2010-04-07 Doug Kwan <dougkwan@google.com>
* arm.cc: Replace "endianity" with "endianness" in comments. (Arm_exidx_cantunwind): Ditto. (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures. (Arm_relobj::merge_flags_and_attributes): New method. (Arm_relobj::merge_flags_and_attributes_): New data member. (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting. (Arm_relobj::scan_sections_for_stubs): Ditto. (Arm_relobj::do_read_symbols): Check to see if we really want to merge processor-specific flags and attributes. Exit early if an object is empty except for section names and the undefined symbol. (Target_arm::do_finalize_sections): Move check for ELF format to Arm_relobj::do_read_symbols. Merge processor specific flags and attributes from a regular object only when we have determined that it is aapropriate. Do not create an .ARM.attributes section in output if there is no regular input object. (Target_arm::merge_processor_specific_flags): Check --warn-mismatch before printing any error. (Target_arm::merge_object_attributes): Ditto. * gold.cc (queue_middle_tasks): Handle the case in which there is no regular object in input. * options.cc (General_options::parse_EB): New method. (General_options::parse_EL): Same. (General_options::General_options): Initialize endianness_. * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch): New options. (General_options::Endianness): New enum. (General_options::endianness): New method. (General_options::endianness_): New data member. * parameters.cc (Parameters::set_options): Check target endianness. (Parameters::set_target_once): Ditto. (Parameters::check_target_endianness): New method. (parameters_force_valid_target): If either -EL or -EB is specified, use it to define endianness of default target. * parameters.h (Parameters::check_target_endianness): New method declaration. * target.h (class Target): Change "endianity" to "endianness" in comments.
This commit is contained in:
Doug Kwan
parent
45ecb02a77
commit
7296d93387
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@ -1,3 +1,43 @@
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2010-04-07 Doug Kwan <dougkwan@google.com>
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* arm.cc: Replace "endianity" with "endianness" in comments.
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(Arm_exidx_cantunwind): Ditto.
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(Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
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(Arm_relobj::merge_flags_and_attributes): New method.
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(Arm_relobj::merge_flags_and_attributes_): New data member.
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(Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
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(Arm_relobj::scan_sections_for_stubs): Ditto.
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(Arm_relobj::do_read_symbols): Check to see if we really want to
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merge processor-specific flags and attributes. Exit early if
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an object is empty except for section names and the undefined symbol.
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(Target_arm::do_finalize_sections): Move check for ELF format to
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Arm_relobj::do_read_symbols. Merge processor specific flags and
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attributes from a regular object only when we have determined that
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it is aapropriate. Do not create an .ARM.attributes section in
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output if there is no regular input object.
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(Target_arm::merge_processor_specific_flags): Check
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--warn-mismatch before printing any error.
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(Target_arm::merge_object_attributes): Ditto.
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* gold.cc (queue_middle_tasks): Handle the case in which there is
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no regular object in input.
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* options.cc (General_options::parse_EB): New method.
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(General_options::parse_EL): Same.
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(General_options::General_options): Initialize endianness_.
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* options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
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New options.
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(General_options::Endianness): New enum.
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(General_options::endianness): New method.
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(General_options::endianness_): New data member.
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* parameters.cc (Parameters::set_options): Check target endianness.
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(Parameters::set_target_once): Ditto.
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(Parameters::check_target_endianness): New method.
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(parameters_force_valid_target): If either -EL or -EB is specified,
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use it to define endianness of default target.
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* parameters.h (Parameters::check_target_endianness): New method
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declaration.
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* target.h (class Target): Change "endianity" to "endianness"
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in comments.
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2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
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* configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
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136
gold/arm.cc
136
gold/arm.cc
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@ -602,7 +602,7 @@ class Reloc_stub : public Stub
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// Otherwise, this points a relobj. We used the unsized and target
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// independent Symbol and Relobj classes instead of Sized_symbol<32> and
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// Arm_relobj. This is done to avoid making the stub class a template
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// as most of the stub machinery is endianity-neutral. However, it
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// as most of the stub machinery is endianness-neutral. However, it
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// may require a bit of casting done by users of this class.
