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-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S334
1 files changed, 0 insertions, 334 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S
deleted file mode 100644
index 1e32ec0767..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S
+++ /dev/null
@@ -1,334 +0,0 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
-
- 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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#include <sysdep.h>
-#include <shlib-compat.h>
-
- .text
-
-#ifndef UP
-# define LOCK lock
-#else
-# define
-#endif
-
-#define SYS_gettimeofday __NR_gettimeofday
-#define SYS_futex 240
-#define FUTEX_WAKE 1
-
-#define EINTR 4
-#define EAGAIN 11
-#define EWOULDBLOCK EAGAIN
-#define EINVAL 22
-#define ETIMEDOUT 110
-
-
- .globl __new_sem_wait
- .type __new_sem_wait,@function
- .align 16
-__new_sem_wait:
- pushl %ebx
- pushl %esi
-
- movl 12(%esp), %ebx
-
-3: movl (%ebx), %eax
-2: testl %eax, %eax
- je,pn 1f
-
- leal -1(%eax), %edx
- LOCK
- cmpxchgl %edx, (%ebx)
- jne,pn 2b
- xorl %eax, %eax
-
- popl %esi
- popl %ebx
- ret
-
-1: xorl %esi, %esi
- movl $SYS_futex, %eax
- movl %esi, %ecx
- movl %esi, %edx
- ENTER_KERNEL
-
- testl %eax, %eax
- je 3b
- cmpl $-EWOULDBLOCK, %eax
- je 3b
- negl %eax
-#ifdef PIC
- call __i686.get_pc_thunk.bx
-#else
- movl $4f, %ebx
-4:
-#endif
- addl $_GLOBAL_OFFSET_TABLE_, %ebx
-#if USE___THREAD
- movl %gs:0, %edx
- subl errno@gottpoff(%ebx), %edx
- movl %eax, (%edx)
-#else
- movl %eax, %edx
- call __errno_location@plt
- movl %edx, (%eax)
-#endif
- orl $-1, %eax
- popl %esi
- popl %ebx
- ret
- .size __new_sem_wait,.-__new_sem_wait
- .symver __new_sem_wait, sem_wait@@GLIBC_2.1
-#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
- .global __old_sem_wait
-__old_sem_wait = __new_sem_wait
- .symver __old_sem_wait, sem_wait@GLIBC_2.0
-#endif
-
-
- .globl __new_sem_trywait
- .type __new_sem_trywait,@function
- .align 16
-__new_sem_trywait:
- movl 4(%esp), %ecx
-
- movl (%ecx), %eax
-2: testl %eax, %eax
- jz 1f
-
- leal -1(%eax), %edx
- LOCK
- cmpxchgl %edx, (%ecx)
- jne,pn 2b
- xorl %eax, %eax
- ret
-
-1:
-#ifdef PIC
- call __i686.get_pc_thunk.cx
-#else
- movl $3f, %ecx
-3:
-#endif
- addl $_GLOBAL_OFFSET_TABLE_, %ecx
-#if USE___THREAD
- movl %gs:0, %edx
- subl errno@gottpoff(%ecx), %edx
- movl $EAGAIN, (%edx)
-#else
- call __errno_location@plt
- movl $EAGAIN, (%eax)
-#endif
- orl $-1, %eax
- ret
- .size __new_sem_trywait,.-__new_sem_trywait
- .symver __new_sem_trywait, sem_trywait@@GLIBC_2.1
-#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
- .global __old_sem_trywait
-__old_sem_trywait = __new_sem_trywait
- .symver __old_sem_trywait, sem_trywait@GLIBC_2.0
-#endif
-
-
- .globl sem_timedwait
- .type sem_timedwait,@function
- .align 16
-sem_timedwait:
- movl 4(%esp), %ecx
-
- movl (%ecx), %eax
-2: testl %eax, %eax
- je,pn 1f
-
- leal -1(%eax), %edx
- LOCK
- cmpxchgl %edx, (%ecx)
- jne,pn 2b
-
- xorl %eax, %eax
- ret
-
- /* Check whether the timeout value is valid. */
