From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:49:45 +0200
Subject: Adding upstream version 6.1.76.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tools/testing/selftests/powerpc/tm/tm-exec.c | 67 ++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 tools/testing/selftests/powerpc/tm/tm-exec.c

(limited to 'tools/testing/selftests/powerpc/tm/tm-exec.c')

diff --git a/tools/testing/selftests/powerpc/tm/tm-exec.c b/tools/testing/selftests/powerpc/tm/tm-exec.c
new file mode 100644
index 000000000..c59919d67
--- /dev/null
+++ b/tools/testing/selftests/powerpc/tm/tm-exec.c
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright 2016, Cyril Bur, IBM Corp.
+ *
+ * Syscalls can be performed provided the transactions are suspended.
+ * The exec() class of syscall is unique as a new process is loaded.
+ *
+ * It makes little sense for after an exec() call for the previously
+ * suspended transaction to still exist.
+ */
+
+#define _GNU_SOURCE
+#include <errno.h>
+#include <inttypes.h>
+#include <libgen.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "utils.h"
+#include "tm.h"
+
+static char *path;
+
+static int test_exec(void)
+{
+	SKIP_IF(!have_htm());
+	SKIP_IF(htm_is_synthetic());
+
+	asm __volatile__(
+		"tbegin.;"
+		"blt    1f; "
+		"tsuspend.;"
+		"1: ;"
+		: : : "memory");
+
+	execl(path, "tm-exec", "--child", NULL);
+
+	/* Shouldn't get here */
+	perror("execl() failed");
+	return 1;
+}
+
+static int after_exec(void)
+{
+	asm __volatile__(
+		"tbegin.;"
+		"blt    1f;"
+		"tsuspend.;"
+		"1: ;"
+		: : : "memory");
+
+	FAIL_IF(failure_is_nesting());
+	return 0;
+}
+
+int main(int argc, char *argv[])
+{
+	path = argv[0];
+
+	if (argc > 1 && strcmp(argv[1], "--child") == 0)
+		return after_exec();
+
+	return test_harness(test_exec, "tm_exec");
+}
-- 
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