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ChangeLog
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2022-10-28 Mark Wielaard <[email protected]>
* elf.h: Update from glibc.
2022-10-21 Yonggang Luo <[email protected]>
* libelf_crc32.c: Remove LIB_SYSTEM_H define.
2022-09-20 Yonggang Luo <[email protected]>
* elf32_checksum.c: Use BYTE_ORDER, LITTLE_ENDIAN and BIG_ENDIAN.
* elf32_xlatetof.c: Likewise.
* elf_getarsym.c: Likewise.
2022-10-16 Yonggang Luo <[email protected]>
* common.h: Remove ar.h, byteswap.h and endian.h.
* elf32_checksum.c: Remove endian.h.
* elf32_getphdr.c: Remove unistd.h and system.h.
* elf32_getshdr.c: Remove unistd.h.h and system.h.
* elf32_updatefile.c: Remove unistd.h, sys/mman.h and system.h.
* elf32_updatenull.c: Remove endian.h and system.h.
* elf32_xlatetof.c: Remove endian.h.
* elf32_xlatetom.c: Likewise.
* elf_begin.c: Remove unistd.h, sys/mman.h and system.h.
* elf_cntl.c: Remove unistd.h.
* elf_compress.c: Remove system.h and unistd.h.
* elf_end.c: Remove sys.mman.h.
* elf_getarsym.c: Remove byteswap.h, endian.h, unistd.h and
system.h.
* elf_getdata.c: Remove unistd.h and system.h.
* elf_getdata_rawchunk.c: Remove unistd.h and system.h.
* elf_getshdrstrndx.c: Likewise.
* elf_readall.c: Likewise.
* elf_update.c: Remove unistd.h and sys/mman.h.
* gelf_xlate.c: Remove byteswap.h.
* libelfP.h: Add system.h.
* nlist.c: Remove unistd.h.
2022-08-28 Mark Wielaard <[email protected]>
* elf_begin.c (__libelf_next_arhdr_wrlock): Add OCT_FIELD macro,
like INT_FIELD but use strtol with octal base 8. Use for ar_mode.
2022-08-08 Andreas Schwab <[email protected]>
* elf.h: Update from glibc.
2022-04-24 Mark Wielaard <[email protected]>
* elf_update.c (write_file): Check HAVE_MREMAP.
2022-04-01 Mark Wielaard <[email protected]>
* libelfP.h (struct Elf_Data_Chunk): Add an int64_t offset field.
* elf_getdata_rawchunk.c (elf_getdata_rawchunk): Check whether the
requested chunk, offset, size and type, was already handed out.
Set new Elf_Data_Chunk offset field.
2022-03-29 Mark Wielaard <[email protected]>
* gelf_xlate.c (START): Define and use sz variable.
(END): Use sz variable to decide whether to do a memmove.
2022-03-24 Mark Wielaard <[email protected]>
* elf.h: Update from glibc.
2022-03-22 Mark Wielaard <[email protected]>
* elf_getdata.c (__libelf_type_aligns): ELF_T_GNUHASH has different
alignment for ELFCLASS32 and ELFCLASS64.
2022-03-20 Mark Wielaard <[email protected]>
* version_xlate.h (elf_cvt_Verdef): Make sure aux_offset and
def_offset don't overflow.
(elf_cvt_Verneed): Make sure aux_offset and need_offset don't
overflow.
2022-03-18 Mark Wielaard <[email protected]>
* version_xlate.h (elf_cvt_Verdef): Check alignment of def_offset
and aux_offset.
(elf_cvt_Verneed): Check alignment of need_offset and aux_offset.
2022-03-17 Mark Wielaard <[email protected]>
* elf_begin.c (read_long_names): Check ar_size starts with a digit.
2022-03-17 Mark Wielaard <[email protected]>
* elf_begin.c (get_shnum): Take offset into account for Shdr
alignment check.
2021-12-19 Mark Wielaard <[email protected]>
* elf_begin.c (file_read_elf): Cast ehdr to uintptr_t before e_shoff
alignment check. Only set shdr state when scncnt is larger than zero.
2021-12-16 Mark Wielaard <[email protected]>
* libelfP.h (NOTE_ALIGN4): And with negative unsigned long.
(NOTE_ALIGN8): Likewise.
2021-12-15 Mark Wielaard <[email protected]>
* elf_begin.c (get_shnum): Use offsetof to get field of unaligned
struct.
2021-09-06 Dmitry V. Levin <[email protected]>
* common.h (allocate_elf): Remove cast of calloc return value.
* elf_newdata.c (elf_newdata): Likewise.
* elf_getscn.c (elf_getscn): Remove casts of calloc return values.
* elf_newscn.c (elf_newscn): Likewise.
* elf32_updatefile.c (__elfw2): Remove casts of malloc return values.
* elf_getdata.c (convert_data): Likewise.
(__libelf_set_rawdata_wrlock): Remove cast of malloc return value.
* elf_begin.c (read_long_names): Remove cast of malloc return value.
