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2009-12-03 Doug Kwan <dougkwan@google.com>
* arm.cc: Remove comment about missing .ARM.exidx section symbols. (Target_arm::do_finalize_sections): Add parameter for symbol table pointer. Add __exidx_start and __exidx_end symbols as appropriate. * i386.cc (Target_i386::do_finalize_sections): Add an additional parameter for symbol table pointer. * layout.cc (Layout::finalize): Call Target::finalize_sections with an additional parameter for a pointer to symbol table. * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional parameter for a symbol table pointer. * sparc.cc (Target_sparc::do_finalize_sections): Ditto. * target.h (Target::finalize_sections, Target::do_finalize_sections): Ditto. * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional parameter for a symbol table pointer.
This commit is contained in:
Doug Kwan
parent
6bfd70b9fd
commit
f59f41f3e6
@ -1,3 +1,20 @@
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2009-12-03 Doug Kwan <dougkwan@google.com>
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* arm.cc: Remove comment about missing .ARM.exidx section symbols.
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(Target_arm::do_finalize_sections): Add parameter for symbol table
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pointer. Add __exidx_start and __exidx_end symbols as appropriate.
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* i386.cc (Target_i386::do_finalize_sections): Add an additional
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parameter for symbol table pointer.
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* layout.cc (Layout::finalize): Call Target::finalize_sections with
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an additional parameter for a pointer to symbol table.
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* powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
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parameter for a symbol table pointer.
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* sparc.cc (Target_sparc::do_finalize_sections): Ditto.
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* target.h (Target::finalize_sections, Target::do_finalize_sections):
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Ditto.
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* x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
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parameter for a symbol table pointer.
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2009-12-03 Rafael Avila de Espindola <espindola@google.com>
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* incremental.cc (Incremental_inputs_header)
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29
gold/arm.cc
29
gold/arm.cc
@ -123,7 +123,6 @@ const int32_t THM2_MAX_BWD_BRANCH_OFFSET = (-(1 << 24) + 4);
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// TODOs:
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// - Generate various branch stubs.
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// - Support interworking.
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// - Define section symbols __exidx_start and __exidx_stop.
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// - Support more relocation types as needed.
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// - Make PLTs more flexible for different architecture features like
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// Thumb-2 and BE8.
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@ -1234,7 +1233,7 @@ class Target_arm : public Sized_target<32, big_endian>
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// Finalize the sections.
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void
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do_finalize_sections(Layout*, const Input_objects*);
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do_finalize_sections(Layout*, const Input_objects*, Symbol_table*);
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// Return the value to use for a dynamic symbol which requires special
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// treatment.
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@ -4560,7 +4559,8 @@ template<bool big_endian>
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void
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Target_arm<big_endian>::do_finalize_sections(
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Layout* layout,
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const Input_objects* input_objects)
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const Input_objects* input_objects,
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Symbol_table* symtab)
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{
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// Merge processor-specific flags.
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for (Input_objects::Relobj_iterator p = input_objects->relobj_begin();
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@ -4625,16 +4625,25 @@ Target_arm<big_endian>::do_finalize_sections(
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if (this->copy_relocs_.any_saved_relocs())
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this->copy_relocs_.emit(this->rel_dyn_section(layout));
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// For the ARM target, we need to add a PT_ARM_EXIDX segment for
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// the .ARM.exidx section.
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if (!layout->script_options()->saw_phdrs_clause()
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// Handle the .ARM.exidx section.
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Output_section* exidx_section = layout->find_output_section(".ARM.exidx");
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if (exidx_section != NULL
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&& exidx_section->type() == elfcpp::SHT_ARM_EXIDX
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&& !parameters->options().relocatable())
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{
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Output_section* exidx_section =
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layout->find_output_section(".ARM.exidx");
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// Create __exidx_start and __exdix_end symbols.
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symtab->define_in_output_data("__exidx_start", NULL, exidx_section,
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0, 0, elfcpp::STT_OBJECT,
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elfcpp::STB_LOCAL, elfcpp::STV_HIDDEN, 0,
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false, false);
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symtab->define_in_output_data("__exidx_end", NULL, exidx_section,
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0, 0, elfcpp::STT_OBJECT,
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elfcpp::STB_LOCAL, elfcpp::STV_HIDDEN, 0,
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true, false);
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if (exidx_section != NULL
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&& exidx_section->type() == elfcpp::SHT_ARM_EXIDX)
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// For the ARM target, we need to add a PT_ARM_EXIDX segment for
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// the .ARM.exidx section.
