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>
10 /* use SIG* defines if possible */
16 /* sigcontext surrogate */
29 typedef void (* MonoW32ExceptionHandler) (int _dummy, EXCEPTION_RECORD *info, void *context);
30 void win32_seh_init(void);
31 void win32_seh_cleanup(void);
32 void win32_seh_set_handler(int type, MonoW32ExceptionHandler handler);
46 LONG CALLBACK seh_handler(EXCEPTION_POINTERS* ep);
48 #endif /* HOST_WIN32 */
50 #ifdef sun // Solaris x86
51 # undef SIGSEGV_ON_ALTSTACK
52 # define MONO_ARCH_NOMAP32BIT
55 unsigned short gs, __gsh;
56 unsigned short fs, __fsh;
57 unsigned short es, __esh;
58 unsigned short ds, __dsh;
70 unsigned short cs, __csh;
72 unsigned long esp_at_signal;
73 unsigned short ss, __ssh;
74 unsigned long fpstate[95];
75 unsigned long filler[5];
77 #endif // sun, Solaris x86
79 #define MONO_ARCH_SUPPORT_SIMD_INTRINSICS 1
82 #define MONO_ARCH_SIMD_INTRINSICS 1
83 #define MONO_ARCH_NEED_SIMD_BANK 1
84 #define MONO_ARCH_USE_SHARED_FP_SIMD_BANK 1
89 #define MONO_ARCH_SIGNAL_STACK_SIZE (16 * 1024)
91 #define MONO_ARCH_HAVE_RESTORE_STACK_SUPPORT 1
93 #define MONO_ARCH_CPU_SPEC amd64_desc
95 #define MONO_MAX_IREGS 16
97 #define MONO_MAX_FREGS AMD64_XMM_NREG
99 #define MONO_ARCH_FP_RETURN_REG AMD64_XMM0
101 /* xmm15 is reserved for use by some opcodes */
102 #define MONO_ARCH_CALLEE_FREGS 0x7fff
103 #define MONO_ARCH_CALLEE_SAVED_FREGS 0
105 #define MONO_MAX_XREGS MONO_MAX_FREGS
107 #define MONO_ARCH_CALLEE_XREGS 0x7fff
108 #define MONO_ARCH_CALLEE_SAVED_XREGS 0
111 #define MONO_ARCH_CALLEE_REGS AMD64_CALLEE_REGS
112 #define MONO_ARCH_CALLEE_SAVED_REGS AMD64_CALLEE_SAVED_REGS
114 #define MONO_ARCH_USE_FPSTACK FALSE
115 #define MONO_ARCH_FPSTACK_SIZE 0
117 #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))))))
119 /* RDX is clobbered by the opcode implementation before accessing sreg2 */
120 #define MONO_ARCH_INST_SREG2_MASK(ins) (((ins [MONO_INST_CLOB] == 'a') || (ins [MONO_INST_CLOB] == 'd')) ? (1 << AMD64_RDX) : 0)
122 #define MONO_ARCH_INST_IS_REGPAIR(desc) FALSE
123 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (-1)
125 #define MONO_ARCH_FRAME_ALIGNMENT 16
127 /* fixme: align to 16byte instead of 32byte (we align to 32byte to get
128 * reproduceable results for benchmarks */
129 #define MONO_ARCH_CODE_ALIGNMENT 32
131 #define MONO_ARCH_RETREG1 X86_EAX
132 #define MONO_ARCH_RETREG2 X86_EDX
134 /*This is the max size of the locals area of a given frame. I think 1MB is a safe default for now*/
135 #define MONO_ARCH_MAX_FRAME_SIZE 0x100000
139 * If the lowest bit is set to 1, then this LMF has the rip field set. Otherwise,
140 * the rip field is not set, and the rsp field points to the stack location where
141 * the caller ip is saved.
142 * If the second lowest bit is set to 1, then this is a MonoLMFExt structure, and
143 * the other fields are not valid.
