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");
906 g_string_append (acfg->llc_args, " -mattr=+vfp2,-neon,+d16");
907 g_string_append (acfg->as_args, " -mfpu=vfp3");
909 g_string_append (acfg->llc_args, " -soft-float");
912 if (acfg->aot_opts.mtriple && strstr (acfg->aot_opts.mtriple, "thumb"))
913 acfg->thumb_mixed = TRUE;
915 if (acfg->aot_opts.mtriple)
916 mono_arch_set_target (acfg->aot_opts.mtriple);
920 acfg->inst_directive = ".inst";
921 if (acfg->aot_opts.mtriple)
922 mono_arch_set_target (acfg->aot_opts.mtriple);
926 acfg->user_symbol_prefix = "_";
927 acfg->llvm_label_prefix = "_";
928 acfg->inst_directive = ".word";
929 acfg->need_no_dead_strip = TRUE;
930 acfg->aot_opts.gnu_asm = TRUE;
933 #if defined(__linux__) && !defined(TARGET_ARM)
934 acfg->need_pt_gnu_stack = TRUE;
938 acfg->global_symbols = TRUE;
945 /* Load the contents of GOT_SLOT into dreg, clobbering ip0 */
947 arm64_emit_load_got_slot (MonoAotCompile *acfg, int dreg, int got_slot)
952 emit_unset_mode (acfg);
954 offset = (int)(got_slot * sizeof (gpointer));
956 /* clang's integrated assembler */
957 fprintf (acfg->fp, "adrp x16, %s@PAGE+%d\n", acfg->got_symbol, offset & 0xfffff000);
958 fprintf (acfg->fp, "add x16, x16, %s@PAGEOFF\n", acfg->got_symbol);
959 fprintf (acfg->fp, "ldr x%d, [x16, #%d]\n", dreg, offset & 0xfff);
962 fprintf (acfg->fp, "adrp x16, %s+%d\n", acfg->got_symbol, offset & 0xfffff000);
963 fprintf (acfg->fp, "add x16, x16, :lo12:%s\n", acfg->got_symbol);
964 fprintf (acfg->fp, "ldr x%d, [x16, %d]\n", dreg, offset & 0xfff);
969 arm64_emit_objc_selector_ref (MonoAotCompile *acfg, guint8 *code, int index, int *code_size)
974 emit_unset_mode (acfg);
977 reg = arm_get_ldr_lit_reg (code);
979 fprintf (acfg->fp, "adrp x%d, L_OBJC_SELECTOR_REFERENCES_%d@PAGE\n", reg, index);
980 fprintf (acfg->fp, "add x%d, x%d, L_OBJC_SELECTOR_REFERENCES_%d@PAGEOFF\n", reg, reg, index);
981 fprintf (acfg->fp, "ldr x%d, [x%d]\n", reg, reg);
987 arm64_emit_direct_call (MonoAotCompile *acfg, const char *target, gboolean external, gboolean thumb, MonoJumpInfo *ji, int *call_size)
990 emit_unset_mode (acfg);
991 if (ji && ji->relocation == MONO_R_ARM64_B) {
992 fprintf (acfg->fp, "b %s\n", target);
995 g_assert (ji->relocation == MONO_R_ARM64_BL);
996 fprintf (acfg->fp, "bl %s\n", target);
1002 arm64_emit_got_access (MonoAotCompile *acfg, guint8 *code, int got_slot, int *code_size)
1006 /* ldr rt, target */
1007 reg = arm_get_ldr_lit_reg (code);
1008 arm64_emit_load_got_slot (acfg, reg, got_slot);
1013 arm64_emit_plt_entry (MonoAotCompile *acfg, const char *got_symbol, int offset, int info_offset)
1015 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset / sizeof (gpointer));
1016 fprintf (acfg->fp, "br x16\n");
1017 /* Used by mono_aot_get_plt_info_offset () */
1018 fprintf (acfg->fp, "%s %d\n", acfg->inst_directive, info_offset);
1022 arm64_emit_tramp_page_common_code (MonoAotCompile *acfg, int pagesize, int arg_reg, int *size)
1028 /* The common code */
1031 /* The trampoline address is in IP0 */
1032 arm_movzx (code, ARMREG_IP1, imm & 0xffff, 0);
1033 arm_movkx (code, ARMREG_IP1, (imm >> 16) & 0xffff, 16);
1034 /* Compute the data slot address */
1035 arm_subx (code, ARMREG_IP0, ARMREG_IP0, ARMREG_IP1);
1036 /* Trampoline argument */
1037 arm_ldrx (code, arg_reg, ARMREG_IP0, 0);
1039 arm_ldrx (code, ARMREG_IP0, ARMREG_IP0, 8);
1040 arm_brx (code, ARMREG_IP0);
1043 emit_code_bytes (acfg, buf, code - buf);
1049 arm64_emit_tramp_page_specific_code (MonoAotCompile *acfg, int pagesize, int common_tramp_size, int specific_tramp_size)
1055 count = (pagesize - common_tramp_size) / specific_tramp_size;
1056 for (i = 0; i < count; ++i) {
1058 arm_adrx (code, ARMREG_IP0, code);
1059 /* Branch to the generic code */
1060 arm_b (code, code - 4 - (i * specific_tramp_size) - common_tramp_size);
1061 /* This has to be 2 pointers long */
1064 g_assert (code - buf == specific_tramp_size);
1065 emit_code_bytes (acfg, buf, code - buf);
1070 arm64_emit_specific_trampoline_pages (MonoAotCompile *acfg)
1074 guint8 *labels [16];
1075 int common_tramp_size;
1076 int specific_tramp_size = 2 * 8;
1080 if (!acfg->aot_opts.use_trampolines_page)
1084 /* Have to match the target pagesize */
1087 pagesize = mono_pagesize ();
1089 acfg->tramp_page_size = pagesize;
1091 /* The specific trampolines */
1092 sprintf (symbol, "%sspecific_trampolines_page", acfg->user_symbol_prefix);
1093 emit_alignment (acfg, pagesize);
1094 emit_global (acfg, symbol, TRUE);
1095 emit_label (acfg, symbol);
1097 /* The common code */
1098 arm64_emit_tramp_page_common_code (acfg, pagesize, ARMREG_IP1, &common_tramp_size);
1099 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_SPECIFIC] = common_tramp_size;
1101 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1103 /* The rgctx trampolines */
1104 /* These are the same as the specific trampolines, but they load the argument into MONO_ARCH_RGCTX_REG */
1105 sprintf (symbol, "%srgctx_trampolines_page", acfg->user_symbol_prefix);
1106 emit_alignment (acfg, pagesize);
1107 emit_global (acfg, symbol, TRUE);
1108 emit_label (acfg, symbol);
1110 /* The common code */
1111 arm64_emit_tramp_page_common_code (acfg, pagesize, MONO_ARCH_RGCTX_REG, &common_tramp_size);
1112 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_STATIC_RGCTX] = common_tramp_size;
1114 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1116 /* The gsharedvt arg trampolines */
1117 /* These are the same as the specific trampolines */
1118 sprintf (symbol, "%sgsharedvt_arg_trampolines_page", acfg->user_symbol_prefix);
1119 emit_alignment (acfg, pagesize);
1120 emit_global (acfg, symbol, TRUE);
1121 emit_label (acfg, symbol);
1123 arm64_emit_tramp_page_common_code (acfg, pagesize, ARMREG_IP1, &common_tramp_size);
1124 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_GSHAREDVT_ARG] = common_tramp_size;
1126 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1128 /* The IMT trampolines */
1129 sprintf (symbol, "%simt_trampolines_page", acfg->user_symbol_prefix);
1130 emit_alignment (acfg, pagesize);
1131 emit_global (acfg, symbol, TRUE);
1132 emit_label (acfg, symbol);
1136 /* The trampoline address is in IP0 */
1137 arm_movzx (code, ARMREG_IP1, imm & 0xffff, 0);
1138 arm_movkx (code, ARMREG_IP1, (imm >> 16) & 0xffff, 16);
1139 /* Compute the data slot address */
1140 arm_subx (code, ARMREG_IP0, ARMREG_IP0, ARMREG_IP1);
1141 /* Trampoline argument */
1142 arm_ldrx (code, ARMREG_IP1, ARMREG_IP0, 0);
1144 /* Same as arch_emit_imt_thunk () */
1146 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 0);
1147 arm_cmpx (code, ARMREG_IP0, MONO_ARCH_RGCTX_REG);
1149 arm_bcc (code, ARMCOND_EQ, 0);
1151 /* End-of-loop check */
1153 arm_cbzx (code, ARMREG_IP0, 0);
1156 arm_addx_imm (code, ARMREG_IP1, ARMREG_IP1, 2 * 8);
1157 arm_b (code, labels [0]);
1160 mono_arm_patch (labels [1], code, MONO_R_ARM64_BCC);
1161 /* Load vtable slot addr */
1162 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1163 /* Load vtable slot */
1164 arm_ldrx (code, ARMREG_IP0, ARMREG_IP0, 0);
1165 arm_brx (code, ARMREG_IP0);
1168 mono_arm_patch (labels [2], code, MONO_R_ARM64_CBZ);
1169 /* Load fail addr */
1170 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1171 arm_brx (code, ARMREG_IP0);
1173 emit_code_bytes (acfg, buf, code - buf);
1175 common_tramp_size = code - buf;
1176 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_IMT_THUNK] = common_tramp_size;
1178 arm64_emit_tramp_page_specific_code (acfg, pagesize, common_tramp_size, specific_tramp_size);
1182 arm64_emit_specific_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1184 /* Load argument from second GOT slot */
1185 arm64_emit_load_got_slot (acfg, ARMREG_R17, offset + 1);
1186 /* Load generic trampoline address from first GOT slot */
1187 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset);
1188 fprintf (acfg->fp, "br x16\n");
1189 *tramp_size = 7 * 4;
1193 arm64_emit_unbox_trampoline (MonoAotCompile *acfg, MonoCompile *cfg, MonoMethod *method, const char *call_target)
1195 emit_unset_mode (acfg);
1196 fprintf (acfg->fp, "add x0, x0, %d\n", (int)(sizeof (MonoObject)));
1197 fprintf (acfg->fp, "b %s\n", call_target);
1201 arm64_emit_static_rgctx_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1203 /* Similar to the specific trampolines, but use the rgctx reg instead of ip1 */
1205 /* Load argument from first GOT slot */
1206 arm64_emit_load_got_slot (acfg, MONO_ARCH_RGCTX_REG, offset);
1207 /* Load generic trampoline address from second GOT slot */
1208 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset + 1);
1209 fprintf (acfg->fp, "br x16\n");
1210 *tramp_size = 7 * 4;
1214 arm64_emit_imt_thunk (MonoAotCompile *acfg, int offset, int *tramp_size)
1217 guint8 *code, *labels [16];
1219 /* Load parameter from GOT slot into ip1 */
1220 arm64_emit_load_got_slot (acfg, ARMREG_R17, offset);
1224 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 0);
1225 arm_cmpx (code, ARMREG_IP0, MONO_ARCH_RGCTX_REG);
1227 arm_bcc (code, ARMCOND_EQ, 0);
1229 /* End-of-loop check */
1231 arm_cbzx (code, ARMREG_IP0, 0);
1234 arm_addx_imm (code, ARMREG_IP1, ARMREG_IP1, 2 * 8);
1235 arm_b (code, labels [0]);
1238 mono_arm_patch (labels [1], code, MONO_R_ARM64_BCC);
1239 /* Load vtable slot addr */
1240 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1241 /* Load vtable slot */
1242 arm_ldrx (code, ARMREG_IP0, ARMREG_IP0, 0);
1243 arm_brx (code, ARMREG_IP0);
1246 mono_arm_patch (labels [2], code, MONO_R_ARM64_CBZ);
1247 /* Load fail addr */
1248 arm_ldrx (code, ARMREG_IP0, ARMREG_IP1, 8);
1249 arm_brx (code, ARMREG_IP0);
1251 emit_code_bytes (acfg, buf, code - buf);
1253 *tramp_size = code - buf + (3 * 4);
1257 arm64_emit_gsharedvt_arg_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1259 /* Similar to the specific trampolines, but the address is in the second slot */
1260 /* Load argument from first GOT slot */
1261 arm64_emit_load_got_slot (acfg, ARMREG_R17, offset);
1262 /* Load generic trampoline address from second GOT slot */
1263 arm64_emit_load_got_slot (acfg, ARMREG_R16, offset + 1);
1264 fprintf (acfg->fp, "br x16\n");
1265 *tramp_size = 7 * 4;
1271 #ifdef MONO_ARCH_AOT_SUPPORTED
1273 * arch_emit_direct_call:
1275 * Emit a direct call to the symbol TARGET. CALL_SIZE is set to the size of the
1279 arch_emit_direct_call (MonoAotCompile *acfg, const char *target, gboolean external, gboolean thumb, MonoJumpInfo *ji, int *call_size)
1281 #if defined(TARGET_X86) || defined(TARGET_AMD64)
1282 /* Need to make sure this is exactly 5 bytes long */
1283 emit_unset_mode (acfg);
1284 fprintf (acfg->fp, "call %s\n", target);
1286 #elif defined(TARGET_ARM)
1287 emit_unset_mode (acfg);
1289 fprintf (acfg->fp, "blx %s\n", target);
1291 fprintf (acfg->fp, "bl %s\n", target);
1293 #elif defined(TARGET_ARM64)
1294 arm64_emit_direct_call (acfg, target, external, thumb, ji, call_size);
1295 #elif defined(TARGET_POWERPC)
1296 emit_unset_mode (acfg);
1297 fprintf (acfg->fp, "bl %s\n", target);
1300 g_assert_not_reached ();
1307 * - we use an approach similar to the x86 abi: reserve a register (r30) to hold
1309 * - The full-aot trampolines need access to the GOT of mscorlib, so we store
1310 * in in the 2. slot of every GOT, and require every method to place the GOT
1311 * address in r30, even when it doesn't access the GOT otherwise. This way,
1312 * the trampolines can compute the mscorlib GOT address by loading 4(r30).
1317 * PPC64 uses function descriptors which greatly complicate all code, since
1318 * these are used very inconsistently in the runtime. Some functions like
1319 * mono_compile_method () return ftn descriptors, while others like the
1320 * trampoline creation functions do not.
1321 * We assume that all GOT slots contain function descriptors, and create
1322 * descriptors in aot-runtime.c when needed.
1323 * The ppc64 abi uses r2 to hold the address of the TOC/GOT, which is loaded
1324 * from function descriptors, we could do the same, but it would require
1325 * rewriting all the ppc/aot code to handle function descriptors properly.
1326 * So instead, we use the same approach as on PPC32.
1327 * This is a horrible mess, but fixing it would probably lead to an even bigger
1333 * - similar to the PPC32 design, we reserve EBX to hold the GOT pointer.
1336 #ifdef MONO_ARCH_AOT_SUPPORTED
1338 * arch_emit_got_offset:
1340 * The memory pointed to by CODE should hold native code for computing the GOT
1341 * address (OP_LOAD_GOTADDR). Emit this code while patching it with the offset
1342 * between code and the GOT. CODE_SIZE is set to the number of bytes emitted.
1345 arch_emit_got_offset (MonoAotCompile *acfg, guint8 *code, int *code_size)
1347 #if defined(TARGET_POWERPC64)
1348 emit_unset_mode (acfg);
1350 * The ppc32 code doesn't seem to work on ppc64, the assembler complains about
1351 * unsupported relocations. So we store the got address into the .Lgot_addr
1352 * symbol which is in the text segment, compute its address, and load it.
1354 fprintf (acfg->fp, ".L%d:\n", acfg->label_generator);
1355 fprintf (acfg->fp, "lis 0, (.Lgot_addr + 4 - .L%d)@h\n", acfg->label_generator);
1356 fprintf (acfg->fp, "ori 0, 0, (.Lgot_addr + 4 - .L%d)@l\n", acfg->label_generator);
1357 fprintf (acfg->fp, "add 30, 30, 0\n");
1358 fprintf (acfg->fp, "%s 30, 0(30)\n", PPC_LD_OP);
1359 acfg->label_generator ++;
1361 #elif defined(TARGET_POWERPC)
1362 emit_unset_mode (acfg);
1363 fprintf (acfg->fp, ".L%d:\n", acfg->label_generator);
1364 fprintf (acfg->fp, "lis 0, (%s + 4 - .L%d)@h\n", acfg->got_symbol, acfg->label_generator);
1365 fprintf (acfg->fp, "ori 0, 0, (%s + 4 - .L%d)@l\n", acfg->got_symbol, acfg->label_generator);
1366 acfg->label_generator ++;
1369 guint32 offset = mono_arch_get_patch_offset (code);
1370 emit_bytes (acfg, code, offset);
1371 emit_symbol_diff (acfg, acfg->got_symbol, ".", offset);
1373 *code_size = offset + 4;
1378 * arch_emit_got_access:
1380 * The memory pointed to by CODE should hold native code for loading a GOT
1381 * slot (OP_AOTCONST/OP_GOT_ENTRY). Emit this code while patching it so it accesses the
1382 * GOT slot GOT_SLOT. CODE_SIZE is set to the number of bytes emitted.
1385 arch_emit_got_access (MonoAotCompile *acfg, const char *got_symbol, guint8 *code, int got_slot, int *code_size)
1388 /* mov reg, got+offset(%rip) */
1390 /* The GOT symbol is in the LLVM module, the clang assembler has problems emitting symbol diffs for it */
1394 /* Decode reg, see amd64_mov_reg_membase () */
1395 rex_r = code [0] & AMD64_REX_R;
1396 g_assert (code [0] == 0x49 + rex_r);
1397 g_assert (code [1] == 0x8b);
1398 dreg = ((code [2] >> 3) & 0x7) + (rex_r ? 8 : 0);
1400 emit_unset_mode (acfg);
1401 fprintf (acfg->fp, "mov %s+%d(%%rip), %s\n", got_symbol, (unsigned int) ((got_slot * sizeof (gpointer))), mono_arch_regname (dreg));
1404 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1405 emit_symbol_diff (acfg, got_symbol, ".", (unsigned int) ((got_slot * sizeof (gpointer)) - 4));
1406 *code_size = mono_arch_get_patch_offset (code) + 4;
1408 #elif defined(TARGET_X86)
1409 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1410 emit_int32 (acfg, (unsigned int) ((got_slot * sizeof (gpointer))));
1411 *code_size = mono_arch_get_patch_offset (code) + 4;
1412 #elif defined(TARGET_ARM)
1413 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1414 emit_symbol_diff (acfg, got_symbol, ".", (unsigned int) ((got_slot * sizeof (gpointer))) - 12);
1415 *code_size = mono_arch_get_patch_offset (code) + 4;
1416 #elif defined(TARGET_ARM64)
1417 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1418 arm64_emit_got_access (acfg, code, got_slot, code_size);
1419 #elif defined(TARGET_POWERPC)
1424 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
1426 ppc_load32 (code, ppc_r0, got_slot * sizeof (gpointer));
1427 g_assert (code - buf == 8);
1428 emit_bytes (acfg, buf, code - buf);
1429 *code_size = code - buf;
1432 g_assert_not_reached ();
1438 #ifdef MONO_ARCH_AOT_SUPPORTED
1440 * arch_emit_objc_selector_ref:
1442 * Emit the implementation of OP_OBJC_GET_SELECTOR, which itself implements @selector(foo:) in objective-c.
1445 arch_emit_objc_selector_ref (MonoAotCompile *acfg, guint8 *code, int index, int *code_size)
1447 #if defined(TARGET_ARM)
1448 char symbol1 [MAX_SYMBOL_SIZE];
1449 char symbol2 [MAX_SYMBOL_SIZE];
1450 int lindex = acfg->objc_selector_index_2 ++;
1452 /* Emit ldr.imm/b */
1453 emit_bytes (acfg, code, 8);
1455 sprintf (symbol1, "L_OBJC_SELECTOR_%d", lindex);
1456 sprintf (symbol2, "L_OBJC_SELECTOR_REFERENCES_%d", index);
1458 emit_label (acfg, symbol1);
1459 mono_img_writer_emit_unset_mode (acfg->w);
1460 fprintf (acfg->fp, ".long %s-(%s+12)", symbol2, symbol1);
1463 #elif defined(TARGET_ARM64)
1464 arm64_emit_objc_selector_ref (acfg, code, index, code_size);
1466 g_assert_not_reached ();
1472 * arch_emit_plt_entry:
1474 * Emit code for the PLT entry.
1475 * The plt entry should look like this:
1476 * <indirect jump to GOT_SYMBOL + OFFSET>
1477 * <INFO_OFFSET embedded into the instruction stream>
1480 arch_emit_plt_entry (MonoAotCompile *acfg, const char *got_symbol, int offset, int info_offset)
1482 #if defined(TARGET_X86)
1483 /* jmp *<offset>(%ebx) */
1484 emit_byte (acfg, 0xff);
1485 emit_byte (acfg, 0xa3);
1486 emit_int32 (acfg, offset);
1487 /* Used by mono_aot_get_plt_info_offset */
1488 emit_int32 (acfg, info_offset);
1489 #elif defined(TARGET_AMD64)
1490 emit_unset_mode (acfg);
1491 fprintf (acfg->fp, "jmp *%s+%d(%%rip)\n", got_symbol, offset);
1492 /* Used by mono_aot_get_plt_info_offset */
1493 emit_int32 (acfg, info_offset);
1494 acfg->stats.plt_size += 10;
1495 #elif defined(TARGET_ARM)
1500 ARM_LDR_IMM (code, ARMREG_IP, ARMREG_PC, 0);
1501 ARM_LDR_REG_REG (code, ARMREG_PC, ARMREG_PC, ARMREG_IP);
1502 emit_bytes (acfg, buf, code - buf);
1503 emit_symbol_diff (acfg, got_symbol, ".", offset - 4);
1504 /* Used by mono_aot_get_plt_info_offset */
1505 emit_int32 (acfg, info_offset);
1506 #elif defined(TARGET_ARM64)
1507 arm64_emit_plt_entry (acfg, got_symbol, offset, info_offset);
1508 #elif defined(TARGET_POWERPC)
1509 /* The GOT address is guaranteed to be in r30 by OP_LOAD_GOTADDR */
1510 emit_unset_mode (acfg);
1511 fprintf (acfg->fp, "lis 11, %d@h\n", offset);
1512 fprintf (acfg->fp, "ori 11, 11, %d@l\n", offset);
1513 fprintf (acfg->fp, "add 11, 11, 30\n");
1514 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
1515 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1516 fprintf (acfg->fp, "%s 2, %d(11)\n", PPC_LD_OP, (int)sizeof (gpointer));
1517 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
1519 fprintf (acfg->fp, "mtctr 11\n");
1520 fprintf (acfg->fp, "bctr\n");
1521 emit_int32 (acfg, info_offset);
1523 g_assert_not_reached ();
1528 * arch_emit_llvm_plt_entry:
1530 * Same as arch_emit_plt_entry, but handles calls from LLVM generated code.
1531 * This is only needed on arm to handle thumb interop.
1534 arch_emit_llvm_plt_entry (MonoAotCompile *acfg, const char *got_symbol, int offset, int info_offset)
1536 #if defined(TARGET_ARM)
1537 /* LLVM calls the PLT entries using bl, so these have to be thumb2 */
1538 /* The caller already transitioned to thumb */
1539 /* The code below should be 12 bytes long */
1540 /* clang has trouble encoding these instructions, so emit the binary */
1542 fprintf (acfg->fp, "ldr ip, [pc, #8]\n");
1543 /* thumb can't encode ld pc, [pc, ip] */
1544 fprintf (acfg->fp, "add ip, pc, ip\n");
1545 fprintf (acfg->fp, "ldr ip, [ip, #0]\n");
1546 fprintf (acfg->fp, "bx ip\n");
1548 emit_set_thumb_mode (acfg);
1549 fprintf (acfg->fp, ".4byte 0xc008f8df\n");
1550 fprintf (acfg->fp, ".2byte 0x44fc\n");
1551 fprintf (acfg->fp, ".4byte 0xc000f8dc\n");
1552 fprintf (acfg->fp, ".2byte 0x4760\n");
1553 emit_symbol_diff (acfg, got_symbol, ".", offset + 4);
1554 emit_int32 (acfg, info_offset);
1555 emit_unset_mode (acfg);
1556 emit_set_arm_mode (acfg);
1558 g_assert_not_reached ();
1562 /* Save unwind_info in the module and emit the offset to the information at symbol */
1563 static void save_unwind_info (MonoAotCompile *acfg, char *symbol, GSList *unwind_ops)
1565 guint32 uw_offset, encoded_len;
1568 emit_section_change (acfg, RODATA_SECT, 0);
1569 emit_global (acfg, symbol, FALSE);
1570 emit_label (acfg, symbol);
1572 encoded = mono_unwind_ops_encode (unwind_ops, &encoded_len);
1573 uw_offset = get_unwind_info_offset (acfg, encoded, encoded_len);
1575 emit_int32 (acfg, uw_offset);
1579 * arch_emit_specific_trampoline_pages:
1581 * Emits a page full of trampolines: each trampoline uses its own address to
1582 * lookup both the generic trampoline code and the data argument.
1583 * This page can be remapped in process multiple times so we can get an
1584 * unlimited number of trampolines.
1585 * Specifically this implementation uses the following trick: two memory pages
1586 * are allocated, with the first containing the data and the second containing the trampolines.
1587 * To reduce trampoline size, each trampoline jumps at the start of the page where a common
1588 * implementation does all the lifting.
1589 * Note that the ARM single trampoline size is 8 bytes, exactly like the data that needs to be stored
1590 * on the arm 32 bit system.
1593 arch_emit_specific_trampoline_pages (MonoAotCompile *acfg)
1595 #if defined(TARGET_ARM)
1598 guint8 *loop_start, *loop_branch_back, *loop_end_check, *imt_found_check;
1600 int pagesize = MONO_AOT_TRAMP_PAGE_SIZE;
1601 GSList *unwind_ops = NULL;
1602 #define COMMON_TRAMP_SIZE 16
1603 int count = (pagesize - COMMON_TRAMP_SIZE) / 8;
1604 int imm8, rot_amount;
1607 if (!acfg->aot_opts.use_trampolines_page)
1610 acfg->tramp_page_size = pagesize;
1612 sprintf (symbol, "%sspecific_trampolines_page", acfg->user_symbol_prefix);
1613 emit_alignment (acfg, pagesize);
1614 emit_global (acfg, symbol, TRUE);
1615 emit_label (acfg, symbol);
1617 /* emit the generic code first, the trampoline address + 8 is in the lr register */
1619 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1620 ARM_SUB_REG_IMM (code, ARMREG_LR, ARMREG_LR, imm8, rot_amount);
1621 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_LR, -8);
1622 ARM_LDR_IMM (code, ARMREG_PC, ARMREG_LR, -4);
1624 g_assert (code - buf == COMMON_TRAMP_SIZE);
1627 emit_bytes (acfg, buf, code - buf);
1629 for (i = 0; i < count; ++i) {
1631 ARM_PUSH (code, 0x5fff);
1633 arm_patch (code - 4, code - COMMON_TRAMP_SIZE - 8 * (i + 1));
1634 g_assert (code - buf == 8);
1635 emit_bytes (acfg, buf, code - buf);
1638 /* now the rgctx trampolines: each specific trampolines puts in the ip register
1639 * the instruction pointer address, so the generic trampoline at the start of the page
1640 * subtracts 4096 to get to the data page and loads the values
1641 * We again fit the generic trampiline in 16 bytes.
1643 sprintf (symbol, "%srgctx_trampolines_page", acfg->user_symbol_prefix);
1644 emit_global (acfg, symbol, TRUE);
1645 emit_label (acfg, symbol);
1647 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1648 ARM_SUB_REG_IMM (code, ARMREG_IP, ARMREG_IP, imm8, rot_amount);
1649 ARM_LDR_IMM (code, MONO_ARCH_RGCTX_REG, ARMREG_IP, -8);
1650 ARM_LDR_IMM (code, ARMREG_PC, ARMREG_IP, -4);
1652 g_assert (code - buf == COMMON_TRAMP_SIZE);
1655 emit_bytes (acfg, buf, code - buf);
1657 for (i = 0; i < count; ++i) {
1659 ARM_MOV_REG_REG (code, ARMREG_IP, ARMREG_PC);
1661 arm_patch (code - 4, code - COMMON_TRAMP_SIZE - 8 * (i + 1));
1662 g_assert (code - buf == 8);
1663 emit_bytes (acfg, buf, code - buf);
1667 * gsharedvt arg trampolines: see arch_emit_gsharedvt_arg_trampoline ()
1669 sprintf (symbol, "%sgsharedvt_arg_trampolines_page", acfg->user_symbol_prefix);
1670 emit_global (acfg, symbol, TRUE);
1671 emit_label (acfg, symbol);
1673 ARM_PUSH (code, (1 << ARMREG_R0) | (1 << ARMREG_R1) | (1 << ARMREG_R2) | (1 << ARMREG_R3));
1674 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1675 ARM_SUB_REG_IMM (code, ARMREG_IP, ARMREG_IP, imm8, rot_amount);
1676 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_IP, -8);
1677 ARM_LDR_IMM (code, ARMREG_PC, ARMREG_IP, -4);
1678 g_assert (code - buf == COMMON_TRAMP_SIZE);
1680 emit_bytes (acfg, buf, code - buf);
1682 for (i = 0; i < count; ++i) {
1684 ARM_MOV_REG_REG (code, ARMREG_IP, ARMREG_PC);
1686 arm_patch (code - 4, code - COMMON_TRAMP_SIZE - 8 * (i + 1));
1687 g_assert (code - buf == 8);
1688 emit_bytes (acfg, buf, code - buf);
1691 /* now the imt trampolines: each specific trampolines puts in the ip register
1692 * the instruction pointer address, so the generic trampoline at the start of the page
1693 * subtracts 4096 to get to the data page and loads the values
1695 #define IMT_TRAMP_SIZE 72
1696 sprintf (symbol, "%simt_trampolines_page", acfg->user_symbol_prefix);
1697 emit_global (acfg, symbol, TRUE);
1698 emit_label (acfg, symbol);
1700 /* Need at least two free registers, plus a slot for storing the pc */
1701 ARM_PUSH (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_R2));
1703 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1704 ARM_SUB_REG_IMM (code, ARMREG_IP, ARMREG_IP, imm8, rot_amount);
1705 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_IP, -8);
1707 /* The IMT method is in v5, r0 has the imt array address */
1710 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_R0, 0);
1711 ARM_CMP_REG_REG (code, ARMREG_R1, ARMREG_V5);
1712 imt_found_check = code;
1713 ARM_B_COND (code, ARMCOND_EQ, 0);
1715 /* End-of-loop check */
1716 ARM_CMP_REG_IMM (code, ARMREG_R1, 0, 0);
1717 loop_end_check = code;
1718 ARM_B_COND (code, ARMCOND_EQ, 0);
1721 ARM_ADD_REG_IMM8 (code, ARMREG_R0, ARMREG_R0, sizeof (gpointer) * 2);
1722 loop_branch_back = code;
1724 arm_patch (loop_branch_back, loop_start);
1727 arm_patch (imt_found_check, code);
1728 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
1729 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 0);
1730 /* Save it to the third stack slot */
1731 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
1732 /* Restore the registers and branch */
1733 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
1736 arm_patch (loop_end_check, code);
1737 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
1738 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
1739 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
1743 g_assert (code - buf == IMT_TRAMP_SIZE);
1744 emit_bytes (acfg, buf, code - buf);
1746 for (i = 0; i < count; ++i) {
1748 ARM_MOV_REG_REG (code, ARMREG_IP, ARMREG_PC);
1750 arm_patch (code - 4, code - IMT_TRAMP_SIZE - 8 * (i + 1));
1751 g_assert (code - buf == 8);
1752 emit_bytes (acfg, buf, code - buf);
1755 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_SPECIFIC] = 16;
1756 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_STATIC_RGCTX] = 16;
1757 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_IMT_THUNK] = 72;
1758 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_GSHAREDVT_ARG] = 16;
1760 /* Unwind info for specifc trampolines */
1761 sprintf (symbol, "%sspecific_trampolines_page_gen_p", acfg->user_symbol_prefix);
1762 /* We unwind to the original caller, from the stack, since lr is clobbered */
1763 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 14 * sizeof (mgreg_t));
1764 mono_add_unwind_op_offset (unwind_ops, 0, 0, ARMREG_LR, -4);
1765 save_unwind_info (acfg, symbol, unwind_ops);
1766 mono_free_unwind_info (unwind_ops);
1768 sprintf (symbol, "%sspecific_trampolines_page_sp_p", acfg->user_symbol_prefix);
1769 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1770 mono_add_unwind_op_def_cfa_offset (unwind_ops, 4, 0, 14 * sizeof (mgreg_t));
1771 save_unwind_info (acfg, symbol, unwind_ops);
1772 mono_free_unwind_info (unwind_ops);
1774 /* Unwind info for rgctx trampolines */
1775 sprintf (symbol, "%srgctx_trampolines_page_gen_p", acfg->user_symbol_prefix);
1776 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1777 save_unwind_info (acfg, symbol, unwind_ops);
1779 sprintf (symbol, "%srgctx_trampolines_page_sp_p", acfg->user_symbol_prefix);
1780 save_unwind_info (acfg, symbol, unwind_ops);
1781 mono_free_unwind_info (unwind_ops);
1783 /* Unwind info for gsharedvt trampolines */
1784 sprintf (symbol, "%sgsharedvt_trampolines_page_gen_p", acfg->user_symbol_prefix);
1785 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1786 mono_add_unwind_op_def_cfa_offset (unwind_ops, 4, 0, 4 * sizeof (mgreg_t));
1787 save_unwind_info (acfg, symbol, unwind_ops);
1788 mono_free_unwind_info (unwind_ops);
1790 sprintf (symbol, "%sgsharedvt_trampolines_page_sp_p", acfg->user_symbol_prefix);
1791 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1792 save_unwind_info (acfg, symbol, unwind_ops);
1793 mono_free_unwind_info (unwind_ops);
1795 /* Unwind info for imt trampolines */
1796 sprintf (symbol, "%simt_trampolines_page_gen_p", acfg->user_symbol_prefix);
1797 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1798 mono_add_unwind_op_def_cfa_offset (unwind_ops, 4, 0, 3 * sizeof (mgreg_t));
1799 save_unwind_info (acfg, symbol, unwind_ops);
1800 mono_free_unwind_info (unwind_ops);
1802 sprintf (symbol, "%simt_trampolines_page_sp_p", acfg->user_symbol_prefix);
1803 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1804 save_unwind_info (acfg, symbol, unwind_ops);
1805 mono_free_unwind_info (unwind_ops);
1806 #elif defined(TARGET_ARM64)
1807 arm64_emit_specific_trampoline_pages (acfg);
1812 * arch_emit_specific_trampoline:
1814 * Emit code for a specific trampoline. OFFSET is the offset of the first of
1815 * two GOT slots which contain the generic trampoline address and the trampoline
1816 * argument. TRAMP_SIZE is set to the size of the emitted trampoline.
1819 arch_emit_specific_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1822 * The trampolines created here are variations of the specific
1823 * trampolines created in mono_arch_create_specific_trampoline (). The
1825 * - the generic trampoline address is taken from a got slot.
1826 * - the offset of the got slot where the trampoline argument is stored
1827 * is embedded in the instruction stream, and the generic trampoline
1828 * can load the argument by loading the offset, adding it to the
1829 * address of the trampoline to get the address of the got slot, and
1830 * loading the argument from there.
1831 * - all the trampolines should be of the same length.
1833 #if defined(TARGET_AMD64)
1834 /* This should be exactly 8 bytes long */
1836 /* call *<offset>(%rip) */
1838 emit_unset_mode (acfg);
1839 fprintf (acfg->fp, "call *%s+%d(%%rip)\n", acfg->got_symbol, (int)(offset * sizeof (gpointer)));
1840 emit_zero_bytes (acfg, 2);
1842 emit_byte (acfg, '\x41');
1843 emit_byte (acfg, '\xff');
1844 emit_byte (acfg, '\x15');
1845 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4);
1846 emit_zero_bytes (acfg, 1);
1848 #elif defined(TARGET_ARM)
1852 /* This should be exactly 20 bytes long */
1855 ARM_PUSH (code, 0x5fff);
1856 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_PC, 4);
1857 /* Load the value from the GOT */
1858 ARM_LDR_REG_REG (code, ARMREG_R1, ARMREG_PC, ARMREG_R1);
1860 ARM_BLX_REG (code, ARMREG_R1);
1862 g_assert (code - buf == 16);
1865 emit_bytes (acfg, buf, code - buf);
1867 * Only one offset is needed, since the second one would be equal to the
1870 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4 + 4);
1871 //emit_symbol_diff (acfg, acfg->got_symbol, ".", ((offset + 1) * sizeof (gpointer)) - 4 + 8);
1872 #elif defined(TARGET_ARM64)
1873 arm64_emit_specific_trampoline (acfg, offset, tramp_size);
1874 #elif defined(TARGET_POWERPC)
1882 * PPC has no ip relative addressing, so we need to compute the address
1883 * of the mscorlib got. That is slow and complex, so instead, we store it
1884 * in the second got slot of every aot image. The caller already computed
1885 * the address of its got and placed it into r30.
1887 emit_unset_mode (acfg);
1888 /* Load mscorlib got address */
1889 fprintf (acfg->fp, "%s 0, %d(30)\n", PPC_LD_OP, (int)sizeof (gpointer));
1890 /* Load generic trampoline address */
1891 fprintf (acfg->fp, "lis 11, %d@h\n", (int)(offset * sizeof (gpointer)));
1892 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)(offset * sizeof (gpointer)));
1893 fprintf (acfg->fp, "%s 11, 11, 0\n", PPC_LDX_OP);
1894 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1895 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
1897 fprintf (acfg->fp, "mtctr 11\n");
1898 /* Load trampoline argument */
1899 /* On ppc, we pass it normally to the generic trampoline */
1900 fprintf (acfg->fp, "lis 11, %d@h\n", (int)((offset + 1) * sizeof (gpointer)));
1901 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)((offset + 1) * sizeof (gpointer)));
1902 fprintf (acfg->fp, "%s 0, 11, 0\n", PPC_LDX_OP);
1903 /* Branch to generic trampoline */
1904 fprintf (acfg->fp, "bctr\n");
1906 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1907 *tramp_size = 10 * 4;
1909 *tramp_size = 9 * 4;
1911 #elif defined(TARGET_X86)
1915 /* Similar to the PPC code above */
1917 /* FIXME: Could this clobber the register needed by get_vcall_slot () ? */
1920 /* Load mscorlib got address */
1921 x86_mov_reg_membase (code, X86_ECX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
1922 /* Push trampoline argument */
1923 x86_push_membase (code, X86_ECX, (offset + 1) * sizeof (gpointer));
1924 /* Load generic trampoline address */
1925 x86_mov_reg_membase (code, X86_ECX, X86_ECX, offset * sizeof (gpointer), 4);
1926 /* Branch to generic trampoline */
1927 x86_jump_reg (code, X86_ECX);
1929 emit_bytes (acfg, buf, code - buf);
1932 g_assert (code - buf == *tramp_size);
1934 g_assert_not_reached ();
1939 * arch_emit_unbox_trampoline:
1941 * Emit code for the unbox trampoline for METHOD used in the full-aot case.
1942 * CALL_TARGET is the symbol pointing to the native code of METHOD.
