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Mark Wielaard 9d481b29e7 libelf: Make sure string returned by elf_strptr is NUL terminated. 
The result of elf_strptr is often used directly to print or strcmp
the string. If the section data was truncated or corrupted that could
lead to invalid memory reads possibly crashing the application.
https://bugzilla.redhat.com/show_bug.cgi?id=1170810#c24

Reported-by: Alexander Cherepanov <cherepan@mccme.ru>
Signed-off-by: Mark Wielaard <mjw@redhat.com>
2015-02-06 22:36:43 +01:00

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2015-01-22 Mark Wielaard <mjw@redhat.com>
* elf_strptr (elf_strptr): Make sure returned string is NUL
terminated.
2015-01-21 Mark Wielaard <mjw@redhat.com>
* elf_strptr.c (elf_strptr): Check data_list_rear == NULL instead
of rawdata_base != NULL before using rawdata directly.
2015-01-20 Mark Wielaard <mjw@redhat.com>
* libelfP.h (__elf_strptr_internal): New function declaration.
* elf_getdata.c (__libelf_set_data_list_rdlock): New internal
function extracted from...
(__elf_getdata_rdlock): ... here.
* elf_newdata.c (elf_newdata): Check scn->rawdata_base and update
datalist if necessary.
2015-01-20 Mark Wielaard <mjw@redhat.com>
* elf_strptr.c (elf_strptr): Call __elf[32|64]_getshdr_rdlock if
necessary.
2014-12-30 Mark Wielaard <mjw@redhat.com>
* elf_getphdrnum.c (__elf_getphdrnum_chk_rdlock): New function.
(elf_getphdrnum): Call __elf_getphdrnum_chk_rdlock.
* gelf_getphdr (gelf_getphdr): Call __elf_getphdrnum_chk_rdlock
and always check ndx against phnum.
* libelfP.h (__elf_getphdrnum_chk_rdlock): New internal function.
2014-12-25 Mark Wielaard <mjw@redhat.com>
* elf_begin.c (__libelf_next_arhdr_wrlock): ar_size cannot be
negative. Include start_offset in maxsize.
2014-12-28 Alexander Cherepanov <cherepan@mccme.ru>
* elf_begin.c (read_long_names): Don't miss '/' right after
another '/'. Fixes a dir traversal vuln in ar extraction.
2014-12-18 Ulrich Drepper <drepper@gmail.com>
* Makefile.am: Suppress output of textrel_check command.
2014-12-16 Mark Wielaard <mjw@redhat.com>
* elf_begin.c (read_long_names): Make sure long_names len fits
in mapped ELF file.
2014-12-15 Mark Wielaard <mjw@redhat.com>
* elf_getarsym.c (elf_getarsym): Check index_size doesn't overflow.
2014-12-15 Mark Wielaard <mjw@redhat.com>
* elf_begin.c (read_long_names): Clear any garbage left in the
name table.
2014-12-11 Mark Wielaard <mjw@redhat.com>
* elf_begin.c (file_read_elf): Correct ELF64 section offset check.
2014-12-11 Mark Wielaard <mjw@redhat.com>
* elf_begin.c (read_long_names): Check for offset overflow.
(__libelf_next_arhdr_wrlock): Likewise. Sanity check the ar_size.
Don't allow it to go beyond end of file.
2014-12-09 Mark Wielaard <mjw@redhat.com>
* elf_getarsym.c (elf_getarsym): Make sure n * w doesn't overflow.
2014-11-27 Mark Wielaard <mjw@redhat.com>
* Makefile.am (libelf.so): Use textrel_check.
2014-11-23 Mark Wielaard <mjw@redhat.com>
* elf_getdata_rawchunk.c (elf_getdata_rawchunk): Change signed
overflow check to unsigned.
2014-11-23 Mark Wielaard <mjw@redhat.com>
* note_xlate.h (elf_cvt_note): Copy over any leftover data if
src != dest. The data is probably part of truncated name/desc.
