PR binutils/20814
* dlltool.c (struct export): Remove hint field.
(make_one_lib_file): Store the ordinal value for IDATA6 not the
hint.
(gen_lib_file): Delete reference to hint field.
(mangle_defs): Delete computation of hint field.
PR binutils/20751
* nm.c (with_symbol_versions): New local variable.
(long_options): Add --with-symbol-versions.
(usage): Mention --with-symbol-versions.
(print_symbol): If with_symbol_versions is set then display the
version information associated with the symbol.
* NEWS: Mention the new feature.
* doc/binutils.texi (nm): Document the new option.
(objdump): Describe how symbol version information is displayed
for dynamic symbol dumps.
(readelf): Describe how symbol version information is displayed.
* testsuite/binutils-all/nm.exp: Add a test of the new feature.
I've been using dwarf-mode.el again recently and I found it mildly
annoying that the mode doesn't set default-directory. Setting it
means that operations in the dwarf-browsing buffer default to the
directory holding the object file being investigated.
This bumps the version number as well so that updating it via the
package manager works properly.
2016-11-04 Tom Tromey <tom@tromey.com>
* dwarf-mode.el (dwarf-browse): Set default-directory. Bump
version number.
* readelf.c (apply_relocations): Fail if the symbol table section
linked to by the reloc section does not have either the SHT_SYMTAB
or SHT_DYNSYM type.
(print_gnu_note): Decode the contents of NT_GNU_HWCAP notes.
Print the contents of unknown note types.
(process_note): Add the file and section to the parameter list.
Use print_symbol to display the note name.
Display the contents of unknown note types.
(process_corefile_note_segment): Rename to process_notes_at.
Add section parameter. Apply relocations to the notes when
loading from a section. Display section name when processing
notes in a section.
* testsuite/binutils-all/readelf.n: Update expected output.
As pointed out in PR binutils/19020, those tests were still failing when doing
remote testing. This is because the binary files weren't being copied over to
the remote host for testing.
FAIL: binutils-all/pr19020a
FAIL: binutils-all/pr19020b
This small patch fixes this up to make things pass.
binutils/ChangeLog:
2016-10-14 Luis Machado <lgustavo@codesourcery.com>
* testsuite/lib/utils-lib.exp (run_dump_test): Call remote_download
to copy file to remote host.
On S/390 we see quite often registers marked as "bad register" in the
readelf --debug-dump=frames or objdump -Wf output.
00000000 0000000000000014 00000000 CIE
Version: 1
Augmentation: "zR"
Code alignment factor: 1
Data alignment factor: -8
Return address column: 14
Augmentation data: 1b
DW_CFA_def_cfa: r15 ofs 160
DW_CFA_nop
DW_CFA_nop
DW_CFA_nop
...
00000050 000000000000001c 00000054 FDE cie=00000000 pc=0000000080000e58..0000000080000e84
DW_CFA_advance_loc: 6 to 0000000080000e5e
DW_CFA_offset: r14 at cfa-48
DW_CFA_offset: r15 at cfa-40
DW_CFA_advance_loc: 6 to 0000000080000e64
DW_CFA_def_cfa_offset: 320
DW_CFA_advance_loc: 18 to 0000000080000e76
DW_CFA_restore: bad register: r15 <------
DW_CFA_restore: r14
DW_CFA_def_cfa_offset: 160
This is triggered by this check in display_debug_frames (dwarf.c):
case DW_CFA_restore:
if (opa >= (unsigned int) cie->ncols
|| opa >= (unsigned int) fc->ncols)
reg_prefix = bad_reg;
cie->ncols is number of registers referenced in the CIE which is 15 due
to r14 being given as return address column. So for the CFA_restore of
r15 a "bad register" is being printed while the same rule on r14 is ok.
The reason for this check is to prevent wild memory accesses when
reading input with corrupted register values while accessing the
col_type/col_offset arrays. However in that case r15 is a perfectly
valid register. It just happens not to be mentioned in the CIE. Hence
restoring the CIE rule for r15 should end up with the default rule which
is DW_CFA_undefined.
