src/ChangeLog

2006-06-09  Ulrich Drepper  <drepper@redhat.com>

	* i386_ld.c (elf_i386_finalize_plt): Don't change symbol table entries
	for PLT entries if there is no local definition.

	* ld.c (parse_option): Handle -z ignore like --as-needed and
	-z record like --no-as-needed.
	* ld.h (struct ld_state): Remove ignore_unused_dsos field.
	* ldgeneric.c (new_generated_scn): Always compute ndt_needed by
	looping over DSOs.  When deciding about adding DT_NEEDED entries
	use ->as_needed instead of ignore_unused_dsos.

2006-05-31  Ulrich Drepper  <drepper@redhat.com>

	* ld.c: Recognize --as-needed and --no-as-needed options.
	* ld.h (struct usedfile): Add as_needed field.
	(struct ld_state): Likewise.
	* ldgeneric.c (ld_handle_filename_list): Copy as_needed flag from
	the list.
	* ldscript.y (filename_id_list): Split to correctly parse all
	combinations.
	(mark_as_needed): Fix loop.

2006-05-27  Ulrich Drepper  <drepper@redhat.com>

	* readelf.c (handle_relocs_rela): Better notations for addon value.
	(print_ehdr): Distinguish e_ident[EI_VERSION] from e_version.

2006-04-04  Ulrich Drepper  <drepper@redhat.com>

	* addr2line.c: Update copyright year.
	* elfcmp.c: Likewise.
	* elflint.c: Likewise.
	* findtextrel.c: Likewise.
	* ld.c: Likewise.
	* nm.c: Likewise.
	* objdump.c: Likewise.
	* ranlib.c: Likewise.
	* readelf.c: Likewise.
	* size.c: Likewise.
	* strings.c: Likewise.
	* strip.c: Likewise.

2006-03-09  Roland McGrath  <roland@redhat.com>

	* Makefile.am (AM_LDFLAGS): New variable.

2006-03-01  Roland McGrath  <roland@redhat.com>

	* readelf.c (dwarf_tag_string, dwarf_attr_string): Update name tables
	for dwarf.h changes matching 3.0 spec.
	(dwarf_encoding_string, dwarf_lang_string, print_ops): Likewise.

2005-12-04  Ulrich Drepper  <drepper@redhat.com>

	* elflint.c (check_one_reloc): If relocation section is not loaded,
	don't check whether the relocations modify read-only sections or
	loaded and unloaded sections.

2005-11-28  Ulrich Drepper  <drepper@redhat.com>

	* elflint.c (check_one_reloc): Take additional parameters.  Use
	them to determine whether relocation is valid in this type of
	file.  DSOs and executables can contain relocation sections in
	unloaded sections which just show the relocations the linker
	applied.  Adjust all callers.
	(check_program_header): Check that PT_PHDR is loaded and that offset
	matches the one in the ELF header.

2005-10-26  Roland McGrath  <roland@redhat.com>

	* nm.c (get_var_range): dwarf_getloclist -> dwarf_getlocation.

2005-09-03  Ulrich Drepper  <drepper@redhat.com>

	* strip.c (handle_elf): Unify some error messages.
	* ld.c (main): Likewise.
	* ldgeneric.c (open_elf): Likewise.
	* elfcmp.c (main): Likewise.
	* elflint.c (check_elf_header): Likewise.

	* size.c (process_file): Fix typo in error message.

	* readelf.c: Lots of little cleanups.  Use _unlocked functions.

2005-09-02  Ulrich Drepper  <drepper@redhat.com>

	* strings.c (main): Reset elfmap variable after munmap call.
	[_MUDFLAP] (map_file): Simplify mudflap debugging by not using mmap.

2005-08-28  Ulrich Drepper  <drepper@redhat.com>

	* ranlib.c: Don't define pread_retry and write_retry here.

	* Makefile.an [BUILD_STATIC] (libdw): Add -ldl.
	(CLEANFILES): Add *.gcno *.gcda *.gconv.

	* strings.c (process_chunk): Reorder expressions in conditional
	(process_chunk_mb): Likewise.

