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authorRoland McGrath <roland@hack.frob.com>2014-05-14 12:33:43 -0700
committerRoland McGrath <roland@hack.frob.com>2014-05-14 12:33:43 -0700
commitc96067bce58414214474bb5b42be86ffbf525670 (patch)
treef9513abfd26395bc43c7c62a17256f05230a3ae9 /nptl/sysdeps/unix/sysv
parentec136444ca77f7a64e2c3616fc560b6410a767d2 (diff)
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Move remaining nptl/sysdeps/unix/sysv/linux/x86_64/ files.
Diffstat (limited to 'nptl/sysdeps/unix/sysv')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/Implies1
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S117
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/libc-cancellation.S21
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S19
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/librt-cancellation.S21
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S462
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h476
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S306
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S160
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S179
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S164
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S840
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S555
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_once.S193
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S177
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S274
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S266
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S126
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S165
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_setaffinity.c14
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S75
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S380
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S47
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S176
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h109
25 files changed, 0 insertions, 5323 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/Implies b/nptl/sysdeps/unix/sysv/linux/x86_64/Implies
deleted file mode 100644
index ccc7eaa8a4..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/Implies
+++ /dev/null
@@ -1 +0,0 @@
-unix/sysv/linux/x86
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S b/nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S
deleted file mode 100644
index 89fda5efeb..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S
+++ /dev/null
@@ -1,117 +0,0 @@
-/* Copyright (C) 2009-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 2009.
-
- 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 <tcb-offsets.h>
-#include <kernel-features.h>
-#include "lowlevellock.h"
-
-#ifdef IS_IN_libpthread
-# if defined SHARED && !defined NO_HIDDEN
-# define __pthread_unwind __GI___pthread_unwind
-# endif
-#else
-# ifndef SHARED
- .weak __pthread_unwind
-# endif
-#endif
-
-
-#ifdef __ASSUME_PRIVATE_FUTEX
-# define LOAD_PRIVATE_FUTEX_WAIT(reg) \
- movl $(FUTEX_WAIT | FUTEX_PRIVATE_FLAG), reg
-#else
-# if FUTEX_WAIT == 0
-# define LOAD_PRIVATE_FUTEX_WAIT(reg) \
- movl %fs:PRIVATE_FUTEX, reg
-# else
-# define LOAD_PRIVATE_FUTEX_WAIT(reg) \
- movl %fs:PRIVATE_FUTEX, reg ; \
- orl $FUTEX_WAIT, reg
-# endif
-#endif
-
-/* It is crucial that the functions in this file don't modify registers
- other than %rax and %r11. The syscall wrapper code depends on this
- because it doesn't explicitly save the other registers which hold
- relevant values. */
- .text
-
- .hidden __pthread_enable_asynccancel
-ENTRY(__pthread_enable_asynccancel)
- movl %fs:CANCELHANDLING, %eax
-2: movl %eax, %r11d
- orl $TCB_CANCELTYPE_BITMASK, %r11d
- cmpl %eax, %r11d
- je 1f
-
- lock
- cmpxchgl %r11d, %fs:CANCELHANDLING
- jnz 2b
-
- andl $(TCB_CANCELSTATE_BITMASK|TCB_CANCELTYPE_BITMASK|TCB_CANCELED_BITMASK|TCB_EXITING_BITMASK|TCB_CANCEL_RESTMASK|TCB_TERMINATED_BITMASK), %r11d
- cmpl $(TCB_CANCELTYPE_BITMASK|TCB_CANCELED_BITMASK), %r11d
- je 3f
-
-1: ret
-
-3: subq $8, %rsp
- cfi_adjust_cfa_offset(8)
- LP_OP(mov) $TCB_PTHREAD_CANCELED, %fs:RESULT
- lock
- orl $TCB_EXITING_BITMASK, %fs:CANCELHANDLING
- mov %fs:CLEANUP_JMP_BUF, %RDI_LP
-#ifdef SHARED
- call __pthread_unwind@PLT
-#else
- call __pthread_unwind
-#endif
- hlt
-END(__pthread_enable_asynccancel)
-
-
- .hidden __pthread_disable_asynccancel
-ENTRY(__pthread_disable_asynccancel)
- testl $TCB_CANCELTYPE_BITMASK, %edi
- jnz 1f
-
- movl %fs:CANCELHANDLING, %eax
-2: movl %eax, %r11d
- andl $~TCB_CANCELTYPE_BITMASK, %r11d
- lock
- cmpxchgl %r11d, %fs:CANCELHANDLING
- jnz 2b
-
- movl %r11d, %eax
-3: andl $(TCB_CANCELING_BITMASK|TCB_CANCELED_BITMASK), %eax
- cmpl $TCB_CANCELING_BITMASK, %eax
- je 4f
-1: ret
-
- /* Performance doesn't matter in this loop. We will
- delay until the thread is canceled. And we will unlikely
- enter the loop twice. */
-4: mov %fs:0, %RDI_LP
- movl $__NR_futex, %eax
- xorq %r10, %r10
- addq $CANCELHANDLING, %rdi
- LOAD_PRIVATE_FUTEX_WAIT (%esi)
- syscall
- movl %fs:CANCELHANDLING, %eax
- jmp 3b
-END(__pthread_disable_asynccancel)
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/libc-cancellation.S b/nptl/sysdeps/unix/sysv/linux/x86_64/libc-cancellation.S
deleted file mode 100644
index 019e22fc89..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/libc-cancellation.S
+++ /dev/null
@@ -1,21 +0,0 @@
-/* Copyright (C) 2009-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 2009.
-
- 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 __pthread_enable_asynccancel __libc_enable_asynccancel
-#define __pthread_disable_asynccancel __libc_disable_asynccancel
-#include "cancellation.S"
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S
deleted file mode 100644
index 83e523174f..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/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/x86_64/librt-cancellation.S b/nptl/sysdeps/unix/sysv/linux/x86_64/librt-cancellation.S
deleted file mode 100644
index 02892effa7..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/librt-cancellation.S
+++ /dev/null
@@ -1,21 +0,0 @@
-/* Copyright (C) 2009-2014 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 2009.
-
- 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 __pthread_enable_asynccancel __librt_enable_asynccancel
-#define __pthread_disable_asynccancel __librt_disable_asynccancel
-#include "cancellation.S"
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
deleted file mode 100644
index f2dca070f3..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
+++ /dev/null
@@ -1,462 +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 %fs:PRIVATE_FUTEX, reg
-# else
-# define LOAD_PRIVATE_FUTEX_WAIT(reg) \
- movl %fs:PRIVATE_FUTEX, reg ; \
- orl $FUTEX_WAIT, reg
-# endif
-# define LOAD_PRIVATE_FUTEX_WAKE(reg) \
- movl %fs:PRIVATE_FUTEX, reg ; \
- orl $FUTEX_WAKE, reg
-# if FUTEX_WAIT == 0
-# define LOAD_FUTEX_WAIT(reg) \
- xorl $FUTEX_PRIVATE_FLAG, reg ; \
- andl %fs:PRIVATE_FUTEX, reg
-# else
-# define LOAD_FUTEX_WAIT(reg) \
- xorl $FUTEX_PRIVATE_FLAG, reg ; \
- andl %fs:PRIVATE_FUTEX, reg ; \
- orl $FUTEX_WAIT, reg
-# endif
-# define LOAD_FUTEX_WAIT_ABS(reg) \
- xorl $FUTEX_PRIVATE_FLAG, reg ; \
- andl %fs:PRIVATE_FUTEX, reg ; \
- orl $FUTEX_WAIT_BITSET | FUTEX_CLOCK_REALTIME, reg
-# define LOAD_FUTEX_WAKE(reg) \
- xorl $FUTEX_PRIVATE_FLAG, reg ; \
- andl %fs: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
- pushq %r10
- cfi_adjust_cfa_offset(8)
- pushq %rdx
- cfi_adjust_cfa_offset(8)
- cfi_offset(%r10, -16)
- cfi_offset(%rdx, -24)
- xorq %r10, %r10 /* No timeout. */
- movl $2, %edx
- LOAD_PRIVATE_FUTEX_WAIT (%esi)
-
- cmpl %edx, %eax /* NB: %edx == 2 */
- jne 2f
-
-1: LIBC_PROBE (lll_lock_wait_private, 1, %rdi)
- movl $SYS_futex, %eax
- syscall
-
-2: movl %edx, %eax
- xchgl %eax, (%rdi) /* NB: lock is implied */
-
- testl %eax, %eax
- jnz 1b
-
- popq %rdx
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%rdx)
- popq %r10
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r10)
- retq
- 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
- pushq %r10
- cfi_adjust_cfa_offset(8)
- pushq %rdx
- cfi_adjust_cfa_offset(8)
- cfi_offset(%r10, -16)
- cfi_offset(%rdx, -24)
- xorq %r10, %r10 /* No timeout. */
- movl $2, %edx
- LOAD_FUTEX_WAIT (%esi)
-
- cmpl %edx, %eax /* NB: %edx == 2 */
- jne 2f
-
-1: LIBC_PROBE (lll_lock_wait, 2, %rdi, %rsi)
- movl $SYS_futex, %eax
- syscall
-
-2: movl %edx, %eax
- xchgl %eax, (%rdi) /* NB: lock is implied */
-
- testl %eax, %eax
- jnz 1b
-
- popq %rdx
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%rdx)
- popq %r10
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r10)
- retq
- cfi_endproc
- .size __lll_lock_wait,.-__lll_lock_wait
-
- /* %rdi: futex
- %rsi: flags
- %rdx: timeout
- %eax: futex value
- */
- .globl __lll_timedlock_wait
- .type __lll_timedlock_wait,@function
- .hidden __lll_timedlock_wait
- .align 16
-__lll_timedlock_wait:
- cfi_startproc
-# ifndef __ASSUME_FUTEX_CLOCK_REALTIME
-# ifdef PIC
- cmpl $0, __have_futex_clock_realtime(%rip)
-# else
- cmpl $0, __have_futex_clock_realtime
-# endif
- je .Lreltmo
-# endif
-
- cmpq $0, (%rdx)
- js 5f
-
- pushq %r9
- cfi_adjust_cfa_offset(8)
- cfi_rel_offset(%r9, 0)
-
- movq %rdx, %r10
- movl $0xffffffff, %r9d
- LOAD_FUTEX_WAIT_ABS (%esi)
-
- movl $2, %edx
- cmpl %edx, %eax
- jne 2f
-
-1: movl $SYS_futex, %eax
- movl $2, %edx
- syscall
-
-2: xchgl %edx, (%rdi) /* 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
- popq %r9
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r9)
- retq
-
-5: movl $ETIMEDOUT, %eax
- retq
-
-# ifndef __ASSUME_FUTEX_CLOCK_REALTIME
-.Lreltmo:
- /* Check for a valid timeout value. */
- cmpq $1000000000, 8(%rdx)
- jae 3f
-
- pushq %r8
- cfi_adjust_cfa_offset(8)
- pushq %r9
- cfi_adjust_cfa_offset(8)
- pushq %r12
- cfi_adjust_cfa_offset(8)
- pushq %r13
- cfi_adjust_cfa_offset(8)
- pushq %r14
- cfi_adjust_cfa_offset(8)
- cfi_offset(%r8, -16)
- cfi_offset(%r9, -24)
- cfi_offset(%r12, -32)
- cfi_offset(%r13, -40)
- cfi_offset(%r14, -48)
- pushq %rsi
- cfi_adjust_cfa_offset(8)
-
- /* Stack frame for the timespec and timeval structs. */
- subq $24, %rsp
- cfi_adjust_cfa_offset(24)
-
- movq %rdi, %r12
- movq %rdx, %r13
-
- movl $2, %edx
- xchgl %edx, (%r12)
-
- testl %edx, %edx
- je 6f
-
-1:
- /* Get current time. */
- movq %rsp, %rdi
- xorl %esi, %esi
- /* This call works because we directly jump to a system call entry
- which preserves all the registers. */
- call JUMPTARGET(__gettimeofday)
-
- /* Compute relative timeout. */
- movq 8(%rsp), %rax
- movl $1000, %edi
- mul %rdi /* Milli seconds to nano seconds. */
- movq (%r13), %rdi
- movq 8(%r13), %rsi
- subq (%rsp), %rdi
- subq %rax, %rsi
- jns 4f
- addq $1000000000, %rsi
- decq %rdi
-4: testq %rdi, %rdi
- js 2f /* Time is already up. */
-
- /* Store relative timeout. */
- movq %rdi, (%rsp)
- movq %rsi, 8(%rsp)
-
- /* Futex call. */
- movl $2, %edx
- movl $1, %eax
- movq %rsp, %r10
- movl 24(%rsp), %esi
- LOAD_FUTEX_WAIT (%esi)
- movq %r12, %rdi
- movl $SYS_futex, %eax
- syscall
-
- /* NB: %edx == 2 */
- xchgl %edx, (%r12)
-
- testl %edx, %edx
- je 6f
-
- cmpl $-ETIMEDOUT, %eax
- jne 1b
-2: movl $ETIMEDOUT, %edx
-
-6: addq $32, %rsp
- cfi_adjust_cfa_offset(-32)
- popq %r14
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r14)
- popq %r13
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r13)
- popq %r12
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r12)
- popq %r9
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r9)
- popq %r8
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r8)
- movl %edx, %eax
- retq
-
-3: movl $EINVAL, %eax
- retq
-# 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
- pushq %rsi
- cfi_adjust_cfa_offset(8)
- pushq %rdx
- cfi_adjust_cfa_offset(8)
- cfi_offset(%rsi, -16)
- cfi_offset(%rdx, -24)
-
- movl $0, (%rdi)
- LOAD_PRIVATE_FUTEX_WAKE (%esi)
- movl $1, %edx /* Wake one thread. */
