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authorJoseph Myers <joseph@codesourcery.com>2014-06-26 23:55:46 +0000
committerJoseph Myers <joseph@codesourcery.com>2014-06-26 23:55:46 +0000
commitb351d85aa284f81271bc93e11301e1c2466b7c82 (patch)
treebbde7ff8a6d9beb8ea914d9617b1209ef8b8fc3a /sysdeps/ieee754/dbl-64/e_jn.c
parent3cb4de474155c315003746f3de9c408b824abc5e (diff)
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Fix MIPS64 *_nocancel gp setup.
The 64-bit MIPS ABIs involve the caller setting up t9 ($25) to the
address of the called function, and the called function then using
this in a .cpsetup directive to compute gp.  The .cpsetup directive
needs to name the function to which t9 points for this purpose.  In
the definition of *_nocancel functions, the directive pointed to the
normal entry point rather than the _nocancel one, resulting in
segfaults when the _nocancel functions were used.  This patch corrects
the function name used in the directive.  (It seems the bug was latent
until Roland's not-cancel.h unification, with the _nocancel entry
points not previously being used - so not user-visible in a release,
so no Bugzilla entry required.)

Tested mips64 sufficiently to confirm the previously seen segfaults
are fixed.

	* sysdeps/unix/sysv/linux/mips/mips64/nptl/sysdep-cancel.h
	[__PIC__] (PSEUDO): Use name of _nocancel entry point in
	corresponding .cpsetup call.
Diffstat (limited to 'sysdeps/ieee754/dbl-64/e_jn.c')
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