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[Qemu-devel] [Bug 607794] Re: SEGFAULT caused by modifying the CPSR regi
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From: |
LG |
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Subject: |
[Qemu-devel] [Bug 607794] Re: SEGFAULT caused by modifying the CPSR register |
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Date: |
Tue, 20 Jul 2010 14:31:42 -0000 |
Here is a part of the gdb backtrace:
#2 0x000000000051a2bb in bank_number (env=<value optimized out>
#4 0x000000000051a584 in cpsr_write ((env=0x110a9d0
If I build qemu with debug flags, the env value won't be optimized out,
but will remain 0.
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SEGFAULT caused by modifying the CPSR register
https://bugs.launchpad.net/bugs/607794
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Status in QEMU: New
Bug description:
IIf the CPSR register (qemu-system-arm) is set to an invalid mode, qemu will
segfault, because it tries to access a NULL-Pointer "env" in translate.c:9286.
Either way, qemu will abort in exec.c:1863.