for DW_FORM_ref_addr, handle DW_FORM_sec_offset, DW_FORM_exprloc
and DW_FORM_flag_present. For unknown form value return NULL.
(scan_unit_for_symbols): For DW_AT_location handle DW_FORM_exprloc
like DW_FORM_block.
(parse_comp_unit): Allow CU version 4.
* dwarf2.c (concat_filename): Rename dirname with dir_name
to void shadowing the dirname function.
Rename subdirname with subdir_name to stay consistent with
the new dir_name variable name.
(struct line_info_table): Add num_sequences, remove last_line,
add sequences.
(add_line_info): Add new sequences as necessary.
(compare_sequences): New function.
(sort_line_sequences): New function.
(decode_line_info): Initialize new fields in line table.
Call sort_line_sequences.
(lookup_address_in_line_info_table): Binary search for proper
sequence.
(read_n_bytes): Remove unhelpful comment.
(read_indirect_string): Pass symbol table to read_section in case
the .debug_str section needs relocating.
PR 7037
* elf32-cr16.c (cr16_elf_howto_table): Zero the src_mask field of
the reloc descriptions.
* dwarf2.c (struct adjusted_section): Renamed from struct
loadable_section.
(struct dwarf2_debug): Adjust for renaming. Add version field.
(read_attribute_value): Correctly handle DW_FORM_ref_addr for
DWARF3.
(find_abstract_instance_name): Pass a pointer to
attribute instead of offset. For DW_FORM_ref_addr, get the
entry at the offset from the .debug_info section.
(scan_unit_for_symbols): Update.
(parse_comp_unit): Allow DWARF3. Save the version.
(unset_sections): Update for renaming.
(place_sections): Likewise. Set new VMAs for DWARF sections
also.
* dwarf2.c (struct dwarf2_debug): New variable info_ptr_memory.
(find_line): Use info_ptr_memory instead of sec_info_ptr.
(_bfd_dwarf2_cleanup_debug_info): Likewise.
of unsigned long as last parameter.
(struct dwarf2_debug): Define dwarf_abbrev_size, dwarf_line_size,
dwarf_str_size and dwarf_ranges_size as bfd_size_type instead of
unsigned long.
* Makefile.am (BFD32_LIBS): Add compress.lo.
(BFD32_LIBS_CFILES): Add compress.c.
(BFD_H_FILES): Likewise.
* Makefile.in: Regenerate.
* bfd-in2.h: Regenerate.
* config.in: Add HAVE_ZLIB_H
* configure.in: Add test for libz and zlib.h
* configure: Regenerate.
* dwarf2.c (read_section): New function.
(read_indirect_string): Call new function read_section.
(read_abbrevs): Likewise.
(decode_line_info): Likewise.
(read_debug_ranges): Likewise.
(find_line): Call new function read_section when just one
.zdebug_info section is found, otherwise read and compress
multiple sections.
(_bfd_dwarf2_cleanup_debug_info): Free sec_info_ptr.
* elf.c (_bfd_elf_make_section_from_shdr): Add zdebug prefix.
(special_sections_z): New struct.
(special_sections): Refer to special_sections_z.
* elfxx-mips.c (_bfd_mips_elf_section_from_shdr): Recognize
sections named .zdebug_*.
(_bfd_mips_elf_fake_sections): Likewise.
* compress.c: New file.
(bfd_uncompress_section_contents): New function.
bfd/doc/
* Makefile.am (BFD_H_DEP): Add ../compress.c.
* Makefile.in: Regenerate.
binutils/
* config.in: Add HAVE_ZLIB_H
* configure.in: Add test for libz and zlib.h
* configure: Regenerate.
* dwarf.c (debug_displays): Add .zdebug_* strings.
* dwarf.h (struct dwarf_section): Add fields uncompressed_namd
and compressed_name.
* objdump.c (load_debug_section): Call
bfd_uncompress_section_contents when loading a compressed
section.
(dump_dwarf_section): Recognize compressed section name.
(mach_o_dwarf_sections): Rename as
mach_o_uncompressed_dwarf_sections.
(mach_o_compressed_dwarf_sections): New variable.
