diff options
Diffstat (limited to 'gcc-4.2.1-5666.3/libgomp/config/linux')
| -rw-r--r-- | gcc-4.2.1-5666.3/libgomp/config/linux/alpha/futex.h | 76 | ||||
| -rw-r--r-- | gcc-4.2.1-5666.3/libgomp/config/linux/bar.c | 64 | ||||
| -rw-r--r-- | gcc-4.2.1-5666.3/libgomp/config/linux/bar.h | 75 | ||||
| -rw-r--r-- | gcc-4.2.1-5666.3/libgomp/config/linux/ia64/futex.h | 71 | ||||
| -rw-r--r-- | gcc-4.2.1-5666.3/libgomp/config/linux/lock.c | 182 | ||||
| -rw-r--r-- | gcc-4.2.1-5666.3/libgomp/config/linux/mutex.c | 52 | ||||
| -rw-r--r-- | gcc-4.2.1-5666.3/libgomp/config/linux/mutex.h | 63 | ||||
| -rw-r--r-- | gcc-4.2.1-5666.3/libgomp/config/linux/omp-lock.h | 10 | ||||
| -rw-r--r-- | gcc-4.2.1-5666.3/libgomp/config/linux/powerpc/futex.h | 70 | ||||
| -rw-r--r-- | gcc-4.2.1-5666.3/libgomp/config/linux/s390/futex.h | 64 | ||||
| -rw-r--r-- | gcc-4.2.1-5666.3/libgomp/config/linux/sem.c | 65 | ||||
| -rw-r--r-- | gcc-4.2.1-5666.3/libgomp/config/linux/sem.h | 60 | ||||
| -rw-r--r-- | gcc-4.2.1-5666.3/libgomp/config/linux/sparc/futex.h | 80 | ||||
| -rw-r--r-- | gcc-4.2.1-5666.3/libgomp/config/linux/x86/futex.h | 110 |
14 files changed, 0 insertions, 1042 deletions
diff --git a/gcc-4.2.1-5666.3/libgomp/config/linux/alpha/futex.h b/gcc-4.2.1-5666.3/libgomp/config/linux/alpha/futex.h deleted file mode 100644 index 98681a852..000000000 --- a/gcc-4.2.1-5666.3/libgomp/config/linux/alpha/futex.h +++ /dev/null @@ -1,76 +0,0 @@ -/* Copyright (C) 2005 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU OpenMP Library (libgomp). - - Libgomp 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. - - Libgomp 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 libgomp; see the file COPYING.LIB. If not, write to the - Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301, USA. */ - -/* As a special exception, if you link this library with other files, some - of which are compiled with GCC, to produce an executable, this library - does not by itself cause the resulting executable to be covered by the - GNU General Public License. This exception does not however invalidate - any other reasons why the executable file might be covered by the GNU - General Public License. */ - -/* Provide target-specific access to the futex system call. */ - -#ifndef SYS_futex -#define SYS_futex 394 -#endif -#define FUTEX_WAIT 0 -#define FUTEX_WAKE 1 - - -static inline void -futex_wait (int *addr, int val) -{ - register long sc_0 __asm__("$0"); - register long sc_16 __asm__("$16"); - register long sc_17 __asm__("$17"); - register long sc_18 __asm__("$18"); - register long sc_19 __asm__("$19"); - - sc_0 = SYS_futex; - sc_16 = (long) addr; - sc_17 = FUTEX_WAIT; - sc_18 = val; - sc_19 = 0; - __asm volatile ("callsys" - : "=r" (sc_0), "=r"(sc_19) - : "0"(sc_0), "r" (sc_16), "r"(sc_17), "r"(sc_18), "1"(sc_19) - : "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", - "$22", "$23", "$24", "$25", "$27", "$28", "memory"); -} - -static inline void -futex_wake (int *addr, int count) -{ - register long sc_0 __asm__("$0"); - register long sc_16 __asm__("$16"); - register long sc_17 __asm__("$17"); - register long sc_18 __asm__("$18"); - register long sc_19 __asm__("$19"); - - sc_0 = SYS_futex; - sc_16 = (long) addr; - sc_17 = FUTEX_WAKE; - sc_18 = count; - __asm volatile ("callsys" - : "=r" (sc_0), "=r"(sc_19) - : "0"(sc_0), "r" (sc_16), "r"(sc_17), "r"(sc_18) - : "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", - "$22", "$23", "$24", "$25", "$27", "$28", "memory"); -} diff --git a/gcc-4.2.1-5666.3/libgomp/config/linux/bar.c b/gcc-4.2.1-5666.3/libgomp/config/linux/bar.c deleted file mode 100644 index 5c4f32e6f..000000000 --- a/gcc-4.2.1-5666.3/libgomp/config/linux/bar.c +++ /dev/null @@ -1,64 +0,0 @@ -/* Copyright (C) 2005 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU OpenMP Library (libgomp). - - Libgomp 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. - - Libgomp 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 libgomp; see the file COPYING.LIB. If not, write to the - Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301, USA. */ - -/* As a special exception, if you link this library with other files, some - of which are compiled with GCC, to produce an executable, this library - does not by itself cause the resulting executable to be covered by the - GNU General Public License. This exception does not however invalidate - any other reasons why the executable file might be covered by the GNU - General Public License. */ - -/* This is a Linux specific implementation of a barrier synchronization - mechanism for libgomp. This type is private to the library. This - implementation uses atomic instructions and the futex syscall. */ - -#include "libgomp.h" -#include "futex.h" -#include <limits.h> - - -void -gomp_barrier_wait_end (gomp_barrier_t *bar, bool last) -{ - if (last) - { - bar->generation++; - futex_wake (&bar->generation, INT_MAX); - } - else - { - unsigned int generation = bar->generation; - - gomp_mutex_unlock (&bar->mutex); - - do - futex_wait (&bar->generation, generation); - while (bar->generation == generation); - } - - if (__sync_add_and_fetch (&bar->arrived, -1) == 0) - gomp_mutex_unlock (&bar->mutex); -} - -void -gomp_barrier_wait (gomp_barrier_t *barrier) -{ - gomp_barrier_wait_end (barrier, gomp_barrier_wait_start (barrier)); -} diff --git a/gcc-4.2.1-5666.3/libgomp/config/linux/bar.h b/gcc-4.2.1-5666.3/libgomp/config/linux/bar.h deleted file mode 100644 index 57268585d..000000000 --- a/gcc-4.2.1-5666.3/libgomp/config/linux/bar.h +++ /dev/null @@ -1,75 +0,0 @@ -/* Copyright (C) 2005 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU OpenMP Library (libgomp). - - Libgomp 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. - - Libgomp 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 libgomp; see the file COPYING.LIB. If not, write to the - Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301, USA. */ - -/* As a special exception, if you link this library with other files, some - of which are compiled with GCC, to produce an executable, this library - does not by itself cause the resulting executable to be covered by the - GNU General Public License. This exception does not however invalidate - any other reasons why the executable file might be covered by the GNU - General Public License. */ - -/* This is a Linux specific implementation of a barrier synchronization - mechanism for libgomp. This type is private to the library. This - implementation uses atomic instructions and the futex syscall. */ - -#ifndef GOMP_BARRIER_H -#define GOMP_BARRIER_H 1 - -#include "mutex.h" - -typedef struct -{ - gomp_mutex_t mutex; - unsigned total; - unsigned arrived; - int generation; -} gomp_barrier_t; - -static inline void gomp_barrier_init (gomp_barrier_t *bar, unsigned count) -{ - gomp_mutex_init (&bar->mutex); - bar->total = count; - bar->arrived = 0; - bar->generation = 0; -} - -static inline void gomp_barrier_reinit (gomp_barrier_t *bar, unsigned count) -{ - gomp_mutex_lock (&bar->mutex); - bar->total = count; - gomp_mutex_unlock (&bar->mutex); -} - -static inline void gomp_barrier_destroy (gomp_barrier_t *bar) -{ - /* Before destroying, make sure all threads have left the barrier. */ - gomp_mutex_lock (&bar->mutex); -} - -extern void gomp_barrier_wait (gomp_barrier_t *); -extern void gomp_barrier_wait_end (gomp_barrier_t *, bool); - -static inline bool gomp_barrier_wait_start (gomp_barrier_t *bar) -{ - gomp_mutex_lock (&bar->mutex); - return ++bar->arrived == bar->total; -} - -#endif /* GOMP_BARRIER_H */ diff --git a/gcc-4.2.1-5666.3/libgomp/config/linux/ia64/futex.h b/gcc-4.2.1-5666.3/libgomp/config/linux/ia64/futex.h