+2010-03-15 Doug Kwan <dougkwan@google.com>
+
+ * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
+ offset_.
+ (Stringpool_template::new_key_offset): New method.
+ (Stringpool_template::add_string): Assign offsets when adding new
+ strings.
+ (Stringpool_template::set_string_offsets): Do not set string offsets
+ when not optimizing.
+ * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
+ member size_.
+ (Chunked_vector::clear): Clear size_.
+ (Chunked_vector::reserve): Call reserve method of all Element_vectors.
+ (Chunked_vector::size): Return size_.
+ (Chunked_vector::push_back): Use size_ to find insert position.
+ (Chunked_vector::size_): New data member.
+ (Stringpool_template::set_no_zero_null): Assert string set is empty.
+ (Stringpool_template::new_key_offset): New method declaration.
+ (Stringpool_template::offset_): New data member.
+
2010-03-15 Rafael Espindola <espindola@google.com>
* readsyms.cc (Read_symbols::do_read_symbols): Update calls to
template<typename Stringpool_char>
Stringpool_template<Stringpool_char>::Stringpool_template()
: string_set_(), key_to_offset_(), strings_(), strtab_size_(0),
- zero_null_(true), optimize_(false)
+ zero_null_(true), optimize_(false), offset_(0)
{
if (parameters->options_valid() && parameters->options().optimize() >= 2)
this->optimize_ = true;
return this->add_with_length(s, string_length(s), copy, pkey);
}
+// Add a new key offset entry.
+
+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;
+ else
+ {
+ offset = this->offset_;
+ this->offset_ += (length + 1) * sizeof(Stringpool_char);
+ }
+ this->key_to_offset_.push_back(offset);
+}
+
template<typename Stringpool_char>
const Stringpool_char*
Stringpool_template<Stringpool_char>::add_with_length(const Stringpool_char* s,
{
// We just added the string. The key value has now been
// used.
- this->key_to_offset_.push_back(0);
+ this->new_key_offset(length);
}
else
{
return p->first.string;
}
- this->key_to_offset_.push_back(0);
+ this->new_key_offset(length);
hk.string = this->add_string(s, length);
// The contents of the string stay the same, so we don't need to
// take the time to sort when the user asks for heavy optimization.
if (!this->optimize_)
{
- for (typename String_set_type::iterator curr = this->string_set_.begin();
- curr != this->string_set_.end();
- curr++)
- {
- section_offset_type* poff = &this->key_to_offset_[curr->second - 1];
- if (this->zero_null_ && curr->first.string[0] == 0)
- *poff = 0;
- else
- {
- *poff = offset;
- offset += (curr->first.length + 1) * charsize;
- }
- }
+ // If we are not optimizing, the offsets are already assigned.
+ offset = this->offset_;
}
else
{
{
public:
Chunked_vector()
- : chunks_()
+ : chunks_(), size_(0)
{ }
// Clear the elements.
void
clear()
- { this->chunks_.clear(); }
+ {
+ this->chunks_.clear();
+ this->size_ = 0;
+ }
// Reserve elements.
void
reserve(unsigned int n)
{
- n += chunk_size - 1;
- while (n >= chunk_size)
+ if (n > this->chunks_.size() * chunk_size)
{
- this->chunks_.push_back(Element_vector());
- this->chunks_.back().reserve(chunk_size);
- n -= chunk_size;
+ this->chunks_.resize((n + chunk_size - 1) / chunk_size);
+ // We need to call reserve() of all chunks since changing
+ // this->chunks_ casues Element_vectors to be copied. The
+ // reserved capacity of an Element_vector may be lost in copying.
+ for (size_t i = 0; i < this->chunks_.size(); ++i)
+ this->chunks_[i].reserve(chunk_size);
}
}
// Get the number of elements.
size_t
size() const
- {
- if (this->chunks_.empty())
- return 0;
- else
- return ((this->chunks_.size() - 1) * chunk_size
- + this->chunks_.back().size());
- }
+ { return this->size_; }
// Push a new element on the back of the vector.
void
push_back(const Element& element)
{
- if (this->chunks_.empty() || this->chunks_.back().size() == chunk_size)
+ size_t chunk_index = this->size_ / chunk_size;
+ if (chunk_index >= this->chunks_.size())
{
this->chunks_.push_back(Element_vector());
this->chunks_.back().reserve(chunk_size);
+ gold_assert(chunk_index < this->chunks_.size());
}
- this->chunks_.back().push_back(element);
+ this->chunks_[chunk_index].push_back(element);
+ this->size_++;
}
// Return a reference to an entry in the vector.
typedef std::vector<Element_vector> Chunk_vector;
Chunk_vector chunks_;
+ size_t size_;
};
// should not be called for a proper ELF SHT_STRTAB section.
void
set_no_zero_null()
- { this->zero_null_ = false; }
+ {
+ gold_assert(this->string_set_.empty());
+ this->zero_null_ = false;
+ }
// Indicate that this string pool should be optimized, even if not
// running with -O2.
char data[1];
};
+ // Add a new key offset entry.
+ void
+ new_key_offset(size_t);
+
// Copy a string into the buffers, returning a canonical string.
const Stringpool_char*
add_string(const Stringpool_char*, size_t);
bool zero_null_;
// Whether to optimize the string table.
bool optimize_;
+ // offset of the next string.
+ section_offset_type offset_;
};
// The most common type of Stringpool.
projects / deliverable / binutils-gdb.git / commitdiff
