+2003-03-12 Ulrich Drepper <drepper@redhat.com>
+
+ * sysdeps/x86_64/tls.h [__ASSEMBLER__]: Include tcb-offsets.h.
+ * sysdeps/x86_64/tcb-offsets.sym: New file.
+ * sysdeps/x86_64/Makefile: New file.
+
+ * sysdeps/i386/tcb-offsets.sym: Add SELF.
+ * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S: Use SELF
+ to access own pthread_t in TCB.
+ * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedrdlock.S:
+ Likewise.
+ * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_timedwrlock.S:
+ Likewise.
+ * sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_wrlock.S: Likewise.
+
2003-03-12 Roland McGrath <roland@redhat.com>
* pthread-errnos.sym: New file.
2003-03-12 Ulrich Drepper <drepper@redhat.com>
+ * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S: New
+ file.
+ * sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S: New
+ file.
+
+ * sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h
+ (pthread_cond_t): Add padding.
+
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S: New file.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S: New file.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S: New file.
#include <sysdep.h>
#include <tls.h>
+SELF offsetof (tcbhead_t, self)
MULTIPLE_THREADS_OFFSET offsetof (tcbhead_t, multiple_threads)
SYSINFO_OFFSET offsetof (tcbhead_t, sysinfo)
CLEANUP offsetof (struct pthread, cleanup)
call __lll_mutex_lock_wait
jmp 2b
-14: cmpl %gs:8, %eax
+14: cmpl %gs:SELF, %eax
jne 3b
/* Deadlock detected. */
movl $EDEADLK, %ecx
call __lll_mutex_lock_wait
jmp 2b
-14: cmpl %gs:8, %eax
+14: cmpl %gs:SELF, %eax
jne 3b
movl $EDEADLK, %ecx
jmp 9b
5: xorl %ecx, %ecx
- movl %gs:8, %eax
+ movl %gs:SELF, %eax
movl %eax, WRITER(%ebp)
9: LOCK
#if MUTEX == 0
call __lll_mutex_lock_wait
jmp 2b
-14: cmpl %gs:8, %eax
+14: cmpl %gs:SELF, %eax
jne 3b
20: movl $EDEADLK, %ecx
jmp 9b
jmp 2b
5: xorl %ecx, %ecx
- movl %gs:8, %eax
+ movl %gs:SELF, %eax
movl %eax, WRITER(%ebx)
9: LOCK
#if MUTEX == 0
call __lll_mutex_lock_wait
jmp 2b
-14: cmpl %gs:8, %eax
+14: cmpl %gs:SELF, %eax
jne 3b
movl $EDEADLK, %ecx
jmp 9b
#endif
jmp 2b
-14: cmpq %gs:16, %rax
+14: cmpq %fs:SELF, %rax
jne 3b
/* Deadlock detected. */
movq $EDEADLK, %rcx
--- /dev/null
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep.h>
+#include <lowlevelrwlock.h>
+#include <pthread-errnos.h>
+
+
+#define SYS_gettimeofday __NR_gettimeofday
+#define SYS_futex 202
+#define FUTEX_WAIT 0
+#define FUTEX_WAKE 1
+
+#ifndef UP
+# define LOCK lock
+#else
+# define LOCK
+#endif
+
+
+ .text
+
+ .globl pthread_rwlock_timedrdlock
+ .type pthread_rwlock_timedrdlock,@function
+ .align 16
+pthread_rwlock_timedrdlock:
+ subq $16, %rsp
+
+ movq %rdi, %r8
+ movq %rsi, %r9
+ xorq %r10, %r10
+
+ /* Get the lock. */
+ movl $1, %esi
+ LOCK
+#if MUTEX == 0
+ xaddl %esi, (%rdi)
+#else
+ xaddl %esi, MUTEX(%rdi)
+#endif
+ testl %esi, %esi
+ jne 1f
+
+2: movq WRITER(%r8), %rax
+ testq %rax, %rax
+ jne 14f
