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Blackfin arch: fix bux - only reset the PC when necessary, otherwise gdb gets confused

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Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
This commit is contained in:
Robin Getz 2007-11-12 22:46:46 +08:00 committed by Bryan Wu
parent f26fbc48f1
commit 4a589e1ef6
1 changed files with 3 additions and 2 deletions
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5
arch/blackfin/kernel/traps.c
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@ -158,7 +158,7 @@ static void decode_address(char *buf, unsigned long address)
}
/* we were unable to find this address anywhere */
sprintf(buf, "[<0x%p>]", (void *)address);
sprintf(buf, "<0x%p> /* unknown address */", (void *)address);
done:
write_unlock_irqrestore(&tasklist_lock, flags);
@ -467,7 +467,8 @@ asmlinkage void trap_c(struct pt_regs *fp)
/* Ensure that bad return addresses don't end up in an infinite
* loop, due to speculative loads/reads
*/
fp->pc = SAFE_USER_INSTRUCTION;
if (trapnr == VEC_CPLB_I_M)
fp->pc = SAFE_USER_INSTRUCTION;
}
info.si_signo = sig;
info.si_errno = 0;