X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gold%2Fincremental.h;h=e072b96fcb29fb7fe17fbdd46360b60e37bd92ca;hb=b6fb30eda72b7fc3a6214ed2787f80971f66810d;hp=b631ae225f6a6a2f8b553ba3d3acfb6eca1ae9f1;hpb=c1027032c2fec15b7a334a09bab8882984716764;p=deliverable%2Fbinutils-gdb.git diff --git a/gold/incremental.h b/gold/incremental.h index b631ae225f..e072b96fcb 100644 --- a/gold/incremental.h +++ b/gold/incremental.h @@ -1,6 +1,6 @@ // inremental.h -- incremental linking support for gold -*- C++ -*- -// Copyright 2009, 2010, 2011 Free Software Foundation, Inc. +// Copyright (C) 2009-2020 Free Software Foundation, Inc. // Written by Mikolaj Zalewski . // This file is part of gold. @@ -304,10 +304,10 @@ class Incremental_script_entry : public Incremental_input_entry { public: Incremental_script_entry(Stringpool::Key filename_key, - unsigned int arg_serial, Script_info* script, + unsigned int arg_serial, Script_info* /*script*/, Timespec mtime) : Incremental_input_entry(filename_key, arg_serial, mtime), - script_(script), objects_() + objects_() { } // Add a member object to the archive. @@ -341,8 +341,6 @@ class Incremental_script_entry : public Incremental_input_entry { return this; } private: - // Information about the script file. - Script_info* script_; // Objects that have been included by this script. std::vector objects_; }; @@ -758,6 +756,23 @@ class Incremental_inputs_reader typedef elfcpp::Swap<64, big_endian> Swap64; public: + // Size of the .gnu_incremental_inputs header. + // (3 x 4-byte fields, plus 4 bytes padding.) + static const unsigned int header_size = 16; + // Size of an input file entry. + // (2 x 4-byte fields, 1 x 12-byte field, 2 x 2-byte fields.) + static const unsigned int input_entry_size = 24; + // Size of the first part of the supplemental info block for + // relocatable objects and archive members. + // (7 x 4-byte fields, plus 4 bytes padding.) + static const unsigned int object_info_size = 32; + // Size of an input section entry. + // (2 x 4-byte fields, 2 x address-sized fields.) + static const unsigned int input_section_entry_size = 8 + 2 * size / 8; + // Size of a global symbol entry in the supplemental info block. + // (5 x 4-byte fields.) + static const unsigned int global_sym_entry_size = 20; + Incremental_inputs_reader() : p_(NULL), strtab_(NULL, 0), input_file_count_(0) { } @@ -788,6 +803,14 @@ class Incremental_inputs_reader // Reader class for an input file entry and its supplemental info. class Incremental_input_entry_reader { + private: + static const unsigned int object_info_size = + Incremental_inputs_reader::object_info_size; + static const unsigned int input_section_entry_size = + Incremental_inputs_reader::input_section_entry_size; + static const unsigned int global_sym_entry_size = + Incremental_inputs_reader::global_sym_entry_size; + public: Incremental_input_entry_reader(const Incremental_inputs_reader* inputs, unsigned int offset) @@ -866,9 +889,10 @@ class Incremental_inputs_reader || this->type() == INCREMENTAL_INPUT_ARCHIVE_MEMBER); unsigned int section_count = this->get_input_section_count(); - return (this->info_offset_ + 28 - + section_count * input_section_entry_size - + symndx * 20); + return (this->info_offset_ + + this->object_info_size + + section_count * this->input_section_entry_size + + symndx * this->global_sym_entry_size); } // Return the global symbol count -- for objects & shared libraries only. @@ -1001,8 +1025,9 @@ class Incremental_inputs_reader { Input_section_info info; const unsigned char* p = (this->inputs_->p_ - + this->info_offset_ + 28 - + n * input_section_entry_size); + + this->info_offset_ + + this->object_info_size + + n * this->input_section_entry_size); unsigned int name_offset = Swap32::readval(p); info.name = this->inputs_->get_string(name_offset); info.output_shndx = Swap32::readval(p + 4); @@ -1019,9 +1044,10 @@ class Incremental_inputs_reader || this->type() == INCREMENTAL_INPUT_ARCHIVE_MEMBER); unsigned int section_count = this->get_input_section_count(); const unsigned char* p = (this->inputs_->p_ - + this->info_offset_ + 28 - + section_count * input_section_entry_size - + n * 20); + + this->info_offset_ + + this->object_info_size + + section_count * this->input_section_entry_size + + n * this->global_sym_entry_size); return Incremental_global_symbol_reader(p); } @@ -1032,9 +1058,10 @@ class Incremental_inputs_reader unsigned int section_count = this->get_input_section_count(); unsigned int symbol_count = this->get_global_symbol_count(); const unsigned char* p = (this->inputs_->p_ - + this->info_offset_ + 28 - + section_count * input_section_entry_size - + symbol_count * 20 + + this->info_offset_ + + this->object_info_size + + section_count * this->input_section_entry_size + + symbol_count * this->global_sym_entry_size + n * 4); unsigned int name_offset = Swap32::readval(p); return this->inputs_->get_string(name_offset); @@ -1072,8 +1099,6 @@ class Incremental_inputs_reader } private: - // Size of an input section entry. - static const unsigned int input_section_entry_size = 8 + 2 * size / 8; // The reader instance for the containing section. const Incremental_inputs_reader* inputs_; // The flags, including the type of input file. @@ -1089,14 +1114,14 @@ class Incremental_inputs_reader input_file_offset(unsigned int n) const { gold_assert(n < this->input_file_count_); - return 16 + n * 24; + return this->header_size + n * this->input_entry_size; } // Return the index of an input file entry given its OFFSET. unsigned int input_file_index(unsigned int offset) const { - int n = (offset - 16) / 24; + int n = ((offset - this->header_size) / this->input_entry_size); gold_assert(input_file_offset(n) == offset); return n; } @@ -1110,7 +1135,8 @@ class Incremental_inputs_reader Incremental_input_entry_reader input_file_at_offset(unsigned int offset) const { - gold_assert(offset < 16 + this->input_file_count_ * 24); + gold_assert(offset < (this->header_size + + this->input_file_count_ * this->input_entry_size)); return Incremental_input_entry_reader(this, offset); } @@ -1314,9 +1340,9 @@ class Incremental_got_plt_reader class Incremental_binary { public: - Incremental_binary(Output_file* output, Target* target) + Incremental_binary(Output_file* output, Target* /*target*/) : input_args_map_(), library_map_(), script_map_(), - output_(output), target_(target) + output_(output) { } virtual @@ -1342,6 +1368,9 @@ class Incremental_binary Input_reader() { } + Input_reader(const Input_reader&) + { } + virtual ~Input_reader() { } @@ -1554,8 +1583,6 @@ class Incremental_binary private: // Edited output file object. Output_file* output_; - // Target of the output file. - Target* target_; }; template @@ -1684,6 +1711,10 @@ class Sized_incremental_binary : public Incremental_binary : Input_reader(), reader_(r) { } + Sized_input_reader(const Sized_input_reader& r) + : Input_reader(), reader_(r.reader_) + { } + virtual ~Sized_input_reader() { } @@ -1877,7 +1908,7 @@ class Sized_relobj_incr : public Sized_relobj // Get the name of a section. std::string - do_section_name(unsigned int shndx); + do_section_name(unsigned int shndx) const; // Return a view of the contents of a section. const unsigned char* @@ -1934,6 +1965,10 @@ class Sized_relobj_incr : public Sized_relobj do_local_plt_offset(unsigned int) const { gold_unreachable(); } + bool + do_local_is_tls(unsigned int) const + { gold_unreachable(); } + // Return the number of local symbols. unsigned int do_local_symbol_count() const @@ -2084,7 +2119,7 @@ class Sized_incr_dynobj : public Dynobj // Get the name of a section. std::string - do_section_name(unsigned int shndx); + do_section_name(unsigned int shndx) const; // Return a view of the contents of a section. const unsigned char*