diff options
Diffstat (limited to 'gold/output.h')
| -rw-r--r-- | gold/output.h | 143 |
1 files changed, 135 insertions, 8 deletions
diff --git a/gold/output.h b/gold/output.h index 796575a..7a35652 100644 --- a/gold/output.h +++ b/gold/output.h @@ -1057,7 +1057,30 @@ class Output_reloc<elfcpp::SHT_REL, dynamic, size, big_endian> Sized_relobj<size, big_endian>* relobj, unsigned int shndx, Address address); - // Return TRUE if this is a RELATIVE relocation. + // An absolute relocation with no symbol. + + Output_reloc(unsigned int type, Output_data* od, Address address); + + Output_reloc(unsigned int type, Sized_relobj<size, big_endian>* relobj, + unsigned int shndx, Address address); + + // A target specific relocation. The target will be called to get + // the symbol index, passing ARG. The type and offset will be set + // as for other relocation types. + + Output_reloc(unsigned int type, void* arg, Output_data* od, + Address address); + + Output_reloc(unsigned int type, void* arg, + Sized_relobj<size, big_endian>* relobj, + unsigned int shndx, Address address); + + // Return the reloc type. + unsigned int + type() const + { return this->type_; } + + // Return whether this is a RELATIVE relocation. bool is_relative() const { return this->is_relative_; } @@ -1069,9 +1092,24 @@ class Output_reloc<elfcpp::SHT_REL, dynamic, size, big_endian> return (this->local_sym_index_ != GSYM_CODE && this->local_sym_index_ != SECTION_CODE && this->local_sym_index_ != INVALID_CODE + && this->local_sym_index_ != TARGET_CODE && this->is_section_symbol_); } + // Return whether this is a target specific relocation. + bool + is_target_specific() const + { return this->local_sym_index_ == TARGET_CODE; } + + // Return the argument to pass to the target for a target specific + // relocation. + void* + target_arg() const + { + gold_assert(this->local_sym_index_ == TARGET_CODE); + return this->u1_.arg; + } + // For a local section symbol, return the offset of the input // section within the output section. ADDEND is the addend being // applied to the input section. @@ -1124,8 +1162,10 @@ class Output_reloc<elfcpp::SHT_REL, dynamic, size, big_endian> GSYM_CODE = -1U, // Output section. SECTION_CODE = -2U, + // Target specific. + TARGET_CODE = -3U, // Invalid uninitialized entry. - INVALID_CODE = -3U + INVALID_CODE = -4U }; union @@ -1143,6 +1183,9 @@ class Output_reloc<elfcpp::SHT_REL, dynamic, size, big_endian> // For a relocation against an output section // (this->local_sym_index_ == SECTION_CODE), the output section. Output_section* os; + // For a target specific relocation, an argument to pass to the + // target. + void* arg; } u1_; union { @@ -1157,11 +1200,12 @@ class Output_reloc<elfcpp::SHT_REL, dynamic, size, big_endian> // The address offset within the input section or the Output_data. Address address_; // This is GSYM_CODE for a global symbol, or SECTION_CODE for a - // relocation against an output section, or INVALID_CODE for an - // uninitialized value. Otherwise, for a local symbol - // (this->is_section_symbol_ is false), the local symbol index. For - // a local section symbol (this->is_section_symbol_ is true), the - // section index in the input file. + // relocation against an output section, or TARGET_CODE for a target + // specific relocation, or INVALID_CODE for an uninitialized value. + // Otherwise, for a local symbol (this->is_section_symbol_ is + // false), the local symbol index. For a local section symbol + // (this->is_section_symbol_ is true), the section index in the + // input file. unsigned int local_sym_index_; // The reloc type--a processor specific code. unsigned int type_ : 30; @@ -1237,7 +1281,34 @@ class Output_reloc<elfcpp::SHT_RELA, dynamic, size, big_endian> : rel_(os, type, relobj, shndx, address), addend_(addend) { } - // Return TRUE if this is a RELATIVE relocation. + // An absolute relocation with no symbol. + + Output_reloc(unsigned int type, Output_data* od, Address address, + Addend addend) + : rel_(type, od, address), addend_(addend) + { } + + Output_reloc(unsigned int type, Sized_relobj<size, big_endian>* relobj, + unsigned int shndx, Address address, Addend addend) + : rel_(type, relobj, shndx, address), addend_(addend) + { } + + // A target specific relocation. The target will be called to get + // the symbol index and the addend, passing ARG. The type and + // offset will be set as for other relocation types. + + Output_reloc(unsigned int type, void* arg, Output_data* od, + Address address, Addend addend) + : rel_(type, arg, od, address), addend_(addend) + { } + + Output_reloc(unsigned int type, void* arg, + Sized_relobj<size, big_endian>* relobj, + unsigned int shndx, Address address, Addend addend) + : rel_(type, arg, relobj, shndx, address), addend_(addend) + { } + + // Return whether this is a RELATIVE relocation. bool is_relative() const { return this->rel_.is_relative(); } @@ -1519,6 +1590,32 @@ class Output_data_reloc<elfcpp::SHT_REL, dynamic, size, big_endian> Sized_relobj<size, big_endian>* relobj, unsigned int shndx, Address address) { this->add(od, Output_reloc_type(os, type, relobj, shndx, address)); } + + // Add an absolute relocation. + + void + add_absolute(unsigned int type, Output_data* od, Address address) + { this->add(od, Output_reloc_type(type, od, address)); } + + void + add_absolute(unsigned int type, Output_data* od, + Sized_relobj<size, big_endian>* relobj, + unsigned int shndx, Address address) + { this->add(od, Output_reloc_type(type, relobj, shndx, address)); } + + // Add a target specific relocation. A target which calls this must + // define the reloc_symbol_index and reloc_addend virtual functions. + + void + add_target_specific(unsigned int type, void* arg, Output_data* od, + Address address) + { this->add(od, Output_reloc_type(type, arg, od, address)); } + + void + add_target_specific(unsigned int type, void* arg, Output_data* od, + Sized_relobj<size, big_endian>* relobj, + unsigned int shndx, Address address) + { this->add(od, Output_reloc_type(type, arg, relobj, shndx, address)); } }; // The SHT_RELA version of Output_data_reloc. @@ -1651,6 +1748,36 @@ class Output_data_reloc<elfcpp::SHT_RELA, dynamic, size, big_endian> unsigned int shndx, Address address, Addend addend) { this->add(os, Output_reloc_type(os, type, relobj, shndx, address, addend)); } + + // Add an absolute relocation. + + void + add_absolute(unsigned int type, Output_data* od, Address address, + Addend addend) + { this->add(od, Output_reloc_type(type, od, address, addend)); } + + void + add_absolute(unsigned int type, Output_data* od, + Sized_relobj<size, big_endian>* relobj, + unsigned int shndx, Address address, Addend addend) + { this->add(od, Output_reloc_type(type, relobj, shndx, address, addend)); } + + // Add a target specific relocation. A target which calls this must + // define the reloc_symbol_index and reloc_addend virtual functions. + + void + add_target_specific(unsigned int type, void* arg, Output_data* od, + Address address, Addend addend) + { this->add(od, Output_reloc_type(type, arg, od, address, addend)); } + + void + add_target_specific(unsigned int type, void* arg, Output_data* od, + Sized_relobj<size, big_endian>* relobj, + unsigned int shndx, Address address, Addend addend) + { + this->add(od, Output_reloc_type(type, arg, relobj, shndx, address, + addend)); + } }; // Output_relocatable_relocs represents a relocation section in a |