include/elf:
* common.h (SHT_GNU_INCREMENTAL_INPUTS): Define. elfcpp: * elfcpp.h (SHT_GNU_INCREMENTAL_INPUTS): Define. gold: * incremental.cc: New file. * Makefile.am (CCFILES): Add incremental.cc. * Makefile.in: Rebuild.
This commit is contained in:
Ian Lance Taylor
parent
6c7a06a3fa
commit
0e87992779
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@ -1,3 +1,7 @@
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2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
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* elfcpp.h (SHT_GNU_INCREMENTAL_INPUTS): Define.
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2009-03-01 Ian Lance Taylor <iant@google.com>
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* elfcpp_swap.h: #include "config.h". Only #include <byteswap.h>
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@ -4,7 +4,7 @@
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// Written by Ian Lance Taylor <iant@google.com>.
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// This file is part of elfcpp.
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public License
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// as published by the Free Software Foundation; either version 2, or
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@ -351,6 +351,8 @@ enum SHT
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SHT_LOUSER = 0x80000000,
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SHT_HIUSER = 0xffffffff,
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// The remaining values are not in the standard.
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// Incremental build data.
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SHT_GNU_INCREMENTAL_INPUTS = 0x6fff4700,
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// Object attributes.
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SHT_GNU_ATTRIBUTES = 0x6ffffff5,
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// GNU style dynamic hash table.
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@ -934,7 +936,7 @@ class Ehdr_write
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void
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put_e_type(Elf_Half v)
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{ this->p_->e_type = Convert<16, big_endian>::convert_host(v); }
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void
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put_e_machine(Elf_Half v)
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{ this->p_->e_machine = Convert<16, big_endian>::convert_host(v); }
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@ -1,3 +1,9 @@
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2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
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* incremental.cc: New file.
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* Makefile.am (CCFILES): Add incremental.cc.
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* Makefile.in: Rebuild.
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2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
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* layout.cc (Layout::output_section_name): Preserve names
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@ -51,6 +51,7 @@ CCFILES = \
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gc.cc \
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gold.cc \
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gold-threads.cc \
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incremental.cc \
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layout.cc \
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mapfile.cc \
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merge.cc \
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@ -80,13 +80,14 @@ am__objects_1 = archive.$(OBJEXT) binary.$(OBJEXT) common.$(OBJEXT) \
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dirsearch.$(OBJEXT) dynobj.$(OBJEXT) dwarf_reader.$(OBJEXT) \
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ehframe.$(OBJEXT) errors.$(OBJEXT) expression.$(OBJEXT) \
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fileread.$(OBJEXT) gc.$(OBJEXT) gold.$(OBJEXT) \
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gold-threads.$(OBJEXT) layout.$(OBJEXT) mapfile.$(OBJEXT) \
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merge.$(OBJEXT) object.$(OBJEXT) options.$(OBJEXT) \
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output.$(OBJEXT) parameters.$(OBJEXT) plugin.$(OBJEXT) \
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readsyms.$(OBJEXT) reduced_debug_output.$(OBJEXT) \
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reloc.$(OBJEXT) resolve.$(OBJEXT) script-sections.$(OBJEXT) \
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script.$(OBJEXT) stringpool.$(OBJEXT) symtab.$(OBJEXT) \
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target-select.$(OBJEXT) version.$(OBJEXT) workqueue.$(OBJEXT) \
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gold-threads.$(OBJEXT) incremental.$(OBJEXT) layout.$(OBJEXT) \
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mapfile.$(OBJEXT) merge.$(OBJEXT) object.$(OBJEXT) \
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options.$(OBJEXT) output.$(OBJEXT) parameters.$(OBJEXT) \
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plugin.$(OBJEXT) readsyms.$(OBJEXT) \
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reduced_debug_output.$(OBJEXT) reloc.$(OBJEXT) \
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resolve.$(OBJEXT) script-sections.$(OBJEXT) script.$(OBJEXT) \
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stringpool.$(OBJEXT) symtab.$(OBJEXT) target-select.$(OBJEXT) \
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version.$(OBJEXT) workqueue.$(OBJEXT) \
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workqueue-threads.$(OBJEXT)
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am__objects_2 =
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am__objects_3 = yyscript.$(OBJEXT)
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@ -333,6 +334,7 @@ CCFILES = \
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gc.cc \
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gold.cc \
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gold-threads.cc \
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incremental.cc \
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layout.cc \
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mapfile.cc \
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merge.cc \
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@ -553,6 +555,7 @@ distclean-compile:
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/gold-threads.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/gold.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/i386.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/incremental.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/layout.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/main.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mapfile.Po@am__quote@
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@ -0,0 +1,145 @@
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// inremental.cc -- incremental linking support for gold
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// Copyright 2009 Free Software Foundation, Inc.
