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, nshared_got_entries;
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) {
2521 MonoGSharedGenericParam *gpar = (MonoGSharedGenericParam*)par;
2522 encode_type (acfg, par->gshared_constraint, p, &p);
2523 encode_klass_ref (acfg, mono_class_from_generic_parameter (gpar->parent, NULL, klass->byval_arg.type == MONO_TYPE_MVAR), p, &p);
2526 } else if (klass->byval_arg.type == MONO_TYPE_PTR) {
2527 encode_value (MONO_AOT_TYPEREF_PTR, p, &p);
2528 encode_type (acfg, &klass->byval_arg, p, &p);
2531 g_assert (klass->rank > 0);
2532 encode_value (MONO_AOT_TYPEREF_ARRAY, p, &p);
2533 encode_value (klass->rank, p, &p);
2534 encode_klass_ref (acfg, klass->element_class, p, &p);
2542 * Encode a reference to KLASS. We use our home-grown encoding instead of the
2543 * standard metadata encoding.
2546 encode_klass_ref (MonoAotCompile *acfg, MonoClass *klass, guint8 *buf, guint8 **endbuf)
2548 gboolean shared = FALSE;
2551 * The encoding of generic instances is large so emit them only once.
2553 if (klass->generic_class) {
2555 g_assert (klass->type_token);
2557 /* Find a typespec for a class if possible */
2558 token = find_typespec_for_class (acfg, klass);
2561 } else if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR)) {
2566 guint offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->klass_blob_hash, klass));
2570 buf2 = g_malloc (1024);
2573 encode_klass_ref_inner (acfg, klass, p, &p);
2574 g_assert (p - buf2 < 1024);
2576 offset = add_to_blob (acfg, buf2, p - buf2);
2579 g_hash_table_insert (acfg->klass_blob_hash, klass, GUINT_TO_POINTER (offset + 1));
2585 encode_value (MONO_AOT_TYPEREF_BLOB_INDEX, p, &p);
2586 encode_value (offset, p, &p);
2591 encode_klass_ref_inner (acfg, klass, buf, endbuf);
2595 encode_field_info (MonoAotCompile *cfg, MonoClassField *field, guint8 *buf, guint8 **endbuf)
2597 guint32 token = mono_get_field_token (field);
2600 encode_klass_ref (cfg, field->parent, p, &p);
2601 g_assert (mono_metadata_token_code (token) == MONO_TOKEN_FIELD_DEF);
2602 encode_value (token - MONO_TOKEN_FIELD_DEF, p, &p);
2607 encode_ginst (MonoAotCompile *acfg, MonoGenericInst *inst, guint8 *buf, guint8 **endbuf)
2612 encode_value (inst->type_argc, p, &p);
2613 for (i = 0; i < inst->type_argc; ++i)
2614 encode_klass_ref (acfg, mono_class_from_mono_type (inst->type_argv [i]), p, &p);
2619 encode_generic_context (MonoAotCompile *acfg, MonoGenericContext *context, guint8 *buf, guint8 **endbuf)
2622 MonoGenericInst *inst;
2624 inst = context->class_inst;
2626 g_assert (inst->type_argc);
2627 encode_ginst (acfg, inst, p, &p);
2629 encode_value (0, p, &p);
2631 inst = context->method_inst;
2633 g_assert (inst->type_argc);
2634 encode_ginst (acfg, inst, p, &p);
2636 encode_value (0, p, &p);
2642 encode_type (MonoAotCompile *acfg, MonoType *t, guint8 *buf, guint8 **endbuf)
2646 g_assert (t->num_mods == 0);
2647 /* t->attrs can be ignored */
2648 //g_assert (t->attrs == 0);
2651 *p = MONO_TYPE_PINNED;
2655 *p = MONO_TYPE_BYREF;
2663 case MONO_TYPE_VOID:
2664 case MONO_TYPE_BOOLEAN:
2665 case MONO_TYPE_CHAR:
2678 case MONO_TYPE_STRING:
2679 case MONO_TYPE_OBJECT:
2680 case MONO_TYPE_TYPEDBYREF:
2682 case MONO_TYPE_VALUETYPE:
2683 case MONO_TYPE_CLASS:
2684 encode_klass_ref (acfg, mono_class_from_mono_type (t), p, &p);
2686 case MONO_TYPE_SZARRAY:
2687 encode_klass_ref (acfg, t->data.klass, p, &p);
2690 encode_type (acfg, t->data.type, p, &p);
2692 case MONO_TYPE_GENERICINST: {
2693 MonoClass *gclass = t->data.generic_class->container_class;
2694 MonoGenericInst *inst = t->data.generic_class->context.class_inst;
2696 encode_klass_ref (acfg, gclass, p, &p);
2697 encode_ginst (acfg, inst, p, &p);
2700 case MONO_TYPE_ARRAY: {
2701 MonoArrayType *array = t->data.array;
2704 encode_klass_ref (acfg, array->eklass, p, &p);
2705 encode_value (array->rank, p, &p);
2706 encode_value (array->numsizes, p, &p);
2707 for (i = 0; i < array->numsizes; ++i)
2708 encode_value (array->sizes [i], p, &p);
2709 encode_value (array->numlobounds, p, &p);
2710 for (i = 0; i < array->numlobounds; ++i)
2711 encode_value (array->lobounds [i], p, &p);
2715 case MONO_TYPE_MVAR:
2716 encode_klass_ref (acfg, mono_class_from_mono_type (t), p, &p);
2719 g_assert_not_reached ();
2726 encode_signature (MonoAotCompile *acfg, MonoMethodSignature *sig, guint8 *buf, guint8 **endbuf)
2732 /* Similar to the metadata encoding */
2733 if (sig->generic_param_count)
2737 if (sig->explicit_this)
2739 flags |= (sig->call_convention & 0x0F);
2743 if (sig->generic_param_count)
2744 encode_value (sig->generic_param_count, p, &p);
2745 encode_value (sig->param_count, p, &p);
2747 encode_type (acfg, sig->ret, p, &p);
2748 for (i = 0; i < sig->param_count; ++i) {
2749 if (sig->sentinelpos == i) {
2750 *p = MONO_TYPE_SENTINEL;
2753 encode_type (acfg, sig->params [i], p, &p);
2759 #define MAX_IMAGE_INDEX 250
2762 encode_method_ref (MonoAotCompile *acfg, MonoMethod *method, guint8 *buf, guint8 **endbuf)
2764 guint32 image_index = get_image_index (acfg, method->klass->image);
2765 guint32 token = method->token;
2766 MonoJumpInfoToken *ji;
2770 * The encoding for most methods is as follows:
2771 * - image index encoded as a leb128
2772 * - token index encoded as a leb128
2773 * Values of image index >= MONO_AOT_METHODREF_MIN are used to mark additional
2774 * types of method encodings.
2777 /* Mark methods which can't use aot trampolines because they need the further
2778 * processing in mono_magic_trampoline () which requires a MonoMethod*.
2780 if ((method->is_generic && (method->flags & METHOD_ATTRIBUTE_VIRTUAL)) ||
2781 (method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED))
2782 encode_value ((MONO_AOT_METHODREF_NO_AOT_TRAMPOLINE << 24), p, &p);
2784 if (method->wrapper_type) {
2785 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
2787 encode_value ((MONO_AOT_METHODREF_WRAPPER << 24), p, &p);
2789 encode_value (method->wrapper_type, p, &p);
2791 switch (method->wrapper_type) {
2792 case MONO_WRAPPER_REMOTING_INVOKE:
2793 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
2794 case MONO_WRAPPER_XDOMAIN_INVOKE: {
2797 m = mono_marshal_method_from_wrapper (method);
2799 encode_method_ref (acfg, m, p, &p);
2802 case MONO_WRAPPER_PROXY_ISINST:
2803 case MONO_WRAPPER_LDFLD:
2804 case MONO_WRAPPER_LDFLDA:
2805 case MONO_WRAPPER_STFLD:
2806 case MONO_WRAPPER_ISINST: {
2808 encode_klass_ref (acfg, info->d.proxy.klass, p, &p);
2811 case MONO_WRAPPER_LDFLD_REMOTE:
2812 case MONO_WRAPPER_STFLD_REMOTE:
2814 case MONO_WRAPPER_ALLOC: {
2815 /* The GC name is saved once in MonoAotFileInfo */
2816 g_assert (info->d.alloc.alloc_type != -1);
2817 encode_value (info->d.alloc.alloc_type, p, &p);
2820 case MONO_WRAPPER_WRITE_BARRIER: {
2822 encode_value (info->d.wbarrier.nursery_bits, p, &p);
2825 case MONO_WRAPPER_STELEMREF: {
2827 encode_value (info->subtype, p, &p);
2828 if (info->subtype == WRAPPER_SUBTYPE_VIRTUAL_STELEMREF)
2829 encode_value (info->d.virtual_stelemref.kind, p, &p);
2832 case MONO_WRAPPER_UNKNOWN: {
2834 encode_value (info->subtype, p, &p);
2835 if (info->subtype == WRAPPER_SUBTYPE_PTR_TO_STRUCTURE ||
2836 info->subtype == WRAPPER_SUBTYPE_STRUCTURE_TO_PTR)
2837 encode_klass_ref (acfg, method->klass, p, &p);
2838 else if (info->subtype == WRAPPER_SUBTYPE_SYNCHRONIZED_INNER)
2839 encode_method_ref (acfg, info->d.synchronized_inner.method, p, &p);
2840 else if (info->subtype == WRAPPER_SUBTYPE_ARRAY_ACCESSOR)
2841 encode_method_ref (acfg, info->d.array_accessor.method, p, &p);
2844 case MONO_WRAPPER_MANAGED_TO_NATIVE: {
2846 encode_value (info->subtype, p, &p);
2847 if (info->subtype == WRAPPER_SUBTYPE_ICALL_WRAPPER) {
2848 strcpy ((char*)p, method->name);
2849 p += strlen (method->name) + 1;
2850 } else if (info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT) {
2851 encode_method_ref (acfg, info->d.managed_to_native.method, p, &p);
2853 g_assert (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_PINVOKE);
2854 encode_method_ref (acfg, info->d.managed_to_native.method, p, &p);
2858 case MONO_WRAPPER_SYNCHRONIZED: {
2861 m = mono_marshal_method_from_wrapper (method);
2863 g_assert (m != method);
2864 encode_method_ref (acfg, m, p, &p);
2867 case MONO_WRAPPER_MANAGED_TO_MANAGED: {
2869 encode_value (info->subtype, p, &p);
2871 if (info->subtype == WRAPPER_SUBTYPE_ELEMENT_ADDR) {
2872 encode_value (info->d.element_addr.rank, p, &p);
2873 encode_value (info->d.element_addr.elem_size, p, &p);
2874 } else if (info->subtype == WRAPPER_SUBTYPE_STRING_CTOR) {
2875 encode_method_ref (acfg, info->d.string_ctor.method, p, &p);
2877 g_assert_not_reached ();
2881 case MONO_WRAPPER_CASTCLASS: {
2883 encode_value (info->subtype, p, &p);
2886 case MONO_WRAPPER_RUNTIME_INVOKE: {
2888 encode_value (info->subtype, p, &p);
2889 encode_value (info->d.runtime_invoke.pass_rgctx, p, &p);
2890 if (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL)
2891 encode_method_ref (acfg, info->d.runtime_invoke.method, p, &p);
2892 else if (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL)
2893 encode_signature (acfg, info->d.runtime_invoke.sig, p, &p);
2896 case MONO_WRAPPER_DELEGATE_INVOKE:
2897 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE:
2898 case MONO_WRAPPER_DELEGATE_END_INVOKE: {
2899 if (method->is_inflated) {
2900 /* These wrappers are identified by their class */
2901 encode_value (1, p, &p);
2902 encode_klass_ref (acfg, method->klass, p, &p);
2904 MonoMethodSignature *sig = mono_method_signature (method);
2905 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
2907 encode_value (0, p, &p);
2908 if (method->wrapper_type == MONO_WRAPPER_DELEGATE_INVOKE)
2909 encode_value (info ? info->subtype : 0, p, &p);
2910 encode_signature (acfg, sig, p, &p);
2914 case MONO_WRAPPER_NATIVE_TO_MANAGED: {
2916 encode_method_ref (acfg, info->d.native_to_managed.method, p, &p);
2917 encode_klass_ref (acfg, info->d.native_to_managed.klass, p, &p);
2921 g_assert_not_reached ();
2923 } else if (mono_method_signature (method)->is_inflated) {
2925 * This is a generic method, find the original token which referenced it and
2927 * Obtain the token from information recorded by the JIT.
2929 ji = g_hash_table_lookup (acfg->token_info_hash, method);
2931 image_index = get_image_index (acfg, ji->image);
2932 g_assert (image_index < MAX_IMAGE_INDEX);
2935 encode_value ((MONO_AOT_METHODREF_METHODSPEC << 24), p, &p);
2936 encode_value (image_index, p, &p);
2937 encode_value (token, p, &p);
2939 MonoMethod *declaring;
2940 MonoGenericContext *context = mono_method_get_context (method);
2942 g_assert (method->is_inflated);
2943 declaring = ((MonoMethodInflated*)method)->declaring;
2946 * This might be a non-generic method of a generic instance, which
2947 * doesn't have a token since the reference is generated by the JIT
2948 * like Nullable:Box/Unbox, or by generic sharing.
2950 encode_value ((MONO_AOT_METHODREF_GINST << 24), p, &p);
2951 /* Encode the klass */
2952 encode_klass_ref (acfg, method->klass, p, &p);
2953 /* Encode the method */
2954 image_index = get_image_index (acfg, method->klass->image);
2955 g_assert (image_index < MAX_IMAGE_INDEX);
2956 g_assert (declaring->token);
2957 token = declaring->token;
2958 g_assert (mono_metadata_token_table (token) == MONO_TABLE_METHOD);
2959 encode_value (image_index, p, &p);
2960 encode_value (token, p, &p);
2961 encode_generic_context (acfg, context, p, &p);
2963 } else if (token == 0) {
2964 /* This might be a method of a constructed type like int[,].Set */
2965 /* Obtain the token from information recorded by the JIT */
2966 ji = g_hash_table_lookup (acfg->token_info_hash, method);
2968 image_index = get_image_index (acfg, ji->image);
2969 g_assert (image_index < MAX_IMAGE_INDEX);
2972 encode_value ((MONO_AOT_METHODREF_METHODSPEC << 24), p, &p);
2973 encode_value (image_index, p, &p);
2974 encode_value (token, p, &p);
2977 g_assert (method->klass->rank);
2979 /* Encode directly */
2980 encode_value ((MONO_AOT_METHODREF_ARRAY << 24), p, &p);
2981 encode_klass_ref (acfg, method->klass, p, &p);
2982 if (!strcmp (method->name, ".ctor") && mono_method_signature (method)->param_count == method->klass->rank)
2983 encode_value (0, p, &p);
2984 else if (!strcmp (method->name, ".ctor") && mono_method_signature (method)->param_count == method->klass->rank * 2)
2985 encode_value (1, p, &p);
2986 else if (!strcmp (method->name, "Get"))
2987 encode_value (2, p, &p);
2988 else if (!strcmp (method->name, "Address"))
2989 encode_value (3, p, &p);
2990 else if (!strcmp (method->name, "Set"))
2991 encode_value (4, p, &p);
2993 g_assert_not_reached ();
2996 g_assert (mono_metadata_token_table (token) == MONO_TABLE_METHOD);
2998 if (image_index >= MONO_AOT_METHODREF_MIN) {
2999 encode_value ((MONO_AOT_METHODREF_LARGE_IMAGE_INDEX << 24), p, &p);
3000 encode_value (image_index, p, &p);
3001 encode_value (mono_metadata_token_index (token), p, &p);
3003 encode_value ((image_index << 24) | mono_metadata_token_index (token), p, &p);
3010 compare_patches (gconstpointer a, gconstpointer b)
3014 i = (*(MonoJumpInfo**)a)->ip.i;
3015 j = (*(MonoJumpInfo**)b)->ip.i;
3026 static G_GNUC_UNUSED char*
3027 patch_to_string (MonoJumpInfo *patch_info)
3031 str = g_string_new ("");
3033 g_string_append_printf (str, "%s(", get_patch_name (patch_info->type));
3035 switch (patch_info->type) {
3036 case MONO_PATCH_INFO_VTABLE:
3037 mono_type_get_desc (str, &patch_info->data.klass->byval_arg, TRUE);
3042 g_string_append_printf (str, ")");
3043 return g_string_free (str, FALSE);
3049 * Return whenever PATCH_INFO refers to a direct call, and thus requires a
3052 static inline gboolean
3053 is_plt_patch (MonoJumpInfo *patch_info)
3055 switch (patch_info->type) {
3056 case MONO_PATCH_INFO_METHOD:
3057 case MONO_PATCH_INFO_INTERNAL_METHOD:
3058 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
3059 case MONO_PATCH_INFO_ICALL_ADDR:
3060 case MONO_PATCH_INFO_RGCTX_FETCH:
3061 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
3071 * Return the symbol identifying the plt entry PLT_OFFSET.
3074 get_plt_symbol (MonoAotCompile *acfg, int plt_offset, MonoJumpInfo *patch_info)
3078 * The Apple linker reorganizes object files, so it doesn't like branches to local
3079 * labels, since those have no relocations.
3081 return g_strdup_printf ("%sp_%d", acfg->llvm_label_prefix, plt_offset);
3083 return g_strdup_printf ("%sp_%d", acfg->temp_prefix, plt_offset);
3090 * Return a PLT entry which belongs to the method identified by PATCH_INFO.
3092 static MonoPltEntry*
3093 get_plt_entry (MonoAotCompile *acfg, MonoJumpInfo *patch_info)
3096 gboolean synchronized = FALSE;
3097 static int synchronized_symbol_idx;
3099 if (!is_plt_patch (patch_info))
3102 if (!acfg->patch_to_plt_entry [patch_info->type])
3103 acfg->patch_to_plt_entry [patch_info->type] = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
3104 res = g_hash_table_lookup (acfg->patch_to_plt_entry [patch_info->type], patch_info);
3106 if (!acfg->llvm && patch_info->type == MONO_PATCH_INFO_METHOD && (patch_info->data.method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED)) {
3108 * Allocate a separate PLT slot for each such patch, since some plt
3109 * entries will refer to the method itself, and some will refer to the
3113 synchronized = TRUE;
3117 MonoJumpInfo *new_ji;
3119 new_ji = mono_patch_info_dup_mp (acfg->mempool, patch_info);
3121 res = mono_mempool_alloc0 (acfg->mempool, sizeof (MonoPltEntry));
3122 res->plt_offset = acfg->plt_offset;
3124 res->symbol = get_plt_symbol (acfg, res->plt_offset, patch_info);
3125 if (acfg->aot_opts.write_symbols)
3126 res->debug_sym = get_plt_entry_debug_sym (acfg, res->ji, acfg->plt_entry_debug_sym_cache);
3128 /* Avoid duplicate symbols because we don't cache */
3129 res->symbol = g_strdup_printf ("%s_%d", res->symbol, synchronized_symbol_idx);
3131 res->debug_sym = g_strdup_printf ("%s_%d", res->debug_sym, synchronized_symbol_idx);
3132 synchronized_symbol_idx ++;
3135 res->llvm_symbol = g_strdup_printf ("%s_%s_llvm", res->symbol, res->debug_sym);
3137 res->llvm_symbol = g_strdup_printf ("%s_llvm", res->symbol);
3139 g_hash_table_insert (acfg->patch_to_plt_entry [new_ji->type], new_ji, res);
3141 g_hash_table_insert (acfg->plt_offset_to_entry, GUINT_TO_POINTER (res->plt_offset), res);
3143 //g_assert (mono_patch_info_equal (patch_info, new_ji));
3144 //mono_print_ji (patch_info); printf ("\n");
3145 //g_hash_table_print_stats (acfg->patch_to_plt_entry);
3147 acfg->plt_offset ++;
3156 * Returns the offset of the GOT slot where the runtime object resulting from resolving
3157 * JI could be found if it exists, otherwise allocates a new one.
3160 get_got_offset (MonoAotCompile *acfg, gboolean llvm, MonoJumpInfo *ji)
3163 GotInfo *info = llvm ? &acfg->llvm_got_info : &acfg->got_info;
3165 got_offset = GPOINTER_TO_UINT (g_hash_table_lookup (info->patch_to_got_offset_by_type [ji->type], ji));
3167 return got_offset - 1;
3170 got_offset = acfg->llvm_got_offset;
3171 acfg->llvm_got_offset ++;
3173 got_offset = acfg->got_offset;
3174 acfg->got_offset ++;
3177 acfg->stats.got_slots ++;
3178 acfg->stats.got_slot_types [ji->type] ++;
3180 g_hash_table_insert (info->patch_to_got_offset, ji, GUINT_TO_POINTER (got_offset + 1));
3181 g_hash_table_insert (info->patch_to_got_offset_by_type [ji->type], ji, GUINT_TO_POINTER (got_offset + 1));
3182 g_ptr_array_add (info->got_patches, ji);
3187 /* Add a method to the list of methods which need to be emitted */
3189 add_method_with_index (MonoAotCompile *acfg, MonoMethod *method, int index, gboolean extra)
3192 if (!g_hash_table_lookup (acfg->method_indexes, method)) {
3193 g_ptr_array_add (acfg->methods, method);
3194 g_hash_table_insert (acfg->method_indexes, method, GUINT_TO_POINTER (index + 1));
3195 acfg->nmethods = acfg->methods->len + 1;
3198 if (method->wrapper_type || extra)
3199 g_ptr_array_add (acfg->extra_methods, method);
3203 prefer_gsharedvt_method (MonoAotCompile *acfg, MonoMethod *method)
3205 /* One instantiation with valuetypes is generated for each async method */
3206 if (method->klass->image == mono_defaults.corlib && (!strcmp (method->klass->name, "AsyncMethodBuilderCore") || !strcmp (method->klass->name, "AsyncVoidMethodBuilder")))
3213 get_method_index (MonoAotCompile *acfg, MonoMethod *method)
3215 int index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_indexes, method));
3223 add_method_full (MonoAotCompile *acfg, MonoMethod *method, gboolean extra, int depth)
3227 index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_indexes, method));
3231 index = acfg->method_index;
3232 add_method_with_index (acfg, method, index, extra);
3234 g_ptr_array_add (acfg->method_order, GUINT_TO_POINTER (index));
3236 g_hash_table_insert (acfg->method_depth, method, GUINT_TO_POINTER (depth));
3238 acfg->method_index ++;
3244 add_method (MonoAotCompile *acfg, MonoMethod *method)
3246 return add_method_full (acfg, method, FALSE, 0);
3250 add_extra_method_with_depth (MonoAotCompile *acfg, MonoMethod *method, int depth)
3252 if (mono_method_is_generic_sharable_full (method, TRUE, TRUE, FALSE))
3253 method = mini_get_shared_method (method);
3254 else if ((acfg->opts & MONO_OPT_GSHAREDVT) && prefer_gsharedvt_method (acfg, method) && mono_method_is_generic_sharable_full (method, FALSE, FALSE, TRUE))
3255 /* Use the gsharedvt version */
3256 method = mini_get_shared_method_full (method, TRUE, TRUE);
3258 if (acfg->aot_opts.log_generics)
3259 aot_printf (acfg, "%*sAdding method %s.\n", depth, "", mono_method_full_name (method, TRUE));
3261 add_method_full (acfg, method, TRUE, depth);
3265 add_extra_method (MonoAotCompile *acfg, MonoMethod *method)
3267 add_extra_method_with_depth (acfg, method, 0);
3271 add_jit_icall_wrapper (gpointer key, gpointer value, gpointer user_data)
3273 MonoAotCompile *acfg = user_data;
3274 MonoJitICallInfo *callinfo = value;
3275 MonoMethod *wrapper;
3281 name = g_strdup_printf ("__icall_wrapper_%s", callinfo->name);
3282 wrapper = mono_marshal_get_icall_wrapper (callinfo->sig, name, callinfo->func, TRUE);
3285 add_method (acfg, wrapper);
3289 get_runtime_invoke_sig (MonoMethodSignature *sig)
3291 MonoMethodBuilder *mb;
3294 mb = mono_mb_new (mono_defaults.object_class, "FOO", MONO_WRAPPER_NONE);
3295 m = mono_mb_create_method (mb, sig, 16);
3296 return mono_marshal_get_runtime_invoke (m, FALSE, FALSE);
3300 get_runtime_invoke (MonoAotCompile *acfg, MonoMethod *method, gboolean virtual)
3302 return mono_marshal_get_runtime_invoke (method, virtual, acfg->aot_opts.llvm_only && mono_method_needs_static_rgctx_invoke (method, TRUE));
3306 can_marshal_struct (MonoClass *klass)
3308 MonoClassField *field;
3309 gboolean can_marshal = TRUE;
3310 gpointer iter = NULL;
3311 MonoMarshalType *info;
3314 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
3317 info = mono_marshal_load_type_info (klass);
3319 /* Only allow a few field types to avoid asserts in the marshalling code */
3320 while ((field = mono_class_get_fields (klass, &iter))) {
3321 if ((field->type->attrs & FIELD_ATTRIBUTE_STATIC))
3324 switch (field->type->type) {
3329 case MONO_TYPE_BOOLEAN:
3332 case MONO_TYPE_CHAR:
3340 case MONO_TYPE_STRING:
3342 case MONO_TYPE_VALUETYPE:
3343 if (!mono_class_from_mono_type (field->type)->enumtype && !can_marshal_struct (mono_class_from_mono_type (field->type)))
3344 can_marshal = FALSE;
3346 case MONO_TYPE_SZARRAY: {
3347 gboolean has_mspec = FALSE;
3350 for (i = 0; i < info->num_fields; ++i) {
3351 if (info->fields [i].field == field && info->fields [i].mspec)
3356 can_marshal = FALSE;
3360 can_marshal = FALSE;
3366 /* Its hard to compute whenever these can be marshalled or not */
3367 if (!strcmp (klass->name_space, "System.Net.NetworkInformation.MacOsStructs") && strcmp (klass->name, "sockaddr_dl"))
3374 create_gsharedvt_inst (MonoAotCompile *acfg, MonoMethod *method, MonoGenericContext *ctx)
3376 /* Create a vtype instantiation */
3377 MonoGenericContext shared_context;
3379 MonoGenericInst *inst;
3380 MonoGenericContainer *container;
3381 MonoClass **constraints;
3384 memset (ctx, 0, sizeof (MonoGenericContext));
3386 if (method->klass->generic_container) {
3387 shared_context = method->klass->generic_container->context;
3388 inst = shared_context.class_inst;
3390 args = g_new0 (MonoType*, inst->type_argc);
3391 for (i = 0; i < inst->type_argc; ++i) {
3392 args [i] = &mono_defaults.int_class->byval_arg;
3394 ctx->class_inst = mono_metadata_get_generic_inst (inst->type_argc, args);
3396 if (method->is_generic) {
3397 container = mono_method_get_generic_container (method);
3398 shared_context = container->context;
3399 inst = shared_context.method_inst;
3401 args = g_new0 (MonoType*, inst->type_argc);
3402 for (i = 0; i < container->type_argc; ++i) {
3403 MonoGenericParamInfo *info = &container->type_params [i].info;
3404 gboolean ref_only = FALSE;
3406 if (info && info->constraints) {
3407 constraints = info->constraints;
3409 while (*constraints) {
3410 MonoClass *cklass = *constraints;
3411 if (!(cklass == mono_defaults.object_class || (cklass->image == mono_defaults.corlib && !strcmp (cklass->name, "ValueType"))))
3412 /* Inflaring the method with our vtype would not be valid */
3419 args [i] = &mono_defaults.object_class->byval_arg;
3421 args [i] = &mono_defaults.int_class->byval_arg;
3423 ctx->method_inst = mono_metadata_get_generic_inst (inst->type_argc, args);
3428 add_wrappers (MonoAotCompile *acfg)
3430 MonoMethod *method, *m;
3432 MonoMethodSignature *sig, *csig;
3436 * FIXME: Instead of AOTing all the wrappers, it might be better to redesign them
3437 * so there is only one wrapper of a given type, or inlining their contents into their
3440 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
3443 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
3444 gboolean skip = FALSE;
3446 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
3447 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
3449 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
3450 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
3451 (method->flags & METHOD_ATTRIBUTE_ABSTRACT))
3454 /* Skip methods which can not be handled by get_runtime_invoke () */
3455 sig = mono_method_signature (method);
3458 if ((sig->ret->type == MONO_TYPE_PTR) ||
3459 (sig->ret->type == MONO_TYPE_TYPEDBYREF))
3461 if (mono_class_is_open_constructed_type (sig->ret))
3464 for (j = 0; j < sig->param_count; j++) {
3465 if (sig->params [j]->type == MONO_TYPE_TYPEDBYREF)
3467 if (mono_class_is_open_constructed_type (sig->params [j]))
3471 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
3472 if (!mono_class_is_contextbound (method->klass)) {
3473 MonoDynCallInfo *info = mono_arch_dyn_call_prepare (sig);
3474 gboolean has_nullable = FALSE;
3476 for (j = 0; j < sig->param_count; j++) {
3477 if (sig->params [j]->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (sig->params [j])))
3478 has_nullable = TRUE;
3481 if (info && !has_nullable && !acfg->aot_opts.llvm_only) {
3482 /* Supported by the dynamic runtime-invoke wrapper */
3486 mono_arch_dyn_call_free (info);
3491 //printf ("%s\n", mono_method_full_name (method, TRUE));
3492 add_method (acfg, get_runtime_invoke (acfg, method, FALSE));
3496 if (strcmp (acfg->image->assembly->aname.name, "mscorlib") == 0) {
3499 /* Runtime invoke wrappers */
3501 /* void runtime-invoke () [.cctor] */
3502 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3503 csig->ret = &mono_defaults.void_class->byval_arg;
3504 add_method (acfg, get_runtime_invoke_sig (csig));
3506 /* void runtime-invoke () [Finalize] */
3507 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3509 csig->ret = &mono_defaults.void_class->byval_arg;
3510 add_method (acfg, get_runtime_invoke_sig (csig));
3512 /* void runtime-invoke (string) [exception ctor] */
3513 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
3515 csig->ret = &mono_defaults.void_class->byval_arg;
3516 csig->params [0] = &mono_defaults.string_class->byval_arg;
3517 add_method (acfg, get_runtime_invoke_sig (csig));
3519 /* void runtime-invoke (string, string) [exception ctor] */
3520 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
3522 csig->ret = &mono_defaults.void_class->byval_arg;
3523 csig->params [0] = &mono_defaults.string_class->byval_arg;
3524 csig->params [1] = &mono_defaults.string_class->byval_arg;
3525 add_method (acfg, get_runtime_invoke_sig (csig));
3527 /* string runtime-invoke () [Exception.ToString ()] */
3528 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3530 csig->ret = &mono_defaults.string_class->byval_arg;
3531 add_method (acfg, get_runtime_invoke_sig (csig));
3533 /* void runtime-invoke (string, Exception) [exception ctor] */
3534 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
3536 csig->ret = &mono_defaults.void_class->byval_arg;
3537 csig->params [0] = &mono_defaults.string_class->byval_arg;
3538 csig->params [1] = &mono_defaults.exception_class->byval_arg;
3539 add_method (acfg, get_runtime_invoke_sig (csig));
3541 /* Assembly runtime-invoke (string, bool) [DoAssemblyResolve] */
3542 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
3544 csig->ret = &(mono_class_from_name (
3545 mono_defaults.corlib, "System.Reflection", "Assembly"))->byval_arg;
3546 csig->params [0] = &mono_defaults.string_class->byval_arg;
3547 csig->params [1] = &mono_defaults.boolean_class->byval_arg;
3548 add_method (acfg, get_runtime_invoke_sig (csig));
3550 /* runtime-invoke used by finalizers */
3551 add_method (acfg, get_runtime_invoke (acfg, mono_class_get_method_from_name_flags (mono_defaults.object_class, "Finalize", 0, 0), TRUE));
3553 /* This is used by mono_runtime_capture_context () */
3554 method = mono_get_context_capture_method ();
3556 add_method (acfg, get_runtime_invoke (acfg, method, FALSE));
3558 #ifdef MONO_ARCH_DYN_CALL_SUPPORTED
3559 if (!acfg->aot_opts.llvm_only)
3560 add_method (acfg, mono_marshal_get_runtime_invoke_dynamic ());
3564 add_method (acfg, mono_marshal_get_stelemref ());
3566 if (MONO_ARCH_HAVE_TLS_GET) {
3567 /* Managed Allocators */
3568 nallocators = mono_gc_get_managed_allocator_types ();
3569 for (i = 0; i < nallocators; ++i) {
3570 m = mono_gc_get_managed_allocator_by_type (i, TRUE);
3572 add_method (acfg, m);
3574 for (i = 0; i < nallocators; ++i) {
3575 m = mono_gc_get_managed_allocator_by_type (i, FALSE);
3577 add_method (acfg, m);
3581 /* write barriers */
3582 if (mono_gc_is_moving ()) {
3583 add_method (acfg, mono_gc_get_specific_write_barrier (FALSE));
3584 add_method (acfg, mono_gc_get_specific_write_barrier (TRUE));
3587 /* Stelemref wrappers */
3589 MonoMethod **wrappers;
3592 wrappers = mono_marshal_get_virtual_stelemref_wrappers (&nwrappers);
3593 for (i = 0; i < nwrappers; ++i)
3594 add_method (acfg, wrappers [i]);
3598 /* castclass_with_check wrapper */
3599 add_method (acfg, mono_marshal_get_castclass_with_cache ());
3600 /* isinst_with_check wrapper */
3601 add_method (acfg, mono_marshal_get_isinst_with_cache ());
3603 /* JIT icall wrappers */
3604 /* FIXME: locking - this is "safe" as full-AOT threads don't mutate the icall hash*/
3605 g_hash_table_foreach (mono_get_jit_icall_info (), add_jit_icall_wrapper, acfg);
3609 * remoting-invoke-with-check wrappers are very frequent, so avoid emitting them,
3610 * we use the original method instead at runtime.
