linux-kernel - [PATCH 20/21] selftests/ftrace: Add syntax error test for immediates

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Date:   Sat,  1 Jun 2019 00:19:59 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Masami Hiramatsu <mhiramat@...nel.org>,
        Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
        Tom Zanussi <tom.zanussi@...ux.intel.com>,
        Ravi Bangoria <ravi.bangoria@...ux.ibm.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Arnaldo Carvalho de Melo <acme@...nel.org>
Subject: [PATCH 20/21] selftests/ftrace: Add syntax error test for immediates

Add syntax error test cases for immediate value and
immediate string.

Signed-off-by: Masami Hiramatsu <mhiramat@...nel.org>
---
 .../ftrace/test.d/kprobe/kprobe_syntax_errors.tc   |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc
index 29faaec942c6..aa59944bcace 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc
@@ -41,6 +41,11 @@ check_error 'p vfs_read ^%none_reg'	# BAD_REG_NAME
 check_error 'p vfs_read ^@...45678abcde'	# BAD_MEM_ADDR
 check_error 'p vfs_read ^@...'		# FILE_ON_KPROBE
 
+grep -q "imm-value" README && \
+check_error 'p vfs_read arg1=\^x'	# BAD_IMM
+grep -q "imm-string" README && \
+check_error 'p vfs_read arg1=\"abcd^'	# IMMSTR_NO_CLOSE
+
 check_error 'p vfs_read ^+0@0)'		# DEREF_NEED_BRACE
 check_error 'p vfs_read ^+0ab1(@0)'	# BAD_DEREF_OFFS
 check_error 'p vfs_read +0(+0(@0^)'	# DEREF_OPEN_BRACE