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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
os
linux
[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>
authored by
Anton Blanchard
and committed by
Paul Mackerras
bce6c5fd
834608f7
+4
-3
arch/powerpc/mm/fault.c
+4
-3
arch/powerpc/mm/fault.c
···
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}
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#if !(defined(CONFIG_4xx) || defined(CONFIG_BOOKE))
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-
static void do_dabr(struct pt_regs *regs, unsigned long error_code)
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+
static void do_dabr(struct pt_regs *regs, unsigned long address,
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unsigned long error_code)
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{
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siginfo_t info;
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···
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info.si_signo = SIGTRAP;
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info.si_errno = 0;
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info.si_code = TRAP_HWBKPT;
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-
info.si_addr = (void __user *)regs->nip;
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info.si_addr = (void __user *)address;
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force_sig_info(SIGTRAP, &info, current);
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}
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#endif /* !(CONFIG_4xx || CONFIG_BOOKE)*/
···
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#if !(defined(CONFIG_4xx) || defined(CONFIG_BOOKE))
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if (error_code & DSISR_DABRMATCH) {
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/* DABR match */
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-
do_dabr(regs, error_code);
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+
do_dabr(regs, address, error_code);
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return 0;
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}
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#endif /* !(CONFIG_4xx || CONFIG_BOOKE)*/