1945 arch_emit_unbox_trampoline (MonoAotCompile *acfg, MonoCompile *cfg, MonoMethod *method, const char *call_target)
1947 #if defined(TARGET_AMD64)
1952 this_reg = mono_arch_get_this_arg_reg (NULL);
1954 amd64_alu_reg_imm (code, X86_ADD, this_reg, sizeof (MonoObject));
1956 emit_bytes (acfg, buf, code - buf);
1959 emit_unset_mode (acfg);
1960 fprintf (acfg->fp, "jmp %s\n", call_target);
1962 emit_byte (acfg, '\xe9');
1963 emit_symbol_diff (acfg, call_target, ".", -4);
1965 #elif defined(TARGET_X86)
1972 x86_alu_membase_imm (code, X86_ADD, X86_ESP, this_pos, sizeof (MonoObject));
1974 emit_bytes (acfg, buf, code - buf);
1977 emit_byte (acfg, '\xe9');
1978 emit_symbol_diff (acfg, call_target, ".", -4);
1979 #elif defined(TARGET_ARM)
1983 if (acfg->thumb_mixed && cfg->compile_llvm) {
1984 fprintf (acfg->fp, "add r0, r0, #%d\n", (int)sizeof (MonoObject));
1985 fprintf (acfg->fp, "b %s\n", call_target);
1986 fprintf (acfg->fp, ".arm\n");
1987 fprintf (acfg->fp, ".align 2\n");
1993 ARM_ADD_REG_IMM8 (code, ARMREG_R0, ARMREG_R0, sizeof (MonoObject));
1995 emit_bytes (acfg, buf, code - buf);
1996 /* jump to method */
1997 if (acfg->thumb_mixed && cfg->compile_llvm)
1998 fprintf (acfg->fp, "\n\tbx %s\n", call_target);
2000 fprintf (acfg->fp, "\n\tb %s\n", call_target);
2001 #elif defined(TARGET_ARM64)
2002 arm64_emit_unbox_trampoline (acfg, cfg, method, call_target);
2003 #elif defined(TARGET_POWERPC)
2006 fprintf (acfg->fp, "\n\taddi %d, %d, %d\n", this_pos, this_pos, (int)sizeof (MonoObject));
2007 fprintf (acfg->fp, "\n\tb %s\n", call_target);
2009 g_assert_not_reached ();
2014 * arch_emit_static_rgctx_trampoline:
2016 * Emit code for a static rgctx trampoline. OFFSET is the offset of the first of
2017 * two GOT slots which contain the rgctx argument, and the method to jump to.
2018 * TRAMP_SIZE is set to the size of the emitted trampoline.
2019 * These kinds of trampolines cannot be enumerated statically, since there could
2020 * be one trampoline per method instantiation, so we emit the same code for all
2021 * trampolines, and parameterize them using two GOT slots.
2024 arch_emit_static_rgctx_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
2026 #if defined(TARGET_AMD64)
2027 /* This should be exactly 13 bytes long */
2031 emit_unset_mode (acfg);
2032 fprintf (acfg->fp, "mov %s+%d(%%rip), %%r10\n", acfg->got_symbol, (int)(offset * sizeof (gpointer)));
2033 fprintf (acfg->fp, "jmp *%s+%d(%%rip)\n", acfg->got_symbol, (int)((offset + 1) * sizeof (gpointer)));
2035 /* mov <OFFSET>(%rip), %r10 */
2036 emit_byte (acfg, '\x4d');
2037 emit_byte (acfg, '\x8b');
2038 emit_byte (acfg, '\x15');
2039 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4);
2041 /* jmp *<offset>(%rip) */
2042 emit_byte (acfg, '\xff');
2043 emit_byte (acfg, '\x25');
2044 emit_symbol_diff (acfg, acfg->got_symbol, ".", ((offset + 1) * sizeof (gpointer)) - 4);
2046 #elif defined(TARGET_ARM)
2050 /* This should be exactly 24 bytes long */
2053 /* Load rgctx value */
2054 ARM_LDR_IMM (code, ARMREG_IP, ARMREG_PC, 8);
2055 ARM_LDR_REG_REG (code, MONO_ARCH_RGCTX_REG, ARMREG_PC, ARMREG_IP);
2056 /* Load branch addr + branch */
2057 ARM_LDR_IMM (code, ARMREG_IP, ARMREG_PC, 4);
2058 ARM_LDR_REG_REG (code, ARMREG_PC, ARMREG_PC, ARMREG_IP);
2060 g_assert (code - buf == 16);
2063 emit_bytes (acfg, buf, code - buf);
2064 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4 + 8);
2065 emit_symbol_diff (acfg, acfg->got_symbol, ".", ((offset + 1) * sizeof (gpointer)) - 4 + 4);
2066 #elif defined(TARGET_ARM64)
2067 arm64_emit_static_rgctx_trampoline (acfg, offset, tramp_size);
2068 #elif defined(TARGET_POWERPC)
2076 * PPC has no ip relative addressing, so we need to compute the address
2077 * of the mscorlib got. That is slow and complex, so instead, we store it
2078 * in the second got slot of every aot image. The caller already computed
2079 * the address of its got and placed it into r30.
2081 emit_unset_mode (acfg);
2082 /* Load mscorlib got address */
2083 fprintf (acfg->fp, "%s 0, %d(30)\n", PPC_LD_OP, (int)sizeof (gpointer));
2085 fprintf (acfg->fp, "lis 11, %d@h\n", (int)(offset * sizeof (gpointer)));
2086 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)(offset * sizeof (gpointer)));
2087 fprintf (acfg->fp, "%s %d, 11, 0\n", PPC_LDX_OP, MONO_ARCH_RGCTX_REG);
2088 /* Load target address */
2089 fprintf (acfg->fp, "lis 11, %d@h\n", (int)((offset + 1) * sizeof (gpointer)));
2090 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)((offset + 1) * sizeof (gpointer)));
2091 fprintf (acfg->fp, "%s 11, 11, 0\n", PPC_LDX_OP);
2092 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
2093 fprintf (acfg->fp, "%s 2, %d(11)\n", PPC_LD_OP, (int)sizeof (gpointer));
2094 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
2096 fprintf (acfg->fp, "mtctr 11\n");
2097 /* Branch to the target address */
2098 fprintf (acfg->fp, "bctr\n");
2100 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
2101 *tramp_size = 11 * 4;
2103 *tramp_size = 9 * 4;
2106 #elif defined(TARGET_X86)
2110 /* Similar to the PPC code above */
2112 g_assert (MONO_ARCH_RGCTX_REG != X86_ECX);
2115 /* Load mscorlib got address */
2116 x86_mov_reg_membase (code, X86_ECX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
2118 x86_mov_reg_membase (code, MONO_ARCH_RGCTX_REG, X86_ECX, offset * sizeof (gpointer), 4);
2119 /* Branch to the target address */
2120 x86_jump_membase (code, X86_ECX, (offset + 1) * sizeof (gpointer));
2122 emit_bytes (acfg, buf, code - buf);
2125 g_assert (code - buf == *tramp_size);
2127 g_assert_not_reached ();
2132 * arch_emit_imt_thunk:
2134 * Emit an IMT thunk usable in full-aot mode. The thunk uses 1 got slot which
2135 * points to an array of pointer pairs. The pairs of the form [key, ptr], where
2136 * key is the IMT key, and ptr holds the address of a memory location holding
2137 * the address to branch to if the IMT arg matches the key. The array is
2138 * terminated by a pair whose key is NULL, and whose ptr is the address of the
2140 * TRAMP_SIZE is set to the size of the emitted trampoline.
2143 arch_emit_imt_thunk (MonoAotCompile *acfg, int offset, int *tramp_size)
2145 #if defined(TARGET_AMD64)
2147 guint8 *labels [16];
2149 guint8 *mov_buf_ptr = mov_buf;
2151 const int kSizeOfMove = 7;
2153 code = buf = (guint8 *)g_malloc (256);
2155 /* FIXME: Optimize this, i.e. use binary search etc. */
2156 /* Maybe move the body into a separate function (slower, but much smaller) */
2158 /* MONO_ARCH_IMT_SCRATCH_REG is a free register */
2161 emit_unset_mode (acfg);
2162 fprintf (acfg->fp, "mov %s+%d(%%rip), %s\n", acfg->got_symbol, (int)(offset * sizeof (gpointer)), mono_arch_regname (MONO_ARCH_IMT_SCRATCH_REG));
2166 amd64_alu_membase_imm (code, X86_CMP, MONO_ARCH_IMT_SCRATCH_REG, 0, 0);
2168 amd64_branch8 (code, X86_CC_Z, 0, FALSE);
2171 amd64_alu_membase_reg_size (code, X86_CMP, MONO_ARCH_IMT_SCRATCH_REG, 0, MONO_ARCH_IMT_REG, sizeof (gpointer));
2173 amd64_branch8 (code, X86_CC_Z, 0, FALSE);
2176 amd64_alu_reg_imm (code, X86_ADD, MONO_ARCH_IMT_SCRATCH_REG, 2 * sizeof (gpointer));
2177 amd64_jump_code (code, labels [0]);
2180 mono_amd64_patch (labels [2], code);
2181 amd64_mov_reg_membase (code, MONO_ARCH_IMT_SCRATCH_REG, MONO_ARCH_IMT_SCRATCH_REG, sizeof (gpointer), sizeof (gpointer));
2182 amd64_jump_membase (code, MONO_ARCH_IMT_SCRATCH_REG, 0);
2185 mono_amd64_patch (labels [1], code);
2186 /* Load fail tramp */
2187 amd64_alu_reg_imm (code, X86_ADD, MONO_ARCH_IMT_SCRATCH_REG, sizeof (gpointer));
2188 /* Check if there is a fail tramp */
2189 amd64_alu_membase_imm (code, X86_CMP, MONO_ARCH_IMT_SCRATCH_REG, 0, 0);
2191 amd64_branch8 (code, X86_CC_Z, 0, FALSE);
2192 /* Jump to fail tramp */
2193 amd64_jump_membase (code, MONO_ARCH_IMT_SCRATCH_REG, 0);
2196 mono_amd64_patch (labels [3], code);
2197 x86_breakpoint (code);
2200 /* mov <OFFSET>(%rip), MONO_ARCH_IMT_SCRATCH_REG */
2201 amd64_emit_rex (mov_buf_ptr, sizeof(gpointer), MONO_ARCH_IMT_SCRATCH_REG, 0, AMD64_RIP);
2202 *(mov_buf_ptr)++ = (unsigned char)0x8b; /* mov opcode */
2203 x86_address_byte (mov_buf_ptr, 0, MONO_ARCH_IMT_SCRATCH_REG & 0x7, 5);
2204 emit_bytes (acfg, mov_buf, mov_buf_ptr - mov_buf);
2205 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4);
2207 emit_bytes (acfg, buf, code - buf);
2209 *tramp_size = code - buf + kSizeOfMove;
2213 #elif defined(TARGET_X86)
2215 guint8 *labels [16];
2217 code = buf = g_malloc (256);
2219 /* Allocate a temporary stack slot */
2220 x86_push_reg (code, X86_EAX);
2222 x86_push_reg (code, X86_EAX);
2224 /* Load mscorlib got address */
2225 x86_mov_reg_membase (code, X86_EAX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
2227 x86_mov_reg_membase (code, X86_EAX, X86_EAX, offset * sizeof (gpointer), 4);
2230 x86_alu_membase_imm (code, X86_CMP, X86_EAX, 0, 0);
2232 x86_branch8 (code, X86_CC_Z, FALSE, 0);
2235 x86_alu_membase_reg (code, X86_CMP, X86_EAX, 0, MONO_ARCH_IMT_REG);
2237 x86_branch8 (code, X86_CC_Z, FALSE, 0);
2240 x86_alu_reg_imm (code, X86_ADD, X86_EAX, 2 * sizeof (gpointer));
2241 x86_jump_code (code, labels [0]);
2244 mono_x86_patch (labels [2], code);
2245 x86_mov_reg_membase (code, X86_EAX, X86_EAX, sizeof (gpointer), 4);
2246 x86_mov_reg_membase (code, X86_EAX, X86_EAX, 0, 4);
2247 /* Save the target address to the temporary stack location */
2248 x86_mov_membase_reg (code, X86_ESP, 4, X86_EAX, 4);
2250 x86_pop_reg (code, X86_EAX);
2251 /* Jump to the target address */
2255 mono_x86_patch (labels [1], code);
2256 /* Load fail tramp */
2257 x86_mov_reg_membase (code, X86_EAX, X86_EAX, sizeof (gpointer), 4);
2258 x86_alu_membase_imm (code, X86_CMP, X86_EAX, 0, 0);
2260 x86_branch8 (code, X86_CC_Z, FALSE, 0);
2261 /* Jump to fail tramp */
2262 x86_mov_membase_reg (code, X86_ESP, 4, X86_EAX, 4);
2263 x86_pop_reg (code, X86_EAX);
2267 mono_x86_patch (labels [3], code);
2268 x86_breakpoint (code);
2270 emit_bytes (acfg, buf, code - buf);
2272 *tramp_size = code - buf;
2276 #elif defined(TARGET_ARM)
2278 guint8 *code, *code2, *labels [16];
2282 /* The IMT method is in v5 */
2284 /* Need at least two free registers, plus a slot for storing the pc */
2285 ARM_PUSH (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_R2));
2287 /* Load the parameter from the GOT */
2288 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_PC, 0);
2289 ARM_LDR_REG_REG (code, ARMREG_R0, ARMREG_PC, ARMREG_R0);
2292 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_R0, 0);
2293 ARM_CMP_REG_REG (code, ARMREG_R1, ARMREG_V5);
2295 ARM_B_COND (code, ARMCOND_EQ, 0);
2297 /* End-of-loop check */
2298 ARM_CMP_REG_IMM (code, ARMREG_R1, 0, 0);
2300 ARM_B_COND (code, ARMCOND_EQ, 0);
2303 ARM_ADD_REG_IMM8 (code, ARMREG_R0, ARMREG_R0, sizeof (gpointer) * 2);
2306 arm_patch (labels [4], labels [1]);
2309 arm_patch (labels [2], code);
2310 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
2311 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 0);
2312 /* Save it to the third stack slot */
2313 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
2314 /* Restore the registers and branch */
2315 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
2318 arm_patch (labels [3], code);
2319 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
2320 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
2321 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
2325 ARM_LDR_IMM (code2, ARMREG_R0, ARMREG_PC, (code - (labels [0] + 8)));
2327 emit_bytes (acfg, buf, code - buf);
2328 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) + (code - (labels [0] + 8)) - 4);
2330 *tramp_size = code - buf + 4;
2331 #elif defined(TARGET_ARM64)
2332 arm64_emit_imt_thunk (acfg, offset, tramp_size);
2333 #elif defined(TARGET_POWERPC)
2335 guint8 *code, *labels [16];
2339 /* Load the mscorlib got address */
2340 ppc_ldptr (code, ppc_r12, sizeof (gpointer), ppc_r30);
2341 /* Load the parameter from the GOT */
2342 ppc_load (code, ppc_r0, offset * sizeof (gpointer));
2343 ppc_ldptr_indexed (code, ppc_r12, ppc_r12, ppc_r0);
2345 /* Load and check key */
2347 ppc_ldptr (code, ppc_r0, 0, ppc_r12);
2348 ppc_cmp (code, 0, sizeof (gpointer) == 8 ? 1 : 0, ppc_r0, MONO_ARCH_IMT_REG);
2350 ppc_bc (code, PPC_BR_TRUE, PPC_BR_EQ, 0);
2352 /* End-of-loop check */
2353 ppc_cmpi (code, 0, sizeof (gpointer) == 8 ? 1 : 0, ppc_r0, 0);
2355 ppc_bc (code, PPC_BR_TRUE, PPC_BR_EQ, 0);
2358 ppc_addi (code, ppc_r12, ppc_r12, 2 * sizeof (gpointer));
2361 mono_ppc_patch (labels [4], labels [1]);
2364 mono_ppc_patch (labels [2], code);
2365 ppc_ldptr (code, ppc_r12, sizeof (gpointer), ppc_r12);
2366 /* r12 now contains the value of the vtable slot */
2367 /* this is not a function descriptor on ppc64 */
2368 ppc_ldptr (code, ppc_r12, 0, ppc_r12);
2369 ppc_mtctr (code, ppc_r12);
2370 ppc_bcctr (code, PPC_BR_ALWAYS, 0);
2373 mono_ppc_patch (labels [3], code);
2377 *tramp_size = code - buf;
2379 emit_bytes (acfg, buf, code - buf);
2381 g_assert_not_reached ();
2386 #if defined (TARGET_AMD64)
2389 amd64_emit_load_got_slot (MonoAotCompile *acfg, int dreg, int got_slot)
2392 g_assert (acfg->fp);
2393 emit_unset_mode (acfg);
2395 fprintf (acfg->fp, "mov %s+%d(%%rip), %s\n", acfg->got_symbol, (unsigned int) ((got_slot * sizeof (gpointer))), mono_arch_regname (dreg));
2402 * arch_emit_gsharedvt_arg_trampoline:
2404 * Emit code for a gsharedvt arg trampoline. OFFSET is the offset of the first of
2405 * two GOT slots which contain the argument, and the code to jump to.
2406 * TRAMP_SIZE is set to the size of the emitted trampoline.
2407 * These kinds of trampolines cannot be enumerated statically, since there could
2408 * be one trampoline per method instantiation, so we emit the same code for all
2409 * trampolines, and parameterize them using two GOT slots.
2412 arch_emit_gsharedvt_arg_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
2414 #if defined(TARGET_X86)
2418 /* Similar to the PPC code above */
2420 g_assert (MONO_ARCH_RGCTX_REG != X86_ECX);
2423 /* Load mscorlib got address */
2424 x86_mov_reg_membase (code, X86_ECX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
2426 x86_mov_reg_membase (code, X86_EAX, X86_ECX, offset * sizeof (gpointer), 4);
2427 /* Branch to the target address */
2428 x86_jump_membase (code, X86_ECX, (offset + 1) * sizeof (gpointer));
2430 emit_bytes (acfg, buf, code - buf);
2433 g_assert (code - buf == *tramp_size);
2434 #elif defined(TARGET_ARM)
2438 /* The same as mono_arch_get_gsharedvt_arg_trampoline (), but for AOT */
2439 /* Similar to arch_emit_specific_trampoline () */
2442 ARM_PUSH (code, (1 << ARMREG_R0) | (1 << ARMREG_R1) | (1 << ARMREG_R2) | (1 << ARMREG_R3));
2443 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_PC, 8);
2444 /* Load the arg value from the GOT */
2445 ARM_LDR_REG_REG (code, ARMREG_R0, ARMREG_PC, ARMREG_R1);
2446 /* Load the addr from the GOT */
2447 ARM_LDR_REG_REG (code, ARMREG_R1, ARMREG_PC, ARMREG_R1);
2449 ARM_BX (code, ARMREG_R1);
2451 g_assert (code - buf == 20);
2454 emit_bytes (acfg, buf, code - buf);
2455 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) + 4);
2456 #elif defined(TARGET_ARM64)
2457 arm64_emit_gsharedvt_arg_trampoline (acfg, offset, tramp_size);
2458 #elif defined (TARGET_AMD64)
2460 amd64_emit_load_got_slot (acfg, AMD64_RAX, offset);
2461 amd64_emit_load_got_slot (acfg, MONO_ARCH_IMT_SCRATCH_REG, offset + 1);
2462 g_assert (AMD64_R11 == MONO_ARCH_IMT_SCRATCH_REG);
2463 fprintf (acfg->fp, "jmp *%%r11\n");
2467 g_assert_not_reached ();
2471 /* END OF ARCH SPECIFIC CODE */
2474 mono_get_field_token (MonoClassField *field)
2476 MonoClass *klass = field->parent;
2479 for (i = 0; i < klass->field.count; ++i) {
2480 if (field == &klass->fields [i])
2481 return MONO_TOKEN_FIELD_DEF | (klass->field.first + 1 + i);
2484 g_assert_not_reached ();
2489 encode_value (gint32 value, guint8 *buf, guint8 **endbuf)
2493 //printf ("ENCODE: %d 0x%x.\n", value, value);
2496 * Same encoding as the one used in the metadata, extended to handle values
2497 * greater than 0x1fffffff.
2499 if ((value >= 0) && (value <= 127))
2501 else if ((value >= 0) && (value <= 16383)) {
2502 p [0] = 0x80 | (value >> 8);
2503 p [1] = value & 0xff;
2505 } else if ((value >= 0) && (value <= 0x1fffffff)) {
2506 p [0] = (value >> 24) | 0xc0;
2507 p [1] = (value >> 16) & 0xff;
2508 p [2] = (value >> 8) & 0xff;
2509 p [3] = value & 0xff;
2514 p [1] = (value >> 24) & 0xff;
2515 p [2] = (value >> 16) & 0xff;
2516 p [3] = (value >> 8) & 0xff;
2517 p [4] = value & 0xff;
2525 stream_init (MonoDynamicStream *sh)
2528 sh->alloc_size = 4096;
2529 sh->data = (char *)g_malloc (4096);
2531 /* So offsets are > 0 */
2537 make_room_in_stream (MonoDynamicStream *stream, int size)
2539 if (size <= stream->alloc_size)
2542 while (stream->alloc_size <= size) {
2543 if (stream->alloc_size < 4096)
2544 stream->alloc_size = 4096;
2546 stream->alloc_size *= 2;
2549 stream->data = (char *)g_realloc (stream->data, stream->alloc_size);
2553 add_stream_data (MonoDynamicStream *stream, const char *data, guint32 len)
2557 make_room_in_stream (stream, stream->index + len);
2558 memcpy (stream->data + stream->index, data, len);
2559 idx = stream->index;
2560 stream->index += len;
2567 * Add data to the binary blob inside the aot image. Returns the offset inside the
2568 * blob where the data was stored.
2571 add_to_blob (MonoAotCompile *acfg, const guint8 *data, guint32 data_len)
2573 g_assert (!acfg->blob_closed);
2575 if (acfg->blob.alloc_size == 0)
2576 stream_init (&acfg->blob);
2578 return add_stream_data (&acfg->blob, (char*)data, data_len);
2582 add_to_blob_aligned (MonoAotCompile *acfg, const guint8 *data, guint32 data_len, guint32 align)
2587 if (acfg->blob.alloc_size == 0)
2588 stream_init (&acfg->blob);
2590 count = acfg->blob.index % align;
2592 /* we assume the stream data will be aligned */
2594 add_stream_data (&acfg->blob, buf, 4 - count);
2596 return add_stream_data (&acfg->blob, (char*)data, data_len);
2599 /* Emit a table of data into the aot image */
2601 emit_aot_data (MonoAotCompile *acfg, MonoAotFileTable table, const char *symbol, guint8 *data, int size)
2603 if (acfg->data_outfile) {
2604 acfg->table_offsets [(int)table] = acfg->datafile_offset;
2605 fwrite (data,1, size, acfg->data_outfile);
2606 acfg->datafile_offset += size;
2607 // align the data to 8 bytes. Put zeros in the file (so that every build results in consistent output).
2608 int align = 8 - size % 8;
2609 acfg->datafile_offset += align;
2610 guint8 align_buf [16];
2611 memset (&align_buf, 0, sizeof (align_buf));
2612 fwrite (align_buf, align, 1, acfg->data_outfile);
2613 } else if (acfg->llvm) {
2614 mono_llvm_emit_aot_data (symbol, data, size);
2616 emit_section_change (acfg, RODATA_SECT, 0);
2617 emit_alignment (acfg, 8);
2618 emit_label (acfg, symbol);
2619 emit_bytes (acfg, data, size);
2624 * emit_offset_table:
2626 * Emit a table of increasing offsets in a compact form using differential encoding.
2627 * There is an index entry for each GROUP_SIZE number of entries. The greater the
2628 * group size, the more compact the table becomes, but the slower it becomes to compute
2629 * a given entry. Returns the size of the table.
2632 emit_offset_table (MonoAotCompile *acfg, const char *symbol, MonoAotFileTable table, int noffsets, int group_size, gint32 *offsets)
2634 gint32 current_offset;
2635 int i, buf_size, ngroups, index_entry_size;
2637 guint8 *data_p, *data_buf;
2638 guint32 *index_offsets;
2640 ngroups = (noffsets + (group_size - 1)) / group_size;
2642 index_offsets = g_new0 (guint32, ngroups);
2644 buf_size = noffsets * 4;
2645 p = buf = (guint8 *)g_malloc0 (buf_size);
2648 for (i = 0; i < noffsets; ++i) {
2649 //printf ("D: %d -> %d\n", i, offsets [i]);
2650 if ((i % group_size) == 0) {
2651 index_offsets [i / group_size] = p - buf;
2652 /* Emit the full value for these entries */
2653 encode_value (offsets [i], p, &p);
2655 /* The offsets are allowed to be non-increasing */
2656 //g_assert (offsets [i] >= current_offset);
2657 encode_value (offsets [i] - current_offset, p, &p);
2659 current_offset = offsets [i];
2664 if (ngroups && index_offsets [ngroups - 1] < 65000)
2665 index_entry_size = 2;
2667 index_entry_size = 4;
2669 buf_size = (data_p - data_buf) + (ngroups * 4) + 16;
2670 p = buf = (guint8 *)g_malloc0 (buf_size);
2672 /* Emit the header */
2673 encode_int (noffsets, p, &p);
2674 encode_int (group_size, p, &p);
2675 encode_int (ngroups, p, &p);
2676 encode_int (index_entry_size, p, &p);
2678 /* Emit the index */
2679 for (i = 0; i < ngroups; ++i) {
2680 if (index_entry_size == 2)
2681 encode_int16 (index_offsets [i], p, &p);
2683 encode_int (index_offsets [i], p, &p);
2686 memcpy (p, data_buf, data_p - data_buf);
2687 p += data_p - data_buf;
2689 g_assert (p - buf <= buf_size);
2691 emit_aot_data (acfg, table, symbol, buf, p - buf);
2696 return (int)(p - buf);
2700 get_image_index (MonoAotCompile *cfg, MonoImage *image)
2704 index = GPOINTER_TO_UINT (g_hash_table_lookup (cfg->image_hash, image));
2708 index = g_hash_table_size (cfg->image_hash);
2709 g_hash_table_insert (cfg->image_hash, image, GUINT_TO_POINTER (index + 1));
2710 g_ptr_array_add (cfg->image_table, image);
2716 find_typespec_for_class (MonoAotCompile *acfg, MonoClass *klass)
2719 int len = acfg->image->tables [MONO_TABLE_TYPESPEC].rows;
2721 /* FIXME: Search referenced images as well */
2722 if (!acfg->typespec_classes) {
2723 acfg->typespec_classes = g_hash_table_new (NULL, NULL);
2724 for (i = 0; i < len; i++) {
2726 int typespec = MONO_TOKEN_TYPE_SPEC | (i + 1);
2727 MonoClass *klass_key = mono_class_get_and_inflate_typespec_checked (acfg->image, typespec, NULL, &error);
2728 if (!is_ok (&error)) {
2729 mono_error_cleanup (&error);
2732 g_hash_table_insert (acfg->typespec_classes, klass_key, GINT_TO_POINTER (typespec));
2735 return GPOINTER_TO_INT (g_hash_table_lookup (acfg->typespec_classes, klass));
2739 encode_method_ref (MonoAotCompile *acfg, MonoMethod *method, guint8 *buf, guint8 **endbuf);
2742 encode_klass_ref (MonoAotCompile *acfg, MonoClass *klass, guint8 *buf, guint8 **endbuf);
2745 encode_ginst (MonoAotCompile *acfg, MonoGenericInst *inst, guint8 *buf, guint8 **endbuf);
2748 encode_type (MonoAotCompile *acfg, MonoType *t, guint8 *buf, guint8 **endbuf);
2751 encode_klass_ref_inner (MonoAotCompile *acfg, MonoClass *klass, guint8 *buf, guint8 **endbuf)
2756 * The encoding begins with one of the MONO_AOT_TYPEREF values, followed by additional
2760 if (klass->generic_class) {
2762 g_assert (klass->type_token);
2764 /* Find a typespec for a class if possible */
2765 token = find_typespec_for_class (acfg, klass);
2767 encode_value (MONO_AOT_TYPEREF_TYPESPEC_TOKEN, p, &p);
2768 encode_value (token, p, &p);
2770 MonoClass *gclass = klass->generic_class->container_class;
2771 MonoGenericInst *inst = klass->generic_class->context.class_inst;
2772 static int count = 0;
2775 encode_value (MONO_AOT_TYPEREF_GINST, p, &p);
2776 encode_klass_ref (acfg, gclass, p, &p);
2777 encode_ginst (acfg, inst, p, &p);
2781 } else if (klass->type_token) {
2782 int iindex = get_image_index (acfg, klass->image);
2784 g_assert (mono_metadata_token_code (klass->type_token) == MONO_TOKEN_TYPE_DEF);
2786 encode_value (MONO_AOT_TYPEREF_TYPEDEF_INDEX, p, &p);
2787 encode_value (klass->type_token - MONO_TOKEN_TYPE_DEF, p, &p);
2789 encode_value (MONO_AOT_TYPEREF_TYPEDEF_INDEX_IMAGE, p, &p);
2790 encode_value (klass->type_token - MONO_TOKEN_TYPE_DEF, p, &p);
2791 encode_value (get_image_index (acfg, klass->image), p, &p);
2793 } else if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR)) {
2794 MonoGenericContainer *container = mono_type_get_generic_param_owner (&klass->byval_arg);
2795 MonoGenericParam *par = klass->byval_arg.data.generic_param;
2797 encode_value (MONO_AOT_TYPEREF_VAR, p, &p);
2799 encode_value (par->gshared_constraint ? 1 : 0, p, &p);
2800 if (par->gshared_constraint) {
2801 MonoGSharedGenericParam *gpar = (MonoGSharedGenericParam*)par;
2802 encode_type (acfg, par->gshared_constraint, p, &p);
2803 encode_klass_ref (acfg, mono_class_from_generic_parameter (gpar->parent, NULL, klass->byval_arg.type == MONO_TYPE_MVAR), p, &p);
2805 encode_value (klass->byval_arg.type, p, &p);
2806 encode_value (mono_type_get_generic_param_num (&klass->byval_arg), p, &p);
2808 encode_value (container->is_anonymous ? 0 : 1, p, &p);
2810 if (!container->is_anonymous) {
2811 encode_value (container->is_method, p, &p);
2812 if (container->is_method)
2813 encode_method_ref (acfg, container->owner.method, p, &p);
2815 encode_klass_ref (acfg, container->owner.klass, p, &p);
2818 } else if (klass->byval_arg.type == MONO_TYPE_PTR) {
2819 encode_value (MONO_AOT_TYPEREF_PTR, p, &p);
2820 encode_type (acfg, &klass->byval_arg, p, &p);
2823 g_assert (klass->rank > 0);
2824 encode_value (MONO_AOT_TYPEREF_ARRAY, p, &p);
2825 encode_value (klass->rank, p, &p);
2826 encode_klass_ref (acfg, klass->element_class, p, &p);
2834 * Encode a reference to KLASS. We use our home-grown encoding instead of the
2835 * standard metadata encoding.
2838 encode_klass_ref (MonoAotCompile *acfg, MonoClass *klass, guint8 *buf, guint8 **endbuf)
2840 gboolean shared = FALSE;
2843 * The encoding of generic instances is large so emit them only once.
2845 if (klass->generic_class) {
2847 g_assert (klass->type_token);
2849 /* Find a typespec for a class if possible */
2850 token = find_typespec_for_class (acfg, klass);
2853 } else if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR)) {
2858 guint offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->klass_blob_hash, klass));
2862 buf2 = (guint8 *)g_malloc (1024);
2865 encode_klass_ref_inner (acfg, klass, p, &p);
2866 g_assert (p - buf2 < 1024);
2868 offset = add_to_blob (acfg, buf2, p - buf2);
2871 g_hash_table_insert (acfg->klass_blob_hash, klass, GUINT_TO_POINTER (offset + 1));
2877 encode_value (MONO_AOT_TYPEREF_BLOB_INDEX, p, &p);
2878 encode_value (offset, p, &p);
2883 encode_klass_ref_inner (acfg, klass, buf, endbuf);
2887 encode_field_info (MonoAotCompile *cfg, MonoClassField *field, guint8 *buf, guint8 **endbuf)
2889 guint32 token = mono_get_field_token (field);
2892 encode_klass_ref (cfg, field->parent, p, &p);
2893 g_assert (mono_metadata_token_code (token) == MONO_TOKEN_FIELD_DEF);
2894 encode_value (token - MONO_TOKEN_FIELD_DEF, p, &p);
2899 encode_ginst (MonoAotCompile *acfg, MonoGenericInst *inst, guint8 *buf, guint8 **endbuf)
2904 encode_value (inst->type_argc, p, &p);
2905 for (i = 0; i < inst->type_argc; ++i)
2906 encode_klass_ref (acfg, mono_class_from_mono_type (inst->type_argv [i]), p, &p);
2911 encode_generic_context (MonoAotCompile *acfg, MonoGenericContext *context, guint8 *buf, guint8 **endbuf)
2914 MonoGenericInst *inst;
2916 inst = context->class_inst;
2918 g_assert (inst->type_argc);
2919 encode_ginst (acfg, inst, p, &p);
2921 encode_value (0, p, &p);
2923 inst = context->method_inst;
2925 g_assert (inst->type_argc);
2926 encode_ginst (acfg, inst, p, &p);
2928 encode_value (0, p, &p);
2934 encode_type (MonoAotCompile *acfg, MonoType *t, guint8 *buf, guint8 **endbuf)
2938 g_assert (t->num_mods == 0);
2939 /* t->attrs can be ignored */
2940 //g_assert (t->attrs == 0);
2943 *p = MONO_TYPE_PINNED;
2947 *p = MONO_TYPE_BYREF;
2955 case MONO_TYPE_VOID:
2956 case MONO_TYPE_BOOLEAN:
2957 case MONO_TYPE_CHAR:
2970 case MONO_TYPE_STRING:
2971 case MONO_TYPE_OBJECT:
2972 case MONO_TYPE_TYPEDBYREF:
2974 case MONO_TYPE_VALUETYPE:
2975 case MONO_TYPE_CLASS:
2976 encode_klass_ref (acfg, mono_class_from_mono_type (t), p, &p);
2978 case MONO_TYPE_SZARRAY:
2979 encode_klass_ref (acfg, t->data.klass, p, &p);
2982 encode_type (acfg, t->data.type, p, &p);
2984 case MONO_TYPE_GENERICINST: {
2985 MonoClass *gclass = t->data.generic_class->container_class;
2986 MonoGenericInst *inst = t->data.generic_class->context.class_inst;
2988 encode_klass_ref (acfg, gclass, p, &p);
2989 encode_ginst (acfg, inst, p, &p);
2992 case MONO_TYPE_ARRAY: {
2993 MonoArrayType *array = t->data.array;
2996 encode_klass_ref (acfg, array->eklass, p, &p);
2997 encode_value (array->rank, p, &p);
2998 encode_value (array->numsizes, p, &p);
2999 for (i = 0; i < array->numsizes; ++i)
3000 encode_value (array->sizes [i], p, &p);
3001 encode_value (array->numlobounds, p, &p);
3002 for (i = 0; i < array->numlobounds; ++i)
3003 encode_value (array->lobounds [i], p, &p);
3007 case MONO_TYPE_MVAR:
3008 encode_klass_ref (acfg, mono_class_from_mono_type (t), p, &p);
3011 g_assert_not_reached ();
3018 encode_signature (MonoAotCompile *acfg, MonoMethodSignature *sig, guint8 *buf, guint8 **endbuf)
3024 /* Similar to the metadata encoding */
3025 if (sig->generic_param_count)
3029 if (sig->explicit_this)
3031 flags |= (sig->call_convention & 0x0F);
3035 if (sig->generic_param_count)
3036 encode_value (sig->generic_param_count, p, &p);
3037 encode_value (sig->param_count, p, &p);
3039 encode_type (acfg, sig->ret, p, &p);
3040 for (i = 0; i < sig->param_count; ++i) {
3041 if (sig->sentinelpos == i) {
3042 *p = MONO_TYPE_SENTINEL;
3045 encode_type (acfg, sig->params [i], p, &p);
3051 #define MAX_IMAGE_INDEX 250
3054 encode_method_ref (MonoAotCompile *acfg, MonoMethod *method, guint8 *buf, guint8 **endbuf)
3056 guint32 image_index = get_image_index (acfg, method->klass->image);
3057 guint32 token = method->token;
3058 MonoJumpInfoToken *ji;
3062 * The encoding for most methods is as follows:
3063 * - image index encoded as a leb128
3064 * - token index encoded as a leb128
3065 * Values of image index >= MONO_AOT_METHODREF_MIN are used to mark additional
3066 * types of method encodings.
3069 /* Mark methods which can't use aot trampolines because they need the further
3070 * processing in mono_magic_trampoline () which requires a MonoMethod*.
3072 if ((method->is_generic && (method->flags & METHOD_ATTRIBUTE_VIRTUAL)) ||
3073 (method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED))
3074 encode_value ((MONO_AOT_METHODREF_NO_AOT_TRAMPOLINE << 24), p, &p);
3076 if (method->wrapper_type) {
3077 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
3079 encode_value ((MONO_AOT_METHODREF_WRAPPER << 24), p, &p);
3081 encode_value (method->wrapper_type, p, &p);
3083 switch (method->wrapper_type) {
3084 case MONO_WRAPPER_REMOTING_INVOKE:
3085 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
3086 case MONO_WRAPPER_XDOMAIN_INVOKE: {
3089 m = mono_marshal_method_from_wrapper (method);
3091 encode_method_ref (acfg, m, p, &p);
3094 case MONO_WRAPPER_PROXY_ISINST:
3095 case MONO_WRAPPER_LDFLD:
3096 case MONO_WRAPPER_LDFLDA:
3097 case MONO_WRAPPER_STFLD:
3098 case MONO_WRAPPER_ISINST: {
3100 encode_klass_ref (acfg, info->d.proxy.klass, p, &p);
3103 case MONO_WRAPPER_STFLD_REMOTE:
3105 case MONO_WRAPPER_ALLOC: {
3106 /* The GC name is saved once in MonoAotFileInfo */
3107 g_assert (info->d.alloc.alloc_type != -1);
3108 encode_value (info->d.alloc.alloc_type, p, &p);
3111 case MONO_WRAPPER_WRITE_BARRIER: {
3115 case MONO_WRAPPER_STELEMREF: {
3117 encode_value (info->subtype, p, &p);
3118 if (info->subtype == WRAPPER_SUBTYPE_VIRTUAL_STELEMREF)
3119 encode_value (info->d.virtual_stelemref.kind, p, &p);
3122 case MONO_WRAPPER_UNKNOWN: {
3124 encode_value (info->subtype, p, &p);
3125 if (info->subtype == WRAPPER_SUBTYPE_PTR_TO_STRUCTURE ||
3126 info->subtype == WRAPPER_SUBTYPE_STRUCTURE_TO_PTR)
3127 encode_klass_ref (acfg, method->klass, p, &p);
3128 else if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER)
3129 encode_method_ref (acfg, info->d.synchronized_inner.method, p, &p);
3130 else if (info->subtype == WRAPPER_SUBTYPE_ARRAY_ACCESSOR)
3131 encode_method_ref (acfg, info->d.array_accessor.method, p, &p);
3132 else if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG)
3133 encode_signature (acfg, info->d.gsharedvt.sig, p, &p);
3134 else if (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG)
3135 encode_signature (acfg, info->d.gsharedvt.sig, p, &p);
3138 case MONO_WRAPPER_MANAGED_TO_NATIVE: {
3140 encode_value (info->subtype, p, &p);
3141 if (info->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
3142 strcpy ((char*)p, method->name);
3143 p += strlen (method->name) + 1;
3144 } else if (info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT) {
3145 encode_method_ref (acfg, info->d.managed_to_native.method, p, &p);
3147 g_assert (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_PINVOKE);
3148 encode_method_ref (acfg, info->d.managed_to_native.method, p, &p);
3152 case MONO_WRAPPER_SYNCHRONIZED: {
3155 m = mono_marshal_method_from_wrapper (method);
3157 g_assert (m != method);
3158 encode_method_ref (acfg, m, p, &p);
3161 case MONO_WRAPPER_MANAGED_TO_MANAGED: {
3163 encode_value (info->subtype, p, &p);
3165 if (info->subtype == WRAPPER_SUBTYPE_ELEMENT_ADDR) {
3166 encode_value (info->d.element_addr.rank, p, &p);
3167 encode_value (info->d.element_addr.elem_size, p, &p);
3168 } else if (info->subtype == WRAPPER_SUBTYPE_STRING_CTOR) {
3169 encode_method_ref (acfg, info->d.string_ctor.method, p, &p);
3171 g_assert_not_reached ();
3175 case MONO_WRAPPER_CASTCLASS: {
3177 encode_value (info->subtype, p, &p);
3180 case MONO_WRAPPER_RUNTIME_INVOKE: {
3182 encode_value (info->subtype, p, &p);
3183 if (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL)
3184 encode_method_ref (acfg, info->d.runtime_invoke.method, p, &p);
3185 else if (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL)
3186 encode_signature (acfg, info->d.runtime_invoke.sig, p, &p);
3189 case MONO_WRAPPER_DELEGATE_INVOKE:
3190 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE:
3191 case MONO_WRAPPER_DELEGATE_END_INVOKE: {
3192 if (method->is_inflated) {
3193 /* These wrappers are identified by their class */
3194 encode_value (1, p, &p);
3195 encode_klass_ref (acfg, method->klass, p, &p);
3197 MonoMethodSignature *sig = mono_method_signature (method);
3198 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
3200 encode_value (0, p, &p);
3201 if (method->wrapper_type == MONO_WRAPPER_DELEGATE_INVOKE)
3202 encode_value (info ? info->subtype : 0, p, &p);
3203 encode_signature (acfg, sig, p, &p);
3207 case MONO_WRAPPER_NATIVE_TO_MANAGED: {
3209 encode_method_ref (acfg, info->d.native_to_managed.method, p, &p);
3210 encode_klass_ref (acfg, info->d.native_to_managed.klass, p, &p);
3214 g_assert_not_reached ();
3216 } else if (mono_method_signature (method)->is_inflated) {
3218 * This is a generic method, find the original token which referenced it and
3220 * Obtain the token from information recorded by the JIT.
