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 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
125 /* xmm15 is reserved for use by some opcodes */
126 #define MONO_ARCH_CALLEE_FREGS 0x7fff
127 #define MONO_ARCH_CALLEE_SAVED_FREGS 0
129 #define MONO_MAX_XREGS MONO_MAX_FREGS
131 #define MONO_ARCH_CALLEE_XREGS 0x7fff
132 #define MONO_ARCH_CALLEE_SAVED_XREGS 0
135 #define MONO_ARCH_CALLEE_REGS AMD64_CALLEE_REGS
136 #define MONO_ARCH_CALLEE_SAVED_REGS AMD64_CALLEE_SAVED_REGS
138 #define MONO_ARCH_USE_FPSTACK FALSE
139 #define MONO_ARCH_FPSTACK_SIZE 0
141 #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))))))
143 /* RDX is clobbered by the opcode implementation before accessing sreg2 */
144 #define MONO_ARCH_INST_SREG2_MASK(ins) (((ins [MONO_INST_CLOB] == 'a') || (ins [MONO_INST_CLOB] == 'd')) ? (1 << AMD64_RDX) : 0)
146 #define MONO_ARCH_INST_IS_REGPAIR(desc) FALSE
147 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (-1)
149 #define MONO_ARCH_FRAME_ALIGNMENT 16
151 /* fixme: align to 16byte instead of 32byte (we align to 32byte to get
152 * reproduceable results for benchmarks */
153 #define MONO_ARCH_CODE_ALIGNMENT 32
155 #define MONO_ARCH_RETREG1 X86_EAX
156 #define MONO_ARCH_RETREG2 X86_EDX
158 /*This is the max size of the locals area of a given frame. I think 1MB is a safe default for now*/
159 #define MONO_ARCH_MAX_FRAME_SIZE 0x100000
163 * If the lowest bit is set, then this LMF has the rip field set. Otherwise,
164 * the rip field is not set, and the rsp field points to the stack location where
165 * the caller ip is saved.
166 * If the second lowest bit is set, then this is a MonoLMFExt structure, and
167 * the other fields are not valid.
168 * If the third lowest bit is set, then this is a MonoLMFTramp structure.
170 gpointer previous_lmf;
171 #if defined(__default_codegen__) || defined(HOST_WIN32)
173 #elif defined(__native_client_codegen__)
174 /* On 64-bit compilers, default alignment is 8 for this field, */
175 /* this allows the structure to match for 32-bit compilers. */
176 guint64 rip __attribute__ ((aligned(8)));
182 /* LMF structure used by the JIT trampolines */
189 typedef struct MonoCompileArch {
190 gint32 localloc_offset;
191 gint32 reg_save_area_offset;
192 gint32 stack_alloc_size;
195 gboolean omit_fp, omit_fp_computed;
197 gint32 async_point_count;
198 gpointer vret_addr_loc;
202 gpointer seq_point_info_var;
203 gpointer ss_trigger_page_var;
215 /* Structure used by the sequence points in AOTed code */
217 gpointer ss_trigger_page;
218 gpointer bp_trigger_page;
219 gpointer bp_addrs [MONO_ZERO_LEN_ARRAY];
223 mgreg_t regs [PARAM_REGS];
229 #define MONO_CONTEXT_SET_LLVM_EXC_REG(ctx, exc) do { (ctx)->rax = (gsize)exc; } while (0)
231 #define MONO_ARCH_INIT_TOP_LMF_ENTRY(lmf)
235 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx, start_func) do { \
237 mono_arch_flush_register_windows (); \
238 stackptr = ((guint64)_AddressOfReturnAddress () - sizeof (void*));\
239 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
240 MONO_CONTEXT_SET_BP ((ctx), stackptr); \
241 MONO_CONTEXT_SET_SP ((ctx), stackptr); \
247 * __builtin_frame_address () is broken on some older gcc versions in the presence of
248 * frame pointer elimination, see bug #82095.
