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 /* Enables OP_LSHL, OP_LSHL_IMM, OP_LSHR, OP_LSHR_IMM, OP_LSHR_UN, OP_LSHR_UN_IMM */
47 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
49 #define MONO_MAX_IREGS 8
50 #define MONO_MAX_FREGS 6
52 #define MONO_ARCH_FRAME_ALIGNMENT 4
54 /* fixme: align to 16byte instead of 32byte (we align to 32byte to get
55 * reproduceable results for benchmarks */
56 #define MONO_ARCH_CODE_ALIGNMENT 32
58 #define MONO_ARCH_BASEREG X86_EBP
59 #define MONO_ARCH_RETREG1 X86_EAX
60 #define MONO_ARCH_RETREG2 X86_EDX
62 #define MONO_ARCH_ENCODE_LREG(r1,r2) (r1 | (r2<<3))
64 #define inst_dreg_low dreg&7
65 #define inst_dreg_high dreg>>3
66 #define inst_sreg1_low sreg1&7
67 #define inst_sreg1_high sreg1>>3
68 #define inst_sreg2_low sreg2&7
69 #define inst_sreg2_high sreg2>>3
72 gpointer previous_lmf;
82 typedef struct MonoCompileArch {
85 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
86 # define SC_EAX sc_eax
87 # define SC_EBX sc_ebx
88 # define SC_ECX sc_ecx
89 # define SC_EDX sc_edx
90 # define SC_EBP sc_ebp
91 # define SC_EIP sc_eip
92 # define SC_ESP sc_esp
93 # define SC_EDI sc_edi
94 # define SC_ESI sc_esi
107 typedef struct sigcontext MonoContext;
109 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->SC_EIP = (long)(ip); } while (0);
110 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->SC_EBP = (long)(bp); } while (0);
111 #define MONO_CONTEXT_SET_SP(ctx,esp) do { (ctx)->SC_ESP = (long)(esp); } while (0);
113 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->SC_EIP))
114 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->SC_EBP))
115 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->SC_ESP))
117 #ifndef PLATFORM_WIN32
118 #ifdef HAVE_WORKING_SIGALTSTACK
119 #define MONO_ARCH_SIGSEGV_ON_ALTSTACK
120 /* NetBSD doesn't define SA_STACK */
122 #define SA_STACK SA_ONSTACK
128 #define MONO_ARCH_BIGMUL_INTRINS 1
130 #endif /* __MONO_MINI_X86_H__ */