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[PATCH] i386: print EIP/ESP last

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Print summary registers (EIP and SS:ESP only) as last death info.  This
makes this important data visible in case it had scrolled off the top of
the display.  Similar to what x86_64 does.  Suggested by Andi Kleen.

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Randy Dunlap 2006-04-10 22:53:11 -07:00 committed by Linus Torvalds
parent 6cf272acd5
commit 7bee5c0fd2
1 changed files with 15 additions and 1 deletions
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16
arch/i386/kernel/traps.c
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@ -365,6 +365,9 @@ void die(const char * str, struct pt_regs * regs, long err)
if (++die.lock_owner_depth < 3) {
int nl = 0;
unsigned long esp;
unsigned short ss;
handle_BUG(regs);
printk(KERN_EMERG "%s: %04lx [#%d]\n", str, err & 0xffff, ++die_counter);
#ifdef CONFIG_PREEMPT
@ -387,8 +390,19 @@ void die(const char * str, struct pt_regs * regs, long err)
printk("\n");
if (notify_die(DIE_OOPS, str, regs, err,
current->thread.trap_no, SIGSEGV) !=
NOTIFY_STOP)
NOTIFY_STOP) {
show_registers(regs);
/* Executive summary in case the oops scrolled away */
esp = (unsigned long) (&regs->esp);
savesegment(ss, ss);
if (user_mode(regs)) {
esp = regs->esp;
ss = regs->xss & 0xffff;
}
printk(KERN_EMERG "EIP: [<%08lx>] ", regs->eip);
print_symbol("%s", regs->eip);
printk(" SS:ESP %04x:%08lx\n", ss, esp);
}
else
regs = NULL;
} else