* elf_readall.c (__libelf_readall): Likewise.
* elf_getarsym.c (elf_getarsym): Remove casts of malloc and realloc
return values.
2021-07-19 Mark Wielaard <[email protected]>
* elf_strptr.c (validate_str): Check last char is zero first before
calling memrchr on the whole block.
2021-06-09 Andrei Homescu <[email protected]>
* elf_getdata.c: Fix d_align for sections where alignment is larger
than offset.
2020-12-12 Mark Wielaard <[email protected]>
* elf.h: Update from glibc.
2020-12-16 Dmitry V. Levin <[email protected]>
* libelfP.h (_): Remove.
2020-12-15 Mark Wielaard <[email protected]>
* elf_begin.c (get_shnum): Make sure the full Ehdr is available.
2020-12-12 Dmitry V. Levin <[email protected]>
* common.h: Fix spelling typo in comment.
* gelf.h: Likewise.
* libelf.h: Likewise.
* libelfP.h: Likewise.
* elf32_checksum.c (elfw2): Likewise.
* elf_begin.c (dup_elf, write_file): Likewise.
* elf_compress.c (__libelf_compress): Likewise.
* elf_compress_gnu.c (elf_compress_gnu): Likewise.
2020-12-11 Dmitry V. Levin <[email protected]>
* Makefile.am (GCC_INCLUDE): Remove.
2020-12-09 Dmitry V. Levin <[email protected]>
* Makefile.am (noinst_PROGRAMS): Rename to noinst_DATA.
(libelf_so_SOURCES): Remove.
(CLEANFILES): Add libelf.so.
2020-11-30 Dmitry V. Levin <[email protected]>
* Makefile.am (libelf.so$(EXEEXT)): Drop $(EXEEXT) suffix.
2020-11-06 Mark Wielaard <[email protected]>
* elf-knowledge.h (SH_ENTSIZE_HASH): Update comment.
2020-11-01 Mark Wielaard <[email protected]>
* elf_strptr.c (elf_strptr): Check shdr is not NULL.
2020-11-01 Mark Wielaard <[email protected]>
* elf_getphdrnum.c (__elf_getphdrnum_rdlock): Set *dst to zero on
error.
2020-11-01 Mark Wielaard <[email protected]>
* libelfP.h (__libelf_data_type): Take an GElf_Ehdr instead of an
Elf handle.
* elf_getdata.c (__libelf_data_type): Likewise. And check ehdr
directly instead of fetching a new one.
(__libelf_set_rawdata_wrlock): Fetch Ehdr, report an error when that
fails, otherwise call __libelf_data_type.
2020-10-28 Mark Wielaard <[email protected]>
* elf.h: Update from glibc.
2020-08-28 Mark Wielaard <[email protected]>
* elf.h: Update from glibc.
2020-08-19 Mark Wielaard <[email protected]>
* elf32_updatenull.c (updatenull_wrlock): Fixup the sh_addralign
of an SHF_COMPRESSED section if necessary.
2020-06-04 Mark Wielaard <[email protected]>
* elf.h: Update from glibc.
2020-05-08 Mark Wielaard <[email protected]>
* elf_strptr.c (elf_strptr): Check shdr is not NULL.
2020-05-08 Mark Wielaard <[email protected]>
* elf_getdata.c (__libelf_set_rawdata_wrlock): Check
__gelf_getehdr_rdlock return value.
2020-04-25 Mark Wielaard <[email protected]>
* elf_compress.c (__libelf_compress): Remove free (out_buf).
2020-03-18 Omar Sandoval <[email protected]>
* elf_getphdrnum.c (__elf_getphdrnum_rdlock): Call
__elf{32,64}_getshdr_rdlock if the shdr is not cached.
2019-03-20 Matthias Maennich <[email protected]>
* elf_compress.c (__libelf_compress): Always call deflate_cleanup
in failure path. Call deflateEnd only once.
(__libelf_decompress): Call inflateEnd only once.
2019-06-18 Mark Wielaard <[email protected]>
* common.h (allocate_elf): Use int64_t instead of off_t for offset.
* elf32_newphdr.c (newphdr): Document why Elf32/64_Word is correct.
* elf32_updatefile.c (fill): Use int64_t instead of off_t for pos.
(updatefile): Define last_offset, shdr_offset and scn_start as
int64_t instead of off_t.
* elf32_updatenull.c: Define Elf32_SizeWord and Elf64_SizeWord.
(updatenull_wrlock): Return int64_t instead of off_t. Define size,
sh_entsize, sh_align and sh_size as SizeWords. Define offset as
int64_t. Cast data->d_off to SizeWord instead of GElf_Word. Drop
size GElf_Word cast. Cast offset to SizeWord instead of GElf_Word
when comparing with sh_size.
* elf_begin.c (get_shnum): Define offset as int64_t instead of
off_t. Document why use GElf_Word is correct.
(file_read_elf): Define offset as int64_t instead of off_t.
(__libelf_read_mmaped_file): Likewise.
