diff options
author | Ian Lance Taylor <iant@google.com> | 2007-09-21 07:20:01 +0000 |
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committer | Ian Lance Taylor <iant@google.com> | 2007-09-21 07:20:01 +0000 |
commit | 7e1edb9089c4eec761d09d9bb0ce675eb0bcbc2b (patch) | |
tree | 8e9869d1fd6febfdfdc5e754ba12f36e899d9bb2 /gold/i386.cc | |
parent | be9d5a933eb75809b583dc29bc7deb7690954d12 (diff) | |
download | gdb-7e1edb9089c4eec761d09d9bb0ce675eb0bcbc2b.zip gdb-7e1edb9089c4eec761d09d9bb0ce675eb0bcbc2b.tar.gz gdb-7e1edb9089c4eec761d09d9bb0ce675eb0bcbc2b.tar.bz2 |
Add global parameters.
Diffstat (limited to 'gold/i386.cc')
-rw-r--r-- | gold/i386.cc | 138 |
1 files changed, 65 insertions, 73 deletions
diff --git a/gold/i386.cc b/gold/i386.cc index 6eb0b2c..8be178c 100644 --- a/gold/i386.cc +++ b/gold/i386.cc @@ -5,6 +5,7 @@ #include <cstring> #include "elfcpp.h" +#include "parameters.h" #include "reloc.h" #include "i386.h" #include "object.h" @@ -51,7 +52,7 @@ class Target_i386 : public Sized_target<32, false> // Finalize the sections. void - do_finalize_sections(const General_options*, Layout*); + do_finalize_sections(Layout*); // Relocate a section. void @@ -162,16 +163,15 @@ class Target_i386 : public Sized_target<32, false> // Adjust TLS relocation type based on the options and whether this // is a local symbol. static unsigned int - optimize_tls_reloc(const General_options*, bool is_final, int r_type); + optimize_tls_reloc(bool is_final, int r_type); // Get the GOT section, creating it if necessary. Output_data_got<32, false>* - got_section(const General_options*, Symbol_table*, Layout*); + got_section(Symbol_table*, Layout*); // Create a PLT entry for a global symbol. void - make_plt_entry(const General_options* options, Symbol_table*, - Layout*, Symbol*); + make_plt_entry(Symbol_table*, Layout*, Symbol*); // Get the PLT section. Output_data_plt_i386* @@ -226,14 +226,13 @@ const Target::Target_info Target_i386::i386_info = // Get the GOT section, creating it if necessary. Output_data_got<32, false>* -Target_i386::got_section(const General_options* options, Symbol_table* symtab, - Layout* layout) +Target_i386::got_section(Symbol_table* symtab, Layout* layout) { if (this->got_ == NULL) { - gold_assert(options != NULL && symtab != NULL && layout != NULL); + gold_assert(symtab != NULL && layout != NULL); - this->got_ = new Output_data_got<32, false>(options); + this->got_ = new Output_data_got<32, false>(); layout->add_output_section_data(".got", elfcpp::SHT_PROGBITS, elfcpp::SHF_ALLOC | elfcpp::SHF_WRITE, @@ -285,7 +284,7 @@ class Output_data_plt_i386 : public Output_section_data public: typedef Output_data_reloc<elfcpp::SHT_REL, true, 32, false> Reloc_section; - Output_data_plt_i386(Layout*, Output_data_space*, bool is_shared); + Output_data_plt_i386(Layout*, Output_data_space*); // Add an entry to the PLT. void @@ -331,8 +330,6 @@ class Output_data_plt_i386 : public Output_section_data Output_data_space* got_plt_; // The number of PLT entries. unsigned int count_; - // Whether we are generated a shared object. - bool is_shared_; }; // Create the PLT section. The ordinary .got section is an argument, @@ -340,9 +337,8 @@ class Output_data_plt_i386 : public Output_section_data // section just for PLT entries. Output_data_plt_i386::Output_data_plt_i386(Layout* layout, - Output_data_space* got_plt, - bool is_shared) - : Output_section_data(4), got_plt_(got_plt), is_shared_(is_shared) + Output_data_space* got_plt) + : Output_section_data(4), got_plt_(got_plt) { this->rel_ = new Reloc_section(); layout->add_output_section_data(".rel.plt", elfcpp::SHT_REL, @@ -454,7 +450,7 @@ Output_data_plt_i386::do_write(Output_file* of) elfcpp::Elf_types<32>::Elf_Addr plt_address = this->address(); elfcpp::Elf_types<32>::Elf_Addr got_address = this->got_plt_->address(); - if (this->is_shared_) + if (parameters->output_is_shared()) memcpy(pov, dyn_first_plt_entry, plt_entry_size); else { @@ -486,7 +482,7 @@ Output_data_plt_i386::do_write(Output_file* of) { // Set and adjust the PLT entry itself. - if (this->is_shared_) + if (parameters->output_is_shared()) { memcpy(pov, dyn_plt_entry, plt_entry_size); elfcpp::Swap_unaligned<32, false>::writeval(pov + 2, got_offset); @@ -517,8 +513,7 @@ Output_data_plt_i386::do_write(Output_file* of) // Create a PLT entry for a global