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/*
* OpenBSD/mips machine-dependent thread macros
*
* $OpenBSD: uthread_machdep.h,v 1.2 1998/11/20 11:15:37 d Exp $
*/
#include <machine/regnum.h>
#include <machine/signal.h>
/* floating point state is saved by setjmp/longjmp */
#define _thread_machdep_save_float_state(thr) /* no need */
#define _thread_machdep_restore_float_state(thr) /* no need */
/* initialise the jmpbuf stack frame so it continues from entry */
#define _thread_machdep_thread_create(thr, entry, pattr) \
{ \
struct sigcontext *j = &(thr)->saved_jmp_buf; \
\
/* initialise to sane values */ \
_thread_machdep_setjmp(j); \
/* entry */ \
j->sc_regs[RA] = j->sc_pc; /* for gdb */ \
j->sc_pc = (int)entry; \
/* stack */ \
j->sc_regs[SP] = (int) (thr)->stack \
+ (pattr)->stacksize_attr \
- sizeof(double); \
}
#define _thread_machdep_longjmp(a,v) longjmp(a,v)
#define _thread_machdep_setjmp(a) setjmp(a)
struct _machdep_struct {
/* nothing needed */
};
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