deleted file mode 100644 index 5e54982d6..000000000 --- a/gcc-4.2.1-5666.3/libgomp/config/linux/ia64/futex.h +++ /dev/null @@ -1,71 +0,0 @@ -/* Copyright (C) 2005 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU OpenMP Library (libgomp). - - Libgomp 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. - - Libgomp 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 libgomp; see the file COPYING.LIB. If not, write to the - Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301, USA. */ - -/* As a special exception, if you link this library with other files, some - of which are compiled with GCC, to produce an executable, this library - does not by itself cause the resulting executable to be covered by the - GNU General Public License. This exception does not however invalidate - any other reasons why the executable file might be covered by the GNU - General Public License. */ - -/* Provide target-specific access to the futex system call. */ - -#include <sys/syscall.h> - -#define FUTEX_WAIT 0 -#define FUTEX_WAKE 1 - - -static inline void -sys_futex0(int *addr, int op, int val) -{ - register long out0 asm ("out0") = (long) addr; - register long out1 asm ("out1") = op; - register long out2 asm ("out2") = val; - register long out3 asm ("out3") = 0; - register long r15 asm ("r15") = SYS_futex; - - __asm __volatile ("break 0x100000" - : "=r"(r15), "=r"(out0), "=r"(out1), "=r"(out2), "=r"(out3) - : "r"(r15), "r"(out0), "r"(out1), "r"(out2), "r"(out3) - : "memory", "r8", "r10", "out4", "out5", "out6", "out7", - /* Non-stacked integer registers, minus r8, r10, r15. */ - "r2", "r3", "r9", "r11", "r12", "r13", "r14", "r16", "r17", "r18", - "r19", "r20", "r21", "r22", "r23", "r24", "r25", "r26", "r27", - "r28", "r29", "r30", "r31", - /* Predicate registers. */ - "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", - /* Non-rotating fp registers. */ - "f6", "f7", "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", - /* Branch registers. */ - "b6"); -} - -static inline void -futex_wait (int *addr, int val) -{ - sys_futex0 (addr, FUTEX_WAIT, val); -} - -static inline void -futex_wake (int *addr, int count) -{ - sys_futex0 (addr, FUTEX_WAKE, count); -} diff --git a/gcc-4.2.1-5666.3/libgomp/config/linux/lock.c b/gcc-4.2.1-5666.3/libgomp/config/linux/lock.c deleted file mode 100644 index 211f6007b..000000000 --- a/gcc-4.2.1-5666.3/libgomp/config/linux/lock.c +++ /dev/null @@ -1,182 +0,0 @@ -/* Copyright (C) 2005 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU OpenMP Library (libgomp). - - Libgomp 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. - - Libgomp 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 libgomp; see the file COPYING.LIB. If not, write to the - Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301, USA. */ - -/* As a special exception, if you link this library with other files, some - of which are compiled with GCC, to produce an executable, this library - does not by itself cause the resulting executable to be covered by the - GNU General Public License. This exception does not however invalidate - any other reasons why the executable file might be covered by the GNU - General Public License. */ - -/* This is a Linux specific implementation of the public OpenMP locking - primitives. This implementation uses atomic instructions and the futex - syscall. */ - -#include "libgomp.h" -#include <string.h> -#include <unistd.h> -#include <sys/syscall.h> -#include "futex.h" - - -/* The internal gomp_mutex_t and the external non-recursive omp_lock_t - have the same form. Re-use it. */ - -void -omp_init_lock (omp_lock_t *lock) -{ - gomp_mutex_init (lock); -} - -void -omp_destroy_lock (omp_lock_t *lock) -{ - gomp_mutex_destroy (lock); -} - -void -omp_set_lock (omp_lock_t *lock) -{ - gomp_mutex_lock (lock); -} - -void -omp_unset_lock (omp_lock_t *lock) -{ - gomp_mutex_unlock (lock); -} - -int -omp_test_lock (omp_lock_t *lock) -{ - return __sync_bool_compare_and_swap (lock, 0, 1); -} - -/* The external recursive omp_nest_lock_t form requires additional work. */ - -/* We need an integer to uniquely identify this thread. Most generally - this is the thread's TID, which ideally we'd get this straight from - the TLS block where glibc keeps it. Unfortunately, we can't get at - that directly. - - If we don't support (or have disabled) TLS, one function call is as - good (or bad) as any other. Use the syscall all the time. - - On an ILP32 system (defined here as not LP64), we can make do with - any thread-local pointer. Ideally we'd use the TLS base address, - since that requires the least amount of arithmetic, but that's not - always available directly. Make do with the gomp_thread pointer - since it's handy. */ - -#if !defined (HAVE_TLS) -static inline int gomp_tid (void) -{ - return syscall (SYS_gettid); -} -#elif !defined(__LP64__) -static inline int gomp_tid (void) -{ - return (int) gomp_thread (); -} -#else -static __thread int tid_cache; -static inline int gomp_tid (void) -{ - int tid = tid_cache; - if (__builtin_expect (tid == 0, 0)) - tid_cache = tid = syscall (SYS_gettid); - return tid; -} -#endif - - -void -omp_init_nest_lock (omp_nest_lock_t *lock) -{ - memset (lock, 0, sizeof (lock)); -} - -void -omp_destroy_nest_lock (omp_nest_lock_t *lock) -{ -} - -void -omp_set_nest_lock (omp_nest_lock_t *lock) -{ - int otid, tid = gomp_tid (); - - while (1) - { - otid = __sync_val_compare_and_swap (&lock->owner, 0, tid); - if (otid == 0) - { - lock->count = 1; - return; - } - if (otid == tid) - { - lock->count++; - return; - } - - futex_wait (&lock->owner, otid); - } -} - -void -omp_unset_nest_lock (omp_nest_lock_t *lock) -{ - /* ??? Validate that we own the lock here. */ - - if (--lock->count == 0) - { - __sync_lock_release (&lock->owner); - futex_wake (&lock->owner, 1); - } -} - -int -omp_test_nest_lock (omp_nest_lock_t *lock) -{ - int otid, tid = gomp_tid (); - - otid = __sync_val_compare_and_swap (&lock->owner, 0, tid); - if (otid == 0) - { - lock->count = 1; - return 1; - } - if (otid == tid) - return ++lock->count; - - return 0; -} - -ialias (omp_init_lock) -ialias (omp_init_nest_lock) -ialias (omp_destroy_lock) -ialias (omp_destroy_nest_lock) -ialias (omp_set_lock) -ialias (omp_set_nest_lock) -ialias (omp_unset_lock) -ialias (omp_unset_nest_lock) -ialias (omp_test_lock) -ialias (omp_test_nest_lock) diff --git a/gcc-4.2.1-5666.3/libgomp/config/linux/mutex.c b/gcc-4.2.1-5666.3/libgomp/config/linux/mutex.c deleted file mode 100644 index fa3dfd1cb..000000000 --- a/gcc-4.2.1-5666.3/libgomp/config/linux/mutex.c +++ /dev/null @@ -1,52 +0,0 @@ -/* Copyright (C) 2005 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU OpenMP Library (libgomp). - - Libgomp 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. - - Libgomp 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 libgomp; see the file COPYING.LIB. If not, write to the - Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301, USA. */ - -/* As a special exception, if you link this library with other files, some - of which are compiled with GCC, to produce an executable, this library - does not by itself cause the resulting executable to be covered by the - GNU General Public License. This exception does not however invalidate - any other reasons why the executable file might be covered by the GNU - General Public License. */ - -/* This is a Linux specific implementation of a mutex synchronization - mechanism for libgomp. This type is private to the library. This - implementation uses atomic instructions and the futex syscall. */ - -#include "libgomp.h" -#include "futex.h" - - -void -gomp_mutex_lock_slow (gomp_mutex_t *mutex) -{ - do - { - int oldval = __sync_val_compare_and_swap (mutex, 1, 2); - if (oldval != 0) - futex_wait (mutex, 2); - } - while (!