	* strings.c: New file.
	* Makefile.am (bin_PROGRAMS): Add strings.
	(strings_no_Wstring): Define.
	(strings_LDADD): Define.

2005-08-27  Roland McGrath  <roland@redhat.com>

	* addr2line.c (dwarf_diename_integrate): Function removed.
	(print_dwarf_function): Use plain dwarf_diename.

2005-08-24  Ulrich Drepper  <drepper@redhat.com>

	* elflint.c (check_versym): Versioned symbols should not have
	local binding.

2005-08-15  Ulrich Drepper  <drepper@redhat.com>

	* elflint.c (check_versym): Allow VER_NDX_LOCAL symbols to be
	undefined.

	* Makefile.am: Add rules to build ranlib.
	* ranlib.c: New file.

2005-08-14  Roland McGrath  <roland@redhat.com>

	* elflint.c (check_sections): Use ebl_section_type_name and allow any
	sh_type it recognizes.

	* elflint.c (check_sections): Print unknown flags in hex, don't
	truncate high bits.  Print section number and name for unknown type.

2005-08-13  Roland McGrath  <roland@redhat.com>

	* elflint.c (check_program_header): Use ebl_segment_type_name and
	allow any p_type it recognizes.  Include p_type value in error
	message for unknown type.

2005-08-13  Ulrich Drepper  <drepper@redhat.com>

	* elflint.c (check_symtab): Simplify last change a bit.  Pass ehdr
	to ebl_check_special_symbol.
	(check_sections): Pass ehdr to ebl_bss_plt_p.

2005-08-12  Roland McGrath  <roland@redhat.com>

	* elflint.c (check_symtab): Check that _GLOBAL_OFFSET_TABLE_ st_shndx
	refers to the right section if it's not SHN_ABS.
	Let ebl_check_special_symbol override _G_O_T_ value and size checks.

	* elflint.c (check_sections): Don't complain about a non-NOBITS
	section taking no segment space, if it's sh_size is 0.

	* elflint.c (check_sections): Use ebl_bss_plt_p to see if .plt should
	be PROGBITS or NOBITS.

	* elflint.c (check_symtab): Use ebl_check_special_symbol to override
	standard st_value and st_size checks.

2005-07-28  Roland McGrath  <roland@redhat.com>

	* addr2line.c (options, parse_opt): Don't handle -e here.
	(executable): Variable removed.
	(argp_children): New static variable.
	(argp): Use it.  Make const.
	(main): Fill in argp_children from dwfl_standard_argp ().
	Let libdwfl handle file selection, pass Dwfl handle to handle_address.
	(print_dwarf_function): New function.  Try to figure out inline chain.
	(elf_getname): Function removed, libdwfl does it for us.
	(handle_address): Take Dwfl handle instead of Elf, Dwarf handles.
	Use dwfl_module_addrname instead of elf_getname.
	Use dwfl_module_getsrc and dwfl_lineinfo instead of libdw calls.
	* Makefile.am (INCLUDES): Add libdwfl directory to path.

2005-08-10  Ulrich Drepper  <drepper@redhat.com>

	* strip.c (parse_opt): STATE parameter is now used.
	Various little cleanups.

	* readelf.c (print_debug_line_section): Correct fallout of renaming
	of DW_LNS_set_epilog_begin.

2005-08-08  Roland McGrath  <roland@redhat.com>

	* strip.c (options, parse_opt): Grok -R .comment for compatibility
	with binutils strip.  Likewise -d, -S, as aliases for -g.
	Likewise ignore -s/--strip-all.

2005-08-07  Roland McGrath  <roland@redhat.com>

	* strip.c (process_file): Open read-only when using a different output
	file.

2005-08-06  Ulrich Drepper  <drepper@redhat.com>

	* elflint.c (in_nobits_scn): New function.
	(check_versym): Allow references for defined symbols against versions
	of other DSOs also for symbols in nobits sections.
	Move a few variables around.

	* Makefile.am (AM_CFLAGS): Avoid duplication.
	Link with statis libs if BUILD_STATIC.

2005-08-05  Ulrich Drepper  <drepper@redhat.com>

	* elflint.c: Many, many more tests.  Mostly related to symbol
	versioning.  Those sections should now be completely checked.

