diff options
Diffstat (limited to 'libdwfl/ChangeLog')
| -rw-r--r-- | libdwfl/ChangeLog | 517 |
1 files changed, 516 insertions, 1 deletions
diff --git a/libdwfl/ChangeLog b/libdwfl/ChangeLog index 285c7db5..0dd77f4b 100644 --- a/libdwfl/ChangeLog +++ b/libdwfl/ChangeLog @@ -1,3 +1,518 @@ +2010-05-20 Roland McGrath <roland@redhat.com> + + * linux-proc-maps.c (find_sysinfo_ehdr): Renamed to ... + (grovel_auxv): ... this. Take DWFL argument. + (dwfl_linux_proc_report): Update caller. + + * dwfl_module_getdwarf.c (open_elf): Calculate alignment for bias + based on dwfl->segment_align or manifest alignment of MOD->low_addr. + +2010-05-19 Roland McGrath <roland@redhat.com> + + * linux-kernel-modules.c (intuit_kernel_bounds): Rewritten. + +2010-05-06 Roland McGrath <roland@redhat.com> + + * segment.c (insert): Clear inserted elements of DWFL->lookup_module. + + * libdwflP.h (DWFL_ERRORS): Add WRONG_ID_ELF. + * dwfl_build_id_find_elf.c: Set MOD->main.valid when there is a build + ID but we didn't find a file. + * dwfl_module_getdwarf.c (__libdwfl_getelf): When that's set, check + and refuse any fallback file-by-name if it lacks the matching ID. + + * dwfl_error.c (dwfl_errno): Add INTDEF. + * libdwflP.h: Add INTDECL. + + * dwfl_module_getdwarf.c (open_elf): Do elf_end and clear FILE->elf in + failure cases. + +2010-05-04 Roland McGrath <roland@redhat.com> + + * dwfl_segment_report_module.c: Use "[pie]" rather than "[dso]" for an + ET_DYN that has a DT_DEBUG. + + * dwfl_segment_report_module.c: Fix jump-start of NDX-finding loop. + + * segment.c (insert): Fix moving of values following insertion. + (reify_segments): Fix up MOD->segment backpointer indices after + later insertions in the main loop invalidate them. + + * link_map.c (dwfl_link_map_report): Detect bias of embedded phdrs and + apply it to PT_DYNAMIC p_vaddr so we handle a PIE correctly. + + * core-file.c (dwfl_core_file_report): Return any nonzero count of + modules reported, even if link_map grovelling failed and only sniffing + found anything. + +2010-04-26 Roland McGrath <roland@redhat.com> + + * relocate.c (relocate_section): Treat R_*_NONE reloc as no reloc. + Works around probably-wrong ld -r behavior for case of a DWARF address + constant that refers to a discarded SHF_ALLOC section. + +2010-04-14 Roland McGrath <roland@redhat.com> + + * link_map.c (report_r_debug): Limit iterations on the l_next chain to + an upper bound on sane possible number of elements. + +2010-03-11 Roland McGrath <roland@redhat.com> + + * link_map.c (auxv_format_probe): Fix scanning loop, so we really scan + the second half for 32-bit matches. + +2010-03-10 Roland McGrath <roland@redhat.com> + + * core-file.c (dwfl_core_file_report): Punt EHDR argument. + * argp-std.c (parse_opt): Update caller. + * libdwfl.h: Declare dwfl_core_file_report. + * libdwflP.h: Don't. + +2010-02-17 Roland McGrath <roland@redhat.com> + + * dwfl_segment_report_module.c (addr_segndx): Take new flag argument. + If set, find the first index not below ADDR. + (dwfl_segment_report_module): Update callers. + Pass true when calculating return value. + +2010-02-15 Roland McGrath <roland@redhat.com> + + * Makefile.am: Use config/eu.am for common stuff. + + * find-debuginfo.c (find_debuginfo_in_path): Fix uninitialized + variable in failure path. + +2010-02-02 Mark Wielaard <mjw@redhat.com> + + * dwfl_module_dwarf_cfi.c (dwfl_module_dwarf_cfi): Always set bias. + * dwfl_module_eh_cfi.c (dwfl_module_eh_cfi): Likewise + +2010-01-07 Roland McGrath <roland@redhat.com> + + * core-file.c (dwfl_core_file_report): Use elf_getphdrnum. + * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise. + * dwfl_module_getdwarf.c (open_elf, find_dynsym): Likewise. + * dwfl_report_elf.c (__libdwfl_report_elf): Likewise. + +2010-01-06 Roland McGrath <roland@redhat.com> + + * relocate.c (relocate_getsym): For SHN_COMMON, zero