3611 * Since full-aot doesn't support remoting, this is not a problem.
3614 /* remoting-invoke wrappers */
3615 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
3616 MonoMethodSignature *sig;
3618 token = MONO_TOKEN_METHOD_DEF | (i + 1);
3619 method = mono_get_method (acfg->image, token, NULL);
3621 sig = mono_method_signature (method);
3623 if (sig->hasthis && (method->klass->marshalbyref || method->klass == mono_defaults.object_class)) {
3624 m = mono_marshal_get_remoting_invoke_with_check (method);
3626 add_method (acfg, m);
3631 /* delegate-invoke wrappers */
3632 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
3635 MonoCustomAttrInfo *cattr;
3637 token = MONO_TOKEN_TYPE_DEF | (i + 1);
3638 klass = mono_class_get_checked (acfg->image, token, &error);
3641 mono_error_cleanup (&error);
3645 if (!klass->delegate || klass == mono_defaults.delegate_class || klass == mono_defaults.multicastdelegate_class)
3648 if (!klass->generic_container) {
3649 method = mono_get_delegate_invoke (klass);
3651 m = mono_marshal_get_delegate_invoke (method, NULL);
3653 add_method (acfg, m);
3655 method = mono_class_get_method_from_name_flags (klass, "BeginInvoke", -1, 0);
3657 add_method (acfg, mono_marshal_get_delegate_begin_invoke (method));
3659 method = mono_class_get_method_from_name_flags (klass, "EndInvoke", -1, 0);
3661 add_method (acfg, mono_marshal_get_delegate_end_invoke (method));
3663 cattr = mono_custom_attrs_from_class (klass);
3668 for (j = 0; j < cattr->num_attrs; ++j)
3669 if (cattr->attrs [j].ctor && (!strcmp (cattr->attrs [j].ctor->klass->name, "MonoNativeFunctionWrapperAttribute") || !strcmp (cattr->attrs [j].ctor->klass->name, "UnmanagedFunctionPointerAttribute")))
3671 if (j < cattr->num_attrs) {
3673 MonoMethod *wrapper;
3674 MonoMethod *del_invoke;
3676 /* Add wrappers needed by mono_ftnptr_to_delegate () */
3677 invoke = mono_get_delegate_invoke (klass);
3678 wrapper = mono_marshal_get_native_func_wrapper_aot (klass);
3679 del_invoke = mono_marshal_get_delegate_invoke_internal (invoke, FALSE, TRUE, wrapper);
3680 add_method (acfg, wrapper);
3681 add_method (acfg, del_invoke);
3684 } else if ((acfg->opts & MONO_OPT_GSHAREDVT) && klass->generic_container) {
3686 MonoGenericContext ctx;
3687 MonoMethod *inst, *gshared;
3690 * Emit gsharedvt versions of the generic delegate-invoke wrappers
3693 method = mono_get_delegate_invoke (klass);
3694 create_gsharedvt_inst (acfg, method, &ctx);
3696 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
3697 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3699 m = mono_marshal_get_delegate_invoke (inst, NULL);
3700 g_assert (m->is_inflated);
3702 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
3703 add_extra_method (acfg, gshared);
3706 method = mono_get_delegate_begin_invoke (klass);
3707 create_gsharedvt_inst (acfg, method, &ctx);
3709 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
3710 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3712 m = mono_marshal_get_delegate_begin_invoke (inst);
3713 g_assert (m->is_inflated);
3715 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
3716 add_extra_method (acfg, gshared);
3719 method = mono_get_delegate_end_invoke (klass);
3720 create_gsharedvt_inst (acfg, method, &ctx);
3722 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
3723 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3725 m = mono_marshal_get_delegate_end_invoke (inst);
3726 g_assert (m->is_inflated);
3728 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
3729 add_extra_method (acfg, gshared);
3734 /* array access wrappers */
3735 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPESPEC].rows; ++i) {
3739 token = MONO_TOKEN_TYPE_SPEC | (i + 1);
3740 klass = mono_class_get_checked (acfg->image, token, &error);
3743 mono_error_cleanup (&error);
3747 if (klass->rank && MONO_TYPE_IS_PRIMITIVE (&klass->element_class->byval_arg)) {
3748 MonoMethod *m, *wrapper;
3750 /* Add runtime-invoke wrappers too */
3752 m = mono_class_get_method_from_name (klass, "Get", -1);
3754 wrapper = mono_marshal_get_array_accessor_wrapper (m);
3755 add_extra_method (acfg, wrapper);
3756 add_extra_method (acfg, get_runtime_invoke (acfg, wrapper, FALSE));
3758 m = mono_class_get_method_from_name (klass, "Set", -1);
3760 wrapper = mono_marshal_get_array_accessor_wrapper (m);
3761 add_extra_method (acfg, wrapper);
3762 add_extra_method (acfg, get_runtime_invoke (acfg, wrapper, FALSE));
3766 /* Synchronized wrappers */
3767 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
3769 token = MONO_TOKEN_METHOD_DEF | (i + 1);
3770 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
3771 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
3773 if (method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) {
3774 if (method->is_generic) {
3776 } else if ((acfg->opts & MONO_OPT_GSHAREDVT) && method->klass->generic_container) {
3778 MonoGenericContext ctx;
3779 MonoMethod *inst, *gshared, *m;
3782 * Create a generic wrapper for a generic instance, and AOT that.
3784 create_gsharedvt_inst (acfg, method, &ctx);
3785 inst = mono_class_inflate_generic_method_checked (method, &ctx, &error);
3786 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
3787 m = mono_marshal_get_synchronized_wrapper (inst);
3788 g_assert (m->is_inflated);
3789 gshared = mini_get_shared_method_full (m, FALSE, TRUE);
3790 add_method (acfg, gshared);
3792 add_method (acfg, mono_marshal_get_synchronized_wrapper (method));
3797 /* pinvoke wrappers */
3798 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
3801 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
3803 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
3804 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
3806 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
3807 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)) {
3808 add_method (acfg, mono_marshal_get_native_wrapper (method, TRUE, TRUE));
3812 /* native-to-managed wrappers */
3813 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHOD].rows; ++i) {
3816 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
3817 MonoCustomAttrInfo *cattr;
3820 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
3821 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
3824 * Only generate native-to-managed wrappers for methods which have an
3825 * attribute named MonoPInvokeCallbackAttribute. We search for the attribute by
3826 * name to avoid defining a new assembly to contain it.
3828 cattr = mono_custom_attrs_from_method (method);
3831 for (j = 0; j < cattr->num_attrs; ++j)
3832 if (cattr->attrs [j].ctor && !strcmp (cattr->attrs [j].ctor->klass->name, "MonoPInvokeCallbackAttribute"))
3834 if (j < cattr->num_attrs) {
3835 MonoCustomAttrEntry *e = &cattr->attrs [j];
3836 MonoMethodSignature *sig = mono_method_signature (e->ctor);
3837 const char *p = (const char*)e->data;
3839 int slen, num_named, named_type;
3843 char *export_name = NULL;
3844 MonoMethod *wrapper;
3846 /* this cannot be enforced by the C# compiler so we must give the user some warning before aborting */
3847 if (!(method->flags & METHOD_ATTRIBUTE_STATIC)) {
3848 g_warning ("AOT restriction: Method '%s' must be static since it is decorated with [MonoPInvokeCallback]. See http://ios.xamarin.com/Documentation/Limitations#Reverse_Callbacks",
3849 mono_method_full_name (method, TRUE));
3853 g_assert (sig->param_count == 1);
3854 g_assert (sig->params [0]->type == MONO_TYPE_CLASS && !strcmp (mono_class_from_mono_type (sig->params [0])->name, "Type"));
3857 * Decode the cattr manually since we can't create objects
3858 * during aot compilation.
3864 /* From load_cattr_value () in reflection.c */
3865 slen = mono_metadata_decode_value (p, &p);
3866 n = g_memdup (p, slen + 1);
3868 t = mono_reflection_type_from_name (n, acfg->image);
3872 klass = mono_class_from_mono_type (t);
3873 g_assert (klass->parent == mono_defaults.multicastdelegate_class);
3877 num_named = read16 (p);
3880 g_assert (num_named < 2);
3881 if (num_named == 1) {
3885 /* parse ExportSymbol attribute */
3887 named_type = *named;
3889 /* data_type = *named; */
3892 name_len = mono_metadata_decode_blob_size (named, &named);
3893 name = g_malloc (name_len + 1);
3894 memcpy (name, named, name_len);
3895 name [name_len] = 0;
3898 g_assert (named_type == 0x54);
3899 g_assert (!strcmp (name, "ExportSymbol"));
3901 /* load_cattr_value (), string case */
3902 g_assert (*named != (char)0xff);
3903 slen = mono_metadata_decode_value (named, &named);
3904 export_name = g_malloc (slen + 1);
3905 memcpy (export_name, named, slen);
3906 export_name [slen] = 0;
3910 wrapper = mono_marshal_get_managed_wrapper (method, klass, 0);
3911 add_method (acfg, wrapper);
3913 g_hash_table_insert (acfg->export_names, wrapper, export_name);
3917 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
3918 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)) {
3919 add_method (acfg, mono_marshal_get_native_wrapper (method, TRUE, TRUE));
3923 /* StructureToPtr/PtrToStructure wrappers */
3924 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
3928 token = MONO_TOKEN_TYPE_DEF | (i + 1);
3929 klass = mono_class_get_checked (acfg->image, token, &error);
3932 mono_error_cleanup (&error);
3936 if (klass->valuetype && !klass->generic_container && can_marshal_struct (klass) &&
3937 !(klass->nested_in && strstr (klass->nested_in->name, "<PrivateImplementationDetails>") == klass->nested_in->name)) {
3938 add_method (acfg, mono_marshal_get_struct_to_ptr (klass));
3939 add_method (acfg, mono_marshal_get_ptr_to_struct (klass));
3945 has_type_vars (MonoClass *klass)
3947 if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR))
3950 return has_type_vars (klass->element_class);
3951 if (klass->generic_class) {
3952 MonoGenericContext *context = &klass->generic_class->context;
3953 if (context->class_inst) {
3956 for (i = 0; i < context->class_inst->type_argc; ++i)
3957 if (has_type_vars (mono_class_from_mono_type (context->class_inst->type_argv [i])))
3961 if (klass->generic_container)
3967 is_vt_inst (MonoGenericInst *inst)
3971 for (i = 0; i < inst->type_argc; ++i) {
3972 MonoType *t = inst->type_argv [i];
3973 if (MONO_TYPE_ISSTRUCT (t) || t->type == MONO_TYPE_VALUETYPE)
3980 method_has_type_vars (MonoMethod *method)
3982 if (has_type_vars (method->klass))
3985 if (method->is_inflated) {
3986 MonoGenericContext *context = mono_method_get_context (method);
3987 if (context->method_inst) {
3990 for (i = 0; i < context->method_inst->type_argc; ++i)
3991 if (has_type_vars (mono_class_from_mono_type (context->method_inst->type_argv [i])))
3999 gboolean mono_aot_mode_is_full (MonoAotOptions *opts)
4001 return opts->mode == MONO_AOT_MODE_FULL;
4004 static void add_generic_class_with_depth (MonoAotCompile *acfg, MonoClass *klass, int depth, const char *ref);
4007 add_generic_class (MonoAotCompile *acfg, MonoClass *klass, gboolean force, const char *ref)
4009 /* This might lead to a huge code blowup so only do it if neccesary */
4010 if (!mono_aot_mode_is_full (&acfg->aot_opts) && !force)
4013 add_generic_class_with_depth (acfg, klass, 0, ref);
4017 check_type_depth (MonoType *t, int depth)
4025 case MONO_TYPE_GENERICINST: {
4026 MonoGenericClass *gklass = t->data.generic_class;
4027 MonoGenericInst *ginst = gklass->context.class_inst;
4030 for (i = 0; i < ginst->type_argc; ++i) {
4031 if (check_type_depth (ginst->type_argv [i], depth + 1))
4045 add_types_from_method_header (MonoAotCompile *acfg, MonoMethod *method);
4048 * add_generic_class:
4050 * Add all methods of a generic class.
4053 add_generic_class_with_depth (MonoAotCompile *acfg, MonoClass *klass, int depth, const char *ref)
4056 MonoClassField *field;
4058 gboolean use_gsharedvt = FALSE;
4060 if (!acfg->ginst_hash)
4061 acfg->ginst_hash = g_hash_table_new (NULL, NULL);
4063 mono_class_init (klass);
4065 if (klass->generic_class && klass->generic_class->context.class_inst->is_open)
4068 if (has_type_vars (klass))
4071 if (!klass->generic_class && !klass->rank)
4074 if (klass->exception_type)
4077 if (!acfg->ginst_hash)
4078 acfg->ginst_hash = g_hash_table_new (NULL, NULL);
4080 if (g_hash_table_lookup (acfg->ginst_hash, klass))
4083 if (check_type_depth (&klass->byval_arg, 0))
4086 if (acfg->aot_opts.log_generics)
4087 aot_printf (acfg, "%*sAdding generic instance %s [%s].\n", depth, "", mono_type_full_name (&klass->byval_arg), ref);
4089 g_hash_table_insert (acfg->ginst_hash, klass, klass);
4092 * Use gsharedvt for generic collections with vtype arguments to avoid code blowup.
4093 * Enable this only for some classes since gsharedvt might not support all methods.
4095 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) &&
4096 (!strcmp (klass->name, "Dictionary`2") || !strcmp (klass->name, "List`1") || !strcmp (klass->name, "ReadOnlyCollection`1")))
4097 use_gsharedvt = TRUE;
4100 while ((method = mono_class_get_methods (klass, &iter))) {
4101 if ((acfg->opts & MONO_OPT_GSHAREDVT) && method->is_inflated && mono_method_get_context (method)->method_inst) {
4103 * This is partial sharing, and we can't handle it yet
4108 if (mono_method_is_generic_sharable_full (method, FALSE, FALSE, use_gsharedvt)) {
4110 add_types_from_method_header (acfg, method);
4114 if (method->is_generic)
4119 * FIXME: Instances which are referenced by these methods are not added,
4120 * for example Array.Resize<int> for List<int>.Add ().
4122 add_extra_method_with_depth (acfg, method, depth + 1);
4126 while ((field = mono_class_get_fields (klass, &iter))) {
4127 if (field->type->type == MONO_TYPE_GENERICINST)
4128 add_generic_class_with_depth (acfg, mono_class_from_mono_type (field->type), depth + 1, "field");
4131 if (klass->delegate) {
4132 method = mono_get_delegate_invoke (klass);
4134 method = mono_marshal_get_delegate_invoke (method, NULL);
4136 if (acfg->aot_opts.log_generics)
4137 aot_printf (acfg, "%*sAdding method %s.\n", depth, "", mono_method_full_name (method, TRUE));
4139 add_method (acfg, method);
4142 /* Add superclasses */
4144 add_generic_class_with_depth (acfg, klass->parent, depth, "parent");
4147 * For ICollection<T>, add instances of the helper methods
4148 * in Array, since a T[] could be cast to ICollection<T>.
4150 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") &&
4151 (!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"))) {
4152 MonoClass *tclass = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4153 MonoClass *array_class = mono_bounded_array_class_get (tclass, 1, FALSE);
4157 if (!strcmp (klass->name, "IEnumerator`1"))
4158 name_prefix = g_strdup_printf ("%s.%s", klass->name_space, "IEnumerable`1");
4160 name_prefix = g_strdup_printf ("%s.%s", klass->name_space, klass->name);
4162 /* Add the T[]/InternalEnumerator class */
4163 if (!strcmp (klass->name, "IEnumerable`1") || !strcmp (klass->name, "IEnumerator`1")) {
4167 while ((nclass = mono_class_get_nested_types (array_class->parent, &iter))) {
4168 if (!strcmp (nclass->name, "InternalEnumerator`1"))
4172 nclass = mono_class_inflate_generic_class (nclass, mono_generic_class_get_context (klass->generic_class));
4173 add_generic_class (acfg, nclass, FALSE, "ICollection<T>");
4177 while ((method = mono_class_get_methods (array_class, &iter))) {
4178 if (strstr (method->name, name_prefix)) {
4179 MonoMethod *m = mono_aot_get_array_helper_from_wrapper (method);
4181 add_extra_method_with_depth (acfg, m, depth);
4185 g_free (name_prefix);
4188 /* Add an instance of GenericComparer<T> which is created dynamically by Comparer<T> */
4189 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "Comparer`1")) {
4190 MonoClass *tclass = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4191 MonoClass *icomparable, *gcomparer;
4192 MonoGenericContext ctx;
4193 MonoType *args [16];
4195 memset (&ctx, 0, sizeof (ctx));
4197 icomparable = mono_class_from_name (mono_defaults.corlib, "System", "IComparable`1");
4198 g_assert (icomparable);
4199 args [0] = &tclass->byval_arg;
4200 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4202 if (mono_class_is_assignable_from (mono_class_inflate_generic_class (icomparable, &ctx), tclass)) {
4203 gcomparer = mono_class_from_name (mono_defaults.corlib, "System.Collections.Generic", "GenericComparer`1");
4204 g_assert (gcomparer);
4205 add_generic_class (acfg, mono_class_inflate_generic_class (gcomparer, &ctx), FALSE, "Comparer<T>");
4209 /* Add an instance of GenericEqualityComparer<T> which is created dynamically by EqualityComparer<T> */
4210 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "EqualityComparer`1")) {
4211 MonoClass *tclass = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4212 MonoClass *iface, *gcomparer;
4213 MonoGenericContext ctx;
4214 MonoType *args [16];
4216 memset (&ctx, 0, sizeof (ctx));
4218 iface = mono_class_from_name (mono_defaults.corlib, "System", "IEquatable`1");
4220 args [0] = &tclass->byval_arg;
4221 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4223 if (mono_class_is_assignable_from (mono_class_inflate_generic_class (iface, &ctx), tclass)) {
4224 gcomparer = mono_class_from_name (mono_defaults.corlib, "System.Collections.Generic", "GenericEqualityComparer`1");
4225 g_assert (gcomparer);
4226 add_generic_class (acfg, mono_class_inflate_generic_class (gcomparer, &ctx), FALSE, "EqualityComparer<T>");
4230 /* Add an instance of EnumComparer<T> which is created dynamically by EqualityComparer<T> for enums */
4231 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "EqualityComparer`1")) {
4232 MonoClass *enum_comparer;
4233 MonoClass *tclass = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4234 MonoGenericContext ctx;
4235 MonoType *args [16];
4237 if (mono_class_is_enum (tclass)) {
4238 memset (&ctx, 0, sizeof (ctx));
4239 args [0] = &tclass->byval_arg;
4240 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4242 enum_comparer = mono_class_from_name (mono_defaults.corlib, "System.Collections.Generic", "EnumEqualityComparer`1");
4243 g_assert (enum_comparer);
4244 add_generic_class (acfg, mono_class_inflate_generic_class (enum_comparer, &ctx), FALSE, "EqualityComparer<T>");
4248 /* Add an instance of ObjectComparer<T> which is created dynamically by Comparer<T> for enums */
4249 if (klass->image == mono_defaults.corlib && !strcmp (klass->name_space, "System.Collections.Generic") && !strcmp (klass->name, "Comparer`1")) {
4250 MonoClass *comparer;
4251 MonoClass *tclass = mono_class_from_mono_type (klass->generic_class->context.class_inst->type_argv [0]);
4252 MonoGenericContext ctx;
4253 MonoType *args [16];
4255 if (mono_class_is_enum (tclass)) {
4256 memset (&ctx, 0, sizeof (ctx));
4257 args [0] = &tclass->byval_arg;
4258 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4260 comparer = mono_class_from_name (mono_defaults.corlib, "System.Collections.Generic", "ObjectComparer`1");
4261 g_assert (comparer);
4262 add_generic_class (acfg, mono_class_inflate_generic_class (comparer, &ctx), FALSE, "Comparer<T>");
4268 add_instances_of (MonoAotCompile *acfg, MonoClass *klass, MonoType **insts, int ninsts, gboolean force)
4271 MonoGenericContext ctx;
4272 MonoType *args [16];
4274 if (acfg->aot_opts.no_instances)
4277 memset (&ctx, 0, sizeof (ctx));
4279 for (i = 0; i < ninsts; ++i) {
4280 args [0] = insts [i];
4281 ctx.class_inst = mono_metadata_get_generic_inst (1, args);
4282 add_generic_class (acfg, mono_class_inflate_generic_class (klass, &ctx), force, "");
4287 add_types_from_method_header (MonoAotCompile *acfg, MonoMethod *method)
4289 MonoMethodHeader *header;
4290 MonoMethodSignature *sig;
4293 depth = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_depth, method));
4295 sig = mono_method_signature (method);
4298 for (j = 0; j < sig->param_count; ++j)
4299 if (sig->params [j]->type == MONO_TYPE_GENERICINST)
4300 add_generic_class_with_depth (acfg, mono_class_from_mono_type (sig->params [j]), depth + 1, "arg");
4303 header = mono_method_get_header (method);
4306 for (j = 0; j < header->num_locals; ++j)
4307 if (header->locals [j]->type == MONO_TYPE_GENERICINST)
4308 add_generic_class_with_depth (acfg, mono_class_from_mono_type (header->locals [j]), depth + 1, "local");
4310 mono_loader_clear_error ();
4315 * add_generic_instances:
4317 * Add instances referenced by the METHODSPEC/TYPESPEC table.
4320 add_generic_instances (MonoAotCompile *acfg)
4325 MonoGenericContext *context;
4327 if (acfg->aot_opts.no_instances)
4330 for (i = 0; i < acfg->image->tables [MONO_TABLE_METHODSPEC].rows; ++i) {
4332 token = MONO_TOKEN_METHOD_SPEC | (i + 1);
4333 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
4336 aot_printerrf (acfg, "Failed to load methodspec 0x%x due to %s.\n", token, mono_error_get_message (&error));
4337 aot_printerrf (acfg, "Run with MONO_LOG_LEVEL=debug for more information.\n");
4338 mono_error_cleanup (&error);
4342 if (method->klass->image != acfg->image)
4345 context = mono_method_get_context (method);
4347 if (context && ((context->class_inst && context->class_inst->is_open)))
4351 * For open methods, create an instantiation which can be passed to the JIT.
4352 * FIXME: Handle class_inst as well.
4354 if (context && context->method_inst && context->method_inst->is_open) {
4356 MonoGenericContext shared_context;
4357 MonoGenericInst *inst;
4358 MonoType **type_argv;
4360 MonoMethod *declaring_method;
4361 gboolean supported = TRUE;
4363 /* Check that the context doesn't contain open constructed types */
4364 if (context->class_inst) {
4365 inst = context->class_inst;
4366 for (i = 0; i < inst->type_argc; ++i) {
4367 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)
4369 if (mono_class_is_open_constructed_type (inst->type_argv [i]))
4373 if (context->method_inst) {
4374 inst = context->method_inst;
4375 for (i = 0; i < inst->type_argc; ++i) {
4376 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)
4378 if (mono_class_is_open_constructed_type (inst->type_argv [i]))
4386 memset (&shared_context, 0, sizeof (MonoGenericContext));
4388 inst = context->class_inst;
4390 type_argv = g_new0 (MonoType*, inst->type_argc);
4391 for (i = 0; i < inst->type_argc; ++i) {
4392 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 type_argv [i] = &mono_defaults.object_class->byval_arg;
4395 type_argv [i] = inst->type_argv [i];
4398 shared_context.class_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4402 inst = context->method_inst;
4404 type_argv = g_new0 (MonoType*, inst->type_argc);
4405 for (i = 0; i < inst->type_argc; ++i) {
4406 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)
4407 type_argv [i] = &mono_defaults.object_class->byval_arg;
4409 type_argv [i] = inst->type_argv [i];
4412 shared_context.method_inst = mono_metadata_get_generic_inst (inst->type_argc, type_argv);
4416 if (method->is_generic || method->klass->generic_container)
4417 declaring_method = method;
4419 declaring_method = mono_method_get_declaring_generic_method (method);
4421 method = mono_class_inflate_generic_method_checked (declaring_method, &shared_context, &error);
4422 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4426 * If the method is fully sharable, it was already added in place of its
4427 * generic definition.
4429 if (mono_method_is_generic_sharable_full (method, FALSE, FALSE, FALSE))
4433 * FIXME: Partially shared methods are not shared here, so we end up with
4434 * many identical methods.
4436 add_extra_method (acfg, method);
4439 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPESPEC].rows; ++i) {
4443 token = MONO_TOKEN_TYPE_SPEC | (i + 1);
4445 klass = mono_class_get_checked (acfg->image, token, &error);
4446 if (!klass || klass->rank) {
4447 mono_error_cleanup (&error);
4451 add_generic_class (acfg, klass, FALSE, "typespec");
4454 /* Add types of args/locals */
4455 for (i = 0; i < acfg->methods->len; ++i) {
4456 method = g_ptr_array_index (acfg->methods, i);
4457 add_types_from_method_header (acfg, method);
4460 if (acfg->image == mono_defaults.corlib) {
4462 MonoType *insts [256];
4465 insts [ninsts ++] = &mono_defaults.byte_class->byval_arg;
4466 insts [ninsts ++] = &mono_defaults.sbyte_class->byval_arg;
4467 insts [ninsts ++] = &mono_defaults.int16_class->byval_arg;
4468 insts [ninsts ++] = &mono_defaults.uint16_class->byval_arg;
4469 insts [ninsts ++] = &mono_defaults.int32_class->byval_arg;
4470 insts [ninsts ++] = &mono_defaults.uint32_class->byval_arg;
4471 insts [ninsts ++] = &mono_defaults.int64_class->byval_arg;
4472 insts [ninsts ++] = &mono_defaults.uint64_class->byval_arg;
4473 insts [ninsts ++] = &mono_defaults.single_class->byval_arg;
4474 insts [ninsts ++] = &mono_defaults.double_class->byval_arg;
4475 insts [ninsts ++] = &mono_defaults.char_class->byval_arg;
4476 insts [ninsts ++] = &mono_defaults.boolean_class->byval_arg;
4478 /* Add GenericComparer<T> instances for primitive types for Enum.ToString () */
4479 klass = mono_class_from_name (acfg->image, "System.Collections.Generic", "GenericComparer`1");
4481 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4482 klass = mono_class_from_name (acfg->image, "System.Collections.Generic", "GenericEqualityComparer`1");
4484 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4486 /* Add instances of the array generic interfaces for primitive types */
4487 /* This will add instances of the InternalArray_ helper methods in Array too */
4488 klass = mono_class_from_name (acfg->image, "System.Collections.Generic", "ICollection`1");
4490 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4491 klass = mono_class_from_name (acfg->image, "System.Collections.Generic", "IList`1");
4493 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4494 klass = mono_class_from_name (acfg->image, "System.Collections.Generic", "IEnumerable`1");
4496 add_instances_of (acfg, klass, insts, ninsts, TRUE);
4499 * Add a managed-to-native wrapper of Array.GetGenericValueImpl<object>, which is
4500 * used for all instances of GetGenericValueImpl by the AOT runtime.