- movl $SYS_futex, %eax
- syscall
-
- popq %rdx
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%rdx)
- popq %rsi
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%rsi)
- retq
- 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
- pushq %rsi
- cfi_adjust_cfa_offset(8)
- pushq %rdx
- cfi_adjust_cfa_offset(8)
- cfi_offset(%rsi, -16)
- cfi_offset(%rdx, -24)
-
- movl $0, (%rdi)
- LOAD_FUTEX_WAKE (%esi)
- movl $1, %edx /* Wake one thread. */
- movl $SYS_futex, %eax
- syscall
-
- popq %rdx
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%rdx)
- popq %rsi
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%rsi)
- retq
- 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:
- cfi_startproc
- pushq %r12
- cfi_adjust_cfa_offset(8)
- pushq %r13
- cfi_adjust_cfa_offset(8)
- cfi_offset(%r12, -16)
- cfi_offset(%r13, -24)
-
- movq %rdi, %r12
- movq %rsi, %r13
-
- subq $16, %rsp
- cfi_adjust_cfa_offset(16)
-
- /* Get current time. */
-2: movq %rsp, %rdi
- xorl %esi, %esi
- /* This call works because we directly jump to a system call entry
- which preserves all the registers. */
- call JUMPTARGET(__gettimeofday)
-
- /* Compute relative timeout. */
- movq 8(%rsp), %rax
- movl $1000, %edi
- mul %rdi /* Milli seconds to nano seconds. */
- movq (%r13), %rdi
- movq 8(%r13), %rsi
- subq (%rsp), %rdi
- subq %rax, %rsi
- jns 5f
- addq $1000000000, %rsi
- decq %rdi
-5: testq %rdi, %rdi
- js 6f /* Time is already up. */
-
- movq %rdi, (%rsp) /* Store relative timeout. */
- movq %rsi, 8(%rsp)
-
- movl (%r12), %edx
- testl %edx, %edx
- jz 4f
-
- movq %rsp, %r10
- /* XXX The kernel so far uses global futex for the wakeup at
- all times. */
-#if FUTEX_WAIT == 0
- xorl %esi, %esi
-#else
- movl $FUTEX_WAIT, %esi
-#endif
- movq %r12, %rdi
- movl $SYS_futex, %eax
- syscall
-
- cmpl $0, (%rdi)
- jne 1f
-4: xorl %eax, %eax
-
-8: addq $16, %rsp
- cfi_adjust_cfa_offset(-16)
- popq %r13
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r13)
- popq %r12
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r12)
- retq
-
- cfi_adjust_cfa_offset(32)
-1: cmpq $-ETIMEDOUT, %rax
- jne 2b
-
-6: movl $ETIMEDOUT, %eax
- jmp 8b
- cfi_endproc
- .size __lll_timedwait_tid,.-__lll_timedwait_tid
-#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
deleted file mode 100644
index c13ca084df..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
+++ /dev/null
@@ -1,476 +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 __NR_futex
-#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
-
-#ifndef __ASSEMBLER__
-
-#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 %%fs:%P1, %0" : "+r" (__fl) \
- : "i" (offsetof (struct pthread, header.private_futex))); \
- __fl | (fl); }))
-# endif
-#endif
-
-/* Initializer for lock. */
-#define LLL_LOCK_INITIALIZER (0)
-#define LLL_LOCK_INITIALIZER_LOCKED (1)
-#define LLL_LOCK_INITIALIZER_WAITERS (2)
-
-/* 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) \
- ({ \
- register const struct timespec *__to __asm ("r10") = timeout; \
- int __status; \
- register __typeof (val) _val __asm ("edx") = (val); \
- __asm __volatile ("syscall" \
- : "=a" (__status) \
- : "0" (SYS_futex), "D" (futex), \
- "S" (__lll_private_flag (FUTEX_WAIT, private)), \
- "d" (_val), "r" (__to) \
- : "memory", "cc", "r11", "cx"); \
- __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 ("syscall" \
- : "=a" (__status) \
- : "0" (SYS_futex), "D" (futex), \
- "S" (__lll_private_flag (FUTEX_WAKE, private)), \
- "d" (_nr) \
- : "memory", "cc", "r10", "r11", "cx"); \
- __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, __libc_multiple_threads(%%rip)\n\t" \
- "je 0f\n\t" \
- "lock; cmpxchgl %2, %1\n\t" \
- "jmp 1f\n\t" \
- "0:\tcmpxchgl %2, %1\n\t" \
- "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) \
- : "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 %4, %2\n\t" \
- "jz 24f\n\t"
-#else
-# define __lll_lock_asm_start "cmpl $0, __libc_multiple_threads(%%rip)\n\t" \
- "je 0f\n\t" \
- "lock; cmpxchgl %4, %2\n\t" \
- "jnz 1f\n\t" \
- "jmp 24f\n" \
- "0:\tcmpxchgl %4, %2\n\t" \
- "jz 24f\n\t"
-#endif
-
-#define lll_lock(futex, private) \
- (void) \
- ({ int ignore1, ignore2, ignore3; \
- if (__builtin_constant_p (private) && (private) == LLL_PRIVATE) \
- __asm __volatile (__lll_lock_asm_start \
- "1:\tlea %2, %%" RDI_LP "\n" \
- "2:\tsub $128, %%" RSP_LP "\n" \
- ".cfi_adjust_cfa_offset 128\n" \
- "3:\tcallq __lll_lock_wait_private\n" \
- "4:\tadd $128, %%" RSP_LP "\n" \
- ".cfi_adjust_cfa_offset -128\n" \
- "24:" \
- : "=S" (ignore1), "=&D" (ignore2), "=m" (futex), \
- "=a" (ignore3) \
- : "0" (1), "m" (futex), "3" (0) \
- : "cx", "r11", "cc", "memory"); \
- else \
- __asm __volatile (__lll_lock_asm_start \
- "1:\tlea %2, %%" RDI_LP "\n" \
- "2:\tsub $128, %%" RSP_LP "\n" \
- ".cfi_adjust_cfa_offset 128\n" \
- "3:\tcallq __lll_lock_wait\n" \
- "4:\tadd $128, %%" RSP_LP "\n" \
- ".cfi_adjust_cfa_offset -128\n" \
- "24:" \
- : "=S" (ignore1), "=D" (ignore2), "=m" (futex), \
- "=a" (ignore3) \
- : "1" (1), "m" (futex), "3" (0), "0" (private) \
- : "cx", "r11", "cc", "memory"); \
- }) \
-
-#define lll_robust_lock(futex, id, private) \
- ({ int result, ignore1, ignore2; \
- __asm __volatile (LOCK_INSTR "cmpxchgl %4, %2\n\t" \
- "jz 24f\n" \
- "1:\tlea %2, %%" RDI_LP "\n" \
- "2:\tsub $128, %%" RSP_LP "\n" \
- ".cfi_adjust_cfa_offset 128\n" \
- "3:\tcallq __lll_robust_lock_wait\n" \
- "4:\tadd $128, %%" RSP_LP "\n" \
- ".cfi_adjust_cfa_offset -128\n" \
- "24:" \
- : "=S" (ignore1), "=D" (ignore2), "=m" (futex), \
- "=a" (result) \
- : "1" (id), "m" (futex), "3" (0), "0" (private) \
- : "cx", "r11", "cc", "memory"); \
- result; })
-
-#define lll_cond_lock(futex, private) \
- (void) \
- ({ int ignore1, ignore2, ignore3; \
- __asm __volatile (LOCK_INSTR "cmpxchgl %4, %2\n\t" \
- "jz 24f\n" \
- "1:\tlea %2, %%" RDI_LP "\n" \
- "2:\tsub $128, %%" RSP_LP "\n" \
- ".cfi_adjust_cfa_offset 128\n" \
- "3:\tcallq __lll_lock_wait\n" \
- "4:\tadd $128, %%" RSP_LP "\n" \
- ".cfi_adjust_cfa_offset -128\n" \
- "24:" \
- : "=S" (ignore1), "=D" (ignore2), "=m" (futex), \
- "=a" (ignore3) \
- : "1" (2), "m" (futex), "3" (0), "0" (private) \
- : "cx", "r11", "cc", "memory"); \
- })
-
-#define lll_robust_cond_lock(futex, id, private) \
- ({ int result, ignore1, ignore2; \
- __asm __volatile (LOCK_INSTR "cmpxchgl %4, %2\n\t" \
- "jz 24f\n" \
- "1:\tlea %2, %%" RDI_LP "\n" \
- "2:\tsub $128, %%" RSP_LP "\n" \
- ".cfi_adjust_cfa_offset 128\n" \
- "3:\tcallq __lll_robust_lock_wait\n" \
- "4:\tadd $128, %%" RSP_LP "\n" \
- ".cfi_adjust_cfa_offset -128\n" \
- "24:" \
- : "=S" (ignore1), "=D" (ignore2), "=m" (futex), \
- "=a" (result) \
- : "1" (id | FUTEX_WAITERS), "m" (futex), "3" (0), \
- "0" (private) \
- : "cx", "r11", "cc", "memory"); \
- result; })
-
-#define lll_timedlock(futex, timeout, private) \
- ({ int result, ignore1, ignore2, ignore3; \
- __asm __volatile (LOCK_INSTR "cmpxchgl %1, %4\n\t" \
- "jz 24f\n" \
- "1:\tlea %4, %%" RDI_LP "\n" \
- "0:\tmov %8, %%" RDX_LP "\n" \
- "2:\tsub $128, %%" RSP_LP "\n" \
- ".cfi_adjust_cfa_offset 128\n" \
- "3:\tcallq __lll_timedlock_wait\n" \
- "4:\tadd $128, %%" RSP_LP "\n" \
- ".cfi_adjust_cfa_offset -128\n" \
- "24:" \
- : "=a" (result), "=D" (ignore1), "=S" (ignore2), \
- "=&d" (ignore3), "=m" (futex) \
- : "0" (0), "1" (1), "m" (futex), "m" (timeout), \
- "2" (private) \
- : "memory", "cx", "cc", "r10", "r11"); \
- 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, %4\n\t" \
- "jz 24f\n\t" \
- "1:\tlea %4, %%" RDI_LP "\n" \
- "0:\tmov %8, %%" RDX_LP "\n" \
- "2:\tsub $128, %%" RSP_LP "\n" \
- ".cfi_adjust_cfa_offset 128\n" \
- "3:\tcallq __lll_robust_timedlock_wait\n" \
- "4:\tadd $128, %%" RSP_LP "\n" \
- ".cfi_adjust_cfa_offset -128\n" \
- "24:" \
- : "=a" (result), "=D" (ignore1), "=S" (ignore2), \
- "=&d" (ignore3), "=m" (futex) \
- : "0" (0), "1" (id), "m" (futex), "m" (timeout), \
- "2" (private) \
- : "memory", "cx", "cc", "r10", "r11"); \
- result; })
-
-#if defined NOT_IN_libc || defined UP
-# define __lll_unlock_asm_start LOCK_INSTR "decl %0\n\t" \
- "je 24f\n\t"
-#else
-# define __lll_unlock_asm_start "cmpl $0, __libc_multiple_threads(%%rip)\n\t" \
- "je 0f\n\t" \
- "lock; decl %0\n\t" \
- "jne 1f\n\t" \
- "jmp 24f\n\t" \
- "0:\tdecl %0\n\t" \
- "je 24f\n\t"
-#endif
-
-#define lll_unlock(futex, private) \
- (void) \
- ({ int ignore; \
- if (__builtin_constant_p (private) && (private) == LLL_PRIVATE) \
- __asm __volatile (__lll_unlock_asm_start \
- "1:\tlea %0, %%" RDI_LP "\n" \
- "2:\tsub $128, %%" RSP_LP "\n" \
- ".cfi_adjust_cfa_offset 128\n" \
- "3:\tcallq __lll_unlock_wake_private\n" \
- "4:\tadd $128, %%" RSP_LP "\n" \
- ".cfi_adjust_cfa_offset -128\n" \
- "24:" \
- : "=m" (futex), "=&D" (ignore) \
- : "m" (futex) \
- : "ax", "cx", "r11", "cc", "memory"); \
- else \
- __asm __volatile (__lll_unlock_asm_start \
- "1:\tlea %0, %%" RDI_LP "\n" \
- "2:\tsub $128, %%" RSP_LP "\n" \
- ".cfi_adjust_cfa_offset 128\n" \
- "3:\tcallq __lll_unlock_wake\n" \
- "4:\tadd $128, %%" RSP_LP "\n" \
- ".cfi_adjust_cfa_offset -128\n" \
- "24:" \
- : "=m" (futex), "=&D" (ignore) \
- : "m" (futex), "S" (private) \
- : "ax", "cx", "r11", "cc", "memory"); \
- })
-
-#define lll_robust_unlock(futex, private) \
- do \
- { \
- int ignore; \
- __asm __volatile (LOCK_INSTR "andl %2, %0\n\t" \
- "je 24f\n\t" \
- "1:\tlea %0, %%" RDI_LP "\n" \
- "2:\tsub $128, %%" RSP_LP "\n" \
- ".cfi_adjust_cfa_offset 128\n" \
- "3:\tcallq __lll_unlock_wake\n" \
- "4:\tadd $128, %%" RSP_LP "\n" \
- ".cfi_adjust_cfa_offset -128\n" \
- "24:" \
- : "=m" (futex), "=&D" (ignore) \
- : "i" (FUTEX_WAITERS), "m" (futex), \
- "S" (private) \
- : "ax", "cx", "r11", "cc", "memory"); \
- } \
- while (0)
-
-#define lll_robust_dead(futex, private) \
- do \
- { \
- int ignore; \
- __asm __volatile (LOCK_INSTR "orl %3, (%2)\n\t" \
- "syscall" \
- : "=m" (futex), "=a" (ignore) \
- : "D" (&(futex)), "i" (FUTEX_OWNER_DIED), \
- "S" (__lll_private_flag (FUTEX_WAKE, private)), \
- "1" (__NR_futex), "d" (1) \
- : "cx", "r11", "cc", "memory"); \
- } \
- while (0)
-
-/* Returns non-zero if error happened, zero if success. */
-#define lll_futex_requeue(ftx, nr_wake, nr_move, mutex, val, private) \
- ({ int __res; \
- register int __nr_move __asm ("r10") = nr_move; \
- register void *__mutex __asm ("r8") = mutex; \
- register int __val __asm ("r9") = val; \
- __asm __volatile ("syscall" \
- : "=a" (__res) \
- : "0" (__NR_futex), "D" ((void *) ftx), \
- "S" (__lll_private_flag (FUTEX_CMP_REQUEUE, \
- private)), "d" (nr_wake), \
- "r" (__nr_move), "r" (__mutex), "r" (__val) \
- : "cx", "r11", "cc", "memory"); \
- __res < 0; })
-
-#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 ("xorq %%r10, %%r10\n\t" \
- "1:\tmovq %2, %%rax\n\t" \
- "syscall\n\t" \
- "cmpl $0, (%%rdi)\n\t" \
- "jne 1b" \
- : "=&a" (__ignore) \
- : "S" (FUTEX_WAIT), "i" (SYS_futex), "D" (&tid), \
- "d" (_tid) \
- : "memory", "cc", "r10", "r11", "cx"); \
- } while (0)
-
-extern int __lll_timedwait_tid (int *tid, const struct timespec *abstime)
- 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/x86_64/lowlevelrobustlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S
deleted file mode 100644
index 990b6f9fdb..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelrobustlock.S
+++ /dev/null
@@ -1,306 +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
-# define LOAD_FUTEX_WAIT_ABS(reg) \
- xorl $(FUTEX_WAIT_BITSET | FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME), reg
-#else
-# if FUTEX_WAIT == 0
-# define LOAD_FUTEX_WAIT(reg) \
- xorl $FUTEX_PRIVATE_FLAG, reg ; \
- andl %fs:PRIVATE_FUTEX, reg
-# else
-# define LOAD_FUTEX_WAIT(reg) \
- xorl $FUTEX_PRIVATE_FLAG, reg ; \
- andl %fs:PRIVATE_FUTEX, reg ; \
- orl $FUTEX_WAIT, reg
-# endif
-# define LOAD_FUTEX_WAIT_ABS(reg) \
- xorl $FUTEX_PRIVATE_FLAG, reg ; \
- andl %fs:PRIVATE_FUTEX, reg ; \
- orl $FUTEX_WAIT_BITSET | FUTEX_CLOCK_REALTIME, reg
-#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
- pushq %r10
- cfi_adjust_cfa_offset(8)
