Ian Lance Taylor
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
David S. Miller
7c41443585
elfcpp/
...
* elfcpp.h (DF_1_NOW, DF_1_GLOBAL, DF_1_GROUP,
DF_1_NODELETE, DF_1_LOADFLTR, DF_1_INITFIRST,
DF_1_NOOPEN, DF_1_ORIGIN, DF_1_DIRECT, DF_1_TRANS,
DF_1_INTERPOSE, DF_1_NODEFLIB, DF_1_NODUMP,
DF_1_CONLFAT): New enum constants.
gold/
* options.h (DEFINE_enable): New macro.
(new_dtags): New enable option.
(initfirst, interpose, loadfltr, nodefaultlib,
nodelete, nodlopen, nodump): New -z options.
* layout.cc (Layout:finish_dynamic_section): If new
dtags enabled, emit DT_RUNPATH. Also, emit a
DT_FLAGS_1 containing any specified -z flags.
2008-04-16 23:21:01 +00:00
Ian Lance Taylor
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
Ian Lance Taylor
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
Ian Lance Taylor
2fd322316e
* layout.cc (Layout::layout): If we see an input section with a
...
name that needs sorting, set the must_sort flag for the output
section.
(Layout::make_output_section): If the name of the output section
indicates that it might require sorting, set the may_sort flag.
* output.h (Output_section::may_sort_attached_input_sections): New
function.
(Output_section::set_may_sort_attached_input_sections): New
function.
(Output_section::must_sort_attached_input_sections): New
function.
(Output_section::set_must_sort_attached_input_sections): New
function.
(class Output_section): Declare Input_section_sort_entry. Define
Input_section_sort_compare. Declare
sort_attached_input_sections. Add new fields:
may_sort_attached_input_sections_,
must_sort_attached_input_sections_,
attached_input_sections_are_sorted_.
* output.cc (Output_section::Output_section): Initialize new
fields.
(Output_section::add_input_section): Add an entry to
input_sections_ if may_sort or must_sort are true.
(Output_section::set_final_data_size): Call
sort_attached_input_sections if necessary.
(Output_section::Input_section_sort_entry): Define new class.
(Output_section::Input_section_sort_compare::operator()): New
function.
(Output_section::sort_attached_input_sections): New function.
* configure.ac: Check whether the compiler supports constructor
priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
* testsuite/initpri1.c: New file.
* testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
CONSTRUCTOR_PRIORITY.
(initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
(initpri1_LDFLAGS): New variable.
* configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2008-03-28 22:42:34 +00:00
Ian Lance Taylor
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
Ian Lance Taylor
96a2b4e4bf
Make sure the start and size of the TLS segment are aligned.
2008-03-19 21:41:38 +00:00
Ian Lance Taylor
1650c4ff50
Combine read-only .eh_frame sections with read-write .eh_frame
...
sections.
2008-03-12 04:38:42 +00:00
Ian Lance Taylor
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
Ian Lance Taylor
13670ee669
Support --hash-style=gnu.
2008-03-06 00:15:04 +00:00
Ian Lance Taylor
ee1fe73e11
From Craig Silverstein: rework option handling to make it easier to
...
add a new option.
2008-03-04 23:10:38 +00:00
Ian Lance Taylor
7cc619c3b1
From Craig Silverstein: rename some option functions in preparation
...
for reworking option handling.
2008-03-04 18:21:43 +00:00
Ian Lance Taylor
7d1a9ebbf2
Remove gcc 3.2 compatibility hacks.
2008-02-29 19:19:17 +00:00
Ian Lance Taylor
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
Ian Lance Taylor
15cf077ef4
Put input sections with no flags in output sections with the same name.
2008-02-28 00:51:07 +00:00
Ian Lance Taylor
8851eccaec
From Craig Silverstein: Have Parameters point to General_options.
2008-02-28 00:18:24 +00:00
Ian Lance Taylor
7019cd2565
Implement -q/--emit-relocs.
2008-02-27 22:38:18 +00:00
Ian Lance Taylor
a5dc070655
From Craig Silverstein: rework handling of Script_options.
2008-02-26 22:48:08 +00:00
Ian Lance Taylor
45aa233bdc
From Craig Silverstein: rename option functions for future option
...
handling rewrite.
