2 * aot-compiler.c: mono Ahead of Time compiler
5 * Dietmar Maurer (dietmar@ximian.com)
6 * Zoltan Varga (vargaz@gmail.com)
8 * (C) 2002 Ximian, Inc.
9 * Copyright 2003-2011 Novell, Inc
10 * Copyright 2011 Xamarin Inc (http://www.xamarin.com)
11 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
15 #include <sys/types.h>
35 #include <mono/metadata/abi-details.h>
36 #include <mono/metadata/tabledefs.h>
37 #include <mono/metadata/class.h>
38 #include <mono/metadata/object.h>
39 #include <mono/metadata/tokentype.h>
40 #include <mono/metadata/appdomain.h>
41 #include <mono/metadata/debug-helpers.h>
42 #include <mono/metadata/assembly.h>
43 #include <mono/metadata/metadata-internals.h>
44 #include <mono/metadata/reflection-internals.h>
45 #include <mono/metadata/marshal.h>
46 #include <mono/metadata/gc-internals.h>
47 #include <mono/metadata/mempool-internals.h>
48 #include <mono/metadata/mono-endian.h>
49 #include <mono/metadata/threads-types.h>
50 #include <mono/utils/mono-logger-internals.h>
51 #include <mono/utils/mono-compiler.h>
52 #include <mono/utils/mono-time.h>
53 #include <mono/utils/mono-mmap.h>
54 #include <mono/utils/mono-rand.h>
55 #include <mono/utils/json.h>
56 #include <mono/utils/mono-threads-coop.h>
58 #include "aot-compiler.h"
59 #include "seq-points.h"
60 #include "image-writer.h"
61 #include "dwarfwriter.h"
63 #include "mini-llvm.h"
65 #if !defined(DISABLE_AOT) && !defined(DISABLE_JIT)
67 #if defined(__linux__) || defined(__native_client_codegen__)
68 #define RODATA_SECT ".rodata"
69 #elif defined(TARGET_MACH)
70 #define RODATA_SECT ".section __TEXT, __const"
72 #define RODATA_SECT ".text"
75 #define TV_DECLARE(name) gint64 name
76 #define TV_GETTIME(tv) tv = mono_100ns_ticks ()
77 #define TV_ELAPSED(start,end) (((end) - (start)) / 10)
79 #define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
80 #define ALIGN_PTR_TO(ptr,align) (gpointer)((((gssize)(ptr)) + (align - 1)) & (~(align - 1)))
81 #define ROUND_DOWN(VALUE,SIZE) ((VALUE) & ~((SIZE) - 1))
83 /* predefined values for static readonly fields without needed to run the .cctor */
84 typedef struct _ReadOnlyValue ReadOnlyValue;
85 struct _ReadOnlyValue {
88 int type; /* to be used later for typechecking to prevent user errors */
97 static ReadOnlyValue *readonly_values;
99 typedef struct MonoAotOptions {
104 gboolean write_symbols;
105 gboolean metadata_only;
106 gboolean bind_to_runtime_version;
109 gboolean static_link;
113 gboolean dwarf_debug;
115 gboolean log_generics;
116 gboolean log_instances;
117 gboolean gen_msym_dir;
118 char *gen_msym_dir_path;
119 gboolean direct_pinvoke;
120 gboolean direct_icalls;
121 gboolean no_direct_calls;
122 gboolean use_trampolines_page;
123 gboolean no_instances;
129 int nrgctx_trampolines;
130 int nimt_trampolines;
131 int ngsharedvt_arg_trampolines;
132 int nrgctx_fetch_trampolines;
133 gboolean print_skipped_methods;
140 char *instances_logfile_path;
147 METHOD_CAT_GSHAREDVT,
153 typedef struct MonoAotStats {
154 int ccount, mcount, lmfcount, abscount, gcount, ocount, genericcount;
155 gint64 code_size, info_size, ex_info_size, unwind_info_size, got_size, class_info_size, got_info_size, plt_size;
156 int methods_without_got_slots, direct_calls, all_calls, llvm_count;
157 int got_slots, offsets_size;
158 int method_categories [METHOD_CAT_NUM];
159 int got_slot_types [MONO_PATCH_INFO_NUM];
160 int got_slot_info_sizes [MONO_PATCH_INFO_NUM];
161 int jit_time, gen_time, link_time;
164 typedef struct GotInfo {
165 GHashTable *patch_to_got_offset;
166 GHashTable **patch_to_got_offset_by_type;
167 GPtrArray *got_patches;
170 typedef struct MonoAotCompile {
173 GHashTable *method_indexes;
174 GHashTable *method_depth;
177 GHashTable **patch_to_plt_entry;
178 GHashTable *plt_offset_to_entry;
179 //GHashTable *patch_to_got_offset;
180 //GHashTable **patch_to_got_offset_by_type;
181 //GPtrArray *got_patches;
182 GotInfo got_info, llvm_got_info;
183 GHashTable *image_hash;
184 GHashTable *method_to_cfg;
185 GHashTable *token_info_hash;
186 GHashTable *method_to_pinvoke_import;
187 GPtrArray *extra_methods;
188 GPtrArray *image_table;
190 GPtrArray *method_order;
191 GHashTable *export_names;
192 /* Maps MonoClass* -> blob offset */
193 GHashTable *klass_blob_hash;
194 /* Maps MonoMethod* -> blob offset */
195 GHashTable *method_blob_hash;
196 GHashTable *gsharedvt_in_signatures;
197 GHashTable *gsharedvt_out_signatures;
198 guint32 *plt_got_info_offsets;
199 guint32 got_offset, llvm_got_offset, plt_offset, plt_got_offset_base, nshared_got_entries;
200 /* Number of GOT entries reserved for trampolines */
201 guint32 num_trampoline_got_entries;
202 guint32 tramp_page_size;
204 guint32 table_offsets [MONO_AOT_TABLE_NUM];
205 guint32 num_trampolines [MONO_AOT_TRAMP_NUM];
206 guint32 trampoline_got_offset_base [MONO_AOT_TRAMP_NUM];
207 guint32 trampoline_size [MONO_AOT_TRAMP_NUM];
208 guint32 tramp_page_code_offsets [MONO_AOT_TRAMP_NUM];
210 MonoAotOptions aot_opts;
214 MonoMemPool *mempool;
217 char *static_linking_symbol;
219 gboolean gas_line_numbers;
220 /* Whenever to emit an object file directly from llc */
221 gboolean llvm_owriter;
223 MonoDwarfWriter *dwarf;
230 GHashTable *unwind_info_offsets;
231 GPtrArray *unwind_ops;
232 guint32 unwind_info_offset;
235 char *llvm_got_symbol;
237 char *llvm_eh_frame_symbol;
238 GHashTable *method_label_hash;
239 const char *temp_prefix;
240 const char *user_symbol_prefix;
241 const char *llvm_label_prefix;
242 const char *inst_directive;
244 guint32 label_generator;
246 gboolean has_jitted_code;
247 MonoAotFileFlags flags;
248 MonoDynamicStream blob;
249 gboolean blob_closed;
250 GHashTable *typespec_classes;
253 char *assembly_name_sym;
254 GHashTable *plt_entry_debug_sym_cache;
255 gboolean thumb_mixed, need_no_dead_strip, need_pt_gnu_stack;
256 GHashTable *ginst_hash;
257 GHashTable *dwarf_ln_filenames;
258 gboolean global_symbols;
259 int objc_selector_index, objc_selector_index_2;
260 GPtrArray *objc_selectors;
261 GHashTable *objc_selector_to_index;
263 FILE *instances_logfile;
271 char *symbol, *llvm_symbol, *debug_sym;
273 gboolean jit_used, llvm_used;
276 #define mono_acfg_lock(acfg) mono_os_mutex_lock (&((acfg)->mutex))
277 #define mono_acfg_unlock(acfg) mono_os_mutex_unlock (&((acfg)->mutex))
279 /* This points to the current acfg in LLVM mode */
280 static MonoAotCompile *llvm_acfg;
282 #ifdef HAVE_ARRAY_ELEM_INIT
283 #define MSGSTRFIELD(line) MSGSTRFIELD1(line)
284 #define MSGSTRFIELD1(line) str##line
285 static const struct msgstr_t {
286 #define PATCH_INFO(a,b) char MSGSTRFIELD(__LINE__) [sizeof (b)];
287 #include "patch-info.h"
290 #define PATCH_INFO(a,b) b,
291 #include "patch-info.h"
294 static const gint16 opidx [] = {
295 #define PATCH_INFO(a,b) [MONO_PATCH_INFO_ ## a] = offsetof (struct msgstr_t, MSGSTRFIELD(__LINE__)),
296 #include "patch-info.h"
300 static G_GNUC_UNUSED const char*
301 get_patch_name (int info)
303 return (const char*)&opstr + opidx [info];
307 #define PATCH_INFO(a,b) b,
308 static const char* const
309 patch_types [MONO_PATCH_INFO_NUM + 1] = {
310 #include "patch-info.h"
314 static G_GNUC_UNUSED const char*
315 get_patch_name (int info)
317 return patch_types [info];
323 get_unwind_info_offset (MonoAotCompile *acfg, guint8 *encoded, guint32 encoded_len);
326 get_plt_entry_debug_sym (MonoAotCompile *acfg, MonoJumpInfo *ji, GHashTable *cache);
329 aot_printf (MonoAotCompile *acfg, const gchar *format, ...)
335 output = acfg->logfile;
339 va_start (args, format);
340 vfprintf (output, format, args);
345 aot_printerrf (MonoAotCompile *acfg, const gchar *format, ...)
351 output = acfg->logfile;
355 va_start (args, format);
356 vfprintf (output, format, args);
361 report_loader_error (MonoAotCompile *acfg, MonoError *error, const char *format, ...)
366 if (mono_error_ok (error))
370 output = acfg->logfile;
374 va_start (args, format);
375 vfprintf (output, format, args);
377 mono_error_cleanup (error);
379 g_error ("FullAOT cannot continue if there are loader errors");
382 /* Wrappers around the image writer functions */
384 #define MAX_SYMBOL_SIZE 256
386 static inline const char *
387 mangle_symbol (const char * symbol, char * mangled_symbol, gsize length)
389 gsize needed_size = length;
391 g_assert (NULL != symbol);
392 g_assert (NULL != mangled_symbol);
393 g_assert (0 != length);
395 #if defined(TARGET_WIN32) && defined(TARGET_X86)
396 if (symbol && '_' != symbol [0]) {
397 needed_size = g_snprintf (mangled_symbol, length, "_%s", symbol);
399 needed_size = g_snprintf (mangled_symbol, length, "%s", symbol);
402 needed_size = g_snprintf (mangled_symbol, length, "%s", symbol);
405 g_assert (0 <= needed_size && needed_size < length);
406 return mangled_symbol;
410 mangle_symbol_alloc (const char * symbol)
412 g_assert (NULL != symbol);
414 #if defined(TARGET_WIN32) && defined(TARGET_X86)
415 if (symbol && '_' != symbol [0]) {
416 return g_strdup_printf ("_%s", symbol);
419 return g_strdup_printf ("%s", symbol);
422 return g_strdup_printf ("%s", symbol);
427 emit_section_change (MonoAotCompile *acfg, const char *section_name, int subsection_index)
429 mono_img_writer_emit_section_change (acfg->w, section_name, subsection_index);
432 #if defined(TARGET_WIN32) && defined(TARGET_X86)
435 emit_local_symbol (MonoAotCompile *acfg, const char *name, const char *end_label, gboolean func)
437 const char * mangled_symbol_name = name;
438 char * mangled_symbol_name_alloc = NULL;
441 mangled_symbol_name_alloc = mangle_symbol_alloc (name);
442 mangled_symbol_name = mangled_symbol_name_alloc;
445 if (name != mangled_symbol_name && 0 != g_strcasecmp (name, mangled_symbol_name)) {
446 mono_img_writer_emit_label (acfg->w, mangled_symbol_name);
448 mono_img_writer_emit_local_symbol (acfg->w, mangled_symbol_name, end_label, func);
450 if (NULL != mangled_symbol_name_alloc) {
451 g_free (mangled_symbol_name_alloc);
458 emit_local_symbol (MonoAotCompile *acfg, const char *name, const char *end_label, gboolean func)
460 mono_img_writer_emit_local_symbol (acfg->w, name, end_label, func);
466 emit_label (MonoAotCompile *acfg, const char *name)
468 mono_img_writer_emit_label (acfg->w, name);
472 emit_bytes (MonoAotCompile *acfg, const guint8* buf, int size)
474 mono_img_writer_emit_bytes (acfg->w, buf, size);
478 emit_string (MonoAotCompile *acfg, const char *value)
480 mono_img_writer_emit_string (acfg->w, value);
484 emit_line (MonoAotCompile *acfg)
486 mono_img_writer_emit_line (acfg->w);
490 emit_alignment (MonoAotCompile *acfg, int size)
492 mono_img_writer_emit_alignment (acfg->w, size);
496 emit_alignment_code (MonoAotCompile *acfg, int size)
498 if (acfg->align_pad_value)
499 mono_img_writer_emit_alignment_fill (acfg->w, size, acfg->align_pad_value);
501 mono_img_writer_emit_alignment (acfg->w, size);
505 emit_padding (MonoAotCompile *acfg, int size)
510 if (acfg->align_pad_value) {
511 for (i = 0; i < 16; ++i)
512 buf [i] = acfg->align_pad_value;
514 memset (buf, 0, sizeof (buf));
517 for (i = 0; i < size; i += 16) {
519 emit_bytes (acfg, buf, size - i);
521 emit_bytes (acfg, buf, 16);
526 emit_pointer (MonoAotCompile *acfg, const char *target)
528 mono_img_writer_emit_pointer (acfg->w, target);
532 emit_pointer_2 (MonoAotCompile *acfg, const char *prefix, const char *target)
534 if (prefix [0] != '\0') {
535 char *s = g_strdup_printf ("%s%s", prefix, target);
536 mono_img_writer_emit_pointer (acfg->w, s);
539 mono_img_writer_emit_pointer (acfg->w, target);
544 emit_int16 (MonoAotCompile *acfg, int value)
546 mono_img_writer_emit_int16 (acfg->w, value);
550 emit_int32 (MonoAotCompile *acfg, int value)
552 mono_img_writer_emit_int32 (acfg->w, value);
556 emit_symbol_diff (MonoAotCompile *acfg, const char *end, const char* start, int offset)
558 mono_img_writer_emit_symbol_diff (acfg->w, end, start, offset);
562 emit_zero_bytes (MonoAotCompile *acfg, int num)
564 mono_img_writer_emit_zero_bytes (acfg->w, num);
568 emit_byte (MonoAotCompile *acfg, guint8 val)
570 mono_img_writer_emit_byte (acfg->w, val);
573 #if defined(TARGET_WIN32) && defined(TARGET_X86)
575 static G_GNUC_UNUSED void
576 emit_global_inner (MonoAotCompile *acfg, const char *name, gboolean func)
578 const char * mangled_symbol_name = name;
579 char * mangled_symbol_name_alloc = NULL;
581 mangled_symbol_name_alloc = mangle_symbol_alloc (name);
582 mangled_symbol_name = mangled_symbol_name_alloc;
584 if (0 != g_strcasecmp (name, mangled_symbol_name)) {
585 mono_img_writer_emit_label (acfg->w, mangled_symbol_name);
587 mono_img_writer_emit_global (acfg->w, mangled_symbol_name, func);
589 if (NULL != mangled_symbol_name_alloc) {
590 g_free (mangled_symbol_name_alloc);
596 static G_GNUC_UNUSED void
597 emit_global_inner (MonoAotCompile *acfg, const char *name, gboolean func)
599 mono_img_writer_emit_global (acfg->w, name, func);
605 emit_global (MonoAotCompile *acfg, const char *name, gboolean func)
607 if (acfg->aot_opts.no_dlsym) {
608 g_ptr_array_add (acfg->globals, g_strdup (name));
609 mono_img_writer_emit_local_symbol (acfg->w, name, NULL, func);
611 emit_global_inner (acfg, name, func);
616 emit_symbol_size (MonoAotCompile *acfg, const char *name, const char *end_label)
618 mono_img_writer_emit_symbol_size (acfg->w, name, end_label);
621 /* Emit a symbol which is referenced by the MonoAotFileInfo structure */
623 emit_info_symbol (MonoAotCompile *acfg, const char *name)
625 char symbol [MAX_SYMBOL_SIZE];
628 emit_label (acfg, name);
629 /* LLVM generated code references this */
630 sprintf (symbol, "%s%s%s", acfg->user_symbol_prefix, acfg->global_prefix, name);
631 emit_label (acfg, symbol);
632 emit_global_inner (acfg, symbol, FALSE);
634 emit_label (acfg, name);
639 emit_string_symbol (MonoAotCompile *acfg, const char *name, const char *value)
642 mono_llvm_emit_aot_data (name, (guint8*)value, strlen (value) + 1);
646 mono_img_writer_emit_section_change (acfg->w, RODATA_SECT, 1);
648 /* On apple, all symbols need to be aligned to avoid warnings from ld */
649 emit_alignment (acfg, 4);
651 mono_img_writer_emit_label (acfg->w, name);
652 mono_img_writer_emit_string (acfg->w, value);
655 static G_GNUC_UNUSED void
656 emit_uleb128 (MonoAotCompile *acfg, guint32 value)
659 guint8 b = value & 0x7f;
661 if (value != 0) /* more bytes to come */
667 static G_GNUC_UNUSED void
668 emit_sleb128 (MonoAotCompile *acfg, gint64 value)
671 gboolean negative = (value < 0);
678 /* the following is unnecessary if the
679 * implementation of >>= uses an arithmetic rather
680 * than logical shift for a signed left operand
684 value |= - ((gint64)1 <<(size - 7));
685 /* sign bit of byte is second high order bit (0x40) */
686 if ((value == 0 && !(byte & 0x40)) ||
687 (value == -1 && (byte & 0x40)))
691 emit_byte (acfg, byte);
695 static G_GNUC_UNUSED void
696 encode_uleb128 (guint32 value, guint8 *buf, guint8 **endbuf)
701 guint8 b = value & 0x7f;
703 if (value != 0) /* more bytes to come */
711 static G_GNUC_UNUSED void
712 encode_sleb128 (gint32 value, guint8 *buf, guint8 **endbuf)
715 gboolean negative = (value < 0);
723 /* the following is unnecessary if the
724 * implementation of >>= uses an arithmetic rather
725 * than logical shift for a signed left operand
729 value |= - (1 <<(size - 7));
730 /* sign bit of byte is second high order bit (0x40) */
731 if ((value == 0 && !(byte & 0x40)) ||
732 (value == -1 && (byte & 0x40)))
743 encode_int (gint32 val, guint8 *buf, guint8 **endbuf)
746 buf [0] = (val >> 0) & 0xff;
747 buf [1] = (val >> 8) & 0xff;
748 buf [2] = (val >> 16) & 0xff;
749 buf [3] = (val >> 24) & 0xff;
755 encode_int16 (guint16 val, guint8 *buf, guint8 **endbuf)
757 buf [0] = (val >> 0) & 0xff;
758 buf [1] = (val >> 8) & 0xff;
764 encode_string (const char *s, guint8 *buf, guint8 **endbuf)
766 int len = strlen (s);
768 memcpy (buf, s, len + 1);
769 *endbuf = buf + len + 1;
773 emit_unset_mode (MonoAotCompile *acfg)
775 mono_img_writer_emit_unset_mode (acfg->w);
778 static G_GNUC_UNUSED void
779 emit_set_thumb_mode (MonoAotCompile *acfg)
781 emit_unset_mode (acfg);
782 fprintf (acfg->fp, ".code 16\n");
785 static G_GNUC_UNUSED void
786 emit_set_arm_mode (MonoAotCompile *acfg)
788 emit_unset_mode (acfg);
789 fprintf (acfg->fp, ".code 32\n");
793 emit_code_bytes (MonoAotCompile *acfg, const guint8* buf, int size)
798 g_assert (size % 4 == 0);
799 emit_unset_mode (acfg);
800 for (i = 0; i < size; i += 4)
801 fprintf (acfg->fp, "%s 0x%x\n", acfg->inst_directive, *(guint32*)(buf + i));
803 emit_bytes (acfg, buf, size);
807 /* ARCHITECTURE SPECIFIC CODE */
809 #if defined(TARGET_X86) || defined(TARGET_AMD64) || defined(TARGET_ARM) || defined(TARGET_POWERPC) || defined(TARGET_ARM64)
810 #define EMIT_DWARF_INFO 1
813 #if defined(TARGET_ARM)
814 #define AOT_FUNC_ALIGNMENT 4
816 #define AOT_FUNC_ALIGNMENT 16
819 #if defined(TARGET_POWERPC64) && !defined(__mono_ilp32__)
820 #define PPC_LD_OP "ld"
821 #define PPC_LDX_OP "ldx"
823 #define PPC_LD_OP "lwz"
824 #define PPC_LDX_OP "lwzx"
828 #define AOT_TARGET_STR "AMD64"
833 #define AOT_TARGET_STR "ARM (MACH)"
835 #define AOT_TARGET_STR "ARM (!MACH)"
841 #define AOT_TARGET_STR "ARM64 (MACH)"
843 #define AOT_TARGET_STR "ARM64 (!MACH)"
847 #ifdef TARGET_POWERPC64
848 #ifdef __mono_ilp32__
849 #define AOT_TARGET_STR "POWERPC64 (mono ilp32)"
851 #define AOT_TARGET_STR "POWERPC64 (!mono ilp32)"
854 #ifdef TARGET_POWERPC
855 #ifdef __mono_ilp32__
856 #define AOT_TARGET_STR "POWERPC (mono ilp32)"
858 #define AOT_TARGET_STR "POWERPC (!mono ilp32)"
865 #define AOT_TARGET_STR "X86 (WIN32)"
866 #elif defined(__native_client_codegen__)
867 #define AOT_TARGET_STR "X86 (native client codegen)"
869 #define AOT_TARGET_STR "X86 (!native client codegen)"
873 #ifndef AOT_TARGET_STR
874 #define AOT_TARGET_STR ""
878 arch_init (MonoAotCompile *acfg)
880 acfg->llc_args = g_string_new ("");
881 acfg->as_args = g_string_new ("");
884 * The prefix LLVM likes to put in front of symbol names on darwin.
885 * The mach-os specs require this for globals, but LLVM puts them in front of all
886 * symbols. We need to handle this, since we need to refer to LLVM generated
889 acfg->llvm_label_prefix = "";
890 acfg->user_symbol_prefix = "";
892 #if defined(TARGET_X86)
893 g_string_append (acfg->llc_args, " -march=x86 -mattr=sse4.1");
896 #if defined(TARGET_AMD64)
897 g_string_append (acfg->llc_args, " -march=x86-64 -mattr=sse4.1");
899 acfg->align_pad_value = 0x90;
903 if (acfg->aot_opts.mtriple && strstr (acfg->aot_opts.mtriple, "darwin")) {
904 g_string_append (acfg->llc_args, "-mattr=+v6");
906 #if defined(ARM_FPU_VFP_HARD)
907 g_string_append (acfg->llc_args, " -mattr=+vfp2,-neon,+d16 -float-abi=hard");
908 g_string_append (acfg->as_args, " -mfpu=vfp3");
909 #elif defined(ARM_FPU_VFP)
910 g_string_append (acfg->llc_args, " -mattr=+vfp2,-neon,+d16");
911 g_string_append (acfg->as_args, " -mfpu=vfp3");
913 g_string_append (acfg->llc_args, " -soft-float");
916 if (acfg->aot_opts.mtriple && strstr (acfg->aot_opts.mtriple, "thumb"))
917 acfg->thumb_mixed = TRUE;
919 if (acfg->aot_opts.mtriple)
920 mono_arch_set_target (acfg->aot_opts.mtriple);
924 acfg->inst_directive = ".inst";
925 if (acfg->aot_opts.mtriple)
926 mono_arch_set_target (acfg->aot_opts.mtriple);
930 acfg->user_symbol_prefix = "_";
931 acfg->llvm_label_prefix = "_";
932 acfg->inst_directive = ".word";
933 acfg->need_no_dead_strip = TRUE;
934 acfg->aot_opts.gnu_asm = TRUE;
937 #if defined(__linux__) && !defined(TARGET_ARM)
938 acfg->need_pt_gnu_stack = TRUE;
942 acfg->global_symbols = TRUE;
949 /* Load the contents of GOT_SLOT into dreg, clobbering ip0 */
951 arm64_emit_load_got_slot (MonoAotCompile *acfg, int dreg, int got_slot)
956 emit_unset_mode (acfg);
958 offset = (int)(got_slot * sizeof (gpointer));
960 /* clang's integrated assembler */
961 fprintf (acfg->fp, "adrp x16, %s@PAGE+%d\n", acfg->got_symbol, offset & 0xfffff000);
962 fprintf (acfg->fp, "add x16, x16, %s@PAGEOFF\n", acfg->got_symbol);
963 fprintf (acfg->fp, "ldr x%d, [x16, #%d]\n", dreg, offset & 0xfff);
966 fprintf (acfg->fp, "adrp x16, %s+%d\n", acfg->got_symbol, offset & 0xfffff000);
967 fprintf (acfg->fp, "add x16, x16, :lo12:%s\n", acfg->got_symbol);
968 fprintf (acfg->fp, "ldr x%d, [x16, %d]\n", dreg, offset & 0xfff);
973 arm64_emit_objc_selector_ref (MonoAotCompile *acfg, guint8 *code, int index, int *code_size)
978 emit_unset_mode (acfg);
981 reg = arm_get_ldr_lit_reg (code);
983 fprintf (acfg->fp, "adrp x%d, L_OBJC_SELECTOR_REFERENCES_%d@PAGE\n", reg, index);
984 fprintf (acfg->fp, "add x%d, x%d, L_OBJC_SELECTOR_REFERENCES_%d@PAGEOFF\n", reg, reg, index);
985 fprintf (acfg->fp, "ldr x%d, [x%d]\n", reg, reg);
991 arm64_emit_direct_call (MonoAotCompile *acfg, const char *target, gboolean external, gboolean thumb, MonoJumpInfo *ji, int *call_size)
994 emit_unset_mode (acfg);
995 if (ji && ji->relocation == MONO_R_ARM64_B) {
996 fprintf (acfg->fp, "b %s\n", target);
999 g_assert (ji->relocation == MONO_R_ARM64_BL);
1000 fprintf (acfg->fp, "bl %s\n", target);
1006 arm64_emit_got_access (MonoAotCompile *acfg, guint8 *code, int got_slot, int *code_size)
1010 /* ldr rt, target */
1011 reg = arm_get_ldr_lit_reg (code);
1012 arm64_emit_load_got_slot (acfg, reg, got_slot);
1017 arm64_emit_plt_entry (MonoAotCompile *acfg, const char *got_symbol, int offset, int info_offset)
1019 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset / sizeof (gpointer));
1020 fprintf (acfg->fp, "br x16\n");
1021 /* Used by mono_aot_get_plt_info_offset () */
1022 fprintf (acfg->fp, "%s %d\n", acfg->inst_directive, info_offset);
1026 arm64_emit_tramp_page_common_code (MonoAotCompile *acfg, int pagesize, int arg_reg, int *size)
1032 /* The common code */
1035 /* The trampoline address is in IP0 */
1036 arm_movzx (code, ARMREG_IP1, imm & 0xffff, 0);
1037 arm_movkx (code, ARMREG_IP1, (imm >> 16) & 0xffff, 16);
1038 /* Compute the data slot address */
1039 arm_subx (code, ARMREG_IP0, ARMREG_IP0, ARMREG_IP1);
1040 /* Trampoline argument */
1041 arm_ldrx (code, arg_reg, ARMREG_IP0, 0);
1043 arm_ldrx (code, ARMREG_IP0, ARMREG_IP0, 8);
1044 arm_brx (code, ARMREG_IP0);
1047 emit_code_bytes (acfg, buf, code - buf);
1053 arm64_emit_tramp_page_specific_code (MonoAotCompile *acfg, int pagesize, int common_tramp_size, int specific_tramp_size)
1059 count = (pagesize - common_tramp_size) / specific_tramp_size;
1060 for (i = 0; i < count; ++i) {
1062 arm_adrx (code, ARMREG_IP0, code);
1063 /* Branch to the generic code */
1064 arm_b (code, code - 4 - (i * specific_tramp_size) - common_tramp_size);
1065 /* This has to be 2 pointers long */
1068 g_assert (code - buf == specific_tramp_size);
1069 emit_code_bytes (acfg, buf, code - buf);
1074 arm64_emit_specific_trampoline_pages (MonoAotCompile *acfg)
1078 guint8 *labels [16];
1079 int common_tramp_size;
1080 int specific_tramp_size = 2 * 8;
1084 if (!acfg->aot_opts.use_trampolines_page)
1088 /* Have to match the target pagesize */
1091 pagesize = mono_pagesize ();
1093 acfg->tramp_page_size = pagesize;
1095 /* The specific trampolines */
1096 sprintf (symbol, "%sspecific_trampolines_page", acfg->user_symbol_prefix);
1097 emit_alignment (acfg, pagesize);
1098 emit_global (acfg, symbol, TRUE);
1099 emit_label (acfg, symbol);
1101 /* The common code */
1102 arm64_emit_tramp_page_common_code (acfg, pagesize, ARMREG_IP1, &common_tramp_size);
1103 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_SPECIFIC] = common_tramp_size;
1105 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1107 /* The rgctx trampolines */
1108 /* These are the same as the specific trampolines, but they load the argument into MONO_ARCH_RGCTX_REG */
1109 sprintf (symbol, "%srgctx_trampolines_page", acfg->user_symbol_prefix);
1110 emit_alignment (acfg, pagesize);
1111 emit_global (acfg, symbol, TRUE);
1112 emit_label (acfg, symbol);
1114 /* The common code */
1115 arm64_emit_tramp_page_common_code (acfg, pagesize, MONO_ARCH_RGCTX_REG, &common_tramp_size);
1116 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_STATIC_RGCTX] = common_tramp_size;
1118 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1120 /* The gsharedvt arg trampolines */
1121 /* These are the same as the specific trampolines */
1122 sprintf (symbol, "%sgsharedvt_arg_trampolines_page", acfg->user_symbol_prefix);
1123 emit_alignment (acfg, pagesize);
1124 emit_global (acfg, symbol, TRUE);
1125 emit_label (acfg, symbol);
1127 arm64_emit_tramp_page_common_code (acfg, pagesize, ARMREG_IP1, &common_tramp_size);
1128 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_GSHAREDVT_ARG] = common_tramp_size;
1130 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1132 /* The IMT trampolines */
1133 sprintf (symbol, "%simt_trampolines_page", acfg->user_symbol_prefix);
1134 emit_alignment (acfg, pagesize);
1135 emit_global (acfg, symbol, TRUE);
1136 emit_label (acfg, symbol);
1140 /* The trampoline address is in IP0 */
1141 arm_movzx (code, ARMREG_IP1, imm & 0xffff, 0);
1142 arm_movkx (code, ARMREG_IP1, (imm >> 16) & 0xffff, 16);
1143 /* Compute the data slot address */
1144 arm_subx (code, ARMREG_IP0, ARMREG_IP0, ARMREG_IP1);
1145 /* Trampoline argument */
1146 arm_ldrx (code, ARMREG_IP1, ARMREG_IP0, 0);
1148 /* Same as arch_emit_imt_thunk () */
1150 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 0);
1151 arm_cmpx (code, ARMREG_IP0, MONO_ARCH_RGCTX_REG);
1153 arm_bcc (code, ARMCOND_EQ, 0);
1155 /* End-of-loop check */
1157 arm_cbzx (code, ARMREG_IP0, 0);
1160 arm_addx_imm (code, ARMREG_IP1, ARMREG_IP1, 2 * 8);
1161 arm_b (code, labels [0]);
1164 mono_arm_patch (labels [1], code, MONO_R_ARM64_BCC);
1165 /* Load vtable slot addr */
1166 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1167 /* Load vtable slot */
1168 arm_ldrx (code, ARMREG_IP0, ARMREG_IP0, 0);
1169 arm_brx (code, ARMREG_IP0);
1172 mono_arm_patch (labels [2], code, MONO_R_ARM64_CBZ);
1173 /* Load fail addr */
1174 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1175 arm_brx (code, ARMREG_IP0);
1177 emit_code_bytes (acfg, buf, code - buf);
1179 common_tramp_size = code - buf;
1180 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_IMT_THUNK] = common_tramp_size;
1182 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1186 arm64_emit_specific_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1188 /* Load argument from second GOT slot */
1189 arm64_emit_load_got_slot (acfg, ARMREG_R17, offset + 1);
1190 /* Load generic trampoline address from first GOT slot */
1191 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset);
1192 fprintf (acfg->fp, "br x16\n");
1193 *tramp_size = 7 * 4;
1197 arm64_emit_unbox_trampoline (MonoAotCompile *acfg, MonoCompile *cfg, MonoMethod *method, const char *call_target)
1199 emit_unset_mode (acfg);
1200 fprintf (acfg->fp, "add x0, x0, %d\n", (int)(sizeof (MonoObject)));
1201 fprintf (acfg->fp, "b %s\n", call_target);
1205 arm64_emit_static_rgctx_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1207 /* Similar to the specific trampolines, but use the rgctx reg instead of ip1 */
1209 /* Load argument from first GOT slot */
1210 arm64_emit_load_got_slot (acfg, MONO_ARCH_RGCTX_REG, offset);
1211 /* Load generic trampoline address from second GOT slot */
1212 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset + 1);
1213 fprintf (acfg->fp, "br x16\n");
1214 *tramp_size = 7 * 4;
1218 arm64_emit_imt_thunk (MonoAotCompile *acfg, int offset, int *tramp_size)
1221 guint8 *code, *labels [16];
1223 /* Load parameter from GOT slot into ip1 */
1224 arm64_emit_load_got_slot (acfg, ARMREG_R17, offset);
1228 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 0);
1229 arm_cmpx (code, ARMREG_IP0, MONO_ARCH_RGCTX_REG);
1231 arm_bcc (code, ARMCOND_EQ, 0);
1233 /* End-of-loop check */
1235 arm_cbzx (code, ARMREG_IP0, 0);
1238 arm_addx_imm (code, ARMREG_IP1, ARMREG_IP1, 2 * 8);
1239 arm_b (code, labels [0]);
1242 mono_arm_patch (labels [1], code, MONO_R_ARM64_BCC);
1243 /* Load vtable slot addr */
1244 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1245 /* Load vtable slot */
1246 arm_ldrx (code, ARMREG_IP0, ARMREG_IP0, 0);
1247 arm_brx (code, ARMREG_IP0);
1250 mono_arm_patch (labels [2], code, MONO_R_ARM64_CBZ);
1251 /* Load fail addr */
1252 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1253 arm_brx (code, ARMREG_IP0);
1255 emit_code_bytes (acfg, buf, code - buf);
1257 *tramp_size = code - buf + (3 * 4);
1261 arm64_emit_gsharedvt_arg_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1263 /* Similar to the specific trampolines, but the address is in the second slot */
1264 /* Load argument from first GOT slot */
1265 arm64_emit_load_got_slot (acfg, ARMREG_R17, offset);
1266 /* Load generic trampoline address from second GOT slot */
1267 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset + 1);
1268 fprintf (acfg->fp, "br x16\n");
1269 *tramp_size = 7 * 4;
1275 #ifdef MONO_ARCH_AOT_SUPPORTED
1277 * arch_emit_direct_call:
1279 * Emit a direct call to the symbol TARGET. CALL_SIZE is set to the size of the
1283 arch_emit_direct_call (MonoAotCompile *acfg, const char *target, gboolean external, gboolean thumb, MonoJumpInfo *ji, int *call_size)
1285 #if defined(TARGET_X86) || defined(TARGET_AMD64)
1286 /* Need to make sure this is exactly 5 bytes long */
1287 emit_unset_mode (acfg);
1288 fprintf (acfg->fp, "call %s\n", target);
1290 #elif defined(TARGET_ARM)
1291 emit_unset_mode (acfg);
1293 fprintf (acfg->fp, "blx %s\n", target);
1295 fprintf (acfg->fp, "bl %s\n", target);
1297 #elif defined(TARGET_ARM64)
1298 arm64_emit_direct_call (acfg, target, external, thumb, ji, call_size);
1299 #elif defined(TARGET_POWERPC)
1300 emit_unset_mode (acfg);
1301 fprintf (acfg->fp, "bl %s\n", target);
1304 g_assert_not_reached ();
1311 * - we use an approach similar to the x86 abi: reserve a register (r30) to hold
1313 * - The full-aot trampolines need access to the GOT of mscorlib, so we store
1314 * in in the 2. slot of every GOT, and require every method to place the GOT
1315 * address in r30, even when it doesn't access the GOT otherwise. This way,
1316 * the trampolines can compute the mscorlib GOT address by loading 4(r30).
1321 * PPC64 uses function descriptors which greatly complicate all code, since
1322 * these are used very inconsistently in the runtime. Some functions like
1323 * mono_compile_method () return ftn descriptors, while others like the
1324 * trampoline creation functions do not.
1325 * We assume that all GOT slots contain function descriptors, and create
1326 * descriptors in aot-runtime.c when needed.
1327 * The ppc64 abi uses r2 to hold the address of the TOC/GOT, which is loaded
1328 * from function descriptors, we could do the same, but it would require
1329 * rewriting all the ppc/aot code to handle function descriptors properly.
1330 * So instead, we use the same approach as on PPC32.
1331 * This is a horrible mess, but fixing it would probably lead to an even bigger
1337 * - similar to the PPC32 design, we reserve EBX to hold the GOT pointer.
1340 #ifdef MONO_ARCH_AOT_SUPPORTED
1342 * arch_emit_got_offset:
1344 * The memory pointed to by CODE should hold native code for computing the GOT
1345 * address (OP_LOAD_GOTADDR). Emit this code while patching it with the offset
1346 * between code and the GOT. CODE_SIZE is set to the number of bytes emitted.
1349 arch_emit_got_offset (MonoAotCompile *acfg, guint8 *code, int *code_size)
1351 #if defined(TARGET_POWERPC64)
1352 emit_unset_mode (acfg);
1354 * The ppc32 code doesn't seem to work on ppc64, the assembler complains about
1355 * unsupported relocations. So we store the got address into the .Lgot_addr
1356 * symbol which is in the text segment, compute its address, and load it.
1358 fprintf (acfg->fp, ".L%d:\n", acfg->label_generator);
1359 fprintf (acfg->fp, "lis 0, (.Lgot_addr + 4 - .L%d)@h\n", acfg->label_generator);
1360 fprintf (acfg->fp, "ori 0, 0, (.Lgot_addr + 4 - .L%d)@l\n", acfg->label_generator);
1361 fprintf (acfg->fp, "add 30, 30, 0\n");
1362 fprintf (acfg->fp, "%s 30, 0(30)\n", PPC_LD_OP);
1363 acfg->label_generator ++;
1365 #elif defined(TARGET_POWERPC)
1366 emit_unset_mode (acfg);
1367 fprintf (acfg->fp, ".L%d:\n", acfg->label_generator);
1368 fprintf (acfg->fp, "lis 0, (%s + 4 - .L%d)@h\n", acfg->got_symbol, acfg->label_generator);
1369 fprintf (acfg->fp, "ori 0, 0, (%s + 4 - .L%d)@l\n", acfg->got_symbol, acfg->label_generator);
1370 acfg->label_generator ++;
1373 guint32 offset = mono_arch_get_patch_offset (code);
1374 emit_bytes (acfg, code, offset);
1375 emit_symbol_diff (acfg, acfg->got_symbol, ".", offset);
1377 *code_size = offset + 4;
1382 * arch_emit_got_access:
1384 * The memory pointed to by CODE should hold native code for loading a GOT
1385 * slot (OP_AOTCONST/OP_GOT_ENTRY). Emit this code while patching it so it accesses the
1386 * GOT slot GOT_SLOT. CODE_SIZE is set to the number of bytes emitted.
1389 arch_emit_got_access (MonoAotCompile *acfg, const char *got_symbol, guint8 *code, int got_slot, int *code_size)
1392 /* mov reg, got+offset(%rip) */
1394 /* The GOT symbol is in the LLVM module, the clang assembler has problems emitting symbol diffs for it */
1398 /* Decode reg, see amd64_mov_reg_membase () */
1399 rex_r = code [0] & AMD64_REX_R;
1400 g_assert (code [0] == 0x49 + rex_r);
1401 g_assert (code [1] == 0x8b);
1402 dreg = ((code [2] >> 3) & 0x7) + (rex_r ? 8 : 0);
1404 emit_unset_mode (acfg);
1405 fprintf (acfg->fp, "mov %s+%d(%%rip), %s\n", got_symbol, (unsigned int) ((got_slot * sizeof (gpointer))), mono_arch_regname (dreg));
1408 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1409 emit_symbol_diff (acfg, got_symbol, ".", (unsigned int) ((got_slot * sizeof (gpointer)) - 4));
1410 *code_size = mono_arch_get_patch_offset (code) + 4;
1412 #elif defined(TARGET_X86)
1413 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1414 emit_int32 (acfg, (unsigned int) ((got_slot * sizeof (gpointer))));
1415 *code_size = mono_arch_get_patch_offset (code) + 4;
1416 #elif defined(TARGET_ARM)
1417 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1418 emit_symbol_diff (acfg, got_symbol, ".", (unsigned int) ((got_slot * sizeof (gpointer))) - 12);
1419 *code_size = mono_arch_get_patch_offset (code) + 4;
1420 #elif defined(TARGET_ARM64)
1421 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1422 arm64_emit_got_access (acfg, code, got_slot, code_size);
1423 #elif defined(TARGET_POWERPC)
1428 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1430 ppc_load32 (code, ppc_r0, got_slot * sizeof (gpointer));
1431 g_assert (code - buf == 8);
1432 emit_bytes (acfg, buf, code - buf);
1433 *code_size = code - buf;
1436 g_assert_not_reached ();
1442 #ifdef MONO_ARCH_AOT_SUPPORTED
1444 * arch_emit_objc_selector_ref:
1446 * Emit the implementation of OP_OBJC_GET_SELECTOR, which itself implements @selector(foo:) in objective-c.
1449 arch_emit_objc_selector_ref (MonoAotCompile *acfg, guint8 *code, int index, int *code_size)
1451 #if defined(TARGET_ARM)
1452 char symbol1 [MAX_SYMBOL_SIZE];
1453 char symbol2 [MAX_SYMBOL_SIZE];
1454 int lindex = acfg->objc_selector_index_2 ++;
1456 /* Emit ldr.imm/b */
1457 emit_bytes (acfg, code, 8);
1459 sprintf (symbol1, "L_OBJC_SELECTOR_%d", lindex);
1460 sprintf (symbol2, "L_OBJC_SELECTOR_REFERENCES_%d", index);
1462 emit_label (acfg, symbol1);
1463 mono_img_writer_emit_unset_mode (acfg->w);
1464 fprintf (acfg->fp, ".long %s-(%s+12)", symbol2, symbol1);
1467 #elif defined(TARGET_ARM64)
1468 arm64_emit_objc_selector_ref (acfg, code, index, code_size);
1470 g_assert_not_reached ();
1476 * arch_emit_plt_entry:
1478 * Emit code for the PLT entry.
1479 * The plt entry should look like this:
1480 * <indirect jump to GOT_SYMBOL + OFFSET>
1481 * <INFO_OFFSET embedded into the instruction stream>
1484 arch_emit_plt_entry (MonoAotCompile *acfg, const char *got_symbol, int offset, int info_offset)
1486 #if defined(TARGET_X86)
1487 /* jmp *<offset>(%ebx) */
1488 emit_byte (acfg, 0xff);
1489 emit_byte (acfg, 0xa3);
1490 emit_int32 (acfg, offset);
1491 /* Used by mono_aot_get_plt_info_offset */
1492 emit_int32 (acfg, info_offset);
1493 #elif defined(TARGET_AMD64)
1494 emit_unset_mode (acfg);
1495 fprintf (acfg->fp, "jmp *%s+%d(%%rip)\n", got_symbol, offset);
1496 /* Used by mono_aot_get_plt_info_offset */
1497 emit_int32 (acfg, info_offset);
1498 acfg->stats.plt_size += 10;
1499 #elif defined(TARGET_ARM)
1504 ARM_LDR_IMM (code, ARMREG_IP, ARMREG_PC, 0);
1505 ARM_LDR_REG_REG (code, ARMREG_PC, ARMREG_PC, ARMREG_IP);
1506 emit_bytes (acfg, buf, code - buf);
1507 emit_symbol_diff (acfg, got_symbol, ".", offset - 4);
1508 /* Used by mono_aot_get_plt_info_offset */
1509 emit_int32 (acfg, info_offset);
1510 #elif defined(TARGET_ARM64)
1511 arm64_emit_plt_entry (acfg, got_symbol, offset, info_offset);
1512 #elif defined(TARGET_POWERPC)
1513 /* The GOT address is guaranteed to be in r30 by OP_LOAD_GOTADDR */
1514 emit_unset_mode (acfg);
1515 fprintf (acfg->fp, "lis 11, %d@h\n", offset);
1516 fprintf (acfg->fp, "ori 11, 11, %d@l\n", offset);
1517 fprintf (acfg->fp, "add 11, 11, 30\n");
1518 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
1519 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1520 fprintf (acfg->fp, "%s 2, %d(11)\n", PPC_LD_OP, (int)sizeof (gpointer));
1521 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
1523 fprintf (acfg->fp, "mtctr 11\n");
1524 fprintf (acfg->fp, "bctr\n");
1525 emit_int32 (acfg, info_offset);
1527 g_assert_not_reached ();
1532 * arch_emit_llvm_plt_entry:
1534 * Same as arch_emit_plt_entry, but handles calls from LLVM generated code.
