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>
8 #ifdef __native_client_codegen__
9 #define kNaClAlignmentAMD64 32
10 #define kNaClAlignmentMaskAMD64 (kNaClAlignmentAMD64 - 1)
12 /* TODO: use kamd64NaClLengthOfCallImm */
13 /* temporarily using kNaClAlignmentAMD64 so padding in */
14 /* image-writer.c doesn't happen */
15 #define kNaClLengthOfCallImm kNaClAlignmentAMD64
17 int is_nacl_call_reg_sequence(guint8* code);
22 /* use SIG* defines if possible */
28 /* sigcontext surrogate */
41 typedef void (* MonoW32ExceptionHandler) (int _dummy, EXCEPTION_RECORD *info, void *context);
42 void win32_seh_init(void);
43 void win32_seh_cleanup(void);
44 void win32_seh_set_handler(int type, MonoW32ExceptionHandler handler);
58 LONG CALLBACK seh_handler(EXCEPTION_POINTERS* ep);
60 #endif /* HOST_WIN32 */
62 #ifdef sun // Solaris x86
63 # undef SIGSEGV_ON_ALTSTACK
64 # define MONO_ARCH_NOMAP32BIT
67 unsigned short gs, __gsh;
68 unsigned short fs, __fsh;
69 unsigned short es, __esh;
70 unsigned short ds, __dsh;
82 unsigned short cs, __csh;
84 unsigned long esp_at_signal;
85 unsigned short ss, __ssh;
86 unsigned long fpstate[95];
87 unsigned long filler[5];
89 #endif // sun, Solaris x86
91 #define MONO_ARCH_SUPPORT_SIMD_INTRINSICS 1
94 #define MONO_ARCH_SIMD_INTRINSICS 1
95 #define MONO_ARCH_NEED_SIMD_BANK 1
96 #define MONO_ARCH_USE_SHARED_FP_SIMD_BANK 1
101 #define MONO_ARCH_SIGNAL_STACK_SIZE (16 * 1024)
103 #define MONO_ARCH_HAVE_RESTORE_STACK_SUPPORT 1
105 #define MONO_ARCH_CPU_SPEC amd64_desc
107 #define MONO_MAX_IREGS 16
109 #define MONO_MAX_FREGS AMD64_XMM_NREG
111 #define MONO_ARCH_FP_RETURN_REG AMD64_XMM0
113 /* xmm15 is reserved for use by some opcodes */
114 #define MONO_ARCH_CALLEE_FREGS 0x7fff
115 #define MONO_ARCH_CALLEE_SAVED_FREGS 0
117 #define MONO_MAX_XREGS MONO_MAX_FREGS
119 #define MONO_ARCH_CALLEE_XREGS 0x7fff
120 #define MONO_ARCH_CALLEE_SAVED_XREGS 0
123 #define MONO_ARCH_CALLEE_REGS AMD64_CALLEE_REGS
124 #define MONO_ARCH_CALLEE_SAVED_REGS AMD64_CALLEE_SAVED_REGS
126 #define MONO_ARCH_USE_FPSTACK FALSE
127 #define MONO_ARCH_FPSTACK_SIZE 0
129 #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))))))
131 /* RDX is clobbered by the opcode implementation before accessing sreg2 */
132 #define MONO_ARCH_INST_SREG2_MASK(ins) (((ins [MONO_INST_CLOB] == 'a') || (ins [MONO_INST_CLOB] == 'd')) ? (1 << AMD64_RDX) : 0)
134 #define MONO_ARCH_INST_IS_REGPAIR(desc) FALSE
135 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (-1)
137 #define MONO_ARCH_FRAME_ALIGNMENT 16
139 /* fixme: align to 16byte instead of 32byte (we align to 32byte to get
140 * reproduceable results for benchmarks */
141 #define MONO_ARCH_CODE_ALIGNMENT 32
143 #define MONO_ARCH_RETREG1 X86_EAX
144 #define MONO_ARCH_RETREG2 X86_EDX
146 /*This is the max size of the locals area of a given frame. I think 1MB is a safe default for now*/
147 #define MONO_ARCH_MAX_FRAME_SIZE 0x100000
151 * If the lowest bit is set to 1, then this LMF has the rip field set. Otherwise,
152 * the rip field is not set, and the rsp field points to the stack location where
153 * the caller ip is saved.
154 * If the second lowest bit is set to 1, then this is a MonoLMFExt structure, and
155 * the other fields are not valid.
