libpthread/nptl: core of the "Native Posix Threading Library" for uClibc

targetting arm,sh,i386,mips,sparc for now

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/libpthread/nptl/sysdeps/powerpc/dl-tls.h b/libpthread/nptl/sysdeps/powerpc/dl-tls.h
new file mode 100644
index 000000000..957d4b4b9
--- /dev/null
+++ b/libpthread/nptl/sysdeps/powerpc/dl-tls.h
@@ -0,0 +1,49 @@
+/* Thread-local storage handling in the ELF dynamic linker.  PowerPC 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.  */
+
+
+/* Type used for the representation of TLS information in the TOC.  */
+typedef struct
+{
+  unsigned long int ti_module;
+  unsigned long int ti_offset;
+} tls_index;
+
+/* The thread pointer points 0x7000 past the first static TLS block.  */
+#define TLS_TP_OFFSET		0x7000
+
+/* Dynamic thread vector pointers point 0x8000 past the start of each
+   TLS block.  */
+#define TLS_DTV_OFFSET		0x8000
+
+/* Compute the value for a @tprel reloc.  */
+#define TLS_TPREL_VALUE(sym_map, sym, reloc) \
+  ((sym_map)->l_tls_offset + (sym)->st_value + (reloc)->r_addend \
+   - TLS_TP_OFFSET)
+
+/* Compute the value for a @dtprel reloc.  */
+#define TLS_DTPREL_VALUE(sym, reloc) \
+  ((sym)->st_value + (reloc)->r_addend - TLS_DTV_OFFSET)
+
+#ifdef SHARED
+extern void *__tls_get_addr (tls_index *ti);
+
+# define GET_ADDR_OFFSET	(ti->ti_offset + TLS_DTV_OFFSET)
+# define __TLS_GET_ADDR(__ti)	(__tls_get_addr (__ti) - TLS_DTV_OFFSET)
+#endif