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)
14 #include <sys/types.h>
34 #include <mono/metadata/abi-details.h>
35 #include <mono/metadata/tabledefs.h>
36 #include <mono/metadata/class.h>
37 #include <mono/metadata/object.h>
38 #include <mono/metadata/tokentype.h>
39 #include <mono/metadata/appdomain.h>
40 #include <mono/metadata/debug-helpers.h>
41 #include <mono/metadata/assembly.h>
42 #include <mono/metadata/metadata-internals.h>
43 #include <mono/metadata/marshal.h>
44 #include <mono/metadata/gc-internal.h>
45 #include <mono/metadata/mempool-internals.h>
46 #include <mono/metadata/mono-endian.h>
47 #include <mono/metadata/threads-types.h>
48 #include <mono/utils/mono-logger-internal.h>
49 #include <mono/utils/mono-compiler.h>
50 #include <mono/utils/mono-time.h>
51 #include <mono/utils/mono-mmap.h>
52 #include <mono/utils/json.h>
55 #include "seq-points.h"
56 #include "image-writer.h"
57 #include "dwarfwriter.h"
60 #if !defined(DISABLE_AOT) && !defined(DISABLE_JIT)
62 #if defined(__linux__) || defined(__native_client_codegen__)
63 #define RODATA_SECT ".rodata"
64 #elif defined(TARGET_MACH)
65 #define RODATA_SECT ".section __TEXT, __const"
67 #define RODATA_SECT ".text"
70 #define TV_DECLARE(name) gint64 name
71 #define TV_GETTIME(tv) tv = mono_100ns_ticks ()
72 #define TV_ELAPSED(start,end) (((end) - (start)) / 10)
74 #define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
75 #define ALIGN_PTR_TO(ptr,align) (gpointer)((((gssize)(ptr)) + (align - 1)) & (~(align - 1)))
76 #define ROUND_DOWN(VALUE,SIZE) ((VALUE) & ~((SIZE) - 1))
78 /* predefined values for static readonly fields without needed to run the .cctor */
79 typedef struct _ReadOnlyValue ReadOnlyValue;
80 struct _ReadOnlyValue {
83 int type; /* to be used later for typechecking to prevent user errors */
92 static ReadOnlyValue *readonly_values;
94 typedef struct MonoAotOptions {
98 gboolean write_symbols;
99 gboolean metadata_only;
100 gboolean bind_to_runtime_version;
103 gboolean static_link;
107 gboolean dwarf_debug;
109 gboolean log_generics;
110 gboolean log_instances;
111 gboolean gen_seq_points_file;
112 gboolean direct_pinvoke;
113 gboolean direct_icalls;
114 gboolean no_direct_calls;
115 gboolean use_trampolines_page;
116 gboolean no_instances;
122 int nrgctx_trampolines;
123 int nimt_trampolines;
124 int ngsharedvt_arg_trampolines;
125 int nrgctx_fetch_trampolines;
126 gboolean print_skipped_methods;
133 char *instances_logfile_path;
138 typedef struct MonoAotStats {
139 int ccount, mcount, lmfcount, abscount, gcount, ocount, genericcount;
140 gint64 code_size, info_size, ex_info_size, unwind_info_size, got_size, class_info_size, got_info_size, plt_size;
141 int methods_without_got_slots, direct_calls, all_calls, llvm_count;
142 int got_slots, offsets_size;
143 int got_slot_types [MONO_PATCH_INFO_NONE];
144 int got_slot_info_sizes [MONO_PATCH_INFO_NONE];
145 int jit_time, gen_time, link_time;
148 typedef struct GotInfo {
149 GHashTable *patch_to_got_offset;
150 GHashTable **patch_to_got_offset_by_type;
151 GPtrArray *got_patches;
154 typedef struct MonoAotCompile {
157 GHashTable *method_indexes;
158 GHashTable *method_depth;
161 GHashTable **patch_to_plt_entry;
162 GHashTable *plt_offset_to_entry;
163 //GHashTable *patch_to_got_offset;
164 //GHashTable **patch_to_got_offset_by_type;
165 //GPtrArray *got_patches;
166 GotInfo got_info, llvm_got_info;
167 GHashTable *image_hash;
168 GHashTable *method_to_cfg;
169 GHashTable *token_info_hash;
170 GHashTable *method_to_pinvoke_import;
171 GPtrArray *extra_methods;
172 GPtrArray *image_table;
174 GPtrArray *method_order;
175 GHashTable *export_names;
176 /* Maps MonoClass* -> blob offset */
177 GHashTable *klass_blob_hash;
178 /* Maps MonoMethod* -> blob offset */
179 GHashTable *method_blob_hash;
180 guint32 *plt_got_info_offsets;
181 guint32 got_offset, llvm_got_offset, plt_offset, plt_got_offset_base;
182 /* Number of GOT entries reserved for trampolines */
183 guint32 num_trampoline_got_entries;
184 guint32 tramp_page_size;
186 guint32 num_trampolines [MONO_AOT_TRAMP_NUM];
187 guint32 trampoline_got_offset_base [MONO_AOT_TRAMP_NUM];
188 guint32 trampoline_size [MONO_AOT_TRAMP_NUM];
189 guint32 tramp_page_code_offsets [MONO_AOT_TRAMP_NUM];
191 MonoAotOptions aot_opts;
195 MonoMemPool *mempool;
198 char *static_linking_symbol;
200 gboolean gas_line_numbers;
201 /* Whenever to emit an object file directly from llc */
202 gboolean llvm_owriter;
204 MonoDwarfWriter *dwarf;
211 GHashTable *unwind_info_offsets;
212 GPtrArray *unwind_ops;
213 guint32 unwind_info_offset;
216 char *llvm_got_symbol;
218 char *llvm_eh_frame_symbol;
219 GHashTable *method_label_hash;
220 const char *temp_prefix;
221 const char *user_symbol_prefix;
222 const char *llvm_label_prefix;
223 const char *inst_directive;
225 guint32 label_generator;
227 gboolean has_jitted_code;
228 MonoAotFileFlags flags;
229 MonoDynamicStream blob;
230 MonoClass **typespec_classes;
233 char *assembly_name_sym;
234 GHashTable *plt_entry_debug_sym_cache;
235 gboolean thumb_mixed, need_no_dead_strip, need_pt_gnu_stack;
236 GHashTable *ginst_hash;
237 GHashTable *dwarf_ln_filenames;
238 gboolean global_symbols;
239 int objc_selector_index, objc_selector_index_2;
240 GPtrArray *objc_selectors;
241 GHashTable *objc_selector_to_index;
243 FILE *instances_logfile;
248 char *symbol, *llvm_symbol, *debug_sym;
250 gboolean jit_used, llvm_used;
253 #define mono_acfg_lock(acfg) mono_mutex_lock (&((acfg)->mutex))
254 #define mono_acfg_unlock(acfg) mono_mutex_unlock (&((acfg)->mutex))
256 /* This points to the current acfg in LLVM mode */
257 static MonoAotCompile *llvm_acfg;
259 #ifdef HAVE_ARRAY_ELEM_INIT
260 #define MSGSTRFIELD(line) MSGSTRFIELD1(line)
261 #define MSGSTRFIELD1(line) str##line
262 static const struct msgstr_t {
263 #define PATCH_INFO(a,b) char MSGSTRFIELD(__LINE__) [sizeof (b)];
264 #include "patch-info.h"
267 #define PATCH_INFO(a,b) b,
268 #include "patch-info.h"
271 static const gint16 opidx [] = {
272 #define PATCH_INFO(a,b) [MONO_PATCH_INFO_ ## a] = offsetof (struct msgstr_t, MSGSTRFIELD(__LINE__)),
273 #include "patch-info.h"
277 static G_GNUC_UNUSED const char*
278 get_patch_name (int info)
280 return (const char*)&opstr + opidx [info];
284 #define PATCH_INFO(a,b) b,
285 static const char* const
286 patch_types [MONO_PATCH_INFO_NUM + 1] = {
287 #include "patch-info.h"
291 static G_GNUC_UNUSED const char*
292 get_patch_name (int info)
294 return patch_types [info];
300 get_unwind_info_offset (MonoAotCompile *acfg, guint8 *encoded, guint32 encoded_len);
303 get_plt_entry_debug_sym (MonoAotCompile *acfg, MonoJumpInfo *ji, GHashTable *cache);
306 aot_printf (MonoAotCompile *acfg, const gchar *format, ...)
312 output = acfg->logfile;
316 va_start (args, format);
317 vfprintf (output, format, args);
322 aot_printerrf (MonoAotCompile *acfg, const gchar *format, ...)
328 output = acfg->logfile;
332 va_start (args, format);
333 vfprintf (output, format, args);
338 report_loader_error (MonoAotCompile *acfg, MonoError *error, const char *format, ...)
343 if (mono_error_ok (error))
347 output = acfg->logfile;
351 va_start (args, format);
352 vfprintf (output, format, args);
354 mono_error_cleanup (error);
356 g_error ("FullAOT cannot continue if there are loader errors");
359 /* Wrappers around the image writer functions */
362 emit_section_change (MonoAotCompile *acfg, const char *section_name, int subsection_index)
364 mono_img_writer_emit_section_change (acfg->w, section_name, subsection_index);
368 emit_local_symbol (MonoAotCompile *acfg, const char *name, const char *end_label, gboolean func)
370 mono_img_writer_emit_local_symbol (acfg->w, name, end_label, func);
374 emit_label (MonoAotCompile *acfg, const char *name)
376 mono_img_writer_emit_label (acfg->w, name);
380 emit_bytes (MonoAotCompile *acfg, const guint8* buf, int size)
382 mono_img_writer_emit_bytes (acfg->w, buf, size);
386 emit_string (MonoAotCompile *acfg, const char *value)
388 mono_img_writer_emit_string (acfg->w, value);
392 emit_line (MonoAotCompile *acfg)
394 mono_img_writer_emit_line (acfg->w);
398 emit_alignment (MonoAotCompile *acfg, int size)
400 mono_img_writer_emit_alignment (acfg->w, size);
404 emit_alignment_code (MonoAotCompile *acfg, int size)
406 if (acfg->align_pad_value)
407 mono_img_writer_emit_alignment_fill (acfg->w, size, acfg->align_pad_value);
409 mono_img_writer_emit_alignment (acfg->w, size);
413 emit_padding (MonoAotCompile *acfg, int size)
418 if (acfg->align_pad_value) {
419 for (i = 0; i < 16; ++i)
420 buf [i] = acfg->align_pad_value;
422 memset (buf, 0, sizeof (buf));
425 for (i = 0; i < size; i += 16) {
427 emit_bytes (acfg, buf, size - i);
429 emit_bytes (acfg, buf, 16);
434 emit_pointer (MonoAotCompile *acfg, const char *target)
436 mono_img_writer_emit_pointer (acfg->w, target);
440 emit_pointer_2 (MonoAotCompile *acfg, const char *prefix, const char *target)
442 if (prefix [0] != '\0') {
443 char *s = g_strdup_printf ("%s%s", prefix, target);
444 mono_img_writer_emit_pointer (acfg->w, s);
447 mono_img_writer_emit_pointer (acfg->w, target);
452 emit_int16 (MonoAotCompile *acfg, int value)
454 mono_img_writer_emit_int16 (acfg->w, value);
458 emit_int32 (MonoAotCompile *acfg, int value)
460 mono_img_writer_emit_int32 (acfg->w, value);
464 emit_symbol_diff (MonoAotCompile *acfg, const char *end, const char* start, int offset)
466 mono_img_writer_emit_symbol_diff (acfg->w, end, start, offset);
470 emit_zero_bytes (MonoAotCompile *acfg, int num)
472 mono_img_writer_emit_zero_bytes (acfg->w, num);
476 emit_byte (MonoAotCompile *acfg, guint8 val)
478 mono_img_writer_emit_byte (acfg->w, val);
481 #ifdef __native_client_codegen__
483 emit_nacl_call_alignment (MonoAotCompile *acfg)
485 mono_img_writer_emit_nacl_call_alignment (acfg->w);
489 static G_GNUC_UNUSED void
490 emit_global_inner (MonoAotCompile *acfg, const char *name, gboolean func)
492 mono_img_writer_emit_global (acfg->w, name, func);
496 emit_global (MonoAotCompile *acfg, const char *name, gboolean func)
498 if (acfg->aot_opts.no_dlsym) {
499 g_ptr_array_add (acfg->globals, g_strdup (name));
500 mono_img_writer_emit_local_symbol (acfg->w, name, NULL, func);
502 mono_img_writer_emit_global (acfg->w, name, func);
507 emit_symbol_size (MonoAotCompile *acfg, const char *name, const char *end_label)
509 mono_img_writer_emit_symbol_size (acfg->w, name, end_label);
512 /* Emit a symbol which is referenced by the MonoAotFileInfo structure */
514 emit_info_symbol (MonoAotCompile *acfg, const char *name)
519 emit_label (acfg, name);
520 /* LLVM generated code references this */
521 sprintf (symbol, "%s%s%s", acfg->user_symbol_prefix, acfg->global_prefix, name);
522 emit_label (acfg, symbol);
523 emit_global_inner (acfg, symbol, FALSE);
525 emit_label (acfg, name);
530 emit_string_symbol (MonoAotCompile *acfg, const char *name, const char *value)
533 mono_llvm_emit_aot_data (name, (guint8*)value, strlen (value) + 1);
537 mono_img_writer_emit_section_change (acfg->w, RODATA_SECT, 1);
539 /* On apple, all symbols need to be aligned to avoid warnings from ld */
540 emit_alignment (acfg, 4);
542 mono_img_writer_emit_label (acfg->w, name);
543 mono_img_writer_emit_string (acfg->w, value);
546 static G_GNUC_UNUSED void
547 emit_uleb128 (MonoAotCompile *acfg, guint32 value)
550 guint8 b = value & 0x7f;
552 if (value != 0) /* more bytes to come */
558 static G_GNUC_UNUSED void
559 emit_sleb128 (MonoAotCompile *acfg, gint64 value)
562 gboolean negative = (value < 0);
569 /* the following is unnecessary if the
570 * implementation of >>= uses an arithmetic rather
571 * than logical shift for a signed left operand
575 value |= - ((gint64)1 <<(size - 7));
576 /* sign bit of byte is second high order bit (0x40) */
577 if ((value == 0 && !(byte & 0x40)) ||
578 (value == -1 && (byte & 0x40)))
582 emit_byte (acfg, byte);
586 static G_GNUC_UNUSED void
587 encode_uleb128 (guint32 value, guint8 *buf, guint8 **endbuf)
592 guint8 b = value & 0x7f;
594 if (value != 0) /* more bytes to come */
602 static G_GNUC_UNUSED void
603 encode_sleb128 (gint32 value, guint8 *buf, guint8 **endbuf)
606 gboolean negative = (value < 0);
614 /* the following is unnecessary if the
615 * implementation of >>= uses an arithmetic rather
616 * than logical shift for a signed left operand
620 value |= - (1 <<(size - 7));
621 /* sign bit of byte is second high order bit (0x40) */
622 if ((value == 0 && !(byte & 0x40)) ||
623 (value == -1 && (byte & 0x40)))
634 encode_int (gint32 val, guint8 *buf, guint8 **endbuf)
637 buf [0] = (val >> 0) & 0xff;
638 buf [1] = (val >> 8) & 0xff;
639 buf [2] = (val >> 16) & 0xff;
640 buf [3] = (val >> 24) & 0xff;
646 encode_int16 (guint16 val, guint8 *buf, guint8 **endbuf)
648 buf [0] = (val >> 0) & 0xff;
649 buf [1] = (val >> 8) & 0xff;
655 encode_string (const char *s, guint8 *buf, guint8 **endbuf)
657 int len = strlen (s);
659 memcpy (buf, s, len + 1);
660 *endbuf = buf + len + 1;
664 emit_unset_mode (MonoAotCompile *acfg)
666 mono_img_writer_emit_unset_mode (acfg->w);
669 static G_GNUC_UNUSED void
670 emit_set_thumb_mode (MonoAotCompile *acfg)
672 emit_unset_mode (acfg);
673 fprintf (acfg->fp, ".code 16\n");
676 static G_GNUC_UNUSED void
677 emit_set_arm_mode (MonoAotCompile *acfg)
679 emit_unset_mode (acfg);
680 fprintf (acfg->fp, ".code 32\n");
684 emit_code_bytes (MonoAotCompile *acfg, const guint8* buf, int size)
689 g_assert (size % 4 == 0);
690 emit_unset_mode (acfg);
691 for (i = 0; i < size; i += 4)
692 fprintf (acfg->fp, "%s 0x%x\n", acfg->inst_directive, *(guint32*)(buf + i));
694 emit_bytes (acfg, buf, size);
698 /* ARCHITECTURE SPECIFIC CODE */
700 #if defined(TARGET_X86) || defined(TARGET_AMD64) || defined(TARGET_ARM) || defined(TARGET_POWERPC) || defined(TARGET_ARM64)
701 #define EMIT_DWARF_INFO 1
704 #if defined(TARGET_ARM)
705 #define AOT_FUNC_ALIGNMENT 4
707 #define AOT_FUNC_ALIGNMENT 16
709 #if (defined(TARGET_X86) || defined(TARGET_AMD64)) && defined(__native_client_codegen__)
710 #undef AOT_FUNC_ALIGNMENT
711 #define AOT_FUNC_ALIGNMENT 32
714 #if defined(TARGET_POWERPC64) && !defined(__mono_ilp32__)
715 #define PPC_LD_OP "ld"
716 #define PPC_LDX_OP "ldx"
718 #define PPC_LD_OP "lwz"
719 #define PPC_LDX_OP "lwzx"
723 #define AOT_TARGET_STR "AMD64"
728 #define AOT_TARGET_STR "ARM (MACH)"
730 #define AOT_TARGET_STR "ARM (!MACH)"
736 #define AOT_TARGET_STR "ARM64 (MACH)"
738 #define AOT_TARGET_STR "ARM64 (!MACH)"
742 #ifdef TARGET_POWERPC64
743 #ifdef __mono_ilp32__
744 #define AOT_TARGET_STR "POWERPC64 (mono ilp32)"
746 #define AOT_TARGET_STR "POWERPC64 (!mono ilp32)"
749 #ifdef TARGET_POWERPC
750 #ifdef __mono_ilp32__
751 #define AOT_TARGET_STR "POWERPC (mono ilp32)"
753 #define AOT_TARGET_STR "POWERPC (!mono ilp32)"
760 #define AOT_TARGET_STR "X86 (WIN32)"
761 #elif defined(__native_client_codegen__)
762 #define AOT_TARGET_STR "X86 (native client codegen)"
764 #define AOT_TARGET_STR "X86 (!native client codegen)"
768 #ifndef AOT_TARGET_STR
769 #define AOT_TARGET_STR ""
773 arch_init (MonoAotCompile *acfg)
775 acfg->llc_args = g_string_new ("");
776 acfg->as_args = g_string_new ("");
779 * The prefix LLVM likes to put in front of symbol names on darwin.
780 * The mach-os specs require this for globals, but LLVM puts them in front of all
781 * symbols. We need to handle this, since we need to refer to LLVM generated
784 acfg->llvm_label_prefix = "";
785 acfg->user_symbol_prefix = "";
787 #if defined(TARGET_X86)
788 g_string_append (acfg->llc_args, " -march=x86 -mattr=sse4.1");
791 #if defined(TARGET_AMD64)
792 g_string_append (acfg->llc_args, " -march=x86-64 -mattr=sse4.1");
794 acfg->align_pad_value = 0x90;
798 if (acfg->aot_opts.mtriple && strstr (acfg->aot_opts.mtriple, "darwin")) {
799 g_string_append (acfg->llc_args, "-mattr=+v6");
802 g_string_append (acfg->llc_args, " -mattr=+vfp2,-neon,+d16");
803 g_string_append (acfg->as_args, " -mfpu=vfp3");
805 g_string_append (acfg->llc_args, " -soft-float");
808 if (acfg->aot_opts.mtriple && strstr (acfg->aot_opts.mtriple, "thumb"))
809 acfg->thumb_mixed = TRUE;
811 if (acfg->aot_opts.mtriple)
812 mono_arch_set_target (acfg->aot_opts.mtriple);
816 acfg->inst_directive = ".inst";
817 if (acfg->aot_opts.mtriple)
818 mono_arch_set_target (acfg->aot_opts.mtriple);
822 acfg->user_symbol_prefix = "_";
823 acfg->llvm_label_prefix = "_";
824 acfg->inst_directive = ".word";
825 acfg->need_no_dead_strip = TRUE;
826 acfg->aot_opts.gnu_asm = TRUE;
829 #if defined(__linux__) && !defined(TARGET_ARM)
830 acfg->need_pt_gnu_stack = TRUE;
834 acfg->global_symbols = TRUE;
840 #include "../../../mono-extensions/mono/mini/aot-compiler-arm64.c"
844 #ifdef MONO_ARCH_AOT_SUPPORTED
846 * arch_emit_direct_call:
848 * Emit a direct call to the symbol TARGET. CALL_SIZE is set to the size of the
852 arch_emit_direct_call (MonoAotCompile *acfg, const char *target, gboolean external, gboolean thumb, MonoJumpInfo *ji, int *call_size)
854 #if defined(TARGET_X86) || defined(TARGET_AMD64)
855 /* Need to make sure this is exactly 5 bytes long */
856 emit_unset_mode (acfg);
857 fprintf (acfg->fp, "call %s\n", target);
859 #elif defined(TARGET_ARM)
860 emit_unset_mode (acfg);
862 fprintf (acfg->fp, "blx %s\n", target);
864 fprintf (acfg->fp, "bl %s\n", target);
866 #elif defined(TARGET_ARM64)
867 arm64_emit_direct_call (acfg, target, external, thumb, ji, call_size);
868 #elif defined(TARGET_POWERPC)
869 emit_unset_mode (acfg);
870 fprintf (acfg->fp, "bl %s\n", target);
873 g_assert_not_reached ();
880 * - we use an approach similar to the x86 abi: reserve a register (r30) to hold
882 * - The full-aot trampolines need access to the GOT of mscorlib, so we store
883 * in in the 2. slot of every GOT, and require every method to place the GOT
884 * address in r30, even when it doesn't access the GOT otherwise. This way,
885 * the trampolines can compute the mscorlib GOT address by loading 4(r30).
890 * PPC64 uses function descriptors which greatly complicate all code, since
891 * these are used very inconsistently in the runtime. Some functions like
892 * mono_compile_method () return ftn descriptors, while others like the
893 * trampoline creation functions do not.
894 * We assume that all GOT slots contain function descriptors, and create
895 * descriptors in aot-runtime.c when needed.
896 * The ppc64 abi uses r2 to hold the address of the TOC/GOT, which is loaded
897 * from function descriptors, we could do the same, but it would require
898 * rewriting all the ppc/aot code to handle function descriptors properly.
899 * So instead, we use the same approach as on PPC32.
900 * This is a horrible mess, but fixing it would probably lead to an even bigger
906 * - similar to the PPC32 design, we reserve EBX to hold the GOT pointer.
909 #ifdef MONO_ARCH_AOT_SUPPORTED
911 * arch_emit_got_offset:
913 * The memory pointed to by CODE should hold native code for computing the GOT
914 * address (OP_LOAD_GOTADDR). Emit this code while patching it with the offset
915 * between code and the GOT. CODE_SIZE is set to the number of bytes emitted.
918 arch_emit_got_offset (MonoAotCompile *acfg, guint8 *code, int *code_size)
920 #if defined(TARGET_POWERPC64)
921 emit_unset_mode (acfg);
923 * The ppc32 code doesn't seem to work on ppc64, the assembler complains about
924 * unsupported relocations. So we store the got address into the .Lgot_addr
925 * symbol which is in the text segment, compute its address, and load it.
927 fprintf (acfg->fp, ".L%d:\n", acfg->label_generator);
928 fprintf (acfg->fp, "lis 0, (.Lgot_addr + 4 - .L%d)@h\n", acfg->label_generator);
929 fprintf (acfg->fp, "ori 0, 0, (.Lgot_addr + 4 - .L%d)@l\n", acfg->label_generator);
930 fprintf (acfg->fp, "add 30, 30, 0\n");
931 fprintf (acfg->fp, "%s 30, 0(30)\n", PPC_LD_OP);
932 acfg->label_generator ++;
934 #elif defined(TARGET_POWERPC)
935 emit_unset_mode (acfg);
936 fprintf (acfg->fp, ".L%d:\n", acfg->label_generator);
937 fprintf (acfg->fp, "lis 0, (%s + 4 - .L%d)@h\n", acfg->got_symbol, acfg->label_generator);
938 fprintf (acfg->fp, "ori 0, 0, (%s + 4 - .L%d)@l\n", acfg->got_symbol, acfg->label_generator);
939 acfg->label_generator ++;
942 guint32 offset = mono_arch_get_patch_offset (code);
943 emit_bytes (acfg, code, offset);
944 emit_symbol_diff (acfg, acfg->got_symbol, ".", offset);
946 *code_size = offset + 4;
951 * arch_emit_got_access:
953 * The memory pointed to by CODE should hold native code for loading a GOT
954 * slot (OP_AOTCONST/OP_GOT_ENTRY). Emit this code while patching it so it accesses the
955 * GOT slot GOT_SLOT. CODE_SIZE is set to the number of bytes emitted.
958 arch_emit_got_access (MonoAotCompile *acfg, const char *got_symbol, guint8 *code, int got_slot, int *code_size)
961 /* mov reg, got+offset(%rip) */
963 /* The GOT symbol is in the LLVM module, the clang assembler has problems emitting symbol diffs for it */
967 /* Decode reg, see amd64_mov_reg_membase () */
968 rex_r = code [0] & AMD64_REX_R;
969 g_assert (code [0] == 0x49 + rex_r);
970 g_assert (code [1] == 0x8b);
971 dreg = ((code [2] >> 3) & 0x7) + (rex_r ? 8 : 0);
973 emit_unset_mode (acfg);
974 fprintf (acfg->fp, "mov %s+%d(%%rip), %s\n", got_symbol, (unsigned int) ((got_slot * sizeof (gpointer))), mono_arch_regname (dreg));
977 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
978 emit_symbol_diff (acfg, got_symbol, ".", (unsigned int) ((got_slot * sizeof (gpointer)) - 4));
979 *code_size = mono_arch_get_patch_offset (code) + 4;
981 #elif defined(TARGET_X86)
982 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
983 emit_int32 (acfg, (unsigned int) ((got_slot * sizeof (gpointer))));
984 *code_size = mono_arch_get_patch_offset (code) + 4;
985 #elif defined(TARGET_ARM)
986 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
987 emit_symbol_diff (acfg, got_symbol, ".", (unsigned int) ((got_slot * sizeof (gpointer))) - 12);
988 *code_size = mono_arch_get_patch_offset (code) + 4;
989 #elif defined(TARGET_ARM64)
990 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
991 arm64_emit_got_access (acfg, code, got_slot, code_size);
992 #elif defined(TARGET_POWERPC)
997 emit_bytes (acfg, code, mono_arch_get_patch_offset (code));
999 ppc_load32 (code, ppc_r0, got_slot * sizeof (gpointer));
1000 g_assert (code - buf == 8);
1001 emit_bytes (acfg, buf, code - buf);
1002 *code_size = code - buf;
1005 g_assert_not_reached ();
1011 #ifdef MONO_ARCH_AOT_SUPPORTED
1013 * arch_emit_objc_selector_ref:
1015 * Emit the implementation of OP_OBJC_GET_SELECTOR, which itself implements @selector(foo:) in objective-c.
1018 arch_emit_objc_selector_ref (MonoAotCompile *acfg, guint8 *code, int index, int *code_size)
1020 #if defined(TARGET_ARM)
1023 int lindex = acfg->objc_selector_index_2 ++;
1025 /* Emit ldr.imm/b */
1026 emit_bytes (acfg, code, 8);
1028 sprintf (symbol1, "L_OBJC_SELECTOR_%d", lindex);
1029 sprintf (symbol2, "L_OBJC_SELECTOR_REFERENCES_%d", index);
1031 emit_label (acfg, symbol1);
1032 mono_img_writer_emit_unset_mode (acfg->w);
1033 fprintf (acfg->fp, ".long %s-(%s+12)", symbol2, symbol1);
1036 #elif defined(TARGET_ARM64)
1037 arm64_emit_objc_selector_ref (acfg, code, index, code_size);
1039 g_assert_not_reached ();
1045 * arch_emit_plt_entry:
1047 * Emit code for the PLT entry.
1048 * The plt entry should look like this:
1049 * <indirect jump to GOT_SYMBOL + OFFSET>
1050 * <INFO_OFFSET embedded into the instruction stream>
1053 arch_emit_plt_entry (MonoAotCompile *acfg, const char *got_symbol, int offset, int info_offset)
1055 #if defined(TARGET_X86)
1056 #if defined(__default_codegen__)
1057 /* jmp *<offset>(%ebx) */
1058 emit_byte (acfg, 0xff);
1059 emit_byte (acfg, 0xa3);
1060 emit_int32 (acfg, offset);
1061 /* Used by mono_aot_get_plt_info_offset */
1062 emit_int32 (acfg, info_offset);
1063 #elif defined(__native_client_codegen__)
1064 const guint8 kSizeOfNaClJmp = 11;
1065 guint8 bytes[kSizeOfNaClJmp];
1066 guint8 *pbytes = &bytes[0];
1068 x86_jump_membase32 (pbytes, X86_EBX, offset);
1069 emit_bytes (acfg, bytes, kSizeOfNaClJmp);
1070 /* four bytes of data, used by mono_arch_patch_plt_entry */
1071 /* For Native Client, make this work with data embedded in push. */
1072 emit_byte (acfg, 0x68); /* hide data in a push */
1073 emit_int32 (acfg, info_offset);
1074 emit_alignment (acfg, AOT_FUNC_ALIGNMENT);
1075 #endif /*__native_client_codegen__*/
1076 #elif defined(TARGET_AMD64)
1077 #if defined(__default_codegen__)
1078 emit_unset_mode (acfg);
1079 fprintf (acfg->fp, "jmp *%s+%d(%%rip)\n", got_symbol, offset);
1080 /* Used by mono_aot_get_plt_info_offset */
1081 emit_int32 (acfg, info_offset);
1082 acfg->stats.plt_size += 10;
1083 #elif defined(__native_client_codegen__)
1085 guint8 *buf_aligned = ALIGN_TO(buf, kNaClAlignment);
1086 guint8 *code = buf_aligned;
1088 /* mov <OFFSET>(%rip), %r11d */
1089 emit_byte (acfg, '\x45');
1090 emit_byte (acfg, '\x8b');
1091 emit_byte (acfg, '\x1d');
1092 emit_symbol_diff (acfg, got_symbol, ".", offset - 4);
1094 amd64_jump_reg (code, AMD64_R11);
1095 /* This should be constant for the plt patch */
1096 g_assert ((size_t)(code-buf_aligned) == 10);
1097 emit_bytes (acfg, buf_aligned, code - buf_aligned);
1099 /* Hide data in a push imm32 so it passes validation */
1100 emit_byte (acfg, 0x68); /* push */
1101 emit_int32 (acfg, info_offset);
1102 emit_alignment (acfg, AOT_FUNC_ALIGNMENT);
1103 #endif /*__native_client_codegen__*/
1104 #elif defined(TARGET_ARM)
1109 ARM_LDR_IMM (code, ARMREG_IP, ARMREG_PC, 0);
1110 ARM_LDR_REG_REG (code, ARMREG_PC, ARMREG_PC, ARMREG_IP);
1111 emit_bytes (acfg, buf, code - buf);
1112 emit_symbol_diff (acfg, got_symbol, ".", offset - 4);
1113 /* Used by mono_aot_get_plt_info_offset */
1114 emit_int32 (acfg, info_offset);
1115 #elif defined(TARGET_ARM64)
1116 arm64_emit_plt_entry (acfg, got_symbol, offset, info_offset);
1117 #elif defined(TARGET_POWERPC)
1118 /* The GOT address is guaranteed to be in r30 by OP_LOAD_GOTADDR */
1119 emit_unset_mode (acfg);
1120 fprintf (acfg->fp, "lis 11, %d@h\n", offset);
1121 fprintf (acfg->fp, "ori 11, 11, %d@l\n", offset);
1122 fprintf (acfg->fp, "add 11, 11, 30\n");
1123 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
1124 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1125 fprintf (acfg->fp, "%s 2, %d(11)\n", PPC_LD_OP, (int)sizeof (gpointer));
1126 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
1128 fprintf (acfg->fp, "mtctr 11\n");
1129 fprintf (acfg->fp, "bctr\n");
1130 emit_int32 (acfg, info_offset);
1132 g_assert_not_reached ();
1137 * arch_emit_llvm_plt_entry:
1139 * Same as arch_emit_plt_entry, but handles calls from LLVM generated code.
1140 * This is only needed on arm to handle thumb interop.
1143 arch_emit_llvm_plt_entry (MonoAotCompile *acfg, const char *got_symbol, int offset, int info_offset)
1145 #if defined(TARGET_ARM)
1146 /* LLVM calls the PLT entries using bl, so these have to be thumb2 */
1147 /* The caller already transitioned to thumb */
1148 /* The code below should be 12 bytes long */
1149 /* clang has trouble encoding these instructions, so emit the binary */
1151 fprintf (acfg->fp, "ldr ip, [pc, #8]\n");
1152 /* thumb can't encode ld pc, [pc, ip] */
1153 fprintf (acfg->fp, "add ip, pc, ip\n");
1154 fprintf (acfg->fp, "ldr ip, [ip, #0]\n");
1155 fprintf (acfg->fp, "bx ip\n");
1157 emit_set_thumb_mode (acfg);
1158 fprintf (acfg->fp, ".4byte 0xc008f8df\n");
1159 fprintf (acfg->fp, ".2byte 0x44fc\n");
1160 fprintf (acfg->fp, ".4byte 0xc000f8dc\n");
1161 fprintf (acfg->fp, ".2byte 0x4760\n");
1162 emit_symbol_diff (acfg, got_symbol, ".", offset + 4);
1163 emit_int32 (acfg, info_offset);
1164 emit_unset_mode (acfg);
1165 emit_set_arm_mode (acfg);
1167 g_assert_not_reached ();
1171 /* Save unwind_info in the module and emit the offset to the information at symbol */
1172 static void save_unwind_info (MonoAotCompile *acfg, char *symbol, GSList *unwind_ops)
1174 guint32 uw_offset, encoded_len;
1177 emit_section_change (acfg, RODATA_SECT, 0);
1178 emit_global (acfg, symbol, FALSE);
1179 emit_label (acfg, symbol);
1181 encoded = mono_unwind_ops_encode (unwind_ops, &encoded_len);
1182 uw_offset = get_unwind_info_offset (acfg, encoded, encoded_len);
1184 emit_int32 (acfg, uw_offset);
1188 * arch_emit_specific_trampoline_pages:
1190 * Emits a page full of trampolines: each trampoline uses its own address to
1191 * lookup both the generic trampoline code and the data argument.
1192 * This page can be remapped in process multiple times so we can get an
1193 * unlimited number of trampolines.
1194 * Specifically this implementation uses the following trick: two memory pages
1195 * are allocated, with the first containing the data and the second containing the trampolines.
1196 * To reduce trampoline size, each trampoline jumps at the start of the page where a common
1197 * implementation does all the lifting.
1198 * Note that the ARM single trampoline size is 8 bytes, exactly like the data that needs to be stored
1199 * on the arm 32 bit system.
1202 arch_emit_specific_trampoline_pages (MonoAotCompile *acfg)
1204 #if defined(TARGET_ARM)
1207 guint8 *loop_start, *loop_branch_back, *loop_end_check, *imt_found_check;
1209 int pagesize = MONO_AOT_TRAMP_PAGE_SIZE;
1210 GSList *unwind_ops = NULL;
1211 #define COMMON_TRAMP_SIZE 16
1212 int count = (pagesize - COMMON_TRAMP_SIZE) / 8;
1213 int imm8, rot_amount;
1216 if (!acfg->aot_opts.use_trampolines_page)
1219 acfg->tramp_page_size = pagesize;
1221 sprintf (symbol, "%sspecific_trampolines_page", acfg->user_symbol_prefix);
1222 emit_alignment (acfg, pagesize);
1223 emit_global (acfg, symbol, TRUE);
1224 emit_label (acfg, symbol);
1226 /* emit the generic code first, the trampoline address + 8 is in the lr register */
1228 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1229 ARM_SUB_REG_IMM (code, ARMREG_LR, ARMREG_LR, imm8, rot_amount);
1230 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_LR, -8);
1231 ARM_LDR_IMM (code, ARMREG_PC, ARMREG_LR, -4);
1233 g_assert (code - buf == COMMON_TRAMP_SIZE);
1236 emit_bytes (acfg, buf, code - buf);
1238 for (i = 0; i < count; ++i) {
1240 ARM_PUSH (code, 0x5fff);
1242 arm_patch (code - 4, code - COMMON_TRAMP_SIZE - 8 * (i + 1));
1243 g_assert (code - buf == 8);
1244 emit_bytes (acfg, buf, code - buf);
1247 /* now the rgctx trampolines: each specific trampolines puts in the ip register
1248 * the instruction pointer address, so the generic trampoline at the start of the page
1249 * subtracts 4096 to get to the data page and loads the values
1250 * We again fit the generic trampiline in 16 bytes.
