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/json.h>
55 #include <mono/utils/mono-threads-coop.h>
57 #include "aot-compiler.h"
58 #include "seq-points.h"
59 #include "image-writer.h"
60 #include "dwarfwriter.h"
62 #include "mini-llvm.h"
64 #if !defined(DISABLE_AOT) && !defined(DISABLE_JIT)
66 #if defined(__linux__) || defined(__native_client_codegen__)
67 #define RODATA_SECT ".rodata"
68 #elif defined(TARGET_MACH)
69 #define RODATA_SECT ".section __TEXT, __const"
71 #define RODATA_SECT ".text"
74 #define TV_DECLARE(name) gint64 name
75 #define TV_GETTIME(tv) tv = mono_100ns_ticks ()
76 #define TV_ELAPSED(start,end) (((end) - (start)) / 10)
78 #define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
79 #define ALIGN_PTR_TO(ptr,align) (gpointer)((((gssize)(ptr)) + (align - 1)) & (~(align - 1)))
80 #define ROUND_DOWN(VALUE,SIZE) ((VALUE) & ~((SIZE) - 1))
82 /* predefined values for static readonly fields without needed to run the .cctor */
83 typedef struct _ReadOnlyValue ReadOnlyValue;
84 struct _ReadOnlyValue {
87 int type; /* to be used later for typechecking to prevent user errors */
96 static ReadOnlyValue *readonly_values;
98 typedef struct MonoAotOptions {
103 gboolean write_symbols;
104 gboolean metadata_only;
105 gboolean bind_to_runtime_version;
108 gboolean static_link;
112 gboolean dwarf_debug;
114 gboolean log_generics;
115 gboolean log_instances;
116 gboolean gen_seq_points_file;
117 char *gen_seq_points_file_path;
118 gboolean direct_pinvoke;
119 gboolean direct_icalls;
120 gboolean no_direct_calls;
121 gboolean use_trampolines_page;
122 gboolean no_instances;
128 int nrgctx_trampolines;
129 int nimt_trampolines;
130 int ngsharedvt_arg_trampolines;
131 int nrgctx_fetch_trampolines;
132 gboolean print_skipped_methods;
139 char *instances_logfile_path;
146 METHOD_CAT_GSHAREDVT,
152 typedef struct MonoAotStats {
153 int ccount, mcount, lmfcount, abscount, gcount, ocount, genericcount;
154 gint64 code_size, info_size, ex_info_size, unwind_info_size, got_size, class_info_size, got_info_size, plt_size;
155 int methods_without_got_slots, direct_calls, all_calls, llvm_count;
156 int got_slots, offsets_size;
157 int method_categories [METHOD_CAT_NUM];
158 int got_slot_types [MONO_PATCH_INFO_NUM];
159 int got_slot_info_sizes [MONO_PATCH_INFO_NUM];
160 int jit_time, gen_time, link_time;
163 typedef struct GotInfo {
164 GHashTable *patch_to_got_offset;
165 GHashTable **patch_to_got_offset_by_type;
166 GPtrArray *got_patches;
169 typedef struct MonoAotCompile {
172 GHashTable *method_indexes;
173 GHashTable *method_depth;
176 GHashTable **patch_to_plt_entry;
177 GHashTable *plt_offset_to_entry;
178 //GHashTable *patch_to_got_offset;
179 //GHashTable **patch_to_got_offset_by_type;
180 //GPtrArray *got_patches;
181 GotInfo got_info, llvm_got_info;
182 GHashTable *image_hash;
183 GHashTable *method_to_cfg;
184 GHashTable *token_info_hash;
185 GHashTable *method_to_pinvoke_import;
186 GPtrArray *extra_methods;
187 GPtrArray *image_table;
189 GPtrArray *method_order;
190 GHashTable *export_names;
191 /* Maps MonoClass* -> blob offset */
192 GHashTable *klass_blob_hash;
193 /* Maps MonoMethod* -> blob offset */
194 GHashTable *method_blob_hash;
195 GHashTable *gsharedvt_in_signatures;
196 GHashTable *gsharedvt_out_signatures;
197 guint32 *plt_got_info_offsets;
198 guint32 got_offset, llvm_got_offset, plt_offset, plt_got_offset_base, nshared_got_entries;
199 /* Number of GOT entries reserved for trampolines */
200 guint32 num_trampoline_got_entries;
201 guint32 tramp_page_size;
203 guint32 table_offsets [MONO_AOT_TABLE_NUM];
204 guint32 num_trampolines [MONO_AOT_TRAMP_NUM];
205 guint32 trampoline_got_offset_base [MONO_AOT_TRAMP_NUM];
206 guint32 trampoline_size [MONO_AOT_TRAMP_NUM];
207 guint32 tramp_page_code_offsets [MONO_AOT_TRAMP_NUM];
209 MonoAotOptions aot_opts;
213 MonoMemPool *mempool;
216 char *static_linking_symbol;
218 gboolean gas_line_numbers;
219 /* Whenever to emit an object file directly from llc */
220 gboolean llvm_owriter;
222 MonoDwarfWriter *dwarf;
229 GHashTable *unwind_info_offsets;
230 GPtrArray *unwind_ops;
231 guint32 unwind_info_offset;
234 char *llvm_got_symbol;
236 char *llvm_eh_frame_symbol;
237 GHashTable *method_label_hash;
238 const char *temp_prefix;
239 const char *user_symbol_prefix;
240 const char *llvm_label_prefix;
241 const char *inst_directive;
243 guint32 label_generator;
245 gboolean has_jitted_code;
246 MonoAotFileFlags flags;
247 MonoDynamicStream blob;
248 gboolean blob_closed;
249 GHashTable *typespec_classes;
252 char *assembly_name_sym;
253 GHashTable *plt_entry_debug_sym_cache;
254 gboolean thumb_mixed, need_no_dead_strip, need_pt_gnu_stack;
255 GHashTable *ginst_hash;
256 GHashTable *dwarf_ln_filenames;
257 gboolean global_symbols;
258 int objc_selector_index, objc_selector_index_2;
259 GPtrArray *objc_selectors;
260 GHashTable *objc_selector_to_index;
262 FILE *instances_logfile;
270 char *symbol, *llvm_symbol, *debug_sym;
272 gboolean jit_used, llvm_used;
275 #define mono_acfg_lock(acfg) mono_os_mutex_lock (&((acfg)->mutex))
276 #define mono_acfg_unlock(acfg) mono_os_mutex_unlock (&((acfg)->mutex))
278 /* This points to the current acfg in LLVM mode */
279 static MonoAotCompile *llvm_acfg;
281 #ifdef HAVE_ARRAY_ELEM_INIT
282 #define MSGSTRFIELD(line) MSGSTRFIELD1(line)
283 #define MSGSTRFIELD1(line) str##line
284 static const struct msgstr_t {
285 #define PATCH_INFO(a,b) char MSGSTRFIELD(__LINE__) [sizeof (b)];
286 #include "patch-info.h"
289 #define PATCH_INFO(a,b) b,
290 #include "patch-info.h"
293 static const gint16 opidx [] = {
294 #define PATCH_INFO(a,b) [MONO_PATCH_INFO_ ## a] = offsetof (struct msgstr_t, MSGSTRFIELD(__LINE__)),
295 #include "patch-info.h"
299 static G_GNUC_UNUSED const char*
300 get_patch_name (int info)
302 return (const char*)&opstr + opidx [info];
306 #define PATCH_INFO(a,b) b,
307 static const char* const
308 patch_types [MONO_PATCH_INFO_NUM + 1] = {
309 #include "patch-info.h"
313 static G_GNUC_UNUSED const char*
314 get_patch_name (int info)
316 return patch_types [info];
322 get_unwind_info_offset (MonoAotCompile *acfg, guint8 *encoded, guint32 encoded_len);
325 get_plt_entry_debug_sym (MonoAotCompile *acfg, MonoJumpInfo *ji, GHashTable *cache);
328 aot_printf (MonoAotCompile *acfg, const gchar *format, ...)
334 output = acfg->logfile;
338 va_start (args, format);
339 vfprintf (output, format, args);
344 aot_printerrf (MonoAotCompile *acfg, const gchar *format, ...)
350 output = acfg->logfile;
354 va_start (args, format);
355 vfprintf (output, format, args);
360 report_loader_error (MonoAotCompile *acfg, MonoError *error, const char *format, ...)
365 if (mono_error_ok (error))
369 output = acfg->logfile;
373 va_start (args, format);
374 vfprintf (output, format, args);
376 mono_error_cleanup (error);
378 g_error ("FullAOT cannot continue if there are loader errors");
381 /* Wrappers around the image writer functions */
383 #define MAX_SYMBOL_SIZE 256
385 static inline const char *
386 mangle_symbol (const char * symbol, char * mangled_symbol, gsize length)
388 gsize needed_size = length;
390 g_assert (NULL != symbol);
391 g_assert (NULL != mangled_symbol);
392 g_assert (0 != length);
394 #if defined(TARGET_WIN32) && defined(TARGET_X86)
395 if (symbol && '_' != symbol [0]) {
396 needed_size = g_snprintf (mangled_symbol, length, "_%s", symbol);
398 needed_size = g_snprintf (mangled_symbol, length, "%s", symbol);
401 needed_size = g_snprintf (mangled_symbol, length, "%s", symbol);
404 g_assert (0 <= needed_size && needed_size < length);
405 return mangled_symbol;
409 mangle_symbol_alloc (const char * symbol)
411 g_assert (NULL != symbol);
413 #if defined(TARGET_WIN32) && defined(TARGET_X86)
414 if (symbol && '_' != symbol [0]) {
415 return g_strdup_printf ("_%s", symbol);
418 return g_strdup_printf ("%s", symbol);
421 return g_strdup_printf ("%s", symbol);
426 emit_section_change (MonoAotCompile *acfg, const char *section_name, int subsection_index)
428 mono_img_writer_emit_section_change (acfg->w, section_name, subsection_index);
431 #if defined(TARGET_WIN32) && defined(TARGET_X86)
434 emit_local_symbol (MonoAotCompile *acfg, const char *name, const char *end_label, gboolean func)
436 const char * mangled_symbol_name = name;
437 char * mangled_symbol_name_alloc = NULL;
440 mangled_symbol_name_alloc = mangle_symbol_alloc (name);
441 mangled_symbol_name = mangled_symbol_name_alloc;
444 if (name != mangled_symbol_name && 0 != g_strcasecmp (name, mangled_symbol_name)) {
445 mono_img_writer_emit_label (acfg->w, mangled_symbol_name);
447 mono_img_writer_emit_local_symbol (acfg->w, mangled_symbol_name, end_label, func);
449 if (NULL != mangled_symbol_name_alloc) {
450 g_free (mangled_symbol_name_alloc);
457 emit_local_symbol (MonoAotCompile *acfg, const char *name, const char *end_label, gboolean func)
459 mono_img_writer_emit_local_symbol (acfg->w, name, end_label, func);
465 emit_label (MonoAotCompile *acfg, const char *name)
467 mono_img_writer_emit_label (acfg->w, name);
471 emit_bytes (MonoAotCompile *acfg, const guint8* buf, int size)
473 mono_img_writer_emit_bytes (acfg->w, buf, size);
477 emit_string (MonoAotCompile *acfg, const char *value)
479 mono_img_writer_emit_string (acfg->w, value);
483 emit_line (MonoAotCompile *acfg)
485 mono_img_writer_emit_line (acfg->w);
489 emit_alignment (MonoAotCompile *acfg, int size)
491 mono_img_writer_emit_alignment (acfg->w, size);
495 emit_alignment_code (MonoAotCompile *acfg, int size)
497 if (acfg->align_pad_value)
498 mono_img_writer_emit_alignment_fill (acfg->w, size, acfg->align_pad_value);
500 mono_img_writer_emit_alignment (acfg->w, size);
504 emit_padding (MonoAotCompile *acfg, int size)
509 if (acfg->align_pad_value) {
510 for (i = 0; i < 16; ++i)
511 buf [i] = acfg->align_pad_value;
513 memset (buf, 0, sizeof (buf));
516 for (i = 0; i < size; i += 16) {
518 emit_bytes (acfg, buf, size - i);
520 emit_bytes (acfg, buf, 16);
525 emit_pointer (MonoAotCompile *acfg, const char *target)
527 mono_img_writer_emit_pointer (acfg->w, target);
531 emit_pointer_2 (MonoAotCompile *acfg, const char *prefix, const char *target)
533 if (prefix [0] != '\0') {
534 char *s = g_strdup_printf ("%s%s", prefix, target);
535 mono_img_writer_emit_pointer (acfg->w, s);
538 mono_img_writer_emit_pointer (acfg->w, target);
543 emit_int16 (MonoAotCompile *acfg, int value)
545 mono_img_writer_emit_int16 (acfg->w, value);
549 emit_int32 (MonoAotCompile *acfg, int value)
551 mono_img_writer_emit_int32 (acfg->w, value);
555 emit_symbol_diff (MonoAotCompile *acfg, const char *end, const char* start, int offset)
557 mono_img_writer_emit_symbol_diff (acfg->w, end, start, offset);
561 emit_zero_bytes (MonoAotCompile *acfg, int num)
563 mono_img_writer_emit_zero_bytes (acfg->w, num);
567 emit_byte (MonoAotCompile *acfg, guint8 val)
569 mono_img_writer_emit_byte (acfg->w, val);
572 #if defined(TARGET_WIN32) && defined(TARGET_X86)
574 static G_GNUC_UNUSED void
575 emit_global_inner (MonoAotCompile *acfg, const char *name, gboolean func)
577 const char * mangled_symbol_name = name;
578 char * mangled_symbol_name_alloc = NULL;
580 mangled_symbol_name_alloc = mangle_symbol_alloc (name);
581 mangled_symbol_name = mangled_symbol_name_alloc;
583 if (0 != g_strcasecmp (name, mangled_symbol_name)) {
584 mono_img_writer_emit_label (acfg->w, mangled_symbol_name);
586 mono_img_writer_emit_global (acfg->w, mangled_symbol_name, func);
588 if (NULL != mangled_symbol_name_alloc) {
589 g_free (mangled_symbol_name_alloc);
595 static G_GNUC_UNUSED void
596 emit_global_inner (MonoAotCompile *acfg, const char *name, gboolean func)
598 mono_img_writer_emit_global (acfg->w, name, func);
604 emit_global (MonoAotCompile *acfg, const char *name, gboolean func)
606 if (acfg->aot_opts.no_dlsym) {
607 g_ptr_array_add (acfg->globals, g_strdup (name));
608 mono_img_writer_emit_local_symbol (acfg->w, name, NULL, func);
610 emit_global_inner (acfg, name, func);
615 emit_symbol_size (MonoAotCompile *acfg, const char *name, const char *end_label)
617 mono_img_writer_emit_symbol_size (acfg->w, name, end_label);
620 /* Emit a symbol which is referenced by the MonoAotFileInfo structure */
622 emit_info_symbol (MonoAotCompile *acfg, const char *name)
624 char symbol [MAX_SYMBOL_SIZE];
627 emit_label (acfg, name);
628 /* LLVM generated code references this */
629 sprintf (symbol, "%s%s%s", acfg->user_symbol_prefix, acfg->global_prefix, name);
630 emit_label (acfg, symbol);
631 emit_global_inner (acfg, symbol, FALSE);
633 emit_label (acfg, name);
638 emit_string_symbol (MonoAotCompile *acfg, const char *name, const char *value)
641 mono_llvm_emit_aot_data (name, (guint8*)value, strlen (value) + 1);
645 mono_img_writer_emit_section_change (acfg->w, RODATA_SECT, 1);
647 /* On apple, all symbols need to be aligned to avoid warnings from ld */
648 emit_alignment (acfg, 4);
650 mono_img_writer_emit_label (acfg->w, name);
651 mono_img_writer_emit_string (acfg->w, value);
654 static G_GNUC_UNUSED void
655 emit_uleb128 (MonoAotCompile *acfg, guint32 value)
658 guint8 b = value & 0x7f;
660 if (value != 0) /* more bytes to come */
666 static G_GNUC_UNUSED void
667 emit_sleb128 (MonoAotCompile *acfg, gint64 value)
670 gboolean negative = (value < 0);
677 /* the following is unnecessary if the
678 * implementation of >>= uses an arithmetic rather
679 * than logical shift for a signed left operand
683 value |= - ((gint64)1 <<(size - 7));
684 /* sign bit of byte is second high order bit (0x40) */
685 if ((value == 0 && !(byte & 0x40)) ||
686 (value == -1 && (byte & 0x40)))
690 emit_byte (acfg, byte);
694 static G_GNUC_UNUSED void
695 encode_uleb128 (guint32 value, guint8 *buf, guint8 **endbuf)
700 guint8 b = value & 0x7f;
702 if (value != 0) /* more bytes to come */
710 static G_GNUC_UNUSED void
711 encode_sleb128 (gint32 value, guint8 *buf, guint8 **endbuf)
714 gboolean negative = (value < 0);
722 /* the following is unnecessary if the
723 * implementation of >>= uses an arithmetic rather
724 * than logical shift for a signed left operand
728 value |= - (1 <<(size - 7));
729 /* sign bit of byte is second high order bit (0x40) */
730 if ((value == 0 && !(byte & 0x40)) ||
731 (value == -1 && (byte & 0x40)))
742 encode_int (gint32 val, guint8 *buf, guint8 **endbuf)
745 buf [0] = (val >> 0) & 0xff;
746 buf [1] = (val >> 8) & 0xff;
747 buf [2] = (val >> 16) & 0xff;
748 buf [3] = (val >> 24) & 0xff;
754 encode_int16 (guint16 val, guint8 *buf, guint8 **endbuf)
756 buf [0] = (val >> 0) & 0xff;
757 buf [1] = (val >> 8) & 0xff;
763 encode_string (const char *s, guint8 *buf, guint8 **endbuf)
765 int len = strlen (s);
767 memcpy (buf, s, len + 1);
768 *endbuf = buf + len + 1;
772 emit_unset_mode (MonoAotCompile *acfg)
774 mono_img_writer_emit_unset_mode (acfg->w);
777 static G_GNUC_UNUSED void
778 emit_set_thumb_mode (MonoAotCompile *acfg)
780 emit_unset_mode (acfg);
781 fprintf (acfg->fp, ".code 16\n");
784 static G_GNUC_UNUSED void
785 emit_set_arm_mode (MonoAotCompile *acfg)
787 emit_unset_mode (acfg);
788 fprintf (acfg->fp, ".code 32\n");
792 emit_code_bytes (MonoAotCompile *acfg, const guint8* buf, int size)
797 g_assert (size % 4 == 0);
798 emit_unset_mode (acfg);
799 for (i = 0; i < size; i += 4)
800 fprintf (acfg->fp, "%s 0x%x\n", acfg->inst_directive, *(guint32*)(buf + i));
802 emit_bytes (acfg, buf, size);
806 /* ARCHITECTURE SPECIFIC CODE */
808 #if defined(TARGET_X86) || defined(TARGET_AMD64) || defined(TARGET_ARM) || defined(TARGET_POWERPC) || defined(TARGET_ARM64)
809 #define EMIT_DWARF_INFO 1
812 #if defined(TARGET_ARM)
813 #define AOT_FUNC_ALIGNMENT 4
815 #define AOT_FUNC_ALIGNMENT 16
818 #if defined(TARGET_POWERPC64) && !defined(__mono_ilp32__)
819 #define PPC_LD_OP "ld"
820 #define PPC_LDX_OP "ldx"
822 #define PPC_LD_OP "lwz"
823 #define PPC_LDX_OP "lwzx"
827 #define AOT_TARGET_STR "AMD64"
832 #define AOT_TARGET_STR "ARM (MACH)"
834 #define AOT_TARGET_STR "ARM (!MACH)"
840 #define AOT_TARGET_STR "ARM64 (MACH)"
842 #define AOT_TARGET_STR "ARM64 (!MACH)"
846 #ifdef TARGET_POWERPC64
847 #ifdef __mono_ilp32__
848 #define AOT_TARGET_STR "POWERPC64 (mono ilp32)"
850 #define AOT_TARGET_STR "POWERPC64 (!mono ilp32)"
853 #ifdef TARGET_POWERPC
854 #ifdef __mono_ilp32__
855 #define AOT_TARGET_STR "POWERPC (mono ilp32)"
857 #define AOT_TARGET_STR "POWERPC (!mono ilp32)"
864 #define AOT_TARGET_STR "X86 (WIN32)"
865 #elif defined(__native_client_codegen__)
866 #define AOT_TARGET_STR "X86 (native client codegen)"
868 #define AOT_TARGET_STR "X86 (!native client codegen)"
872 #ifndef AOT_TARGET_STR
873 #define AOT_TARGET_STR ""
877 arch_init (MonoAotCompile *acfg)
879 acfg->llc_args = g_string_new ("");
880 acfg->as_args = g_string_new ("");
883 * The prefix LLVM likes to put in front of symbol names on darwin.
884 * The mach-os specs require this for globals, but LLVM puts them in front of all
885 * symbols. We need to handle this, since we need to refer to LLVM generated
888 acfg->llvm_label_prefix = "";
889 acfg->user_symbol_prefix = "";
891 #if defined(TARGET_X86)
892 g_string_append (acfg->llc_args, " -march=x86 -mattr=sse4.1");
895 #if defined(TARGET_AMD64)
896 g_string_append (acfg->llc_args, " -march=x86-64 -mattr=sse4.1");
898 acfg->align_pad_value = 0x90;
902 if (acfg->aot_opts.mtriple && strstr (acfg->aot_opts.mtriple, "darwin")) {
903 g_string_append (acfg->llc_args, "-mattr=+v6");
905 #if defined(ARM_FPU_VFP_HARD)
906 g_string_append (acfg->llc_args, " -mattr=+vfp2,-neon,+d16 -float-abi=hard");
907 g_string_append (acfg->as_args, " -mfpu=vfp3");
908 #elif defined(ARM_FPU_VFP)
909 g_string_append (acfg->llc_args, " -mattr=+vfp2,-neon,+d16");
910 g_string_append (acfg->as_args, " -mfpu=vfp3");
912 g_string_append (acfg->llc_args, " -soft-float");
915 if (acfg->aot_opts.mtriple && strstr (acfg->aot_opts.mtriple, "thumb"))
916 acfg->thumb_mixed = TRUE;
918 if (acfg->aot_opts.mtriple)
919 mono_arch_set_target (acfg->aot_opts.mtriple);
923 acfg->inst_directive = ".inst";
924 if (acfg->aot_opts.mtriple)
925 mono_arch_set_target (acfg->aot_opts.mtriple);
929 acfg->user_symbol_prefix = "_";
930 acfg->llvm_label_prefix = "_";
931 acfg->inst_directive = ".word";
932 acfg->need_no_dead_strip = TRUE;
933 acfg->aot_opts.gnu_asm = TRUE;
936 #if defined(__linux__) && !defined(TARGET_ARM)
937 acfg->need_pt_gnu_stack = TRUE;
941 acfg->global_symbols = TRUE;
948 /* Load the contents of GOT_SLOT into dreg, clobbering ip0 */
950 arm64_emit_load_got_slot (MonoAotCompile *acfg, int dreg, int got_slot)
955 emit_unset_mode (acfg);
957 offset = (int)(got_slot * sizeof (gpointer));
959 /* clang's integrated assembler */
960 fprintf (acfg->fp, "adrp x16, %s@PAGE+%d\n", acfg->got_symbol, offset & 0xfffff000);
961 fprintf (acfg->fp, "add x16, x16, %s@PAGEOFF\n", acfg->got_symbol);
962 fprintf (acfg->fp, "ldr x%d, [x16, #%d]\n", dreg, offset & 0xfff);
965 fprintf (acfg->fp, "adrp x16, %s+%d\n", acfg->got_symbol, offset & 0xfffff000);
966 fprintf (acfg->fp, "add x16, x16, :lo12:%s\n", acfg->got_symbol);
967 fprintf (acfg->fp, "ldr x%d, [x16, %d]\n", dreg, offset & 0xfff);
972 arm64_emit_objc_selector_ref (MonoAotCompile *acfg, guint8 *code, int index, int *code_size)
977 emit_unset_mode (acfg);
980 reg = arm_get_ldr_lit_reg (code);
982 fprintf (acfg->fp, "adrp x%d, L_OBJC_SELECTOR_REFERENCES_%d@PAGE\n", reg, index);
983 fprintf (acfg->fp, "add x%d, x%d, L_OBJC_SELECTOR_REFERENCES_%d@PAGEOFF\n", reg, reg, index);
984 fprintf (acfg->fp, "ldr x%d, [x%d]\n", reg, reg);
990 arm64_emit_direct_call (MonoAotCompile *acfg, const char *target, gboolean external, gboolean thumb, MonoJumpInfo *ji, int *call_size)
993 emit_unset_mode (acfg);
994 if (ji && ji->relocation == MONO_R_ARM64_B) {
995 fprintf (acfg->fp, "b %s\n", target);
998 g_assert (ji->relocation == MONO_R_ARM64_BL);
999 fprintf (acfg->fp, "bl %s\n", target);
1005 arm64_emit_got_access (MonoAotCompile *acfg, guint8 *code, int got_slot, int *code_size)
1009 /* ldr rt, target */
1010 reg = arm_get_ldr_lit_reg (code);
1011 arm64_emit_load_got_slot (acfg, reg, got_slot);
1016 arm64_emit_plt_entry (MonoAotCompile *acfg, const char *got_symbol, int offset, int info_offset)
1018 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset / sizeof (gpointer));
1019 fprintf (acfg->fp, "br x16\n");
1020 /* Used by mono_aot_get_plt_info_offset () */
1021 fprintf (acfg->fp, "%s %d\n", acfg->inst_directive, info_offset);
1025 arm64_emit_tramp_page_common_code (MonoAotCompile *acfg, int pagesize, int arg_reg, int *size)
1031 /* The common code */
1034 /* The trampoline address is in IP0 */
1035 arm_movzx (code, ARMREG_IP1, imm & 0xffff, 0);
1036 arm_movkx (code, ARMREG_IP1, (imm >> 16) & 0xffff, 16);
1037 /* Compute the data slot address */
1038 arm_subx (code, ARMREG_IP0, ARMREG_IP0, ARMREG_IP1);
1039 /* Trampoline argument */
1040 arm_ldrx (code, arg_reg, ARMREG_IP0, 0);
1042 arm_ldrx (code, ARMREG_IP0, ARMREG_IP0, 8);
1043 arm_brx (code, ARMREG_IP0);
1046 emit_code_bytes (acfg, buf, code - buf);
1052 arm64_emit_tramp_page_specific_code (MonoAotCompile *acfg, int pagesize, int common_tramp_size, int specific_tramp_size)
1058 count = (pagesize - common_tramp_size) / specific_tramp_size;
1059 for (i = 0; i < count; ++i) {
1061 arm_adrx (code, ARMREG_IP0, code);
1062 /* Branch to the generic code */
1063 arm_b (code, code - 4 - (i * specific_tramp_size) - common_tramp_size);
1064 /* This has to be 2 pointers long */
1067 g_assert (code - buf == specific_tramp_size);
1068 emit_code_bytes (acfg, buf, code - buf);
1073 arm64_emit_specific_trampoline_pages (MonoAotCompile *acfg)
1077 guint8 *labels [16];
1078 int common_tramp_size;
1079 int specific_tramp_size = 2 * 8;
1083 if (!acfg->aot_opts.use_trampolines_page)
1087 /* Have to match the target pagesize */
1090 pagesize = mono_pagesize ();
1092 acfg->tramp_page_size = pagesize;
1094 /* The specific trampolines */
1095 sprintf (symbol, "%sspecific_trampolines_page", acfg->user_symbol_prefix);
1096 emit_alignment (acfg, pagesize);
1097 emit_global (acfg, symbol, TRUE);
1098 emit_label (acfg, symbol);
1100 /* The common code */
1101 arm64_emit_tramp_page_common_code (acfg, pagesize, ARMREG_IP1, &common_tramp_size);
1102 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_SPECIFIC] = common_tramp_size;
1104 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1106 /* The rgctx trampolines */
1107 /* These are the same as the specific trampolines, but they load the argument into MONO_ARCH_RGCTX_REG */
1108 sprintf (symbol, "%srgctx_trampolines_page", acfg->user_symbol_prefix);
1109 emit_alignment (acfg, pagesize);
1110 emit_global (acfg, symbol, TRUE);
1111 emit_label (acfg, symbol);
1113 /* The common code */
1114 arm64_emit_tramp_page_common_code (acfg, pagesize, MONO_ARCH_RGCTX_REG, &common_tramp_size);
1115 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_STATIC_RGCTX] = common_tramp_size;
1117 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1119 /* The gsharedvt arg trampolines */
1120 /* These are the same as the specific trampolines */
1121 sprintf (symbol, "%sgsharedvt_arg_trampolines_page", acfg->user_symbol_prefix);
1122 emit_alignment (acfg, pagesize);
1123 emit_global (acfg, symbol, TRUE);
1124 emit_label (acfg, symbol);
1126 arm64_emit_tramp_page_common_code (acfg, pagesize, ARMREG_IP1, &common_tramp_size);
1127 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_GSHAREDVT_ARG] = common_tramp_size;
1129 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1131 /* The IMT trampolines */
1132 sprintf (symbol, "%simt_trampolines_page", acfg->user_symbol_prefix);
1133 emit_alignment (acfg, pagesize);
1134 emit_global (acfg, symbol, TRUE);
1135 emit_label (acfg, symbol);
1139 /* The trampoline address is in IP0 */
1140 arm_movzx (code, ARMREG_IP1, imm & 0xffff, 0);
1141 arm_movkx (code, ARMREG_IP1, (imm >> 16) & 0xffff, 16);
1142 /* Compute the data slot address */
1143 arm_subx (code, ARMREG_IP0, ARMREG_IP0, ARMREG_IP1);
1144 /* Trampoline argument */
1145 arm_ldrx (code, ARMREG_IP1, ARMREG_IP0, 0);
1147 /* Same as arch_emit_imt_thunk () */
1149 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 0);
1150 arm_cmpx (code, ARMREG_IP0, MONO_ARCH_RGCTX_REG);
1152 arm_bcc (code, ARMCOND_EQ, 0);
1154 /* End-of-loop check */
1156 arm_cbzx (code, ARMREG_IP0, 0);
1159 arm_addx_imm (code, ARMREG_IP1, ARMREG_IP1, 2 * 8);
1160 arm_b (code, labels [0]);
1163 mono_arm_patch (labels [1], code, MONO_R_ARM64_BCC);
1164 /* Load vtable slot addr */
1165 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1166 /* Load vtable slot */
1167 arm_ldrx (code, ARMREG_IP0, ARMREG_IP0, 0);
1168 arm_brx (code, ARMREG_IP0);
1171 mono_arm_patch (labels [2], code, MONO_R_ARM64_CBZ);
1172 /* Load fail addr */
1173 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1174 arm_brx (code, ARMREG_IP0);
1176 emit_code_bytes (acfg, buf, code - buf);
1178 common_tramp_size = code - buf;
1179 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_IMT_THUNK] = common_tramp_size;
1181 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1185 arm64_emit_specific_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1187 /* Load argument from second GOT slot */
1188 arm64_emit_load_got_slot (acfg, ARMREG_R17, offset + 1);
1189 /* Load generic trampoline address from first GOT slot */
1190 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset);
1191 fprintf (acfg->fp, "br x16\n");
1192 *tramp_size = 7 * 4;
1196 arm64_emit_unbox_trampoline (MonoAotCompile *acfg, MonoCompile *cfg, MonoMethod *method, const char *call_target)
1198 emit_unset_mode (acfg);
1199 fprintf (acfg->fp, "add x0, x0, %d\n", (int)(sizeof (MonoObject)));
1200 fprintf (acfg->fp, "b %s\n", call_target);
1204 arm64_emit_static_rgctx_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1206 /* Similar to the specific trampolines, but use the rgctx reg instead of ip1 */
1208 /* Load argument from first GOT slot */
1209 arm64_emit_load_got_slot (acfg, MONO_ARCH_RGCTX_REG, offset);
1210 /* Load generic trampoline address from second GOT slot */
1211 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset + 1);
1212 fprintf (acfg->fp, "br x16\n");
1213 *tramp_size = 7 * 4;
1217 arm64_emit_imt_thunk (MonoAotCompile *acfg, int offset, int *tramp_size)
1220 guint8 *code, *labels [16];
1222 /* Load parameter from GOT slot into ip1 */
1223 arm64_emit_load_got_slot (acfg, ARMREG_R17, offset);
1227 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 0);
1228 arm_cmpx (code, ARMREG_IP0, MONO_ARCH_RGCTX_REG);
1230 arm_bcc (code, ARMCOND_EQ, 0);
1232 /* End-of-loop check */
1234 arm_cbzx (code, ARMREG_IP0, 0);
1237 arm_addx_imm (code, ARMREG_IP1, ARMREG_IP1, 2 * 8);
1238 arm_b (code, labels [0]);
1241 mono_arm_patch (labels [1], code, MONO_R_ARM64_BCC);
1242 /* Load vtable slot addr */
1243 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1244 /* Load vtable slot */
1245 arm_ldrx (code, ARMREG_IP0, ARMREG_IP0, 0);
1246 arm_brx (code, ARMREG_IP0);
1249 mono_arm_patch (labels [2], code, MONO_R_ARM64_CBZ);
1250 /* Load fail addr */
1251 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1252 arm_brx (code, ARMREG_IP0);
1254 emit_code_bytes (acfg, buf, code - buf);
1256 *tramp_size = code - buf + (3 * 4);
1260 arm64_emit_gsharedvt_arg_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1262 /* Similar to the specific trampolines, but the address is in the second slot */
1263 /* Load argument from first GOT slot */
1264 arm64_emit_load_got_slot (acfg, ARMREG_R17, offset);
1265 /* Load generic trampoline address from second GOT slot */
1266 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset + 1);
1267 fprintf (acfg->fp, "br x16\n");
1268 *tramp_size = 7 * 4;
1274 #ifdef MONO_ARCH_AOT_SUPPORTED
1276 * arch_emit_direct_call:
1278 * Emit a direct call to the symbol TARGET. CALL_SIZE is set to the size of the
1282 arch_emit_direct_call (MonoAotCompile *acfg, const char *target, gboolean external, gboolean thumb, MonoJumpInfo *ji, int *call_size)
1284 #if defined(TARGET_X86) || defined(TARGET_AMD64)
1285 /* Need to make sure this is exactly 5 bytes long */
1286 emit_unset_mode (acfg);
1287 fprintf (acfg->fp, "call %s\n", target);
1289 #elif defined(TARGET_ARM)
1290 emit_unset_mode (acfg);
1292 fprintf (acfg->fp, "blx %s\n", target);
1294 fprintf (acfg->fp, "bl %s\n", target);
1296 #elif defined(TARGET_ARM64)
1297 arm64_emit_direct_call (acfg, target, external, thumb, ji, call_size);
1298 #elif defined(TARGET_POWERPC)
1299 emit_unset_mode (acfg);
1300 fprintf (acfg->fp, "bl %s\n", target);
1303 g_assert_not_reached ();
1310 * - we use an approach similar to the x86 abi: reserve a register (r30) to hold
1312 * - The full-aot trampolines need access to the GOT of mscorlib, so we store
1313 * in in the 2. slot of every GOT, and require every method to place the GOT
1314 * address in r30, even when it doesn't access the GOT otherwise. This way,
1315 * the trampolines can compute the mscorlib GOT address by loading 4(r30).
1320 * PPC64 uses function descriptors which greatly complicate all code, since
1321 * these are used very inconsistently in the runtime. Some functions like
1322 * mono_compile_method () return ftn descriptors, while others like the
1323 * trampoline creation functions do not.
1324 * We assume that all GOT slots contain function descriptors, and create
1325 * descriptors in aot-runtime.c when needed.
1326 * The ppc64 abi uses r2 to hold the address of the TOC/GOT, which is loaded
1327 * from function descriptors, we could do the same, but it would require
1328 * rewriting all the ppc/aot code to handle function descriptors properly.
1329 * So instead, we use the same approach as on PPC32.
1330 * This is a horrible mess, but fixing it would probably lead to an even bigger
1336 * - similar to the PPC32 design, we reserve EBX to hold the GOT pointer.
1339 #ifdef MONO_ARCH_AOT_SUPPORTED
1341 * arch_emit_got_offset:
1343 * The memory pointed to by CODE should hold native code for computing the GOT
1344 * address (OP_LOAD_GOTADDR). Emit this code while patching it with the offset
1345 * between code and the GOT. CODE_SIZE is set to the number of bytes emitted.
1348 arch_emit_got_offset (MonoAotCompile *acfg, guint8 *code, int *code_size)
1350 #if defined(TARGET_POWERPC64)
1351 emit_unset_mode (acfg);
1353 * The ppc32 code doesn't seem to work on ppc64, the assembler complains about
1354 * unsupported relocations. So we store the got address into the .Lgot_addr
1355 * symbol which is in the text segment, compute its address, and load it.
1357 fprintf (acfg->fp, ".L%d:\n", acfg->label_generator);
1358 fprintf (acfg->fp, "lis 0, (.Lgot_addr + 4 - .L%d)@h\n", acfg->label_generator);
1359 fprintf (acfg->fp, "ori 0, 0, (.Lgot_addr + 4 - .L%d)@l\n", acfg->label_generator);
1360 fprintf (acfg->fp, "add 30, 30, 0\n");
1361 fprintf (acfg->fp, "%s 30, 0(30)\n", PPC_LD_OP);
1362 acfg->label_generator ++;
1364 #elif defined(TARGET_POWERPC)
1365 emit_unset_mode (acfg);
1366 fprintf (acfg->fp, ".L%d:\n", acfg->label_generator);
1367 fprintf (acfg->fp, "lis 0, (%s + 4 - .L%d)@h\n", acfg->got_symbol, acfg->label_generator);
1368 fprintf (acfg->fp, "ori 0, 0, (%s + 4 - .L%d)@l\n", acfg->got_symbol, acfg->label_generator);
1369 acfg->label_generator ++;
1372 guint32 offset = mono_arch_get_patch_offset (code);
1373 emit_bytes (acfg, code, offset);
1374 emit_symbol_diff (acfg, acfg->got_symbol, ".", offset);
1376 *code_size = offset + 4;
1381 * arch_emit_got_access:
1383 * The memory pointed to by CODE should hold native code for loading a GOT
1384 * slot (OP_AOTCONST/OP_GOT_ENTRY). Emit this code while patching it so it accesses the
1385 * GOT slot GOT_SLOT. CODE_SIZE is set to the number of bytes emitted.
1388 arch_emit_got_access (MonoAotCompile *acfg, const char *got_symbol, guint8 *code, int got_slot, int *code_size)
1391 /* mov reg, got+offset(%rip) */
1393 /* The GOT symbol is in the LLVM module, the clang assembler has problems emitting symbol diffs for it */
1397 /* Decode reg, see amd64_mov_reg_membase () */
1398 rex_r = code [0] & AMD64_REX_R;
1399 g_assert (code [0] == 0x49 + rex_r);
1400 g_assert (code [1] == 0x8b);
1401 dreg = ((code [2] >> 3) & 0x7) + (rex_r ? 8 : 0);
1403 emit_unset_mode (acfg);
1404 fprintf (acfg->fp, "mov %s+%d(%%rip), %s\n", got_symbol, (unsigned int) ((got_slot * sizeof (gpointer))), mono_arch_regname (dreg));
1407 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1408 emit_symbol_diff (acfg, got_symbol, ".", (unsigned int) ((got_slot * sizeof (gpointer)) - 4));
1409 *code_size = mono_arch_get_patch_offset (code) + 4;
1411 #elif defined(TARGET_X86)
1412 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1413 emit_int32 (acfg, (unsigned int) ((got_slot * sizeof (gpointer))));
1414 *code_size = mono_arch_get_patch_offset (code) + 4;
1415 #elif defined(TARGET_ARM)
1416 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1417 emit_symbol_diff (acfg, got_symbol, ".", (unsigned int) ((got_slot * sizeof (gpointer))) - 12);
1418 *code_size = mono_arch_get_patch_offset (code) + 4;
1419 #elif defined(TARGET_ARM64)
1420 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1421 arm64_emit_got_access (acfg, code, got_slot, code_size);
1422 #elif defined(TARGET_POWERPC)
1427 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1429 ppc_load32 (code, ppc_r0, got_slot * sizeof (gpointer));
1430 g_assert (code - buf == 8);
1431 emit_bytes (acfg, buf, code - buf);
1432 *code_size = code - buf;
1435 g_assert_not_reached ();
1441 #ifdef MONO_ARCH_AOT_SUPPORTED
1443 * arch_emit_objc_selector_ref:
1445 * Emit the implementation of OP_OBJC_GET_SELECTOR, which itself implements @selector(foo:) in objective-c.
1448 arch_emit_objc_selector_ref (MonoAotCompile *acfg, guint8 *code, int index, int *code_size)
1450 #if defined(TARGET_ARM)
1451 char symbol1 [MAX_SYMBOL_SIZE];
1452 char symbol2 [MAX_SYMBOL_SIZE];
1453 int lindex = acfg->objc_selector_index_2 ++;
1455 /* Emit ldr.imm/b */
1456 emit_bytes (acfg, code, 8);
1458 sprintf (symbol1, "L_OBJC_SELECTOR_%d", lindex);
1459 sprintf (symbol2, "L_OBJC_SELECTOR_REFERENCES_%d", index);
1461 emit_label (acfg, symbol1);
1462 mono_img_writer_emit_unset_mode (acfg->w);
1463 fprintf (acfg->fp, ".long %s-(%s+12)", symbol2, symbol1);
1466 #elif defined(TARGET_ARM64)
1467 arm64_emit_objc_selector_ref (acfg, code, index, code_size);
1469 g_assert_not_reached ();
1475 * arch_emit_plt_entry:
1477 * Emit code for the PLT entry.
1478 * The plt entry should look like this:
1479 * <indirect jump to GOT_SYMBOL + OFFSET>
1480 * <INFO_OFFSET embedded into the instruction stream>
1483 arch_emit_plt_entry (MonoAotCompile *acfg, const char *got_symbol, int offset, int info_offset)
1485 #if defined(TARGET_X86)
1486 /* jmp *<offset>(%ebx) */
1487 emit_byte (acfg, 0xff);
1488 emit_byte (acfg, 0xa3);
1489 emit_int32 (acfg, offset);
1490 /* Used by mono_aot_get_plt_info_offset */
1491 emit_int32 (acfg, info_offset);
1492 #elif defined(TARGET_AMD64)
1493 emit_unset_mode (acfg);
1494 fprintf (acfg->fp, "jmp *%s+%d(%%rip)\n", got_symbol, offset);
1495 /* Used by mono_aot_get_plt_info_offset */
1496 emit_int32 (acfg, info_offset);
1497 acfg->stats.plt_size += 10;
1498 #elif defined(TARGET_ARM)
1503 ARM_LDR_IMM (code, ARMREG_IP, ARMREG_PC, 0);
1504 ARM_LDR_REG_REG (code, ARMREG_PC, ARMREG_PC, ARMREG_IP);
1505 emit_bytes (acfg, buf, code - buf);
1506 emit_symbol_diff (acfg, got_symbol, ".", offset - 4);
1507 /* Used by mono_aot_get_plt_info_offset */
1508 emit_int32 (acfg, info_offset);
1509 #elif defined(TARGET_ARM64)
1510 arm64_emit_plt_entry (acfg, got_symbol, offset, info_offset);
1511 #elif defined(TARGET_POWERPC)
1512 /* The GOT address is guaranteed to be in r30 by OP_LOAD_GOTADDR */
1513 emit_unset_mode (acfg);
1514 fprintf (acfg->fp, "lis 11, %d@h\n", offset);
1515 fprintf (acfg->fp, "ori 11, 11, %d@l\n", offset);
1516 fprintf (acfg->fp, "add 11, 11, 30\n");
1517 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
1518 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1519 fprintf (acfg->fp, "%s 2, %d(11)\n", PPC_LD_OP, (int)sizeof (gpointer));
1520 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
1522 fprintf (acfg->fp, "mtctr 11\n");
1523 fprintf (acfg->fp, "bctr\n");
1524 emit_int32 (acfg, info_offset);
1526 g_assert_not_reached ();
1531 * arch_emit_llvm_plt_entry:
1533 * Same as arch_emit_plt_entry, but handles calls from LLVM generated code.
