1991/0717/gnot/trap.c (diff list | history)

1991/0710/sys/src/9/gnot/trap.c:8,14 – 1991/0717/sys/src/9/gnot/trap.c:8,14 (short | long | prev | next)
1990/0513		#include "errno.h"
1990/03091		void notify(Ureg*);
1991/0503		void noted(Ureg*);
1991/0717		void noted(Ureg*, ulong);
1991/0503		void rfnote(Ureg*);
1990/03091		char *regname[]={
1991/0710/sys/src/9/gnot/trap.c:174,179 – 1991/0717/sys/src/9/gnot/trap.c:174,180
1990/03091		ur->pc = (ulong)u->notify; u->notified = 1; u->nnote--;
1991/0717		memmove(&u->lastnote, &u->note[0], sizeof(Note));
1991/0318		memmove(&u->note[0], &u->note[1], u->nnote*sizeof(Note));
1990/03091		} unlock(&u->p->debug);
1991/0710/sys/src/9/gnot/trap.c:183,189 – 1991/0717/sys/src/9/gnot/trap.c:184,190
1990/03091		* Return user to state before notify() */ void
1991/0503		noted(Ureg *ur)
1991/0717		noted(Ureg *ur, ulong arg0)
1990/03091		{
1991/0503		Ureg *nur;
1991/0710/sys/src/9/gnot/trap.c:201,209 – 1991/0717/sys/src/9/gnot/trap.c:202,227
1990/0619		}
1990/03091		u->notified = 0;
1991/0503		memmove(ur, u->ureg, sizeof(Ureg));
1990/03091		unlock(&u->p->debug); splhi();
1991/0503		rfnote(ur);
1991/0717		ur->r0 = -1; /* return error from the interrupted call */ switch(arg0){ case NCONT: splhi(); unlock(&u->p->debug); rfnote(ur); break; /* never returns */ default: pprint("unknown noted arg 0x%lux\n", arg0); u->lastnote.flag = NDebug; /* fall through */ case NTERM: if(u->lastnote.flag == NDebug) pprint("suicide: %s\n", u->lastnote.msg); unlock(&u->p->debug); pexit(u->lastnote.msg, u->lastnote.flag!=NDebug); }
1990/03091		} #undef CHDIR /* BUG */
1991/0710/sys/src/9/gnot/trap.c:316,322 – 1991/0717/sys/src/9/gnot/trap.c:334,340
1990/03091		u->p->insyscall = 0;
1991/0705		if(r0 == NOTED) /* ugly hack */
1991/0503		noted(aur); /* doesn't return */
1991/0717		noted(aur, *(ulong*)(sp+BY2WD)); /* doesn't return */
1990/03091		if(u->nnote){ ur->r0 = ret; notify(ur);