--- /dev/null
+/* Copyright (C) 2002 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 <atomic.h>
+
+
+/* Implement generic mutex. Basic futex syscall support is required:
+
+ lll_futex_wait(futex, value) - call sys_futex with FUTEX_WAIT
+ and third parameter VALUE
+
+ lll_futex_wake(futex, value) - call sys_futex with FUTEX_WAKE
+ and third parameter VALUE
+*/
+
+
+/* Mutex lock counter:
+ bit 31 clear means unlocked;
+ bit 31 set means locked.
+
+ All code that looks at bit 31 first increases the 'number of
+ interested threads' usage counter, which is in bits 0-30.
+
+ All negative mutex values indicate that the mutex is still locked. */
+
+
+static inline void
+__generic_mutex_lock (int *mutex)
+{
+ unsigned int v;
+
+ /* Bit 31 was clear, we got the mutex. (this is the fastpath). */
+ if (atomic_bit_test_set (mutex, 31) == 0)
+ return;
+
+ atomic_increment (mutex);
+
+ while (1)
+ {
+ if (atomic_bit_test_set (mutex, 31) == 0)
+ {
+ atomic_decrement (mutex);
+ return;
+ }
+
+ /* We have to wait now. First make sure the futex value we are
+ monitoring is truly negative (i.e. locked). */
+ v = *mutex;
+ if (v >= 0)
+ continue;
+
+ lll_futex_wait (mutex, v);
+ }
+}
+
+
+static inline void
+__generic_mutex_unlock (int *mutex)
+{
+ /* Adding 0x80000000 to the counter results in 0 if and only if
+ there are not other interested threads - we can return (this is
+ the fastpath). */
+ if (atomic_add_zero (0x80000000, mutex))
+ return;
+
+ /* There are other threads waiting for this mutex, wake one of them
+ up. */
+ lll_futex_wake (mutex, 1);
+}
+
+
+#define lll_mutex_lock(futex) __generic_mutex_lock (&(futex))
+#define lll_mutex_unlock(futex) __generic_mutex_unlock (&(futex))
--- /dev/null
+/* Copyright (C) 2002 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 <pthread.h>
+#include <signal.h>
+
+
+int
+raise (sig)
+ int sig;
+{
+ /* This is what POSIX says must happen. */
+ return pthread_kill (pthread_self (), sig);
+}
--- /dev/null
+/* Minimum guaranteed maximum values for system limits. Linux version.
+ Copyright (C) 1993,94,95,96,97,98,2000,2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* The kernel header pollutes the namespace with the NR_OPEN symbol
+ and defines LINK_MAX although filesystems have different maxima. A
+ similar thing is true for OPEN_MAX: the limit can be changed at
+ runtime and therefore the macro must not be defined. Remove this
+ after including the header if necessary. */
+#ifndef NR_OPEN
+# define __undef_NR_OPEN
+#endif
+#ifndef LINK_MAX
+# define __undef_LINK_MAX
+#endif
+#ifndef OPEN_MAX
+# define __undef_OPEN_MAX
+#endif
+
+/* The kernel sources contain a file with all the needed information. */
+#include <linux/limits.h>
+
+/* Have to remove NR_OPEN? */
+#ifdef __undef_NR_OPEN
+# undef NR_OPEN
+# undef __undef_NR_OPEN
+#endif
+/* Have to remove LINK_MAX? */
+#ifdef __undef_LINK_MAX
+# undef LINK_MAX
+# undef __undef_LINK_MAX
+#endif
+/* Have to remove OPEN_MAX? */
+#ifdef __undef_OPEN_MAX
+# undef OPEN_MAX
+# undef __undef_OPEN_MAX
+#endif
+
+/* The number of data keys per process. */
+#define _POSIX_THREAD_KEYS_MAX 128
+/* This is the value this implementation supports. */
+#define PTHREAD_KEYS_MAX 1024
+
+/* Controlling the iterations of destructors for thread-specific data. */
+#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
+/* Number of iterations this implementation does. */
+#define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS
+
+/* The number of threads per process. */
+#define _POSIX_THREAD_THREADS_MAX 64
+/* This is the value this implementation supports. */
+#define PTHREAD_THREADS_MAX 1024
+
+/* Maximum amount by which a process can descrease its asynchronous I/O
+ priority level. */
+#define AIO_PRIO_DELTA_MAX 20
+
+/* Minimum size for a thread. We are free to choose a reasonable value. */
+#define PTHREAD_STACK_MIN 16384
+
+/* Maximum number of POSIX timers available. */
+#define TIMER_MAX 256
+
+/* Maximum number of timer expiration overruns. */
+#define DELAYTIMER_MAX 2147483647
--- /dev/null
+/* Define POSIX options for Linux.
+ Copyright (C) 1996-2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _POSIX_OPT_H
+#define _POSIX_OPT_H 1
+
+/* Job control is supported. */
+#define _POSIX_JOB_CONTROL 1
+
+/* Processes have a saved set-user-ID and a saved set-group-ID. */
+#define _POSIX_SAVED_IDS 1
+
+/* Priority scheduling is supported. */
+#define _POSIX_PRIORITY_SCHEDULING 200112L
+
+/* Synchronizing file data is supported. */
+#define _POSIX_SYNCHRONIZED_IO 200112L
+
+/* The fsync function is present. */
+#define _POSIX_FSYNC 200112L
+
+/* Mapping of files to memory is supported. */
+#define _POSIX_MAPPED_FILES 200112L
+
+/* Locking of all memory is supported. */
+#define _POSIX_MEMLOCK 200112L
+
+/* Locking of ranges of memory is supported. */
+#define _POSIX_MEMLOCK_RANGE 200112L
+
+/* Setting of memory protections is supported. */
+#define _POSIX_MEMORY_PROTECTION 200112L
+
+/* Implementation supports `poll' function. */
+#define _POSIX_POLL 1
+
+/* Implementation supports `select' and `pselect' functions. */
+#define _POSIX_SELECT 1
+
+/* Only root can change owner of file. */
+#define _POSIX_CHOWN_RESTRICTED 1
+
+/* `c_cc' member of 'struct termios' structure can be disabled by
+ using the value _POSIX_VDISABLE. */
+#define _POSIX_VDISABLE '\0'
+
+/* Filenames are not silently truncated. */
+#define _POSIX_NO_TRUNC 1
+
+/* X/Open realtime support is available. */
+#define _XOPEN_REALTIME 1
+
+/* X/Open realtime thread support is available. */
+#define _XOPEN_REALTIME_THREADS 1
+
+/* XPG4.2 shared memory is supported. */
+#define _XOPEN_SHM 1
+
+/* Tell we have POSIX threads. */
+#define _POSIX_THREADS 200112L
+
+/* We have the reentrant functions described in POSIX. */
+#define _POSIX_REENTRANT_FUNCTIONS 1
+#define _POSIX_THREAD_SAFE_FUNCTIONS 200112L
+
+/* We provide priority scheduling for threads. */
+#define _POSIX_THREAD_PRIORITY_SCHEDULING 200112L
+
+/* We support user-defined stack sizes. */
+#define _POSIX_THREAD_ATTR_STACKSIZE 200112L
+
+/* We support user-defined stacks. */
+#define _POSIX_THREAD_ATTR_STACKADDR 200112L
+
+/* We support POSIX.1b semaphores, but only the non-shared form for now. */
+#define _POSIX_SEMAPHORES 1
+
+/* Real-time signals are supported. */
+#define _POSIX_REALTIME_SIGNALS 1
+
+/* We support asynchronous I/O. */
+#define _POSIX_ASYNCHRONOUS_IO 1
+#define _POSIX_ASYNC_IO 1
+/* Alternative name for Unix98. */
+#define _LFS_ASYNCHRONOUS_IO 1
+
+/* The LFS support in asynchronous I/O is also available. */
+#define _LFS64_ASYNCHRONOUS_IO 1
+
+/* The rest of the LFS is also available. */
+#define _LFS_LARGEFILE 1
+#define _LFS64_LARGEFILE 1
+#define _LFS64_STDIO 1
+
+/* POSIX shared memory objects are implemented. */
+#define _POSIX_SHARED_MEMORY_OBJECTS 200112L
+
+/* GNU libc provides regular expression handling. */
+#define _POSIX_REGEXP 1
+
+/* Reader/Writer locks are available. */
+#define _POSIX_READER_WRITER_LOCKS 200112L
+
+/* We have a POSIX shell. */
+#define _POSIX_SHELL 1
+
+/* We support the Timeouts option. */
+#define _POSIX_TIMEOUTS 200112L
+
+/* We support spinlocks. */
+#define _POSIX_SPIN_LOCKS 200112L
+
+/* The `spawn' function family is supported. */
+#define _POSIX_SPAWN 200112L
+
+/* We have POSIX timers. */
+#define _POSIX_TIMERS 1
+
+/* The barrier functions are available. */
+#define _POSIX_BARRIERS 200112L
+
+/* POSIX message queues are not yet supported. */
+#undef _POSIX_MESSAGE_PASSING
+
+/* Thread process-shared synchronization is supported. */
+#define _POSIX_THREAD_PROCESS_SHARED 200112L
+
+#endif /* posix_opt.h */
--- /dev/null
+/* Copyright (C) 2002 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. */
+
+#ifndef _BITS_PTHREADTYPES_H
+#define _BITS_PTHREADTYPES_H 1
+
+#define __SIZEOF_PTHREAD_ATTR_T 36
+#define __SIZEOF_PTHREAD_MUTEX_T 24
+#define __SIZEOF_PTHREAD_MUTEXATTR_T 4
+#define __SIZEOF_PTHREAD_COND_T 12
+#define __SIZEOF_PTHREAD_CONDATTR_T 4
+#define __SIZEOF_PTHREAD_RWLOCK_T 32
+#define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
+#define __SIZEOF_PTHREAD_BARRIER_T 20
+#define __SIZEOF_PTHREAD_BARRIERATTR_T 4
+
+
+/* Thread identifiers. The structure of the attribute type is not
+ exposed on purpose. */
+typedef unsigned long int pthread_t;
+
+
+typedef union
+{
+ char __size[__SIZEOF_PTHREAD_ATTR_T];
+ long int __align;
+} pthread_attr_t;
+
+
+/* Data structures for mutex handling. The structure of the attribute
+ type is not exposed on purpose. */
+typedef union
+{
+ struct
+ {
+ int __lock;
+ unsigned int __count;
+ struct pthread *__owner;
+ /* KIND must stay at this position in the structure to maintain
+ binary compatibility. */
+ int __kind;
+ } __data;
+ char __size[__SIZEOF_PTHREAD_MUTEX_T];
+ long int __align;
+} pthread_mutex_t;
+
+typedef union
+{
+ char __size[__SIZEOF_PTHREAD_MUTEXATTR_T];
+ long int __align;
+} pthread_mutexattr_t;
+
+
+/* Data structure for conditional variable handling. The structure of
+ the attribute type is not exposed on purpose. */
+typedef union
+{
+ struct
+ {
+ int __lock;
+ unsigned int __nr_wakers;
+ unsigned int __nr_sleepers;
+ } __data;
+ char __size[__SIZEOF_PTHREAD_COND_T];
+ long int __align;
+} pthread_cond_t;
+
+typedef union
+{
+ char __size[__SIZEOF_PTHREAD_CONDATTR_T];
+ long int __align;
+} pthread_condattr_t;
+
+
+/* Keys for thread-specific data */
+typedef unsigned int pthread_key_t;
+
+
+/* Once-only execution */
+typedef int pthread_once_t;
+
+
+#ifdef __USE_UNIX98
+/* Data structure for read-write lock variable handling. The
+ structure of the attribute type is not exposed on purpose. */
+typedef union
+{
+ struct
+ {
+ int __lock;
+ unsigned int __nr_readers;
+ unsigned int __readers_wakeup;
+ unsigned int __writer_wakeup;
+ unsigned int __nr_readers_queued;
+ unsigned int __nr_writers_queued;
+ /* FLAGS must stay at this position in the structure to maintain
+ binary compatibility. */
+ unsigned int __flags;
+ pthread_t __writer;
+ } __data;
+ char __size[__SIZEOF_PTHREAD_RWLOCK_T];
+ long int __align;
+} pthread_rwlock_t;
+
+typedef union
+{
+ char __size[__SIZEOF_PTHREAD_RWLOCKATTR_T];
+ long int __align;
+} pthread_rwlockattr_t;
+#endif
+
+
+#ifdef __USE_XOPEN2K
+/* POSIX spinlock data type. */
+typedef volatile int pthread_spinlock_t;
+
+
+/* POSIX barriers data type. The structure of the type is
+ deliberately not exposed. */
+typedef union
+{
+ char __size[__SIZEOF_PTHREAD_BARRIER_T];
+ long int __align;
+} pthread_barrier_t;
+
+typedef union
+{
+ char __size[__SIZEOF_PTHREAD_BARRIERATTR_T];
+ int __align;
+} pthread_barrierattr_t;
+#endif
+
+
+#endif /* bits/pthreadtypes.h */
--- /dev/null
+/* Copyright (C) 2002 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. */
+
+#ifndef _SEMAPHORE_H
+# error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
+#endif
+
+
+#define __SIZEOF_SEM_T 16
+
+
+/* Value returned if `sem_open' failed. */
+#define SEM_FAILED ((sem_t *) 0)
+
+/* Maximum value the semaphore can have. */
+#define SEM_VALUE_MAX ((int) ((~0u) >> 1))
+
+
+typedef union
+{
+ char __size[__SIZEOF_SEM_T];
+ long int __align;
+} sem_t;
--- /dev/null
+/* Copyright (C) 2002 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 <sched.h>
+#include <setjmp.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <atomic.h>
+#include <ldsodefs.h>
+#include <tls.h>
+
+
+#define CLONE_SIGNAL (CLONE_SIGHAND | CLONE_THREAD)
+
+
+static int
+create_thread (struct pthread *pd, STACK_VARIABLES_PARMS)
+{
+ union user_desc_init desc;
+
+ /* Describe the thread-local storage segment. */
+
+ /* The 'entry_number' field. The first three bits of the segment
+ register value select the GDT, ignore them. We get the index
+ from the value of the %gs register in the current thread. */
+ desc.vals[0] = TLS_GET_GS () >> 3;
+ /* The 'base_addr' field. Pointer to the TCB. */
+ desc.vals[1] = (unsigned long int) pd;
+ /* The 'limit' field. We use 4GB which is 0xfffff pages. */
+ desc.vals[2] = 0xfffff;
+ /* Collapsed value of the bitfield:
+ .seg_32bit = 1
+ .contents = 0
+ .read_exec_only = 0
+ .limit_in_pages = 1
+ .seg_not_present = 0
+ .useable = 1 */
+ desc.vals[3] = 0x51;
+
+
+ assert (pd->header.data.tcb != NULL);
+
+
+ if (__builtin_expect (THREAD_GETMEM (THREAD_SELF, report_events), 0))
+ {
+ /* The parent thread is supposed to report events. Check whether
+ the TD_CREATE event is needed, too. */
+ const int _idx = __td_eventword (TD_CREATE);
+ const uint32_t _mask = __td_eventmask (TD_CREATE);
+
+ if ((_mask & (__nptl_threads_events.event_bits[_idx]
+ | pd->eventbuf.eventmask.event_bits[_idx])) != 0)
+ {
+ /* We have to report the new thread. Make sure the thread
+ does not run far by forcing it to get a lock. We lock it
+ here too so that the new thread cannot continue until we
+ tell it to. */
+ lll_lock (pd->lock);
+
+ /* Create the thread. */
+ if (__clone (start_thread_debug, STACK_VARIABLES_ARGS,
+ CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGNAL |
+ CLONE_SETTLS | CLONE_PARENT_SETTID |
+ CLONE_CHILD_CLEARTID | CLONE_DETACHED | 0,
+ pd, &pd->tid, &desc.desc, &pd->tid) == -1)
+ /* Failed. */
+ return errno;
+
+ /* Now fill in the information about the new thread in
+ the newly created thread's data structure. We cannot let
+ the new thread do this since we don't know whether it was
+ already scheduled when we send the event. */
+ pd->eventbuf.eventnum = TD_CREATE;
+ pd->eventbuf.eventdata = pd;
+
+ /* Enqueue the descriptor. */
+ do
+ pd->nextevent = __nptl_last_event;
+ while (atomic_compare_and_exchange_acq (__nptl_last_event, pd,
+ pd->nextevent) != 0);
+
+ /* Now call the function which signals the event. */
+ __nptl_create_event ();
+
+ /* And finally restart the new thread. */
+ lll_unlock (pd->lock);
+
+ return 0;
+ }
+ }
+
+ /* We rely heavily on various flags the CLONE function understands:
+
+ CLONE_VM, CLONE_FS, CLONE_FILES
+ These flags select semantics with shared address space and
+ file descriptors according to what POSIX requires.
+
+ CLONE_SIGNAL
+ This flag selects the POSIX signal semantics.
+
+ CLONE_SETTLS
+ The sixth parameter to CLONE determines the TLS area for the
+ new thread.
+
+ CLONE_PARENT_SETTID
+ The kernels writes the thread ID of the newly created thread
+ into the location pointed to by the fifth parameters to CLONE.
+
+ Note that it would be semantically equivalent to use
+ CLONE_CHILD_SETTID but it is be more expensive in the kernel.
+
+ CLONE_CHILD_CLEARTID
+ The kernels clears the thread ID of a thread that has called
+ sys_exit() - using the same parameter as CLONE_SETTID.
+
+ CLONE_DETACHED
+ No signal is generated if the thread exists and it is
+ automatically reaped.