- pushq %rdx
- cfi_adjust_cfa_offset(8)
- cfi_offset(%r10, -16)
- cfi_offset(%rdx, -24)
-
- xorq %r10, %r10 /* No timeout. */
- LOAD_FUTEX_WAIT (%esi)
-
-4: movl %eax, %edx
- orl $FUTEX_WAITERS, %edx
-
- testl $FUTEX_OWNER_DIED, %eax
- jnz 3f
-
- cmpl %edx, %eax
- je 1f
-
- LOCK
- cmpxchgl %edx, (%rdi)
- jnz 2f
-
-1: movl $SYS_futex, %eax
- syscall
-
- movl (%rdi), %eax
-
-2: testl %eax, %eax
- jne 4b
-
- movl %fs:TID, %edx
- orl $FUTEX_WAITERS, %edx
- LOCK
- cmpxchgl %edx, (%rdi)
- jnz 4b
- /* NB: %rax == 0 */
-
-3: popq %rdx
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%rdx)
- popq %r10
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r10)
- retq
- 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
-# ifndef __ASSUME_FUTEX_CLOCK_REALTIME
-# ifdef PIC
- cmpl $0, __have_futex_clock_realtime(%rip)
-# else
- cmpl $0, __have_futex_clock_realtime
-# endif
- je .Lreltmo
-# endif
-
- cmpq $0, (%rdx)
- js 7f
-
- pushq %r9
- cfi_adjust_cfa_offset(8)
- cfi_rel_offset(%r9, 0)
- movq %rdx, %r10
- movl $0xffffffff, %r9d
- LOAD_FUTEX_WAIT_ABS (%esi)
-
-1: testl $FUTEX_OWNER_DIED, %eax
- jnz 3f
-
- movl %eax, %edx
- orl $FUTEX_WAITERS, %edx
-
- cmpl %eax, %edx
- je 5f
-
- LOCK
- cmpxchgl %edx, (%rdi)
- movq $0, %rcx /* Must use mov to avoid changing cc. */
- jnz 6f
-
-5: movl $SYS_futex, %eax
- syscall
- movl %eax, %ecx
-
- movl (%rdi), %eax
-
-6: testl %eax, %eax
- jne 2f
-
- movl %fs:TID, %edx
- orl $FUTEX_WAITERS, %edx
- LOCK
- cmpxchgl %edx, (%rdi)
- jnz 2f
-
-3: popq %r9
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r9)
- retq
-
- cfi_adjust_cfa_offset(8)
- cfi_rel_offset(%r9, 0)
- /* Check whether the time expired. */
-2: cmpl $-ETIMEDOUT, %ecx
- je 4f
- cmpl $-EINVAL, %ecx
- jne 1b
-
-4: movl %ecx, %eax
- negl %eax
- jmp 3b
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r9)
-
-7: movl $ETIMEDOUT, %eax
- retq
-
-
-# ifndef __ASSUME_FUTEX_CLOCK_REALTIME
-.Lreltmo:
- /* Check for a valid timeout value. */
- cmpq $1000000000, 8(%rdx)
- jae 3f
-
- pushq %r8
- cfi_adjust_cfa_offset(8)
- pushq %r9
- cfi_adjust_cfa_offset(8)
- pushq %r12
- cfi_adjust_cfa_offset(8)
- pushq %r13
- cfi_adjust_cfa_offset(8)
- cfi_offset(%r8, -16)
- cfi_offset(%r9, -24)
- cfi_offset(%r12, -32)
- cfi_offset(%r13, -40)
- pushq %rsi
- cfi_adjust_cfa_offset(8)
-
- /* Stack frame for the timespec and timeval structs. */
- subq $32, %rsp
- cfi_adjust_cfa_offset(32)
-
- movq %rdi, %r12
- movq %rdx, %r13
-
-1: movq %rax, 16(%rsp)
-
- /* Get current time. */
- movq %rsp, %rdi
- xorl %esi, %esi
- /* This call works because we directly jump to a system call entry
- which preserves all the registers. */
- call JUMPTARGET(__gettimeofday)
-
- /* Compute relative timeout. */
- movq 8(%rsp), %rax
- movl $1000, %edi
- mul %rdi /* Milli seconds to nano seconds. */
- movq (%r13), %rdi
- movq 8(%r13), %rsi
- subq (%rsp), %rdi
- subq %rax, %rsi
- jns 4f
- addq $1000000000, %rsi
- decq %rdi
-4: testq %rdi, %rdi
- js 8f /* Time is already up. */
-
- /* Futex call. */
- movq %rdi, (%rsp) /* Store relative timeout. */
- movq %rsi, 8(%rsp)
-
- movq 16(%rsp), %rdx
- movl %edx, %eax
- orl $FUTEX_WAITERS, %edx
-
- testl $FUTEX_OWNER_DIED, %eax
- jnz 6f
-
- cmpl %eax, %edx
- je 2f
-
- LOCK
- cmpxchgl %edx, (%r12)
- movq $0, %rcx /* Must use mov to avoid changing cc. */
- jnz 5f
-
-2: movq %rsp, %r10
- movl 32(%rsp), %esi
- LOAD_FUTEX_WAIT (%esi)
- movq %r12, %rdi
- movl $SYS_futex, %eax
- syscall
- movq %rax, %rcx
-
- movl (%r12), %eax
-
-5: testl %eax, %eax
- jne 7f
-
- movl %fs:TID, %edx
- orl $FUTEX_WAITERS, %edx
- LOCK
- cmpxchgl %edx, (%r12)
- jnz 7f
-
-6: addq $40, %rsp
- cfi_adjust_cfa_offset(-40)
- popq %r13
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r13)
- popq %r12
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r12)
- popq %r9
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r9)
- popq %r8
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r8)
- retq
-
-3: movl $EINVAL, %eax
- retq
-
- cfi_adjust_cfa_offset(72)
- cfi_offset(%r8, -16)
- cfi_offset(%r9, -24)
- cfi_offset(%r12, -32)
- cfi_offset(%r13, -40)
- /* Check whether the time expired. */
-7: cmpl $-ETIMEDOUT, %ecx
- jne 1b
-
-8: movl $ETIMEDOUT, %eax
- jmp 6b
-#endif
- cfi_endproc
- .size __lll_robust_timedlock_wait,.-__lll_robust_timedlock_wait
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S
deleted file mode 100644
index eec17f226f..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S
+++ /dev/null
@@ -1,160 +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:
- /* Get the mutex. */
- xorl %eax, %eax
- movl $1, %esi
- LOCK
- cmpxchgl %esi, MUTEX(%rdi)
- jnz 1f
-
- /* One less waiter. If this was the last one needed wake
- everybody. */
-2: decl LEFT(%rdi)
- je 3f
-
- /* There are more threads to come. */
-#if CURR_EVENT == 0
- movl (%rdi), %edx
-#else
- movl CURR_EVENT(%rdi), %edx
-#endif
-
- /* Release the mutex. */
- LOCK
- decl MUTEX(%rdi)
- 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(%rdi), %esi
-#else
- movl $FUTEX_WAIT, %esi
- orl PRIVATE(%rdi), %esi
-#endif
- xorq %r10, %r10
-8: movl $SYS_futex, %eax
- syscall
-
- /* 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, (%rdi)
-#else
- cmpl %edx, CURR_EVENT(%rdi)
-#endif
- je 8b
-
- /* Increment LEFT. If this brings the count back to the
- initial count unlock the object. */
- movl $1, %edx
- movl INIT_COUNT(%rdi), %eax
- LOCK
- xaddl %edx, LEFT(%rdi)
- subl $1, %eax
- cmpl %eax, %edx
- jne,pt 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
- decl MUTEX(%rdi)
- jne 9f
-
-10: xorl %eax, %eax /* != PTHREAD_BARRIER_SERIAL_THREAD */
-
- retq
-
- /* The necessary number of threads arrived. */
-3:
-#if CURR_EVENT == 0
- incl (%rdi)
-#else
- incl CURR_EVENT(%rdi)
-#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, %esi
- orl PRIVATE(%rdi), %esi
- movl $SYS_futex, %eax
- syscall
-
- /* Increment LEFT. If this brings the count back to the
- initial count unlock the object. */
- movl $1, %edx
- movl INIT_COUNT(%rdi), %eax
- LOCK
- xaddl %edx, LEFT(%rdi)
- subl $1, %eax
- cmpl %eax, %edx
- jne,pt 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
- decl MUTEX(%rdi)
- jne 4f
-
-5: orl $-1, %eax /* == PTHREAD_BARRIER_SERIAL_THREAD */
-
- retq
-
-1: movl PRIVATE(%rdi), %esi
- addq $MUTEX, %rdi
- xorl $LLL_SHARED, %esi
- callq __lll_lock_wait
- subq $MUTEX, %rdi
- jmp 2b
-
-4: movl PRIVATE(%rdi), %esi
- addq $MUTEX, %rdi
- xorl $LLL_SHARED, %esi
- callq __lll_unlock_wake
- jmp 5b
-
-6: movl PRIVATE(%rdi), %esi
- addq $MUTEX, %rdi
- xorl $LLL_SHARED, %esi
- callq __lll_unlock_wake
- subq $MUTEX, %rdi
- jmp 7b
-
-9: movl PRIVATE(%rdi), %esi
- addq $MUTEX, %rdi
- xorl $LLL_SHARED, %esi
- callq __lll_unlock_wake
- jmp 10b
- .size pthread_barrier_wait,.-pthread_barrier_wait
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S
deleted file mode 100644
index 985e0f1cfa..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S
+++ /dev/null
@@ -1,179 +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:
-
- LIBC_PROBE (cond_broadcast, 1, %rdi)
-
- /* Get internal lock. */
- movl $1, %esi
- xorl %eax, %eax
- LOCK
-#if cond_lock == 0
- cmpxchgl %esi, (%rdi)
-#else
- cmpxchgl %esi, cond_lock(%rdi)
-#endif
- jnz 1f
-
-2: addq $cond_futex, %rdi
- movq total_seq-cond_futex(%rdi), %r9
- cmpq wakeup_seq-cond_futex(%rdi), %r9
- jna 4f
-
- /* Cause all currently waiting threads to recognize they are
- woken up. */
- movq %r9, wakeup_seq-cond_futex(%rdi)
- movq %r9, woken_seq-cond_futex(%rdi)
- addq %r9, %r9
- movl %r9d, (%rdi)
- incl broadcast_seq-cond_futex(%rdi)
-
- /* Get the address of the mutex used. */
- mov dep_mutex-cond_futex(%rdi), %R8_LP
-
- /* Unlock. */
- LOCK
- decl cond_lock-cond_futex(%rdi)
- jne 7f
-
-8: cmp $-1, %R8_LP
- je 9f
-
- /* Do not use requeue for pshared condvars. */
- testl $PS_BIT, MUTEX_KIND(%r8)
- jne 9f
-
- /* Requeue to a PI mutex if the PI bit is set. */
- movl MUTEX_KIND(%r8), %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), %esi
-#else
- movl %fs:PRIVATE_FUTEX, %esi
- orl $FUTEX_CMP_REQUEUE, %esi
-#endif
- movl $SYS_futex, %eax
- movl $1, %edx
- movl $0x7fffffff, %r10d
- syscall
-
- /* For any kind of error, which mainly is EAGAIN, we try again
- with WAKE. The general test also covers running on old
- kernels. */
- cmpq $-4095, %rax
- jae 9f
-
-10: xorl %eax, %eax
- retq
-
- /* Wake up all threads. */
-81: movl $(FUTEX_CMP_REQUEUE_PI|FUTEX_PRIVATE_FLAG), %esi
- movl $SYS_futex, %eax
- movl $1, %edx
- movl $0x7fffffff, %r10d
- syscall
-
- /* For any kind of error, which mainly is EAGAIN, we try again
- with WAKE. The general test also covers running on old
- kernels. */
- cmpq $-4095, %rax
- jb 10b
- jmp 9f
-
- .align 16
- /* Unlock. */
-4: LOCK
- decl cond_lock-cond_futex(%rdi)
- jne 5f
-
-6: xorl %eax, %eax
- retq
-
- /* Initial locking failed. */
-1:
-#if cond_lock != 0
- addq $cond_lock, %rdi
-#endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- callq __lll_lock_wait
-#if cond_lock != 0
- subq $cond_lock, %rdi
-#endif
- jmp 2b
-
- /* Unlock in loop requires wakeup. */
-5: addq $cond_lock-cond_futex, %rdi
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- callq __lll_unlock_wake
- jmp 6b
-
- /* Unlock in loop requires wakeup. */
-7: addq $cond_lock-cond_futex, %rdi
- cmp $-1, %R8_LP
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- callq __lll_unlock_wake
- subq $cond_lock-cond_futex, %rdi
- jmp 8b
-
-9: /* The futex requeue functionality is not available. */
- cmp $-1, %R8_LP
- movl $0x7fffffff, %edx
-#ifdef __ASSUME_PRIVATE_FUTEX
- movl $FUTEX_WAKE, %eax
- movl $(FUTEX_WAKE|FUTEX_PRIVATE_FLAG), %esi
- cmove %eax, %esi
-#else
- movl $0, %eax
- movl %fs:PRIVATE_FUTEX, %esi
- cmove %eax, %esi
- orl $FUTEX_WAKE, %esi
-#endif
- movl $SYS_futex, %eax
- syscall
- jmp 10b
- .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/x86_64/pthread_cond_signal.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S
deleted file mode 100644
index 53d65b6f12..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_signal.S
+++ /dev/null
@@ -1,164 +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-pi-defines.h>
-#include <kernel-features.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:
-
- LIBC_PROBE (cond_signal, 1, %rdi)
-
- /* Get internal lock. */
- movq %rdi, %r8
- movl $1, %esi
- xorl %eax, %eax
- LOCK
-#if cond_lock == 0
- cmpxchgl %esi, (%rdi)
-#else
- cmpxchgl %esi, cond_lock(%rdi)
-#endif
- jnz 1f
-
-2: addq $cond_futex, %rdi
- movq total_seq(%r8), %rcx
- cmpq wakeup_seq(%r8), %rcx
- jbe 4f
-
- /* Bump the wakeup number. */
- addq $1, wakeup_seq(%r8)
- addl $1, (%rdi)
-
- /* Wake up one thread. */
- LP_OP(cmp) $-1, dep_mutex(%r8)
- movl $FUTEX_WAKE_OP, %esi
- movl $1, %edx
- movl $SYS_futex, %eax
- je 8f
-
- /* Get the address of the mutex used. */
- mov dep_mutex(%r8), %RCX_LP
- movl MUTEX_KIND(%rcx), %r11d
- andl $(ROBUST_BIT|PI_BIT), %r11d
- cmpl $PI_BIT, %r11d
- je 9f
-
-#ifdef __ASSUME_PRIVATE_FUTEX
- movl $(FUTEX_WAKE_OP|FUTEX_PRIVATE_FLAG), %esi
-#else
- orl %fs:PRIVATE_FUTEX, %esi
-#endif
-
-8: movl $1, %r10d
-#if cond_lock != 0
- addq $cond_lock, %r8
-#endif
- movl $FUTEX_OP_CLEAR_WAKE_IF_GT_ONE, %r9d
- syscall
-#if cond_lock != 0
- subq $cond_lock, %r8
-#endif
- /* For any kind of error, we try again with WAKE.
- The general test also covers running on old kernels. */
- cmpq $-4095, %rax
- jae 7f
-
- xorl %eax, %eax
- retq
-
- /* Wake up one thread and requeue none in the PI Mutex case. */
-9: movl $(FUTEX_CMP_REQUEUE_PI|FUTEX_PRIVATE_FLAG), %esi
- movq %rcx, %r8
- xorq %r10, %r10
- movl (%rdi), %r9d // XXX Can this be right?
- syscall
-
- leaq -cond_futex(%rdi), %r8
-
- /* For any kind of error, we try again with WAKE.
- The general test also covers running on old kernels. */
- cmpq $-4095, %rax
- jb 4f
-
-7:
-#ifdef __ASSUME_PRIVATE_FUTEX
- andl $FUTEX_PRIVATE_FLAG, %esi
-#else
- andl %fs:PRIVATE_FUTEX, %esi
-#endif
- orl $FUTEX_WAKE, %esi
- movl $SYS_futex, %eax
- /* %rdx should be 1 already from $FUTEX_WAKE_OP syscall.
