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Diffstat (limited to 'src/libdwfl/ChangeLog')
| -rw-r--r-- | src/libdwfl/ChangeLog | 927 |
1 files changed, 927 insertions, 0 deletions
diff --git a/src/libdwfl/ChangeLog b/src/libdwfl/ChangeLog index 87a05550..69e59a6f 100644 --- a/src/libdwfl/ChangeLog +++ b/src/libdwfl/ChangeLog @@ -1,3 +1,930 @@ +2014-12-19 Mark Wielaard <mjw@redhat.com> + + * dwfl_module_getdwarf.c (find_symtab): Always try find_dynsym last. + +2014-12-19 Mark Wielaard <mjw@redhat.com> + + * elf-from-memory.c (handle_segment): Remove palign sanity check. + +2014-12-18 Mark Wielaard <mjw@redhat.com> + + * relocate.c (resolve_symbol): Make sure symstrdata->d_buf != NULL. + +2014-12-13 Mark Wielaard <mjw@redhat.com> + + * dwfl_module_getdwarf.c (find_dynsym): elf_getdata_rawchunk takes + a size_t, make sure it doesn't overflow. + +2014-12-13 Mark Wielaard <mjw@redhat.com> + + * cu.c (cudie_offset): Make sure Dwarf_Off difference doesn't + wrap around before returning as int. + +2014-12-11 Josh Stone <jistone@redhat.com> + + * dwfl_module_getsrc.c (dwfl_module_getsrc): Return the *last* line + record <= addr, rather than returning immediately on matches. + +2014-12-09 Mark Wielaard <mjw@redhat.com> + + * dwfl_segment_report_module.c (handle_file_note): Check count doesn't + overflow. + +2014-12-07 Mark Wielaard <mjw@redhat.com> + + * relocate.c (relocate_section): Sanity check section overlap against + actually used ehsize, shentsize and phentsize. + +2014-12-07 Mark Wielaard <mjw@redhat.com> + + * offline.c (dwfl_offline_section_address): Assert shndx is not zero. + * relocate.c (__libdwfl_relocate_value): Don't relocate against + section zero. + +2014-11-29 Mark Wielaard <mjw@redhat.com> + + * relocate.c (relocate_section): Check relocation section and target + section data don't overlap any of the ELF headers. + (relocate): Check for offset + size overflow. + +2014-11-22 Mark Wielaard <mjw@redhat.com> + + * link_map.c (consider_executable): Use elf_getphdrnum. + (dwfl_link_map_report): Likewise. + +2014-11-18 Mark Wielaard <mjw@redhat.com> + + * dwfl_module_getdwarf.c (find_symtab): Sanity check the data buffer, + number of symbols and first_global before use. + +2014-11-14 Mark Wielaard <mjw@redhat.com> + + * dwfl_module_getdwarf.c (load_symtab): Don't use tables which have + a zero sh_entsize. + +2014-11-10 Mark Wielaard <mjw@redhat.com> + + * dwfl_module_getdwarf.c (find_dynsym): New inner function + translate_offs that takes an adjust argument. Try finding + the symbol table with and without adjusting to main_bias. + +2014-09-26 Jan Kratochvil <jan.kratochvil@redhat.com> + + Support NT_FILE for locating files. + * core-file.c (dwfl_core_file_report): New variables note_file and + note_file_size, set them and pass them to dwfl_segment_report_module. + * dwfl_segment_report_module.c: Include common.h and fcntl.h. + (buf_has_data, buf_read_ulong, handle_file_note): New functions. + (invalid_elf): New function from code of dwfl_segment_report_module. + (dwfl_segment_report_module): Add parameters note_file and + note_file_size. New variables elf and fd, clean them up in finish. + Move some code to invalid_elf. Call handle_file_note, if it found + a name verify the file by invalid_elf. Protect elf and fd against + cleanup by finish if we found the file for new Dwfl_Module. + * libdwflP.h (dwfl_segment_report_module): Add parameters note_file and + note_file_size. + +2014-09-23 Mark Wielaard <mjw@redhat.com> + + * dwfl_segment_report_module.c (dwfl_segment_report_module): + Extract ei_class, ei_data and e_type early and use the result. + +2014-09-18 Jan Kratochvil <jan.kratochvil@redhat.com> + + * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Use IS_EXECUTABLE. + * dwfl_segment_report_module.c (dwfl_segment_report_module): Set + IS_EXECUTABLE. + * libdwflP.h (struct Dwfl_Module): New field is_executable. + +2014-08-28 Jan Kratochvil <jan.kratochvil@redhat.com> + + * dwfl_module_getdwarf.c (find_offsets): Add parameter main_bias, use + it. + (find_dynsym): Pass the new parameter main_bias. + +2014-08-14 Mark Wielaard <mjw@redhat.com> + + * linux-kernel-modules.c (check-suffix): Also TRY .ko.xz. + +2014-07-24 Jan Kratochvil <jan.kratochvil@redhat.com> + + Fix report_r_debug for prelinked libraries. + * link_map.c (report_r_debug): Comment out variable l_addr. + Use instead new variable base recalculated from l_ld. + +2014-06-24 Kurt Roeckx <kurt@roeckx.be> + + * linux-pid-attach.c: Make it build on non linux hosts. + +2014-06-17 Mark Wielaard <mjw@redhat.com> + + * frame_unwind.c (handle_cfi): Use ebl_func_addr_mask. + * dwfl_module_getsym.c (__libdwfl_getsym): Likewise. + +2014-06-15 