1 #ifndef __MONO_MINI_AMD64_H__
2 #define __MONO_MINI_AMD64_H__
4 #include <mono/arch/amd64/amd64-codegen.h>
9 /* use SIG* defines if possible */
14 /* sigcontext surrogate */
27 typedef void (* MonoW32ExceptionHandler) (int);
28 void win32_seh_init(void);
29 void win32_seh_cleanup(void);
30 void win32_seh_set_handler(int type, MonoW32ExceptionHandler handler);
44 LONG CALLBACK seh_handler(EXCEPTION_POINTERS* ep);
46 #endif /* PLATFORM_WIN32 */
48 #ifdef sun // Solaris x86
49 # undef SIGSEGV_ON_ALTSTACK
50 # define MONO_ARCH_NOMAP32BIT
53 unsigned short gs, __gsh;
54 unsigned short fs, __fsh;
55 unsigned short es, __esh;
56 unsigned short ds, __dsh;
68 unsigned short cs, __csh;
70 unsigned long esp_at_signal;
71 unsigned short ss, __ssh;
72 unsigned long fpstate[95];
73 unsigned long filler[5];
75 #endif // sun, Solaris x86
77 #define MONO_ARCH_SIGNAL_STACK_SIZE (16 * 1024)
79 #define MONO_ARCH_CPU_SPEC amd64_desc
81 #define MONO_MAX_IREGS 16
83 #define MONO_MAX_FREGS AMD64_XMM_NREG
85 /* xmm15 is reserved for use by some opcodes */
86 #define MONO_ARCH_CALLEE_FREGS 0xef
87 #define MONO_ARCH_CALLEE_SAVED_FREGS 0
89 #define MONO_ARCH_CALLEE_REGS AMD64_CALLEE_REGS
90 #define MONO_ARCH_CALLEE_SAVED_REGS AMD64_CALLEE_SAVED_REGS
92 /* Setting this to FALSE means using SSE2 instructions for fp arithmetic */
93 #define MONO_ARCH_USE_FPSTACK FALSE
94 #define MONO_ARCH_FPSTACK_SIZE 6
96 #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))))))
98 /* RDX is clobbered by the opcode implementation before accessing sreg2 */
99 #define MONO_ARCH_INST_SREG2_MASK(ins) (((ins [MONO_INST_CLOB] == 'a') || (ins [MONO_INST_CLOB] == 'd')) ? (1 << AMD64_RDX) : 0)
101 #define MONO_ARCH_INST_IS_REGPAIR(desc) FALSE
102 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (-1)
104 #define MONO_ARCH_FRAME_ALIGNMENT 16
106 /* fixme: align to 16byte instead of 32byte (we align to 32byte to get
107 * reproduceable results for benchmarks */
108 #define MONO_ARCH_CODE_ALIGNMENT 32
110 #define MONO_ARCH_BASEREG X86_EBP
111 #define MONO_ARCH_RETREG1 X86_EAX
112 #define MONO_ARCH_RETREG2 X86_EDX
114 #define MONO_ARCH_AOT_PLT_OFFSET_REG AMD64_RAX
116 #define MONO_ARCH_ENCODE_LREG(r1,r2) (r1 | (r2<<3))
118 #define inst_dreg_low dreg&7
119 #define inst_dreg_high dreg>>3
120 #define inst_sreg1_low sreg1&7
121 #define inst_sreg1_high sreg1>>3
122 #define inst_sreg2_low sreg2&7
123 #define inst_sreg2_high sreg2>>3
126 gpointer previous_lmf;
137 #ifdef PLATFORM_WIN32
143 typedef struct MonoCompileArch {
145 gint32 localloc_offset;
146 gint32 reg_save_area_offset;
147 gint32 stack_alloc_size;
148 gboolean omit_fp, omit_fp_computed;
150 gint32 async_point_count;
169 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->rip = (guint64)(ip); } while (0);
170 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->rbp = (guint64)(bp); } while (0);
171 #define MONO_CONTEXT_SET_SP(ctx,esp) do { (ctx)->rsp = (guint64)(esp); } while (0);
173 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->rip))
174 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->rbp))
175 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->rsp))
179 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx, start_func) do { \
181 mono_arch_flush_register_windows (); \
182 stackptr = ((guint64)_AddressOfReturnAddress () - sizeof (void*));\
183 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
184 MONO_CONTEXT_SET_BP ((ctx), stackptr); \
185 MONO_CONTEXT_SET_SP ((ctx), stackptr); \
191 * __builtin_frame_address () is broken on some older gcc versions in the presence of
192 * frame pointer elimination, see bug #82095.
194 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
196 guint64 stackptr = (guint64)&tmp; \
197 mono_arch_flush_register_windows (); \
198 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
199 MONO_CONTEXT_SET_BP ((ctx), stackptr); \
200 MONO_CONTEXT_SET_SP ((ctx), stackptr); \
206 * some icalls like mono_array_new_va needs to be called using a different
207 * calling convention.
209 #define MONO_ARCH_VARARG_ICALLS 1
211 #ifndef PLATFORM_WIN32
213 #define MONO_ARCH_USE_SIGACTION 1
215 #ifdef HAVE_WORKING_SIGALTSTACK
217 #define MONO_ARCH_SIGSEGV_ON_ALTSTACK
221 #endif /* PLATFORM_WIN32 */
244 * FreeBSD does not have MAP_32BIT, so code allocated by the code manager might not have a
247 #define MONO_ARCH_NOMAP32BIT
249 #endif /* __FreeBSD__ */
251 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
252 #define MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
254 #define MONO_ARCH_EMULATE_CONV_R8_UN 1
255 #define MONO_ARCH_EMULATE_LCONV_TO_R8_UN 1
256 #define MONO_ARCH_EMULATE_FREM 1
257 #define MONO_ARCH_HAVE_IS_INT_OVERFLOW 1
259 #define MONO_ARCH_ENABLE_EMIT_STATE_OPT 1
260 #define MONO_ARCH_ENABLE_REGALLOC_IN_EH_BLOCKS 1
261 #define MONO_ARCH_ENABLE_MONO_LMF_VAR 1
262 #define MONO_ARCH_HAVE_INVALIDATE_METHOD 1
263 #define MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION 1
264 #define MONO_ARCH_HAVE_PIC_AOT 1
265 #define MONO_ARCH_HAVE_CREATE_TRAMPOLINE_FROM_TOKEN 1
266 #define MONO_ARCH_HAVE_CREATE_SPECIFIC_TRAMPOLINE 1
267 #define MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE 1
268 #define MONO_ARCH_HAVE_CREATE_VARS 1
269 #define MONO_ARCH_HAVE_IMT 1
270 #define MONO_ARCH_IMT_REG AMD64_R11
271 #define MONO_ARCH_COMMON_VTABLE_TRAMPOLINE 1
273 #define MONO_ARCH_AOT_SUPPORTED 1
276 mono_amd64_is_sse2 (void) MONO_INTERNAL;
279 mono_amd64_patch (unsigned char* code, gpointer target) MONO_INTERNAL;
284 } MonoBreakpointInfo;
286 extern MonoBreakpointInfo mono_breakpoint_info [MONO_BREAKPOINT_ARRAY_SIZE];
288 #endif /* __MONO_MINI_AMD64_H__ */