(generic_dwarf_section): Rename as
generic_uncompressed_dwarf_sections.
(generic_compressed_dwarf_sections): New variable.
(check_mach_o_dwarf): Save and restore
mach_o_compressed_dwarf_sections.
* readelf.c: Add #include for config.h and zlib.h
(process_section_headers): Recognize compressed section name.
(uncompress_section_contents): New function.
(load_debug_section): Call uncompress_section_contents when
loading a compressed section.
(display_debug_section): Recognize compressed section name.
binutils/testsuite:
* binutils-all/objdump.exp: Add test for objdump -s on a file
with a compressed debug section. Add test for objdump -W on a
file that contains a compressed debug section.
* binutils-all/readelf.exp: Call readelf_compressed_wa_test.
(readelf_compressed_wa_test): New function.
* binutils-all/dw2-compressed.S: New file.
* binutils-all/objdump.W: New file.
* binutils-all/objdump.s: New file.
* binutils-all/readelf.wa: New file.
* libbfd.c (bfd_realloc_or_free): New function. Performs like
bfd_realloc, but if the (re)allocation fails, the pointer is
freed.
* libbfd-in.h: Prototype.
* libbfd.h: Regenerate.
* bfdio.c (bfd_bwrite): Use the new function.
(bfd_seek): Likewise.
* bfdwin.c:(bfd_get_file_window): Likewise.
* elf-strtab.c (_bfd_elf_strtab_add): Likewise.
* elf32-ppc.c (ppc_elf_relax_section): Likewise.
* elf32-xtensa.c (vsprintf_msg): Likewise.
* mach-o.c (bfd_mach_o_core_fetch_environment): Likewise.
* stabs.c (_bfd_link_seciton_stabs): Likewise.
* vms-misc.c (_bfd_vms_get_record): Likewise.
* vms-tir.c (check_section): Likewise.
* vms.c (vms_new_section_hook): Likewise.
* elf32-arm.c (elf32_arm_section_map_add): Check that the
allocation of sec_data->map succeeded before using it.
* elflink.c (elf_link_output_sym): Do not overwrite finfo->
symshndxbuf until it is known that the reallocation succeeded.
* dwarf2.c (read_abbrevs): Free the abbreviation table if we run
out of memory.
(decode_line_info): Free the line_info_table before returning a
failure result.
(_bfd_dwarf2_cleanup_debug_info): Free the abbreviation table.
Free the line table. Free the function table. Free the variable
table.
(BFD32_LIBS_CFILES): Add arange-set.c.
(SOURCE_HFILES): Add arange-set.h
(dwarf2.lo): Add dependency upon arange-set.h.
(arange-set.lo): New target.
* Makefile.in: Regenerate.
* arange-set.c: New file.
* arange-set.h: New file.
* dwarf2.c: Include arange-set.h.
(struct dwarf2_debug) Add new fields comp_unit_count and comp_unit_arange_set.
(struct comp_unit) Replace field arange with a new field arange_set.
(dwarf2_arange_set_allocate, dwarf2_arange_set_deallocate,
(dwarf2_combine_arange_value, dwarf2_arange_set_new,
(dwarf2_arange_set_with_value_new, dwarf2_comp_unit_arange_add): New
functions to utilize arange set in dwarf2.c.
(arange_add): Formatting change for a line longer than 80 characters.
(decode_line_info): Replace call target arange_add with
(dwarf2_comp_unit_arange_add.
(read_rangelist_insert_arange_list,
(read_rangelist_comp_unit_arange_add): New functions used as callbacks
for read_rangelist.
(read_rangelist): Change interface to accept a callback and data to
allow caller to select the action peformed on a new range list read.
(scan_unit_for_symbols): Use new interface of read_rangelist.
(parse_comp_unit): Create an arange set for each new comp unit. Use new
interface of read_rangelist. Replace call to arange_add with that to
dwarf2_comp_unit_arange_add.
(comp_unit_contains_address): Replace sequential search with a call to
arange_set_lookup_address, which can handles large set efficiently.
