76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
#include <sys/ucontext.h>
|
|
|
|
namespace factor
|
|
{
|
|
|
|
/* Fault handler information. MacOSX version.
|
|
Copyright (C) 1993-1999, 2002-2003 Bruno Haible <clisp.org at bruno>
|
|
Copyright (C) 2003 Paolo Bonzini <gnu.org at 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 FRAME_RETURN_ADDRESS(frame,vm) *((void **)(vm->frame_successor(frame) + 1) + 2)
|
|
|
|
#define MACH_EXC_STATE_TYPE ppc_exception_state_t
|
|
#define MACH_EXC_STATE_FLAVOR PPC_EXCEPTION_STATE
|
|
#define MACH_EXC_STATE_COUNT PPC_EXCEPTION_STATE_COUNT
|
|
|
|
#define MACH_EXC_INTEGER_DIV EXC_PPC_ZERO_DIVIDE
|
|
|
|
#define MACH_THREAD_STATE_TYPE ppc_thread_state_t
|
|
#define MACH_THREAD_STATE_FLAVOR PPC_THREAD_STATE
|
|
#define MACH_THREAD_STATE_COUNT PPC_THREAD_STATE_COUNT
|
|
|
|
#define MACH_FLOAT_STATE_TYPE ppc_float_state_t
|
|
#define MACH_FLOAT_STATE_FLAVOR PPC_FLOAT_STATE
|
|
#define MACH_FLOAT_STATE_COUNT PPC_FLOAT_STATE_COUNT
|
|
|
|
#if __DARWIN_UNIX03
|
|
#define MACH_EXC_STATE_FAULT(exc_state) (exc_state)->__dar
|
|
#define MACH_STACK_POINTER(thr_state) (thr_state)->__r1
|
|
#define MACH_PROGRAM_COUNTER(thr_state) (thr_state)->__srr0
|
|
|
|
#define UAP_SS(ucontext) &(((ucontext_t *)(ucontext))->uc_mcontext->__ss)
|
|
#define UAP_FS(ucontext) &(((ucontext_t *)(ucontext))->uc_mcontext->__fs)
|
|
|
|
#define FPSCR(float_state) (float_state)->__fpscr
|
|
#else
|
|
#define MACH_EXC_STATE_FAULT(exc_state) (exc_state)->dar
|
|
#define MACH_STACK_POINTER(thr_state) (thr_state)->r1
|
|
#define MACH_PROGRAM_COUNTER(thr_state) (thr_state)->srr0
|
|
|
|
#define UAP_SS(ucontext) &(((ucontext_t *)(ucontext))->uc_mcontext->ss)
|
|
#define UAP_FS(ucontext) &(((ucontext_t *)(ucontext))->uc_mcontext->fs)
|
|
|
|
#define FPSCR(float_state) (float_state)->fpscr
|
|
#endif
|
|
|
|
#define UAP_PROGRAM_COUNTER(ucontext) \
|
|
MACH_PROGRAM_COUNTER(UAP_SS(ucontext))
|
|
|
|
inline static unsigned int mach_fpu_status(ppc_float_state_t *float_state)
|
|
{
|
|
return FPSCR(float_state);
|
|
}
|
|
|
|
inline static unsigned int uap_fpu_status(void *uap)
|
|
{
|
|
return mach_fpu_status(UAP_FS(uap));
|
|
}
|
|
|
|
inline static void mach_clear_fpu_status(ppc_float_state_t *float_state)
|
|
{
|
|
FPSCR(float_state) &= 0x0007f8ff;
|
|
}
|
|
|
|
inline static void uap_clear_fpu_status(void *uap)
|
|
{
|
|
mach_clear_fpu_status(UAP_FS(uap));
|
|
}
|
|
|
|
}
|