145 gpointer previous_lmf;
147 /* This is only set in trampoline LMF frames */
163 typedef struct MonoCompileArch {
165 gint32 localloc_offset;
166 gint32 reg_save_area_offset;
167 gint32 stack_alloc_size;
168 gboolean omit_fp, omit_fp_computed, no_pushes;
170 gint32 async_point_count;
171 gpointer vret_addr_loc;
175 gpointer ss_trigger_page_var;
194 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->rip = (guint64)(ip); } while (0);
195 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->rbp = (guint64)(bp); } while (0);
196 #define MONO_CONTEXT_SET_SP(ctx,esp) do { (ctx)->rsp = (guint64)(esp); } while (0);
198 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->rip))
199 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->rbp))
200 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->rsp))
202 #define MONO_CONTEXT_SET_LLVM_EXC_REG(ctx, exc) do { (ctx)->rax = (gsize)exc; } while (0)
204 #define MONO_ARCH_INIT_TOP_LMF_ENTRY(lmf)
208 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx, start_func) do { \
210 mono_arch_flush_register_windows (); \
211 stackptr = ((guint64)_AddressOfReturnAddress () - sizeof (void*));\
212 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
213 MONO_CONTEXT_SET_BP ((ctx), stackptr); \
214 MONO_CONTEXT_SET_SP ((ctx), stackptr); \
220 * __builtin_frame_address () is broken on some older gcc versions in the presence of
221 * frame pointer elimination, see bug #82095.
223 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
225 guint64 stackptr = (guint64)&tmp; \
226 mono_arch_flush_register_windows (); \
227 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
228 MONO_CONTEXT_SET_BP ((ctx), stackptr); \
229 MONO_CONTEXT_SET_SP ((ctx), stackptr); \
235 * some icalls like mono_array_new_va needs to be called using a different
236 * calling convention.
238 #define MONO_ARCH_VARARG_ICALLS 1
242 #define MONO_ARCH_USE_SIGACTION 1
244 #ifdef HAVE_WORKING_SIGALTSTACK
246 #define MONO_ARCH_SIGSEGV_ON_ALTSTACK
250 #endif /* HOST_WIN32 */
252 #if defined (__APPLE__)
254 #define MONO_ARCH_NOMAP32BIT
256 #elif defined (__NetBSD__)
276 #define MONO_ARCH_NOMAP32BIT
278 #elif defined (__OpenBSD__)
280 #define MONO_ARCH_NOMAP32BIT
282 #elif defined (__FreeBSD__)
303 * FreeBSD does not have MAP_32BIT, so code allocated by the code manager might not have a
306 #define MONO_ARCH_NOMAP32BIT
308 #endif /* __FreeBSD__ */
311 #define MONO_AMD64_ARG_REG1 AMD64_RCX
312 #define MONO_AMD64_ARG_REG2 AMD64_RDX
314 #define MONO_AMD64_ARG_REG1 AMD64_RDI
315 #define MONO_AMD64_ARG_REG2 AMD64_RSI
318 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
319 #define MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
321 #define MONO_ARCH_EMULATE_CONV_R8_UN 1
322 #define MONO_ARCH_EMULATE_FREM 1
323 #define MONO_ARCH_HAVE_IS_INT_OVERFLOW 1
325 #define MONO_ARCH_ENABLE_REGALLOC_IN_EH_BLOCKS 1
326 #define MONO_ARCH_ENABLE_MONO_LMF_VAR 1
327 #define MONO_ARCH_HAVE_INVALIDATE_METHOD 1
328 #define MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE 1
329 #define MONO_ARCH_HAVE_ATOMIC_ADD 1
330 #define MONO_ARCH_HAVE_ATOMIC_EXCHANGE 1
331 #define MONO_ARCH_HAVE_ATOMIC_CAS 1
332 #define MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES 1
333 #define MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES_2 1
334 #define MONO_ARCH_HAVE_IMT 1
335 #define MONO_ARCH_HAVE_TLS_GET 1
336 #define MONO_ARCH_IMT_REG AMD64_R10
337 #define MONO_ARCH_VTABLE_REG MONO_AMD64_ARG_REG1
339 * We use r10 for the imt/rgctx register rather than r11 because r11 is
340 * used by the trampoline as a scratch register and hence might be
341 * clobbered across method call boundaries.