+
+ The termination signal is chosen to be zero which means no signal
+ is sent. */
+ if (__clone (start_thread, STACK_VARIABLES_ARGS,
+ CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGNAL |
+ CLONE_SETTLS | CLONE_PARENT_SETTID | CLONE_CHILD_CLEARTID |
+ CLONE_DETACHED | 0, pd, &pd->tid, &desc.desc, &pd->tid) == -1)
+ /* Failed. */
+ return errno;
+
+ return 0;
+}
--- /dev/null
+/* Copyright (C) 2002 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 <sched.h>
+#include <signal.h>
+#include <sysdep.h>
+#include <tls.h>
+
+
+#define ARCH_FORK() \
+ INLINE_SYSCALL (clone, 5, \
+ CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | SIGCHLD, 0, \
+ NULL, NULL, &THREAD_SELF->tid)
+
+#include "../fork.c"
--- /dev/null
+/* Copyright (C) 2002 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>
+
+ .text
+
+#ifdef UP
+# define LOCK
+#else
+# define LOCK lock
+#endif
+
+#define SYS_gettimeofday __NR_gettimeofday
+#define SYS_futex 240
+#define FUTEX_WAIT 0
+#define FUTEX_WAKE 1
+
+#define EWOULDBLOCK 11
+#define EINVAL 22
+#define ETIMEDOUT 110
+
+#define cond_lock 0
+#define cond_nr_wakers 4
+#define cond_nr_sleepers 8
+
+
+ .global __lll_cond_wait
+ .type __lll_cond_wait,@function
+ .hidden __lll_cond_wait
+ .align 16
+__lll_cond_wait:
+ pushl %esi
+ pushl %ebx
+
+ xorl %esi, %esi
+
+ leal cond_nr_wakers(%eax), %ebx
+
+4: movl (%ebx), %edx
+ testl %edx, %edx
+ jne 1f
+
+ LOCK
+ decl cond_lock-cond_nr_wakers(%ebx)
+ jne 2f
+
+3: xorl %ecx, %ecx
+ movl $SYS_futex, %eax
+ int $0x80
+
+ movl $1, %eax
+ LOCK
+ xaddl %eax, cond_lock-cond_nr_wakers(%ebx)
+ testl %eax, %eax
+ je 4b
+
+ leal cond_lock-cond_nr_wakers(%ebx), %ecx
+ /* Preserves %ebx, %edx, %edi, %esi. */
+ call __lll_mutex_lock_wait
+ jmp 4b
+
+1: decl (%ebx)
+
+ popl %ebx
+ popl %esi
+ ret
+
+2: leal cond_lock-cond_nr_wakers(%ebx), %eax
+ /* Preserves %ebx, %ecx, %edx, %edi, %esi. */
+ call __lll_mutex_unlock_wake
+ jmp 3b
+ .size __lll_cond_wait,.-__lll_cond_wait
+
+
+ .global __lll_cond_timedwait
+ .type __lll_cond_timedwait,@function
+ .hidden __lll_cond_timedwait
+ .align 16
+__lll_cond_timedwait:
+ /* Check for a valid timeout value. */
+ cmpl $1000000000, 4(%edx)
+ jae 1f
+
+ pushl %ebp
+ pushl %edi
+ pushl %esi
+ pushl %ebx
+
+ /* Stack frame for the timespec and timeval structs. */
+ subl $8, %esp
+
+ leal cond_nr_wakers(%eax), %ebp /* cond */
+ movl %edx, %edi /* timeout */
+
+9: movl (%ebp), %esi
+ testl %esi, %esi
+ jne 5f
+
+ LOCK
+ decl cond_lock-cond_nr_wakers(%ebp)
+ jne 6f
+
+ /* Get current time. */
+7: movl %esp, %ebx
+ xorl %ecx, %ecx
+ movl $SYS_gettimeofday, %eax
+ int $0x80
+
+ /* Compute relative timeout. */
+ movl 4(%esp), %eax
+ movl $1000, %edx
+ mul %edx /* Milli seconds to nano seconds. */
+ movl (%edi), %ecx
+ movl 4(%edi), %edx
+ subl (%esp), %ecx
+ subl %eax, %edx
+ jns 3f
+ addl $1000000000, %edx
+ decl %ecx
+3: testl %ecx, %ecx
+ js 4f /* Time is already up. */
+
+ movl %ecx, (%esp) /* Store relative timeout. */
+ movl %edx, 4(%esp)
+ movl %esi, %edx
+ movl %esp, %esi
+ xorl %ecx, %ecx /* movl $FUTEX_WAIT, %ecx */
+ movl %ebp, %ebx
+ movl $SYS_futex, %eax
+ int $0x80
+
+ movl %eax, %edx
+
+ movl $1, %eax
+ LOCK
+ xaddl %eax, cond_lock-cond_nr_wakers(%ebp)
+ testl %eax, %eax
+ jne 8f
+
+ cmpl $-ETIMEDOUT, %edx
+ jne 9b
+
+4: movl $ETIMEDOUT, %eax
+ jmp 2f
+
+5: decl (%ebp)
+ xorl %eax, %eax
+
+2: addl $8, %esp
+ popl %ebx
+ popl %esi
+ popl %edi
+ popl %ebp
+ ret
+
+6: leal cond_lock-cond_nr_wakers(%ebp), %eax
+ /* Preserves %ebx, %ecx, %edx, %edi, %esi. */
+ call __lll_mutex_unlock_wake
+ jmp 7b
+
+8: leal cond_lock-cond_nr_wakers(%ebp), %ecx
+ /* Preserves %ebx, %edx, %edi, %esi. */
+ call __lll_mutex_lock_wait
+ jmp 5b
+
+1: movl $EINVAL, %eax
+ ret
+ .size __lll_cond_timedwait,.-__lll_cond_timedwait
+
+
+ .global __lll_cond_wake
+ .type __lll_cond_wake,@function
+ .hidden __lll_cond_wake
+ .align 16
+__lll_cond_wake:
+ pushl %esi
+ pushl %ebx
+
+ movl %eax, %ebx
+
+ movl $1, %eax
+ LOCK
+ xaddl %eax, (%ebx)
+ testl %eax, %eax
+ jne 1f
+
+2: leal cond_nr_wakers(%ebx), %ebx
+ cmpl $0, cond_nr_sleepers-cond_nr_wakers(%ebx)
+ je 3f
+
+ incl (%ebx)
+ jz 5f
+
+6: movl $FUTEX_WAKE, %ecx
+ xorl %esi, %esi
+ movl %ecx, %edx /* movl $1, %edx */
+ movl $SYS_futex, %eax
+ int $0x80
+
+3: LOCK
+ decl cond_lock-cond_nr_wakers(%ebx)
+ je,pt 4f
+
+ leal cond_lock-cond_nr_wakers(%ebx), %eax
+ call __lll_mutex_unlock_wake
+
+4: popl %ebx
+ popl %esi
+ ret
+
+1: movl %ebx, %ecx
+ call __lll_mutex_lock_wait
+ jmp 2b
+
+5: movl $0x80000000, (%ebx)
+ jmp 6b
+ .size __lll_cond_wake,.-__lll_cond_wake
+
+
+ .global __lll_cond_broadcast
+ .type __lll_cond_broadcast,@function
+ .hidden __lll_cond_broadcast
+ .align 16
+__lll_cond_broadcast:
+ pushl %esi
+ pushl %ebx
+
+ movl %eax, %ebx
+ movl $0x8000000, %edx
+
+ movl $1, %eax
+ LOCK
+ xaddl %eax, (%ebx)
+ testl %eax, %eax
+ jne 1f
+
+2: leal cond_nr_wakers(%ebx), %ebx
+ cmpl $0, cond_nr_sleepers-cond_nr_wakers(%ebx)
+ je 3f
+
+ orl %edx, (%ebx)
+
+6: movl $FUTEX_WAKE, %ecx
+ xorl %esi, %esi
+ movl $SYS_futex, %eax
+ int $0x80
+
+3: LOCK
+ decl cond_lock-cond_nr_wakers(%ebx)
+ je,pt 4f
+
+ leal cond_lock-cond_nr_wakers(%ebx), %eax
+ call __lll_mutex_unlock_wake
+
+4: popl %ebx
+ popl %esi
+ ret
+
+1: movl %ebx, %ecx
+ call __lll_mutex_lock_wait
+ jmp 2b
+ .size __lll_cond_broadcast,.-__lll_cond_broadcast
--- /dev/null
+/* Copyright (C) 2002 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>
+
+ .text
+
+#ifdef UP
+# define LOCK
+#else
+# define LOCK lock
+#endif
+
+#define SYS_gettimeofday __NR_gettimeofday
+#define SYS_futex 240
+#define FUTEX_WAIT 0
+#define FUTEX_WAKE 1
+
+#define ETIMEDOUT 110
+
+
+ .globl __lll_lock_wait
+ .type __lll_lock_wait,@function
+ .hidden __lll_lock_wait
+ .align 16
+__lll_lock_wait:
+ pushl %esi
+ pushl %ebx
+ pushl %edx
+
+ movl %ecx, %ebx
+ xorl %esi, %esi /* No timeout. */
+ xorl %ecx, %ecx /* movl $FUTEX_WAIT, %ecx */
+1:
+ leal -1(%eax), %edx /* account for the preceeded xadd. */
+ movl $SYS_futex, %eax
+ int $0x80
+
+ orl $-1, %eax /* Load -1. */
+ LOCK
+ xaddl %eax, (%ebx)
+ jne 1b
+
+ movl $-1, (%ebx)
+
+ popl %edx
+ popl %ebx
+ popl %esi
+ ret
+ .size __lll_lock_wait,.-__lll_lock_wait
+
+
+ .globl lll_unlock_wake_cb
+ .type lll_unlock_wake_cb,@function
+ .hidden lll_unlock_wake_cb
+ .align 16
+lll_unlock_wake_cb:
+ pushl %esi
+ pushl %ebx
+ pushl %ecx
+ pushl %edx
+
+ movl 20(%esp), %ebx
+ LOCK
+ incl (%ebx)
+ jng 1f
+
+ popl %edx
+ popl %ecx
+ popl %ebx
+ popl %esi
+ ret
+ .size lll_unlock_wake_cb,.-lll_unlock_wake_cb
+
+
+ .globl __lll_unlock_wake
+ .type __lll_unlock_wake,@function
+ .hidden __lll_unlock_wake
+__lll_unlock_wake:
+ pushl %esi
+ pushl %ebx
+ pushl %ecx
+ pushl %edx
+
+ movl %eax, %ebx
+1: movl $FUTEX_WAKE, %ecx
+ movl $1, %edx /* Wake one thread. */
+ xorl %esi, %esi
+ movl %edx, (%ebx) /* Stores '$1'. */
+ movl $SYS_futex, %eax
+ int $0x80
+
+ popl %edx
+ popl %ecx
+ popl %ebx
+ popl %esi
+ ret
+ .size __lll_unlock_wake,.-__lll_unlock_wake
+
+
+ .globl __lll_timedwait_tid
+ .type __lll_timedwait_tid,@function
+ .hidden __lll_timedwait_tid
+__lll_timedwait_tid:
+ pushl %edi
+ pushl %esi
+ pushl %ebx
+ pushl %ebp
+
+ movl %eax, %ebp
+ movl %edx, %edi
+ subl $8, %esp
+
+ /* Get current time. */
+2: movl %esp, %ebx
+ xorl %ecx, %ecx
+ movl $SYS_gettimeofday, %eax
+ int $0x80
+
+ /* Compute relative timeout. */
+ movl 4(%esp), %eax
+ movl $1000, %edx
+ mul %edx /* Milli seconds to nano seconds. */
+ movl (%edi), %ecx
+ movl 4(%edi), %edx
+ subl (%esp), %ecx
+ subl %eax, %edx
+ jns 5f
+ addl $1000000000, %edx
+ decl %ecx
+5: testl %ecx, %ecx
+ js 6f /* Time is already up. */
+
+ movl %ecx, (%esp) /* Store relative timeout. */
+ movl %edx, 4(%esp)
+
+ movl (%ebp), %edx
+ testl %edx, %edx
+ jz 4f
+
+ movl %esp, %esi
+ xorl %ecx, %ecx /* movl $FUTEX_WAIT, %ecx */
+ movl %ebp, %ebx
+ movl $SYS_futex, %eax
+ int $0x80
+
+ movl %eax, %edx
+
+ cmpl $0, (%ebx)
+ jne 1f
+4: xorl %eax, %eax
+
+3: addl $8, %esp
+ popl %ebp
+ popl %ebx
+ popl %esi
+ popl %edi
+ ret
+
+1: cmpl $-ETIMEDOUT, %edx
+ jne 2b
+6: movl $ETIMEDOUT, %eax
+ jmp 3b
+ .size __lll_timedwait_tid,.-__lll_timedwait_tid
--- /dev/null
+/* Copyright (C) 2002 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>
+
+ .text
+
+#ifdef UP
+# define LOCK
+#else
+# define LOCK lock
+#endif
+
+#define SYS_gettimeofday __NR_gettimeofday
+#define SYS_futex 240
+#define FUTEX_WAIT 0
+#define FUTEX_WAKE 1
+
+#define EWOULDBLOCK 11
+#define EINVAL 22
+#define ETIMEDOUT 110
+
+
+ .globl __lll_mutex_lock_wait
+ .type __lll_mutex_lock_wait,@function
+ .hidden __lll_mutex_lock_wait
+ .align 16
+__lll_mutex_lock_wait:
+ pushl %esi
+ pushl %ebx
+ pushl %edx
+
+ movl %ecx, %ebx
+ xorl %esi, %esi /* No timeout. */
+ xorl %ecx, %ecx /* movl $FUTEX_WAIT, %ecx */
+1:
+ leal 1(%eax), %edx /* account for the preceeded xadd. */
+ movl $SYS_futex, %eax
+ int $0x80
+
+ movl $1, %eax
+ LOCK
+ xaddl %eax, (%ebx)
+ testl %eax, %eax
+ jne 1b
+
+ movl $2, (%ebx)
+
+ popl %edx
+ popl %ebx
+ popl %esi
+ ret
+ .size __lll_mutex_lock_wait,.-__lll_mutex_lock_wait
+
+
+ .globl __lll_mutex_timedlock_wait
+ .type __lll_mutex_timedlock_wait,@function
+ .hidden __lll_mutex_timedlock_wait
+ .align 16
+__lll_mutex_timedlock_wait:
+ /* Check for a valid timeout value. */
+ cmpl $1000000000, 4(%edx)
+ jae 3f
+
+ pushl %edi
+ pushl %esi
+ pushl %ebx
+ pushl %ebp
+
+ /* Stack frame for the timespec and timeval structs. */
+ subl $8, %esp
+
+ movl %ecx, %ebp
+ movl %edx, %edi
+ leal 1(%eax), %esi
+
+ /* Get current time. */
+1:
+ movl %esp, %ebx
+ xorl %ecx, %ecx
+ movl $SYS_gettimeofday, %eax
+ int $0x80
+
+ /* Compute relative timeout. */
+ movl 4(%esp), %eax
+ movl $1000, %edx
+ mul %edx /* Milli seconds to nano seconds. */
+ movl (%edi), %ecx
+ movl 4(%edi), %edx
+ subl (%esp), %ecx
+ subl %eax, %edx
+ jns 4f
+ addl $1000000000, %edx
+ decl %ecx
+4: testl %ecx, %ecx
+ js 5f /* Time is already up. */
+
+ /* Futex call. */
+ movl %ecx, (%esp) /* Store relative timeout. */
+ movl %edx, 4(%esp)
+ movl %esi, %edx
+ movl %esp, %esi
+ xorl %ecx, %ecx /* movl $FUTEX_WAIT, %ecx */
+ movl %ebp, %ebx
+ movl $SYS_futex, %eax
+ int $0x80
+
+ movl $1, %esi
+ LOCK
+ xaddl %esi, (%ebx)
+ testl %esi, %esi
+ jne 7f
+
+ movl $2, (%ebx)
+ xorl %eax, %eax
+
+6: addl $8, %esp
+ popl %ebp
+ popl %ebx
+ popl %esi
+ popl %edi
+ ret
+
+ /* Check whether the time expired. */
+7: cmpl $-ETIMEDOUT, %eax
+ je 5f
+ jmp 1b
+
+3: movl $EINVAL, %eax
+ ret
+
+5: movl $ETIMEDOUT, %eax
+ jmp 6b
+ .size __lll_mutex_timedlock_wait,.-__lll_mutex_timedlock_wait
+
+
+ .globl __lll_mutex_unlock_wake
+ .type __lll_mutex_unlock_wake,@function
+ .hidden __lll_mutex_unlock_wake
+ .align 16
+__lll_mutex_unlock_wake:
+ pushl %esi
+ pushl %ebx
+ pushl %ecx
+ pushl %edx
+
+ movl $FUTEX_WAKE, %ecx
+ movl %eax, %ebx
+ xorl %esi, %esi
+ movl $0, (%ebx)
+ movl $1, %edx /* Wake one thread. */
+ movl $SYS_futex, %eax
+ int $0x80
+
+ popl %edx
+ popl %ecx
+ popl %ebx
+ popl %esi
+ ret
+ .size __lll_mutex_unlock_wake,.-__lll_mutex_unlock_wake
--- /dev/null
+/* Copyright (C) 2002 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>
+
+ .text
+
+#define SYS_gettimeofday __NR_gettimeofday
+#define SYS_futex 240
+#define FUTEX_WAIT 0
+#define FUTEX_WAKE 1
+
+#define EAGAIN 11
+#define EDEADLK 35
+#define ETIMEDOUT 110
+
+/* Offsets in the pthread_rwlock_t structure. */
+#define MUTEX 0
+#define NR_READERS 4
+#define READERS_WAKEUP 8
+#define WRITERS_WAKEUP 12
+#define READERS_QUEUED 16
+#define WRITERS_QUEUED 20
+#define FLAGS 24
+#define WRITER 28
+
+#ifndef UP
+# define LOCK lock
+#else
+# define LOCK
+#endif
+
+
+ .globl __pthread_rwlock_rdlock
+ .type __pthread_rwlock_rdlock,@function
+ .align 16
+__pthread_rwlock_rdlock:
+ pushl %esi
+ pushl %ebx
+
+ xorl %esi, %esi
+ xorl %edx, %edx
+ movl 12(%esp), %ebx
+
+ /* Get the lock. */
+ movl $1, %eax
+ LOCK
+ xaddl %eax, MUTEX(%ebx)
+ testl %eax, %eax
+ jne 1f
+
+2: movl WRITER(%ebx), %eax
+ testl %eax, %eax
+ jne 14f
+ cmp $0, WRITERS_QUEUED(%ebx)
+ je 5f
+ cmpl $0, FLAGS(%ebx)
+ je 5f
+
+3: incl READERS_QUEUED(%ebx)
+ je 4f
+
+ LOCK
+ decl MUTEX(%ebx)
+ jne 10f
+
+11: addl $READERS_WAKEUP-MUTEX, %ebx
+ movl %esi, %ecx /* movl $FUTEX_WAIT, %ecx */
+ movl $SYS_futex, %eax
+ int $0x80
+
+ subl $READERS_WAKEUP-MUTEX, %ebx
+
+ /* Reget the lock. */
+ movl $1, %eax
+ LOCK
+ xaddl %eax, MUTEX(%ebx)
