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Diffstat (limited to 'mono/mini/mini-x86.h')
| -rw-r--r-- | mono/mini/mini-x86.h | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/mono/mini/mini-x86.h b/mono/mini/mini-x86.h new file mode 100644 index 00000000000..a2c004d2a8d --- /dev/null +++ b/mono/mini/mini-x86.h @@ -0,0 +1,163 @@ +#ifndef __MONO_MINI_X86_H__ +#define __MONO_MINI_X86_H__ + +#include <mono/arch/x86/x86-codegen.h> +#ifdef PLATFORM_WIN32 +#include <windows.h> +/* use SIG* defines if possible */ +#ifdef HAVE_SIGNAL_H +#include <signal.h> +#endif + +/* sigcontext surrogate */ +struct sigcontext { + unsigned int eax; + unsigned int ebx; + unsigned int ecx; + unsigned int edx; + unsigned int ebp; + unsigned int esp; + unsigned int esi; + unsigned int edi; + unsigned int eip; +}; + +typedef void (* MonoW32ExceptionHandler) (int); +void win32_seh_init(void); +void win32_seh_cleanup(void); +void win32_seh_set_handler(int type, MonoW32ExceptionHandler handler); + +#ifndef SIGFPE +#define SIGFPE 4 +#endif + +#ifndef SIGILL +#define SIGILL 8 +#endif + +#ifndef SIGSEGV +#define SIGSEGV 11 +#endif + +LONG CALLBACK seh_handler(EXCEPTION_POINTERS* ep); + +#endif /* PLATFORM_WIN32 */ + +#ifdef sun // Solaris x86 +# undef SIGSEGV_ON_ALTSTACK +# define MONO_ARCH_USE_SIGACTION 1 +struct sigcontext { + unsigned short gs, __gsh; + unsigned short fs, __fsh; + unsigned short es, __esh; + unsigned short ds, __dsh; + unsigned long edi; + unsigned long esi; + unsigned long ebp; + unsigned long esp; + unsigned long ebx; + unsigned long edx; + unsigned long ecx; + unsigned long eax; + unsigned long trapno; + unsigned long err; + unsigned long eip; + unsigned short cs, __csh; + unsigned long eflags; + unsigned long esp_at_signal; + unsigned short ss, __ssh; + unsigned long fpstate[95]; + unsigned long filler[5]; +}; +#endif // sun, Solaris x86 + +/* Enables OP_LSHL, OP_LSHL_IMM, OP_LSHR, OP_LSHR_IMM, OP_LSHR_UN, OP_LSHR_UN_IMM */ +#define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS + +#define MONO_MAX_IREGS 8 +#define MONO_MAX_FREGS 6 + +#define MONO_ARCH_FRAME_ALIGNMENT 4 + +/* fixme: align to 16byte instead of 32byte (we align to 32byte to get + * reproduceable results for benchmarks */ +#define MONO_ARCH_CODE_ALIGNMENT 32 + +#define MONO_ARCH_BASEREG X86_EBP +#define MONO_ARCH_RETREG1 X86_EAX +#define MONO_ARCH_RETREG2 X86_EDX + +#define MONO_ARCH_ENCODE_LREG(r1,r2) (r1 | (r2<<3)) + +#define inst_dreg_low dreg&7 +#define inst_dreg_high dreg>>3 +#define inst_sreg1_low sreg1&7 +#define inst_sreg1_high sreg1>>3 +#define inst_sreg2_low sreg2&7 +#define inst_sreg2_high sreg2>>3 + +struct MonoLMF { + gpointer previous_lmf; + gpointer lmf_addr; + MonoMethod *method; + guint32 ebx; + guint32 edi; + guint32 esi; + guint32 ebp; + guint32 eip; +}; + +typedef struct MonoCompileArch { +} MonoCompileArch; + +#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) +# define SC_EAX sc_eax +# define SC_EBX sc_ebx +# define SC_ECX sc_ecx +# define SC_EDX sc_edx +# define SC_EBP sc_ebp +# define SC_EIP sc_eip +# define SC_ESP sc_esp +# define SC_EDI sc_edi +# define SC_ESI sc_esi +#else +# define SC_EAX eax +# define SC_EBX ebx +# define SC_ECX ecx +# define SC_EDX edx +# define SC_EBP ebp +# define SC_EIP eip +# define SC_ESP esp +# define SC_EDI edi +# define SC_ESI esi +#endif + +typedef struct sigcontext MonoContext; + +#define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->SC_EIP = (long)(ip); } while (0); +#define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->SC_EBP = (long)(bp); } while (0); +#define MONO_CONTEXT_SET_SP(ctx,esp) do { (ctx)->SC_ESP = (long)(esp); } while (0); + +#define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->SC_EIP)) +#define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->SC_EBP)) +#define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->SC_ESP)) + +#ifndef PLATFORM_WIN32 +#ifdef HAVE_WORKING_SIGALTSTACK +#define MONO_ARCH_SIGSEGV_ON_ALTSTACK +/* NetBSD doesn't define SA_STACK */ +#ifndef SA_STACK +#define SA_STACK SA_ONSTACK +#endif +#endif + +#endif + +#define MONO_ARCH_BIGMUL_INTRINS 1 +#define MONO_ARCH_NEED_DIV_CHECK 1 +#define MONO_ARCH_HAVE_IS_INT_OVERFLOW 1 +#define MONO_ARCH_HAVE_RETHROW 1 +#define MONO_ARCH_HAVE_INVALIDATE_METHOD 1 + +#endif /* __MONO_MINI_X86_H__ */ + |