- movl $1, %edx */
- syscall
-
- /* Unlock. */
-4: LOCK
-#if cond_lock == 0
- decl (%r8)
-#else
- decl cond_lock(%r8)
-#endif
- jne 5f
-
-6: xorl %eax, %eax
- retq
-
- /* Initial locking failed. */
-1:
-#if cond_lock != 0
- addq $cond_lock, %rdi
-#endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- callq __lll_lock_wait
-#if cond_lock != 0
- subq $cond_lock, %rdi
-#endif
- jmp 2b
-
- /* Unlock in loop requires wakeup. */
-5:
- movq %r8, %rdi
-#if cond_lock != 0
- addq $cond_lock, %rdi
-#endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- callq __lll_unlock_wake
- jmp 6b
- .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/x86_64/pthread_cond_timedwait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
deleted file mode 100644
index 0dc23405b0..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
+++ /dev/null
@@ -1,840 +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-pi-defines.h>
-#include <pthread-errnos.h>
-#include <stap-probe.h>
-
-#include <kernel-features.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
-
- pushq %r12
- cfi_adjust_cfa_offset(8)
- cfi_rel_offset(%r12, 0)
- pushq %r13
- cfi_adjust_cfa_offset(8)
- cfi_rel_offset(%r13, 0)
- pushq %r14
- cfi_adjust_cfa_offset(8)
- cfi_rel_offset(%r14, 0)
- pushq %r15
- cfi_adjust_cfa_offset(8)
- cfi_rel_offset(%r15, 0)
-#ifdef __ASSUME_FUTEX_CLOCK_REALTIME
-# define FRAME_SIZE (32+8)
-#else
-# define FRAME_SIZE (48+8)
-#endif
- subq $FRAME_SIZE, %rsp
- cfi_adjust_cfa_offset(FRAME_SIZE)
- cfi_remember_state
-
- LIBC_PROBE (cond_timedwait, 3, %rdi, %rsi, %rdx)
-
- cmpq $1000000000, 8(%rdx)
- movl $EINVAL, %eax
- jae 48f
-
- /* Stack frame:
-
- rsp + 48
- +--------------------------+
- rsp + 32 | timeout value |
- +--------------------------+
- rsp + 24 | old wake_seq value |
- +--------------------------+
- rsp + 16 | mutex pointer |
- +--------------------------+
- rsp + 8 | condvar pointer |
- +--------------------------+
- rsp + 4 | old broadcast_seq value |
- +--------------------------+
- rsp + 0 | old cancellation mode |
- +--------------------------+
- */
-
- LP_OP(cmp) $-1, dep_mutex(%rdi)
-
- /* Prepare structure passed to cancellation handler. */
- movq %rdi, 8(%rsp)
- movq %rsi, 16(%rsp)
- movq %rdx, %r13
-
- je 22f
- mov %RSI_LP, dep_mutex(%rdi)
-
-22:
- xorb %r15b, %r15b
-
-#ifndef __ASSUME_FUTEX_CLOCK_REALTIME
-# ifdef PIC
- cmpl $0, __have_futex_clock_realtime(%rip)
-# else
- cmpl $0, __have_futex_clock_realtime
-# endif
- je .Lreltmo
-#endif
-
- /* Get internal lock. */
- movl $1, %esi
- xorl %eax, %eax
- LOCK
-#if cond_lock == 0
- cmpxchgl %esi, (%rdi)
-#else
- cmpxchgl %esi, cond_lock(%rdi)
-#endif
- jnz 31f
-
- /* Unlock the mutex. */
-32: movq 16(%rsp), %rdi
- xorl %esi, %esi
- callq __pthread_mutex_unlock_usercnt
-
- testl %eax, %eax
- jne 46f
-
- movq 8(%rsp), %rdi
- incq total_seq(%rdi)
- incl cond_futex(%rdi)
- addl $(1 << nwaiters_shift), cond_nwaiters(%rdi)
-
- /* Get and store current wakeup_seq value. */
- movq 8(%rsp), %rdi
- movq wakeup_seq(%rdi), %r9
- movl broadcast_seq(%rdi), %edx
- movq %r9, 24(%rsp)
- movl %edx, 4(%rsp)
-
- cmpq $0, (%r13)
- movq $-ETIMEDOUT, %r14
- js 36f
-
-38: movl cond_futex(%rdi), %r12d
-
- /* Unlock. */
- LOCK
-#if cond_lock == 0
- decl (%rdi)
-#else
- decl cond_lock(%rdi)
-#endif
- jne 33f
-
-.LcleanupSTART1:
-34: callq __pthread_enable_asynccancel
- movl %eax, (%rsp)
-
- movq %r13, %r10
- movl $FUTEX_WAIT_BITSET, %esi
- LP_OP(cmp) $-1, dep_mutex(%rdi)
- je 60f
-
- mov dep_mutex(%rdi), %R8_LP
- /* Requeue to a non-robust PI mutex if the PI bit is set and
- the robust bit is not set. */
- movl MUTEX_KIND(%r8), %eax
- andl $(ROBUST_BIT|PI_BIT), %eax
- cmpl $PI_BIT, %eax
- jne 61f
-
- movl $(FUTEX_WAIT_REQUEUE_PI|FUTEX_PRIVATE_FLAG), %esi
- xorl %eax, %eax
- /* The following only works like this because we only support
- two clocks, represented using a single bit. */
- testl $1, cond_nwaiters(%rdi)
- movl $FUTEX_CLOCK_REALTIME, %edx
- cmove %edx, %eax
- orl %eax, %esi
- movq %r12, %rdx
- addq $cond_futex, %rdi
- movl $SYS_futex, %eax
- syscall
-
- cmpl $0, %eax
- sete %r15b
-
-#ifdef __ASSUME_REQUEUE_PI
- jmp 62f
-#else
- je 62f
-
- /* When a futex syscall with FUTEX_WAIT_REQUEUE_PI returns
- successfully, it has already locked the mutex for us and the
- pi_flag (%r15b) 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 62f
-
- subq $cond_futex, %rdi
-#endif
-
-61: movl $(FUTEX_WAIT_BITSET|FUTEX_PRIVATE_FLAG), %esi
-60: xorb %r15b, %r15b
- xorl %eax, %eax
- /* The following only works like this because we only support
- two clocks, represented using a single bit. */
- testl $1, cond_nwaiters(%rdi)
- movl $FUTEX_CLOCK_REALTIME, %edx
- movl $0xffffffff, %r9d
- cmove %edx, %eax
- orl %eax, %esi
- movq %r12, %rdx
- addq $cond_futex, %rdi
- movl $SYS_futex, %eax
- syscall
-62: movq %rax, %r14
-
- movl (%rsp), %edi
- callq __pthread_disable_asynccancel
-.LcleanupEND1:
-
- /* Lock. */
- movq 8(%rsp), %rdi
- movl $1, %esi
- xorl %eax, %eax
- LOCK
-#if cond_lock == 0
- cmpxchgl %esi, (%rdi)
-#else
- cmpxchgl %esi, cond_lock(%rdi)
-#endif
- jne 35f
-
-36: movl broadcast_seq(%rdi), %edx
-
- movq woken_seq(%rdi), %rax
-
- movq wakeup_seq(%rdi), %r9
-
- cmpl 4(%rsp), %edx
- jne 53f
-
- cmpq 24(%rsp), %r9
- jbe 45f
-
- cmpq %rax, %r9
- ja 39f
-
-45: cmpq $-ETIMEDOUT, %r14
- je 99f
-
- /* We need to go back to futex_wait. If we're using requeue_pi, then
- release the mutex we had acquired and go back. */
- test %r15b, %r15b
- jz 38b
-
- /* Adjust the mutex values first and then unlock it. The unlock
- should always succeed or else the kernel did not lock the
- mutex correctly. */
- movq %r8, %rdi
- callq __pthread_mutex_cond_lock_adjust
- xorl %esi, %esi
- callq __pthread_mutex_unlock_usercnt
- /* Reload cond_var. */
- movq 8(%rsp), %rdi
- jmp 38b
-
-99: incq wakeup_seq(%rdi)
- incl cond_futex(%rdi)
- movl $ETIMEDOUT, %r14d
- jmp 44f
-
-53: xorq %r14, %r14
- jmp 54f
-
-39: xorq %r14, %r14
-44: incq woken_seq(%rdi)
-
-54: subl $(1 << nwaiters_shift), cond_nwaiters(%rdi)
-
- /* Wake up a thread which wants to destroy the condvar object. */
- cmpq $0xffffffffffffffff, total_seq(%rdi)
- jne 55f
- movl cond_nwaiters(%rdi), %eax
- andl $~((1 << nwaiters_shift) - 1), %eax
- jne 55f
-
- addq $cond_nwaiters, %rdi
- LP_OP(cmp) $-1, dep_mutex-cond_nwaiters(%rdi)
- movl $1, %edx
-#ifdef __ASSUME_PRIVATE_FUTEX
- movl $FUTEX_WAKE, %eax
- movl $(FUTEX_WAKE|FUTEX_PRIVATE_FLAG), %esi
- cmove %eax, %esi
-#else
- movl $0, %eax
- movl %fs:PRIVATE_FUTEX, %esi
- cmove %eax, %esi
- orl $FUTEX_WAKE, %esi
-#endif
- movl $SYS_futex, %eax
- syscall
- subq $cond_nwaiters, %rdi
-
-55: LOCK
-#if cond_lock == 0
- decl (%rdi)
-#else
- decl cond_lock(%rdi)
-#endif
- jne 40f
-
- /* If requeue_pi is used the kernel performs the locking of the
- mutex. */
-41: movq 16(%rsp), %rdi
- testb %r15b, %r15b
- jnz 64f
-
- callq __pthread_mutex_cond_lock
-
-63: testq %rax, %rax
- cmoveq %r14, %rax
-
-48: addq $FRAME_SIZE, %rsp
- cfi_adjust_cfa_offset(-FRAME_SIZE)
- popq %r15
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r15)
- popq %r14
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r14)
- popq %r13
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r13)
- popq %r12
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r12)
-
- retq
-
- cfi_restore_state
-
-64: callq __pthread_mutex_cond_lock_adjust
- movq %r14, %rax
- jmp 48b
-
- /* Initial locking failed. */
-31:
-#if cond_lock != 0
- addq $cond_lock, %rdi
-#endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- callq __lll_lock_wait
- jmp 32b
-
- /* Unlock in loop requires wakeup. */
-33:
-#if cond_lock != 0
- addq $cond_lock, %rdi
-#endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- callq __lll_unlock_wake
- jmp 34b
-
- /* Locking in loop failed. */
-35:
-#if cond_lock != 0
- addq $cond_lock, %rdi
-#endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- callq __lll_lock_wait
-#if cond_lock != 0
- subq $cond_lock, %rdi
-#endif
- jmp 36b
-
- /* Unlock after loop requires wakeup. */
-40:
-#if cond_lock != 0
- addq $cond_lock, %rdi
-#endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- callq __lll_unlock_wake
- jmp 41b
-
- /* The initial unlocking of the mutex failed. */
-46: movq 8(%rsp), %rdi
- movq %rax, (%rsp)
- LOCK
-#if cond_lock == 0
- decl (%rdi)
-#else
- decl cond_lock(%rdi)
-#endif
- jne 47f
-
-#if cond_lock != 0
- addq $cond_lock, %rdi
-#endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- callq __lll_unlock_wake
-
-47: movq (%rsp), %rax
- jmp 48b
-
-
-#ifndef __ASSUME_FUTEX_CLOCK_REALTIME
-.Lreltmo:
- /* Get internal lock. */
- movl $1, %esi
- xorl %eax, %eax
- LOCK
-# if cond_lock == 0
- cmpxchgl %esi, (%rdi)
-# else
- cmpxchgl %esi, cond_lock(%rdi)
-# endif
- jnz 1f
-
- /* Unlock the mutex. */
-2: movq 16(%rsp), %rdi
- xorl %esi, %esi
- callq __pthread_mutex_unlock_usercnt
-
- testl %eax, %eax
- jne 46b
-
- movq 8(%rsp), %rdi
- incq total_seq(%rdi)
- incl cond_futex(%rdi)
- addl $(1 << nwaiters_shift), cond_nwaiters(%rdi)
-
- /* Get and store current wakeup_seq value. */
- movq 8(%rsp), %rdi
- movq wakeup_seq(%rdi), %r9
- movl broadcast_seq(%rdi), %edx
- movq %r9, 24(%rsp)
- movl %edx, 4(%rsp)
-
- /* Get the current time. */
-8:
-# ifdef __NR_clock_gettime
- /* Get the clock number. Note that the field in the condvar
- structure stores the number minus 1. */
- movq 8(%rsp), %rdi
- movl cond_nwaiters(%rdi), %edi
- andl $((1 << nwaiters_shift) - 1), %edi
- /* Only clocks 0 and 1 are allowed so far. Both are handled in the
- kernel. */
- leaq 32(%rsp), %rsi
-# ifdef SHARED
- mov __vdso_clock_gettime@GOTPCREL(%rip), %RAX_LP
- mov (%rax), %RAX_LP
- PTR_DEMANGLE (%RAX_LP)
- call *%rax
-# else
- movl $__NR_clock_gettime, %eax
- syscall
-# endif
-
- /* Compute relative timeout. */
- movq (%r13), %rcx
- movq 8(%r13), %rdx
- subq 32(%rsp), %rcx
- subq 40(%rsp), %rdx
-# else
- leaq 24(%rsp), %rdi
- xorl %esi, %esi
- /* This call works because we directly jump to a system call entry
- which preserves all the registers. */
- call JUMPTARGET(__gettimeofday)
-
- /* Compute relative timeout. */
- movq 40(%rsp), %rax
- movl $1000, %edx
- mul %rdx /* Milli seconds to nano seconds. */
- movq (%r13), %rcx
- movq 8(%r13), %rdx
- subq 32(%rsp), %rcx
- subq %rax, %rdx
-# endif
- jns 12f
- addq $1000000000, %rdx
- decq %rcx
-12: testq %rcx, %rcx
- movq 8(%rsp), %rdi
- movq $-ETIMEDOUT, %r14
- js 6f
-
- /* Store relative timeout. */
-21: movq %rcx, 32(%rsp)
- movq %rdx, 40(%rsp)
-
- movl cond_futex(%rdi), %r12d
-
- /* Unlock. */
- LOCK
-# if cond_lock == 0
- decl (%rdi)
-# else
- decl cond_lock(%rdi)
-# endif
- jne 3f
-
-.LcleanupSTART2:
-4: callq __pthread_enable_asynccancel
- movl %eax, (%rsp)
-
- leaq 32(%rsp), %r10
- LP_OP(cmp) $-1, dep_mutex(%rdi)
- movq %r12, %rdx
-# ifdef __ASSUME_PRIVATE_FUTEX
- movl $FUTEX_WAIT, %eax
- movl $(FUTEX_WAIT|FUTEX_PRIVATE_FLAG), %esi
- cmove %eax, %esi
-# else
- movl $0, %eax
- movl %fs:PRIVATE_FUTEX, %esi
- cmove %eax, %esi
-# if FUTEX_WAIT != 0
- orl $FUTEX_WAIT, %esi
-# endif
-# endif
- addq $cond_futex, %rdi
- movl $SYS_futex, %eax
- syscall
- movq %rax, %r14
-
- movl (%rsp), %edi
- callq __pthread_disable_asynccancel
-.LcleanupEND2:
-
- /* Lock. */
- movq 8(%rsp), %rdi
- movl $1, %esi
- xorl %eax, %eax
- LOCK
-# if cond_lock == 0
- cmpxchgl %esi, (%rdi)
-# else
- cmpxchgl %esi, cond_lock(%rdi)
-# endif
- jne 5f
-
-6: movl broadcast_seq(%rdi), %edx
-
- movq woken_seq(%rdi), %rax
-
- movq wakeup_seq(%rdi), %r9
-
- cmpl 4(%rsp), %edx
- jne 53b
-
- cmpq 24(%rsp), %r9
- jbe 15f
-
- cmpq %rax, %r9
- ja 39b
-
-15: cmpq $-ETIMEDOUT, %r14
- jne 8b
-
- jmp 99b
-
- /* Initial locking failed. */
-1:
-# if cond_lock != 0
- addq $cond_lock, %rdi
-# endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- callq __lll_lock_wait
- jmp 2b
-
- /* Unlock in loop requires wakeup. */
-3:
-# if cond_lock != 0
- addq $cond_lock, %rdi
-# endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- callq __lll_unlock_wake
- jmp 4b
-
- /* Locking in loop failed. */
-5:
-# if cond_lock != 0
- addq $cond_lock, %rdi
-# endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- callq __lll_lock_wait
-# if cond_lock != 0
- subq $cond_lock, %rdi
-# endif
- jmp 6b
-#endif
- .size __pthread_cond_timedwait, .-__pthread_cond_timedwait
-versioned_symbol (libpthread, __pthread_cond_timedwait, pthread_cond_timedwait,
- GLIBC_2_3_2)
-
-
- .align 16
- .type __condvar_cleanup2, @function
-__condvar_cleanup2:
- /* Stack frame:
-
- rsp + 72
- +--------------------------+
- rsp + 64 | %r12 |
- +--------------------------+
- rsp + 56 | %r13 |
- +--------------------------+
- rsp + 48 | %r14 |
- +--------------------------+
- rsp + 24 | unused |
- +--------------------------+
- rsp + 16 | mutex pointer |
- +--------------------------+
- rsp + 8 | condvar pointer |
- +--------------------------+
- rsp + 4 | old broadcast_seq value |
- +--------------------------+
- rsp + 0 | old cancellation mode |
- +--------------------------+
- */
-
- movq %rax, 24(%rsp)
-
- /* Get internal lock. */
- movq 8(%rsp), %rdi
- movl $1, %esi
- xorl %eax, %eax
- LOCK
-#if cond_lock == 0
- cmpxchgl %esi, (%rdi)
-#else
- cmpxchgl %esi, cond_lock(%rdi)
-#endif
- jz 1f
-
-#if cond_lock != 0
- addq $cond_lock, %rdi
-#endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- callq __lll_lock_wait
-#if cond_lock != 0
- subq $cond_lock, %rdi
-#endif
-
-1: movl broadcast_seq(%rdi), %edx
- cmpl 4(%rsp), %edx
- 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. */
- movq total_seq(%rdi), %rax
- cmpq wakeup_seq(%rdi), %rax
- jbe 6f
- incq wakeup_seq(%rdi)
- incl cond_futex(%rdi)
-6: incq woken_seq(%rdi)
-
-3: subl $(1 << nwaiters_shift), cond_nwaiters(%rdi)
-