Mark Wielaard <mjw@redhat.com> + + * linux-core-attach.c (core_memory_read): Use libdw/memory-access.h + macros read_4ubyte_unaligned_noncvt and read_8ubyte_unaligned_noncvt + to read possibly unaligned data. + (core_next_thread): Likewise. + (core_set_initial_registers): Likewise. + (dwfl_core_file_attach): Likewise. + +2014-06-11 Mark Wielaard <mjw@redhat.com> + + * dwfl_frame.c (__libdwfl_process_free): Reset dwfl->attacherr. + (dwfl_attach_state): Set dwfl->attacherr. + (dwfl_pid): Check and return dwfl->attacherr if set. + (dwfl_getthreads): Likewise. + (getthread): Likewise. + * libdwflP.h: Add DWFL_E_NO_CORE_FILE. + (struct Dwfl): Add attacherr field. + * linux-core-attach.c (dwfl_core_file_attach): Set dwfl->attacherr. + Don't assert if ELF file is not ET_CORE, just return error. + * linux-pid-attach.c (dwfl_linux_proc_attach): Set dwfl->attacherr. + +2014-06-10 Mark Wielaard <mjw@redhat.com> + + * argp-std.c (parse_opt): Ignore errors from dwfl_core_file_attach + or dwfl_linux_proc_attach. + +2014-05-15 Mark Wielaard <mjw@redhat.com> + + * linux-proc-maps.c (grovel_auxv): Close fd on error. + +2014-05-02 Mark Wielaard <mjw@redhat.com> + + * dwfl_module_getdwarf: Remove ENABLE_DWZ ifdefs so find_debug_altlink + is always called. + +2014-05-01 Mark Wielaard <mjw@redhat.com> + + * libdwflP.h (struct Dwfl_Module): Add alt, alt_fd and alt_elf fields. + (__libdwfl_open_mod_by_build_id): Renamed __libdwfl_open_by_build_id. + (__libdwfl_open_by_build_id): New declaration that takes an explicit + build-id. + * dwfl_build_id_find_debuginfo.c (dwfl_build_id_find_debuginfo): If + we already have the Dwarf then look for the alt dwz multi file by + build-id. + * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Add the + build-id we are looking for as argument. + (__libdwfl_open_mod_by_build_id): New function, calls + __libdwfl_open_by_build_id. + (dwfl_build_id_find_elf): Call __libdwfl_open_mod_by_build_id. + * dwfl_module.c (__libdwfl_module_free): Release alt, alt_elf and + close alt_fd if necessary. + * dwfl_module_getdwarf.c (__check_build_id): Removed. + (try_debugaltlink): Removed. + (open_debugaltlink): Removed. + (open_elf_file): First half of open_elf that just opens the elf + file but doesn't setup the load address. + (open_elf): Call open_elf_file. + (find_debug_altlink): New function. + (load_dw): Remove loading of dwz multifile. + (find_dw): Call find_debug_altlink. + * find-debuginfo.c (validate): Handle alt debug case using + dwelf_dwarf_gnu_debugaltlink and mod->alt_elf. + (find_debuginfo_in_path): Handle alt debug files possibly in .dwz + subdirs. + * linux-kernel-modules.c (try_kernel_name): Use fakemod.debug.name + to store name to find by dwfl_standard_find_debuginfo instead of + allocating an extra variable on stack. + +2014-04-30 Mark Wielaard <mjw@redhat.com> + + * dwfl_module_build_id.c (__libdwfl_find_elf_build_id): Moved to + dwelf_elf_gnu_build_id.c. + (__libdwfl_find_build_id): Add assert to make sure mod is never NULL. + * dwfl_segment_report_module.c (dwfl_segment_report_module): Call + dwelf_elf_gnu_build_id directly instead of __libdwfl_find_build_id. + * dwfl_module_getdwarf.c (__check_build_id): Implement using + dwelf_elf_gnu_build_id. + +2014-04-15 Florian Weimer <fweimer@redhat.com> + + * dwfl_module_getdwarf.c (__check_build_id): Moved from libdw. + (try_debugaltlink): Likewise. + (open_debugaltlink): Likewise. + (load_dw): Locate alternate debug information using + dwelf_dwarf_gnu_debugaltlink and call open_debugaltlink. + +2014-04-11 Mark Wielaard <mjw@redhat.com> + + * Makefile.am (AM_CPPFLAGS): Add libdwelf. + * libdwflP.h: Include libdwelfP.h. + * dwfl_module_getdwarf.c (find_debuglink): Moved to libdwelf. + (find_debuginfo): Use dwelf_elf_gnu_debuglink. + +2014-04-22 Mark Wielaard <mjw@redhat.com> + + * frame_unwind.c (__libdwfl_frame_reg_get): Use uint64_t when + checking bits. + (__libdwfl_frame_reg_set): Likewise. + +2014-04-22 Kurt Roeckx <kurt@roeckx.be> + + * linux-pid-attach.c: Make linux only. + +2014-03-14 Mark Wielaard <mjw@redhat.com> + + * Makefile.am: Remove !MUDFLAP and MUDFLAP conditions. + Remove libelf and libdw definitions when MUDFLAP is defined. + * argp-std.c (__libdwfl_argp_mudflap_options): Removed. + +2014-03-03 Mark Wielaard <mjw@redhat.com> + + * elf-from-memory.c (elf_from_remote_memory): Keep track of + segments_end_mem. Pass memsz to first handle_segment pass. Only + extend contents_size and use shdrs if only file bits are in + segment. + +2014-03-11 Josh Stone <jistone@redhat.com> + + * dwfl_module_getdwarf.c (open_elf): Only explicitly set + mod->e_type when processing the main ELF file. + +2014-03-04 