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union
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{
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@ -1065,7 +1065,7 @@ class Arm_exidx_cantunwind : public Output_section_data
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}
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private:
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// Implement do_write for a given endianity.
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// Implement do_write for a given endianness.
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template<bool big_endian>
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void inline
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do_fixed_endian_write(Output_file*);
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@ -1426,7 +1426,8 @@ class Arm_relobj : public Sized_relobj<32, big_endian>
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stub_tables_(), local_symbol_is_thumb_function_(),
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attributes_section_data_(NULL), mapping_symbols_info_(),
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section_has_cortex_a8_workaround_(NULL), exidx_section_map_(),
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output_local_symbol_count_needs_update_(false)
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output_local_symbol_count_needs_update_(false),
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merge_flags_and_attributes_(true)
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{ }
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~Arm_relobj()
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@ -1565,6 +1566,11 @@ class Arm_relobj : public Sized_relobj<32, big_endian>
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void
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update_output_local_symbol_count();
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// Whether we want to merge processor-specific flags and attributes.
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bool
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merge_flags_and_attributes() const
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{ return this->merge_flags_and_attributes_; }
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protected:
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// Post constructor setup.
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void
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@ -1665,6 +1671,9 @@ class Arm_relobj : public Sized_relobj<32, big_endian>
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Exidx_section_map exidx_section_map_;
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// Whether output local symbol count needs updating.
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bool output_local_symbol_count_needs_update_;
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// Whether we merge processor flags and attributes of this object to
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// output.
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bool merge_flags_and_attributes_;
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};
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// Arm_dynobj class.
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@ -4124,7 +4133,7 @@ Stub_template::Stub_template(
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// Stub methods.
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// Template to implement do_write for a specific target endianity.
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// Template to implement do_write for a specific target endianness.
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template<bool big_endian>
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void inline
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@ -4969,7 +4978,7 @@ Arm_input_section<big_endian>::do_reset_address_and_file_offset()
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// Arm_exidx_cantunwind methods.
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// Write this to Output file OF for a fixed endianity.
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// Write this to Output file OF for a fixed endianness.
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template<bool big_endian>
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void
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@ -4990,7 +4999,7 @@ Arm_exidx_cantunwind::do_fixed_endian_write(Output_file* of)
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Arm_address output_offset =
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arm_relobj->get_output_section_offset(this->shndx_);
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Arm_address section_start;
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if(output_offset != Arm_relobj<big_endian>::invalid_address)
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if (output_offset != Arm_relobj<big_endian>::invalid_address)
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section_start = os->address() + output_offset;
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else
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{
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@ -5946,7 +5955,7 @@ Arm_relobj<big_endian>::scan_sections_for_stubs(
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unsigned int index = this->adjust_shndx(shdr.get_sh_info());
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Arm_address output_offset = this->get_output_section_offset(index);
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Arm_address output_address;
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if(output_offset != invalid_address)
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if (output_offset != invalid_address)
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output_address = out_sections[index]->address() + output_offset;
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else
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{
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@ -6327,6 +6336,16 @@ Arm_relobj<big_endian>::do_read_symbols(Read_symbols_data* sd)
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// Call parent class to read symbol information.
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Sized_relobj<32, big_endian>::do_read_symbols(sd);
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// If this input file is a binary file, it has no processor
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// specific flags and attributes section.
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Input_file::Format format = this->input_file()->format();
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if (format != Input_file::FORMAT_ELF)
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{
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gold_assert(format == Input_file::FORMAT_BINARY);
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this->merge_flags_and_attributes_ = false;
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return;
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}
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// Read processor-specific flags in ELF file header.
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const unsigned char* pehdr = this->get_view(elfcpp::file_header_offset,
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elfcpp::Elf_sizes<32>::ehdr_size,
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@ -6340,9 +6359,27 @@ Arm_relobj<big_endian>::do_read_symbols(Read_symbols_data* sd)
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const size_t shdr_size = elfcpp::Elf_sizes<32>::shdr_size;
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const unsigned char* pshdrs = sd->section_headers->data();
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const unsigned char *ps = pshdrs + shdr_size;
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bool must_merge_flags_and_attributes = false;
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for (unsigned int i = 1; i < this->shnum(); ++i, ps += shdr_size)
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{
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elfcpp::Shdr<32, big_endian> shdr(ps);
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// Sometimes an object has no contents except the section name string
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// table and an empty symbol table with the undefined symbol. We
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// don't want to merge processor-specific flags from such an object.