+ testl %eax, %eax
+ jne 12f
+
+13: decl READERS_QUEUED(%ebx)
+ jne 2b
+ movl $0, READERS_WAKEUP(%ebx)
+ jmp 2b
+
+5: xorl %ecx, %ecx
+ incl NR_READERS(%ebx)
+ je 8f
+9: LOCK
+ decl MUTEX(%ebx)
+ jne 6f
+7:
+
+ movl %ecx, %eax
+ popl %ebx
+ popl %esi
+ ret
+
+1: movl %ebx, %ecx
+ call __lll_mutex_lock_wait
+ jmp 2b
+
+14: cmpl %gs:8, %eax
+ jne 3b
+ /* Deadlock detected. */
+ movl $EDEADLK, %ecx
+ jmp 9b
+
+6: movl %ebx, %eax
+ call __lll_mutex_unlock_wake
+ jmp 7b
+
+ /* Overflow. */
+8: decl NR_READERS(%ebx)
+ movl $EAGAIN, %ecx
+ jmp 9b
+
+ /* Overflow. */
+4: decl READERS_QUEUED(%ebx)
+ movl $EAGAIN, %ecx
+ jmp 9b
+
+10: movl %ebx, %eax
+ call __lll_mutex_unlock_wake
+ jmp 11b
+
+12: movl %ebx, %ecx
+ call __lll_mutex_lock_wait
+ jmp 13b
+ .size __pthread_rwlock_rdlock,.-__pthread_rwlock_rdlock
+
+ .globl pthread_rwlock_rdlock
+pthread_rwlock_rdlock = __pthread_rwlock_rdlock
+
+
+ .globl pthread_rwlock_timedrdlock
+ .type pthread_rwlock_timedrdlock,@function
+ .align 16
+pthread_rwlock_timedrdlock:
+ pushl %esi
+ pushl %edi
+ pushl %ebx
+ pushl %ebp
+ subl $8, %esp
+
+ movl 28(%esp), %ebp
+ movl 32(%esp), %edi
+
+ /* Get the lock. */
+ movl $1, %eax
+ LOCK
+ xaddl %eax, MUTEX(%ebp)
+ testl %eax, %eax
+ jne 1f
+
+2: movl WRITER(%ebp), %eax
+ testl %eax, %eax
+ jne 14f
+ cmp $0, WRITERS_QUEUED(%ebp)
+ je 5f
+ cmpl $0, FLAGS(%ebp)
+ je 5f
+
+3: incl READERS_QUEUED(%ebp)
+ je 4f
+
+ LOCK
+ decl MUTEX(%ebp)
+ jne 10f
+
+ /* Get current time. */
+ movl %esp, %ebx
+ xorl %ecx, %ecx
+ movl $SYS_gettimeofday, %eax
+ int $0x80
+
+ /* Compute relative timeout. */
+ movl 4(%esp), %eax
+ movl $1000, %edx
+ mul %edx /* Milli seconds to nano seconds. */
+ movl (%edi), %ecx
+ movl 4(%edi), %edx
+ subl (%esp), %ecx
+ subl %eax, %edx
+ jns 15f
+ addl $1000000000, %edx
+ decl %ecx
+15: testl %ecx, %ecx
+ js 16f /* Time is already up. */
+
+ /* Futex call. */
+ movl %ecx, (%esp) /* Store relative timeout. */
+ movl %edx, 4(%esp)
+ xorl %ecx, %ecx /* movl $FUTEX_WAIT, %ecx */
+ movl %esp, %esi
+ movl %ecx, %edx
+ leal READERS_WAKEUP(%ebp), %ebx
+ movl $SYS_futex, %eax
+ int $0x80
+ movl %eax, %edx
+17:
+
+ /* Reget the lock. */
+ movl $1, %eax
+ LOCK
+ xaddl %eax, MUTEX(%ebp)
+ testl %eax, %eax
+ jne 12f
+
+13: cmpl $-ETIMEDOUT, %ecx
+ je 18f
+ decl READERS_QUEUED(%ebp)
+ jne 2b
+ movl $0, READERS_WAKEUP(%ebp)
+ jmp 2b
+
+
+5: xorl %ecx, %ecx
+ incl NR_READERS(%ebp)
+ je 8f
+9: LOCK
+ decl MUTEX(%ebp)
+ jne 6f
+
+7: movl %ecx, %eax
+
+ addl $8, %esp
+ popl %ebp
+ popl %ebx
+ popl %edi
+ popl %esi
+ ret
+
+1: movl %ebp, %ecx
+ call __lll_mutex_lock_wait
+ jmp 2b
+
+14: cmpl %gs:8, %eax
+ jne 3b
+ movl $EDEADLK, %ecx
+ jmp 9b
+
+6: movl %ebp, %eax
+ call __lll_mutex_unlock_wake
+ jmp 7b
+
+ /* Overflow. */
+8: decl NR_READERS(%ebp)
+ movl $EAGAIN, %ecx
+ jmp 9b
+
+ /* Overflow. */
+4: decl READERS_QUEUED(%ebp)
+ movl $EAGAIN, %ecx
+ jmp 9b
+
+10: movl %ebp, %eax
+ call __lll_mutex_unlock_wake
+ jmp 11b
+
+12: movl %ebx, %ecx
+ call __lll_mutex_lock_wait
+ jmp 13b
+
+16: movl $-ETIMEDOUT, %ecx
+ jmp 17b
+
+18: movl $ETIMEDOUT, %ecx
+ jmp 9b
+ .size pthread_rwlock_timedrdlock,.-pthread_rwlock_timedrdlock
+
+
+ .globl __pthread_rwlock_wrlock
+ .type __pthread_rwlock_wrlock,@function
+ .align 16
+__pthread_rwlock_wrlock:
+ pushl %esi
+ pushl %ebx
+
+ xorl %esi, %esi
+ xorl %edx, %edx
+ movl 12(%esp), %ebx
+
+ /* Get the lock. */
+ movl $1, %eax
+ LOCK
+ xaddl %eax, MUTEX(%ebx)
+ testl %eax, %eax
+ jne 1f
+
+2: movl WRITER(%ebx), %eax
+ testl %eax, %eax
+ jne 14f
+ cmp $0, NR_READERS(%ebx)
+ je 5f
+
+3: incl WRITERS_QUEUED(%ebx)
+ je 4f
+
+ LOCK
+ decl MUTEX(%ebx)
+ jne 10f
+
+11: addl $WRITERS_WAKEUP-MUTEX, %ebx
+ movl %esi, %ecx /* movl $FUTEX_WAIT, %ecx */
+ movl $SYS_futex, %eax
+ int $0x80
+
+ subl $WRITERS_WAKEUP-MUTEX, %ebx
+
+ /* Reget the lock. */
+ movl $1, %eax
+ LOCK
+ xaddl %eax, MUTEX(%ebx)
+ testl %eax, %eax
+ jne 12f
+
+13: decl WRITERS_QUEUED(%ebx)
+ movl $0, WRITERS_WAKEUP(%ebx)
+ jmp 2b
+
+5: xorl %ecx, %ecx
+ movl %gs:8, %eax
+ movl %eax, WRITER(%ebx)
+9: LOCK
+ decl MUTEX(%ebx)
+ jne 6f
+7:
+
+ movl %ecx, %eax
+ popl %ebx
+ popl %esi
+ ret
+
+1: movl %ebx, %ecx
+ call __lll_mutex_lock_wait
+ jmp 2b
+
+14: cmpl %gs:8, %eax
+ jne 3b
+ movl $EDEADLK, %ecx
+ jmp 9b
+
+6: movl %ebx, %eax
+ call __lll_mutex_unlock_wake
+ jmp 7b
+
+4: decl WRITERS_QUEUED(%ebx)
+ movl $EAGAIN, %ecx
+ jmp 9b
+
+10: movl %ebx, %eax
+ call __lll_mutex_unlock_wake
+ jmp 11b
+
+12: movl %ebx, %ecx
+ call __lll_mutex_lock_wait
+ jmp 13b
+ .size __pthread_rwlock_wrlock,.-__pthread_rwlock_wrlock
+
+ .globl pthread_rwlock_wrlock
+pthread_rwlock_wrlock = __pthread_rwlock_wrlock
+
+
+ .globl pthread_rwlock_timedwrlock
+ .type pthread_rwlock_timedwrlock,@function
+ .align 16
+pthread_rwlock_timedwrlock:
+ pushl %esi
+ pushl %edi
+ pushl %ebx
+ pushl %ebp
+ subl $8, %esp
+
+ movl 28(%esp), %ebp
+ movl 32(%esp), %edi
+
+ /* Get the lock. */
+ movl $1, %eax
+ LOCK
+ xaddl %eax, MUTEX(%ebp)
+ testl %eax, %eax
+ jne 1f
+
+2: movl WRITER(%ebp), %eax
+ testl %eax, %eax
+ jne 14f
+ cmp $0, NR_READERS(%ebp)
+ je 5f
+
+3: incl WRITERS_QUEUED(%ebp)
+ je 4f
+
+ LOCK
+ decl MUTEX(%ebp)
+ jne 10f
+
+ /* Get current time. */
+ movl %esp, %ebx
+ xorl %ecx, %ecx
+ movl $SYS_gettimeofday, %eax
+ int $0x80
+
+ /* Compute relative timeout. */
+ movl 4(%esp), %eax
+ movl $1000, %edx
+ mul %edx /* Milli seconds to nano seconds. */
+ movl (%edi), %ecx
+ movl 4(%edi), %edx
+ subl (%esp), %ecx
+ subl %eax, %edx
+ jns 15f
+ addl $1000000000, %edx
+ decl %ecx
+15: testl %ecx, %ecx
+ js 16f /* Time is already up. */
+
+ /* Futex call. */
+ movl %ecx, (%esp) /* Store relative timeout. */
+ movl %edx, 4(%esp)
+ xorl %ecx, %ecx /* movl $FUTEX_WAIT, %ecx */
+ movl %esp, %esi
+ movl %ecx, %edx
+ leal WRITERS_WAKEUP(%ebp), %ebx
+ movl $SYS_futex, %eax
+ int $0x80
+ movl %eax, %edx
+17:
+
+ /* Reget the lock. */
+ movl $1, %eax
+ LOCK
+ xaddl %eax, MUTEX(%ebp)
+ testl %eax, %eax
+ jne 12f
+
+13: cmpl $-ETIMEDOUT, %ecx
+ je 18f
+ decl WRITERS_QUEUED(%ebp)
+ movl $0, WRITERS_WAKEUP(%ebp)
+ jmp 2b
+
+
+5: xorl %ecx, %ecx
+ movl %gs:8, %eax
+ movl %eax, WRITER(%ebp)
+9: LOCK
+ decl MUTEX(%ebp)
+ jne 6f
+
+7: movl %ecx, %eax
+
+ addl $8, %esp
+ popl %ebp
+ popl %ebx
+ popl %edi
+ popl %esi
+ ret
+
+1: movl %ebp, %ecx
+ call __lll_mutex_lock_wait
+ jmp 2b
+
+14: cmpl %gs:8, %eax
+ jne 3b
+ movl $EDEADLK, %ecx
+ jmp 9b
+
+6: movl %ebp, %eax
+ call __lll_mutex_unlock_wake
+ jmp 7b
+
+ /* Overflow. */
+4: decl WRITERS_QUEUED(%ebp)
+ movl $EAGAIN, %ecx
+ jmp 9b
+
+10: movl %ebp, %eax
+ call __lll_mutex_unlock_wake
+ jmp 11b
+
+12: movl %ebx, %ecx
+ call __lll_mutex_lock_wait
+ jmp 13b
+
+16: movl $-ETIMEDOUT, %ecx
+ jmp 17b
+
+18: movl $ETIMEDOUT, %ecx
+ jmp 9b
+ .size pthread_rwlock_timedwrlock,.-pthread_rwlock_timedwrlock
+
+ .globl __pthread_rwlock_unlock
+ .type __pthread_rwlock_unlock,@function
+ .align 16
+__pthread_rwlock_unlock:
+ pushl %ebx
+ pushl %esi
+ pushl %edi
+
+ xorl %esi, %esi
+ xorl %edx, %edx
+ movl 16(%esp), %edi
+
+ /* Get the lock. */
+ movl $1, %eax
+ LOCK
+ xaddl %eax, MUTEX(%edi)
+ testl %eax, %eax
+ jne 1f
+
+2: cmpl $0, WRITER(%edi)
+ jne 5f
+ decl NR_READERS(%edi)
+ jnz 6f
+
+5: movl $0, WRITER(%edi)
+
+ movl $0x7fffffff, %edx
+ leal READERS_WAKEUP(%edi), %ebx
+ movl $1, %ecx
+ leal WRITERS_WAKEUP(%edi), %eax
+ cmpl $0, WRITERS_QUEUED(%edi)
+ cmovne %ecx, %edx
+ cmovne %eax, %ebx
+ movl $SYS_futex, %eax
+ int $0x80
+
+6: LOCK
+ decl MUTEX(%edi)
+ jne 3f
+
+4: xorl %eax, %eax
+ popl %edi
+ popl %esi
+ popl %ebx
+ ret
+
+1: movl %edi, %ecx
+ call __lll_mutex_lock_wait
+ jmp 2b
+
+3: movl %edi, %eax
+ call __lll_mutex_unlock_wake
+ jmp 4b
+
+ .size __pthread_rwlock_unlock,.-__pthread_rwlock_unlock
+
+ .globl pthread_rwlock_unlock
+pthread_rwlock_unlock = __pthread_rwlock_unlock
--- /dev/null
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sysdep.h>
+#include <shlib-compat.h>
+
+ .text
+
+#ifndef UP
+# define LOCK lock
+#else
+# define
+#endif
+
+#define SYS_gettimeofday __NR_gettimeofday
+#define SYS_futex 240
+#define FUTEX_WAKE 1
+
+#define EINTR 4
+#define EAGAIN 11
+#define EWOULDBLOCK EAGAIN
+#define EINVAL 22
+#define ETIMEDOUT 110
+
+
+ .globl __new_sem_wait
+ .type __new_sem_wait,@function
+ .align 16
+__new_sem_wait:
+ pushl %ebx
+ pushl %esi
+
+ movl 12(%esp), %ebx
+
+3: movl (%ebx), %eax
+2: testl %eax, %eax
+ je,pn 1f
+
+ leal -1(%eax), %edx
+ LOCK
+ cmpxchgl %edx, (%ebx)
+ jne,pn 2b
+ xorl %eax, %eax
+
+ popl %esi
+ popl %ebx
+ ret
+
+1: xorl %esi, %esi
+ movl $SYS_futex, %eax
+ movl %esi, %ecx
+ movl %esi, %edx
+ int $0x80
+
+ testl %eax, %eax
+ je 3b
+ cmpl $-EWOULDBLOCK, %eax
+ je 3b
+ negl %eax
+#ifdef PIC
+ call __i686.get_pc_thunk.bx
+#else
+ movl $4f, %ebx
+4:
+#endif
+ addl $_GLOBAL_OFFSET_TABLE_, %ebx
+ movl %gs:0, %edx
+ subl errno@gottpoff(%ebx), %edx
+ movl %eax, (%edx)
+ orl $-1, %eax
+ popl %esi
+ popl %ebx
+ ret
+ .size __new_sem_wait,.-__new_sem_wait
+ .symver __new_sem_wait, sem_wait@@GLIBC_2.1
+#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
+ .global __old_sem_wait
+__old_sem_wait = __new_sem_wait
+ .symver __old_sem_wait, sem_wait@GLIBC_2.0
+#endif
+
+
+ .globl __new_sem_trywait
+ .type __new_sem_trywait,@function
+ .align 16
+__new_sem_trywait:
+ movl 4(%esp), %ecx
+
+ movl (%ecx), %eax
+2: testl %eax, %eax
+ jz 1f
+
+ leal -1(%eax), %edx
+ LOCK
+ cmpxchgl %edx, (%ecx)
+ jne,pn 2b
+ xorl %eax, %eax
+ ret
+
+1:
+#ifdef PIC
+ call __i686.get_pc_thunk.cx
+#else
+ movl $3f, %ecx
+3:
+#endif
+ addl $_GLOBAL_OFFSET_TABLE_, %ecx
+ movl %gs:0, %edx
+ subl errno@gottpoff(%ecx), %edx
+ movl $EAGAIN, (%edx)
+ orl $-1, %eax
+ ret
+ .size __new_sem_trywait,.-__new_sem_trywait
+ .symver __new_sem_trywait, sem_trywait@@GLIBC_2.1
+#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
+ .global __old_sem_trywait
+__old_sem_trywait = __new_sem_trywait
+ .symver __old_sem_trywait, sem_trywait@GLIBC_2.0
+#endif
+
+
+ .globl sem_timedwait
+ .type sem_timedwait,@function
+ .align 16
+sem_timedwait:
+ movl 4(%esp), %ecx
+
+ movl (%ecx), %eax
+2: testl %eax, %eax
+ je,pn 1f
+
+ leal -1(%eax), %edx
+ LOCK
+ cmpxchgl %edx, (%ecx)
+ jne,pn 2b
+
+ xorl %eax, %eax
+ ret
+
+ /* Check whether the timeout value is valid. */
+1: pushl %esi
+ pushl %edi
+ pushl %ebx
+ subl $8, %esp
+
+ movl %esp, %esi
+ movl 28(%esp), %edi
+
+ /* Check for invalid nanosecond field. */
+ cmpl $1000000000, 4(%edi)
+ movl $EINVAL, %eax
+ jae 6f
+
+7: xorl %ecx, %ecx
+ movl %esp, %ebx
+ movl %ecx, %edx
+ movl $SYS_gettimeofday, %eax
+ int $0x80
+
+ /* Compute relative timeout. */
+ movl 4(%esp), %eax
+ movl $1000, %edx
+ mul %edx /* Milli seconds to nano seconds. */
+ movl (%edi), %ecx
+ movl 4(%edi), %edx
+ subl (%esp), %ecx
+ subl %eax, %edx
+ jns 5f
+ addl $1000000000, %edx
+ decl %ecx
+5: testl %ecx, %ecx
+ movl $ETIMEDOUT, %eax
+ js 6f /* Time is already up. */
+
+ movl %ecx, (%esp) /* Store relative timeout. */
+ movl %edx, 4(%esp)
+ movl 24(%esp), %ebx
+ xorl %ecx, %ecx
+ movl $SYS_futex, %eax
+ xorl %edx, %edx
+ int $0x80
+
+ testl %eax, %eax
+ je,pt 9f
+ cmpl $-EWOULDBLOCK, %eax
+ jne 3f
+
+9: movl (%ebx), %eax
+8: testl %eax, %eax
+ je 7b
+
+ leal -1(%eax), %ecx
+ LOCK
+ cmpxchgl %ecx, (%ebx)
+ jne,pn 8b
+
+ addl $8, %esp
+ xorl %eax, %eax
+ popl %ebx
+ popl %edi
+ popl %esi
+ ret
+
+3: negl %eax
+6:
+#ifdef PIC
+ call __i686.get_pc_thunk.bx
+#else
+ movl $4f, %ebx
+4:
+#endif
+ addl $_GLOBAL_OFFSET_TABLE_, %ebx
+ movl %gs:0, %edx
+ subl errno@gottpoff(%ebx), %edx
+ movl %eax, (%edx)
+
+ addl $8, %esp
+ orl $-1, %eax
+ popl %ebx
+ popl %edi
+ popl %esi
+ ret
+ .size sem_timedwait,.-sem_timedwait
+
+
+ .globl __new_sem_post
+ .type __new_sem_post,@function
+ .align 16
+__new_sem_post:
+ pushl %esi
+ pushl %ebx
+
+ movl 12(%esp), %ebx
+ movl $1, %edx
+ LOCK
+ xaddl %edx, (%ebx)
+
+ xorl %esi, %esi
+ movl $SYS_futex, %eax
+ movl $FUTEX_WAKE, %ecx
+ incl %edx
+ int $0x80
+
+ testl %eax, %eax
+ js 1f
+
+ popl %ebx
+ popl %esi
+ ret
+
+1:
+#ifdef PIC
+ call __i686.get_pc_thunk.bx
+#else
+ movl $4f, %ebx
+4:
+#endif
+ addl $_GLOBAL_OFFSET_TABLE_, %ebx
+ movl %gs:0, %edx
+ subl errno@gottpoff(%ebx), %edx
+ movl $EINVAL, (%edx)
+
+ orl $-1, %eax
+ popl %ebx
+ popl %esi
+ ret
+ .size __new_sem_post,.-__new_sem_post
+ .symver __new_sem_post, sem_post@@GLIBC_2.1
+#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
