blob: 11aeafd91b125bd512116688b1560a58c3762315 [file] [log] [blame]
2008-12-16 Roland McGrath <>
* dwfl_module_build_id.c (dwfl_module_build_id): Define with alias and
symver magic to bind to ELFUTILS_0.138.
(_BUG_COMPAT_dwfl_module_build_id): New function, bug compatible
wrapper for ELFUTILS_0.130 version set.
2008-12-18 Roland McGrath <>
* derelocate.c (dwfl_module_relocate_address): Fix last fix: ET_DYN
addresses are taken as relative to MOD->low_addr.
2008-12-15 Roland McGrath <>
* derelocate.c (dwfl_module_relocate_address): Apply main.bias, not
2008-12-11 Roland McGrath <>
* offline.c (process_archive): Don't call elf_end and close if
returning NULL. Check first elf_begin call and set error code
specially for empty archive.
Fixes RHBZ#465878.
2008-12-02 Roland McGrath <>
* dwfl_getmodules.c (dwfl_getmodules): Typo fix in last change.
2008-11-26 Roland McGrath <>
* dwfl_getmodules.c (dwfl_getmodules): Encode iteration style in
return value, and interpret encoded OFFSET argument.
2008-10-07 Roland McGrath <>
* dwfl_module_build_id.c (check_notes): Fix typo in vaddr calculation.
2008-09-29 Roland McGrath <>
* segment.c (insert): Must realloc DWFL->lookup_module here too.
(dwfl_report_segment): Clear DWFL->lookup_module before insert calls.
2008-08-28 Roland McGrath <>
* segment.c (reify_segments): Fix last change.
2008-08-27 Roland McGrath <>
* linux-proc-maps.c (read_proc_memory): Return 0 for EINVAL or EPERM
failure from pread64.
2008-08-26 Roland McGrath <>
* segment.c (reify_segments): Insert a trailing segment for a module
end that is above the highest current segment.
2008-08-25 Roland McGrath <>
* dwfl_module_getdwarf.c (open_elf): Extract elf_errno () for
coded return value, not plain DWFL_E_LIBELF. Return DWFL_E_BADELF
if FILE->elf is not ELF_K_ELF.
* dwfl_segment_report_module.c: Add a cast.
2008-08-21 Denys Vlasenko <>
* dwfl_module_addrsym.c (dwfl_module_addrsym): Improve logic
which decides which symbol is "closest" to a given address.
2008-08-15 Roland McGrath <>
* argp-std.c (offline_callbacks): Use dwfl_build_id_find_elf.
(options, parse_opt): Handle --core.
* core-file.c: New file.
* (libdwfl_a_SOURCES): Add it.
* libdwflP.h (dwfl_core_file_report): Declare it.
* link_map.c: New file.
* (libdwfl_a_SOURCES): Add it.
* libdwflP.h (dwfl_link_map_report): Declare it.
* libdwflP.h (MIN, MAX): New macros.
(Dwfl_Memory_Callback): New typedef.
(Dwfl_Module_Callback): New typedef.
(dwfl_segment_report_module): Declare it.
* dwfl_segment_report_module.c: New file.
* (libdwfl_a_SOURCES): Add it.
* derelocate.c (dwfl_module_address_section): Add INTDEF.
* libdwflP.h: Add INTDECL.
* segment.c: New file.
* (libdwfl_a_SOURCES): Add it.
* libdwfl.h: Declare dwfl_addrsegment, dwfl_report_segment.
* libdwflP.h (struct Dwfl): New members lookup_elts, lookup_alloc,
lookup_addr, lookup_module, lookup_segndx, replace removed members
modules, nmodules.
(struct Dwfl_Module): New member segment.
* dwfl_end.c (dwfl_end): Free the new ones. Iterate via modulelist
to each free module.
* dwfl_module.c (dwfl_report_begin_add): Do nothing.
(dwfl_report_begin): Don't call it. Truncate the segment table instead.
(dwfl_report_module): Don't touch DWFL->nmodules.
(dwfl_report_end): Don't touch DWFL->modules and DWFL->nmodules.
(compare_modules): Function removed.
* dwfl_getmodules.c: Rewritten.
* libdwflP.h: Add INTDECLs.
* dwfl_getdwarf.c: Rewritten to call dwfl_getmodules.
* dwfl_addrmodule.c: Rewritten to just call dwfl_addrsegment.
2008-08-03 Roland McGrath <>
* linux-kernel-modules.c: Include <fts.h> before <config.h>.