(read_unmmaped_file): Likewise.
(read_file): Likewise.
* elf_getaroff.c (elf_getaroff): Return int64_t.
* elf_getbase.c (elf_getbase): Likewise.
* elf_getdata_rawchunk.c (elf_getdata_rawchunk): Define offset as
int64_t instead of off_t.
* elf_update.c (write_file): Return int64_t instead of off_t,
define size as int64_t instead of off_t.
(elf_update): Likewise.
* libelfP.h (struct Elf): Define start_offset, sizestr_offset and
offset as int64_t.
(__libelf_read_mmaped_file): Define offset as int64_t.
(__elf32_updatenull_wrlock): Return int64_t.
(__elf64_updatenull_wrlock): Return int64_t.
2019-05-12 Mark Wielaard <[email protected]>
* elf32_updatenull.c (updatenull_wrlock): Mark shdr_flags dirty if
either offset or size changed.
2019-05-01 Mark Wielaard <[email protected]>
* gelf_getnote.c (gelf_getnote): Check n_namesz doesn't overflow
offset.
2019-04-30 Mark Wielaard <[email protected]>
* note_xlate.h (elf_cvt_note): Indicate we only translated the note
header if we ran out of data by updating len, src and dest.
2019-04-01 Mao Han <[email protected]>
* elf.h: Update from glibc.
2019-03-07 Mark Wielaard <[email protected]>
* elf32_updatefile.c (updatemmap): Use posix_memalign instead of
aligned_alloc.
2019-03-06 Mark Wielaard <[email protected]>
* elf32_updatefile.c (updatemmap): Free scns before returning
allocation failure.
2019-02-24 Mark Wielaard <[email protected]>
* gelf_xlate.c (__elf_xfctstof): Remove alias.
* libelfP.h (__elf_xfctstof): Remove definition.
2019-02-24 Mark Wielaard <[email protected]>
* elf32_fsize.c (local_strong_alias): Remove definition.
(msize): Remove alias.
* libelfP.h (__elf32_msize): Remove definition.
(__elf64_msize): Likewise.
2019-02-21 Mark Wielaard <[email protected]>
* common.h (determine_kind): Only accept EV_CURRENT.
* elf32_fsize.c (fsize): Just check version is EV_CURRENT.
Use __libelf_type_size without version dimension.
* elf32_updatefile.c (updatemmap): Define fctp from __elf_xfctstom
without version dimension.
(updatefile): Likewise.
* elf32_updatenull.c (default_ehdr): Check e_version is EV_CURRENT.
(updatenull_wrlock): Check d_version is EV_CURRENT.
(elf32_xlatetof): Likewise. And get recsize without version
dimension from __elf_xfctstom.
(elf32_xlatetom): Likewise.
* elf_begin.c (elf_begin): Check __libelf_version is EV_CURRENT.
* elf_compress.c (__libelf_reset_rawdata): Set d_version to
EV_CURRENT.
* elf_getdata.c (shtype_map): Remove version dimension.
(__libelf_type_aligns): Likewise.
(__libelf_data_type): Use shtype_map without version dimension.
(convert_data): Remove unused version argument. Get fp from
__elf_xfctstom without version dimensions.
(__libelf_set_data_list_rdlock): Call convert_data without version.
* elf_getdata_rawchunk.c (elf_getdata_rawchunk): Call __elfcfctstom
conversion function without version dimensions. Set d_version to
EV_CURRENT.
* elf_newdata.c (elf_newdata): Set d_version to EV_CURRENT.
* elf_version.c (__libelf_version_initialized): Removed.
(__libelf_version): Initialized to EV_NONE.
(elf_version): Always return EV_CURRENT for EV_NONE version.
Only accept (and return) EV_CURRENT as version.
* gelf_fsize.c (__libelf_type_sizes): Remove version dimension.
(gelf_fsize): Only accept EV_CURRENT as version.
Use __libelf_type_sizes without version dimension.
* gelf_xlate.c (__elf_xftstom): Remove version dimensions.
* libelfP.h (__elf_xfctstom): Defined without version dimensions.
(__elf_xfctstof): Likewise.
(__libelf_type_sizes): Define without version dimension.
(elf_typesize): Define using __libelf_type_sizes without version
dimension.
(__libelf_version_initialized): Remove definition.
(__libelf_version): Add definition.
(LIBELF_EV_IDX): Removed define.
(__libelf_type_aligns): Remove version dimension.
* nlist.c (nlist): Call elf_version unconditionally.
2019-02-19 Mark Wielaard <[email protected]>
* elf_compress.c (do_deflate_cleanup): Remove ei_data argument,
check cdatap is not NULL before calling free.
(deflate_cleanup): Add cdata as argument.
(__libelf_compress): Also check whether the d_size is not zero
before converting data. Call deflate_cleanup with an extra
argument depending on whether there is converted data to free.
Always allocate allocate at least one byte for buf_out.
