factor/vm/os-macosx-ppc.h

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/* 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 */
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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
#define MACH_EXC_STATE_FLAVOR PPC_EXCEPTION_STATE
#define MACH_EXC_STATE_COUNT PPC_EXCEPTION_STATE_COUNT
#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
#if __DARWIN_UNIX03
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#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_PROGRAM_COUNTER(ucontext) \
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
#define MACH_STACK_POINTER(thr_state) (thr_state)->r1
#define MACH_PROGRAM_COUNTER(thr_state) (thr_state)->srr0
#define UAP_PROGRAM_COUNTER(ucontext) \
MACH_PROGRAM_COUNTER(&(((ucontext_t *)(ucontext))->uc_mcontext->ss))
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#endif
INLINE CELL fix_stack_pointer(CELL sp)
{
return sp;
}