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if (!layout->script_options()->saw_phdrs_clause())
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{
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gold_assert(layout->find_output_segment(elfcpp::PT_ARM_EXIDX, 0, 0)
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== NULL);
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@ -95,7 +95,7 @@ class Target_i386 : public Target_freebsd<32, false>
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// Finalize the sections.
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void
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do_finalize_sections(Layout*, const Input_objects*);
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do_finalize_sections(Layout*, const Input_objects*, Symbol_table*);
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// Return the value to use for a dynamic which requires special
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// treatment.
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@ -1552,7 +1552,10 @@ Target_i386::scan_relocs(Symbol_table* symtab,
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// Finalize the sections.
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void
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Target_i386::do_finalize_sections(Layout* layout, const Input_objects*)
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Target_i386::do_finalize_sections(
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Layout* layout,
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const Input_objects*,
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Symbol_table*)
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{
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// Fill in some more dynamic tags.
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Output_data_dynamic* const odyn = layout->dynamic_data();
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@ -1533,7 +1533,7 @@ off_t
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Layout::finalize(const Input_objects* input_objects, Symbol_table* symtab,
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Target* target, const Task* task)
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{
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target->finalize_sections(this, input_objects);
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target->finalize_sections(this, input_objects, symtab);
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this->count_local_symbols(task, input_objects);
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@ -92,7 +92,7 @@ class Target_powerpc : public Sized_target<size, big_endian>
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const unsigned char* plocal_symbols);
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// Finalize the sections.
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void
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do_finalize_sections(Layout*, const Input_objects*);
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do_finalize_sections(Layout*, const Input_objects*, Symbol_table*);
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// Return the value to use for a dynamic which requires special
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// treatment.
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@ -1532,7 +1532,8 @@ template<int size, bool big_endian>
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void
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Target_powerpc<size, big_endian>::do_finalize_sections(
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Layout* layout,
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const Input_objects*)
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const Input_objects*,
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Symbol_table*)
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{
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// Fill in some more dynamic tags.
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Output_data_dynamic* const odyn = layout->dynamic_data();
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@ -94,7 +94,7 @@ class Target_sparc : public Sized_target<size, big_endian>
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const unsigned char* plocal_symbols);
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// Finalize the sections.
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void
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do_finalize_sections(Layout*, const Input_objects*);
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do_finalize_sections(Layout*, const Input_objects*, Symbol_table*);
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// Return the value to use for a dynamic which requires special
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// treatment.
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@ -2319,7 +2319,8 @@ template<int size, bool big_endian>
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void
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Target_sparc<size, big_endian>::do_finalize_sections(
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Layout* layout,
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const Input_objects*)
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const Input_objects*,
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Symbol_table*)
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{
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// Fill in some more dynamic tags.
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Output_data_dynamic* const odyn = layout->dynamic_data();
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@ -194,8 +194,9 @@ class Target
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// This is called to tell the target to complete any sections it is
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// handling. After this all sections must have their final size.
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void
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finalize_sections(Layout* layout, const Input_objects* input_objects)
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{ return this->do_finalize_sections(layout, input_objects); }
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finalize_sections(Layout* layout, const Input_objects* input_objects,
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Symbol_table* symtab)
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{ return this->do_finalize_sections(layout, input_objects, symtab); }
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// Return the value to use for a global symbol which needs a special
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// value in the dynamic symbol table. This will only be called if
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@ -336,7 +337,7 @@ class Target
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// Virtual function which may be implemented by the child class.
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virtual void
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do_finalize_sections(Layout*, const Input_objects*)
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do_finalize_sections(Layout*, const Input_objects*, Symbol_table*)
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{ }
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// Virtual function which may be implemented by the child class.
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@ -102,7 +102,7 @@ class Target_x86_64 : public Target_freebsd<64, false>
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// Finalize the sections.
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void
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do_finalize_sections(Layout*, const Input_objects*);
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do_finalize_sections(Layout*, const Input_objects*, Symbol_table*);
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// Return the value to use for a dynamic which requires special
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// treatment.
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@ -1642,7 +1642,10 @@ Target_x86_64::scan_relocs(Symbol_table* symtab,
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// Finalize the sections.
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void
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Target_x86_64::do_finalize_sections(Layout* layout, const Input_objects*)
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Target_x86_64::do_finalize_sections(
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Layout* layout,
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const Input_objects*,
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Symbol_table*)
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{
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// Fill in some more dynamic tags.
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Output_data_dynamic* const odyn = layout->dynamic_data();
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