__sync_bool_compare_and_swap (mutex, 0, 2)); -} - -void -gomp_mutex_unlock_slow (gomp_mutex_t *mutex) -{ - futex_wake (mutex, 1); -} diff --git a/gcc-4.2.1-5666.3/libgomp/config/linux/mutex.h b/gcc-4.2.1-5666.3/libgomp/config/linux/mutex.h deleted file mode 100644 index 323814aa8..000000000 --- a/gcc-4.2.1-5666.3/libgomp/config/linux/mutex.h +++ /dev/null @@ -1,63 +0,0 @@ -/* Copyright (C) 2005 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU OpenMP Library (libgomp). - - Libgomp 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. - - Libgomp 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 libgomp; see the file COPYING.LIB. If not, write to the - Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301, USA. */ - -/* As a special exception, if you link this library with other files, some - of which are compiled with GCC, to produce an executable, this library - does not by itself cause the resulting executable to be covered by the - GNU General Public License. This exception does not however invalidate - any other reasons why the executable file might be covered by the GNU - General Public License. */ - -/* This is a Linux specific implementation of a mutex synchronization - mechanism for libgomp. This type is private to the library. This - implementation uses atomic instructions and the futex syscall. */ - -#ifndef GOMP_MUTEX_H -#define GOMP_MUTEX_H 1 - -typedef int gomp_mutex_t; - -#define GOMP_MUTEX_INIT_0 1 - -static inline void gomp_mutex_init (gomp_mutex_t *mutex) -{ - *mutex = 0; -} - -extern void gomp_mutex_lock_slow (gomp_mutex_t *mutex); -static inline void gomp_mutex_lock (gomp_mutex_t *mutex) -{ - if (!__sync_bool_compare_and_swap (mutex, 0, 1)) - gomp_mutex_lock_slow (mutex); -} - -extern void gomp_mutex_unlock_slow (gomp_mutex_t *mutex); -static inline void gomp_mutex_unlock (gomp_mutex_t *mutex) -{ - int val = __sync_lock_test_and_set (mutex, 0); - if (__builtin_expect (val > 1, 0)) - gomp_mutex_unlock_slow (mutex); -} - -static inline void gomp_mutex_destroy (gomp_mutex_t *mutex) -{ -} - -#endif /* GOMP_MUTEX_H */ diff --git a/gcc-4.2.1-5666.3/libgomp/config/linux/omp-lock.h b/gcc-4.2.1-5666.3/libgomp/config/linux/omp-lock.h deleted file mode 100644 index 350cba160..000000000 --- a/gcc-4.2.1-5666.3/libgomp/config/linux/omp-lock.h +++ /dev/null @@ -1,10 +0,0 @@ -/* This header is used during the build process to find the size and - alignment of the public OpenMP locks, so that we can export data - structures without polluting the namespace. - - When using the Linux futex primitive, non-recursive locks require - only one int. Recursive locks require we identify the owning thread - and so require two ints. */ - -typedef int omp_lock_t; -typedef struct { int owner, count; } omp_nest_lock_t; diff --git a/gcc-4.2.1-5666.3/libgomp/config/linux/powerpc/futex.h b/gcc-4.2.1-5666.3/libgomp/config/linux/powerpc/futex.h deleted file mode 100644 index 20e035737..000000000 --- a/gcc-4.2.1-5666.3/libgomp/config/linux/powerpc/futex.h +++ /dev/null @@ -1,70 +0,0 @@ -/* Copyright (C) 2005 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU OpenMP Library (libgomp). - - Libgomp 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. - - Libgomp 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 libgomp; see the file COPYING.LIB. If not, write to the - Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301, USA. */ - -/* As a special exception, if you link this library with other files, some - of which are compiled with GCC, to produce an executable, this library - does not by itself cause the resulting executable to be covered by the - GNU General Public License. This exception