1535 * This is only needed on arm to handle thumb interop.
1538 arch_emit_llvm_plt_entry (MonoAotCompile *acfg, const char *got_symbol, int offset, int info_offset)
1540 #if defined(TARGET_ARM)
1541 /* LLVM calls the PLT entries using bl, so these have to be thumb2 */
1542 /* The caller already transitioned to thumb */
1543 /* The code below should be 12 bytes long */
1544 /* clang has trouble encoding these instructions, so emit the binary */
1546 fprintf (acfg->fp, "ldr ip, [pc, #8]\n");
1547 /* thumb can't encode ld pc, [pc, ip] */
1548 fprintf (acfg->fp, "add ip, pc, ip\n");
1549 fprintf (acfg->fp, "ldr ip, [ip, #0]\n");
1550 fprintf (acfg->fp, "bx ip\n");
1552 emit_set_thumb_mode (acfg);
1553 fprintf (acfg->fp, ".4byte 0xc008f8df\n");
1554 fprintf (acfg->fp, ".2byte 0x44fc\n");
1555 fprintf (acfg->fp, ".4byte 0xc000f8dc\n");
1556 fprintf (acfg->fp, ".2byte 0x4760\n");
1557 emit_symbol_diff (acfg, got_symbol, ".", offset + 4);
1558 emit_int32 (acfg, info_offset);
1559 emit_unset_mode (acfg);
1560 emit_set_arm_mode (acfg);
1562 g_assert_not_reached ();
1566 /* Save unwind_info in the module and emit the offset to the information at symbol */
1567 static void save_unwind_info (MonoAotCompile *acfg, char *symbol, GSList *unwind_ops)
1569 guint32 uw_offset, encoded_len;
1572 emit_section_change (acfg, RODATA_SECT, 0);
1573 emit_global (acfg, symbol, FALSE);
1574 emit_label (acfg, symbol);
1576 encoded = mono_unwind_ops_encode (unwind_ops, &encoded_len);
1577 uw_offset = get_unwind_info_offset (acfg, encoded, encoded_len);
1579 emit_int32 (acfg, uw_offset);
1583 * arch_emit_specific_trampoline_pages:
1585 * Emits a page full of trampolines: each trampoline uses its own address to
1586 * lookup both the generic trampoline code and the data argument.
1587 * This page can be remapped in process multiple times so we can get an
1588 * unlimited number of trampolines.
1589 * Specifically this implementation uses the following trick: two memory pages
1590 * are allocated, with the first containing the data and the second containing the trampolines.
1591 * To reduce trampoline size, each trampoline jumps at the start of the page where a common
1592 * implementation does all the lifting.
1593 * Note that the ARM single trampoline size is 8 bytes, exactly like the data that needs to be stored
1594 * on the arm 32 bit system.
1597 arch_emit_specific_trampoline_pages (MonoAotCompile *acfg)
1599 #if defined(TARGET_ARM)
1602 guint8 *loop_start, *loop_branch_back, *loop_end_check, *imt_found_check;
1604 int pagesize = MONO_AOT_TRAMP_PAGE_SIZE;
1605 GSList *unwind_ops = NULL;
1606 #define COMMON_TRAMP_SIZE 16
1607 int count = (pagesize - COMMON_TRAMP_SIZE) / 8;
1608 int imm8, rot_amount;
1611 if (!acfg->aot_opts.use_trampolines_page)
1614 acfg->tramp_page_size = pagesize;
1616 sprintf (symbol, "%sspecific_trampolines_page", acfg->user_symbol_prefix);
1617 emit_alignment (acfg, pagesize);
1618 emit_global (acfg, symbol, TRUE);
1619 emit_label (acfg, symbol);
1621 /* emit the generic code first, the trampoline address + 8 is in the lr register */
1623 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1624 ARM_SUB_REG_IMM (code, ARMREG_LR, ARMREG_LR, imm8, rot_amount);
1625 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_LR, -8);
1626 ARM_LDR_IMM (code, ARMREG_PC, ARMREG_LR, -4);
1628 g_assert (code - buf == COMMON_TRAMP_SIZE);
1631 emit_bytes (acfg, buf, code - buf);
1633 for (i = 0; i < count; ++i) {
1635 ARM_PUSH (code, 0x5fff);
1637 arm_patch (code - 4, code - COMMON_TRAMP_SIZE - 8 * (i + 1));
1638 g_assert (code - buf == 8);
1639 emit_bytes (acfg, buf, code - buf);
1642 /* now the rgctx trampolines: each specific trampolines puts in the ip register
1643 * the instruction pointer address, so the generic trampoline at the start of the page
1644 * subtracts 4096 to get to the data page and loads the values
1645 * We again fit the generic trampiline in 16 bytes.
1647 sprintf (symbol, "%srgctx_trampolines_page", acfg->user_symbol_prefix);
1648 emit_global (acfg, symbol, TRUE);
1649 emit_label (acfg, symbol);
1651 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1652 ARM_SUB_REG_IMM (code, ARMREG_IP, ARMREG_IP, imm8, rot_amount);
1653 ARM_LDR_IMM (code, MONO_ARCH_RGCTX_REG, ARMREG_IP, -8);
1654 ARM_LDR_IMM (code, ARMREG_PC, ARMREG_IP, -4);
1656 g_assert (code - buf == COMMON_TRAMP_SIZE);
1659 emit_bytes (acfg, buf, code - buf);
1661 for (i = 0; i < count; ++i) {
1663 ARM_MOV_REG_REG (code, ARMREG_IP, ARMREG_PC);
1665 arm_patch (code - 4, code - COMMON_TRAMP_SIZE - 8 * (i + 1));
1666 g_assert (code - buf == 8);
1667 emit_bytes (acfg, buf, code - buf);
1671 * gsharedvt arg trampolines: see arch_emit_gsharedvt_arg_trampoline ()
1673 sprintf (symbol, "%sgsharedvt_arg_trampolines_page", acfg->user_symbol_prefix);
1674 emit_global (acfg, symbol, TRUE);
1675 emit_label (acfg, symbol);
1677 ARM_PUSH (code, (1 << ARMREG_R0) | (1 << ARMREG_R1) | (1 << ARMREG_R2) | (1 << ARMREG_R3));
1678 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1679 ARM_SUB_REG_IMM (code, ARMREG_IP, ARMREG_IP, imm8, rot_amount);
1680 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_IP, -8);
1681 ARM_LDR_IMM (code, ARMREG_PC, ARMREG_IP, -4);
1682 g_assert (code - buf == COMMON_TRAMP_SIZE);
1684 emit_bytes (acfg, buf, code - buf);
1686 for (i = 0; i < count; ++i) {
1688 ARM_MOV_REG_REG (code, ARMREG_IP, ARMREG_PC);
1690 arm_patch (code - 4, code - COMMON_TRAMP_SIZE - 8 * (i + 1));
1691 g_assert (code - buf == 8);
1692 emit_bytes (acfg, buf, code - buf);
1695 /* now the imt trampolines: each specific trampolines puts in the ip register
1696 * the instruction pointer address, so the generic trampoline at the start of the page
1697 * subtracts 4096 to get to the data page and loads the values
1699 #define IMT_TRAMP_SIZE 72
1700 sprintf (symbol, "%simt_trampolines_page", acfg->user_symbol_prefix);
1701 emit_global (acfg, symbol, TRUE);
1702 emit_label (acfg, symbol);
1704 /* Need at least two free registers, plus a slot for storing the pc */
1705 ARM_PUSH (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_R2));
1707 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1708 ARM_SUB_REG_IMM (code, ARMREG_IP, ARMREG_IP, imm8, rot_amount);
1709 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_IP, -8);
1711 /* The IMT method is in v5, r0 has the imt array address */
1714 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_R0, 0);
1715 ARM_CMP_REG_REG (code, ARMREG_R1, ARMREG_V5);
1716 imt_found_check = code;
1717 ARM_B_COND (code, ARMCOND_EQ, 0);
1719 /* End-of-loop check */
1720 ARM_CMP_REG_IMM (code, ARMREG_R1, 0, 0);
1721 loop_end_check = code;
1722 ARM_B_COND (code, ARMCOND_EQ, 0);
1725 ARM_ADD_REG_IMM8 (code, ARMREG_R0, ARMREG_R0, sizeof (gpointer) * 2);
1726 loop_branch_back = code;
1728 arm_patch (loop_branch_back, loop_start);
1731 arm_patch (imt_found_check, code);
1732 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
1733 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 0);
1734 /* Save it to the third stack slot */
1735 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
1736 /* Restore the registers and branch */
1737 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
1740 arm_patch (loop_end_check, code);
1741 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
1742 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
1743 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
1747 g_assert (code - buf == IMT_TRAMP_SIZE);
1748 emit_bytes (acfg, buf, code - buf);
1750 for (i = 0; i < count; ++i) {
1752 ARM_MOV_REG_REG (code, ARMREG_IP, ARMREG_PC);
1754 arm_patch (code - 4, code - IMT_TRAMP_SIZE - 8 * (i + 1));
1755 g_assert (code - buf == 8);
1756 emit_bytes (acfg, buf, code - buf);
1759 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_SPECIFIC] = 16;
1760 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_STATIC_RGCTX] = 16;
1761 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_IMT_THUNK] = 72;
1762 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_GSHAREDVT_ARG] = 16;
1764 /* Unwind info for specifc trampolines */
1765 sprintf (symbol, "%sspecific_trampolines_page_gen_p", acfg->user_symbol_prefix);
1766 /* We unwind to the original caller, from the stack, since lr is clobbered */
1767 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 14 * sizeof (mgreg_t));
1768 mono_add_unwind_op_offset (unwind_ops, 0, 0, ARMREG_LR, -4);
1769 save_unwind_info (acfg, symbol, unwind_ops);
1770 mono_free_unwind_info (unwind_ops);
1772 sprintf (symbol, "%sspecific_trampolines_page_sp_p", acfg->user_symbol_prefix);
1773 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1774 mono_add_unwind_op_def_cfa_offset (unwind_ops, 4, 0, 14 * sizeof (mgreg_t));
1775 save_unwind_info (acfg, symbol, unwind_ops);
1776 mono_free_unwind_info (unwind_ops);
1778 /* Unwind info for rgctx trampolines */
1779 sprintf (symbol, "%srgctx_trampolines_page_gen_p", acfg->user_symbol_prefix);
1780 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1781 save_unwind_info (acfg, symbol, unwind_ops);
1783 sprintf (symbol, "%srgctx_trampolines_page_sp_p", acfg->user_symbol_prefix);
1784 save_unwind_info (acfg, symbol, unwind_ops);
1785 mono_free_unwind_info (unwind_ops);
1787 /* Unwind info for gsharedvt trampolines */
1788 sprintf (symbol, "%sgsharedvt_trampolines_page_gen_p", acfg->user_symbol_prefix);
1789 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1790 mono_add_unwind_op_def_cfa_offset (unwind_ops, 4, 0, 4 * sizeof (mgreg_t));
1791 save_unwind_info (acfg, symbol, unwind_ops);
1792 mono_free_unwind_info (unwind_ops);
1794 sprintf (symbol, "%sgsharedvt_trampolines_page_sp_p", acfg->user_symbol_prefix);
1795 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1796 save_unwind_info (acfg, symbol, unwind_ops);
1797 mono_free_unwind_info (unwind_ops);
1799 /* Unwind info for imt trampolines */
1800 sprintf (symbol, "%simt_trampolines_page_gen_p", acfg->user_symbol_prefix);
1801 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1802 mono_add_unwind_op_def_cfa_offset (unwind_ops, 4, 0, 3 * sizeof (mgreg_t));
1803 save_unwind_info (acfg, symbol, unwind_ops);
1804 mono_free_unwind_info (unwind_ops);
1806 sprintf (symbol, "%simt_trampolines_page_sp_p", acfg->user_symbol_prefix);
1807 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1808 save_unwind_info (acfg, symbol, unwind_ops);
1809 mono_free_unwind_info (unwind_ops);
1810 #elif defined(TARGET_ARM64)
1811 arm64_emit_specific_trampoline_pages (acfg);
1816 * arch_emit_specific_trampoline:
1818 * Emit code for a specific trampoline. OFFSET is the offset of the first of
1819 * two GOT slots which contain the generic trampoline address and the trampoline
1820 * argument. TRAMP_SIZE is set to the size of the emitted trampoline.
1823 arch_emit_specific_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1826 * The trampolines created here are variations of the specific
1827 * trampolines created in mono_arch_create_specific_trampoline (). The
1829 * - the generic trampoline address is taken from a got slot.
1830 * - the offset of the got slot where the trampoline argument is stored
1831 * is embedded in the instruction stream, and the generic trampoline
1832 * can load the argument by loading the offset, adding it to the
1833 * address of the trampoline to get the address of the got slot, and
1834 * loading the argument from there.
1835 * - all the trampolines should be of the same length.
1837 #if defined(TARGET_AMD64)
1838 /* This should be exactly 8 bytes long */
1840 /* call *<offset>(%rip) */
1842 emit_unset_mode (acfg);
1843 fprintf (acfg->fp, "call *%s+%d(%%rip)\n", acfg->got_symbol, (int)(offset * sizeof (gpointer)));
1844 emit_zero_bytes (acfg, 2);
1846 emit_byte (acfg, '\x41');
1847 emit_byte (acfg, '\xff');
1848 emit_byte (acfg, '\x15');
1849 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4);
1850 emit_zero_bytes (acfg, 1);
1852 #elif defined(TARGET_ARM)
1856 /* This should be exactly 20 bytes long */
1859 ARM_PUSH (code, 0x5fff);
1860 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_PC, 4);
1861 /* Load the value from the GOT */
1862 ARM_LDR_REG_REG (code, ARMREG_R1, ARMREG_PC, ARMREG_R1);
1864 ARM_BLX_REG (code, ARMREG_R1);
1866 g_assert (code - buf == 16);
1869 emit_bytes (acfg, buf, code - buf);
1871 * Only one offset is needed, since the second one would be equal to the
1874 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4 + 4);
1875 //emit_symbol_diff (acfg, acfg->got_symbol, ".", ((offset + 1) * sizeof (gpointer)) - 4 + 8);
1876 #elif defined(TARGET_ARM64)
1877 arm64_emit_specific_trampoline (acfg, offset, tramp_size);
1878 #elif defined(TARGET_POWERPC)
1886 * PPC has no ip relative addressing, so we need to compute the address
1887 * of the mscorlib got. That is slow and complex, so instead, we store it
1888 * in the second got slot of every aot image. The caller already computed
1889 * the address of its got and placed it into r30.
1891 emit_unset_mode (acfg);
1892 /* Load mscorlib got address */
1893 fprintf (acfg->fp, "%s 0, %d(30)\n", PPC_LD_OP, (int)sizeof (gpointer));
1894 /* Load generic trampoline address */
1895 fprintf (acfg->fp, "lis 11, %d@h\n", (int)(offset * sizeof (gpointer)));
1896 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)(offset * sizeof (gpointer)));
1897 fprintf (acfg->fp, "%s 11, 11, 0\n", PPC_LDX_OP);
1898 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1899 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
1901 fprintf (acfg->fp, "mtctr 11\n");
1902 /* Load trampoline argument */
1903 /* On ppc, we pass it normally to the generic trampoline */
1904 fprintf (acfg->fp, "lis 11, %d@h\n", (int)((offset + 1) * sizeof (gpointer)));
1905 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)((offset + 1) * sizeof (gpointer)));
1906 fprintf (acfg->fp, "%s 0, 11, 0\n", PPC_LDX_OP);
1907 /* Branch to generic trampoline */
1908 fprintf (acfg->fp, "bctr\n");
1910 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1911 *tramp_size = 10 * 4;
1913 *tramp_size = 9 * 4;
1915 #elif defined(TARGET_X86)
1919 /* Similar to the PPC code above */
1921 /* FIXME: Could this clobber the register needed by get_vcall_slot () ? */
1924 /* Load mscorlib got address */
1925 x86_mov_reg_membase (code, X86_ECX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
1926 /* Push trampoline argument */
1927 x86_push_membase (code, X86_ECX, (offset + 1) * sizeof (gpointer));
1928 /* Load generic trampoline address */
1929 x86_mov_reg_membase (code, X86_ECX, X86_ECX, offset * sizeof (gpointer), 4);
1930 /* Branch to generic trampoline */
1931 x86_jump_reg (code, X86_ECX);
1933 emit_bytes (acfg, buf, code - buf);
1936 g_assert (code - buf == *tramp_size);
1938 g_assert_not_reached ();
1943 * arch_emit_unbox_trampoline:
1945 * Emit code for the unbox trampoline for METHOD used in the full-aot case.
1946 * CALL_TARGET is the symbol pointing to the native code of METHOD.
1949 arch_emit_unbox_trampoline (MonoAotCompile *acfg, MonoCompile *cfg, MonoMethod *method, const char *call_target)
1951 #if defined(TARGET_AMD64)
1956 this_reg = mono_arch_get_this_arg_reg (NULL);
1958 amd64_alu_reg_imm (code, X86_ADD, this_reg, sizeof (MonoObject));
1960 emit_bytes (acfg, buf, code - buf);
1963 emit_unset_mode (acfg);
1964 fprintf (acfg->fp, "jmp %s\n", call_target);
1966 emit_byte (acfg, '\xe9');
1967 emit_symbol_diff (acfg, call_target, ".", -4);
1969 #elif defined(TARGET_X86)
1976 x86_alu_membase_imm (code, X86_ADD, X86_ESP, this_pos, sizeof (MonoObject));
1978 emit_bytes (acfg, buf, code - buf);
1981 emit_byte (acfg, '\xe9');
1982 emit_symbol_diff (acfg, call_target, ".", -4);
1983 #elif defined(TARGET_ARM)
1987 if (acfg->thumb_mixed && cfg->compile_llvm) {
1988 fprintf (acfg->fp, "add r0, r0, #%d\n", (int)sizeof (MonoObject));
1989 fprintf (acfg->fp, "b %s\n", call_target);
1990 fprintf (acfg->fp, ".arm\n");
1991 fprintf (acfg->fp, ".align 2\n");
1997 ARM_ADD_REG_IMM8 (code, ARMREG_R0, ARMREG_R0, sizeof (MonoObject));
1999 emit_bytes (acfg, buf, code - buf);
2000 /* jump to method */
2001 if (acfg->thumb_mixed && cfg->compile_llvm)
2002 fprintf (acfg->fp, "\n\tbx %s\n", call_target);
2004 fprintf (acfg->fp, "\n\tb %s\n", call_target);
2005 #elif defined(TARGET_ARM64)
2006 arm64_emit_unbox_trampoline (acfg, cfg, method, call_target);
2007 #elif defined(TARGET_POWERPC)
2010 fprintf (acfg->fp, "\n\taddi %d, %d, %d\n", this_pos, this_pos, (int)sizeof (MonoObject));
2011 fprintf (acfg->fp, "\n\tb %s\n", call_target);
2013 g_assert_not_reached ();
2018 * arch_emit_static_rgctx_trampoline:
2020 * Emit code for a static rgctx trampoline. OFFSET is the offset of the first of
2021 * two GOT slots which contain the rgctx argument, and the method to jump to.
2022 * TRAMP_SIZE is set to the size of the emitted trampoline.
2023 * These kinds of trampolines cannot be enumerated statically, since there could
2024 * be one trampoline per method instantiation, so we emit the same code for all
2025 * trampolines, and parameterize them using two GOT slots.
2028 arch_emit_static_rgctx_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
2030 #if defined(TARGET_AMD64)
2031 /* This should be exactly 13 bytes long */
2035 emit_unset_mode (acfg);
2036 fprintf (acfg->fp, "mov %s+%d(%%rip), %%r10\n", acfg->got_symbol, (int)(offset * sizeof (gpointer)));
2037 fprintf (acfg->fp, "jmp *%s+%d(%%rip)\n", acfg->got_symbol, (int)((offset + 1) * sizeof (gpointer)));
2039 /* mov <OFFSET>(%rip), %r10 */
2040 emit_byte (acfg, '\x4d');
2041 emit_byte (acfg, '\x8b');
2042 emit_byte (acfg, '\x15');
2043 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4);
2045 /* jmp *<offset>(%rip) */
2046 emit_byte (acfg, '\xff');
2047 emit_byte (acfg, '\x25');
2048 emit_symbol_diff (acfg, acfg->got_symbol, ".", ((offset + 1) * sizeof (gpointer)) - 4);
2050 #elif defined(TARGET_ARM)
2054 /* This should be exactly 24 bytes long */
2057 /* Load rgctx value */
2058 ARM_LDR_IMM (code, ARMREG_IP, ARMREG_PC, 8);
2059 ARM_LDR_REG_REG (code, MONO_ARCH_RGCTX_REG, ARMREG_PC, ARMREG_IP);
2060 /* Load branch addr + branch */
2061 ARM_LDR_IMM (code, ARMREG_IP, ARMREG_PC, 4);
2062 ARM_LDR_REG_REG (code, ARMREG_PC, ARMREG_PC, ARMREG_IP);
2064 g_assert (code - buf == 16);
2067 emit_bytes (acfg, buf, code - buf);
2068 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4 + 8);
2069 emit_symbol_diff (acfg, acfg->got_symbol, ".", ((offset + 1) * sizeof (gpointer)) - 4 + 4);
2070 #elif defined(TARGET_ARM64)
2071 arm64_emit_static_rgctx_trampoline (acfg, offset, tramp_size);
2072 #elif defined(TARGET_POWERPC)
2080 * PPC has no ip relative addressing, so we need to compute the address
2081 * of the mscorlib got. That is slow and complex, so instead, we store it
2082 * in the second got slot of every aot image. The caller already computed
2083 * the address of its got and placed it into r30.
2085 emit_unset_mode (acfg);
2086 /* Load mscorlib got address */
2087 fprintf (acfg->fp, "%s 0, %d(30)\n", PPC_LD_OP, (int)sizeof (gpointer));
2089 fprintf (acfg->fp, "lis 11, %d@h\n", (int)(offset * sizeof (gpointer)));
2090 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)(offset * sizeof (gpointer)));
2091 fprintf (acfg->fp, "%s %d, 11, 0\n", PPC_LDX_OP, MONO_ARCH_RGCTX_REG);
2092 /* Load target address */
2093 fprintf (acfg->fp, "lis 11, %d@h\n", (int)((offset + 1) * sizeof (gpointer)));
2094 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)((offset + 1) * sizeof (gpointer)));
2095 fprintf (acfg->fp, "%s 11, 11, 0\n", PPC_LDX_OP);
2096 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
2097 fprintf (acfg->fp, "%s 2, %d(11)\n", PPC_LD_OP, (int)sizeof (gpointer));
2098 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
2100 fprintf (acfg->fp, "mtctr 11\n");
2101 /* Branch to the target address */
2102 fprintf (acfg->fp, "bctr\n");
2104 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
2105 *tramp_size = 11 * 4;
2107 *tramp_size = 9 * 4;
2110 #elif defined(TARGET_X86)
2114 /* Similar to the PPC code above */
2116 g_assert (MONO_ARCH_RGCTX_REG != X86_ECX);
2119 /* Load mscorlib got address */
2120 x86_mov_reg_membase (code, X86_ECX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
2122 x86_mov_reg_membase (code, MONO_ARCH_RGCTX_REG, X86_ECX, offset * sizeof (gpointer), 4);
2123 /* Branch to the target address */
2124 x86_jump_membase (code, X86_ECX, (offset + 1) * sizeof (gpointer));
2126 emit_bytes (acfg, buf, code - buf);
2129 g_assert (code - buf == *tramp_size);
2131 g_assert_not_reached ();
2136 * arch_emit_imt_thunk:
2138 * Emit an IMT thunk usable in full-aot mode. The thunk uses 1 got slot which
2139 * points to an array of pointer pairs. The pairs of the form [key, ptr], where
2140 * key is the IMT key, and ptr holds the address of a memory location holding
2141 * the address to branch to if the IMT arg matches the key. The array is
2142 * terminated by a pair whose key is NULL, and whose ptr is the address of the
2144 * TRAMP_SIZE is set to the size of the emitted trampoline.
2147 arch_emit_imt_thunk (MonoAotCompile *acfg, int offset, int *tramp_size)
2149 #if defined(TARGET_AMD64)
2151 guint8 *labels [16];
2153 guint8 *mov_buf_ptr = mov_buf;
2155 const int kSizeOfMove = 7;
2157 code = buf = (guint8 *)g_malloc (256);
2159 /* FIXME: Optimize this, i.e. use binary search etc. */
2160 /* Maybe move the body into a separate function (slower, but much smaller) */
2162 /* MONO_ARCH_IMT_SCRATCH_REG is a free register */
2165 emit_unset_mode (acfg);
2166 fprintf (acfg->fp, "mov %s+%d(%%rip), %s\n", acfg->got_symbol, (int)(offset * sizeof (gpointer)), mono_arch_regname (MONO_ARCH_IMT_SCRATCH_REG));
2170 amd64_alu_membase_imm (code, X86_CMP, MONO_ARCH_IMT_SCRATCH_REG, 0, 0);
2172 amd64_branch8 (code, X86_CC_Z, 0, FALSE);
2175 amd64_alu_membase_reg_size (code, X86_CMP, MONO_ARCH_IMT_SCRATCH_REG, 0, MONO_ARCH_IMT_REG, sizeof (gpointer));
2177 amd64_branch8 (code, X86_CC_Z, 0, FALSE);
2180 amd64_alu_reg_imm (code, X86_ADD, MONO_ARCH_IMT_SCRATCH_REG, 2 * sizeof (gpointer));
2181 amd64_jump_code (code, labels [0]);
2184 mono_amd64_patch (labels [2], code);
2185 amd64_mov_reg_membase (code, MONO_ARCH_IMT_SCRATCH_REG, MONO_ARCH_IMT_SCRATCH_REG, sizeof (gpointer), sizeof (gpointer));
2186 amd64_jump_membase (code, MONO_ARCH_IMT_SCRATCH_REG, 0);
2189 mono_amd64_patch (labels [1], code);
2190 /* Load fail tramp */
2191 amd64_alu_reg_imm (code, X86_ADD, MONO_ARCH_IMT_SCRATCH_REG, sizeof (gpointer));
2192 /* Check if there is a fail tramp */
2193 amd64_alu_membase_imm (code, X86_CMP, MONO_ARCH_IMT_SCRATCH_REG, 0, 0);
2195 amd64_branch8 (code, X86_CC_Z, 0, FALSE);
2196 /* Jump to fail tramp */
2197 amd64_jump_membase (code, MONO_ARCH_IMT_SCRATCH_REG, 0);
2200 mono_amd64_patch (labels [3], code);
2201 x86_breakpoint (code);
2204 /* mov <OFFSET>(%rip), MONO_ARCH_IMT_SCRATCH_REG */
2205 amd64_emit_rex (mov_buf_ptr, sizeof(gpointer), MONO_ARCH_IMT_SCRATCH_REG, 0, AMD64_RIP);
2206 *(mov_buf_ptr)++ = (unsigned char)0x8b; /* mov opcode */
2207 x86_address_byte (mov_buf_ptr, 0, MONO_ARCH_IMT_SCRATCH_REG & 0x7, 5);
2208 emit_bytes (acfg, mov_buf, mov_buf_ptr - mov_buf);
2209 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4);
2211 emit_bytes (acfg, buf, code - buf);
2213 *tramp_size = code - buf + kSizeOfMove;
2217 #elif defined(TARGET_X86)
2219 guint8 *labels [16];
2221 code = buf = g_malloc (256);
2223 /* Allocate a temporary stack slot */
2224 x86_push_reg (code, X86_EAX);
2226 x86_push_reg (code, X86_EAX);
2228 /* Load mscorlib got address */
2229 x86_mov_reg_membase (code, X86_EAX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
2231 x86_mov_reg_membase (code, X86_EAX, X86_EAX, offset * sizeof (gpointer), 4);
2234 x86_alu_membase_imm (code, X86_CMP, X86_EAX, 0, 0);
2236 x86_branch8 (code, X86_CC_Z, FALSE, 0);
2239 x86_alu_membase_reg (code, X86_CMP, X86_EAX, 0, MONO_ARCH_IMT_REG);
2241 x86_branch8 (code, X86_CC_Z, FALSE, 0);
2244 x86_alu_reg_imm (code, X86_ADD, X86_EAX, 2 * sizeof (gpointer));
2245 x86_jump_code (code, labels [0]);
2248 mono_x86_patch (labels [2], code);
2249 x86_mov_reg_membase (code, X86_EAX, X86_EAX, sizeof (gpointer), 4);
2250 x86_mov_reg_membase (code, X86_EAX, X86_EAX, 0, 4);
2251 /* Save the target address to the temporary stack location */
2252 x86_mov_membase_reg (code, X86_ESP, 4, X86_EAX, 4);
2254 x86_pop_reg (code, X86_EAX);
2255 /* Jump to the target address */
2259 mono_x86_patch (labels [1], code);
2260 /* Load fail tramp */
2261 x86_mov_reg_membase (code, X86_EAX, X86_EAX, sizeof (gpointer), 4);
2262 x86_alu_membase_imm (code, X86_CMP, X86_EAX, 0, 0);
2264 x86_branch8 (code, X86_CC_Z, FALSE, 0);
2265 /* Jump to fail tramp */
2266 x86_mov_membase_reg (code, X86_ESP, 4, X86_EAX, 4);
2267 x86_pop_reg (code, X86_EAX);
2271 mono_x86_patch (labels [3], code);
2272 x86_breakpoint (code);
2274 emit_bytes (acfg, buf, code - buf);
2276 *tramp_size = code - buf;
2280 #elif defined(TARGET_ARM)
2282 guint8 *code, *code2, *labels [16];
2286 /* The IMT method is in v5 */
2288 /* Need at least two free registers, plus a slot for storing the pc */
2289 ARM_PUSH (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_R2));
2291 /* Load the parameter from the GOT */
2292 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_PC, 0);
2293 ARM_LDR_REG_REG (code, ARMREG_R0, ARMREG_PC, ARMREG_R0);
2296 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_R0, 0);
2297 ARM_CMP_REG_REG (code, ARMREG_R1, ARMREG_V5);
2299 ARM_B_COND (code, ARMCOND_EQ, 0);
2301 /* End-of-loop check */
2302 ARM_CMP_REG_IMM (code, ARMREG_R1, 0, 0);
2304 ARM_B_COND (code, ARMCOND_EQ, 0);
2307 ARM_ADD_REG_IMM8 (code, ARMREG_R0, ARMREG_R0, sizeof (gpointer) * 2);
2310 arm_patch (labels [4], labels [1]);
2313 arm_patch (labels [2], code);
2314 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
2315 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 0);
2316 /* Save it to the third stack slot */
2317 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
2318 /* Restore the registers and branch */
2319 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
2322 arm_patch (labels [3], code);
2323 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
2324 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
2325 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
2329 ARM_LDR_IMM (code2, ARMREG_R0, ARMREG_PC, (code - (labels [0] + 8)));
2331 emit_bytes (acfg, buf, code - buf);
2332 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) + (code - (labels [0] + 8)) - 4);
2334 *tramp_size = code - buf + 4;
2335 #elif defined(TARGET_ARM64)
2336 arm64_emit_imt_thunk (acfg, offset, tramp_size);
2337 #elif defined(TARGET_POWERPC)
2339 guint8 *code, *labels [16];
2343 /* Load the mscorlib got address */
2344 ppc_ldptr (code, ppc_r12, sizeof (gpointer), ppc_r30);
2345 /* Load the parameter from the GOT */
2346 ppc_load (code, ppc_r0, offset * sizeof (gpointer));
2347 ppc_ldptr_indexed (code, ppc_r12, ppc_r12, ppc_r0);
2349 /* Load and check key */
2351 ppc_ldptr (code, ppc_r0, 0, ppc_r12);
2352 ppc_cmp (code, 0, sizeof (gpointer) == 8 ? 1 : 0, ppc_r0, MONO_ARCH_IMT_REG);
2354 ppc_bc (code, PPC_BR_TRUE, PPC_BR_EQ, 0);
2356 /* End-of-loop check */
2357 ppc_cmpi (code, 0, sizeof (gpointer) == 8 ? 1 : 0, ppc_r0, 0);
2359 ppc_bc (code, PPC_BR_TRUE, PPC_BR_EQ, 0);
2362 ppc_addi (code, ppc_r12, ppc_r12, 2 * sizeof (gpointer));
2365 mono_ppc_patch (labels [4], labels [1]);
2368 mono_ppc_patch (labels [2], code);
2369 ppc_ldptr (code, ppc_r12, sizeof (gpointer), ppc_r12);
2370 /* r12 now contains the value of the vtable slot */
2371 /* this is not a function descriptor on ppc64 */
2372 ppc_ldptr (code, ppc_r12, 0, ppc_r12);
2373 ppc_mtctr (code, ppc_r12);
2374 ppc_bcctr (code, PPC_BR_ALWAYS, 0);
2377 mono_ppc_patch (labels [3], code);
2381 *tramp_size = code - buf;
2383 emit_bytes (acfg, buf, code - buf);
2385 g_assert_not_reached ();
2390 #if defined (TARGET_AMD64)
2393 amd64_emit_load_got_slot (MonoAotCompile *acfg, int dreg, int got_slot)
2396 g_assert (acfg->fp);
2397 emit_unset_mode (acfg);
2399 fprintf (acfg->fp, "mov %s+%d(%%rip), %s\n", acfg->got_symbol, (unsigned int) ((got_slot * sizeof (gpointer))), mono_arch_regname (dreg));
2406 * arch_emit_gsharedvt_arg_trampoline:
2408 * Emit code for a gsharedvt arg trampoline. OFFSET is the offset of the first of
2409 * two GOT slots which contain the argument, and the code to jump to.
2410 * TRAMP_SIZE is set to the size of the emitted trampoline.
2411 * These kinds of trampolines cannot be enumerated statically, since there could
2412 * be one trampoline per method instantiation, so we emit the same code for all
2413 * trampolines, and parameterize them using two GOT slots.
2416 arch_emit_gsharedvt_arg_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
2418 #if defined(TARGET_X86)
2422 /* Similar to the PPC code above */
2424 g_assert (MONO_ARCH_RGCTX_REG != X86_ECX);
2427 /* Load mscorlib got address */
2428 x86_mov_reg_membase (code, X86_ECX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
2430 x86_mov_reg_membase (code, X86_EAX, X86_ECX, offset * sizeof (gpointer), 4);
2431 /* Branch to the target address */
2432 x86_jump_membase (code, X86_ECX, (offset + 1) * sizeof (gpointer));
2434 emit_bytes (acfg, buf, code - buf);
2437 g_assert (code - buf == *tramp_size);
2438 #elif defined(TARGET_ARM)
2442 /* The same as mono_arch_get_gsharedvt_arg_trampoline (), but for AOT */
2443 /* Similar to arch_emit_specific_trampoline () */
2446 ARM_PUSH (code, (1 << ARMREG_R0) | (1 << ARMREG_R1) | (1 << ARMREG_R2) | (1 << ARMREG_R3));
2447 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_PC, 8);
2448 /* Load the arg value from the GOT */
2449 ARM_LDR_REG_REG (code, ARMREG_R0, ARMREG_PC, ARMREG_R1);
2450 /* Load the addr from the GOT */
2451 ARM_LDR_REG_REG (code, ARMREG_R1, ARMREG_PC, ARMREG_R1);
2453 ARM_BX (code, ARMREG_R1);
2455 g_assert (code - buf == 20);
2458 emit_bytes (acfg, buf, code - buf);
2459 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) + 4);
2460 #elif defined(TARGET_ARM64)
2461 arm64_emit_gsharedvt_arg_trampoline (acfg, offset, tramp_size);
2462 #elif defined (TARGET_AMD64)
2464 amd64_emit_load_got_slot (acfg, AMD64_RAX, offset);
2465 amd64_emit_load_got_slot (acfg, MONO_ARCH_IMT_SCRATCH_REG, offset + 1);
2466 g_assert (AMD64_R11 == MONO_ARCH_IMT_SCRATCH_REG);
2467 fprintf (acfg->fp, "jmp *%%r11\n");
2471 g_assert_not_reached ();
2475 /* END OF ARCH SPECIFIC CODE */
2478 mono_get_field_token (MonoClassField *field)
2480 MonoClass *klass = field->parent;
2483 for (i = 0; i < klass->field.count; ++i) {
2484 if (field == &klass->fields [i])
2485 return MONO_TOKEN_FIELD_DEF | (klass->field.first + 1 + i);
2488 g_assert_not_reached ();
2493 encode_value (gint32 value, guint8 *buf, guint8 **endbuf)
2497 //printf ("ENCODE: %d 0x%x.\n", value, value);
2500 * Same encoding as the one used in the metadata, extended to handle values
2501 * greater than 0x1fffffff.
2503 if ((value >= 0) && (value <= 127))
2505 else if ((value >= 0) && (value <= 16383)) {
2506 p [0] = 0x80 | (value >> 8);
2507 p [1] = value & 0xff;
2509 } else if ((value >= 0) && (value <= 0x1fffffff)) {
2510 p [0] = (value >> 24) | 0xc0;
2511 p [1] = (value >> 16) & 0xff;
2512 p [2] = (value >> 8) & 0xff;
2513 p [3] = value & 0xff;
2518 p [1] = (value >> 24) & 0xff;
2519 p [2] = (value >> 16) & 0xff;
2520 p [3] = (value >> 8) & 0xff;
2521 p [4] = value & 0xff;
2529 stream_init (MonoDynamicStream *sh)
2532 sh->alloc_size = 4096;
2533 sh->data = (char *)g_malloc (4096);
2535 /* So offsets are > 0 */
2541 make_room_in_stream (MonoDynamicStream *stream, int size)
2543 if (size <= stream->alloc_size)
2546 while (stream->alloc_size <= size) {
2547 if (stream->alloc_size < 4096)
2548 stream->alloc_size = 4096;
2550 stream->alloc_size *= 2;
2553 stream->data = (char *)g_realloc (stream->data, stream->alloc_size);
2557 add_stream_data (MonoDynamicStream *stream, const char *data, guint32 len)
2561 make_room_in_stream (stream, stream->index + len);
2562 memcpy (stream->data + stream->index, data, len);
2563 idx = stream->index;
2564 stream->index += len;
2571 * Add data to the binary blob inside the aot image. Returns the offset inside the
2572 * blob where the data was stored.
2575 add_to_blob (MonoAotCompile *acfg, const guint8 *data, guint32 data_len)
2577 g_assert (!acfg->blob_closed);
2579 if (acfg->blob.alloc_size == 0)
2580 stream_init (&acfg->blob);
2582 return add_stream_data (&acfg->blob, (char*)data, data_len);
2586 add_to_blob_aligned (MonoAotCompile *acfg, const guint8 *data, guint32 data_len, guint32 align)
2591 if (acfg->blob.alloc_size == 0)
2592 stream_init (&acfg->blob);
2594 count = acfg->blob.index % align;
2596 /* we assume the stream data will be aligned */
2598 add_stream_data (&acfg->blob, buf, 4 - count);
2600 return add_stream_data (&acfg->blob, (char*)data, data_len);
2603 /* Emit a table of data into the aot image */
2605 emit_aot_data (MonoAotCompile *acfg, MonoAotFileTable table, const char *symbol, guint8 *data, int size)
2607 if (acfg->data_outfile) {
2608 acfg->table_offsets [(int)table] = acfg->datafile_offset;
2609 fwrite (data,1, size, acfg->data_outfile);
2610 acfg->datafile_offset += size;
2611 // align the data to 8 bytes. Put zeros in the file (so that every build results in consistent output).
2612 int align = 8 - size % 8;
2613 acfg->datafile_offset += align;
2614 guint8 align_buf [16];
2615 memset (&align_buf, 0, sizeof (align_buf));
2616 fwrite (align_buf, align, 1, acfg->data_outfile);
2617 } else if (acfg->llvm) {
2618 mono_llvm_emit_aot_data (symbol, data, size);
2620 emit_section_change (acfg, RODATA_SECT, 0);
2621 emit_alignment (acfg, 8);
2622 emit_label (acfg, symbol);
2623 emit_bytes (acfg, data, size);
2628 * emit_offset_table:
2630 * Emit a table of increasing offsets in a compact form using differential encoding.
2631 * There is an index entry for each GROUP_SIZE number of entries. The greater the
2632 * group size, the more compact the table becomes, but the slower it becomes to compute
2633 * a given entry. Returns the size of the table.
