From bddde5860ffb8a78587854cc8e3e914bd69269ca Mon Sep 17 00:00:00 2001
From: Waldemar Brodkorb <wbx@openadk.org>
Date: Sun, 22 Jan 2017 10:24:51 +0100
Subject: remove PID caching

Follow GNU C Library from c579f48edba88380635ab98cb612030e3ed8691e
and remove the PID caching. These simplifies the architecture specific
assembly code.
The run of the test suite found no regressions, it even solves
some of the test failures for x86/x86_64/sparc.

Reviewed-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Acked-by: Matthew Fortune <Matthew.Fortune@imgtec.com>
Acked-by: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
---
 libc/sysdeps/linux/metag/vfork.S | 12 ------------
 1 file changed, 12 deletions(-)

(limited to 'libc/sysdeps/linux/metag/vfork.S')

diff --git a/libc/sysdeps/linux/metag/vfork.S b/libc/sysdeps/linux/metag/vfork.S
index 8573dedd3..5e2fc8808 100644
--- a/libc/sysdeps/linux/metag/vfork.S
+++ b/libc/sysdeps/linux/metag/vfork.S
@@ -8,14 +8,6 @@
 #include <bits/errno.h>
 #include <sys/syscall.h>
 
-#ifndef SAVE_PID
-#define SAVE_PID
-#endif
-
-#ifndef RESTORE_PID
-#define RESTORE_PID
-#endif
-
 #ifdef __NR_vfork
 #define __VFORK_NR __NR_vfork
 #else
@@ -33,8 +25,6 @@
 	.type	___vfork, @function
 ___vfork:
 
-	SAVE_PID
-
 	MOV	D1Ar1, #0x4111	/* CLONE_VM | CLONE_VFORK | SIGCHLD */
 	MOV	D0Ar2, #0
 	MOV	D1Ar3, #0
@@ -44,8 +34,6 @@ ___vfork:
 	MOV	D1Re0, #__NR_clone
 	SWITCH  #0x440001
 
-	RESTORE_PID
-
 	MOVT	D1Re0, #HI(-4096)
 	ADD	D1Re0, D1Re0, #LO(-4096)
 	CMP	D1Re0, D0Re0
-- 
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