1 #ifndef __MONO_MINI_AMD64_H__
2 #define __MONO_MINI_AMD64_H__
4 #include <mono/arch/amd64/amd64-codegen.h>
5 #include <mono/utils/mono-sigcontext.h>
6 #include <mono/utils/mono-context.h>
9 #ifdef __native_client_codegen__
10 #define kNaClAlignmentAMD64 32
11 #define kNaClAlignmentMaskAMD64 (kNaClAlignmentAMD64 - 1)
13 /* TODO: use kamd64NaClLengthOfCallImm */
14 /* temporarily using kNaClAlignmentAMD64 so padding in */
15 /* image-writer.c doesn't happen */
16 #define kNaClLengthOfCallImm kNaClAlignmentAMD64
18 int is_nacl_call_reg_sequence (guint8* code);
19 void amd64_nacl_clear_legacy_prefix_tag ();
20 void amd64_nacl_tag_legacy_prefix (guint8* code);
21 void amd64_nacl_tag_rex (guint8* code);
22 guint8* amd64_nacl_get_legacy_prefix_tag ();
23 guint8* amd64_nacl_get_rex_tag ();
24 void amd64_nacl_instruction_pre ();
25 void amd64_nacl_instruction_post (guint8 **start, guint8 **end);
26 void amd64_nacl_membase_handler (guint8** code, gint8 basereg, gint32 offset, gint8 dreg);
31 /* use SIG* defines if possible */
36 #if !defined(_MSC_VER)
37 /* sigcontext surrogate */
51 typedef void (* MonoW32ExceptionHandler) (int _dummy, EXCEPTION_POINTERS *info, void *context);
52 void win32_seh_init(void);
53 void win32_seh_cleanup(void);
54 void win32_seh_set_handler(int type, MonoW32ExceptionHandler handler);
68 LONG CALLBACK seh_handler(EXCEPTION_POINTERS* ep);
70 #endif /* HOST_WIN32 */
72 #ifdef sun // Solaris x86
73 # undef SIGSEGV_ON_ALTSTACK
74 # define MONO_ARCH_NOMAP32BIT
77 unsigned short gs, __gsh;
78 unsigned short fs, __fsh;
79 unsigned short es, __esh;
80 unsigned short ds, __dsh;
92 unsigned short cs, __csh;
94 unsigned long esp_at_signal;
95 unsigned short ss, __ssh;
96 unsigned long fpstate[95];
97 unsigned long filler[5];
99 #endif // sun, Solaris x86
102 #define MONO_ARCH_SIMD_INTRINSICS 1
103 #define MONO_ARCH_NEED_SIMD_BANK 1
104 #define MONO_ARCH_USE_SHARED_FP_SIMD_BANK 1
109 #if defined(__APPLE__)
110 #define MONO_ARCH_SIGNAL_STACK_SIZE MINSIGSTKSZ
112 #define MONO_ARCH_SIGNAL_STACK_SIZE (16 * 1024)
115 #define MONO_ARCH_HAVE_RESTORE_STACK_SUPPORT 1
117 #define MONO_ARCH_CPU_SPEC mono_amd64_desc
119 #define MONO_MAX_IREGS 16
121 #define MONO_MAX_FREGS AMD64_XMM_NREG
123 #define MONO_ARCH_FP_RETURN_REG AMD64_XMM0
126 /* xmm5 is used as a scratch register */
127 #define MONO_ARCH_CALLEE_FREGS 0x1f
129 #define MONO_ARCH_CALLEE_SAVED_FREGS (0xffff - 0x3f)
130 #define MONO_ARCH_FP_SCRATCH_REG AMD64_XMM5
132 /* xmm15 is used as a scratch register */
133 #define MONO_ARCH_CALLEE_FREGS 0x7fff
134 #define MONO_ARCH_CALLEE_SAVED_FREGS 0
135 #define MONO_ARCH_FP_SCRATCH_REG AMD64_XMM15
138 #define MONO_MAX_XREGS MONO_MAX_FREGS
140 #define MONO_ARCH_CALLEE_XREGS MONO_ARCH_CALLEE_FREGS
141 #define MONO_ARCH_CALLEE_SAVED_XREGS MONO_ARCH_CALLEE_SAVED_FREGS
144 #define MONO_ARCH_CALLEE_REGS AMD64_CALLEE_REGS
145 #define MONO_ARCH_CALLEE_SAVED_REGS AMD64_CALLEE_SAVED_REGS
147 #define MONO_ARCH_USE_FPSTACK FALSE
148 #define MONO_ARCH_FPSTACK_SIZE 0
150 #define MONO_ARCH_INST_FIXED_REG(desc) ((desc == '\0') ? -1 : ((desc == 'i' ? -1 : ((desc == 'a') ? AMD64_RAX : ((desc == 's') ? AMD64_RCX : ((desc == 'd') ? AMD64_RDX : ((desc == 'A') ? MONO_AMD64_ARG_REG1 : -1)))))))
152 /* RDX is clobbered by the opcode implementation before accessing sreg2 */
153 #define MONO_ARCH_INST_SREG2_MASK(ins) (((ins [MONO_INST_CLOB] == 'a') || (ins [MONO_INST_CLOB] == 'd')) ? (1 << AMD64_RDX) : 0)
155 #define MONO_ARCH_INST_IS_REGPAIR(desc) FALSE
156 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (-1)
158 #define MONO_ARCH_FRAME_ALIGNMENT 16
160 /* fixme: align to 16byte instead of 32byte (we align to 32byte to get
161 * reproduceable results for benchmarks */
162 #define MONO_ARCH_CODE_ALIGNMENT 32
164 /*This is the max size of the locals area of a given frame. I think 1MB is a safe default for now*/
165 #define MONO_ARCH_MAX_FRAME_SIZE 0x100000
169 * If the lowest bit is set, then this LMF has the rip field set. Otherwise,
170 * the rip field is not set, and the rsp field points to the stack location where
171 * the caller ip is saved.