does not however invalidate - any other reasons why the executable file might be covered by the GNU - General Public License. */ - -/* Provide target-specific access to the futex system call. */ - -#include <sys/syscall.h> -#define FUTEX_WAIT 0 -#define FUTEX_WAKE 1 - -static inline void -sys_futex0 (int *addr, int op, int val) -{ - register long int r0 __asm__ ("r0"); - register long int r3 __asm__ ("r3"); - register long int r4 __asm__ ("r4"); - register long int r5 __asm__ ("r5"); - register long int r6 __asm__ ("r6"); - - r0 = SYS_futex; - r3 = (long) addr; - r4 = op; - r5 = val; - r6 = 0; - - /* ??? The powerpc64 sysdep.h file clobbers ctr; the powerpc32 sysdep.h - doesn't. It doesn't much matter for us. In the interest of unity, - go ahead and clobber it always. */ - - __asm volatile ("sc" - : "=r"(r0), "=r"(r3), "=r"(r4), "=r"(r5), "=r"(r6) - : "r"(r0), "r"(r3), "r"(r4), "r"(r5), "r"(r6) - : "r7", "r8", "r9", "r10", "r11", "r12", - "cr0", "ctr", "memory"); -} - -static inline void -futex_wait (int *addr, int val) -{ - sys_futex0 (addr, FUTEX_WAIT, val); -} - -static inline void -futex_wake (int *addr, int count) -{ - sys_futex0 (addr, FUTEX_WAKE, count); -} diff --git a/gcc-4.2.1-5666.3/libgomp/config/linux/s390/futex.h b/gcc-4.2.1-5666.3/libgomp/config/linux/s390/futex.h deleted file mode 100644 index 9b3820c0d..000000000 --- a/gcc-4.2.1-5666.3/libgomp/config/linux/s390/futex.h +++ /dev/null @@ -1,64 +0,0 @@ -/* Copyright (C) 2005 Free Software Foundation, Inc. - Contributed by Jakub Jelinek <jakub@redhat.com>. - - This file is part of the GNU OpenMP Library (libgomp). - - Libgomp 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. - - Libgomp 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 libgomp; see the file COPYING.LIB. If not, write to the - Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301, USA. */ - -/* As a special exception, if you link this library with other files, some - of which are compiled with GCC, to produce an executable, this library - does not by itself cause the resulting executable to be covered by the - GNU General Public License. This exception does not however invalidate - any other reasons why the executable file might be covered by the GNU - General Public License. */ - -/* Provide target-specific access to the futex system call. */ - -#include <sys/syscall.h> -#define FUTEX_WAIT 0 -#define FUTEX_WAKE 1 - -static inline void -sys_futex0 (int *addr, int op, int val) -{ - register long int gpr2 __asm__ ("2"); - register long int gpr3 __asm__ ("3"); - register long int gpr4 __asm__ ("4"); - register long int gpr5 __asm__ ("5"); - - gpr2 = (long) addr; - gpr3 = op; - gpr4 = val; - gpr5 = 0; - - __asm volatile ("svc %b1" - : "=d" (gpr2) - : "i" (SYS_futex), - "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5) - : "memory"); -} - -static inline void -futex_wait (int *addr, int val) -{ - sys_futex0 (addr, FUTEX_WAIT, val); -} - -static inline void -futex_wake (int *addr, int count) -{ - sys_futex0 (addr, FUTEX_WAKE, count); -} diff --git a/gcc-4.2.1-5666.3/libgomp/config/linux/sem.c b/gcc-4.2.1-5666.3/libgomp/config/linux/sem.c deleted file mode 100644 index 798e3f1f2..000000000 --- a/gcc-4.2.1-5666.3/libgomp/config/linux/sem.c +++ /dev/null @@ -1,65 +0,0 @@ -/* Copyright (C) 2005 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU OpenMP Library (libgomp). - - Libgomp 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. - - Libgomp 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 libgomp; see the file COPYING.LIB. If not, write to the - Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301, USA. */ - -/* As a special exception, if you link this library with other files, some - of which are compiled with GCC, to produce an executable, this library - does not by itself cause the resulting