diff options
Diffstat (limited to 'nptl/sysdeps/unix')
60 files changed, 0 insertions, 6453 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/Implies b/nptl/sysdeps/unix/sysv/linux/i386/Implies deleted file mode 100644 index ccc7eaa8a4..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/Implies +++ /dev/null @@ -1 +0,0 @@ -unix/sysv/linux/x86 diff --git a/nptl/sysdeps/unix/sysv/linux/i386/createthread.c b/nptl/sysdeps/unix/sysv/linux/i386/createthread.c deleted file mode 100644 index c45661fe1e..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/createthread.c +++ /dev/null @@ -1,48 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -/* The "thread register" gets initialized from a segment descriptor. - Initialize such a descriptor first. */ -#define PREPARE_CREATE \ - union user_desc_init desc; \ - \ - /* Describe the thread-local storage segment. */ \ - \ - /* The 'entry_number' field. The first three bits of the segment \ - register value select the GDT, ignore them. We get the index \ - from the value of the %gs register in the current thread. */ \ - desc.vals[0] = TLS_GET_GS () >> 3; \ - /* The 'base_addr' field. Pointer to the TCB. */ \ - desc.vals[1] = (unsigned long int) pd; \ - /* The 'limit' field. We use 4GB which is 0xfffff pages. */ \ - desc.vals[2] = 0xfffff; \ - /* Collapsed value of the bitfield: \ - .seg_32bit = 1 \ - .contents = 0 \ - .read_exec_only = 0 \ - .limit_in_pages = 1 \ - .seg_not_present = 0 \ - .useable = 1 */ \ - desc.vals[3] = 0x51 - -/* Value passed to 'clone' for initialization of the thread register. */ -#define TLS_VALUE &desc.desc - - -/* Get the real implementation. */ -#include <nptl/sysdeps/pthread/createthread.c> diff --git a/nptl/sysdeps/unix/sysv/linux/i386/dl-sysdep.h b/nptl/sysdeps/unix/sysv/linux/i386/dl-sysdep.h deleted file mode 100644 index c314b4dadd..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/dl-sysdep.h +++ /dev/null @@ -1,46 +0,0 @@ -/* System-specific settings for dynamic linker code. i386 version. - Copyright (C) 2002-2014 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 - <http://www.gnu.org/licenses/>. */ - -#ifndef _LINUX_I386_DL_SYSDEP_H - -#include_next <dl-sysdep.h> - -/* Traditionally system calls have been made using int $0x80. A - second method was introduced which, if possible, will use the - sysenter/syscall instructions. To signal the presence and where to - find the code the kernel passes an AT_SYSINFO value in the - auxiliary vector to the application. */ -#define NEED_DL_SYSINFO 1 - -#ifndef __ASSEMBLER__ -extern void _dl_sysinfo_int80 (void) attribute_hidden; -# define DL_SYSINFO_DEFAULT (uintptr_t) _dl_sysinfo_int80 -# define DL_SYSINFO_IMPLEMENTATION \ - asm (".text\n\t" \ - ".type _dl_sysinfo_int80,@function\n\t" \ - ".hidden _dl_sysinfo_int80\n" \ - CFI_STARTPROC "\n" \ - "_dl_sysinfo_int80:\n\t" \ - "int $0x80;\n\t" \ - "ret;\n\t" \ - CFI_ENDPROC "\n" \ - ".size _dl_sysinfo_int80,.-_dl_sysinfo_int80\n\t" \ - ".previous"); -#endif - -#endif /* dl-sysdep.h */ diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S deleted file mode 100644 index 83e523174f..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include "lowlevellock.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S deleted file mode 100644 index 4ed46fc63e..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S +++ /dev/null @@ -1,466 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <pthread-errnos.h> -#include <kernel-features.h> -#include <lowlevellock.h> - -#include <stap-probe.h> - - .text - -#ifdef __ASSUME_PRIVATE_FUTEX -# define LOAD_PRIVATE_FUTEX_WAIT(reg) \ - movl $(FUTEX_WAIT | FUTEX_PRIVATE_FLAG), reg -# define LOAD_PRIVATE_FUTEX_WAKE(reg) \ - movl $(FUTEX_WAKE | FUTEX_PRIVATE_FLAG), reg -# define LOAD_FUTEX_WAIT(reg) \ - xorl $(FUTEX_WAIT | FUTEX_PRIVATE_FLAG), reg -# define LOAD_FUTEX_WAIT_ABS(reg) \ - xorl $(FUTEX_WAIT_BITSET | FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME), reg -# define LOAD_FUTEX_WAKE(reg) \ - xorl $(FUTEX_WAKE | FUTEX_PRIVATE_FLAG), reg -#else -# if FUTEX_WAIT == 0 -# define LOAD_PRIVATE_FUTEX_WAIT(reg) \ - movl %gs:PRIVATE_FUTEX, reg -# else -# define LOAD_PRIVATE_FUTEX_WAIT(reg) \ - movl %gs:PRIVATE_FUTEX, reg ; \ - orl $FUTEX_WAIT, reg -# endif -# define LOAD_PRIVATE_FUTEX_WAKE(reg) \ - movl %gs:PRIVATE_FUTEX, reg ; \ - orl $FUTEX_WAKE, reg -# if FUTEX_WAIT == 0 -# define LOAD_FUTEX_WAIT(reg) \ - xorl $FUTEX_PRIVATE_FLAG, reg ; \ - andl %gs:PRIVATE_FUTEX, reg -# else -# define LOAD_FUTEX_WAIT(reg) \ - xorl $FUTEX_PRIVATE_FLAG, reg ; \ - andl %gs:PRIVATE_FUTEX, reg ; \ - orl $FUTEX_WAIT, reg -# endif -# define LOAD_FUTEX_WAIT_ABS(reg) \ - xorl $FUTEX_PRIVATE_FLAG, reg ; \ - andl %gs:PRIVATE_FUTEX, reg ; \ - orl $FUTEX_WAIT_BITSET | FUTEX_CLOCK_REALTIME, reg -# define LOAD_FUTEX_WAKE(reg) \ - xorl $FUTEX_PRIVATE_FLAG, reg ; \ - andl %gs:PRIVATE_FUTEX, reg ; \ - orl $FUTEX_WAKE, reg -#endif - - .globl __lll_lock_wait_private - .type __lll_lock_wait_private,@function - .hidden __lll_lock_wait_private - .align 16 -__lll_lock_wait_private: - cfi_startproc - pushl %edx - cfi_adjust_cfa_offset(4) - pushl %ebx - cfi_adjust_cfa_offset(4) - pushl %esi - cfi_adjust_cfa_offset(4) - cfi_offset(%edx, -8) - cfi_offset(%ebx, -12) - cfi_offset(%esi, -16) - - movl $2, %edx - movl %ecx, %ebx - xorl %esi, %esi /* No timeout. */ - LOAD_PRIVATE_FUTEX_WAIT (%ecx) - - cmpl %edx, %eax /* NB: %edx == 2 */ - jne 2f - -1: LIBC_PROBE (lll_lock_wait_private, 1, %ebx) - movl $SYS_futex, %eax - ENTER_KERNEL - -2: movl %edx, %eax - xchgl %eax, (%ebx) /* NB: lock is implied */ - - testl %eax, %eax - jnz 1b - - popl %esi - cfi_adjust_cfa_offset(-4) - cfi_restore(%esi) - popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - popl %edx - cfi_adjust_cfa_offset(-4) - cfi_restore(%edx) - ret - cfi_endproc - .size __lll_lock_wait_private,.-__lll_lock_wait_private - -#ifdef NOT_IN_libc - .globl __lll_lock_wait - .type __lll_lock_wait,@function - .hidden __lll_lock_wait - .align 16 -__lll_lock_wait: - cfi_startproc - pushl %edx - cfi_adjust_cfa_offset(4) - pushl %ebx - cfi_adjust_cfa_offset(4) - pushl %esi - cfi_adjust_cfa_offset(4) - cfi_offset(%edx, -8) - cfi_offset(%ebx, -12) - cfi_offset(%esi, -16) - - movl %edx, %ebx - movl $2, %edx - xorl %esi, %esi /* No timeout. */ - LOAD_FUTEX_WAIT (%ecx) - - cmpl %edx, %eax /* NB: %edx == 2 */ - jne 2f - -1: movl $SYS_futex, %eax - ENTER_KERNEL - -2: movl %edx, %eax - xchgl %eax, (%ebx) /* NB: lock is implied */ - - testl %eax, %eax - jnz 1b - - popl %esi - cfi_adjust_cfa_offset(-4) - cfi_restore(%esi) - popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - popl %edx - cfi_adjust_cfa_offset(-4) - cfi_restore(%edx) - ret - cfi_endproc - .size __lll_lock_wait,.-__lll_lock_wait - - /* %ecx: futex - %esi: flags - %edx: timeout - %eax: futex value - */ - .globl __lll_timedlock_wait - .type __lll_timedlock_wait,@function - .hidden __lll_timedlock_wait - .align 16 -__lll_timedlock_wait: - cfi_startproc - pushl %ebp - cfi_adjust_cfa_offset(4) - cfi_rel_offset(%ebp, 0) - pushl %ebx - cfi_adjust_cfa_offset(4) - cfi_rel_offset(%ebx, 0) - -# ifndef __ASSUME_FUTEX_CLOCK_REALTIME -# ifdef PIC - LOAD_PIC_REG (bx) - cmpl $0, __have_futex_clock_realtime@GOTOFF(%ebx) -# else - cmpl $0, __have_futex_clock_realtime -# endif - je .Lreltmo -# endif - - cmpl $0, (%edx) - js 8f - - movl %ecx, %ebx - movl %esi, %ecx - movl %edx, %esi - movl $0xffffffff, %ebp - LOAD_FUTEX_WAIT_ABS (%ecx) - - movl $2, %edx - cmpl %edx, %eax - jne 2f - -1: movl $SYS_futex, %eax - movl $2, %edx - ENTER_KERNEL - -2: xchgl %edx, (%ebx) /* NB: lock is implied */ - - testl %edx, %edx - jz 3f - - cmpl $-ETIMEDOUT, %eax - je 4f - cmpl $-EINVAL, %eax - jne 1b -4: movl %eax, %edx - negl %edx - -3: movl %edx, %eax -7: popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - popl %ebp - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebp) - ret - -8: movl $ETIMEDOUT, %eax - jmp 7b - -# ifndef __ASSUME_FUTEX_CLOCK_REALTIME -.Lreltmo: - /* Check for a valid timeout value. */ - cmpl $1000000000, 4(%edx) - jae 3f - - pushl %esi - cfi_adjust_cfa_offset(4) - cfi_rel_offset(%esi, 0) - pushl %edi - cfi_adjust_cfa_offset(4) - cfi_rel_offset(%edi, 0) - - /* Stack frame for the timespec and timeval structs. */ - subl $8, %esp - cfi_adjust_cfa_offset(8) - - movl %ecx, %ebp - movl %edx, %edi - - movl $2, %edx - xchgl %edx, (%ebp) - - test %edx, %edx - je 6f - -1: - /* Get current time. */ - movl %esp, %ebx - xorl %ecx, %ecx - movl $__NR_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 4f - addl $1000000000, %edx - subl $1, %ecx -4: testl %ecx, %ecx - js 2f /* Time is already up. */ - - /* Store relative timeout. */ - movl %ecx, (%esp) - movl %edx, 4(%esp) - - /* Futex call. */ - movl %ebp, %ebx - movl $2, %edx - movl %esp, %esi - movl 16(%esp), %ecx - LOAD_FUTEX_WAIT (%ecx) - movl $SYS_futex, %eax - ENTER_KERNEL - - /* NB: %edx == 2 */ - xchgl %edx, (%ebp) - - testl %edx, %edx - je 6f - - cmpl $-ETIMEDOUT, %eax - jne 1b -2: movl $ETIMEDOUT, %edx - -6: addl $8, %esp - cfi_adjust_cfa_offset(-8) - popl %edi - cfi_adjust_cfa_offset(-4) - cfi_restore(%edi) - popl %esi - cfi_adjust_cfa_offset(-4) - cfi_restore(%esi) -7: popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - popl %ebp - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebp) - movl %edx, %eax - ret - -3: movl $EINVAL, %edx - jmp 7b -# endif - cfi_endproc - .size __lll_timedlock_wait,.-__lll_timedlock_wait -#endif - - .globl __lll_unlock_wake_private - .type __lll_unlock_wake_private,@function - .hidden __lll_unlock_wake_private - .align 16 -__lll_unlock_wake_private: - cfi_startproc - pushl %ebx - cfi_adjust_cfa_offset(4) - pushl %ecx - cfi_adjust_cfa_offset(4) - pushl %edx - cfi_adjust_cfa_offset(4) - cfi_offset(%ebx, -8) - cfi_offset(%ecx, -12) - cfi_offset(%edx, -16) - - movl %eax, %ebx - movl $0, (%eax) - LOAD_PRIVATE_FUTEX_WAKE (%ecx) - movl $1, %edx /* Wake one thread. */ - movl $SYS_futex, %eax - ENTER_KERNEL - - popl %edx - cfi_adjust_cfa_offset(-4) - cfi_restore(%edx) - popl %ecx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ecx) - popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - ret - cfi_endproc - .size __lll_unlock_wake_private,.-__lll_unlock_wake_private - -#ifdef NOT_IN_libc - .globl __lll_unlock_wake - .type __lll_unlock_wake,@function - .hidden __lll_unlock_wake - .align 16 -__lll_unlock_wake: - cfi_startproc - pushl %ebx - cfi_adjust_cfa_offset(4) - pushl %ecx - cfi_adjust_cfa_offset(4) - pushl %edx - cfi_adjust_cfa_offset(4) - cfi_offset(%ebx, -8) - cfi_offset(%ecx, -12) - cfi_offset(%edx, -16) - - movl %eax, %ebx - movl $0, (%eax) - LOAD_FUTEX_WAKE (%ecx) - movl $1, %edx /* Wake one thread. */ - movl $SYS_futex, %eax - ENTER_KERNEL - - popl %edx - cfi_adjust_cfa_offset(-4) - cfi_restore(%edx) - popl %ecx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ecx) - popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - ret - cfi_endproc - .size __lll_unlock_wake,.-__lll_unlock_wake - - .globl __lll_timedwait_tid - .type __lll_timedwait_tid,@function - .hidden __lll_timedwait_tid - .align 16 -__lll_timedwait_tid: - pushl %edi - pushl %esi - pushl %ebx - pushl %ebp - - movl %eax, %ebp - movl %edx, %edi - subl $8, %esp - - /* Get current time. */ -2: movl %esp, %ebx - xorl %ecx, %ecx - movl $__NR_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 - subl $1, %ecx -5: testl %ecx, %ecx - js 6f /* Time is already up. */ - - movl %ecx, (%esp) /* Store relative timeout. */ - movl %edx, 4(%esp) - - movl (%ebp), %edx - testl %edx, %edx - jz 4f - - movl %esp, %esi - /* XXX The kernel so far uses global futex for the wakeup at - all times. */ - xorl %ecx, %ecx /* movl $FUTEX_WAIT, %ecx */ - movl %ebp, %ebx - movl $SYS_futex, %eax - ENTER_KERNEL - - cmpl $0, (%ebx) - jne 1f -4: xorl %eax, %eax - -3: addl $8, %esp - popl %ebp - popl %ebx - popl %esi - popl %edi - ret - -1: cmpl $-ETIMEDOUT, %eax - jne 2b -6: movl $ETIMEDOUT, %eax - jmp 3b - .size __lll_timedwait_tid,.-__lll_timedwait_tid -#endif diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S deleted file mode 100644 index 1b2933dadc..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S +++ /dev/null @@ -1,232 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <pthread-errnos.h> -#include <lowlevellock.h> -#include <lowlevelrobustlock.h> -#include <kernel-features.h> - - .text - -#define FUTEX_WAITERS 0x80000000 -#define FUTEX_OWNER_DIED 0x40000000 - -#ifdef __ASSUME_PRIVATE_FUTEX -# define LOAD_FUTEX_WAIT(reg) \ - xorl $(FUTEX_WAIT | FUTEX_PRIVATE_FLAG), reg -#else -# if FUTEX_WAIT == 0 -# define LOAD_FUTEX_WAIT(reg) \ - xorl $FUTEX_PRIVATE_FLAG, reg ; \ - andl %gs:PRIVATE_FUTEX, reg -# else -# define LOAD_FUTEX_WAIT(reg) \ - xorl $FUTEX_PRIVATE_FLAG, reg ; \ - andl %gs:PRIVATE_FUTEX, reg ; \ - orl $FUTEX_WAIT, reg -# endif -#endif - - .globl __lll_robust_lock_wait - .type __lll_robust_lock_wait,@function - .hidden __lll_robust_lock_wait - .align 16 -__lll_robust_lock_wait: - cfi_startproc - pushl %edx - cfi_adjust_cfa_offset(4) - pushl %ebx - cfi_adjust_cfa_offset(4) - pushl %esi - cfi_adjust_cfa_offset(4) - cfi_offset(%edx, -8) - cfi_offset(%ebx, -12) - cfi_offset(%esi, -16) - - movl %edx, %ebx - xorl %esi, %esi /* No timeout. */ - LOAD_FUTEX_WAIT (%ecx) - -4: movl %eax, %edx - orl $FUTEX_WAITERS, %edx - - testl $FUTEX_OWNER_DIED, %eax - jnz 3f - - cmpl %edx, %eax /* NB: %edx == 2 */ - je 1f - - LOCK - cmpxchgl %edx, (%ebx) - jnz 2f - -1: movl $SYS_futex, %eax - ENTER_KERNEL - - movl (%ebx), %eax - -2: test %eax, %eax - jne 4b - - movl %gs:TID, %edx - orl $FUTEX_WAITERS, %edx - LOCK - cmpxchgl %edx, (%ebx) - jnz 4b - /* NB: %eax == 0 */ - -3: popl %esi - cfi_adjust_cfa_offset(-4) - cfi_restore(%esi) - popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - popl %edx - cfi_adjust_cfa_offset(-4) - cfi_restore(%edx) - ret - cfi_endproc - .size __lll_robust_lock_wait,.-__lll_robust_lock_wait - - - .globl __lll_robust_timedlock_wait - .type __lll_robust_timedlock_wait,@function - .hidden __lll_robust_timedlock_wait - .align 16 -__lll_robust_timedlock_wait: - cfi_startproc - /* Check for a valid timeout value. */ - cmpl $1000000000, 4(%edx) - jae 3f - - pushl %edi - cfi_adjust_cfa_offset(4) - pushl %esi - cfi_adjust_cfa_offset(4) - pushl %ebx - cfi_adjust_cfa_offset(4) - pushl %ebp - cfi_adjust_cfa_offset(4) - cfi_offset(%edi, -8) - cfi_offset(%esi, -12) - cfi_offset(%ebx, -16) - cfi_offset(%ebp, -20) - - /* Stack frame for the timespec and timeval structs. */ - subl $12, %esp - cfi_adjust_cfa_offset(12) - - movl %ecx, %ebp - movl %edx, %edi - -1: movl %eax, 8(%esp) - - /* Get current time. */ - movl %esp, %ebx - xorl %ecx, %ecx - movl $__NR_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 4f - addl $1000000000, %edx - subl $1, %ecx -4: testl %ecx, %ecx - js 8f /* Time is already up. */ - - /* Store relative timeout. */ - movl %ecx, (%esp) - movl %edx, 4(%esp) - - movl %ebp, %ebx - - movl 8(%esp), %edx - movl %edx, %eax - orl $FUTEX_WAITERS, %edx - - testl $FUTEX_OWNER_DIED, %eax - jnz 6f - - cmpl %eax, %edx - je 2f - - LOCK - cmpxchgl %edx, (%ebx) - movl $0, %ecx /* Must use mov to avoid changing cc. */ - jnz 5f - -2: - /* Futex call. */ - movl %esp, %esi - movl 20(%esp), %ecx - LOAD_FUTEX_WAIT (%ecx) - movl $SYS_futex, %eax - ENTER_KERNEL - movl %eax, %ecx - - movl (%ebx), %eax - -5: testl %eax, %eax - jne 7f - - movl %gs:TID, %edx - orl $FUTEX_WAITERS, %edx - LOCK - cmpxchgl %edx, (%ebx) - jnz 7f - -6: addl $12, %esp - cfi_adjust_cfa_offset(-12) - popl %ebp - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebp) - popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - popl %esi - cfi_adjust_cfa_offset(-4) - cfi_restore(%esi) - popl %edi - cfi_adjust_cfa_offset(-4) - cfi_restore(%edi) - ret - -3: movl $EINVAL, %eax - ret - - cfi_adjust_cfa_offset(28) - cfi_offset(%edi, -8) - cfi_offset(%esi, -12) - cfi_offset(%ebx, -16) - cfi_offset(%ebp, -20) - /* Check whether the time expired. */ -7: cmpl $-ETIMEDOUT, %ecx - jne 1b - -8: movl $ETIMEDOUT, %eax - jmp 6b - cfi_endproc - .size __lll_robust_timedlock_wait,.-__lll_robust_timedlock_wait diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S deleted file mode 100644 index aa755a1737..