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if (shdr.get_sh_type() == elfcpp::SHT_SYMTAB)
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{
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// Symbol table is not empty.
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const elfcpp::Elf_types<32>::Elf_WXword sym_size =
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elfcpp::Elf_sizes<32>::sym_size;
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if (shdr.get_sh_size() > sym_size)
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must_merge_flags_and_attributes = true;
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}
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else if (shdr.get_sh_type() != elfcpp::SHT_STRTAB)
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// If this is neither an empty symbol table nor a string table,
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// be conservative.
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must_merge_flags_and_attributes = true;
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if (shdr.get_sh_type() == elfcpp::SHT_ARM_ATTRIBUTES)
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{
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gold_assert(this->attributes_section_data_ == NULL);
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@ -6367,6 +6404,13 @@ Arm_relobj<big_endian>::do_read_symbols(Read_symbols_data* sd)
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}
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}
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// This is rare.
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if (!must_merge_flags_and_attributes)
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{
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this->merge_flags_and_attributes_ = false;
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return;
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}
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// Some tools are broken and they do not set the link of EXIDX sections.
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// We look at the first relocation to figure out the linked sections.
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if (!deferred_exidx_sections.empty())
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@ -7941,23 +7985,16 @@ Target_arm<big_endian>::do_finalize_sections(
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p != input_objects->relobj_end();
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++p)
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{
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// If this input file is a binary file, it has no processor
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// specific flags and attributes section.
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Input_file::Format format = (*p)->input_file()->format();
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if (format != Input_file::FORMAT_ELF)
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{
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gold_assert(format == Input_file::FORMAT_BINARY);
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continue;
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}
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Arm_relobj<big_endian>* arm_relobj =
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Arm_relobj<big_endian>::as_arm_relobj(*p);
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this->merge_processor_specific_flags(
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arm_relobj->name(),
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arm_relobj->processor_specific_flags());
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this->merge_object_attributes(arm_relobj->name().c_str(),
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arm_relobj->attributes_section_data());
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if (arm_relobj->merge_flags_and_attributes())
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{
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this->merge_processor_specific_flags(
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arm_relobj->name(),
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arm_relobj->processor_specific_flags());
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this->merge_object_attributes(arm_relobj->name().c_str(),
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arm_relobj->attributes_section_data());
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}
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}
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for (Input_objects::Dynobj_iterator p = input_objects->dynobj_begin();
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@ -8046,13 +8083,17 @@ Target_arm<big_endian>::do_finalize_sections(
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}
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}
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// Create an .ARM.attributes section if there is not one already.
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Output_attributes_section_data* attributes_section =
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new Output_attributes_section_data(*this->attributes_section_data_);
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layout->add_output_section_data(".ARM.attributes",
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elfcpp::SHT_ARM_ATTRIBUTES, 0,
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attributes_section, false, false, false,
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false);
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// Create an .ARM.attributes section unless we have no regular input
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// object. In that case the output will be empty.
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if (input_objects->number_of_relobjs() != 0)
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{
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Output_attributes_section_data* attributes_section =
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new Output_attributes_section_data(*this->attributes_section_data_);
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layout->add_output_section_data(".ARM.attributes",
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elfcpp::SHT_ARM_ATTRIBUTES, 0,
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attributes_section, false, false, false,
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false);
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}
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}
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// Return whether a direct absolute static relocation needs to be applied.
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@ -8970,7 +9011,8 @@ Target_arm<big_endian>::merge_processor_specific_flags(
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// Complain about various flag mismatches.
