gdb/

[deliverable/binutils-gdb.git] / gold / main.cc

diff --git a/gold/main.cc b/gold/main.cc
index 2966d0351edf619a80ce3e4032b747dbab36948e..00198639aa328759e96e6af5d36510bfb53be0a2 100644 (file)
--- a/gold/main.cc
+++ b/gold/main.cc
@@ -1,6 +1,6 @@
 // main.cc -- gold main function.
 
-// Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
+// Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
 // Written by Ian Lance Taylor <iant@google.com>.
 
 // This file is part of gold.
@@ -22,6 +22,7 @@
 
 #include "gold.h"
 
+#include <cstdio>
 #include <cstring>
 
 #ifdef HAVE_MALLINFO
@@ -34,11 +35,15 @@
 #include "options.h"
 #include "parameters.h"
 #include "errors.h"
+#include "mapfile.h"
 #include "dirsearch.h"
 #include "workqueue.h"
 #include "object.h"
+#include "archive.h"
 #include "symtab.h"
 #include "layout.h"
+#include "plugin.h"
+#include "gc.h"
 
 using namespace gold;
 
@@ -165,6 +170,18 @@ main(int argc, char** argv)
   write_debug_script(command_line.options().output_file_name(),
                      program_name, args.c_str());
 
+  // If the user asked for a map file, open it.
+  Mapfile* mapfile = NULL;
+  if (command_line.options().user_set_Map())
+    {
+      mapfile = new Mapfile();
+      if (!mapfile->open(command_line.options().Map()))
+       {
+         delete mapfile;
+         mapfile = NULL;
+       }
+    }
+
   // 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
@@ -175,12 +192,19 @@ main(int argc, char** argv)
   if (parameters->options().relocatable())
     command_line.script_options().version_script_info()->clear();
 
+  // Load plugin libraries.
+  if (command_line.options().has_plugins())
+    command_line.options().plugins()->load_plugins();
+
   // The work queue.
   Workqueue workqueue(command_line.options());
 
   // The list of input objects.
   Input_objects input_objects;
 
+  // The Garbage Collection Object.
+  Garbage_collection gc;
+
   // The symbol table.  We're going to guess here how many symbols
   // we're going to see based on the number of input files.  Even when
   // this is off, it means at worst we don't quite optimize hashtable
@@ -188,6 +212,9 @@ main(int argc, char** argv)
   Symbol_table symtab(command_line.number_of_input_files() * 1024,
                       command_line.version_script());
 
+  if (parameters->options().gc_sections())
+    symtab.set_gc(&gc);
+
   // The layout object.
   Layout layout(command_line.options(), &command_line.script_options());
 
@@ -198,7 +225,7 @@ main(int argc, char** argv)
   // Queue up the first set of tasks.
   queue_initial_tasks(command_line.options(), search_path,
                      command_line, &workqueue, &input_objects,
-                     &symtab, &layout);
+                     &symtab, &layout, mapfile);
 
   // Run the main task processing loop.
   workqueue.process(0);
@@ -214,11 +241,27 @@ main(int argc, char** argv)
              program_name, m.arena);
 #endif
       File_read::print_stats();
+      Archive::print_stats();
       fprintf(stderr, _("%s: output file size: %lld bytes\n"),
              program_name, static_cast<long long>(layout.output_file_size()));
       symtab.print_stats();
       layout.print_stats();
     }
 
-  gold_exit(errors.error_count() == 0);
+  if (mapfile != NULL)
+    mapfile->close();
+
+  // Issue defined symbol report.
+  if (command_line.options().user_set_print_symbol_counts())
+    input_objects.print_symbol_counts(&symtab);
+
+  if (parameters->options().fatal_warnings()
+      && errors.warning_count() > 0
+      && errors.error_count() == 0)
+    gold_error("treating warnings as errors");
+
+  // If the user used --noinhibit-exec, we force the exit status to be
+  // successful.  This is compatible with GNU ld.
+  gold_exit(errors.error_count() == 0
+           || parameters->options().noinhibit_exec());
 }