diff options
Diffstat (limited to 'libpthread/nptl/sysdeps/unix/sysv/linux/sparc')
30 files changed, 1473 insertions, 0 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/Makefile b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/Makefile new file mode 100644 index 000000000..43a6fad84 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/Makefile @@ -0,0 +1,13 @@ +# Makefile for uClibc NPTL +# +# Copyright (C) 2005 Steven J. Hill <sjhill@uclibc.org> +# +# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. +# + +top_srcdir=../../../../../../../ +top_builddir=../../../../../../../ +all: objs +include $(top_builddir)Rules.mak +include Makefile.arch +include $(top_srcdir)Makerules diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/Makefile.arch b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/Makefile.arch new file mode 100644 index 000000000..b54731075 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/Makefile.arch @@ -0,0 +1,66 @@ +# Makefile for uClibc NPTL +# +# Copyright (C) 2006 Steven J. Hill <sjhill@uclibc.org> +# +# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. +# + +libpthread_SSRC = pt-vfork.S clone.S +libpthread_CSRC = pthread_once.c lowlevellock.c + +libc_a_CSRC = fork.c libc-lowlevellock.c +libc_a_SSRC = clone.S vfork.S + +CFLAGS-OMIT-fork.c = -DNOT_IN_libc=1 -DIS_IN_libpthread=1 +CFLAGS-OMIT-libc-lowlevellock.c = -DNOT_IN_libc=1 -DIS_IN_libpthread=1 + +ifeq ($(UCLIBC_HAS_STDIO_FUTEXES),y) +CFLAGS-fork.c = -D__USE_STDIO_FUTEXES__ +endif + +ASFLAGS-pt-vfork.S = -DNOT_IN_libc=1 -DIS_IN_libpthread=1 -D_LIBC_REENTRANT -DUSE___THREAD + +CFLAGS-pthread_once.c = -DNOT_IN_libc=1 -DIS_IN_libpthread=1 +CFLAGS-lowlevellock.c = -DNOT_IN_libc=1 -DIS_IN_libpthread=1 + + +ASFLAGS-clone.S = -D_LIBC_REENTRANT +ASFLAGS-vfork.S = -D_LIBC_REENTRANT + +ifeq ($(UCLIBC_HAS_THREADS_NATIVE),y) +#Needed to use the correct SYSCALL_ERROR_HANDLER +ASFLAGS-clone.S += -DUSE___THREAD +ASFLAGS-vfork.S += -DUSE___THREAD +ASFLAGS-pt-vfork.S += -DUSE___THREAD +endif + +CFLAGS += $(SSP_ALL_CFLAGS) +#CFLAGS:=$(CFLAGS:-O1=-O2) + +LINUX_ARCH_DIR:=$(top_srcdir)libpthread/nptl/sysdeps/unix/sysv/linux/sparc +LINUX_ARCH_OUT:=$(top_builddir)libpthread/nptl/sysdeps/unix/sysv/linux/sparc + +LINUX_ARCH_OBJ:=$(patsubst %.S,$(LINUX_ARCH_OUT)/%.o,$(libpthread_SSRC)) +LINUX_ARCH_OBJ+=$(patsubst %.c,$(LINUX_ARCH_OUT)/%.o,$(libpthread_CSRC)) + +ifeq ($(DOPIC),y) +libpthread-a-y += $(LINUX_ARCH_OBJ:.o=.os) +else +libpthread-a-y += $(LINUX_ARCH_OBJ) +endif +libpthread-so-y += $(LINUX_ARCH_OBJ:.o=.oS) + +libpthread-nomulti-y+=$(LINUX_ARCH_OBJS) + +LIBC_LINUX_ARCH_OBJ:=$(patsubst %.c,$(LINUX_ARCH_OUT)/%.o,$(libc_a_CSRC)) +LIBC_LINUX_ARCH_OBJ+=$(patsubst %.S,$(LINUX_ARCH_OUT)/%.o,$(libc_a_SSRC)) + +libc-static-y+=$(LIBC_LINUX_ARCH_OBJ) +libc-shared-y+=$(LIBC_LINUX_ARCH_OBJ:.o=.oS) + +libc-nomulti-y+=$(LIBC_LINUX_ARCH_OBJ) + +objclean-y+=nptl_linux_arch_clean + +nptl_linux_arch_clean: + $(do_rm) $(addprefix $(LINUX_ARCH_OUT)/*., o os oS) diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/Versions b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/Versions new file mode 100644 index 000000000..d10277248 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/Versions @@ -0,0 +1,6 @@ +libpthread { + GLIBC_2.3.3 { + # Changed PTHREAD_STACK_MIN. + pthread_attr_setstack; pthread_attr_setstacksize; + } +} diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/bits/local_lim.h b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/bits/local_lim.h new file mode 100644 index 000000000..e082ea8f0 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/bits/local_lim.h @@ -0,0 +1,89 @@ +/* Minimum guaranteed maximum values for system limits. Linux/SPARC version. + Copyright (C) 1993-1998,2000,2002,2003,2004 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 +/* We have no predefined limit on the number of threads. */ +#undef PTHREAD_THREADS_MAX + +/* 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 24576 + +/* Maximum number of timer expiration overruns. */ +#define DELAYTIMER_MAX 2147483647 + +/* Maximum tty name length. */ +#define TTY_NAME_MAX 32 + +/* Maximum login name length. This is arbitrary. */ +#define LOGIN_NAME_MAX 256 + +/* Maximum host name length. */ +#define HOST_NAME_MAX 64 + +/* Maximum message queue priority level. */ +#define MQ_PRIO_MAX 32768 diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/bits/pthreadtypes.h b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/bits/pthreadtypes.h new file mode 100644 index 000000000..459d1ca79 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/bits/pthreadtypes.h @@ -0,0 +1,218 @@ +/* Machine-specific pthread type layouts. SPARC version. + Copyright (C) 2003, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, 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 + +#include <bits/wordsize.h> + +#if __WORDSIZE == 64 +# define __SIZEOF_PTHREAD_ATTR_T 56 +# define __SIZEOF_PTHREAD_MUTEX_T 40 +# define __SIZEOF_PTHREAD_MUTEXATTR_T 4 +# define __SIZEOF_PTHREAD_COND_T 48 +# define __SIZEOF_PTHREAD_CONDATTR_T 4 +# define __SIZEOF_PTHREAD_RWLOCK_T 56 +# define __SIZEOF_PTHREAD_RWLOCKATTR_T 8 +# define __SIZEOF_PTHREAD_BARRIER_T 32 +# define __SIZEOF_PTHREAD_BARRIERATTR_T 4 +#else +# define __SIZEOF_PTHREAD_ATTR_T 36 +# define __SIZEOF_PTHREAD_MUTEX_T 24 +# define __SIZEOF_PTHREAD_MUTEXATTR_T 4 +# define __SIZEOF_PTHREAD_COND_T 48 +# 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 +#endif + + +/* Thread identifiers. The structure of the attribute type is + deliberately not exposed. */ +typedef unsigned long int pthread_t; + + +typedef union +{ + char __size[__SIZEOF_PTHREAD_ATTR_T]; + long int __align; +} pthread_attr_t; + + +#if __WORDSIZE == 64 +typedef struct __pthread_internal_list +{ + struct __pthread_internal_list *__prev; + struct __pthread_internal_list *__next; +} __pthread_list_t; +#else +typedef struct __pthread_internal_slist +{ + struct __pthread_internal_slist *__next; +} __pthread_slist_t; +#endif + + +/* Data structures for mutex handling. The structure of the attribute + type is deliberately not exposed. */ +typedef union +{ + struct __pthread_mutex_s + { + int __lock; + unsigned int __count; + int __owner; +#if __WORDSIZE == 64 + unsigned int __nusers; +#endif + /* KIND must stay at this position in the structure to maintain + binary compatibility. */ + int __kind; +#if __WORDSIZE == 64 + int __spins; + __pthread_list_t __list; +# define __PTHREAD_MUTEX_HAVE_PREV 1 +#else + unsigned int __nusers; + __extension__ union + { + int __spins; + __pthread_slist_t __list; + }; +#endif + } __data; + char __size[__SIZEOF_PTHREAD_MUTEX_T]; + long int __align; +} pthread_mutex_t; + +typedef union +{ + char __size[__SIZEOF_PTHREAD_MUTEXATTR_T]; + int __align; +} pthread_mutexattr_t; + + +/* Data structure for conditional variable handling. The structure of + the attribute type is deliberately not exposed. */ +typedef union +{ + struct + { + int __lock; + unsigned int __futex; + __extension__ unsigned long long int __total_seq; + __extension__ unsigned long long int __wakeup_seq; + __extension__ unsigned long long int __woken_seq; + void *__mutex; + unsigned int __nwaiters; + unsigned int __broadcast_seq; + } __data; + char __size[__SIZEOF_PTHREAD_COND_T]; + __extension__ long long int __align; +} pthread_cond_t; + +typedef union +{ + char __size[__SIZEOF_PTHREAD_CONDATTR_T]; + int __align; +} pthread_condattr_t; + + +/* Keys for thread-specific data */ +typedef unsigned int pthread_key_t; + + +/* Once-only execution */ +typedef int pthread_once_t; + + +#if defined __USE_UNIX98 || defined __USE_XOPEN2K +/* Data structure for read-write lock variable handling. The + structure of the attribute type is deliberately not exposed. */ +typedef union +{ +# if __WORDSIZE == 64 + 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; + int __writer; + int __pad1; + unsigned long int __pad2; + unsigned long int __pad3; + /* FLAGS must stay at this position in the structure to maintain + binary compatibility. */ + unsigned int __flags; + } __data; +# else + 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; + int __writer; + } __data; +# endif + 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 */ diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/bits/semaphore.h b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/bits/semaphore.h new file mode 100644 index 000000000..7f3a32832 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/bits/semaphore.h @@ -0,0 +1,44 @@ +/* Machine-specific POSIX semaphore type layouts. SPARC version. + Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, 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 + +#include <bits/wordsize.h> + +#if __WORDSIZE == 64 +# define __SIZEOF_SEM_T 32 +#else +# define __SIZEOF_SEM_T 16 +#endif + +/* Value returned if `sem_open' failed. */ +#define SEM_FAILED ((sem_t *) 0) + +/* Maximum value the semaphore can have. */ +#define SEM_VALUE_MAX (2147483647) + + +typedef union +{ + char __size[__SIZEOF_SEM_T]; + long int __align; +} sem_t; diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/clone.