Commit Graph

38 Commits

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
39d0cb0e83 * fileread.cc (File_read::find_view): Add byteshift and vshifted
parameters.  Update for new key type to views_.  Change all
	callers.
	(File_read::read): Adjust for byteshift in returned view.
	(File_read::add_view): New function, broken out of
	find_and_make_view.
	(File_read::make_view): New function, broken out of
	find_and_make_view.
	(File_read::find_or_make_view): Add offset and aligned
	parameters.  Rewrite accordingly.  Change all callers.
	(File_read::get_view): Add offset and aligned parameters.  Adjust
	for byteshift in return value.
	(File_read::get_lasting_view): Likewise.
	* fileread.h (class File_read): Update declarations.
	(class File_read::View): Add byteshift_ field.  Add byteshift to
	constructor.  Add byteshift method.
	* archive.h (Archive::clear_uncached_views): New function.
	(Archive::get_view): Add aligned parameter.  Change all callers.
	* object.h (Object::get_view): Add aligned parameter.  Change all
	callers.
	(Object::get_lasting_view): Likewise.

	* fileread.cc (File_read::release): Don't call clear_views if
	there are multiple objects.
	* fileread.h (File_read::clear_uncached_views): New function.
	* archive.cc (Add_archive_symbols::run): Call clear_uncached_views
	on the archive.
2008-04-02 20:58:21 +00:00
Ian Lance Taylor
9531704395 Increase maximum bucket size for dynamic hash tables. 2008-03-07 16:30:59 +00:00
Ian Lance Taylor
a8627968fb From Craig Silverstein: implement --hash-bucket-empty-fraction for real. 2008-03-07 16:27:33 +00:00
Ian Lance Taylor
7d1a9ebbf2 Remove gcc 3.2 compatibility hacks. 2008-02-29 19:19:17 +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
a5dc070655 From Craig Silverstein: rework handling of Script_options. 2008-02-26 22:48:08 +00:00
Ian Lance Taylor
caa9d5d919 Assignments in linker scripts override definitions from object files. 2008-02-13 01:20:38 +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
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
99f8facac9 From Cary Coutant: Fix handling of versioned symbols, add some tests. 2007-12-21 23:31:19 +00:00
Ian Lance Taylor
9bb53bf8b8 Avoid some warnings which showed up in 64-bit mode. 2007-12-19 01:18:41 +00:00
Ian Lance Taylor
8383303e0a Add section_size_type and section_offset_type, use them to replace a
lot of instances of off_t.
2007-12-18 00:48:04 +00:00
Ian Lance Taylor
a2b1aa12f7 From Craig Silverstein: Add support for --demangle. 2007-11-15 01:12:55 +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
730cdc88f7 Generate a complete exception frame header. Discard duplicate
exception frame information.
2007-11-09 07:00:15 +00:00
Ian Lance Taylor
a7a81c1d9d From Craig Silverstein: Handle a .so file in a .a file. 2007-11-07 00:45:05 +00:00
Ian Lance Taylor
35cdfc9a87 Add support for PT_GNU_STACK. 2007-10-23 05:05:48 +00:00
Ian Lance Taylor
46fe162319 Fix versions of copied symbols. 2007-10-22 23:08:22 +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
cfd73a4e26 Add an option for Stringpools to not copy strings. 2007-10-12 06:06:34 +00:00
Ian Lance Taylor
e2aacd2c75 Fix soname for library found in search path. 2007-10-09 17:46:15 +00:00
Ian Lance Taylor
f5c3f2256f From Craig Silverstein: avoid some signed/unsigned warnings from gcc 4.2. 2007-10-02 20:52:18 +00:00
Ian Lance Taylor
9025d29d14 Put size and endianness in parameters. 2007-09-26 07:01:35 +00:00
Ian Lance Taylor
9eb9fa57c2 Add cache parameter to get_view. Discard uncached views on unlock.
Fix bug this exposed in archive armap symbol name handling.
2007-09-25 17:50:26 +00:00
Ian Lance Taylor
6cb15b7f89 Add licensing text to every source file. 2007-09-22 21:02:10 +00:00
Ian Lance Taylor
7e1edb9089 Add global parameters. 2007-09-21 07:20:01 +00:00
Ian Lance Taylor
31365f57ae Don't try to find version definition index when creating an executable. 2007-09-12 00:30:59 +00:00
Ian Lance Taylor
92f0e169b4 Only create a version definition for a shared library. Set the
dynamic symbol index for a version definition when finalizing
versions.
2007-09-11 22:57:35 +00:00
Ian Lance Taylor
193a53d920 Add support for --enable-target to control which template
specializations we generate.
2007-09-04 20:00:53 +00:00
Ian Lance Taylor
008db82ec1 Don't emit symbols seen only in dynamic object, don't read duplicate
dynamic object.
2006-12-06 06:28:56 +00:00
Ian Lance Taylor
91da9340cc gcc 3.2.2 and 4.1.0 portability hacks. 2006-12-06 00:28:03 +00:00
Ian Lance Taylor
14b3174058 Generate version information. 2006-12-06 00:02:36 +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