2008-02-26 21:45:30 +00:00
Ian Lance Taylor
756ac4a80d
Implement -Tdata and -Tbss.
2008-02-13 22:47:28 +00:00
Ian Lance Taylor
4e8fe71f6c
Set TEXTREL correctly when using a SECTIONS clause.
2008-02-12 00:24:00 +00:00
Ian Lance Taylor
bc644c6cfc
Add support for --format binary for input files.
2008-02-08 07:06:58 +00:00
Ian Lance Taylor
516cb3d01e
Support --oformat binary.
2008-02-07 07:33:46 +00:00
Ian Lance Taylor
88dd47ac00
Implement --just-symbols, including -R FILE. Fix symbol values when
...
doing a relocatable link.
2008-02-07 01:51:25 +00:00
Ian Lance Taylor
fbfba50887
Support creating empty output when there are no input objects.
2008-02-06 20:32:10 +00:00
Ian Lance Taylor
755ab8af10
Fix group signature handling for relocatable link, add bootstrap
...
relocatable test.
2008-02-06 19:32:32 +00:00
Ian Lance Taylor
6a74a71947
Initial -r support.
2008-02-06 08:13:50 +00:00
Ian Lance Taylor
1c4f3631bd
Implement PHDRS.
2008-02-04 22:54:31 +00:00
Ian Lance Taylor
3802b2dd6b
Implement SIZEOF_HEADERS, section constraints, other minor linker
...
script items.
2008-02-04 06:45:50 +00:00
Ian Lance Taylor
a445fddf82
Fully implement the SECTIONS clause.
2008-02-04 05:43:05 +00:00
Ian Lance Taylor
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
Ian Lance Taylor
55a934330a
Originally from Craig Silverstein, with changes: support using a
...
version script to force symbols to be local.
2008-01-24 00:15:00 +00:00
Ian Lance Taylor
14144f39e4
Don't include options.h in fileread.h. Remove General_options
...
reference from Output_file class.
2008-01-18 23:26:48 +00:00
Ian Lance Taylor
091244672e
From Andrew Chatham and Craig Silverstein: Add support for version
...
scripts.
2008-01-15 23:41:28 +00:00
Ian Lance Taylor
e5756efb6d
Support assignments and expressions in linker scripts.
2008-01-09 19:57:45 +00:00
Ian Lance Taylor
d391083d3c
Add support for -e and for ENTRY in linker scripts.
2008-01-06 00:47:10 +00:00
Ian Lance Taylor
fced7afdce
Add -h/-soname option.
2008-01-04 05:35:24 +00:00
Ian Lance Taylor
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
Ian Lance Taylor
a9a60db689
Speed up relocations against local symbols in merged sections.
2007-12-21 21:19:45 +00:00
Ian Lance Taylor
c0873094f5
Use string length when available when calling Stringpool. Compare
...
pointers first when looking up Stringpool entries.
2007-12-19 00:29:28 +00:00
Ian Lance Taylor
0205c1752c
Don't write unattached after_input sections twice.
2007-12-18 21:45:28 +00:00
Ian Lance Taylor
38c5e8b493
Print statistics about merge sections with --stats.
2007-12-18 21:24:10 +00:00
Ian Lance Taylor
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
Ian Lance Taylor
6d01333390
From Craig Silverstein: size hash tables to avoid resizing.
2007-12-14 05:24:17 +00:00
Ian Lance Taylor
535890bb64
From Cary Coutant: Set DF_STATIC_TLS as appropriate.
2007-12-11 23:30:52 +00:00
Ian Lance Taylor
6a41d30bc2
From Cary Coutant: Fix x86_64 TLS. Also set DT_TEXTREL as well as
...
DF_TEXTREL.
2007-12-07 23:26:51 +00:00
Ian Lance Taylor
4117d76827
Fix ehframe header handling for shared libraries.
2007-12-07 06:44:01 +00:00
Ian Lance Taylor
7bf1f8020f
From Cary Coutant: More support for generating shared libraries.
2007-12-06 05:55:50 +00:00
Ian Lance Taylor
ad8f37d1ba
Stringpool stats. Also make Symbol_table support functions inline.
2007-12-05 00:48:49 +00:00
Ian Lance Taylor
96803768f1
Compress all debug sections.
2007-12-01 06:34:12 +00:00