1534 * This is only needed on arm to handle thumb interop.
1537 arch_emit_llvm_plt_entry (MonoAotCompile *acfg, const char *got_symbol, int offset, int info_offset)
1539 #if defined(TARGET_ARM)
1540 /* LLVM calls the PLT entries using bl, so these have to be thumb2 */
1541 /* The caller already transitioned to thumb */
1542 /* The code below should be 12 bytes long */
1543 /* clang has trouble encoding these instructions, so emit the binary */
1545 fprintf (acfg->fp, "ldr ip, [pc, #8]\n");
1546 /* thumb can't encode ld pc, [pc, ip] */
1547 fprintf (acfg->fp, "add ip, pc, ip\n");
1548 fprintf (acfg->fp, "ldr ip, [ip, #0]\n");
1549 fprintf (acfg->fp, "bx ip\n");
1551 emit_set_thumb_mode (acfg);
1552 fprintf (acfg->fp, ".4byte 0xc008f8df\n");
1553 fprintf (acfg->fp, ".2byte 0x44fc\n");
1554 fprintf (acfg->fp, ".4byte 0xc000f8dc\n");
1555 fprintf (acfg->fp, ".2byte 0x4760\n");
1556 emit_symbol_diff (acfg, got_symbol, ".", offset + 4);
1557 emit_int32 (acfg, info_offset);
1558 emit_unset_mode (acfg);
1559 emit_set_arm_mode (acfg);
1561 g_assert_not_reached ();
1565 /* Save unwind_info in the module and emit the offset to the information at symbol */
1566 static void save_unwind_info (MonoAotCompile *acfg, char *symbol, GSList *unwind_ops)
1568 guint32 uw_offset, encoded_len;
1571 emit_section_change (acfg, RODATA_SECT, 0);
1572 emit_global (acfg, symbol, FALSE);
1573 emit_label (acfg, symbol);
1575 encoded = mono_unwind_ops_encode (unwind_ops, &encoded_len);
1576 uw_offset = get_unwind_info_offset (acfg, encoded, encoded_len);
1578 emit_int32 (acfg, uw_offset);
1582 * arch_emit_specific_trampoline_pages:
1584 * Emits a page full of trampolines: each trampoline uses its own address to
1585 * lookup both the generic trampoline code and the data argument.
1586 * This page can be remapped in process multiple times so we can get an
1587 * unlimited number of trampolines.
1588 * Specifically this implementation uses the following trick: two memory pages
1589 * are allocated, with the first containing the data and the second containing the trampolines.
1590 * To reduce trampoline size, each trampoline jumps at the start of the page where a common
1591 * implementation does all the lifting.
1592 * Note that the ARM single trampoline size is 8 bytes, exactly like the data that needs to be stored
1593 * on the arm 32 bit system.
1596 arch_emit_specific_trampoline_pages (MonoAotCompile *acfg)
1598 #if defined(TARGET_ARM)
1601 guint8 *loop_start, *loop_branch_back, *loop_end_check, *imt_found_check;
1603 int pagesize = MONO_AOT_TRAMP_PAGE_SIZE;
1604 GSList *unwind_ops = NULL;
1605 #define COMMON_TRAMP_SIZE 16
1606 int count = (pagesize - COMMON_TRAMP_SIZE) / 8;
1607 int imm8, rot_amount;
1610 if (!acfg->aot_opts.use_trampolines_page)
1613 acfg->tramp_page_size = pagesize;
1615 sprintf (symbol, "%sspecific_trampolines_page", acfg->user_symbol_prefix);
1616 emit_alignment (acfg, pagesize);
1617 emit_global (acfg, symbol, TRUE);
1618 emit_label (acfg, symbol);
1620 /* emit the generic code first, the trampoline address + 8 is in the lr register */
1622 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1623 ARM_SUB_REG_IMM (code, ARMREG_LR, ARMREG_LR, imm8, rot_amount);
1624 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_LR, -8);
1625 ARM_LDR_IMM (code, ARMREG_PC, ARMREG_LR, -4);
1627 g_assert (code - buf == COMMON_TRAMP_SIZE);
1630 emit_bytes (acfg, buf, code - buf);
1632 for (i = 0; i < count; ++i) {
1634 ARM_PUSH (code, 0x5fff);
1636 arm_patch (code - 4, code - COMMON_TRAMP_SIZE - 8 * (i + 1));
1637 g_assert (code - buf == 8);
1638 emit_bytes (acfg, buf, code - buf);
1641 /* now the rgctx trampolines: each specific trampolines puts in the ip register
1642 * the instruction pointer address, so the generic trampoline at the start of the page
1643 * subtracts 4096 to get to the data page and loads the values
1644 * We again fit the generic trampiline in 16 bytes.
1646 sprintf (symbol, "%srgctx_trampolines_page", acfg->user_symbol_prefix);
1647 emit_global (acfg, symbol, TRUE);
1648 emit_label (acfg, symbol);
1650 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1651 ARM_SUB_REG_IMM (code, ARMREG_IP, ARMREG_IP, imm8, rot_amount);
1652 ARM_LDR_IMM (code, MONO_ARCH_RGCTX_REG, ARMREG_IP, -8);
1653 ARM_LDR_IMM (code, ARMREG_PC, ARMREG_IP, -4);
1655 g_assert (code - buf == COMMON_TRAMP_SIZE);
1658 emit_bytes (acfg, buf, code - buf);
1660 for (i = 0; i < count; ++i) {
1662 ARM_MOV_REG_REG (code, ARMREG_IP, ARMREG_PC);
1664 arm_patch (code - 4, code - COMMON_TRAMP_SIZE - 8 * (i + 1));
1665 g_assert (code - buf == 8);
1666 emit_bytes (acfg, buf, code - buf);
1670 * gsharedvt arg trampolines: see arch_emit_gsharedvt_arg_trampoline ()
1672 sprintf (symbol, "%sgsharedvt_arg_trampolines_page", acfg->user_symbol_prefix);
1673 emit_global (acfg, symbol, TRUE);
1674 emit_label (acfg, symbol);
1676 ARM_PUSH (code, (1 << ARMREG_R0) | (1 << ARMREG_R1) | (1 << ARMREG_R2) | (1 << ARMREG_R3));
1677 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1678 ARM_SUB_REG_IMM (code, ARMREG_IP, ARMREG_IP, imm8, rot_amount);
1679 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_IP, -8);
1680 ARM_LDR_IMM (code, ARMREG_PC, ARMREG_IP, -4);
1681 g_assert (code - buf == COMMON_TRAMP_SIZE);
1683 emit_bytes (acfg, buf, code - buf);
1685 for (i = 0; i < count; ++i) {
1687 ARM_MOV_REG_REG (code, ARMREG_IP, ARMREG_PC);
1689 arm_patch (code - 4, code - COMMON_TRAMP_SIZE - 8 * (i + 1));
1690 g_assert (code - buf == 8);
1691 emit_bytes (acfg, buf, code - buf);
1694 /* now the imt trampolines: each specific trampolines puts in the ip register
1695 * the instruction pointer address, so the generic trampoline at the start of the page
1696 * subtracts 4096 to get to the data page and loads the values
1698 #define IMT_TRAMP_SIZE 72
1699 sprintf (symbol, "%simt_trampolines_page", acfg->user_symbol_prefix);
1700 emit_global (acfg, symbol, TRUE);
1701 emit_label (acfg, symbol);
1703 /* Need at least two free registers, plus a slot for storing the pc */
1704 ARM_PUSH (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_R2));
1706 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1707 ARM_SUB_REG_IMM (code, ARMREG_IP, ARMREG_IP, imm8, rot_amount);
1708 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_IP, -8);
1710 /* The IMT method is in v5, r0 has the imt array address */
1713 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_R0, 0);
1714 ARM_CMP_REG_REG (code, ARMREG_R1, ARMREG_V5);
1715 imt_found_check = code;
1716 ARM_B_COND (code, ARMCOND_EQ, 0);
1718 /* End-of-loop check */
1719 ARM_CMP_REG_IMM (code, ARMREG_R1, 0, 0);
1720 loop_end_check = code;
1721 ARM_B_COND (code, ARMCOND_EQ, 0);
1724 ARM_ADD_REG_IMM8 (code, ARMREG_R0, ARMREG_R0, sizeof (gpointer) * 2);
1725 loop_branch_back = code;
1727 arm_patch (loop_branch_back, loop_start);
1730 arm_patch (imt_found_check, code);
1731 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
1732 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 0);
1733 /* Save it to the third stack slot */
1734 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
1735 /* Restore the registers and branch */
1736 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
1739 arm_patch (loop_end_check, code);
1740 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
1741 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
1742 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
1746 g_assert (code - buf == IMT_TRAMP_SIZE);
1747 emit_bytes (acfg, buf, code - buf);
1749 for (i = 0; i < count; ++i) {
1751 ARM_MOV_REG_REG (code, ARMREG_IP, ARMREG_PC);
1753 arm_patch (code - 4, code - IMT_TRAMP_SIZE - 8 * (i + 1));
1754 g_assert (code - buf == 8);
1755 emit_bytes (acfg, buf, code - buf);
1758 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_SPECIFIC] = 16;
1759 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_STATIC_RGCTX] = 16;
1760 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_IMT_THUNK] = 72;
1761 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_GSHAREDVT_ARG] = 16;
1763 /* Unwind info for specifc trampolines */
1764 sprintf (symbol, "%sspecific_trampolines_page_gen_p", acfg->user_symbol_prefix);
1765 /* We unwind to the original caller, from the stack, since lr is clobbered */
1766 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 14 * sizeof (mgreg_t));
1767 mono_add_unwind_op_offset (unwind_ops, 0, 0, ARMREG_LR, -4);
1768 save_unwind_info (acfg, symbol, unwind_ops);
1769 mono_free_unwind_info (unwind_ops);
1771 sprintf (symbol, "%sspecific_trampolines_page_sp_p", acfg->user_symbol_prefix);
1772 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1773 mono_add_unwind_op_def_cfa_offset (unwind_ops, 4, 0, 14 * sizeof (mgreg_t));
1774 save_unwind_info (acfg, symbol, unwind_ops);
1775 mono_free_unwind_info (unwind_ops);
1777 /* Unwind info for rgctx trampolines */
1778 sprintf (symbol, "%srgctx_trampolines_page_gen_p", acfg->user_symbol_prefix);
1779 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1780 save_unwind_info (acfg, symbol, unwind_ops);
1782 sprintf (symbol, "%srgctx_trampolines_page_sp_p", acfg->user_symbol_prefix);
1783 save_unwind_info (acfg, symbol, unwind_ops);
1784 mono_free_unwind_info (unwind_ops);
1786 /* Unwind info for gsharedvt trampolines */
1787 sprintf (symbol, "%sgsharedvt_trampolines_page_gen_p", acfg->user_symbol_prefix);
1788 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1789 mono_add_unwind_op_def_cfa_offset (unwind_ops, 4, 0, 4 * sizeof (mgreg_t));
1790 save_unwind_info (acfg, symbol, unwind_ops);
1791 mono_free_unwind_info (unwind_ops);
1793 sprintf (symbol, "%sgsharedvt_trampolines_page_sp_p", acfg->user_symbol_prefix);
1794 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1795 save_unwind_info (acfg, symbol, unwind_ops);
1796 mono_free_unwind_info (unwind_ops);
1798 /* Unwind info for imt trampolines */
1799 sprintf (symbol, "%simt_trampolines_page_gen_p", acfg->user_symbol_prefix);
1800 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1801 mono_add_unwind_op_def_cfa_offset (unwind_ops, 4, 0, 3 * sizeof (mgreg_t));
1802 save_unwind_info (acfg, symbol, unwind_ops);
1803 mono_free_unwind_info (unwind_ops);
1805 sprintf (symbol, "%simt_trampolines_page_sp_p", acfg->user_symbol_prefix);
1806 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1807 save_unwind_info (acfg, symbol, unwind_ops);
1808 mono_free_unwind_info (unwind_ops);
1809 #elif defined(TARGET_ARM64)
1810 arm64_emit_specific_trampoline_pages (acfg);
1815 * arch_emit_specific_trampoline:
1817 * Emit code for a specific trampoline. OFFSET is the offset of the first of
1818 * two GOT slots which contain the generic trampoline address and the trampoline
1819 * argument. TRAMP_SIZE is set to the size of the emitted trampoline.
1822 arch_emit_specific_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1825 * The trampolines created here are variations of the specific
1826 * trampolines created in mono_arch_create_specific_trampoline (). The
1828 * - the generic trampoline address is taken from a got slot.
1829 * - the offset of the got slot where the trampoline argument is stored
1830 * is embedded in the instruction stream, and the generic trampoline
1831 * can load the argument by loading the offset, adding it to the
1832 * address of the trampoline to get the address of the got slot, and
1833 * loading the argument from there.
1834 * - all the trampolines should be of the same length.
1836 #if defined(TARGET_AMD64)
1837 /* This should be exactly 8 bytes long */
1839 /* call *<offset>(%rip) */
1841 emit_unset_mode (acfg);
1842 fprintf (acfg->fp, "call *%s+%d(%%rip)\n", acfg->got_symbol, (int)(offset * sizeof (gpointer)));
1843 emit_zero_bytes (acfg, 2);
1845 emit_byte (acfg, '\x41');
1846 emit_byte (acfg, '\xff');
1847 emit_byte (acfg, '\x15');
1848 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4);
1849 emit_zero_bytes (acfg, 1);
1851 #elif defined(TARGET_ARM)
1855 /* This should be exactly 20 bytes long */
1858 ARM_PUSH (code, 0x5fff);
1859 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_PC, 4);
1860 /* Load the value from the GOT */
1861 ARM_LDR_REG_REG (code, ARMREG_R1, ARMREG_PC, ARMREG_R1);
1863 ARM_BLX_REG (code, ARMREG_R1);
1865 g_assert (code - buf == 16);
1868 emit_bytes (acfg, buf, code - buf);
1870 * Only one offset is needed, since the second one would be equal to the
1873 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4 + 4);
1874 //emit_symbol_diff (acfg, acfg->got_symbol, ".", ((offset + 1) * sizeof (gpointer)) - 4 + 8);
1875 #elif defined(TARGET_ARM64)
1876 arm64_emit_specific_trampoline (acfg, offset, tramp_size);
1877 #elif defined(TARGET_POWERPC)
1885 * PPC has no ip relative addressing, so we need to compute the address
1886 * of the mscorlib got. That is slow and complex, so instead, we store it
1887 * in the second got slot of every aot image. The caller already computed
1888 * the address of its got and placed it into r30.
1890 emit_unset_mode (acfg);
1891 /* Load mscorlib got address */
1892 fprintf (acfg->fp, "%s 0, %d(30)\n", PPC_LD_OP, (int)sizeof (gpointer));
1893 /* Load generic trampoline address */
1894 fprintf (acfg->fp, "lis 11, %d@h\n", (int)(offset * sizeof (gpointer)));
1895 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)(offset * sizeof (gpointer)));
1896 fprintf (acfg->fp, "%s 11, 11, 0\n", PPC_LDX_OP);
1897 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1898 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
1900 fprintf (acfg->fp, "mtctr 11\n");
1901 /* Load trampoline argument */
1902 /* On ppc, we pass it normally to the generic trampoline */
1903 fprintf (acfg->fp, "lis 11, %d@h\n", (int)((offset + 1) * sizeof (gpointer)));
1904 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)((offset + 1) * sizeof (gpointer)));
1905 fprintf (acfg->fp, "%s 0, 11, 0\n", PPC_LDX_OP);
1906 /* Branch to generic trampoline */
1907 fprintf (acfg->fp, "bctr\n");
1909 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1910 *tramp_size = 10 * 4;
1912 *tramp_size = 9 * 4;
1914 #elif defined(TARGET_X86)
1918 /* Similar to the PPC code above */
1920 /* FIXME: Could this clobber the register needed by get_vcall_slot () ? */
1923 /* Load mscorlib got address */
1924 x86_mov_reg_membase (code, X86_ECX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
1925 /* Push trampoline argument */
1926 x86_push_membase (code, X86_ECX, (offset + 1) * sizeof (gpointer));
1927 /* Load generic trampoline address */
1928 x86_mov_reg_membase (code, X86_ECX, X86_ECX, offset * sizeof (gpointer), 4);
1929 /* Branch to generic trampoline */
1930 x86_jump_reg (code, X86_ECX);
1932 emit_bytes (acfg, buf, code - buf);
1935 g_assert (code - buf == *tramp_size);
1937 g_assert_not_reached ();
1942 * arch_emit_unbox_trampoline:
1944 * Emit code for the unbox trampoline for METHOD used in the full-aot case.
1945 * CALL_TARGET is the symbol pointing to the native code of METHOD.
1948 arch_emit_unbox_trampoline (MonoAotCompile *acfg, MonoCompile *cfg, MonoMethod *method, const char *call_target)
1950 #if defined(TARGET_AMD64)
1955 this_reg = mono_arch_get_this_arg_reg (NULL);
1957 amd64_alu_reg_imm (code, X86_ADD, this_reg, sizeof (MonoObject));
1959 emit_bytes (acfg, buf, code - buf);
1962 emit_unset_mode (acfg);
1963 fprintf (acfg->fp, "jmp %s\n", call_target);
1965 emit_byte (acfg, '\xe9');
1966 emit_symbol_diff (acfg, call_target, ".", -4);
1968 #elif defined(TARGET_X86)
1975 x86_alu_membase_imm (code, X86_ADD, X86_ESP, this_pos, sizeof (MonoObject));
1977 emit_bytes (acfg, buf, code - buf);
1980 emit_byte (acfg, '\xe9');
1981 emit_symbol_diff (acfg, call_target, ".", -4);
1982 #elif defined(TARGET_ARM)
1986 if (acfg->thumb_mixed && cfg->compile_llvm) {
1987 fprintf (acfg->fp, "add r0, r0, #%d\n", (int)sizeof (MonoObject));
1988 fprintf (acfg->fp, "b %s\n", call_target);
1989 fprintf (acfg->fp, ".arm\n");
1990 fprintf (acfg->fp, ".align 2\n");
1996 ARM_ADD_REG_IMM8 (code, ARMREG_R0, ARMREG_R0, sizeof (MonoObject));
1998 emit_bytes (acfg, buf, code - buf);
1999 /* jump to method */
2000 if (acfg->thumb_mixed && cfg->compile_llvm)
2001 fprintf (acfg->fp, "\n\tbx %s\n", call_target);
2003 fprintf (acfg->fp, "\n\tb %s\n", call_target);
2004 #elif defined(TARGET_ARM64)
2005 arm64_emit_unbox_trampoline (acfg, cfg, method, call_target);
2006 #elif defined(TARGET_POWERPC)
2009 fprintf (acfg->fp, "\n\taddi %d, %d, %d\n", this_pos, this_pos, (int)sizeof (MonoObject));
2010 fprintf (acfg->fp, "\n\tb %s\n", call_target);
2012 g_assert_not_reached ();
2017 * arch_emit_static_rgctx_trampoline:
2019 * Emit code for a static rgctx trampoline. OFFSET is the offset of the first of
2020 * two GOT slots which contain the rgctx argument, and the method to jump to.
2021 * TRAMP_SIZE is set to the size of the emitted trampoline.
2022 * These kinds of trampolines cannot be enumerated statically, since there could
2023 * be one trampoline per method instantiation, so we emit the same code for all
2024 * trampolines, and parameterize them using two GOT slots.
2027 arch_emit_static_rgctx_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
2029 #if defined(TARGET_AMD64)
2030 /* This should be exactly 13 bytes long */
2034 emit_unset_mode (acfg);
2035 fprintf (acfg->fp, "mov %s+%d(%%rip), %%r10\n", acfg->got_symbol, (int)(offset * sizeof (gpointer)));
2036 fprintf (acfg->fp, "jmp *%s+%d(%%rip)\n", acfg->got_symbol, (int)((offset + 1) * sizeof (gpointer)));
2038 /* mov <OFFSET>(%rip), %r10 */
2039 emit_byte (acfg, '\x4d');
2040 emit_byte (acfg, '\x8b');
2041 emit_byte (acfg, '\x15');
2042 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4);
2044 /* jmp *<offset>(%rip) */
2045 emit_byte (acfg, '\xff');
2046 emit_byte (acfg, '\x25');
2047 emit_symbol_diff (acfg, acfg->got_symbol, ".", ((offset + 1) * sizeof (gpointer)) - 4);
2049 #elif defined(TARGET_ARM)
2053 /* This should be exactly 24 bytes long */
2056 /* Load rgctx value */
2057 ARM_LDR_IMM (code, ARMREG_IP, ARMREG_PC, 8);
2058 ARM_LDR_REG_REG (code, MONO_ARCH_RGCTX_REG, ARMREG_PC, ARMREG_IP);
2059 /* Load branch addr + branch */
2060 ARM_LDR_IMM (code, ARMREG_IP, ARMREG_PC, 4);
2061 ARM_LDR_REG_REG (code, ARMREG_PC, ARMREG_PC, ARMREG_IP);
2063 g_assert (code - buf == 16);
2066 emit_bytes (acfg, buf, code - buf);
2067 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4 + 8);
2068 emit_symbol_diff (acfg, acfg->got_symbol, ".", ((offset + 1) * sizeof (gpointer)) - 4 + 4);
2069 #elif defined(TARGET_ARM64)
2070 arm64_emit_static_rgctx_trampoline (acfg, offset, tramp_size);
2071 #elif defined(TARGET_POWERPC)
2079 * PPC has no ip relative addressing, so we need to compute the address
2080 * of the mscorlib got. That is slow and complex, so instead, we store it
2081 * in the second got slot of every aot image. The caller already computed
2082 * the address of its got and placed it into r30.
2084 emit_unset_mode (acfg);
2085 /* Load mscorlib got address */
2086 fprintf (acfg->fp, "%s 0, %d(30)\n", PPC_LD_OP, (int)sizeof (gpointer));
2088 fprintf (acfg->fp, "lis 11, %d@h\n", (int)(offset * sizeof (gpointer)));
2089 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)(offset * sizeof (gpointer)));
2090 fprintf (acfg->fp, "%s %d, 11, 0\n", PPC_LDX_OP, MONO_ARCH_RGCTX_REG);
2091 /* Load target address */
2092 fprintf (acfg->fp, "lis 11, %d@h\n", (int)((offset + 1) * sizeof (gpointer)));
2093 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)((offset + 1) * sizeof (gpointer)));
2094 fprintf (acfg->fp, "%s 11, 11, 0\n", PPC_LDX_OP);
2095 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
2096 fprintf (acfg->fp, "%s 2, %d(11)\n", PPC_LD_OP, (int)sizeof (gpointer));
2097 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
2099 fprintf (acfg->fp, "mtctr 11\n");
2100 /* Branch to the target address */
2101 fprintf (acfg->fp, "bctr\n");
2103 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
2104 *tramp_size = 11 * 4;
2106 *tramp_size = 9 * 4;
2109 #elif defined(TARGET_X86)
2113 /* Similar to the PPC code above */
2115 g_assert (MONO_ARCH_RGCTX_REG != X86_ECX);
2118 /* Load mscorlib got address */
2119 x86_mov_reg_membase (code, X86_ECX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
2121 x86_mov_reg_membase (code, MONO_ARCH_RGCTX_REG, X86_ECX, offset * sizeof (gpointer), 4);
2122 /* Branch to the target address */
2123 x86_jump_membase (code, X86_ECX, (offset + 1) * sizeof (gpointer));
2125 emit_bytes (acfg, buf, code - buf);
2128 g_assert (code - buf == *tramp_size);
2130 g_assert_not_reached ();
2135 * arch_emit_imt_thunk:
2137 * Emit an IMT thunk usable in full-aot mode. The thunk uses 1 got slot which
2138 * points to an array of pointer pairs. The pairs of the form [key, ptr], where
2139 * key is the IMT key, and ptr holds the address of a memory location holding
2140 * the address to branch to if the IMT arg matches the key. The array is
2141 * terminated by a pair whose key is NULL, and whose ptr is the address of the
2143 * TRAMP_SIZE is set to the size of the emitted trampoline.
2146 arch_emit_imt_thunk (MonoAotCompile *acfg, int offset, int *tramp_size)
2148 #if defined(TARGET_AMD64)
2150 guint8 *labels [16];
2152 guint8 *mov_buf_ptr = mov_buf;
2154 const int kSizeOfMove = 7;
2156 code = buf = (guint8 *)g_malloc (256);
2158 /* FIXME: Optimize this, i.e. use binary search etc. */
2159 /* Maybe move the body into a separate function (slower, but much smaller) */
2161 /* MONO_ARCH_IMT_SCRATCH_REG is a free register */
2164 emit_unset_mode (acfg);
2165 fprintf (acfg->fp, "mov %s+%d(%%rip), %s\n", acfg->got_symbol, (int)(offset * sizeof (gpointer)), mono_arch_regname (MONO_ARCH_IMT_SCRATCH_REG));
2169 amd64_alu_membase_imm (code, X86_CMP, MONO_ARCH_IMT_SCRATCH_REG, 0, 0);
2171 amd64_branch8 (code, X86_CC_Z, 0, FALSE);
2174 amd64_alu_membase_reg_size (code, X86_CMP, MONO_ARCH_IMT_SCRATCH_REG, 0, MONO_ARCH_IMT_REG, sizeof (gpointer));
2176 amd64_branch8 (code, X86_CC_Z, 0, FALSE);
2179 amd64_alu_reg_imm (code, X86_ADD, MONO_ARCH_IMT_SCRATCH_REG, 2 * sizeof (gpointer));
2180 amd64_jump_code (code, labels [0]);
2183 mono_amd64_patch (labels [2], code);
2184 amd64_mov_reg_membase (code, MONO_ARCH_IMT_SCRATCH_REG, MONO_ARCH_IMT_SCRATCH_REG, sizeof (gpointer), sizeof (gpointer));
2185 amd64_jump_membase (code, MONO_ARCH_IMT_SCRATCH_REG, 0);
2188 mono_amd64_patch (labels [1], code);
2189 /* Load fail tramp */
2190 amd64_alu_reg_imm (code, X86_ADD, MONO_ARCH_IMT_SCRATCH_REG, sizeof (gpointer));
2191 /* Check if there is a fail tramp */
2192 amd64_alu_membase_imm (code, X86_CMP, MONO_ARCH_IMT_SCRATCH_REG, 0, 0);
2194 amd64_branch8 (code, X86_CC_Z, 0, FALSE);
2195 /* Jump to fail tramp */
2196 amd64_jump_membase (code, MONO_ARCH_IMT_SCRATCH_REG, 0);
2199 mono_amd64_patch (labels [3], code);
2200 x86_breakpoint (code);
2203 /* mov <OFFSET>(%rip), MONO_ARCH_IMT_SCRATCH_REG */
2204 amd64_emit_rex (mov_buf_ptr, sizeof(gpointer), MONO_ARCH_IMT_SCRATCH_REG, 0, AMD64_RIP);
2205 *(mov_buf_ptr)++ = (unsigned char)0x8b; /* mov opcode */
2206 x86_address_byte (mov_buf_ptr, 0, MONO_ARCH_IMT_SCRATCH_REG & 0x7, 5);
2207 emit_bytes (acfg, mov_buf, mov_buf_ptr - mov_buf);
2208 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4);
2210 emit_bytes (acfg, buf, code - buf);
2212 *tramp_size = code - buf + kSizeOfMove;
2216 #elif defined(TARGET_X86)
2218 guint8 *labels [16];
2220 code = buf = g_malloc (256);
2222 /* Allocate a temporary stack slot */
2223 x86_push_reg (code, X86_EAX);
2225 x86_push_reg (code, X86_EAX);
2227 /* Load mscorlib got address */
2228 x86_mov_reg_membase (code, X86_EAX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
2230 x86_mov_reg_membase (code, X86_EAX, X86_EAX, offset * sizeof (gpointer), 4);
2233 x86_alu_membase_imm (code, X86_CMP, X86_EAX, 0, 0);
2235 x86_branch8 (code, X86_CC_Z, FALSE, 0);
2238 x86_alu_membase_reg (code, X86_CMP, X86_EAX, 0, MONO_ARCH_IMT_REG);
2240 x86_branch8 (code, X86_CC_Z, FALSE, 0);
2243 x86_alu_reg_imm (code, X86_ADD, X86_EAX, 2 * sizeof (gpointer));
2244 x86_jump_code (code, labels [0]);
2247 mono_x86_patch (labels [2], code);
2248 x86_mov_reg_membase (code, X86_EAX, X86_EAX, sizeof (gpointer), 4);
2249 x86_mov_reg_membase (code, X86_EAX, X86_EAX, 0, 4);
2250 /* Save the target address to the temporary stack location */
2251 x86_mov_membase_reg (code, X86_ESP, 4, X86_EAX, 4);
2253 x86_pop_reg (code, X86_EAX);
2254 /* Jump to the target address */
2258 mono_x86_patch (labels [1], code);
2259 /* Load fail tramp */
2260 x86_mov_reg_membase (code, X86_EAX, X86_EAX, sizeof (gpointer), 4);
2261 x86_alu_membase_imm (code, X86_CMP, X86_EAX, 0, 0);
2263 x86_branch8 (code, X86_CC_Z, FALSE, 0);
2264 /* Jump to fail tramp */
2265 x86_mov_membase_reg (code, X86_ESP, 4, X86_EAX, 4);
2266 x86_pop_reg (code, X86_EAX);
2270 mono_x86_patch (labels [3], code);
2271 x86_breakpoint (code);
2273 emit_bytes (acfg, buf, code - buf);
2275 *tramp_size = code - buf;
2279 #elif defined(TARGET_ARM)
2281 guint8 *code, *code2, *labels [16];
2285 /* The IMT method is in v5 */
2287 /* Need at least two free registers, plus a slot for storing the pc */
2288 ARM_PUSH (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_R2));
2290 /* Load the parameter from the GOT */
2291 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_PC, 0);
2292 ARM_LDR_REG_REG (code, ARMREG_R0, ARMREG_PC, ARMREG_R0);
2295 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_R0, 0);
2296 ARM_CMP_REG_REG (code, ARMREG_R1, ARMREG_V5);
2298 ARM_B_COND (code, ARMCOND_EQ, 0);
2300 /* End-of-loop check */
2301 ARM_CMP_REG_IMM (code, ARMREG_R1, 0, 0);
2303 ARM_B_COND (code, ARMCOND_EQ, 0);
2306 ARM_ADD_REG_IMM8 (code, ARMREG_R0, ARMREG_R0, sizeof (gpointer) * 2);
2309 arm_patch (labels [4], labels [1]);
2312 arm_patch (labels [2], code);
2313 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
2314 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 0);
2315 /* Save it to the third stack slot */
2316 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
2317 /* Restore the registers and branch */
2318 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
2321 arm_patch (labels [3], code);
2322 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
2323 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
2324 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
2328 ARM_LDR_IMM (code2, ARMREG_R0, ARMREG_PC, (code - (labels [0] + 8)));
2330 emit_bytes (acfg, buf, code - buf);
2331 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) + (code - (labels [0] + 8)) - 4);
2333 *tramp_size = code - buf + 4;
2334 #elif defined(TARGET_ARM64)
2335 arm64_emit_imt_thunk (acfg, offset, tramp_size);
2336 #elif defined(TARGET_POWERPC)
2338 guint8 *code, *labels [16];
2342 /* Load the mscorlib got address */
2343 ppc_ldptr (code, ppc_r12, sizeof (gpointer), ppc_r30);
2344 /* Load the parameter from the GOT */
2345 ppc_load (code, ppc_r0, offset * sizeof (gpointer));
2346 ppc_ldptr_indexed (code, ppc_r12, ppc_r12, ppc_r0);
2348 /* Load and check key */
2350 ppc_ldptr (code, ppc_r0, 0, ppc_r12);
2351 ppc_cmp (code, 0, sizeof (gpointer) == 8 ? 1 : 0, ppc_r0, MONO_ARCH_IMT_REG);
2353 ppc_bc (code, PPC_BR_TRUE, PPC_BR_EQ, 0);
2355 /* End-of-loop check */
2356 ppc_cmpi (code, 0, sizeof (gpointer) == 8 ? 1 : 0, ppc_r0, 0);
2358 ppc_bc (code, PPC_BR_TRUE, PPC_BR_EQ, 0);
2361 ppc_addi (code, ppc_r12, ppc_r12, 2 * sizeof (gpointer));
2364 mono_ppc_patch (labels [4], labels [1]);
2367 mono_ppc_patch (labels [2], code);
2368 ppc_ldptr (code, ppc_r12, sizeof (gpointer), ppc_r12);
2369 /* r12 now contains the value of the vtable slot */
2370 /* this is not a function descriptor on ppc64 */
2371 ppc_ldptr (code, ppc_r12, 0, ppc_r12);
2372 ppc_mtctr (code, ppc_r12);
2373 ppc_bcctr (code, PPC_BR_ALWAYS, 0);
2376 mono_ppc_patch (labels [3], code);
2380 *tramp_size = code - buf;
2382 emit_bytes (acfg, buf, code - buf);
2384 g_assert_not_reached ();
2389 #if defined (TARGET_AMD64)
2392 amd64_emit_load_got_slot (MonoAotCompile *acfg, int dreg, int got_slot)
2395 g_assert (acfg->fp);
2396 emit_unset_mode (acfg);
2398 fprintf (acfg->fp, "mov %s+%d(%%rip), %s\n", acfg->got_symbol, (unsigned int) ((got_slot * sizeof (gpointer))), mono_arch_regname (dreg));
2405 * arch_emit_gsharedvt_arg_trampoline:
2407 * Emit code for a gsharedvt arg trampoline. OFFSET is the offset of the first of
2408 * two GOT slots which contain the argument, and the code to jump to.
2409 * TRAMP_SIZE is set to the size of the emitted trampoline.
2410 * These kinds of trampolines cannot be enumerated statically, since there could
2411 * be one trampoline per method instantiation, so we emit the same code for all
2412 * trampolines, and parameterize them using two GOT slots.
2415 arch_emit_gsharedvt_arg_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
2417 #if defined(TARGET_X86)
2421 /* Similar to the PPC code above */
2423 g_assert (MONO_ARCH_RGCTX_REG != X86_ECX);
2426 /* Load mscorlib got address */
2427 x86_mov_reg_membase (code, X86_ECX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
2429 x86_mov_reg_membase (code, X86_EAX, X86_ECX, offset * sizeof (gpointer), 4);
2430 /* Branch to the target address */
2431 x86_jump_membase (code, X86_ECX, (offset + 1) * sizeof (gpointer));
2433 emit_bytes (acfg, buf, code - buf);
2436 g_assert (code - buf == *tramp_size);
2437 #elif defined(TARGET_ARM)
2441 /* The same as mono_arch_get_gsharedvt_arg_trampoline (), but for AOT */
2442 /* Similar to arch_emit_specific_trampoline () */
2445 ARM_PUSH (code, (1 << ARMREG_R0) | (1 << ARMREG_R1) | (1 << ARMREG_R2) | (1 << ARMREG_R3));
2446 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_PC, 8);
2447 /* Load the arg value from the GOT */
2448 ARM_LDR_REG_REG (code, ARMREG_R0, ARMREG_PC, ARMREG_R1);
2449 /* Load the addr from the GOT */
2450 ARM_LDR_REG_REG (code, ARMREG_R1, ARMREG_PC, ARMREG_R1);
2452 ARM_BX (code, ARMREG_R1);
2454 g_assert (code - buf == 20);
2457 emit_bytes (acfg, buf, code - buf);
2458 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) + 4);
2459 #elif defined(TARGET_ARM64)
2460 arm64_emit_gsharedvt_arg_trampoline (acfg, offset, tramp_size);
2461 #elif defined (TARGET_AMD64)
2463 amd64_emit_load_got_slot (acfg, AMD64_RAX, offset);
2464 amd64_emit_load_got_slot (acfg, MONO_ARCH_IMT_SCRATCH_REG, offset + 1);
2465 g_assert (AMD64_R11 == MONO_ARCH_IMT_SCRATCH_REG);
2466 fprintf (acfg->fp, "jmp *%%r11\n");
2470 g_assert_not_reached ();
2474 /* END OF ARCH SPECIFIC CODE */
2477 mono_get_field_token (MonoClassField *field)
2479 MonoClass *klass = field->parent;
2482 for (i = 0; i < klass->field.count; ++i) {
2483 if (field == &klass->fields [i])
2484 return MONO_TOKEN_FIELD_DEF | (klass->field.first + 1 + i);
2487 g_assert_not_reached ();
2492 encode_value (gint32 value, guint8 *buf, guint8 **endbuf)
2496 //printf ("ENCODE: %d 0x%x.\n", value, value);
2499 * Same encoding as the one used in the metadata, extended to handle values
2500 * greater than 0x1fffffff.
2502 if ((value >= 0) && (value <= 127))
2504 else if ((value >= 0) && (value <= 16383)) {
2505 p [0] = 0x80 | (value >> 8);
2506 p [1] = value & 0xff;
2508 } else if ((value >= 0) && (value <= 0x1fffffff)) {
2509 p [0] = (value >> 24) | 0xc0;
2510 p [1] = (value >> 16) & 0xff;
2511 p [2] = (value >> 8) & 0xff;
2512 p [3] = value & 0xff;
2517 p [1] = (value >> 24) & 0xff;
2518 p [2] = (value >> 16) & 0xff;
2519 p [3] = (value >> 8) & 0xff;
2520 p [4] = value & 0xff;
2528 stream_init (MonoDynamicStream *sh)
2531 sh->alloc_size = 4096;
2532 sh->data = (char *)g_malloc (4096);
2534 /* So offsets are > 0 */
2540 make_room_in_stream (MonoDynamicStream *stream, int size)
2542 if (size <= stream->alloc_size)
2545 while (stream->alloc_size <= size) {
2546 if (stream->alloc_size < 4096)
2547 stream->alloc_size = 4096;
2549 stream->alloc_size *= 2;
2552 stream->data = (char *)g_realloc (stream->data, stream->alloc_size);
2556 add_stream_data (MonoDynamicStream *stream, const char *data, guint32 len)
2560 make_room_in_stream (stream, stream->index + len);
2561 memcpy (stream->data + stream->index, data, len);
2562 idx = stream->index;
2563 stream->index += len;
2570 * Add data to the binary blob inside the aot image. Returns the offset inside the
2571 * blob where the data was stored.
2574 add_to_blob (MonoAotCompile *acfg, const guint8 *data, guint32 data_len)
2576 g_assert (!acfg->blob_closed);
2578 if (acfg->blob.alloc_size == 0)
2579 stream_init (&acfg->blob);
2581 return add_stream_data (&acfg->blob, (char*)data, data_len);
2585 add_to_blob_aligned (MonoAotCompile *acfg, const guint8 *data, guint32 data_len, guint32 align)
2590 if (acfg->blob.alloc_size == 0)
2591 stream_init (&acfg->blob);
2593 count = acfg->blob.index % align;
2595 /* we assume the stream data will be aligned */
2597 add_stream_data (&acfg->blob, buf, 4 - count);
2599 return add_stream_data (&acfg->blob, (char*)data, data_len);
2602 /* Emit a table of data into the aot image */
2604 emit_aot_data (MonoAotCompile *acfg, MonoAotFileTable table, const char *symbol, guint8 *data, int size)
2606 if (acfg->data_outfile) {
2607 acfg->table_offsets [(int)table] = acfg->datafile_offset;
2608 fwrite (data,1, size, acfg->data_outfile);
2609 acfg->datafile_offset += size;
2610 // align the data to 8 bytes. Put zeros in the file (so that every build results in consistent output).
2611 int align = 8 - size % 8;
2612 acfg->datafile_offset += align;
2613 guint8 align_buf [16];
2614 memset (&align_buf, 0, sizeof (align_buf));
2615 fwrite (align_buf, align, 1, acfg->data_outfile);
2616 } else if (acfg->llvm) {
2617 mono_llvm_emit_aot_data (symbol, data, size);
2619 emit_section_change (acfg, RODATA_SECT, 0);
2620 emit_alignment (acfg, 8);
2621 emit_label (acfg, symbol);
2622 emit_bytes (acfg, data, size);
2627 * emit_offset_table:
2629 * Emit a table of increasing offsets in a compact form using differential encoding.
2630 * There is an index entry for each GROUP_SIZE number of entries. The greater the
2631 * group size, the more compact the table becomes, but the slower it becomes to compute
2632 * a given entry. Returns the size of the table.
