diff options
Diffstat (limited to 'gold/incremental.h')
| -rw-r--r-- | gold/incremental.h | 83 |
1 files changed, 77 insertions, 6 deletions
diff --git a/gold/incremental.h b/gold/incremental.h index 6fb1a32..c1f3c99 100644 --- a/gold/incremental.h +++ b/gold/incremental.h @@ -131,10 +131,12 @@ class Incremental_binary find_incremental_inputs_sections(unsigned int* p_inputs_shndx, unsigned int* p_symtab_shndx, unsigned int* p_relocs_shndx, + unsigned int* p_got_plt_shndx, unsigned int* p_strtab_shndx) { return do_find_incremental_inputs_sections(p_inputs_shndx, p_symtab_shndx, - p_relocs_shndx, p_strtab_shndx); + p_relocs_shndx, p_got_plt_shndx, + p_strtab_shndx); } // Check the .gnu_incremental_inputs section to see whether an incremental @@ -153,6 +155,7 @@ class Incremental_binary do_find_incremental_inputs_sections(unsigned int* p_inputs_shndx, unsigned int* p_symtab_shndx, unsigned int* p_relocs_shndx, + unsigned int* p_got_plt_shndx, unsigned int* p_strtab_shndx) = 0; // Check the .gnu_incremental_inputs section to see whether an incremental @@ -182,6 +185,7 @@ class Sized_incremental_binary : public Incremental_binary do_find_incremental_inputs_sections(unsigned int* p_inputs_shndx, unsigned int* p_symtab_shndx, unsigned int* p_relocs_shndx, + unsigned int* p_got_plt_shndx, unsigned int* p_strtab_shndx); virtual bool @@ -577,6 +581,11 @@ class Incremental_inputs relocs_section() const { return this->relocs_section_; } + // Return the .gnu_incremental_got_plt section. + Output_data_space* + got_plt_section() const + { return this->got_plt_section_; } + // Return the .gnu_incremental_strtab stringpool. Stringpool* get_stringpool() const @@ -635,6 +644,9 @@ class Incremental_inputs // The .gnu_incremental_relocs section. Output_data_space* relocs_section_; + // The .gnu_incremental_got_plt section. + Output_data_space* got_plt_section_; + // Total count of incremental relocations. Updated during Scan_relocs // phase at the completion of each object file. unsigned int reloc_count_; @@ -889,7 +901,7 @@ class Incremental_symtab_reader { } // Return the list head for symbol table entry N. - unsigned int get_list_head(unsigned int n) + unsigned int get_list_head(unsigned int n) const { return elfcpp::Swap<32, big_endian>::readval(this->p_ + 4 * n); } private: @@ -918,28 +930,28 @@ class Incremental_relocs_reader // Return the relocation type for relocation entry at offset OFF. unsigned int - get_r_type(unsigned int off) + get_r_type(unsigned int off) const { return elfcpp::Swap<32, big_endian>::readval(this->p_ + off); } // Return the output section index for relocation entry at offset OFF. unsigned int - get_r_shndx(unsigned int off) + get_r_shndx(unsigned int off) const { return elfcpp::Swap<32, big_endian>::readval(this->p_ + off + 4); } // Return the output section offset for relocation entry at offset OFF. Address - get_r_offset(unsigned int off) + get_r_offset(unsigned int off) const { return elfcpp::Swap<size, big_endian>::readval(this->p_ + off + 8); } // Return the addend for relocation entry at offset OFF. Addend - get_r_addend(unsigned int off) + get_r_addend(unsigned int off) const { return elfcpp::Swap<size, big_endian>::readval(this->p_ + off + 8 + this->field_size); @@ -950,6 +962,65 @@ class Incremental_relocs_reader const unsigned char* p_; }; +// Reader class for the .gnu_incremental_got_plt section. + +template<bool big_endian> +class Incremental_got_plt_reader +{ + public: + Incremental_got_plt_reader(const unsigned char* p) : p_(p) + { + this->got_count_ = elfcpp::Swap<32, big_endian>::readval(p); + this->got_desc_p_ = p + 8 + ((this->got_count_ + 3) & ~3); + this->plt_desc_p_ = this->got_desc_p_ + this->got_count_ * 4; + } + + // Return the GOT entry count. + unsigned int + get_got_entry_count() const + { + return this->got_count_; + } + + // Return the PLT entry count. + unsigned int + get_plt_entry_count() const + { + return elfcpp::Swap<32, big_endian>::readval(this->p_ + 4); + } + + // Return the GOT type for GOT entry N. + unsigned int + get_got_type(unsigned int n) + { + return this->p_[8 + n]; + } + + // Return the GOT descriptor for GOT entry N. + unsigned int + get_got_desc(unsigned int n) + { + return elfcpp::Swap<32, big_endian>::readval(this->got_desc_p_ + n * 4); + } + + // Return the PLT descriptor for PLT entry N. + unsigned int + get_plt_desc(unsigned int n) + { + return elfcpp::Swap<32, big_endian>::readval(this->plt_desc_p_ + n * 4); + } + + private: + // Base address of the .gnu_incremental_got_plt section. + const unsigned char* p_; + // GOT entry count. + unsigned int got_count_; + // Base address of the GOT descriptor array. + const unsigned char* got_desc_p_; + // Base address of the PLT descriptor array. + const unsigned char* plt_desc_p_; +}; + } // End namespace gold. #endif // !defined(GOLD_INCREMENTAL_H) |