1494 			   pid_t tracee, int status, void *args);
1496 void start_tracer(struct __test_metadata *_metadata, int fd, pid_t tracee,  in start_tracer()  argument
1510 		ret = ptrace(PTRACE_ATTACH, tracee, NULL, 0);  in start_tracer()
1512 		kill(tracee, SIGKILL);  in start_tracer()
1517 	ret = ptrace(PTRACE_SETOPTIONS, tracee, NULL, ptrace_syscall ?  in start_tracer()
1522 		kill(tracee, SIGKILL);  in start_tracer()
1525 		     tracee, NULL, 0);  in start_tracer()
1536 		if (wait(&status) != tracee)  in start_tracer()
1545 		tracer_func(_metadata, tracee, status, args);  in start_tracer()
1548 			     tracee, NULL, 0);  in start_tracer()
1564 	pid_t tracee = getpid();  in setup_trace_fixture()  local
1575 		start_tracer(_metadata, pipefd[1], tracee, func, args,  in setup_trace_fixture()
1608 void tracer_poke(struct __test_metadata *_metadata, pid_t tracee, int status,  in tracer_poke()  argument
1615 	ret = ptrace(PTRACE_GETEVENTMSG, tracee, NULL, &msg);  in tracer_poke()
1619 		kill(tracee, SIGKILL);  in tracer_poke()
1626 	ret = ptrace(PTRACE_POKEDATA, tracee, info->poke_addr, 0x1001);  in tracer_poke()
1715 		EXPECT_EQ(0, ptrace(PTRACE_SET_SYSCALL, tracee, NULL, _nr))
1729 		EXPECT_EQ(0, ptrace(PTRACE_SETREGSET, tracee,	\
1874 # define ARCH_GETREGS(_regs)	ptrace(PTRACE_GETREGS, tracee, 0, &(_regs))
1875 # define ARCH_SETREGS(_regs)	ptrace(PTRACE_SETREGS, tracee, 0, &(_regs))
1881 		ptrace(PTRACE_GETREGSET, tracee, NT_PRSTATUS, &__v);	\
1887 		ptrace(PTRACE_SETREGSET, tracee, NT_PRSTATUS, &__v);	\
1892 int get_syscall(struct __test_metadata *_metadata, pid_t tracee)  in get_syscall()  argument
1905 		    pid_t tracee, long *syscall, long *ret)  in __change_syscall()  argument
1931 		       pid_t tracee, long syscall)  in change_syscall_nr()  argument
1933 	__change_syscall(_metadata, tracee, &syscall, NULL);  in change_syscall_nr()
1938 			pid_t tracee, long ret)  in change_syscall_ret()  argument
1942 	__change_syscall(_metadata, tracee, &syscall, &ret);  in change_syscall_ret()
1945 void tracer_seccomp(struct __test_metadata *_metadata, pid_t tracee,  in tracer_seccomp()  argument
1952 	ret = ptrace(PTRACE_GETEVENTMSG, tracee, NULL, &msg);  in tracer_seccomp()
1959 		EXPECT_EQ(__NR_getpid, get_syscall(_metadata, tracee));  in tracer_seccomp()
1960 		change_syscall_nr(_metadata, tracee, __NR_getppid);  in tracer_seccomp()
1964 		EXPECT_EQ(__NR_gettid, get_syscall(_metadata, tracee));  in tracer_seccomp()
1965 		change_syscall_ret(_metadata, tracee, 45000);  in tracer_seccomp()
1969 		EXPECT_EQ(__NR_openat, get_syscall(_metadata, tracee));  in tracer_seccomp()
1970 		change_syscall_ret(_metadata, tracee, -ESRCH);  in tracer_seccomp()
1974 		EXPECT_EQ(__NR_getppid, get_syscall(_metadata, tracee));  in tracer_seccomp()
1979 			kill(tracee, SIGKILL);  in tracer_seccomp()
1991 void tracer_ptrace(struct __test_metadata *_metadata, pid_t tracee,  in tracer_ptrace()  argument
2008 	ret = ptrace(PTRACE_GETEVENTMSG, tracee, NULL, &msg);  in tracer_ptrace()
2021 		self->syscall_nr = get_syscall(_metadata, tracee);  in tracer_ptrace()
2052 	__change_syscall(_metadata, tracee, syscall_nr, syscall_ret);  in tracer_ptrace()