This probably wasn't observed on other platforms because they either do
not use CFA_restore (x86-64) or do not issue CFA_restore on registers
with a higher number than the return address column.
binutils/ChangeLog:
2016-09-29 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* dwarf.c (frame_display_row): Fix formatting of return address
register column.
(display_debug_frames): Ignore invalid indices into
cie->col_type/cie->col_offset arrays and default to
DW_CF_undefined instead.
This patch adds support for .cfi_val_offset GAS pseudo command which
maps to DW_CFA_val_offset and DW_CFA_val_offset_sf.
gas/ChangeLog:
2016-09-29 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* doc/as.texinfo: Add docu for .cfi_val_offset.
* dw2gencfi.c (cfi_add_CFA_val_offset): New function.
(dot_cfi): Add case for DW_CFA_val_offset.
(output_cfi_insn): Likewise.
(cfi_pseudo_table): Add entry for cfi_val_offset.
* dw2gencfi.h: Add prototype for cfi_add_CFA_val_offset.
* testsuite/gas/cfi/cfi-common-8.d: New test.
* testsuite/gas/cfi/cfi-common-8.s: New test.
* testsuite/gas/cfi/cfi.exp: Run cfi-common-8 testcase.
binutils/ChangeLog:
2016-09-29 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* dwarf.c (display_debug_frames): Adjust output line.
This patch extends Tag_GNU_Power_ABI_FP to cover long double ABIs,
makes the assembler warn about undefined tag values, and removes
similar warnings from the linker. I think it is better to not
warn in the linker about undefined tag values as future extensions to
the tags then won't result in likely bogus warnings. This is
consistent with the fact that an older linker won't warn on an
entirely new tag.
include/
* elf/ppc.h (Tag_GNU_Power_ABI_FP): Comment.
bfd/
* elf-bfd.h (_bfd_elf_ppc_merge_fp_attributes): Declare.
* elf32-ppc.c (_bfd_elf_ppc_merge_fp_attributes): New function.
(ppc_elf_merge_obj_attributes): Use it. Don't copy first file
attributes, merge them. Don't warn about undefined tag bits,
or copy unknown values to output.
* elf64-ppc.c (ppc64_elf_merge_private_bfd_data): Call
_bfd_elf_ppc_merge_fp_attributes.
binutils/
* readelf.c (display_power_gnu_attribute): Catch truncated section
for all powerpc attributes. Display long double ABI. Don't
capitalize words, except for names. Show known bits of tag values
when some unknown bits are present. Whitespace fixes.
gas/
* config/tc-ppc.c (ppc_elf_gnu_attribute): New function.
(md_pseudo_table <ELF>): Handle "gnu_attribute".
ld/
* testsuite/ld-powerpc/attr-gnu-4-4.s: Delete.
* testsuite/ld-powerpc/attr-gnu-4-14.d: Delete.
* testsuite/ld-powerpc/attr-gnu-4-24.d: Delete.
* testsuite/ld-powerpc/attr-gnu-4-34.d: Delete.
* testsuite/ld-powerpc/attr-gnu-4-41.d: Delete.
* testsuite/ld-powerpc/attr-gnu-4-32.d: Adjust expected warning.
* testsuite/ld-powerpc/attr-gnu-8-23.d: Likewise.
* testsuite/ld-powerpc/attr-gnu-4-01.d: Adjust expected output.
* testsuite/ld-powerpc/attr-gnu-4-02.d: Likewise.
* testsuite/ld-powerpc/attr-gnu-4-03.d: Likewise.
* testsuite/ld-powerpc/attr-gnu-4-10.d: Likewise.
* testsuite/ld-powerpc/attr-gnu-4-11.d: Likewise.
* testsuite/ld-powerpc/attr-gnu-4-20.d: Likewise.
* testsuite/ld-powerpc/attr-gnu-4-22.d: Likewise.
* testsuite/ld-powerpc/attr-gnu-4-33.d: Likewise.
* testsuite/ld-powerpc/attr-gnu-8-11.d: Likewise.
* testsuite/ld-powerpc/powerpc.exp: Don't run deleted tests.
get_coff_symbol_type had a potenial buffer overflow even with
untranslated messages.
* nm.c (get_elf_symbol_type): Don't use sprintf with translated
strings, use asprintf instead.
(get_coff_symbol_type): Likewise.
