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authorH.J. Lu <hjl.tools@gmail.com>2015-07-12 10:50:25 -0700
committerH.J. Lu <hjl.tools@gmail.com>2015-07-12 10:50:40 -0700
commit480586639d6b814b2e87f6f106b8635cf7442b20 (patch)
tree8fcd160ca3fd8b27770e883a58937c1e50e3bc38 /gold/object.h
parent8d6dbeb44ca93b836e3af8f8d3993997bf347112 (diff)
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Add SHF_COMPRESSED section decompression to gold
This patch adds SHF_COMPRESSED section decompression to gold. PR gold/18321 * compressed_output.h (decompress_input_section): Add arguments for ELF class, big endian and sh_flags. * compressed_output.cc (decompress_input_section): Likewise. Support the SHF_COMPRESSED section. * dynobj.h (Dynobj): Add elfsize and is_big_endian member functions. * plugin.h (Pluginobj): Likewise. * layout.cc (Layout::get_output_section_flags): Also clear the SHF_COMPRESSED bit. * object.h (Compressed_section_info): Add flag to store sh_flags. (Object): Add pure virtual elfsize and is_big_endian member functions. * object.cc (need_decompressed_section): Don't skip the ".zdebug" prefix here. (build_compressed_section_map): Check SHF_COMPRESSED for uncompressed size. Store sh_flags in Compressed_section_info. Pass size, big_endian and sh_flags to decompress_input_section. Skip the ".debug"/".zdebug" prefix when passing section name to need_decompressed_section. (Sized_relobj_file<size, big_endian>::do_find_special_section): Don't check ".zdebug_*" sections. (Object::decompressed_section_contents): Pass ELF class, big endian and sh_flags to decompress_input_section. * reloc.cc (Sized_relobj_file<size, big_endian>::write_sections): Likewise. * testsuite/Makefile.am (check_DATA): Add debug_msg_cdebug_gabi.err and gdb_index_test_2_gabi.stdout. (MOSTLYCLEANFILES): Add debug_msg_cdebug_gabi.err and gdb_index_test_2_gabi.stdout. (debug_msg_cdebug_gabi.o): New. (odr_violation1_cdebug_gabi.o): Likewise. (odr_violation2_cdebug_gabi.o): Likewise. (debug_msg_cdebug_gabi.err): Likewise. (check_SCRIPTS): Add gdb_index_test_2_gabi.sh. (gdb_index_test_cdebug_gabi.o): Likewise. (gdb_index_test_2_gabi): Likewise. (gdb_index_test_2_gabi.stdout): Likewise. * testsuite/gdb_index_test_2_gabi.sh: New file. * testsuite/Makefile.in: Regenerated.
Diffstat (limited to 'gold/object.h')
-rw-r--r--gold/object.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/gold/object.h b/gold/object.h
index a3d5d0e..e8f74ac 100644
--- a/gold/object.h
+++ b/gold/object.h
@@ -320,6 +320,7 @@ class Got_offset_list
struct Compressed_section_info
{
section_size_type size;
+ elfcpp::Elf_Xword flag;
const unsigned char* contents;
};
typedef std::map<unsigned int, Compressed_section_info> Compressed_section_map;
@@ -380,6 +381,12 @@ class Object
is_dynamic() const
{ return this->is_dynamic_; }
+ // Return the word size of the object file.
+ virtual int elfsize() const = 0;
+
+ // Return TRUE if this is a big-endian object file.
+ virtual bool is_big_endian() const = 0;
+
// Return whether this object is needed--true if it is a dynamic
// object which defines some symbol referenced by a regular object.
// We keep the flag here rather than in Dynobj for convenience when