executable to be covered by the - GNU General Public License. This exception does not however invalidate - any other reasons why the executable file might be covered by the GNU - General Public License. */ - -/* This is a Linux specific implementation of a semaphore synchronization - mechanism for libgomp. This type is private to the library. This - implementation uses atomic instructions and the futex syscall. */ - -#include "libgomp.h" -#include "futex.h" - - -void -gomp_sem_wait_slow (gomp_sem_t *sem) -{ - while (1) - { - int val = __sync_val_compare_and_swap (sem, 0, -1); - if (val > 0) - { - if (__sync_bool_compare_and_swap (sem, val, val - 1)) - return; - } - futex_wait (sem, -1); - } -} - -void -gomp_sem_post_slow (gomp_sem_t *sem) -{ - int old, tmp = *sem, wake; - - do - { - old = tmp; - wake = old > 0 ? old + 1 : 1; - tmp = __sync_val_compare_and_swap (sem, old, wake); - } - while (old != tmp); - - futex_wake (sem, wake); -} diff --git a/gcc-4.2.1-5666.3/libgomp/config/linux/sem.h b/gcc-4.2.1-5666.3/libgomp/config/linux/sem.h deleted file mode 100644 index fff0bbded..000000000 --- a/gcc-4.2.1-5666.3/libgomp/config/linux/sem.h +++ /dev/null @@ -1,60 +0,0 @@ -/* Copyright (C) 2005 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU OpenMP Library (libgomp). - - Libgomp 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. - - Libgomp 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 libgomp; see the file COPYING.LIB. If not, write to the - Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301, USA. */ - -/* As a special exception, if you link this library with other files, some - of which are compiled with GCC, to produce an executable, this library - does not by itself cause the resulting executable to be covered by the - GNU General Public License. This exception does not however invalidate - any other reasons why the executable file might be covered by the GNU - General Public License. */ - -/* This is a Linux specific implementation of a semaphore synchronization - mechanism for libgomp. This type is private to the library. This - implementation uses atomic instructions and the futex syscall. */ - -#ifndef GOMP_SEM_H -#define GOMP_SEM_H 1 - -typedef int gomp_sem_t; - -static inline void gomp_sem_init (gomp_sem_t *sem, int value) -{ - *sem = value; -} - -extern void gomp_sem_wait_slow (gomp_sem_t *); -static inline void gomp_sem_wait (gomp_sem_t *sem) -{ - if (!__sync_bool_compare_and_swap (sem, 1, 0)) - gomp_sem_wait_slow (sem); -} - -extern void gomp_sem_post_slow (gomp_sem_t *); -static inline void gomp_sem_post (gomp_sem_t *sem) -{ - if (!__sync_bool_compare_and_swap (sem, 0, 1)) - gomp_sem_post_slow (sem); -} - -static inline void gomp_sem_destroy (gomp_sem_t *sem) -{ -} - -#endif /* GOMP_SEM_H */ diff --git a/gcc-4.2.1-5666.3/libgomp/config/linux/sparc/futex.h b/gcc-4.2.1-5666.3/libgomp/config/linux/sparc/futex.h deleted file mode 100644 index 7b1cc8379..000000000 --- a/gcc-4.2.1-5666.3/libgomp/config/linux/sparc/futex.h +++ /dev/null @@ -1,80 +0,0 @@ -/* Copyright (C) 2005 Free Software Foundation, Inc. - Contributed by Jakub Jelinek <jakub@redhat.com>. - - This file is part of the GNU OpenMP Library (libgomp). - - Libgomp 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. - - Libgomp 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 libgomp; see the file COPYING.LIB. If not, write to the - Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301, USA. */ - -/* As a special exception, if you link this library with other files, some - of which are compiled with GCC, to produce an executable, this library - does not by itself cause the resulting executable to be covered by the - GNU General Public License. This exception does not however invalidate - any other reasons why the executable file might be covered by the GNU - General Public License. */ - -/* Provide target-specific access to the futex system call. */ - -#include <sys/syscall.h> -#define FUTEX_WAIT 0 -#define FUTEX_WAKE 1 - -static inline void -sys_futex0 (int *addr, int op, int val) -{ - register long int g1 __asm__ ("g1"); - register long int o0 __asm__ ("o0"); - register long int o1 __asm__ ("o1"); - register long int o2 __asm__ ("o2"); - register long int o3 __asm__ ("o3"); - - g1 = SYS_futex; - o0 = (long) addr; - o1 = op; - o2 = val; - o3 = 0; - -#ifdef __arch64__ -# define SYSCALL_STRING "ta\t0x6d" -#else -# define SYSCALL_STRING "ta\t0x10" -#endif - - __asm volatile (SYSCALL_STRING - : "=r" (g1), "=r" (o0) - : "0" (g1), "1" (o0), "r" (o1), "r" (o2), "r" (o3) - : "g2", "g3", "g4", "g5", "g6", - "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", - "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", - "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", - "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", -#ifdef __arch64__ - "f32", "f34", "f36", "f38", "f40", "f42", "f44", "f46", - "f48", "f50", "f52", "f54", "f56", "f58", "f60", "f62", -#endif - "cc", "memory"); -} - -static inline void -futex_wait (int *addr, int val) -{ - sys_futex0 (addr, FUTEX_WAIT, val); -} - -static inline void -futex_wake (int *addr, int count) -{ - sys_futex0 (addr, FUTEX_WAKE, count); -} diff --git a/gcc-4.2.1-5666.3/libgomp/config/linux/x86/futex.h b/gcc-4.2.1-5666.3/libgomp/config/linux/x86/futex.h deleted file mode 100644 index 4f9aac2dd..000000000 --- a/gcc-4.2.1-5666.3/libgomp/config/linux/x86/futex.h +++ /dev/null @@ -1,110 +0,0 @@ -/* Copyright (C) 2005 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU OpenMP Library (libgomp). - - Libgomp 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. - - Libgomp 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 libgomp; see the file COPYING.LIB. If not, write to the - Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301, USA. */ - -/* As a special exception, if you link this library with other files, some - of which are compiled with GCC, to produce an executable, this library - does not by itself cause the resulting executable to be covered by the - GNU General Public License. This exception does not however invalidate - any other reasons why the executable file might be covered by the GNU - General Public License. */ - -/* Provide target-specific access to the futex system call. */ - -#define FUTEX_WAIT 0 -#define FUTEX_WAKE 1 - -#ifdef __LP64__ -# ifndef SYS_futex -# define SYS_futex 202 -# endif - -static inline void -futex_wait (int *addr, int val) -{ - register long r10 __asm__("%r10") = 0; - long res; - - __asm volatile ("syscall" - : "=a" (res) - : "0"(SYS_futex), "D" (addr), "S"(FUTEX_WAIT), - "d"(val), "r"(r10) - : "r11", "rcx", "memory"); -} - -static inline void -futex_wake (int *addr, int count) -{ - long res; - - __asm volatile ("syscall" - : "=a" (res) - : "0"(SYS_futex), "D" (addr), "S"(FUTEX_WAKE), "d"(count) - : "r11", "rcx", "memory"); -} -#else -# ifndef SYS_futex -# define SYS_futex 240 -# endif - -# ifdef __PIC__ - -static inline void -sys_futex0 (int *addr, int op, int val) -{ - long res; - - __asm volatile ("xchgl\t%%ebx, %2\n\t" - "int\t$0x80\n\t" - "xchgl\t%%ebx, %2" - : "=a" (res) - : "0"(SYS_futex), "r" (addr), "c"(op), - "d"(val), "S"(0) - : "memory"); -} - -# else - -static inline void -sys_futex0 (int *addr, int op, int val) -{ - long res; - - __asm volatile ("int $0x80" - : "=a" (res) - : "0"(SYS_futex), "b" (addr), "c"(op), - "d"(val), "S"(0) - : "memory"); -} - -# endif /* __PIC__ */ - -static inline void -futex_wait (int *addr, int val) -{ - sys_futex0 (addr, FUTEX_WAIT, val); -} - -static inline void -futex_wake (int *addr, int count) -{ - sys_futex0 (addr, FUTEX_WAKE, count); -} - -#endif /* __LP64__ */ |