2019-02-14 Mark Wielaard <[email protected]>
* elf_begin.c (read_long_names): Make sure ar_size is properly
terminated. Sanity check len early if we can.
2019-01-18 Mark Wielaard <[email protected]>
* Makefile.am (INSTALL_ELFH): Add elf.h to include_HEADERS when
defined, otherwise (the default) add elf.h to noinst_HEADERS.
2019-01-16 Mark Wielaard <[email protected]>
* note_xlate.h (elf_cvt_note): Check n_namesz and n_descsz don't
overflow note_len into note header.
2018-11-17 Mark Wielaard <[email protected]>
* elf32_updatefile.c (updatemmap): Make sure to call convert
function on a properly aligned destination.
2018-11-16 Mark Wielaard <[email protected]>
* libebl.h (__elf32_msize): Mark with const attribute.
(__elf64_msize): Likewise.
2018-11-13 Mark Wielaard <[email protected]>
* elf_getdata.c (__libelf_set_rawdata_wrlock): Explicitly set the
alignment of SHF_COMPRESSED data to the alignment of ELF_T_CHDR.
* elf_compress.c (elf_compress): After compression set sh_addralign
to the alignment of ELF_T_CHDR.
2018-11-09 Mark Wielaard <[email protected]>
* elf_compress_gnu.c (elf_compress_gnu): Use elf_getdata.
2018-11-12 Mark Wielaard <[email protected]>
* elf-knowledge.c (ELF_NOTE_GNU_BUILD_ATTRIBUTE_PREFIX): New define.
(NT_GNU_BUILD_ATTRIBUTE_{OPEN,FUNC}): Likewise.
(GNU_BUILD_ATTRIBUTE_TYPE_{NUMERIC,STRING,BOOL_TRUE,BOOL_FALSE}):
Likewise.
(GNU_BUILD_ATTRIBUTE_{VERSION,STACK_PROT,RELRO,STACK_SIZE,TOOL,ABI,
PIC,SHORT_ENUM}): Likewise.
2018-11-09 Mark Wielaard <[email protected]>
* elf_compress.c (__libelf_reset_rawdata): Make rawdata change
explicit by calling __libelf_set_data_list.
* elf_getdata.c (convert_data): Don't convert if type is ELF_T_BYTE
even if endianness is different.
2018-10-18 Mark Wielaard <[email protected]>
* libelf.h (Elf_Type): Add ELF_T_NHDR8.
* libelfP.h (__libelf_data_type): Add align argument.
(NOTE_ALIGN): Split into...
(NOTE_ALIGN4): ... and ...
(NOTE_ALIGN8): this.
* elf32_xlatetom.c (xlatetom): Recognize both ELF_T_NHDR and
ELF_T_NHDR8.
* elf_compress.c (elf_compress): Pass zdata_align to
__libelf_data_type.
* elf_compress_gnu.c (elf_compress_gnu): Pass sh_addralign to
__libelf_data_type.
* elf_getdata.c (shtype_map): Add ELF_T_NHDR8.
(__libelf_data_type): Take align as extra argument, use it to
determine Elf_Type.
(__libelf_set_rawdata_wrlock): Recognize ELF_T_NHDR8. Pass align to
__libelf_data_type.
* gelf_fsize.c (__libelf_type_sizes): Add ELF_T_NHDR8.
* gelf_getnote.c (gelf_getnote): Use Elf_Type of Elf_Data to calculate
padding.
* gelf_xlate.c (__elf_xfctstom): Set ELF_T_NHDR to elf_cvt_note4,
add ELF_T_NHDR8.
* note_xlate.h (elf_cvt_note): Take nhdr8 argument and use it to
determine padding.
(elf_cvt_note4): New function.
(elf_cvt_note8): Likewise.
2018-09-13 Mark Wielaard <[email protected]>
* elf32_updatefile.c (updatemmap): Use shnum, not ehdr->e_shnum.
* elf_getscn.c (elf_getscn): Create section zero if it is requested,
but doesn't exist yet.
2018-09-12 Mark Wielaard <[email protected]>
* elf32_updatefile.c (updatemmap): Use memmove, not memcpy.
* elf_update.c (write_file): Try to mremap if file needs to be
extended.
2018-08-18 Mark Wielaard <[email protected]>
* libelf.h (elf_compress_gnu): Add documentation about
interaction between SHF_COMPRESED and elf_compress_gnu.
* elf_compress_gnu.c (elf_compress_gnu): Return error if section
sh_flags has SHF_COMPRESSED set.
2018-07-27 Mark Wielaard <[email protected]>
* libelf.h (elf_getshdrstrndx): Fix documentation.
(elf_getshstrndx): Likewise.
2018-06-19 Mark Wielaard <[email protected]>
* libelfP.h (__libelf_type_align): Remove !ALLOW_UNALIGNED guard.
* elf_getdata.c (__libelf_type_aligns): Likewise.
(convert_data): Remove ALLOW_UNALIGNED check.
* elf_getdata_rawchunk.c (elf_getdata_rawchunk): Likewise.
