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authorUlrich Drepper <drepper@redhat.com>2001-04-09 04:55:59 +0000
committerUlrich Drepper <drepper@redhat.com>2001-04-09 04:55:59 +0000
commiteacde9d0818dac743bc5c2562e35f0a6e949327e (patch)
treed117012b09ea03667334e4fb4be8ab15c41509d5 /linuxthreads/sysdeps
parent4c4505561671f07c4f1b9e39cc0a0fa271a6c8be (diff)
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Update.
2001-04-08  Hans-Peter Nilsson  <hp@axis.com>

	* sysdeps/unix/sysv/linux/cris/Dist: New file.
	* sysdeps/unix/sysv/linux/cris/Makefile: New file.
	* sysdeps/unix/sysv/linux/cris/_G_config.h: New file.
	* sysdeps/unix/sysv/linux/cris/bits/fcntl.h: New file.
	* sysdeps/unix/sysv/linux/cris/bits/mman.h: New file.
	* sysdeps/unix/sysv/linux/cris/bits/resource.h: New file.
	* sysdeps/unix/sysv/linux/cris/brk.c: New file.
	* sysdeps/unix/sysv/linux/cris/chown.c: New file.
	* sysdeps/unix/sysv/linux/cris/clone.S: New file.
	* sysdeps/unix/sysv/linux/cris/fchown.c: New file.
	* sysdeps/unix/sysv/linux/cris/fcntl.c: New file.
	* sysdeps/unix/sysv/linux/cris/fxstat.c: New file.
	* sysdeps/unix/sysv/linux/cris/getegid.c: New file.
	* sysdeps/unix/sysv/linux/cris/geteuid.c: New file.
	* sysdeps/unix/sysv/linux/cris/getgid.c: New file.
	* sysdeps/unix/sysv/linux/cris/getgroups.c: New file.
	* sysdeps/unix/sysv/linux/cris/getresgid.c: New file.
	* sysdeps/unix/sysv/linux/cris/getresuid.c: New file.
	* sysdeps/unix/sysv/linux/cris/getrlimit.c: New file.
	* sysdeps/unix/sysv/linux/cris/getrlimit64.c: New file.
	* sysdeps/unix/sysv/linux/cris/getuid.c: New file.
	* sysdeps/unix/sysv/linux/cris/lchown.c: New file.
	* sysdeps/unix/sysv/linux/cris/lockf64.c: New file.
	* sysdeps/unix/sysv/linux/cris/lxstat.c: New file.
	* sysdeps/unix/sysv/linux/cris/mmap.S: New file.
	* sysdeps/unix/sysv/linux/cris/mmap64.S: New file.
	* sysdeps/unix/sysv/linux/cris/msgctl.c: New file.
	* sysdeps/unix/sysv/linux/cris/profil-counter.h: New file.
	* sysdeps/unix/sysv/linux/cris/register-dump.h: New file.
	* sysdeps/unix/sysv/linux/cris/semctl.c: New file.
	* sysdeps/unix/sysv/linux/cris/setegid.c: New file.
	* sysdeps/unix/sysv/linux/cris/seteuid.c: New file.
	* sysdeps/unix/sysv/linux/cris/setfsgid.c: New file.
	* sysdeps/unix/sysv/linux/cris/setfsuid.c: New file.
	* sysdeps/unix/sysv/linux/cris/setgid.c: New file.
	* sysdeps/unix/sysv/linux/cris/setgroups.c: New file.
	* sysdeps/unix/sysv/linux/cris/setregid.c: New file.
	* sysdeps/unix/sysv/linux/cris/setresgid.c: New file.
	* sysdeps/unix/sysv/linux/cris/setresuid.c: New file.
	* sysdeps/unix/sysv/linux/cris/setreuid.c: New file.
	* sysdeps/unix/sysv/linux/cris/setrlimit.c: New file.
	* sysdeps/unix/sysv/linux/cris/setuid.c: New file.
	* sysdeps/unix/sysv/linux/cris/shmctl.c: New file.
	* sysdeps/unix/sysv/linux/cris/socket.S: New file.
	* sysdeps/unix/sysv/linux/cris/sys/ucontext.h: New file.
	* sysdeps/unix/sysv/linux/cris/syscall.S: New file.
	* sysdeps/unix/sysv/linux/cris/sysdep.S: New file.
	* sysdeps/unix/sysv/linux/cris/sysdep.h: New file.
	* sysdeps/unix/sysv/linux/cris/vfork.S: New file.
	* sysdeps/unix/sysv/linux/cris/xstat.c: New file.

2001-04-08  Hans-Peter Nilsson  <hp@axis.com>

	* sysdeps/cris/Dist: New file.
	* sysdeps/cris/Implies: New file.
	* sysdeps/cris/Makefile: New file.
	* sysdeps/cris/__longjmp.S: New file.
	* sysdeps/cris/_mcount.S: New file.
	* sysdeps/cris/bits/endian.h: New file.
	* sysdeps/cris/bits/setjmp.h: New file.
	* sysdeps/cris/bits/string.h: New file.
	* sysdeps/cris/dl-machine.h: New file.
	* sysdeps/cris/elf/start.S: New file.
	* sysdeps/cris/machine-gmon.h: New file.
	* sysdeps/cris/memcopy.h: New file.
	* sysdeps/cris/memusage.h: New file.
	* sysdeps/cris/setjmp.S: New file.
	* sysdeps/cris/sysdep.h: New file.
	* sysdeps/cris/wordcopy.c: New file.

