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[src/trunk]: src/sys/arch/usermode/usermode Print the byte codes that failed
details: https://anonhg.NetBSD.org/src/rev/4a181df0f563
branches: trunk
changeset: 769367:4a181df0f563
user: reinoud <reinoud%NetBSD.org@localhost>
date: Wed Sep 07 10:00:19 2011 +0000
description:
Print the byte codes that failed
State actions to implement.
diffstat:
sys/arch/usermode/usermode/trap.c | 20 +++++++++++---------
1 files changed, 11 insertions(+), 9 deletions(-)
diffs (55 lines):
diff -r c0733791c341 -r 4a181df0f563 sys/arch/usermode/usermode/trap.c
--- a/sys/arch/usermode/usermode/trap.c Wed Sep 07 09:24:55 2011 +0000
+++ b/sys/arch/usermode/usermode/trap.c Wed Sep 07 10:00:19 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: trap.c,v 1.30 2011/09/06 09:55:04 jmcneill Exp $ */
+/* $NetBSD: trap.c,v 1.31 2011/09/07 10:00:19 reinoud Exp $ */
/*-
* Copyright (c) 2011 Reinoud Zandijk <reinoud%netbsd.org@localhost>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.30 2011/09/06 09:55:04 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.31 2011/09/07 10:00:19 reinoud Exp $");
#include <sys/types.h>
#include <sys/param.h>
@@ -233,15 +233,11 @@
static void
illegal_instruction_handler(int sig, siginfo_t *info, void *ctx)
{
- static volatile int recurse = 0;
struct proc *p;
struct lwp *l;
struct pcb *pcb;
vaddr_t va;
- recurse++;
- if (recurse > 1)
- printf("enter trap recursion level %d\n", recurse);
if (info->si_signo == SIGILL) {
l = curlwp;
p = l->l_proc;
@@ -278,11 +274,17 @@
printf("\t\tInternal stack error");
printf("\tsi_addr = %p\n", info->si_addr);
printf("\tsi_trap = %d\n", info->si_trap);
+
+ printf("%p : ", info->si_addr);
+ for (int i = 0; i < 10; i++)
+ printf("%02x ", *((uint8_t *) info->si_addr + i));
+ printf("\n");
#endif
- if (recurse > 1)
- printf("leaving trap recursion level %d\n", recurse);
- recurse--;
+ /* TODO MD host to NetBSD MD ucontext fixup */
+ /* TODO MD syscall pre-fixup */
+ /* TODO system call issueing */
+ /* TODO MD syscall post-fixup */
panic("illegal instruction encountered\n");
}
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