(stash_copy_local_aranges, stash_maybe_enable_arange_set,
(stash_find_nearest_line_fast): New functions maintaining and using a
valued global arange set for all compilation units to speed up
bfd_dwarf2_find_nearest_line.
(find_line): Use global arange set. Replace sequential search over all
compilation units with a call to stash_find_nearest_line_fast. Add
book keeping to count number of compilation units. Replace empty
arange list test with a call to arange_set_empty_p.
2007-09-02 H.J. Lu <hongjiu.lu@intel.com>
PR ld/4986
* dwarf2.c (new_line_sorts_after): Undo the last change.
(add_line_info): Only keep the last entry with the same address
and end sequence.
ld/testsuite/
2007-09-02 H.J. Lu <hongjiu.lu@intel.com>
PR ld/4986
* ld-ia64/line.exp: New.
* ld-ia64/undefined.s: Likewise.
* ld-x86-64/line.exp: Don't check CC.
* dwarf2.c (struct dwarf2_debug): Add new fields to support function and variable info hash tables. Add last_comp_unit, info_hash_count, funcinfo_hash_table, varinfo_hash_table, hash_units_head.
(struct comp_unit): Add prev_unit, cached.
(struct info_list_node, struct info_hash_entry, struct info_hash_table): New.
(info_hash_table_newfunc, create_info_hash_table, insert_info_hash_table, lookup_info_hash_table): New functions implementing function and variable info hash tables.
(scan_unit_for_symbols): Add checks to make sure hash tables are consistent with compilation units.
(comp_unit_maybe_decode_line_info): New function.
(comp_unit_find_line): Use comp_unit_maybe_decode_line_info.
(reverse_funcinfo_list, reverse_varinfo_list, comp_unit_hash_info, info_hash_lookup_funcinfo, info_hash_lookup_varinfo, stash_maybe_update_info_hash_table, stash_verify_info_hash_table, stash_maybe_enable_info_hash_tables, stash_find_line_fast): New functions. Make use of info hash tables to speed up bfd_dwarf2_find_line.
(find_line): Use hash table for faster lookup if it is turned on.
Also add code to maintain bi-directional link in comp units.
(struct dwarf2_debug): Add bfd field to record the bfd containing the debug info.
(parse_comp_unit): Remove ABFD parameter. Instead use the bfd field in the dwarf2_debug structure.
(_bfd_dwarf2_find_nearest_line): If a debug info section could not be found in the current bfd call bfd_follow_gnu_debuglink to see if another file contains the debug information. If it does, open it and continue.
(bfd_dwarf2_find_line): Likewise.
argument and emits the string followed by a comma and then the length of
the string.
(CONST_STRNEQ): New macro. Checks to see if a variable string has a constant
string as its initial characters.
(CONST_STRNCPY): New macro. Copies a constant string to the start of a
variable string.
* bfd-in2.h: Regenerate.
* <remainign files>: Make use of the new macros.
PR binutils/2338
* dwarf2.c (check_function_name): New function.
(_bfd_dwarf2_find_nearest_line): Use check_function_name to
check if function is correct.
PR binutils/2096
* dwarf2.c (comp_unit_contains_address): Update comment.
(_bfd_dwarf2_find_nearest_line): Use section's vma, instead of
lma. Return TRUE only if both comp_unit_contains_address and
comp_unit_find_nearest_line return TRUE.
(_bfd_dwarf2_find_line): Use section's vma, instead of lma.
* dwarf2.c (find_abstract_instance_name): Don't early exit when name
set. For DW_AT_name case, only set name if not already set. Handle
DW_AT_MIPS_linkage_name.
2005-08-17 H.J. Lu <hongjiu.lu@intel.com>
PR binutils/1179
* dwarf2.c (_bfd_dwarf2_find_nearest_line): Use section lma
instead of vma.
(_bfd_dwarf2_find_line): Likewise.
binutils/
2005-08-17 H.J. Lu <hongjiu.lu@intel.com>
PR binutils/1179
* objdump.c (disassemble_bytes): Don't adjust
adjust_section_vma.
(adjust_addresses): Don't adjust vma for debugging section.
Adjust lma only for relocatable files.
