1 #ifndef __MONO_MINI_X86_H__
2 #define __MONO_MINI_X86_H__
4 #include <mono/arch/x86/x86-codegen.h>
7 /* use SIG* defines if possible */
12 /* sigcontext surrogate */
25 typedef void (* MonoW32ExceptionHandler) (int);
26 void win32_seh_init(void);
27 void win32_seh_cleanup(void);
28 void win32_seh_set_handler(int type, MonoW32ExceptionHandler handler);
42 LONG CALLBACK seh_handler(EXCEPTION_POINTERS* ep);
44 #endif /* PLATFORM_WIN32 */
46 #if defined( __linux__) || defined(__sun) || defined(__APPLE__) || defined(__NetBSD__)
47 #define MONO_ARCH_USE_SIGACTION
50 #ifndef PLATFORM_WIN32
52 #ifdef HAVE_WORKING_SIGALTSTACK
54 * solaris doesn't have pthread_getattr_np () needed by the sigaltstack setup
58 #define MONO_ARCH_SIGSEGV_ON_ALTSTACK
60 #define MONO_ARCH_USE_SIGACTION
62 #endif /* HAVE_WORKING_SIGALTSTACK */
63 #endif /* !PLATFORM_WIN32 */
65 /* we should lower this size and make sure we don't call heavy stack users in the segv handler */
66 #define MONO_ARCH_SIGNAL_STACK_SIZE (16 * 1024)
68 /* Enables OP_LSHL, OP_LSHL_IMM, OP_LSHR, OP_LSHR_IMM, OP_LSHR_UN, OP_LSHR_UN_IMM */
69 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
71 #define MONO_ARCH_CPU_SPEC x86_desc
73 #define MONO_MAX_IREGS 8
74 #define MONO_MAX_FREGS 6
76 /* Parameters used by the register allocator */
77 #define MONO_ARCH_CALLEE_REGS X86_CALLEE_REGS
78 #define MONO_ARCH_CALLEE_SAVED_REGS X86_CALLER_REGS
80 #define MONO_ARCH_CALLEE_FREGS 0
81 #define MONO_ARCH_CALLEE_SAVED_FREGS 0
83 #define MONO_ARCH_USE_FPSTACK TRUE
84 #define MONO_ARCH_FPSTACK_SIZE 6
86 #define MONO_ARCH_INST_FIXED_REG(desc) (((desc == ' ') || (desc == 'i')) ? -1 : ((desc == 's') ? X86_ECX : ((desc == 'a') ? X86_EAX : ((desc == 'd') ? X86_EDX : ((desc == 'l') ? X86_EAX : -1)))))
88 #define MONO_ARCH_INST_FIXED_MASK(desc) ((desc == 'y') ? (X86_BYTE_REGS) : 0)
90 /* RDX is clobbered by the opcode implementation before accessing sreg2 */
91 #define MONO_ARCH_INST_SREG2_MASK(ins) (((ins [MONO_INST_CLOB] == 'a') || (ins [MONO_INST_CLOB] == 'd')) ? (1 << X86_EDX) : 0)
94 * L is a generic register pair, while l means eax:rdx
96 #define MONO_ARCH_INST_IS_REGPAIR(desc) (desc == 'l' || desc == 'L')
97 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (desc == 'l' ? X86_EDX : -1)
99 #if defined(__APPLE__)
100 #define MONO_ARCH_FRAME_ALIGNMENT 16
102 #define MONO_ARCH_FRAME_ALIGNMENT 4
105 /* fixme: align to 16byte instead of 32byte (we align to 32byte to get
106 * reproduceable results for benchmarks */
107 #define MONO_ARCH_CODE_ALIGNMENT 32
109 #define MONO_ARCH_BASEREG X86_EBP
110 #define MONO_ARCH_RETREG1 X86_EAX
111 #define MONO_ARCH_RETREG2 X86_EDX
113 #define MONO_ARCH_ENCODE_LREG(r1,r2) (r1 | (r2<<3))
115 #define inst_dreg_low dreg&7
116 #define inst_dreg_high dreg>>3
117 #define inst_sreg1_low sreg1&7
118 #define inst_sreg1_high sreg1>>3
119 #define inst_sreg2_low sreg2&7
120 #define inst_sreg2_high sreg2>>3
123 /* Offset by 1 if this is a trampoline LMF frame */
