2012-04-27 Sergio Durigan Junior <sergiodj@redhat.com>

[deliverable/binutils-gdb.git] / gdb / stap-probe.h

diff --git a/gdb/stap-probe.h b/gdb/stap-probe.h
new file mode 100644 (file)
index 0000000..0e9df06
--- /dev/null
+++ b/gdb/stap-probe.h
@@ -0,0 +1,52 @@
+/* SystemTap probe support for GDB.
+
+   Copyright (C) 2012 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/>.  */
+
+#if !defined (STAP_PROBE_H)
+#define STAP_PROBE_H 1
+
+#include "probe.h"
+
+/* Structure which holds information about the parsing process of one probe's
+   argument.  */
+
+struct stap_parse_info
+{
+  /* The probe's argument in a string format.  */
+  const char *arg;
+
+  /* A pointer to the full chain of arguments.  This is useful for printing
+     error messages.  The parser functions should not modify this argument
+     directly; instead, they should use the ARG pointer above.  */
+  const char *saved_arg;
+
+  /* The expected argument type (bitness), as defined in the probe's
+     argument.  For instance, if the argument begins with `-8@', it means
+     the bitness is 64-bit signed.  In this case, ARG_TYPE would represent
+     the type `int64_t'.  */
+  struct type *arg_type;
+
+  /* A pointer to the current gdbarch.  */
+  struct gdbarch *gdbarch;
+
+  /* Greater than zero if we are inside a parenthesized expression.  Useful
+     for knowing when to skip spaces or not.  */
+  int inside_paren_p;
+};
+
+#endif /* !defined (STAP_PROBE_H) */