- /* Wake up a thread which wants to destroy the condvar object. */
- xorq %r12, %r12
- cmpq $0xffffffffffffffff, total_seq(%rdi)
- jne 4f
- movl cond_nwaiters(%rdi), %eax
- andl $~((1 << nwaiters_shift) - 1), %eax
- jne 4f
-
- LP_OP(cmp) $-1, dep_mutex(%rdi)
- leaq cond_nwaiters(%rdi), %rdi
- movl $1, %edx
-#ifdef __ASSUME_PRIVATE_FUTEX
- movl $FUTEX_WAKE, %eax
- movl $(FUTEX_WAKE|FUTEX_PRIVATE_FLAG), %esi
- cmove %eax, %esi
-#else
- movl $0, %eax
- movl %fs:PRIVATE_FUTEX, %esi
- cmove %eax, %esi
- orl $FUTEX_WAKE, %esi
-#endif
- movl $SYS_futex, %eax
- syscall
- subq $cond_nwaiters, %rdi
- movl $1, %r12d
-
-4: LOCK
-#if cond_lock == 0
- decl (%rdi)
-#else
- decl cond_lock(%rdi)
-#endif
- je 2f
-#if cond_lock != 0
- addq $cond_lock, %rdi
-#endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- callq __lll_unlock_wake
-
- /* Wake up all waiters to make sure no signal gets lost. */
-2: testq %r12, %r12
- jnz 5f
- addq $cond_futex, %rdi
- LP_OP(cmp) $-1, dep_mutex-cond_futex(%rdi)
- movl $0x7fffffff, %edx
-#ifdef __ASSUME_PRIVATE_FUTEX
- movl $FUTEX_WAKE, %eax
- movl $(FUTEX_WAKE|FUTEX_PRIVATE_FLAG), %esi
- cmove %eax, %esi
-#else
- movl $0, %eax
- movl %fs:PRIVATE_FUTEX, %esi
- cmove %eax, %esi
- orl $FUTEX_WAKE, %esi
-#endif
- movl $SYS_futex, %eax
- syscall
-
- /* 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: movq 16(%rsp), %rdi
- movl MUTEX_KIND(%rdi), %eax
- andl $(ROBUST_BIT|PI_BIT), %eax
- cmpl $PI_BIT, %eax
- jne 7f
-
- movl (%rdi), %eax
- andl $TID_MASK, %eax
- cmpl %eax, %fs:TID
- jne 7f
- /* We managed to get the lock. Fix it up before returning. */
- callq __pthread_mutex_cond_lock_adjust
- jmp 8f
-
-7: callq __pthread_mutex_cond_lock
-
-8: movq 24(%rsp), %rdi
- movq FRAME_SIZE(%rsp), %r15
- movq FRAME_SIZE+8(%rsp), %r14
- movq FRAME_SIZE+16(%rsp), %r13
- movq FRAME_SIZE+24(%rsp), %r12
-.LcallUR:
- call _Unwind_Resume@PLT
- hlt
-.LENDCODE:
- cfi_endproc
- .size __condvar_cleanup2, .-__condvar_cleanup2
-
-
- .section .gcc_except_table,"a",@progbits
-.LexceptSTART:
- .byte DW_EH_PE_omit # @LPStart format
- .byte DW_EH_PE_omit # @TType format
- .byte DW_EH_PE_uleb128 # call-site format
- .uleb128 .Lcstend-.Lcstbegin
-.Lcstbegin:
- .uleb128 .LcleanupSTART1-.LSTARTCODE
- .uleb128 .LcleanupEND1-.LcleanupSTART1
- .uleb128 __condvar_cleanup2-.LSTARTCODE
- .uleb128 0
-#ifndef __ASSUME_FUTEX_CLOCK_REALTIME
- .uleb128 .LcleanupSTART2-.LSTARTCODE
- .uleb128 .LcleanupEND2-.LcleanupSTART2
- .uleb128 __condvar_cleanup2-.LSTARTCODE
- .uleb128 0
-#endif
- .uleb128 .LcallUR-.LSTARTCODE
- .uleb128 .LENDCODE-.LcallUR
- .uleb128 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 LP_SIZE
- .type DW.ref.__gcc_personality_v0, @object
- .size DW.ref.__gcc_personality_v0, LP_SIZE
-DW.ref.__gcc_personality_v0:
- ASM_ADDR __gcc_personality_v0
-#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
deleted file mode 100644
index 0e61d0aa24..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
+++ /dev/null
@@ -1,555 +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-pi-defines.h>
-#include <pthread-errnos.h>
-#include <stap-probe.h>
-
-#include <kernel-features.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
-
-#define FRAME_SIZE (32+8)
- leaq -FRAME_SIZE(%rsp), %rsp
- cfi_adjust_cfa_offset(FRAME_SIZE)
-
- /* Stack frame:
-
- rsp + 32
- +--------------------------+
- rsp + 24 | old wake_seq value |
- +--------------------------+
- rsp + 16 | mutex pointer |
- +--------------------------+
- rsp + 8 | condvar pointer |
- +--------------------------+
- rsp + 4 | old broadcast_seq value |
- +--------------------------+
- rsp + 0 | old cancellation mode |
- +--------------------------+
- */
-
- LIBC_PROBE (cond_wait, 2, %rdi, %rsi)
-
- LP_OP(cmp) $-1, dep_mutex(%rdi)
-
- /* Prepare structure passed to cancellation handler. */
- movq %rdi, 8(%rsp)
- movq %rsi, 16(%rsp)
-
- je 15f
- mov %RSI_LP, dep_mutex(%rdi)
-
- /* Get internal lock. */
-15: movl $1, %esi
- xorl %eax, %eax
- LOCK
-#if cond_lock == 0
- cmpxchgl %esi, (%rdi)
-#else
- cmpxchgl %esi, cond_lock(%rdi)
-#endif
- jne 1f
-
- /* Unlock the mutex. */
-2: movq 16(%rsp), %rdi
- xorl %esi, %esi
- callq __pthread_mutex_unlock_usercnt
-
- testl %eax, %eax
- jne 12f
-
- movq 8(%rsp), %rdi
- incq total_seq(%rdi)
- incl cond_futex(%rdi)
- addl $(1 << nwaiters_shift), cond_nwaiters(%rdi)
-
- /* Get and store current wakeup_seq value. */
- movq 8(%rsp), %rdi
- movq wakeup_seq(%rdi), %r9
- movl broadcast_seq(%rdi), %edx
- movq %r9, 24(%rsp)
- movl %edx, 4(%rsp)
-
- /* Unlock. */
-8: movl cond_futex(%rdi), %edx
- LOCK
-#if cond_lock == 0
- decl (%rdi)
-#else
- decl cond_lock(%rdi)
-#endif
- jne 3f
-
-.LcleanupSTART:
-4: callq __pthread_enable_asynccancel
- movl %eax, (%rsp)
-
- xorq %r10, %r10
- LP_OP(cmp) $-1, dep_mutex(%rdi)
- leaq cond_futex(%rdi), %rdi
- movl $FUTEX_WAIT, %esi
- je 60f
-
- mov dep_mutex-cond_futex(%rdi), %R8_LP
- /* Requeue to a non-robust PI mutex if the PI bit is set and
- the robust bit is not set. */
- movl MUTEX_KIND(%r8), %eax
- andl $(ROBUST_BIT|PI_BIT), %eax
- cmpl $PI_BIT, %eax
- jne 61f
-
- movl $(FUTEX_WAIT_REQUEUE_PI|FUTEX_PRIVATE_FLAG), %esi
- movl $SYS_futex, %eax
- syscall
-
- cmpl $0, %eax
- sete %r8b
-
-#ifdef __ASSUME_REQUEUE_PI
- jmp 62f
-#else
- je 62f
-
- /* When a futex syscall with FUTEX_WAIT_REQUEUE_PI returns
- successfully, it has already locked the mutex for us and the
- pi_flag (%r8b) 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 62f
-
-# ifndef __ASSUME_PRIVATE_FUTEX
- movl $FUTEX_WAIT, %esi
-# endif
-#endif
-
-61:
-#ifdef __ASSUME_PRIVATE_FUTEX
- movl $(FUTEX_WAIT|FUTEX_PRIVATE_FLAG), %esi
-#else
- orl %fs:PRIVATE_FUTEX, %esi
-#endif
-60: xorb %r8b, %r8b
- movl $SYS_futex, %eax
- syscall
-
-62: movl (%rsp), %edi
- callq __pthread_disable_asynccancel
-.LcleanupEND:
-
- /* Lock. */
- movq 8(%rsp), %rdi
- movl $1, %esi
- xorl %eax, %eax
- LOCK
-#if cond_lock == 0
- cmpxchgl %esi, (%rdi)
-#else
- cmpxchgl %esi, cond_lock(%rdi)
-#endif
- jnz 5f
-
-6: movl broadcast_seq(%rdi), %edx
-
- movq woken_seq(%rdi), %rax
-
- movq wakeup_seq(%rdi), %r9
-
- cmpl 4(%rsp), %edx
- jne 16f
-
- cmpq 24(%rsp), %r9
- jbe 19f
-
- cmpq %rax, %r9
- jna 19f
-
- incq woken_seq(%rdi)
-
- /* Unlock */
-16: subl $(1 << nwaiters_shift), cond_nwaiters(%rdi)
-
- /* Wake up a thread which wants to destroy the condvar object. */
- cmpq $0xffffffffffffffff, total_seq(%rdi)
- jne 17f
- movl cond_nwaiters(%rdi), %eax
- andl $~((1 << nwaiters_shift) - 1), %eax
- jne 17f
-
- addq $cond_nwaiters, %rdi
- LP_OP(cmp) $-1, dep_mutex-cond_nwaiters(%rdi)
- movl $1, %edx
-#ifdef __ASSUME_PRIVATE_FUTEX
- movl $FUTEX_WAKE, %eax
- movl $(FUTEX_WAKE|FUTEX_PRIVATE_FLAG), %esi
- cmove %eax, %esi
-#else
- movl $0, %eax
- movl %fs:PRIVATE_FUTEX, %esi
- cmove %eax, %esi
- orl $FUTEX_WAKE, %esi
-#endif
- movl $SYS_futex, %eax
- syscall
- subq $cond_nwaiters, %rdi
-
-17: LOCK
-#if cond_lock == 0
- decl (%rdi)
-#else
- decl cond_lock(%rdi)
-#endif
- jne 10f
-
- /* If requeue_pi is used the kernel performs the locking of the
- mutex. */
-11: movq 16(%rsp), %rdi
- testb %r8b, %r8b
- jnz 18f
-
- callq __pthread_mutex_cond_lock
-
-14: leaq FRAME_SIZE(%rsp), %rsp
- cfi_adjust_cfa_offset(-FRAME_SIZE)
-
- /* We return the result of the mutex_lock operation. */
- retq
-
- cfi_adjust_cfa_offset(FRAME_SIZE)
-
-18: callq __pthread_mutex_cond_lock_adjust
- xorl %eax, %eax
- jmp 14b
-
- /* We need to go back to futex_wait. If we're using requeue_pi, then
- release the mutex we had acquired and go back. */
-19: testb %r8b, %r8b
- 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. */
- movq 16(%rsp), %rdi
- callq __pthread_mutex_cond_lock_adjust
- movq %rdi, %r8
- xorl %esi, %esi
- callq __pthread_mutex_unlock_usercnt
- /* Reload cond_var. */
- movq 8(%rsp), %rdi
- jmp 8b
-
- /* Initial locking failed. */
-1:
-#if cond_lock != 0
- addq $cond_lock, %rdi
-#endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- callq __lll_lock_wait
- jmp 2b
-
- /* Unlock in loop requires wakeup. */
-3:
-#if cond_lock != 0
- addq $cond_lock, %rdi
-#endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- /* The call preserves %rdx. */
- callq __lll_unlock_wake
-#if cond_lock != 0
- subq $cond_lock, %rdi
-#endif
- jmp 4b
-
- /* Locking in loop failed. */
-5:
-#if cond_lock != 0
- addq $cond_lock, %rdi
-#endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- callq __lll_lock_wait
-#if cond_lock != 0
- subq $cond_lock, %rdi
-#endif
- jmp 6b
-
- /* Unlock after loop requires wakeup. */
-10:
-#if cond_lock != 0
- addq $cond_lock, %rdi
-#endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- callq __lll_unlock_wake
- jmp 11b
-
- /* The initial unlocking of the mutex failed. */
-12: movq %rax, %r10
- movq 8(%rsp), %rdi
- LOCK
-#if cond_lock == 0
- decl (%rdi)
-#else
- decl cond_lock(%rdi)
-#endif
- je 13f
-
-#if cond_lock != 0
- addq $cond_lock, %rdi
-#endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- callq __lll_unlock_wake
-
-13: movq %r10, %rax
- jmp 14b
-
- .size __pthread_cond_wait, .-__pthread_cond_wait
-versioned_symbol (libpthread, __pthread_cond_wait, pthread_cond_wait,
- GLIBC_2_3_2)
-
-
- .align 16
- .type __condvar_cleanup1, @function
- .globl __condvar_cleanup1
- .hidden __condvar_cleanup1
-__condvar_cleanup1:
- /* Stack frame:
-
- rsp + 32
- +--------------------------+
- rsp + 24 | unused |
- +--------------------------+
- rsp + 16 | mutex pointer |
- +--------------------------+
- rsp + 8 | condvar pointer |
- +--------------------------+
- rsp + 4 | old broadcast_seq value |
- +--------------------------+
- rsp + 0 | old cancellation mode |
- +--------------------------+
- */
-
- movq %rax, 24(%rsp)
-
- /* Get internal lock. */
- movq 8(%rsp), %rdi
- movl $1, %esi
- xorl %eax, %eax
- LOCK
-#if cond_lock == 0
- cmpxchgl %esi, (%rdi)
-#else
- cmpxchgl %esi, cond_lock(%rdi)
-#endif
- jz 1f
-
-#if cond_lock != 0
- addq $cond_lock, %rdi
-#endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- callq __lll_lock_wait
-#if cond_lock != 0
- subq $cond_lock, %rdi
-#endif
-
-1: movl broadcast_seq(%rdi), %edx
- cmpl 4(%rsp), %edx
- 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. */
- movq total_seq(%rdi), %rax
- cmpq wakeup_seq(%rdi), %rax
- jbe 6f
- incq wakeup_seq(%rdi)
- incl cond_futex(%rdi)
-6: incq woken_seq(%rdi)
-
-3: subl $(1 << nwaiters_shift), cond_nwaiters(%rdi)
-
- /* Wake up a thread which wants to destroy the condvar object. */
- xorl %ecx, %ecx
- cmpq $0xffffffffffffffff, total_seq(%rdi)
- jne 4f
- movl cond_nwaiters(%rdi), %eax
- andl $~((1 << nwaiters_shift) - 1), %eax
- jne 4f
-
- LP_OP(cmp) $-1, dep_mutex(%rdi)
- leaq cond_nwaiters(%rdi), %rdi
- movl $1, %edx
-#ifdef __ASSUME_PRIVATE_FUTEX
- movl $FUTEX_WAKE, %eax
- movl $(FUTEX_WAKE|FUTEX_PRIVATE_FLAG), %esi
- cmove %eax, %esi
-#else
- movl $0, %eax
- movl %fs:PRIVATE_FUTEX, %esi
- cmove %eax, %esi
- orl $FUTEX_WAKE, %esi
-#endif
- movl $SYS_futex, %eax
- syscall
- subq $cond_nwaiters, %rdi
- movl $1, %ecx
-
-4: LOCK
-#if cond_lock == 0
- decl (%rdi)
-#else
- decl cond_lock(%rdi)
-#endif
- je 2f
-#if cond_lock != 0
- addq $cond_lock, %rdi
-#endif
- LP_OP(cmp) $-1, dep_mutex-cond_lock(%rdi)
- movl $LLL_PRIVATE, %eax
- movl $LLL_SHARED, %esi
- cmovne %eax, %esi
- /* The call preserves %rcx. */
- callq __lll_unlock_wake
-
- /* Wake up all waiters to make sure no signal gets lost. */
-2: testl %ecx, %ecx
- jnz 5f
- addq $cond_futex, %rdi
- LP_OP(cmp) $-1, dep_mutex-cond_futex(%rdi)
- movl $0x7fffffff, %edx
-#ifdef __ASSUME_PRIVATE_FUTEX
- movl $FUTEX_WAKE, %eax
- movl $(FUTEX_WAKE|FUTEX_PRIVATE_FLAG), %esi
- cmove %eax, %esi
-#else
- movl $0, %eax
- movl %fs:PRIVATE_FUTEX, %esi
- cmove %eax, %esi
- orl $FUTEX_WAKE, %esi
-#endif
- movl $SYS_futex, %eax
- syscall
-
- /* 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: movq 16(%rsp), %rdi
- movl MUTEX_KIND(%rdi), %eax
- andl $(ROBUST_BIT|PI_BIT), %eax
- cmpl $PI_BIT, %eax
- jne 7f
-
- movl (%rdi), %eax
- andl $TID_MASK, %eax
- cmpl %eax, %fs:TID
- jne 7f
- /* We managed to get the lock. Fix it up before returning. */
- callq __pthread_mutex_cond_lock_adjust
- jmp 8f
-
-
-7: callq __pthread_mutex_cond_lock
-
-8: movq 24(%rsp), %rdi
-.LcallUR:
- call _Unwind_Resume@PLT
- hlt
-.LENDCODE:
- cfi_endproc
- .size __condvar_cleanup1, .-__condvar_cleanup1
-
-
- .section .gcc_except_table,"a",@progbits
-.LexceptSTART:
- .byte DW_EH_PE_omit # @LPStart format
- .byte DW_EH_PE_omit # @TType format
- .byte DW_EH_PE_uleb128 # call-site format
- .uleb128 .Lcstend-.Lcstbegin
-.Lcstbegin:
- .uleb128 .LcleanupSTART-.LSTARTCODE
- .uleb128 .LcleanupEND-.LcleanupSTART
- .uleb128 __condvar_cleanup1-.LSTARTCODE
- .uleb128 0
- .uleb128 .LcallUR-.LSTARTCODE
- .uleb128 .LENDCODE-.LcallUR
- .uleb128 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 LP_SIZE
- .type DW.ref.__gcc_personality_v0, @object
- .size DW.ref.__gcc_personality_v0, LP_SIZE
-DW.ref.__gcc_personality_v0:
- ASM_ADDR __gcc_personality_v0
-#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_once.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_once.S
deleted file mode 100644
index 2cbe2fae62..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_once.S
+++ /dev/null
@@ -1,193 +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 <kernel-features.h>
-#include <tcb-offsets.h>
-#include <lowlevellock.h>
-
-
- .comm __fork_generation, 4, 4
-
- .text
-
-
- .globl __pthread_once
- .type __pthread_once,@function
- .align 16
-__pthread_once:
-.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
- testl $2, (%rdi)
- jz 1f
- xorl %eax, %eax
- retq
-
- /* Preserve the function pointer. */
-1: pushq %rsi
- cfi_adjust_cfa_offset(8)
- xorq %r10, %r10
-
- /* Not yet initialized or initialization in progress.