2636 emit_offset_table (MonoAotCompile *acfg, const char *symbol, MonoAotFileTable table, int noffsets, int group_size, gint32 *offsets)
2638 gint32 current_offset;
2639 int i, buf_size, ngroups, index_entry_size;
2641 guint8 *data_p, *data_buf;
2642 guint32 *index_offsets;
2644 ngroups = (noffsets + (group_size - 1)) / group_size;
2646 index_offsets = g_new0 (guint32, ngroups);
2648 buf_size = noffsets * 4;
2649 p = buf = (guint8 *)g_malloc0 (buf_size);
2652 for (i = 0; i < noffsets; ++i) {
2653 //printf ("D: %d -> %d\n", i, offsets [i]);
2654 if ((i % group_size) == 0) {
2655 index_offsets [i / group_size] = p - buf;
2656 /* Emit the full value for these entries */
2657 encode_value (offsets [i], p, &p);
2659 /* The offsets are allowed to be non-increasing */
2660 //g_assert (offsets [i] >= current_offset);
2661 encode_value (offsets [i] - current_offset, p, &p);
2663 current_offset = offsets [i];
2668 if (ngroups && index_offsets [ngroups - 1] < 65000)
2669 index_entry_size = 2;
2671 index_entry_size = 4;
2673 buf_size = (data_p - data_buf) + (ngroups * 4) + 16;
2674 p = buf = (guint8 *)g_malloc0 (buf_size);
2676 /* Emit the header */
2677 encode_int (noffsets, p, &p);
2678 encode_int (group_size, p, &p);
2679 encode_int (ngroups, p, &p);
2680 encode_int (index_entry_size, p, &p);
2682 /* Emit the index */
2683 for (i = 0; i < ngroups; ++i) {
2684 if (index_entry_size == 2)
2685 encode_int16 (index_offsets [i], p, &p);
2687 encode_int (index_offsets [i], p, &p);
2690 memcpy (p, data_buf, data_p - data_buf);
2691 p += data_p - data_buf;
2693 g_assert (p - buf <= buf_size);
2695 emit_aot_data (acfg, table, symbol, buf, p - buf);
2700 return (int)(p - buf);
2704 get_image_index (MonoAotCompile *cfg, MonoImage *image)
2708 index = GPOINTER_TO_UINT (g_hash_table_lookup (cfg->image_hash, image));
2712 index = g_hash_table_size (cfg->image_hash);
2713 g_hash_table_insert (cfg->image_hash, image, GUINT_TO_POINTER (index + 1));
2714 g_ptr_array_add (cfg->image_table, image);
2720 find_typespec_for_class (MonoAotCompile *acfg, MonoClass *klass)
2723 int len = acfg->image->tables [MONO_TABLE_TYPESPEC].rows;
2725 /* FIXME: Search referenced images as well */
2726 if (!acfg->typespec_classes) {
2727 acfg->typespec_classes = g_hash_table_new (NULL, NULL);
2728 for (i = 0; i < len; i++) {
2730 int typespec = MONO_TOKEN_TYPE_SPEC | (i + 1);
2731 MonoClass *klass_key = mono_class_get_and_inflate_typespec_checked (acfg->image, typespec, NULL, &error);
2732 if (!is_ok (&error)) {
2733 mono_error_cleanup (&error);
2736 g_hash_table_insert (acfg->typespec_classes, klass_key, GINT_TO_POINTER (typespec));
2739 return GPOINTER_TO_INT (g_hash_table_lookup (acfg->typespec_classes, klass));
2743 encode_method_ref (MonoAotCompile *acfg, MonoMethod *method, guint8 *buf, guint8 **endbuf);
2746 encode_klass_ref (MonoAotCompile *acfg, MonoClass *klass, guint8 *buf, guint8 **endbuf);
2749 encode_ginst (MonoAotCompile *acfg, MonoGenericInst *inst, guint8 *buf, guint8 **endbuf);
2752 encode_type (MonoAotCompile *acfg, MonoType *t, guint8 *buf, guint8 **endbuf);
2755 encode_klass_ref_inner (MonoAotCompile *acfg, MonoClass *klass, guint8 *buf, guint8 **endbuf)
2760 * The encoding begins with one of the MONO_AOT_TYPEREF values, followed by additional
2764 if (klass->generic_class) {
2766 g_assert (klass->type_token);
2768 /* Find a typespec for a class if possible */
2769 token = find_typespec_for_class (acfg, klass);
2771 encode_value (MONO_AOT_TYPEREF_TYPESPEC_TOKEN, p, &p);
2772 encode_value (token, p, &p);
2774 MonoClass *gclass = klass->generic_class->container_class;
2775 MonoGenericInst *inst = klass->generic_class->context.class_inst;
2776 static int count = 0;
2779 encode_value (MONO_AOT_TYPEREF_GINST, p, &p);
2780 encode_klass_ref (acfg, gclass, p, &p);
2781 encode_ginst (acfg, inst, p, &p);
2785 } else if (klass->type_token) {
2786 int iindex = get_image_index (acfg, klass->image);
2788 g_assert (mono_metadata_token_code (klass->type_token) == MONO_TOKEN_TYPE_DEF);
2790 encode_value (MONO_AOT_TYPEREF_TYPEDEF_INDEX, p, &p);
2791 encode_value (klass->type_token - MONO_TOKEN_TYPE_DEF, p, &p);
2793 encode_value (MONO_AOT_TYPEREF_TYPEDEF_INDEX_IMAGE, p, &p);
2794 encode_value (klass->type_token - MONO_TOKEN_TYPE_DEF, p, &p);
2795 encode_value (get_image_index (acfg, klass->image), p, &p);
2797 } else if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR)) {
2798 MonoGenericContainer *container = mono_type_get_generic_param_owner (&klass->byval_arg);
2799 MonoGenericParam *par = klass->byval_arg.data.generic_param;
2801 encode_value (MONO_AOT_TYPEREF_VAR, p, &p);
2803 encode_value (par->gshared_constraint ? 1 : 0, p, &p);
2804 if (par->gshared_constraint) {
2805 MonoGSharedGenericParam *gpar = (MonoGSharedGenericParam*)par;
2806 encode_type (acfg, par->gshared_constraint, p, &p);
2807 encode_klass_ref (acfg, mono_class_from_generic_parameter (gpar->parent, NULL, klass->byval_arg.type == MONO_TYPE_MVAR), p, &p);
2809 encode_value (klass->byval_arg.type, p, &p);
2810 encode_value (mono_type_get_generic_param_num (&klass->byval_arg), p, &p);
2812 encode_value (container->is_anonymous ? 0 : 1, p, &p);
2814 if (!container->is_anonymous) {
2815 encode_value (container->is_method, p, &p);
2816 if (container->is_method)
2817 encode_method_ref (acfg, container->owner.method, p, &p);
2819 encode_klass_ref (acfg, container->owner.klass, p, &p);
2822 } else if (klass->byval_arg.type == MONO_TYPE_PTR) {
2823 encode_value (MONO_AOT_TYPEREF_PTR, p, &p);
2824 encode_type (acfg, &klass->byval_arg, p, &p);
2827 g_assert (klass->rank > 0);
2828 encode_value (MONO_AOT_TYPEREF_ARRAY, p, &p);
2829 encode_value (klass->rank, p, &p);
2830 encode_klass_ref (acfg, klass->element_class, p, &p);
2838 * Encode a reference to KLASS. We use our home-grown encoding instead of the
2839 * standard metadata encoding.
2842 encode_klass_ref (MonoAotCompile *acfg, MonoClass *klass, guint8 *buf, guint8 **endbuf)
2844 gboolean shared = FALSE;
2847 * The encoding of generic instances is large so emit them only once.
2849 if (klass->generic_class) {
2851 g_assert (klass->type_token);
2853 /* Find a typespec for a class if possible */
2854 token = find_typespec_for_class (acfg, klass);
2857 } else if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR)) {
2862 guint offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->klass_blob_hash, klass));
2866 buf2 = (guint8 *)g_malloc (1024);
2869 encode_klass_ref_inner (acfg, klass, p, &p);
2870 g_assert (p - buf2 < 1024);
2872 offset = add_to_blob (acfg, buf2, p - buf2);
2875 g_hash_table_insert (acfg->klass_blob_hash, klass, GUINT_TO_POINTER (offset + 1));
2881 encode_value (MONO_AOT_TYPEREF_BLOB_INDEX, p, &p);
2882 encode_value (offset, p, &p);
2887 encode_klass_ref_inner (acfg, klass, buf, endbuf);
2891 encode_field_info (MonoAotCompile *cfg, MonoClassField *field, guint8 *buf, guint8 **endbuf)
2893 guint32 token = mono_get_field_token (field);
2896 encode_klass_ref (cfg, field->parent, p, &p);
2897 g_assert (mono_metadata_token_code (token) == MONO_TOKEN_FIELD_DEF);
2898 encode_value (token - MONO_TOKEN_FIELD_DEF, p, &p);
2903 encode_ginst (MonoAotCompile *acfg, MonoGenericInst *inst, guint8 *buf, guint8 **endbuf)
2908 encode_value (inst->type_argc, p, &p);
2909 for (i = 0; i < inst->type_argc; ++i)
2910 encode_klass_ref (acfg, mono_class_from_mono_type (inst->type_argv [i]), p, &p);
2915 encode_generic_context (MonoAotCompile *acfg, MonoGenericContext *context, guint8 *buf, guint8 **endbuf)
2918 MonoGenericInst *inst;
2920 inst = context->class_inst;
2922 g_assert (inst->type_argc);
2923 encode_ginst (acfg, inst, p, &p);
2925 encode_value (0, p, &p);
2927 inst = context->method_inst;
2929 g_assert (inst->type_argc);
2930 encode_ginst (acfg, inst, p, &p);
2932 encode_value (0, p, &p);
2938 encode_type (MonoAotCompile *acfg, MonoType *t, guint8 *buf, guint8 **endbuf)
2942 g_assert (t->num_mods == 0);
2943 /* t->attrs can be ignored */
2944 //g_assert (t->attrs == 0);
2947 *p = MONO_TYPE_PINNED;
2951 *p = MONO_TYPE_BYREF;
2959 case MONO_TYPE_VOID:
2960 case MONO_TYPE_BOOLEAN:
2961 case MONO_TYPE_CHAR:
2974 case MONO_TYPE_STRING:
2975 case MONO_TYPE_OBJECT:
2976 case MONO_TYPE_TYPEDBYREF:
2978 case MONO_TYPE_VALUETYPE:
2979 case MONO_TYPE_CLASS:
2980 encode_klass_ref (acfg, mono_class_from_mono_type (t), p, &p);
2982 case MONO_TYPE_SZARRAY:
2983 encode_klass_ref (acfg, t->data.klass, p, &p);
2986 encode_type (acfg, t->data.type, p, &p);
2988 case MONO_TYPE_GENERICINST: {
2989 MonoClass *gclass = t->data.generic_class->container_class;
2990 MonoGenericInst *inst = t->data.generic_class->context.class_inst;
2992 encode_klass_ref (acfg, gclass, p, &p);
2993 encode_ginst (acfg, inst, p, &p);
2996 case MONO_TYPE_ARRAY: {
2997 MonoArrayType *array = t->data.array;
3000 encode_klass_ref (acfg, array->eklass, p, &p);
3001 encode_value (array->rank, p, &p);
3002 encode_value (array->numsizes, p, &p);
3003 for (i = 0; i < array->numsizes; ++i)
3004 encode_value (array->sizes [i], p, &p);
3005 encode_value (array->numlobounds, p, &p);
3006 for (i = 0; i < array->numlobounds; ++i)
3007 encode_value (array->lobounds [i], p, &p);
3011 case MONO_TYPE_MVAR:
3012 encode_klass_ref (acfg, mono_class_from_mono_type (t), p, &p);
3015 g_assert_not_reached ();
3022 encode_signature (MonoAotCompile *acfg, MonoMethodSignature *sig, guint8 *buf, guint8 **endbuf)
3028 /* Similar to the metadata encoding */
3029 if (sig->generic_param_count)
3033 if (sig->explicit_this)
3035 flags |= (sig->call_convention & 0x0F);
3039 if (sig->generic_param_count)
3040 encode_value (sig->generic_param_count, p, &p);
3041 encode_value (sig->param_count, p, &p);
3043 encode_type (acfg, sig->ret, p, &p);
3044 for (i = 0; i < sig->param_count; ++i) {
3045 if (sig->sentinelpos == i) {
3046 *p = MONO_TYPE_SENTINEL;
3049 encode_type (acfg, sig->params [i], p, &p);
3055 #define MAX_IMAGE_INDEX 250
3058 encode_method_ref (MonoAotCompile *acfg, MonoMethod *method, guint8 *buf, guint8 **endbuf)
3060 guint32 image_index = get_image_index (acfg, method->klass->image);
3061 guint32 token = method->token;
3062 MonoJumpInfoToken *ji;
3066 * The encoding for most methods is as follows:
3067 * - image index encoded as a leb128
3068 * - token index encoded as a leb128
3069 * Values of image index >= MONO_AOT_METHODREF_MIN are used to mark additional
3070 * types of method encodings.
3073 /* Mark methods which can't use aot trampolines because they need the further
3074 * processing in mono_magic_trampoline () which requires a MonoMethod*.
3076 if ((method->is_generic && (method->flags & METHOD_ATTRIBUTE_VIRTUAL)) ||
3077 (method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED))
3078 encode_value ((MONO_AOT_METHODREF_NO_AOT_TRAMPOLINE << 24), p, &p);
3080 if (method->wrapper_type) {
3081 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
3083 encode_value ((MONO_AOT_METHODREF_WRAPPER << 24), p, &p);
3085 encode_value (method->wrapper_type, p, &p);
3087 switch (method->wrapper_type) {
3088 case MONO_WRAPPER_REMOTING_INVOKE:
3089 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
3090 case MONO_WRAPPER_XDOMAIN_INVOKE: {
3093 m = mono_marshal_method_from_wrapper (method);
3095 encode_method_ref (acfg, m, p, &p);
3098 case MONO_WRAPPER_PROXY_ISINST:
3099 case MONO_WRAPPER_LDFLD:
3100 case MONO_WRAPPER_LDFLDA:
3101 case MONO_WRAPPER_STFLD:
3102 case MONO_WRAPPER_ISINST: {
3104 encode_klass_ref (acfg, info->d.proxy.klass, p, &p);
3107 case MONO_WRAPPER_STFLD_REMOTE:
3109 case MONO_WRAPPER_ALLOC: {
3110 /* The GC name is saved once in MonoAotFileInfo */
3111 g_assert (info->d.alloc.alloc_type != -1);
3112 encode_value (info->d.alloc.alloc_type, p, &p);
3115 case MONO_WRAPPER_WRITE_BARRIER: {
3119 case MONO_WRAPPER_STELEMREF: {
3121 encode_value (info->subtype, p, &p);
3122 if (info->subtype == WRAPPER_SUBTYPE_VIRTUAL_STELEMREF)
3123 encode_value (info->d.virtual_stelemref.kind, p, &p);
3126 case MONO_WRAPPER_UNKNOWN: {
3128 encode_value (info->subtype, p, &p);
3129 if (info->subtype == WRAPPER_SUBTYPE_PTR_TO_STRUCTURE ||
3130 info->subtype == WRAPPER_SUBTYPE_STRUCTURE_TO_PTR)
3131 encode_klass_ref (acfg, method->klass, p, &p);
3132 else if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER)
3133 encode_method_ref (acfg, info->d.synchronized_inner.method, p, &p);
3134 else if (info->subtype == WRAPPER_SUBTYPE_ARRAY_ACCESSOR)
3135 encode_method_ref (acfg, info->d.array_accessor.method, p, &p);
3136 else if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG)
3137 encode_signature (acfg, info->d.gsharedvt.sig, p, &p);
3138 else if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG)
3139 encode_signature (acfg, info->d.gsharedvt.sig, p, &p);
3142 case MONO_WRAPPER_MANAGED_TO_NATIVE: {
3144 encode_value (info->subtype, p, &p);
3145 if (info->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
3146 strcpy ((char*)p, method->name);
3147 p += strlen (method->name) + 1;
3148 } else if (info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT) {
3149 encode_method_ref (acfg, info->d.managed_to_native.method, p, &p);
3151 g_assert (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_PINVOKE);
3152 encode_method_ref (acfg, info->d.managed_to_native.method, p, &p);
3156 case MONO_WRAPPER_SYNCHRONIZED: {
3159 m = mono_marshal_method_from_wrapper (method);
3161 g_assert (m != method);
3162 encode_method_ref (acfg, m, p, &p);
3165 case MONO_WRAPPER_MANAGED_TO_MANAGED: {
3167 encode_value (info->subtype, p, &p);
3169 if (info->subtype == WRAPPER_SUBTYPE_ELEMENT_ADDR) {
3170 encode_value (info->d.element_addr.rank, p, &p);
3171 encode_value (info->d.element_addr.elem_size, p, &p);
3172 } else if (info->subtype == WRAPPER_SUBTYPE_STRING_CTOR) {
3173 encode_method_ref (acfg, info->d.string_ctor.method, p, &p);
3175 g_assert_not_reached ();
3179 case MONO_WRAPPER_CASTCLASS: {
3181 encode_value (info->subtype, p, &p);
3184 case MONO_WRAPPER_RUNTIME_INVOKE: {
3186 encode_value (info->subtype, p, &p);
3187 if (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL)
3188 encode_method_ref (acfg, info->d.runtime_invoke.method, p, &p);
3189 else if (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL)
3190 encode_signature (acfg, info->d.runtime_invoke.sig, p, &p);
3193 case MONO_WRAPPER_DELEGATE_INVOKE:
3194 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE:
3195 case MONO_WRAPPER_DELEGATE_END_INVOKE: {
3196 if (method->is_inflated) {
3197 /* These wrappers are identified by their class */
3198 encode_value (1, p, &p);
3199 encode_klass_ref (acfg, method->klass, p, &p);
3201 MonoMethodSignature *sig = mono_method_signature (method);
3202 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
3204 encode_value (0, p, &p);
3205 if (method->wrapper_type == MONO_WRAPPER_DELEGATE_INVOKE)
3206 encode_value (info ? info->subtype : 0, p, &p);
3207 encode_signature (acfg, sig, p, &p);
3211 case MONO_WRAPPER_NATIVE_TO_MANAGED: {
3213 encode_method_ref (acfg, info->d.native_to_managed.method, p, &p);
3214 encode_klass_ref (acfg, info->d.native_to_managed.klass, p, &p);
3218 g_assert_not_reached ();
3220 } else if (mono_method_signature (method)->is_inflated) {
3222 * This is a generic method, find the original token which referenced it and
3224 * Obtain the token from information recorded by the JIT.
3226 ji = (MonoJumpInfoToken *)g_hash_table_lookup (acfg->token_info_hash, method);
3228 image_index = get_image_index (acfg, ji->image);
3229 g_assert (image_index < MAX_IMAGE_INDEX);
3232 encode_value ((MONO_AOT_METHODREF_METHODSPEC << 24), p, &p);
3233 encode_value (image_index, p, &p);
3234 encode_value (token, p, &p);
3236 MonoMethod *declaring;
3237 MonoGenericContext *context = mono_method_get_context (method);
3239 g_assert (method->is_inflated);
3240 declaring = ((MonoMethodInflated*)method)->declaring;
3243 * This might be a non-generic method of a generic instance, which
3244 * doesn't have a token since the reference is generated by the JIT
3245 * like Nullable:Box/Unbox, or by generic sharing.
3247 encode_value ((MONO_AOT_METHODREF_GINST << 24), p, &p);
3248 /* Encode the klass */
3249 encode_klass_ref (acfg, method->klass, p, &p);
3250 /* Encode the method */
3251 image_index = get_image_index (acfg, method->klass->image);
3252 g_assert (image_index < MAX_IMAGE_INDEX);
3253 g_assert (declaring->token);
3254 token = declaring->token;
3255 g_assert (mono_metadata_token_table (token) == MONO_TABLE_METHOD);
3256 encode_value (image_index, p, &p);
3257 encode_value (token, p, &p);
3258 encode_generic_context (acfg, context, p, &p);
3260 } else if (token == 0) {
3261 /* This might be a method of a constructed type like int[,].Set */
3262 /* Obtain the token from information recorded by the JIT */
3263 ji = (MonoJumpInfoToken *)g_hash_table_lookup (acfg->token_info_hash, method);
3265 image_index = get_image_index (acfg, ji->image);
3266 g_assert (image_index < MAX_IMAGE_INDEX);
3269 encode_value ((MONO_AOT_METHODREF_METHODSPEC << 24), p, &p);
3270 encode_value (image_index, p, &p);
3271 encode_value (token, p, &p);
3274 g_assert (method->klass->rank);
3276 /* Encode directly */
3277 encode_value ((MONO_AOT_METHODREF_ARRAY << 24), p, &p);
3278 encode_klass_ref (acfg, method->klass, p, &p);
3279 if (!strcmp (method->name, ".ctor") && mono_method_signature (method)->param_count == method->klass->rank)
3280 encode_value (0, p, &p);
3281 else if (!strcmp (method->name, ".ctor") && mono_method_signature (method)->param_count == method->klass->rank * 2)
3282 encode_value (1, p, &p);
3283 else if (!strcmp (method->name, "Get"))
3284 encode_value (2, p, &p);
3285 else if (!strcmp (method->name, "Address"))
3286 encode_value (3, p, &p);
3287 else if (!strcmp (method->name, "Set"))
3288 encode_value (4, p, &p);
3290 g_assert_not_reached ();
3293 g_assert (mono_metadata_token_table (token) == MONO_TABLE_METHOD);
3295 if (image_index >= MONO_AOT_METHODREF_MIN) {
3296 encode_value ((MONO_AOT_METHODREF_LARGE_IMAGE_INDEX << 24), p, &p);
3297 encode_value (image_index, p, &p);
3298 encode_value (mono_metadata_token_index (token), p, &p);
3300 encode_value ((image_index << 24) | mono_metadata_token_index (token), p, &p);
3307 compare_patches (gconstpointer a, gconstpointer b)
3311 i = (*(MonoJumpInfo**)a)->ip.i;
3312 j = (*(MonoJumpInfo**)b)->ip.i;
3323 static G_GNUC_UNUSED char*
3324 patch_to_string (MonoJumpInfo *patch_info)
3328 str = g_string_new ("");
3330 g_string_append_printf (str, "%s(", get_patch_name (patch_info->type));
3332 switch (patch_info->type) {
3333 case MONO_PATCH_INFO_VTABLE:
3334 mono_type_get_desc (str, &patch_info->data.klass->byval_arg, TRUE);
3339 g_string_append_printf (str, ")");
3340 return g_string_free (str, FALSE);
3346 * Return whenever PATCH_INFO refers to a direct call, and thus requires a
3349 static inline gboolean
3350 is_plt_patch (MonoJumpInfo *patch_info)
3352 switch (patch_info->type) {
3353 case MONO_PATCH_INFO_METHOD:
3354 case MONO_PATCH_INFO_INTERNAL_METHOD:
3355 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3356 case MONO_PATCH_INFO_ICALL_ADDR_CALL:
3357 case MONO_PATCH_INFO_RGCTX_FETCH:
3367 * Return the symbol identifying the plt entry PLT_OFFSET.
3370 get_plt_symbol (MonoAotCompile *acfg, int plt_offset, MonoJumpInfo *patch_info)
3374 * The Apple linker reorganizes object files, so it doesn't like branches to local
3375 * labels, since those have no relocations.
3377 return g_strdup_printf ("%sp_%d", acfg->llvm_label_prefix, plt_offset);
3379 return g_strdup_printf ("%sp_%d", acfg->temp_prefix, plt_offset);
3386 * Return a PLT entry which belongs to the method identified by PATCH_INFO.
3388 static MonoPltEntry*
3389 get_plt_entry (MonoAotCompile *acfg, MonoJumpInfo *patch_info)
3392 gboolean synchronized = FALSE;
3393 static int synchronized_symbol_idx;
3395 if (!is_plt_patch (patch_info))
3398 if (!acfg->patch_to_plt_entry [patch_info->type])
3399 acfg->patch_to_plt_entry [patch_info->type] = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
3400 res = (MonoPltEntry *)g_hash_table_lookup (acfg->patch_to_plt_entry [patch_info->type], patch_info);
3402 if (!acfg->llvm && patch_info->type == MONO_PATCH_INFO_METHOD && (patch_info->data.method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)) {
3404 * Allocate a separate PLT slot for each such patch, since some plt
3405 * entries will refer to the method itself, and some will refer to the
3409 synchronized = TRUE;
3413 MonoJumpInfo *new_ji;
3415 new_ji = mono_patch_info_dup_mp (acfg->mempool, patch_info);
3417 res = (MonoPltEntry *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoPltEntry));
3418 res->plt_offset = acfg->plt_offset;
3420 res->symbol = get_plt_symbol (acfg, res->plt_offset, patch_info);
3421 if (acfg->aot_opts.write_symbols)
3422 res->debug_sym = get_plt_entry_debug_sym (acfg, res->ji, acfg->plt_entry_debug_sym_cache);
3424 /* Avoid duplicate symbols because we don't cache */
3425 res->symbol = g_strdup_printf ("%s_%d", res->symbol, synchronized_symbol_idx);
3427 res->debug_sym = g_strdup_printf ("%s_%d", res->debug_sym, synchronized_symbol_idx);
3428 synchronized_symbol_idx ++;
3431 res->llvm_symbol = g_strdup_printf ("%s_%s_llvm", res->symbol, res->debug_sym);
3433 res->llvm_symbol = g_strdup_printf ("%s_llvm", res->symbol);
3435 g_hash_table_insert (acfg->patch_to_plt_entry [new_ji->type], new_ji, res);
3437 g_hash_table_insert (acfg->plt_offset_to_entry, GUINT_TO_POINTER (res->plt_offset), res);
3439 //g_assert (mono_patch_info_equal (patch_info, new_ji));
3440 //mono_print_ji (patch_info); printf ("\n");
3441 //g_hash_table_print_stats (acfg->patch_to_plt_entry);
3443 acfg->plt_offset ++;
3452 * Returns the offset of the GOT slot where the runtime object resulting from resolving
3453 * JI could be found if it exists, otherwise allocates a new one.
3456 get_got_offset (MonoAotCompile *acfg, gboolean llvm, MonoJumpInfo *ji)
3459 GotInfo *info = llvm ? &acfg->llvm_got_info : &acfg->got_info;
3461 got_offset = GPOINTER_TO_UINT (g_hash_table_lookup (info->patch_to_got_offset_by_type [ji->type], ji));
3463 return got_offset - 1;
3466 got_offset = acfg->llvm_got_offset;
3467 acfg->llvm_got_offset ++;
3469 got_offset = acfg->got_offset;
3470 acfg->got_offset ++;
3473 acfg->stats.got_slots ++;
3474 acfg->stats.got_slot_types [ji->type] ++;
3476 g_hash_table_insert (info->patch_to_got_offset, ji, GUINT_TO_POINTER (got_offset + 1));
3477 g_hash_table_insert (info->patch_to_got_offset_by_type [ji->type], ji, GUINT_TO_POINTER (got_offset + 1));
3478 g_ptr_array_add (info->got_patches, ji);
3483 /* Add a method to the list of methods which need to be emitted */
3485 add_method_with_index (MonoAotCompile *acfg, MonoMethod *method, int index, gboolean extra)
3488 if (!g_hash_table_lookup (acfg->method_indexes, method)) {
3489 g_ptr_array_add (acfg->methods, method);
3490 g_hash_table_insert (acfg->method_indexes, method, GUINT_TO_POINTER (index + 1));
3491 acfg->nmethods = acfg->methods->len + 1;
3494 if (method->wrapper_type || extra)
3495 g_ptr_array_add (acfg->extra_methods, method);
3499 prefer_gsharedvt_method (MonoAotCompile *acfg, MonoMethod *method)
3501 /* One instantiation with valuetypes is generated for each async method */
3502 if (method->klass->image == mono_defaults.corlib && (!strcmp (method->klass->name, "AsyncMethodBuilderCore") || !strcmp (method->klass->name, "AsyncVoidMethodBuilder")))
3509 get_method_index (MonoAotCompile *acfg, MonoMethod *method)
3511 int index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_indexes, method));
3519 add_method_full (MonoAotCompile *acfg, MonoMethod *method, gboolean extra, int depth)
3523 index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_indexes, method));
3527 index = acfg->method_index;
3528 add_method_with_index (acfg, method, index, extra);
3530 g_ptr_array_add (acfg->method_order, GUINT_TO_POINTER (index));
3532 g_hash_table_insert (acfg->method_depth, method, GUINT_TO_POINTER (depth));
3534 acfg->method_index ++;
3540 add_method (MonoAotCompile *acfg, MonoMethod *method)
3542 return add_method_full (acfg, method, FALSE, 0);
3546 add_extra_method_with_depth (MonoAotCompile *acfg, MonoMethod *method, int depth)
3548 if (mono_method_is_generic_sharable_full (method, TRUE, TRUE, FALSE))
3549 method = mini_get_shared_method (method);
3550 else if ((acfg->opts & MONO_OPT_GSHAREDVT) && prefer_gsharedvt_method (acfg, method) && mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE))
3551 /* Use the gsharedvt version */
3552 method = mini_get_shared_method_full (method, TRUE, TRUE);
3554 if (acfg->aot_opts.log_generics)
3555 aot_printf (acfg, "%*sAdding method %s.\n", depth, "", mono_method_get_full_name (method));
3557 add_method_full (acfg, method, TRUE, depth);
3561 add_extra_method (MonoAotCompile *acfg, MonoMethod *method)
3563 add_extra_method_with_depth (acfg, method, 0);
3567 add_jit_icall_wrapper (gpointer key, gpointer value, gpointer user_data)
3569 MonoAotCompile *acfg = (MonoAotCompile *)user_data;
3570 MonoJitICallInfo *callinfo = (MonoJitICallInfo *)value;
3571 MonoMethod *wrapper;
3577 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
3578 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, TRUE);
3581 add_method (acfg, wrapper);
3585 get_runtime_invoke_sig (MonoMethodSignature *sig)
3587 MonoMethodBuilder *mb;
3590 mb = mono_mb_new (mono_defaults.object_class, "FOO", MONO_WRAPPER_NONE);
3591 m = mono_mb_create_method (mb, sig, 16);
3592 MonoMethod *invoke = mono_marshal_get_runtime_invoke (m, FALSE);
3598 get_runtime_invoke (MonoAotCompile *acfg, MonoMethod *method, gboolean virtual_)
3600 return mono_marshal_get_runtime_invoke (method, virtual_);
3604 can_marshal_struct (MonoClass *klass)
3606 MonoClassField *field;
3607 gboolean can_marshal = TRUE;
3608 gpointer iter = NULL;
3609 MonoMarshalType *info;
3612 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
3615 info = mono_marshal_load_type_info (klass);
3617 /* Only allow a few field types to avoid asserts in the marshalling code */
3618 while ((field = mono_class_get_fields (klass, &iter))) {
3619 if ((field->type->attrs & FIELD_ATTRIBUTE_STATIC))
3622 switch (field->type->type) {
3627 case MONO_TYPE_BOOLEAN:
3630 case MONO_TYPE_CHAR:
3638 case MONO_TYPE_STRING:
3640 case MONO_TYPE_VALUETYPE:
3641 if (!mono_class_from_mono_type (field->type)->enumtype && !can_marshal_struct (mono_class_from_mono_type (field->type)))
3642 can_marshal = FALSE;
3644 case MONO_TYPE_SZARRAY: {
3645 gboolean has_mspec = FALSE;
3648 for (i = 0; i < info->num_fields; ++i) {
3649 if (info->fields [i].field == field && info->fields [i].mspec)
3654 can_marshal = FALSE;
3658 can_marshal = FALSE;
3664 /* Its hard to compute whenever these can be marshalled or not */
3665 if (!strcmp (klass->name_space, "System.Net.NetworkInformation.MacOsStructs") && strcmp (klass->name, "sockaddr_dl"))
3672 create_gsharedvt_inst (MonoAotCompile *acfg, MonoMethod *method, MonoGenericContext *ctx)
3674 /* Create a vtype instantiation */
3675 MonoGenericContext shared_context;
3677 MonoGenericInst *inst;
3678 MonoGenericContainer *container;
3679 MonoClass **constraints;
3682 memset (ctx, 0, sizeof (MonoGenericContext));
3684 if (method->klass->generic_container) {
3685 shared_context = method->klass->generic_container->context;
3686 inst = shared_context.class_inst;
3688 args = g_new0 (MonoType*, inst->type_argc);
3689 for (i = 0; i < inst->type_argc; ++i) {
3690 args [i] = &mono_defaults.int_class->byval_arg;
3692 ctx->class_inst = mono_metadata_get_generic_inst (inst->type_argc, args);
3694 if (method->is_generic) {
3695 container = mono_method_get_generic_container (method);
3696 shared_context = container->context;
3697 inst = shared_context.method_inst;
3699 args = g_new0 (MonoType*, inst->type_argc);
3700 for (i = 0; i < container->type_argc; ++i) {
3701 MonoGenericParamInfo *info = &container->type_params [i].info;
3702 gboolean ref_only = FALSE;
3704 if (info && info->constraints) {
3705 constraints = info->constraints;
3707 while (*constraints) {
3708 MonoClass *cklass = *constraints;
3709 if (!(cklass == mono_defaults.object_class || (cklass->image == mono_defaults.corlib && !strcmp (cklass->name, "ValueType"))))
3710 /* Inflaring the method with our vtype would not be valid */
3717 args [i] = &mono_defaults.object_class->byval_arg;
3719 args [i] = &mono_defaults.int_class->byval_arg;
3721 ctx->method_inst = mono_metadata_get_generic_inst (inst->type_argc, args);
3726 add_wrappers (MonoAotCompile *acfg)
3728 MonoMethod *method, *m;
3730 MonoMethodSignature *sig, *csig;
3734 * FIXME: Instead of AOTing all the wrappers, it might be better to redesign them
3735 * so there is only one wrapper of a given type, or inlining their contents into their
3738 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
3741 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
3742 gboolean skip = FALSE;
3744 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
3745 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
3747 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
3748 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
3749 (method->flags & METHOD_ATTRIBUTE_ABSTRACT))
3752 /* Skip methods which can not be handled by get_runtime_invoke () */
3753 sig = mono_method_signature (method);
3756 if ((sig->ret->type == MONO_TYPE_PTR) ||
3757 (sig->ret->type == MONO_TYPE_TYPEDBYREF))
3759 if (mono_class_is_open_constructed_type (sig->ret))
3762 for (j = 0; j < sig->param_count; j++) {
3763 if (sig->params [j]->type == MONO_TYPE_TYPEDBYREF)
3765 if (mono_class_is_open_constructed_type (sig->params [j]))
3769 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
3770 if (!mono_class_is_contextbound (method->klass)) {
3771 MonoDynCallInfo *info = mono_arch_dyn_call_prepare (sig);
3772 gboolean has_nullable = FALSE;
3774 for (j = 0; j < sig->param_count; j++) {
3775 if (sig->params [j]->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (sig->params [j])))
3776 has_nullable = TRUE;
3779 if (info && !has_nullable && !acfg->aot_opts.llvm_only) {
3780 /* Supported by the dynamic runtime-invoke wrapper */
3784 mono_arch_dyn_call_free (info);
3788 if (acfg->aot_opts.llvm_only)
3789 /* Supported by the gsharedvt based runtime-invoke wrapper */
3793 //printf ("%s\n", mono_method_full_name (method, TRUE));
3794 add_method (acfg, get_runtime_invoke (acfg, method, FALSE));
3798 if (strcmp (acfg->image->assembly->aname.name, "mscorlib") == 0) {
3801 /* Runtime invoke wrappers */
3803 /* void runtime-invoke () [.cctor] */
3804 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3805 csig->ret = &mono_defaults.void_class->byval_arg;
3806 add_method (acfg, get_runtime_invoke_sig (csig));
3808 /* void runtime-invoke () [Finalize] */
3809 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3811 csig->ret = &mono_defaults.void_class->byval_arg;
3812 add_method (acfg, get_runtime_invoke_sig (csig));
3814 /* void runtime-invoke (string) [exception ctor] */
3815 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
3817 csig->ret = &mono_defaults.void_class->byval_arg;
3818 csig->params [0] = &mono_defaults.string_class->byval_arg;
3819 add_method (acfg, get_runtime_invoke_sig (csig));
3821 /* void runtime-invoke (string, string) [exception ctor] */
3822 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
3824 csig->ret = &mono_defaults.void_class->byval_arg;
3825 csig->params [0] = &mono_defaults.string_class->byval_arg;
3826 csig->params [1] = &mono_defaults.string_class->byval_arg;
3827 add_method (acfg, get_runtime_invoke_sig (csig));
3829 /* string runtime-invoke () [Exception.ToString ()] */
3830 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3832 csig->ret = &mono_defaults.string_class->byval_arg;
3833 add_method (acfg, get_runtime_invoke_sig (csig));
3835 /* void runtime-invoke (string, Exception) [exception ctor] */
3836 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
3838 csig->ret = &mono_defaults.void_class->byval_arg;
3839 csig->params [0] = &mono_defaults.string_class->byval_arg;
3840 csig->params [1] = &mono_defaults.exception_class->byval_arg;
3841 add_method (acfg, get_runtime_invoke_sig (csig));
3843 /* Assembly runtime-invoke (string, bool) [DoAssemblyResolve] */
3844 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
3846 csig->ret = &(mono_class_load_from_name (
3847 mono_defaults.corlib, "System.Reflection", "Assembly"))->byval_arg;
3848 csig->params [0] = &mono_defaults.string_class->byval_arg;
3849 csig->params [1] = &mono_defaults.boolean_class->byval_arg;
3850 add_method (acfg, get_runtime_invoke_sig (csig));
3852 /* runtime-invoke used by finalizers */
3853 add_method (acfg, get_runtime_invoke (acfg, mono_class_get_method_from_name_flags (mono_defaults.object_class, "Finalize", 0, 0), TRUE));
3855 /* This is used by mono_runtime_capture_context () */
3856 method = mono_get_context_capture_method ();
3858 add_method (acfg, get_runtime_invoke (acfg, method, FALSE));
3860 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
3861 if (!acfg->aot_opts.llvm_only)
3862 add_method (acfg, mono_marshal_get_runtime_invoke_dynamic ());
3865 /* These are used by mono_jit_runtime_invoke () to calls gsharedvt out wrappers */
3866 if (acfg->aot_opts.llvm_only) {
3869 /* Create simplified signatures which match the signature used by the gsharedvt out wrappers */
3870 for (variants = 0; variants < 4; ++variants) {
3871 for (i = 0; i < 16; ++i) {
3872 sig = mini_get_gsharedvt_out_sig_wrapper_signature ((variants & 1) > 0, (variants & 2) > 0, i);
3873 add_extra_method (acfg, mono_marshal_get_runtime_invoke_for_sig (sig));
3881 add_method (acfg, mono_marshal_get_stelemref ());
3883 if (MONO_ARCH_HAVE_TLS_GET) {
3884 /* Managed Allocators */
3885 nallocators = mono_gc_get_managed_allocator_types ();
3886 for (i = 0; i < nallocators; ++i) {
3887 if ((m = mono_gc_get_managed_allocator_by_type (i, MANAGED_ALLOCATOR_REGULAR)))
3888 add_method (acfg, m);
3889 if ((m = mono_gc_get_managed_allocator_by_type (i, MANAGED_ALLOCATOR_SLOW_PATH)))
3890 add_method (acfg, m);
3894 /* write barriers */
3895 if (mono_gc_is_moving ()) {
3896 add_method (acfg, mono_gc_get_specific_write_barrier (FALSE));
3897 add_method (acfg, mono_gc_get_specific_write_barrier (TRUE));
3900 /* Stelemref wrappers */
3902 MonoMethod **wrappers;
3905 wrappers = mono_marshal_get_virtual_stelemref_wrappers (&nwrappers);
3906 for (i = 0; i < nwrappers; ++i)
3907 add_method (acfg, wrappers [i]);
3911 /* castclass_with_check wrapper */
3912 add_method (acfg, mono_marshal_get_castclass_with_cache ());
3913 /* isinst_with_check wrapper */
3914 add_method (acfg, mono_marshal_get_isinst_with_cache ());
3916 /* JIT icall wrappers */
3917 /* FIXME: locking - this is "safe" as full-AOT threads don't mutate the icall hash*/
3918 g_hash_table_foreach (mono_get_jit_icall_info (), add_jit_icall_wrapper, acfg);
3922 * remoting-invoke-with-check wrappers are very frequent, so avoid emitting them,
3923 * we use the original method instead at runtime.
3924 * Since full-aot doesn't support remoting, this is not a problem.
3927 /* remoting-invoke wrappers */
3928 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
3930 MonoMethodSignature *sig;
3932 token = MONO_TOKEN_METHOD_DEF | (i + 1);
3933 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
3934 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3936 sig = mono_method_signature (method);
3938 if (sig->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class)) {
3939 m = mono_marshal_get_remoting_invoke_with_check (method);
3941 add_method (acfg, m);
3946 /* delegate-invoke wrappers */
3947 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
3950 MonoCustomAttrInfo *cattr;
3952 token = MONO_TOKEN_TYPE_DEF | (i + 1);
3953 klass = mono_class_get_checked (acfg->image, token, &error);
3956 mono_error_cleanup (&error);
3960 if (!klass->delegate || klass == mono_defaults.delegate_class || klass == mono_defaults.multicastdelegate_class)
3963 if (!klass->generic_container) {
3964 method = mono_get_delegate_invoke (klass);
3966 m = mono_marshal_get_delegate_invoke (method, NULL);
3968 add_method (acfg, m);
3970 method = mono_class_get_method_from_name_flags (klass, "BeginInvoke", -1, 0);
3972 add_method (acfg, mono_marshal_get_delegate_begin_invoke (method));
3974 method = mono_class_get_method_from_name_flags (klass, "EndInvoke", -1, 0);
3976 add_method (acfg, mono_marshal_get_delegate_end_invoke (method));
3978 cattr = mono_custom_attrs_from_class_checked (klass, &error);
3979 if (!is_ok (&error)) {
3980 mono_error_cleanup (&error);
3987 for (j = 0; j < cattr->num_attrs; ++j)
3988 if (cattr->attrs [j].ctor && (!strcmp (cattr->attrs [j].ctor->klass->name, "MonoNativeFunctionWrapperAttribute") || !strcmp (cattr->attrs [j].ctor->klass->name, "UnmanagedFunctionPointerAttribute")))
3990 if (j < cattr->num_attrs) {
3992 MonoMethod *wrapper;
3993 MonoMethod *del_invoke;
3995 /* Add wrappers needed by mono_ftnptr_to_delegate () */
3996 invoke = mono_get_delegate_invoke (klass);
3997 wrapper = mono_marshal_get_native_func_wrapper_aot (klass);
3998 del_invoke = mono_marshal_get_delegate_invoke_internal (invoke, FALSE, TRUE, wrapper);
3999 add_method (acfg, wrapper);
4000 add_method (acfg, del_invoke);
4003 } else if ((acfg->opts & MONO_OPT_GSHAREDVT) && klass->generic_container) {
4005 MonoGenericContext ctx;
4006 MonoMethod *inst, *gshared;
4009 * Emit gsharedvt versions of the generic delegate-invoke wrappers
4012 method = mono_get_delegate_invoke (klass);
4013 create_gsharedvt_inst (acfg, method, &ctx);
4015 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4016 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4018 m = mono_marshal_get_delegate_invoke (inst, NULL);
4019 g_assert (m->is_inflated);
4021 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4022 add_extra_method (acfg, gshared);
4025 method = mono_get_delegate_begin_invoke (klass);
4026 create_gsharedvt_inst (acfg, method, &ctx);
4028 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4029 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4031 m = mono_marshal_get_delegate_begin_invoke (inst);
4032 g_assert (m->is_inflated);
4034 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4035 add_extra_method (acfg, gshared);
4038 method = mono_get_delegate_end_invoke (klass);
4039 create_gsharedvt_inst (acfg, method, &ctx);
4041 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4042 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4044 m = mono_marshal_get_delegate_end_invoke (inst);
4045 g_assert (m->is_inflated);
4047 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4048 add_extra_method (acfg, gshared);
4053 /* array access wrappers */
4054 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPESPEC].rows; ++i) {
4058 token = MONO_TOKEN_TYPE_SPEC | (i + 1);
4059 klass = mono_class_get_checked (acfg->image, token, &error);
4062 mono_error_cleanup (&error);
4066 if (klass->rank && MONO_TYPE_IS_PRIMITIVE (&klass->element_class->byval_arg)) {
4067 MonoMethod *m, *wrapper;
4069 /* Add runtime-invoke wrappers too */
4071 m = mono_class_get_method_from_name (klass, "Get", -1);
4073 wrapper = mono_marshal_get_array_accessor_wrapper (m);
4074 add_extra_method (acfg, wrapper);
4075 if (!acfg->aot_opts.llvm_only)
4076 add_extra_method (acfg, get_runtime_invoke (acfg, wrapper, FALSE));
4078 m = mono_class_get_method_from_name (klass, "Set", -1);
4080 wrapper = mono_marshal_get_array_accessor_wrapper (m);
4081 add_extra_method (acfg, wrapper);
4082 if (!acfg->aot_opts.llvm_only)
4083 add_extra_method (acfg, get_runtime_invoke (acfg, wrapper, FALSE));
4087 /* Synchronized wrappers */
4088 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
4090 token = MONO_TOKEN_METHOD_DEF | (i + 1);
4091 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4092 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
4094 if (method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) {
4095 if (method->is_generic) {
4097 } else if ((acfg->opts & MONO_OPT_GSHAREDVT) && method->klass->generic_container) {
4099 MonoGenericContext ctx;
4100 MonoMethod *inst, *gshared, *m;
4103 * Create a generic wrapper for a generic instance, and AOT that.
4105 create_gsharedvt_inst (acfg, method, &ctx);
4106 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4107 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4108 m = mono_marshal_get_synchronized_wrapper (inst);
4109 g_assert (m->is_inflated);
4110 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4111 add_method (acfg, gshared);
4113 add_method (acfg, mono_marshal_get_synchronized_wrapper (method));
4118 /* pinvoke wrappers */
4119 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
4122 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
4124 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4125 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
4127 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
4128 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)) {
4129 add_method (acfg, mono_marshal_get_native_wrapper (method, TRUE, TRUE));
4133 /* native-to-managed wrappers */
4134 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
4137 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
4138 MonoCustomAttrInfo *cattr;
4141 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4142 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
4145 * Only generate native-to-managed wrappers for methods which have an
4146 * attribute named MonoPInvokeCallbackAttribute. We search for the attribute by
4147 * name to avoid defining a new assembly to contain it.
4149 cattr = mono_custom_attrs_from_method_checked (method, &error);
4150 if (!is_ok (&error)) {
4151 char *name = mono_method_get_full_name (method);
4152 report_loader_error (acfg, &error, "Failed to load custom attributes from method %s due to %s\n", name, mono_error_get_message (&error));
4157 for (j = 0; j < cattr->num_attrs; ++j)
4158 if (cattr->attrs [j].ctor && !strcmp (cattr->attrs [j].ctor->klass->name, "MonoPInvokeCallbackAttribute"))
4160 if (j < cattr->num_attrs) {
4161 MonoCustomAttrEntry *e = &cattr->attrs [j];
4162 MonoMethodSignature *sig = mono_method_signature (e->ctor);
4163 const char *p = (const char*)e->data;
4165 int slen, num_named, named_type;
4169 char *export_name = NULL;
4170 MonoMethod *wrapper;
4172 /* this cannot be enforced by the C# compiler so we must give the user some warning before aborting */
4173 if (!(method->flags & METHOD_ATTRIBUTE_STATIC)) {
4174 g_warning ("AOT restriction: Method '%s' must be static since it is decorated with [MonoPInvokeCallback]. See http://ios.xamarin.com/Documentation/Limitations#Reverse_Callbacks",
4175 mono_method_full_name (method, TRUE));
4179 g_assert (sig->param_count == 1);
4180 g_assert (sig->params [0]->type == MONO_TYPE_CLASS && !strcmp (mono_class_from_mono_type (sig->params [0])->name, "Type"));
4183 * Decode the cattr manually since we can't create objects
4184 * during aot compilation.