(dump_bfd): Tell adjust_addresses if it is a relocatable file.
2005-08-05 Fred Fish <fnf@specifix.com>
* dwarf2.c (read_rangelist): Use addr_size instead of offset_size
to determine how many bytes to read from each rangelist entry.
2005-05-23 Fred Fish <fnf@specifixinc.com>
* dwarf2.c (struct dwarf2_debug): Add inliner_chain member.
(struct funcinfo): Add caller_func, caller_file, caller_line.
tag, and nesting_level members.
(lookup_address_in_function_table): Change first passed parameter
from "struct funcinfo *" to "struct comp_unit *".
(lookup_address_in_function_table): Dereference unit to find function
table.
(lookup_address_in_function_table): Traverse the function list to
create a chain of inlined functions back to the first non inlined
function.
(scan_unit_for_functions): Remember tag and nesting level. Handle
DW_AT_call_file and DW_AT_call_line.
(comp_unit_find_nearest_line): Adjust lookup_address_in_function_table
call to pass unit pointer instead of function table pointer. For
inlined functions, save pointer to the inliner chain.
(_bfd_dwarf2_find_nearest_line): Initialize inliner_chain to NULL.
(_bfd_dwarf2_find_inliner_info): New function that returns information
from the inliner chain after a call to bfd_find_nearest_line.
* bfd.c (bfd_find_inliner_info): Define using BFD_SEND.
* targets.c (BFD_JUMP_TABLE_SYMBOLS): Add entry for
NAME##_find_inliner_info.
(bfd_target): Add _bfd_find_inliner_info.
* bfd-in2.h: Regenerate.
* libbfd-in.h (_bfd_nosymbols_find_inliner_info): Define as
macro that always returns bfd_false.
(_bfd_dwarf2_find_inliner_info): Declare.
* libbfd.h: Regenerate.
* elf32-arm.c (elf32_arm_find_inliner_info): New function
that calls _bfd_dwarf2_find_inliner_info.
(bfd_elf32_find_inliner_info): Define to elf32_arm_find_inliner_info.
* elfxx-mips.c (_bfd_mips_elf_find_inliner_info): New function
that calls _bfd_dwarf2_find_inliner_info.
* elfxx-mips.h (_bfd_mips_elf_find_inliner_info): Declare.
* elfn32-mips.c (bfd_elf32_find_inliner_info): Define to
_bfd_mips_elf_find_inliner_info.
* elf64-mips.c (bfd_elf64_find_inliner_info): Ditto.
* elf32-mips.c (bfd_elf32_find_inliner_info): Ditto.
* elf.c (_bfd_elf_find_inliner_info): New function that calls
_bfd_dwarf2_find_inliner_info.
* elf-bfd.h (_bfd_elf_find_inliner_info): Declare.
* elfxx-target.h (bfd_elfNN_find_inliner_info): Define to
_bfd_elf_find_inliner_info.
* coffgen.c (coff_find_inliner_info): New function that
calls _bfd_dwarf2_find_inliner_info.
* libcoff-in.h (coff_find_inliner_info): Declare.
* libcoff.h: Regenerate.
* coff-rs6000.c (rs6000coff_vec): Add coff_find_inliner_info.
(pmac_xcoff_vec) Ditto.
* coff64-rs6000.c (rs6000coff64_vec): Ditto.
(aix5coff64_vec): Ditto.
* aout-target.h (MY_find_inliner_info): Define as
_bfd_nosymbols_find_inliner_info.
* aout-tic30.c (MY_find_inliner_info): Ditto.
* binary.c (binary_find_inliner_info): Ditto.
* i386msdos.c (msdos_find_inliner_info): Ditto.
* ihex.c (ihex_find_inliner_info): Ditto.
* libaout.h (aout_32_find_inliner_info): Ditto.
* libecoff.h (_bfd_ecoff_find_inliner_info): Ditto.
* mach-o.c (bfd_mach_o_find_inliner_info): Ditto.
* mmo.c (mmo_find_inliner_info): Ditto.
* nlm-target.h (nlm_find_inliner_info): Ditto.