+ .global __old_sem_post
+__old_sem_post = __new_sem_post
+ .symver __old_sem_post, sem_post@GLIBC_2.0
+#endif
+
+
+#ifdef PIC
+ .section .gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
+ .globl __i686.get_pc_thunk.bx
+ .hidden __i686.get_pc_thunk.bx
+ .type __i686.get_pc_thunk.bx,@function
+__i686.get_pc_thunk.bx:
+ movl (%esp), %ebx;
+ ret
+ .size __i686.get_pc_thunk.bx,.-__i686.get_pc_thunk.bx
+
+
+ .section .gnu.linkonce.t.__i686.get_pc_thunk.cx,"ax",@progbits
+ .globl __i686.get_pc_thunk.cx
+ .hidden __i686.get_pc_thunk.cx
+ .type __i686.get_pc_thunk.cx,@function
+__i686.get_pc_thunk.cx:
+ movl (%esp), %ecx;
+ ret
+ .size __i686.get_pc_thunk.cx,.-__i686.get_pc_thunk.cx
+#endif
--- /dev/null
+/* Copyright (C) 2002 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>
+
+#define SYS_futex 240
+#define FUTEX_WAIT 0
+#define FUTEX_WAKE 1
+
+#ifndef UP
+# define LOCK lock
+#else
+# define LOCK
+#endif
+
+#define CURR_EVENT 0
+#define MUTEX 4
+#define LEFT 8
+#define INIT_COUNT 12
+
+
+ .text
+
+ .globl pthread_barrier_wait
+ .type pthread_barrier_wait,@function
+ .align 16
+pthread_barrier_wait:
+ pushl %esi
+ pushl %ebx
+
+ movl 12(%esp), %ebx
+ xorl %esi, %esi
+
+ /* Get the mutex. */
+ orl $-1, %eax
+ LOCK
+ xaddl %eax, MUTEX(%ebx)
+ jne 1f
+
+ /* One less waiter. If this was the last one needed wake
+ everybody. */
+2: decl LEFT(%ebx)
+ je 3f
+
+ /* There are more threads to come. */
+ movl CURR_EVENT(%ebx), %edx
+
+ /* Release the mutex. */
+ LOCK
+ incl MUTEX(%ebx)
+ jng 6f
+
+ /* Wait for the remaining threads. The call will return immediately
+ if the CURR_EVENT memory has meanwhile been changed. */
+7: movl %esi, %ecx /* movl $FUTEX_WAIT, %ecx */
+8: movl $SYS_futex, %eax
+ int $0x80
+
+ /* 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. */
+ cmpl %edx, CURR_EVENT(%ebx)
+ je,pn 8b
+
+ /* Note: %esi is still zero. */
+ movl %esi, %eax /* != PTHREAD_BARRIER_SERIAL_THREAD */
+
+ popl %ebx
+ popl %esi
+ ret
+
+ /* The necessary number of threads arrived. */
+3: movl INIT_COUNT(%ebx), %eax
+ movl %eax, LEFT(%ebx)
+ incl CURR_EVENT(%ebx)
+
+ /* Wake up all waiters. The count is a signed number in the kernel
+ so 0x7fffffff is the highest value. */
+ movl $0x7fffffff, %edx
+ movl $FUTEX_WAKE, %ecx
+ movl $SYS_futex, %eax
+ int $0x80
+
+ /* Release the mutex. */
+ LOCK
+ incl MUTEX(%ebx)
+ jng 4f
+
+5: orl $-1, %eax /* == PTHREAD_BARRIER_SERIAL_THREAD */
+
+ popl %ebx
+ popl %esi
+ ret
+
+1: leal MUTEX(%ebx), %ecx
+ call __lll_lock_wait
+ jmp 2b
+
+4: leal MUTEX(%ebx), %eax
+ call __lll_unlock_wake
+ jmp 5b
+
+6: leal MUTEX(%ebx), %eax
+ call __lll_unlock_wake
+ jmp 7b
+ .size pthread_barrier_wait,.-pthread_barrier_wait
--- /dev/null
+/* Copyright (C) 2002 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 "../i486/lowlevelcond.S"
--- /dev/null
+/* Copyright (C) 2002 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 "../i486/lowlevellock.S"
--- /dev/null
+/* Copyright (C) 2002 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 "../i486/lowlevelmutex.S"
--- /dev/null
+/* Copyright (C) 2002 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 "../i486/lowlevelrwlock.S"
--- /dev/null
+/* Copyright (C) 2002 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 "../i486/lowlevelsem.S"
--- /dev/null
+/* Copyright (C) 2002 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 "../i486/pthread_barrier_wait.S"
--- /dev/null
+/* Copyright (C) 2002 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 "../i486/lowlevelcond.S"
--- /dev/null
+/* Copyright (C) 2002 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 "../i486/lowlevellock.S"
--- /dev/null
+/* Copyright (C) 2002 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 "../i486/lowlevelmutex.S"
--- /dev/null
+/* Copyright (C) 2002 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 "../i486/lowlevelrwlock.S"
--- /dev/null
+/* Copyright (C) 2002 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 "../i486/lowlevelsem.S"
--- /dev/null
+/* Copyright (C) 2002 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 "../i486/pthread_barrier_wait.S"
--- /dev/null
+/* Copyright (C) 2002 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. */
+
+#ifndef _LOWLEVELLOCK_H
+#define _LOWLEVELLOCK_H 1
+
+#include <time.h>
+#include <bits/pthreadtypes.h>
+
+#ifndef LOCK_INSTR
+# ifdef UP
+# define LOCK_INSTR /* nothing */
+# else
+# define LOCK_INSTR "lock;"
+# endif
+#endif
+
+#define SYS_futex 240
+#define FUTEX_WAIT 0
+#define FUTEX_WAKE 1
+
+
+/* Initializer for compatibility lock. */
+#define LLL_MUTEX_LOCK_INITIALIZER (0)
+
+
+/* Does not preserve %eax and %ecx. */
+extern int __lll_mutex_lock_wait (int val, int *__futex)
+ __attribute ((regparm (2))) attribute_hidden;
+/* Does not preserver %eax, %ecx, and %edx. */
+extern int __lll_mutex_timedlock_wait (int val, int *__futex,
+ const struct timespec *abstime)
+ __attribute ((regparm (3))) attribute_hidden;
+/* Preserves all registers but %eax. */
+extern int __lll_mutex_unlock_wait (int *__futex)
+ __attribute ((regparm (1))) attribute_hidden;
+
+
+#define lll_mutex_trylock(futex) \
+ ({ unsigned char ret; \
+ __asm __volatile (LOCK_INSTR "cmpxchgl %2, %1; setne %0" \
+ : "=a" (ret), "=m" (futex) \
+ : "r" (1), "1" (futex), "0" (0)); \
+ ret; })
+
+
+#define lll_mutex_lock(futex) \
+ (void) ({ int ignore1, ignore2; \
+ __asm (LOCK_INSTR "xaddl %0, %2\n\t" \
+ "testl %0, %0\n\t" \
+ "jne 1f\n\t" \
+ ".subsection 1\n" \
+ "1:\tleal %2, %%ecx\n\t" \
+ "call __lll_mutex_lock_wait\n\t" \
+ "jmp 2f\n\t" \
+ ".previous\n" \
+ "2:" \
+ : "=a" (ignore1), "=&c" (ignore2), "=m" (futex) \
+ : "0" (1), "2" (futex)); })
+
+
+#define lll_mutex_timedlock(futex, timeout) \
+ ({ int result, ignore1, ignore2; \
+ __asm (LOCK_INSTR "xaddl %0, %3\n\t" \
+ "testl %0, %0\n\t" \
+ "jne 1f\n\t" \
+ ".subsection 1\n" \
+ "1:\tleal %3, %%ecx\n\t" \
+ "movl %6, %%edx\n\t" \
+ "call __lll_mutex_timedlock_wait\n\t" \
+ "jmp 2f\n\t" \
+ ".previous\n" \
+ "2:" \
+ : "=a" (result), "=&c" (ignore1), "=&d" (ignore2), "=m" (futex) \
+ : "0" (1), "3" (futex), "m" (timeout)); \
+ result; })
+
+
+#define lll_mutex_unlock(futex) \
+ (void) ({ int ignore; \
+ __asm (LOCK_INSTR "decl %0\n\t" \
+ "jne 1f\n\t" \
+ ".subsection 1\n" \
+ "1:\tleal %0, %%eax\n\t" \
+ "call __lll_mutex_unlock_wake\n\t" \
+ "jmp 2f\n\t" \
+ ".previous\n" \
+ "2:" \
+ : "=m" (futex), "=&a" (ignore) \
+ : "0" (futex)); })
+
+
+#define lll_mutex_islocked(futex) \
+ (futex != 0)
+
+
+/* We have a separate internal lock implementation which is not tied
+ to binary compatibility. */
+
+/* Type for lock object. */
+typedef int lll_lock_t;
+
+/* Initializers for lock. */
+#define LLL_LOCK_INITIALIZER (1)
+#define LLL_LOCK_INITIALIZER_LOCKED (0)
+
+
+extern int __lll_lock_wait (int val, int *__futex)
+ __attribute ((regparm (2))) attribute_hidden;
+extern int __lll_unlock_wake (int *__futex)
+ __attribute ((regparm (1))) attribute_hidden;
+extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
+
+
+/* The states of a lock are:
+ 1 - untaken
+ 0 - taken by one user
+ <0 - taken by more users */
+
+
+#define lll_trylock(futex) \
+ ({ unsigned char ret; \
+ __asm __volatile (LOCK_INSTR "cmpxchgl %2, %1; setne %0" \
+ : "=a" (ret), "=m" (futex) \
+ : "r" (0), "1" (futex), "0" (1)); \
+ ret; })
+
+
+#define lll_lock(futex) \
+ (void) ({ int ignore1, ignore2; \
+ __asm (LOCK_INSTR "xaddl %0, %2\n\t" \
+ "jne 1f\n\t" \
+ ".subsection 1\n" \
+ "1:\tleal %2, %%ecx\n\t" \
+ "call __lll_lock_wait\n\t" \
+ "jmp 2f\n\t" \
+ ".previous\n" \
+ "2:" \
+ : "=a" (ignore1), "=&c" (ignore2), "=m" (futex) \
+ : "0" (-1), "2" (futex)); })
+
+
+#define lll_unlock(futex) \
+ (void) ({ int ignore; \
+ __asm (LOCK_INSTR "incl %0\n\t" \
+ "jng 1f\n\t" \
+ ".subsection 1\n" \
+ "1:\tleal %0, %%eax\n\t" \
+ "call __lll_unlock_wake\n\t" \
+ "jmp 2f\n\t" \
+ ".previous\n" \
+ "2:" \
+ : "=m" (futex), "=&a" (ignore) \
+ : "0" (futex)); })
+
+
+#define lll_islocked(futex) \
+ (futex != 0)
+
+
+/* The kernel notifies a process with uses CLONE_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. */
+#ifdef PIC
+# define LLL_TID_EBX_LOAD "xchgl %2, %%ebx\n"
+# define LLL_TID_EBX_REG "D"
+#else
+# define LLL_TID_EBX_LOAD
+# define LLL_TID_EBX_REG "b"
+#endif
+#define lll_wait_tid(tid) \
+ do { \
+ int __ignore; \
+ register __typeof (tid) _tid asm ("edx") = (tid); \
+ if (_tid != 0) \
+ __asm __volatile (LLL_TID_EBX_LOAD \
+ "1:\tmovl %1, %%eax\n\t" \
+ "int $0x80\n\t" \
+ "cmpl $0, (%%ebx)\n\t" \
+ "jne,pn 1b\n\t" \
+ LLL_TID_EBX_LOAD \
+ : "=&a" (__ignore) \
+ : "i" (SYS_futex), LLL_TID_EBX_REG (&tid), "S" (0), \
+ "c" (FUTEX_WAIT), "d" (_tid)); \
+ } while (0)
+
+extern int __lll_timedwait_tid (int *tid, const struct timespec *abstime)
+ __attribute__ ((regparm (2))) attribute_hidden;
+#define lll_timedwait_tid(tid, abstime) \
+ ({ \
+ int __result = 0; \
+ if (tid != 0) \
+ { \
+ if (abstime == NULL || abstime->tv_nsec >= 1000000000) \
+ __result = EINVAL; \
+ else \
+ __result = __lll_timedwait_tid (&tid, abstime); \
+ } \
+ __result; })
+
+
+#define lll_wake_tid(tid) \
+ do { \
+ int __ignore; \
+ (tid) = 0; \
+ __asm __volatile (LLL_TID_EBX_LOAD \
+ "\tint $0x80\n\t" \
+ LLL_TID_EBX_LOAD \
+ : "=a" (__ignore) \
+ : "0" (SYS_futex), LLL_TID_EBX_REG (&(tid)), "S" (0), \
+ "c" (FUTEX_WAKE), "d" (0x7fffffff)); \
+ } while (0)
+
+
+/* Conditional variable handling. */
+
+extern void __lll_cond_wait (pthread_cond_t *cond)
+ __attribute ((regparm (1))) attribute_hidden;
+extern int __lll_cond_timedwait (pthread_cond_t *cond,
+ const struct timespec *abstime)
+ __attribute ((regparm (2))) attribute_hidden;
+extern void __lll_cond_wake (pthread_cond_t *cond)
+ __attribute ((regparm (1))) attribute_hidden;
+extern void __lll_cond_broadcast (pthread_cond_t *cond)
+ __attribute ((regparm (1))) attribute_hidden;
+
+
+#define lll_cond_wait(cond) \
+ __lll_cond_wait (cond)
+#define lll_cond_timedwait(cond, abstime) \
+ __lll_cond_timedwait (cond, abstime)
+#define lll_cond_wake(cond) \
+ __lll_cond_wake (cond)
+#define lll_cond_broadcast(cond) \
+ __lll_cond_broadcast (cond)
+
+
+#endif /* lowlevellock.h */
--- /dev/null
+/* Copyright (C) 2002 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. */
+
+#ifndef _LOWLEVELSEM_H
+#define _LOWLEVELSEM_H 1
+
+#ifndef LOCK
+# ifdef UP
+# define LOCK /* nothing */
+# else
+# define LOCK "lock;"
+# endif
+#endif
+
+#define SYS_futex 240
+
+
+#define lll_sem_wait(sem) \
+ ({ int result, ignore1, ignore2; \
+ __asm __volatile ("1:\tincl 8(%4)\n\t" \
+ LOCK "incl (%4)\n\t" \
+ "jng 2f\n" \
+ ".subsection 1\n" \
+ "2:\tmovl %4, %%eax\n\t" \
+ "call __lll_unlock_wake\n\t" \
+ "jmp 3f\n\t" \
+ ".previous\n" \
+ "3:\tpushl %%ebx\n\t" \
+ "movl %%esi, %%ecx\n\t" \
+ "movl %%esi, %%edx\n\t" \
+ "leal 4(%4), %%ebx\n\t" \
+ "movl %5, %%eax\n\t" \
+ "int $0x80\n\t" \
+ "movl %%eax, %%edx\n\t" \
+ "popl %%ebx\n\t" \
+ "orl $-1, %%eax\n\t" \
+ LOCK "xaddl %%eax, (%4)\n\t" \
+ "jne 4f\n\t" \
+ ".subsection 1\n" \
+ "4:\tmovl %4, %%ecx\n\t" \
+ "call __lll_lock_wait\n\t" \
+ "jmp 5f\n\t" \
+ ".previous\n" \
+ "5:\tdecl 8(%4)\n\t" \
+ "xorl %0, %0\n\t" \
+ "cmpl $0, 4(%4)\n\t" \
+ "jne,pt 6f\n\t" \
+ "cmpl %7, %%edx\n\t" \
+ "jne,pn 1b\n\t" \
+ "addl %8, %0\n\t" /* Shorter than movl %7, %0 */ \
+ "6:" \
+ : "=a" (result), "=c" (ignore1), "=d" (ignore2), \
+ "=m" (*sem) \
+ : "D" (sem), "i" (SYS_futex), "S" (0), \
+ "i" (-EINTR), "i" (EINTR)); \
+ result; })
+
+
+extern int __lll_sem_timedwait (struct sem *sem, const struct timespec *ts)
+ __attribute__ ((regparm (2))) attribute_hidden;
+#define lll_sem_timedwait(sem, timeout) \
+ __lll_sem_timedwait (sem, timeout)
+
+
+#define lll_sem_post(sem) \
+ (void) ({ int ignore1, ignore2, ignore3; \
+ __asm __volatile ("movl $1, %%eax\n\t" \
+ LOCK \
+ "xaddl %%eax, (%4)\n\t" \
+ "pushl %%esi\n\t" \
+ "pushl %%ebx\n\t" \
+ "movl %4, %%ebx\n\t" \
+ "leal 1(%%eax), %%edx\n\t" \
+ "xorl %%esi, %%esi\n\t" \
+ "movl %5, %%eax\n\t" \
+ /* movl $FUTEX_WAKE, %ecx */ \
+ "movl $1, %%ecx\n\t" \
+ "int $0x80\n\t" \
+ "popl %%ebx\n\t" \
+ "popl %%esi" \
+ : "=&a" (ignore1), "=c" (ignore2), \
+ "=m" (*sem), "=d" (ignore3) \
+ : "r" (sem), "i" (SYS_futex)); })
+
+#endif /* lowlevelsem.h */
--- /dev/null
+/* Copyright (C) 1999, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Schwab <schwab@gnu.org>.
