3 files changed, 61 insertions, 0 deletions
diff --git a/gdb/common/common-inferior.h b/gdb/common/common-inferior.h
new file mode 100644
index 0000000..87c1300
--- /dev/null
+++ b/gdb/common/common-inferior.h
@@ -0,0 +1,33 @@
+/* Functions to deal with the inferior being executed on GDB or
+   GDBserver.
+
+   Copyright (C) 1986-2017 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   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, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef COMMON_INFERIOR_H
+#define COMMON_INFERIOR_H
+
+/* Return the exec wrapper to be used when starting the inferior, or NULL
+   otherwise.  */
+extern const char *get_exec_wrapper ();
+
+/* Return the name of the executable file as a string.
+   ERR nonzero means get error if there is none specified;
+   otherwise return 0 in that case.  */
+extern char *get_exec_file (int err);
+
+#endif /* ! COMMON_INFERIOR_H */
diff --git a/gdb/common/common-utils.c b/gdb/common/common-utils.c
index e94fdc4..793ab3b 100644
--- a/gdb/common/common-utils.c
+++ b/gdb/common/common-utils.c
@@ -18,6 +18,7 @@
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "common-defs.h"
+#include "common-utils.h"
 #include "host-defs.h"
 #include <ctype.h>
 
@@ -328,3 +329,26 @@ free_vector_argv (std::vector<char *> &v)
 
   v.clear ();
 }
+
+/* See common/common-utils.h.  */
+
+std::string
+stringify_argv (const std::vector<char *> &args)
+{
+  std::string ret;
+
+  if (!args.empty ())
+    {
+      for (auto s : args)
+	if (s != NULL)
+	  {
+	    ret += s;
+	    ret += ' ';
+	  }
+
+      /* Erase the last whitespace.  */
+      ret.erase (ret.end () - 1);
+    }
+
+  return ret;
+}
diff --git a/gdb/common/common-utils.h b/gdb/common/common-utils.h
index c331f0d..787bac9 100644
--- a/gdb/common/common-utils.h
+++ b/gdb/common/common-utils.h
@@ -108,4 +108,8 @@ extern const char *skip_to_space_const (const char *inp);
    freeing all the elements.  */
 extern void free_vector_argv (std::vector<char *> &v);
 
+/* Given a vector of arguments ARGV, return a string equivalent to
+   joining all the arguments with a whitespace separating them.  */
+extern std::string stringify_argv (const std::vector<char *> &argv);
+
 #endif