8825ac63ef
* object.cc (Sized_relobj::include_section_group): Adjust section
...
indexes read from group data. Build vector to pass to
layout_group.
* layout.cc (Layout::layout_group): Add flags and shndxes
parameters. Remove contents parameter. Change caller. Update
explicit instantiations.
* layout.h (class Layout): Update layout_group declaration.
* output.cc (Output_data_group::Output_data_group): Add flags and
input_shndxes parameters. Remove contents parameter. Change
caller.
(Output_data_group::do_write): Change input_sections_ to
input_shndxes_.
* output.h (class Output_data_group): Update constructor
declaration. Rename input_sections_ to input_shndxes_.
* testsuite/many_sections_test.cc: Add template.
2008-05-05 19:16:43 +00:00
e94cf12773
* layout.cc (Layout::include_section): Refactored check for debug
...
info section.
(Layout::add_comdat): Add new parameters. Change type
of signature parameter. Add object and shndx to signatures table.
(Layout::find_kept_object): New function.
* layout.h: Include <cstring>.
(Layout::is_debug_info_section): New function.
(Layout::add_comdat): Add new parameters.
(Layout::find_kept_object): New function.
(Layout::Kept_section): New struct.
(Layout::Signatures): Change type of map range.
* object.cc (Relobj::output_section_address): New function.
(Sized_relobj::include_section_group): Add new parameters. Change
calls to Layout::add_comdat. Change to build table of kept comdat
groups and table mapping discarded sections to kept sections.
(Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
(Sized_relobj::do_layout): Change calls to include_section_group and
include_linkonce_section.
(Sized_relobj::do_finalize_local_symbols): Do not set local symbol
value to zero when section is discarded.
(Sized_relobj::map_to_kept_section): New function.
* object.h (Relobj::output_section_address): New function.
(Relobj::Comdat_group): New type.
(Relobj::find_comdat_group): New function.
(Relobj::Comdat_group_table): New type.
(Relobj::Kept_comdat_section): New type.
(Relobj::Kept_comdat_section_table): New type.
(Relobj::add_comdat_group): New function.
(Relobj::set_kept_comdat_section): New function.
(Relobj::get_kept_comdat_section): New function.
(Relobj::comdat_groups_): New field.
(Relobj::kept_comdat_sections_): New field.
(Symbol_value::input_value): Update comment.
(Sized_relobj::map_to_kept_section) New function.
(Sized_relobj::include_linkonce_section): Add new parameter.
* target-reloc.h (Comdat_behavior): New type.
(get_comdat_behavior): New function.
(relocate_section): Add code to map a discarded section to the
corresponding kept section when applying a relocation.
2008-05-01 01:23:21 +00:00
d491d34e93
* object.cc (Xindex::initialize_symtab_xindex): New function.
...
(Xindex::read_symtab_xindex): New function.
(Xindex::sym_xindex_to_shndx): New function.
(Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
available.
(Sized_relobj::do_initialize_xindex): New function.
(Sized_relobj::do_read_symbols): Adjust section links.
(Sized_relobj::symbol_section_and_value): Add is_ordinary
parameter. Change all callers.
(Sized_relobj::include_section_group): Adjust section links and
symbol section indexes.
(Sized_relobj::do_layout): Adjust section links.
(Sized_relobj::do_count_local_symbols): Adjust section links and
symbol section indexes.
(Sized_relobj::do_finalize_local_symbols): Distinguish between
ordinary and special symbols.
(Sized_relobj::write_local_symbols): Add symtab_xindex and
dynsym_xindex parameters. Change all callers. Adjust section
links. Use SHN_XINDEX when needed.
(Sized_relobj::get_symbol_location_info): Adjust section links.
Don't get fooled by special symbols.
* object.h (class Xindex): Define.
(class Object): Add xindex_ parameter. Declare virtual functoin
do_initialize_xindex.
(Object::adjust_sym_shndx): New function.
(Object::set_xindex): New protected function.
(class Symbol_value): Add is_ordinary_shndx_ field.
(Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
(Symbol_value::value): Assert ordinary section.
(Symbol_value::initialize_input_to_output_map): Likewise.
(Symbol_value::set_input_shndx): Add is_ordinary parameter.
Change all callers.
(Symbol_value::input_shndx): Add is_ordinary parameter. Change
all callers.
(class Sized_relobj): Update declarations.