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/clone.S new file mode 100644 index 000000000..dfc5e8261 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/clone.S @@ -0,0 +1,5 @@ +#if defined(__arch64__) +#include "./sparc64/clone.S" +#else +#include "./sparc32/clone.S" +#endif diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/fork.c b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/fork.c new file mode 100644 index 000000000..1cd79110a --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/fork.c @@ -0,0 +1,29 @@ +/* Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, 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_CLONE_SYSCALL (CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | SIGCHLD, \ + 0, NULL, NULL, &THREAD_SELF->tid) + +#include "../fork.c" diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/libc-lowlevellock.c b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/libc-lowlevellock.c new file mode 100644 index 000000000..b19282281 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/libc-lowlevellock.c @@ -0,0 +1,21 @@ +/* Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* No difference to lowlevellock.c, except we lose a couple of functions. */ +#include "lowlevellock.c" diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.c b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.c new file mode 100644 index 000000000..e9ec4df1e --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.c @@ -0,0 +1,131 @@ +/* low level locking for pthread library. SPARC version. + Copyright (C) 2003, 2006, 2007 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Paul Mackerras <paulus@au.ibm.com>, 2003. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <sysdep.h> +#include <lowlevellock.h> +#include <sys/time.h> + + +/* These functions don't get included in libc.so */ +void +__lll_lock_wait (int *futex) +{ + do + { + int oldval = atomic_compare_and_exchange_val_24_acq (futex, 2, 1); + if (oldval != 0) + lll_futex_wait (futex, 2); + } + while (atomic_compare_and_exchange_val_24_acq (futex, 2, 0) != 0); +} + + +#ifdef IS_IN_libpthread +int +__lll_timedlock_wait (int *futex, const struct timespec *abstime) +{ + /* Reject invalid timeouts. */ + if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000) + return EINVAL; + + do + { + struct timeval tv; + struct timespec rt; + + /* Get the current time. */ + (void) gettimeofday (&tv, NULL); + + /* Compute relative timeout. */ + rt.tv_sec = abstime->tv_sec - tv.tv_sec; + rt.tv_nsec = abstime->tv_nsec - tv.tv_usec * 1000; + if (rt.tv_nsec < 0) + { + rt.tv_nsec += 1000000000; + --rt.tv_sec; + } + + /* Already timed out? */ + if (rt.tv_sec < 0) + return ETIMEDOUT; + + /* Wait. */ + int oldval = atomic_compare_and_exchange_val_24_acq (futex, 2, 1); + if (oldval != 0) + lll_futex_timed_wait (futex, 2, &rt); + } + while (atomic_compare_and_exchange_val_24_acq (futex, 2, 0) != 0); + + return 0; +} + +int +lll_unlock_wake_cb(int* futex) +{ + int val = atomic_exchange_24_rel(futex, 0); + + if( __builtin_expect( val > 1, 0 ) ) { + lll_futex_wake( futex, 1 ); + } + + return 0; +} + + +int +__lll_timedwait_tid (int *tidp, const struct timespec *abstime) +{ + int tid; + + if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000) + return EINVAL; + + /* Repeat until thread terminated. */ + while ((tid = *tidp) != 0) + { + struct timeval tv; + struct timespec rt; + + /* Get the current time. */ + (void) gettimeofday (&tv, NULL); + + /* Compute relative timeout. */ + rt.tv_sec = abstime->tv_sec - tv.tv_sec; + rt.tv_nsec = abstime->tv_nsec - tv.tv_usec * 1000; + if (rt.tv_nsec < 0) + { + rt.tv_nsec += 1000000000; + --rt.tv_sec; + } + + /* Already timed out? */ + if (rt.tv_sec < 0) + return ETIMEDOUT; + + /* Wait until thread terminates. The kernel so far does not use + the private futex operations for this. */ + if (lll_futex_timed_wait (tidp, tid, &rt) == -ETIMEDOUT) + return ETIMEDOUT; + } + + return 0; +} +#endif diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h new file mode 100644 index 000000000..4db6fb0b4 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/lowlevellock.h @@ -0,0 +1,258 @@ +/* Copyright (C) 2003, 2004, 2006, 2007, 2008 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Libr \ary; 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 <sys/param.h> +#include <bits/pthreadtypes.h> +#include <atomic.h> +#include <sysdep.h> + + +#define FUTEX_WAIT 0 +#define FUTEX_WAKE 1 +#define FUTEX_REQUEUE 3 +#define FUTEX_CMP_REQUEUE 4 +#define FUTEX_WAKE_OP 5 +#define FUTEX_OP_CLEAR_WAKE_IF_GT_ONE ((4 << 24) | 1) + +/* Initializer for compatibility lock. */ +#define LLL_MUTEX_LOCK_INITIALIZER (0) + +#define lll_futex_wait(futexp, val) \ + lll_futex_timed_wait (futexp, val, NULL) + +#define lll_futex_timed_wait(futexp, val, timespec) \ + ({ \ + INTERNAL_SYSCALL_DECL (__err); \ + long int __ret; \ + __ret = INTERNAL_SYSCALL (futex, __err, 4, (futexp), \ + FUTEX_WAIT, (val), (timespec)); \ + __ret; \ + }) + +#define lll_futex_wake(futexp, nr) \ + ({ \ + INTERNAL_SYSCALL_DECL (__err); \ + long int __ret; \ + __ret = INTERNAL_SYSCALL (futex, __err, 4, (futexp), \ + FUTEX_WAKE, (nr), 0); \ + __ret; \ + }) + +/* Returns non-zero if error happened, zero if success. */ +#define lll_futex_requeue(futexp, nr_wake, nr_move, mutex, val) \ + ({ \ + INTERNAL_SYSCALL_DECL (__err); \ + long int __ret; \ + __ret = INTERNAL_SYSCALL (futex, __err, 6, (futexp), \ + FUTEX_CMP_REQUEUE, (nr_wake), (nr_move), (mutex), (val)); \ + INTERNAL_SYSCALL_ERROR_P (__ret, __err); \ + }) + +#define lll_robust_dead(futexv) \ + do \ + { \ + int *__futexp = &(futexv); \ + atomic_or (__futexp, FUTEX_OWNER_DIED); \ + lll_futex_wake (__futexp, 1); \ + } \ + while (0) + +/* Returns non-zero if error happened, zero if success. */ +#ifdef __sparc32_atomic_do_lock +/* Avoid FUTEX_WAKE_OP if supporting pre-v9 CPUs. */ +# define lll_futex_wake_unlock(futexp, nr_wake, nr_wake2, futexp2) 1 +#else +# define lll_futex_wake_unlock(futexp, nr_wake, nr_wake2, futexp2) \ + ({ \ + INTERNAL_SYSCALL_DECL (__err); \ + long int __ret; \ + \ + __ret = INTERNAL_SYSCALL (futex, __err, 6, (futexp), \ + FUTEX_WAKE_OP, \ + (nr_wake), (nr_wake2), (futexp2), \ + FUTEX_OP_CLEAR_WAKE_IF_GT_ONE); \ + INTERNAL_SYSCALL_ERROR_P (__ret, __err); \ + }) +#endif + +static inline int +__attribute__ ((always_inline)) +__lll_trylock (int *futex) +{ + return atomic_compare_and_exchange_val_24_acq (futex, 1, 0) != 0; +} +#define lll_mutex_trylock(futex) __lll_trylock (&(futex)) + +static inline int +__attribute__ ((always_inline)) +__lll_cond_trylock (int *futex) +{ + return atomic_compare_and_exchange_val_24_acq (futex, 2, 0) != 0; +} +#define lll_mutex_cond_trylock(futex) __lll_cond_trylock (&(futex)) + +static inline int +__attribute__ ((always_inline)) +__lll_robust_trylock (int *futex, int id) +{ + return atomic_compare_and_exchange_val_acq (futex, id, 0) != 0; +} +#define lll_robust_trylock(futex, id) \ + __lll_robust_trylock (&(futex), id) + + +extern void __lll_lock_wait (int *futex) attribute_hidden; +extern int __lll_robust_lock_wait (int *futex) attribute_hidden; + +static inline void +__attribute__ ((always_inline)) +__lll_lock (int *futex) +{ + int val = atomic_compare_and_exchange_val_24_acq (futex, 1, 0); + + if (__builtin_expect (val != 0, 0)) + { + __lll_lock_wait (futex); + } +} +#define lll_mutex_lock(futex) __lll_lock (&(futex)) + +static inline int +__attribute__ ((always_inline)) +__lll_robust_lock (int *futex, int id) +{ + int result = 0; + if (atomic_compare_and_exchange_bool_acq (futex, id, 0) != 0) + result = __lll_robust_lock_wait (futex); + return result; +} +#define lll_robust_lock(futex, id) \ + __lll_robust_lock (&(futex), id) + +static inline void +__attribute__ ((always_inline)) +__lll_cond_lock (int *futex) +{ + int val = atomic_compare_and_exchange_val_24_acq (futex, 2, 0); + + if (__builtin_expect (val != 0, 0)) + __lll_lock_wait (futex); +} +#define lll_mutex_cond_lock(futex) __lll_cond_lock (&(futex)) + +#define lll_robust_cond_lock(futex, id) \ + __lll_robust_lock (&(futex), (id) | FUTEX_WAITERS) + + +extern int __lll_timedlock_wait (int *futex, const struct timespec *) attribute_hidden; +extern int __lll_robust_timedlock_wait (int *futex, const struct timespec *) attribute_hidden; + +static inline int +__attribute__ ((always_inline)) +__lll_timedlock (int *futex, const struct timespec *abstime) +{ + int val = atomic_compare_and_exchange_val_24_acq (futex, 1, 0); + int result = 0; + + if (__builtin_expect (val != 0, 0)) + result = __lll_timedlock_wait (futex, abstime); + return result; +} +#define lll_mutex_timedlock(futex, abstime) \ + __lll_timedlock (&(futex), abstime) + +static inline int +__attribute__ ((always_inline)) +__lll_robust_timedlock (int *futex, const struct timespec *abstime, + int id) +{ + int result = 0; + if (atomic_compare_and_exchange_bool_acq (futex, id, 0) != 0) + result = __lll_robust_timedlock_wait (futex, abstime); + return result; +} +#define lll_robust_timedlock(futex, abstime, id) \ + __lll_robust_timedlock (&(futex), abstime, id) + +#define lll_mutex_unlock(lock) \ + ((void) ({ \ + int *__futex = &(lock); \ + int __val = atomic_exchange_24_rel (__futex, 0); \ + if (__builtin_expect (__val > 1, 0)) \ + lll_futex_wake (__futex, 1); \ + })) + +#define lll_robust_unlock(lock) \ + ((void) ({ \ + int *__futex = &(lock); \ + int __val = atomic_exchange_rel (__futex, 0); \ + if (__builtin_expect (__val & FUTEX_WAITERS, 0)) \ + lll_futex_wake (__futex, 1); \ + })) + +#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 (0) +#define LLL_LOCK_INITIALIZER_LOCKED (1) + +extern int lll_unlock_wake_cb (int *__futex) attribute_hidden; + +#define lll_trylock(lock) lll_mutex_trylock (lock) +#define lll_lock(lock) lll_mutex_lock (lock) +#define lll_unlock(lock) lll_mutex_unlock (lock) +#define lll_islocked(lock) lll_mutex_islocked (lock) + + +/* 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. */ +#define lll_wait_tid(tid) \ + do \ + { \ + __typeof (tid) __tid; \ + while ((__tid = (tid)) != 0) \ + lll_futex_wait (&(tid), __tid); \ + } \ + while (0) + +extern int __lll_timedwait_tid (int *, const struct timespec *) + attribute_hidden; + +#define lll_timedwait_tid(tid, abstime) \ + ({ \ + int __res = 0; \ + if ((tid) != 0) \ + __res = __lll_timedwait_tid (&(tid), (abstime)); \ + __res; \ + }) + +#endif /* lowlevellock.h */ diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/pt-vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/pt-vfork.S new file mode 100644 index 000000000..e8705c54b --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/pt-vfork.S @@ -0,0 +1,5 @@ +#if defined(__arch64__) +#include "sparc64/pt-vfork.S" +#else +#include "sparc32/pt-vfork.S" +#endif diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/pthread_once.c b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/pthread_once.c new file mode 100644 index 000000000..3b07cc127 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/pthread_once.c @@ -0,0 +1,94 @@ +/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include "pthreadP.h" +#include <lowlevellock.h> + + +unsigned long int __fork_generation attribute_hidden; + + +static void +clear_once_control (void *arg) +{ + pthread_once_t *once_control = (pthread_once_t *) arg; + + *once_control = 0; + lll_futex_wake (once_control, INT_MAX); +} + + +int +__pthread_once (once_control, init_routine) + pthread_once_t *once_control; + void (*init_routine) (void); +{ + while (1) + { + int oldval, val, newval; + + val = *once_control; + do + { + /* Check if the initialized has already been done. */ + if ((val & 2) != 0) + return 0; + + oldval = val; + newval = (oldval & 3) | __fork_generation | 1; + val = atomic_compare_and_exchange_val_acq (once_control, newval, + oldval); + } + while (__builtin_expect (val != oldval, 0)); + + /* Check if another thread already runs the initializer. */ + if ((oldval & 1) != 0) + { + /* Check whether the initializer execution was interrupted + by a fork. */ + if (((oldval ^ newval) & -4) == 0) + { + /* Same generation, some other thread was faster. Wait. */ + lll_futex_wait (once_control, newval); + continue; + } + } + + /* This thread is the first here. Do the initialization. + Register a cleanup handler so that in case the thread gets + interrupted the initialization can be restarted. */ + pthread_cleanup_push (clear_once_control, once_control); + + init_routine (); + + pthread_cleanup_pop (0); + + + /* Add one to *once_control. */ + atomic_increment (once_control); + + /* Wake up all other threads. */ + lll_futex_wake (once_control, INT_MAX); + break; + } + + return 0; +} +weak_alias (__pthread_once, pthread_once) +strong_alias (__pthread_once, __pthread_once_internal) diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S new file mode 100644 index 000000000..a6142aafe --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S @@ -0,0 +1,2 @@ +#define RESET_PID +#include <libc/sysdeps/linux/sparc/clone.S> diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pt-vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pt-vfork.S new file mode 100644 index 000000000..fb01242b5 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/pt-vfork.S @@ -0,0 +1,45 @@ +/* Copyright (C) 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2004. + + 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 <tcb-offsets.h> + + .text + .globl __syscall_error +ENTRY(__vfork) + ld [%g7 + PID], %o5 + sub %g0, %o5, %o4 + st %o4, [%g7 + PID] + + LOADSYSCALL(vfork) + ta 0x10 + bcc 2f + mov %o7, %g1 + st %o5, [%g7 + PID] + call __syscall_error + mov %g1, %o7 +2: sub %o1, 1, %o1 + andcc %o0, %o1, %o0 + bne,a 1f + st %o5, [%g7 + PID] +1: retl + nop +END(__vfork) + +weak_alias (__vfork, vfork) diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h new file mode 100644 index 000000000..ad650d040 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h @@ -0,0 +1,105 @@ +/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2002. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <tls.h> +#include <sysdep.h> +#ifndef __ASSEMBLER__ +# include <pthreadP.h> +#endif + +#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt + +# undef PSEUDO +# define PSEUDO(name, syscall_name, args) \ + .text; \ + .globl __syscall_error; \ +ENTRY(name) \ + ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1;\ + cmp %g1, 0; \ + bne 1f; \ +.type __##syscall_name##_nocancel,@function; \ +.globl __##syscall_name##_nocancel; \ +__##syscall_name##_nocancel: \ + mov SYS_ify(syscall_name), %g1; \ + ta 0x10; \ + bcc 8f; \ + mov %o7, %g1; \ + call __syscall_error; \ + mov %g1, %o7; \ +8: jmpl %o7 + 8, %g0; \ + nop; \ +.size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel;\ +1: save %sp, -96, %sp; \ + cfi_def_cfa_register(%fp); \ + cfi_window_save; \ + cfi_register(%o7, %i7); \ + CENABLE; \ + nop; \ + mov %o0, %l0; \ + COPY_ARGS_##args \ + mov SYS_ify(syscall_name), %g1; \ + ta 0x10; \ + bcc 1f; \ + mov %o0, %l1; \ + CDISABLE; \ + mov %l0, %o0; \ + call __syscall_error; \ + mov %l1, %o0; \ + b 2f; \ + mov -1, %l1; \ +1: CDISABLE; \ + mov %l0, %o0; \ +2: jmpl %i7 + 8, %g0; \ + restore %g0, %l1, %o0; + +# ifdef IS_IN_libpthread +# define CENABLE call __pthread_enable_asynccancel +# define CDISABLE call __pthread_disable_asynccancel +# elif !defined NOT_IN_libc +# define CENABLE call __libc_enable_asynccancel +# define CDISABLE call __libc_disable_asynccancel +# elif defined IS_IN_librt +# define CENABLE call __librt_enable_asynccancel +# define CDISABLE call __librt_disable_asynccancel +# else +# error Unsupported library +# endif + +#define COPY_ARGS_0 /* Nothing */ +#define COPY_ARGS_1 COPY_ARGS_0 mov %i0, %o0; +#define COPY_ARGS_2 COPY_ARGS_1 mov %i1, %o1; +#define COPY_ARGS_3 COPY_ARGS_2 mov %i2, %o2; +#define COPY_ARGS_4 COPY_ARGS_3 mov %i3, %o3; +#define COPY_ARGS_5 COPY_ARGS_4 mov %i4, %o4; +#define COPY_ARGS_6 COPY_ARGS_5 mov %i5, %o5; + +# ifndef __ASSEMBLER__ +# define SINGLE_THREAD_P \ + __builtin_expect (THREAD_GETMEM (THREAD_SELF, \ + header.multiple_threads) == 0, 1) +# else +# define SINGLE_THREAD_P ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1 +# endif + +#elif !defined __ASSEMBLER__ + +# define SINGLE_THREAD_P (1) +# define NO_CANCELLATION 1 + +#endif diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S new file mode 100644 index 000000000..1a3827789 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S @@ -0,0 +1,49 @@ +/* Copyright (C) 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2004. + + 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 <tcb-offsets.h> + + .text + .globl __syscall_error +ENTRY(__vfork) + ld [%g7 + PID], %o5 + cmp %o5, 0 + bne 1f + sub %g0, %o5, %o4 + sethi %hi(0x80000000), %o4 +1: st %o4, [%g7 + PID] + + LOADSYSCALL(vfork) + ta 0x10 + bcc 2f + mov %o7, %g1 + st %o5, [%g7 + PID] + call __syscall_error + mov %g1, %o7 +2: sub %o1, 1, %o1 + andcc %o0, %o1, %o0 + bne,a 1f + st %o5, [%g7 + PID] +1: retl + nop +END(__vfork) + +hidden_def (vfork) +weak_alias (__vfork, vfork) diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/Versions b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/Versions new file mode 100644 index 000000000..3b111ddb5 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/Versions @@ -0,0 +1,7 @@ +librt { + GLIBC_2.3.3 { + # Changed timer_t. + timer_create; timer_delete; timer_getoverrun; timer_gettime; + timer_settime; + } +} diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S new file mode 100644 index 000000000..64e3bfc12 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S @@ -0,0 +1,2 @@ +#define RESET_PID +#include <libc/sysdeps/linux/sparc/sparcv9/clone.S> diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/pt-vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/pt-vfork.S new file mode 100644 index 000000000..8941043c3 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/pt-vfork.S @@ -0,0 +1,45 @@ +/* Copyright (C) 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2004. + + 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 <tcb-offsets.h> + + .text + .globl __syscall_error +ENTRY(__vfork) + ld [%g7 + PID], %o5 + sub %g0, %o5, %o4 + st %o4, [%g7 + PID] + + LOADSYSCALL(vfork) + ta 0x6d + bcc,pt %xcc, 2f + mov %o7, %g1 + st %o5, [%g7 + PID] + call __syscall_error + mov %g1, %o7 +2: sub %o1, 1, %o1 + andcc %o0, %o1, %o0 + bne,a,pt %icc, 1f + st %o5, [%g7 + PID] +1: retl + nop +END(__vfork) + +weak_alias (__vfork, vfork) diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h new file mode 100644 index 000000000..aec2d4a86 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h @@ -0,0 +1,110 @@ +/* Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2002. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sysdep.h> +#include <tls.h> +#ifndef __ASSEMBLER__ +# include <pthreadP.h> +#endif + +#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt + +# undef PSEUDO +# define PSEUDO(name, syscall_name, args) \ + .text; \ + .globl __syscall_error; \ +ENTRY(name) \ + ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1;\ + brnz,pn %g1, 1f; \ +.type __##syscall_name##_nocancel,@function; \ +.globl __##syscall_name##_nocancel; \ +__##syscall_name##_nocancel: \ + mov SYS_ify(syscall_name), %g1; \ + ta 0x6d; \ + bcc,pt %xcc, 8f; \ + mov %o7, %g1; \ + call __syscall_error; \ + mov %g1, %o7; \ +8: jmpl %o7 + 8, %g0; \ + nop; \ +.size __##syscall_name##_nocancel,.-__##syscall_name##_nocancel;\ +1: save %sp, -192, %sp; \ + cfi_def_cfa_register(%fp); \ + cfi_window_save; \ + cfi_register(%o7, %i7); \ + CENABLE; \ + nop; \ + mov %o0, %l0; \ + COPY_ARGS_##args \ + mov SYS_ify(syscall_name), %g1; \ + ta 0x6d; \ + bcc,pt %xcc, 1f; \ + mov %o0, %l1; \ + CDISABLE; \ + mov %l0, %o0; \ + call __syscall_error; \ + mov %l1, %o0; \ + ba,pt %xcc, 2f; \ + mov -1, %l1; \ +1: CDISABLE; \ + mov %l0, %o0; \ +2: jmpl %i7 + 8, %g0; \ + restore %g0, %l1, %o0; + +# ifdef IS_IN_libpthread +# define CENABLE call __pthread_enable_asynccancel +# define CDISABLE call __pthread_disable_asynccancel +# elif !defined NOT_IN_libc +# define CENABLE call __libc_enable_asynccancel +# define CDISABLE call __libc_disable_asynccancel +# elif defined IS_IN_librt +# define CENABLE call __librt_enable_asynccancel +# define CDISABLE call __librt_disable_asynccancel +# else +# error Unsupported library +# endif + +#define COPY_ARGS_0 /* Nothing */ +#define COPY_ARGS_1 COPY_ARGS_0 mov %i0, %o0; +#define COPY_ARGS_2 COPY_ARGS_1 mov %i1, %o1; +#define COPY_ARGS_3 COPY_ARGS_2 mov %i2, %o2; +#define COPY_ARGS_4 COPY_ARGS_3 mov %i3, %o3; +#define COPY_ARGS_5 COPY_ARGS_4 mov %i4, %o4; +#define COPY_ARGS_6 COPY_ARGS_5 mov %i5, %o5; + +# ifndef __ASSEMBLER__ +# define SINGLE_THREAD_P \ + __builtin_expect (THREAD_GETMEM (THREAD_SELF, \ + header.multiple_threads) == 0, 1) +# else +# define SINGLE_THREAD_P ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1 +# endif + +#elif !defined __ASSEMBLER__ + +# define SINGLE_THREAD_P (1) +# define NO_CANCELLATION 1 + +#endif + +#ifndef __ASSEMBLER__ +# define RTLD_SINGLE_THREAD_P \ + __builtin_expect (THREAD_GETMEM (THREAD_SELF, \ + header.multiple_threads) == 0, 1) +#endif diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/timer_create.c b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/timer_create.c new file mode 100644 index 000000000..0a9c3372b --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/timer_create.c @@ -0,0 +1 @@ +#include "../../x86_64/timer_create.c" diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/timer_delete.c b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/timer_delete.c new file mode 100644 index 000000000..f0d4fd21d --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/timer_delete.c @@ -0,0 +1 @@ +#include "../../x86_64/timer_delete.c" diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/timer_getoverr.c b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/timer_getoverr.c new file mode 100644 index 000000000..82121a7a2 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/timer_getoverr.c @@ -0,0 +1 @@ +#include "../../x86_64/timer_getoverr.c" diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/timer_gettime.c b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/timer_gettime.c new file mode 100644 index 000000000..313c05fea --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/timer_gettime.c @@ -0,0 +1 @@ +#include "../../x86_64/timer_gettime.c" diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/timer_settime.c b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/timer_settime.c new file mode 100644 index 000000000..76f549cb4 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/timer_settime.c @@ -0,0 +1 @@ +#include "../../x86_64/timer_settime.c" diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S new file mode 100644 index 000000000..b4e89aceb --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S @@ -0,0 +1,49 @@ +/* Copyright (C) 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2004. + + 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 <tcb-offsets.h> + + .text + .globl __syscall_error +ENTRY(__vfork) + ld [%g7 + PID], %o5 + sethi %hi(0x80000000), %o3 + cmp %o5, 0 + sub %g0, %o5, %o4 + move %icc, %o3, %o4 + st %o4, [%g7 + PID] + + LOADSYSCALL(vfork) + ta 0x6d + bcc,pt %xcc, 2f + mov %o7, %g1 + st %o5, [%g7 + PID] + call __syscall_error + mov %g1, %o7 +2: sub %o1, 1, %o1 + andcc %o0, %o1, %o0 + bne,a,pt %icc, 1f + st %o5, [%g7 + PID] +1: retl + nop +END(__vfork) + +hidden_def (vfork) +weak_alias (__vfork, vfork) diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sysdep-cancel.h b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sysdep-cancel.h new file mode 100644 index 000000000..5be9beb92 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sysdep-cancel.h @@ -0,0 +1,5 @@ +#if defined(__arch64__) +#include "sparc64/sysdep-cancel.h" +#else +#include "sparc32/sysdep-cancel.h" +#endif diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sysdep.h b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sysdep.h new file mode 100644 index 000000000..744e587a3 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/sysdep.h @@ -0,0 +1,65 @@ +#ifndef _LINUX_SPARC_SYSDEP_H +#define _LINUX_SPARC_SYSDEP_H 1 + +#include <sysdeps/unix/sysdep.h> + +#undef ENTRY +#undef END + +#ifdef __ASSEMBLER__ + +#define LOADSYSCALL(x) mov __NR_##x, %g1 + +#define ENTRY(name) \ + .align 4; \ + .global C_SYMBOL_NAME(name); \ + .type name, @function; \ +C_LABEL(name) \ + cfi_startproc; + +#define END(name) \ + cfi_endproc; \ + .size name, . - name + +#define LOC(name) .L##name + + /* If the offset to __syscall_error fits into a signed 22-bit + * immediate branch offset, the linker will relax the call into + * a normal branch. + */ +#undef PSEUDO +#undef PSEUDO_END +#undef PSEUDO_NOERRNO +#undef PSEUDO_ERRVAL + +#define PSEUDO(name, syscall_name, args) \ + .text; \ + .globl __syscall_error; \ +ENTRY(name); \ + LOADSYSCALL(syscall_name); \ + ta 0x10; \ + bcc 1f; \ + mov %o7, %g1; \ + call __syscall_error; \ + mov %g1, %o7; \ +1: + +#define PSEUDO_NOERRNO(name, syscall_name, args)\ + .text; \ +ENTRY(name); \ + LOADSYSCALL(syscall_name); \ + ta 0x10; + +#define PSEUDO_ERRVAL(name, syscall_name, args) \ + .text; \ +ENTRY(name); \ + LOADSYSCALL(syscall_name); \ + ta 0x10; + +#define PSEUDO_END(name) \ + END(name) + + +#endif + +#endif diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/vfork.S b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/vfork.S new file mode 100644 index 000000000..160cd0b10 --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sparc/vfork.S @@ -0,0 +1,5 @@ +#if defined(__arch64__) +#include "sparc64/vfork.S" +#else +#include "sparc32/vfork.S" +#endif |