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Update.

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* sysdeps/unix/sysv/linux/i386/pthread_once.S: Use ENTER_KERNEL instead
	of int $0x80.
	* sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/libc-lowlevelmutex.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/lowlevelcond.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/lowlevelmutex.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/lowlevelrwlock.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S: Likewise.

	* sysdeps/unix/sysv/linux/i386/lowlevellock.h: Add support for using
	sysenter.
	* sysdeps/unix/sysv/linux/i386/lowlevelsem.h: Likewise.

	* sysdeps/i386/tls.h: Unconditionally include <dl-sysdep.h>.
This commit is contained in:
Ulrich Drepper
2002-12-20 07:12:24 +00:00
parent 5f5843e30d
commit 097eca29e8
17 changed files with 100 additions and 52 deletions
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4
sysdeps/unix/sysv/linux/i386/_exit.S
View File

@ -27,11 +27,13 @@ _exit:
/* Try the new syscall first. */
#ifdef __NR_exit_group
movl $__NR_exit_group, %eax
int $0x80
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. */

4
sysdeps/unix/sysv/linux/i386/getcontext.S
View File

@ -1,5 +1,5 @@
/* Save current context.
Copyright (C) 2001 Free Software Foundation, Inc.
Copyright (C) 2001, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
@ -63,7 +63,7 @@ ENTRY(__getcontext)
xorl %ecx, %ecx
movl $SIG_BLOCK, %ebx
movl $__NR_sigprocmask, %eax
int $0x80
ENTER_KERNEL
popl %ebx
cmpl $-4095, %eax /* Check %eax for error. */
jae SYSCALL_ERROR_LABEL /* Jump to error handler if error. */

4
sysdeps/unix/sysv/linux/i386/setcontext.S
View File

@ -1,5 +1,5 @@
/* Install given context.
Copyright (C) 2001 Free Software Foundation, Inc.
Copyright (C) 2001, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
@ -35,7 +35,7 @@ ENTRY(__setcontext)
leal oSIGMASK(%eax), %ecx
movl $SIG_SETMASK, %ebx
movl $__NR_sigprocmask, %eax
int $0x80
ENTER_KERNEL
popl %ebx
cmpl $-4095, %eax /* Check %eax for error. */
jae SYSCALL_ERROR_LABEL /* Jump to error handler if error. */

4
sysdeps/unix/sysv/linux/i386/swapcontext.S
View File

@ -1,5 +1,5 @@
/* Save current context and install the given one.
Copyright (C) 2001 Free Software Foundation, Inc.
Copyright (C) 2001, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
@ -65,7 +65,7 @@ ENTRY(__swapcontext)
leal oSIGMASK(%ecx), %ecx
movl $SIG_SETMASK, %ebx
movl $__NR_sigprocmask, %eax
int $0x80
ENTER_KERNEL
popl %ebx
cmpl $-4095, %eax /* Check %eax for error. */
jae SYSCALL_ERROR_LABEL /* Jump to error handler if error. */