blob: 9578f8bde9093fd740d9b28d96177bac226a8b2b [file] [log] [blame]
2008-12-11 Roland McGrath <>
* elf32_updatefile.c (__elfw2(LIBELFBITS,updatemmap)): Handle
placement offset going backwards, for out-of-order or overlapping
(bogus) sh_offset layouts. It's a dumb use, but should not crash.
(__elfw2(LIBELFBITS,updatefile)): Likewise.
Fixes RHBZ#476136.
* libelf.h (Elf_Data): Whitespace fix.
2008-12-10 Roland McGrath <>
* elf_getarhdr.c (elf_getarhdr): Fix missing rename in last change.
2008-10-22 Petr Machata <>
* elf_rawfile.c (elf_rawfile): Lock around elf-> references.
2008-10-21 Petr Machata <>
* libelfP.h: Rename getehdr_rdlock to getehdr_wrlock.
* elf32_getehdr.c (getehdr_rdlock): Move the code to new function
getehdr_impl and make it a wrapper. Rename to getehdr_wrlock.
(getehdr_impl): Guard elf->class init with wrlock.
(getehdr): Also make it a wrapper of getehdr_impl.
* elf32_updatenull.c (updatenull_wrlock): Call getehdr_wrlock.
2008-10-20 Petr Machata <>
* elf_getdata_rawchunk.c (elf_getdata_rawchunk): Lock around the
code that reads mutable elf state. Relock to write lock to chain
the new chunk on the elf rawchunks list.
2008-10-20 Petr Machata <>
* elf32_checksum.c (checksum): Place a lock around the code that
processes data. Make it wrlock if the code needs to xlate the
data before processing.
2008-10-16 Petr Machata <>
* elf_begin.c
(__libelf_next_arhdr): Rename to __libelf_next_arhdr_wrlock.
(dup_elf): Adjust the call.
(elf_begin): New local function lock_dup_elf. Relocks the elf if
necessary before calling dup. Call this instead of dup_elf.
* elf_getarhdr.c
(elf_getarhdr): Lock before calling __libelf_next_arhdr_wrlock.
* elf_next.c (elf_next): Likewise.
* elf_rand.c (elf_rand): Likewise.
2008-10-14 Petr Machata <>
* elf_getdata.c (__elf_getdata_rdlock): Lock before converting.
2008-11-26 Roland McGrath <>
* elf.h: Update from glibc.
2008-10-06 Roland McGrath <>
* elf_getarhdr.c (elf_getarhdr): Return NULL when passed NULL.
2008-08-27 Roland McGrath <>
* elf_begin.c (get_shnum): Avoid misaligned reads for matching endian.
* libelfP.h [!ALLOW_UNALIGNED] (__libelf_type_align): Fix CLASS index.
2008-08-25 Roland McGrath <>
* (libelf_so_LDLIBS): New variable.
( Use it in the link.
2008-08-21 Petr Machata <>
* elf_getdata.c, libelfP.h
(__elf_getdata_internal): Rename to __elf_getdata_rdlock.
(__libelf_set_rawdata_wrlock): New function.
(__libelf_set_rawdata): Make it a wrapper that calls *_wrlock.
* elf32_updatenull.c, libelfP.h
(__elfNN_updatenull): Rename to __elfNN_updatenull_wrlock.
2008-08-21 Petr Machata <>
* elf32_getphdr.c, libelfP.h
(__elfNN_getphdr_internal): Drop. Move __elfNN_getphdr_internal
code to __elfNN_getphdr_wrlock.
(__elfNN_getphdr_rdlock, __elfNN_getphdr_wrlock): New functions.
(__elfNN_getphdr_rdlock, __elfNN_getphdr_wrlock): Make these
wrappers of getphdr_impl.
2008-08-21 Petr Machata <>
* elf32_getehdr.c, libelfP.h
(__elfNN_getehdr_internal): Rename to __elfNN_getehdr_rdlock.
* gelf_getehdr, libelfP.h:
(__gelf_getehdr_internal): Rename to __gelf_getehdr_rdlock.
2008-08-21 Petr Machata <>
* elf32_getshdr.c
(__elfNN_getshdr_internal): Drop.
