[glibc] i386: Remove _exit.S

H.J.Lu hjl@sourceware.org
Sat Feb 1 14:05:00 GMT 2020


https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bbfc0f0f8e30680437d1c5b90563018bcd403881

commit bbfc0f0f8e30680437d1c5b90563018bcd403881
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Sat Feb 1 05:44:56 2020 -0800

    i386: Remove _exit.S
    
    The generic implementation is suffice since __NR_exit_group is always
    support and i386 does define ABORT_INSTRUCTION.
    
    Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>

Diff:
---
 sysdeps/unix/sysv/linux/i386/_exit.S | 44 ------------------------------------
 1 file changed, 44 deletions(-)

diff --git a/sysdeps/unix/sysv/linux/i386/_exit.S b/sysdeps/unix/sysv/linux/i386/_exit.S
deleted file mode 100644
index 1f7bfeb..0000000
--- a/sysdeps/unix/sysv/linux/i386/_exit.S
+++ /dev/null
@@ -1,44 +0,0 @@
-/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <https://www.gnu.org/licenses/>.  */
-
-#include <sysdep.h>
-
-	.text
-	.type	_exit,@function
-	.global	_exit
-_exit:
-	movl	4(%esp), %ebx
-
-	/* Try the new syscall first.  */
-#ifdef __NR_exit_group
-	movl	$__NR_exit_group, %eax
-	ENTER_KERNEL
-#endif
-
-	/* Not available.  Now the old one.  */
-	movl	$__NR_exit, %eax
-	/* Don't bother using ENTER_KERNEL here.  If the exit_group
-	   syscall is not available AT_SYSINFO isn't either.  */
-	int	$0x80
-
-	/* This must not fail.  Be sure we don't return.  */
-	hlt
-	.size	_exit,.-_exit
-
-libc_hidden_def (_exit)
-rtld_hidden_def (_exit)
-weak_alias (_exit, _Exit)



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