4503 MonoGenericContext ctx;
4504 MonoType *args [16];
4505 MonoMethod *get_method;
4506 MonoClass *array_klass = mono_array_class_get (mono_defaults.object_class, 1)->parent;
4508 get_method = mono_class_get_method_from_name (array_klass, "GetGenericValueImpl", 2);
4512 memset (&ctx, 0, sizeof (ctx));
4513 args [0] = &mono_defaults.object_class->byval_arg;
4514 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4515 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (get_method, &ctx, &error), TRUE, TRUE));
4516 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4520 /* Same for CompareExchange<T>/Exchange<T> */
4522 MonoGenericContext ctx;
4523 MonoType *args [16];
4525 MonoClass *interlocked_klass = mono_class_from_name (mono_defaults.corlib, "System.Threading", "Interlocked");
4526 gpointer iter = NULL;
4528 while ((m = mono_class_get_methods (interlocked_klass, &iter))) {
4529 if ((!strcmp (m->name, "CompareExchange") || !strcmp (m->name, "Exchange")) && m->is_generic) {
4531 memset (&ctx, 0, sizeof (ctx));
4532 args [0] = &mono_defaults.object_class->byval_arg;
4533 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4534 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m, &ctx, &error), TRUE, TRUE));
4535 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4540 /* Same for Volatile.Read/Write<T> */
4542 MonoGenericContext ctx;
4543 MonoType *args [16];
4545 MonoClass *volatile_klass = mono_class_from_name (mono_defaults.corlib, "System.Threading", "Volatile");
4546 gpointer iter = NULL;
4548 if (volatile_klass) {
4549 while ((m = mono_class_get_methods (volatile_klass, &iter))) {
4550 if ((!strcmp (m->name, "Read") || !strcmp (m->name, "Write")) && m->is_generic) {
4552 memset (&ctx, 0, sizeof (ctx));
4553 args [0] = &mono_defaults.object_class->byval_arg;
4554 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
4555 add_extra_method (acfg, mono_marshal_get_native_wrapper (mono_class_inflate_generic_method_checked (m, &ctx, &error), TRUE, TRUE));
4556 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
4565 * is_direct_callable:
4567 * Return whenever the method identified by JI is directly callable without
4568 * going through the PLT.
4571 is_direct_callable (MonoAotCompile *acfg, MonoMethod *method, MonoJumpInfo *patch_info)
4573 if ((patch_info->type == MONO_PATCH_INFO_METHOD) && (patch_info->data.method->klass->image == acfg->image)) {
4574 MonoCompile *callee_cfg = g_hash_table_lookup (acfg->method_to_cfg, patch_info->data.method);
4576 gboolean direct_callable = TRUE;
4578 if (direct_callable && !(!callee_cfg->has_got_slots && (callee_cfg->method->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT)))
4579 direct_callable = FALSE;
4580 if ((callee_cfg->method->iflags & METHOD_IMPL_ATTRIBUTE_SYNCHRONIZED) && (!method || method->wrapper_type != MONO_WRAPPER_SYNCHRONIZED))
4581 // FIXME: Maybe call the wrapper directly ?
4582 direct_callable = FALSE;
4584 if (acfg->aot_opts.soft_debug || acfg->aot_opts.no_direct_calls) {
4585 /* Disable this so all calls go through load_method (), see the
4586 * mini_get_debug_options ()->load_aot_jit_info_eagerly = TRUE; line in
4587 * mono_debugger_agent_init ().
4589 direct_callable = FALSE;
4592 if (callee_cfg->method->wrapper_type == MONO_WRAPPER_ALLOC)
4593 /* sgen does some initialization when the allocator method is created */
4594 direct_callable = FALSE;
4595 if (callee_cfg->method->wrapper_type == MONO_WRAPPER_WRITE_BARRIER)
4596 /* we don't know at compile time whether sgen is concurrent or not */
4597 direct_callable = FALSE;
4599 if (direct_callable)
4602 } else if ((patch_info->type == MONO_PATCH_INFO_ICALL_ADDR && patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL)) {
4603 if (acfg->aot_opts.direct_pinvoke)
4605 } else if (patch_info->type == MONO_PATCH_INFO_ICALL_ADDR) {
4606 if (acfg->aot_opts.direct_icalls)
4614 #ifdef MONO_ARCH_AOT_SUPPORTED
4616 get_pinvoke_import (MonoAotCompile *acfg, MonoMethod *method)
4618 MonoImage *image = method->klass->image;
4619 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
4620 MonoTableInfo *tables = image->tables;
4621 MonoTableInfo *im = &tables [MONO_TABLE_IMPLMAP];
4622 MonoTableInfo *mr = &tables [MONO_TABLE_MODULEREF];
4623 guint32 im_cols [MONO_IMPLMAP_SIZE];
4626 import = g_hash_table_lookup (acfg->method_to_pinvoke_import, method);
4630 if (!piinfo->implmap_idx || piinfo->implmap_idx > im->rows)
4633 mono_metadata_decode_row (im, piinfo->implmap_idx - 1, im_cols, MONO_IMPLMAP_SIZE);
4635 if (!im_cols [MONO_IMPLMAP_SCOPE] || im_cols [MONO_IMPLMAP_SCOPE] > mr->rows)
4638 import = g_strdup_printf ("%s", mono_metadata_string_heap (image, im_cols [MONO_IMPLMAP_NAME]));
4640 g_hash_table_insert (acfg->method_to_pinvoke_import, method, import);
4647 compare_lne (MonoDebugLineNumberEntry *a, MonoDebugLineNumberEntry *b)
4649 if (a->native_offset == b->native_offset)
4650 return a->il_offset - b->il_offset;
4652 return a->native_offset - b->native_offset;
4656 * compute_line_numbers:
4658 * Returns a sparse array of size CODE_SIZE containing MonoDebugSourceLocation* entries for the native offsets which have a corresponding line number
4661 static MonoDebugSourceLocation**
4662 compute_line_numbers (MonoMethod *method, int code_size, MonoDebugMethodJitInfo *debug_info)
4664 MonoDebugMethodInfo *minfo;
4665 MonoDebugLineNumberEntry *ln_array;
4666 MonoDebugSourceLocation *loc;
4667 int i, prev_line, prev_il_offset;
4668 int *native_to_il_offset = NULL;
4669 MonoDebugSourceLocation **res;
4672 minfo = mono_debug_lookup_method (method);
4675 // FIXME: This seems to happen when two methods have the same cfg->method_to_register
4676 if (debug_info->code_size != code_size)
4679 g_assert (code_size);
4681 /* Compute the native->IL offset mapping */
4683 ln_array = g_new0 (MonoDebugLineNumberEntry, debug_info->num_line_numbers);
4684 memcpy (ln_array, debug_info->line_numbers, debug_info->num_line_numbers * sizeof (MonoDebugLineNumberEntry));
4686 qsort (ln_array, debug_info->num_line_numbers, sizeof (MonoDebugLineNumberEntry), (gpointer)compare_lne);
4688 native_to_il_offset = g_new0 (int, code_size + 1);
4690 for (i = 0; i < debug_info->num_line_numbers; ++i) {
4692 MonoDebugLineNumberEntry *lne = &ln_array [i];
4695 for (j = 0; j < lne->native_offset; ++j)
4696 native_to_il_offset [j] = -1;
4699 if (i < debug_info->num_line_numbers - 1) {
4700 MonoDebugLineNumberEntry *lne_next = &ln_array [i + 1];
4702 for (j = lne->native_offset; j < lne_next->native_offset; ++j)
4703 native_to_il_offset [j] = lne->il_offset;
4705 for (j = lne->native_offset; j < code_size; ++j)
4706 native_to_il_offset [j] = lne->il_offset;
4711 /* Compute the native->line number mapping */
4712 res = g_new0 (MonoDebugSourceLocation*, code_size);
4713 prev_il_offset = -1;
4716 for (i = 0; i < code_size; ++i) {
4717 int il_offset = native_to_il_offset [i];
4719 if (il_offset == -1 || il_offset == prev_il_offset)
4721 prev_il_offset = il_offset;
4722 loc = mono_debug_symfile_lookup_location (minfo, il_offset);
4723 if (!(loc && loc->source_file))
4725 if (loc->row == prev_line) {
4726 mono_debug_symfile_free_location (loc);
4729 prev_line = loc->row;
4730 //printf ("D: %s:%d il=%x native=%x\n", loc->source_file, loc->row, il_offset, i);
4732 /* This will cover the prolog too */
4742 get_file_index (MonoAotCompile *acfg, const char *source_file)
4746 // FIXME: Free these
4747 if (!acfg->dwarf_ln_filenames)
4748 acfg->dwarf_ln_filenames = g_hash_table_new (g_str_hash, g_str_equal);
4749 findex = GPOINTER_TO_INT (g_hash_table_lookup (acfg->dwarf_ln_filenames, source_file));
4751 findex = g_hash_table_size (acfg->dwarf_ln_filenames) + 1;
4752 g_hash_table_insert (acfg->dwarf_ln_filenames, g_strdup (source_file), GINT_TO_POINTER (findex));
4753 emit_unset_mode (acfg);
4754 fprintf (acfg->fp, ".file %d \"%s\"\n", findex, mono_dwarf_escape_path (source_file));
4766 * emit_and_reloc_code:
4768 * Emit the native code in CODE, handling relocations along the way. If GOT_ONLY
4769 * is true, calls are made through the GOT too. This is used for emitting trampolines
4770 * in full-aot mode, since calls made from trampolines couldn't go through the PLT,
4771 * since trampolines are needed to make PTL work.
4774 emit_and_reloc_code (MonoAotCompile *acfg, MonoMethod *method, guint8 *code, guint32 code_len, MonoJumpInfo *relocs, gboolean got_only, MonoDebugMethodJitInfo *debug_info)
4776 int i, pindex, start_index;
4778 MonoJumpInfo *patch_info;
4779 MonoDebugSourceLocation **locs = NULL;
4781 #ifdef MONO_ARCH_AOT_SUPPORTED
4782 gboolean direct_call, external_call;
4784 const char *direct_call_target = 0;
4785 const char *direct_pinvoke;
4788 if (acfg->gas_line_numbers && method && debug_info) {
4789 locs = compute_line_numbers (method, code_len, debug_info);
4791 int findex = get_file_index (acfg, "<unknown>");
4792 emit_unset_mode (acfg);
4793 fprintf (acfg->fp, ".loc %d %d 0\n", findex, 1);
4797 /* Collect and sort relocations */
4798 patches = g_ptr_array_new ();
4799 for (patch_info = relocs; patch_info; patch_info = patch_info->next)
4800 g_ptr_array_add (patches, patch_info);
4801 g_ptr_array_sort (patches, compare_patches);
4804 for (i = 0; i < code_len; i += INST_LEN) {
4806 for (pindex = start_index; pindex < patches->len; ++pindex) {
4807 patch_info = g_ptr_array_index (patches, pindex);
4808 if (patch_info->ip.i >= i)
4812 if (locs && locs [i]) {
4813 MonoDebugSourceLocation *loc = locs [i];
4816 findex = get_file_index (acfg, loc->source_file);
4817 emit_unset_mode (acfg);
4818 fprintf (acfg->fp, ".loc %d %d 0\n", findex, loc->row);
4819 mono_debug_symfile_free_location (loc);
4823 #ifdef MONO_ARCH_AOT_SUPPORTED
4824 if (patch_info && (patch_info->ip.i == i) && (pindex < patches->len)) {
4825 start_index = pindex;
4827 switch (patch_info->type) {
4828 case MONO_PATCH_INFO_NONE:
4830 case MONO_PATCH_INFO_GOT_OFFSET: {
4833 arch_emit_got_offset (acfg, code + i, &code_size);
4834 i += code_size - INST_LEN;
4836 patch_info->type = MONO_PATCH_INFO_NONE;
4839 case MONO_PATCH_INFO_OBJC_SELECTOR_REF: {
4840 int code_size, index;
4841 char *selector = (void*)patch_info->data.target;
4843 if (!acfg->objc_selector_to_index)
4844 acfg->objc_selector_to_index = g_hash_table_new (g_str_hash, g_str_equal);
4845 if (!acfg->objc_selectors)
4846 acfg->objc_selectors = g_ptr_array_new ();
4847 index = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->objc_selector_to_index, selector));
4851 index = acfg->objc_selector_index;
4852 g_ptr_array_add (acfg->objc_selectors, (void*)patch_info->data.target);
4853 g_hash_table_insert (acfg->objc_selector_to_index, selector, GUINT_TO_POINTER (index + 1));
4854 acfg->objc_selector_index ++;
4857 arch_emit_objc_selector_ref (acfg, code + i, index, &code_size);
4858 i += code_size - INST_LEN;
4860 patch_info->type = MONO_PATCH_INFO_NONE;
4865 * If this patch is a call, try emitting a direct call instead of
4866 * through a PLT entry. This is possible if the called method is in
4867 * the same assembly and requires no initialization.
4869 direct_call = FALSE;
4870 external_call = FALSE;
4871 if ((patch_info->type == MONO_PATCH_INFO_METHOD) && (patch_info->data.method->klass->image == acfg->image)) {
4872 if (!got_only && is_direct_callable (acfg, method, patch_info)) {
4873 MonoCompile *callee_cfg = g_hash_table_lookup (acfg->method_to_cfg, patch_info->data.method);
4874 //printf ("DIRECT: %s %s\n", method ? mono_method_full_name (method, TRUE) : "", mono_method_full_name (callee_cfg->method, TRUE));
4876 direct_call_target = callee_cfg->asm_symbol;
4877 patch_info->type = MONO_PATCH_INFO_NONE;
4878 acfg->stats.direct_calls ++;
4881 acfg->stats.all_calls ++;
4882 } else if (patch_info->type == MONO_PATCH_INFO_ICALL_ADDR) {
4883 if (!got_only && is_direct_callable (acfg, method, patch_info)) {
4884 if (!(patch_info->data.method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
4885 direct_pinvoke = mono_lookup_icall_symbol (patch_info->data.method);
4887 direct_pinvoke = get_pinvoke_import (acfg, patch_info->data.method);
4888 if (direct_pinvoke) {
4890 g_assert (strlen (direct_pinvoke) < 1000);
4891 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, direct_pinvoke);
4894 } else if (patch_info->type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
4895 const char *sym = mono_lookup_jit_icall_symbol (patch_info->data.name);
4896 if (!got_only && sym && acfg->aot_opts.direct_icalls) {
4897 /* Call to a C function implementing a jit icall */
4899 external_call = TRUE;
4900 g_assert (strlen (sym) < 1000);
4901 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, sym);
4903 } else if (patch_info->type == MONO_PATCH_INFO_INTERNAL_METHOD) {
4904 MonoJitICallInfo *info = mono_find_jit_icall_by_name (patch_info->data.name);
4905 const char *sym = mono_lookup_jit_icall_symbol (patch_info->data.name);
4906 if (!got_only && sym && acfg->aot_opts.direct_icalls && info->func == info->wrapper) {
4907 /* Call to a jit icall without a wrapper */
4909 external_call = TRUE;
4910 g_assert (strlen (sym) < 1000);
4911 direct_call_target = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, sym);
4916 patch_info->type = MONO_PATCH_INFO_NONE;
4917 acfg->stats.direct_calls ++;
4920 if (!got_only && !direct_call) {
4921 MonoPltEntry *plt_entry = get_plt_entry (acfg, patch_info);
4923 /* This patch has a PLT entry, so we must emit a call to the PLT entry */
4925 direct_call_target = plt_entry->symbol;
4927 /* Nullify the patch */
4928 patch_info->type = MONO_PATCH_INFO_NONE;
4929 plt_entry->jit_used = TRUE;
4936 arch_emit_direct_call (acfg, direct_call_target, external_call, FALSE, patch_info, &call_size);
4937 i += call_size - INST_LEN;
4941 got_slot = get_got_offset (acfg, FALSE, patch_info);
4943 arch_emit_got_access (acfg, acfg->got_symbol, code + i, got_slot, &code_size);
4944 i += code_size - INST_LEN;
4950 #endif /* MONO_ARCH_AOT_SUPPORTED */
4953 /* Find next patch */
4955 for (pindex = start_index; pindex < patches->len; ++pindex) {
4956 patch_info = g_ptr_array_index (patches, pindex);
4957 if (patch_info->ip.i >= i)
4961 /* Try to emit multiple bytes at once */
4962 if (pindex < patches->len && patch_info->ip.i > i) {
4965 for (limit = i + INST_LEN; limit < patch_info->ip.i; limit += INST_LEN) {
4966 if (locs && locs [limit])
4970 emit_code_bytes (acfg, code + i, limit - i);
4971 i = limit - INST_LEN;
4973 emit_code_bytes (acfg, code + i, INST_LEN);
4984 * Return a modified version of S which only includes characters permissible in symbols.
4987 sanitize_symbol (MonoAotCompile *acfg, char *s)
4989 gboolean process = FALSE;
4998 for (i = 0; i < len; ++i)
4999 if (!(s [i] <= 0x7f && (isalnum (s [i]) || s [i] == '_')))
5004 gs = g_string_sized_new (len);
5005 for (i = 0; i < len; ++i) {
5007 if (c <= 0x7f && (isalnum (c) || c == '_')) {
5008 g_string_append_c (gs, c);
5009 } else if (c > 0x7f) {
5010 /* multi-byte utf8 */
5011 g_string_append_printf (gs, "_0x%x", c);
5014 while (c >> 6 == 0x2) {
5015 g_string_append_printf (gs, "%x", c);
5019 g_string_append_printf (gs, "_");
5022 g_string_append_c (gs, '_');
5026 res = mono_mempool_strdup (acfg->mempool, gs->str);
5027 g_string_free (gs, TRUE);
5032 get_debug_sym (MonoMethod *method, const char *prefix, GHashTable *cache)
5034 char *name1, *name2, *cached;
5035 int i, j, len, count;
5036 MonoMethod *cached_method;
5038 name1 = mono_method_full_name (method, TRUE);
5041 // This is so that we don't accidentally create a local symbol (which starts with 'L')
5042 if ((!prefix || !*prefix) && name1 [0] == 'L')
5046 len = strlen (name1);
5047 name2 = malloc (strlen (prefix) + len + 16);
5048 memcpy (name2, prefix, strlen (prefix));
5049 j = strlen (prefix);
5050 for (i = 0; i < len; ++i) {
5051 if (i == 0 && name1 [0] >= '0' && name1 [0] <= '9') {
5053 } else if (isalnum (name1 [i])) {
5054 name2 [j ++] = name1 [i];
5055 } else if (name1 [i] == ' ' && name1 [i + 1] == '(' && name1 [i + 2] == ')') {
5057 } else if (name1 [i] == ',' && name1 [i + 1] == ' ') {
5060 } else if (name1 [i] == '(' || name1 [i] == ')' || name1 [i] == '>') {
5070 cached_method = g_hash_table_lookup (cache, name2);
5071 if (!(cached_method && cached_method != method))
5073 sprintf (name2 + j, "_%d", count);
5077 cached = g_strdup (name2);
5078 g_hash_table_insert (cache, cached, method);
5084 emit_method_code (MonoAotCompile *acfg, MonoCompile *cfg)
5089 char *debug_sym = NULL;
5090 char *symbol = NULL;
5091 int func_alignment = AOT_FUNC_ALIGNMENT;
5094 method = cfg->orig_method;
5095 code = cfg->native_code;
5097 method_index = get_method_index (acfg, method);
5098 symbol = g_strdup_printf ("%sme_%x", acfg->temp_prefix, method_index);
5100 /* Make the labels local */
5101 emit_section_change (acfg, ".text", 0);
5102 emit_alignment_code (acfg, func_alignment);
5104 if (acfg->global_symbols && acfg->need_no_dead_strip)
5105 fprintf (acfg->fp, " .no_dead_strip %s\n", cfg->asm_symbol);
5107 emit_label (acfg, cfg->asm_symbol);
5109 if (acfg->aot_opts.write_symbols && !acfg->global_symbols && !acfg->llvm) {
5111 * Write a C style symbol for every method, this has two uses:
5112 * - it works on platforms where the dwarf debugging info is not
5114 * - it allows the setting of breakpoints of aot-ed methods.
5116 debug_sym = get_debug_sym (method, "", acfg->method_label_hash);
5117 cfg->asm_debug_symbol = g_strdup (debug_sym);
5119 if (acfg->need_no_dead_strip)
5120 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
5121 emit_local_symbol (acfg, debug_sym, symbol, TRUE);
5122 emit_label (acfg, debug_sym);
5125 export_name = g_hash_table_lookup (acfg->export_names, method);
5127 /* Emit a global symbol for the method */
5128 emit_global_inner (acfg, export_name, TRUE);
5129 emit_label (acfg, export_name);
5132 if (cfg->verbose_level > 0)
5133 g_print ("Method %s emitted as %s\n", mono_method_full_name (method, TRUE), cfg->asm_symbol);
5135 acfg->stats.code_size += cfg->code_len;
5137 acfg->cfgs [method_index]->got_offset = acfg->got_offset;
5139 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 ()));
5143 if (acfg->aot_opts.write_symbols) {
5145 emit_symbol_size (acfg, debug_sym, ".");
5147 emit_symbol_size (acfg, cfg->asm_symbol, ".");
5151 emit_label (acfg, symbol);
5158 * Encode PATCH_INFO into its disk representation.
5161 encode_patch (MonoAotCompile *acfg, MonoJumpInfo *patch_info, guint8 *buf, guint8 **endbuf)
5165 switch (patch_info->type) {
5166 case MONO_PATCH_INFO_NONE:
5168 case MONO_PATCH_INFO_IMAGE:
5169 encode_value (get_image_index (acfg, patch_info->data.image), p, &p);
5171 case MONO_PATCH_INFO_MSCORLIB_GOT_ADDR:
5172 case MONO_PATCH_INFO_JIT_TLS_ID:
5173 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
5174 case MONO_PATCH_INFO_GC_NURSERY_START:
5175 case MONO_PATCH_INFO_GC_NURSERY_BITS:
5177 case MONO_PATCH_INFO_CASTCLASS_CACHE:
5178 encode_value (patch_info->data.index, p, &p);
5180 case MONO_PATCH_INFO_METHOD_REL:
5181 encode_value ((gint)patch_info->data.offset, p, &p);
5183 case MONO_PATCH_INFO_SWITCH: {
5184 gpointer *table = (gpointer *)patch_info->data.table->table;
5187 encode_value (patch_info->data.table->table_size, p, &p);
5188 for (k = 0; k < patch_info->data.table->table_size; k++)
5189 encode_value ((int)(gssize)table [k], p, &p);
5192 case MONO_PATCH_INFO_METHODCONST:
5193 case MONO_PATCH_INFO_METHOD:
5194 case MONO_PATCH_INFO_METHOD_JUMP:
5195 case MONO_PATCH_INFO_ICALL_ADDR:
5196 case MONO_PATCH_INFO_METHOD_RGCTX:
5197 case MONO_PATCH_INFO_METHOD_CODE_SLOT:
5198 encode_method_ref (acfg, patch_info->data.method, p, &p);
5200 case MONO_PATCH_INFO_AOT_JIT_INFO:
5201 encode_value (patch_info->data.index, p, &p);
5203 case MONO_PATCH_INFO_INTERNAL_METHOD:
5204 case MONO_PATCH_INFO_JIT_ICALL_ADDR: {
5205 guint32 len = strlen (patch_info->data.name);
5207 encode_value (len, p, &p);
5209 memcpy (p, patch_info->data.name, len);
5214 case MONO_PATCH_INFO_LDSTR: {
5215 guint32 image_index = get_image_index (acfg, patch_info->data.token->image);
5216 guint32 token = patch_info->data.token->token;
5217 g_assert (mono_metadata_token_code (token) == MONO_TOKEN_STRING);
5218 encode_value (image_index, p, &p);
5219 encode_value (patch_info->data.token->token - MONO_TOKEN_STRING, p, &p);
5222 case MONO_PATCH_INFO_RVA:
5223 case MONO_PATCH_INFO_DECLSEC:
5224 case MONO_PATCH_INFO_LDTOKEN:
5225 case MONO_PATCH_INFO_TYPE_FROM_HANDLE:
5226 encode_value (get_image_index (acfg, patch_info->data.token->image), p, &p);
5227 encode_value (patch_info->data.token->token, p, &p);
5228 encode_value (patch_info->data.token->has_context, p, &p);
5229 if (patch_info->data.token->has_context)
5230 encode_generic_context (acfg, &patch_info->data.token->context, p, &p);
5232 case MONO_PATCH_INFO_EXC_NAME: {
5233 MonoClass *ex_class;
5236 mono_class_from_name (mono_defaults.exception_class->image,
5237 "System", patch_info->data.target);
5238 g_assert (ex_class);
5239 encode_klass_ref (acfg, ex_class, p, &p);
5242 case MONO_PATCH_INFO_R4:
5243 encode_value (*((guint32 *)patch_info->data.target), p, &p);
5245 case MONO_PATCH_INFO_R8:
5246 encode_value (((guint32 *)patch_info->data.target) [MINI_LS_WORD_IDX], p, &p);
5247 encode_value (((guint32 *)patch_info->data.target) [MINI_MS_WORD_IDX], p, &p);
5249 case MONO_PATCH_INFO_VTABLE:
5250 case MONO_PATCH_INFO_CLASS:
5251 case MONO_PATCH_INFO_IID:
5252 case MONO_PATCH_INFO_ADJUSTED_IID:
5253 encode_klass_ref (acfg, patch_info->data.klass, p, &p);
5255 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE:
5256 encode_klass_ref (acfg, patch_info->data.del_tramp->klass, p, &p);
5257 if (patch_info->data.del_tramp->method) {
5258 encode_value (1, p, &p);
5259 encode_method_ref (acfg, patch_info->data.del_tramp->method, p, &p);
5261 encode_value (0, p, &p);
5263 encode_value (patch_info->data.del_tramp->is_virtual, p, &p);
5265 case MONO_PATCH_INFO_FIELD:
5266 case MONO_PATCH_INFO_SFLDA:
5267 encode_field_info (acfg, patch_info->data.field, p, &p);
5269 case MONO_PATCH_INFO_INTERRUPTION_REQUEST_FLAG:
5271 case MONO_PATCH_INFO_RGCTX_FETCH:
5272 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
5273 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
5278 * entry->method has a lenghtly encoding and multiple rgctx_fetch entries
5279 * reference the same method, so encode the method only once.
5281 offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_blob_hash, entry->method));
5283 buf2 = g_malloc (1024);
5286 encode_method_ref (acfg, entry->method, p2, &p2);
5287 g_assert (p2 - buf2 < 1024);
5289 offset = add_to_blob (acfg, buf2, p2 - buf2);
5292 g_hash_table_insert (acfg->method_blob_hash, entry->method, GUINT_TO_POINTER (offset + 1));
5297 encode_value (offset, p, &p);
5298 g_assert ((int)entry->info_type < 256);
5299 g_assert (entry->data->type < 256);
5300 encode_value ((entry->in_mrgctx ? 1 : 0) | (entry->info_type << 1) | (entry->data->type << 9), p, &p);
5301 encode_patch (acfg, entry->data, p, &p);
5304 case MONO_PATCH_INFO_SEQ_POINT_INFO:
5305 case MONO_PATCH_INFO_AOT_MODULE:
5307 case MONO_PATCH_INFO_LLVM_IMT_TRAMPOLINE:
5308 encode_method_ref (acfg, patch_info->data.imt_tramp->method, p, &p);
5309 encode_value (patch_info->data.imt_tramp->vt_offset, p, &p);
5311 case MONO_PATCH_INFO_SIGNATURE:
5312 encode_signature (acfg, (MonoMethodSignature*)patch_info->data.target, p, &p);
5314 case MONO_PATCH_INFO_TLS_OFFSET:
5315 encode_value (GPOINTER_TO_INT (patch_info->data.target), p, &p);
5317 case MONO_PATCH_INFO_GSHAREDVT_CALL:
5318 encode_signature (acfg, (MonoMethodSignature*)patch_info->data.gsharedvt->sig, p, &p);
5319 encode_method_ref (acfg, patch_info->data.gsharedvt->method, p, &p);
5321 case MONO_PATCH_INFO_GSHAREDVT_METHOD: {
5322 MonoGSharedVtMethodInfo *info = patch_info->data.gsharedvt_method;
5325 encode_method_ref (acfg, info->method, p, &p);
5326 encode_value (info->num_entries, p, &p);
5327 for (i = 0; i < info->num_entries; ++i) {
5328 MonoRuntimeGenericContextInfoTemplate *template = &info->entries [i];
5330 encode_value (template->info_type, p, &p);
5331 switch (mini_rgctx_info_type_to_patch_info_type (template->info_type)) {
5332 case MONO_PATCH_INFO_CLASS:
5333 encode_klass_ref (acfg, mono_class_from_mono_type (template->data), p, &p);
5335 case MONO_PATCH_INFO_FIELD:
5336 encode_field_info (acfg, template->data, p, &p);
5339 g_assert_not_reached ();
5345 case MONO_PATCH_INFO_LDSTR_LIT: {
5346 const char *s = patch_info->data.target;
5347 int len = strlen (s);
5349 encode_value (len, p, &p);
5350 memcpy (p, s, len + 1);
5354 case MONO_PATCH_INFO_VIRT_METHOD:
5355 encode_klass_ref (acfg, patch_info->data.virt_method->klass, p, &p);
5356 encode_method_ref (acfg, patch_info->data.virt_method->method, p, &p);
5358 case MONO_PATCH_INFO_GC_SAFE_POINT_FLAG:
5361 g_warning ("unable to handle jump info %d", patch_info->type);
5362 g_assert_not_reached ();
5369 encode_patch_list (MonoAotCompile *acfg, GPtrArray *patches, int n_patches, gboolean llvm, int first_got_offset, guint8 *buf, guint8 **endbuf)
5372 guint32 pindex, offset;
5373 MonoJumpInfo *patch_info;
5375 encode_value (n_patches, p, &p);
5377 for (pindex = 0; pindex < patches->len; ++pindex) {
5378 patch_info = g_ptr_array_index (patches, pindex);
5380 if (patch_info->type == MONO_PATCH_INFO_NONE || patch_info->type == MONO_PATCH_INFO_BB)
5384 offset = get_got_offset (acfg, llvm, patch_info);
5385 encode_value (offset, p, &p);
5392 emit_method_info (MonoAotCompile *acfg, MonoCompile *cfg)
5395 int pindex, buf_size, n_patches;
5397 MonoJumpInfo *patch_info;
5398 guint32 method_index;
5400 guint32 first_got_offset;
5402 method = cfg->orig_method;
5404 method_index = get_method_index (acfg, method);
5406 /* Sort relocations */
5407 patches = g_ptr_array_new ();
5408 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next)
5409 g_ptr_array_add (patches, patch_info);
5410 g_ptr_array_sort (patches, compare_patches);
5412 first_got_offset = acfg->cfgs [method_index]->got_offset;
5414 /**********************/
5415 /* Encode method info */
5416 /**********************/
5418 buf_size = (patches->len < 1000) ? 40960 : 40960 + (patches->len * 64);
5419 p = buf = g_malloc (buf_size);
5421 if (mono_class_get_cctor (method->klass))
5422 encode_klass_ref (acfg, method->klass, p, &p);
5424 /* Not needed when loading the method */
5425 encode_value (0, p, &p);
5427 g_assert (!(cfg->opt & MONO_OPT_SHARED));
5430 for (pindex = 0; pindex < patches->len; ++pindex) {
5431 patch_info = g_ptr_array_index (patches, pindex);
5433 if ((patch_info->type == MONO_PATCH_INFO_GOT_OFFSET) ||
5434 (patch_info->type == MONO_PATCH_INFO_NONE)) {
5435 patch_info->type = MONO_PATCH_INFO_NONE;
5440 if ((patch_info->type == MONO_PATCH_INFO_IMAGE) && (patch_info->data.image == acfg->image)) {
5441 /* Stored in a GOT slot initialized at module load time */
5442 patch_info->type = MONO_PATCH_INFO_NONE;
5446 if (patch_info->type == MONO_PATCH_INFO_GC_CARD_TABLE_ADDR ||
5447 patch_info->type == MONO_PATCH_INFO_GC_NURSERY_START ||
5448 patch_info->type == MONO_PATCH_INFO_GC_NURSERY_BITS ||
5449 patch_info->type == MONO_PATCH_INFO_AOT_MODULE) {
5450 /* Stored in a GOT slot initialized at module load time */
5451 patch_info->type = MONO_PATCH_INFO_NONE;
5455 if (is_plt_patch (patch_info) && !(cfg->compile_llvm && acfg->aot_opts.llvm_only)) {
5456 /* Calls are made through the PLT */
5457 patch_info->type = MONO_PATCH_INFO_NONE;
5465 g_assert (cfg->has_got_slots);
5467 encode_patch_list (acfg, patches, n_patches, cfg->compile_llvm, first_got_offset, p, &p);
5469 acfg->stats.info_size += p - buf;
5471 g_assert (p - buf < buf_size);
5473 cfg->method_info_offset = add_to_blob (acfg, buf, p - buf);
5478 get_unwind_info_offset (MonoAotCompile *acfg, guint8 *encoded, guint32 encoded_len)
5480 guint32 cache_index;
5483 /* Reuse the unwind module to canonize and store unwind info entries */
5484 cache_index = mono_cache_unwind_info (encoded, encoded_len);
5486 /* Use +/- 1 to distinguish 0s from missing entries */
5487 offset = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->unwind_info_offsets, GUINT_TO_POINTER (cache_index + 1)));
5495 * It would be easier to use assembler symbols, but the caller needs an
5498 offset = acfg->unwind_info_offset;
5499 g_hash_table_insert (acfg->unwind_info_offsets, GUINT_TO_POINTER (cache_index + 1), GUINT_TO_POINTER (offset + 1));
5500 g_ptr_array_add (acfg->unwind_ops, GUINT_TO_POINTER (cache_index));
5503 encode_value (encoded_len, p, &p);
5505 acfg->unwind_info_offset += encoded_len + (p - buf);
5511 emit_exception_debug_info (MonoAotCompile *acfg, MonoCompile *cfg, gboolean store_seq_points)
5514 guint32 debug_info_size, seq_points_size;
5516 MonoMethodHeader *header;
5517 guint8 *p, *buf, *debug_info;
5518 MonoJitInfo *jinfo = cfg->jit_info;
5520 gboolean use_unwind_ops = FALSE;
5521 MonoSeqPointInfo *seq_points;
5523 code = cfg->native_code;
5524 header = cfg->header;
5526 if (!acfg->aot_opts.nodebug) {
5527 mono_debug_serialize_debug_info (cfg, &debug_info, &debug_info_size);
5530 debug_info_size = 0;
5533 seq_points = cfg->seq_point_info;
5534 seq_points_size = (store_seq_points)? mono_seq_point_info_get_write_size (seq_points) : 0;
5536 buf_size = header->num_clauses * 256 + debug_info_size + 2048 + seq_points_size + cfg->gc_map_size;
5538 p = buf = g_malloc (buf_size);
5540 use_unwind_ops = cfg->unwind_ops != NULL;
5542 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);
5544 encode_value (flags, p, &p);
5546 if (use_unwind_ops) {
5547 guint32 encoded_len;
5549 guint32 unwind_desc;
5551 encoded = mono_unwind_ops_encode (cfg->unwind_ops, &encoded_len);
5553 unwind_desc = get_unwind_info_offset (acfg, encoded, encoded_len);
5554 encode_value (unwind_desc, p, &p);
5556 encode_value (jinfo->unwind_info, p, &p);
5559 /*Encode the number of holes before the number of clauses to make decoding easier*/
5560 if (jinfo->has_try_block_holes) {
5561 MonoTryBlockHoleTableJitInfo *table = mono_jit_info_get_try_block_hole_table_info (jinfo);
5562 encode_value (table->num_holes, p, &p);
5565 if (jinfo->has_arch_eh_info) {
5567 * In AOT mode, the code length is calculated from the address of the previous method,
5568 * which could include alignment padding, so calculating the start of the epilog as
5569 * code_len - epilog_size is correct any more. Save the real code len as a workaround.