	* readelf.c (print_dynamic): Use gelf_offscn.

2005-08-04  Ulrich Drepper  <drepper@redhat.com>

	* elflint.c: Add lots more tests: more extension symbol table sanity,
	versioning section tests, hash table tests.  General cleanup.

2005-08-02  Ulrich Drepper  <drepper@redhat.com>

	* objdump.c: New file.
	* Makefile.am (bin_PROGRAMS): Add objdump.
	(objdump_LDADD): Define.

	* elflint.c (check_reloc_shdr): New function split out from check_rela
	and check_rel.
	(check_one_reloc): New function.  Likewise.
	(check_rela): Use check_reloc_shdr and check_one_reloc.
	(check_rel): Likewise.
	(check_program_header): Check that PT_DYNAMIC entry matches .dynamic
	section.
	Add checks that relocations against read-only segments are flagged,
	that the text relocation flag is not set unnecessarily, and that
	relocations in one section are either against loaded or not-loaded
	segments.

2005-08-01  Ulrich Drepper  <drepper@redhat.com>

	* elfcmp.c (main): Ignore section count and section name string table
	section index.

2005-07-27  Roland McGrath  <roland@redhat.com>

	* elfcmp.c: Include <locale.h>.

2005-07-27  Ulrich Drepper  <drepper@redhat.com>

	* elfcmp.c: Print name and index of differing section.

2005-07-24  Ulrich Drepper  <drepper@redhat.com>

	* elfcmp.c: Implement comparing gaps between sections.

2005-07-23  Ulrich Drepper  <drepper@redhat.com>

	* elflint.c: Include libeblP.h instead of libebl.h.
	* nm.c: Likewise.
	* readelf.c: Likewise.
	* elfcmp.c: Likewise.

	* elfcmp.c (main): Compare individual ELF header fields, excluding
	e_shoff instead of the whole struct at once.
	Use ebl_section_strip_p instead of SECTION_STRIP_P.
	* strip.c: Use ebl_section_strip_p instead of SECTION_STRIP_P.

2005-07-22  Ulrich Drepper  <drepper@redhat.com>

	* elfcmp.c (main): Take empty section into account when comparing
	section content.

	* elflint.c (check_dynamic): Check that d_tag value is >= 0 before
	using it.

2005-07-21  Ulrich Drepper  <drepper@redhat.com>

	* elfcmp.c: New file.
	* Makefile.am (bin_PROGRAMS): Add elfcmp.
	(elfcmp_LDADD): Define.

	* elflint.c (check_rela): Check that copy relocations only reference
	object symbols or symbols with unknown type.
	(check_rel): Likewise.

2005-06-08  Roland McGrath  <roland@redhat.com>

	* readelf.c (print_ops): Add consts.

2005-05-31  Roland McGrath  <roland@redhat.com>

	* readelf.c (print_debug_abbrev_section): Don't bail after first CU's
	abbreviations.  Print a header line before each CU section.

	* readelf.c (print_debug_loc_section): Fix indentation for larger
	address size.

2005-05-30  Roland McGrath  <roland@redhat.com>

	* readelf.c (print_debug_line_section): Print section offset of each
	CU's table, so they are easy to find from seeing the stmt_list value.

	* readelf.c (dwarf_attr_string): Add all attributes in <dwarf.h>.
	(attr_callback): Grok DW_AT_ranges and print offset in hex.

	* readelf.c (attr_callback): Add 2 to addrsize * 2 for %#0* format.
	(print_debug_ranges_section, print_debug_loc_section): Likewise.

	* readelf.c (print_ops): Take different args for indentation control.
	(attr_callback): Caller updated.
	Grok several more block-form attributes as being location expressions.
	For those same attributes with udata forms, format output differently
	for location list offset.
	(print_debug_loc_section): Implement it for real.

	* readelf.c (options): Mention ranges for --debug-dump.
	(enum section_e): Add section_ranges.
	(parse_opt): Grok "ranges" for -w/--debug-dump.
	(print_debug_ranges_section): New function.
	(print_debug): Handle .debug_ranges section.

2005-05-30  Ulrich Drepper  <drepper@redhat.com>

	* readelf.c (handle_notes): At least x86-64 need not have the note
	section values aligned to 8 bytes.