1252 sprintf (symbol, "%srgctx_trampolines_page", acfg->user_symbol_prefix);
1253 emit_global (acfg, symbol, TRUE);
1254 emit_label (acfg, symbol);
1256 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1257 ARM_SUB_REG_IMM (code, ARMREG_IP, ARMREG_IP, imm8, rot_amount);
1258 ARM_LDR_IMM (code, MONO_ARCH_RGCTX_REG, ARMREG_IP, -8);
1259 ARM_LDR_IMM (code, ARMREG_PC, ARMREG_IP, -4);
1261 g_assert (code - buf == COMMON_TRAMP_SIZE);
1264 emit_bytes (acfg, buf, code - buf);
1266 for (i = 0; i < count; ++i) {
1268 ARM_MOV_REG_REG (code, ARMREG_IP, ARMREG_PC);
1270 arm_patch (code - 4, code - COMMON_TRAMP_SIZE - 8 * (i + 1));
1271 g_assert (code - buf == 8);
1272 emit_bytes (acfg, buf, code - buf);
1276 * gsharedvt arg trampolines: see arch_emit_gsharedvt_arg_trampoline ()
1278 sprintf (symbol, "%sgsharedvt_arg_trampolines_page", acfg->user_symbol_prefix);
1279 emit_global (acfg, symbol, TRUE);
1280 emit_label (acfg, symbol);
1282 ARM_PUSH (code, (1 << ARMREG_R0) | (1 << ARMREG_R1) | (1 << ARMREG_R2) | (1 << ARMREG_R3));
1283 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1284 ARM_SUB_REG_IMM (code, ARMREG_IP, ARMREG_IP, imm8, rot_amount);
1285 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_IP, -8);
1286 ARM_LDR_IMM (code, ARMREG_PC, ARMREG_IP, -4);
1287 g_assert (code - buf == COMMON_TRAMP_SIZE);
1289 emit_bytes (acfg, buf, code - buf);
1291 for (i = 0; i < count; ++i) {
1293 ARM_MOV_REG_REG (code, ARMREG_IP, ARMREG_PC);
1295 arm_patch (code - 4, code - COMMON_TRAMP_SIZE - 8 * (i + 1));
1296 g_assert (code - buf == 8);
1297 emit_bytes (acfg, buf, code - buf);
1300 /* now the imt trampolines: each specific trampolines puts in the ip register
1301 * the instruction pointer address, so the generic trampoline at the start of the page
1302 * subtracts 4096 to get to the data page and loads the values
1304 #define IMT_TRAMP_SIZE 72
1305 sprintf (symbol, "%simt_trampolines_page", acfg->user_symbol_prefix);
1306 emit_global (acfg, symbol, TRUE);
1307 emit_label (acfg, symbol);
1309 /* Need at least two free registers, plus a slot for storing the pc */
1310 ARM_PUSH (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_R2));
1312 imm8 = mono_arm_is_rotated_imm8 (pagesize, &rot_amount);
1313 ARM_SUB_REG_IMM (code, ARMREG_IP, ARMREG_IP, imm8, rot_amount);
1314 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_IP, -8);
1316 /* The IMT method is in v5, r0 has the imt array address */
1319 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_R0, 0);
1320 ARM_CMP_REG_REG (code, ARMREG_R1, ARMREG_V5);
1321 imt_found_check = code;
1322 ARM_B_COND (code, ARMCOND_EQ, 0);
1324 /* End-of-loop check */
1325 ARM_CMP_REG_IMM (code, ARMREG_R1, 0, 0);
1326 loop_end_check = code;
1327 ARM_B_COND (code, ARMCOND_EQ, 0);
1330 ARM_ADD_REG_IMM8 (code, ARMREG_R0, ARMREG_R0, sizeof (gpointer) * 2);
1331 loop_branch_back = code;
1333 arm_patch (loop_branch_back, loop_start);
1336 arm_patch (imt_found_check, code);
1337 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
1338 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 0);
1339 /* Save it to the third stack slot */
1340 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
1341 /* Restore the registers and branch */
1342 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
1345 arm_patch (loop_end_check, code);
1346 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
1347 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
1348 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
1352 g_assert (code - buf == IMT_TRAMP_SIZE);
1353 emit_bytes (acfg, buf, code - buf);
1355 for (i = 0; i < count; ++i) {
1357 ARM_MOV_REG_REG (code, ARMREG_IP, ARMREG_PC);
1359 arm_patch (code - 4, code - IMT_TRAMP_SIZE - 8 * (i + 1));
1360 g_assert (code - buf == 8);
1361 emit_bytes (acfg, buf, code - buf);
1364 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_SPECIFIC] = 16;
1365 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_STATIC_RGCTX] = 16;
1366 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_IMT_THUNK] = 72;
1367 acfg->tramp_page_code_offsets [MONO_AOT_TRAMP_GSHAREDVT_ARG] = 16;
1369 /* Unwind info for specifc trampolines */
1370 sprintf (symbol, "%sspecific_trampolines_page_gen_p", acfg->user_symbol_prefix);
1371 /* We unwind to the original caller, from the stack, since lr is clobbered */
1372 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 14 * sizeof (mgreg_t));
1373 mono_add_unwind_op_offset (unwind_ops, 0, 0, ARMREG_LR, -4);
1374 save_unwind_info (acfg, symbol, unwind_ops);
1375 mono_free_unwind_info (unwind_ops);
1377 sprintf (symbol, "%sspecific_trampolines_page_sp_p", acfg->user_symbol_prefix);
1378 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1379 mono_add_unwind_op_def_cfa_offset (unwind_ops, 4, 0, 14 * sizeof (mgreg_t));
1380 save_unwind_info (acfg, symbol, unwind_ops);
1381 mono_free_unwind_info (unwind_ops);
1383 /* Unwind info for rgctx trampolines */
1384 sprintf (symbol, "%srgctx_trampolines_page_gen_p", acfg->user_symbol_prefix);
1385 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1386 save_unwind_info (acfg, symbol, unwind_ops);
1388 sprintf (symbol, "%srgctx_trampolines_page_sp_p", acfg->user_symbol_prefix);
1389 save_unwind_info (acfg, symbol, unwind_ops);
1390 mono_free_unwind_info (unwind_ops);
1392 /* Unwind info for gsharedvt trampolines */
1393 sprintf (symbol, "%sgsharedvt_trampolines_page_gen_p", acfg->user_symbol_prefix);
1394 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1395 mono_add_unwind_op_def_cfa_offset (unwind_ops, 4, 0, 4 * sizeof (mgreg_t));
1396 save_unwind_info (acfg, symbol, unwind_ops);
1397 mono_free_unwind_info (unwind_ops);
1399 sprintf (symbol, "%sgsharedvt_trampolines_page_sp_p", acfg->user_symbol_prefix);
1400 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1401 save_unwind_info (acfg, symbol, unwind_ops);
1402 mono_free_unwind_info (unwind_ops);
1404 /* Unwind info for imt trampolines */
1405 sprintf (symbol, "%simt_trampolines_page_gen_p", acfg->user_symbol_prefix);
1406 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1407 mono_add_unwind_op_def_cfa_offset (unwind_ops, 4, 0, 3 * sizeof (mgreg_t));
1408 save_unwind_info (acfg, symbol, unwind_ops);
1409 mono_free_unwind_info (unwind_ops);
1411 sprintf (symbol, "%simt_trampolines_page_sp_p", acfg->user_symbol_prefix);
1412 mono_add_unwind_op_def_cfa (unwind_ops, 0, 0, ARMREG_SP, 0);
1413 save_unwind_info (acfg, symbol, unwind_ops);
1414 mono_free_unwind_info (unwind_ops);
1415 #elif defined(TARGET_ARM64)
1416 arm64_emit_specific_trampoline_pages (acfg);
1421 * arch_emit_specific_trampoline:
1423 * Emit code for a specific trampoline. OFFSET is the offset of the first of
1424 * two GOT slots which contain the generic trampoline address and the trampoline
1425 * argument. TRAMP_SIZE is set to the size of the emitted trampoline.
1428 arch_emit_specific_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1431 * The trampolines created here are variations of the specific
1432 * trampolines created in mono_arch_create_specific_trampoline (). The
1434 * - the generic trampoline address is taken from a got slot.
1435 * - the offset of the got slot where the trampoline argument is stored
1436 * is embedded in the instruction stream, and the generic trampoline
1437 * can load the argument by loading the offset, adding it to the
1438 * address of the trampoline to get the address of the got slot, and
1439 * loading the argument from there.
1440 * - all the trampolines should be of the same length.
1442 #if defined(TARGET_AMD64)
1443 #if defined(__default_codegen__)
1444 /* This should be exactly 8 bytes long */
1446 /* call *<offset>(%rip) */
1448 emit_unset_mode (acfg);
1449 fprintf (acfg->fp, "call *%s+%d(%%rip)\n", acfg->got_symbol, (int)(offset * sizeof (gpointer)));
1450 emit_zero_bytes (acfg, 2);
1452 emit_byte (acfg, '\x41');
1453 emit_byte (acfg, '\xff');
1454 emit_byte (acfg, '\x15');
1455 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4);
1456 emit_zero_bytes (acfg, 1);
1458 #elif defined(__native_client_codegen__)
1460 guint8 *buf_aligned = ALIGN_TO(buf, kNaClAlignment);
1461 guint8 *code = buf_aligned;
1466 /* Emit this call in 'code' so we can find out how long it is. */
1467 amd64_call_reg (code, AMD64_R11);
1468 call_start = mono_arch_nacl_skip_nops (buf_aligned);
1469 call_len = code - call_start;
1471 /* The tramp_size is twice the NaCl alignment because it starts with */
1472 /* a call which needs to be aligned to the end of the boundary. */
1473 *tramp_size = kNaClAlignment*2;
1475 /* Emit nops to align call site below which is 7 bytes plus */
1476 /* the length of the call sequence emitted above. */
1477 /* Note: this requires the specific trampoline starts on a */
1478 /* kNaclAlignedment aligned address, which it does because */
1479 /* it's its own function that is aligned. */
1480 guint8 nop_buf[256];
1481 guint8 *nopbuf_aligned = ALIGN_TO (nop_buf, kNaClAlignment);
1482 guint8 *nopbuf_end = mono_arch_nacl_pad (nopbuf_aligned, kNaClAlignment - 7 - (call_len));
1483 emit_bytes (acfg, nopbuf_aligned, nopbuf_end - nopbuf_aligned);
1485 /* The trampoline is stored at the offset'th pointer, the -4 is */
1486 /* present because RIP relative addressing starts at the end of */
1487 /* the current instruction, while the label "." is relative to */
1488 /* the beginning of the current asm location, which in this case */
1489 /* is not the mov instruction, but the offset itself, due to the */
1490 /* way the bytes and ints are emitted here. */
1491 got_offset = (offset * sizeof(gpointer)) - 4;
1493 /* mov <OFFSET>(%rip), %r11d */
1494 emit_byte (acfg, '\x45');
1495 emit_byte (acfg, '\x8b');
1496 emit_byte (acfg, '\x1d');
1497 emit_symbol_diff (acfg, acfg->got_symbol, ".", got_offset);
1500 emit_bytes (acfg, call_start, call_len);
1502 /* The arg is stored at the offset+1 pointer, relative to beginning */
1503 /* of trampoline: 7 for mov, plus the call length, and 1 for push. */
1504 got_offset = ((offset + 1) * sizeof(gpointer)) + 7 + call_len + 1;
1506 /* We can't emit this data directly, hide in a "push imm32" */
1507 emit_byte (acfg, '\x68'); /* push */
1508 emit_symbol_diff (acfg, acfg->got_symbol, ".", got_offset);
1509 emit_alignment (acfg, kNaClAlignment);
1510 #endif /*__native_client_codegen__*/
1511 #elif defined(TARGET_ARM)
1515 /* This should be exactly 20 bytes long */
1518 ARM_PUSH (code, 0x5fff);
1519 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_PC, 4);
1520 /* Load the value from the GOT */
1521 ARM_LDR_REG_REG (code, ARMREG_R1, ARMREG_PC, ARMREG_R1);
1523 ARM_BLX_REG (code, ARMREG_R1);
1525 g_assert (code - buf == 16);
1528 emit_bytes (acfg, buf, code - buf);
1530 * Only one offset is needed, since the second one would be equal to the
1533 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4 + 4);
1534 //emit_symbol_diff (acfg, acfg->got_symbol, ".", ((offset + 1) * sizeof (gpointer)) - 4 + 8);
1535 #elif defined(TARGET_ARM64)
1536 arm64_emit_specific_trampoline (acfg, offset, tramp_size);
1537 #elif defined(TARGET_POWERPC)
1545 * PPC has no ip relative addressing, so we need to compute the address
1546 * of the mscorlib got. That is slow and complex, so instead, we store it
1547 * in the second got slot of every aot image. The caller already computed
1548 * the address of its got and placed it into r30.
1550 emit_unset_mode (acfg);
1551 /* Load mscorlib got address */
1552 fprintf (acfg->fp, "%s 0, %d(30)\n", PPC_LD_OP, (int)sizeof (gpointer));
1553 /* Load generic trampoline address */
1554 fprintf (acfg->fp, "lis 11, %d@h\n", (int)(offset * sizeof (gpointer)));
1555 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)(offset * sizeof (gpointer)));
1556 fprintf (acfg->fp, "%s 11, 11, 0\n", PPC_LDX_OP);
1557 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1558 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
1560 fprintf (acfg->fp, "mtctr 11\n");
1561 /* Load trampoline argument */
1562 /* On ppc, we pass it normally to the generic trampoline */
1563 fprintf (acfg->fp, "lis 11, %d@h\n", (int)((offset + 1) * sizeof (gpointer)));
1564 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)((offset + 1) * sizeof (gpointer)));
1565 fprintf (acfg->fp, "%s 0, 11, 0\n", PPC_LDX_OP);
1566 /* Branch to generic trampoline */
1567 fprintf (acfg->fp, "bctr\n");
1569 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1570 *tramp_size = 10 * 4;
1572 *tramp_size = 9 * 4;
1574 #elif defined(TARGET_X86)
1578 /* Similar to the PPC code above */
1580 /* FIXME: Could this clobber the register needed by get_vcall_slot () ? */
1583 /* Load mscorlib got address */
1584 x86_mov_reg_membase (code, X86_ECX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
1585 /* Push trampoline argument */
1586 x86_push_membase (code, X86_ECX, (offset + 1) * sizeof (gpointer));
1587 /* Load generic trampoline address */
1588 x86_mov_reg_membase (code, X86_ECX, X86_ECX, offset * sizeof (gpointer), 4);
1589 /* Branch to generic trampoline */
1590 x86_jump_reg (code, X86_ECX);
1592 #ifdef __native_client_codegen__
1594 /* emit nops to next 32 byte alignment */
1595 int a = (~kNaClAlignmentMask) & ((code - buf) + kNaClAlignment - 1);
1596 while (code < (buf + a)) x86_nop(code);
1599 emit_bytes (acfg, buf, code - buf);
1601 *tramp_size = NACL_SIZE(17, kNaClAlignment);
1602 g_assert (code - buf == *tramp_size);
1604 g_assert_not_reached ();
1609 * arch_emit_unbox_trampoline:
1611 * Emit code for the unbox trampoline for METHOD used in the full-aot case.
1612 * CALL_TARGET is the symbol pointing to the native code of METHOD.
1615 arch_emit_unbox_trampoline (MonoAotCompile *acfg, MonoCompile *cfg, MonoMethod *method, const char *call_target)
1617 #if defined(TARGET_AMD64)
1622 this_reg = mono_arch_get_this_arg_reg (NULL);
1624 amd64_alu_reg_imm (code, X86_ADD, this_reg, sizeof (MonoObject));
1626 emit_bytes (acfg, buf, code - buf);
1629 emit_unset_mode (acfg);
1630 fprintf (acfg->fp, "jmp %s\n", call_target);
1632 emit_byte (acfg, '\xe9');
1633 emit_symbol_diff (acfg, call_target, ".", -4);
1635 #elif defined(TARGET_X86)
1642 x86_alu_membase_imm (code, X86_ADD, X86_ESP, this_pos, sizeof (MonoObject));
1644 emit_bytes (acfg, buf, code - buf);
1647 emit_byte (acfg, '\xe9');
1648 emit_symbol_diff (acfg, call_target, ".", -4);
1649 #elif defined(TARGET_ARM)
1653 if (acfg->thumb_mixed && cfg->compile_llvm) {
1654 fprintf (acfg->fp, "add r0, r0, #%d\n", (int)sizeof (MonoObject));
1655 fprintf (acfg->fp, "b %s\n", call_target);
1656 fprintf (acfg->fp, ".arm\n");
1657 fprintf (acfg->fp, ".align 2\n");
1663 ARM_ADD_REG_IMM8 (code, ARMREG_R0, ARMREG_R0, sizeof (MonoObject));
1665 emit_bytes (acfg, buf, code - buf);
1666 /* jump to method */
1667 if (acfg->thumb_mixed && cfg->compile_llvm)
1668 fprintf (acfg->fp, "\n\tbx %s\n", call_target);
1670 fprintf (acfg->fp, "\n\tb %s\n", call_target);
1671 #elif defined(TARGET_ARM64)
1672 arm64_emit_unbox_trampoline (acfg, cfg, method, call_target);
1673 #elif defined(TARGET_POWERPC)
1676 fprintf (acfg->fp, "\n\taddi %d, %d, %d\n", this_pos, this_pos, (int)sizeof (MonoObject));
1677 fprintf (acfg->fp, "\n\tb %s\n", call_target);
1679 g_assert_not_reached ();
1684 * arch_emit_static_rgctx_trampoline:
1686 * Emit code for a static rgctx trampoline. OFFSET is the offset of the first of
1687 * two GOT slots which contain the rgctx argument, and the method to jump to.
1688 * TRAMP_SIZE is set to the size of the emitted trampoline.
1689 * These kinds of trampolines cannot be enumerated statically, since there could
1690 * be one trampoline per method instantiation, so we emit the same code for all
1691 * trampolines, and parameterize them using two GOT slots.
1694 arch_emit_static_rgctx_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
1696 #if defined(TARGET_AMD64)
1697 #if defined(__default_codegen__)
1698 /* This should be exactly 13 bytes long */
1702 emit_unset_mode (acfg);
1703 fprintf (acfg->fp, "mov %s+%d(%%rip), %%r10\n", acfg->got_symbol, (int)(offset * sizeof (gpointer)));
1704 fprintf (acfg->fp, "jmp *%s+%d(%%rip)\n", acfg->got_symbol, (int)((offset + 1) * sizeof (gpointer)));
1706 /* mov <OFFSET>(%rip), %r10 */
1707 emit_byte (acfg, '\x4d');
1708 emit_byte (acfg, '\x8b');
1709 emit_byte (acfg, '\x15');
1710 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4);
1712 /* jmp *<offset>(%rip) */
1713 emit_byte (acfg, '\xff');
1714 emit_byte (acfg, '\x25');
1715 emit_symbol_diff (acfg, acfg->got_symbol, ".", ((offset + 1) * sizeof (gpointer)) - 4);
1717 #elif defined(__native_client_codegen__)
1719 guint8 *buf_aligned = ALIGN_TO(buf, kNaClAlignment);
1720 guint8 *code = buf_aligned;
1722 /* mov <OFFSET>(%rip), %r10d */
1723 emit_byte (acfg, '\x45');
1724 emit_byte (acfg, '\x8b');
1725 emit_byte (acfg, '\x15');
1726 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4);
1728 /* mov <OFFSET>(%rip), %r11d */
1729 emit_byte (acfg, '\x45');
1730 emit_byte (acfg, '\x8b');
1731 emit_byte (acfg, '\x1d');
1732 emit_symbol_diff (acfg, acfg->got_symbol, ".", ((offset + 1) * sizeof (gpointer)) - 4);
1735 amd64_jump_reg (code, AMD64_R11);
1736 emit_bytes (acfg, buf_aligned, code - buf_aligned);
1738 emit_alignment (acfg, kNaClAlignment);
1739 *tramp_size = kNaClAlignment;
1740 #endif /*__native_client_codegen__*/
1742 #elif defined(TARGET_ARM)
1746 /* This should be exactly 24 bytes long */
1749 /* Load rgctx value */
1750 ARM_LDR_IMM (code, ARMREG_IP, ARMREG_PC, 8);
1751 ARM_LDR_REG_REG (code, MONO_ARCH_RGCTX_REG, ARMREG_PC, ARMREG_IP);
1752 /* Load branch addr + branch */
1753 ARM_LDR_IMM (code, ARMREG_IP, ARMREG_PC, 4);
1754 ARM_LDR_REG_REG (code, ARMREG_PC, ARMREG_PC, ARMREG_IP);
1756 g_assert (code - buf == 16);
1759 emit_bytes (acfg, buf, code - buf);
1760 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4 + 8);
1761 emit_symbol_diff (acfg, acfg->got_symbol, ".", ((offset + 1) * sizeof (gpointer)) - 4 + 4);
1762 #elif defined(TARGET_ARM64)
1763 arm64_emit_static_rgctx_trampoline (acfg, offset, tramp_size);
1764 #elif defined(TARGET_POWERPC)
1772 * PPC has no ip relative addressing, so we need to compute the address
1773 * of the mscorlib got. That is slow and complex, so instead, we store it
1774 * in the second got slot of every aot image. The caller already computed
1775 * the address of its got and placed it into r30.
1777 emit_unset_mode (acfg);
1778 /* Load mscorlib got address */
1779 fprintf (acfg->fp, "%s 0, %d(30)\n", PPC_LD_OP, (int)sizeof (gpointer));
1781 fprintf (acfg->fp, "lis 11, %d@h\n", (int)(offset * sizeof (gpointer)));
1782 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)(offset * sizeof (gpointer)));
1783 fprintf (acfg->fp, "%s %d, 11, 0\n", PPC_LDX_OP, MONO_ARCH_RGCTX_REG);
1784 /* Load target address */
1785 fprintf (acfg->fp, "lis 11, %d@h\n", (int)((offset + 1) * sizeof (gpointer)));
1786 fprintf (acfg->fp, "ori 11, 11, %d@l\n", (int)((offset + 1) * sizeof (gpointer)));
1787 fprintf (acfg->fp, "%s 11, 11, 0\n", PPC_LDX_OP);
1788 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1789 fprintf (acfg->fp, "%s 2, %d(11)\n", PPC_LD_OP, (int)sizeof (gpointer));
1790 fprintf (acfg->fp, "%s 11, 0(11)\n", PPC_LD_OP);
1792 fprintf (acfg->fp, "mtctr 11\n");
1793 /* Branch to the target address */
1794 fprintf (acfg->fp, "bctr\n");
1796 #ifdef PPC_USES_FUNCTION_DESCRIPTOR
1797 *tramp_size = 11 * 4;
1799 *tramp_size = 9 * 4;
1802 #elif defined(TARGET_X86)
1806 /* Similar to the PPC code above */
1808 g_assert (MONO_ARCH_RGCTX_REG != X86_ECX);
1811 /* Load mscorlib got address */
1812 x86_mov_reg_membase (code, X86_ECX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
1814 x86_mov_reg_membase (code, MONO_ARCH_RGCTX_REG, X86_ECX, offset * sizeof (gpointer), 4);
1815 /* Branch to the target address */
1816 x86_jump_membase (code, X86_ECX, (offset + 1) * sizeof (gpointer));
1818 #ifdef __native_client_codegen__
1820 /* emit nops to next 32 byte alignment */
1821 int a = (~kNaClAlignmentMask) & ((code - buf) + kNaClAlignment - 1);
1822 while (code < (buf + a)) x86_nop(code);
1826 emit_bytes (acfg, buf, code - buf);
1828 *tramp_size = NACL_SIZE (15, kNaClAlignment);
1829 g_assert (code - buf == *tramp_size);
1831 g_assert_not_reached ();
1836 * arch_emit_imt_thunk:
1838 * Emit an IMT thunk usable in full-aot mode. The thunk uses 1 got slot which
1839 * points to an array of pointer pairs. The pairs of the form [key, ptr], where
1840 * key is the IMT key, and ptr holds the address of a memory location holding
1841 * the address to branch to if the IMT arg matches the key. The array is
1842 * terminated by a pair whose key is NULL, and whose ptr is the address of the
1844 * TRAMP_SIZE is set to the size of the emitted trampoline.
1847 arch_emit_imt_thunk (MonoAotCompile *acfg, int offset, int *tramp_size)
1849 #if defined(TARGET_AMD64)
1851 #if defined(__native_client_codegen__)
1854 guint8 *labels [16];
1856 guint8 *mov_buf_ptr = mov_buf;
1858 const int kSizeOfMove = 7;
1859 #if defined(__default_codegen__)
1860 code = buf = g_malloc (256);
1861 #elif defined(__native_client_codegen__)
1862 buf_alloc = g_malloc (256 + kNaClAlignment + kSizeOfMove);
1863 buf = ((guint)buf_alloc + kNaClAlignment) & ~kNaClAlignmentMask;
1864 /* The RIP relative move below is emitted first */
1869 /* FIXME: Optimize this, i.e. use binary search etc. */
1870 /* Maybe move the body into a separate function (slower, but much smaller) */
1872 /* MONO_ARCH_IMT_SCRATCH_REG is a free register */
1875 emit_unset_mode (acfg);
1876 fprintf (acfg->fp, "mov %s+%d(%%rip), %s\n", acfg->got_symbol, (int)(offset * sizeof (gpointer)), mono_arch_regname (MONO_ARCH_IMT_SCRATCH_REG));
1880 amd64_alu_membase_imm (code, X86_CMP, MONO_ARCH_IMT_SCRATCH_REG, 0, 0);
1882 amd64_branch8 (code, X86_CC_Z, 0, FALSE);
1885 amd64_alu_membase_reg_size (code, X86_CMP, MONO_ARCH_IMT_SCRATCH_REG, 0, MONO_ARCH_IMT_REG, sizeof (gpointer));
1887 amd64_branch8 (code, X86_CC_Z, 0, FALSE);
1890 amd64_alu_reg_imm (code, X86_ADD, MONO_ARCH_IMT_SCRATCH_REG, 2 * sizeof (gpointer));
1891 amd64_jump_code (code, labels [0]);
1894 mono_amd64_patch (labels [2], code);
1895 amd64_mov_reg_membase (code, MONO_ARCH_IMT_SCRATCH_REG, MONO_ARCH_IMT_SCRATCH_REG, sizeof (gpointer), sizeof (gpointer));
1896 amd64_jump_membase (code, MONO_ARCH_IMT_SCRATCH_REG, 0);
1899 mono_amd64_patch (labels [1], code);
1900 /* Load fail tramp */
1901 amd64_alu_reg_imm (code, X86_ADD, MONO_ARCH_IMT_SCRATCH_REG, sizeof (gpointer));
1902 /* Check if there is a fail tramp */
1903 amd64_alu_membase_imm (code, X86_CMP, MONO_ARCH_IMT_SCRATCH_REG, 0, 0);
1905 amd64_branch8 (code, X86_CC_Z, 0, FALSE);
1906 /* Jump to fail tramp */
1907 amd64_jump_membase (code, MONO_ARCH_IMT_SCRATCH_REG, 0);
1910 mono_amd64_patch (labels [3], code);
1911 x86_breakpoint (code);
1914 /* mov <OFFSET>(%rip), MONO_ARCH_IMT_SCRATCH_REG */
1915 amd64_emit_rex (mov_buf_ptr, sizeof(gpointer), MONO_ARCH_IMT_SCRATCH_REG, 0, AMD64_RIP);
1916 *(mov_buf_ptr)++ = (unsigned char)0x8b; /* mov opcode */
1917 x86_address_byte (mov_buf_ptr, 0, MONO_ARCH_IMT_SCRATCH_REG & 0x7, 5);
1918 emit_bytes (acfg, mov_buf, mov_buf_ptr - mov_buf);
1919 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) - 4);
1921 emit_bytes (acfg, buf, code - buf);
1923 *tramp_size = code - buf + kSizeOfMove;
1924 #if defined(__native_client_codegen__)
1925 /* The tramp will be padded to the next kNaClAlignment bundle. */
1926 *tramp_size = ALIGN_TO ((*tramp_size), kNaClAlignment);
1929 #if defined(__default_codegen__)
1931 #elif defined(__native_client_codegen__)
1935 #elif defined(TARGET_X86)
1937 #ifdef __native_client_codegen__
1940 guint8 *labels [16];
1942 #if defined(__default_codegen__)
1943 code = buf = g_malloc (256);
1944 #elif defined(__native_client_codegen__)
1945 buf_alloc = g_malloc (256 + kNaClAlignment);
1946 code = buf = ((guint)buf_alloc + kNaClAlignment) & ~kNaClAlignmentMask;
1949 /* Allocate a temporary stack slot */
1950 x86_push_reg (code, X86_EAX);
1952 x86_push_reg (code, X86_EAX);
1954 /* Load mscorlib got address */
1955 x86_mov_reg_membase (code, X86_EAX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
1957 x86_mov_reg_membase (code, X86_EAX, X86_EAX, offset * sizeof (gpointer), 4);
1960 x86_alu_membase_imm (code, X86_CMP, X86_EAX, 0, 0);
1962 x86_branch8 (code, X86_CC_Z, FALSE, 0);
1965 x86_alu_membase_reg (code, X86_CMP, X86_EAX, 0, MONO_ARCH_IMT_REG);
1967 x86_branch8 (code, X86_CC_Z, FALSE, 0);
1970 x86_alu_reg_imm (code, X86_ADD, X86_EAX, 2 * sizeof (gpointer));
1971 x86_jump_code (code, labels [0]);
1974 mono_x86_patch (labels [2], code);
1975 x86_mov_reg_membase (code, X86_EAX, X86_EAX, sizeof (gpointer), 4);
1976 x86_mov_reg_membase (code, X86_EAX, X86_EAX, 0, 4);
1977 /* Save the target address to the temporary stack location */
1978 x86_mov_membase_reg (code, X86_ESP, 4, X86_EAX, 4);
1980 x86_pop_reg (code, X86_EAX);
1981 /* Jump to the target address */
1985 mono_x86_patch (labels [1], code);
1986 /* Load fail tramp */
1987 x86_mov_reg_membase (code, X86_EAX, X86_EAX, sizeof (gpointer), 4);
1988 x86_alu_membase_imm (code, X86_CMP, X86_EAX, 0, 0);
1990 x86_branch8 (code, X86_CC_Z, FALSE, 0);
1991 /* Jump to fail tramp */
1992 x86_mov_membase_reg (code, X86_ESP, 4, X86_EAX, 4);
1993 x86_pop_reg (code, X86_EAX);
1997 mono_x86_patch (labels [3], code);
1998 x86_breakpoint (code);
2000 #ifdef __native_client_codegen__
2002 /* emit nops to next 32 byte alignment */
2003 int a = (~kNaClAlignmentMask) & ((code - buf) + kNaClAlignment - 1);
2004 while (code < (buf + a)) x86_nop(code);
2007 emit_bytes (acfg, buf, code - buf);
2009 *tramp_size = code - buf;
2011 #if defined(__default_codegen__)
2013 #elif defined(__native_client_codegen__)
2017 #elif defined(TARGET_ARM)
2019 guint8 *code, *code2, *labels [16];
2023 /* The IMT method is in v5 */
2025 /* Need at least two free registers, plus a slot for storing the pc */
2026 ARM_PUSH (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_R2));
2028 /* Load the parameter from the GOT */
2029 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_PC, 0);
2030 ARM_LDR_REG_REG (code, ARMREG_R0, ARMREG_PC, ARMREG_R0);
2033 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_R0, 0);
2034 ARM_CMP_REG_REG (code, ARMREG_R1, ARMREG_V5);
2036 ARM_B_COND (code, ARMCOND_EQ, 0);
2038 /* End-of-loop check */
2039 ARM_CMP_REG_IMM (code, ARMREG_R1, 0, 0);
2041 ARM_B_COND (code, ARMCOND_EQ, 0);
2044 ARM_ADD_REG_IMM8 (code, ARMREG_R0, ARMREG_R0, sizeof (gpointer) * 2);
2047 arm_patch (labels [4], labels [1]);
2050 arm_patch (labels [2], code);
2051 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
2052 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 0);
2053 /* Save it to the third stack slot */
2054 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
2055 /* Restore the registers and branch */
2056 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
2059 arm_patch (labels [3], code);
2060 ARM_LDR_IMM (code, ARMREG_R0, ARMREG_R0, 4);
2061 ARM_STR_IMM (code, ARMREG_R0, ARMREG_SP, 8);
2062 ARM_POP (code, (1 << ARMREG_R0)|(1 << ARMREG_R1)|(1 << ARMREG_PC));
2066 ARM_LDR_IMM (code2, ARMREG_R0, ARMREG_PC, (code - (labels [0] + 8)));
2068 emit_bytes (acfg, buf, code - buf);
2069 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) + (code - (labels [0] + 8)) - 4);
2071 *tramp_size = code - buf + 4;
2072 #elif defined(TARGET_ARM64)
2073 arm64_emit_imt_thunk (acfg, offset, tramp_size);
2074 #elif defined(TARGET_POWERPC)
2076 guint8 *code, *labels [16];
2080 /* Load the mscorlib got address */
2081 ppc_ldptr (code, ppc_r12, sizeof (gpointer), ppc_r30);
2082 /* Load the parameter from the GOT */
2083 ppc_load (code, ppc_r0, offset * sizeof (gpointer));
2084 ppc_ldptr_indexed (code, ppc_r12, ppc_r12, ppc_r0);
2086 /* Load and check key */
2088 ppc_ldptr (code, ppc_r0, 0, ppc_r12);
2089 ppc_cmp (code, 0, sizeof (gpointer) == 8 ? 1 : 0, ppc_r0, MONO_ARCH_IMT_REG);
2091 ppc_bc (code, PPC_BR_TRUE, PPC_BR_EQ, 0);
2093 /* End-of-loop check */
2094 ppc_cmpi (code, 0, sizeof (gpointer) == 8 ? 1 : 0, ppc_r0, 0);
2096 ppc_bc (code, PPC_BR_TRUE, PPC_BR_EQ, 0);
2099 ppc_addi (code, ppc_r12, ppc_r12, 2 * sizeof (gpointer));
2102 mono_ppc_patch (labels [4], labels [1]);
2105 mono_ppc_patch (labels [2], code);
2106 ppc_ldptr (code, ppc_r12, sizeof (gpointer), ppc_r12);
2107 /* r12 now contains the value of the vtable slot */
2108 /* this is not a function descriptor on ppc64 */
2109 ppc_ldptr (code, ppc_r12, 0, ppc_r12);
2110 ppc_mtctr (code, ppc_r12);
2111 ppc_bcctr (code, PPC_BR_ALWAYS, 0);
2114 mono_ppc_patch (labels [3], code);
2118 *tramp_size = code - buf;
2120 emit_bytes (acfg, buf, code - buf);
2122 g_assert_not_reached ();
2127 * arch_emit_gsharedvt_arg_trampoline:
2129 * Emit code for a gsharedvt arg trampoline. OFFSET is the offset of the first of
2130 * two GOT slots which contain the argument, and the code to jump to.
2131 * TRAMP_SIZE is set to the size of the emitted trampoline.
2132 * These kinds of trampolines cannot be enumerated statically, since there could
2133 * be one trampoline per method instantiation, so we emit the same code for all
2134 * trampolines, and parameterize them using two GOT slots.
2137 arch_emit_gsharedvt_arg_trampoline (MonoAotCompile *acfg, int offset, int *tramp_size)
2139 #if defined(TARGET_X86)
2143 /* Similar to the PPC code above */
2145 g_assert (MONO_ARCH_RGCTX_REG != X86_ECX);
2148 /* Load mscorlib got address */
2149 x86_mov_reg_membase (code, X86_ECX, MONO_ARCH_GOT_REG, sizeof (gpointer), 4);
2151 x86_mov_reg_membase (code, X86_EAX, X86_ECX, offset * sizeof (gpointer), 4);
2152 /* Branch to the target address */
2153 x86_jump_membase (code, X86_ECX, (offset + 1) * sizeof (gpointer));
2155 #ifdef __native_client_codegen__
2157 /* emit nops to next 32 byte alignment */
2158 int a = (~kNaClAlignmentMask) & ((code - buf) + kNaClAlignment - 1);
2159 while (code < (buf + a)) x86_nop(code);
2163 emit_bytes (acfg, buf, code - buf);
2165 *tramp_size = NACL_SIZE (15, kNaClAlignment);
2166 g_assert (code - buf == *tramp_size);
2167 #elif defined(TARGET_ARM)
2171 /* The same as mono_arch_get_gsharedvt_arg_trampoline (), but for AOT */
2172 /* Similar to arch_emit_specific_trampoline () */
2175 ARM_PUSH (code, (1 << ARMREG_R0) | (1 << ARMREG_R1) | (1 << ARMREG_R2) | (1 << ARMREG_R3));
2176 ARM_LDR_IMM (code, ARMREG_R1, ARMREG_PC, 8);
2177 /* Load the arg value from the GOT */
2178 ARM_LDR_REG_REG (code, ARMREG_R0, ARMREG_PC, ARMREG_R1);
2179 /* Load the addr from the GOT */
2180 ARM_LDR_REG_REG (code, ARMREG_R1, ARMREG_PC, ARMREG_R1);
2182 ARM_BX (code, ARMREG_R1);
2184 g_assert (code - buf == 20);
2187 emit_bytes (acfg, buf, code - buf);
2188 emit_symbol_diff (acfg, acfg->got_symbol, ".", (offset * sizeof (gpointer)) + 4);
2189 #elif defined(TARGET_ARM64)
2190 arm64_emit_gsharedvt_arg_trampoline (acfg, offset, tramp_size);
2192 g_assert_not_reached ();
2196 /* END OF ARCH SPECIFIC CODE */
2199 mono_get_field_token (MonoClassField *field)
2201 MonoClass *klass = field->parent;
2204 for (i = 0; i < klass->field.count; ++i) {
2205 if (field == &klass->fields [i])
2206 return MONO_TOKEN_FIELD_DEF | (klass->field.first + 1 + i);
2209 g_assert_not_reached ();
2214 encode_value (gint32 value, guint8 *buf, guint8 **endbuf)
2218 //printf ("ENCODE: %d 0x%x.\n", value, value);
2221 * Same encoding as the one used in the metadata, extended to handle values
2222 * greater than 0x1fffffff.
2224 if ((value >= 0) && (value <= 127))
2226 else if ((value >= 0) && (value <= 16383)) {
2227 p [0] = 0x80 | (value >> 8);
2228 p [1] = value & 0xff;
2230 } else if ((value >= 0) && (value <= 0x1fffffff)) {
2231 p [0] = (value >> 24) | 0xc0;
2232 p [1] = (value >> 16) & 0xff;
2233 p [2] = (value >> 8) & 0xff;
2234 p [3] = value & 0xff;
2239 p [1] = (value >> 24) & 0xff;
2240 p [2] = (value >> 16) & 0xff;
2241 p [3] = (value >> 8) & 0xff;
2242 p [4] = value & 0xff;
2250 stream_init (MonoDynamicStream *sh)
2253 sh->alloc_size = 4096;
2254 sh->data = g_malloc (4096);
2256 /* So offsets are > 0 */
2262 make_room_in_stream (MonoDynamicStream *stream, int size)
2264 if (size <= stream->alloc_size)
2267 while (stream->alloc_size <= size) {
2268 if (stream->alloc_size < 4096)
2269 stream->alloc_size = 4096;
2271 stream->alloc_size *= 2;
2274 stream->data = g_realloc (stream->data, stream->alloc_size);
2278 add_stream_data (MonoDynamicStream *stream, const char *data, guint32 len)
2282 make_room_in_stream (stream, stream->index + len);
2283 memcpy (stream->data + stream->index, data, len);
2284 idx = stream->index;
2285 stream->index += len;
2292 * Add data to the binary blob inside the aot image. Returns the offset inside the
2293 * blob where the data was stored.
2296 add_to_blob (MonoAotCompile *acfg, const guint8 *data, guint32 data_len)
2298 if (acfg->blob.alloc_size == 0)
2299 stream_init (&acfg->blob);
2301 return add_stream_data (&acfg->blob, (char*)data, data_len);
2305 add_to_blob_aligned (MonoAotCompile *acfg, const guint8 *data, guint32 data_len, guint32 align)
2310 if (acfg->blob.alloc_size == 0)
2311 stream_init (&acfg->blob);
2313 count = acfg->blob.index % align;
2315 /* we assume the stream data will be aligned */
2317 add_stream_data (&acfg->blob, buf, 4 - count);
2319 return add_stream_data (&acfg->blob, (char*)data, data_len);
2323 * emit_offset_table:
2325 * Emit a table of increasing offsets in a compact form using differential encoding.
2326 * There is an index entry for each GROUP_SIZE number of entries. The greater the
2327 * group size, the more compact the table becomes, but the slower it becomes to compute
2328 * a given entry. Returns the size of the table.