2014-11-22 Mark Wielaard <mjw@redhat.com>
* elf_getphdrnum.c (elf_getphdrnum): Sanity check the
__elf_getphdrnum_rdlock result.
2014-11-18 Mark Wielaard <mjw@redhat.com>
* version_xlate.h (elf_cvt_Verdef): Check for overflow.
(elf_cvt_Verneed): Likewise.
2014-11-17 Mark Wielaard <mjw@redhat.com>
* elf-knowledge.h (SECTION_STRIP_P): Check name is not NULL.
2014-11-16 Mark Wielaard <mjw@redhat.com>
* elf_getshdrstrndx.c: Check there are section headers before
handling SHN_XINDEX.
2014-11-16 Mark Wielaard <mjw@redhat.com>
* elf32_getphdr.c (getphdr_wrlock): Check e_phoff isn't zero.
Check for too many pheaders.
* elf_getphdrnum.c (__elf_getphdrnum_rdlock): Check section zero
actually exists before handling PN_XNUM.
2014-11-16 Mark Wielaard <mjw@redhat.com>
* gelf_getnote.c (gelf_getnote): Check padding overflow.
2014-11-16 Mark Wielaard <mjw@redhat.com>
* elf_getdata.c (__libelf_set_rawdata_wrlock): Declare offset, size
and align as Elf64_Off and Elf64_Xword not size_t.
2014-11-14 Mark Wielaard <mjw@redhat.com>
* gelf_getnote.c (gelf_getnote): Check offset overflow.
2014-11-13 Mark Wielaard <mjw@redhat.com>
* elf_getdata.c (__libelf_set_rawdata_wrlock): Fix unsigned overflow
check.
2014-11-08 Mark Wielaard <mjw@redhat.com>
* elf_begin.c (__libelf_next_arhdr_wrlock): Use mempcpy not __mempcpy.
2014-11-07 Mark Wielaard <mjw@redhat.com>
* elf_begin.c (file_read_elf): Correct sh_size check.
* elf_getdata.c (__libelf_set_rawdata_wrlock): Check for unsigned
overflow.
2014-09-10 Petr Machata <pmachata@redhat.com>
* elf_begin (read_unmmaped_file): Call __libelf_seterrno if the
file is unreadable.
2014-07-07 Mark Wielaard <mjw@redhat.com>
* elf.h: Update from glibc.
2014-04-13 Mark Wielaard <mjw@redhat.com>
* Makefile.am: Remove !MUDFLAP conditions.
* elf_begin.c (read_file): Don't clear use_mmap when _MUDFLAP is
defined.
* elf_update.c (write_file): Remove _MUDFLAP condition.
2014-01-17 Jakub Jelinek <jakub@redhat.com>
Roland McGrath <roland@redhat.com>
* libelfP.h (INVALID_NDX): Define.
* gelf_getdyn.c (gelf_getdyn): Use it. Remove ndx < 0 test if any.
* gelf_getlib.c (gelf_getlib): Likewise.
* gelf_getmove.c (gelf_getmove): Likewise.
* gelf_getrel.c (gelf_getrel): Likewise.
* gelf_getrela.c (gelf_getrela): Likewise.
* gelf_getsym.c (gelf_getsym): Likewise.
* gelf_getsyminfo.c (gelf_getsyminfo): Likewise.
* gelf_getsymshndx.c (gelf_getsymshndx): Likewise.
* gelf_getversym.c (gelf_getversym): Likewise.
* gelf_update_dyn.c (gelf_update_dyn): Likewise.
* gelf_update_lib.c (gelf_update_lib): Likewise.
* gelf_update_move.c (gelf_update_move): Likewise.
* gelf_update_rel.c (gelf_update_rel): Likewise.
* gelf_update_rela.c (gelf_update_rela): Likewise.
* gelf_update_sym.c (gelf_update_sym): Likewise.
