kselftest: breakpoints: convert breakpoint_test to TAP13 output (748e84b7) · Commits · 戴 / test

tools/testing/selftests/breakpoints/breakpoint_test.c

+15 −14

Original line number	Diff line number	Diff line
		@@ -42,10 +42,8 @@ static void set_breakpoint_addr(void *addr, int n)

		ret = ptrace(PTRACE_POKEUSER, child_pid,
		offsetof(struct user, u_debugreg[n]), addr);
		if (ret) {
		perror("Can't set breakpoint addr\n");
		ksft_exit_fail();
		}
		if (ret)
		ksft_exit_fail_msg("Can't set breakpoint addr");
		}

		static void toggle_breakpoint(int n, int type, int len,
		@@ -105,10 +103,8 @@ static void toggle_breakpoint(int n, int type, int len,

		ret = ptrace(PTRACE_POKEUSER, child_pid,
		offsetof(struct user, u_debugreg[7]), dr7);
		if (ret) {
		perror("Can't set dr7");
		ksft_exit_fail();
		}
		if (ret)
		ksft_exit_fail_msg("Can't set dr7");
		}

		/* Dummy variables to test read/write accesses */
		@@ -264,26 +260,29 @@ static void check_success(const char *msg)
		const char *msg2;
		int child_nr_tests;
		int status;
		int ret;

		/* Wait for the child to SIGTRAP */
		wait(&status);

		msg2 = "Failed";
		ret = 0;

		if (WSTOPSIG(status) == SIGTRAP) {
		child_nr_tests = ptrace(PTRACE_PEEKDATA, child_pid,
		&nr_tests, 0);
		if (child_nr_tests == nr_tests)
		msg2 = "Ok";
		if (ptrace(PTRACE_POKEDATA, child_pid, &trapped, 1)) {
		perror("Can't poke\n");
		ksft_exit_fail();
		}
		ret = 1;
		if (ptrace(PTRACE_POKEDATA, child_pid, &trapped, 1))
		ksft_exit_fail_msg("Can't poke");
		}

		nr_tests++;

		printf("%s [%s]\n", msg, msg2);
		if (ret)
		ksft_test_result_pass(msg);
		else
		ksft_test_result_fail(msg);
		}

		static void launch_instruction_breakpoints(char *buf, int local, int global)
		@@ -378,6 +377,8 @@ int main(int argc, char **argv)
		pid_t pid;
		int ret;

		ksft_print_header();

		pid = fork();
		if (!pid) {
		trigger_tests();

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