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authorUlrich Drepper <drepper@redhat.com>2003-08-31 18:10:47 +0000
committerUlrich Drepper <drepper@redhat.com>2003-08-31 18:10:47 +0000
commitcd2fbe58e617407e79b64c68cef34224803aa910 (patch)
treeb07a2d7ac749cf125426c8deb41668deeaf6d2c8 /nptl/sysdeps/sparc/sparc64
parentb5bc52efe77e9f0deeb2ee141ea066ab18c927da (diff)
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Update.
2003-08-31 Ulrich Drepper <drepper@redhat.com> * sysdeps/x86_64/bsd-_setjmp.S: Use HIDDEN_JUMPTARGET. * include/setjmp.h: Add libc_hidden_proto for __sigsetjmp. (CFLAGS-clnt_perr.c): Likewise.
Diffstat (limited to 'nptl/sysdeps/sparc/sparc64')
-rw-r--r--nptl/sysdeps/sparc/sparc64/pthread_spin_lock.c39
-rw-r--r--nptl/sysdeps/sparc/sparc64/pthread_spin_trylock.c34
-rw-r--r--nptl/sysdeps/sparc/sparc64/pthread_spin_unlock.c30
-rw-r--r--nptl/sysdeps/sparc/sparc64/pthreaddef.h40
4 files changed, 143 insertions, 0 deletions
diff --git a/nptl/sysdeps/sparc/sparc64/pthread_spin_lock.c b/nptl/sysdeps/sparc/sparc64/pthread_spin_lock.c
new file mode 100644
index 0000000..77171d9
--- /dev/null
+++ b/nptl/sysdeps/sparc/sparc64/pthread_spin_lock.c
@@ -0,0 +1,39 @@
+/* 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 "pthreadP.h"
+
+int
+pthread_spin_lock (pthread_spinlock_t *lock)
+{
+ __asm __volatile
+ ("1: ldstub [%0], %%g5\n"
+ " brnz,pn %%g5, 2f\n"
+ " membar #StoreLoad | #StoreStore\n"
+ ".subsection 2\n"
+ "2: ldub [%0], %%g5\n"
+ " brnz,pt %%g5, 2b\n"
+ " membar #LoadLoad\n"
+ " b,a,pt %%xcc, 1b\n"
+ ".previous"
+ : /* no outputs */
+ : "r" (lock)
+ : "g5", "memory");
+ return 0;
+}
diff --git a/nptl/sysdeps/sparc/sparc64/pthread_spin_trylock.c b/nptl/sysdeps/sparc/sparc64/pthread_spin_trylock.c
new file mode 100644
index 0000000..2bda809
--- /dev/null
+++ b/nptl/sysdeps/sparc/sparc64/pthread_spin_trylock.c
@@ -0,0 +1,34 @@
+/* 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 <errno.h>
+#include "pthreadP.h"
+
+int
+pthread_spin_trylock (pthread_spinlock_t *lock)
+{
+ int res;
+ __asm __volatile
+ ("ldstub [%1], %0\n"
+ "membar #StoreLoad | #StoreStore"
+ : "=r" (res)
+ : "r" (lock)
+ : "memory");
+ return res == 0 ? 0 : EBUSY;
+}
diff --git a/nptl/sysdeps/sparc/sparc64/pthread_spin_unlock.c b/nptl/sysdeps/sparc/sparc64/pthread_spin_unlock.c
new file mode 100644
index 0000000..7037675
--- /dev/null
+++ b/nptl/sysdeps/sparc/sparc64/pthread_spin_unlock.c
@@ -0,0 +1,30 @@
+/* pthread_spin_unlock -- unlock a spin lock. Generic version.
+ 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. */
+
+#include "pthreadP.h"
+#include <atomic.h>
+
+int
+pthread_spin_unlock (pthread_spinlock_t *lock)
+{
+ __asm __volatile ("membar #StoreStore | #LoadStore");
+ *lock = 0;
+ return 0;
+}
diff --git a/nptl/sysdeps/sparc/sparc64/pthreaddef.h b/nptl/sysdeps/sparc/sparc64/pthreaddef.h
new file mode 100644
index 0000000..ec76512
--- /dev/null
+++ b/nptl/sysdeps/sparc/sparc64/pthreaddef.h
@@ -0,0 +1,40 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/* Default stack size. */
+#define ARCH_STACK_DEFAULT_SIZE (4 * 1024 * 1024)
+
+/* Required stack pointer alignment at beginning. */
+#define STACK_ALIGN 16
+
+/* Minimal stack size after allocating thread descriptor and guard size. */
+#define MINIMAL_REST_STACK 4096
+
+/* Alignment requirement for TCB. */
+#define TCB_ALIGNMENT 16
+
+
+/* Location of current stack frame. */
+#define CURRENT_STACK_FRAME (stack_pointer + (2 * 128))
+register char *stack_pointer __asm__("%sp");
+
+/* XXX Until we have a better place keep the definitions here. */
+
+/* While there is no such syscall. */
+#define __exit_thread_inline(val) \
+ INLINE_SYSCALL (exit, 1, (val))