5571 encode_value (jinfo->code_size, p, &p);
5574 /* Exception table */
5575 if (cfg->compile_llvm) {
5577 * When using LLVM, we can't emit some data, like pc offsets, this reg/offset etc.,
5578 * since the information is only available to llc. Instead, we let llc save the data
5579 * into the LSDA, and read it from there at runtime.
5581 /* The assembly might be CIL stripped so emit the data ourselves */
5582 if (header->num_clauses)
5583 encode_value (header->num_clauses, p, &p);
5585 for (k = 0; k < header->num_clauses; ++k) {
5586 MonoExceptionClause *clause;
5588 clause = &header->clauses [k];
5590 encode_value (clause->flags, p, &p);
5591 if (clause->data.catch_class) {
5592 encode_value (1, p, &p);
5593 encode_klass_ref (acfg, clause->data.catch_class, p, &p);
5595 encode_value (0, p, &p);
5598 /* Emit the IL ranges too, since they might not be available at runtime */
5599 encode_value (clause->try_offset, p, &p);
5600 encode_value (clause->try_len, p, &p);
5601 encode_value (clause->handler_offset, p, &p);
5602 encode_value (clause->handler_len, p, &p);
5604 /* Emit a list of nesting clauses */
5605 for (i = 0; i < header->num_clauses; ++i) {
5607 MonoExceptionClause *clause1 = &header->clauses [cindex1];
5609 MonoExceptionClause *clause2 = &header->clauses [cindex2];
5611 if (cindex1 != cindex2 && clause1->try_offset >= clause2->try_offset && clause1->handler_offset <= clause2->handler_offset)
5612 encode_value (i, p, &p);
5614 encode_value (-1, p, &p);
5617 if (jinfo->num_clauses)
5618 encode_value (jinfo->num_clauses, p, &p);
5620 for (k = 0; k < jinfo->num_clauses; ++k) {
5621 MonoJitExceptionInfo *ei = &jinfo->clauses [k];
5623 encode_value (ei->flags, p, &p);
5624 #ifdef MONO_CONTEXT_SET_LLVM_EXC_REG
5625 /* Not used for catch clauses */
5626 if (ei->flags != MONO_EXCEPTION_CLAUSE_NONE)
5627 encode_value (ei->exvar_offset, p, &p);
5629 encode_value (ei->exvar_offset, p, &p);
5632 if (ei->flags == MONO_EXCEPTION_CLAUSE_FILTER || ei->flags == MONO_EXCEPTION_CLAUSE_FINALLY)
5633 encode_value ((gint)((guint8*)ei->data.filter - code), p, &p);
5635 if (ei->data.catch_class) {
5639 buf2 = g_malloc (4096);
5641 encode_klass_ref (acfg, ei->data.catch_class, p2, &p2);
5643 g_assert (len < 4096);
5644 encode_value (len, p, &p);
5645 memcpy (p, buf2, len);
5649 encode_value (0, p, &p);
5653 encode_value ((gint)((guint8*)ei->try_start - code), p, &p);
5654 encode_value ((gint)((guint8*)ei->try_end - code), p, &p);
5655 encode_value ((gint)((guint8*)ei->handler_start - code), p, &p);
5659 if (jinfo->has_try_block_holes) {
5660 MonoTryBlockHoleTableJitInfo *table = mono_jit_info_get_try_block_hole_table_info (jinfo);
5661 for (i = 0; i < table->num_holes; ++i) {
5662 MonoTryBlockHoleJitInfo *hole = &table->holes [i];
5663 encode_value (hole->clause, p, &p);
5664 encode_value (hole->length, p, &p);
5665 encode_value (hole->offset, p, &p);
5669 if (jinfo->has_arch_eh_info) {
5670 MonoArchEHJitInfo *eh_info;
5672 eh_info = mono_jit_info_get_arch_eh_info (jinfo);
5673 encode_value (eh_info->stack_size, p, &p);
5674 encode_value (eh_info->epilog_size, p, &p);
5677 if (jinfo->has_generic_jit_info) {
5678 MonoGenericJitInfo *gi = mono_jit_info_get_generic_jit_info (jinfo);
5679 MonoGenericSharingContext* gsctx = gi->generic_sharing_context;
5683 encode_value (gi->nlocs, p, &p);
5685 for (i = 0; i < gi->nlocs; ++i) {
5686 MonoDwarfLocListEntry *entry = &gi->locations [i];
5688 encode_value (entry->is_reg ? 1 : 0, p, &p);
5689 encode_value (entry->reg, p, &p);
5691 encode_value (entry->offset, p, &p);
5693 g_assert (entry->from == 0);
5695 encode_value (entry->from, p, &p);
5696 encode_value (entry->to, p, &p);
5699 if (!cfg->compile_llvm) {
5700 encode_value (gi->has_this ? 1 : 0, p, &p);
5701 encode_value (gi->this_reg, p, &p);
5702 encode_value (gi->this_offset, p, &p);
5707 * Need to encode jinfo->method too, since it is not equal to 'method'
5708 * when using generic sharing.
5710 buf2 = g_malloc (4096);
5712 encode_method_ref (acfg, jinfo->d.method, p2, &p2);
5714 g_assert (len < 4096);
5715 encode_value (len, p, &p);
5716 memcpy (p, buf2, len);
5720 if (gsctx && gsctx->is_gsharedvt) {
5721 encode_value (1, p, &p);
5723 encode_value (0, p, &p);
5727 if (seq_points_size)
5728 p += mono_seq_point_info_write (seq_points, p);
5730 g_assert (debug_info_size < buf_size);
5732 encode_value (debug_info_size, p, &p);
5733 if (debug_info_size) {
5734 memcpy (p, debug_info, debug_info_size);
5735 p += debug_info_size;
5736 g_free (debug_info);
5741 encode_value (cfg->gc_map_size, p, &p);
5742 /* The GC map requires 4 bytes of alignment */
5743 while ((gsize)p % 4)
5745 memcpy (p, cfg->gc_map, cfg->gc_map_size);
5746 p += cfg->gc_map_size;
5749 acfg->stats.ex_info_size += p - buf;
5751 g_assert (p - buf < buf_size);
5754 /* The GC Map requires 4 byte alignment */
5755 cfg->ex_info_offset = add_to_blob_aligned (acfg, buf, p - buf, cfg->gc_map ? 4 : 1);
5760 emit_klass_info (MonoAotCompile *acfg, guint32 token)
5763 MonoClass *klass = mono_class_get_checked (acfg->image, token, &error);
5765 int i, buf_size, res;
5766 gboolean no_special_static, cant_encode;
5767 gpointer iter = NULL;
5770 mono_error_cleanup (&error);
5774 p = buf = g_malloc (buf_size);
5776 /* Mark as unusable */
5777 encode_value (-1, p, &p);
5779 res = add_to_blob (acfg, buf, p - buf);
5785 buf_size = 10240 + (klass->vtable_size * 16);
5786 p = buf = g_malloc (buf_size);
5790 mono_class_init (klass);
5792 mono_class_get_nested_types (klass, &iter);
5793 g_assert (klass->nested_classes_inited);
5795 mono_class_setup_vtable (klass);
5798 * Emit all the information which is required for creating vtables so
5799 * the runtime does not need to create the MonoMethod structures which
5800 * take up a lot of space.
5803 no_special_static = !mono_class_has_special_static_fields (klass);
5805 /* Check whenever we have enough info to encode the vtable */
5806 cant_encode = FALSE;
5807 for (i = 0; i < klass->vtable_size; ++i) {
5808 MonoMethod *cm = klass->vtable [i];
5810 if (cm && mono_method_signature (cm)->is_inflated && !g_hash_table_lookup (acfg->token_info_hash, cm))
5814 mono_class_has_finalizer (klass);
5816 if (klass->generic_container || cant_encode) {
5817 encode_value (-1, p, &p);
5819 encode_value (klass->vtable_size, p, &p);
5820 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);
5821 if (klass->has_cctor)
5822 encode_method_ref (acfg, mono_class_get_cctor (klass), p, &p);
5823 if (klass->has_finalize)
5824 encode_method_ref (acfg, mono_class_get_finalizer (klass), p, &p);
5826 encode_value (klass->instance_size, p, &p);
5827 encode_value (mono_class_data_size (klass), p, &p);
5828 encode_value (klass->packing_size, p, &p);
5829 encode_value (klass->min_align, p, &p);
5831 for (i = 0; i < klass->vtable_size; ++i) {
5832 MonoMethod *cm = klass->vtable [i];
5835 encode_method_ref (acfg, cm, p, &p);
5837 encode_value (0, p, &p);
5841 acfg->stats.class_info_size += p - buf;
5843 g_assert (p - buf < buf_size);
5844 res = add_to_blob (acfg, buf, p - buf);
5851 get_plt_entry_debug_sym (MonoAotCompile *acfg, MonoJumpInfo *ji, GHashTable *cache)
5853 char *debug_sym = NULL;
5856 if (acfg->llvm && llvm_acfg->aot_opts.static_link) {
5857 /* Need to add a prefix to create unique symbols */
5858 prefix = g_strdup_printf ("plt_%s_", acfg->assembly_name_sym);
5860 prefix = g_strdup ("plt_");
5864 case MONO_PATCH_INFO_METHOD:
5865 debug_sym = get_debug_sym (ji->data.method, prefix, cache);
5867 case MONO_PATCH_INFO_INTERNAL_METHOD:
5868 debug_sym = g_strdup_printf ("%s_jit_icall_%s", prefix, ji->data.name);
5870 case MONO_PATCH_INFO_RGCTX_FETCH:
5871 debug_sym = g_strdup_printf ("%s_rgctx_fetch_%d", prefix, acfg->label_generator ++);
5873 case MONO_PATCH_INFO_ICALL_ADDR: {
5874 char *s = get_debug_sym (ji->data.method, "", cache);
5876 debug_sym = g_strdup_printf ("%s_icall_native_%s", prefix, s);
5880 case MONO_PATCH_INFO_JIT_ICALL_ADDR:
5881 debug_sym = g_strdup_printf ("%s_jit_icall_native_%s", prefix, ji->data.name);
5889 return sanitize_symbol (acfg, debug_sym);
5893 * Calls made from AOTed code are routed through a table of jumps similar to the
5894 * ELF PLT (Program Linkage Table). Initially the PLT entries jump to code which transfers
5895 * control to the AOT runtime through a trampoline.
5898 emit_plt (MonoAotCompile *acfg)
5902 if (acfg->aot_opts.llvm_only) {
5903 g_assert (acfg->plt_offset == 1);
5909 emit_section_change (acfg, ".text", 0);
5910 emit_alignment_code (acfg, NACL_SIZE(16, kNaClAlignment));
5911 emit_info_symbol (acfg, "plt");
5912 emit_label (acfg, acfg->plt_symbol);
5914 for (i = 0; i < acfg->plt_offset; ++i) {
5915 char *debug_sym = NULL;
5916 MonoPltEntry *plt_entry = NULL;
5920 * The first plt entry is unused.
5924 plt_entry = g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
5926 debug_sym = plt_entry->debug_sym;
5928 if (acfg->thumb_mixed && !plt_entry->jit_used)
5929 /* Emit only a thumb version */
5932 /* Skip plt entries not actually called */
5933 if (!plt_entry->jit_used && !plt_entry->llvm_used)
5936 if (acfg->llvm && !acfg->thumb_mixed) {
5937 emit_label (acfg, plt_entry->llvm_symbol);
5939 emit_global_inner (acfg, plt_entry->llvm_symbol, TRUE);
5940 #if defined(TARGET_MACH)
5941 fprintf (acfg->fp, ".private_extern %s\n", plt_entry->llvm_symbol);
5947 if (acfg->need_no_dead_strip) {
5948 emit_unset_mode (acfg);
5949 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
5951 emit_local_symbol (acfg, debug_sym, NULL, TRUE);
5952 emit_label (acfg, debug_sym);
5955 emit_label (acfg, plt_entry->symbol);
5957 arch_emit_plt_entry (acfg, acfg->got_symbol, (acfg->plt_got_offset_base + i) * sizeof (gpointer), acfg->plt_got_info_offsets [i]);
5960 emit_symbol_size (acfg, debug_sym, ".");
5963 if (acfg->thumb_mixed) {
5964 /* Make sure the ARM symbols don't alias the thumb ones */
5965 emit_zero_bytes (acfg, 16);
5968 * Emit a separate set of PLT entries using thumb2 which is called by LLVM generated
5971 for (i = 0; i < acfg->plt_offset; ++i) {
5972 char *debug_sym = NULL;
5973 MonoPltEntry *plt_entry = NULL;
5978 plt_entry = g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
5980 /* Skip plt entries not actually called by LLVM code */
5981 if (!plt_entry->llvm_used)
5984 if (acfg->aot_opts.write_symbols) {
5985 if (plt_entry->debug_sym)
5986 debug_sym = g_strdup_printf ("%s_thumb", plt_entry->debug_sym);
5990 #if defined(TARGET_MACH)
5991 fprintf (acfg->fp, " .thumb_func %s\n", debug_sym);
5992 fprintf (acfg->fp, " .no_dead_strip %s\n", debug_sym);
5994 emit_local_symbol (acfg, debug_sym, NULL, TRUE);
5995 emit_label (acfg, debug_sym);
5997 fprintf (acfg->fp, "\n.thumb_func\n");
5999 emit_label (acfg, plt_entry->llvm_symbol);
6002 emit_global_inner (acfg, plt_entry->llvm_symbol, TRUE);
6004 arch_emit_llvm_plt_entry (acfg, acfg->got_symbol, (acfg->plt_got_offset_base + i) * sizeof (gpointer), acfg->plt_got_info_offsets [i]);
6007 emit_symbol_size (acfg, debug_sym, ".");
6013 emit_symbol_size (acfg, acfg->plt_symbol, ".");
6015 emit_info_symbol (acfg, "plt_end");
6019 * emit_trampoline_full:
6021 * If EMIT_TINFO is TRUE, emit additional information which can be used to create a MonoJitInfo for this trampoline by
6022 * create_jit_info_for_trampoline ().
6024 static G_GNUC_UNUSED void
6025 emit_trampoline_full (MonoAotCompile *acfg, int got_offset, MonoTrampInfo *info, gboolean emit_tinfo)
6027 char start_symbol [256];
6028 char end_symbol [256];
6030 guint32 buf_size, info_offset;
6031 MonoJumpInfo *patch_info;
6044 code_size = info->code_size;
6046 unwind_ops = info->unwind_ops;
6048 #ifdef __native_client_codegen__
6049 mono_nacl_fix_patches (code, ji);
6054 sprintf (start_symbol, "%s%s", acfg->user_symbol_prefix, name);
6056 emit_section_change (acfg, ".text", 0);
6057 emit_global (acfg, start_symbol, TRUE);
6058 emit_alignment_code (acfg, AOT_FUNC_ALIGNMENT);
6059 emit_label (acfg, start_symbol);
6061 sprintf (symbol, "%snamed_%s", acfg->temp_prefix, name);
6062 emit_label (acfg, symbol);
6065 * The code should access everything through the GOT, so we pass
6068 emit_and_reloc_code (acfg, NULL, code, code_size, ji, TRUE, NULL);
6070 emit_symbol_size (acfg, start_symbol, ".");
6073 sprintf (end_symbol, "%snamede_%s", acfg->temp_prefix, name);
6074 emit_label (acfg, end_symbol);
6079 /* Sort relocations */
6080 patches = g_ptr_array_new ();
6081 for (patch_info = ji; patch_info; patch_info = patch_info->next)
6082 if (patch_info->type != MONO_PATCH_INFO_NONE)
6083 g_ptr_array_add (patches, patch_info);
6084 g_ptr_array_sort (patches, compare_patches);
6086 buf_size = patches->len * 128 + 128;
6087 buf = g_malloc (buf_size);
6090 encode_patch_list (acfg, patches, patches->len, FALSE, got_offset, p, &p);
6091 g_assert (p - buf < buf_size);
6093 sprintf (symbol, "%s%s_p", acfg->user_symbol_prefix, name);
6095 info_offset = add_to_blob (acfg, buf, p - buf);
6097 emit_section_change (acfg, RODATA_SECT, 0);
6098 emit_global (acfg, symbol, FALSE);
6099 emit_label (acfg, symbol);
6101 emit_int32 (acfg, info_offset);
6105 guint32 encoded_len;
6109 * Emit additional information which can be used to reconstruct a partial MonoTrampInfo.
6111 encoded = mono_unwind_ops_encode (info->unwind_ops, &encoded_len);
6112 uw_offset = get_unwind_info_offset (acfg, encoded, encoded_len);
6115 emit_symbol_diff (acfg, end_symbol, start_symbol, 0);
6116 emit_int32 (acfg, uw_offset);
6119 /* Emit debug info */
6123 sprintf (symbol, "%s", name);
6124 sprintf (symbol2, "%snamed_%s", acfg->temp_prefix, name);
6127 mono_dwarf_writer_emit_trampoline (acfg->dwarf, symbol, symbol2, NULL, NULL, code_size, unwind_ops);
6131 static G_GNUC_UNUSED void
6132 emit_trampoline (MonoAotCompile *acfg, int got_offset, MonoTrampInfo *info)
6134 emit_trampoline_full (acfg, got_offset, info, TRUE);
6138 emit_trampolines (MonoAotCompile *acfg)
6141 char end_symbol [256];
6142 int i, tramp_got_offset;
6143 MonoAotTrampoline ntype;
6144 #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
6148 if (!mono_aot_mode_is_full (&acfg->aot_opts) || acfg->aot_opts.llvm_only)
6151 g_assert (acfg->image->assembly);
6153 /* Currently, we emit most trampolines into the mscorlib AOT image. */
6154 if (strcmp (acfg->image->assembly->aname.name, "mscorlib") == 0) {
6155 #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
6156 MonoTrampInfo *info;
6159 * Emit the generic trampolines.
6161 * We could save some code by treating the generic trampolines as a wrapper
6162 * method, but that approach has its own complexities, so we choose the simpler
6165 for (tramp_type = 0; tramp_type < MONO_TRAMPOLINE_NUM; ++tramp_type) {
6166 /* we overload the boolean here to indicate the slightly different trampoline needed, see mono_arch_create_generic_trampoline() */
6167 #ifdef DISABLE_REMOTING
6168 if (tramp_type == MONO_TRAMPOLINE_GENERIC_VIRTUAL_REMOTING)
6171 #ifndef MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD
6172 if (tramp_type == MONO_TRAMPOLINE_HANDLER_BLOCK_GUARD)
6175 mono_arch_create_generic_trampoline (tramp_type, &info, acfg->aot_opts.use_trampolines_page? 2: TRUE);
6176 emit_trampoline (acfg, acfg->got_offset, info);
6179 /* Emit the exception related code pieces */
6180 mono_arch_get_restore_context (&info, TRUE);
6181 emit_trampoline (acfg, acfg->got_offset, info);
6182 mono_arch_get_call_filter (&info, TRUE);
6183 emit_trampoline (acfg, acfg->got_offset, info);
6184 mono_arch_get_throw_exception (&info, TRUE);
6185 emit_trampoline (acfg, acfg->got_offset, info);
6186 mono_arch_get_rethrow_exception (&info, TRUE);
6187 emit_trampoline (acfg, acfg->got_offset, info);
6188 mono_arch_get_throw_corlib_exception (&info, TRUE);
6189 emit_trampoline (acfg, acfg->got_offset, info);
6191 #ifdef MONO_ARCH_HAVE_SDB_TRAMPOLINES
6192 mono_arch_create_sdb_trampoline (TRUE, &info, TRUE);
6193 emit_trampoline (acfg, acfg->got_offset, info);
6194 mono_arch_create_sdb_trampoline (FALSE, &info, TRUE);
6195 emit_trampoline (acfg, acfg->got_offset, info);
6198 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
6199 mono_arch_get_gsharedvt_trampoline (&info, TRUE);
6201 emit_trampoline_full (acfg, acfg->got_offset, info, TRUE);
6203 /* Create a separate out trampoline for more information in stack traces */
6204 info->name = g_strdup ("gsharedvt_out_trampoline");
6205 emit_trampoline_full (acfg, acfg->got_offset, info, TRUE);
6209 #if defined(MONO_ARCH_HAVE_GET_TRAMPOLINES)
6211 GSList *l = mono_arch_get_trampolines (TRUE);
6214 MonoTrampInfo *info = l->data;
6216 emit_trampoline (acfg, acfg->got_offset, info);
6222 for (i = 0; i < acfg->aot_opts.nrgctx_fetch_trampolines; ++i) {
6225 offset = MONO_RGCTX_SLOT_MAKE_RGCTX (i);
6226 mono_arch_create_rgctx_lazy_fetch_trampoline (offset, &info, TRUE);
6227 emit_trampoline (acfg, acfg->got_offset, info);
6229 offset = MONO_RGCTX_SLOT_MAKE_MRGCTX (i);
6230 mono_arch_create_rgctx_lazy_fetch_trampoline (offset, &info, TRUE);
6231 emit_trampoline (acfg, acfg->got_offset, info);
6234 #ifdef MONO_ARCH_HAVE_GENERAL_RGCTX_LAZY_FETCH_TRAMPOLINE
6235 mono_arch_create_general_rgctx_lazy_fetch_trampoline (&info, TRUE);
6236 emit_trampoline (acfg, acfg->got_offset, info);
6242 /* delegate_invoke_impl trampolines */
6243 l = mono_arch_get_delegate_invoke_impls ();
6245 MonoTrampInfo *info = l->data;
6247 emit_trampoline (acfg, acfg->got_offset, info);
6252 #endif /* #ifdef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES */
6254 /* Emit trampolines which are numerous */
6257 * These include the following:
6258 * - specific trampolines
6259 * - static rgctx invoke trampolines
6261 * These trampolines have the same code, they are parameterized by GOT
6263 * They are defined in this file, in the arch_... routines instead of
6264 * in tramp-<ARCH>.c, since it is easier to do it this way.
6268 * When running in aot-only mode, we can't create specific trampolines at
6269 * runtime, so we create a few, and save them in the AOT file.
6270 * Normal trampolines embed their argument as a literal inside the
6271 * trampoline code, we can't do that here, so instead we embed an offset
6272 * which needs to be added to the trampoline address to get the address of
6273 * the GOT slot which contains the argument value.
6274 * The generated trampolines jump to the generic trampolines using another
6275 * GOT slot, which will be setup by the AOT loader to point to the
6276 * generic trampoline code of the given type.
6280 * FIXME: Maybe we should use more specific trampolines (i.e. one class init for
6284 emit_section_change (acfg, ".text", 0);
6286 tramp_got_offset = acfg->got_offset;
6288 for (ntype = 0; ntype < MONO_AOT_TRAMP_NUM; ++ntype) {
6290 case MONO_AOT_TRAMP_SPECIFIC:
6291 sprintf (symbol, "specific_trampolines");
6293 case MONO_AOT_TRAMP_STATIC_RGCTX:
6294 sprintf (symbol, "static_rgctx_trampolines");
6296 case MONO_AOT_TRAMP_IMT_THUNK:
6297 sprintf (symbol, "imt_thunks");
6299 case MONO_AOT_TRAMP_GSHAREDVT_ARG:
6300 sprintf (symbol, "gsharedvt_arg_trampolines");
6303 g_assert_not_reached ();
6306 sprintf (end_symbol, "%s_e", symbol);
6308 if (acfg->aot_opts.write_symbols)
6309 emit_local_symbol (acfg, symbol, end_symbol, TRUE);
6311 emit_alignment_code (acfg, AOT_FUNC_ALIGNMENT);
6312 emit_info_symbol (acfg, symbol);
6314 acfg->trampoline_got_offset_base [ntype] = tramp_got_offset;
6316 for (i = 0; i < acfg->num_trampolines [ntype]; ++i) {
6320 case MONO_AOT_TRAMP_SPECIFIC:
6321 arch_emit_specific_trampoline (acfg, tramp_got_offset, &tramp_size);
6322 tramp_got_offset += 2;
6324 case MONO_AOT_TRAMP_STATIC_RGCTX:
6325 arch_emit_static_rgctx_trampoline (acfg, tramp_got_offset, &tramp_size);
6326 tramp_got_offset += 2;
6328 case MONO_AOT_TRAMP_IMT_THUNK:
6329 arch_emit_imt_thunk (acfg, tramp_got_offset, &tramp_size);
6330 tramp_got_offset += 1;
6332 case MONO_AOT_TRAMP_GSHAREDVT_ARG:
6333 arch_emit_gsharedvt_arg_trampoline (acfg, tramp_got_offset, &tramp_size);
6334 tramp_got_offset += 2;
6337 g_assert_not_reached ();
6339 #ifdef __native_client_codegen__
6340 /* align to avoid 32-byte boundary crossings */
6341 emit_alignment (acfg, AOT_FUNC_ALIGNMENT);
6344 if (!acfg->trampoline_size [ntype]) {
6345 g_assert (tramp_size);
6346 acfg->trampoline_size [ntype] = tramp_size;
6350 emit_label (acfg, end_symbol);
6351 emit_int32 (acfg, 0);
6354 arch_emit_specific_trampoline_pages (acfg);
6356 /* Reserve some entries at the end of the GOT for our use */
6357 acfg->num_trampoline_got_entries = tramp_got_offset - acfg->got_offset;
6360 acfg->got_offset += acfg->num_trampoline_got_entries;
6364 str_begins_with (const char *str1, const char *str2)
6366 int len = strlen (str2);
6367 return strncmp (str1, str2, len) == 0;
6371 mono_aot_readonly_field_override (MonoClassField *field)
6374 for (rdv = readonly_values; rdv; rdv = rdv->next) {
6375 char *p = rdv->name;
6377 len = strlen (field->parent->name_space);
6378 if (strncmp (p, field->parent->name_space, len))
6383 len = strlen (field->parent->name);
6384 if (strncmp (p, field->parent->name, len))
6389 if (strcmp (p, field->name))
6391 switch (rdv->type) {
6393 return &rdv->value.i1;
6395 return &rdv->value.i2;
6397 return &rdv->value.i4;
6406 add_readonly_value (MonoAotOptions *opts, const char *val)
6411 /* the format of val is:
6412 * namespace.typename.fieldname=type/value
6413 * type can be i1 for uint8/int8/boolean, i2 for uint16/int16/char, i4 for uint32/int32
6415 fval = strrchr (val, '/');
6417 fprintf (stderr, "AOT : invalid format for readonly field '%s', missing /.\n", val);
6420 tval = strrchr (val, '=');
6422 fprintf (stderr, "AOT : invalid format for readonly field '%s', missing =.\n", val);
6425 rdv = g_new0 (ReadOnlyValue, 1);
6426 rdv->name = g_malloc0 (tval - val + 1);
6427 memcpy (rdv->name, val, tval - val);
6430 if (strncmp (tval, "i1", 2) == 0) {
6431 rdv->value.i1 = atoi (fval);
6432 rdv->type = MONO_TYPE_I1;
6433 } else if (strncmp (tval, "i2", 2) == 0) {
6434 rdv->value.i2 = atoi (fval);
6435 rdv->type = MONO_TYPE_I2;
6436 } else if (strncmp (tval, "i4", 2) == 0) {
6437 rdv->value.i4 = atoi (fval);
6438 rdv->type = MONO_TYPE_I4;
6440 fprintf (stderr, "AOT : unsupported type for readonly field '%s'.\n", tval);
6443 rdv->next = readonly_values;
6444 readonly_values = rdv;
6448 clean_path (gchar * path)
6453 if (g_str_has_suffix (path, G_DIR_SEPARATOR_S))
6456 gchar *clean = g_strconcat (path, G_DIR_SEPARATOR_S, NULL);
6463 mono_aot_split_options (const char *aot_options)
6465 enum MonoAotOptionState {
6466 MONO_AOT_OPTION_STATE_DEFAULT,
6467 MONO_AOT_OPTION_STATE_STRING,
6468 MONO_AOT_OPTION_STATE_ESCAPE,
6471 GPtrArray *args = g_ptr_array_new ();
6472 enum MonoAotOptionState state = MONO_AOT_OPTION_STATE_DEFAULT;
6473 gchar const *opt_start = aot_options;
6474 gboolean end_of_string = FALSE;
6477 g_return_val_if_fail (aot_options != NULL, NULL);
6479 while ((cur = *aot_options) != '\0') {
6480 if (state == MONO_AOT_OPTION_STATE_ESCAPE)
6485 // If we find a quote, then if we're in the default case then
6486 // it means we've found the start of a string, if not then it
6487 // means we've found the end of the string and should switch
6488 // back to the default case.