Mark Wielaard <mjw@redhat.com> + + * libdwflP.h (struct __libdwfl_pid_arg): Moved here and renamed from + linux-pid-attach.c (struct pid_arg). + (__libdwfl_get_pid_arg): New internal function declaration. + (__libdwfl_ptrace_attach): Likewise. + (__libdwfl_ptrace_detach): Likewise. + * dwfl_frame.c (dwfl_attach_state): Add "(deleted)" files to the + special exception modules that cannot be checked at this point. + * linux-pid-attach.c (struct pid_arg): Moved to libdwflP.h + (ptrace_attach): Renamed to... + (__libdwfl_ptrace_attach): New internal function. + (__libdwfl_ptrace_detach): Likewise. Extracted from ... + (pid_thread_detach): Call __libdwfl_ptrace_detach now. + (__libdwfl_get_pid_arg): New internal function. + * linux-proc-maps.c (dwfl_linux_proc_find_elf): Check if special + module name contains "(deleted)" and dwfl_pid gives an attached + pid. If pid is set and try to (re)use ptrace attach state of + process before reading memory. + +2014-03-03 Mark Wielaard <mjw@redhat.com> + + * elf-from-memory.c (elf_from_remote_memory): Take pagesize as + argument. Free buffer when detecting bad elf. Check PT_LOAD + alignment requirements on first handle_segment pass. Calculate + loadbase, start and end of segment using pagesize, not p_align. + * linux-proc-maps.c (dwfl_linux_proc_find_elf): Provide pagesize + to elf_from_remote_memory. + +2014-02-26 Mark Wielaard <mjw@redhat.com> + + * linux-proc-maps.c (proc_maps_report): Don't assert on bad input. + +2014-02-26 Mark Wielaard <mjw@redhat.com> + + * elf-from-memory.c (elf_from_remote_memory): Check against p64 + p_type in case ELFCLASS64, not against p32 p_type. + +2014-01-17 Petr Machata <pmachata@redhat.com> + + * relocate.c (relocate_section): Use gelf_fsize instead of relying + on shdr->sh_entsize. + +2014-01-05 Mark Wielaard <mjw@redhat.com> + + * frame_unwind.c (handle_cfi): Only skip resetting return register + if the regno is not the actual CIE return address register. + +2014-01-02 Mark Wielaard <mjw@redhat.com> + + * linux-pid-attach.c (dwfl_linux_proc_attach): Use strtol, not atoi. + +2013-12-30 Mark Wielaard <mjw@redhat.com> + + * argp-std.c (parse_opt): Call dwfl_linux_proc_attach and + dwfl_core_file_attach explicitly. + * core-file.c (dwfl_core_file_report): Don't call + __libdwfl_attach_state_for_core implicitly. + * dwfl_begin.c (dwfl_begin): Remove setting of process_attach_error. + * dwfl_frame.c (dwfl_pid): Set errno to DWFL_E_NO_ATTACH_STATE, not + process_attach_error. + (dwfl_getthreads): Likewise. + (getthread): Likewise. + * libdwfl.h (dwfl_core_file_report): Update documentation. + (dwfl_linux_proc_report): Likewise. + (dwfl_core_file_attach): New function declaration. + (dwfl_linux_proc_attach): Likewise. + * libdwflP.h (struct Dwfl): Remove process_attach_error. + (__libdwfl_attach_state_for_pid): Removed declaration. + (__libdwfl_attach_state_for_core): Likewise. + (dwfl_core_file_attach): New internal declaration. + (dwfl_linux_proc_attach): Likewise. + (attach_state_for_core): Renamed to... + (dwfl_core_file_attach): ...this. Change return type. + (__libdwfl_attach_state_for_core): Removed. + * linux-pid-attach.c (struct pid_arg): Add assume_ptrace_stopped. + (pid_set_initial_registers): Check assume_ptrace_stopped before + calling ptrace. + (pid_thread_detach): Likewise. + (__libdwfl_attach_state_for_pid): Renamed to... + (dwfl_linux_proc_attach): ...this. Adjust return type. + * linux-proc-maps.c (dwfl_linux_proc_report): Don't call + __libdwfl_attach_state_for_pid implicitly. + +2013-12-28 Mark Wielaard <mjw@redhat.com> + + * linux-proc-maps.c (dwfl_linux_proc_find_elf): Don't return special + character device files, only regular files. + +2013-12-24 Mark Wielaard <mjw@redhat.com> + + * linux-core-attach.c (core_next_thread): Check whether thread_argp + is NULL. Reset core_arg->thread_note_offset and malloc a thread_arg + in that case. Free thread_arg if there are no more threads. + +2013-12-23 Mark Wielaard <mjw@redhat.com> + + * dwfl_segment_report_module.c (dwfl_segment_report_module): Free + build_id before returning early. + +2013-12-23 Mark Wielaard <mjw@redhat.com> + + * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Report actual + pid (thread group leader) to dwfl_attach_state. + +2013-12-21 Mark Wielaard <mjw@redhat.com> + + * frame_unwind.c (handle_cfi): Track whether the return register + has been set and only allow it to be set once. + +2013-12-20 Mark Wielaard <mjw@redhat.com> + + * dwfl_frame.c (one_arg): New struct. + (get_one_thread_cb): New function. + (dwfl_getthread): Likewise. + (one_thread): New struct. + (get_one_thread_frames_cb): New function. + (dwfl_getthread_frames): Likewise. + * libdwfl.h (Dwfl_Thread_Callbacks): Add get_thread function. + (dwfl_getthread_frames): Likewise. + * libdwflP.h (dwfl_getthread_frames): New internal function declaration. + * linux-core-attach.c (core_thread_callbacks): Initialize get_thread + to NULL. + * linux-pid-attach.c (pid_getthread): New function. + (pid_thread_callbacks): Initialize get_thread to pid_getthread. + +2013-12-20 Mark Wielaard <mjw@redhat.com> + + * linux-kernel-modules.c (report_kernel_archive): Correct nested + asprintf result check for debug.a. + +2013-12-18 Mark Wielaard <mjw@redhat.com> + + * derelocate.c (__libdwfl_find_section_ndx): New internal function. + * dwfl_module_addrname.c (dwfl_module_addrname): Use + dwfl_module_addrinfo. + * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Replace with... + (__libdwfl_addrsym): ...this. Use __libdwfl_getsym, use value + for comparisons, not st_value. Fill in off. Search for both value + and the (adjusted) sym.st_value when different. + (dwfl_module_addrsym): Implement using __libdwfl_addrsym. + (dwfl_module_addrinfo): New function. + * dwfl_module_getsym.c (dwfl_module_getsym_elf): Replace with... + (__libdwfl_getsym): ...this. Use ebl_resolve_sym_value if requested + and possible. Adjust sym->st_value only when requested. Fill in addr + if available. + (dwfl_module_getsym_info): New function. + (dwfl_module_getsym): Use __libdwfl_getsym. + * libdwfl.h (dwfl_module_getsym_elf): Removed. + (dwfl_module_getsym_info): New function declaration. + (dwfl_module_addrinfo): Likewise. + (dwfl_module_addrsym): Add documentation describing differences + with addrinfo variants. + (dwfl_module_addrsym_elf): Removed. + * libdwflP.h (__libdwfl_getsym): New internal function declaration. + (__libdwfl_addrsym): Likewise. + (__libdwfl_find_section_ndx): Likewise. + (dwfl_module_addrinfo): New internal declaration. + (dwfl_module_getsym_info): Likewise. + (dwfl_module_addrsym_elf): Removed. + (dwfl_module_getsym_elf): Likewise. + +2013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com> + + * argp-std.c (offline_find_elf): Remove. + (offline_callbacks): Use dwfl_build_id_find_elf instead. + * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Move here the code + removed above. + +2013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com> + + unwinder: s390 and s390x + * dwfl_frame_pc.c (dwfl_frame_pc): Call ebl_normalize_pc. + * frame_unwind.c (new_unwound): New function from ... + (handle_cfi): ... here. Call it. + (setfunc, getfunc, readfunc): New functions. + (__libdwfl_frame_unwind): Call ebl_unwind with those functions. + * linux-core-attach.c (core_set_initial_registers): Always iterate + through the Ebl_Register_Location loop. Call + dwfl_thread_state_register_pc there. + +2013-12-17 Jan Kratochvil <jan.kratochvil@redhat.com> + + * frame_unwind.c (handle_cfi): Call ebl_dwarf_to_regno for RA. + +2013-12-17 Mark Wielaard <mjw@redhat.com> + + * linux-pid-attach.c (pid_next_thread): Call rewinddir on first + traversal. + +2013-12-16 Mark Wielaard <mjw@redhat.com> + + * libdwfl.h (dwfl_module_getsymtab_first_global): New function + definition. + * dwfl_module_getdwarf.c (dwfl_module_getsymtab_first_global): New + function. + * libdwflP.h (dwfl_module_getsymtab_first_global): New internal + function definition. + * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Use new function. + +2013-12-14 Mark Wielaard <mjw@redhat.com> + + * dwfl_module.c (__libdwfl_module_free): Free mod->reloc_info if + allocated. Call dwarf_cfi_end on mod->eh_cfi if necessary. + * frame_unwind.c (handle_cfi): Free frame result from + dwarf_cfi_addrframe when done. + +2013-12-15 Jan Kratochvil <jan.kratochvil@redhat.com> + + unwinder: ppc and ppc64 + * frame_unwind.c (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set): + Call ebl_dwarf_to_regno. + * linux-core-attach.c (core_set_initial_registers): Implement + pc_register support. + * linux-pid-attach.c (pid_thread_state_registers_cb): Implement + FIRSTREG -1. + +2013-11-30 Jan Kratochvil <jan.kratochvil@redhat.com> + + Introduce process_attach_error. + * dwfl_begin.c (dwfl_begin): Initialize process_attach_error. + * dwfl_frame.c (dwfl_pid, dwfl_getthreads): Use PROCESS_ATTACH_ERROR if + PROCESS is NULL. + * libdwflP.h (struct Dwfl): New field process_attach_error. + * linux-core-attach.c (__libdwfl_attach_state_for_core): Rename to ... + (attach_state_for_core): ... here, make it static, change return type, + no longer use __libdwfl_seterrno. + (__libdwfl_attach_state_for_core): New wrapper for it. + +2013-11-27 Mark Wielaard <mjw@redhat.com> + + * dwfl_module_addrsym.c (dwfl_module_addrsym): Rename to and call... + (dwfl_module_addrsym_elf): this. Add