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authorCary Coutant <ccoutant@google.com>2010-07-12 17:59:58 +0000
committerCary Coutant <ccoutant@google.com>2010-07-12 17:59:58 +0000
commita2e4736229d6ce6f804ed26ea8d763c538de9d2c (patch)
tree25de3c95f1bf545500aa9adf3278422f477ace18 /gold/compressed_output.h
parentadd265ae415ecd40208537d1f84155f868668ef5 (diff)
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* compressed_output.cc (zlib_decompress): New function.
(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.
Diffstat (limited to 'gold/compressed_output.h')
-rw-r--r--gold/compressed_output.h14
1 files changed, 13 insertions, 1 deletions
diff --git a/gold/compressed_output.h b/gold/compressed_output.h
index 11b2762..2d6ebd9 100644
--- a/gold/compressed_output.h
+++ b/gold/compressed_output.h
@@ -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.