bfd/

	* Makefile.am (BFD32_LIBS): Add compress.lo.
	(BFD32_LIBS_CFILES): Add compress.c.
	(BFD_H_FILES): Likewise.
	* Makefile.in: Regenerate.
	* bfd-in2.h: Regenerate.
	* config.in: Add HAVE_ZLIB_H
	* configure.in: Add test for libz and zlib.h
	* configure: Regenerate.
	* dwarf2.c (read_section): New function.
	(read_indirect_string): Call new function read_section.
	(read_abbrevs): Likewise.
	(decode_line_info): Likewise.
	(read_debug_ranges): Likewise.
	(find_line): Call new function read_section when just one
	.zdebug_info section is found, otherwise read and compress
	multiple sections.
	(_bfd_dwarf2_cleanup_debug_info): Free sec_info_ptr.
	* elf.c (_bfd_elf_make_section_from_shdr): Add zdebug prefix.
	(special_sections_z): New struct.
	(special_sections): Refer to special_sections_z.
	* elfxx-mips.c (_bfd_mips_elf_section_from_shdr): Recognize
	sections named .zdebug_*.
	(_bfd_mips_elf_fake_sections): Likewise.
	* compress.c: New file.
	(bfd_uncompress_section_contents): New function.
bfd/doc/
	* Makefile.am (BFD_H_DEP): Add ../compress.c.
	* Makefile.in: Regenerate.
binutils/
	* config.in: Add HAVE_ZLIB_H
	* configure.in: Add test for libz and zlib.h
	* configure: Regenerate.
	* dwarf.c (debug_displays): Add .zdebug_* strings.
	* dwarf.h (struct dwarf_section): Add fields uncompressed_namd
	and compressed_name.
	* objdump.c (load_debug_section): Call
	bfd_uncompress_section_contents when loading a compressed
	section.
	(dump_dwarf_section): Recognize compressed section name.
	(mach_o_dwarf_sections): Rename as
	mach_o_uncompressed_dwarf_sections.
	(mach_o_compressed_dwarf_sections): New variable.
	(generic_dwarf_section): Rename as
	generic_uncompressed_dwarf_sections.
	(generic_compressed_dwarf_sections): New variable.
	(check_mach_o_dwarf): Save and restore
	mach_o_compressed_dwarf_sections.
	* readelf.c: Add #include for config.h and zlib.h
	(process_section_headers): Recognize compressed section name.
	(uncompress_section_contents): New function.
	(load_debug_section): Call uncompress_section_contents when
	loading a compressed section.
	(display_debug_section): Recognize compressed section name.
binutils/testsuite:
	* binutils-all/objdump.exp: Add test for objdump -s on a file
	with a compressed debug section.  Add test for objdump -W on a
	file that contains a compressed debug section.
	* binutils-all/readelf.exp: Call readelf_compressed_wa_test.
	(readelf_compressed_wa_test): New function.
	* binutils-all/dw2-compressed.S: New file.
	* binutils-all/objdump.W: New file.
	* binutils-all/objdump.s: New file.
	* binutils-all/readelf.wa: New file.

1 files changed, 24 insertions, 2 deletions

diff --git a/bfd/elf.c b/bfd/elf.c
index 28a593f..d65c78d 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -890,7 +890,14 @@ _bfd_elf_make_section_from_shdr (bfd *abfd,
 	  { NULL,		 0  },	/* 'p' */
 	  { NULL,		 0  },	/* 'q' */
 	  { NULL,		 0  },	/* 'r' */
-	  { STRING_COMMA_LEN ("stab") }	/* 's' */
+	  { STRING_COMMA_LEN ("stab") },	/* 's' */
+	  { NULL,		 0  },	/* 't' */
+	  { NULL,		 0  },	/* 'u' */
+	  { NULL,		 0  },	/* 'v' */
+	  { NULL,		 0  },	/* 'w' */
+	  { NULL,		 0  },	/* 'x' */
+	  { NULL,		 0  },	/* 'y' */
+	  { STRING_COMMA_LEN ("zdebug") }	/* 'z' */
 	};
 
       if (name [0] == '.')
@@ -2119,6 +2126,15 @@ static const struct bfd_elf_special_section special_sections_t[] =
   { NULL,                     0,  0, 0,            0 }
 };
 
+static const struct bfd_elf_special_section special_sections_z[] =
+{
+  { STRING_COMMA_LEN (".zdebug_line"),    0, SHT_PROGBITS, 0 },
+  { STRING_COMMA_LEN (".zdebug_info"),    0, SHT_PROGBITS, 0 },
+  { STRING_COMMA_LEN (".zdebug_abbrev"),  0, SHT_PROGBITS, 0 },
+  { STRING_COMMA_LEN (".zdebug_aranges"), 0, SHT_PROGBITS, 0 },
+  { NULL,                     0,  0, 0,            0 }
+};
+
 static const struct bfd_elf_special_section *special_sections[] =
 {
   special_sections_b,		/* 'b' */
@@ -2140,6 +2156,12 @@ static const struct bfd_elf_special_section *special_sections[] =
   special_sections_r,		/* 'r' */
   special_sections_s,		/* 's' */
   special_sections_t,		/* 't' */
+  NULL,				/* 'u' */
+  NULL,				/* 'v' */
+  NULL,				/* 'w' */
+  NULL,				/* 'x' */
+  NULL,				/* 'y' */
+  special_sections_z		/* 'z' */
 };
 
 const struct bfd_elf_special_section *
@@ -2216,7 +2238,7 @@ _bfd_elf_get_sec_type_attr (bfd *abfd, asection *sec)
     return NULL;
 
   i = sec->name[1] - 'b';
-  if (i < 0 || i > 't' - 'b')
+  if (i < 0 || i > 'z' - 'b')
     return NULL;
 
   spec = special_sections[i];