elfp and biasp arguments, + keep track of symelf, addr_symelf, closest_elf and sizeless_elf + instead of tracking dwfl_files. + * dwfl_module_getsym.c (__libdwfl_module_getsym): Renamed to... + (dwfl_module_getsym_elf): ...this. Remove dwfl_file argument, add + new elfp and biasp arguments. Track elf instead of file. + (dwfl_module_getsym): Call dwfl_module_getsym_elf. + dwfl_module_info.c (dwfl_module_info): Pass elf to + dwfl_adjusted_st_value. + * libdwfl.h (dwfl_module_getsym): Document limitations of shndx. + (dwfl_module_getsym_elf): New function declaration. + (dwfl_module_addrsym_elf): Likewise. + * libdwflP.h (dwfl_module_addrsym_elf): INTDECL. + (dwfl_module_getsym_elf): Likewise. + (dwfl_adjusted_st_value): Take and check elf not dwfl_file. + (dwfl_deadjust_st_value): Likewise. + (__libdwfl_module_getsym): Removed. + * relocate.c (resolve_symbol): Pass elf to dwfl_adjusted_st_value. + +2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com> + + Fix non-build-id core files on build-id system. + * link_map.c (report_r_debug): Remove valid clearing if build-id cannot + be read from memory. + +2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com> + + * dwfl_segment_report_module.c (dwfl_segment_report_module): New + variable close_elf. Call __libdwfl_find_elf_build_id and compare the + content, if possible. + +2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com> + + link_map: Use proper bias, not l_addr. + * core-file.c (dynamic_vaddr_get): Rename to ... + (__libdwfl_dynamic_vaddr_get): ... here, make it global, + internal_function. + (dwfl_core_file_report): Update name in the caller. + * libdwflP.h (__libdwfl_dynamic_vaddr_get): New declaration. + * link_map.c (report_r_debug): New variable elf_dynamic_vaddr. Call + __libdwfl_dynamic_vaddr_get for it. Remove L_ADDR FIXME comment. + Use ELF_DYNAMIC_VADDR instead of L_ADDR. + +2013-11-19 Jan Kratochvil <jan.kratochvil@redhat.com> + + Compatibility with older kernels such as RHEL-6. + * linux-pid-attach.c (struct pid_arg): New field tid_was_stopped. + (ptrace_attach): New parameter tid_was_stoppedp. Set it. + (pid_set_initial_registers): Pass tid_was_stopped. + (pid_thread_detach): Use tid_was_stopped. + +2013-11-18 Josh Stone <jistone@redhat.com> + + * dwfl_module_getdwarf.c (find_aux_address_sync): New function. + (find_aux_sym): Use it. + +2013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com> + + Code cleanup: Remove const in prototype + * dwfl_frame_regs.c (dwfl_thread_state_registers): Remove const from + firstreg. + * libdwfl.h (dwfl_thread_state_registers): Likewise. + * linux-pid-attach.c (pid_thread_state_registers_cb): Likewise. + +2013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com> + + Fix dwfl_attach_state machine->elf. + * dwfl_frame.c (dwfl_attach_state): Change parameter machine to elf. + Call ebl_openbackend instead of ebl_openbackend_machine. + * libdwfl.h (dwfl_attach_state): Change parameter machine to elf. + Update the function description. + * linux-core-attach.c (__libdwfl_attach_state_for_core): Pass CORE to + dwfl_attach_state. + * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Pass NULL to + dwfl_attach_state. + +2013-11-06 Jan Kratochvil <jan.kratochvil@redhat.com> + + Provide __libdwfl_module_getsym to get dwfl_file *. + * dwfl_module_addrsym.c (dwfl_module_addrsym) (i_to_symfile): Remove. + (dwfl_module_addrsym) (search_table): New variable file. Use + __libdwfl_module_getsym. Use file. + * dwfl_module_getsym.c (dwfl_module_getsym): Rename to ... + (__libdwfl_module_getsym): ... here. Add parameter filep. Set it. + (dwfl_module_getsym): New wrapper. + * libdwflP.h (__libdwfl_module_getsym): New declaration. + +2013-11-13 Jan Kratochvil <jan.kratochvil@redhat.com> + + Fix dwfl_module_addrsym for minidebuginfo. + * dwfl_module_addrsym.c (dwfl_module_addrsym): New variable + addr_symfile. + (dwfl_module_addrsym) (same_section): Use it. + (dwfl_module_addrsym) (i_to_symfile): New function. + (dwfl_module_addrsym) (search_table): Use it. + +2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com> + Mark Wielaard <mjw@redhat.com> + + * Makefile.am (libdwfl_a_SOURCES): Add dwfl_frame.c, frame_unwind.c, + dwfl_frame_pc.c, linux-pid-attach.c, linux-core-attach.c and + dwfl_frame_regs.c. + * core-file.c (dwfl_core_file_report): Call + __libdwfl_attach_state_for_core. + * dwfl_end.c (dwfl_end): Call __libdwfl_process_free. + * dwfl_frame.c: New file. + * frame_unwind.c: New file. + * dwfl_frame_pc.c: New file. + * linux-pid-attach.c: New file. + * linux-core-attach.c: New file. + * dwfl_frame_regs.c: New file. + * libdwfl.h (Dwfl_Thread, Dwfl_Frame): New