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[PATCH] powerpc: DABR exceptions should report the address not the PC 

When taking a DABR exception we were reporting the PC. It makes more
sense to report the address that caused the exception, and the gdb guys
would like it that way.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Anton Blanchard 2006-01-09 15:47:04 +11:00 committed by Paul Mackerras
parent 834608f71a
commit bce6c5fd8c
1 changed files with 4 additions and 3 deletions
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7
arch/powerpc/mm/fault.c
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@ -81,7 +81,8 @@ static int store_updates_sp(struct pt_regs *regs)
}
#if !(defined(CONFIG_4xx) || defined(CONFIG_BOOKE))
static void do_dabr(struct pt_regs *regs, unsigned long error_code)
static void do_dabr(struct pt_regs *regs, unsigned long address,
unsigned long error_code)
{
siginfo_t info;
@ -99,7 +100,7 @@ static void do_dabr(struct pt_regs *regs, unsigned long error_code)
info.si_signo = SIGTRAP;
info.si_errno = 0;
info.si_code = TRAP_HWBKPT;
info.si_addr = (void __user *)regs->nip;
info.si_addr = (void __user *)address;
force_sig_info(SIGTRAP, &info, current);
}
#endif /* !(CONFIG_4xx || CONFIG_BOOKE)*/
@ -159,7 +160,7 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address,
#if !(defined(CONFIG_4xx) || defined(CONFIG_BOOKE))
if (error_code & DSISR_DABRMATCH) {
/* DABR match */
do_dabr(regs, error_code);
do_dabr(regs, address, error_code);
return 0;
}
#endif /* !(CONFIG_4xx || CONFIG_BOOKE)*/