2011-01-14 Tobias Burnus <burnus@net-b.de>

[pf3gnuchains/gcc-fork.git] / gcc / libgcc2.c

diff --git a/gcc/libgcc2.c b/gcc/libgcc2.c
index 0966ac2..78d53f0 100644 (file)
--- a/gcc/libgcc2.c
+++ b/gcc/libgcc2.c
@@ -1,34 +1,29 @@
 /* More subroutines needed by GCC output code on some machines.  */
 /* Compile this one with gcc.  */
 /* Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-   2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008
+   2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
    Free Software Foundation, Inc.
 
 This file is part of GCC.
 
 GCC is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
+Software Foundation; either version 3, or (at your option) any later
 version.
 
-In addition to the permissions in the GNU General Public License, the
-Free Software Foundation gives you unlimited permission to link the
-compiled version of this file into combinations with other programs,
-and to distribute those combinations without any restriction coming
-from the use of this file.  (The General Public License restrictions
-do apply in other respects; for example, they cover modification of
-the file, and distribution when not linked into a combine
-executable.)
-
 GCC 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 General Public License
 for more details.
 
-You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING.  If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA.  */
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
 
 #include "tconfig.h"
 #include "tsystem.h"
@@ -41,15 +36,11 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
 #define ATTRIBUTE_HIDDEN
 #endif
 
-#ifndef MIN_UNITS_PER_WORD
-#define MIN_UNITS_PER_WORD UNITS_PER_WORD
-#endif
-
 /* Work out the largest "word" size that we can deal with on this target.  */
 #if MIN_UNITS_PER_WORD > 4
 # define LIBGCC2_MAX_UNITS_PER_WORD 8
 #elif (MIN_UNITS_PER_WORD > 2 \
-       || (MIN_UNITS_PER_WORD > 1 && LONG_LONG_TYPE_SIZE > 32))
+       || (MIN_UNITS_PER_WORD > 1 && __SIZEOF_LONG_LONG__ > 4))
 # define LIBGCC2_MAX_UNITS_PER_WORD 4
 #else
 # define LIBGCC2_MAX_UNITS_PER_WORD MIN_UNITS_PER_WORD
@@ -1807,7 +1798,7 @@ NAME (TYPE x, int m)
 #define isfinite(x)    __builtin_expect (!isnan((x) - (x)), 1)
 #define isinf(x)       __builtin_expect (!isnan(x) & !isfinite(x), 0)
 
-#define INFINITY       CONCAT2(__builtin_inf, CEXT) ()
+#define INFINITY       CONCAT2(__builtin_huge_val, CEXT) ()
 #define I              1i
 
 /* Helpers to make the following code slightly less gross.  */
@@ -2054,6 +2045,8 @@ __enable_execute_stack (void *addr __attribute__((__unused__)))
 /* Jump to a trampoline, loading the static chain address.  */
 
 #if defined(WINNT) && ! defined(__CYGWIN__)
+int getpagesize (void);
+int mprotect (char *,int, int);
 
 int
 getpagesize (void)
@@ -2068,7 +2061,7 @@ getpagesize (void)
 int
 mprotect (char *addr, int len, int prot)
 {
-  int np, op;
+  DWORD np, op;
 
   if (prot == 7)
     np = 0x40;
@@ -2082,6 +2075,8 @@ mprotect (char *addr, int len, int prot)
     np = 0x02;
   else if (prot == 0)
     np = 0x01;
+  else
+    return -1;
 
   if (VirtualProtect (addr, len, np, &op))
     return 0;