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Subject: [binutils-gdb] dtrace-probe: Handle error while parsing probe argument.
From: sergiodj+buildbot@redhat.com
To: gdb-testers@sourceware.org
Message-Id: <429e1e811b400f07b5a514ea6b8a70b28e2d7ee9@kwanyin>
Date: Thu, 26 Mar 2015 22:17:00 -0000
X-SW-Source: 2015-q1/txt/msg06805.txt.bz2

*** TEST RESULTS FOR COMMIT 429e1e811b400f07b5a514ea6b8a70b28e2d7ee9 ***

Author: Joel Brobecker <brobecker@adacore.com>
Branch: master
Commit: 429e1e811b400f07b5a514ea6b8a70b28e2d7ee9

dtrace-probe: Handle error while parsing probe argument.
The debugger on Solaris has been broken since the introduction of
DTrace probe support:

    (gdb) start
    Temporary breakpoint 1 at 0x80593bc: file simple_main.adb, line 4.
    Starting program: /[...]/simple_main
    [Thread debugging using libthread_db enabled]
    No definition of "mutex_t" in current context.

The problem occurs while trying to parse a probe's argument,
and the exception propagates all the way to the top. This patch
fixes the issue by containing the exception and falling back on
using the "long" builtin type if the argument's type could not
be determined.

Also, the parsing should be done using the C language parser.

gdb/ChangeLog:

        * dtrace-probe.c (dtrace_process_dof_probe): Contain any
        exception raised while parsing the probe arguments.
        Force parsing to be done using the C language parser.
        * expression.h (parse_expression_with_language): Declare.
        * parse.c (parse_expression_with_language): New function.