124 guint32 previous_lmf;
126 /* Only set in trampoline LMF frames */
128 /* Only set in trampoline LMF frames */
137 typedef void* MonoCompileArch;
139 #if defined(__FreeBSD__) || defined(__APPLE__)
140 #include <ucontext.h>
143 #if defined(__FreeBSD__)
144 #define UCONTEXT_REG_EAX(ctx) ((ctx)->uc_mcontext.mc_eax)
145 #define UCONTEXT_REG_EBX(ctx) ((ctx)->uc_mcontext.mc_ebx)
146 #define UCONTEXT_REG_ECX(ctx) ((ctx)->uc_mcontext.mc_ecx)
147 #define UCONTEXT_REG_EDX(ctx) ((ctx)->uc_mcontext.mc_edx)
148 #define UCONTEXT_REG_EBP(ctx) ((ctx)->uc_mcontext.mc_ebp)
149 #define UCONTEXT_REG_ESP(ctx) ((ctx)->uc_mcontext.mc_esp)
150 #define UCONTEXT_REG_ESI(ctx) ((ctx)->uc_mcontext.mc_esi)
151 #define UCONTEXT_REG_EDI(ctx) ((ctx)->uc_mcontext.mc_edi)
152 #define UCONTEXT_REG_EIP(ctx) ((ctx)->uc_mcontext.mc_eip)
153 #elif defined(__APPLE__) && defined(_STRUCT_MCONTEXT)
154 #define UCONTEXT_REG_EAX(ctx) ((ctx)->uc_mcontext->__ss.__eax)
155 #define UCONTEXT_REG_EBX(ctx) ((ctx)->uc_mcontext->__ss.__ebx)
156 #define UCONTEXT_REG_ECX(ctx) ((ctx)->uc_mcontext->__ss.__ecx)
157 #define UCONTEXT_REG_EDX(ctx) ((ctx)->uc_mcontext->__ss.__edx)
158 #define UCONTEXT_REG_EBP(ctx) ((ctx)->uc_mcontext->__ss.__ebp)
159 #define UCONTEXT_REG_ESP(ctx) ((ctx)->uc_mcontext->__ss.__esp)
160 #define UCONTEXT_REG_ESI(ctx) ((ctx)->uc_mcontext->__ss.__esi)
161 #define UCONTEXT_REG_EDI(ctx) ((ctx)->uc_mcontext->__ss.__edi)
162 #define UCONTEXT_REG_EIP(ctx) ((ctx)->uc_mcontext->__ss.__eip)
163 #elif defined(__APPLE__) && !defined(_STRUCT_MCONTEXT)
164 #define UCONTEXT_REG_EAX(ctx) ((ctx)->uc_mcontext->ss.eax)
165 #define UCONTEXT_REG_EBX(ctx) ((ctx)->uc_mcontext->ss.ebx)
166 #define UCONTEXT_REG_ECX(ctx) ((ctx)->uc_mcontext->ss.ecx)
167 #define UCONTEXT_REG_EDX(ctx) ((ctx)->uc_mcontext->ss.edx)
168 #define UCONTEXT_REG_EBP(ctx) ((ctx)->uc_mcontext->ss.ebp)
169 #define UCONTEXT_REG_ESP(ctx) ((ctx)->uc_mcontext->ss.esp)
170 #define UCONTEXT_REG_ESI(ctx) ((ctx)->uc_mcontext->ss.esi)
171 #define UCONTEXT_REG_EDI(ctx) ((ctx)->uc_mcontext->ss.edi)
172 #define UCONTEXT_REG_EIP(ctx) ((ctx)->uc_mcontext->ss.eip)
173 #elif defined(__NetBSD__)
174 #define UCONTEXT_REG_EAX(ctx) ((ctx)->uc_mcontext.__gregs [_REG_EAX])
175 #define UCONTEXT_REG_EBX(ctx) ((ctx)->uc_mcontext.__gregs [_REG_EBX])
176 #define UCONTEXT_REG_ECX(ctx) ((ctx)->uc_mcontext.__gregs [_REG_ECX])
177 #define UCONTEXT_REG_EDX(ctx) ((ctx)->uc_mcontext.__gregs [_REG_EDX])
178 #define UCONTEXT_REG_EBP(ctx) ((ctx)->uc_mcontext.__gregs [_REG_EBP])
179 #define UCONTEXT_REG_ESP(ctx) ((ctx)->uc_mcontext.__gregs [_REG_ESP])
180 #define UCONTEXT_REG_ESI(ctx) ((ctx)->uc_mcontext.__gregs [_REG_ESI])
181 #define UCONTEXT_REG_EDI(ctx) ((ctx)->uc_mcontext.__gregs [_REG_EDI])
182 #define UCONTEXT_REG_EIP(ctx) ((ctx)->uc_mcontext.__gregs [_REG_EIP])
184 #define UCONTEXT_REG_EAX(ctx) ((ctx)->uc_mcontext.gregs [REG_EAX])
185 #define UCONTEXT_REG_EBX(ctx) ((ctx)->uc_mcontext.gregs [REG_EBX])
