Merge ^vendor/binutils/dist@214082 into contrib/binutils.

1 files changed, 195 insertions, 7 deletions

diff --git a/contrib/binutils/bfd/libbfd.c b/contrib/binutils/bfd/libbfd.c
index be090e9..57cfabc 100644
--- a/contrib/binutils/bfd/libbfd.c
+++ b/contrib/binutils/bfd/libbfd.c
@@ -1,6 +1,6 @@
 /* Assorted BFD support routines, only used internally.
    Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-   2000, 2001, 2002, 2003, 2004
+   2000, 2001, 2002, 2003, 2004, 2005
    Free Software Foundation, Inc.
    Written by Cygnus Support.
 
@@ -18,7 +18,7 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
 
 #include "bfd.h"
 #include "sysdep.h"
@@ -30,6 +30,9 @@
 
 /*
 SECTION
+	Implementation details
+
+SUBSECTION
 	Internal functions
 
 DESCRIPTION
@@ -156,6 +159,36 @@ bfd_malloc (bfd_size_type size)
   return ptr;
 }
 
+/* Allocate memory using malloc, nmemb * size with overflow checking.  */
+
+void *
+bfd_malloc2 (bfd_size_type nmemb, bfd_size_type size)
+{
+  void *ptr;
+
+  if ((nmemb | size) >= HALF_BFD_SIZE_TYPE
+      && size != 0
+      && nmemb > ~(bfd_size_type) 0 / size)
+    {
+      bfd_set_error (bfd_error_no_memory);
+      return NULL;
+    }
+
+  size *= nmemb;
+
+  if (size != (size_t) size)
+    {
+      bfd_set_error (bfd_error_no_memory);
+      return NULL;
+    }
+
+  ptr = malloc ((size_t) size);
+  if (ptr == NULL && (size_t) size != 0)
+    bfd_set_error (bfd_error_no_memory);
+
+  return ptr;
+}
+
 /* Reallocate memory using realloc.  */
 
 void *
@@ -180,6 +213,40 @@ bfd_realloc (void *ptr, bfd_size_type size)
   return ret;
 }
 
+/* Reallocate memory using realloc, nmemb * size with overflow checking.  */
+
+void *
+bfd_realloc2 (void *ptr, bfd_size_type nmemb, bfd_size_type size)
+{
+  void *ret;
+
+  if ((nmemb | size) >= HALF_BFD_SIZE_TYPE
+      && size != 0
+      && nmemb > ~(bfd_size_type) 0 / size)
+    {
+      bfd_set_error (bfd_error_no_memory);
+      return NULL;
+    }
+
+  size *= nmemb;
+
+  if (size != (size_t) size)
+    {
+      bfd_set_error (bfd_error_no_memory);
+      return NULL;
+    }
+
+  if (ptr == NULL)
+    ret = malloc ((size_t) size);
+  else
+    ret = realloc (ptr, (size_t) size);
+
+  if (ret == NULL && (size_t) size != 0)
+    bfd_set_error (bfd_error_no_memory);
+
+  return ret;
+}
+
 /* Allocate memory using malloc and clear it.  */
 
 void *
@@ -205,6 +272,44 @@ bfd_zmalloc (bfd_size_type size)
 
   return ptr;
 }
+
+/* Allocate memory using malloc (nmemb * size) with overflow checking
+   and clear it.  */
+
+void *
+bfd_zmalloc2 (bfd_size_type nmemb, bfd_size_type size)
+{
+  void *ptr;
+
+  if ((nmemb | size) >= HALF_BFD_SIZE_TYPE
+      && size != 0
+      && nmemb > ~(bfd_size_type) 0 / size)
+    {
+      bfd_set_error (bfd_error_no_memory);
+      return NULL;
+    }
+
+  size *= nmemb;
+
+  if (size != (size_t) size)
+    {
+      bfd_set_error (bfd_error_no_memory);
+      return NULL;
+    }
+
+  ptr = malloc ((size_t) size);
+
+  if ((size_t) size != 0)
+    {
+      if (ptr == NULL)
+	bfd_set_error (bfd_error_no_memory);
+      else
+	memset (ptr, 0, (size_t) size);
+    }
+
+  return ptr;
+}
+
 /*
 INTERNAL_FUNCTION
 	bfd_write_bigendian_4byte_int
@@ -692,10 +797,12 @@ _bfd_generic_get_section_contents (bfd *abfd,
 				   file_ptr offset,
 				   bfd_size_type count)
 {
+  bfd_size_type sz;
   if (count == 0)
     return TRUE;
 
