2009-04-10 Paolo Bonzini <bonzini@gnu.org>

[pf3gnuchains/gcc-fork.git] / gcc / unwind-dw2-fde-darwin.c

diff --git a/gcc/unwind-dw2-fde-darwin.c b/gcc/unwind-dw2-fde-darwin.c
index 12c9ed3..cd00ea2 100644 (file)
--- a/gcc/unwind-dw2-fde-darwin.c
+++ b/gcc/unwind-dw2-fde-darwin.c
@@ -1,10 +1,10 @@
-/* Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2001, 2002, 2003, 2005, 2009 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)
+   the Free Software Foundation; either version 3, or (at your option)
    any later version.
 
    GCC is distributed in the hope that it will be useful,
@@ -12,21 +12,19 @@
    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, 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, 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.
 
-/* As a special exception, if you link this library with other files,
-   some of which are compiled with GCC, to produce an executable,
-   this library does not by itself cause the resulting executable
-   to be covered by the GNU General Public License.
-   This exception does not however invalidate any other reasons why
-   the executable file might be covered by the GNU General Public License.  */
+   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/>.  */
 
 /* Locate the FDE entry for a given address, using Darwin's keymgr support.  */
 
 #include "tconfig.h"
+#include "tsystem.h"
 #include <string.h>
 #include <stdlib.h>
 #include "dwarf2.h"
@@ -59,9 +57,9 @@ extern void _keymgr_unlock_processwide_ptr (int);
 struct mach_header;
 struct mach_header_64;
 extern char *getsectdatafromheader (struct mach_header*, const char*,
-                       const char *, unsigned long *);
-extern char *getsectdatafromheader_64 (struct mach_header*, const char*,
-                       const char *, unsigned long *);
+                                   const char *, unsigned long *);
+extern char *getsectdatafromheader_64 (struct mach_header_64*, const char*,
+                                      const char *, unsigned long *);
 
 /* This is referenced from KEYMGR_GCC3_DW2_OBJ_LIST.  */
 struct km_object_info {
@@ -151,20 +149,19 @@ examine_objects (void *pc, struct dwarf_eh_bases *bases, int dont_alloc)
   for (; image != NULL; image = image->next)
     if ((image->examined_p & EXAMINED_IMAGE_MASK) == 0)
       {
-       char *fde;
+       char *fde = NULL;
        unsigned long sz;
 
-#ifdef __ppc64__
-       fde = getsectdatafromheader_64 ((struct mach_header_64 *) image->mh,
-                                    "__DATA", "__eh_frame", &sz);
-#else
+       /* For ppc only check whether or not we have __DATA eh frames.  */
+#ifdef __ppc__
        fde = getsectdatafromheader (image->mh, "__DATA", "__eh_frame", &sz);
 #endif
+
        if (fde == NULL)
          {
-#ifdef __ppc64__
+#if __LP64__
            fde = getsectdatafromheader_64 ((struct mach_header_64 *) image->mh,
-                                        "__TEXT", "__eh_frame", &sz);
+                                           "__TEXT", "__eh_frame", &sz);
 #else
            fde = getsectdatafromheader (image->mh, "__TEXT",
                                         "__eh_frame", &sz);
@@ -219,6 +216,7 @@ examine_objects (void *pc, struct dwarf_eh_bases *bases, int dont_alloc)
            if (result)
              {
                int encoding;
+               _Unwind_Ptr func;
 
                bases->tbase = ob->tbase;
                bases->dbase = ob->dbase;
@@ -228,8 +226,8 @@ examine_objects (void *pc, struct dwarf_eh_bases *bases, int dont_alloc)
                  encoding = get_fde_encoding (result);
                read_encoded_value_with_base (encoding,
                                              base_from_object (encoding, ob),
-                                             result->pc_begin,
-                                             (_Unwind_Ptr *)&bases->func);
+                                             result->pc_begin, &func);
+               bases->func = (void *) func;
                break;
              }
          }