(Sized_relobj::local_symbol_input_shndx): Add is_ordinary
parameter. Change all callers.
(Sized_relobj::adjust_shndx): New function.
* dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
field.
(Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
(Sized_dynobj::read_dynsym_section): Adjust section links.
(Sized_dynobj::read_dynamic): Likewise.
(Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
section links.
(Sized_dynobj::do_initialize_xindex): New function.
* dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
do_initialize_xindex.
(Sized_dynobj::adjust_shndx): New function.
* layout.cc (Layout::Layout): Initialize symtab_xindex_ and
dynsym_xindex_ fields.
(Layout::finalize): Add a call to set_section_indexes before
creating the symtab sections.
(Layout::set_section_indexes): Don't do anything if the section
already has a section index.
(Layout::create_symtab_sections): Add shnum parameter. Change
caller. Create .symtab_shndx section if needed.
(Layout::create_shdrs): Add shstrtab_section parameter. Change
caller.
(Layout::allocated_output_section_count): New function.
(Layout::create_dynamic_symtab): Create .dynsym_shndx section if
needed.
* layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
fields. Update declarations.
(Layout::symtab_xindex): New function.
(Layout::dynsym_xindex): New function.
(class Write_symbols_task): Add layout_ field.
(Write_symbols_task::Write_symbols_task): Add layout parameter.
Change caller.
* output.cc (Output_section_headers::Output_section_headers): Add
shstrtab_section parameter. Change all callers.
(Output_section_headers::do_sized_write): Store overflow values
for section count and section string table section index in
section header zero.
(Output_file_header::do_sized_write): Check for overflow of
section count and section string table section index.
(Output_symtab_xindex::do_write): New function.
(Output_symtab_xindex::endian_do_write): New function.
* output.h (class Output_section_headers): Add shstrtab_section_.
Update declarations.
(class Output_symtab_xindex): Define.
(Output_section::has_out_shndx): New function.
* symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
field.
(Symbol::init_base): Add st_shndx and is_ordinary parameters.
Change all callers.
(Sized_symbol::init): Likewise.
(Symbol::output_section): Check for ordinary symbol.
(Symbol_table::add_from_object): Remove orig_sym parameter. Add
st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
callers.
(Symbol_table::add_from_relobj): Add symndx_offset parameter.
Change all callers. Simplify handling of symbols from sections
not included in the link.
(Symbol_table::add_from_dynobj): Handle ordinary symbol
distinction.
(Weak_alias_sorter::operator()): Assert that symbols are
ordinary.
(Symbol_table::sized_finalize_symbol): Handle ordinary symbol
distinction.
(Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
parameters. Change all callers.
(Symbol_table::sized_write_globals): Likewise. Handle ordinary
symbol distinction. Use SHN_XINDEX when needed.
(Symbol_table::write_section_symbol): Add symtab_xindex
parameter. Change all callers.
(Symbol_table::sized_write_section_symbol): Likewise. Use
SHN_XINDEX when needed.
* symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
declarations.
(Symbol::shndx): Add is_ordinary parameter. Change all callers.
(Symbol::is_defined): Check is_ordinary.
(Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
(Symbol::is_absolute, Symbol::is_common): Likewise.
(class Sized_symbol): Update declarations.
(class Symbol_table): Update declarations.
* resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
parameters. Change all callers.
(Sized_symbol::override): Likewise.
(Symbol_table::override): Likewise.
(symbol_to_bits): Add is_ordinary parameter. Change all callers.
(Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
is_ordinary, and orig_st_shndx parameters. Change all callers.
* copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
to be in an ordinary section.
* dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
object and is_ordinary parameters. Change all callers.
(Sized_dwarf_line_info::read_relocs): Add object parameter.
Change all callers. Don't add undefined or non-ordinary symbols
to reloc_map_.
(Sized_dwarf_line_info::read_line_mappings): Add object parameter.
Change all callers.
* dwarf_reader.h (class Sized_dwarf_line_info): Update
declarations.
* ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
* reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
(Sized_relobj::relocate_sections): Likewise.
* target-reloc.h (scan_relocs): Adjust section symbol index.
(scan_relocatable_relocs): Likewise.
* i386.cc (Scan::local): Check for ordinary symbols.
* sparc.cc (Scan::local): Likewise.
* x86_64.cc (Scan::local): Likewise.
