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tile: Consolidate NPTL/non versions of vfork

This commit is contained in:
Chris Metcalf 2014-06-11 15:52:53 -04:00
parent c9cab3d2f9
commit c3a2ebe1f7
4 changed files with 10 additions and 6 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2014-06-11 Chris Metcalf <cmetcalf@tilera.com>
* sysdeps/unix/sysv/linux/tile/pt-vfork.c: New file.
* sysdeps/unix/sysv/linux/tile/pt-vfork.S: Remove file.
* sysdeps/unix/sysv/linux/tile/vfork.S (__vfork): Make PT_VFORK
conditional code always true.
(__libc_vfork): New alias.
2014-06-11 Roland McGrath <roland@hack.frob.com>
* sysdeps/tile/nptl/tls.h (TLS_DEFINE_INIT_TP): New macro.

2
sysdeps/unix/sysv/linux/tile/pt-vfork.S
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@ -1,2 +0,0 @@
#define PT_VFORK 1 /* pid is never zero */
#include "vfork.S"

1
sysdeps/unix/sysv/linux/tile/pt-vfork.c Normal file
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@ -0,0 +1 @@
#include <sysdeps/unix/sysv/linux/aarch64/pt-vfork.c>

5
sysdeps/unix/sysv/linux/tile/vfork.S
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@ -38,9 +38,7 @@ ENTRY (__vfork)
shli r13, r13, 31 /* Build 0x80000000. */
}
sub r12, zero, r12 /* Negate it. */
#ifndef PT_VFORK
CMOVEQZ r12, r12, r13 /* Replace zero pids. */
#endif
ST4 r11, r12 /* Store the temporary PID. */
{
@ -67,9 +65,7 @@ ENTRY (__vfork)
CMPEQ r13, r12, r12 /* Test for that value. */
sub r12, zero, r12 /* Re-negate it. */
}
#ifndef PT_VFORK
CMOVNEZ r12, r13, zero /* Replace zero pids. */
#endif
ST4 r11, r12 /* Restore the PID. */
1:
BNEZ r1, 0f
@ -78,3 +74,4 @@ PSEUDO_END (__vfork)
libc_hidden_def (__vfork)
weak_alias (__vfork, vfork)
strong_alias (__vfork, __libc_vfork)