4190 /* From load_cattr_value () in reflection.c */
4191 slen = mono_metadata_decode_value (p, &p);
4192 n = (char *)g_memdup (p, slen + 1);
4194 t = mono_reflection_type_from_name_checked (n, acfg->image, &error);
4196 mono_error_assert_ok (&error);
4199 klass = mono_class_from_mono_type (t);
4200 g_assert (klass->parent == mono_defaults.multicastdelegate_class);
4204 num_named = read16 (p);
4207 g_assert (num_named < 2);
4208 if (num_named == 1) {
4212 /* parse ExportSymbol attribute */
4214 named_type = *named;
4216 /* data_type = *named; */
4219 name_len = mono_metadata_decode_blob_size (named, &named);
4220 name = (char *)g_malloc (name_len + 1);
4221 memcpy (name, named, name_len);
4222 name [name_len] = 0;
4225 g_assert (named_type == 0x54);
4226 g_assert (!strcmp (name, "ExportSymbol"));
4228 /* load_cattr_value (), string case */
4229 g_assert (*named != (char)0xff);
4230 slen = mono_metadata_decode_value (named, &named);
4231 export_name = (char *)g_malloc (slen + 1);
4232 memcpy (export_name, named, slen);
4233 export_name [slen] = 0;
4237 wrapper = mono_marshal_get_managed_wrapper (method, klass, 0);
4238 add_method (acfg, wrapper);
4240 g_hash_table_insert (acfg->export_names, wrapper, export_name);
4245 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
4246 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)) {
4247 add_method (acfg, mono_marshal_get_native_wrapper (method, TRUE, TRUE));
4251 /* StructureToPtr/PtrToStructure wrappers */
4252 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
4256 token = MONO_TOKEN_TYPE_DEF | (i + 1);
4257 klass = mono_class_get_checked (acfg->image, token, &error);
4260 mono_error_cleanup (&error);
4264 if (klass->valuetype && !klass->generic_container && can_marshal_struct (klass) &&
4265 !(klass->nested_in && strstr (klass->nested_in->name, "<PrivateImplementationDetails>") == klass->nested_in->name)) {
4266 add_method (acfg, mono_marshal_get_struct_to_ptr (klass));
4267 add_method (acfg, mono_marshal_get_ptr_to_struct (klass));
4273 has_type_vars (MonoClass *klass)
4275 if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR))
4278 return has_type_vars (klass->element_class);
4279 if (klass->generic_class) {
4280 MonoGenericContext *context = &klass->generic_class->context;
4281 if (context->class_inst) {
4284 for (i = 0; i < context->class_inst->type_argc; ++i)
4285 if (has_type_vars (mono_class_from_mono_type (context->class_inst->type_argv [i])))
4289 if (klass->generic_container)
4295 is_vt_inst (MonoGenericInst *inst)
4299 for (i = 0; i < inst->type_argc; ++i) {
4300 MonoType *t = inst->type_argv [i];
4301 if (MONO_TYPE_ISSTRUCT (t) || t->type == MONO_TYPE_VALUETYPE)
4308 method_has_type_vars (MonoMethod *method)
4310 if (has_type_vars (method->klass))
4313 if (method->is_inflated) {
4314 MonoGenericContext *context = mono_method_get_context (method);
4315 if (context->method_inst) {
4318 for (i = 0; i < context->method_inst->type_argc; ++i)
4319 if (has_type_vars (mono_class_from_mono_type (context->method_inst->type_argv [i])))
4327 gboolean mono_aot_mode_is_full (MonoAotOptions *opts)
4329 return opts->mode == MONO_AOT_MODE_FULL;
4332 static void add_generic_class_with_depth (MonoAotCompile *acfg, MonoClass *klass, int depth, const char *ref);
4335 add_generic_class (MonoAotCompile *acfg, MonoClass *klass, gboolean force, const char *ref)
4337 /* This might lead to a huge code blowup so only do it if neccesary */
4338 if (!mono_aot_mode_is_full (&acfg->aot_opts) && !force)
4341 add_generic_class_with_depth (acfg, klass, 0, ref);
4345 check_type_depth (MonoType *t, int depth)
4353 case MONO_TYPE_GENERICINST: {
4354 MonoGenericClass *gklass = t->data.generic_class;
4355 MonoGenericInst *ginst = gklass->context.class_inst;
4358 for (i = 0; i < ginst->type_argc; ++i) {
4359 if (check_type_depth (ginst->type_argv [i], depth + 1))
4373 add_types_from_method_header (MonoAotCompile *acfg, MonoMethod *method);
4376 * add_generic_class:
4378 * Add all methods of a generic class.
4381 add_generic_class_with_depth (MonoAotCompile *acfg, MonoClass *klass, int depth, const char *ref)
4384 MonoClassField *field;
4386 gboolean use_gsharedvt = FALSE;
4388 if (!acfg->ginst_hash)
4389 acfg->ginst_hash = g_hash_table_new (NULL, NULL);
4391 mono_class_init (klass);
4393 if (klass->generic_class && klass->generic_class->context.class_inst->is_open)
4396 if (has_type_vars (klass))
4399 if (!klass->generic_class && !klass->rank)
4402 if (mono_class_has_failure (klass))
4405 if (!acfg->ginst_hash)
4406 acfg->ginst_hash = g_hash_table_new (NULL, NULL);
4408 if (g_hash_table_lookup (acfg->ginst_hash, klass))
4411 if (check_type_depth (&klass->byval_arg, 0))
4414 if (acfg->aot_opts.log_generics)
4415 aot_printf (acfg, "%*sAdding generic instance %s [%s].\n", depth, "", mono_type_full_name (&klass->byval_arg), ref);
4417 g_hash_table_insert (acfg->ginst_hash, klass, klass);
4420 * Use gsharedvt for generic collections with vtype arguments to avoid code blowup.
4421 * Enable this only for some classes since gsharedvt might not support all methods.
4423 if ((acfg->opts & MONO_OPT_GSHAREDVT) && klass->image == mono_defaults.corlib && klass->generic_class && klass->generic_class->context.class_inst && is_vt_inst (klass->generic_class->context.class_inst) &&
4424 (!strcmp (klass->name, "Dictionary`2") || !strcmp (klass->name, "List`1") || !strcmp (klass->name, "ReadOnlyCollection`1")))
4425 use_gsharedvt = TRUE;
4428 while ((method = mono_class_get_methods (klass, &iter))) {
4429 if ((acfg->opts & MONO_OPT_GSHAREDVT) && method->is_inflated && mono_method_get_context (method)->method_inst) {
4431 * This is partial sharing, and we can't handle it yet
4436 if (mono_method_is_generic_sharable_full (method, FALSE, FALSE, use_gsharedvt)) {
4438 add_types_from_method_header (acfg, method);
4442 if (method->is_generic)
4447 * FIXME: Instances which are referenced by these methods are not added,
4448 * for example Array.Resize<int> for List<int>.Add ().
4450 add_extra_method_with_depth (acfg, method, depth + 1);
4454 while ((field = mono_class_get_fields (klass, &iter))) {
4455 if (field->type->type == MONO_TYPE_GENERICINST)
4456 add_generic_class_with_depth (acfg, mono_class_from_mono_type (field->type), depth + 1, "field");
4459 if (klass->delegate) {
4460 method = mono_get_delegate_invoke (klass);
4462 method = mono_marshal_get_delegate_invoke (method, NULL);
4464 if (acfg->aot_opts.log_generics)
4465 aot_printf (acfg, "%*sAdding method %s.\n", depth, "", mono_method_get_full_name (method));
4467 add_method (acfg, method);
4470 /* Add superclasses */
4472 add_generic_class_with_depth (acfg, klass->parent, depth, "parent");
4475 * For ICollection<T>, add instances of the helper methods
4476 * in Array, since a T[] could be cast to ICollection<T>.
4478 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") &&
4479 (!strcmp(klass->name, "ICollection`1") || !strcmp (klass->name, "IEnumerable`1") || !strcmp (klass->name, "IList`1") || !strcmp (klass->name, "IEnumerator`1") || !strcmp (klass->name, "IReadOnlyList`1"))) {
4480 MonoClass *tclass = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4481 MonoClass *array_class = mono_bounded_array_class_get (tclass, 1, FALSE);
4485 if (!strcmp (klass->name, "IEnumerator`1"))
4486 name_prefix = g_strdup_printf ("%s.%s", klass->name_space, "IEnumerable`1");
4488 name_prefix = g_strdup_printf ("%s.%s", klass->name_space, klass->name);
4490 /* Add the T[]/InternalEnumerator class */
4491 if (!strcmp (klass->name, "IEnumerable`1") || !strcmp (klass->name, "IEnumerator`1")) {
4496 while ((nclass = mono_class_get_nested_types (array_class->parent, &iter))) {
4497 if (!strcmp (nclass->name, "InternalEnumerator`1"))
4501 nclass = mono_class_inflate_generic_class_checked (nclass, mono_generic_class_get_context (klass->generic_class), &error);
4502 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4503 add_generic_class (acfg, nclass, FALSE, "ICollection<T>");
4507 while ((method = mono_class_get_methods (array_class, &iter))) {
4508 if (strstr (method->name, name_prefix)) {
4509 MonoMethod *m = mono_aot_get_array_helper_from_wrapper (method);
4511 add_extra_method_with_depth (acfg, m, depth);
4515 g_free (name_prefix);
4518 /* Add an instance of GenericComparer<T> which is created dynamically by Comparer<T> */
4519 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "Comparer`1")) {
4521 MonoClass *tclass = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4522 MonoClass *icomparable, *gcomparer, *icomparable_inst;
4523 MonoGenericContext ctx;
4524 MonoType *args [16];
4526 memset (&ctx, 0, sizeof (ctx));
4528 icomparable = mono_class_load_from_name (mono_defaults.corlib, "System", "IComparable`1");
4530 args [0] = &tclass->byval_arg;
4531 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4533 icomparable_inst = mono_class_inflate_generic_class_checked (icomparable, &ctx, &error);
4534 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4536 if (mono_class_is_assignable_from (icomparable_inst, tclass)) {
4537 MonoClass *gcomparer_inst;
4538 gcomparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "GenericComparer`1");
4539 gcomparer_inst = mono_class_inflate_generic_class_checked (gcomparer, &ctx, &error);
4540 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4542 add_generic_class (acfg, gcomparer_inst, FALSE, "Comparer<T>");
4546 /* Add an instance of GenericEqualityComparer<T> which is created dynamically by EqualityComparer<T> */
4547 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "EqualityComparer`1")) {
4549 MonoClass *tclass = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4550 MonoClass *iface, *gcomparer, *iface_inst;
4551 MonoGenericContext ctx;
4552 MonoType *args [16];
4554 memset (&ctx, 0, sizeof (ctx));
4556 iface = mono_class_load_from_name (mono_defaults.corlib, "System", "IEquatable`1");
4558 args [0] = &tclass->byval_arg;
4559 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4561 iface_inst = mono_class_inflate_generic_class_checked (iface, &ctx, &error);
4562 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4564 if (mono_class_is_assignable_from (iface_inst, tclass)) {
4565 MonoClass *gcomparer_inst;
4568 gcomparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "GenericEqualityComparer`1");
4569 gcomparer_inst = mono_class_inflate_generic_class_checked (gcomparer, &ctx, &error);
4570 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4571 add_generic_class (acfg, gcomparer_inst, FALSE, "EqualityComparer<T>");
4575 /* Add an instance of EnumComparer<T> which is created dynamically by EqualityComparer<T> for enums */
4576 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "EqualityComparer`1")) {
4577 MonoClass *enum_comparer;
4578 MonoClass *tclass = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4579 MonoGenericContext ctx;
4580 MonoType *args [16];
4582 if (mono_class_is_enum (tclass)) {
4583 MonoClass *enum_comparer_inst;
4586 memset (&ctx, 0, sizeof (ctx));
4587 args [0] = &tclass->byval_arg;
4588 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4590 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "EnumEqualityComparer`1");
4591 enum_comparer_inst = mono_class_inflate_generic_class_checked (enum_comparer, &ctx, &error);
4592 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4593 add_generic_class (acfg, enum_comparer_inst, FALSE, "EqualityComparer<T>");
4597 /* Add an instance of ObjectComparer<T> which is created dynamically by Comparer<T> for enums */
4598 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "Comparer`1")) {
4599 MonoClass *comparer;
4600 MonoClass *tclass = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4601 MonoGenericContext ctx;
4602 MonoType *args [16];
4604 if (mono_class_is_enum (tclass)) {
4605 MonoClass *comparer_inst;
4608 memset (&ctx, 0, sizeof (ctx));
4609 args [0] = &tclass->byval_arg;
4610 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4612 comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "ObjectComparer`1");
4613 comparer_inst = mono_class_inflate_generic_class_checked (comparer, &ctx, &error);
4614 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4615 add_generic_class (acfg, comparer_inst, FALSE, "Comparer<T>");
4621 add_instances_of (MonoAotCompile *acfg, MonoClass *klass, MonoType **insts, int ninsts, gboolean force)
4624 MonoGenericContext ctx;
4625 MonoType *args [16];
4627 if (acfg->aot_opts.no_instances)
4630 memset (&ctx, 0, sizeof (ctx));
4632 for (i = 0; i < ninsts; ++i) {
4634 MonoClass *generic_inst;
4635 args [0] = insts [i];
4636 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4637 generic_inst = mono_class_inflate_generic_class_checked (klass, &ctx, &error);
4638 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4639 add_generic_class (acfg, generic_inst, force, "");
4644 add_types_from_method_header (MonoAotCompile *acfg, MonoMethod *method)
4647 MonoMethodHeader *header;
4648 MonoMethodSignature *sig;
4651 depth = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_depth, method));
4653 sig = mono_method_signature (method);
4656 for (j = 0; j < sig->param_count; ++j)
4657 if (sig->params [j]->type == MONO_TYPE_GENERICINST)
4658 add_generic_class_with_depth (acfg, mono_class_from_mono_type (sig->params [j]), depth + 1, "arg");
4661 header = mono_method_get_header_checked (method, &error);
4664 for (j = 0; j < header->num_locals; ++j)
4665 if (header->locals [j]->type == MONO_TYPE_GENERICINST)
4666 add_generic_class_with_depth (acfg, mono_class_from_mono_type (header->locals [j]), depth + 1, "local");
4667 mono_metadata_free_mh (header);
4669 mono_error_cleanup (&error); /* FIXME report the error */
4675 * add_generic_instances:
4677 * Add instances referenced by the METHODSPEC/TYPESPEC table.
4680 add_generic_instances (MonoAotCompile *acfg)
4685 MonoGenericContext *context;
4687 if (acfg->aot_opts.no_instances)
4690 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHODSPEC].rows; ++i) {
4692 token = MONO_TOKEN_METHOD_SPEC | (i + 1);
4693 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4696 aot_printerrf (acfg, "Failed to load methodspec 0x%x due to %s.\n", token, mono_error_get_message (&error));
4697 aot_printerrf (acfg, "Run with MONO_LOG_LEVEL=debug for more information.\n");
4698 mono_error_cleanup (&error);
4702 if (method->klass->image != acfg->image)
4705 context = mono_method_get_context (method);
4707 if (context && ((context->class_inst && context->class_inst->is_open)))
4711 * For open methods, create an instantiation which can be passed to the JIT.
4712 * FIXME: Handle class_inst as well.
4714 if (context && context->method_inst && context->method_inst->is_open) {
4716 MonoGenericContext shared_context;
4717 MonoGenericInst *inst;
4718 MonoType **type_argv;
4720 MonoMethod *declaring_method;
4721 gboolean supported = TRUE;
4723 /* Check that the context doesn't contain open constructed types */
4724 if (context->class_inst) {
4725 inst = context->class_inst;
4726 for (i = 0; i < inst->type_argc; ++i) {
4727 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
4729 if (mono_class_is_open_constructed_type (inst->type_argv [i]))
4733 if (context->method_inst) {
4734 inst = context->method_inst;
4735 for (i = 0; i < inst->type_argc; ++i) {
4736 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
4738 if (mono_class_is_open_constructed_type (inst->type_argv [i]))
4746 memset (&shared_context, 0, sizeof (MonoGenericContext));
4748 inst = context->class_inst;
4750 type_argv = g_new0 (MonoType*, inst->type_argc);
4751 for (i = 0; i < inst->type_argc; ++i) {
4752 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
4753 type_argv [i] = &mono_defaults.object_class->byval_arg;
4755 type_argv [i] = inst->type_argv [i];
4758 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4762 inst = context->method_inst;
4764 type_argv = g_new0 (MonoType*, inst->type_argc);
4765 for (i = 0; i < inst->type_argc; ++i) {
4766 if (MONO_TYPE_IS_REFERENCE (inst->type_argv [i]) || inst->type_argv [i]->type == MONO_TYPE_VAR || inst->type_argv [i]->type == MONO_TYPE_MVAR)
4767 type_argv [i] = &mono_defaults.object_class->byval_arg;
4769 type_argv [i] = inst->type_argv [i];
4772 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4776 if (method->is_generic || method->klass->generic_container)
4777 declaring_method = method;
4779 declaring_method = mono_method_get_declaring_generic_method (method);
4781 method = mono_class_inflate_generic_method_checked (declaring_method, &shared_context, &error);
4782 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4786 * If the method is fully sharable, it was already added in place of its
4787 * generic definition.
4789 if (mono_method_is_generic_sharable_full (method, FALSE, FALSE, FALSE))
4793 * FIXME: Partially shared methods are not shared here, so we end up with
4794 * many identical methods.
4796 add_extra_method (acfg, method);
4799 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPESPEC].rows; ++i) {
4803 token = MONO_TOKEN_TYPE_SPEC | (i + 1);
4805 klass = mono_class_get_checked (acfg->image, token, &error);
4806 if (!klass || klass->rank) {
4807 mono_error_cleanup (&error);
4811 add_generic_class (acfg, klass, FALSE, "typespec");
4814 /* Add types of args/locals */
4815 for (i = 0; i < acfg->methods->len; ++i) {
4816 method = (MonoMethod *)g_ptr_array_index (acfg->methods, i);
4817 add_types_from_method_header (acfg, method);
4820 if (acfg->image == mono_defaults.corlib) {
4822 MonoType *insts [256];
4825 insts [ninsts ++] = &mono_defaults.byte_class->byval_arg;
4826 insts [ninsts ++] = &mono_defaults.sbyte_class->byval_arg;
4827 insts [ninsts ++] = &mono_defaults.int16_class->byval_arg;
4828 insts [ninsts ++] = &mono_defaults.uint16_class->byval_arg;
4829 insts [ninsts ++] = &mono_defaults.int32_class->byval_arg;
4830 insts [ninsts ++] = &mono_defaults.uint32_class->byval_arg;
4831 insts [ninsts ++] = &mono_defaults.int64_class->byval_arg;
4832 insts [ninsts ++] = &mono_defaults.uint64_class->byval_arg;
4833 insts [ninsts ++] = &mono_defaults.single_class->byval_arg;
4834 insts [ninsts ++] = &mono_defaults.double_class->byval_arg;
4835 insts [ninsts ++] = &mono_defaults.char_class->byval_arg;
4836 insts [ninsts ++] = &mono_defaults.boolean_class->byval_arg;
4838 /* Add GenericComparer<T> instances for primitive types for Enum.ToString () */
4839 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "GenericComparer`1");
4841 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4842 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "GenericEqualityComparer`1");
4844 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4846 /* Add instances of EnumEqualityComparer which are created by EqualityComparer<T> for enums */
4848 MonoClass *enum_comparer;
4849 MonoType *insts [16];
4853 insts [ninsts ++] = &mono_defaults.int32_class->byval_arg;
4854 insts [ninsts ++] = &mono_defaults.uint32_class->byval_arg;
4855 insts [ninsts ++] = &mono_defaults.uint16_class->byval_arg;
4856 insts [ninsts ++] = &mono_defaults.byte_class->byval_arg;
4857 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "EnumEqualityComparer`1");
4858 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4861 insts [ninsts ++] = &mono_defaults.int16_class->byval_arg;
4862 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "ShortEnumEqualityComparer`1");
4863 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4866 insts [ninsts ++] = &mono_defaults.sbyte_class->byval_arg;
4867 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "SByteEnumEqualityComparer`1");
4868 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4870 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "LongEnumEqualityComparer`1");
4872 insts [ninsts ++] = &mono_defaults.int64_class->byval_arg;
4873 insts [ninsts ++] = &mono_defaults.uint64_class->byval_arg;
4874 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4877 /* Add instances of the array generic interfaces for primitive types */
4878 /* This will add instances of the InternalArray_ helper methods in Array too */
4879 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "ICollection`1");
4881 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4883 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "IList`1");
4885 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4887 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "IEnumerable`1");
4889 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4892 * Add a managed-to-native wrapper of Array.GetGenericValueImpl<object>, which is
4893 * used for all instances of GetGenericValueImpl by the AOT runtime.
4896 MonoGenericContext ctx;
4897 MonoType *args [16];
4898 MonoMethod *get_method;
4899 MonoClass *array_klass = mono_array_class_get (mono_defaults.object_class, 1)->parent;
4901 get_method = mono_class_get_method_from_name (array_klass, "GetGenericValueImpl", 2);
4905 memset (&ctx, 0, sizeof (ctx));
4906 args [0] = &mono_defaults.object_class->byval_arg;
4907 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4908 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (get_method, &ctx, &error), TRUE, TRUE));
4909 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4913 /* Same for CompareExchange<T>/Exchange<T> */
4915 MonoGenericContext ctx;
4916 MonoType *args [16];
4918 MonoClass *interlocked_klass = mono_class_load_from_name (mono_defaults.corlib, "System.Threading", "Interlocked");
4919 gpointer iter = NULL;
4921 while ((m = mono_class_get_methods (interlocked_klass, &iter))) {
4922 if ((!strcmp (m->name, "CompareExchange") || !strcmp (m->name, "Exchange")) && m->is_generic) {
4924 memset (&ctx, 0, sizeof (ctx));
4925 args [0] = &mono_defaults.object_class->byval_arg;
4926 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4927 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m, &ctx, &error), TRUE, TRUE));
4928 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4933 /* Same for Volatile.Read/Write<T> */
4935 MonoGenericContext ctx;
4936 MonoType *args [16];
4938 MonoClass *volatile_klass = mono_class_try_load_from_name (mono_defaults.corlib, "System.Threading", "Volatile");
4939 gpointer iter = NULL;
4941 if (volatile_klass) {
4942 while ((m = mono_class_get_methods (volatile_klass, &iter))) {
4943 if ((!strcmp (m->name, "Read") || !strcmp (m->name, "Write")) && m->is_generic) {
4945 memset (&ctx, 0, sizeof (ctx));
4946 args [0] = &mono_defaults.object_class->byval_arg;
4947 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4948 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m, &ctx, &error), TRUE, TRUE));
4949 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4955 /* object[] accessor wrappers. */
4956 for (i = 1; i < 4; ++i) {
4957 MonoClass *obj_array_class = mono_array_class_get (mono_defaults.object_class, i);
4960 m = mono_class_get_method_from_name (obj_array_class, "Get", i);
4963 m = mono_marshal_get_array_accessor_wrapper (m);
4964 add_extra_method (acfg, m);
4966 m = mono_class_get_method_from_name (obj_array_class, "Address", i);
4969 m = mono_marshal_get_array_accessor_wrapper (m);
4970 add_extra_method (acfg, m);
4972 m = mono_class_get_method_from_name (obj_array_class, "Set", i + 1);
4975 m = mono_marshal_get_array_accessor_wrapper (m);
4976 add_extra_method (acfg, m);
4982 * is_direct_callable:
4984 * Return whenever the method identified by JI is directly callable without
4985 * going through the PLT.
4988 is_direct_callable (MonoAotCompile *acfg, MonoMethod *method, MonoJumpInfo *patch_info)
4990 if ((patch_info->type == MONO_PATCH_INFO_METHOD) && (patch_info->data.method->klass->image == acfg->image)) {
4991 MonoCompile *callee_cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, patch_info->data.method);
4993 gboolean direct_callable = TRUE;
4995 if (direct_callable && !(!callee_cfg->has_got_slots && (callee_cfg->method->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT)))
4996 direct_callable = FALSE;
4997 if ((callee_cfg->method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) && (!method || method->wrapper_type != MONO_WRAPPER_SYNCHRONIZED))
4998 // FIXME: Maybe call the wrapper directly ?
4999 direct_callable = FALSE;
5001 if (acfg->aot_opts.soft_debug || acfg->aot_opts.no_direct_calls) {
5002 /* Disable this so all calls go through load_method (), see the
5003 * mini_get_debug_options ()->load_aot_jit_info_eagerly = TRUE; line in
5004 * mono_debugger_agent_init ().
5006 direct_callable = FALSE;
5009 if (callee_cfg->method->wrapper_type == MONO_WRAPPER_ALLOC)
5010 /* sgen does some initialization when the allocator method is created */
5011 direct_callable = FALSE;
5012 if (callee_cfg->method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER)
5013 /* we don't know at compile time whether sgen is concurrent or not */
5014 direct_callable = FALSE;
5016 if (direct_callable)
5019 } else if ((patch_info->type == MONO_PATCH_INFO_ICALL_ADDR_CALL && patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5020 if (acfg->aot_opts.direct_pinvoke)
5022 } else if (patch_info->type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
5023 if (acfg->aot_opts.direct_icalls)
5031 #ifdef MONO_ARCH_AOT_SUPPORTED
5033 get_pinvoke_import (MonoAotCompile *acfg, MonoMethod *method)
5035 MonoImage *image = method->klass->image;
5036 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
5037 MonoTableInfo *tables = image->tables;
5038 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
5039 MonoTableInfo *mr = &tables [MONO_TABLE_MODULEREF];
5040 guint32 im_cols [MONO_IMPLMAP_SIZE];
5043 import = (char *)g_hash_table_lookup (acfg->method_to_pinvoke_import, method);
5047 if (!piinfo->implmap_idx || piinfo->implmap_idx > im->rows)
5050 mono_metadata_decode_row (im, piinfo->implmap_idx - 1, im_cols, MONO_IMPLMAP_SIZE);
5052 if (!im_cols [MONO_IMPLMAP_SCOPE] || im_cols [MONO_IMPLMAP_SCOPE] > mr->rows)
5055 import = g_strdup_printf ("%s", mono_metadata_string_heap (image, im_cols [MONO_IMPLMAP_NAME]));
5057 g_hash_table_insert (acfg->method_to_pinvoke_import, method, import);
5063 get_pinvoke_import (MonoAotCompile *acfg, MonoMethod *method)
5070 compare_lne (MonoDebugLineNumberEntry *a, MonoDebugLineNumberEntry *b)
5072 if (a->native_offset == b->native_offset)
5073 return a->il_offset - b->il_offset;
5075 return a->native_offset - b->native_offset;
5079 * compute_line_numbers:
5081 * Returns a sparse array of size CODE_SIZE containing MonoDebugSourceLocation* entries for the native offsets which have a corresponding line number
5084 static MonoDebugSourceLocation**
5085 compute_line_numbers (MonoMethod *method, int code_size, MonoDebugMethodJitInfo *debug_info)
5087 MonoDebugMethodInfo *minfo;
5088 MonoDebugLineNumberEntry *ln_array;
5089 MonoDebugSourceLocation *loc;
5090 int i, prev_line, prev_il_offset;
5091 int *native_to_il_offset = NULL;
5092 MonoDebugSourceLocation **res;
5095 minfo = mono_debug_lookup_method (method);
5098 // FIXME: This seems to happen when two methods have the same cfg->method_to_register
5099 if (debug_info->code_size != code_size)
5102 g_assert (code_size);
5104 /* Compute the native->IL offset mapping */
5106 ln_array = g_new0 (MonoDebugLineNumberEntry, debug_info->num_line_numbers);
5107 memcpy (ln_array, debug_info->line_numbers, debug_info->num_line_numbers * sizeof (MonoDebugLineNumberEntry));
5109 qsort (ln_array, debug_info->num_line_numbers, sizeof (MonoDebugLineNumberEntry), (int (*)(const void *, const void *))compare_lne);
5111 native_to_il_offset = g_new0 (int, code_size + 1);
5113 for (i = 0; i < debug_info->num_line_numbers; ++i) {
5115 MonoDebugLineNumberEntry *lne = &ln_array [i];
5118 for (j = 0; j < lne->native_offset; ++j)
5119 native_to_il_offset [j] = -1;
5122 if (i < debug_info->num_line_numbers - 1) {
5123 MonoDebugLineNumberEntry *lne_next = &ln_array [i + 1];
5125 for (j = lne->native_offset; j < lne_next->native_offset; ++j)
5126 native_to_il_offset [j] = lne->il_offset;
5128 for (j = lne->native_offset; j < code_size; ++j)
5129 native_to_il_offset [j] = lne->il_offset;
5134 /* Compute the native->line number mapping */
5135 res = g_new0 (MonoDebugSourceLocation*, code_size);
5136 prev_il_offset = -1;
5139 for (i = 0; i < code_size; ++i) {
5140 int il_offset = native_to_il_offset [i];
5142 if (il_offset == -1 || il_offset == prev_il_offset)
5144 prev_il_offset = il_offset;
5145 loc = mono_debug_symfile_lookup_location (minfo, il_offset);
5146 if (!(loc && loc->source_file))
5148 if (loc->row == prev_line) {
5149 mono_debug_symfile_free_location (loc);
5152 prev_line = loc->row;
5153 //printf ("D: %s:%d il=%x native=%x\n", loc->source_file, loc->row, il_offset, i);
5155 /* This will cover the prolog too */
5165 get_file_index (MonoAotCompile *acfg, const char *source_file)
5169 // FIXME: Free these
5170 if (!acfg->dwarf_ln_filenames)
5171 acfg->dwarf_ln_filenames = g_hash_table_new (g_str_hash, g_str_equal);
5172 findex = GPOINTER_TO_INT (g_hash_table_lookup (acfg->dwarf_ln_filenames, source_file));
5174 findex = g_hash_table_size (acfg->dwarf_ln_filenames) + 1;
5175 g_hash_table_insert (acfg->dwarf_ln_filenames, g_strdup (source_file), GINT_TO_POINTER (findex));
5176 emit_unset_mode (acfg);
5177 fprintf (acfg->fp, ".file %d \"%s\"\n", findex, mono_dwarf_escape_path (source_file));
5189 * emit_and_reloc_code:
5191 * Emit the native code in CODE, handling relocations along the way. If GOT_ONLY
5192 * is true, calls are made through the GOT too. This is used for emitting trampolines
5193 * in full-aot mode, since calls made from trampolines couldn't go through the PLT,
5194 * since trampolines are needed to make PTL work.
5197 emit_and_reloc_code (MonoAotCompile *acfg, MonoMethod *method, guint8 *code, guint32 code_len, MonoJumpInfo *relocs, gboolean got_only, MonoDebugMethodJitInfo *debug_info)
5199 int i, pindex, start_index;
5201 MonoJumpInfo *patch_info;
5202 MonoDebugSourceLocation **locs = NULL;
5203 gboolean skip, prologue_end = FALSE;
5204 #ifdef MONO_ARCH_AOT_SUPPORTED
5205 gboolean direct_call, external_call;
5207 const char *direct_call_target = 0;
5208 const char *direct_pinvoke;
5211 if (acfg->gas_line_numbers && method && debug_info) {
5212 locs = compute_line_numbers (method, code_len, debug_info);
5214 int findex = get_file_index (acfg, "<unknown>");
5215 emit_unset_mode (acfg);
5216 fprintf (acfg->fp, ".loc %d %d 0\n", findex, 1);
5220 /* Collect and sort relocations */
5221 patches = g_ptr_array_new ();
5222 for (patch_info = relocs; patch_info; patch_info = patch_info->next)
5223 g_ptr_array_add (patches, patch_info);
5224 g_ptr_array_sort (patches, compare_patches);
5227 for (i = 0; i < code_len; i += INST_LEN) {
5229 for (pindex = start_index; pindex < patches->len; ++pindex) {
5230 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5231 if (patch_info->ip.i >= i)
5235 if (locs && locs [i]) {
5236 MonoDebugSourceLocation *loc = locs [i];
5238 const char *options;
5240 findex = get_file_index (acfg, loc->source_file);
5241 emit_unset_mode (acfg);
5243 options = " prologue_end";
5246 prologue_end = TRUE;
5247 fprintf (acfg->fp, ".loc %d %d 0%s\n", findex, loc->row, options);
5248 mono_debug_symfile_free_location (loc);
5252 #ifdef MONO_ARCH_AOT_SUPPORTED
5253 if (patch_info && (patch_info->ip.i == i) && (pindex < patches->len)) {
5254 start_index = pindex;
5256 switch (patch_info->type) {
5257 case MONO_PATCH_INFO_NONE:
5259 case MONO_PATCH_INFO_GOT_OFFSET: {
5262 arch_emit_got_offset (acfg, code + i, &code_size);
5263 i += code_size - INST_LEN;
5265 patch_info->type = MONO_PATCH_INFO_NONE;
5268 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
5269 int code_size, index;
5270 char *selector = (char *)patch_info->data.target;
5272 if (!acfg->objc_selector_to_index)
5273 acfg->objc_selector_to_index = g_hash_table_new (g_str_hash, g_str_equal);
5274 if (!acfg->objc_selectors)
5275 acfg->objc_selectors = g_ptr_array_new ();
5276 index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->objc_selector_to_index, selector));
5280 index = acfg->objc_selector_index;
5281 g_ptr_array_add (acfg->objc_selectors, (void*)patch_info->data.target);
5282 g_hash_table_insert (acfg->objc_selector_to_index, selector, GUINT_TO_POINTER (index + 1));
5283 acfg->objc_selector_index ++;
5286 arch_emit_objc_selector_ref (acfg, code + i, index, &code_size);
5287 i += code_size - INST_LEN;
5289 patch_info->type = MONO_PATCH_INFO_NONE;
5294 * If this patch is a call, try emitting a direct call instead of
5295 * through a PLT entry. This is possible if the called method is in
5296 * the same assembly and requires no initialization.
5298 direct_call = FALSE;
5299 external_call = FALSE;
5300 if ((patch_info->type == MONO_PATCH_INFO_METHOD) && (patch_info->data.method->klass->image == acfg->image)) {
5301 if (!got_only && is_direct_callable (acfg, method, patch_info)) {
5302 MonoCompile *callee_cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, patch_info->data.method);
5303 //printf ("DIRECT: %s %s\n", method ? mono_method_full_name (method, TRUE) : "", mono_method_full_name (callee_cfg->method, TRUE));
5305 direct_call_target = callee_cfg->asm_symbol;
5306 patch_info->type = MONO_PATCH_INFO_NONE;
5307 acfg->stats.direct_calls ++;
5310 acfg->stats.all_calls ++;
5311 } else if (patch_info->type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
5312 if (!got_only && is_direct_callable (acfg, method, patch_info)) {
5313 if (!(patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
5314 direct_pinvoke = mono_lookup_icall_symbol (patch_info->data.method);
5316 direct_pinvoke = get_pinvoke_import (acfg, patch_info->data.method);
5317 if (direct_pinvoke) {
5319 g_assert (strlen (direct_pinvoke) < 1000);
5320 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, direct_pinvoke);
5323 } else if (patch_info->type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
5324 const char *sym = mono_lookup_jit_icall_symbol (patch_info->data.name);
5325 if (!got_only && sym && acfg->aot_opts.direct_icalls) {
5326 /* Call to a C function implementing a jit icall */
5328 external_call = TRUE;
5329 g_assert (strlen (sym) < 1000);
5330 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, sym);
5332 } else if (patch_info->type == MONO_PATCH_INFO_INTERNAL_METHOD) {
5333 MonoJitICallInfo *info = mono_find_jit_icall_by_name (patch_info->data.name);
5334 const char *sym = mono_lookup_jit_icall_symbol (patch_info->data.name);
5335 if (!got_only && sym && acfg->aot_opts.direct_icalls && info->func == info->wrapper) {
5336 /* Call to a jit icall without a wrapper */
5338 external_call = TRUE;
5339 g_assert (strlen (sym) < 1000);
5340 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, sym);
5345 patch_info->type = MONO_PATCH_INFO_NONE;
5346 acfg->stats.direct_calls ++;
5349 if (!got_only && !direct_call) {
5350 MonoPltEntry *plt_entry = get_plt_entry (acfg, patch_info);
5352 /* This patch has a PLT entry, so we must emit a call to the PLT entry */
5354 direct_call_target = plt_entry->symbol;
5356 /* Nullify the patch */
5357 patch_info->type = MONO_PATCH_INFO_NONE;
5358 plt_entry->jit_used = TRUE;
5365 arch_emit_direct_call (acfg, direct_call_target, external_call, FALSE, patch_info, &call_size);
5366 i += call_size - INST_LEN;
5370 got_slot = get_got_offset (acfg, FALSE, patch_info);
5372 arch_emit_got_access (acfg, acfg->got_symbol, code + i, got_slot, &code_size);
5373 i += code_size - INST_LEN;
5379 #endif /* MONO_ARCH_AOT_SUPPORTED */
5382 /* Find next patch */
5384 for (pindex = start_index; pindex < patches->len; ++pindex) {
5385 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5386 if (patch_info->ip.i >= i)
5390 /* Try to emit multiple bytes at once */
5391 if (pindex < patches->len && patch_info->ip.i > i) {
5394 for (limit = i + INST_LEN; limit < patch_info->ip.i; limit += INST_LEN) {
5395 if (locs && locs [limit])
5399 emit_code_bytes (acfg, code + i, limit - i);
5400 i = limit - INST_LEN;
5402 emit_code_bytes (acfg, code + i, INST_LEN);
5407 g_ptr_array_free (patches, TRUE);
5414 * Return a modified version of S which only includes characters permissible in symbols.
5417 sanitize_symbol (MonoAotCompile *acfg, char *s)
5419 gboolean process = FALSE;
5428 for (i = 0; i < len; ++i)
5429 if (!(s [i] <= 0x7f && (isalnum (s [i]) || s [i] == '_')))
5434 gs = g_string_sized_new (len);
5435 for (i = 0; i < len; ++i) {
5437 if (c <= 0x7f && (isalnum (c) || c == '_')) {
5438 g_string_append_c (gs, c);
5439 } else if (c > 0x7f) {
5440 /* multi-byte utf8 */
5441 g_string_append_printf (gs, "_0x%x", c);
5444 while (c >> 6 == 0x2) {
5445 g_string_append_printf (gs, "%x", c);
5449 g_string_append_printf (gs, "_");
5452 g_string_append_c (gs, '_');
5456 res = mono_mempool_strdup (acfg->mempool, gs->str);
5457 g_string_free (gs, TRUE);
5462 get_debug_sym (MonoMethod *method, const char *prefix, GHashTable *cache)
5464 char *name1, *name2, *cached;
5465 int i, j, len, count;
5466 MonoMethod *cached_method;
5468 name1 = mono_method_full_name (method, TRUE);
5471 // This is so that we don't accidentally create a local symbol (which starts with 'L')
5472 if ((!prefix || !*prefix) && name1 [0] == 'L')
5476 #if defined(TARGET_WIN32) && defined(TARGET_X86)
5477 char adjustedPrefix [MAX_SYMBOL_SIZE];
5478 prefix = mangle_symbol (prefix, adjustedPrefix, G_N_ELEMENTS (adjustedPrefix));
5481 len = strlen (name1);
5482 name2 = (char *)malloc (strlen (prefix) + len + 16);
5483 memcpy (name2, prefix, strlen (prefix));
5484 j = strlen (prefix);
5485 for (i = 0; i < len; ++i) {
5486 if (i == 0 && name1 [0] >= '0' && name1 [0] <= '9') {
5488 } else if (isalnum (name1 [i])) {
5489 name2 [j ++] = name1 [i];
5490 } else if (name1 [i] == ' ' && name1 [i + 1] == '(' && name1 [i + 2] == ')') {
5492 } else if (name1 [i] == ',' && name1 [i + 1] == ' ') {
5495 } else if (name1 [i] == '(' || name1 [i] == ')' || name1 [i] == '>') {
5505 cached_method = (MonoMethod *)g_hash_table_lookup (cache, name2);
5506 if (!(cached_method && cached_method != method))
5508 sprintf (name2 + j, "_%d", count);
5512 cached = g_strdup (name2);
5513 g_hash_table_insert (cache, cached, method);
5519 emit_method_code (MonoAotCompile *acfg, MonoCompile *cfg)
5524 char *debug_sym = NULL;
5525 char *symbol = NULL;
5526 int func_alignment = AOT_FUNC_ALIGNMENT;
5529 method = cfg->orig_method;
5530 code = cfg->native_code;
5532 method_index = get_method_index (acfg, method);
5533 symbol = g_strdup_printf ("%sme_%x", acfg->temp_prefix, method_index);
5535 /* Make the labels local */
5536 emit_section_change (acfg, ".text", 0);
5537 emit_alignment_code (acfg, func_alignment);
5539 if (acfg->global_symbols && acfg->need_no_dead_strip)
5540 fprintf (acfg->fp, " .no_dead_strip %s\n", cfg->asm_symbol);
5542 emit_label (acfg, cfg->asm_symbol);
5544 if (acfg->aot_opts.write_symbols && !acfg->global_symbols && !acfg->llvm) {
5546 * Write a C style symbol for every method, this has two uses:
5547 * - it works on platforms where the dwarf debugging info is not
5549 * - it allows the setting of breakpoints of aot-ed methods.
5551 debug_sym = get_debug_sym (method, "", acfg->method_label_hash);
5552 cfg->asm_debug_symbol = g_strdup (debug_sym);
5554 if (acfg->need_no_dead_strip)
5555 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
5556 emit_local_symbol (acfg, debug_sym, symbol, TRUE);
5557 emit_label (acfg, debug_sym);
5560 export_name = (char *)g_hash_table_lookup (acfg->export_names, method);
5562 /* Emit a global symbol for the method */
5563 emit_global_inner (acfg, export_name, TRUE);
5564 emit_label (acfg, export_name);
5567 if (cfg->verbose_level > 0)
5568 g_print ("Method %s emitted as %s\n", mono_method_get_full_name (method), cfg->asm_symbol);
5570 acfg->stats.code_size += cfg->code_len;
5572 acfg->cfgs [method_index]->got_offset = acfg->got_offset;
5574 emit_and_reloc_code (acfg, method, code, cfg->code_len, cfg->patch_info, FALSE, mono_debug_find_method (cfg->jit_info->d.method, mono_domain_get ()));
5578 if (acfg->aot_opts.write_symbols) {
5580 emit_symbol_size (acfg, debug_sym, ".");
5582 emit_symbol_size (acfg, cfg->asm_symbol, ".");
5586 emit_label (acfg, symbol);
5593 * Encode PATCH_INFO into its disk representation.
