gdb: add target_ops::supports_displaced_step

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

diff --git a/gold/dirsearch.cc b/gold/dirsearch.cc
index 1ae2055dc467d776e0775c58917c284112666c85..e8c9b1203c8e80809d587ad99af85434c75379d7 100644 (file)
--- a/gold/dirsearch.cc
+++ b/gold/dirsearch.cc
@@ -1,6 +1,6 @@
 // dirsearch.cc -- directory searching for gold
 
-// Copyright 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+// Copyright (C) 2006-2020 Free Software Foundation, Inc.
 // Written by Ian Lance Taylor <iant@google.com>.
 
 // This file is part of gold.
@@ -25,6 +25,7 @@
 #include <cerrno>
 #include <cstring>
 #include <sys/types.h>
+#include <sys/stat.h>
 #include <dirent.h>
 
 #include "debug.h"
@@ -101,7 +102,7 @@ class Dir_caches
     : lock_(), caches_()
   { }
 
-  ~Dir_caches();
+  ~Dir_caches() ATTRIBUTE_UNUSED;
 
   // Add a cache for a directory.
   void add(const char*);
@@ -277,4 +278,28 @@ Dirsearch::find(const std::vector<std::string>& names,
   return std::string();
 }
 
+// Search for a file in a directory list.  This is a low-level function and
+// therefore can be used before options and parameters are set.
+
+std::string
+Dirsearch::find_file_in_dir_list(const std::string& name,
+                                 const General_options::Dir_list& directories,
+                                 const std::string& extra_search_dir)
+{
+  struct stat buf;
+  std::string extra_name = extra_search_dir + '/' + name;
+
+  if (stat(extra_name.c_str(), &buf) == 0)
+    return extra_name;
+  for (General_options::Dir_list::const_iterator dir = directories.begin();
+       dir != directories.end();
+       ++dir)
+    {
+      std::string full_name = dir->name() + '/' + name;
+      if (stat(full_name.c_str(), &buf) == 0)
+        return full_name;
+    }
+  return name;
+}
+
 } // End namespace gold.