* pef.c (bfd_pef_find_inliner_info): Ditto.
* ppcboot.c (ppcboot_find_inliner_info): Ditto.
* srec.c (srec_find_inliner_info): Ditto.
* tekhex.c (tekhex_find_inliner_info): Ditto.
* versados.c (versados_find_inliner_info): Ditto.
* xsym.c (bfd_sym_find_inliner_info): Ditto.
* ieee.c (ieee_find_inliner_info): New function that always
returns FALSE.
* oasys.c (oasys_find_inliner_info): Ditto.
* vms.c (vms_find_inliner_info): Ditto.
before returning.
(decode_line_info): Likewise.
(_bfd_dwarf2_cleanup_debug_info): New function: Frees memory allocated by
functions in this file.
* elf-bfd.h (_bfd_dwarf2_cleanup_debug_info): Prototype.
* elf.c (bfd_elf_close_and_cleanup): Call _bfd_dwarf2_cleanup_debug_info.
2005-04-03 Fred Fish <fnf@specifixinc.com>
* dwarf2.c (struct dwarf2_debug): Add dwarf_ranges_buffer and
dwarf_ranges_size members.
(struct comp_unit): Add base_address member.
(struct funcinfo): Replace low/high members with an arange.
(arange_add): Replace incoming "unit" parameter with "abfd" and
"first_arange" pointers. Reorganize/rewrite function body.
(decode_line_info): Change arange_add call to pass bfd and arange
pointers.
(lookup_address_in_line_info_table): Use arange list instead of
individual low/high members. Walk function's arange list to find
lowest PC in list, to test for overlapping functions.
(read_debug_ranges): New function, reads the debug_ranges section.
(lookup_address_in_function_table): Use arange list instead of
individual low/high members. Rewrite to find smallest range that
matches.
(read_rangelist): Read a given rangelist from debug_ranges.
(scan_unit_for_functions): Use arange list instead of individual
low/high members. Handle a DW_AT_ranges attribute.
(parse_comp_unit): Use arange list instead of individual low/high
members. Save comp unit base address. Handle a DW_AT_ranges
attribute.
2005-03-29 Fred Fish <fnf@specifixinc.com>
* dwarf2.c (struct comp_unit): Fix typo.
(scan_unit_for_functions): Remove unused local variable "name"
and dead code that set it.
* dwarf2.c (dwarf2_debug): Move info_ptr_unit to ...
(comp_unit): Here.
(read_unsigned_leb128): Removed.
(read_signed_leb128): Removed.
(find_abstract_instance_name): Updated.
(parse_comp_unit): Accept info_ptr_unit.
(_bfd_dwarf2_find_nearest_line): Set info_ptr_unit for each
comp unit and pass it to parse_comp_unit.
* elf-eh-frame.c (read_unsigned_leb128): Moved to ...
(read_signed_leb128): Moved to ...
* libbfd.c: Here.
* libbfd-in.h (read_unsigned_leb128): New prototype.
(read_signed_leb128): Likewise.
* libbfd.h: Regenerated.
* dwarf2.c (_bfd_dwarf2_find_nearest_line): Add output section
vma and output offset to address.
* simple.c (simple_save_output_info): Only set output section
and offset for debug sections, or those not already set up by
the linker.
(bfd_simple_get_relocated_section_contents): Update comment.
ld/testsuite/
* ld-elfvsb/elfvsb.exp: Remove file name from "undefined ref" string.
parameter symbol_table. Optionally use it instead of the symbol
table from the bfd. Save and restore output offsets and output
sections around bfd_get_relocated_section_contents. Fix a memory
leak.
(simple_save_output_info, simple_restore_output_info): New
functions.
* bfd-in2.h: Regenerate.
* dwarf2.c (read_abbrevs): Use
bfd_simple_get_relocated_section_contents instead of
bfd_get_section_contents.
(decode_line_info): Likewise.
(_bfd_dwarf2_find_nearest_line): Likewise. Don't call
find_rela_addend.
(find_rela_addend): Remove.
* elfxx-ia64.c (elfNN_ia64_reloc): Weaken sanity check for
debugging sections.