Symbol sorting means we can't assume that the last n symbols are
synthetic.
* nm.c (print_symbol): Remove is_synthetic param. Test sym->flags
instead.
(print_size_symbols, print_symbols): Adjust to suit, deleting
now unused synth_count param and fromsynth var.
(display_rel_file): Adjust, localizing synth_count.
Since the internal compression header size can be bigger than the
external compression header size, we should check the external
compression header size.
* readelf.c (load_specific_debug_section): Check the external
compression header size.
* readelf.c (process_symbol_table): Generate a warning if a local
symbol is found at and offste greater than or equal to the sh_info
field of it's section header.
PR binutils/20440
* dwarf.c (display_debug_lines_decoded): Add checks for running
off the end of the section when populating the directory table and
file table.
(frame_display_row): Set max_regs equal to ncols.
(load_specific_debug_section): If the section is compressed, but
it is not big enough to hold a compression header then warn and
return 0.
PR binutils/17512
* rescoff.c (read_coff_res_dir): Fix detection of buffer overrun.
* resbin.c (bin_to_res_version): Allow for the padded length of a
version block to be longer than the recorded length. Skip padding
bytes.
Some messing with plugin code in order to not need arelt_size in
ld code. File descriptor handling in ld/plugin.c is tidied too,
simply duping the open fd rather than opening the file again.
bfd/
* elflink.c: Include plugin-api.h.
* plugin.c (bfd_plugin_open_input): New function, extracted from..
(try_claim): ..here.
* plugin.h: Don't include bfd.h.
(bfd_plugin_open_input): Declare.
binutils/
* ar.c: Include plugin-api.h.
* nm.c: Likewise.
ld/
* plugin.c: Don't include libbfd.h. Include plugin-api.h
before bfd/plugin.h.
(plugin_object_p): Use bfd_plugin_open_input.
A rewrite of the code in bucomm.c supporting objdump -i, to use
bfd_iterate_over_targets rather than accessing bfd_target_vector
directly. Calculates widest arch string rather than using an
out of date constant. Stashes info from the first display of valid
target/arch combinations for use in second tabular display.
binutils/
* bucomm.c: Don't include libbfd.h.
(endian_string, display_target_list): Delete forward declaration.
(display_info_table, display_target_tables): Likewise.
(LONGEST_ARCH): Delete.
(struct display_target): New.
(do_display_target): New function.
(display_target_list, display_info): Rewrite functions.
(display_info_table): Delete.
(do_info_size, do_info_header, do_info_row): New functions.
Fix od-macho.c to use a leb128 function from binutils/dwarf.c rather
than one from bfd/libbfd.c.
binutils/
* elfcomm.h (HOST_WIDEST_INT): Move to..
* sysdep.h: ..here.
* od-macho.c: Don't include libbfd.h. Do include dwarf.h
(dump_dyld_info_rebase): Use read_leb128 rather than
read_unsigned_leb128.
(dump_dyld_info_bind, dump_dyld_info_export_1): Likewise.
(dump_segment_split_info): Likewise.
(dump_dyld_info): Rename vars to avoid shadowing dwarf.h enums.
(dump_load_command): Likewise.
Fixes failures on alpha, ia64, mcore, metag, moxie, and pj due to lack
of 16-bit relocs.
* testsuite/binutils-all/remove-relocs-01.s: Use .dc.a, not .word.
The objcopy and strip tools make use of the bfd library to manipulate
the state of the input file (to produce an output file). Within the
input file (for ELF at least), relocations are held within a section,
and so, if the user wanted to remove the relocations, but keep the
section to which the relocations would have been applied, it is tempting
to think that specifying the name of a relocation section to objcopy's
--remove-section option might do what you want, for example:
objcopy --remove-section=.rela.text input.elf output.elf
However, this does not work. The reason is that when the input file is
loaded, relocations are not managed as sections, but are, instead,
loaded as data associated with the section to which the relocations
would be applied. In our example above the relocations in '.rela.text'
are held as data on the section '.text' once 'input.elf' is loaded.
One task that objcopy and strip do is copy the relocations from the
input file to the output file if the section is also being copied from
the input file to the output file.