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S +++ /dev/null @@ -1,186 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <lowlevellock.h> -#include <lowlevelbarrier.h> - - .text - - .globl pthread_barrier_wait - .type pthread_barrier_wait,@function - .align 16 -pthread_barrier_wait: - cfi_startproc - pushl %ebx - cfi_adjust_cfa_offset(4) - cfi_offset(%ebx, -8) - - movl 8(%esp), %ebx - - /* Get the mutex. */ - movl $1, %edx - xorl %eax, %eax - LOCK - cmpxchgl %edx, MUTEX(%ebx) - jnz 1f - - /* One less waiter. If this was the last one needed wake - everybody. */ -2: subl $1, LEFT(%ebx) - je 3f - - /* There are more threads to come. */ - pushl %esi - cfi_adjust_cfa_offset(4) - cfi_offset(%esi, -12) - -#if CURR_EVENT == 0 - movl (%ebx), %edx -#else - movl CURR_EVENT(%ebx), %edx -#endif - - /* Release the mutex. */ - LOCK - subl $1, MUTEX(%ebx) - jne 6f - - /* Wait for the remaining threads. The call will return immediately - if the CURR_EVENT memory has meanwhile been changed. */ -7: -#if FUTEX_WAIT == 0 - movl PRIVATE(%ebx), %ecx -#else - movl $FUTEX_WAIT, %ecx - orl PRIVATE(%ebx), %ecx -#endif - xorl %esi, %esi -8: movl $SYS_futex, %eax - ENTER_KERNEL - - /* Don't return on spurious wakeups. The syscall does not change - any register except %eax so there is no need to reload any of - them. */ -#if CURR_EVENT == 0 - cmpl %edx, (%ebx) -#else - cmpl %edx, CURR_EVENT(%ebx) -#endif - je 8b - - /* Increment LEFT. If this brings the count back to the - initial count unlock the object. */ - movl $1, %edx - movl INIT_COUNT(%ebx), %ecx - LOCK - xaddl %edx, LEFT(%ebx) - subl $1, %ecx - cmpl %ecx, %edx - jne 10f - - /* Release the mutex. We cannot release the lock before - waking the waiting threads since otherwise a new thread might - arrive and gets waken up, too. */ - LOCK - subl $1, MUTEX(%ebx) - jne 9f - - /* Note: %esi is still zero. */ -10: movl %esi, %eax /* != PTHREAD_BARRIER_SERIAL_THREAD */ - - popl %esi - cfi_adjust_cfa_offset(-4) - cfi_restore(%esi) - popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - ret - - cfi_adjust_cfa_offset(4) - cfi_offset(%ebx, -8) - - /* The necessary number of threads arrived. */ -3: -#if CURR_EVENT == 0 - addl $1, (%ebx) -#else - addl $1, CURR_EVENT(%ebx) -#endif - - /* Wake up all waiters. The count is a signed number in the kernel - so 0x7fffffff is the highest value. */ - movl $0x7fffffff, %edx - movl $FUTEX_WAKE, %ecx - orl PRIVATE(%ebx), %ecx - movl $SYS_futex, %eax - ENTER_KERNEL - - /* Increment LEFT. If this brings the count back to the - initial count unlock the object. */ - movl $1, %edx - movl INIT_COUNT(%ebx), %ecx - LOCK - xaddl %edx, LEFT(%ebx) - subl $1, %ecx - cmpl %ecx, %edx - jne 5f - - /* Release the mutex. We cannot release the lock before - waking the waiting threads since otherwise a new thread might - arrive and gets waken up, too. */ - LOCK - subl $1, MUTEX(%ebx) - jne 4f - -5: orl $-1, %eax /* == PTHREAD_BARRIER_SERIAL_THREAD */ - - popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - ret - - cfi_adjust_cfa_offset(4) - cfi_offset(%ebx, -8) -1: movl PRIVATE(%ebx), %ecx - leal MUTEX(%ebx), %edx - xorl $LLL_SHARED, %ecx - call __lll_lock_wait - jmp 2b - -4: movl PRIVATE(%ebx), %ecx - leal MUTEX(%ebx), %eax - xorl $LLL_SHARED, %ecx - call __lll_unlock_wake - jmp 5b - - cfi_adjust_cfa_offset(4) - cfi_offset(%esi, -12) -6: movl PRIVATE(%ebx), %ecx - leal MUTEX(%ebx), %eax - xorl $LLL_SHARED, %ecx - call __lll_unlock_wake - jmp 7b - -9: movl PRIVATE(%ebx), %ecx - leal MUTEX(%ebx), %eax - xorl $LLL_SHARED, %ecx - call __lll_unlock_wake - jmp 10b - cfi_endproc - .size pthread_barrier_wait,.-pthread_barrier_wait diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S deleted file mode 100644 index 60702ce8fe..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S +++ /dev/null @@ -1,241 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <shlib-compat.h> -#include <lowlevellock.h> -#include <lowlevelcond.h> -#include <kernel-features.h> -#include <pthread-pi-defines.h> -#include <pthread-errnos.h> -#include <stap-probe.h> - - .text - - /* int pthread_cond_broadcast (pthread_cond_t *cond) */ - .globl __pthread_cond_broadcast - .type __pthread_cond_broadcast, @function - .align 16 -__pthread_cond_broadcast: - cfi_startproc - pushl %ebx - cfi_adjust_cfa_offset(4) - cfi_rel_offset(%ebx, 0) - pushl %esi - cfi_adjust_cfa_offset(4) - cfi_rel_offset(%esi, 0) - pushl %edi - cfi_adjust_cfa_offset(4) - cfi_rel_offset(%edi, 0) - pushl %ebp - cfi_adjust_cfa_offset(4) - cfi_rel_offset(%ebp, 0) - cfi_remember_state - - movl 20(%esp), %ebx - - LIBC_PROBE (cond_broadcast, 1, %edx) - - /* Get internal lock. */ - movl $1, %edx - xorl %eax, %eax - LOCK -#if cond_lock == 0 - cmpxchgl %edx, (%ebx) -#else - cmpxchgl %edx, cond_lock(%ebx) -#endif - jnz 1f - -2: addl $cond_futex, %ebx - movl total_seq+4-cond_futex(%ebx), %eax - movl total_seq-cond_futex(%ebx), %ebp - cmpl wakeup_seq+4-cond_futex(%ebx), %eax - ja 3f - jb 4f - cmpl wakeup_seq-cond_futex(%ebx), %ebp - jna 4f - - /* Cause all currently waiting threads to recognize they are - woken up. */ -3: movl %ebp, wakeup_seq-cond_futex(%ebx) - movl %eax, wakeup_seq-cond_futex+4(%ebx) - movl %ebp, woken_seq-cond_futex(%ebx) - movl %eax, woken_seq-cond_futex+4(%ebx) - addl %ebp, %ebp - addl $1, broadcast_seq-cond_futex(%ebx) - movl %ebp, (%ebx) - - /* Get the address of the mutex used. */ - movl dep_mutex-cond_futex(%ebx), %edi - - /* Unlock. */ - LOCK - subl $1, cond_lock-cond_futex(%ebx) - jne 7f - - /* Don't use requeue for pshared condvars. */ -8: cmpl $-1, %edi - je 9f - - /* Do not use requeue for pshared condvars. */ - testl $PS_BIT, MUTEX_KIND(%edi) - jne 9f - - /* Requeue to a non-robust PI mutex if the PI bit is set and - the robust bit is not set. */ - movl MUTEX_KIND(%edi), %eax - andl $(ROBUST_BIT|PI_BIT), %eax - cmpl $PI_BIT, %eax - je 81f - - /* Wake up all threads. */ -#ifdef __ASSUME_PRIVATE_FUTEX - movl $(FUTEX_CMP_REQUEUE|FUTEX_PRIVATE_FLAG), %ecx -#else - movl %gs:PRIVATE_FUTEX, %ecx - orl $FUTEX_CMP_REQUEUE, %ecx -#endif - movl $SYS_futex, %eax - movl $0x7fffffff, %esi - movl $1, %edx - /* Get the address of the futex involved. */ -# if MUTEX_FUTEX != 0 - addl $MUTEX_FUTEX, %edi -# endif -/* FIXME: Until Ingo fixes 4G/4G vDSO, 6 arg syscalls are broken for sysenter. - ENTER_KERNEL */ - int $0x80 - - /* For any kind of error, which mainly is EAGAIN, we try again - with WAKE. The general test also covers running on old - kernels. */ - cmpl $0xfffff001, %eax - jae 9f - -6: xorl %eax, %eax - popl %ebp - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebp) - popl %edi - cfi_adjust_cfa_offset(-4) - cfi_restore(%edi) - popl %esi - cfi_adjust_cfa_offset(-4) - cfi_restore(%esi) - popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - ret - - cfi_restore_state - -81: movl $(FUTEX_CMP_REQUEUE_PI|FUTEX_PRIVATE_FLAG), %ecx - movl $SYS_futex, %eax - movl $0x7fffffff, %esi - movl $1, %edx - /* Get the address of the futex involved. */ -# if MUTEX_FUTEX != 0 - addl $MUTEX_FUTEX, %edi -# endif - int $0x80 - - /* For any kind of error, which mainly is EAGAIN, we try again - with WAKE. The general test also covers running on old - kernels. */ - cmpl $0xfffff001, %eax - jb 6b - jmp 9f - - /* Initial locking failed. */ -1: -#if cond_lock == 0 - movl %ebx, %edx -#else - leal cond_lock(%ebx), %edx -#endif -#if (LLL_SHARED-LLL_PRIVATE) > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex(%ebx) - setne %cl - subl $1, %ecx - andl $(LLL_SHARED-LLL_PRIVATE), %ecx -#if LLL_PRIVATE != 0 - addl $LLL_PRIVATE, %ecx -#endif - call __lll_lock_wait - jmp 2b - - .align 16 - /* Unlock. */ -4: LOCK - subl $1, cond_lock-cond_futex(%ebx) - je 6b - - /* Unlock in loop requires wakeup. */ -5: leal cond_lock-cond_futex(%ebx), %eax -#if (LLL_SHARED-LLL_PRIVATE) > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex-cond_futex(%ebx) - setne %cl - subl $1, %ecx - andl $(LLL_SHARED-LLL_PRIVATE), %ecx -#if LLL_PRIVATE != 0 - addl $LLL_PRIVATE, %ecx -#endif - call __lll_unlock_wake - jmp 6b - - /* Unlock in loop requires wakeup. */ -7: leal cond_lock-cond_futex(%ebx), %eax -#if (LLL_SHARED-LLL_PRIVATE) > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex-cond_futex(%ebx) - setne %cl - subl $1, %ecx - andl $(LLL_SHARED-LLL_PRIVATE), %ecx -#if LLL_PRIVATE != 0 - addl $LLL_PRIVATE, %ecx -#endif - call __lll_unlock_wake - jmp 8b - -9: /* The futex requeue functionality is not available. */ - movl $0x7fffffff, %edx -#if FUTEX_PRIVATE_FLAG > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex-cond_futex(%ebx) - sete %cl - subl $1, %ecx -#ifdef __ASSUME_PRIVATE_FUTEX - andl $FUTEX_PRIVATE_FLAG, %ecx -#else - andl %gs:PRIVATE_FUTEX, %ecx -#endif - addl $FUTEX_WAKE, %ecx - movl $SYS_futex, %eax - ENTER_KERNEL - jmp 6b - cfi_endproc - .size __pthread_cond_broadcast, .-__pthread_cond_broadcast -versioned_symbol (libpthread, __pthread_cond_broadcast, pthread_cond_broadcast, - GLIBC_2_3_2) diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S deleted file mode 100644 index b086d92dae..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S +++ /dev/null @@ -1,216 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <shlib-compat.h> -#include <lowlevellock.h> -#include <lowlevelcond.h> -#include <kernel-features.h> -#include <pthread-pi-defines.h> -#include <pthread-errnos.h> -#include <stap-probe.h> - - .text - - /* int pthread_cond_signal (pthread_cond_t *cond) */ - .globl __pthread_cond_signal - .type __pthread_cond_signal, @function - .align 16 -__pthread_cond_signal: - - cfi_startproc - pushl %ebx - cfi_adjust_cfa_offset(4) - cfi_rel_offset(%ebx, 0) - pushl %edi - cfi_adjust_cfa_offset(4) - cfi_rel_offset(%edi, 0) - cfi_remember_state - - movl 12(%esp), %edi - - LIBC_PROBE (cond_signal, 1, %edi) - - /* Get internal lock. */ - movl $1, %edx - xorl %eax, %eax - LOCK -#if cond_lock == 0 - cmpxchgl %edx, (%edi) -#else - cmpxchgl %edx, cond_lock(%edi) -#endif - jnz 1f - -2: leal cond_futex(%edi), %ebx - movl total_seq+4(%edi), %eax - movl total_seq(%edi), %ecx - cmpl wakeup_seq+4(%edi), %eax -#if cond_lock != 0 - /* Must use leal to preserve the flags. */ - leal cond_lock(%edi), %edi -#endif - ja 3f - jb 4f - cmpl wakeup_seq-cond_futex(%ebx), %ecx - jbe 4f - - /* Bump the wakeup number. */ -3: addl $1, wakeup_seq-cond_futex(%ebx) - adcl $0, wakeup_seq-cond_futex+4(%ebx) - addl $1, (%ebx) - - /* Wake up one thread. */ - pushl %esi - cfi_adjust_cfa_offset(4) - cfi_rel_offset(%esi, 0) - pushl %ebp - cfi_adjust_cfa_offset(4) - cfi_rel_offset(%ebp, 0) - -#if FUTEX_PRIVATE_FLAG > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex-cond_futex(%ebx) - sete %cl - je 8f - - movl dep_mutex-cond_futex(%ebx), %edx - /* Requeue to a non-robust PI mutex if the PI bit is set and - the robust bit is not set. */ - movl MUTEX_KIND(%edx), %eax - andl $(ROBUST_BIT|PI_BIT), %eax - cmpl $PI_BIT, %eax - je 9f - -8: subl $1, %ecx -#ifdef __ASSUME_PRIVATE_FUTEX - andl $FUTEX_PRIVATE_FLAG, %ecx -#else - andl %gs:PRIVATE_FUTEX, %ecx -#endif - addl $FUTEX_WAKE_OP, %ecx - movl $SYS_futex, %eax - movl $1, %edx - movl $1, %esi - movl $FUTEX_OP_CLEAR_WAKE_IF_GT_ONE, %ebp - /* FIXME: Until Ingo fixes 4G/4G vDSO, 6 arg syscalls are broken for - sysenter. - ENTER_KERNEL */ - int $0x80 - popl %ebp - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebp) - popl %esi - cfi_adjust_cfa_offset(-4) - cfi_restore(%esi) - - /* For any kind of error, we try again with WAKE. - The general test also covers running on old kernels. */ - cmpl $-4095, %eax - jae 7f - -6: xorl %eax, %eax - popl %edi - cfi_adjust_cfa_offset(-4) - cfi_restore(%edi) - popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - ret - - cfi_restore_state - -9: movl $(FUTEX_CMP_REQUEUE_PI|FUTEX_PRIVATE_FLAG), %ecx - movl $SYS_futex, %eax - movl $1, %edx - xorl %esi, %esi - movl dep_mutex-cond_futex(%ebx), %edi - movl (%ebx), %ebp - /* FIXME: Until Ingo fixes 4G/4G vDSO, 6 arg syscalls are broken for - sysenter. - ENTER_KERNEL */ - int $0x80 - popl %ebp - popl %esi - - leal -cond_futex(%ebx), %edi - - /* For any kind of error, we try again with WAKE. - The general test also covers running on old kernels. */ - cmpl $-4095, %eax - jb 4f - -7: -#ifdef __ASSUME_PRIVATE_FUTEX - andl $FUTEX_PRIVATE_FLAG, %ecx -#else - andl %gs:PRIVATE_FUTEX, %ecx -#endif - orl $FUTEX_WAKE, %ecx - - movl $SYS_futex, %eax - /* %edx should be 1 already from $FUTEX_WAKE_OP syscall. - movl $1, %edx */ - ENTER_KERNEL - - /* Unlock. Note that at this point %edi always points to - cond_lock. */ -4: LOCK - subl $1, (%edi) - je 6b - - /* Unlock in loop requires wakeup. */ -5: movl %edi, %eax -#if (LLL_SHARED-LLL_PRIVATE) > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex-cond_futex(%ebx) - setne %cl - subl $1, %ecx - andl $(LLL_SHARED-LLL_PRIVATE), %ecx -#if LLL_PRIVATE != 0 - addl $LLL_PRIVATE, %ecx -#endif - call __lll_unlock_wake - jmp 6b - - /* Initial locking failed. */ -1: -#if cond_lock == 0 - movl %edi, %edx -#else - leal cond_lock(%edi), %edx -#endif -#if (LLL_SHARED-LLL_PRIVATE) > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex(%edi) - setne %cl - subl $1, %ecx - andl $(LLL_SHARED-LLL_PRIVATE), %ecx -#if LLL_PRIVATE != 0 - addl $LLL_PRIVATE, %ecx -#endif - call __lll_lock_wait - jmp 2b - - cfi_endproc - .size __pthread_cond_signal, .-__pthread_cond_signal -versioned_symbol (libpthread, __pthread_cond_signal, pthread_cond_signal, - GLIBC_2_3_2) diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S deleted file mode 100644 index 91888d774e..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S +++ /dev/null @@ -1,973 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <shlib-compat.h> -#include <lowlevellock.h> -#include <lowlevelcond.h> -#include <pthread-errnos.h> -#include <pthread-pi-defines.h> -#include <kernel-features.h> -#include <stap-probe.h> - - .text - -/* int pthread_cond_timedwait (pthread_cond_t *cond, pthread_mutex_t *mutex, - const struct timespec *abstime) */ - .globl __pthread_cond_timedwait - .type __pthread_cond_timedwait, @function - .align 16 -__pthread_cond_timedwait: -.LSTARTCODE: - cfi_startproc -#ifdef SHARED - cfi_personality(DW_EH_PE_pcrel | DW_EH_PE_sdata4 | DW_EH_PE_indirect, - DW.ref.__gcc_personality_v0) - cfi_lsda(DW_EH_PE_pcrel | DW_EH_PE_sdata4, .LexceptSTART) -#else - cfi_personality(DW_EH_PE_udata4, __gcc_personality_v0) - cfi_lsda(DW_EH_PE_udata4, .LexceptSTART) -#endif - - pushl %ebp - cfi_adjust_cfa_offset(4) - cfi_rel_offset(%ebp, 0) - pushl %edi - cfi_adjust_cfa_offset(4) - cfi_rel_offset(%edi, 0) - pushl %esi - cfi_adjust_cfa_offset(4) - cfi_rel_offset(%esi, 0) - pushl %ebx - cfi_adjust_cfa_offset(4) - cfi_rel_offset(%ebx, 0) - - movl 20(%esp), %ebx - movl 28(%esp), %ebp - - LIBC_PROBE (cond_timedwait, 3, %ebx, 24(%esp), %ebp) - - cmpl $1000000000, 4(%ebp) - movl $EINVAL, %eax - jae 18f - - /* Stack frame: - - esp + 32 - +--------------------------+ - esp + 24 | timeout value | - +--------------------------+ - esp + 20 | futex pointer | - +--------------------------+ - esp + 16 | pi-requeued flag | - +--------------------------+ - esp + 12 | old broadcast_seq value | - +--------------------------+ - esp + 4 | old wake_seq value | - +--------------------------+ - esp + 0 | old cancellation mode | - +--------------------------+ - */ - -#ifndef __ASSUME_FUTEX_CLOCK_REALTIME -# ifdef PIC - LOAD_PIC_REG (cx) - cmpl $0, __have_futex_clock_realtime@GOTOFF(%ecx) -# else - cmpl $0, __have_futex_clock_realtime -# endif - je .Lreltmo -#endif - - /* Get internal lock. */ - movl $1, %edx - xorl %eax, %eax - LOCK -#if cond_lock == 0 - cmpxchgl %edx, (%ebx) -#else - cmpxchgl %edx, cond_lock(%ebx) -#endif - jnz 1f - - /* Store the reference to the mutex. If there is already a - different value in there this is a bad user bug. */ -2: cmpl $-1, dep_mutex(%ebx) - movl 24(%esp), %eax - je 17f - movl %eax, dep_mutex(%ebx) - - /* Unlock the mutex. */ -17: xorl %edx, %edx - call __pthread_mutex_unlock_usercnt - - testl %eax, %eax - jne 16f - - addl $1, total_seq(%ebx) - adcl $0, total_seq+4(%ebx) - addl $1, cond_futex(%ebx) - addl $(1 << nwaiters_shift), cond_nwaiters(%ebx) - -#ifdef __ASSUME_FUTEX_CLOCK_REALTIME -# define FRAME_SIZE 24 -#else -# define FRAME_SIZE 32 -#endif - subl $FRAME_SIZE, %esp - cfi_adjust_cfa_offset(FRAME_SIZE) - cfi_remember_state - - /* Get and store current wakeup_seq value. */ - movl wakeup_seq(%ebx), %edi - movl wakeup_seq+4(%ebx), %edx - movl broadcast_seq(%ebx), %eax - movl %edi, 4(%esp) - movl %edx, 8(%esp) - movl %eax, 12(%esp) - - /* Reset the pi-requeued flag. */ - movl $0, 16(%esp) - - cmpl $0, (%ebp) - movl $-ETIMEDOUT, %esi - js 6f - -8: movl cond_futex(%ebx), %edi - movl %edi, 20(%esp) - - /* Unlock. */ - LOCK -#if cond_lock == 0 - subl $1, (%ebx) -#else - subl $1, cond_lock(%ebx) -#endif - jne 3f - -.LcleanupSTART: -4: call __pthread_enable_asynccancel - movl %eax, (%esp) - - leal (%ebp), %esi -#if FUTEX_PRIVATE_FLAG > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex(%ebx) - sete %cl - je 40f - - movl dep_mutex(%ebx), %edi - /* Requeue to a non-robust PI mutex if the PI bit is set and - the robust bit is not set. */ - movl MUTEX_KIND(%edi), %eax - andl $(ROBUST_BIT|PI_BIT), %eax - cmpl $PI_BIT, %eax - jne 40f - - movl $(FUTEX_WAIT_REQUEUE_PI|FUTEX_PRIVATE_FLAG), %ecx - /* The following only works like this because we only support - two clocks, represented using a single bit. */ - testl $1, cond_nwaiters(%ebx) - /* XXX Need to implement using sete instead of a jump. */ - jne 42f - orl $FUTEX_CLOCK_REALTIME, %ecx - -42: movl 20(%esp), %edx - addl $cond_futex, %ebx -.Ladd_cond_futex_pi: - movl $SYS_futex, %eax - ENTER_KERNEL - subl $cond_futex, %ebx -.Lsub_cond_futex_pi: - movl %eax, %esi - /* Set the pi-requeued flag only if the kernel has returned 0. The - kernel does not hold the mutex on ETIMEDOUT or any other error. */ - cmpl $0, %eax - sete 16(%esp) - je 41f - - /* When a futex syscall with FUTEX_WAIT_REQUEUE_PI returns - successfully, it has already locked the mutex for us and the - pi_flag (16(%esp)) is set to denote that fact. However, if another - thread changed the futex value before we entered the wait, the - syscall may return an EAGAIN and the mutex is not locked. We go - ahead with a success anyway since later we look at the pi_flag to - decide if we got the mutex or not. The sequence numbers then make - sure that only one of the threads actually wake up. We retry using - normal FUTEX_WAIT only if the kernel returned ENOSYS, since normal - and PI futexes don't mix. - - Note that we don't check for EAGAIN specifically; we assume that the - only other error the futex function could return is EAGAIN (barring - the ETIMEOUT of course, for the timeout case in futex) since - anything else would mean an error in our function. It is too - expensive to do that check for every call (which is quite common in - case of a large number of threads), so it has been skipped. */ - cmpl $-ENOSYS, %eax - jne 41f - xorl %ecx, %ecx - -40: subl $1, %ecx - movl $0, 16(%esp) -#ifdef __ASSUME_PRIVATE_FUTEX - andl $FUTEX_PRIVATE_FLAG, %ecx -#else - andl %gs:PRIVATE_FUTEX, %ecx -#endif - addl $FUTEX_WAIT_BITSET, %ecx - /* The following only works like this because we only support - two clocks, represented using a single bit. */ - testl $1, cond_nwaiters(%ebx) - jne 30f - orl $FUTEX_CLOCK_REALTIME, %ecx -30: - movl 20(%esp), %edx - movl $0xffffffff, %ebp - addl $cond_futex, %ebx -.Ladd_cond_futex: - movl $SYS_futex, %eax - ENTER_KERNEL - subl $cond_futex, %ebx -.Lsub_cond_futex: - movl 28+FRAME_SIZE(%esp), %ebp - movl %eax, %esi - -41: movl (%esp), %eax - call __pthread_disable_asynccancel -.LcleanupEND: - - /* Lock. */ - movl $1, %edx - xorl %eax, %eax - LOCK -#if cond_lock == 0 - cmpxchgl %edx, (%ebx) -#else - cmpxchgl %edx, cond_lock(%ebx) -#endif - jnz 5f - -6: movl broadcast_seq(%ebx), %eax - cmpl 12(%esp), %eax - jne 23f - - movl woken_seq(%ebx), %eax - movl woken_seq+4(%ebx), %ecx - - movl wakeup_seq(%ebx), %edi - movl wakeup_seq+4(%ebx), %edx - - cmpl 8(%esp), %edx - jne 7f - cmpl 4(%esp), %edi - je 15f - -7: cmpl %ecx, %edx - jne 9f - cmp %eax, %edi - jne 9f - -15: cmpl $-ETIMEDOUT, %esi - je 28f - - /* We need to go back to futex_wait. If we're using requeue_pi, then - release the mutex we had acquired and go back. */ - movl 16(%esp), %edx - test %edx, %edx - jz 8b - - /* Adjust the mutex values first and then unlock it. The unlock - should always succeed or else the kernel did not lock the mutex - correctly. */ - movl dep_mutex(%ebx), %eax - call __pthread_mutex_cond_lock_adjust - xorl %edx, %edx - call __pthread_mutex_unlock_usercnt - jmp 8b - -28: addl $1, wakeup_seq(%ebx) - adcl $0, wakeup_seq+4(%ebx) - addl $1, cond_futex(%ebx) - movl $ETIMEDOUT, %esi - jmp 14f - -23: xorl %esi, %esi - jmp 24f - -9: xorl %esi, %esi -14: addl $1, woken_seq(%ebx) - adcl $0, woken_seq+4(%ebx) - -24: subl $(1 << nwaiters_shift), cond_nwaiters(%ebx) - - /* Wake up a thread which wants to destroy the condvar object. */ - movl total_seq(%ebx), %eax - andl total_seq+4(%ebx), %eax - cmpl $0xffffffff, %eax - jne 25f - movl cond_nwaiters(%ebx), %eax - andl $~((1 << nwaiters_shift) - 1), %eax - jne 25f - - addl $cond_nwaiters, %ebx - movl $SYS_futex, %eax -#if FUTEX_PRIVATE_FLAG > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex-cond_nwaiters(%ebx) - sete %cl - subl $1, %ecx -#ifdef __ASSUME_PRIVATE_FUTEX - andl $FUTEX_PRIVATE_FLAG, %ecx -#else - andl %gs:PRIVATE_FUTEX, %ecx -#endif - addl $FUTEX_WAKE, %ecx - movl $1, %edx - ENTER_KERNEL - subl $cond_nwaiters, %ebx - -25: LOCK -#if cond_lock == 0 - subl $1, (%ebx) -#else - subl $1, cond_lock(%ebx) -#endif - jne 10f - -11: movl 24+FRAME_SIZE(%esp), %eax - /* With requeue_pi, the mutex lock is held in the kernel. */ - movl 16(%esp), %ecx - testl %ecx, %ecx - jnz 27f - - call __pthread_mutex_cond_lock -26: addl $FRAME_SIZE, %esp - cfi_adjust_cfa_offset(-FRAME_SIZE) - - /* We return the result of the mutex_lock operation if it failed. */ - testl %eax, %eax -#ifdef HAVE_CMOV - cmovel %esi, %eax -#else - jne 22f - movl %esi, %eax -22: -#endif - -18: popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - popl %esi - cfi_adjust_cfa_offset(-4) - cfi_restore(%esi) - popl %edi - cfi_adjust_cfa_offset(-4) - cfi_restore(%edi) - popl %ebp - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebp) - - ret - - cfi_restore_state - -27: call __pthread_mutex_cond_lock_adjust - xorl %eax, %eax - jmp 26b - - cfi_adjust_cfa_offset(-FRAME_SIZE); - /* Initial locking failed. */ -1: -#if cond_lock == 0 - movl %ebx, %edx -#else - leal cond_lock(%ebx), %edx -#endif -#if (LLL_SHARED-LLL_PRIVATE) > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex(%ebx) - setne %cl - subl $1, %ecx - andl $(LLL_SHARED-LLL_PRIVATE), %ecx -#if LLL_PRIVATE != 0 - addl $LLL_PRIVATE, %ecx -#endif - call __lll_lock_wait - jmp 2b - - /* The initial unlocking of the mutex failed. */ -16: - LOCK -#if cond_lock == 0 - subl $1, (%ebx) -#else - subl $1, cond_lock(%ebx) -#endif - jne 18b - - movl %eax, %esi -#if cond_lock == 0 - movl %ebx, %eax -#else - leal cond_lock(%ebx), %eax -#endif -#if (LLL_SHARED-LLL_PRIVATE) > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex(%ebx) - setne %cl - subl $1, %ecx - andl $(LLL_SHARED-LLL_PRIVATE), %ecx -#if LLL_PRIVATE != 0 - addl $LLL_PRIVATE, %ecx -#endif - call __lll_unlock_wake - - movl %esi, %eax - jmp 18b - - cfi_adjust_cfa_offset(FRAME_SIZE) - - /* Unlock in loop requires wakeup. */ -3: -#if cond_lock == 0 - movl %ebx, %eax -#else - leal cond_lock(%ebx), %eax -#endif -#if (LLL_SHARED-LLL_PRIVATE) > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex(%ebx) - setne %cl - subl $1, %ecx - andl $(LLL_SHARED-LLL_PRIVATE), %ecx -#if LLL_PRIVATE != 0 - addl $LLL_PRIVATE, %ecx -#endif - call __lll_unlock_wake - jmp 4b - - /* Locking in loop failed. */ -5: -#if cond_lock == 0 - movl %ebx, %edx -#else - leal cond_lock(%ebx), %edx -#endif -#if (LLL_SHARED-LLL_PRIVATE) > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex(%ebx) - setne %cl - subl $1, %ecx - andl $(LLL_SHARED-LLL_PRIVATE), %ecx -#if LLL_PRIVATE != 0 - addl $LLL_PRIVATE, %ecx -#endif - call __lll_lock_wait - jmp 6b - - /* Unlock after loop requires wakeup. */ -10: -#if cond_lock == 0 - movl %ebx, %eax -#else - leal cond_lock(%ebx), %eax -#endif -#if (LLL_SHARED-LLL_PRIVATE) > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex(%ebx) - setne %cl - subl $1, %ecx - andl $(LLL_SHARED-LLL_PRIVATE), %ecx -#if LLL_PRIVATE != 0 - addl $LLL_PRIVATE, %ecx -#endif - call __lll_unlock_wake - jmp 11b - -#ifndef __ASSUME_FUTEX_CLOCK_REALTIME - cfi_adjust_cfa_offset(-FRAME_SIZE) -.Lreltmo: - /* Get internal lock. */ - movl $1, %edx - xorl %eax, %eax - LOCK -# if cond_lock == 0 - cmpxchgl %edx, (%ebx) -# else - cmpxchgl %edx, cond_lock(%ebx) -# endif - jnz 101f - - /* Store the reference to the mutex. If there is already a - different value in there this is a bad user bug. */ -102: cmpl $-1, dep_mutex(%ebx) - movl 24(%esp), %eax - je 117f - movl %eax, dep_mutex(%ebx) - - /* Unlock the mutex. */ -117: xorl %edx, %edx - call __pthread_mutex_unlock_usercnt - - testl %eax, %eax - jne 16b - - addl $1, total_seq(%ebx) - adcl $0, total_seq+4(%ebx) - addl $1, cond_futex(%ebx) - addl $(1 << nwaiters_shift), cond_nwaiters(%ebx) - - subl $FRAME_SIZE, %esp - cfi_adjust_cfa_offset(FRAME_SIZE) - - /* Get and store current wakeup_seq value. */ - movl wakeup_seq(%ebx), %edi - movl wakeup_seq+4(%ebx), %edx - movl broadcast_seq(%ebx), %eax - movl %edi, 4(%esp) - movl %edx, 8(%esp) - movl %eax, 12(%esp) - - /* Reset the pi-requeued flag. */ - movl $0, 16(%esp) - - /* Get the current time. */ -108: movl %ebx, %edx -# ifdef __NR_clock_gettime - /* Get the clock number. */ - movl cond_nwaiters(%ebx), %ebx - andl $((1 << nwaiters_shift) - 1), %ebx - /* Only clocks 0 and 1 are allowed so far. Both are handled in the - kernel. */ - leal 24(%esp), %ecx - movl $__NR_clock_gettime, %eax - ENTER_KERNEL - movl %edx, %ebx - - /* Compute relative timeout. */ - movl (%ebp), %ecx - movl 4(%ebp), %edx - subl 24(%esp), %ecx - subl 28(%esp), %edx -# else - /* Get the current time. */ - leal 24(%esp), %ebx - xorl %ecx, %ecx - movl $__NR_gettimeofday, %eax - ENTER_KERNEL - movl %edx, %ebx - - /* Compute relative timeout. */ - movl 28(%esp), %eax - movl $1000, %edx - mul %edx /* Milli seconds to nano seconds. */ - movl (%ebp), %ecx - movl 4(%ebp), %edx - subl 24(%esp), %ecx - subl %eax, %edx -# endif - jns 112f - addl $1000000000, %edx - subl $1, %ecx -112: testl %ecx, %ecx - movl $-ETIMEDOUT, %esi - js 106f - - /* Store relative timeout. */ -121: movl %ecx, 24(%esp) - movl %edx, 28(%esp) - - movl cond_futex(%ebx), %edi - movl %edi, 20(%esp) - - /* Unlock. */ - LOCK -# if cond_lock == 0 - subl $1, (%ebx) -# else - subl $1, cond_lock(%ebx) -# endif - jne 103f - -.LcleanupSTART2: -104: call __pthread_enable_asynccancel - movl %eax, (%esp) - - leal 24(%esp), %esi -# if FUTEX_PRIVATE_FLAG > 255 - xorl %ecx, %ecx -# endif - cmpl $-1, dep_mutex(%ebx) - sete %cl - subl $1, %ecx -# ifdef __ASSUME_PRIVATE_FUTEX - andl $FUTEX_PRIVATE_FLAG, %ecx -# else - andl %gs:PRIVATE_FUTEX, %ecx -# endif -# if FUTEX_WAIT != 0 - addl $FUTEX_WAIT, %ecx -# endif - movl 20(%esp), %edx - addl $cond_futex, %ebx -.Ladd_cond_futex2: - movl $SYS_futex, %eax - ENTER_KERNEL - subl $cond_futex, %ebx -.Lsub_cond_futex2: - movl %eax, %esi - -141: movl (%esp), %eax - call __pthread_disable_asynccancel -.LcleanupEND2: - - - /* Lock. */ - movl $1, %edx - xorl %eax, %eax - LOCK -# if cond_lock == 0 - cmpxchgl %edx, (%ebx) -# else - cmpxchgl %edx, cond_lock(%ebx) -# endif - jnz 105f - -106: movl broadcast_seq(%ebx), %eax - cmpl 12(%esp), %eax - jne 23b - - movl woken_seq(%ebx), %eax - movl woken_seq+4(%ebx), %ecx - - movl wakeup_seq(%ebx), %edi - movl wakeup_seq+4(%ebx), %edx - - cmpl 8(%esp), %edx - jne 107f - cmpl 4(%esp), %edi - je 115f - -107: cmpl %ecx, %edx - jne 9b - cmp %eax, %edi - jne 9b - -115: cmpl $-ETIMEDOUT, %esi - je 28b - - jmp 8b - - cfi_adjust_cfa_offset(-FRAME_SIZE) - /* Initial locking failed. */ -101: -# if cond_lock == 0 - movl %ebx, %edx -# else - leal cond_lock(%ebx), %edx -# endif -# if (LLL_SHARED-LLL_PRIVATE) > 255 - xorl %ecx, %ecx -# endif - cmpl $-1, dep_mutex(%ebx) - setne %cl - subl $1, %ecx - andl $(LLL_SHARED-LLL_PRIVATE), %ecx -# if LLL_PRIVATE != 0 - addl $LLL_PRIVATE, %ecx -# endif - call __lll_lock_wait - jmp 102b - - cfi_adjust_cfa_offset(FRAME_SIZE) - - /* Unlock in loop requires wakeup. */ -103: -# if cond_lock == 0 - movl %ebx, %eax -# else - leal cond_lock(%ebx), %eax -# endif -# if (LLL_SHARED-LLL_PRIVATE) > 255 - xorl %ecx, %ecx -# endif - cmpl $-1, dep_mutex(%ebx) - setne %cl - subl $1, %ecx - andl $(LLL_SHARED-LLL_PRIVATE), %ecx -# if LLL_PRIVATE != 0 - addl $LLL_PRIVATE, %ecx -# endif - call __lll_unlock_wake - jmp 104b - - /* Locking in loop failed. */ -105: -# if cond_lock == 0 - movl %ebx, %edx -# else - leal cond_lock(%ebx), %edx -# endif -# if (LLL_SHARED-LLL_PRIVATE) > 255 - xorl %ecx, %ecx -# endif - cmpl $-1, dep_mutex(%ebx) - setne %cl - subl $1, %ecx - andl $(LLL_SHARED-LLL_PRIVATE), %ecx -# if LLL_PRIVATE != 0 - addl $LLL_PRIVATE, %ecx -# endif - call __lll_lock_wait - jmp 106b -#endif - - .size __pthread_cond_timedwait, .-__pthread_cond_timedwait -versioned_symbol (libpthread, __pthread_cond_timedwait, pthread_cond_timedwait, - GLIBC_2_3_2) - - - .type __condvar_tw_cleanup2, @function -__condvar_tw_cleanup2: - subl $cond_futex, %ebx - .size __condvar_tw_cleanup2, .-__condvar_tw_cleanup2 - .type __condvar_tw_cleanup, @function -__condvar_tw_cleanup: - movl %eax, %esi - - /* Get internal lock. */ - movl $1, %edx - xorl %eax, %eax - LOCK -#if cond_lock == 0 - cmpxchgl %edx, (%ebx) -#else - cmpxchgl %edx, cond_lock(%ebx) -#endif - jz 1f - -#if cond_lock == 0 - movl %ebx, %edx -#else - leal cond_lock(%ebx), %edx -#endif -#if (LLL_SHARED-LLL_PRIVATE) > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex(%ebx) - setne %cl - subl $1, %ecx - andl $(LLL_SHARED-LLL_PRIVATE), %ecx -#if LLL_PRIVATE != 0 - addl $LLL_PRIVATE, %ecx -#endif - call __lll_lock_wait - -1: movl broadcast_seq(%ebx), %eax - cmpl 12(%esp), %eax - jne 3f - - /* We increment the wakeup_seq counter only if it is lower than - total_seq. If this is not the case the thread was woken and - then canceled. In this case we ignore the signal. */ - movl total_seq(%ebx), %eax - movl total_seq+4(%ebx), %edi - cmpl wakeup_seq+4(%ebx), %edi - jb 6f - ja 7f - cmpl wakeup_seq(%ebx), %eax - jbe 7f - -6: addl $1, wakeup_seq(%ebx) - adcl $0, wakeup_seq+4(%ebx) - addl $1, cond_futex(%ebx) - -7: addl $1, woken_seq(%ebx) - adcl $0, woken_seq+4(%ebx) - -3: subl $(1 << nwaiters_shift), cond_nwaiters(%ebx) - - /* Wake up a thread which wants to destroy the condvar object. */ - xorl %edi, %edi - movl total_seq(%ebx), %eax - andl total_seq+4(%ebx), %eax - cmpl $0xffffffff, %eax - jne 4f - movl cond_nwaiters(%ebx), %eax - andl $~((1 << nwaiters_shift) - 1), %eax - jne 4f - - addl $cond_nwaiters, %ebx - movl $SYS_futex, %eax -#if FUTEX_PRIVATE_FLAG > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex-cond_nwaiters(%ebx) - sete %cl - subl $1, %ecx -#ifdef __ASSUME_PRIVATE_FUTEX - andl $FUTEX_PRIVATE_FLAG, %ecx -#else - andl %gs:PRIVATE_FUTEX, %ecx -#endif - addl $FUTEX_WAKE, %ecx - movl $1, %edx - ENTER_KERNEL - subl $cond_nwaiters, %ebx - movl $1, %edi - -4: LOCK -#if cond_lock == 0 - subl $1, (%ebx) -#else - subl $1, cond_lock(%ebx) -#endif - je 2f - -#if cond_lock == 0 - movl %ebx, %eax -#else - leal cond_lock(%ebx), %eax -#endif -#if (LLL_SHARED-LLL_PRIVATE) > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex(%ebx) - setne %cl - subl $1, %ecx - andl $(LLL_SHARED-LLL_PRIVATE), %ecx -#if LLL_PRIVATE != 0 - addl $LLL_PRIVATE, %ecx -#endif - call __lll_unlock_wake - - /* Wake up all waiters to make sure no signal gets lost. */ -2: testl %edi, %edi - jnz 5f - addl $cond_futex, %ebx -#if FUTEX_PRIVATE_FLAG > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex-cond_futex(%ebx) - sete %cl - subl $1, %ecx -#ifdef __ASSUME_PRIVATE_FUTEX - andl $FUTEX_PRIVATE_FLAG, %ecx -#else - andl %gs:PRIVATE_FUTEX, %ecx -#endif - addl $FUTEX_WAKE, %ecx - movl $SYS_futex, %eax - movl $0x7fffffff, %edx - ENTER_KERNEL - - /* Lock the mutex only if we don't own it already. This only happens - in case of PI mutexes, if we got cancelled after a successful - return of the futex syscall and before disabling async - cancellation. */ -5: movl 24+FRAME_SIZE(%esp), %eax - movl MUTEX_KIND(%eax), %ebx - andl $(ROBUST_BIT|PI_BIT), %ebx - cmpl $PI_BIT, %ebx - jne 8f - - movl (%eax), %ebx - andl $TID_MASK, %ebx - cmpl %ebx, %gs:TID - jne 8f - /* We managed to get the lock. Fix it up before returning. */ - call __pthread_mutex_cond_lock_adjust - jmp 9f - -8: call __pthread_mutex_cond_lock - -9: movl %esi, (%esp) -.LcallUR: - call _Unwind_Resume - hlt -.LENDCODE: - cfi_endproc - .size __condvar_tw_cleanup, .-__condvar_tw_cleanup - - - .section .gcc_except_table,"a",@progbits -.LexceptSTART: - .byte DW_EH_PE_omit # @LPStart format (omit) - .byte DW_EH_PE_omit # @TType format (omit) - .byte DW_EH_PE_sdata4 # call-site format - # DW_EH_PE_sdata4 - .uleb128 .Lcstend-.Lcstbegin -.Lcstbegin: - .long .LcleanupSTART-.LSTARTCODE - .long .Ladd_cond_futex_pi-.LcleanupSTART - .long __condvar_tw_cleanup-.LSTARTCODE - .uleb128 0 - .long .Ladd_cond_futex_pi-.LSTARTCODE - .long .Lsub_cond_futex_pi-.Ladd_cond_futex_pi - .long __condvar_tw_cleanup2-.LSTARTCODE - .uleb128 0 - .long .Lsub_cond_futex_pi-.LSTARTCODE - .long .Ladd_cond_futex-.Lsub_cond_futex_pi - .long __condvar_tw_cleanup-.LSTARTCODE - .uleb128 0 - .long .Ladd_cond_futex-.LSTARTCODE - .long .Lsub_cond_futex-.Ladd_cond_futex - .long __condvar_tw_cleanup2-.LSTARTCODE - .uleb128 0 - .long .Lsub_cond_futex-.LSTARTCODE - .long .LcleanupEND-.Lsub_cond_futex - .long __condvar_tw_cleanup-.LSTARTCODE - .uleb128 0 -#ifndef __ASSUME_FUTEX_CLOCK_REALTIME - .long .LcleanupSTART2-.LSTARTCODE - .long .Ladd_cond_futex2-.LcleanupSTART2 - .long __condvar_tw_cleanup-.LSTARTCODE - .uleb128 0 - .long .Ladd_cond_futex2-.LSTARTCODE - .long .Lsub_cond_futex2-.Ladd_cond_futex2 - .long __condvar_tw_cleanup2-.LSTARTCODE - .uleb128 0 - .long .Lsub_cond_futex2-.LSTARTCODE - .long .LcleanupEND2-.Lsub_cond_futex2 - .long __condvar_tw_cleanup-.LSTARTCODE - .uleb128 0 -#endif - .long .LcallUR-.LSTARTCODE - .long .LENDCODE-.LcallUR - .long 0 - .uleb128 0 -.Lcstend: - - -#ifdef SHARED - .hidden DW.ref.