172 * If the second lowest bit is set, then this is a MonoLMFExt structure, and
173 * the other fields are not valid.
174 * If the third lowest bit is set, then this is a MonoLMFTramp structure, and
175 * the 'rbp' field is not valid.
177 gpointer previous_lmf;
178 #if defined(__default_codegen__) || defined(HOST_WIN32)
180 #elif defined(__native_client_codegen__)
181 /* On 64-bit compilers, default alignment is 8 for this field, */
182 /* this allows the structure to match for 32-bit compilers. */
183 guint64 rip __attribute__ ((aligned(8)));
189 /* LMF structure used by the JIT trampolines */
196 typedef struct MonoCompileArch {
197 gint32 localloc_offset;
198 gint32 reg_save_area_offset;
199 gint32 stack_alloc_size;
202 gboolean omit_fp, omit_fp_computed;
204 gint32 async_point_count;
205 gpointer vret_addr_loc;
209 gpointer seq_point_info_var;
210 gpointer ss_trigger_page_var;
211 gpointer ss_tramp_var;
212 gpointer bp_tramp_var;
218 #define FLOAT_PARAM_REGS 4
220 static AMD64_Reg_No param_regs [] = { AMD64_RCX, AMD64_RDX, AMD64_R8, AMD64_R9 };
222 static AMD64_Reg_No return_regs [] = { AMD64_RAX, AMD64_RDX };
225 #define FLOAT_PARAM_REGS 8
227 static AMD64_Reg_No param_regs [] = { AMD64_RDI, AMD64_RSI, AMD64_RDX, AMD64_RCX, AMD64_R8, AMD64_R9 };
229 static AMD64_Reg_No return_regs [] = { AMD64_RAX, AMD64_RDX };
233 /* Method address to call */
235 /* The trampoline reads this, so keep the size explicit */
237 /* If ret_marshal != NONE, this is the reg of the vret arg, else -1 (used in out case) */
238 /* Equivalent of vret_arg_slot in the x86 implementation. */
240 /* The stack slot where the return value will be stored (used in in case) */
242 int stack_usage, map_count;
243 /* If not -1, then make a virtual call using this vtable offset */
245 /* If 1, make an indirect call to the address in the rgctx reg */
247 /* Whenever this is a in or an out call */
249 /* Maps stack slots/registers in the caller to the stack slots/registers in the callee */
250 int map [MONO_ZERO_LEN_ARRAY];
253 /* Structure used by the sequence points in AOTed code */
255 gpointer ss_tramp_addr;
256 gpointer bp_addrs [MONO_ZERO_LEN_ARRAY];
260 mgreg_t regs [PARAM_REGS];
274 ArgValuetypeAddrInIReg,
275 /* gsharedvt argument passed by addr */
278 /* Variable sized gsharedvt argument passed/returned by addr */
279 ArgGsharedvtVariableInReg,
280 ArgNone /* only in pair_storage */
286 ArgStorage storage : 8;
288 /* Only if storage == ArgValuetypeInReg */
289 ArgStorage pair_storage [2];
291 /* The size of each pair (bytes) */
294 /* Only if storage == ArgOnStack */
295 int arg_size; // Bytes, will always be rounded up/aligned to 8 byte boundary
303 gboolean need_stack_align;
305 /* The index of the vret arg in the argument list */
313 #define MONO_CONTEXT_SET_LLVM_EXC_REG(ctx, exc) do { (ctx)->gregs [AMD64_RAX] = (gsize)exc; } while (0)
314 #define MONO_CONTEXT_SET_LLVM_EH_SELECTOR_REG(ctx, sel) do { (ctx)->gregs [AMD64_RDX] = (gsize)(sel); } while (0)
316 #define MONO_ARCH_INIT_TOP_LMF_ENTRY(lmf)
320 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx, start_func) do { \
322 mono_arch_flush_register_windows (); \
323 stackptr = ((guint64)_AddressOfReturnAddress () - sizeof (void*));\
324 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
325 MONO_CONTEXT_SET_BP ((ctx), stackptr); \
326 MONO_CONTEXT_SET_SP ((ctx), stackptr); \
332 * __builtin_frame_address () is broken on some older gcc versions in the presence of
333 * frame pointer elimination, see bug #82095.