2008-07-17 Roland McGrath <>
* dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Set errno to
zero if the failure was only ENOENT.
2008-06-03 Roland McGrath <>
* dwfl_module_addrsym.c (dwfl_module_addrsym): Exclude undefined
2008-05-22 Petr Machata <>
* dwfl_module_getdwarf.c (open_elf): Bias of ET_EXEC files is always 0.
2008-05-06 Roland McGrath <>
* linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Use
FTS_LOGICAL here too.
(dwfl_linux_kernel_find_elf): Likewise.
2008-04-29 Roland McGrath <>
* find-debuginfo.c (dwfl_standard_find_debuginfo): Try path search
based on canonicalize_file_name if it differs from the supplied name.
* linux-kernel-modules.c (check_module_notes): Use FTS_LOGICAL so
we accept symlinks.
2008-04-27 Roland McGrath <>
* linux-kernel-modules.c (report_kernel): Fix crash when
dwfl_report_elf fails.
2008-04-05 Roland McGrath <>
* linux-proc-maps.c (proc_maps_report): Don't leak LAST_FILE.
* dwfl_module_getdwarf.c (find_file): Always free build_id_bits.
Clear it after freeing.
* dwfl_module_report_build_id.c (dwfl_module_report_build_id): Likewise.
2008-03-26 Roland McGrath <>
* dwfl_module_getdwarf.c (load_symtab): Don't return success for
SHT_DYNSYM, just set *SYMSCN like the comment says.
* dwfl_end.c (dwfl_end): Iterate on modulelist chain, not modules array.
* argp-std.c (parse_opt): On failure, call dwfl_end before argp_failure.
2008-03-19 Roland McGrath <>
* dwfl_module_getsrc.c: Adjust address for module bias before search.
2008-03-01 Roland McGrath <>
* libdwflP.h (__libdwfl_seterrno): Remove parameter name from
prototype to avoid older compiler's complaint about reuse of the name.
(__libdwfl_canon_error): Likewise.
2008-02-19 Roland McGrath <>
* relocate.c (relocate_section): Check for an unhandled relocation
type before resolving a reloc's symbol. Lift DWFL_E_BADRELTYPE ->
DWFL_E_UNKNOWN_MACHINE check out of loops.
* dwfl_module_getdwarf.c (load_dw): Skip relocation if
DEBUGFILE->relocated is already set.
2008-01-26 Roland McGrath <>
* dwfl_module_getdwarf.c (open_elf): Open FILE->name if it's non-null.
* dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Don't clear
incoming *FILE_NAME at the start.
2008-01-08 Roland McGrath <>
* (euinclude): Variable removed.
(pkginclude_HEADERS): Set this instead of euinclude_HEADERS.
2007-10-23 Roland McGrath <>
* linux-kernel-modules.c (report_kernel_archive): Reorder the kernel
module to appear first.
2007-10-20 Roland McGrath <>
* offline.c (process_archive_member): Take FD argument, pass it down
to process_file. Return Elf_Cmd, not bool.
Call elf_next here, always before elf_end.
(process_archive): Update caller. Don't close FD here unless there
are no member refs.
* dwfl_module.c (free_file): Close fd only when elf_end returns zero.
* libdwflP.h (struct dwfl_file): New bool member `relocated'.
* dwfl_module_getdwarf.c (dwfl_module_getelf): For ET_REL, apply
partial relocation to one or both files.
(dwfl_module_getdwarf): For ET_REL, make sure extra sections'
relocations have been applied to the debug file if dwfl_module_getelf
has been used before.
* relocate.c (resolve_symbol): New function.
(relocate_section): Call it.
* relocate.c (relocate_getsym): Handle null MOD->symfile.
(relocate_section): Take new bool arg, PARTIAL. If true,
no error for BADRELTYPE/RELUNDEF, instead just skip them
and leave only those skipped relocs behind the reloc section.
(__libdwfl_relocate_section): Take new arg, pass it down.
(__libdwfl_relocate): Take new bool arg, DEBUG. If false,
do partial relocation on all sections.
* dwfl_module_getdwarf.c (load_dw): Update caller.
* libdwflP.h: Update decls.
* derelocate.c (dwfl_module_address_section): Pass new argument
to __libdwfl_relocate_section, true.
* derelocate.c (cache_sections): Don't cache reloc sections when
section_address callback is null.