3222 ji = (MonoJumpInfoToken *)g_hash_table_lookup (acfg->token_info_hash, method);
3224 image_index = get_image_index (acfg, ji->image);
3225 g_assert (image_index < MAX_IMAGE_INDEX);
3228 encode_value ((MONO_AOT_METHODREF_METHODSPEC << 24), p, &p);
3229 encode_value (image_index, p, &p);
3230 encode_value (token, p, &p);
3232 MonoMethod *declaring;
3233 MonoGenericContext *context = mono_method_get_context (method);
3235 g_assert (method->is_inflated);
3236 declaring = ((MonoMethodInflated*)method)->declaring;
3239 * This might be a non-generic method of a generic instance, which
3240 * doesn't have a token since the reference is generated by the JIT
3241 * like Nullable:Box/Unbox, or by generic sharing.
3243 encode_value ((MONO_AOT_METHODREF_GINST << 24), p, &p);
3244 /* Encode the klass */
3245 encode_klass_ref (acfg, method->klass, p, &p);
3246 /* Encode the method */
3247 image_index = get_image_index (acfg, method->klass->image);
3248 g_assert (image_index < MAX_IMAGE_INDEX);
3249 g_assert (declaring->token);
3250 token = declaring->token;
3251 g_assert (mono_metadata_token_table (token) == MONO_TABLE_METHOD);
3252 encode_value (image_index, p, &p);
3253 encode_value (token, p, &p);
3254 encode_generic_context (acfg, context, p, &p);
3256 } else if (token == 0) {
3257 /* This might be a method of a constructed type like int[,].Set */
3258 /* Obtain the token from information recorded by the JIT */
3259 ji = (MonoJumpInfoToken *)g_hash_table_lookup (acfg->token_info_hash, method);
3261 image_index = get_image_index (acfg, ji->image);
3262 g_assert (image_index < MAX_IMAGE_INDEX);
3265 encode_value ((MONO_AOT_METHODREF_METHODSPEC << 24), p, &p);
3266 encode_value (image_index, p, &p);
3267 encode_value (token, p, &p);
3270 g_assert (method->klass->rank);
3272 /* Encode directly */
3273 encode_value ((MONO_AOT_METHODREF_ARRAY << 24), p, &p);
3274 encode_klass_ref (acfg, method->klass, p, &p);
3275 if (!strcmp (method->name, ".ctor") && mono_method_signature (method)->param_count == method->klass->rank)
3276 encode_value (0, p, &p);
3277 else if (!strcmp (method->name, ".ctor") && mono_method_signature (method)->param_count == method->klass->rank * 2)
3278 encode_value (1, p, &p);
3279 else if (!strcmp (method->name, "Get"))
3280 encode_value (2, p, &p);
3281 else if (!strcmp (method->name, "Address"))
3282 encode_value (3, p, &p);
3283 else if (!strcmp (method->name, "Set"))
3284 encode_value (4, p, &p);
3286 g_assert_not_reached ();
3289 g_assert (mono_metadata_token_table (token) == MONO_TABLE_METHOD);
3291 if (image_index >= MONO_AOT_METHODREF_MIN) {
3292 encode_value ((MONO_AOT_METHODREF_LARGE_IMAGE_INDEX << 24), p, &p);
3293 encode_value (image_index, p, &p);
3294 encode_value (mono_metadata_token_index (token), p, &p);
3296 encode_value ((image_index << 24) | mono_metadata_token_index (token), p, &p);
3303 compare_patches (gconstpointer a, gconstpointer b)
3307 i = (*(MonoJumpInfo**)a)->ip.i;
3308 j = (*(MonoJumpInfo**)b)->ip.i;
3319 static G_GNUC_UNUSED char*
3320 patch_to_string (MonoJumpInfo *patch_info)
3324 str = g_string_new ("");
3326 g_string_append_printf (str, "%s(", get_patch_name (patch_info->type));
3328 switch (patch_info->type) {
3329 case MONO_PATCH_INFO_VTABLE:
3330 mono_type_get_desc (str, &patch_info->data.klass->byval_arg, TRUE);
3335 g_string_append_printf (str, ")");
3336 return g_string_free (str, FALSE);
3342 * Return whenever PATCH_INFO refers to a direct call, and thus requires a
3345 static inline gboolean
3346 is_plt_patch (MonoJumpInfo *patch_info)
3348 switch (patch_info->type) {
3349 case MONO_PATCH_INFO_METHOD:
3350 case MONO_PATCH_INFO_INTERNAL_METHOD:
3351 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3352 case MONO_PATCH_INFO_ICALL_ADDR_CALL:
3353 case MONO_PATCH_INFO_RGCTX_FETCH:
3363 * Return the symbol identifying the plt entry PLT_OFFSET.
3366 get_plt_symbol (MonoAotCompile *acfg, int plt_offset, MonoJumpInfo *patch_info)
3370 * The Apple linker reorganizes object files, so it doesn't like branches to local
3371 * labels, since those have no relocations.
3373 return g_strdup_printf ("%sp_%d", acfg->llvm_label_prefix, plt_offset);
3375 return g_strdup_printf ("%sp_%d", acfg->temp_prefix, plt_offset);
3382 * Return a PLT entry which belongs to the method identified by PATCH_INFO.
3384 static MonoPltEntry*
3385 get_plt_entry (MonoAotCompile *acfg, MonoJumpInfo *patch_info)
3388 gboolean synchronized = FALSE;
3389 static int synchronized_symbol_idx;
3391 if (!is_plt_patch (patch_info))
3394 if (!acfg->patch_to_plt_entry [patch_info->type])
3395 acfg->patch_to_plt_entry [patch_info->type] = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
3396 res = (MonoPltEntry *)g_hash_table_lookup (acfg->patch_to_plt_entry [patch_info->type], patch_info);
3398 if (!acfg->llvm && patch_info->type == MONO_PATCH_INFO_METHOD && (patch_info->data.method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)) {
3400 * Allocate a separate PLT slot for each such patch, since some plt
3401 * entries will refer to the method itself, and some will refer to the
3405 synchronized = TRUE;
3409 MonoJumpInfo *new_ji;
3411 new_ji = mono_patch_info_dup_mp (acfg->mempool, patch_info);
3413 res = (MonoPltEntry *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoPltEntry));
3414 res->plt_offset = acfg->plt_offset;
3416 res->symbol = get_plt_symbol (acfg, res->plt_offset, patch_info);
3417 if (acfg->aot_opts.write_symbols)
3418 res->debug_sym = get_plt_entry_debug_sym (acfg, res->ji, acfg->plt_entry_debug_sym_cache);
3420 /* Avoid duplicate symbols because we don't cache */
3421 res->symbol = g_strdup_printf ("%s_%d", res->symbol, synchronized_symbol_idx);
3423 res->debug_sym = g_strdup_printf ("%s_%d", res->debug_sym, synchronized_symbol_idx);
3424 synchronized_symbol_idx ++;
3427 res->llvm_symbol = g_strdup_printf ("%s_%s_llvm", res->symbol, res->debug_sym);
3429 res->llvm_symbol = g_strdup_printf ("%s_llvm", res->symbol);
3431 g_hash_table_insert (acfg->patch_to_plt_entry [new_ji->type], new_ji, res);
3433 g_hash_table_insert (acfg->plt_offset_to_entry, GUINT_TO_POINTER (res->plt_offset), res);
3435 //g_assert (mono_patch_info_equal (patch_info, new_ji));
3436 //mono_print_ji (patch_info); printf ("\n");
3437 //g_hash_table_print_stats (acfg->patch_to_plt_entry);
3439 acfg->plt_offset ++;
3448 * Returns the offset of the GOT slot where the runtime object resulting from resolving
3449 * JI could be found if it exists, otherwise allocates a new one.
3452 get_got_offset (MonoAotCompile *acfg, gboolean llvm, MonoJumpInfo *ji)
3455 GotInfo *info = llvm ? &acfg->llvm_got_info : &acfg->got_info;
3457 got_offset = GPOINTER_TO_UINT (g_hash_table_lookup (info->patch_to_got_offset_by_type [ji->type], ji));
3459 return got_offset - 1;
3462 got_offset = acfg->llvm_got_offset;
3463 acfg->llvm_got_offset ++;
3465 got_offset = acfg->got_offset;
3466 acfg->got_offset ++;
3469 acfg->stats.got_slots ++;
3470 acfg->stats.got_slot_types [ji->type] ++;
3472 g_hash_table_insert (info->patch_to_got_offset, ji, GUINT_TO_POINTER (got_offset + 1));
3473 g_hash_table_insert (info->patch_to_got_offset_by_type [ji->type], ji, GUINT_TO_POINTER (got_offset + 1));
3474 g_ptr_array_add (info->got_patches, ji);
3479 /* Add a method to the list of methods which need to be emitted */
3481 add_method_with_index (MonoAotCompile *acfg, MonoMethod *method, int index, gboolean extra)
3484 if (!g_hash_table_lookup (acfg->method_indexes, method)) {
3485 g_ptr_array_add (acfg->methods, method);
3486 g_hash_table_insert (acfg->method_indexes, method, GUINT_TO_POINTER (index + 1));
3487 acfg->nmethods = acfg->methods->len + 1;
3490 if (method->wrapper_type || extra)
3491 g_ptr_array_add (acfg->extra_methods, method);
3495 prefer_gsharedvt_method (MonoAotCompile *acfg, MonoMethod *method)
3497 /* One instantiation with valuetypes is generated for each async method */
3498 if (method->klass->image == mono_defaults.corlib && (!strcmp (method->klass->name, "AsyncMethodBuilderCore") || !strcmp (method->klass->name, "AsyncVoidMethodBuilder")))
3505 get_method_index (MonoAotCompile *acfg, MonoMethod *method)
3507 int index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_indexes, method));
3515 add_method_full (MonoAotCompile *acfg, MonoMethod *method, gboolean extra, int depth)
3519 index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_indexes, method));
3523 index = acfg->method_index;
3524 add_method_with_index (acfg, method, index, extra);
3526 g_ptr_array_add (acfg->method_order, GUINT_TO_POINTER (index));
3528 g_hash_table_insert (acfg->method_depth, method, GUINT_TO_POINTER (depth));
3530 acfg->method_index ++;
3536 add_method (MonoAotCompile *acfg, MonoMethod *method)
3538 return add_method_full (acfg, method, FALSE, 0);
3542 add_extra_method_with_depth (MonoAotCompile *acfg, MonoMethod *method, int depth)
3544 if (mono_method_is_generic_sharable_full (method, TRUE, TRUE, FALSE))
3545 method = mini_get_shared_method (method);
3546 else if ((acfg->opts & MONO_OPT_GSHAREDVT) && prefer_gsharedvt_method (acfg, method) && mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE))
3547 /* Use the gsharedvt version */
3548 method = mini_get_shared_method_full (method, TRUE, TRUE);
3550 if (acfg->aot_opts.log_generics)
3551 aot_printf (acfg, "%*sAdding method %s.\n", depth, "", mono_method_get_full_name (method));
3553 add_method_full (acfg, method, TRUE, depth);
3557 add_extra_method (MonoAotCompile *acfg, MonoMethod *method)
3559 add_extra_method_with_depth (acfg, method, 0);
3563 add_jit_icall_wrapper (gpointer key, gpointer value, gpointer user_data)
3565 MonoAotCompile *acfg = (MonoAotCompile *)user_data;
3566 MonoJitICallInfo *callinfo = (MonoJitICallInfo *)value;
3567 MonoMethod *wrapper;
3573 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
3574 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, TRUE);
3577 add_method (acfg, wrapper);
3581 get_runtime_invoke_sig (MonoMethodSignature *sig)
3583 MonoMethodBuilder *mb;
3586 mb = mono_mb_new (mono_defaults.object_class, "FOO", MONO_WRAPPER_NONE);
3587 m = mono_mb_create_method (mb, sig, 16);
3588 MonoMethod *invoke = mono_marshal_get_runtime_invoke (m, FALSE);
3594 get_runtime_invoke (MonoAotCompile *acfg, MonoMethod *method, gboolean virtual_)
3596 return mono_marshal_get_runtime_invoke (method, virtual_);
3600 can_marshal_struct (MonoClass *klass)
3602 MonoClassField *field;
3603 gboolean can_marshal = TRUE;
3604 gpointer iter = NULL;
3605 MonoMarshalType *info;
3608 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
3611 info = mono_marshal_load_type_info (klass);
3613 /* Only allow a few field types to avoid asserts in the marshalling code */
3614 while ((field = mono_class_get_fields (klass, &iter))) {
3615 if ((field->type->attrs & FIELD_ATTRIBUTE_STATIC))
3618 switch (field->type->type) {
3623 case MONO_TYPE_BOOLEAN:
3626 case MONO_TYPE_CHAR:
3634 case MONO_TYPE_STRING:
3636 case MONO_TYPE_VALUETYPE:
3637 if (!mono_class_from_mono_type (field->type)->enumtype && !can_marshal_struct (mono_class_from_mono_type (field->type)))
3638 can_marshal = FALSE;
3640 case MONO_TYPE_SZARRAY: {
3641 gboolean has_mspec = FALSE;
3644 for (i = 0; i < info->num_fields; ++i) {
3645 if (info->fields [i].field == field && info->fields [i].mspec)
3650 can_marshal = FALSE;
3654 can_marshal = FALSE;
3660 /* Its hard to compute whenever these can be marshalled or not */
3661 if (!strcmp (klass->name_space, "System.Net.NetworkInformation.MacOsStructs") && strcmp (klass->name, "sockaddr_dl"))
3668 create_gsharedvt_inst (MonoAotCompile *acfg, MonoMethod *method, MonoGenericContext *ctx)
3670 /* Create a vtype instantiation */
3671 MonoGenericContext shared_context;
3673 MonoGenericInst *inst;
3674 MonoGenericContainer *container;
3675 MonoClass **constraints;
3678 memset (ctx, 0, sizeof (MonoGenericContext));
3680 if (method->klass->generic_container) {
3681 shared_context = method->klass->generic_container->context;
3682 inst = shared_context.class_inst;
3684 args = g_new0 (MonoType*, inst->type_argc);
3685 for (i = 0; i < inst->type_argc; ++i) {
3686 args [i] = &mono_defaults.int_class->byval_arg;
3688 ctx->class_inst = mono_metadata_get_generic_inst (inst->type_argc, args);
3690 if (method->is_generic) {
3691 container = mono_method_get_generic_container (method);
3692 shared_context = container->context;
3693 inst = shared_context.method_inst;
3695 args = g_new0 (MonoType*, inst->type_argc);
3696 for (i = 0; i < container->type_argc; ++i) {
3697 MonoGenericParamInfo *info = &container->type_params [i].info;
3698 gboolean ref_only = FALSE;
3700 if (info && info->constraints) {
3701 constraints = info->constraints;
3703 while (*constraints) {
3704 MonoClass *cklass = *constraints;
3705 if (!(cklass == mono_defaults.object_class || (cklass->image == mono_defaults.corlib && !strcmp (cklass->name, "ValueType"))))
3706 /* Inflaring the method with our vtype would not be valid */
3713 args [i] = &mono_defaults.object_class->byval_arg;
3715 args [i] = &mono_defaults.int_class->byval_arg;
3717 ctx->method_inst = mono_metadata_get_generic_inst (inst->type_argc, args);
3722 add_wrappers (MonoAotCompile *acfg)
3724 MonoMethod *method, *m;
3726 MonoMethodSignature *sig, *csig;
3730 * FIXME: Instead of AOTing all the wrappers, it might be better to redesign them
3731 * so there is only one wrapper of a given type, or inlining their contents into their
3734 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
3737 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
3738 gboolean skip = FALSE;
3740 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
3741 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
3743 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
3744 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
3745 (method->flags & METHOD_ATTRIBUTE_ABSTRACT))
3748 /* Skip methods which can not be handled by get_runtime_invoke () */
3749 sig = mono_method_signature (method);
3752 if ((sig->ret->type == MONO_TYPE_PTR) ||
3753 (sig->ret->type == MONO_TYPE_TYPEDBYREF))
3755 if (mono_class_is_open_constructed_type (sig->ret))
3758 for (j = 0; j < sig->param_count; j++) {
3759 if (sig->params [j]->type == MONO_TYPE_TYPEDBYREF)
3761 if (mono_class_is_open_constructed_type (sig->params [j]))
3765 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
3766 if (!mono_class_is_contextbound (method->klass)) {
3767 MonoDynCallInfo *info = mono_arch_dyn_call_prepare (sig);
3768 gboolean has_nullable = FALSE;
3770 for (j = 0; j < sig->param_count; j++) {
3771 if (sig->params [j]->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (sig->params [j])))
3772 has_nullable = TRUE;
3775 if (info && !has_nullable && !acfg->aot_opts.llvm_only) {
3776 /* Supported by the dynamic runtime-invoke wrapper */
3780 mono_arch_dyn_call_free (info);
3784 if (acfg->aot_opts.llvm_only)
3785 /* Supported by the gsharedvt based runtime-invoke wrapper */
3789 //printf ("%s\n", mono_method_full_name (method, TRUE));
3790 add_method (acfg, get_runtime_invoke (acfg, method, FALSE));
3794 if (strcmp (acfg->image->assembly->aname.name, "mscorlib") == 0) {
3797 /* Runtime invoke wrappers */
3799 /* void runtime-invoke () [.cctor] */
3800 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3801 csig->ret = &mono_defaults.void_class->byval_arg;
3802 add_method (acfg, get_runtime_invoke_sig (csig));
3804 /* void runtime-invoke () [Finalize] */
3805 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3807 csig->ret = &mono_defaults.void_class->byval_arg;
3808 add_method (acfg, get_runtime_invoke_sig (csig));
3810 /* void runtime-invoke (string) [exception ctor] */
3811 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
3813 csig->ret = &mono_defaults.void_class->byval_arg;
3814 csig->params [0] = &mono_defaults.string_class->byval_arg;
3815 add_method (acfg, get_runtime_invoke_sig (csig));
3817 /* void runtime-invoke (string, string) [exception ctor] */
3818 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
3820 csig->ret = &mono_defaults.void_class->byval_arg;
3821 csig->params [0] = &mono_defaults.string_class->byval_arg;
3822 csig->params [1] = &mono_defaults.string_class->byval_arg;
3823 add_method (acfg, get_runtime_invoke_sig (csig));
3825 /* string runtime-invoke () [Exception.ToString ()] */
3826 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3828 csig->ret = &mono_defaults.string_class->byval_arg;
3829 add_method (acfg, get_runtime_invoke_sig (csig));
3831 /* void runtime-invoke (string, Exception) [exception ctor] */
3832 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
3834 csig->ret = &mono_defaults.void_class->byval_arg;
3835 csig->params [0] = &mono_defaults.string_class->byval_arg;
3836 csig->params [1] = &mono_defaults.exception_class->byval_arg;
3837 add_method (acfg, get_runtime_invoke_sig (csig));
3839 /* Assembly runtime-invoke (string, bool) [DoAssemblyResolve] */
3840 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
3842 csig->ret = &(mono_class_load_from_name (
3843 mono_defaults.corlib, "System.Reflection", "Assembly"))->byval_arg;
3844 csig->params [0] = &mono_defaults.string_class->byval_arg;
3845 csig->params [1] = &mono_defaults.boolean_class->byval_arg;
3846 add_method (acfg, get_runtime_invoke_sig (csig));
3848 /* runtime-invoke used by finalizers */
3849 add_method (acfg, get_runtime_invoke (acfg, mono_class_get_method_from_name_flags (mono_defaults.object_class, "Finalize", 0, 0), TRUE));
3851 /* This is used by mono_runtime_capture_context () */
3852 method = mono_get_context_capture_method ();
3854 add_method (acfg, get_runtime_invoke (acfg, method, FALSE));
3856 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
3857 if (!acfg->aot_opts.llvm_only)
3858 add_method (acfg, mono_marshal_get_runtime_invoke_dynamic ());
3861 /* These are used by mono_jit_runtime_invoke () to calls gsharedvt out wrappers */
3862 if (acfg->aot_opts.llvm_only) {
3865 /* Create simplified signatures which match the signature used by the gsharedvt out wrappers */
3866 for (variants = 0; variants < 4; ++variants) {
3867 for (i = 0; i < 16; ++i) {
3868 sig = mini_get_gsharedvt_out_sig_wrapper_signature ((variants & 1) > 0, (variants & 2) > 0, i);
3869 add_extra_method (acfg, mono_marshal_get_runtime_invoke_for_sig (sig));
3877 add_method (acfg, mono_marshal_get_stelemref ());
3879 if (MONO_ARCH_HAVE_TLS_GET) {
3880 /* Managed Allocators */
3881 nallocators = mono_gc_get_managed_allocator_types ();
3882 for (i = 0; i < nallocators; ++i) {
3883 if ((m = mono_gc_get_managed_allocator_by_type (i, MANAGED_ALLOCATOR_REGULAR)))
3884 add_method (acfg, m);
3885 if ((m = mono_gc_get_managed_allocator_by_type (i, MANAGED_ALLOCATOR_SLOW_PATH)))
3886 add_method (acfg, m);
3890 /* write barriers */
3891 if (mono_gc_is_moving ()) {
3892 add_method (acfg, mono_gc_get_specific_write_barrier (FALSE));
3893 add_method (acfg, mono_gc_get_specific_write_barrier (TRUE));
3896 /* Stelemref wrappers */
3898 MonoMethod **wrappers;
3901 wrappers = mono_marshal_get_virtual_stelemref_wrappers (&nwrappers);
3902 for (i = 0; i < nwrappers; ++i)
3903 add_method (acfg, wrappers [i]);
3907 /* castclass_with_check wrapper */
3908 add_method (acfg, mono_marshal_get_castclass_with_cache ());
3909 /* isinst_with_check wrapper */
3910 add_method (acfg, mono_marshal_get_isinst_with_cache ());
3912 /* JIT icall wrappers */
3913 /* FIXME: locking - this is "safe" as full-AOT threads don't mutate the icall hash*/
3914 g_hash_table_foreach (mono_get_jit_icall_info (), add_jit_icall_wrapper, acfg);
3918 * remoting-invoke-with-check wrappers are very frequent, so avoid emitting them,
3919 * we use the original method instead at runtime.
3920 * Since full-aot doesn't support remoting, this is not a problem.
3923 /* remoting-invoke wrappers */
3924 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
3926 MonoMethodSignature *sig;
3928 token = MONO_TOKEN_METHOD_DEF | (i + 1);
3929 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
3930 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3932 sig = mono_method_signature (method);
3934 if (sig->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class)) {
3935 m = mono_marshal_get_remoting_invoke_with_check (method);
3937 add_method (acfg, m);
3942 /* delegate-invoke wrappers */
3943 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
3946 MonoCustomAttrInfo *cattr;
3948 token = MONO_TOKEN_TYPE_DEF | (i + 1);
3949 klass = mono_class_get_checked (acfg->image, token, &error);
3952 mono_error_cleanup (&error);
3956 if (!klass->delegate || klass == mono_defaults.delegate_class || klass == mono_defaults.multicastdelegate_class)
3959 if (!klass->generic_container) {
3960 method = mono_get_delegate_invoke (klass);
3962 m = mono_marshal_get_delegate_invoke (method, NULL);
3964 add_method (acfg, m);
3966 method = mono_class_get_method_from_name_flags (klass, "BeginInvoke", -1, 0);
3968 add_method (acfg, mono_marshal_get_delegate_begin_invoke (method));
3970 method = mono_class_get_method_from_name_flags (klass, "EndInvoke", -1, 0);
3972 add_method (acfg, mono_marshal_get_delegate_end_invoke (method));
3974 cattr = mono_custom_attrs_from_class_checked (klass, &error);
3975 if (!is_ok (&error)) {
3976 mono_error_cleanup (&error);
3983 for (j = 0; j < cattr->num_attrs; ++j)
3984 if (cattr->attrs [j].ctor && (!strcmp (cattr->attrs [j].ctor->klass->name, "MonoNativeFunctionWrapperAttribute") || !strcmp (cattr->attrs [j].ctor->klass->name, "UnmanagedFunctionPointerAttribute")))
3986 if (j < cattr->num_attrs) {
3988 MonoMethod *wrapper;
3989 MonoMethod *del_invoke;
3991 /* Add wrappers needed by mono_ftnptr_to_delegate () */
3992 invoke = mono_get_delegate_invoke (klass);
3993 wrapper = mono_marshal_get_native_func_wrapper_aot (klass);
3994 del_invoke = mono_marshal_get_delegate_invoke_internal (invoke, FALSE, TRUE, wrapper);
3995 add_method (acfg, wrapper);
3996 add_method (acfg, del_invoke);
3999 } else if ((acfg->opts & MONO_OPT_GSHAREDVT) && klass->generic_container) {
4001 MonoGenericContext ctx;
4002 MonoMethod *inst, *gshared;
4005 * Emit gsharedvt versions of the generic delegate-invoke wrappers
4008 method = mono_get_delegate_invoke (klass);
4009 create_gsharedvt_inst (acfg, method, &ctx);
4011 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4012 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4014 m = mono_marshal_get_delegate_invoke (inst, NULL);
4015 g_assert (m->is_inflated);
4017 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4018 add_extra_method (acfg, gshared);
4021 method = mono_get_delegate_begin_invoke (klass);
4022 create_gsharedvt_inst (acfg, method, &ctx);
4024 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4025 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4027 m = mono_marshal_get_delegate_begin_invoke (inst);
4028 g_assert (m->is_inflated);
4030 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4031 add_extra_method (acfg, gshared);
4034 method = mono_get_delegate_end_invoke (klass);
4035 create_gsharedvt_inst (acfg, method, &ctx);
4037 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4038 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4040 m = mono_marshal_get_delegate_end_invoke (inst);
4041 g_assert (m->is_inflated);
4043 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4044 add_extra_method (acfg, gshared);
4049 /* array access wrappers */
4050 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPESPEC].rows; ++i) {
4054 token = MONO_TOKEN_TYPE_SPEC | (i + 1);
4055 klass = mono_class_get_checked (acfg->image, token, &error);
4058 mono_error_cleanup (&error);
4062 if (klass->rank && MONO_TYPE_IS_PRIMITIVE (&klass->element_class->byval_arg)) {
4063 MonoMethod *m, *wrapper;
4065 /* Add runtime-invoke wrappers too */
4067 m = mono_class_get_method_from_name (klass, "Get", -1);
4069 wrapper = mono_marshal_get_array_accessor_wrapper (m);
4070 add_extra_method (acfg, wrapper);
4071 if (!acfg->aot_opts.llvm_only)
4072 add_extra_method (acfg, get_runtime_invoke (acfg, wrapper, FALSE));
4074 m = mono_class_get_method_from_name (klass, "Set", -1);
4076 wrapper = mono_marshal_get_array_accessor_wrapper (m);
4077 add_extra_method (acfg, wrapper);
4078 if (!acfg->aot_opts.llvm_only)
4079 add_extra_method (acfg, get_runtime_invoke (acfg, wrapper, FALSE));
4083 /* Synchronized wrappers */
4084 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
4086 token = MONO_TOKEN_METHOD_DEF | (i + 1);
4087 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4088 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
4090 if (method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) {
4091 if (method->is_generic) {
4093 } else if ((acfg->opts & MONO_OPT_GSHAREDVT) && method->klass->generic_container) {
4095 MonoGenericContext ctx;
4096 MonoMethod *inst, *gshared, *m;
4099 * Create a generic wrapper for a generic instance, and AOT that.
4101 create_gsharedvt_inst (acfg, method, &ctx);
4102 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
4103 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4104 m = mono_marshal_get_synchronized_wrapper (inst);
4105 g_assert (m->is_inflated);
4106 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
4107 add_method (acfg, gshared);
4109 add_method (acfg, mono_marshal_get_synchronized_wrapper (method));
4114 /* pinvoke wrappers */
4115 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
4118 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
4120 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4121 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
4123 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
4124 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)) {
4125 add_method (acfg, mono_marshal_get_native_wrapper (method, TRUE, TRUE));
4129 /* native-to-managed wrappers */
4130 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
4133 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
4134 MonoCustomAttrInfo *cattr;
4137 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4138 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
4141 * Only generate native-to-managed wrappers for methods which have an
4142 * attribute named MonoPInvokeCallbackAttribute. We search for the attribute by
4143 * name to avoid defining a new assembly to contain it.
4145 cattr = mono_custom_attrs_from_method_checked (method, &error);
4146 if (!is_ok (&error)) {
4147 char *name = mono_method_get_full_name (method);
4148 report_loader_error (acfg, &error, "Failed to load custom attributes from method %s due to %s\n", name, mono_error_get_message (&error));
4153 for (j = 0; j < cattr->num_attrs; ++j)
4154 if (cattr->attrs [j].ctor && !strcmp (cattr->attrs [j].ctor->klass->name, "MonoPInvokeCallbackAttribute"))
4156 if (j < cattr->num_attrs) {
4157 MonoCustomAttrEntry *e = &cattr->attrs [j];
4158 MonoMethodSignature *sig = mono_method_signature (e->ctor);
4159 const char *p = (const char*)e->data;
4161 int slen, num_named, named_type;
4165 char *export_name = NULL;
4166 MonoMethod *wrapper;
4168 /* this cannot be enforced by the C# compiler so we must give the user some warning before aborting */
4169 if (!(method->flags & METHOD_ATTRIBUTE_STATIC)) {
4170 g_warning ("AOT restriction: Method '%s' must be static since it is decorated with [MonoPInvokeCallback]. See http://ios.xamarin.com/Documentation/Limitations#Reverse_Callbacks",
4171 mono_method_full_name (method, TRUE));
4175 g_assert (sig->param_count == 1);
4176 g_assert (sig->params [0]->type == MONO_TYPE_CLASS && !strcmp (mono_class_from_mono_type (sig->params [0])->name, "Type"));
4179 * Decode the cattr manually since we can't create objects
4180 * during aot compilation.
4186 /* From load_cattr_value () in reflection.c */
4187 slen = mono_metadata_decode_value (p, &p);
4188 n = (char *)g_memdup (p, slen + 1);
4190 t = mono_reflection_type_from_name_checked (n, acfg->image, &error);
4192 mono_error_assert_ok (&error);
4195 klass = mono_class_from_mono_type (t);
4196 g_assert (klass->parent == mono_defaults.multicastdelegate_class);
4200 num_named = read16 (p);
4203 g_assert (num_named < 2);
4204 if (num_named == 1) {
4208 /* parse ExportSymbol attribute */
4210 named_type = *named;
4212 /* data_type = *named; */
4215 name_len = mono_metadata_decode_blob_size (named, &named);
4216 name = (char *)g_malloc (name_len + 1);
4217 memcpy (name, named, name_len);
4218 name [name_len] = 0;
4221 g_assert (named_type == 0x54);
4222 g_assert (!strcmp (name, "ExportSymbol"));
4224 /* load_cattr_value (), string case */
4225 g_assert (*named != (char)0xff);
4226 slen = mono_metadata_decode_value (named, &named);
4227 export_name = (char *)g_malloc (slen + 1);
4228 memcpy (export_name, named, slen);
4229 export_name [slen] = 0;
4233 wrapper = mono_marshal_get_managed_wrapper (method, klass, 0);
4234 add_method (acfg, wrapper);
4236 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");
4663 mono_metadata_free_mh (header);
4665 mono_error_cleanup (&error); /* FIXME report the error */
4671 * add_generic_instances:
4673 * Add instances referenced by the METHODSPEC/TYPESPEC table.
4676 add_generic_instances (MonoAotCompile *acfg)
4681 MonoGenericContext *context;
4683 if (acfg->aot_opts.no_instances)
4686 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHODSPEC].rows; ++i) {
4688 token = MONO_TOKEN_METHOD_SPEC | (i + 1);
4689 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4692 aot_printerrf (acfg, "Failed to load methodspec 0x%x due to %s.\n", token, mono_error_get_message (&error));
4693 aot_printerrf (acfg, "Run with MONO_LOG_LEVEL=debug for more information.\n");
4694 mono_error_cleanup (&error);
4698 if (method->klass->image != acfg->image)
4701 context = mono_method_get_context (method);
4703 if (context && ((context->class_inst && context->class_inst->is_open)))
4707 * For open methods, create an instantiation which can be passed to the JIT.
4708 * FIXME: Handle class_inst as well.
4710 if (context && context->method_inst && context->method_inst->is_open) {
4712 MonoGenericContext shared_context;
4713 MonoGenericInst *inst;
4714 MonoType **type_argv;
4716 MonoMethod *declaring_method;
4717 gboolean supported = TRUE;
4719 /* Check that the context doesn't contain open constructed types */
4720 if (context->class_inst) {
4721 inst = context->class_inst;
4722 for (i = 0; i < inst->type_argc; ++i) {
4723 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)
4725 if (mono_class_is_open_constructed_type (inst->type_argv [i]))
4729 if (context->method_inst) {
4730 inst = context->method_inst;
4731 for (i = 0; i < inst->type_argc; ++i) {
4732 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)
4734 if (mono_class_is_open_constructed_type (inst->type_argv [i]))
4742 memset (&shared_context, 0, sizeof (MonoGenericContext));
4744 inst = context->class_inst;
4746 type_argv = g_new0 (MonoType*, inst->type_argc);
4747 for (i = 0; i < inst->type_argc; ++i) {
4748 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)
4749 type_argv [i] = &mono_defaults.object_class->byval_arg;
4751 type_argv [i] = inst->type_argv [i];
4754 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4758 inst = context->method_inst;
4760 type_argv = g_new0 (MonoType*, inst->type_argc);
4761 for (i = 0; i < inst->type_argc; ++i) {
4762 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)
4763 type_argv [i] = &mono_defaults.object_class->byval_arg;
4765 type_argv [i] = inst->type_argv [i];
4768 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4772 if (method->is_generic || method->klass->generic_container)
4773 declaring_method = method;
4775 declaring_method = mono_method_get_declaring_generic_method (method);
4777 method = mono_class_inflate_generic_method_checked (declaring_method, &shared_context, &error);
4778 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4782 * If the method is fully sharable, it was already added in place of its
4783 * generic definition.
4785 if (mono_method_is_generic_sharable_full (method, FALSE, FALSE, FALSE))
4789 * FIXME: Partially shared methods are not shared here, so we end up with
4790 * many identical methods.
4792 add_extra_method (acfg, method);
4795 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPESPEC].rows; ++i) {
4799 token = MONO_TOKEN_TYPE_SPEC | (i + 1);
4801 klass = mono_class_get_checked (acfg->image, token, &error);
4802 if (!klass || klass->rank) {
4803 mono_error_cleanup (&error);
4807 add_generic_class (acfg, klass, FALSE, "typespec");
4810 /* Add types of args/locals */
4811 for (i = 0; i < acfg->methods->len; ++i) {
4812 method = (MonoMethod *)g_ptr_array_index (acfg->methods, i);
4813 add_types_from_method_header (acfg, method);
4816 if (acfg->image == mono_defaults.corlib) {
4818 MonoType *insts [256];
4821 insts [ninsts ++] = &mono_defaults.byte_class->byval_arg;
4822 insts [ninsts ++] = &mono_defaults.sbyte_class->byval_arg;
4823 insts [ninsts ++] = &mono_defaults.int16_class->byval_arg;
4824 insts [ninsts ++] = &mono_defaults.uint16_class->byval_arg;
4825 insts [ninsts ++] = &mono_defaults.int32_class->byval_arg;
4826 insts [ninsts ++] = &mono_defaults.uint32_class->byval_arg;
4827 insts [ninsts ++] = &mono_defaults.int64_class->byval_arg;
4828 insts [ninsts ++] = &mono_defaults.uint64_class->byval_arg;
4829 insts [ninsts ++] = &mono_defaults.single_class->byval_arg;
4830 insts [ninsts ++] = &mono_defaults.double_class->byval_arg;
4831 insts [ninsts ++] = &mono_defaults.char_class->byval_arg;
4832 insts [ninsts ++] = &mono_defaults.boolean_class->byval_arg;
4834 /* Add GenericComparer<T> instances for primitive types for Enum.ToString () */
4835 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "GenericComparer`1");
4837 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4838 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "GenericEqualityComparer`1");
4840 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4842 /* Add instances of EnumEqualityComparer which are created by EqualityComparer<T> for enums */
4844 MonoClass *enum_comparer;
4845 MonoType *insts [16];
4849 insts [ninsts ++] = &mono_defaults.int32_class->byval_arg;
4850 insts [ninsts ++] = &mono_defaults.uint32_class->byval_arg;
4851 insts [ninsts ++] = &mono_defaults.uint16_class->byval_arg;
4852 insts [ninsts ++] = &mono_defaults.byte_class->byval_arg;
4853 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "EnumEqualityComparer`1");
4854 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4857 insts [ninsts ++] = &mono_defaults.int16_class->byval_arg;
4858 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "ShortEnumEqualityComparer`1");
4859 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4862 insts [ninsts ++] = &mono_defaults.sbyte_class->byval_arg;
4863 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "SByteEnumEqualityComparer`1");
4864 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4866 enum_comparer = mono_class_load_from_name (mono_defaults.corlib, "System.Collections.Generic", "LongEnumEqualityComparer`1");
4868 insts [ninsts ++] = &mono_defaults.int64_class->byval_arg;
4869 insts [ninsts ++] = &mono_defaults.uint64_class->byval_arg;
4870 add_instances_of (acfg, enum_comparer, insts, ninsts, FALSE);
4873 /* Add instances of the array generic interfaces for primitive types */
4874 /* This will add instances of the InternalArray_ helper methods in Array too */
4875 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "ICollection`1");
4877 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4879 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "IList`1");
4881 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4883 klass = mono_class_try_load_from_name (acfg->image, "System.Collections.Generic", "IEnumerable`1");
4885 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4888 * Add a managed-to-native wrapper of Array.GetGenericValueImpl<object>, which is
4889 * used for all instances of GetGenericValueImpl by the AOT runtime.