__gcc_personality_v0 - .weak DW.ref.__gcc_personality_v0 - .section .gnu.linkonce.d.DW.ref.__gcc_personality_v0,"aw",@progbits - .align 4 - .type DW.ref.__gcc_personality_v0, @object - .size DW.ref.__gcc_personality_v0, 4 -DW.ref.__gcc_personality_v0: - .long __gcc_personality_v0 -#endif diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S deleted file mode 100644 index c7e79712b8..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S +++ /dev/null @@ -1,641 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <shlib-compat.h> -#include <lowlevellock.h> -#include <lowlevelcond.h> -#include <tcb-offsets.h> -#include <pthread-errnos.h> -#include <pthread-pi-defines.h> -#include <kernel-features.h> -#include <stap-probe.h> - - - .text - -/* int pthread_cond_wait (pthread_cond_t *cond, pthread_mutex_t *mutex) */ - .globl __pthread_cond_wait - .type __pthread_cond_wait, @function - .align 16 -__pthread_cond_wait: -.LSTARTCODE: - cfi_startproc -#ifdef SHARED - cfi_personality(DW_EH_PE_pcrel | DW_EH_PE_sdata4 | DW_EH_PE_indirect, - DW.ref.__gcc_personality_v0) - cfi_lsda(DW_EH_PE_pcrel | DW_EH_PE_sdata4, .LexceptSTART) -#else - cfi_personality(DW_EH_PE_udata4, __gcc_personality_v0) - cfi_lsda(DW_EH_PE_udata4, .LexceptSTART) -#endif - - pushl %ebp - cfi_adjust_cfa_offset(4) - cfi_rel_offset(%ebp, 0) - pushl %edi - cfi_adjust_cfa_offset(4) - cfi_rel_offset(%edi, 0) - pushl %esi - cfi_adjust_cfa_offset(4) - cfi_rel_offset(%esi, 0) - pushl %ebx - cfi_adjust_cfa_offset(4) - cfi_rel_offset(%ebx, 0) - - xorl %esi, %esi - movl 20(%esp), %ebx - - LIBC_PROBE (cond_wait, 2, 24(%esp), %ebx) - - /* Get internal lock. */ - movl $1, %edx - xorl %eax, %eax - LOCK -#if cond_lock == 0 - cmpxchgl %edx, (%ebx) -#else - cmpxchgl %edx, cond_lock(%ebx) -#endif - jnz 1f - - /* Store the reference to the mutex. If there is already a - different value in there this is a bad user bug. */ -2: cmpl $-1, dep_mutex(%ebx) - movl 24(%esp), %eax - je 15f - movl %eax, dep_mutex(%ebx) - - /* Unlock the mutex. */ -15: xorl %edx, %edx - call __pthread_mutex_unlock_usercnt - - testl %eax, %eax - jne 12f - - addl $1, total_seq(%ebx) - adcl $0, total_seq+4(%ebx) - addl $1, cond_futex(%ebx) - addl $(1 << nwaiters_shift), cond_nwaiters(%ebx) - -#define FRAME_SIZE 20 - subl $FRAME_SIZE, %esp - cfi_adjust_cfa_offset(FRAME_SIZE) - cfi_remember_state - - /* Get and store current wakeup_seq value. */ - movl wakeup_seq(%ebx), %edi - movl wakeup_seq+4(%ebx), %edx - movl broadcast_seq(%ebx), %eax - movl %edi, 4(%esp) - movl %edx, 8(%esp) - movl %eax, 12(%esp) - - /* Reset the pi-requeued flag. */ -8: movl $0, 16(%esp) - movl cond_futex(%ebx), %ebp - - /* Unlock. */ - LOCK -#if cond_lock == 0 - subl $1, (%ebx) -#else - subl $1, cond_lock(%ebx) -#endif - jne 3f - -.LcleanupSTART: -4: call __pthread_enable_asynccancel - movl %eax, (%esp) - - xorl %ecx, %ecx - cmpl $-1, dep_mutex(%ebx) - sete %cl - je 18f - - movl dep_mutex(%ebx), %edi - /* Requeue to a non-robust PI mutex if the PI bit is set and - the robust bit is not set. */ - movl MUTEX_KIND(%edi), %eax - andl $(ROBUST_BIT|PI_BIT), %eax - cmpl $PI_BIT, %eax - jne 18f - - movl $(FUTEX_WAIT_REQUEUE_PI|FUTEX_PRIVATE_FLAG), %ecx - movl %ebp, %edx - xorl %esi, %esi - addl $cond_futex, %ebx -.Ladd_cond_futex_pi: - movl $SYS_futex, %eax - ENTER_KERNEL - subl $cond_futex, %ebx -.Lsub_cond_futex_pi: - /* Set the pi-requeued flag only if the kernel has returned 0. The - kernel does not hold the mutex on error. */ - cmpl $0, %eax - sete 16(%esp) - je 19f - - /* When a futex syscall with FUTEX_WAIT_REQUEUE_PI returns - successfully, it has already locked the mutex for us and the - pi_flag (16(%esp)) is set to denote that fact. However, if another - thread changed the futex value before we entered the wait, the - syscall may return an EAGAIN and the mutex is not locked. We go - ahead with a success anyway since later we look at the pi_flag to - decide if we got the mutex or not. The sequence numbers then make - sure that only one of the threads actually wake up. We retry using - normal FUTEX_WAIT only if the kernel returned ENOSYS, since normal - and PI futexes don't mix. - - Note that we don't check for EAGAIN specifically; we assume that the - only other error the futex function could return is EAGAIN since - anything else would mean an error in our function. It is too - expensive to do that check for every call (which is quite common in - case of a large number of threads), so it has been skipped. */ - cmpl $-ENOSYS, %eax - jne 19f - xorl %ecx, %ecx - -18: subl $1, %ecx -#ifdef __ASSUME_PRIVATE_FUTEX - andl $FUTEX_PRIVATE_FLAG, %ecx -#else - andl %gs:PRIVATE_FUTEX, %ecx -#endif -#if FUTEX_WAIT != 0 - addl $FUTEX_WAIT, %ecx -#endif - movl %ebp, %edx - addl $cond_futex, %ebx -.Ladd_cond_futex: - movl $SYS_futex, %eax - ENTER_KERNEL - subl $cond_futex, %ebx -.Lsub_cond_futex: - -19: movl (%esp), %eax - call __pthread_disable_asynccancel -.LcleanupEND: - - /* Lock. */ - movl $1, %edx - xorl %eax, %eax - LOCK -#if cond_lock == 0 - cmpxchgl %edx, (%ebx) -#else - cmpxchgl %edx, cond_lock(%ebx) -#endif - jnz 5f - -6: movl broadcast_seq(%ebx), %eax - cmpl 12(%esp), %eax - jne 16f - - movl woken_seq(%ebx), %eax - movl woken_seq+4(%ebx), %ecx - - movl wakeup_seq(%ebx), %edi - movl wakeup_seq+4(%ebx), %edx - - cmpl 8(%esp), %edx - jne 7f - cmpl 4(%esp), %edi - je 22f - -7: cmpl %ecx, %edx - jne 9f - cmp %eax, %edi - je 22f - -9: addl $1, woken_seq(%ebx) - adcl $0, woken_seq+4(%ebx) - - /* Unlock */ -16: subl $(1 << nwaiters_shift), cond_nwaiters(%ebx) - - /* Wake up a thread which wants to destroy the condvar object. */ - movl total_seq(%ebx), %eax - andl total_seq+4(%ebx), %eax - cmpl $0xffffffff, %eax - jne 17f - movl cond_nwaiters(%ebx), %eax - andl $~((1 << nwaiters_shift) - 1), %eax - jne 17f - - addl $cond_nwaiters, %ebx - movl $SYS_futex, %eax -#if FUTEX_PRIVATE_FLAG > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex-cond_nwaiters(%ebx) - sete %cl - subl $1, %ecx -#ifdef __ASSUME_PRIVATE_FUTEX - andl $FUTEX_PRIVATE_FLAG, %ecx -#else - andl %gs:PRIVATE_FUTEX, %ecx -#endif - addl $FUTEX_WAKE, %ecx - movl $1, %edx - ENTER_KERNEL - subl $cond_nwaiters, %ebx - -17: LOCK -#if cond_lock == 0 - subl $1, (%ebx) -#else - subl $1, cond_lock(%ebx) -#endif - jne 10f - - /* With requeue_pi, the mutex lock is held in the kernel. */ -11: movl 24+FRAME_SIZE(%esp), %eax - movl 16(%esp), %ecx - testl %ecx, %ecx - jnz 21f - - call __pthread_mutex_cond_lock -20: addl $FRAME_SIZE, %esp - cfi_adjust_cfa_offset(-FRAME_SIZE); - -14: popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - popl %esi - cfi_adjust_cfa_offset(-4) - cfi_restore(%esi) - popl %edi - cfi_adjust_cfa_offset(-4) - cfi_restore(%edi) - popl %ebp - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebp) - - /* We return the result of the mutex_lock operation. */ - ret - - cfi_restore_state - -21: call __pthread_mutex_cond_lock_adjust - xorl %eax, %eax - jmp 20b - - cfi_adjust_cfa_offset(-FRAME_SIZE); - - /* We need to go back to futex_wait. If we're using requeue_pi, then - release the mutex we had acquired and go back. */ -22: movl 16(%esp), %edx - test %edx, %edx - jz 8b - - /* Adjust the mutex values first and then unlock it. The unlock - should always succeed or else the kernel did not lock the mutex - correctly. */ - movl dep_mutex(%ebx), %eax - call __pthread_mutex_cond_lock_adjust - xorl %edx, %edx - call __pthread_mutex_unlock_usercnt - jmp 8b - - /* Initial locking failed. */ -1: -#if cond_lock == 0 - movl %ebx, %edx -#else - leal cond_lock(%ebx), %edx -#endif -#if (LLL_SHARED-LLL_PRIVATE) > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex(%ebx) - setne %cl - subl $1, %ecx - andl $(LLL_SHARED-LLL_PRIVATE), %ecx -#if LLL_PRIVATE != 0 - addl $LLL_PRIVATE, %ecx -#endif - call __lll_lock_wait - jmp 2b - - /* The initial unlocking of the mutex failed. */ -12: - LOCK -#if cond_lock == 0 - subl $1, (%ebx) -#else - subl $1, cond_lock(%ebx) -#endif - jne 14b - - movl %eax, %esi -#if cond_lock == 0 - movl %ebx, %eax -#else - leal cond_lock(%ebx), %eax -#endif -#if (LLL_SHARED-LLL_PRIVATE) > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex(%ebx) - setne %cl - subl $1, %ecx - andl $(LLL_SHARED-LLL_PRIVATE), %ecx -#if LLL_PRIVATE != 0 - addl $LLL_PRIVATE, %ecx -#endif - call __lll_unlock_wake - - movl %esi, %eax - jmp 14b - - cfi_adjust_cfa_offset(FRAME_SIZE) - - /* Unlock in loop requires wakeup. */ -3: -#if cond_lock == 0 - movl %ebx, %eax -#else - leal cond_lock(%ebx), %eax -#endif -#if (LLL_SHARED-LLL_PRIVATE) > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex(%ebx) - setne %cl - subl $1, %ecx - andl $(LLL_SHARED-LLL_PRIVATE), %ecx -#if LLL_PRIVATE != 0 - addl $LLL_PRIVATE, %ecx -#endif - call __lll_unlock_wake - jmp 4b - - /* Locking in loop failed. */ -5: -#if cond_lock == 0 - movl %ebx, %edx -#else - leal cond_lock(%ebx), %edx -#endif -#if (LLL_SHARED-LLL_PRIVATE) > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex(%ebx) - setne %cl - subl $1, %ecx - andl $(LLL_SHARED-LLL_PRIVATE), %ecx -#if LLL_PRIVATE != 0 - addl $LLL_PRIVATE, %ecx -#endif - call __lll_lock_wait - jmp 6b - - /* Unlock after loop requires wakeup. */ -10: -#if cond_lock == 0 - movl %ebx, %eax -#else - leal cond_lock(%ebx), %eax -#endif -#if (LLL_SHARED-LLL_PRIVATE) > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex(%ebx) - setne %cl - subl $1, %ecx - andl $(LLL_SHARED-LLL_PRIVATE), %ecx -#if LLL_PRIVATE != 0 - addl $LLL_PRIVATE, %ecx -#endif - call __lll_unlock_wake - jmp 11b - - .size __pthread_cond_wait, .-__pthread_cond_wait -versioned_symbol (libpthread, __pthread_cond_wait, pthread_cond_wait, - GLIBC_2_3_2) - - - .type __condvar_w_cleanup2, @function -__condvar_w_cleanup2: - subl $cond_futex, %ebx - .size __condvar_w_cleanup2, .-__condvar_w_cleanup2 -.LSbl4: - .type __condvar_w_cleanup, @function -__condvar_w_cleanup: - movl %eax, %esi - - /* Get internal lock. */ - movl $1, %edx - xorl %eax, %eax - LOCK -#if cond_lock == 0 - cmpxchgl %edx, (%ebx) -#else - cmpxchgl %edx, cond_lock(%ebx) -#endif - jz 1f - -#if cond_lock == 0 - movl %ebx, %edx -#else - leal cond_lock(%ebx), %edx -#endif -#if (LLL_SHARED-LLL_PRIVATE) > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex(%ebx) - setne %cl - subl $1, %ecx - andl $(LLL_SHARED-LLL_PRIVATE), %ecx -#if LLL_PRIVATE != 0 - addl $LLL_PRIVATE, %ecx -#endif - call __lll_lock_wait - -1: movl broadcast_seq(%ebx), %eax - cmpl 12(%esp), %eax - jne 3f - - /* We increment the wakeup_seq counter only if it is lower than - total_seq. If this is not the case the thread was woken and - then canceled. In this case we ignore the signal. */ - movl total_seq(%ebx), %eax - movl total_seq+4(%ebx), %edi - cmpl wakeup_seq+4(%ebx), %edi - jb 6f - ja 7f - cmpl wakeup_seq(%ebx), %eax - jbe 7f - -6: addl $1, wakeup_seq(%ebx) - adcl $0, wakeup_seq+4(%ebx) - addl $1, cond_futex(%ebx) - -7: addl $1, woken_seq(%ebx) - adcl $0, woken_seq+4(%ebx) - -3: subl $(1 << nwaiters_shift), cond_nwaiters(%ebx) - - /* Wake up a thread which wants to destroy the condvar object. */ - xorl %edi, %edi - movl total_seq(%ebx), %eax - andl total_seq+4(%ebx), %eax - cmpl $0xffffffff, %eax - jne 4f - movl cond_nwaiters(%ebx), %eax - andl $~((1 << nwaiters_shift) - 1), %eax - jne 4f - - addl $cond_nwaiters, %ebx - movl $SYS_futex, %eax -#if FUTEX_PRIVATE_FLAG > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex-cond_nwaiters(%ebx) - sete %cl - subl $1, %ecx -#ifdef __ASSUME_PRIVATE_FUTEX - andl $FUTEX_PRIVATE_FLAG, %ecx -#else - andl %gs:PRIVATE_FUTEX, %ecx -#endif - addl $FUTEX_WAKE, %ecx - movl $1, %edx - ENTER_KERNEL - subl $cond_nwaiters, %ebx - movl $1, %edi - -4: LOCK -#if cond_lock == 0 - subl $1, (%ebx) -#else - subl $1, cond_lock(%ebx) -#endif - je 2f - -#if cond_lock == 0 - movl %ebx, %eax -#else - leal cond_lock(%ebx), %eax -#endif -#if (LLL_SHARED-LLL_PRIVATE) > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex(%ebx) - setne %cl - subl $1, %ecx - andl $(LLL_SHARED-LLL_PRIVATE), %ecx -#if LLL_PRIVATE != 0 - addl $LLL_PRIVATE, %ecx -#endif - call __lll_unlock_wake - - /* Wake up all waiters to make sure no signal gets lost. */ -2: testl %edi, %edi - jnz 5f - addl $cond_futex, %ebx -#if FUTEX_PRIVATE_FLAG > 255 - xorl %ecx, %ecx -#endif - cmpl $-1, dep_mutex-cond_futex(%ebx) - sete %cl - subl $1, %ecx -#ifdef __ASSUME_PRIVATE_FUTEX - andl $FUTEX_PRIVATE_FLAG, %ecx -#else - andl %gs:PRIVATE_FUTEX, %ecx -#endif - addl $FUTEX_WAKE, %ecx - movl $SYS_futex, %eax - movl $0x7fffffff, %edx - ENTER_KERNEL - - /* Lock the mutex only if we don't own it already. This only happens - in case of PI mutexes, if we got cancelled after a successful - return of the futex syscall and before disabling async - cancellation. */ -5: movl 24+FRAME_SIZE(%esp), %eax - movl MUTEX_KIND(%eax), %ebx - andl $(ROBUST_BIT|PI_BIT), %ebx - cmpl $PI_BIT, %ebx - jne 8f - - movl (%eax), %ebx - andl $TID_MASK, %ebx - cmpl %ebx, %gs:TID - jne 8f - /* We managed to get the lock. Fix it up before returning. */ - call __pthread_mutex_cond_lock_adjust - jmp 9f - -8: call __pthread_mutex_cond_lock - -9: movl %esi, (%esp) -.LcallUR: - call _Unwind_Resume - hlt -.LENDCODE: - cfi_endproc - .size __condvar_w_cleanup, .-__condvar_w_cleanup - - - .section .gcc_except_table,"a",@progbits -.LexceptSTART: - .byte DW_EH_PE_omit # @LPStart format (omit) - .byte DW_EH_PE_omit # @TType format (omit) - .byte DW_EH_PE_sdata4 # call-site format - # DW_EH_PE_sdata4 - .uleb128 .Lcstend-.Lcstbegin -.Lcstbegin: - .long .LcleanupSTART-.LSTARTCODE - .long .Ladd_cond_futex_pi-.LcleanupSTART - .long __condvar_w_cleanup-.LSTARTCODE - .uleb128 0 - .long .Ladd_cond_futex_pi-.LSTARTCODE - .long .Lsub_cond_futex_pi-.Ladd_cond_futex_pi - .long __condvar_w_cleanup2-.LSTARTCODE - .uleb128 0 - .long .Lsub_cond_futex_pi-.LSTARTCODE - .long .Ladd_cond_futex-.Lsub_cond_futex_pi - .long __condvar_w_cleanup-.LSTARTCODE - .uleb128 0 - .long .Ladd_cond_futex-.LSTARTCODE - .long .Lsub_cond_futex-.Ladd_cond_futex - .long __condvar_w_cleanup2-.LSTARTCODE - .uleb128 0 - .long .Lsub_cond_futex-.LSTARTCODE - .long .LcleanupEND-.Lsub_cond_futex - .long __condvar_w_cleanup-.LSTARTCODE - .uleb128 0 - .long .LcallUR-.LSTARTCODE - .long .LENDCODE-.LcallUR - .long 0 - .uleb128 0 -.Lcstend: - -#ifdef SHARED - .hidden DW.ref.__gcc_personality_v0 - .weak DW.ref.__gcc_personality_v0 - .section .gnu.linkonce.d.DW.ref.__gcc_personality_v0,"aw",@progbits - .align 4 - .type DW.ref.__gcc_personality_v0, @object - .size DW.ref.__gcc_personality_v0, 4 -DW.ref.__gcc_personality_v0: - .long __gcc_personality_v0 -#endif diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S deleted file mode 100644 index a81bc06d7c..