[SCM] archer-sergiodj-stap: added basic tests

[SCM] archer-sergiodj-stap: added basic tests

[tromey]

The branch, archer-sergiodj-stap has been updated
       via  f80fe6c9120b317fbff2bbeb70cc1d36bec5574b (commit)
      from  48cea42ca3cfe0e8eba444b2a70ba5b7342c5c60 (commit)

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- Log -----------------------------------------------------------------
commit f80fe6c9120b317fbff2bbeb70cc1d36bec5574b
Author: Tom Tromey <tromey@redhat.com>
Date:   Mon Feb 14 13:46:32 2011 -0700

    added basic tests

-----------------------------------------------------------------------

Summary of changes:
 gdb/testsuite/gdb.base/stap-probe.c   |   49 +++++++++++++++++++++++++++
 gdb/testsuite/gdb.base/stap-probe.exp |   60 +++++++++++++++++++++++++++++++++
 2 files changed, 109 insertions(+), 0 deletions(-)
 create mode 100644 gdb/testsuite/gdb.base/stap-probe.c
 create mode 100644 gdb/testsuite/gdb.base/stap-probe.exp

First 500 lines of diff:
diff --git a/gdb/testsuite/gdb.base/stap-probe.c b/gdb/testsuite/gdb.base/stap-probe.c
new file mode 100644
index 0000000..c540ac9
--- /dev/null
+++ b/gdb/testsuite/gdb.base/stap-probe.c
@@ -0,0 +1,49 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2011 Free Software Foundation, Inc.
+
+   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/>.  */
+
+#if USE_PROBES
+
+#define _SDT_HAS_SEMAPHORES
+__extension__ unsigned short teste_user_semaphore __attribute__ ((unused)) __attribute__ ((section (".probes")));
+#define TEST teste_user_semaphore
+
+#else
+
+#define TEST 1
+
+#endif
+
+#include <sdt.h>
+
+/* We only support SystemTap and only the v3 form.  */
+#if _SDT_NOTE_TYPE != 3
+#error "not using SystemTap v3 probes"
+#endif
+
+int
+f (int x)
+{
+  if (TEST)
+    STAP_PROBE1(teste, user, x);
+  return x+5;
+}
+
+int
+main()
+{
+  f(f(23));
+}
diff --git a/gdb/testsuite/gdb.base/stap-probe.exp b/gdb/testsuite/gdb.base/stap-probe.exp
new file mode 100644
index 0000000..0b36320
--- /dev/null
+++ b/gdb/testsuite/gdb.base/stap-probe.exp
@@ -0,0 +1,60 @@
+# Copyright (C) 2011 Free Software Foundation, Inc.
+
+# 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/>.
+
+set testfile stap-probe
+
+# Run the tests.  We run the tests two different ways: once with a
+# plain probe, and once with a probe that has an associated semaphore.
+# This returns -1 on failure to compile or start, 0 otherwise.
+proc stap_test {{arg ""}} {
+    global testfile hex
+
+    if {$arg != ""} {
+    	set arg "additional_flags=$arg"
+	set addendum ", with semaphore"
+    } else {
+	set addendum ", no semaphore"
+    }
+
+    if {[prepare_for_testing ${testfile}.exp ${testfile} ${testfile}.c $arg]} {
+	return -1
+    }
+
+    if ![runto_main] {
+	return -1
+    }
+
+    gdb_test "info probes" \
+	"teste *user *$hex .*" \
+	"info probes$addendum"
+    
+    if {[runto "probe:teste:user"]} {
+	pass "run to probe:teste:user$addendum"
+    } else {
+	fail "run to probe:teste:user$addendum"
+    }
+
+    # Pending the implementation of this feature.
+    # gdb_test "print \$_probe_argc" " = 1" "print \$_probe_argc$addendum"
+    # gdb_test "print \$_probe_arg0 == x" " = 1" "check \$_probe_arg0$addendum"
+
+    return 0
+}
+
+if {[stap_test] == -1} {
+    untested stap-probe.exp
+    return -1
+}
+stap_test "-DUSE_PROBES"


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