diff options
Diffstat (limited to 'gold/output.h')
| -rw-r--r-- | gold/output.h | 155 |
1 files changed, 149 insertions, 6 deletions
diff --git a/gold/output.h b/gold/output.h index a8f2f39..dceaceb 100644 --- a/gold/output.h +++ b/gold/output.h @@ -27,6 +27,7 @@ #include <vector> #include "elfcpp.h" +#include "mapfile.h" #include "layout.h" #include "reloc-types.h" @@ -240,6 +241,11 @@ class Output_data is_data_size_valid() const { return this->is_data_size_valid_; } + // Print information to the map file. + void + print_to_mapfile(Mapfile* mapfile) const + { return this->do_print_to_mapfile(mapfile); } + protected: // Functions that child classes may or in some cases must implement. @@ -316,6 +322,12 @@ class Output_data do_tls_offset() const { gold_unreachable(); } + // Print to the map file. This only needs to be implemented by + // classes which may appear in a PT_LOAD segment. + virtual void + do_print_to_mapfile(Mapfile*) const + { gold_unreachable(); } + // Functions that child classes may call. // Set the size of the data. @@ -397,6 +409,11 @@ class Output_section_headers : public Output_data do_addralign() const { return Output_data::default_alignment(); } + // Write to a map file. + void + do_print_to_mapfile(Mapfile* mapfile) const + { mapfile->print_output_data(this, _("** section headers")); } + private: // Write the data to the file with the right size and endianness. template<int size, bool big_endian> @@ -428,6 +445,11 @@ class Output_segment_headers : public Output_data do_addralign() const { return Output_data::default_alignment(); } + // Write to a map file. + void + do_print_to_mapfile(Mapfile* mapfile) const + { mapfile->print_output_data(this, _("** segment headers")); } + private: // Write the data to the file with the right size and endianness. template<int size, bool big_endian> @@ -462,6 +484,11 @@ class Output_file_header : public Output_data do_addralign() const { return Output_data::default_alignment(); } + // Write to a map file. + void + do_print_to_mapfile(Mapfile* mapfile) const + { mapfile->print_output_data(this, _("** file header")); } + private: // Write the data to the file with the right size and endianness. template<int size, bool big_endian> @@ -663,6 +690,11 @@ class Output_data_const : public Output_section_data do_write_to_buffer(unsigned char* buffer) { memcpy(buffer, this->data_.data(), this->data_.size()); } + // Write to a map file. + void + do_print_to_mapfile(Mapfile* mapfile) const + { mapfile->print_output_data(this, _("** fill")); } + private: std::string data_; }; @@ -674,8 +706,9 @@ class Output_data_const_buffer : public Output_section_data { public: Output_data_const_buffer(const unsigned char* p, off_t len, - uint64_t addralign) - : Output_section_data(len, addralign), p_(p) + uint64_t addralign, const char* map_name) + : Output_section_data(len, addralign), + p_(p), map_name_(map_name) { } protected: @@ -688,8 +721,17 @@ class Output_data_const_buffer : public Output_section_data do_write_to_buffer(unsigned char* buffer) { memcpy(buffer, this->p_, this->data_size()); } + // Write to a map file. + void + do_print_to_mapfile(Mapfile* mapfile) const + { mapfile->print_output_data(this, _(this->map_name_)); } + private: + // The data to output. const unsigned char* p_; + // Name to use in a map file. Maps are a rarely used feature, but + // the space usage is minor as aren't very many of these objects. + const char* map_name_; }; // A place holder for a fixed amount of data written out via some @@ -698,8 +740,10 @@ class Output_data_const_buffer : public Output_section_data class Output_data_fixed_space : public Output_section_data { public: - Output_data_fixed_space(off_t data_size, uint64_t addralign) - : Output_section_data(data_size, addralign) + Output_data_fixed_space(off_t data_size, uint64_t addralign, + const char* map_name) + : Output_section_data(data_size, addralign), + map_name_(map_name) { } protected: @@ -708,6 +752,16 @@ class Output_data_fixed_space : public Output_section_data void do_write(Output_file*) { } + + // Write to a map file. + void + do_print_to_mapfile(Mapfile* mapfile) const + { mapfile->print_output_data(this, _(this->map_name_)); } + + private: + // Name to use in a map file. Maps are a rarely used feature, but + // the space usage is minor as aren't very many of these objects. + const char* map_name_; }; // A place holder for variable sized data written out via some other @@ -716,8 +770,9 @@ class Output_data_fixed_space : public Output_section_data class Output_data_space : public Output_section_data_build { public: - explicit Output_data_space(uint64_t addralign) - : Output_section_data_build(addralign) + explicit Output_data_space(uint64_t addralign, const