2331 emit_offset_table (MonoAotCompile *acfg, const char *symbol, int noffsets, int group_size, gint32 *offsets)
2333 gint32 current_offset;
2334 int i, buf_size, ngroups, index_entry_size;
2336 guint8 *data_p, *data_buf;
2337 guint32 *index_offsets;
2339 ngroups = (noffsets + (group_size - 1)) / group_size;
2341 index_offsets = g_new0 (guint32, ngroups);
2343 buf_size = noffsets * 4;
2344 p = buf = g_malloc0 (buf_size);
2347 for (i = 0; i < noffsets; ++i) {
2348 //printf ("D: %d -> %d\n", i, offsets [i]);
2349 if ((i % group_size) == 0) {
2350 index_offsets [i / group_size] = p - buf;
2351 /* Emit the full value for these entries */
2352 encode_value (offsets [i], p, &p);
2354 /* The offsets are allowed to be non-increasing */
2355 //g_assert (offsets [i] >= current_offset);
2356 encode_value (offsets [i] - current_offset, p, &p);
2358 current_offset = offsets [i];
2363 if (ngroups && index_offsets [ngroups - 1] < 65000)
2364 index_entry_size = 2;
2366 index_entry_size = 4;
2368 buf_size = (data_p - data_buf) + (ngroups * 4) + 16;
2369 p = buf = g_malloc0 (buf_size);
2371 /* Emit the header */
2372 encode_int (noffsets, p, &p);
2373 encode_int (group_size, p, &p);
2374 encode_int (ngroups, p, &p);
2375 encode_int (index_entry_size, p, &p);
2377 /* Emit the index */
2378 for (i = 0; i < ngroups; ++i) {
2379 if (index_entry_size == 2)
2380 encode_int16 (index_offsets [i], p, &p);
2382 encode_int (index_offsets [i], p, &p);
2385 memcpy (p, data_buf, data_p - data_buf);
2386 p += data_p - data_buf;
2388 g_assert (p - buf <= buf_size);
2391 mono_llvm_emit_aot_data (symbol, buf, p - buf);
2393 emit_section_change (acfg, RODATA_SECT, 1);
2394 emit_alignment (acfg, 8);
2395 emit_label (acfg, symbol);
2396 emit_bytes (acfg, buf, p - buf);
2402 return (int)(p - buf);
2406 get_image_index (MonoAotCompile *cfg, MonoImage *image)
2410 index = GPOINTER_TO_UINT (g_hash_table_lookup (cfg->image_hash, image));
2414 index = g_hash_table_size (cfg->image_hash);
2415 g_hash_table_insert (cfg->image_hash, image, GUINT_TO_POINTER (index + 1));
2416 g_ptr_array_add (cfg->image_table, image);
2422 find_typespec_for_class (MonoAotCompile *acfg, MonoClass *klass)
2425 int len = acfg->image->tables [MONO_TABLE_TYPESPEC].rows;
2427 /* FIXME: Search referenced images as well */
2428 if (!acfg->typespec_classes) {
2429 acfg->typespec_classes = mono_mempool_alloc0 (acfg->mempool, sizeof (MonoClass*) * len);
2430 for (i = 0; i < len; ++i) {
2432 acfg->typespec_classes [i] = mono_class_get_and_inflate_typespec_checked (acfg->image, MONO_TOKEN_TYPE_SPEC | (i + 1), NULL, &error);
2433 g_assert (mono_error_ok (&error)); /* FIXME error handling */
2436 for (i = 0; i < len; ++i) {
2437 if (acfg->typespec_classes [i] == klass)
2442 return MONO_TOKEN_TYPE_SPEC | (i + 1);
2448 encode_method_ref (MonoAotCompile *acfg, MonoMethod *method, guint8 *buf, guint8 **endbuf);
2451 encode_klass_ref (MonoAotCompile *acfg, MonoClass *klass, guint8 *buf, guint8 **endbuf);
2454 encode_ginst (MonoAotCompile *acfg, MonoGenericInst *inst, guint8 *buf, guint8 **endbuf);
2457 encode_type (MonoAotCompile *acfg, MonoType *t, guint8 *buf, guint8 **endbuf);
2460 encode_klass_ref_inner (MonoAotCompile *acfg, MonoClass *klass, guint8 *buf, guint8 **endbuf)
2465 * The encoding begins with one of the MONO_AOT_TYPEREF values, followed by additional
2469 if (klass->generic_class) {
2471 g_assert (klass->type_token);
2473 /* Find a typespec for a class if possible */
2474 token = find_typespec_for_class (acfg, klass);
2476 encode_value (MONO_AOT_TYPEREF_TYPESPEC_TOKEN, p, &p);
2477 encode_value (token, p, &p);
2479 MonoClass *gclass = klass->generic_class->container_class;
2480 MonoGenericInst *inst = klass->generic_class->context.class_inst;
2481 static int count = 0;
2484 encode_value (MONO_AOT_TYPEREF_GINST, p, &p);
2485 encode_klass_ref (acfg, gclass, p, &p);
2486 encode_ginst (acfg, inst, p, &p);
2490 } else if (klass->type_token) {
2491 int iindex = get_image_index (acfg, klass->image);
2493 g_assert (mono_metadata_token_code (klass->type_token) == MONO_TOKEN_TYPE_DEF);
2495 encode_value (MONO_AOT_TYPEREF_TYPEDEF_INDEX, p, &p);
2496 encode_value (klass->type_token - MONO_TOKEN_TYPE_DEF, p, &p);
2498 encode_value (MONO_AOT_TYPEREF_TYPEDEF_INDEX_IMAGE, p, &p);
2499 encode_value (klass->type_token - MONO_TOKEN_TYPE_DEF, p, &p);
2500 encode_value (get_image_index (acfg, klass->image), p, &p);
2502 } else if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR)) {
2503 MonoGenericContainer *container = mono_type_get_generic_param_owner (&klass->byval_arg);
2504 MonoGenericParam *par = klass->byval_arg.data.generic_param;
2506 encode_value (MONO_AOT_TYPEREF_VAR, p, &p);
2507 encode_value (klass->byval_arg.type, p, &p);
2508 encode_value (mono_type_get_generic_param_num (&klass->byval_arg), p, &p);
2510 encode_value (container ? 1 : 0, p, &p);
2512 encode_value (container->is_method, p, &p);
2513 g_assert (!par->gshared_constraint);
2514 if (container->is_method)
2515 encode_method_ref (acfg, container->owner.method, p, &p);
2517 encode_klass_ref (acfg, container->owner.klass, p, &p);
2519 encode_value (par->gshared_constraint ? 1 : 0, p, &p);
2520 if (par->gshared_constraint) {
2523 encode_type (acfg, par->gshared_constraint, p, &p);
2525 name = mono_generic_param_name (par);
2527 int len = strlen (name);
2529 encode_value (len, p, &p);
2530 memcpy (p, name, len);
2533 encode_value (0, p, &p);
2537 } else if (klass->byval_arg.type == MONO_TYPE_PTR) {
2538 encode_value (MONO_AOT_TYPEREF_PTR, p, &p);
2539 encode_type (acfg, &klass->byval_arg, p, &p);
2542 g_assert (klass->rank > 0);
2543 encode_value (MONO_AOT_TYPEREF_ARRAY, p, &p);
2544 encode_value (klass->rank, p, &p);
2545 encode_klass_ref (acfg, klass->element_class, p, &p);
2553 * Encode a reference to KLASS. We use our home-grown encoding instead of the
2554 * standard metadata encoding.
2557 encode_klass_ref (MonoAotCompile *acfg, MonoClass *klass, guint8 *buf, guint8 **endbuf)
2559 gboolean shared = FALSE;
2562 * The encoding of generic instances is large so emit them only once.
2564 if (klass->generic_class) {
2566 g_assert (klass->type_token);
2568 /* Find a typespec for a class if possible */
2569 token = find_typespec_for_class (acfg, klass);
2572 } else if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR)) {
2577 guint offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->klass_blob_hash, klass));
2581 buf2 = g_malloc (1024);
2584 encode_klass_ref_inner (acfg, klass, p, &p);
2585 g_assert (p - buf2 < 1024);
2587 offset = add_to_blob (acfg, buf2, p - buf2);
2590 g_hash_table_insert (acfg->klass_blob_hash, klass, GUINT_TO_POINTER (offset + 1));
2596 encode_value (MONO_AOT_TYPEREF_BLOB_INDEX, p, &p);
2597 encode_value (offset, p, &p);
2602 encode_klass_ref_inner (acfg, klass, buf, endbuf);
2606 encode_field_info (MonoAotCompile *cfg, MonoClassField *field, guint8 *buf, guint8 **endbuf)
2608 guint32 token = mono_get_field_token (field);
2611 encode_klass_ref (cfg, field->parent, p, &p);
2612 g_assert (mono_metadata_token_code (token) == MONO_TOKEN_FIELD_DEF);
2613 encode_value (token - MONO_TOKEN_FIELD_DEF, p, &p);
2618 encode_ginst (MonoAotCompile *acfg, MonoGenericInst *inst, guint8 *buf, guint8 **endbuf)
2623 encode_value (inst->type_argc, p, &p);
2624 for (i = 0; i < inst->type_argc; ++i)
2625 encode_klass_ref (acfg, mono_class_from_mono_type (inst->type_argv [i]), p, &p);
2630 encode_generic_context (MonoAotCompile *acfg, MonoGenericContext *context, guint8 *buf, guint8 **endbuf)
2633 MonoGenericInst *inst;
2635 inst = context->class_inst;
2637 g_assert (inst->type_argc);
2638 encode_ginst (acfg, inst, p, &p);
2640 encode_value (0, p, &p);
2642 inst = context->method_inst;
2644 g_assert (inst->type_argc);
2645 encode_ginst (acfg, inst, p, &p);
2647 encode_value (0, p, &p);
2653 encode_type (MonoAotCompile *acfg, MonoType *t, guint8 *buf, guint8 **endbuf)
2657 g_assert (t->num_mods == 0);
2658 /* t->attrs can be ignored */
2659 //g_assert (t->attrs == 0);
2662 *p = MONO_TYPE_PINNED;
2666 *p = MONO_TYPE_BYREF;
2674 case MONO_TYPE_VOID:
2675 case MONO_TYPE_BOOLEAN:
2676 case MONO_TYPE_CHAR:
2689 case MONO_TYPE_STRING:
2690 case MONO_TYPE_OBJECT:
2691 case MONO_TYPE_TYPEDBYREF:
2693 case MONO_TYPE_VALUETYPE:
2694 case MONO_TYPE_CLASS:
2695 encode_klass_ref (acfg, mono_class_from_mono_type (t), p, &p);
2697 case MONO_TYPE_SZARRAY:
2698 encode_klass_ref (acfg, t->data.klass, p, &p);
2701 encode_type (acfg, t->data.type, p, &p);
2703 case MONO_TYPE_GENERICINST: {
2704 MonoClass *gclass = t->data.generic_class->container_class;
2705 MonoGenericInst *inst = t->data.generic_class->context.class_inst;
2707 encode_klass_ref (acfg, gclass, p, &p);
2708 encode_ginst (acfg, inst, p, &p);
2711 case MONO_TYPE_ARRAY: {
2712 MonoArrayType *array = t->data.array;
2715 encode_klass_ref (acfg, array->eklass, p, &p);
2716 encode_value (array->rank, p, &p);
2717 encode_value (array->numsizes, p, &p);
2718 for (i = 0; i < array->numsizes; ++i)
2719 encode_value (array->sizes [i], p, &p);
2720 encode_value (array->numlobounds, p, &p);
2721 for (i = 0; i < array->numlobounds; ++i)
2722 encode_value (array->lobounds [i], p, &p);
2726 case MONO_TYPE_MVAR:
2727 encode_klass_ref (acfg, mono_class_from_mono_type (t), p, &p);
2730 g_assert_not_reached ();
2737 encode_signature (MonoAotCompile *acfg, MonoMethodSignature *sig, guint8 *buf, guint8 **endbuf)
2743 /* Similar to the metadata encoding */
2744 if (sig->generic_param_count)
2748 if (sig->explicit_this)
2750 flags |= (sig->call_convention & 0x0F);
2754 if (sig->generic_param_count)
2755 encode_value (sig->generic_param_count, p, &p);
2756 encode_value (sig->param_count, p, &p);
2758 encode_type (acfg, sig->ret, p, &p);
2759 for (i = 0; i < sig->param_count; ++i) {
2760 if (sig->sentinelpos == i) {
2761 *p = MONO_TYPE_SENTINEL;
2764 encode_type (acfg, sig->params [i], p, &p);
2770 #define MAX_IMAGE_INDEX 250
2773 encode_method_ref (MonoAotCompile *acfg, MonoMethod *method, guint8 *buf, guint8 **endbuf)
2775 guint32 image_index = get_image_index (acfg, method->klass->image);
2776 guint32 token = method->token;
2777 MonoJumpInfoToken *ji;
2781 * The encoding for most methods is as follows:
2782 * - image index encoded as a leb128
2783 * - token index encoded as a leb128
2784 * Values of image index >= MONO_AOT_METHODREF_MIN are used to mark additional
2785 * types of method encodings.
2788 /* Mark methods which can't use aot trampolines because they need the further
2789 * processing in mono_magic_trampoline () which requires a MonoMethod*.
2791 if ((method->is_generic && (method->flags & METHOD_ATTRIBUTE_VIRTUAL)) ||
2792 (method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED))
2793 encode_value ((MONO_AOT_METHODREF_NO_AOT_TRAMPOLINE << 24), p, &p);
2795 if (method->wrapper_type) {
2796 encode_value ((MONO_AOT_METHODREF_WRAPPER << 24), p, &p);
2798 encode_value (method->wrapper_type, p, &p);
2800 switch (method->wrapper_type) {
2801 case MONO_WRAPPER_REMOTING_INVOKE:
2802 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2803 case MONO_WRAPPER_XDOMAIN_INVOKE: {
2806 m = mono_marshal_method_from_wrapper (method);
2808 encode_method_ref (acfg, m, p, &p);
2811 case MONO_WRAPPER_PROXY_ISINST:
2812 case MONO_WRAPPER_LDFLD:
2813 case MONO_WRAPPER_LDFLDA:
2814 case MONO_WRAPPER_STFLD:
2815 case MONO_WRAPPER_ISINST: {
2816 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
2819 encode_klass_ref (acfg, info->d.proxy.klass, p, &p);
2822 case MONO_WRAPPER_LDFLD_REMOTE:
2823 case MONO_WRAPPER_STFLD_REMOTE:
2825 case MONO_WRAPPER_ALLOC: {
2826 AllocatorWrapperInfo *info = mono_marshal_get_wrapper_info (method);
2828 /* The GC name is saved once in MonoAotFileInfo */
2829 g_assert (info->alloc_type != -1);
2830 encode_value (info->alloc_type, p, &p);
2833 case MONO_WRAPPER_WRITE_BARRIER:
2835 case MONO_WRAPPER_STELEMREF: {
2836 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
2839 encode_value (info->subtype, p, &p);
2840 if (info->subtype == WRAPPER_SUBTYPE_VIRTUAL_STELEMREF)
2841 encode_value (info->d.virtual_stelemref.kind, p, &p);
2844 case MONO_WRAPPER_UNKNOWN: {
2845 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
2848 encode_value (info->subtype, p, &p);
2849 if (info->subtype == WRAPPER_SUBTYPE_PTR_TO_STRUCTURE ||
2850 info->subtype == WRAPPER_SUBTYPE_STRUCTURE_TO_PTR)
2851 encode_klass_ref (acfg, method->klass, p, &p);
2852 else if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER)
2853 encode_method_ref (acfg, info->d.synchronized_inner.method, p, &p);
2854 else if (info->subtype == WRAPPER_SUBTYPE_ARRAY_ACCESSOR)
2855 encode_method_ref (acfg, info->d.array_accessor.method, p, &p);
2858 case MONO_WRAPPER_MANAGED_TO_NATIVE: {
2859 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
2862 encode_value (info->subtype, p, &p);
2863 if (info->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
2864 strcpy ((char*)p, method->name);
2865 p += strlen (method->name) + 1;
2866 } else if (info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT) {
2867 encode_method_ref (acfg, info->d.managed_to_native.method, p, &p);
2869 g_assert (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_PINVOKE);
2870 encode_method_ref (acfg, info->d.managed_to_native.method, p, &p);
2874 case MONO_WRAPPER_SYNCHRONIZED: {
2877 m = mono_marshal_method_from_wrapper (method);
2879 g_assert (m != method);
2880 encode_method_ref (acfg, m, p, &p);
2883 case MONO_WRAPPER_MANAGED_TO_MANAGED: {
2884 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
2887 encode_value (info->subtype, p, &p);
2889 if (info->subtype == WRAPPER_SUBTYPE_ELEMENT_ADDR) {
2890 encode_value (info->d.element_addr.rank, p, &p);
2891 encode_value (info->d.element_addr.elem_size, p, &p);
2892 } else if (info->subtype == WRAPPER_SUBTYPE_STRING_CTOR) {
2893 encode_method_ref (acfg, info->d.string_ctor.method, p, &p);
2895 g_assert_not_reached ();
2899 case MONO_WRAPPER_CASTCLASS: {
2900 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
2903 encode_value (info->subtype, p, &p);
2906 case MONO_WRAPPER_RUNTIME_INVOKE: {
2907 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
2910 encode_value (info->subtype, p, &p);
2911 encode_value (info->d.runtime_invoke.pass_rgctx, p, &p);
2912 if (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL)
2913 encode_method_ref (acfg, info->d.runtime_invoke.method, p, &p);
2914 else if (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL)
2915 encode_signature (acfg, info->d.runtime_invoke.sig, p, &p);
2918 case MONO_WRAPPER_DELEGATE_INVOKE:
2919 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE:
2920 case MONO_WRAPPER_DELEGATE_END_INVOKE: {
2921 if (method->is_inflated) {
2922 /* These wrappers are identified by their class */
2923 encode_value (1, p, &p);
2924 encode_klass_ref (acfg, method->klass, p, &p);
2926 MonoMethodSignature *sig = mono_method_signature (method);
2927 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
2929 encode_value (0, p, &p);
2930 if (method->wrapper_type == MONO_WRAPPER_DELEGATE_INVOKE)
2931 encode_value (info ? info->subtype : 0, p, &p);
2932 encode_signature (acfg, sig, p, &p);
2936 case MONO_WRAPPER_NATIVE_TO_MANAGED: {
2937 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
2940 encode_method_ref (acfg, info->d.native_to_managed.method, p, &p);
2941 encode_klass_ref (acfg, info->d.native_to_managed.klass, p, &p);
2945 g_assert_not_reached ();
2947 } else if (mono_method_signature (method)->is_inflated) {
2949 * This is a generic method, find the original token which referenced it and
2951 * Obtain the token from information recorded by the JIT.
2953 ji = g_hash_table_lookup (acfg->token_info_hash, method);
2955 image_index = get_image_index (acfg, ji->image);
2956 g_assert (image_index < MAX_IMAGE_INDEX);
2959 encode_value ((MONO_AOT_METHODREF_METHODSPEC << 24), p, &p);
2960 encode_value (image_index, p, &p);
2961 encode_value (token, p, &p);
2963 MonoMethod *declaring;
2964 MonoGenericContext *context = mono_method_get_context (method);
2966 g_assert (method->is_inflated);
2967 declaring = ((MonoMethodInflated*)method)->declaring;
2970 * This might be a non-generic method of a generic instance, which
2971 * doesn't have a token since the reference is generated by the JIT
2972 * like Nullable:Box/Unbox, or by generic sharing.
2974 encode_value ((MONO_AOT_METHODREF_GINST << 24), p, &p);
2975 /* Encode the klass */
2976 encode_klass_ref (acfg, method->klass, p, &p);
2977 /* Encode the method */
2978 image_index = get_image_index (acfg, method->klass->image);
2979 g_assert (image_index < MAX_IMAGE_INDEX);
2980 g_assert (declaring->token);
2981 token = declaring->token;
2982 g_assert (mono_metadata_token_table (token) == MONO_TABLE_METHOD);
2983 encode_value (image_index, p, &p);
2984 encode_value (token, p, &p);
2985 encode_generic_context (acfg, context, p, &p);
2987 } else if (token == 0) {
2988 /* This might be a method of a constructed type like int[,].Set */
2989 /* Obtain the token from information recorded by the JIT */
2990 ji = g_hash_table_lookup (acfg->token_info_hash, method);
2992 image_index = get_image_index (acfg, ji->image);
2993 g_assert (image_index < MAX_IMAGE_INDEX);
2996 encode_value ((MONO_AOT_METHODREF_METHODSPEC << 24), p, &p);
2997 encode_value (image_index, p, &p);
2998 encode_value (token, p, &p);
3001 g_assert (method->klass->rank);
3003 /* Encode directly */
3004 encode_value ((MONO_AOT_METHODREF_ARRAY << 24), p, &p);
3005 encode_klass_ref (acfg, method->klass, p, &p);
3006 if (!strcmp (method->name, ".ctor") && mono_method_signature (method)->param_count == method->klass->rank)
3007 encode_value (0, p, &p);
3008 else if (!strcmp (method->name, ".ctor") && mono_method_signature (method)->param_count == method->klass->rank * 2)
3009 encode_value (1, p, &p);
3010 else if (!strcmp (method->name, "Get"))
3011 encode_value (2, p, &p);
3012 else if (!strcmp (method->name, "Address"))
3013 encode_value (3, p, &p);
3014 else if (!strcmp (method->name, "Set"))
3015 encode_value (4, p, &p);
3017 g_assert_not_reached ();
3020 g_assert (mono_metadata_token_table (token) == MONO_TABLE_METHOD);
3022 if (image_index >= MONO_AOT_METHODREF_MIN) {
3023 encode_value ((MONO_AOT_METHODREF_LARGE_IMAGE_INDEX << 24), p, &p);
3024 encode_value (image_index, p, &p);
3025 encode_value (mono_metadata_token_index (token), p, &p);
3027 encode_value ((image_index << 24) | mono_metadata_token_index (token), p, &p);
3034 compare_patches (gconstpointer a, gconstpointer b)
3038 i = (*(MonoJumpInfo**)a)->ip.i;
3039 j = (*(MonoJumpInfo**)b)->ip.i;
3050 static G_GNUC_UNUSED char*
3051 patch_to_string (MonoJumpInfo *patch_info)
3055 str = g_string_new ("");
3057 g_string_append_printf (str, "%s(", get_patch_name (patch_info->type));
3059 switch (patch_info->type) {
3060 case MONO_PATCH_INFO_VTABLE:
3061 mono_type_get_desc (str, &patch_info->data.klass->byval_arg, TRUE);
3066 g_string_append_printf (str, ")");
3067 return g_string_free (str, FALSE);
3073 * Return whenever PATCH_INFO refers to a direct call, and thus requires a
3076 static inline gboolean
3077 is_plt_patch (MonoJumpInfo *patch_info)
3079 switch (patch_info->type) {
3080 case MONO_PATCH_INFO_METHOD:
3081 case MONO_PATCH_INFO_INTERNAL_METHOD:
3082 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3083 case MONO_PATCH_INFO_ICALL_ADDR:
3084 case MONO_PATCH_INFO_RGCTX_FETCH:
3085 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3095 * Return the symbol identifying the plt entry PLT_OFFSET.
3098 get_plt_symbol (MonoAotCompile *acfg, int plt_offset, MonoJumpInfo *patch_info)
3102 * The Apple linker reorganizes object files, so it doesn't like branches to local
3103 * labels, since those have no relocations.
3105 return g_strdup_printf ("%sp_%d", acfg->llvm_label_prefix, plt_offset);
3107 return g_strdup_printf ("%sp_%d", acfg->temp_prefix, plt_offset);
3114 * Return a PLT entry which belongs to the method identified by PATCH_INFO.
3116 static MonoPltEntry*
3117 get_plt_entry (MonoAotCompile *acfg, MonoJumpInfo *patch_info)
3120 gboolean synchronized = FALSE;
3121 static int synchronized_symbol_idx;
3123 if (!is_plt_patch (patch_info))
3126 if (!acfg->patch_to_plt_entry [patch_info->type])
3127 acfg->patch_to_plt_entry [patch_info->type] = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
3128 res = g_hash_table_lookup (acfg->patch_to_plt_entry [patch_info->type], patch_info);
3130 if (!acfg->llvm && patch_info->type == MONO_PATCH_INFO_METHOD && (patch_info->data.method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)) {
3132 * Allocate a separate PLT slot for each such patch, since some plt
3133 * entries will refer to the method itself, and some will refer to the
3137 synchronized = TRUE;
3141 MonoJumpInfo *new_ji;
3143 new_ji = mono_patch_info_dup_mp (acfg->mempool, patch_info);
3145 res = mono_mempool_alloc0 (acfg->mempool, sizeof (MonoPltEntry));
3146 res->plt_offset = acfg->plt_offset;
3148 res->symbol = get_plt_symbol (acfg, res->plt_offset, patch_info);
3149 if (acfg->aot_opts.write_symbols)
3150 res->debug_sym = get_plt_entry_debug_sym (acfg, res->ji, acfg->plt_entry_debug_sym_cache);
3152 /* Avoid duplicate symbols because we don't cache */
3153 res->symbol = g_strdup_printf ("%s_%d", res->symbol, synchronized_symbol_idx);
3155 res->debug_sym = g_strdup_printf ("%s_%d", res->debug_sym, synchronized_symbol_idx);
3156 synchronized_symbol_idx ++;
3159 res->llvm_symbol = g_strdup_printf ("%s_%s_llvm", res->symbol, res->debug_sym);
3161 res->llvm_symbol = g_strdup_printf ("%s_llvm", res->symbol);
3163 g_hash_table_insert (acfg->patch_to_plt_entry [new_ji->type], new_ji, res);
3165 g_hash_table_insert (acfg->plt_offset_to_entry, GUINT_TO_POINTER (res->plt_offset), res);
3167 //g_assert (mono_patch_info_equal (patch_info, new_ji));
3168 //mono_print_ji (patch_info); printf ("\n");
3169 //g_hash_table_print_stats (acfg->patch_to_plt_entry);
3171 acfg->plt_offset ++;
3180 * Returns the offset of the GOT slot where the runtime object resulting from resolving
3181 * JI could be found if it exists, otherwise allocates a new one.
3184 get_got_offset (MonoAotCompile *acfg, gboolean llvm, MonoJumpInfo *ji)
3187 GotInfo *info = llvm ? &acfg->llvm_got_info : &acfg->got_info;
3189 got_offset = GPOINTER_TO_UINT (g_hash_table_lookup (info->patch_to_got_offset_by_type [ji->type], ji));
3191 return got_offset - 1;
3194 got_offset = acfg->llvm_got_offset;
3195 acfg->llvm_got_offset ++;
3197 got_offset = acfg->got_offset;
3198 acfg->got_offset ++;
3201 acfg->stats.got_slots ++;
3202 acfg->stats.got_slot_types [ji->type] ++;
3204 g_hash_table_insert (info->patch_to_got_offset, ji, GUINT_TO_POINTER (got_offset + 1));
3205 g_hash_table_insert (info->patch_to_got_offset_by_type [ji->type], ji, GUINT_TO_POINTER (got_offset + 1));
3206 g_ptr_array_add (info->got_patches, ji);
3211 /* Add a method to the list of methods which need to be emitted */
3213 add_method_with_index (MonoAotCompile *acfg, MonoMethod *method, int index, gboolean extra)
3216 if (!g_hash_table_lookup (acfg->method_indexes, method)) {
3217 g_ptr_array_add (acfg->methods, method);
3218 g_hash_table_insert (acfg->method_indexes, method, GUINT_TO_POINTER (index + 1));
3219 acfg->nmethods = acfg->methods->len + 1;
3222 if (method->wrapper_type || extra)
3223 g_ptr_array_add (acfg->extra_methods, method);
3227 prefer_gsharedvt_method (MonoAotCompile *acfg, MonoMethod *method)
3229 /* One instantiation with valuetypes is generated for each async method */
3230 if (method->klass->image == mono_defaults.corlib && (!strcmp (method->klass->name, "AsyncMethodBuilderCore") || !strcmp (method->klass->name, "AsyncVoidMethodBuilder")))
3237 get_method_index (MonoAotCompile *acfg, MonoMethod *method)
3239 int index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_indexes, method));
3247 add_method_full (MonoAotCompile *acfg, MonoMethod *method, gboolean extra, int depth)
3251 index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_indexes, method));
3255 index = acfg->method_index;
3256 add_method_with_index (acfg, method, index, extra);
3258 g_ptr_array_add (acfg->method_order, GUINT_TO_POINTER (index));
3260 g_hash_table_insert (acfg->method_depth, method, GUINT_TO_POINTER (depth));
3262 acfg->method_index ++;
3268 add_method (MonoAotCompile *acfg, MonoMethod *method)
3270 return add_method_full (acfg, method, FALSE, 0);
3274 add_extra_method_with_depth (MonoAotCompile *acfg, MonoMethod *method, int depth)
3276 if (mono_method_is_generic_sharable_full (method, TRUE, TRUE, FALSE))
3277 method = mini_get_shared_method (method);
3278 else if ((acfg->opts & MONO_OPT_GSHAREDVT) && prefer_gsharedvt_method (acfg, method) && mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE))
3279 /* Use the gsharedvt version */
3280 method = mini_get_shared_method_full (method, TRUE, TRUE);
3282 if (acfg->aot_opts.log_generics)
3283 aot_printf (acfg, "%*sAdding method %s.\n", depth, "", mono_method_full_name (method, TRUE));
3285 add_method_full (acfg, method, TRUE, depth);
3289 add_extra_method (MonoAotCompile *acfg, MonoMethod *method)
3291 add_extra_method_with_depth (acfg, method, 0);
3295 add_jit_icall_wrapper (gpointer key, gpointer value, gpointer user_data)
3297 MonoAotCompile *acfg = user_data;
3298 MonoJitICallInfo *callinfo = value;
3299 MonoMethod *wrapper;
3305 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
3306 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, TRUE);
3309 add_method (acfg, wrapper);
3313 get_runtime_invoke_sig (MonoMethodSignature *sig)
3315 MonoMethodBuilder *mb;
3318 mb = mono_mb_new (mono_defaults.object_class, "FOO", MONO_WRAPPER_NONE);
3319 m = mono_mb_create_method (mb, sig, 16);
3320 return mono_marshal_get_runtime_invoke (m, FALSE, FALSE);
3324 get_runtime_invoke (MonoAotCompile *acfg, MonoMethod *method, gboolean virtual)
3326 return mono_marshal_get_runtime_invoke (method, virtual, acfg->aot_opts.llvm_only && mono_method_needs_static_rgctx_invoke (method, TRUE));
3330 can_marshal_struct (MonoClass *klass)
3332 MonoClassField *field;
3333 gboolean can_marshal = TRUE;
3334 gpointer iter = NULL;
3335 MonoMarshalType *info;
3338 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
3341 info = mono_marshal_load_type_info (klass);
3343 /* Only allow a few field types to avoid asserts in the marshalling code */
3344 while ((field = mono_class_get_fields (klass, &iter))) {
3345 if ((field->type->attrs & FIELD_ATTRIBUTE_STATIC))
3348 switch (field->type->type) {
3353 case MONO_TYPE_BOOLEAN:
3356 case MONO_TYPE_CHAR:
3364 case MONO_TYPE_STRING:
3366 case MONO_TYPE_VALUETYPE:
3367 if (!mono_class_from_mono_type (field->type)->enumtype && !can_marshal_struct (mono_class_from_mono_type (field->type)))
3368 can_marshal = FALSE;
3370 case MONO_TYPE_SZARRAY: {
3371 gboolean has_mspec = FALSE;
3374 for (i = 0; i < info->num_fields; ++i) {
3375 if (info->fields [i].field == field && info->fields [i].mspec)
3380 can_marshal = FALSE;
3384 can_marshal = FALSE;
3390 /* Its hard to compute whenever these can be marshalled or not */
3391 if (!strcmp (klass->name_space, "System.Net.NetworkInformation.MacOsStructs") && strcmp (klass->name, "sockaddr_dl"))
3398 create_gsharedvt_inst (MonoAotCompile *acfg, MonoMethod *method, MonoGenericContext *ctx)
3400 /* Create a vtype instantiation */
3401 MonoGenericContext shared_context;
3403 MonoGenericInst *inst;
3404 MonoGenericContainer *container;
3405 MonoClass **constraints;
3408 memset (ctx, 0, sizeof (MonoGenericContext));
3410 if (method->klass->generic_container) {
3411 shared_context = method->klass->generic_container->context;
3412 inst = shared_context.class_inst;
3414 args = g_new0 (MonoType*, inst->type_argc);
3415 for (i = 0; i < inst->type_argc; ++i) {
3416 args [i] = &mono_defaults.int_class->byval_arg;
3418 ctx->class_inst = mono_metadata_get_generic_inst (inst->type_argc, args);
3420 if (method->is_generic) {
3421 container = mono_method_get_generic_container (method);
3422 shared_context = container->context;
3423 inst = shared_context.method_inst;
3425 args = g_new0 (MonoType*, inst->type_argc);
3426 for (i = 0; i < container->type_argc; ++i) {
3427 MonoGenericParamInfo *info = &container->type_params [i].info;
3428 gboolean ref_only = FALSE;
3430 if (info && info->constraints) {
3431 constraints = info->constraints;
3433 while (*constraints) {
3434 MonoClass *cklass = *constraints;
3435 if (!(cklass == mono_defaults.object_class || (cklass->image == mono_defaults.corlib && !strcmp (cklass->name, "ValueType"))))
3436 /* Inflaring the method with our vtype would not be valid */
3443 args [i] = &mono_defaults.object_class->byval_arg;
3445 args [i] = &mono_defaults.int_class->byval_arg;
3447 ctx->method_inst = mono_metadata_get_generic_inst (inst->type_argc, args);
3452 add_wrappers (MonoAotCompile *acfg)
3454 MonoMethod *method, *m;
3456 MonoMethodSignature *sig, *csig;
3460 * FIXME: Instead of AOTing all the wrappers, it might be better to redesign them
3461 * so there is only one wrapper of a given type, or inlining their contents into their
3464 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
3467 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
3468 gboolean skip = FALSE;
3470 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
3471 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
3473 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
3474 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
3475 (method->flags & METHOD_ATTRIBUTE_ABSTRACT))
3478 /* Skip methods which can not be handled by get_runtime_invoke () */
3479 sig = mono_method_signature (method);
3482 if ((sig->ret->type == MONO_TYPE_PTR) ||
3483 (sig->ret->type == MONO_TYPE_TYPEDBYREF))
3485 if (mono_class_is_open_constructed_type (sig->ret))
3488 for (j = 0; j < sig->param_count; j++) {
3489 if (sig->params [j]->type == MONO_TYPE_TYPEDBYREF)
3491 if (mono_class_is_open_constructed_type (sig->params [j]))
3495 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
3496 if (!mono_class_is_contextbound (method->klass)) {
3497 MonoDynCallInfo *info = mono_arch_dyn_call_prepare (sig);
3498 gboolean has_nullable = FALSE;
3500 for (j = 0; j < sig->param_count; j++) {
3501 if (sig->params [j]->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (sig->params [j])))
3502 has_nullable = TRUE;
3505 if (info && !has_nullable && !acfg->aot_opts.llvm_only) {
3506 /* Supported by the dynamic runtime-invoke wrapper */
3510 mono_arch_dyn_call_free (info);
3515 //printf ("%s\n", mono_method_full_name (method, TRUE));
3516 add_method (acfg, get_runtime_invoke (acfg, method, FALSE));
3520 if (strcmp (acfg->image->assembly->aname.name, "mscorlib") == 0) {
3523 /* Runtime invoke wrappers */
3525 /* void runtime-invoke () [.cctor] */
3526 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3527 csig->ret = &mono_defaults.void_class->byval_arg;
3528 add_method (acfg, get_runtime_invoke_sig (csig));
3530 /* void runtime-invoke () [Finalize] */
3531 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3533 csig->ret = &mono_defaults.void_class->byval_arg;
3534 add_method (acfg, get_runtime_invoke_sig (csig));
3536 /* void runtime-invoke (string) [exception ctor] */
3537 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
3539 csig->ret = &mono_defaults.void_class->byval_arg;
3540 csig->params [0] = &mono_defaults.string_class->byval_arg;
3541 add_method (acfg, get_runtime_invoke_sig (csig));
3543 /* void runtime-invoke (string, string) [exception ctor] */
3544 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
3546 csig->ret = &mono_defaults.void_class->byval_arg;
3547 csig->params [0] = &mono_defaults.string_class->byval_arg;
3548 csig->params [1] = &mono_defaults.string_class->byval_arg;
3549 add_method (acfg, get_runtime_invoke_sig (csig));
3551 /* string runtime-invoke () [Exception.ToString ()] */
3552 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3554 csig->ret = &mono_defaults.string_class->byval_arg;
3555 add_method (acfg, get_runtime_invoke_sig (csig));
3557 /* void runtime-invoke (string, Exception) [exception ctor] */
3558 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
3560 csig->ret = &mono_defaults.void_class->byval_arg;
3561 csig->params [0] = &mono_defaults.string_class->byval_arg;
3562 csig->params [1] = &mono_defaults.exception_class->byval_arg;
3563 add_method (acfg, get_runtime_invoke_sig (csig));
3565 /* Assembly runtime-invoke (string, bool) [DoAssemblyResolve] */
3566 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
3568 csig->ret = &(mono_class_from_name (
3569 mono_defaults.corlib, "System.Reflection", "Assembly"))->byval_arg;
3570 csig->params [0] = &mono_defaults.string_class->byval_arg;
3571 csig->params [1] = &mono_defaults.boolean_class->byval_arg;
3572 add_method (acfg, get_runtime_invoke_sig (csig));
3574 /* runtime-invoke used by finalizers */
3575 add_method (acfg, get_runtime_invoke (acfg, mono_class_get_method_from_name_flags (mono_defaults.object_class, "Finalize", 0, 0), TRUE));
3577 /* This is used by mono_runtime_capture_context () */
3578 method = mono_get_context_capture_method ();
3580 add_method (acfg, get_runtime_invoke (acfg, method, FALSE));
3582 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
3583 if (!acfg->aot_opts.llvm_only)
3584 add_method (acfg, mono_marshal_get_runtime_invoke_dynamic ());
3588 add_method (acfg, mono_marshal_get_stelemref ());
3590 if (MONO_ARCH_HAVE_TLS_GET) {
3591 /* Managed Allocators */
3592 nallocators = mono_gc_get_managed_allocator_types ();
3593 for (i = 0; i < nallocators; ++i) {
3594 m = mono_gc_get_managed_allocator_by_type (i, TRUE);
3596 add_method (acfg, m);
3598 for (i = 0; i < nallocators; ++i) {
3599 m = mono_gc_get_managed_allocator_by_type (i, FALSE);
3601 add_method (acfg, m);
3605 /* write barriers */
3606 if (mono_gc_is_moving ()) {
3607 add_method (acfg, mono_gc_get_specific_write_barrier (FALSE));
3608 add_method (acfg, mono_gc_get_specific_write_barrier (TRUE));
3611 /* Stelemref wrappers */
3613 MonoMethod **wrappers;
3616 wrappers = mono_marshal_get_virtual_stelemref_wrappers (&nwrappers);
3617 for (i = 0; i < nwrappers; ++i)
3618 add_method (acfg, wrappers [i]);
3622 /* castclass_with_check wrapper */
3623 add_method (acfg, mono_marshal_get_castclass_with_cache ());
3624 /* isinst_with_check wrapper */
3625 add_method (acfg, mono_marshal_get_isinst_with_cache ());
3627 /* JIT icall wrappers */
3628 /* FIXME: locking - this is "safe" as full-AOT threads don't mutate the icall hash*/
3629 g_hash_table_foreach (mono_get_jit_icall_info (), add_jit_icall_wrapper, acfg);
3633 * remoting-invoke-with-check wrappers are very frequent, so avoid emitting them,
3634 * we use the original method instead at runtime.
3635 * Since full-aot doesn't support remoting, this is not a problem.
3638 /* remoting-invoke wrappers */
3639 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
3640 MonoMethodSignature *sig;
3642 token = MONO_TOKEN_METHOD_DEF | (i + 1);
3643 method = mono_get_method (acfg->image, token, NULL);
3645 sig = mono_method_signature (method);
3647 if (sig->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class)) {
3648 m = mono_marshal_get_remoting_invoke_with_check (method);
3650 add_method (acfg, m);
3655 /* delegate-invoke wrappers */
3656 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
3659 MonoCustomAttrInfo *cattr;
3661 token = MONO_TOKEN_TYPE_DEF | (i + 1);
3662 klass = mono_class_get_checked (acfg->image, token, &error);
3665 mono_error_cleanup (&error);
3669 if (!klass->delegate || klass == mono_defaults.delegate_class || klass == mono_defaults.multicastdelegate_class)
3672 if (!klass->generic_container) {
3673 method = mono_get_delegate_invoke (klass);
3675 m = mono_marshal_get_delegate_invoke (method, NULL);
3677 add_method (acfg, m);
3679 method = mono_class_get_method_from_name_flags (klass, "BeginInvoke", -1, 0);
3681 add_method (acfg, mono_marshal_get_delegate_begin_invoke (method));
3683 method = mono_class_get_method_from_name_flags (klass, "EndInvoke", -1, 0);
3685 add_method (acfg, mono_marshal_get_delegate_end_invoke (method));
3687 cattr = mono_custom_attrs_from_class (klass);
3692 for (j = 0; j < cattr->num_attrs; ++j)
3693 if (cattr->attrs [j].ctor && (!strcmp (cattr->attrs [j].ctor->klass->name, "MonoNativeFunctionWrapperAttribute") || !strcmp (cattr->attrs [j].ctor->klass->name, "UnmanagedFunctionPointerAttribute")))
3695 if (j < cattr->num_attrs) {
3697 MonoMethod *wrapper;
3698 MonoMethod *del_invoke;
3700 /* Add wrappers needed by mono_ftnptr_to_delegate () */
3701 invoke = mono_get_delegate_invoke (klass);
3702 wrapper = mono_marshal_get_native_func_wrapper_aot (klass);
3703 del_invoke = mono_marshal_get_delegate_invoke_internal (invoke, FALSE, TRUE, wrapper);
3704 add_method (acfg, wrapper);
3705 add_method (acfg, del_invoke);
3708 } else if ((acfg->opts & MONO_OPT_GSHAREDVT) && klass->generic_container) {
3710 MonoGenericContext ctx;
3711 MonoMethod *inst, *gshared;
3714 * Emit gsharedvt versions of the generic delegate-invoke wrappers
3717 method = mono_get_delegate_invoke (klass);
3718 create_gsharedvt_inst (acfg, method, &ctx);
3720 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
3721 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3723 m = mono_marshal_get_delegate_invoke (inst, NULL);
3724 g_assert (m->is_inflated);
3726 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
3727 add_extra_method (acfg, gshared);
3730 method = mono_get_delegate_begin_invoke (klass);
3731 create_gsharedvt_inst (acfg, method, &ctx);
3733 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
3734 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3736 m = mono_marshal_get_delegate_begin_invoke (inst);
3737 g_assert (m->is_inflated);
3739 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
3740 add_extra_method (acfg, gshared);
3743 method = mono_get_delegate_end_invoke (klass);
3744 create_gsharedvt_inst (acfg, method, &ctx);
3746 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
3747 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3749 m = mono_marshal_get_delegate_end_invoke (inst);
3750 g_assert (m->is_inflated);
3752 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
3753 add_extra_method (acfg, gshared);
3758 /* array access wrappers */
3759 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPESPEC].rows; ++i) {
3763 token = MONO_TOKEN_TYPE_SPEC | (i + 1);
3764 klass = mono_class_get_checked (acfg->image, token, &error);
3767 mono_error_cleanup (&error);
3771 if (klass->rank && MONO_TYPE_IS_PRIMITIVE (&klass->element_class->byval_arg)) {
3772 MonoMethod *m, *wrapper;
3774 /* Add runtime-invoke wrappers too */
3776 m = mono_class_get_method_from_name (klass, "Get", -1);
3778 wrapper = mono_marshal_get_array_accessor_wrapper (m);
3779 add_extra_method (acfg, wrapper);
3780 add_extra_method (acfg, get_runtime_invoke (acfg, wrapper, FALSE));
3782 m = mono_class_get_method_from_name (klass, "Set", -1);
3784 wrapper = mono_marshal_get_array_accessor_wrapper (m);
3785 add_extra_method (acfg, wrapper);
3786 add_extra_method (acfg, get_runtime_invoke (acfg, wrapper, FALSE));
3790 /* Synchronized wrappers */
3791 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
3793 token = MONO_TOKEN_METHOD_DEF | (i + 1);
3794 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
3795 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
3797 if (method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) {
3798 if (method->is_generic) {
3800 } else if ((acfg->opts & MONO_OPT_GSHAREDVT) && method->klass->generic_container) {
3802 MonoGenericContext ctx;
3803 MonoMethod *inst, *gshared, *m;
3806 * Create a generic wrapper for a generic instance, and AOT that.