2005-05-18  Ulrich Drepper  <drepper@redhat.com>

	* readelf.c (dwarf_tag_string): Add new tags.

2005-05-08  Roland McGrath  <roland@redhat.com>

	* strip.c (handle_elf): Don't translate hash and versym data formats,
	elf_getdata already did it for us.

2005-05-07  Ulrich Drepper  <drepper@redhat.com>

	* Makefile.am (findtextrel_LDADD): Add $(libmudflap).
	(addr2line_LDADD): Likewise.

2005-05-03  Roland McGrath  <roland@redhat.com>

	* strip.c (handle_elf): Apply symbol table fixups to discarded
	relocation sections when they are being saved in the debug file.

	* strip.c (handle_elf): Pass EHDR->e_ident[EI_DATA] to gelf_xlatetom
	and gelf_xlatetof, not the native byte order.

	* strip.c (parse_opt): Give error if -f or -o is repeated.
	(main): Exit if argp_parse returns nonzero.

	* strip.c (debug_fname_embed): New variable.
	(options, parse_opt): New option -F to set it.

2005-05-07  Ulrich Drepper  <drepper@redhat.com>

	* readelf.c (parse_opt): Make any_control_option variable
	local.  Simplify some tests.

2005-05-03  Roland McGrath  <roland@redhat.com>

	* strip.c (crc32_file): Function removed (now in ../lib).

2005-05-03  Roland McGrath  <roland@redhat.com>

	* elflint.c (is_debuginfo): New variable.
	(options, parse_opt): New option --debuginfo/-d to set it.
	(check_sections): If is_debuginfo, don't complain about SHT_NOBITS.
	(check_note): If is_debuginfo, don't try to get note contents.

2005-04-24  Ulrich Drepper  <drepper@redhat.com>

	* readelf.c (print_debug_abbrev_section): Don't print error when end of
	section reached.

2005-04-14  Ulrich Drepper  <drepper@redhat.com>

	* readelf.c (dwarf_encoding_string): New function.
	(dwarf_inline_string): New function.
	(dwarf_access_string): New function.
	(dwarf_visibility_string): New function.
	(dwarf_virtuality_string): New function.
	(dwarf_identifier_case_string): New function.
	(dwarf_calling_convention_string): New function.
	(dwarf_ordering_string): New function.
	(dwarf_discr_list_string): New function.
	(attr_callback): Decode man more attribute values.

2005-04-01  Ulrich Drepper  <drepper@redhat.com>

	* addr2line.c: Finish implementation of -f option.

2005-03-29  Ulrich Drepper  <drepper@redhat.com>

	* addr2line.c: New file.
	* Makefile.am (bin_PROGRAMS): Add addr2line.
	Define addr2line_LDADD.

	* findtextrel.c: Use new dwarf_addrdie function.

	* findtextrel.c: Fix usage message and re-add accidentally removed
	line.

2005-03-28  Ulrich Drepper  <drepper@redhat.com>

	* findtextrel.c: New file.
	* Makefile: Add rules to build findtextrel.

2005-02-15  Ulrich Drepper  <drepper@redhat.com>

	* ldlex.l: Provide ECHO definition to avoid warning.

	* elflint.c (check_program_header): Fix typo in RELRO test.

	* Makefile.am (AM_CFLAGS): Add more warning options.
	* elflint.c: Fix warnings introduced by the new warning options.
	* i386_ld.c: Likewise.
	* ld.c: Likewise.
	* ld.h: Likewise.
	* ldgeneric.c: Likewise.
	* nm.c: Likewise.
	* readelf.c: Likewise.
	* sectionhash.c: Likewise.
	* size.c: Likewise.
	* string.c: Likewise.

2005-02-05  Ulrich Drepper  <drepper@redhat.com>

	* Makefile.am: Check for text relocations in constructed DSOs.

	* Makefile.am [MUDFLAP] (AM_CFLAGS): Add -fmudflap.  Link all apps
	with -lmudflap.

	* ldscript.y: Add as_needed handling.
	* ldlex.l: Recognize AS_NEEDED token.
	* ld.h (struct filename_list): Add as_needed flag.

