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Author SHA1 Message Date
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
Ian Lance Taylor
155a0dd763 * common.cc (Symbol_table::allocate_commons): Remove options 
parameter.  Change caller.
	(Symbol_table::do_allocate_commons): Remove options parameter.
	Change caller.  Just call do_allocate_commons_list twice.
	(Symbol_table::do_allocate_commons_list): New function, broken out
	of do_allocate_commons.
	* common.h (class Allocate_commons_task): Remove options_ field.
	Update constructor.
	* symtab.cc (Symbol_table::Symbol_table): Initialize
	tls_commons_.
	(Symbol_table::add_from_object): Put TLS common symbols on
	tls_commons_ list.
	(Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
	which are IN_OUTPUT_DATA.
	* symtab.h (class Symbol_table): Add tls_commons_ field.  Update
	allocate_commons and do_allocate_commons declarations.  Declare
	do_allocate_commons_list.
	* gold.cc (queue_middle_tasks): Update creation of
	Allocate_commons_task to not pass options.
	* testsuite/Makefile.am (INCLUDES): Add -I.. .
	(TLS_TEST_C_FLAGS): New variable.
	(tls_test_c_pic.o): New target.
	(tls_test_shared.so): Link in tls_test_c_pic.o.
	(tls_test_c_pic_ie.o): New target.
	(tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
	(tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
	(tls_test_c.o): New target.
	(tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
	(tls_pic_test_LDADD): Likewise.
	(tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
	(tls_shared_gd_to_ie_test_LDADD): Likewise.
	(tls_test_c_gnu2.o): New target.
	(tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
	tls_test_c_gnu2.o.
	(tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
	(tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
	(tls_test_shared_nonpic.so): Link in tls_test_c.o.
	* testsuite/tls_test.cc: Include "config.h".
	(t_last): Call t11_last.
	* testsuite/tls_test.h (t11, t11_last): Declare.
	* testsuite/tls_test_c.c: New file.
	* testsuite/tls_test_main.cc (thread_routine): Call t11.
	* configure.ac: Check for OpenMP support.
	* configure, config.in, Makefile.in: Rebuild.
	* testsuite/Makefile.in: Rebuild.
 2008-04-17 07:12:00 +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
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
0dfbdef4c4 Support -d/--define-common. 2008-02-28 20:35:39 +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
8851eccaec From Craig Silverstein: Have Parameters point to General_options. 2008-02-28 00:18:24 +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
0daa6f62c8 Support selecting target by name. 2008-02-13 02:44:50 +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
5fe2a0f55b Even when stripping all symbols, we need to write out the dynamic 
symbol table.
 2008-02-07 04:35:41 +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
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
494e05f440 Parse a SECTIONS clause in a linker script. 2008-01-23 01:31:13 +00:00
Ian Lance Taylor
e5756efb6d Support assignments and expressions in linker scripts. 2008-01-09 19:57:45 +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
116724f39d Don't write out the symbol table when stripping. 2007-12-06 05:00:00 +00:00
Ian Lance Taylor
27bc2bce09 Clean up setting address and section offset. 2007-11-29 20:10:17 +00:00
Ian Lance Taylor
2d6840917d Don't try to delete the output file if we don't know its name yet. 2007-11-28 19:39:40 +00:00
Ian Lance Taylor
c79126688f Add threading support. 2007-11-22 00:05:51 +00:00
Ian Lance Taylor
78f156961e From Craig Silverstein: Report output file name with ODR violation 
warning message.
 2007-11-14 18:44:58 +00:00
Ian Lance Taylor
9a2d698415 Add heuristics for undefined symbol warnings. 2007-11-14 16:53:25 +00:00
Ian Lance Taylor
e2827e5f52 Warn about undefined references in shared libraries if we have seen 
all the DT_NEEDED entries for that library.
 2007-11-14 07:34:53 +00:00
Ian Lance Taylor
70e654ba48 From Craig Silverstein: First cut at detecting ODR violations. 2007-11-13 20:02:32 +00:00
Ian Lance Taylor
730cdc88f7 Generate a complete exception frame header. Discard duplicate 
exception frame information.
 2007-11-09 07:00:15 +00:00
Ian Lance Taylor
e536689126 Simplify some code to avoid extra tests of number of objects. 2007-10-26 22:27:52 +00:00
Ian Lance Taylor
2c0aeda459 Exit if we couldn't open any input files. 2007-10-26 22:12:03 +00:00
Ian Lance Taylor
fe9a4c1201 Add infrastructure for threading support. 2007-10-17 06:24:50 +00:00
Ian Lance Taylor
436ca963fd From Cary Coutant: preliminary shared library support. 2007-10-16 23:23:08 +00:00
Ian Lance Taylor
75f2446ec3 Run all error handling through an Errors object. Delete output file 
on error.
 2007-10-14 06:49:14 +00:00
Ian Lance Taylor
27b7985a73 From Craig Silverstein: add some internationalization calls. 2007-10-14 04:06:18 +00:00
Ian Lance Taylor
4eff2974c2 From Craig Silverstein: error if we see a dynamic object when the 
-static option was given.
 2007-10-14 02:52:13 +00:00
Ian Lance Taylor
b3b74ddc6e Use parameters to track whether we are doing a static link. Fix up 
final_value_is_known for weak undefined symbols.  Pointed out by Cary
Coutant.
 2007-09-28 06:36:25 +00:00
Ian Lance Taylor
9025d29d14 Put size and endianness in parameters. 2007-09-26 07:01:35 +00:00
Ian Lance Taylor
6cb15b7f89 Add licensing text to every source file. 2007-09-22 21:02:10 +00:00
Ian Lance Taylor
bfd58944a6 Define __start and __stop symbols. 2007-09-22 04:42:09 +00:00
Ian Lance Taylor
16649710df Can now dynamically link hello, world. 2006-12-01 16:51:25 +00:00
Ian Lance Taylor
5a6f7e2db5 Added a testsuite. More support for COPY relocations. 2006-11-30 23:52:50 +00:00
Ian Lance Taylor
a3ad94edd4 Hash tables, dynamic section, i386 PLT, gold_assert. 2006-11-29 17:56:40 +00:00
Ian Lance Taylor
dbe717effb More dynamic object support, initial scripting support. 2006-11-14 19:21:05 +00:00
Ian Lance Taylor
f6ce93d6e9 Split Object into Dynobj and Relobj, incorporate elfcpp swapping changes. 2006-11-06 22:46:08 +00:00
Ian Lance Taylor
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
92e059d8dc Framework for relocation scanning. Implement simple static TLS 
relocations.
 2006-10-20 20:40:49 +00:00
Ian Lance Taylor
12e14209f0 Lay out object file sections when we add the symbols to the symbol 
table.
 2006-10-06 20:40:16 +00:00
Ian Lance Taylor
61ba1cf936 Snapshot. Now able to produce a minimal executable which actually 
runs.
 2006-09-29 19:58:17 +00:00
Ian Lance Taylor
75f65a3e30 Finished layout code. 2006-09-27 22:53:42 +00:00
Ian Lance Taylor
54dc642545 More section layout code. 2006-09-26 21:00:34 +00:00
Ian Lance Taylor
a2fb1b05e4 New drop, with first cut of section layout code. 2006-09-21 22:13:18 +00:00
Ian Lance Taylor
14bfc3f555 Another snapshot of the current state of the sources. Gets to the 
point of symbol resolution and can now issue a multiple definition
error.  Also added target selection infrastructure.
 2006-08-18 22:29:20 +00:00
Ian Lance Taylor
bae7f79e03 Initial CVS checkin of gold 2006-08-04 23:10:59 +00:00