2007-10-19 Roland McGrath <>
* relocate.c (relocate_section): Fix fencepost error in r_offset check.
* derelocate.c (struct dwfl_relocation): Add member `relocs'.
(struct secref): Likewise.
(cache_sections): Cache the relocation section referring to each
section we cache, if any.
(dwfl_module_address_section): Use __libdwfl_relocate_section as
* relocate.c (struct reloc_symtab_cache): New type.
(relocate_getsym): Use it instead of four arguments.
(__libdwfl_relocate): Update caller.
(relocate_section): New function, broken out of ...
(__libdwfl_relocate): ... here.
(__libdwfl_relocate_section): New function.
* libdwflP.h: Declare it.
2007-10-17 Roland McGrath <>
* dwfl_module_getsym.c (dwfl_module_getsym): Apply MOD->symfile->bias
to relocated st_value.
* dwfl_report_elf.c (__libdwfl_report_elf): Align initial BASE for
ET_REL to 0x100.
2007-10-16 Roland McGrath <>
* dwfl_report_elf.c (__libdwfl_report_elf): Readjust BASE when a later
section has larger alignment requirements not met by the original BASE,
rather than padding more between sections.
* dwfl_report_elf.c (__libdwfl_report_elf): Fix bias calculation.
* dwfl_module_build_id.c (__libdwfl_find_build_id): Apply module bias
to sh_addr value.
* dwfl_report_elf.c (__libdwfl_report_elf): Don't be confused by BASE
at zero in ET_REL case. Adjust BASE to necessary alignment.
* dwfl_module_build_id.c (check_notes): Take -1, not 0, as stub value
(__libdwfl_find_build_id): Update caller.
* relocate.c (__libdwfl_relocate_value): Don't use sh_offset.
* dwfl_report_elf.c (__libdwfl_report_elf): Likewise.
* offline.c (dwfl_offline_section_address): Bail early if there is
separate debug file.
* relocate.c (__libdwfl_relocate): Don't return DWFL_E_NO_DWARF.
2007-10-09 Roland McGrath <>
* dwfl_report_elf.c (__libdwfl_report_elf): Clear SHDR->sh_offset when
caching SHDR->sh_addr = 0.
* offline.c (dwfl_offline_section_address): Never called for sh_addr
really at 0, don't check for it. Use MOD->debug directly, not symfile.
* dwfl_module_getdwarf.c (load_symtab): Return success properly when
we've found SHT_SYMTAB.
* relocate.c (relocate_getsym): New function.
(__libdwfl_relocate): Use it.
(__libdwfl_relocate_value): Take new Elf * argument. Make SYMSHSTRNDX
be a pointer instead of value; cache getshstrndx result there.
* libdwflP.h: Update decl.
* derelocate.c (cache_sections): Update caller.
Always work on the main file, not the symfile.
(dwfl_module_address_section): Likewise.
* dwfl_module_getsym.c (dwfl_module_getsym): Update caller.
2007-10-07 Roland McGrath <>
* offline.c (process_archive): Initialize MOD.
* linux-kernel-modules.c (get_release): New function, broken out of ...
(report_kernel): ... here. Call it.
(try_kernel_name): Take new arg TRY_DEBUG, only try ".debug" if set.
(find_kernel_elf): Update caller.
(report_kernel_archive): New function.
(dwfl_linux_kernel_report_offline): Call it.
* offline.c (process_file): Take new arg PREDICATE, pass it down.
(process_archive): Likewise.
(process_archive_member): Likewise. When nonnull, let the predicate
decide whether to use this member.
(__libdwfl_report_offline): New function, broken out of ...
(dwfl_report_offline): ... here. Call it.
* libdwflP.h: Declare it.
* offline.c (process_archive, process_archive_member): New functions.
(process_elf, process_file): New functions, broken out of ...
(dwfl_report_offline): ... here. Call process_file, which recurses on
ELF_K_AR files.
* dwfl_report_elf.c (__libdwfl_report_elf): New, broken out of ...
(dwfl_report_elf): ... here. Call it.
* libdwflP.h: Declare it.
2007-10-06 Roland McGrath <>
* derelocate.c (dwfl_module_relocations): Don't call
* derelocate.c (find_section): Use __libdwfl_seterrno, not
* relocate.c (__libdwfl_relocate_value): Abuse sh_offset, not
SHF_ALLOC, to cache sh_addr resolved to 0.
* dwfl_report_elf.c (dwfl_report_elf): When an ET_REL file has sh_addr
values nonzero already, just use its existing layout.
