ChangeLog bfd

2012-10-18  Kai Tietz  <ktietz@redhat.com>

	PR binutils/14067
	* coff-i386.c (bfd_target): Add section flag SEC_EXCLUDE.
	Allow BFD_COMPRESS and BFD_DECOMPRESS flags.
	* coff-x86_64.c: Likewise.
	* coffcode.h (DOT_ZDEBUG): New define.
	(sec_to_styp_flags): Check for .zdebug.
	(styp_to_sec_flags): Likewise.
	* coffgen.c (make_a_section): Handle .debug_* section
	compression/decompression flags.
	* cofflink.c (mark_relocs): Ignore relocations
	for a section, which isn't marked as used.
	(_bfd_coff_link_input_bfd): Add support of compressed
	debug sections.
	* compress.c (decompress_contents): Loop as long
	as there is input available and there is room for
	output.
	* bfd/pe-arm.c: Add .zdebug_ partial match entry.
	* pe-i386.c: Likewise.
	* pe-x86_64.c: Likewise.
	* peXXigen.c (_bfd_XXi_swap_aouthdr_out): Don't clear all
	data-directories as this might destroy content.

        * coff-i386.c (_bfd_generic_find_nearest_line_discriminator):
        define as coff_find_nearest_line_discriminator.
        * libcoff-in.h (coff_find_nearest_line_discriminator): New
        * libcoff.h: Regenerated.
        * coff-x86_64.c: Likewise.
        * coffgen.c (coff_find_nearest_line_discriminator): New function.
        prototype.

ChangeLog binutils

2012-10-18  Kai Tietz  <ktietz@redhat.com>

	* objdump.c (dump_bfd): Call dump headers after
	call of slurp_symtab.

ChangeLog ld

2012-10-18  Kai Tietz  <ktietz@redhat.com>

	PR binutils/14067
	* NEWS: Menition new feature.
	* scripttempl/pep.sc: Add zdebug sections.
	* scripttempl/pe.sc: L

1 files changed, 90 insertions, 2 deletions

diff --git a/bfd/coffgen.c b/bfd/coffgen.c
index 509119b075..584f64b57b 100644
--- a/bfd/coffgen.c
+++ b/bfd/coffgen.c
@@ -91,7 +91,7 @@ make_a_section_from_file (bfd *abfd,
              don't know the length of the string table.  */
 	  strings += strindex;
 	  name = (char *) bfd_alloc (abfd,
-                                     (bfd_size_type) strlen (strings) + 1);
+                                     (bfd_size_type) strlen (strings) + 1 + 1);
 	  if (name == NULL)
 	    return FALSE;
 	  strcpy (name, strings);
@@ -102,7 +102,7 @@ make_a_section_from_file (bfd *abfd,
     {
       /* Assorted wastage to null-terminate the name, thanks AT&T! */
       name = (char *) bfd_alloc (abfd,
-                                 (bfd_size_type) sizeof (hdr->s_name) + 1);
+                                 (bfd_size_type) sizeof (hdr->s_name) + 1 + 1);
       if (name == NULL)
 	return FALSE;
       strncpy (name, (char *) &hdr->s_name[0], sizeof (hdr->s_name));
@@ -146,6 +146,76 @@ make_a_section_from_file (bfd *abfd,
   if (hdr->s_scnptr != 0)
     return_section->flags |= SEC_HAS_CONTENTS;
 
+  /* Compress/decompress DWARF debug sections with names: .debug_* and
+     .zdebug_*, after the section flags is set.  */
+  if ((flags & SEC_DEBUGGING)
+      && ((name[1] == 'd' && name[6] == '_')
+	  || (name[1] == 'z' && name[7] == '_')))
+    {
+      enum { nothing, compress, decompress } action = nothing;
+      char *new_name = NULL;
+
+      if (bfd_is_section_compressed (abfd, return_section))
+	{
+	  /* Compressed section.  Check if we should decompress.  */
+	  if ((abfd->flags & BFD_DECOMPRESS))
+	    action = decompress;
+	}
+      else if (!bfd_is_section_compressed (abfd, return_section))
+	{
+	  /* Normal section.  Check if we should compress.  */
+	  if ((abfd->flags & BFD_COMPRESS) && return_section->size != 0)
+	    action = compress;
+	}
+
+      switch (action)
+	{
+	case nothing:
+	  break;
+	case compress:
+	  if (!bfd_init_section_compress_status (abfd, return_section))
+	    {
+	      (*_bfd_error_handler)
+		(_("%B: unable to initialize compress status for section %s"),
+		 abfd, name);
+	      return FALSE;
+	    }
+	  if (name[1] != 'z')
+	    {
+	      unsigned int len = strlen (name);
+
+	      new_name = bfd_alloc (abfd, len + 2);
+	      if (new_name == NULL)
+		return FALSE;
+	      new_name[0] = '.';
+	      new_name[1] = 'z';
+	      memcpy (new_name + 2, name + 1, len);
+	    }
+	  break;
+	case decompress:
+	  if (!bfd_init_section_decompress_status (abfd, return_section))
+	    {
+	      (*_bfd_error_handler)
+		(_("%B: unable to initialize decompress status for section %s"),
+		 abfd, name);
+	      return FALSE;
+	    }
+	  if (name[1] == 'z')
+	    {
+	      unsigned int len = strlen (name);
+
+	      new_name = bfd_alloc (abfd, len);
+	      if (new_name == NULL)
+		return FALSE;
+	      new_name[0] = '.';
+	      memcpy (new_name + 1, name + 2, len - 1);
+	    }
+	  break;
+	}
+      if (new_name != NULL)
+	bfd_rename_section (abfd, return_section, new_name);
+    }
+
   return result;
 }
 
@@ -2349,6 +2419,24 @@ coff_find_nearest_line (bfd *abfd,
 }
 
 bfd_boolean
+coff_find_nearest_line_discriminator (bfd *abfd,
+				      asection *section,
+				      asymbol **symbols,
+				      bfd_vma offset,
+				      const char **filename_ptr,
+				      const char **functionname_ptr,
+				      unsigned int *line_ptr,
+				      unsigned int *discriminator)
+{
+  *discriminator = 0;
+  return coff_find_nearest_line_with_names (abfd, dwarf_debug_sections,
+                                            section, symbols, offset,
+                                            filename_ptr, functionname_ptr,
+                                            line_ptr);
+}
+
+
+bfd_boolean
 coff_find_inliner_info (bfd *abfd,
 			const char **filename_ptr,
 			const char **functionname_ptr,