2635 emit_offset_table (MonoAotCompile *acfg, const char *symbol, MonoAotFileTable table, int noffsets, int group_size, gint32 *offsets)
2637 gint32 current_offset;
2638 int i, buf_size, ngroups, index_entry_size;
2640 guint8 *data_p, *data_buf;
2641 guint32 *index_offsets;
2643 ngroups = (noffsets + (group_size - 1)) / group_size;
2645 index_offsets = g_new0 (guint32, ngroups);
2647 buf_size = noffsets * 4;
2648 p = buf = (guint8 *)g_malloc0 (buf_size);
2651 for (i = 0; i < noffsets; ++i) {
2652 //printf ("D: %d -> %d\n", i, offsets [i]);
2653 if ((i % group_size) == 0) {
2654 index_offsets [i / group_size] = p - buf;
2655 /* Emit the full value for these entries */
2656 encode_value (offsets [i], p, &p);
2658 /* The offsets are allowed to be non-increasing */
2659 //g_assert (offsets [i] >= current_offset);
2660 encode_value (offsets [i] - current_offset, p, &p);
2662 current_offset = offsets [i];
2667 if (ngroups && index_offsets [ngroups - 1] < 65000)
2668 index_entry_size = 2;
2670 index_entry_size = 4;
2672 buf_size = (data_p - data_buf) + (ngroups * 4) + 16;
2673 p = buf = (guint8 *)g_malloc0 (buf_size);
2675 /* Emit the header */
2676 encode_int (noffsets, p, &p);
2677 encode_int (group_size, p, &p);
2678 encode_int (ngroups, p, &p);
2679 encode_int (index_entry_size, p, &p);
2681 /* Emit the index */
2682 for (i = 0; i < ngroups; ++i) {
2683 if (index_entry_size == 2)
2684 encode_int16 (index_offsets [i], p, &p);
2686 encode_int (index_offsets [i], p, &p);
2689 memcpy (p, data_buf, data_p - data_buf);
2690 p += data_p - data_buf;
2692 g_assert (p - buf <= buf_size);
2694 emit_aot_data (acfg, table, symbol, buf, p - buf);
2699 return (int)(p - buf);
2703 get_image_index (MonoAotCompile *cfg, MonoImage *image)
2707 index = GPOINTER_TO_UINT (g_hash_table_lookup (cfg->image_hash, image));
2711 index = g_hash_table_size (cfg->image_hash);
2712 g_hash_table_insert (cfg->image_hash, image, GUINT_TO_POINTER (index + 1));
2713 g_ptr_array_add (cfg->image_table, image);
2719 find_typespec_for_class (MonoAotCompile *acfg, MonoClass *klass)
2722 int len = acfg->image->tables [MONO_TABLE_TYPESPEC].rows;
2724 /* FIXME: Search referenced images as well */
2725 if (!acfg->typespec_classes) {
2726 acfg->typespec_classes = g_hash_table_new (NULL, NULL);
2727 for (i = 0; i < len; i++) {
2729 int typespec = MONO_TOKEN_TYPE_SPEC | (i + 1);
2730 MonoClass *klass_key = mono_class_get_and_inflate_typespec_checked (acfg->image, typespec, NULL, &error);
2731 if (!is_ok (&error)) {
2732 mono_error_cleanup (&error);
2735 g_hash_table_insert (acfg->typespec_classes, klass_key, GINT_TO_POINTER (typespec));
2738 return GPOINTER_TO_INT (g_hash_table_lookup (acfg->typespec_classes, klass));
2742 encode_method_ref (MonoAotCompile *acfg, MonoMethod *method, guint8 *buf, guint8 **endbuf);
2745 encode_klass_ref (MonoAotCompile *acfg, MonoClass *klass, guint8 *buf, guint8 **endbuf);
2748 encode_ginst (MonoAotCompile *acfg, MonoGenericInst *inst, guint8 *buf, guint8 **endbuf);
2751 encode_type (MonoAotCompile *acfg, MonoType *t, guint8 *buf, guint8 **endbuf);
2754 encode_klass_ref_inner (MonoAotCompile *acfg, MonoClass *klass, guint8 *buf, guint8 **endbuf)
2759 * The encoding begins with one of the MONO_AOT_TYPEREF values, followed by additional
2763 if (klass->generic_class) {
2765 g_assert (klass->type_token);
2767 /* Find a typespec for a class if possible */
2768 token = find_typespec_for_class (acfg, klass);
2770 encode_value (MONO_AOT_TYPEREF_TYPESPEC_TOKEN, p, &p);
2771 encode_value (token, p, &p);
2773 MonoClass *gclass = klass->generic_class->container_class;
2774 MonoGenericInst *inst = klass->generic_class->context.class_inst;
2775 static int count = 0;
2778 encode_value (MONO_AOT_TYPEREF_GINST, p, &p);
2779 encode_klass_ref (acfg, gclass, p, &p);
2780 encode_ginst (acfg, inst, p, &p);
2784 } else if (klass->type_token) {
2785 int iindex = get_image_index (acfg, klass->image);
2787 g_assert (mono_metadata_token_code (klass->type_token) == MONO_TOKEN_TYPE_DEF);
2789 encode_value (MONO_AOT_TYPEREF_TYPEDEF_INDEX, p, &p);
2790 encode_value (klass->type_token - MONO_TOKEN_TYPE_DEF, p, &p);
2792 encode_value (MONO_AOT_TYPEREF_TYPEDEF_INDEX_IMAGE, p, &p);
2793 encode_value (klass->type_token - MONO_TOKEN_TYPE_DEF, p, &p);
2794 encode_value (get_image_index (acfg, klass->image), p, &p);
2796 } else if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR)) {
2797 MonoGenericContainer *container = mono_type_get_generic_param_owner (&klass->byval_arg);
2798 MonoGenericParam *par = klass->byval_arg.data.generic_param;
2800 encode_value (MONO_AOT_TYPEREF_VAR, p, &p);
2802 encode_value (par->gshared_constraint ? 1 : 0, p, &p);
2803 if (par->gshared_constraint) {
2804 MonoGSharedGenericParam *gpar = (MonoGSharedGenericParam*)par;
2805 encode_type (acfg, par->gshared_constraint, p, &p);
2806 encode_klass_ref (acfg, mono_class_from_generic_parameter (gpar->parent, NULL, klass->byval_arg.type == MONO_TYPE_MVAR), p, &p);
2808 encode_value (klass->byval_arg.type, p, &p);
2809 encode_value (mono_type_get_generic_param_num (&klass->byval_arg), p, &p);
2811 encode_value (container->is_anonymous ? 0 : 1, p, &p);
2813 if (!container->is_anonymous) {
2814 encode_value (container->is_method, p, &p);
2815 if (container->is_method)
2816 encode_method_ref (acfg, container->owner.method, p, &p);
2818 encode_klass_ref (acfg, container->owner.klass, p, &p);
2821 } else if (klass->byval_arg.type == MONO_TYPE_PTR) {
2822 encode_value (MONO_AOT_TYPEREF_PTR, p, &p);
2823 encode_type (acfg, &klass->byval_arg, p, &p);
2826 g_assert (klass->rank > 0);
2827 encode_value (MONO_AOT_TYPEREF_ARRAY, p, &p);
2828 encode_value (klass->rank, p, &p);
2829 encode_klass_ref (acfg, klass->element_class, p, &p);
2837 * Encode a reference to KLASS. We use our home-grown encoding instead of the
2838 * standard metadata encoding.
2841 encode_klass_ref (MonoAotCompile *acfg, MonoClass *klass, guint8 *buf, guint8 **endbuf)
2843 gboolean shared = FALSE;
2846 * The encoding of generic instances is large so emit them only once.
2848 if (klass->generic_class) {
2850 g_assert (klass->type_token);
2852 /* Find a typespec for a class if possible */
2853 token = find_typespec_for_class (acfg, klass);
2856 } else if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR)) {
2861 guint offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->klass_blob_hash, klass));
2865 buf2 = (guint8 *)g_malloc (1024);
2868 encode_klass_ref_inner (acfg, klass, p, &p);
2869 g_assert (p - buf2 < 1024);
2871 offset = add_to_blob (acfg, buf2, p - buf2);
2874 g_hash_table_insert (acfg->klass_blob_hash, klass, GUINT_TO_POINTER (offset + 1));
2880 encode_value (MONO_AOT_TYPEREF_BLOB_INDEX, p, &p);
2881 encode_value (offset, p, &p);
2886 encode_klass_ref_inner (acfg, klass, buf, endbuf);
2890 encode_field_info (MonoAotCompile *cfg, MonoClassField *field, guint8 *buf, guint8 **endbuf)
2892 guint32 token = mono_get_field_token (field);
2895 encode_klass_ref (cfg, field->parent, p, &p);
2896 g_assert (mono_metadata_token_code (token) == MONO_TOKEN_FIELD_DEF);
2897 encode_value (token - MONO_TOKEN_FIELD_DEF, p, &p);
2902 encode_ginst (MonoAotCompile *acfg, MonoGenericInst *inst, guint8 *buf, guint8 **endbuf)
2907 encode_value (inst->type_argc, p, &p);
2908 for (i = 0; i < inst->type_argc; ++i)
2909 encode_klass_ref (acfg, mono_class_from_mono_type (inst->type_argv [i]), p, &p);
2914 encode_generic_context (MonoAotCompile *acfg, MonoGenericContext *context, guint8 *buf, guint8 **endbuf)
2917 MonoGenericInst *inst;
2919 inst = context->class_inst;
2921 g_assert (inst->type_argc);
2922 encode_ginst (acfg, inst, p, &p);
2924 encode_value (0, p, &p);
2926 inst = context->method_inst;
2928 g_assert (inst->type_argc);
2929 encode_ginst (acfg, inst, p, &p);
2931 encode_value (0, p, &p);
2937 encode_type (MonoAotCompile *acfg, MonoType *t, guint8 *buf, guint8 **endbuf)
2941 g_assert (t->num_mods == 0);
2942 /* t->attrs can be ignored */
2943 //g_assert (t->attrs == 0);
2946 *p = MONO_TYPE_PINNED;
2950 *p = MONO_TYPE_BYREF;
2958 case MONO_TYPE_VOID:
2959 case MONO_TYPE_BOOLEAN:
2960 case MONO_TYPE_CHAR:
2973 case MONO_TYPE_STRING:
2974 case MONO_TYPE_OBJECT:
2975 case MONO_TYPE_TYPEDBYREF:
2977 case MONO_TYPE_VALUETYPE:
2978 case MONO_TYPE_CLASS:
2979 encode_klass_ref (acfg, mono_class_from_mono_type (t), p, &p);
2981 case MONO_TYPE_SZARRAY:
2982 encode_klass_ref (acfg, t->data.klass, p, &p);
2985 encode_type (acfg, t->data.type, p, &p);
2987 case MONO_TYPE_GENERICINST: {
2988 MonoClass *gclass = t->data.generic_class->container_class;
2989 MonoGenericInst *inst = t->data.generic_class->context.class_inst;
2991 encode_klass_ref (acfg, gclass, p, &p);
2992 encode_ginst (acfg, inst, p, &p);
2995 case MONO_TYPE_ARRAY: {
2996 MonoArrayType *array = t->data.array;
2999 encode_klass_ref (acfg, array->eklass, p, &p);
3000 encode_value (array->rank, p, &p);
3001 encode_value (array->numsizes, p, &p);
3002 for (i = 0; i < array->numsizes; ++i)
3003 encode_value (array->sizes [i], p, &p);
3004 encode_value (array->numlobounds, p, &p);
3005 for (i = 0; i < array->numlobounds; ++i)
3006 encode_value (array->lobounds [i], p, &p);
3010 case MONO_TYPE_MVAR:
3011 encode_klass_ref (acfg, mono_class_from_mono_type (t), p, &p);
3014 g_assert_not_reached ();
3021 encode_signature (MonoAotCompile *acfg, MonoMethodSignature *sig, guint8 *buf, guint8 **endbuf)
3027 /* Similar to the metadata encoding */
3028 if (sig->generic_param_count)
3032 if (sig->explicit_this)
3034 flags |= (sig->call_convention & 0x0F);
3038 if (sig->generic_param_count)
3039 encode_value (sig->generic_param_count, p, &p);
3040 encode_value (sig->param_count, p, &p);
3042 encode_type (acfg, sig->ret, p, &p);
3043 for (i = 0; i < sig->param_count; ++i) {
3044 if (sig->sentinelpos == i) {
3045 *p = MONO_TYPE_SENTINEL;
3048 encode_type (acfg, sig->params [i], p, &p);
3054 #define MAX_IMAGE_INDEX 250
3057 encode_method_ref (MonoAotCompile *acfg, MonoMethod *method, guint8 *buf, guint8 **endbuf)
3059 guint32 image_index = get_image_index (acfg, method->klass->image);
3060 guint32 token = method->token;
3061 MonoJumpInfoToken *ji;
3065 * The encoding for most methods is as follows:
3066 * - image index encoded as a leb128
3067 * - token index encoded as a leb128
3068 * Values of image index >= MONO_AOT_METHODREF_MIN are used to mark additional
3069 * types of method encodings.
3072 /* Mark methods which can't use aot trampolines because they need the further
3073 * processing in mono_magic_trampoline () which requires a MonoMethod*.
3075 if ((method->is_generic && (method->flags & METHOD_ATTRIBUTE_VIRTUAL)) ||
3076 (method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED))
3077 encode_value ((MONO_AOT_METHODREF_NO_AOT_TRAMPOLINE << 24), p, &p);
3079 if (method->wrapper_type) {
3080 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
3082 encode_value ((MONO_AOT_METHODREF_WRAPPER << 24), p, &p);
3084 encode_value (method->wrapper_type, p, &p);
3086 switch (method->wrapper_type) {
3087 case MONO_WRAPPER_REMOTING_INVOKE:
3088 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
3089 case MONO_WRAPPER_XDOMAIN_INVOKE: {
3092 m = mono_marshal_method_from_wrapper (method);
3094 encode_method_ref (acfg, m, p, &p);
3097 case MONO_WRAPPER_PROXY_ISINST:
3098 case MONO_WRAPPER_LDFLD:
3099 case MONO_WRAPPER_LDFLDA:
3100 case MONO_WRAPPER_STFLD:
3101 case MONO_WRAPPER_ISINST: {
3103 encode_klass_ref (acfg, info->d.proxy.klass, p, &p);
3106 case MONO_WRAPPER_STFLD_REMOTE:
3108 case MONO_WRAPPER_ALLOC: {
3109 /* The GC name is saved once in MonoAotFileInfo */
3110 g_assert (info->d.alloc.alloc_type != -1);
3111 encode_value (info->d.alloc.alloc_type, p, &p);
3114 case MONO_WRAPPER_WRITE_BARRIER: {
3118 case MONO_WRAPPER_STELEMREF: {
3120 encode_value (info->subtype, p, &p);
3121 if (info->subtype == WRAPPER_SUBTYPE_VIRTUAL_STELEMREF)
3122 encode_value (info->d.virtual_stelemref.kind, p, &p);
3125 case MONO_WRAPPER_UNKNOWN: {
3127 encode_value (info->subtype, p, &p);
3128 if (info->subtype == WRAPPER_SUBTYPE_PTR_TO_STRUCTURE ||
3129 info->subtype == WRAPPER_SUBTYPE_STRUCTURE_TO_PTR)
3130 encode_klass_ref (acfg, method->klass, p, &p);
3131 else if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER)
3132 encode_method_ref (acfg, info->d.synchronized_inner.method, p, &p);
3133 else if (info->subtype == WRAPPER_SUBTYPE_ARRAY_ACCESSOR)
3134 encode_method_ref (acfg, info->d.array_accessor.method, p, &p);
3135 else if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG)
3136 encode_signature (acfg, info->d.gsharedvt.sig, p, &p);
3137 else if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG)
3138 encode_signature (acfg, info->d.gsharedvt.sig, p, &p);
3141 case MONO_WRAPPER_MANAGED_TO_NATIVE: {
3143 encode_value (info->subtype, p, &p);
3144 if (info->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
3145 strcpy ((char*)p, method->name);
3146 p += strlen (method->name) + 1;
3147 } else if (info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT) {
3148 encode_method_ref (acfg, info->d.managed_to_native.method, p, &p);
3150 g_assert (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_PINVOKE);
3151 encode_method_ref (acfg, info->d.managed_to_native.method, p, &p);
3155 case MONO_WRAPPER_SYNCHRONIZED: {
3158 m = mono_marshal_method_from_wrapper (method);
3160 g_assert (m != method);
3161 encode_method_ref (acfg, m, p, &p);
3164 case MONO_WRAPPER_MANAGED_TO_MANAGED: {
3166 encode_value (info->subtype, p, &p);
3168 if (info->subtype == WRAPPER_SUBTYPE_ELEMENT_ADDR) {
3169 encode_value (info->d.element_addr.rank, p, &p);
3170 encode_value (info->d.element_addr.elem_size, p, &p);
3171 } else if (info->subtype == WRAPPER_SUBTYPE_STRING_CTOR) {
3172 encode_method_ref (acfg, info->d.string_ctor.method, p, &p);
3174 g_assert_not_reached ();
3178 case MONO_WRAPPER_CASTCLASS: {
3180 encode_value (info->subtype, p, &p);
3183 case MONO_WRAPPER_RUNTIME_INVOKE: {
3185 encode_value (info->subtype, p, &p);
3186 if (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL)
3187 encode_method_ref (acfg, info->d.runtime_invoke.method, p, &p);
3188 else if (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL)
3189 encode_signature (acfg, info->d.runtime_invoke.sig, p, &p);
3192 case MONO_WRAPPER_DELEGATE_INVOKE:
3193 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE:
3194 case MONO_WRAPPER_DELEGATE_END_INVOKE: {
3195 if (method->is_inflated) {
3196 /* These wrappers are identified by their class */
3197 encode_value (1, p, &p);
3198 encode_klass_ref (acfg, method->klass, p, &p);
3200 MonoMethodSignature *sig = mono_method_signature (method);
3201 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
3203 encode_value (0, p, &p);
3204 if (method->wrapper_type == MONO_WRAPPER_DELEGATE_INVOKE)
3205 encode_value (info ? info->subtype : 0, p, &p);
3206 encode_signature (acfg, sig, p, &p);
3210 case MONO_WRAPPER_NATIVE_TO_MANAGED: {
3212 encode_method_ref (acfg, info->d.native_to_managed.method, p, &p);
3213 encode_klass_ref (acfg, info->d.native_to_managed.klass, p, &p);
3217 g_assert_not_reached ();
3219 } else if (mono_method_signature (method)->is_inflated) {
3221 * This is a generic method, find the original token which referenced it and
3223 * Obtain the token from information recorded by the JIT.
3225 ji = (MonoJumpInfoToken *)g_hash_table_lookup (acfg->token_info_hash, method);
3227 image_index = get_image_index (acfg, ji->image);
3228 g_assert (image_index < MAX_IMAGE_INDEX);
3231 encode_value ((MONO_AOT_METHODREF_METHODSPEC << 24), p, &p);
3232 encode_value (image_index, p, &p);
3233 encode_value (token, p, &p);
3235 MonoMethod *declaring;
3236 MonoGenericContext *context = mono_method_get_context (method);
3238 g_assert (method->is_inflated);
3239 declaring = ((MonoMethodInflated*)method)->declaring;
3242 * This might be a non-generic method of a generic instance, which
3243 * doesn't have a token since the reference is generated by the JIT
3244 * like Nullable:Box/Unbox, or by generic sharing.
3246 encode_value ((MONO_AOT_METHODREF_GINST << 24), p, &p);
3247 /* Encode the klass */
3248 encode_klass_ref (acfg, method->klass, p, &p);
3249 /* Encode the method */
3250 image_index = get_image_index (acfg, method->klass->image);
3251 g_assert (image_index < MAX_IMAGE_INDEX);
3252 g_assert (declaring->token);
3253 token = declaring->token;
3254 g_assert (mono_metadata_token_table (token) == MONO_TABLE_METHOD);
3255 encode_value (image_index, p, &p);
3256 encode_value (token, p, &p);
3257 encode_generic_context (acfg, context, p, &p);
3259 } else if (token == 0) {
3260 /* This might be a method of a constructed type like int[,].Set */
3261 /* Obtain the token from information recorded by the JIT */
3262 ji = (MonoJumpInfoToken *)g_hash_table_lookup (acfg->token_info_hash, method);
3264 image_index = get_image_index (acfg, ji->image);
3265 g_assert (image_index < MAX_IMAGE_INDEX);
3268 encode_value ((MONO_AOT_METHODREF_METHODSPEC << 24), p, &p);
3269 encode_value (image_index, p, &p);
3270 encode_value (token, p, &p);
3273 g_assert (method->klass->rank);
3275 /* Encode directly */
3276 encode_value ((MONO_AOT_METHODREF_ARRAY << 24), p, &p);
3277 encode_klass_ref (acfg, method->klass, p, &p);
3278 if (!strcmp (method->name, ".ctor") && mono_method_signature (method)->param_count == method->klass->rank)
3279 encode_value (0, p, &p);
3280 else if (!strcmp (method->name, ".ctor") && mono_method_signature (method)->param_count == method->klass->rank * 2)
3281 encode_value (1, p, &p);
3282 else if (!strcmp (method->name, "Get"))
3283 encode_value (2, p, &p);
3284 else if (!strcmp (method->name, "Address"))
3285 encode_value (3, p, &p);
3286 else if (!strcmp (method->name, "Set"))
3287 encode_value (4, p, &p);
3289 g_assert_not_reached ();
3292 g_assert (mono_metadata_token_table (token) == MONO_TABLE_METHOD);
3294 if (image_index >= MONO_AOT_METHODREF_MIN) {
3295 encode_value ((MONO_AOT_METHODREF_LARGE_IMAGE_INDEX << 24), p, &p);
3296 encode_value (image_index, p, &p);
3297 encode_value (mono_metadata_token_index (token), p, &p);
3299 encode_value ((image_index << 24) | mono_metadata_token_index (token), p, &p);
3306 compare_patches (gconstpointer a, gconstpointer b)
3310 i = (*(MonoJumpInfo**)a)->ip.i;
3311 j = (*(MonoJumpInfo**)b)->ip.i;
3322 static G_GNUC_UNUSED char*
3323 patch_to_string (MonoJumpInfo *patch_info)
3327 str = g_string_new ("");
3329 g_string_append_printf (str, "%s(", get_patch_name (patch_info->type));
3331 switch (patch_info->type) {
3332 case MONO_PATCH_INFO_VTABLE:
3333 mono_type_get_desc (str, &patch_info->data.klass->byval_arg, TRUE);
3338 g_string_append_printf (str, ")");
3339 return g_string_free (str, FALSE);
3345 * Return whenever PATCH_INFO refers to a direct call, and thus requires a
3348 static inline gboolean
3349 is_plt_patch (MonoJumpInfo *patch_info)
3351 switch (patch_info->type) {
3352 case MONO_PATCH_INFO_METHOD:
3353 case MONO_PATCH_INFO_INTERNAL_METHOD:
3354 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3355 case MONO_PATCH_INFO_ICALL_ADDR_CALL:
3356 case MONO_PATCH_INFO_RGCTX_FETCH:
3366 * Return the symbol identifying the plt entry PLT_OFFSET.
3369 get_plt_symbol (MonoAotCompile *acfg, int plt_offset, MonoJumpInfo *patch_info)
3373 * The Apple linker reorganizes object files, so it doesn't like branches to local
3374 * labels, since those have no relocations.
3376 return g_strdup_printf ("%sp_%d", acfg->llvm_label_prefix, plt_offset);
3378 return g_strdup_printf ("%sp_%d", acfg->temp_prefix, plt_offset);
3385 * Return a PLT entry which belongs to the method identified by PATCH_INFO.
3387 static MonoPltEntry*
3388 get_plt_entry (MonoAotCompile *acfg, MonoJumpInfo *patch_info)
3391 gboolean synchronized = FALSE;
3392 static int synchronized_symbol_idx;
3394 if (!is_plt_patch (patch_info))
3397 if (!acfg->patch_to_plt_entry [patch_info->type])
3398 acfg->patch_to_plt_entry [patch_info->type] = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
3399 res = (MonoPltEntry *)g_hash_table_lookup (acfg->patch_to_plt_entry [patch_info->type], patch_info);
3401 if (!acfg->llvm && patch_info->type == MONO_PATCH_INFO_METHOD && (patch_info->data.method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)) {
3403 * Allocate a separate PLT slot for each such patch, since some plt
3404 * entries will refer to the method itself, and some will refer to the
3408 synchronized = TRUE;
3412 MonoJumpInfo *new_ji;
3414 new_ji = mono_patch_info_dup_mp (acfg->mempool, patch_info);
3416 res = (MonoPltEntry *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoPltEntry));
3417 res->plt_offset = acfg->plt_offset;
3419 res->symbol = get_plt_symbol (acfg, res->plt_offset, patch_info);
3420 if (acfg->aot_opts.write_symbols)
3421 res->debug_sym = get_plt_entry_debug_sym (acfg, res->ji, acfg->plt_entry_debug_sym_cache);
3423 /* Avoid duplicate symbols because we don't cache */
3424 res->symbol = g_strdup_printf ("%s_%d", res->symbol, synchronized_symbol_idx);
3426 res->debug_sym = g_strdup_printf ("%s_%d", res->debug_sym, synchronized_symbol_idx);
3427 synchronized_symbol_idx ++;
3430 res->llvm_symbol = g_strdup_printf ("%s_%s_llvm", res->symbol, res->debug_sym);
3432 res->llvm_symbol = g_strdup_printf ("%s_llvm", res->symbol);
3434 g_hash_table_insert (acfg->patch_to_plt_entry [new_ji->type], new_ji, res);
3436 g_hash_table_insert (acfg->plt_offset_to_entry, GUINT_TO_POINTER (res->plt_offset), res);
3438 //g_assert (mono_patch_info_equal (patch_info, new_ji));
3439 //mono_print_ji (patch_info); printf ("\n");
3440 //g_hash_table_print_stats (acfg->patch_to_plt_entry);
3442 acfg->plt_offset ++;
3451 * Returns the offset of the GOT slot where the runtime object resulting from resolving
3452 * JI could be found if it exists, otherwise allocates a new one.
3455 get_got_offset (MonoAotCompile *acfg, gboolean llvm, MonoJumpInfo *ji)
3458 GotInfo *info = llvm ? &acfg->llvm_got_info : &acfg->got_info;
3460 got_offset = GPOINTER_TO_UINT (g_hash_table_lookup (info->patch_to_got_offset_by_type [ji->type], ji));
3462 return got_offset - 1;
3465 got_offset = acfg->llvm_got_offset;
3466 acfg->llvm_got_offset ++;
3468 got_offset = acfg->got_offset;
3469 acfg->got_offset ++;
3472 acfg->stats.got_slots ++;
3473 acfg->stats.got_slot_types [ji->type] ++;
3475 g_hash_table_insert (info->patch_to_got_offset, ji, GUINT_TO_POINTER (got_offset + 1));
3476 g_hash_table_insert (info->patch_to_got_offset_by_type [ji->type], ji, GUINT_TO_POINTER (got_offset + 1));
3477 g_ptr_array_add (info->got_patches, ji);
3482 /* Add a method to the list of methods which need to be emitted */
3484 add_method_with_index (MonoAotCompile *acfg, MonoMethod *method, int index, gboolean extra)
3487 if (!g_hash_table_lookup (acfg->method_indexes, method)) {
3488 g_ptr_array_add (acfg->methods, method);
3489 g_hash_table_insert (acfg->method_indexes, method, GUINT_TO_POINTER (index + 1));
3490 acfg->nmethods = acfg->methods->len + 1;
3493 if (method->wrapper_type || extra)
3494 g_ptr_array_add (acfg->extra_methods, method);
3498 prefer_gsharedvt_method (MonoAotCompile *acfg, MonoMethod *method)
3500 /* One instantiation with valuetypes is generated for each async method */
3501 if (method->klass->image == mono_defaults.corlib && (!strcmp (method->klass->name, "AsyncMethodBuilderCore") || !strcmp (method->klass->name, "AsyncVoidMethodBuilder")))
3508 get_method_index (MonoAotCompile *acfg, MonoMethod *method)
3510 int index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_indexes, method));
3518 add_method_full (MonoAotCompile *acfg, MonoMethod *method, gboolean extra, int depth)
3522 index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_indexes, method));
3526 index = acfg->method_index;
3527 add_method_with_index (acfg, method, index, extra);
3529 g_ptr_array_add (acfg->method_order, GUINT_TO_POINTER (index));
3531 g_hash_table_insert (acfg->method_depth, method, GUINT_TO_POINTER (depth));
3533 acfg->method_index ++;
3539 add_method (MonoAotCompile *acfg, MonoMethod *method)
3541 return add_method_full (acfg, method, FALSE, 0);
3545 add_extra_method_with_depth (MonoAotCompile *acfg, MonoMethod *method, int depth)
3547 if (mono_method_is_generic_sharable_full (method, TRUE, TRUE, FALSE))
3548 method = mini_get_shared_method (method);
3549 else if ((acfg->opts & MONO_OPT_GSHAREDVT) && prefer_gsharedvt_method (acfg, method) && mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE))
3550 /* Use the gsharedvt version */
3551 method = mini_get_shared_method_full (method, TRUE, TRUE);
3553 if (acfg->aot_opts.log_generics)
3554 aot_printf (acfg, "%*sAdding method %s.\n", depth, "", mono_method_get_full_name (method));
3556 add_method_full (acfg, method, TRUE, depth);
3560 add_extra_method (MonoAotCompile *acfg, MonoMethod *method)
3562 add_extra_method_with_depth (acfg, method, 0);
3566 add_jit_icall_wrapper (gpointer key, gpointer value, gpointer user_data)
3568 MonoAotCompile *acfg = (MonoAotCompile *)user_data;
3569 MonoJitICallInfo *callinfo = (MonoJitICallInfo *)value;
3570 MonoMethod *wrapper;
3576 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
3577 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, TRUE);
3580 add_method (acfg, wrapper);
3584 get_runtime_invoke_sig (MonoMethodSignature *sig)
3586 MonoMethodBuilder *mb;
3589 mb = mono_mb_new (mono_defaults.object_class, "FOO", MONO_WRAPPER_NONE);
3590 m = mono_mb_create_method (mb, sig, 16);
3591 return mono_marshal_get_runtime_invoke (m, FALSE);
3595 get_runtime_invoke (MonoAotCompile *acfg, MonoMethod *method, gboolean virtual_)
3597 return mono_marshal_get_runtime_invoke (method, virtual_);
3601 can_marshal_struct (MonoClass *klass)
3603 MonoClassField *field;
3604 gboolean can_marshal = TRUE;
3605 gpointer iter = NULL;
3606 MonoMarshalType *info;
3609 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
3612 info = mono_marshal_load_type_info (klass);
3614 /* Only allow a few field types to avoid asserts in the marshalling code */
3615 while ((field = mono_class_get_fields (klass, &iter))) {
3616 if ((field->type->attrs & FIELD_ATTRIBUTE_STATIC))
3619 switch (field->type->type) {
3624 case MONO_TYPE_BOOLEAN:
3627 case MONO_TYPE_CHAR:
3635 case MONO_TYPE_STRING:
3637 case MONO_TYPE_VALUETYPE:
3638 if (!mono_class_from_mono_type (field->type)->enumtype && !can_marshal_struct (mono_class_from_mono_type (field->type)))
3639 can_marshal = FALSE;
3641 case MONO_TYPE_SZARRAY: {
3642 gboolean has_mspec = FALSE;
3645 for (i = 0; i < info->num_fields; ++i) {
3646 if (info->fields [i].field == field && info->fields [i].mspec)
3651 can_marshal = FALSE;
3655 can_marshal = FALSE;
3661 /* Its hard to compute whenever these can be marshalled or not */
3662 if (!strcmp (klass->name_space, "System.Net.NetworkInformation.MacOsStructs") && strcmp (klass->name, "sockaddr_dl"))
3669 create_gsharedvt_inst (MonoAotCompile *acfg, MonoMethod *method, MonoGenericContext *ctx)
3671 /* Create a vtype instantiation */
3672 MonoGenericContext shared_context;
3674 MonoGenericInst *inst;
3675 MonoGenericContainer *container;
3676 MonoClass **constraints;
3679 memset (ctx, 0, sizeof (MonoGenericContext));
3681 if (method->klass->generic_container) {
3682 shared_context = method->klass->generic_container->context;
3683 inst = shared_context.class_inst;
3685 args = g_new0 (MonoType*, inst->type_argc);
3686 for (i = 0; i < inst->type_argc; ++i) {
3687 args [i] = &mono_defaults.int_class->byval_arg;
3689 ctx->class_inst = mono_metadata_get_generic_inst (inst->type_argc, args);
3691 if (method->is_generic) {
3692 container = mono_method_get_generic_container (method);
3693 shared_context = container->context;
3694 inst = shared_context.method_inst;
3696 args = g_new0 (MonoType*, inst->type_argc);
3697 for (i = 0; i < container->type_argc; ++i) {
3698 MonoGenericParamInfo *info = &container->type_params [i].info;
3699 gboolean ref_only = FALSE;
3701 if (info && info->constraints) {
3702 constraints = info->constraints;
3704 while (*constraints) {
3705 MonoClass *cklass = *constraints;
3706 if (!(cklass == mono_defaults.object_class || (cklass->image == mono_defaults.corlib && !strcmp (cklass->name, "ValueType"))))
3707 /* Inflaring the method with our vtype would not be valid */
3714 args [i] = &mono_defaults.object_class->byval_arg;
3716 args [i] = &mono_defaults.int_class->byval_arg;
3718 ctx->method_inst = mono_metadata_get_generic_inst (inst->type_argc, args);
3723 add_wrappers (MonoAotCompile *acfg)
3725 MonoMethod *method, *m;
3727 MonoMethodSignature *sig, *csig;
3731 * FIXME: Instead of AOTing all the wrappers, it might be better to redesign them
3732 * so there is only one wrapper of a given type, or inlining their contents into their
3735 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
3738 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
3739 gboolean skip = FALSE;
3741 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
3742 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
3744 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
3745 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
3746 (method->flags & METHOD_ATTRIBUTE_ABSTRACT))
3749 /* Skip methods which can not be handled by get_runtime_invoke () */
3750 sig = mono_method_signature (method);
3753 if ((sig->ret->type == MONO_TYPE_PTR) ||
3754 (sig->ret->type == MONO_TYPE_TYPEDBYREF))
3756 if (mono_class_is_open_constructed_type (sig->ret))
3759 for (j = 0; j < sig->param_count; j++) {
3760 if (sig->params [j]->type == MONO_TYPE_TYPEDBYREF)
3762 if (mono_class_is_open_constructed_type (sig->params [j]))
3766 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
3767 if (!mono_class_is_contextbound (method->klass)) {
3768 MonoDynCallInfo *info = mono_arch_dyn_call_prepare (sig);
3769 gboolean has_nullable = FALSE;
3771 for (j = 0; j < sig->param_count; j++) {
3772 if (sig->params [j]->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (sig->params [j])))
3773 has_nullable = TRUE;
3776 if (info && !has_nullable && !acfg->aot_opts.llvm_only) {
3777 /* Supported by the dynamic runtime-invoke wrapper */
3781 mono_arch_dyn_call_free (info);
3785 if (acfg->aot_opts.llvm_only)
3786 /* Supported by the gsharedvt based runtime-invoke wrapper */
3790 //printf ("%s\n", mono_method_full_name (method, TRUE));
3791 add_method (acfg, get_runtime_invoke (acfg, method, FALSE));
3795 if (strcmp (acfg->image->assembly->aname.name, "mscorlib") == 0) {
3798 /* Runtime invoke wrappers */
3800 /* void runtime-invoke () [.cctor] */
3801 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3802 csig->ret = &mono_defaults.void_class->byval_arg;
3803 add_method (acfg, get_runtime_invoke_sig (csig));
3805 /* void runtime-invoke () [Finalize] */
3806 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3808 csig->ret = &mono_defaults.void_class->byval_arg;
3809 add_method (acfg, get_runtime_invoke_sig (csig));
3811 /* void runtime-invoke (string) [exception ctor] */
3812 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
3814 csig->ret = &mono_defaults.void_class->byval_arg;
3815 csig->params [0] = &mono_defaults.string_class->byval_arg;
3816 add_method (acfg, get_runtime_invoke_sig (csig));
3818 /* void runtime-invoke (string, string) [exception ctor] */
3819 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
3821 csig->ret = &mono_defaults.void_class->byval_arg;
3822 csig->params [0] = &mono_defaults.string_class->byval_arg;
3823 csig->params [1] = &mono_defaults.string_class->byval_arg;
3824 add_method (acfg, get_runtime_invoke_sig (csig));
3826 /* string runtime-invoke () [Exception.ToString ()] */
3827 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3829 csig->ret = &mono_defaults.string_class->byval_arg;
3830 add_method (acfg, get_runtime_invoke_sig (csig));
3832 /* void runtime-invoke (string, Exception) [exception ctor] */
3833 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
3835 csig->ret = &mono_defaults.void_class->byval_arg;
3836 csig->params [0] = &mono_defaults.string_class->byval_arg;
3837 csig->params [1] = &mono_defaults.exception_class->byval_arg;
3838 add_method (acfg, get_runtime_invoke_sig (csig));
3840 /* Assembly runtime-invoke (string, bool) [DoAssemblyResolve] */
3841 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
3843 csig->ret = &(mono_class_load_from_name (
3844 mono_defaults.corlib, "System.Reflection", "Assembly"))->byval_arg;
3845 csig->params [0] = &mono_defaults.string_class->byval_arg;
3846 csig->params [1] = &mono_defaults.boolean_class->byval_arg;
3847 add_method (acfg, get_runtime_invoke_sig (csig));
3849 /* runtime-invoke used by finalizers */
3850 add_method (acfg, get_runtime_invoke (acfg, mono_class_get_method_from_name_flags (mono_defaults.object_class, "Finalize", 0, 0), TRUE));
3852 /* This is used by mono_runtime_capture_context () */
3853 method = mono_get_context_capture_method ();
3855 add_method (acfg, get_runtime_invoke (acfg, method, FALSE));
3857 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
3858 if (!acfg->aot_opts.llvm_only)
3859 add_method (acfg, mono_marshal_get_runtime_invoke_dynamic ());
3862 /* These are used by mono_jit_runtime_invoke () to calls gsharedvt out wrappers */
3863 if (acfg->aot_opts.llvm_only) {
3866 /* Create simplified signatures which match the signature used by the gsharedvt out wrappers */
3867 for (variants = 0; variants < 4; ++variants) {
3868 for (i = 0; i < 16; ++i) {
3869 sig = mini_get_gsharedvt_out_sig_wrapper_signature ((variants & 1) > 0, (variants & 2) > 0, i);
3870 add_extra_method (acfg, mono_marshal_get_runtime_invoke_for_sig (sig));
3878 add_method (acfg, mono_marshal_get_stelemref ());
3880 if (MONO_ARCH_HAVE_TLS_GET) {
3881 /* Managed Allocators */
3882 nallocators = mono_gc_get_managed_allocator_types ();
3883 for (i = 0; i < nallocators; ++i) {
3884 if ((m = mono_gc_get_managed_allocator_by_type (i, MANAGED_ALLOCATOR_REGULAR)))
3885 add_method (acfg, m);
3886 if ((m = mono_gc_get_managed_allocator_by_type (i, MANAGED_ALLOCATOR_SLOW_PATH)))
3887 add_method (acfg, m);
3891 /* write barriers */
3892 if (mono_gc_is_moving ()) {
3893 add_method (acfg, mono_gc_get_specific_write_barrier (FALSE));
3894 add_method (acfg, mono_gc_get_specific_write_barrier (TRUE));
3897 /* Stelemref wrappers */
3899 MonoMethod **wrappers;
3902 wrappers = mono_marshal_get_virtual_stelemref_wrappers (&nwrappers);
3903 for (i = 0; i < nwrappers; ++i)
3904 add_method (acfg, wrappers [i]);
3908 /* castclass_with_check wrapper */
3909 add_method (acfg, mono_marshal_get_castclass_with_cache ());
3910 /* isinst_with_check wrapper */
3911 add_method (acfg, mono_marshal_get_isinst_with_cache ());
3913 /* JIT icall wrappers */
3914 /* FIXME: locking - this is "safe" as full-AOT threads don't mutate the icall hash*/
3915 g_hash_table_foreach (mono_get_jit_icall_info (), add_jit_icall_wrapper, acfg);
3919 * remoting-invoke-with-check wrappers are very frequent, so avoid emitting them,
3920 * we use the original method instead at runtime.
3921 * Since full-aot doesn't support remoting, this is not a problem.
3924 /* remoting-invoke wrappers */
3925 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
3927 MonoMethodSignature *sig;
3929 token = MONO_TOKEN_METHOD_DEF | (i + 1);
3930 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
3931 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3933 sig = mono_method_signature (method);
3935 if (sig->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class)) {
3936 m = mono_marshal_get_remoting_invoke_with_check (method);
3938 add_method (acfg, m);
3943 /* delegate-invoke wrappers */
3944 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
3947 MonoCustomAttrInfo *cattr;
3949 token = MONO_TOKEN_TYPE_DEF | (i + 1);
3950 klass = mono_class_get_checked (acfg->image, token, &error);
3953 mono_error_cleanup (&error);
3957 if (!klass->delegate || klass == mono_defaults.delegate_class || klass == mono_defaults.multicastdelegate_class)
3960 if (!klass->generic_container) {
3961 method = mono_get_delegate_invoke (klass);
3963 m = mono_marshal_get_delegate_invoke (method, NULL);
3965 add_method (acfg, m);
3967 method = mono_class_get_method_from_name_flags (klass, "BeginInvoke", -1, 0);
3969 add_method (acfg, mono_marshal_get_delegate_begin_invoke (method));
3971 method = mono_class_get_method_from_name_flags (klass, "EndInvoke", -1, 0);
3973 add_method (acfg, mono_marshal_get_delegate_end_invoke (method));
3975 cattr = mono_custom_attrs_from_class_checked (klass, &error);
3976 if (!is_ok (&error)) {
3977 mono_error_cleanup (&error);
3984 for (j = 0; j < cattr->num_attrs; ++j)
3985 if (cattr->attrs [j].ctor && (!strcmp (cattr->attrs [j].ctor->klass->name, "MonoNativeFunctionWrapperAttribute") || !strcmp (cattr->attrs [j].ctor->klass->name, "UnmanagedFunctionPointerAttribute")))
3987 if (j < cattr->num_attrs) {
3989 MonoMethod *wrapper;
3990 MonoMethod *del_invoke;
3992 /* Add wrappers needed by mono_ftnptr_to_delegate () */
3993 invoke = mono_get_delegate_invoke (klass);
3994 wrapper = mono_marshal_get_native_func_wrapper_aot (klass);
3995 del_invoke = mono_marshal_get_delegate_invoke_internal (invoke, FALSE, TRUE, wrapper);
3996 add_method (acfg, wrapper);
3997 add_method (acfg, del_invoke);
4000 } else if ((acfg->opts & MONO_OPT_GSHAREDVT) && klass->generic_container) {
4002 MonoGenericContext ctx;
4003 MonoMethod *inst, *gshared;
4006 * Emit gsharedvt versions of the generic delegate-invoke wrappers
4009 method = mono_get_delegate_invoke (klass);
4010 create_gsharedvt_inst (acfg, method, &ctx);
4012 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4013 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4015 m = mono_marshal_get_delegate_invoke (inst, NULL);
4016 g_assert (m->is_inflated);
4018 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4019 add_extra_method (acfg, gshared);
4022 method = mono_get_delegate_begin_invoke (klass);
4023 create_gsharedvt_inst (acfg, method, &ctx);
4025 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4026 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4028 m = mono_marshal_get_delegate_begin_invoke (inst);
4029 g_assert (m->is_inflated);
4031 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4032 add_extra_method (acfg, gshared);
4035 method = mono_get_delegate_end_invoke (klass);
4036 create_gsharedvt_inst (acfg, method, &ctx);
4038 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4039 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4041 m = mono_marshal_get_delegate_end_invoke (inst);
4042 g_assert (m->is_inflated);
4044 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4045 add_extra_method (acfg, gshared);
4050 /* array access wrappers */
4051 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPESPEC].rows; ++i) {
4055 token = MONO_TOKEN_TYPE_SPEC | (i + 1);
4056 klass = mono_class_get_checked (acfg->image, token, &error);
4059 mono_error_cleanup (&error);
4063 if (klass->rank && MONO_TYPE_IS_PRIMITIVE (&klass->element_class->byval_arg)) {
4064 MonoMethod *m, *wrapper;
4066 /* Add runtime-invoke wrappers too */
4068 m = mono_class_get_method_from_name (klass, "Get", -1);
4070 wrapper = mono_marshal_get_array_accessor_wrapper (m);
4071 add_extra_method (acfg, wrapper);
4072 if (!acfg->aot_opts.llvm_only)
4073 add_extra_method (acfg, get_runtime_invoke (acfg, wrapper, FALSE));
4075 m = mono_class_get_method_from_name (klass, "Set", -1);
4077 wrapper = mono_marshal_get_array_accessor_wrapper (m);
4078 add_extra_method (acfg, wrapper);
4079 if (!acfg->aot_opts.llvm_only)
4080 add_extra_method (acfg, get_runtime_invoke (acfg, wrapper, FALSE));
4084 /* Synchronized wrappers */
4085 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
4087 token = MONO_TOKEN_METHOD_DEF | (i + 1);
4088 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4089 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
4091 if (method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) {
4092 if (method->is_generic) {
4094 } else if ((acfg->opts & MONO_OPT_GSHAREDVT) && method->klass->generic_container) {
4096 MonoGenericContext ctx;
4097 MonoMethod *inst, *gshared, *m;
4100 * Create a generic wrapper for a generic instance, and AOT that.
