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authorCarmelo Amoroso <carmelo.amoroso@st.com>2011-04-06 15:13:59 +0200
committerCarmelo Amoroso <carmelo.amoroso@st.com>2011-04-06 15:13:59 +0200
commit3b3285b1b7c02d36c74a6ae265fdb02ca991c96b (patch)
tree0f3bf060794323ff690f6f4a86dc903c4570f540 /libpthread/linuxthreads.old/sysdeps/c6x
parent289d19f45d7f8af9a4079938a3426aafdd2674ba (diff)
parent85f4b028d767fc390a7b866d2f58d58be489242d (diff)
Merge remote-tracking branch 'origin/master' into prelink
* origin/master: (137 commits) utils/ldd: Check for returned pointer from strrchr not the value it holds cris: add provide arch-specific vfork implementation lutimes.c, stubs.c: fix compiling lutimes, if __NR_utimensat is not defined bump version to 0.9.32-rc3-git release 0.9.32-rc3 memalign: include sys/param.h for MAX arm/bits/atomic.h: Include common/bit/atomic.h for thumb1 wctype.h: fix libc_hidden_proto for iswupper and add it for iswspace add libc_hidden_proto for wcs[n]casecmp_l really fix missing __libc_drand48_data Revert "missing prototype of __libc_drand48_data fixed" missing prototype of __libc_drand48_data fixed time.c, time.h: remove unused hidden strftime/strptime nanosleep.c: remove duplicated libc_hidden_proto ctype.c, ctype.h: remove commented parts that were banned for removal after 0.9.31 _wctype.c, wctype.h: remove unused isw* and wctype_l hidden functions time.c, wchar.h: remove unused hidden wcsftime str[n]casecmp.c: fix hidden usage remove unused hidden functions frv/memset.S: add missing libc_hidden_def ... Conflicts: ldso/ldso/ldso.c Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
Diffstat (limited to 'libpthread/linuxthreads.old/sysdeps/c6x')
-rw-r--r--libpthread/linuxthreads.old/sysdeps/c6x/pt-machine.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/libpthread/linuxthreads.old/sysdeps/c6x/pt-machine.h b/libpthread/linuxthreads.old/sysdeps/c6x/pt-machine.h
new file mode 100644
index 000000000..cabd4e33c
--- /dev/null
+++ b/libpthread/linuxthreads.old/sysdeps/c6x/pt-machine.h
@@ -0,0 +1,64 @@
+/* Machine-dependent pthreads configuration and inline functions.
+ C6x version.
+ Copyright (C) 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Aurelien Jacquiot <aurelien.jacquiot@jaluna.com>.
+
+ 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; 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_MACHINE_H
+#define _PT_MACHINE_H 1
+
+#ifndef PT_EI
+# define PT_EI extern inline
+#endif
+
+extern int __compare_and_swap (long int *p, long int oldval, long int newval);
+
+/* Spinlock implementation; required. */
+static inline long int
+testandset (int *spinlock)
+{
+ register unsigned int ret = 1;
+ int dummy;
+ __asm__ __volatile__ ("mvc .s2 CSR, %0\n\tand .s2 -2, %0, %0\n\tmvc .s2 %0, CSR\n"
+ : "=b" (dummy));
+
+ if (*spinlock == 0) {
+ *spinlock = 1;
+ ret = 0;
+ }
+ __asm__ __volatile__ ("mvc .s2 CSR, %0\n\tor .s2 1, %0, %0\n\tmvc .s2 %0, CSR\n"
+ : "=b" (dummy));
+ return ret;
+}
+
+#define WRITE_MEMORY_BARRIER()
+#define READ_MEMORY_BARRIER()
+
+/* Get some notion of the current stack. Need not be exactly the top
+ of the stack, just something somewhere in the current frame. */
+#define CURRENT_STACK_FRAME get_stack_pointer()
+static inline char * get_stack_pointer(void)
+{
+ char *sp;
+ __asm__ __volatile__ ("mv .d2 B15, %0" : "=b" (sp));
+ return sp;
+}
+
+#define THREAD_STACK_OFFSET 8
+
+#endif /* pt-machine.h */