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/*
* OpenBSD/powerpc machine-dependent thread macros
*
* $OpenBSD: uthread_machdep.h,v 1.3 1999/04/21 03:45:21 rahnds Exp $
*/
/* save the floating point state of a thread */
#define _thread_machdep_save_float_state(thr) \
{ \
/* rahnds to fill in */ \
}
/* restore the floating point state of a thread */
#define _thread_machdep_restore_float_state(thr) \
{ \
/* rahnds to fill in */ \
}
#define JMP_r1 (0x04/4)
#define JMP_lr (0x50/4)
/* initialise the jmpbuf stack frame so it continues from entry */
#define _thread_machdep_thread_create(thr, entry, pattr) \
{ \
(thr)->saved_jmp_buf[JMP_lr] = \
(unsigned int) entry; \
(thr)->saved_jmp_buf[JMP_r1] = \
((unsigned int) (thr)->stack \
+ (pattr)->stacksize_attr \
- 0x4) & ~0xf; \
{ \
unsigned int *pbacklink = \
(thr)->saved_jmp_buf[JMP_r1]; \
*pbacklink = 0; \
} \
}
#define _thread_machdep_longjmp(a,v) longjmp(a,v)
#define _thread_machdep_setjmp(a) setjmp(a)
typedef jmp_buf _machdep_jmp_buf;
struct _machdep_struct {
char xxx;
};
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