4102 create_gsharedvt_inst (acfg, method, &ctx);
4103 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4104 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4105 m = mono_marshal_get_synchronized_wrapper (inst);
4106 g_assert (m->is_inflated);
4107 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4108 add_method (acfg, gshared);
4110 add_method (acfg, mono_marshal_get_synchronized_wrapper (method));
4115 /* pinvoke wrappers */
4116 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
4119 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
4121 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4122 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
4124 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
4125 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)) {
4126 add_method (acfg, mono_marshal_get_native_wrapper (method, TRUE, TRUE));
4130 /* native-to-managed wrappers */
4131 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
4134 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
4135 MonoCustomAttrInfo *cattr;
4138 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4139 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
4142 * Only generate native-to-managed wrappers for methods which have an
4143 * attribute named MonoPInvokeCallbackAttribute. We search for the attribute by
4144 * name to avoid defining a new assembly to contain it.
4146 cattr = mono_custom_attrs_from_method_checked (method, &error);
4147 if (!is_ok (&error)) {
4148 char *name = mono_method_get_full_name (method);
4149 report_loader_error (acfg, &error, "Failed to load custom attributes from method %s due to %s\n", name, mono_error_get_message (&error));
4154 for (j = 0; j < cattr->num_attrs; ++j)
4155 if (cattr->attrs [j].ctor && !strcmp (cattr->attrs [j].ctor->klass->name, "MonoPInvokeCallbackAttribute"))
4157 if (j < cattr->num_attrs) {
4158 MonoCustomAttrEntry *e = &cattr->attrs [j];
4159 MonoMethodSignature *sig = mono_method_signature (e->ctor);
4160 const char *p = (const char*)e->data;
4162 int slen, num_named, named_type;
4166 char *export_name = NULL;
4167 MonoMethod *wrapper;
4169 /* this cannot be enforced by the C# compiler so we must give the user some warning before aborting */
4170 if (!(method->flags & METHOD_ATTRIBUTE_STATIC)) {
4171 g_warning ("AOT restriction: Method '%s' must be static since it is decorated with [MonoPInvokeCallback]. See http://ios.xamarin.com/Documentation/Limitations#Reverse_Callbacks",
4172 mono_method_full_name (method, TRUE));
4176 g_assert (sig->param_count == 1);
4177 g_assert (sig->params [0]->type == MONO_TYPE_CLASS && !strcmp (mono_class_from_mono_type (sig->params [0])->name, "Type"));
4180 * Decode the cattr manually since we can't create objects
4181 * during aot compilation.
4187 /* From load_cattr_value () in reflection.c */
4188 slen = mono_metadata_decode_value (p, &p);
4189 n = (char *)g_memdup (p, slen + 1);
4191 t = mono_reflection_type_from_name_checked (n, acfg->image, &error);
4193 mono_error_assert_ok (&error);
4196 klass = mono_class_from_mono_type (t);
4197 g_assert (klass->parent == mono_defaults.multicastdelegate_class);
4201 num_named = read16 (p);
4204 g_assert (num_named < 2);
4205 if (num_named == 1) {
4209 /* parse ExportSymbol attribute */
4211 named_type = *named;
4213 /* data_type = *named; */
4216 name_len = mono_metadata_decode_blob_size (named, &named);
4217 name = (char *)g_malloc (name_len + 1);
4218 memcpy (name, named, name_len);
4219 name [name_len] = 0;
4222 g_assert (named_type == 0x54);
4223 g_assert (!strcmp (name, "ExportSymbol"));
4225 /* load_cattr_value (), string case */
4226 g_assert (*named != (char)0xff);
4227 slen = mono_metadata_decode_value (named, &named);
4228 export_name = (char *)g_malloc (slen + 1);
4229 memcpy (export_name, named, slen);
4230 export_name [slen] = 0;
4234 wrapper = mono_marshal_get_managed_wrapper (method, klass, 0);
4235 add_method (acfg, wrapper);
4237 g_hash_table_insert (acfg->export_names, wrapper, export_name);
4241 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
4242 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)) {
4243 add_method (acfg, mono_marshal_get_native_wrapper (method, TRUE, TRUE));
4247 /* StructureToPtr/PtrToStructure wrappers */
4248 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
4252 token = MONO_TOKEN_TYPE_DEF | (i + 1);
4253 klass = mono_class_get_checked (acfg->image, token, &error);
4256 mono_error_cleanup (&error);
4260 if (klass->valuetype && !klass->generic_container && can_marshal_struct (klass) &&
4261 !(klass->nested_in && strstr (klass->nested_in->name, "<PrivateImplementationDetails>") == klass->nested_in->name)) {
4262 add_method (acfg, mono_marshal_get_struct_to_ptr (klass));
4263 add_method (acfg, mono_marshal_get_ptr_to_struct (klass));
4269 has_type_vars (MonoClass *klass)
4271 if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR))
4274 return has_type_vars (klass->element_class);
4275 if (klass->generic_class) {
4276 MonoGenericContext *context = &klass->generic_class->context;
4277 if (context->class_inst) {
4280 for (i = 0; i < context->class_inst->type_argc; ++i)
4281 if (has_type_vars (mono_class_from_mono_type (context->class_inst->type_argv [i])))
4285 if (klass->generic_container)
4291 is_vt_inst (MonoGenericInst *inst)
4295 for (i = 0; i < inst->type_argc; ++i) {
4296 MonoType *t = inst->type_argv [i];
4297 if (MONO_TYPE_ISSTRUCT (t) || t->type == MONO_TYPE_VALUETYPE)
4304 method_has_type_vars (MonoMethod *method)
4306 if (has_type_vars (method->klass))
4309 if (method->is_inflated) {
4310 MonoGenericContext *context = mono_method_get_context (method);
4311 if (context->method_inst) {
4314 for (i = 0; i < context->method_inst->type_argc; ++i)
4315 if (has_type_vars (mono_class_from_mono_type (context->method_inst->type_argv [i])))
4323 gboolean mono_aot_mode_is_full (MonoAotOptions *opts)
4325 return opts->mode == MONO_AOT_MODE_FULL;
4328 static void add_generic_class_with_depth (MonoAotCompile *acfg, MonoClass *klass, int depth, const char *ref);
4331 add_generic_class (MonoAotCompile *acfg, MonoClass *klass, gboolean force, const char *ref)
4333 /* This might lead to a huge code blowup so only do it if neccesary */
4334 if (!mono_aot_mode_is_full (&acfg->aot_opts) && !force)
4337 add_generic_class_with_depth (acfg, klass, 0, ref);
4341 check_type_depth (MonoType *t, int depth)
4349 case MONO_TYPE_GENERICINST: {
4350 MonoGenericClass *gklass = t->data.generic_class;
4351 MonoGenericInst *ginst = gklass->context.class_inst;
4354 for (i = 0; i < ginst->type_argc; ++i) {
4355 if (check_type_depth (ginst->type_argv [i], depth + 1))
4369 add_types_from_method_header (MonoAotCompile *acfg, MonoMethod *method);
4372 * add_generic_class:
4374 * Add all methods of a generic class.
4377 add_generic_class_with_depth (MonoAotCompile *acfg, MonoClass *klass, int depth, const char *ref)
4380 MonoClassField *field;
4382 gboolean use_gsharedvt = FALSE;
4384 if (!acfg->ginst_hash)
4385 acfg->ginst_hash = g_hash_table_new (NULL, NULL);
4387 mono_class_init (klass);
4389 if (klass->generic_class && klass->generic_class->context.class_inst->is_open)
4392 if (has_type_vars (klass))
4395 if (!klass->generic_class && !klass->rank)
4398 if (mono_class_has_failure (klass))
4401 if (!acfg->ginst_hash)
4402 acfg->ginst_hash = g_hash_table_new (NULL, NULL);
4404 if (g_hash_table_lookup (acfg->ginst_hash, klass))
4407 if (check_type_depth (&klass->byval_arg, 0))
4410 if (acfg->aot_opts.log_generics)
4411 aot_printf (acfg, "%*sAdding generic instance %s [%s].\n", depth, "", mono_type_full_name (&klass->byval_arg), ref);
4413 g_hash_table_insert (acfg->ginst_hash, klass, klass);
4416 * Use gsharedvt for generic collections with vtype arguments to avoid code blowup.
4417 * Enable this only for some classes since gsharedvt might not support all methods.
4419 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) &&
4420 (!strcmp (klass->name, "Dictionary`2") || !strcmp (klass->name, "List`1") || !strcmp (klass->name, "ReadOnlyCollection`1")))
4421 use_gsharedvt = TRUE;
4424 while ((method = mono_class_get_methods (klass, &iter))) {
4425 if ((acfg->opts & MONO_OPT_GSHAREDVT) && method->is_inflated && mono_method_get_context (method)->method_inst) {
4427 * This is partial sharing, and we can't handle it yet
4432 if (mono_method_is_generic_sharable_full (method, FALSE, FALSE, use_gsharedvt)) {
4434 add_types_from_method_header (acfg, method);
4438 if (method->is_generic)
4443 * FIXME: Instances which are referenced by these methods are not added,
4444 * for example Array.Resize<int> for List<int>.Add ().
4446 add_extra_method_with_depth (acfg, method, depth + 1);
4450 while ((field = mono_class_get_fields (klass, &iter))) {
4451 if (field->type->type == MONO_TYPE_GENERICINST)
4452 add_generic_class_with_depth (acfg, mono_class_from_mono_type (field->type), depth + 1, "field");
4455 if (klass->delegate) {
4456 method = mono_get_delegate_invoke (klass);
4458 method = mono_marshal_get_delegate_invoke (method, NULL);
4460 if (acfg->aot_opts.log_generics)
4461 aot_printf (acfg, "%*sAdding method %s.\n", depth, "", mono_method_get_full_name (method));
4463 add_method (acfg, method);
4466 /* Add superclasses */
4468 add_generic_class_with_depth (acfg, klass->parent, depth, "parent");
4471 * For ICollection<T>, add instances of the helper methods
4472 * in Array, since a T[] could be cast to ICollection<T>.
4474 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") &&
4475 (!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"))) {
4476 MonoClass *tclass = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4477 MonoClass *array_class = mono_bounded_array_class_get (tclass, 1, FALSE);
4481 if (!strcmp (klass->name, "IEnumerator`1"))
4482 name_prefix = g_strdup_printf ("%s.%s", klass->name_space, "IEnumerable`1");
4484 name_prefix = g_strdup_printf ("%s.%s", klass->name_space, klass->name);
4486 /* Add the T[]/InternalEnumerator class */
4487 if (!strcmp (klass->name, "IEnumerable`1") || !strcmp (klass->name, "IEnumerator`1")) {
4492 while ((nclass = mono_class_get_nested_types (array_class->parent, &iter))) {
4493 if (!strcmp (nclass->name, "InternalEnumerator`1"))
4497 nclass = mono_class_inflate_generic_class_checked (nclass, mono_generic_class_get_context (klass->generic_class), &error);
4498 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4499 add_generic_class (acfg, nclass, FALSE, "ICollection<T>");
4503 while ((method = mono_class_get_methods (array_class, &iter))) {
4504 if (strstr (method->name, name_prefix)) {
4505 MonoMethod *m = mono_aot_get_array_helper_from_wrapper (method);
4507 add_extra_method_with_depth (acfg, m, depth);
4511 g_free (name_prefix);
4514 /* Add an instance of GenericComparer<T> which is created dynamically by Comparer<T> */
4515 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "Comparer`1")) {
4517 MonoClass *tclass = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4518 MonoClass *icomparable, *gcomparer, *icomparable_inst;
4519 MonoGenericContext ctx;
4520 MonoType *args [16];
4522 memset (&ctx, 0, sizeof (ctx));
4524 icomparable = mono_class_load_from_name (mono_defaults.corlib, "System", "IComparable`1");
4526 args [0] = &tclass->byval_arg;
4527 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4529 icomparable_inst = mono_class_inflate_generic_class_checked (icomparable, &ctx, &error);
4530 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4532 if (mono_class_is_assignable_from (icomparable_inst, tclass)) {
4533 MonoClass *gcomparer_inst;
4534 gcomparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "GenericComparer`1");
4535 gcomparer_inst = mono_class_inflate_generic_class_checked (gcomparer, &ctx, &error);
4536 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4538 add_generic_class (acfg, gcomparer_inst, FALSE, "Comparer<T>");
4542 /* Add an instance of GenericEqualityComparer<T> which is created dynamically by EqualityComparer<T> */
4543 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "EqualityComparer`1")) {
4545 MonoClass *tclass = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4546 MonoClass *iface, *gcomparer, *iface_inst;
4547 MonoGenericContext ctx;
4548 MonoType *args [16];
4550 memset (&ctx, 0, sizeof (ctx));
4552 iface = mono_class_load_from_name (mono_defaults.corlib, "System", "IEquatable`1");
4554 args [0] = &tclass->byval_arg;
4555 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4557 iface_inst = mono_class_inflate_generic_class_checked (iface, &ctx, &error);
4558 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4560 if (mono_class_is_assignable_from (iface_inst, tclass)) {
4561 MonoClass *gcomparer_inst;
4564 gcomparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "GenericEqualityComparer`1");
4565 gcomparer_inst = mono_class_inflate_generic_class_checked (gcomparer, &ctx, &error);
4566 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4567 add_generic_class (acfg, gcomparer_inst, FALSE, "EqualityComparer<T>");
4571 /* Add an instance of EnumComparer<T> which is created dynamically by EqualityComparer<T> for enums */
4572 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "EqualityComparer`1")) {
4573 MonoClass *enum_comparer;
4574 MonoClass *tclass = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4575 MonoGenericContext ctx;
4576 MonoType *args [16];
4578 if (mono_class_is_enum (tclass)) {
4579 MonoClass *enum_comparer_inst;
4582 memset (&ctx, 0, sizeof (ctx));
4583 args [0] = &tclass->byval_arg;
4584 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4586 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "EnumEqualityComparer`1");
4587 enum_comparer_inst = mono_class_inflate_generic_class_checked (enum_comparer, &ctx, &error);
4588 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4589 add_generic_class (acfg, enum_comparer_inst, FALSE, "EqualityComparer<T>");
4593 /* Add an instance of ObjectComparer<T> which is created dynamically by Comparer<T> for enums */
4594 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "Comparer`1")) {
4595 MonoClass *comparer;
4596 MonoClass *tclass = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4597 MonoGenericContext ctx;
4598 MonoType *args [16];
4600 if (mono_class_is_enum (tclass)) {
4601 MonoClass *comparer_inst;
4604 memset (&ctx, 0, sizeof (ctx));
4605 args [0] = &tclass->byval_arg;
4606 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4608 comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "ObjectComparer`1");
4609 comparer_inst = mono_class_inflate_generic_class_checked (comparer, &ctx, &error);
4610 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4611 add_generic_class (acfg, comparer_inst, FALSE, "Comparer<T>");
4617 add_instances_of (MonoAotCompile *acfg, MonoClass *klass, MonoType **insts, int ninsts, gboolean force)
4620 MonoGenericContext ctx;
4621 MonoType *args [16];
4623 if (acfg->aot_opts.no_instances)
4626 memset (&ctx, 0, sizeof (ctx));
4628 for (i = 0; i < ninsts; ++i) {
4630 MonoClass *generic_inst;
4631 args [0] = insts [i];
4632 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4633 generic_inst = mono_class_inflate_generic_class_checked (klass, &ctx, &error);
4634 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
4635 add_generic_class (acfg, generic_inst, force, "");
4640 add_types_from_method_header (MonoAotCompile *acfg, MonoMethod *method)
4643 MonoMethodHeader *header;
4644 MonoMethodSignature *sig;
4647 depth = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_depth, method));
4649 sig = mono_method_signature (method);
4652 for (j = 0; j < sig->param_count; ++j)
4653 if (sig->params [j]->type == MONO_TYPE_GENERICINST)
4654 add_generic_class_with_depth (acfg, mono_class_from_mono_type (sig->params [j]), depth + 1, "arg");
4657 header = mono_method_get_header_checked (method, &error);
4660 for (j = 0; j < header->num_locals; ++j)
4661 if (header->locals [j]->type == MONO_TYPE_GENERICINST)
4662 add_generic_class_with_depth (acfg, mono_class_from_mono_type (header->locals [j]), depth + 1, "local");
4664 mono_error_cleanup (&error); /* FIXME report the error */
4669 * add_generic_instances:
4671 * Add instances referenced by the METHODSPEC/TYPESPEC table.
4674 add_generic_instances (MonoAotCompile *acfg)
4679 MonoGenericContext *context;
4681 if (acfg->aot_opts.no_instances)
4684 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHODSPEC].rows; ++i) {
4686 token = MONO_TOKEN_METHOD_SPEC | (i + 1);
4687 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4690 aot_printerrf (acfg, "Failed to load methodspec 0x%x due to %s.\n", token, mono_error_get_message (&error));
4691 aot_printerrf (acfg, "Run with MONO_LOG_LEVEL=debug for more information.\n");
4692 mono_error_cleanup (&error);
4696 if (method->klass->image != acfg->image)
4699 context = mono_method_get_context (method);
4701 if (context && ((context->class_inst && context->class_inst->is_open)))
4705 * For open methods, create an instantiation which can be passed to the JIT.
4706 * FIXME: Handle class_inst as well.
4708 if (context && context->method_inst && context->method_inst->is_open) {
4710 MonoGenericContext shared_context;
4711 MonoGenericInst *inst;
4712 MonoType **type_argv;
4714 MonoMethod *declaring_method;
4715 gboolean supported = TRUE;
4717 /* Check that the context doesn't contain open constructed types */
4718 if (context->class_inst) {
4719 inst = context->class_inst;
4720 for (i = 0; i < inst->type_argc; ++i) {
4721 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)
4723 if (mono_class_is_open_constructed_type (inst->type_argv [i]))
4727 if (context->method_inst) {
4728 inst = context->method_inst;
4729 for (i = 0; i < inst->type_argc; ++i) {
4730 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)
4732 if (mono_class_is_open_constructed_type (inst->type_argv [i]))
4740 memset (&shared_context, 0, sizeof (MonoGenericContext));
4742 inst = context->class_inst;
4744 type_argv = g_new0 (MonoType*, inst->type_argc);
4745 for (i = 0; i < inst->type_argc; ++i) {
4746 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)
4747 type_argv [i] = &mono_defaults.object_class->byval_arg;
4749 type_argv [i] = inst->type_argv [i];
4752 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4756 inst = context->method_inst;
4758 type_argv = g_new0 (MonoType*, inst->type_argc);
4759 for (i = 0; i < inst->type_argc; ++i) {
4760 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)
4761 type_argv [i] = &mono_defaults.object_class->byval_arg;
4763 type_argv [i] = inst->type_argv [i];
4766 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4770 if (method->is_generic || method->klass->generic_container)
4771 declaring_method = method;
4773 declaring_method = mono_method_get_declaring_generic_method (method);
4775 method = mono_class_inflate_generic_method_checked (declaring_method, &shared_context, &error);
4776 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4780 * If the method is fully sharable, it was already added in place of its
4781 * generic definition.
4783 if (mono_method_is_generic_sharable_full (method, FALSE, FALSE, FALSE))
4787 * FIXME: Partially shared methods are not shared here, so we end up with
4788 * many identical methods.
4790 add_extra_method (acfg, method);
4793 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPESPEC].rows; ++i) {
4797 token = MONO_TOKEN_TYPE_SPEC | (i + 1);
4799 klass = mono_class_get_checked (acfg->image, token, &error);
4800 if (!klass || klass->rank) {
4801 mono_error_cleanup (&error);
4805 add_generic_class (acfg, klass, FALSE, "typespec");
4808 /* Add types of args/locals */
4809 for (i = 0; i < acfg->methods->len; ++i) {
4810 method = (MonoMethod *)g_ptr_array_index (acfg->methods, i);
4811 add_types_from_method_header (acfg, method);
4814 if (acfg->image == mono_defaults.corlib) {
4816 MonoType *insts [256];
4819 insts [ninsts ++] = &mono_defaults.byte_class->byval_arg;
4820 insts [ninsts ++] = &mono_defaults.sbyte_class->byval_arg;
4821 insts [ninsts ++] = &mono_defaults.int16_class->byval_arg;
4822 insts [ninsts ++] = &mono_defaults.uint16_class->byval_arg;
4823 insts [ninsts ++] = &mono_defaults.int32_class->byval_arg;
4824 insts [ninsts ++] = &mono_defaults.uint32_class->byval_arg;
4825 insts [ninsts ++] = &mono_defaults.int64_class->byval_arg;
4826 insts [ninsts ++] = &mono_defaults.uint64_class->byval_arg;
4827 insts [ninsts ++] = &mono_defaults.single_class->byval_arg;
4828 insts [ninsts ++] = &mono_defaults.double_class->byval_arg;
4829 insts [ninsts ++] = &mono_defaults.char_class->byval_arg;
4830 insts [ninsts ++] = &mono_defaults.boolean_class->byval_arg;
4832 /* Add GenericComparer<T> instances for primitive types for Enum.ToString () */
4833 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "GenericComparer`1");
4835 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4836 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "GenericEqualityComparer`1");
4838 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4840 /* Add instances of EnumEqualityComparer which are created by EqualityComparer<T> for enums */
4842 MonoClass *enum_comparer;
4843 MonoType *insts [16];
4847 insts [ninsts ++] = &mono_defaults.int32_class->byval_arg;
4848 insts [ninsts ++] = &mono_defaults.uint32_class->byval_arg;
4849 insts [ninsts ++] = &mono_defaults.uint16_class->byval_arg;
4850 insts [ninsts ++] = &mono_defaults.byte_class->byval_arg;
4851 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "EnumEqualityComparer`1");
4852 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4855 insts [ninsts ++] = &mono_defaults.int16_class->byval_arg;
4856 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "ShortEnumEqualityComparer`1");
4857 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4860 insts [ninsts ++] = &mono_defaults.sbyte_class->byval_arg;
4861 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "SByteEnumEqualityComparer`1");
4862 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4864 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "LongEnumEqualityComparer`1");
4866 insts [ninsts ++] = &mono_defaults.int64_class->byval_arg;
4867 insts [ninsts ++] = &mono_defaults.uint64_class->byval_arg;
4868 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4871 /* Add instances of the array generic interfaces for primitive types */
4872 /* This will add instances of the InternalArray_ helper methods in Array too */
4873 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "ICollection`1");
4875 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4877 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "IList`1");
4879 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4881 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "IEnumerable`1");
4883 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4886 * Add a managed-to-native wrapper of Array.GetGenericValueImpl<object>, which is
4887 * used for all instances of GetGenericValueImpl by the AOT runtime.
4890 MonoGenericContext ctx;
4891 MonoType *args [16];
4892 MonoMethod *get_method;
4893 MonoClass *array_klass = mono_array_class_get (mono_defaults.object_class, 1)->parent;
4895 get_method = mono_class_get_method_from_name (array_klass, "GetGenericValueImpl", 2);
4899 memset (&ctx, 0, sizeof (ctx));
4900 args [0] = &mono_defaults.object_class->byval_arg;
4901 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4902 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (get_method, &ctx, &error), TRUE, TRUE));
4903 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4907 /* Same for CompareExchange<T>/Exchange<T> */
4909 MonoGenericContext ctx;
4910 MonoType *args [16];
4912 MonoClass *interlocked_klass = mono_class_load_from_name (mono_defaults.corlib, "System.Threading", "Interlocked");
4913 gpointer iter = NULL;
4915 while ((m = mono_class_get_methods (interlocked_klass, &iter))) {
4916 if ((!strcmp (m->name, "CompareExchange") || !strcmp (m->name, "Exchange")) && m->is_generic) {
4918 memset (&ctx, 0, sizeof (ctx));
4919 args [0] = &mono_defaults.object_class->byval_arg;
4920 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4921 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m, &ctx, &error), TRUE, TRUE));
4922 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4927 /* Same for Volatile.Read/Write<T> */
4929 MonoGenericContext ctx;
4930 MonoType *args [16];
4932 MonoClass *volatile_klass = mono_class_try_load_from_name (mono_defaults.corlib, "System.Threading", "Volatile");
4933 gpointer iter = NULL;
4935 if (volatile_klass) {
4936 while ((m = mono_class_get_methods (volatile_klass, &iter))) {
4937 if ((!strcmp (m->name, "Read") || !strcmp (m->name, "Write")) && m->is_generic) {
4939 memset (&ctx, 0, sizeof (ctx));
4940 args [0] = &mono_defaults.object_class->byval_arg;
4941 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4942 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m, &ctx, &error), TRUE, TRUE));
4943 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4949 /* object[] accessor wrappers. */
4950 for (i = 1; i < 4; ++i) {
4951 MonoClass *obj_array_class = mono_array_class_get (mono_defaults.object_class, i);
4954 m = mono_class_get_method_from_name (obj_array_class, "Get", i);
4957 m = mono_marshal_get_array_accessor_wrapper (m);
4958 add_extra_method (acfg, m);
4960 m = mono_class_get_method_from_name (obj_array_class, "Address", 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, "Set", i + 1);
4969 m = mono_marshal_get_array_accessor_wrapper (m);
4970 add_extra_method (acfg, m);
4976 * is_direct_callable:
4978 * Return whenever the method identified by JI is directly callable without
4979 * going through the PLT.
4982 is_direct_callable (MonoAotCompile *acfg, MonoMethod *method, MonoJumpInfo *patch_info)
4984 if ((patch_info->type == MONO_PATCH_INFO_METHOD) && (patch_info->data.method->klass->image == acfg->image)) {
4985 MonoCompile *callee_cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, patch_info->data.method);
4987 gboolean direct_callable = TRUE;
4989 if (direct_callable && !(!callee_cfg->has_got_slots && (callee_cfg->method->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT)))
4990 direct_callable = FALSE;
4991 if ((callee_cfg->method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) && (!method || method->wrapper_type != MONO_WRAPPER_SYNCHRONIZED))
4992 // FIXME: Maybe call the wrapper directly ?
4993 direct_callable = FALSE;
4995 if (acfg->aot_opts.soft_debug || acfg->aot_opts.no_direct_calls) {
4996 /* Disable this so all calls go through load_method (), see the
4997 * mini_get_debug_options ()->load_aot_jit_info_eagerly = TRUE; line in
4998 * mono_debugger_agent_init ().
5000 direct_callable = FALSE;
5003 if (callee_cfg->method->wrapper_type == MONO_WRAPPER_ALLOC)
5004 /* sgen does some initialization when the allocator method is created */
5005 direct_callable = FALSE;
5006 if (callee_cfg->method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER)
5007 /* we don't know at compile time whether sgen is concurrent or not */
5008 direct_callable = FALSE;
5010 if (direct_callable)
5013 } else if ((patch_info->type == MONO_PATCH_INFO_ICALL_ADDR_CALL && patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5014 if (acfg->aot_opts.direct_pinvoke)
5016 } else if (patch_info->type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
5017 if (acfg->aot_opts.direct_icalls)
5025 #ifdef MONO_ARCH_AOT_SUPPORTED
5027 get_pinvoke_import (MonoAotCompile *acfg, MonoMethod *method)
5029 MonoImage *image = method->klass->image;
5030 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
5031 MonoTableInfo *tables = image->tables;
5032 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
5033 MonoTableInfo *mr = &tables [MONO_TABLE_MODULEREF];
5034 guint32 im_cols [MONO_IMPLMAP_SIZE];
5037 import = (char *)g_hash_table_lookup (acfg->method_to_pinvoke_import, method);
5041 if (!piinfo->implmap_idx || piinfo->implmap_idx > im->rows)
5044 mono_metadata_decode_row (im, piinfo->implmap_idx - 1, im_cols, MONO_IMPLMAP_SIZE);
5046 if (!im_cols [MONO_IMPLMAP_SCOPE] || im_cols [MONO_IMPLMAP_SCOPE] > mr->rows)
5049 import = g_strdup_printf ("%s", mono_metadata_string_heap (image, im_cols [MONO_IMPLMAP_NAME]));
5051 g_hash_table_insert (acfg->method_to_pinvoke_import, method, import);
5057 get_pinvoke_import (MonoAotCompile *acfg, MonoMethod *method)
5064 compare_lne (MonoDebugLineNumberEntry *a, MonoDebugLineNumberEntry *b)
5066 if (a->native_offset == b->native_offset)
5067 return a->il_offset - b->il_offset;
5069 return a->native_offset - b->native_offset;
5073 * compute_line_numbers:
5075 * Returns a sparse array of size CODE_SIZE containing MonoDebugSourceLocation* entries for the native offsets which have a corresponding line number
5078 static MonoDebugSourceLocation**
5079 compute_line_numbers (MonoMethod *method, int code_size, MonoDebugMethodJitInfo *debug_info)
5081 MonoDebugMethodInfo *minfo;
5082 MonoDebugLineNumberEntry *ln_array;
5083 MonoDebugSourceLocation *loc;
5084 int i, prev_line, prev_il_offset;
5085 int *native_to_il_offset = NULL;
5086 MonoDebugSourceLocation **res;
5089 minfo = mono_debug_lookup_method (method);
5092 // FIXME: This seems to happen when two methods have the same cfg->method_to_register
5093 if (debug_info->code_size != code_size)
5096 g_assert (code_size);
5098 /* Compute the native->IL offset mapping */
5100 ln_array = g_new0 (MonoDebugLineNumberEntry, debug_info->num_line_numbers);
5101 memcpy (ln_array, debug_info->line_numbers, debug_info->num_line_numbers * sizeof (MonoDebugLineNumberEntry));
5103 qsort (ln_array, debug_info->num_line_numbers, sizeof (MonoDebugLineNumberEntry), (int (*)(const void *, const void *))compare_lne);
5105 native_to_il_offset = g_new0 (int, code_size + 1);
5107 for (i = 0; i < debug_info->num_line_numbers; ++i) {
5109 MonoDebugLineNumberEntry *lne = &ln_array [i];
5112 for (j = 0; j < lne->native_offset; ++j)
5113 native_to_il_offset [j] = -1;
5116 if (i < debug_info->num_line_numbers - 1) {
5117 MonoDebugLineNumberEntry *lne_next = &ln_array [i + 1];
5119 for (j = lne->native_offset; j < lne_next->native_offset; ++j)
5120 native_to_il_offset [j] = lne->il_offset;
5122 for (j = lne->native_offset; j < code_size; ++j)
5123 native_to_il_offset [j] = lne->il_offset;
5128 /* Compute the native->line number mapping */
5129 res = g_new0 (MonoDebugSourceLocation*, code_size);
5130 prev_il_offset = -1;
5133 for (i = 0; i < code_size; ++i) {
5134 int il_offset = native_to_il_offset [i];
5136 if (il_offset == -1 || il_offset == prev_il_offset)
5138 prev_il_offset = il_offset;
5139 loc = mono_debug_symfile_lookup_location (minfo, il_offset);
5140 if (!(loc && loc->source_file))
5142 if (loc->row == prev_line) {
5143 mono_debug_symfile_free_location (loc);
5146 prev_line = loc->row;
5147 //printf ("D: %s:%d il=%x native=%x\n", loc->source_file, loc->row, il_offset, i);
5149 /* This will cover the prolog too */
5159 get_file_index (MonoAotCompile *acfg, const char *source_file)
5163 // FIXME: Free these
5164 if (!acfg->dwarf_ln_filenames)
5165 acfg->dwarf_ln_filenames = g_hash_table_new (g_str_hash, g_str_equal);
5166 findex = GPOINTER_TO_INT (g_hash_table_lookup (acfg->dwarf_ln_filenames, source_file));
5168 findex = g_hash_table_size (acfg->dwarf_ln_filenames) + 1;
5169 g_hash_table_insert (acfg->dwarf_ln_filenames, g_strdup (source_file), GINT_TO_POINTER (findex));
5170 emit_unset_mode (acfg);
5171 fprintf (acfg->fp, ".file %d \"%s\"\n", findex, mono_dwarf_escape_path (source_file));
5183 * emit_and_reloc_code:
5185 * Emit the native code in CODE, handling relocations along the way. If GOT_ONLY
5186 * is true, calls are made through the GOT too. This is used for emitting trampolines
5187 * in full-aot mode, since calls made from trampolines couldn't go through the PLT,
5188 * since trampolines are needed to make PTL work.
5191 emit_and_reloc_code (MonoAotCompile *acfg, MonoMethod *method, guint8 *code, guint32 code_len, MonoJumpInfo *relocs, gboolean got_only, MonoDebugMethodJitInfo *debug_info)
5193 int i, pindex, start_index;
5195 MonoJumpInfo *patch_info;
5196 MonoDebugSourceLocation **locs = NULL;
5197 gboolean skip, prologue_end = FALSE;
5198 #ifdef MONO_ARCH_AOT_SUPPORTED
5199 gboolean direct_call, external_call;
5201 const char *direct_call_target = 0;
5202 const char *direct_pinvoke;
5205 if (acfg->gas_line_numbers && method && debug_info) {
5206 locs = compute_line_numbers (method, code_len, debug_info);
5208 int findex = get_file_index (acfg, "<unknown>");
5209 emit_unset_mode (acfg);
5210 fprintf (acfg->fp, ".loc %d %d 0\n", findex, 1);
5214 /* Collect and sort relocations */
5215 patches = g_ptr_array_new ();
5216 for (patch_info = relocs; patch_info; patch_info = patch_info->next)
5217 g_ptr_array_add (patches, patch_info);
5218 g_ptr_array_sort (patches, compare_patches);
5221 for (i = 0; i < code_len; i += INST_LEN) {
5223 for (pindex = start_index; pindex < patches->len; ++pindex) {
5224 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5225 if (patch_info->ip.i >= i)
5229 if (locs && locs [i]) {
5230 MonoDebugSourceLocation *loc = locs [i];
5232 const char *options;
5234 findex = get_file_index (acfg, loc->source_file);
5235 emit_unset_mode (acfg);
5237 options = " prologue_end";
5240 prologue_end = TRUE;
5241 fprintf (acfg->fp, ".loc %d %d 0%s\n", findex, loc->row, options);
5242 mono_debug_symfile_free_location (loc);
5246 #ifdef MONO_ARCH_AOT_SUPPORTED
5247 if (patch_info && (patch_info->ip.i == i) && (pindex < patches->len)) {
5248 start_index = pindex;
5250 switch (patch_info->type) {
5251 case MONO_PATCH_INFO_NONE:
5253 case MONO_PATCH_INFO_GOT_OFFSET: {
5256 arch_emit_got_offset (acfg, code + i, &code_size);
5257 i += code_size - INST_LEN;
5259 patch_info->type = MONO_PATCH_INFO_NONE;
5262 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
5263 int code_size, index;
5264 char *selector = (char *)patch_info->data.target;
5266 if (!acfg->objc_selector_to_index)
5267 acfg->objc_selector_to_index = g_hash_table_new (g_str_hash, g_str_equal);
5268 if (!acfg->objc_selectors)
5269 acfg->objc_selectors = g_ptr_array_new ();
5270 index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->objc_selector_to_index, selector));
5274 index = acfg->objc_selector_index;
5275 g_ptr_array_add (acfg->objc_selectors, (void*)patch_info->data.target);
5276 g_hash_table_insert (acfg->objc_selector_to_index, selector, GUINT_TO_POINTER (index + 1));
5277 acfg->objc_selector_index ++;
5280 arch_emit_objc_selector_ref (acfg, code + i, index, &code_size);
5281 i += code_size - INST_LEN;
5283 patch_info->type = MONO_PATCH_INFO_NONE;
5288 * If this patch is a call, try emitting a direct call instead of
5289 * through a PLT entry. This is possible if the called method is in
5290 * the same assembly and requires no initialization.
5292 direct_call = FALSE;
5293 external_call = FALSE;
5294 if ((patch_info->type == MONO_PATCH_INFO_METHOD) && (patch_info->data.method->klass->image == acfg->image)) {
5295 if (!got_only && is_direct_callable (acfg, method, patch_info)) {
5296 MonoCompile *callee_cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, patch_info->data.method);
5297 //printf ("DIRECT: %s %s\n", method ? mono_method_full_name (method, TRUE) : "", mono_method_full_name (callee_cfg->method, TRUE));
5299 direct_call_target = callee_cfg->asm_symbol;
5300 patch_info->type = MONO_PATCH_INFO_NONE;
5301 acfg->stats.direct_calls ++;
5304 acfg->stats.all_calls ++;
5305 } else if (patch_info->type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
5306 if (!got_only && is_direct_callable (acfg, method, patch_info)) {
5307 if (!(patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
5308 direct_pinvoke = mono_lookup_icall_symbol (patch_info->data.method);
5310 direct_pinvoke = get_pinvoke_import (acfg, patch_info->data.method);
5311 if (direct_pinvoke) {
5313 g_assert (strlen (direct_pinvoke) < 1000);
5314 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, direct_pinvoke);
5317 } else if (patch_info->type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
5318 const char *sym = mono_lookup_jit_icall_symbol (patch_info->data.name);
5319 if (!got_only && sym && acfg->aot_opts.direct_icalls) {
5320 /* Call to a C function implementing a jit icall */
5322 external_call = TRUE;
5323 g_assert (strlen (sym) < 1000);
5324 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, sym);
5326 } else if (patch_info->type == MONO_PATCH_INFO_INTERNAL_METHOD) {
5327 MonoJitICallInfo *info = mono_find_jit_icall_by_name (patch_info->data.name);
5328 const char *sym = mono_lookup_jit_icall_symbol (patch_info->data.name);
5329 if (!got_only && sym && acfg->aot_opts.direct_icalls && info->func == info->wrapper) {
5330 /* Call to a jit icall without a wrapper */
5332 external_call = TRUE;
5333 g_assert (strlen (sym) < 1000);
5334 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, sym);
5339 patch_info->type = MONO_PATCH_INFO_NONE;
5340 acfg->stats.direct_calls ++;
5343 if (!got_only && !direct_call) {
5344 MonoPltEntry *plt_entry = get_plt_entry (acfg, patch_info);
5346 /* This patch has a PLT entry, so we must emit a call to the PLT entry */
5348 direct_call_target = plt_entry->symbol;
5350 /* Nullify the patch */
5351 patch_info->type = MONO_PATCH_INFO_NONE;
5352 plt_entry->jit_used = TRUE;
5359 arch_emit_direct_call (acfg, direct_call_target, external_call, FALSE, patch_info, &call_size);
5360 i += call_size - INST_LEN;
5364 got_slot = get_got_offset (acfg, FALSE, patch_info);
5366 arch_emit_got_access (acfg, acfg->got_symbol, code + i, got_slot, &code_size);
5367 i += code_size - INST_LEN;
5373 #endif /* MONO_ARCH_AOT_SUPPORTED */
5376 /* Find next patch */
5378 for (pindex = start_index; pindex < patches->len; ++pindex) {
5379 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5380 if (patch_info->ip.i >= i)
5384 /* Try to emit multiple bytes at once */
5385 if (pindex < patches->len && patch_info->ip.i > i) {
5388 for (limit = i + INST_LEN; limit < patch_info->ip.i; limit += INST_LEN) {
5389 if (locs && locs [limit])
5393 emit_code_bytes (acfg, code + i, limit - i);
5394 i = limit - INST_LEN;
5396 emit_code_bytes (acfg, code + i, INST_LEN);
5407 * Return a modified version of S which only includes characters permissible in symbols.
5410 sanitize_symbol (MonoAotCompile *acfg, char *s)
5412 gboolean process = FALSE;
5421 for (i = 0; i < len; ++i)
5422 if (!(s [i] <= 0x7f && (isalnum (s [i]) || s [i] == '_')))
5427 gs = g_string_sized_new (len);
5428 for (i = 0; i < len; ++i) {
5430 if (c <= 0x7f && (isalnum (c) || c == '_')) {
5431 g_string_append_c (gs, c);
5432 } else if (c > 0x7f) {
5433 /* multi-byte utf8 */
5434 g_string_append_printf (gs, "_0x%x", c);
5437 while (c >> 6 == 0x2) {
5438 g_string_append_printf (gs, "%x", c);
5442 g_string_append_printf (gs, "_");
5445 g_string_append_c (gs, '_');
5449 res = mono_mempool_strdup (acfg->mempool, gs->str);
5450 g_string_free (gs, TRUE);
5455 get_debug_sym (MonoMethod *method, const char *prefix, GHashTable *cache)
5457 char *name1, *name2, *cached;
5458 int i, j, len, count;
5459 MonoMethod *cached_method;
5461 name1 = mono_method_full_name (method, TRUE);
5464 // This is so that we don't accidentally create a local symbol (which starts with 'L')
5465 if ((!prefix || !*prefix) && name1 [0] == 'L')
5469 #if defined(TARGET_WIN32) && defined(TARGET_X86)
5470 char adjustedPrefix [MAX_SYMBOL_SIZE];
5471 prefix = mangle_symbol (prefix, adjustedPrefix, G_N_ELEMENTS (adjustedPrefix));
5474 len = strlen (name1);
5475 name2 = (char *)malloc (strlen (prefix) + len + 16);
5476 memcpy (name2, prefix, strlen (prefix));
5477 j = strlen (prefix);
5478 for (i = 0; i < len; ++i) {
5479 if (i == 0 && name1 [0] >= '0' && name1 [0] <= '9') {
5481 } else if (isalnum (name1 [i])) {
5482 name2 [j ++] = name1 [i];
5483 } else if (name1 [i] == ' ' && name1 [i + 1] == '(' && name1 [i + 2] == ')') {
5485 } else if (name1 [i] == ',' && name1 [i + 1] == ' ') {
5488 } else if (name1 [i] == '(' || name1 [i] == ')' || name1 [i] == '>') {
5498 cached_method = (MonoMethod *)g_hash_table_lookup (cache, name2);
5499 if (!(cached_method && cached_method != method))
5501 sprintf (name2 + j, "_%d", count);
5505 cached = g_strdup (name2);
5506 g_hash_table_insert (cache, cached, method);
5512 emit_method_code (MonoAotCompile *acfg, MonoCompile *cfg)
5517 char *debug_sym = NULL;
5518 char *symbol = NULL;
5519 int func_alignment = AOT_FUNC_ALIGNMENT;
5522 method = cfg->orig_method;
5523 code = cfg->native_code;
5525 method_index = get_method_index (acfg, method);
5526 symbol = g_strdup_printf ("%sme_%x", acfg->temp_prefix, method_index);
5528 /* Make the labels local */
5529 emit_section_change (acfg, ".text", 0);
5530 emit_alignment_code (acfg, func_alignment);
5532 if (acfg->global_symbols && acfg->need_no_dead_strip)
5533 fprintf (acfg->fp, " .no_dead_strip %s\n", cfg->asm_symbol);
5535 emit_label (acfg, cfg->asm_symbol);
5537 if (acfg->aot_opts.write_symbols && !acfg->global_symbols && !acfg->llvm) {
5539 * Write a C style symbol for every method, this has two uses:
5540 * - it works on platforms where the dwarf debugging info is not
5542 * - it allows the setting of breakpoints of aot-ed methods.
5544 debug_sym = get_debug_sym (method, "", acfg->method_label_hash);
5545 cfg->asm_debug_symbol = g_strdup (debug_sym);
5547 if (acfg->need_no_dead_strip)
5548 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
5549 emit_local_symbol (acfg, debug_sym, symbol, TRUE);
5550 emit_label (acfg, debug_sym);
5553 export_name = (char *)g_hash_table_lookup (acfg->export_names, method);
5555 /* Emit a global symbol for the method */
5556 emit_global_inner (acfg, export_name, TRUE);
5557 emit_label (acfg, export_name);
5560 if (cfg->verbose_level > 0)
5561 g_print ("Method %s emitted as %s\n", mono_method_get_full_name (method), cfg->asm_symbol);
5563 acfg->stats.code_size += cfg->code_len;
5565 acfg->cfgs [method_index]->got_offset = acfg->got_offset;
5567 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 ()));
5571 if (acfg->aot_opts.write_symbols) {
5573 emit_symbol_size (acfg, debug_sym, ".");
5575 emit_symbol_size (acfg, cfg->asm_symbol, ".");
5579 emit_label (acfg, symbol);
5586 * Encode PATCH_INFO into its disk representation.
