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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2019-02-15 11:55:16 -0200
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2019-04-17 15:14:41 -0300
commitffe8a9a8318e1db225b22da8bc067408494bac5c (patch)
tree601c619deb524e26d7eeae63c6a8969435c527d6 /nptl/unwindbuf.sym
parent0e169691290a6d2187a4ff41495fc5678cbfdcdc (diff)
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powerpc: Remove rt_sigreturn usage on context function
As described in a recent glibc thread [1], the rt_sigreturn syscall
on setcontext and swapcontext is not used on default use and its
intention is no really supported since neither setcontext nor
swapcontext are async-signal-safe.

Checked on powerpc64-linux-gnu and powerpc-linux-gnu.

	* sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S:
	Remove rt_sigreturn call.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S:
	Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S: Likewie.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S: Likewise.

[1] https://sourceware.org/ml/libc-alpha/2019-02/msg00367.html
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