* gelf_update_syminfo.c (gelf_update_syminfo): Likewise.
* gelf_update_symshndx.c (gelf_update_symshndx): Likewise.
* gelf_update_versym.c (gelf_update_versym): Likewise.
2014-01-17 Jakub Jelinek <jakub@redhat.com>
* elf32_getphdr.c (elfw2(LIBELFBITS,getphdr)): Check if program header
table fits into object's bounds.
* elf_getshdrstrndx.c (elf_getshstrndx): Add elf->start_offset to
elf->map_address. Check if first section header fits into object's
bounds.
* elf32_getshdr.c (elfw2(LIBELFBITS,getshdr)):
Check if section header table fits into object's bounds.
* elf_begin.c (get_shnum): Ensure section headers fits into
object's bounds.
(file_read_elf): Make sure scncnt is small enough to allocate both
ElfXX_Shdr and Elf_Scn array. Make sure section and program header
tables fit into object's bounds. Avoid memory leak on failure.
* elf_newscn.c (elf_newscn): Check for overflow.
* elf32_updatefile.c (__elfw2(LIBELFBITS,updatemmap)): Likewise.
(__elfw2(LIBELFBITS,updatefile)): Likewise.
* elf32_newphdr.c (elfw2(LIBELFBITS,newphdr)): Likewise.
* elf_getarsym.c (elf_getarsym): Likewise.
2013-11-08 Mark Wielaard <mjw@redhat.com>
* elf32_updatefile.c (elfXX_updatemmap): Only memcpy ehdr when not
already directly mmapped.
2013-11-05 Mark Wielaard <mjw@redhat.com>
* elf32_updatefile.c (elfXX_updatefile): Copy all section headers
if elf->flags dirty.
2013-11-01 Michael Forney <mforney@mforney.org>
* Makefile.am: Use READELF.
2013-10-01 Petr Machata <pmachata@redhat.com>
* elf.h: Update from glibc.
2013-06-17 Petr Machata <pmachata@redhat.com>
* elf.h: Update from glibc.
2013-08-28 Namhyung Kim <namhyung@gmail.com>
* gelf.h (gelf_fsize): Fix typo in comment.
2013-08-28 Mark Wielaard <mjw@redhat.com>
* gelf_getauxv.c (gelf_getauxv): Add missing whitespace.
2013-08-27 Mark Wielaard <mjw@redhat.com>
* gelf_getauxv.c (gelf_getauxv): Remove unnecessary casts to char *.
2013-08-25 Kurt Roeckx <kurt@roeckx.be>
* gelf_getauxv.c (gelf_getauxv): Use memcpy instead of pointer
dereference to avoid alignment problems.
2013-01-07 Roland McGrath <roland@hack.frob.com>
* elf_getarsym.c (elf_getarsym): Copy FILE_DATA into stack space if it
would be unaligned and !ALLOW_UNALIGNED.
* elf_getarsym.c (read_number_entries): Use memcpy instead of pointer
dereference so as not to assume the field is naturally aligned.
2012-09-17 Petr Machata <pmachata@redhat.com>
* elf.h: Update from glibc.
2012-08-16 Roland McGrath <roland@hack.frob.com>
* elf.h: Update from glibc.
2012-08-14 Mark Wielaard <mjw@redhat.com>
* elf32_checksum.c (ebl_debugscn_p): Removed unused define and
confusing outdated comment.
2012-08-01 Petr Machata <pmachata@redhat.com>
* elf_getarsym (read_number_entries): New function.
(elf_getarsym): Handle 64-bit symbol table, stored in special
entry named "/SYM64/".
* elf_begin.c (__libelf_next_arhdr_wrlock): Don't reject archive
because it contains 64-bit symbol table.
2012-07-19 Mark Wielaard <mjw@redhat.com>
* elf32_getshdr.c (load_shdr_wrlock): Add elf->flags & ELF_F_MALLOCED
to asserts.