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elfcpp::Elf_Word version1 = elfcpp::arm_eabi_version(flags);
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elfcpp::Elf_Word version2 = elfcpp::arm_eabi_version(out_flags);
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if (!this->are_eabi_versions_compatible(version1, version2))
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if (!this->are_eabi_versions_compatible(version1, version2)
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&& parameters->options().warn_mismatch())
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gold_error(_("Source object %s has EABI version %d but output has "
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"EABI version %d."),
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name.c_str(),
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@ -9381,7 +9423,8 @@ Target_arm<big_endian>::merge_object_attributes(
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if (out_attr[elfcpp::Tag_ABI_FP_number_model].int_value() == 0)
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out_attr[elfcpp::Tag_ABI_VFP_args].set_int_value(
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in_attr[elfcpp::Tag_ABI_VFP_args].int_value());
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else if (in_attr[elfcpp::Tag_ABI_FP_number_model].int_value() != 0)
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else if (in_attr[elfcpp::Tag_ABI_FP_number_model].int_value() != 0
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&& parameters->options().warn_mismatch())
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gold_error(_("%s uses VFP register arguments, output does not"),
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name);
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}
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@ -9525,7 +9568,7 @@ Target_arm<big_endian>::merge_object_attributes(
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&& (out_attr[i].int_value() == 'A'
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|| out_attr[i].int_value() == 'R')))
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; // Do nothing.
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else
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else if (parameters->options().warn_mismatch())
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{
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gold_error
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(_("conflicting architecture profiles %c/%c"),
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@ -9580,7 +9623,9 @@ Target_arm<big_endian>::merge_object_attributes(
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case elfcpp::Tag_PCS_config:
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if (out_attr[i].int_value() == 0)
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out_attr[i].set_int_value(in_attr[i].int_value());
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else if (in_attr[i].int_value() != 0 && out_attr[i].int_value() != 0)
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else if (in_attr[i].int_value() != 0
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&& out_attr[i].int_value() != 0
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&& parameters->options().warn_mismatch())
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{
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// It's sometimes ok to mix different configs, so this is only
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// a warning.
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@ -9590,7 +9635,8 @@ Target_arm<big_endian>::merge_object_attributes(
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case elfcpp::Tag_ABI_PCS_R9_use:
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if (in_attr[i].int_value() != out_attr[i].int_value()
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&& out_attr[i].int_value() != elfcpp::AEABI_R9_unused
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&& in_attr[i].int_value() != elfcpp::AEABI_R9_unused)
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&& in_attr[i].int_value() != elfcpp::AEABI_R9_unused
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&& parameters->options().warn_mismatch())
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{
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gold_error(_("%s: conflicting use of R9"), name);
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}
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@ -9602,11 +9648,12 @@ Target_arm<big_endian>::merge_object_attributes(
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&& (in_attr[elfcpp::Tag_ABI_PCS_R9_use].int_value()
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!= elfcpp::AEABI_R9_SB)
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&& (out_attr[elfcpp::Tag_ABI_PCS_R9_use].int_value()
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!= elfcpp::AEABI_R9_unused))
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!= elfcpp::AEABI_R9_unused)
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&& parameters->options().warn_mismatch())
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{
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gold_error(_("%s: SB relative addressing conflicts with use "
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"of R9"),
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name);
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name);
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}
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// Use the smallest value specified.
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if (in_attr[i].int_value() < out_attr[i].int_value())
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@ -9616,7 +9663,8 @@ Target_arm<big_endian>::merge_object_attributes(
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// FIXME: Make it possible to turn off this warning.
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if (out_attr[i].int_value()
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&& in_attr[i].int_value()
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&& out_attr[i].int_value() != in_attr[i].int_value())
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&& out_attr[i].int_value() != in_attr[i].int_value()
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&& parameters->options().warn_mismatch())
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{
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gold_warning(_("%s uses %u-byte wchar_t yet the output is to "
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"use %u-byte wchar_t; use of wchar_t values "
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@ -9639,7 +9687,8 @@ Target_arm<big_endian>::merge_object_attributes(
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}
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// FIXME: Make it possible to turn off this warning.
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else if (in_attr[i].int_value() != elfcpp::AEABI_enum_forced_wide
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&& out_attr[i].int_value() != in_attr[i].int_value())
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&& out_attr[i].int_value() != in_attr[i].int_value()
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&& parameters->options().warn_mismatch())
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{
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unsigned int in_value = in_attr[i].int_value();
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unsigned int out_value = out_attr[i].int_value();
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@ -9656,7 +9705,8 @@ Target_arm<big_endian>::merge_object_attributes(
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// Aready done.
