diff options
Diffstat (limited to 'elfcpp')
| -rw-r--r-- | elfcpp/ChangeLog | 6 | ||||
| -rw-r--r-- | elfcpp/elfcpp.h | 166 | ||||
| -rw-r--r-- | elfcpp/elfcpp_internal.h | 23 |
3 files changed, 195 insertions, 0 deletions
diff --git a/elfcpp/ChangeLog b/elfcpp/ChangeLog index e48be00..198eb92 100644 --- a/elfcpp/ChangeLog +++ b/elfcpp/ChangeLog @@ -1,3 +1,9 @@ +2016-01-11 Cary Coutant <ccoutant@gmail.com> + + * elfcpp.h (Mips64_rel, Mips64_rel_write): New classes. + (Mips64_rela, Mips64_rela_write): New classes. + * elfcpp_internal.h (Mips64_rel_data, Mips64_rela_data): New structs. + 2016-01-01 Alan Modra <amodra@gmail.com> Update year range in copyright notice of all files. diff --git a/elfcpp/elfcpp.h b/elfcpp/elfcpp.h index e0eae42..3d7039a 100644 --- a/elfcpp/elfcpp.h +++ b/elfcpp/elfcpp.h @@ -1661,6 +1661,172 @@ class Rela_write internal::Rela_data<size>* p_; }; +// MIPS-64 has a non-standard relocation layout. + +template<bool big_endian> +class Mips64_rel +{ + public: + Mips64_rel(const unsigned char* p) + : p_(reinterpret_cast<const internal::Mips64_rel_data*>(p)) + { } + + template<typename File> + Mips64_rel(File* file, typename File::Location loc) + : p_(reinterpret_cast<const internal::Mips64_rel_data*>( + file->view(loc.file_offset, loc.data_size).data())) + { } + + typename Elf_types<64>::Elf_Addr + get_r_offset() const + { return Convert<64, big_endian>::convert_host(this->p_->r_offset); } + + Elf_Word + get_r_sym() const + { return Convert<32, big_endian>::convert_host(this->p_->r_sym); } + + unsigned char + get_r_ssym() const + { return this->p_->r_ssym; } + + unsigned char + get_r_type() const + { return this->p_->r_type; } + + unsigned char + get_r_type2() const + { return this->p_->r_type2; } + + unsigned char + get_r_type3() const + { return this->p_->r_type3; } + + private: + const internal::Mips64_rel_data* p_; +}; + +template<bool big_endian> +class Mips64_rel_write +{ + public: + Mips64_rel_write(unsigned char* p) + : p_(reinterpret_cast<internal::Mips64_rel_data*>(p)) + { } + + void + put_r_offset(typename Elf_types<64>::Elf_Addr v) + { this->p_->r_offset = Convert<64, big_endian>::convert_host(v); } + + void + put_r_sym(Elf_Word v) + { this->p_->r_sym = Convert<32, big_endian>::convert_host(v); } + + void + put_r_ssym(unsigned char v) + { this->p_->r_ssym = v; } + + void + put_r_type(unsigned char v) + { this->p_->r_type = v; } + + void + put_r_type2(unsigned char v) + { this->p_->r_type2 = v; } + + void + put_r_type3(unsigned char v) + { this->p_->r_type3 = v; } + + private: + internal::Mips64_rel_data* p_; +}; + +template<bool big_endian> +class Mips64_rela +{ + public: + Mips64_rela(const unsigned char* p) + : p_(reinterpret_cast<const internal::Mips64_rela_data*>(p)) + { } + + template<typename File> + Mips64_rela(File* file, typename File::Location loc) + : p_(reinterpret_cast<const internal::Mips64_rela_data*>( + file->view(loc.file_offset, loc.data_size).data())) + { } + + typename Elf_types<64>::Elf_Addr + get_r_offset() const + { return Convert<64, big_endian>::convert_host(this->p_->r_offset); } + + Elf_Word + get_r_sym() const + { return Convert<32, big_endian>::convert_host(this->p_->r_sym); } + + unsigned char + get_r_ssym() const + { return this->p_->r_ssym; } + + unsigned char + get_r_type() const + { return this->p_->r_type; } + + unsigned char + get_r_type2() const + { return this->p_->r_type2; } + + unsigned char + get_r_type3() const + { return this->p_->r_type3; } + + typename Elf_types<64>::Elf_Swxword + get_r_addend() const + { return Convert<64, big_endian>::convert_host(this->p_->r_addend); } + + private: + const internal::Mips64_rela_data* p_; +}; + +template<bool big_endian> +class Mips64_rela_write +{ + public: + Mips64_rela_write(unsigned char* p) + : p_(reinterpret_cast<internal::Mips64_rela_data*>(p)) + { } + + void + put_r_offset(typename Elf_types<64>::Elf_Addr v) + { this->p_->r_offset = Convert<64, big_endian>::convert_host(v); } + + void + put_r_sym(Elf_Word v) + { this->p_->r_sym = Convert<32, big_endian>::convert_host(v); } + + void + put_r_ssym(unsigned char v) + { this->p_->r_ssym = v; } + + void + put_r_type(unsigned char v) + { this->p_->r_type = v; } + + void + put_r_type2(unsigned char v) + { this->p_->r_type2 = v; } + + void + put_r_type3(unsigned char v) + { this->p_->r_type3 = v; } + + void + put_r_addend(typename Elf_types<64>::Elf_Swxword v) + { this->p_->r_addend = Convert<64, big_endian>::convert_host(v); } + + private: + internal::Mips64_rela_data* p_; +}; + // Accessor classes for entries in the ELF SHT_DYNAMIC section aka // PT_DYNAMIC segment. diff --git a/elfcpp/elfcpp_internal.h b/elfcpp/elfcpp_internal.h index 7080a2d..edca55f 100644 --- a/elfcpp/elfcpp_internal.h +++ b/elfcpp/elfcpp_internal.h @@ -180,6 +180,29 @@ struct Rela_data typename Elf_types<size>::Elf_Swxword r_addend; }; +// MIPS-64 has a non-standard layout for relocations. + +struct Mips64_rel_data +{ + typename Elf_types<64>::Elf_Addr r_offset; + Elf_Word r_sym; + unsigned char r_ssym; + unsigned char r_type3; + unsigned char r_type2; + unsigned char r_type; +}; + +struct Mips64_rela_data +{ + typename Elf_types<64>::Elf_Addr r_offset; + Elf_Word r_sym; + unsigned char r_ssym; + unsigned char r_type3; + unsigned char r_type2; + unsigned char r_type; + typename Elf_types<64>::Elf_Swxword r_addend; +}; + // An entry in the ELF SHT_DYNAMIC section aka PT_DYNAMIC segment. template<int size> |