2012-07-17 Petr Machata <pmachata@redhat.com>
* elf32_xlatetom.c (elfw2(LIBELFBITS, xlatetom)): Do not check for
integer number of records in case of ELF_T_NHDR.
2012-04-02 Mark Wielaard <mjw@redhat.com>
* elf32_offscn.c: Do not match SHT_NOBITS sections at OFFSET unless
there are no nonempty sections at that offset.
2012-03-21 Roland McGrath <roland@hack.frob.com>
* elf-knowledge.h (SECTION_STRIP_P): Remove < SHT_NUM check.
2011-02-26 Mark Wielaard <mjw@redhat.com>
* elf_end.c (elf_end): Call rwlock_unlock before rwlock_fini.
2011-01-05 Jan Kratochvil <jan.kratochvil@redhat.com>
* elf_getdata_rawchunk.c (elf_getdata_rawchunk): Fix off64_t overflow
when MAXIMUM_SIZE == ~0.
2010-08-18 Roland McGrath <roland@redhat.com>
* gelf_fsize.c (__libelf_type_sizes): Add entries for ELF_T_LIB
and ELF_T_GNUHASH.
Reported by Mark Hatle <mark.hatle@windriver.com>.
* exttypes.h: Add cases for ElfNN_Lib.
Reported by Mark Hatle <mark.hatle@windriver.com>.
2010-06-14 Ulrich Drepper <drepper@redhat.com>
* gelf_update_shdr.c: Implicitly set ELF_F_DIRTY bit.
* gelf_update_phdr.c: Likewise.
* gelf_update_ehdr.c: Likewise.
2010-04-14 Roland McGrath <roland@redhat.com>
* elf32_getphdr.c: Check for e_phoff/size outside the file bounds.
* elf_begin.c (file_read_elf): Don't set .phdr here.
2010-04-13 Roland McGrath <roland@redhat.com>
* elf.h: Update from glibc.
2010-04-06 Roland McGrath <roland@redhat.com>
* elf_error.c (ELF_E_FD_MISMATCH_IDX): Avoid nonobvious abbreviation
in error message.
2010-04-01 Petr Machata <pmachata@redhat.com>
* elf_getdata.c (__elf_getdata_rdlock): Initialize data.s for data
that do not need a conversion.
2010-03-11 Roland McGrath <roland@redhat.com>
* elf.h: Update from glibc.
2010-03-04 Ulrich Drepper <drepper@redhat.com>
* elf.h: Update from glibc.
2010-02-17 Roland McGrath <roland@redhat.com>
* elf_begin.c (file_read_elf): Leave section rawdata_base and
data_base pointers null when [sh_offset,sh_size) points outside
the mapped file.
2010-02-15 Roland McGrath <roland@redhat.com>
* Makefile.am: Use config/eu.am for common stuff.
2010-01-07 Roland McGrath <roland@redhat.com>
* elf32_getphdr.c: Use __elf_getphdrnum_rdlock.
* gelf_getphdr.c: Likewise.
* gelf_update_phdr.c: Likewise.
* elf32_updatefile.c (__elf32_updatemmap, __elf32_updatefile): Likewise.
* elf32_updatenull.c (__elf32_updatenull_wrlock): Likewise.
* elf32_newphdr.c: Clear section 0's sh_info when resetting e_phnum.
If COUNT is too large, use store PN_XNUM instead and set sh_info.
* elf_begin.c (file_read_elf): Always allocate space we can use later
for section 0 if doing RDWR.
* elf_getphdrnum.c: New file.
* Makefile.am (libelf_a_SOURCES): Add it.
* libelf.h: Declare elf_getphdrnum.
* libelfP.h: Declare __elf_getphdrnum_rdlock.
* libelf.map (ELFUTILS_1.6): New set, add elf_getphdrnum.
* elf.h: Update from glibc.
2009-10-23 Lubomir Rintel <lkundrak@v3.sk>
* elf32_updatefile.c (fill_mmap): When starting past shdr_end, start
filling from section start, not shdr_end.