- Get the fork generation counter now. */
-6: movl (%rdi), %eax
-
-5: movl %eax, %edx
-
- testl $2, %eax
- jnz 4f
-
- andl $3, %edx
- orl __fork_generation(%rip), %edx
- orl $1, %edx
-
- LOCK
- cmpxchgl %edx, (%rdi)
- 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, %esi
-#else
-# if FUTEX_WAIT == 0
- movl %fs:PRIVATE_FUTEX, %esi
-# else
- movl $FUTEX_WAIT, %esi
- orl %fs:PRIVATE_FUTEX, %esi
-# endif
-#endif
- movl $SYS_futex, %eax
- syscall
- jmp 6b
-
- /* Preserve the pointer to the control variable. */
-3: pushq %rdi
- cfi_adjust_cfa_offset(8)
- pushq %rdi
- cfi_adjust_cfa_offset(8)
-
-.LcleanupSTART:
- callq *16(%rsp)
-.LcleanupEND:
-
- /* Get the control variable address back. */
- popq %rdi
- cfi_adjust_cfa_offset(-8)
-
- /* Sucessful run of the initializer. Signal that we are done. */
- LOCK
- incl (%rdi)
-
- addq $8, %rsp
- cfi_adjust_cfa_offset(-8)
-
- /* Wake up all other threads. */
- movl $0x7fffffff, %edx
-#ifdef __ASSUME_PRIVATE_FUTEX
- movl $FUTEX_WAKE|FUTEX_PRIVATE_FLAG, %esi
-#else
- movl $FUTEX_WAKE, %esi
- orl %fs:PRIVATE_FUTEX, %esi
-#endif
- movl $SYS_futex, %eax
- syscall
-
-4: addq $8, %rsp
- cfi_adjust_cfa_offset(-8)
- xorl %eax, %eax
- retq
- .size __pthread_once,.-__pthread_once
-
-
-hidden_def (__pthread_once)
-strong_alias (__pthread_once, pthread_once)
-
-
- .type clear_once_control,@function
- .align 16
-clear_once_control:
- cfi_adjust_cfa_offset(3 * 8)
- movq (%rsp), %rdi
- movq %rax, %r8
- movl $0, (%rdi)
-
- movl $0x7fffffff, %edx
-#ifdef __ASSUME_PRIVATE_FUTEX
- movl $FUTEX_WAKE|FUTEX_PRIVATE_FLAG, %esi
-#else
- movl $FUTEX_WAKE, %esi
- orl %fs:PRIVATE_FUTEX, %esi
-#endif
- movl $SYS_futex, %eax
- syscall
-
- movq %r8, %rdi
-.LcallUR:
- call _Unwind_Resume@PLT
- hlt
-.LENDCODE:
- cfi_endproc
- .size clear_once_control,.-clear_once_control
-
-
- .section .gcc_except_table,"a",@progbits
-.LexceptSTART:
- .byte DW_EH_PE_omit # @LPStart format
- .byte DW_EH_PE_omit # @TType format
- .byte DW_EH_PE_uleb128 # call-site format
- .uleb128 .Lcstend-.Lcstbegin
-.Lcstbegin:
- .uleb128 .LcleanupSTART-.LSTARTCODE
- .uleb128 .LcleanupEND-.LcleanupSTART
- .uleb128 clear_once_control-.LSTARTCODE
- .uleb128 0
- .uleb128 .LcallUR-.LSTARTCODE
- .uleb128 .LENDCODE-.LcallUR
- .uleb128 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 LP_SIZE
- .type DW.ref.__gcc_personality_v0, @object
- .size DW.ref.__gcc_personality_v0, LP_SIZE
-DW.ref.__gcc_personality_v0:
- ASM_ADDR __gcc_personality_v0
-#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S
deleted file mode 100644
index 3bbb4c7f62..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S
+++ /dev/null
@@ -1,177 +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
-
- LIBC_PROBE (rdlock_entry, 1, %rdi)
-
- xorq %r10, %r10
-
- /* Get the lock. */
- movl $1, %esi
- xorl %eax, %eax
- LOCK
-#if MUTEX == 0
- cmpxchgl %esi, (%rdi)
-#else
- cmpxchgl %esi, MUTEX(%rdi)
-#endif
- jnz 1f
-
-2: movl WRITER(%rdi), %eax
- testl %eax, %eax
- jne 14f
- cmpl $0, WRITERS_QUEUED(%rdi)
- je 5f
- cmpl $0, FLAGS(%rdi)
- je 5f
-
-3: incl READERS_QUEUED(%rdi)
- je 4f
-
- movl READERS_WAKEUP(%rdi), %edx
-
- LOCK
-#if MUTEX == 0
- decl (%rdi)
-#else
- decl MUTEX(%rdi)
-#endif
- jne 10f
-
-11:
-#ifdef __ASSUME_PRIVATE_FUTEX
- movl $FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %esi
- xorl PSHARED(%rdi), %esi
-#else
-# if FUTEX_WAIT == 0
- movl PSHARED(%rdi), %esi
-# else
- movl $FUTEX_WAIT, %esi
- orl PSHARED(%rdi), %esi
-# endif
- xorl %fs:PRIVATE_FUTEX, %esi
-#endif
- addq $READERS_WAKEUP, %rdi
- movl $SYS_futex, %eax
- syscall
-
- subq $READERS_WAKEUP, %rdi
-
- /* Reget the lock. */
- movl $1, %esi
- xorl %eax, %eax
- LOCK
-#if MUTEX == 0
- cmpxchgl %esi, (%rdi)
-#else
- cmpxchgl %esi, MUTEX(%rdi)
-#endif
- jnz 12f
-
-13: decl READERS_QUEUED(%rdi)
- jmp 2b
-
-5: xorl %edx, %edx
- incl NR_READERS(%rdi)
- je 8f
-9: LOCK
-#if MUTEX == 0
- decl (%rdi)
-#else
- decl MUTEX(%rdi)
-#endif
- jne 6f
-7:
-
- movq %rdx, %rax
- retq
-
-1: movl PSHARED(%rdi), %esi
-#if MUTEX != 0
- addq $MUTEX, %rdi
-#endif
- callq __lll_lock_wait
-#if MUTEX != 0
- subq $MUTEX, %rdi
-#endif
- jmp 2b
-
-14: cmpl %fs:TID, %eax
- jne 3b
- /* Deadlock detected. */
- movl $EDEADLK, %edx
- jmp 9b
-
-6: movl PSHARED(%rdi), %esi
-#if MUTEX != 0
- addq $MUTEX, %rdi
-#endif
- callq __lll_unlock_wake
-#if MUTEX != 0
- subq $MUTEX, %rdi
-#endif
- jmp 7b
-
- /* Overflow. */
-8: decl NR_READERS(%rdi)
- movl $EAGAIN, %edx
- jmp 9b
-
- /* Overflow. */
-4: decl READERS_QUEUED(%rdi)
- movl $EAGAIN, %edx
- jmp 9b
-
-10: movl PSHARED(%rdi), %esi
-#if MUTEX != 0
- addq $MUTEX, %rdi
-#endif
- callq __lll_unlock_wake
-#if MUTEX != 0
- subq $MUTEX, %rdi
-#endif
- jmp 11b
-
-12: movl PSHARED(%rdi), %esi
-#if MUTEX == 0
- addq $MUTEX, %rdi
-#endif
- callq __lll_lock_wait
-#if MUTEX != 0
- subq $MUTEX, %rdi
-#endif
- 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/x86_64/pthread_rwlock_timedrdlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S
deleted file mode 100644
index 40bcc04a9d..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S
+++ /dev/null
@@ -1,274 +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
- pushq %r12
- cfi_adjust_cfa_offset(8)
- cfi_rel_offset(%r12, 0)
- pushq %r13
- cfi_adjust_cfa_offset(8)
- cfi_rel_offset(%r13, 0)
-#ifdef __ASSUME_FUTEX_CLOCK_REALTIME
-# define VALREG %edx
-#else
- pushq %r14
- cfi_adjust_cfa_offset(8)
- cfi_rel_offset(%r14, 0)
-
- subq $16, %rsp
- cfi_adjust_cfa_offset(16)
-# define VALREG %r14d
-#endif
-
- movq %rdi, %r12
- movq %rsi, %r13
-
- /* Get the lock. */
- movl $1, %esi
- xorl %eax, %eax
- LOCK
-#if MUTEX == 0
- cmpxchgl %esi, (%rdi)
-#else
- cmpxchgl %esi, MUTEX(%rdi)
-#endif
- jnz 1f
-
-2: movl WRITER(%r12), %eax
- testl %eax, %eax
- jne 14f
- cmpl $0, WRITERS_QUEUED(%r12)
- je 5f
- cmpl $0, FLAGS(%r12)
- je 5f
-
- /* Check the value of the timeout parameter. */
-3: cmpq $1000000000, 8(%r13)
- jae 19f
-
- incl READERS_QUEUED(%r12)
- je 4f
-
- movl READERS_WAKEUP(%r12), VALREG
-
- /* Unlock. */
- LOCK
-#if MUTEX == 0
- decl (%r12)
-#else
- decl MUTEX(%r12)
-#endif
- jne 10f
-
-11:
-#ifndef __ASSUME_FUTEX_CLOCK_REALTIME
-# ifdef PIC
- cmpl $0, __have_futex_clock_realtime(%rip)
-# else
- cmpl $0, __have_futex_clock_realtime
-# endif
- je .Lreltmo
-#endif
-
- cmpq $0, (%r13)
- js 16f /* Time is already up. */
-
- movl $FUTEX_PRIVATE_FLAG|FUTEX_WAIT_BITSET|FUTEX_CLOCK_REALTIME, %esi
- xorl PSHARED(%r12), %esi
- movq %r13, %r10
- movl $0xffffffff, %r9d
-#ifndef __ASSUME_FUTEX_CLOCK_REALTIME
- movl %r14d, %edx
-#endif
-21: leaq READERS_WAKEUP(%r12), %rdi
- movl $SYS_futex, %eax
- syscall
- movq %rax, %rdx
-
-#ifndef __ASSUME_FUTEX_CLOCK_REALTIME
- .subsection 2
-.Lreltmo:
- /* Get current time. */
- movq %rsp, %rdi
- xorl %esi, %esi
- /* This call works because we directly jump to a system call entry
- which preserves all the registers. */
- call JUMPTARGET(__gettimeofday)
-
- /* Compute relative timeout. */
- movq 8(%rsp), %rax
- movl $1000, %edi
- mul %rdi /* Milli seconds to nano seconds. */
- movq (%r13), %rcx
- movq 8(%r13), %rdi
- subq (%rsp), %rcx
- subq %rax, %rdi
- jns 15f
- addq $1000000000, %rdi
- decq %rcx
-15: testq %rcx, %rcx
- js 16f /* Time is already up. */
-
- /* Futex call. */
- movq %rcx, (%rsp) /* Store relative timeout. */
- movq %rdi, 8(%rsp)
-
-# ifdef __ASSUME_PRIVATE_FUTEX
- movl $FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %esi
- xorl PSHARED(%r12), %esi
-# else
-# if FUTEX_WAIT == 0
- movl PSHARED(%r12), %esi
-# else
- movl $FUTEX_WAIT, %esi
- orl PSHARED(%r12), %esi
-# endif
- xorl %fs:PRIVATE_FUTEX, %esi
-# endif
- movq %rsp, %r10
- movl %r14d, %edx
-
- jmp 21b
- .previous
-#endif
-
-17: /* Reget the lock. */
- movl $1, %esi
- xorl %eax, %eax
- LOCK
-#if MUTEX == 0
- cmpxchgl %esi, (%r12)
-#else
- cmpxchgl %esi, MUTEX(%r12)
-#endif
- jnz 12f
-
-13: decl READERS_QUEUED(%r12)
- cmpq $-ETIMEDOUT, %rdx
- jne 2b
-
-18: movl $ETIMEDOUT, %edx
- jmp 9f
-
-
-5: xorl %edx, %edx
- incl NR_READERS(%r12)
- je 8f
-9: LOCK
-#if MUTEX == 0
- decl (%r12)
-#else
- decl MUTEX(%r12)
-#endif
- jne 6f
-
-7: movq %rdx, %rax
-
-#ifndef __ASSUME_FUTEX_CLOCK_REALTIME
- addq $16, %rsp
- cfi_adjust_cfa_offset(-16)
- popq %r14
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r14)
-#endif
- popq %r13
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r13)
- popq %r12
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r12)
- retq
-
-#ifdef __ASSUME_PRIVATE_FUTEX
- cfi_adjust_cfa_offset(16)
- cfi_rel_offset(%r12, 8)
- cfi_rel_offset(%r13, 0)
-#else
- cfi_adjust_cfa_offset(40)
- cfi_offset(%r12, -16)
- cfi_offset(%r13, -24)
- cfi_offset(%r14, -32)
-#endif
-1: movl PSHARED(%rdi), %esi
-#if MUTEX != 0
- addq $MUTEX, %rdi
-#endif
- callq __lll_lock_wait
- jmp 2b
-
-14: cmpl %fs:TID, %eax
- jne 3b
- movl $EDEADLK, %edx
- jmp 9b
-
-6: movl PSHARED(%r12), %esi
-#if MUTEX == 0
- movq %r12, %rdi
-#else
- leal MUTEX(%r12), %rdi
-#endif
- callq __lll_unlock_wake
- jmp 7b
-
- /* Overflow. */
-8: decl NR_READERS(%r12)
- movl $EAGAIN, %edx
- jmp 9b
-
- /* Overflow. */
-4: decl READERS_QUEUED(%r12)
- movl $EAGAIN, %edx
- jmp 9b
-
-10: movl PSHARED(%r12), %esi
-#if MUTEX == 0
- movq %r12, %rdi
-#else
- leaq MUTEX(%r12), %rdi
-#endif
- callq __lll_unlock_wake
- jmp 11b
-
-12: movl PSHARED(%r12), %esi
-#if MUTEX == 0
- movq %r12, %rdi
-#else
- leaq MUTEX(%r12), %rdi
-#endif
- callq __lll_lock_wait
- jmp 13b
-
-16: movq $-ETIMEDOUT, %rdx
- 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/x86_64/pthread_rwlock_timedwrlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S
deleted file mode 100644
index f57ef5238c..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S
+++ /dev/null
@@ -1,266 +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
- pushq %r12
- cfi_adjust_cfa_offset(8)
- cfi_rel_offset(%r12, 0)
- pushq %r13
- cfi_adjust_cfa_offset(8)
- cfi_rel_offset(%r13, 0)
-#ifdef __ASSUME_FUTEX_CLOCK_REALTIME
-# define VALREG %edx
-#else
- pushq %r14
- cfi_adjust_cfa_offset(8)
- cfi_rel_offset(%r14, 0)
-
- subq $16, %rsp
- cfi_adjust_cfa_offset(16)
-# define VALREG %r14d
-#endif
-
- movq %rdi, %r12
- movq %rsi, %r13
-
- /* Get the lock. */
- movl $1, %esi
- xorl %eax, %eax
- LOCK
-#if MUTEX == 0
- cmpxchgl %esi, (%rdi)
-#else
- cmpxchgl %esi, MUTEX(%rdi)
-#endif
- jnz 1f
-
-2: movl WRITER(%r12), %eax
- testl %eax, %eax
- jne 14f
- cmpl $0, NR_READERS(%r12)
- je 5f
-
- /* Check the value of the timeout parameter. */
-3: cmpq $1000000000, 8(%r13)
- jae 19f
-
- incl WRITERS_QUEUED(%r12)
- je 4f
-
- movl WRITERS_WAKEUP(%r12), VALREG
-
- LOCK
-#if MUTEX == 0
- decl (%r12)
-#else
- decl MUTEX(%r12)
-#endif
- jne 10f
-
-11:
-#ifndef __ASSUME_FUTEX_CLOCK_REALTIME
-# ifdef PIC
