1999/0721/pc/trap.c (diff list | history)

1999/0720/sys/src/9/pc/trap.c:314,331 – 1999/0721/sys/src/9/pc/trap.c:314,337 (short | long | prev | next)
1998/0811		print("\n ur %lux up %lux\n", ureg, up);
1993/0915		}
1999/0721		/* * Fill in enough of Ureg to get a stack trace, and call a function. * Used by debugging interface rdb. */
1993/0915		void
1999/0720		getpcsp(ulong *pc, ulong *sp)
1999/0721		callwithureg(void (*fn)(Ureg*))
1999/0720		{ *pc = getcallerpc(&pc); *sp = (ulong)&pc;
1999/0721		Ureg ureg; ureg.pc = getcallerpc(&fn); ureg.sp = (ulong)&fn; fn(&ureg);
1999/0720		} void
1991/0720		dumpstack(void)
1999/0721		static void _dumpstack(Ureg *ureg)
1991/0720		{
1992/0804		ulong l, v, i;
1999/0720		ulong sp, pc;
1997/0327		uchar *p;
1992/0804		extern ulong etext;
1999/0720/sys/src/9/pc/trap.c:332,339 – 1999/0721/sys/src/9/pc/trap.c:338,344
1993/0915		if(up == 0)
1992/0804		return;
1999/0720		getpcsp(&pc, &sp); print("ktrace /kernel/path %.8lux %.8lux\n", pc, sp);
1999/0721		print("ktrace /kernel/path %.8lux %.8lux\n", ureg->pc, ureg->sp);
1992/0804		i = 0;
1994/0816		for(l=(ulong)&l; l<(ulong)(up->kstack+KSTACK); l+=4){
1992/0804		v = *(ulong*)l;
1999/0720/sys/src/9/pc/trap.c:356,361 – 1999/0721/sys/src/9/pc/trap.c:361,372
1992/0804		}
1999/0720		if(i) print("\n");
1999/0721		} void dumpstack(void) { callwithureg(_dumpstack);
1991/0720		}
1997/0327		static void