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[POWERPC] Make setjmp/longjmp code usable outside of xmon

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This makes the setjmp/longjmp code used by xmon, generically available
to other code.  It also removes the requirement for debugger hooks to
be only called on 0x300 (data storage) exception.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Michael Neuling
2008-01-18 15:50:30 +11:00
committed by Paul Mackerras
parent caa34c9e9c
commit c3b75bd7bb
5 changed files with 86 additions and 70 deletions
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6
arch/powerpc/mm/fault.c
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@ -167,10 +167,8 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address,
if (notify_page_fault(regs))
return 0;
if (trap == 0x300) {
if (debugger_fault_handler(regs))
return 0;
}
if (unlikely(debugger_fault_handler(regs)))
return 0;
/* On a kernel SLB miss we can only check for a valid exception entry */
if (!user_mode(regs) && (address >= TASK_SIZE))