250 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
252 guint64 stackptr = (guint64)&tmp; \
253 mono_arch_flush_register_windows (); \
254 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
255 MONO_CONTEXT_SET_BP ((ctx), stackptr); \
256 MONO_CONTEXT_SET_SP ((ctx), stackptr); \
262 * some icalls like mono_array_new_va needs to be called using a different
263 * calling convention.
265 #define MONO_ARCH_VARARG_ICALLS 1
267 #if !defined( HOST_WIN32 ) && !defined(__native_client__) && !defined(__native_client_codegen__)
269 #define MONO_ARCH_USE_SIGACTION 1
271 #ifdef HAVE_WORKING_SIGALTSTACK
273 #define MONO_ARCH_SIGSEGV_ON_ALTSTACK
277 #endif /* !HOST_WIN32 && !__native_client__ */
279 #if !defined(__linux__)
280 #define MONO_ARCH_NOMAP32BIT 1
284 #define MONO_AMD64_ARG_REG1 AMD64_RCX
285 #define MONO_AMD64_ARG_REG2 AMD64_RDX
286 #define MONO_AMD64_ARG_REG3 AMD64_R8
288 #define MONO_AMD64_ARG_REG1 AMD64_RDI
289 #define MONO_AMD64_ARG_REG2 AMD64_RSI
290 #define MONO_AMD64_ARG_REG3 AMD64_RDX
293 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
294 #define MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
296 #define MONO_ARCH_EMULATE_CONV_R8_UN 1
297 #define MONO_ARCH_EMULATE_FREM 1
298 #define MONO_ARCH_HAVE_IS_INT_OVERFLOW 1
300 #define MONO_ARCH_ENABLE_MONO_LMF_VAR 1
301 #define MONO_ARCH_HAVE_INVALIDATE_METHOD 1
302 #define MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE 1
303 #define MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES 1
304 #define MONO_ARCH_HAVE_TLS_GET (mono_amd64_have_tls_get ())
305 #define MONO_ARCH_IMT_REG AMD64_R10
306 #define MONO_ARCH_IMT_SCRATCH_REG AMD64_R11
307 #define MONO_ARCH_VTABLE_REG MONO_AMD64_ARG_REG1
309 * We use r10 for the imt/rgctx register rather than r11 because r11 is
310 * used by the trampoline as a scratch register and hence might be
311 * clobbered across method call boundaries.
313 #define MONO_ARCH_RGCTX_REG MONO_ARCH_IMT_REG
314 #define MONO_ARCH_HAVE_CMOV_OPS 1
315 #define MONO_ARCH_HAVE_NOTIFY_PENDING_EXC 1
316 #define MONO_ARCH_HAVE_EXCEPTIONS_INIT 1
317 #define MONO_ARCH_ENABLE_GLOBAL_RA 1
318 #define MONO_ARCH_HAVE_GENERALIZED_IMT_THUNK 1
319 #define MONO_ARCH_HAVE_LIVERANGE_OPS 1
320 #define MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX 1
321 #define MONO_ARCH_MONITOR_OBJECT_REG MONO_AMD64_ARG_REG1
322 #define MONO_ARCH_HAVE_GET_TRAMPOLINES 1
324 #define MONO_ARCH_AOT_SUPPORTED 1
325 #if !defined( __native_client__ )
326 #define MONO_ARCH_SOFT_DEBUG_SUPPORTED 1
329 #define MONO_ARCH_ENABLE_MONITOR_IL_FASTPATH 1
331 #define MONO_ARCH_SUPPORT_TASKLETS 1
333 #define MONO_ARCH_GSHARED_SUPPORTED 1
334 #define MONO_ARCH_DYN_CALL_SUPPORTED 1
335 #define MONO_ARCH_DYN_CALL_PARAM_AREA 0