5596 encode_patch (MonoAotCompile *acfg, MonoJumpInfo *patch_info, guint8 *buf, guint8 **endbuf)
5600 switch (patch_info->type) {
5601 case MONO_PATCH_INFO_NONE:
5603 case MONO_PATCH_INFO_IMAGE:
5604 encode_value (get_image_index (acfg, patch_info->data.image), p, &p);
5606 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
5607 case MONO_PATCH_INFO_JIT_TLS_ID:
5608 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
5609 case MONO_PATCH_INFO_GC_NURSERY_START:
5610 case MONO_PATCH_INFO_GC_NURSERY_BITS:
5612 case MONO_PATCH_INFO_CASTCLASS_CACHE:
5613 encode_value (patch_info->data.index, p, &p);
5615 case MONO_PATCH_INFO_METHOD_REL:
5616 encode_value ((gint)patch_info->data.offset, p, &p);
5618 case MONO_PATCH_INFO_SWITCH: {
5619 gpointer *table = (gpointer *)patch_info->data.table->table;
5622 encode_value (patch_info->data.table->table_size, p, &p);
5623 for (k = 0; k < patch_info->data.table->table_size; k++)
5624 encode_value ((int)(gssize)table [k], p, &p);
5627 case MONO_PATCH_INFO_METHODCONST:
5628 case MONO_PATCH_INFO_METHOD:
5629 case MONO_PATCH_INFO_METHOD_JUMP:
5630 case MONO_PATCH_INFO_ICALL_ADDR:
5631 case MONO_PATCH_INFO_ICALL_ADDR_CALL:
5632 case MONO_PATCH_INFO_METHOD_RGCTX:
5633 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
5634 encode_method_ref (acfg, patch_info->data.method, p, &p);
5636 case MONO_PATCH_INFO_AOT_JIT_INFO:
5637 encode_value (patch_info->data.index, p, &p);
5639 case MONO_PATCH_INFO_INTERNAL_METHOD:
5640 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
5641 guint32 len = strlen (patch_info->data.name);
5643 encode_value (len, p, &p);
5645 memcpy (p, patch_info->data.name, len);
5650 case MONO_PATCH_INFO_LDSTR: {
5651 guint32 image_index = get_image_index (acfg, patch_info->data.token->image);
5652 guint32 token = patch_info->data.token->token;
5653 g_assert (mono_metadata_token_code (token) == MONO_TOKEN_STRING);
5654 encode_value (image_index, p, &p);
5655 encode_value (patch_info->data.token->token - MONO_TOKEN_STRING, p, &p);
5658 case MONO_PATCH_INFO_RVA:
5659 case MONO_PATCH_INFO_DECLSEC:
5660 case MONO_PATCH_INFO_LDTOKEN:
5661 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
5662 encode_value (get_image_index (acfg, patch_info->data.token->image), p, &p);
5663 encode_value (patch_info->data.token->token, p, &p);
5664 encode_value (patch_info->data.token->has_context, p, &p);
5665 if (patch_info->data.token->has_context)
5666 encode_generic_context (acfg, &patch_info->data.token->context, p, &p);
5668 case MONO_PATCH_INFO_EXC_NAME: {
5669 MonoClass *ex_class;
5672 mono_class_load_from_name (mono_defaults.exception_class->image,
5673 "System", (const char *)patch_info->data.target);
5674 encode_klass_ref (acfg, ex_class, p, &p);
5677 case MONO_PATCH_INFO_R4:
5678 encode_value (*((guint32 *)patch_info->data.target), p, &p);
5680 case MONO_PATCH_INFO_R8:
5681 encode_value (((guint32 *)patch_info->data.target) [MINI_LS_WORD_IDX], p, &p);
5682 encode_value (((guint32 *)patch_info->data.target) [MINI_MS_WORD_IDX], p, &p);
5684 case MONO_PATCH_INFO_VTABLE:
5685 case MONO_PATCH_INFO_CLASS:
5686 case MONO_PATCH_INFO_IID:
5687 case MONO_PATCH_INFO_ADJUSTED_IID:
5688 encode_klass_ref (acfg, patch_info->data.klass, p, &p);
5690 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
5691 encode_klass_ref (acfg, patch_info->data.del_tramp->klass, p, &p);
5692 if (patch_info->data.del_tramp->method) {
5693 encode_value (1, p, &p);
5694 encode_method_ref (acfg, patch_info->data.del_tramp->method, p, &p);
5696 encode_value (0, p, &p);
5698 encode_value (patch_info->data.del_tramp->is_virtual, p, &p);
5700 case MONO_PATCH_INFO_FIELD:
5701 case MONO_PATCH_INFO_SFLDA:
5702 encode_field_info (acfg, patch_info->data.field, p, &p);
5704 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
5706 case MONO_PATCH_INFO_RGCTX_FETCH:
5707 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
5708 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
5713 * entry->method has a lenghtly encoding and multiple rgctx_fetch entries
5714 * reference the same method, so encode the method only once.
5716 offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_blob_hash, entry->method));
5718 buf2 = (guint8 *)g_malloc (1024);
5721 encode_method_ref (acfg, entry->method, p2, &p2);
5722 g_assert (p2 - buf2 < 1024);
5724 offset = add_to_blob (acfg, buf2, p2 - buf2);
5727 g_hash_table_insert (acfg->method_blob_hash, entry->method, GUINT_TO_POINTER (offset + 1));
5732 encode_value (offset, p, &p);
5733 g_assert ((int)entry->info_type < 256);
5734 g_assert (entry->data->type < 256);
5735 encode_value ((entry->in_mrgctx ? 1 : 0) | (entry->info_type << 1) | (entry->data->type << 9), p, &p);
5736 encode_patch (acfg, entry->data, p, &p);
5739 case MONO_PATCH_INFO_SEQ_POINT_INFO:
5740 case MONO_PATCH_INFO_AOT_MODULE:
5742 case MONO_PATCH_INFO_SIGNATURE:
5743 case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
5744 encode_signature (acfg, (MonoMethodSignature*)patch_info->data.target, p, &p);
5746 case MONO_PATCH_INFO_TLS_OFFSET:
5747 encode_value (GPOINTER_TO_INT (patch_info->data.target), p, &p);
5749 case MONO_PATCH_INFO_GSHAREDVT_CALL:
5750 encode_signature (acfg, (MonoMethodSignature*)patch_info->data.gsharedvt->sig, p, &p);
5751 encode_method_ref (acfg, patch_info->data.gsharedvt->method, p, &p);
5753 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
5754 MonoGSharedVtMethodInfo *info = patch_info->data.gsharedvt_method;
5757 encode_method_ref (acfg, info->method, p, &p);
5758 encode_value (info->num_entries, p, &p);
5759 for (i = 0; i < info->num_entries; ++i) {
5760 MonoRuntimeGenericContextInfoTemplate *template_ = &info->entries [i];
5762 encode_value (template_->info_type, p, &p);
5763 switch (mini_rgctx_info_type_to_patch_info_type (template_->info_type)) {
5764 case MONO_PATCH_INFO_CLASS:
5765 encode_klass_ref (acfg, mono_class_from_mono_type ((MonoType *)template_->data), p, &p);
5767 case MONO_PATCH_INFO_FIELD:
5768 encode_field_info (acfg, (MonoClassField *)template_->data, p, &p);
5771 g_assert_not_reached ();
5777 case MONO_PATCH_INFO_LDSTR_LIT: {
5778 const char *s = (const char *)patch_info->data.target;
5779 int len = strlen (s);
5781 encode_value (len, p, &p);
5782 memcpy (p, s, len + 1);
5786 case MONO_PATCH_INFO_VIRT_METHOD:
5787 encode_klass_ref (acfg, patch_info->data.virt_method->klass, p, &p);
5788 encode_method_ref (acfg, patch_info->data.virt_method->method, p, &p);
5790 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
5793 g_warning ("unable to handle jump info %d", patch_info->type);
5794 g_assert_not_reached ();
5801 encode_patch_list (MonoAotCompile *acfg, GPtrArray *patches, int n_patches, gboolean llvm, int first_got_offset, guint8 *buf, guint8 **endbuf)
5804 guint32 pindex, offset;
5805 MonoJumpInfo *patch_info;
5807 encode_value (n_patches, p, &p);
5809 for (pindex = 0; pindex < patches->len; ++pindex) {
5810 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5812 if (patch_info->type == MONO_PATCH_INFO_NONE || patch_info->type == MONO_PATCH_INFO_BB)
5816 offset = get_got_offset (acfg, llvm, patch_info);
5817 encode_value (offset, p, &p);
5824 emit_method_info (MonoAotCompile *acfg, MonoCompile *cfg)
5827 int pindex, buf_size, n_patches;
5829 MonoJumpInfo *patch_info;
5830 guint32 method_index;
5832 guint32 first_got_offset;
5834 method = cfg->orig_method;
5836 method_index = get_method_index (acfg, method);
5838 /* Sort relocations */
5839 patches = g_ptr_array_new ();
5840 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next)
5841 g_ptr_array_add (patches, patch_info);
5842 g_ptr_array_sort (patches, compare_patches);
5844 first_got_offset = acfg->cfgs [method_index]->got_offset;
5846 /**********************/
5847 /* Encode method info */
5848 /**********************/
5850 buf_size = (patches->len < 1000) ? 40960 : 40960 + (patches->len * 64);
5851 p = buf = (guint8 *)g_malloc (buf_size);
5853 if (mono_class_get_cctor (method->klass)) {
5854 encode_value (1, p, &p);
5855 encode_klass_ref (acfg, method->klass, p, &p);
5857 /* Not needed when loading the method */
5858 encode_value (0, p, &p);
5861 g_assert (!(cfg->opt & MONO_OPT_SHARED));
5864 for (pindex = 0; pindex < patches->len; ++pindex) {
5865 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5867 if ((patch_info->type == MONO_PATCH_INFO_GOT_OFFSET) ||
5868 (patch_info->type == MONO_PATCH_INFO_NONE)) {
5869 patch_info->type = MONO_PATCH_INFO_NONE;
5874 if ((patch_info->type == MONO_PATCH_INFO_IMAGE) && (patch_info->data.image == acfg->image)) {
5875 /* Stored in a GOT slot initialized at module load time */
5876 patch_info->type = MONO_PATCH_INFO_NONE;
5880 if (patch_info->type == MONO_PATCH_INFO_GC_CARD_TABLE_ADDR ||
5881 patch_info->type == MONO_PATCH_INFO_GC_NURSERY_START ||
5882 patch_info->type == MONO_PATCH_INFO_GC_NURSERY_BITS ||
5883 patch_info->type == MONO_PATCH_INFO_AOT_MODULE) {
5884 /* Stored in a GOT slot initialized at module load time */
5885 patch_info->type = MONO_PATCH_INFO_NONE;
5889 if (is_plt_patch (patch_info) && !(cfg->compile_llvm && acfg->aot_opts.llvm_only)) {
5890 /* Calls are made through the PLT */
5891 patch_info->type = MONO_PATCH_INFO_NONE;
5899 g_assert (cfg->has_got_slots);
5901 encode_patch_list (acfg, patches, n_patches, cfg->compile_llvm, first_got_offset, p, &p);
5903 g_ptr_array_free (patches, TRUE);
5905 acfg->stats.info_size += p - buf;
5907 g_assert (p - buf < buf_size);
5909 cfg->method_info_offset = add_to_blob (acfg, buf, p - buf);
5914 get_unwind_info_offset (MonoAotCompile *acfg, guint8 *encoded, guint32 encoded_len)
5916 guint32 cache_index;
5919 /* Reuse the unwind module to canonize and store unwind info entries */
5920 cache_index = mono_cache_unwind_info (encoded, encoded_len);
5922 /* Use +/- 1 to distinguish 0s from missing entries */
5923 offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->unwind_info_offsets, GUINT_TO_POINTER (cache_index + 1)));
5931 * It would be easier to use assembler symbols, but the caller needs an
5934 offset = acfg->unwind_info_offset;
5935 g_hash_table_insert (acfg->unwind_info_offsets, GUINT_TO_POINTER (cache_index + 1), GUINT_TO_POINTER (offset + 1));
5936 g_ptr_array_add (acfg->unwind_ops, GUINT_TO_POINTER (cache_index));
5939 encode_value (encoded_len, p, &p);
5941 acfg->unwind_info_offset += encoded_len + (p - buf);
5947 emit_exception_debug_info (MonoAotCompile *acfg, MonoCompile *cfg, gboolean store_seq_points)
5950 guint32 debug_info_size, seq_points_size;
5952 MonoMethodHeader *header;
5953 guint8 *p, *buf, *debug_info;
5954 MonoJitInfo *jinfo = cfg->jit_info;
5956 gboolean use_unwind_ops = FALSE;
5957 MonoSeqPointInfo *seq_points;
5959 code = cfg->native_code;
5960 header = cfg->header;
5962 if (!acfg->aot_opts.nodebug) {
5963 mono_debug_serialize_debug_info (cfg, &debug_info, &debug_info_size);
5966 debug_info_size = 0;
5969 seq_points = cfg->seq_point_info;
5970 seq_points_size = (store_seq_points)? mono_seq_point_info_get_write_size (seq_points) : 0;
5972 buf_size = header->num_clauses * 256 + debug_info_size + 2048 + seq_points_size + cfg->gc_map_size;
5974 p = buf = (guint8 *)g_malloc (buf_size);
5976 use_unwind_ops = cfg->unwind_ops != NULL;
5978 flags = (jinfo->has_generic_jit_info ? 1 : 0) | (use_unwind_ops ? 2 : 0) | (header->num_clauses ? 4 : 0) | (seq_points_size ? 8 : 0) | (cfg->compile_llvm ? 16 : 0) | (jinfo->has_try_block_holes ? 32 : 0) | (cfg->gc_map ? 64 : 0) | (jinfo->has_arch_eh_info ? 128 : 0);
5980 encode_value (flags, p, &p);
5982 if (use_unwind_ops) {
5983 guint32 encoded_len;
5985 guint32 unwind_desc;
5987 encoded = mono_unwind_ops_encode (cfg->unwind_ops, &encoded_len);
5989 unwind_desc = get_unwind_info_offset (acfg, encoded, encoded_len);
5990 encode_value (unwind_desc, p, &p);
5994 encode_value (jinfo->unwind_info, p, &p);
5997 /*Encode the number of holes before the number of clauses to make decoding easier*/
5998 if (jinfo->has_try_block_holes) {
5999 MonoTryBlockHoleTableJitInfo *table = mono_jit_info_get_try_block_hole_table_info (jinfo);
6000 encode_value (table->num_holes, p, &p);
6003 if (jinfo->has_arch_eh_info) {
6005 * In AOT mode, the code length is calculated from the address of the previous method,
6006 * which could include alignment padding, so calculating the start of the epilog as
6007 * code_len - epilog_size is correct any more. Save the real code len as a workaround.
6009 encode_value (jinfo->code_size, p, &p);
6012 /* Exception table */
6013 if (cfg->compile_llvm) {
6015 * When using LLVM, we can't emit some data, like pc offsets, this reg/offset etc.,
6016 * since the information is only available to llc. Instead, we let llc save the data
6017 * into the LSDA, and read it from there at runtime.
6019 /* The assembly might be CIL stripped so emit the data ourselves */
6020 if (header->num_clauses)
6021 encode_value (header->num_clauses, p, &p);
6023 for (k = 0; k < header->num_clauses; ++k) {
6024 MonoExceptionClause *clause;
6026 clause = &header->clauses [k];
6028 encode_value (clause->flags, p, &p);
6029 if (clause->data.catch_class) {
6030 encode_value (1, p, &p);
6031 encode_klass_ref (acfg, clause->data.catch_class, p, &p);
6033 encode_value (0, p, &p);
6036 /* Emit the IL ranges too, since they might not be available at runtime */
6037 encode_value (clause->try_offset, p, &p);
6038 encode_value (clause->try_len, p, &p);
6039 encode_value (clause->handler_offset, p, &p);
6040 encode_value (clause->handler_len, p, &p);
6042 /* Emit a list of nesting clauses */
6043 for (i = 0; i < header->num_clauses; ++i) {
6045 MonoExceptionClause *clause1 = &header->clauses [cindex1];
6047 MonoExceptionClause *clause2 = &header->clauses [cindex2];
6049 if (cindex1 != cindex2 && clause1->try_offset >= clause2->try_offset && clause1->handler_offset <= clause2->handler_offset)
6050 encode_value (i, p, &p);
6052 encode_value (-1, p, &p);
6055 if (jinfo->num_clauses)
6056 encode_value (jinfo->num_clauses, p, &p);
6058 for (k = 0; k < jinfo->num_clauses; ++k) {
6059 MonoJitExceptionInfo *ei = &jinfo->clauses [k];
6061 encode_value (ei->flags, p, &p);
6062 #ifdef MONO_CONTEXT_SET_LLVM_EXC_REG
6063 /* Not used for catch clauses */
6064 if (ei->flags != MONO_EXCEPTION_CLAUSE_NONE)
6065 encode_value (ei->exvar_offset, p, &p);
6067 encode_value (ei->exvar_offset, p, &p);
6070 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER || ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
6071 encode_value ((gint)((guint8*)ei->data.filter - code), p, &p);
6073 if (ei->data.catch_class) {
6077 buf2 = (guint8 *)g_malloc (4096);
6079 encode_klass_ref (acfg, ei->data.catch_class, p2, &p2);
6081 g_assert (len < 4096);
6082 encode_value (len, p, &p);
6083 memcpy (p, buf2, len);
6087 encode_value (0, p, &p);
6091 encode_value ((gint)((guint8*)ei->try_start - code), p, &p);
6092 encode_value ((gint)((guint8*)ei->try_end - code), p, &p);
6093 encode_value ((gint)((guint8*)ei->handler_start - code), p, &p);
6097 if (jinfo->has_try_block_holes) {
6098 MonoTryBlockHoleTableJitInfo *table = mono_jit_info_get_try_block_hole_table_info (jinfo);
6099 for (i = 0; i < table->num_holes; ++i) {
6100 MonoTryBlockHoleJitInfo *hole = &table->holes [i];
6101 encode_value (hole->clause, p, &p);
6102 encode_value (hole->length, p, &p);
6103 encode_value (hole->offset, p, &p);
6107 if (jinfo->has_arch_eh_info) {
6108 MonoArchEHJitInfo *eh_info;
6110 eh_info = mono_jit_info_get_arch_eh_info (jinfo);
6111 encode_value (eh_info->stack_size, p, &p);
6112 encode_value (eh_info->epilog_size, p, &p);
6115 if (jinfo->has_generic_jit_info) {
6116 MonoGenericJitInfo *gi = mono_jit_info_get_generic_jit_info (jinfo);
6117 MonoGenericSharingContext* gsctx = gi->generic_sharing_context;
6121 encode_value (gi->nlocs, p, &p);
6123 for (i = 0; i < gi->nlocs; ++i) {
6124 MonoDwarfLocListEntry *entry = &gi->locations [i];
6126 encode_value (entry->is_reg ? 1 : 0, p, &p);
6127 encode_value (entry->reg, p, &p);
6129 encode_value (entry->offset, p, &p);
6131 g_assert (entry->from == 0);
6133 encode_value (entry->from, p, &p);
6134 encode_value (entry->to, p, &p);
6137 if (!cfg->compile_llvm) {
6138 encode_value (gi->has_this ? 1 : 0, p, &p);
6139 encode_value (gi->this_reg, p, &p);
6140 encode_value (gi->this_offset, p, &p);
6145 * Need to encode jinfo->method too, since it is not equal to 'method'
6146 * when using generic sharing.
6148 buf2 = (guint8 *)g_malloc (4096);
6150 encode_method_ref (acfg, jinfo->d.method, p2, &p2);
6152 g_assert (len < 4096);
6153 encode_value (len, p, &p);
6154 memcpy (p, buf2, len);
6158 if (gsctx && gsctx->is_gsharedvt) {
6159 encode_value (1, p, &p);
6161 encode_value (0, p, &p);
6165 if (seq_points_size)
6166 p += mono_seq_point_info_write (seq_points, p);
6168 g_assert (debug_info_size < buf_size);
6170 encode_value (debug_info_size, p, &p);
6171 if (debug_info_size) {
6172 memcpy (p, debug_info, debug_info_size);
6173 p += debug_info_size;
6174 g_free (debug_info);
6179 encode_value (cfg->gc_map_size, p, &p);
6180 /* The GC map requires 4 bytes of alignment */
6181 while ((gsize)p % 4)
6183 memcpy (p, cfg->gc_map, cfg->gc_map_size);
6184 p += cfg->gc_map_size;
6187 acfg->stats.ex_info_size += p - buf;
6189 g_assert (p - buf < buf_size);
6192 /* The GC Map requires 4 byte alignment */
6193 cfg->ex_info_offset = add_to_blob_aligned (acfg, buf, p - buf, cfg->gc_map ? 4 : 1);
6198 emit_klass_info (MonoAotCompile *acfg, guint32 token)
6201 MonoClass *klass = mono_class_get_checked (acfg->image, token, &error);
6203 int i, buf_size, res;
6204 gboolean no_special_static, cant_encode;
6205 gpointer iter = NULL;
6208 mono_error_cleanup (&error);
6212 p = buf = (guint8 *)g_malloc (buf_size);
6214 /* Mark as unusable */
6215 encode_value (-1, p, &p);
6217 res = add_to_blob (acfg, buf, p - buf);
6223 buf_size = 10240 + (klass->vtable_size * 16);
6224 p = buf = (guint8 *)g_malloc (buf_size);
6228 mono_class_init (klass);
6230 mono_class_get_nested_types (klass, &iter);
6231 g_assert (klass->nested_classes_inited);
6233 mono_class_setup_vtable (klass);
6236 * Emit all the information which is required for creating vtables so
6237 * the runtime does not need to create the MonoMethod structures which
6238 * take up a lot of space.
6241 no_special_static = !mono_class_has_special_static_fields (klass);
6243 /* Check whenever we have enough info to encode the vtable */
6244 cant_encode = FALSE;
6245 for (i = 0; i < klass->vtable_size; ++i) {
6246 MonoMethod *cm = klass->vtable [i];
6248 if (cm && mono_method_signature (cm)->is_inflated && !g_hash_table_lookup (acfg->token_info_hash, cm))
6252 mono_class_has_finalizer (klass);
6254 if (klass->generic_container || cant_encode) {
6255 encode_value (-1, p, &p);
6257 encode_value (klass->vtable_size, p, &p);
6258 encode_value ((klass->generic_container ? (1 << 8) : 0) | (no_special_static << 7) | (klass->has_static_refs << 6) | (klass->has_references << 5) | ((klass->blittable << 4) | ((klass->ext && klass->ext->nested_classes) ? 1 : 0) << 3) | (klass->has_cctor << 2) | (klass->has_finalize << 1) | klass->ghcimpl, p, &p);
6259 if (klass->has_cctor)
6260 encode_method_ref (acfg, mono_class_get_cctor (klass), p, &p);
6261 if (klass->has_finalize)
6262 encode_method_ref (acfg, mono_class_get_finalizer (klass), p, &p);
6264 encode_value (klass->instance_size, p, &p);
6265 encode_value (mono_class_data_size (klass), p, &p);
6266 encode_value (klass->packing_size, p, &p);
6267 encode_value (klass->min_align, p, &p);
6269 for (i = 0; i < klass->vtable_size; ++i) {
6270 MonoMethod *cm = klass->vtable [i];
6273 encode_method_ref (acfg, cm, p, &p);
6275 encode_value (0, p, &p);
6279 acfg->stats.class_info_size += p - buf;
6281 g_assert (p - buf < buf_size);
6282 res = add_to_blob (acfg, buf, p - buf);
6289 get_plt_entry_debug_sym (MonoAotCompile *acfg, MonoJumpInfo *ji, GHashTable *cache)
6291 char *debug_sym = NULL;
6294 if (acfg->llvm && llvm_acfg->aot_opts.static_link) {
6295 /* Need to add a prefix to create unique symbols */
6296 prefix = g_strdup_printf ("plt_%s_", acfg->assembly_name_sym);
6298 #if defined(TARGET_WIN32) && defined(TARGET_X86)
6299 prefix = mangle_symbol_alloc ("plt_");
6301 prefix = g_strdup ("plt_");
6306 case MONO_PATCH_INFO_METHOD:
6307 debug_sym = get_debug_sym (ji->data.method, prefix, cache);
6309 case MONO_PATCH_INFO_INTERNAL_METHOD:
6310 debug_sym = g_strdup_printf ("%s_jit_icall_%s", prefix, ji->data.name);
6312 case MONO_PATCH_INFO_RGCTX_FETCH:
6313 debug_sym = g_strdup_printf ("%s_rgctx_fetch_%d", prefix, acfg->label_generator ++);
6315 case MONO_PATCH_INFO_ICALL_ADDR:
6316 case MONO_PATCH_INFO_ICALL_ADDR_CALL: {
6317 char *s = get_debug_sym (ji->data.method, "", cache);
6319 debug_sym = g_strdup_printf ("%s_icall_native_%s", prefix, s);
6323 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
6324 debug_sym = g_strdup_printf ("%s_jit_icall_native_%s", prefix, ji->data.name);
6332 return sanitize_symbol (acfg, debug_sym);
6336 * Calls made from AOTed code are routed through a table of jumps similar to the
6337 * ELF PLT (Program Linkage Table). Initially the PLT entries jump to code which transfers
6338 * control to the AOT runtime through a trampoline.
6341 emit_plt (MonoAotCompile *acfg)
6345 if (acfg->aot_opts.llvm_only) {
6346 g_assert (acfg->plt_offset == 1);
6352 emit_section_change (acfg, ".text", 0);
6353 emit_alignment_code (acfg, 16);
6354 emit_info_symbol (acfg, "plt");
6355 emit_label (acfg, acfg->plt_symbol);
6357 for (i = 0; i < acfg->plt_offset; ++i) {
6358 char *debug_sym = NULL;
6359 MonoPltEntry *plt_entry = NULL;
6363 * The first plt entry is unused.
6367 plt_entry = (MonoPltEntry *)g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
6369 debug_sym = plt_entry->debug_sym;
6371 if (acfg->thumb_mixed && !plt_entry->jit_used)
6372 /* Emit only a thumb version */
6375 /* Skip plt entries not actually called */
6376 if (!plt_entry->jit_used && !plt_entry->llvm_used)
6379 if (acfg->llvm && !acfg->thumb_mixed) {
6380 emit_label (acfg, plt_entry->llvm_symbol);
6382 emit_global_inner (acfg, plt_entry->llvm_symbol, TRUE);
6383 #if defined(TARGET_MACH)
6384 fprintf (acfg->fp, ".private_extern %s\n", plt_entry->llvm_symbol);
6390 if (acfg->need_no_dead_strip) {
6391 emit_unset_mode (acfg);
6392 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
6394 emit_local_symbol (acfg, debug_sym, NULL, TRUE);
6395 emit_label (acfg, debug_sym);
6398 emit_label (acfg, plt_entry->symbol);
6400 arch_emit_plt_entry (acfg, acfg->got_symbol, (acfg->plt_got_offset_base + i) * sizeof (gpointer), acfg->plt_got_info_offsets [i]);
6403 emit_symbol_size (acfg, debug_sym, ".");
6406 if (acfg->thumb_mixed) {
6407 /* Make sure the ARM symbols don't alias the thumb ones */
6408 emit_zero_bytes (acfg, 16);
6411 * Emit a separate set of PLT entries using thumb2 which is called by LLVM generated
6414 for (i = 0; i < acfg->plt_offset; ++i) {
6415 char *debug_sym = NULL;
6416 MonoPltEntry *plt_entry = NULL;
6421 plt_entry = (MonoPltEntry *)g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
6423 /* Skip plt entries not actually called by LLVM code */
6424 if (!plt_entry->llvm_used)
6427 if (acfg->aot_opts.write_symbols) {
6428 if (plt_entry->debug_sym)
6429 debug_sym = g_strdup_printf ("%s_thumb", plt_entry->debug_sym);
6433 #if defined(TARGET_MACH)
6434 fprintf (acfg->fp, " .thumb_func %s\n", debug_sym);
6435 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
6437 emit_local_symbol (acfg, debug_sym, NULL, TRUE);
6438 emit_label (acfg, debug_sym);
6440 fprintf (acfg->fp, "\n.thumb_func\n");
6442 emit_label (acfg, plt_entry->llvm_symbol);
6445 emit_global_inner (acfg, plt_entry->llvm_symbol, TRUE);
6447 arch_emit_llvm_plt_entry (acfg, acfg->got_symbol, (acfg->plt_got_offset_base + i) * sizeof (gpointer), acfg->plt_got_info_offsets [i]);
6450 emit_symbol_size (acfg, debug_sym, ".");
6456 emit_symbol_size (acfg, acfg->plt_symbol, ".");
6458 emit_info_symbol (acfg, "plt_end");
6462 * emit_trampoline_full:
6464 * If EMIT_TINFO is TRUE, emit additional information which can be used to create a MonoJitInfo for this trampoline by
6465 * create_jit_info_for_trampoline ().
6467 static G_GNUC_UNUSED void
6468 emit_trampoline_full (MonoAotCompile *acfg, int got_offset, MonoTrampInfo *info, gboolean emit_tinfo)
6470 char start_symbol [MAX_SYMBOL_SIZE];
6471 char end_symbol [MAX_SYMBOL_SIZE];
6472 char symbol [MAX_SYMBOL_SIZE];
6473 guint32 buf_size, info_offset;
6474 MonoJumpInfo *patch_info;
6487 code_size = info->code_size;
6489 unwind_ops = info->unwind_ops;
6493 sprintf (start_symbol, "%s%s", acfg->user_symbol_prefix, name);
6495 emit_section_change (acfg, ".text", 0);
6496 emit_global (acfg, start_symbol, TRUE);
6497 emit_alignment_code (acfg, AOT_FUNC_ALIGNMENT);
6498 emit_label (acfg, start_symbol);
6500 sprintf (symbol, "%snamed_%s", acfg->temp_prefix, name);
6501 emit_label (acfg, symbol);
6504 * The code should access everything through the GOT, so we pass
6507 emit_and_reloc_code (acfg, NULL, code, code_size, ji, TRUE, NULL);
6509 emit_symbol_size (acfg, start_symbol, ".");
6512 sprintf (end_symbol, "%snamede_%s", acfg->temp_prefix, name);
6513 emit_label (acfg, end_symbol);
6518 /* Sort relocations */
6519 patches = g_ptr_array_new ();
6520 for (patch_info = ji; patch_info; patch_info = patch_info->next)
6521 if (patch_info->type != MONO_PATCH_INFO_NONE)
6522 g_ptr_array_add (patches, patch_info);
6523 g_ptr_array_sort (patches, compare_patches);
6525 buf_size = patches->len * 128 + 128;
6526 buf = (guint8 *)g_malloc (buf_size);
6529 encode_patch_list (acfg, patches, patches->len, FALSE, got_offset, p, &p);
6530 g_assert (p - buf < buf_size);
6531 g_ptr_array_free (patches, TRUE);
6533 sprintf (symbol, "%s%s_p", acfg->user_symbol_prefix, name);
6535 info_offset = add_to_blob (acfg, buf, p - buf);
6537 emit_section_change (acfg, RODATA_SECT, 0);
6538 emit_global (acfg, symbol, FALSE);
6539 emit_label (acfg, symbol);
6541 emit_int32 (acfg, info_offset);
6545 guint32 encoded_len;
6549 * Emit additional information which can be used to reconstruct a partial MonoTrampInfo.
6551 encoded = mono_unwind_ops_encode (info->unwind_ops, &encoded_len);
6552 uw_offset = get_unwind_info_offset (acfg, encoded, encoded_len);
6555 emit_symbol_diff (acfg, end_symbol, start_symbol, 0);
6556 emit_int32 (acfg, uw_offset);
6559 /* Emit debug info */
6561 char symbol2 [MAX_SYMBOL_SIZE];
6563 sprintf (symbol, "%s", name);
6564 sprintf (symbol2, "%snamed_%s", acfg->temp_prefix, name);
6567 mono_dwarf_writer_emit_trampoline (acfg->dwarf, symbol, symbol2, NULL, NULL, code_size, unwind_ops);
6573 static G_GNUC_UNUSED void
6574 emit_trampoline (MonoAotCompile *acfg, int got_offset, MonoTrampInfo *info)
6576 emit_trampoline_full (acfg, got_offset, info, TRUE);
6580 emit_trampolines (MonoAotCompile *acfg)
6582 char symbol [MAX_SYMBOL_SIZE];
6583 char end_symbol [MAX_SYMBOL_SIZE];
6584 int i, tramp_got_offset;
6586 #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
6590 if (!mono_aot_mode_is_full (&acfg->aot_opts) || acfg->aot_opts.llvm_only)
6593 g_assert (acfg->image->assembly);
6595 /* Currently, we emit most trampolines into the mscorlib AOT image. */
6596 if (strcmp (acfg->image->assembly->aname.name, "mscorlib") == 0) {
6597 #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
6598 MonoTrampInfo *info;
6601 * Emit the generic trampolines.
6603 * We could save some code by treating the generic trampolines as a wrapper
6604 * method, but that approach has its own complexities, so we choose the simpler
6607 for (tramp_type = 0; tramp_type < MONO_TRAMPOLINE_NUM; ++tramp_type) {
6608 /* we overload the boolean here to indicate the slightly different trampoline needed, see mono_arch_create_generic_trampoline() */
6609 #ifdef DISABLE_REMOTING
6610 if (tramp_type == MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING)
6613 #ifndef MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD
6614 if (tramp_type == MONO_TRAMPOLINE_HANDLER_BLOCK_GUARD)
6617 mono_arch_create_generic_trampoline ((MonoTrampolineType)tramp_type, &info, acfg->aot_opts.use_trampolines_page? 2: TRUE);
6618 emit_trampoline (acfg, acfg->got_offset, info);
6621 /* Emit the exception related code pieces */
6622 mono_arch_get_restore_context (&info, TRUE);
6623 emit_trampoline (acfg, acfg->got_offset, info);
6624 mono_arch_get_call_filter (&info, TRUE);
6625 emit_trampoline (acfg, acfg->got_offset, info);
6626 mono_arch_get_throw_exception (&info, TRUE);
6627 emit_trampoline (acfg, acfg->got_offset, info);
6628 mono_arch_get_rethrow_exception (&info, TRUE);
6629 emit_trampoline (acfg, acfg->got_offset, info);
6630 mono_arch_get_throw_corlib_exception (&info, TRUE);
6631 emit_trampoline (acfg, acfg->got_offset, info);
6633 #ifdef MONO_ARCH_HAVE_SDB_TRAMPOLINES
6634 mono_arch_create_sdb_trampoline (TRUE, &info, TRUE);
6635 emit_trampoline (acfg, acfg->got_offset, info);
6636 mono_arch_create_sdb_trampoline (FALSE, &info, TRUE);
6637 emit_trampoline (acfg, acfg->got_offset, info);
6640 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
6641 mono_arch_get_gsharedvt_trampoline (&info, TRUE);
6643 emit_trampoline_full (acfg, acfg->got_offset, info, TRUE);
6645 /* Create a separate out trampoline for more information in stack traces */
6646 info->name = g_strdup ("gsharedvt_out_trampoline");
6647 emit_trampoline_full (acfg, acfg->got_offset, info, TRUE);
6651 #if defined(MONO_ARCH_HAVE_GET_TRAMPOLINES)
6653 GSList *l = mono_arch_get_trampolines (TRUE);
6656 MonoTrampInfo *info = (MonoTrampInfo *)l->data;
6658 emit_trampoline (acfg, acfg->got_offset, info);
6664 for (i = 0; i < acfg->aot_opts.nrgctx_fetch_trampolines; ++i) {
6667 offset = MONO_RGCTX_SLOT_MAKE_RGCTX (i);
6668 mono_arch_create_rgctx_lazy_fetch_trampoline (offset, &info, TRUE);
6669 emit_trampoline (acfg, acfg->got_offset, info);
6672 offset = MONO_RGCTX_SLOT_MAKE_MRGCTX (i);
6673 mono_arch_create_rgctx_lazy_fetch_trampoline (offset, &info, TRUE);
6674 emit_trampoline (acfg, acfg->got_offset, info);
6678 #ifdef MONO_ARCH_HAVE_GENERAL_RGCTX_LAZY_FETCH_TRAMPOLINE
6679 mono_arch_create_general_rgctx_lazy_fetch_trampoline (&info, TRUE);
6680 emit_trampoline (acfg, acfg->got_offset, info);
6686 /* delegate_invoke_impl trampolines */
6687 l = mono_arch_get_delegate_invoke_impls ();
6689 MonoTrampInfo *info = (MonoTrampInfo *)l->data;
6691 emit_trampoline (acfg, acfg->got_offset, info);
6696 #ifdef MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD_AOT
6697 mono_arch_create_handler_block_trampoline (&info, TRUE);
6698 emit_trampoline (acfg, acfg->got_offset, info);
6701 #endif /* #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES */
6703 /* Emit trampolines which are numerous */
6706 * These include the following:
6707 * - specific trampolines
6708 * - static rgctx invoke trampolines
6710 * These trampolines have the same code, they are parameterized by GOT
6712 * They are defined in this file, in the arch_... routines instead of
6713 * in tramp-<ARCH>.c, since it is easier to do it this way.
6717 * When running in aot-only mode, we can't create specific trampolines at
6718 * runtime, so we create a few, and save them in the AOT file.
6719 * Normal trampolines embed their argument as a literal inside the
6720 * trampoline code, we can't do that here, so instead we embed an offset
6721 * which needs to be added to the trampoline address to get the address of
6722 * the GOT slot which contains the argument value.
6723 * The generated trampolines jump to the generic trampolines using another
6724 * GOT slot, which will be setup by the AOT loader to point to the
6725 * generic trampoline code of the given type.
6729 * FIXME: Maybe we should use more specific trampolines (i.e. one class init for
6733 emit_section_change (acfg, ".text", 0);
6735 tramp_got_offset = acfg->got_offset;
6737 for (ntype = 0; ntype < MONO_AOT_TRAMP_NUM; ++ntype) {
6739 case MONO_AOT_TRAMP_SPECIFIC:
6740 sprintf (symbol, "specific_trampolines");
6742 case MONO_AOT_TRAMP_STATIC_RGCTX:
6743 sprintf (symbol, "static_rgctx_trampolines");
6745 case MONO_AOT_TRAMP_IMT_THUNK:
6746 sprintf (symbol, "imt_thunks");
6748 case MONO_AOT_TRAMP_GSHAREDVT_ARG:
6749 sprintf (symbol, "gsharedvt_arg_trampolines");
6752 g_assert_not_reached ();
6755 sprintf (end_symbol, "%s_e", symbol);
6757 if (acfg->aot_opts.write_symbols)
6758 emit_local_symbol (acfg, symbol, end_symbol, TRUE);
6760 emit_alignment_code (acfg, AOT_FUNC_ALIGNMENT);
6761 emit_info_symbol (acfg, symbol);
6763 acfg->trampoline_got_offset_base [ntype] = tramp_got_offset;
6765 for (i = 0; i < acfg->num_trampolines [ntype]; ++i) {
6769 case MONO_AOT_TRAMP_SPECIFIC:
6770 arch_emit_specific_trampoline (acfg, tramp_got_offset, &tramp_size);
6771 tramp_got_offset += 2;
6773 case MONO_AOT_TRAMP_STATIC_RGCTX:
6774 arch_emit_static_rgctx_trampoline (acfg, tramp_got_offset, &tramp_size);
6775 tramp_got_offset += 2;
6777 case MONO_AOT_TRAMP_IMT_THUNK:
6778 arch_emit_imt_thunk (acfg, tramp_got_offset, &tramp_size);
6779 tramp_got_offset += 1;
6781 case MONO_AOT_TRAMP_GSHAREDVT_ARG:
6782 arch_emit_gsharedvt_arg_trampoline (acfg, tramp_got_offset, &tramp_size);
6783 tramp_got_offset += 2;
6786 g_assert_not_reached ();
6788 if (!acfg->trampoline_size [ntype]) {
6789 g_assert (tramp_size);
6790 acfg->trampoline_size [ntype] = tramp_size;
6794 emit_label (acfg, end_symbol);
6795 emit_int32 (acfg, 0);
6798 arch_emit_specific_trampoline_pages (acfg);
6800 /* Reserve some entries at the end of the GOT for our use */
6801 acfg->num_trampoline_got_entries = tramp_got_offset - acfg->got_offset;
6804 acfg->got_offset += acfg->num_trampoline_got_entries;
6808 str_begins_with (const char *str1, const char *str2)
6810 int len = strlen (str2);
6811 return strncmp (str1, str2, len) == 0;
6815 mono_aot_readonly_field_override (MonoClassField *field)
6818 for (rdv = readonly_values; rdv; rdv = rdv->next) {
6819 char *p = rdv->name;
6821 len = strlen (field->parent->name_space);
6822 if (strncmp (p, field->parent->name_space, len))
6827 len = strlen (field->parent->name);
6828 if (strncmp (p, field->parent->name, len))
6833 if (strcmp (p, field->name))
6835 switch (rdv->type) {
6837 return &rdv->value.i1;
6839 return &rdv->value.i2;
6841 return &rdv->value.i4;
6850 add_readonly_value (MonoAotOptions *opts, const char *val)
6855 /* the format of val is:
6856 * namespace.typename.fieldname=type/value
6857 * type can be i1 for uint8/int8/boolean, i2 for uint16/int16/char, i4 for uint32/int32
6859 fval = strrchr (val, '/');
6861 fprintf (stderr, "AOT : invalid format for readonly field '%s', missing /.\n", val);
6864 tval = strrchr (val, '=');
6866 fprintf (stderr, "AOT : invalid format for readonly field '%s', missing =.\n", val);
6869 rdv = g_new0 (ReadOnlyValue, 1);
6870 rdv->name = (char *)g_malloc0 (tval - val + 1);
6871 memcpy (rdv->name, val, tval - val);
6874 if (strncmp (tval, "i1", 2) == 0) {
6875 rdv->value.i1 = atoi (fval);
6876 rdv->type = MONO_TYPE_I1;
6877 } else if (strncmp (tval, "i2", 2) == 0) {
6878 rdv->value.i2 = atoi (fval);
6879 rdv->type = MONO_TYPE_I2;
6880 } else if (strncmp (tval, "i4", 2) == 0) {
6881 rdv->value.i4 = atoi (fval);
6882 rdv->type = MONO_TYPE_I4;
6884 fprintf (stderr, "AOT : unsupported type for readonly field '%s'.\n", tval);
6887 rdv->next = readonly_values;
6888 readonly_values = rdv;
6892 clean_path (gchar * path)
6897 if (g_str_has_suffix (path, G_DIR_SEPARATOR_S))
6900 gchar *clean = g_strconcat (path, G_DIR_SEPARATOR_S, NULL);
6907 wrap_path (gchar * path)
6913 // If the string contains no spaces, just return the original string.
6914 if (strstr (path, " ") == NULL)
6917 // If the string is already wrapped in quotes, return it.
6918 len = strlen (path);
6919 if (len >= 2 && path[0] == '\"' && path[len-1] == '\"')
6922 // If the string contains spaces, then wrap it in quotes.
6923 gchar *clean = g_strdup_printf ("\"%s\"", path);
6928 // Duplicate a char range and add it to a ptrarray, but only if it is nonempty
6930 ptr_array_add_range_if_nonempty(GPtrArray *args, gchar const *start, gchar const *end)
6932 ptrdiff_t len = end-start;
6934 g_ptr_array_add (args, g_strndup (start, len));
6938 mono_aot_split_options (const char *aot_options)
6940 enum MonoAotOptionState {
6941 MONO_AOT_OPTION_STATE_DEFAULT,
6942 MONO_AOT_OPTION_STATE_STRING,
6943 MONO_AOT_OPTION_STATE_ESCAPE,
6946 GPtrArray *args = g_ptr_array_new ();
6947 enum MonoAotOptionState state = MONO_AOT_OPTION_STATE_DEFAULT;
6948 gchar const *opt_start = aot_options;
6949 gboolean end_of_string = FALSE;
6952 g_return_val_if_fail (aot_options != NULL, NULL);
6954 while ((cur = *aot_options) != '\0') {
6955 if (state == MONO_AOT_OPTION_STATE_ESCAPE)
6960 // If we find a quote, then if we're in the default case then
6961 // it means we've found the start of a string, if not then it
6962 // means we've found the end of the string and should switch
6963 // back to the default case.
6965 case MONO_AOT_OPTION_STATE_DEFAULT:
6966 state = MONO_AOT_OPTION_STATE_STRING;
6968 case MONO_AOT_OPTION_STATE_STRING:
6969 state = MONO_AOT_OPTION_STATE_DEFAULT;
6971 case MONO_AOT_OPTION_STATE_ESCAPE:
6972 g_assert_not_reached ();
6977 // If we've found an escaping operator, then this means we
6978 // should not process the next character if inside a string.
6979 if (state == MONO_AOT_OPTION_STATE_STRING)
6980 state = MONO_AOT_OPTION_STATE_ESCAPE;
6983 // If we're in the default state then this means we've found
6984 // an option, store it for later processing.
6985 if (state == MONO_AOT_OPTION_STATE_DEFAULT)
6993 // If the next character is end of string, then process the last option.