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break;
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case elfcpp::Tag_ABI_WMMX_args:
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if (in_attr[i].int_value() != out_attr[i].int_value())
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if (in_attr[i].int_value() != out_attr[i].int_value()
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&& parameters->options().warn_mismatch())
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||||
{
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gold_error(_("%s uses iWMMXt register arguments, output does "
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"not"),
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@ -9677,7 +9727,8 @@ Target_arm<big_endian>::merge_object_attributes(
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case elfcpp::Tag_ABI_FP_16bit_format:
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if (in_attr[i].int_value() != 0 && out_attr[i].int_value() != 0)
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||||
{
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if (in_attr[i].int_value() != out_attr[i].int_value())
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if (in_attr[i].int_value() != out_attr[i].int_value()
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&& parameters->options().warn_mismatch())
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gold_error(_("fp16 format mismatch between %s and output"),
|
||||
name);
|
||||
}
|
||||
|
|
@ -9714,7 +9765,8 @@ Target_arm<big_endian>::merge_object_attributes(
|
|||
|| in_attr[i].string_value() != "")
|
||||
err_object = name;
|
||||
|
||||
if (err_object != NULL)
|
||||
if (err_object != NULL
|
||||
&& parameters->options().warn_mismatch())
|
||||
{
|
||||
// Attribute numbers >=64 (mod 128) can be safely ignored.
|
||||
if ((i & 127) < 64)
|
||||
|
|
@ -9806,7 +9858,7 @@ Target_arm<big_endian>::merge_object_attributes(
|
|||
}
|
||||
}
|
||||
|
||||
if (err_object)
|
||||
if (err_object && parameters->options().warn_mismatch())
|
||||
{
|
||||
// Attribute numbers >=64 (mod 128) can be safely ignored. */
|
||||
if ((err_tag & 127) < 64)
|
||||
|
|
|
|||
20
gold/gold.cc
20
gold/gold.cc
|
|
@ -532,13 +532,23 @@ queue_middle_tasks(const General_options& options,
|
|||
}
|
||||
}
|
||||
|
||||
// If we failed to open any input files, it's possible for
|
||||
// THIS_BLOCKER to be NULL here. There's no real point in
|
||||
// continuing if that happens.
|
||||
if (this_blocker == NULL)
|
||||
{
|
||||
gold_assert(parameters->errors()->error_count() > 0);
|
||||
gold_exit(false);
|
||||
if (input_objects->number_of_relobjs() == 0)
|
||||
{
|
||||
// If we are given only archives in input, we have no regular
|
||||
// objects and THIS_BLOCKER is NULL here. Create a dummy
|
||||
// blocker here so that we can run the layout task immediately.
|
||||
this_blocker = new Task_token(true);
|
||||
}
|
||||
else
|
||||
{
|
||||
// If we failed to open any input files, it's possible for
|
||||
// THIS_BLOCKER to be NULL here. There's no real point in
|
||||
// continuing if that happens.
|
||||
gold_assert(parameters->errors()->error_count() > 0);
|
||||
gold_exit(false);
|
||||
}
|
||||
}
|
||||
|
||||
// When all those tasks are complete, we can start laying out the
|
||||
|
|
|
|||
|
|
@ -614,6 +614,18 @@ General_options::parse_fix_v4bx_interworking(const char*, const char*,
|
|||
this->fix_v4bx_ = FIX_V4BX_INTERWORKING;
|
||||
}
|
||||
|
||||
void
|
||||
General_options::parse_EB(const char*, const char*, Command_line*)
|
||||
{
|
||||
this->endianness_ = ENDIANNESS_BIG;
|
||||
}
|
||||
|
||||
void
|
||||
General_options::parse_EL(const char*, const char*, Command_line*)
|
||||
{
|
||||
this->endianness_ = ENDIANNESS_LITTLE;
|
||||
}
|
||||
|
||||
} // End namespace gold.
