[Commits] r15663 - in /fsf/trunk/ports: ChangeLog.m68k sysdeps/m68k/stackinfo.h

[eglibc@xxxxxxxxxx]

Author: eglibc
Date: Wed Nov  2 00:05:30 2011
New Revision: 15663

Log:
Import glibc-ports-mainline for 2011-11-02

Modified:
    fsf/trunk/ports/ChangeLog.m68k
    fsf/trunk/ports/sysdeps/m68k/stackinfo.h

Modified: fsf/trunk/ports/ChangeLog.m68k
==============================================================================
--- fsf/trunk/ports/ChangeLog.m68k (original)
+++ fsf/trunk/ports/ChangeLog.m68k Wed Nov  2 00:05:30 2011
@@ -1,3 +1,8 @@
+2011-11-01  Andreas Schwab  <schwab@xxxxxxxxxxxxxx>
+
+	* sysdeps/m68k/stackinfo.h (stackinfo_get_sp, stackinfo_sub_sp):
+	Define.
+
 2011-10-26  Andreas Schwab  <schwab@xxxxxxxxxxxxxx>
 
 	* sysdeps/m68k/m680x0/fpu/math_private.h: New file.

Modified: fsf/trunk/ports/sysdeps/m68k/stackinfo.h
==============================================================================
--- fsf/trunk/ports/sysdeps/m68k/stackinfo.h (original)
+++ fsf/trunk/ports/sysdeps/m68k/stackinfo.h Wed Nov  2 00:05:30 2011
@@ -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 */

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