5589 encode_patch (MonoAotCompile *acfg, MonoJumpInfo *patch_info, guint8 *buf, guint8 **endbuf)
5593 switch (patch_info->type) {
5594 case MONO_PATCH_INFO_NONE:
5596 case MONO_PATCH_INFO_IMAGE:
5597 encode_value (get_image_index (acfg, patch_info->data.image), p, &p);
5599 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
5600 case MONO_PATCH_INFO_JIT_TLS_ID:
5601 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
5602 case MONO_PATCH_INFO_GC_NURSERY_START:
5603 case MONO_PATCH_INFO_GC_NURSERY_BITS:
5605 case MONO_PATCH_INFO_CASTCLASS_CACHE:
5606 encode_value (patch_info->data.index, p, &p);
5608 case MONO_PATCH_INFO_METHOD_REL:
5609 encode_value ((gint)patch_info->data.offset, p, &p);
5611 case MONO_PATCH_INFO_SWITCH: {
5612 gpointer *table = (gpointer *)patch_info->data.table->table;
5615 encode_value (patch_info->data.table->table_size, p, &p);
5616 for (k = 0; k < patch_info->data.table->table_size; k++)
5617 encode_value ((int)(gssize)table [k], p, &p);
5620 case MONO_PATCH_INFO_METHODCONST:
5621 case MONO_PATCH_INFO_METHOD:
5622 case MONO_PATCH_INFO_METHOD_JUMP:
5623 case MONO_PATCH_INFO_ICALL_ADDR:
5624 case MONO_PATCH_INFO_ICALL_ADDR_CALL:
5625 case MONO_PATCH_INFO_METHOD_RGCTX:
5626 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
5627 encode_method_ref (acfg, patch_info->data.method, p, &p);
5629 case MONO_PATCH_INFO_AOT_JIT_INFO:
5630 encode_value (patch_info->data.index, p, &p);
5632 case MONO_PATCH_INFO_INTERNAL_METHOD:
5633 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
5634 guint32 len = strlen (patch_info->data.name);
5636 encode_value (len, p, &p);
5638 memcpy (p, patch_info->data.name, len);
5643 case MONO_PATCH_INFO_LDSTR: {
5644 guint32 image_index = get_image_index (acfg, patch_info->data.token->image);
5645 guint32 token = patch_info->data.token->token;
5646 g_assert (mono_metadata_token_code (token) == MONO_TOKEN_STRING);
5647 encode_value (image_index, p, &p);
5648 encode_value (patch_info->data.token->token - MONO_TOKEN_STRING, p, &p);
5651 case MONO_PATCH_INFO_RVA:
5652 case MONO_PATCH_INFO_DECLSEC:
5653 case MONO_PATCH_INFO_LDTOKEN:
5654 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
5655 encode_value (get_image_index (acfg, patch_info->data.token->image), p, &p);
5656 encode_value (patch_info->data.token->token, p, &p);
5657 encode_value (patch_info->data.token->has_context, p, &p);
5658 if (patch_info->data.token->has_context)
5659 encode_generic_context (acfg, &patch_info->data.token->context, p, &p);
5661 case MONO_PATCH_INFO_EXC_NAME: {
5662 MonoClass *ex_class;
5665 mono_class_load_from_name (mono_defaults.exception_class->image,
5666 "System", (const char *)patch_info->data.target);
5667 encode_klass_ref (acfg, ex_class, p, &p);
5670 case MONO_PATCH_INFO_R4:
5671 encode_value (*((guint32 *)patch_info->data.target), p, &p);
5673 case MONO_PATCH_INFO_R8:
5674 encode_value (((guint32 *)patch_info->data.target) [MINI_LS_WORD_IDX], p, &p);
5675 encode_value (((guint32 *)patch_info->data.target) [MINI_MS_WORD_IDX], p, &p);
5677 case MONO_PATCH_INFO_VTABLE:
5678 case MONO_PATCH_INFO_CLASS:
5679 case MONO_PATCH_INFO_IID:
5680 case MONO_PATCH_INFO_ADJUSTED_IID:
5681 encode_klass_ref (acfg, patch_info->data.klass, p, &p);
5683 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
5684 encode_klass_ref (acfg, patch_info->data.del_tramp->klass, p, &p);
5685 if (patch_info->data.del_tramp->method) {
5686 encode_value (1, p, &p);
5687 encode_method_ref (acfg, patch_info->data.del_tramp->method, p, &p);
5689 encode_value (0, p, &p);
5691 encode_value (patch_info->data.del_tramp->is_virtual, p, &p);
5693 case MONO_PATCH_INFO_FIELD:
5694 case MONO_PATCH_INFO_SFLDA:
5695 encode_field_info (acfg, patch_info->data.field, p, &p);
5697 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
5699 case MONO_PATCH_INFO_RGCTX_FETCH:
5700 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
5701 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
5706 * entry->method has a lenghtly encoding and multiple rgctx_fetch entries
5707 * reference the same method, so encode the method only once.
5709 offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_blob_hash, entry->method));
5711 buf2 = (guint8 *)g_malloc (1024);
5714 encode_method_ref (acfg, entry->method, p2, &p2);
5715 g_assert (p2 - buf2 < 1024);
5717 offset = add_to_blob (acfg, buf2, p2 - buf2);
5720 g_hash_table_insert (acfg->method_blob_hash, entry->method, GUINT_TO_POINTER (offset + 1));
5725 encode_value (offset, p, &p);
5726 g_assert ((int)entry->info_type < 256);
5727 g_assert (entry->data->type < 256);
5728 encode_value ((entry->in_mrgctx ? 1 : 0) | (entry->info_type << 1) | (entry->data->type << 9), p, &p);
5729 encode_patch (acfg, entry->data, p, &p);
5732 case MONO_PATCH_INFO_SEQ_POINT_INFO:
5733 case MONO_PATCH_INFO_AOT_MODULE:
5735 case MONO_PATCH_INFO_SIGNATURE:
5736 case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
5737 encode_signature (acfg, (MonoMethodSignature*)patch_info->data.target, p, &p);
5739 case MONO_PATCH_INFO_TLS_OFFSET:
5740 encode_value (GPOINTER_TO_INT (patch_info->data.target), p, &p);
5742 case MONO_PATCH_INFO_GSHAREDVT_CALL:
5743 encode_signature (acfg, (MonoMethodSignature*)patch_info->data.gsharedvt->sig, p, &p);
5744 encode_method_ref (acfg, patch_info->data.gsharedvt->method, p, &p);
5746 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
5747 MonoGSharedVtMethodInfo *info = patch_info->data.gsharedvt_method;
5750 encode_method_ref (acfg, info->method, p, &p);
5751 encode_value (info->num_entries, p, &p);
5752 for (i = 0; i < info->num_entries; ++i) {
5753 MonoRuntimeGenericContextInfoTemplate *template_ = &info->entries [i];
5755 encode_value (template_->info_type, p, &p);
5756 switch (mini_rgctx_info_type_to_patch_info_type (template_->info_type)) {
5757 case MONO_PATCH_INFO_CLASS:
5758 encode_klass_ref (acfg, mono_class_from_mono_type ((MonoType *)template_->data), p, &p);
5760 case MONO_PATCH_INFO_FIELD:
5761 encode_field_info (acfg, (MonoClassField *)template_->data, p, &p);
5764 g_assert_not_reached ();
5770 case MONO_PATCH_INFO_LDSTR_LIT: {
5771 const char *s = (const char *)patch_info->data.target;
5772 int len = strlen (s);
5774 encode_value (len, p, &p);
5775 memcpy (p, s, len + 1);
5779 case MONO_PATCH_INFO_VIRT_METHOD:
5780 encode_klass_ref (acfg, patch_info->data.virt_method->klass, p, &p);
5781 encode_method_ref (acfg, patch_info->data.virt_method->method, p, &p);
5783 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
5786 g_warning ("unable to handle jump info %d", patch_info->type);
5787 g_assert_not_reached ();
5794 encode_patch_list (MonoAotCompile *acfg, GPtrArray *patches, int n_patches, gboolean llvm, int first_got_offset, guint8 *buf, guint8 **endbuf)
5797 guint32 pindex, offset;
5798 MonoJumpInfo *patch_info;
5800 encode_value (n_patches, p, &p);
5802 for (pindex = 0; pindex < patches->len; ++pindex) {
5803 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5805 if (patch_info->type == MONO_PATCH_INFO_NONE || patch_info->type == MONO_PATCH_INFO_BB)
5809 offset = get_got_offset (acfg, llvm, patch_info);
5810 encode_value (offset, p, &p);
5817 emit_method_info (MonoAotCompile *acfg, MonoCompile *cfg)
5820 int pindex, buf_size, n_patches;
5822 MonoJumpInfo *patch_info;
5823 guint32 method_index;
5825 guint32 first_got_offset;
5827 method = cfg->orig_method;
5829 method_index = get_method_index (acfg, method);
5831 /* Sort relocations */
5832 patches = g_ptr_array_new ();
5833 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next)
5834 g_ptr_array_add (patches, patch_info);
5835 g_ptr_array_sort (patches, compare_patches);
5837 first_got_offset = acfg->cfgs [method_index]->got_offset;
5839 /**********************/
5840 /* Encode method info */
5841 /**********************/
5843 buf_size = (patches->len < 1000) ? 40960 : 40960 + (patches->len * 64);
5844 p = buf = (guint8 *)g_malloc (buf_size);
5846 if (mono_class_get_cctor (method->klass)) {
5847 encode_value (1, p, &p);
5848 encode_klass_ref (acfg, method->klass, p, &p);
5850 /* Not needed when loading the method */
5851 encode_value (0, p, &p);
5854 g_assert (!(cfg->opt & MONO_OPT_SHARED));
5857 for (pindex = 0; pindex < patches->len; ++pindex) {
5858 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5860 if ((patch_info->type == MONO_PATCH_INFO_GOT_OFFSET) ||
5861 (patch_info->type == MONO_PATCH_INFO_NONE)) {
5862 patch_info->type = MONO_PATCH_INFO_NONE;
5867 if ((patch_info->type == MONO_PATCH_INFO_IMAGE) && (patch_info->data.image == acfg->image)) {
5868 /* Stored in a GOT slot initialized at module load time */
5869 patch_info->type = MONO_PATCH_INFO_NONE;
5873 if (patch_info->type == MONO_PATCH_INFO_GC_CARD_TABLE_ADDR ||
5874 patch_info->type == MONO_PATCH_INFO_GC_NURSERY_START ||
5875 patch_info->type == MONO_PATCH_INFO_GC_NURSERY_BITS ||
5876 patch_info->type == MONO_PATCH_INFO_AOT_MODULE) {
5877 /* Stored in a GOT slot initialized at module load time */
5878 patch_info->type = MONO_PATCH_INFO_NONE;
5882 if (is_plt_patch (patch_info) && !(cfg->compile_llvm && acfg->aot_opts.llvm_only)) {
5883 /* Calls are made through the PLT */
5884 patch_info->type = MONO_PATCH_INFO_NONE;
5892 g_assert (cfg->has_got_slots);
5894 encode_patch_list (acfg, patches, n_patches, cfg->compile_llvm, first_got_offset, p, &p);
5896 acfg->stats.info_size += p - buf;
5898 g_assert (p - buf < buf_size);
5900 cfg->method_info_offset = add_to_blob (acfg, buf, p - buf);
5905 get_unwind_info_offset (MonoAotCompile *acfg, guint8 *encoded, guint32 encoded_len)
5907 guint32 cache_index;
5910 /* Reuse the unwind module to canonize and store unwind info entries */
5911 cache_index = mono_cache_unwind_info (encoded, encoded_len);
5913 /* Use +/- 1 to distinguish 0s from missing entries */
5914 offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->unwind_info_offsets, GUINT_TO_POINTER (cache_index + 1)));
5922 * It would be easier to use assembler symbols, but the caller needs an
5925 offset = acfg->unwind_info_offset;
5926 g_hash_table_insert (acfg->unwind_info_offsets, GUINT_TO_POINTER (cache_index + 1), GUINT_TO_POINTER (offset + 1));
5927 g_ptr_array_add (acfg->unwind_ops, GUINT_TO_POINTER (cache_index));
5930 encode_value (encoded_len, p, &p);
5932 acfg->unwind_info_offset += encoded_len + (p - buf);
5938 emit_exception_debug_info (MonoAotCompile *acfg, MonoCompile *cfg, gboolean store_seq_points)
5941 guint32 debug_info_size, seq_points_size;
5943 MonoMethodHeader *header;
5944 guint8 *p, *buf, *debug_info;
5945 MonoJitInfo *jinfo = cfg->jit_info;
5947 gboolean use_unwind_ops = FALSE;
5948 MonoSeqPointInfo *seq_points;
5950 code = cfg->native_code;
5951 header = cfg->header;
5953 if (!acfg->aot_opts.nodebug) {
5954 mono_debug_serialize_debug_info (cfg, &debug_info, &debug_info_size);
5957 debug_info_size = 0;
5960 seq_points = cfg->seq_point_info;
5961 seq_points_size = (store_seq_points)? mono_seq_point_info_get_write_size (seq_points) : 0;
5963 buf_size = header->num_clauses * 256 + debug_info_size + 2048 + seq_points_size + cfg->gc_map_size;
5965 p = buf = (guint8 *)g_malloc (buf_size);
5967 use_unwind_ops = cfg->unwind_ops != NULL;
5969 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);
5971 encode_value (flags, p, &p);
5973 if (use_unwind_ops) {
5974 guint32 encoded_len;
5976 guint32 unwind_desc;
5978 encoded = mono_unwind_ops_encode (cfg->unwind_ops, &encoded_len);
5980 unwind_desc = get_unwind_info_offset (acfg, encoded, encoded_len);
5981 encode_value (unwind_desc, p, &p);
5983 encode_value (jinfo->unwind_info, p, &p);
5986 /*Encode the number of holes before the number of clauses to make decoding easier*/
5987 if (jinfo->has_try_block_holes) {
5988 MonoTryBlockHoleTableJitInfo *table = mono_jit_info_get_try_block_hole_table_info (jinfo);
5989 encode_value (table->num_holes, p, &p);
5992 if (jinfo->has_arch_eh_info) {
5994 * In AOT mode, the code length is calculated from the address of the previous method,
5995 * which could include alignment padding, so calculating the start of the epilog as
5996 * code_len - epilog_size is correct any more. Save the real code len as a workaround.
5998 encode_value (jinfo->code_size, p, &p);
6001 /* Exception table */
6002 if (cfg->compile_llvm) {
6004 * When using LLVM, we can't emit some data, like pc offsets, this reg/offset etc.,
6005 * since the information is only available to llc. Instead, we let llc save the data
6006 * into the LSDA, and read it from there at runtime.
6008 /* The assembly might be CIL stripped so emit the data ourselves */
6009 if (header->num_clauses)
6010 encode_value (header->num_clauses, p, &p);
6012 for (k = 0; k < header->num_clauses; ++k) {
6013 MonoExceptionClause *clause;
6015 clause = &header->clauses [k];
6017 encode_value (clause->flags, p, &p);
6018 if (clause->data.catch_class) {
6019 encode_value (1, p, &p);
6020 encode_klass_ref (acfg, clause->data.catch_class, p, &p);
6022 encode_value (0, p, &p);
6025 /* Emit the IL ranges too, since they might not be available at runtime */
6026 encode_value (clause->try_offset, p, &p);
6027 encode_value (clause->try_len, p, &p);
6028 encode_value (clause->handler_offset, p, &p);
6029 encode_value (clause->handler_len, p, &p);
6031 /* Emit a list of nesting clauses */
6032 for (i = 0; i < header->num_clauses; ++i) {
6034 MonoExceptionClause *clause1 = &header->clauses [cindex1];
6036 MonoExceptionClause *clause2 = &header->clauses [cindex2];
6038 if (cindex1 != cindex2 && clause1->try_offset >= clause2->try_offset && clause1->handler_offset <= clause2->handler_offset)
6039 encode_value (i, p, &p);
6041 encode_value (-1, p, &p);
6044 if (jinfo->num_clauses)
6045 encode_value (jinfo->num_clauses, p, &p);
6047 for (k = 0; k < jinfo->num_clauses; ++k) {
6048 MonoJitExceptionInfo *ei = &jinfo->clauses [k];
6050 encode_value (ei->flags, p, &p);
6051 #ifdef MONO_CONTEXT_SET_LLVM_EXC_REG
6052 /* Not used for catch clauses */
6053 if (ei->flags != MONO_EXCEPTION_CLAUSE_NONE)
6054 encode_value (ei->exvar_offset, p, &p);
6056 encode_value (ei->exvar_offset, p, &p);
6059 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER || ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
6060 encode_value ((gint)((guint8*)ei->data.filter - code), p, &p);
6062 if (ei->data.catch_class) {
6066 buf2 = (guint8 *)g_malloc (4096);
6068 encode_klass_ref (acfg, ei->data.catch_class, p2, &p2);
6070 g_assert (len < 4096);
6071 encode_value (len, p, &p);
6072 memcpy (p, buf2, len);
6076 encode_value (0, p, &p);
6080 encode_value ((gint)((guint8*)ei->try_start - code), p, &p);
6081 encode_value ((gint)((guint8*)ei->try_end - code), p, &p);
6082 encode_value ((gint)((guint8*)ei->handler_start - code), p, &p);
6086 if (jinfo->has_try_block_holes) {
6087 MonoTryBlockHoleTableJitInfo *table = mono_jit_info_get_try_block_hole_table_info (jinfo);
6088 for (i = 0; i < table->num_holes; ++i) {
6089 MonoTryBlockHoleJitInfo *hole = &table->holes [i];
6090 encode_value (hole->clause, p, &p);
6091 encode_value (hole->length, p, &p);
6092 encode_value (hole->offset, p, &p);
6096 if (jinfo->has_arch_eh_info) {
6097 MonoArchEHJitInfo *eh_info;
6099 eh_info = mono_jit_info_get_arch_eh_info (jinfo);
6100 encode_value (eh_info->stack_size, p, &p);
6101 encode_value (eh_info->epilog_size, p, &p);
6104 if (jinfo->has_generic_jit_info) {
6105 MonoGenericJitInfo *gi = mono_jit_info_get_generic_jit_info (jinfo);
6106 MonoGenericSharingContext* gsctx = gi->generic_sharing_context;
6110 encode_value (gi->nlocs, p, &p);
6112 for (i = 0; i < gi->nlocs; ++i) {
6113 MonoDwarfLocListEntry *entry = &gi->locations [i];
6115 encode_value (entry->is_reg ? 1 : 0, p, &p);
6116 encode_value (entry->reg, p, &p);
6118 encode_value (entry->offset, p, &p);
6120 g_assert (entry->from == 0);
6122 encode_value (entry->from, p, &p);
6123 encode_value (entry->to, p, &p);
6126 if (!cfg->compile_llvm) {
6127 encode_value (gi->has_this ? 1 : 0, p, &p);
6128 encode_value (gi->this_reg, p, &p);
6129 encode_value (gi->this_offset, p, &p);
6134 * Need to encode jinfo->method too, since it is not equal to 'method'
6135 * when using generic sharing.
6137 buf2 = (guint8 *)g_malloc (4096);
6139 encode_method_ref (acfg, jinfo->d.method, p2, &p2);
6141 g_assert (len < 4096);
6142 encode_value (len, p, &p);
6143 memcpy (p, buf2, len);
6147 if (gsctx && gsctx->is_gsharedvt) {
6148 encode_value (1, p, &p);
6150 encode_value (0, p, &p);
6154 if (seq_points_size)
6155 p += mono_seq_point_info_write (seq_points, p);
6157 g_assert (debug_info_size < buf_size);
6159 encode_value (debug_info_size, p, &p);
6160 if (debug_info_size) {
6161 memcpy (p, debug_info, debug_info_size);
6162 p += debug_info_size;
6163 g_free (debug_info);
6168 encode_value (cfg->gc_map_size, p, &p);
6169 /* The GC map requires 4 bytes of alignment */
6170 while ((gsize)p % 4)
6172 memcpy (p, cfg->gc_map, cfg->gc_map_size);
6173 p += cfg->gc_map_size;
6176 acfg->stats.ex_info_size += p - buf;
6178 g_assert (p - buf < buf_size);
6181 /* The GC Map requires 4 byte alignment */
6182 cfg->ex_info_offset = add_to_blob_aligned (acfg, buf, p - buf, cfg->gc_map ? 4 : 1);
6187 emit_klass_info (MonoAotCompile *acfg, guint32 token)
6190 MonoClass *klass = mono_class_get_checked (acfg->image, token, &error);
6192 int i, buf_size, res;
6193 gboolean no_special_static, cant_encode;
6194 gpointer iter = NULL;
6197 mono_error_cleanup (&error);
6201 p = buf = (guint8 *)g_malloc (buf_size);
6203 /* Mark as unusable */
6204 encode_value (-1, p, &p);
6206 res = add_to_blob (acfg, buf, p - buf);
6212 buf_size = 10240 + (klass->vtable_size * 16);
6213 p = buf = (guint8 *)g_malloc (buf_size);
6217 mono_class_init (klass);
6219 mono_class_get_nested_types (klass, &iter);
6220 g_assert (klass->nested_classes_inited);
6222 mono_class_setup_vtable (klass);
6225 * Emit all the information which is required for creating vtables so
6226 * the runtime does not need to create the MonoMethod structures which
6227 * take up a lot of space.
6230 no_special_static = !mono_class_has_special_static_fields (klass);
6232 /* Check whenever we have enough info to encode the vtable */
6233 cant_encode = FALSE;
6234 for (i = 0; i < klass->vtable_size; ++i) {
6235 MonoMethod *cm = klass->vtable [i];
6237 if (cm && mono_method_signature (cm)->is_inflated && !g_hash_table_lookup (acfg->token_info_hash, cm))
6241 mono_class_has_finalizer (klass);
6243 if (klass->generic_container || cant_encode) {
6244 encode_value (-1, p, &p);
6246 encode_value (klass->vtable_size, p, &p);
6247 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);
6248 if (klass->has_cctor)
6249 encode_method_ref (acfg, mono_class_get_cctor (klass), p, &p);
6250 if (klass->has_finalize)
6251 encode_method_ref (acfg, mono_class_get_finalizer (klass), p, &p);
6253 encode_value (klass->instance_size, p, &p);
6254 encode_value (mono_class_data_size (klass), p, &p);
6255 encode_value (klass->packing_size, p, &p);
6256 encode_value (klass->min_align, p, &p);
6258 for (i = 0; i < klass->vtable_size; ++i) {
6259 MonoMethod *cm = klass->vtable [i];
6262 encode_method_ref (acfg, cm, p, &p);
6264 encode_value (0, p, &p);
6268 acfg->stats.class_info_size += p - buf;
6270 g_assert (p - buf < buf_size);
6271 res = add_to_blob (acfg, buf, p - buf);
6278 get_plt_entry_debug_sym (MonoAotCompile *acfg, MonoJumpInfo *ji, GHashTable *cache)
6280 char *debug_sym = NULL;
6283 if (acfg->llvm && llvm_acfg->aot_opts.static_link) {
6284 /* Need to add a prefix to create unique symbols */
6285 prefix = g_strdup_printf ("plt_%s_", acfg->assembly_name_sym);
6287 #if defined(TARGET_WIN32) && defined(TARGET_X86)
6288 prefix = mangle_symbol_alloc ("plt_");
6290 prefix = g_strdup ("plt_");
6295 case MONO_PATCH_INFO_METHOD:
6296 debug_sym = get_debug_sym (ji->data.method, prefix, cache);
6298 case MONO_PATCH_INFO_INTERNAL_METHOD:
6299 debug_sym = g_strdup_printf ("%s_jit_icall_%s", prefix, ji->data.name);
6301 case MONO_PATCH_INFO_RGCTX_FETCH:
6302 debug_sym = g_strdup_printf ("%s_rgctx_fetch_%d", prefix, acfg->label_generator ++);
6304 case MONO_PATCH_INFO_ICALL_ADDR:
6305 case MONO_PATCH_INFO_ICALL_ADDR_CALL: {
6306 char *s = get_debug_sym (ji->data.method, "", cache);
6308 debug_sym = g_strdup_printf ("%s_icall_native_%s", prefix, s);
6312 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
6313 debug_sym = g_strdup_printf ("%s_jit_icall_native_%s", prefix, ji->data.name);
6321 return sanitize_symbol (acfg, debug_sym);
6325 * Calls made from AOTed code are routed through a table of jumps similar to the
6326 * ELF PLT (Program Linkage Table). Initially the PLT entries jump to code which transfers
6327 * control to the AOT runtime through a trampoline.
6330 emit_plt (MonoAotCompile *acfg)
6334 if (acfg->aot_opts.llvm_only) {
6335 g_assert (acfg->plt_offset == 1);
6341 emit_section_change (acfg, ".text", 0);
6342 emit_alignment_code (acfg, 16);
6343 emit_info_symbol (acfg, "plt");
6344 emit_label (acfg, acfg->plt_symbol);
6346 for (i = 0; i < acfg->plt_offset; ++i) {
6347 char *debug_sym = NULL;
6348 MonoPltEntry *plt_entry = NULL;
6352 * The first plt entry is unused.
6356 plt_entry = (MonoPltEntry *)g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
6358 debug_sym = plt_entry->debug_sym;
6360 if (acfg->thumb_mixed && !plt_entry->jit_used)
6361 /* Emit only a thumb version */
6364 /* Skip plt entries not actually called */
6365 if (!plt_entry->jit_used && !plt_entry->llvm_used)
6368 if (acfg->llvm && !acfg->thumb_mixed) {
6369 emit_label (acfg, plt_entry->llvm_symbol);
6371 emit_global_inner (acfg, plt_entry->llvm_symbol, TRUE);
6372 #if defined(TARGET_MACH)
6373 fprintf (acfg->fp, ".private_extern %s\n", plt_entry->llvm_symbol);
6379 if (acfg->need_no_dead_strip) {
6380 emit_unset_mode (acfg);
6381 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
6383 emit_local_symbol (acfg, debug_sym, NULL, TRUE);
6384 emit_label (acfg, debug_sym);
6387 emit_label (acfg, plt_entry->symbol);
6389 arch_emit_plt_entry (acfg, acfg->got_symbol, (acfg->plt_got_offset_base + i) * sizeof (gpointer), acfg->plt_got_info_offsets [i]);
6392 emit_symbol_size (acfg, debug_sym, ".");
6395 if (acfg->thumb_mixed) {
6396 /* Make sure the ARM symbols don't alias the thumb ones */
6397 emit_zero_bytes (acfg, 16);
6400 * Emit a separate set of PLT entries using thumb2 which is called by LLVM generated
6403 for (i = 0; i < acfg->plt_offset; ++i) {
6404 char *debug_sym = NULL;
6405 MonoPltEntry *plt_entry = NULL;
6410 plt_entry = (MonoPltEntry *)g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
6412 /* Skip plt entries not actually called by LLVM code */
6413 if (!plt_entry->llvm_used)
6416 if (acfg->aot_opts.write_symbols) {
6417 if (plt_entry->debug_sym)
6418 debug_sym = g_strdup_printf ("%s_thumb", plt_entry->debug_sym);
6422 #if defined(TARGET_MACH)
6423 fprintf (acfg->fp, " .thumb_func %s\n", debug_sym);
6424 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
6426 emit_local_symbol (acfg, debug_sym, NULL, TRUE);
6427 emit_label (acfg, debug_sym);
6429 fprintf (acfg->fp, "\n.thumb_func\n");
6431 emit_label (acfg, plt_entry->llvm_symbol);
6434 emit_global_inner (acfg, plt_entry->llvm_symbol, TRUE);
6436 arch_emit_llvm_plt_entry (acfg, acfg->got_symbol, (acfg->plt_got_offset_base + i) * sizeof (gpointer), acfg->plt_got_info_offsets [i]);
6439 emit_symbol_size (acfg, debug_sym, ".");
6445 emit_symbol_size (acfg, acfg->plt_symbol, ".");
6447 emit_info_symbol (acfg, "plt_end");
6451 * emit_trampoline_full:
6453 * If EMIT_TINFO is TRUE, emit additional information which can be used to create a MonoJitInfo for this trampoline by
6454 * create_jit_info_for_trampoline ().
6456 static G_GNUC_UNUSED void
6457 emit_trampoline_full (MonoAotCompile *acfg, int got_offset, MonoTrampInfo *info, gboolean emit_tinfo)
6459 char start_symbol [MAX_SYMBOL_SIZE];
6460 char end_symbol [MAX_SYMBOL_SIZE];
6461 char symbol [MAX_SYMBOL_SIZE];
6462 guint32 buf_size, info_offset;
6463 MonoJumpInfo *patch_info;
6476 code_size = info->code_size;
6478 unwind_ops = info->unwind_ops;
6482 sprintf (start_symbol, "%s%s", acfg->user_symbol_prefix, name);
6484 emit_section_change (acfg, ".text", 0);
6485 emit_global (acfg, start_symbol, TRUE);
6486 emit_alignment_code (acfg, AOT_FUNC_ALIGNMENT);
6487 emit_label (acfg, start_symbol);
6489 sprintf (symbol, "%snamed_%s", acfg->temp_prefix, name);
6490 emit_label (acfg, symbol);
6493 * The code should access everything through the GOT, so we pass
6496 emit_and_reloc_code (acfg, NULL, code, code_size, ji, TRUE, NULL);
6498 emit_symbol_size (acfg, start_symbol, ".");
6501 sprintf (end_symbol, "%snamede_%s", acfg->temp_prefix, name);
6502 emit_label (acfg, end_symbol);
6507 /* Sort relocations */
6508 patches = g_ptr_array_new ();
6509 for (patch_info = ji; patch_info; patch_info = patch_info->next)
6510 if (patch_info->type != MONO_PATCH_INFO_NONE)
6511 g_ptr_array_add (patches, patch_info);
6512 g_ptr_array_sort (patches, compare_patches);
6514 buf_size = patches->len * 128 + 128;
6515 buf = (guint8 *)g_malloc (buf_size);
6518 encode_patch_list (acfg, patches, patches->len, FALSE, got_offset, p, &p);
6519 g_assert (p - buf < buf_size);
6521 sprintf (symbol, "%s%s_p", acfg->user_symbol_prefix, name);
6523 info_offset = add_to_blob (acfg, buf, p - buf);
6525 emit_section_change (acfg, RODATA_SECT, 0);
6526 emit_global (acfg, symbol, FALSE);
6527 emit_label (acfg, symbol);
6529 emit_int32 (acfg, info_offset);
6533 guint32 encoded_len;
6537 * Emit additional information which can be used to reconstruct a partial MonoTrampInfo.
6539 encoded = mono_unwind_ops_encode (info->unwind_ops, &encoded_len);
6540 uw_offset = get_unwind_info_offset (acfg, encoded, encoded_len);
6543 emit_symbol_diff (acfg, end_symbol, start_symbol, 0);
6544 emit_int32 (acfg, uw_offset);
6547 /* Emit debug info */
6549 char symbol2 [MAX_SYMBOL_SIZE];
6551 sprintf (symbol, "%s", name);
6552 sprintf (symbol2, "%snamed_%s", acfg->temp_prefix, name);
6555 mono_dwarf_writer_emit_trampoline (acfg->dwarf, symbol, symbol2, NULL, NULL, code_size, unwind_ops);
6559 static G_GNUC_UNUSED void
6560 emit_trampoline (MonoAotCompile *acfg, int got_offset, MonoTrampInfo *info)
6562 emit_trampoline_full (acfg, got_offset, info, TRUE);
6566 emit_trampolines (MonoAotCompile *acfg)
6568 char symbol [MAX_SYMBOL_SIZE];
6569 char end_symbol [MAX_SYMBOL_SIZE];
6570 int i, tramp_got_offset;
6572 #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
6576 if (!mono_aot_mode_is_full (&acfg->aot_opts) || acfg->aot_opts.llvm_only)
6579 g_assert (acfg->image->assembly);
6581 /* Currently, we emit most trampolines into the mscorlib AOT image. */
6582 if (strcmp (acfg->image->assembly->aname.name, "mscorlib") == 0) {
6583 #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
6584 MonoTrampInfo *info;
6587 * Emit the generic trampolines.
6589 * We could save some code by treating the generic trampolines as a wrapper
6590 * method, but that approach has its own complexities, so we choose the simpler
6593 for (tramp_type = 0; tramp_type < MONO_TRAMPOLINE_NUM; ++tramp_type) {
6594 /* we overload the boolean here to indicate the slightly different trampoline needed, see mono_arch_create_generic_trampoline() */
6595 #ifdef DISABLE_REMOTING
6596 if (tramp_type == MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING)
6599 #ifndef MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD
6600 if (tramp_type == MONO_TRAMPOLINE_HANDLER_BLOCK_GUARD)
6603 mono_arch_create_generic_trampoline ((MonoTrampolineType)tramp_type, &info, acfg->aot_opts.use_trampolines_page? 2: TRUE);
6604 emit_trampoline (acfg, acfg->got_offset, info);
6607 /* Emit the exception related code pieces */
6608 mono_arch_get_restore_context (&info, TRUE);
6609 emit_trampoline (acfg, acfg->got_offset, info);
6610 mono_arch_get_call_filter (&info, TRUE);
6611 emit_trampoline (acfg, acfg->got_offset, info);
6612 mono_arch_get_throw_exception (&info, TRUE);
6613 emit_trampoline (acfg, acfg->got_offset, info);
6614 mono_arch_get_rethrow_exception (&info, TRUE);
6615 emit_trampoline (acfg, acfg->got_offset, info);
6616 mono_arch_get_throw_corlib_exception (&info, TRUE);
6617 emit_trampoline (acfg, acfg->got_offset, info);
6619 #ifdef MONO_ARCH_HAVE_SDB_TRAMPOLINES
6620 mono_arch_create_sdb_trampoline (TRUE, &info, TRUE);
6621 emit_trampoline (acfg, acfg->got_offset, info);
6622 mono_arch_create_sdb_trampoline (FALSE, &info, TRUE);
6623 emit_trampoline (acfg, acfg->got_offset, info);
6626 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
6627 mono_arch_get_gsharedvt_trampoline (&info, TRUE);
6629 emit_trampoline_full (acfg, acfg->got_offset, info, TRUE);
6631 /* Create a separate out trampoline for more information in stack traces */
6632 info->name = g_strdup ("gsharedvt_out_trampoline");
6633 emit_trampoline_full (acfg, acfg->got_offset, info, TRUE);
6637 #if defined(MONO_ARCH_HAVE_GET_TRAMPOLINES)
6639 GSList *l = mono_arch_get_trampolines (TRUE);
6642 MonoTrampInfo *info = (MonoTrampInfo *)l->data;
6644 emit_trampoline (acfg, acfg->got_offset, info);
6650 for (i = 0; i < acfg->aot_opts.nrgctx_fetch_trampolines; ++i) {
6653 offset = MONO_RGCTX_SLOT_MAKE_RGCTX (i);
6654 mono_arch_create_rgctx_lazy_fetch_trampoline (offset, &info, TRUE);
6655 emit_trampoline (acfg, acfg->got_offset, info);
6657 offset = MONO_RGCTX_SLOT_MAKE_MRGCTX (i);
6658 mono_arch_create_rgctx_lazy_fetch_trampoline (offset, &info, TRUE);
6659 emit_trampoline (acfg, acfg->got_offset, info);
6662 #ifdef MONO_ARCH_HAVE_GENERAL_RGCTX_LAZY_FETCH_TRAMPOLINE
6663 mono_arch_create_general_rgctx_lazy_fetch_trampoline (&info, TRUE);
6664 emit_trampoline (acfg, acfg->got_offset, info);
6670 /* delegate_invoke_impl trampolines */
6671 l = mono_arch_get_delegate_invoke_impls ();
6673 MonoTrampInfo *info = (MonoTrampInfo *)l->data;
6675 emit_trampoline (acfg, acfg->got_offset, info);
6680 #endif /* #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES */
6682 /* Emit trampolines which are numerous */
6685 * These include the following:
6686 * - specific trampolines
6687 * - static rgctx invoke trampolines
6689 * These trampolines have the same code, they are parameterized by GOT
6691 * They are defined in this file, in the arch_... routines instead of
6692 * in tramp-<ARCH>.c, since it is easier to do it this way.
6696 * When running in aot-only mode, we can't create specific trampolines at
6697 * runtime, so we create a few, and save them in the AOT file.
6698 * Normal trampolines embed their argument as a literal inside the
6699 * trampoline code, we can't do that here, so instead we embed an offset
6700 * which needs to be added to the trampoline address to get the address of
6701 * the GOT slot which contains the argument value.
6702 * The generated trampolines jump to the generic trampolines using another
6703 * GOT slot, which will be setup by the AOT loader to point to the
6704 * generic trampoline code of the given type.
6708 * FIXME: Maybe we should use more specific trampolines (i.e. one class init for
6712 emit_section_change (acfg, ".text", 0);
6714 tramp_got_offset = acfg->got_offset;
6716 for (ntype = 0; ntype < MONO_AOT_TRAMP_NUM; ++ntype) {
6718 case MONO_AOT_TRAMP_SPECIFIC:
6719 sprintf (symbol, "specific_trampolines");
6721 case MONO_AOT_TRAMP_STATIC_RGCTX:
6722 sprintf (symbol, "static_rgctx_trampolines");
6724 case MONO_AOT_TRAMP_IMT_THUNK:
6725 sprintf (symbol, "imt_thunks");
6727 case MONO_AOT_TRAMP_GSHAREDVT_ARG:
6728 sprintf (symbol, "gsharedvt_arg_trampolines");
6731 g_assert_not_reached ();
6734 sprintf (end_symbol, "%s_e", symbol);
6736 if (acfg->aot_opts.write_symbols)
6737 emit_local_symbol (acfg, symbol, end_symbol, TRUE);
6739 emit_alignment_code (acfg, AOT_FUNC_ALIGNMENT);
6740 emit_info_symbol (acfg, symbol);
6742 acfg->trampoline_got_offset_base [ntype] = tramp_got_offset;
6744 for (i = 0; i < acfg->num_trampolines [ntype]; ++i) {
6748 case MONO_AOT_TRAMP_SPECIFIC:
6749 arch_emit_specific_trampoline (acfg, tramp_got_offset, &tramp_size);
6750 tramp_got_offset += 2;
6752 case MONO_AOT_TRAMP_STATIC_RGCTX:
6753 arch_emit_static_rgctx_trampoline (acfg, tramp_got_offset, &tramp_size);
6754 tramp_got_offset += 2;
6756 case MONO_AOT_TRAMP_IMT_THUNK:
6757 arch_emit_imt_thunk (acfg, tramp_got_offset, &tramp_size);
6758 tramp_got_offset += 1;
6760 case MONO_AOT_TRAMP_GSHAREDVT_ARG:
6761 arch_emit_gsharedvt_arg_trampoline (acfg, tramp_got_offset, &tramp_size);
6762 tramp_got_offset += 2;
6765 g_assert_not_reached ();
6767 if (!acfg->trampoline_size [ntype]) {
6768 g_assert (tramp_size);
6769 acfg->trampoline_size [ntype] = tramp_size;
6773 emit_label (acfg, end_symbol);
6774 emit_int32 (acfg, 0);
6777 arch_emit_specific_trampoline_pages (acfg);
6779 /* Reserve some entries at the end of the GOT for our use */
6780 acfg->num_trampoline_got_entries = tramp_got_offset - acfg->got_offset;
6783 acfg->got_offset += acfg->num_trampoline_got_entries;
6787 str_begins_with (const char *str1, const char *str2)
6789 int len = strlen (str2);
6790 return strncmp (str1, str2, len) == 0;
6794 mono_aot_readonly_field_override (MonoClassField *field)
6797 for (rdv = readonly_values; rdv; rdv = rdv->next) {
6798 char *p = rdv->name;
6800 len = strlen (field->parent->name_space);
6801 if (strncmp (p, field->parent->name_space, len))
6806 len = strlen (field->parent->name);
6807 if (strncmp (p, field->parent->name, len))
6812 if (strcmp (p, field->name))
6814 switch (rdv->type) {
6816 return &rdv->value.i1;
6818 return &rdv->value.i2;
6820 return &rdv->value.i4;
6829 add_readonly_value (MonoAotOptions *opts, const char *val)
6834 /* the format of val is:
6835 * namespace.typename.fieldname=type/value
6836 * type can be i1 for uint8/int8/boolean, i2 for uint16/int16/char, i4 for uint32/int32
6838 fval = strrchr (val, '/');
6840 fprintf (stderr, "AOT : invalid format for readonly field '%s', missing /.\n", val);
6843 tval = strrchr (val, '=');
6845 fprintf (stderr, "AOT : invalid format for readonly field '%s', missing =.\n", val);
6848 rdv = g_new0 (ReadOnlyValue, 1);
6849 rdv->name = (char *)g_malloc0 (tval - val + 1);
6850 memcpy (rdv->name, val, tval - val);
6853 if (strncmp (tval, "i1", 2) == 0) {
6854 rdv->value.i1 = atoi (fval);
6855 rdv->type = MONO_TYPE_I1;
6856 } else if (strncmp (tval, "i2", 2) == 0) {
6857 rdv->value.i2 = atoi (fval);
6858 rdv->type = MONO_TYPE_I2;
6859 } else if (strncmp (tval, "i4", 2) == 0) {
6860 rdv->value.i4 = atoi (fval);
6861 rdv->type = MONO_TYPE_I4;
6863 fprintf (stderr, "AOT : unsupported type for readonly field '%s'.\n", tval);
6866 rdv->next = readonly_values;
6867 readonly_values = rdv;
6871 clean_path (gchar * path)
6876 if (g_str_has_suffix (path, G_DIR_SEPARATOR_S))
6879 gchar *clean = g_strconcat (path, G_DIR_SEPARATOR_S, NULL);
6886 wrap_path (gchar * path)
6892 // If the string contains no spaces, just return the original string.
6893 if (strstr (path, " ") == NULL)
6896 // If the string is already wrapped in quotes, return it.
6897 len = strlen (path);
6898 if (len >= 2 && path[0] == '\"' && path[len-1] == '\"')
6901 // If the string contains spaces, then wrap it in quotes.
6902 gchar *clean = g_strdup_printf ("\"%s\"", path);
6907 // Duplicate a char range and add it to a ptrarray, but only if it is nonempty
6909 ptr_array_add_range_if_nonempty(GPtrArray *args, gchar const *start, gchar const *end)
6911 ptrdiff_t len = end-start;
6913 g_ptr_array_add (args, g_strndup (start, len));
6917 mono_aot_split_options (const char *aot_options)
6919 enum MonoAotOptionState {
6920 MONO_AOT_OPTION_STATE_DEFAULT,
6921 MONO_AOT_OPTION_STATE_STRING,
6922 MONO_AOT_OPTION_STATE_ESCAPE,
6925 GPtrArray *args = g_ptr_array_new ();
6926 enum MonoAotOptionState state = MONO_AOT_OPTION_STATE_DEFAULT;
6927 gchar const *opt_start = aot_options;
6928 gboolean end_of_string = FALSE;
6931 g_return_val_if_fail (aot_options != NULL, NULL);
6933 while ((cur = *aot_options) != '\0') {
6934 if (state == MONO_AOT_OPTION_STATE_ESCAPE)
6939 // If we find a quote, then if we're in the default case then
6940 // it means we've found the start of a string, if not then it
6941 // means we've found the end of the string and should switch
6942 // back to the default case.