6490 case MONO_AOT_OPTION_STATE_DEFAULT:
6491 state = MONO_AOT_OPTION_STATE_STRING;
6493 case MONO_AOT_OPTION_STATE_STRING:
6494 state = MONO_AOT_OPTION_STATE_DEFAULT;
6496 case MONO_AOT_OPTION_STATE_ESCAPE:
6497 g_assert_not_reached ();
6502 // If we've found an escaping operator, then this means we
6503 // should not process the next character if inside a string.
6504 if (state == MONO_AOT_OPTION_STATE_STRING)
6505 state = MONO_AOT_OPTION_STATE_ESCAPE;
6508 // If we're in the default state then this means we've found
6509 // an option, store it for later processing.
6510 if (state == MONO_AOT_OPTION_STATE_DEFAULT)
6517 // If the next character is end of string, then process the last option.
6518 if (*(aot_options) == '\0') {
6519 end_of_string = TRUE;
6525 g_ptr_array_add (args, g_strndup (opt_start, aot_options - opt_start));
6526 opt_start = ++aot_options;
6536 mono_aot_parse_options (const char *aot_options, MonoAotOptions *opts)
6540 args = mono_aot_split_options (aot_options ? aot_options : "");
6541 for (int i = 0; i < args->len; ++i) {
6542 const char *arg = g_ptr_array_index (args, i);
6544 if (str_begins_with (arg, "outfile=")) {
6545 opts->outfile = g_strdup (arg + strlen ("outfile="));
6546 } else if (str_begins_with (arg, "llvm-outfile=")) {
6547 opts->llvm_outfile = g_strdup (arg + strlen ("llvm-outfile="));
6548 } else if (str_begins_with (arg, "temp-path=")) {
6549 opts->temp_path = clean_path (g_strdup (arg + strlen ("temp-path=")));
6550 } else if (str_begins_with (arg, "save-temps")) {
6551 opts->save_temps = TRUE;
6552 } else if (str_begins_with (arg, "keep-temps")) {
6553 opts->save_temps = TRUE;
6554 } else if (str_begins_with (arg, "write-symbols")) {
6555 opts->write_symbols = TRUE;
6556 } else if (str_begins_with (arg, "no-write-symbols")) {
6557 opts->write_symbols = FALSE;
6558 } else if (str_begins_with (arg, "metadata-only")) {
6559 opts->metadata_only = TRUE;
6560 } else if (str_begins_with (arg, "bind-to-runtime-version")) {
6561 opts->bind_to_runtime_version = TRUE;
6562 } else if (str_begins_with (arg, "full")) {
6563 opts->mode = MONO_AOT_MODE_FULL;
6564 } else if (str_begins_with (arg, "hybrid")) {
6565 opts->mode = MONO_AOT_MODE_HYBRID;
6566 } else if (str_begins_with (arg, "threads=")) {
6567 opts->nthreads = atoi (arg + strlen ("threads="));
6568 } else if (str_begins_with (arg, "static")) {
6569 opts->static_link = TRUE;
6570 opts->no_dlsym = TRUE;
6571 } else if (str_begins_with (arg, "asmonly")) {
6572 opts->asm_only = TRUE;
6573 } else if (str_begins_with (arg, "asmwriter")) {
6574 opts->asm_writer = TRUE;
6575 } else if (str_begins_with (arg, "nodebug")) {
6576 opts->nodebug = TRUE;
6577 } else if (str_begins_with (arg, "dwarfdebug")) {
6578 opts->dwarf_debug = TRUE;
6579 } else if (str_begins_with (arg, "nopagetrampolines")) {
6580 opts->use_trampolines_page = FALSE;
6581 } else if (str_begins_with (arg, "ntrampolines=")) {
6582 opts->ntrampolines = atoi (arg + strlen ("ntrampolines="));
6583 } else if (str_begins_with (arg, "nrgctx-trampolines=")) {
6584 opts->nrgctx_trampolines = atoi (arg + strlen ("nrgctx-trampolines="));
6585 } else if (str_begins_with (arg, "nimt-trampolines=")) {
6586 opts->nimt_trampolines = atoi (arg + strlen ("nimt-trampolines="));
6587 } else if (str_begins_with (arg, "ngsharedvt-trampolines=")) {
6588 opts->ngsharedvt_arg_trampolines = atoi (arg + strlen ("ngsharedvt-trampolines="));
6589 } else if (str_begins_with (arg, "tool-prefix=")) {
6590 opts->tool_prefix = g_strdup (arg + strlen ("tool-prefix="));
6591 } else if (str_begins_with (arg, "ld-flags=")) {
6592 opts->ld_flags = g_strdup (arg + strlen ("ld-flags="));
6593 } else if (str_begins_with (arg, "soft-debug")) {
6594 opts->soft_debug = TRUE;
6595 } else if (str_begins_with (arg, "gen-seq-points-file")) {
6596 opts->gen_seq_points_file = TRUE;
6597 } else if (str_begins_with (arg, "direct-pinvoke")) {
6598 opts->direct_pinvoke = TRUE;
6599 } else if (str_begins_with (arg, "direct-icalls")) {
6600 opts->direct_icalls = TRUE;
6601 } else if (str_begins_with (arg, "no-direct-calls")) {
6602 opts->no_direct_calls = TRUE;
6603 } else if (str_begins_with (arg, "print-skipped")) {
6604 opts->print_skipped_methods = TRUE;
6605 } else if (str_begins_with (arg, "stats")) {
6607 } else if (str_begins_with (arg, "no-instances")) {
6608 opts->no_instances = TRUE;
6609 } else if (str_begins_with (arg, "log-generics")) {
6610 opts->log_generics = TRUE;
6611 } else if (str_begins_with (arg, "log-instances=")) {
6612 opts->log_instances = TRUE;
6613 opts->instances_logfile_path = g_strdup (arg + strlen ("log-instances="));
6614 } else if (str_begins_with (arg, "log-instances")) {
6615 opts->log_instances = TRUE;
6616 } else if (str_begins_with (arg, "internal-logfile=")) {
6617 opts->logfile = g_strdup (arg + strlen ("internal-logfile="));
6618 } else if (str_begins_with (arg, "mtriple=")) {
6619 opts->mtriple = g_strdup (arg + strlen ("mtriple="));
6620 } else if (str_begins_with (arg, "llvm-path=")) {
6621 opts->llvm_path = clean_path (g_strdup (arg + strlen ("llvm-path=")));
6622 } else if (!strcmp (arg, "llvm")) {
6624 } else if (str_begins_with (arg, "readonly-value=")) {
6625 add_readonly_value (opts, arg + strlen ("readonly-value="));
6626 } else if (str_begins_with (arg, "info")) {
6627 printf ("AOT target setup: %s.\n", AOT_TARGET_STR);
6629 } else if (str_begins_with (arg, "gc-maps")) {
6630 mini_gc_enable_gc_maps_for_aot ();
6631 } else if (str_begins_with (arg, "dump")) {
6632 opts->dump_json = TRUE;
6633 } else if (str_begins_with (arg, "llvmonly")) {
6634 opts->mode = MONO_AOT_MODE_FULL;
6636 opts->llvm_only = TRUE;
6637 } else if (str_begins_with (arg, "help") || str_begins_with (arg, "?")) {
6638 printf ("Supported options for --aot:\n");
6639 printf (" outfile=\n");
6640 printf (" llvm-outfile=\n");
6641 printf (" llvm-path=\n");
6642 printf (" temp-path=\n");
6643 printf (" save-temps\n");
6644 printf (" keep-temps\n");
6645 printf (" write-symbols\n");
6646 printf (" metadata-only\n");
6647 printf (" bind-to-runtime-version\n");
6649 printf (" threads=\n");
6650 printf (" static\n");
6651 printf (" asmonly\n");
6652 printf (" asmwriter\n");
6653 printf (" nodebug\n");
6654 printf (" dwarfdebug\n");
6655 printf (" ntrampolines=\n");
6656 printf (" nrgctx-trampolines=\n");
6657 printf (" nimt-trampolines=\n");
6658 printf (" ngsharedvt-trampolines=\n");
6659 printf (" tool-prefix=\n");
6660 printf (" readonly-value=\n");
6661 printf (" soft-debug\n");
6662 printf (" gen-seq-points-file\n");
6663 printf (" gc-maps\n");
6664 printf (" print-skipped\n");
6665 printf (" no-instances\n");
6666 printf (" stats\n");
6669 printf (" help/?\n");
6672 fprintf (stderr, "AOT : Unknown argument '%s'.\n", arg);
6676 g_free ((gpointer) arg);
6679 if (opts->use_trampolines_page) {
6680 opts->ntrampolines = 0;
6681 opts->nrgctx_trampolines = 0;
6682 opts->nimt_trampolines = 0;
6683 opts->ngsharedvt_arg_trampolines = 0;
6686 g_ptr_array_free (args, /*free_seg=*/TRUE);
6690 add_token_info_hash (gpointer key, gpointer value, gpointer user_data)
6692 MonoMethod *method = (MonoMethod*)key;
6693 MonoJumpInfoToken *ji = (MonoJumpInfoToken*)value;
6694 MonoAotCompile *acfg = user_data;
6695 MonoJumpInfoToken *new_ji;
6697 new_ji = mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfoToken));
6698 new_ji->image = ji->image;
6699 new_ji->token = ji->token;
6700 g_hash_table_insert (acfg->token_info_hash, method, new_ji);
6704 can_encode_class (MonoAotCompile *acfg, MonoClass *klass)
6706 if (klass->type_token)
6708 if ((klass->byval_arg.type == MONO_TYPE_VAR) || (klass->byval_arg.type == MONO_TYPE_MVAR) || (klass->byval_arg.type == MONO_TYPE_PTR))
6711 return can_encode_class (acfg, klass->element_class);
6716 can_encode_method (MonoAotCompile *acfg, MonoMethod *method)
6718 if (method->wrapper_type) {
6719 switch (method->wrapper_type) {
6720 case MONO_WRAPPER_NONE:
6721 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
6722 case MONO_WRAPPER_XDOMAIN_INVOKE:
6723 case MONO_WRAPPER_STFLD:
6724 case MONO_WRAPPER_LDFLD:
6725 case MONO_WRAPPER_LDFLDA:
6726 case MONO_WRAPPER_LDFLD_REMOTE:
6727 case MONO_WRAPPER_STFLD_REMOTE:
6728 case MONO_WRAPPER_STELEMREF:
6729 case MONO_WRAPPER_ISINST:
6730 case MONO_WRAPPER_PROXY_ISINST:
6731 case MONO_WRAPPER_ALLOC:
6732 case MONO_WRAPPER_REMOTING_INVOKE:
6733 case MONO_WRAPPER_UNKNOWN:
6734 case MONO_WRAPPER_WRITE_BARRIER:
6735 case MONO_WRAPPER_DELEGATE_INVOKE:
6736 case MONO_WRAPPER_DELEGATE_BEGIN_INVOKE:
6737 case MONO_WRAPPER_DELEGATE_END_INVOKE:
6738 case MONO_WRAPPER_SYNCHRONIZED:
6740 case MONO_WRAPPER_MANAGED_TO_MANAGED:
6741 case MONO_WRAPPER_CASTCLASS: {
6742 WrapperInfo *info = mono_marshal_get_wrapper_info (method);
6751 //printf ("Skip (wrapper call): %d -> %s\n", patch_info->type, mono_method_full_name (patch_info->data.method, TRUE));
6755 if (!method->token) {
6756 /* The method is part of a constructed type like Int[,].Set (). */
6757 if (!g_hash_table_lookup (acfg->token_info_hash, method)) {
6758 if (method->klass->rank)
6768 can_encode_patch (MonoAotCompile *acfg, MonoJumpInfo *patch_info)
6770 switch (patch_info->type) {
6771 case MONO_PATCH_INFO_METHOD:
6772 case MONO_PATCH_INFO_METHODCONST:
6773 case MONO_PATCH_INFO_METHOD_CODE_SLOT: {
6774 MonoMethod *method = patch_info->data.method;
6776 return can_encode_method (acfg, method);
6778 case MONO_PATCH_INFO_VTABLE:
6779 case MONO_PATCH_INFO_CLASS:
6780 case MONO_PATCH_INFO_IID:
6781 case MONO_PATCH_INFO_ADJUSTED_IID:
6782 if (!can_encode_class (acfg, patch_info->data.klass)) {
6783 //printf ("Skip: %s\n", mono_type_full_name (&patch_info->data.klass->byval_arg));
6787 case MONO_PATCH_INFO_DELEGATE_TRAMPOLINE: {
6788 if (!can_encode_class (acfg, patch_info->data.del_tramp->klass)) {
6789 //printf ("Skip: %s\n", mono_type_full_name (&patch_info->data.klass->byval_arg));
6794 case MONO_PATCH_INFO_RGCTX_FETCH:
6795 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX: {
6796 MonoJumpInfoRgctxEntry *entry = patch_info->data.rgctx_entry;
6798 if (!can_encode_method (acfg, entry->method))
6800 if (!can_encode_patch (acfg, entry->data))
6814 * AOT compile a given method.
6815 * This function might be called by multiple threads, so it must be thread-safe.
6818 compile_method (MonoAotCompile *acfg, MonoMethod *method)
6821 MonoJumpInfo *patch_info;
6824 MonoMethod *wrapped;
6827 if (acfg->aot_opts.metadata_only)
6830 mono_acfg_lock (acfg);
6831 index = get_method_index (acfg, method);
6832 mono_acfg_unlock (acfg);
6834 /* fixme: maybe we can also precompile wrapper methods */
6835 if ((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
6836 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
6837 (method->flags & METHOD_ATTRIBUTE_ABSTRACT)) {
6838 //printf ("Skip (impossible): %s\n", mono_method_full_name (method, TRUE));
6842 if (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL)
6845 wrapped = mono_marshal_method_from_wrapper (method);
6846 if (wrapped && (wrapped->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) && wrapped->is_generic)
6847 // FIXME: The wrapper should be generic too, but it is not
6850 if (method->wrapper_type == MONO_WRAPPER_COMINTEROP)
6853 InterlockedIncrement (&acfg->stats.mcount);
6856 if (method->is_generic || method->klass->generic_container) {
6857 InterlockedIncrement (&acfg->stats.genericcount);
6862 //acfg->aot_opts.print_skipped_methods = TRUE;
6865 * Since these methods are the only ones which are compiled with
6866 * AOT support, and they are not used by runtime startup/shutdown code,
6867 * the runtime will not see AOT methods during AOT compilation,so it
6868 * does not need to support them by creating a fake GOT etc.
6870 flags = JIT_FLAG_AOT;
6871 if (mono_aot_mode_is_full (&acfg->aot_opts))
6872 flags |= JIT_FLAG_FULL_AOT;
6874 flags |= JIT_FLAG_LLVM;
6875 if (acfg->aot_opts.llvm_only)
6876 flags |= JIT_FLAG_LLVM_ONLY | JIT_FLAG_EXPLICIT_NULL_CHECKS;
6877 if (acfg->aot_opts.no_direct_calls)
6878 flags |= JIT_FLAG_NO_DIRECT_ICALLS;
6879 cfg = mini_method_compile (method, acfg->opts, mono_get_root_domain (), flags, 0, index);
6880 mono_loader_clear_error ();
6882 if (cfg->exception_type == MONO_EXCEPTION_GENERIC_SHARING_FAILED) {
6883 if (acfg->aot_opts.print_skipped_methods)
6884 printf ("Skip (gshared failure): %s (%s)\n", mono_method_full_name (method, TRUE), cfg->exception_message);
6885 InterlockedIncrement (&acfg->stats.genericcount);
6888 if (cfg->exception_type != MONO_EXCEPTION_NONE) {
6889 if (acfg->aot_opts.print_skipped_methods)
6890 printf ("Skip (JIT failure): %s\n", mono_method_full_name (method, TRUE));
6891 /* Let the exception happen at runtime */
6895 if (cfg->disable_aot) {
6896 if (acfg->aot_opts.print_skipped_methods)
6897 printf ("Skip (disabled): %s\n", mono_method_full_name (method, TRUE));
6898 InterlockedIncrement (&acfg->stats.ocount);
6899 mono_destroy_compile (cfg);
6902 cfg->method_index = index;
6904 /* Nullify patches which need no aot processing */
6905 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
6906 switch (patch_info->type) {
6907 case MONO_PATCH_INFO_LABEL:
6908 case MONO_PATCH_INFO_BB:
6909 patch_info->type = MONO_PATCH_INFO_NONE;
6916 /* Collect method->token associations from the cfg */
6917 mono_acfg_lock (acfg);
6918 g_hash_table_foreach (cfg->token_info_hash, add_token_info_hash, acfg);
6919 mono_acfg_unlock (acfg);
6920 g_hash_table_destroy (cfg->token_info_hash);
6921 cfg->token_info_hash = NULL;
6924 * Check for absolute addresses.
6927 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
6928 switch (patch_info->type) {
6929 case MONO_PATCH_INFO_ABS:
6930 /* unable to handle this */
6939 if (acfg->aot_opts.print_skipped_methods)
6940 printf ("Skip (abs call): %s\n", mono_method_full_name (method, TRUE));
6941 InterlockedIncrement (&acfg->stats.abscount);
6942 mono_destroy_compile (cfg);
6946 /* Lock for the rest of the code */
6947 mono_acfg_lock (acfg);
6950 * Check for methods/klasses we can't encode.
6953 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
6954 if (!can_encode_patch (acfg, patch_info))
6959 if (acfg->aot_opts.print_skipped_methods)
6960 printf ("Skip (patches): %s\n", mono_method_full_name (method, TRUE));
6961 acfg->stats.ocount++;
6962 mono_destroy_compile (cfg);
6963 mono_acfg_unlock (acfg);
6967 if (!cfg->compile_llvm)
6968 acfg->has_jitted_code = TRUE;
6970 if (method->is_inflated && acfg->aot_opts.log_instances) {
6971 if (acfg->instances_logfile)
6972 fprintf (acfg->instances_logfile, "%s ### %d\n", mono_method_full_name (method, TRUE), cfg->code_size);
6974 printf ("%s ### %d\n", mono_method_full_name (method, TRUE), cfg->code_size);
6977 /* Adds generic instances referenced by this method */
6979 * The depth is used to avoid infinite loops when generic virtual recursion is
6982 depth = GPOINTER_TO_UINT (g_hash_table_lookup (acfg->method_depth, method));
6983 if (!acfg->aot_opts.no_instances && depth < 32) {
6984 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
6985 switch (patch_info->type) {
6986 case MONO_PATCH_INFO_RGCTX_FETCH:
6987 case MONO_PATCH_INFO_RGCTX_SLOT_INDEX:
6988 case MONO_PATCH_INFO_METHOD: {
6989 MonoMethod *m = NULL;
6991 if (patch_info->type == MONO_PATCH_INFO_RGCTX_FETCH || patch_info->type == MONO_PATCH_INFO_RGCTX_SLOT_INDEX) {
6992 MonoJumpInfoRgctxEntry *e = patch_info->data.rgctx_entry;
6994 if (e->info_type == MONO_RGCTX_INFO_GENERIC_METHOD_CODE)
6995 m = e->data->data.method;
6997 m = patch_info->data.method;
7002 if (m->is_inflated) {
7003 if (!(mono_class_generic_sharing_enabled (m->klass) &&
7004 mono_method_is_generic_sharable_full (m, FALSE, FALSE, FALSE)) &&
7005 (!method_has_type_vars (m) || mono_method_is_generic_sharable_full (m, TRUE, TRUE, FALSE))) {
7006 if (m->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
7007 if (mono_aot_mode_is_full (&acfg->aot_opts) && !method_has_type_vars (m))
7008 add_extra_method_with_depth (acfg, mono_marshal_get_native_wrapper (m, TRUE, TRUE), depth + 1);
7010 add_extra_method_with_depth (acfg, m, depth + 1);
7011 add_types_from_method_header (acfg, m);
7014 add_generic_class_with_depth (acfg, m->klass, depth + 5, "method");
7016 if (m->wrapper_type == MONO_WRAPPER_MANAGED_TO_MANAGED) {
7017 WrapperInfo *info = mono_marshal_get_wrapper_info (m);
7019 if (info && info->subtype == WRAPPER_SUBTYPE_ELEMENT_ADDR)
7020 add_extra_method_with_depth (acfg, m, depth + 1);
7024 case MONO_PATCH_INFO_VTABLE: {
7025 MonoClass *klass = patch_info->data.klass;
7027 if (klass->generic_class && !mini_class_is_generic_sharable (klass))
7028 add_generic_class_with_depth (acfg, klass, depth + 5, "vtable");
7031 case MONO_PATCH_INFO_SFLDA: {
7032 MonoClass *klass = patch_info->data.field->parent;
7034 /* The .cctor needs to run at runtime. */
7035 if (klass->generic_class && !mono_generic_context_is_sharable (&klass->generic_class->context, FALSE) && mono_class_get_cctor (klass))
7036 add_extra_method_with_depth (acfg, mono_class_get_cctor (klass), depth + 1);
7045 /* Determine whenever the method has GOT slots */
7046 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7047 switch (patch_info->type) {
7048 case MONO_PATCH_INFO_GOT_OFFSET:
7049 case MONO_PATCH_INFO_NONE:
7050 case MONO_PATCH_INFO_GC_CARD_TABLE_ADDR:
7051 case MONO_PATCH_INFO_GC_NURSERY_START:
7052 case MONO_PATCH_INFO_GC_NURSERY_BITS:
7054 case MONO_PATCH_INFO_IMAGE:
7055 /* The assembly is stored in GOT slot 0 */
7056 if (patch_info->data.image != acfg->image)
7057 cfg->has_got_slots = TRUE;
7060 if (!is_plt_patch (patch_info) || (cfg->compile_llvm && acfg->aot_opts.llvm_only))
7061 cfg->has_got_slots = TRUE;
7066 if (!cfg->has_got_slots)
7067 InterlockedIncrement (&acfg->stats.methods_without_got_slots);
7070 * FIXME: Instead of this mess, allocate the patches from the aot mempool.
7072 /* Make a copy of the patch info which is in the mempool */
7074 MonoJumpInfo *patches = NULL, *patches_end = NULL;
7076 for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
7077 MonoJumpInfo *new_patch_info = mono_patch_info_dup_mp (acfg->mempool, patch_info);
7080 patches = new_patch_info;
7082 patches_end->next = new_patch_info;
7083 patches_end = new_patch_info;
7085 cfg->patch_info = patches;
7087 /* Make a copy of the unwind info */
7089 GSList *l, *unwind_ops;
7093 for (l = cfg->unwind_ops; l; l = l->next) {
7094 op = mono_mempool_alloc (acfg->mempool, sizeof (MonoUnwindOp));
7095 memcpy (op, l->data, sizeof (MonoUnwindOp));
7096 unwind_ops = g_slist_prepend_mempool (acfg->mempool, unwind_ops, op);
7098 cfg->unwind_ops = g_slist_reverse (unwind_ops);
7100 /* Make a copy of the argument/local info */
7102 MonoInst **args, **locals;
7103 MonoMethodSignature *sig;
7104 MonoMethodHeader *header;
7107 sig = mono_method_signature (method);
7108 args = mono_mempool_alloc (acfg->mempool, sizeof (MonoInst*) * (sig->param_count + sig->hasthis));
7109 for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
7110 args [i] = mono_mempool_alloc (acfg->mempool, sizeof (MonoInst));
7111 memcpy (args [i], cfg->args [i], sizeof (MonoInst));
7115 header = mono_method_get_header (method);
7116 locals = mono_mempool_alloc (acfg->mempool, sizeof (MonoInst*) * header->num_locals);
7117 for (i = 0; i < header->num_locals; ++i) {
7118 locals [i] = mono_mempool_alloc (acfg->mempool, sizeof (MonoInst));
7119 memcpy (locals [i], cfg->locals [i], sizeof (MonoInst));
7121 cfg->locals = locals;
7124 /* Free some fields used by cfg to conserve memory */
7125 mono_mempool_destroy (cfg->mempool);
7126 cfg->mempool = NULL;
7127 g_free (cfg->varinfo);
7128 cfg->varinfo = NULL;
7132 mono_regstate_free (cfg->rs);
7136 //printf ("Compile: %s\n", mono_method_full_name (method, TRUE));
7138 while (index >= acfg->cfgs_size) {
7139 MonoCompile **new_cfgs;
7142 new_size = acfg->cfgs_size * 2;
7143 new_cfgs = g_new0 (MonoCompile*, new_size);
7144 memcpy (new_cfgs, acfg->cfgs, sizeof (MonoCompile*) * acfg->cfgs_size);
7145 g_free (acfg->cfgs);
7146 acfg->cfgs = new_cfgs;
7147 acfg->cfgs_size = new_size;
7149 acfg->cfgs [index] = cfg;
7151 g_hash_table_insert (acfg->method_to_cfg, cfg->orig_method, cfg);
7154 if (cfg->orig_method->wrapper_type)
7155 g_ptr_array_add (acfg->extra_methods, cfg->orig_method);
7158 mono_acfg_unlock (acfg);
7160 InterlockedIncrement (&acfg->stats.ccount);
7164 compile_thread_main (gpointer *user_data)
7166 MonoDomain *domain = user_data [0];
7167 MonoAotCompile *acfg = user_data [1];
7168 GPtrArray *methods = user_data [2];
7171 mono_thread_attach (domain);
7173 for (i = 0; i < methods->len; ++i)
7174 compile_method (acfg, g_ptr_array_index (methods, i));
7178 load_profile_files (MonoAotCompile *acfg)
7182 int file_index, res, method_index, i;
7185 GList *unordered, *l;
7190 tmp = g_strdup_printf ("%s/.mono/aot-profile-data/%s-%d", g_get_home_dir (), acfg->image->assembly_name, file_index);
7192 if (!g_file_test (tmp, G_FILE_TEST_IS_REGULAR)) {
7197 infile = fopen (tmp, "r");
7200 printf ("Using profile data file '%s'\n", tmp);
7205 res = fscanf (infile, "%32s\n", ver);
7206 if ((res != 1) || strcmp (ver, "#VER:2") != 0) {
7207 printf ("Profile file has wrong version or invalid.\n");
7214 MonoMethodDesc *desc;
7217 if (fgets (name, 1023, infile) == NULL)
7220 /* Kill the newline */
7221 if (strlen (name) > 0)
7222 name [strlen (name) - 1] = '\0';
7224 desc = mono_method_desc_new (name, TRUE);
7226 method = mono_method_desc_search_in_image (desc, acfg->image);
7228 if (method && mono_method_get_token (method)) {
7229 token = mono_method_get_token (method);
7230 method_index = mono_metadata_token_index (token) - 1;
7233 for (i = 0; i < acfg->method_order->len; ++i) {
7234 if (g_ptr_array_index (acfg->method_order, i) == GUINT_TO_POINTER (method_index)) {
7240 g_ptr_array_add (acfg->method_order, GUINT_TO_POINTER (method_index));
7242 //printf ("No method found matching '%s'.\n", name);
7248 /* Add missing methods */
7250 for (method_index = 0; method_index < acfg->image->tables [MONO_TABLE_METHOD].rows; ++method_index) {
7252 for (i = 0; i < acfg->method_order->len; ++i) {
7253 if (g_ptr_array_index (acfg->method_order, i) == GUINT_TO_POINTER (method_index)) {
7259 unordered = g_list_prepend (unordered, GUINT_TO_POINTER (method_index));
7261 unordered = g_list_reverse (unordered);
7262 for (l = unordered; l; l = l->next)
7263 g_ptr_array_add (acfg->method_order, l->data);
7266 /* Used by the LLVM backend */
7268 mono_aot_get_got_offset (MonoJumpInfo *ji)
7270 return get_got_offset (llvm_acfg, TRUE, ji);
7274 * mono_aot_is_shared_got_offset:
7276 * Return whenever OFFSET refers to a GOT slot which is preinitialized
7277 * when the AOT image is loaded.
