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);
23 /* use SIG* defines if possible */
29 /* sigcontext surrogate */
42 typedef void (* MonoW32ExceptionHandler) (int _dummy, EXCEPTION_RECORD *info, void *context);
43 void win32_seh_init(void);
44 void win32_seh_cleanup(void);
45 void win32_seh_set_handler(int type, MonoW32ExceptionHandler handler);
59 LONG CALLBACK seh_handler(EXCEPTION_POINTERS* ep);
61 #endif /* HOST_WIN32 */
63 #ifdef sun // Solaris x86
64 # undef SIGSEGV_ON_ALTSTACK
65 # define MONO_ARCH_NOMAP32BIT
68 unsigned short gs, __gsh;
69 unsigned short fs, __fsh;
70 unsigned short es, __esh;
71 unsigned short ds, __dsh;
83 unsigned short cs, __csh;
85 unsigned long esp_at_signal;
86 unsigned short ss, __ssh;
87 unsigned long fpstate[95];
88 unsigned long filler[5];
90 #endif // sun, Solaris x86
93 #define MONO_ARCH_SIMD_INTRINSICS 1
94 #define MONO_ARCH_NEED_SIMD_BANK 1
95 #define MONO_ARCH_USE_SHARED_FP_SIMD_BANK 1
100 #if defined(__APPLE__)
101 #define MONO_ARCH_SIGNAL_STACK_SIZE MINSIGSTKSZ
103 #define MONO_ARCH_SIGNAL_STACK_SIZE (16 * 1024)
106 #define MONO_ARCH_HAVE_RESTORE_STACK_SUPPORT 1
108 #define MONO_ARCH_CPU_SPEC amd64_desc
110 #define MONO_MAX_IREGS 16
112 #define MONO_MAX_FREGS AMD64_XMM_NREG
114 #define MONO_ARCH_FP_RETURN_REG AMD64_XMM0
116 /* xmm15 is reserved for use by some opcodes */
117 #define MONO_ARCH_CALLEE_FREGS 0x7fff
118 #define MONO_ARCH_CALLEE_SAVED_FREGS 0
120 #define MONO_MAX_XREGS MONO_MAX_FREGS
122 #define MONO_ARCH_CALLEE_XREGS 0x7fff
123 #define MONO_ARCH_CALLEE_SAVED_XREGS 0
126 #define MONO_ARCH_CALLEE_REGS AMD64_CALLEE_REGS
127 #define MONO_ARCH_CALLEE_SAVED_REGS AMD64_CALLEE_SAVED_REGS
129 #define MONO_ARCH_USE_FPSTACK FALSE
130 #define MONO_ARCH_FPSTACK_SIZE 0
132 #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 : -1))))))
134 /* RDX is clobbered by the opcode implementation before accessing sreg2 */
135 #define MONO_ARCH_INST_SREG2_MASK(ins) (((ins [MONO_INST_CLOB] == 'a') || (ins [MONO_INST_CLOB] == 'd')) ? (1 << AMD64_RDX) : 0)
137 #define MONO_ARCH_INST_IS_REGPAIR(desc) FALSE
138 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (-1)
140 #define MONO_ARCH_FRAME_ALIGNMENT 16
142 /* fixme: align to 16byte instead of 32byte (we align to 32byte to get
143 * reproduceable results for benchmarks */
144 #define MONO_ARCH_CODE_ALIGNMENT 32
146 #define MONO_ARCH_RETREG1 X86_EAX
147 #define MONO_ARCH_RETREG2 X86_EDX
149 /*This is the max size of the locals area of a given frame. I think 1MB is a safe default for now*/
150 #define MONO_ARCH_MAX_FRAME_SIZE 0x100000
154 * If the lowest bit is set to 1, then this LMF has the rip field set. Otherwise,
155 * the rip field is not set, and the rsp field points to the stack location where
156 * the caller ip is saved.
157 * If the second lowest bit is set to 1, then this is a MonoLMFExt structure, and
158 * the other fields are not valid.
160 gpointer previous_lmf;
162 /* This is only set in trampoline LMF frames */
164 #if defined(__default_codegen__) || defined(HOST_WIN32)
166 #elif defined(__native_client_codegen__)
167 /* On 64-bit compilers, default alignment is 8 for this field, */
168 /* this allows the structure to match for 32-bit compilers. */
169 guint64 rip __attribute__ ((aligned(8)));
184 typedef struct MonoCompileArch {
185 gint32 localloc_offset;
186 gint32 reg_save_area_offset;
187 gint32 stack_alloc_size;
189 gboolean omit_fp, omit_fp_computed, no_pushes;
191 gint32 async_point_count;
192 gpointer vret_addr_loc;
196 gpointer seq_point_info_var;
197 gpointer ss_trigger_page_var;
201 #define MONO_CONTEXT_SET_LLVM_EXC_REG(ctx, exc) do { (ctx)->rax = (gsize)exc; } while (0)
203 #define MONO_ARCH_INIT_TOP_LMF_ENTRY(lmf)
207 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx, start_func) do { \
209 mono_arch_flush_register_windows (); \
210 stackptr = ((guint64)_AddressOfReturnAddress () - sizeof (void*));\
211 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
212 MONO_CONTEXT_SET_BP ((ctx), stackptr); \
213 MONO_CONTEXT_SET_SP ((ctx), stackptr); \
219 * __builtin_frame_address () is broken on some older gcc versions in the presence of
220 * frame pointer elimination, see bug #82095.