2009-11-10 Roland McGrath <roland@redhat.com>
* elf_readall.c (__libelf_readall): Fetch file size if not yet known.
2009-11-06 Mark Wielaard <mjw@redhat.com>
* elf_next.c (elf_next): Mark the archive header as unusable when
there is no next ar element.
2009-08-12 Mark Wielaard <mjw@redhat.com>
* Makefile.am (libelf.so): Use -Wl,-z,defs not -defs.
2009-07-26 Ulrich Drepper <drepper@redhat.com>
* elf.h: Update from glibc.
2009-07-21 Ulrich Drepper <drepper@redhat.com>
* elf32_updatefile.c (__elfXX_updatemmap): Fix handling of gaps between
sections. Patch by Lubomir Rintel <lkundrak@v3.sk>.
2009-07-08 Roland McGrath <roland@redhat.com>
* libelfP.h (struct Elf): Remove unused ar.has_index field.
Reorder various members for optimal packing.
2009-07-08 Ulrich Drepper <drepper@redhat.com>
* elf.h: Update from glibc.
2009-06-13 Ulrich Drepper <drepper@redhat.com>
* Makefile.am (libelf_a_SOURCES): Replace elf_getshnum.c and
elf_getshstrndx.c with elf_getshdrnum.c and elf_getshdrstrndx.c.
* elf_getshnum.c: Renamed to...
* elf_getshdrnum.c: ...this. Rename function and add old name as
alias. Likewise for internal functions with derived names.
* elf_getshstrndx.c: Renamed to...
* elf_getshdrstrndx.c: ...this. Rename function and add old name as
alias. Likewise for internal functions with derived names.
* libelf.h: Add prototypes for new names. Make old names as
deprecated.
* libelfP.h: Rename internal function prototypes.
* libelf.map: Export for names.
* elf32_checksum.c: Don't use deprecated functions.
* elf32_getshdr.c: Likewise.
2009-06-01 Ulrich Drepper <drepper@redhat.com>
* elf.h: Update from glibc.
2009-04-14 Roland McGrath <roland@redhat.com>
* elf.h: Update from glibc.
2009-04-01 Roland McGrath <roland@redhat.com>
* elf.h: Update from glibc.
2009-02-10 Ulrich Drepper <drepper@redhat.com>
* elf32_updatefile.c (updatefile): For the zeroth section we still
have to copy the section header.
2009-02-01 Ulrich Drepper <drepper@redhat.com>
* elf_strptr.c: Add comment re possible problem.
2009-01-26 Ulrich Drepper <drepper@redhat.com>
* elf32_updatenull.c (updatenull_wrlock): Fix comment of
ELF_F_LAYOUT behaviour re section header table.
2009-01-22 Ulrich Drepper <drepper@redhat.com>
* elf32_updatefile.c (__elfXX_updatemmap): Fill the gap between
sections even if only the section at the start of the gap has been
changed.
(__elfXX_updatefile): Likewise.
2009-01-21 Ulrich Drepper <drepper@redhat.com>
* elf32_updatefile.c (__elfXX_updatemmap): Skip most of the loop to
handle sections for NOBITS sections.
(elfXX_updatefile): Likewise.
* elf32_updatefile.c (__elfXX_updatemmap): When skipping non-NOBITS
sections we haven't loaded, update last_position based on scn_start,
not based on old value. Don't run the loop for the dummy section 0.
(elfXX_updatefile): Don't run the loop for the dummy section 0.
2009-01-10 Ulrich Drepper <drepper@redhat.com>
* libelfP.h (_): We only have one translation domain, elfutils.
* Makefile.am: Use USE_LOCKS instead of USE_TLS.
* elf_error.c: Always use __thread. Remove all !USE_TLS code.
2009-01-04 Roland McGrath <roland@redhat.com>
* note_xlate.h (elf_cvt_note): Don't examine a size too small to
container a note header.