6944 case MONO_AOT_OPTION_STATE_DEFAULT:
6945 state = MONO_AOT_OPTION_STATE_STRING;
6947 case MONO_AOT_OPTION_STATE_STRING:
6948 state = MONO_AOT_OPTION_STATE_DEFAULT;
6950 case MONO_AOT_OPTION_STATE_ESCAPE:
6951 g_assert_not_reached ();
6956 // If we've found an escaping operator, then this means we
6957 // should not process the next character if inside a string.
6958 if (state == MONO_AOT_OPTION_STATE_STRING)
6959 state = MONO_AOT_OPTION_STATE_ESCAPE;
6962 // If we're in the default state then this means we've found
6963 // an option, store it for later processing.
6964 if (state == MONO_AOT_OPTION_STATE_DEFAULT)
6972 // If the next character is end of string, then process the last option.
6973 if (*(aot_options) == '\0') {
6974 end_of_string = TRUE;
6980 ptr_array_add_range_if_nonempty (args, opt_start, aot_options);
6981 opt_start = ++aot_options;
6984 goto restart; // Check for null and continue loop
6991 mono_aot_parse_options (const char *aot_options, MonoAotOptions *opts)
6995 args = mono_aot_split_options (aot_options ? aot_options : "");
6996 for (int i = 0; i < args->len; ++i) {
6997 const char *arg = (const char *)g_ptr_array_index (args, i);
6999 if (str_begins_with (arg, "outfile=")) {
7000 opts->outfile = g_strdup (arg + strlen ("outfile="));
7001 } else if (str_begins_with (arg, "llvm-outfile=")) {
7002 opts->llvm_outfile = g_strdup (arg + strlen ("llvm-outfile="));
7003 } else if (str_begins_with (arg, "temp-path=")) {
7004 opts->temp_path = clean_path (g_strdup (arg + strlen ("temp-path=")));
7005 } else if (str_begins_with (arg, "save-temps")) {
7006 opts->save_temps = TRUE;
7007 } else if (str_begins_with (arg, "keep-temps")) {
7008 opts->save_temps = TRUE;
7009 } else if (str_begins_with (arg, "write-symbols")) {
7010 opts->write_symbols = TRUE;
7011 } else if (str_begins_with (arg, "no-write-symbols")) {
7012 opts->write_symbols = FALSE;
7013 } else if (str_begins_with (arg, "metadata-only")) {
7014 opts->metadata_only = TRUE;
7015 } else if (str_begins_with (arg, "bind-to-runtime-version")) {
7016 opts->bind_to_runtime_version = TRUE;
7017 } else if (str_begins_with (arg, "full")) {
7018 opts->mode = MONO_AOT_MODE_FULL;
7019 } else if (str_begins_with (arg, "hybrid")) {
7020 opts->mode = MONO_AOT_MODE_HYBRID;
7021 } else if (str_begins_with (arg, "threads=")) {
7022 opts->nthreads = atoi (arg + strlen ("threads="));
7023 } else if (str_begins_with (arg, "static")) {
7024 opts->static_link = TRUE;
7025 opts->no_dlsym = TRUE;
7026 } else if (str_begins_with (arg, "asmonly")) {
7027 opts->asm_only = TRUE;
7028 } else if (str_begins_with (arg, "asmwriter")) {
7029 opts->asm_writer = TRUE;
7030 } else if (str_begins_with (arg, "nodebug")) {
7031 opts->nodebug = TRUE;
7032 } else if (str_begins_with (arg, "dwarfdebug")) {
7033 opts->dwarf_debug = TRUE;
7034 } else if (str_begins_with (arg, "nopagetrampolines")) {
7035 opts->use_trampolines_page = FALSE;
7036 } else if (str_begins_with (arg, "ntrampolines=")) {
7037 opts->ntrampolines = atoi (arg + strlen ("ntrampolines="));
7038 } else if (str_begins_with (arg, "nrgctx-trampolines=")) {
7039 opts->nrgctx_trampolines = atoi (arg + strlen ("nrgctx-trampolines="));
7040 } else if (str_begins_with (arg, "nrgctx-fetch-trampolines=")) {
7041 opts->nrgctx_fetch_trampolines = atoi (arg + strlen ("nrgctx-fetch-trampolines="));
7042 } else if (str_begins_with (arg, "nimt-trampolines=")) {
7043 opts->nimt_trampolines = atoi (arg + strlen ("nimt-trampolines="));
7044 } else if (str_begins_with (arg, "ngsharedvt-trampolines=")) {
7045 opts->ngsharedvt_arg_trampolines = atoi (arg + strlen ("ngsharedvt-trampolines="));
7046 } else if (str_begins_with (arg, "tool-prefix=")) {
7047 opts->tool_prefix = g_strdup (arg + strlen ("tool-prefix="));
7048 } else if (str_begins_with (arg, "ld-flags=")) {
7049 opts->ld_flags = g_strdup (arg + strlen ("ld-flags="));
7050 } else if (str_begins_with (arg, "soft-debug")) {
7051 opts->soft_debug = TRUE;
7052 } else if (str_begins_with (arg, "gen-seq-points-file=")) {
7053 debug_options.gen_seq_points_compact_data = TRUE;
7054 opts->gen_seq_points_file = TRUE;
7055 opts->gen_seq_points_file_path = g_strdup (arg + strlen ("gen-seq-points-file="));;
7056 } else if (str_begins_with (arg, "gen-seq-points-file")) {
7057 debug_options.gen_seq_points_compact_data = TRUE;
7058 opts->gen_seq_points_file = TRUE;
7059 } else if (str_begins_with (arg, "direct-pinvoke")) {
7060 opts->direct_pinvoke = TRUE;
7061 } else if (str_begins_with (arg, "direct-icalls")) {
7062 opts->direct_icalls = TRUE;
7063 } else if (str_begins_with (arg, "no-direct-calls")) {
7064 opts->no_direct_calls = TRUE;
7065 } else if (str_begins_with (arg, "print-skipped")) {
7066 opts->print_skipped_methods = TRUE;
7067 } else if (str_begins_with (arg, "stats")) {
7069 } else if (str_begins_with (arg, "no-instances")) {
7070 opts->no_instances = TRUE;
7071 } else if (str_begins_with (arg, "log-generics")) {
7072 opts->log_generics = TRUE;
7073 } else if (str_begins_with (arg, "log-instances=")) {
7074 opts->log_instances = TRUE;
7075 opts->instances_logfile_path = g_strdup (arg + strlen ("log-instances="));
7076 } else if (str_begins_with (arg, "log-instances")) {
7077 opts->log_instances = TRUE;
7078 } else if (str_begins_with (arg, "internal-logfile=")) {
7079 opts->logfile = g_strdup (arg + strlen ("internal-logfile="));
7080 } else if (str_begins_with (arg, "mtriple=")) {
7081 opts->mtriple = g_strdup (arg + strlen ("mtriple="));
7082 } else if (str_begins_with (arg, "llvm-path=")) {
7083 opts->llvm_path = clean_path (g_strdup (arg + strlen ("llvm-path=")));
7084 } else if (!strcmp (arg, "llvm")) {
7086 } else if (str_begins_with (arg, "readonly-value=")) {
7087 add_readonly_value (opts, arg + strlen ("readonly-value="));
7088 } else if (str_begins_with (arg, "info")) {
7089 printf ("AOT target setup: %s.\n", AOT_TARGET_STR);
7091 } else if (str_begins_with (arg, "gc-maps")) {
7092 mini_gc_enable_gc_maps_for_aot ();
7093 } else if (str_begins_with (arg, "dump")) {
7094 opts->dump_json = TRUE;
7095 } else if (str_begins_with (arg, "llvmonly")) {
7096 opts->mode = MONO_AOT_MODE_FULL;
7098 opts->llvm_only = TRUE;
7099 } else if (str_begins_with (arg, "data-outfile=")) {
7100 opts->data_outfile = g_strdup (arg + strlen ("data-outfile="));
7101 } else if (str_begins_with (arg, "help") || str_begins_with (arg, "?")) {
7102 printf ("Supported options for --aot:\n");
7103 printf (" outfile=\n");
7104 printf (" llvm-outfile=\n");
7105 printf (" llvm-path=\n");
7106 printf (" temp-path=\n");
7107 printf (" save-temps\n");
7108 printf (" keep-temps\n");
7109 printf (" write-symbols\n");
7110 printf (" metadata-only\n");
7111 printf (" bind-to-runtime-version\n");
7113 printf (" threads=\n");
7114 printf (" static\n");
7115 printf (" asmonly\n");
7116 printf (" asmwriter\n");
7117 printf (" nodebug\n");
7118 printf (" dwarfdebug\n");
7119 printf (" ntrampolines=\n");
7120 printf (" nrgctx-trampolines=\n");
7121 printf (" nimt-trampolines=\n");
7122 printf (" ngsharedvt-trampolines=\n");
7123 printf (" tool-prefix=\n");
7124 printf (" readonly-value=\n");
7125 printf (" soft-debug\n");
7126 printf (" gen-seq-points-file\n");
7127 printf (" gc-maps\n");
7128 printf (" print-skipped\n");
7129 printf (" no-instances\n");
7130 printf (" stats\n");
7133 printf (" help/?\n");
7136 fprintf (stderr, "AOT : Unknown argument '%s'.\n", arg);
7140 g_free ((gpointer) arg);
7143 if (opts->use_trampolines_page) {
7144 opts->ntrampolines = 0;
7145 opts->nrgctx_trampolines = 0;
7146 opts->nimt_trampolines = 0;
7147 opts->ngsharedvt_arg_trampolines = 0;
7150 g_ptr_array_free (args, /*free_seg=*/TRUE);
7154 add_token_info_hash (gpointer key, gpointer value, gpointer user_data)
7156 MonoMethod *method = (MonoMethod*)key;
7157 MonoJumpInfoToken *ji = (MonoJumpInfoToken*)value;
7158 MonoAotCompile *acfg = (MonoAotCompile *)user_data;
7159 MonoJumpInfoToken *new_ji;
7161 new_ji = (MonoJumpInfoToken *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfoToken));
7162 new_ji->image = ji->image;
7163 new_ji->token = ji->token;
7164 g_hash_table_insert (acfg->token_info_hash, method, new_ji);
7168 can_encode_class (MonoAotCompile *acfg, MonoClass *klass)
7170 if (klass->type_token)
7172 if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR) || (klass->byval_arg.type == MONO_TYPE_PTR))
7175 return can_encode_class (acfg, klass->element_class);
7180 can_encode_method (MonoAotCompile *acfg, MonoMethod *method)
7182 if (method->wrapper_type) {
7183 switch (method->wrapper_type) {
7184 case MONO_WRAPPER_NONE:
7185 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
7186 case MONO_WRAPPER_XDOMAIN_INVOKE:
7187 case MONO_WRAPPER_STFLD:
7188 case MONO_WRAPPER_LDFLD:
7189 case MONO_WRAPPER_LDFLDA:
7190 case MONO_WRAPPER_STFLD_REMOTE:
7191 case MONO_WRAPPER_STELEMREF:
7192 case MONO_WRAPPER_ISINST:
7193 case MONO_WRAPPER_PROXY_ISINST:
7194 case MONO_WRAPPER_ALLOC:
7195 case MONO_WRAPPER_REMOTING_INVOKE:
7196 case MONO_WRAPPER_UNKNOWN:
7197 case MONO_WRAPPER_WRITE_BARRIER:
7198 case MONO_WRAPPER_DELEGATE_INVOKE:
7199 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE:
7200 case MONO_WRAPPER_DELEGATE_END_INVOKE:
7201 case MONO_WRAPPER_SYNCHRONIZED:
7203 case MONO_WRAPPER_MANAGED_TO_MANAGED:
7204 case MONO_WRAPPER_CASTCLASS: {
7205 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
7214 //printf ("Skip (wrapper call): %d -> %s\n", patch_info->type, mono_method_full_name (patch_info->data.method, TRUE));
7218 if (!method->token) {
7219 /* The method is part of a constructed type like Int[,].Set (). */
7220 if (!g_hash_table_lookup (acfg->token_info_hash, method)) {
7221 if (method->klass->rank)
7231 can_encode_patch (MonoAotCompile *acfg, MonoJumpInfo *patch_info)
7233 switch (patch_info->type) {
7234 case MONO_PATCH_INFO_METHOD:
7235 case MONO_PATCH_INFO_METHODCONST:
7236 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
7237 MonoMethod *method = patch_info->data.method;
7239 return can_encode_method (acfg, method);
7241 case MONO_PATCH_INFO_VTABLE:
7242 case MONO_PATCH_INFO_CLASS:
7243 case MONO_PATCH_INFO_IID:
7244 case MONO_PATCH_INFO_ADJUSTED_IID:
7245 if (!can_encode_class (acfg, patch_info->data.klass)) {
7246 //printf ("Skip: %s\n", mono_type_full_name (&patch_info->data.klass->byval_arg));
7250 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
7251 if (!can_encode_class (acfg, patch_info->data.del_tramp->klass)) {
7252 //printf ("Skip: %s\n", mono_type_full_name (&patch_info->data.klass->byval_arg));
7257 case MONO_PATCH_INFO_RGCTX_FETCH:
7258 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
7259 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
7261 if (!can_encode_method (acfg, entry->method))
7263 if (!can_encode_patch (acfg, entry->data))
7275 is_concrete_type (MonoType *t)
7280 if (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR)
7282 if (t->type == MONO_TYPE_GENERICINST) {
7283 MonoGenericContext *orig_ctx;
7284 MonoGenericInst *inst;
7287 if (!MONO_TYPE_ISSTRUCT (t))
7289 klass = mono_class_from_mono_type (t);
7290 orig_ctx = &klass->generic_class->context;
7292 inst = orig_ctx->class_inst;
7294 for (i = 0; i < inst->type_argc; ++i) {
7295 arg = mini_get_underlying_type (inst->type_argv [i]);
7296 if (!is_concrete_type (arg))
7300 inst = orig_ctx->method_inst;
7302 for (i = 0; i < inst->type_argc; ++i) {
7303 arg = mini_get_underlying_type (inst->type_argv [i]);
7304 if (!is_concrete_type (arg))
7312 /* LOCKING: Assumes the loader lock is held */
7314 add_gsharedvt_wrappers (MonoAotCompile *acfg, MonoMethodSignature *sig, gboolean gsharedvt_in, gboolean gsharedvt_out)
7316 MonoMethod *wrapper;
7317 gboolean concrete = TRUE;
7318 gboolean add_in = gsharedvt_in;
7319 gboolean add_out = gsharedvt_out;
7321 if (gsharedvt_in && g_hash_table_lookup (acfg->gsharedvt_in_signatures, sig))
7323 if (gsharedvt_out && g_hash_table_lookup (acfg->gsharedvt_out_signatures, sig))
7326 if (!add_in && !add_out)
7329 if (mini_is_gsharedvt_variable_signature (sig))
7333 g_hash_table_insert (acfg->gsharedvt_in_signatures, sig, sig);
7335 g_hash_table_insert (acfg->gsharedvt_out_signatures, sig, sig);
7337 if (!sig->has_type_parameters) {
7338 //printf ("%s\n", mono_signature_full_name (sig));
7341 wrapper = mini_get_gsharedvt_in_sig_wrapper (sig);
7342 add_extra_method (acfg, wrapper);
7344 if (gsharedvt_out) {
7345 wrapper = mini_get_gsharedvt_out_sig_wrapper (sig);
7346 add_extra_method (acfg, wrapper);
7349 /* For signatures creared during generic sharing, convert them to a concrete signature if possible */
7350 MonoMethodSignature *copy = mono_metadata_signature_dup (sig);
7353 //printf ("%s\n", mono_signature_full_name (sig));
7355 copy->ret = mini_get_underlying_type (sig->ret);
7356 if (!is_concrete_type (copy->ret))
7358 for (i = 0; i < sig->param_count; ++i) {
7359 copy->params [i] = mini_get_underlying_type (sig->params [i]);
7360 if (!is_concrete_type (copy->params [i]))
7364 copy->has_type_parameters = 0;
7367 wrapper = mini_get_gsharedvt_in_sig_wrapper (copy);
7368 add_extra_method (acfg, wrapper);
7371 if (gsharedvt_out) {
7372 wrapper = mini_get_gsharedvt_out_sig_wrapper (copy);
7373 add_extra_method (acfg, wrapper);
7376 //printf ("%s\n", mono_method_full_name (wrapper, 1));
7384 * AOT compile a given method.
7385 * This function might be called by multiple threads, so it must be thread-safe.
7388 compile_method (MonoAotCompile *acfg, MonoMethod *method)
7391 MonoJumpInfo *patch_info;
7394 MonoMethod *wrapped;
7398 if (acfg->aot_opts.metadata_only)
7401 mono_acfg_lock (acfg);
7402 index = get_method_index (acfg, method);
7403 mono_acfg_unlock (acfg);
7405 /* fixme: maybe we can also precompile wrapper methods */
7406 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
7407 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
7408 (method->flags & METHOD_ATTRIBUTE_ABSTRACT)) {
7409 //printf ("Skip (impossible): %s\n", mono_method_full_name (method, TRUE));
7413 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
7416 wrapped = mono_marshal_method_from_wrapper (method);
7417 if (wrapped && (wrapped->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) && wrapped->is_generic)
7418 // FIXME: The wrapper should be generic too, but it is not
7421 if (method->wrapper_type == MONO_WRAPPER_COMINTEROP)
7424 InterlockedIncrement (&acfg->stats.mcount);
7427 if (method->is_generic || method->klass->generic_container) {
7428 InterlockedIncrement (&acfg->stats.genericcount);
7433 //acfg->aot_opts.print_skipped_methods = TRUE;
7436 * Since these methods are the only ones which are compiled with
7437 * AOT support, and they are not used by runtime startup/shutdown code,
7438 * the runtime will not see AOT methods during AOT compilation,so it
7439 * does not need to support them by creating a fake GOT etc.
7441 flags = JIT_FLAG_AOT;
7442 if (mono_aot_mode_is_full (&acfg->aot_opts))
7443 flags = (JitFlags)(flags | JIT_FLAG_FULL_AOT);
7445 flags = (JitFlags)(flags | JIT_FLAG_LLVM);
7446 if (acfg->aot_opts.llvm_only)
7447 flags = (JitFlags)(flags | JIT_FLAG_LLVM_ONLY | JIT_FLAG_EXPLICIT_NULL_CHECKS);
7448 if (acfg->aot_opts.no_direct_calls)
7449 flags = (JitFlags)(flags | JIT_FLAG_NO_DIRECT_ICALLS);
7451 jit_timer = mono_time_track_start ();
7452 cfg = mini_method_compile (method, acfg->opts, mono_get_root_domain (), flags, 0, index);
7453 mono_time_track_end (&mono_jit_stats.jit_time, jit_timer);
7455 if (cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
7456 if (acfg->aot_opts.print_skipped_methods)
7457 printf ("Skip (gshared failure): %s (%s)\n", mono_method_get_full_name (method), cfg->exception_message);
7458 InterlockedIncrement (&acfg->stats.genericcount);
7461 if (cfg->exception_type != MONO_EXCEPTION_NONE) {
7462 if (acfg->aot_opts.print_skipped_methods)
7463 printf ("Skip (JIT failure): %s\n", mono_method_get_full_name (method));
7464 /* Let the exception happen at runtime */
7468 if (cfg->disable_aot) {
7469 if (acfg->aot_opts.print_skipped_methods)
7470 printf ("Skip (disabled): %s\n", mono_method_get_full_name (method));
7471 InterlockedIncrement (&acfg->stats.ocount);
7472 mono_destroy_compile (cfg);
7475 cfg->method_index = index;
7477 /* Nullify patches which need no aot processing */
7478 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7479 switch (patch_info->type) {
7480 case MONO_PATCH_INFO_LABEL:
7481 case MONO_PATCH_INFO_BB:
7482 patch_info->type = MONO_PATCH_INFO_NONE;
7489 /* Collect method->token associations from the cfg */
7490 mono_acfg_lock (acfg);
7491 g_hash_table_foreach (cfg->token_info_hash, add_token_info_hash, acfg);
7492 mono_acfg_unlock (acfg);
7493 g_hash_table_destroy (cfg->token_info_hash);
7494 cfg->token_info_hash = NULL;
7497 * Check for absolute addresses.
7500 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7501 switch (patch_info->type) {
7502 case MONO_PATCH_INFO_ABS:
7503 /* unable to handle this */
7512 if (acfg->aot_opts.print_skipped_methods)
7513 printf ("Skip (abs call): %s\n", mono_method_get_full_name (method));
7514 InterlockedIncrement (&acfg->stats.abscount);
7515 mono_destroy_compile (cfg);
7519 /* Lock for the rest of the code */
7520 mono_acfg_lock (acfg);
7523 acfg->stats.method_categories [METHOD_CAT_GSHAREDVT] ++;
7524 else if (cfg->gshared)
7525 acfg->stats.method_categories [METHOD_CAT_INST] ++;
7526 else if (cfg->method->wrapper_type)
7527 acfg->stats.method_categories [METHOD_CAT_WRAPPER] ++;
7529 acfg->stats.method_categories [METHOD_CAT_NORMAL] ++;
7532 * Check for methods/klasses we can't encode.
7535 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7536 if (!can_encode_patch (acfg, patch_info))
7541 if (acfg->aot_opts.print_skipped_methods)
7542 printf ("Skip (patches): %s\n", mono_method_get_full_name (method));
7543 acfg->stats.ocount++;
7544 mono_destroy_compile (cfg);
7545 mono_acfg_unlock (acfg);
7549 if (!cfg->compile_llvm)
7550 acfg->has_jitted_code = TRUE;
7552 if (method->is_inflated && acfg->aot_opts.log_instances) {
7553 if (acfg->instances_logfile)
7554 fprintf (acfg->instances_logfile, "%s ### %d\n", mono_method_get_full_name (method), cfg->code_size);
7556 printf ("%s ### %d\n", mono_method_get_full_name (method), cfg->code_size);
7559 /* Adds generic instances referenced by this method */
7561 * The depth is used to avoid infinite loops when generic virtual recursion is
7564 depth = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_depth, method));
7565 if (!acfg->aot_opts.no_instances && depth < 32) {
7566 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7567 switch (patch_info->type) {
7568 case MONO_PATCH_INFO_RGCTX_FETCH:
7569 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX:
7570 case MONO_PATCH_INFO_METHOD: {
7571 MonoMethod *m = NULL;
7573 if (patch_info->type == MONO_PATCH_INFO_RGCTX_FETCH || patch_info->type == MONO_PATCH_INFO_RGCTX_SLOT_INDEX) {
7574 MonoJumpInfoRgctxEntry *e = patch_info->data.rgctx_entry;
7576 if (e->info_type == MONO_RGCTX_INFO_GENERIC_METHOD_CODE)
7577 m = e->data->data.method;
7579 m = patch_info->data.method;
7584 if (m->is_inflated) {
7585 if (!(mono_class_generic_sharing_enabled (m->klass) &&
7586 mono_method_is_generic_sharable_full (m, FALSE, FALSE, FALSE)) &&
7587 (!method_has_type_vars (m) || mono_method_is_generic_sharable_full (m, TRUE, TRUE, FALSE))) {
7588 if (m->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
7589 if (mono_aot_mode_is_full (&acfg->aot_opts) && !method_has_type_vars (m))
7590 add_extra_method_with_depth (acfg, mono_marshal_get_native_wrapper (m, TRUE, TRUE), depth + 1);
7592 add_extra_method_with_depth (acfg, m, depth + 1);
7593 add_types_from_method_header (acfg, m);
7596 add_generic_class_with_depth (acfg, m->klass, depth + 5, "method");
7598 if (m->wrapper_type == MONO_WRAPPER_MANAGED_TO_MANAGED) {
7599 WrapperInfo *info = mono_marshal_get_wrapper_info (m);
7601 if (info && info->subtype == WRAPPER_SUBTYPE_ELEMENT_ADDR)
7602 add_extra_method_with_depth (acfg, m, depth + 1);
7606 case MONO_PATCH_INFO_VTABLE: {
7607 MonoClass *klass = patch_info->data.klass;
7609 if (klass->generic_class && !mini_class_is_generic_sharable (klass))
7610 add_generic_class_with_depth (acfg, klass, depth + 5, "vtable");
7613 case MONO_PATCH_INFO_SFLDA: {
7614 MonoClass *klass = patch_info->data.field->parent;
7616 /* The .cctor needs to run at runtime. */
7617 if (klass->generic_class && !mono_generic_context_is_sharable_full (&klass->generic_class->context, FALSE, FALSE) && mono_class_get_cctor (klass))
7618 add_extra_method_with_depth (acfg, mono_class_get_cctor (klass), depth + 1);
7627 /* Determine whenever the method has GOT slots */
7628 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7629 switch (patch_info->type) {
7630 case MONO_PATCH_INFO_GOT_OFFSET:
7631 case MONO_PATCH_INFO_NONE:
7632 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
7633 case MONO_PATCH_INFO_GC_NURSERY_START:
7634 case MONO_PATCH_INFO_GC_NURSERY_BITS:
7636 case MONO_PATCH_INFO_IMAGE:
7637 /* The assembly is stored in GOT slot 0 */
7638 if (patch_info->data.image != acfg->image)
7639 cfg->has_got_slots = TRUE;
7642 if (!is_plt_patch (patch_info) || (cfg->compile_llvm && acfg->aot_opts.llvm_only))
7643 cfg->has_got_slots = TRUE;
7648 if (!cfg->has_got_slots)
7649 InterlockedIncrement (&acfg->stats.methods_without_got_slots);
7651 /* Add gsharedvt wrappers for signatures used by the method */
7652 if (acfg->aot_opts.llvm_only) {
7655 if (!cfg->method->wrapper_type || cfg->method->wrapper_type == MONO_WRAPPER_DELEGATE_INVOKE)
7656 /* These only need out wrappers */
7657 add_gsharedvt_wrappers (acfg, mono_method_signature (cfg->method), FALSE, TRUE);
7659 for (l = cfg->signatures; l; l = l->next) {
7660 MonoMethodSignature *sig = mono_metadata_signature_dup ((MonoMethodSignature*)l->data);
7662 /* These only need in wrappers */
7663 add_gsharedvt_wrappers (acfg, sig, TRUE, FALSE);
7668 * FIXME: Instead of this mess, allocate the patches from the aot mempool.
7670 /* Make a copy of the patch info which is in the mempool */
7672 MonoJumpInfo *patches = NULL, *patches_end = NULL;
7674 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7675 MonoJumpInfo *new_patch_info = mono_patch_info_dup_mp (acfg->mempool, patch_info);
7678 patches = new_patch_info;
7680 patches_end->next = new_patch_info;
7681 patches_end = new_patch_info;
7683 cfg->patch_info = patches;
7685 /* Make a copy of the unwind info */
7687 GSList *l, *unwind_ops;
7691 for (l = cfg->unwind_ops; l; l = l->next) {
7692 op = (MonoUnwindOp *)mono_mempool_alloc (acfg->mempool, sizeof (MonoUnwindOp));
7693 memcpy (op, l->data, sizeof (MonoUnwindOp));
7694 unwind_ops = g_slist_prepend_mempool (acfg->mempool, unwind_ops, op);
7696 cfg->unwind_ops = g_slist_reverse (unwind_ops);
7698 /* Make a copy of the argument/local info */
7701 MonoInst **args, **locals;
7702 MonoMethodSignature *sig;
7703 MonoMethodHeader *header;
7706 sig = mono_method_signature (method);
7707 args = (MonoInst **)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst*) * (sig->param_count + sig->hasthis));
7708 for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
7709 args [i] = (MonoInst *)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst));
7710 memcpy (args [i], cfg->args [i], sizeof (MonoInst));
7714 header = mono_method_get_header_checked (method, &error);
7715 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
7716 locals = (MonoInst **)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst*) * header->num_locals);
7717 for (i = 0; i < header->num_locals; ++i) {
7718 locals [i] = (MonoInst *)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst));
7719 memcpy (locals [i], cfg->locals [i], sizeof (MonoInst));
7721 cfg->locals = locals;
7724 /* Free some fields used by cfg to conserve memory */
7725 mono_mempool_destroy (cfg->mempool);
7726 cfg->mempool = NULL;
7727 g_free (cfg->varinfo);
7728 cfg->varinfo = NULL;
7732 mono_regstate_free (cfg->rs);
7736 //printf ("Compile: %s\n", mono_method_full_name (method, TRUE));
7738 while (index >= acfg->cfgs_size) {
7739 MonoCompile **new_cfgs;
7742 new_size = acfg->cfgs_size * 2;
7743 new_cfgs = g_new0 (MonoCompile*, new_size);
7744 memcpy (new_cfgs, acfg->cfgs, sizeof (MonoCompile*) * acfg->cfgs_size);
7745 g_free (acfg->cfgs);
7746 acfg->cfgs = new_cfgs;
7747 acfg->cfgs_size = new_size;
7749 acfg->cfgs [index] = cfg;
7751 g_hash_table_insert (acfg->method_to_cfg, cfg->orig_method, cfg);
7753 mono_update_jit_stats (cfg);
7756 if (cfg->orig_method->wrapper_type)
7757 g_ptr_array_add (acfg->extra_methods, cfg->orig_method);
7760 mono_acfg_unlock (acfg);
7762 InterlockedIncrement (&acfg->stats.ccount);
7766 compile_thread_main (gpointer *user_data)
7768 MonoDomain *domain = (MonoDomain *)user_data [0];
7769 MonoAotCompile *acfg = (MonoAotCompile *)user_data [1];
7770 GPtrArray *methods = (GPtrArray *)user_data [2];
7774 MonoThread *thread = mono_thread_attach (domain);
7775 mono_thread_set_name_internal (thread->internal_thread, mono_string_new (mono_get_root_domain (), "AOT compiler"), TRUE, &error);
7776 mono_error_assert_ok (&error);
7778 for (i = 0; i < methods->len; ++i)
7779 compile_method (acfg, (MonoMethod *)g_ptr_array_index (methods, i));
7783 load_profile_files (MonoAotCompile *acfg)
7787 int file_index, res, method_index, i;
7790 GList *unordered, *l;
7795 tmp = g_strdup_printf ("%s/.mono/aot-profile-data/%s-%d", g_get_home_dir (), acfg->image->assembly_name, file_index);
7797 if (!g_file_test (tmp, G_FILE_TEST_IS_REGULAR)) {
7802 infile = fopen (tmp, "r");
7805 printf ("Using profile data file '%s'\n", tmp);
7810 res = fscanf (infile, "%32s\n", ver);
7811 if ((res != 1) || strcmp (ver, "#VER:2") != 0) {
7812 printf ("Profile file has wrong version or invalid.\n");
7819 MonoMethodDesc *desc;
7822 if (fgets (name, 1023, infile) == NULL)
7825 /* Kill the newline */
7826 if (strlen (name) > 0)
7827 name [strlen (name) - 1] = '\0';
7829 desc = mono_method_desc_new (name, TRUE);
7831 method = mono_method_desc_search_in_image (desc, acfg->image);
7833 if (method && mono_method_get_token (method)) {
7834 token = mono_method_get_token (method);
7835 method_index = mono_metadata_token_index (token) - 1;
7838 for (i = 0; i < acfg->method_order->len; ++i) {
7839 if (g_ptr_array_index (acfg->method_order, i) == GUINT_TO_POINTER (method_index)) {
7845 g_ptr_array_add (acfg->method_order, GUINT_TO_POINTER (method_index));
7847 //printf ("No method found matching '%s'.\n", name);
7853 /* Add missing methods */
7855 for (method_index = 0; method_index < acfg->image->tables [MONO_TABLE_METHOD].rows; ++method_index) {
7857 for (i = 0; i < acfg->method_order->len; ++i) {
7858 if (g_ptr_array_index (acfg->method_order, i) == GUINT_TO_POINTER (method_index)) {
7864 unordered = g_list_prepend (unordered, GUINT_TO_POINTER (method_index));
7866 unordered = g_list_reverse (unordered);
7867 for (l = unordered; l; l = l->next)
7868 g_ptr_array_add (acfg->method_order, l->data);
7871 /* Used by the LLVM backend */
7873 mono_aot_get_got_offset (MonoJumpInfo *ji)
7875 return get_got_offset (llvm_acfg, TRUE, ji);
7879 * mono_aot_is_shared_got_offset:
7881 * Return whenever OFFSET refers to a GOT slot which is preinitialized
7882 * when the AOT image is loaded.
7885 mono_aot_is_shared_got_offset (int offset)
7887 return offset < llvm_acfg->nshared_got_entries;
7891 mono_aot_get_method_name (MonoCompile *cfg)
7893 if (llvm_acfg->aot_opts.static_link)
7894 /* Include the assembly name too to avoid duplicate symbol errors */
7895 return g_strdup_printf ("%s_%s", llvm_acfg->assembly_name_sym, get_debug_sym (cfg->orig_method, "", llvm_acfg->method_label_hash));
7897 return get_debug_sym (cfg->orig_method, "", llvm_acfg->method_label_hash);
7901 * mono_aot_is_linkonce_method:
7903 * Return whenever METHOD should be emitted with linkonce linkage,
7904 * eliminating duplicate copies when compiling in static mode.
7907 mono_aot_is_linkonce_method (MonoMethod *method)
7913 // FIXME: Add more cases
7914 if (method->wrapper_type != MONO_WRAPPER_UNKNOWN)
7916 info = mono_marshal_get_wrapper_info (method);
7917 if ((info && (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG)))
7924 append_mangled_type (GString *s, MonoType *t)
7927 g_string_append_printf (s, "b");
7929 case MONO_TYPE_VOID:
7930 g_string_append_printf (s, "void_");
7933 g_string_append_printf (s, "i1");
7936 g_string_append_printf (s, "u1");
7939 g_string_append_printf (s, "i2");
7942 g_string_append_printf (s, "u2");
7945 g_string_append_printf (s, "i4");
7948 g_string_append_printf (s, "u4");
7951 g_string_append_printf (s, "i8");
7954 g_string_append_printf (s, "u8");
7957 g_string_append_printf (s, "ii");
7960 g_string_append_printf (s, "ui");
7963 g_string_append_printf (s, "fl");
7966 g_string_append_printf (s, "do");
7969 char *fullname = mono_type_full_name (t);
7975 * Have to create a mangled name which is:
7979 temp = g_string_new ("");
7980 len = strlen (fullname);
7981 for (i = 0; i < len; ++i) {
7982 char c = fullname [i];
7984 g_string_append_c (temp, c);
7985 } else if (c == '_') {
7986 g_string_append_c (temp, '_');
7987 g_string_append_c (temp, '_');
7989 g_string_append_c (temp, '_');
7990 g_string_append_printf (temp, "%x", (int)c);
7993 temps = g_string_free (temp, FALSE);
7994 /* Include the length to avoid different length type names aliasing each other */
7995 g_string_append_printf (s, "cl%x_%s_", strlen (temps), temps);
8004 append_mangled_signature (GString *s, MonoMethodSignature *sig)
8009 supported = append_mangled_type (s, sig->ret);
8013 g_string_append_printf (s, "this_");
8014 for (i = 0; i < sig->param_count; ++i) {
8015 supported = append_mangled_type (s, sig->params [i]);
8024 * mono_aot_get_mangled_method_name:
8026 * Return a unique mangled name for METHOD, or NULL.
8029 mono_aot_get_mangled_method_name (MonoMethod *method)
8035 // FIXME: Add more cases
8036 if (method->wrapper_type != MONO_WRAPPER_UNKNOWN)
8038 info = mono_marshal_get_wrapper_info (method);
8039 if (!(info && (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG)))
8042 s = g_string_new ("");
8044 g_string_append_printf (s, "aot_method_w_");
8046 switch (info->subtype) {
8047 case WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG:
8048 g_string_append_printf (s, "gsharedvt_in_");
8050 case WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG:
8051 g_string_append_printf (s, "gsharedvt_out_");
8054 g_assert_not_reached ();
8058 supported = append_mangled_signature (s, info->d.gsharedvt.sig);
8060 g_string_free (s, TRUE);
8064 return g_string_free (s, FALSE);
8068 mono_aot_is_direct_callable (MonoJumpInfo *patch_info)
8070 return is_direct_callable (llvm_acfg, NULL, patch_info);
8074 mono_aot_mark_unused_llvm_plt_entry (MonoJumpInfo *patch_info)
8076 MonoPltEntry *plt_entry;
8078 plt_entry = get_plt_entry (llvm_acfg, patch_info);
8079 plt_entry->llvm_used = FALSE;
8083 mono_aot_get_direct_call_symbol (MonoJumpInfoType type, gconstpointer data)
8085 const char *sym = NULL;
8087 if (llvm_acfg->aot_opts.direct_icalls) {
8088 if (type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
8089 /* Call to a C function implementing a jit icall */
8090 sym = mono_lookup_jit_icall_symbol ((const char *)data);
8091 } else if (type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
8092 MonoMethod *method = (MonoMethod *)data;
8093 if (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8094 sym = mono_lookup_icall_symbol (method);
8095 else if (llvm_acfg->aot_opts.direct_pinvoke)
8096 sym = get_pinvoke_import (llvm_acfg, method);
8099 return g_strdup (sym);
8105 mono_aot_get_plt_symbol (MonoJumpInfoType type, gconstpointer data)
8107 MonoJumpInfo *ji = (MonoJumpInfo *)mono_mempool_alloc (llvm_acfg->mempool, sizeof (MonoJumpInfo));
8108 MonoPltEntry *plt_entry;
8109 const char *sym = NULL;
8112 ji->data.target = data;
8114 if (!can_encode_patch (llvm_acfg, ji))
8117 if (llvm_acfg->aot_opts.direct_icalls) {
8118 if (type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
8119 /* Call to a C function implementing a jit icall */
8120 sym = mono_lookup_jit_icall_symbol ((const char *)data);
8121 } else if (type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
8122 MonoMethod *method = (MonoMethod *)data;
8123 if (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8124 sym = mono_lookup_icall_symbol (method);
8127 return g_strdup (sym);
8130 plt_entry = get_plt_entry (llvm_acfg, ji);
8131 plt_entry->llvm_used = TRUE;
8133 #if defined(TARGET_MACH)
8134 return g_strdup_printf (plt_entry->llvm_symbol + strlen (llvm_acfg->llvm_label_prefix));
8136 return g_strdup_printf (plt_entry->llvm_symbol);
8141 mono_aot_get_method_index (MonoMethod *method)
8143 g_assert (llvm_acfg);
8144 return get_method_index (llvm_acfg, method);
8148 mono_aot_patch_info_dup (MonoJumpInfo* ji)
8152 mono_acfg_lock (llvm_acfg);
8153 res = mono_patch_info_dup_mp (llvm_acfg->mempool, ji);
8154 mono_acfg_unlock (llvm_acfg);
8160 execute_system (const char * command)
8165 // We need an extra set of quotes around the whole command to properly handle commands
8166 // with spaces since internally the command is called through "cmd /c.
8167 command = g_strdup_printf ("\"%s\"", command);
8169 int size = MultiByteToWideChar (CP_UTF8, 0 , command , -1, NULL , 0);
8170 wchar_t* wstr = g_malloc (sizeof (wchar_t) * size);
8171 MultiByteToWideChar (CP_UTF8, 0, command, -1, wstr , size);
8172 status = _wsystem (wstr);
8176 #elif defined (HAVE_SYSTEM)
8177 status = system (command);
8179 g_assert_not_reached ();
8190 * Emit the LLVM code into an LLVM bytecode file, and compile it using the LLVM
8194 emit_llvm_file (MonoAotCompile *acfg)
8196 char *command, *opts, *tempbc, *optbc, *output_fname;
8198 if (acfg->aot_opts.llvm_only && acfg->aot_opts.asm_only) {
8199 tempbc = g_strdup_printf ("%s.bc", acfg->tmpbasename);
8200 optbc = g_strdup (acfg->aot_opts.llvm_outfile);
8202 tempbc = g_strdup_printf ("%s.bc", acfg->tmpbasename);
8203 optbc = g_strdup_printf ("%s.opt.bc", acfg->tmpbasename);
8206 mono_llvm_emit_aot_module (tempbc, g_path_get_basename (acfg->image->name));
8209 * FIXME: Experiment with adding optimizations, the -std-compile-opts set takes
8210 * a lot of time, and doesn't seem to save much space.
8211 * The following optimizations cannot be enabled:
8213 * - 'jump-threading' changes our blockaddress references to int constants.
8214 * - 'basiccg' fails because it contains:
8215 * if (CS && !isa<IntrinsicInst>(II)) {
8216 * and isa<IntrinsicInst> is false for invokes to intrinsics (iltests.exe).
8217 * - 'prune-eh' and 'functionattrs' depend on 'basiccg'.
8218 * The opt list below was produced by taking the output of:
8219 * llvm-as < /dev/null | opt -O2 -disable-output -debug-pass=Arguments
8220 * then removing tailcallelim + the global opts.
8221 * strip-dead-prototypes deletes unused intrinsics definitions.
8223 /* The dse pass is disabled because of #13734 and #17616 */
8225 * The dse bug is in DeadStoreElimination.cpp:isOverwrite ():
8226 * // If we have no DataLayout information around, then the size of the store
8227 * // is inferrable from the pointee type. If they are the same type, then
8228 * // we know that the store is safe.
8229 * if (AA.getDataLayout() == 0 &&
8230 * Later.Ptr->getType() == Earlier.Ptr->getType()) {
8231 * return OverwriteComplete;
8232 * Here, if 'Earlier' refers to a memset, and Later has no size info, it mistakenly thinks the memset is redundant.
8234 if (acfg->aot_opts.llvm_only)
8235 // FIXME: This doesn't work yet
8236 opts = g_strdup ("");
8238 #if LLVM_API_VERSION > 100
8239 opts = g_strdup ("-O2");
8241 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");
8243 command = g_strdup_printf ("\"%sopt\" -f %s -o \"%s\" \"%s\"", acfg->aot_opts.llvm_path, opts, optbc, tempbc);
8244 aot_printf (acfg, "Executing opt: %s\n", command);
8245 if (execute_system (command) != 0)
8249 if (acfg->aot_opts.llvm_only && acfg->aot_opts.asm_only)
8250 /* Nothing else to do */
8253 if (acfg->aot_opts.llvm_only) {
8254 /* Use the stock clang from xcode */
8256 command = g_strdup_printf ("clang -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);
8258 aot_printf (acfg, "Executing clang: %s\n", command);
8259 if (execute_system (command) != 0)
8264 if (!acfg->llc_args)
8265 acfg->llc_args = g_string_new ("");
8267 /* Verbose asm slows down llc greatly */
8268 g_string_append (acfg->llc_args, " -asm-verbose=false");
8270 if (acfg->aot_opts.mtriple)
8271 g_string_append_printf (acfg->llc_args, " -mtriple=%s", acfg->aot_opts.mtriple);
8273 g_string_append (acfg->llc_args, " -disable-gnu-eh-frame -enable-mono-eh-frame");
8275 g_string_append_printf (acfg->llc_args, " -mono-eh-frame-symbol=%s%s", acfg->user_symbol_prefix, acfg->llvm_eh_frame_symbol);
8277 #if LLVM_API_VERSION > 100
8278 g_string_append_printf (acfg->llc_args, " -disable-tail-calls");
8281 #if defined(TARGET_MACH) && defined(TARGET_ARM)
8282 /* ios requires PIC code now */
8283 g_string_append_printf (acfg->llc_args, " -relocation-model=pic");
8285 if (llvm_acfg->aot_opts.static_link)
8286 g_string_append_printf (acfg->llc_args, " -relocation-model=static");
8288 g_string_append_printf (acfg->llc_args, " -relocation-model=pic");
8291 if (acfg->llvm_owriter) {
8292 /* Emit an object file directly */
8293 output_fname = g_strdup_printf ("%s", acfg->llvm_ofile);
8294 g_string_append_printf (acfg->llc_args, " -filetype=obj");
8296 output_fname = g_strdup_printf ("%s", acfg->llvm_sfile);
8298 command = g_strdup_printf ("\"%sllc\" %s -o \"%s\" \"%s.opt.bc\"", acfg->aot_opts.llvm_path, acfg->llc_args->str, output_fname, acfg->tmpbasename);
8299 g_free (output_fname);
8301 aot_printf (acfg, "Executing llc: %s\n", command);
8303 if (execute_system (command) != 0)
8310 emit_code (MonoAotCompile *acfg)
8312 int oindex, i, prev_index;
8313 gboolean saved_unbox_info = FALSE;
8314 char symbol [MAX_SYMBOL_SIZE];
8316 if (acfg->aot_opts.llvm_only)
8319 #if defined(TARGET_POWERPC64)
8320 sprintf (symbol, ".Lgot_addr");
8321 emit_section_change (acfg, ".text", 0);
8322 emit_alignment (acfg, 8);
8323 emit_label (acfg, symbol);
8324 emit_pointer (acfg, acfg->got_symbol);
8328 * This global symbol is used to compute the address of each method using the
8329 * code_offsets array. It is also used to compute the memory ranges occupied by
8330 * AOT code, so it must be equal to the address of the first emitted method.