- cmpl $0, __have_futex_clock_realtime(%rip)
-# else
- cmpl $0, __have_futex_clock_realtime
-# endif
- je .Lreltmo
-#endif
-
- cmpq $0, (%r13)
- js 16f /* Time is already up. */
-
- movl $FUTEX_PRIVATE_FLAG|FUTEX_WAIT_BITSET|FUTEX_CLOCK_REALTIME, %esi
- xorl PSHARED(%r12), %esi
- movq %r13, %r10
- movl $0xffffffff, %r9d
-#ifndef __ASSUME_FUTEX_CLOCK_REALTIME
- movl %r14d, %edx
-#endif
-21: leaq WRITERS_WAKEUP(%r12), %rdi
- movl $SYS_futex, %eax
- syscall
- movq %rax, %rdx
-
-#ifndef __ASSUME_FUTEX_CLOCK_REALTIME
- .subsection 2
-.Lreltmo:
- /* Get current time. */
- movq %rsp, %rdi
- xorl %esi, %esi
- /* This call works because we directly jump to a system call entry
- which preserves all the registers. */
- call JUMPTARGET(__gettimeofday)
-
- /* Compute relative timeout. */
- movq 8(%rsp), %rax
- movl $1000, %edi
- mul %rdi /* Milli seconds to nano seconds. */
- movq (%r13), %rcx
- movq 8(%r13), %rdi
- subq (%rsp), %rcx
- subq %rax, %rdi
- jns 15f
- addq $1000000000, %rdi
- decq %rcx
-15: testq %rcx, %rcx
- js 16f /* Time is already up. */
-
- /* Futex call. */
- movq %rcx, (%rsp) /* Store relative timeout. */
- movq %rdi, 8(%rsp)
-
-# ifdef __ASSUME_PRIVATE_FUTEX
- movl $FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %esi
- xorl PSHARED(%r12), %esi
-# else
-# if FUTEX_WAIT == 0
- movl PSHARED(%r12), %esi
-# else
- movl $FUTEX_WAIT, %esi
- orl PSHARED(%r12), %esi
-# endif
- xorl %fs:PRIVATE_FUTEX, %esi
-# endif
- movq %rsp, %r10
- movl %r14d, %edx
-
- jmp 21b
- .previous
-#endif
-
-17: /* Reget the lock. */
- movl $1, %esi
- xorl %eax, %eax
- LOCK
-#if MUTEX == 0
- cmpxchgl %esi, (%r12)
-#else
- cmpxchgl %esi, MUTEX(%r12)
-#endif
- jnz 12f
-
-13: decl WRITERS_QUEUED(%r12)
- cmpq $-ETIMEDOUT, %rdx
- jne 2b
-
-18: movl $ETIMEDOUT, %edx
- jmp 9f
-
-
-5: xorl %edx, %edx
- movl %fs:TID, %eax
- movl %eax, WRITER(%r12)
-9: LOCK
-#if MUTEX == 0
- decl (%r12)
-#else
- decl MUTEX(%r12)
-#endif
- jne 6f
-
-7: movq %rdx, %rax
-
-#ifndef __ASSUME_FUTEX_CLOCK_REALTIME
- addq $16, %rsp
- cfi_adjust_cfa_offset(-16)
- popq %r14
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r14)
-#endif
- popq %r13
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r13)
- popq %r12
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r12)
- retq
-
-#ifdef __ASSUME_PRIVATE_FUTEX
- cfi_adjust_cfa_offset(16)
- cfi_rel_offset(%r12, 8)
- cfi_rel_offset(%r13, 0)
-#else
- cfi_adjust_cfa_offset(40)
- cfi_offset(%r12, -16)
- cfi_offset(%r13, -24)
- cfi_offset(%r14, -32)
-#endif
-1: movl PSHARED(%rdi), %esi
-#if MUTEX != 0
- addq $MUTEX, %rdi
-#endif
- callq __lll_lock_wait
- jmp 2b
-
-14: cmpl %fs:TID, %eax
- jne 3b
-20: movl $EDEADLK, %edx
- jmp 9b
-
-6: movl PSHARED(%r12), %esi
-#if MUTEX == 0
- movq %r12, %rdi
-#else
- leal MUTEX(%r12), %rdi
-#endif
- callq __lll_unlock_wake
- jmp 7b
-
- /* Overflow. */
-4: decl WRITERS_QUEUED(%r12)
- movl $EAGAIN, %edx
- jmp 9b
-
-10: movl PSHARED(%r12), %esi
-#if MUTEX == 0
- movq %r12, %rdi
-#else
- leaq MUTEX(%r12), %rdi
-#endif
- callq __lll_unlock_wake
- jmp 11b
-
-12: movl PSHARED(%r12), %esi
-#if MUTEX == 0
- movq %r12, %rdi
-#else
- leaq MUTEX(%r12), %rdi
-#endif
- callq __lll_lock_wait
- jmp 13b
-
-16: movq $-ETIMEDOUT, %rdx
- 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/x86_64/pthread_rwlock_unlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S
deleted file mode 100644
index d779f7b759..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S
+++ /dev/null
@@ -1,126 +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
- /* Get the lock. */
- movl $1, %esi
- xorl %eax, %eax
- LOCK
-#if MUTEX == 0
- cmpxchgl %esi, (%rdi)
-#else
- cmpxchgl %esi, MUTEX(%rdi)
-#endif
- jnz 1f
-
-2: cmpl $0, WRITER(%rdi)
- jne 5f
- decl NR_READERS(%rdi)
- jnz 6f
-
-5: movl $0, WRITER(%rdi)
-
- movl $1, %edx
- leaq WRITERS_WAKEUP(%rdi), %r10
- cmpl $0, WRITERS_QUEUED(%rdi)
- jne 0f
-
- /* If also no readers waiting nothing to do. */
- cmpl $0, READERS_QUEUED(%rdi)
- je 6f
-
- movl $0x7fffffff, %edx
- leaq READERS_WAKEUP(%rdi), %r10
-
-0: incl (%r10)
- LOCK
-#if MUTEX == 0
- decl (%rdi)
-#else
- decl MUTEX(%rdi)
-#endif
- jne 7f
-
-8:
-#ifdef __ASSUME_PRIVATE_FUTEX
- movl $FUTEX_PRIVATE_FLAG|FUTEX_WAKE, %esi
- xorl PSHARED(%rdi), %esi
-#else
- movl $FUTEX_WAKE, %esi
- orl PSHARED(%rdi), %esi
- xorl %fs:PRIVATE_FUTEX, %esi
-#endif
- movl $SYS_futex, %eax
- movq %r10, %rdi
- syscall
-
- xorl %eax, %eax
- retq
-
- .align 16
-6: LOCK
-#if MUTEX == 0
- decl (%rdi)
-#else
- decl MUTEX(%rdi)
-#endif
- jne 3f
-
-4: xorl %eax, %eax
- retq
-
-1: movl PSHARED(%rdi), %esi
-#if MUTEX != 0
- addq $MUTEX, %rdi
-#endif
- callq __lll_lock_wait
-#if MUTEX != 0
- subq $MUTEX, %rdi
-#endif
- jmp 2b
-
-3: movl PSHARED(%rdi), %esi
-#if MUTEX != 0
- addq $MUTEX, %rdi
-#endif
- callq __lll_unlock_wake
- jmp 4b
-
-7: movl PSHARED(%rdi), %esi
-#if MUTEX != 0
- addq $MUTEX, %rdi
-#endif
- callq __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/x86_64/pthread_rwlock_wrlock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S
deleted file mode 100644
index e444def525..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S
+++ /dev/null
@@ -1,165 +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
-
- LIBC_PROBE (wrlock_entry, 1, %rdi)
-
- xorq %r10, %r10
-
- /* Get the lock. */
- movl $1, %esi
- xorl %eax, %eax
- LOCK
-#if MUTEX == 0
- cmpxchgl %esi, (%rdi)
-#else
- cmpxchgl %esi, MUTEX(%rdi)
-#endif
- jnz 1f
-
-2: movl WRITER(%rdi), %eax
- testl %eax, %eax
- jne 14f
- cmpl $0, NR_READERS(%rdi)
- je 5f
-
-3: incl WRITERS_QUEUED(%rdi)
- je 4f
-
- movl WRITERS_WAKEUP(%rdi), %edx
-
- LOCK
-#if MUTEX == 0
- decl (%rdi)
-#else
- decl MUTEX(%rdi)
-#endif
- jne 10f
-
-11:
-#ifdef __ASSUME_PRIVATE_FUTEX
- movl $FUTEX_PRIVATE_FLAG|FUTEX_WAIT, %esi
- xorl PSHARED(%rdi), %esi
-#else
-# if FUTEX_WAIT == 0
- movl PSHARED(%rdi), %esi
-# else
- movl $FUTEX_WAIT, %esi
- orl PSHARED(%rdi), %esi
-# endif
- xorl %fs:PRIVATE_FUTEX, %esi
-#endif
- addq $WRITERS_WAKEUP, %rdi
- movl $SYS_futex, %eax
- syscall
-
- subq $WRITERS_WAKEUP, %rdi
-
- /* Reget the lock. */
- movl $1, %esi
- xorl %eax, %eax
- LOCK
-#if MUTEX == 0
- cmpxchgl %esi, (%rdi)
-#else
- cmpxchgl %esi, MUTEX(%rdi)
-#endif
- jnz 12f
-
-13: decl WRITERS_QUEUED(%rdi)
- jmp 2b
-
-5: xorl %edx, %edx
- movl %fs:TID, %eax
- movl %eax, WRITER(%rdi)
-9: LOCK
-#if MUTEX == 0
- decl (%rdi)
-#else
- decl MUTEX(%rdi)
-#endif
- jne 6f
-7:
-
- movq %rdx, %rax
- retq
-
-1: movl PSHARED(%rdi), %esi
-#if MUTEX != 0
- addq $MUTEX, %rdi
-#endif
- callq __lll_lock_wait
-#if MUTEX != 0
- subq $MUTEX, %rdi
-#endif
- jmp 2b
-
-14: cmpl %fs:TID, %eax
- jne 3b
- movl $EDEADLK, %edx
- jmp 9b
-
-6: movl PSHARED(%rdi), %esi
-#if MUTEX != 0
- addq $MUTEX, %rdi
-#endif
- callq __lll_unlock_wake
- jmp 7b
-
-4: decl WRITERS_QUEUED(%rdi)
- movl $EAGAIN, %edx
- jmp 9b
-
-10: movl PSHARED(%rdi), %esi
-#if MUTEX != 0
- addq $MUTEX, %rdi
-#endif
- callq __lll_unlock_wake
-#if MUTEX != 0
- subq $MUTEX, %rdi
-#endif
- jmp 11b
-
-12: movl PSHARED(%rdi), %esi
-#if MUTEX != 0
- addq $MUTEX, %rdi
-#endif
- callq __lll_lock_wait
-#if MUTEX != 0
- subq $MUTEX, %rdi
-#endif
- 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/x86_64/pthread_setaffinity.c b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_setaffinity.c
deleted file mode 100644
index 640d3044fd..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_setaffinity.c
+++ /dev/null
@@ -1,14 +0,0 @@
-#include <tls.h>
-
-#define RESET_VGETCPU_CACHE() \
- do { \
- asm volatile ("movl %0, %%fs:%P1\n\t" \
- "movl %0, %%fs:%P2" \
- : \
- : "ir" (0), "i" (offsetof (struct pthread, \
- header.vgetcpu_cache[0])), \
- "i" (offsetof (struct pthread, \
- header.vgetcpu_cache[1]))); \
- } while (0)
-
-#include "../pthread_setaffinity.c"
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S
deleted file mode 100644
index 1c11600468..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S
+++ /dev/null
@@ -1,75 +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 <shlib-compat.h>
-#include <pthread-errnos.h>
-#include <structsem.h>
-
-
- .text
-
- .globl sem_post
- .type sem_post,@function
- .align 16
-sem_post:
-#if VALUE == 0
- movl (%rdi), %eax
-#else
- movl VALUE(%rdi), %eax
-#endif
-0: cmpl $SEM_VALUE_MAX, %eax
- je 3f
- leal 1(%rax), %esi
- LOCK
-#if VALUE == 0
- cmpxchgl %esi, (%rdi)
-#else
- cmpxchgl %esi, VALUE(%rdi)
-#endif
- jnz 0b
-
- LP_OP(cmp) $0, NWAITERS(%rdi)
- je 2f
-
- movl $SYS_futex, %eax
- movl $FUTEX_WAKE, %esi
- orl PRIVATE(%rdi), %esi
- movl $1, %edx
- syscall
-
- testq %rax, %rax
- js 1f
-
-2: xorl %eax, %eax
- retq
-
-1:
- movl $EINVAL, %eax
- jmp 4f
-
-3:
- movl $EOVERFLOW, %eax
-
-4:
- movq errno@gottpoff(%rip), %rdx
- movl %eax, %fs:(%rdx)
- orl $-1, %eax
- retq
- .size sem_post,.-sem_post
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S
deleted file mode 100644
index 880610e682..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S
+++ /dev/null
@@ -1,380 +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 <kernel-features.h>
-#include <lowlevellock.h>
-#include <shlib-compat.h>
-#include <pthread-errnos.h>
-#include <structsem.h>
-
- .text
-
- .globl sem_timedwait
- .type sem_timedwait,@function
- .align 16
-sem_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
-#if VALUE == 0
- movl (%rdi), %eax
-#else
- movl VALUE(%rdi), %eax
-#endif
-2: testl %eax, %eax
- je 1f
-
- leaq -1(%rax), %rdx
- LOCK
-#if VALUE == 0
- cmpxchgl %edx, (%rdi)
-#else
- cmpxchgl %edx, VALUE(%rdi)
-#endif
- jne 2b
-
- xorl %eax, %eax
- retq
-
- /* Check whether the timeout value is valid. */
-1: cmpq $1000000000, 8(%rsi)
- jae 6f
-
-#ifndef __ASSUME_FUTEX_CLOCK_REALTIME
-# ifdef PIC
- cmpl $0, __have_futex_clock_realtime(%rip)
-# else
- cmpl $0, __have_futex_clock_realtime
-# endif
- je .Lreltmo
-#endif
-
- cmpq $0, (%rsi)
- js 16f
-
- /* This push is only needed to store the sem_t pointer for the
- exception handler. */
- pushq %rdi
- cfi_adjust_cfa_offset(8)
-
- movq %rsi, %r10
-
- LOCK
- LP_OP(add) $1, NWAITERS(%rdi)
-
-.LcleanupSTART:
-13: call __pthread_enable_asynccancel
- movl %eax, %r8d
-
-#if VALUE != 0
- leaq VALUE(%rdi), %rdi
-#endif
- movl $0xffffffff, %r9d
- movl $FUTEX_WAIT_BITSET|FUTEX_CLOCK_REALTIME, %esi
- orl PRIVATE(%rdi), %esi
- movl $SYS_futex, %eax
- xorl %edx, %edx
- syscall
- movq %rax, %r9
-#if VALUE != 0
- leaq -VALUE(%rdi), %rdi
-#endif
-
- xchgq %r8, %rdi
- call __pthread_disable_asynccancel
-.LcleanupEND:
- movq %r8, %rdi
-
- testq %r9, %r9
- je 11f
- cmpq $-EWOULDBLOCK, %r9
- jne 3f
-
-11:
-#if VALUE == 0
- movl (%rdi), %eax
-#else
- movl VALUE(%rdi), %eax
-#endif
-14: testl %eax, %eax
- je 13b
-
- leaq -1(%rax), %rcx
- LOCK
-#if VALUE == 0
- cmpxchgl %ecx, (%rdi)
-#else
