38 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
			
		
		
	
	
			38 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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| 
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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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| 
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| http://sourceforge.net/mailarchive/message.php?msg_name=200503102200.32002.bruno%40clisp.org
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| 
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| Modified for Factor by Slava Pestov */
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| #include <ucontext.h>
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| 
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| #define MACH_EXC_STATE_TYPE i386_exception_state_t
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| #define MACH_EXC_STATE_FLAVOR i386_EXCEPTION_STATE
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| #define MACH_EXC_STATE_COUNT i386_EXCEPTION_STATE_COUNT
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| #define MACH_THREAD_STATE_TYPE i386_thread_state_t
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| #define MACH_THREAD_STATE_FLAVOR i386_THREAD_STATE
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| #define MACH_THREAD_STATE_COUNT i386_THREAD_STATE_COUNT
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| 
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| #if __DARWIN_UNIX03
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| 	#define MACH_EXC_STATE_FAULT(exc_state) (exc_state)->__faultvaddr
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| 	#define MACH_STACK_POINTER(thr_state) (thr_state)->__esp
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| 	#define MACH_PROGRAM_COUNTER(thr_state) (thr_state)->__eip
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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)->faultvaddr
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| 	#define MACH_STACK_POINTER(thr_state) (thr_state)->esp
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| 	#define MACH_PROGRAM_COUNTER(thr_state) (thr_state)->eip
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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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| 
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| INLINE CELL fix_stack_pointer(CELL sp)
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| {
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| 	return ((sp + 4) & ~15) - 4;
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| }
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