|
||||
|
||||
namespace
|
||||
|
|
@ -845,7 +857,8 @@ General_options::General_options()
|
|||
excluded_libs_(),
|
||||
symbols_to_retain_(),
|
||||
section_starts_(),
|
||||
fix_v4bx_(FIX_V4BX_NONE)
|
||||
fix_v4bx_(FIX_V4BX_NONE),
|
||||
endianness_(ENDIANNESS_NOT_SET)
|
||||
{
|
||||
// Turn off option registration once construction is complete.
|
||||
gold::options::ready_to_register = false;
|
||||
|
|
|
|||
|
|
@ -713,9 +713,15 @@ class General_options
|
|||
N_("Export all dynamic symbols"),
|
||||
N_("Do not export all dynamic symbols (default)"));
|
||||
|
||||
DEFINE_special(EB, options::ONE_DASH, '\0',
|
||||
N_("Link big-endian objects."), NULL);
|
||||
|
||||
DEFINE_bool(eh_frame_hdr, options::TWO_DASHES, '\0', false,
|
||||
N_("Create exception frame header"), NULL);
|
||||
|
||||
DEFINE_special(EL, options::ONE_DASH, '\0',
|
||||
N_("Link little-endian objects."), NULL);
|
||||
|
||||
DEFINE_bool(fatal_warnings, options::TWO_DASHES, '\0', false,
|
||||
N_("Treat warnings as errors"),
|
||||
N_("Do not treat warnings as errors"));
|
||||
|
|
@ -824,12 +830,18 @@ class General_options
|
|||
DEFINE_string(oformat, options::EXACTLY_TWO_DASHES, '\0', "elf",
|
||||
N_("Set output format"), N_("[binary]"));
|
||||
|
||||
DEFINE_bool(p, options::ONE_DASH, '\0', false,
|
||||
N_("(ARM only) Ignore for backward compatibility"), NULL);
|
||||
|
||||
DEFINE_bool(pie, options::ONE_DASH, '\0', false,
|
||||
N_("Create a position independent executable"), NULL);
|
||||
DEFINE_bool_alias(pic_executable, pie, options::TWO_DASHES, '\0',
|
||||
N_("Create a position independent executable"), NULL,
|
||||
false);
|
||||
|
||||
DEFINE_bool(pipeline_knowledge, options::ONE_DASH, '\0', false,
|
||||
NULL, N_("(ARM only) Ignore for backward compatibility"));
|
||||
|
||||
#ifdef ENABLE_PLUGINS
|
||||
DEFINE_special(plugin, options::TWO_DASHES, '\0',
|
||||
N_("Load a plugin library"), N_("PLUGIN"));
|
||||
|
|
@ -992,6 +1004,9 @@ class General_options
|
|||
DEFINE_bool(warn_constructors, options::TWO_DASHES, '\0', false,
|
||||
N_("Ignored"), N_("Ignored"));
|
||||
|
||||
DEFINE_bool(warn_mismatch, options::TWO_DASHES, '\0', true,
|
||||
NULL, N_("Don't warn about mismatched input files"));
|
||||
|
||||
DEFINE_bool(warn_multiple_gp, options::TWO_DASHES, '\0', false,
|
||||
N_("Ignored"), NULL);
|
||||
|
||||
|
|
@ -1256,6 +1271,17 @@ class General_options
|
|||
fix_v4bx() const
|
||||
{ return (this->fix_v4bx_); }
|
||||
|
||||
enum Endianness
|
||||
{
|
||||
ENDIANNESS_NOT_SET,
|
||||
ENDIANNESS_BIG,
|
||||
ENDIANNESS_LITTLE
|
||||
};
|
||||
|
||||
Endianness
|
||||
endianness() const
|
||||
{ return this->endianness_; }
|
||||
|
||||
private:
|
||||
// Don't copy this structure.
|
||||
General_options(const General_options&);
|
||||
|
|
@ -1347,6 +1373,8 @@ class General_options
|
|||
std::map<std::string, uint64_t> section_starts_;
|
||||
// Whether to process armv4 bx instruction relocation.
|
||||
Fix_v4bx fix_v4bx_;
|
||||
// Endianness.