186 #define UCONTEXT_REG_ECX(ctx) ((ctx)->uc_mcontext.gregs [REG_ECX])
187 #define UCONTEXT_REG_EDX(ctx) ((ctx)->uc_mcontext.gregs [REG_EDX])
188 #define UCONTEXT_REG_EBP(ctx) ((ctx)->uc_mcontext.gregs [REG_EBP])
189 #define UCONTEXT_REG_ESP(ctx) ((ctx)->uc_mcontext.gregs [REG_ESP])
190 #define UCONTEXT_REG_ESI(ctx) ((ctx)->uc_mcontext.gregs [REG_ESI])
191 #define UCONTEXT_REG_EDI(ctx) ((ctx)->uc_mcontext.gregs [REG_EDI])
192 #define UCONTEXT_REG_EIP(ctx) ((ctx)->uc_mcontext.gregs [REG_EIP])
195 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
196 # define SC_EAX sc_eax
197 # define SC_EBX sc_ebx
198 # define SC_ECX sc_ecx
199 # define SC_EDX sc_edx
200 # define SC_EBP sc_ebp
201 # define SC_EIP sc_eip
202 # define SC_ESP sc_esp
203 # define SC_EDI sc_edi
204 # define SC_ESI sc_esi
229 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->eip = (long)(ip); } while (0);
230 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->ebp = (long)(bp); } while (0);
231 #define MONO_CONTEXT_SET_SP(ctx,sp) do { (ctx)->esp = (long)(sp); } while (0);
233 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->eip))
234 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->ebp))
235 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->esp))
239 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx, start_func) do { \
240 unsigned int stackptr; \
241 mono_arch_flush_register_windows (); \
243 __asm mov stackptr, ebp \
245 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
246 MONO_CONTEXT_SET_BP ((ctx), stackptr); \
247 MONO_CONTEXT_SET_SP ((ctx), stackptr); \
252 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do { \
253 mono_arch_flush_register_windows (); \
254 MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
255 MONO_CONTEXT_SET_BP ((ctx), __builtin_frame_address (0)); \
256 MONO_CONTEXT_SET_SP ((ctx), __builtin_frame_address (0)); \
261 #define MONO_ARCH_BIGMUL_INTRINS 1
262 #define MONO_ARCH_NEED_DIV_CHECK 1
263 #define MONO_ARCH_HAVE_IS_INT_OVERFLOW 1
264 #define MONO_ARCH_HAVE_INVALIDATE_METHOD 1
265 #define MONO_ARCH_NEED_GOT_VAR 1
266 #define MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION 1
267 #define MONO_ARCH_ENABLE_EMIT_STATE_OPT 1
268 #define MONO_ARCH_ENABLE_MONO_LMF_VAR 1
269 #define MONO_ARCH_HAVE_CREATE_TRAMPOLINE_FROM_TOKEN 1
270 #define MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE 1
271 #define MONO_ARCH_HAVE_ATOMIC_ADD 1
272 #define MONO_ARCH_HAVE_ATOMIC_EXCHANGE 1
273 #define MONO_ARCH_HAVE_ATOMIC_CAS_IMM 1
274 #define MONO_ARCH_HAVE_IMT 1
275 #define MONO_ARCH_HAVE_TLS_GET 1
276 #define MONO_ARCH_IMT_REG X86_EDX
277 #define MONO_ARCH_VTABLE_REG X86_EDX
278 #define MONO_ARCH_COMMON_VTABLE_TRAMPOLINE 1
279 #define MONO_ARCH_RGCTX_REG X86_EDX
280 #define MONO_ARCH_ENABLE_NORMALIZE_OPCODES 1
282 #if !defined(__APPLE__)
283 #define MONO_ARCH_AOT_SUPPORTED 1
289 } MonoBreakpointInfo;
291 extern MonoBreakpointInfo mono_breakpoint_info [MONO_BREAKPOINT_ARRAY_SIZE];
293 #endif /* __MONO_MINI_X86_H__ */