* testsuite/binary_unittest.cc (Sized_binary_test): Update calls
to symbol_section_and_value.
* testsuite/many_sections_test.cc: New file.
* testsuite/Makefile.am (BUILT_SOURCES): Define.
(check_PROGRAMS): Add many_sections_test.
(many_sections_test_SOURCES): Define.
(many_sections_test_DEPENDENCIES): Define.
(many_sections_test_LDFLAGS): Define.
(BUILT_SOURCES): Add many_sections_define.h.
(many_sections_define.h): New target.
(BUILT_SOURCES): Add many_sections_check.h.
(many_sections_check.h): New target.
(check_PROGRAMS): Add many_sections_r_test.
(many_sections_r_test_SOURCES): Define.
(many_sections_r_test_DEPENDENCIES): Define.
(many_sections_r_test_LDFLAGS): Define.
(many_sections_r_test_LDADD): Define.
(many_sections_r_test.o): New target.
* testsuite/Makefile.in: Rebuild.
2008-04-19 18:30:58 +00:00
154e0e9aa7
* layout.cc (Layout::Layout): Initialize sections_are_attached_.
...
(Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
in the name/type/flags to section mapping. Don't call
allocate_output_section.
(Layout::choose_output_section): Change parameter from adjust_name
to is_input_section. Don't permit input sections after sections
are attached to segments. Don't call allocate_output_section.
(Layout::layout_eh_frame): Call update_flags_for_input_section,
not write_enable_output_section.
(Layout::make_output_section): Don't push to
unattached_section_list_ nor call attach_to_segment. Call
attach_section_to_segment if sections are attached.
(Layout::attach_sections_to_segments): New function.
(Layout::attach_section_to_segment): New function.
(Layout::attach_allocated_section_to_segment): Rename from
attach_to_segment. Remove flags parameter.
(Layout::allocate_output_section): Remove function.
(Layout::write_enable_output_section): Remove function.
* layout.h (class Layout): Update for above changes. Add new
field sections_are_attached_.
* output.h (Output_section::update_flags_for_input_section): New
function.
* output.cc (Output_section::add_input_section): Call
update_flags_for_input_section.
* gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
2008-04-15 04:06:41 +00:00
2c38906f72
* layout.h (class Layout): Add added_eh_frame_data_ field.
...
* layout.cc (Layout::Layout): Initialize new field.
(Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
output section until we find a section we merged successfully.
* object.cc (Sized_relobj::check_eh_frame_flags): Don't require
that the size be non-zero.
2008-04-09 00:26:48 +00:00
8ed814a99c
* options.h (class General_options): Define build_id option.
...
* layout.h (class Layout): Declare write_build_id, create_note,
create_build_id. Add build_id_note_ member.
* layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
"libiberty.h", "md5.h", "sha1.h".
(Layout::Layout): Initialize eh_frame_data_,
eh_frame_hdr_section_, and build_id_note_.
(Layout::finalize): Call create_build_id.
(Layout::create_note): New function, broken out of
Layout::create_gold_note.
(Layout::create_gold_note): Call create_note.
(Layout::create_build_id): New function.
(Layout::write_build_id): New function.
(Close_task_runner::run): Call write_build_id.
2008-03-25 05:11:41 +00:00
1650c4ff50
Combine read-only .eh_frame sections with read-write .eh_frame
...
sections.
2008-03-12 04:38:42 +00:00
4e2b16973e
If we a section with no flags followed by a section with the same name
...
with flags, put them in the same output section.
2008-03-11 16:50:08 +00:00
7d1a9ebbf2
Remove gcc 3.2 compatibility hacks.
2008-02-29 19:19:17 +00:00
919ed24cbc
Don't check assertions until symbols are finalized. Create an output
...
section if the script uses a data statement with no input sections.
Don't create a loadable segment for the headers if there is no room.
2008-02-28 04:45:47 +00:00
8851eccaec
From Craig Silverstein: Have Parameters point to General_options.
2008-02-28 00:18:24 +00:00
516cb3d01e
Support --oformat binary.
2008-02-07 07:33:46 +00:00
755ab8af10
Fix group signature handling for relocatable link, add bootstrap
...
relocatable test.
2008-02-06 19:32:32 +00:00
6a74a71947
Initial -r support.
2008-02-06 08:13:50 +00:00
3802b2dd6b
Implement SIZEOF_HEADERS, section constraints, other minor linker
...
script items.