222 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
224 guint64 stackptr = (guint64)&tmp; \
225 mono_arch_flush_register_windows (); \
226 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
227 MONO_CONTEXT_SET_BP ((ctx), stackptr); \
228 MONO_CONTEXT_SET_SP ((ctx), stackptr); \
234 * some icalls like mono_array_new_va needs to be called using a different
235 * calling convention.
237 #define MONO_ARCH_VARARG_ICALLS 1
239 #if !defined( HOST_WIN32 ) && !defined(__native_client__) && !defined(__native_client_codegen__)
241 #define MONO_ARCH_USE_SIGACTION 1
243 #ifdef HAVE_WORKING_SIGALTSTACK
245 #define MONO_ARCH_SIGSEGV_ON_ALTSTACK
249 #endif /* !HOST_WIN32 && !__native_client__ */
251 #if defined (__APPLE__)
253 #define MONO_ARCH_NOMAP32BIT
255 #elif defined (__NetBSD__)
275 #define MONO_ARCH_NOMAP32BIT
277 #elif defined (__OpenBSD__)
279 #define MONO_ARCH_NOMAP32BIT
281 #elif defined (__DragonFly__)
283 #define MONO_ARCH_NOMAP32BIT
285 #elif defined (__FreeBSD__)
306 * FreeBSD does not have MAP_32BIT, so code allocated by the code manager might not have a
309 #define MONO_ARCH_NOMAP32BIT
311 #endif /* __FreeBSD__ */
314 #define MONO_AMD64_ARG_REG1 AMD64_RCX
315 #define MONO_AMD64_ARG_REG2 AMD64_RDX
317 #define MONO_AMD64_ARG_REG1 AMD64_RDI
318 #define MONO_AMD64_ARG_REG2 AMD64_RSI
321 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
322 #define MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
324 #define MONO_ARCH_EMULATE_CONV_R8_UN 1
325 #define MONO_ARCH_EMULATE_FREM 1
326 #define MONO_ARCH_HAVE_IS_INT_OVERFLOW 1
328 #define MONO_ARCH_ENABLE_REGALLOC_IN_EH_BLOCKS 1
329 #if !defined(__APPLE__)
330 #define MONO_ARCH_ENABLE_MONO_LMF_VAR 1
332 #define MONO_ARCH_HAVE_INVALIDATE_METHOD 1
333 #define MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE 1
334 #define MONO_ARCH_HAVE_ATOMIC_ADD 1
335 #define MONO_ARCH_HAVE_ATOMIC_EXCHANGE 1
336 #define MONO_ARCH_HAVE_ATOMIC_CAS 1
337 #define MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES 1
338 #define MONO_ARCH_HAVE_IMT 1
339 #define MONO_ARCH_HAVE_TLS_GET (mono_amd64_have_tls_get ())
340 #define MONO_ARCH_IMT_REG AMD64_R10
341 #define MONO_ARCH_IMT_SCRATCH_REG AMD64_R11
342 #define MONO_ARCH_VTABLE_REG MONO_AMD64_ARG_REG1
344 * We use r10 for the imt/rgctx register rather than r11 because r11 is
345 * used by the trampoline as a scratch register and hence might be
346 * clobbered across method call boundaries.