* relocate.c (__libdwfl_relocate): Clear size of reloc section in its
in-core shdr after applying it.
2007-10-04 Ulrich Drepper <>
* linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Fake
initialization of notes variable.
2007-10-04 Roland McGrath <>
* linux-kernel-modules.c (intuit_kernel_bounds): Take new arg NOTES,
fill in with vaddr of "__start_notes" symbol if found.
(check_notes): New function.
(check_kernel_notes): New function.
(dwfl_linux_kernel_report_kernel): Call it.
(check_module_notes): New function.
(dwfl_linux_kernel_report_modules): Call it.
* linux-kernel-modules.c (dwfl_linux_kernel_find_elf):
Try dwfl_build_id_find_elf first.
* linux-kernel-modules.c (report_kernel): Don't leak FD if !REPORT.
Set kernel module e_type to ET_DYN.
2007-10-03 Roland McGrath <>
* find-debuginfo.c (validate): New function, broken out of ...
(find_debuginfo_in_path): ... here. New function, broken out of ...
(dwfl_standard_find_debuginfo): ... here. Call it, after trying
dwfl_build_id_find_debuginfo first.
* dwfl_build_id_find_elf.c: New file.
* dwfl_build_id_find_debuginfo.c: New file.
* (libdwfl_a_SOURCES): Add them.
* libdwfl.h: Declare them.
* libdwflP.h: Add INTDECLs.
* dwfl_module_build_id.c: New file.
* dwfl_module_report_build_id.c: New file.
* (libdwfl_a_SOURCES): Add them.
* libdwfl.h: Declare them.
* libdwflP.h (struct Dwfl_Module): New members build_id_bits,
build_id_len, build_id_vaddr. Declare __libdwfl_find_build_id.
* dwfl_module.c (__libdwfl_module_free): Free MOD->build_id_bits.
* dwfl_module_getdwarf.c (find_offsets): New function.
(find_dynsym): New function, calls that.
(find_symtab): Call it.
2007-09-11 Roland McGrath <>
* dwfl_module_addrsym.c: Prefer a later global symbol at the same
address if its st_size is smaller.
2007-08-13 Roland McGrath <>
* dwfl_module_addrsym.c: Add dead initializer for stupid compiler.
2007-08-12 Roland McGrath <>
* linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't use
* elf-from-memory.c (elf_from_remote_memory): Don't reset LOADBASE on
a second phdr if it happens to match EHDR_VMA exactly.
2007-08-08 Roland McGrath <>
* dwfl_module_addrsym.c: Don't use STT_SECTION, STT_FILE symbols and
those with no names. Rewrite best symbol algorithm not to assume a
sorted table and to be smarter handling sizeless symbols.
2007-07-16 Roland McGrath <>
* dwfl_module.c (dwfl_report_module): Increment DWFL->nmodules when
reviving an existing module.
2007-06-08 Roland McGrath <>
* libdwflP.h: Fix #ifndef for config.h to use PACKAGE_NAME.
2007-05-17 Roland McGrath <>
* linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Look at
whole /lib/modules/VERSION tree, not just /lib/modules/VERSION/kernel.
(dwfl_linux_kernel_find_elf): Likewise.
* linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use
getline and sscanf instead of fscanf.
2007-05-08 Roland McGrath <>
* offline.c (dwfl_offline_section_address): Don't assume section
numbers match between stripped and debuginfo files. Instead, assume
only that the ordering among SHF_ALLOC sections matches.
* linux-kernel-modules.c (report_kernel): Change RELEASE argument to
pointer to string.
(dwfl_linux_kernel_report_offline): Update caller.
(dwfl_linux_kernel_report_kernel): Likewise.
2007-04-23 Roland McGrath <>
* argp-std.c (options): Fix group title string.
* argp-std.c (parse_opt): Handle ARGP_KEY_ERROR, free the Dwfl.
Update via STATE->input every time we set STATE->hook, not only at
* dwfl_module.c (free_file): Free FILE->name.
2007-04-16 Roland McGrath <>
* derelocate.c (cache_sections): Apply bias to sh_addr.
(compare_secrefs): Fix address comparison to avoid signed overflow.
(find_section): New function, broken out of ...
(dwfl_module_relocate_address): ... here, call it.
(check_module): New function, broken out of ...
(dwfl_module_relocate_address): ... here, call it.
(dwfl_module_address_section): New function.