+ cmpl $0, WRITERS_QUEUED(%r8)
+ je 5f
+ cmpl $0, FLAGS(%r8)
+ je 5f
+
+ /* Check the value of the timeout parameter. */
+3: cmpl $1000000000, 8(%r9)
+ jae 19f
+
+ incl READERS_QUEUED(%r8)
+ je 4f
+
+ movl READERS_WAKEUP(%r8), %edx
+
+ /* Unlock. */
+ LOCK
+#if MUTEX == 0
+ subl $1, (%r8)
+#else
+ subl $1, MUTEX(%r8)
+#endif
+ jne 10f
+
+ /* Get current time. */
+11: movq %rsp, %rdi
+ xorq %rsi, %rsi
+ movq $SYS_gettimeofday, %rax
+ syscall
+
+ /* Compute relative timeout. */
+ movq 8(%rsp), %rax
+ movq $1000, %rdi
+ mul %rdi /* Milli seconds to nano seconds. */
+ movq (%r9), %rcx
+ movq 8(%r9), %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)
+
+ xorq %rsi, %rsi /* movq $FUTEX_WAIT, %rsi */
+ leaq READERS_WAKEUP(%r8), %rdi
+ movq $SYS_futex, %rax
+ syscall
+ movq %rax, %rdx
+17:
+
+ /* Reget the lock. */
+ movl $1, %esi
+ LOCK
+#if MUTEX == 0
+ xaddl %esi, (%r8)
+#else
+ xaddl %esi, MUTEX(%r8)
+#endif
+ testl %esi, %esi
+ jne 12f
+
+13: decl READERS_QUEUED(%r8)
+ cmpq $-ETIMEDOUT, %rdx
+ jne 2b
+
+18: movq $ETIMEDOUT, %rcx
+ jmp 9f
+
+
+5: xorq %rcx, %rcx
+ incl NR_READERS(%r8)
+ je 8f
+9: LOCK
+#if MUTEX == 0
+ decl (%r8)
+#else
+ decl MUTEX(%r8)
+#endif
+ jne 6f
+
+7: movq %rcx, %rax
+
+ addq $16, %rsp
+ retq
+
+1:
+#if MUTEX != 0
+ addq $MUTEX, %rdi
+#endif
+ callq __lll_mutex_lock_wait
+ jmp 2b
+
+14: cmpq %fs:SELF, %rax
+ jne 3b
+ movq $EDEADLK, %rcx
+ jmp 9b
+
+6:
+#if MUTEX == 0
+ movq %r8, %rdi
+#else
+ leal MUTEX(%r8), %rdi
+#endif
+ callq __lll_mutex_unlock_wake
+ jmp 7b
+
+ /* Overflow. */
+8: decl NR_READERS(%r8)
+ movq $EAGAIN, %rcx
+ jmp 9b
+
+ /* Overflow. */
+4: decl READERS_QUEUED(%r8)
+ movq $EAGAIN, %rcx
+ jmp 9b
+
+10:
+#if MUTEX == 0
+ movq %r8, %rdi
+#else
+ leaq MUTEX(%r8), %rdi
+#endif
+ callq __lll_mutex_unlock_wake
+ jmp 11b
+
+12:
+#if MUTEX == 0
+ movq %r8, %rdi
+#else
+ leaq MUTEX(%r8), %rdi
+#endif
+ call __lll_mutex_lock_wait
+ jmp 13b
+
+16: movq $-ETIMEDOUT, %rdx
+ jmp 17b
+
+19: movq $EINVAL, %rcx
+ jmp 9b
+ .size pthread_rwlock_timedrdlock,.-pthread_rwlock_timedrdlock
--- /dev/null
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep.h>
+#include <lowlevelrwlock.h>
+#include <pthread-errnos.h>
+
+
+#define SYS_gettimeofday __NR_gettimeofday
+#define SYS_futex 202
+#define FUTEX_WAIT 0
+#define FUTEX_WAKE 1
+
+#ifndef UP
+# define LOCK lock
+#else
+# define LOCK
+#endif
+
+
+ .text
+
+ .globl pthread_rwlock_timedwrlock
+ .type pthread_rwlock_timedwrlock,@function
+ .align 16
+pthread_rwlock_timedwrlock:
+ subq $16, %rsp
+
+ movq %rdi, %r8
+ movq %rsi, %r9
+
+ /* Get the lock. */
+ movl $1, %esi
+ LOCK
+#if MUTEX == 0
+ xaddl %esi, (%rdi)
+#else
+ xaddl %esi, MUTEX(%rdi)
+#endif
+ testl %esi, %esi
+ jne 1f
+
+2: movq WRITER(%r8), %rax
+ testq %rax, %rax
+ jne 14f
+ cmpl $0, NR_READERS(%r8)
+ je 5f
+
+ /* Check the value of the timeout parameter. */
+3: cmpq $1000000000, 8(%r9)
+ jae 19f
+
+ incl WRITERS_QUEUED(%r8)
+ je 4f
+
