btparser integration: merge it into ABRT's directory hierarchy

1 files changed, 68 insertions, 0 deletions

diff --git a/src/btparser/normalize.c b/src/btparser/normalize.c
new file mode 100644
index 00000000..4bbee99c
--- /dev/null
+++ b/src/btparser/normalize.c
@@ -0,0 +1,68 @@
+/*
+    normalize.c
+
+    Copyright (C) 2010  Red Hat, 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 2 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, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+#include "normalize.h"
+#include "frame.h"
+#include "thread.h"
+#include "backtrace.h"
+#include <string.h>
+
+void
+btp_normalize_thread(struct btp_thread *thread)
+{
+    btp_normalize_dbus_thread(thread);
+    btp_normalize_gdk_thread(thread);
+    btp_normalize_glib_thread(thread);
+    btp_normalize_glibc_thread(thread);
+    btp_normalize_libstdcpp_thread(thread);
+    btp_normalize_linux_thread(thread);
+    btp_normalize_xorg_thread(thread);
+
+    /* If the last frame has address 0x0000 and its name is '??',
+     * remove it. This frame is not really invalid, and it affects
+     * backtrace quality rating. See Red Hat Bugzilla bug #592523.
+     * @code
+     * #2  0x00007f4dcebbd62d in clone ()
+     * at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
+     * No locals.
+     * #3  0x0000000000000000 in ?? ()
+     * @endcode
+     */
+    struct btp_frame *last = thread->frames;
+    while (last && last->next)
+        last = last->next;
+    if (last &&
+        last->address == 0x0000 &&
+        last->function_name &&
+        0 == strcmp(last->function_name, "??"))
+    {
+        btp_thread_remove_frame(thread, last);
+    }
+}
+
+void
+btp_normalize_backtrace(struct btp_backtrace *backtrace)
+{
+    struct btp_thread *thread = backtrace->threads;
+    while (thread)
+    {
+        btp_normalize_thread(thread);
+        thread = thread->next;
+    }
+}