6994 if (*(aot_options) == '\0') {
6995 end_of_string = TRUE;
7001 ptr_array_add_range_if_nonempty (args, opt_start, aot_options);
7002 opt_start = ++aot_options;
7005 goto restart; // Check for null and continue loop
7012 mono_aot_parse_options (const char *aot_options, MonoAotOptions *opts)
7016 args = mono_aot_split_options (aot_options ? aot_options : "");
7017 for (int i = 0; i < args->len; ++i) {
7018 const char *arg = (const char *)g_ptr_array_index (args, i);
7020 if (str_begins_with (arg, "outfile=")) {
7021 opts->outfile = g_strdup (arg + strlen ("outfile="));
7022 } else if (str_begins_with (arg, "llvm-outfile=")) {
7023 opts->llvm_outfile = g_strdup (arg + strlen ("llvm-outfile="));
7024 } else if (str_begins_with (arg, "temp-path=")) {
7025 opts->temp_path = clean_path (g_strdup (arg + strlen ("temp-path=")));
7026 } else if (str_begins_with (arg, "save-temps")) {
7027 opts->save_temps = TRUE;
7028 } else if (str_begins_with (arg, "keep-temps")) {
7029 opts->save_temps = TRUE;
7030 } else if (str_begins_with (arg, "write-symbols")) {
7031 opts->write_symbols = TRUE;
7032 } else if (str_begins_with (arg, "no-write-symbols")) {
7033 opts->write_symbols = FALSE;
7034 } else if (str_begins_with (arg, "metadata-only")) {
7035 opts->metadata_only = TRUE;
7036 } else if (str_begins_with (arg, "bind-to-runtime-version")) {
7037 opts->bind_to_runtime_version = TRUE;
7038 } else if (str_begins_with (arg, "full")) {
7039 opts->mode = MONO_AOT_MODE_FULL;
7040 } else if (str_begins_with (arg, "hybrid")) {
7041 opts->mode = MONO_AOT_MODE_HYBRID;
7042 } else if (str_begins_with (arg, "threads=")) {
7043 opts->nthreads = atoi (arg + strlen ("threads="));
7044 } else if (str_begins_with (arg, "static")) {
7045 opts->static_link = TRUE;
7046 opts->no_dlsym = TRUE;
7047 } else if (str_begins_with (arg, "asmonly")) {
7048 opts->asm_only = TRUE;
7049 } else if (str_begins_with (arg, "asmwriter")) {
7050 opts->asm_writer = TRUE;
7051 } else if (str_begins_with (arg, "nodebug")) {
7052 opts->nodebug = TRUE;
7053 } else if (str_begins_with (arg, "dwarfdebug")) {
7054 opts->dwarf_debug = TRUE;
7055 } else if (str_begins_with (arg, "nopagetrampolines")) {
7056 opts->use_trampolines_page = FALSE;
7057 } else if (str_begins_with (arg, "ntrampolines=")) {
7058 opts->ntrampolines = atoi (arg + strlen ("ntrampolines="));
7059 } else if (str_begins_with (arg, "nrgctx-trampolines=")) {
7060 opts->nrgctx_trampolines = atoi (arg + strlen ("nrgctx-trampolines="));
7061 } else if (str_begins_with (arg, "nrgctx-fetch-trampolines=")) {
7062 opts->nrgctx_fetch_trampolines = atoi (arg + strlen ("nrgctx-fetch-trampolines="));
7063 } else if (str_begins_with (arg, "nimt-trampolines=")) {
7064 opts->nimt_trampolines = atoi (arg + strlen ("nimt-trampolines="));
7065 } else if (str_begins_with (arg, "ngsharedvt-trampolines=")) {
7066 opts->ngsharedvt_arg_trampolines = atoi (arg + strlen ("ngsharedvt-trampolines="));
7067 } else if (str_begins_with (arg, "tool-prefix=")) {
7068 opts->tool_prefix = g_strdup (arg + strlen ("tool-prefix="));
7069 } else if (str_begins_with (arg, "ld-flags=")) {
7070 opts->ld_flags = g_strdup (arg + strlen ("ld-flags="));
7071 } else if (str_begins_with (arg, "soft-debug")) {
7072 opts->soft_debug = TRUE;
7073 } else if (str_begins_with (arg, "gen-seq-points-file=")) {
7074 fprintf (stderr, "Mono Warning: aot option gen-seq-points-file= is deprecated.\n");
7075 } else if (str_begins_with (arg, "gen-seq-points-file")) {
7076 fprintf (stderr, "Mono Warning: aot option gen-seq-points-file is deprecated.\n");
7077 } else if (str_begins_with (arg, "msym-dir=")) {
7078 debug_options.no_seq_points_compact_data = FALSE;
7079 opts->gen_msym_dir = TRUE;
7080 opts->gen_msym_dir_path = g_strdup (arg + strlen ("msym_dir="));;
7081 } else if (str_begins_with (arg, "direct-pinvoke")) {
7082 opts->direct_pinvoke = TRUE;
7083 } else if (str_begins_with (arg, "direct-icalls")) {
7084 opts->direct_icalls = TRUE;
7085 } else if (str_begins_with (arg, "no-direct-calls")) {
7086 opts->no_direct_calls = TRUE;
7087 } else if (str_begins_with (arg, "print-skipped")) {
7088 opts->print_skipped_methods = TRUE;
7089 } else if (str_begins_with (arg, "stats")) {
7091 } else if (str_begins_with (arg, "no-instances")) {
7092 opts->no_instances = TRUE;
7093 } else if (str_begins_with (arg, "log-generics")) {
7094 opts->log_generics = TRUE;
7095 } else if (str_begins_with (arg, "log-instances=")) {
7096 opts->log_instances = TRUE;
7097 opts->instances_logfile_path = g_strdup (arg + strlen ("log-instances="));
7098 } else if (str_begins_with (arg, "log-instances")) {
7099 opts->log_instances = TRUE;
7100 } else if (str_begins_with (arg, "internal-logfile=")) {
7101 opts->logfile = g_strdup (arg + strlen ("internal-logfile="));
7102 } else if (str_begins_with (arg, "mtriple=")) {
7103 opts->mtriple = g_strdup (arg + strlen ("mtriple="));
7104 } else if (str_begins_with (arg, "llvm-path=")) {
7105 opts->llvm_path = clean_path (g_strdup (arg + strlen ("llvm-path=")));
7106 } else if (!strcmp (arg, "llvm")) {
7108 } else if (str_begins_with (arg, "readonly-value=")) {
7109 add_readonly_value (opts, arg + strlen ("readonly-value="));
7110 } else if (str_begins_with (arg, "info")) {
7111 printf ("AOT target setup: %s.\n", AOT_TARGET_STR);
7113 } else if (str_begins_with (arg, "gc-maps")) {
7114 mini_gc_enable_gc_maps_for_aot ();
7115 } else if (str_begins_with (arg, "dump")) {
7116 opts->dump_json = TRUE;
7117 } else if (str_begins_with (arg, "llvmonly")) {
7118 opts->mode = MONO_AOT_MODE_FULL;
7120 opts->llvm_only = TRUE;
7121 } else if (str_begins_with (arg, "data-outfile=")) {
7122 opts->data_outfile = g_strdup (arg + strlen ("data-outfile="));
7123 } else if (str_begins_with (arg, "help") || str_begins_with (arg, "?")) {
7124 printf ("Supported options for --aot:\n");
7125 printf (" outfile=\n");
7126 printf (" llvm-outfile=\n");
7127 printf (" llvm-path=\n");
7128 printf (" temp-path=\n");
7129 printf (" save-temps\n");
7130 printf (" keep-temps\n");
7131 printf (" write-symbols\n");
7132 printf (" metadata-only\n");
7133 printf (" bind-to-runtime-version\n");
7135 printf (" threads=\n");
7136 printf (" static\n");
7137 printf (" asmonly\n");
7138 printf (" asmwriter\n");
7139 printf (" nodebug\n");
7140 printf (" dwarfdebug\n");
7141 printf (" ntrampolines=\n");
7142 printf (" nrgctx-trampolines=\n");
7143 printf (" nimt-trampolines=\n");
7144 printf (" ngsharedvt-trampolines=\n");
7145 printf (" tool-prefix=\n");
7146 printf (" readonly-value=\n");
7147 printf (" soft-debug\n");
7148 printf (" msym-dir=\n");
7149 printf (" gc-maps\n");
7150 printf (" print-skipped\n");
7151 printf (" no-instances\n");
7152 printf (" stats\n");
7155 printf (" help/?\n");
7158 fprintf (stderr, "AOT : Unknown argument '%s'.\n", arg);
7162 g_free ((gpointer) arg);
7165 if (opts->use_trampolines_page) {
7166 opts->ntrampolines = 0;
7167 opts->nrgctx_trampolines = 0;
7168 opts->nimt_trampolines = 0;
7169 opts->ngsharedvt_arg_trampolines = 0;
7172 g_ptr_array_free (args, /*free_seg=*/TRUE);
7176 add_token_info_hash (gpointer key, gpointer value, gpointer user_data)
7178 MonoMethod *method = (MonoMethod*)key;
7179 MonoJumpInfoToken *ji = (MonoJumpInfoToken*)value;
7180 MonoAotCompile *acfg = (MonoAotCompile *)user_data;
7181 MonoJumpInfoToken *new_ji;
7183 new_ji = (MonoJumpInfoToken *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfoToken));
7184 new_ji->image = ji->image;
7185 new_ji->token = ji->token;
7186 g_hash_table_insert (acfg->token_info_hash, method, new_ji);
7190 can_encode_class (MonoAotCompile *acfg, MonoClass *klass)
7192 if (klass->type_token)
7194 if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR) || (klass->byval_arg.type == MONO_TYPE_PTR))
7197 return can_encode_class (acfg, klass->element_class);
7202 can_encode_method (MonoAotCompile *acfg, MonoMethod *method)
7204 if (method->wrapper_type) {
7205 switch (method->wrapper_type) {
7206 case MONO_WRAPPER_NONE:
7207 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
7208 case MONO_WRAPPER_XDOMAIN_INVOKE:
7209 case MONO_WRAPPER_STFLD:
7210 case MONO_WRAPPER_LDFLD:
7211 case MONO_WRAPPER_LDFLDA:
7212 case MONO_WRAPPER_STFLD_REMOTE:
7213 case MONO_WRAPPER_STELEMREF:
7214 case MONO_WRAPPER_ISINST:
7215 case MONO_WRAPPER_PROXY_ISINST:
7216 case MONO_WRAPPER_ALLOC:
7217 case MONO_WRAPPER_REMOTING_INVOKE:
7218 case MONO_WRAPPER_UNKNOWN:
7219 case MONO_WRAPPER_WRITE_BARRIER:
7220 case MONO_WRAPPER_DELEGATE_INVOKE:
7221 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE:
7222 case MONO_WRAPPER_DELEGATE_END_INVOKE:
7223 case MONO_WRAPPER_SYNCHRONIZED:
7225 case MONO_WRAPPER_MANAGED_TO_MANAGED:
7226 case MONO_WRAPPER_CASTCLASS: {
7227 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
7236 //printf ("Skip (wrapper call): %d -> %s\n", patch_info->type, mono_method_full_name (patch_info->data.method, TRUE));
7240 if (!method->token) {
7241 /* The method is part of a constructed type like Int[,].Set (). */
7242 if (!g_hash_table_lookup (acfg->token_info_hash, method)) {
7243 if (method->klass->rank)
7253 can_encode_patch (MonoAotCompile *acfg, MonoJumpInfo *patch_info)
7255 switch (patch_info->type) {
7256 case MONO_PATCH_INFO_METHOD:
7257 case MONO_PATCH_INFO_METHODCONST:
7258 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
7259 MonoMethod *method = patch_info->data.method;
7261 return can_encode_method (acfg, method);
7263 case MONO_PATCH_INFO_VTABLE:
7264 case MONO_PATCH_INFO_CLASS:
7265 case MONO_PATCH_INFO_IID:
7266 case MONO_PATCH_INFO_ADJUSTED_IID:
7267 if (!can_encode_class (acfg, patch_info->data.klass)) {
7268 //printf ("Skip: %s\n", mono_type_full_name (&patch_info->data.klass->byval_arg));
7272 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
7273 if (!can_encode_class (acfg, patch_info->data.del_tramp->klass)) {
7274 //printf ("Skip: %s\n", mono_type_full_name (&patch_info->data.klass->byval_arg));
7279 case MONO_PATCH_INFO_RGCTX_FETCH:
7280 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
7281 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
7283 if (!can_encode_method (acfg, entry->method))
7285 if (!can_encode_patch (acfg, entry->data))
7297 is_concrete_type (MonoType *t)
7302 if (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR)
7304 if (t->type == MONO_TYPE_GENERICINST) {
7305 MonoGenericContext *orig_ctx;
7306 MonoGenericInst *inst;
7309 if (!MONO_TYPE_ISSTRUCT (t))
7311 klass = mono_class_from_mono_type (t);
7312 orig_ctx = &klass->generic_class->context;
7314 inst = orig_ctx->class_inst;
7316 for (i = 0; i < inst->type_argc; ++i) {
7317 arg = mini_get_underlying_type (inst->type_argv [i]);
7318 if (!is_concrete_type (arg))
7322 inst = orig_ctx->method_inst;
7324 for (i = 0; i < inst->type_argc; ++i) {
7325 arg = mini_get_underlying_type (inst->type_argv [i]);
7326 if (!is_concrete_type (arg))
7334 /* LOCKING: Assumes the loader lock is held */
7336 add_gsharedvt_wrappers (MonoAotCompile *acfg, MonoMethodSignature *sig, gboolean gsharedvt_in, gboolean gsharedvt_out)
7338 MonoMethod *wrapper;
7339 gboolean concrete = TRUE;
7340 gboolean add_in = gsharedvt_in;
7341 gboolean add_out = gsharedvt_out;
7343 if (gsharedvt_in && g_hash_table_lookup (acfg->gsharedvt_in_signatures, sig))
7345 if (gsharedvt_out && g_hash_table_lookup (acfg->gsharedvt_out_signatures, sig))
7348 if (!add_in && !add_out)
7351 if (mini_is_gsharedvt_variable_signature (sig))
7355 g_hash_table_insert (acfg->gsharedvt_in_signatures, sig, sig);
7357 g_hash_table_insert (acfg->gsharedvt_out_signatures, sig, sig);
7359 if (!sig->has_type_parameters) {
7360 //printf ("%s\n", mono_signature_full_name (sig));
7363 wrapper = mini_get_gsharedvt_in_sig_wrapper (sig);
7364 add_extra_method (acfg, wrapper);
7366 if (gsharedvt_out) {
7367 wrapper = mini_get_gsharedvt_out_sig_wrapper (sig);
7368 add_extra_method (acfg, wrapper);
7371 /* For signatures creared during generic sharing, convert them to a concrete signature if possible */
7372 MonoMethodSignature *copy = mono_metadata_signature_dup (sig);
7375 //printf ("%s\n", mono_signature_full_name (sig));
7377 copy->ret = mini_get_underlying_type (sig->ret);
7378 if (!is_concrete_type (copy->ret))
7380 for (i = 0; i < sig->param_count; ++i) {
7381 copy->params [i] = mini_get_underlying_type (sig->params [i]);
7382 if (!is_concrete_type (copy->params [i]))
7386 copy->has_type_parameters = 0;
7389 wrapper = mini_get_gsharedvt_in_sig_wrapper (copy);
7390 add_extra_method (acfg, wrapper);
7393 if (gsharedvt_out) {
7394 wrapper = mini_get_gsharedvt_out_sig_wrapper (copy);
7395 add_extra_method (acfg, wrapper);
7398 //printf ("%s\n", mono_method_full_name (wrapper, 1));
7406 * AOT compile a given method.
7407 * This function might be called by multiple threads, so it must be thread-safe.
7410 compile_method (MonoAotCompile *acfg, MonoMethod *method)
7413 MonoJumpInfo *patch_info;
7416 MonoMethod *wrapped;
7420 if (acfg->aot_opts.metadata_only)
7423 mono_acfg_lock (acfg);
7424 index = get_method_index (acfg, method);
7425 mono_acfg_unlock (acfg);
7427 /* fixme: maybe we can also precompile wrapper methods */
7428 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
7429 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
7430 (method->flags & METHOD_ATTRIBUTE_ABSTRACT)) {
7431 //printf ("Skip (impossible): %s\n", mono_method_full_name (method, TRUE));
7435 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
7438 wrapped = mono_marshal_method_from_wrapper (method);
7439 if (wrapped && (wrapped->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) && wrapped->is_generic)
7440 // FIXME: The wrapper should be generic too, but it is not
7443 if (method->wrapper_type == MONO_WRAPPER_COMINTEROP)
7446 InterlockedIncrement (&acfg->stats.mcount);
7449 if (method->is_generic || method->klass->generic_container) {
7450 InterlockedIncrement (&acfg->stats.genericcount);
7455 //acfg->aot_opts.print_skipped_methods = TRUE;
7458 * Since these methods are the only ones which are compiled with
7459 * AOT support, and they are not used by runtime startup/shutdown code,
7460 * the runtime will not see AOT methods during AOT compilation,so it
7461 * does not need to support them by creating a fake GOT etc.
7463 flags = JIT_FLAG_AOT;
7464 if (mono_aot_mode_is_full (&acfg->aot_opts))
7465 flags = (JitFlags)(flags | JIT_FLAG_FULL_AOT);
7467 flags = (JitFlags)(flags | JIT_FLAG_LLVM);
7468 if (acfg->aot_opts.llvm_only)
7469 flags = (JitFlags)(flags | JIT_FLAG_LLVM_ONLY | JIT_FLAG_EXPLICIT_NULL_CHECKS);
7470 if (acfg->aot_opts.no_direct_calls)
7471 flags = (JitFlags)(flags | JIT_FLAG_NO_DIRECT_ICALLS);
7473 jit_timer = mono_time_track_start ();
7474 cfg = mini_method_compile (method, acfg->opts, mono_get_root_domain (), flags, 0, index);
7475 mono_time_track_end (&mono_jit_stats.jit_time, jit_timer);
7477 if (cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
7478 if (acfg->aot_opts.print_skipped_methods)
7479 printf ("Skip (gshared failure): %s (%s)\n", mono_method_get_full_name (method), cfg->exception_message);
7480 InterlockedIncrement (&acfg->stats.genericcount);
7483 if (cfg->exception_type != MONO_EXCEPTION_NONE) {
7484 if (acfg->aot_opts.print_skipped_methods)
7485 printf ("Skip (JIT failure): %s\n", mono_method_get_full_name (method));
7486 /* Let the exception happen at runtime */
7490 if (cfg->disable_aot) {
7491 if (acfg->aot_opts.print_skipped_methods)
7492 printf ("Skip (disabled): %s\n", mono_method_get_full_name (method));
7493 InterlockedIncrement (&acfg->stats.ocount);
7496 cfg->method_index = index;
7498 /* Nullify patches which need no aot processing */
7499 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7500 switch (patch_info->type) {
7501 case MONO_PATCH_INFO_LABEL:
7502 case MONO_PATCH_INFO_BB:
7503 patch_info->type = MONO_PATCH_INFO_NONE;
7510 /* Collect method->token associations from the cfg */
7511 mono_acfg_lock (acfg);
7512 g_hash_table_foreach (cfg->token_info_hash, add_token_info_hash, acfg);
7513 mono_acfg_unlock (acfg);
7514 g_hash_table_destroy (cfg->token_info_hash);
7515 cfg->token_info_hash = NULL;
7518 * Check for absolute addresses.
7521 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7522 switch (patch_info->type) {
7523 case MONO_PATCH_INFO_ABS:
7524 /* unable to handle this */
7533 if (acfg->aot_opts.print_skipped_methods)
7534 printf ("Skip (abs call): %s\n", mono_method_get_full_name (method));
7535 InterlockedIncrement (&acfg->stats.abscount);
7539 /* Lock for the rest of the code */
7540 mono_acfg_lock (acfg);
7543 acfg->stats.method_categories [METHOD_CAT_GSHAREDVT] ++;
7544 else if (cfg->gshared)
7545 acfg->stats.method_categories [METHOD_CAT_INST] ++;
7546 else if (cfg->method->wrapper_type)
7547 acfg->stats.method_categories [METHOD_CAT_WRAPPER] ++;
7549 acfg->stats.method_categories [METHOD_CAT_NORMAL] ++;
7552 * Check for methods/klasses we can't encode.
7555 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7556 if (!can_encode_patch (acfg, patch_info))
7561 if (acfg->aot_opts.print_skipped_methods)
7562 printf ("Skip (patches): %s\n", mono_method_get_full_name (method));
7563 acfg->stats.ocount++;
7564 mono_acfg_unlock (acfg);
7568 if (!cfg->compile_llvm)
7569 acfg->has_jitted_code = TRUE;
7571 if (method->is_inflated && acfg->aot_opts.log_instances) {
7572 if (acfg->instances_logfile)
7573 fprintf (acfg->instances_logfile, "%s ### %d\n", mono_method_get_full_name (method), cfg->code_size);
7575 printf ("%s ### %d\n", mono_method_get_full_name (method), cfg->code_size);
7578 /* Adds generic instances referenced by this method */
7580 * The depth is used to avoid infinite loops when generic virtual recursion is
7583 depth = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_depth, method));
7584 if (!acfg->aot_opts.no_instances && depth < 32) {
7585 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7586 switch (patch_info->type) {
7587 case MONO_PATCH_INFO_RGCTX_FETCH:
7588 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX:
7589 case MONO_PATCH_INFO_METHOD: {
7590 MonoMethod *m = NULL;
7592 if (patch_info->type == MONO_PATCH_INFO_RGCTX_FETCH || patch_info->type == MONO_PATCH_INFO_RGCTX_SLOT_INDEX) {
7593 MonoJumpInfoRgctxEntry *e = patch_info->data.rgctx_entry;
7595 if (e->info_type == MONO_RGCTX_INFO_GENERIC_METHOD_CODE)
7596 m = e->data->data.method;
7598 m = patch_info->data.method;
7603 if (m->is_inflated) {
7604 if (!(mono_class_generic_sharing_enabled (m->klass) &&
7605 mono_method_is_generic_sharable_full (m, FALSE, FALSE, FALSE)) &&
7606 (!method_has_type_vars (m) || mono_method_is_generic_sharable_full (m, TRUE, TRUE, FALSE))) {
7607 if (m->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
7608 if (mono_aot_mode_is_full (&acfg->aot_opts) && !method_has_type_vars (m))
7609 add_extra_method_with_depth (acfg, mono_marshal_get_native_wrapper (m, TRUE, TRUE), depth + 1);
7611 add_extra_method_with_depth (acfg, m, depth + 1);
7612 add_types_from_method_header (acfg, m);
7615 add_generic_class_with_depth (acfg, m->klass, depth + 5, "method");
7617 if (m->wrapper_type == MONO_WRAPPER_MANAGED_TO_MANAGED) {
7618 WrapperInfo *info = mono_marshal_get_wrapper_info (m);
7620 if (info && info->subtype == WRAPPER_SUBTYPE_ELEMENT_ADDR)
7621 add_extra_method_with_depth (acfg, m, depth + 1);
7625 case MONO_PATCH_INFO_VTABLE: {
7626 MonoClass *klass = patch_info->data.klass;
7628 if (klass->generic_class && !mini_class_is_generic_sharable (klass))
7629 add_generic_class_with_depth (acfg, klass, depth + 5, "vtable");
7632 case MONO_PATCH_INFO_SFLDA: {
7633 MonoClass *klass = patch_info->data.field->parent;
7635 /* The .cctor needs to run at runtime. */
7636 if (klass->generic_class && !mono_generic_context_is_sharable_full (&klass->generic_class->context, FALSE, FALSE) && mono_class_get_cctor (klass))
7637 add_extra_method_with_depth (acfg, mono_class_get_cctor (klass), depth + 1);
7646 /* Determine whenever the method has GOT slots */
7647 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7648 switch (patch_info->type) {
7649 case MONO_PATCH_INFO_GOT_OFFSET:
7650 case MONO_PATCH_INFO_NONE:
7651 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
7652 case MONO_PATCH_INFO_GC_NURSERY_START:
7653 case MONO_PATCH_INFO_GC_NURSERY_BITS:
7655 case MONO_PATCH_INFO_IMAGE:
7656 /* The assembly is stored in GOT slot 0 */
7657 if (patch_info->data.image != acfg->image)
7658 cfg->has_got_slots = TRUE;
7661 if (!is_plt_patch (patch_info) || (cfg->compile_llvm && acfg->aot_opts.llvm_only))
7662 cfg->has_got_slots = TRUE;
7667 if (!cfg->has_got_slots)
7668 InterlockedIncrement (&acfg->stats.methods_without_got_slots);
7670 /* Add gsharedvt wrappers for signatures used by the method */
7671 if (acfg->aot_opts.llvm_only) {
7674 if (!cfg->method->wrapper_type || cfg->method->wrapper_type == MONO_WRAPPER_DELEGATE_INVOKE)
7675 /* These only need out wrappers */
7676 add_gsharedvt_wrappers (acfg, mono_method_signature (cfg->method), FALSE, TRUE);
7678 for (l = cfg->signatures; l; l = l->next) {
7679 MonoMethodSignature *sig = mono_metadata_signature_dup ((MonoMethodSignature*)l->data);
7681 /* These only need in wrappers */
7682 add_gsharedvt_wrappers (acfg, sig, TRUE, FALSE);
7687 * FIXME: Instead of this mess, allocate the patches from the aot mempool.
7689 /* Make a copy of the patch info which is in the mempool */
7691 MonoJumpInfo *patches = NULL, *patches_end = NULL;
7693 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7694 MonoJumpInfo *new_patch_info = mono_patch_info_dup_mp (acfg->mempool, patch_info);
7697 patches = new_patch_info;
7699 patches_end->next = new_patch_info;
7700 patches_end = new_patch_info;
7702 cfg->patch_info = patches;
7704 /* Make a copy of the unwind info */
7706 GSList *l, *unwind_ops;
7710 for (l = cfg->unwind_ops; l; l = l->next) {
7711 op = (MonoUnwindOp *)mono_mempool_alloc (acfg->mempool, sizeof (MonoUnwindOp));
7712 memcpy (op, l->data, sizeof (MonoUnwindOp));
7713 unwind_ops = g_slist_prepend_mempool (acfg->mempool, unwind_ops, op);
7715 cfg->unwind_ops = g_slist_reverse (unwind_ops);
7717 /* Make a copy of the argument/local info */
7720 MonoInst **args, **locals;
7721 MonoMethodSignature *sig;
7722 MonoMethodHeader *header;
7725 sig = mono_method_signature (method);
7726 args = (MonoInst **)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst*) * (sig->param_count + sig->hasthis));
7727 for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
7728 args [i] = (MonoInst *)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst));
7729 memcpy (args [i], cfg->args [i], sizeof (MonoInst));
7733 header = mono_method_get_header_checked (method, &error);
7734 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
7735 locals = (MonoInst **)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst*) * header->num_locals);
7736 for (i = 0; i < header->num_locals; ++i) {
7737 locals [i] = (MonoInst *)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst));
7738 memcpy (locals [i], cfg->locals [i], sizeof (MonoInst));
7740 mono_metadata_free_mh (header);
7741 cfg->locals = locals;
7744 /* Free some fields used by cfg to conserve memory */
7745 mono_empty_compile (cfg);
7747 //printf ("Compile: %s\n", mono_method_full_name (method, TRUE));
7749 while (index >= acfg->cfgs_size) {
7750 MonoCompile **new_cfgs;
7753 new_size = acfg->cfgs_size * 2;
7754 new_cfgs = g_new0 (MonoCompile*, new_size);
7755 memcpy (new_cfgs, acfg->cfgs, sizeof (MonoCompile*) * acfg->cfgs_size);
7756 g_free (acfg->cfgs);
7757 acfg->cfgs = new_cfgs;
7758 acfg->cfgs_size = new_size;
7760 acfg->cfgs [index] = cfg;
7762 g_hash_table_insert (acfg->method_to_cfg, cfg->orig_method, cfg);
7764 mono_update_jit_stats (cfg);
7767 if (cfg->orig_method->wrapper_type)
7768 g_ptr_array_add (acfg->extra_methods, cfg->orig_method);
7771 mono_acfg_unlock (acfg);
7773 InterlockedIncrement (&acfg->stats.ccount);
7777 compile_thread_main (gpointer *user_data)
7779 MonoDomain *domain = (MonoDomain *)user_data [0];
7780 MonoAotCompile *acfg = (MonoAotCompile *)user_data [1];
7781 GPtrArray *methods = (GPtrArray *)user_data [2];
7785 MonoThread *thread = mono_thread_attach (domain);
7786 mono_thread_set_name_internal (thread->internal_thread, mono_string_new (mono_get_root_domain (), "AOT compiler"), TRUE, &error);
7787 mono_error_assert_ok (&error);
7789 for (i = 0; i < methods->len; ++i)
7790 compile_method (acfg, (MonoMethod *)g_ptr_array_index (methods, i));
7794 load_profile_files (MonoAotCompile *acfg)
7798 int file_index, res, method_index, i;
7801 GList *unordered, *l;
7806 tmp = g_strdup_printf ("%s/.mono/aot-profile-data/%s-%d", g_get_home_dir (), acfg->image->assembly_name, file_index);
7808 if (!g_file_test (tmp, G_FILE_TEST_IS_REGULAR)) {
7813 infile = fopen (tmp, "r");
7816 printf ("Using profile data file '%s'\n", tmp);
7821 res = fscanf (infile, "%32s\n", ver);
7822 if ((res != 1) || strcmp (ver, "#VER:2") != 0) {
7823 printf ("Profile file has wrong version or invalid.\n");
7830 MonoMethodDesc *desc;
7833 if (fgets (name, 1023, infile) == NULL)
7836 /* Kill the newline */
7837 if (strlen (name) > 0)
7838 name [strlen (name) - 1] = '\0';
7840 desc = mono_method_desc_new (name, TRUE);
7842 method = mono_method_desc_search_in_image (desc, acfg->image);
7844 if (method && mono_method_get_token (method)) {
7845 token = mono_method_get_token (method);
7846 method_index = mono_metadata_token_index (token) - 1;
7849 for (i = 0; i < acfg->method_order->len; ++i) {
7850 if (g_ptr_array_index (acfg->method_order, i) == GUINT_TO_POINTER (method_index)) {
7856 g_ptr_array_add (acfg->method_order, GUINT_TO_POINTER (method_index));
7858 //printf ("No method found matching '%s'.\n", name);
7864 /* Add missing methods */
7866 for (method_index = 0; method_index < acfg->image->tables [MONO_TABLE_METHOD].rows; ++method_index) {
7868 for (i = 0; i < acfg->method_order->len; ++i) {
7869 if (g_ptr_array_index (acfg->method_order, i) == GUINT_TO_POINTER (method_index)) {
7875 unordered = g_list_prepend (unordered, GUINT_TO_POINTER (method_index));
7877 unordered = g_list_reverse (unordered);
7878 for (l = unordered; l; l = l->next)
7879 g_ptr_array_add (acfg->method_order, l->data);
7882 /* Used by the LLVM backend */
7884 mono_aot_get_got_offset (MonoJumpInfo *ji)
7886 return get_got_offset (llvm_acfg, TRUE, ji);
7890 * mono_aot_is_shared_got_offset:
7892 * Return whenever OFFSET refers to a GOT slot which is preinitialized
7893 * when the AOT image is loaded.
7896 mono_aot_is_shared_got_offset (int offset)
7898 return offset < llvm_acfg->nshared_got_entries;
7902 mono_aot_get_method_name (MonoCompile *cfg)
7904 if (llvm_acfg->aot_opts.static_link)
7905 /* Include the assembly name too to avoid duplicate symbol errors */
7906 return g_strdup_printf ("%s_%s", llvm_acfg->assembly_name_sym, get_debug_sym (cfg->orig_method, "", llvm_acfg->method_label_hash));
7908 return get_debug_sym (cfg->orig_method, "", llvm_acfg->method_label_hash);
7912 * mono_aot_is_linkonce_method:
7914 * Return whenever METHOD should be emitted with linkonce linkage,
7915 * eliminating duplicate copies when compiling in static mode.
7918 mono_aot_is_linkonce_method (MonoMethod *method)
7924 // FIXME: Add more cases
7925 if (method->wrapper_type != MONO_WRAPPER_UNKNOWN)
7927 info = mono_marshal_get_wrapper_info (method);
7928 if ((info && (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG)))
7935 append_mangled_type (GString *s, MonoType *t)
7938 g_string_append_printf (s, "b");
7940 case MONO_TYPE_VOID:
7941 g_string_append_printf (s, "void_");
7944 g_string_append_printf (s, "i1");
7947 g_string_append_printf (s, "u1");
7950 g_string_append_printf (s, "i2");
7953 g_string_append_printf (s, "u2");
7956 g_string_append_printf (s, "i4");
7959 g_string_append_printf (s, "u4");
7962 g_string_append_printf (s, "i8");
7965 g_string_append_printf (s, "u8");
7968 g_string_append_printf (s, "ii");
7971 g_string_append_printf (s, "ui");
7974 g_string_append_printf (s, "fl");
7977 g_string_append_printf (s, "do");
7980 char *fullname = mono_type_full_name (t);
7986 * Have to create a mangled name which is:
7990 temp = g_string_new ("");
7991 len = strlen (fullname);
7992 for (i = 0; i < len; ++i) {
7993 char c = fullname [i];
7995 g_string_append_c (temp, c);
7996 } else if (c == '_') {
7997 g_string_append_c (temp, '_');
7998 g_string_append_c (temp, '_');
8000 g_string_append_c (temp, '_');
8001 g_string_append_printf (temp, "%x", (int)c);
8004 temps = g_string_free (temp, FALSE);
8005 /* Include the length to avoid different length type names aliasing each other */
8006 g_string_append_printf (s, "cl%x_%s_", strlen (temps), temps);
8015 append_mangled_signature (GString *s, MonoMethodSignature *sig)
8020 supported = append_mangled_type (s, sig->ret);
8024 g_string_append_printf (s, "this_");
8025 for (i = 0; i < sig->param_count; ++i) {
8026 supported = append_mangled_type (s, sig->params [i]);
8035 * mono_aot_get_mangled_method_name:
8037 * Return a unique mangled name for METHOD, or NULL.
8040 mono_aot_get_mangled_method_name (MonoMethod *method)
8046 // FIXME: Add more cases
8047 if (method->wrapper_type != MONO_WRAPPER_UNKNOWN)
8049 info = mono_marshal_get_wrapper_info (method);
8050 if (!(info && (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG)))
8053 s = g_string_new ("");
8055 g_string_append_printf (s, "aot_method_w_");
8057 switch (info->subtype) {
8058 case WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG:
8059 g_string_append_printf (s, "gsharedvt_in_");
8061 case WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG:
8062 g_string_append_printf (s, "gsharedvt_out_");
8065 g_assert_not_reached ();
8069 supported = append_mangled_signature (s, info->d.gsharedvt.sig);
8071 g_string_free (s, TRUE);
8075 return g_string_free (s, FALSE);
8079 mono_aot_is_direct_callable (MonoJumpInfo *patch_info)
8081 return is_direct_callable (llvm_acfg, NULL, patch_info);
8085 mono_aot_mark_unused_llvm_plt_entry (MonoJumpInfo *patch_info)
8087 MonoPltEntry *plt_entry;
8089 plt_entry = get_plt_entry (llvm_acfg, patch_info);
8090 plt_entry->llvm_used = FALSE;
8094 mono_aot_get_direct_call_symbol (MonoJumpInfoType type, gconstpointer data)
8096 const char *sym = NULL;
8098 if (llvm_acfg->aot_opts.direct_icalls) {
8099 if (type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
8100 /* Call to a C function implementing a jit icall */
8101 sym = mono_lookup_jit_icall_symbol ((const char *)data);
8102 } else if (type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
8103 MonoMethod *method = (MonoMethod *)data;
8104 if (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8105 sym = mono_lookup_icall_symbol (method);
8106 else if (llvm_acfg->aot_opts.direct_pinvoke)
8107 sym = get_pinvoke_import (llvm_acfg, method);
8110 return g_strdup (sym);
8116 mono_aot_get_plt_symbol (MonoJumpInfoType type, gconstpointer data)
8118 MonoJumpInfo *ji = (MonoJumpInfo *)mono_mempool_alloc (llvm_acfg->mempool, sizeof (MonoJumpInfo));
8119 MonoPltEntry *plt_entry;
8120 const char *sym = NULL;
8123 ji->data.target = data;
8125 if (!can_encode_patch (llvm_acfg, ji))
8128 if (llvm_acfg->aot_opts.direct_icalls) {
8129 if (type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
8130 /* Call to a C function implementing a jit icall */
8131 sym = mono_lookup_jit_icall_symbol ((const char *)data);
8132 } else if (type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
8133 MonoMethod *method = (MonoMethod *)data;
8134 if (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8135 sym = mono_lookup_icall_symbol (method);
8138 return g_strdup (sym);
8141 plt_entry = get_plt_entry (llvm_acfg, ji);
8142 plt_entry->llvm_used = TRUE;
8144 #if defined(TARGET_MACH)
8145 return g_strdup_printf (plt_entry->llvm_symbol + strlen (llvm_acfg->llvm_label_prefix));
8147 return g_strdup_printf (plt_entry->llvm_symbol);
8152 mono_aot_get_method_index (MonoMethod *method)
8154 g_assert (llvm_acfg);
8155 return get_method_index (llvm_acfg, method);
8159 mono_aot_patch_info_dup (MonoJumpInfo* ji)
8163 mono_acfg_lock (llvm_acfg);
8164 res = mono_patch_info_dup_mp (llvm_acfg->mempool, ji);
8165 mono_acfg_unlock (llvm_acfg);
8171 execute_system (const char * command)
8176 // We need an extra set of quotes around the whole command to properly handle commands
8177 // with spaces since internally the command is called through "cmd /c.
8178 command = g_strdup_printf ("\"%s\"", command);
8180 int size = MultiByteToWideChar (CP_UTF8, 0 , command , -1, NULL , 0);
8181 wchar_t* wstr = g_malloc (sizeof (wchar_t) * size);
8182 MultiByteToWideChar (CP_UTF8, 0, command, -1, wstr , size);
8183 status = _wsystem (wstr);
8187 #elif defined (HAVE_SYSTEM)
8188 status = system (command);
8190 g_assert_not_reached ();
8201 * Emit the LLVM code into an LLVM bytecode file, and compile it using the LLVM
8205 emit_llvm_file (MonoAotCompile *acfg)
8207 char *command, *opts, *tempbc, *optbc, *output_fname;
8209 if (acfg->aot_opts.llvm_only && acfg->aot_opts.asm_only) {
8210 tempbc = g_strdup_printf ("%s.bc", acfg->tmpbasename);
8211 optbc = g_strdup (acfg->aot_opts.llvm_outfile);
8213 tempbc = g_strdup_printf ("%s.bc", acfg->tmpbasename);
8214 optbc = g_strdup_printf ("%s.opt.bc", acfg->tmpbasename);
8217 mono_llvm_emit_aot_module (tempbc, g_path_get_basename (acfg->image->name));
8220 * FIXME: Experiment with adding optimizations, the -std-compile-opts set takes
8221 * a lot of time, and doesn't seem to save much space.
8222 * The following optimizations cannot be enabled:
8224 * - 'jump-threading' changes our blockaddress references to int constants.
8225 * - 'basiccg' fails because it contains:
8226 * if (CS && !isa<IntrinsicInst>(II)) {
8227 * and isa<IntrinsicInst> is false for invokes to intrinsics (iltests.exe).
8228 * - 'prune-eh' and 'functionattrs' depend on 'basiccg'.
8229 * The opt list below was produced by taking the output of:
8230 * llvm-as < /dev/null | opt -O2 -disable-output -debug-pass=Arguments
8231 * then removing tailcallelim + the global opts.
8232 * strip-dead-prototypes deletes unused intrinsics definitions.
8234 /* The dse pass is disabled because of #13734 and #17616 */
8236 * The dse bug is in DeadStoreElimination.cpp:isOverwrite ():
8237 * // If we have no DataLayout information around, then the size of the store
8238 * // is inferrable from the pointee type. If they are the same type, then
8239 * // we know that the store is safe.
8240 * if (AA.getDataLayout() == 0 &&
8241 * Later.Ptr->getType() == Earlier.Ptr->getType()) {
8242 * return OverwriteComplete;
8243 * Here, if 'Earlier' refers to a memset, and Later has no size info, it mistakenly thinks the memset is redundant.
8245 if (acfg->aot_opts.llvm_only)
8246 // FIXME: This doesn't work yet
8247 opts = g_strdup ("");
8249 #if LLVM_API_VERSION > 100
8250 opts = g_strdup ("-O2 -disable-tail-calls");
8252 opts = g_strdup ("-targetlibinfo -no-aa -basicaa -notti -instcombine -simplifycfg -inline-cost -inline -sroa -domtree -early-cse -lazy-value-info -correlated-propagation -simplifycfg -instcombine -simplifycfg -reassociate -domtree -loops -loop-simplify -lcssa -loop-rotate -licm -lcssa -loop-unswitch -instcombine -scalar-evolution -loop-simplify -lcssa -indvars -loop-idiom -loop-deletion -loop-unroll -memdep -gvn -memdep -memcpyopt -sccp -instcombine -lazy-value-info -correlated-propagation -domtree -memdep -adce -simplifycfg -instcombine -strip-dead-prototypes -domtree -verify");
8254 command = g_strdup_printf ("\"%sopt\" -f %s -o \"%s\" \"%s\"", acfg->aot_opts.llvm_path, opts, optbc, tempbc);
8255 aot_printf (acfg, "Executing opt: %s\n", command);
8256 if (execute_system (command) != 0)
8260 if (acfg->aot_opts.llvm_only && acfg->aot_opts.asm_only)
8261 /* Nothing else to do */
8264 if (acfg->aot_opts.llvm_only) {
8265 /* Use the stock clang from xcode */
8267 command = g_strdup_printf ("clang++ -fexceptions -march=x86-64 -fpic -msse -msse2 -msse3 -msse4 -O2 -fno-optimize-sibling-calls -Wno-override-module -c -o \"%s\" \"%s.opt.bc\"", acfg->llvm_ofile, acfg->tmpbasename);
8269 aot_printf (acfg, "Executing clang: %s\n", command);
8270 if (execute_system (command) != 0)
8275 if (!acfg->llc_args)
8276 acfg->llc_args = g_string_new ("");
8278 /* Verbose asm slows down llc greatly */
8279 g_string_append (acfg->llc_args, " -asm-verbose=false");
8281 if (acfg->aot_opts.mtriple)
8282 g_string_append_printf (acfg->llc_args, " -mtriple=%s", acfg->aot_opts.mtriple);
8284 g_string_append (acfg->llc_args, " -disable-gnu-eh-frame -enable-mono-eh-frame");
8286 g_string_append_printf (acfg->llc_args, " -mono-eh-frame-symbol=%s%s", acfg->user_symbol_prefix, acfg->llvm_eh_frame_symbol);
8288 #if LLVM_API_VERSION > 100
8289 g_string_append_printf (acfg->llc_args, " -disable-tail-calls");
8292 #if defined(TARGET_MACH) && defined(TARGET_ARM)
8293 /* ios requires PIC code now */
8294 g_string_append_printf (acfg->llc_args, " -relocation-model=pic");
8296 if (llvm_acfg->aot_opts.static_link)
8297 g_string_append_printf (acfg->llc_args, " -relocation-model=static");
8299 g_string_append_printf (acfg->llc_args, " -relocation-model=pic");
8302 if (acfg->llvm_owriter) {
8303 /* Emit an object file directly */
8304 output_fname = g_strdup_printf ("%s", acfg->llvm_ofile);
8305 g_string_append_printf (acfg->llc_args, " -filetype=obj");
8307 output_fname = g_strdup_printf ("%s", acfg->llvm_sfile);
8309 command = g_strdup_printf ("\"%sllc\" %s -o \"%s\" \"%s.opt.bc\"", acfg->aot_opts.llvm_path, acfg->llc_args->str, output_fname, acfg->tmpbasename);
8310 g_free (output_fname);
8312 aot_printf (acfg, "Executing llc: %s\n", command);
8314 if (execute_system (command) != 0)
8321 emit_code (MonoAotCompile *acfg)
8323 int oindex, i, prev_index;
8324 gboolean saved_unbox_info = FALSE;
8325 char symbol [MAX_SYMBOL_SIZE];
8327 if (acfg->aot_opts.llvm_only)
8330 #if defined(TARGET_POWERPC64)
8331 sprintf (symbol, ".Lgot_addr");
8332 emit_section_change (acfg, ".text", 0);
8333 emit_alignment (acfg, 8);
8334 emit_label (acfg, symbol);
8335 emit_pointer (acfg, acfg->got_symbol);
8339 * This global symbol is used to compute the address of each method using the
8340 * code_offsets array. It is also used to compute the memory ranges occupied by
8341 * AOT code, so it must be equal to the address of the first emitted method.
8343 emit_section_change (acfg, ".text", 0);
8344 emit_alignment_code (acfg, 8);
8345 emit_info_symbol (acfg, "jit_code_start");
8348 * Emit some padding so the local symbol for the first method doesn't have the
8349 * same address as 'methods'.