|
||||
Endianness endianness_;
|
||||
};
|
||||
|
||||
// The position-dependent options. We use this to store the state of
|
||||
|
|
|
|||
|
|
@ -89,6 +89,8 @@ Parameters::set_options(const General_options* options)
|
|||
// If --verbose is set, it acts as "--debug=files".
|
||||
if (options->verbose())
|
||||
this->debug_ |= DEBUG_FILES;
|
||||
if (this->target_valid())
|
||||
this->check_target_endianness();
|
||||
}
|
||||
|
||||
void
|
||||
|
|
@ -113,6 +115,8 @@ Parameters::set_target_once(Target* target)
|
|||
{
|
||||
gold_assert(this->target_ == NULL);
|
||||
this->target_ = target;
|
||||
if (this->options_valid())
|
||||
this->check_target_endianness();
|
||||
}
|
||||
|
||||
// Clear the target, for testing.
|
||||
|
|
@ -181,6 +185,29 @@ Parameters::size_and_endianness() const
|
|||
gold_unreachable();
|
||||
}
|
||||
|
||||
// If output endianness is specified in command line, check that it does
|
||||
// not conflict with the target.
|
||||
|
||||
void
|
||||
Parameters::check_target_endianness()
|
||||
{
|
||||
General_options::Endianness endianness = this->options().endianness();
|
||||
if (endianness != General_options::ENDIANNESS_NOT_SET)
|
||||
{
|
||||
bool big_endian;
|
||||
if (endianness == General_options::ENDIANNESS_BIG)
|
||||
big_endian = true;
|
||||
else
|
||||
{
|
||||
gold_assert(endianness == General_options::ENDIANNESS_LITTLE);
|
||||
big_endian = false;;
|
||||
}
|
||||
|
||||
if (this->target().is_big_endian() != big_endian)
|
||||
gold_error(_("input file does not match -EB/EL option"));
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
set_parameters_errors(Errors* errors)
|
||||
{ static_parameters.set_errors(errors); }
|
||||
|
|
@ -227,9 +254,18 @@ parameters_force_valid_target()
|
|||
}
|
||||
|
||||
// The GOLD_DEFAULT_xx macros are defined by the configure script.
|
||||
bool is_big_endian;
|
||||
General_options::Endianness endianness = parameters->options().endianness();
|
||||
if (endianness == General_options::ENDIANNESS_BIG)
|
||||
is_big_endian = true;
|
||||
else if (endianness == General_options::ENDIANNESS_LITTLE)
|
||||
is_big_endian = false;
|
||||
else
|
||||
is_big_endian = GOLD_DEFAULT_BIG_ENDIAN;
|
||||
|
||||
Target* target = select_target(elfcpp::GOLD_DEFAULT_MACHINE,
|
||||
GOLD_DEFAULT_SIZE,
|
||||
GOLD_DEFAULT_BIG_ENDIAN,
|
||||
is_big_endian,
|
||||
elfcpp::GOLD_DEFAULT_OSABI,
|
||||
0);
|
||||
gold_assert(target != NULL);
|
||||
|
|
|
|||
|
|
@ -149,6 +149,9 @@ class Parameters
|
|||
void
|
||||
set_target_once(Target*);
|
||||
|
||||
void
|
||||
check_target_endianness();
|
||||
|
||||
friend class Set_parameters_target_once;
|
||||
|
||||
Errors* errors_;
|
||||
|
|
|
|||
|
|
@ -461,7 +461,7 @@ class Target
|
|||
std::string*, std::string*) const;
|
||||
|
||||
// make_elf_object hooks. There are four versions of these for
|
||||
// different address sizes and endianities.
|
||||
// different address sizes and endianness.
|
||||
|
||||
// Set processor specific flags.
|
||||
void
|
||||
|
|
@ -544,7 +544,7 @@ class Target
|
|||
|
||||
private:
|
||||
// The implementations of the four do_make_elf_object virtual functions are
|
||||
// almost identical except for their sizes and endianity. We use a template.
|
||||
// almost identical except for their sizes and endianness. We use a template.
|
||||
// for their implementations.
|
||||
template<int size, bool big_endian>
|
||||
inline Object*
|
||||
|
|
|
|||
Loading…
Reference in New Issue