3808 create_gsharedvt_inst (acfg, method, &ctx);
3809 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
3810 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3811 m = mono_marshal_get_synchronized_wrapper (inst);
3812 g_assert (m->is_inflated);
3813 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
3814 add_method (acfg, gshared);
3816 add_method (acfg, mono_marshal_get_synchronized_wrapper (method));
3821 /* pinvoke wrappers */
3822 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
3825 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
3827 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
3828 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
3830 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
3831 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)) {
3832 add_method (acfg, mono_marshal_get_native_wrapper (method, TRUE, TRUE));
3836 /* native-to-managed wrappers */
3837 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
3840 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
3841 MonoCustomAttrInfo *cattr;
3844 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
3845 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
3848 * Only generate native-to-managed wrappers for methods which have an
3849 * attribute named MonoPInvokeCallbackAttribute. We search for the attribute by
3850 * name to avoid defining a new assembly to contain it.
3852 cattr = mono_custom_attrs_from_method (method);
3855 for (j = 0; j < cattr->num_attrs; ++j)
3856 if (cattr->attrs [j].ctor && !strcmp (cattr->attrs [j].ctor->klass->name, "MonoPInvokeCallbackAttribute"))
3858 if (j < cattr->num_attrs) {
3859 MonoCustomAttrEntry *e = &cattr->attrs [j];
3860 MonoMethodSignature *sig = mono_method_signature (e->ctor);
3861 const char *p = (const char*)e->data;
3863 int slen, num_named, named_type;
3867 char *export_name = NULL;
3868 MonoMethod *wrapper;
3870 /* this cannot be enforced by the C# compiler so we must give the user some warning before aborting */
3871 if (!(method->flags & METHOD_ATTRIBUTE_STATIC)) {
3872 g_warning ("AOT restriction: Method '%s' must be static since it is decorated with [MonoPInvokeCallback]. See http://ios.xamarin.com/Documentation/Limitations#Reverse_Callbacks",
3873 mono_method_full_name (method, TRUE));
3877 g_assert (sig->param_count == 1);
3878 g_assert (sig->params [0]->type == MONO_TYPE_CLASS && !strcmp (mono_class_from_mono_type (sig->params [0])->name, "Type"));
3881 * Decode the cattr manually since we can't create objects
3882 * during aot compilation.
3888 /* From load_cattr_value () in reflection.c */
3889 slen = mono_metadata_decode_value (p, &p);
3890 n = g_memdup (p, slen + 1);
3892 t = mono_reflection_type_from_name (n, acfg->image);
3896 klass = mono_class_from_mono_type (t);
3897 g_assert (klass->parent == mono_defaults.multicastdelegate_class);
3901 num_named = read16 (p);
3904 g_assert (num_named < 2);
3905 if (num_named == 1) {
3909 /* parse ExportSymbol attribute */
3911 named_type = *named;
3913 /* data_type = *named; */
3916 name_len = mono_metadata_decode_blob_size (named, &named);
3917 name = g_malloc (name_len + 1);
3918 memcpy (name, named, name_len);
3919 name [name_len] = 0;
3922 g_assert (named_type == 0x54);
3923 g_assert (!strcmp (name, "ExportSymbol"));
3925 /* load_cattr_value (), string case */
3926 g_assert (*named != (char)0xff);
3927 slen = mono_metadata_decode_value (named, &named);
3928 export_name = g_malloc (slen + 1);
3929 memcpy (export_name, named, slen);
3930 export_name [slen] = 0;
3934 wrapper = mono_marshal_get_managed_wrapper (method, klass, 0);
3935 add_method (acfg, wrapper);
3937 g_hash_table_insert (acfg->export_names, wrapper, export_name);
3941 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
3942 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)) {
3943 add_method (acfg, mono_marshal_get_native_wrapper (method, TRUE, TRUE));
3947 /* StructureToPtr/PtrToStructure wrappers */
3948 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
3952 token = MONO_TOKEN_TYPE_DEF | (i + 1);
3953 klass = mono_class_get_checked (acfg->image, token, &error);
3956 mono_error_cleanup (&error);
3960 if (klass->valuetype && !klass->generic_container && can_marshal_struct (klass) &&
3961 !(klass->nested_in && strstr (klass->nested_in->name, "<PrivateImplementationDetails>") == klass->nested_in->name)) {
3962 add_method (acfg, mono_marshal_get_struct_to_ptr (klass));
3963 add_method (acfg, mono_marshal_get_ptr_to_struct (klass));
3969 has_type_vars (MonoClass *klass)
3971 if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR))
3974 return has_type_vars (klass->element_class);
3975 if (klass->generic_class) {
3976 MonoGenericContext *context = &klass->generic_class->context;
3977 if (context->class_inst) {
3980 for (i = 0; i < context->class_inst->type_argc; ++i)
3981 if (has_type_vars (mono_class_from_mono_type (context->class_inst->type_argv [i])))
3985 if (klass->generic_container)
3991 is_vt_inst (MonoGenericInst *inst)
3995 for (i = 0; i < inst->type_argc; ++i) {
3996 MonoType *t = inst->type_argv [i];
3997 if (MONO_TYPE_ISSTRUCT (t) || t->type == MONO_TYPE_VALUETYPE)
4004 method_has_type_vars (MonoMethod *method)
4006 if (has_type_vars (method->klass))
4009 if (method->is_inflated) {
4010 MonoGenericContext *context = mono_method_get_context (method);
4011 if (context->method_inst) {
4014 for (i = 0; i < context->method_inst->type_argc; ++i)
4015 if (has_type_vars (mono_class_from_mono_type (context->method_inst->type_argv [i])))
4023 gboolean mono_aot_mode_is_full (MonoAotOptions *opts)
4025 return opts->mode == MONO_AOT_MODE_FULL;
4028 static void add_generic_class_with_depth (MonoAotCompile *acfg, MonoClass *klass, int depth, const char *ref);
4031 add_generic_class (MonoAotCompile *acfg, MonoClass *klass, gboolean force, const char *ref)
4033 /* This might lead to a huge code blowup so only do it if neccesary */
4034 if (!mono_aot_mode_is_full (&acfg->aot_opts) && !force)
4037 add_generic_class_with_depth (acfg, klass, 0, ref);
4041 check_type_depth (MonoType *t, int depth)
4049 case MONO_TYPE_GENERICINST: {
4050 MonoGenericClass *gklass = t->data.generic_class;
4051 MonoGenericInst *ginst = gklass->context.class_inst;
4054 for (i = 0; i < ginst->type_argc; ++i) {
4055 if (check_type_depth (ginst->type_argv [i], depth + 1))
4069 add_types_from_method_header (MonoAotCompile *acfg, MonoMethod *method);
4072 * add_generic_class:
4074 * Add all methods of a generic class.
4077 add_generic_class_with_depth (MonoAotCompile *acfg, MonoClass *klass, int depth, const char *ref)
4080 MonoClassField *field;
4082 gboolean use_gsharedvt = FALSE;
4084 if (!acfg->ginst_hash)
4085 acfg->ginst_hash = g_hash_table_new (NULL, NULL);
4087 mono_class_init (klass);
4089 if (klass->generic_class && klass->generic_class->context.class_inst->is_open)
4092 if (has_type_vars (klass))
4095 if (!klass->generic_class && !klass->rank)
4098 if (klass->exception_type)
4101 if (!acfg->ginst_hash)
4102 acfg->ginst_hash = g_hash_table_new (NULL, NULL);
4104 if (g_hash_table_lookup (acfg->ginst_hash, klass))
4107 if (check_type_depth (&klass->byval_arg, 0))
4110 if (acfg->aot_opts.log_generics)
4111 aot_printf (acfg, "%*sAdding generic instance %s [%s].\n", depth, "", mono_type_full_name (&klass->byval_arg), ref);
4113 g_hash_table_insert (acfg->ginst_hash, klass, klass);
4116 * Use gsharedvt for generic collections with vtype arguments to avoid code blowup.
4117 * Enable this only for some classes since gsharedvt might not support all methods.
4119 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) &&
4120 (!strcmp (klass->name, "Dictionary`2") || !strcmp (klass->name, "List`1") || !strcmp (klass->name, "ReadOnlyCollection`1")))
4121 use_gsharedvt = TRUE;
4124 while ((method = mono_class_get_methods (klass, &iter))) {
4125 if ((acfg->opts & MONO_OPT_GSHAREDVT) && method->is_inflated && mono_method_get_context (method)->method_inst) {
4127 * This is partial sharing, and we can't handle it yet
4132 if (mono_method_is_generic_sharable_full (method, FALSE, FALSE, use_gsharedvt)) {
4134 add_types_from_method_header (acfg, method);
4138 if (method->is_generic)
4143 * FIXME: Instances which are referenced by these methods are not added,
4144 * for example Array.Resize<int> for List<int>.Add ().
4146 add_extra_method_with_depth (acfg, method, depth + 1);
4150 while ((field = mono_class_get_fields (klass, &iter))) {
4151 if (field->type->type == MONO_TYPE_GENERICINST)
4152 add_generic_class_with_depth (acfg, mono_class_from_mono_type (field->type), depth + 1, "field");
4155 if (klass->delegate) {
4156 method = mono_get_delegate_invoke (klass);
4158 method = mono_marshal_get_delegate_invoke (method, NULL);
4160 if (acfg->aot_opts.log_generics)
4161 aot_printf (acfg, "%*sAdding method %s.\n", depth, "", mono_method_full_name (method, TRUE));
4163 add_method (acfg, method);
4166 /* Add superclasses */
4168 add_generic_class_with_depth (acfg, klass->parent, depth, "parent");
4171 * For ICollection<T>, add instances of the helper methods
4172 * in Array, since a T[] could be cast to ICollection<T>.
4174 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") &&
4175 (!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"))) {
4176 MonoClass *tclass = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4177 MonoClass *array_class = mono_bounded_array_class_get (tclass, 1, FALSE);
4181 if (!strcmp (klass->name, "IEnumerator`1"))
4182 name_prefix = g_strdup_printf ("%s.%s", klass->name_space, "IEnumerable`1");
4184 name_prefix = g_strdup_printf ("%s.%s", klass->name_space, klass->name);
4186 /* Add the T[]/InternalEnumerator class */
4187 if (!strcmp (klass->name, "IEnumerable`1") || !strcmp (klass->name, "IEnumerator`1")) {
4191 while ((nclass = mono_class_get_nested_types (array_class->parent, &iter))) {
4192 if (!strcmp (nclass->name, "InternalEnumerator`1"))
4196 nclass = mono_class_inflate_generic_class (nclass, mono_generic_class_get_context (klass->generic_class));
4197 add_generic_class (acfg, nclass, FALSE, "ICollection<T>");
4201 while ((method = mono_class_get_methods (array_class, &iter))) {
4202 if (strstr (method->name, name_prefix)) {
4203 MonoMethod *m = mono_aot_get_array_helper_from_wrapper (method);
4205 add_extra_method_with_depth (acfg, m, depth);
4209 g_free (name_prefix);
4212 /* Add an instance of GenericComparer<T> which is created dynamically by Comparer<T> */
4213 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "Comparer`1")) {
4214 MonoClass *tclass = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4215 MonoClass *icomparable, *gcomparer;
4216 MonoGenericContext ctx;
4217 MonoType *args [16];
4219 memset (&ctx, 0, sizeof (ctx));
4221 icomparable = mono_class_from_name (mono_defaults.corlib, "System", "IComparable`1");
4222 g_assert (icomparable);
4223 args [0] = &tclass->byval_arg;
4224 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4226 if (mono_class_is_assignable_from (mono_class_inflate_generic_class (icomparable, &ctx), tclass)) {
4227 gcomparer = mono_class_from_name (mono_defaults.corlib, "System.Collections.Generic", "GenericComparer`1");
4228 g_assert (gcomparer);
4229 add_generic_class (acfg, mono_class_inflate_generic_class (gcomparer, &ctx), FALSE, "Comparer<T>");
4233 /* Add an instance of GenericEqualityComparer<T> which is created dynamically by EqualityComparer<T> */
4234 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "EqualityComparer`1")) {
4235 MonoClass *tclass = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4236 MonoClass *iface, *gcomparer;
4237 MonoGenericContext ctx;
4238 MonoType *args [16];
4240 memset (&ctx, 0, sizeof (ctx));
4242 iface = mono_class_from_name (mono_defaults.corlib, "System", "IEquatable`1");
4244 args [0] = &tclass->byval_arg;
4245 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4247 if (mono_class_is_assignable_from (mono_class_inflate_generic_class (iface, &ctx), tclass)) {
4248 gcomparer = mono_class_from_name (mono_defaults.corlib, "System.Collections.Generic", "GenericEqualityComparer`1");
4249 g_assert (gcomparer);
4250 add_generic_class (acfg, mono_class_inflate_generic_class (gcomparer, &ctx), FALSE, "EqualityComparer<T>");
4254 /* Add an instance of EnumComparer<T> which is created dynamically by EqualityComparer<T> for enums */
4255 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "EqualityComparer`1")) {
4256 MonoClass *enum_comparer;
4257 MonoClass *tclass = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4258 MonoGenericContext ctx;
4259 MonoType *args [16];
4261 if (mono_class_is_enum (tclass)) {
4262 memset (&ctx, 0, sizeof (ctx));
4263 args [0] = &tclass->byval_arg;
4264 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4266 enum_comparer = mono_class_from_name (mono_defaults.corlib, "System.Collections.Generic", "EnumEqualityComparer`1");
4267 g_assert (enum_comparer);
4268 add_generic_class (acfg, mono_class_inflate_generic_class (enum_comparer, &ctx), FALSE, "EqualityComparer<T>");
4272 /* Add an instance of ObjectComparer<T> which is created dynamically by Comparer<T> for enums */
4273 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "Comparer`1")) {
4274 MonoClass *comparer;
4275 MonoClass *tclass = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4276 MonoGenericContext ctx;
4277 MonoType *args [16];
4279 if (mono_class_is_enum (tclass)) {
4280 memset (&ctx, 0, sizeof (ctx));
4281 args [0] = &tclass->byval_arg;
4282 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4284 comparer = mono_class_from_name (mono_defaults.corlib, "System.Collections.Generic", "ObjectComparer`1");
4285 g_assert (comparer);
4286 add_generic_class (acfg, mono_class_inflate_generic_class (comparer, &ctx), FALSE, "Comparer<T>");
4292 add_instances_of (MonoAotCompile *acfg, MonoClass *klass, MonoType **insts, int ninsts, gboolean force)
4295 MonoGenericContext ctx;
4296 MonoType *args [16];
4298 if (acfg->aot_opts.no_instances)
4301 memset (&ctx, 0, sizeof (ctx));
4303 for (i = 0; i < ninsts; ++i) {
4304 args [0] = insts [i];
4305 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4306 add_generic_class (acfg, mono_class_inflate_generic_class (klass, &ctx), force, "");
4311 add_types_from_method_header (MonoAotCompile *acfg, MonoMethod *method)
4313 MonoMethodHeader *header;
4314 MonoMethodSignature *sig;
4317 depth = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_depth, method));
4319 sig = mono_method_signature (method);
4322 for (j = 0; j < sig->param_count; ++j)
4323 if (sig->params [j]->type == MONO_TYPE_GENERICINST)
4324 add_generic_class_with_depth (acfg, mono_class_from_mono_type (sig->params [j]), depth + 1, "arg");
4327 header = mono_method_get_header (method);
4330 for (j = 0; j < header->num_locals; ++j)
4331 if (header->locals [j]->type == MONO_TYPE_GENERICINST)
4332 add_generic_class_with_depth (acfg, mono_class_from_mono_type (header->locals [j]), depth + 1, "local");
4334 mono_loader_clear_error ();
4339 * add_generic_instances:
4341 * Add instances referenced by the METHODSPEC/TYPESPEC table.
4344 add_generic_instances (MonoAotCompile *acfg)
4349 MonoGenericContext *context;
4351 if (acfg->aot_opts.no_instances)
4354 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHODSPEC].rows; ++i) {
4356 token = MONO_TOKEN_METHOD_SPEC | (i + 1);
4357 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4360 aot_printerrf (acfg, "Failed to load methodspec 0x%x due to %s.\n", token, mono_error_get_message (&error));
4361 aot_printerrf (acfg, "Run with MONO_LOG_LEVEL=debug for more information.\n");
4362 mono_error_cleanup (&error);
4366 if (method->klass->image != acfg->image)
4369 context = mono_method_get_context (method);
4371 if (context && ((context->class_inst && context->class_inst->is_open)))
4375 * For open methods, create an instantiation which can be passed to the JIT.
4376 * FIXME: Handle class_inst as well.
4378 if (context && context->method_inst && context->method_inst->is_open) {
4380 MonoGenericContext shared_context;
4381 MonoGenericInst *inst;
4382 MonoType **type_argv;
4384 MonoMethod *declaring_method;
4385 gboolean supported = TRUE;
4387 /* Check that the context doesn't contain open constructed types */
4388 if (context->class_inst) {
4389 inst = context->class_inst;
4390 for (i = 0; i < inst->type_argc; ++i) {
4391 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)
4393 if (mono_class_is_open_constructed_type (inst->type_argv [i]))
4397 if (context->method_inst) {
4398 inst = context->method_inst;
4399 for (i = 0; i < inst->type_argc; ++i) {
4400 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)
4402 if (mono_class_is_open_constructed_type (inst->type_argv [i]))
4410 memset (&shared_context, 0, sizeof (MonoGenericContext));
4412 inst = context->class_inst;
4414 type_argv = g_new0 (MonoType*, inst->type_argc);
4415 for (i = 0; i < inst->type_argc; ++i) {
4416 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)
4417 type_argv [i] = &mono_defaults.object_class->byval_arg;
4419 type_argv [i] = inst->type_argv [i];
4422 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4426 inst = context->method_inst;
4428 type_argv = g_new0 (MonoType*, inst->type_argc);
4429 for (i = 0; i < inst->type_argc; ++i) {
4430 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)
4431 type_argv [i] = &mono_defaults.object_class->byval_arg;
4433 type_argv [i] = inst->type_argv [i];
4436 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4440 if (method->is_generic || method->klass->generic_container)
4441 declaring_method = method;
4443 declaring_method = mono_method_get_declaring_generic_method (method);
4445 method = mono_class_inflate_generic_method_checked (declaring_method, &shared_context, &error);
4446 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4450 * If the method is fully sharable, it was already added in place of its
4451 * generic definition.
4453 if (mono_method_is_generic_sharable_full (method, FALSE, FALSE, FALSE))
4457 * FIXME: Partially shared methods are not shared here, so we end up with
4458 * many identical methods.
4460 add_extra_method (acfg, method);
4463 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPESPEC].rows; ++i) {
4467 token = MONO_TOKEN_TYPE_SPEC | (i + 1);
4469 klass = mono_class_get_checked (acfg->image, token, &error);
4470 if (!klass || klass->rank) {
4471 mono_error_cleanup (&error);
4475 add_generic_class (acfg, klass, FALSE, "typespec");
4478 /* Add types of args/locals */
4479 for (i = 0; i < acfg->methods->len; ++i) {
4480 method = g_ptr_array_index (acfg->methods, i);
4481 add_types_from_method_header (acfg, method);
4484 if (acfg->image == mono_defaults.corlib) {
4486 MonoType *insts [256];
4489 insts [ninsts ++] = &mono_defaults.byte_class->byval_arg;
4490 insts [ninsts ++] = &mono_defaults.sbyte_class->byval_arg;
4491 insts [ninsts ++] = &mono_defaults.int16_class->byval_arg;
4492 insts [ninsts ++] = &mono_defaults.uint16_class->byval_arg;
4493 insts [ninsts ++] = &mono_defaults.int32_class->byval_arg;
4494 insts [ninsts ++] = &mono_defaults.uint32_class->byval_arg;
4495 insts [ninsts ++] = &mono_defaults.int64_class->byval_arg;
4496 insts [ninsts ++] = &mono_defaults.uint64_class->byval_arg;
4497 insts [ninsts ++] = &mono_defaults.single_class->byval_arg;
4498 insts [ninsts ++] = &mono_defaults.double_class->byval_arg;
4499 insts [ninsts ++] = &mono_defaults.char_class->byval_arg;
4500 insts [ninsts ++] = &mono_defaults.boolean_class->byval_arg;
4502 /* Add GenericComparer<T> instances for primitive types for Enum.ToString () */
4503 klass = mono_class_from_name (acfg->image, "System.Collections.Generic", "GenericComparer`1");
4505 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4506 klass = mono_class_from_name (acfg->image, "System.Collections.Generic", "GenericEqualityComparer`1");
4508 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4510 /* Add instances of the array generic interfaces for primitive types */
4511 /* This will add instances of the InternalArray_ helper methods in Array too */
4512 klass = mono_class_from_name (acfg->image, "System.Collections.Generic", "ICollection`1");
4514 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4515 klass = mono_class_from_name (acfg->image, "System.Collections.Generic", "IList`1");
4517 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4518 klass = mono_class_from_name (acfg->image, "System.Collections.Generic", "IEnumerable`1");
4520 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4523 * Add a managed-to-native wrapper of Array.GetGenericValueImpl<object>, which is
4524 * used for all instances of GetGenericValueImpl by the AOT runtime.
4527 MonoGenericContext ctx;
4528 MonoType *args [16];
4529 MonoMethod *get_method;
4530 MonoClass *array_klass = mono_array_class_get (mono_defaults.object_class, 1)->parent;
4532 get_method = mono_class_get_method_from_name (array_klass, "GetGenericValueImpl", 2);
4536 memset (&ctx, 0, sizeof (ctx));
4537 args [0] = &mono_defaults.object_class->byval_arg;
4538 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4539 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (get_method, &ctx, &error), TRUE, TRUE));
4540 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4544 /* Same for CompareExchange<T>/Exchange<T> */
4546 MonoGenericContext ctx;
4547 MonoType *args [16];
4549 MonoClass *interlocked_klass = mono_class_from_name (mono_defaults.corlib, "System.Threading", "Interlocked");
4550 gpointer iter = NULL;
4552 while ((m = mono_class_get_methods (interlocked_klass, &iter))) {
4553 if ((!strcmp (m->name, "CompareExchange") || !strcmp (m->name, "Exchange")) && m->is_generic) {
4555 memset (&ctx, 0, sizeof (ctx));
4556 args [0] = &mono_defaults.object_class->byval_arg;
4557 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4558 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m, &ctx, &error), TRUE, TRUE));
4559 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4564 /* Same for Volatile.Read/Write<T> */
4566 MonoGenericContext ctx;
4567 MonoType *args [16];
4569 MonoClass *volatile_klass = mono_class_from_name (mono_defaults.corlib, "System.Threading", "Volatile");
4570 gpointer iter = NULL;
4572 if (volatile_klass) {
4573 while ((m = mono_class_get_methods (volatile_klass, &iter))) {
4574 if ((!strcmp (m->name, "Read") || !strcmp (m->name, "Write")) && m->is_generic) {
4576 memset (&ctx, 0, sizeof (ctx));
4577 args [0] = &mono_defaults.object_class->byval_arg;
4578 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4579 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m, &ctx, &error), TRUE, TRUE));
4580 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4589 * is_direct_callable:
4591 * Return whenever the method identified by JI is directly callable without
4592 * going through the PLT.
4595 is_direct_callable (MonoAotCompile *acfg, MonoMethod *method, MonoJumpInfo *patch_info)
4597 if ((patch_info->type == MONO_PATCH_INFO_METHOD) && (patch_info->data.method->klass->image == acfg->image)) {
4598 MonoCompile *callee_cfg = g_hash_table_lookup (acfg->method_to_cfg, patch_info->data.method);
4600 gboolean direct_callable = TRUE;
4602 if (direct_callable && !(!callee_cfg->has_got_slots && (callee_cfg->method->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT)))
4603 direct_callable = FALSE;
4604 if ((callee_cfg->method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) && (!method || method->wrapper_type != MONO_WRAPPER_SYNCHRONIZED))
4605 // FIXME: Maybe call the wrapper directly ?
4606 direct_callable = FALSE;
4608 if (acfg->aot_opts.soft_debug || acfg->aot_opts.no_direct_calls) {
4609 /* Disable this so all calls go through load_method (), see the
4610 * mini_get_debug_options ()->load_aot_jit_info_eagerly = TRUE; line in
4611 * mono_debugger_agent_init ().
4613 direct_callable = FALSE;
4616 if (callee_cfg->method->wrapper_type == MONO_WRAPPER_ALLOC)
4617 /* sgen does some initialization when the allocator method is created */
4618 direct_callable = FALSE;
4619 if (callee_cfg->method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER)
4620 /* we don't know at compile time whether sgen is concurrent or not */
4621 direct_callable = FALSE;
4623 if (direct_callable)
4626 } else if ((patch_info->type == MONO_PATCH_INFO_ICALL_ADDR && patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
4627 if (acfg->aot_opts.direct_pinvoke)
4629 } else if (patch_info->type == MONO_PATCH_INFO_ICALL_ADDR) {
4630 if (acfg->aot_opts.direct_icalls)
4638 #ifdef MONO_ARCH_AOT_SUPPORTED
4640 get_pinvoke_import (MonoAotCompile *acfg, MonoMethod *method)
4642 MonoImage *image = method->klass->image;
4643 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
4644 MonoTableInfo *tables = image->tables;
4645 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
4646 MonoTableInfo *mr = &tables [MONO_TABLE_MODULEREF];
4647 guint32 im_cols [MONO_IMPLMAP_SIZE];
4650 import = g_hash_table_lookup (acfg->method_to_pinvoke_import, method);
4654 if (!piinfo->implmap_idx || piinfo->implmap_idx > im->rows)
4657 mono_metadata_decode_row (im, piinfo->implmap_idx - 1, im_cols, MONO_IMPLMAP_SIZE);
4659 if (!im_cols [MONO_IMPLMAP_SCOPE] || im_cols [MONO_IMPLMAP_SCOPE] > mr->rows)
4662 import = g_strdup_printf ("%s", mono_metadata_string_heap (image, im_cols [MONO_IMPLMAP_NAME]));
4664 g_hash_table_insert (acfg->method_to_pinvoke_import, method, import);
4671 compare_lne (MonoDebugLineNumberEntry *a, MonoDebugLineNumberEntry *b)
4673 if (a->native_offset == b->native_offset)
4674 return a->il_offset - b->il_offset;
4676 return a->native_offset - b->native_offset;
4680 * compute_line_numbers:
4682 * Returns a sparse array of size CODE_SIZE containing MonoDebugSourceLocation* entries for the native offsets which have a corresponding line number
4685 static MonoDebugSourceLocation**
4686 compute_line_numbers (MonoMethod *method, int code_size, MonoDebugMethodJitInfo *debug_info)
4688 MonoDebugMethodInfo *minfo;
4689 MonoDebugLineNumberEntry *ln_array;
4690 MonoDebugSourceLocation *loc;
4691 int i, prev_line, prev_il_offset;
4692 int *native_to_il_offset = NULL;
4693 MonoDebugSourceLocation **res;
4696 minfo = mono_debug_lookup_method (method);
4699 // FIXME: This seems to happen when two methods have the same cfg->method_to_register
4700 if (debug_info->code_size != code_size)
4703 g_assert (code_size);
4705 /* Compute the native->IL offset mapping */
4707 ln_array = g_new0 (MonoDebugLineNumberEntry, debug_info->num_line_numbers);
4708 memcpy (ln_array, debug_info->line_numbers, debug_info->num_line_numbers * sizeof (MonoDebugLineNumberEntry));
4710 qsort (ln_array, debug_info->num_line_numbers, sizeof (MonoDebugLineNumberEntry), (gpointer)compare_lne);
4712 native_to_il_offset = g_new0 (int, code_size + 1);
4714 for (i = 0; i < debug_info->num_line_numbers; ++i) {
4716 MonoDebugLineNumberEntry *lne = &ln_array [i];
4719 for (j = 0; j < lne->native_offset; ++j)
4720 native_to_il_offset [j] = -1;
4723 if (i < debug_info->num_line_numbers - 1) {
4724 MonoDebugLineNumberEntry *lne_next = &ln_array [i + 1];
4726 for (j = lne->native_offset; j < lne_next->native_offset; ++j)
4727 native_to_il_offset [j] = lne->il_offset;
4729 for (j = lne->native_offset; j < code_size; ++j)
4730 native_to_il_offset [j] = lne->il_offset;
4735 /* Compute the native->line number mapping */
4736 res = g_new0 (MonoDebugSourceLocation*, code_size);
4737 prev_il_offset = -1;
4740 for (i = 0; i < code_size; ++i) {
4741 int il_offset = native_to_il_offset [i];
4743 if (il_offset == -1 || il_offset == prev_il_offset)
4745 prev_il_offset = il_offset;
4746 loc = mono_debug_symfile_lookup_location (minfo, il_offset);
4747 if (!(loc && loc->source_file))
4749 if (loc->row == prev_line) {
4750 mono_debug_symfile_free_location (loc);
4753 prev_line = loc->row;
4754 //printf ("D: %s:%d il=%x native=%x\n", loc->source_file, loc->row, il_offset, i);
4756 /* This will cover the prolog too */
4766 get_file_index (MonoAotCompile *acfg, const char *source_file)
4770 // FIXME: Free these
4771 if (!acfg->dwarf_ln_filenames)
4772 acfg->dwarf_ln_filenames = g_hash_table_new (g_str_hash, g_str_equal);
4773 findex = GPOINTER_TO_INT (g_hash_table_lookup (acfg->dwarf_ln_filenames, source_file));
4775 findex = g_hash_table_size (acfg->dwarf_ln_filenames) + 1;
4776 g_hash_table_insert (acfg->dwarf_ln_filenames, g_strdup (source_file), GINT_TO_POINTER (findex));
4777 emit_unset_mode (acfg);
4778 fprintf (acfg->fp, ".file %d \"%s\"\n", findex, mono_dwarf_escape_path (source_file));
4790 * emit_and_reloc_code:
4792 * Emit the native code in CODE, handling relocations along the way. If GOT_ONLY
4793 * is true, calls are made through the GOT too. This is used for emitting trampolines
4794 * in full-aot mode, since calls made from trampolines couldn't go through the PLT,
4795 * since trampolines are needed to make PTL work.
4798 emit_and_reloc_code (MonoAotCompile *acfg, MonoMethod *method, guint8 *code, guint32 code_len, MonoJumpInfo *relocs, gboolean got_only, MonoDebugMethodJitInfo *debug_info)
4800 int i, pindex, start_index;
4802 MonoJumpInfo *patch_info;
4803 MonoDebugSourceLocation **locs = NULL;
4805 #ifdef MONO_ARCH_AOT_SUPPORTED
4806 gboolean direct_call, external_call;
4808 const char *direct_call_target = 0;
4809 const char *direct_pinvoke;
4812 if (acfg->gas_line_numbers && method && debug_info) {
4813 locs = compute_line_numbers (method, code_len, debug_info);
4815 int findex = get_file_index (acfg, "<unknown>");
4816 emit_unset_mode (acfg);
4817 fprintf (acfg->fp, ".loc %d %d 0\n", findex, 1);
4821 /* Collect and sort relocations */
4822 patches = g_ptr_array_new ();
4823 for (patch_info = relocs; patch_info; patch_info = patch_info->next)
4824 g_ptr_array_add (patches, patch_info);
4825 g_ptr_array_sort (patches, compare_patches);
4828 for (i = 0; i < code_len; i += INST_LEN) {
4830 for (pindex = start_index; pindex < patches->len; ++pindex) {
4831 patch_info = g_ptr_array_index (patches, pindex);
4832 if (patch_info->ip.i >= i)
4836 if (locs && locs [i]) {
4837 MonoDebugSourceLocation *loc = locs [i];
4840 findex = get_file_index (acfg, loc->source_file);
4841 emit_unset_mode (acfg);
4842 fprintf (acfg->fp, ".loc %d %d 0\n", findex, loc->row);
4843 mono_debug_symfile_free_location (loc);
4847 #ifdef MONO_ARCH_AOT_SUPPORTED
4848 if (patch_info && (patch_info->ip.i == i) && (pindex < patches->len)) {
4849 start_index = pindex;
4851 switch (patch_info->type) {
4852 case MONO_PATCH_INFO_NONE:
4854 case MONO_PATCH_INFO_GOT_OFFSET: {
4857 arch_emit_got_offset (acfg, code + i, &code_size);
4858 i += code_size - INST_LEN;
4860 patch_info->type = MONO_PATCH_INFO_NONE;
4863 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
4864 int code_size, index;
4865 char *selector = (void*)patch_info->data.target;
4867 if (!acfg->objc_selector_to_index)
4868 acfg->objc_selector_to_index = g_hash_table_new (g_str_hash, g_str_equal);
4869 if (!acfg->objc_selectors)
4870 acfg->objc_selectors = g_ptr_array_new ();
4871 index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->objc_selector_to_index, selector));
4875 index = acfg->objc_selector_index;
4876 g_ptr_array_add (acfg->objc_selectors, (void*)patch_info->data.target);
4877 g_hash_table_insert (acfg->objc_selector_to_index, selector, GUINT_TO_POINTER (index + 1));
4878 acfg->objc_selector_index ++;
4881 arch_emit_objc_selector_ref (acfg, code + i, index, &code_size);
4882 i += code_size - INST_LEN;
4884 patch_info->type = MONO_PATCH_INFO_NONE;
4889 * If this patch is a call, try emitting a direct call instead of
4890 * through a PLT entry. This is possible if the called method is in
4891 * the same assembly and requires no initialization.
4893 direct_call = FALSE;
4894 external_call = FALSE;
4895 if ((patch_info->type == MONO_PATCH_INFO_METHOD) && (patch_info->data.method->klass->image == acfg->image)) {
4896 if (!got_only && is_direct_callable (acfg, method, patch_info)) {
4897 MonoCompile *callee_cfg = g_hash_table_lookup (acfg->method_to_cfg, patch_info->data.method);
4898 //printf ("DIRECT: %s %s\n", method ? mono_method_full_name (method, TRUE) : "", mono_method_full_name (callee_cfg->method, TRUE));
4900 direct_call_target = callee_cfg->asm_symbol;
4901 patch_info->type = MONO_PATCH_INFO_NONE;
4902 acfg->stats.direct_calls ++;
4905 acfg->stats.all_calls ++;
4906 } else if (patch_info->type == MONO_PATCH_INFO_ICALL_ADDR) {
4907 if (!got_only && is_direct_callable (acfg, method, patch_info)) {
4908 if (!(patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
4909 direct_pinvoke = mono_lookup_icall_symbol (patch_info->data.method);
4911 direct_pinvoke = get_pinvoke_import (acfg, patch_info->data.method);
4912 if (direct_pinvoke) {
4914 g_assert (strlen (direct_pinvoke) < 1000);
4915 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, direct_pinvoke);
4918 } else if (patch_info->type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
4919 const char *sym = mono_lookup_jit_icall_symbol (patch_info->data.name);
4920 if (!got_only && sym && acfg->aot_opts.direct_icalls) {
4921 /* Call to a C function implementing a jit icall */
4923 external_call = TRUE;
4924 g_assert (strlen (sym) < 1000);
4925 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, sym);
4927 } else if (patch_info->type == MONO_PATCH_INFO_INTERNAL_METHOD) {
4928 MonoJitICallInfo *info = mono_find_jit_icall_by_name (patch_info->data.name);
4929 const char *sym = mono_lookup_jit_icall_symbol (patch_info->data.name);
4930 if (!got_only && sym && acfg->aot_opts.direct_icalls && info->func == info->wrapper) {
4931 /* Call to a jit icall without a wrapper */
4933 external_call = TRUE;
4934 g_assert (strlen (sym) < 1000);
4935 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, sym);
4940 patch_info->type = MONO_PATCH_INFO_NONE;
4941 acfg->stats.direct_calls ++;
4944 if (!got_only && !direct_call) {
4945 MonoPltEntry *plt_entry = get_plt_entry (acfg, patch_info);
4947 /* This patch has a PLT entry, so we must emit a call to the PLT entry */
4949 direct_call_target = plt_entry->symbol;
4951 /* Nullify the patch */
4952 patch_info->type = MONO_PATCH_INFO_NONE;
4953 plt_entry->jit_used = TRUE;
4960 arch_emit_direct_call (acfg, direct_call_target, external_call, FALSE, patch_info, &call_size);
4961 i += call_size - INST_LEN;
4965 got_slot = get_got_offset (acfg, FALSE, patch_info);
4967 arch_emit_got_access (acfg, acfg->got_symbol, code + i, got_slot, &code_size);
4968 i += code_size - INST_LEN;
4974 #endif /* MONO_ARCH_AOT_SUPPORTED */
4977 /* Find next patch */
4979 for (pindex = start_index; pindex < patches->len; ++pindex) {
4980 patch_info = g_ptr_array_index (patches, pindex);
4981 if (patch_info->ip.i >= i)
4985 /* Try to emit multiple bytes at once */
4986 if (pindex < patches->len && patch_info->ip.i > i) {
4989 for (limit = i + INST_LEN; limit < patch_info->ip.i; limit += INST_LEN) {
4990 if (locs && locs [limit])
4994 emit_code_bytes (acfg, code + i, limit - i);
4995 i = limit - INST_LEN;
4997 emit_code_bytes (acfg, code + i, INST_LEN);
5008 * Return a modified version of S which only includes characters permissible in symbols.
5011 sanitize_symbol (MonoAotCompile *acfg, char *s)
5013 gboolean process = FALSE;
5022 for (i = 0; i < len; ++i)
5023 if (!(s [i] <= 0x7f && (isalnum (s [i]) || s [i] == '_')))
5028 gs = g_string_sized_new (len);
5029 for (i = 0; i < len; ++i) {
5031 if (c <= 0x7f && (isalnum (c) || c == '_')) {
5032 g_string_append_c (gs, c);
5033 } else if (c > 0x7f) {
5034 /* multi-byte utf8 */
5035 g_string_append_printf (gs, "_0x%x", c);
5038 while (c >> 6 == 0x2) {
5039 g_string_append_printf (gs, "%x", c);
5043 g_string_append_printf (gs, "_");
5046 g_string_append_c (gs, '_');
5050 res = mono_mempool_strdup (acfg->mempool, gs->str);
5051 g_string_free (gs, TRUE);
5056 get_debug_sym (MonoMethod *method, const char *prefix, GHashTable *cache)
5058 char *name1, *name2, *cached;
5059 int i, j, len, count;
5060 MonoMethod *cached_method;
5062 name1 = mono_method_full_name (method, TRUE);
5065 // This is so that we don't accidentally create a local symbol (which starts with 'L')
5066 if ((!prefix || !*prefix) && name1 [0] == 'L')
5070 len = strlen (name1);
5071 name2 = malloc (strlen (prefix) + len + 16);
5072 memcpy (name2, prefix, strlen (prefix));
5073 j = strlen (prefix);
5074 for (i = 0; i < len; ++i) {
5075 if (i == 0 && name1 [0] >= '0' && name1 [0] <= '9') {
5077 } else if (isalnum (name1 [i])) {
5078 name2 [j ++] = name1 [i];
5079 } else if (name1 [i] == ' ' && name1 [i + 1] == '(' && name1 [i + 2] == ')') {
5081 } else if (name1 [i] == ',' && name1 [i + 1] == ' ') {
5084 } else if (name1 [i] == '(' || name1 [i] == ')' || name1 [i] == '>') {
5094 cached_method = g_hash_table_lookup (cache, name2);
5095 if (!(cached_method && cached_method != method))
5097 sprintf (name2 + j, "_%d", count);
5101 cached = g_strdup (name2);
5102 g_hash_table_insert (cache, cached, method);
5108 emit_method_code (MonoAotCompile *acfg, MonoCompile *cfg)
5113 char *debug_sym = NULL;
5114 char *symbol = NULL;
5115 int func_alignment = AOT_FUNC_ALIGNMENT;
5118 method = cfg->orig_method;
5119 code = cfg->native_code;
5121 method_index = get_method_index (acfg, method);
5122 symbol = g_strdup_printf ("%sme_%x", acfg->temp_prefix, method_index);
5124 /* Make the labels local */
5125 emit_section_change (acfg, ".text", 0);
5126 emit_alignment_code (acfg, func_alignment);
5128 if (acfg->global_symbols && acfg->need_no_dead_strip)
5129 fprintf (acfg->fp, " .no_dead_strip %s\n", cfg->asm_symbol);
5131 emit_label (acfg, cfg->asm_symbol);
5133 if (acfg->aot_opts.write_symbols && !acfg->global_symbols && !acfg->llvm) {
5135 * Write a C style symbol for every method, this has two uses:
5136 * - it works on platforms where the dwarf debugging info is not
5138 * - it allows the setting of breakpoints of aot-ed methods.
