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[Qemu-devel] [Bug 1299190] Re: Access to /proc/self/exe in linux-user mo
From: |
Maxim Ostapenko |
Subject: |
[Qemu-devel] [Bug 1299190] Re: Access to /proc/self/exe in linux-user mode |
Date: |
Mon, 31 Mar 2014 15:43:10 -0000 |
This tiny patch seems to work.
** Patch added: "qemu.patch"
https://bugs.launchpad.net/qemu/+bug/1299190/+attachment/4055887/+files/qemu.patch
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https://bugs.launchpad.net/bugs/1299190
Title:
Access to /proc/self/exe in linux-user mode
Status in QEMU:
New
Bug description:
This is based on a recent bug in GCC Bugzilla:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60681
It looks like libbacktrace (GCC runtime library used for obtaining
stack traces) uses /proc/self/exe for error reporting. Currently this
is mapped to qemu-arm which effectively disables libbacktrace on
linux-user.
It seems that QEMU already supports /proc/self/{maps,stat,auxv} so
addition of /proc/self/exe may be trivial.
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