348 #define MONO_ARCH_RGCTX_REG MONO_ARCH_IMT_REG
349 #define MONO_ARCH_HAVE_CMOV_OPS 1
350 #define MONO_ARCH_HAVE_NOTIFY_PENDING_EXC 1
351 #define MONO_ARCH_HAVE_EXCEPTIONS_INIT 1
352 #define MONO_ARCH_ENABLE_GLOBAL_RA 1
353 #define MONO_ARCH_HAVE_GENERALIZED_IMT_THUNK 1
354 #define MONO_ARCH_HAVE_LIVERANGE_OPS 1
355 #define MONO_ARCH_HAVE_XP_UNWIND 1
356 #define MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX 1
357 #if !defined(HOST_WIN32)
358 #define MONO_ARCH_MONITOR_OBJECT_REG MONO_AMD64_ARG_REG1
360 #define MONO_ARCH_HAVE_GET_TRAMPOLINES 1
362 #define MONO_ARCH_AOT_SUPPORTED 1
363 #if !defined( HOST_WIN32 ) && !defined( __native_client__ )
364 #define MONO_ARCH_SOFT_DEBUG_SUPPORTED 1
367 #if !defined(HOST_WIN32) || defined(__sun)
368 #define MONO_ARCH_ENABLE_MONITOR_IL_FASTPATH 1
371 #define MONO_ARCH_SUPPORT_TASKLETS 1
374 #define MONO_AMD64_NO_PUSHES 1
377 #define MONO_ARCH_GSHARED_SUPPORTED 1
378 #define MONO_ARCH_DYN_CALL_SUPPORTED 1
379 #define MONO_ARCH_DYN_CALL_PARAM_AREA 0
381 #define MONO_ARCH_HAVE_LLVM_IMT_TRAMPOLINE 1
382 #define MONO_ARCH_LLVM_SUPPORTED 1
383 #define MONO_ARCH_THIS_AS_FIRST_ARG 1
384 #define MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD 1
385 #define MONO_ARCH_HAVE_CARD_TABLE_WBARRIER 1
386 #define MONO_ARCH_HAVE_SETUP_RESUME_FROM_SIGNAL_HANDLER_CTX 1
387 #define MONO_ARCH_GC_MAPS_SUPPORTED 1
388 #define MONO_ARCH_HAVE_CONTEXT_SET_INT_REG 1
389 #define MONO_ARCH_HAVE_SETUP_ASYNC_CALLBACK 1
390 #define MONO_ARCH_HAVE_CREATE_LLVM_NATIVE_THUNK 1
393 mono_amd64_tail_call_supported (MonoMethodSignature *caller_sig, MonoMethodSignature *callee_sig) MONO_INTERNAL;
395 #define MONO_ARCH_USE_OP_TAIL_CALL(caller_sig, callee_sig) mono_amd64_tail_call_supported (caller_sig, callee_sig)
397 /* Used for optimization, not complete */
398 #define MONO_ARCH_IS_OP_MEMBASE(opcode) ((opcode) == OP_X86_PUSH_MEMBASE)
400 #define MONO_ARCH_EMIT_BOUNDS_CHECK(cfg, array_reg, offset, index_reg) do { \
402 MONO_INST_NEW ((cfg), inst, OP_AMD64_ICOMPARE_MEMBASE_REG); \
403 inst->inst_basereg = array_reg; \
404 inst->inst_offset = offset; \
405 inst->sreg2 = index_reg; \
406 MONO_ADD_INS ((cfg)->cbb, inst); \
407 MONO_EMIT_NEW_COND_EXC (cfg, LE_UN, "IndexOutOfRangeException"); \
411 mono_amd64_patch (unsigned char* code, gpointer target) MONO_INTERNAL;
414 mono_amd64_throw_exception (guint64 dummy1, guint64 dummy2, guint64 dummy3, guint64 dummy4,
415 guint64 dummy5, guint64 dummy6,
416 mgreg_t *regs, mgreg_t rip,
417 MonoObject *exc, gboolean rethrow) MONO_INTERNAL;
420 mono_amd64_throw_corlib_exception (guint64 dummy1, guint64 dummy2, guint64 dummy3, guint64 dummy4,
421 guint64 dummy5, guint64 dummy6,
422 mgreg_t *regs, mgreg_t rip,
423 guint32 ex_token_index, gint64 pc_offset) MONO_INTERNAL;
426 mono_amd64_get_original_ip (void) MONO_INTERNAL;
429 mono_amd64_emit_tls_get (guint8* code, int dreg, int tls_offset) MONO_INTERNAL;
432 mono_amd64_have_tls_get (void) MONO_INTERNAL;
435 mono_amd64_get_exception_trampolines (gboolean aot) MONO_INTERNAL;
440 } MonoBreakpointInfo;
442 extern MonoBreakpointInfo mono_breakpoint_info [MONO_BREAKPOINT_ARRAY_SIZE];
446 void mono_arch_unwindinfo_add_push_nonvol (gpointer* monoui, gpointer codebegin, gpointer nextip, guchar reg );
447 void mono_arch_unwindinfo_add_set_fpreg (gpointer* monoui, gpointer codebegin, gpointer nextip, guchar reg );
448 void mono_arch_unwindinfo_add_alloc_stack (gpointer* monoui, gpointer codebegin, gpointer nextip, guint size );
449 guint mono_arch_unwindinfo_get_size (gpointer monoui);
450 void mono_arch_unwindinfo_install_unwind_info (gpointer* monoui, gpointer code, guint code_size);
452 #define MONO_ARCH_HAVE_UNWIND_TABLE 1
455 #endif /* __MONO_MINI_AMD64_H__ */