+
+ 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>
+#define _ERRNO_H 1
+#include <bits/errno.h>
+#include <kernel-features.h>
+
+/* Clone the calling process, but without copying the whole address space.
+ The calling process is suspended until the new process exits or is
+ replaced by a call to `execve'. Return -1 for errors, 0 to the new process,
+ and the process ID of the new process to the old process. */
+
+ENTRY (__vfork)
+ /* Pop the return PC value into ECX. */
+ popl %ecx
+
+ /* Stuff the syscall number in EAX and enter into the kernel. */
+ movl $SYS_ify (vfork), %eax
+ int $0x80
+
+ /* Jump to the return PC. Don't jump directly since this
+ disturbs the branch target cache. Instead push the return
+ address back on the stack. */
+ pushl %ecx
+
+ cmpl $-4095, %eax
+ jae SYSCALL_ERROR_LABEL /* Branch forward if it failed. */
+.Lpseudo_end:
+ ret
+PSEUDO_END (__vfork)
+
+weak_alias (__vfork, vfork)
--- /dev/null
+/* Copyright (C) 2002 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>
+
+#ifndef UP
+# define LOCK lock
+#else
+# define LOCK
+#endif
+
+#define SYS_futex 240
+#define FUTEX_WAKE 1
+
+ .comm __fork_generation, 4, 4
+
+ .text
+
+
+ .globl __pthread_once
+ .type __pthread_once,@function
+ .align 16
+__pthread_once:
+ movl 4(%esp), %ecx
+ testl $2, (%ecx)
+ jz 1f
+ xorl %eax, %eax
+ ret
+
+1: pushl %ebx
+ pushl %esi
+ movl %ecx, %ebx
+ xorl %esi, %esi
+
+ /* Not yet initialized or initialization in progress.
+ Get the fork generation counter now. */
+6: movl (%ebx), %eax
+#ifdef PIC
+ call __i686.get_pc_thunk.cx
+ addl $_GLOBAL_OFFSET_TABLE_, %ecx
+#endif
+
+5: movl %eax, %edx
+
+ testl $2, %eax
+ jnz 4f
+
+ andl $3, %edx
+#ifdef PIC
+ orl __fork_generation@GOTOFF(%ecx), %edx
+#else
+ orl __fork_generation, %edx
+#endif
+ orl $1, %edx
+
+ LOCK
+ cmpxchgl %edx, (%ebx)
+ jnz 5b
+
+ /* Check whether another thread already runs the initializer. */
+ testl $1, %eax
+ jz 3f /* No -> do it. */
+
+ /* Check whether the initializer execution was interrupted
+ by a fork. */
+ xorl %edx, %eax
+ testl $0xfffffffc, %eax
+ jnz 3f /* Different for generation -> run initializer. */
+
+ /* Somebody else got here first. Wait. */
+ movl %esi, %ecx /* movl $FUTEX_WAIT, %ecx */
+ movl $SYS_futex, %eax
+ int $0x80
+ jmp 6b
+
+3: /* Call the initializer function after setting up the
+ cancellation handler. */
+ subl $16, %esp
+
+ /* Push the cleanup handler. */
+#ifdef PIC
+ leal clear_once_control@GOTOFF(%ecx), %eax
+#else
+ leal clear_once_control, %eax
+#endif
+ movl %esp, %edx
+ pushl %ebx
+ pushl %eax
+ pushl %edx
+ call _GI_pthread_cleanup_push /* Note: no @PLT. */
+
+ movl 44(%esp), %eax
+ call *%eax
+
+ /* Pop the cleanup handler. This code depends on the once
+ handler and _pthread_cleanup_push not touch the content
+ of the stack. Otherwise the first parameter would have
+ to be reloaded. */
+ movl $0, 4(%esp)
+ call _GI_pthread_cleanup_pop /* Note: no @PLT. */
+
+ addl $28, %esp
+
+ /* Sucessful run of the initializer. Signal that we are done. */
+ LOCK
+ incl (%ebx)
+
+ /* Wake up all other threads. */
+ movl $0x7fffffff, %edx
+ movl $FUTEX_WAKE, %ecx
+ movl $SYS_futex, %eax
+ int $0x80
+
+4: popl %esi
+ popl %ebx
+ xorl %eax, %eax
+ ret
+
+ .size __pthread_once,.-__pthread_once
+
+ .globl pthread_once
+pthread_once = __pthread_once
+
+
+ .type clear_once_control,@function
+ .align 16
+clear_once_control:
+ pushl %esi
+ pushl %ebx
+
+ movl 4(%esp), %eax
+ movl $0, (%eax)
+
+ xorl %esi, %esi
+ movl $0x7fffffff, %edx
+ movl $FUTEX_WAKE, %ecx
+ movl $SYS_futex, %eax
+ int $0x80
+
+ popl %ebx
+ popl %esi
+ ret
+ .size clear_once_control,.-clear_once_control
+
+
+#ifdef PIC
+ .section .gnu.linkonce.t.__i686.get_pc_thunk.cx,"ax",@progbits
+ .globl __i686.get_pc_thunk.cx
+ .hidden __i686.get_pc_thunk.cx
+ .type __i686.get_pc_thunk.cx,@function
+__i686.get_pc_thunk.cx:
+ movl (%esp), %ecx;
+ ret
+ .size __i686.get_pc_thunk.cx,.-__i686.get_pc_thunk.cx
+#endif
--- /dev/null
+/* Copyright (C) 2002 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 <errno.h>
+#include <signal.h>
+#include <sysdep.h>
+#include <tls.h>
+
+
+int
+raise (sig)
+ int sig;
+{
+ return INLINE_SYSCALL (tkill, 2, THREAD_SELF->tid, sig);
+}
--- /dev/null
+/* Copyright (C) 2002 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 <errno.h>
+#include <signal.h>
+#include <pthreadP.h>
+#include <tls.h>
+#include <sysdep.h>
+
+
+int
+pthread_kill (threadid, signo)
+ pthread_t threadid;
+ int signo;
+{
+ struct pthread *pd = (struct pthread *) threadid;
+
+ /* We have a special syscall to do the work. */
+ return INLINE_SYSCALL (tkill, 2, pd->tid, signo);
+}
--- /dev/null
+/* Copyright (C) 2002 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 <pthread.h>
+#include <sched.h>
+
+
+/* With the 1-on-1 model we implement this function is equivalent to
+ the 'sched_yield' function. */
+int
+pthread_yield (void)
+{
+ return sched_yield ();
+}
--- /dev/null
+/* Copyright (C) 2002 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 <errno.h>
+#include <signal.h>
+#include <sysdep.h>
+#include <nptl/pthreadP.h>
+
+
+int
+raise (sig)
+ int sig;
+{
+ struct pthread *pd = THREAD_SELF;
+ pid_t selftid = pd->tid;
+ if (selftid == 0)
+ {
+ selftid = INLINE_SYSCALL (gettid, 0);
+ THREAD_SETMEM (pd, tid, selftid);
+ }
+
+ return INLINE_SYSCALL (tkill, 2, selftid, sig);
+}
--- /dev/null
+/* Copyright (C) 2002 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 <errno.h>
+#include <stdlib.h>
+#include "fork.h"
+
+
+int
+__register_atfork (prepare, parent, child, dso_handle)
+ void (*prepare) (void);
+ void (*parent) (void);
+ void (*child) (void);
+ void *dso_handle;
+{
+ struct fork_handler *new_prepare = NULL;
+ struct fork_handler *new_parent = NULL;
+ struct fork_handler *new_child = NULL;
+
+ if (prepare != NULL)
+ {
+ new_prepare = (struct fork_handler *) malloc (sizeof (*new_prepare));
+ if (new_prepare == NULL)
+ goto out1;
+
+ new_prepare->handler = prepare;
+ new_prepare->dso_handle = dso_handle;
+ }
+
+ if (parent != NULL)
+ {
+ new_parent = (struct fork_handler *) malloc (sizeof (*new_parent));
+ if (new_parent == NULL)
+ goto out2;
+
+ new_parent->handler = parent;
+ new_parent->dso_handle = dso_handle;
+ }
+
+ if (child != NULL)
+ {
+ new_child = (struct fork_handler *) malloc (sizeof (*new_child));
+ if (new_child == NULL)
+ {
+ free (new_parent);
+ out2:
+ free (new_prepare);
+ out1:
+ return errno;
+ }
+
+ new_child->handler = child;
+ new_child->dso_handle = dso_handle;
+ }
+
+ /* Get the lock to not conflict with running forks. */
+ lll_lock (__fork_lock);
+
+ /* Now that we have all the handlers allocate enqueue them. */
+ if (new_prepare != NULL)
+ list_add_tail (&new_prepare->list, &__fork_prepare_list);
+ if (new_parent != NULL)
+ list_add_tail (&new_parent->list, &__fork_parent_list);
+ if (new_child != NULL)
+ list_add_tail (&new_child->list, &__fork_child_list);
+
+ /* Release the lock. */
+ lll_unlock (__fork_lock);
+
+ return 0;
+}
--- /dev/null
+/* Copyright (C) 2002 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 <errno.h>
+#include <stdlib.h>
+#include "fork.h"
+
+
+void
+__unregister_atfork (dso_handle)
+ void *dso_handle;
+{
+ /* Get the lock to not conflict with running forks. */
+ lll_lock (__fork_lock);
+
+ list_t *runp;
+ list_t *prevp;
+
+ list_for_each_prev_safe (runp, prevp, &__fork_prepare_list)
+ if (list_entry (runp, struct fork_handler, list)->dso_handle == dso_handle)
+ list_del (runp);
+
+ list_for_each_prev_safe (runp, prevp, &__fork_parent_list)
+ if (list_entry (runp, struct fork_handler, list)->dso_handle == dso_handle)
+ list_del (runp);
+
+ list_for_each_prev_safe (runp, prevp, &__fork_child_list)
+ if (list_entry (runp, struct fork_handler, list)->dso_handle == dso_handle)
+ list_del (runp);
+
+ /* Release the lock. */
+ lll_unlock (__fork_lock);
+}
--- /dev/null
+# Copyright (C) 2002 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.
+
+# Makefile for NPTL debug library subdirectory of GNU C Library.
+
+subdir := nptl_db
+
+nptl_db-version = 1.0
+
+extra-libs = libthread_db
+extra-libs-others := $(extra-libs)
+
+headers = thread_db.h
+
+libthread_db-routines = td_init td_log td_ta_new td_ta_delete \
+ td_ta_get_nthreads td_ta_get_ph \
+ td_ta_map_id2thr td_ta_map_lwp2thr \
+ td_ta_thr_iter td_ta_tsd_iter \
+ td_thr_get_info td_thr_getfpregs td_thr_getgregs \
+ td_thr_getxregs td_thr_getxregsize td_thr_setfpregs \
+ td_thr_setgregs td_thr_setprio td_thr_setsigpending \
+ td_thr_setxregs td_thr_sigsetmask td_thr_tsd \
+ td_thr_validate td_thr_dbsuspend td_thr_dbresume \
+ td_ta_setconcurrency td_ta_enable_stats \
+ td_ta_reset_stats td_ta_get_stats td_ta_event_addr \
+ td_thr_event_enable td_thr_set_event \
+ td_thr_clear_event td_thr_event_getmsg \
+ td_ta_set_event td_ta_event_getmsg \
+ td_ta_clear_event td_symbol_list td_thr_tls_get_addr
+
+
+
+libthread_db-inhibit-o = $(filter-out .os,$(object-suffixes))
+
+distribute = thread_dbP.h shlib-versions proc_service.h
+include ../Rules
+
+# Depend on libc.so so a DT_NEEDED is generated in the shared objects.
+# This ensures they will load libc.so for needed symbols if loaded by
+# a statically-linked program that hasn't already loaded it.
+$(objpfx)libthread_db.so: $(common-objpfx)libc.so \
+ $(common-objpfx)libc_nonshared.a
--- /dev/null
+libthread_db {
+ GLIBC_2.1.3 {
+ # t*
+ td_init; td_log; td_ta_clear_event; td_ta_delete; td_ta_enable_stats;
+ td_ta_event_addr; td_ta_event_getmsg; td_ta_get_nthreads; td_ta_get_ph;
+ td_ta_get_stats; td_ta_map_id2thr; td_ta_map_lwp2thr; td_ta_new;
+ td_ta_reset_stats; td_ta_set_event; td_ta_setconcurrency;
+ td_ta_thr_iter; td_ta_tsd_iter; td_thr_clear_event; td_thr_dbresume;
+ td_thr_dbsuspend; td_thr_event_enable; td_thr_event_getmsg;
+ td_thr_get_info; td_thr_getfpregs; td_thr_getgregs; td_thr_getxregs;
+ td_thr_getxregsize; td_thr_set_event; td_thr_setfpregs; td_thr_setgregs;
+ td_thr_setprio; td_thr_setsigpending; td_thr_setxregs; td_thr_sigsetmask;
+ td_thr_tsd; td_thr_validate;
+ }
+ GLIBC_2.2.3 {
+ td_symbol_list;
+ }
+ GLIBC_2.3 {
+ td_thr_tls_get_addr;
+ }
+}
--- /dev/null
+/* Copyright (C) 1999, 2002 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. */
+
+/* The definitions in this file must correspond to those in the debugger. */
+#include <sys/procfs.h>
+
+typedef enum
+{
+ PS_OK, /* generic "call succeeded" */
+ PS_ERR, /* generic. */
+ PS_BADPID, /* bad process handle */
+ PS_BADLID, /* bad lwp identifier */
+ PS_BADADDR, /* bad address */
+ PS_NOSYM, /* p_lookup() could not find given symbol */
+ PS_NOFREGS
+ /*
+ * FPU register set not available for given
+ * lwp
+ */
+} ps_err_e;
+
+
+struct ps_prochandle; /* user defined. */
+
+
+extern ps_err_e ps_pdread(struct ps_prochandle *,
+ psaddr_t, void *, size_t);
+extern ps_err_e ps_pdwrite(struct ps_prochandle *,
+ psaddr_t, const void *, size_t);
+extern ps_err_e ps_ptread(struct ps_prochandle *,
+ psaddr_t, void *, size_t);
+extern ps_err_e ps_ptwrite(struct ps_prochandle *,
+ psaddr_t, const void *, size_t);
+
+extern ps_err_e ps_pglobal_lookup(struct ps_prochandle *,
+ const char *object_name, const char *sym_name, psaddr_t *sym_addr);
+
+
+extern ps_err_e ps_lgetregs(struct ps_prochandle *,
+ lwpid_t, prgregset_t);
+extern ps_err_e ps_lsetregs(struct ps_prochandle *,
+ lwpid_t, const prgregset_t);
+extern ps_err_e ps_lgetfpregs(struct ps_prochandle *,
+ lwpid_t, prfpregset_t *);
+extern ps_err_e ps_lsetfpregs(struct ps_prochandle *,
+ lwpid_t, const prfpregset_t *);
+
+extern pid_t ps_getpid (struct ps_prochandle *);
+
+
+extern ps_err_e ps_pstop (const struct ps_prochandle *);
+extern ps_err_e ps_pcontinue (const struct ps_prochandle *);
+
+extern ps_err_e ps_lstop (const struct ps_prochandle *, lwpid_t);
+extern ps_err_e ps_lcontinue (const struct ps_prochandle *, lwpid_t);
+
+extern ps_err_e ps_get_thread_area (const struct ps_prochandle *, lwpid_t,
+ int, psaddr_t *);
--- /dev/null
+# The thread debug library
+.*-.*-linux.* libthread_db=1
--- /dev/null
+/* Initialization function of thread debugger support library.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+int __td_debug;
+
+
+td_err_e
+td_init (void)
+{
+ /* XXX We have to figure out what has to be done. */
+ LOG ("td_init");
+ return TD_OK;
+}
--- /dev/null
+/* Noop, left for historical reasons.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_log (void)
+{
+ /* This interface is deprecated in the Sun interface. We provide it
+ for compatibility but don't do anything ourself. We might in
+ future do some logging if this seems reasonable. */
+ LOG ("td_log");
+ return TD_OK;
+}
--- /dev/null
+/* Return list of symbols the library can request.
+ Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
+
+ 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 <assert.h>
+#include <gnu/lib-names.h>
+#include "thread_dbP.h"
+
+
+static const char *symbol_list_arr[] =
+{
+ [SYM_PTHREAD_THREADS_EVENTS] = "__nptl_threads_events",
+ [SYM_PTHREAD_LAST_EVENT] = "__nptl_last_event",
+ [SYM_PTHREAD_NTHREADS] = "nptl_nthreads",
+ [SYM_PTHREAD_STACK_USED] = "stack_used",
+ [SYM_PTHREAD_STACK_USER] = "__stack_user",
+ [SYM_PTHREAD_KEYS] = "pthread_keys",
+ [SYM_PTHREAD_KEYS_MAX] = "__pthread_pthread_keys_max",
+ [SYM_PTHREAD_SIZEOF_DESCR] = "__pthread_pthread_sizeof_descr",
+ [SYM_PTHREAD_CREATE_EVENT] = "__nptl_create_event",
+ [SYM_PTHREAD_DEATH_EVENT] = "__nptl_death_event",
+ [SYM_PTHREAD_VERSION] = "nptl_version",
+ [SYM_NUM_MESSAGES] = NULL
+};
+
+
+const char **
+td_symbol_list (void)
+{
+ return symbol_list_arr;
+}
+
+
+int
+td_lookup (struct ps_prochandle *ps, int idx, psaddr_t *sym_addr)
+{
+ assert (idx >= 0 && idx < SYM_NUM_MESSAGES);
+ return ps_pglobal_lookup (ps, LIBPTHREAD_SO, symbol_list_arr[idx], sym_addr);
+}
--- /dev/null
+/* Globally disable events.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_ta_clear_event (ta, event)
+ const td_thragent_t *ta;
+ td_thr_events_t *event;
+{
+ LOG ("td_ta_clear_event");
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ /* Write the new value into the thread data structure. */
+ td_thr_events_t old_event;
+ if (ps_pdread (ta->ph, ta->pthread_threads_eventsp,
+ &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Remove the set bits in. */
+ int i;
+ for (i = 0; i < TD_EVENTSIZE; ++i)
+ old_event.event_bits[i] &= ~event->event_bits[i];
+
+ /* Write the new value into the thread data structure. */
+ if (ps_pdwrite (ta->ph, ta->pthread_threads_eventsp,
+ &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ return TD_OK;
+}
--- /dev/null
+/* Detach to target process.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 <stdlib.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_delete (td_thragent_t *ta)
+{
+ LOG ("td_ta_delete");
+
+ /* Safety check. Note that the test will also fail for TA == NULL. */
+ if (!ta_ok (ta))
+ return TD_BADTA;
+
+ /* Remove the handle from the list. */
+ list_del (&ta->list);
+
+ /* The handle was allocated in `td_ta_new'. */
+ free (ta);
+
+ return TD_OK;
+}
--- /dev/null
+/* Enable collection of statistics for process.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_ta_enable_stats (const td_thragent_t *ta, int enable)
+{
+ /* XXX We have to figure out what has to be done. */
+ LOG ("td_ta_enable_stats");
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ return TD_OK;
+}
--- /dev/null
+/* Get event address.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_ta_event_addr (const td_thragent_t *ta, td_event_e event, td_notify_t *addr)
+{
+ td_err_e res = TD_NOEVENT;
+ int idx = -1;
+
+ LOG ("td_ta_event_addr");
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ switch (event)
+ {
+ case TD_CREATE:
+ idx = SYM_PTHREAD_CREATE_EVENT;
+ break;
+
+ case TD_DEATH:
+ idx = SYM_PTHREAD_DEATH_EVENT;
+ break;
+
+ default:
+ /* Event cannot be handled. */
+ break;
+ }
+
+ /* Now get the address. */
+ if (idx != -1)
+ {
+ psaddr_t taddr;
+
+ if (td_lookup (ta->ph, idx, &taddr) == PS_OK)
+ {
+ /* Success, we got the address. */
+ addr->type = NOTIFY_BPT;
+ addr->u.bptaddr = taddr;
+
+ res = TD_OK;
+ }
+ else
+ res = TD_ERR;
+ }
+
+ return res;
+}
--- /dev/null
+/* Retrieve event.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 <stddef.h>
+#include <string.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_ta_event_getmsg (const td_thragent_t *ta, td_event_msg_t *msg)
+{
+ /* XXX I cannot think of another way but using a static variable. */
+ /* XXX Use at least __thread once it is possible. */
+ static td_thrhandle_t th;
+
+ LOG ("td_ta_event_getmsg");
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ /* Get the pointer to the thread descriptor with the last event. */
+ psaddr_t addr;
+ if (ps_pdread (ta->ph, ta->pthread_last_event,
+ &addr, sizeof (struct pthread *)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Read the even structure from the target. */
+ if (addr == 0)
+ return TD_NOMSG;
+
+ /* Read the even structure from the target. */
+ td_eventbuf_t event;
+ if (ps_pdread (ta->ph, (char *) addr + offsetof (struct pthread, eventbuf),
+ &event, sizeof (td_eventbuf_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* If the structure is on the list there better be an event recorded. */
+ assert (event.eventnum != TD_EVENT_NONE);
+
+ /* Generate the thread descriptor. */
+ th.th_ta_p = (td_thragent_t *) ta;
+ th.th_unique = addr;
+
+ /* Fill the user's data structure. */
+ msg->event = event.eventnum;
+ msg->th_p = &th;
+ msg->msg.data = (uintptr_t) event.eventdata;
+
+ /* Get the pointer to the next descriptor with an event. */
+ psaddr_t next;
+ if (ps_pdread (ta->ph, (char *) addr + offsetof (struct pthread, nextevent),
+ &next, sizeof (struct pthread *)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Store the pointer in the list head variable. */
+ if (ps_pdwrite (ta->ph, ta->pthread_last_event,
+ addr, sizeof (struct pthread *)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Clear the next pointer in the current descriptor. */
+ if (ps_pdwrite (ta->ph, (char *) addr + offsetof (struct pthread, nextevent),
+ NULL, sizeof (struct pthread *)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ return TD_OK;
+}
--- /dev/null
+/* Get the number of threads in the process.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+td_err_e
+td_ta_get_nthreads (const td_thragent_t *ta, int *np)
+{
+ LOG ("td_ta_get_nthreads");
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ /* Access the variable `__pthread_handles_num'. */
+ psaddr_t addr;
+ if (td_lookup (ta->ph, SYM_PTHREAD_NTHREADS, &addr) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ if (ps_pdread (ta->ph, addr, np, sizeof (int)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ return TD_OK;
+}
--- /dev/null
+/* Get external process handle.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_ta_get_ph (const td_thragent_t *ta, struct ps_prochandle **ph)
+{
+ LOG ("td_ta_get_ph");
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ *ph = ta->ph;
+
+ return TD_OK;
+}
--- /dev/null
+/* Retrieve statistics for process.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_ta_get_stats (const td_thragent_t *ta, td_ta_stats_t *statsp)
+{
+ /* XXX We have to figure out what has to be done. */
+ LOG ("td_ta_get_stats");
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ return TD_OK;
+}
--- /dev/null
+/* Map thread ID to thread handle.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_ta_map_id2thr (const td_thragent_t *ta, pthread_t pt, td_thrhandle_t *th)
+{
+ LOG ("td_ta_map_id2thr");
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ /* Create the `td_thrhandle_t' object. */
+ th->th_ta_p = (td_thragent_t *) ta;
+ th->th_unique = (psaddr_t) pt;
+
+ return TD_OK;
+}
--- /dev/null
+/* Which thread is running on an lwp?
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+#include <tls.h>
+
+
+td_err_e
+td_ta_map_lwp2thr (const td_thragent_t *ta, lwpid_t lwpid, td_thrhandle_t *th)
+{
+ LOG ("td_ta_map_lwp2thr");
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ /* Get the thread area for the addressed thread. */
+ if (ps_get_thread_area (ta->ph, lwpid, TLS_GET_GS () >> 3, &th->th_unique)
+ != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Found it. Now complete the `td_thrhandle_t' object. */
+ th->th_ta_p = (td_thragent_t *) ta;
+
+ return TD_OK;
+}
--- /dev/null
+/* Attach to target process.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <version.h>
+
+#include "thread_dbP.h"
+
+
+/* Datatype for the list of known thread agents. Normally there will
+ be exactly one so we don't spend much though on making it fast. */
+LIST_HEAD (__td_agent_list);
+
+
+td_err_e
+td_ta_new (struct ps_prochandle *ps, td_thragent_t **ta)
+{
+ psaddr_t addr;
+ psaddr_t versaddr;
+ char versbuf[sizeof (VERSION)];
+
+ LOG ("td_ta_new");
+
+ /* Get the global event mask. This is one of the variables which
+ are new in the thread library to enable debugging. If it is
+ not available we cannot debug. */
+ if (td_lookup (ps, SYM_PTHREAD_THREADS_EVENTS, &addr) != PS_OK)
+ return TD_NOLIBTHREAD;
+
+ /* Check whether the versions match. */
+ if (td_lookup (ps, SYM_PTHREAD_VERSION, &versaddr) != PS_OK)
+ return TD_VERSION;
+ if (ps_pdread (ps, versaddr, versbuf, sizeof (versbuf)) != PS_OK)
+ return TD_ERR;
+
+ if (versbuf[sizeof (versbuf) - 1] != '\0' || strcmp (versbuf, VERSION) != 0)
+ /* Not the right version. */
+ return TD_VERSION;
+
+ /* Fill in the appropriate information. */
+ *ta = (td_thragent_t *) malloc (sizeof (td_thragent_t));
+ if (*ta == NULL)
+ return TD_MALLOC;
+
+ /* Store the proc handle which we will pass to the callback functions
+ back into the debugger. */
+ (*ta)->ph = ps;
+
+ /* Remember the address. */
+ (*ta)->pthread_threads_eventsp = (td_thr_events_t *) addr;
+
+ /* Get the pointer to the variable pointing to the thread descriptor
+ with the last event. */
+ if (td_lookup (ps, SYM_PTHREAD_LAST_EVENT, &(*ta)->pthread_last_event)
+ != PS_OK)
+ {
+ free_return:
+ free (*ta);
+ return TD_ERR;
+ }
+
+
+ if (td_lookup (ps, SYM_PTHREAD_STACK_USER, &addr) != PS_OK)
+ goto free_return;
+ /* Cast to the right type. */
+ (*ta)->stack_user = (list_t *) addr;
+
+ if (td_lookup (ps, SYM_PTHREAD_STACK_USED, &addr) != PS_OK)
+ goto free_return;
+ /* Cast to the right type. */
+ (*ta)->stack_used = (list_t *) addr;
+
+
+ if (td_lookup (ps, SYM_PTHREAD_KEYS, &addr) != PS_OK)
+ goto free_return;
+ /* Cast to the right type. */
+ (*ta)->keys = (struct pthread_key_struct *) addr;
+
+
+ /* Similarly for the maximum number of thread local data keys. */
+ if (td_lookup (ps, SYM_PTHREAD_KEYS_MAX, &addr) != PS_OK
+ || ps_pdread (ps, addr, &(*ta)->pthread_keys_max, sizeof (int)) != PS_OK)
+ goto free_return;
+
+
+ /* And for the size of the second level arrays for the keys. */
+ if (td_lookup (ps, SYM_PTHREAD_SIZEOF_DESCR, &addr) != PS_OK
+ || ps_pdread (ps, addr, &(*ta)->sizeof_descr, sizeof (int)) != PS_OK)
+ goto free_return;
+
+
+ /* Now add the new agent descriptor to the list. */
+ list_add (&(*ta)->list, &__td_agent_list);
+
+ return TD_OK;
+}
--- /dev/null
+/* Reset statistics.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_ta_reset_stats (const td_thragent_t *ta)
+{
+ /* XXX We have to figure out what has to be done. */
+ LOG ("td_ta_reset_stats");
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ return TD_OK;
+}
--- /dev/null
+/* Globally enable events.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_ta_set_event (ta, event)
+ const td_thragent_t *ta;
+ td_thr_events_t *event;
+{
+ LOG ("td_ta_set_event");
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ /* Write the new value into the thread data structure. */
+ td_thr_events_t old_event;
+ if (ps_pdread (ta->ph, ta->pthread_threads_eventsp,
+ &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Or the new bits in. */
+ int i;
+ for (i = 0; i < TD_EVENTSIZE; ++i)
+ old_event.event_bits[i] |= event->event_bits[i];
+
+ /* Write the new value into the thread data structure. */
+ if (ps_pdwrite (ta->ph, ta->pthread_threads_eventsp,
+ &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ return TD_OK;
+}
--- /dev/null
+/* Set suggested concurrency level for process.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_ta_setconcurrency (const td_thragent_t *ta, int level)
+{
+ /* This is something LinuxThreads does not need to support. */
+ LOG ("td_ta_setconcurrency");
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ return TD_NOCAPAB;
+}
--- /dev/null
+/* Iterate over a process's threads.
+ Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+#include <nptl/descr.h>
+
+
+static td_err_e
+iterate_thread_list (const td_thragent_t *ta, td_thr_iter_f *callback,
+ void *cbdata_p, td_thr_state_e state, int ti_pri,
+ psaddr_t head)
+{
+ list_t list;
+ td_err_e result = TD_OK;
+
+ /* Test the state.
+ XXX This is incomplete. Normally this test should be in the loop. */
+ if (state != TD_THR_ANY_STATE)
+ return TD_OK;
+
+ if (ps_pdread (ta->ph, head, &list, sizeof (list_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ while (list.next != head)
+ {
+ psaddr_t addr = ((psaddr_t) list.next
+ - offsetof (struct pthread, header.data.list));
+
+ int schedpolicy;
+ if (ps_pdread (ta->ph, &((struct pthread *) addr)->schedpolicy,
+ &schedpolicy, sizeof (int)) != PS_OK)
+ {
+ result = TD_ERR; /* XXX Other error value? */
+ break;
+ }
+
+ struct sched_param schedparam;
+ if (ps_pdread (ta->ph, &((struct pthread *) addr)->schedparam,
+ &schedparam, sizeof (struct sched_param)) != PS_OK)
+ {
+ result = TD_ERR; /* XXX Other error value? */
+ break;
+ }
+
+ /* Now test whether this thread matches the specified
+ conditions. */
+
+ /* Only if the priority level is as high or higher. */
+ int descr_pri = (schedpolicy == SCHED_OTHER
+ ? 0 : schedparam.sched_priority);
+ if (descr_pri >= ti_pri)
+ {
+ /* XXX For now we ignore threads which are not running anymore.
+ The reason is that gdb tries to get the registers and fails.
+ In future we should have a special mode of the thread library
+ in which we keep the process around until the actual join
+ operation happened. */
+ int cancelhandling;
+ if (ps_pdread (ta->ph, &((struct pthread *) addr)->cancelhandling,
+ &cancelhandling, sizeof (int)) != PS_OK)
+ {
+ result = TD_ERR; /* XXX Other error value? */
+ break;
+ }
+
+ if ((cancelhandling & TERMINATED_BIT) == 0)
+ {
+ /* Yep, it matches. Call the callback function. */
+ td_thrhandle_t th;
+ th.th_ta_p = (td_thragent_t *) ta;
+ th.th_unique = addr;
+ if (callback (&th, cbdata_p) != 0)
+ return TD_DBERR;
+ }
+ }
+ }
+
+ return result;
+}
+
+
+td_err_e
+td_ta_thr_iter (const td_thragent_t *ta, td_thr_iter_f *callback,
+ void *cbdata_p, td_thr_state_e state, int ti_pri,
+ sigset_t *ti_sigmask_p, unsigned int ti_user_flags)
+{
+ LOG ("td_ta_thr_iter");
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ /* The thread library keeps two lists for the running threads. One
+ list contains the thread which are using user-provided stacks
+ (this includes the main thread) and the other includes the
+ threads for which the thread library allocated the stacks. We
+ have to iterate over both lists separately. We start with the
+ list of threads with user-defined stacks. */
+ td_err_e result = iterate_thread_list (ta, callback, cbdata_p, state, ti_pri,
+ ta->stack_user);
+
+ /* And the threads with stacks allocated by the implementation. */
+ if (result == TD_OK)
+ result = iterate_thread_list (ta, callback, cbdata_p, state, ti_pri,
+ ta->stack_used);
+
+ return result;
+}
--- /dev/null
+/* Iterate over a process's thread-specific data.
+ Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+#include <alloca.h>
+
+td_err_e
+td_ta_tsd_iter (const td_thragent_t *ta, td_key_iter_f *callback,
+ void *cbdata_p)
+{
+ LOG ("td_ta_tsd_iter");
+
+ /* Test whether the TA parameter is ok. */
+ if (! ta_ok (ta))
+ return TD_BADTA;
+
+ int pthread_keys_max = ta->pthread_keys_max;
+ struct pthread_key_struct *keys;
+ keys = (struct pthread_key_struct *) alloca (sizeof (keys[0])
+ * pthread_keys_max);
+
+ /* Read all the information about the keys. */
+ if (ps_pdread (ta->ph, ta->keys, keys,
+ sizeof (keys[0]) * pthread_keys_max) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Now get all descriptors, one after the other. */
+ int cnt;
+ for (cnt = 0; cnt < pthread_keys_max; ++cnt)
+ if (!KEY_UNUSED (keys[cnt].seq)
+ /* Return with an error if the callback returns a nonzero value. */
+ && callback (cnt, keys[cnt].destr, cbdata_p) != 0)
+ return TD_DBERR;
+
+ return TD_OK;
+}
--- /dev/null
+/* Disable specific event for thread.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 <stddef.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_clear_event (th, event)
+ const td_thrhandle_t *th;
+ td_thr_events_t *event;
+{
+ LOG ("td_thr_clear_event");
+
+ /* Write the new value into the thread data structure. */
+ td_thr_events_t old_event;
+ if (ps_pdread (th->th_ta_p->ph,
+ ((char *) th->th_unique
+ + offsetof (struct pthread, eventbuf.eventmask)),
+ &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Remove the set bits in. */
+ int i;
+ for (i = 0; i < TD_EVENTSIZE; ++i)
+ old_event.event_bits[i] &= ~event->event_bits[i];
+
+ /* Write the new value into the thread data structure. */
+ if (ps_pdwrite (th->th_ta_p->ph,
+ ((char *) th->th_unique
+ + offsetof (struct pthread, eventbuf.eventmask)),
+ &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ return TD_OK;
+}
--- /dev/null
+/* Resume execution of given thread.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_thr_dbresume (const td_thrhandle_t *th)
+{
+ /* XXX We have to figure out what has to be done. */
+ LOG ("td_thr_dbresume");
+ return TD_NOCAPAB;
+}
--- /dev/null
+/* Suspend execution of given thread.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_thr_dbsuspend (const td_thrhandle_t *th)
+{
+ /* XXX We have to figure out what has to be done. */
+ LOG ("td_thr_dbsuspend");
+ return TD_NOCAPAB;
+}
--- /dev/null
+/* Enable event process-wide.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 <stddef.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_event_enable (th, onoff)
+ const td_thrhandle_t *th;
+ int onoff;
+{
+ LOG ("td_thr_event_enable");
+
+ /* Write the new value into the thread data structure. */
+ if (ps_pdwrite (th->th_ta_p->ph,
+ ((char *) th->th_unique
+ + offsetof (struct pthread, report_events)),
+ &onoff, sizeof (int)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ return TD_OK;
+}
--- /dev/null
+/* Retrieve event.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 <stddef.h>
+#include <string.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_event_getmsg (const td_thrhandle_t *th, td_event_msg_t *msg)
+{
+ td_eventbuf_t event;
+
+ LOG ("td_thr_event_getmsg");
+
+ /* Read the even structure from the target. */
+ if (ps_pdread (th->th_ta_p->ph,
+ ((char *) th->th_unique
+ + offsetof (struct pthread, eventbuf)),
+ &event, sizeof (td_eventbuf_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Check whether an event occurred. */
+ if (event.eventnum == TD_EVENT_NONE)
+ /* Nothing. */
+ return TD_NOMSG;
+
+ /* Fill the user's data structure. */
+ msg->event = event.eventnum;
+ msg->th_p = th;
+ msg->msg.data = (uintptr_t) event.eventdata;
+
+ /* And clear the event message in the target. */
+ memset (&event, '\0', sizeof (td_eventbuf_t));
+ if (ps_pdwrite (th->th_ta_p->ph,
+ ((char *) th->th_unique
+ + offsetof (struct pthread, eventbuf)),
+ &event, sizeof (td_eventbuf_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ return TD_OK;
+}
--- /dev/null
+/* Get thread information.
+ Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 <stddef.h>
+#include <string.h>
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_get_info (const td_thrhandle_t *th, td_thrinfo_t *infop)
+{
+ LOG ("td_thr_get_info");
+
+ /* Get the thread descriptor. */
+ struct pthread pds;
+ if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
+ sizeof (struct pthread)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Fill in information. Clear first to provide reproducable
+ results for the fields we do not fill in. */
+ memset (infop, '\0', sizeof (td_thrinfo_t));
+
+ infop->ti_tid = pds.tid;
+ infop->ti_tls = (char *) pds.specific;
+ infop->ti_pri = (pds.schedpolicy == SCHED_OTHER
+ ? 0 : pds.schedparam.sched_priority);
+ infop->ti_type = TD_THR_USER;
+
+ if ((pds.cancelhandling & EXITING_BIT) == 0)
+ /* XXX For now there is no way to get more information. */
+ infop->ti_state = TD_THR_ACTIVE;
+ else if ((pds.cancelhandling & TERMINATED_BIT) == 0)
+ infop->ti_state = TD_THR_ZOMBIE;
+ else
+ infop->ti_state = TD_THR_UNKNOWN;
+
+ /* Initialization which are the same in both cases. */
+ infop->ti_lid = ps_getpid (th->th_ta_p->ph);
+ infop->ti_ta_p = th->th_ta_p;
+ infop->ti_startfunc = pds.start_routine;
+ memcpy (&infop->ti_events, &pds.eventbuf.eventmask,
+ sizeof (td_thr_events_t));
+ infop->ti_traceme = pds.report_events != false;
+
+ return TD_OK;
+}
--- /dev/null
+/* Get a thread's floating-point register set.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_thr_getfpregs (const td_thrhandle_t *th, prfpregset_t *regset)
+{
+ LOG ("td_thr_getfpregs");
+
+ /* We have to get the state and the PID for this thread. */
+ int cancelhandling;
+ if (ps_pdread (th->th_ta_p->ph,
+ &((struct pthread *) th->th_unique)->cancelhandling,
+ &cancelhandling, sizeof (int)) != PS_OK)
+ return TD_ERR;
+
+ /* If the thread already terminated we return all zeroes. */
+ if (cancelhandling & TERMINATED_BIT)
+ memset (regset, '\0', sizeof (*regset));
+ /* Otherwise get the register content through the callback. */
+ else
+ {
+ pid_t tid;
+
+ if (ps_pdread (th->th_ta_p->ph,
+ &((struct pthread *) th->th_unique)->tid,
+ &tid, sizeof (pid_t)) != PS_OK
+ || ps_lgetfpregs (th->th_ta_p->ph, tid, regset) != PS_OK)
+ return TD_ERR;
+ }
+
+ return TD_OK;
+}
--- /dev/null
+/* Get a thread's general register set.
+ Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_thr_getgregs (const td_thrhandle_t *th, prgregset_t gregs)
+{
+ LOG ("td_thr_getgregs");
+
+ /* We have to get the state and the PID for this thread. */
+ int cancelhandling;
+ if (ps_pdread (th->th_ta_p->ph,
+ &((struct pthread *) th->th_unique)->cancelhandling,
+ &cancelhandling, sizeof (int)) != PS_OK)
+ return TD_ERR;
+
+ /* If the thread already terminated we return all zeroes. */
+ if (cancelhandling & TERMINATED_BIT)
+ memset (gregs, '\0', sizeof (prgregset_t));
+ /* Otherwise get the register content through the callback. */
+ else
+ {
+ pid_t tid;
+
+ if (ps_pdread (th->th_ta_p->ph,
+ &((struct pthread *) th->th_unique)->tid,
+ &tid, sizeof (pid_t)) != PS_OK
+ || ps_lgetregs (th->th_ta_p->ph, tid, gregs) != PS_OK)
+ return TD_ERR;
+ }
+
+ return TD_OK;
+}
--- /dev/null
+/* Get a thread's extra state register set.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_thr_getxregs (const td_thrhandle_t *th, void *xregs)
+{
+ /* XXX This might be platform specific. */
+ LOG ("td_thr_getxregs");
+ return TD_NOXREGS;
+}
--- /dev/null
+/* Get the size of the extra state register set for this architecture.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_thr_getxregsize (const td_thrhandle_t *th, int *sizep)
+{
+ /* XXX This might be platform specific. */
+ LOG ("td_thr_getxregsize");
+ return TD_NOXREGS;
+}
--- /dev/null
+/* Enable specific event for thread.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 <stddef.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_set_event (th, event)
+ const td_thrhandle_t *th;
+ td_thr_events_t *event;
+{
+ LOG ("td_thr_set_event");
+
+ /* Write the new value into the thread data structure. */
+ td_thr_events_t old_event;
+ if (ps_pdread (th->th_ta_p->ph,
+ ((char *) th->th_unique
+ + offsetof (struct pthread, eventbuf.eventmask)),
+ &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Or the new bits in. */
+ int i;
+ for (i = 0; i < TD_EVENTSIZE; ++i)
+ old_event.event_bits[i] |= event->event_bits[i];
+
+ /* Write the new value into the thread data structure. */
+ if (ps_pdwrite (th->th_ta_p->ph,
+ ((char *) th->th_unique
+ + offsetof (struct pthread, eventbuf.eventmask)),
+ &old_event, sizeof (td_thrhandle_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ return TD_OK;
+}
--- /dev/null
+/* Set a thread's floating-point register set.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_thr_setfpregs (const td_thrhandle_t *th, const prfpregset_t *fpregs)
+{
+ LOG ("td_thr_setfpregs");
+
+ /* We have to get the state and the PID for this thread. */
+ int cancelhandling;
+ if (ps_pdread (th->th_ta_p->ph,
+ &((struct pthread *) th->th_unique)->cancelhandling,
+ &cancelhandling, sizeof (int)) != PS_OK)
+ return TD_ERR;
+
+ /* Only set the registers if the thread hasn't yet terminated. */
+ if ((cancelhandling & TERMINATED_BIT) == 0)
+ {
+ pid_t tid;
+
+ if (ps_pdread (th->th_ta_p->ph,
+ &((struct pthread *) th->th_unique)->tid,
+ &tid, sizeof (pid_t)) != PS_OK
+ || ps_lsetfpregs (th->th_ta_p->ph, tid, fpregs) != PS_OK)
+ return TD_ERR;
+ }
+
+ return TD_OK;
+}
--- /dev/null
+/* Set a thread's general register set.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_thr_setgregs (const td_thrhandle_t *th, prgregset_t gregs)
+{
+ LOG ("td_thr_setgregs");
+
+ /* We have to get the state and the PID for this thread. */
+ int cancelhandling;
+ if (ps_pdread (th->th_ta_p->ph,
+ &((struct pthread *) th->th_unique)->cancelhandling,
+ &cancelhandling, sizeof (int)) != PS_OK)
+ return TD_ERR;
+
+ /* Only set the registers if the thread hasn't yet terminated. */
+ if ((cancelhandling & TERMINATED_BIT) == 0)
+ {
+ pid_t tid;
+
+ if (ps_pdread (th->th_ta_p->ph,
+ &((struct pthread *) th->th_unique)->tid,
+ &tid, sizeof (pid_t)) != PS_OK
+ || ps_lsetregs (th->th_ta_p->ph, tid, gregs) != PS_OK)
+ return TD_ERR;
+ }
+
+ return TD_OK;
+}
--- /dev/null
+/* Set a thread's priority.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_thr_setprio (const td_thrhandle_t *th, int prio)
+{
+ /* XXX We have to figure out what has to be done. */
+ LOG ("td_thr_setprio");
+ return TD_OK;
+}
--- /dev/null
+/* Raise a signal for a thread.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_thr_setsigpending (const td_thrhandle_t *th, unsigned char n,
+ const sigset_t *ss)
+{
+ /* XXX We have to figure out what has to be done. */
+ LOG ("td_thr_setsigpending");
+ return TD_OK;
+}
--- /dev/null
+/* Set a thread's extra state register set.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_thr_setxregs (const td_thrhandle_t *ta, const void *addr)
+{
+ /* XXX This might have to be platform specific. */
+ LOG ("td_thr_setxregs");
+ return TD_NOXREGS;
+}
--- /dev/null
+/* Set a thread's signal mask.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_thr_sigsetmask (const td_thrhandle_t *th, const sigset_t *ss)
+{
+ /* XXX We have to figure out what has to be done. */
+ LOG ("td_thr_sigsetmask");
+ return TD_OK;
+}
--- /dev/null
+/* Get address of thread local variable.
+ Copyright (C) 2002 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 "link.h"
+#include "thread_dbP.h"
+
+/* Value used for dtv entries for which the allocation is delayed. */
+# define TLS_DTV_UNALLOCATED ((void *) -1l)
+
+
+td_err_e
+td_thr_tls_get_addr (const td_thrhandle_t *th __attribute__ ((unused)),
+ void *map_address __attribute__ ((unused)),
+ size_t offset __attribute__ ((unused)),
+ void **address __attribute__ ((unused)))
+{
+#if USE_TLS
+ size_t modid;
+ union dtv pdtv, *dtvp;
+
+ LOG ("td_thr_tls_get_addr");
+
+ /* Get the DTV pointer from the thread descriptor. */
+ if (ps_pdread (th->th_ta_p->ph,
+ &((struct pthread *) th->th_unique)->header.data.dtvp,
+ &dtvp, sizeof dtvp) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Read the module ID from the link_map. */
+ if (ps_pdread (th->th_ta_p->ph,
+ &((struct link_map *) map_address)->l_tls_modid,
+ &modid, sizeof modid) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Get the corresponding entry in the DTV. */
+ if (ps_pdread (th->th_ta_p->ph, dtvp + modid,
+ &pdtv, sizeof (union dtv)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* It could be that the memory for this module is not allocated for
+ the given thread. */
+ if (pdtv.pointer == TLS_DTV_UNALLOCATED)
+ /* There is not much we can do. */
+ return TD_NOTALLOC;
+
+ *address = (char *) pdtv.pointer + offset;
+
+ return TD_OK;
+#else
+ return TD_ERR;
+#endif
+}
--- /dev/null
+/* Get a thread-specific data pointer for a thread.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+td_err_e
+td_thr_tsd (const td_thrhandle_t *th, const thread_key_t tk, void **data)
+{
+ LOG ("td_thr_tsd");
+
+ /* Check correct value of key. */
+ if (tk >= th->th_ta_p->pthread_keys_max)
+ return TD_BADKEY;
+
+ /* Get the key entry. */
+ uintptr_t seq;
+ if (ps_pdread (th->th_ta_p->ph, &th->th_ta_p->keys[tk].seq, &seq,
+ sizeof (uintptr_t)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Fail if this key is not at all used. */
+ if (KEY_UNUSED (seq))
+ return TD_BADKEY;
+
+ /* Compute the indeces. */
+ int pthread_key_2ndlevel_size = th->th_ta_p->pthread_key_2ndlevel_size;
+ unsigned int idx1st = tk / pthread_key_2ndlevel_size;
+ unsigned int idx2nd = tk % pthread_key_2ndlevel_size;
+
+ struct pthread_key_data *level1;
+ if (ps_pdread (th->th_ta_p->ph,
+ &((struct pthread *) th->th_unique)->specific[idx1st],
+ &level1, sizeof (level1)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Check the pointer to the second level array. */
+ if (level1 == NULL)
+ return TD_NOTSD;
+
+ struct pthread_key_data level2;
+ if (ps_pdread (th->th_ta_p->ph, &level1[idx2nd], &level2,
+ sizeof (level2)) != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ /* Check whether the data is valid. */
+ if (level2.seq != seq)
+ return TD_NOTSD;
+
+ if (level2.data != NULL)
+ *data = level2.data;
+
+ return TD_OK;
+}
--- /dev/null
+/* Validate a thread handle.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
+
+ 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 "thread_dbP.h"
+
+
+static td_err_e
+check_thread_list (const td_thrhandle_t *th, psaddr_t head)
+{
+ list_t list;
+ td_err_e result = TD_NOTHR;
+
+ if (ps_pdread (th->th_ta_p->ph, head, &list.next, sizeof (list.next))
+ != PS_OK)
+ return TD_ERR; /* XXX Other error value? */
+
+ while (list.next != head)
+ if ((psaddr_t) list.next - offsetof (struct pthread, header.data.list)
+ == th->th_unique)
+ {
+ result = TD_OK;
+ break;
+ }
+ else if (ps_pdread (th->th_ta_p->ph, list.next, &list.next,
+ sizeof (list.next)) != PS_OK)
+ {
+ result = TD_ERR; /* XXX Other error value? */
+ break;
+ }
+
+ return result;
+}
+
+
+td_err_e
+td_thr_validate (const td_thrhandle_t *th)
+{
+ LOG ("td_thr_validate");
+
+ /* First check the list with threads using user allocated stacks. */
+ td_err_e result = check_thread_list (th, th->th_ta_p->stack_user);
+
+ /* If our thread is not on this list search the list with stack
+ using implementation allocated stacks. */
+ if (result == TD_NOTHR)
+ result = check_thread_list (th, th->th_ta_p->stack_used);
+
+ return result;
+}
--- /dev/null
+/* Copyright (C) 1999, 2001, 2002 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. */
+
+#ifndef _THREAD_DB_H
+#define _THREAD_DB_H 1
+
+/* This is the debugger interface for the NPTL library. It is
+ modelled closely after the interface with same names in Solaris
+ with the goal to share the same code in the debugger. */
+#include <pthread.h>
+#include <stdint.h>
+#include <sys/types.h>
+#include <sys/procfs.h>
+
+
+/* Error codes of the library. */
+typedef enum
+{
+ TD_OK, /* No error. */
+ TD_ERR, /* No further specified error. */
+ TD_NOTHR, /* No matching thread found. */
+ TD_NOSV, /* No matching synchronization handle found. */
+ TD_NOLWP, /* No matching light-weighted process found. */
