// stringpool.cc -- a string pool for gold
-// Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
+// Copyright (C) 2006-2019 Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
// This file is part of gold.
{
template<typename Stringpool_char>
-Stringpool_template<Stringpool_char>::Stringpool_template()
+Stringpool_template<Stringpool_char>::Stringpool_template(uint64_t addralign)
: string_set_(), key_to_offset_(), strings_(), strtab_size_(0),
- zero_null_(true), optimize_(false), offset_(sizeof(Stringpool_char))
+ zero_null_(true), optimize_(false), offset_(sizeof(Stringpool_char)),
+ addralign_(addralign)
{
- if (parameters->options_valid() && parameters->options().optimize() >= 2)
+ if (parameters->options_valid()
+ && parameters->options().optimize() >= 2
+ && addralign <= sizeof(Stringpool_char))
this->optimize_ = true;
}
{
this->key_to_offset_.reserve(n);
-#if defined(HAVE_TR1_UNORDERED_MAP)
+#if defined(HAVE_UNORDERED_MAP)
+ this->string_set_.rehash(this->string_set_.size() + n);
+ return;
+#elif defined(HAVE_TR1_UNORDERED_MAP)
// rehash() implementation is broken in gcc 4.0.3's stl
//this->string_set_.rehash(this->string_set_.size() + n);
//return;
this->string_set_.swap(new_string_set);
}
-// Return the length of a string of arbitrary character type.
-
-template<typename Stringpool_char>
-size_t
-Stringpool_template<Stringpool_char>::string_length(const Stringpool_char* p)
-{
- size_t len = 0;
- for (; *p != 0; ++p)
- ++len;
- return len;
-}
-
-// Specialize string_length for char. Maybe we could just use
-// std::char_traits<>::length?
-
-template<>
-inline size_t
-Stringpool_template<char>::string_length(const char* p)
-{
- return strlen(p);
-}
-
// Compare two strings of arbitrary character type for equality.
template<typename Stringpool_char>
alc = sizeof(Stringdata) + buffer_size;
else
{
- Stringdata *psd = this->strings_.front();
+ Stringdata* psd = this->strings_.front();
if (len > psd->alc - psd->len)
alc = sizeof(Stringdata) + buffer_size;
else
}
}
- Stringdata *psd = reinterpret_cast<Stringdata*>(new char[alc]);
+ Stringdata* psd = reinterpret_cast<Stringdata*>(new char[alc]);
psd->alc = alc - sizeof(Stringdata);
memcpy(psd->data, s, len - sizeof(Stringpool_char));
memset(psd->data + len - sizeof(Stringpool_char), 0,
else
{
offset = this->offset_;
- this->offset_ += (length + 1) * sizeof(Stringpool_char);
+ // Align strings.
+ offset = align_address(offset, this->addralign_);
+ this->offset_ = offset + (length + 1) * sizeof(Stringpool_char);
}
this->key_to_offset_.push_back(offset);
}
if (this->zero_null_ && (*curr)->first.string[0] == 0)
this_offset = 0;
else if (last != v.end()
+ && ((((*curr)->first.length - (*last)->first.length)
+ % this->addralign_) == 0)
&& is_suffix((*curr)->first.string,
(*curr)->first.length,
(*last)->first.string,
* charsize));
else
{
- this_offset = offset;
- offset += ((*curr)->first.length + 1) * charsize;
+ this_offset = align_address(offset, this->addralign_);
+ offset = this_offset + ((*curr)->first.length + 1) * charsize;
}
this->key_to_offset_[(*curr)->second - 1] = this_offset;
last_offset = this_offset;
void
Stringpool_template<Stringpool_char>::print_stats(const char* name) const
{
-#if defined(HAVE_TR1_UNORDERED_MAP) || defined(HAVE_EXT_HASH_MAP)
+#if defined(HAVE_UNORDERED_MAP) || defined(HAVE_TR1_UNORDERED_MAP) || defined(HAVE_EXT_HASH_MAP)
fprintf(stderr, _("%s: %s entries: %zu; buckets: %zu\n"),
program_name, name, this->string_set_.size(),
this->string_set_.bucket_count());