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author | Ulrich Drepper <drepper@redhat.com> | 1997-12-28 16:01:53 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1997-12-28 16:01:53 +0000 |
commit | b9b49b44fdc1c74ad85076bca9ff7ea0200e2214 (patch) | |
tree | 9fb0945b8576709212f84f3bbc6bd051e36b36af /sysdeps/powerpc/atomicity.h | |
parent | 9756dfe161e523a5d543fb2b1f33a7e682a36342 (diff) | |
download | glibc-b9b49b44fdc1c74ad85076bca9ff7ea0200e2214.tar.gz glibc-b9b49b44fdc1c74ad85076bca9ff7ea0200e2214.tar.xz glibc-b9b49b44fdc1c74ad85076bca9ff7ea0200e2214.zip |
Update. cvs/libc-ud-971228
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.h | 99 |
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 */ |