8332 emit_section_change (acfg, ".text", 0);
8333 emit_alignment_code (acfg, 8);
8334 emit_info_symbol (acfg, "jit_code_start");
8337 * Emit some padding so the local symbol for the first method doesn't have the
8338 * same address as 'methods'.
8340 emit_padding (acfg, 16);
8342 for (oindex = 0; oindex < acfg->method_order->len; ++oindex) {
8346 i = GPOINTER_TO_UINT (g_ptr_array_index (acfg->method_order, oindex));
8348 cfg = acfg->cfgs [i];
8353 method = cfg->orig_method;
8355 /* Emit unbox trampoline */
8356 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype && !(acfg->aot_opts.llvm_only && cfg->compile_llvm)) {
8357 sprintf (symbol, "ut_%d", get_method_index (acfg, method));
8359 emit_section_change (acfg, ".text", 0);
8361 if (acfg->thumb_mixed && cfg->compile_llvm) {
8362 emit_set_thumb_mode (acfg);
8363 fprintf (acfg->fp, "\n.thumb_func\n");
8366 emit_label (acfg, symbol);
8368 arch_emit_unbox_trampoline (acfg, cfg, cfg->orig_method, cfg->asm_symbol);
8370 if (acfg->thumb_mixed && cfg->compile_llvm)
8371 emit_set_arm_mode (acfg);
8373 if (!saved_unbox_info) {
8374 char user_symbol [128];
8376 sprintf (user_symbol, "%sunbox_trampoline_p", acfg->user_symbol_prefix);
8378 emit_label (acfg, "ut_end");
8380 unwind_ops = mono_unwind_get_cie_program ();
8381 save_unwind_info (acfg, user_symbol, unwind_ops);
8382 mono_free_unwind_info (unwind_ops);
8384 /* Save the unbox trampoline size */
8385 emit_symbol_diff (acfg, "ut_end", symbol, 0);
8387 saved_unbox_info = TRUE;
8391 if (cfg->compile_llvm)
8392 acfg->stats.llvm_count ++;
8394 emit_method_code (acfg, cfg);
8397 emit_section_change (acfg, ".text", 0);
8398 emit_alignment_code (acfg, 8);
8399 emit_info_symbol (acfg, "jit_code_end");
8401 /* To distinguish it from the next symbol */
8402 emit_padding (acfg, 4);
8405 * Add .no_dead_strip directives for all LLVM methods to prevent the OSX linker
8406 * from optimizing them away, since it doesn't see that code_offsets references them.
8407 * JITted methods don't need this since they are referenced using assembler local
8409 * FIXME: This is why write-symbols doesn't work on OSX ?
8411 if (acfg->llvm && acfg->need_no_dead_strip) {
8412 fprintf (acfg->fp, "\n");
8413 for (i = 0; i < acfg->nmethods; ++i) {
8414 if (acfg->cfgs [i] && acfg->cfgs [i]->compile_llvm)
8415 fprintf (acfg->fp, ".no_dead_strip %s\n", acfg->cfgs [i]->asm_symbol);
8420 * To work around linker issues, we emit a table of branches, and disassemble them at runtime.
8421 * This is PIE code, and the linker can update it if needed.
8424 sprintf (symbol, "method_addresses");
8425 emit_section_change (acfg, ".text", 1);
8426 emit_alignment_code (acfg, 8);
8427 emit_info_symbol (acfg, symbol);
8428 emit_local_symbol (acfg, symbol, "method_addresses_end", TRUE);
8429 emit_unset_mode (acfg);
8430 if (acfg->need_no_dead_strip)
8431 fprintf (acfg->fp, " .no_dead_strip %s\n", symbol);
8433 for (i = 0; i < acfg->nmethods; ++i) {
8434 #ifdef MONO_ARCH_AOT_SUPPORTED
8437 if (acfg->cfgs [i]) {
8438 if (acfg->aot_opts.llvm_only && acfg->cfgs [i]->compile_llvm)
8439 /* Obtained by calling a generated function in the LLVM image */
8440 arch_emit_direct_call (acfg, symbol, FALSE, FALSE, NULL, &call_size);
8442 arch_emit_direct_call (acfg, acfg->cfgs [i]->asm_symbol, FALSE, acfg->thumb_mixed && acfg->cfgs [i]->compile_llvm, NULL, &call_size);
8444 arch_emit_direct_call (acfg, symbol, FALSE, FALSE, NULL, &call_size);
8449 sprintf (symbol, "method_addresses_end");
8450 emit_label (acfg, symbol);
8453 /* Emit a sorted table mapping methods to the index of their unbox trampolines */
8454 sprintf (symbol, "unbox_trampolines");
8455 emit_section_change (acfg, RODATA_SECT, 0);
8456 emit_alignment (acfg, 8);
8457 emit_info_symbol (acfg, symbol);
8460 for (i = 0; i < acfg->nmethods; ++i) {
8465 cfg = acfg->cfgs [i];
8469 method = cfg->orig_method;
8471 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype && !(acfg->aot_opts.llvm_only && cfg->compile_llvm)) {
8472 index = get_method_index (acfg, method);
8474 emit_int32 (acfg, index);
8475 /* Make sure the table is sorted by index */
8476 g_assert (index > prev_index);
8480 sprintf (symbol, "unbox_trampolines_end");
8481 emit_info_symbol (acfg, symbol);
8482 emit_int32 (acfg, 0);
8484 /* Emit a separate table with the trampoline addresses/offsets */
8485 sprintf (symbol, "unbox_trampoline_addresses");
8486 emit_section_change (acfg, ".text", 0);
8487 emit_alignment_code (acfg, 8);
8488 emit_info_symbol (acfg, symbol);
8490 for (i = 0; i < acfg->nmethods; ++i) {
8495 cfg = acfg->cfgs [i];
8499 method = cfg->orig_method;
8501 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype && !(acfg->aot_opts.llvm_only && cfg->compile_llvm)) {
8502 #ifdef MONO_ARCH_AOT_SUPPORTED
8505 index = get_method_index (acfg, method);
8506 sprintf (symbol, "ut_%d", index);
8508 arch_emit_direct_call (acfg, symbol, FALSE, acfg->thumb_mixed && cfg->compile_llvm, NULL, &call_size);
8512 emit_int32 (acfg, 0);
8516 emit_info (MonoAotCompile *acfg)
8521 offsets = g_new0 (gint32, acfg->nmethods);
8523 for (oindex = 0; oindex < acfg->method_order->len; ++oindex) {
8524 i = GPOINTER_TO_UINT (g_ptr_array_index (acfg->method_order, oindex));
8526 if (acfg->cfgs [i]) {
8527 emit_method_info (acfg, acfg->cfgs [i]);
8528 offsets [i] = acfg->cfgs [i]->method_info_offset;
8534 acfg->stats.offsets_size += emit_offset_table (acfg, "method_info_offsets", MONO_AOT_TABLE_METHOD_INFO_OFFSETS, acfg->nmethods, 10, offsets);
8539 #endif /* #if !defined(DISABLE_AOT) && !defined(DISABLE_JIT) */
8541 #define rot(x,k) (((x)<<(k)) | ((x)>>(32-(k))))
8542 #define mix(a,b,c) { \
8543 a -= c; a ^= rot(c, 4); c += b; \
8544 b -= a; b ^= rot(a, 6); a += c; \
8545 c -= b; c ^= rot(b, 8); b += a; \
8546 a -= c; a ^= rot(c,16); c += b; \
8547 b -= a; b ^= rot(a,19); a += c; \
8548 c -= b; c ^= rot(b, 4); b += a; \
8550 #define final(a,b,c) { \
8551 c ^= b; c -= rot(b,14); \
8552 a ^= c; a -= rot(c,11); \
8553 b ^= a; b -= rot(a,25); \
8554 c ^= b; c -= rot(b,16); \
8555 a ^= c; a -= rot(c,4); \
8556 b ^= a; b -= rot(a,14); \
8557 c ^= b; c -= rot(b,24); \
8561 mono_aot_type_hash (MonoType *t1)
8563 guint hash = t1->type;
8565 hash |= t1->byref << 6; /* do not collide with t1->type values */
8567 case MONO_TYPE_VALUETYPE:
8568 case MONO_TYPE_CLASS:
8569 case MONO_TYPE_SZARRAY:
8570 /* check if the distribution is good enough */
8571 return ((hash << 5) - hash) ^ mono_metadata_str_hash (t1->data.klass->name);
8573 return ((hash << 5) - hash) ^ mono_metadata_type_hash (t1->data.type);
8574 case MONO_TYPE_ARRAY:
8575 return ((hash << 5) - hash) ^ mono_metadata_type_hash (&t1->data.array->eklass->byval_arg);
8576 case MONO_TYPE_GENERICINST:
8577 return ((hash << 5) - hash) ^ 0;
8584 * mono_aot_method_hash:
8586 * Return a hash code for methods which only depends on metadata.
8589 mono_aot_method_hash (MonoMethod *method)
8591 MonoMethodSignature *sig;
8595 guint32 *hashes_start, *hashes;
8597 MonoGenericInst *class_ginst = NULL;
8598 MonoGenericInst *ginst = NULL;
8600 /* Similar to the hash in mono_method_get_imt_slot () */
8602 sig = mono_method_signature (method);
8604 if (method->klass->generic_class)
8605 class_ginst = method->klass->generic_class->context.class_inst;
8606 if (method->is_inflated)
8607 ginst = ((MonoMethodInflated*)method)->context.method_inst;
8609 hashes_count = sig->param_count + 5 + (class_ginst ? class_ginst->type_argc : 0) + (ginst ? ginst->type_argc : 0);
8610 hashes_start = (guint32 *)g_malloc0 (hashes_count * sizeof (guint32));
8611 hashes = hashes_start;
8613 /* Some wrappers are assigned to random classes */
8614 if (!method->wrapper_type || method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
8615 klass = method->klass;
8617 klass = mono_defaults.object_class;
8619 if (!method->wrapper_type) {
8622 if (klass->generic_class)
8623 full_name = mono_type_full_name (&klass->generic_class->container_class->byval_arg);
8625 full_name = mono_type_full_name (&klass->byval_arg);
8627 hashes [0] = mono_metadata_str_hash (full_name);
8631 hashes [0] = mono_metadata_str_hash (klass->name);
8632 hashes [1] = mono_metadata_str_hash (klass->name_space);
8634 if (method->wrapper_type == MONO_WRAPPER_STFLD || method->wrapper_type == MONO_WRAPPER_LDFLD || method->wrapper_type == MONO_WRAPPER_LDFLDA)
8635 /* The method name includes a stringified pointer */
8638 hashes [2] = mono_metadata_str_hash (method->name);
8639 hashes [3] = method->wrapper_type;
8640 hashes [4] = mono_aot_type_hash (sig->ret);
8642 for (i = 0; i < sig->param_count; i++) {
8643 hashes [hindex ++] = mono_aot_type_hash (sig->params [i]);
8646 for (i = 0; i < class_ginst->type_argc; ++i)
8647 hashes [hindex ++] = mono_aot_type_hash (class_ginst->type_argv [i]);
8650 for (i = 0; i < ginst->type_argc; ++i)
8651 hashes [hindex ++] = mono_aot_type_hash (ginst->type_argv [i]);
8653 g_assert (hindex == hashes_count);
8655 /* Setup internal state */
8656 a = b = c = 0xdeadbeef + (((guint32)hashes_count)<<2);
8658 /* Handle most of the hashes */
8659 while (hashes_count > 3) {
8668 /* Handle the last 3 hashes (all the case statements fall through) */
8669 switch (hashes_count) {
8670 case 3 : c += hashes [2];
8671 case 2 : b += hashes [1];
8672 case 1 : a += hashes [0];
8674 case 0: /* nothing left to add */
8678 free (hashes_start);
8687 * mono_aot_get_array_helper_from_wrapper;
8689 * Get the helper method in Array called by an array wrapper method.
8692 mono_aot_get_array_helper_from_wrapper (MonoMethod *method)
8696 MonoGenericContext ctx;
8697 MonoType *args [16];
8698 char *mname, *iname, *s, *s2, *helper_name = NULL;
8700 prefix = "System.Collections.Generic";
8701 s = g_strdup_printf ("%s", method->name + strlen (prefix) + 1);
8702 s2 = strstr (s, "`1.");
8708 //printf ("X: %s %s\n", iname, mname);
8710 if (!strcmp (iname, "IList"))
8711 helper_name = g_strdup_printf ("InternalArray__%s", mname);
8713 helper_name = g_strdup_printf ("InternalArray__%s_%s", iname, mname);
8714 m = mono_class_get_method_from_name (mono_defaults.array_class, helper_name, mono_method_signature (method)->param_count);
8716 g_free (helper_name);
8719 if (m->is_generic) {
8721 memset (&ctx, 0, sizeof (ctx));
8722 args [0] = &method->klass->element_class->byval_arg;
8723 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
8724 m = mono_class_inflate_generic_method_checked (m, &ctx, &error);
8725 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
8731 #if !defined(DISABLE_AOT) && !defined(DISABLE_JIT)
8733 typedef struct HashEntry {
8734 guint32 key, value, index;
8735 struct HashEntry *next;
8739 * emit_extra_methods:
8741 * Emit methods which are not in the METHOD table, like wrappers.
8744 emit_extra_methods (MonoAotCompile *acfg)
8746 int i, table_size, buf_size;
8748 guint32 *info_offsets;
8751 HashEntry *entry, *new_entry;
8752 int nmethods, max_chain_length;
8755 info_offsets = g_new0 (guint32, acfg->extra_methods->len);
8757 /* Emit method info */
8759 for (i = 0; i < acfg->extra_methods->len; ++i) {
8760 MonoMethod *method = (MonoMethod *)g_ptr_array_index (acfg->extra_methods, i);
8761 MonoCompile *cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, method);
8767 p = buf = (guint8 *)g_malloc (buf_size);
8771 method = cfg->method_to_register;
8773 encode_method_ref (acfg, method, p, &p);
8775 g_assert ((p - buf) < buf_size);
8777 info_offsets [i] = add_to_blob (acfg, buf, p - buf);
8782 * Construct a chained hash table for mapping indexes in extra_method_info to
8785 table_size = g_spaced_primes_closest ((int)(nmethods * 1.5));
8786 table = g_ptr_array_sized_new (table_size);
8787 for (i = 0; i < table_size; ++i)
8788 g_ptr_array_add (table, NULL);
8789 chain_lengths = g_new0 (int, table_size);
8790 max_chain_length = 0;
8791 for (i = 0; i < acfg->extra_methods->len; ++i) {
8792 MonoMethod *method = (MonoMethod *)g_ptr_array_index (acfg->extra_methods, i);
8793 MonoCompile *cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, method);
8799 key = info_offsets [i];
8800 value = get_method_index (acfg, method);
8802 hash = mono_aot_method_hash (method) % table_size;
8803 //printf ("X: %s %x\n", mono_method_get_full_name (method), mono_aot_method_hash (method));
8805 chain_lengths [hash] ++;
8806 max_chain_length = MAX (max_chain_length, chain_lengths [hash]);
8808 new_entry = (HashEntry *)mono_mempool_alloc0 (acfg->mempool, sizeof (HashEntry));
8809 new_entry->key = key;
8810 new_entry->value = value;
8812 entry = (HashEntry *)g_ptr_array_index (table, hash);
8813 if (entry == NULL) {
8814 new_entry->index = hash;
8815 g_ptr_array_index (table, hash) = new_entry;
8818 entry = entry->next;
8820 entry->next = new_entry;
8821 new_entry->index = table->len;
8822 g_ptr_array_add (table, new_entry);
8826 //printf ("MAX: %d\n", max_chain_length);
8828 buf_size = table->len * 12 + 4;
8829 p = buf = (guint8 *)g_malloc (buf_size);
8830 encode_int (table_size, p, &p);
8832 for (i = 0; i < table->len; ++i) {
8833 HashEntry *entry = (HashEntry *)g_ptr_array_index (table, i);
8835 if (entry == NULL) {
8836 encode_int (0, p, &p);
8837 encode_int (0, p, &p);
8838 encode_int (0, p, &p);
8840 //g_assert (entry->key > 0);
8841 encode_int (entry->key, p, &p);
8842 encode_int (entry->value, p, &p);
8844 encode_int (entry->next->index, p, &p);
8846 encode_int (0, p, &p);
8849 g_assert (p - buf <= buf_size);
8851 /* Emit the table */
8852 emit_aot_data (acfg, MONO_AOT_TABLE_EXTRA_METHOD_TABLE, "extra_method_table", buf, p - buf);
8855 * Emit a table reverse mapping method indexes to their index in extra_method_info.
8856 * This is used by mono_aot_find_jit_info ().
8858 buf_size = acfg->extra_methods->len * 8 + 4;
8859 p = buf = (guint8 *)g_malloc (buf_size);
8860 encode_int (acfg->extra_methods->len, p, &p);
8861 for (i = 0; i < acfg->extra_methods->len; ++i) {
8862 MonoMethod *method = (MonoMethod *)g_ptr_array_index (acfg->extra_methods, i);
8864 encode_int (get_method_index (acfg, method), p, &p);
8865 encode_int (info_offsets [i], p, &p);
8867 emit_aot_data (acfg, MONO_AOT_TABLE_EXTRA_METHOD_INFO_OFFSETS, "extra_method_info_offsets", buf, p - buf);
8871 emit_exception_info (MonoAotCompile *acfg)
8875 SeqPointData sp_data;
8876 gboolean seq_points_to_file = FALSE;
8878 offsets = g_new0 (gint32, acfg->nmethods);
8879 for (i = 0; i < acfg->nmethods; ++i) {
8880 if (acfg->cfgs [i]) {
8881 MonoCompile *cfg = acfg->cfgs [i];
8883 // By design aot-runtime decode_exception_debug_info is not able to load sequence point debug data from a file.
8884 // As it is not possible to load debug data from a file its is also not possible to store it in a file.
8885 gboolean method_seq_points_to_file = acfg->aot_opts.gen_seq_points_file &&
8886 cfg->gen_seq_points && !cfg->gen_sdb_seq_points;
8887 gboolean method_seq_points_to_binary = cfg->gen_seq_points && !method_seq_points_to_file;
8889 emit_exception_debug_info (acfg, cfg, method_seq_points_to_binary);
8890 offsets [i] = cfg->ex_info_offset;
8892 if (method_seq_points_to_file) {
8893 if (!seq_points_to_file) {
8894 mono_seq_point_data_init (&sp_data, acfg->nmethods);
8895 seq_points_to_file = TRUE;
8897 mono_seq_point_data_add (&sp_data, cfg->method->token, cfg->method_index, cfg->seq_point_info);
8904 if (seq_points_to_file) {
8905 char *seq_points_aot_file = acfg->aot_opts.gen_seq_points_file_path ? acfg->aot_opts.gen_seq_points_file_path
8906 : g_strdup_printf("%s%s", acfg->image->name, SEQ_POINT_AOT_EXT);
8907 mono_seq_point_data_write (&sp_data, seq_points_aot_file);
8908 mono_seq_point_data_free (&sp_data);
8909 g_free (seq_points_aot_file);
8912 acfg->stats.offsets_size += emit_offset_table (acfg, "ex_info_offsets", MONO_AOT_TABLE_EX_INFO_OFFSETS, acfg->nmethods, 10, offsets);
8917 emit_unwind_info (MonoAotCompile *acfg)
8922 if (acfg->aot_opts.llvm_only) {
8923 g_assert (acfg->unwind_ops->len == 0);
8928 * The unwind info contains a lot of duplicates so we emit each unique
8929 * entry once, and only store the offset from the start of the table in the
8933 sprintf (symbol, "unwind_info");
8934 emit_section_change (acfg, RODATA_SECT, 1);
8935 emit_alignment (acfg, 8);
8936 emit_info_symbol (acfg, symbol);
8938 for (i = 0; i < acfg->unwind_ops->len; ++i) {
8939 guint32 index = GPOINTER_TO_UINT (g_ptr_array_index (acfg->unwind_ops, i));
8940 guint8 *unwind_info;
8941 guint32 unwind_info_len;
8945 unwind_info = mono_get_cached_unwind_info (index, &unwind_info_len);
8948 encode_value (unwind_info_len, p, &p);
8949 emit_bytes (acfg, buf, p - buf);
8950 emit_bytes (acfg, unwind_info, unwind_info_len);
8952 acfg->stats.unwind_info_size += (p - buf) + unwind_info_len;
8957 emit_class_info (MonoAotCompile *acfg)
8962 offsets = g_new0 (gint32, acfg->image->tables [MONO_TABLE_TYPEDEF].rows);
8963 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i)
8964 offsets [i] = emit_klass_info (acfg, MONO_TOKEN_TYPE_DEF | (i + 1));
8966 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);
8970 typedef struct ClassNameTableEntry {
8971 guint32 token, index;
8972 struct ClassNameTableEntry *next;
8973 } ClassNameTableEntry;
8976 emit_class_name_table (MonoAotCompile *acfg)
8978 int i, table_size, buf_size;
8979 guint32 token, hash;
8984 ClassNameTableEntry *entry, *new_entry;
8987 * Construct a chained hash table for mapping class names to typedef tokens.
8989 table_size = g_spaced_primes_closest ((int)(acfg->image->tables [MONO_TABLE_TYPEDEF].rows * 1.5));
8990 table = g_ptr_array_sized_new (table_size);
8991 for (i = 0; i < table_size; ++i)
8992 g_ptr_array_add (table, NULL);
8993 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
8995 token = MONO_TOKEN_TYPE_DEF | (i + 1);
8996 klass = mono_class_get_checked (acfg->image, token, &error);
8998 mono_error_cleanup (&error);
9001 full_name = mono_type_get_name_full (mono_class_get_type (klass), MONO_TYPE_NAME_FORMAT_FULL_NAME);
9002 hash = mono_metadata_str_hash (full_name) % table_size;
9005 /* FIXME: Allocate from the mempool */
9006 new_entry = g_new0 (ClassNameTableEntry, 1);
9007 new_entry->token = token;
9009 entry = (ClassNameTableEntry *)g_ptr_array_index (table, hash);
9010 if (entry == NULL) {
9011 new_entry->index = hash;
9012 g_ptr_array_index (table, hash) = new_entry;
9015 entry = entry->next;
9017 entry->next = new_entry;
9018 new_entry->index = table->len;
9019 g_ptr_array_add (table, new_entry);
9023 /* Emit the table */
9024 buf_size = table->len * 4 + 4;
9025 p = buf = (guint8 *)g_malloc0 (buf_size);
9027 /* FIXME: Optimize memory usage */
9028 g_assert (table_size < 65000);
9029 encode_int16 (table_size, p, &p);
9030 g_assert (table->len < 65000);
9031 for (i = 0; i < table->len; ++i) {
9032 ClassNameTableEntry *entry = (ClassNameTableEntry *)g_ptr_array_index (table, i);
9034 if (entry == NULL) {
9035 encode_int16 (0, p, &p);
9036 encode_int16 (0, p, &p);
9038 encode_int16 (mono_metadata_token_index (entry->token), p, &p);
9040 encode_int16 (entry->next->index, p, &p);
9042 encode_int16 (0, p, &p);
9045 g_assert (p - buf <= buf_size);
9047 emit_aot_data (acfg, MONO_AOT_TABLE_CLASS_NAME, "class_name_table", buf, p - buf);
9051 emit_image_table (MonoAotCompile *acfg)
9057 * The image table is small but referenced in a lot of places.
9058 * So we emit it at once, and reference its elements by an index.
9060 buf_size = acfg->image_table->len * 28 + 4;
9061 for (i = 0; i < acfg->image_table->len; i++) {
9062 MonoImage *image = (MonoImage*)g_ptr_array_index (acfg->image_table, i);
9063 MonoAssemblyName *aname = &image->assembly->aname;
9065 buf_size += strlen (image->assembly_name) + strlen (image->guid) + (aname->culture ? strlen (aname->culture) : 1) + strlen ((char*)aname->public_key_token) + 4;
9068 buf = p = (guint8 *)g_malloc0 (buf_size);
9069 encode_int (acfg->image_table->len, p, &p);
9070 for (i = 0; i < acfg->image_table->len; i++) {
9071 MonoImage *image = (MonoImage*)g_ptr_array_index (acfg->image_table, i);
9072 MonoAssemblyName *aname = &image->assembly->aname;
9074 /* FIXME: Support multi-module assemblies */
9075 g_assert (image->assembly->image == image);
9077 encode_string (image->assembly_name, p, &p);
9078 encode_string (image->guid, p, &p);
9079 encode_string (aname->culture ? aname->culture : "", p, &p);
9080 encode_string ((const char*)aname->public_key_token, p, &p);
9082 while (GPOINTER_TO_UINT (p) % 8 != 0)
9085 encode_int (aname->flags, p, &p);
9086 encode_int (aname->major, p, &p);
9087 encode_int (aname->minor, p, &p);
9088 encode_int (aname->build, p, &p);
9089 encode_int (aname->revision, p, &p);
9091 g_assert (p - buf <= buf_size);
9093 emit_aot_data (acfg, MONO_AOT_TABLE_IMAGE_TABLE, "image_table", buf, p - buf);
9099 emit_got_info (MonoAotCompile *acfg, gboolean llvm)
9101 int i, first_plt_got_patch = 0, buf_size;
9103 guint32 *got_info_offsets;
9104 GotInfo *info = llvm ? &acfg->llvm_got_info : &acfg->got_info;
9106 /* Add the patches needed by the PLT to the GOT */
9108 acfg->plt_got_offset_base = acfg->got_offset;
9109 first_plt_got_patch = info->got_patches->len;
9110 for (i = 1; i < acfg->plt_offset; ++i) {
9111 MonoPltEntry *plt_entry = (MonoPltEntry *)g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
9113 g_ptr_array_add (info->got_patches, plt_entry->ji);
9115 acfg->stats.got_slot_types [plt_entry->ji->type] ++;
9118 acfg->got_offset += acfg->plt_offset;
9123 * - optimize offsets table.
9124 * - reduce number of exported symbols.
9125 * - emit info for a klass only once.
9126 * - determine when a method uses a GOT slot which is guaranteed to be already
9128 * - clean up and document the code.
9129 * - use String.Empty in class libs.
9132 /* Encode info required to decode shared GOT entries */
9133 buf_size = info->got_patches->len * 128;
9134 p = buf = (guint8 *)mono_mempool_alloc (acfg->mempool, buf_size);
9135 got_info_offsets = (guint32 *)mono_mempool_alloc (acfg->mempool, info->got_patches->len * sizeof (guint32));
9137 acfg->plt_got_info_offsets = (guint32 *)mono_mempool_alloc (acfg->mempool, acfg->plt_offset * sizeof (guint32));
9139 if (acfg->plt_offset)
9140 acfg->plt_got_info_offsets [0] = 0;
9142 for (i = 0; i < info->got_patches->len; ++i) {
9143 MonoJumpInfo *ji = (MonoJumpInfo *)g_ptr_array_index (info->got_patches, i);
9148 encode_value (ji->type, p, &p);
9150 encode_patch (acfg, ji, p, &p);
9151 acfg->stats.got_slot_info_sizes [ji->type] += p - p2;
9152 g_assert (p - buf <= buf_size);
9153 got_info_offsets [i] = add_to_blob (acfg, buf, p - buf);
9155 if (!llvm && i >= first_plt_got_patch)
9156 acfg->plt_got_info_offsets [i - first_plt_got_patch + 1] = got_info_offsets [i];
9157 acfg->stats.got_info_size += p - buf;
9160 /* Emit got_info_offsets table */
9162 /* No need to emit offsets for the got plt entries, the plt embeds them directly */
9163 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);
9167 emit_got (MonoAotCompile *acfg)
9169 char symbol [MAX_SYMBOL_SIZE];
9171 if (acfg->aot_opts.llvm_only)
9174 /* Don't make GOT global so accesses to it don't need relocations */
9175 sprintf (symbol, "%s", acfg->got_symbol);
9178 emit_unset_mode (acfg);
9179 fprintf (acfg->fp, ".section __DATA, __bss\n");
9180 emit_alignment (acfg, 8);
9182 emit_info_symbol (acfg, "jit_got");
9183 fprintf (acfg->fp, ".lcomm %s, %d\n", acfg->got_symbol, (int)(acfg->got_offset * sizeof (gpointer)));
9185 emit_section_change (acfg, ".bss", 0);
9186 emit_alignment (acfg, 8);
9187 emit_local_symbol (acfg, symbol, "got_end", FALSE);
9188 emit_label (acfg, symbol);
9190 emit_info_symbol (acfg, "jit_got");
9191 if (acfg->got_offset > 0)
9192 emit_zero_bytes (acfg, (int)(acfg->got_offset * sizeof (gpointer)));
9195 sprintf (symbol, "got_end");
9196 emit_label (acfg, symbol);
9199 typedef struct GlobalsTableEntry {
9200 guint32 value, index;
9201 struct GlobalsTableEntry *next;
9202 } GlobalsTableEntry;
9205 emit_globals (MonoAotCompile *acfg)
9211 GlobalsTableEntry *entry, *new_entry;
9213 if (!acfg->aot_opts.static_link)
9215 if (acfg->aot_opts.llvm_only) {
9216 g_assert (acfg->globals->len == 0);
9221 * When static linking, we emit a table containing our globals.
9225 * Construct a chained hash table for mapping global names to their index in
9226 * the globals table.
9228 table_size = g_spaced_primes_closest ((int)(acfg->globals->len * 1.5));
9229 table = g_ptr_array_sized_new (table_size);
9230 for (i = 0; i < table_size; ++i)
9231 g_ptr_array_add (table, NULL);
9232 for (i = 0; i < acfg->globals->len; ++i) {
9233 char *name = (char *)g_ptr_array_index (acfg->globals, i);
9235 hash = mono_metadata_str_hash (name) % table_size;
9237 /* FIXME: Allocate from the mempool */
9238 new_entry = g_new0 (GlobalsTableEntry, 1);
9239 new_entry->value = i;
9241 entry = (GlobalsTableEntry *)g_ptr_array_index (table, hash);
9242 if (entry == NULL) {
9243 new_entry->index = hash;
9244 g_ptr_array_index (table, hash) = new_entry;
9247 entry = entry->next;
9249 entry->next = new_entry;
9250 new_entry->index = table->len;
9251 g_ptr_array_add (table, new_entry);
9255 /* Emit the table */
9256 sprintf (symbol, ".Lglobals_hash");
9257 emit_section_change (acfg, RODATA_SECT, 0);
9258 emit_alignment (acfg, 8);
9259 emit_label (acfg, symbol);
9261 /* FIXME: Optimize memory usage */
9262 g_assert (table_size < 65000);
9263 emit_int16 (acfg, table_size);
9264 for (i = 0; i < table->len; ++i) {
9265 GlobalsTableEntry *entry = (GlobalsTableEntry *)g_ptr_array_index (table, i);
9267 if (entry == NULL) {
9268 emit_int16 (acfg, 0);
9269 emit_int16 (acfg, 0);
9271 emit_int16 (acfg, entry->value + 1);
9273 emit_int16 (acfg, entry->next->index);
9275 emit_int16 (acfg, 0);
9279 /* Emit the names */
9280 for (i = 0; i < acfg->globals->len; ++i) {
9281 char *name = (char *)g_ptr_array_index (acfg->globals, i);
9283 sprintf (symbol, "name_%d", i);
9284 emit_section_change (acfg, RODATA_SECT, 1);
9286 emit_alignment (acfg, 4);
9288 emit_label (acfg, symbol);
9289 emit_string (acfg, name);
9292 /* Emit the globals table */
9293 sprintf (symbol, "globals");
9294 emit_section_change (acfg, ".data", 0);
9295 /* This is not a global, since it is accessed by the init function */
9296 emit_alignment (acfg, 8);
9297 emit_info_symbol (acfg, symbol);
9299 sprintf (symbol, "%sglobals_hash", acfg->temp_prefix);
9300 emit_pointer (acfg, symbol);
9302 for (i = 0; i < acfg->globals->len; ++i) {
9303 char *name = (char *)g_ptr_array_index (acfg->globals, i);
9305 sprintf (symbol, "name_%d", i);
9306 emit_pointer (acfg, symbol);
9308 g_assert (strlen (name) < sizeof (symbol));
9309 sprintf (symbol, "%s", name);
9310 emit_pointer (acfg, symbol);
9312 /* Null terminate the table */
9313 emit_int32 (acfg, 0);
9314 emit_int32 (acfg, 0);
9318 emit_mem_end (MonoAotCompile *acfg)
9322 if (acfg->aot_opts.llvm_only)
9325 sprintf (symbol, "mem_end");
9326 emit_section_change (acfg, ".text", 1);
9327 emit_alignment_code (acfg, 8);
9328 emit_label (acfg, symbol);
9332 init_aot_file_info (MonoAotCompile *acfg, MonoAotFileInfo *info)
9336 info->version = MONO_AOT_FILE_VERSION;
9337 info->plt_got_offset_base = acfg->plt_got_offset_base;
9338 info->got_size = acfg->got_offset * sizeof (gpointer);
9339 info->plt_size = acfg->plt_offset;
9340 info->nmethods = acfg->nmethods;
9341 info->flags = acfg->flags;
9342 info->opts = acfg->opts;
9343 info->simd_opts = acfg->simd_opts;
9344 info->gc_name_index = acfg->gc_name_offset;
9345 info->datafile_size = acfg->datafile_offset;
9346 for (i = 0; i < MONO_AOT_TABLE_NUM; ++i)
9347 info->table_offsets [i] = acfg->table_offsets [i];
9348 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9349 info->num_trampolines [i] = acfg->num_trampolines [i];
9350 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9351 info->trampoline_got_offset_base [i] = acfg->trampoline_got_offset_base [i];
9352 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9353 info->trampoline_size [i] = acfg->trampoline_size [i];
9354 info->num_rgctx_fetch_trampolines = acfg->aot_opts.nrgctx_fetch_trampolines;
9356 info->double_align = MONO_ABI_ALIGNOF (double);
9357 info->long_align = MONO_ABI_ALIGNOF (gint64);
9358 info->generic_tramp_num = MONO_TRAMPOLINE_NUM;
9359 info->tramp_page_size = acfg->tramp_page_size;
9360 info->nshared_got_entries = acfg->nshared_got_entries;
9361 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9362 info->tramp_page_code_offsets [i] = acfg->tramp_page_code_offsets [i];
9366 emit_aot_file_info (MonoAotCompile *acfg, MonoAotFileInfo *info)
9368 char symbol [MAX_SYMBOL_SIZE];
9370 const char **symbols;
9372 symbols = g_new0 (const char *, MONO_AOT_FILE_INFO_NUM_SYMBOLS);
9374 symbols [sindex ++] = acfg->got_symbol;
9376 symbols [sindex ++] = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, acfg->llvm_got_symbol);
9377 symbols [sindex ++] = acfg->llvm_eh_frame_symbol;
9379 symbols [sindex ++] = NULL;
9380 symbols [sindex ++] = NULL;
9382 /* llvm_get_method */
9383 symbols [sindex ++] = NULL;
9384 /* llvm_get_unbox_tramp */
9385 symbols [sindex ++] = NULL;
9386 if (!acfg->aot_opts.llvm_only) {
9387 symbols [sindex ++] = "jit_code_start";
9388 symbols [sindex ++] = "jit_code_end";
9389 symbols [sindex ++] = "method_addresses";
9391 symbols [sindex ++] = NULL;
9392 symbols [sindex ++] = NULL;
9393 symbols [sindex ++] = NULL;
9395 if (acfg->data_outfile) {
9396 for (i = 0; i < MONO_AOT_TABLE_NUM; ++i)
9397 symbols [sindex ++] = NULL;
9399 symbols [sindex ++] = "blob";
9400 symbols [sindex ++] = "class_name_table";
9401 symbols [sindex ++] = "class_info_offsets";
9402 symbols [sindex ++] = "method_info_offsets";
9403 symbols [sindex ++] = "ex_info_offsets";
9404 symbols [sindex ++] = "extra_method_info_offsets";
9405 symbols [sindex ++] = "extra_method_table";
9406 symbols [sindex ++] = "got_info_offsets";
9408 symbols [sindex ++] = "llvm_got_info_offsets";
9410 symbols [sindex ++] = NULL;
9411 symbols [sindex ++] = "image_table";
9413 symbols [sindex ++] = "mem_end";
9414 symbols [sindex ++] = "assembly_guid";
9415 symbols [sindex ++] = "runtime_version";
9416 if (acfg->num_trampoline_got_entries) {
9417 symbols [sindex ++] = "specific_trampolines";
9418 symbols [sindex ++] = "static_rgctx_trampolines";
9419 symbols [sindex ++] = "imt_thunks";
9420 symbols [sindex ++] = "gsharedvt_arg_trampolines";
9422 symbols [sindex ++] = NULL;
9423 symbols [sindex ++] = NULL;
9424 symbols [sindex ++] = NULL;
9425 symbols [sindex ++] = NULL;
9427 if (acfg->aot_opts.static_link) {
9428 symbols [sindex ++] = "globals";
9430 symbols [sindex ++] = NULL;
9432 symbols [sindex ++] = "assembly_name";
9433 symbols [sindex ++] = "plt";
9434 symbols [sindex ++] = "plt_end";
9435 symbols [sindex ++] = "unwind_info";
9436 if (!acfg->aot_opts.llvm_only) {
9437 symbols [sindex ++] = "unbox_trampolines";
9438 symbols [sindex ++] = "unbox_trampolines_end";
9439 symbols [sindex ++] = "unbox_trampoline_addresses";
9441 symbols [sindex ++] = NULL;
9442 symbols [sindex ++] = NULL;
9443 symbols [sindex ++] = NULL;
9446 g_assert (sindex == MONO_AOT_FILE_INFO_NUM_SYMBOLS);
9448 sprintf (symbol, "%smono_aot_file_info", acfg->user_symbol_prefix);
9449 emit_section_change (acfg, ".data", 0);
9450 emit_alignment (acfg, 8);
9451 emit_label (acfg, symbol);
9452 if (!acfg->aot_opts.static_link)
9453 emit_global (acfg, symbol, FALSE);
9455 /* The data emitted here must match MonoAotFileInfo. */
9457 emit_int32 (acfg, info->version);
9458 emit_int32 (acfg, info->dummy);
9461 * We emit pointers to our data structures instead of emitting global symbols which
9462 * point to them, to reduce the number of globals, and because using globals leads to
9463 * various problems (i.e. arm/thumb).
9465 for (i = 0; i < MONO_AOT_FILE_INFO_NUM_SYMBOLS; ++i)
9466 emit_pointer (acfg, symbols [i]);
9468 emit_int32 (acfg, info->plt_got_offset_base);
9469 emit_int32 (acfg, info->got_size);
9470 emit_int32 (acfg, info->plt_size);
9471 emit_int32 (acfg, info->nmethods);
9472 emit_int32 (acfg, info->flags);
9473 emit_int32 (acfg, info->opts);
9474 emit_int32 (acfg, info->simd_opts);
9475 emit_int32 (acfg, info->gc_name_index);
9476 emit_int32 (acfg, info->num_rgctx_fetch_trampolines);
9477 emit_int32 (acfg, info->double_align);
9478 emit_int32 (acfg, info->long_align);
9479 emit_int32 (acfg, info->generic_tramp_num);
9480 emit_int32 (acfg, info->tramp_page_size);
9481 emit_int32 (acfg, info->nshared_got_entries);
9482 emit_int32 (acfg, info->datafile_size);
9484 for (i = 0; i < MONO_AOT_TABLE_NUM; ++i)
9485 emit_int32 (acfg, info->table_offsets [i]);
9486 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9487 emit_int32 (acfg, info->num_trampolines [i]);
9488 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9489 emit_int32 (acfg, info->trampoline_got_offset_base [i]);
9490 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9491 emit_int32 (acfg, info->trampoline_size [i]);
9492 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9493 emit_int32 (acfg, info->tramp_page_code_offsets [i]);
9495 if (acfg->aot_opts.static_link) {
9496 emit_global_inner (acfg, acfg->static_linking_symbol, FALSE);
9497 emit_alignment (acfg, sizeof (gpointer));
9498 emit_label (acfg, acfg->static_linking_symbol);
9499 emit_pointer_2 (acfg, acfg->user_symbol_prefix, "mono_aot_file_info");
9504 * Emit a structure containing all the information not stored elsewhere.
9507 emit_file_info (MonoAotCompile *acfg)
9510 MonoAotFileInfo *info;
9512 if (acfg->aot_opts.bind_to_runtime_version) {
9513 build_info = mono_get_runtime_build_info ();
9514 emit_string_symbol (acfg, "runtime_version", build_info);
9515 g_free (build_info);
9517 emit_string_symbol (acfg, "runtime_version", "");
9520 emit_string_symbol (acfg, "assembly_guid" , acfg->image->guid);
9522 /* Emit a string holding the assembly name */
9523 emit_string_symbol (acfg, "assembly_name", acfg->image->assembly->aname.name);
9525 info = g_new0 (MonoAotFileInfo, 1);
9526 init_aot_file_info (acfg, info);
9528 if (acfg->aot_opts.static_link) {
9529 char symbol [MAX_SYMBOL_SIZE];
9533 * Emit a global symbol which can be passed by an embedding app to
9534 * mono_aot_register_module (). The symbol points to a pointer to the the file info
9537 sprintf (symbol, "%smono_aot_module_%s_info", acfg->user_symbol_prefix, acfg->image->assembly->aname.name);
9539 /* Get rid of characters which cannot occur in symbols */
9541 for (p = symbol; *p; ++p) {
9542 if (!(isalnum (*p) || *p == '_'))
9545 acfg->static_linking_symbol = g_strdup (symbol);
9549 mono_llvm_emit_aot_file_info (info, acfg->has_jitted_code);
9551 emit_aot_file_info (acfg, info);
9555 emit_blob (MonoAotCompile *acfg)
9557 acfg->blob_closed = TRUE;
9559 emit_aot_data (acfg, MONO_AOT_TABLE_BLOB, "blob", (guint8*)acfg->blob.data, acfg->blob.index);
9563 emit_objc_selectors (MonoAotCompile *acfg)
9568 if (!acfg->objc_selectors || acfg->objc_selectors->len == 0)
9573 * cat > foo.m << EOF
9576 * return @selector(print:);
9581 mono_img_writer_emit_unset_mode (acfg->w);
9582 g_assert (acfg->fp);
9583 fprintf (acfg->fp, ".section __DATA,__objc_selrefs,literal_pointers,no_dead_strip\n");
9584 fprintf (acfg->fp, ".align 3\n");
9585 for (i = 0; i < acfg->objc_selectors->len; ++i) {
9586 sprintf (symbol, "L_OBJC_SELECTOR_REFERENCES_%d", i);
9587 emit_label (acfg, symbol);
9588 sprintf (symbol, "L_OBJC_METH_VAR_NAME_%d", i);
9589 emit_pointer (acfg, symbol);
9592 fprintf (acfg->fp, ".section __TEXT,__cstring,cstring_literals\n");
9593 for (i = 0; i < acfg->objc_selectors->len; ++i) {
9594 fprintf (acfg->fp, "L_OBJC_METH_VAR_NAME_%d:\n", i);
9595 fprintf (acfg->fp, ".asciz \"%s\"\n", (char*)g_ptr_array_index (acfg->objc_selectors, i));
9598 fprintf (acfg->fp, ".section __DATA,__objc_imageinfo,regular,no_dead_strip\n");
9599 fprintf (acfg->fp, ".align 3\n");
9600 fprintf (acfg->fp, "L_OBJC_IMAGE_INFO:\n");
9601 fprintf (acfg->fp, ".long 0\n");
9602 fprintf (acfg->fp, ".long 16\n");
9606 emit_dwarf_info (MonoAotCompile *acfg)
9608 #ifdef EMIT_DWARF_INFO
9612 /* DIEs for methods */
9613 for (i = 0; i < acfg->nmethods; ++i) {
9614 MonoCompile *cfg = acfg->cfgs [i];
9619 // FIXME: LLVM doesn't define .Lme_...