335 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
337 guint64 stackptr = (guint64)&tmp; \
338 mono_arch_flush_register_windows (); \
339 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
340 MONO_CONTEXT_SET_BP ((ctx), stackptr); \
341 MONO_CONTEXT_SET_SP ((ctx), stackptr); \
347 * some icalls like mono_array_new_va needs to be called using a different
348 * calling convention.
350 #define MONO_ARCH_VARARG_ICALLS 1
352 #if (!defined( HOST_WIN32 ) && !defined(__native_client__) && !defined(__native_client_codegen__)) && defined (HAVE_SIGACTION)
354 #define MONO_ARCH_USE_SIGACTION 1
356 #ifdef HAVE_WORKING_SIGALTSTACK
358 #define MONO_ARCH_SIGSEGV_ON_ALTSTACK
362 #endif /* !HOST_WIN32 && !__native_client__ */
364 #if !defined(__linux__)
365 #define MONO_ARCH_NOMAP32BIT 1
369 #define MONO_AMD64_ARG_REG1 AMD64_RCX
370 #define MONO_AMD64_ARG_REG2 AMD64_RDX
371 #define MONO_AMD64_ARG_REG3 AMD64_R8
372 #define MONO_AMD64_ARG_REG4 AMD64_R9
374 #define MONO_AMD64_ARG_REG1 AMD64_RDI
375 #define MONO_AMD64_ARG_REG2 AMD64_RSI
376 #define MONO_AMD64_ARG_REG3 AMD64_RDX
377 #define MONO_AMD64_ARG_REG4 AMD64_RCX
380 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
381 #define MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
383 #define MONO_ARCH_EMULATE_CONV_R8_UN 1
384 #define MONO_ARCH_EMULATE_FREM 1
385 #define MONO_ARCH_HAVE_IS_INT_OVERFLOW 1
387 #define MONO_ARCH_ENABLE_MONO_LMF_VAR 1
388 #define MONO_ARCH_HAVE_INVALIDATE_METHOD 1
389 #define MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES 1
390 #define MONO_ARCH_HAVE_TLS_GET (mono_amd64_have_tls_get ())
391 #define MONO_ARCH_IMT_REG AMD64_R10
392 #define MONO_ARCH_IMT_SCRATCH_REG AMD64_R11
393 #define MONO_ARCH_VTABLE_REG MONO_AMD64_ARG_REG1
395 * We use r10 for the imt/rgctx register rather than r11 because r11 is
396 * used by the trampoline as a scratch register and hence might be
397 * clobbered across method call boundaries.
