1992/0714/pc/trap.c (diff list | history)

1992/0714/sys/src/9/pc/trap.c:274,279 – 1992/0804/sys/src/9/pc/trap.c:274,298 (short | long | prev | next)
1991/0720		void dumpstack(void) {
1992/0804		ulong l, v, i; extern ulong etext; if(u == 0) return; i = 0; for(l=(ulong)&l; l<USERADDR+BY2PG; l+=4){ v = *(ulong*)l; if(KTZERO < v && v < (ulong)&etext){ print("%lux ", v); i++; } if(i == 4){ i = 0; print("\n"); } }
1991/0720		}
1991/1214		long
1992/0714/sys/src/9/pc/trap.c:334,341 – 1992/0804/sys/src/9/pc/trap.c:353,362
1992/0625		u->s = *((Sargs*)(sp+1*BY2WD));
1992/06271		u->p->psstate = sysctab[u->scallnr];
1992/0625
1992/0804		if(u->p->fgrp->ref <= 0) print("before syscall %s\n", u->p->psstate);
1992/06271		ret = (*systab[u->scallnr])(u->s.args);
1991/0720		poperror();
1992/0804		if(u->p->fgrp->ref <= 0) print("after syscall %s\n", u->p->psstate);
1991/0720		} if(u->nerrlab){
1992/06271		print("bad errstack [%d]: %d extra\n", u->scallnr, u->nerrlab);
1992/0714/sys/src/9/pc/trap.c:361,366 – 1992/0804/sys/src/9/pc/trap.c:382,388
1992/0103		splhi(); /* avoid interrupts during the iret */
1992/06271		if(u->scallnr!=RFORK && (u->p->procctl || u->nnote))
1991/0720		notify(ur);
1992/0804
1991/0720		return ret;
1991/0710		}