2018-06-21 Mark Wielaard <[email protected]>
* elf.h: Update from glibc.
2018-04-19 Andreas Schwab <[email protected]>
* elf.h: Update from glibc.
2018-02-16 Mark Wielaard <[email protected]>
* elf.h: Update from glibc.
2018-02-09 Joshua Watt <[email protected]>
* elf32_updatenull.c (updatenull_wrlock): Use FALLTHROUGH macro
instead of comment.
* elf_begin.c (read_unmmaped_file): Likewise.
(elf_begin): Likewise.
* elf_cntl.c (elf_cntl): Likewise.
2017-10-04 Mark Wielaard <[email protected]>
* elf_begin.c (file_read_elf): Skip sanity checking e_shoff if scncnt
is zero, we won't use it then.
2017-10-04 Mark Wielaard <[email protected]>
* libelfP.h: Add ELF_E_INVALID_ELF to error values enum.
* elf_error.c (ELF_E_INVALID_ELF_IDX): New define. Use it as value
for ELF_E_INVALID_ELF in msgidx.
* elf_getshdrstrndx.c (elf_getshdrstrndx): Distinquish between pread
failing and not having enough data.
* elf_begin.c (get_shnum): Likewise. Explicitly set libelf errno on
too large value.
(file_read_elf): Make sure to always set libelf errno when returning
NULL. Distinquish between i/o file and elf data errors.
2017-08-18 Ulf Hermann <[email protected]>
* gelf_xlate.c: Use attribute_packed.
2017-04-27 Ulf Hermann <[email protected]>
* libelfP.h: Use attribute_hidden.
2017-04-27 Ulf Hermann <[email protected]>
* Makefile.am: Use fpic_CFLAGS and dso_LDFLAGS.
2017-08-15 Mark Wielaard <[email protected]>
* elf.h: Update from glibc. Add new powerpc note descriptors.
2017-07-19 Gustavo Romero <[email protected]>
* elf.h: Add known type in notes segment descriptor for HTM SPRs.
2017-02-17 Ulf hermann <[email protected]>
* Makefile.am: Add libelf_so_DEPS, which include libeu.a,
libelf_so_LIBS.
(libelf_so_LDLIBS): Add $(libelf_so_DEPS).
(libelf.so$(EXEEXT): Use $(libelf_so_LIBS), require libelf.map
from the right directory.
2017-04-20 Ulf Hermann <[email protected]>
* libelfP.h: Don't include config.h.
2017-04-20 Ulf Hermann <[email protected]>
* elf_begin.c: Use F_GETFD rather than F_GETFL.
2017-04-20 Ulf Hermann <[email protected]>
* libelf.h: Define macros for various function attributes and use
them.
2017-04-20 Ulf Hermann <[email protected]>
* elf_update.c: Set ELF_F_MMAPPED flag if we mmap from elf_update.
2017-04-19 Mark Wielaard <[email protected]>
* elf_getarsym.c (elf_getarsym): Initialize n to zero.
2017-03-27 Mark Wielaard <[email protected]>
* elf32_updatefile.c (updatemmap): Always update last_positition.
(updatefile): Likewise.
2017-03-24 Mark Wielaard <[email protected]>
* elf_compress.c (__libelf_decompress): Check insane compression
ratios before trying to allocate output buffer.
2016-10-11 Akihiko Odaki <[email protected]>
Mark Wielaard <[email protected]>
* gelf.h (gelf_newehdr): Change return type to void *.
(gelf_newphdr): Likewise.
* gelf_newehdr.c (gelf_newehdr): Likewise.
* gelf_newphdr.c (gelf_newphdr): Likewise.
2016-10-21 Mark Wielaard <[email protected]>
* elf_getdata.c (__libelf_set_rawdata_wrlock): Sanity check
offset and size before trying to malloc and read data.
2016-10-26 Mark Wielaard <[email protected]>
* elf_begin.c (read_file): Always set maxsize when parent == NULL.
2016-10-11 Akihiko Odaki <[email protected]>
* elf_getarsym.c (elf_getarsym): Open code rawmemchr when not
available.
* elf_strptr.c: Include stdbool.h.
(validate_str): New function.
(elf_strptr): Use validate_str instead of memrchr.
2016-10-11 Akihiko Odaki <[email protected]>
* elf32_updatefile.c: Remove sys/param.h include.
* elf32_updatenull.c: Likewise. Add system.h include.
* elf_begin.c: Remove sys/param.h.
* elf_compress: Likewise. Add system.h include.
(MAX): Remove definition.
2016-08-07 Mark Wielaard <[email protected]>
* elf_compress.c (__libelf_reset_rawdata): Check scn->flags and
free rawdata_base when malloced. Set ELF_F_MALLOCED for scn->flags.
* elf_end.c (elf_end): Check scn->flags and free rawdata_base if
malloced.
* libelfP.h (struct Elf_Scn): Document flags ELF_F_MALLOCED usage.
