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aarch64 regression: gdb.cp/nextoverthrow.exp [Re: [PATCH master+7.12] [AArch64] Match instruction "STP with base register" in prologue]


On Fri, 19 Aug 2016 15:34:36 +0200, Yao Qi wrote:
> I'll push it in.
[...]
> 2016-08-19  Yao Qi  <yao.qi@linaro.org>
> 
> 	* aarch64-tdep.c (aarch64_analyze_prologue): Handle register
> 	based STP instruction.

03bcd7394eefb9399f5ab97919a0463dea274c02 is the first bad commit
commit 03bcd7394eefb9399f5ab97919a0463dea274c02
Author: Yao Qi <yao.qi@linaro.org>
Date:   Fri Aug 19 14:49:31 2016 +0100
    [AArch64] Match instruction "STP with base register" in prologue

FAIL: gdb.cp/nextoverthrow.exp: tbreak _Unwind_RaiseException (GDB internal error)
FAIL: gdb.cp/nextoverthrow.exp: continuing to _Unwind_RaiseException (the program exited)
FAIL: gdb.cp/nextoverthrow.exp: finish (the program is no longer running)
FAIL: gdb.cp/nextoverthrow.exp: continuing to Second: resumebpt (the program is no longer running)
FAIL: gdb.cp/nextoverthrow.exp: continuing to done (the program is no longer running)
FAIL: gdb.cp/nextoverthrow.exp: post-check - advance

tbreak _Unwind_RaiseException^M
aarch64-tdep.c:335: internal-error: CORE_ADDR aarch64_analyze_prologue(gdbarch*, CORE_ADDR, CORE_ADDR, aarch64_prologue_cache*): Assertion `inst.operands[0].type == AARCH64_OPND_Rt' failed.^M
A problem internal to GDB has been detected,^M
further debugging may prove unreliable.^M
Quit this debugging session? (y or n) FAIL: gdb.cp/nextoverthrow.exp: tbreak _Unwind_RaiseException (GDB internal error)

RHEL-7.3-20161007.n.0 Server aarch64
gcc-4.8.5-11.el7.aarch64

Please contact me (possibly also offlist) if you have it unreproducible.


Thanks,
Jan


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