st_value. + (relocate_section): Let unresolved SHN_COMMON symbol stay 0. + +2009-11-16 Roland McGrath <roland@redhat.com> + + * relocate.c (relocate_section): Skip SHT_NOBITS or empty target scn. + +2009-11-12 Petr Machata <pmachata@redhat.com> + + * core-file.c (dwfl_elf_phdr_memory_callback): Only load ahead if + the chunk is both offset-contiguous and vaddr-contiguous. + +2009-11-05 Roland McGrath <roland@redhat.com> + + * link_map.c (report_r_debug): Skip entries with l_ld==0. + Use dwfl_addrmodule for l_ld lookup, don't bail on lookup failure. + +2009-09-04 Roland McGrath <roland@redhat.com> + + * image-header.c (__libdw_image_header): Fix tranposed comparison. + +2009-08-27 Roland McGrath <roland@redhat.com> + + * image-header.c: New file. + * Makefile.am (libdwfl_a_SOURCES): Add it. + * libdwflP.h: Declare __libdw_image_header. + * open.c (decompress): Don't consume ELF on failure. + (what_kind): New function, broken out of ... + (__libdw_open_file): ... here. Call it. + If it fails, try __libdw_image_header and then try what_kind again. + + * gzip.c (unzip): Reuse *WHOLE as first INPUT_BUFFER, + leave it behind for next decompressor. + * open.c (decompress): Free BUFFER on failure. + +2009-08-26 Roland McGrath <roland@redhat.com> + + * gzip.c (find_zImage_payload): New function, broken out of ... + (mapped_zImage): ... here. Call it. + (find_zImage_payload) [LZMA]: Match LZMA-compressed kernels with + stupid method of just trying the decoder. + + * open.c [USE_LZMA]: Try __libdw_unlzma. + * libdwflP.h: Declare it. + (DWFL_ERRORS): Add DWFL_E_LZMA. + * gzip.c [LZMA]: Implement liblzma version for XZ file format. + * lzma.c: New file. + * Makefile.am [LZMA] (libdwfl_a_SOURCES): Add it. + + * gzip.c (mapped_zImage): Limit scan to 32kb. + Make this unconditional, support bzip2 kernel images too. + (unzip): Use direct inflate method for non-mmap case too. + Only zlib uses the stream method. + +2009-08-09 Roland McGrath <roland@redhat.com> + + * dwfl_module_build_id.c: Use new macros for versioned definitions. + +2009-07-08 Roland McGrath <roland@redhat.com> + + * dwfl_module_dwarf_cfi.c: New file. + * dwfl_module_eh_cfi.c: New file. + * Makefile.am (libdwfl_a_SOURCES): Add them. + * libdwflP.h (struct Dwfl_Module): New members `dwarf_cfi', `eh_cfi. + Add INTDECL for dwfl_module_eh_cfi, dwfl_module_dwarf_cfi. + +2009-07-08 Roland McGrath <roland@redhat.com> + + * libdwflP.h (struct Dwfl_Module): Reorder members to pack better. + +2009-06-18 Mark Wielaard <mjw@redhat.com> + + * dwfl_report_elf.c (__libdwfl_report_elf): Return NULL on overlap. + +2009-06-13 Ulrich Drepper <drepper@redhat.com> + + * derelocate.c: Don't use deprecated libelf functions. + * dwfl_module_getdwarf.c: Likewise. + * relocate.c: Likewise. + +2009-04-23 Ulrich Drepper <drepper@redhat.com> + + * dwfl_module_build_id.c: Define versioned symbols only if SHARED is + defined. Otherwise just define the latest version. + +2009-04-22 Roland McGrath <roland@redhat.com> + + * relocate.c (resolve_symbol): Apply correct bias to st_value found in + a non-ET_REL module. + + * dwfl_module_build_id.c (__libdwfl_find_build_id): Fix last change to + adjust properly for non-ET_REL. + +2009-04-21 Roland McGrath <roland@redhat.com> + + * dwfl_module_getsym.c: Apply non-ET_REL bias only if SHF_ALLOC. + + * relocate.c (__libdwfl_relocate_value): Assert that MOD is ET_REL. + * derelocate.c (cache_sections): Call __libdwfl_relocate_value only + for ET_REL. + * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise. + +2009-04-20 Roland McGrath <roland@redhat.com> + + * dwfl_module_getdwarf.c (__libdwfl_getelf): Add internal_function. + +2009-04-19 Roland McGrath <roland@redhat.com> + + * dwfl_module_getdwarf.c (find_file): Renamed to ... + (__libdwfl_getelf): ... this. Make it global. + (find_symtab, find_dw): Update callers. + (dwfl_module_getelf): Functions