2016-07-06 Mark Wielaard <[email protected]>
* elf-knowledge.h (SH_FLAGS_COMBINE): Removed.
(SH_FLAGS_IMPORTANT): Likewise.
2016-07-06 Mark Wielaard <[email protected]>
* elf32_updatenull.c (updatenull_wrlock): Ignore e_type when
updating phdrs.
* elf_getphdrnum.c (__elf_getphdrnum_chk_rdlock): Only do sanity
checking if phdrs haven't been read in yet.
2016-06-24 John Ogness <[email protected]>
* elf32_updatenull.c (updatenull_wrlock): Find first section.
* elf_nextscn.c (elf_nextscn): When scn is NULL start from 0th
section.
2016-06-28 Richard Henderson <[email protected]>
* elf.h: Update from glibc. Add lots of new EM_* definitions.
2016-04-14 Mark Wielaard <[email protected]>
* elf_compress.c (__libelf_compress): Free out_buf if deflateInit
fails.
2016-02-13 Mark Wielaard <[email protected]>
* elf32_updatefile.c (updatemmap): Free scns when out of memory.
2016-01-28 Mark Wielaard <[email protected]>
* elf.h: Update from glibc. Add new i386 and x86_64 relocations.
2016-02-12 Mark Wielaard <[email protected]>
* elf.h: Update from glibc. Add NT_ARM_SYSTEM_CALL.
2016-02-04 Mark Wielaard <[email protected]>
* elf_getdata.c (__libelf_set_rawdata_wrlock): Don't adjust align
for SHT_NOBITS sections.
2016-01-22 Chih-Hung Hsieh <[email protected]>
* elf_compress.c (__libelf_compress): Move nested function
'do_deflate_cleanup' to file scope to compile with clang.
* elf_strptr.c (elf_strptr): Move nested function 'get_zdata'
to file scope to compile with clang.
2016-01-13 Mark Wielaard <[email protected]>
* libelf.h: Check SHF_COMPRESSED is defined. If not define it and the
associated ELF compression types/defines.
2015-11-26 Mark Wielaard <[email protected]>
* elf_compress.c (__libelf_decompress_elf): New function, extracted
from...
(elf_compress): here. Check zdata_base use __libelf_decompress_elf.
* elf_strptr.c (elf_strptr): If SHF_COMPRESSED check, uncompress and
use zdata.
* libelfP.h (struct Elf_Scn): Add zdata_size and zdata_align.
(__libelf_decompress_elf): New internal function definition.
2015-10-21 Mark Wielaard <[email protected]>
* Makefile.am (libelf_a_SOURCES): Add elf_compress.c and
elf_compress_gnu.c.
* elf_compress.c: New file.
* elf_compress_gnu.c: Likewise.
* elf_begin.c (file_read_elf): Make a writable copy of the shdrs
for ELF_C_READ_MMAP.
* elf_end.c (elf_end): Free zdata_base.
* elf_error.c: Add ELF_E_ALREADY_COMPRESSED,
ELF_E_UNKNOWN_COMPRESSION_TYPE, ELF_E_COMPRESS_ERROR and
ELF_E_DECOMPRESS_ERROR.
* elf_data.c (__libelf_data_type): New internal function extracted
from convert_data.
(convert_data): Handle SHF_COMPRESSED.
* elf32_updatenull.c (updatenull_wrlock): Check sh_entsize against
uncompressed section data size if SHF_COMPRESSED.
* elf32_getshdr.c (load_shdr_wrlock): Adjust assert to account for
ELF_C_READ_MMAP.
* libelf.h: Define elf_compress and elf_compress_gnu.
* libelf.map (ELFUTILS_1.7): Add elf_compress and elf_compress_gnu.
* libelfP.h: Add ELF_E_ALREADY_COMPRESSED,
ELF_E_UNKNOWN_COMPRESSION_TYPE, ELF_E_COMPRESS_ERROR and
ELF_E_DECOMPRESS_ERROR. Define __libelf_data_type.
(__libelf_compress): New internal function definition.
(__libelf_decompress): Likewise.
(__libelf_reset_rawdata): Likewise.
(__libelf_data_type): Likewise.
(struct Elf_Scn): Add zdata_base.
2015-11-19 Mark Wielaard <[email protected]>
* Makefile.am (libelf_a_SOURCES): Add elf32_getchdr.c,
elf64_getchdr.c and gelf_getchdr.c.
(noinst_HEADERS): Add chdr_xlate.h.
* abstract.h: Define Chdr32 and Chdr64.
* chdr_xlate.h: New file.
* elf32_getchdr.c: New file.
* elf64_getchdr.c: New file.
* elf_error.c: Add ELF_E_NOT_COMPRESSED, ELF_E_INVALID_SECTION_TYPE
and ELF_E_INVALID_SECTION_FLAGS.
* elf_getdata.c (__libelf_set_rawdata_wrlock): Set d_type to
ELF_T_CHDR for SHF_COMPRESSED sections.
* exttypes.h: Add Chdr32 and Chdr64.