2008-12-11 Roland McGrath <roland@redhat.com>
* 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 <roland@redhat.com>
* elf_getarhdr.c (elf_getarhdr): Fix missing rename in last change.
2008-10-22 Petr Machata <pmachata@redhat.com>
* elf_rawfile.c (elf_rawfile): Lock around elf-> references.
2008-10-21 Petr Machata <pmachata@redhat.com>
* 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 <pmachata@redhat.com>
* 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 <pmachata@redhat.com>
* 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 <pmachata@redhat.com>
* 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 <pmachata@redhat.com>
* elf_getdata.c (__elf_getdata_rdlock): Lock before converting.
2008-11-26 Roland McGrath <roland@redhat.com>
* elf.h: Update from glibc.
2008-10-06 Roland McGrath <roland@redhat.com>
* elf_getarhdr.c (elf_getarhdr): Return NULL when passed NULL.
2008-08-27 Roland McGrath <roland@redhat.com>
* 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 <roland@redhat.com>
* Makefile.am (libelf_so_LDLIBS): New variable.
(libelf.so): Use it in the link.
2008-08-21 Petr Machata <pmachata@redhat.com>
* 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 <pmachata@redhat.com>
* 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 <pmachata@redhat.com>
* 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 <pmachata@redhat.com>
* 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 <pmachata@redhat.com>
* libelfP.h (RWLOCK_RDLOCK, RWLOCK_WRLOCK, RWLOCK_UNLOCK): New macros.
2008-07-28 Roland McGrath <roland@redhat.com>
* elf.h: Update from glibc.
2008-03-31 Roland McGrath <roland@redhat.com>
* elf32_offscn.c: Make sure shdrs have been read in.
2008-02-19 Roland McGrath <roland@redhat.com>
* elf.h: Update from glibc.
2008-02-08 Roland McGrath <roland@redhat.com>
* elf.h: Update from glibc.
2008-01-31 Ulrich Drepper <drepper@redhat.com>
* 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 <roland@redhat.com>
* elf.h: Update from glibc.
2008-01-26 Roland McGrath <roland@redhat.com>
* 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 <roland@redhat.com>
* elf_getaroff.c: Calculate from start_offset, instead of using
parent's state.ar.offset field.
2008-01-08 Roland McGrath <roland@redhat.com>
* Makefile.am (euinclude): Variable removed.
(pkginclude_HEADERS): Set this instead of euinclude_HEADERS.
2008-01-03 Roland McGrath <roland@redhat.com>
* common.h: Add __attribute__ ((unused)) to static functions.
2007-12-20 Ulrich Drepper <drepper@redhat.com>
* Makefile.am (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.
* libelf.map: Add elf_scnshndx to version ELFUTILS_1.4.
2007-11-12 Roland McGrath <roland@redhat.com>
* 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 <roland@redhat.com>
* libelf.h (Elf_Data): Comment fix.
2007-10-18 Roland McGrath <roland@redhat.com>
* elf.h: Update from glibc.
2007-10-07 Roland McGrath <roland@redhat.com>
* 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 <roland@redhat.com>
* elf_end.c (elf_end): Don't free ELF->state.ar.ar_sym when it's -1l.
2007-10-03 Roland McGrath <roland@redhat.com>
* 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.
* Makefile.am (libelf_a_SOURCES): Remove them.
* libelf.map (ELFUTILS_1.0): Remove exports.
* gelf.h: Remove decls.
* elf_getdata_rawchunk.c: New file.
* Makefile.am (libelf_a_SOURCES): Add it.
* libelf.map (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 <roland@redhat.com>
* gelf_getnote.c: New file.
* Makefile.am (libelf_a_SOURCES): Add it.
* gelf.h: Declare gelf_getnote.
* libelf.map (ELFUTILS_1.3): Add gelf_getnote.
* libelfP.h (NOTE_ALIGN): New macro.