moved ... + * dwfl_module_getelf.c: ... here, new file. + * Makefile.am (libdwfl_a_SOURCES): Add it. + * libdwflP.h: Declare __libdwfl_getelf. + +2009-04-14 Roland McGrath <roland@redhat.com> + + * dwfl_segment_report_module.c: Handle DT_STRTAB value being either + absolute (already adjusted in place) or needing load bias adjustment. + + * core-file.c (dwfl_elf_phdr_memory_callback): Fix return value for + gelf_getphdr failure. Fix file size limit checks. + + * dwfl_segment_report_module.c: Fix underflow in DYNSTRSZ check. + +2009-04-08 Roland McGrath <roland@redhat.com> + + * dwfl_module_getsym.c: Don't adjust for bias again after + __libdwfl_relocate_value. + + * relocate.c (__libdwfl_relocate_value): Don't adjust a value from + a non-SHF_ALLOC section. + (relocate_getsym): Test st_shndx for SHN_* values, not *SHNDX. + * dwfl_module_getsym.c (dwfl_module_getsym): Likewise. + +2009-03-09 Roland McGrath <roland@redhat.com> + + * dwfl_module_build_id.c (__libdwfl_find_build_id): Move SHSTRNDX + variable to outer scope, so we cache it for the loop. + + * relocate.c (__libdwfl_relocate_value): Add MOD->main.bias to sh_addr. + +2009-02-12 Roland McGrath <roland@redhat.com> + + * dwfl_module_build_id.c (__libdwfl_find_build_id): Use + __libdwfl_relocate_value to find correct sh_addr value. + +2009-02-10 Roland McGrath <roland@redhat.com> + + * dwfl_report_elf.c (__libdwfl_report_elf): Take new arg SANITY. + If false, don't fail for NO_PHDR. + (dwfl_report_elf): Update caller. + * libdwflP.h: Update decl. + * offline.c (process_elf): Call it with false, so we don't refuse + dubiously-formed objects here. + + * link_map.c (consider_executable): Don't assert dwfl_addrsegment + finds our module. We shouldn't crash when we confuse some guesses. + +2009-02-10 Ulrich Drepper <drepper@redhat.com> + + * open.c (decompress): Avoid crash with empty input file. + +2009-01-27 Roland McGrath <roland@redhat.com> + + * dwfl_report_elf.c (__libdwfl_report_elf): Ignore trailing PT_LOAD + with zero vaddr and memsz. + +2009-01-22 Roland McGrath <roland@redhat.com> + + * open.c (decompress): Move BUFFER, SIZE decls outside #if. + + * dwfl_segment_report_module.c (addr_segndx): Remove bogus adjustments + after address-matching loop. + + * segment.c (lookup): Fix fencepost in checking for HINT match. + +2009-01-14 Roland McGrath <roland@redhat.com> + + * gzip.c [!BZLIB] (mapped_zImage): New function. + (unzip) [!BZLIB]: Grok Linux kernel zImage format. + +2009-01-10 Ulrich Drepper <drepper@redhat.com> + + * dwfl_error.c: Always use __thread. Remove all !USE_TLS code. + +2009-01-08 Roland McGrath <roland@redhat.com> + + * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): + Skip subdirectory named "source". + (dwfl_linux_kernel_find_elf): Likewise. + +2009-01-06 Roland McGrath <roland@redhat.com> + + * linux-kernel-modules.c (check_suffix): New function. + Match ".ko", ".ko.gz", and ".ko.bz2" suffixes. + (dwfl_linux_kernel_report_offline): Use it. + (dwfl_linux_kernel_find_elf): Likewise. + +2009-01-05 Roland McGrath <roland@redhat.com> + + * argp-std.c (parse_opt): Use __libdw_open_file for core file. + * dwfl_build_id_find_debuginfo.c: Use it to open the file. + * dwfl_build_id_find_elf.c: Likewise. + * dwfl_module_getdwarf.c (open_elf): Likewise. + * dwfl_report_elf.c: Likewise. + * find-debuginfo.c (validate): Likewise. + * offline.c (__libdwfl_report_offline): Likewise. + + * libdwflP.h: Declare __libdw_open_file. + * open.c: New file. + * Makefile.am (libdwfl_a_SOURCES): Add it. + + * gzip.c: New file. + * Makefile.am [ZLIB] (libdwfl_a_SOURCES): Add it. + * bzip2.c: New file. + * Makefile.am [BZLIB] (libdwfl_a_SOURCES): Add it. + * libdwflP.h: Declare __libdw_gunzip, __libdw_bunzip2. + +2008-12-16 Roland McGrath <roland@redhat.com> + + * 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 <roland@redhat.com> + + * 