#include namespace factor { // Fault handler information. MacOSX version. // Copyright (C) 1993-1999, 2002-2003 Bruno Haible // Copyright (C) 2003 Paolo Bonzini // Used under BSD license with permission from Paolo Bonzini and Bruno Haible, // 2005-03-10: // http://sourceforge.net/mailarchive/message.php?msg_name=200503102200.32002.bruno%40clisp.org // Modified for Factor by Slava Pestov #define MACH_EXC_STATE_TYPE i386_exception_state_t #define MACH_EXC_STATE_FLAVOR i386_EXCEPTION_STATE #define MACH_EXC_STATE_COUNT i386_EXCEPTION_STATE_COUNT #define MACH_EXC_INTEGER_DIV EXC_I386_DIV #define MACH_THREAD_STATE_TYPE i386_thread_state_t #define MACH_THREAD_STATE_FLAVOR i386_THREAD_STATE #define MACH_THREAD_STATE_COUNT i386_THREAD_STATE_COUNT #define MACH_FLOAT_STATE_TYPE i386_float_state_t #define MACH_FLOAT_STATE_FLAVOR i386_FLOAT_STATE #define MACH_FLOAT_STATE_COUNT i386_FLOAT_STATE_COUNT #if __DARWIN_UNIX03 #define MACH_EXC_STATE_FAULT(exc_state) (exc_state)->__faultvaddr #define MACH_STACK_POINTER(thr_state) (thr_state)->__esp #define MACH_PROGRAM_COUNTER(thr_state) (thr_state)->__eip #define UAP_SS(ucontext) &(((ucontext_t*)(ucontext))->uc_mcontext->__ss) #define UAP_FS(ucontext) &(((ucontext_t*)(ucontext))->uc_mcontext->__fs) #define MXCSR(float_state) (float_state)->__fpu_mxcsr #define X87SW(float_state) (float_state)->__fpu_fsw #else #define MACH_EXC_STATE_FAULT(exc_state) (exc_state)->faultvaddr #define MACH_STACK_POINTER(thr_state) (thr_state)->esp #define MACH_PROGRAM_COUNTER(thr_state) (thr_state)->eip #define UAP_SS(ucontext) &(((ucontext_t*)(ucontext))->uc_mcontext->ss) #define UAP_FS(ucontext) &(((ucontext_t*)(ucontext))->uc_mcontext->fs) #define MXCSR(float_state) (float_state)->fpu_mxcsr #define X87SW(float_state) (float_state)->fpu_fsw #endif #define UAP_PROGRAM_COUNTER(ucontext) MACH_PROGRAM_COUNTER(UAP_SS(ucontext)) inline static unsigned int mach_fpu_status(i386_float_state_t* float_state) { unsigned short x87sw; memcpy(&x87sw, &X87SW(float_state), sizeof(x87sw)); return MXCSR(float_state) | x87sw; } inline static unsigned int uap_fpu_status(void* uap) { return mach_fpu_status(UAP_FS(uap)); } inline static void mach_clear_fpu_status(i386_float_state_t* float_state) { MXCSR(float_state) &= 0xffffffc0; memset(&X87SW(float_state), 0, sizeof(X87SW(float_state))); } inline static void uap_clear_fpu_status(void* uap) { mach_clear_fpu_status(UAP_FS(uap)); } }