* gelf.h (GElf_Chdr): New typedef.
(gelf_getchdr): New function definition.
* gelf_fsize.c (__libelf_type_sizes): Add ELF_T_CHDR.
* gelf_getchdr.c: New file.
* gelf_xlate.c (__elf_xfctstom): Add ELF_T_CHDR cvt_chdr.
* gelf_xlate.h: Add Chdr.
* libelf.h (Elf_Type): Add ELF_T_CHDR.
(elf32_getchdr): New function definition.
(elf64_getchdr): Likewise.
* libelf.map (ELFUTILS_1.7): New sections add elf32_getchdr,
elf64_getchdr and gelf_getchdr.
* libelfP.h: Add ELF_E_NOT_COMPRESSED, ELF_E_INVALID_SECTION_TYPE
and ELF_E_INVALID_SECTION_FLAGS.
2015-10-16 Mark Wielaard <[email protected]>
* Makefile.am (libelf_so_LDLIBS): Add -lz.
2015-10-14 Mark Wielaard <[email protected]>
* elf.h: Update from glibc. Add section compression constants and
structures.
2015-10-20 Jose E. Marchesi <[email protected]>
* elf_begin.c (get_shnum): Elf64_Shdr.sh_size is an Elf64_Xword.
Fix the size argument to pread_retry.
2015-10-13 Chih-Hung Hsieh <[email protected]>
* elf32_updatefile.c (__elfw2(LIBELFBITS,updatemmap)): Move nested
function 'fill_mmap' to file scope.
* elf_begin.c (elf_begin): Move nested function 'lock_dup_elf'
to file scope.
2015-10-09 Josh Stone <[email protected]>
* libelf.h: Replace loff_t with int64_t throughout.
2015-10-05 Mark Wielaard <[email protected]>
* elf_update.c (write_file): Only use posix_fallocate when using
mmap. Only report failure when errno is ENOSPC.
2015-10-09 Josh Stone <[email protected]>
* libelfP.h (struct Elf): Replace off64_t with off_t.
* elf_getdata_rawchunk.c (elf_getdata_rawchunk): Likewise.
2015-10-05 Chih-Hung Hsieh <[email protected]>
* elf_getarsym.c (elf_getarsym): Do not use
union of variable length arrays.
2015-10-05 Josh Stone <[email protected]>
* Makefile.am (libelf.so): Add AM_V_CCLD and AM_V_at silencers.
2015-09-24 Jose E. Marchesi <[email protected]>
* Makefile.am (AM_CFLAGS): Use -fPIC instead of -fpic to avoid
relocation overflows in some platforms.
2015-09-29 Mark Wielaard <[email protected]>
* elf32_updatenull.c (default_ehdr): Set e_version when EV_NONE.
(updatenull_wrlock): Always set e_shentsize.
2015-09-23 Mark Wielaard <[email protected]>
* elf32_getehdr.c (getehdr_wrlock): Mark as internal_function.
* elf32_getshdr.c (getshdr_rdlock): Likewise.
(getshdr_wrlock): Likewise.
* elf_error.c (__libelf_seterrno): Likewise.
* elf_getphdrnum.c (__elf_getphdrnum_rdlock): Likewise.
(__elf_getphdrnum_chk_rdlock): Likewise.
* elf_getshdrnum.c (__elf_getphdrnum_rdlock): Likewise.
(__elf_getphdrnum_chk_rdlock): Likewise.
* elf_getshdrnum.c (__elf_getshdrnum_rdlock): Likewise.
* elf_readall.c (__libelf_readall): Likewise.
* gelf_getehdr.c (__gelf_getehdr_rdlock): Likewise.
2015-09-22 Mark Wielaard <[email protected]>
* *.c: Remove old-style function definitions.
2015-06-22 Mark Wielaard <[email protected]>
* dl-hash.h: Update from glibc.
2015-06-18 Mark Wielaard <[email protected]>
* elf32_updatefile.c (updatefile): Always free shdr_data and scns
when allocated on failure paths.
2015-06-18 Mark Wielaard <[email protected]>
* nlist.c (nlist): Check symscn shdr exists before use.
2015-06-16 Mark Wielaard <[email protected]>
* elf_update.c (write_file): Always also use ftruncate before
posix_fallocate to make sure file has the right size.
2015-06-04 Mark Wielaard <[email protected]>
* elf_getdata.c (__libelf_type_aligns): Add entries for ELF_T_EHDR,
ELF_T_OFF, ELF_T_PHDR, ELF_T_SHDR, ELF_T_SWORD, ELF_T_XWORD,
ELF_T_SXWORD, ELF_T_GNUHASH, ELF_T_AUXV.
* elf_getdata_rawchunk.c (elf_getdata_rawchunk): Check alignment
of rawdata against requested type.
2015-06-02 Mark Wielaard <[email protected]>
* elf_getdata.c (convert_data): Make sure source data is properly
aligned for type before calling actual conversion function.
