Test "Scalable Vector Extension (SVE) support." on arm64

Change-Id: I3abaca932985a06b06887b962e769f2eac96c738

test/sve/src/common.c

@@ -0,0 +1,83 @@
+/* common.c COPYRIGHT FUJITSU LIMITED 2017-2019 */
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <stdio.h>
+#include <sys/ptrace.h>
+#include <errno.h>
+#include "common.h"
+
+int wait_child_stop(pid_t cpid)
+{
+	int status = 0;
+	int ret = -1;
+	pid_t pid = 0;
+
+	/* wait child stop */
+	pid = wait(&status);
+	if (pid == cpid) {
+		if (!WIFSTOPPED(status)) {
+			printf("child is not stopped.\n");
+			goto out;
+		}
+	} else {
+		perror("wait()");
+		goto out;
+	}
+	ret = 0;
+out:
+	return ret;
+}
+
+int wait_child_exit(pid_t cpid)
+{
+	int status = 0;
+	int ret = -1;
+	pid_t pid = 0;
+
+	pid = wait(&status);
+	if (pid == cpid) {
+		if (WIFEXITED(status)) {
+			if (WEXITSTATUS(status)) {
+				goto out;
+			}
+		} else {
+			printf("child-process unfinished.\n");
+			goto out;
+		}
+	} else if (pid == -1) {
+		perror("wait()");
+		goto out;
+	} else {
+		printf("wait() return invalid pid.\n");
+		goto out;
+	}
+	ret = 0;
+out:
+	return ret;
+}
+
+int rewrite_brk_inst(pid_t cpid, void *inst_addr)
+{
+	unsigned long addr = 0;
+	const unsigned long inst = ((NOP_INST << 32UL) | NOP_INST);
+
+	/* read child brk address */
+	addr = ptrace(PTRACE_PEEKDATA, cpid, inst_addr, NULL);
+	if ((addr == -1) && errno) {
+		perror("ptrace(PTRACE_PEEKDATA)");
+		return -1;
+	}
+
+	/* write nop instruction */
+	if (ptrace(PTRACE_POKETEXT, cpid, addr, inst)) {
+		perror("ptrace(PTRACE_POKETEXT)");
+		return -1;
+	}
+	return 0;
+}
+
+void print_test_overview(int tp_num)
+{
+	printf("# %2d : %s\n", tp_num, usage_messages[tp_num]);
+}
+