ref: ca77cceb2a07b9645a83a07bd769ea9a3df73ed7
dir: /sys/src/libc/amd64/notejmp.c/
#include <u.h>
#include <libc.h>
#include <ureg.h>
void
notejmp(void *vr, jmp_buf j, int ret)
{
struct Ureg *r = vr;
r->ax = ret;
if(ret == 0)
r->ax = 1;
r->pc = j[JMPBUFPC];
r->sp = j[JMPBUFSP] + 8;
noted(NCONT);
}