157 gpointer previous_lmf;
159 /* This is only set in trampoline LMF frames */
161 #if defined(__default_codegen__) || defined(HOST_WIN32)
163 #elif defined(__native_client_codegen__)
164 /* On 64-bit compilers, default alignment is 8 for this field, */
165 /* this allows the structure to match for 32-bit compilers. */
166 guint64 rip __attribute__ ((aligned(8)));
181 typedef struct MonoCompileArch {
183 gint32 localloc_offset;
184 gint32 reg_save_area_offset;
185 gint32 stack_alloc_size;
186 gboolean omit_fp, omit_fp_computed, no_pushes;
188 gint32 async_point_count;
189 gpointer vret_addr_loc;
193 gpointer ss_trigger_page_var;
212 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->rip = (guint64)(ip); } while (0);
213 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->rbp = (guint64)(bp); } while (0);
214 #define MONO_CONTEXT_SET_SP(ctx,esp) do { (ctx)->rsp = (guint64)(esp); } while (0);
216 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->rip))
217 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->rbp))
218 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->rsp))
220 #define MONO_CONTEXT_SET_LLVM_EXC_REG(ctx, exc) do { (ctx)->rax = (gsize)exc; } while (0)
222 #define MONO_ARCH_INIT_TOP_LMF_ENTRY(lmf)
226 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx, start_func) do { \
228 mono_arch_flush_register_windows (); \
229 stackptr = ((guint64)_AddressOfReturnAddress () - sizeof (void*));\
230 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
231 MONO_CONTEXT_SET_BP ((ctx), stackptr); \
232 MONO_CONTEXT_SET_SP ((ctx), stackptr); \
238 * __builtin_frame_address () is broken on some older gcc versions in the presence of
239 * frame pointer elimination, see bug #82095.
241 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
243 guint64 stackptr = (guint64)&tmp; \
244 mono_arch_flush_register_windows (); \
245 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
246 MONO_CONTEXT_SET_BP ((ctx), stackptr); \
247 MONO_CONTEXT_SET_SP ((ctx), stackptr); \
253 * some icalls like mono_array_new_va needs to be called using a different
254 * calling convention.
256 #define MONO_ARCH_VARARG_ICALLS 1
258 #if !defined( HOST_WIN32 ) && !defined(__native_client__) && !defined(__native_client_codegen__)
260 #define MONO_ARCH_USE_SIGACTION 1
262 #ifdef HAVE_WORKING_SIGALTSTACK
264 #define MONO_ARCH_SIGSEGV_ON_ALTSTACK
268 #endif /* !HOST_WIN32 && !__native_client__ */
270 #if defined (__APPLE__)
272 #define MONO_ARCH_NOMAP32BIT
274 #elif defined (__NetBSD__)
294 #define MONO_ARCH_NOMAP32BIT
296 #elif defined (__OpenBSD__)
298 #define MONO_ARCH_NOMAP32BIT
300 #elif defined (__FreeBSD__)
321 * FreeBSD does not have MAP_32BIT, so code allocated by the code manager might not have a
324 #define MONO_ARCH_NOMAP32BIT
326 #endif /* __FreeBSD__ */
329 #define MONO_AMD64_ARG_REG1 AMD64_RCX
330 #define MONO_AMD64_ARG_REG2 AMD64_RDX
332 #define MONO_AMD64_ARG_REG1 AMD64_RDI
333 #define MONO_AMD64_ARG_REG2 AMD64_RSI
336 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
337 #define MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
339 #define MONO_ARCH_EMULATE_CONV_R8_UN 1
340 #define MONO_ARCH_EMULATE_FREM 1
341 #define MONO_ARCH_HAVE_IS_INT_OVERFLOW 1
343 #define MONO_ARCH_ENABLE_REGALLOC_IN_EH_BLOCKS 1
344 #define MONO_ARCH_ENABLE_MONO_LMF_VAR 1
345 #define MONO_ARCH_HAVE_INVALIDATE_METHOD 1
346 #define MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE 1
347 #define MONO_ARCH_HAVE_ATOMIC_ADD 1
348 #define MONO_ARCH_HAVE_ATOMIC_EXCHANGE 1
349 #define MONO_ARCH_HAVE_ATOMIC_CAS 1
350 #define MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES 1
351 #define MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES_2 1
352 #define MONO_ARCH_HAVE_IMT 1
353 #define MONO_ARCH_HAVE_TLS_GET 1
354 #if defined(__default_codegen__)
355 #define MONO_ARCH_IMT_REG AMD64_R11
356 #define MONO_ARCH_IMT_SCRATCH_REG AMD64_R10
357 #elif defined(__native_client_codegen__)
358 /* Use r10 as the IMT_REG because R11 is clobbered in the call. */
359 /* Original mono code used R10 as scratch, we can use R11 instead. */
360 #define MONO_ARCH_IMT_REG AMD64_R10
361 #define MONO_ARCH_IMT_SCRATCH_REG AMD64_R11
363 #define MONO_ARCH_VTABLE_REG MONO_AMD64_ARG_REG1
365 * We use r10 for the imt/rgctx register rather than r11 because r11 is
366 * used by the trampoline as a scratch register and hence might be
367 * clobbered across method call boundaries.