7280 mono_aot_is_shared_got_offset (int offset)
7282 return offset < llvm_acfg->nshared_got_entries;
7286 mono_aot_get_method_name (MonoCompile *cfg)
7288 if (llvm_acfg->aot_opts.static_link)
7289 /* Include the assembly name too to avoid duplicate symbol errors */
7290 return g_strdup_printf ("%s_%s", llvm_acfg->assembly_name_sym, get_debug_sym (cfg->orig_method, "", llvm_acfg->method_label_hash));
7292 return get_debug_sym (cfg->orig_method, "", llvm_acfg->method_label_hash);
7296 mono_aot_is_direct_callable (MonoJumpInfo *patch_info)
7298 return is_direct_callable (llvm_acfg, NULL, patch_info);
7302 mono_aot_mark_unused_llvm_plt_entry (MonoJumpInfo *patch_info)
7304 MonoPltEntry *plt_entry;
7306 plt_entry = get_plt_entry (llvm_acfg, patch_info);
7307 plt_entry->llvm_used = FALSE;
7311 mono_aot_get_direct_call_symbol (MonoJumpInfoType type, gconstpointer data)
7313 const char *sym = NULL;
7315 if (llvm_acfg->aot_opts.direct_icalls) {
7316 if (type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
7317 /* Call to a C function implementing a jit icall */
7318 sym = mono_lookup_jit_icall_symbol (data);
7319 } else if (type == MONO_PATCH_INFO_ICALL_ADDR) {
7320 MonoMethod *method = (gpointer)data;
7321 if (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
7322 sym = mono_lookup_icall_symbol (method);
7325 return g_strdup (sym);
7331 mono_aot_get_plt_symbol (MonoJumpInfoType type, gconstpointer data)
7333 MonoJumpInfo *ji = mono_mempool_alloc (llvm_acfg->mempool, sizeof (MonoJumpInfo));
7334 MonoPltEntry *plt_entry;
7335 const char *sym = NULL;
7338 ji->data.target = data;
7340 if (!can_encode_patch (llvm_acfg, ji))
7343 if (llvm_acfg->aot_opts.direct_icalls) {
7344 if (type == MONO_PATCH_INFO_JIT_ICALL_ADDR) {
7345 /* Call to a C function implementing a jit icall */
7346 sym = mono_lookup_jit_icall_symbol (data);
7347 } else if (type == MONO_PATCH_INFO_ICALL_ADDR) {
7348 MonoMethod *method = (gpointer)data;
7349 if (!(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
7350 sym = mono_lookup_icall_symbol (method);
7353 return g_strdup (sym);
7356 plt_entry = get_plt_entry (llvm_acfg, ji);
7357 plt_entry->llvm_used = TRUE;
7359 #if defined(TARGET_MACH)
7360 return g_strdup_printf (plt_entry->llvm_symbol + strlen (llvm_acfg->llvm_label_prefix));
7362 return g_strdup_printf (plt_entry->llvm_symbol);
7367 mono_aot_get_method_index (MonoMethod *method)
7369 g_assert (llvm_acfg);
7370 return get_method_index (llvm_acfg, method);
7374 mono_aot_patch_info_dup (MonoJumpInfo* ji)
7378 mono_acfg_lock (llvm_acfg);
7379 res = mono_patch_info_dup_mp (llvm_acfg->mempool, ji);
7380 mono_acfg_unlock (llvm_acfg);
7386 execute_system (const char * command)
7391 // We need an extra set of quotes around the whole command to properly handle commands
7392 // with spaces since internally the command is called through "cmd /c.
7393 command = g_strdup_printf ("\"%s\"", command);
7395 int size = MultiByteToWideChar (CP_UTF8, 0 , command , -1, NULL , 0);
7396 wchar_t* wstr = g_malloc (sizeof (wchar_t) * size);
7397 MultiByteToWideChar (CP_UTF8, 0, command, -1, wstr , size);
7398 status = _wsystem (wstr);
7402 #elif defined (HAVE_SYSTEM)
7403 status = system (command);
7405 g_assert_not_reached ();
7416 * Emit the LLVM code into an LLVM bytecode file, and compile it using the LLVM
7420 emit_llvm_file (MonoAotCompile *acfg)
7422 char *command, *opts, *tempbc, *output_fname;
7424 /* Emit the LLVM code into a .bc file */
7425 if (acfg->aot_opts.llvm_only && acfg->aot_opts.asm_only) {
7426 mono_llvm_emit_aot_module (acfg->aot_opts.llvm_outfile, g_path_get_basename (acfg->image->name));
7430 tempbc = g_strdup_printf ("%s.bc", acfg->tmpbasename);
7431 mono_llvm_emit_aot_module (tempbc, g_path_get_basename (acfg->image->name));
7434 if (acfg->aot_opts.llvm_only) {
7435 /* Use the stock clang from xcode */
7438 // FIXME: llc/opt flags
7439 command = g_strdup_printf ("clang -march=x86-64 -fpic -msse -msse2 -msse3 -msse4 -O0 -c -o \"%s\" \"%s.bc\"", acfg->llvm_ofile, acfg->tmpbasename);
7440 //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);
7442 aot_printf (acfg, "Executing clang: %s\n", command);
7443 if (execute_system (command) != 0)
7449 * FIXME: Experiment with adding optimizations, the -std-compile-opts set takes
7450 * a lot of time, and doesn't seem to save much space.
7451 * The following optimizations cannot be enabled:
7453 * - 'jump-threading' changes our blockaddress references to int constants.
7454 * - 'basiccg' fails because it contains:
7455 * if (CS && !isa<IntrinsicInst>(II)) {
7456 * and isa<IntrinsicInst> is false for invokes to intrinsics (iltests.exe).
7457 * - 'prune-eh' and 'functionattrs' depend on 'basiccg'.
7458 * The opt list below was produced by taking the output of:
7459 * llvm-as < /dev/null | opt -O2 -disable-output -debug-pass=Arguments
7460 * then removing tailcallelim + the global opts.
7461 * strip-dead-prototypes deletes unused intrinsics definitions.
7463 //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");
7464 /* The dse pass is disabled because of #13734 and #17616 */
7466 * The dse bug is in DeadStoreElimination.cpp:isOverwrite ():
7467 * // If we have no DataLayout information around, then the size of the store
7468 * // is inferrable from the pointee type. If they are the same type, then
7469 * // we know that the store is safe.
7470 * if (AA.getDataLayout() == 0 &&
7471 * Later.Ptr->getType() == Earlier.Ptr->getType()) {
7472 * return OverwriteComplete;
7473 * Here, if 'Earlier' refers to a memset, and Later has no size info, it mistakenly thinks the memset is redundant.
7475 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");
7476 opts = g_strdup ("");
7478 command = g_strdup_printf ("\"%sopt\" -f %s -o \"%s.opt.bc\" \"%s.bc\"", acfg->aot_opts.llvm_path, opts, acfg->tmpbasename, acfg->tmpbasename);
7479 aot_printf (acfg, "Executing opt: %s\n", command);
7480 if (execute_system (command) != 0)
7485 if (!acfg->llc_args)
7486 acfg->llc_args = g_string_new ("");
7488 /* Verbose asm slows down llc greatly */
7489 g_string_append (acfg->llc_args, " -asm-verbose=false");
7491 if (acfg->aot_opts.mtriple)
7492 g_string_append_printf (acfg->llc_args, " -mtriple=%s", acfg->aot_opts.mtriple);
7494 g_string_append (acfg->llc_args, " -disable-gnu-eh-frame -enable-mono-eh-frame");
7496 g_string_append_printf (acfg->llc_args, " -mono-eh-frame-symbol=%s%s", acfg->user_symbol_prefix, acfg->llvm_eh_frame_symbol);
7498 #if defined(TARGET_MACH) && defined(TARGET_ARM)
7499 /* ios requires PIC code now */
7500 g_string_append_printf (acfg->llc_args, " -relocation-model=pic");
7502 if (llvm_acfg->aot_opts.static_link)
7503 g_string_append_printf (acfg->llc_args, " -relocation-model=static");
7505 g_string_append_printf (acfg->llc_args, " -relocation-model=pic");
7508 if (acfg->llvm_owriter) {
7509 /* Emit an object file directly */
7510 output_fname = g_strdup_printf ("%s", acfg->llvm_ofile);
7511 g_string_append_printf (acfg->llc_args, " -filetype=obj");
7513 output_fname = g_strdup_printf ("%s", acfg->llvm_sfile);
7515 command = g_strdup_printf ("\"%sllc\" %s -o \"%s\" \"%s.opt.bc\"", acfg->aot_opts.llvm_path, acfg->llc_args->str, output_fname, acfg->tmpbasename);
7516 g_free (output_fname);
7518 aot_printf (acfg, "Executing llc: %s\n", command);
7520 if (execute_system (command) != 0)
7527 emit_code (MonoAotCompile *acfg)
7529 int oindex, i, prev_index;
7530 gboolean saved_unbox_info = FALSE;
7533 if (acfg->aot_opts.llvm_only)
7536 #if defined(TARGET_POWERPC64)
7537 sprintf (symbol, ".Lgot_addr");
7538 emit_section_change (acfg, ".text", 0);
7539 emit_alignment (acfg, 8);
7540 emit_label (acfg, symbol);
7541 emit_pointer (acfg, acfg->got_symbol);
7545 * This global symbol is used to compute the address of each method using the
7546 * code_offsets array. It is also used to compute the memory ranges occupied by
7547 * AOT code, so it must be equal to the address of the first emitted method.
7549 emit_section_change (acfg, ".text", 0);
7550 emit_alignment_code (acfg, 8);
7551 emit_info_symbol (acfg, "jit_code_start");
7554 * Emit some padding so the local symbol for the first method doesn't have the
7555 * same address as 'methods'.
7557 #if defined(__default_codegen__)
7558 emit_padding (acfg, 16);
7559 #elif defined(__native_client_codegen__)
7561 const int kPaddingSize = 16;
7562 guint8 pad_buffer[kPaddingSize];
7563 mono_arch_nacl_pad (pad_buffer, kPaddingSize);
7564 emit_bytes (acfg, pad_buffer, kPaddingSize);
7568 for (oindex = 0; oindex < acfg->method_order->len; ++oindex) {
7572 i = GPOINTER_TO_UINT (g_ptr_array_index (acfg->method_order, oindex));
7574 cfg = acfg->cfgs [i];
7579 method = cfg->orig_method;
7581 /* Emit unbox trampoline */
7582 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype && !(acfg->aot_opts.llvm_only && cfg->compile_llvm)) {
7583 sprintf (symbol, "ut_%d", get_method_index (acfg, method));
7585 emit_section_change (acfg, ".text", 0);
7586 #ifdef __native_client_codegen__
7587 emit_alignment (acfg, AOT_FUNC_ALIGNMENT);
7590 if (acfg->thumb_mixed && cfg->compile_llvm) {
7591 emit_set_thumb_mode (acfg);
7592 fprintf (acfg->fp, "\n.thumb_func\n");
7595 emit_label (acfg, symbol);
7597 arch_emit_unbox_trampoline (acfg, cfg, cfg->orig_method, cfg->asm_symbol);
7599 if (acfg->thumb_mixed && cfg->compile_llvm)
7600 emit_set_arm_mode (acfg);
7602 if (!saved_unbox_info) {
7603 char user_symbol [128];
7605 sprintf (user_symbol, "%sunbox_trampoline_p", acfg->user_symbol_prefix);
7607 emit_label (acfg, "ut_end");
7609 unwind_ops = mono_unwind_get_cie_program ();
7610 save_unwind_info (acfg, user_symbol, unwind_ops);
7611 mono_free_unwind_info (unwind_ops);
7613 /* Save the unbox trampoline size */
7614 emit_symbol_diff (acfg, "ut_end", symbol, 0);
7616 saved_unbox_info = TRUE;
7620 if (cfg->compile_llvm)
7621 acfg->stats.llvm_count ++;
7623 emit_method_code (acfg, cfg);
7626 emit_section_change (acfg, ".text", 0);
7627 emit_alignment_code (acfg, 8);
7628 emit_info_symbol (acfg, "jit_code_end");
7630 /* To distinguish it from the next symbol */
7631 emit_padding (acfg, 4);
7634 * Add .no_dead_strip directives for all LLVM methods to prevent the OSX linker
7635 * from optimizing them away, since it doesn't see that code_offsets references them.
7636 * JITted methods don't need this since they are referenced using assembler local
7638 * FIXME: This is why write-symbols doesn't work on OSX ?
7640 if (acfg->llvm && acfg->need_no_dead_strip) {
7641 fprintf (acfg->fp, "\n");
7642 for (i = 0; i < acfg->nmethods; ++i) {
7643 if (acfg->cfgs [i] && acfg->cfgs [i]->compile_llvm)
7644 fprintf (acfg->fp, ".no_dead_strip %s\n", acfg->cfgs [i]->asm_symbol);
7649 * To work around linker issues, we emit a table of branches, and disassemble them at runtime.
7650 * This is PIE code, and the linker can update it if needed.
7652 sprintf (symbol, "method_addresses");
7653 emit_section_change (acfg, ".text", 1);
7654 emit_alignment_code (acfg, 8);
7655 emit_info_symbol (acfg, symbol);
7656 emit_local_symbol (acfg, symbol, "method_addresses_end", TRUE);
7657 emit_unset_mode (acfg);
7658 if (acfg->need_no_dead_strip)
7659 fprintf (acfg->fp, " .no_dead_strip %s\n", symbol);
7661 for (i = 0; i < acfg->nmethods; ++i) {
7662 #ifdef MONO_ARCH_AOT_SUPPORTED
7665 if (acfg->cfgs [i]) {
7666 if (acfg->aot_opts.llvm_only && acfg->cfgs [i]->compile_llvm)
7667 /* Obtained by calling a generated function in the LLVM image */
7668 arch_emit_direct_call (acfg, "method_addresses", FALSE, FALSE, NULL, &call_size);
7670 arch_emit_direct_call (acfg, acfg->cfgs [i]->asm_symbol, FALSE, acfg->thumb_mixed && acfg->cfgs [i]->compile_llvm, NULL, &call_size);
7672 arch_emit_direct_call (acfg, "method_addresses", FALSE, FALSE, NULL, &call_size);
7677 sprintf (symbol, "method_addresses_end");
7678 emit_label (acfg, symbol);
7681 /* Emit a sorted table mapping methods to the index of their unbox trampolines */
7682 sprintf (symbol, "unbox_trampolines");
7683 emit_section_change (acfg, RODATA_SECT, 0);
7684 emit_alignment (acfg, 8);
7685 emit_info_symbol (acfg, symbol);
7688 for (i = 0; i < acfg->nmethods; ++i) {
7693 cfg = acfg->cfgs [i];
7697 method = cfg->orig_method;
7699 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype && !(acfg->aot_opts.llvm_only && cfg->compile_llvm)) {
7700 index = get_method_index (acfg, method);
7702 emit_int32 (acfg, index);
7703 /* Make sure the table is sorted by index */
7704 g_assert (index > prev_index);
7708 sprintf (symbol, "unbox_trampolines_end");
7709 emit_info_symbol (acfg, symbol);
7710 emit_int32 (acfg, 0);
7712 /* Emit a separate table with the trampoline addresses/offsets */
7713 sprintf (symbol, "unbox_trampoline_addresses");
7714 emit_section_change (acfg, ".text", 0);
7715 emit_alignment_code (acfg, 8);
7716 emit_info_symbol (acfg, symbol);
7718 for (i = 0; i < acfg->nmethods; ++i) {
7723 cfg = acfg->cfgs [i];
7727 method = cfg->orig_method;
7729 if (mono_aot_mode_is_full (&acfg->aot_opts) && cfg->orig_method->klass->valuetype && !(acfg->aot_opts.llvm_only && cfg->compile_llvm)) {
7730 #ifdef MONO_ARCH_AOT_SUPPORTED
7733 index = get_method_index (acfg, method);
7734 sprintf (symbol, "ut_%d", index);
7736 arch_emit_direct_call (acfg, symbol, FALSE, acfg->thumb_mixed && cfg->compile_llvm, NULL, &call_size);
7740 emit_int32 (acfg, 0);
7744 emit_info (MonoAotCompile *acfg)
7749 offsets = g_new0 (gint32, acfg->nmethods);
7751 for (oindex = 0; oindex < acfg->method_order->len; ++oindex) {
7752 i = GPOINTER_TO_UINT (g_ptr_array_index (acfg->method_order, oindex));
7754 if (acfg->cfgs [i]) {
7755 emit_method_info (acfg, acfg->cfgs [i]);
7756 offsets [i] = acfg->cfgs [i]->method_info_offset;
7762 acfg->stats.offsets_size += emit_offset_table (acfg, "method_info_offsets", acfg->nmethods, 10, offsets);
7767 #endif /* #if !defined(DISABLE_AOT) && !defined(DISABLE_JIT) */
7769 #define rot(x,k) (((x)<<(k)) | ((x)>>(32-(k))))
7770 #define mix(a,b,c) { \
7771 a -= c; a ^= rot(c, 4); c += b; \
7772 b -= a; b ^= rot(a, 6); a += c; \
7773 c -= b; c ^= rot(b, 8); b += a; \
7774 a -= c; a ^= rot(c,16); c += b; \
7775 b -= a; b ^= rot(a,19); a += c; \
7776 c -= b; c ^= rot(b, 4); b += a; \
7778 #define final(a,b,c) { \
7779 c ^= b; c -= rot(b,14); \
7780 a ^= c; a -= rot(c,11); \
7781 b ^= a; b -= rot(a,25); \
7782 c ^= b; c -= rot(b,16); \
7783 a ^= c; a -= rot(c,4); \
7784 b ^= a; b -= rot(a,14); \
7785 c ^= b; c -= rot(b,24); \
7789 mono_aot_type_hash (MonoType *t1)
7791 guint hash = t1->type;
7793 hash |= t1->byref << 6; /* do not collide with t1->type values */
7795 case MONO_TYPE_VALUETYPE:
7796 case MONO_TYPE_CLASS:
7797 case MONO_TYPE_SZARRAY:
7798 /* check if the distribution is good enough */
7799 return ((hash << 5) - hash) ^ mono_metadata_str_hash (t1->data.klass->name);
7801 return ((hash << 5) - hash) ^ mono_metadata_type_hash (t1->data.type);
7802 case MONO_TYPE_ARRAY:
7803 return ((hash << 5) - hash) ^ mono_metadata_type_hash (&t1->data.array->eklass->byval_arg);
7804 case MONO_TYPE_GENERICINST:
7805 return ((hash << 5) - hash) ^ 0;
7812 * mono_aot_method_hash:
7814 * Return a hash code for methods which only depends on metadata.
7817 mono_aot_method_hash (MonoMethod *method)
7819 MonoMethodSignature *sig;
7823 guint32 *hashes_start, *hashes;
7825 MonoGenericInst *class_ginst = NULL;
7826 MonoGenericInst *ginst = NULL;
7828 /* Similar to the hash in mono_method_get_imt_slot () */
7830 sig = mono_method_signature (method);
7832 if (method->klass->generic_class)
7833 class_ginst = method->klass->generic_class->context.class_inst;
7834 if (method->is_inflated)
7835 ginst = ((MonoMethodInflated*)method)->context.method_inst;
7837 hashes_count = sig->param_count + 5 + (class_ginst ? class_ginst->type_argc : 0) + (ginst ? ginst->type_argc : 0);
7838 hashes_start = g_malloc0 (hashes_count * sizeof (guint32));
7839 hashes = hashes_start;
7841 /* Some wrappers are assigned to random classes */
7842 if (!method->wrapper_type || method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
7843 klass = method->klass;
7845 klass = mono_defaults.object_class;
7847 if (!method->wrapper_type) {
7850 if (klass->generic_class)
7851 full_name = mono_type_full_name (&klass->generic_class->container_class->byval_arg);
7853 full_name = mono_type_full_name (&klass->byval_arg);
7855 hashes [0] = mono_metadata_str_hash (full_name);
7859 hashes [0] = mono_metadata_str_hash (klass->name);
7860 hashes [1] = mono_metadata_str_hash (klass->name_space);
7862 if (method->wrapper_type == MONO_WRAPPER_STFLD || method->wrapper_type == MONO_WRAPPER_LDFLD || method->wrapper_type == MONO_WRAPPER_LDFLDA)
7863 /* The method name includes a stringified pointer */
7866 hashes [2] = mono_metadata_str_hash (method->name);
7867 hashes [3] = method->wrapper_type;
7868 hashes [4] = mono_aot_type_hash (sig->ret);
7870 for (i = 0; i < sig->param_count; i++) {
7871 hashes [hindex ++] = mono_aot_type_hash (sig->params [i]);
7874 for (i = 0; i < class_ginst->type_argc; ++i)
7875 hashes [hindex ++] = mono_aot_type_hash (class_ginst->type_argv [i]);
7878 for (i = 0; i < ginst->type_argc; ++i)
7879 hashes [hindex ++] = mono_aot_type_hash (ginst->type_argv [i]);
7881 g_assert (hindex == hashes_count);
7883 /* Setup internal state */
7884 a = b = c = 0xdeadbeef + (((guint32)hashes_count)<<2);
7886 /* Handle most of the hashes */
7887 while (hashes_count > 3) {
7896 /* Handle the last 3 hashes (all the case statements fall through) */
7897 switch (hashes_count) {
7898 case 3 : c += hashes [2];
7899 case 2 : b += hashes [1];
7900 case 1 : a += hashes [0];
7902 case 0: /* nothing left to add */
7906 free (hashes_start);
7915 * mono_aot_get_array_helper_from_wrapper;
7917 * Get the helper method in Array called by an array wrapper method.
7920 mono_aot_get_array_helper_from_wrapper (MonoMethod *method)
7924 MonoGenericContext ctx;
7925 MonoType *args [16];
7926 char *mname, *iname, *s, *s2, *helper_name = NULL;
7928 prefix = "System.Collections.Generic";
7929 s = g_strdup_printf ("%s", method->name + strlen (prefix) + 1);
7930 s2 = strstr (s, "`1.");
7936 //printf ("X: %s %s\n", iname, mname);
7938 if (!strcmp (iname, "IList"))
7939 helper_name = g_strdup_printf ("InternalArray__%s", mname);
7941 helper_name = g_strdup_printf ("InternalArray__%s_%s", iname, mname);
7942 m = mono_class_get_method_from_name (mono_defaults.array_class, helper_name, mono_method_signature (method)->param_count);
7944 g_free (helper_name);
7947 if (m->is_generic) {
7949 memset (&ctx, 0, sizeof (ctx));
7950 args [0] = &method->klass->element_class->byval_arg;
7951 ctx.method_inst = mono_metadata_get_generic_inst (1, args);
7952 m = mono_class_inflate_generic_method_checked (m, &ctx, &error);
7953 g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
7959 #if !defined(DISABLE_AOT) && !defined(DISABLE_JIT)
7961 typedef struct HashEntry {
7962 guint32 key, value, index;
7963 struct HashEntry *next;
7967 * emit_extra_methods:
7969 * Emit methods which are not in the METHOD table, like wrappers.
7972 emit_extra_methods (MonoAotCompile *acfg)
7974 int i, table_size, buf_size;
7977 guint32 *info_offsets;
7980 HashEntry *entry, *new_entry;
7981 int nmethods, max_chain_length;
7984 info_offsets = g_new0 (guint32, acfg->extra_methods->len);
7986 /* Emit method info */
7988 for (i = 0; i < acfg->extra_methods->len; ++i) {
7989 MonoMethod *method = g_ptr_array_index (acfg->extra_methods, i);
7990 MonoCompile *cfg = g_hash_table_lookup (acfg->method_to_cfg, method);
7996 p = buf = g_malloc (buf_size);
8000 method = cfg->method_to_register;
8002 encode_method_ref (acfg, method, p, &p);
8004 g_assert ((p - buf) < buf_size);
8006 info_offsets [i] = add_to_blob (acfg, buf, p - buf);
8011 * Construct a chained hash table for mapping indexes in extra_method_info to
8014 table_size = g_spaced_primes_closest ((int)(nmethods * 1.5));
8015 table = g_ptr_array_sized_new (table_size);
8016 for (i = 0; i < table_size; ++i)
8017 g_ptr_array_add (table, NULL);
8018 chain_lengths = g_new0 (int, table_size);
8019 max_chain_length = 0;
8020 for (i = 0; i < acfg->extra_methods->len; ++i) {
8021 MonoMethod *method = g_ptr_array_index (acfg->extra_methods, i);
8022 MonoCompile *cfg = g_hash_table_lookup (acfg->method_to_cfg, method);
8028 key = info_offsets [i];
8029 value = get_method_index (acfg, method);
8031 hash = mono_aot_method_hash (method) % table_size;
8032 //printf ("X: %s %x\n", mono_method_full_name (method, 1), mono_aot_method_hash (method));
8034 chain_lengths [hash] ++;
8035 max_chain_length = MAX (max_chain_length, chain_lengths [hash]);
8037 new_entry = mono_mempool_alloc0 (acfg->mempool, sizeof (HashEntry));
8038 new_entry->key = key;
8039 new_entry->value = value;
8041 entry = g_ptr_array_index (table, hash);
8042 if (entry == NULL) {
8043 new_entry->index = hash;
8044 g_ptr_array_index (table, hash) = new_entry;
8047 entry = entry->next;
8049 entry->next = new_entry;
8050 new_entry->index = table->len;
8051 g_ptr_array_add (table, new_entry);
8055 //printf ("MAX: %d\n", max_chain_length);
8057 buf_size = table->len * 12 + 4;
8058 p = buf = g_malloc (buf_size);
8059 encode_int (table_size, p, &p);
8061 for (i = 0; i < table->len; ++i) {
8062 HashEntry *entry = g_ptr_array_index (table, i);
8064 if (entry == NULL) {
8065 encode_int (0, p, &p);
8066 encode_int (0, p, &p);
8067 encode_int (0, p, &p);
8069 //g_assert (entry->key > 0);
8070 encode_int (entry->key, p, &p);
8071 encode_int (entry->value, p, &p);
8073 encode_int (entry->next->index, p, &p);
8075 encode_int (0, p, &p);
8078 g_assert (p - buf <= buf_size);
8080 /* Emit the table */
8082 mono_llvm_emit_aot_data ("extra_method_table", buf, p - buf);
8084 sprintf (symbol, "extra_method_table");
8085 emit_section_change (acfg, RODATA_SECT, 0);
8086 emit_alignment (acfg, 8);
8087 emit_label (acfg, symbol);
8088 emit_bytes (acfg, buf, p - buf);
8092 * Emit a table reverse mapping method indexes to their index in extra_method_info.
8093 * This is used by mono_aot_find_jit_info ().
8095 buf_size = acfg->extra_methods->len * 8 + 4;
8096 p = buf = g_malloc (buf_size);
8097 encode_int (acfg->extra_methods->len, p, &p);
8098 for (i = 0; i < acfg->extra_methods->len; ++i) {
8099 MonoMethod *method = g_ptr_array_index (acfg->extra_methods, i);
8101 encode_int (get_method_index (acfg, method), p, &p);
8102 encode_int (info_offsets [i], p, &p);
8105 mono_llvm_emit_aot_data ("extra_method_info_offsets", buf, p - buf);
8107 sprintf (symbol, "extra_method_info_offsets");
8108 emit_section_change (acfg, RODATA_SECT, 0);
8109 emit_alignment (acfg, 8);
8110 emit_label (acfg, symbol);
8111 emit_bytes (acfg, buf, p - buf);
8116 emit_exception_info (MonoAotCompile *acfg)
8120 SeqPointData sp_data;
8121 gboolean seq_points_to_file = FALSE;
8123 offsets = g_new0 (gint32, acfg->nmethods);
8124 for (i = 0; i < acfg->nmethods; ++i) {
8125 if (acfg->cfgs [i]) {
8126 MonoCompile *cfg = acfg->cfgs [i];
8128 // By design aot-runtime decode_exception_debug_info is not able to load sequence point debug data from a file.
8129 // As it is not possible to load debug data from a file its is also not possible to store it in a file.
8130 gboolean method_seq_points_to_file = acfg->aot_opts.gen_seq_points_file &&
8131 cfg->gen_seq_points && !cfg->gen_sdb_seq_points;
8132 gboolean method_seq_points_to_binary = cfg->gen_seq_points && !method_seq_points_to_file;
8134 emit_exception_debug_info (acfg, cfg, method_seq_points_to_binary);
8135 offsets [i] = cfg->ex_info_offset;
8137 if (method_seq_points_to_file) {
8138 if (!seq_points_to_file) {
8139 mono_seq_point_data_init (&sp_data, acfg->nmethods);
8140 seq_points_to_file = TRUE;
8142 mono_seq_point_data_add (&sp_data, cfg->method->token, cfg->method_index, cfg->seq_point_info);
8149 if (seq_points_to_file) {
8150 char *seq_points_aot_file;
8151 mono_image_get_aot_seq_point_path (acfg->image, &seq_points_aot_file);
8152 mono_seq_point_data_write (&sp_data, seq_points_aot_file);
8153 mono_seq_point_data_free (&sp_data);
8154 g_free (seq_points_aot_file);
8157 acfg->stats.offsets_size += emit_offset_table (acfg, "ex_info_offsets", acfg->nmethods, 10, offsets);
8162 emit_unwind_info (MonoAotCompile *acfg)
8167 if (acfg->aot_opts.llvm_only) {
8168 g_assert (acfg->unwind_ops->len == 0);
8173 * The unwind info contains a lot of duplicates so we emit each unique
8174 * entry once, and only store the offset from the start of the table in the
8178 sprintf (symbol, "unwind_info");
8179 emit_section_change (acfg, RODATA_SECT, 1);
8180 emit_alignment (acfg, 8);
8181 emit_info_symbol (acfg, symbol);
8183 for (i = 0; i < acfg->unwind_ops->len; ++i) {
8184 guint32 index = GPOINTER_TO_UINT (g_ptr_array_index (acfg->unwind_ops, i));
8185 guint8 *unwind_info;
8186 guint32 unwind_info_len;
8190 unwind_info = mono_get_cached_unwind_info (index, &unwind_info_len);
8193 encode_value (unwind_info_len, p, &p);
8194 emit_bytes (acfg, buf, p - buf);
8195 emit_bytes (acfg, unwind_info, unwind_info_len);
8197 acfg->stats.unwind_info_size += (p - buf) + unwind_info_len;
8202 emit_class_info (MonoAotCompile *acfg)
8207 offsets = g_new0 (gint32, acfg->image->tables [MONO_TABLE_TYPEDEF].rows);
8208 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i)
8209 offsets [i] = emit_klass_info (acfg, MONO_TOKEN_TYPE_DEF | (i + 1));
8211 acfg->stats.offsets_size += emit_offset_table (acfg, "class_info_offsets", acfg->image->tables [MONO_TABLE_TYPEDEF].rows, 10, offsets);
8215 typedef struct ClassNameTableEntry {
8216 guint32 token, index;
8217 struct ClassNameTableEntry *next;
8218 } ClassNameTableEntry;
8221 emit_class_name_table (MonoAotCompile *acfg)
8223 int i, table_size, buf_size;
8224 guint32 token, hash;
8230 ClassNameTableEntry *entry, *new_entry;
8233 * Construct a chained hash table for mapping class names to typedef tokens.
