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[Bug gold/18061] New: Gold linker resolves symbols as thumb in arm mode
From: |
linux at carewolf dot com |
Subject: |
[Bug gold/18061] New: Gold linker resolves symbols as thumb in arm mode |
Date: |
Sat, 28 Feb 2015 11:31:49 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=18061
Bug ID: 18061
Summary: Gold linker resolves symbols as thumb in arm mode
Product: binutils
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: gold
Assignee: ccoutant at google dot com
Reporter: linux at carewolf dot com
CC: ian at airs dot com
The gold linker causes a bug in (Qt)WebKit when building in non-thumb mode on
with an armv7 architecture.
It appears that when taking the address of methods declared with extern "C" we
get a value with the least signicant bit set. This address is used by
JavaScriptCore to generate an assembler thunk, which when executed causes a
segmentation fault, apparently due to a mismatch in arm/thumb mode.
Original bug is tracked at: https://bugreports.qt.io/browse/QTBUG-44700
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