399 #define MONO_ARCH_RGCTX_REG MONO_ARCH_IMT_REG
400 #define MONO_ARCH_EXC_REG AMD64_RAX
401 #define MONO_ARCH_HAVE_CMOV_OPS 1
402 #define MONO_ARCH_HAVE_EXCEPTIONS_INIT 1
403 #define MONO_ARCH_HAVE_GENERALIZED_IMT_THUNK 1
404 #define MONO_ARCH_HAVE_LIVERANGE_OPS 1
405 #define MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX 1
406 #define MONO_ARCH_HAVE_GET_TRAMPOLINES 1
408 #define MONO_ARCH_AOT_SUPPORTED 1
409 #if !defined( __native_client__ )
410 #define MONO_ARCH_SOFT_DEBUG_SUPPORTED 1
413 #define MONO_ARCH_SUPPORT_TASKLETS 1
415 #define MONO_ARCH_GSHARED_SUPPORTED 1
416 #define MONO_ARCH_DYN_CALL_SUPPORTED 1
417 #define MONO_ARCH_DYN_CALL_PARAM_AREA 0
419 #define MONO_ARCH_LLVM_SUPPORTED 1
420 #define MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD 1
421 #define MONO_ARCH_HAVE_CARD_TABLE_WBARRIER 1
422 #define MONO_ARCH_HAVE_SETUP_RESUME_FROM_SIGNAL_HANDLER_CTX 1
423 #define MONO_ARCH_GC_MAPS_SUPPORTED 1
424 #define MONO_ARCH_HAVE_CONTEXT_SET_INT_REG 1
425 #define MONO_ARCH_HAVE_SETUP_ASYNC_CALLBACK 1
426 #define MONO_ARCH_HAVE_CREATE_LLVM_NATIVE_THUNK 1
427 #define MONO_ARCH_HAVE_OP_TAIL_CALL 1
428 #define MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET 1
429 #define MONO_ARCH_HAVE_DUMMY_INIT 1
430 #define MONO_ARCH_HAVE_SDB_TRAMPOLINES 1
431 #define MONO_ARCH_HAVE_PATCH_CODE_NEW 1
432 #define MONO_ARCH_HAVE_OP_GENERIC_CLASS_INIT 1
434 #if defined(TARGET_OSX) || defined(__linux__)
435 #define MONO_ARCH_HAVE_UNWIND_BACKTRACE 1
438 #if defined(TARGET_OSX) || defined(__linux__)
439 #define MONO_ARCH_HAVE_TLS_GET_REG 1
442 #if !defined (TARGET_WIN32)
443 #define MONO_ARCH_GSHAREDVT_SUPPORTED 1
447 #if defined(TARGET_APPLETVOS)
449 #define MONO_ARCH_NEED_DIV_CHECK 1
452 /* Used for optimization, not complete */
453 #define MONO_ARCH_IS_OP_MEMBASE(opcode) ((opcode) == OP_X86_PUSH_MEMBASE)
455 #define MONO_ARCH_EMIT_BOUNDS_CHECK(cfg, array_reg, offset, index_reg) do { \
457 MONO_INST_NEW ((cfg), inst, OP_AMD64_ICOMPARE_MEMBASE_REG); \
458 inst->inst_basereg = array_reg; \
459 inst->inst_offset = offset; \
460 inst->sreg2 = index_reg; \
461 MONO_ADD_INS ((cfg)->cbb, inst); \
462 MONO_EMIT_NEW_COND_EXC (cfg, LE_UN, "IndexOutOfRangeException"); \
466 mono_amd64_patch (unsigned char* code, gpointer target);
469 mono_amd64_throw_exception (guint64 dummy1, guint64 dummy2, guint64 dummy3, guint64 dummy4,
470 guint64 dummy5, guint64 dummy6,
471 MonoContext *mctx, MonoObject *exc, gboolean rethrow);
474 mono_amd64_throw_corlib_exception (guint64 dummy1, guint64 dummy2, guint64 dummy3, guint64 dummy4,
475 guint64 dummy5, guint64 dummy6,
476 MonoContext *mctx, guint32 ex_token_index, gint64 pc_offset);
479 mono_amd64_resume_unwind (guint64 dummy1, guint64 dummy2, guint64 dummy3, guint64 dummy4,
480 guint64 dummy5, guint64 dummy6,
481 MonoContext *mctx, guint32 dummy7, gint64 dummy8);
484 mono_amd64_start_gsharedvt_call (GSharedVtCallInfo *info, gpointer *caller, gpointer *callee, gpointer mrgctx_reg);
487 mono_amd64_get_original_ip (void);
490 mono_amd64_emit_tls_get (guint8* code, int dreg, int tls_offset);
493 mono_amd64_have_tls_get (void);
496 mono_amd64_get_exception_trampolines (gboolean aot);
499 mono_amd64_get_tls_gs_offset (void) MONO_LLVM_INTERNAL;
503 void mono_arch_unwindinfo_add_push_nonvol (gpointer* monoui, gpointer codebegin, gpointer nextip, guchar reg );
504 void mono_arch_unwindinfo_add_set_fpreg (gpointer* monoui, gpointer codebegin, gpointer nextip, guchar reg );
505 void mono_arch_unwindinfo_add_alloc_stack (gpointer* monoui, gpointer codebegin, gpointer nextip, guint size );
506 guint mono_arch_unwindinfo_get_size (gpointer monoui);
507 void mono_arch_unwindinfo_install_unwind_info (gpointer* monoui, gpointer code, guint code_size);
509 #define MONO_ARCH_HAVE_UNWIND_TABLE 1
512 CallInfo* mono_arch_get_call_info (MonoMemPool *mp, MonoMethodSignature *sig);
514 #endif /* __MONO_MINI_AMD64_H__ */