(load_shdr_wrlock, scn_valid): New functions, contain bits of
behaviour from __elfNN_getshdr_internal.
(__elfNN_getshdr_rdlock, __elfNN_getshdr_wrlock): Replacements for
dropped _internal functions above.
* elf_getshnum.c
(__elf_getshnum_internal): Rename to __elf_getshnum_rdlock.
2008-08-04 Petr Machata <>
2008-07-28 Roland McGrath <>
* elf.h: Update from glibc.
2008-03-31 Roland McGrath <>
* elf32_offscn.c: Make sure shdrs have been read in.
2008-02-19 Roland McGrath <>
* elf.h: Update from glibc.
2008-02-08 Roland McGrath <>
* elf.h: Update from glibc.
2008-01-31 Ulrich Drepper <>
* elf_strptr.c (elf_strptr): Don't fail if the ELF file is currently
under construction and no raw data can be read from disk.
2008-01-30 Roland McGrath <>
* elf.h: Update from glibc.
2008-01-26 Roland McGrath <>
* elf_begin.c (__libelf_next_arhdr): Rewrite conversions using a macro.
Fixes various pastos in wrong type in sizeof, wrong string parsed.
2008-01-20 Roland McGrath <>
* elf_getaroff.c: Calculate from start_offset, instead of using
parent's field.
2008-01-08 Roland McGrath <>
* (euinclude): Variable removed.
(pkginclude_HEADERS): Set this instead of euinclude_HEADERS.
2008-01-03 Roland McGrath <>
* common.h: Add __attribute__ ((unused)) to static functions.
2007-12-20 Ulrich Drepper <>
* (libelf_a_SOURCES): Add elf_scnshndx.
* libelfP.h (struct Elf_Scn): Add shndx_index field.
Declare __elf_scnshndx_internal.
* elf32_getshdr.c: Record location of extended section header.
* elf_begin.c (file_read_elf): Likewise.
* elf_scnshndx.c: New file.
* libelf.h: Declare elf_scnshndx.
* Add elf_scnshndx to version ELFUTILS_1.4.
2007-11-12 Roland McGrath <>
* libelf.h: Replace off64_t with loff_t throughout.
Only that type name is unconditionally defined by <sys/types.h>
2007-11-03 Roland McGrath <>
* libelf.h (Elf_Data): Comment fix.
2007-10-18 Roland McGrath <>
* elf.h: Update from glibc.
2007-10-07 Roland McGrath <>
* elf_begin.c (__libelf_next_arhdr): Fix fencepost error and wrong
member access in terminating name with no trailing /. Trim trailing
spaces when there is no /.
2007-10-04 Roland McGrath <>
* elf_end.c (elf_end): Don't free ELF-> when it's -1l.
2007-10-03 Roland McGrath <>
* libelf.h (Elf_Data): Use off64_t for d_off.
(Elf_Arhdr): Use off64_t for ar_size.
(elf_update, elf_getbase, elf_getaroff): Return off64_t.
* gelf_rawchunk.c: File removed.
* gelf_freechunk.c: File removed.
* (libelf_a_SOURCES): Remove them.
* (ELFUTILS_1.0): Remove exports.
* gelf.h: Remove decls.
* elf_getdata_rawchunk.c: New file.
* (libelf_a_SOURCES): Add it.
* (ELFUTILS_1.3): Add elf_getdata_rawchunk.
* libelf.h: Declare it.
* libelfP.h (Elf_Data_Chunk): New type.
(struct Elf.elf): New member `rawchunks'.
* elf_end.c (elf_end): Free recorded rawchunk buffers.
2007-08-24 Roland McGrath <>
* gelf_getnote.c: New file.
* (libelf_a_SOURCES): Add it.
* gelf.h: Declare gelf_getnote.
* (ELFUTILS_1.3): Add gelf_getnote.
* libelfP.h (NOTE_ALIGN): New macro.
* note_xlate.h: New file.
* (noinst_HEADERS): Add it.
* gelf_xlate.c: Include it.
(__elf_xfctstom): Use elf_cvt_note.
* elf_getdata.c (shtype_map, __libelf_type_align): Handle SHT_NOTE.
(__libelf_set_rawdata): Likewise.
2007-08-19 Roland McGrath <>
* gelf_update_auxv.c: New file.
