1991/1111/ss/trap.c (diff list | history)

1991/1108/sys/src/9/ss/trap.c:121,126 – 1991/1111/sys/src/9/ss/trap.c:121,127 (short | long | prev | next)
1991/01151		default: break; }
1991/1111		Error:
1991/01151		if(user){ spllo(); sprint(buf, "sys: trap: pc=0x%lux %s", ur->pc, excname(tbr));
1991/1108/sys/src/9/ss/trap.c:128,134 – 1991/1111/sys/src/9/ss/trap.c:129,134
1991/01151		sprint(buf+strlen(buf), " FSR %lux", u->fpsave.fsr); postnote(u->p, 1, buf, NDebug); }else{ Error: print("kernel trap: %s pc=0x%lux\n", excname(tbr), ur->pc); dumpregs(ur); for(;;);
1991/1108/sys/src/9/ss/trap.c:136,145 – 1991/1111/sys/src/9/ss/trap.c:136,142
1990/1223		}
1991/01151		Return:
1991/1108		if(user) { if(u->p->procctl) procctl(u->p); if(u->nnote) notify(ur);
1991/1111		notify(ur);
1991/1108		if(u->p->fpstate == FPinactive) { restfpregs(&u->fpsave); u->p->fpstate = FPactive;
1991/1108/sys/src/9/ss/trap.c:219,224 – 1991/1111/sys/src/9/ss/trap.c:216,225
1990/1223		{ ulong sp;
1991/1111		if(u->p->procctl) procctl(u->p); if(u->nnote == 0) return;
1990/1223		lock(&u->p->debug);
1991/0727		u->p->notepending = 0;
1991/0112		if(u->nnote==0){
1991/1108/sys/src/9/ss/trap.c:345,353 – 1991/1111/sys/src/9/ss/trap.c:346,351
1990/1223		} spllo();
1991/1108		if(u->p->procctl) procctl(u->p);
1990/1226		r7 = ur->r7;
1990/1223		sp = ur->usp;
1991/1108/sys/src/9/ss/trap.c:382,388 – 1991/1111/sys/src/9/ss/trap.c:380,386
1991/0926		u->p->psstate = 0;
1990/1226		if(r7 == NOTED) /* ugly hack */
1991/0717		noted(&aur, *(ulong*)(sp+1*BY2WD)); /* doesn't return */
1991/0724		if(u->nnote && r7!=FORK){
1991/1111		if(u->p->procctl || (u->nnote && r7!=FORK)){
1990/1226		ur->r7 = ret;
1990/1223		notify(ur); }
1991/1108/sys/src/9/ss/trap.c:393,396 – 1991/1111/sys/src/9/ss/trap.c:391,403
1990/1226		execpc(ulong entry) { ((Ureg*)UREGADDR)->pc = entry - 4; /* syscall advances it */
1991/1111		} /* This routine must save the values of registers the user is not permitted * to write from devproc and restore them before returning */ void setregisters(Ureg *xp, char *pureg, char *uva, int n) { print("setregisters: no idea\n");
1990/1223		}