+ movl WRITERS_WAKEUP(%r8), %edx
+
+ LOCK
+#if MUTEX == 0
+ decl (%r8)
+#else
+ decl MUTEX(%r8)
+#endif
+ jne 10f
+
+ /* Get current time. */
+11: movq %rsp, %rdi
+ xorq %rsi, %rsi
+ movq $SYS_gettimeofday, %rax
+ syscall
+
+ /* Compute relative timeout. */
+ movq 8(%rsp), %rax
+ movq $1000, %rdi
+ mul %rdi /* Milli seconds to nano seconds. */
+ movq (%r9), %rcx
+ movq 8(%r9), %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)
+
+ xorq %rsi, %rsi /* movq $FUTEX_WAIT, %rsi */
+ movq %rsp, %r10
+ leaq WRITERS_WAKEUP(%r8), %rdi
+ movq $SYS_futex, %rax
+ syscall
+ movq %rax, %rdx
+17:
+
+ /* Reget the lock. */
+ movl $1, %esi
+ LOCK
+#if MUTEX == 0
+ xaddl %esi, (%r8)
+#else
+ xaddl %esi, MUTEX(%r8)
+#endif
+ testl %esi, %esi
+ jne 12f
+
+13: decl WRITERS_QUEUED(%r8)
+ cmpq $-ETIMEDOUT, %rdx
+ jne 2b
+
+18: movq $ETIMEDOUT, %rcx
+ jmp 9f
+
+
+5: xorq %rcx, %rcx
+ movq %fs:SELF, %rax
+ movq %rax, WRITER(%r8)
+9: LOCK
+#if MUTEX == 0
+ decl (%r8)
+#else
+ decl MUTEX(%r8)
+#endif
+ jne 6f
+
+7: movq %rcx, %rax
+
+ addq $16, %rsp
+ retq
+
+1:
+#if MUTEX != 0
+ addq $MUTEX, %rdi
+#endif
+ callq __lll_mutex_lock_wait
+ jmp 2b
+
+14: cmpq %fs:SELF, %rax
+ jne 3b
+20: movq $EDEADLK, %rcx
+ jmp 9b
+
+6:
+#if MUTEX == 0
+ movq %r8, %rdi
+#else
+ leal MUTEX(%r8), %rdi
+#endif
+ callq __lll_mutex_unlock_wake
+ jmp 7b
+
+ /* Overflow. */
+4: decl WRITERS_QUEUED(%r8)
+ movq $EAGAIN, %rcx
+ jmp 9b
+
+10:
+#if MUTEX == 0
+ movq %r8, %rdi
+#else
+ leaq MUTEX(%r8), %rdi
+#endif
+ callq __lll_mutex_unlock_wake
+ jmp 11b
+
+12:
+#if MUTEX == 0
+ movq %r8, %rdi
+#else
+ leaq MUTEX(%r8), %rdi
+#endif
+ callq __lll_mutex_lock_wait
+ jmp 13b
+
+16: movq $-ETIMEDOUT, %rdx
+ jmp 17b
+
+19: movq $EINVAL, %rcx
+ jmp 9b
+ .size pthread_rwlock_timedwrlock,.-pthread_rwlock_timedwrlock
jmp 2b
5: xorq %rcx, %rcx
- movq %gs:16, %rax
+ movq %fs:SELF, %rax
movq %rax, WRITER(%rdi)
9: LOCK
#if MUTEX == 0
#endif
jmp 2b
-14: cmpq %gs:16, %rax
+14: cmpq %fs:SELF, %rax
jne 3b
movq $EDEADLK, %rcx
jmp 9b
--- /dev/null
+# Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+# This file is part of the GNU C Library.
+
+# The GNU C Library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+
+# The GNU C Library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+
+# You should have received a copy of the GNU Lesser General Public
+# License along with the GNU C Library; if not, write to the Free
+# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+# 02111-1307 USA.
+
+ifeq ($(subdir),csu)
+gen-as-const-headers += tcb-offsets.sym
+endif
--- /dev/null
+#include <sysdep.h>
+#include <tls.h>
+
+SELF offsetof (tcbhead_t, self)
+CLEANUP offsetof (struct pthread, cleanup)
+CLEANUP_PREV offsetof (struct _pthread_cleanup_buffer, __prev)
dtv_t *dtv;
void *self; /* Pointer to the thread descriptor. */
} tcbhead_t;
+#else /* __ASSEMBLER__ */
+# include <tcb-offsets.h>
#endif
projects / platform / upstream / linaro-glibc.git / commitdiff