* gelf_getauxv.c: New file.
* (libelf_a_SOURCES): Add them.
* gelf.h: Declare gelf_getauxv, gelf_update_auxv.
* (ELFUTILS_1.3): New set, inherits fom ELFUTILS_1.2.
Export gelf_getauxv, gelf_update_auxv.
* libelf.h (Elf_Type): Add ELF_T_AUXV.
* abstract.h: Add auxv_t entries.
* exttypes.h: Likewise.
* gelf_xlate.h: Likewise.
* gelf_xlate.c (__elf_xfctstom): Add ELF_T_AUXV entries.
* gelf_fsize.c (__libelf_type_sizes): Likewise.
2007-08-12 Roland McGrath <>
* elf32_updatefile.c (compare_sections): Sort secondarily on sh_size,
and only tertiarily on index.
2007-07-09 Roland McGrath <>
* elf.h: Update from glibc.
2007-04-22 Roland McGrath <>
* elf.h: Update from glibc.
2007-03-18 Roland McGrath <>
* elf_begin.c (get_shnum): Fix test for e_shoff being out of bounds.
Return zero when the section headers do not fit within MAXSIZE.
2007-03-09 Roland McGrath <>
* libelfP.h (LIBELF_EV_IDX): New macro.
(__libelf_type_align): New macro.
[! ALLOW_UNALIGNED]: Declare __libc_type_aligns array.
* elf_getdata.c (shtype_map): Convert to just Elf_Type[][].
(convert_data, __libelf_set_rawdata): Use that, __libelf_type_align,
and __libelf_type_sizes, in place of old table.
(__libc_type_aligns): New const variable.
2007-02-04 Ulrich Drepper <>
* Makefile ( Build with -z relro.
* elf_begin.c (read_file): When using ELF_C_READ_MMAP use MAP_PRIVATE.
2007-01-30 Ulrich Drepper <>
* nlist.c: Close file descriptor before returning.
2007-01-20 Roland McGrath <>
* gnuhash_xlate.h (elf_cvt_gnuhash): Fix fence-post error so we
convert the final word.
* elf32_getshdr.c: Don't byteswap shdr fields when EI_DATA matches
2007-01-18 Roland McGrath <>
* gelf_rawchunk.c (gelf_rawchunk): Clear RESULT pointer after freeing
it on read error.
2006-10-13 Roland McGrath <>
* elf32_updatenull.c: Look for and accept phdr also for ET_CORE.
* elf_error.c (msgstr): Change ELF_E_INVALID_PHDR string.
2006-08-29 Roland McGrath <>
* elf32_getphdr.c: Don't byteswap phdr fields when EI_DATA matches
Reported by Christian Aichinger <>.
2006-08-08 Ulrich Drepper <>
* elf.h (DT_VALNUM): Update.
(DT_ADDRNUM): Likewise.
2006-07-12 Ulrich Drepper <>
* elf32_updatefile.c: Adjust for internal_function_def removal.
* elf32_updatenull.c: Likewise.
* elf_begin.c: Likewise.
* elf_getdata.c: Likewise.
2006-07-11 Ulrich Drepper <>
* libelf.h: Define ELF_T_GNUHASH.
* elf_getdata.c (TYPEIDX): Handle SHT_GNU_HASH.
(shtype_map): Add SHT_GNU_HASH entries.
* gelf_xlate.c (__elf_xfctstom): Add ELF_T_GNUHASH entries.
* gnuhash_xlate.h: New file.
* (noinst_HEADERS): Add gnuhash_xlate.h.
2006-07-06 Ulrich Drepper <>
* elf_gnu_hash.c: New file.
* libelf.h: Declare elf_gnu_hash.
* (libelf_a_SOURCES): Add elf_gnu_hash.
* Add elf_gnu_map for version ELFUTILS_1.2.
2006-06-15 Roland McGrath <>
* libelf.h (elf_getarsym): Fix comment typo.
Rename second parameter to be more explanatory.
(elf_getident, elf_rawhide): Likewise.
2006-05-28 Ulrich Drepper <>
* elf32_updatefile.c (updatemmap): Preserve section content if
copying would overwrite them.
Fix msync paramters.
2006-04-04 Roland McGrath <>
* elf32_updatefile.c (updatemmap): Handle other-endian case.
