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authorIan Lance Taylor <ian@airs.com>2008-04-19 18:30:58 +0000
committerIan Lance Taylor <ian@airs.com>2008-04-19 18:30:58 +0000
commitd491d34e930046f820def9d3d67a2491df8a2198 (patch)
tree7e955be0ab4ec83f4711c309a6dcf130f341da99 /gold/reloc.cc
parent8e91f0232ca9c286299092c896288b8657c9311b (diff)
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* 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.
Diffstat (limited to 'gold/reloc.cc')
-rw-r--r--gold/reloc.cc15
1 files changed, 8 insertions, 7 deletions
diff --git a/gold/reloc.cc b/gold/reloc.cc
index 99a736b..b44dd72 100644
--- a/gold/reloc.cc
+++ b/gold/reloc.cc
@@ -208,7 +208,7 @@ Sized_relobj<size, big_endian>::do_read_relocs(Read_relocs_data* rd)
if (sh_type != elfcpp::SHT_REL && sh_type != elfcpp::SHT_RELA)
continue;
- unsigned int shndx = shdr.get_sh_info();
+ unsigned int shndx = this->adjust_shndx(shdr.get_sh_info());
if (shndx >= shnum)
{
this->error(_("relocation section %u has bad info %u"),
@@ -233,11 +233,11 @@ Sized_relobj<size, big_endian>::do_read_relocs(Read_relocs_data* rd)
&& !parameters->options().emit_relocs())
continue;
- if (shdr.get_sh_link() != this->symtab_shndx_)
+ if (this->adjust_shndx(shdr.get_sh_link()) != this->symtab_shndx_)
{
this->error(_("relocation section %u uses unexpected "
"symbol table %u"),
- i, shdr.get_sh_link());
+ i, this->adjust_shndx(shdr.get_sh_link()));
continue;
}
@@ -507,7 +507,8 @@ Sized_relobj<size, big_endian>::do_relocate(const General_options& options,
}
// Write out the local symbols.
- this->write_local_symbols(of, layout->sympool(), layout->dynpool());
+ this->write_local_symbols(of, layout->sympool(), layout->dynpool(),
+ layout->symtab_xindex(), layout->dynsym_xindex());
// We should no longer need the local symbol values.
this->clear_local_symbols();
@@ -714,7 +715,7 @@ Sized_relobj<size, big_endian>::relocate_sections(
if (sh_type != elfcpp::SHT_REL && sh_type != elfcpp::SHT_RELA)
continue;
- unsigned int index = shdr.get_sh_info();
+ unsigned int index = this->adjust_shndx(shdr.get_sh_info());
if (index >= this->shnum())
{
this->error(_("relocation section %u has bad info %u"),
@@ -735,11 +736,11 @@ Sized_relobj<size, big_endian>::relocate_sections(
if (parameters->options().relocatable())
gold_assert((*pviews)[i].view != NULL);
- if (shdr.get_sh_link() != this->symtab_shndx_)
+ if (this->adjust_shndx(shdr.get_sh_link()) != this->symtab_shndx_)
{
gold_error(_("relocation section %u uses unexpected "
"symbol table %u"),
- i, shdr.get_sh_link());
+ i, this->adjust_shndx(shdr.get_sh_link()));
continue;
}