4892 MonoGenericContext ctx;
4893 MonoType *args [16];
4894 MonoMethod *get_method;
4895 MonoClass *array_klass = mono_array_class_get (mono_defaults.object_class, 1)->parent;
4897 get_method = mono_class_get_method_from_name (array_klass, "GetGenericValueImpl", 2);
4901 memset (&ctx, 0, sizeof (ctx));
4902 args [0] = &mono_defaults.object_class->byval_arg;
4903 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4904 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (get_method, &ctx, &error), TRUE, TRUE));
4905 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4909 /* Same for CompareExchange<T>/Exchange<T> */
4911 MonoGenericContext ctx;
4912 MonoType *args [16];
4914 MonoClass *interlocked_klass = mono_class_load_from_name (mono_defaults.corlib, "System.Threading", "Interlocked");
4915 gpointer iter = NULL;
4917 while ((m = mono_class_get_methods (interlocked_klass, &iter))) {
4918 if ((!strcmp (m->name, "CompareExchange") || !strcmp (m->name, "Exchange")) && m->is_generic) {
4920 memset (&ctx, 0, sizeof (ctx));
4921 args [0] = &mono_defaults.object_class->byval_arg;
4922 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4923 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m, &ctx, &error), TRUE, TRUE));
4924 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4929 /* Same for Volatile.Read/Write<T> */
4931 MonoGenericContext ctx;
4932 MonoType *args [16];
4934 MonoClass *volatile_klass = mono_class_try_load_from_name (mono_defaults.corlib, "System.Threading", "Volatile");
4935 gpointer iter = NULL;
4937 if (volatile_klass) {
4938 while ((m = mono_class_get_methods (volatile_klass, &iter))) {
4939 if ((!strcmp (m->name, "Read") || !strcmp (m->name, "Write")) && m->is_generic) {
4941 memset (&ctx, 0, sizeof (ctx));
4942 args [0] = &mono_defaults.object_class->byval_arg;
4943 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4944 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m, &ctx, &error), TRUE, TRUE));
4945 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4951 /* object[] accessor wrappers. */
4952 for (i = 1; i < 4; ++i) {
4953 MonoClass *obj_array_class = mono_array_class_get (mono_defaults.object_class, i);
4956 m = mono_class_get_method_from_name (obj_array_class, "Get", i);
4959 m = mono_marshal_get_array_accessor_wrapper (m);
4960 add_extra_method (acfg, m);
4962 m = mono_class_get_method_from_name (obj_array_class, "Address", i);
4965 m = mono_marshal_get_array_accessor_wrapper (m);
4966 add_extra_method (acfg, m);
4968 m = mono_class_get_method_from_name (obj_array_class, "Set", i + 1);
4971 m = mono_marshal_get_array_accessor_wrapper (m);
4972 add_extra_method (acfg, m);
4978 * is_direct_callable:
4980 * Return whenever the method identified by JI is directly callable without
4981 * going through the PLT.
4984 is_direct_callable (MonoAotCompile *acfg, MonoMethod *method, MonoJumpInfo *patch_info)
4986 if ((patch_info->type == MONO_PATCH_INFO_METHOD) && (patch_info->data.method->klass->image == acfg->image)) {
4987 MonoCompile *callee_cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, patch_info->data.method);
4989 gboolean direct_callable = TRUE;
4991 if (direct_callable && !(!callee_cfg->has_got_slots && (callee_cfg->method->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT)))
4992 direct_callable = FALSE;
4993 if ((callee_cfg->method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) && (!method || method->wrapper_type != MONO_WRAPPER_SYNCHRONIZED))
4994 // FIXME: Maybe call the wrapper directly ?
4995 direct_callable = FALSE;
4997 if (acfg->aot_opts.soft_debug || acfg->aot_opts.no_direct_calls) {
4998 /* Disable this so all calls go through load_method (), see the
4999 * mini_get_debug_options ()->load_aot_jit_info_eagerly = TRUE; line in
5000 * mono_debugger_agent_init ().
5002 direct_callable = FALSE;
5005 if (callee_cfg->method->wrapper_type == MONO_WRAPPER_ALLOC)
5006 /* sgen does some initialization when the allocator method is created */
5007 direct_callable = FALSE;
5008 if (callee_cfg->method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER)
5009 /* we don't know at compile time whether sgen is concurrent or not */
5010 direct_callable = FALSE;
5012 if (direct_callable)
5015 } else if ((patch_info->type == MONO_PATCH_INFO_ICALL_ADDR_CALL && patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
5016 if (acfg->aot_opts.direct_pinvoke)
5018 } else if (patch_info->type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
5019 if (acfg->aot_opts.direct_icalls)
5027 #ifdef MONO_ARCH_AOT_SUPPORTED
5029 get_pinvoke_import (MonoAotCompile *acfg, MonoMethod *method)
5031 MonoImage *image = method->klass->image;
5032 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
5033 MonoTableInfo *tables = image->tables;
5034 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
5035 MonoTableInfo *mr = &tables [MONO_TABLE_MODULEREF];
5036 guint32 im_cols [MONO_IMPLMAP_SIZE];
5039 import = (char *)g_hash_table_lookup (acfg->method_to_pinvoke_import, method);
5043 if (!piinfo->implmap_idx || piinfo->implmap_idx > im->rows)
5046 mono_metadata_decode_row (im, piinfo->implmap_idx - 1, im_cols, MONO_IMPLMAP_SIZE);
5048 if (!im_cols [MONO_IMPLMAP_SCOPE] || im_cols [MONO_IMPLMAP_SCOPE] > mr->rows)
5051 import = g_strdup_printf ("%s", mono_metadata_string_heap (image, im_cols [MONO_IMPLMAP_NAME]));
5053 g_hash_table_insert (acfg->method_to_pinvoke_import, method, import);
5059 get_pinvoke_import (MonoAotCompile *acfg, MonoMethod *method)
5066 compare_lne (MonoDebugLineNumberEntry *a, MonoDebugLineNumberEntry *b)
5068 if (a->native_offset == b->native_offset)
5069 return a->il_offset - b->il_offset;
5071 return a->native_offset - b->native_offset;
5075 * compute_line_numbers:
5077 * Returns a sparse array of size CODE_SIZE containing MonoDebugSourceLocation* entries for the native offsets which have a corresponding line number
5080 static MonoDebugSourceLocation**
5081 compute_line_numbers (MonoMethod *method, int code_size, MonoDebugMethodJitInfo *debug_info)
5083 MonoDebugMethodInfo *minfo;
5084 MonoDebugLineNumberEntry *ln_array;
5085 MonoDebugSourceLocation *loc;
5086 int i, prev_line, prev_il_offset;
5087 int *native_to_il_offset = NULL;
5088 MonoDebugSourceLocation **res;
5091 minfo = mono_debug_lookup_method (method);
5094 // FIXME: This seems to happen when two methods have the same cfg->method_to_register
5095 if (debug_info->code_size != code_size)
5098 g_assert (code_size);
5100 /* Compute the native->IL offset mapping */
5102 ln_array = g_new0 (MonoDebugLineNumberEntry, debug_info->num_line_numbers);
5103 memcpy (ln_array, debug_info->line_numbers, debug_info->num_line_numbers * sizeof (MonoDebugLineNumberEntry));
5105 qsort (ln_array, debug_info->num_line_numbers, sizeof (MonoDebugLineNumberEntry), (int (*)(const void *, const void *))compare_lne);
5107 native_to_il_offset = g_new0 (int, code_size + 1);
5109 for (i = 0; i < debug_info->num_line_numbers; ++i) {
5111 MonoDebugLineNumberEntry *lne = &ln_array [i];
5114 for (j = 0; j < lne->native_offset; ++j)
5115 native_to_il_offset [j] = -1;
5118 if (i < debug_info->num_line_numbers - 1) {
5119 MonoDebugLineNumberEntry *lne_next = &ln_array [i + 1];
5121 for (j = lne->native_offset; j < lne_next->native_offset; ++j)
5122 native_to_il_offset [j] = lne->il_offset;
5124 for (j = lne->native_offset; j < code_size; ++j)
5125 native_to_il_offset [j] = lne->il_offset;
5130 /* Compute the native->line number mapping */
5131 res = g_new0 (MonoDebugSourceLocation*, code_size);
5132 prev_il_offset = -1;
5135 for (i = 0; i < code_size; ++i) {
5136 int il_offset = native_to_il_offset [i];
5138 if (il_offset == -1 || il_offset == prev_il_offset)
5140 prev_il_offset = il_offset;
5141 loc = mono_debug_symfile_lookup_location (minfo, il_offset);
5142 if (!(loc && loc->source_file))
5144 if (loc->row == prev_line) {
5145 mono_debug_symfile_free_location (loc);
5148 prev_line = loc->row;
5149 //printf ("D: %s:%d il=%x native=%x\n", loc->source_file, loc->row, il_offset, i);
5151 /* This will cover the prolog too */
5161 get_file_index (MonoAotCompile *acfg, const char *source_file)
5165 // FIXME: Free these
5166 if (!acfg->dwarf_ln_filenames)
5167 acfg->dwarf_ln_filenames = g_hash_table_new (g_str_hash, g_str_equal);
5168 findex = GPOINTER_TO_INT (g_hash_table_lookup (acfg->dwarf_ln_filenames, source_file));
5170 findex = g_hash_table_size (acfg->dwarf_ln_filenames) + 1;
5171 g_hash_table_insert (acfg->dwarf_ln_filenames, g_strdup (source_file), GINT_TO_POINTER (findex));
5172 emit_unset_mode (acfg);
5173 fprintf (acfg->fp, ".file %d \"%s\"\n", findex, mono_dwarf_escape_path (source_file));
5185 * emit_and_reloc_code:
5187 * Emit the native code in CODE, handling relocations along the way. If GOT_ONLY
5188 * is true, calls are made through the GOT too. This is used for emitting trampolines
5189 * in full-aot mode, since calls made from trampolines couldn't go through the PLT,
5190 * since trampolines are needed to make PTL work.
5193 emit_and_reloc_code (MonoAotCompile *acfg, MonoMethod *method, guint8 *code, guint32 code_len, MonoJumpInfo *relocs, gboolean got_only, MonoDebugMethodJitInfo *debug_info)
5195 int i, pindex, start_index;
5197 MonoJumpInfo *patch_info;
5198 MonoDebugSourceLocation **locs = NULL;
5199 gboolean skip, prologue_end = FALSE;
5200 #ifdef MONO_ARCH_AOT_SUPPORTED
5201 gboolean direct_call, external_call;
5203 const char *direct_call_target = 0;
5204 const char *direct_pinvoke;
5207 if (acfg->gas_line_numbers && method && debug_info) {
5208 locs = compute_line_numbers (method, code_len, debug_info);
5210 int findex = get_file_index (acfg, "<unknown>");
5211 emit_unset_mode (acfg);
5212 fprintf (acfg->fp, ".loc %d %d 0\n", findex, 1);
5216 /* Collect and sort relocations */
5217 patches = g_ptr_array_new ();
5218 for (patch_info = relocs; patch_info; patch_info = patch_info->next)
5219 g_ptr_array_add (patches, patch_info);
5220 g_ptr_array_sort (patches, compare_patches);
5223 for (i = 0; i < code_len; i += INST_LEN) {
5225 for (pindex = start_index; pindex < patches->len; ++pindex) {
5226 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5227 if (patch_info->ip.i >= i)
5231 if (locs && locs [i]) {
5232 MonoDebugSourceLocation *loc = locs [i];
5234 const char *options;
5236 findex = get_file_index (acfg, loc->source_file);
5237 emit_unset_mode (acfg);
5239 options = " prologue_end";
5242 prologue_end = TRUE;
5243 fprintf (acfg->fp, ".loc %d %d 0%s\n", findex, loc->row, options);
5244 mono_debug_symfile_free_location (loc);
5248 #ifdef MONO_ARCH_AOT_SUPPORTED
5249 if (patch_info && (patch_info->ip.i == i) && (pindex < patches->len)) {
5250 start_index = pindex;
5252 switch (patch_info->type) {
5253 case MONO_PATCH_INFO_NONE:
5255 case MONO_PATCH_INFO_GOT_OFFSET: {
5258 arch_emit_got_offset (acfg, code + i, &code_size);
5259 i += code_size - INST_LEN;
5261 patch_info->type = MONO_PATCH_INFO_NONE;
5264 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
5265 int code_size, index;
5266 char *selector = (char *)patch_info->data.target;
5268 if (!acfg->objc_selector_to_index)
5269 acfg->objc_selector_to_index = g_hash_table_new (g_str_hash, g_str_equal);
5270 if (!acfg->objc_selectors)
5271 acfg->objc_selectors = g_ptr_array_new ();
5272 index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->objc_selector_to_index, selector));
5276 index = acfg->objc_selector_index;
5277 g_ptr_array_add (acfg->objc_selectors, (void*)patch_info->data.target);
5278 g_hash_table_insert (acfg->objc_selector_to_index, selector, GUINT_TO_POINTER (index + 1));
5279 acfg->objc_selector_index ++;
5282 arch_emit_objc_selector_ref (acfg, code + i, index, &code_size);
5283 i += code_size - INST_LEN;
5285 patch_info->type = MONO_PATCH_INFO_NONE;
5290 * If this patch is a call, try emitting a direct call instead of
5291 * through a PLT entry. This is possible if the called method is in
5292 * the same assembly and requires no initialization.
5294 direct_call = FALSE;
5295 external_call = FALSE;
5296 if ((patch_info->type == MONO_PATCH_INFO_METHOD) && (patch_info->data.method->klass->image == acfg->image)) {
5297 if (!got_only && is_direct_callable (acfg, method, patch_info)) {
5298 MonoCompile *callee_cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, patch_info->data.method);
5299 //printf ("DIRECT: %s %s\n", method ? mono_method_full_name (method, TRUE) : "", mono_method_full_name (callee_cfg->method, TRUE));
5301 direct_call_target = callee_cfg->asm_symbol;
5302 patch_info->type = MONO_PATCH_INFO_NONE;
5303 acfg->stats.direct_calls ++;
5306 acfg->stats.all_calls ++;
5307 } else if (patch_info->type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
5308 if (!got_only && is_direct_callable (acfg, method, patch_info)) {
5309 if (!(patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
5310 direct_pinvoke = mono_lookup_icall_symbol (patch_info->data.method);
5312 direct_pinvoke = get_pinvoke_import (acfg, patch_info->data.method);
5313 if (direct_pinvoke) {
5315 g_assert (strlen (direct_pinvoke) < 1000);
5316 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, direct_pinvoke);
5319 } else if (patch_info->type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
5320 const char *sym = mono_lookup_jit_icall_symbol (patch_info->data.name);
5321 if (!got_only && sym && acfg->aot_opts.direct_icalls) {
5322 /* Call to a C function implementing a jit icall */
5324 external_call = TRUE;
5325 g_assert (strlen (sym) < 1000);
5326 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, sym);
5328 } else if (patch_info->type == MONO_PATCH_INFO_INTERNAL_METHOD) {
5329 MonoJitICallInfo *info = mono_find_jit_icall_by_name (patch_info->data.name);
5330 const char *sym = mono_lookup_jit_icall_symbol (patch_info->data.name);
5331 if (!got_only && sym && acfg->aot_opts.direct_icalls && info->func == info->wrapper) {
5332 /* Call to a jit icall without a wrapper */
5334 external_call = TRUE;
5335 g_assert (strlen (sym) < 1000);
5336 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, sym);
5341 patch_info->type = MONO_PATCH_INFO_NONE;
5342 acfg->stats.direct_calls ++;
5345 if (!got_only && !direct_call) {
5346 MonoPltEntry *plt_entry = get_plt_entry (acfg, patch_info);
5348 /* This patch has a PLT entry, so we must emit a call to the PLT entry */
5350 direct_call_target = plt_entry->symbol;
5352 /* Nullify the patch */
5353 patch_info->type = MONO_PATCH_INFO_NONE;
5354 plt_entry->jit_used = TRUE;
5361 arch_emit_direct_call (acfg, direct_call_target, external_call, FALSE, patch_info, &call_size);
5362 i += call_size - INST_LEN;
5366 got_slot = get_got_offset (acfg, FALSE, patch_info);
5368 arch_emit_got_access (acfg, acfg->got_symbol, code + i, got_slot, &code_size);
5369 i += code_size - INST_LEN;
5375 #endif /* MONO_ARCH_AOT_SUPPORTED */
5378 /* Find next patch */
5380 for (pindex = start_index; pindex < patches->len; ++pindex) {
5381 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5382 if (patch_info->ip.i >= i)
5386 /* Try to emit multiple bytes at once */
5387 if (pindex < patches->len && patch_info->ip.i > i) {
5390 for (limit = i + INST_LEN; limit < patch_info->ip.i; limit += INST_LEN) {
5391 if (locs && locs [limit])
5395 emit_code_bytes (acfg, code + i, limit - i);
5396 i = limit - INST_LEN;
5398 emit_code_bytes (acfg, code + i, INST_LEN);
5403 g_ptr_array_free (patches, TRUE);
5410 * Return a modified version of S which only includes characters permissible in symbols.
5413 sanitize_symbol (MonoAotCompile *acfg, char *s)
5415 gboolean process = FALSE;
5424 for (i = 0; i < len; ++i)
5425 if (!(s [i] <= 0x7f && (isalnum (s [i]) || s [i] == '_')))
5430 gs = g_string_sized_new (len);
5431 for (i = 0; i < len; ++i) {
5433 if (c <= 0x7f && (isalnum (c) || c == '_')) {
5434 g_string_append_c (gs, c);
5435 } else if (c > 0x7f) {
5436 /* multi-byte utf8 */
5437 g_string_append_printf (gs, "_0x%x", c);
5440 while (c >> 6 == 0x2) {
5441 g_string_append_printf (gs, "%x", c);
5445 g_string_append_printf (gs, "_");
5448 g_string_append_c (gs, '_');
5452 res = mono_mempool_strdup (acfg->mempool, gs->str);
5453 g_string_free (gs, TRUE);
5458 get_debug_sym (MonoMethod *method, const char *prefix, GHashTable *cache)
5460 char *name1, *name2, *cached;
5461 int i, j, len, count;
5462 MonoMethod *cached_method;
5464 name1 = mono_method_full_name (method, TRUE);
5467 // This is so that we don't accidentally create a local symbol (which starts with 'L')
5468 if ((!prefix || !*prefix) && name1 [0] == 'L')
5472 #if defined(TARGET_WIN32) && defined(TARGET_X86)
5473 char adjustedPrefix [MAX_SYMBOL_SIZE];
5474 prefix = mangle_symbol (prefix, adjustedPrefix, G_N_ELEMENTS (adjustedPrefix));
5477 len = strlen (name1);
5478 name2 = (char *)malloc (strlen (prefix) + len + 16);
5479 memcpy (name2, prefix, strlen (prefix));
5480 j = strlen (prefix);
5481 for (i = 0; i < len; ++i) {
5482 if (i == 0 && name1 [0] >= '0' && name1 [0] <= '9') {
5484 } else if (isalnum (name1 [i])) {
5485 name2 [j ++] = name1 [i];
5486 } else if (name1 [i] == ' ' && name1 [i + 1] == '(' && name1 [i + 2] == ')') {
5488 } else if (name1 [i] == ',' && name1 [i + 1] == ' ') {
5491 } else if (name1 [i] == '(' || name1 [i] == ')' || name1 [i] == '>') {
5501 cached_method = (MonoMethod *)g_hash_table_lookup (cache, name2);
5502 if (!(cached_method && cached_method != method))
5504 sprintf (name2 + j, "_%d", count);
5508 cached = g_strdup (name2);
5509 g_hash_table_insert (cache, cached, method);
5515 emit_method_code (MonoAotCompile *acfg, MonoCompile *cfg)
5520 char *debug_sym = NULL;
5521 char *symbol = NULL;
5522 int func_alignment = AOT_FUNC_ALIGNMENT;
5525 method = cfg->orig_method;
5526 code = cfg->native_code;
5528 method_index = get_method_index (acfg, method);
5529 symbol = g_strdup_printf ("%sme_%x", acfg->temp_prefix, method_index);
5531 /* Make the labels local */
5532 emit_section_change (acfg, ".text", 0);
5533 emit_alignment_code (acfg, func_alignment);
5535 if (acfg->global_symbols && acfg->need_no_dead_strip)
5536 fprintf (acfg->fp, " .no_dead_strip %s\n", cfg->asm_symbol);
5538 emit_label (acfg, cfg->asm_symbol);
5540 if (acfg->aot_opts.write_symbols && !acfg->global_symbols && !acfg->llvm) {
5542 * Write a C style symbol for every method, this has two uses:
5543 * - it works on platforms where the dwarf debugging info is not
5545 * - it allows the setting of breakpoints of aot-ed methods.
5547 debug_sym = get_debug_sym (method, "", acfg->method_label_hash);
5548 cfg->asm_debug_symbol = g_strdup (debug_sym);
5550 if (acfg->need_no_dead_strip)
5551 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
5552 emit_local_symbol (acfg, debug_sym, symbol, TRUE);
5553 emit_label (acfg, debug_sym);
5556 export_name = (char *)g_hash_table_lookup (acfg->export_names, method);
5558 /* Emit a global symbol for the method */
5559 emit_global_inner (acfg, export_name, TRUE);
5560 emit_label (acfg, export_name);
5563 if (cfg->verbose_level > 0)
5564 g_print ("Method %s emitted as %s\n", mono_method_get_full_name (method), cfg->asm_symbol);
5566 acfg->stats.code_size += cfg->code_len;
5568 acfg->cfgs [method_index]->got_offset = acfg->got_offset;
5570 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 ()));
5574 if (acfg->aot_opts.write_symbols) {
5576 emit_symbol_size (acfg, debug_sym, ".");
5578 emit_symbol_size (acfg, cfg->asm_symbol, ".");
5582 emit_label (acfg, symbol);
5589 * Encode PATCH_INFO into its disk representation.
5592 encode_patch (MonoAotCompile *acfg, MonoJumpInfo *patch_info, guint8 *buf, guint8 **endbuf)
5596 switch (patch_info->type) {
5597 case MONO_PATCH_INFO_NONE:
5599 case MONO_PATCH_INFO_IMAGE:
5600 encode_value (get_image_index (acfg, patch_info->data.image), p, &p);
5602 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
5603 case MONO_PATCH_INFO_JIT_TLS_ID:
5604 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
5605 case MONO_PATCH_INFO_GC_NURSERY_START:
5606 case MONO_PATCH_INFO_GC_NURSERY_BITS:
5608 case MONO_PATCH_INFO_CASTCLASS_CACHE:
5609 encode_value (patch_info->data.index, p, &p);
5611 case MONO_PATCH_INFO_METHOD_REL:
5612 encode_value ((gint)patch_info->data.offset, p, &p);
5614 case MONO_PATCH_INFO_SWITCH: {
5615 gpointer *table = (gpointer *)patch_info->data.table->table;
5618 encode_value (patch_info->data.table->table_size, p, &p);
5619 for (k = 0; k < patch_info->data.table->table_size; k++)
5620 encode_value ((int)(gssize)table [k], p, &p);
5623 case MONO_PATCH_INFO_METHODCONST:
5624 case MONO_PATCH_INFO_METHOD:
5625 case MONO_PATCH_INFO_METHOD_JUMP:
5626 case MONO_PATCH_INFO_ICALL_ADDR:
5627 case MONO_PATCH_INFO_ICALL_ADDR_CALL:
5628 case MONO_PATCH_INFO_METHOD_RGCTX:
5629 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
5630 encode_method_ref (acfg, patch_info->data.method, p, &p);
5632 case MONO_PATCH_INFO_AOT_JIT_INFO:
5633 encode_value (patch_info->data.index, p, &p);
5635 case MONO_PATCH_INFO_INTERNAL_METHOD:
5636 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
5637 guint32 len = strlen (patch_info->data.name);
5639 encode_value (len, p, &p);
5641 memcpy (p, patch_info->data.name, len);
5646 case MONO_PATCH_INFO_LDSTR: {
5647 guint32 image_index = get_image_index (acfg, patch_info->data.token->image);
5648 guint32 token = patch_info->data.token->token;
5649 g_assert (mono_metadata_token_code (token) == MONO_TOKEN_STRING);
5650 encode_value (image_index, p, &p);
5651 encode_value (patch_info->data.token->token - MONO_TOKEN_STRING, p, &p);
5654 case MONO_PATCH_INFO_RVA:
5655 case MONO_PATCH_INFO_DECLSEC:
5656 case MONO_PATCH_INFO_LDTOKEN:
5657 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
5658 encode_value (get_image_index (acfg, patch_info->data.token->image), p, &p);
5659 encode_value (patch_info->data.token->token, p, &p);
5660 encode_value (patch_info->data.token->has_context, p, &p);
5661 if (patch_info->data.token->has_context)
5662 encode_generic_context (acfg, &patch_info->data.token->context, p, &p);
5664 case MONO_PATCH_INFO_EXC_NAME: {
5665 MonoClass *ex_class;
5668 mono_class_load_from_name (mono_defaults.exception_class->image,
5669 "System", (const char *)patch_info->data.target);
5670 encode_klass_ref (acfg, ex_class, p, &p);
5673 case MONO_PATCH_INFO_R4:
5674 encode_value (*((guint32 *)patch_info->data.target), p, &p);
5676 case MONO_PATCH_INFO_R8:
5677 encode_value (((guint32 *)patch_info->data.target) [MINI_LS_WORD_IDX], p, &p);
5678 encode_value (((guint32 *)patch_info->data.target) [MINI_MS_WORD_IDX], p, &p);
5680 case MONO_PATCH_INFO_VTABLE:
5681 case MONO_PATCH_INFO_CLASS:
5682 case MONO_PATCH_INFO_IID:
5683 case MONO_PATCH_INFO_ADJUSTED_IID:
5684 encode_klass_ref (acfg, patch_info->data.klass, p, &p);
5686 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
5687 encode_klass_ref (acfg, patch_info->data.del_tramp->klass, p, &p);
5688 if (patch_info->data.del_tramp->method) {
5689 encode_value (1, p, &p);
5690 encode_method_ref (acfg, patch_info->data.del_tramp->method, p, &p);
5692 encode_value (0, p, &p);
5694 encode_value (patch_info->data.del_tramp->is_virtual, p, &p);
5696 case MONO_PATCH_INFO_FIELD:
5697 case MONO_PATCH_INFO_SFLDA:
5698 encode_field_info (acfg, patch_info->data.field, p, &p);
5700 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
5702 case MONO_PATCH_INFO_RGCTX_FETCH:
5703 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
5704 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
5709 * entry->method has a lenghtly encoding and multiple rgctx_fetch entries
5710 * reference the same method, so encode the method only once.
5712 offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_blob_hash, entry->method));
5714 buf2 = (guint8 *)g_malloc (1024);
5717 encode_method_ref (acfg, entry->method, p2, &p2);
5718 g_assert (p2 - buf2 < 1024);
5720 offset = add_to_blob (acfg, buf2, p2 - buf2);
5723 g_hash_table_insert (acfg->method_blob_hash, entry->method, GUINT_TO_POINTER (offset + 1));
5728 encode_value (offset, p, &p);
5729 g_assert ((int)entry->info_type < 256);
5730 g_assert (entry->data->type < 256);
5731 encode_value ((entry->in_mrgctx ? 1 : 0) | (entry->info_type << 1) | (entry->data->type << 9), p, &p);
5732 encode_patch (acfg, entry->data, p, &p);
5735 case MONO_PATCH_INFO_SEQ_POINT_INFO:
5736 case MONO_PATCH_INFO_AOT_MODULE:
5738 case MONO_PATCH_INFO_SIGNATURE:
5739 case MONO_PATCH_INFO_GSHAREDVT_IN_WRAPPER:
5740 encode_signature (acfg, (MonoMethodSignature*)patch_info->data.target, p, &p);
5742 case MONO_PATCH_INFO_TLS_OFFSET:
5743 encode_value (GPOINTER_TO_INT (patch_info->data.target), p, &p);
5745 case MONO_PATCH_INFO_GSHAREDVT_CALL:
5746 encode_signature (acfg, (MonoMethodSignature*)patch_info->data.gsharedvt->sig, p, &p);
5747 encode_method_ref (acfg, patch_info->data.gsharedvt->method, p, &p);
5749 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
5750 MonoGSharedVtMethodInfo *info = patch_info->data.gsharedvt_method;
5753 encode_method_ref (acfg, info->method, p, &p);
5754 encode_value (info->num_entries, p, &p);
5755 for (i = 0; i < info->num_entries; ++i) {
5756 MonoRuntimeGenericContextInfoTemplate *template_ = &info->entries [i];
5758 encode_value (template_->info_type, p, &p);
5759 switch (mini_rgctx_info_type_to_patch_info_type (template_->info_type)) {
5760 case MONO_PATCH_INFO_CLASS:
5761 encode_klass_ref (acfg, mono_class_from_mono_type ((MonoType *)template_->data), p, &p);
5763 case MONO_PATCH_INFO_FIELD:
5764 encode_field_info (acfg, (MonoClassField *)template_->data, p, &p);
5767 g_assert_not_reached ();
5773 case MONO_PATCH_INFO_LDSTR_LIT: {
5774 const char *s = (const char *)patch_info->data.target;
5775 int len = strlen (s);
5777 encode_value (len, p, &p);
5778 memcpy (p, s, len + 1);
5782 case MONO_PATCH_INFO_VIRT_METHOD:
5783 encode_klass_ref (acfg, patch_info->data.virt_method->klass, p, &p);
5784 encode_method_ref (acfg, patch_info->data.virt_method->method, p, &p);
5786 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
5789 g_warning ("unable to handle jump info %d", patch_info->type);
5790 g_assert_not_reached ();
5797 encode_patch_list (MonoAotCompile *acfg, GPtrArray *patches, int n_patches, gboolean llvm, int first_got_offset, guint8 *buf, guint8 **endbuf)
5800 guint32 pindex, offset;
5801 MonoJumpInfo *patch_info;
5803 encode_value (n_patches, p, &p);
5805 for (pindex = 0; pindex < patches->len; ++pindex) {
5806 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5808 if (patch_info->type == MONO_PATCH_INFO_NONE || patch_info->type == MONO_PATCH_INFO_BB)
5812 offset = get_got_offset (acfg, llvm, patch_info);
5813 encode_value (offset, p, &p);
5820 emit_method_info (MonoAotCompile *acfg, MonoCompile *cfg)
5823 int pindex, buf_size, n_patches;
5825 MonoJumpInfo *patch_info;
5826 guint32 method_index;
5828 guint32 first_got_offset;
5830 method = cfg->orig_method;
5832 method_index = get_method_index (acfg, method);
5834 /* Sort relocations */
5835 patches = g_ptr_array_new ();
5836 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next)
5837 g_ptr_array_add (patches, patch_info);
5838 g_ptr_array_sort (patches, compare_patches);
5840 first_got_offset = acfg->cfgs [method_index]->got_offset;
5842 /**********************/
5843 /* Encode method info */
5844 /**********************/
5846 buf_size = (patches->len < 1000) ? 40960 : 40960 + (patches->len * 64);
5847 p = buf = (guint8 *)g_malloc (buf_size);
5849 if (mono_class_get_cctor (method->klass)) {
5850 encode_value (1, p, &p);
5851 encode_klass_ref (acfg, method->klass, p, &p);
5853 /* Not needed when loading the method */
5854 encode_value (0, p, &p);
5857 g_assert (!(cfg->opt & MONO_OPT_SHARED));
5860 for (pindex = 0; pindex < patches->len; ++pindex) {
5861 patch_info = (MonoJumpInfo *)g_ptr_array_index (patches, pindex);
5863 if ((patch_info->type == MONO_PATCH_INFO_GOT_OFFSET) ||
5864 (patch_info->type == MONO_PATCH_INFO_NONE)) {
5865 patch_info->type = MONO_PATCH_INFO_NONE;
5870 if ((patch_info->type == MONO_PATCH_INFO_IMAGE) && (patch_info->data.image == acfg->image)) {
5871 /* Stored in a GOT slot initialized at module load time */
5872 patch_info->type = MONO_PATCH_INFO_NONE;
5876 if (patch_info->type == MONO_PATCH_INFO_GC_CARD_TABLE_ADDR ||
5877 patch_info->type == MONO_PATCH_INFO_GC_NURSERY_START ||
5878 patch_info->type == MONO_PATCH_INFO_GC_NURSERY_BITS ||
5879 patch_info->type == MONO_PATCH_INFO_AOT_MODULE) {
5880 /* Stored in a GOT slot initialized at module load time */
5881 patch_info->type = MONO_PATCH_INFO_NONE;
5885 if (is_plt_patch (patch_info) && !(cfg->compile_llvm && acfg->aot_opts.llvm_only)) {
5886 /* Calls are made through the PLT */
5887 patch_info->type = MONO_PATCH_INFO_NONE;
5895 g_assert (cfg->has_got_slots);
5897 encode_patch_list (acfg, patches, n_patches, cfg->compile_llvm, first_got_offset, p, &p);
5899 g_ptr_array_free (patches, TRUE);
5901 acfg->stats.info_size += p - buf;
5903 g_assert (p - buf < buf_size);
5905 cfg->method_info_offset = add_to_blob (acfg, buf, p - buf);
5910 get_unwind_info_offset (MonoAotCompile *acfg, guint8 *encoded, guint32 encoded_len)
5912 guint32 cache_index;
5915 /* Reuse the unwind module to canonize and store unwind info entries */
5916 cache_index = mono_cache_unwind_info (encoded, encoded_len);
5918 /* Use +/- 1 to distinguish 0s from missing entries */
5919 offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->unwind_info_offsets, GUINT_TO_POINTER (cache_index + 1)));
5927 * It would be easier to use assembler symbols, but the caller needs an
5930 offset = acfg->unwind_info_offset;
5931 g_hash_table_insert (acfg->unwind_info_offsets, GUINT_TO_POINTER (cache_index + 1), GUINT_TO_POINTER (offset + 1));
5932 g_ptr_array_add (acfg->unwind_ops, GUINT_TO_POINTER (cache_index));
5935 encode_value (encoded_len, p, &p);
5937 acfg->unwind_info_offset += encoded_len + (p - buf);
5943 emit_exception_debug_info (MonoAotCompile *acfg, MonoCompile *cfg, gboolean store_seq_points)
5946 guint32 debug_info_size, seq_points_size;
5948 MonoMethodHeader *header;
5949 guint8 *p, *buf, *debug_info;
5950 MonoJitInfo *jinfo = cfg->jit_info;
5952 gboolean use_unwind_ops = FALSE;
5953 MonoSeqPointInfo *seq_points;
5955 code = cfg->native_code;
5956 header = cfg->header;
5958 if (!acfg->aot_opts.nodebug) {
5959 mono_debug_serialize_debug_info (cfg, &debug_info, &debug_info_size);
5962 debug_info_size = 0;
5965 seq_points = cfg->seq_point_info;
5966 seq_points_size = (store_seq_points)? mono_seq_point_info_get_write_size (seq_points) : 0;
5968 buf_size = header->num_clauses * 256 + debug_info_size + 2048 + seq_points_size + cfg->gc_map_size;
5970 p = buf = (guint8 *)g_malloc (buf_size);
5972 use_unwind_ops = cfg->unwind_ops != NULL;
5974 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);
5976 encode_value (flags, p, &p);
5978 if (use_unwind_ops) {
5979 guint32 encoded_len;
5981 guint32 unwind_desc;
5983 encoded = mono_unwind_ops_encode (cfg->unwind_ops, &encoded_len);
5985 unwind_desc = get_unwind_info_offset (acfg, encoded, encoded_len);
5986 encode_value (unwind_desc, p, &p);
5990 encode_value (jinfo->unwind_info, p, &p);
5993 /*Encode the number of holes before the number of clauses to make decoding easier*/
5994 if (jinfo->has_try_block_holes) {
5995 MonoTryBlockHoleTableJitInfo *table = mono_jit_info_get_try_block_hole_table_info (jinfo);
5996 encode_value (table->num_holes, p, &p);
5999 if (jinfo->has_arch_eh_info) {
6001 * In AOT mode, the code length is calculated from the address of the previous method,
6002 * which could include alignment padding, so calculating the start of the epilog as
6003 * code_len - epilog_size is correct any more. Save the real code len as a workaround.
6005 encode_value (jinfo->code_size, p, &p);
6008 /* Exception table */
6009 if (cfg->compile_llvm) {
6011 * When using LLVM, we can't emit some data, like pc offsets, this reg/offset etc.,
6012 * since the information is only available to llc. Instead, we let llc save the data
6013 * into the LSDA, and read it from there at runtime.
6015 /* The assembly might be CIL stripped so emit the data ourselves */
6016 if (header->num_clauses)
6017 encode_value (header->num_clauses, p, &p);
6019 for (k = 0; k < header->num_clauses; ++k) {
6020 MonoExceptionClause *clause;
6022 clause = &header->clauses [k];
6024 encode_value (clause->flags, p, &p);
6025 if (clause->data.catch_class) {
6026 encode_value (1, p, &p);
6027 encode_klass_ref (acfg, clause->data.catch_class, p, &p);
6029 encode_value (0, p, &p);
6032 /* Emit the IL ranges too, since they might not be available at runtime */
6033 encode_value (clause->try_offset, p, &p);
6034 encode_value (clause->try_len, p, &p);
6035 encode_value (clause->handler_offset, p, &p);
6036 encode_value (clause->handler_len, p, &p);
6038 /* Emit a list of nesting clauses */
6039 for (i = 0; i < header->num_clauses; ++i) {
6041 MonoExceptionClause *clause1 = &header->clauses [cindex1];
6043 MonoExceptionClause *clause2 = &header->clauses [cindex2];
6045 if (cindex1 != cindex2 && clause1->try_offset >= clause2->try_offset && clause1->handler_offset <= clause2->handler_offset)
6046 encode_value (i, p, &p);
6048 encode_value (-1, p, &p);
6051 if (jinfo->num_clauses)
6052 encode_value (jinfo->num_clauses, p, &p);
6054 for (k = 0; k < jinfo->num_clauses; ++k) {
6055 MonoJitExceptionInfo *ei = &jinfo->clauses [k];
6057 encode_value (ei->flags, p, &p);
6058 #ifdef MONO_CONTEXT_SET_LLVM_EXC_REG
6059 /* Not used for catch clauses */
6060 if (ei->flags != MONO_EXCEPTION_CLAUSE_NONE)
6061 encode_value (ei->exvar_offset, p, &p);
6063 encode_value (ei->exvar_offset, p, &p);
6066 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER || ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
6067 encode_value ((gint)((guint8*)ei->data.filter - code), p, &p);
6069 if (ei->data.catch_class) {
6073 buf2 = (guint8 *)g_malloc (4096);
6075 encode_klass_ref (acfg, ei->data.catch_class, p2, &p2);
6077 g_assert (len < 4096);
6078 encode_value (len, p, &p);
6079 memcpy (p, buf2, len);
6083 encode_value (0, p, &p);
6087 encode_value ((gint)((guint8*)ei->try_start - code), p, &p);
6088 encode_value ((gint)((guint8*)ei->try_end - code), p, &p);
6089 encode_value ((gint)((guint8*)ei->handler_start - code), p, &p);
6093 if (jinfo->has_try_block_holes) {
6094 MonoTryBlockHoleTableJitInfo *table = mono_jit_info_get_try_block_hole_table_info (jinfo);
6095 for (i = 0; i < table->num_holes; ++i) {
6096 MonoTryBlockHoleJitInfo *hole = &table->holes [i];
6097 encode_value (hole->clause, p, &p);
6098 encode_value (hole->length, p, &p);
6099 encode_value (hole->offset, p, &p);
6103 if (jinfo->has_arch_eh_info) {
6104 MonoArchEHJitInfo *eh_info;
6106 eh_info = mono_jit_info_get_arch_eh_info (jinfo);
6107 encode_value (eh_info->stack_size, p, &p);
6108 encode_value (eh_info->epilog_size, p, &p);
6111 if (jinfo->has_generic_jit_info) {
6112 MonoGenericJitInfo *gi = mono_jit_info_get_generic_jit_info (jinfo);
6113 MonoGenericSharingContext* gsctx = gi->generic_sharing_context;
6117 encode_value (gi->nlocs, p, &p);
6119 for (i = 0; i < gi->nlocs; ++i) {
6120 MonoDwarfLocListEntry *entry = &gi->locations [i];
6122 encode_value (entry->is_reg ? 1 : 0, p, &p);
6123 encode_value (entry->reg, p, &p);
6125 encode_value (entry->offset, p, &p);
6127 g_assert (entry->from == 0);
6129 encode_value (entry->from, p, &p);
6130 encode_value (entry->to, p, &p);
6133 if (!cfg->compile_llvm) {
6134 encode_value (gi->has_this ? 1 : 0, p, &p);
6135 encode_value (gi->this_reg, p, &p);
6136 encode_value (gi->this_offset, p, &p);
6141 * Need to encode jinfo->method too, since it is not equal to 'method'
6142 * when using generic sharing.