8351 emit_padding (acfg, 16);
8353 for (oindex = 0; oindex < acfg->method_order->len; ++oindex) {
8357 i = GPOINTER_TO_UINT (g_ptr_array_index (acfg->method_order, oindex));
8359 cfg = acfg->cfgs [i];
8364 method = cfg->orig_method;
8366 /* Emit unbox trampoline */
8367 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype && !(acfg->aot_opts.llvm_only && cfg->compile_llvm)) {
8368 sprintf (symbol, "ut_%d", get_method_index (acfg, method));
8370 emit_section_change (acfg, ".text", 0);
8372 if (acfg->thumb_mixed && cfg->compile_llvm) {
8373 emit_set_thumb_mode (acfg);
8374 fprintf (acfg->fp, "\n.thumb_func\n");
8377 emit_label (acfg, symbol);
8379 arch_emit_unbox_trampoline (acfg, cfg, cfg->orig_method, cfg->asm_symbol);
8381 if (acfg->thumb_mixed && cfg->compile_llvm)
8382 emit_set_arm_mode (acfg);
8384 if (!saved_unbox_info) {
8385 char user_symbol [128];
8387 sprintf (user_symbol, "%sunbox_trampoline_p", acfg->user_symbol_prefix);
8389 emit_label (acfg, "ut_end");
8391 unwind_ops = mono_unwind_get_cie_program ();
8392 save_unwind_info (acfg, user_symbol, unwind_ops);
8393 mono_free_unwind_info (unwind_ops);
8395 /* Save the unbox trampoline size */
8396 emit_symbol_diff (acfg, "ut_end", symbol, 0);
8398 saved_unbox_info = TRUE;
8402 if (cfg->compile_llvm)
8403 acfg->stats.llvm_count ++;
8405 emit_method_code (acfg, cfg);
8408 emit_section_change (acfg, ".text", 0);
8409 emit_alignment_code (acfg, 8);
8410 emit_info_symbol (acfg, "jit_code_end");
8412 /* To distinguish it from the next symbol */
8413 emit_padding (acfg, 4);
8416 * Add .no_dead_strip directives for all LLVM methods to prevent the OSX linker
8417 * from optimizing them away, since it doesn't see that code_offsets references them.
8418 * JITted methods don't need this since they are referenced using assembler local
8420 * FIXME: This is why write-symbols doesn't work on OSX ?
8422 if (acfg->llvm && acfg->need_no_dead_strip) {
8423 fprintf (acfg->fp, "\n");
8424 for (i = 0; i < acfg->nmethods; ++i) {
8425 if (acfg->cfgs [i] && acfg->cfgs [i]->compile_llvm)
8426 fprintf (acfg->fp, ".no_dead_strip %s\n", acfg->cfgs [i]->asm_symbol);
8431 * To work around linker issues, we emit a table of branches, and disassemble them at runtime.
8432 * This is PIE code, and the linker can update it if needed.
8435 sprintf (symbol, "method_addresses");
8436 emit_section_change (acfg, ".text", 1);
8437 emit_alignment_code (acfg, 8);
8438 emit_info_symbol (acfg, symbol);
8439 emit_local_symbol (acfg, symbol, "method_addresses_end", TRUE);
8440 emit_unset_mode (acfg);
8441 if (acfg->need_no_dead_strip)
8442 fprintf (acfg->fp, " .no_dead_strip %s\n", symbol);
8444 for (i = 0; i < acfg->nmethods; ++i) {
8445 #ifdef MONO_ARCH_AOT_SUPPORTED
8448 if (acfg->cfgs [i]) {
8449 if (acfg->aot_opts.llvm_only && acfg->cfgs [i]->compile_llvm)
8450 /* Obtained by calling a generated function in the LLVM image */
8451 arch_emit_direct_call (acfg, symbol, FALSE, FALSE, NULL, &call_size);
8453 arch_emit_direct_call (acfg, acfg->cfgs [i]->asm_symbol, FALSE, acfg->thumb_mixed && acfg->cfgs [i]->compile_llvm, NULL, &call_size);
8455 arch_emit_direct_call (acfg, symbol, FALSE, FALSE, NULL, &call_size);
8460 sprintf (symbol, "method_addresses_end");
8461 emit_label (acfg, symbol);
8464 /* Emit a sorted table mapping methods to the index of their unbox trampolines */
8465 sprintf (symbol, "unbox_trampolines");
8466 emit_section_change (acfg, RODATA_SECT, 0);
8467 emit_alignment (acfg, 8);
8468 emit_info_symbol (acfg, symbol);
8471 for (i = 0; i < acfg->nmethods; ++i) {
8476 cfg = acfg->cfgs [i];
8480 method = cfg->orig_method;
8482 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype && !(acfg->aot_opts.llvm_only && cfg->compile_llvm)) {
8483 index = get_method_index (acfg, method);
8485 emit_int32 (acfg, index);
8486 /* Make sure the table is sorted by index */
8487 g_assert (index > prev_index);
8491 sprintf (symbol, "unbox_trampolines_end");
8492 emit_info_symbol (acfg, symbol);
8493 emit_int32 (acfg, 0);
8495 /* Emit a separate table with the trampoline addresses/offsets */
8496 sprintf (symbol, "unbox_trampoline_addresses");
8497 emit_section_change (acfg, ".text", 0);
8498 emit_alignment_code (acfg, 8);
8499 emit_info_symbol (acfg, symbol);
8501 for (i = 0; i < acfg->nmethods; ++i) {
8506 cfg = acfg->cfgs [i];
8510 method = cfg->orig_method;
8512 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype && !(acfg->aot_opts.llvm_only && cfg->compile_llvm)) {
8513 #ifdef MONO_ARCH_AOT_SUPPORTED
8516 index = get_method_index (acfg, method);
8517 sprintf (symbol, "ut_%d", index);
8519 arch_emit_direct_call (acfg, symbol, FALSE, acfg->thumb_mixed && cfg->compile_llvm, NULL, &call_size);
8523 emit_int32 (acfg, 0);
8527 emit_info (MonoAotCompile *acfg)
8532 offsets = g_new0 (gint32, acfg->nmethods);
8534 for (oindex = 0; oindex < acfg->method_order->len; ++oindex) {
8535 i = GPOINTER_TO_UINT (g_ptr_array_index (acfg->method_order, oindex));
8537 if (acfg->cfgs [i]) {
8538 emit_method_info (acfg, acfg->cfgs [i]);
8539 offsets [i] = acfg->cfgs [i]->method_info_offset;
8545 acfg->stats.offsets_size += emit_offset_table (acfg, "method_info_offsets", MONO_AOT_TABLE_METHOD_INFO_OFFSETS, acfg->nmethods, 10, offsets);
8550 #endif /* #if !defined(DISABLE_AOT) && !defined(DISABLE_JIT) */
8552 #define rot(x,k) (((x)<<(k)) | ((x)>>(32-(k))))
8553 #define mix(a,b,c) { \
8554 a -= c; a ^= rot(c, 4); c += b; \
8555 b -= a; b ^= rot(a, 6); a += c; \
8556 c -= b; c ^= rot(b, 8); b += a; \
8557 a -= c; a ^= rot(c,16); c += b; \
8558 b -= a; b ^= rot(a,19); a += c; \
8559 c -= b; c ^= rot(b, 4); b += a; \
8561 #define final(a,b,c) { \
8562 c ^= b; c -= rot(b,14); \
8563 a ^= c; a -= rot(c,11); \
8564 b ^= a; b -= rot(a,25); \
8565 c ^= b; c -= rot(b,16); \
8566 a ^= c; a -= rot(c,4); \
8567 b ^= a; b -= rot(a,14); \
8568 c ^= b; c -= rot(b,24); \
8572 mono_aot_type_hash (MonoType *t1)
8574 guint hash = t1->type;
8576 hash |= t1->byref << 6; /* do not collide with t1->type values */
8578 case MONO_TYPE_VALUETYPE:
8579 case MONO_TYPE_CLASS:
8580 case MONO_TYPE_SZARRAY:
8581 /* check if the distribution is good enough */
8582 return ((hash << 5) - hash) ^ mono_metadata_str_hash (t1->data.klass->name);
8584 return ((hash << 5) - hash) ^ mono_metadata_type_hash (t1->data.type);
8585 case MONO_TYPE_ARRAY:
8586 return ((hash << 5) - hash) ^ mono_metadata_type_hash (&t1->data.array->eklass->byval_arg);
8587 case MONO_TYPE_GENERICINST:
8588 return ((hash << 5) - hash) ^ 0;
8595 * mono_aot_method_hash:
8597 * Return a hash code for methods which only depends on metadata.
8600 mono_aot_method_hash (MonoMethod *method)
8602 MonoMethodSignature *sig;
8606 guint32 *hashes_start, *hashes;
8608 MonoGenericInst *class_ginst = NULL;
8609 MonoGenericInst *ginst = NULL;
8611 /* Similar to the hash in mono_method_get_imt_slot () */
8613 sig = mono_method_signature (method);
8615 if (method->klass->generic_class)
8616 class_ginst = method->klass->generic_class->context.class_inst;
8617 if (method->is_inflated)
8618 ginst = ((MonoMethodInflated*)method)->context.method_inst;
8620 hashes_count = sig->param_count + 5 + (class_ginst ? class_ginst->type_argc : 0) + (ginst ? ginst->type_argc : 0);
8621 hashes_start = (guint32 *)g_malloc0 (hashes_count * sizeof (guint32));
8622 hashes = hashes_start;
8624 /* Some wrappers are assigned to random classes */
8625 if (!method->wrapper_type || method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
8626 klass = method->klass;
8628 klass = mono_defaults.object_class;
8630 if (!method->wrapper_type) {
8633 if (klass->generic_class)
8634 full_name = mono_type_full_name (&klass->generic_class->container_class->byval_arg);
8636 full_name = mono_type_full_name (&klass->byval_arg);
8638 hashes [0] = mono_metadata_str_hash (full_name);
8642 hashes [0] = mono_metadata_str_hash (klass->name);
8643 hashes [1] = mono_metadata_str_hash (klass->name_space);
8645 if (method->wrapper_type == MONO_WRAPPER_STFLD || method->wrapper_type == MONO_WRAPPER_LDFLD || method->wrapper_type == MONO_WRAPPER_LDFLDA)
8646 /* The method name includes a stringified pointer */
8649 hashes [2] = mono_metadata_str_hash (method->name);
8650 hashes [3] = method->wrapper_type;
8651 hashes [4] = mono_aot_type_hash (sig->ret);
8653 for (i = 0; i < sig->param_count; i++) {
8654 hashes [hindex ++] = mono_aot_type_hash (sig->params [i]);
8657 for (i = 0; i < class_ginst->type_argc; ++i)
8658 hashes [hindex ++] = mono_aot_type_hash (class_ginst->type_argv [i]);
8661 for (i = 0; i < ginst->type_argc; ++i)
8662 hashes [hindex ++] = mono_aot_type_hash (ginst->type_argv [i]);
8664 g_assert (hindex == hashes_count);
8666 /* Setup internal state */
8667 a = b = c = 0xdeadbeef + (((guint32)hashes_count)<<2);
8669 /* Handle most of the hashes */
8670 while (hashes_count > 3) {
8679 /* Handle the last 3 hashes (all the case statements fall through) */
8680 switch (hashes_count) {
8681 case 3 : c += hashes [2];
8682 case 2 : b += hashes [1];
8683 case 1 : a += hashes [0];
8685 case 0: /* nothing left to add */
8689 free (hashes_start);
8698 * mono_aot_get_array_helper_from_wrapper;
8700 * Get the helper method in Array called by an array wrapper method.
8703 mono_aot_get_array_helper_from_wrapper (MonoMethod *method)
8707 MonoGenericContext ctx;
8708 MonoType *args [16];
8709 char *mname, *iname, *s, *s2, *helper_name = NULL;
8711 prefix = "System.Collections.Generic";
8712 s = g_strdup_printf ("%s", method->name + strlen (prefix) + 1);
8713 s2 = strstr (s, "`1.");
8719 //printf ("X: %s %s\n", iname, mname);
8721 if (!strcmp (iname, "IList"))
8722 helper_name = g_strdup_printf ("InternalArray__%s", mname);
8724 helper_name = g_strdup_printf ("InternalArray__%s_%s", iname, mname);
8725 m = mono_class_get_method_from_name (mono_defaults.array_class, helper_name, mono_method_signature (method)->param_count);
8727 g_free (helper_name);
8730 if (m->is_generic) {
8732 memset (&ctx, 0, sizeof (ctx));
8733 args [0] = &method->klass->element_class->byval_arg;
8734 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
8735 m = mono_class_inflate_generic_method_checked (m, &ctx, &error);
8736 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
8742 #if !defined(DISABLE_AOT) && !defined(DISABLE_JIT)
8744 typedef struct HashEntry {
8745 guint32 key, value, index;
8746 struct HashEntry *next;
8750 * emit_extra_methods:
8752 * Emit methods which are not in the METHOD table, like wrappers.
8755 emit_extra_methods (MonoAotCompile *acfg)
8757 int i, table_size, buf_size;
8759 guint32 *info_offsets;
8762 HashEntry *entry, *new_entry;
8763 int nmethods, max_chain_length;
8766 info_offsets = g_new0 (guint32, acfg->extra_methods->len);
8768 /* Emit method info */
8770 for (i = 0; i < acfg->extra_methods->len; ++i) {
8771 MonoMethod *method = (MonoMethod *)g_ptr_array_index (acfg->extra_methods, i);
8772 MonoCompile *cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, method);
8778 p = buf = (guint8 *)g_malloc (buf_size);
8782 method = cfg->method_to_register;
8784 encode_method_ref (acfg, method, p, &p);
8786 g_assert ((p - buf) < buf_size);
8788 info_offsets [i] = add_to_blob (acfg, buf, p - buf);
8793 * Construct a chained hash table for mapping indexes in extra_method_info to
8796 table_size = g_spaced_primes_closest ((int)(nmethods * 1.5));
8797 table = g_ptr_array_sized_new (table_size);
8798 for (i = 0; i < table_size; ++i)
8799 g_ptr_array_add (table, NULL);
8800 chain_lengths = g_new0 (int, table_size);
8801 max_chain_length = 0;
8802 for (i = 0; i < acfg->extra_methods->len; ++i) {
8803 MonoMethod *method = (MonoMethod *)g_ptr_array_index (acfg->extra_methods, i);
8804 MonoCompile *cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, method);
8810 key = info_offsets [i];
8811 value = get_method_index (acfg, method);
8813 hash = mono_aot_method_hash (method) % table_size;
8814 //printf ("X: %s %x\n", mono_method_get_full_name (method), mono_aot_method_hash (method));
8816 chain_lengths [hash] ++;
8817 max_chain_length = MAX (max_chain_length, chain_lengths [hash]);
8819 new_entry = (HashEntry *)mono_mempool_alloc0 (acfg->mempool, sizeof (HashEntry));
8820 new_entry->key = key;
8821 new_entry->value = value;
8823 entry = (HashEntry *)g_ptr_array_index (table, hash);
8824 if (entry == NULL) {
8825 new_entry->index = hash;
8826 g_ptr_array_index (table, hash) = new_entry;
8829 entry = entry->next;
8831 entry->next = new_entry;
8832 new_entry->index = table->len;
8833 g_ptr_array_add (table, new_entry);
8836 g_free (chain_lengths);
8838 //printf ("MAX: %d\n", max_chain_length);
8840 buf_size = table->len * 12 + 4;
8841 p = buf = (guint8 *)g_malloc (buf_size);
8842 encode_int (table_size, p, &p);
8844 for (i = 0; i < table->len; ++i) {
8845 HashEntry *entry = (HashEntry *)g_ptr_array_index (table, i);
8847 if (entry == NULL) {
8848 encode_int (0, p, &p);
8849 encode_int (0, p, &p);
8850 encode_int (0, p, &p);
8852 //g_assert (entry->key > 0);
8853 encode_int (entry->key, p, &p);
8854 encode_int (entry->value, p, &p);
8856 encode_int (entry->next->index, p, &p);
8858 encode_int (0, p, &p);
8861 g_assert (p - buf <= buf_size);
8863 /* Emit the table */
8864 emit_aot_data (acfg, MONO_AOT_TABLE_EXTRA_METHOD_TABLE, "extra_method_table", buf, p - buf);
8869 * Emit a table reverse mapping method indexes to their index in extra_method_info.
8870 * This is used by mono_aot_find_jit_info ().
8872 buf_size = acfg->extra_methods->len * 8 + 4;
8873 p = buf = (guint8 *)g_malloc (buf_size);
8874 encode_int (acfg->extra_methods->len, p, &p);
8875 for (i = 0; i < acfg->extra_methods->len; ++i) {
8876 MonoMethod *method = (MonoMethod *)g_ptr_array_index (acfg->extra_methods, i);
8878 encode_int (get_method_index (acfg, method), p, &p);
8879 encode_int (info_offsets [i], p, &p);
8881 emit_aot_data (acfg, MONO_AOT_TABLE_EXTRA_METHOD_INFO_OFFSETS, "extra_method_info_offsets", buf, p - buf);
8884 g_free (info_offsets);
8885 g_ptr_array_free (table, TRUE);
8889 generate_aotid (guint8* aotid)
8891 gpointer *rand_handle;
8895 rand_handle = mono_rand_init (NULL, 0);
8897 mono_rand_try_get_bytes (rand_handle, aotid, 16, &error);
8898 mono_error_assert_ok (&error);
8900 mono_rand_close (rand_handle);
8904 emit_exception_info (MonoAotCompile *acfg)
8908 SeqPointData sp_data;
8909 gboolean seq_points_to_file = FALSE;
8911 offsets = g_new0 (gint32, acfg->nmethods);
8912 for (i = 0; i < acfg->nmethods; ++i) {
8913 if (acfg->cfgs [i]) {
8914 MonoCompile *cfg = acfg->cfgs [i];
8916 // By design aot-runtime decode_exception_debug_info is not able to load sequence point debug data from a file.
8917 // As it is not possible to load debug data from a file its is also not possible to store it in a file.
8918 gboolean method_seq_points_to_file = acfg->aot_opts.gen_msym_dir &&
8919 cfg->gen_seq_points && !cfg->gen_sdb_seq_points;
8920 gboolean method_seq_points_to_binary = cfg->gen_seq_points && !method_seq_points_to_file;
8922 emit_exception_debug_info (acfg, cfg, method_seq_points_to_binary);
8923 offsets [i] = cfg->ex_info_offset;
8925 if (method_seq_points_to_file) {
8926 if (!seq_points_to_file) {
8927 mono_seq_point_data_init (&sp_data, acfg->nmethods);
8928 seq_points_to_file = TRUE;
8930 mono_seq_point_data_add (&sp_data, cfg->method->token, cfg->method_index, cfg->seq_point_info);
8937 if (seq_points_to_file) {
8938 char *aotid = mono_guid_to_string_minimal (acfg->image->aotid);
8939 char *dir = g_build_filename (acfg->aot_opts.gen_msym_dir_path, aotid, NULL);
8940 char *image_basename = g_path_get_basename (acfg->image->name);
8941 char *aot_file = g_strdup_printf("%s%s", image_basename, SEQ_POINT_AOT_EXT);
8942 char *aot_file_path = g_build_filename (dir, aot_file, NULL);
8944 if (g_ensure_directory_exists (aot_file_path) == FALSE) {
8945 fprintf (stderr, "AOT : failed to create msym directory: %s\n", aot_file_path);
8949 mono_seq_point_data_write (&sp_data, aot_file_path);
8950 mono_seq_point_data_free (&sp_data);
8954 g_free (image_basename);
8956 g_free (aot_file_path);
8959 acfg->stats.offsets_size += emit_offset_table (acfg, "ex_info_offsets", MONO_AOT_TABLE_EX_INFO_OFFSETS, acfg->nmethods, 10, offsets);
8964 emit_unwind_info (MonoAotCompile *acfg)
8969 if (acfg->aot_opts.llvm_only) {
8970 g_assert (acfg->unwind_ops->len == 0);
8975 * The unwind info contains a lot of duplicates so we emit each unique
8976 * entry once, and only store the offset from the start of the table in the
8980 sprintf (symbol, "unwind_info");
8981 emit_section_change (acfg, RODATA_SECT, 1);
8982 emit_alignment (acfg, 8);
8983 emit_info_symbol (acfg, symbol);
8985 for (i = 0; i < acfg->unwind_ops->len; ++i) {
8986 guint32 index = GPOINTER_TO_UINT (g_ptr_array_index (acfg->unwind_ops, i));
8987 guint8 *unwind_info;
8988 guint32 unwind_info_len;
8992 unwind_info = mono_get_cached_unwind_info (index, &unwind_info_len);
8995 encode_value (unwind_info_len, p, &p);
8996 emit_bytes (acfg, buf, p - buf);
8997 emit_bytes (acfg, unwind_info, unwind_info_len);
8999 acfg->stats.unwind_info_size += (p - buf) + unwind_info_len;
9004 emit_class_info (MonoAotCompile *acfg)
9009 offsets = g_new0 (gint32, acfg->image->tables [MONO_TABLE_TYPEDEF].rows);
9010 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i)
9011 offsets [i] = emit_klass_info (acfg, MONO_TOKEN_TYPE_DEF | (i + 1));
9013 acfg->stats.offsets_size += emit_offset_table (acfg, "class_info_offsets", MONO_AOT_TABLE_CLASS_INFO_OFFSETS, acfg->image->tables [MONO_TABLE_TYPEDEF].rows, 10, offsets);
9017 typedef struct ClassNameTableEntry {
9018 guint32 token, index;
9019 struct ClassNameTableEntry *next;
9020 } ClassNameTableEntry;
9023 emit_class_name_table (MonoAotCompile *acfg)
9025 int i, table_size, buf_size;
9026 guint32 token, hash;
9031 ClassNameTableEntry *entry, *new_entry;
9034 * Construct a chained hash table for mapping class names to typedef tokens.
9036 table_size = g_spaced_primes_closest ((int)(acfg->image->tables [MONO_TABLE_TYPEDEF].rows * 1.5));
9037 table = g_ptr_array_sized_new (table_size);
9038 for (i = 0; i < table_size; ++i)
9039 g_ptr_array_add (table, NULL);
9040 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
9042 token = MONO_TOKEN_TYPE_DEF | (i + 1);
9043 klass = mono_class_get_checked (acfg->image, token, &error);
9045 mono_error_cleanup (&error);
9048 full_name = mono_type_get_name_full (mono_class_get_type (klass), MONO_TYPE_NAME_FORMAT_FULL_NAME);
9049 hash = mono_metadata_str_hash (full_name) % table_size;
9052 /* FIXME: Allocate from the mempool */
9053 new_entry = g_new0 (ClassNameTableEntry, 1);
9054 new_entry->token = token;
9056 entry = (ClassNameTableEntry *)g_ptr_array_index (table, hash);
9057 if (entry == NULL) {
9058 new_entry->index = hash;
9059 g_ptr_array_index (table, hash) = new_entry;
9062 entry = entry->next;
9064 entry->next = new_entry;
9065 new_entry->index = table->len;
9066 g_ptr_array_add (table, new_entry);
9070 /* Emit the table */
9071 buf_size = table->len * 4 + 4;
9072 p = buf = (guint8 *)g_malloc0 (buf_size);
9074 /* FIXME: Optimize memory usage */
9075 g_assert (table_size < 65000);
9076 encode_int16 (table_size, p, &p);
9077 g_assert (table->len < 65000);
9078 for (i = 0; i < table->len; ++i) {
9079 ClassNameTableEntry *entry = (ClassNameTableEntry *)g_ptr_array_index (table, i);
9081 if (entry == NULL) {
9082 encode_int16 (0, p, &p);
9083 encode_int16 (0, p, &p);
9085 encode_int16 (mono_metadata_token_index (entry->token), p, &p);
9087 encode_int16 (entry->next->index, p, &p);
9089 encode_int16 (0, p, &p);
9093 g_assert (p - buf <= buf_size);
9094 g_ptr_array_free (table, TRUE);
9096 emit_aot_data (acfg, MONO_AOT_TABLE_CLASS_NAME, "class_name_table", buf, p - buf);
9102 emit_image_table (MonoAotCompile *acfg)
9108 * The image table is small but referenced in a lot of places.
9109 * So we emit it at once, and reference its elements by an index.
9111 buf_size = acfg->image_table->len * 28 + 4;
9112 for (i = 0; i < acfg->image_table->len; i++) {
9113 MonoImage *image = (MonoImage*)g_ptr_array_index (acfg->image_table, i);
9114 MonoAssemblyName *aname = &image->assembly->aname;
9116 buf_size += strlen (image->assembly_name) + strlen (image->guid) + (aname->culture ? strlen (aname->culture) : 1) + strlen ((char*)aname->public_key_token) + 4;
9119 buf = p = (guint8 *)g_malloc0 (buf_size);
9120 encode_int (acfg->image_table->len, p, &p);
9121 for (i = 0; i < acfg->image_table->len; i++) {
9122 MonoImage *image = (MonoImage*)g_ptr_array_index (acfg->image_table, i);
9123 MonoAssemblyName *aname = &image->assembly->aname;
9125 /* FIXME: Support multi-module assemblies */
9126 g_assert (image->assembly->image == image);
9128 encode_string (image->assembly_name, p, &p);
9129 encode_string (image->guid, p, &p);
9130 encode_string (aname->culture ? aname->culture : "", p, &p);
9131 encode_string ((const char*)aname->public_key_token, p, &p);
9133 while (GPOINTER_TO_UINT (p) % 8 != 0)
9136 encode_int (aname->flags, p, &p);
9137 encode_int (aname->major, p, &p);
9138 encode_int (aname->minor, p, &p);
9139 encode_int (aname->build, p, &p);
9140 encode_int (aname->revision, p, &p);
9142 g_assert (p - buf <= buf_size);
9144 emit_aot_data (acfg, MONO_AOT_TABLE_IMAGE_TABLE, "image_table", buf, p - buf);
9150 emit_got_info (MonoAotCompile *acfg, gboolean llvm)
9152 int i, first_plt_got_patch = 0, buf_size;
9154 guint32 *got_info_offsets;
9155 GotInfo *info = llvm ? &acfg->llvm_got_info : &acfg->got_info;
9157 /* Add the patches needed by the PLT to the GOT */
9159 acfg->plt_got_offset_base = acfg->got_offset;
9160 first_plt_got_patch = info->got_patches->len;
9161 for (i = 1; i < acfg->plt_offset; ++i) {
9162 MonoPltEntry *plt_entry = (MonoPltEntry *)g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
9164 g_ptr_array_add (info->got_patches, plt_entry->ji);
9166 acfg->stats.got_slot_types [plt_entry->ji->type] ++;
9169 acfg->got_offset += acfg->plt_offset;
9174 * - optimize offsets table.
9175 * - reduce number of exported symbols.
9176 * - emit info for a klass only once.
9177 * - determine when a method uses a GOT slot which is guaranteed to be already
9179 * - clean up and document the code.
9180 * - use String.Empty in class libs.
9183 /* Encode info required to decode shared GOT entries */
9184 buf_size = info->got_patches->len * 128;
9185 p = buf = (guint8 *)mono_mempool_alloc (acfg->mempool, buf_size);
9186 got_info_offsets = (guint32 *)mono_mempool_alloc (acfg->mempool, info->got_patches->len * sizeof (guint32));
9188 acfg->plt_got_info_offsets = (guint32 *)mono_mempool_alloc (acfg->mempool, acfg->plt_offset * sizeof (guint32));
9190 if (acfg->plt_offset)
9191 acfg->plt_got_info_offsets [0] = 0;
9193 for (i = 0; i < info->got_patches->len; ++i) {
9194 MonoJumpInfo *ji = (MonoJumpInfo *)g_ptr_array_index (info->got_patches, i);
9199 encode_value (ji->type, p, &p);
9201 encode_patch (acfg, ji, p, &p);
9202 acfg->stats.got_slot_info_sizes [ji->type] += p - p2;
9203 g_assert (p - buf <= buf_size);
9204 got_info_offsets [i] = add_to_blob (acfg, buf, p - buf);
9206 if (!llvm && i >= first_plt_got_patch)
9207 acfg->plt_got_info_offsets [i - first_plt_got_patch + 1] = got_info_offsets [i];
9208 acfg->stats.got_info_size += p - buf;
9211 /* Emit got_info_offsets table */
9213 /* No need to emit offsets for the got plt entries, the plt embeds them directly */
9214 acfg->stats.offsets_size += emit_offset_table (acfg, llvm ? "llvm_got_info_offsets" : "got_info_offsets", llvm ? MONO_AOT_TABLE_LLVM_GOT_INFO_OFFSETS : MONO_AOT_TABLE_GOT_INFO_OFFSETS, llvm ? acfg->llvm_got_offset : first_plt_got_patch, 10, (gint32*)got_info_offsets);
9218 emit_got (MonoAotCompile *acfg)
9220 char symbol [MAX_SYMBOL_SIZE];
9222 if (acfg->aot_opts.llvm_only)
9225 /* Don't make GOT global so accesses to it don't need relocations */
9226 sprintf (symbol, "%s", acfg->got_symbol);
9229 emit_unset_mode (acfg);
9230 fprintf (acfg->fp, ".section __DATA, __bss\n");
9231 emit_alignment (acfg, 8);
9233 emit_info_symbol (acfg, "jit_got");
9234 fprintf (acfg->fp, ".lcomm %s, %d\n", acfg->got_symbol, (int)(acfg->got_offset * sizeof (gpointer)));
9236 emit_section_change (acfg, ".bss", 0);
9237 emit_alignment (acfg, 8);
9238 emit_local_symbol (acfg, symbol, "got_end", FALSE);
9239 emit_label (acfg, symbol);
9241 emit_info_symbol (acfg, "jit_got");
9242 if (acfg->got_offset > 0)
9243 emit_zero_bytes (acfg, (int)(acfg->got_offset * sizeof (gpointer)));
9246 sprintf (symbol, "got_end");
9247 emit_label (acfg, symbol);
9250 typedef struct GlobalsTableEntry {
9251 guint32 value, index;
9252 struct GlobalsTableEntry *next;
9253 } GlobalsTableEntry;
9256 emit_globals (MonoAotCompile *acfg)
9262 GlobalsTableEntry *entry, *new_entry;
9264 if (!acfg->aot_opts.static_link)
9266 if (acfg->aot_opts.llvm_only) {
9267 g_assert (acfg->globals->len == 0);
9272 * When static linking, we emit a table containing our globals.
9276 * Construct a chained hash table for mapping global names to their index in
9277 * the globals table.
9279 table_size = g_spaced_primes_closest ((int)(acfg->globals->len * 1.5));
9280 table = g_ptr_array_sized_new (table_size);
9281 for (i = 0; i < table_size; ++i)
9282 g_ptr_array_add (table, NULL);
9283 for (i = 0; i < acfg->globals->len; ++i) {
9284 char *name = (char *)g_ptr_array_index (acfg->globals, i);
9286 hash = mono_metadata_str_hash (name) % table_size;
9288 /* FIXME: Allocate from the mempool */
9289 new_entry = g_new0 (GlobalsTableEntry, 1);
9290 new_entry->value = i;
9292 entry = (GlobalsTableEntry *)g_ptr_array_index (table, hash);
9293 if (entry == NULL) {
9294 new_entry->index = hash;
9295 g_ptr_array_index (table, hash) = new_entry;
9298 entry = entry->next;
9300 entry->next = new_entry;
9301 new_entry->index = table->len;
9302 g_ptr_array_add (table, new_entry);
9306 /* Emit the table */
9307 sprintf (symbol, ".Lglobals_hash");
9308 emit_section_change (acfg, RODATA_SECT, 0);
9309 emit_alignment (acfg, 8);
9310 emit_label (acfg, symbol);
9312 /* FIXME: Optimize memory usage */
9313 g_assert (table_size < 65000);
9314 emit_int16 (acfg, table_size);
9315 for (i = 0; i < table->len; ++i) {
9316 GlobalsTableEntry *entry = (GlobalsTableEntry *)g_ptr_array_index (table, i);
9318 if (entry == NULL) {
9319 emit_int16 (acfg, 0);
9320 emit_int16 (acfg, 0);
9322 emit_int16 (acfg, entry->value + 1);
9324 emit_int16 (acfg, entry->next->index);
9326 emit_int16 (acfg, 0);
9330 /* Emit the names */
9331 for (i = 0; i < acfg->globals->len; ++i) {
9332 char *name = (char *)g_ptr_array_index (acfg->globals, i);
9334 sprintf (symbol, "name_%d", i);
9335 emit_section_change (acfg, RODATA_SECT, 1);
9337 emit_alignment (acfg, 4);
9339 emit_label (acfg, symbol);
9340 emit_string (acfg, name);
9343 /* Emit the globals table */
9344 sprintf (symbol, "globals");
9345 emit_section_change (acfg, ".data", 0);
9346 /* This is not a global, since it is accessed by the init function */
9347 emit_alignment (acfg, 8);
9348 emit_info_symbol (acfg, symbol);
9350 sprintf (symbol, "%sglobals_hash", acfg->temp_prefix);
9351 emit_pointer (acfg, symbol);
9353 for (i = 0; i < acfg->globals->len; ++i) {
9354 char *name = (char *)g_ptr_array_index (acfg->globals, i);
9356 sprintf (symbol, "name_%d", i);
9357 emit_pointer (acfg, symbol);
9359 g_assert (strlen (name) < sizeof (symbol));
9360 sprintf (symbol, "%s", name);
9361 emit_pointer (acfg, symbol);
9363 /* Null terminate the table */
9364 emit_int32 (acfg, 0);
9365 emit_int32 (acfg, 0);
9369 emit_mem_end (MonoAotCompile *acfg)
9373 if (acfg->aot_opts.llvm_only)
9376 sprintf (symbol, "mem_end");
9377 emit_section_change (acfg, ".text", 1);
9378 emit_alignment_code (acfg, 8);
9379 emit_label (acfg, symbol);
9383 init_aot_file_info (MonoAotCompile *acfg, MonoAotFileInfo *info)
9387 info->version = MONO_AOT_FILE_VERSION;
9388 info->plt_got_offset_base = acfg->plt_got_offset_base;
9389 info->got_size = acfg->got_offset * sizeof (gpointer);
9390 info->plt_size = acfg->plt_offset;
9391 info->nmethods = acfg->nmethods;
9392 info->flags = acfg->flags;
9393 info->opts = acfg->opts;
9394 info->simd_opts = acfg->simd_opts;
9395 info->gc_name_index = acfg->gc_name_offset;
9396 info->datafile_size = acfg->datafile_offset;
9397 for (i = 0; i < MONO_AOT_TABLE_NUM; ++i)
9398 info->table_offsets [i] = acfg->table_offsets [i];
9399 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9400 info->num_trampolines [i] = acfg->num_trampolines [i];
9401 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9402 info->trampoline_got_offset_base [i] = acfg->trampoline_got_offset_base [i];
9403 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9404 info->trampoline_size [i] = acfg->trampoline_size [i];
9405 info->num_rgctx_fetch_trampolines = acfg->aot_opts.nrgctx_fetch_trampolines;
9407 info->double_align = MONO_ABI_ALIGNOF (double);
9408 info->long_align = MONO_ABI_ALIGNOF (gint64);
9409 info->generic_tramp_num = MONO_TRAMPOLINE_NUM;
9410 info->tramp_page_size = acfg->tramp_page_size;
9411 info->nshared_got_entries = acfg->nshared_got_entries;
9412 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9413 info->tramp_page_code_offsets [i] = acfg->tramp_page_code_offsets [i];
9415 memcpy(&info->aotid, acfg->image->aotid, 16);
9419 emit_aot_file_info (MonoAotCompile *acfg, MonoAotFileInfo *info)
9421 char symbol [MAX_SYMBOL_SIZE];
9423 const char **symbols;
9425 symbols = g_new0 (const char *, MONO_AOT_FILE_INFO_NUM_SYMBOLS);
9427 symbols [sindex ++] = acfg->got_symbol;
9429 symbols [sindex ++] = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, acfg->llvm_got_symbol);
9430 symbols [sindex ++] = acfg->llvm_eh_frame_symbol;
9432 symbols [sindex ++] = NULL;
9433 symbols [sindex ++] = NULL;
9435 /* llvm_get_method */
9436 symbols [sindex ++] = NULL;
9437 /* llvm_get_unbox_tramp */
9438 symbols [sindex ++] = NULL;
9439 if (!acfg->aot_opts.llvm_only) {
9440 symbols [sindex ++] = "jit_code_start";
9441 symbols [sindex ++] = "jit_code_end";
9442 symbols [sindex ++] = "method_addresses";
9444 symbols [sindex ++] = NULL;
9445 symbols [sindex ++] = NULL;
9446 symbols [sindex ++] = NULL;
9448 if (acfg->data_outfile) {
9449 for (i = 0; i < MONO_AOT_TABLE_NUM; ++i)
9450 symbols [sindex ++] = NULL;
9452 symbols [sindex ++] = "blob";
9453 symbols [sindex ++] = "class_name_table";
9454 symbols [sindex ++] = "class_info_offsets";
9455 symbols [sindex ++] = "method_info_offsets";
9456 symbols [sindex ++] = "ex_info_offsets";
9457 symbols [sindex ++] = "extra_method_info_offsets";
9458 symbols [sindex ++] = "extra_method_table";
9459 symbols [sindex ++] = "got_info_offsets";
9461 symbols [sindex ++] = "llvm_got_info_offsets";
9463 symbols [sindex ++] = NULL;
9464 symbols [sindex ++] = "image_table";
9466 symbols [sindex ++] = "mem_end";
9467 symbols [sindex ++] = "assembly_guid";
9468 symbols [sindex ++] = "runtime_version";
9469 if (acfg->num_trampoline_got_entries) {
9470 symbols [sindex ++] = "specific_trampolines";
9471 symbols [sindex ++] = "static_rgctx_trampolines";
9472 symbols [sindex ++] = "imt_thunks";
9473 symbols [sindex ++] = "gsharedvt_arg_trampolines";
9475 symbols [sindex ++] = NULL;
9476 symbols [sindex ++] = NULL;
9477 symbols [sindex ++] = NULL;
9478 symbols [sindex ++] = NULL;
9480 if (acfg->aot_opts.static_link) {
9481 symbols [sindex ++] = "globals";
9483 symbols [sindex ++] = NULL;
9485 symbols [sindex ++] = "assembly_name";
9486 symbols [sindex ++] = "plt";
9487 symbols [sindex ++] = "plt_end";
9488 symbols [sindex ++] = "unwind_info";
9489 if (!acfg->aot_opts.llvm_only) {
9490 symbols [sindex ++] = "unbox_trampolines";
9491 symbols [sindex ++] = "unbox_trampolines_end";
9492 symbols [sindex ++] = "unbox_trampoline_addresses";
9494 symbols [sindex ++] = NULL;
9495 symbols [sindex ++] = NULL;
9496 symbols [sindex ++] = NULL;
9499 g_assert (sindex == MONO_AOT_FILE_INFO_NUM_SYMBOLS);
9501 sprintf (symbol, "%smono_aot_file_info", acfg->user_symbol_prefix);
9502 emit_section_change (acfg, ".data", 0);
9503 emit_alignment (acfg, 8);
9504 emit_label (acfg, symbol);
9505 if (!acfg->aot_opts.static_link)
9506 emit_global (acfg, symbol, FALSE);
9508 /* The data emitted here must match MonoAotFileInfo. */
9510 emit_int32 (acfg, info->version);
9511 emit_int32 (acfg, info->dummy);
9514 * We emit pointers to our data structures instead of emitting global symbols which
9515 * point to them, to reduce the number of globals, and because using globals leads to
9516 * various problems (i.e. arm/thumb).
9518 for (i = 0; i < MONO_AOT_FILE_INFO_NUM_SYMBOLS; ++i)
9519 emit_pointer (acfg, symbols [i]);
9521 emit_int32 (acfg, info->plt_got_offset_base);
9522 emit_int32 (acfg, info->got_size);
9523 emit_int32 (acfg, info->plt_size);
9524 emit_int32 (acfg, info->nmethods);
9525 emit_int32 (acfg, info->flags);
9526 emit_int32 (acfg, info->opts);
9527 emit_int32 (acfg, info->simd_opts);
9528 emit_int32 (acfg, info->gc_name_index);
9529 emit_int32 (acfg, info->num_rgctx_fetch_trampolines);
9530 emit_int32 (acfg, info->double_align);
9531 emit_int32 (acfg, info->long_align);
9532 emit_int32 (acfg, info->generic_tramp_num);
9533 emit_int32 (acfg, info->tramp_page_size);
9534 emit_int32 (acfg, info->nshared_got_entries);
9535 emit_int32 (acfg, info->datafile_size);
9537 for (i = 0; i < MONO_AOT_TABLE_NUM; ++i)
9538 emit_int32 (acfg, info->table_offsets [i]);
9539 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9540 emit_int32 (acfg, info->num_trampolines [i]);
9541 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9542 emit_int32 (acfg, info->trampoline_got_offset_base [i]);
9543 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9544 emit_int32 (acfg, info->trampoline_size [i]);
9545 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9546 emit_int32 (acfg, info->tramp_page_code_offsets [i]);
9548 emit_bytes (acfg, info->aotid, 16);
9550 if (acfg->aot_opts.static_link) {
9551 emit_global_inner (acfg, acfg->static_linking_symbol, FALSE);
9552 emit_alignment (acfg, sizeof (gpointer));
9553 emit_label (acfg, acfg->static_linking_symbol);
9554 emit_pointer_2 (acfg, acfg->user_symbol_prefix, "mono_aot_file_info");
9559 * Emit a structure containing all the information not stored elsewhere.
9562 emit_file_info (MonoAotCompile *acfg)
9565 MonoAotFileInfo *info;
9567 if (acfg->aot_opts.bind_to_runtime_version) {
9568 build_info = mono_get_runtime_build_info ();
9569 emit_string_symbol (acfg, "runtime_version", build_info);
9570 g_free (build_info);
9572 emit_string_symbol (acfg, "runtime_version", "");
9575 emit_string_symbol (acfg, "assembly_guid" , acfg->image->guid);
9577 /* Emit a string holding the assembly name */
9578 emit_string_symbol (acfg, "assembly_name", acfg->image->assembly->aname.name);
9580 info = g_new0 (MonoAotFileInfo, 1);
9581 init_aot_file_info (acfg, info);
9583 if (acfg->aot_opts.static_link) {
9584 char symbol [MAX_SYMBOL_SIZE];
9588 * Emit a global symbol which can be passed by an embedding app to
9589 * mono_aot_register_module (). The symbol points to a pointer to the the file info
9592 sprintf (symbol, "%smono_aot_module_%s_info", acfg->user_symbol_prefix, acfg->image->assembly->aname.name);
9594 /* Get rid of characters which cannot occur in symbols */
9596 for (p = symbol; *p; ++p) {
9597 if (!(isalnum (*p) || *p == '_'))
9600 acfg->static_linking_symbol = g_strdup (symbol);
9604 mono_llvm_emit_aot_file_info (info, acfg->has_jitted_code);
9606 emit_aot_file_info (acfg, info);
9610 emit_blob (MonoAotCompile *acfg)
9612 acfg->blob_closed = TRUE;
9614 emit_aot_data (acfg, MONO_AOT_TABLE_BLOB, "blob", (guint8*)acfg->blob.data, acfg->blob.index);
9618 emit_objc_selectors (MonoAotCompile *acfg)
9623 if (!acfg->objc_selectors || acfg->objc_selectors->len == 0)
9628 * cat > foo.m << EOF
9631 * return @selector(print:);
9636 mono_img_writer_emit_unset_mode (acfg->w);
9637 g_assert (acfg->fp);
9638 fprintf (acfg->fp, ".section __DATA,__objc_selrefs,literal_pointers,no_dead_strip\n");
9639 fprintf (acfg->fp, ".align 3\n");
9640 for (i = 0; i < acfg->objc_selectors->len; ++i) {
9641 sprintf (symbol, "L_OBJC_SELECTOR_REFERENCES_%d", i);
9642 emit_label (acfg, symbol);
9643 sprintf (symbol, "L_OBJC_METH_VAR_NAME_%d", i);
9644 emit_pointer (acfg, symbol);
9647 fprintf (acfg->fp, ".section __TEXT,__cstring,cstring_literals\n");
9648 for (i = 0; i < acfg->objc_selectors->len; ++i) {
9649 fprintf (acfg->fp, "L_OBJC_METH_VAR_NAME_%d:\n", i);
9650 fprintf (acfg->fp, ".asciz \"%s\"\n", (char*)g_ptr_array_index (acfg->objc_selectors, i));
9653 fprintf (acfg->fp, ".section __DATA,__objc_imageinfo,regular,no_dead_strip\n");
9654 fprintf (acfg->fp, ".align 3\n");
9655 fprintf (acfg->fp, "L_OBJC_IMAGE_INFO:\n");
9656 fprintf (acfg->fp, ".long 0\n");
9657 fprintf (acfg->fp, ".long 16\n");
9661 emit_dwarf_info (MonoAotCompile *acfg)
9663 #ifdef EMIT_DWARF_INFO
9667 /* DIEs for methods */
9668 for (i = 0; i < acfg->nmethods; ++i) {
9669 MonoCompile *cfg = acfg->cfgs [i];
9674 // FIXME: LLVM doesn't define .Lme_...