-1: pushl %esi
- pushl %edi
- pushl %ebx
- subl $8, %esp
-
- movl %esp, %esi
- movl 28(%esp), %edi
-
- /* Check for invalid nanosecond field. */
- cmpl $1000000000, 4(%edi)
- movl $EINVAL, %eax
- jae 6f
-
-7: xorl %ecx, %ecx
- movl %esp, %ebx
- movl %ecx, %edx
- movl $SYS_gettimeofday, %eax
- ENTER_KERNEL
-
- /* Compute relative timeout. */
- movl 4(%esp), %eax
- movl $1000, %edx
- mul %edx /* Milli seconds to nano seconds. */
- movl (%edi), %ecx
- movl 4(%edi), %edx
- subl (%esp), %ecx
- subl %eax, %edx
- jns 5f
- addl $1000000000, %edx
- decl %ecx
-5: testl %ecx, %ecx
- movl $ETIMEDOUT, %eax
- js 6f /* Time is already up. */
-
- movl %ecx, (%esp) /* Store relative timeout. */
- movl %edx, 4(%esp)
- movl 24(%esp), %ebx
- xorl %ecx, %ecx
- movl $SYS_futex, %eax
- xorl %edx, %edx
- ENTER_KERNEL
-
- testl %eax, %eax
- je,pt 9f
- cmpl $-EWOULDBLOCK, %eax
- jne 3f
-
-9: movl (%ebx), %eax
-8: testl %eax, %eax
- je 7b
-
- leal -1(%eax), %ecx
- LOCK
- cmpxchgl %ecx, (%ebx)
- jne,pn 8b
-
- addl $8, %esp
- xorl %eax, %eax
- popl %ebx
- popl %edi
- popl %esi
- ret
-
-3: negl %eax
-6:
-#ifdef PIC
- call __i686.get_pc_thunk.bx
-#else
- movl $4f, %ebx
-4:
-#endif
- addl $_GLOBAL_OFFSET_TABLE_, %ebx
-#if USE___THREAD
- movl %gs:0, %edx
- subl errno@gottpoff(%ebx), %edx
- movl %eax, (%edx)
-#else
- movl %eax, %edx
- call __errno_location@plt
- movl %edx, (%eax)
-#endif
-
- addl $8, %esp
- orl $-1, %eax
- popl %ebx
- popl %edi
- popl %esi
- ret
- .size sem_timedwait,.-sem_timedwait
-
-
- .globl __new_sem_post
- .type __new_sem_post,@function
- .align 16
-__new_sem_post:
- pushl %esi
- pushl %ebx
-
- movl 12(%esp), %ebx
- movl $1, %edx
- LOCK
- xaddl %edx, (%ebx)
-
- xorl %esi, %esi
- movl $SYS_futex, %eax
- movl $FUTEX_WAKE, %ecx
- incl %edx
- ENTER_KERNEL
-
- testl %eax, %eax
- js 1f
-
- xorl %eax, %eax
- popl %ebx
- popl %esi
- ret
-
-1:
-#ifdef PIC
- call __i686.get_pc_thunk.bx
-#else
- movl $4f, %ebx
-4:
-#endif
- addl $_GLOBAL_OFFSET_TABLE_, %ebx
-#if USE___THREAD
- movl %gs:0, %edx
- subl errno@gottpoff(%ebx), %edx
- movl $EINVAL, (%edx)
-#else
- call __errno_location@plt
- movl $EAGAIN, (%eax)
-#endif
-
- orl $-1, %eax
- popl %ebx
- popl %esi
- ret
- .size __new_sem_post,.-__new_sem_post
- .symver __new_sem_post, sem_post@@GLIBC_2.1
-#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
- .global __old_sem_post
-__old_sem_post = __new_sem_post
- .symver __old_sem_post, sem_post@GLIBC_2.0
-#endif
-
-
-#ifdef PIC
- .section .gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
- .globl __i686.get_pc_thunk.bx
- .hidden __i686.get_pc_thunk.bx
- .type __i686.get_pc_thunk.bx,@function
-__i686.get_pc_thunk.bx:
- movl (%esp), %ebx;
- ret
- .size __i686.get_pc_thunk.bx,.-__i686.get_pc_thunk.bx
-
-
- .section .gnu.linkonce.t.__i686.get_pc_thunk.cx,"ax",@progbits
- .globl __i686.get_pc_thunk.cx
- .hidden __i686.get_pc_thunk.cx
- .type __i686.get_pc_thunk.cx,@function
-__i686.get_pc_thunk.cx:
- movl (%esp), %ecx;
- ret
- .size __i686.get_pc_thunk.cx,.-__i686.get_pc_thunk.cx
-#endif