2010-03-19 Doug Kwan <dougkwan@google.com>

* arm.cc (Stub_table::Stub_table): Initialize new data members
	Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
	(Stub_table::add_reloc_stub): Assign stub offset and update
	Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
	(Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
	New data members.
 	(Stub_table::update_data_size_and_addralign): Use
	Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
	instead of going over all reloc stubs.
 	(Stub_table::finalize_stubs): Do not assign reloc stub offsets.
	* stringpool.cc (Stringpool_template::Stringpool_template): Initialize
	Stringpool_template::offset_ to size of Stringpool_char.
 	(Stringpool_template::new_key_offset): Remove code to initialize
	Stringpool_template::offset_.
	* stringpool.h (Stringpool_template::set_no_zero_null): Set
	Stringpool_template::offset_ to zero.
This commit is contained in:
Doug Kwan 2010-03-19 19:11:21 +00:00
parent 2078179266
commit d099120c64
4 changed files with 42 additions and 33 deletions

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@ -1,3 +1,22 @@
2010-03-19 Doug Kwan <dougkwan@google.com>
* arm.cc (Stub_table::Stub_table): Initialize new data members
Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
(Stub_table::add_reloc_stub): Assign stub offset and update
Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
(Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
New data members.
(Stub_table::update_data_size_and_addralign): Use
Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
instead of going over all reloc stubs.
(Stub_table::finalize_stubs): Do not assign reloc stub offsets.
* stringpool.cc (Stringpool_template::Stringpool_template): Initialize
Stringpool_template::offset_ to size of Stringpool_char.
(Stringpool_template::new_key_offset): Remove code to initialize
Stringpool_template::offset_.
* stringpool.h (Stringpool_template::set_no_zero_null): Set
Stringpool_template::offset_ to zero.
2010-03-15 Doug Kwan <dougkwan@google.com>
* stringpool.cc (Stringpool_template::Stringpool_template): Initialize

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@ -868,8 +868,9 @@ class Stub_table : public Output_data
{
public:
Stub_table(Arm_input_section<big_endian>* owner)
: Output_data(), owner_(owner), reloc_stubs_(), cortex_a8_stubs_(),
arm_v4bx_stubs_(0xf), prev_data_size_(0), prev_addralign_(1)
: Output_data(), owner_(owner), reloc_stubs_(), reloc_stubs_size_(0),
reloc_stubs_addralign_(1), cortex_a8_stubs_(), arm_v4bx_stubs_(0xf),
prev_data_size_(0), prev_addralign_(1)
{ }
~Stub_table()
@ -902,6 +903,15 @@ class Stub_table : public Output_data
const Stub_template* stub_template = stub->stub_template();
gold_assert(stub_template->type() == key.stub_type());
this->reloc_stubs_[key] = stub;
// Assign stub offset early. We can do this because we never remove
// reloc stubs and they are in the beginning of the stub table.
uint64_t align = stub_template->alignment();
this->reloc_stubs_size_ = align_address(this->reloc_stubs_size_, align);
stub->set_offset(this->reloc_stubs_size_);
this->reloc_stubs_size_ += stub_template->size();
this->reloc_stubs_addralign_ =
std::max(this->reloc_stubs_addralign_, align);
}
// Add a Cortex-A8 STUB that fixes up a THUMB branch at ADDRESS.
@ -1010,6 +1020,10 @@ class Stub_table : public Output_data
Arm_input_section<big_endian>* owner_;
// The relocation stubs.
Reloc_stub_map reloc_stubs_;
// Size of reloc stubs.
off_t reloc_stubs_size_;
// Maximum address alignment of reloc stubs.
uint64_t reloc_stubs_addralign_;
// The cortex_a8_stubs.
Cortex_a8_stub_list cortex_a8_stubs_;
// The Arm V4BX relocation stubs.
@ -4720,20 +4734,9 @@ template<bool big_endian>
bool
Stub_table<big_endian>::update_data_size_and_addralign()
{
off_t size = 0;
unsigned addralign = 1;
// Go over all stubs in table to compute data size and address alignment.
for (typename Reloc_stub_map::const_iterator p = this->reloc_stubs_.begin();
p != this->reloc_stubs_.end();
++p)
{
const Stub_template* stub_template = p->second->stub_template();
addralign = std::max(addralign, stub_template->alignment());
size = (align_address(size, stub_template->alignment())
+ stub_template->size());
}
off_t size = this->reloc_stubs_size_;
unsigned addralign = this->reloc_stubs_addralign_;
for (Cortex_a8_stub_list::const_iterator p = this->cortex_a8_stubs_.begin();
p != this->cortex_a8_stubs_.end();
@ -4778,19 +4781,7 @@ template<bool big_endian>
void
Stub_table<big_endian>::finalize_stubs()
{
off_t off = 0;
for (typename Reloc_stub_map::const_iterator p = this->reloc_stubs_.begin();
p != this->reloc_stubs_.end();
++p)
{
Reloc_stub* stub = p->second;
const Stub_template* stub_template = stub->stub_template();
uint64_t stub_addralign = stub_template->alignment();
off = align_address(off, stub_addralign);
stub->set_offset(off);
off += stub_template->size();
}
off_t off = this->reloc_stubs_size_;
for (Cortex_a8_stub_list::const_iterator p = this->cortex_a8_stubs_.begin();
p != this->cortex_a8_stubs_.end();
++p)

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@ -36,7 +36,7 @@ namespace gold
template<typename Stringpool_char>
Stringpool_template<Stringpool_char>::Stringpool_template()
: string_set_(), key_to_offset_(), strings_(), strtab_size_(0),
zero_null_(true), optimize_(false), offset_(0)
zero_null_(true), optimize_(false), offset_(sizeof(Stringpool_char))
{
if (parameters->options_valid() && parameters->options().optimize() >= 2)
this->optimize_ = true;
@ -238,9 +238,6 @@ template<typename Stringpool_char>
void
Stringpool_template<Stringpool_char>::new_key_offset(size_t length)
{
if (this->key_to_offset_.size() == 0)
this->offset_ = this->zero_null_ ? sizeof(Stringpool_char) : 0;
section_offset_type offset;
if (this->zero_null_ && length == 0)
offset = 0;

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@ -178,8 +178,10 @@ class Stringpool_template
void
set_no_zero_null()
{
gold_assert(this->string_set_.empty());
gold_assert(this->string_set_.empty()
&& this->offset_ == sizeof(Stringpool_char));
this->zero_null_ = false;
this->offset_ = 0;
}
// Indicate that this string pool should be optimized, even if not