9675 if (cfg->compile_llvm)
9678 sprintf (symbol2, "%sme_%x", acfg->temp_prefix, i);
9680 mono_dwarf_writer_emit_method (acfg->dwarf, cfg, cfg->method, cfg->asm_symbol, symbol2, cfg->asm_debug_symbol, (guint8 *)cfg->jit_info->code_start, cfg->jit_info->code_size, cfg->args, cfg->locals, cfg->unwind_ops, mono_debug_find_method (cfg->jit_info->d.method, mono_domain_get ()));
9686 collect_methods (MonoAotCompile *acfg)
9689 MonoImage *image = acfg->image;
9691 /* Collect methods */
9692 for (i = 0; i < image->tables [MONO_TABLE_METHOD].rows; ++i) {
9695 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
9697 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
9700 aot_printerrf (acfg, "Failed to load method 0x%x from '%s' due to %s.\n", token, image->name, mono_error_get_message (&error));
9701 aot_printerrf (acfg, "Run with MONO_LOG_LEVEL=debug for more information.\n");
9702 mono_error_cleanup (&error);
9706 /* Load all methods eagerly to skip the slower lazy loading code */
9707 mono_class_setup_methods (method->klass);
9709 if (mono_aot_mode_is_full (&acfg->aot_opts) && method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
9710 /* Compile the wrapper instead */
9711 /* We do this here instead of add_wrappers () because it is easy to do it here */
9712 MonoMethod *wrapper = mono_marshal_get_native_wrapper (method, TRUE, TRUE);
9716 /* FIXME: Some mscorlib methods don't have debug info */
9718 if (acfg->aot_opts.soft_debug && !method->wrapper_type) {
9719 if (!((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
9720 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
9721 (method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
9722 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL))) {
9723 if (!mono_debug_lookup_method (method)) {
9724 fprintf (stderr, "Method %s has no debug info, probably the .mdb file for the assembly is missing.\n", mono_method_get_full_name (method));
9731 if (method->is_generic || method->klass->generic_container)
9732 /* Compile the ref shared version instead */
9733 method = mini_get_shared_method (method);
9735 /* Since we add the normal methods first, their index will be equal to their zero based token index */
9736 add_method_with_index (acfg, method, i, FALSE);
9737 acfg->method_index ++;
9740 /* gsharedvt methods */
9741 for (mindex = 0; mindex < image->tables [MONO_TABLE_METHOD].rows; ++mindex) {
9744 guint32 token = MONO_TOKEN_METHOD_DEF | (mindex + 1);
9746 if (!(acfg->opts & MONO_OPT_GSHAREDVT))
9749 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
9750 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
9752 if (method->is_generic || method->klass->generic_container) {
9753 MonoMethod *gshared;
9755 gshared = mini_get_shared_method_full (method, TRUE, TRUE);
9756 add_extra_method (acfg, gshared);
9760 add_generic_instances (acfg);
9762 if (mono_aot_mode_is_full (&acfg->aot_opts))
9763 add_wrappers (acfg);
9768 compile_methods (MonoAotCompile *acfg)
9772 if (acfg->aot_opts.nthreads > 0) {
9777 gpointer *user_data;
9778 MonoMethod **methods;
9781 methods_len = acfg->methods->len;
9783 len = acfg->methods->len / acfg->aot_opts.nthreads;
9786 * Partition the list of methods into fragments, and hand it to threads to
9789 threads = g_ptr_array_new ();
9790 /* Make a copy since acfg->methods is modified by compile_method () */
9791 methods = g_new0 (MonoMethod*, methods_len);
9792 //memcpy (methods, g_ptr_array_index (acfg->methods, 0), sizeof (MonoMethod*) * methods_len);
9793 for (i = 0; i < methods_len; ++i)
9794 methods [i] = (MonoMethod *)g_ptr_array_index (acfg->methods, i);
9796 while (i < methods_len) {
9797 frag = g_ptr_array_new ();
9798 for (j = 0; j < len; ++j) {
9799 if (i < methods_len) {
9800 g_ptr_array_add (frag, methods [i]);
9805 user_data = g_new0 (gpointer, 3);
9806 user_data [0] = mono_domain_get ();
9807 user_data [1] = acfg;
9808 user_data [2] = frag;
9812 tp.creation_flags = 0;
9813 handle = mono_threads_create_thread ((LPTHREAD_START_ROUTINE)compile_thread_main, user_data, &tp, NULL);
9814 g_ptr_array_add (threads, handle);
9818 for (i = 0; i < threads->len; ++i) {
9819 WaitForSingleObjectEx (g_ptr_array_index (threads, i), INFINITE, FALSE);
9825 /* Compile methods added by compile_method () or all methods if nthreads == 0 */
9826 for (i = methods_len; i < acfg->methods->len; ++i) {
9827 /* This can new methods to acfg->methods */
9828 compile_method (acfg, (MonoMethod *)g_ptr_array_index (acfg->methods, i));
9833 compile_asm (MonoAotCompile *acfg)
9835 char *command, *objfile;
9836 char *outfile_name, *tmp_outfile_name, *llvm_ofile;
9837 const char *tool_prefix = acfg->aot_opts.tool_prefix ? acfg->aot_opts.tool_prefix : "";
9838 char *ld_flags = acfg->aot_opts.ld_flags ? acfg->aot_opts.ld_flags : g_strdup("");
9840 #if defined(TARGET_AMD64) && !defined(TARGET_MACH)
9841 #define AS_OPTIONS "--64"
9842 #elif defined(TARGET_POWERPC64)
9843 #define AS_OPTIONS "-a64 -mppc64"
9844 #elif defined(sparc) && SIZEOF_VOID_P == 8
9845 #define AS_OPTIONS "-xarch=v9"
9846 #elif defined(TARGET_X86) && defined(TARGET_MACH) && !defined(__native_client_codegen__)
9847 #define AS_OPTIONS "-arch i386"
9849 #define AS_OPTIONS ""
9852 #ifdef __native_client_codegen__
9853 #if defined(TARGET_AMD64)
9854 #define AS_NAME "nacl64-as"
9856 #define AS_NAME "nacl-as"
9858 #elif defined(TARGET_OSX)
9859 #define AS_NAME "clang"
9861 #define AS_NAME "as"
9865 #define LD_NAME "ld"
9866 #define LD_OPTIONS "-shared -G"
9867 #elif defined(__ppc__) && defined(TARGET_MACH)
9868 #define LD_NAME "gcc"
9869 #define LD_OPTIONS "-dynamiclib"
9870 #elif defined(TARGET_AMD64) && defined(TARGET_MACH)
9871 #define LD_NAME "clang"
9872 #define LD_OPTIONS "--shared"
9873 #elif defined(TARGET_WIN32) && !defined(TARGET_ANDROID)
9874 #define LD_NAME "gcc"
9875 #define LD_OPTIONS "-shared"
9876 #elif defined(TARGET_X86) && defined(TARGET_MACH) && !defined(__native_client_codegen__)
9877 #define LD_NAME "clang"
9878 #define LD_OPTIONS "-m32 -dynamiclib"
9879 #elif defined(TARGET_ARM) && !defined(TARGET_ANDROID)
9880 #define LD_NAME "gcc"
9881 #define LD_OPTIONS "--shared"
9882 #elif defined(TARGET_POWERPC64)
9883 #define LD_OPTIONS "-m elf64ppc"
9887 #define LD_OPTIONS ""
9890 if (acfg->aot_opts.asm_only) {
9891 aot_printf (acfg, "Output file: '%s'.\n", acfg->tmpfname);
9892 if (acfg->aot_opts.static_link)
9893 aot_printf (acfg, "Linking symbol: '%s'.\n", acfg->static_linking_symbol);
9895 aot_printf (acfg, "LLVM output file: '%s'.\n", acfg->llvm_sfile);
9899 if (acfg->aot_opts.static_link) {
9900 if (acfg->aot_opts.outfile)
9901 objfile = g_strdup_printf ("%s", acfg->aot_opts.outfile);
9903 objfile = g_strdup_printf ("%s.o", acfg->image->name);
9905 objfile = g_strdup_printf ("%s.o", acfg->tmpfname);
9909 g_string_append (acfg->as_args, "-c -x assembler");
9912 command = g_strdup_printf ("\"%s%s\" %s %s -o %s %s", tool_prefix, AS_NAME, AS_OPTIONS,
9913 acfg->as_args ? acfg->as_args->str : "",
9914 wrap_path (objfile), wrap_path (acfg->tmpfname));
9915 aot_printf (acfg, "Executing the native assembler: %s\n", command);
9916 if (execute_system (command) != 0) {
9922 if (acfg->llvm && !acfg->llvm_owriter) {
9923 command = g_strdup_printf ("\"%s%s\" %s %s -o %s %s", tool_prefix, AS_NAME, AS_OPTIONS,
9924 acfg->as_args ? acfg->as_args->str : "",
9925 wrap_path (acfg->llvm_ofile), wrap_path (acfg->llvm_sfile));
9926 aot_printf (acfg, "Executing the native assembler: %s\n", command);
9927 if (execute_system (command) != 0) {
9936 if (acfg->aot_opts.static_link) {
9937 aot_printf (acfg, "Output file: '%s'.\n", objfile);
9938 aot_printf (acfg, "Linking symbol: '%s'.\n", acfg->static_linking_symbol);
9943 if (acfg->aot_opts.outfile)
9944 outfile_name = g_strdup_printf ("%s", acfg->aot_opts.outfile);
9946 outfile_name = g_strdup_printf ("%s%s", acfg->image->name, MONO_SOLIB_EXT);
9948 tmp_outfile_name = g_strdup_printf ("%s.tmp", outfile_name);
9951 llvm_ofile = g_strdup_printf ("\"%s\"", acfg->llvm_ofile);
9953 llvm_ofile = g_strdup ("");
9956 /* replace the ; flags separators with spaces */
9957 g_strdelimit (ld_flags, ";", ' ');
9959 if (acfg->aot_opts.llvm_only)
9960 ld_flags = g_strdup_printf ("%s %s", ld_flags, "-lstdc++");
9963 command = g_strdup_printf ("%s%s %s -o %s %s %s %s", tool_prefix, LD_NAME, LD_OPTIONS,
9964 wrap_path (tmp_outfile_name), wrap_path (llvm_ofile),
9965 wrap_path (g_strdup_printf ("%s.o", acfg->tmpfname)), ld_flags);
9968 char *args = g_strdup_printf ("%s %s -shared -o %s %s %s %s", tool_prefix, LD_OPTIONS,
9969 wrap_path (tmp_outfile_name), wrap_path (llvm_ofile),
9970 wrap_path (g_strdup_printf ("%s.o", acfg->tmpfname)), ld_flags);
9973 command = g_strdup_printf ("clang++ %s", args);
9975 command = g_strdup_printf ("\"%sld\" %s", tool_prefix, args);
9980 aot_printf (acfg, "Executing the native linker: %s\n", command);
9981 if (execute_system (command) != 0) {
9982 g_free (tmp_outfile_name);
9983 g_free (outfile_name);
9992 /*com = g_strdup_printf ("strip --strip-unneeded %s%s", acfg->image->name, MONO_SOLIB_EXT);
9993 printf ("Stripping the binary: %s\n", com);
9994 execute_system (com);
9997 #if defined(TARGET_ARM) && !defined(TARGET_MACH)
9999 * gas generates 'mapping symbols' each time code and data is mixed, which
10000 * happens a lot in emit_and_reloc_code (), so we need to get rid of them.
10002 command = g_strdup_printf ("\"%sstrip\" --strip-symbol=\\$a --strip-symbol=\\$d %s", wrap_path(tool_prefix), wrap_path(tmp_outfile_name));
10003 aot_printf (acfg, "Stripping the binary: %s\n", command);
10004 if (execute_system (command) != 0) {
10005 g_free (tmp_outfile_name);
10006 g_free (outfile_name);
10013 if (0 != rename (tmp_outfile_name, outfile_name)) {
10014 if (G_FILE_ERROR_EXIST == g_file_error_from_errno (errno)) {
10015 /* Since we are rebuilding the module we need to be able to replace any old copies. Remove old file and retry rename operation. */
10016 unlink (outfile_name);
10017 rename (tmp_outfile_name, outfile_name);
10021 #if defined(TARGET_MACH)
10022 command = g_strdup_printf ("dsymutil \"%s\"", outfile_name);
10023 aot_printf (acfg, "Executing dsymutil: %s\n", command);
10024 if (execute_system (command) != 0) {
10029 if (!acfg->aot_opts.save_temps)
10032 g_free (tmp_outfile_name);
10033 g_free (outfile_name);
10036 if (acfg->aot_opts.save_temps)
10037 aot_printf (acfg, "Retained input file.\n");
10039 unlink (acfg->tmpfname);
10044 static void init_got_info (GotInfo *info)
10048 info->patch_to_got_offset = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
10049 info->patch_to_got_offset_by_type = g_new0 (GHashTable*, MONO_PATCH_INFO_NUM);
10050 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i)
10051 info->patch_to_got_offset_by_type [i] = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
10052 info->got_patches = g_ptr_array_new ();
10055 static MonoAotCompile*
10056 acfg_create (MonoAssembly *ass, guint32 opts)
10058 MonoImage *image = ass->image;
10059 MonoAotCompile *acfg;
10061 acfg = g_new0 (MonoAotCompile, 1);
10062 acfg->methods = g_ptr_array_new ();
10063 acfg->method_indexes = g_hash_table_new (NULL, NULL);
10064 acfg->method_depth = g_hash_table_new (NULL, NULL);
10065 acfg->plt_offset_to_entry = g_hash_table_new (NULL, NULL);
10066 acfg->patch_to_plt_entry = g_new0 (GHashTable*, MONO_PATCH_INFO_NUM);
10067 acfg->method_to_cfg = g_hash_table_new (NULL, NULL);
10068 acfg->token_info_hash = g_hash_table_new_full (NULL, NULL, NULL, NULL);
10069 acfg->method_to_pinvoke_import = g_hash_table_new_full (NULL, NULL, NULL, g_free);
10070 acfg->image_hash = g_hash_table_new (NULL, NULL);
10071 acfg->image_table = g_ptr_array_new ();
10072 acfg->globals = g_ptr_array_new ();
10073 acfg->image = image;
10075 /* TODO: Write out set of SIMD instructions used, rather than just those available */
10076 acfg->simd_opts = mono_arch_cpu_enumerate_simd_versions ();
10077 acfg->mempool = mono_mempool_new ();
10078 acfg->extra_methods = g_ptr_array_new ();
10079 acfg->unwind_info_offsets = g_hash_table_new (NULL, NULL);
10080 acfg->unwind_ops = g_ptr_array_new ();
10081 acfg->method_label_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
10082 acfg->method_order = g_ptr_array_new ();
10083 acfg->export_names = g_hash_table_new (NULL, NULL);
10084 acfg->klass_blob_hash = g_hash_table_new (NULL, NULL);
10085 acfg->method_blob_hash = g_hash_table_new (NULL, NULL);
10086 acfg->plt_entry_debug_sym_cache = g_hash_table_new (g_str_hash, g_str_equal);
10087 acfg->gsharedvt_in_signatures = g_hash_table_new ((GHashFunc)mono_signature_hash, (GEqualFunc)mono_metadata_signature_equal);
10088 acfg->gsharedvt_out_signatures = g_hash_table_new ((GHashFunc)mono_signature_hash, (GEqualFunc)mono_metadata_signature_equal);
10089 mono_os_mutex_init_recursive (&acfg->mutex);
10091 init_got_info (&acfg->got_info);
10092 init_got_info (&acfg->llvm_got_info);
10098 got_info_free (GotInfo *info)
10102 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i)
10103 g_hash_table_destroy (info->patch_to_got_offset_by_type [i]);
10104 g_free (info->patch_to_got_offset_by_type);
10105 g_hash_table_destroy (info->patch_to_got_offset);
10106 g_ptr_array_free (info->got_patches, TRUE);
10110 acfg_free (MonoAotCompile *acfg)
10114 mono_img_writer_destroy (acfg->w);
10115 for (i = 0; i < acfg->nmethods; ++i)
10116 if (acfg->cfgs [i])
10117 mono_destroy_compile (acfg->cfgs [i]);
10119 g_free (acfg->cfgs);
10121 g_free (acfg->static_linking_symbol);
10122 g_free (acfg->got_symbol);
10123 g_free (acfg->plt_symbol);
10124 g_ptr_array_free (acfg->methods, TRUE);
10125 g_ptr_array_free (acfg->image_table, TRUE);
10126 g_ptr_array_free (acfg->globals, TRUE);
10127 g_ptr_array_free (acfg->unwind_ops, TRUE);
10128 g_hash_table_destroy (acfg->method_indexes);
10129 g_hash_table_destroy (acfg->method_depth);
10130 g_hash_table_destroy (acfg->plt_offset_to_entry);
10131 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i) {
10132 if (acfg->patch_to_plt_entry [i])
10133 g_hash_table_destroy (acfg->patch_to_plt_entry [i]);
10135 g_free (acfg->patch_to_plt_entry);
10136 g_hash_table_destroy (acfg->method_to_cfg);
10137 g_hash_table_destroy (acfg->token_info_hash);
10138 g_hash_table_destroy (acfg->method_to_pinvoke_import);
10139 g_hash_table_destroy (acfg->image_hash);
10140 g_hash_table_destroy (acfg->unwind_info_offsets);
10141 g_hash_table_destroy (acfg->method_label_hash);
10142 if (acfg->typespec_classes)
10143 g_hash_table_destroy (acfg->typespec_classes);
10144 g_hash_table_destroy (acfg->export_names);
10145 g_hash_table_destroy (acfg->plt_entry_debug_sym_cache);
10146 g_hash_table_destroy (acfg->klass_blob_hash);
10147 g_hash_table_destroy (acfg->method_blob_hash);
10148 got_info_free (&acfg->got_info);
10149 got_info_free (&acfg->llvm_got_info);
10150 mono_mempool_destroy (acfg->mempool);
10154 #define WRAPPER(e,n) n,
10155 static const char* const
10156 wrapper_type_names [MONO_WRAPPER_NUM + 1] = {
10157 #include "mono/metadata/wrapper-types.h"
10161 static G_GNUC_UNUSED const char*
10162 get_wrapper_type_name (int type)
10164 return wrapper_type_names [type];
10170 static void aot_dump (MonoAotCompile *acfg)
10176 mono_json_writer_init (&writer);
10178 mono_json_writer_object_begin(&writer);
10181 mono_json_writer_indent (&writer);
10182 mono_json_writer_object_key(&writer, "methods");
10183 mono_json_writer_array_begin (&writer);
10186 for (i = 0; i < acfg->nmethods; ++i) {
10188 MonoMethod *method;
10191 cfg = acfg->cfgs [i];
10195 method = cfg->orig_method;
10197 mono_json_writer_indent (&writer);
10198 mono_json_writer_object_begin(&writer);
10200 mono_json_writer_indent (&writer);
10201 mono_json_writer_object_key(&writer, "name");
10202 mono_json_writer_printf (&writer, "\"%s\",\n", method->name);
10204 mono_json_writer_indent (&writer);
10205 mono_json_writer_object_key(&writer, "signature");
10206 mono_json_writer_printf (&writer, "\"%s\",\n", mono_method_get_full_name (method));
10208 mono_json_writer_indent (&writer);
10209 mono_json_writer_object_key(&writer, "code_size");
10210 mono_json_writer_printf (&writer, "\"%d\",\n", cfg->code_size);
10212 klass = method->klass;
10214 mono_json_writer_indent (&writer);
10215 mono_json_writer_object_key(&writer, "class");
10216 mono_json_writer_printf (&writer, "\"%s\",\n", klass->name);
10218 mono_json_writer_indent (&writer);
10219 mono_json_writer_object_key(&writer, "namespace");
10220 mono_json_writer_printf (&writer, "\"%s\",\n", klass->name_space);
10222 mono_json_writer_indent (&writer);
10223 mono_json_writer_object_key(&writer, "wrapper_type");
10224 mono_json_writer_printf (&writer, "\"%s\",\n", get_wrapper_type_name(method->wrapper_type));
10226 mono_json_writer_indent_pop (&writer);
10227 mono_json_writer_indent (&writer);
10228 mono_json_writer_object_end (&writer);
10229 mono_json_writer_printf (&writer, ",\n");
10232 mono_json_writer_indent_pop (&writer);
10233 mono_json_writer_indent (&writer);
10234 mono_json_writer_array_end (&writer);
10235 mono_json_writer_printf (&writer, ",\n");
10239 mono_json_writer_indent_push (&writer);
10240 mono_json_writer_indent (&writer);
10241 mono_json_writer_object_key(&writer, "plt");
10242 mono_json_writer_array_begin (&writer);
10244 for (i = 0; i < acfg->plt_offset; ++i) {
10245 MonoPltEntry *plt_entry = NULL;
10250 * The first plt entry is unused.
10254 plt_entry = g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
10255 ji = plt_entry->ji;
10257 mono_json_writer_indent (&writer);
10258 mono_json_writer_printf (&writer, "{ ");
10259 mono_json_writer_object_key(&writer, "symbol");
10260 mono_json_writer_printf (&writer, "\"%s\" },\n", plt_entry->symbol);
10263 mono_json_writer_indent_pop (&writer);
10264 mono_json_writer_indent (&writer);
10265 mono_json_writer_array_end (&writer);
10266 mono_json_writer_printf (&writer, ",\n");
10271 mono_json_writer_indent_push (&writer);
10272 mono_json_writer_indent (&writer);
10273 mono_json_writer_object_key(&writer, "got");
10274 mono_json_writer_array_begin (&writer);
10276 mono_json_writer_indent_push (&writer);
10277 for (i = 0; i < acfg->got_info.got_patches->len; ++i) {
10278 MonoJumpInfo *ji = g_ptr_array_index (acfg->got_info.got_patches, i);
10280 mono_json_writer_indent (&writer);
10281 mono_json_writer_printf (&writer, "{ ");
10282 mono_json_writer_object_key(&writer, "patch_name");
10283 mono_json_writer_printf (&writer, "\"%s\" },\n", get_patch_name (ji->type));
10286 mono_json_writer_indent_pop (&writer);
10287 mono_json_writer_indent (&writer);
10288 mono_json_writer_array_end (&writer);
10289 mono_json_writer_printf (&writer, ",\n");
10292 mono_json_writer_indent_pop (&writer);
10293 mono_json_writer_indent (&writer);
10294 mono_json_writer_object_end (&writer);
10296 dumpname = g_strdup_printf ("%s.json", g_path_get_basename (acfg->image->name));
10297 dumpfile = fopen (dumpname, "w+");
10300 fprintf (dumpfile, "%s", writer.text->str);
10303 mono_json_writer_destroy (&writer);
10306 static const char *preinited_jit_icalls[] = {
10307 "mono_aot_init_llvm_method",
10308 "mono_aot_init_gshared_method_this",
10309 "mono_aot_init_gshared_method_mrgctx",
10310 "mono_aot_init_gshared_method_vtable",
10311 "mono_llvm_throw_corlib_exception",
10312 "mono_init_vtable_slot",
10313 "mono_helper_ldstr_mscorlib"
10317 add_preinit_got_slots (MonoAotCompile *acfg)
10323 * Allocate the first few GOT entries to information which is needed frequently, or it is needed
10324 * during method initialization etc.
10327 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10328 ji->type = MONO_PATCH_INFO_IMAGE;
10329 ji->data.image = acfg->image;
10330 get_got_offset (acfg, FALSE, ji);
10331 get_got_offset (acfg, TRUE, ji);
10333 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10334 ji->type = MONO_PATCH_INFO_MSCORLIB_GOT_ADDR;
10335 get_got_offset (acfg, FALSE, ji);
10336 get_got_offset (acfg, TRUE, ji);
10338 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10339 ji->type = MONO_PATCH_INFO_GC_CARD_TABLE_ADDR;
10340 get_got_offset (acfg, FALSE, ji);
10341 get_got_offset (acfg, TRUE, ji);
10343 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10344 ji->type = MONO_PATCH_INFO_GC_NURSERY_START;
10345 get_got_offset (acfg, FALSE, ji);
10346 get_got_offset (acfg, TRUE, ji);
10348 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10349 ji->type = MONO_PATCH_INFO_JIT_TLS_ID;
10350 get_got_offset (acfg, FALSE, ji);
10351 get_got_offset (acfg, TRUE, ji);
10353 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10354 ji->type = MONO_PATCH_INFO_AOT_MODULE;
10355 get_got_offset (acfg, FALSE, ji);
10356 get_got_offset (acfg, TRUE, ji);
10358 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10359 ji->type = MONO_PATCH_INFO_GC_NURSERY_BITS;
10360 get_got_offset (acfg, FALSE, ji);
10361 get_got_offset (acfg, TRUE, ji);
10363 for (i = 0; i < sizeof (preinited_jit_icalls) / sizeof (char*); ++i) {
10364 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoAotCompile));
10365 ji->type = MONO_PATCH_INFO_INTERNAL_METHOD;
10366 ji->data.name = preinited_jit_icalls [i];
10367 get_got_offset (acfg, FALSE, ji);
10368 get_got_offset (acfg, TRUE, ji);
10371 acfg->nshared_got_entries = acfg->got_offset;
10375 mono_compile_assembly (MonoAssembly *ass, guint32 opts, const char *aot_options)
10377 MonoImage *image = ass->image;
10380 MonoAotCompile *acfg;
10381 char *outfile_name, *tmp_outfile_name, *p;
10382 char llvm_stats_msg [256];
10386 acfg = acfg_create (ass, opts);
10388 memset (&acfg->aot_opts, 0, sizeof (acfg->aot_opts));
10389 acfg->aot_opts.write_symbols = TRUE;
10390 acfg->aot_opts.ntrampolines = 4096;
10391 acfg->aot_opts.nrgctx_trampolines = 4096;
10392 acfg->aot_opts.nimt_trampolines = 512;
10393 acfg->aot_opts.nrgctx_fetch_trampolines = 128;
10394 acfg->aot_opts.ngsharedvt_arg_trampolines = 512;
10395 acfg->aot_opts.llvm_path = g_strdup ("");
10396 acfg->aot_opts.temp_path = g_strdup ("");
10398 acfg->aot_opts.use_trampolines_page = TRUE;
10401 mono_aot_parse_options (aot_options, &acfg->aot_opts);
10403 if (acfg->aot_opts.logfile) {
10404 acfg->logfile = fopen (acfg->aot_opts.logfile, "a+");
10407 if (acfg->aot_opts.data_outfile) {
10408 acfg->data_outfile = fopen (acfg->aot_opts.data_outfile, "w+");
10409 if (!acfg->data_outfile) {
10410 aot_printerrf (acfg, "Unable to create file '%s': %s\n", acfg->aot_opts.data_outfile, strerror (errno));
10413 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_SEPARATE_DATA);
10416 //acfg->aot_opts.print_skipped_methods = TRUE;
10418 #if !defined(MONO_ARCH_GSHAREDVT_SUPPORTED)
10419 if (opts & MONO_OPT_GSHAREDVT) {
10420 aot_printerrf (acfg, "-O=gsharedvt not supported on this platform.\n");
10425 #if !defined(MONO_ARCH_GSHAREDVT_SUPPORTED)
10426 if (!acfg->aot_opts.llvm_only && (opts & MONO_OPT_GSHAREDVT)) {
10427 aot_printerrf (acfg, "-O=gsharedvt not supported on this platform.\n");
10432 if (acfg->aot_opts.llvm_only) {
10433 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
10434 aot_printerrf (acfg, "--aot=llvmonly requires a runtime that supports gsharedvt.\n");
10439 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED)
10440 if (acfg->aot_opts.llvm_only || mono_aot_mode_is_full (&acfg->aot_opts)) {
10441 acfg->opts |= MONO_OPT_GSHAREDVT;
10442 opts |= MONO_OPT_GSHAREDVT;
10446 if (opts & MONO_OPT_GSHAREDVT)
10447 mono_set_generic_sharing_vt_supported (TRUE);
10449 aot_printf (acfg, "Mono Ahead of Time compiler - compiling assembly %s\n", image->name);
10451 generate_aotid ((guint8*) &acfg->image->aotid);
10453 char *aotid = mono_guid_to_string (acfg->image->aotid);
10454 aot_printf (acfg, "AOTID %s\n", aotid);
10457 #ifndef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
10458 if (mono_aot_mode_is_full (&acfg->aot_opts)) {
10459 aot_printerrf (acfg, "--aot=full is not supported on this platform.\n");
10464 if (acfg->aot_opts.direct_pinvoke && !acfg->aot_opts.static_link) {
10465 aot_printerrf (acfg, "The 'direct-pinvoke' AOT option also requires the 'static' AOT option.\n");
10469 if (acfg->aot_opts.static_link)
10470 acfg->aot_opts.asm_writer = TRUE;
10472 if (acfg->aot_opts.soft_debug) {
10473 MonoDebugOptions *opt = mini_get_debug_options ();
10475 opt->mdb_optimizations = TRUE;
10476 opt->gen_sdb_seq_points = TRUE;
10478 if (!mono_debug_enabled ()) {
10479 aot_printerrf (acfg, "The soft-debug AOT option requires the --debug option.\n");
10482 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_DEBUG);
10485 if (mono_use_llvm || acfg->aot_opts.llvm) {
10487 acfg->aot_opts.asm_writer = TRUE;
10488 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_WITH_LLVM);
10490 if (acfg->aot_opts.soft_debug) {
10491 aot_printerrf (acfg, "The 'soft-debug' option is not supported when compiling with LLVM.\n");
10497 if (acfg->aot_opts.asm_only && !acfg->aot_opts.llvm_outfile) {
10498 aot_printerrf (acfg, "Compiling with LLVM and the asm-only option requires the llvm-outputfile= option.");
10503 * Emit all LLVM code into a separate assembly/object file and link with it
10506 if (!acfg->aot_opts.asm_only) {
10507 acfg->llvm_owriter = TRUE;
10508 } else if (acfg->aot_opts.llvm_outfile) {
10509 int len = strlen (acfg->aot_opts.llvm_outfile);
10511 if (len >= 2 && acfg->aot_opts.llvm_outfile [len - 2] == '.' && acfg->aot_opts.llvm_outfile [len - 1] == 'o')
10512 acfg->llvm_owriter = TRUE;
10516 if (mono_aot_mode_is_full (&acfg->aot_opts))
10517 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_FULL_AOT);
10519 if (mono_threads_is_coop_enabled ())
10520 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_SAFEPOINTS);
10522 if (acfg->aot_opts.instances_logfile_path) {
10523 acfg->instances_logfile = fopen (acfg->aot_opts.instances_logfile_path, "w");
10524 if (!acfg->instances_logfile) {
10525 aot_printerrf (acfg, "Unable to create logfile: '%s'.\n", acfg->aot_opts.instances_logfile_path);
10530 load_profile_files (acfg);
10532 acfg->num_trampolines [MONO_AOT_TRAMP_SPECIFIC] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.ntrampolines : 0;
10533 #ifdef MONO_ARCH_GSHARED_SUPPORTED
10534 acfg->num_trampolines [MONO_AOT_TRAMP_STATIC_RGCTX] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.nrgctx_trampolines : 0;
10536 acfg->num_trampolines [MONO_AOT_TRAMP_IMT_THUNK] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.nimt_trampolines : 0;
10537 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
10538 if (acfg->opts & MONO_OPT_GSHAREDVT)
10539 acfg->num_trampolines [MONO_AOT_TRAMP_GSHAREDVT_ARG] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.ngsharedvt_arg_trampolines : 0;
10542 acfg->temp_prefix = mono_img_writer_get_temp_label_prefix (NULL);
10546 if (acfg->llvm && acfg->thumb_mixed)
10547 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_LLVM_THUMB);
10548 if (acfg->aot_opts.llvm_only)
10549 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_LLVM_ONLY);
10551 acfg->assembly_name_sym = g_strdup (acfg->image->assembly->aname.name);
10552 /* Get rid of characters which cannot occur in symbols */
10553 for (p = acfg->assembly_name_sym; *p; ++p) {
10554 if (!(isalnum (*p) || *p == '_'))
10558 acfg->global_prefix = g_strdup_printf ("mono_aot_%s", acfg->assembly_name_sym);
10559 acfg->plt_symbol = g_strdup_printf ("%s_plt", acfg->global_prefix);
10560 acfg->got_symbol = g_strdup_printf ("%s_got", acfg->global_prefix);
10562 acfg->llvm_got_symbol = g_strdup_printf ("%s_llvm_got", acfg->global_prefix);
10563 acfg->llvm_eh_frame_symbol = g_strdup_printf ("%s_eh_frame", acfg->global_prefix);
10566 acfg->method_index = 1;
10568 if (mono_aot_mode_is_full (&acfg->aot_opts))
10569 mono_set_partial_sharing_supported (TRUE);
10571 res = collect_methods (acfg);
10575 acfg->cfgs_size = acfg->methods->len + 32;
10576 acfg->cfgs = g_new0 (MonoCompile*, acfg->cfgs_size);
10578 /* PLT offset 0 is reserved for the PLT trampoline */
10579 acfg->plt_offset = 1;
10580 add_preinit_got_slots (acfg);
10585 mono_llvm_create_aot_module (acfg->image->assembly, acfg->global_prefix, TRUE, acfg->aot_opts.static_link, acfg->aot_opts.llvm_only);
10591 compile_methods (acfg);
10595 acfg->stats.jit_time = TV_ELAPSED (atv, btv);
10601 if (acfg->aot_opts.asm_only) {
10602 if (acfg->aot_opts.outfile) {
10603 acfg->tmpfname = g_strdup_printf ("%s", acfg->aot_opts.outfile);
10604 acfg->tmpbasename = g_strdup (acfg->tmpfname);
10606 acfg->tmpbasename = g_strdup_printf ("%s", acfg->image->name);
10607 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->tmpbasename);
10609 g_assert (acfg->aot_opts.llvm_outfile);
10610 acfg->llvm_sfile = g_strdup (acfg->aot_opts.llvm_outfile);
10611 if (acfg->llvm_owriter)
10612 acfg->llvm_ofile = g_strdup (acfg->aot_opts.llvm_outfile);
10614 acfg->llvm_sfile = g_strdup (acfg->aot_opts.llvm_outfile);
10616 acfg->tmpbasename = (strcmp (acfg->aot_opts.temp_path, "") == 0) ?
10617 g_strdup_printf ("%s", "temp") :
10618 g_build_filename (acfg->aot_opts.temp_path, "temp", NULL);
10620 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->tmpbasename);
10621 acfg->llvm_sfile = g_strdup_printf ("%s-llvm.s", acfg->tmpbasename);
10622 acfg->llvm_ofile = g_strdup_printf ("%s-llvm.o", acfg->tmpbasename);
10627 if (acfg->aot_opts.asm_only && !acfg->aot_opts.llvm_only) {
10628 if (acfg->aot_opts.outfile)
10629 acfg->tmpfname = g_strdup_printf ("%s", acfg->aot_opts.outfile);
10631 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->image->name);
10632 acfg->fp = fopen (acfg->tmpfname, "w+");
10634 int i = g_file_open_tmp ("mono_aot_XXXXXX", &acfg->tmpfname, NULL);
10635 acfg->fp = fdopen (i, "w+");
10637 if (acfg->fp == 0 && !acfg->aot_opts.llvm_only) {
10638 aot_printerrf (acfg, "Unable to open file '%s': %s\n", acfg->tmpfname, strerror (errno));
10642 acfg->w = mono_img_writer_create (acfg->fp, FALSE);
10644 tmp_outfile_name = NULL;
10645 outfile_name = NULL;
10647 /* Compute symbols for methods */
10648 for (i = 0; i < acfg->nmethods; ++i) {
10649 if (acfg->cfgs [i]) {
10650 MonoCompile *cfg = acfg->cfgs [i];
10651 int method_index = get_method_index (acfg, cfg->orig_method);
10653 if (COMPILE_LLVM (cfg))
10654 cfg->asm_symbol = g_strdup_printf ("%s%s", acfg->llvm_label_prefix, cfg->llvm_method_name);
10655 else if (acfg->global_symbols || acfg->llvm)
10656 cfg->asm_symbol = get_debug_sym (cfg->orig_method, "", acfg->method_label_hash);
10658 cfg->asm_symbol = g_strdup_printf ("%s%sm_%x", acfg->temp_prefix, acfg->llvm_label_prefix, method_index);
10659 cfg->asm_debug_symbol = cfg->asm_symbol;
10663 if (acfg->aot_opts.dwarf_debug && acfg->aot_opts.gnu_asm) {
10665 * CLANG supports GAS .file/.loc directives, so emit line number information this way
10667 acfg->gas_line_numbers = TRUE;
10670 if ((!acfg->aot_opts.nodebug || acfg->aot_opts.dwarf_debug) && acfg->has_jitted_code) {
10671 if (acfg->aot_opts.dwarf_debug && !mono_debug_enabled ()) {
10672 aot_printerrf (acfg, "The dwarf AOT option requires the --debug option.\n");
10675 acfg->dwarf = mono_dwarf_writer_create (acfg->w, NULL, 0, !acfg->gas_line_numbers);
10679 mono_img_writer_emit_start (acfg->w);
10682 mono_dwarf_writer_emit_base_info (acfg->dwarf, g_path_get_basename (acfg->image->name), mono_unwind_get_cie_program ());
10688 emit_extra_methods (acfg);
10690 emit_trampolines (acfg);
10692 emit_class_name_table (acfg);
10694 emit_got_info (acfg, FALSE);
10696 emit_got_info (acfg, TRUE);
10698 emit_exception_info (acfg);
10700 emit_unwind_info (acfg);
10702 emit_class_info (acfg);
10706 emit_image_table (acfg);
10712 * The managed allocators are GC specific, so can't use an AOT image created by one GC
10715 const char *gc_name = mono_gc_get_gc_name ();
10716 acfg->gc_name_offset = add_to_blob (acfg, (guint8*)gc_name, strlen (gc_name) + 1);
10721 emit_objc_selectors (acfg);
10723 emit_globals (acfg);
10725 emit_file_info (acfg);
10728 emit_dwarf_info (acfg);
10729 mono_dwarf_writer_close (acfg->dwarf);
10732 emit_mem_end (acfg);
10734 if (acfg->need_pt_gnu_stack) {
10735 /* This is required so the .so doesn't have an executable stack */
10736 /* The bin writer already emits this */
10737 fprintf (acfg->fp, "\n.section .note.GNU-stack,\"\",@progbits\n");
10740 if (acfg->aot_opts.data_outfile)
10741 fclose (acfg->data_outfile);
10747 res = emit_llvm_file (acfg);
10755 acfg->stats.gen_time = TV_ELAPSED (atv, btv);
10758 sprintf (llvm_stats_msg, ", LLVM: %d (%d%%)", acfg->stats.llvm_count, acfg->stats.mcount ? (acfg->stats.llvm_count * 100) / acfg->stats.mcount : 100);
10760 strcpy (llvm_stats_msg, "");
10762 all_sizes = acfg->stats.code_size + acfg->stats.info_size + acfg->stats.ex_info_size + acfg->stats.unwind_info_size + acfg->stats.class_info_size + acfg->stats.got_info_size + acfg->stats.offsets_size + acfg->stats.plt_size;
10764 aot_printf (acfg, "Code: %d(%d%%) Info: %d(%d%%) Ex Info: %d(%d%%) Unwind Info: %d(%d%%) Class Info: %d(%d%%) PLT: %d(%d%%) GOT Info: %d(%d%%) Offsets: %d(%d%%) GOT: %d\n",
10765 (int)acfg->stats.code_size, (int)(acfg->stats.code_size * 100 / all_sizes),
10766 (int)acfg->stats.info_size, (int)(acfg->stats.info_size * 100 / all_sizes),
10767 (int)acfg->stats.ex_info_size, (int)(acfg->stats.ex_info_size * 100 / all_sizes),
10768 (int)acfg->stats.unwind_info_size, (int)(acfg->stats.unwind_info_size * 100 / all_sizes),
10769 (int)acfg->stats.class_info_size, (int)(acfg->stats.class_info_size * 100 / all_sizes),
10770 acfg->stats.plt_size ? (int)acfg->stats.plt_size : (int)acfg->plt_offset, acfg->stats.plt_size ? (int)(acfg->stats.plt_size * 100 / all_sizes) : 0,
10771 (int)acfg->stats.got_info_size, (int)(acfg->stats.got_info_size * 100 / all_sizes),
10772 (int)acfg->stats.offsets_size, (int)(acfg->stats.offsets_size * 100 / all_sizes),
10773 (int)(acfg->got_offset * sizeof (gpointer)));
10774 aot_printf (acfg, "Compiled: %d/%d (%d%%)%s, No GOT slots: %d (%d%%), Direct calls: %d (%d%%)\n",
10775 acfg->stats.ccount, acfg->stats.mcount, acfg->stats.mcount ? (acfg->stats.ccount * 100) / acfg->stats.mcount : 100,
10777 acfg->stats.methods_without_got_slots, acfg->stats.mcount ? (acfg->stats.methods_without_got_slots * 100) / acfg->stats.mcount : 100,
10778 acfg->stats.direct_calls, acfg->stats.all_calls ? (acfg->stats.direct_calls * 100) / acfg->stats.all_calls : 100);
10779 if (acfg->stats.genericcount)
10780 aot_printf (acfg, "%d methods are generic (%d%%)\n", acfg->stats.genericcount, acfg->stats.mcount ? (acfg->stats.genericcount * 100) / acfg->stats.mcount : 100);
10781 if (acfg->stats.abscount)
10782 aot_printf (acfg, "%d methods contain absolute addresses (%d%%)\n", acfg->stats.abscount, acfg->stats.mcount ? (acfg->stats.abscount * 100) / acfg->stats.mcount : 100);
10783 if (acfg->stats.lmfcount)
10784 aot_printf (acfg, "%d methods contain lmf pointers (%d%%)\n", acfg->stats.lmfcount, acfg->stats.mcount ? (acfg->stats.lmfcount * 100) / acfg->stats.mcount : 100);
10785 if (acfg->stats.ocount)
10786 aot_printf (acfg, "%d methods have other problems (%d%%)\n", acfg->stats.ocount, acfg->stats.mcount ? (acfg->stats.ocount * 100) / acfg->stats.mcount : 100);
10790 res = mono_img_writer_emit_writeout (acfg->w);
10795 res = compile_asm (acfg);
10802 acfg->stats.link_time = TV_ELAPSED (atv, btv);
10804 if (acfg->aot_opts.stats) {
10807 aot_printf (acfg, "GOT slot distribution:\n");
10808 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i)
10809 if (acfg->stats.got_slot_types [i])
10810 aot_printf (acfg, "\t%s: %d (%d)\n", get_patch_name (i), acfg->stats.got_slot_types [i], acfg->stats.got_slot_info_sizes [i]);
10811 aot_printf (acfg, "\nMethod stats:\n");
10812 aot_printf (acfg, "\tNormal: %d\n", acfg->stats.method_categories [METHOD_CAT_NORMAL]);
10813 aot_printf (acfg, "\tInstance: %d\n", acfg->stats.method_categories [METHOD_CAT_INST]);
10814 aot_printf (acfg, "\tGSharedvt: %d\n", acfg->stats.method_categories [METHOD_CAT_GSHAREDVT]);
10815 aot_printf (acfg, "\tWrapper: %d\n", acfg->stats.method_categories [METHOD_CAT_WRAPPER]);
10818 aot_printf (acfg, "JIT time: %d ms, Generation time: %d ms, Assembly+Link time: %d ms.\n", acfg->stats.jit_time / 1000, acfg->stats.gen_time / 1000, acfg->stats.link_time / 1000);
10820 if (acfg->aot_opts.dump_json)
10833 mono_aot_readonly_field_override (MonoClassField *field)
10839 mono_compile_assembly (MonoAssembly *ass, guint32 opts, const char *aot_options)
10845 mono_aot_is_shared_got_offset (int offset)