* note_xlate.h: New file.
* Makefile.am (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 <roland@redhat.com>
* gelf_update_auxv.c: New file.
* gelf_getauxv.c: New file.
* Makefile.am (libelf_a_SOURCES): Add them.
* gelf.h: Declare gelf_getauxv, gelf_update_auxv.
* libelf.map (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 <roland@redhat.com>
* elf32_updatefile.c (compare_sections): Sort secondarily on sh_size,
and only tertiarily on index.
2007-07-09 Roland McGrath <roland@redhat.com>
* elf.h: Update from glibc.
2007-04-22 Roland McGrath <roland@redhat.com>
* elf.h: Update from glibc.
2007-03-18 Roland McGrath <roland@redhat.com>
* 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 <roland@redhat.com>
* 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 <drepper@redhat.com>
* Makefile (libelf.so): Build with -z relro.
* elf_begin.c (read_file): When using ELF_C_READ_MMAP use MAP_PRIVATE.
2007-01-30 Ulrich Drepper <drepper@redhat.com>
* nlist.c: Close file descriptor before returning.
2007-01-20 Roland McGrath <roland@redhat.com>
* 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
MY_ELFDATA on !ALLOW_UNALIGNED machines.
2007-01-18 Roland McGrath <roland@redhat.com>
* gelf_rawchunk.c (gelf_rawchunk): Clear RESULT pointer after freeing
it on read error.
2006-10-13 Roland McGrath <roland@redhat.com>
* 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 <roland@redhat.com>
* elf32_getphdr.c: Don't byteswap phdr fields when EI_DATA matches
MY_ELFDATA on !ALLOW_UNALIGNED machines.
Reported by Christian Aichinger <Greek0@gmx.net>.
* Makefile.am (CLEANFILES): Add libelf.so.$(VERSION).
2006-08-08 Ulrich Drepper <drepper@redhat.com>
* elf.h (DT_VALNUM): Update.
(DT_ADDRNUM): Likewise.
2006-07-12 Ulrich Drepper <drepper@redhat.com>
* 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 <drepper@redhat.com>
* 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.
* Makefile.am (noinst_HEADERS): Add gnuhash_xlate.h.
2006-07-06 Ulrich Drepper <drepper@redhat.com>
* elf_gnu_hash.c: New file.
* libelf.h: Declare elf_gnu_hash.
* Makefile.am (libelf_a_SOURCES): Add elf_gnu_hash.
* libelf.map: Add elf_gnu_map for version ELFUTILS_1.2.
2006-06-15 Roland McGrath <roland@redhat.com>
* libelf.h (elf_getarsym): Fix comment typo.
Rename second parameter to be more explanatory.
(elf_getident, elf_rawhide): Likewise.
2006-05-28 Ulrich Drepper <drepper@redhat.com>
* elf32_updatefile.c (updatemmap): Preserve section content if
copying would overwrite them.
Fix msync paramters.
2006-04-04 Roland McGrath <roland@redhat.com>
* elf32_updatefile.c (updatemmap): Handle other-endian case.
2006-04-04 Ulrich Drepper <drepper@redhat.com>
* 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
out.
* elf_update.c: Remove debug message.
2005-12-07 Roland McGrath <roland@redhat.com>
* 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
calculations.
* elf32_getphdr.c: Likewise.
2005-11-19 Roland McGrath <roland@redhat.com>
* elf.h: Update from glibc.
2005-11-17 Roland McGrath <roland@redhat.com>
* elf.h: Update from glibc.
2005-11-10 Roland McGrath <roland@redhat.com>
* elf.h: Update from glibc.
2005-09-09 Roland McGrath <roland@redhat.com>
* 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 <drepper@redhat.com>
* 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.
* Makefile.am: Use $(LINK) not $(CC) when creating DSO.
(%.os): Use COMPILE.os.
(COMPILE.os): Filter out gconv options.
