24 lines
853 B
C
24 lines
853 B
C
#define SIGSEGV_EXC_STATE_TYPE i386_exception_state_t
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#define SIGSEGV_EXC_STATE_FLAVOR i386_EXCEPTION_STATE
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#define SIGSEGV_EXC_STATE_COUNT i386_EXCEPTION_STATE_COUNT
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#define SIGSEGV_EXC_STATE_FAULT(exc_state) (exc_state).dar
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#define SIGSEGV_THREAD_STATE_TYPE i386_thread_state_t
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#define SIGSEGV_THREAD_STATE_FLAVOR i386_THREAD_STATE
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#define SIGSEGV_THREAD_STATE_COUNT i386_THREAD_STATE_COUNT
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#define SIGSEGV_STACK_POINTER(thr_state) (thr_state).esp
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#define SIGSEGV_PROGRAM_COUNTER(thr_state) (thr_state).eip
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/* Adjust stack pointer so we can push an arg */
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INLINE unsigned long fix_stack_ptr(unsigned long sp)
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{
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if ((sp & 0xf) != 0) sp -= (sp & 0xf);
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sp -= 8;
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return sp;
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}
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INLINE void pass_arg0(SIGSEGV_THREAD_STATE_TYPE *thr_state, CELL arg)
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{
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*SIGSEGV_STACK_POINTER(*thread_state) = arg;
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SIGSEGV_STACK_POINTER(*thread_state) -= CELLS;
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}
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