343 #define MONO_ARCH_RGCTX_REG AMD64_R10
344 #define MONO_ARCH_HAVE_CMOV_OPS 1
345 #define MONO_ARCH_HAVE_NOTIFY_PENDING_EXC 1
346 #define MONO_ARCH_HAVE_EXCEPTIONS_INIT 1
347 #define MONO_ARCH_ENABLE_GLOBAL_RA 1
348 #define MONO_ARCH_HAVE_GENERALIZED_IMT_THUNK 1
349 #define MONO_ARCH_HAVE_LIVERANGE_OPS 1
350 #define MONO_ARCH_HAVE_XP_UNWIND 1
351 #define MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX 1
352 #if !defined(HOST_WIN32)
353 #define MONO_ARCH_MONITOR_OBJECT_REG MONO_AMD64_ARG_REG1
355 #define MONO_ARCH_HAVE_STATIC_RGCTX_TRAMPOLINE 1
356 #define MONO_ARCH_HAVE_GET_TRAMPOLINES 1
358 #define MONO_ARCH_AOT_SUPPORTED 1
360 #define MONO_ARCH_SOFT_DEBUG_SUPPORTED 1
362 #define DISABLE_DEBUGGER_AGENT 1
365 #if !defined(HOST_WIN32) || defined(__sun)
366 #define MONO_ARCH_ENABLE_MONITOR_IL_FASTPATH 1
369 #define MONO_ARCH_SUPPORT_TASKLETS 1
372 #define MONO_AMD64_NO_PUSHES 1
375 #define MONO_ARCH_GSHARED_SUPPORTED 1
376 #define MONO_ARCH_DYN_CALL_SUPPORTED 1
377 #define MONO_ARCH_DYN_CALL_PARAM_AREA 0
379 #define MONO_ARCH_HAVE_LLVM_IMT_TRAMPOLINE 1
380 #define MONO_ARCH_LLVM_SUPPORTED 1
381 #define MONO_ARCH_THIS_AS_FIRST_ARG 1
382 #define MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD 1
383 #define MONO_ARCH_HAVE_CARD_TABLE_WBARRIER 1
384 #define MONO_ARCH_HAVE_SETUP_RESUME_FROM_SIGNAL_HANDLER_CTX 1
387 mono_amd64_tail_call_supported (MonoMethodSignature *caller_sig, MonoMethodSignature *callee_sig) MONO_INTERNAL;
389 #define MONO_ARCH_USE_OP_TAIL_CALL(caller_sig, callee_sig) mono_amd64_tail_call_supported (caller_sig, callee_sig)
391 /* Used for optimization, not complete */
392 #define MONO_ARCH_IS_OP_MEMBASE(opcode) ((opcode) == OP_X86_PUSH_MEMBASE)
394 #define MONO_ARCH_EMIT_BOUNDS_CHECK(cfg, array_reg, offset, index_reg) do { \
396 MONO_INST_NEW ((cfg), inst, OP_AMD64_ICOMPARE_MEMBASE_REG); \
397 inst->inst_basereg = array_reg; \
398 inst->inst_offset = offset; \
399 inst->sreg2 = index_reg; \
400 MONO_ADD_INS ((cfg)->cbb, inst); \
401 MONO_EMIT_NEW_COND_EXC (cfg, LE_UN, "IndexOutOfRangeException"); \
405 mono_amd64_patch (unsigned char* code, gpointer target) MONO_INTERNAL;
408 mono_amd64_throw_exception (guint64 dummy1, guint64 dummy2, guint64 dummy3, guint64 dummy4,
409 guint64 dummy5, guint64 dummy6,
410 mgreg_t *regs, mgreg_t rip,
411 MonoObject *exc, gboolean rethrow) MONO_INTERNAL;
414 mono_amd64_throw_corlib_exception (guint64 dummy1, guint64 dummy2, guint64 dummy3, guint64 dummy4,
415 guint64 dummy5, guint64 dummy6,
416 mgreg_t *regs, mgreg_t rip,
417 guint32 ex_token_index, gint64 pc_offset) MONO_INTERNAL;
420 mono_amd64_get_original_ip (void) MONO_INTERNAL;
423 mono_amd64_emit_tls_get (guint8* code, int dreg, int tls_offset) MONO_INTERNAL;
426 mono_amd64_get_exception_trampolines (gboolean aot) MONO_INTERNAL;
431 } MonoBreakpointInfo;
433 extern MonoBreakpointInfo mono_breakpoint_info [MONO_BREAKPOINT_ARRAY_SIZE];
437 void mono_arch_unwindinfo_add_push_nonvol (gpointer* monoui, gpointer codebegin, gpointer nextip, guchar reg );
438 void mono_arch_unwindinfo_add_set_fpreg (gpointer* monoui, gpointer codebegin, gpointer nextip, guchar reg );
439 void mono_arch_unwindinfo_add_alloc_stack (gpointer* monoui, gpointer codebegin, gpointer nextip, guint size );
440 guint mono_arch_unwindinfo_get_size (gpointer monoui);
441 void mono_arch_unwindinfo_install_unwind_info (gpointer* monoui, gpointer code, guint code_size);
443 #define MONO_ARCH_HAVE_UNWIND_TABLE 1
446 #endif /* __MONO_MINI_AMD64_H__ */