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S +++ /dev/null @@ -1,192 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <lowlevellock.h> -#include <lowlevelrwlock.h> -#include <pthread-errnos.h> -#include <kernel-features.h> - -#include <stap-probe.h> - - .text - - .globl __pthread_rwlock_rdlock - .type __pthread_rwlock_rdlock,@function - .align 16 -__pthread_rwlock_rdlock: - cfi_startproc - pushl %esi - cfi_adjust_cfa_offset(4) - pushl %ebx - cfi_adjust_cfa_offset(4) - cfi_offset(%esi, -8) - cfi_offset(%ebx, -12) - - xorl %esi, %esi - movl 12(%esp), %ebx - - LIBC_PROBE (rdlock_entry, 1, %ebx) - - /* Get the lock. */ - movl $1, %edx - xorl %eax, %eax - LOCK -#if MUTEX == 0 - cmpxchgl %edx, (%ebx) -#else - cmpxchgl %edx, MUTEX(%ebx) -#endif - jnz 1f - -2: movl WRITER(%ebx), %eax - testl %eax, %eax - jne 14f - cmpl $0, WRITERS_QUEUED(%ebx) - je 5f - cmpb $0, FLAGS(%ebx) - je 5f - -3: addl $1, READERS_QUEUED(%ebx) - je 4f - - movl READERS_WAKEUP(%ebx), %edx - - LOCK -#if MUTEX == 0 - subl $1, (%ebx) -#else - subl $1, MUTEX(%ebx) -#endif - jne 10f - -11: -#ifdef __ASSUME_PRIVATE_FUTEX - movzbl PSHARED(%ebx), %ecx - xorl $FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %ecx -#else - movzbl PSHARED(%ebx), %ecx -# if FUTEX_WAIT != 0 - orl $FUTEX_WAIT, %ecx -# endif - xorl %gs:PRIVATE_FUTEX, %ecx -#endif - addl $READERS_WAKEUP, %ebx - movl $SYS_futex, %eax - ENTER_KERNEL - - subl $READERS_WAKEUP, %ebx - - /* Reget the lock. */ - movl $1, %edx - xorl %eax, %eax - LOCK -#if MUTEX == 0 - cmpxchgl %edx, (%ebx) -#else - cmpxchgl %edx, MUTEX(%ebx) -#endif - jnz 12f - -13: subl $1, READERS_QUEUED(%ebx) - jmp 2b - -5: xorl %edx, %edx - addl $1, NR_READERS(%ebx) - je 8f -9: LOCK -#if MUTEX == 0 - subl $1, (%ebx) -#else - subl $1, MUTEX(%ebx) -#endif - jne 6f -7: - - movl %edx, %eax - popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - popl %esi - cfi_adjust_cfa_offset(-4) - cfi_restore(%esi) - ret - - cfi_adjust_cfa_offset(8) - cfi_offset(%esi, -8) - cfi_offset(%ebx, -12) -1: -#if MUTEX == 0 - movl %ebx, %edx -#else - leal MUTEX(%ebx), %edx -#endif - movzbl PSHARED(%ebx), %ecx - call __lll_lock_wait - jmp 2b - -14: cmpl %gs:TID, %eax - jne 3b - /* Deadlock detected. */ - movl $EDEADLK, %edx - jmp 9b - -6: -#if MUTEX == 0 - movl %ebx, %eax -#else - leal MUTEX(%ebx), %eax -#endif - movzbl PSHARED(%ebx), %ecx - call __lll_unlock_wake - jmp 7b - - /* Overflow. */ -8: subl $1, NR_READERS(%ebx) - movl $EAGAIN, %edx - jmp 9b - - /* Overflow. */ -4: subl $1, READERS_QUEUED(%ebx) - movl $EAGAIN, %edx - jmp 9b - -10: -#if MUTEX == 0 - movl %ebx, %eax -#else - leal MUTEX(%ebx), %eax -#endif - movzbl PSHARED(%ebx), %ecx - call __lll_unlock_wake - jmp 11b - -12: -#if MUTEX == 0 - movl %ebx, %edx -#else - leal MUTEX(%ebx), %edx -#endif - movzbl PSHARED(%ebx), %ecx - call __lll_lock_wait - jmp 13b - cfi_endproc - .size __pthread_rwlock_rdlock,.-__pthread_rwlock_rdlock - -strong_alias (__pthread_rwlock_rdlock, pthread_rwlock_rdlock) -hidden_def (__pthread_rwlock_rdlock) diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S deleted file mode 100644 index bc1001ce9c..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S +++ /dev/null @@ -1,243 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <lowlevellock.h> -#include <lowlevelrwlock.h> -#include <pthread-errnos.h> -#include <kernel-features.h> - - - .text - - .globl pthread_rwlock_timedrdlock - .type pthread_rwlock_timedrdlock,@function - .align 16 -pthread_rwlock_timedrdlock: - cfi_startproc - pushl %esi - cfi_adjust_cfa_offset(4) - pushl %edi - cfi_adjust_cfa_offset(4) - pushl %ebx - cfi_adjust_cfa_offset(4) - pushl %ebp - cfi_adjust_cfa_offset(4) - cfi_offset(%esi, -8) - cfi_offset(%edi, -12) - cfi_offset(%ebx, -16) - cfi_offset(%ebp, -20) - subl $8, %esp - cfi_adjust_cfa_offset(8) - - movl 28(%esp), %ebp - movl 32(%esp), %edi - - /* Get the lock. */ - movl $1, %edx - xorl %eax, %eax - LOCK -#if MUTEX == 0 - cmpxchgl %edx, (%ebp) -#else - cmpxchgl %edx, MUTEX(%ebp) -#endif - jnz 1f - -2: movl WRITER(%ebp), %eax - testl %eax, %eax - jne 14f - cmpl $0, WRITERS_QUEUED(%ebp) - je 5f - cmpb $0, FLAGS(%ebp) - je 5f - - /* Check the value of the timeout parameter. */ -3: cmpl $1000000000, 4(%edi) - jae 19f - - addl $1, READERS_QUEUED(%ebp) - je 4f - - movl READERS_WAKEUP(%ebp), %esi - - LOCK -#if MUTEX == 0 - subl $1, (%ebp) -#else - subl $1, MUTEX(%ebp) -#endif - jne 10f - - /* Get current time. */ -11: movl %esp, %ebx - xorl %ecx, %ecx - movl $__NR_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 15f - addl $1000000000, %edx - subl $1, %ecx -15: testl %ecx, %ecx - js 16f /* Time is already up. */ - - /* Futex call. */ - movl %ecx, (%esp) /* Store relative timeout. */ - movl %edx, 4(%esp) - - movl %esi, %edx -#ifdef __ASSUME_PRIVATE_FUTEX - movzbl PSHARED(%ebp), %ecx - xorl $FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %ecx -#else - movzbl PSHARED(%ebp), %ecx -# if FUTEX_WAIT != 0 - orl $FUTEX_WAIT, %ecx -# endif - xorl %gs:PRIVATE_FUTEX, %ecx -#endif - movl %esp, %esi - leal READERS_WAKEUP(%ebp), %ebx - movl $SYS_futex, %eax - ENTER_KERNEL - movl %eax, %esi -17: - - /* Reget the lock. */ - movl $1, %edx - xorl %eax, %eax - LOCK -#if MUTEX == 0 - cmpxchgl %edx, (%ebp) -#else - cmpxchgl %edx, MUTEX(%ebp) -#endif - jnz 12f - -13: subl $1, READERS_QUEUED(%ebp) - cmpl $-ETIMEDOUT, %esi - jne 2b - -18: movl $ETIMEDOUT, %edx - jmp 9f - - -5: xorl %edx, %edx - addl $1, NR_READERS(%ebp) - je 8f -9: LOCK -#if MUTEX == 0 - subl $1, (%ebp) -#else - subl $1, MUTEX(%ebp) -#endif - jne 6f - -7: movl %edx, %eax - - addl $8, %esp - cfi_adjust_cfa_offset(-8) - popl %ebp - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebp) - popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - popl %edi - cfi_adjust_cfa_offset(-4) - cfi_restore(%edi) - popl %esi - cfi_adjust_cfa_offset(-4) - cfi_restore(%esi) - ret - - cfi_adjust_cfa_offset(24) - cfi_offset(%esi, -8) - cfi_offset(%edi, -12) - cfi_offset(%ebx, -16) - cfi_offset(%ebp, -20) -1: -#if MUTEX == 0 - movl %ebp, %edx -#else - leal MUTEX(%ebp), %edx -#endif - movzbl PSHARED(%ebp), %ecx - call __lll_lock_wait - jmp 2b - -14: cmpl %gs:TID, %eax - jne 3b - movl $EDEADLK, %edx - jmp 9b - -6: -#if MUTEX == 0 - movl %ebp, %eax -#else - leal MUTEX(%ebp), %eax -#endif - movzbl PSHARED(%ebp), %ecx - call __lll_unlock_wake - jmp 7b - - /* Overflow. */ -8: subl $1, NR_READERS(%ebp) - movl $EAGAIN, %edx - jmp 9b - - /* Overflow. */ -4: subl $1, READERS_QUEUED(%ebp) - movl $EAGAIN, %edx - jmp 9b - -10: -#if MUTEX == 0 - movl %ebp, %eax -#else - leal MUTEX(%ebp), %eax -#endif - movzbl PSHARED(%ebp), %ecx - call __lll_unlock_wake - jmp 11b - -12: -#if MUTEX == 0 - movl %ebp, %edx -#else - leal MUTEX(%ebp), %edx -#endif - movzbl PSHARED(%ebp), %ecx - call __lll_lock_wait - jmp 13b - -16: movl $-ETIMEDOUT, %esi - jmp 17b - -19: movl $EINVAL, %edx - jmp 9b - cfi_endproc - .size pthread_rwlock_timedrdlock,.-pthread_rwlock_timedrdlock diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S deleted file mode 100644 index 9abba58ca8..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S +++ /dev/null @@ -1,236 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <lowlevellock.h> -#include <lowlevelrwlock.h> -#include <pthread-errnos.h> -#include <kernel-features.h> - - - .text - - .globl pthread_rwlock_timedwrlock - .type pthread_rwlock_timedwrlock,@function - .align 16 -pthread_rwlock_timedwrlock: - cfi_startproc - pushl %esi - cfi_adjust_cfa_offset(4) - pushl %edi - cfi_adjust_cfa_offset(4) - pushl %ebx - cfi_adjust_cfa_offset(4) - pushl %ebp - cfi_adjust_cfa_offset(4) - cfi_offset(%esi, -8) - cfi_offset(%edi, -12) - cfi_offset(%ebx, -16) - cfi_offset(%ebp, -20) - subl $8, %esp - cfi_adjust_cfa_offset(8) - - movl 28(%esp), %ebp - movl 32(%esp), %edi - - /* Get the lock. */ - movl $1, %edx - xorl %eax, %eax - LOCK -#if MUTEX == 0 - cmpxchgl %edx, (%ebp) -#else - cmpxchgl %edx, MUTEX(%ebp) -#endif - jnz 1f - -2: movl WRITER(%ebp), %eax - testl %eax, %eax - jne 14f - cmpl $0, NR_READERS(%ebp) - je 5f - - /* Check the value of the timeout parameter. */ -3: cmpl $1000000000, 4(%edi) - jae 19f - - addl $1, WRITERS_QUEUED(%ebp) - je 4f - - movl WRITERS_WAKEUP(%ebp), %esi - - LOCK -#if MUTEX == 0 - subl $1, (%ebp) -#else - subl $1, MUTEX(%ebp) -#endif - jne 10f - - /* Get current time. */ -11: movl %esp, %ebx - xorl %ecx, %ecx - movl $__NR_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 15f - addl $1000000000, %edx - subl $1, %ecx -15: testl %ecx, %ecx - js 16f /* Time is already up. */ - - /* Futex call. */ - movl %ecx, (%esp) /* Store relative timeout. */ - movl %edx, 4(%esp) - - movl %esi, %edx -#ifdef __ASSUME_PRIVATE_FUTEX - movzbl PSHARED(%ebp), %ecx - xorl $FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %ecx -#else - movzbl PSHARED(%ebp), %ecx -# if FUTEX_WAIT != 0 - orl $FUTEX_WAIT, %ecx -# endif - xorl %gs:PRIVATE_FUTEX, %ecx -#endif - movl %esp, %esi - leal WRITERS_WAKEUP(%ebp), %ebx - movl $SYS_futex, %eax - ENTER_KERNEL - movl %eax, %esi -17: - - /* Reget the lock. */ - movl $1, %edx - xorl %eax, %eax - LOCK -#if MUTEX == 0 - cmpxchgl %edx, (%ebp) -#else - cmpxchgl %edx, MUTEX(%ebp) -#endif - jnz 12f - -13: subl $1, WRITERS_QUEUED(%ebp) - cmpl $-ETIMEDOUT, %esi - jne 2b - -18: movl $ETIMEDOUT, %edx - jmp 9f - - -5: xorl %edx, %edx - movl %gs:TID, %eax - movl %eax, WRITER(%ebp) -9: LOCK -#if MUTEX == 0 - subl $1, (%ebp) -#else - subl $1, MUTEX(%ebp) -#endif - jne 6f - -7: movl %edx, %eax - - addl $8, %esp - cfi_adjust_cfa_offset(-8) - popl %ebp - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebp) - popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - popl %edi - cfi_adjust_cfa_offset(-4) - cfi_restore(%edi) - popl %esi - cfi_adjust_cfa_offset(-4) - cfi_restore(%esi) - ret - - cfi_adjust_cfa_offset(24) - cfi_offset(%esi, -8) - cfi_offset(%edi, -12) - cfi_offset(%ebx, -16) - cfi_offset(%ebp, -20) -1: -#if MUTEX == 0 - movl %ebp, %edx -#else - leal MUTEX(%ebp), %edx -#endif - movzbl PSHARED(%ebp), %ecx - call __lll_lock_wait - jmp 2b - -14: cmpl %gs:TID, %eax - jne 3b -20: movl $EDEADLK, %edx - jmp 9b - -6: -#if MUTEX == 0 - movl %ebp, %eax -#else - leal MUTEX(%ebp), %eax -#endif - movzbl PSHARED(%ebp), %ecx - call __lll_unlock_wake - jmp 7b - - /* Overflow. */ -4: subl $1, WRITERS_QUEUED(%ebp) - movl $EAGAIN, %edx - jmp 9b - -10: -#if MUTEX == 0 - movl %ebp, %eax -#else - leal MUTEX(%ebp), %eax -#endif - movzbl PSHARED(%ebp), %ecx - call __lll_unlock_wake - jmp 11b - -12: -#if MUTEX == 0 - movl %ebp, %edx -#else - leal MUTEX(%ebp), %edx -#endif - movzbl PSHARED(%ebp), %ecx - call __lll_lock_wait - jmp 13b - -16: movl $-ETIMEDOUT, %esi - jmp 17b - -19: movl $EINVAL, %edx - jmp 9b - cfi_endproc - .size pthread_rwlock_timedwrlock,.-pthread_rwlock_timedwrlock diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_unlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_unlock.S deleted file mode 100644 index 738c067780..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_unlock.S +++ /dev/null @@ -1,151 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <lowlevellock.h> -#include <lowlevelrwlock.h> -#include <kernel-features.h> - - - .text - - .globl __pthread_rwlock_unlock - .type __pthread_rwlock_unlock,@function - .align 16 -__pthread_rwlock_unlock: - cfi_startproc - pushl %ebx - cfi_adjust_cfa_offset(4) - pushl %edi - cfi_adjust_cfa_offset(4) - cfi_offset(%ebx, -8) - cfi_offset(%edi, -12) - - movl 12(%esp), %edi - - /* Get the lock. */ - movl $1, %edx - xorl %eax, %eax - LOCK -#if MUTEX == 0 - cmpxchgl %edx, (%edi) -#else - cmpxchgl %edx, MUTEX(%edi) -#endif - jnz 1f - -2: cmpl $0, WRITER(%edi) - jne 5f - subl $1, NR_READERS(%edi) - jnz 6f - -5: movl $0, WRITER(%edi) - - movl $1, %edx - leal WRITERS_WAKEUP(%edi), %ebx - cmpl $0, WRITERS_QUEUED(%edi) - jne 0f - - /* If also no readers waiting nothing to do. */ - cmpl $0, READERS_QUEUED(%edi) - je 6f - - movl $0x7fffffff, %edx - leal READERS_WAKEUP(%edi), %ebx - -0: addl $1, (%ebx) - LOCK -#if MUTEX == 0 - subl $1, (%edi) -#else - subl $1, MUTEX(%edi) -#endif - jne 7f - -8: -#ifdef __ASSUME_PRIVATE_FUTEX - movzbl PSHARED(%edi), %ecx - xorl $FUTEX_PRIVATE_FLAG|FUTEX_WAKE, %ecx -#else - movzbl PSHARED(%edi), %ecx - orl $FUTEX_WAKE, %ecx - xorl %gs:PRIVATE_FUTEX, %ecx -#endif - movl $SYS_futex, %eax - ENTER_KERNEL - - xorl %eax, %eax - popl %edi - cfi_adjust_cfa_offset(-4) - cfi_restore(%edi) - popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - ret - - cfi_adjust_cfa_offset(8) - cfi_offset(%ebx, -8) - cfi_offset(%edi, -12) - .align 16 -6: LOCK -#if MUTEX == 0 - subl $1, (%edi) -#else - subl $1, MUTEX(%edi) -#endif - jne 3f - -4: xorl %eax, %eax - popl %edi - popl %ebx - ret - -1: -#if MUTEX == 0 - movl %edi, %edx -#else - leal MUTEX(%edi), %edx -#endif - movzbl PSHARED(%edi), %ecx - call __lll_lock_wait - jmp 2b - -3: -#if MUTEX == 0 - movl %edi, %eax -#else - leal MUTEX(%edi), %eax -#endif - movzbl PSHARED(%edi), %ecx - call __lll_unlock_wake - jmp 4b - -7: -#if MUTEX == 0 - movl %edi, %eax -#else - leal MUTEX(%edi), %eax -#endif - movzbl PSHARED(%edi), %ecx - call __lll_unlock_wake - jmp 8b - cfi_endproc - .size __pthread_rwlock_unlock,.-__pthread_rwlock_unlock - -strong_alias (__pthread_rwlock_unlock, pthread_rwlock_unlock) -hidden_def (__pthread_rwlock_unlock) diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S deleted file mode 100644 index 8345cae1ea..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S +++ /dev/null @@ -1,183 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <lowlevellock.h> -#include <lowlevelrwlock.h> -#include <pthread-errnos.h> -#include <kernel-features.h> - -#include <stap-probe.h> - - .text - - .globl __pthread_rwlock_wrlock - .type __pthread_rwlock_wrlock,@function - .align 16 -__pthread_rwlock_wrlock: - cfi_startproc - pushl %esi - cfi_adjust_cfa_offset(4) - pushl %ebx - cfi_adjust_cfa_offset(4) - cfi_offset(%esi, -8) - cfi_offset(%ebx, -12) - - xorl %esi, %esi - movl 12(%esp), %ebx - - LIBC_PROBE (wrlock_entry, 1, %ebx) - - /* Get the lock. */ - movl $1, %edx - xorl %eax, %eax - LOCK -#if MUTEX == 0 - cmpxchgl %edx, (%ebx) -#else - cmpxchgl %edx, MUTEX(%ebx) -#endif - jnz 1f - -2: movl WRITER(%ebx), %eax - testl %eax, %eax - jne 14f - cmpl $0, NR_READERS(%ebx) - je 5f - -3: addl $1, WRITERS_QUEUED(%ebx) - je 4f - - movl WRITERS_WAKEUP(%ebx), %edx - - LOCK -#if MUTEX == 0 - subl $1, (%ebx) -#else - subl $1, MUTEX(%ebx) -#endif - jne 10f - -11: -#ifdef __ASSUME_PRIVATE_FUTEX - movzbl PSHARED(%ebx), %ecx - xorl $FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %ecx -#else - movzbl PSHARED(%ebx), %ecx -# if FUTEX_WAIT != 0 - orl $FUTEX_WAIT, %ecx -# endif - xorl %gs:PRIVATE_FUTEX, %ecx -#endif - addl $WRITERS_WAKEUP, %ebx - movl $SYS_futex, %eax - ENTER_KERNEL - - subl $WRITERS_WAKEUP, %ebx - - /* Reget the lock. */ - movl $1, %edx - xorl %eax, %eax - LOCK -#if MUTEX == 0 - cmpxchgl %edx, (%ebx) -#else - cmpxchgl %edx, MUTEX(%ebx) -#endif - jnz 12f - -13: subl $1, WRITERS_QUEUED(%ebx) - jmp 2b - -5: xorl %edx, %edx - movl %gs:TID, %eax - movl %eax, WRITER(%ebx) -9: LOCK -#if MUTEX == 0 - subl $1, (%ebx) -#else - subl $1, MUTEX(%ebx) -#endif - jne 6f -7: - - movl %edx, %eax - popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - popl %esi - cfi_adjust_cfa_offset(-4) - cfi_restore(%esi) - ret - - cfi_adjust_cfa_offset(8) - cfi_offset(%esi, -8) - cfi_offset(%ebx, -12) -1: -#if MUTEX == 0 - movl %ebx, %edx -#else - leal MUTEX(%ebx), %edx -#endif - movzbl PSHARED(%ebx), %ecx - call __lll_lock_wait - jmp 2b - -14: cmpl %gs:TID , %eax - jne 3b - movl $EDEADLK, %edx - jmp 9b - -6: -#if MUTEX == 0 - movl %ebx, %eax -#else - leal MUTEX(%ebx), %eax -#endif - movzbl PSHARED(%ebx), %ecx - call __lll_unlock_wake - jmp 7b - -4: subl $1, WRITERS_QUEUED(%ebx) - movl $EAGAIN, %edx - jmp 9b - -10: -#if MUTEX == 0 - movl %ebx, %eax -#else - leal MUTEX(%ebx), %eax -#endif - movzbl PSHARED(%ebx), %ecx - call __lll_unlock_wake - jmp 11b - -12: -#if MUTEX == 0 - movl %ebx, %edx -#else - leal MUTEX(%ebx), %edx -#endif - movzbl PSHARED(%ebx), %ecx - call __lll_lock_wait - jmp 13b - cfi_endproc - .size __pthread_rwlock_wrlock,.-__pthread_rwlock_wrlock - -strong_alias (__pthread_rwlock_wrlock, pthread_rwlock_wrlock) -hidden_def (__pthread_rwlock_wrlock) diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S deleted file mode 100644 index bc091a0926..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_post.S +++ /dev/null @@ -1,150 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <shlib-compat.h> -#include <pthread-errnos.h> -#include <structsem.h> -#include <lowlevellock.h> - - - .text - - .globl __new_sem_post - .type __new_sem_post,@function - .align 16 -__new_sem_post: - cfi_startproc - pushl %ebx - cfi_adjust_cfa_offset(4) - cfi_offset(%ebx, -8) - - movl 8(%esp), %ebx - -#if VALUE == 0 - movl (%ebx), %eax -#else - movl VALUE(%ebx), %eax -#endif -0: cmpl $SEM_VALUE_MAX, %eax - je 3f - leal 1(%eax), %edx - LOCK -#if VALUE == 0 - cmpxchgl %edx, (%ebx) -#else - cmpxchgl %edx, VALUE(%ebx) -#endif - jnz 0b - - cmpl $0, NWAITERS(%ebx) - je 2f - - movl $FUTEX_WAKE, %ecx - orl PRIVATE(%ebx), %ecx - movl $1, %edx - movl $SYS_futex, %eax - ENTER_KERNEL - - testl %eax, %eax - js 1f - -2: xorl %eax, %eax - popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - ret - - cfi_adjust_cfa_offset(4) - cfi_offset(%ebx, -8) -1: -#ifdef PIC - SETUP_PIC_REG(bx) -#else - movl $4f, %ebx -4: -#endif - addl $_GLOBAL_OFFSET_TABLE_, %ebx -#ifdef NO_TLS_DIRECT_SEG_REFS - movl errno@gotntpoff(%ebx), %edx - addl %gs:0, %edx - movl $EINVAL, (%edx) -#else - movl errno@gotntpoff(%ebx), %edx - movl $EINVAL, %gs:(%edx) -#endif - - orl $-1, %eax - popl %ebx - ret - -3: -#ifdef PIC - SETUP_PIC_REG(bx) -#else - movl $5f, %ebx -5: -#endif - addl $_GLOBAL_OFFSET_TABLE_, %ebx -#ifdef NO_TLS_DIRECT_SEG_REFS - movl errno@gotntpoff(%ebx), %edx - addl %gs:0, %edx - movl $EOVERFLOW, (%edx) -#else - movl errno@gotntpoff(%ebx), %edx - movl $EOVERFLOW, %gs:(%edx) -#endif - - orl $-1, %eax - popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - ret - cfi_endproc - .size __new_sem_post,.