9620 if (cfg->compile_llvm)
9623 sprintf (symbol2, "%sme_%x", acfg->temp_prefix, i);
9625 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 ()));
9631 collect_methods (MonoAotCompile *acfg)
9634 MonoImage *image = acfg->image;
9636 /* Collect methods */
9637 for (i = 0; i < image->tables [MONO_TABLE_METHOD].rows; ++i) {
9640 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
9642 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
9645 aot_printerrf (acfg, "Failed to load method 0x%x from '%s' due to %s.\n", token, image->name, mono_error_get_message (&error));
9646 aot_printerrf (acfg, "Run with MONO_LOG_LEVEL=debug for more information.\n");
9647 mono_error_cleanup (&error);
9651 /* Load all methods eagerly to skip the slower lazy loading code */
9652 mono_class_setup_methods (method->klass);
9654 if (mono_aot_mode_is_full (&acfg->aot_opts) && method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
9655 /* Compile the wrapper instead */
9656 /* We do this here instead of add_wrappers () because it is easy to do it here */
9657 MonoMethod *wrapper = mono_marshal_get_native_wrapper (method, TRUE, TRUE);
9661 /* FIXME: Some mscorlib methods don't have debug info */
9663 if (acfg->aot_opts.soft_debug && !method->wrapper_type) {
9664 if (!((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
9665 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
9666 (method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
9667 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL))) {
9668 if (!mono_debug_lookup_method (method)) {
9669 fprintf (stderr, "Method %s has no debug info, probably the .mdb file for the assembly is missing.\n", mono_method_get_full_name (method));
9676 if (method->is_generic || method->klass->generic_container)
9677 /* Compile the ref shared version instead */
9678 method = mini_get_shared_method (method);
9680 /* Since we add the normal methods first, their index will be equal to their zero based token index */
9681 add_method_with_index (acfg, method, i, FALSE);
9682 acfg->method_index ++;
9685 /* gsharedvt methods */
9686 for (mindex = 0; mindex < image->tables [MONO_TABLE_METHOD].rows; ++mindex) {
9689 guint32 token = MONO_TOKEN_METHOD_DEF | (mindex + 1);
9691 if (!(acfg->opts & MONO_OPT_GSHAREDVT))
9694 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
9695 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
9697 if (method->is_generic || method->klass->generic_container) {
9698 MonoMethod *gshared;
9700 gshared = mini_get_shared_method_full (method, TRUE, TRUE);
9701 add_extra_method (acfg, gshared);
9705 add_generic_instances (acfg);
9707 if (mono_aot_mode_is_full (&acfg->aot_opts))
9708 add_wrappers (acfg);
9713 compile_methods (MonoAotCompile *acfg)
9717 if (acfg->aot_opts.nthreads > 0) {
9722 gpointer *user_data;
9723 MonoMethod **methods;
9726 methods_len = acfg->methods->len;
9728 len = acfg->methods->len / acfg->aot_opts.nthreads;
9731 * Partition the list of methods into fragments, and hand it to threads to
9734 threads = g_ptr_array_new ();
9735 /* Make a copy since acfg->methods is modified by compile_method () */
9736 methods = g_new0 (MonoMethod*, methods_len);
9737 //memcpy (methods, g_ptr_array_index (acfg->methods, 0), sizeof (MonoMethod*) * methods_len);
9738 for (i = 0; i < methods_len; ++i)
9739 methods [i] = (MonoMethod *)g_ptr_array_index (acfg->methods, i);
9741 while (i < methods_len) {
9742 frag = g_ptr_array_new ();
9743 for (j = 0; j < len; ++j) {
9744 if (i < methods_len) {
9745 g_ptr_array_add (frag, methods [i]);
9750 user_data = g_new0 (gpointer, 3);
9751 user_data [0] = mono_domain_get ();
9752 user_data [1] = acfg;
9753 user_data [2] = frag;
9757 tp.creation_flags = 0;
9758 handle = mono_threads_create_thread ((LPTHREAD_START_ROUTINE)compile_thread_main, user_data, &tp, NULL);
9759 g_ptr_array_add (threads, handle);
9763 for (i = 0; i < threads->len; ++i) {
9764 WaitForSingleObjectEx (g_ptr_array_index (threads, i), INFINITE, FALSE);
9770 /* Compile methods added by compile_method () or all methods if nthreads == 0 */
9771 for (i = methods_len; i < acfg->methods->len; ++i) {
9772 /* This can new methods to acfg->methods */
9773 compile_method (acfg, (MonoMethod *)g_ptr_array_index (acfg->methods, i));
9778 compile_asm (MonoAotCompile *acfg)
9780 char *command, *objfile;
9781 char *outfile_name, *tmp_outfile_name, *llvm_ofile;
9782 const char *tool_prefix = acfg->aot_opts.tool_prefix ? acfg->aot_opts.tool_prefix : "";
9783 char *ld_flags = acfg->aot_opts.ld_flags ? acfg->aot_opts.ld_flags : g_strdup("");
9785 #if defined(TARGET_AMD64) && !defined(TARGET_MACH)
9786 #define AS_OPTIONS "--64"
9787 #elif defined(TARGET_POWERPC64)
9788 #define AS_OPTIONS "-a64 -mppc64"
9789 #elif defined(sparc) && SIZEOF_VOID_P == 8
9790 #define AS_OPTIONS "-xarch=v9"
9791 #elif defined(TARGET_X86) && defined(TARGET_MACH) && !defined(__native_client_codegen__)
9792 #define AS_OPTIONS "-arch i386"
9794 #define AS_OPTIONS ""
9797 #ifdef __native_client_codegen__
9798 #if defined(TARGET_AMD64)
9799 #define AS_NAME "nacl64-as"
9801 #define AS_NAME "nacl-as"
9803 #elif defined(TARGET_OSX)
9804 #define AS_NAME "clang"
9806 #define AS_NAME "as"
9810 #define LD_NAME "ld"
9811 #define LD_OPTIONS "-shared -G"
9812 #elif defined(__ppc__) && defined(TARGET_MACH)
9813 #define LD_NAME "gcc"
9814 #define LD_OPTIONS "-dynamiclib"
9815 #elif defined(TARGET_AMD64) && defined(TARGET_MACH)
9816 #define LD_NAME "clang"
9817 #define LD_OPTIONS "--shared"
9818 #elif defined(TARGET_WIN32) && !defined(TARGET_ANDROID)
9819 #define LD_NAME "gcc"
9820 #define LD_OPTIONS "-shared"
9821 #elif defined(TARGET_X86) && defined(TARGET_MACH) && !defined(__native_client_codegen__)
9822 #define LD_NAME "clang"
9823 #define LD_OPTIONS "-m32 -dynamiclib"
9824 #elif defined(TARGET_ARM) && !defined(TARGET_ANDROID)
9825 #define LD_NAME "gcc"
9826 #define LD_OPTIONS "--shared"
9827 #elif defined(TARGET_POWERPC64)
9828 #define LD_OPTIONS "-m elf64ppc"
9832 #define LD_OPTIONS ""
9835 if (acfg->aot_opts.asm_only) {
9836 aot_printf (acfg, "Output file: '%s'.\n", acfg->tmpfname);
9837 if (acfg->aot_opts.static_link)
9838 aot_printf (acfg, "Linking symbol: '%s'.\n", acfg->static_linking_symbol);
9840 aot_printf (acfg, "LLVM output file: '%s'.\n", acfg->llvm_sfile);
9844 if (acfg->aot_opts.static_link) {
9845 if (acfg->aot_opts.outfile)
9846 objfile = g_strdup_printf ("%s", acfg->aot_opts.outfile);
9848 objfile = g_strdup_printf ("%s.o", acfg->image->name);
9850 objfile = g_strdup_printf ("%s.o", acfg->tmpfname);
9854 g_string_append (acfg->as_args, "-c -x assembler");
9857 command = g_strdup_printf ("\"%s%s\" %s %s -o %s %s", tool_prefix, AS_NAME, AS_OPTIONS,
9858 acfg->as_args ? acfg->as_args->str : "",
9859 wrap_path (objfile), wrap_path (acfg->tmpfname));
9860 aot_printf (acfg, "Executing the native assembler: %s\n", command);
9861 if (execute_system (command) != 0) {
9867 if (acfg->llvm && !acfg->llvm_owriter) {
9868 command = g_strdup_printf ("\"%s%s\" %s %s -o %s %s", tool_prefix, AS_NAME, AS_OPTIONS,
9869 acfg->as_args ? acfg->as_args->str : "",
9870 wrap_path (acfg->llvm_ofile), wrap_path (acfg->llvm_sfile));
9871 aot_printf (acfg, "Executing the native assembler: %s\n", command);
9872 if (execute_system (command) != 0) {
9881 if (acfg->aot_opts.static_link) {
9882 aot_printf (acfg, "Output file: '%s'.\n", objfile);
9883 aot_printf (acfg, "Linking symbol: '%s'.\n", acfg->static_linking_symbol);
9888 if (acfg->aot_opts.outfile)
9889 outfile_name = g_strdup_printf ("%s", acfg->aot_opts.outfile);
9891 outfile_name = g_strdup_printf ("%s%s", acfg->image->name, MONO_SOLIB_EXT);
9893 tmp_outfile_name = g_strdup_printf ("%s.tmp", outfile_name);
9896 llvm_ofile = g_strdup_printf ("\"%s\"", acfg->llvm_ofile);
9898 llvm_ofile = g_strdup ("");
9901 /* replace the ; flags separators with spaces */
9902 g_strdelimit (ld_flags, ";", ' ');
9904 if (acfg->aot_opts.llvm_only)
9905 ld_flags = g_strdup_printf ("%s %s", ld_flags, "-lstdc++");
9908 command = g_strdup_printf ("%s%s %s -o %s %s %s %s", tool_prefix, LD_NAME, LD_OPTIONS,
9909 wrap_path (tmp_outfile_name), wrap_path (llvm_ofile),
9910 wrap_path (g_strdup_printf ("%s.o", acfg->tmpfname)), ld_flags);
9913 command = g_strdup_printf ("\"%sld\" %s -shared -o %s %s %s %s", tool_prefix, LD_OPTIONS,
9914 wrap_path (tmp_outfile_name), wrap_path (llvm_ofile),
9915 wrap_path (g_strdup_printf ("%s.o", acfg->tmpfname)), ld_flags);
9917 aot_printf (acfg, "Executing the native linker: %s\n", command);
9918 if (execute_system (command) != 0) {
9919 g_free (tmp_outfile_name);
9920 g_free (outfile_name);
9929 /*com = g_strdup_printf ("strip --strip-unneeded %s%s", acfg->image->name, MONO_SOLIB_EXT);
9930 printf ("Stripping the binary: %s\n", com);
9931 execute_system (com);
9934 #if defined(TARGET_ARM) && !defined(TARGET_MACH)
9936 * gas generates 'mapping symbols' each time code and data is mixed, which
9937 * happens a lot in emit_and_reloc_code (), so we need to get rid of them.
9939 command = g_strdup_printf ("\"%sstrip\" --strip-symbol=\\$a --strip-symbol=\\$d %s", tool_prefix, tmp_outfile_name);
9940 aot_printf (acfg, "Stripping the binary: %s\n", command);
9941 if (execute_system (command) != 0) {
9942 g_free (tmp_outfile_name);
9943 g_free (outfile_name);
9950 if (0 != rename (tmp_outfile_name, outfile_name)) {
9951 if (G_FILE_ERROR_EXIST == g_file_error_from_errno (errno)) {
9952 /* Since we are rebuilding the module we need to be able to replace any old copies. Remove old file and retry rename operation. */
9953 unlink (outfile_name);
9954 rename (tmp_outfile_name, outfile_name);
9958 #if defined(TARGET_MACH)
9959 command = g_strdup_printf ("dsymutil \"%s\"", outfile_name);
9960 aot_printf (acfg, "Executing dsymutil: %s\n", command);
9961 if (execute_system (command) != 0) {
9966 if (!acfg->aot_opts.save_temps)
9969 g_free (tmp_outfile_name);
9970 g_free (outfile_name);
9973 if (acfg->aot_opts.save_temps)
9974 aot_printf (acfg, "Retained input file.\n");
9976 unlink (acfg->tmpfname);
9981 static void init_got_info (GotInfo *info)
9985 info->patch_to_got_offset = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
9986 info->patch_to_got_offset_by_type = g_new0 (GHashTable*, MONO_PATCH_INFO_NUM);
9987 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i)
9988 info->patch_to_got_offset_by_type [i] = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
9989 info->got_patches = g_ptr_array_new ();
9992 static MonoAotCompile*
9993 acfg_create (MonoAssembly *ass, guint32 opts)
9995 MonoImage *image = ass->image;
9996 MonoAotCompile *acfg;
9998 acfg = g_new0 (MonoAotCompile, 1);
9999 acfg->methods = g_ptr_array_new ();
10000 acfg->method_indexes = g_hash_table_new (NULL, NULL);
10001 acfg->method_depth = g_hash_table_new (NULL, NULL);
10002 acfg->plt_offset_to_entry = g_hash_table_new (NULL, NULL);
10003 acfg->patch_to_plt_entry = g_new0 (GHashTable*, MONO_PATCH_INFO_NUM);
10004 acfg->method_to_cfg = g_hash_table_new (NULL, NULL);
10005 acfg->token_info_hash = g_hash_table_new_full (NULL, NULL, NULL, NULL);
10006 acfg->method_to_pinvoke_import = g_hash_table_new_full (NULL, NULL, NULL, g_free);
10007 acfg->image_hash = g_hash_table_new (NULL, NULL);
10008 acfg->image_table = g_ptr_array_new ();
10009 acfg->globals = g_ptr_array_new ();
10010 acfg->image = image;
10012 /* TODO: Write out set of SIMD instructions used, rather than just those available */
10013 acfg->simd_opts = mono_arch_cpu_enumerate_simd_versions ();
10014 acfg->mempool = mono_mempool_new ();
10015 acfg->extra_methods = g_ptr_array_new ();
10016 acfg->unwind_info_offsets = g_hash_table_new (NULL, NULL);
10017 acfg->unwind_ops = g_ptr_array_new ();
10018 acfg->method_label_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
10019 acfg->method_order = g_ptr_array_new ();
10020 acfg->export_names = g_hash_table_new (NULL, NULL);
10021 acfg->klass_blob_hash = g_hash_table_new (NULL, NULL);
10022 acfg->method_blob_hash = g_hash_table_new (NULL, NULL);
10023 acfg->plt_entry_debug_sym_cache = g_hash_table_new (g_str_hash, g_str_equal);
10024 acfg->gsharedvt_in_signatures = g_hash_table_new ((GHashFunc)mono_signature_hash, (GEqualFunc)mono_metadata_signature_equal);
10025 acfg->gsharedvt_out_signatures = g_hash_table_new ((GHashFunc)mono_signature_hash, (GEqualFunc)mono_metadata_signature_equal);
10026 mono_os_mutex_init_recursive (&acfg->mutex);
10028 init_got_info (&acfg->got_info);
10029 init_got_info (&acfg->llvm_got_info);
10035 got_info_free (GotInfo *info)
10039 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i)
10040 g_hash_table_destroy (info->patch_to_got_offset_by_type [i]);
10041 g_free (info->patch_to_got_offset_by_type);
10042 g_hash_table_destroy (info->patch_to_got_offset);
10043 g_ptr_array_free (info->got_patches, TRUE);
10047 acfg_free (MonoAotCompile *acfg)
10051 mono_img_writer_destroy (acfg->w);
10052 for (i = 0; i < acfg->nmethods; ++i)
10053 if (acfg->cfgs [i])
10054 g_free (acfg->cfgs [i]);
10055 g_free (acfg->cfgs);
10056 g_free (acfg->static_linking_symbol);
10057 g_free (acfg->got_symbol);
10058 g_free (acfg->plt_symbol);
10059 g_ptr_array_free (acfg->methods, TRUE);
10060 g_ptr_array_free (acfg->image_table, TRUE);
10061 g_ptr_array_free (acfg->globals, TRUE);
10062 g_ptr_array_free (acfg->unwind_ops, TRUE);
10063 g_hash_table_destroy (acfg->method_indexes);
10064 g_hash_table_destroy (acfg->method_depth);
10065 g_hash_table_destroy (acfg->plt_offset_to_entry);
10066 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i) {
10067 if (acfg->patch_to_plt_entry [i])
10068 g_hash_table_destroy (acfg->patch_to_plt_entry [i]);
10070 g_free (acfg->patch_to_plt_entry);
10071 g_hash_table_destroy (acfg->method_to_cfg);
10072 g_hash_table_destroy (acfg->token_info_hash);
10073 g_hash_table_destroy (acfg->method_to_pinvoke_import);
10074 g_hash_table_destroy (acfg->image_hash);
10075 g_hash_table_destroy (acfg->unwind_info_offsets);
10076 g_hash_table_destroy (acfg->method_label_hash);
10077 if (acfg->typespec_classes)
10078 g_hash_table_destroy (acfg->typespec_classes);
10079 g_hash_table_destroy (acfg->export_names);
10080 g_hash_table_destroy (acfg->plt_entry_debug_sym_cache);
10081 g_hash_table_destroy (acfg->klass_blob_hash);
10082 g_hash_table_destroy (acfg->method_blob_hash);
10083 got_info_free (&acfg->got_info);
10084 got_info_free (&acfg->llvm_got_info);
10085 mono_mempool_destroy (acfg->mempool);
10089 #define WRAPPER(e,n) n,
10090 static const char* const
10091 wrapper_type_names [MONO_WRAPPER_NUM + 1] = {
10092 #include "mono/metadata/wrapper-types.h"
10096 static G_GNUC_UNUSED const char*
10097 get_wrapper_type_name (int type)
10099 return wrapper_type_names [type];
10105 static void aot_dump (MonoAotCompile *acfg)
10111 mono_json_writer_init (&writer);
10113 mono_json_writer_object_begin(&writer);
10116 mono_json_writer_indent (&writer);
10117 mono_json_writer_object_key(&writer, "methods");
10118 mono_json_writer_array_begin (&writer);
10121 for (i = 0; i < acfg->nmethods; ++i) {
10123 MonoMethod *method;
10126 cfg = acfg->cfgs [i];
10130 method = cfg->orig_method;
10132 mono_json_writer_indent (&writer);
10133 mono_json_writer_object_begin(&writer);
10135 mono_json_writer_indent (&writer);
10136 mono_json_writer_object_key(&writer, "name");
10137 mono_json_writer_printf (&writer, "\"%s\",\n", method->name);
10139 mono_json_writer_indent (&writer);
10140 mono_json_writer_object_key(&writer, "signature");
10141 mono_json_writer_printf (&writer, "\"%s\",\n", mono_method_get_full_name (method));
10143 mono_json_writer_indent (&writer);
10144 mono_json_writer_object_key(&writer, "code_size");
10145 mono_json_writer_printf (&writer, "\"%d\",\n", cfg->code_size);
10147 klass = method->klass;
10149 mono_json_writer_indent (&writer);
10150 mono_json_writer_object_key(&writer, "class");
10151 mono_json_writer_printf (&writer, "\"%s\",\n", klass->name);
10153 mono_json_writer_indent (&writer);
10154 mono_json_writer_object_key(&writer, "namespace");
10155 mono_json_writer_printf (&writer, "\"%s\",\n", klass->name_space);
10157 mono_json_writer_indent (&writer);
10158 mono_json_writer_object_key(&writer, "wrapper_type");
10159 mono_json_writer_printf (&writer, "\"%s\",\n", get_wrapper_type_name(method->wrapper_type));
10161 mono_json_writer_indent_pop (&writer);
10162 mono_json_writer_indent (&writer);
10163 mono_json_writer_object_end (&writer);
10164 mono_json_writer_printf (&writer, ",\n");
10167 mono_json_writer_indent_pop (&writer);
10168 mono_json_writer_indent (&writer);
10169 mono_json_writer_array_end (&writer);
10170 mono_json_writer_printf (&writer, ",\n");
10174 mono_json_writer_indent_push (&writer);
10175 mono_json_writer_indent (&writer);
10176 mono_json_writer_object_key(&writer, "plt");
10177 mono_json_writer_array_begin (&writer);
10179 for (i = 0; i < acfg->plt_offset; ++i) {
10180 MonoPltEntry *plt_entry = NULL;
10185 * The first plt entry is unused.
10189 plt_entry = g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
10190 ji = plt_entry->ji;
10192 mono_json_writer_indent (&writer);
10193 mono_json_writer_printf (&writer, "{ ");
10194 mono_json_writer_object_key(&writer, "symbol");
10195 mono_json_writer_printf (&writer, "\"%s\" },\n", plt_entry->symbol);
10198 mono_json_writer_indent_pop (&writer);
10199 mono_json_writer_indent (&writer);
10200 mono_json_writer_array_end (&writer);
10201 mono_json_writer_printf (&writer, ",\n");
10206 mono_json_writer_indent_push (&writer);
10207 mono_json_writer_indent (&writer);
10208 mono_json_writer_object_key(&writer, "got");
10209 mono_json_writer_array_begin (&writer);
10211 mono_json_writer_indent_push (&writer);
10212 for (i = 0; i < acfg->got_info.got_patches->len; ++i) {
10213 MonoJumpInfo *ji = g_ptr_array_index (acfg->got_info.got_patches, i);
10215 mono_json_writer_indent (&writer);
10216 mono_json_writer_printf (&writer, "{ ");
10217 mono_json_writer_object_key(&writer, "patch_name");
10218 mono_json_writer_printf (&writer, "\"%s\" },\n", get_patch_name (ji->type));
10221 mono_json_writer_indent_pop (&writer);
10222 mono_json_writer_indent (&writer);
10223 mono_json_writer_array_end (&writer);
10224 mono_json_writer_printf (&writer, ",\n");
10227 mono_json_writer_indent_pop (&writer);
10228 mono_json_writer_indent (&writer);
10229 mono_json_writer_object_end (&writer);
10231 dumpname = g_strdup_printf ("%s.json", g_path_get_basename (acfg->image->name));
10232 dumpfile = fopen (dumpname, "w+");
10235 fprintf (dumpfile, "%s", writer.text->str);
10238 mono_json_writer_destroy (&writer);
10241 static const char *preinited_jit_icalls[] = {
10242 "mono_aot_init_llvm_method",
10243 "mono_aot_init_gshared_method_this",
10244 "mono_aot_init_gshared_method_mrgctx",
10245 "mono_aot_init_gshared_method_vtable",
10246 "mono_llvm_throw_corlib_exception",
10247 "mono_init_vtable_slot",
10248 "mono_helper_ldstr_mscorlib"
10252 add_preinit_got_slots (MonoAotCompile *acfg)
10258 * Allocate the first few GOT entries to information which is needed frequently, or it is needed
10259 * during method initialization etc.
10262 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10263 ji->type = MONO_PATCH_INFO_IMAGE;
10264 ji->data.image = acfg->image;
10265 get_got_offset (acfg, FALSE, ji);
10266 get_got_offset (acfg, TRUE, ji);
10268 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10269 ji->type = MONO_PATCH_INFO_MSCORLIB_GOT_ADDR;
10270 get_got_offset (acfg, FALSE, ji);
10271 get_got_offset (acfg, TRUE, ji);
10273 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10274 ji->type = MONO_PATCH_INFO_GC_CARD_TABLE_ADDR;
10275 get_got_offset (acfg, FALSE, ji);
10276 get_got_offset (acfg, TRUE, ji);
10278 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10279 ji->type = MONO_PATCH_INFO_GC_NURSERY_START;
10280 get_got_offset (acfg, FALSE, ji);
10281 get_got_offset (acfg, TRUE, ji);
10283 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10284 ji->type = MONO_PATCH_INFO_JIT_TLS_ID;
10285 get_got_offset (acfg, FALSE, ji);
10286 get_got_offset (acfg, TRUE, ji);
10288 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10289 ji->type = MONO_PATCH_INFO_AOT_MODULE;
10290 get_got_offset (acfg, FALSE, ji);
10291 get_got_offset (acfg, TRUE, ji);
10293 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10294 ji->type = MONO_PATCH_INFO_GC_NURSERY_BITS;
10295 get_got_offset (acfg, FALSE, ji);
10296 get_got_offset (acfg, TRUE, ji);
10298 for (i = 0; i < sizeof (preinited_jit_icalls) / sizeof (char*); ++i) {
10299 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoAotCompile));
10300 ji->type = MONO_PATCH_INFO_INTERNAL_METHOD;
10301 ji->data.name = preinited_jit_icalls [i];
10302 get_got_offset (acfg, FALSE, ji);
10303 get_got_offset (acfg, TRUE, ji);
10306 acfg->nshared_got_entries = acfg->got_offset;
10310 mono_compile_assembly (MonoAssembly *ass, guint32 opts, const char *aot_options)
10312 MonoImage *image = ass->image;
10315 MonoAotCompile *acfg;
10316 char *outfile_name, *tmp_outfile_name, *p;
10317 char llvm_stats_msg [256];
10321 acfg = acfg_create (ass, opts);
10323 memset (&acfg->aot_opts, 0, sizeof (acfg->aot_opts));
10324 acfg->aot_opts.write_symbols = TRUE;
10325 acfg->aot_opts.ntrampolines = 4096;
10326 acfg->aot_opts.nrgctx_trampolines = 4096;
10327 acfg->aot_opts.nimt_trampolines = 512;
10328 acfg->aot_opts.nrgctx_fetch_trampolines = 128;
10329 acfg->aot_opts.ngsharedvt_arg_trampolines = 512;
10330 acfg->aot_opts.llvm_path = g_strdup ("");
10331 acfg->aot_opts.temp_path = g_strdup ("");
10333 acfg->aot_opts.use_trampolines_page = TRUE;
10336 mono_aot_parse_options (aot_options, &acfg->aot_opts);
10338 if (acfg->aot_opts.logfile) {
10339 acfg->logfile = fopen (acfg->aot_opts.logfile, "a+");
10342 if (acfg->aot_opts.data_outfile) {
10343 acfg->data_outfile = fopen (acfg->aot_opts.data_outfile, "w+");
10344 if (!acfg->data_outfile) {
10345 aot_printerrf (acfg, "Unable to create file '%s': %s\n", acfg->aot_opts.data_outfile, strerror (errno));
10348 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_SEPARATE_DATA);
10351 //acfg->aot_opts.print_skipped_methods = TRUE;
10353 #if !defined(MONO_ARCH_GSHAREDVT_SUPPORTED)
10354 if (opts & MONO_OPT_GSHAREDVT) {
10355 aot_printerrf (acfg, "-O=gsharedvt not supported on this platform.\n");
10360 #if !defined(MONO_ARCH_GSHAREDVT_SUPPORTED)
10361 if (!acfg->aot_opts.llvm_only && (opts & MONO_OPT_GSHAREDVT)) {
10362 aot_printerrf (acfg, "-O=gsharedvt not supported on this platform.\n");
10367 if (acfg->aot_opts.llvm_only) {
10368 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
10369 aot_printerrf (acfg, "--aot=llvmonly requires a runtime that supports gsharedvt.\n");
10374 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED)
10375 if (acfg->aot_opts.llvm_only || mono_aot_mode_is_full (&acfg->aot_opts)) {
10376 acfg->opts |= MONO_OPT_GSHAREDVT;
10377 opts |= MONO_OPT_GSHAREDVT;
10381 if (opts & MONO_OPT_GSHAREDVT)
10382 mono_set_generic_sharing_vt_supported (TRUE);
10384 aot_printf (acfg, "Mono Ahead of Time compiler - compiling assembly %s\n", image->name);
10386 #ifndef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
10387 if (mono_aot_mode_is_full (&acfg->aot_opts)) {
10388 aot_printerrf (acfg, "--aot=full is not supported on this platform.\n");
10393 if (acfg->aot_opts.direct_pinvoke && !acfg->aot_opts.static_link) {
10394 aot_printerrf (acfg, "The 'direct-pinvoke' AOT option also requires the 'static' AOT option.\n");
10398 if (acfg->aot_opts.static_link)
10399 acfg->aot_opts.asm_writer = TRUE;
10401 if (acfg->aot_opts.soft_debug) {
10402 MonoDebugOptions *opt = mini_get_debug_options ();
10404 opt->mdb_optimizations = TRUE;
10405 opt->gen_sdb_seq_points = TRUE;
10407 if (!mono_debug_enabled ()) {
10408 aot_printerrf (acfg, "The soft-debug AOT option requires the --debug option.\n");
10411 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_DEBUG);
10414 if (mono_use_llvm || acfg->aot_opts.llvm) {
10416 acfg->aot_opts.asm_writer = TRUE;
10417 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_WITH_LLVM);
10419 if (acfg->aot_opts.soft_debug) {
10420 aot_printerrf (acfg, "The 'soft-debug' option is not supported when compiling with LLVM.\n");
10426 if (acfg->aot_opts.asm_only && !acfg->aot_opts.llvm_outfile) {
10427 aot_printerrf (acfg, "Compiling with LLVM and the asm-only option requires the llvm-outputfile= option.");
10432 * Emit all LLVM code into a separate assembly/object file and link with it
10435 if (!acfg->aot_opts.asm_only) {
10436 acfg->llvm_owriter = TRUE;
10437 } else if (acfg->aot_opts.llvm_outfile) {
10438 int len = strlen (acfg->aot_opts.llvm_outfile);
10440 if (len >= 2 && acfg->aot_opts.llvm_outfile [len - 2] == '.' && acfg->aot_opts.llvm_outfile [len - 1] == 'o')
10441 acfg->llvm_owriter = TRUE;
10445 if (mono_aot_mode_is_full (&acfg->aot_opts))
10446 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_FULL_AOT);
10448 if (mono_threads_is_coop_enabled ())
10449 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_SAFEPOINTS);
10451 if (acfg->aot_opts.instances_logfile_path) {
10452 acfg->instances_logfile = fopen (acfg->aot_opts.instances_logfile_path, "w");
10453 if (!acfg->instances_logfile) {
10454 aot_printerrf (acfg, "Unable to create logfile: '%s'.\n", acfg->aot_opts.instances_logfile_path);
10459 load_profile_files (acfg);
10461 acfg->num_trampolines [MONO_AOT_TRAMP_SPECIFIC] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.ntrampolines : 0;
10462 #ifdef MONO_ARCH_GSHARED_SUPPORTED
10463 acfg->num_trampolines [MONO_AOT_TRAMP_STATIC_RGCTX] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.nrgctx_trampolines : 0;
10465 acfg->num_trampolines [MONO_AOT_TRAMP_IMT_THUNK] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.nimt_trampolines : 0;
10466 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
10467 if (acfg->opts & MONO_OPT_GSHAREDVT)
10468 acfg->num_trampolines [MONO_AOT_TRAMP_GSHAREDVT_ARG] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.ngsharedvt_arg_trampolines : 0;
10471 acfg->temp_prefix = mono_img_writer_get_temp_label_prefix (NULL);
10475 if (acfg->llvm && acfg->thumb_mixed)
10476 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_LLVM_THUMB);
10477 if (acfg->aot_opts.llvm_only)
10478 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_LLVM_ONLY);
10480 acfg->assembly_name_sym = g_strdup (acfg->image->assembly->aname.name);
10481 /* Get rid of characters which cannot occur in symbols */
10482 for (p = acfg->assembly_name_sym; *p; ++p) {
10483 if (!(isalnum (*p) || *p == '_'))
10487 acfg->global_prefix = g_strdup_printf ("mono_aot_%s", acfg->assembly_name_sym);
10488 acfg->plt_symbol = g_strdup_printf ("%s_plt", acfg->global_prefix);
10489 acfg->got_symbol = g_strdup_printf ("%s_got", acfg->global_prefix);
10491 acfg->llvm_got_symbol = g_strdup_printf ("%s_llvm_got", acfg->global_prefix);
10492 acfg->llvm_eh_frame_symbol = g_strdup_printf ("%s_eh_frame", acfg->global_prefix);
10495 acfg->method_index = 1;
10497 if (mono_aot_mode_is_full (&acfg->aot_opts))
10498 mono_set_partial_sharing_supported (TRUE);
10500 res = collect_methods (acfg);
10504 acfg->cfgs_size = acfg->methods->len + 32;
10505 acfg->cfgs = g_new0 (MonoCompile*, acfg->cfgs_size);
10507 /* PLT offset 0 is reserved for the PLT trampoline */
10508 acfg->plt_offset = 1;
10509 add_preinit_got_slots (acfg);
10514 mono_llvm_create_aot_module (acfg->image->assembly, acfg->global_prefix, TRUE, acfg->aot_opts.static_link, acfg->aot_opts.llvm_only);
10520 compile_methods (acfg);
10524 acfg->stats.jit_time = TV_ELAPSED (atv, btv);
10530 if (acfg->aot_opts.asm_only) {
10531 if (acfg->aot_opts.outfile) {
10532 acfg->tmpfname = g_strdup_printf ("%s", acfg->aot_opts.outfile);
10533 acfg->tmpbasename = g_strdup (acfg->tmpfname);
10535 acfg->tmpbasename = g_strdup_printf ("%s", acfg->image->name);
10536 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->tmpbasename);
10538 g_assert (acfg->aot_opts.llvm_outfile);
10539 acfg->llvm_sfile = g_strdup (acfg->aot_opts.llvm_outfile);
10540 if (acfg->llvm_owriter)
10541 acfg->llvm_ofile = g_strdup (acfg->aot_opts.llvm_outfile);
10543 acfg->llvm_sfile = g_strdup (acfg->aot_opts.llvm_outfile);
10545 acfg->tmpbasename = (strcmp (acfg->aot_opts.temp_path, "") == 0) ?
10546 g_strdup_printf ("%s", "temp") :
10547 g_build_filename (acfg->aot_opts.temp_path, "temp", NULL);
10549 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->tmpbasename);
10550 acfg->llvm_sfile = g_strdup_printf ("%s-llvm.s", acfg->tmpbasename);
10551 acfg->llvm_ofile = g_strdup_printf ("%s-llvm.o", acfg->tmpbasename);
10556 if (acfg->aot_opts.asm_only && !acfg->aot_opts.llvm_only) {
10557 if (acfg->aot_opts.outfile)
10558 acfg->tmpfname = g_strdup_printf ("%s", acfg->aot_opts.outfile);
10560 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->image->name);
10561 acfg->fp = fopen (acfg->tmpfname, "w+");
10563 int i = g_file_open_tmp ("mono_aot_XXXXXX", &acfg->tmpfname, NULL);
10564 acfg->fp = fdopen (i, "w+");
10566 if (acfg->fp == 0 && !acfg->aot_opts.llvm_only) {
10567 aot_printerrf (acfg, "Unable to open file '%s': %s\n", acfg->tmpfname, strerror (errno));
10571 acfg->w = mono_img_writer_create (acfg->fp, FALSE);
10573 tmp_outfile_name = NULL;
10574 outfile_name = NULL;
10576 /* Compute symbols for methods */
10577 for (i = 0; i < acfg->nmethods; ++i) {
10578 if (acfg->cfgs [i]) {
10579 MonoCompile *cfg = acfg->cfgs [i];
10580 int method_index = get_method_index (acfg, cfg->orig_method);
10582 if (COMPILE_LLVM (cfg))
10583 cfg->asm_symbol = g_strdup_printf ("%s%s", acfg->llvm_label_prefix, cfg->llvm_method_name);
10584 else if (acfg->global_symbols || acfg->llvm)
10585 cfg->asm_symbol = get_debug_sym (cfg->orig_method, "", acfg->method_label_hash);
10587 cfg->asm_symbol = g_strdup_printf ("%s%sm_%x", acfg->temp_prefix, acfg->llvm_label_prefix, method_index);
10588 cfg->asm_debug_symbol = cfg->asm_symbol;
10592 if (acfg->aot_opts.dwarf_debug && acfg->aot_opts.gnu_asm) {
10594 * CLANG supports GAS .file/.loc directives, so emit line number information this way
10596 acfg->gas_line_numbers = TRUE;
10599 if ((!acfg->aot_opts.nodebug || acfg->aot_opts.dwarf_debug) && acfg->has_jitted_code) {
10600 if (acfg->aot_opts.dwarf_debug && !mono_debug_enabled ()) {
10601 aot_printerrf (acfg, "The dwarf AOT option requires the --debug option.\n");
10604 acfg->dwarf = mono_dwarf_writer_create (acfg->w, NULL, 0, !acfg->gas_line_numbers);
10608 mono_img_writer_emit_start (acfg->w);
10611 mono_dwarf_writer_emit_base_info (acfg->dwarf, g_path_get_basename (acfg->image->name), mono_unwind_get_cie_program ());
10617 emit_extra_methods (acfg);
10619 emit_trampolines (acfg);
10621 emit_class_name_table (acfg);
10623 emit_got_info (acfg, FALSE);
10625 emit_got_info (acfg, TRUE);
10627 emit_exception_info (acfg);
10629 emit_unwind_info (acfg);
10631 emit_class_info (acfg);
10635 emit_image_table (acfg);
10641 * The managed allocators are GC specific, so can't use an AOT image created by one GC
10644 const char *gc_name = mono_gc_get_gc_name ();
10645 acfg->gc_name_offset = add_to_blob (acfg, (guint8*)gc_name, strlen (gc_name) + 1);
10650 emit_objc_selectors (acfg);
10652 emit_globals (acfg);
10654 emit_file_info (acfg);
10657 emit_dwarf_info (acfg);
10658 mono_dwarf_writer_close (acfg->dwarf);
10661 emit_mem_end (acfg);
10663 if (acfg->need_pt_gnu_stack) {
10664 /* This is required so the .so doesn't have an executable stack */
10665 /* The bin writer already emits this */
10666 fprintf (acfg->fp, "\n.section .note.GNU-stack,\"\",@progbits\n");
10669 if (acfg->aot_opts.data_outfile)
10670 fclose (acfg->data_outfile);
10676 res = emit_llvm_file (acfg);
10684 acfg->stats.gen_time = TV_ELAPSED (atv, btv);
10687 sprintf (llvm_stats_msg, ", LLVM: %d (%d%%)", acfg->stats.llvm_count, acfg->stats.mcount ? (acfg->stats.llvm_count * 100) / acfg->stats.mcount : 100);
10689 strcpy (llvm_stats_msg, "");
10691 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;
10693 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",
10694 (int)acfg->stats.code_size, (int)(acfg->stats.code_size * 100 / all_sizes),
10695 (int)acfg->stats.info_size, (int)(acfg->stats.info_size * 100 / all_sizes),
10696 (int)acfg->stats.ex_info_size, (int)(acfg->stats.ex_info_size * 100 / all_sizes),
10697 (int)acfg->stats.unwind_info_size, (int)(acfg->stats.unwind_info_size * 100 / all_sizes),
10698 (int)acfg->stats.class_info_size, (int)(acfg->stats.class_info_size * 100 / all_sizes),
10699 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,
10700 (int)acfg->stats.got_info_size, (int)(acfg->stats.got_info_size * 100 / all_sizes),
10701 (int)acfg->stats.offsets_size, (int)(acfg->stats.offsets_size * 100 / all_sizes),
10702 (int)(acfg->got_offset * sizeof (gpointer)));
10703 aot_printf (acfg, "Compiled: %d/%d (%d%%)%s, No GOT slots: %d (%d%%), Direct calls: %d (%d%%)\n",
10704 acfg->stats.ccount, acfg->stats.mcount, acfg->stats.mcount ? (acfg->stats.ccount * 100) / acfg->stats.mcount : 100,
10706 acfg->stats.methods_without_got_slots, acfg->stats.mcount ? (acfg->stats.methods_without_got_slots * 100) / acfg->stats.mcount : 100,
10707 acfg->stats.direct_calls, acfg->stats.all_calls ? (acfg->stats.direct_calls * 100) / acfg->stats.all_calls : 100);
10708 if (acfg->stats.genericcount)
10709 aot_printf (acfg, "%d methods are generic (%d%%)\n", acfg->stats.genericcount, acfg->stats.mcount ? (acfg->stats.genericcount * 100) / acfg->stats.mcount : 100);
10710 if (acfg->stats.abscount)
10711 aot_printf (acfg, "%d methods contain absolute addresses (%d%%)\n", acfg->stats.abscount, acfg->stats.mcount ? (acfg->stats.abscount * 100) / acfg->stats.mcount : 100);
10712 if (acfg->stats.lmfcount)
10713 aot_printf (acfg, "%d methods contain lmf pointers (%d%%)\n", acfg->stats.lmfcount, acfg->stats.mcount ? (acfg->stats.lmfcount * 100) / acfg->stats.mcount : 100);
10714 if (acfg->stats.ocount)
10715 aot_printf (acfg, "%d methods have other problems (%d%%)\n", acfg->stats.ocount, acfg->stats.mcount ? (acfg->stats.ocount * 100) / acfg->stats.mcount : 100);
10719 res = mono_img_writer_emit_writeout (acfg->w);
10724 res = compile_asm (acfg);
10731 acfg->stats.link_time = TV_ELAPSED (atv, btv);
10733 if (acfg->aot_opts.stats) {
10736 aot_printf (acfg, "GOT slot distribution:\n");
10737 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i)
10738 if (acfg->stats.got_slot_types [i])
10739 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]);
10740 aot_printf (acfg, "\nMethod stats:\n");
10741 aot_printf (acfg, "\tNormal: %d\n", acfg->stats.method_categories [METHOD_CAT_NORMAL]);
10742 aot_printf (acfg, "\tInstance: %d\n", acfg->stats.method_categories [METHOD_CAT_INST]);
10743 aot_printf (acfg, "\tGSharedvt: %d\n", acfg->stats.method_categories [METHOD_CAT_GSHAREDVT]);
10744 aot_printf (acfg, "\tWrapper: %d\n", acfg->stats.method_categories [METHOD_CAT_WRAPPER]);
10747 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);
10749 if (acfg->aot_opts.dump_json)
10762 mono_aot_readonly_field_override (MonoClassField *field)
10768 mono_compile_assembly (MonoAssembly *ass, guint32 opts, const char *aot_options)
10774 mono_aot_is_shared_got_offset (int offset)