2001-04-08  Hans-Peter Nilsson  <hp@axis.com>

	* elf/elf.h: Add new relocations for CRIS.

2001-04-08  Hans-Peter Nilsson  <hp@axis.com>

	* shlib-versions: Add cases for Linux on CRIS.

2001-04-08  Hans-Peter Nilsson  <hp@axis.com>

	* configure.in (ASM_LINE_SEP tests): Handle CRIS assembly, with
	';' for comments and '@' for line separator.

2001-04-08  Hans-Peter Nilsson  <hp@axis.com>

	* sysdeps/unix/sysv/linux/hppa/sysdep.h (INLINE_SYSCALL): Fix
	typo; s/==/=/ for assignment.

2001-04-08  Hans-Peter Nilsson  <hp@axis.com>

	* malloc/Makefile: Correct comment; mtrace is Perl, not AWK.

2001-04-08  Hans-Peter Nilsson  <hp@axis.com>

	* iconv/gconv_simple.c (internal_ucs4_loop_unaligned): Check for
	empty input before checking full output.

2001-04-08  Hans-Peter Nilsson  <hp@axis.com>

	* iconv/gconv.c (__gconv): Don't derefer parameter cd before
	checking if == -1L.

2001-04-08  Ulrich Drepper  <drepper@redhat.com>

	* inet/rexec.c (rexec_af): Avoid calling perror with errno being set.
Diffstat (limited to 'linuxthreads/sysdeps')
-rw-r--r--linuxthreads/sysdeps/cris/pspinlock.c72
-rw-r--r--linuxthreads/sysdeps/cris/pt-machine.h50
2 files changed, 122 insertions, 0 deletions
diff --git a/linuxthreads/sysdeps/cris/pspinlock.c b/linuxthreads/sysdeps/cris/pspinlock.c
new file mode 100644
index 0000000000..ff73d8337f
--- /dev/null
+++ b/linuxthreads/sysdeps/cris/pspinlock.c
@@ -0,0 +1,72 @@
+/* POSIX spinlock implementation.  CRIS version.
+   Copyright (C) 2000, 2001 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.  */
+
+#include <errno.h>
+#include <pthread.h>
+#include "internals.h"
+
+/* FIXME: These are just dummies.  I don't know why or if they're needed;
+   configury should default to these definitions.  We just follow the
+   crowd here.  */
+
+int
+__pthread_spin_lock (pthread_spinlock_t *lock)
+{
+  while (testandset (lock) != 0)
+    ;
+
+  return 0;
+}
+weak_alias (__pthread_spin_lock, pthread_spin_lock)
+
+
+int
+__pthread_spin_trylock (pthread_spinlock_t *lock)
+{
+  return testandset (lock) != 0 ? EBUSY : 0;
+}
+weak_alias (__pthread_spin_trylock, pthread_spin_trylock)
+
+
+int
+__pthread_spin_unlock (pthread_spinlock_t *lock)
+{
+  return *lock = 0;
+}
+weak_alias (__pthread_spin_unlock, pthread_spin_unlock)
+
+
+int
+__pthread_spin_init (pthread_spinlock_t *lock, int pshared)
+{
+  /* We can ignore the `pshared' parameter.  Since we are busy-waiting
+     all processes which can access the memory location `lock' points
+     to can use the spinlock.  */
+  return *lock = 0;
+}
+weak_alias (__pthread_spin_init, pthread_spin_init)
+
+
+int
+__pthread_spin_destroy (pthread_spinlock_t *lock)
+{
+  /* Nothing to do.  */
+  return 0;
+}
+weak_alias (__pthread_spin_destroy, pthread_spin_destroy)
diff --git a/linuxthreads/sysdeps/cris/pt-machine.h b/linuxthreads/sysdeps/cris/pt-machine.h
new file mode 100644
index 0000000000..9f9739492a
--- /dev/null
+++ b/linuxthreads/sysdeps/cris/pt-machine.h
@@ -0,0 +1,50 @@
+/* Machine-dependent pthreads configuration and inline functions.
+   CRIS version.
+   Copyright (C) 2001 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef PT_EI
+# define PT_EI extern inline
+#endif
+
+PT_EI long int
+testandset (int *spinlock)
+{
+  register unsigned long int ret;
+
+  /* Note the use of a dummy output of *spinlock to expose the write.  The
+     memory barrier is to stop *other* writes being moved past this code.  */
+  __asm__ __volatile__("clearf\n"
+		       "0:\n\t"
+		       "movu.b [%2],%0\n\t"
+		       "ax\n\t"
+		       "move.b %3,[%2]\n\t"
+		       "bwf 0b\n\t"
+		       "clearf"
+		       : "=&r" (ret), "=m" (*spinlock)
+		       : "r" (spinlock), "r" ((int) 1)
+		       : "memory");
+  return ret;
+}
+
+
+/* Get some notion of the current stack.  Need not be exactly the top
+   of the stack, just something somewhere in the current frame.
+   I don't trust register variables, so let's do this the safe way.  */
+#define CURRENT_STACK_FRAME \
+ ({ char *sp; __asm__ ("move.d $sp,%0" : "=rm" (sp)); sp; })