typedefs. + (dwfl_core_file_report, dwfl_linux_proc_report): Extend comments. + (Dwfl_Thread_Callbacks): New definition. + (struct ebl, dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl) + (dwfl_thread_tid, dwfl_frame_thread, dwfl_thread_state_registers) + (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes) + (dwfl_frame_pc): New declarations. + * libdwflP.h (Dwfl_Process): New typedef. + (LIBEBL_BAD, CORE_MISSING, INVALID_REGISTER, PROCESS_MEMORY_READ) + (PROCESS_NO_ARCH, PARSE_PROC, INVALID_DWARF, UNSUPPORTED_DWARF) + (NEXT_THREAD_FAIL, ATTACH_STATE_CONFLICT, NO_ATTACH_STATE, NO_UNWIND) + (INVALID_ARGUMENT): New DWFL_ERROR entries. + (struct Dwfl): New entry process. + (struct Dwfl_Process, struct Dwfl_Thread, struct Dwfl_Frame) + (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set) + (__libdwfl_process_free, __libdwfl_frame_unwind) + (__libdwfl_attach_state_for_pid, __libdwfl_attach_state_for_core) + (__libdwfl_segment_start, __libdwfl_segment_end): New declarations. + (dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl, dwfl_thread_tid) + (dwfl_frame_thread, dwfl_thread_state_registers) + (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes) + (dwfl_frame_pc): New INTDECL entries. + * linux-proc-maps.c (dwfl_linux_proc_report): Call + __libdwfl_attach_state_for_pid. + * segment.c (segment_start): Rename to ... + (__libdwfl_segment_start): ... here and make it internal_function. + (segment_end): Rename to ... + (__libdwfl_segment_end): ... here and make it internal_function. + (reify_segments, dwfl_report_segment): Rename them at the callers. + +2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com> + + * core-file.c (dwfl_core_file_report): Remove the use of MAX. + +2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com> + + * core-file.c (dwfl_core_file_report): Replaced variable sniffed by + retval. Fix one forgotten LISTED increase. + +2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com> + + Fix core files for re-prelink-ed files. + * core-file.c (dynamic_vaddr_get): New function. + (dwfl_core_file_report): New variable file_dynamic_vaddr. Call + dynamic_vaddr_get instead of using L_ADDR. + * libdwflP.h (struct r_debug_info_module): Remove field l_addr. + * link_map.c (report_r_debug): Do not initialize l_addr. + +2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com> + + Code cleanup. + * core-file.c (dwfl_core_file_report): Reindent block of code by + continue keyword. + +2013-10-30 Jan Kratochvil <jan.kratochvil@redhat.com> + + * argp-std.c (parse_opt): Use executable parameter of + dwfl_core_file_report. + * core-file.c (dwfl_core_file_report): Add parameter executable. Set + it to DWFL. Add NEW_VERSION for it. + (_compat_without_executable_dwfl_core_file_report): New. Twice. + * libdwfl.h (dwfl_core_file_report): Add parameter executable, update + the function comment. + +2013-10-15 Mark Wielaard <mjw@redhat.com> + + * linux-proc-maps.c (proc_maps_report): Ignore non-absolute file + mappings. + (dwfl_linux_proc_find_elf): Don't abort, just return failure. + +2013-09-12 Mark Wielaard <mjw@redhat.com> + + * cu.c (intern_cu): If dwarf_offdie fails free cu. + +2013-09-12 Mark Wielaard <mjw@redhat.com> + + * linux-proc-maps.c (proc_maps_report): Don't fclose FILE in + bad_report. + +2013-09-12 Mark Wielaard <mjw@redhat.com> + + * dwfl_module_getdwarf.c (find_symtab): Call elf_getdata with + aux_xndxscn, not xndxscn, for aux_symxndxdata. + +2013-08-25 Mark Wielaard <mjw@redhat.com> + + * linux-kernel-modules.c (report_kernel): Pass add_p_vaddr as true + to dwfl_report_elf. + +2013-07-25 Jan Kratochvil <jan.kratochvil@redhat.com> + + * dwfl_segment_report_module.c (dwfl_segment_report_module): Check for + conflicts all the modules, not just the first one. Compare L_LD if it + is equal, not if it is in a module address range. + +2013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com> + + * libdwflP.h (__libdwfl_elf_address_range): Add internal_function. + +2013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com> + + * core-file.c (clear_r_debug_info): Close also ELF and FD. + (dwfl_core_file_report): Call __libdwfl_report_elf for + R_DEBUG_INFO.MODULE. + * dwfl_report_elf.c (__libdwfl_elf_address_range): New function from + code of ... + (__libdwfl_report_elf): ... this function. Call it. + * dwfl_segment_report_module.c: Include unistd.h. + (dwfl_segment_report_module): Use basename for MODULE->NAME. + Clear MODULE if it has no build-id and we have segment with build-id. + Ignore this segment only if MODULE still contains valid ELF. + * libdwflP.h (__libdwfl_elf_address_range): New declaration. + (struct r_debug_info_module): New fields