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x86: Show the un-relocated IP address in exceptions 

When trying to figure out where an exception has occured, the relocated
address is not a lot of help. Its value depends on various factors. Show
the un-relocated IP as well. This can be looked up in System.map directly.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2015-08-10 22:02:54 -06:00
parent b8098bc1c1
commit 7399515d25
1 changed files with 2 additions and 0 deletions
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2
arch/x86/cpu/interrupts.c
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@ -103,6 +103,8 @@ static void dump_regs(struct irq_regs *regs)
printf("EIP: %04x:[<%08lx>] EFLAGS: %08lx\n",
(u16)cs, eip, eflags);
if (gd->flags & GD_FLG_RELOC)
printf("Original EIP :[<%08lx>]\n", eip - gd->reloc_off);
printf("EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n",
regs->eax, regs->ebx, regs->ecx, regs->edx);