5140 debug_sym = get_debug_sym (method, "", acfg->method_label_hash);
5141 cfg->asm_debug_symbol = g_strdup (debug_sym);
5143 if (acfg->need_no_dead_strip)
5144 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
5145 emit_local_symbol (acfg, debug_sym, symbol, TRUE);
5146 emit_label (acfg, debug_sym);
5149 export_name = g_hash_table_lookup (acfg->export_names, method);
5151 /* Emit a global symbol for the method */
5152 emit_global_inner (acfg, export_name, TRUE);
5153 emit_label (acfg, export_name);
5156 if (cfg->verbose_level > 0)
5157 g_print ("Method %s emitted as %s\n", mono_method_full_name (method, TRUE), cfg->asm_symbol);
5159 acfg->stats.code_size += cfg->code_len;
5161 acfg->cfgs [method_index]->got_offset = acfg->got_offset;
5163 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 ()));
5167 if (acfg->aot_opts.write_symbols) {
5169 emit_symbol_size (acfg, debug_sym, ".");
5171 emit_symbol_size (acfg, cfg->asm_symbol, ".");
5175 emit_label (acfg, symbol);
5182 * Encode PATCH_INFO into its disk representation.
5185 encode_patch (MonoAotCompile *acfg, MonoJumpInfo *patch_info, guint8 *buf, guint8 **endbuf)
5189 switch (patch_info->type) {
5190 case MONO_PATCH_INFO_NONE:
5192 case MONO_PATCH_INFO_IMAGE:
5193 encode_value (get_image_index (acfg, patch_info->data.image), p, &p);
5195 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
5196 case MONO_PATCH_INFO_JIT_TLS_ID:
5197 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
5198 case MONO_PATCH_INFO_GC_NURSERY_START:
5200 case MONO_PATCH_INFO_CASTCLASS_CACHE:
5201 encode_value (patch_info->data.index, p, &p);
5203 case MONO_PATCH_INFO_METHOD_REL:
5204 encode_value ((gint)patch_info->data.offset, p, &p);
5206 case MONO_PATCH_INFO_SWITCH: {
5207 gpointer *table = (gpointer *)patch_info->data.table->table;
5210 encode_value (patch_info->data.table->table_size, p, &p);
5211 for (k = 0; k < patch_info->data.table->table_size; k++)
5212 encode_value ((int)(gssize)table [k], p, &p);
5215 case MONO_PATCH_INFO_METHODCONST:
5216 case MONO_PATCH_INFO_METHOD:
5217 case MONO_PATCH_INFO_METHOD_JUMP:
5218 case MONO_PATCH_INFO_ICALL_ADDR:
5219 case MONO_PATCH_INFO_METHOD_RGCTX:
5220 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
5221 encode_method_ref (acfg, patch_info->data.method, p, &p);
5223 case MONO_PATCH_INFO_AOT_JIT_INFO:
5224 encode_value (patch_info->data.index, p, &p);
5226 case MONO_PATCH_INFO_INTERNAL_METHOD:
5227 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
5228 guint32 len = strlen (patch_info->data.name);
5230 encode_value (len, p, &p);
5232 memcpy (p, patch_info->data.name, len);
5237 case MONO_PATCH_INFO_LDSTR: {
5238 guint32 image_index = get_image_index (acfg, patch_info->data.token->image);
5239 guint32 token = patch_info->data.token->token;
5240 g_assert (mono_metadata_token_code (token) == MONO_TOKEN_STRING);
5241 encode_value (image_index, p, &p);
5242 encode_value (patch_info->data.token->token - MONO_TOKEN_STRING, p, &p);
5245 case MONO_PATCH_INFO_RVA:
5246 case MONO_PATCH_INFO_DECLSEC:
5247 case MONO_PATCH_INFO_LDTOKEN:
5248 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
5249 encode_value (get_image_index (acfg, patch_info->data.token->image), p, &p);
5250 encode_value (patch_info->data.token->token, p, &p);
5251 encode_value (patch_info->data.token->has_context, p, &p);
5252 if (patch_info->data.token->has_context)
5253 encode_generic_context (acfg, &patch_info->data.token->context, p, &p);
5255 case MONO_PATCH_INFO_EXC_NAME: {
5256 MonoClass *ex_class;
5259 mono_class_from_name (mono_defaults.exception_class->image,
5260 "System", patch_info->data.target);
5261 g_assert (ex_class);
5262 encode_klass_ref (acfg, ex_class, p, &p);
5265 case MONO_PATCH_INFO_R4:
5266 encode_value (*((guint32 *)patch_info->data.target), p, &p);
5268 case MONO_PATCH_INFO_R8:
5269 encode_value (((guint32 *)patch_info->data.target) [MINI_LS_WORD_IDX], p, &p);
5270 encode_value (((guint32 *)patch_info->data.target) [MINI_MS_WORD_IDX], p, &p);
5272 case MONO_PATCH_INFO_VTABLE:
5273 case MONO_PATCH_INFO_CLASS:
5274 case MONO_PATCH_INFO_IID:
5275 case MONO_PATCH_INFO_ADJUSTED_IID:
5276 encode_klass_ref (acfg, patch_info->data.klass, p, &p);
5278 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
5279 encode_klass_ref (acfg, patch_info->data.del_tramp->klass, p, &p);
5280 if (patch_info->data.del_tramp->method) {
5281 encode_value (1, p, &p);
5282 encode_method_ref (acfg, patch_info->data.del_tramp->method, p, &p);
5284 encode_value (0, p, &p);
5286 encode_value (patch_info->data.del_tramp->is_virtual, p, &p);
5288 case MONO_PATCH_INFO_FIELD:
5289 case MONO_PATCH_INFO_SFLDA:
5290 encode_field_info (acfg, patch_info->data.field, p, &p);
5292 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
5294 case MONO_PATCH_INFO_RGCTX_FETCH:
5295 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
5296 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
5301 * entry->method has a lenghtly encoding and multiple rgctx_fetch entries
5302 * reference the same method, so encode the method only once.
5304 offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_blob_hash, entry->method));
5306 buf2 = g_malloc (1024);
5309 encode_method_ref (acfg, entry->method, p2, &p2);
5310 g_assert (p2 - buf2 < 1024);
5312 offset = add_to_blob (acfg, buf2, p2 - buf2);
5315 g_hash_table_insert (acfg->method_blob_hash, entry->method, GUINT_TO_POINTER (offset + 1));
5320 encode_value (offset, p, &p);
5321 g_assert ((int)entry->info_type < 256);
5322 g_assert (entry->data->type < 256);
5323 encode_value ((entry->in_mrgctx ? 1 : 0) | (entry->info_type << 1) | (entry->data->type << 9), p, &p);
5324 encode_patch (acfg, entry->data, p, &p);
5327 case MONO_PATCH_INFO_SEQ_POINT_INFO:
5328 case MONO_PATCH_INFO_AOT_MODULE:
5330 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
5331 encode_method_ref (acfg, patch_info->data.imt_tramp->method, p, &p);
5332 encode_value (patch_info->data.imt_tramp->vt_offset, p, &p);
5334 case MONO_PATCH_INFO_SIGNATURE:
5335 encode_signature (acfg, (MonoMethodSignature*)patch_info->data.target, p, &p);
5337 case MONO_PATCH_INFO_TLS_OFFSET:
5338 encode_value (GPOINTER_TO_INT (patch_info->data.target), p, &p);
5340 case MONO_PATCH_INFO_GSHAREDVT_CALL:
5341 encode_signature (acfg, (MonoMethodSignature*)patch_info->data.gsharedvt->sig, p, &p);
5342 encode_method_ref (acfg, patch_info->data.gsharedvt->method, p, &p);
5344 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
5345 MonoGSharedVtMethodInfo *info = patch_info->data.gsharedvt_method;
5348 encode_method_ref (acfg, info->method, p, &p);
5349 encode_value (info->num_entries, p, &p);
5350 for (i = 0; i < info->num_entries; ++i) {
5351 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
5353 encode_value (template->info_type, p, &p);
5354 switch (mini_rgctx_info_type_to_patch_info_type (template->info_type)) {
5355 case MONO_PATCH_INFO_CLASS:
5356 encode_klass_ref (acfg, mono_class_from_mono_type (template->data), p, &p);
5358 case MONO_PATCH_INFO_FIELD:
5359 encode_field_info (acfg, template->data, p, &p);
5362 g_assert_not_reached ();
5368 case MONO_PATCH_INFO_LDSTR_LIT: {
5369 const char *s = patch_info->data.target;
5370 int len = strlen (s);
5372 encode_value (len, p, &p);
5373 memcpy (p, s, len + 1);
5377 case MONO_PATCH_INFO_VIRT_METHOD:
5378 encode_klass_ref (acfg, patch_info->data.virt_method->klass, p, &p);
5379 encode_method_ref (acfg, patch_info->data.virt_method->method, p, &p);
5381 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
5384 g_warning ("unable to handle jump info %d", patch_info->type);
5385 g_assert_not_reached ();
5392 encode_patch_list (MonoAotCompile *acfg, GPtrArray *patches, int n_patches, gboolean llvm, int first_got_offset, guint8 *buf, guint8 **endbuf)
5395 guint32 pindex, offset;
5396 MonoJumpInfo *patch_info;
5398 encode_value (n_patches, p, &p);
5400 for (pindex = 0; pindex < patches->len; ++pindex) {
5401 patch_info = g_ptr_array_index (patches, pindex);
5403 if (patch_info->type == MONO_PATCH_INFO_NONE || patch_info->type == MONO_PATCH_INFO_BB)
5407 offset = get_got_offset (acfg, llvm, patch_info);
5408 encode_value (offset, p, &p);
5415 emit_method_info (MonoAotCompile *acfg, MonoCompile *cfg)
5418 int pindex, buf_size, n_patches;
5420 MonoJumpInfo *patch_info;
5421 guint32 method_index;
5423 guint32 first_got_offset;
5425 method = cfg->orig_method;
5427 method_index = get_method_index (acfg, method);
5429 /* Sort relocations */
5430 patches = g_ptr_array_new ();
5431 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next)
5432 g_ptr_array_add (patches, patch_info);
5433 g_ptr_array_sort (patches, compare_patches);
5435 first_got_offset = acfg->cfgs [method_index]->got_offset;
5437 /**********************/
5438 /* Encode method info */
5439 /**********************/
5441 buf_size = (patches->len < 1000) ? 40960 : 40960 + (patches->len * 64);
5442 p = buf = g_malloc (buf_size);
5444 if (mono_class_get_cctor (method->klass))
5445 encode_klass_ref (acfg, method->klass, p, &p);
5447 /* Not needed when loading the method */
5448 encode_value (0, p, &p);
5450 g_assert (!(cfg->opt & MONO_OPT_SHARED));
5453 for (pindex = 0; pindex < patches->len; ++pindex) {
5454 patch_info = g_ptr_array_index (patches, pindex);
5456 if ((patch_info->type == MONO_PATCH_INFO_GOT_OFFSET) ||
5457 (patch_info->type == MONO_PATCH_INFO_NONE)) {
5458 patch_info->type = MONO_PATCH_INFO_NONE;
5463 if ((patch_info->type == MONO_PATCH_INFO_IMAGE) && (patch_info->data.image == acfg->image)) {
5464 /* Stored in a GOT slot initialized at module load time */
5465 patch_info->type = MONO_PATCH_INFO_NONE;
5469 if (patch_info->type == MONO_PATCH_INFO_GC_CARD_TABLE_ADDR ||
5470 patch_info->type == MONO_PATCH_INFO_GC_NURSERY_START ||
5471 patch_info->type == MONO_PATCH_INFO_AOT_MODULE) {
5472 /* Stored in a GOT slot initialized at module load time */
5473 patch_info->type = MONO_PATCH_INFO_NONE;
5477 if (is_plt_patch (patch_info) && !(cfg->compile_llvm && acfg->aot_opts.llvm_only)) {
5478 /* Calls are made through the PLT */
5479 patch_info->type = MONO_PATCH_INFO_NONE;
5487 g_assert (cfg->has_got_slots);
5489 encode_patch_list (acfg, patches, n_patches, cfg->compile_llvm, first_got_offset, p, &p);
5491 acfg->stats.info_size += p - buf;
5493 g_assert (p - buf < buf_size);
5495 cfg->method_info_offset = add_to_blob (acfg, buf, p - buf);
5500 get_unwind_info_offset (MonoAotCompile *acfg, guint8 *encoded, guint32 encoded_len)
5502 guint32 cache_index;
5505 /* Reuse the unwind module to canonize and store unwind info entries */
5506 cache_index = mono_cache_unwind_info (encoded, encoded_len);
5508 /* Use +/- 1 to distinguish 0s from missing entries */
5509 offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->unwind_info_offsets, GUINT_TO_POINTER (cache_index + 1)));
5517 * It would be easier to use assembler symbols, but the caller needs an
5520 offset = acfg->unwind_info_offset;
5521 g_hash_table_insert (acfg->unwind_info_offsets, GUINT_TO_POINTER (cache_index + 1), GUINT_TO_POINTER (offset + 1));
5522 g_ptr_array_add (acfg->unwind_ops, GUINT_TO_POINTER (cache_index));
5525 encode_value (encoded_len, p, &p);
5527 acfg->unwind_info_offset += encoded_len + (p - buf);
5533 emit_exception_debug_info (MonoAotCompile *acfg, MonoCompile *cfg, gboolean store_seq_points)
5536 guint32 debug_info_size, seq_points_size;
5538 MonoMethodHeader *header;
5539 guint8 *p, *buf, *debug_info;
5540 MonoJitInfo *jinfo = cfg->jit_info;
5542 gboolean use_unwind_ops = FALSE;
5543 MonoSeqPointInfo *seq_points;
5545 code = cfg->native_code;
5546 header = cfg->header;
5548 if (!acfg->aot_opts.nodebug) {
5549 mono_debug_serialize_debug_info (cfg, &debug_info, &debug_info_size);
5552 debug_info_size = 0;
5555 seq_points = cfg->seq_point_info;
5556 seq_points_size = (store_seq_points)? mono_seq_point_info_get_write_size (seq_points) : 0;
5558 buf_size = header->num_clauses * 256 + debug_info_size + 2048 + seq_points_size + cfg->gc_map_size;
5560 p = buf = g_malloc (buf_size);
5562 use_unwind_ops = cfg->unwind_ops != NULL;
5564 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);
5566 encode_value (flags, p, &p);
5568 if (use_unwind_ops) {
5569 guint32 encoded_len;
5571 guint32 unwind_desc;
5573 encoded = mono_unwind_ops_encode (cfg->unwind_ops, &encoded_len);
5575 unwind_desc = get_unwind_info_offset (acfg, encoded, encoded_len);
5576 encode_value (unwind_desc, p, &p);
5578 encode_value (jinfo->unwind_info, p, &p);
5581 /*Encode the number of holes before the number of clauses to make decoding easier*/
5582 if (jinfo->has_try_block_holes) {
5583 MonoTryBlockHoleTableJitInfo *table = mono_jit_info_get_try_block_hole_table_info (jinfo);
5584 encode_value (table->num_holes, p, &p);
5587 if (jinfo->has_arch_eh_info) {
5589 * In AOT mode, the code length is calculated from the address of the previous method,
5590 * which could include alignment padding, so calculating the start of the epilog as
5591 * code_len - epilog_size is correct any more. Save the real code len as a workaround.
5593 encode_value (jinfo->code_size, p, &p);
5596 /* Exception table */
5597 if (cfg->compile_llvm) {
5599 * When using LLVM, we can't emit some data, like pc offsets, this reg/offset etc.,
5600 * since the information is only available to llc. Instead, we let llc save the data
5601 * into the LSDA, and read it from there at runtime.
5603 /* The assembly might be CIL stripped so emit the data ourselves */
5604 if (header->num_clauses)
5605 encode_value (header->num_clauses, p, &p);
5607 for (k = 0; k < header->num_clauses; ++k) {
5608 MonoExceptionClause *clause;
5610 clause = &header->clauses [k];
5612 encode_value (clause->flags, p, &p);
5613 if (clause->data.catch_class) {
5614 encode_value (1, p, &p);
5615 encode_klass_ref (acfg, clause->data.catch_class, p, &p);
5617 encode_value (0, p, &p);
5620 /* Emit the IL ranges too, since they might not be available at runtime */
5621 encode_value (clause->try_offset, p, &p);
5622 encode_value (clause->try_len, p, &p);
5623 encode_value (clause->handler_offset, p, &p);
5624 encode_value (clause->handler_len, p, &p);
5626 /* Emit a list of nesting clauses */
5627 for (i = 0; i < header->num_clauses; ++i) {
5629 MonoExceptionClause *clause1 = &header->clauses [cindex1];
5631 MonoExceptionClause *clause2 = &header->clauses [cindex2];
5633 if (cindex1 != cindex2 && clause1->try_offset >= clause2->try_offset && clause1->handler_offset <= clause2->handler_offset)
5634 encode_value (i, p, &p);
5636 encode_value (-1, p, &p);
5639 if (jinfo->num_clauses)
5640 encode_value (jinfo->num_clauses, p, &p);
5642 for (k = 0; k < jinfo->num_clauses; ++k) {
5643 MonoJitExceptionInfo *ei = &jinfo->clauses [k];
5645 encode_value (ei->flags, p, &p);
5646 #ifdef MONO_CONTEXT_SET_LLVM_EXC_REG
5647 /* Not used for catch clauses */
5648 if (ei->flags != MONO_EXCEPTION_CLAUSE_NONE)
5649 encode_value (ei->exvar_offset, p, &p);
5651 encode_value (ei->exvar_offset, p, &p);
5654 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER || ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
5655 encode_value ((gint)((guint8*)ei->data.filter - code), p, &p);
5657 if (ei->data.catch_class) {
5661 buf2 = g_malloc (4096);
5663 encode_klass_ref (acfg, ei->data.catch_class, p2, &p2);
5665 g_assert (len < 4096);
5666 encode_value (len, p, &p);
5667 memcpy (p, buf2, len);
5671 encode_value (0, p, &p);
5675 encode_value ((gint)((guint8*)ei->try_start - code), p, &p);
5676 encode_value ((gint)((guint8*)ei->try_end - code), p, &p);
5677 encode_value ((gint)((guint8*)ei->handler_start - code), p, &p);
5681 if (jinfo->has_try_block_holes) {
5682 MonoTryBlockHoleTableJitInfo *table = mono_jit_info_get_try_block_hole_table_info (jinfo);
5683 for (i = 0; i < table->num_holes; ++i) {
5684 MonoTryBlockHoleJitInfo *hole = &table->holes [i];
5685 encode_value (hole->clause, p, &p);
5686 encode_value (hole->length, p, &p);
5687 encode_value (hole->offset, p, &p);
5691 if (jinfo->has_arch_eh_info) {
5692 MonoArchEHJitInfo *eh_info;
5694 eh_info = mono_jit_info_get_arch_eh_info (jinfo);
5695 encode_value (eh_info->stack_size, p, &p);
5696 encode_value (eh_info->epilog_size, p, &p);
5699 if (jinfo->has_generic_jit_info) {
5700 MonoGenericJitInfo *gi = mono_jit_info_get_generic_jit_info (jinfo);
5701 MonoGenericSharingContext* gsctx = gi->generic_sharing_context;
5705 encode_value (gi->nlocs, p, &p);
5707 for (i = 0; i < gi->nlocs; ++i) {
5708 MonoDwarfLocListEntry *entry = &gi->locations [i];
5710 encode_value (entry->is_reg ? 1 : 0, p, &p);
5711 encode_value (entry->reg, p, &p);
5713 encode_value (entry->offset, p, &p);
5715 g_assert (entry->from == 0);
5717 encode_value (entry->from, p, &p);
5718 encode_value (entry->to, p, &p);
5721 if (!cfg->compile_llvm) {
5722 encode_value (gi->has_this ? 1 : 0, p, &p);
5723 encode_value (gi->this_reg, p, &p);
5724 encode_value (gi->this_offset, p, &p);
5729 * Need to encode jinfo->method too, since it is not equal to 'method'
5730 * when using generic sharing.
5732 buf2 = g_malloc (4096);
5734 encode_method_ref (acfg, jinfo->d.method, p2, &p2);
5736 g_assert (len < 4096);
5737 encode_value (len, p, &p);
5738 memcpy (p, buf2, len);
5742 if (gsctx && gsctx->is_gsharedvt) {
5743 encode_value (1, p, &p);
5745 encode_value (0, p, &p);
5749 if (seq_points_size)
5750 p += mono_seq_point_info_write (seq_points, p);
5752 g_assert (debug_info_size < buf_size);
5754 encode_value (debug_info_size, p, &p);
5755 if (debug_info_size) {
5756 memcpy (p, debug_info, debug_info_size);
5757 p += debug_info_size;
5758 g_free (debug_info);
5763 encode_value (cfg->gc_map_size, p, &p);
5764 /* The GC map requires 4 bytes of alignment */
5765 while ((gsize)p % 4)
5767 memcpy (p, cfg->gc_map, cfg->gc_map_size);
5768 p += cfg->gc_map_size;
5771 acfg->stats.ex_info_size += p - buf;
5773 g_assert (p - buf < buf_size);
5776 /* The GC Map requires 4 byte alignment */
5777 cfg->ex_info_offset = add_to_blob_aligned (acfg, buf, p - buf, cfg->gc_map ? 4 : 1);
5782 emit_klass_info (MonoAotCompile *acfg, guint32 token)
5785 MonoClass *klass = mono_class_get_checked (acfg->image, token, &error);
5787 int i, buf_size, res;
5788 gboolean no_special_static, cant_encode;
5789 gpointer iter = NULL;
5792 mono_error_cleanup (&error);
5796 p = buf = g_malloc (buf_size);
5798 /* Mark as unusable */
5799 encode_value (-1, p, &p);
5801 res = add_to_blob (acfg, buf, p - buf);
5807 buf_size = 10240 + (klass->vtable_size * 16);
5808 p = buf = g_malloc (buf_size);
5812 mono_class_init (klass);
5814 mono_class_get_nested_types (klass, &iter);
5815 g_assert (klass->nested_classes_inited);
5817 mono_class_setup_vtable (klass);
5820 * Emit all the information which is required for creating vtables so
5821 * the runtime does not need to create the MonoMethod structures which
5822 * take up a lot of space.
5825 no_special_static = !mono_class_has_special_static_fields (klass);
5827 /* Check whenever we have enough info to encode the vtable */
5828 cant_encode = FALSE;
5829 for (i = 0; i < klass->vtable_size; ++i) {
5830 MonoMethod *cm = klass->vtable [i];
5832 if (cm && mono_method_signature (cm)->is_inflated && !g_hash_table_lookup (acfg->token_info_hash, cm))
5836 mono_class_has_finalizer (klass);
5838 if (klass->generic_container || cant_encode) {
5839 encode_value (-1, p, &p);
5841 encode_value (klass->vtable_size, p, &p);
5842 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);
5843 if (klass->has_cctor)
5844 encode_method_ref (acfg, mono_class_get_cctor (klass), p, &p);
5845 if (klass->has_finalize)
5846 encode_method_ref (acfg, mono_class_get_finalizer (klass), p, &p);
5848 encode_value (klass->instance_size, p, &p);
5849 encode_value (mono_class_data_size (klass), p, &p);
5850 encode_value (klass->packing_size, p, &p);
5851 encode_value (klass->min_align, p, &p);
5853 for (i = 0; i < klass->vtable_size; ++i) {
5854 MonoMethod *cm = klass->vtable [i];
5857 encode_method_ref (acfg, cm, p, &p);
5859 encode_value (0, p, &p);
5863 acfg->stats.class_info_size += p - buf;
5865 g_assert (p - buf < buf_size);
5866 res = add_to_blob (acfg, buf, p - buf);
5873 get_plt_entry_debug_sym (MonoAotCompile *acfg, MonoJumpInfo *ji, GHashTable *cache)
5875 char *debug_sym = NULL;
5878 if (acfg->llvm && llvm_acfg->aot_opts.static_link) {
5879 /* Need to add a prefix to create unique symbols */
5880 prefix = g_strdup_printf ("plt_%s_", acfg->assembly_name_sym);
5882 prefix = g_strdup ("plt_");
5886 case MONO_PATCH_INFO_METHOD:
5887 debug_sym = get_debug_sym (ji->data.method, prefix, cache);
5889 case MONO_PATCH_INFO_INTERNAL_METHOD:
5890 debug_sym = g_strdup_printf ("%s_jit_icall_%s", prefix, ji->data.name);
5892 case MONO_PATCH_INFO_RGCTX_FETCH:
5893 debug_sym = g_strdup_printf ("%s_rgctx_fetch_%d", prefix, acfg->label_generator ++);
5895 case MONO_PATCH_INFO_ICALL_ADDR: {
5896 char *s = get_debug_sym (ji->data.method, "", cache);
5898 debug_sym = g_strdup_printf ("%s_icall_native_%s", prefix, s);
5902 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
5903 debug_sym = g_strdup_printf ("%s_jit_icall_native_%s", prefix, ji->data.name);
5911 return sanitize_symbol (acfg, debug_sym);
5915 * Calls made from AOTed code are routed through a table of jumps similar to the
5916 * ELF PLT (Program Linkage Table). Initially the PLT entries jump to code which transfers
5917 * control to the AOT runtime through a trampoline.
5920 emit_plt (MonoAotCompile *acfg)
5924 if (acfg->aot_opts.llvm_only) {
5925 g_assert (acfg->plt_offset == 1);
5931 emit_section_change (acfg, ".text", 0);
5932 emit_alignment_code (acfg, NACL_SIZE(16, kNaClAlignment));
5933 emit_info_symbol (acfg, "plt");
5934 emit_label (acfg, acfg->plt_symbol);
5936 for (i = 0; i < acfg->plt_offset; ++i) {
5937 char *debug_sym = NULL;
5938 MonoPltEntry *plt_entry = NULL;
5942 * The first plt entry is unused.
5946 plt_entry = g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
5948 debug_sym = plt_entry->debug_sym;
5950 if (acfg->thumb_mixed && !plt_entry->jit_used)
5951 /* Emit only a thumb version */
5954 /* Skip plt entries not actually called */
5955 if (!plt_entry->jit_used && !plt_entry->llvm_used)
5958 if (acfg->llvm && !acfg->thumb_mixed) {
5959 emit_label (acfg, plt_entry->llvm_symbol);
5961 emit_global_inner (acfg, plt_entry->llvm_symbol, TRUE);
5962 #if defined(TARGET_MACH)
5963 fprintf (acfg->fp, ".private_extern %s\n", plt_entry->llvm_symbol);
5969 if (acfg->need_no_dead_strip) {
5970 emit_unset_mode (acfg);
5971 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
5973 emit_local_symbol (acfg, debug_sym, NULL, TRUE);
5974 emit_label (acfg, debug_sym);
5977 emit_label (acfg, plt_entry->symbol);
5979 arch_emit_plt_entry (acfg, acfg->got_symbol, (acfg->plt_got_offset_base + i) * sizeof (gpointer), acfg->plt_got_info_offsets [i]);
5982 emit_symbol_size (acfg, debug_sym, ".");
5985 if (acfg->thumb_mixed) {
5986 /* Make sure the ARM symbols don't alias the thumb ones */
5987 emit_zero_bytes (acfg, 16);
5990 * Emit a separate set of PLT entries using thumb2 which is called by LLVM generated
5993 for (i = 0; i < acfg->plt_offset; ++i) {
5994 char *debug_sym = NULL;
5995 MonoPltEntry *plt_entry = NULL;
6000 plt_entry = g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
6002 /* Skip plt entries not actually called by LLVM code */
6003 if (!plt_entry->llvm_used)
6006 if (acfg->aot_opts.write_symbols) {
6007 if (plt_entry->debug_sym)
6008 debug_sym = g_strdup_printf ("%s_thumb", plt_entry->debug_sym);
6012 #if defined(TARGET_MACH)
6013 fprintf (acfg->fp, " .thumb_func %s\n", debug_sym);
6014 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
6016 emit_local_symbol (acfg, debug_sym, NULL, TRUE);
6017 emit_label (acfg, debug_sym);
6019 fprintf (acfg->fp, "\n.thumb_func\n");
6021 emit_label (acfg, plt_entry->llvm_symbol);
6024 emit_global_inner (acfg, plt_entry->llvm_symbol, TRUE);
6026 arch_emit_llvm_plt_entry (acfg, acfg->got_symbol, (acfg->plt_got_offset_base + i) * sizeof (gpointer), acfg->plt_got_info_offsets [i]);
6029 emit_symbol_size (acfg, debug_sym, ".");
6035 emit_symbol_size (acfg, acfg->plt_symbol, ".");
6037 emit_info_symbol (acfg, "plt_end");
6041 * emit_trampoline_full:
6043 * If EMIT_TINFO is TRUE, emit additional information which can be used to create a MonoJitInfo for this trampoline by
6044 * create_jit_info_for_trampoline ().
6046 static G_GNUC_UNUSED void
6047 emit_trampoline_full (MonoAotCompile *acfg, int got_offset, MonoTrampInfo *info, gboolean emit_tinfo)
6049 char start_symbol [256];
6050 char end_symbol [256];
6052 guint32 buf_size, info_offset;
6053 MonoJumpInfo *patch_info;
6066 code_size = info->code_size;
6068 unwind_ops = info->unwind_ops;
6070 #ifdef __native_client_codegen__
6071 mono_nacl_fix_patches (code, ji);
6076 sprintf (start_symbol, "%s%s", acfg->user_symbol_prefix, name);
6078 emit_section_change (acfg, ".text", 0);
6079 emit_global (acfg, start_symbol, TRUE);
6080 emit_alignment_code (acfg, AOT_FUNC_ALIGNMENT);
6081 emit_label (acfg, start_symbol);
6083 sprintf (symbol, "%snamed_%s", acfg->temp_prefix, name);
6084 emit_label (acfg, symbol);
6087 * The code should access everything through the GOT, so we pass
6090 emit_and_reloc_code (acfg, NULL, code, code_size, ji, TRUE, NULL);
6092 emit_symbol_size (acfg, start_symbol, ".");
6095 sprintf (end_symbol, "%snamede_%s", acfg->temp_prefix, name);
6096 emit_label (acfg, end_symbol);
6101 /* Sort relocations */
6102 patches = g_ptr_array_new ();
6103 for (patch_info = ji; patch_info; patch_info = patch_info->next)
6104 if (patch_info->type != MONO_PATCH_INFO_NONE)
6105 g_ptr_array_add (patches, patch_info);
6106 g_ptr_array_sort (patches, compare_patches);
6108 buf_size = patches->len * 128 + 128;
6109 buf = g_malloc (buf_size);
6112 encode_patch_list (acfg, patches, patches->len, FALSE, got_offset, p, &p);
6113 g_assert (p - buf < buf_size);
6115 sprintf (symbol, "%s%s_p", acfg->user_symbol_prefix, name);
6117 info_offset = add_to_blob (acfg, buf, p - buf);
6119 emit_section_change (acfg, RODATA_SECT, 0);
6120 emit_global (acfg, symbol, FALSE);
6121 emit_label (acfg, symbol);
6123 emit_int32 (acfg, info_offset);
6127 guint32 encoded_len;
6131 * Emit additional information which can be used to reconstruct a partial MonoTrampInfo.
6133 encoded = mono_unwind_ops_encode (info->unwind_ops, &encoded_len);
6134 uw_offset = get_unwind_info_offset (acfg, encoded, encoded_len);
6137 emit_symbol_diff (acfg, end_symbol, start_symbol, 0);
6138 emit_int32 (acfg, uw_offset);
6141 /* Emit debug info */
6145 sprintf (symbol, "%s", name);
6146 sprintf (symbol2, "%snamed_%s", acfg->temp_prefix, name);
6149 mono_dwarf_writer_emit_trampoline (acfg->dwarf, symbol, symbol2, NULL, NULL, code_size, unwind_ops);
6153 static G_GNUC_UNUSED void
6154 emit_trampoline (MonoAotCompile *acfg, int got_offset, MonoTrampInfo *info)
6156 emit_trampoline_full (acfg, got_offset, info, TRUE);
6160 emit_trampolines (MonoAotCompile *acfg)
6163 char end_symbol [256];
6164 int i, tramp_got_offset;
6165 MonoAotTrampoline ntype;
6166 #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
6170 if (!mono_aot_mode_is_full (&acfg->aot_opts) || acfg->aot_opts.llvm_only)
6173 g_assert (acfg->image->assembly);
6175 /* Currently, we emit most trampolines into the mscorlib AOT image. */
6176 if (strcmp (acfg->image->assembly->aname.name, "mscorlib") == 0) {
6177 #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
6178 MonoTrampInfo *info;
6181 * Emit the generic trampolines.
6183 * We could save some code by treating the generic trampolines as a wrapper
6184 * method, but that approach has its own complexities, so we choose the simpler
6187 for (tramp_type = 0; tramp_type < MONO_TRAMPOLINE_NUM; ++tramp_type) {
6188 /* we overload the boolean here to indicate the slightly different trampoline needed, see mono_arch_create_generic_trampoline() */
6189 #ifdef DISABLE_REMOTING
6190 if (tramp_type == MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING)
6193 #ifndef MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD
6194 if (tramp_type == MONO_TRAMPOLINE_HANDLER_BLOCK_GUARD)
6197 mono_arch_create_generic_trampoline (tramp_type, &info, acfg->aot_opts.use_trampolines_page? 2: TRUE);
6198 emit_trampoline (acfg, acfg->got_offset, info);
6201 /* Emit the exception related code pieces */
6202 mono_arch_get_restore_context (&info, TRUE);
6203 emit_trampoline (acfg, acfg->got_offset, info);
6204 mono_arch_get_call_filter (&info, TRUE);
6205 emit_trampoline (acfg, acfg->got_offset, info);
6206 mono_arch_get_throw_exception (&info, TRUE);
6207 emit_trampoline (acfg, acfg->got_offset, info);
6208 mono_arch_get_rethrow_exception (&info, TRUE);
6209 emit_trampoline (acfg, acfg->got_offset, info);
6210 mono_arch_get_throw_corlib_exception (&info, TRUE);
6211 emit_trampoline (acfg, acfg->got_offset, info);
6213 #ifdef MONO_ARCH_HAVE_SDB_TRAMPOLINES
6214 mono_arch_create_sdb_trampoline (TRUE, &info, TRUE);
6215 emit_trampoline (acfg, acfg->got_offset, info);
6216 mono_arch_create_sdb_trampoline (FALSE, &info, TRUE);
6217 emit_trampoline (acfg, acfg->got_offset, info);
6220 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
6221 mono_arch_get_gsharedvt_trampoline (&info, TRUE);
6223 emit_trampoline_full (acfg, acfg->got_offset, info, TRUE);
6225 /* Create a separate out trampoline for more information in stack traces */
6226 info->name = g_strdup ("gsharedvt_out_trampoline");
6227 emit_trampoline_full (acfg, acfg->got_offset, info, TRUE);
6231 #if defined(MONO_ARCH_HAVE_GET_TRAMPOLINES)
6233 GSList *l = mono_arch_get_trampolines (TRUE);
6236 MonoTrampInfo *info = l->data;
6238 emit_trampoline (acfg, acfg->got_offset, info);
6244 for (i = 0; i < acfg->aot_opts.nrgctx_fetch_trampolines; ++i) {
6247 offset = MONO_RGCTX_SLOT_MAKE_RGCTX (i);
6248 mono_arch_create_rgctx_lazy_fetch_trampoline (offset, &info, TRUE);
6249 emit_trampoline (acfg, acfg->got_offset, info);
6251 offset = MONO_RGCTX_SLOT_MAKE_MRGCTX (i);
6252 mono_arch_create_rgctx_lazy_fetch_trampoline (offset, &info, TRUE);
6253 emit_trampoline (acfg, acfg->got_offset, info);
6256 #ifdef MONO_ARCH_HAVE_GENERAL_RGCTX_LAZY_FETCH_TRAMPOLINE
6257 mono_arch_create_general_rgctx_lazy_fetch_trampoline (&info, TRUE);
6258 emit_trampoline (acfg, acfg->got_offset, info);
6264 /* delegate_invoke_impl trampolines */
6265 l = mono_arch_get_delegate_invoke_impls ();
6267 MonoTrampInfo *info = l->data;
6269 emit_trampoline (acfg, acfg->got_offset, info);
6274 #endif /* #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES */
6276 /* Emit trampolines which are numerous */
6279 * These include the following:
6280 * - specific trampolines
6281 * - static rgctx invoke trampolines
6283 * These trampolines have the same code, they are parameterized by GOT
6285 * They are defined in this file, in the arch_... routines instead of
6286 * in tramp-<ARCH>.c, since it is easier to do it this way.
6290 * When running in aot-only mode, we can't create specific trampolines at
6291 * runtime, so we create a few, and save them in the AOT file.
6292 * Normal trampolines embed their argument as a literal inside the
6293 * trampoline code, we can't do that here, so instead we embed an offset
6294 * which needs to be added to the trampoline address to get the address of
6295 * the GOT slot which contains the argument value.
6296 * The generated trampolines jump to the generic trampolines using another
6297 * GOT slot, which will be setup by the AOT loader to point to the
6298 * generic trampoline code of the given type.