-  if (offset + count > section->_raw_size)
+  sz = section->rawsize ? section->rawsize : section->size;
+  if (offset + count > sz)
     {
       bfd_set_error (bfd_error_invalid_operation);
       return FALSE;
@@ -717,6 +824,8 @@ _bfd_generic_get_section_contents_in_window
    bfd_size_type count ATTRIBUTE_UNUSED)
 {
 #ifdef USE_MMAP
+  bfd_size_type sz;
+
   if (count == 0)
     return TRUE;
   if (abfd->xvec->_bfd_get_section_contents
@@ -744,7 +853,8 @@ _bfd_generic_get_section_contents_in_window
       w->data = w->i->data;
       return bfd_get_section_contents (abfd, section, w->data, offset, count);
     }
-  if (offset + count > section->_raw_size
+  sz = section->rawsize ? section->rawsize : section->size;
+  if (offset + count > sz
       || ! bfd_get_file_window (abfd, section->filepos + offset, count, w,
 				TRUE))
     return FALSE;
@@ -818,11 +928,11 @@ _bfd_generic_verify_endian_match (bfd *ibfd, bfd *obfd)
       const char *msg;
 
       if (bfd_big_endian (ibfd))
-	msg = _("%s: compiled for a big endian system and target is little endian");
+	msg = _("%B: compiled for a big endian system and target is little endian");
       else
-	msg = _("%s: compiled for a little endian system and target is big endian");
+	msg = _("%B: compiled for a little endian system and target is big endian");
 
-      (*_bfd_error_handler) (msg, bfd_archive_filename (ibfd));
+      (*_bfd_error_handler) (msg, ibfd);
 
       bfd_set_error (bfd_error_wrong_format);
       return FALSE;
@@ -855,3 +965,81 @@ warn_deprecated (const char *what,
       mask |= ~(size_t) func;
     }
 }
+
+/* Helper function for reading uleb128 encoded data.  */
+
+bfd_vma
+read_unsigned_leb128 (bfd *abfd ATTRIBUTE_UNUSED,
+		      bfd_byte *buf,
+		      unsigned int *bytes_read_ptr)
+{
+  bfd_vma result;
+  unsigned int num_read;
+  unsigned int shift;
+  unsigned char byte;
+
+  result = 0;
+  shift = 0;
+  num_read = 0;
+  do
+    {
+      byte = bfd_get_8 (abfd, buf);
+      buf++;
+      num_read++;
+      result |= (((bfd_vma) byte & 0x7f) << shift);
+      shift += 7;
+    }
+  while (byte & 0x80);
+  *bytes_read_ptr = num_read;
+  return result;
+}
+
+/* Helper function for reading sleb128 encoded data.  */
+
+bfd_signed_vma
+read_signed_leb128 (bfd *abfd ATTRIBUTE_UNUSED,
+		    bfd_byte *buf,
+		    unsigned int *bytes_read_ptr)
+{
+  bfd_vma result;
+  unsigned int shift;
+  unsigned int num_read;
+  unsigned char byte;
+
+  result = 0;
+  shift = 0;
+  num_read = 0;
+  do
+    {
+      byte = bfd_get_8 (abfd, buf);
+      buf ++;
+      num_read ++;
+      result |= (((bfd_vma) byte & 0x7f) << shift);
+      shift += 7;
+    }
+  while (byte & 0x80);
+  if (shift < 8 * sizeof (result) && (byte & 0x40))
+    result |= (((bfd_vma) -1) << shift);
+  *bytes_read_ptr = num_read;
+  return result;
+}
+
+bfd_boolean
+_bfd_generic_find_line (bfd *abfd ATTRIBUTE_UNUSED,
+		       asymbol **symbols ATTRIBUTE_UNUSED,
+		       asymbol *symbol ATTRIBUTE_UNUSED,
+		       const char **filename_ptr ATTRIBUTE_UNUSED,
+		       unsigned int *linenumber_ptr ATTRIBUTE_UNUSED)
+{
+  return FALSE;
+}
+
+bfd_boolean
+_bfd_generic_init_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED,
+					asection *isec ATTRIBUTE_UNUSED,
+					bfd *obfd ATTRIBUTE_UNUSED,
+					asection *osec ATTRIBUTE_UNUSED,
+					struct bfd_link_info *link_info ATTRIBUTE_UNUSED)
+{
+  return TRUE;
+}