GNU C Library master sources branch, master, updated. glibc-2.15-844-g60d45b3

[hjl at sourceware dot org]

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".

The branch, master has been updated
       via  60d45b36a5cf5befde06d44424c720edf1f88244 (commit)
      from  842b81d6113b45c9a10a93dd8415639c414df946 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=60d45b36a5cf5befde06d44424c720edf1f88244

commit 60d45b36a5cf5befde06d44424c720edf1f88244
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Fri May 11 14:33:12 2012 -0700

    Add sysdeps/x86_64/x32/tls.h

diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index bf648a3..49e42ef 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,5 +1,9 @@
 2012-05-11  H.J. Lu  <hongjiu.lu@intel.com>
 
+	* sysdeps/x86_64/x32/tls.h: New file.
+
+2012-05-11  H.J. Lu  <hongjiu.lu@intel.com>
+
 	* sysdeps/x86_64/tls.h (THREAD_SETMEM): Use uint64_t on 64-bit
 	integer.
 	(THREAD_SETMEM_NC): Likewise.
diff --git a/nptl/sysdeps/x86_64/x32/tls.h b/nptl/sysdeps/x86_64/x32/tls.h
new file mode 100644
index 0000000..6cc0ea7
--- /dev/null
+++ b/nptl/sysdeps/x86_64/x32/tls.h
@@ -0,0 +1,46 @@
+/* Definition for thread-local data handling.  nptl/x32 version.
+   Copyright (C) 2012 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _X32_TLS_H
+#define _X32_TLS_H	1
+
+#include <sysdeps/x86_64/tls.h>
+
+#ifndef __ASSEMBLER__
+
+/* X32 doesn't support 32-bit indirect call via memory.  Instead, we
+   load 32-bit address from memory into the lower 32bits of return
+   register, which will automatically zero-extend the uppper 32-bits
+   of return register.  We then do the indirect call via 64-bit return
+   register.  */
+# undef CALL_THREAD_FCT
+# define CALL_THREAD_FCT(descr) \
+  ({ void *__res;							      \
+     asm volatile ("movl %%fs:%P2, %%edi\n\t"				      \
+		   "movl %%fs:%P1, %k0\n\t"				      \
+		   "callq *%q0"						      \
+		   : "=a" (__res)					      \
+		   : "i" (offsetof (struct pthread, start_routine)),	      \
+		     "i" (offsetof (struct pthread, arg))		      \
+		   : "di", "si", "cx", "dx", "r8", "r9", "r10", "r11",	      \
+		     "memory", "cc");					      \
+     __res; })
+
+#endif /* __ASSEMBLER__ */
+
+#endif	/* x32/tls.h */

-----------------------------------------------------------------------

Summary of changes:
 nptl/ChangeLog                |    4 +++
 nptl/sysdeps/x86_64/x32/tls.h |   46 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 50 insertions(+), 0 deletions(-)
 create mode 100644 nptl/sysdeps/x86_64/x32/tls.h


hooks/post-receive
-- 
GNU C Library master sources