* libdwfl.h: Declare it.
2007-03-26 Roland McGrath <>
* dwfl_module.c (__libdwfl_module_free): Free MOD itself.
2007-03-18 Roland McGrath <>
* dwfl_module_getdwarf.c (find_debuglink): New function, broken out of
(find_debuginfo): ... here. Call it.
Don't return error for libelf errors finding .gnu_debuglink section.
2007-03-12 Roland McGrath <>
* dwfl_module.c (dwfl_report_begin_add): New function broken out of ...
(dwfl_report_begin): ... here. Call it.
* libdwfl.h: Declare it.
* libdwflP.h: Add INTDECL.
* elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo.
* offline.c: Comment typo fix.
2007-03-04 Roland McGrath <>
* linux-kernel-modules.c (KERNEL_MODNAME): New macro for "kernel".
(find_kernel_elf): New function, broken out of ...
(report_kernel): ... here. Call it.
(dwfl_linux_kernel_find_elf): Use it for module named KERNEL_MODNAME.
(intuit_kernel_bounds): New function, grovel /proc/kallsyms to guess
virtual address bounds of kernel from symbols rounded to page size.
(dwfl_linux_kernel_report_kernel): Use that if it works, before
resorting to report_kernel.
* dwfl_module_getdwarf.c (open_elf): Set MOD->e_type to ET_DYN for an
ET_EXEC file with nonzero bias.
* dwfl_module_addrname.c (dwfl_module_addrname): Just call
dwfl_module_addrsym. Guts moved to ...
* dwfl_module_addrsym.c: ... here; new file.
* (libdwfl_a_SOURCES): Add it.
* libdwfl.h: Declare dwfl_module_addrsym.
* libdwflP.h: Add INTDECL.
2007-03-03 Roland McGrath <>
* dwfl_module.c (free_file): New function, broken out of ...
(__libdwfl_module_free): ... here. In it, close fd after elf_end.
* dwfl_module_getdwarf.c (open_elf): Close fd and reset to -1
on libelf failure.
2007-03-02 Roland McGrath <>
* linux-kernel-modules.c: Fix bogus error test for asprintf call.
2007-02-02 Roland McGrath <>
* dwfl_addrmodule.c (dwfl_addrmodule): Match a module's high boundary
address exactly if it's no other module's low boundary.
* dwfl_module_addrname.c (dwfl_module_addrname): If no symbol's value
and size cover the address, select the closest symbol with st_size==0
that lies in the same section.
2007-01-29 Roland McGrath <>
* dwfl_version.c (dwfl_version): Return PACKAGE_VERSION,
2007-01-20 Roland McGrath <>
* relocate.c (__libdwfl_relocate_value): Treat section_address of -1
as omitted, not 0.
* libdwfl.h (Dwfl_Callbacks): Update comment.
* derelocate.c (cache_sections): Don't ignore sh_addr == 0 sections.
* linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
For ignored missing section, use -1 instead of 0.
* offline.c (dwfl_offline_section_address): Expect a call for 0.
2007-01-19 Roland McGrath <>
* argp-std.c (parse_opt): For -e, reset DWFL->offline_next_address to
zero so a lone -e is shown without address bias.
2007-01-10 Roland McGrath <>
* linux-kernel-modules.c (report_kernel): Check asprintf return value
directly instead of via side effect, to silence warn_unused_result.
(dwfl_linux_kernel_report_offline): Likewise.
(dwfl_linux_kernel_find_elf): Likewise.
(dwfl_linux_kernel_module_section_address): Likewise.
* find-debuginfo.c (try_open): Likewise.
* linux-proc-maps.c (find_sysinfo_ehdr): Likewise.
(dwfl_linux_proc_report): Likewise.
* libdwfl.h (dwfl_begin): Require nonnull argument.
2006-12-27 Roland McGrath <>
* dwfl_module.c (compare_modules): Fix address comparison to avoid
signed overflow. Patch by Frank Ch. Eigler <>.
2006-10-30 Roland McGrath <>
* dwfl_module.c (dwfl_report_module): Comment typo fix.
2006-09-05 Roland McGrath <>
* derelocate.c (cache_sections): Use alloca instead of variable-sized
auto array, in function already alloca.
2006-08-14 Roland McGrath <>
* linux-kernel-modules.c (try_kernel_name): If the call to
dwfl_standard_find_debuginfo produces no results, try it again
with NULL as DEBUGLINK_FILE to try *FNAME with .debug suffix.