8235 table_size = g_spaced_primes_closest ((int)(acfg->image->tables [MONO_TABLE_TYPEDEF].rows * 1.5));
8236 table = g_ptr_array_sized_new (table_size);
8237 for (i = 0; i < table_size; ++i)
8238 g_ptr_array_add (table, NULL);
8239 for (i = 0; i < acfg->image->tables [MONO_TABLE_TYPEDEF].rows; ++i) {
8241 token = MONO_TOKEN_TYPE_DEF | (i + 1);
8242 klass = mono_class_get_checked (acfg->image, token, &error);
8244 mono_error_cleanup (&error);
8247 full_name = mono_type_get_name_full (mono_class_get_type (klass), MONO_TYPE_NAME_FORMAT_FULL_NAME);
8248 hash = mono_metadata_str_hash (full_name) % table_size;
8251 /* FIXME: Allocate from the mempool */
8252 new_entry = g_new0 (ClassNameTableEntry, 1);
8253 new_entry->token = token;
8255 entry = g_ptr_array_index (table, hash);
8256 if (entry == NULL) {
8257 new_entry->index = hash;
8258 g_ptr_array_index (table, hash) = new_entry;
8261 entry = entry->next;
8263 entry->next = new_entry;
8264 new_entry->index = table->len;
8265 g_ptr_array_add (table, new_entry);
8269 /* Emit the table */
8270 buf_size = table->len * 4 + 4;
8271 p = buf = g_malloc0 (buf_size);
8273 /* FIXME: Optimize memory usage */
8274 g_assert (table_size < 65000);
8275 encode_int16 (table_size, p, &p);
8276 g_assert (table->len < 65000);
8277 for (i = 0; i < table->len; ++i) {
8278 ClassNameTableEntry *entry = g_ptr_array_index (table, i);
8280 if (entry == NULL) {
8281 encode_int16 (0, p, &p);
8282 encode_int16 (0, p, &p);
8284 encode_int16 (mono_metadata_token_index (entry->token), p, &p);
8286 encode_int16 (entry->next->index, p, &p);
8288 encode_int16 (0, p, &p);
8291 g_assert (p - buf <= buf_size);
8294 mono_llvm_emit_aot_data ("class_name_table", buf, p - buf);
8296 sprintf (symbol, "class_name_table");
8297 emit_section_change (acfg, RODATA_SECT, 0);
8298 emit_alignment (acfg, 8);
8299 emit_label (acfg, symbol);
8300 emit_bytes (acfg, buf, p - buf);
8305 emit_image_table (MonoAotCompile *acfg)
8312 * The image table is small but referenced in a lot of places.
8313 * So we emit it at once, and reference its elements by an index.
8315 buf_size = acfg->image_table->len * 28 + 4;
8316 for (i = 0; i < acfg->image_table->len; i++) {
8317 MonoImage *image = (MonoImage*)g_ptr_array_index (acfg->image_table, i);
8318 MonoAssemblyName *aname = &image->assembly->aname;
8320 buf_size += strlen (image->assembly_name) + strlen (image->guid) + (aname->culture ? strlen (aname->culture) : 1) + strlen ((char*)aname->public_key_token) + 4;
8323 buf = p = g_malloc0 (buf_size);
8324 encode_int (acfg->image_table->len, p, &p);
8325 for (i = 0; i < acfg->image_table->len; i++) {
8326 MonoImage *image = (MonoImage*)g_ptr_array_index (acfg->image_table, i);
8327 MonoAssemblyName *aname = &image->assembly->aname;
8329 /* FIXME: Support multi-module assemblies */
8330 g_assert (image->assembly->image == image);
8332 encode_string (image->assembly_name, p, &p);
8333 encode_string (image->guid, p, &p);
8334 encode_string (aname->culture ? aname->culture : "", p, &p);
8335 encode_string ((const char*)aname->public_key_token, p, &p);
8337 while (GPOINTER_TO_UINT (p) % 8 != 0)
8340 encode_int (aname->flags, p, &p);
8341 encode_int (aname->major, p, &p);
8342 encode_int (aname->minor, p, &p);
8343 encode_int (aname->build, p, &p);
8344 encode_int (aname->revision, p, &p);
8346 g_assert (p - buf <= buf_size);
8349 mono_llvm_emit_aot_data ("image_table", buf, p - buf);
8351 sprintf (symbol, "image_table");
8352 emit_section_change (acfg, RODATA_SECT, 1);
8353 emit_alignment (acfg, 8);
8354 emit_label (acfg, symbol);
8355 emit_bytes (acfg, buf, p - buf);
8362 emit_got_info (MonoAotCompile *acfg, gboolean llvm)
8364 int i, first_plt_got_patch = 0, buf_size;
8366 guint32 *got_info_offsets;
8367 GotInfo *info = llvm ? &acfg->llvm_got_info : &acfg->got_info;
8369 /* Add the patches needed by the PLT to the GOT */
8371 acfg->plt_got_offset_base = acfg->got_offset;
8372 first_plt_got_patch = info->got_patches->len;
8373 for (i = 1; i < acfg->plt_offset; ++i) {
8374 MonoPltEntry *plt_entry = g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
8376 g_ptr_array_add (info->got_patches, plt_entry->ji);
8378 acfg->stats.got_slot_types [plt_entry->ji->type] ++;
8381 acfg->got_offset += acfg->plt_offset;
8386 * - optimize offsets table.
8387 * - reduce number of exported symbols.
8388 * - emit info for a klass only once.
8389 * - determine when a method uses a GOT slot which is guaranteed to be already
8391 * - clean up and document the code.
8392 * - use String.Empty in class libs.
8395 /* Encode info required to decode shared GOT entries */
8396 buf_size = info->got_patches->len * 128;
8397 p = buf = mono_mempool_alloc (acfg->mempool, buf_size);
8398 got_info_offsets = mono_mempool_alloc (acfg->mempool, info->got_patches->len * sizeof (guint32));
8400 acfg->plt_got_info_offsets = mono_mempool_alloc (acfg->mempool, acfg->plt_offset * sizeof (guint32));
8402 if (acfg->plt_offset)
8403 acfg->plt_got_info_offsets [0] = 0;
8405 for (i = 0; i < info->got_patches->len; ++i) {
8406 MonoJumpInfo *ji = g_ptr_array_index (info->got_patches, i);
8411 encode_value (ji->type, p, &p);
8413 encode_patch (acfg, ji, p, &p);
8414 acfg->stats.got_slot_info_sizes [ji->type] += p - p2;
8415 g_assert (p - buf <= buf_size);
8416 got_info_offsets [i] = add_to_blob (acfg, buf, p - buf);
8418 if (!llvm && i >= first_plt_got_patch)
8419 acfg->plt_got_info_offsets [i - first_plt_got_patch + 1] = got_info_offsets [i];
8420 acfg->stats.got_info_size += p - buf;
8423 /* Emit got_info_offsets table */
8425 /* No need to emit offsets for the got plt entries, the plt embeds them directly */
8426 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);
8430 emit_got (MonoAotCompile *acfg)
8434 if (acfg->aot_opts.llvm_only)
8437 /* Don't make GOT global so accesses to it don't need relocations */
8438 sprintf (symbol, "%s", acfg->got_symbol);
8441 emit_unset_mode (acfg);
8442 fprintf (acfg->fp, ".section __DATA, __bss\n");
8443 emit_alignment (acfg, 8);
8445 emit_info_symbol (acfg, "jit_got");
8446 fprintf (acfg->fp, ".lcomm %s, %d\n", acfg->got_symbol, (int)(acfg->got_offset * sizeof (gpointer)));
8448 emit_section_change (acfg, ".bss", 0);
8449 emit_alignment (acfg, 8);
8450 emit_local_symbol (acfg, symbol, "got_end", FALSE);
8451 emit_label (acfg, symbol);
8453 emit_info_symbol (acfg, "jit_got");
8454 if (acfg->got_offset > 0)
8455 emit_zero_bytes (acfg, (int)(acfg->got_offset * sizeof (gpointer)));
8458 sprintf (symbol, "got_end");
8459 emit_label (acfg, symbol);
8462 typedef struct GlobalsTableEntry {
8463 guint32 value, index;
8464 struct GlobalsTableEntry *next;
8465 } GlobalsTableEntry;
8468 emit_globals (MonoAotCompile *acfg)
8474 GlobalsTableEntry *entry, *new_entry;
8476 if (!acfg->aot_opts.static_link)
8480 * When static linking, we emit a table containing our globals.
8484 * Construct a chained hash table for mapping global names to their index in
8485 * the globals table.
8487 table_size = g_spaced_primes_closest ((int)(acfg->globals->len * 1.5));
8488 table = g_ptr_array_sized_new (table_size);
8489 for (i = 0; i < table_size; ++i)
8490 g_ptr_array_add (table, NULL);
8491 for (i = 0; i < acfg->globals->len; ++i) {
8492 char *name = g_ptr_array_index (acfg->globals, i);
8494 hash = mono_metadata_str_hash (name) % table_size;
8496 /* FIXME: Allocate from the mempool */
8497 new_entry = g_new0 (GlobalsTableEntry, 1);
8498 new_entry->value = i;
8500 entry = g_ptr_array_index (table, hash);
8501 if (entry == NULL) {
8502 new_entry->index = hash;
8503 g_ptr_array_index (table, hash) = new_entry;
8506 entry = entry->next;
8508 entry->next = new_entry;
8509 new_entry->index = table->len;
8510 g_ptr_array_add (table, new_entry);
8514 /* Emit the table */
8515 sprintf (symbol, ".Lglobals_hash");
8516 emit_section_change (acfg, RODATA_SECT, 0);
8517 emit_alignment (acfg, 8);
8518 emit_label (acfg, symbol);
8520 /* FIXME: Optimize memory usage */
8521 g_assert (table_size < 65000);
8522 emit_int16 (acfg, table_size);
8523 for (i = 0; i < table->len; ++i) {
8524 GlobalsTableEntry *entry = g_ptr_array_index (table, i);
8526 if (entry == NULL) {
8527 emit_int16 (acfg, 0);
8528 emit_int16 (acfg, 0);
8530 emit_int16 (acfg, entry->value + 1);
8532 emit_int16 (acfg, entry->next->index);
8534 emit_int16 (acfg, 0);
8538 /* Emit the names */
8539 for (i = 0; i < acfg->globals->len; ++i) {
8540 char *name = g_ptr_array_index (acfg->globals, i);
8542 sprintf (symbol, "name_%d", i);
8543 emit_section_change (acfg, RODATA_SECT, 1);
8545 emit_alignment (acfg, 4);
8547 emit_label (acfg, symbol);
8548 emit_string (acfg, name);
8551 /* Emit the globals table */
8552 sprintf (symbol, "globals");
8553 emit_section_change (acfg, ".data", 0);
8554 /* This is not a global, since it is accessed by the init function */
8555 emit_alignment (acfg, 8);
8556 emit_info_symbol (acfg, symbol);
8558 sprintf (symbol, "%sglobals_hash", acfg->temp_prefix);
8559 emit_pointer (acfg, symbol);
8561 for (i = 0; i < acfg->globals->len; ++i) {
8562 char *name = g_ptr_array_index (acfg->globals, i);
8564 sprintf (symbol, "name_%d", i);
8565 emit_pointer (acfg, symbol);
8567 g_assert (strlen (name) < sizeof (symbol));
8568 sprintf (symbol, "%s", name);
8569 emit_pointer (acfg, symbol);
8571 /* Null terminate the table */
8572 emit_int32 (acfg, 0);
8573 emit_int32 (acfg, 0);
8577 emit_mem_end (MonoAotCompile *acfg)
8581 if (acfg->aot_opts.llvm_only)
8584 sprintf (symbol, "mem_end");
8585 emit_section_change (acfg, ".text", 1);
8586 emit_alignment_code (acfg, 8);
8587 emit_label (acfg, symbol);
8591 init_aot_file_info (MonoAotCompile *acfg, MonoAotFileInfo *info, int gc_name_offset)
8595 info->version = MONO_AOT_FILE_VERSION;
8596 info->plt_got_offset_base = acfg->plt_got_offset_base;
8597 info->got_size = acfg->got_offset * sizeof (gpointer);
8598 info->plt_size = acfg->plt_offset;
8599 info->nmethods = acfg->nmethods;
8600 info->flags = acfg->flags;
8601 info->opts = acfg->opts;
8602 info->simd_opts = acfg->simd_opts;
8603 info->gc_name_index = gc_name_offset;
8604 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
8605 info->num_trampolines [i] = acfg->num_trampolines [i];
8606 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
8607 info->trampoline_got_offset_base [i] = acfg->trampoline_got_offset_base [i];
8608 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
8609 info->trampoline_size [i] = acfg->trampoline_size [i];
8610 info->num_rgctx_fetch_trampolines = acfg->aot_opts.nrgctx_fetch_trampolines;
8612 info->double_align = MONO_ABI_ALIGNOF (double);
8613 info->long_align = MONO_ABI_ALIGNOF (gint64);
8614 info->generic_tramp_num = MONO_TRAMPOLINE_NUM;
8615 info->tramp_page_size = acfg->tramp_page_size;
8616 info->nshared_got_entries = acfg->nshared_got_entries;
8617 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
8618 info->tramp_page_code_offsets [i] = acfg->tramp_page_code_offsets [i];
8622 emit_aot_file_info (MonoAotCompile *acfg, MonoAotFileInfo *info)
8626 const char **symbols;
8628 symbols = g_new0 (const char *, MONO_AOT_FILE_INFO_NUM_SYMBOLS);
8630 symbols [sindex ++] = acfg->got_symbol;
8632 symbols [sindex ++] = g_strdup_printf ("%s%s", acfg->user_symbol_prefix, acfg->llvm_got_symbol);
8633 symbols [sindex ++] = acfg->llvm_eh_frame_symbol;
8635 symbols [sindex ++] = NULL;
8636 symbols [sindex ++] = NULL;
8638 /* llvm_get_method */
8639 symbols [sindex ++] = NULL;
8640 /* llvm_get_unbox_tramp */
8641 symbols [sindex ++] = NULL;
8642 if (!acfg->aot_opts.llvm_only) {
8643 symbols [sindex ++] = "jit_code_start";
8644 symbols [sindex ++] = "jit_code_end";
8645 symbols [sindex ++] = "method_addresses";
8647 symbols [sindex ++] = NULL;
8648 symbols [sindex ++] = NULL;
8649 symbols [sindex ++] = NULL;
8651 symbols [sindex ++] = "blob";
8652 symbols [sindex ++] = "class_name_table";
8653 symbols [sindex ++] = "class_info_offsets";
8654 symbols [sindex ++] = "method_info_offsets";
8655 symbols [sindex ++] = "ex_info_offsets";
8656 symbols [sindex ++] = "extra_method_info_offsets";
8657 symbols [sindex ++] = "extra_method_table";
8658 symbols [sindex ++] = "got_info_offsets";
8660 symbols [sindex ++] = "llvm_got_info_offsets";
8662 symbols [sindex ++] = NULL;
8663 symbols [sindex ++] = "mem_end";
8664 symbols [sindex ++] = "image_table";
8665 symbols [sindex ++] = "assembly_guid";
8666 symbols [sindex ++] = "runtime_version";
8667 if (acfg->num_trampoline_got_entries) {
8668 symbols [sindex ++] = "specific_trampolines";
8669 symbols [sindex ++] = "static_rgctx_trampolines";
8670 symbols [sindex ++] = "imt_thunks";
8671 symbols [sindex ++] = "gsharedvt_arg_trampolines";
8673 symbols [sindex ++] = NULL;
8674 symbols [sindex ++] = NULL;
8675 symbols [sindex ++] = NULL;
8676 symbols [sindex ++] = NULL;
8678 if (acfg->aot_opts.static_link) {
8679 symbols [sindex ++] = "globals";
8681 symbols [sindex ++] = NULL;
8683 symbols [sindex ++] = "assembly_name";
8684 symbols [sindex ++] = "plt";
8685 symbols [sindex ++] = "plt_end";
8686 symbols [sindex ++] = "unwind_info";
8687 if (!acfg->aot_opts.llvm_only) {
8688 symbols [sindex ++] = "unbox_trampolines";
8689 symbols [sindex ++] = "unbox_trampolines_end";
8690 symbols [sindex ++] = "unbox_trampoline_addresses";
8692 symbols [sindex ++] = NULL;
8693 symbols [sindex ++] = NULL;
8694 symbols [sindex ++] = NULL;
8697 g_assert (sindex == MONO_AOT_FILE_INFO_NUM_SYMBOLS);
8699 sprintf (symbol, "%smono_aot_file_info", acfg->user_symbol_prefix);
8700 emit_section_change (acfg, ".data", 0);
8701 emit_alignment (acfg, 8);
8702 emit_label (acfg, symbol);
8703 if (!acfg->aot_opts.static_link)
8704 emit_global (acfg, symbol, FALSE);
8706 /* The data emitted here must match MonoAotFileInfo. */
8708 emit_int32 (acfg, info->version);
8709 emit_int32 (acfg, info->dummy);
8712 * We emit pointers to our data structures instead of emitting global symbols which
8713 * point to them, to reduce the number of globals, and because using globals leads to
8714 * various problems (i.e. arm/thumb).
8716 for (i = 0; i < MONO_AOT_FILE_INFO_NUM_SYMBOLS; ++i)
8717 emit_pointer (acfg, symbols [i]);
8719 emit_int32 (acfg, info->plt_got_offset_base);
8720 emit_int32 (acfg, info->got_size);
8721 emit_int32 (acfg, info->plt_size);
8722 emit_int32 (acfg, info->nmethods);
8723 emit_int32 (acfg, info->flags);
8724 emit_int32 (acfg, info->opts);
8725 emit_int32 (acfg, info->simd_opts);
8726 emit_int32 (acfg, info->gc_name_index);
8727 emit_int32 (acfg, info->num_rgctx_fetch_trampolines);
8728 emit_int32 (acfg, info->double_align);
8729 emit_int32 (acfg, info->long_align);
8730 emit_int32 (acfg, info->generic_tramp_num);
8731 emit_int32 (acfg, info->tramp_page_size);
8732 emit_int32 (acfg, info->nshared_got_entries);
8734 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
8735 emit_int32 (acfg, info->num_trampolines [i]);
8736 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
8737 emit_int32 (acfg, info->trampoline_got_offset_base [i]);
8738 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
8739 emit_int32 (acfg, info->trampoline_size [i]);
8740 for (i = 0; i < MONO_AOT_TRAMP_NUM; ++i)
8741 emit_int32 (acfg, info->tramp_page_code_offsets [i]);
8743 if (acfg->aot_opts.static_link) {
8747 * Emit a global symbol which can be passed by an embedding app to
8748 * mono_aot_register_module (). The symbol points to a pointer to the the file info
8751 sprintf (symbol, "%smono_aot_module_%s_info", acfg->user_symbol_prefix, acfg->image->assembly->aname.name);
8753 /* Get rid of characters which cannot occur in symbols */
8755 for (p = symbol; *p; ++p) {
8756 if (!(isalnum (*p) || *p == '_'))
8759 acfg->static_linking_symbol = g_strdup (symbol);
8760 emit_global_inner (acfg, symbol, FALSE);
8761 emit_alignment (acfg, sizeof (gpointer));
8762 emit_label (acfg, symbol);
8763 emit_pointer_2 (acfg, acfg->user_symbol_prefix, "mono_aot_file_info");
8768 * Emit a structure containing all the information not stored elsewhere.
8771 emit_file_info (MonoAotCompile *acfg)
8774 const char *gc_name;
8776 MonoAotFileInfo *info;
8778 if (acfg->aot_opts.bind_to_runtime_version) {
8779 build_info = mono_get_runtime_build_info ();
8780 emit_string_symbol (acfg, "runtime_version", build_info);
8781 g_free (build_info);
8783 emit_string_symbol (acfg, "runtime_version", "");
8786 emit_string_symbol (acfg, "assembly_guid" , acfg->image->guid);
8788 /* Emit a string holding the assembly name */
8789 emit_string_symbol (acfg, "assembly_name", acfg->image->assembly->aname.name);
8792 * The managed allocators are GC specific, so can't use an AOT image created by one GC
8795 gc_name = mono_gc_get_gc_name ();
8796 gc_name_offset = add_to_blob (acfg, (guint8*)gc_name, strlen (gc_name) + 1);
8798 info = g_new0 (MonoAotFileInfo, 1);
8799 init_aot_file_info (acfg, info, gc_name_offset);
8802 mono_llvm_emit_aot_file_info (info, acfg->has_jitted_code);
8804 emit_aot_file_info (acfg, info);
8808 emit_blob (MonoAotCompile *acfg)
8813 mono_llvm_emit_aot_data ("blob", (guint8*)acfg->blob.data, acfg->blob.index);
8817 sprintf (symbol, "blob");
8818 emit_section_change (acfg, RODATA_SECT, 1);
8819 emit_alignment (acfg, 8);
8820 emit_label (acfg, symbol);
8822 emit_bytes (acfg, (guint8*)acfg->blob.data, acfg->blob.index);
8826 emit_objc_selectors (MonoAotCompile *acfg)
8831 if (!acfg->objc_selectors || acfg->objc_selectors->len == 0)
8836 * cat > foo.m << EOF
8839 * return @selector(print:);
8844 mono_img_writer_emit_unset_mode (acfg->w);
8845 g_assert (acfg->fp);
8846 fprintf (acfg->fp, ".section __DATA,__objc_selrefs,literal_pointers,no_dead_strip\n");
8847 fprintf (acfg->fp, ".align 3\n");
8848 for (i = 0; i < acfg->objc_selectors->len; ++i) {
8849 sprintf (symbol, "L_OBJC_SELECTOR_REFERENCES_%d", i);
8850 emit_label (acfg, symbol);
8851 sprintf (symbol, "L_OBJC_METH_VAR_NAME_%d", i);
8852 emit_pointer (acfg, symbol);
8855 fprintf (acfg->fp, ".section __TEXT,__cstring,cstring_literals\n");
8856 for (i = 0; i < acfg->objc_selectors->len; ++i) {
8857 fprintf (acfg->fp, "L_OBJC_METH_VAR_NAME_%d:\n", i);
8858 fprintf (acfg->fp, ".asciz \"%s\"\n", (char*)g_ptr_array_index (acfg->objc_selectors, i));
8861 fprintf (acfg->fp, ".section __DATA,__objc_imageinfo,regular,no_dead_strip\n");
8862 fprintf (acfg->fp, ".align 3\n");
8863 fprintf (acfg->fp, "L_OBJC_IMAGE_INFO:\n");
8864 fprintf (acfg->fp, ".long 0\n");
8865 fprintf (acfg->fp, ".long 16\n");
8869 emit_dwarf_info (MonoAotCompile *acfg)
8871 #ifdef EMIT_DWARF_INFO
8875 /* DIEs for methods */
8876 for (i = 0; i < acfg->nmethods; ++i) {
8877 MonoCompile *cfg = acfg->cfgs [i];
8882 // FIXME: LLVM doesn't define .Lme_...
8883 if (cfg->compile_llvm)
8886 sprintf (symbol2, "%sme_%x", acfg->temp_prefix, i);
8888 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 ()));
8894 collect_methods (MonoAotCompile *acfg)
8897 MonoImage *image = acfg->image;
8899 /* Collect methods */
8900 for (i = 0; i < image->tables [MONO_TABLE_METHOD].rows; ++i) {
8903 guint32 token = MONO_TOKEN_METHOD_DEF | (i + 1);
8905 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
8908 aot_printerrf (acfg, "Failed to load method 0x%x from '%s' due to %s.\n", token, image->name, mono_error_get_message (&error));
8909 aot_printerrf (acfg, "Run with MONO_LOG_LEVEL=debug for more information.\n");
8910 mono_error_cleanup (&error);
8914 /* Load all methods eagerly to skip the slower lazy loading code */
8915 mono_class_setup_methods (method->klass);
8917 if (mono_aot_mode_is_full (&acfg->aot_opts) && method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) {
8918 /* Compile the wrapper instead */
8919 /* We do this here instead of add_wrappers () because it is easy to do it here */
8920 MonoMethod *wrapper = mono_marshal_get_native_wrapper (method, TRUE, TRUE);
8924 /* FIXME: Some mscorlib methods don't have debug info */
8926 if (acfg->aot_opts.soft_debug && !method->wrapper_type) {
8927 if (!((method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
8928 (method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
8929 (method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
8930 (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL))) {
8931 if (!mono_debug_lookup_method (method)) {
8932 fprintf (stderr, "Method %s has no debug info, probably the .mdb file for the assembly is missing.\n", mono_method_full_name (method, TRUE));
8939 if (method->is_generic || method->klass->generic_container)
8940 /* Compile the ref shared version instead */
8941 method = mini_get_shared_method (method);
8943 /* Since we add the normal methods first, their index will be equal to their zero based token index */
8944 add_method_with_index (acfg, method, i, FALSE);
8945 acfg->method_index ++;
8948 /* gsharedvt methods */
8949 for (mindex = 0; mindex < image->tables [MONO_TABLE_METHOD].rows; ++mindex) {
8952 guint32 token = MONO_TOKEN_METHOD_DEF | (mindex + 1);
8954 if (!(acfg->opts & MONO_OPT_GSHAREDVT))
8957 method = mono_get_method_checked (acfg->image, token, NULL, NULL, &error);
8958 report_loader_error (acfg, &error, "Failed to load method token 0x%x due to %s\n", i, mono_error_get_message (&error));
8960 if (method->is_generic || method->klass->generic_container) {
8961 MonoMethod *gshared;
8963 gshared = mini_get_shared_method_full (method, TRUE, TRUE);
8964 add_extra_method (acfg, gshared);
8968 add_generic_instances (acfg);
8970 if (mono_aot_mode_is_full (&acfg->aot_opts))
8971 add_wrappers (acfg);
8976 compile_methods (MonoAotCompile *acfg)
8980 if (acfg->aot_opts.nthreads > 0) {
8985 gpointer *user_data;
8986 MonoMethod **methods;
8988 methods_len = acfg->methods->len;
8990 len = acfg->methods->len / acfg->aot_opts.nthreads;
8993 * Partition the list of methods into fragments, and hand it to threads to
8996 threads = g_ptr_array_new ();
8997 /* Make a copy since acfg->methods is modified by compile_method () */
8998 methods = g_new0 (MonoMethod*, methods_len);
8999 //memcpy (methods, g_ptr_array_index (acfg->methods, 0), sizeof (MonoMethod*) * methods_len);
9000 for (i = 0; i < methods_len; ++i)
9001 methods [i] = g_ptr_array_index (acfg->methods, i);
9003 while (i < methods_len) {
9004 frag = g_ptr_array_new ();
9005 for (j = 0; j < len; ++j) {
9006 if (i < methods_len) {
9007 g_ptr_array_add (frag, methods [i]);
9012 user_data = g_new0 (gpointer, 3);
9013 user_data [0] = mono_domain_get ();
9014 user_data [1] = acfg;
9015 user_data [2] = frag;
9017 handle = mono_threads_create_thread ((gpointer)compile_thread_main, user_data, 0, 0, NULL);
9018 g_ptr_array_add (threads, handle);
9022 for (i = 0; i < threads->len; ++i) {
9023 WaitForSingleObjectEx (g_ptr_array_index (threads, i), INFINITE, FALSE);
9029 /* Compile methods added by compile_method () or all methods if nthreads == 0 */
9030 for (i = methods_len; i < acfg->methods->len; ++i) {
9031 /* This can new methods to acfg->methods */
9032 compile_method (acfg, g_ptr_array_index (acfg->methods, i));
9037 compile_asm (MonoAotCompile *acfg)
9039 char *command, *objfile;
9040 char *outfile_name, *tmp_outfile_name, *llvm_ofile;
9041 const char *tool_prefix = acfg->aot_opts.tool_prefix ? acfg->aot_opts.tool_prefix : "";
9042 char *ld_flags = acfg->aot_opts.ld_flags ? acfg->aot_opts.ld_flags : g_strdup("");
9044 #if defined(TARGET_AMD64) && !defined(TARGET_MACH)
9045 #define AS_OPTIONS "--64"
9046 #elif defined(TARGET_POWERPC64)
9047 #define AS_OPTIONS "-a64 -mppc64"
9048 #define LD_OPTIONS "-m elf64ppc"
9049 #elif defined(sparc) && SIZEOF_VOID_P == 8
9050 #define AS_OPTIONS "-xarch=v9"
9051 #elif defined(TARGET_X86) && defined(TARGET_MACH) && !defined(__native_client_codegen__)
9052 #define AS_OPTIONS "-arch i386"
9054 #define AS_OPTIONS ""
9057 #ifdef __native_client_codegen__
9058 #if defined(TARGET_AMD64)
9059 #define AS_NAME "nacl64-as"
9061 #define AS_NAME "nacl-as"
9063 #elif defined(TARGET_OSX)
9064 #define AS_NAME "clang"
9066 #define AS_NAME "as"
9070 #define LD_OPTIONS ""
9074 #define LD_NAME "ld -shared -G"
9075 #elif defined(__ppc__) && defined(TARGET_MACH)
9076 #define LD_NAME "gcc -dynamiclib"
9077 #elif defined(TARGET_AMD64) && defined(TARGET_MACH)
9078 #define LD_NAME "clang --shared"
9079 #elif defined(TARGET_WIN32) && !defined(TARGET_ANDROID)
9080 #define LD_NAME "gcc -shared --dll"
9081 #elif defined(TARGET_X86) && defined(TARGET_MACH) && !defined(__native_client_codegen__)
9082 #define LD_NAME "clang -m32 -dynamiclib"
9083 #elif defined(TARGET_ARM) && !defined(TARGET_ANDROID)
9084 #define LD_NAME "gcc --shared"
9087 if (acfg->aot_opts.asm_only) {
9088 aot_printf (acfg, "Output file: '%s'.\n", acfg->tmpfname);
9089 if (acfg->aot_opts.static_link)
9090 aot_printf (acfg, "Linking symbol: '%s'.\n", acfg->static_linking_symbol);
9092 aot_printf (acfg, "LLVM output file: '%s'.\n", acfg->llvm_sfile);
9096 if (acfg->aot_opts.static_link) {
9097 if (acfg->aot_opts.outfile)
9098 objfile = g_strdup_printf ("%s", acfg->aot_opts.outfile);
9100 objfile = g_strdup_printf ("%s.o", acfg->image->name);
9102 objfile = g_strdup_printf ("%s.o", acfg->tmpfname);
9106 g_string_append (acfg->as_args, "-c -x assembler");
9109 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);
9110 aot_printf (acfg, "Executing the native assembler: %s\n", command);
9111 if (execute_system (command) != 0) {
9117 if (acfg->llvm && !acfg->llvm_owriter) {
9118 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);
9119 aot_printf (acfg, "Executing the native assembler: %s\n", command);
9120 if (execute_system (command) != 0) {
9129 if (acfg->aot_opts.static_link) {
9130 aot_printf (acfg, "Output file: '%s'.\n", objfile);
9131 aot_printf (acfg, "Linking symbol: '%s'.\n", acfg->static_linking_symbol);
9136 if (acfg->aot_opts.outfile)
9137 outfile_name = g_strdup_printf ("%s", acfg->aot_opts.outfile);
9139 outfile_name = g_strdup_printf ("%s%s", acfg->image->name, MONO_SOLIB_EXT);
9141 tmp_outfile_name = g_strdup_printf ("%s.tmp", outfile_name);
9144 llvm_ofile = g_strdup_printf ("\"%s\"", acfg->llvm_ofile);
9146 llvm_ofile = g_strdup ("");
9149 /* replace the ; flags separators with spaces */
9150 g_strdelimit (ld_flags, ";", ' ');
9152 if (acfg->aot_opts.llvm_only)
9153 ld_flags = g_strdup_printf ("%s %s", ld_flags, "-lstdc++");
9156 command = g_strdup_printf ("%s -o \"%s\" %s \"%s.o\" %s", LD_NAME, tmp_outfile_name, llvm_ofile, acfg->tmpfname, ld_flags);
9158 command = g_strdup_printf ("\"%sld\" %s -shared -o %s %s %s.o %s", tool_prefix, LD_OPTIONS, tmp_outfile_name, llvm_ofile,
9159 acfg->tmpfname, ld_flags);
9161 aot_printf (acfg, "Executing the native linker: %s\n", command);
9162 if (execute_system (command) != 0) {
9163 g_free (tmp_outfile_name);
9164 g_free (outfile_name);
9173 /*com = g_strdup_printf ("strip --strip-unneeded %s%s", acfg->image->name, MONO_SOLIB_EXT);
9174 printf ("Stripping the binary: %s\n", com);
9175 execute_system (com);
9178 #if defined(TARGET_ARM) && !defined(TARGET_MACH)
9180 * gas generates 'mapping symbols' each time code and data is mixed, which
9181 * happens a lot in emit_and_reloc_code (), so we need to get rid of them.
