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authorWill Newton <will.newton@linaro.org>2014-05-19 14:38:30 +0100
committerWill Newton <will.newton@linaro.org>2014-05-20 13:48:23 +0100
commita60339aaff82beadea6f580e587d64052cb5e3b8 (patch)
treee56bf2998936414815daef3ed7f5ab5861a6254b /sysdeps/unix/sysv/linux/aarch64/libc-__read_tp.S
parent7d05a8168b45c0580e1f9a79c2dd26c8f0d31fca (diff)
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AArch64: Fix handling of nocancel syscall failures
The current code for nocancel syscalls does not do a comparison of
the system call return value. This leads to code being generated
where the b.cs follows the svc instruction directly without setting
the flags on which the branch depends.

ChangeLog:

2014-05-20  Will Newton  <will.newton@linaro.org>

	* sysdeps/unix/sysv/linux/aarch64/nptl/sysdep-cancel.h (PSEUDO):
	Test the return value of the system call in the nocancel case.
Diffstat (limited to 'sysdeps/unix/sysv/linux/aarch64/libc-__read_tp.S')
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