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authorUlrich Drepper <drepper@redhat.com>1997-12-28 16:01:53 +0000
committerUlrich Drepper <drepper@redhat.com>1997-12-28 16:01:53 +0000
commitb9b49b44fdc1c74ad85076bca9ff7ea0200e2214 (patch)
tree9fb0945b8576709212f84f3bbc6bd051e36b36af /sysdeps/powerpc/atomicity.h
parent9756dfe161e523a5d543fb2b1f33a7e682a36342 (diff)
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1997-12-28 15:08  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/powerpc/__longjmp.S: Define _SETJMP_H before including
	<bits/setjmp.h>.
	* sysdeps/powerpc/setjmp.S: Likewise.
	Patches by Matt McLean <keys@keys.got.net>.

	* Make-dist (sysdep_dirs): Ignore bits dirs while searching.

	* Makefile: Undo last patch.
	(distribute): Add test-installation.pl.

	* configure.in: Correct handling of --enable-add-ons without parameter.
	Correct address of WWW pages.

	* libc.map: Add _nl_domain_bindings.

	* db2/mutex/tsl_parisc.s: New file.

	* iconvdata/Makefile (distribute): Add jis0201.c, jis0208.c, jis0212.c,
	and extra-module.mk.

	* localedata/Makefile (distribute): New.  Add all the files.

	* stdlib/Makefile (headers): Add inttypes.h.
	(routines): Add strtoimax, strtoumax, wcstoimax, and wcstoumax.
	* sysdeps/generic/inttypes.h: New file.
	* sysdeps/generic/strtoimax.c: New file.
	* sysdeps/generic/strtoumax.c: New file.
	* sysdeps/generic/wcstoimax.c: New file.
	* sysdeps/generic/wcstoumax.c: New file.
	* sysdeps/wordsize-32/Dist: Removed.
	* sysdeps/wordsize-32/Makefile: Removed.
	* sysdeps/wordsize-64/Dist: Removed.
	* sysdeps/wordsize-64/Makefile: Removed.
	* sysdeps/generic/bits/environments.h: New file.

	* include/limits.h: Define MB_LEN_MAX in any case to 6.  The gcc
	header is still not correct.

	* io/fcntl.h [__USE_FILE_OFFSET64]: We have to use the __*64 types.
	* posix/unistd.h: Likewise.
	* sysdeps/generic/sys/mman.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/mman.h: Likewise.

	* manual/arith.texi: Change definition of mul macro.
	* manual/math.texi: Likewise.

	* misc/Makefile (routines): Add mmap64.
	* sysdeps/generic/mmap64.c: New file.
	* sysdeps/unix/sysv/linux/alpha/mmap64.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc64/mmap64.c: New file.
	* sysdeps/unix/sysv/linux/alpha/syscalls.list: Add __mmap64 and mmap64
	aliases to mmap.
	* sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list: Likewise.

	* sysdeps/generic/setrlimit64.c: Don't mark as stub.

	* nis/nss_nis/nis-hosts.c (internal_nis_gethostent_r): Pretty print.

	* nis(rpcsvc/nis_tags.h: Prevent warning by unknown pragma.

	* sysdeps/posix/mk-stdiolim.c: Generate correct file which defines
	FOPEN_MAX also when included by limits.h.
	* sysdeps/unix/sysv/linux/stdio_lim.h.in: Likewise.

	* sysdeps/unix/sysv/linux/Dist: Add oldsiglist.c, netax25/ax25.h,
	and netrom/netrom.h.
	* sysdeps/unix/sysv/linux/Makefile [$(subdir)=stdio-common]: Add
	oldsiglist to sysdep_routines, not aux.
	[$(subdir)=inet] (sysdep_headers): Add netax25/ax25.h, netrom/netrom.h.

	* sysdeps/unix/sysv/linux/bits/socket.h: Remove SOL_AX25, SOL_ATALK,
	and SOL_NETROM definition.

	* sysdeps/unix/sysv/linux/i386/Dist: Add s_pwrite64.S and s_pread64.S.

	* sysdeps/unix/sysv/linux/net/route.h: Pretty print.
	* sysdeps/unix/sysv/linux/netatalk/at.h: Pretty print.

1997-12-25  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/alpha/net/route.h: New file.

	* sysdeps/unix/sysv/linux/alpha/kernel_sigaction.h: Replace
	sa_handler with k_sa_handler.
	* sysdeps/unix/sysv/linux/alpha/syscalls.list: Add __getrlimit as
	strong alias.
	Reported by a sun.

	* sysdeps/unix/sysv/linux/sigsuspend.c: Don't define
	__libc_have_rt_sigs here.
	* sysdeps/unix/sysv/linux/sigaction.c: Do it instead here.
	* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise.
	* sysdeps/unix/sysv/linux/sigpending.c: Correct comment.
	* sysdeps/unix/sysv/linux/sigprocmask.c: Likewise.

