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Community source repository for glibc add-on ports branch, master, updated. glibc-2.14-43-gf335e01


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      from  6dcecc64865ece5109260fd89d876c83b173e6d8 (commit)

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- Log -----------------------------------------------------------------
http://sources.redhat.com/git/gitweb.cgi?p=glibc-ports.git;a=commitdiff;h=f335e01fe1240ea3e4a3759e68f6585c51ffcda3

commit f335e01fe1240ea3e4a3759e68f6585c51ffcda3
Author: Andreas Schwab <schwab@linux-m68k.org>
Date:   Tue Nov 1 16:03:29 2011 +0100

    m68k: define stackinfo_get_sp, stackinfo_sub_sp

diff --git a/ChangeLog.m68k b/ChangeLog.m68k
index 09de159..42dcf75 100644
--- a/ChangeLog.m68k
+++ b/ChangeLog.m68k
@@ -1,3 +1,8 @@
+2011-11-01  Andreas Schwab  <schwab@linux-m68k.org>
+
+	* sysdeps/m68k/stackinfo.h (stackinfo_get_sp, stackinfo_sub_sp):
+	Define.
+
 2011-10-26  Andreas Schwab  <schwab@linux-m68k.org>
 
 	* sysdeps/m68k/m680x0/fpu/math_private.h: New file.
diff --git a/sysdeps/m68k/stackinfo.h b/sysdeps/m68k/stackinfo.h
index b44d4d0..bcfdb12 100644
--- a/sysdeps/m68k/stackinfo.h
+++ b/sysdeps/m68k/stackinfo.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999, 2010 Free Software Foundation, Inc.
+/* Copyright (C) 1999, 2010, 2011 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
@@ -31,4 +31,12 @@
    is present, but it is presumed absent.  */
 #define DEFAULT_STACK_PERMS (PF_R|PF_W|PF_X)
 
+/* Access to the stack pointer.  */
+#define stackinfo_get_sp() \
+  ({ void *p__; asm volatile ("move.l %%sp, %0" : "=r" (p__)); p__; })
+#define stackinfo_sub_sp(ptr) \
+  ({ ptrdiff_t d__;						\
+     asm volatile ("sub.l %%sp, %0" : "=r" (d__) : "0" (ptr));	\
+     d__; })
+
 #endif	/* stackinfo.h */

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

Summary of changes:
 ChangeLog.m68k           |    5 +++++
 sysdeps/m68k/stackinfo.h |   10 +++++++++-
 2 files changed, 14 insertions(+), 1 deletions(-)


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