2005-02-04  Ulrich Drepper  <drepper@redhat.com>

	* elflint.c (check_symtab): Correctly determine size of GOT section.

2005-01-19  Ulrich Drepper  <drepper@redhat.com>

	* ld.c: Remove unnecessary more_help function.  Print bug report
	address using argp.
	* strip.c: Likewise.
	* size.c: Likewise.
	* nm.c: Likewise.
	* readelf.c: Likewise.
	* elflint.c: Likewise.

	* elflint.c (main): Don't check for parameter problems here.
	(parse_opt): Do it here, where we get informed about some of them
	anyway.

	* readelf.c (main): Don't check for parameter problems here.
	(parse_opt): Do it here, where we get informed about some of them
	anyway.

2005-01-11  Ulrich Drepper  <drepper@redhat.com>

	* strip.c: Update copyright year.
	* readelf.c: Likewise.
	* size.c: Likewise.
	* nm.c: Likewise.
	* ld.c: Likewise.
	* elflint.c: Likewise.

	* elflint.c (check_symtab): Don't warn about wrong size for
	_DYNAMIC and __GLOBAL_OFFSET_TABLE__ for --gnu-ld.

2004-10-05  Ulrich Drepper  <drepper@redhat.com>

	* readelf.c (print_phdr): In section mapping, also indicate
	sections in read-only segments.

2004-09-25  Ulrich Drepper  <drepper@redhat.com>

	* readelf.c: Make compile with gcc 4.0.
	* strip.c: Likewise.

2004-08-16  Ulrich Drepper  <drepper@redhat.com>

	* strip.c (handle_elf): Rewrite dynamic memory handling to use of
	allocate to work around gcc 3.4 bug.

2004-01-25  Ulrich Drepper  <drepper@redhat.com>

	* ldlex.l (invalid_char): Better error message.

2004-01-23  Ulrich Drepper  <drepper@redhat.com>

	* readelf.c: Print SHT_GNU_LIBLIST sections.

	* none_ld.c: New file.

2004-01-21  Ulrich Drepper  <drepper@redhat.com>

	* Makefile.am: Enable building of machine specific linker.

2004-01-20  Ulrich Drepper  <drepper@redhat.com>

	* Makefile.am: Support building with mudflap.

	* i386_ld.c: Fix warnings gcc 3.4 spits out.
	* ldgeneric.c: Likewise.
	* ldscript.y: Likewise.
	* readelf.c: Likewise.
	* strip.c: Likewise.

	* readelf.c (print_debug_line_section): Determine address size
	correctly.

2004-01-19  Ulrich Drepper  <drepper@redhat.com>

	* readelf.c (print_phdr): Show which sections are covered by the
	PT_GNU_RELRO entry.

	* elflint.c (check_program_header): Check PT_GNU_RELRO entry.

	* readelf.c (print_debug_macinfo_section): Implement.

2004-01-18  Ulrich Drepper  <drepper@redhat.com>

	* readelf.c (print_debug_line_section): Implement.

2004-01-17  Ulrich Drepper  <drepper@redhat.com>

	* src/elflint.c: Use PACKAGE_NAME instead of PACKAGE.
	* src/ld.c: Likewise.
	* src/nm.c: Likewise.
	* src/readelf.c: Likewise.
	* src/size.c: Likewise.
	* src/strip.c: Likewise.

	* strip.c: Add a few more unlikely.  Reduce scope of some variables.

	* Makefile.am: Support building with mudflap.

2004-01-16  Ulrich Drepper  <drepper@redhat.com>

	* readelf.c (print_debug_info_section): Free dies memory.

	* readelf.c: Print .debug_info section content.

2004-01-13  Ulrich Drepper  <drepper@redhat.com>

	* readelf.c (print_shdr): Add support for SHF_ORDERED and SHF_EXCLUDE.

2004-01-12  Ulrich Drepper  <drepper@redhat.com>

	* readelf.c (print_debug_aranges): Implement using libdw.

2004-01-11  Ulrich Drepper  <drepper@redhat.com>

	* nm.c: Adjust for Dwarf_Files type and dwarf_lineno interface change.