6144 buf2 = (guint8 *)g_malloc (4096);
6146 encode_method_ref (acfg, jinfo->d.method, p2, &p2);
6148 g_assert (len < 4096);
6149 encode_value (len, p, &p);
6150 memcpy (p, buf2, len);
6154 if (gsctx && gsctx->is_gsharedvt) {
6155 encode_value (1, p, &p);
6157 encode_value (0, p, &p);
6161 if (seq_points_size)
6162 p += mono_seq_point_info_write (seq_points, p);
6164 g_assert (debug_info_size < buf_size);
6166 encode_value (debug_info_size, p, &p);
6167 if (debug_info_size) {
6168 memcpy (p, debug_info, debug_info_size);
6169 p += debug_info_size;
6170 g_free (debug_info);
6175 encode_value (cfg->gc_map_size, p, &p);
6176 /* The GC map requires 4 bytes of alignment */
6177 while ((gsize)p % 4)
6179 memcpy (p, cfg->gc_map, cfg->gc_map_size);
6180 p += cfg->gc_map_size;
6183 acfg->stats.ex_info_size += p - buf;
6185 g_assert (p - buf < buf_size);
6188 /* The GC Map requires 4 byte alignment */
6189 cfg->ex_info_offset = add_to_blob_aligned (acfg, buf, p - buf, cfg->gc_map ? 4 : 1);
6194 emit_klass_info (MonoAotCompile *acfg, guint32 token)
6197 MonoClass *klass = mono_class_get_checked (acfg->image, token, &error);
6199 int i, buf_size, res;
6200 gboolean no_special_static, cant_encode;
6201 gpointer iter = NULL;
6204 mono_error_cleanup (&error);
6208 p = buf = (guint8 *)g_malloc (buf_size);
6210 /* Mark as unusable */
6211 encode_value (-1, p, &p);
6213 res = add_to_blob (acfg, buf, p - buf);
6219 buf_size = 10240 + (klass->vtable_size * 16);
6220 p = buf = (guint8 *)g_malloc (buf_size);
6224 mono_class_init (klass);
6226 mono_class_get_nested_types (klass, &iter);
6227 g_assert (klass->nested_classes_inited);
6229 mono_class_setup_vtable (klass);
6232 * Emit all the information which is required for creating vtables so
6233 * the runtime does not need to create the MonoMethod structures which
6234 * take up a lot of space.
6237 no_special_static = !mono_class_has_special_static_fields (klass);
6239 /* Check whenever we have enough info to encode the vtable */
6240 cant_encode = FALSE;
6241 for (i = 0; i < klass->vtable_size; ++i) {
6242 MonoMethod *cm = klass->vtable [i];
6244 if (cm && mono_method_signature (cm)->is_inflated && !g_hash_table_lookup (acfg->token_info_hash, cm))
6248 mono_class_has_finalizer (klass);
6250 if (klass->generic_container || cant_encode) {
6251 encode_value (-1, p, &p);
6253 encode_value (klass->vtable_size, p, &p);
6254 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);
6255 if (klass->has_cctor)
6256 encode_method_ref (acfg, mono_class_get_cctor (klass), p, &p);
6257 if (klass->has_finalize)
6258 encode_method_ref (acfg, mono_class_get_finalizer (klass), p, &p);
6260 encode_value (klass->instance_size, p, &p);
6261 encode_value (mono_class_data_size (klass), p, &p);
6262 encode_value (klass->packing_size, p, &p);
6263 encode_value (klass->min_align, p, &p);
6265 for (i = 0; i < klass->vtable_size; ++i) {
6266 MonoMethod *cm = klass->vtable [i];
6269 encode_method_ref (acfg, cm, p, &p);
6271 encode_value (0, p, &p);
6275 acfg->stats.class_info_size += p - buf;
6277 g_assert (p - buf < buf_size);
6278 res = add_to_blob (acfg, buf, p - buf);
6285 get_plt_entry_debug_sym (MonoAotCompile *acfg, MonoJumpInfo *ji, GHashTable *cache)
6287 char *debug_sym = NULL;
6290 if (acfg->llvm && llvm_acfg->aot_opts.static_link) {
6291 /* Need to add a prefix to create unique symbols */
6292 prefix = g_strdup_printf ("plt_%s_", acfg->assembly_name_sym);
6294 #if defined(TARGET_WIN32) && defined(TARGET_X86)
6295 prefix = mangle_symbol_alloc ("plt_");
6297 prefix = g_strdup ("plt_");
6302 case MONO_PATCH_INFO_METHOD:
6303 debug_sym = get_debug_sym (ji->data.method, prefix, cache);
6305 case MONO_PATCH_INFO_INTERNAL_METHOD:
6306 debug_sym = g_strdup_printf ("%s_jit_icall_%s", prefix, ji->data.name);
6308 case MONO_PATCH_INFO_RGCTX_FETCH:
6309 debug_sym = g_strdup_printf ("%s_rgctx_fetch_%d", prefix, acfg->label_generator ++);
6311 case MONO_PATCH_INFO_ICALL_ADDR:
6312 case MONO_PATCH_INFO_ICALL_ADDR_CALL: {
6313 char *s = get_debug_sym (ji->data.method, "", cache);
6315 debug_sym = g_strdup_printf ("%s_icall_native_%s", prefix, s);
6319 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
6320 debug_sym = g_strdup_printf ("%s_jit_icall_native_%s", prefix, ji->data.name);
6328 return sanitize_symbol (acfg, debug_sym);
6332 * Calls made from AOTed code are routed through a table of jumps similar to the
6333 * ELF PLT (Program Linkage Table). Initially the PLT entries jump to code which transfers
6334 * control to the AOT runtime through a trampoline.
6337 emit_plt (MonoAotCompile *acfg)
6341 if (acfg->aot_opts.llvm_only) {
6342 g_assert (acfg->plt_offset == 1);
6348 emit_section_change (acfg, ".text", 0);
6349 emit_alignment_code (acfg, 16);
6350 emit_info_symbol (acfg, "plt");
6351 emit_label (acfg, acfg->plt_symbol);
6353 for (i = 0; i < acfg->plt_offset; ++i) {
6354 char *debug_sym = NULL;
6355 MonoPltEntry *plt_entry = NULL;
6359 * The first plt entry is unused.
6363 plt_entry = (MonoPltEntry *)g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
6365 debug_sym = plt_entry->debug_sym;
6367 if (acfg->thumb_mixed && !plt_entry->jit_used)
6368 /* Emit only a thumb version */
6371 /* Skip plt entries not actually called */
6372 if (!plt_entry->jit_used && !plt_entry->llvm_used)
6375 if (acfg->llvm && !acfg->thumb_mixed) {
6376 emit_label (acfg, plt_entry->llvm_symbol);
6378 emit_global_inner (acfg, plt_entry->llvm_symbol, TRUE);
6379 #if defined(TARGET_MACH)
6380 fprintf (acfg->fp, ".private_extern %s\n", plt_entry->llvm_symbol);
6386 if (acfg->need_no_dead_strip) {
6387 emit_unset_mode (acfg);
6388 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
6390 emit_local_symbol (acfg, debug_sym, NULL, TRUE);
6391 emit_label (acfg, debug_sym);
6394 emit_label (acfg, plt_entry->symbol);
6396 arch_emit_plt_entry (acfg, acfg->got_symbol, (acfg->plt_got_offset_base + i) * sizeof (gpointer), acfg->plt_got_info_offsets [i]);
6399 emit_symbol_size (acfg, debug_sym, ".");
6402 if (acfg->thumb_mixed) {
6403 /* Make sure the ARM symbols don't alias the thumb ones */
6404 emit_zero_bytes (acfg, 16);
6407 * Emit a separate set of PLT entries using thumb2 which is called by LLVM generated
6410 for (i = 0; i < acfg->plt_offset; ++i) {
6411 char *debug_sym = NULL;
6412 MonoPltEntry *plt_entry = NULL;
6417 plt_entry = (MonoPltEntry *)g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
6419 /* Skip plt entries not actually called by LLVM code */
6420 if (!plt_entry->llvm_used)
6423 if (acfg->aot_opts.write_symbols) {
6424 if (plt_entry->debug_sym)
6425 debug_sym = g_strdup_printf ("%s_thumb", plt_entry->debug_sym);
6429 #if defined(TARGET_MACH)
6430 fprintf (acfg->fp, " .thumb_func %s\n", debug_sym);
6431 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
6433 emit_local_symbol (acfg, debug_sym, NULL, TRUE);
6434 emit_label (acfg, debug_sym);
6436 fprintf (acfg->fp, "\n.thumb_func\n");
6438 emit_label (acfg, plt_entry->llvm_symbol);
6441 emit_global_inner (acfg, plt_entry->llvm_symbol, TRUE);
6443 arch_emit_llvm_plt_entry (acfg, acfg->got_symbol, (acfg->plt_got_offset_base + i) * sizeof (gpointer), acfg->plt_got_info_offsets [i]);
6446 emit_symbol_size (acfg, debug_sym, ".");
6452 emit_symbol_size (acfg, acfg->plt_symbol, ".");
6454 emit_info_symbol (acfg, "plt_end");
6458 * emit_trampoline_full:
6460 * If EMIT_TINFO is TRUE, emit additional information which can be used to create a MonoJitInfo for this trampoline by
6461 * create_jit_info_for_trampoline ().
6463 static G_GNUC_UNUSED void
6464 emit_trampoline_full (MonoAotCompile *acfg, int got_offset, MonoTrampInfo *info, gboolean emit_tinfo)
6466 char start_symbol [MAX_SYMBOL_SIZE];
6467 char end_symbol [MAX_SYMBOL_SIZE];
6468 char symbol [MAX_SYMBOL_SIZE];
6469 guint32 buf_size, info_offset;
6470 MonoJumpInfo *patch_info;
6483 code_size = info->code_size;
6485 unwind_ops = info->unwind_ops;
6489 sprintf (start_symbol, "%s%s", acfg->user_symbol_prefix, name);
6491 emit_section_change (acfg, ".text", 0);
6492 emit_global (acfg, start_symbol, TRUE);
6493 emit_alignment_code (acfg, AOT_FUNC_ALIGNMENT);
6494 emit_label (acfg, start_symbol);
6496 sprintf (symbol, "%snamed_%s", acfg->temp_prefix, name);
6497 emit_label (acfg, symbol);
6500 * The code should access everything through the GOT, so we pass
6503 emit_and_reloc_code (acfg, NULL, code, code_size, ji, TRUE, NULL);
6505 emit_symbol_size (acfg, start_symbol, ".");
6508 sprintf (end_symbol, "%snamede_%s", acfg->temp_prefix, name);
6509 emit_label (acfg, end_symbol);
6514 /* Sort relocations */
6515 patches = g_ptr_array_new ();
6516 for (patch_info = ji; patch_info; patch_info = patch_info->next)
6517 if (patch_info->type != MONO_PATCH_INFO_NONE)
6518 g_ptr_array_add (patches, patch_info);
6519 g_ptr_array_sort (patches, compare_patches);
6521 buf_size = patches->len * 128 + 128;
6522 buf = (guint8 *)g_malloc (buf_size);
6525 encode_patch_list (acfg, patches, patches->len, FALSE, got_offset, p, &p);
6526 g_assert (p - buf < buf_size);
6527 g_ptr_array_free (patches, TRUE);
6529 sprintf (symbol, "%s%s_p", acfg->user_symbol_prefix, name);
6531 info_offset = add_to_blob (acfg, buf, p - buf);
6533 emit_section_change (acfg, RODATA_SECT, 0);
6534 emit_global (acfg, symbol, FALSE);
6535 emit_label (acfg, symbol);
6537 emit_int32 (acfg, info_offset);
6541 guint32 encoded_len;
6545 * Emit additional information which can be used to reconstruct a partial MonoTrampInfo.
6547 encoded = mono_unwind_ops_encode (info->unwind_ops, &encoded_len);
6548 uw_offset = get_unwind_info_offset (acfg, encoded, encoded_len);
6551 emit_symbol_diff (acfg, end_symbol, start_symbol, 0);
6552 emit_int32 (acfg, uw_offset);
6555 /* Emit debug info */
6557 char symbol2 [MAX_SYMBOL_SIZE];
6559 sprintf (symbol, "%s", name);
6560 sprintf (symbol2, "%snamed_%s", acfg->temp_prefix, name);
6563 mono_dwarf_writer_emit_trampoline (acfg->dwarf, symbol, symbol2, NULL, NULL, code_size, unwind_ops);
6569 static G_GNUC_UNUSED void
6570 emit_trampoline (MonoAotCompile *acfg, int got_offset, MonoTrampInfo *info)
6572 emit_trampoline_full (acfg, got_offset, info, TRUE);
6576 emit_trampolines (MonoAotCompile *acfg)
6578 char symbol [MAX_SYMBOL_SIZE];
6579 char end_symbol [MAX_SYMBOL_SIZE];
6580 int i, tramp_got_offset;
6582 #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
6586 if (!mono_aot_mode_is_full (&acfg->aot_opts) || acfg->aot_opts.llvm_only)
6589 g_assert (acfg->image->assembly);
6591 /* Currently, we emit most trampolines into the mscorlib AOT image. */
6592 if (strcmp (acfg->image->assembly->aname.name, "mscorlib") == 0) {
6593 #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
6594 MonoTrampInfo *info;
6597 * Emit the generic trampolines.
6599 * We could save some code by treating the generic trampolines as a wrapper
6600 * method, but that approach has its own complexities, so we choose the simpler
6603 for (tramp_type = 0; tramp_type < MONO_TRAMPOLINE_NUM; ++tramp_type) {
6604 /* we overload the boolean here to indicate the slightly different trampoline needed, see mono_arch_create_generic_trampoline() */
6605 #ifdef DISABLE_REMOTING
6606 if (tramp_type == MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING)
6609 #ifndef MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD
6610 if (tramp_type == MONO_TRAMPOLINE_HANDLER_BLOCK_GUARD)
6613 mono_arch_create_generic_trampoline ((MonoTrampolineType)tramp_type, &info, acfg->aot_opts.use_trampolines_page? 2: TRUE);
6614 emit_trampoline (acfg, acfg->got_offset, info);
6617 /* Emit the exception related code pieces */
6618 mono_arch_get_restore_context (&info, TRUE);
6619 emit_trampoline (acfg, acfg->got_offset, info);
6620 mono_arch_get_call_filter (&info, TRUE);
6621 emit_trampoline (acfg, acfg->got_offset, info);
6622 mono_arch_get_throw_exception (&info, TRUE);
6623 emit_trampoline (acfg, acfg->got_offset, info);
6624 mono_arch_get_rethrow_exception (&info, TRUE);
6625 emit_trampoline (acfg, acfg->got_offset, info);
6626 mono_arch_get_throw_corlib_exception (&info, TRUE);
6627 emit_trampoline (acfg, acfg->got_offset, info);
6629 #ifdef MONO_ARCH_HAVE_SDB_TRAMPOLINES
6630 mono_arch_create_sdb_trampoline (TRUE, &info, TRUE);
6631 emit_trampoline (acfg, acfg->got_offset, info);
6632 mono_arch_create_sdb_trampoline (FALSE, &info, TRUE);
6633 emit_trampoline (acfg, acfg->got_offset, info);
6636 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
6637 mono_arch_get_gsharedvt_trampoline (&info, TRUE);
6639 emit_trampoline_full (acfg, acfg->got_offset, info, TRUE);
6641 /* Create a separate out trampoline for more information in stack traces */
6642 info->name = g_strdup ("gsharedvt_out_trampoline");
6643 emit_trampoline_full (acfg, acfg->got_offset, info, TRUE);
6647 #if defined(MONO_ARCH_HAVE_GET_TRAMPOLINES)
6649 GSList *l = mono_arch_get_trampolines (TRUE);
6652 MonoTrampInfo *info = (MonoTrampInfo *)l->data;
6654 emit_trampoline (acfg, acfg->got_offset, info);
6660 for (i = 0; i < acfg->aot_opts.nrgctx_fetch_trampolines; ++i) {
6663 offset = MONO_RGCTX_SLOT_MAKE_RGCTX (i);
6664 mono_arch_create_rgctx_lazy_fetch_trampoline (offset, &info, TRUE);
6665 emit_trampoline (acfg, acfg->got_offset, info);
6668 offset = MONO_RGCTX_SLOT_MAKE_MRGCTX (i);
6669 mono_arch_create_rgctx_lazy_fetch_trampoline (offset, &info, TRUE);
6670 emit_trampoline (acfg, acfg->got_offset, info);
6674 #ifdef MONO_ARCH_HAVE_GENERAL_RGCTX_LAZY_FETCH_TRAMPOLINE
6675 mono_arch_create_general_rgctx_lazy_fetch_trampoline (&info, TRUE);
6676 emit_trampoline (acfg, acfg->got_offset, info);
6682 /* delegate_invoke_impl trampolines */
6683 l = mono_arch_get_delegate_invoke_impls ();
6685 MonoTrampInfo *info = (MonoTrampInfo *)l->data;
6687 emit_trampoline (acfg, acfg->got_offset, info);
6692 #endif /* #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES */
6694 /* Emit trampolines which are numerous */
6697 * These include the following:
6698 * - specific trampolines
6699 * - static rgctx invoke trampolines
6701 * These trampolines have the same code, they are parameterized by GOT
6703 * They are defined in this file, in the arch_... routines instead of
6704 * in tramp-<ARCH>.c, since it is easier to do it this way.
6708 * When running in aot-only mode, we can't create specific trampolines at
6709 * runtime, so we create a few, and save them in the AOT file.
6710 * Normal trampolines embed their argument as a literal inside the
6711 * trampoline code, we can't do that here, so instead we embed an offset
6712 * which needs to be added to the trampoline address to get the address of
6713 * the GOT slot which contains the argument value.
6714 * The generated trampolines jump to the generic trampolines using another
6715 * GOT slot, which will be setup by the AOT loader to point to the
6716 * generic trampoline code of the given type.
6720 * FIXME: Maybe we should use more specific trampolines (i.e. one class init for
6724 emit_section_change (acfg, ".text", 0);
6726 tramp_got_offset = acfg->got_offset;
6728 for (ntype = 0; ntype < MONO_AOT_TRAMP_NUM; ++ntype) {
6730 case MONO_AOT_TRAMP_SPECIFIC:
6731 sprintf (symbol, "specific_trampolines");
6733 case MONO_AOT_TRAMP_STATIC_RGCTX:
6734 sprintf (symbol, "static_rgctx_trampolines");
6736 case MONO_AOT_TRAMP_IMT_THUNK:
6737 sprintf (symbol, "imt_thunks");
6739 case MONO_AOT_TRAMP_GSHAREDVT_ARG:
6740 sprintf (symbol, "gsharedvt_arg_trampolines");
6743 g_assert_not_reached ();
6746 sprintf (end_symbol, "%s_e", symbol);
6748 if (acfg->aot_opts.write_symbols)
6749 emit_local_symbol (acfg, symbol, end_symbol, TRUE);
6751 emit_alignment_code (acfg, AOT_FUNC_ALIGNMENT);
6752 emit_info_symbol (acfg, symbol);
6754 acfg->trampoline_got_offset_base [ntype] = tramp_got_offset;
6756 for (i = 0; i < acfg->num_trampolines [ntype]; ++i) {
6760 case MONO_AOT_TRAMP_SPECIFIC:
6761 arch_emit_specific_trampoline (acfg, tramp_got_offset, &tramp_size);
6762 tramp_got_offset += 2;
6764 case MONO_AOT_TRAMP_STATIC_RGCTX:
6765 arch_emit_static_rgctx_trampoline (acfg, tramp_got_offset, &tramp_size);
6766 tramp_got_offset += 2;
6768 case MONO_AOT_TRAMP_IMT_THUNK:
6769 arch_emit_imt_thunk (acfg, tramp_got_offset, &tramp_size);
6770 tramp_got_offset += 1;
6772 case MONO_AOT_TRAMP_GSHAREDVT_ARG:
6773 arch_emit_gsharedvt_arg_trampoline (acfg, tramp_got_offset, &tramp_size);
6774 tramp_got_offset += 2;
6777 g_assert_not_reached ();
6779 if (!acfg->trampoline_size [ntype]) {
6780 g_assert (tramp_size);
6781 acfg->trampoline_size [ntype] = tramp_size;
6785 emit_label (acfg, end_symbol);
6786 emit_int32 (acfg, 0);
6789 arch_emit_specific_trampoline_pages (acfg);
6791 /* Reserve some entries at the end of the GOT for our use */
6792 acfg->num_trampoline_got_entries = tramp_got_offset - acfg->got_offset;
6795 acfg->got_offset += acfg->num_trampoline_got_entries;
6799 str_begins_with (const char *str1, const char *str2)
6801 int len = strlen (str2);
6802 return strncmp (str1, str2, len) == 0;
6806 mono_aot_readonly_field_override (MonoClassField *field)
6809 for (rdv = readonly_values; rdv; rdv = rdv->next) {
6810 char *p = rdv->name;
6812 len = strlen (field->parent->name_space);
6813 if (strncmp (p, field->parent->name_space, len))
6818 len = strlen (field->parent->name);
6819 if (strncmp (p, field->parent->name, len))
6824 if (strcmp (p, field->name))
6826 switch (rdv->type) {
6828 return &rdv->value.i1;
6830 return &rdv->value.i2;
6832 return &rdv->value.i4;
6841 add_readonly_value (MonoAotOptions *opts, const char *val)
6846 /* the format of val is:
6847 * namespace.typename.fieldname=type/value
6848 * type can be i1 for uint8/int8/boolean, i2 for uint16/int16/char, i4 for uint32/int32
6850 fval = strrchr (val, '/');
6852 fprintf (stderr, "AOT : invalid format for readonly field '%s', missing /.\n", val);
6855 tval = strrchr (val, '=');
6857 fprintf (stderr, "AOT : invalid format for readonly field '%s', missing =.\n", val);
6860 rdv = g_new0 (ReadOnlyValue, 1);
6861 rdv->name = (char *)g_malloc0 (tval - val + 1);
6862 memcpy (rdv->name, val, tval - val);
6865 if (strncmp (tval, "i1", 2) == 0) {
6866 rdv->value.i1 = atoi (fval);
6867 rdv->type = MONO_TYPE_I1;
6868 } else if (strncmp (tval, "i2", 2) == 0) {
6869 rdv->value.i2 = atoi (fval);
6870 rdv->type = MONO_TYPE_I2;
6871 } else if (strncmp (tval, "i4", 2) == 0) {
6872 rdv->value.i4 = atoi (fval);
6873 rdv->type = MONO_TYPE_I4;
6875 fprintf (stderr, "AOT : unsupported type for readonly field '%s'.\n", tval);
6878 rdv->next = readonly_values;
6879 readonly_values = rdv;
6883 clean_path (gchar * path)
6888 if (g_str_has_suffix (path, G_DIR_SEPARATOR_S))
6891 gchar *clean = g_strconcat (path, G_DIR_SEPARATOR_S, NULL);
6898 wrap_path (gchar * path)
6904 // If the string contains no spaces, just return the original string.
6905 if (strstr (path, " ") == NULL)
6908 // If the string is already wrapped in quotes, return it.
6909 len = strlen (path);
6910 if (len >= 2 && path[0] == '\"' && path[len-1] == '\"')
6913 // If the string contains spaces, then wrap it in quotes.
6914 gchar *clean = g_strdup_printf ("\"%s\"", path);
6919 // Duplicate a char range and add it to a ptrarray, but only if it is nonempty
6921 ptr_array_add_range_if_nonempty(GPtrArray *args, gchar const *start, gchar const *end)
6923 ptrdiff_t len = end-start;
6925 g_ptr_array_add (args, g_strndup (start, len));
6929 mono_aot_split_options (const char *aot_options)
6931 enum MonoAotOptionState {
6932 MONO_AOT_OPTION_STATE_DEFAULT,
6933 MONO_AOT_OPTION_STATE_STRING,
6934 MONO_AOT_OPTION_STATE_ESCAPE,
6937 GPtrArray *args = g_ptr_array_new ();
6938 enum MonoAotOptionState state = MONO_AOT_OPTION_STATE_DEFAULT;
6939 gchar const *opt_start = aot_options;
6940 gboolean end_of_string = FALSE;
6943 g_return_val_if_fail (aot_options != NULL, NULL);
6945 while ((cur = *aot_options) != '\0') {
6946 if (state == MONO_AOT_OPTION_STATE_ESCAPE)
6951 // If we find a quote, then if we're in the default case then
6952 // it means we've found the start of a string, if not then it
6953 // means we've found the end of the string and should switch
6954 // back to the default case.
6956 case MONO_AOT_OPTION_STATE_DEFAULT:
6957 state = MONO_AOT_OPTION_STATE_STRING;
6959 case MONO_AOT_OPTION_STATE_STRING:
6960 state = MONO_AOT_OPTION_STATE_DEFAULT;
6962 case MONO_AOT_OPTION_STATE_ESCAPE:
6963 g_assert_not_reached ();
6968 // If we've found an escaping operator, then this means we
6969 // should not process the next character if inside a string.
6970 if (state == MONO_AOT_OPTION_STATE_STRING)
6971 state = MONO_AOT_OPTION_STATE_ESCAPE;
6974 // If we're in the default state then this means we've found
6975 // an option, store it for later processing.
6976 if (state == MONO_AOT_OPTION_STATE_DEFAULT)
6984 // If the next character is end of string, then process the last option.
6985 if (*(aot_options) == '\0') {
6986 end_of_string = TRUE;
6992 ptr_array_add_range_if_nonempty (args, opt_start, aot_options);
6993 opt_start = ++aot_options;
6996 goto restart; // Check for null and continue loop
7003 mono_aot_parse_options (const char *aot_options, MonoAotOptions *opts)
7007 args = mono_aot_split_options (aot_options ? aot_options : "");
7008 for (int i = 0; i < args->len; ++i) {
7009 const char *arg = (const char *)g_ptr_array_index (args, i);
7011 if (str_begins_with (arg, "outfile=")) {
7012 opts->outfile = g_strdup (arg + strlen ("outfile="));
7013 } else if (str_begins_with (arg, "llvm-outfile=")) {
7014 opts->llvm_outfile = g_strdup (arg + strlen ("llvm-outfile="));
7015 } else if (str_begins_with (arg, "temp-path=")) {
7016 opts->temp_path = clean_path (g_strdup (arg + strlen ("temp-path=")));
7017 } else if (str_begins_with (arg, "save-temps")) {
7018 opts->save_temps = TRUE;
7019 } else if (str_begins_with (arg, "keep-temps")) {
7020 opts->save_temps = TRUE;
7021 } else if (str_begins_with (arg, "write-symbols")) {
7022 opts->write_symbols = TRUE;
7023 } else if (str_begins_with (arg, "no-write-symbols")) {
7024 opts->write_symbols = FALSE;
7025 } else if (str_begins_with (arg, "metadata-only")) {
7026 opts->metadata_only = TRUE;
7027 } else if (str_begins_with (arg, "bind-to-runtime-version")) {
7028 opts->bind_to_runtime_version = TRUE;
7029 } else if (str_begins_with (arg, "full")) {
7030 opts->mode = MONO_AOT_MODE_FULL;
7031 } else if (str_begins_with (arg, "hybrid")) {
7032 opts->mode = MONO_AOT_MODE_HYBRID;
7033 } else if (str_begins_with (arg, "threads=")) {
7034 opts->nthreads = atoi (arg + strlen ("threads="));
7035 } else if (str_begins_with (arg, "static")) {
7036 opts->static_link = TRUE;
7037 opts->no_dlsym = TRUE;
7038 } else if (str_begins_with (arg, "asmonly")) {
7039 opts->asm_only = TRUE;
7040 } else if (str_begins_with (arg, "asmwriter")) {
7041 opts->asm_writer = TRUE;
7042 } else if (str_begins_with (arg, "nodebug")) {
7043 opts->nodebug = TRUE;
7044 } else if (str_begins_with (arg, "dwarfdebug")) {
7045 opts->dwarf_debug = TRUE;
7046 } else if (str_begins_with (arg, "nopagetrampolines")) {
7047 opts->use_trampolines_page = FALSE;
7048 } else if (str_begins_with (arg, "ntrampolines=")) {
7049 opts->ntrampolines = atoi (arg + strlen ("ntrampolines="));
7050 } else if (str_begins_with (arg, "nrgctx-trampolines=")) {
7051 opts->nrgctx_trampolines = atoi (arg + strlen ("nrgctx-trampolines="));
7052 } else if (str_begins_with (arg, "nrgctx-fetch-trampolines=")) {
7053 opts->nrgctx_fetch_trampolines = atoi (arg + strlen ("nrgctx-fetch-trampolines="));
7054 } else if (str_begins_with (arg, "nimt-trampolines=")) {
7055 opts->nimt_trampolines = atoi (arg + strlen ("nimt-trampolines="));
7056 } else if (str_begins_with (arg, "ngsharedvt-trampolines=")) {
7057 opts->ngsharedvt_arg_trampolines = atoi (arg + strlen ("ngsharedvt-trampolines="));
7058 } else if (str_begins_with (arg, "tool-prefix=")) {
7059 opts->tool_prefix = g_strdup (arg + strlen ("tool-prefix="));
7060 } else if (str_begins_with (arg, "ld-flags=")) {
7061 opts->ld_flags = g_strdup (arg + strlen ("ld-flags="));
7062 } else if (str_begins_with (arg, "soft-debug")) {
7063 opts->soft_debug = TRUE;
7064 } else if (str_begins_with (arg, "gen-seq-points-file=")) {
7065 debug_options.gen_seq_points_compact_data = TRUE;
7066 opts->gen_seq_points_file = TRUE;
7067 opts->gen_seq_points_file_path = g_strdup (arg + strlen ("gen-seq-points-file="));;
7068 } else if (str_begins_with (arg, "gen-seq-points-file")) {
7069 debug_options.gen_seq_points_compact_data = TRUE;
7070 opts->gen_seq_points_file = TRUE;
7071 } else if (str_begins_with (arg, "direct-pinvoke")) {
7072 opts->direct_pinvoke = TRUE;
7073 } else if (str_begins_with (arg, "direct-icalls")) {
7074 opts->direct_icalls = TRUE;
7075 } else if (str_begins_with (arg, "no-direct-calls")) {
7076 opts->no_direct_calls = TRUE;
7077 } else if (str_begins_with (arg, "print-skipped")) {
7078 opts->print_skipped_methods = TRUE;
7079 } else if (str_begins_with (arg, "stats")) {
7081 } else if (str_begins_with (arg, "no-instances")) {
7082 opts->no_instances = TRUE;
7083 } else if (str_begins_with (arg, "log-generics")) {
7084 opts->log_generics = TRUE;
7085 } else if (str_begins_with (arg, "log-instances=")) {
7086 opts->log_instances = TRUE;
7087 opts->instances_logfile_path = g_strdup (arg + strlen ("log-instances="));
7088 } else if (str_begins_with (arg, "log-instances")) {
7089 opts->log_instances = TRUE;
7090 } else if (str_begins_with (arg, "internal-logfile=")) {
7091 opts->logfile = g_strdup (arg + strlen ("internal-logfile="));
7092 } else if (str_begins_with (arg, "mtriple=")) {
7093 opts->mtriple = g_strdup (arg + strlen ("mtriple="));
7094 } else if (str_begins_with (arg, "llvm-path=")) {
7095 opts->llvm_path = clean_path (g_strdup (arg + strlen ("llvm-path=")));
7096 } else if (!strcmp (arg, "llvm")) {
7098 } else if (str_begins_with (arg, "readonly-value=")) {
7099 add_readonly_value (opts, arg + strlen ("readonly-value="));
7100 } else if (str_begins_with (arg, "info")) {
7101 printf ("AOT target setup: %s.\n", AOT_TARGET_STR);
7103 } else if (str_begins_with (arg, "gc-maps")) {
7104 mini_gc_enable_gc_maps_for_aot ();
7105 } else if (str_begins_with (arg, "dump")) {
7106 opts->dump_json = TRUE;
7107 } else if (str_begins_with (arg, "llvmonly")) {
7108 opts->mode = MONO_AOT_MODE_FULL;
7110 opts->llvm_only = TRUE;
7111 } else if (str_begins_with (arg, "data-outfile=")) {
7112 opts->data_outfile = g_strdup (arg + strlen ("data-outfile="));
7113 } else if (str_begins_with (arg, "help") || str_begins_with (arg, "?")) {
7114 printf ("Supported options for --aot:\n");
7115 printf (" outfile=\n");
7116 printf (" llvm-outfile=\n");
7117 printf (" llvm-path=\n");
7118 printf (" temp-path=\n");
7119 printf (" save-temps\n");
7120 printf (" keep-temps\n");
7121 printf (" write-symbols\n");
7122 printf (" metadata-only\n");
7123 printf (" bind-to-runtime-version\n");
7125 printf (" threads=\n");
7126 printf (" static\n");
7127 printf (" asmonly\n");
7128 printf (" asmwriter\n");
7129 printf (" nodebug\n");
7130 printf (" dwarfdebug\n");
7131 printf (" ntrampolines=\n");
7132 printf (" nrgctx-trampolines=\n");
7133 printf (" nimt-trampolines=\n");
7134 printf (" ngsharedvt-trampolines=\n");
7135 printf (" tool-prefix=\n");
7136 printf (" readonly-value=\n");
7137 printf (" soft-debug\n");
7138 printf (" gen-seq-points-file\n");
7139 printf (" gc-maps\n");
7140 printf (" print-skipped\n");
7141 printf (" no-instances\n");
7142 printf (" stats\n");
7145 printf (" help/?\n");
7148 fprintf (stderr, "AOT : Unknown argument '%s'.\n", arg);
7152 g_free ((gpointer) arg);
7155 if (opts->use_trampolines_page) {
7156 opts->ntrampolines = 0;
7157 opts->nrgctx_trampolines = 0;
7158 opts->nimt_trampolines = 0;
7159 opts->ngsharedvt_arg_trampolines = 0;
7162 g_ptr_array_free (args, /*free_seg=*/TRUE);
7166 add_token_info_hash (gpointer key, gpointer value, gpointer user_data)
7168 MonoMethod *method = (MonoMethod*)key;
7169 MonoJumpInfoToken *ji = (MonoJumpInfoToken*)value;
7170 MonoAotCompile *acfg = (MonoAotCompile *)user_data;
7171 MonoJumpInfoToken *new_ji;
7173 new_ji = (MonoJumpInfoToken *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfoToken));
7174 new_ji->image = ji->image;
7175 new_ji->token = ji->token;
7176 g_hash_table_insert (acfg->token_info_hash, method, new_ji);
7180 can_encode_class (MonoAotCompile *acfg, MonoClass *klass)
7182 if (klass->type_token)
7184 if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR) || (klass->byval_arg.type == MONO_TYPE_PTR))
7187 return can_encode_class (acfg, klass->element_class);
7192 can_encode_method (MonoAotCompile *acfg, MonoMethod *method)
7194 if (method->wrapper_type) {
7195 switch (method->wrapper_type) {
7196 case MONO_WRAPPER_NONE:
7197 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
7198 case MONO_WRAPPER_XDOMAIN_INVOKE:
7199 case MONO_WRAPPER_STFLD:
7200 case MONO_WRAPPER_LDFLD:
7201 case MONO_WRAPPER_LDFLDA:
7202 case MONO_WRAPPER_STFLD_REMOTE:
7203 case MONO_WRAPPER_STELEMREF:
7204 case MONO_WRAPPER_ISINST:
7205 case MONO_WRAPPER_PROXY_ISINST:
7206 case MONO_WRAPPER_ALLOC:
7207 case MONO_WRAPPER_REMOTING_INVOKE:
7208 case MONO_WRAPPER_UNKNOWN:
7209 case MONO_WRAPPER_WRITE_BARRIER:
7210 case MONO_WRAPPER_DELEGATE_INVOKE:
7211 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE:
7212 case MONO_WRAPPER_DELEGATE_END_INVOKE:
7213 case MONO_WRAPPER_SYNCHRONIZED:
7215 case MONO_WRAPPER_MANAGED_TO_MANAGED:
7216 case MONO_WRAPPER_CASTCLASS: {
7217 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
7226 //printf ("Skip (wrapper call): %d -> %s\n", patch_info->type, mono_method_full_name (patch_info->data.method, TRUE));
7230 if (!method->token) {
7231 /* The method is part of a constructed type like Int[,].Set (). */
7232 if (!g_hash_table_lookup (acfg->token_info_hash, method)) {
7233 if (method->klass->rank)
7243 can_encode_patch (MonoAotCompile *acfg, MonoJumpInfo *patch_info)
7245 switch (patch_info->type) {
7246 case MONO_PATCH_INFO_METHOD:
7247 case MONO_PATCH_INFO_METHODCONST:
7248 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
7249 MonoMethod *method = patch_info->data.method;
7251 return can_encode_method (acfg, method);
7253 case MONO_PATCH_INFO_VTABLE:
7254 case MONO_PATCH_INFO_CLASS:
7255 case MONO_PATCH_INFO_IID:
7256 case MONO_PATCH_INFO_ADJUSTED_IID:
7257 if (!can_encode_class (acfg, patch_info->data.klass)) {
7258 //printf ("Skip: %s\n", mono_type_full_name (&patch_info->data.klass->byval_arg));
7262 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
7263 if (!can_encode_class (acfg, patch_info->data.del_tramp->klass)) {
7264 //printf ("Skip: %s\n", mono_type_full_name (&patch_info->data.klass->byval_arg));
7269 case MONO_PATCH_INFO_RGCTX_FETCH:
7270 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
7271 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
7273 if (!can_encode_method (acfg, entry->method))
7275 if (!can_encode_patch (acfg, entry->data))
7287 is_concrete_type (MonoType *t)
7292 if (t->type == MONO_TYPE_VAR || t->type == MONO_TYPE_MVAR)
7294 if (t->type == MONO_TYPE_GENERICINST) {
7295 MonoGenericContext *orig_ctx;
7296 MonoGenericInst *inst;
7299 if (!MONO_TYPE_ISSTRUCT (t))
7301 klass = mono_class_from_mono_type (t);
7302 orig_ctx = &klass->generic_class->context;
7304 inst = orig_ctx->class_inst;
7306 for (i = 0; i < inst->type_argc; ++i) {
7307 arg = mini_get_underlying_type (inst->type_argv [i]);
7308 if (!is_concrete_type (arg))
7312 inst = orig_ctx->method_inst;
7314 for (i = 0; i < inst->type_argc; ++i) {
7315 arg = mini_get_underlying_type (inst->type_argv [i]);
7316 if (!is_concrete_type (arg))
7324 /* LOCKING: Assumes the loader lock is held */
7326 add_gsharedvt_wrappers (MonoAotCompile *acfg, MonoMethodSignature *sig, gboolean gsharedvt_in, gboolean gsharedvt_out)
7328 MonoMethod *wrapper;
7329 gboolean concrete = TRUE;
7330 gboolean add_in = gsharedvt_in;
7331 gboolean add_out = gsharedvt_out;
7333 if (gsharedvt_in && g_hash_table_lookup (acfg->gsharedvt_in_signatures, sig))
7335 if (gsharedvt_out && g_hash_table_lookup (acfg->gsharedvt_out_signatures, sig))
7338 if (!add_in && !add_out)
7341 if (mini_is_gsharedvt_variable_signature (sig))
7345 g_hash_table_insert (acfg->gsharedvt_in_signatures, sig, sig);
7347 g_hash_table_insert (acfg->gsharedvt_out_signatures, sig, sig);
7349 if (!sig->has_type_parameters) {
7350 //printf ("%s\n", mono_signature_full_name (sig));
7353 wrapper = mini_get_gsharedvt_in_sig_wrapper (sig);
7354 add_extra_method (acfg, wrapper);
7356 if (gsharedvt_out) {
7357 wrapper = mini_get_gsharedvt_out_sig_wrapper (sig);
7358 add_extra_method (acfg, wrapper);
7361 /* For signatures creared during generic sharing, convert them to a concrete signature if possible */
7362 MonoMethodSignature *copy = mono_metadata_signature_dup (sig);
7365 //printf ("%s\n", mono_signature_full_name (sig));
7367 copy->ret = mini_get_underlying_type (sig->ret);
7368 if (!is_concrete_type (copy->ret))
7370 for (i = 0; i < sig->param_count; ++i) {
7371 copy->params [i] = mini_get_underlying_type (sig->params [i]);
7372 if (!is_concrete_type (copy->params [i]))
7376 copy->has_type_parameters = 0;
7379 wrapper = mini_get_gsharedvt_in_sig_wrapper (copy);
7380 add_extra_method (acfg, wrapper);
7383 if (gsharedvt_out) {
7384 wrapper = mini_get_gsharedvt_out_sig_wrapper (copy);
7385 add_extra_method (acfg, wrapper);
7388 //printf ("%s\n", mono_method_full_name (wrapper, 1));
7396 * AOT compile a given method.