symbol. void -Target_i386::make_plt_entry(const General_options* options, - Symbol_table* symtab, Layout* layout, Symbol* gsym) +Target_i386::make_plt_entry(Symbol_table* symtab, Layout* layout, Symbol* gsym) { if (gsym->has_plt_offset()) return; @@ -526,10 +521,9 @@ Target_i386::make_plt_entry(const General_options* options, if (this->plt_ == NULL) { // Create the GOT sections first. - this->got_section(options, symtab, layout); + this->got_section(symtab, layout); - this->plt_ = new Output_data_plt_i386(layout, this->got_plt_, - options->is_shared()); + this->plt_ = new Output_data_plt_i386(layout, this->got_plt_); layout->add_output_section_data(".plt", elfcpp::SHT_PROGBITS, (elfcpp::SHF_ALLOC | elfcpp::SHF_EXECINSTR), @@ -629,13 +623,11 @@ Target_i386::copy_reloc(const General_options* options, // known at link time. unsigned int -Target_i386::optimize_tls_reloc(const General_options* options, - bool is_final, - int r_type) +Target_i386::optimize_tls_reloc(bool is_final, int r_type) { // If we are generating a shared library, then we can't do anything // in the linker. - if (options->is_shared()) + if (parameters->output_is_shared()) return r_type; switch (r_type) @@ -686,7 +678,7 @@ Target_i386::optimize_tls_reloc(const General_options* options, // Scan a relocation for a local symbol. inline void -Target_i386::Scan::local(const General_options& options, +Target_i386::Scan::local(const General_options&, Symbol_table* symtab, Layout* layout, Target_i386* target, @@ -708,7 +700,7 @@ Target_i386::Scan::local(const General_options& options, case elfcpp::R_386_8: // FIXME: If we are generating a shared object we need to copy // this relocation into the object. - gold_assert(!options.is_shared()); + gold_assert(!parameters->output_is_shared()); break; case elfcpp::R_386_PC32: @@ -719,7 +711,7 @@ Target_i386::Scan::local(const General_options& options, case elfcpp::R_386_GOTOFF: case elfcpp::R_386_GOTPC: // We need a GOT section. - target->got_section(&options, symtab, layout); + target->got_section(symtab, layout); break; case elfcpp::R_386_COPY: @@ -746,31 +738,33 @@ Target_i386::Scan::local(const General_options& options, case elfcpp::R_386_TLS_LE_32: case elfcpp::R_386_TLS_GOTDESC: case elfcpp::R_386_TLS_DESC_CALL: - r_type = Target_i386::optimize_tls_reloc(&options, - !options.is_shared(), - r_type); - switch (r_type) - { - case elfcpp::R_386_TLS_LE: - case elfcpp::R_386_TLS_LE_32: - // FIXME: If generating a shared object, we need to copy - // this relocation into the object. - gold_assert(!options.is_shared()); - break; + { + bool output_is_executable = parameters->output_is_executable(); + r_type = Target_i386::optimize_tls_reloc(output_is_executable, + r_type); + switch (r_type) + { + case elfcpp::R_386_TLS_LE: + case elfcpp::R_386_TLS_LE_32: + // FIXME: If generating a shared object, we need to copy + // this relocation into the object. + gold_assert(output_is_executable); + break; - case elfcpp::R_386_TLS_IE: - case elfcpp::R_386_TLS_GOTIE: - case elfcpp::R_386_TLS_GD: - case elfcpp::R_386_TLS_LDM: - case elfcpp::R_386_TLS_LDO_32: - case elfcpp::R_386_TLS_IE_32: - case elfcpp::R_386_TLS_GOTDESC: - case elfcpp::R_386_TLS_DESC_CALL: - fprintf(stderr, - _("%s: %s: unsupported reloc %u against local symbol\n"), - program_name, object->name().c_str(), r_type); - break; - } + case elfcpp::R_386_TLS_IE: + case elfcpp::R_386_TLS_GOTIE: + case elfcpp::R_386_TLS_GD: + case elfcpp::R_386_TLS_LDM: + case elfcpp::R_386_TLS_LDO_32: + case elfcpp::R_386_TLS_IE_32: + case elfcpp::R_386_TLS_GOTDESC: + case elfcpp::R_386_TLS_DESC_CALL: + fprintf(stderr, + _("%s: %s: unsupported reloc %u against local symbol\n"), + program_name, object->name().c_str(), r_type); + break; + } + } break; case elfcpp::R_386_GOT32: @@ -822,7 +816,7 @@ Target_i386::Scan::global(const General_options& options, // copy this relocation into the object. If this symbol is // defined in a shared object, we may need to copy this // relocation in order to avoid a COPY relocation. - gold_assert(!options.is_shared()); + gold_assert(!parameters->output_is_shared()); if (gsym->is_from_dynobj()) { @@ -830,7 +824,7 @@ Target_i386::Scan::global(const General_options& options, // function, we make a PLT entry. Otherwise we need to // either generate a COPY reloc or copy this reloc. if (gsym->type() == elfcpp::STT_FUNC) - target->make_plt_entry(&options, symtab, layout, gsym); + target->make_plt_entry(symtab, layout, gsym); else target->copy_reloc(&options, symtab, layout, object, data_shndx, gsym, reloc); @@ -841,13 +835,12 @@ Target_i386::Scan::global(const General_options& options, case elfcpp::R_386_GOT32: { // The symbol requires a GOT entry. - Output_data_got<32, false>* got = target->got_section(&options, symtab, - layout); + Output_data_got<32, false>* got = target->got_section(symtab, layout); if (got->add_global(gsym)) { // If this symbol is not fully resolved, we need to add a // dynamic relocation for it. - if (!gsym->final_value_is_known(&options)) + if (!gsym->final_value_is_known()) { Reloc_section* rel_dyn = target->rel_dyn_section(layout); rel_dyn->add_global(gsym, elfcpp::R_386_GLOB_DAT, got, @@ -860,15 +853,15 @@ Target_i386::Scan::global(const General_options& options, case elfcpp::R_386_PLT32: // If the symbol is fully resolved, this is just a PC32 reloc. // Otherwise we need a PLT entry. - if (gsym->final_value_is_known(&options)) + if (gsym->final_value_is_known()) break; - target->make_plt_entry(&options, symtab, layout, gsym); + target->make_plt_entry(symtab, layout, gsym); break; case elfcpp::R_386_GOTOFF: case elfcpp::R_386_GOTPC: // We need a GOT section. - target->got_section(&options, symtab, layout); + target->got_section(symtab, layout); break; case elfcpp::R_386_COPY: @@ -896,15 +889,15 @@ Target_i386::Scan::global(const General_options& options, case elfcpp::R_386_TLS_GOTDESC: case elfcpp::R_386_TLS_DESC_CALL: { - const bool is_final = gsym->final_value_is_known(&options); - r_type = Target_i386::optimize_tls_reloc(&options, is_final, r_type); + const bool is_final = gsym->final_value_is_known(); + r_type = Target_i386::optimize_tls_reloc(is_final, r_type); switch (r_type) { case elfcpp::R_386_TLS_LE: case elfcpp::R_386_TLS_LE_32: // FIXME: If generating a shared object, we need to copy // this relocation into the object. - gold_assert(!options.is_shared()); + gold_assert(!parameters->output_is_shared()); break; case elfcpp::R_386_TLS_IE: @@ -983,8 +976,7 @@ Target_i386::scan_relocs(const General_options& options, // Finalize the sections. void -Target_i386::do_finalize_sections(const General_options* options, - Layout* layout) +Target_i386::do_finalize_sections(Layout* layout) { // Fill in some more dynamic tags. Output_data_dynamic* const odyn = layout->dynamic_data(); @@ -1010,7 +1002,7 @@ Target_i386::do_finalize_sections(const General_options* options, elfcpp::Elf_sizes<32>::rel_size); } - if (!options->is_shared()) + if (!parameters->output_is_shared()) { // The value of the DT_DEBUG tag is filled in by the dynamic // linker at run time, and used by the debugger. @@ -1106,7 +1098,7 @@ Target_i386::Relocate::relocate(const Relocate_info<32, false>* relinfo, case elfcpp::R_386_PLT32: gold_assert(gsym->has_plt_offset() - || gsym->final_value_is_known(relinfo->options)); + || gsym->final_value_is_known()); Relocate_functions<32, false>::pcrel32(view, object, psymval, address); break; @@ -1121,7 +1113,7 @@ Target_i386::Relocate::relocate(const Relocate_info<32, false>* relinfo, { elfcpp::Elf_types<32>::Elf_Addr value; value = (psymval->value(object, 0) - - target->got_section(NULL, NULL, NULL)->address()); + - target->got_section(NULL, NULL)->address()); Relocate_functions<32, false>::rel32(view, value); } break; @@ -1129,7 +1121,7 @@ Target_i386::Relocate::relocate(const Relocate_info<32, false>* relinfo, case elfcpp::R_386_GOTPC: { elfcpp::Elf_types<32>::Elf_Addr value; - value = target->got_section(NULL, NULL, NULL)->address(); + value = target->got_section(NULL, NULL)->address(); Relocate_functions<32, false>::pcrel32(view, value, address); } break; @@ -1211,10 +1203,10 @@ Target_i386::Relocate::relocate_tls(const Relocate_info<32, false>* relinfo, elfcpp::Elf_types<32>::Elf_Addr value = psymval->value(relinfo->object, 0); const bool is_final = (gsym == NULL - ? !relinfo->options->is_shared() - : gsym->final_value_is_known(relinfo->options)); + ? !parameters->output_is_shared() + : gsym->final_value_is_known()); const unsigned int opt_r_type = - Target_i386::optimize_tls_reloc(relinfo->options, is_final, r_type); + Target_i386::optimize_tls_reloc(is_final, r_type); switch (r_type) { case elfcpp::R_386_TLS_LE_32: |