- cmpxchgl %ecx, VALUE(%rdi)
-#endif
- jne 14b
-
- xorl %eax, %eax
-
-15: LOCK
- LP_OP(sub) $1, NWAITERS(%rdi)
-
- leaq 8(%rsp), %rsp
- cfi_adjust_cfa_offset(-8)
- retq
-
- cfi_adjust_cfa_offset(8)
-3: negq %r9
- movq errno@gottpoff(%rip), %rdx
- movl %r9d, %fs:(%rdx)
-
- orl $-1, %eax
- jmp 15b
-
- cfi_adjust_cfa_offset(-8)
-6:
- movq errno@gottpoff(%rip), %rdx
- movl $EINVAL, %fs:(%rdx)
-
- orl $-1, %eax
-
- retq
-
-16:
- movq errno@gottpoff(%rip), %rdx
- movl $ETIMEDOUT, %fs:(%rdx)
-
- orl $-1, %eax
-
- retq
-
-#ifndef __ASSUME_FUTEX_CLOCK_REALTIME
-.Lreltmo:
- pushq %r12
- cfi_adjust_cfa_offset(8)
- cfi_rel_offset(%r12, 0)
- pushq %r13
- cfi_adjust_cfa_offset(8)
- cfi_rel_offset(%r13, 0)
- pushq %r14
- cfi_adjust_cfa_offset(8)
- cfi_rel_offset(%r14, 0)
-
-#ifdef __ASSUME_FUTEX_CLOCK_REALTIME
-# define STACKFRAME 8
-#else
-# define STACKFRAME 24
-#endif
- subq $STACKFRAME, %rsp
- cfi_adjust_cfa_offset(STACKFRAME)
-
- movq %rdi, %r12
- movq %rsi, %r13
-
- LOCK
- LP_OP(add) $1, NWAITERS(%r12)
-
-7: xorl %esi, %esi
- movq %rsp,%rdi
- /* This call works because we directly jump to a system call entry
- which preserves all the registers. */
- call JUMPTARGET(__gettimeofday)
-
- /* Compute relative timeout. */
- movq 8(%rsp), %rax
- movl $1000, %edi
- mul %rdi /* Milli seconds to nano seconds. */
- movq (%r13), %rdi
- movq 8(%r13), %rsi
- subq (%rsp), %rdi
- subq %rax, %rsi
- jns 5f
- addq $1000000000, %rsi
- decq %rdi
-5: testq %rdi, %rdi
- movl $ETIMEDOUT, %r14d
- js 36f /* Time is already up. */
-
- movq %rdi, (%rsp) /* Store relative timeout. */
- movq %rsi, 8(%rsp)
-
-.LcleanupSTART2:
- call __pthread_enable_asynccancel
- movl %eax, 16(%rsp)
-
- movq %rsp, %r10
-# if VALUE == 0
- movq %r12, %rdi
-# else
- leaq VALUE(%r12), %rdi
-# endif
-# if FUTEX_WAIT == 0
- movl PRIVATE(%rdi), %esi
-# else
- movl $FUTEX_WAIT, %esi
- orl PRIVATE(%rdi), %esi
-# endif
- movl $SYS_futex, %eax
- xorl %edx, %edx
- syscall
- movq %rax, %r14
-
- movl 16(%rsp), %edi
- call __pthread_disable_asynccancel
-.LcleanupEND2:
-
- testq %r14, %r14
- je 9f
- cmpq $-EWOULDBLOCK, %r14
- jne 33f
-
-9:
-# if VALUE == 0
- movl (%r12), %eax
-# else
- movl VALUE(%r12), %eax
-# endif
-8: testl %eax, %eax
- je 7b
-
- leaq -1(%rax), %rcx
- LOCK
-# if VALUE == 0
- cmpxchgl %ecx, (%r12)
-# else
- cmpxchgl %ecx, VALUE(%r12)
-# endif
- jne 8b
-
- xorl %eax, %eax
-
-45: LOCK
- LP_OP(sub) $1, NWAITERS(%r12)
-
- addq $STACKFRAME, %rsp
- cfi_adjust_cfa_offset(-STACKFRAME)
- popq %r14
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r14)
- popq %r13
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r13)
- popq %r12
- cfi_adjust_cfa_offset(-8)
- cfi_restore(%r12)
- retq
-
- cfi_adjust_cfa_offset(STACKFRAME + 3 * 8)
- cfi_rel_offset(%r12, STACKFRAME + 2 * 8)
- cfi_rel_offset(%r13, STACKFRAME + 1 * 8)
- cfi_rel_offset(%r14, STACKFRAME)
-33: negq %r14
-36:
- movq errno@gottpoff(%rip), %rdx
- movl %r14d, %fs:(%rdx)
-
- orl $-1, %eax
- jmp 45b
-#endif
- cfi_endproc
- .size sem_timedwait,.-sem_timedwait
-
-
- .type sem_timedwait_cleanup,@function
-sem_timedwait_cleanup:
- cfi_startproc
- cfi_adjust_cfa_offset(8)
-
- movq (%rsp), %rdi
- LOCK
- LP_OP(sub) $1, NWAITERS(%rdi)
- movq %rax, %rdi
-.LcallUR:
- call _Unwind_Resume@PLT
- hlt
-.LENDCODE:
- cfi_endproc
- .size sem_timedwait_cleanup,.-sem_timedwait_cleanup
-
-
-#ifndef __ASSUME_FUTEX_CLOCK_REALTIME
- .type sem_timedwait_cleanup2,@function
-sem_timedwait_cleanup2:
- cfi_startproc
- cfi_adjust_cfa_offset(STACKFRAME + 3 * 8)
- cfi_rel_offset(%r12, STACKFRAME + 2 * 8)
- cfi_rel_offset(%r13, STACKFRAME + 1 * 8)
- cfi_rel_offset(%r14, STACKFRAME)
-
- LOCK
- LP_OP(sub) $1, NWAITERS(%r12)
- movq %rax, %rdi
- movq STACKFRAME(%rsp), %r14
- movq STACKFRAME+8(%rsp), %r13
- movq STACKFRAME+16(%rsp), %r12
-.LcallUR2:
- call _Unwind_Resume@PLT
- hlt
-.LENDCODE2:
- cfi_endproc
- .size sem_timedwait_cleanup2,.-sem_timedwait_cleanup2
-#endif
-
-
- .section .gcc_except_table,"a",@progbits
-.LexceptSTART:
- .byte DW_EH_PE_omit # @LPStart format
- .byte DW_EH_PE_omit # @TType format
- .byte DW_EH_PE_uleb128 # call-site format
- .uleb128 .Lcstend-.Lcstbegin
-.Lcstbegin:
- .uleb128 .LcleanupSTART-.LSTARTCODE
- .uleb128 .LcleanupEND-.LcleanupSTART
- .uleb128 sem_timedwait_cleanup-.LSTARTCODE
- .uleb128 0
-#ifndef __ASSUME_FUTEX_CLOCK_REALTIME
- .uleb128 .LcleanupSTART2-.LSTARTCODE
- .uleb128 .LcleanupEND2-.LcleanupSTART2
- .uleb128 sem_timedwait_cleanup2-.LSTARTCODE
- .uleb128 0
-#endif
- .uleb128 .LcallUR-.LSTARTCODE
- .uleb128 .LENDCODE-.LcallUR
- .uleb128 0
- .uleb128 0
-#ifndef __ASSUME_FUTEX_CLOCK_REALTIME
- .uleb128 .LcallUR2-.LSTARTCODE
- .uleb128 .LENDCODE2-.LcallUR2
- .uleb128 0
- .uleb128 0
-#endif
-.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 LP_SIZE
- .type DW.ref.__gcc_personality_v0, @object
- .size DW.ref.__gcc_personality_v0, LP_SIZE
-DW.ref.__gcc_personality_v0:
- ASM_ADDR __gcc_personality_v0
-#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S
deleted file mode 100644
index 1893a34737..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_trywait.S
+++ /dev/null
@@ -1,47 +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 <shlib-compat.h>
-#include <pthread-errnos.h>
-
- .text
-
- .globl sem_trywait
- .type sem_trywait,@function
- .align 16
-sem_trywait:
- movl (%rdi), %eax
-2: testl %eax, %eax
- jz 1f
-
- leal -1(%rax), %edx
- LOCK
- cmpxchgl %edx, (%rdi)
- jne 2b
-
- xorl %eax, %eax
- retq
-
-1:
- movq errno@gottpoff(%rip), %rdx
- movl $EAGAIN, %fs:(%rdx)
- orl $-1, %eax
- retq
- .size sem_trywait,.-sem_trywait
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S
deleted file mode 100644
index 8f4d0686ec..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S
+++ /dev/null
@@ -1,176 +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 <shlib-compat.h>
-#include <pthread-errnos.h>
-#include <structsem.h>
-
-
- .text
-
- .globl sem_wait
- .type sem_wait,@function
- .align 16
-sem_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
-
-#if VALUE == 0
- movl (%rdi), %eax
-#else
- movl VALUE(%rdi), %eax
-#endif
-2: testl %eax, %eax
- je 1f
-
- leal -1(%rax), %edx
- LOCK
-#if VALUE == 0
- cmpxchgl %edx, (%rdi)
-#else
- cmpxchgl %edx, VALUE(%rdi)
-#endif
- jne 2b
-
- xorl %eax, %eax
- retq
-
- /* This push is only needed to store the sem_t pointer for the
- exception handler. */
-1: pushq %rdi
- cfi_adjust_cfa_offset(8)
-
- LOCK
- LP_OP(add) $1, NWAITERS(%rdi)
-
-.LcleanupSTART:
-6: call __pthread_enable_asynccancel
- movl %eax, %r8d
-
- xorq %r10, %r10
- movl $SYS_futex, %eax
-#if FUTEX_WAIT == 0
- movl PRIVATE(%rdi), %esi
-#else
- movl $FUTEX_WAIT, %esi
- orl PRIVATE(%rdi), %esi
-#endif
- xorl %edx, %edx
- syscall
- movq %rax, %rcx
-
- xchgq %r8, %rdi
- call __pthread_disable_asynccancel
-.LcleanupEND:
- movq %r8, %rdi
-
- testq %rcx, %rcx
- je 3f
- cmpq $-EWOULDBLOCK, %rcx
- jne 4f
-
-3:
-#if VALUE == 0
- movl (%rdi), %eax
-#else
- movl VALUE(%rdi), %eax
-#endif
-5: testl %eax, %eax
- je 6b
-
- leal -1(%rax), %edx
- LOCK
-#if VALUE == 0
- cmpxchgl %edx, (%rdi)
-#else
- cmpxchgl %edx, VALUE(%rdi)
-#endif
- jne 5b
-
- xorl %eax, %eax
-
-9: LOCK
- LP_OP(sub) $1, NWAITERS(%rdi)
-
- leaq 8(%rsp), %rsp
- cfi_adjust_cfa_offset(-8)
-
- retq
-
- cfi_adjust_cfa_offset(8)
-4: negq %rcx
- movq errno@gottpoff(%rip), %rdx
- movl %ecx, %fs:(%rdx)
- orl $-1, %eax
-
- jmp 9b
- .size sem_wait,.-sem_wait
-
-
- .type sem_wait_cleanup,@function
-sem_wait_cleanup:
- movq (%rsp), %rdi
- LOCK
- LP_OP(sub) $1, NWAITERS(%rdi)
- movq %rax, %rdi
-.LcallUR:
- call _Unwind_Resume@PLT
- hlt
-.LENDCODE:
- cfi_endproc
- .size sem_wait_cleanup,.-sem_wait_cleanup
-
-
- .section .gcc_except_table,"a",@progbits
-.LexceptSTART:
- .byte DW_EH_PE_omit # @LPStart format
- .byte DW_EH_PE_omit # @TType format
- .byte DW_EH_PE_uleb128 # call-site format
- .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:
-
-
-#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 LP_SIZE
- .type DW.ref.__gcc_personality_v0, @object
- .size DW.ref.__gcc_personality_v0, LP_SIZE
-DW.ref.__gcc_personality_v0:
- ASM_ADDR __gcc_personality_v0
-#endif
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h
deleted file mode 100644
index 83cd25fe8d..0000000000
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h
+++ /dev/null
@@ -1,109 +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
-
-/* The code to disable cancellation depends on the fact that the called
- functions are special. They don't modify registers other than %rax
- and %r11 if they return. Therefore we don't have to preserve other
- registers around these calls. */
-# undef PSEUDO
-# define PSEUDO(name, syscall_name, args) \
- .text; \
- ENTRY (name) \
- SINGLE_THREAD_P; \
- jne L(pseudo_cancel); \
- .type __##syscall_name##_nocancel,@function; \
- .globl __##syscall_name##_nocancel; \
- __##syscall_name##_nocancel: \
- DO_CALL (syscall_name, args); \
- cmpq $-4095, %rax; \
- jae SYSCALL_ERROR_LABEL; \
- ret; \
- .size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel; \
- L(pseudo_cancel): \
- /* We always have to align the stack before calling a function. */ \
- subq $8, %rsp; cfi_adjust_cfa_offset (8); \
- CENABLE \
- /* The return value from CENABLE is argument for CDISABLE. */ \
- movq %rax, (%rsp); \
- DO_CALL (syscall_name, args); \
- movq (%rsp), %rdi; \
- /* Save %rax since it's the error code from the syscall. */ \
- movq %rax, %rdx; \
- CDISABLE \
- movq %rdx, %rax; \
- addq $8,%rsp; cfi_adjust_cfa_offset (-8); \
- cmpq $-4095, %rax; \
- jae SYSCALL_ERROR_LABEL
-
-
-# ifdef IS_IN_libpthread
-# define CENABLE call __pthread_enable_asynccancel;
-# define CDISABLE call __pthread_disable_asynccancel;
-# define __local_multiple_threads __pthread_multiple_threads
-# elif !defined NOT_IN_libc
-# define CENABLE call __libc_enable_asynccancel;
-# define CDISABLE call __libc_disable_asynccancel;
-# define __local_multiple_threads __libc_multiple_threads
-# elif defined IS_IN_librt
-# define CENABLE call __librt_enable_asynccancel;
-# define CDISABLE call __librt_disable_asynccancel;
-# else
-# error Unsupported library
-# endif
-
-# if defined IS_IN_libpthread || !defined NOT_IN_libc
-# ifndef __ASSEMBLER__
-extern int __local_multiple_threads attribute_hidden;
-# define SINGLE_THREAD_P \
- __builtin_expect (__local_multiple_threads == 0, 1)
-# else
-# define SINGLE_THREAD_P cmpl $0, __local_multiple_threads(%rip)
-# endif
-
-# else
-
-# ifndef __ASSEMBLER__
-# define SINGLE_THREAD_P \
- __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
- header.multiple_threads) == 0, 1)
-# else
-# define SINGLE_THREAD_P cmpl $0, %fs:MULTIPLE_THREADS_OFFSET
-# endif
-
-# 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