7397 * This function might be called by multiple threads, so it must be thread-safe.
7400 compile_method (MonoAotCompile *acfg, MonoMethod *method)
7403 MonoJumpInfo *patch_info;
7406 MonoMethod *wrapped;
7410 if (acfg->aot_opts.metadata_only)
7413 mono_acfg_lock (acfg);
7414 index = get_method_index (acfg, method);
7415 mono_acfg_unlock (acfg);
7417 /* fixme: maybe we can also precompile wrapper methods */
7418 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
7419 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
7420 (method->flags & METHOD_ATTRIBUTE_ABSTRACT)) {
7421 //printf ("Skip (impossible): %s\n", mono_method_full_name (method, TRUE));
7425 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
7428 wrapped = mono_marshal_method_from_wrapper (method);
7429 if (wrapped && (wrapped->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) && wrapped->is_generic)
7430 // FIXME: The wrapper should be generic too, but it is not
7433 if (method->wrapper_type == MONO_WRAPPER_COMINTEROP)
7436 InterlockedIncrement (&acfg->stats.mcount);
7439 if (method->is_generic || method->klass->generic_container) {
7440 InterlockedIncrement (&acfg->stats.genericcount);
7445 //acfg->aot_opts.print_skipped_methods = TRUE;
7448 * Since these methods are the only ones which are compiled with
7449 * AOT support, and they are not used by runtime startup/shutdown code,
7450 * the runtime will not see AOT methods during AOT compilation,so it
7451 * does not need to support them by creating a fake GOT etc.
7453 flags = JIT_FLAG_AOT;
7454 if (mono_aot_mode_is_full (&acfg->aot_opts))
7455 flags = (JitFlags)(flags | JIT_FLAG_FULL_AOT);
7457 flags = (JitFlags)(flags | JIT_FLAG_LLVM);
7458 if (acfg->aot_opts.llvm_only)
7459 flags = (JitFlags)(flags | JIT_FLAG_LLVM_ONLY | JIT_FLAG_EXPLICIT_NULL_CHECKS);
7460 if (acfg->aot_opts.no_direct_calls)
7461 flags = (JitFlags)(flags | JIT_FLAG_NO_DIRECT_ICALLS);
7463 jit_timer = mono_time_track_start ();
7464 cfg = mini_method_compile (method, acfg->opts, mono_get_root_domain (), flags, 0, index);
7465 mono_time_track_end (&mono_jit_stats.jit_time, jit_timer);
7467 if (cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
7468 if (acfg->aot_opts.print_skipped_methods)
7469 printf ("Skip (gshared failure): %s (%s)\n", mono_method_get_full_name (method), cfg->exception_message);
7470 InterlockedIncrement (&acfg->stats.genericcount);
7473 if (cfg->exception_type != MONO_EXCEPTION_NONE) {
7474 if (acfg->aot_opts.print_skipped_methods)
7475 printf ("Skip (JIT failure): %s\n", mono_method_get_full_name (method));
7476 /* Let the exception happen at runtime */
7480 if (cfg->disable_aot) {
7481 if (acfg->aot_opts.print_skipped_methods)
7482 printf ("Skip (disabled): %s\n", mono_method_get_full_name (method));
7483 InterlockedIncrement (&acfg->stats.ocount);
7486 cfg->method_index = index;
7488 /* Nullify patches which need no aot processing */
7489 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7490 switch (patch_info->type) {
7491 case MONO_PATCH_INFO_LABEL:
7492 case MONO_PATCH_INFO_BB:
7493 patch_info->type = MONO_PATCH_INFO_NONE;
7500 /* Collect method->token associations from the cfg */
7501 mono_acfg_lock (acfg);
7502 g_hash_table_foreach (cfg->token_info_hash, add_token_info_hash, acfg);
7503 mono_acfg_unlock (acfg);
7504 g_hash_table_destroy (cfg->token_info_hash);
7505 cfg->token_info_hash = NULL;
7508 * Check for absolute addresses.
7511 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7512 switch (patch_info->type) {
7513 case MONO_PATCH_INFO_ABS:
7514 /* unable to handle this */
7523 if (acfg->aot_opts.print_skipped_methods)
7524 printf ("Skip (abs call): %s\n", mono_method_get_full_name (method));
7525 InterlockedIncrement (&acfg->stats.abscount);
7529 /* Lock for the rest of the code */
7530 mono_acfg_lock (acfg);
7533 acfg->stats.method_categories [METHOD_CAT_GSHAREDVT] ++;
7534 else if (cfg->gshared)
7535 acfg->stats.method_categories [METHOD_CAT_INST] ++;
7536 else if (cfg->method->wrapper_type)
7537 acfg->stats.method_categories [METHOD_CAT_WRAPPER] ++;
7539 acfg->stats.method_categories [METHOD_CAT_NORMAL] ++;
7542 * Check for methods/klasses we can't encode.
7545 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7546 if (!can_encode_patch (acfg, patch_info))
7551 if (acfg->aot_opts.print_skipped_methods)
7552 printf ("Skip (patches): %s\n", mono_method_get_full_name (method));
7553 acfg->stats.ocount++;
7554 mono_acfg_unlock (acfg);
7558 if (!cfg->compile_llvm)
7559 acfg->has_jitted_code = TRUE;
7561 if (method->is_inflated && acfg->aot_opts.log_instances) {
7562 if (acfg->instances_logfile)
7563 fprintf (acfg->instances_logfile, "%s ### %d\n", mono_method_get_full_name (method), cfg->code_size);
7565 printf ("%s ### %d\n", mono_method_get_full_name (method), cfg->code_size);
7568 /* Adds generic instances referenced by this method */
7570 * The depth is used to avoid infinite loops when generic virtual recursion is
7573 depth = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_depth, method));
7574 if (!acfg->aot_opts.no_instances && depth < 32) {
7575 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7576 switch (patch_info->type) {
7577 case MONO_PATCH_INFO_RGCTX_FETCH:
7578 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX:
7579 case MONO_PATCH_INFO_METHOD: {
7580 MonoMethod *m = NULL;
7582 if (patch_info->type == MONO_PATCH_INFO_RGCTX_FETCH || patch_info->type == MONO_PATCH_INFO_RGCTX_SLOT_INDEX) {
7583 MonoJumpInfoRgctxEntry *e = patch_info->data.rgctx_entry;
7585 if (e->info_type == MONO_RGCTX_INFO_GENERIC_METHOD_CODE)
7586 m = e->data->data.method;
7588 m = patch_info->data.method;
7593 if (m->is_inflated) {
7594 if (!(mono_class_generic_sharing_enabled (m->klass) &&
7595 mono_method_is_generic_sharable_full (m, FALSE, FALSE, FALSE)) &&
7596 (!method_has_type_vars (m) || mono_method_is_generic_sharable_full (m, TRUE, TRUE, FALSE))) {
7597 if (m->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
7598 if (mono_aot_mode_is_full (&acfg->aot_opts) && !method_has_type_vars (m))
7599 add_extra_method_with_depth (acfg, mono_marshal_get_native_wrapper (m, TRUE, TRUE), depth + 1);
7601 add_extra_method_with_depth (acfg, m, depth + 1);
7602 add_types_from_method_header (acfg, m);
7605 add_generic_class_with_depth (acfg, m->klass, depth + 5, "method");
7607 if (m->wrapper_type == MONO_WRAPPER_MANAGED_TO_MANAGED) {
7608 WrapperInfo *info = mono_marshal_get_wrapper_info (m);
7610 if (info && info->subtype == WRAPPER_SUBTYPE_ELEMENT_ADDR)
7611 add_extra_method_with_depth (acfg, m, depth + 1);
7615 case MONO_PATCH_INFO_VTABLE: {
7616 MonoClass *klass = patch_info->data.klass;
7618 if (klass->generic_class && !mini_class_is_generic_sharable (klass))
7619 add_generic_class_with_depth (acfg, klass, depth + 5, "vtable");
7622 case MONO_PATCH_INFO_SFLDA: {
7623 MonoClass *klass = patch_info->data.field->parent;
7625 /* The .cctor needs to run at runtime. */
7626 if (klass->generic_class && !mono_generic_context_is_sharable_full (&klass->generic_class->context, FALSE, FALSE) && mono_class_get_cctor (klass))
7627 add_extra_method_with_depth (acfg, mono_class_get_cctor (klass), depth + 1);
7636 /* Determine whenever the method has GOT slots */
7637 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7638 switch (patch_info->type) {
7639 case MONO_PATCH_INFO_GOT_OFFSET:
7640 case MONO_PATCH_INFO_NONE:
7641 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
7642 case MONO_PATCH_INFO_GC_NURSERY_START:
7643 case MONO_PATCH_INFO_GC_NURSERY_BITS:
7645 case MONO_PATCH_INFO_IMAGE:
7646 /* The assembly is stored in GOT slot 0 */
7647 if (patch_info->data.image != acfg->image)
7648 cfg->has_got_slots = TRUE;
7651 if (!is_plt_patch (patch_info) || (cfg->compile_llvm && acfg->aot_opts.llvm_only))
7652 cfg->has_got_slots = TRUE;
7657 if (!cfg->has_got_slots)
7658 InterlockedIncrement (&acfg->stats.methods_without_got_slots);
7660 /* Add gsharedvt wrappers for signatures used by the method */
7661 if (acfg->aot_opts.llvm_only) {
7664 if (!cfg->method->wrapper_type || cfg->method->wrapper_type == MONO_WRAPPER_DELEGATE_INVOKE)
7665 /* These only need out wrappers */
7666 add_gsharedvt_wrappers (acfg, mono_method_signature (cfg->method), FALSE, TRUE);
7668 for (l = cfg->signatures; l; l = l->next) {
7669 MonoMethodSignature *sig = mono_metadata_signature_dup ((MonoMethodSignature*)l->data);
7671 /* These only need in wrappers */
7672 add_gsharedvt_wrappers (acfg, sig, TRUE, FALSE);
7677 * FIXME: Instead of this mess, allocate the patches from the aot mempool.
7679 /* Make a copy of the patch info which is in the mempool */
7681 MonoJumpInfo *patches = NULL, *patches_end = NULL;
7683 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7684 MonoJumpInfo *new_patch_info = mono_patch_info_dup_mp (acfg->mempool, patch_info);
7687 patches = new_patch_info;
7689 patches_end->next = new_patch_info;
7690 patches_end = new_patch_info;
7692 cfg->patch_info = patches;
7694 /* Make a copy of the unwind info */
7696 GSList *l, *unwind_ops;
7700 for (l = cfg->unwind_ops; l; l = l->next) {
7701 op = (MonoUnwindOp *)mono_mempool_alloc (acfg->mempool, sizeof (MonoUnwindOp));
7702 memcpy (op, l->data, sizeof (MonoUnwindOp));
7703 unwind_ops = g_slist_prepend_mempool (acfg->mempool, unwind_ops, op);
7705 cfg->unwind_ops = g_slist_reverse (unwind_ops);
7707 /* Make a copy of the argument/local info */
7710 MonoInst **args, **locals;
7711 MonoMethodSignature *sig;
7712 MonoMethodHeader *header;
7715 sig = mono_method_signature (method);
7716 args = (MonoInst **)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst*) * (sig->param_count + sig->hasthis));
7717 for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
7718 args [i] = (MonoInst *)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst));
7719 memcpy (args [i], cfg->args [i], sizeof (MonoInst));
7723 header = mono_method_get_header_checked (method, &error);
7724 mono_error_assert_ok (&error); /* FIXME don't swallow the error */
7725 locals = (MonoInst **)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst*) * header->num_locals);
7726 for (i = 0; i < header->num_locals; ++i) {
7727 locals [i] = (MonoInst *)mono_mempool_alloc (acfg->mempool, sizeof (MonoInst));
7728 memcpy (locals [i], cfg->locals [i], sizeof (MonoInst));
7730 mono_metadata_free_mh (header);
7731 cfg->locals = locals;
7734 /* Free some fields used by cfg to conserve memory */
7735 mono_empty_compile (cfg);
7737 //printf ("Compile: %s\n", mono_method_full_name (method, TRUE));
7739 while (index >= acfg->cfgs_size) {
7740 MonoCompile **new_cfgs;
7743 new_size = acfg->cfgs_size * 2;
7744 new_cfgs = g_new0 (MonoCompile*, new_size);
7745 memcpy (new_cfgs, acfg->cfgs, sizeof (MonoCompile*) * acfg->cfgs_size);
7746 g_free (acfg->cfgs);
7747 acfg->cfgs = new_cfgs;
7748 acfg->cfgs_size = new_size;
7750 acfg->cfgs [index] = cfg;
7752 g_hash_table_insert (acfg->method_to_cfg, cfg->orig_method, cfg);
7754 mono_update_jit_stats (cfg);
7757 if (cfg->orig_method->wrapper_type)
7758 g_ptr_array_add (acfg->extra_methods, cfg->orig_method);
7761 mono_acfg_unlock (acfg);
7763 InterlockedIncrement (&acfg->stats.ccount);
7767 compile_thread_main (gpointer *user_data)
7769 MonoDomain *domain = (MonoDomain *)user_data [0];
7770 MonoAotCompile *acfg = (MonoAotCompile *)user_data [1];
7771 GPtrArray *methods = (GPtrArray *)user_data [2];
7775 MonoThread *thread = mono_thread_attach (domain);
7776 mono_thread_set_name_internal (thread->internal_thread, mono_string_new (mono_get_root_domain (), "AOT compiler"), TRUE, &error);
7777 mono_error_assert_ok (&error);
7779 for (i = 0; i < methods->len; ++i)
7780 compile_method (acfg, (MonoMethod *)g_ptr_array_index (methods, i));
7784 load_profile_files (MonoAotCompile *acfg)
7788 int file_index, res, method_index, i;
7791 GList *unordered, *l;
7796 tmp = g_strdup_printf ("%s/.mono/aot-profile-data/%s-%d", g_get_home_dir (), acfg->image->assembly_name, file_index);
7798 if (!g_file_test (tmp, G_FILE_TEST_IS_REGULAR)) {
7803 infile = fopen (tmp, "r");
7806 printf ("Using profile data file '%s'\n", tmp);
7811 res = fscanf (infile, "%32s\n", ver);
7812 if ((res != 1) || strcmp (ver, "#VER:2") != 0) {
7813 printf ("Profile file has wrong version or invalid.\n");
7820 MonoMethodDesc *desc;
7823 if (fgets (name, 1023, infile) == NULL)
7826 /* Kill the newline */
7827 if (strlen (name) > 0)
7828 name [strlen (name) - 1] = '\0';
7830 desc = mono_method_desc_new (name, TRUE);
7832 method = mono_method_desc_search_in_image (desc, acfg->image);
7834 if (method && mono_method_get_token (method)) {
7835 token = mono_method_get_token (method);
7836 method_index = mono_metadata_token_index (token) - 1;
7839 for (i = 0; i < acfg->method_order->len; ++i) {
7840 if (g_ptr_array_index (acfg->method_order, i) == GUINT_TO_POINTER (method_index)) {
7846 g_ptr_array_add (acfg->method_order, GUINT_TO_POINTER (method_index));
7848 //printf ("No method found matching '%s'.\n", name);
7854 /* Add missing methods */
7856 for (method_index = 0; method_index < acfg->image->tables [MONO_TABLE_METHOD].rows; ++method_index) {
7858 for (i = 0; i < acfg->method_order->len; ++i) {
7859 if (g_ptr_array_index (acfg->method_order, i) == GUINT_TO_POINTER (method_index)) {
7865 unordered = g_list_prepend (unordered, GUINT_TO_POINTER (method_index));
7867 unordered = g_list_reverse (unordered);
7868 for (l = unordered; l; l = l->next)
7869 g_ptr_array_add (acfg->method_order, l->data);
7872 /* Used by the LLVM backend */
7874 mono_aot_get_got_offset (MonoJumpInfo *ji)
7876 return get_got_offset (llvm_acfg, TRUE, ji);
7880 * mono_aot_is_shared_got_offset:
7882 * Return whenever OFFSET refers to a GOT slot which is preinitialized
7883 * when the AOT image is loaded.
7886 mono_aot_is_shared_got_offset (int offset)
7888 return offset < llvm_acfg->nshared_got_entries;
7892 mono_aot_get_method_name (MonoCompile *cfg)
7894 if (llvm_acfg->aot_opts.static_link)
7895 /* Include the assembly name too to avoid duplicate symbol errors */
7896 return g_strdup_printf ("%s_%s", llvm_acfg->assembly_name_sym, get_debug_sym (cfg->orig_method, "", llvm_acfg->method_label_hash));
7898 return get_debug_sym (cfg->orig_method, "", llvm_acfg->method_label_hash);
7902 * mono_aot_is_linkonce_method:
7904 * Return whenever METHOD should be emitted with linkonce linkage,
7905 * eliminating duplicate copies when compiling in static mode.
7908 mono_aot_is_linkonce_method (MonoMethod *method)
7914 // FIXME: Add more cases
7915 if (method->wrapper_type != MONO_WRAPPER_UNKNOWN)
7917 info = mono_marshal_get_wrapper_info (method);
7918 if ((info && (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG)))
7925 append_mangled_type (GString *s, MonoType *t)
7928 g_string_append_printf (s, "b");
7930 case MONO_TYPE_VOID:
7931 g_string_append_printf (s, "void_");
7934 g_string_append_printf (s, "i1");
7937 g_string_append_printf (s, "u1");
7940 g_string_append_printf (s, "i2");
7943 g_string_append_printf (s, "u2");
7946 g_string_append_printf (s, "i4");
7949 g_string_append_printf (s, "u4");
7952 g_string_append_printf (s, "i8");
7955 g_string_append_printf (s, "u8");
7958 g_string_append_printf (s, "ii");
7961 g_string_append_printf (s, "ui");
7964 g_string_append_printf (s, "fl");
7967 g_string_append_printf (s, "do");
7970 char *fullname = mono_type_full_name (t);
7976 * Have to create a mangled name which is:
7980 temp = g_string_new ("");
7981 len = strlen (fullname);
7982 for (i = 0; i < len; ++i) {
7983 char c = fullname [i];
7985 g_string_append_c (temp, c);
7986 } else if (c == '_') {
7987 g_string_append_c (temp, '_');
7988 g_string_append_c (temp, '_');
7990 g_string_append_c (temp, '_');
7991 g_string_append_printf (temp, "%x", (int)c);
7994 temps = g_string_free (temp, FALSE);
7995 /* Include the length to avoid different length type names aliasing each other */
7996 g_string_append_printf (s, "cl%x_%s_", strlen (temps), temps);
8005 append_mangled_signature (GString *s, MonoMethodSignature *sig)
8010 supported = append_mangled_type (s, sig->ret);
8014 g_string_append_printf (s, "this_");
8015 for (i = 0; i < sig->param_count; ++i) {
8016 supported = append_mangled_type (s, sig->params [i]);
8025 * mono_aot_get_mangled_method_name:
8027 * Return a unique mangled name for METHOD, or NULL.
8030 mono_aot_get_mangled_method_name (MonoMethod *method)
8036 // FIXME: Add more cases
8037 if (method->wrapper_type != MONO_WRAPPER_UNKNOWN)
8039 info = mono_marshal_get_wrapper_info (method);
8040 if (!(info && (info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG || info->subtype == WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG)))
8043 s = g_string_new ("");
8045 g_string_append_printf (s, "aot_method_w_");
8047 switch (info->subtype) {
8048 case WRAPPER_SUBTYPE_GSHAREDVT_IN_SIG:
8049 g_string_append_printf (s, "gsharedvt_in_");
8051 case WRAPPER_SUBTYPE_GSHAREDVT_OUT_SIG:
8052 g_string_append_printf (s, "gsharedvt_out_");
8055 g_assert_not_reached ();
8059 supported = append_mangled_signature (s, info->d.gsharedvt.sig);
8061 g_string_free (s, TRUE);
8065 return g_string_free (s, FALSE);
8069 mono_aot_is_direct_callable (MonoJumpInfo *patch_info)
8071 return is_direct_callable (llvm_acfg, NULL, patch_info);
8075 mono_aot_mark_unused_llvm_plt_entry (MonoJumpInfo *patch_info)
8077 MonoPltEntry *plt_entry;
8079 plt_entry = get_plt_entry (llvm_acfg, patch_info);
8080 plt_entry->llvm_used = FALSE;
8084 mono_aot_get_direct_call_symbol (MonoJumpInfoType type, gconstpointer data)
8086 const char *sym = NULL;
8088 if (llvm_acfg->aot_opts.direct_icalls) {
8089 if (type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
8090 /* Call to a C function implementing a jit icall */
8091 sym = mono_lookup_jit_icall_symbol ((const char *)data);
8092 } else if (type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
8093 MonoMethod *method = (MonoMethod *)data;
8094 if (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8095 sym = mono_lookup_icall_symbol (method);
8096 else if (llvm_acfg->aot_opts.direct_pinvoke)
8097 sym = get_pinvoke_import (llvm_acfg, method);
8100 return g_strdup (sym);
8106 mono_aot_get_plt_symbol (MonoJumpInfoType type, gconstpointer data)
8108 MonoJumpInfo *ji = (MonoJumpInfo *)mono_mempool_alloc (llvm_acfg->mempool, sizeof (MonoJumpInfo));
8109 MonoPltEntry *plt_entry;
8110 const char *sym = NULL;
8113 ji->data.target = data;
8115 if (!can_encode_patch (llvm_acfg, ji))
8118 if (llvm_acfg->aot_opts.direct_icalls) {
8119 if (type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
8120 /* Call to a C function implementing a jit icall */
8121 sym = mono_lookup_jit_icall_symbol ((const char *)data);
8122 } else if (type == MONO_PATCH_INFO_ICALL_ADDR_CALL) {
8123 MonoMethod *method = (MonoMethod *)data;
8124 if (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
8125 sym = mono_lookup_icall_symbol (method);
8128 return g_strdup (sym);
8131 plt_entry = get_plt_entry (llvm_acfg, ji);
8132 plt_entry->llvm_used = TRUE;
8134 #if defined(TARGET_MACH)
8135 return g_strdup_printf (plt_entry->llvm_symbol + strlen (llvm_acfg->llvm_label_prefix));
8137 return g_strdup_printf (plt_entry->llvm_symbol);
8142 mono_aot_get_method_index (MonoMethod *method)
8144 g_assert (llvm_acfg);
8145 return get_method_index (llvm_acfg, method);
8149 mono_aot_patch_info_dup (MonoJumpInfo* ji)
8153 mono_acfg_lock (llvm_acfg);
8154 res = mono_patch_info_dup_mp (llvm_acfg->mempool, ji);
8155 mono_acfg_unlock (llvm_acfg);
8161 execute_system (const char * command)
8166 // We need an extra set of quotes around the whole command to properly handle commands
8167 // with spaces since internally the command is called through "cmd /c.
8168 command = g_strdup_printf ("\"%s\"", command);
8170 int size = MultiByteToWideChar (CP_UTF8, 0 , command , -1, NULL , 0);
8171 wchar_t* wstr = g_malloc (sizeof (wchar_t) * size);
8172 MultiByteToWideChar (CP_UTF8, 0, command, -1, wstr , size);
8173 status = _wsystem (wstr);
8177 #elif defined (HAVE_SYSTEM)
8178 status = system (command);
8180 g_assert_not_reached ();
8191 * Emit the LLVM code into an LLVM bytecode file, and compile it using the LLVM
8195 emit_llvm_file (MonoAotCompile *acfg)
8197 char *command, *opts, *tempbc, *optbc, *output_fname;
8199 if (acfg->aot_opts.llvm_only && acfg->aot_opts.asm_only) {
8200 tempbc = g_strdup_printf ("%s.bc", acfg->tmpbasename);
8201 optbc = g_strdup (acfg->aot_opts.llvm_outfile);
8203 tempbc = g_strdup_printf ("%s.bc", acfg->tmpbasename);
8204 optbc = g_strdup_printf ("%s.opt.bc", acfg->tmpbasename);
8207 mono_llvm_emit_aot_module (tempbc, g_path_get_basename (acfg->image->name));
8210 * FIXME: Experiment with adding optimizations, the -std-compile-opts set takes
8211 * a lot of time, and doesn't seem to save much space.
8212 * The following optimizations cannot be enabled:
8214 * - 'jump-threading' changes our blockaddress references to int constants.
8215 * - 'basiccg' fails because it contains:
8216 * if (CS && !isa<IntrinsicInst>(II)) {
8217 * and isa<IntrinsicInst> is false for invokes to intrinsics (iltests.exe).
8218 * - 'prune-eh' and 'functionattrs' depend on 'basiccg'.
8219 * The opt list below was produced by taking the output of:
8220 * llvm-as < /dev/null | opt -O2 -disable-output -debug-pass=Arguments
8221 * then removing tailcallelim + the global opts.
8222 * strip-dead-prototypes deletes unused intrinsics definitions.
8224 /* The dse pass is disabled because of #13734 and #17616 */
8226 * The dse bug is in DeadStoreElimination.cpp:isOverwrite ():
8227 * // If we have no DataLayout information around, then the size of the store
8228 * // is inferrable from the pointee type. If they are the same type, then
8229 * // we know that the store is safe.
8230 * if (AA.getDataLayout() == 0 &&
8231 * Later.Ptr->getType() == Earlier.Ptr->getType()) {
8232 * return OverwriteComplete;
8233 * Here, if 'Earlier' refers to a memset, and Later has no size info, it mistakenly thinks the memset is redundant.
8235 if (acfg->aot_opts.llvm_only)
8236 // FIXME: This doesn't work yet
8237 opts = g_strdup ("");
8239 #if LLVM_API_VERSION > 100
8240 opts = g_strdup ("-O2");
8242 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");
8244 command = g_strdup_printf ("\"%sopt\" -f %s -o \"%s\" \"%s\"", acfg->aot_opts.llvm_path, opts, optbc, tempbc);
8245 aot_printf (acfg, "Executing opt: %s\n", command);
8246 if (execute_system (command) != 0)
8250 if (acfg->aot_opts.llvm_only && acfg->aot_opts.asm_only)
8251 /* Nothing else to do */
8254 if (acfg->aot_opts.llvm_only) {
8255 /* Use the stock clang from xcode */
8257 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);
8259 aot_printf (acfg, "Executing clang: %s\n", command);
8260 if (execute_system (command) != 0)
8265 if (!acfg->llc_args)
8266 acfg->llc_args = g_string_new ("");
8268 /* Verbose asm slows down llc greatly */
8269 g_string_append (acfg->llc_args, " -asm-verbose=false");
8271 if (acfg->aot_opts.mtriple)
8272 g_string_append_printf (acfg->llc_args, " -mtriple=%s", acfg->aot_opts.mtriple);
8274 g_string_append (acfg->llc_args, " -disable-gnu-eh-frame -enable-mono-eh-frame");
8276 g_string_append_printf (acfg->llc_args, " -mono-eh-frame-symbol=%s%s", acfg->user_symbol_prefix, acfg->llvm_eh_frame_symbol);
8278 #if LLVM_API_VERSION > 100
8279 g_string_append_printf (acfg->llc_args, " -disable-tail-calls");
8282 #if defined(TARGET_MACH) && defined(TARGET_ARM)
8283 /* ios requires PIC code now */
8284 g_string_append_printf (acfg->llc_args, " -relocation-model=pic");
8286 if (llvm_acfg->aot_opts.static_link)
8287 g_string_append_printf (acfg->llc_args, " -relocation-model=static");
8289 g_string_append_printf (acfg->llc_args, " -relocation-model=pic");
8292 if (acfg->llvm_owriter) {
8293 /* Emit an object file directly */
8294 output_fname = g_strdup_printf ("%s", acfg->llvm_ofile);
8295 g_string_append_printf (acfg->llc_args, " -filetype=obj");
8297 output_fname = g_strdup_printf ("%s", acfg->llvm_sfile);
8299 command = g_strdup_printf ("\"%sllc\" %s -o \"%s\" \"%s.opt.bc\"", acfg->aot_opts.llvm_path, acfg->llc_args->str, output_fname, acfg->tmpbasename);
8300 g_free (output_fname);
8302 aot_printf (acfg, "Executing llc: %s\n", command);
8304 if (execute_system (command) != 0)
8311 emit_code (MonoAotCompile *acfg)
8313 int oindex, i, prev_index;
8314 gboolean saved_unbox_info = FALSE;
8315 char symbol [MAX_SYMBOL_SIZE];
8317 if (acfg->aot_opts.llvm_only)
8320 #if defined(TARGET_POWERPC64)
8321 sprintf (symbol, ".Lgot_addr");
8322 emit_section_change (acfg, ".text", 0);
8323 emit_alignment (acfg, 8);
8324 emit_label (acfg, symbol);
8325 emit_pointer (acfg, acfg->got_symbol);
8329 * This global symbol is used to compute the address of each method using the
8330 * code_offsets array. It is also used to compute the memory ranges occupied by
8331 * AOT code, so it must be equal to the address of the first emitted method.
8333 emit_section_change (acfg, ".text", 0);
8334 emit_alignment_code (acfg, 8);
8335 emit_info_symbol (acfg, "jit_code_start");
8338 * Emit some padding so the local symbol for the first method doesn't have the
8339 * same address as 'methods'.
8341 emit_padding (acfg, 16);
8343 for (oindex = 0; oindex < acfg->method_order->len; ++oindex) {
8347 i = GPOINTER_TO_UINT (g_ptr_array_index (acfg->method_order, oindex));
8349 cfg = acfg->cfgs [i];
8354 method = cfg->orig_method;
8356 /* Emit unbox trampoline */
8357 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype && !(acfg->aot_opts.llvm_only && cfg->compile_llvm)) {
8358 sprintf (symbol, "ut_%d", get_method_index (acfg, method));
8360 emit_section_change (acfg, ".text", 0);
8362 if (acfg->thumb_mixed && cfg->compile_llvm) {
8363 emit_set_thumb_mode (acfg);
8364 fprintf (acfg->fp, "\n.thumb_func\n");
8367 emit_label (acfg, symbol);
8369 arch_emit_unbox_trampoline (acfg, cfg, cfg->orig_method, cfg->asm_symbol);
8371 if (acfg->thumb_mixed && cfg->compile_llvm)
8372 emit_set_arm_mode (acfg);
8374 if (!saved_unbox_info) {
8375 char user_symbol [128];
8377 sprintf (user_symbol, "%sunbox_trampoline_p", acfg->user_symbol_prefix);
8379 emit_label (acfg, "ut_end");
8381 unwind_ops = mono_unwind_get_cie_program ();
8382 save_unwind_info (acfg, user_symbol, unwind_ops);
8383 mono_free_unwind_info (unwind_ops);
8385 /* Save the unbox trampoline size */
8386 emit_symbol_diff (acfg, "ut_end", symbol, 0);
8388 saved_unbox_info = TRUE;
8392 if (cfg->compile_llvm)
8393 acfg->stats.llvm_count ++;
8395 emit_method_code (acfg, cfg);
8398 emit_section_change (acfg, ".text", 0);
8399 emit_alignment_code (acfg, 8);
8400 emit_info_symbol (acfg, "jit_code_end");
8402 /* To distinguish it from the next symbol */
8403 emit_padding (acfg, 4);
8406 * Add .no_dead_strip directives for all LLVM methods to prevent the OSX linker
8407 * from optimizing them away, since it doesn't see that code_offsets references them.
8408 * JITted methods don't need this since they are referenced using assembler local
8410 * FIXME: This is why write-symbols doesn't work on OSX ?
8412 if (acfg->llvm && acfg->need_no_dead_strip) {
8413 fprintf (acfg->fp, "\n");
8414 for (i = 0; i < acfg->nmethods; ++i) {
8415 if (acfg->cfgs [i] && acfg->cfgs [i]->compile_llvm)
8416 fprintf (acfg->fp, ".no_dead_strip %s\n", acfg->cfgs [i]->asm_symbol);
8421 * To work around linker issues, we emit a table of branches, and disassemble them at runtime.
8422 * This is PIE code, and the linker can update it if needed.
8425 sprintf (symbol, "method_addresses");
8426 emit_section_change (acfg, ".text", 1);
8427 emit_alignment_code (acfg, 8);
8428 emit_info_symbol (acfg, symbol);
8429 emit_local_symbol (acfg, symbol, "method_addresses_end", TRUE);
8430 emit_unset_mode (acfg);
8431 if (acfg->need_no_dead_strip)
8432 fprintf (acfg->fp, " .no_dead_strip %s\n", symbol);
8434 for (i = 0; i < acfg->nmethods; ++i) {
8435 #ifdef MONO_ARCH_AOT_SUPPORTED
8438 if (acfg->cfgs [i]) {
8439 if (acfg->aot_opts.llvm_only && acfg->cfgs [i]->compile_llvm)
8440 /* Obtained by calling a generated function in the LLVM image */
8441 arch_emit_direct_call (acfg, symbol, FALSE, FALSE, NULL, &call_size);
8443 arch_emit_direct_call (acfg, acfg->cfgs [i]->asm_symbol, FALSE, acfg->thumb_mixed && acfg->cfgs [i]->compile_llvm, NULL, &call_size);
8445 arch_emit_direct_call (acfg, symbol, FALSE, FALSE, NULL, &call_size);
8450 sprintf (symbol, "method_addresses_end");
8451 emit_label (acfg, symbol);
8454 /* Emit a sorted table mapping methods to the index of their unbox trampolines */
8455 sprintf (symbol, "unbox_trampolines");
8456 emit_section_change (acfg, RODATA_SECT, 0);
8457 emit_alignment (acfg, 8);
8458 emit_info_symbol (acfg, symbol);
8461 for (i = 0; i < acfg->nmethods; ++i) {
8466 cfg = acfg->cfgs [i];
8470 method = cfg->orig_method;
8472 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype && !(acfg->aot_opts.llvm_only && cfg->compile_llvm)) {
8473 index = get_method_index (acfg, method);
8475 emit_int32 (acfg, index);
8476 /* Make sure the table is sorted by index */
8477 g_assert (index > prev_index);
8481 sprintf (symbol, "unbox_trampolines_end");
8482 emit_info_symbol (acfg, symbol);
8483 emit_int32 (acfg, 0);
8485 /* Emit a separate table with the trampoline addresses/offsets */
8486 sprintf (symbol, "unbox_trampoline_addresses");
8487 emit_section_change (acfg, ".text", 0);
8488 emit_alignment_code (acfg, 8);
8489 emit_info_symbol (acfg, symbol);
8491 for (i = 0; i < acfg->nmethods; ++i) {
8496 cfg = acfg->cfgs [i];
8500 method = cfg->orig_method;
8502 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype && !(acfg->aot_opts.llvm_only && cfg->compile_llvm)) {
8503 #ifdef MONO_ARCH_AOT_SUPPORTED
8506 index = get_method_index (acfg, method);
8507 sprintf (symbol, "ut_%d", index);
8509 arch_emit_direct_call (acfg, symbol, FALSE, acfg->thumb_mixed && cfg->compile_llvm, NULL, &call_size);
8513 emit_int32 (acfg, 0);
8517 emit_info (MonoAotCompile *acfg)
8522 offsets = g_new0 (gint32, acfg->nmethods);
8524 for (oindex = 0; oindex < acfg->method_order->len; ++oindex) {
8525 i = GPOINTER_TO_UINT (g_ptr_array_index (acfg->method_order, oindex));
8527 if (acfg->cfgs [i]) {
8528 emit_method_info (acfg, acfg->cfgs [i]);
8529 offsets [i] = acfg->cfgs [i]->method_info_offset;
8535 acfg->stats.offsets_size += emit_offset_table (acfg, "method_info_offsets", MONO_AOT_TABLE_METHOD_INFO_OFFSETS, acfg->nmethods, 10, offsets);
8540 #endif /* #if !defined(DISABLE_AOT) && !defined(DISABLE_JIT) */
8542 #define rot(x,k) (((x)<<(k)) | ((x)>>(32-(k))))
8543 #define mix(a,b,c) { \
8544 a -= c; a ^= rot(c, 4); c += b; \
8545 b -= a; b ^= rot(a, 6); a += c; \
8546 c -= b; c ^= rot(b, 8); b += a; \
8547 a -= c; a ^= rot(c,16); c += b; \
8548 b -= a; b ^= rot(a,19); a += c; \
8549 c -= b; c ^= rot(b, 4); b += a; \
8551 #define final(a,b,c) { \
8552 c ^= b; c -= rot(b,14); \
8553 a ^= c; a -= rot(c,11); \
8554 b ^= a; b -= rot(a,25); \
8555 c ^= b; c -= rot(b,16); \
8556 a ^= c; a -= rot(c,4); \
8557 b ^= a; b -= rot(a,14); \
8558 c ^= b; c -= rot(b,24); \
8562 mono_aot_type_hash (MonoType *t1)
8564 guint hash = t1->type;
8566 hash |= t1->byref << 6; /* do not collide with t1->type values */
8568 case MONO_TYPE_VALUETYPE:
8569 case MONO_TYPE_CLASS:
8570 case MONO_TYPE_SZARRAY:
8571 /* check if the distribution is good enough */
8572 return ((hash << 5) - hash) ^ mono_metadata_str_hash (t1->data.klass->name);
8574 return ((hash << 5) - hash) ^ mono_metadata_type_hash (t1->data.type);
8575 case MONO_TYPE_ARRAY:
8576 return ((hash << 5) - hash) ^ mono_metadata_type_hash (&t1->data.array->eklass->byval_arg);
8577 case MONO_TYPE_GENERICINST:
8578 return ((hash << 5) - hash) ^ 0;
8585 * mono_aot_method_hash:
8587 * Return a hash code for methods which only depends on metadata.
