[strace PATCH 09/12] tests: check s390_runtime_instr system call decoder

Eugene Syromyatnikov
2018-01-18T06:17:00Z

* tests/s390_runtime_instr.c: New file.
* tests/.gitignore: Add s390_runtime_instr.
* tests/pure_executables.list: Likewise.
* tests/gen_tests.in (s390_runtime_instr): New test.
---
tests/.gitignore | 1 +
tests/gen_tests.in | 1 +
tests/pure_executables.list | 1 +
tests/s390_runtime_instr.c | 99 +++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 102 insertions(+)
create mode 100644 tests/s390_runtime_instr.c

diff --git a/tests/.gitignore b/tests/.gitignore
index 379d8c1..eaa1141 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -359,6 +359,7 @@ rt_tgsigqueueinfo
run_expect_termsig
s390_guarded_storage
s390_guarded_storage-v
+s390_runtime_instr
s390_sthyi
s390_sthyi-v
sched_get_priority_mxx
diff --git a/tests/gen_tests.in b/tests/gen_tests.in
index 5a9e4ed..a6dea9f 100644
--- a/tests/gen_tests.in
+++ b/tests/gen_tests.in
@@ -305,6 +305,7 @@ rt_sigtimedwait -a38
rt_tgsigqueueinfo -esignal=none
s390_guarded_storage -a32
s390_guarded_storage-v -e trace=s390_guarded_storage -a32 -v
+s390_runtime_instr -a50
s390_sthyi -a47
s390_sthyi-v -e trace=s390_sthyi -a47 -v
sched test_trace_expr times -e/sched
diff --git a/tests/pure_executables.list b/tests/pure_executables.list
index dc43a93..9c61da2 100755
--- a/tests/pure_executables.list
+++ b/tests/pure_executables.list
@@ -298,6 +298,7 @@ rt_sigtimedwait
rt_tgsigqueueinfo
s390_guarded_storage
s390_guarded_storage-v
+s390_runtime_instr
s390_sthyi
s390_sthyi-v
sched_get_priority_mxx
diff --git a/tests/s390_runtime_instr.c b/tests/s390_runtime_instr.c
new file mode 100644
index 0000000..861bbd4
--- /dev/null
+++ b/tests/s390_runtime_instr.c
@@ -0,0 +1,99 @@
+/*
+ * Check decoding of s390_runtime_instr syscall.
+ *
+ * Copyright (c) 2018 The strace developers.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "tests.h"
+#include <asm/unistd.h>
+
+#if defined __NR_s390_runtime_instr
+
+# include <errno.h>
+# include <signal.h>
+# include <stdio.h>
+# include <unistd.h>
+
+int
+main(void)
+{
+ static struct {
+ kernel_ulong_t cmd;
+ const char * cmd_str;
+ } cmd_args[] = {
+ { 0, "???" },
+ { 4, "???" },
+ { (kernel_ulong_t) 0xdeafbeefdeadc0deULL, "???" },
+ { 2, "STOP", },
+ };
+
+ static struct {
+ kernel_ulong_t sig;
+ const char * sig_str;
+ } start_sig_args[] = {
+ { 0, "SIG_0" },
+ { (kernel_ulong_t) 0xfacefeedac0ffeedULL, NULL },
+ { ARG_STR(SIGALRM) },
+ { 33, "SIGRT_1" },
+ { 63, "SIGRT_31" },
+ };
+
+ unsigned int i;
+ long rc;
+
+ for (i = 0; i < ARRAY_SIZE(cmd_args); i++) {
+ rc = syscall(__NR_s390_runtime_instr, cmd_args[i].cmd, 0xdead);
+ printf("s390_runtime_instr(%d /* S390_RUNTIME_INSTR_%s */) = "
+ "%s\n",
+ (int) cmd_args[i].cmd, cmd_args[i].cmd_str,
+ sprintrc(rc));
+ }
+
+ for (i = 0; i < ARRAY_SIZE(start_sig_args); i++) {
+ long saved_errno;
+
+ rc = syscall(__NR_s390_runtime_instr, 1, start_sig_args[i].sig);
+ saved_errno = errno;
+ printf("s390_runtime_instr(1 /* S390_RUNTIME_INSTR_START */, ");
+
+ if (start_sig_args[i].sig_str)
+ printf("%s", start_sig_args[i].sig_str);
+ else
+ printf("%d", (int) start_sig_args[i].sig);
+
+ errno = saved_errno;
+ printf(") = %s\n", sprintrc(rc));
+ }
+
+ puts("+++ exited with 0 +++");
+ return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_s390_runtime_instr")
+
+#endif
--
2.1.4