+ TD_BADPH, /* Invalid process handle. */
+ TD_BADTH, /* Invalid thread handle. */
+ TD_BADSH, /* Invalid synchronization handle. */
+ TD_BADTA, /* Invalid thread agent. */
+ TD_BADKEY, /* Invalid key. */
+ TD_NOMSG, /* No event available. */
+ TD_NOFPREGS, /* No floating-point register content available. */
+ TD_NOLIBTHREAD, /* Application not linked with thread library. */
+ TD_NOEVENT, /* Requested event is not supported. */
+ TD_NOCAPAB, /* Capability not available. */
+ TD_DBERR, /* Internal debug library error. */
+ TD_NOAPLIC, /* Operation is not applicable. */
+ TD_NOTSD, /* No thread-specific data available. */
+ TD_MALLOC, /* Out of memory. */
+ TD_PARTIALREG, /* Not entire register set was read or written. */
+ TD_NOXREGS, /* X register set not available for given thread. */
+ TD_NOTALLOC, /* TLS memory not yet allocated. */
+ TD_VERSION /* Version if libpthread and libthread_db do not match. */
+} td_err_e;
+
+
+/* Possible thread states. TD_THR_ANY_STATE is a pseudo-state used to
+ select threads regardless of state in td_ta_thr_iter(). */
+typedef enum
+{
+ TD_THR_ANY_STATE,
+ TD_THR_UNKNOWN,
+ TD_THR_STOPPED,
+ TD_THR_RUN,
+ TD_THR_ACTIVE,
+ TD_THR_ZOMBIE,
+ TD_THR_SLEEP,
+ TD_THR_STOPPED_ASLEEP
+} td_thr_state_e;
+
+/* Thread type: user or system. TD_THR_ANY_TYPE is a pseudo-type used
+ to select threads regardless of type in td_ta_thr_iter(). */
+typedef enum
+{
+ TD_THR_ANY_TYPE,
+ TD_THR_USER,
+ TD_THR_SYSTEM
+} td_thr_type_e;
+
+
+/* Types of the debugging library. */
+
+/* Handle for a process. This type is opaque. */
+typedef struct td_thragent td_thragent_t;
+
+/* The actual thread handle type. This is also opaque. */
+typedef struct td_thrhandle
+{
+ td_thragent_t *th_ta_p;
+ psaddr_t th_unique;
+} td_thrhandle_t;
+
+
+/* Forward declaration of a type defined by and for the dynamic linker. */
+struct link_map;
+
+
+/* Flags for `td_ta_thr_iter'. */
+#define TD_THR_ANY_USER_FLAGS 0xffffffff
+#define TD_THR_LOWEST_PRIORITY -20
+#define TD_SIGNO_MASK NULL
+
+
+#define TD_EVENTSIZE 2
+#define BT_UISHIFT 5 /* log base 2 of BT_NBIPUI, to extract word index */
+#define BT_NBIPUI (1 << BT_UISHIFT) /* n bits per uint */
+#define BT_UIMASK (BT_NBIPUI - 1) /* to extract bit index */
+
+/* Bitmask of enabled events. */
+typedef struct td_thr_events
+{
+ uint32_t event_bits[TD_EVENTSIZE];
+} td_thr_events_t;
+
+/* Event set manipulation macros. */
+#define __td_eventmask(n) \
+ (UINT32_C (1) << (((n) - 1) & BT_UIMASK))
+#define __td_eventword(n) \
+ ((UINT32_C ((n) - 1)) >> BT_UISHIFT)
+
+#define td_event_emptyset(setp) \
+ do { \
+ int __i; \
+ for (__i = TD_EVENTSIZE; __i > 0; --__i) \
+ (setp)->event_bits[__i - 1] = 0; \
+ } while (0)
+
+#define td_event_fillset(setp) \
+ do { \
+ int __i; \
+ for (__i = TD_EVENTSIZE; __i > 0; --__i) \
+ (setp)->event_bits[__i - 1] = UINT32_C (0xffffffff); \
+ } while (0)
+
+#define td_event_addset(setp, n) \
+ (((setp)->event_bits[__td_eventword (n)]) |= __td_eventmask (n))
+#define td_event_delset(setp, n) \
+ (((setp)->event_bits[__td_eventword (n)]) &= ~__td_eventmask (n))
+#define td_eventismember(setp, n) \
+ (__td_eventmask (n) & ((setp)->event_bits[__td_eventword (n)]))
+#if TD_EVENTSIZE == 2
+# define td_eventisempty(setp) \
+ (!((setp)->event_bits[0]) && !((setp)->event_bits[1]))
+#else
+# error "td_eventisempty must be changed to match TD_EVENTSIZE"
+#endif
+
+/* Events reportable by the thread implementation. */
+typedef enum
+{
+ TD_ALL_EVENTS, /* Pseudo-event number. */
+ TD_EVENT_NONE = TD_ALL_EVENTS, /* Depends on context. */
+ TD_READY, /* Is executable now. */
+ TD_SLEEP, /* Blocked in a synchronization obj. */
+ TD_SWITCHTO, /* Now assigned to a process. */
+ TD_SWITCHFROM, /* Not anymore assigned to a process. */
+ TD_LOCK_TRY, /* Trying to get an unavailable lock. */
+ TD_CATCHSIG, /* Signal posted to the thread. */
+ TD_IDLE, /* Process getting idle. */
+ TD_CREATE, /* New thread created. */
+ TD_DEATH, /* Thread terminated. */
+ TD_PREEMPT, /* Preempted. */
+ TD_PRI_INHERIT, /* Inherited elevated priority. */
+ TD_REAP, /* Reaped. */
+ TD_CONCURRENCY, /* Number of processes changing. */
+ TD_TIMEOUT, /* Conditional variable wait timed out. */
+ TD_MIN_EVENT_NUM = TD_READY,
+ TD_MAX_EVENT_NUM = TD_TIMEOUT,
+ TD_EVENTS_ENABLE = 31 /* Event reporting enabled. */
+} td_event_e;
+
+/* Values representing the different ways events are reported. */
+typedef enum
+{
+ NOTIFY_BPT, /* User must insert breakpoint at u.bptaddr. */
+ NOTIFY_AUTOBPT, /* Breakpoint at u.bptaddr is automatically
+ inserted. */
+ NOTIFY_SYSCALL /* System call u.syscallno will be invoked. */
+} td_notify_e;
+
+/* Description how event type is reported. */
+typedef struct td_notify
+{
+ td_notify_e type; /* Way the event is reported. */
+ union
+ {
+ psaddr_t bptaddr; /* Address of breakpoint. */
+ int syscallno; /* Number of system call used. */
+ } u;
+} td_notify_t;
+
+/* Structure used to report event. */
+typedef struct td_event_msg
+{
+ td_event_e event; /* Event type being reported. */
+ const td_thrhandle_t *th_p; /* Thread reporting the event. */
+ union
+ {
+# if 0
+ td_synchandle_t *sh; /* Handle of synchronization object. */
+#endif
+ uintptr_t data; /* Event specific data. */
+ } msg;
+} td_event_msg_t;
+
+/* Structure containing event data available in each thread structure. */
+typedef struct
+{
+ td_thr_events_t eventmask; /* Mask of enabled events. */
+ td_event_e eventnum; /* Number of last event. */
+ void *eventdata; /* Data associated with event. */
+} td_eventbuf_t;
+
+
+/* Gathered statistics about the process. */
+typedef struct td_ta_stats
+{
+ int nthreads; /* Total number of threads in use. */
+ int r_concurrency; /* Concurrency level requested by user. */
+ int nrunnable_num; /* Average runnable threads, numerator. */
+ int nrunnable_den; /* Average runnable threads, denominator. */
+ int a_concurrency_num; /* Achieved concurrency level, numerator. */
+ int a_concurrency_den; /* Achieved concurrency level, denominator. */
+ int nlwps_num; /* Average number of processes in use,
+ numerator. */
+ int nlwps_den; /* Average number of processes in use,
+ denominator. */
+ int nidle_num; /* Average number of idling processes,
+ numerator. */
+ int nidle_den; /* Average number of idling processes,
+ denominator. */
+} td_ta_stats_t;
+
+
+/* Since Sun's library is based on Solaris threads we have to define a few
+ types to map them to POSIX threads. */
+typedef pthread_t thread_t;
+typedef pthread_key_t thread_key_t;
+
+
+/* Callback for iteration over threads. */
+typedef int td_thr_iter_f (const td_thrhandle_t *, void *);
+
+/* Callback for iteration over thread local data. */
+typedef int td_key_iter_f (thread_key_t, void (*) (void *), void *);
+
+
+
+/* Forward declaration. This has to be defined by the user. */
+struct ps_prochandle;
+
+
+/* Information about the thread. */
+typedef struct td_thrinfo
+{
+ td_thragent_t *ti_ta_p; /* Process handle. */
+ unsigned int ti_user_flags; /* Unused. */
+ thread_t ti_tid; /* Thread ID returned by
+ pthread_create(). */
+ char *ti_tls; /* Pointer to thread-local data. */
+ psaddr_t ti_startfunc; /* Start function passed to
+ pthread_create(). */
+ psaddr_t ti_stkbase; /* Base of thread's stack. */
+ long int ti_stksize; /* Size of thread's stack. */
+ psaddr_t ti_ro_area; /* Unused. */
+ int ti_ro_size; /* Unused. */
+ td_thr_state_e ti_state; /* Thread state. */
+ unsigned char ti_db_suspended; /* Nonzero if suspended by debugger. */
+ td_thr_type_e ti_type; /* Type of the thread (system vs
+ user thread). */
+ intptr_t ti_pc; /* Unused. */
+ intptr_t ti_sp; /* Unused. */
+ short int ti_flags; /* Unused. */
+ int ti_pri; /* Thread priority. */
+ lwpid_t ti_lid; /* Unused. */
+ sigset_t ti_sigmask; /* Signal mask. */
+ unsigned char ti_traceme; /* Nonzero if event reporting
+ enabled. */
+ unsigned char ti_preemptflag; /* Unused. */
+ unsigned char ti_pirecflag; /* Unused. */
+ sigset_t ti_pending; /* Set of pending signals. */
+ td_thr_events_t ti_events; /* Set of enabled events. */
+} td_thrinfo_t;
+
+
+
+/* Prototypes for exported library functions. */
+
+/* Initialize the thread debug support library. */
+extern td_err_e td_init (void);
+
+/* Historical relict. Should not be used anymore. */
+extern td_err_e td_log (void);
+
+/* Return list of symbols the library can request. */
+extern const char **td_symbol_list (void);
+
+/* Generate new thread debug library handle for process PS. */
+extern td_err_e td_ta_new (struct ps_prochandle *__ps, td_thragent_t **__ta);
+
+/* Free resources allocated for TA. */
+extern td_err_e td_ta_delete (td_thragent_t *__ta);
+
+/* Get number of currently running threads in process associated with TA. */
+extern td_err_e td_ta_get_nthreads (const td_thragent_t *__ta, int *__np);
+
+/* Return process handle passed in `td_ta_new' for process associated with
+ TA. */
+extern td_err_e td_ta_get_ph (const td_thragent_t *__ta,
+ struct ps_prochandle **__ph);
+
+/* Map thread library handle PT to thread debug library handle for process
+ associated with TA and store result in *TH. */
+extern td_err_e td_ta_map_id2thr (const td_thragent_t *__ta, pthread_t __pt,
+ td_thrhandle_t *__th);
+
+/* Map process ID LWPID to thread debug library handle for process
+ associated with TA and store result in *TH. */
+extern td_err_e td_ta_map_lwp2thr (const td_thragent_t *__ta, lwpid_t __lwpid,
+ td_thrhandle_t *__th);
+
+
+/* Call for each thread in a process associated with TA the callback function
+ CALLBACK. */
+extern td_err_e td_ta_thr_iter (const td_thragent_t *__ta,
+ td_thr_iter_f *__callback, void *__cbdata_p,
+ td_thr_state_e __state, int __ti_pri,
+ sigset_t *__ti_sigmask_p,
+ unsigned int __ti_user_flags);
+
+/* Call for each defined thread local data entry the callback function KI. */
+extern td_err_e td_ta_tsd_iter (const td_thragent_t *__ta, td_key_iter_f *__ki,
+ void *__p);
+
+
+/* Get event address for EVENT. */
+extern td_err_e td_ta_event_addr (const td_thragent_t *__ta,
+ td_event_e __event, td_notify_t *__ptr);
+
+/* Enable EVENT in global mask. */
+extern td_err_e td_ta_set_event (const td_thragent_t *__ta,
+ td_thr_events_t *__event);
+
+/* Disable EVENT in global mask. */
+extern td_err_e td_ta_clear_event (const td_thragent_t *__ta,
+ td_thr_events_t *__event);
+
+/* Return information about last event. */
+extern td_err_e td_ta_event_getmsg (const td_thragent_t *__ta,
+ td_event_msg_t *__msg);
+
+
+/* Set suggested concurrency level for process associated with TA. */
+extern td_err_e td_ta_setconcurrency (const td_thragent_t *__ta, int __level);
+
+
+/* Enable collecting statistics for process associated with TA. */
+extern td_err_e td_ta_enable_stats (const td_thragent_t *__ta, int __enable);
+
+/* Reset statistics. */
+extern td_err_e td_ta_reset_stats (const td_thragent_t *__ta);
+
+/* Retrieve statistics from process associated with TA. */
+extern td_err_e td_ta_get_stats (const td_thragent_t *__ta,
+ td_ta_stats_t *__statsp);
+
+
+/* Validate that TH is a thread handle. */
+extern td_err_e td_thr_validate (const td_thrhandle_t *__th);
+
+/* Return information about thread TH. */
+extern td_err_e td_thr_get_info (const td_thrhandle_t *__th,
+ td_thrinfo_t *__infop);
+
+/* Retrieve floating-point register contents of process running thread TH. */
+extern td_err_e td_thr_getfpregs (const td_thrhandle_t *__th,
+ prfpregset_t *__regset);
+
+/* Retrieve general register contents of process running thread TH. */
+extern td_err_e td_thr_getgregs (const td_thrhandle_t *__th,
+ prgregset_t __gregs);
+
+/* Retrieve extended register contents of process running thread TH. */
+extern td_err_e td_thr_getxregs (const td_thrhandle_t *__th, void *__xregs);
+
+/* Get size of extended register set of process running thread TH. */
+extern td_err_e td_thr_getxregsize (const td_thrhandle_t *__th, int *__sizep);
+
+/* Set floating-point register contents of process running thread TH. */
+extern td_err_e td_thr_setfpregs (const td_thrhandle_t *__th,
+ const prfpregset_t *__fpregs);
+
+/* Set general register contents of process running thread TH. */
+extern td_err_e td_thr_setgregs (const td_thrhandle_t *__th,
+ prgregset_t __gregs);
+
+/* Set extended register contents of process running thread TH. */
+extern td_err_e td_thr_setxregs (const td_thrhandle_t *__th,
+ const void *__addr);
+
+
+/* Get address of thread local variable. */
+extern td_err_e td_thr_tls_get_addr (const td_thrhandle_t *__th,
+ void *__map_address, size_t __offset,
+ void **__address);
+
+
+/* Enable reporting for EVENT for thread TH. */
+extern td_err_e td_thr_event_enable (const td_thrhandle_t *__th, int __event);
+
+/* Enable EVENT for thread TH. */
+extern td_err_e td_thr_set_event (const td_thrhandle_t *__th,
+ td_thr_events_t *__event);
+
+/* Disable EVENT for thread TH. */
+extern td_err_e td_thr_clear_event (const td_thrhandle_t *__th,
+ td_thr_events_t *__event);
+
+/* Get event message for thread TH. */
+extern td_err_e td_thr_event_getmsg (const td_thrhandle_t *__th,
+ td_event_msg_t *__msg);
+
+
+/* Set priority of thread TH. */
+extern td_err_e td_thr_setprio (const td_thrhandle_t *__th, int __prio);
+
+
+/* Set pending signals for thread TH. */
+extern td_err_e td_thr_setsigpending (const td_thrhandle_t *__th,
+ unsigned char __n, const sigset_t *__ss);
+
+/* Set signal mask for thread TH. */
+extern td_err_e td_thr_sigsetmask (const td_thrhandle_t *__th,
+ const sigset_t *__ss);
+
+
+/* Return thread local data associated with key TK in thread TH. */
+extern td_err_e td_thr_tsd (const td_thrhandle_t *__th,
+ const thread_key_t __tk, void **__data);
+
+
+/* Suspend execution of thread TH. */
+extern td_err_e td_thr_dbsuspend (const td_thrhandle_t *__th);
+
+/* Resume execution of thread TH. */
+extern td_err_e td_thr_dbresume (const td_thrhandle_t *__th);
+
+#endif /* thread_db.h */
--- /dev/null
+/* Private header for thread debug library. */
+#ifndef _THREAD_DBP_H
+#define _THREAD_DBP_H 1
+
+#include <stdbool.h>
+#include <string.h>
+#include <unistd.h>
+#include "proc_service.h"
+#include "thread_db.h"
+#include "../nptl/pthreadP.h"
+#include <list.h>
+
+
+/* Indeces for the symbol names. */
+enum
+ {
+ SYM_PTHREAD_THREADS_EVENTS = 0,
+ SYM_PTHREAD_LAST_EVENT,
+ SYM_PTHREAD_NTHREADS,
+ SYM_PTHREAD_STACK_USED,
+ SYM_PTHREAD_STACK_USER,
+ SYM_PTHREAD_KEYS,
+ SYM_PTHREAD_KEYS_MAX,
+ SYM_PTHREAD_SIZEOF_DESCR,
+ SYM_PTHREAD_CREATE_EVENT,
+ SYM_PTHREAD_DEATH_EVENT,
+ SYM_PTHREAD_VERSION,
+ SYM_NUM_MESSAGES
+ };
+
+
+/* Comment out the following for less verbose output. */
+#ifndef NDEBUG
+# define LOG(c) if (__td_debug) __libc_write (2, c "\n", strlen (c "\n"))
+extern int __td_debug;
+#else
+# define LOG(c)
+#endif
+
+
+/* Handle for a process. This type is opaque. */
+struct td_thragent
+{
+ /* Delivered by the debugger and we have to pass it back in the
+ proc callbacks. */
+ struct ps_prochandle *ph;
+
+ /* Some cached information. */
+
+ /* Lists of running threads. */
+ psaddr_t stack_used;
+ psaddr_t stack_user;
+
+ /* Address of the `pthread_keys' array. */
+ struct pthread_key_struct *keys;
+
+ /* Maximum number of thread-local data keys. */
+ int pthread_keys_max;
+
+ /* Size of 2nd level array for thread-local data keys. */
+ int pthread_key_2ndlevel_size;
+
+ /* Sizeof struct _pthread_descr_struct. */
+ int sizeof_descr;
+
+ /* Pointer to the `__pthread_threads_events' variable in the target. */
+ psaddr_t pthread_threads_eventsp;
+
+ /* Pointer to the `__pthread_last_event' variable in the target. */
+ psaddr_t pthread_last_event;
+
+ /* List head the queue agent structures. */
+ list_t list;
+};
+
+
+/* List of all known descriptors. */
+extern list_t __td_agent_list;
+
+
+/* Function used to test for correct thread agent pointer. */
+static inline bool
+ta_ok (const td_thragent_t *ta)
+{
+ list_t *runp;
+
+ list_for_each (runp, &__td_agent_list)
+ if (list_entry (runp, td_thragent_t, list) == ta)
+ return true;
+
+ return false;
+}
+
+
+/* Internal wrapper around ps_pglobal_lookup. */
+extern int td_lookup (struct ps_prochandle *ps, int idx, psaddr_t *sym_addr);
+
+#endif /* thread_dbP.h */
projects / kopensolaris-gnu / glibc.git / commitdiff