8590 mono_aot_method_hash (MonoMethod *method)
8592 MonoMethodSignature *sig;
8596 guint32 *hashes_start, *hashes;
8598 MonoGenericInst *class_ginst = NULL;
8599 MonoGenericInst *ginst = NULL;
8601 /* Similar to the hash in mono_method_get_imt_slot () */
8603 sig = mono_method_signature (method);
8605 if (method->klass->generic_class)
8606 class_ginst = method->klass->generic_class->context.class_inst;
8607 if (method->is_inflated)
8608 ginst = ((MonoMethodInflated*)method)->context.method_inst;
8610 hashes_count = sig->param_count + 5 + (class_ginst ? class_ginst->type_argc : 0) + (ginst ? ginst->type_argc : 0);
8611 hashes_start = (guint32 *)g_malloc0 (hashes_count * sizeof (guint32));
8612 hashes = hashes_start;
8614 /* Some wrappers are assigned to random classes */
8615 if (!method->wrapper_type || method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
8616 klass = method->klass;
8618 klass = mono_defaults.object_class;
8620 if (!method->wrapper_type) {
8623 if (klass->generic_class)
8624 full_name = mono_type_full_name (&klass->generic_class->container_class->byval_arg);
8626 full_name = mono_type_full_name (&klass->byval_arg);
8628 hashes [0] = mono_metadata_str_hash (full_name);
8632 hashes [0] = mono_metadata_str_hash (klass->name);
8633 hashes [1] = mono_metadata_str_hash (klass->name_space);
8635 if (method->wrapper_type == MONO_WRAPPER_STFLD || method->wrapper_type == MONO_WRAPPER_LDFLD || method->wrapper_type == MONO_WRAPPER_LDFLDA)
8636 /* The method name includes a stringified pointer */
8639 hashes [2] = mono_metadata_str_hash (method->name);
8640 hashes [3] = method->wrapper_type;
8641 hashes [4] = mono_aot_type_hash (sig->ret);
8643 for (i = 0; i < sig->param_count; i++) {
8644 hashes [hindex ++] = mono_aot_type_hash (sig->params [i]);
8647 for (i = 0; i < class_ginst->type_argc; ++i)
8648 hashes [hindex ++] = mono_aot_type_hash (class_ginst->type_argv [i]);
8651 for (i = 0; i < ginst->type_argc; ++i)
8652 hashes [hindex ++] = mono_aot_type_hash (ginst->type_argv [i]);
8654 g_assert (hindex == hashes_count);
8656 /* Setup internal state */
8657 a = b = c = 0xdeadbeef + (((guint32)hashes_count)<<2);
8659 /* Handle most of the hashes */
8660 while (hashes_count > 3) {
8669 /* Handle the last 3 hashes (all the case statements fall through) */
8670 switch (hashes_count) {
8671 case 3 : c += hashes [2];
8672 case 2 : b += hashes [1];
8673 case 1 : a += hashes [0];
8675 case 0: /* nothing left to add */
8679 free (hashes_start);
8688 * mono_aot_get_array_helper_from_wrapper;
8690 * Get the helper method in Array called by an array wrapper method.
8693 mono_aot_get_array_helper_from_wrapper (MonoMethod *method)
8697 MonoGenericContext ctx;
8698 MonoType *args [16];
8699 char *mname, *iname, *s, *s2, *helper_name = NULL;
8701 prefix = "System.Collections.Generic";
8702 s = g_strdup_printf ("%s", method->name + strlen (prefix) + 1);
8703 s2 = strstr (s, "`1.");
8709 //printf ("X: %s %s\n", iname, mname);
8711 if (!strcmp (iname, "IList"))
8712 helper_name = g_strdup_printf ("InternalArray__%s", mname);
8714 helper_name = g_strdup_printf ("InternalArray__%s_%s", iname, mname);
8715 m = mono_class_get_method_from_name (mono_defaults.array_class, helper_name, mono_method_signature (method)->param_count);
8717 g_free (helper_name);
8720 if (m->is_generic) {
8722 memset (&ctx, 0, sizeof (ctx));
8723 args [0] = &method->klass->element_class->byval_arg;
8724 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
8725 m = mono_class_inflate_generic_method_checked (m, &ctx, &error);
8726 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
8732 #if !defined(DISABLE_AOT) && !defined(DISABLE_JIT)
8734 typedef struct HashEntry {
8735 guint32 key, value, index;
8736 struct HashEntry *next;
8740 * emit_extra_methods:
8742 * Emit methods which are not in the METHOD table, like wrappers.
8745 emit_extra_methods (MonoAotCompile *acfg)
8747 int i, table_size, buf_size;
8749 guint32 *info_offsets;
8752 HashEntry *entry, *new_entry;
8753 int nmethods, max_chain_length;
8756 info_offsets = g_new0 (guint32, acfg->extra_methods->len);
8758 /* Emit method info */
8760 for (i = 0; i < acfg->extra_methods->len; ++i) {
8761 MonoMethod *method = (MonoMethod *)g_ptr_array_index (acfg->extra_methods, i);
8762 MonoCompile *cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, method);
8768 p = buf = (guint8 *)g_malloc (buf_size);
8772 method = cfg->method_to_register;
8774 encode_method_ref (acfg, method, p, &p);
8776 g_assert ((p - buf) < buf_size);
8778 info_offsets [i] = add_to_blob (acfg, buf, p - buf);
8783 * Construct a chained hash table for mapping indexes in extra_method_info to
8786 table_size = g_spaced_primes_closest ((int)(nmethods * 1.5));
8787 table = g_ptr_array_sized_new (table_size);
8788 for (i = 0; i < table_size; ++i)
8789 g_ptr_array_add (table, NULL);
8790 chain_lengths = g_new0 (int, table_size);
8791 max_chain_length = 0;
8792 for (i = 0; i < acfg->extra_methods->len; ++i) {
8793 MonoMethod *method = (MonoMethod *)g_ptr_array_index (acfg->extra_methods, i);
8794 MonoCompile *cfg = (MonoCompile *)g_hash_table_lookup (acfg->method_to_cfg, method);
8800 key = info_offsets [i];
8801 value = get_method_index (acfg, method);
8803 hash = mono_aot_method_hash (method) % table_size;
8804 //printf ("X: %s %x\n", mono_method_get_full_name (method), mono_aot_method_hash (method));
8806 chain_lengths [hash] ++;
8807 max_chain_length = MAX (max_chain_length, chain_lengths [hash]);
8809 new_entry = (HashEntry *)mono_mempool_alloc0 (acfg->mempool, sizeof (HashEntry));
8810 new_entry->key = key;
8811 new_entry->value = value;
8813 entry = (HashEntry *)g_ptr_array_index (table, hash);
8814 if (entry == NULL) {
8815 new_entry->index = hash;
8816 g_ptr_array_index (table, hash) = new_entry;
8819 entry = entry->next;
8821 entry->next = new_entry;
8822 new_entry->index = table->len;
8823 g_ptr_array_add (table, new_entry);
8826 g_free (chain_lengths);
8828 //printf ("MAX: %d\n", max_chain_length);
8830 buf_size = table->len * 12 + 4;
8831 p = buf = (guint8 *)g_malloc (buf_size);
8832 encode_int (table_size, p, &p);
8834 for (i = 0; i < table->len; ++i) {
8835 HashEntry *entry = (HashEntry *)g_ptr_array_index (table, i);
8837 if (entry == NULL) {
8838 encode_int (0, p, &p);
8839 encode_int (0, p, &p);
8840 encode_int (0, p, &p);
8842 //g_assert (entry->key > 0);
8843 encode_int (entry->key, p, &p);
8844 encode_int (entry->value, p, &p);
8846 encode_int (entry->next->index, p, &p);
8848 encode_int (0, p, &p);
8851 g_assert (p - buf <= buf_size);
8853 /* Emit the table */
8854 emit_aot_data (acfg, MONO_AOT_TABLE_EXTRA_METHOD_TABLE, "extra_method_table", buf, p - buf);
8859 * Emit a table reverse mapping method indexes to their index in extra_method_info.
8860 * This is used by mono_aot_find_jit_info ().
8862 buf_size = acfg->extra_methods->len * 8 + 4;
8863 p = buf = (guint8 *)g_malloc (buf_size);
8864 encode_int (acfg->extra_methods->len, p, &p);
8865 for (i = 0; i < acfg->extra_methods->len; ++i) {
8866 MonoMethod *method = (MonoMethod *)g_ptr_array_index (acfg->extra_methods, i);
8868 encode_int (get_method_index (acfg, method), p, &p);
8869 encode_int (info_offsets [i], p, &p);
8871 emit_aot_data (acfg, MONO_AOT_TABLE_EXTRA_METHOD_INFO_OFFSETS, "extra_method_info_offsets", buf, p - buf);
8874 g_free (info_offsets);
8875 g_ptr_array_free (table, TRUE);
8879 emit_exception_info (MonoAotCompile *acfg)
8883 SeqPointData sp_data;
8884 gboolean seq_points_to_file = FALSE;
8886 offsets = g_new0 (gint32, acfg->nmethods);
8887 for (i = 0; i < acfg->nmethods; ++i) {
8888 if (acfg->cfgs [i]) {
8889 MonoCompile *cfg = acfg->cfgs [i];
8891 // By design aot-runtime decode_exception_debug_info is not able to load sequence point debug data from a file.
8892 // As it is not possible to load debug data from a file its is also not possible to store it in a file.
8893 gboolean method_seq_points_to_file = acfg->aot_opts.gen_seq_points_file &&
8894 cfg->gen_seq_points && !cfg->gen_sdb_seq_points;
8895 gboolean method_seq_points_to_binary = cfg->gen_seq_points && !method_seq_points_to_file;
8897 emit_exception_debug_info (acfg, cfg, method_seq_points_to_binary);
8898 offsets [i] = cfg->ex_info_offset;
8900 if (method_seq_points_to_file) {
8901 if (!seq_points_to_file) {
8902 mono_seq_point_data_init (&sp_data, acfg->nmethods);
8903 seq_points_to_file = TRUE;
8905 mono_seq_point_data_add (&sp_data, cfg->method->token, cfg->method_index, cfg->seq_point_info);
8912 if (seq_points_to_file) {
8913 char *seq_points_aot_file = acfg->aot_opts.gen_seq_points_file_path ? acfg->aot_opts.gen_seq_points_file_path
8914 : g_strdup_printf("%s%s", acfg->image->name, SEQ_POINT_AOT_EXT);
8915 mono_seq_point_data_write (&sp_data, seq_points_aot_file);
8916 mono_seq_point_data_free (&sp_data);
8917 g_free (seq_points_aot_file);
8920 acfg->stats.offsets_size += emit_offset_table (acfg, "ex_info_offsets", MONO_AOT_TABLE_EX_INFO_OFFSETS, acfg->nmethods, 10, offsets);
8925 emit_unwind_info (MonoAotCompile *acfg)
8930 if (acfg->aot_opts.llvm_only) {
8931 g_assert (acfg->unwind_ops->len == 0);
8936 * The unwind info contains a lot of duplicates so we emit each unique
8937 * entry once, and only store the offset from the start of the table in the
8941 sprintf (symbol, "unwind_info");
8942 emit_section_change (acfg, RODATA_SECT, 1);
8943 emit_alignment (acfg, 8);
8944 emit_info_symbol (acfg, symbol);
8946 for (i = 0; i < acfg->unwind_ops->len; ++i) {
8947 guint32 index = GPOINTER_TO_UINT (g_ptr_array_index (acfg->unwind_ops, i));
8948 guint8 *unwind_info;
8949 guint32 unwind_info_len;
8953 unwind_info = mono_get_cached_unwind_info (index, &unwind_info_len);
8956 encode_value (unwind_info_len, p, &p);
8957 emit_bytes (acfg, buf, p - buf);
8958 emit_bytes (acfg, unwind_info, unwind_info_len);
8960 acfg->stats.unwind_info_size += (p - buf) + unwind_info_len;
8965 emit_class_info (MonoAotCompile *acfg)
8970 offsets = g_new0 (gint32, acfg->image->tables [MONO_TABLE_TYPEDEF].rows);
8971 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i)
8972 offsets [i] = emit_klass_info (acfg, MONO_TOKEN_TYPE_DEF | (i + 1));
8974 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);
8978 typedef struct ClassNameTableEntry {
8979 guint32 token, index;
8980 struct ClassNameTableEntry *next;
8981 } ClassNameTableEntry;
8984 emit_class_name_table (MonoAotCompile *acfg)
8986 int i, table_size, buf_size;
8987 guint32 token, hash;
8992 ClassNameTableEntry *entry, *new_entry;
8995 * Construct a chained hash table for mapping class names to typedef tokens.
8997 table_size = g_spaced_primes_closest ((int)(acfg->image->tables [MONO_TABLE_TYPEDEF].rows * 1.5));
8998 table = g_ptr_array_sized_new (table_size);
8999 for (i = 0; i < table_size; ++i)
9000 g_ptr_array_add (table, NULL);
9001 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
9003 token = MONO_TOKEN_TYPE_DEF | (i + 1);
9004 klass = mono_class_get_checked (acfg->image, token, &error);
9006 mono_error_cleanup (&error);
9009 full_name = mono_type_get_name_full (mono_class_get_type (klass), MONO_TYPE_NAME_FORMAT_FULL_NAME);
9010 hash = mono_metadata_str_hash (full_name) % table_size;
9013 /* FIXME: Allocate from the mempool */
9014 new_entry = g_new0 (ClassNameTableEntry, 1);
9015 new_entry->token = token;
9017 entry = (ClassNameTableEntry *)g_ptr_array_index (table, hash);
9018 if (entry == NULL) {
9019 new_entry->index = hash;
9020 g_ptr_array_index (table, hash) = new_entry;
9023 entry = entry->next;
9025 entry->next = new_entry;
9026 new_entry->index = table->len;
9027 g_ptr_array_add (table, new_entry);
9031 /* Emit the table */
9032 buf_size = table->len * 4 + 4;
9033 p = buf = (guint8 *)g_malloc0 (buf_size);
9035 /* FIXME: Optimize memory usage */
9036 g_assert (table_size < 65000);
9037 encode_int16 (table_size, p, &p);
9038 g_assert (table->len < 65000);
9039 for (i = 0; i < table->len; ++i) {
9040 ClassNameTableEntry *entry = (ClassNameTableEntry *)g_ptr_array_index (table, i);
9042 if (entry == NULL) {
9043 encode_int16 (0, p, &p);
9044 encode_int16 (0, p, &p);
9046 encode_int16 (mono_metadata_token_index (entry->token), p, &p);
9048 encode_int16 (entry->next->index, p, &p);
9050 encode_int16 (0, p, &p);
9054 g_assert (p - buf <= buf_size);
9055 g_ptr_array_free (table, TRUE);
9057 emit_aot_data (acfg, MONO_AOT_TABLE_CLASS_NAME, "class_name_table", buf, p - buf);
9063 emit_image_table (MonoAotCompile *acfg)
9069 * The image table is small but referenced in a lot of places.
9070 * So we emit it at once, and reference its elements by an index.
9072 buf_size = acfg->image_table->len * 28 + 4;
9073 for (i = 0; i < acfg->image_table->len; i++) {
9074 MonoImage *image = (MonoImage*)g_ptr_array_index (acfg->image_table, i);
9075 MonoAssemblyName *aname = &image->assembly->aname;
9077 buf_size += strlen (image->assembly_name) + strlen (image->guid) + (aname->culture ? strlen (aname->culture) : 1) + strlen ((char*)aname->public_key_token) + 4;
9080 buf = p = (guint8 *)g_malloc0 (buf_size);
9081 encode_int (acfg->image_table->len, p, &p);
9082 for (i = 0; i < acfg->image_table->len; i++) {
9083 MonoImage *image = (MonoImage*)g_ptr_array_index (acfg->image_table, i);
9084 MonoAssemblyName *aname = &image->assembly->aname;
9086 /* FIXME: Support multi-module assemblies */
9087 g_assert (image->assembly->image == image);
9089 encode_string (image->assembly_name, p, &p);
9090 encode_string (image->guid, p, &p);
9091 encode_string (aname->culture ? aname->culture : "", p, &p);
9092 encode_string ((const char*)aname->public_key_token, p, &p);
9094 while (GPOINTER_TO_UINT (p) % 8 != 0)
9097 encode_int (aname->flags, p, &p);
9098 encode_int (aname->major, p, &p);
9099 encode_int (aname->minor, p, &p);
9100 encode_int (aname->build, p, &p);
9101 encode_int (aname->revision, p, &p);
9103 g_assert (p - buf <= buf_size);
9105 emit_aot_data (acfg, MONO_AOT_TABLE_IMAGE_TABLE, "image_table", buf, p - buf);
9111 emit_got_info (MonoAotCompile *acfg, gboolean llvm)
9113 int i, first_plt_got_patch = 0, buf_size;
9115 guint32 *got_info_offsets;
9116 GotInfo *info = llvm ? &acfg->llvm_got_info : &acfg->got_info;
9118 /* Add the patches needed by the PLT to the GOT */
9120 acfg->plt_got_offset_base = acfg->got_offset;
9121 first_plt_got_patch = info->got_patches->len;
9122 for (i = 1; i < acfg->plt_offset; ++i) {
9123 MonoPltEntry *plt_entry = (MonoPltEntry *)g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
9125 g_ptr_array_add (info->got_patches, plt_entry->ji);
9127 acfg->stats.got_slot_types [plt_entry->ji->type] ++;
9130 acfg->got_offset += acfg->plt_offset;
9135 * - optimize offsets table.
9136 * - reduce number of exported symbols.
9137 * - emit info for a klass only once.
9138 * - determine when a method uses a GOT slot which is guaranteed to be already
9140 * - clean up and document the code.
9141 * - use String.Empty in class libs.
9144 /* Encode info required to decode shared GOT entries */
9145 buf_size = info->got_patches->len * 128;
9146 p = buf = (guint8 *)mono_mempool_alloc (acfg->mempool, buf_size);
9147 got_info_offsets = (guint32 *)mono_mempool_alloc (acfg->mempool, info->got_patches->len * sizeof (guint32));
9149 acfg->plt_got_info_offsets = (guint32 *)mono_mempool_alloc (acfg->mempool, acfg->plt_offset * sizeof (guint32));
9151 if (acfg->plt_offset)
9152 acfg->plt_got_info_offsets [0] = 0;
9154 for (i = 0; i < info->got_patches->len; ++i) {
9155 MonoJumpInfo *ji = (MonoJumpInfo *)g_ptr_array_index (info->got_patches, i);
9160 encode_value (ji->type, p, &p);
9162 encode_patch (acfg, ji, p, &p);
9163 acfg->stats.got_slot_info_sizes [ji->type] += p - p2;
9164 g_assert (p - buf <= buf_size);
9165 got_info_offsets [i] = add_to_blob (acfg, buf, p - buf);
9167 if (!llvm && i >= first_plt_got_patch)
9168 acfg->plt_got_info_offsets [i - first_plt_got_patch + 1] = got_info_offsets [i];
9169 acfg->stats.got_info_size += p - buf;
9172 /* Emit got_info_offsets table */
9174 /* No need to emit offsets for the got plt entries, the plt embeds them directly */
9175 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);
9179 emit_got (MonoAotCompile *acfg)
9181 char symbol [MAX_SYMBOL_SIZE];
9183 if (acfg->aot_opts.llvm_only)
9186 /* Don't make GOT global so accesses to it don't need relocations */
9187 sprintf (symbol, "%s", acfg->got_symbol);
9190 emit_unset_mode (acfg);
9191 fprintf (acfg->fp, ".section __DATA, __bss\n");
9192 emit_alignment (acfg, 8);
9194 emit_info_symbol (acfg, "jit_got");
9195 fprintf (acfg->fp, ".lcomm %s, %d\n", acfg->got_symbol, (int)(acfg->got_offset * sizeof (gpointer)));
9197 emit_section_change (acfg, ".bss", 0);
9198 emit_alignment (acfg, 8);
9199 emit_local_symbol (acfg, symbol, "got_end", FALSE);
9200 emit_label (acfg, symbol);
9202 emit_info_symbol (acfg, "jit_got");
9203 if (acfg->got_offset > 0)
9204 emit_zero_bytes (acfg, (int)(acfg->got_offset * sizeof (gpointer)));
9207 sprintf (symbol, "got_end");
9208 emit_label (acfg, symbol);
9211 typedef struct GlobalsTableEntry {
9212 guint32 value, index;
9213 struct GlobalsTableEntry *next;
9214 } GlobalsTableEntry;
9217 emit_globals (MonoAotCompile *acfg)
9223 GlobalsTableEntry *entry, *new_entry;
9225 if (!acfg->aot_opts.static_link)
9227 if (acfg->aot_opts.llvm_only) {
9228 g_assert (acfg->globals->len == 0);
9233 * When static linking, we emit a table containing our globals.
9237 * Construct a chained hash table for mapping global names to their index in
9238 * the globals table.
9240 table_size = g_spaced_primes_closest ((int)(acfg->globals->len * 1.5));
9241 table = g_ptr_array_sized_new (table_size);
9242 for (i = 0; i < table_size; ++i)
9243 g_ptr_array_add (table, NULL);
9244 for (i = 0; i < acfg->globals->len; ++i) {
9245 char *name = (char *)g_ptr_array_index (acfg->globals, i);
9247 hash = mono_metadata_str_hash (name) % table_size;
9249 /* FIXME: Allocate from the mempool */
9250 new_entry = g_new0 (GlobalsTableEntry, 1);
9251 new_entry->value = i;
9253 entry = (GlobalsTableEntry *)g_ptr_array_index (table, hash);
9254 if (entry == NULL) {
9255 new_entry->index = hash;
9256 g_ptr_array_index (table, hash) = new_entry;
9259 entry = entry->next;
9261 entry->next = new_entry;
9262 new_entry->index = table->len;
9263 g_ptr_array_add (table, new_entry);
9267 /* Emit the table */
9268 sprintf (symbol, ".Lglobals_hash");
9269 emit_section_change (acfg, RODATA_SECT, 0);
9270 emit_alignment (acfg, 8);
9271 emit_label (acfg, symbol);
9273 /* FIXME: Optimize memory usage */
9274 g_assert (table_size < 65000);
9275 emit_int16 (acfg, table_size);
9276 for (i = 0; i < table->len; ++i) {
9277 GlobalsTableEntry *entry = (GlobalsTableEntry *)g_ptr_array_index (table, i);
9279 if (entry == NULL) {
9280 emit_int16 (acfg, 0);
9281 emit_int16 (acfg, 0);
9283 emit_int16 (acfg, entry->value + 1);
9285 emit_int16 (acfg, entry->next->index);
9287 emit_int16 (acfg, 0);
9291 /* Emit the names */
9292 for (i = 0; i < acfg->globals->len; ++i) {
9293 char *name = (char *)g_ptr_array_index (acfg->globals, i);
9295 sprintf (symbol, "name_%d", i);
9296 emit_section_change (acfg, RODATA_SECT, 1);
9298 emit_alignment (acfg, 4);
9300 emit_label (acfg, symbol);
9301 emit_string (acfg, name);
9304 /* Emit the globals table */
9305 sprintf (symbol, "globals");
9306 emit_section_change (acfg, ".data", 0);
9307 /* This is not a global, since it is accessed by the init function */
9308 emit_alignment (acfg, 8);
9309 emit_info_symbol (acfg, symbol);
9311 sprintf (symbol, "%sglobals_hash", acfg->temp_prefix);
9312 emit_pointer (acfg, symbol);
9314 for (i = 0; i < acfg->globals->len; ++i) {
9315 char *name = (char *)g_ptr_array_index (acfg->globals, i);
9317 sprintf (symbol, "name_%d", i);
9318 emit_pointer (acfg, symbol);
9320 g_assert (strlen (name) < sizeof (symbol));
9321 sprintf (symbol, "%s", name);
9322 emit_pointer (acfg, symbol);
9324 /* Null terminate the table */
9325 emit_int32 (acfg, 0);
9326 emit_int32 (acfg, 0);
9330 emit_mem_end (MonoAotCompile *acfg)
9334 if (acfg->aot_opts.llvm_only)
9337 sprintf (symbol, "mem_end");
9338 emit_section_change (acfg, ".text", 1);
9339 emit_alignment_code (acfg, 8);
9340 emit_label (acfg, symbol);
9344 init_aot_file_info (MonoAotCompile *acfg, MonoAotFileInfo *info)
9348 info->version = MONO_AOT_FILE_VERSION;
9349 info->plt_got_offset_base = acfg->plt_got_offset_base;
9350 info->got_size = acfg->got_offset * sizeof (gpointer);
9351 info->plt_size = acfg->plt_offset;
9352 info->nmethods = acfg->nmethods;
9353 info->flags = acfg->flags;
9354 info->opts = acfg->opts;
9355 info->simd_opts = acfg->simd_opts;
9356 info->gc_name_index = acfg->gc_name_offset;
9357 info->datafile_size = acfg->datafile_offset;
9358 for (i = 0; i < MONO_AOT_TABLE_NUM; ++i)
9359 info->table_offsets [i] = acfg->table_offsets [i];
9360 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9361 info->num_trampolines [i] = acfg->num_trampolines [i];
9362 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9363 info->trampoline_got_offset_base [i] = acfg->trampoline_got_offset_base [i];
9364 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9365 info->trampoline_size [i] = acfg->trampoline_size [i];
9366 info->num_rgctx_fetch_trampolines = acfg->aot_opts.nrgctx_fetch_trampolines;
9368 info->double_align = MONO_ABI_ALIGNOF (double);
9369 info->long_align = MONO_ABI_ALIGNOF (gint64);
9370 info->generic_tramp_num = MONO_TRAMPOLINE_NUM;
9371 info->tramp_page_size = acfg->tramp_page_size;
9372 info->nshared_got_entries = acfg->nshared_got_entries;
9373 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9374 info->tramp_page_code_offsets [i] = acfg->tramp_page_code_offsets [i];
9378 emit_aot_file_info (MonoAotCompile *acfg, MonoAotFileInfo *info)
9380 char symbol [MAX_SYMBOL_SIZE];
9382 const char **symbols;
9384 symbols = g_new0 (const char *, MONO_AOT_FILE_INFO_NUM_SYMBOLS);
9386 symbols [sindex ++] = acfg->got_symbol;
9388 symbols [sindex ++] = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, acfg->llvm_got_symbol);
9389 symbols [sindex ++] = acfg->llvm_eh_frame_symbol;
9391 symbols [sindex ++] = NULL;
9392 symbols [sindex ++] = NULL;
9394 /* llvm_get_method */
9395 symbols [sindex ++] = NULL;
9396 /* llvm_get_unbox_tramp */
9397 symbols [sindex ++] = NULL;
9398 if (!acfg->aot_opts.llvm_only) {
9399 symbols [sindex ++] = "jit_code_start";
9400 symbols [sindex ++] = "jit_code_end";
9401 symbols [sindex ++] = "method_addresses";
9403 symbols [sindex ++] = NULL;
9404 symbols [sindex ++] = NULL;
9405 symbols [sindex ++] = NULL;
9407 if (acfg->data_outfile) {
9408 for (i = 0; i < MONO_AOT_TABLE_NUM; ++i)
9409 symbols [sindex ++] = NULL;
9411 symbols [sindex ++] = "blob";
9412 symbols [sindex ++] = "class_name_table";
9413 symbols [sindex ++] = "class_info_offsets";
9414 symbols [sindex ++] = "method_info_offsets";
9415 symbols [sindex ++] = "ex_info_offsets";
9416 symbols [sindex ++] = "extra_method_info_offsets";
9417 symbols [sindex ++] = "extra_method_table";
9418 symbols [sindex ++] = "got_info_offsets";
9420 symbols [sindex ++] = "llvm_got_info_offsets";
9422 symbols [sindex ++] = NULL;
9423 symbols [sindex ++] = "image_table";
9425 symbols [sindex ++] = "mem_end";
9426 symbols [sindex ++] = "assembly_guid";
9427 symbols [sindex ++] = "runtime_version";
9428 if (acfg->num_trampoline_got_entries) {
9429 symbols [sindex ++] = "specific_trampolines";
9430 symbols [sindex ++] = "static_rgctx_trampolines";
9431 symbols [sindex ++] = "imt_thunks";
9432 symbols [sindex ++] = "gsharedvt_arg_trampolines";
9434 symbols [sindex ++] = NULL;
9435 symbols [sindex ++] = NULL;
9436 symbols [sindex ++] = NULL;
9437 symbols [sindex ++] = NULL;
9439 if (acfg->aot_opts.static_link) {
9440 symbols [sindex ++] = "globals";
9442 symbols [sindex ++] = NULL;
9444 symbols [sindex ++] = "assembly_name";
9445 symbols [sindex ++] = "plt";
9446 symbols [sindex ++] = "plt_end";
9447 symbols [sindex ++] = "unwind_info";
9448 if (!acfg->aot_opts.llvm_only) {
9449 symbols [sindex ++] = "unbox_trampolines";
9450 symbols [sindex ++] = "unbox_trampolines_end";
9451 symbols [sindex ++] = "unbox_trampoline_addresses";
9453 symbols [sindex ++] = NULL;
9454 symbols [sindex ++] = NULL;
9455 symbols [sindex ++] = NULL;
9458 g_assert (sindex == MONO_AOT_FILE_INFO_NUM_SYMBOLS);
9460 sprintf (symbol, "%smono_aot_file_info", acfg->user_symbol_prefix);
9461 emit_section_change (acfg, ".data", 0);
9462 emit_alignment (acfg, 8);
9463 emit_label (acfg, symbol);
9464 if (!acfg->aot_opts.static_link)
9465 emit_global (acfg, symbol, FALSE);
9467 /* The data emitted here must match MonoAotFileInfo. */
9469 emit_int32 (acfg, info->version);
9470 emit_int32 (acfg, info->dummy);
9473 * We emit pointers to our data structures instead of emitting global symbols which
9474 * point to them, to reduce the number of globals, and because using globals leads to
9475 * various problems (i.e. arm/thumb).
9477 for (i = 0; i < MONO_AOT_FILE_INFO_NUM_SYMBOLS; ++i)
9478 emit_pointer (acfg, symbols [i]);
9480 emit_int32 (acfg, info->plt_got_offset_base);
9481 emit_int32 (acfg, info->got_size);
9482 emit_int32 (acfg, info->plt_size);
9483 emit_int32 (acfg, info->nmethods);
9484 emit_int32 (acfg, info->flags);
9485 emit_int32 (acfg, info->opts);
9486 emit_int32 (acfg, info->simd_opts);
9487 emit_int32 (acfg, info->gc_name_index);
9488 emit_int32 (acfg, info->num_rgctx_fetch_trampolines);
9489 emit_int32 (acfg, info->double_align);
9490 emit_int32 (acfg, info->long_align);
9491 emit_int32 (acfg, info->generic_tramp_num);
9492 emit_int32 (acfg, info->tramp_page_size);
9493 emit_int32 (acfg, info->nshared_got_entries);
9494 emit_int32 (acfg, info->datafile_size);
9496 for (i = 0; i < MONO_AOT_TABLE_NUM; ++i)
9497 emit_int32 (acfg, info->table_offsets [i]);
9498 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9499 emit_int32 (acfg, info->num_trampolines [i]);
9500 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9501 emit_int32 (acfg, info->trampoline_got_offset_base [i]);
9502 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9503 emit_int32 (acfg, info->trampoline_size [i]);
9504 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
9505 emit_int32 (acfg, info->tramp_page_code_offsets [i]);
9507 if (acfg->aot_opts.static_link) {
9508 emit_global_inner (acfg, acfg->static_linking_symbol, FALSE);
9509 emit_alignment (acfg, sizeof (gpointer));
9510 emit_label (acfg, acfg->static_linking_symbol);
9511 emit_pointer_2 (acfg, acfg->user_symbol_prefix, "mono_aot_file_info");
9516 * Emit a structure containing all the information not stored elsewhere.
9519 emit_file_info (MonoAotCompile *acfg)
9522 MonoAotFileInfo *info;
9524 if (acfg->aot_opts.bind_to_runtime_version) {
9525 build_info = mono_get_runtime_build_info ();
9526 emit_string_symbol (acfg, "runtime_version", build_info);
9527 g_free (build_info);
9529 emit_string_symbol (acfg, "runtime_version", "");
9532 emit_string_symbol (acfg, "assembly_guid" , acfg->image->guid);
9534 /* Emit a string holding the assembly name */
9535 emit_string_symbol (acfg, "assembly_name", acfg->image->assembly->aname.name);
9537 info = g_new0 (MonoAotFileInfo, 1);
9538 init_aot_file_info (acfg, info);
9540 if (acfg->aot_opts.static_link) {
9541 char symbol [MAX_SYMBOL_SIZE];
9545 * Emit a global symbol which can be passed by an embedding app to
9546 * mono_aot_register_module (). The symbol points to a pointer to the the file info
9549 sprintf (symbol, "%smono_aot_module_%s_info", acfg->user_symbol_prefix, acfg->image->assembly->aname.name);
9551 /* Get rid of characters which cannot occur in symbols */
9553 for (p = symbol; *p; ++p) {
9554 if (!(isalnum (*p) || *p == '_'))
9557 acfg->static_linking_symbol = g_strdup (symbol);
9561 mono_llvm_emit_aot_file_info (info, acfg->has_jitted_code);
9563 emit_aot_file_info (acfg, info);
9567 emit_blob (MonoAotCompile *acfg)
9569 acfg->blob_closed = TRUE;
9571 emit_aot_data (acfg, MONO_AOT_TABLE_BLOB, "blob", (guint8*)acfg->blob.data, acfg->blob.index);
9575 emit_objc_selectors (MonoAotCompile *acfg)
9580 if (!acfg->objc_selectors || acfg->objc_selectors->len == 0)
9585 * cat > foo.m << EOF
9588 * return @selector(print:);
9593 mono_img_writer_emit_unset_mode (acfg->w);
9594 g_assert (acfg->fp);
9595 fprintf (acfg->fp, ".section __DATA,__objc_selrefs,literal_pointers,no_dead_strip\n");
9596 fprintf (acfg->fp, ".align 3\n");
9597 for (i = 0; i < acfg->objc_selectors->len; ++i) {
9598 sprintf (symbol, "L_OBJC_SELECTOR_REFERENCES_%d", i);
9599 emit_label (acfg, symbol);
9600 sprintf (symbol, "L_OBJC_METH_VAR_NAME_%d", i);
9601 emit_pointer (acfg, symbol);
9604 fprintf (acfg->fp, ".section __TEXT,__cstring,cstring_literals\n");
9605 for (i = 0; i < acfg->objc_selectors->len; ++i) {
9606 fprintf (acfg->fp, "L_OBJC_METH_VAR_NAME_%d:\n", i);
9607 fprintf (acfg->fp, ".asciz \"%s\"\n", (char*)g_ptr_array_index (acfg->objc_selectors, i));
9610 fprintf (acfg->fp, ".section __DATA,__objc_imageinfo,regular,no_dead_strip\n");
9611 fprintf (acfg->fp, ".align 3\n");
9612 fprintf (acfg->fp, "L_OBJC_IMAGE_INFO:\n");
9613 fprintf (acfg->fp, ".long 0\n");
9614 fprintf (acfg->fp, ".long 16\n");
9618 emit_dwarf_info (MonoAotCompile *acfg)
9620 #ifdef EMIT_DWARF_INFO
9624 /* DIEs for methods */
9625 for (i = 0; i < acfg->nmethods; ++i) {
9626 MonoCompile *cfg = acfg->cfgs [i];
9631 // FIXME: LLVM doesn't define .Lme_...