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 <roland@redhat.com> + + * derelocate.c (dwfl_module_relocate_address): Apply main.bias, not + debug.bias. + +2008-12-11 Roland McGrath <roland@redhat.com> + + * 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 <roland@redhat.com> + + * dwfl_getmodules.c (dwfl_getmodules): Typo fix in last change. + +2008-11-26 Roland McGrath <roland@redhat.com> + + * dwfl_getmodules.c (dwfl_getmodules): Encode iteration style in + return value, and interpret encoded OFFSET argument. + +2008-10-07 Roland McGrath <roland@redhat.com> + + * dwfl_module_build_id.c (check_notes): Fix typo in vaddr calculation. + +2008-09-29 Roland McGrath <roland@redhat.com> + + * 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 <roland@redhat.com> + + * segment.c (reify_segments): Fix last change. + +2008-08-27 Roland McGrath <roland@redhat.com> + + * linux-proc-maps.c (read_proc_memory): Return 0 for EINVAL or EPERM + failure from pread64. + +2008-08-26 Roland McGrath <roland@redhat.com> + + * segment.c (reify_segments): Insert a trailing segment for a module + end that is above the highest current segment. + +2008-08-25 Roland McGrath <roland@redhat.com> + + * 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 <dvlasenk@redhat.com> + + * dwfl_module_addrsym.c (dwfl_module_addrsym): Improve logic + which decides which symbol is "closest" to a given address. + +2008-08-15 Roland McGrath <roland@redhat.com> + + * argp-std.c (offline_callbacks): Use dwfl_build_id_find_elf. + (options, parse_opt): Handle --core. + + * core-file.c: New file. + * Makefile.am (libdwfl_a_SOURCES): Add it. + * libdwflP.h (dwfl_core_file_report): Declare it. + + * link_map.c: New file. + * Makefile.am (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. + * Makefile.am (libdwfl_a_SOURCES): Add it. + + * derelocate.c (dwfl_module_address_section): Add INTDEF. + * libdwflP.h: Add INTDECL. + + * segment.c: New file. + * Makefile.am (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. + Add INTDEF. + * 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 <roland@redhat.com> + + * linux-kernel-modules.c: Include <fts.h> before <config.h>. + +2008-07-17 Roland McGrath <roland@redhat.com> + + * 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 <roland@redhat.com> + + * dwfl_module_addrsym.c (dwfl_module_addrsym): Exclude undefined + symbols. + +2008-05-22 Petr Machata <pmachata@redhat.com> + + * dwfl_module_getdwarf.c (open_elf): Bias of ET_EXEC files is always 0. + +2008-05-06 Roland McGrath <roland@frob.com> + + * 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 <roland@redhat.com> + + * 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 <roland@redhat.com> + + * linux-kernel-modules.c (report_kernel): Fix crash when + dwfl_report_elf fails. + +2008-04-05 Roland McGrath <roland@redhat.com> + + * 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 <roland@redhat.com> + + * 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 <roland@redhat.com> + + * dwfl_module_getsrc.c: Adjust address for module bias before search. + +2008-03-01 Roland McGrath <roland@redhat.com> + + * 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 <roland@redhat.com> + + * 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 <roland@redhat.com> + + * 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 <roland@redhat.com> + + * Makefile.am (euinclude): Variable removed. + (pkginclude_HEADERS): Set this instead of euinclude_HEADERS. + 2007-08-04 Roland McGrath <roland@redhat.com> * core-file.c (dwfl_core_file_report): Use dwfl_module_report_build_id. @@ -439,7 +954,7 @@ 2006-09-05 Roland McGrath <roland@redhat.com> * derelocate.c (cache_sections): Use alloca instead of variable-sized - auto array, in function already alloca. + auto array, in function already using alloca. 2006-08-14 Roland McGrath <roland@redhat.com> |