tests: Use ld to map (wrap) printf, puts and putchar to tester functions.

- Remove the macro defines and the need for tmacro.h by remapping the
  symbols using ld's wrap option.
- Remove FLUSH_OUTPUT, it was empty.
- Move rtems_test_exit to libmisc/testsupport as a function.

Update #3199.

1 files changed, 48 insertions, 0 deletions

diff --git a/cpukit/libmisc/testsupport/testwrappers.c b/cpukit/libmisc/testsupport/testwrappers.c
new file mode 100644
index 0000000000..c86c4cc3f8
--- /dev/null
+++ b/cpukit/libmisc/testsupport/testwrappers.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2017 Chris Johns <chrisj@rtems.org>. All rights reserved.
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.org/license/LICENSE.
+ */
+
+#ifdef HAVE_CONFIG_H
+  #include "config.h"
+#endif
+
+#include <rtems/test.h>
+
+int __wrap_printf(const char* format, ...);
+int __wrap_puts(const char *str);
+int __wrap_putchar(int c);
+
+int __wrap_printf(
+ const char* format,
+  ...
+)
+{
+  va_list ap;
+  int len;
+  va_start(ap, format);
+  len = rtems_vprintf(
+    &rtems_test_printer,
+    format,
+    ap
+  );
+  va_end(ap);
+  return len;
+}
+
+int __wrap_puts(
+  const char *str
+)
+{
+  return rtems_test_printf( "%s\n", str );
+}
+
+int __wrap_putchar(
+  int c
+)
+{
+  return rtems_test_printf( "%c", c );
+}