* find-debuginfo.c (DEFAULT_DEBUGINFO_PATH): Macro moved ...
* libdwflP.h: ... to here.
* linux-kernel-modules.c (try_kernel_name): Skip manual open if it
repeats the first thing dwfl_standard_find_debuginfo will try.
* linux-kernel-modules.c (MODULE_SECT_NAME_LEN): New macro.
(dwfl_linux_kernel_module_section_address): If a /sys file is missing
and the section name is >= MODULE_SECT_NAME_LEN, try truncating the
section name.
2006-07-12 Ulrich Drepper <>
* cu.c: Adjust for internal_function_def removal.
* dwfl_error.c: Likewise.
* dwfl_module.c: Likewise.
* dwfl_module_getdwarf.c: Likewise.
* lines.c: Likewise.
* relocate.c: Likewise.
2006-07-11 Ulrich Drepper <>
* dwfl_module.c (compare_modules): Don't return GElf_Sxword value,
it can overflow the return value type.
Patch by Tim Moore <>.
2006-06-28 Roland McGrath <>
* libdwfl.h: Cosmetic changes.
* dwfl_line_comp_dir.c: New file.
* (libdwfl_a_SOURCES): Add it.
* libdwfl.h: Declare dwfl_line_comp_dir.
* dwfl_lineinfo.c (dwfl_lineinfo): Remove stray extern in defn.
* dwfl_linecu.c: New file.
* (libdwfl_a_SOURCES): Add it.
* libdwfl.h: Declare dwfl_linecu.
* libdwflP.h (dwfl_linecu_inline): Function renamed from dwfl_linecu.
(dwfl_linecu): Define as macro.
* relocate.c (__libdwfl_relocate): Use dwfl_module_getsym.
* dwfl_module_getdwarf.c (dwfl_module_getsymtab): New function.
(dwfl_module_addrname): Function moved ...
* dwfl_module_addrname.c: ... here, new file.
* dwfl_module_getsym.c: New file.
* (libdwfl_a_SOURCES): Add them.
* libdwfl.h: Declare dwfl_module_getsymtab, dwfl_module_getsym.
* libdwflP.h: Add INTDECLs.
2006-06-27 Roland McGrath <>
* dwfl_module.c (dwfl_report_end): Whitespace fix.
2006-06-13 Roland McGrath <>
* elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo.
Use __libdwfl_seterrno for elf_memory failure.
2006-05-22 Roland McGrath <>
* dwfl_module_return_value_location.c
(dwfl_module_return_value_location): Use __libdwfl_module_getebl.
2006-05-27 Ulrich Drepper <>
* libdwfl.h: Add extern "C".
2006-05-22 Ulrich Drepper <>
* cu.c (addrarange): Handle files without aranges information.
2006-05-16 Ulrich Drepper <>
* dwfl_addrmodule.c (dwfl_addrmodule): Also return NULL of
->modules is NULL.
2006-02-26 Roland McGrath <>
* dwfl_version.c: New file.
* (libdwfl_a_SOURCES): Add it.
* libdwfl.h: Declare dwfl_version.
* offline.c (dwfl_report_offline): Account for dwfl_report_elf having
aligned up from DWFL->offline_next_address when checking for overlap.
2005-12-22 Roland McGrath <>
* argp-std.c (parse_opt): Call dwfl_end in failure cases.
* linux-proc-maps.c (proc_maps_report): New function, broken out of ...
(dwfl_linux_proc_report): ... here. Call it.
(dwfl_linux_proc_maps_report): New function.
* libdwfl.h: Declare it.
* libdwflP.h: Add INTDECL.
* argp-std.c (options, parse_opt): Grok -M/--linux-process-map.
* dwfl_nextcu.c (dwfl_nextcu): Don't fail when dwfl_module_getdwarf
failed with DWFL_E_NO_DWARF.
2005-11-26 Roland McGrath <>
* dwfl_end.c (dwfl_end): Free the DWFL itself.
2005-11-25 Roland McGrath <>
* dwfl_module_getdwarf.c (__libdwfl_module_getebl): New function.
(load_dw): Use it.
* dwfl_module_register_names.c (dwfl_module_register_names): Likewise.
* libdwflP.h: Declare it.
* dwfl_module_register_names.c: New file.
* (libdwfl_a_SOURCES): Add it.
* libdwfl.h: Declare dwfl_module_register_names.
2005-11-21 Roland McGrath <>
* linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
Don't leak malloc'd file name.
