1990/0511/gnot/trap.c (diff list | history)

1990/0511/sys/src/9/gnot/trap.c:5,10 – 1990/0513/sys/src/9/gnot/trap.c:5,11 (short | long | prev | next)
1990/03091		#include "fns.h" #include "ureg.h" #include "io.h"
1990/0513		#include "errno.h"
1990/03091		void notify(Ureg*); void noted(Ureg**);
1990/0511/sys/src/9/gnot/trap.c:241,246 – 1990/0513/sys/src/9/gnot/trap.c:242,248
1990/03091		ulong sp; ulong r0; Ureg *ur;
1990/0513		char *msg;
1990/03091		u->p->insyscall = 1; ur = aur;
1990/0511/sys/src/9/gnot/trap.c:263,270 – 1990/0513/sys/src/9/gnot/trap.c:265,272
1990/03091		u->nerrlab = 0; ret = -1;
1990/0511		if(!waserror()){ if(r1 >= sizeof systab/BY2WD){ pprint("bad sys call number %d pc %lux\n", r1, ((Ureg*)UREGADDR)->pc);
1990/0513		if(r0 >= sizeof systab/BY2WD){ pprint("bad sys call number %d pc %lux\n", r0, ((Ureg*)UREGADDR)->pc);
1990/0511		msg = "bad sys call"; Bad: postnote(u->p, 1, msg, NDebug);
1990/0511/sys/src/9/gnot/trap.c:277,283 – 1990/0513/sys/src/9/gnot/trap.c:279,285
1990/0511		} if(sp<(USTKTOP-BY2PG) || sp>(USTKTOP-4*BY2WD)) validaddr(ur->sp, 4*BY2WD, 0); ret = (*systab[r1])((ulong*)(sp+2*BY2WD));
1990/0513		ret = (*systab[r0])((ulong*)(sp+2*BY2WD));
1990/0511		}
1990/03091		u->nerrlab = 0; u->p->insyscall = 0;