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// Written by Mikolaj Zalewski <mikolajz@google.com>.
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// This file is part of gold.
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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// MA 02110-1301, USA.
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#include "gold.h"
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#include "elfcpp.h"
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using elfcpp::Convert;
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namespace gold {
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// Version information. Will change frequently during the development, later
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// we could think about backward (and forward?) compatibility.
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const int INCREMENTAL_LINK_VERSION = 1;
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namespace internal {
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// Header of the .gnu_incremental_input section.
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struct Incremental_input_header_data
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{
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// Incremental linker version.
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elfcpp::Elf_Word version;
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// Numer of input files in the link.
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elfcpp::Elf_Word input_file_count;
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// Offset of command line options in .gnu_incremental_strtab.
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elfcpp::Elf_Word command_line_offset;
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// Padding.
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elfcpp::Elf_Word reserved;
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};
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// Data stored in .gnu_incremental_input after the header for each of the
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// Incremental_input_header_data::input_file_count input entries.
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struct Incremental_input_entry_data
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{
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// Offset of file name in .gnu_incremental_strtab section.
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elfcpp::Elf_Word filename_offset;
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// Offset of data in .gnu_incremental_input.
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elfcpp::Elf_Word data_offset;
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// Timestamp (in seconds).
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elfcpp::Elf_Xword timestamp_sec;
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// Nano-second part of timestamp (if supported).
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elfcpp::Elf_Word timestamp_usec;
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// Type of the input entry.
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elfcpp::Elf_Half input_type;
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// Padding.
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elfcpp::Elf_Half reserved;
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};
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}
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// Accessors.
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// See internal::Incremental_input_header for fields descriptions.
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template<int size, bool big_endian>
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class Incremental_input_header_write
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{
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public:
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Incremental_input_header_write(unsigned char *p)
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: p_(reinterpret_cast<internal::Incremental_input_header_data>(p))
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{ }
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void
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put_version(elfcpp::Elf_Word v)
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{ this->p_->version = Convert<32, big_endian>::convert_host(v); }
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void
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input_file_count(elfcpp::Elf_Word v)
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{ this->p_->input_file_count = Convert<32, big_endian>::convert_host(v); }
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void
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command_line_offset(elfcpp::Elf_Word v)
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{ this->p_->command_line_offset = Convert<32, big_endian>::convert_host(v); }
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void
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reserved(elfcpp::Elf_Word v)
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{ this->p_->reserved = Convert<32, big_endian>::convert_host(v); }
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private:
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internal::Incremental_input_header_data* p_;
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};
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// See internal::Incremental_input_entry for fields descriptions.
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template<int size, bool big_endian>
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class Incremental_input_entry_write
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{
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public:
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Incremental_input_entry_write(unsigned char *p)
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: p_(reinterpret_cast<internal::Incremental_input_entry_data>(p))
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{ }
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void
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put_filename_offset(elfcpp::Elf_Word v)
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{ this->p_->filename_offset = Convert<32, big_endian>::convert_host(v); }
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void
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put_data_offset(elfcpp::Elf_Word v)
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{ this->p_->data_offset = Convert<32, big_endian>::convert_host(v); }
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void
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put_timestamp_sec(elfcpp::Elf_Word v)
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{ this->p_->timestamp_sec = Convert<32, big_endian>::convert_host(v); }
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void
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put_timestamp_usec(elfcpp::Elf_Word v)
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{ this->p_->timestamp_usec = Convert<32, big_endian>::convert_host(v); }
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void
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put_input_type(elfcpp::Elf_Word v)
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{ this->p_->input_type = Convert<32, big_endian>::convert_host(v); }
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void
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put_reserved(elfcpp::Elf_Word v)
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{ this->p_->reserved = Convert<32, big_endian>::convert_host(v); }
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private:
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internal::Incremental_input_entry_data* p_;
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};
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} // End namespace gold.
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@ -1,3 +1,7 @@
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2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
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* common.h (SHT_GNU_INCREMENTAL_INPUTS): Define.
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2009-03-14 Mark Kettenis <kettenis@gnu.org>
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* common.h (NT_OPENBSD_PROCINFO, NT_OPENBSD_AUXV)
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@ -397,6 +397,7 @@
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#define SHT_LOOS 0x60000000 /* First of OS specific semantics */
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#define SHT_HIOS 0x6fffffff /* Last of OS specific semantics */
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#define SHT_GNU_INCREMENTAL_INPUTS 0x6fff4700 /* incremental build data */
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#define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* Object attributes */
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#define SHT_GNU_HASH 0x6ffffff6 /* GNU style symbol hash table */
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#define SHT_GNU_LIBLIST 0x6ffffff7 /* List of prelink dependencies */
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