2006-04-04 Ulrich Drepper <>
* elf32_updatefile.c (updatemmap): Cleanups. Remove shdr_dest
variable. Before writing sections, make a copy of the section
header data if necessary. Don't write section header while
writing the section constent, it might overwrite some sections.
Restore the pointer afterwards.
* elf32_updatenull.c (updatenull): If the offset of a section in a
file changed make sure we read the section so that it'll be written
* elf_update.c: Remove debug message.
2005-12-07 Roland McGrath <>
* gelf_xlate.c [! ALLOW_UNALIGNED] (union unaligned): New type.
(FETCH, STORE): New macros.
(INLINE3): Use those to do alignment-friendly conversion.
* elf32_getshdr.c: Include map_address and start_offset in alignment
* elf32_getphdr.c: Likewise.
2005-11-19 Roland McGrath <>
* elf.h: Update from glibc.
2005-11-17 Roland McGrath <>
* elf.h: Update from glibc.
2005-11-10 Roland McGrath <>
* elf.h: Update from glibc.
2005-09-09 Roland McGrath <>
* elf_update.c (write_file): Stat the file and fchmod it after update
if its mode had S_ISUID or S_ISGID bits set.
2005-08-28 Ulrich Drepper <>
* elf32_getphdr.c: Include <system.h>. Use pread_retry instead of
pread. And branch prediction where useful.
* elf_begin.c: Likewise.
* elf_getdata.c: Likewise.
* elf_getshstrndx.c: Likewise.
* elf_readall.c: Likewise.
* gelf_rawchunk.c: Likewise.
* elf32_updatefile.c: Include <system.h>. Use pread_retry instead of
pread. And branch prediction where useful.
* elf_getarsym.c: Don't define pread_retry here.
* Use $(LINK) not $(CC) when creating DSO.
(%.os): Use COMPILE.os.
(COMPILE.os): Filter out gconv options.
2005-08-27 Ulrich Drepper <>
* elf_begin.c (file_read_elf): Avoid reading ELF header from file
again. Instead accept additional parameter which points to it if we
don't use mmap.
(get_shnum): Use passed in e_ident value as source of ELF header.
2005-08-15 Ulrich Drepper <>
* elf_begin.c (__libelf_next_arhdr): Use TEMP_FAILURE_RETRY.
* Makefile (libelf_a_SOURCES): Add elf_getaroff.c.
* Export elf_getaroff.
* libelf.h: Declare elf_getaroff.
* elf_getaroff.c: New file.
2005-08-13 Ulrich Drepper <>
* elf_begin.c (get_shnum): Optimize memory handling. Always read from
mapped file if available. Fix access to 64-bit sh_size. Recognize
(file_read_elf): Likewise.
2005-08-12 Roland McGrath <>
* elf32_offscn.c: Do not match empty sections at OFFSET unless
there are no nonempty sections at that offset.
2005-08-07 Ulrich Drepper <>
* elf.h: Update from glibc.
2005-08-06 Ulrich Drepper <>
* (AM_CFLAGS): Add -fpic when BUILD_STATIC.
2005-08-03 Ulrich Drepper <>
* Move elf32_offscn, elf64_offscn, and gelf_offscn in
new version ELFUTILS_1.1.1.
2005-08-02 Ulrich Drepper <>
* elf_error.c: Add handling of ELF_E_INVALID_OFFSET.
* elf32_offscn.c: New file.
* elf64_offscn.c: New file.
* gelf_offscn.c: New file.
* (libelf_a_SOURCES): Add elf32_offscn.c, elf64_offscn.c,
and gelf_offscn.c.
* libelf.sym: Export new symbols.
2005-07-23 Ulrich Drepper <>
* elf-knowledge.h (SECTION_STRIP_P): Don't handle removal of debug
sections here anymore.
* elf32_checksum.c: Adjust for change in SECTION_STRIP_P interface.
* elf_update.c (elf_update): Get write lock, not read lock.
* elf32_updatenull.c (updatenull): Get section headers if necessary
and possible.
2005-07-22 Ulrich Drepper <>
* elf32_updatenull.c (updatenull): If program header hasn't been loaded
yet, try to do it now.