6302 * FIXME: Maybe we should use more specific trampolines (i.e. one class init for
6306 emit_section_change (acfg, ".text", 0);
6308 tramp_got_offset = acfg->got_offset;
6310 for (ntype = 0; ntype < MONO_AOT_TRAMP_NUM; ++ntype) {
6312 case MONO_AOT_TRAMP_SPECIFIC:
6313 sprintf (symbol, "specific_trampolines");
6315 case MONO_AOT_TRAMP_STATIC_RGCTX:
6316 sprintf (symbol, "static_rgctx_trampolines");
6318 case MONO_AOT_TRAMP_IMT_THUNK:
6319 sprintf (symbol, "imt_thunks");
6321 case MONO_AOT_TRAMP_GSHAREDVT_ARG:
6322 sprintf (symbol, "gsharedvt_arg_trampolines");
6325 g_assert_not_reached ();
6328 sprintf (end_symbol, "%s_e", symbol);
6330 if (acfg->aot_opts.write_symbols)
6331 emit_local_symbol (acfg, symbol, end_symbol, TRUE);
6333 emit_alignment_code (acfg, AOT_FUNC_ALIGNMENT);
6334 emit_info_symbol (acfg, symbol);
6336 acfg->trampoline_got_offset_base [ntype] = tramp_got_offset;
6338 for (i = 0; i < acfg->num_trampolines [ntype]; ++i) {
6342 case MONO_AOT_TRAMP_SPECIFIC:
6343 arch_emit_specific_trampoline (acfg, tramp_got_offset, &tramp_size);
6344 tramp_got_offset += 2;
6346 case MONO_AOT_TRAMP_STATIC_RGCTX:
6347 arch_emit_static_rgctx_trampoline (acfg, tramp_got_offset, &tramp_size);
6348 tramp_got_offset += 2;
6350 case MONO_AOT_TRAMP_IMT_THUNK:
6351 arch_emit_imt_thunk (acfg, tramp_got_offset, &tramp_size);
6352 tramp_got_offset += 1;
6354 case MONO_AOT_TRAMP_GSHAREDVT_ARG:
6355 arch_emit_gsharedvt_arg_trampoline (acfg, tramp_got_offset, &tramp_size);
6356 tramp_got_offset += 2;
6359 g_assert_not_reached ();
6361 #ifdef __native_client_codegen__
6362 /* align to avoid 32-byte boundary crossings */
6363 emit_alignment (acfg, AOT_FUNC_ALIGNMENT);
6366 if (!acfg->trampoline_size [ntype]) {
6367 g_assert (tramp_size);
6368 acfg->trampoline_size [ntype] = tramp_size;
6372 emit_label (acfg, end_symbol);
6373 emit_int32 (acfg, 0);
6376 arch_emit_specific_trampoline_pages (acfg);
6378 /* Reserve some entries at the end of the GOT for our use */
6379 acfg->num_trampoline_got_entries = tramp_got_offset - acfg->got_offset;
6382 acfg->got_offset += acfg->num_trampoline_got_entries;
6386 str_begins_with (const char *str1, const char *str2)
6388 int len = strlen (str2);
6389 return strncmp (str1, str2, len) == 0;
6393 mono_aot_readonly_field_override (MonoClassField *field)
6396 for (rdv = readonly_values; rdv; rdv = rdv->next) {
6397 char *p = rdv->name;
6399 len = strlen (field->parent->name_space);
6400 if (strncmp (p, field->parent->name_space, len))
6405 len = strlen (field->parent->name);
6406 if (strncmp (p, field->parent->name, len))
6411 if (strcmp (p, field->name))
6413 switch (rdv->type) {
6415 return &rdv->value.i1;
6417 return &rdv->value.i2;
6419 return &rdv->value.i4;
6428 add_readonly_value (MonoAotOptions *opts, const char *val)
6433 /* the format of val is:
6434 * namespace.typename.fieldname=type/value
6435 * type can be i1 for uint8/int8/boolean, i2 for uint16/int16/char, i4 for uint32/int32
6437 fval = strrchr (val, '/');
6439 fprintf (stderr, "AOT : invalid format for readonly field '%s', missing /.\n", val);
6442 tval = strrchr (val, '=');
6444 fprintf (stderr, "AOT : invalid format for readonly field '%s', missing =.\n", val);
6447 rdv = g_new0 (ReadOnlyValue, 1);
6448 rdv->name = g_malloc0 (tval - val + 1);
6449 memcpy (rdv->name, val, tval - val);
6452 if (strncmp (tval, "i1", 2) == 0) {
6453 rdv->value.i1 = atoi (fval);
6454 rdv->type = MONO_TYPE_I1;
6455 } else if (strncmp (tval, "i2", 2) == 0) {
6456 rdv->value.i2 = atoi (fval);
6457 rdv->type = MONO_TYPE_I2;
6458 } else if (strncmp (tval, "i4", 2) == 0) {
6459 rdv->value.i4 = atoi (fval);
6460 rdv->type = MONO_TYPE_I4;
6462 fprintf (stderr, "AOT : unsupported type for readonly field '%s'.\n", tval);
6465 rdv->next = readonly_values;
6466 readonly_values = rdv;
6470 clean_path (gchar * path)
6475 if (g_str_has_suffix (path, G_DIR_SEPARATOR_S))
6478 gchar *clean = g_strconcat (path, G_DIR_SEPARATOR_S, NULL);
6485 mono_aot_split_options (const char *aot_options)
6487 enum MonoAotOptionState {
6488 MONO_AOT_OPTION_STATE_DEFAULT,
6489 MONO_AOT_OPTION_STATE_STRING,
6490 MONO_AOT_OPTION_STATE_ESCAPE,
6493 GPtrArray *args = g_ptr_array_new ();
6494 enum MonoAotOptionState state = MONO_AOT_OPTION_STATE_DEFAULT;
6495 gchar const *opt_start = aot_options;
6496 gboolean end_of_string = FALSE;
6499 g_return_val_if_fail (aot_options != NULL, NULL);
6501 while ((cur = *aot_options) != '\0') {
6502 if (state == MONO_AOT_OPTION_STATE_ESCAPE)
6507 // If we find a quote, then if we're in the default case then
6508 // it means we've found the start of a string, if not then it
6509 // means we've found the end of the string and should switch
6510 // back to the default case.
6512 case MONO_AOT_OPTION_STATE_DEFAULT:
6513 state = MONO_AOT_OPTION_STATE_STRING;
6515 case MONO_AOT_OPTION_STATE_STRING:
6516 state = MONO_AOT_OPTION_STATE_DEFAULT;
6518 case MONO_AOT_OPTION_STATE_ESCAPE:
6519 g_assert_not_reached ();
6524 // If we've found an escaping operator, then this means we
6525 // should not process the next character if inside a string.
6526 if (state == MONO_AOT_OPTION_STATE_STRING)
6527 state = MONO_AOT_OPTION_STATE_ESCAPE;
6530 // If we're in the default state then this means we've found
6531 // an option, store it for later processing.
6532 if (state == MONO_AOT_OPTION_STATE_DEFAULT)
6539 // If the next character is end of string, then process the last option.
6540 if (*(aot_options) == '\0') {
6541 end_of_string = TRUE;
6547 g_ptr_array_add (args, g_strndup (opt_start, aot_options - opt_start));
6548 opt_start = ++aot_options;
6558 mono_aot_parse_options (const char *aot_options, MonoAotOptions *opts)
6562 args = mono_aot_split_options (aot_options ? aot_options : "");
6563 for (int i = 0; i < args->len; ++i) {
6564 const char *arg = g_ptr_array_index (args, i);
6566 if (str_begins_with (arg, "outfile=")) {
6567 opts->outfile = g_strdup (arg + strlen ("outfile="));
6568 } else if (str_begins_with (arg, "llvm-outfile=")) {
6569 opts->llvm_outfile = g_strdup (arg + strlen ("llvm-outfile="));
6570 } else if (str_begins_with (arg, "temp-path=")) {
6571 opts->temp_path = clean_path (g_strdup (arg + strlen ("temp-path=")));
6572 } else if (str_begins_with (arg, "save-temps")) {
6573 opts->save_temps = TRUE;
6574 } else if (str_begins_with (arg, "keep-temps")) {
6575 opts->save_temps = TRUE;
6576 } else if (str_begins_with (arg, "write-symbols")) {
6577 opts->write_symbols = TRUE;
6578 } else if (str_begins_with (arg, "no-write-symbols")) {
6579 opts->write_symbols = FALSE;
6580 } else if (str_begins_with (arg, "metadata-only")) {
6581 opts->metadata_only = TRUE;
6582 } else if (str_begins_with (arg, "bind-to-runtime-version")) {
6583 opts->bind_to_runtime_version = TRUE;
6584 } else if (str_begins_with (arg, "full")) {
6585 opts->mode = MONO_AOT_MODE_FULL;
6586 } else if (str_begins_with (arg, "hybrid")) {
6587 opts->mode = MONO_AOT_MODE_HYBRID;
6588 } else if (str_begins_with (arg, "threads=")) {
6589 opts->nthreads = atoi (arg + strlen ("threads="));
6590 } else if (str_begins_with (arg, "static")) {
6591 opts->static_link = TRUE;
6592 opts->no_dlsym = TRUE;
6593 } else if (str_begins_with (arg, "asmonly")) {
6594 opts->asm_only = TRUE;
6595 } else if (str_begins_with (arg, "asmwriter")) {
6596 opts->asm_writer = TRUE;
6597 } else if (str_begins_with (arg, "nodebug")) {
6598 opts->nodebug = TRUE;
6599 } else if (str_begins_with (arg, "dwarfdebug")) {
6600 opts->dwarf_debug = TRUE;
6601 } else if (str_begins_with (arg, "nopagetrampolines")) {
6602 opts->use_trampolines_page = FALSE;
6603 } else if (str_begins_with (arg, "ntrampolines=")) {
6604 opts->ntrampolines = atoi (arg + strlen ("ntrampolines="));
6605 } else if (str_begins_with (arg, "nrgctx-trampolines=")) {
6606 opts->nrgctx_trampolines = atoi (arg + strlen ("nrgctx-trampolines="));
6607 } else if (str_begins_with (arg, "nimt-trampolines=")) {
6608 opts->nimt_trampolines = atoi (arg + strlen ("nimt-trampolines="));
6609 } else if (str_begins_with (arg, "ngsharedvt-trampolines=")) {
6610 opts->ngsharedvt_arg_trampolines = atoi (arg + strlen ("ngsharedvt-trampolines="));
6611 } else if (str_begins_with (arg, "tool-prefix=")) {
6612 opts->tool_prefix = g_strdup (arg + strlen ("tool-prefix="));
6613 } else if (str_begins_with (arg, "ld-flags=")) {
6614 opts->ld_flags = g_strdup (arg + strlen ("ld-flags="));
6615 } else if (str_begins_with (arg, "soft-debug")) {
6616 opts->soft_debug = TRUE;
6617 } else if (str_begins_with (arg, "gen-seq-points-file")) {
6618 opts->gen_seq_points_file = TRUE;
6619 } else if (str_begins_with (arg, "direct-pinvoke")) {
6620 opts->direct_pinvoke = TRUE;
6621 } else if (str_begins_with (arg, "direct-icalls")) {
6622 opts->direct_icalls = TRUE;
6623 } else if (str_begins_with (arg, "no-direct-calls")) {
6624 opts->no_direct_calls = TRUE;
6625 } else if (str_begins_with (arg, "print-skipped")) {
6626 opts->print_skipped_methods = TRUE;
6627 } else if (str_begins_with (arg, "stats")) {
6629 } else if (str_begins_with (arg, "no-instances")) {
6630 opts->no_instances = TRUE;
6631 } else if (str_begins_with (arg, "log-generics")) {
6632 opts->log_generics = TRUE;
6633 } else if (str_begins_with (arg, "log-instances=")) {
6634 opts->log_instances = TRUE;
6635 opts->instances_logfile_path = g_strdup (arg + strlen ("log-instances="));
6636 } else if (str_begins_with (arg, "log-instances")) {
6637 opts->log_instances = TRUE;
6638 } else if (str_begins_with (arg, "internal-logfile=")) {
6639 opts->logfile = g_strdup (arg + strlen ("internal-logfile="));
6640 } else if (str_begins_with (arg, "mtriple=")) {
6641 opts->mtriple = g_strdup (arg + strlen ("mtriple="));
6642 } else if (str_begins_with (arg, "llvm-path=")) {
6643 opts->llvm_path = clean_path (g_strdup (arg + strlen ("llvm-path=")));
6644 } else if (!strcmp (arg, "llvm")) {
6646 } else if (str_begins_with (arg, "readonly-value=")) {
6647 add_readonly_value (opts, arg + strlen ("readonly-value="));
6648 } else if (str_begins_with (arg, "info")) {
6649 printf ("AOT target setup: %s.\n", AOT_TARGET_STR);
6651 } else if (str_begins_with (arg, "gc-maps")) {
6652 mini_gc_enable_gc_maps_for_aot ();
6653 } else if (str_begins_with (arg, "dump")) {
6654 opts->dump_json = TRUE;
6655 } else if (str_begins_with (arg, "llvmonly")) {
6656 opts->mode = MONO_AOT_MODE_FULL;
6658 opts->llvm_only = TRUE;
6659 } else if (str_begins_with (arg, "help") || str_begins_with (arg, "?")) {
6660 printf ("Supported options for --aot:\n");
6661 printf (" outfile=\n");
6662 printf (" llvm-outfile=\n");
6663 printf (" llvm-path=\n");
6664 printf (" temp-path=\n");
6665 printf (" save-temps\n");
6666 printf (" keep-temps\n");
6667 printf (" write-symbols\n");
6668 printf (" metadata-only\n");
6669 printf (" bind-to-runtime-version\n");
6671 printf (" threads=\n");
6672 printf (" static\n");
6673 printf (" asmonly\n");
6674 printf (" asmwriter\n");
6675 printf (" nodebug\n");
6676 printf (" dwarfdebug\n");
6677 printf (" ntrampolines=\n");
6678 printf (" nrgctx-trampolines=\n");
6679 printf (" nimt-trampolines=\n");
6680 printf (" ngsharedvt-trampolines=\n");
6681 printf (" tool-prefix=\n");
6682 printf (" readonly-value=\n");
6683 printf (" soft-debug\n");
6684 printf (" gen-seq-points-file\n");
6685 printf (" gc-maps\n");
6686 printf (" print-skipped\n");
6687 printf (" no-instances\n");
6688 printf (" stats\n");
6691 printf (" help/?\n");
6694 fprintf (stderr, "AOT : Unknown argument '%s'.\n", arg);
6698 g_free ((gpointer) arg);
6701 if (opts->use_trampolines_page) {
6702 opts->ntrampolines = 0;
6703 opts->nrgctx_trampolines = 0;
6704 opts->nimt_trampolines = 0;
6705 opts->ngsharedvt_arg_trampolines = 0;
6708 g_ptr_array_free (args, /*free_seg=*/TRUE);
6712 add_token_info_hash (gpointer key, gpointer value, gpointer user_data)
6714 MonoMethod *method = (MonoMethod*)key;
6715 MonoJumpInfoToken *ji = (MonoJumpInfoToken*)value;
6716 MonoAotCompile *acfg = user_data;
6717 MonoJumpInfoToken *new_ji;
6719 new_ji = mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfoToken));
6720 new_ji->image = ji->image;
6721 new_ji->token = ji->token;
6722 g_hash_table_insert (acfg->token_info_hash, method, new_ji);
6726 can_encode_class (MonoAotCompile *acfg, MonoClass *klass)
6728 if (klass->type_token)
6730 if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR) || (klass->byval_arg.type == MONO_TYPE_PTR))
6733 return can_encode_class (acfg, klass->element_class);
6738 can_encode_method (MonoAotCompile *acfg, MonoMethod *method)
6740 if (method->wrapper_type) {
6741 switch (method->wrapper_type) {
6742 case MONO_WRAPPER_NONE:
6743 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
6744 case MONO_WRAPPER_XDOMAIN_INVOKE:
6745 case MONO_WRAPPER_STFLD:
6746 case MONO_WRAPPER_LDFLD:
6747 case MONO_WRAPPER_LDFLDA:
6748 case MONO_WRAPPER_LDFLD_REMOTE:
6749 case MONO_WRAPPER_STFLD_REMOTE:
6750 case MONO_WRAPPER_STELEMREF:
6751 case MONO_WRAPPER_ISINST:
6752 case MONO_WRAPPER_PROXY_ISINST:
6753 case MONO_WRAPPER_ALLOC:
6754 case MONO_WRAPPER_REMOTING_INVOKE:
6755 case MONO_WRAPPER_UNKNOWN:
6756 case MONO_WRAPPER_WRITE_BARRIER:
6757 case MONO_WRAPPER_DELEGATE_INVOKE:
6758 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE:
6759 case MONO_WRAPPER_DELEGATE_END_INVOKE:
6760 case MONO_WRAPPER_SYNCHRONIZED:
6762 case MONO_WRAPPER_MANAGED_TO_MANAGED:
6763 case MONO_WRAPPER_CASTCLASS: {
6764 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
6773 //printf ("Skip (wrapper call): %d -> %s\n", patch_info->type, mono_method_full_name (patch_info->data.method, TRUE));
6777 if (!method->token) {
6778 /* The method is part of a constructed type like Int[,].Set (). */
6779 if (!g_hash_table_lookup (acfg->token_info_hash, method)) {
6780 if (method->klass->rank)
6790 can_encode_patch (MonoAotCompile *acfg, MonoJumpInfo *patch_info)
6792 switch (patch_info->type) {
6793 case MONO_PATCH_INFO_METHOD:
6794 case MONO_PATCH_INFO_METHODCONST:
6795 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
6796 MonoMethod *method = patch_info->data.method;
6798 return can_encode_method (acfg, method);
6800 case MONO_PATCH_INFO_VTABLE:
6801 case MONO_PATCH_INFO_CLASS:
6802 case MONO_PATCH_INFO_IID:
6803 case MONO_PATCH_INFO_ADJUSTED_IID:
6804 if (!can_encode_class (acfg, patch_info->data.klass)) {
6805 //printf ("Skip: %s\n", mono_type_full_name (&patch_info->data.klass->byval_arg));
6809 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
6810 if (!can_encode_class (acfg, patch_info->data.del_tramp->klass)) {
6811 //printf ("Skip: %s\n", mono_type_full_name (&patch_info->data.klass->byval_arg));
6816 case MONO_PATCH_INFO_RGCTX_FETCH:
6817 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
6818 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
6820 if (!can_encode_method (acfg, entry->method))
6822 if (!can_encode_patch (acfg, entry->data))
6836 * AOT compile a given method.
6837 * This function might be called by multiple threads, so it must be thread-safe.
6840 compile_method (MonoAotCompile *acfg, MonoMethod *method)
6843 MonoJumpInfo *patch_info;
6846 MonoMethod *wrapped;
6849 if (acfg->aot_opts.metadata_only)
6852 mono_acfg_lock (acfg);
6853 index = get_method_index (acfg, method);
6854 mono_acfg_unlock (acfg);
6856 /* fixme: maybe we can also precompile wrapper methods */
6857 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
6858 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
6859 (method->flags & METHOD_ATTRIBUTE_ABSTRACT)) {
6860 //printf ("Skip (impossible): %s\n", mono_method_full_name (method, TRUE));
6864 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
6867 wrapped = mono_marshal_method_from_wrapper (method);
6868 if (wrapped && (wrapped->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) && wrapped->is_generic)
6869 // FIXME: The wrapper should be generic too, but it is not
6872 if (method->wrapper_type == MONO_WRAPPER_COMINTEROP)
6875 InterlockedIncrement (&acfg->stats.mcount);
6878 if (method->is_generic || method->klass->generic_container) {
6879 InterlockedIncrement (&acfg->stats.genericcount);
6884 //acfg->aot_opts.print_skipped_methods = TRUE;
6887 * Since these methods are the only ones which are compiled with
6888 * AOT support, and they are not used by runtime startup/shutdown code,
6889 * the runtime will not see AOT methods during AOT compilation,so it
6890 * does not need to support them by creating a fake GOT etc.
6892 flags = JIT_FLAG_AOT;
6893 if (mono_aot_mode_is_full (&acfg->aot_opts))
6894 flags |= JIT_FLAG_FULL_AOT;
6896 flags |= JIT_FLAG_LLVM;
6897 if (acfg->aot_opts.llvm_only)
6898 flags |= JIT_FLAG_LLVM_ONLY | JIT_FLAG_EXPLICIT_NULL_CHECKS;
6899 if (acfg->aot_opts.no_direct_calls)
6900 flags |= JIT_FLAG_NO_DIRECT_ICALLS;
6901 cfg = mini_method_compile (method, acfg->opts, mono_get_root_domain (), flags, 0, index);
6902 mono_loader_clear_error ();
6904 if (cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
6905 if (acfg->aot_opts.print_skipped_methods)
6906 printf ("Skip (gshared failure): %s (%s)\n", mono_method_full_name (method, TRUE), cfg->exception_message);
6907 InterlockedIncrement (&acfg->stats.genericcount);
6910 if (cfg->exception_type != MONO_EXCEPTION_NONE) {
6911 if (acfg->aot_opts.print_skipped_methods)
6912 printf ("Skip (JIT failure): %s\n", mono_method_full_name (method, TRUE));
6913 /* Let the exception happen at runtime */
6917 if (cfg->disable_aot) {
6918 if (acfg->aot_opts.print_skipped_methods)
6919 printf ("Skip (disabled): %s\n", mono_method_full_name (method, TRUE));
6920 InterlockedIncrement (&acfg->stats.ocount);
6921 mono_destroy_compile (cfg);
6924 cfg->method_index = index;
6926 /* Nullify patches which need no aot processing */
6927 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
6928 switch (patch_info->type) {
6929 case MONO_PATCH_INFO_LABEL:
6930 case MONO_PATCH_INFO_BB:
6931 patch_info->type = MONO_PATCH_INFO_NONE;
6938 /* Collect method->token associations from the cfg */
6939 mono_acfg_lock (acfg);
6940 g_hash_table_foreach (cfg->token_info_hash, add_token_info_hash, acfg);
6941 mono_acfg_unlock (acfg);
6942 g_hash_table_destroy (cfg->token_info_hash);
6943 cfg->token_info_hash = NULL;
6946 * Check for absolute addresses.
6949 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
6950 switch (patch_info->type) {
6951 case MONO_PATCH_INFO_ABS:
6952 /* unable to handle this */
6961 if (acfg->aot_opts.print_skipped_methods)
6962 printf ("Skip (abs call): %s\n", mono_method_full_name (method, TRUE));
6963 InterlockedIncrement (&acfg->stats.abscount);
6964 mono_destroy_compile (cfg);
6968 /* Lock for the rest of the code */
6969 mono_acfg_lock (acfg);
6972 * Check for methods/klasses we can't encode.
6975 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
6976 if (!can_encode_patch (acfg, patch_info))
6981 if (acfg->aot_opts.print_skipped_methods)
6982 printf ("Skip (patches): %s\n", mono_method_full_name (method, TRUE));
6983 acfg->stats.ocount++;
6984 mono_destroy_compile (cfg);
6985 mono_acfg_unlock (acfg);
6989 if (!cfg->compile_llvm)
6990 acfg->has_jitted_code = TRUE;
6992 if (method->is_inflated && acfg->aot_opts.log_instances) {
6993 if (acfg->instances_logfile)
6994 fprintf (acfg->instances_logfile, "%s ### %d\n", mono_method_full_name (method, TRUE), cfg->code_size);
6996 printf ("%s ### %d\n", mono_method_full_name (method, TRUE), cfg->code_size);
6999 /* Adds generic instances referenced by this method */
7001 * The depth is used to avoid infinite loops when generic virtual recursion is
7004 depth = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_depth, method));
7005 if (!acfg->aot_opts.no_instances && depth < 32) {
7006 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7007 switch (patch_info->type) {
7008 case MONO_PATCH_INFO_RGCTX_FETCH:
7009 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX:
7010 case MONO_PATCH_INFO_METHOD: {
7011 MonoMethod *m = NULL;
7013 if (patch_info->type == MONO_PATCH_INFO_RGCTX_FETCH || patch_info->type == MONO_PATCH_INFO_RGCTX_SLOT_INDEX) {
7014 MonoJumpInfoRgctxEntry *e = patch_info->data.rgctx_entry;
7016 if (e->info_type == MONO_RGCTX_INFO_GENERIC_METHOD_CODE)
7017 m = e->data->data.method;
7019 m = patch_info->data.method;
7024 if (m->is_inflated) {
7025 if (!(mono_class_generic_sharing_enabled (m->klass) &&
7026 mono_method_is_generic_sharable_full (m, FALSE, FALSE, FALSE)) &&
7027 (!method_has_type_vars (m) || mono_method_is_generic_sharable_full (m, TRUE, TRUE, FALSE))) {
7028 if (m->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
7029 if (mono_aot_mode_is_full (&acfg->aot_opts) && !method_has_type_vars (m))
7030 add_extra_method_with_depth (acfg, mono_marshal_get_native_wrapper (m, TRUE, TRUE), depth + 1);
7032 add_extra_method_with_depth (acfg, m, depth + 1);
7033 add_types_from_method_header (acfg, m);
7036 add_generic_class_with_depth (acfg, m->klass, depth + 5, "method");
7038 if (m->wrapper_type == MONO_WRAPPER_MANAGED_TO_MANAGED) {
7039 WrapperInfo *info = mono_marshal_get_wrapper_info (m);
7041 if (info && info->subtype == WRAPPER_SUBTYPE_ELEMENT_ADDR)
7042 add_extra_method_with_depth (acfg, m, depth + 1);
7046 case MONO_PATCH_INFO_VTABLE: {
7047 MonoClass *klass = patch_info->data.klass;
7049 if (klass->generic_class && !mini_class_is_generic_sharable (klass))
7050 add_generic_class_with_depth (acfg, klass, depth + 5, "vtable");
7053 case MONO_PATCH_INFO_SFLDA: {
7054 MonoClass *klass = patch_info->data.field->parent;
7056 /* The .cctor needs to run at runtime. */
7057 if (klass->generic_class && !mono_generic_context_is_sharable (&klass->generic_class->context, FALSE) && mono_class_get_cctor (klass))
7058 add_extra_method_with_depth (acfg, mono_class_get_cctor (klass), depth + 1);
7067 /* Determine whenever the method has GOT slots */
7068 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7069 switch (patch_info->type) {
7070 case MONO_PATCH_INFO_GOT_OFFSET:
7071 case MONO_PATCH_INFO_NONE:
7072 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
7073 case MONO_PATCH_INFO_GC_NURSERY_START:
7075 case MONO_PATCH_INFO_IMAGE:
7076 /* The assembly is stored in GOT slot 0 */
7077 if (patch_info->data.image != acfg->image)
7078 cfg->has_got_slots = TRUE;
7081 if (!is_plt_patch (patch_info) || (cfg->compile_llvm && acfg->aot_opts.llvm_only))
7082 cfg->has_got_slots = TRUE;
7087 if (!cfg->has_got_slots)
7088 InterlockedIncrement (&acfg->stats.methods_without_got_slots);
7091 * FIXME: Instead of this mess, allocate the patches from the aot mempool.
7093 /* Make a copy of the patch info which is in the mempool */
7095 MonoJumpInfo *patches = NULL, *patches_end = NULL;
7097 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7098 MonoJumpInfo *new_patch_info = mono_patch_info_dup_mp (acfg->mempool, patch_info);
7101 patches = new_patch_info;
7103 patches_end->next = new_patch_info;
7104 patches_end = new_patch_info;
7106 cfg->patch_info = patches;
7108 /* Make a copy of the unwind info */
7110 GSList *l, *unwind_ops;
7114 for (l = cfg->unwind_ops; l; l = l->next) {
7115 op = mono_mempool_alloc (acfg->mempool, sizeof (MonoUnwindOp));
7116 memcpy (op, l->data, sizeof (MonoUnwindOp));
7117 unwind_ops = g_slist_prepend_mempool (acfg->mempool, unwind_ops, op);
7119 cfg->unwind_ops = g_slist_reverse (unwind_ops);
7121 /* Make a copy of the argument/local info */
7123 MonoInst **args, **locals;
7124 MonoMethodSignature *sig;
7125 MonoMethodHeader *header;
7128 sig = mono_method_signature (method);
7129 args = mono_mempool_alloc (acfg->mempool, sizeof (MonoInst*) * (sig->param_count + sig->hasthis));
7130 for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
7131 args [i] = mono_mempool_alloc (acfg->mempool, sizeof (MonoInst));
7132 memcpy (args [i], cfg->args [i], sizeof (MonoInst));
7136 header = mono_method_get_header (method);
7137 locals = mono_mempool_alloc (acfg->mempool, sizeof (MonoInst*) * header->num_locals);
7138 for (i = 0; i < header->num_locals; ++i) {
7139 locals [i] = mono_mempool_alloc (acfg->mempool, sizeof (MonoInst));
7140 memcpy (locals [i], cfg->locals [i], sizeof (MonoInst));
7142 cfg->locals = locals;
7145 /* Free some fields used by cfg to conserve memory */
7146 mono_mempool_destroy (cfg->mempool);
7147 cfg->mempool = NULL;
7148 g_free (cfg->varinfo);
7149 cfg->varinfo = NULL;
7153 mono_regstate_free (cfg->rs);
7157 //printf ("Compile: %s\n", mono_method_full_name (method, TRUE));
7159 while (index >= acfg->cfgs_size) {
7160 MonoCompile **new_cfgs;
7163 new_size = acfg->cfgs_size * 2;
7164 new_cfgs = g_new0 (MonoCompile*, new_size);
7165 memcpy (new_cfgs, acfg->cfgs, sizeof (MonoCompile*) * acfg->cfgs_size);
7166 g_free (acfg->cfgs);
7167 acfg->cfgs = new_cfgs;
7168 acfg->cfgs_size = new_size;
7170 acfg->cfgs [index] = cfg;
7172 g_hash_table_insert (acfg->method_to_cfg, cfg->orig_method, cfg);
7175 if (cfg->orig_method->wrapper_type)
7176 g_ptr_array_add (acfg->extra_methods, cfg->orig_method);
7179 mono_acfg_unlock (acfg);
7181 InterlockedIncrement (&acfg->stats.ccount);
7185 compile_thread_main (gpointer *user_data)
7187 MonoDomain *domain = user_data [0];
7188 MonoAotCompile *acfg = user_data [1];
7189 GPtrArray *methods = user_data [2];
7192 mono_thread_attach (domain);
7194 for (i = 0; i < methods->len; ++i)
7195 compile_method (acfg, g_ptr_array_index (methods, i));
7199 load_profile_files (MonoAotCompile *acfg)
7203 int file_index, res, method_index, i;
7206 GList *unordered, *l;
7211 tmp = g_strdup_printf ("%s/.mono/aot-profile-data/%s-%d", g_get_home_dir (), acfg->image->assembly_name, file_index);
7213 if (!g_file_test (tmp, G_FILE_TEST_IS_REGULAR)) {
7218 infile = fopen (tmp, "r");
7221 printf ("Using profile data file '%s'\n", tmp);
7226 res = fscanf (infile, "%32s\n", ver);
7227 if ((res != 1) || strcmp (ver, "#VER:2") != 0) {
7228 printf ("Profile file has wrong version or invalid.\n");
7235 MonoMethodDesc *desc;
7238 if (fgets (name, 1023, infile) == NULL)
7241 /* Kill the newline */
7242 if (strlen (name) > 0)
7243 name [strlen (name) - 1] = '\0';
7245 desc = mono_method_desc_new (name, TRUE);
7247 method = mono_method_desc_search_in_image (desc, acfg->image);
7249 if (method && mono_method_get_token (method)) {
7250 token = mono_method_get_token (method);
7251 method_index = mono_metadata_token_index (token) - 1;
7254 for (i = 0; i < acfg->method_order->len; ++i) {
7255 if (g_ptr_array_index (acfg->method_order, i) == GUINT_TO_POINTER (method_index)) {
7261 g_ptr_array_add (acfg->method_order, GUINT_TO_POINTER (method_index));
7263 //printf ("No method found matching '%s'.\n", name);
7269 /* Add missing methods */
7271 for (method_index = 0; method_index < acfg->image->tables [MONO_TABLE_METHOD].rows; ++method_index) {
7273 for (i = 0; i < acfg->method_order->len; ++i) {
7274 if (g_ptr_array_index (acfg->method_order, i) == GUINT_TO_POINTER (method_index)) {
7280 unordered = g_list_prepend (unordered, GUINT_TO_POINTER (method_index));
7282 unordered = g_list_reverse (unordered);
7283 for (l = unordered; l; l = l->next)
7284 g_ptr_array_add (acfg->method_order, l->data);
7287 /* Used by the LLVM backend */
7289 mono_aot_get_got_offset (MonoJumpInfo *ji)
7291 return get_got_offset (llvm_acfg, TRUE, ji);
7295 mono_aot_get_method_name (MonoCompile *cfg)
7297 if (llvm_acfg->aot_opts.static_link)
7298 /* Include the assembly name too to avoid duplicate symbol errors */
7299 return g_strdup_printf ("%s_%s", llvm_acfg->assembly_name_sym, get_debug_sym (cfg->orig_method, "", llvm_acfg->method_label_hash));
7301 return get_debug_sym (cfg->orig_method, "", llvm_acfg->method_label_hash);
7305 mono_aot_is_direct_callable (MonoJumpInfo *patch_info)
7307 return is_direct_callable (llvm_acfg, NULL, patch_info);
7311 mono_aot_mark_unused_llvm_plt_entry (MonoJumpInfo *patch_info)
7313 MonoPltEntry *plt_entry;
7315 plt_entry = get_plt_entry (llvm_acfg, patch_info);
7316 plt_entry->llvm_used = FALSE;
7320 mono_aot_get_plt_symbol (MonoJumpInfoType type, gconstpointer data)
7322 MonoJumpInfo *ji = mono_mempool_alloc (llvm_acfg->mempool, sizeof (MonoJumpInfo));
7323 MonoPltEntry *plt_entry;
7324 const char *sym = NULL;
7327 ji->data.target = data;
7329 if (!can_encode_patch (llvm_acfg, ji))
7332 if (llvm_acfg->aot_opts.direct_icalls) {
7333 if (type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
7334 /* Call to a C function implementing a jit icall */
7335 sym = mono_lookup_jit_icall_symbol (data);
7336 } else if (type == MONO_PATCH_INFO_ICALL_ADDR) {
7337 MonoMethod *method = (gpointer)data;
7338 if (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
7339 sym = mono_lookup_icall_symbol (method);
7342 return g_strdup (sym);
7345 plt_entry = get_plt_entry (llvm_acfg, ji);
7346 plt_entry->llvm_used = TRUE;
7348 #if defined(TARGET_MACH)
7349 return g_strdup_printf (plt_entry->llvm_symbol + strlen (llvm_acfg->llvm_label_prefix));
7351 return g_strdup_printf (plt_entry->llvm_symbol);
7356 mono_aot_get_method_index (MonoMethod *method)
7358 g_assert (llvm_acfg);
7359 return get_method_index (llvm_acfg, method);
7363 mono_aot_patch_info_dup (MonoJumpInfo* ji)
7367 mono_acfg_lock (llvm_acfg);
7368 res = mono_patch_info_dup_mp (llvm_acfg->mempool, ji);
7369 mono_acfg_unlock (llvm_acfg);
7375 execute_system (const char * command)
7380 // We need an extra set of quotes around the whole command to properly handle commands
7381 // with spaces since internally the command is called through "cmd /c.
7382 command = g_strdup_printf ("\"%s\"", command);
7384 int size = MultiByteToWideChar (CP_UTF8, 0 , command , -1, NULL , 0);
7385 wchar_t* wstr = g_malloc (sizeof (wchar_t) * size);
7386 MultiByteToWideChar (CP_UTF8, 0, command, -1, wstr , size);
7387 status = _wsystem (wstr);
7391 #elif defined (HAVE_SYSTEM)
7392 status = system (command);
7394 g_assert_not_reached ();
7405 * Emit the LLVM code into an LLVM bytecode file, and compile it using the LLVM
7409 emit_llvm_file (MonoAotCompile *acfg)
7411 char *command, *opts, *tempbc, *output_fname;
7413 /* Emit the LLVM code into a .bc file */
7414 tempbc = g_strdup_printf ("%s.bc", acfg->tmpbasename);
7415 mono_llvm_emit_aot_module (tempbc, g_path_get_basename (acfg->image->name));
7418 if (acfg->aot_opts.llvm_only) {
7419 /* Use the stock clang from xcode */
7422 // FIXME: llc/opt flags
7423 command = g_strdup_printf ("clang -march=x86-64 -fpic -msse -msse2 -msse3 -msse4 -O0 -c -o \"%s\" \"%s.bc\"", acfg->llvm_ofile, acfg->tmpbasename);
7424 //command = g_strdup_printf ("/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS8.3.sdk -Qunused-arguments -miphoneos-version-min=8.2 -arch arm64 -fpic -O0 -c -o \"%s\" \"%s.bc\"", acfg->llvm_ofile, acfg->tmpbasename);
7426 aot_printf (acfg, "Executing clang: %s\n", command);
7427 if (execute_system (command) != 0)
7433 * FIXME: Experiment with adding optimizations, the -std-compile-opts set takes
7434 * a lot of time, and doesn't seem to save much space.
7435 * The following optimizations cannot be enabled:
7437 * - 'jump-threading' changes our blockaddress references to int constants.
7438 * - 'basiccg' fails because it contains:
7439 * if (CS && !isa<IntrinsicInst>(II)) {
7440 * and isa<IntrinsicInst> is false for invokes to intrinsics (iltests.exe).
7441 * - 'prune-eh' and 'functionattrs' depend on 'basiccg'.
7442 * The opt list below was produced by taking the output of:
7443 * llvm-as < /dev/null | opt -O2 -disable-output -debug-pass=Arguments
7444 * then removing tailcallelim + the global opts.
7445 * strip-dead-prototypes deletes unused intrinsics definitions.
7447 //opts = g_strdup ("-simplifycfg -domtree -domfrontier -scalarrepl -instcombine -simplifycfg -domtree -domfrontier -scalarrepl -simplify-libcalls -instcombine -simplifycfg -instcombine -simplifycfg -reassociate -domtree -loops -loop-simplify -domfrontier -loop-simplify -lcssa -loop-rotate -licm -lcssa -loop-unswitch -instcombine -scalar-evolution -loop-simplify -lcssa -iv-users -indvars -loop-deletion -loop-simplify -lcssa -loop-unroll -instcombine -memdep -gvn -memdep -memcpyopt -sccp -instcombine -domtree -memdep -dse -adce -simplifycfg -domtree -verify");
7448 /* The dse pass is disabled because of #13734 and #17616 */
7450 * The dse bug is in DeadStoreElimination.cpp:isOverwrite ():
7451 * // If we have no DataLayout information around, then the size of the store
7452 * // is inferrable from the pointee type. If they are the same type, then
7453 * // we know that the store is safe.
7454 * if (AA.getDataLayout() == 0 &&
7455 * Later.Ptr->getType() == Earlier.Ptr->getType()) {
7456 * return OverwriteComplete;
7457 * Here, if 'Earlier' refers to a memset, and Later has no size info, it mistakenly thinks the memset is redundant.
7459 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");
7460 opts = g_strdup ("");
7462 command = g_strdup_printf ("\"%sopt\" -f %s -o \"%s.opt.bc\" \"%s.bc\"", acfg->aot_opts.llvm_path, opts, acfg->tmpbasename, acfg->tmpbasename);
7463 aot_printf (acfg, "Executing opt: %s\n", command);
7464 if (execute_system (command) != 0)
7469 if (!acfg->llc_args)
7470 acfg->llc_args = g_string_new ("");
7472 /* Verbose asm slows down llc greatly */
7473 g_string_append (acfg->llc_args, " -asm-verbose=false");
7475 if (acfg->aot_opts.mtriple)
7476 g_string_append_printf (acfg->llc_args, " -mtriple=%s", acfg->aot_opts.mtriple);
7478 g_string_append (acfg->llc_args, " -disable-gnu-eh-frame -enable-mono-eh-frame");
7480 g_string_append_printf (acfg->llc_args, " -mono-eh-frame-symbol=%s%s", acfg->user_symbol_prefix, acfg->llvm_eh_frame_symbol);
7482 #if defined(TARGET_MACH) && defined(TARGET_ARM)
7483 /* ios requires PIC code now */
7484 g_string_append_printf (acfg->llc_args, " -relocation-model=pic");
7486 if (llvm_acfg->aot_opts.static_link)
7487 g_string_append_printf (acfg->llc_args, " -relocation-model=static");
7489 g_string_append_printf (acfg->llc_args, " -relocation-model=pic");
7492 if (acfg->llvm_owriter) {
7493 /* Emit an object file directly */
7494 output_fname = g_strdup_printf ("%s", acfg->llvm_ofile);
7495 g_string_append_printf (acfg->llc_args, " -filetype=obj");
7497 output_fname = g_strdup_printf ("%s", acfg->llvm_sfile);
7499 command = g_strdup_printf ("\"%sllc\" %s -o \"%s\" \"%s.opt.bc\"", acfg->aot_opts.llvm_path, acfg->llc_args->str, output_fname, acfg->tmpbasename);
7500 g_free (output_fname);
7502 aot_printf (acfg, "Executing llc: %s\n", command);
7504 if (execute_system (command) != 0)
7511 emit_code (MonoAotCompile *acfg)
7513 int oindex, i, prev_index;
7514 gboolean saved_unbox_info = FALSE;
7517 if (acfg->aot_opts.llvm_only)
7520 #if defined(TARGET_POWERPC64)
7521 sprintf (symbol, ".Lgot_addr");
7522 emit_section_change (acfg, ".text", 0);
7523 emit_alignment (acfg, 8);
7524 emit_label (acfg, symbol);
7525 emit_pointer (acfg, acfg->got_symbol);
7529 * This global symbol is used to compute the address of each method using the
7530 * code_offsets array. It is also used to compute the memory ranges occupied by
7531 * AOT code, so it must be equal to the address of the first emitted method.
7533 emit_section_change (acfg, ".text", 0);
7534 emit_alignment_code (acfg, 8);
7535 emit_info_symbol (acfg, "jit_code_start");
7538 * Emit some padding so the local symbol for the first method doesn't have the
7539 * same address as 'methods'.
