From: Ian Lance Taylor <iant@google.com>
Date: Thu, 7 Feb 2008 05:45:07 +0000 (+0000)
Subject: Ignore version scripts for relocatable links.
X-Git-Tag: gdb_6_8-2008-02-26-branchpoint~172
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1ef1f3d387940683bcba12c0bee8c5adfdef4bc7;p=external%2Fbinutils.git

Ignore version scripts for relocatable links.
---

diff --git a/gold/main.cc b/gold/main.cc
index 2f68e06..6e35658 100644
--- a/gold/main.cc
+++ b/gold/main.cc
@@ -166,6 +166,16 @@ main(int argc, char** argv)
   write_debug_script(command_line.options().output_file_name(),
                      program_name, args.c_str());
 
+  // The GNU linker ignores version scripts when generating
+  // relocatable output.  If we are not compatible, then we break the
+  // Linux kernel build, which uses a linker script with -r which must
+  // not force symbols to be local.  It would actually be useful to
+  // permit symbols to be forced local with -r, though, as it would
+  // permit some linker optimizations.  Perhaps we need yet another
+  // option to control this.  FIXME.
+  if (parameters->output_is_object())
+    command_line.script_options()->version_script_info()->clear();
+
   // The work queue.
   Workqueue workqueue(command_line.options());
 
diff --git a/gold/script.cc b/gold/script.cc
index 7cf3c7e..fc510a5 100644
--- a/gold/script.cc
+++ b/gold/script.cc
@@ -1739,12 +1739,21 @@ struct Version_tree {
 
 Version_script_info::~Version_script_info()
 {
+  this->clear();
+}
+
+void
+Version_script_info::clear()
+{
   for (size_t k = 0; k < dependency_lists_.size(); ++k)
     delete dependency_lists_[k];
+  this->dependency_lists_.clear();
   for (size_t k = 0; k < version_trees_.size(); ++k)
     delete version_trees_[k];
+  this->version_trees_.clear();
   for (size_t k = 0; k < expression_lists_.size(); ++k)
     delete expression_lists_[k];
+  this->expression_lists_.clear();
 }
 
 std::vector<std::string>
diff --git a/gold/script.h b/gold/script.h
index 09f104f..81e7ab8 100644
--- a/gold/script.h
+++ b/gold/script.h
@@ -118,6 +118,10 @@ class Version_script_info
  public:
   ~Version_script_info();
 
+  // Clear everything.
+  void
+  clear();
+
   // Return whether any version were defined in the version script.
   bool
   empty() const