If a /sys/.../sections file is missing and starts with ".init",
try the variant with "_init" too; catches PPC64 kernel braindamage.
2005-11-15 Roland McGrath <>
* libdwfl.h: Comment fixes.
* dwfl_module_return_value_location.c: Add unlikely for error case.
2005-11-13 Roland McGrath <>
* dwfl_return_value_location.c: New file.
* (libdwfl_a_SOURCES): Add it.
* libdwfl.h: Declare dwfl_module_return_value_location.
2005-10-20 Roland McGrath <>
* libdwflP.h (DWFL_ERRORS): New error UNKNOWN_MACHINE.
* relocate.c (__libdwfl_relocate): Return DWFL_E_UNKNOWN_MACHINE
instead of DWFL_E_BADRELTYPE if ebl_get_elfmachine yields EM_NONE.
2005-10-01 Roland McGrath <>
* linux-kernel-modules.c (report_kernel): Return ENOENT if we fail
with errno 0.
2005-09-19 Roland McGrath <>
* linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use
PRIx64 instead of PRIi64, lest addresses with high bits set overflow
the signed integer reading; they will just have to be in hexadecimal.
(dwfl_linux_kernel_module_section_address): Likewise.
2005-08-28 Ulrich Drepper <>
* (%.os): Use COMPILE.os.
(COMPILE.os): Filter out gconv options.
2005-08-25 Roland McGrath <>
* cu.c (__libdwfl_nextcu): Return success when dwarf_nextcu hits end.
* dwfl_nextcu.c (dwfl_nextcu): Skip modules with no dwarf info.
2005-08-24 Roland McGrath <>
* dwfl_lineinfo.c (dwfl_lineinfo): Add bias, don't subtract it.
* argp-std.c [_MUDFLAP] (__libdwfl_argp_mudflap_options): New function,
magic initializer to set -heur-stack-bound option.
2005-08-22 Roland McGrath <>
* dwfl_validate_address.c: New file.
* (libdwfl_a_SOURCES): Add it.
* libdwfl.h: Declare dwfl_validate_address.
* derelocate.c (dwfl_module_relocate_address): Add INTDEF.
* libdwflP.h: Add INTDECL.
* dwfl_module_getdwarf.c (find_symtab): Use elf_getdata instead of
elf_rawdata for symbol-related sections.
* offline.c (dwfl_report_offline): Move offline_next_address outside
module's range, in case it's an ET_EXEC using fixed segment locations.
* libdwfl.h: Update comment.
* dwfl_report_elf.c (dwfl_report_elf): Align BASE to first segment's
required alignment.
2005-08-20 Roland McGrath <>
* linux-kernel-modules.c (report_kernel): Take new argument PREDICATE,
function to choose whether to report.
(dwfl_linux_kernel_report_offline): Likewise.
* libdwfl.h: Update decl.
* argp-std.c (parse_opt): Update caller.
* dwfl_getsrclines.c: New file.
* dwfl_onesrcline.c: New file.
* (libdwfl_a_SOURCES): Add them.
* libdwfl.h: Declare dwfl_getsrclines, dwfl_onesrcline.
* linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't leak
MODULESDIR[0]. Call fts_close on failure.
* dwfl_module_getdwarf.c (load_dw): Take dwfl_file * instead of Elf *.
Close ET_REL file descriptors after relocation.
(find_dw): Update caller.
* offline.c (dwfl_report_offline): Get the file into memory and close
the file descriptor.
* dwfl_module_getdwarf.c (find_debuginfo): Do nothing when
MOD->debug.elf is already set.
* find-debuginfo.c (try_open): Use TEMP_FAILURE_RETRY.
(dwfl_standard_find_debuginfo): Fail on errors not ENOENT or ENOTDIR.
* argp-std.c (options, parse_opt): Grok -K/--offline-kernel, use
dwfl_linux_kernel_report_offline with offline_callbacks.
* linux-kernel-modules.c (report_kernel): New function, broken out of
(dwfl_linux_kernel_report_kernel): ... here. Use it.
(dwfl_linux_kernel_report_offline): New function.
* libdwfl.h: Declare it.
* libdwflP.h: Add INTDECL.
2005-08-19 Roland McGrath <>
Use standard debuginfo search path to look for vmlinux.
* find-debuginfo.c (dwfl_standard_find_debuginfo): Don't check CRC if
passed zero.
* linux-kernel-modules.c (try_kernel_name): New function, broken out
of ...