369 #define MONO_ARCH_RGCTX_REG AMD64_R10
370 #define MONO_ARCH_HAVE_CMOV_OPS 1
371 #define MONO_ARCH_HAVE_NOTIFY_PENDING_EXC 1
372 #define MONO_ARCH_HAVE_EXCEPTIONS_INIT 1
373 #define MONO_ARCH_ENABLE_GLOBAL_RA 1
374 #define MONO_ARCH_HAVE_GENERALIZED_IMT_THUNK 1
375 #define MONO_ARCH_HAVE_LIVERANGE_OPS 1
376 #define MONO_ARCH_HAVE_XP_UNWIND 1
377 #define MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX 1
378 #if !defined(HOST_WIN32)
379 #define MONO_ARCH_MONITOR_OBJECT_REG MONO_AMD64_ARG_REG1
381 #define MONO_ARCH_HAVE_STATIC_RGCTX_TRAMPOLINE 1
382 #define MONO_ARCH_HAVE_GET_TRAMPOLINES 1
384 #define MONO_ARCH_AOT_SUPPORTED 1
385 #if !defined( HOST_WIN32 ) && !defined( __native_client__ )
386 #define MONO_ARCH_SOFT_DEBUG_SUPPORTED 1
388 #define DISABLE_DEBUGGER_AGENT 1
391 #if !defined(HOST_WIN32) || defined(__sun)
392 #define MONO_ARCH_ENABLE_MONITOR_IL_FASTPATH 1
395 #define MONO_ARCH_SUPPORT_TASKLETS 1
398 #define MONO_AMD64_NO_PUSHES 1
401 #define MONO_ARCH_GSHARED_SUPPORTED 1
402 #define MONO_ARCH_DYN_CALL_SUPPORTED 1
403 #define MONO_ARCH_DYN_CALL_PARAM_AREA 0
405 #define MONO_ARCH_HAVE_LLVM_IMT_TRAMPOLINE 1
406 #define MONO_ARCH_LLVM_SUPPORTED 1
407 #define MONO_ARCH_THIS_AS_FIRST_ARG 1
408 #define MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD 1
409 #define MONO_ARCH_HAVE_CARD_TABLE_WBARRIER 1
410 #define MONO_ARCH_HAVE_SETUP_RESUME_FROM_SIGNAL_HANDLER_CTX 1
413 mono_amd64_tail_call_supported (MonoMethodSignature *caller_sig, MonoMethodSignature *callee_sig) MONO_INTERNAL;
415 #define MONO_ARCH_USE_OP_TAIL_CALL(caller_sig, callee_sig) mono_amd64_tail_call_supported (caller_sig, callee_sig)
417 /* Used for optimization, not complete */
418 #define MONO_ARCH_IS_OP_MEMBASE(opcode) ((opcode) == OP_X86_PUSH_MEMBASE)
420 #define MONO_ARCH_EMIT_BOUNDS_CHECK(cfg, array_reg, offset, index_reg) do { \
422 MONO_INST_NEW ((cfg), inst, OP_AMD64_ICOMPARE_MEMBASE_REG); \
423 inst->inst_basereg = array_reg; \
424 inst->inst_offset = offset; \
425 inst->sreg2 = index_reg; \
426 MONO_ADD_INS ((cfg)->cbb, inst); \
427 MONO_EMIT_NEW_COND_EXC (cfg, LE_UN, "IndexOutOfRangeException"); \
431 mono_amd64_patch (unsigned char* code, gpointer target) MONO_INTERNAL;
434 mono_amd64_throw_exception (guint64 dummy1, guint64 dummy2, guint64 dummy3, guint64 dummy4,
435 guint64 dummy5, guint64 dummy6,
436 mgreg_t *regs, mgreg_t rip,
437 MonoObject *exc, gboolean rethrow) MONO_INTERNAL;
440 mono_amd64_throw_corlib_exception (guint64 dummy1, guint64 dummy2, guint64 dummy3, guint64 dummy4,
441 guint64 dummy5, guint64 dummy6,
442 mgreg_t *regs, mgreg_t rip,
443 guint32 ex_token_index, gint64 pc_offset) MONO_INTERNAL;
446 mono_amd64_get_original_ip (void) MONO_INTERNAL;
449 mono_amd64_emit_tls_get (guint8* code, int dreg, int tls_offset) MONO_INTERNAL;
452 mono_amd64_get_exception_trampolines (gboolean aot) MONO_INTERNAL;
457 } MonoBreakpointInfo;
459 extern MonoBreakpointInfo mono_breakpoint_info [MONO_BREAKPOINT_ARRAY_SIZE];
463 void mono_arch_unwindinfo_add_push_nonvol (gpointer* monoui, gpointer codebegin, gpointer nextip, guchar reg );
464 void mono_arch_unwindinfo_add_set_fpreg (gpointer* monoui, gpointer codebegin, gpointer nextip, guchar reg );
465 void mono_arch_unwindinfo_add_alloc_stack (gpointer* monoui, gpointer codebegin, gpointer nextip, guint size );
466 guint mono_arch_unwindinfo_get_size (gpointer monoui);
467 void mono_arch_unwindinfo_install_unwind_info (gpointer* monoui, gpointer code, guint code_size);
469 #define MONO_ARCH_HAVE_UNWIND_TABLE 1
472 #endif /* __MONO_MINI_AMD64_H__ */