-__new_sem_post - versioned_symbol(libpthread, __new_sem_post, sem_post, GLIBC_2_1) -#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1) - .global __old_sem_post - .type __old_sem_post,@function -__old_sem_post: - cfi_startproc - pushl %ebx - cfi_adjust_cfa_offset(4) - cfi_offset(%ebx, -8) - - movl 8(%esp), %ebx - LOCK - addl $1, (%ebx) - - movl $SYS_futex, %eax - movl $FUTEX_WAKE, %ecx - movl $1, %edx - ENTER_KERNEL - - testl %eax, %eax - js 1b - - xorl %eax, %eax - popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - ret - cfi_endproc - .size __old_sem_post,.-__old_sem_post - compat_symbol(libpthread, __old_sem_post, sem_post, GLIBC_2_0) -#endif diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S deleted file mode 100644 index 94d052afc0..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S +++ /dev/null @@ -1,327 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <shlib-compat.h> -#include <pthread-errnos.h> -#include <structsem.h> -#include <lowlevellock.h> - - -#if VALUE != 0 -# error "code needs to be rewritten for VALUE != 0" -#endif - - - .text - - .globl sem_timedwait - .type sem_timedwait,@function - .align 16 -sem_timedwait: -.LSTARTCODE: - movl 4(%esp), %ecx - - movl (%ecx), %eax -2: testl %eax, %eax - je 1f - - leal -1(%eax), %edx - LOCK - cmpxchgl %edx, (%ecx) - jne 2b - - xorl %eax, %eax - ret - - /* Check whether the timeout value is valid. */ -1: pushl %esi -.Lpush_esi: - pushl %edi -.Lpush_edi: - pushl %ebx -.Lpush_ebx: - subl $12, %esp -.Lsub_esp: - - movl 32(%esp), %edi - - /* Check for invalid nanosecond field. */ - cmpl $1000000000, 4(%edi) - movl $EINVAL, %esi - jae .Lerrno_exit - - LOCK - incl NWAITERS(%ecx) - -7: xorl %ecx, %ecx - movl %esp, %ebx - movl %ecx, %edx - movl $__NR_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 - subl $1, %ecx -5: testl %ecx, %ecx - movl $ETIMEDOUT, %esi - js 6f /* Time is already up. */ - - movl %ecx, (%esp) /* Store relative timeout. */ - movl %edx, 4(%esp) - -.LcleanupSTART: - call __pthread_enable_asynccancel - movl %eax, 8(%esp) - - movl 28(%esp), %ebx /* Load semaphore address. */ -#if FUTEX_WAIT == 0 - movl PRIVATE(%ebx), %ecx -#else - movl $FUTEX_WAIT, %ecx - orl PRIVATE(%ebx), %ecx -#endif - movl %esp, %esi - xorl %edx, %edx - movl $SYS_futex, %eax - ENTER_KERNEL - movl %eax, %esi - - movl 8(%esp), %eax - call __pthread_disable_asynccancel -.LcleanupEND: - - testl %esi, %esi - je 9f - cmpl $-EWOULDBLOCK, %esi - jne 3f - -9: movl (%ebx), %eax -8: testl %eax, %eax - je 7b - - leal -1(%eax), %ecx - LOCK - cmpxchgl %ecx, (%ebx) - jne 8b - - xorl %eax, %eax - - LOCK - decl NWAITERS(%ebx) - -10: addl $12, %esp -.Ladd_esp: - popl %ebx -.Lpop_ebx: - popl %edi -.Lpop_edi: - popl %esi -.Lpop_esi: - ret - -.Lafter_ret: -3: negl %esi -6: - movl 28(%esp), %ebx /* Load semaphore address. */ - LOCK - decl NWAITERS(%ebx) -.Lerrno_exit: -#ifdef PIC - SETUP_PIC_REG(bx) -#else - movl $4f, %ebx -4: -#endif - addl $_GLOBAL_OFFSET_TABLE_, %ebx -#ifdef NO_TLS_DIRECT_SEG_REFS - movl errno@gotntpoff(%ebx), %edx - addl %gs:0, %edx - movl %esi, (%edx) -#else - movl errno@gotntpoff(%ebx), %edx - movl %esi, %gs:(%edx) -#endif - - orl $-1, %eax - jmp 10b - .size sem_timedwait,.-sem_timedwait - - - .type sem_wait_cleanup,@function -sem_wait_cleanup: - LOCK - decl NWAITERS(%ebx) - movl %eax, (%esp) -.LcallUR: - call _Unwind_Resume@PLT - hlt -.LENDCODE: - .size sem_wait_cleanup,.-sem_wait_cleanup - - - .section .gcc_except_table,"a",@progbits -.LexceptSTART: - .byte 0xff # @LPStart format (omit) - .byte 0xff # @TType format (omit) - .byte 0x01 # call-site format - # DW_EH_PE_uleb128 - .uleb128 .Lcstend-.Lcstbegin -.Lcstbegin: - .uleb128 .LcleanupSTART-.LSTARTCODE - .uleb128 .LcleanupEND-.LcleanupSTART - .uleb128 sem_wait_cleanup-.LSTARTCODE - .uleb128 0 - .uleb128 .LcallUR-.LSTARTCODE - .uleb128 .LENDCODE-.LcallUR - .uleb128 0 - .uleb128 0 -.Lcstend: - - - .section .eh_frame,"a",@progbits -.LSTARTFRAME: - .long .LENDCIE-.LSTARTCIE # Length of the CIE. -.LSTARTCIE: - .long 0 # CIE ID. - .byte 1 # Version number. -#ifdef SHARED - .string "zPLR" # NUL-terminated augmentation - # string. -#else - .string "zPL" # NUL-terminated augmentation - # string. -#endif - .uleb128 1 # Code alignment factor. - .sleb128 -4 # Data alignment factor. - .byte 8 # Return address register - # column. -#ifdef SHARED - .uleb128 7 # Augmentation value length. - .byte 0x9b # Personality: DW_EH_PE_pcrel - # + DW_EH_PE_sdata4 - # + DW_EH_PE_indirect - .long DW.ref.__gcc_personality_v0-. - .byte 0x1b # LSDA Encoding: DW_EH_PE_pcrel - # + DW_EH_PE_sdata4. - .byte 0x1b # FDE Encoding: DW_EH_PE_pcrel - # + DW_EH_PE_sdata4. -#else - .uleb128 6 # Augmentation value length. - .byte 0x0 # Personality: absolute - .long __gcc_personality_v0 - .byte 0x0 # LSDA Encoding: absolute -#endif - .byte 0x0c # DW_CFA_def_cfa - .uleb128 4 - .uleb128 4 - .byte 0x88 # DW_CFA_offset, column 0x10 - .uleb128 1 - .align 4 -.LENDCIE: - - .long .LENDFDE-.LSTARTFDE # Length of the FDE. -.LSTARTFDE: - .long .LSTARTFDE-.LSTARTFRAME # CIE pointer. -#ifdef SHARED - .long .LSTARTCODE-. # PC-relative start address - # of the code. -#else - .long .LSTARTCODE # Start address of the code. -#endif - .long .LENDCODE-.LSTARTCODE # Length of the code. - .uleb128 4 # Augmentation size -#ifdef SHARED - .long .LexceptSTART-. -#else - .long .LexceptSTART -#endif - - .byte 4 # DW_CFA_advance_loc4 - .long .Lpush_esi-.LSTARTCODE - .byte 14 # DW_CFA_def_cfa_offset - .uleb128 8 - .byte 0x86 # DW_CFA_offset %esi - .uleb128 2 - .byte 4 # DW_CFA_advance_loc4 - .long .Lpush_edi-.Lpush_esi - .byte 14 # DW_CFA_def_cfa_offset - .uleb128 12 - .byte 0x87 # DW_CFA_offset %edi - .uleb128 3 - .byte 4 # DW_CFA_advance_loc4 - .long .Lpush_ebx-.Lpush_edi - .byte 14 # DW_CFA_def_cfa_offset - .uleb128 16 - .byte 0x83 # DW_CFA_offset %ebx - .uleb128 4 - .byte 4 # DW_CFA_advance_loc4 - .long .Lsub_esp-.Lpush_ebx - .byte 14 # DW_CFA_def_cfa_offset - .uleb128 28 - .byte 4 # DW_CFA_advance_loc4 - .long .Ladd_esp-.Lsub_esp - .byte 14 # DW_CFA_def_cfa_offset - .uleb128 16 - .byte 4 # DW_CFA_advance_loc4 - .long .Lpop_ebx-.Ladd_esp - .byte 14 # DW_CFA_def_cfa_offset - .uleb128 12 - .byte 0xc3 # DW_CFA_restore %ebx - .byte 4 # DW_CFA_advance_loc4 - .long .Lpop_edi-.Lpop_ebx - .byte 14 # DW_CFA_def_cfa_offset - .uleb128 8 - .byte 0xc7 # DW_CFA_restore %edi - .byte 4 # DW_CFA_advance_loc4 - .long .Lpop_esi-.Lpop_edi - .byte 14 # DW_CFA_def_cfa_offset - .uleb128 4 - .byte 0xc6 # DW_CFA_restore %esi - .byte 4 # DW_CFA_advance_loc4 - .long .Lafter_ret-.Lpop_esi - .byte 14 # DW_CFA_def_cfa_offset - .uleb128 28 - .byte 0x86 # DW_CFA_offset %esi - .uleb128 2 - .byte 0x87 # DW_CFA_offset %edi - .uleb128 3 - .byte 0x83 # DW_CFA_offset %ebx - .uleb128 4 - .align 4 -.LENDFDE: - - -#ifdef SHARED - .hidden DW.ref.__gcc_personality_v0 - .weak DW.ref.__gcc_personality_v0 - .section .gnu.linkonce.d.DW.ref.__gcc_personality_v0,"aw",@progbits - .align 4 - .type DW.ref.__gcc_personality_v0, @object - .size DW.ref.__gcc_personality_v0, 4 -DW.ref.__gcc_personality_v0: - .long __gcc_personality_v0 -#endif diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S deleted file mode 100644 index 69611eac5d..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S +++ /dev/null @@ -1,67 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <shlib-compat.h> -#include <pthread-errnos.h> -#include <lowlevellock.h> - - .text - - .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 2b - xorl %eax, %eax - ret - -1: -#ifdef PIC - SETUP_PIC_REG(cx) -#else - movl $3f, %ecx -3: -#endif - addl $_GLOBAL_OFFSET_TABLE_, %ecx -#ifdef NO_TLS_DIRECT_SEG_REFS - movl errno@gotntpoff(%ecx), %edx - addl %gs:0, %edx - movl $EAGAIN, (%edx) -#else - movl errno@gotntpoff(%ecx), %edx - movl $EAGAIN, %gs:(%edx) -#endif - orl $-1, %eax - ret - .size __new_sem_trywait,.-__new_sem_trywait - versioned_symbol(libpthread, __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 - compat_symbol(libpthread, __old_sem_trywait, sem_trywait, GLIBC_2_0) -#endif diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_wait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_wait.S deleted file mode 100644 index 14d616fc91..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/sem_wait.S +++ /dev/null @@ -1,343 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <shlib-compat.h> -#include <pthread-errnos.h> -#include <structsem.h> -#include <lowlevellock.h> - - -#if VALUE != 0 -# error "code needs to be rewritten for VALUE != 0" -#endif - - .text - - .globl __new_sem_wait - .type __new_sem_wait,@function - .align 16 -__new_sem_wait: -.LSTARTCODE: - pushl %ebx -.Lpush_ebx: - pushl %esi -.Lpush_esi: - subl $4, %esp -.Lsub_esp: - - movl 16(%esp), %ebx - - movl (%ebx), %eax -2: testl %eax, %eax - je 1f - - leal -1(%eax), %edx - LOCK - cmpxchgl %edx, (%ebx) - jne 2b -7: xorl %eax, %eax - -9: movl 4(%esp), %esi - movl 8(%esp), %ebx - addl $12, %esp -.Ladd_esp: - ret - -.Lafter_ret: -1: LOCK - incl NWAITERS(%ebx) - -.LcleanupSTART: -6: call __pthread_enable_asynccancel - movl %eax, (%esp) - -#if FUTEX_WAIT == 0 - movl PRIVATE(%ebx), %ecx -#else - movl $FUTEX_WAIT, %ecx - orl PRIVATE(%ebx), %ecx -#endif - xorl %esi, %esi - xorl %edx, %edx - movl $SYS_futex, %eax - ENTER_KERNEL - movl %eax, %esi - - movl (%esp), %eax - call __pthread_disable_asynccancel -.LcleanupEND: - - testl %esi, %esi - je 3f - cmpl $-EWOULDBLOCK, %esi - jne 4f - -3: - movl (%ebx), %eax -5: testl %eax, %eax - je 6b - - leal -1(%eax), %edx - LOCK - cmpxchgl %edx, (%ebx) - jne 5b - - LOCK - decl NWAITERS(%ebx) - jmp 7b - -4: LOCK - decl NWAITERS(%ebx) - - negl %esi -#ifdef PIC - SETUP_PIC_REG(bx) -#else - movl $8f, %ebx -8: -#endif - addl $_GLOBAL_OFFSET_TABLE_, %ebx -#ifdef NO_TLS_DIRECT_SEG_REFS - movl errno@gotntpoff(%ebx), %edx - addl %gs:0, %edx - movl %esi, (%edx) -#else - movl errno@gotntpoff(%ebx), %edx - movl %esi, %gs:(%edx) -#endif - orl $-1, %eax - - jmp 9b - .size __new_sem_wait,.-__new_sem_wait - versioned_symbol(libpthread, __new_sem_wait, sem_wait, GLIBC_2_1) - - - .type sem_wait_cleanup,@function -sem_wait_cleanup: - LOCK - decl NWAITERS(%ebx) - movl %eax, (%esp) -.LcallUR: - call _Unwind_Resume@PLT - hlt -.LENDCODE: - .size sem_wait_cleanup,.-sem_wait_cleanup - - - .section .gcc_except_table,"a",@progbits -.LexceptSTART: - .byte 0xff # @LPStart format (omit) - .byte 0xff # @TType format (omit) - .byte 0x01 # call-site format - # DW_EH_PE_uleb128 - .uleb128 .Lcstend-.Lcstbegin -.Lcstbegin: - .uleb128 .LcleanupSTART-.LSTARTCODE - .uleb128 .LcleanupEND-.LcleanupSTART - .uleb128 sem_wait_cleanup-.LSTARTCODE - .uleb128 0 - .uleb128 .LcallUR-.LSTARTCODE - .uleb128 .LENDCODE-.LcallUR - .uleb128 0 - .uleb128 0 -.Lcstend: - - - .section .eh_frame,"a",@progbits -.LSTARTFRAME: - .long .LENDCIE-.LSTARTCIE # Length of the CIE. -.LSTARTCIE: - .long 0 # CIE ID. - .byte 1 # Version number. -#ifdef SHARED - .string "zPLR" # NUL-terminated augmentation - # string. -#else - .string "zPL" # NUL-terminated augmentation - # string. -#endif - .uleb128 1 # Code alignment factor. - .sleb128 -4 # Data alignment factor. - .byte 8 # Return address register - # column. -#ifdef SHARED - .uleb128 7 # Augmentation value length. - .byte 0x9b # Personality: DW_EH_PE_pcrel - # + DW_EH_PE_sdata4 - # + DW_EH_PE_indirect - .long DW.ref.__gcc_personality_v0-. - .byte 0x1b # LSDA Encoding: DW_EH_PE_pcrel - # + DW_EH_PE_sdata4. - .byte 0x1b # FDE Encoding: DW_EH_PE_pcrel - # + DW_EH_PE_sdata4. -#else - .uleb128 6 # Augmentation value length. - .byte 0x0 # Personality: absolute - .long __gcc_personality_v0 - .byte 0x0 # LSDA Encoding: absolute -#endif - .byte 0x0c # DW_CFA_def_cfa - .uleb128 4 - .uleb128 4 - .byte 0x88 # DW_CFA_offset, column 0x10 - .uleb128 1 - .align 4 -.LENDCIE: - - .long .LENDFDE-.LSTARTFDE # Length of the FDE. -.LSTARTFDE: - .long .LSTARTFDE-.LSTARTFRAME # CIE pointer. -#ifdef SHARED - .long .LSTARTCODE-. # PC-relative start address - # of the code. -#else - .long .LSTARTCODE # Start address of the code. -#endif - .long .LENDCODE-.LSTARTCODE # Length of the code. - .uleb128 4 # Augmentation size -#ifdef SHARED - .long .LexceptSTART-. -#else - .long .LexceptSTART -#endif - - .byte 4 # DW_CFA_advance_loc4 - .long .Lpush_ebx-.LSTARTCODE - .byte 14 # DW_CFA_def_cfa_offset - .uleb128 8 - .byte 0x83 # DW_CFA_offset %ebx - .uleb128 2 - .byte 4 # DW_CFA_advance_loc4 - .long .Lpush_esi-.Lpush_ebx - .byte 14 # DW_CFA_def_cfa_offset - .uleb128 12 - .byte 0x86 # DW_CFA_offset %esi - .uleb128 3 - .byte 4 # DW_CFA_advance_loc4 - .long .Lsub_esp-.Lpush_esi - .byte 14 # DW_CFA_def_cfa_offset - .uleb128 16 - .byte 4 # DW_CFA_advance_loc4 - .long .Ladd_esp-.Lsub_esp - .byte 14 # DW_CFA_def_cfa_offset - .uleb128 4 - .byte 0xc3 # DW_CFA_restore %ebx - .byte 0xc6 # DW_CFA_restore %esi - .byte 4 # DW_CFA_advance_loc4 - .long .Lafter_ret-.Ladd_esp - .byte 14 # DW_CFA_def_cfa_offset - .uleb128 16 - .byte 0x83 # DW_CFA_offset %ebx - .uleb128 2 - .byte 0x86 # DW_CFA_offset %esi - .uleb128 3 - .align 4 -.LENDFDE: - - -#ifdef SHARED - .hidden DW.ref.__gcc_personality_v0 - .weak DW.ref.__gcc_personality_v0 - .section .gnu.linkonce.d.DW.ref.__gcc_personality_v0,"aw",@progbits - .align 4 - .type DW.ref.__gcc_personality_v0, @object - .size DW.ref.__gcc_personality_v0, 4 -DW.ref.__gcc_personality_v0: - .long __gcc_personality_v0 -#endif - - -#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1) - .section ".text.compat", "ax" - .global __old_sem_wait - .type __old_sem_wait,@function - .align 16 - cfi_startproc -__old_sem_wait: - pushl %ebx - cfi_adjust_cfa_offset(4) - pushl %esi - cfi_adjust_cfa_offset(4) - subl $4, %esp - cfi_adjust_cfa_offset(4) - - movl 16(%esp), %ebx - cfi_offset(ebx, -8) - - cfi_offset(esi, -12) -3: movl (%ebx), %eax -2: testl %eax, %eax - je 1f - - leal -1(%eax), %edx - LOCK - cmpxchgl %edx, (%ebx) - jne 2b - xorl %eax, %eax - -5: movl 4(%esp), %esi - movl 8(%esp), %ebx - addl $12, %esp - cfi_restore(ebx) - cfi_restore(esi) - cfi_adjust_cfa_offset(-12) - ret - - cfi_adjust_cfa_offset(12) - cfi_offset(ebx, -8) - cfi_offset(esi, -12) -1: call __pthread_enable_asynccancel - movl %eax, (%esp) - - xorl %esi, %esi - movl $SYS_futex, %eax - movl %esi, %ecx - movl %esi, %edx - ENTER_KERNEL - movl %eax, %esi - - movl (%esp), %eax - call __pthread_disable_asynccancel - - testl %esi, %esi - je 3b - cmpl $-EWOULDBLOCK, %esi - je 3b - negl %esi -#ifdef PIC - SETUP_PIC_REG(bx) -#else - movl $4f, %ebx -4: -#endif - addl $_GLOBAL_OFFSET_TABLE_, %ebx -#ifdef NO_TLS_DIRECT_SEG_REFS - movl errno@gotntpoff(%ebx), %edx - addl %gs:0, %edx - movl %esi, (%edx) -#else - movl errno@gotntpoff(%ebx), %edx - movl %esi, %gs:(%edx) -#endif - orl $-1, %eax - jmp 5b - cfi_endproc - .size __old_sem_wait,.-__old_sem_wait - compat_symbol(libpthread, __old_sem_wait, sem_wait, GLIBC_2_0) -#endif diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i586/libc-lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/i386/i586/libc-lowlevellock.S deleted file mode 100644 index f567c1d6d5..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i586/libc-lowlevellock.S +++ /dev/null @@ -1 +0,0 @@ -#include "../i486/libc-lowlevellock.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i586/lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/i386/i586/lowlevellock.S deleted file mode 100644 index 0c3acf811c..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i586/lowlevellock.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include "../i486/lowlevellock.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i586/lowlevelrobustlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i586/lowlevelrobustlock.S deleted file mode 100644 index 3c0b4251cc..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i586/lowlevelrobustlock.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include "../i486/lowlevelrobustlock.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_barrier_wait.S b/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_barrier_wait.S deleted file mode 100644 index f92b35f53c..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_barrier_wait.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include "../i486/pthread_barrier_wait.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_cond_broadcast.S b/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_cond_broadcast.S deleted file mode 100644 index 94a4f547cf..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_cond_broadcast.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/pthread_cond_broadcast.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_cond_signal.S b/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_cond_signal.S deleted file mode 100644 index bb24e30759..