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authorUlrich Drepper <drepper@redhat.com>2003-02-17 20:46:52 +0000
committerUlrich Drepper <drepper@redhat.com>2003-02-17 20:46:52 +0000
commitb2740a3b0a55fa4eead5c952dabf435794d0dd7f (patch)
tree1db2f9b124652c3cf162f1a1d9c648ea224431f4 /linuxthreads/sysdeps/powerpc/tls.h
parent81b5057288217437017b42780d7814eb7b0744d5 (diff)
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Update.
2003-02-17 Kevin B. Hendricks <kevin.hendricks@sympatico.ca> Franz Sirl <Franz.Sirl-kernel@lauterbach.com> * sysdeps/powerpc/elf/libc-start.c: Handle NONTLS_INIT_TP. * sysdeps/powerpc/powerpc32/__longjmp.S: Remove R2 handling. * sysdeps/powerpc/powerpc32/setjmp.S: Likewise. * sysdeps/powerpc/powerpc32/fpu/__longjmp.S: Likewise. * sysdeps/powerpc/powerpc32/fpu/setjmp.S: Likewise.
Diffstat (limited to 'linuxthreads/sysdeps/powerpc/tls.h')
-rw-r--r--linuxthreads/sysdeps/powerpc/tls.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/linuxthreads/sysdeps/powerpc/tls.h b/linuxthreads/sysdeps/powerpc/tls.h
new file mode 100644
index 0000000000..5b234d9882
--- /dev/null
+++ b/linuxthreads/sysdeps/powerpc/tls.h
@@ -0,0 +1,63 @@
+/* Definitions for thread-local data handling. linuxthreads/PPC version.
+ 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. */
+
+#ifndef _TLS_H
+#define _TLS_H
+
+#ifndef __ASSEMBLER__
+
+# include <pt-machine.h>
+# include <stddef.h>
+
+/* Type for the dtv. */
+typedef union dtv
+{
+ size_t counter;
+ void *pointer;
+} dtv_t;
+
+typedef struct
+{
+ void *tcb; /* Pointer to the TCB. Not necessary the
+ thread descriptor used by libpthread. */
+ dtv_t *dtv;
+ void *self; /* Pointer to the thread descriptor. */
+ int multiple_threads;
+} tcbhead_t;
+
+#else /* __ASSEMBLER__ */
+# include <tcb-offsets.h>
+#endif /* __ASSEMBLER__ */
+
+#undef USE_TLS
+
+#if USE_TLS
+
+#else
+
+#define NONTLS_INIT_TP \
+ do { \
+ static const tcbhead_t nontls_init_tp \
+ = { .multiple_threads = 0 }; \
+ __thread_self = (__typeof (__thread_self)) &nontls_init_tp; \
+ } while (0)
+
+#endif /* USE_TLS */
+
+#endif /* tls.h */