(dwfl_linux_kernel_report_kernel): ... here. Use it.
* argp-std.c (offline_callbacks): New variable.
(parse_opt): Use it for -e. Allow multiple -e options.
* offline.c: New file.
* (libdwfl_a_SOURCES): Add it.
* libdwfl.h: Declare dwfl_offline_section_address, dwfl_report_offline.
* libdwflP.h: Add INTDECLs.
(struct Dwfl): New member `offline_next_address'.
* dwfl_begin.c (dwfl_begin): Initialize it.
* dwfl_module.c (dwfl_report_begin): Likewise.
* dwfl_report_elf.c (dwfl_report_elf): Accept all types. When ET_REL,
do a nominal absolute section layout starting at BASE.
* libdwfl.h: Update comment.
2005-08-18 Roland McGrath <>
* dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Do
dwfl_module_getdwarf if necessary.
* dwfl_report_elf.c (dwfl_report_elf): Permit ET_REL with BASE==0.
* libdwfl.h: Update comment.
* derelocate.c: New file.
* (libdwfl_a_SOURCES): Add it.
* libdwflP.h (struct Dwfl_Module): isrel -> e_type.
* dwfl_report_elf.c (dwfl_report_elf): Initialize it.
* dwfl_module_getdwarf.c (open_elf): Update initialization.
(load_dw, dwfl_module_addrname): Update uses.
* relocate.c (__libdwfl_relocate): Likewise.
2005-08-04 Roland McGrath <>
* libdwfl.h (Dwfl_Callbacks.section_address): Take additional
arguments SHNDX, SHDR.
(dwfl_linux_kernel_module_section_address): Update prototype.
* relocate.c (__libdwfl_relocate_value): Update caller.
* linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
Take the new arguments.
2005-08-10 Roland McGrath <>
* relocate.c (__libdwfl_relocate): Take argument DEBUGFILE,
use it instead of MOD->debug.file.
* libdwflP.h: Update decl.
* dwfl_module_getdwarf.c (load_dw): Update caller.
Fixes bug #165598.
2005-08-09 Roland McGrath <>
* libdwflP.h: Include ../libdw/libdwP.h for its INTDECLs.
* cu.c: Use INTUSE on dwarf_* calls.
* dwfl_error.c: Likewise.
* dwfl_module.c: Likewise.
* dwfl_module_getdwarf.c: Likewise.
* dwfl_module_getsrc_file.c: Likewise.
* lines.c: Likewise.
2005-08-07 Roland McGrath <>
* linux-kernel-modules.c (dwfl_linux_kernel_find_elf): When module
names contain '_' or '-', look for files named either "foo-bar.ko"
or "foo_bar.ko".
2005-07-29 Roland McGrath <>
* loc2c.c: File removed.
* loc2c.h: File removed.
* loc2c-runtime.h: File removed.
* test2.c: File removed.
* (EXTRA_DIST): Variable removed.
(noinst_HEADERS): Remove loc2c.h from here.
2005-07-28 Ulrich Drepper <>
* libdwfl.h: Add a few missing extern for function prototypes.
* libdwfl_crc32.c: New file.
* libdwfl_crc32_file.c: New file.
* libdwflP.h: Declare the new functions.
* (libdwfl_a_SOURCES): Add libdwfl_crc32.c and
* libdwfl/find-debuginfo.c (check_crc): Use __libdwfl_crc32_file
instead of crc32_file.
2005-07-28 Roland McGrath <>
* ptest.c: Moved to ../tests/dwflmodtest.c.
* (noinst_PROGRAMS): Variable removed.
(libdwfl_so_SOURCES, libdwfl_LIBS, libdwfl_so_LDADD): Likewise.
(EXTRA_DIST, ptest_LDADD, test2_LDADD): Likewise.
(libdwfl): Don't use any more.
(, install, uninstall): Targets removed.
(test2_SOURCES): Define EXTRA_DIST instead of this.
* File removed.
* libdwfl.h: Use "" for libdw.h #include.
2005-07-27 Roland McGrath <>
* Add dwfl_getmodules.
2005-07-23 Ulrich Drepper <>
* Fix rules to allow building with mudflap.
2005-07-21 Roland McGrath <>
* (noinst_HEADERS): Add loc2c.c.
* test2.c (main): Check sscanf result to quiet warning.
2005-07-20 Roland McGrath <>
* libdwfl-branch merged, creating this direcotry.