gas/

[deliverable/binutils-gdb.git] / gold / stringpool.h

diff --git a/gold/stringpool.h b/gold/stringpool.h
index b49abd1f2a1a5f36861367e9a0d23e96bee998f7..85532758b6d03bc3550e24c386637e4f3e91e994 100644 (file)
--- a/gold/stringpool.h
+++ b/gold/stringpool.h
@@ -1,5 +1,25 @@
 // stringpool.h -- a string pool for gold    -*- C++ -*-
 
+// Copyright 2006, 2007 Free Software Foundation, Inc.
+// Written by Ian Lance Taylor <iant@google.com>.
+
+// This file is part of gold.
+
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+// MA 02110-1301, USA.
+
 #include <string>
 #include <list>
 
@@ -27,6 +47,9 @@ class Output_file;
 // string pointer so that repeated runs of the linker will generate
 // precisely the same output.
 
+// When you add a string to a Stringpool, Stringpool will make a copy
+// of it.  Thus there is no need to keep a copy elsewhere.
+
 // A Stringpool can be turned into a string table, a sequential series
 // of null terminated strings.  The first string may optionally be a
 // single zero byte, as required for SHT_STRTAB sections.  This
@@ -55,14 +78,18 @@ class Stringpool_template
   // is never a valid key value.
   typedef size_t Key;
 
-  // Create a Stringpool.  ZERO_NULL is true if we should reserve
-  // offset 0 to hold the empty string when converting the stringpool
-  // to a string table.  ZERO_NULL should be true if you want a proper
-  // ELF SHT_STRTAB section.
-  Stringpool_template(bool zero_null = true);
+  // Create a Stringpool.
+  Stringpool_template();
 
   ~Stringpool_template();
 
+  // Indicate that we should not reserve offset 0 to hold the empty
+  // string when converting the stringpool to a string table.  This
+  // should not be called for a proper ELF SHT_STRTAB section.
+  void
+  set_no_zero_null()
+  { this->zero_null_ = false; }
+
   // Add the string S to the pool.  This returns a canonical permanent
   // pointer to the string in the pool.  If PKEY is not NULL, this
   // sets *PKEY to the key for the string.