7541 #if defined(__default_codegen__)
7542 emit_padding (acfg, 16);
7543 #elif defined(__native_client_codegen__)
7545 const int kPaddingSize = 16;
7546 guint8 pad_buffer[kPaddingSize];
7547 mono_arch_nacl_pad (pad_buffer, kPaddingSize);
7548 emit_bytes (acfg, pad_buffer, kPaddingSize);
7552 for (oindex = 0; oindex < acfg->method_order->len; ++oindex) {
7556 i = GPOINTER_TO_UINT (g_ptr_array_index (acfg->method_order, oindex));
7558 cfg = acfg->cfgs [i];
7563 method = cfg->orig_method;
7565 /* Emit unbox trampoline */
7566 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype && !(acfg->aot_opts.llvm_only && cfg->compile_llvm)) {
7567 sprintf (symbol, "ut_%d", get_method_index (acfg, method));
7569 emit_section_change (acfg, ".text", 0);
7570 #ifdef __native_client_codegen__
7571 emit_alignment (acfg, AOT_FUNC_ALIGNMENT);
7574 if (acfg->thumb_mixed && cfg->compile_llvm) {
7575 emit_set_thumb_mode (acfg);
7576 fprintf (acfg->fp, "\n.thumb_func\n");
7579 emit_label (acfg, symbol);
7581 arch_emit_unbox_trampoline (acfg, cfg, cfg->orig_method, cfg->asm_symbol);
7583 if (acfg->thumb_mixed && cfg->compile_llvm)
7584 emit_set_arm_mode (acfg);
7586 if (!saved_unbox_info) {
7587 char user_symbol [128];
7589 sprintf (user_symbol, "%sunbox_trampoline_p", acfg->user_symbol_prefix);
7591 emit_label (acfg, "ut_end");
7593 unwind_ops = mono_unwind_get_cie_program ();
7594 save_unwind_info (acfg, user_symbol, unwind_ops);
7595 mono_free_unwind_info (unwind_ops);
7597 /* Save the unbox trampoline size */
7598 emit_symbol_diff (acfg, "ut_end", symbol, 0);
7600 saved_unbox_info = TRUE;
7604 if (cfg->compile_llvm)
7605 acfg->stats.llvm_count ++;
7607 emit_method_code (acfg, cfg);
7610 emit_section_change (acfg, ".text", 0);
7611 emit_alignment_code (acfg, 8);
7612 emit_info_symbol (acfg, "jit_code_end");
7614 /* To distinguish it from the next symbol */
7615 emit_padding (acfg, 4);
7618 * Add .no_dead_strip directives for all LLVM methods to prevent the OSX linker
7619 * from optimizing them away, since it doesn't see that code_offsets references them.
7620 * JITted methods don't need this since they are referenced using assembler local
7622 * FIXME: This is why write-symbols doesn't work on OSX ?
7624 if (acfg->llvm && acfg->need_no_dead_strip) {
7625 fprintf (acfg->fp, "\n");
7626 for (i = 0; i < acfg->nmethods; ++i) {
7627 if (acfg->cfgs [i] && acfg->cfgs [i]->compile_llvm)
7628 fprintf (acfg->fp, ".no_dead_strip %s\n", acfg->cfgs [i]->asm_symbol);
7633 * To work around linker issues, we emit a table of branches, and disassemble them at runtime.
7634 * This is PIE code, and the linker can update it if needed.
7636 sprintf (symbol, "method_addresses");
7637 emit_section_change (acfg, ".text", 1);
7638 emit_alignment_code (acfg, 8);
7639 emit_info_symbol (acfg, symbol);
7640 emit_local_symbol (acfg, symbol, "method_addresses_end", TRUE);
7641 emit_unset_mode (acfg);
7642 if (acfg->need_no_dead_strip)
7643 fprintf (acfg->fp, " .no_dead_strip %s\n", symbol);
7645 for (i = 0; i < acfg->nmethods; ++i) {
7646 #ifdef MONO_ARCH_AOT_SUPPORTED
7649 if (acfg->cfgs [i]) {
7650 if (acfg->aot_opts.llvm_only && acfg->cfgs [i]->compile_llvm)
7651 /* Obtained by calling a generated function in the LLVM image */
7652 arch_emit_direct_call (acfg, "method_addresses", FALSE, FALSE, NULL, &call_size);
7654 arch_emit_direct_call (acfg, acfg->cfgs [i]->asm_symbol, FALSE, acfg->thumb_mixed && acfg->cfgs [i]->compile_llvm, NULL, &call_size);
7656 arch_emit_direct_call (acfg, "method_addresses", FALSE, FALSE, NULL, &call_size);
7661 sprintf (symbol, "method_addresses_end");
7662 emit_label (acfg, symbol);
7665 /* Emit a sorted table mapping methods to the index of their unbox trampolines */
7666 sprintf (symbol, "unbox_trampolines");
7667 emit_section_change (acfg, RODATA_SECT, 0);
7668 emit_alignment (acfg, 8);
7669 emit_info_symbol (acfg, symbol);
7672 for (i = 0; i < acfg->nmethods; ++i) {
7677 cfg = acfg->cfgs [i];
7681 method = cfg->orig_method;
7683 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype && !(acfg->aot_opts.llvm_only && cfg->compile_llvm)) {
7684 index = get_method_index (acfg, method);
7686 emit_int32 (acfg, index);
7687 /* Make sure the table is sorted by index */
7688 g_assert (index > prev_index);
7692 sprintf (symbol, "unbox_trampolines_end");
7693 emit_info_symbol (acfg, symbol);
7694 emit_int32 (acfg, 0);
7696 /* Emit a separate table with the trampoline addresses/offsets */
7697 sprintf (symbol, "unbox_trampoline_addresses");
7698 emit_section_change (acfg, ".text", 0);
7699 emit_alignment_code (acfg, 8);
7700 emit_info_symbol (acfg, symbol);
7702 for (i = 0; i < acfg->nmethods; ++i) {
7707 cfg = acfg->cfgs [i];
7711 method = cfg->orig_method;
7713 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype && !(acfg->aot_opts.llvm_only && cfg->compile_llvm)) {
7714 #ifdef MONO_ARCH_AOT_SUPPORTED
7717 index = get_method_index (acfg, method);
7718 sprintf (symbol, "ut_%d", index);
7720 arch_emit_direct_call (acfg, symbol, FALSE, acfg->thumb_mixed && cfg->compile_llvm, NULL, &call_size);
7724 emit_int32 (acfg, 0);
7728 emit_info (MonoAotCompile *acfg)
7733 offsets = g_new0 (gint32, acfg->nmethods);
7735 for (oindex = 0; oindex < acfg->method_order->len; ++oindex) {
7736 i = GPOINTER_TO_UINT (g_ptr_array_index (acfg->method_order, oindex));
7738 if (acfg->cfgs [i]) {
7739 emit_method_info (acfg, acfg->cfgs [i]);
7740 offsets [i] = acfg->cfgs [i]->method_info_offset;
7746 acfg->stats.offsets_size += emit_offset_table (acfg, "method_info_offsets", acfg->nmethods, 10, offsets);
7751 #endif /* #if !defined(DISABLE_AOT) && !defined(DISABLE_JIT) */
7753 #define rot(x,k) (((x)<<(k)) | ((x)>>(32-(k))))
7754 #define mix(a,b,c) { \
7755 a -= c; a ^= rot(c, 4); c += b; \
7756 b -= a; b ^= rot(a, 6); a += c; \
7757 c -= b; c ^= rot(b, 8); b += a; \
7758 a -= c; a ^= rot(c,16); c += b; \
7759 b -= a; b ^= rot(a,19); a += c; \
7760 c -= b; c ^= rot(b, 4); b += a; \
7762 #define final(a,b,c) { \
7763 c ^= b; c -= rot(b,14); \
7764 a ^= c; a -= rot(c,11); \
7765 b ^= a; b -= rot(a,25); \
7766 c ^= b; c -= rot(b,16); \
7767 a ^= c; a -= rot(c,4); \
7768 b ^= a; b -= rot(a,14); \
7769 c ^= b; c -= rot(b,24); \
7773 mono_aot_type_hash (MonoType *t1)
7775 guint hash = t1->type;
7777 hash |= t1->byref << 6; /* do not collide with t1->type values */
7779 case MONO_TYPE_VALUETYPE:
7780 case MONO_TYPE_CLASS:
7781 case MONO_TYPE_SZARRAY:
7782 /* check if the distribution is good enough */
7783 return ((hash << 5) - hash) ^ mono_metadata_str_hash (t1->data.klass->name);
7785 return ((hash << 5) - hash) ^ mono_metadata_type_hash (t1->data.type);
7786 case MONO_TYPE_ARRAY:
7787 return ((hash << 5) - hash) ^ mono_metadata_type_hash (&t1->data.array->eklass->byval_arg);
7788 case MONO_TYPE_GENERICINST:
7789 return ((hash << 5) - hash) ^ 0;
7796 * mono_aot_method_hash:
7798 * Return a hash code for methods which only depends on metadata.
7801 mono_aot_method_hash (MonoMethod *method)
7803 MonoMethodSignature *sig;
7807 guint32 *hashes_start, *hashes;
7809 MonoGenericInst *class_ginst = NULL;
7810 MonoGenericInst *ginst = NULL;
7812 /* Similar to the hash in mono_method_get_imt_slot () */
7814 sig = mono_method_signature (method);
7816 if (method->klass->generic_class)
7817 class_ginst = method->klass->generic_class->context.class_inst;
7818 if (method->is_inflated)
7819 ginst = ((MonoMethodInflated*)method)->context.method_inst;
7821 hashes_count = sig->param_count + 5 + (class_ginst ? class_ginst->type_argc : 0) + (ginst ? ginst->type_argc : 0);
7822 hashes_start = g_malloc0 (hashes_count * sizeof (guint32));
7823 hashes = hashes_start;
7825 /* Some wrappers are assigned to random classes */
7826 if (!method->wrapper_type || method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
7827 klass = method->klass;
7829 klass = mono_defaults.object_class;
7831 if (!method->wrapper_type) {
7834 if (klass->generic_class)
7835 full_name = mono_type_full_name (&klass->generic_class->container_class->byval_arg);
7837 full_name = mono_type_full_name (&klass->byval_arg);
7839 hashes [0] = mono_metadata_str_hash (full_name);
7843 hashes [0] = mono_metadata_str_hash (klass->name);
7844 hashes [1] = mono_metadata_str_hash (klass->name_space);
7846 if (method->wrapper_type == MONO_WRAPPER_STFLD || method->wrapper_type == MONO_WRAPPER_LDFLD || method->wrapper_type == MONO_WRAPPER_LDFLDA)
7847 /* The method name includes a stringified pointer */
7850 hashes [2] = mono_metadata_str_hash (method->name);
7851 hashes [3] = method->wrapper_type;
7852 hashes [4] = mono_aot_type_hash (sig->ret);
7854 for (i = 0; i < sig->param_count; i++) {
7855 hashes [hindex ++] = mono_aot_type_hash (sig->params [i]);
7858 for (i = 0; i < class_ginst->type_argc; ++i)
7859 hashes [hindex ++] = mono_aot_type_hash (class_ginst->type_argv [i]);
7862 for (i = 0; i < ginst->type_argc; ++i)
7863 hashes [hindex ++] = mono_aot_type_hash (ginst->type_argv [i]);
7865 g_assert (hindex == hashes_count);
7867 /* Setup internal state */
7868 a = b = c = 0xdeadbeef + (((guint32)hashes_count)<<2);
7870 /* Handle most of the hashes */
7871 while (hashes_count > 3) {
7880 /* Handle the last 3 hashes (all the case statements fall through) */
7881 switch (hashes_count) {
7882 case 3 : c += hashes [2];
7883 case 2 : b += hashes [1];
7884 case 1 : a += hashes [0];
7886 case 0: /* nothing left to add */
7890 free (hashes_start);
7899 * mono_aot_get_array_helper_from_wrapper;
7901 * Get the helper method in Array called by an array wrapper method.
7904 mono_aot_get_array_helper_from_wrapper (MonoMethod *method)
7908 MonoGenericContext ctx;
7909 MonoType *args [16];
7910 char *mname, *iname, *s, *s2, *helper_name = NULL;
7912 prefix = "System.Collections.Generic";
7913 s = g_strdup_printf ("%s", method->name + strlen (prefix) + 1);
7914 s2 = strstr (s, "`1.");
7920 //printf ("X: %s %s\n", iname, mname);
7922 if (!strcmp (iname, "IList"))
7923 helper_name = g_strdup_printf ("InternalArray__%s", mname);
7925 helper_name = g_strdup_printf ("InternalArray__%s_%s", iname, mname);
7926 m = mono_class_get_method_from_name (mono_defaults.array_class, helper_name, mono_method_signature (method)->param_count);
7928 g_free (helper_name);
7931 if (m->is_generic) {
7933 memset (&ctx, 0, sizeof (ctx));
7934 args [0] = &method->klass->element_class->byval_arg;
7935 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
7936 m = mono_class_inflate_generic_method_checked (m, &ctx, &error);
7937 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
7943 #if !defined(DISABLE_AOT) && !defined(DISABLE_JIT)
7945 typedef struct HashEntry {
7946 guint32 key, value, index;
7947 struct HashEntry *next;
7951 * emit_extra_methods:
7953 * Emit methods which are not in the METHOD table, like wrappers.
7956 emit_extra_methods (MonoAotCompile *acfg)
7958 int i, table_size, buf_size;
7961 guint32 *info_offsets;
7964 HashEntry *entry, *new_entry;
7965 int nmethods, max_chain_length;
7968 info_offsets = g_new0 (guint32, acfg->extra_methods->len);
7970 /* Emit method info */
7972 for (i = 0; i < acfg->extra_methods->len; ++i) {
7973 MonoMethod *method = g_ptr_array_index (acfg->extra_methods, i);
7974 MonoCompile *cfg = g_hash_table_lookup (acfg->method_to_cfg, method);
7980 p = buf = g_malloc (buf_size);
7984 method = cfg->method_to_register;
7986 encode_method_ref (acfg, method, p, &p);
7988 g_assert ((p - buf) < buf_size);
7990 info_offsets [i] = add_to_blob (acfg, buf, p - buf);
7995 * Construct a chained hash table for mapping indexes in extra_method_info to
7998 table_size = g_spaced_primes_closest ((int)(nmethods * 1.5));
7999 table = g_ptr_array_sized_new (table_size);
8000 for (i = 0; i < table_size; ++i)
8001 g_ptr_array_add (table, NULL);
8002 chain_lengths = g_new0 (int, table_size);
8003 max_chain_length = 0;
8004 for (i = 0; i < acfg->extra_methods->len; ++i) {
8005 MonoMethod *method = g_ptr_array_index (acfg->extra_methods, i);
8006 MonoCompile *cfg = g_hash_table_lookup (acfg->method_to_cfg, method);
8012 key = info_offsets [i];
8013 value = get_method_index (acfg, method);
8015 hash = mono_aot_method_hash (method) % table_size;
8016 //printf ("X: %s %x\n", mono_method_full_name (method, 1), mono_aot_method_hash (method));
8018 chain_lengths [hash] ++;
8019 max_chain_length = MAX (max_chain_length, chain_lengths [hash]);
8021 new_entry = mono_mempool_alloc0 (acfg->mempool, sizeof (HashEntry));
8022 new_entry->key = key;
8023 new_entry->value = value;
8025 entry = g_ptr_array_index (table, hash);
8026 if (entry == NULL) {
8027 new_entry->index = hash;
8028 g_ptr_array_index (table, hash) = new_entry;
8031 entry = entry->next;
8033 entry->next = new_entry;
8034 new_entry->index = table->len;
8035 g_ptr_array_add (table, new_entry);
8039 //printf ("MAX: %d\n", max_chain_length);
8041 buf_size = table->len * 12 + 4;
8042 p = buf = g_malloc (buf_size);
8043 encode_int (table_size, p, &p);
8045 for (i = 0; i < table->len; ++i) {
8046 HashEntry *entry = g_ptr_array_index (table, i);
8048 if (entry == NULL) {
8049 encode_int (0, p, &p);
8050 encode_int (0, p, &p);
8051 encode_int (0, p, &p);
8053 //g_assert (entry->key > 0);
8054 encode_int (entry->key, p, &p);
8055 encode_int (entry->value, p, &p);
8057 encode_int (entry->next->index, p, &p);
8059 encode_int (0, p, &p);
8062 g_assert (p - buf <= buf_size);
8064 /* Emit the table */
8066 mono_llvm_emit_aot_data ("extra_method_table", buf, p - buf);
8068 sprintf (symbol, "extra_method_table");
8069 emit_section_change (acfg, RODATA_SECT, 0);
8070 emit_alignment (acfg, 8);
8071 emit_label (acfg, symbol);
8072 emit_bytes (acfg, buf, p - buf);
8076 * Emit a table reverse mapping method indexes to their index in extra_method_info.
8077 * This is used by mono_aot_find_jit_info ().
8079 buf_size = acfg->extra_methods->len * 8 + 4;
8080 p = buf = g_malloc (buf_size);
8081 encode_int (acfg->extra_methods->len, p, &p);
8082 for (i = 0; i < acfg->extra_methods->len; ++i) {
8083 MonoMethod *method = g_ptr_array_index (acfg->extra_methods, i);
8085 encode_int (get_method_index (acfg, method), p, &p);
8086 encode_int (info_offsets [i], p, &p);
8089 mono_llvm_emit_aot_data ("extra_method_info_offsets", buf, p - buf);
8091 sprintf (symbol, "extra_method_info_offsets");
8092 emit_section_change (acfg, RODATA_SECT, 0);
8093 emit_alignment (acfg, 8);
8094 emit_label (acfg, symbol);
8095 emit_bytes (acfg, buf, p - buf);
8100 emit_exception_info (MonoAotCompile *acfg)
8104 SeqPointData sp_data;
8105 gboolean seq_points_to_file = FALSE;
8107 offsets = g_new0 (gint32, acfg->nmethods);
8108 for (i = 0; i < acfg->nmethods; ++i) {
8109 if (acfg->cfgs [i]) {
8110 MonoCompile *cfg = acfg->cfgs [i];
8112 // By design aot-runtime decode_exception_debug_info is not able to load sequence point debug data from a file.
8113 // As it is not possible to load debug data from a file its is also not possible to store it in a file.
8114 gboolean method_seq_points_to_file = acfg->aot_opts.gen_seq_points_file &&
8115 cfg->gen_seq_points && !cfg->gen_sdb_seq_points;
8116 gboolean method_seq_points_to_binary = cfg->gen_seq_points && !method_seq_points_to_file;
8118 emit_exception_debug_info (acfg, cfg, method_seq_points_to_binary);
8119 offsets [i] = cfg->ex_info_offset;
8121 if (method_seq_points_to_file) {
8122 if (!seq_points_to_file) {
8123 mono_seq_point_data_init (&sp_data, acfg->nmethods);
8124 seq_points_to_file = TRUE;
8126 mono_seq_point_data_add (&sp_data, cfg->method->token, cfg->method_index, cfg->seq_point_info);
8133 if (seq_points_to_file) {
8134 char *seq_points_aot_file;
8135 mono_image_get_aot_seq_point_path (acfg->image, &seq_points_aot_file);
8136 mono_seq_point_data_write (&sp_data, seq_points_aot_file);
8137 mono_seq_point_data_free (&sp_data);
8138 g_free (seq_points_aot_file);
8141 acfg->stats.offsets_size += emit_offset_table (acfg, "ex_info_offsets", acfg->nmethods, 10, offsets);
8146 emit_unwind_info (MonoAotCompile *acfg)
8151 if (acfg->aot_opts.llvm_only) {
8152 g_assert (acfg->unwind_ops->len == 0);
8157 * The unwind info contains a lot of duplicates so we emit each unique
8158 * entry once, and only store the offset from the start of the table in the
8162 sprintf (symbol, "unwind_info");
8163 emit_section_change (acfg, RODATA_SECT, 1);
8164 emit_alignment (acfg, 8);
8165 emit_info_symbol (acfg, symbol);
8167 for (i = 0; i < acfg->unwind_ops->len; ++i) {
8168 guint32 index = GPOINTER_TO_UINT (g_ptr_array_index (acfg->unwind_ops, i));
8169 guint8 *unwind_info;
8170 guint32 unwind_info_len;
8174 unwind_info = mono_get_cached_unwind_info (index, &unwind_info_len);
8177 encode_value (unwind_info_len, p, &p);
8178 emit_bytes (acfg, buf, p - buf);
8179 emit_bytes (acfg, unwind_info, unwind_info_len);
8181 acfg->stats.unwind_info_size += (p - buf) + unwind_info_len;
8186 emit_class_info (MonoAotCompile *acfg)
8191 offsets = g_new0 (gint32, acfg->image->tables [MONO_TABLE_TYPEDEF].rows);
8192 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i)
8193 offsets [i] = emit_klass_info (acfg, MONO_TOKEN_TYPE_DEF | (i + 1));
8195 acfg->stats.offsets_size += emit_offset_table (acfg, "class_info_offsets", acfg->image->tables [MONO_TABLE_TYPEDEF].rows, 10, offsets);
8199 typedef struct ClassNameTableEntry {
8200 guint32 token, index;
8201 struct ClassNameTableEntry *next;
8202 } ClassNameTableEntry;
8205 emit_class_name_table (MonoAotCompile *acfg)
8207 int i, table_size, buf_size;
8208 guint32 token, hash;
8214 ClassNameTableEntry *entry, *new_entry;
8217 * Construct a chained hash table for mapping class names to typedef tokens.
8219 table_size = g_spaced_primes_closest ((int)(acfg->image->tables [MONO_TABLE_TYPEDEF].rows * 1.5));
8220 table = g_ptr_array_sized_new (table_size);
8221 for (i = 0; i < table_size; ++i)
8222 g_ptr_array_add (table, NULL);
8223 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
8225 token = MONO_TOKEN_TYPE_DEF | (i + 1);
8226 klass = mono_class_get_checked (acfg->image, token, &error);
8228 mono_error_cleanup (&error);
8231 full_name = mono_type_get_name_full (mono_class_get_type (klass), MONO_TYPE_NAME_FORMAT_FULL_NAME);
8232 hash = mono_metadata_str_hash (full_name) % table_size;
8235 /* FIXME: Allocate from the mempool */
8236 new_entry = g_new0 (ClassNameTableEntry, 1);
8237 new_entry->token = token;
8239 entry = g_ptr_array_index (table, hash);
8240 if (entry == NULL) {
8241 new_entry->index = hash;
8242 g_ptr_array_index (table, hash) = new_entry;
8245 entry = entry->next;
8247 entry->next = new_entry;
8248 new_entry->index = table->len;
8249 g_ptr_array_add (table, new_entry);
8253 /* Emit the table */
8254 buf_size = table->len * 4 + 4;
8255 p = buf = g_malloc0 (buf_size);
8257 /* FIXME: Optimize memory usage */
8258 g_assert (table_size < 65000);
8259 encode_int16 (table_size, p, &p);
8260 g_assert (table->len < 65000);
8261 for (i = 0; i < table->len; ++i) {
8262 ClassNameTableEntry *entry = g_ptr_array_index (table, i);
8264 if (entry == NULL) {
8265 encode_int16 (0, p, &p);
8266 encode_int16 (0, p, &p);
8268 encode_int16 (mono_metadata_token_index (entry->token), p, &p);
8270 encode_int16 (entry->next->index, p, &p);
8272 encode_int16 (0, p, &p);
8275 g_assert (p - buf <= buf_size);
8278 mono_llvm_emit_aot_data ("class_name_table", buf, p - buf);
8280 sprintf (symbol, "class_name_table");
8281 emit_section_change (acfg, RODATA_SECT, 0);
8282 emit_alignment (acfg, 8);
8283 emit_label (acfg, symbol);
8284 emit_bytes (acfg, buf, p - buf);
8289 emit_image_table (MonoAotCompile *acfg)
8296 * The image table is small but referenced in a lot of places.
8297 * So we emit it at once, and reference its elements by an index.
8299 buf_size = acfg->image_table->len * 28 + 4;
8300 for (i = 0; i < acfg->image_table->len; i++) {
8301 MonoImage *image = (MonoImage*)g_ptr_array_index (acfg->image_table, i);
8302 MonoAssemblyName *aname = &image->assembly->aname;
8304 buf_size += strlen (image->assembly_name) + strlen (image->guid) + (aname->culture ? strlen (aname->culture) : 1) + strlen ((char*)aname->public_key_token) + 4;
8307 buf = p = g_malloc0 (buf_size);
8308 encode_int (acfg->image_table->len, p, &p);
8309 for (i = 0; i < acfg->image_table->len; i++) {
8310 MonoImage *image = (MonoImage*)g_ptr_array_index (acfg->image_table, i);
8311 MonoAssemblyName *aname = &image->assembly->aname;
8313 /* FIXME: Support multi-module assemblies */
8314 g_assert (image->assembly->image == image);
8316 encode_string (image->assembly_name, p, &p);
8317 encode_string (image->guid, p, &p);
8318 encode_string (aname->culture ? aname->culture : "", p, &p);
8319 encode_string ((const char*)aname->public_key_token, p, &p);
8321 while (GPOINTER_TO_UINT (p) % 8 != 0)
8324 encode_int (aname->flags, p, &p);
8325 encode_int (aname->major, p, &p);
8326 encode_int (aname->minor, p, &p);
8327 encode_int (aname->build, p, &p);
8328 encode_int (aname->revision, p, &p);
8330 g_assert (p - buf <= buf_size);
8333 mono_llvm_emit_aot_data ("image_table", buf, p - buf);
8335 sprintf (symbol, "image_table");
8336 emit_section_change (acfg, RODATA_SECT, 1);
8337 emit_alignment (acfg, 8);
8338 emit_label (acfg, symbol);
8339 emit_bytes (acfg, buf, p - buf);
8346 emit_got_info (MonoAotCompile *acfg, gboolean llvm)
8348 int i, first_plt_got_patch = 0, buf_size;
8350 guint32 *got_info_offsets;
8351 GotInfo *info = llvm ? &acfg->llvm_got_info : &acfg->got_info;
8353 /* Add the patches needed by the PLT to the GOT */
8355 acfg->plt_got_offset_base = acfg->got_offset;
8356 first_plt_got_patch = info->got_patches->len;
8357 for (i = 1; i < acfg->plt_offset; ++i) {
8358 MonoPltEntry *plt_entry = g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
8360 g_ptr_array_add (info->got_patches, plt_entry->ji);
8362 acfg->stats.got_slot_types [plt_entry->ji->type] ++;
8365 acfg->got_offset += acfg->plt_offset;
8370 * - optimize offsets table.
8371 * - reduce number of exported symbols.
8372 * - emit info for a klass only once.
8373 * - determine when a method uses a GOT slot which is guaranteed to be already
8375 * - clean up and document the code.
8376 * - use String.Empty in class libs.
8379 /* Encode info required to decode shared GOT entries */
8380 buf_size = info->got_patches->len * 128;
8381 p = buf = mono_mempool_alloc (acfg->mempool, buf_size);
8382 got_info_offsets = mono_mempool_alloc (acfg->mempool, info->got_patches->len * sizeof (guint32));
8384 acfg->plt_got_info_offsets = mono_mempool_alloc (acfg->mempool, acfg->plt_offset * sizeof (guint32));
8386 if (acfg->plt_offset)
8387 acfg->plt_got_info_offsets [0] = 0;
8389 for (i = 0; i < info->got_patches->len; ++i) {
8390 MonoJumpInfo *ji = g_ptr_array_index (info->got_patches, i);
8395 encode_value (ji->type, p, &p);
8397 encode_patch (acfg, ji, p, &p);
8398 acfg->stats.got_slot_info_sizes [ji->type] += p - p2;
8399 g_assert (p - buf <= buf_size);
8400 got_info_offsets [i] = add_to_blob (acfg, buf, p - buf);
8402 if (!llvm && i >= first_plt_got_patch)
8403 acfg->plt_got_info_offsets [i - first_plt_got_patch + 1] = got_info_offsets [i];
8404 acfg->stats.got_info_size += p - buf;
8407 /* Emit got_info_offsets table */
8409 /* No need to emit offsets for the got plt entries, the plt embeds them directly */
8410 acfg->stats.offsets_size += emit_offset_table (acfg, llvm ? "llvm_got_info_offsets" : "got_info_offsets", llvm ? acfg->llvm_got_offset : first_plt_got_patch, 10, (gint32*)got_info_offsets);
8414 emit_got (MonoAotCompile *acfg)
8418 if (acfg->aot_opts.llvm_only)
8421 /* Don't make GOT global so accesses to it don't need relocations */
8422 sprintf (symbol, "%s", acfg->got_symbol);
8425 emit_unset_mode (acfg);
8426 fprintf (acfg->fp, ".section __DATA, __bss\n");
8427 emit_alignment (acfg, 8);
8429 emit_info_symbol (acfg, "jit_got");
8430 fprintf (acfg->fp, ".lcomm %s, %d\n", acfg->got_symbol, (int)(acfg->got_offset * sizeof (gpointer)));
8432 emit_section_change (acfg, ".bss", 0);
8433 emit_alignment (acfg, 8);
8434 emit_local_symbol (acfg, symbol, "got_end", FALSE);
8435 emit_label (acfg, symbol);
8437 emit_info_symbol (acfg, "jit_got");
8438 if (acfg->got_offset > 0)
8439 emit_zero_bytes (acfg, (int)(acfg->got_offset * sizeof (gpointer)));
8442 sprintf (symbol, "got_end");
8443 emit_label (acfg, symbol);
8446 typedef struct GlobalsTableEntry {
8447 guint32 value, index;
8448 struct GlobalsTableEntry *next;
8449 } GlobalsTableEntry;
8452 emit_globals (MonoAotCompile *acfg)
8458 GlobalsTableEntry *entry, *new_entry;
8460 if (!acfg->aot_opts.static_link)
8464 * When static linking, we emit a table containing our globals.
8468 * Construct a chained hash table for mapping global names to their index in
8469 * the globals table.
8471 table_size = g_spaced_primes_closest ((int)(acfg->globals->len * 1.5));
8472 table = g_ptr_array_sized_new (table_size);
8473 for (i = 0; i < table_size; ++i)
8474 g_ptr_array_add (table, NULL);
8475 for (i = 0; i < acfg->globals->len; ++i) {
8476 char *name = g_ptr_array_index (acfg->globals, i);
8478 hash = mono_metadata_str_hash (name) % table_size;
8480 /* FIXME: Allocate from the mempool */
8481 new_entry = g_new0 (GlobalsTableEntry, 1);
8482 new_entry->value = i;
8484 entry = g_ptr_array_index (table, hash);
8485 if (entry == NULL) {
8486 new_entry->index = hash;
8487 g_ptr_array_index (table, hash) = new_entry;
8490 entry = entry->next;
8492 entry->next = new_entry;
8493 new_entry->index = table->len;
8494 g_ptr_array_add (table, new_entry);
8498 /* Emit the table */
8499 sprintf (symbol, ".Lglobals_hash");
8500 emit_section_change (acfg, RODATA_SECT, 0);
8501 emit_alignment (acfg, 8);
8502 emit_label (acfg, symbol);
8504 /* FIXME: Optimize memory usage */
8505 g_assert (table_size < 65000);
8506 emit_int16 (acfg, table_size);
8507 for (i = 0; i < table->len; ++i) {
8508 GlobalsTableEntry *entry = g_ptr_array_index (table, i);
8510 if (entry == NULL) {
8511 emit_int16 (acfg, 0);
8512 emit_int16 (acfg, 0);
8514 emit_int16 (acfg, entry->value + 1);
8516 emit_int16 (acfg, entry->next->index);
8518 emit_int16 (acfg, 0);
8522 /* Emit the names */
8523 for (i = 0; i < acfg->globals->len; ++i) {
8524 char *name = g_ptr_array_index (acfg->globals, i);
8526 sprintf (symbol, "name_%d", i);
8527 emit_section_change (acfg, RODATA_SECT, 1);
8529 emit_alignment (acfg, 4);
8531 emit_label (acfg, symbol);
8532 emit_string (acfg, name);
8535 /* Emit the globals table */
8536 sprintf (symbol, "globals");
8537 emit_section_change (acfg, ".data", 0);
8538 /* This is not a global, since it is accessed by the init function */
8539 emit_alignment (acfg, 8);
8540 emit_info_symbol (acfg, symbol);
8542 sprintf (symbol, "%sglobals_hash", acfg->temp_prefix);
8543 emit_pointer (acfg, symbol);
8545 for (i = 0; i < acfg->globals->len; ++i) {
8546 char *name = g_ptr_array_index (acfg->globals, i);
8548 sprintf (symbol, "name_%d", i);
8549 emit_pointer (acfg, symbol);
8551 g_assert (strlen (name) < sizeof (symbol));
8552 sprintf (symbol, "%s", name);
8553 emit_pointer (acfg, symbol);
8555 /* Null terminate the table */
8556 emit_int32 (acfg, 0);
8557 emit_int32 (acfg, 0);
8561 emit_mem_end (MonoAotCompile *acfg)
8565 if (acfg->aot_opts.llvm_only)
8568 sprintf (symbol, "mem_end");
8569 emit_section_change (acfg, ".text", 1);
8570 emit_alignment_code (acfg, 8);
8571 emit_label (acfg, symbol);
8575 init_aot_file_info (MonoAotCompile *acfg, MonoAotFileInfo *info, int gc_name_offset)
8579 info->version = MONO_AOT_FILE_VERSION;
8580 info->plt_got_offset_base = acfg->plt_got_offset_base;
8581 info->got_size = acfg->got_offset * sizeof (gpointer);
8582 info->plt_size = acfg->plt_offset;
8583 info->nmethods = acfg->nmethods;
8584 info->flags = acfg->flags;
8585 info->opts = acfg->opts;
8586 info->simd_opts = acfg->simd_opts;
8587 info->gc_name_index = gc_name_offset;
8588 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
8589 info->num_trampolines [i] = acfg->num_trampolines [i];
8590 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
8591 info->trampoline_got_offset_base [i] = acfg->trampoline_got_offset_base [i];
8592 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
8593 info->trampoline_size [i] = acfg->trampoline_size [i];
8594 info->num_rgctx_fetch_trampolines = acfg->aot_opts.nrgctx_fetch_trampolines;
8596 info->double_align = MONO_ABI_ALIGNOF (double);
8597 info->long_align = MONO_ABI_ALIGNOF (gint64);
8598 info->generic_tramp_num = MONO_TRAMPOLINE_NUM;
8599 info->tramp_page_size = acfg->tramp_page_size;
8600 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
8601 info->tramp_page_code_offsets [i] = acfg->tramp_page_code_offsets [i];
8605 emit_aot_file_info (MonoAotCompile *acfg, MonoAotFileInfo *info)
8609 const char **symbols;
8611 symbols = g_new0 (const char *, MONO_AOT_FILE_INFO_NUM_SYMBOLS);
8613 symbols [sindex ++] = acfg->got_symbol;
8615 symbols [sindex ++] = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, acfg->llvm_got_symbol);
8616 symbols [sindex ++] = acfg->llvm_eh_frame_symbol;
8618 symbols [sindex ++] = NULL;
8619 symbols [sindex ++] = NULL;
8621 /* llvm_get_method */
8622 symbols [sindex ++] = NULL;
8623 /* llvm_get_unbox_tramp */
8624 symbols [sindex ++] = NULL;
8625 if (!acfg->aot_opts.llvm_only) {
8626 symbols [sindex ++] = "jit_code_start";
8627 symbols [sindex ++] = "jit_code_end";
8628 symbols [sindex ++] = "method_addresses";
8630 symbols [sindex ++] = NULL;
8631 symbols [sindex ++] = NULL;
8632 symbols [sindex ++] = NULL;
8634 symbols [sindex ++] = "blob";
8635 symbols [sindex ++] = "class_name_table";
8636 symbols [sindex ++] = "class_info_offsets";
8637 symbols [sindex ++] = "method_info_offsets";
8638 symbols [sindex ++] = "ex_info_offsets";
8639 symbols [sindex ++] = "extra_method_info_offsets";
8640 symbols [sindex ++] = "extra_method_table";
8641 symbols [sindex ++] = "got_info_offsets";
8643 symbols [sindex ++] = "llvm_got_info_offsets";
8645 symbols [sindex ++] = NULL;
8646 symbols [sindex ++] = "mem_end";
8647 symbols [sindex ++] = "image_table";
8648 symbols [sindex ++] = "assembly_guid";
8649 symbols [sindex ++] = "runtime_version";
8650 if (acfg->num_trampoline_got_entries) {
8651 symbols [sindex ++] = "specific_trampolines";
8652 symbols [sindex ++] = "static_rgctx_trampolines";
8653 symbols [sindex ++] = "imt_thunks";
8654 symbols [sindex ++] = "gsharedvt_arg_trampolines";
8656 symbols [sindex ++] = NULL;
8657 symbols [sindex ++] = NULL;
8658 symbols [sindex ++] = NULL;
8659 symbols [sindex ++] = NULL;
8661 if (acfg->aot_opts.static_link) {
8662 symbols [sindex ++] = "globals";
8664 symbols [sindex ++] = NULL;
8666 symbols [sindex ++] = "assembly_name";
8667 symbols [sindex ++] = "plt";
8668 symbols [sindex ++] = "plt_end";
8669 symbols [sindex ++] = "unwind_info";
8670 if (!acfg->aot_opts.llvm_only) {
8671 symbols [sindex ++] = "unbox_trampolines";
8672 symbols [sindex ++] = "unbox_trampolines_end";
8673 symbols [sindex ++] = "unbox_trampoline_addresses";
8675 symbols [sindex ++] = NULL;
8676 symbols [sindex ++] = NULL;
8677 symbols [sindex ++] = NULL;
8680 g_assert (sindex == MONO_AOT_FILE_INFO_NUM_SYMBOLS);
8682 sprintf (symbol, "%smono_aot_file_info", acfg->user_symbol_prefix);
8683 emit_section_change (acfg, ".data", 0);
8684 emit_alignment (acfg, 8);
8685 emit_label (acfg, symbol);
8686 if (!acfg->aot_opts.static_link)
8687 emit_global (acfg, symbol, FALSE);
8689 /* The data emitted here must match MonoAotFileInfo. */
8691 emit_int32 (acfg, info->version);
8692 emit_int32 (acfg, info->dummy);
8695 * We emit pointers to our data structures instead of emitting global symbols which
8696 * point to them, to reduce the number of globals, and because using globals leads to
8697 * various problems (i.e. arm/thumb).
8699 for (i = 0; i < MONO_AOT_FILE_INFO_NUM_SYMBOLS; ++i)
8700 emit_pointer (acfg, symbols [i]);
8702 emit_int32 (acfg, info->plt_got_offset_base);
8703 emit_int32 (acfg, info->got_size);
8704 emit_int32 (acfg, info->plt_size);
8705 emit_int32 (acfg, info->nmethods);
8706 emit_int32 (acfg, info->flags);
8707 emit_int32 (acfg, info->opts);
8708 emit_int32 (acfg, info->simd_opts);
8709 emit_int32 (acfg, info->gc_name_index);
8710 emit_int32 (acfg, info->num_rgctx_fetch_trampolines);
8711 emit_int32 (acfg, info->double_align);
8712 emit_int32 (acfg, info->long_align);
8713 emit_int32 (acfg, info->generic_tramp_num);
8714 emit_int32 (acfg, info->tramp_page_size);
8716 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
8717 emit_int32 (acfg, info->num_trampolines [i]);
8718 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
8719 emit_int32 (acfg, info->trampoline_got_offset_base [i]);
8720 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
8721 emit_int32 (acfg, info->trampoline_size [i]);
8722 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
8723 emit_int32 (acfg, info->tramp_page_code_offsets [i]);
8725 if (acfg->aot_opts.static_link) {
8729 * Emit a global symbol which can be passed by an embedding app to
8730 * mono_aot_register_module (). The symbol points to a pointer to the the file info
8733 sprintf (symbol, "%smono_aot_module_%s_info", acfg->user_symbol_prefix, acfg->image->assembly->aname.name);
8735 /* Get rid of characters which cannot occur in symbols */
8737 for (p = symbol; *p; ++p) {
8738 if (!(isalnum (*p) || *p == '_'))
8741 acfg->static_linking_symbol = g_strdup (symbol);
8742 emit_global_inner (acfg, symbol, FALSE);
8743 emit_alignment (acfg, sizeof (gpointer));
8744 emit_label (acfg, symbol);
8745 emit_pointer_2 (acfg, acfg->user_symbol_prefix, "mono_aot_file_info");
8750 * Emit a structure containing all the information not stored elsewhere.
