1234567891011121314151617181920212223242526 |
- #include <u.h>
- #include <libc.h>
- #include <thread.h>
- #include "threadimpl.h"
- /* first argument goes in a register; simplest just to ignore it */
- static void
- launcheramd64(int, void (*f)(void *arg), void *arg)
- {
- (*f)(arg);
- threadexits(nil);
- }
- void
- _threadinitstack(Thread *t, void (*f)(void*), void *arg)
- {
- uvlong *tos;
- tos = (uvlong*)&t->stk[t->stksize&~7];
- *--tos = (uvlong)arg;
- *--tos = (uvlong)f;
- *--tos = 0; /* first arg to launcheramd64 */
- t->sched[JMPBUFPC] = (uvlong)launcheramd64+JMPBUFDPC;
- t->sched[JMPBUFSP] = (uvlong)tos - 2*8; /* old PC and new PC */
- }
|