Put input sections with no flags in output sections with the same name.
authorIan Lance Taylor <iant@google.com>
Thu, 28 Feb 2008 00:51:07 +0000 (00:51 +0000)
committerIan Lance Taylor <iant@google.com>
Thu, 28 Feb 2008 00:51:07 +0000 (00:51 +0000)
gold/layout.cc

index df104986da7274388c6cfdb6a7eced43c716d7ad..c12501469b60202d18b2baba96f350c1f5893210 100644 (file)
@@ -236,8 +236,21 @@ Layout::get_output_section(const char* name, Stringpool::Key name_key,
   else
     {
       // This is the first time we've seen this name/type/flags
-      // combination.
-      Output_section* os = this->make_output_section(name, type, flags);
+      // combination.  If the section has contents but no flags, then
+      // see whether we have an existing section with the same name.
+      // This is a workaround for cases where assembler code forgets
+      // to set section flags, and the GNU linker would simply pick an
+      // existing section with the same name.  FIXME: Perhaps there
+      // should be an option to control this.
+      Output_section* os = NULL;
+      if (type == elfcpp::SHT_PROGBITS && flags == 0)
+       {
+         os = this->find_output_section(name);
+         if (os != NULL && os->type() != elfcpp::SHT_PROGBITS)
+           os = NULL;
+       }
+      if (os == NULL)
+       os = this->make_output_section(name, type, flags);
       ins.first->second = os;
       return os;
     }