8753 emit_file_info (MonoAotCompile *acfg)
8756 const char *gc_name;
8758 MonoAotFileInfo *info;
8760 if (acfg->aot_opts.bind_to_runtime_version) {
8761 build_info = mono_get_runtime_build_info ();
8762 emit_string_symbol (acfg, "runtime_version", build_info);
8763 g_free (build_info);
8765 emit_string_symbol (acfg, "runtime_version", "");
8768 emit_string_symbol (acfg, "assembly_guid" , acfg->image->guid);
8770 /* Emit a string holding the assembly name */
8771 emit_string_symbol (acfg, "assembly_name", acfg->image->assembly->aname.name);
8774 * The managed allocators are GC specific, so can't use an AOT image created by one GC
8777 gc_name = mono_gc_get_gc_name ();
8778 gc_name_offset = add_to_blob (acfg, (guint8*)gc_name, strlen (gc_name) + 1);
8780 info = g_new0 (MonoAotFileInfo, 1);
8781 init_aot_file_info (acfg, info, gc_name_offset);
8784 mono_llvm_emit_aot_file_info (info, acfg->has_jitted_code);
8786 emit_aot_file_info (acfg, info);
8790 emit_blob (MonoAotCompile *acfg)
8795 mono_llvm_emit_aot_data ("blob", (guint8*)acfg->blob.data, acfg->blob.index);
8799 sprintf (symbol, "blob");
8800 emit_section_change (acfg, RODATA_SECT, 1);
8801 emit_alignment (acfg, 8);
8802 emit_label (acfg, symbol);
8804 emit_bytes (acfg, (guint8*)acfg->blob.data, acfg->blob.index);
8808 emit_objc_selectors (MonoAotCompile *acfg)
8813 if (!acfg->objc_selectors || acfg->objc_selectors->len == 0)
8818 * cat > foo.m << EOF
8821 * return @selector(print:);
8826 mono_img_writer_emit_unset_mode (acfg->w);
8827 g_assert (acfg->fp);
8828 fprintf (acfg->fp, ".section __DATA,__objc_selrefs,literal_pointers,no_dead_strip\n");
8829 fprintf (acfg->fp, ".align 3\n");
8830 for (i = 0; i < acfg->objc_selectors->len; ++i) {
8831 sprintf (symbol, "L_OBJC_SELECTOR_REFERENCES_%d", i);
8832 emit_label (acfg, symbol);
8833 sprintf (symbol, "L_OBJC_METH_VAR_NAME_%d", i);
8834 emit_pointer (acfg, symbol);
8837 fprintf (acfg->fp, ".section __TEXT,__cstring,cstring_literals\n");
8838 for (i = 0; i < acfg->objc_selectors->len; ++i) {
8839 fprintf (acfg->fp, "L_OBJC_METH_VAR_NAME_%d:\n", i);
8840 fprintf (acfg->fp, ".asciz \"%s\"\n", (char*)g_ptr_array_index (acfg->objc_selectors, i));
8843 fprintf (acfg->fp, ".section __DATA,__objc_imageinfo,regular,no_dead_strip\n");
8844 fprintf (acfg->fp, ".align 3\n");
8845 fprintf (acfg->fp, "L_OBJC_IMAGE_INFO:\n");
8846 fprintf (acfg->fp, ".long 0\n");
8847 fprintf (acfg->fp, ".long 16\n");
8851 emit_dwarf_info (MonoAotCompile *acfg)
8853 #ifdef EMIT_DWARF_INFO
8857 /* DIEs for methods */
8858 for (i = 0; i < acfg->nmethods; ++i) {
8859 MonoCompile *cfg = acfg->cfgs [i];
8864 // FIXME: LLVM doesn't define .Lme_...
8865 if (cfg->compile_llvm)
8868 sprintf (symbol2, "%sme_%x", acfg->temp_prefix, i);
8870 mono_dwarf_writer_emit_method (acfg->dwarf, cfg, cfg->method, cfg->asm_symbol, symbol2, cfg->asm_debug_symbol, 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 ()));
8876 collect_methods (MonoAotCompile *acfg)
8879 MonoImage *image = acfg->image;
8881 /* Collect methods */
8882 for (i = 0; i < image->tables [MONO_TABLE_METHOD].rows; ++i) {
8885 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
8887 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
8890 aot_printerrf (acfg, "Failed to load method 0x%x from '%s' due to %s.\n", token, image->name, mono_error_get_message (&error));
8891 aot_printerrf (acfg, "Run with MONO_LOG_LEVEL=debug for more information.\n");
8892 mono_error_cleanup (&error);
8896 /* Load all methods eagerly to skip the slower lazy loading code */
8897 mono_class_setup_methods (method->klass);
8899 if (mono_aot_mode_is_full (&acfg->aot_opts) && method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
8900 /* Compile the wrapper instead */
8901 /* We do this here instead of add_wrappers () because it is easy to do it here */
8902 MonoMethod *wrapper = mono_marshal_get_native_wrapper (method, TRUE, TRUE);
8906 /* FIXME: Some mscorlib methods don't have debug info */
8908 if (acfg->aot_opts.soft_debug && !method->wrapper_type) {
8909 if (!((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
8910 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
8911 (method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
8912 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL))) {
8913 if (!mono_debug_lookup_method (method)) {
8914 fprintf (stderr, "Method %s has no debug info, probably the .mdb file for the assembly is missing.\n", mono_method_full_name (method, TRUE));
8921 if (method->is_generic || method->klass->generic_container)
8922 /* Compile the ref shared version instead */
8923 method = mini_get_shared_method (method);
8925 /* Since we add the normal methods first, their index will be equal to their zero based token index */
8926 add_method_with_index (acfg, method, i, FALSE);
8927 acfg->method_index ++;
8930 /* gsharedvt methods */
8931 for (mindex = 0; mindex < image->tables [MONO_TABLE_METHOD].rows; ++mindex) {
8934 guint32 token = MONO_TOKEN_METHOD_DEF | (mindex + 1);
8936 if (!(acfg->opts & MONO_OPT_GSHAREDVT))
8939 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
8940 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
8942 if (method->is_generic || method->klass->generic_container) {
8943 MonoMethod *gshared;
8945 gshared = mini_get_shared_method_full (method, TRUE, TRUE);
8946 add_extra_method (acfg, gshared);
8950 add_generic_instances (acfg);
8952 if (mono_aot_mode_is_full (&acfg->aot_opts))
8953 add_wrappers (acfg);
8958 compile_methods (MonoAotCompile *acfg)
8962 if (acfg->aot_opts.nthreads > 0) {
8967 gpointer *user_data;
8968 MonoMethod **methods;
8970 methods_len = acfg->methods->len;
8972 len = acfg->methods->len / acfg->aot_opts.nthreads;
8975 * Partition the list of methods into fragments, and hand it to threads to
8978 threads = g_ptr_array_new ();
8979 /* Make a copy since acfg->methods is modified by compile_method () */
8980 methods = g_new0 (MonoMethod*, methods_len);
8981 //memcpy (methods, g_ptr_array_index (acfg->methods, 0), sizeof (MonoMethod*) * methods_len);
8982 for (i = 0; i < methods_len; ++i)
8983 methods [i] = g_ptr_array_index (acfg->methods, i);
8985 while (i < methods_len) {
8986 frag = g_ptr_array_new ();
8987 for (j = 0; j < len; ++j) {
8988 if (i < methods_len) {
8989 g_ptr_array_add (frag, methods [i]);
8994 user_data = g_new0 (gpointer, 3);
8995 user_data [0] = mono_domain_get ();
8996 user_data [1] = acfg;
8997 user_data [2] = frag;
8999 handle = mono_threads_create_thread ((gpointer)compile_thread_main, user_data, 0, 0, NULL);
9000 g_ptr_array_add (threads, handle);
9004 for (i = 0; i < threads->len; ++i) {
9005 WaitForSingleObjectEx (g_ptr_array_index (threads, i), INFINITE, FALSE);
9011 /* Compile methods added by compile_method () or all methods if nthreads == 0 */
9012 for (i = methods_len; i < acfg->methods->len; ++i) {
9013 /* This can new methods to acfg->methods */
9014 compile_method (acfg, g_ptr_array_index (acfg->methods, i));
9019 compile_asm (MonoAotCompile *acfg)
9021 char *command, *objfile;
9022 char *outfile_name, *tmp_outfile_name, *llvm_ofile;
9023 const char *tool_prefix = acfg->aot_opts.tool_prefix ? acfg->aot_opts.tool_prefix : "";
9024 char *ld_flags = acfg->aot_opts.ld_flags ? acfg->aot_opts.ld_flags : g_strdup("");
9026 #if defined(TARGET_AMD64) && !defined(TARGET_MACH)
9027 #define AS_OPTIONS "--64"
9028 #elif defined(TARGET_POWERPC64)
9029 #define AS_OPTIONS "-a64 -mppc64"
9030 #define LD_OPTIONS "-m elf64ppc"
9031 #elif defined(sparc) && SIZEOF_VOID_P == 8
9032 #define AS_OPTIONS "-xarch=v9"
9033 #elif defined(TARGET_X86) && defined(TARGET_MACH) && !defined(__native_client_codegen__)
9034 #define AS_OPTIONS "-arch i386"
9036 #define AS_OPTIONS ""
9039 #ifdef __native_client_codegen__
9040 #if defined(TARGET_AMD64)
9041 #define AS_NAME "nacl64-as"
9043 #define AS_NAME "nacl-as"
9045 #elif defined(TARGET_OSX)
9046 #define AS_NAME "clang"
9048 #define AS_NAME "as"
9052 #define LD_OPTIONS ""
9056 #define LD_NAME "ld -shared -G"
9057 #elif defined(__ppc__) && defined(TARGET_MACH)
9058 #define LD_NAME "gcc -dynamiclib"
9059 #elif defined(TARGET_AMD64) && defined(TARGET_MACH)
9060 #define LD_NAME "clang --shared"
9061 #elif defined(TARGET_WIN32) && !defined(TARGET_ANDROID)
9062 #define LD_NAME "gcc -shared --dll"
9063 #elif defined(TARGET_X86) && defined(TARGET_MACH) && !defined(__native_client_codegen__)
9064 #define LD_NAME "clang -m32 -dynamiclib"
9065 #elif defined(TARGET_ARM) && !defined(TARGET_ANDROID)
9066 #define LD_NAME "gcc --shared"
9069 if (acfg->aot_opts.asm_only) {
9070 aot_printf (acfg, "Output file: '%s'.\n", acfg->tmpfname);
9071 if (acfg->aot_opts.static_link)
9072 aot_printf (acfg, "Linking symbol: '%s'.\n", acfg->static_linking_symbol);
9074 aot_printf (acfg, "LLVM output file: '%s'.\n", acfg->llvm_sfile);
9078 if (acfg->aot_opts.static_link) {
9079 if (acfg->aot_opts.outfile)
9080 objfile = g_strdup_printf ("%s", acfg->aot_opts.outfile);
9082 objfile = g_strdup_printf ("%s.o", acfg->image->name);
9084 objfile = g_strdup_printf ("%s.o", acfg->tmpfname);
9088 g_string_append (acfg->as_args, "-c -x assembler");
9091 command = g_strdup_printf ("\"%s%s\" %s %s -o %s %s", tool_prefix, AS_NAME, AS_OPTIONS, acfg->as_args ? acfg->as_args->str : "", objfile, acfg->tmpfname);
9092 aot_printf (acfg, "Executing the native assembler: %s\n", command);
9093 if (execute_system (command) != 0) {
9099 if (acfg->llvm && !acfg->llvm_owriter) {
9100 command = g_strdup_printf ("\"%s%s\" %s %s -o %s %s", tool_prefix, AS_NAME, AS_OPTIONS, acfg->as_args ? acfg->as_args->str : "", acfg->llvm_ofile, acfg->llvm_sfile);
9101 aot_printf (acfg, "Executing the native assembler: %s\n", command);
9102 if (execute_system (command) != 0) {
9111 if (acfg->aot_opts.static_link) {
9112 aot_printf (acfg, "Output file: '%s'.\n", objfile);
9113 aot_printf (acfg, "Linking symbol: '%s'.\n", acfg->static_linking_symbol);
9118 if (acfg->aot_opts.outfile)
9119 outfile_name = g_strdup_printf ("%s", acfg->aot_opts.outfile);
9121 outfile_name = g_strdup_printf ("%s%s", acfg->image->name, MONO_SOLIB_EXT);
9123 tmp_outfile_name = g_strdup_printf ("%s.tmp", outfile_name);
9126 llvm_ofile = g_strdup_printf ("\"%s\"", acfg->llvm_ofile);
9128 llvm_ofile = g_strdup ("");
9131 /* replace the ; flags separators with spaces */
9132 g_strdelimit (ld_flags, ";", ' ');
9134 if (acfg->aot_opts.llvm_only)
9135 ld_flags = g_strdup_printf ("%s %s", ld_flags, "-lstdc++");
9138 command = g_strdup_printf ("%s -o \"%s\" %s \"%s.o\" %s", LD_NAME, tmp_outfile_name, llvm_ofile, acfg->tmpfname, ld_flags);
9140 command = g_strdup_printf ("\"%sld\" %s -shared -o %s %s %s.o %s", tool_prefix, LD_OPTIONS, tmp_outfile_name, llvm_ofile,
9141 acfg->tmpfname, ld_flags);
9143 aot_printf (acfg, "Executing the native linker: %s\n", command);
9144 if (execute_system (command) != 0) {
9145 g_free (tmp_outfile_name);
9146 g_free (outfile_name);
9155 /*com = g_strdup_printf ("strip --strip-unneeded %s%s", acfg->image->name, MONO_SOLIB_EXT);
9156 printf ("Stripping the binary: %s\n", com);
9157 execute_system (com);
9160 #if defined(TARGET_ARM) && !defined(TARGET_MACH)
9162 * gas generates 'mapping symbols' each time code and data is mixed, which
9163 * happens a lot in emit_and_reloc_code (), so we need to get rid of them.
9165 command = g_strdup_printf ("\"%sstrip\" --strip-symbol=\\$a --strip-symbol=\\$d %s", tool_prefix, tmp_outfile_name);
9166 aot_printf (acfg, "Stripping the binary: %s\n", command);
9167 if (execute_system (command) != 0) {
9168 g_free (tmp_outfile_name);
9169 g_free (outfile_name);
9176 rename (tmp_outfile_name, outfile_name);
9178 #if defined(TARGET_MACH)
9179 command = g_strdup_printf ("dsymutil \"%s\"", outfile_name);
9180 aot_printf (acfg, "Executing dsymutil: %s\n", command);
9181 if (execute_system (command) != 0) {
9186 if (!acfg->aot_opts.save_temps)
9189 g_free (tmp_outfile_name);
9190 g_free (outfile_name);
9193 if (acfg->aot_opts.save_temps)
9194 aot_printf (acfg, "Retained input file.\n");
9196 unlink (acfg->tmpfname);
9201 static void init_got_info (GotInfo *info)
9205 info->patch_to_got_offset = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
9206 info->patch_to_got_offset_by_type = g_new0 (GHashTable*, MONO_PATCH_INFO_NUM);
9207 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i)
9208 info->patch_to_got_offset_by_type [i] = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
9209 info->got_patches = g_ptr_array_new ();
9212 static MonoAotCompile*
9213 acfg_create (MonoAssembly *ass, guint32 opts)
9215 MonoImage *image = ass->image;
9216 MonoAotCompile *acfg;
9218 acfg = g_new0 (MonoAotCompile, 1);
9219 acfg->methods = g_ptr_array_new ();
9220 acfg->method_indexes = g_hash_table_new (NULL, NULL);
9221 acfg->method_depth = g_hash_table_new (NULL, NULL);
9222 acfg->plt_offset_to_entry = g_hash_table_new (NULL, NULL);
9223 acfg->patch_to_plt_entry = g_new0 (GHashTable*, MONO_PATCH_INFO_NUM);
9224 acfg->method_to_cfg = g_hash_table_new (NULL, NULL);
9225 acfg->token_info_hash = g_hash_table_new_full (NULL, NULL, NULL, NULL);
9226 acfg->method_to_pinvoke_import = g_hash_table_new_full (NULL, NULL, NULL, g_free);
9227 acfg->image_hash = g_hash_table_new (NULL, NULL);
9228 acfg->image_table = g_ptr_array_new ();
9229 acfg->globals = g_ptr_array_new ();
9230 acfg->image = image;
9232 /* TODO: Write out set of SIMD instructions used, rather than just those available */
9233 acfg->simd_opts = mono_arch_cpu_enumerate_simd_versions ();
9234 acfg->mempool = mono_mempool_new ();
9235 acfg->extra_methods = g_ptr_array_new ();
9236 acfg->unwind_info_offsets = g_hash_table_new (NULL, NULL);
9237 acfg->unwind_ops = g_ptr_array_new ();
9238 acfg->method_label_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
9239 acfg->method_order = g_ptr_array_new ();
9240 acfg->export_names = g_hash_table_new (NULL, NULL);
9241 acfg->klass_blob_hash = g_hash_table_new (NULL, NULL);
9242 acfg->method_blob_hash = g_hash_table_new (NULL, NULL);
9243 acfg->plt_entry_debug_sym_cache = g_hash_table_new (g_str_hash, g_str_equal);
9244 mono_mutex_init_recursive (&acfg->mutex);
9246 init_got_info (&acfg->got_info);
9247 init_got_info (&acfg->llvm_got_info);
9253 got_info_free (GotInfo *info)
9257 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i)
9258 g_hash_table_destroy (info->patch_to_got_offset_by_type [i]);
9259 g_free (info->patch_to_got_offset_by_type);
9260 g_hash_table_destroy (info->patch_to_got_offset);
9261 g_ptr_array_free (info->got_patches, TRUE);
9265 acfg_free (MonoAotCompile *acfg)
9269 mono_img_writer_destroy (acfg->w);
9270 for (i = 0; i < acfg->nmethods; ++i)
9272 g_free (acfg->cfgs [i]);
9273 g_free (acfg->cfgs);
9274 g_free (acfg->static_linking_symbol);
9275 g_free (acfg->got_symbol);
9276 g_free (acfg->plt_symbol);
9277 g_ptr_array_free (acfg->methods, TRUE);
9278 g_ptr_array_free (acfg->image_table, TRUE);
9279 g_ptr_array_free (acfg->globals, TRUE);
9280 g_ptr_array_free (acfg->unwind_ops, TRUE);
9281 g_hash_table_destroy (acfg->method_indexes);
9282 g_hash_table_destroy (acfg->method_depth);
9283 g_hash_table_destroy (acfg->plt_offset_to_entry);
9284 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i) {
9285 if (acfg->patch_to_plt_entry [i])
9286 g_hash_table_destroy (acfg->patch_to_plt_entry [i]);
9288 g_free (acfg->patch_to_plt_entry);
9289 g_hash_table_destroy (acfg->method_to_cfg);
9290 g_hash_table_destroy (acfg->token_info_hash);
9291 g_hash_table_destroy (acfg->method_to_pinvoke_import);
9292 g_hash_table_destroy (acfg->image_hash);
9293 g_hash_table_destroy (acfg->unwind_info_offsets);
9294 g_hash_table_destroy (acfg->method_label_hash);
9295 g_hash_table_destroy (acfg->export_names);
9296 g_hash_table_destroy (acfg->plt_entry_debug_sym_cache);
9297 g_hash_table_destroy (acfg->klass_blob_hash);
9298 g_hash_table_destroy (acfg->method_blob_hash);
9299 got_info_free (&acfg->got_info);
9300 got_info_free (&acfg->llvm_got_info);
9301 mono_mempool_destroy (acfg->mempool);
9305 #define WRAPPER(e,n) n,
9306 static const char* const
9307 wrapper_type_names [MONO_WRAPPER_NUM + 1] = {
9308 #include "mono/metadata/wrapper-types.h"
9312 static G_GNUC_UNUSED const char*
9313 get_wrapper_type_name (int type)
9315 return wrapper_type_names [type];
9321 static void aot_dump (MonoAotCompile *acfg)
9327 mono_json_writer_init (&writer);
9329 mono_json_writer_object_begin(&writer);
9332 mono_json_writer_indent (&writer);
9333 mono_json_writer_object_key(&writer, "methods");
9334 mono_json_writer_array_begin (&writer);
9337 for (i = 0; i < acfg->nmethods; ++i) {
9342 cfg = acfg->cfgs [i];
9346 method = cfg->orig_method;
9348 mono_json_writer_indent (&writer);
9349 mono_json_writer_object_begin(&writer);
9351 mono_json_writer_indent (&writer);
9352 mono_json_writer_object_key(&writer, "name");
9353 mono_json_writer_printf (&writer, "\"%s\",\n", method->name);
9355 mono_json_writer_indent (&writer);
9356 mono_json_writer_object_key(&writer, "signature");
9357 mono_json_writer_printf (&writer, "\"%s\",\n", mono_method_full_name (method,
9358 /*signature=*/TRUE));
9360 mono_json_writer_indent (&writer);
9361 mono_json_writer_object_key(&writer, "code_size");
9362 mono_json_writer_printf (&writer, "\"%d\",\n", cfg->code_size);
9364 klass = method->klass;
9366 mono_json_writer_indent (&writer);
9367 mono_json_writer_object_key(&writer, "class");
9368 mono_json_writer_printf (&writer, "\"%s\",\n", klass->name);
9370 mono_json_writer_indent (&writer);
9371 mono_json_writer_object_key(&writer, "namespace");
9372 mono_json_writer_printf (&writer, "\"%s\",\n", klass->name_space);
9374 mono_json_writer_indent (&writer);
9375 mono_json_writer_object_key(&writer, "wrapper_type");
9376 mono_json_writer_printf (&writer, "\"%s\",\n", get_wrapper_type_name(method->wrapper_type));
9378 mono_json_writer_indent_pop (&writer);
9379 mono_json_writer_indent (&writer);
9380 mono_json_writer_object_end (&writer);
9381 mono_json_writer_printf (&writer, ",\n");
9384 mono_json_writer_indent_pop (&writer);
9385 mono_json_writer_indent (&writer);
9386 mono_json_writer_array_end (&writer);
9387 mono_json_writer_printf (&writer, ",\n");
9391 mono_json_writer_indent_push (&writer);
9392 mono_json_writer_indent (&writer);
9393 mono_json_writer_object_key(&writer, "plt");
9394 mono_json_writer_array_begin (&writer);
9396 for (i = 0; i < acfg->plt_offset; ++i) {
9397 MonoPltEntry *plt_entry = NULL;
9402 * The first plt entry is unused.
9406 plt_entry = g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
9409 mono_json_writer_indent (&writer);
9410 mono_json_writer_printf (&writer, "{ ");
9411 mono_json_writer_object_key(&writer, "symbol");
9412 mono_json_writer_printf (&writer, "\"%s\" },\n", plt_entry->symbol);
9415 mono_json_writer_indent_pop (&writer);
9416 mono_json_writer_indent (&writer);
9417 mono_json_writer_array_end (&writer);
9418 mono_json_writer_printf (&writer, ",\n");
9423 mono_json_writer_indent_push (&writer);
9424 mono_json_writer_indent (&writer);
9425 mono_json_writer_object_key(&writer, "got");
9426 mono_json_writer_array_begin (&writer);
9428 mono_json_writer_indent_push (&writer);
9429 for (i = 0; i < acfg->got_info.got_patches->len; ++i) {
9430 MonoJumpInfo *ji = g_ptr_array_index (acfg->got_info.got_patches, i);
9432 mono_json_writer_indent (&writer);
9433 mono_json_writer_printf (&writer, "{ ");
9434 mono_json_writer_object_key(&writer, "patch_name");
9435 mono_json_writer_printf (&writer, "\"%s\" },\n", get_patch_name (ji->type));
9438 mono_json_writer_indent_pop (&writer);
9439 mono_json_writer_indent (&writer);
9440 mono_json_writer_array_end (&writer);
9441 mono_json_writer_printf (&writer, ",\n");
9444 mono_json_writer_indent_pop (&writer);
9445 mono_json_writer_indent (&writer);
9446 mono_json_writer_object_end (&writer);
9448 dumpname = g_strdup_printf ("%s.json", g_path_get_basename (acfg->image->name));
9449 dumpfile = fopen (dumpname, "w+");
9452 fprintf (dumpfile, "%s", writer.text->str);
9455 mono_json_writer_destroy (&writer);
9459 mono_compile_assembly (MonoAssembly *ass, guint32 opts, const char *aot_options)
9461 MonoImage *image = ass->image;
9464 MonoAotCompile *acfg;
9465 char *outfile_name, *tmp_outfile_name, *p;
9466 char llvm_stats_msg [256];
9470 acfg = acfg_create (ass, opts);
9472 memset (&acfg->aot_opts, 0, sizeof (acfg->aot_opts));
9473 acfg->aot_opts.write_symbols = TRUE;
9474 acfg->aot_opts.ntrampolines = 1024;
9475 acfg->aot_opts.nrgctx_trampolines = 1024;
9476 acfg->aot_opts.nimt_trampolines = 128;
9477 acfg->aot_opts.nrgctx_fetch_trampolines = 128;
9478 acfg->aot_opts.ngsharedvt_arg_trampolines = 128;
9479 acfg->aot_opts.llvm_path = g_strdup ("");
9480 acfg->aot_opts.temp_path = g_strdup ("");
9482 acfg->aot_opts.use_trampolines_page = TRUE;
9485 mono_aot_parse_options (aot_options, &acfg->aot_opts);
9487 if (acfg->aot_opts.logfile) {
9488 acfg->logfile = fopen (acfg->aot_opts.logfile, "a+");
9491 //acfg->aot_opts.print_skipped_methods = TRUE;
9493 #if !defined(MONO_ARCH_GSHAREDVT_SUPPORTED) || !defined(ENABLE_GSHAREDVT)
9494 if (opts & MONO_OPT_GSHAREDVT) {
9495 aot_printerrf (acfg, "-O=gsharedvt not supported on this platform.\n");
9500 aot_printf (acfg, "Mono Ahead of Time compiler - compiling assembly %s\n", image->name);
9502 #ifndef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
9503 if (mono_aot_mode_is_full (&acfg->aot_opts)) {
9504 aot_printerrf (acfg, "--aot=full is not supported on this platform.\n");
9509 if (acfg->aot_opts.direct_pinvoke && !acfg->aot_opts.static_link) {
9510 aot_printerrf (acfg, "The 'direct-pinvoke' AOT option also requires the 'static' AOT option.\n");
9514 if (acfg->aot_opts.static_link)
9515 acfg->aot_opts.asm_writer = TRUE;
9517 if (acfg->aot_opts.soft_debug) {
9518 MonoDebugOptions *opt = mini_get_debug_options ();
9520 opt->mdb_optimizations = TRUE;
9521 opt->gen_sdb_seq_points = TRUE;
9523 if (!mono_debug_enabled ()) {
9524 aot_printerrf (acfg, "The soft-debug AOT option requires the --debug option.\n");
9527 acfg->flags |= MONO_AOT_FILE_FLAG_DEBUG;
9530 if (mono_use_llvm || acfg->aot_opts.llvm) {
9532 acfg->aot_opts.asm_writer = TRUE;
9533 acfg->flags |= MONO_AOT_FILE_FLAG_WITH_LLVM;
9535 if (acfg->aot_opts.soft_debug) {
9536 aot_printerrf (acfg, "The 'soft-debug' option is not supported when compiling with LLVM.\n");
9542 if (acfg->aot_opts.asm_only && !acfg->aot_opts.llvm_outfile) {
9543 aot_printerrf (acfg, "Compiling with LLVM and the asm-only option requires the llvm-outputfile= option.");
9548 * Emit all LLVM code into a separate assembly/object file and link with it
9551 if (!acfg->aot_opts.asm_only) {
9552 acfg->llvm_owriter = TRUE;
9553 } else if (acfg->aot_opts.llvm_outfile) {
9554 int len = strlen (acfg->aot_opts.llvm_outfile);
9556 if (len >= 2 && acfg->aot_opts.llvm_outfile [len - 2] == '.' && acfg->aot_opts.llvm_outfile [len - 1] == 'o')
9557 acfg->llvm_owriter = TRUE;
9561 if (mono_aot_mode_is_full (&acfg->aot_opts))
9562 acfg->flags |= MONO_AOT_FILE_FLAG_FULL_AOT;
9564 if (acfg->aot_opts.instances_logfile_path) {
9565 acfg->instances_logfile = fopen (acfg->aot_opts.instances_logfile_path, "w");
9566 if (!acfg->instances_logfile) {
9567 aot_printerrf (acfg, "Unable to create logfile: '%s'.\n", acfg->aot_opts.instances_logfile_path);
9572 load_profile_files (acfg);
9574 acfg->num_trampolines [MONO_AOT_TRAMP_SPECIFIC] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.ntrampolines : 0;
9575 #ifdef MONO_ARCH_GSHARED_SUPPORTED
9576 acfg->num_trampolines [MONO_AOT_TRAMP_STATIC_RGCTX] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.nrgctx_trampolines : 0;
9578 acfg->num_trampolines [MONO_AOT_TRAMP_IMT_THUNK] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.nimt_trampolines : 0;
9579 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
9580 if (acfg->opts & MONO_OPT_GSHAREDVT)
9581 acfg->num_trampolines [MONO_AOT_TRAMP_GSHAREDVT_ARG] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.ngsharedvt_arg_trampolines : 0;
9584 acfg->temp_prefix = mono_img_writer_get_temp_label_prefix (NULL);
9588 if (acfg->llvm && acfg->thumb_mixed)
9589 acfg->flags |= MONO_AOT_FILE_FLAG_LLVM_THUMB;
9590 if (acfg->aot_opts.llvm_only)
9591 acfg->flags |= MONO_AOT_FILE_FLAG_LLVM_ONLY;
9593 acfg->assembly_name_sym = g_strdup (acfg->image->assembly->aname.name);
9594 /* Get rid of characters which cannot occur in symbols */
9595 for (p = acfg->assembly_name_sym; *p; ++p) {
9596 if (!(isalnum (*p) || *p == '_'))
9600 acfg->global_prefix = g_strdup_printf ("mono_aot_%s", acfg->assembly_name_sym);
9601 acfg->plt_symbol = g_strdup_printf ("%s_plt", acfg->global_prefix);
9602 acfg->got_symbol = g_strdup_printf ("%s_got", acfg->global_prefix);
9604 acfg->llvm_got_symbol = g_strdup_printf ("%s_llvm_got", acfg->global_prefix);
9605 acfg->llvm_eh_frame_symbol = g_strdup_printf ("%s_eh_frame", acfg->global_prefix);
9608 acfg->method_index = 1;
9610 if (mono_aot_mode_is_full (&acfg->aot_opts))
9611 mono_set_partial_sharing_supported (TRUE);
9613 res = collect_methods (acfg);
9617 acfg->cfgs_size = acfg->methods->len + 32;
9618 acfg->cfgs = g_new0 (MonoCompile*, acfg->cfgs_size);
9620 /* PLT offset 0 is reserved for the PLT trampoline */
9621 acfg->plt_offset = 1;
9626 mono_llvm_create_aot_module (acfg->image->assembly, acfg->global_prefix, TRUE, acfg->aot_opts.static_link, acfg->aot_opts.llvm_only);
9634 ji = mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
9635 ji->type = MONO_PATCH_INFO_IMAGE;
9636 ji->data.image = acfg->image;
9637 get_got_offset (acfg, FALSE, ji);
9638 get_got_offset (acfg, TRUE, ji);
9641 ji = mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
9642 ji->type = MONO_PATCH_INFO_MSCORLIB_GOT_ADDR;
9643 get_got_offset (acfg, FALSE, ji);
9644 get_got_offset (acfg, TRUE, ji);
9647 ji = mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
9648 ji->type = MONO_PATCH_INFO_GC_CARD_TABLE_ADDR;
9649 get_got_offset (acfg, FALSE, ji);
9650 get_got_offset (acfg, TRUE, ji);
9653 ji = mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
9654 ji->type = MONO_PATCH_INFO_GC_NURSERY_START;
9655 get_got_offset (acfg, FALSE, ji);
9656 get_got_offset (acfg, TRUE, ji);
9659 ji = mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
9660 ji->type = MONO_PATCH_INFO_JIT_TLS_ID;
9661 get_got_offset (acfg, FALSE, ji);
9662 get_got_offset (acfg, TRUE, ji);
9665 ji = mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
9666 ji->type = MONO_PATCH_INFO_AOT_MODULE;
9667 get_got_offset (acfg, FALSE, ji);
9668 get_got_offset (acfg, TRUE, ji);
9671 ji = mono_mempool_alloc0 (acfg->mempool, sizeof (MonoAotCompile));
9672 ji->type = MONO_PATCH_INFO_INTERNAL_METHOD;
9673 ji->data.name = "mono_aot_init_llvm_method";
9674 get_got_offset (acfg, FALSE, ji);
9675 get_got_offset (acfg, TRUE, ji);
9678 ji = mono_mempool_alloc0 (acfg->mempool, sizeof (MonoAotCompile));
9679 ji->type = MONO_PATCH_INFO_INTERNAL_METHOD;
9680 ji->data.name = "mono_aot_init_gshared_method_this";
9681 get_got_offset (acfg, FALSE, ji);
9682 get_got_offset (acfg, TRUE, ji);
9685 ji = mono_mempool_alloc0 (acfg->mempool, sizeof (MonoAotCompile));
9686 ji->type = MONO_PATCH_INFO_INTERNAL_METHOD;
9687 ji->data.name = "mono_aot_init_gshared_method_rgctx";
9688 get_got_offset (acfg, FALSE, ji);
9689 get_got_offset (acfg, TRUE, ji);
9694 compile_methods (acfg);
9698 acfg->stats.jit_time = TV_ELAPSED (atv, btv);
9704 if (acfg->aot_opts.asm_only) {
9705 if (acfg->aot_opts.outfile) {
9706 acfg->tmpfname = g_strdup_printf ("%s", acfg->aot_opts.outfile);
9707 acfg->tmpbasename = g_strdup (acfg->tmpfname);
9709 acfg->tmpbasename = g_strdup_printf ("%s", acfg->image->name);
9710 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->tmpbasename);
9712 g_assert (acfg->aot_opts.llvm_outfile);
9713 acfg->llvm_sfile = g_strdup (acfg->aot_opts.llvm_outfile);
9714 if (acfg->llvm_owriter)
9715 acfg->llvm_ofile = g_strdup (acfg->aot_opts.llvm_outfile);
9717 acfg->llvm_sfile = g_strdup (acfg->aot_opts.llvm_outfile);
9719 acfg->tmpbasename = (strcmp (acfg->aot_opts.temp_path, "") == 0) ?
9720 g_strdup_printf ("%s", "temp") :
9721 g_build_filename (acfg->aot_opts.temp_path, "temp", NULL);
9723 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->tmpbasename);
9724 acfg->llvm_sfile = g_strdup_printf ("%s-llvm.s", acfg->tmpbasename);
9725 acfg->llvm_ofile = g_strdup_printf ("%s-llvm.o", acfg->tmpbasename);
9730 if (acfg->aot_opts.asm_only) {
9731 if (acfg->aot_opts.outfile)
9732 acfg->tmpfname = g_strdup_printf ("%s", acfg->aot_opts.outfile);
9734 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->image->name);
9735 acfg->fp = fopen (acfg->tmpfname, "w+");
9737 int i = g_file_open_tmp ("mono_aot_XXXXXX", &acfg->tmpfname, NULL);
9738 acfg->fp = fdopen (i, "w+");
9740 if (acfg->fp == 0) {
9741 aot_printerrf (acfg, "Unable to open file '%s': %s\n", acfg->tmpfname, strerror (errno));
9744 acfg->w = mono_img_writer_create (acfg->fp, FALSE);
9746 tmp_outfile_name = NULL;
9747 outfile_name = NULL;
9749 /* Compute symbols for methods */
9750 for (i = 0; i < acfg->nmethods; ++i) {
9751 if (acfg->cfgs [i]) {
9752 MonoCompile *cfg = acfg->cfgs [i];
9753 int method_index = get_method_index (acfg, cfg->orig_method);
9755 if (COMPILE_LLVM (cfg))
9756 cfg->asm_symbol = g_strdup_printf ("%s%s", acfg->llvm_label_prefix, cfg->llvm_method_name);
9757 else if (acfg->global_symbols || acfg->llvm)
9758 cfg->asm_symbol = get_debug_sym (cfg->orig_method, "", acfg->method_label_hash);
9760 cfg->asm_symbol = g_strdup_printf ("%s%sm_%x", acfg->temp_prefix, acfg->llvm_label_prefix, method_index);
9761 cfg->asm_debug_symbol = cfg->asm_symbol;
9765 if (acfg->aot_opts.dwarf_debug && acfg->aot_opts.asm_only && acfg->aot_opts.gnu_asm) {
9767 * CLANG supports GAS .file/.loc directives, so emit line number information this way
9768 * FIXME: CLANG only emits line number info for .loc directives followed by assembly, not
9771 //acfg->gas_line_numbers = TRUE;
9774 if ((!acfg->aot_opts.nodebug || acfg->aot_opts.dwarf_debug) && acfg->has_jitted_code) {
9775 if (acfg->aot_opts.dwarf_debug && !mono_debug_enabled ()) {
9776 aot_printerrf (acfg, "The dwarf AOT option requires the --debug option.\n");
9779 acfg->dwarf = mono_dwarf_writer_create (acfg->w, NULL, 0, FALSE, !acfg->gas_line_numbers);
9782 mono_img_writer_emit_start (acfg->w);
9785 mono_dwarf_writer_emit_base_info (acfg->dwarf, g_path_get_basename (acfg->image->name), mono_unwind_get_cie_program ());
9791 emit_extra_methods (acfg);
9793 emit_trampolines (acfg);
9795 emit_class_name_table (acfg);
9797 emit_got_info (acfg, FALSE);
9799 emit_got_info (acfg, TRUE);
9801 emit_exception_info (acfg);
9803 emit_unwind_info (acfg);
9805 emit_class_info (acfg);
9809 emit_image_table (acfg);
9813 emit_file_info (acfg);
9817 emit_objc_selectors (acfg);
9819 emit_globals (acfg);
9822 emit_dwarf_info (acfg);
9823 mono_dwarf_writer_close (acfg->dwarf);
9826 emit_mem_end (acfg);
9828 if (acfg->need_pt_gnu_stack) {
9829 /* This is required so the .so doesn't have an executable stack */
9830 /* The bin writer already emits this */
9831 fprintf (acfg->fp, "\n.section .note.GNU-stack,\"\",@progbits\n");
9838 res = emit_llvm_file (acfg);
9846 acfg->stats.gen_time = TV_ELAPSED (atv, btv);
9849 sprintf (llvm_stats_msg, ", LLVM: %d (%d%%)", acfg->stats.llvm_count, acfg->stats.mcount ? (acfg->stats.llvm_count * 100) / acfg->stats.mcount : 100);
9851 strcpy (llvm_stats_msg, "");
9853 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;
9855 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",
9856 (int)acfg->stats.code_size, (int)(acfg->stats.code_size * 100 / all_sizes),
9857 (int)acfg->stats.info_size, (int)(acfg->stats.info_size * 100 / all_sizes),
9858 (int)acfg->stats.ex_info_size, (int)(acfg->stats.ex_info_size * 100 / all_sizes),
9859 (int)acfg->stats.unwind_info_size, (int)(acfg->stats.unwind_info_size * 100 / all_sizes),
9860 (int)acfg->stats.class_info_size, (int)(acfg->stats.class_info_size * 100 / all_sizes),
9861 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,
9862 (int)acfg->stats.got_info_size, (int)(acfg->stats.got_info_size * 100 / all_sizes),
9863 (int)acfg->stats.offsets_size, (int)(acfg->stats.offsets_size * 100 / all_sizes),
9864 (int)(acfg->got_offset * sizeof (gpointer)));
9865 aot_printf (acfg, "Compiled: %d/%d (%d%%)%s, No GOT slots: %d (%d%%), Direct calls: %d (%d%%)\n",
9866 acfg->stats.ccount, acfg->stats.mcount, acfg->stats.mcount ? (acfg->stats.ccount * 100) / acfg->stats.mcount : 100,
9868 acfg->stats.methods_without_got_slots, acfg->stats.mcount ? (acfg->stats.methods_without_got_slots * 100) / acfg->stats.mcount : 100,
9869 acfg->stats.direct_calls, acfg->stats.all_calls ? (acfg->stats.direct_calls * 100) / acfg->stats.all_calls : 100);
9870 if (acfg->stats.genericcount)
9871 aot_printf (acfg, "%d methods are generic (%d%%)\n", acfg->stats.genericcount, acfg->stats.mcount ? (acfg->stats.genericcount * 100) / acfg->stats.mcount : 100);
9872 if (acfg->stats.abscount)
9873 aot_printf (acfg, "%d methods contain absolute addresses (%d%%)\n", acfg->stats.abscount, acfg->stats.mcount ? (acfg->stats.abscount * 100) / acfg->stats.mcount : 100);
9874 if (acfg->stats.lmfcount)
9875 aot_printf (acfg, "%d methods contain lmf pointers (%d%%)\n", acfg->stats.lmfcount, acfg->stats.mcount ? (acfg->stats.lmfcount * 100) / acfg->stats.mcount : 100);
9876 if (acfg->stats.ocount)
9877 aot_printf (acfg, "%d methods have other problems (%d%%)\n", acfg->stats.ocount, acfg->stats.mcount ? (acfg->stats.ocount * 100) / acfg->stats.mcount : 100);
9880 res = mono_img_writer_emit_writeout (acfg->w);
9885 res = compile_asm (acfg);
9891 acfg->stats.link_time = TV_ELAPSED (atv, btv);
9893 if (acfg->aot_opts.stats) {
9896 aot_printf (acfg, "GOT slot distribution:\n");
9897 for (i = 0; i < MONO_PATCH_INFO_NONE; ++i)
9898 if (acfg->stats.got_slot_types [i])
9899 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]);
9902 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);
9904 if (acfg->aot_opts.dump_json)
9917 mono_aot_readonly_field_override (MonoClassField *field)
9923 mono_compile_assembly (MonoAssembly *ass, guint32 opts, const char *aot_options)