40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
/* Fault handler information. MacOSX version.
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Copyright (C) 1993-1999, 2002-2003 Bruno Haible <clisp.org at bruno>
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Copyright (C) 2003 Paolo Bonzini <gnu.org at bonzini>
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Used under BSD license with permission from Paolo Bonzini and Bruno Haible,
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2005-03-10:
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http://sourceforge.net/mailarchive/message.php?msg_name=200503102200.32002.bruno%40clisp.org
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Modified for Factor by Slava Pestov */
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#include <ucontext.h>
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#define FRAME_RETURN_ADDRESS(frame) *((XT *)(frame_successor(frame) + 1) + 2)
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#define MACH_EXC_STATE_TYPE ppc_exception_state_t
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#define MACH_EXC_STATE_FLAVOR PPC_EXCEPTION_STATE
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#define MACH_EXC_STATE_COUNT PPC_EXCEPTION_STATE_COUNT
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#define MACH_THREAD_STATE_TYPE ppc_thread_state_t
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#define MACH_THREAD_STATE_FLAVOR PPC_THREAD_STATE
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#define MACH_THREAD_STATE_COUNT PPC_THREAD_STATE_COUNT
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#if __DARWIN_UNIX03
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#define MACH_EXC_STATE_FAULT(exc_state) (exc_state)->__dar
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#define MACH_STACK_POINTER(thr_state) (thr_state)->__r1
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#define MACH_PROGRAM_COUNTER(thr_state) (thr_state)->__srr0
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#define UAP_PROGRAM_COUNTER(ucontext) \
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MACH_PROGRAM_COUNTER(&(((ucontext_t *)(ucontext))->uc_mcontext->__ss))
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#else
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#define MACH_EXC_STATE_FAULT(exc_state) (exc_state)->dar
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#define MACH_STACK_POINTER(thr_state) (thr_state)->r1
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#define MACH_PROGRAM_COUNTER(thr_state) (thr_state)->srr0
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#define UAP_PROGRAM_COUNTER(ucontext) \
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MACH_PROGRAM_COUNTER(&(((ucontext_t *)(ucontext))->uc_mcontext->ss))
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#endif
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INLINE CELL fix_stack_pointer(CELL sp)
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{
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return sp;
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}
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