9183 command = g_strdup_printf ("\"%sstrip\" --strip-symbol=\\$a --strip-symbol=\\$d %s", tool_prefix, tmp_outfile_name);
9184 aot_printf (acfg, "Stripping the binary: %s\n", command);
9185 if (execute_system (command) != 0) {
9186 g_free (tmp_outfile_name);
9187 g_free (outfile_name);
9194 rename (tmp_outfile_name, outfile_name);
9196 #if defined(TARGET_MACH)
9197 command = g_strdup_printf ("dsymutil \"%s\"", outfile_name);
9198 aot_printf (acfg, "Executing dsymutil: %s\n", command);
9199 if (execute_system (command) != 0) {
9204 if (!acfg->aot_opts.save_temps)
9207 g_free (tmp_outfile_name);
9208 g_free (outfile_name);
9211 if (acfg->aot_opts.save_temps)
9212 aot_printf (acfg, "Retained input file.\n");
9214 unlink (acfg->tmpfname);
9219 static void init_got_info (GotInfo *info)
9223 info->patch_to_got_offset = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
9224 info->patch_to_got_offset_by_type = g_new0 (GHashTable*, MONO_PATCH_INFO_NUM);
9225 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i)
9226 info->patch_to_got_offset_by_type [i] = g_hash_table_new (mono_patch_info_hash, mono_patch_info_equal);
9227 info->got_patches = g_ptr_array_new ();
9230 static MonoAotCompile*
9231 acfg_create (MonoAssembly *ass, guint32 opts)
9233 MonoImage *image = ass->image;
9234 MonoAotCompile *acfg;
9236 acfg = g_new0 (MonoAotCompile, 1);
9237 acfg->methods = g_ptr_array_new ();
9238 acfg->method_indexes = g_hash_table_new (NULL, NULL);
9239 acfg->method_depth = g_hash_table_new (NULL, NULL);
9240 acfg->plt_offset_to_entry = g_hash_table_new (NULL, NULL);
9241 acfg->patch_to_plt_entry = g_new0 (GHashTable*, MONO_PATCH_INFO_NUM);
9242 acfg->method_to_cfg = g_hash_table_new (NULL, NULL);
9243 acfg->token_info_hash = g_hash_table_new_full (NULL, NULL, NULL, NULL);
9244 acfg->method_to_pinvoke_import = g_hash_table_new_full (NULL, NULL, NULL, g_free);
9245 acfg->image_hash = g_hash_table_new (NULL, NULL);
9246 acfg->image_table = g_ptr_array_new ();
9247 acfg->globals = g_ptr_array_new ();
9248 acfg->image = image;
9250 /* TODO: Write out set of SIMD instructions used, rather than just those available */
9251 acfg->simd_opts = mono_arch_cpu_enumerate_simd_versions ();
9252 acfg->mempool = mono_mempool_new ();
9253 acfg->extra_methods = g_ptr_array_new ();
9254 acfg->unwind_info_offsets = g_hash_table_new (NULL, NULL);
9255 acfg->unwind_ops = g_ptr_array_new ();
9256 acfg->method_label_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
9257 acfg->method_order = g_ptr_array_new ();
9258 acfg->export_names = g_hash_table_new (NULL, NULL);
9259 acfg->klass_blob_hash = g_hash_table_new (NULL, NULL);
9260 acfg->method_blob_hash = g_hash_table_new (NULL, NULL);
9261 acfg->plt_entry_debug_sym_cache = g_hash_table_new (g_str_hash, g_str_equal);
9262 mono_mutex_init_recursive (&acfg->mutex);
9264 init_got_info (&acfg->got_info);
9265 init_got_info (&acfg->llvm_got_info);
9271 got_info_free (GotInfo *info)
9275 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i)
9276 g_hash_table_destroy (info->patch_to_got_offset_by_type [i]);
9277 g_free (info->patch_to_got_offset_by_type);
9278 g_hash_table_destroy (info->patch_to_got_offset);
9279 g_ptr_array_free (info->got_patches, TRUE);
9283 acfg_free (MonoAotCompile *acfg)
9287 mono_img_writer_destroy (acfg->w);
9288 for (i = 0; i < acfg->nmethods; ++i)
9290 g_free (acfg->cfgs [i]);
9291 g_free (acfg->cfgs);
9292 g_free (acfg->static_linking_symbol);
9293 g_free (acfg->got_symbol);
9294 g_free (acfg->plt_symbol);
9295 g_ptr_array_free (acfg->methods, TRUE);
9296 g_ptr_array_free (acfg->image_table, TRUE);
9297 g_ptr_array_free (acfg->globals, TRUE);
9298 g_ptr_array_free (acfg->unwind_ops, TRUE);
9299 g_hash_table_destroy (acfg->method_indexes);
9300 g_hash_table_destroy (acfg->method_depth);
9301 g_hash_table_destroy (acfg->plt_offset_to_entry);
9302 for (i = 0; i < MONO_PATCH_INFO_NUM; ++i) {
9303 if (acfg->patch_to_plt_entry [i])
9304 g_hash_table_destroy (acfg->patch_to_plt_entry [i]);
9306 g_free (acfg->patch_to_plt_entry);
9307 g_hash_table_destroy (acfg->method_to_cfg);
9308 g_hash_table_destroy (acfg->token_info_hash);
9309 g_hash_table_destroy (acfg->method_to_pinvoke_import);
9310 g_hash_table_destroy (acfg->image_hash);
9311 g_hash_table_destroy (acfg->unwind_info_offsets);
9312 g_hash_table_destroy (acfg->method_label_hash);
9313 g_hash_table_destroy (acfg->export_names);
9314 g_hash_table_destroy (acfg->plt_entry_debug_sym_cache);
9315 g_hash_table_destroy (acfg->klass_blob_hash);
9316 g_hash_table_destroy (acfg->method_blob_hash);
9317 got_info_free (&acfg->got_info);
9318 got_info_free (&acfg->llvm_got_info);
9319 mono_mempool_destroy (acfg->mempool);
9323 #define WRAPPER(e,n) n,
9324 static const char* const
9325 wrapper_type_names [MONO_WRAPPER_NUM + 1] = {
9326 #include "mono/metadata/wrapper-types.h"
9330 static G_GNUC_UNUSED const char*
9331 get_wrapper_type_name (int type)
9333 return wrapper_type_names [type];
9339 static void aot_dump (MonoAotCompile *acfg)
9345 mono_json_writer_init (&writer);
9347 mono_json_writer_object_begin(&writer);
9350 mono_json_writer_indent (&writer);
9351 mono_json_writer_object_key(&writer, "methods");
9352 mono_json_writer_array_begin (&writer);
9355 for (i = 0; i < acfg->nmethods; ++i) {
9360 cfg = acfg->cfgs [i];
9364 method = cfg->orig_method;
9366 mono_json_writer_indent (&writer);
9367 mono_json_writer_object_begin(&writer);
9369 mono_json_writer_indent (&writer);
9370 mono_json_writer_object_key(&writer, "name");
9371 mono_json_writer_printf (&writer, "\"%s\",\n", method->name);
9373 mono_json_writer_indent (&writer);
9374 mono_json_writer_object_key(&writer, "signature");
9375 mono_json_writer_printf (&writer, "\"%s\",\n", mono_method_full_name (method,
9376 /*signature=*/TRUE));
9378 mono_json_writer_indent (&writer);
9379 mono_json_writer_object_key(&writer, "code_size");
9380 mono_json_writer_printf (&writer, "\"%d\",\n", cfg->code_size);
9382 klass = method->klass;
9384 mono_json_writer_indent (&writer);
9385 mono_json_writer_object_key(&writer, "class");
9386 mono_json_writer_printf (&writer, "\"%s\",\n", klass->name);
9388 mono_json_writer_indent (&writer);
9389 mono_json_writer_object_key(&writer, "namespace");
9390 mono_json_writer_printf (&writer, "\"%s\",\n", klass->name_space);
9392 mono_json_writer_indent (&writer);
9393 mono_json_writer_object_key(&writer, "wrapper_type");
9394 mono_json_writer_printf (&writer, "\"%s\",\n", get_wrapper_type_name(method->wrapper_type));
9396 mono_json_writer_indent_pop (&writer);
9397 mono_json_writer_indent (&writer);
9398 mono_json_writer_object_end (&writer);
9399 mono_json_writer_printf (&writer, ",\n");
9402 mono_json_writer_indent_pop (&writer);
9403 mono_json_writer_indent (&writer);
9404 mono_json_writer_array_end (&writer);
9405 mono_json_writer_printf (&writer, ",\n");
9409 mono_json_writer_indent_push (&writer);
9410 mono_json_writer_indent (&writer);
9411 mono_json_writer_object_key(&writer, "plt");
9412 mono_json_writer_array_begin (&writer);
9414 for (i = 0; i < acfg->plt_offset; ++i) {
9415 MonoPltEntry *plt_entry = NULL;
9420 * The first plt entry is unused.
9424 plt_entry = g_hash_table_lookup (acfg->plt_offset_to_entry, GUINT_TO_POINTER (i));
9427 mono_json_writer_indent (&writer);
9428 mono_json_writer_printf (&writer, "{ ");
9429 mono_json_writer_object_key(&writer, "symbol");
9430 mono_json_writer_printf (&writer, "\"%s\" },\n", plt_entry->symbol);
9433 mono_json_writer_indent_pop (&writer);
9434 mono_json_writer_indent (&writer);
9435 mono_json_writer_array_end (&writer);
9436 mono_json_writer_printf (&writer, ",\n");
9441 mono_json_writer_indent_push (&writer);
9442 mono_json_writer_indent (&writer);
9443 mono_json_writer_object_key(&writer, "got");
9444 mono_json_writer_array_begin (&writer);
9446 mono_json_writer_indent_push (&writer);
9447 for (i = 0; i < acfg->got_info.got_patches->len; ++i) {
9448 MonoJumpInfo *ji = g_ptr_array_index (acfg->got_info.got_patches, i);
9450 mono_json_writer_indent (&writer);
9451 mono_json_writer_printf (&writer, "{ ");
9452 mono_json_writer_object_key(&writer, "patch_name");
9453 mono_json_writer_printf (&writer, "\"%s\" },\n", get_patch_name (ji->type));
9456 mono_json_writer_indent_pop (&writer);
9457 mono_json_writer_indent (&writer);
9458 mono_json_writer_array_end (&writer);
9459 mono_json_writer_printf (&writer, ",\n");
9462 mono_json_writer_indent_pop (&writer);
9463 mono_json_writer_indent (&writer);
9464 mono_json_writer_object_end (&writer);
9466 dumpname = g_strdup_printf ("%s.json", g_path_get_basename (acfg->image->name));
9467 dumpfile = fopen (dumpname, "w+");
9470 fprintf (dumpfile, "%s", writer.text->str);
9473 mono_json_writer_destroy (&writer);
9476 static const char *preinited_jit_icalls[] = {
9477 "mono_aot_init_llvm_method",
9478 "mono_aot_init_gshared_method_this",
9479 "mono_aot_init_gshared_method_rgctx",
9480 "mono_llvm_throw_corlib_exception",
9481 "mono_resolve_vcall",
9482 "mono_helper_ldstr_mscorlib"
9486 add_preinit_got_slots (MonoAotCompile *acfg)
9492 * Allocate the first few GOT entries to information which is needed frequently, or it is needed
9493 * during method initialization etc.
9496 ji = mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
9497 ji->type = MONO_PATCH_INFO_IMAGE;
9498 ji->data.image = acfg->image;
9499 get_got_offset (acfg, FALSE, ji);
9500 get_got_offset (acfg, TRUE, ji);
9502 ji = mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
9503 ji->type = MONO_PATCH_INFO_MSCORLIB_GOT_ADDR;
9504 get_got_offset (acfg, FALSE, ji);
9505 get_got_offset (acfg, TRUE, ji);
9507 ji = mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
9508 ji->type = MONO_PATCH_INFO_GC_CARD_TABLE_ADDR;
9509 get_got_offset (acfg, FALSE, ji);
9510 get_got_offset (acfg, TRUE, ji);
9512 ji = mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
9513 ji->type = MONO_PATCH_INFO_GC_NURSERY_START;
9514 get_got_offset (acfg, FALSE, ji);
9515 get_got_offset (acfg, TRUE, ji);
9517 ji = mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
9518 ji->type = MONO_PATCH_INFO_JIT_TLS_ID;
9519 get_got_offset (acfg, FALSE, ji);
9520 get_got_offset (acfg, TRUE, ji);
9522 ji = mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
9523 ji->type = MONO_PATCH_INFO_AOT_MODULE;
9524 get_got_offset (acfg, FALSE, ji);
9525 get_got_offset (acfg, TRUE, ji);
9527 ji = mono_mempool_alloc0 (acfg->mempool, sizeof (MonoJumpInfo));
9528 ji->type = MONO_PATCH_INFO_GC_NURSERY_BITS;
9529 get_got_offset (acfg, FALSE, ji);
9530 get_got_offset (acfg, TRUE, ji);
9532 for (i = 0; i < sizeof (preinited_jit_icalls) / sizeof (char*); ++i) {
9533 ji = mono_mempool_alloc0 (acfg->mempool, sizeof (MonoAotCompile));
9534 ji->type = MONO_PATCH_INFO_INTERNAL_METHOD;
9535 ji->data.name = preinited_jit_icalls [i];
9536 get_got_offset (acfg, FALSE, ji);
9537 get_got_offset (acfg, TRUE, ji);
9540 acfg->nshared_got_entries = acfg->got_offset;
9544 mono_compile_assembly (MonoAssembly *ass, guint32 opts, const char *aot_options)
9546 MonoImage *image = ass->image;
9549 MonoAotCompile *acfg;
9550 char *outfile_name, *tmp_outfile_name, *p;
9551 char llvm_stats_msg [256];
9555 acfg = acfg_create (ass, opts);
9557 memset (&acfg->aot_opts, 0, sizeof (acfg->aot_opts));
9558 acfg->aot_opts.write_symbols = TRUE;
9559 acfg->aot_opts.ntrampolines = 1024;
9560 acfg->aot_opts.nrgctx_trampolines = 1024;
9561 acfg->aot_opts.nimt_trampolines = 128;
9562 acfg->aot_opts.nrgctx_fetch_trampolines = 128;
9563 acfg->aot_opts.ngsharedvt_arg_trampolines = 128;
9564 acfg->aot_opts.llvm_path = g_strdup ("");
9565 acfg->aot_opts.temp_path = g_strdup ("");
9567 acfg->aot_opts.use_trampolines_page = TRUE;
9570 mono_aot_parse_options (aot_options, &acfg->aot_opts);
9572 if (acfg->aot_opts.logfile) {
9573 acfg->logfile = fopen (acfg->aot_opts.logfile, "a+");
9576 //acfg->aot_opts.print_skipped_methods = TRUE;
9578 #if !defined(MONO_ARCH_GSHAREDVT_SUPPORTED) || !defined(ENABLE_GSHAREDVT)
9579 if (opts & MONO_OPT_GSHAREDVT) {
9580 aot_printerrf (acfg, "-O=gsharedvt not supported on this platform.\n");
9585 aot_printf (acfg, "Mono Ahead of Time compiler - compiling assembly %s\n", image->name);
9587 #ifndef MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES
9588 if (mono_aot_mode_is_full (&acfg->aot_opts)) {
9589 aot_printerrf (acfg, "--aot=full is not supported on this platform.\n");
9594 if (acfg->aot_opts.direct_pinvoke && !acfg->aot_opts.static_link) {
9595 aot_printerrf (acfg, "The 'direct-pinvoke' AOT option also requires the 'static' AOT option.\n");
9599 if (acfg->aot_opts.static_link)
9600 acfg->aot_opts.asm_writer = TRUE;
9602 if (acfg->aot_opts.soft_debug) {
9603 MonoDebugOptions *opt = mini_get_debug_options ();
9605 opt->mdb_optimizations = TRUE;
9606 opt->gen_sdb_seq_points = TRUE;
9608 if (!mono_debug_enabled ()) {
9609 aot_printerrf (acfg, "The soft-debug AOT option requires the --debug option.\n");
9612 acfg->flags |= MONO_AOT_FILE_FLAG_DEBUG;
9615 if (mono_use_llvm || acfg->aot_opts.llvm) {
9617 acfg->aot_opts.asm_writer = TRUE;
9618 acfg->flags |= MONO_AOT_FILE_FLAG_WITH_LLVM;
9620 if (acfg->aot_opts.soft_debug) {
9621 aot_printerrf (acfg, "The 'soft-debug' option is not supported when compiling with LLVM.\n");
9627 if (acfg->aot_opts.asm_only && !acfg->aot_opts.llvm_outfile) {
9628 aot_printerrf (acfg, "Compiling with LLVM and the asm-only option requires the llvm-outputfile= option.");
9633 * Emit all LLVM code into a separate assembly/object file and link with it
9636 if (!acfg->aot_opts.asm_only) {
9637 acfg->llvm_owriter = TRUE;
9638 } else if (acfg->aot_opts.llvm_outfile) {
9639 int len = strlen (acfg->aot_opts.llvm_outfile);
9641 if (len >= 2 && acfg->aot_opts.llvm_outfile [len - 2] == '.' && acfg->aot_opts.llvm_outfile [len - 1] == 'o')
9642 acfg->llvm_owriter = TRUE;
9646 if (mono_aot_mode_is_full (&acfg->aot_opts))
9647 acfg->flags |= MONO_AOT_FILE_FLAG_FULL_AOT;
9649 if (mono_threads_is_coop_enabled ())
9650 acfg->flags |= MONO_AOT_FILE_FLAG_SAFEPOINTS;
9652 if (acfg->aot_opts.instances_logfile_path) {
9653 acfg->instances_logfile = fopen (acfg->aot_opts.instances_logfile_path, "w");
9654 if (!acfg->instances_logfile) {
9655 aot_printerrf (acfg, "Unable to create logfile: '%s'.\n", acfg->aot_opts.instances_logfile_path);
9660 load_profile_files (acfg);
9662 acfg->num_trampolines [MONO_AOT_TRAMP_SPECIFIC] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.ntrampolines : 0;
9663 #ifdef MONO_ARCH_GSHARED_SUPPORTED
9664 acfg->num_trampolines [MONO_AOT_TRAMP_STATIC_RGCTX] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.nrgctx_trampolines : 0;
9666 acfg->num_trampolines [MONO_AOT_TRAMP_IMT_THUNK] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.nimt_trampolines : 0;
9667 #ifdef MONO_ARCH_GSHAREDVT_SUPPORTED
9668 if (acfg->opts & MONO_OPT_GSHAREDVT)
9669 acfg->num_trampolines [MONO_AOT_TRAMP_GSHAREDVT_ARG] = mono_aot_mode_is_full (&acfg->aot_opts) ? acfg->aot_opts.ngsharedvt_arg_trampolines : 0;
9672 acfg->temp_prefix = mono_img_writer_get_temp_label_prefix (NULL);
9676 if (acfg->llvm && acfg->thumb_mixed)
9677 acfg->flags |= MONO_AOT_FILE_FLAG_LLVM_THUMB;
9678 if (acfg->aot_opts.llvm_only)
9679 acfg->flags |= MONO_AOT_FILE_FLAG_LLVM_ONLY;
9681 acfg->assembly_name_sym = g_strdup (acfg->image->assembly->aname.name);
9682 /* Get rid of characters which cannot occur in symbols */
9683 for (p = acfg->assembly_name_sym; *p; ++p) {
9684 if (!(isalnum (*p) || *p == '_'))
9688 acfg->global_prefix = g_strdup_printf ("mono_aot_%s", acfg->assembly_name_sym);
9689 acfg->plt_symbol = g_strdup_printf ("%s_plt", acfg->global_prefix);
9690 acfg->got_symbol = g_strdup_printf ("%s_got", acfg->global_prefix);
9692 acfg->llvm_got_symbol = g_strdup_printf ("%s_llvm_got", acfg->global_prefix);
9693 acfg->llvm_eh_frame_symbol = g_strdup_printf ("%s_eh_frame", acfg->global_prefix);
9696 acfg->method_index = 1;
9698 if (mono_aot_mode_is_full (&acfg->aot_opts))
9699 mono_set_partial_sharing_supported (TRUE);
9701 res = collect_methods (acfg);
9705 acfg->cfgs_size = acfg->methods->len + 32;
9706 acfg->cfgs = g_new0 (MonoCompile*, acfg->cfgs_size);
9708 /* PLT offset 0 is reserved for the PLT trampoline */
9709 acfg->plt_offset = 1;
9710 add_preinit_got_slots (acfg);
9715 mono_llvm_create_aot_module (acfg->image->assembly, acfg->global_prefix, TRUE, acfg->aot_opts.static_link, acfg->aot_opts.llvm_only);
9721 compile_methods (acfg);
9725 acfg->stats.jit_time = TV_ELAPSED (atv, btv);
9731 if (acfg->aot_opts.asm_only) {
9732 if (acfg->aot_opts.outfile) {
9733 acfg->tmpfname = g_strdup_printf ("%s", acfg->aot_opts.outfile);
9734 acfg->tmpbasename = g_strdup (acfg->tmpfname);
9736 acfg->tmpbasename = g_strdup_printf ("%s", acfg->image->name);
9737 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->tmpbasename);
9739 g_assert (acfg->aot_opts.llvm_outfile);
9740 acfg->llvm_sfile = g_strdup (acfg->aot_opts.llvm_outfile);
9741 if (acfg->llvm_owriter)
9742 acfg->llvm_ofile = g_strdup (acfg->aot_opts.llvm_outfile);
9744 acfg->llvm_sfile = g_strdup (acfg->aot_opts.llvm_outfile);
9746 acfg->tmpbasename = (strcmp (acfg->aot_opts.temp_path, "") == 0) ?
9747 g_strdup_printf ("%s", "temp") :
9748 g_build_filename (acfg->aot_opts.temp_path, "temp", NULL);
9750 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->tmpbasename);
9751 acfg->llvm_sfile = g_strdup_printf ("%s-llvm.s", acfg->tmpbasename);
9752 acfg->llvm_ofile = g_strdup_printf ("%s-llvm.o", acfg->tmpbasename);
9757 if (acfg->aot_opts.asm_only) {
9758 if (acfg->aot_opts.outfile)
9759 acfg->tmpfname = g_strdup_printf ("%s", acfg->aot_opts.outfile);
9761 acfg->tmpfname = g_strdup_printf ("%s.s", acfg->image->name);
9762 acfg->fp = fopen (acfg->tmpfname, "w+");
9764 int i = g_file_open_tmp ("mono_aot_XXXXXX", &acfg->tmpfname, NULL);
9765 acfg->fp = fdopen (i, "w+");
9767 if (acfg->fp == 0) {
9768 aot_printerrf (acfg, "Unable to open file '%s': %s\n", acfg->tmpfname, strerror (errno));
9771 acfg->w = mono_img_writer_create (acfg->fp, FALSE);
9773 tmp_outfile_name = NULL;
9774 outfile_name = NULL;
9776 /* Compute symbols for methods */
9777 for (i = 0; i < acfg->nmethods; ++i) {
9778 if (acfg->cfgs [i]) {
9779 MonoCompile *cfg = acfg->cfgs [i];
9780 int method_index = get_method_index (acfg, cfg->orig_method);
9782 if (COMPILE_LLVM (cfg))
9783 cfg->asm_symbol = g_strdup_printf ("%s%s", acfg->llvm_label_prefix, cfg->llvm_method_name);
9784 else if (acfg->global_symbols || acfg->llvm)
9785 cfg->asm_symbol = get_debug_sym (cfg->orig_method, "", acfg->method_label_hash);
9787 cfg->asm_symbol = g_strdup_printf ("%s%sm_%x", acfg->temp_prefix, acfg->llvm_label_prefix, method_index);
9788 cfg->asm_debug_symbol = cfg->asm_symbol;
9792 if (acfg->aot_opts.dwarf_debug && acfg->aot_opts.asm_only && acfg->aot_opts.gnu_asm) {
9794 * CLANG supports GAS .file/.loc directives, so emit line number information this way
9795 * FIXME: CLANG only emits line number info for .loc directives followed by assembly, not
9798 //acfg->gas_line_numbers = TRUE;
9801 if ((!acfg->aot_opts.nodebug || acfg->aot_opts.dwarf_debug) && acfg->has_jitted_code) {
9802 if (acfg->aot_opts.dwarf_debug && !mono_debug_enabled ()) {
9803 aot_printerrf (acfg, "The dwarf AOT option requires the --debug option.\n");
9806 acfg->dwarf = mono_dwarf_writer_create (acfg->w, NULL, 0, FALSE, !acfg->gas_line_numbers);
9809 mono_img_writer_emit_start (acfg->w);
9812 mono_dwarf_writer_emit_base_info (acfg->dwarf, g_path_get_basename (acfg->image->name), mono_unwind_get_cie_program ());
9818 emit_extra_methods (acfg);
9820 emit_trampolines (acfg);
9822 emit_class_name_table (acfg);
9824 emit_got_info (acfg, FALSE);
9826 emit_got_info (acfg, TRUE);
9828 emit_exception_info (acfg);
9830 emit_unwind_info (acfg);
9832 emit_class_info (acfg);
9836 emit_image_table (acfg);
9840 emit_file_info (acfg);
9844 emit_objc_selectors (acfg);
9846 emit_globals (acfg);
9849 emit_dwarf_info (acfg);
9850 mono_dwarf_writer_close (acfg->dwarf);
9853 emit_mem_end (acfg);
9855 if (acfg->need_pt_gnu_stack) {
9856 /* This is required so the .so doesn't have an executable stack */
9857 /* The bin writer already emits this */
9858 fprintf (acfg->fp, "\n.section .note.GNU-stack,\"\",@progbits\n");
9865 res = emit_llvm_file (acfg);
9873 acfg->stats.gen_time = TV_ELAPSED (atv, btv);
9876 sprintf (llvm_stats_msg, ", LLVM: %d (%d%%)", acfg->stats.llvm_count, acfg->stats.mcount ? (acfg->stats.llvm_count * 100) / acfg->stats.mcount : 100);
9878 strcpy (llvm_stats_msg, "");
9880 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;
9882 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",
9883 (int)acfg->stats.code_size, (int)(acfg->stats.code_size * 100 / all_sizes),
9884 (int)acfg->stats.info_size, (int)(acfg->stats.info_size * 100 / all_sizes),
9885 (int)acfg->stats.ex_info_size, (int)(acfg->stats.ex_info_size * 100 / all_sizes),
9886 (int)acfg->stats.unwind_info_size, (int)(acfg->stats.unwind_info_size * 100 / all_sizes),
9887 (int)acfg->stats.class_info_size, (int)(acfg->stats.class_info_size * 100 / all_sizes),
9888 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,
9889 (int)acfg->stats.got_info_size, (int)(acfg->stats.got_info_size * 100 / all_sizes),
9890 (int)acfg->stats.offsets_size, (int)(acfg->stats.offsets_size * 100 / all_sizes),
9891 (int)(acfg->got_offset * sizeof (gpointer)));
9892 aot_printf (acfg, "Compiled: %d/%d (%d%%)%s, No GOT slots: %d (%d%%), Direct calls: %d (%d%%)\n",
9893 acfg->stats.ccount, acfg->stats.mcount, acfg->stats.mcount ? (acfg->stats.ccount * 100) / acfg->stats.mcount : 100,
9895 acfg->stats.methods_without_got_slots, acfg->stats.mcount ? (acfg->stats.methods_without_got_slots * 100) / acfg->stats.mcount : 100,
9896 acfg->stats.direct_calls, acfg->stats.all_calls ? (acfg->stats.direct_calls * 100) / acfg->stats.all_calls : 100);
9897 if (acfg->stats.genericcount)
9898 aot_printf (acfg, "%d methods are generic (%d%%)\n", acfg->stats.genericcount, acfg->stats.mcount ? (acfg->stats.genericcount * 100) / acfg->stats.mcount : 100);
9899 if (acfg->stats.abscount)
9900 aot_printf (acfg, "%d methods contain absolute addresses (%d%%)\n", acfg->stats.abscount, acfg->stats.mcount ? (acfg->stats.abscount * 100) / acfg->stats.mcount : 100);
9901 if (acfg->stats.lmfcount)
9902 aot_printf (acfg, "%d methods contain lmf pointers (%d%%)\n", acfg->stats.lmfcount, acfg->stats.mcount ? (acfg->stats.lmfcount * 100) / acfg->stats.mcount : 100);
9903 if (acfg->stats.ocount)
9904 aot_printf (acfg, "%d methods have other problems (%d%%)\n", acfg->stats.ocount, acfg->stats.mcount ? (acfg->stats.ocount * 100) / acfg->stats.mcount : 100);
9907 res = mono_img_writer_emit_writeout (acfg->w);
9912 res = compile_asm (acfg);
9918 acfg->stats.link_time = TV_ELAPSED (atv, btv);
9920 if (acfg->aot_opts.stats) {
9923 aot_printf (acfg, "GOT slot distribution:\n");
9924 for (i = 0; i < MONO_PATCH_INFO_NONE; ++i)
9925 if (acfg->stats.got_slot_types [i])
9926 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]);
9929 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);
9931 if (acfg->aot_opts.dump_json)
9944 mono_aot_readonly_field_override (MonoClassField *field)
9950 mono_compile_assembly (MonoAssembly *ass, guint32 opts, const char *aot_options)
9956 mono_aot_is_shared_got_offset (int offset)