Toolchain/binutils-gdb
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2009-10-21 Doug Kwan <dougkwan@google.com>

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* arm.cc: Update copyright comments.
	(Target_arm): New forward class template declaration.
	(Arm_address): New type.
	(ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
	THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
	THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
	constants.
	(Insn_template): Same.
	(DEF_STUBS): New macro.
	(Stub_type): New enum type.
	(Stub_template): New class definition.
	(Stub): Same.
	(Reloc_stub): Same.
	(Stub_factory): Same.
	(Target_arm::Target_arm): Initialize may_use_blx_ and
	should_force_pic_veneer_.
	(Target_arm::may_use_blx, Target_arm::set_may_use_blx,
	Target_arm::should_force_pic_veneer,
	Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
	Target_arm::using_thumb_only, Target_arm:;default_target): New
	method defintions.
	(Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
	New data member declarations.
	(Insn_template::size, Insn_template::alignment): New method defintions.
	(Stub_template::Stub_template): New method definition.
	(Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
	Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
	(Stub_factory::Stub_factory): New method definition.
	* gold.h (string_hash): New template.
	* output.h (Input_section_specifier::hash_value): Use
	gold::string_hash.
	(Input_section_specifier::string_hash): Remove.
	* stringpool.cc (Stringpool_template::string_hash): Use
	gold::string_hash.
This commit is contained in:
Doug Kwan
2009-10-21 08:08:41 +00:00
parent 550e3caf22
commit b569affa94
5 changed files with 1222 additions and 24 deletions
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11
gold/stringpool.cc
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@@ -153,16 +153,7 @@ size_t
Stringpool_template<Stringpool_char>::string_hash(const Stringpool_char* s,
size_t length)
{
// This is the hash function used by the dynamic linker for
// DT_GNU_HASH entries. I compared this to a Fowler/Noll/Vo hash
// for a C++ program with 385,775 global symbols. This hash
// function was very slightly worse. However, it is much faster to
// compute. Overall wall clock time was a win.
const unsigned char* p = reinterpret_cast<const unsigned char*>(s);
size_t h = 5381;
for (size_t i = 0; i < length * sizeof(Stringpool_char); ++i)
h = h * 33 + *p++;
return h;
return gold::string_hash<Stringpool_char>(s, length);
}
// Add the string S to the list of canonical strings. Return a