337 #define MONO_ARCH_HAVE_LLVM_IMT_TRAMPOLINE 1
338 #define MONO_ARCH_LLVM_SUPPORTED 1
339 #define MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD 1
340 #define MONO_ARCH_HAVE_CARD_TABLE_WBARRIER 1
341 #define MONO_ARCH_HAVE_SETUP_RESUME_FROM_SIGNAL_HANDLER_CTX 1
342 #define MONO_ARCH_GC_MAPS_SUPPORTED 1
343 #define MONO_ARCH_HAVE_CONTEXT_SET_INT_REG 1
344 #define MONO_ARCH_HAVE_SETUP_ASYNC_CALLBACK 1
345 #define MONO_ARCH_HAVE_CREATE_LLVM_NATIVE_THUNK 1
346 #define MONO_ARCH_HAVE_OP_TAIL_CALL 1
347 #define MONO_ARCH_HAVE_TRANSLATE_TLS_OFFSET 1
348 #define MONO_ARCH_HAVE_DUMMY_INIT 1
350 #if defined(TARGET_OSX) || defined(__linux__)
351 #define MONO_ARCH_HAVE_TLS_GET_REG 1
354 /* Used for optimization, not complete */
355 #define MONO_ARCH_IS_OP_MEMBASE(opcode) ((opcode) == OP_X86_PUSH_MEMBASE)
357 #define MONO_ARCH_EMIT_BOUNDS_CHECK(cfg, array_reg, offset, index_reg) do { \
359 MONO_INST_NEW ((cfg), inst, OP_AMD64_ICOMPARE_MEMBASE_REG); \
360 inst->inst_basereg = array_reg; \
361 inst->inst_offset = offset; \
362 inst->sreg2 = index_reg; \
363 MONO_ADD_INS ((cfg)->cbb, inst); \
364 MONO_EMIT_NEW_COND_EXC (cfg, LE_UN, "IndexOutOfRangeException"); \
368 mono_amd64_patch (unsigned char* code, gpointer target) MONO_INTERNAL;
371 mono_amd64_throw_exception (guint64 dummy1, guint64 dummy2, guint64 dummy3, guint64 dummy4,
372 guint64 dummy5, guint64 dummy6,
373 mgreg_t *regs, mgreg_t rip,
374 MonoObject *exc, gboolean rethrow) MONO_INTERNAL;
377 mono_amd64_throw_corlib_exception (guint64 dummy1, guint64 dummy2, guint64 dummy3, guint64 dummy4,
378 guint64 dummy5, guint64 dummy6,
379 mgreg_t *regs, mgreg_t rip,
380 guint32 ex_token_index, gint64 pc_offset) MONO_INTERNAL;
383 mono_amd64_get_original_ip (void) MONO_INTERNAL;
386 mono_amd64_emit_tls_get (guint8* code, int dreg, int tls_offset) MONO_INTERNAL;
389 mono_amd64_have_tls_get (void) MONO_INTERNAL;
392 mono_amd64_get_exception_trampolines (gboolean aot) MONO_INTERNAL;
395 mono_amd64_get_tls_gs_offset (void) MONO_LLVM_INTERNAL;
400 } MonoBreakpointInfo;
402 extern MonoBreakpointInfo mono_breakpoint_info [MONO_BREAKPOINT_ARRAY_SIZE];
406 void mono_arch_unwindinfo_add_push_nonvol (gpointer* monoui, gpointer codebegin, gpointer nextip, guchar reg );
407 void mono_arch_unwindinfo_add_set_fpreg (gpointer* monoui, gpointer codebegin, gpointer nextip, guchar reg );
408 void mono_arch_unwindinfo_add_alloc_stack (gpointer* monoui, gpointer codebegin, gpointer nextip, guint size );
409 guint mono_arch_unwindinfo_get_size (gpointer monoui);
410 void mono_arch_unwindinfo_install_unwind_info (gpointer* monoui, gpointer code, guint code_size);
412 #define MONO_ARCH_HAVE_UNWIND_TABLE 1
415 #endif /* __MONO_MINI_AMD64_H__ */