FreeChainXenon/binutils-gdb
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* compressed_output.cc (zlib_decompress): New function.

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(get_uncompressed_size): New function.
	(decompress_input_section): New function.
	* compressed_output.h (get_uncompressed_size): New function.
	(decompress_input_section): New function.
	* dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
	Handle compressed debug sections.
	* layout.cc (is_compressed_debug_section): New function.
	(Layout::output_section_name): Map compressed section names to
	canonical names.
	* layout.h (is_compressed_debug_section): New function.
	(is_debug_info_section): Recognize compressed debug sections.
	* merge.cc: Include compressed_output.h.
	(Output_merge_data::do_add_input_section): Handle compressed
	debug sections.
	(Output_merge_string::do_add_input_section): Handle compressed
	debug sections.
	* object.cc: Include compressed_output.h.
	(Sized_relobj::Sized_relobj): Initialize new data members.
	(build_compressed_section_map): New function.
	(Sized_relobj::do_read_symbols): Handle compressed debug sections.
	* object.h (Object::section_is_compressed): New method.
	(Object::do_section_is_compressed): New method.
	(Sized_relobj::Compressed_section_map): New type.
	(Sized_relobj::do_section_is_compressed): New method.
	(Sized_relobj::compressed_sections_): New data member.
	* output.cc (Output_section::add_input_section): Handle compressed
	debug sections.
	* reloc.cc: Include compressed_output.h.
	(Sized_relobj::write_sections): Handle compressed debug sections.
This commit is contained in:
Cary Coutant 2010-07-12 17:59:58 +00:00
parent add265ae41
commit a2e4736229
11 changed files with 358 additions and 17 deletions
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14
gold/compressed_output.h
View file

@ -1,6 +1,6 @@
// compressed_output.h -- compressed output sections for gold -*- C++ -*-
// Copyright 2007, 2008 Free Software Foundation, Inc.
// Copyright 2007, 2008, 2010 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of gold.
@ -37,6 +37,18 @@ namespace gold
class General_options;
// Read the compression header of a compressed debug section and return
// the uncompressed size.
extern uint64_t
get_uncompressed_size(const unsigned char*, section_size_type);
// Decompress a compressed debug section directly into the output file.
extern bool
decompress_input_section(const unsigned char*, unsigned long, unsigned char*,
unsigned long);
// This is used for a section whose data should be compressed. It is
// a regular Output_section which computes its contents into a buffer
// and then postprocesses it.