// stringpool.h -- a string pool for gold -*- C++ -*-
-// 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.
class Output_file;
+// Return the length of a string in units of Char_type.
+
+template<typename Char_type>
+inline size_t
+string_length(const Char_type* 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
+string_length(const char* p)
+{
+ return strlen(p);
+}
+
// A Stringpool is a pool of unique strings. It provides the
// following features:
{
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
+ // this->chunks_ causes 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);
typedef size_t Key;
// Create a Stringpool.
- Stringpool_template();
+ Stringpool_template(uint64_t addralign = 1);
~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
const Stringpool_char*
add(const Stringpool_char* s, bool copy, Key* pkey);
+ // Add the string S to the pool.
+ const Stringpool_char*
+ add(const std::basic_string<Stringpool_char>& s, bool copy, Key* pkey)
+ { return this->add_with_length(s.data(), s.size(), copy, pkey); }
+
// Add string S of length LEN characters to the pool. If COPY is
// true, S need not be null terminated.
const Stringpool_char*
Stringpool_template(const Stringpool_template&);
Stringpool_template& operator=(const Stringpool_template&);
- // Return the length of a string in units of Stringpool_char.
- static size_t
- string_length(const Stringpool_char*);
-
// Return whether two strings are equal.
static bool
string_equal(const Stringpool_char*, const Stringpool_char*);
bool optimize_;
// offset of the next string.
section_offset_type offset_;
+ // The alignment of strings in the stringpool.
+ uint64_t addralign_;
};
// The most common type of Stringpool.