1 files changed, 110 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.twreverse/finish-reverse.c b/gdb/testsuite/gdb.twreverse/finish-reverse.c
new file mode 100644
index 00000000000..1ac557af99c
--- /dev/null
+++ b/gdb/testsuite/gdb.twreverse/finish-reverse.c
@@ -0,0 +1,110 @@
+/* Test gdb's "return" command.  */
+
+int void_test = 0;
+int main_test = 0;
+
+char      char_returnval      = '1';
+short     short_returnval     = 1;
+int       int_returnval       = 1;
+long      long_returnval      = 1;
+long long long_long_returnval = 1;
+float     float_returnval     = 1;
+double    double_returnval    = 1;
+
+union {
+  char      char_testval;
+  short     short_testval;
+  int       int_testval;
+  long      long_testval;
+  long long long_long_testval;
+  float     float_testval;
+  double    double_testval;
+  char      ffff[80];
+} testval;
+
+void void_func ()
+{
+  void_test = 1;		/* VOID FUNC */
+}
+
+char char_func ()
+{
+  return char_returnval;	/* CHAR FUNC */
+}
+
+short short_func ()
+{
+  return short_returnval;	/* SHORT FUNC */
+}
+
+int int_func ()
+{
+  return int_returnval;		/* INT FUNC */
+}
+
+long long_func ()
+{
+  return long_returnval;	/* LONG FUNC */
+}
+
+long long long_long_func ()
+{
+  return long_long_returnval;	/* LONG LONG FUNC */
+}
+
+float float_func ()
+{
+  return float_returnval;	/* FLOAT FUNC */
+}
+
+double double_func ()
+{
+  return double_returnval;	/* DOUBLE FUNC */
+}
+
+int main (int argc, char **argv)
+{
+  char char_resultval;
+  short short_resultval;
+  int int_resultval;
+  long long_resultval;
+  long long long_long_resultval;
+  float float_resultval;
+  double double_resultval;
+  int i;
+
+  /* A "test load" that will insure that the function really returns 
+     a ${type} (as opposed to just a truncated or part of a ${type}).  */
+  for (i = 0; i < sizeof (testval.ffff); i++)
+    testval.ffff[i] = 0xff;
+
+  void_func (); 				/* call to void_func */
+  char_resultval      = char_func ();		/* void_checkpoint */
+  short_resultval     = short_func ();		/* char_checkpoint */
+  int_resultval       = int_func ();		/* short_checkpoint */
+  long_resultval      = long_func ();		/* int_checkpoint */
+  long_long_resultval = long_long_func ();	/* long_checkpoint */
+
+  /* On machines using IEEE floating point, the test pattern of all
+     1-bits established above turns out to be a floating-point NaN
+     ("Not a Number").  According to the IEEE rules, NaN's aren't even
+     equal to themselves.  This can lead to stupid conversations with
+     GDB like:
+
+       (gdb) p testval.float_testval == testval.float_testval
+       $7 = 0
+       (gdb)
+
+     This is the correct answer, but it's not the sort of thing
+     return2.exp wants to see.  So to make things work the way they
+     ought, we'll set aside the `union' cleverness and initialize the
+     test values explicitly here.  These values have interesting bits
+     throughout the value, so we'll still detect truncated values.  */
+
+  testval.float_testval = 2.7182818284590452354;/* long_long_checkpoint */
+  float_resultval     = float_func ();		
+  testval.double_testval = 3.14159265358979323846; /* float_checkpoint */
+  double_resultval    = double_func ();		
+  main_test = 1;				/* double_checkpoint */
+  return 0;
+}