V2 [PATCH 4/5] i386: Remove _exit.S
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Message ID 20200108161535.6141-5-hjl.tools@gmail.com
State New
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Series
  • V2 [PATCH 4/5] i386: Remove _exit.S
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Commit Message

H.J. Lu Jan. 8, 2020, 4:15 p.m. UTC
The generic implementation is suffice since __NR_exit_group is always
support and i386 does define ABORT_INSTRUCTION.
---
 sysdeps/unix/sysv/linux/i386/_exit.S | 44 ----------------------------
 1 file changed, 44 deletions(-)
 delete mode 100644 sysdeps/unix/sysv/linux/i386/_exit.S

Comments

Adhemerval Zanella Jan. 9, 2020, 9:14 p.m. UTC | #1
LGTM thanks.

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>


On 08/01/2020 13:15, H.J. Lu wrote:
> The generic implementation is suffice since __NR_exit_group is always
> support and i386 does define ABORT_INSTRUCTION.
> ---
>  sysdeps/unix/sysv/linux/i386/_exit.S | 44 ----------------------------
>  1 file changed, 44 deletions(-)
>  delete mode 100644 sysdeps/unix/sysv/linux/i386/_exit.S
> 
> diff --git a/sysdeps/unix/sysv/linux/i386/_exit.S b/sysdeps/unix/sysv/linux/i386/_exit.S
> deleted file mode 100644
> index 1f7bfeb7e7..0000000000
> --- 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)
>

Patch
diff mbox series

diff --git a/sysdeps/unix/sysv/linux/i386/_exit.S b/sysdeps/unix/sysv/linux/i386/_exit.S
deleted file mode 100644
index 1f7bfeb7e7..0000000000
--- 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)