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_cond_signal.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/pthread_cond_signal.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_cond_timedwait.S b/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_cond_timedwait.S deleted file mode 100644 index bde665529e..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_cond_timedwait.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/pthread_cond_timedwait.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_cond_wait.S b/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_cond_wait.S deleted file mode 100644 index be30c3084b..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_cond_wait.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/pthread_cond_wait.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_rwlock_rdlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_rwlock_rdlock.S deleted file mode 100644 index 85127c7824..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_rwlock_rdlock.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/pthread_rwlock_rdlock.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_rwlock_timedrdlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_rwlock_timedrdlock.S deleted file mode 100644 index 5a843e5986..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_rwlock_timedrdlock.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/pthread_rwlock_timedrdlock.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_rwlock_timedwrlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_rwlock_timedwrlock.S deleted file mode 100644 index a8ca4cf51a..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_rwlock_timedwrlock.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/pthread_rwlock_timedwrlock.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_rwlock_unlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_rwlock_unlock.S deleted file mode 100644 index 8018c8fa98..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_rwlock_unlock.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/pthread_rwlock_unlock.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_rwlock_wrlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_rwlock_wrlock.S deleted file mode 100644 index 0b4cfa8637..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i586/pthread_rwlock_wrlock.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/pthread_rwlock_wrlock.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i586/sem_post.S b/nptl/sysdeps/unix/sysv/linux/i386/i586/sem_post.S deleted file mode 100644 index 28ebd2746e..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i586/sem_post.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/sem_post.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i586/sem_timedwait.S b/nptl/sysdeps/unix/sysv/linux/i386/i586/sem_timedwait.S deleted file mode 100644 index 46f19590aa..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i586/sem_timedwait.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/sem_timedwait.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i586/sem_trywait.S b/nptl/sysdeps/unix/sysv/linux/i386/i586/sem_trywait.S deleted file mode 100644 index bce1cbca1f..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i586/sem_trywait.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/sem_trywait.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i586/sem_wait.S b/nptl/sysdeps/unix/sysv/linux/i386/i586/sem_wait.S deleted file mode 100644 index abe0e9fbdb..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i586/sem_wait.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/sem_wait.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i686/dl-sysdep.h b/nptl/sysdeps/unix/sysv/linux/i386/i686/dl-sysdep.h deleted file mode 100644 index 3c71fb7041..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i686/dl-sysdep.h +++ /dev/null @@ -1,29 +0,0 @@ -/* System-specific settings for dynamic linker code. IA-32 version. - Copyright (C) 2002-2014 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 - <http://www.gnu.org/licenses/>. */ - -#ifndef _LINUX_I686_DL_SYSDEP_H -#define _LINUX_I686_DL_SYSDEP_H 1 - -/* The i386 file does most of the work. */ -#include_next <dl-sysdep.h> - -/* Actually use the vDSO entry point for syscalls. - i386/dl-sysdep.h arranges to support it, but not use it. */ -#define USE_DL_SYSINFO 1 - -#endif /* dl-sysdep.h */ diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i686/libc-lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/i386/i686/libc-lowlevellock.S deleted file mode 100644 index f567c1d6d5..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i686/libc-lowlevellock.S +++ /dev/null @@ -1 +0,0 @@ -#include "../i486/libc-lowlevellock.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i686/lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/i386/i686/lowlevellock.S deleted file mode 100644 index 0c3acf811c..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i686/lowlevellock.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include "../i486/lowlevellock.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i686/lowlevelrobustlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i686/lowlevelrobustlock.S deleted file mode 100644 index 3c0b4251cc..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i686/lowlevelrobustlock.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include "../i486/lowlevelrobustlock.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_barrier_wait.S b/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_barrier_wait.S deleted file mode 100644 index f92b35f53c..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_barrier_wait.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include "../i486/pthread_barrier_wait.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_cond_broadcast.S b/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_cond_broadcast.S deleted file mode 100644 index 94a4f547cf..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_cond_broadcast.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/pthread_cond_broadcast.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_cond_signal.S b/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_cond_signal.S deleted file mode 100644 index bb24e30759..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_cond_signal.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/pthread_cond_signal.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_cond_timedwait.S b/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_cond_timedwait.S deleted file mode 100644 index 12f67620d0..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_cond_timedwait.S +++ /dev/null @@ -1,20 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#define HAVE_CMOV 1 -#include "../i486/pthread_cond_timedwait.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_cond_wait.S b/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_cond_wait.S deleted file mode 100644 index be30c3084b..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_cond_wait.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/pthread_cond_wait.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_rwlock_rdlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_rwlock_rdlock.S deleted file mode 100644 index 85127c7824..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_rwlock_rdlock.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/pthread_rwlock_rdlock.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_rwlock_timedrdlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_rwlock_timedrdlock.S deleted file mode 100644 index 5a843e5986..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_rwlock_timedrdlock.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/pthread_rwlock_timedrdlock.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_rwlock_timedwrlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_rwlock_timedwrlock.S deleted file mode 100644 index a8ca4cf51a..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_rwlock_timedwrlock.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/pthread_rwlock_timedwrlock.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_rwlock_unlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_rwlock_unlock.S deleted file mode 100644 index e52344b66a..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_rwlock_unlock.S +++ /dev/null @@ -1,20 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#define HAVE_CMOV 1 -#include "../i486/pthread_rwlock_unlock.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_rwlock_wrlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_rwlock_wrlock.S deleted file mode 100644 index 0b4cfa8637..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i686/pthread_rwlock_wrlock.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/pthread_rwlock_wrlock.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i686/sem_post.S b/nptl/sysdeps/unix/sysv/linux/i386/i686/sem_post.S deleted file mode 100644 index 28ebd2746e..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i686/sem_post.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/sem_post.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i686/sem_timedwait.S b/nptl/sysdeps/unix/sysv/linux/i386/i686/sem_timedwait.S deleted file mode 100644 index 46f19590aa..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i686/sem_timedwait.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/sem_timedwait.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i686/sem_trywait.S b/nptl/sysdeps/unix/sysv/linux/i386/i686/sem_trywait.S deleted file mode 100644 index bce1cbca1f..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i686/sem_trywait.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/sem_trywait.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i686/sem_wait.S b/nptl/sysdeps/unix/sysv/linux/i386/i686/sem_wait.S deleted file mode 100644 index abe0e9fbdb..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i686/sem_wait.S +++ /dev/null @@ -1,19 +0,0 @@ -/* Copyright (C) 2003-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - 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 - <http://www.gnu.org/licenses/>. */ - -#include "../i486/sem_wait.S" diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i786/Implies b/nptl/sysdeps/unix/sysv/linux/i386/i786/Implies deleted file mode 100644 index 7cb7d9a678..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/i786/Implies +++ /dev/null @@ -1,2 +0,0 @@ -# The PPro and PII cores are mostly the same. -unix/sysv/linux/i386/i686 diff --git a/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h deleted file mode 100644 index 6903f92bd0..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h +++ /dev/null @@ -1,463 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#ifndef _LOWLEVELLOCK_H -#define _LOWLEVELLOCK_H 1 - -#include <stap-probe.h> - -#ifndef __ASSEMBLER__ -# include <time.h> -# include <sys/param.h> -# include <bits/pthreadtypes.h> -# include <kernel-features.h> -# include <tcb-offsets.h> - -# ifndef LOCK_INSTR -# ifdef UP -# define LOCK_INSTR /* nothing */ -# else -# define LOCK_INSTR "lock;" -# endif -# endif -#else -# ifndef LOCK -# ifdef UP -# define LOCK -# else -# define LOCK lock -# endif -# endif -#endif - -#define SYS_futex 240 -#define FUTEX_WAIT 0 -#define FUTEX_WAKE 1 -#define FUTEX_CMP_REQUEUE 4 -#define FUTEX_WAKE_OP 5 -#define FUTEX_LOCK_PI 6 -#define FUTEX_UNLOCK_PI 7 -#define FUTEX_TRYLOCK_PI 8 -#define FUTEX_WAIT_BITSET 9 -#define FUTEX_WAKE_BITSET 10 -#define FUTEX_WAIT_REQUEUE_PI 11 -#define FUTEX_CMP_REQUEUE_PI 12 -#define FUTEX_PRIVATE_FLAG 128 -#define FUTEX_CLOCK_REALTIME 256 - -#define FUTEX_BITSET_MATCH_ANY 0xffffffff - -#define FUTEX_OP_CLEAR_WAKE_IF_GT_ONE ((4 << 24) | 1) - -/* Values for 'private' parameter of locking macros. Yes, the - definition seems to be backwards. But it is not. The bit will be - reversed before passing to the system call. */ -#define LLL_PRIVATE 0 -#define LLL_SHARED FUTEX_PRIVATE_FLAG - - -#if !defined NOT_IN_libc || defined IS_IN_rtld -/* In libc.so or ld.so all futexes are private. */ -# ifdef __ASSUME_PRIVATE_FUTEX -# define __lll_private_flag(fl, private) \ - ((fl) | FUTEX_PRIVATE_FLAG) -# else -# define __lll_private_flag(fl, private) \ - ((fl) | THREAD_GETMEM (THREAD_SELF, header.private_futex)) -# endif -#else -# ifdef __ASSUME_PRIVATE_FUTEX -# define __lll_private_flag(fl, private) \ - (((fl) | FUTEX_PRIVATE_FLAG) ^ (private)) -# else -# define __lll_private_flag(fl, private) \ - (__builtin_constant_p (private) \ - ? ((private) == 0 \ - ? ((fl) | THREAD_GETMEM (THREAD_SELF, header.private_futex)) \ - : (fl)) \ - : ({ unsigned int __fl = ((private) ^ FUTEX_PRIVATE_FLAG); \ - asm ("andl %%gs:%P1, %0" : "+r" (__fl) \ - : "i" (offsetof (struct pthread, header.private_futex))); \ - __fl | (fl); })) -# endif -#endif - -#ifndef __ASSEMBLER__ - -/* Initializer for compatibility lock. */ -#define LLL_LOCK_INITIALIZER (0) -#define LLL_LOCK_INITIALIZER_LOCKED (1) -#define LLL_LOCK_INITIALIZER_WAITERS (2) - - -#ifdef PIC -# define LLL_EBX_LOAD "xchgl %2, %%ebx\n" -# define LLL_EBX_REG "D" -#else -# define LLL_EBX_LOAD -# define LLL_EBX_REG "b" -#endif - -#ifdef I386_USE_SYSENTER -# ifdef SHARED -# define LLL_ENTER_KERNEL "call *%%gs:%P6\n\t" -# else -# define LLL_ENTER_KERNEL "call *_dl_sysinfo\n\t" -# endif -#else -# define LLL_ENTER_KERNEL "int $0x80\n\t" -#endif - -/* Delay in spinlock loop. */ -#define BUSY_WAIT_NOP asm ("rep; nop") - -#define lll_futex_wait(futex, val, private) \ - lll_futex_timed_wait (futex, val, NULL, private) - - -#define lll_futex_timed_wait(futex, val, timeout, private) \ - ({ \ - int __status; \ - register __typeof (val) _val asm ("edx") = (val); \ - __asm __volatile (LLL_EBX_LOAD \ - LLL_ENTER_KERNEL \ - LLL_EBX_LOAD \ - : "=a" (__status) \ - : "0" (SYS_futex), LLL_EBX_REG (futex), "S" (timeout), \ - "c" (__lll_private_flag (FUTEX_WAIT, private)), \ - "d" (_val), "i" (offsetof (tcbhead_t, sysinfo)) \ - : "memory"); \ - __status; \ - }) - - -#define lll_futex_wake(futex, nr, private) \ - ({ \ - int __status; \ - register __typeof (nr) _nr asm ("edx") = (nr); \ - LIBC_PROBE (lll_futex_wake, 3, futex, nr, private); \ - __asm __volatile (LLL_EBX_LOAD \ - LLL_ENTER_KERNEL \ - LLL_EBX_LOAD \ - : "=a" (__status) \ - : "0" (SYS_futex), LLL_EBX_REG (futex), \ - "c" (__lll_private_flag (FUTEX_WAKE, private)), \ - "d" (_nr), \ - "i" (0) /* phony, to align next arg's number */, \ - "i" (offsetof (tcbhead_t, sysinfo))); \ - __status; \ - }) - - -/* NB: in the lll_trylock macro we simply return the value in %eax - after the cmpxchg instruction. In case the operation succeded this - value is zero. In case the operation failed, the cmpxchg instruction - has loaded the current value of the memory work which is guaranteed - to be nonzero. */ -#if defined NOT_IN_libc || defined UP -# define __lll_trylock_asm LOCK_INSTR "cmpxchgl %2, %1" -#else -# define __lll_trylock_asm "cmpl $0, %%gs:%P5\n\t" \ - "je 0f\n\t" \ - "lock\n" \ - "0:\tcmpxchgl %2, %1" -#endif - -#define lll_trylock(futex) \ - ({ int ret; \ - __asm __volatile (__lll_trylock_asm \ - : "=a" (ret), "=m" (futex) \ - : "r" (LLL_LOCK_INITIALIZER_LOCKED), "m" (futex), \ - "0" (LLL_LOCK_INITIALIZER), \ - "i" (MULTIPLE_THREADS_OFFSET) \ - : "memory"); \ - ret; }) - -#define lll_robust_trylock(futex, id) \ - ({ int ret; \ - __asm __volatile (LOCK_INSTR "cmpxchgl %2, %1" \ - : "=a" (ret), "=m" (futex) \ - : "r" (id), "m" (futex), \ - "0" (LLL_LOCK_INITIALIZER) \ - : "memory"); \ - ret; }) - - -#define lll_cond_trylock(futex) \ - ({ int ret; \ - __asm __volatile (LOCK_INSTR "cmpxchgl %2, %1" \ - : "=a" (ret), "=m" (futex) \ - : "r" (LLL_LOCK_INITIALIZER_WAITERS), \ - "m" (futex), "0" (LLL_LOCK_INITIALIZER) \ - : "memory"); \ - ret; }) - -#if defined NOT_IN_libc || defined UP -# define __lll_lock_asm_start LOCK_INSTR "cmpxchgl %1, %2\n\t" -#else -# define __lll_lock_asm_start "cmpl $0, %%gs:%P6\n\t" \ - "je 0f\n\t" \ - "lock\n" \ - "0:\tcmpxchgl %1, %2\n\t" -#endif - -#define lll_lock(futex, private) \ - (void) \ - ({ int ignore1, ignore2; \ - if (__builtin_constant_p (private) && (private) == LLL_PRIVATE) \ - __asm __volatile (__lll_lock_asm_start \ - "jz 18f\n\t" \ - "1:\tleal %2, %%ecx\n" \ - "2:\tcall __lll_lock_wait_private\n" \ - "18:" \ - : "=a" (ignore1), "=c" (ignore2), "=m" (futex) \ - : "0" (0), "1" (1), "m" (futex), \ - "i" (MULTIPLE_THREADS_OFFSET) \ - : "memory"); \ - else \ - { \ - int ignore3; \ - __asm __volatile (__lll_lock_asm_start \ - "jz 18f\n\t" \ - "1:\tleal %2, %%edx\n" \ - "0:\tmovl %8, %%ecx\n" \ - "2:\tcall __lll_lock_wait\n" \ - "18:" \ - : "=a" (ignore1), "=c" (ignore2), \ - "=m" (futex), "=&d" (ignore3) \ - : "1" (1), "m" (futex), \ - "i" (MULTIPLE_THREADS_OFFSET), "0" (0), \ - "g" ((int) (private)) \ - : "memory"); \ - } \ - }) - -#define lll_robust_lock(futex, id, private) \ - ({ int result, ignore1, ignore2; \ - __asm __volatile (LOCK_INSTR "cmpxchgl %1, %2\n\t" \ - "jz 18f\n\t" \ - "1:\tleal %2, %%edx\n" \ - "0:\tmovl %7, %%ecx\n" \ - "2:\tcall __lll_robust_lock_wait\n" \ - "18:" \ - : "=a" (result), "=c" (ignore1), "=m" (futex), \ - "=&d" (ignore2) \ - : "0" (0), "1" (id), "m" (futex), "g" ((int) (private))\ - : "memory"); \ - result; }) - - -/* Special version of lll_lock which causes the unlock function to - always wakeup waiters. */ -#define lll_cond_lock(futex, private) \ - (void) \ - ({ int ignore1, ignore2, ignore3; \ - __asm __volatile (LOCK_INSTR "cmpxchgl %1, %2\n\t" \ - "jz 18f\n\t" \ - "1:\tleal %2, %%edx\n" \ - "0:\tmovl %7, %%ecx\n" \ - "2:\tcall __lll_lock_wait\n" \ - "18:" \ - : "=a" (ignore1), "=c" (ignore2), "=m" (futex), \ - "=&d" (ignore3) \ - : "0" (0), "1" (2), "m" (futex), "g" ((int) (private))\ - : "memory"); \ - }) - - -#define lll_robust_cond_lock(futex, id, private) \ - ({ int result, ignore1, ignore2; \ - __asm __volatile (LOCK_INSTR "cmpxchgl %1, %2\n\t" \ - "jz 18f\n\t" \ - "1:\tleal %2, %%edx\n" \ - "0:\tmovl %7, %%ecx\n" \ - "2:\tcall __lll_robust_lock_wait\n" \ - "18:" \ - : "=a" (result), "=c" (ignore1), "=m" (futex), \ - "=&d" (ignore2) \ - : "0" (0), "1" (id | FUTEX_WAITERS), "m" (futex), \ - "g" ((int) (private)) \ - : "memory"); \ - result; }) - - -#define lll_timedlock(futex, timeout, private) \ - ({ int result, ignore1, ignore2, ignore3; \ - __asm __volatile (LOCK_INSTR "cmpxchgl %1, %3\n\t" \ - "jz 18f\n\t" \ - "1:\tleal %3, %%ecx\n" \ - "0:\tmovl %8, %%edx\n" \ - "2:\tcall __lll_timedlock_wait\n" \ - "18:" \ - : "=a" (result), "=c" (ignore1), "=&d" (ignore2), \ - "=m" (futex), "=S" (ignore3) \ - : "0" (0), "1" (1), "m" (futex), "m" (timeout), \ - "4" ((int) (private)) \ - : "memory"); \ - result; }) - -extern int __lll_timedlock_elision (int *futex, short *adapt_count, - const struct timespec *timeout, - int private) attribute_hidden; - -#define lll_timedlock_elision(futex, adapt_count, timeout, private) \ - __lll_timedlock_elision(&(futex), &(adapt_count), timeout, private) - -#define lll_robust_timedlock(futex, timeout, id, private) \ - ({ int result, ignore1, ignore2, ignore3; \ - __asm __volatile (LOCK_INSTR "cmpxchgl %1, %3\n\t" \ - "jz 18f\n\t" \ - "1:\tleal %3, %%ecx\n" \ - "0:\tmovl %8, %%edx\n" \ - "2:\tcall __lll_robust_timedlock_wait\n" \ - "18:" \ - : "=a" (result), "=c" (ignore1), "=&d" (ignore2), \ - "=m" (futex), "=S" (ignore3) \ - : "0" (0), "1" (id), "m" (futex), "m" (timeout), \ - "4" ((int) (private)) \ - : "memory"); \ - result; }) - -#if defined NOT_IN_libc || defined UP -# define __lll_unlock_asm LOCK_INSTR "subl $1, %0\n\t" -#else -# define __lll_unlock_asm "cmpl $0, %%gs:%P3\n\t" \ - "je 0f\n\t" \ - "lock\n" \ - "0:\tsubl $1,%0\n\t" -#endif - -#define lll_unlock(futex, private) \ - (void) \ - ({ int ignore; \ - if (__builtin_constant_p (private) && (private) == LLL_PRIVATE) \ - __asm __volatile (__lll_unlock_asm \ - "je 18f\n\t" \ - "1:\tleal %0, %%eax\n" \ - "2:\tcall __lll_unlock_wake_private\n" \ - "18:" \ - : "=m" (futex), "=&a" (ignore) \ - : "m" (futex), "i" (MULTIPLE_THREADS_OFFSET) \ - : "memory"); \ - else \ - { \ - int ignore2; \ - __asm __volatile (__lll_unlock_asm \ - "je 18f\n\t" \ - "1:\tleal %0, %%eax\n" \ - "0:\tmovl %5, %%ecx\n" \ - "2:\tcall __lll_unlock_wake\n" \ - "18:" \ - : "=m" (futex), "=&a" (ignore), "=&c" (ignore2) \ - : "i" (MULTIPLE_THREADS_OFFSET), "m" (futex), \ - "g" ((int) (private)) \ - : "memory"); \ - } \ - }) - -#define lll_robust_unlock(futex, private) \ - (void) \ - ({ int ignore, ignore2; \ - __asm __volatile (LOCK_INSTR "andl %3, %0\n\t" \ - "je 18f\n\t" \ - "1:\tleal %0, %%eax\n" \ - "0:\tmovl %5, %%ecx\n" \ - "2:\tcall __lll_unlock_wake\n" \ - "18:" \ - : "=m" (futex), "=&a" (ignore), "=&c" (ignore2) \ - : "i" (FUTEX_WAITERS), "m" (futex), \ - "g" ((int) (private)) \ - : "memory"); \ - }) - - -#define lll_robust_dead(futex, private) \ - (void) \ - ({ int __ignore; \ - register int _nr asm ("edx") = 1; \ - __asm __volatile (LOCK_INSTR "orl %5, (%2)\n\t" \ - LLL_EBX_LOAD \ - LLL_ENTER_KERNEL \ - LLL_EBX_LOAD \ - : "=a" (__ignore) \ - : "0" (SYS_futex), LLL_EBX_REG (&(futex)), \ - "c" (__lll_private_flag (FUTEX_WAKE, private)), \ - "d" (_nr), "i" (FUTEX_OWNER_DIED), \ - "i" (offsetof (tcbhead_t, sysinfo))); \ - }) - -#define lll_islocked(futex) \ - (futex != LLL_LOCK_INITIALIZER) - -/* The kernel notifies a process which uses CLONE_CHILD_CLEARTID via futex - wakeup when the clone terminates. The memory location contains the - thread ID while the clone is running and is reset to zero - afterwards. - - The macro parameter must not have any side effect. */ -#define lll_wait_tid(tid) \ - do { \ - int __ignore; \ - register __typeof (tid) _tid asm ("edx") = (tid); \ - if (_tid != 0) \ - __asm __volatile (LLL_EBX_LOAD \ - "1:\tmovl %1, %%eax\n\t" \ - LLL_ENTER_KERNEL \ - "cmpl $0, (%%ebx)\n\t" \ - "jne 1b\n\t" \ - LLL_EBX_LOAD \ - : "=&a" (__ignore) \ - : "i" (SYS_futex), LLL_EBX_REG (&tid), "S" (0), \ - "c" (FUTEX_WAIT), "d" (_tid), \ - "i" (offsetof (tcbhead_t, sysinfo)) \ - : "memory"); \ - } while (0) - -extern int __lll_timedwait_tid (int *tid, const struct timespec *abstime) - __attribute__ ((regparm (2))) attribute_hidden; -#define lll_timedwait_tid(tid, abstime) \ - ({ \ - int __result = 0; \ - if (tid != 0) \ - { \ - if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000) \ - __result = EINVAL; \ - else \ - __result = __lll_timedwait_tid (&tid, abstime); \ - } \ - __result; }) - -extern int __lll_lock_elision (int *futex, short *adapt_count, int private) - attribute_hidden; - -extern int __lll_unlock_elision(int *lock, int private) - attribute_hidden; - -extern int __lll_trylock_elision(int *lock, short *adapt_count) - attribute_hidden; - -#define lll_lock_elision(futex, adapt_count, private) \ - __lll_lock_elision (&(futex), &(adapt_count), private) -#define lll_unlock_elision(futex, private) \ - __lll_unlock_elision (&(futex), private) -#define lll_trylock_elision(futex, adapt_count) \ - __lll_trylock_elision(&(futex), &(adapt_count)) - -#endif /* !__ASSEMBLER__ */ - -#endif /* lowlevellock.h */ diff --git a/nptl/sysdeps/unix/sysv/linux/i386/pthread_once.S b/nptl/sysdeps/unix/sysv/linux/i386/pthread_once.S deleted file mode 100644 index dacd724d8b..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/pthread_once.S +++ /dev/null @@ -1,178 +0,0 @@ -/* Copyright (C) 2002-2014 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, see - <http://www.gnu.org/licenses/>. */ - -#include <unwindbuf.h> -#include <sysdep.h> -#include <kernel-features.h> -#include <lowlevellock.h> - - - .comm __fork_generation, 4, 4 - - .text - - - .globl __pthread_once - .type __pthread_once,@function - .align 16 - cfi_startproc -__pthread_once: - movl 4(%esp), %ecx - testl $2, (%ecx) - jz 1f - xorl %eax, %eax - ret - -1: pushl %ebx - cfi_adjust_cfa_offset (4) - cfi_rel_offset (3, 0) - pushl %esi - cfi_adjust_cfa_offset (4) - cfi_rel_offset (6, 0) - movl %ecx, %ebx - xorl %esi, %esi - - /* Not yet initialized or initialization in progress. - Get the fork generation counter now. */ -6: movl (%ebx), %eax -#ifdef PIC - LOAD_PIC_REG(cx) -#endif - -5: movl %eax, %edx - - testl $2, %eax - jnz 4f - - andl $3, %edx -#ifdef PIC - orl __fork_generation@GOTOFF(%ecx), %edx -#else - orl __fork_generation, %edx -#endif - orl $1, %edx - - LOCK - cmpxchgl %edx, (%ebx) - jnz 5b - - /* Check whether another thread already runs the initializer. */ - testl $1, %eax - jz 3f /* No -> do it. */ - - /* Check whether the initializer execution was interrupted - by a fork. */ - xorl %edx, %eax - testl $0xfffffffc, %eax - jnz 3f /* Different for generation -> run initializer. */ - - /* Somebody else got here first. Wait. */ -#ifdef __ASSUME_PRIVATE_FUTEX - movl $FUTEX_WAIT|FUTEX_PRIVATE_FLAG, %ecx -#else -# if FUTEX_WAIT == 0 - movl %gs:PRIVATE_FUTEX, %ecx -# else - movl $FUTEX_WAIT, %ecx - orl %gs:PRIVATE_FUTEX, %ecx -# endif -#endif - movl $SYS_futex, %eax - ENTER_KERNEL - jmp 6b - -3: /* Call the initializer function after setting up the - cancellation handler. Note that it is not possible here - to use the unwind-based cleanup handling. This would require - that the user-provided function and all the code it calls - is compiled with exceptions. Unfortunately this cannot be - guaranteed. */ - subl $UNWINDBUFSIZE+8, %esp - cfi_adjust_cfa_offset (UNWINDBUFSIZE+8) - movl %ecx, %ebx /* PIC register value. */ - - leal 8+UWJMPBUF(%esp), %eax - movl $0, 4(%esp) - movl %eax, (%esp) - call __sigsetjmp@PLT - testl %eax, %eax - jne 7f - - leal 8(%esp), %eax - call HIDDEN_JUMPTARGET(__pthread_register_cancel) - - /* Call the user-provided initialization function. */ - call *24+UNWINDBUFSIZE(%esp) - - /* Pop the cleanup handler. */ - leal 8(%esp), %eax - call HIDDEN_JUMPTARGET(__pthread_unregister_cancel) - addl $UNWINDBUFSIZE+8, %esp - cfi_adjust_cfa_offset (-UNWINDBUFSIZE-8) - - /* Sucessful run of the initializer. Signal that we are done. */ - movl 12(%esp), %ebx - LOCK - addl $1, (%ebx) - - /* Wake up all other threads. */ - movl $0x7fffffff, %edx -#ifdef __ASSUME_PRIVATE_FUTEX - movl $FUTEX_WAKE|FUTEX_PRIVATE_FLAG, %ecx -#else - movl $FUTEX_WAKE, %ecx - orl %gs:PRIVATE_FUTEX, %ecx -#endif - movl $SYS_futex, %eax - ENTER_KERNEL - -4: popl %esi - cfi_adjust_cfa_offset (-4) - cfi_restore (6) - popl %ebx - cfi_adjust_cfa_offset (-4) - cfi_restore (3) - xorl %eax, %eax - ret - -7: /* __sigsetjmp returned for the second time. */ - movl 20+UNWINDBUFSIZE(%esp), %ebx - cfi_adjust_cfa_offset (UNWINDBUFSIZE+16) - cfi_offset (3, -8) - cfi_offset (6, -12) - movl $0, (%ebx) - - movl $0x7fffffff, %edx -#ifdef __ASSUME_PRIVATE_FUTEX - movl $FUTEX_WAKE|FUTEX_PRIVATE_FLAG, %ecx -#else - movl $FUTEX_WAKE, %ecx - orl %gs:PRIVATE_FUTEX, %ecx -#endif - movl $SYS_futex, %eax - ENTER_KERNEL - - leal 8(%esp), %eax - call HIDDEN_JUMPTARGET (__pthread_unwind_next) - /* NOTREACHED */ - hlt - cfi_endproc - .size __pthread_once,.-__pthread_once - -hidden_def (__pthread_once) -strong_alias (__pthread_once, pthread_once) diff --git a/nptl/sysdeps/unix/sysv/linux/i386/smp.h b/nptl/sysdeps/unix/sysv/linux/i386/smp.h deleted file mode 100644 index 072e01081e..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/smp.h +++ /dev/null @@ -1,55 +0,0 @@ -/* Determine whether the host has multiple processors. Linux version. - Copyright (C) 1996-2014 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 Library General Public License as - published by the Free Software Foundation; either version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If - not, see <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <fcntl.h> -#include <string.h> -#include <sys/utsname.h> -#include <not-cancel.h> - -/* Test whether the machine has more than one processor. This is not the - best test but good enough. More complicated tests would require `malloc' - which is not available at that time. */ -static inline int -is_smp_system (void) -{ - union - { - struct utsname uts; - char buf[512]; - } u; - char *cp; - - /* Try reading the number using `sysctl' first. */ - if (uname (&u.uts) == 0) - cp = u.uts.version; - else - { - /* This was not successful. Now try reading the /proc filesystem. */ - int fd = open_not_cancel_2 ("/proc/sys/kernel/version", O_RDONLY); - if (__builtin_expect (fd, 0) == -1 - || read_not_cancel (fd, u.buf, sizeof (u.buf)) <= 0) - /* This also didn't work. We give up and say it's a UP machine. */ - u.buf[0] = '\0'; - - close_not_cancel_no_status (fd); - cp = u.buf; - } - - return strstr (cp, "SMP") != NULL; -} diff --git a/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h deleted file mode 100644 index 4f4318d0bd..0000000000 --- a/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h +++ /dev/null @@ -1,153 +0,0 @@ -/* Copyright (C) 2002-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek <jakub@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, see - <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> -#include <tls.h> -#ifndef __ASSEMBLER__ -# include <nptl/pthreadP.h> -#endif - -#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt - -# undef PSEUDO -# define PSEUDO(name, syscall_name, args) \ - .text; \ - ENTRY (name) \ - cmpl $0, %gs:MULTIPLE_THREADS_OFFSET; \ - jne L(pseudo_cancel); \ - .type __##syscall_name##_nocancel,@function; \ - .globl __##syscall_name##_nocancel; \ - __##syscall_name##_nocancel: \ - DO_CALL (syscall_name, args); \ - cmpl $-4095, %eax; \ - jae SYSCALL_ERROR_LABEL; \ - ret; \ - .size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel; \ - L(pseudo_cancel): \ - CENABLE \ - SAVE_OLDTYPE_##args \ - PUSHCARGS_##args \ - DOCARGS_##args \ - movl $SYS_ify (syscall_name), %eax; \ - ENTER_KERNEL; \ - POPCARGS_##args; \ - POPSTATE_##args \ - cmpl $-4095, %eax; \ - jae SYSCALL_ERROR_LABEL - -# define SAVE_OLDTYPE_0 movl %eax, %ecx; -# define SAVE_OLDTYPE_1 SAVE_OLDTYPE_0 -# define SAVE_OLDTYPE_2 pushl %eax; cfi_adjust_cfa_offset (4); -# define SAVE_OLDTYPE_3 SAVE_OLDTYPE_2 -# define SAVE_OLDTYPE_4 SAVE_OLDTYPE_2 -# define SAVE_OLDTYPE_5 SAVE_OLDTYPE_2 -# define SAVE_OLDTYPE_6 SAVE_OLDTYPE_2 - -# define PUSHCARGS_0 /* No arguments to push. */ -# define DOCARGS_0 /* No arguments to frob. */ -# define POPCARGS_0 /* No arguments to pop. */ -# define _PUSHCARGS_0 /* No arguments to push. */ -# define _POPCARGS_0 /* No arguments to pop. */ - -# define PUSHCARGS_1 movl %ebx, %edx; cfi_register (ebx, edx); PUSHCARGS_0 -# define DOCARGS_1 _DOARGS_1 (4) -# define POPCARGS_1 POPCARGS_0; movl %edx, %ebx; cfi_restore (ebx); -# define _PUSHCARGS_1 pushl %ebx; cfi_adjust_cfa_offset (4); \ - cfi_rel_offset (ebx, 0); _PUSHCARGS_0 -# define _POPCARGS_1 _POPCARGS_0; popl %ebx; \ - cfi_adjust_cfa_offset (-4); cfi_restore (ebx); - -# define PUSHCARGS_2 PUSHCARGS_1 -# define DOCARGS_2 _DOARGS_2 (12) -# define POPCARGS_2 POPCARGS_1 -# define _PUSHCARGS_2 _PUSHCARGS_1 -# define _POPCARGS_2 _POPCARGS_1 - -# define PUSHCARGS_3 _PUSHCARGS_2 -# define DOCARGS_3 _DOARGS_3 (20) -# define POPCARGS_3 _POPCARGS_3 -# define _PUSHCARGS_3 _PUSHCARGS_2 -# define _POPCARGS_3 _POPCARGS_2 - -# define PUSHCARGS_4 _PUSHCARGS_4 -# define DOCARGS_4 _DOARGS_4 (28) -# define POPCARGS_4 _POPCARGS_4 -# define _PUSHCARGS_4 pushl %esi; cfi_adjust_cfa_offset (4); \ - cfi_rel_offset (esi, 0); _PUSHCARGS_3 -# define _POPCARGS_4 _POPCARGS_3; popl %esi; \ - cfi_adjust_cfa_offset (-4); cfi_restore (esi); - -# define PUSHCARGS_5 _PUSHCARGS_5 -# define DOCARGS_5 _DOARGS_5 (36) -# define POPCARGS_5 _POPCARGS_5 -# define _PUSHCARGS_5 pushl %edi; cfi_adjust_cfa_offset (4); \ - cfi_rel_offset (edi, 0); _PUSHCARGS_4 -# define _POPCARGS_5 _POPCARGS_4; popl %edi; \ - cfi_adjust_cfa_offset (-4); cfi_restore (edi); - -# define PUSHCARGS_6 _PUSHCARGS_6 -# define DOCARGS_6 _DOARGS_6 (44) -# define POPCARGS_6 _POPCARGS_6 -# define _PUSHCARGS_6 pushl %ebp; cfi_adjust_cfa_offset (4); \ - cfi_rel_offset (ebp, 0); _PUSHCARGS_5 -# define _POPCARGS_6 _POPCARGS_5; popl %ebp; \ - cfi_adjust_cfa_offset (-4); cfi_restore (ebp); - -# ifdef IS_IN_libpthread -# define CENABLE call __pthread_enable_asynccancel; -# define CDISABLE call __pthread_disable_asynccancel -# elif !defined NOT_IN_libc -# define CENABLE call __libc_enable_asynccancel; -# define CDISABLE call __libc_disable_asynccancel -# elif defined IS_IN_librt -# define CENABLE call __librt_enable_asynccancel; -# define CDISABLE call __librt_disable_asynccancel -# else -# error Unsupported library -# endif -# define POPSTATE_0 \ - pushl %eax; cfi_adjust_cfa_offset (4); movl %ecx, %eax; \ - CDISABLE; popl %eax; cfi_adjust_cfa_offset (-4); -# define POPSTATE_1 POPSTATE_0 -# define POPSTATE_2 xchgl (%esp), %eax; CDISABLE; popl %eax; \ - cfi_adjust_cfa_offset (-4); -# define POPSTATE_3 POPSTATE_2 -# define POPSTATE_4 POPSTATE_3 -# define POPSTATE_5 POPSTATE_4 -# define POPSTATE_6 POPSTATE_5 - -# ifndef __ASSEMBLER__ -# define SINGLE_THREAD_P \ - __builtin_expect (THREAD_GETMEM (THREAD_SELF, \ - header.multiple_threads) == 0, 1) -# else -# define SINGLE_THREAD_P cmpl $0, %gs:MULTIPLE_THREADS_OFFSET -# endif - -#elif !defined __ASSEMBLER__ - -# define SINGLE_THREAD_P (1) -# define NO_CANCELLATION 1 - -#endif - -#ifndef __ASSEMBLER__ -# define RTLD_SINGLE_THREAD_P \ - __builtin_expect (THREAD_GETMEM (THREAD_SELF, \ - header.multiple_threads) == 0, 1) -#endif |