	* readelf.c: Use libdw instead of libdwarf.  Not all of the old
	behavior is available yet.
	* Makefile.am: Link readelf with libdw.  Remove libdwarf include path.

2004-01-09  Ulrich Drepper  <drepper@redhat.com>

	* nm.c (get_local_names): Adjust call to dwarf_nextcu.

	* nm.c: Implement getting information about local variables.

2004-01-07  Ulrich Drepper  <drepper@redhat.com>

	* nm.c: Read also debug information for local symbols.

2004-01-05  Ulrich Drepper  <drepper@redhat.com>

	* nm.c: Shuffle dwarf handling code around so the maximum column
	width can be computed ahead of printing.  Avoid collection symbols
	which are not printed anyway.

	* nm.c: Rewrite dwarf handling to use libdw.
	* Makefile.am (AM_CFLAGS): Add -std parameter.
	(INCLUDES): Find header in libdw subdir.
	(nm_LDADD): Replace libdwarf with libdw.

	* elflint.c: Update copyright year.
	* readelf.c: Likewise.
	* size.c: Likewise.
	* strip.c: Likewise.
	* nm.c: Likewise.

2003-12-31  Ulrich Drepper  <drepper@redhat.com>

	* strip.c (process_file): Close file before returning.

2003-11-19  Ulrich Drepper  <drepper@redhat.com>

	* readelf.c (handle_dynamic): Make column for tag name wider.

2003-09-29  Ulrich Drepper  <drepper@redhat.com>

	* readelf.c (handle_dynamic): Always terminate tag name with a space.

2003-09-25  Ulrich Drepper  <drepper@redhat.com>

	* strip.c (process_file): Don't mmap the input file, we modify the
	data structures and don't want the change end up on disk.

2003-09-23  Jakub Jelinek  <jakub@redhat.com>

	* unaligned.h (union u_2ubyte_unaligned,
	union u_4ubyte_unaligned, union u_8ubyte_unaligned): Add
	packed attribute.
	(add_2ubyte_unaligned, add_4ubyte_unaligned,
	add_8ubyte_unaligned): Avoid nesting bswap_NN macros.
	Read/store value through _ptr->u instead of *_ptr.

2003-09-22  Ulrich Drepper  <drepper@redhat.com>

	* size.c (show_sysv): Change type of maxlen to int.

	* strip.c (handle_elf): Handle the 64-bit archs which is 64-bit
	buckets.

	* i386_ld.c: Many many fixes and extensions.
	* ld.c: Likewise.
	* ldgeneric.c: Likewise.

2003-08-16  Ulrich Drepper  <drepper@redhat.com>

	* ldgeneric.c (check_definition): Don't add symbol on dso_list if
	the reference is from another DSO.

2003-08-15  Ulrich Drepper  <drepper@redhat.com>

	* ldgeneric.c (find_entry_point): It is no fatal error if no entry
	point is found when creating a DSO.

2003-08-14  Ulrich Drepper  <drepper@redhat.com>

	* ld.c (main): Always call FLAG_UNRESOLVED.
	* ldgeneric.c (ld_generic_flag_unresolved): Only complain about
	undefined symbols if not creating DSO or ld_state.nodefs is not set.

2003-08-13  Ulrich Drepper  <drepper@redhat.com>

	* Makefile.in: Depend on libebl.a, not libebl.so.

	* ld.c (main): Mark stream for linker script as locked by caller.
	(read_version_script): Likewise.
	* ldlex.c: Define fread and fwrite to _unlocked variant.

	* i386_ld.c (elf_i386_finalize_plt): Replace #ifdefs with uses of
	target_bswap_32.
	* unaligned.h: Define target_bswap_16, target_bswap_32, and
	target_bswap_64.
	(store_2ubyte_unaligned, store_4ubyte_unaligned,
	store_8ubyte_unaligned): Define using new macros.

2003-08-12  Ulrich Drepper  <drepper@redhat.com>

	* i386_ld.c (elf_i386_finalize_plt): Use packed structs to access
	possibly unaligned memory.  Support use of big endian machines.

2003-08-11  Ulrich Drepper  <drepper@redhat.com>

	* Moved to CVS archive.