9632 if (cfg->compile_llvm)
9635 sprintf (symbol2, "%sme_%x", acfg->temp_prefix, i);
9637 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 ()));
9643 collect_methods (MonoAotCompile *acfg)
9646 MonoImage *image = acfg->image;
9648 /* Collect methods */
9649 for (i = 0; i < image->tables [MONO_TABLE_METHOD].rows; ++i) {
9652 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
9654 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
9657 aot_printerrf (acfg, "Failed to load method 0x%x from '%s' due to %s.\n", token, image->name, mono_error_get_message (&error));
9658 aot_printerrf (acfg, "Run with MONO_LOG_LEVEL=debug for more information.\n");
9659 mono_error_cleanup (&error);
9663 /* Load all methods eagerly to skip the slower lazy loading code */
9664 mono_class_setup_methods (method->klass);
9666 if (mono_aot_mode_is_full (&acfg->aot_opts) && method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
9667 /* Compile the wrapper instead */
9668 /* We do this here instead of add_wrappers () because it is easy to do it here */
9669 MonoMethod *wrapper = mono_marshal_get_native_wrapper (method, TRUE, TRUE);
9673 /* FIXME: Some mscorlib methods don't have debug info */
9675 if (acfg->aot_opts.soft_debug && !method->wrapper_type) {
9676 if (!((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
9677 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
9678 (method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
9679 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL))) {
9680 if (!mono_debug_lookup_method (method)) {
9681 fprintf (stderr, "Method %s has no debug info, probably the .mdb file for the assembly is missing.\n", mono_method_get_full_name (method));
9688 if (method->is_generic || method->klass->generic_container)
9689 /* Compile the ref shared version instead */
9690 method = mini_get_shared_method (method);
9692 /* Since we add the normal methods first, their index will be equal to their zero based token index */
9693 add_method_with_index (acfg, method, i, FALSE);
9694 acfg->method_index ++;
9697 /* gsharedvt methods */
9698 for (mindex = 0; mindex < image->tables [MONO_TABLE_METHOD].rows; ++mindex) {
9701 guint32 token = MONO_TOKEN_METHOD_DEF | (mindex + 1);
9703 if (!(acfg->opts & MONO_OPT_GSHAREDVT))
9706 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
9707 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
9709 if (method->is_generic || method->klass->generic_container) {
9710 MonoMethod *gshared;
9712 gshared = mini_get_shared_method_full (method, TRUE, TRUE);
9713 add_extra_method (acfg, gshared);
9717 add_generic_instances (acfg);
9719 if (mono_aot_mode_is_full (&acfg->aot_opts))
9720 add_wrappers (acfg);
9725 compile_methods (MonoAotCompile *acfg)
9729 if (acfg->aot_opts.nthreads > 0) {
9734 gpointer *user_data;
9735 MonoMethod **methods;
9738 methods_len = acfg->methods->len;
9740 len = acfg->methods->len / acfg->aot_opts.nthreads;
9743 * Partition the list of methods into fragments, and hand it to threads to
9746 threads = g_ptr_array_new ();
9747 /* Make a copy since acfg->methods is modified by compile_method () */
9748 methods = g_new0 (MonoMethod*, methods_len);
9749 //memcpy (methods, g_ptr_array_index (acfg->methods, 0), sizeof (MonoMethod*) * methods_len);
9750 for (i = 0; i < methods_len; ++i)
9751 methods [i] = (MonoMethod *)g_ptr_array_index (acfg->methods, i);
9753 while (i < methods_len) {
9754 frag = g_ptr_array_new ();
9755 for (j = 0; j < len; ++j) {
9756 if (i < methods_len) {
9757 g_ptr_array_add (frag, methods [i]);
9762 user_data = g_new0 (gpointer, 3);
9763 user_data [0] = mono_domain_get ();
9764 user_data [1] = acfg;
9765 user_data [2] = frag;
9769 tp.creation_flags = 0;
9770 handle = mono_threads_create_thread ((LPTHREAD_START_ROUTINE)compile_thread_main, user_data, &tp, NULL);
9771 g_ptr_array_add (threads, handle);
9775 for (i = 0; i < threads->len; ++i) {
9776 WaitForSingleObjectEx (g_ptr_array_index (threads, i), INFINITE, FALSE);
9782 /* Compile methods added by compile_method () or all methods if nthreads == 0 */
9783 for (i = methods_len; i < acfg->methods->len; ++i) {
9784 /* This can new methods to acfg->methods */
9785 compile_method (acfg, (MonoMethod *)g_ptr_array_index (acfg->methods, i));
9790 compile_asm (MonoAotCompile *acfg)
9792 char *command, *objfile;
9793 char *outfile_name, *tmp_outfile_name, *llvm_ofile;
9794 const char *tool_prefix = acfg->aot_opts.tool_prefix ? acfg->aot_opts.tool_prefix : "";
9795 char *ld_flags = acfg->aot_opts.ld_flags ? acfg->aot_opts.ld_flags : g_strdup("");
9797 #if defined(TARGET_AMD64) && !defined(TARGET_MACH)
9798 #define AS_OPTIONS "--64"
9799 #elif defined(TARGET_POWERPC64)
9800 #define AS_OPTIONS "-a64 -mppc64"
9801 #elif defined(sparc) && SIZEOF_VOID_P == 8
9802 #define AS_OPTIONS "-xarch=v9"
9803 #elif defined(TARGET_X86) && defined(TARGET_MACH) && !defined(__native_client_codegen__)
9804 #define AS_OPTIONS "-arch i386"
9806 #define AS_OPTIONS ""
9809 #ifdef __native_client_codegen__
9810 #if defined(TARGET_AMD64)
9811 #define AS_NAME "nacl64-as"
9813 #define AS_NAME "nacl-as"
9815 #elif defined(TARGET_OSX)
9816 #define AS_NAME "clang"
9818 #define AS_NAME "as"
9822 #define LD_NAME "ld"
9823 #define LD_OPTIONS "-shared -G"
9824 #elif defined(__ppc__) && defined(TARGET_MACH)
9825 #define LD_NAME "gcc"
9826 #define LD_OPTIONS "-dynamiclib"
9827 #elif defined(TARGET_AMD64) && defined(TARGET_MACH)
9828 #define LD_NAME "clang"
9829 #define LD_OPTIONS "--shared"
9830 #elif defined(TARGET_WIN32) && !defined(TARGET_ANDROID)
9831 #define LD_NAME "gcc"
9832 #define LD_OPTIONS "-shared"
9833 #elif defined(TARGET_X86) && defined(TARGET_MACH) && !defined(__native_client_codegen__)
9834 #define LD_NAME "clang"
9835 #define LD_OPTIONS "-m32 -dynamiclib"
9836 #elif defined(TARGET_ARM) && !defined(TARGET_ANDROID)
9837 #define LD_NAME "gcc"
9838 #define LD_OPTIONS "--shared"
9839 #elif defined(TARGET_POWERPC64)
9840 #define LD_OPTIONS "-m elf64ppc"
9844 #define LD_OPTIONS ""
9847 if (acfg->aot_opts.asm_only) {
9848 aot_printf (acfg, "Output file: '%s'.\n", acfg->tmpfname);
9849 if (acfg->aot_opts.static_link)
9850 aot_printf (acfg, "Linking symbol: '%s'.\n", acfg->static_linking_symbol);
9852 aot_printf (acfg, "LLVM output file: '%s'.\n", acfg->llvm_sfile);
9856 if (acfg->aot_opts.static_link) {
9857 if (acfg->aot_opts.outfile)
9858 objfile = g_strdup_printf ("%s", acfg->aot_opts.outfile);
9860 objfile = g_strdup_printf ("%s.o", acfg->image->name);
9862 objfile = g_strdup_printf ("%s.o", acfg->tmpfname);
9866 g_string_append (acfg->as_args, "-c -x assembler");
9869 command = g_strdup_printf ("\"%s%s\" %s %s -o %s %s", tool_prefix, AS_NAME, AS_OPTIONS,
9870 acfg->as_args ? acfg->as_args->str : "",
9871 wrap_path (objfile), wrap_path (acfg->tmpfname));
9872 aot_printf (acfg, "Executing the native assembler: %s\n", command);
9873 if (execute_system (command) != 0) {
9879 if (acfg->llvm && !acfg->llvm_owriter) {
9880 command = g_strdup_printf ("\"%s%s\" %s %s -o %s %s", tool_prefix, AS_NAME, AS_OPTIONS,
9881 acfg->as_args ? acfg->as_args->str : "",
9882 wrap_path (acfg->llvm_ofile), wrap_path (acfg->llvm_sfile));
9883 aot_printf (acfg, "Executing the native assembler: %s\n", command);
9884 if (execute_system (command) != 0) {
9893 if (acfg->aot_opts.static_link) {
9894 aot_printf (acfg, "Output file: '%s'.\n", objfile);
9895 aot_printf (acfg, "Linking symbol: '%s'.\n", acfg->static_linking_symbol);
9900 if (acfg->aot_opts.outfile)
9901 outfile_name = g_strdup_printf ("%s", acfg->aot_opts.outfile);
9903 outfile_name = g_strdup_printf ("%s%s", acfg->image->name, MONO_SOLIB_EXT);
9905 tmp_outfile_name = g_strdup_printf ("%s.tmp", outfile_name);
9908 llvm_ofile = g_strdup_printf ("\"%s\"", acfg->llvm_ofile);
9910 llvm_ofile = g_strdup ("");
9913 /* replace the ; flags separators with spaces */
9914 g_strdelimit (ld_flags, ";", ' ');
9916 if (acfg->aot_opts.llvm_only)
9917 ld_flags = g_strdup_printf ("%s %s", ld_flags, "-lstdc++");
9920 command = g_strdup_printf ("%s%s %s -o %s %s %s %s", tool_prefix, LD_NAME, LD_OPTIONS,
9921 wrap_path (tmp_outfile_name), wrap_path (llvm_ofile),
9922 wrap_path (g_strdup_printf ("%s.o", acfg->tmpfname)), ld_flags);
9925 command = g_strdup_printf ("\"%sld\" %s -shared -o %s %s %s %s", tool_prefix, LD_OPTIONS,
9926 wrap_path (tmp_outfile_name), wrap_path (llvm_ofile),
9927 wrap_path (g_strdup_printf ("%s.o", acfg->tmpfname)), ld_flags);
9929 aot_printf (acfg, "Executing the native linker: %s\n", command);
9930 if (execute_system (command) != 0) {
9931 g_free (tmp_outfile_name);
9932 g_free (outfile_name);
9941 /*com = g_strdup_printf ("strip --strip-unneeded %s%s", acfg->image->name, MONO_SOLIB_EXT);
9942 printf ("Stripping the binary: %s\n", com);
9943 execute_system (com);
9946 #if defined(TARGET_ARM) && !defined(TARGET_MACH)
9948 * gas generates 'mapping symbols' each time code and data is mixed, which
9949 * happens a lot in emit_and_reloc_code (), so we need to get rid of them.
9951 command = g_strdup_printf ("\"%sstrip\" --strip-symbol=\\$a --strip-symbol=\\$d %s", tool_prefix, tmp_outfile_name);
9952 aot_printf (acfg, "Stripping the binary: %s\n", command);
9953 if (execute_system (command) != 0) {
9954 g_free (tmp_outfile_name);
9955 g_free (outfile_name);
9962 if (0 != rename (tmp_outfile_name, outfile_name)) {
9963 if (G_FILE_ERROR_EXIST == g_file_error_from_errno (errno)) {
9964 /* Since we are rebuilding the module we need to be able to replace any old copies. Remove old file and retry rename operation. */
9965 unlink (outfile_name);
9966 rename (tmp_outfile_name, outfile_name);
9970 #if defined(TARGET_MACH)
9971 command = g_strdup_printf ("dsymutil \"%s\"", outfile_name);
9972 aot_printf (acfg, "Executing dsymutil: %s\n", command);
9973 if (execute_system (command) != 0) {
9978 if (!acfg->aot_opts.save_temps)
9981 g_free (tmp_outfile_name);
9982 g_free (outfile_name);
9985 if (acfg->aot_opts.save_temps)
9986 aot_printf (acfg, "Retained input file.\n");
9988 unlink (acfg->tmpfname);
9993 static void init_got_info (GotInfo *info)
9997 info->patch_to_got_offset = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
9998 info->patch_to_got_offset_by_type = g_new0 (GHashTable*, MONO_PATCH_INFO_NUM);
9999 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i)
10000 info->patch_to_got_offset_by_type [i] = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
10001 info->got_patches = g_ptr_array_new ();
10004 static MonoAotCompile*
10005 acfg_create (MonoAssembly *ass, guint32 opts)
10007 MonoImage *image = ass->image;
10008 MonoAotCompile *acfg;
10010 acfg = g_new0 (MonoAotCompile, 1);
10011 acfg->methods = g_ptr_array_new ();
10012 acfg->method_indexes = g_hash_table_new (NULL, NULL);
10013 acfg->method_depth = g_hash_table_new (NULL, NULL);
10014 acfg->plt_offset_to_entry = g_hash_table_new (NULL, NULL);
10015 acfg->patch_to_plt_entry = g_new0 (GHashTable*, MONO_PATCH_INFO_NUM);
10016 acfg->method_to_cfg = g_hash_table_new (NULL, NULL);
10017 acfg->token_info_hash = g_hash_table_new_full (NULL, NULL, NULL, NULL);
10018 acfg->method_to_pinvoke_import = g_hash_table_new_full (NULL, NULL, NULL, g_free);
10019 acfg->image_hash = g_hash_table_new (NULL, NULL);
10020 acfg->image_table = g_ptr_array_new ();
10021 acfg->globals = g_ptr_array_new ();
10022 acfg->image = image;
10024 /* TODO: Write out set of SIMD instructions used, rather than just those available */
10025 acfg->simd_opts = mono_arch_cpu_enumerate_simd_versions ();
10026 acfg->mempool = mono_mempool_new ();
10027 acfg->extra_methods = g_ptr_array_new ();
10028 acfg->unwind_info_offsets = g_hash_table_new (NULL, NULL);
10029 acfg->unwind_ops = g_ptr_array_new ();
10030 acfg->method_label_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
10031 acfg->method_order = g_ptr_array_new ();
10032 acfg->export_names = g_hash_table_new (NULL, NULL);
10033 acfg->klass_blob_hash = g_hash_table_new (NULL, NULL);
10034 acfg->method_blob_hash = g_hash_table_new (NULL, NULL);
10035 acfg->plt_entry_debug_sym_cache = g_hash_table_new (g_str_hash, g_str_equal);
10036 acfg->gsharedvt_in_signatures = g_hash_table_new ((GHashFunc)mono_signature_hash, (GEqualFunc)mono_metadata_signature_equal);
10037 acfg->gsharedvt_out_signatures = g_hash_table_new ((GHashFunc)mono_signature_hash, (GEqualFunc)mono_metadata_signature_equal);
10038 mono_os_mutex_init_recursive (&acfg->mutex);
10040 init_got_info (&acfg->got_info);
10041 init_got_info (&acfg->llvm_got_info);
10047 got_info_free (GotInfo *info)
10051 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i)
10052 g_hash_table_destroy (info->patch_to_got_offset_by_type [i]);
10053 g_free (info->patch_to_got_offset_by_type);
10054 g_hash_table_destroy (info->patch_to_got_offset);
10055 g_ptr_array_free (info->got_patches, TRUE);
10059 acfg_free (MonoAotCompile *acfg)
10063 mono_img_writer_destroy (acfg->w);
10064 for (i = 0; i < acfg->nmethods; ++i)
10065 if (acfg->cfgs [i])
10066 mono_destroy_compile (acfg->cfgs [i]);
10068 g_free (acfg->cfgs);
10070 g_free (acfg->static_linking_symbol);
10071 g_free (acfg->got_symbol);
10072 g_free (acfg->plt_symbol);
10073 g_ptr_array_free (acfg->methods, TRUE);
10074 g_ptr_array_free (acfg->image_table, TRUE);
10075 g_ptr_array_free (acfg->globals, TRUE);
10076 g_ptr_array_free (acfg->unwind_ops, TRUE);
10077 g_hash_table_destroy (acfg->method_indexes);
10078 g_hash_table_destroy (acfg->method_depth);
10079 g_hash_table_destroy (acfg->plt_offset_to_entry);
10080 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i) {
10081 if (acfg->patch_to_plt_entry [i])
10082 g_hash_table_destroy (acfg->patch_to_plt_entry [i]);
10084 g_free (acfg->patch_to_plt_entry);
10085 g_hash_table_destroy (acfg->method_to_cfg);
10086 g_hash_table_destroy (acfg->token_info_hash);
10087 g_hash_table_destroy (acfg->method_to_pinvoke_import);
10088 g_hash_table_destroy (acfg->image_hash);
10089 g_hash_table_destroy (acfg->unwind_info_offsets);
10090 g_hash_table_destroy (acfg->method_label_hash);
10091 if (acfg->typespec_classes)
10092 g_hash_table_destroy (acfg->typespec_classes);
10093 g_hash_table_destroy (acfg->export_names);
10094 g_hash_table_destroy (acfg->plt_entry_debug_sym_cache);
10095 g_hash_table_destroy (acfg->klass_blob_hash);
10096 g_hash_table_destroy (acfg->method_blob_hash);
10097 got_info_free (&acfg->got_info);
10098 got_info_free (&acfg->llvm_got_info);
10099 mono_mempool_destroy (acfg->mempool);
10103 #define WRAPPER(e,n) n,
10104 static const char* const
10105 wrapper_type_names [MONO_WRAPPER_NUM + 1] = {
10106 #include "mono/metadata/wrapper-types.h"
10110 static G_GNUC_UNUSED const char*
10111 get_wrapper_type_name (int type)
10113 return wrapper_type_names [type];
10119 static void aot_dump (MonoAotCompile *acfg)
10125 mono_json_writer_init (&writer);
10127 mono_json_writer_object_begin(&writer);
10130 mono_json_writer_indent (&writer);
10131 mono_json_writer_object_key(&writer, "methods");
10132 mono_json_writer_array_begin (&writer);
10135 for (i = 0; i < acfg->nmethods; ++i) {
10137 MonoMethod *method;
10140 cfg = acfg->cfgs [i];
10144 method = cfg->orig_method;
10146 mono_json_writer_indent (&writer);
10147 mono_json_writer_object_begin(&writer);
10149 mono_json_writer_indent (&writer);
10150 mono_json_writer_object_key(&writer, "name");
10151 mono_json_writer_printf (&writer, "\"%s\",\n", method->name);
10153 mono_json_writer_indent (&writer);
10154 mono_json_writer_object_key(&writer, "signature");
10155 mono_json_writer_printf (&writer, "\"%s\",\n", mono_method_get_full_name (method));
10157 mono_json_writer_indent (&writer);
10158 mono_json_writer_object_key(&writer, "code_size");
10159 mono_json_writer_printf (&writer, "\"%d\",\n", cfg->code_size);
10161 klass = method->klass;
10163 mono_json_writer_indent (&writer);
10164 mono_json_writer_object_key(&writer, "class");
10165 mono_json_writer_printf (&writer, "\"%s\",\n", klass->name);
10167 mono_json_writer_indent (&writer);
10168 mono_json_writer_object_key(&writer, "namespace");
10169 mono_json_writer_printf (&writer, "\"%s\",\n", klass->name_space);
10171 mono_json_writer_indent (&writer);
10172 mono_json_writer_object_key(&writer, "wrapper_type");
10173 mono_json_writer_printf (&writer, "\"%s\",\n", get_wrapper_type_name(method->wrapper_type));
10175 mono_json_writer_indent_pop (&writer);
10176 mono_json_writer_indent (&writer);
10177 mono_json_writer_object_end (&writer);
10178 mono_json_writer_printf (&writer, ",\n");
10181 mono_json_writer_indent_pop (&writer);
10182 mono_json_writer_indent (&writer);
10183 mono_json_writer_array_end (&writer);
10184 mono_json_writer_printf (&writer, ",\n");
10188 mono_json_writer_indent_push (&writer);
10189 mono_json_writer_indent (&writer);
10190 mono_json_writer_object_key(&writer, "plt");
10191 mono_json_writer_array_begin (&writer);
10193 for (i = 0; i < acfg->plt_offset; ++i) {
10194 MonoPltEntry *plt_entry = NULL;
10199 * The first plt entry is unused.
10203 plt_entry = g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
10204 ji = plt_entry->ji;
10206 mono_json_writer_indent (&writer);
10207 mono_json_writer_printf (&writer, "{ ");
10208 mono_json_writer_object_key(&writer, "symbol");
10209 mono_json_writer_printf (&writer, "\"%s\" },\n", plt_entry->symbol);
10212 mono_json_writer_indent_pop (&writer);
10213 mono_json_writer_indent (&writer);
10214 mono_json_writer_array_end (&writer);
10215 mono_json_writer_printf (&writer, ",\n");
10220 mono_json_writer_indent_push (&writer);
10221 mono_json_writer_indent (&writer);
10222 mono_json_writer_object_key(&writer, "got");
10223 mono_json_writer_array_begin (&writer);
10225 mono_json_writer_indent_push (&writer);
10226 for (i = 0; i < acfg->got_info.got_patches->len; ++i) {
10227 MonoJumpInfo *ji = g_ptr_array_index (acfg->got_info.got_patches, i);
10229 mono_json_writer_indent (&writer);
10230 mono_json_writer_printf (&writer, "{ ");
10231 mono_json_writer_object_key(&writer, "patch_name");
10232 mono_json_writer_printf (&writer, "\"%s\" },\n", get_patch_name (ji->type));
10235 mono_json_writer_indent_pop (&writer);
10236 mono_json_writer_indent (&writer);
10237 mono_json_writer_array_end (&writer);
10238 mono_json_writer_printf (&writer, ",\n");
10241 mono_json_writer_indent_pop (&writer);
10242 mono_json_writer_indent (&writer);
10243 mono_json_writer_object_end (&writer);
10245 dumpname = g_strdup_printf ("%s.json", g_path_get_basename (acfg->image->name));
10246 dumpfile = fopen (dumpname, "w+");
10249 fprintf (dumpfile, "%s", writer.text->str);
10252 mono_json_writer_destroy (&writer);
10255 static const char *preinited_jit_icalls[] = {
10256 "mono_aot_init_llvm_method",
10257 "mono_aot_init_gshared_method_this",
10258 "mono_aot_init_gshared_method_mrgctx",
10259 "mono_aot_init_gshared_method_vtable",
10260 "mono_llvm_throw_corlib_exception",
10261 "mono_init_vtable_slot",
10262 "mono_helper_ldstr_mscorlib"
10266 add_preinit_got_slots (MonoAotCompile *acfg)
10272 * Allocate the first few GOT entries to information which is needed frequently, or it is needed
10273 * during method initialization etc.
10276 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10277 ji->type = MONO_PATCH_INFO_IMAGE;
10278 ji->data.image = acfg->image;
10279 get_got_offset (acfg, FALSE, ji);
10280 get_got_offset (acfg, TRUE, ji);
10282 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10283 ji->type = MONO_PATCH_INFO_MSCORLIB_GOT_ADDR;
10284 get_got_offset (acfg, FALSE, ji);
10285 get_got_offset (acfg, TRUE, ji);
10287 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10288 ji->type = MONO_PATCH_INFO_GC_CARD_TABLE_ADDR;
10289 get_got_offset (acfg, FALSE, ji);
10290 get_got_offset (acfg, TRUE, ji);
10292 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10293 ji->type = MONO_PATCH_INFO_GC_NURSERY_START;
10294 get_got_offset (acfg, FALSE, ji);
10295 get_got_offset (acfg, TRUE, ji);
10297 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10298 ji->type = MONO_PATCH_INFO_JIT_TLS_ID;
10299 get_got_offset (acfg, FALSE, ji);
10300 get_got_offset (acfg, TRUE, ji);
10302 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10303 ji->type = MONO_PATCH_INFO_AOT_MODULE;
10304 get_got_offset (acfg, FALSE, ji);
10305 get_got_offset (acfg, TRUE, ji);
10307 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
10308 ji->type = MONO_PATCH_INFO_GC_NURSERY_BITS;
10309 get_got_offset (acfg, FALSE, ji);
10310 get_got_offset (acfg, TRUE, ji);
10312 for (i = 0; i < sizeof (preinited_jit_icalls) / sizeof (char*); ++i) {
10313 ji = (MonoJumpInfo *)mono_mempool_alloc0 (acfg->mempool, sizeof (MonoAotCompile));
10314 ji->type = MONO_PATCH_INFO_INTERNAL_METHOD;
10315 ji->data.name = preinited_jit_icalls [i];
10316 get_got_offset (acfg, FALSE, ji);
10317 get_got_offset (acfg, TRUE, ji);
10320 acfg->nshared_got_entries = acfg->got_offset;
10324 mono_compile_assembly (MonoAssembly *ass, guint32 opts, const char *aot_options)
10326 MonoImage *image = ass->image;
10329 MonoAotCompile *acfg;
10330 char *outfile_name, *tmp_outfile_name, *p;
10331 char llvm_stats_msg [256];
10335 acfg = acfg_create (ass, opts);
10337 memset (&acfg->aot_opts, 0, sizeof (acfg->aot_opts));
10338 acfg->aot_opts.write_symbols = TRUE;
10339 acfg->aot_opts.ntrampolines = 4096;
10340 acfg->aot_opts.nrgctx_trampolines = 4096;
10341 acfg->aot_opts.nimt_trampolines = 512;
10342 acfg->aot_opts.nrgctx_fetch_trampolines = 128;
10343 acfg->aot_opts.ngsharedvt_arg_trampolines = 512;
10344 acfg->aot_opts.llvm_path = g_strdup ("");
10345 acfg->aot_opts.temp_path = g_strdup ("");
10347 acfg->aot_opts.use_trampolines_page = TRUE;
10350 mono_aot_parse_options (aot_options, &acfg->aot_opts);
10352 if (acfg->aot_opts.logfile) {
10353 acfg->logfile = fopen (acfg->aot_opts.logfile, "a+");
10356 if (acfg->aot_opts.data_outfile) {
10357 acfg->data_outfile = fopen (acfg->aot_opts.data_outfile, "w+");
10358 if (!acfg->data_outfile) {
10359 aot_printerrf (acfg, "Unable to create file '%s': %s\n", acfg->aot_opts.data_outfile, strerror (errno));
10362 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_SEPARATE_DATA);
10365 //acfg->aot_opts.print_skipped_methods = TRUE;
10367 #if !defined(MONO_ARCH_GSHAREDVT_SUPPORTED)
10368 if (opts & MONO_OPT_GSHAREDVT) {
10369 aot_printerrf (acfg, "-O=gsharedvt not supported on this platform.\n");
10374 #if !defined(MONO_ARCH_GSHAREDVT_SUPPORTED)
10375 if (!acfg->aot_opts.llvm_only && (opts & MONO_OPT_GSHAREDVT)) {
10376 aot_printerrf (acfg, "-O=gsharedvt not supported on this platform.\n");
10381 if (acfg->aot_opts.llvm_only) {
10382 #ifndef MONO_ARCH_GSHAREDVT_SUPPORTED
10383 aot_printerrf (acfg, "--aot=llvmonly requires a runtime that supports gsharedvt.\n");
10388 #if defined(MONO_ARCH_GSHAREDVT_SUPPORTED)
10389 if (acfg->aot_opts.llvm_only || mono_aot_mode_is_full (&acfg->aot_opts)) {
10390 acfg->opts |= MONO_OPT_GSHAREDVT;
10391 opts |= MONO_OPT_GSHAREDVT;
10395 if (opts & MONO_OPT_GSHAREDVT)
10396 mono_set_generic_sharing_vt_supported (TRUE);
10398 aot_printf (acfg, "Mono Ahead of Time compiler - compiling assembly %s\n", image->name);
10400 #ifndef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
10401 if (mono_aot_mode_is_full (&acfg->aot_opts)) {
10402 aot_printerrf (acfg, "--aot=full is not supported on this platform.\n");
10407 if (acfg->aot_opts.direct_pinvoke && !acfg->aot_opts.static_link) {
10408 aot_printerrf (acfg, "The 'direct-pinvoke' AOT option also requires the 'static' AOT option.\n");
10412 if (acfg->aot_opts.static_link)
10413 acfg->aot_opts.asm_writer = TRUE;
10415 if (acfg->aot_opts.soft_debug) {
10416 MonoDebugOptions *opt = mini_get_debug_options ();
10418 opt->mdb_optimizations = TRUE;
10419 opt->gen_sdb_seq_points = TRUE;
10421 if (!mono_debug_enabled ()) {
10422 aot_printerrf (acfg, "The soft-debug AOT option requires the --debug option.\n");
10425 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_DEBUG);
10428 if (mono_use_llvm || acfg->aot_opts.llvm) {
10430 acfg->aot_opts.asm_writer = TRUE;
10431 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_WITH_LLVM);
10433 if (acfg->aot_opts.soft_debug) {
10434 aot_printerrf (acfg, "The 'soft-debug' option is not supported when compiling with LLVM.\n");
10440 if (acfg->aot_opts.asm_only && !acfg->aot_opts.llvm_outfile) {
10441 aot_printerrf (acfg, "Compiling with LLVM and the asm-only option requires the llvm-outputfile= option.");
10446 * Emit all LLVM code into a separate assembly/object file and link with it
10449 if (!acfg->aot_opts.asm_only) {
10450 acfg->llvm_owriter = TRUE;
10451 } else if (acfg->aot_opts.llvm_outfile) {
10452 int len = strlen (acfg->aot_opts.llvm_outfile);
10454 if (len >= 2 && acfg->aot_opts.llvm_outfile [len - 2] == '.' && acfg->aot_opts.llvm_outfile [len - 1] == 'o')
10455 acfg->llvm_owriter = TRUE;
10459 if (mono_aot_mode_is_full (&acfg->aot_opts))
10460 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_FULL_AOT);
10462 if (mono_threads_is_coop_enabled ())
10463 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_SAFEPOINTS);
10465 if (acfg->aot_opts.instances_logfile_path) {
10466 acfg->instances_logfile = fopen (acfg->aot_opts.instances_logfile_path, "w");
10467 if (!acfg->instances_logfile) {
10468 aot_printerrf (acfg, "Unable to create logfile: '%s'.\n", acfg->aot_opts.instances_logfile_path);
10473 load_profile_files (acfg);
10475 acfg->num_trampolines [MONO_AOT_TRAMP_SPECIFIC] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.ntrampolines : 0;
10476 #ifdef MONO_ARCH_GSHARED_SUPPORTED
10477 acfg->num_trampolines [MONO_AOT_TRAMP_STATIC_RGCTX] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.nrgctx_trampolines : 0;
10479 acfg->num_trampolines [MONO_AOT_TRAMP_IMT_THUNK] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.nimt_trampolines : 0;
10480 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
10481 if (acfg->opts & MONO_OPT_GSHAREDVT)
10482 acfg->num_trampolines [MONO_AOT_TRAMP_GSHAREDVT_ARG] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.ngsharedvt_arg_trampolines : 0;
10485 acfg->temp_prefix = mono_img_writer_get_temp_label_prefix (NULL);
10489 if (acfg->llvm && acfg->thumb_mixed)
10490 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_LLVM_THUMB);
10491 if (acfg->aot_opts.llvm_only)
10492 acfg->flags = (MonoAotFileFlags)(acfg->flags | MONO_AOT_FILE_FLAG_LLVM_ONLY);
10494 acfg->assembly_name_sym = g_strdup (acfg->image->assembly->aname.name);
10495 /* Get rid of characters which cannot occur in symbols */
10496 for (p = acfg->assembly_name_sym; *p; ++p) {
10497 if (!(isalnum (*p) || *p == '_'))
10501 acfg->global_prefix = g_strdup_printf ("mono_aot_%s", acfg->assembly_name_sym);
10502 acfg->plt_symbol = g_strdup_printf ("%s_plt", acfg->global_prefix);
10503 acfg->got_symbol = g_strdup_printf ("%s_got", acfg->global_prefix);
10505 acfg->llvm_got_symbol = g_strdup_printf ("%s_llvm_got", acfg->global_prefix);
10506 acfg->llvm_eh_frame_symbol = g_strdup_printf ("%s_eh_frame", acfg->global_prefix);
10509 acfg->method_index = 1;
10511 if (mono_aot_mode_is_full (&acfg->aot_opts))
10512 mono_set_partial_sharing_supported (TRUE);
10514 res = collect_methods (acfg);
10518 acfg->cfgs_size = acfg->methods->len + 32;
10519 acfg->cfgs = g_new0 (MonoCompile*, acfg->cfgs_size);
10521 /* PLT offset 0 is reserved for the PLT trampoline */
10522 acfg->plt_offset = 1;
10523 add_preinit_got_slots (acfg);
10528 mono_llvm_create_aot_module (acfg->image->assembly, acfg->global_prefix, TRUE, acfg->aot_opts.static_link, acfg->aot_opts.llvm_only);
10534 compile_methods (acfg);
10538 acfg->stats.jit_time = TV_ELAPSED (atv, btv);
10544 if (acfg->aot_opts.asm_only) {
10545 if (acfg->aot_opts.outfile) {
10546 acfg->tmpfname = g_strdup_printf ("%s", acfg->aot_opts.outfile);
10547 acfg->tmpbasename = g_strdup (acfg->tmpfname);
10549 acfg->tmpbasename = g_strdup_printf ("%s", acfg->image->name);
10550 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->tmpbasename);
10552 g_assert (acfg->aot_opts.llvm_outfile);
10553 acfg->llvm_sfile = g_strdup (acfg->aot_opts.llvm_outfile);
10554 if (acfg->llvm_owriter)
10555 acfg->llvm_ofile = g_strdup (acfg->aot_opts.llvm_outfile);
10557 acfg->llvm_sfile = g_strdup (acfg->aot_opts.llvm_outfile);
10559 acfg->tmpbasename = (strcmp (acfg->aot_opts.temp_path, "") == 0) ?
10560 g_strdup_printf ("%s", "temp") :
10561 g_build_filename (acfg->aot_opts.temp_path, "temp", NULL);
10563 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->tmpbasename);
10564 acfg->llvm_sfile = g_strdup_printf ("%s-llvm.s", acfg->tmpbasename);
10565 acfg->llvm_ofile = g_strdup_printf ("%s-llvm.o", acfg->tmpbasename);
10570 if (acfg->aot_opts.asm_only && !acfg->aot_opts.llvm_only) {
10571 if (acfg->aot_opts.outfile)
10572 acfg->tmpfname = g_strdup_printf ("%s", acfg->aot_opts.outfile);
10574 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->image->name);
10575 acfg->fp = fopen (acfg->tmpfname, "w+");
10577 int i = g_file_open_tmp ("mono_aot_XXXXXX", &acfg->tmpfname, NULL);
10578 acfg->fp = fdopen (i, "w+");
10580 if (acfg->fp == 0 && !acfg->aot_opts.llvm_only) {
10581 aot_printerrf (acfg, "Unable to open file '%s': %s\n", acfg->tmpfname, strerror (errno));
10585 acfg->w = mono_img_writer_create (acfg->fp, FALSE);
10587 tmp_outfile_name = NULL;
10588 outfile_name = NULL;
10590 /* Compute symbols for methods */
10591 for (i = 0; i < acfg->nmethods; ++i) {
10592 if (acfg->cfgs [i]) {
10593 MonoCompile *cfg = acfg->cfgs [i];
10594 int method_index = get_method_index (acfg, cfg->orig_method);
10596 if (COMPILE_LLVM (cfg))
10597 cfg->asm_symbol = g_strdup_printf ("%s%s", acfg->llvm_label_prefix, cfg->llvm_method_name);
10598 else if (acfg->global_symbols || acfg->llvm)
10599 cfg->asm_symbol = get_debug_sym (cfg->orig_method, "", acfg->method_label_hash);
10601 cfg->asm_symbol = g_strdup_printf ("%s%sm_%x", acfg->temp_prefix, acfg->llvm_label_prefix, method_index);
10602 cfg->asm_debug_symbol = cfg->asm_symbol;
10606 if (acfg->aot_opts.dwarf_debug && acfg->aot_opts.gnu_asm) {
10608 * CLANG supports GAS .file/.loc directives, so emit line number information this way
10610 acfg->gas_line_numbers = TRUE;
10613 if ((!acfg->aot_opts.nodebug || acfg->aot_opts.dwarf_debug) && acfg->has_jitted_code) {
10614 if (acfg->aot_opts.dwarf_debug && !mono_debug_enabled ()) {
10615 aot_printerrf (acfg, "The dwarf AOT option requires the --debug option.\n");
10618 acfg->dwarf = mono_dwarf_writer_create (acfg->w, NULL, 0, !acfg->gas_line_numbers);
10622 mono_img_writer_emit_start (acfg->w);
10625 mono_dwarf_writer_emit_base_info (acfg->dwarf, g_path_get_basename (acfg->image->name), mono_unwind_get_cie_program ());
10631 emit_extra_methods (acfg);
10633 emit_trampolines (acfg);
10635 emit_class_name_table (acfg);
10637 emit_got_info (acfg, FALSE);
10639 emit_got_info (acfg, TRUE);
10641 emit_exception_info (acfg);
10643 emit_unwind_info (acfg);
10645 emit_class_info (acfg);
10649 emit_image_table (acfg);
10655 * The managed allocators are GC specific, so can't use an AOT image created by one GC
10658 const char *gc_name = mono_gc_get_gc_name ();
10659 acfg->gc_name_offset = add_to_blob (acfg, (guint8*)gc_name, strlen (gc_name) + 1);
10664 emit_objc_selectors (acfg);
10666 emit_globals (acfg);
10668 emit_file_info (acfg);
10671 emit_dwarf_info (acfg);
10672 mono_dwarf_writer_close (acfg->dwarf);
10675 emit_mem_end (acfg);
10677 if (acfg->need_pt_gnu_stack) {
10678 /* This is required so the .so doesn't have an executable stack */
10679 /* The bin writer already emits this */
10680 fprintf (acfg->fp, "\n.section .note.GNU-stack,\"\",@progbits\n");
10683 if (acfg->aot_opts.data_outfile)
10684 fclose (acfg->data_outfile);
10690 res = emit_llvm_file (acfg);
10698 acfg->stats.gen_time = TV_ELAPSED (atv, btv);
10701 sprintf (llvm_stats_msg, ", LLVM: %d (%d%%)", acfg->stats.llvm_count, acfg->stats.mcount ? (acfg->stats.llvm_count * 100) / acfg->stats.mcount : 100);
10703 strcpy (llvm_stats_msg, "");
10705 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;
10707 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",
10708 (int)acfg->stats.code_size, (int)(acfg->stats.code_size * 100 / all_sizes),
10709 (int)acfg->stats.info_size, (int)(acfg->stats.info_size * 100 / all_sizes),
10710 (int)acfg->stats.ex_info_size, (int)(acfg->stats.ex_info_size * 100 / all_sizes),
10711 (int)acfg->stats.unwind_info_size, (int)(acfg->stats.unwind_info_size * 100 / all_sizes),
10712 (int)acfg->stats.class_info_size, (int)(acfg->stats.class_info_size * 100 / all_sizes),
10713 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,
10714 (int)acfg->stats.got_info_size, (int)(acfg->stats.got_info_size * 100 / all_sizes),
10715 (int)acfg->stats.offsets_size, (int)(acfg->stats.offsets_size * 100 / all_sizes),
10716 (int)(acfg->got_offset * sizeof (gpointer)));
10717 aot_printf (acfg, "Compiled: %d/%d (%d%%)%s, No GOT slots: %d (%d%%), Direct calls: %d (%d%%)\n",
10718 acfg->stats.ccount, acfg->stats.mcount, acfg->stats.mcount ? (acfg->stats.ccount * 100) / acfg->stats.mcount : 100,
10720 acfg->stats.methods_without_got_slots, acfg->stats.mcount ? (acfg->stats.methods_without_got_slots * 100) / acfg->stats.mcount : 100,
10721 acfg->stats.direct_calls, acfg->stats.all_calls ? (acfg->stats.direct_calls * 100) / acfg->stats.all_calls : 100);
10722 if (acfg->stats.genericcount)
10723 aot_printf (acfg, "%d methods are generic (%d%%)\n", acfg->stats.genericcount, acfg->stats.mcount ? (acfg->stats.genericcount * 100) / acfg->stats.mcount : 100);
10724 if (acfg->stats.abscount)
10725 aot_printf (acfg, "%d methods contain absolute addresses (%d%%)\n", acfg->stats.abscount, acfg->stats.mcount ? (acfg->stats.abscount * 100) / acfg->stats.mcount : 100);
10726 if (acfg->stats.lmfcount)
10727 aot_printf (acfg, "%d methods contain lmf pointers (%d%%)\n", acfg->stats.lmfcount, acfg->stats.mcount ? (acfg->stats.lmfcount * 100) / acfg->stats.mcount : 100);
10728 if (acfg->stats.ocount)
10729 aot_printf (acfg, "%d methods have other problems (%d%%)\n", acfg->stats.ocount, acfg->stats.mcount ? (acfg->stats.ocount * 100) / acfg->stats.mcount : 100);
10733 res = mono_img_writer_emit_writeout (acfg->w);
10738 res = compile_asm (acfg);
10745 acfg->stats.link_time = TV_ELAPSED (atv, btv);
10747 if (acfg->aot_opts.stats) {
10750 aot_printf (acfg, "GOT slot distribution:\n");
10751 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i)
10752 if (acfg->stats.got_slot_types [i])
10753 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]);
10754 aot_printf (acfg, "\nMethod stats:\n");
10755 aot_printf (acfg, "\tNormal: %d\n", acfg->stats.method_categories [METHOD_CAT_NORMAL]);
10756 aot_printf (acfg, "\tInstance: %d\n", acfg->stats.method_categories [METHOD_CAT_INST]);
10757 aot_printf (acfg, "\tGSharedvt: %d\n", acfg->stats.method_categories [METHOD_CAT_GSHAREDVT]);
10758 aot_printf (acfg, "\tWrapper: %d\n", acfg->stats.method_categories [METHOD_CAT_WRAPPER]);
10761 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);
10763 if (acfg->aot_opts.dump_json)
10776 mono_aot_readonly_field_override (MonoClassField *field)
10782 mono_compile_assembly (MonoAssembly *ass, guint32 opts, const char *aot_options)
10788 mono_aot_is_shared_got_offset (int offset)