2015-06-04 Mark Wielaard <[email protected]>
* elf_begin.c (get_shnum): Check alignment of Shdr, not Ehdr before
direct access.
2015-06-02 Mark Wielaard <[email protected]>
* elf_begin.c (file_read_elf): Split checks for ehdr and shdr
alignment, drop phdr alignment check.
2015-05-31 Mark Wielaard <[email protected]>
* elf32_getshdr.c (load_shdr_wrlock): Allocate shdrs with malloc,
not alloca and free after conversion when a copy needs to be made.
2015-05-31 Mark Wielaard <[email protected]>
* elf32_getphdr.c (getphdr_wrlock): Allocate phdrs with malloc, not
alloca and free after conversion when a copy needs to be made.
2015-05-31 Mark Wielaard <[email protected]>
* elf_getarsym.c (elf_getarsym): Allocate temporary file_date with
malloc, not alloca also in !ALLOW_UNALIGNED case.
2015-05-30 Mark Wielaard <[email protected]>
* gelf_xlate.c (elf_cvt_Byte): Only call memmove with non-zero size.
2015-05-30 Mark Wielaard <[email protected]>
* elf32_updatefile.c (updatemmap): Only call mempcpy and update
last_position when d_size is non-zero.
2015-05-17 Mark Wielaard <[email protected]>
* elf32_updatefile.c (updatefile): Allocate shdr_data and scns
with malloc, not alloca. Free after writing section headers.
2015-05-16 Mark Wielaard <[email protected]>
* elf32_updatefile.c (updatemmap): Allocate temporary shdr storage
with malloc, not alloca. Free after writing section header.
2015-05-16 Mark Wielaard <[email protected]>
* elf_getarsym.c (elf_getarsym): Allocate temporary file_date with
malloc, not alloca. Call free after out.
2015-05-14 Mark Wielaard <[email protected]>
* elf_update.c (write_file): Use posix_fallocate instead of
ftruncate to extend file if necessary.
2015-05-13 Mark Wielaard <[email protected]>
* elf32_updatenull.c (default_ehdr): If e_phnum is zero then set
e_phoff also to zero.
2015-05-12 Mark Wielaard <[email protected]>
* elf32_updatenull.c (updatenull_wrlock): Check that sh_addralign
is a powerof2.
* elf_getdata.c (__libelf_set_rawdata_wrlock): Clamp large d_aligns
to the elf image offset.
2015-05-12 Mark Wielaard <[email protected]>
* elf32_newphdr.c (newphdr): Call __libelf_seterrno with
ELF_E_INVALID_INDEX before failing. Check whether section zero shdr
actually exists if we need to put extended phnum in section zero.
2015-05-08 Mark Wielaard <[email protected]>
* nlist.c (nlist): Call gelf_fsize with EV_CURRENT.
2015-01-03 Mark Wielaard <[email protected]>
* version_xlate.h (elf_cvt_Verdef): Use memmove to copy src to dest.
(elf_cvt_Verneed): Likewise.
2015-03-28 Mark Wielaard <[email protected]>
* elf.h: Update from glibc.
2015-03-23 Mark Wielaard <[email protected]>
* elf32_updatenull.c (updatenull_wrlock): Don't extend size with
SHT_NOBITS sh_offset.
2015-02-18 Mark Wielaard <[email protected]>
* libelfP.h (__libelf_set_data_list_rdlock): Make internal_function.
2015-02-07 Jan Kratochvil <[email protected]>
* elf32_updatenull.c (__elfw2(LIBELFBITS,updatenull_wrlock)): Consider
sh_addralign 0 as 1.
2015-01-22 Mark Wielaard <[email protected]>
* elf_strptr (elf_strptr): Make sure returned string is NUL
terminated.
2015-01-21 Mark Wielaard <[email protected]>
* elf_strptr.c (elf_strptr): Check data_list_rear == NULL instead
of rawdata_base != NULL before using rawdata directly.
2015-01-20 Mark Wielaard <[email protected]>
* 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 <[email protected]>
* elf_strptr.c (elf_strptr): Call __elf[32|64]_getshdr_rdlock if
necessary.
2014-12-30 Mark Wielaard <[email protected]>
* 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 <[email protected]>
* elf_begin.c (__libelf_next_arhdr_wrlock): ar_size cannot be
negative. Include start_offset in maxsize.
2014-12-28 Alexander Cherepanov <[email protected]>
* 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 <[email protected]>
* Makefile.am: Suppress output of textrel_check command.
2014-12-16 Mark Wielaard <[email protected]>
* elf_begin.c (read_long_names): Make sure long_names len fits
in mapped ELF file.
2014-12-15 Mark Wielaard <[email protected]>
* elf_getarsym.c (elf_getarsym): Check index_size doesn't overflow.
2014-12-15 Mark Wielaard <[email protected]>
* elf_begin.c (read_long_names): Clear any garbage left in the
name table.
2014-12-11 Mark Wielaard <[email protected]>
* elf_begin.c (file_read_elf): Correct ELF64 section offset check.