char* map_name) + : Output_section_data_build(addralign), + map_name_(map_name) { } // Set the alignment. @@ -731,6 +786,38 @@ class Output_data_space : public Output_section_data_build void do_write(Output_file*) { } + + // Write to a map file. + void + do_print_to_mapfile(Mapfile* mapfile) const + { mapfile->print_output_data(this, _(this->map_name_)); } + + private: + // Name to use in a map file. Maps are a rarely used feature, but + // the space usage is minor as aren't very many of these objects. + const char* map_name_; +}; + +// Fill fixed space with zeroes. This is just like +// Output_data_fixed_space, except that the map name is known. + +class Output_data_zero_fill : public Output_section_data +{ + public: + Output_data_zero_fill(off_t data_size, uint64_t addralign) + : Output_section_data(data_size, addralign) + { } + + protected: + // There is no data to write out. + void + do_write(Output_file*) + { } + + // Write to a map file. + void + do_print_to_mapfile(Mapfile* mapfile) const + { mapfile->print_output_data(this, "** zero fill"); } }; // A string table which goes into an output section. @@ -757,6 +844,11 @@ class Output_data_strtab : public Output_section_data do_write_to_buffer(unsigned char* buffer) { this->strtab_->write_to_buffer(buffer, this->data_size()); } + // Write to a map file. + void + do_print_to_mapfile(Mapfile* mapfile) const + { mapfile->print_output_data(this, _("** string table")); } + private: Stringpool* strtab_; }; @@ -1056,6 +1148,16 @@ class Output_data_reloc_base : public Output_section_data_build void do_adjust_output_section(Output_section *os); + // Write to a map file. + void + do_print_to_mapfile(Mapfile* mapfile) const + { + mapfile->print_output_data(this, + (dynamic + ? _("** dynamic relocs") + : _("** relocs"))); + } + // Add a relocation entry. void add(Output_data *od, const Output_reloc_type& reloc) @@ -1380,6 +1482,11 @@ class Output_relocatable_relocs : public Output_section_data do_write(Output_file*) { } + // Write to a map file. + void + do_print_to_mapfile(Mapfile* mapfile) const + { mapfile->print_output_data(this, _("** relocs")); } + private: // The relocs associated with this input section. Relocatable_relocs* rr_; @@ -1400,6 +1507,11 @@ class Output_data_group : public Output_section_data void do_write(Output_file*); + // Write to a map file. + void + do_print_to_mapfile(Mapfile* mapfile) const + { mapfile->print_output_data(this, _("** group")); } + private: // The input object. Sized_relobj<size, big_endian>* relobj_; @@ -1502,6 +1614,11 @@ class Output_data_got : public Output_section_data_build void do_write(Output_file*); + // Write to a map file. + void + do_print_to_mapfile(Mapfile* mapfile) const + { mapfile->print_output_data(this, _("** GOT")); } + private: // This POD class holds a single GOT entry. class Got_entry @@ -1639,6 +1756,11 @@ class Output_data_dynamic : public Output_section_data void do_write(Output_file*); + // Write to a map file. + void + do_print_to_mapfile(Mapfile* mapfile) const + { mapfile->print_output_data(this, _("** dynamic")); } + private: // This POD class holds a single dynamic entry. class Dynamic_entry @@ -1752,6 +1874,11 @@ class Output_symtab_xindex : public Output_section_data void do_write(Output_file*); + // Write to a map file. + void + do_print_to_mapfile(Mapfile* mapfile) const + { mapfile->print_output_data(this, _("** symtab xindex")); } + private: template<bool big_endian> void @@ -2262,6 +2389,10 @@ class Output_section : public Output_data do_finalize_name(Layout*) { } + // Print to the map file. + virtual void + do_print_to_mapfile(Mapfile*) const; + // Record that this section requires postprocessing after all // relocations have been applied. This is called by a child class. void @@ -2439,6 +2570,10 @@ class Output_section : public Output_data void write_to_buffer(unsigned char*); + // Print to a map file. + void + print_to_mapfile(Mapfile*) const; + // Print statistics about merge sections to stderr. void print_merge_stats(const char* section_name) @@ -2802,6 +2937,10 @@ class Output_segment write_section_headers(const Layout*, const Stringpool*, unsigned char* v, unsigned int* pshndx) const; + // Print the output sections in the map file. + void + print_sections_to_mapfile(Mapfile*) const; + private: Output_segment(const Output_segment&); Output_segment& operator=(const Output_segment&); @@ -2844,6 +2983,10 @@ class Output_segment const Output_data_list*, unsigned char* v, unsigned int* pshdx) const; + // Print a section list to the mapfile. + void + print_section_list_to_mapfile(Mapfile*, const Output_data_list*) const; + // The list of output data with contents attached to this segment. Output_data_list output_data_; // The list of output data without contents attached to this segment. |