This commit adds a new command line option for objcopy and strip,
--remove-relocations, which can be used to remove the relocations, while
keeping the section that the relocations would have been applied to, for
example:
objcopy --remove-relocations=.text input.elf output.elf
in this case the section '.text' will appear in both 'input.elf' and
'output.elf', but any relocations in 'input.elf' that apply to '.text'
will not be present in 'output.elf'.
I have also added a special case to the handling of --remove-section
that spots if a user tries to remove a relocation section (currently
this is done by spotting the '.rela.' or '.rel.' prefix) and forwards
the request to --remove-relocations.
As with --remove-section and --only-section the --remove-relocations
option supports the '!' prefix on the section-patterns it takes to allow
for sections to be specifically not matched.
There are tests for all the new functionality.
binutils/ChangeLog:
* doc/binutils.texi (objcopy): Document 'remove-relocations'.
(strip): Likewise.
* objcopy.c (SECTION_CONTEXT_REMOVE_RELOCS): Define.
(enum command_line_switch): Add 'OPTION_REMOVE_RELOCS'.
(struct option strip_options): Add 'remove-relocations'.
(struct option copy_options): Likewise.
(copy_usage): Likewise.
(strip_usage): Likewise.
(handle_remove_relocations_option): New function.
(discard_relocations): New function.
(handle_remove_section_option): New function.
(copy_relocations_in_section): Use discard_relocations.
(strip_main): Use handle_remove_section_option for
'remove-section', and handle 'remove-relocations' option.
(copy_main): Likewise.
* testsuite/binutils-all/objcopy.exp: Run new tests.
* testsuite/binutils-all/remove-relocs-01.d: New file.
* testsuite/binutils-all/remove-relocs-01.s: New file.
* testsuite/binutils-all/remove-relocs-02.d: New file.
* testsuite/binutils-all/remove-relocs-03.d: New file.
* testsuite/binutils-all/remove-relocs-04.d: New file.
* testsuite/binutils-all/remove-relocs-05.d: New file.
* testsuite/binutils-all/remove-relocs-06.d: New file.
For symbol matching, prefixing a pattern with '!' will indicate a
non-matching pattern, however, this is not the case for section
patterns. As a result it is not possible to say "apply this action to
all sections except ...".
With this commit the objcopy and strip tools now support '!' prefix for
section patterns, so we can say:
objcopy --remove-section="*" --remove-section="!.text*"
Which will remove all sections, except those matching the pattern
'.text*'.
binutils/ChangeLog:
* objcopy.c (find_section_list): Handle section patterns starting
with '!' being a non-matching pattern.
* doc/binutils.texi (objcopy): Give example of using '!' with
--remove-section and --only-section.
(strip): Give example of using '!' with --remove-section.
* testsuite/binutils-all/data-sections.s: New file.
* testsuite/binutils-all/only-section-01.d: New file.
* testsuite/binutils-all/remove-section-01.d: New file.
* testsuite/binutils-all/objcopy.exp: Run new tests.
* NEWS: Mention new feature.
binutils/
PR binutils/20337
* objdump.c (compare_symbols): For ELF, sort same value/type
symbols according to size.
ld/
* testsuite/ld-powerpc/elfv2exe.d: Update.
binutuils* prdbg.c (pr_enum_type): Use a buffer big enough to hold an
extremely large decimal value.
(pr_range_type): Likewise.
(pr_array_type): Likewise.
(pr_struct_field): Likewise.
(pr_class_baseclass): Likewise.
(pr_class_method_variant): Likewise.
(pr_tag_type): Likewise.
(pr_int_constant): Likewise.
(pr_typed_constant): Likewise.
(pr_variable): Likewise.
(pr_function_parameter): Likewise.
(pr_start_block): Likewise.
(pr_lineno): Likewise.
(pr_end_block): Likewise.
(tg_enum_type): Likewise.
(tg_int_constant): Likewise.
(tg_typed_constant): Likewise.
(tg_start_block): Likewise.
gas * macro.c (macro_expand_body): Use a buffer big enough to hold an
extremely large integer.
* testsuite/binutils-all/objcopy.exp
(objcopy_test_without_global_symbol): Expect this test to fail on
the AArch64 and ARM targets, since they preserve their mapping
symbols.