fd, elf, l_addr, start, end + and disk_file_has_build_id. + (dwfl_link_map_report): Extend the comment. + * link_map.c (report_r_debug): Extend the comment. Always fill in new + r_debug_info_module. Initialize also the new r_debug_info_module + fields. Remove one FIXME comment. Call __libdwfl_elf_address_range + instead of __libdwfl_report_elf when R_DEBUG_INFO is not NULL. + +2013-07-19 Jan Kratochvil <jan.kratochvil@redhat.com> + + * libdwflP.h (__libdwfl_find_elf_build_id): Add internal_function. + +2013-07-02 Mark Wielaard <mjw@redhat.com> + + * relocate.c (__libdwfl_relocate_value): Remove mod->e_type assert. + +2013-06-05 Mark Wielaard <mjw@redhat.com> + + * link_map.c (report_r_debug): Always call release_buffer after + memory_callback succeeded reading build_id. + +2013-05-30 Jan Kratochvil <jan.kratochvil@redhat.com> + + * argp-std.c (parse_opt) <ARGP_KEY_SUCCESS> <opt->core> <opt->e>: Set + executable_for_core before calling dwfl_core_file_report. + * core-file.c (clear_r_debug_info): New function. + (dwfl_core_file_report): Move raw segments reporting lower. New + variable r_debug_info, pass it to dwfl_segment_report_module. Call + clear_r_debug_info in the end. Return sum of LISTED and SNIFFED. + * dwfl_module_build_id.c (check_notes): Move into + __libdwfl_find_elf_build_id. + (__libdwfl_find_build_id): Rename to ... + (__libdwfl_find_elf_build_id): ... here. Add parameters build_id_bits, + build_id_elfaddr and build_id_len. Verify MOD vs. ELF. + (__libdwfl_find_elf_build_id) (check_notes): Remove parameters mod and + set, rename data_vaddr to data_elfaddr. Do not call found_build_id. + (__libdwfl_find_elf_build_id): Update the check_notes caller, do not + adjust its data_elfaddr parameter. + (__libdwfl_find_build_id): New wrapper of __libdwfl_find_elf_build_id. + * dwfl_segment_report_module.c (dwfl_segment_report_module): New + parameter r_debug_info. New variable name_is_final. Adjust addresses + according to R_DEBUG_INFO->MODULE. Check conflicts against DWFL. + Do not overwrite NAME by SONAME if NAME_IS_FINAL. + * libdwflP.h (__libdwfl_find_elf_build_id): New declaration. + (struct r_debug_info_module, struct r_debug_info): New definitions. + (dwfl_segment_report_module, dwfl_link_map_report): Add parameter + r_debug_info. + * link_map.c: Include fcntl.h. + (report_r_debug): Add parameter r_debug_info, describe it in the + function comment. Delete dwfl_addrmodule call and its dependent code. + Verify build-id before calling dwfl_report_elf, also supply + executable_for_core to it. Store r_debug_info->module info when + appropriate. + (dwfl_link_map_report): Add parameter r_debug_info. New variable + in_ok. Try to read IN from EXECUTABLE_FOR_CORE. Update report_r_debug + caller parameters. + +2013-04-30 Jan Kratochvil <jan.kratochvil@redhat.com> + + * dwfl_report_elf.c (__libdwfl_report_elf): Add parameter add_p_vaddr. + Set it to true for ET_EXEC and ET_CORE. Provide alternative + setup of START and BIAS if !ADD_P_VADDR. Set END from BIAS, not BASE. + (dwfl_report_elf): Add parameter add_p_vaddr. Pass it down. Add + NEW_VERSION. + (_compat_without_add_p_vaddr_dwfl_report_elf) <SHARED>: New, with + COMPAT_VERSION. + * libdwfl.h (dwfl_report_elf): Add parameter add_p_vaddr. Describe it. + * libdwflP.h (__libdwfl_report_elf): Add parameter add_p_vaddr. + * link_map.c (report_r_debug): Use true add_p_vaddr for dwfl_report_elf. + * linux-kernel-modules.c (report_kernel): Use false add_p_vaddr for + dwfl_report_elf. + * offline.c (process_elf): Use true add_p_vaddr for dwfl_report_elf. + +2013-04-27 Mark Wielaard <mjw@redhat.com> + + * link_map.c: #include system.h. + +2013-04-26 Jan Kratochvil <jan.kratochvil@redhat.com> + + * link_map.c (BE32, BE64, LE32, LE64): Delete the definitions, move + them to lib/system.h. + +2013-04-24 Mark Wielaard <mjw@redhat.com> + + * Makefile.am: Use AM_CPPFLAGS instead of INCLUDES. + +2013-03-20 Jan Kratochvil <jan.kratochvil@redhat.com> + + * dwfl_report_elf.c (__libdwfl_report_elf): Remove BASE aligning. + +2013-03-12 Mark Wielaard <mjw@redhat.com> + + * dwfl_getsrclines.c (dwfl_getsrclines): Return 0 on success. + +2013-02-22 Mark Wielaard <mjw@redhat.com> + + * open.c (__libdw_gunzip,__libdw_bunzip2,__libdw_unlzma): Define + as DWFL_E_BADELF when not used. + +2013-02-10 Mark Wielaard <mjw@redhat.com> + + * argp-std.c (parse_opt): Use opt->core and opt->e explicitly in + failure messages When handling ARGP_KEY_SUCCESS because arg will + not have been set. + +2013-01-30 Jan Kratochvil <jan.kratochvil@redhat.com> + + * linux-proc-maps.c: Include system.h. + (PROCEXEFMT, get_pid_class): New. + (grovel_auxv): Detect 32-bit vs. 64-bit auxv, possibly call + get_pid_class. + +2013-01-23 Mark Wielaard <mjw@redhat.com> + + * dwfl_module_getdwarf.c (find_aux_sym): Don't substract one + from aux_syments by default. + (find_symtab): Also succeed when only aux_symdata is found. + When no symtab is found always try to load auxiliary table. + (dwfl_module_getsymtab): Substract one from result when both + tables have symbols. + * dwfl_module_getsym.c (dwfl_module_getsym): Only skip auxiliary + zero entry when both tables have symbols. + * dwfl_module_addrsym.c (dwfl_module_addrsym): Only substract + one from first_global when both tables have symbols. + +2013-01-16 Mark Wielaard <mjw@redhat.com> + + * libdwflP.h (struct Dwfl_Module): Add aux_sym, aux_symdata, + aux_syments, aux_symstrdata, aux_symxndxdata and aux_first_global. + (dwfl_adjusted_aux_sym_addr): New function. + (dwfl_deadjust_aux_sym_addr): Likewise. + (dwfl_adjusted_st_value): Take and check symfile argument. + (dwfl_deadjust_st_value): Likewise. + * dwfl_module_getdwarf.c (find_prelink_address_sync): Take and + use dwfl_file as argument to set address_sync. + (find_debuginfo): Call find_prelink_address_sync with debug file. + (find_aux_sym): New function. + (find_symtab): Use find_aux_sym if all we have is the dynsym table + and fill in aux DwflModule fields. + (dwfl_module_getsymtab): Return syments plus aux_syments. + (load_symtab): Always set first_global. + * dwfl_module_addrsym.c (dwfl_module_addrsym): Check symfile + when using same_section. Calculate first_global based on both + mod->first_global and mod->aux_first_global. + * dwfl_module.c (__libdwfl_module_free): Free aux_sym. + * dwfl_module_getsym.c (dwfl_module_getsym): Use auxsym table + to retrieve symbol and name if necessary, making sure all locals + from any table come before any globals. + * dwfl_module_info.c (dwfl_module_info): Call dwfl_adjusted_st_value + with symfile. + * relocate.c (resolve_symbol): Likewise. + +2013-01-07 Roland McGrath <roland@hack.frob.com> + + * link_map.c (auxv_format_probe): Handle unaligned 64-bit data, but + still assume the data is at least 32-bit aligned anyway. + (dwfl_link_map_report): Handle unaligned auxv data. + +2012-12-11 Mark Wielaard <mjw@redhat.com> + + * linux-kernel-modules.c (report_kernel): Only free fname if + find_kernel_elf succeeds and allocates it. + (report_kernel_archive): Fix brackets around unlikely expression. + +2012-11-29 Jan Kratochvil <jan.kratochvil@redhat.com> + + * argp-std.c: Update Copyright year. + (offline_find_elf): New function. + (offline_callbacks): Use it for find_elf. + (struct parse_opt): New. + (parse_opt): New key ARGP_KEY_INIT. In other make hook struct + parse_opt pointer from former Dwfl pointer. Delay 'e and OPT_COREFILE + processing till ARGP_KEY_SUCCESS. Initialize state->input already from + ARGP_KEY_SUCCESS. Modify the cleanup in ARGP_KEY_ERROR. Make the + final state->input initialization optional. + * dwfl_end.c: Update Copyright year. + (dwfl_end): Free executable_for_core. + * libdwflP.h: Update Copyright year. + (struct Dwfl): New field executable_for_core. + +2012-11-20 Jan Kratochvil <jan.kratochvil@redhat.com> + + * dwfl_report_elf.c (__libdwfl_report_elf): Simplify START and BIAS + calculation. + +2012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com> + + * dwfl_module_getdwarf.c (mod_verify_build_id): New function with code + from ... + (__libdwfl_getelf): ... here. Call it. + +2012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com> + + * libdwfl.h (dwfl_module_getelf): Add __nonnull_attribute__. + +2012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com> + + * dwfl_segment_report_module.c (dwfl_segment_report_module): + Initialize mod->MAIN_BIAS. + +2012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com> + + * dwfl_module_addrsym.c (dwfl_module_addrsym): New function + binding_value. Use it for both zero and non-zero size symbols + comparisons. + +2012-10-01 Mark Wielaard <mjw@redhat.com> + + * cu.c (cudie_offset): Don't use type_sig8, it might not be + initialized and these are always real CUs, never TUs. + +2012-10-01 Mark Wielaard <mjw@redhat.com> + + * derelocate.c (find_section): Check next section exists before + accessing it. + +2012-08-01 Petr Machata <pmachata@redhat.com> + + * offline.c (process_archive_member): Ignore entry "/SYM64/". + +2012-03-28 Roland McGrath <roland@hack.frob.com> + + * dwfl_segment_report_module.c + (dwfl_segment_report_module: read_portion): Don't use existing buffer + when FILESZ is zero (string mode) and available portion doesn't hold + a terminated string. + 2011-12-02 Roland McGrath <roland@hack.frob.com> * elf-from-memory.c (elf_from_remote_memory): Fix ELFCLASS64 case |