2008-02-04 06:45:50 +00:00
a445fddf82
Fully implement the SECTIONS clause.
2008-02-04 05:43:05 +00:00
9b07f471e3
Don't pass around the target in order to define symbols; get it from
...
the parameters instead.
2008-01-26 01:17:45 +00:00
e5756efb6d
Support assignments and expressions in linker scripts.
2008-01-09 19:57:45 +00:00
d391083d3c
Add support for -e and for ENTRY in linker scripts.
2008-01-06 00:47:10 +00:00
cb29561284
Reduce the number of system calls. Use readv instead of pread. Do
...
better handling of cached views.
2008-01-02 23:48:49 +00:00
17a1d0a9b2
Rewrite workqueue. This version eliminates the master thread, and
...
reduces the amount of locking required to find a new thread to run.
2007-12-14 19:00:21 +00:00
535890bb64
From Cary Coutant: Set DF_STATIC_TLS as appropriate.
2007-12-11 23:30:52 +00:00
7bf1f8020f
From Cary Coutant: More support for generating shared libraries.
2007-12-06 05:55:50 +00:00
ad8f37d1ba
Stringpool stats. Also make Symbol_table support functions inline.
2007-12-05 00:48:49 +00:00
96803768f1
Compress all debug sections.
2007-12-01 06:34:12 +00:00
9a0910c33e
From Craig Silverstein: Add support for compressing .debug_str section.
2007-11-30 00:35:27 +00:00
27bc2bce09
Clean up setting address and section offset.
2007-11-29 20:10:17 +00:00
c79126688f
Add threading support.
2007-11-22 00:05:51 +00:00
4f4c5f80c7
From Cary Coutant: Count textrel with output sections rather than
...
setting a flag as we add each reloc in the target code.
2007-11-15 23:46:46 +00:00
07f397aba3
From Cary Coutant: Improve i386 shared library TLS support.
2007-11-14 22:31:02 +00:00
9a2d698415
Add heuristics for undefined symbol warnings.
2007-11-14 16:53:25 +00:00
730cdc88f7
Generate a complete exception frame header. Discard duplicate
...
exception frame information.
2007-11-09 07:00:15 +00:00
868870607e
From Craig Silverstein and Cary Coutant: fix assignment of section
...
indexes to sections which are not associated with segments.
2007-11-07 22:33:30 +00:00
dba5a01fdc
From Cary Coutant: Set offsets of sections with data before finalizing
...
local symbols.
2007-10-27 00:36:52 +00:00
35cdfc9a87
Add support for PT_GNU_STACK.
2007-10-23 05:05:48 +00:00
46fe162319
Fix versions of copied symbols.
2007-10-22 23:08:22 +00:00
e44fcf3bcf
Add --stats option to print runtime and memory usage statistics.
2007-10-12 05:51:25 +00:00
4f211c8bff
Create a note section with the version of gold.
2007-10-09 21:37:55 +00:00
9025d29d14
Put size and endianness in parameters.
2007-09-26 07:01:35 +00:00
3151305a47
Add basic exception frame header, plus test.
2007-09-26 05:44:38 +00:00
6cb15b7f89
Add licensing text to every source file.
2007-09-22 21:02:10 +00:00
bfd58944a6
Define __start and __stop symbols.
2007-09-22 04:42:09 +00:00
91da9340cc
gcc 3.2.2 and 4.1.0 portability hacks.
2006-12-06 00:28:03 +00:00
14b3174058
Generate version information.
2006-12-06 00:02:36 +00:00
16649710df
Can now dynamically link hello, world.
2006-12-01 16:51:25 +00:00
a3ad94edd4
Hash tables, dynamic section, i386 PLT, gold_assert.
2006-11-29 17:56:40 +00:00
dbe717effb
More dynamic object support, initial scripting support.
2006-11-14 19:21:05 +00:00
f0641a0b38
Rework stringpool and hash tables so that we always generate the same
...
output regardless of randomize_va_space.
2006-11-07 04:40:46 +00:00
f6ce93d6e9
Split Object into Dynobj and Relobj, incorporate elfcpp swapping changes.
2006-11-06 22:46:08 +00:00
ead1e4244a
Can now do a full static link of hello, world in C or C++
2006-11-03 18:26:11 +00:00
Ian Lance Taylor
Cary Coutant
Ian Lance Taylor