2005-08-27 Ulrich Drepper <drepper@redhat.com>
* 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 <drepper@redhat.com>
* elf_begin.c (__libelf_next_arhdr): Use TEMP_FAILURE_RETRY.
* Makefile (libelf_a_SOURCES): Add elf_getaroff.c.
* libelf.map: Export elf_getaroff.
* libelf.h: Declare elf_getaroff.
* elf_getaroff.c: New file.
2005-08-13 Ulrich Drepper <drepper@redhat.com>
* elf_begin.c (get_shnum): Optimize memory handling. Always read from
mapped file if available. Fix access to 64-bit sh_size. Recognize
overflow.
(file_read_elf): Likewise.
2005-08-12 Roland McGrath <roland@redhat.com>
* elf32_offscn.c: Do not match empty sections at OFFSET unless
there are no nonempty sections at that offset.
2005-08-07 Ulrich Drepper <drepper@redhat.com>
* elf.h: Update from glibc.
2005-08-06 Ulrich Drepper <drepper@redhat.com>
* Makefile.am (AM_CFLAGS): Add -fpic when BUILD_STATIC.
2005-08-03 Ulrich Drepper <drepper@redhat.com>
* libelf.map: Move elf32_offscn, elf64_offscn, and gelf_offscn in
new version ELFUTILS_1.1.1.
2005-08-02 Ulrich Drepper <drepper@redhat.com>
* 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.
* Makefile.am (libelf_a_SOURCES): Add elf32_offscn.c, elf64_offscn.c,
and gelf_offscn.c.
* libelf.sym: Export new symbols.
2005-07-23 Ulrich Drepper <drepper@redhat.com>
* 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 <drepper@redhat.com>
* 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 <drepper@redhat.com>
* elf.h: Update again.
2005-05-09 Ulrich Drepper <drepper@redhat.com>
* elf.h: Update from glibc.
2005-05-08 Roland McGrath <roland@redhat.com>
* elf_begin.c (read_file) [_MUDFLAP]: Don't use mmap for now.
* elf_update.c (write_file) [_MUDFLAP]: Likewise.
2005-03-29 Ulrich Drepper <drepper@redhat.com>
* 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 <drepper@redhat.com>
* common.h (CONVERT): Make sure all values are unsigned.
(CONVERT_TO): Likewise.
* Makefile.am (AM_CFLAGS): Add -Wformat=2.
Fix rule to build libelf.so.
2005-02-06 Ulrich Drepper <drepper@redhat.com>
* Makefile.am: 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 <drepper@redhat.com>
* Makefile.am: Check for text relocations in constructed DSO.
* Makefile.am [MUDFLAP] (AM_CFLAGS): Add -Werror -fpic -fmudflap.
2005-02-04 Ulrich Drepper <drepper@redhat.com>
* 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 <drepper@redhat.com>
* 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 <drepper@redhat.com>
* elf.h: Update from glibc.
2004-01-23 Ulrich Drepper <drepper@redhat.com>
* 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.
* libelf.map: Add new symbols to ELFUTILS_1.1.
* Makefile.am (libelf_a_SOURCES): Add gelf_getlib.c and
gelf_update_lib.c.
2004-01-17 Ulrich Drepper <drepper@redhat.com>
* Makefile.am: 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 <drepper@redhat.com>
* elf-knowledge.h: New file. From libelf subdir.
* Makefile.am (euincludedir): Define.
(euinclude_HEADERS): Add elf-knowledge.h.
2003-09-24 Ulrich Drepper <drepper@redhat.com>
* elf.h: Define some PT_IA_64_HP_* constants.
2003-09-23 Jakub Jelinek <jakub@redhat.com>
* libelfP.h (struct Elf): Move state.elf64.sizestr_offset after
state.elf64.scnincr to match state.elf{,32}.
2003-08-12 Ulrich Drepper <drepper@redhat.com>
* 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 <drepper@redhat.com>
* Moved to CVS archive.
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