Don't unnecessarily update overflow of section count in zeroth section
sh_size field.
If section content hasn't been read yet, do it before looking for the
block size. If no section data present, infer size of section header.
2005-05-11 Ulrich Drepper <>
* elf.h: Update again.
2005-05-09 Ulrich Drepper <>
* elf.h: Update from glibc.
2005-05-08 Roland McGrath <>
* elf_begin.c (read_file) [_MUDFLAP]: Don't use mmap for now.
* elf_update.c (write_file) [_MUDFLAP]: Likewise.
2005-03-29 Ulrich Drepper <>
* elf32_checksum.c: Use INTUSE and INTDEF to avoid PLTs.
* elf_end.c: Likewise.
* elf_getdata.c: Likewise.
* gelf_getehdr.c: Likewise.
* nlist.c: Likewise.
* libelfP.h: Add declarations of internal functions.
2005-02-15 Ulrich Drepper <>
* common.h (CONVERT): Make sure all values are unsigned.
(CONVERT_TO): Likewise.
* (AM_CFLAGS): Add -Wformat=2.
Fix rule to build
2005-02-06 Ulrich Drepper <>
* Cleanup AM_CFLAGS handling. Add -Wunused -Wextra.
Remove lint handling.
* elf32_getphdr.c: Minor cleanups.
* elf32_getshdr.c: Likewise.
* elf32_updatefile.c: Likewise.
* elf32_updatenull.c: Likewise.
* elf_begin.c: Likewise.
* elf_error.c: Likewise.
* elf_getarsym.c: Likewise.
* elf_getdata.c: Likewise.
* elf_update.c: Likewise.
* gelf_xlate.c: Likewise.
2005-02-05 Ulrich Drepper <>
* Check for text relocations in constructed DSO.
* [MUDFLAP] (AM_CFLAGS): Add -Werror -fpic -fmudflap.
2005-02-04 Ulrich Drepper <>
* gelf_getehdr.c (gelf_getehdr): Slight optimization.
* elf32_checksum.c (checksum): Do not look at NOBITS sections.
* gelf.h: Add gelf_checksum prototype.
2004-09-25 Ulrich Drepper <>
* elf32_checksum.c: Make compile with gcc 4.0.
* elf32_updatefile.c: Likewise.
* elf32_updatenull.c: Likewise.
* elf_begin.c: Likewise.
* elf_error.c: Likewise.
* elf_getdata.c: Likewise.
* elf_getident.c: Likewise.
2004-04-01 Ulrich Drepper <>
* elf.h: Update from glibc.
2004-01-23 Ulrich Drepper <>
* elf_update.c: Fix locking.
* elf_clone.c: Likewise.
* libelf.h: Define ELF_T_LIB.
* gelf_getlib.c: New file.
* gelf_update_lib.c: New file.
* gelf.h: Declare the new functions. Define GElf_Lib.
* abstract.h: Define Lib, Lib32, Lib64.
* gelf_xlate.c (__elf_xfctstom): Add ELF_T_LIB entry.
* gelf_xlate.h: Add entry for ElfXX_Lib.
* elf_getdata.c: Recognize SHT_GNU_LIBLIST as a known section type.
* Add new symbols to ELFUTILS_1.1.
* (libelf_a_SOURCES): Add gelf_getlib.c and
2004-01-17 Ulrich Drepper <>
* Support building with mudflap.
* gelf_xlate.c (INLINE3): Avoid using cast as lvalue.
* dl-hash.h (_dl_elf_hash): Likewise.
2004-01-05 Ulrich Drepper <>
* elf-knowledge.h: New file. From libelf subdir.
* (euincludedir): Define.
(euinclude_HEADERS): Add elf-knowledge.h.
2003-09-24 Ulrich Drepper <>
* elf.h: Define some PT_IA_64_HP_* constants.
2003-09-23 Jakub Jelinek <>
* libelfP.h (struct Elf): Move state.elf64.sizestr_offset after
state.elf64.scnincr to match state.elf{,32}.
2003-08-12 Ulrich Drepper <>
* elf32_updatefile.c (__updatemmap): When writing back file where
some sections have not been read in, count their sizes based on
the section header.
2003-08-11 Ulrich Drepper <>
* Moved to CVS archive.