(elfNN_ia64_hash_table_create): Create the hash table with malloc,
not bfd_zalloc.
unsigned int. Cast RELOC_BASE10, RELOC_BASE13 and RELOC_BASE22 to
unsigned int.
(NAME(aout,final_link)): Cast enum used in assignment.
(aout_link_write_symbols): Cast enums in comparisons, int values to
boolean, enums in assignments to int.
(aout_link_input_section_std): Cast rel->r_index to unsigned int.
(aout_link_input_section_ext): Likewise. Cast enums used in comparisons
with unsigned ints.
(aout_link_reloc_link_order): Cast enum to int in assignment.
* archive.c (_bfd_generic_read_ar_hdr_mag): Cast result of memchr
calls to char *.
* bfd-in.h (bfd_set_section_vma): Cast enum true to unsigned int in
assignment.
* bfd-in2.h (bfd_set_section_vma): Likewise.
* bfd.c (bfd_record_phdr): Cast enums in assignments.
* binary.c (bfd_alloc): Cast enum to long.
* coffgen.c (_bfd_coff_is_local_label_name): Cast return to boolean.
* dwarf2.c (read_abbrevs): Add casts to enum types.
(read_attribute_value): Likewise.
(arange_add): Cast result of bfd_zalloc call.
(comp_unit_contains_address): Return true and false.
(comp_unit_find_nearest_line): Cast return to boolean.
* format.c (bfd_check_format_matches, bfd_set_format): Likewise.
* gen-aout.c: define macro '_' if not defined.
* libbfd.c (bfd_realloc): Cast malloc and realloc to PTR.
(bfd_bwrite): Cast bfd_realloc to bfd_byte *.
(bfd_write_bigendian_4byte_int): Cast return to boolean.
(bfd_seek): Cast bfd_realloc to bfd_byte *.
(bfd_generic_is_local_label_name): Cast return to boolean.
* libcoff.h (_bfd_coff_adjust_symndx): Remove extraneous '\'.
* linker.c (_bfd_link_hash_newfunc): Cast bfd_hash_allocate result to
struct bfd_hash_entry *.
(_bfd_generic_link_hash_newfunc): likewise.
(_bfd_generic_final_link): Cast enum to unsigned int.
* merge.c (sec_merge_emit): Cast return to boolean.
(merge_strings): Add casts to const unsigned char *.
* reloc.c (bfd_get_reloc_code_name): Cast enums in comparison to int.
(bfd_generic_get_relocated_section_content): Cast enum to unsigned int.
* section.c (bfd_section_hash_newfunc): Cast bfd_hash_allocate result to
struct bfd_hash_entry *.
(bfd_set_section_content): Add cast to PTR in comparison.
* simple.c (simple_dummy_warning, simple_dummy_undefined_symbol,
simple_dummy_reloc_overflow, simple_dummy_reloc_dangerous,
simple_dummy_unattached_reloc,
bfd_simple_get_relocated_section_contents): Add K&R declarations and
function definitions.
* srec.c (S3Forced): Initialize to false.
(srec_get_symtab): Cast return value from bfd_alloc to asymbol *.
* stabs.c (_bfd_link_section_stabs): Cast enum to int in comparisons.
(_bfd_discard_section_stabs): Likewise. Also cast return to boolean.
* syms.c (bfd_is_undefined_symclass): Cast return to boolean.
(_bfd_stab_section_find_nearest_line): Cast enum to bfd_byte in
comparisons.
sorted even when given an out-of-order line sequence.
(lookup_address_in_line_info_table): When an exact VMA match is
not found, return line information with the closest VMA.
Jakub Jelinek
Alan Modra
Cary Coutant
Joel Brobecker
Nick Clifton
Tom Tromey
Dave Korn
Andrew Stubbs
Adam Nemet
Daniel Jacobowitz
Craig Silverstein
Andreas Schwab
Nathan Sidwell
H.J. Lu
Carlos O'Donell
Ben Elliston
Jim Wilson
Fred Fish
Paul Koning
Zack Weinberg
Kazu Hirata
Alexandre Oliva
Dave Anglin
Richard Earnshaw