1997-12-11 07:51  Geoff Keating  <geoffk@ozemail.com.au>

	* sysdeps/powerpc/atomicity.h: New file.
	* sysdeps/mach/powerpc/machine-lock.h: New file.

	* Rules: Use -fpic to build anything that might end up in a users'
	shared library.

	* sysdeps/powerpc/s_fdim.c: New file.
	* sysdeps/powerpc/s_fdimf.c: New file.
	* sysdeps/powerpc/s_fmax.S: New file.
	* sysdeps/powerpc/s_fmaxf.S: New file.
	* sysdeps/powerpc/s_fmin.S: New file.
	* sysdeps/powerpc/s_fminf.S: New file.
	* sysdeps/powerpc/s_llrint.c: Now is for double.
	* sysdeps/powerpc/s_llrintf.c: New file.
	* sysdeps/powerpc/s_llround.c: Now is for double.
	* sysdeps/powerpc/s_llroundf.c: New file.
	* sysdeps/powerpc/s_lrint.c: Now is for double.
	* sysdeps/powerpc/s_lrintf.S: New file.
	* sysdeps/powerpc/s_lround.c: Now is for double.
	* sysdeps/powerpc/s_lroundf.c: New file.
	* sysdeps/powerpc/bits/mathinlines.h: Add inline versions of lrint,
	lrintf, fdim, fdimf.

	* sysdeps/unix/sysv/linux/powerpc/kernel_termios.h: Don't use bits/
	file directly, use its parent.

	* sysdeps/unix/sysv/linux/powerpc/dl-sysdep.c: Re-instate '++'
	(for the third time).

1997-12-20 13:50  Richard Henderson  <rth@cygnus.com>

	* posix/sched.h: timespec is in <time.h>.

	* sysdeps/unix/sysv/linux/sys/kd.h: Don't redefine _LINUX_TYPES_H.
Diffstat (limited to 'sysdeps/powerpc/atomicity.h')
-rw-r--r--sysdeps/powerpc/atomicity.h99
1 files changed, 99 insertions, 0 deletions
diff --git a/sysdeps/powerpc/atomicity.h b/sysdeps/powerpc/atomicity.h
new file mode 100644
index 0000000000..dba09658cb
--- /dev/null
+++ b/sysdeps/powerpc/atomicity.h
@@ -0,0 +1,99 @@
+/* Low-level functions for atomic operations.  PowerPC version.
+   Copyright (C) 1997 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 _ATOMICITY_H
+#define _ATOMICITY_H	1
+
+#include <inttypes.h>
+
+static inline int
+__attribute__ ((unused))
+exchange_and_add (volatile uint32_t *mem, int val)
+{
+  int tmp, result;
+  __asm__ __volatile__ ("\
+0:	lwarx	%0,0,%2
+	add	%1,%3,%0
+	stwcx.	%1,0,%2
+	bne-	0b
+" : "=&r"(result), "=&r"(tmp) : "r" (mem), "r"(val) : "cr0");
+  return result;
+}
+
+static inline void
+__attribute__ ((unused))
+atomic_add (volatile uint32_t *mem, int val)
+{
+  int tmp;
+  __asm__ __volatile__("\
+0:	lwarx	%0,0,%1
+	add	%0,%2,%0
+	stwcx.	%0,0,%1
+	bne-	0b
+" : "=&r"(tmp) : "r" (mem), "r"(val) : "cr0");
+}
+
+static inline int
+__attribute__ ((unused))
+compare_and_swap (volatile long int *p, long int oldval, long int newval)
+{
+  int result;
+  __asm__ __volatile__ ("\
+0:	lwarx	%0,0,%1
+	xor.	%0,%0,%2
+	cntlzw	%0,%0
+	bne-	1f
+	stwcx.	%3,0,%1
+	bne-	0b
+1:	srwi	%0,%0,5
+" : "=&r"(result) : "r"(p), "r"(oldval), "r"(newval) : "cr0");
+  return result;
+}
+
+static inline long int
+__attribute__ ((unused))
+always_swap (volatile long int *p, long int newval)
+{
+  long int result;
+  __asm__ __volatile__ ("\
+0:	lwarx	%0,0,%1
+	stwcx.	%2,0,%1
+	bne-	0b
+" : "=&r"(result) : "r"(p), "r"(newval) : "cr0");
+  return result;
+}
+
+static inline int
+__attribute__ ((unused))
+test_and_set (volatile long int *p, long int oldval, long int newval)
+{
+  int result;
+  __asm__ __volatile__ ("\
+0:	lwarx	%0,0,%1
+	xor.	%0,%0,%2
+	cntlzw	%0,%0
+	bne-	1f
+	stwcx.	%3,0,%1
+	bne-	0b
+1:	srwi	%0,%0,5
+" : "=&r"(result) : "r"(p), "r"(oldval), "r"(newval) : "cr0");
+  return result;
+}
+
+#endif /* atomicity.h */