1505 			   pid_t tracee, int status, void *args);
1507 void start_tracer(struct __test_metadata *_metadata, int fd, pid_t tracee,  in start_tracer()  argument
1521 		ret = ptrace(PTRACE_ATTACH, tracee, NULL, 0);  in start_tracer()
1523 		kill(tracee, SIGKILL);  in start_tracer()
1528 	ret = ptrace(PTRACE_SETOPTIONS, tracee, NULL, ptrace_syscall ?  in start_tracer()
1533 		kill(tracee, SIGKILL);  in start_tracer()
1536 		     tracee, NULL, 0);  in start_tracer()
1547 		if (wait(&status) != tracee)  in start_tracer()
1566 		tracer_func(_metadata, tracee, status, args);  in start_tracer()
1569 			     tracee, NULL, 0);  in start_tracer()
1585 	pid_t tracee = getpid();  in setup_trace_fixture()  local
1596 		start_tracer(_metadata, pipefd[1], tracee, func, args,  in setup_trace_fixture()
1629 void tracer_poke(struct __test_metadata *_metadata, pid_t tracee, int status,  in tracer_poke()  argument
1636 	ret = ptrace(PTRACE_GETEVENTMSG, tracee, NULL, &msg);  in tracer_poke()
1640 		kill(tracee, SIGKILL);  in tracer_poke()
1647 	ret = ptrace(PTRACE_POKEDATA, tracee, info->poke_addr, 0x1001);  in tracer_poke()
1736 		EXPECT_EQ(0, ptrace(PTRACE_SET_SYSCALL, tracee, NULL, _nr))
1750 		EXPECT_EQ(0, ptrace(PTRACE_SETREGSET, tracee,	\
1904 # define ARCH_GETREGS(_regs)	ptrace(PTRACE_GETREGS, tracee, 0, &(_regs))
1905 # define ARCH_SETREGS(_regs)	ptrace(PTRACE_SETREGS, tracee, 0, &(_regs))
1911 		ptrace(PTRACE_GETREGSET, tracee, NT_PRSTATUS, &__v);	\
1917 		ptrace(PTRACE_SETREGSET, tracee, NT_PRSTATUS, &__v);	\
1922 int get_syscall(struct __test_metadata *_metadata, pid_t tracee)  in get_syscall()  argument
1935 		    pid_t tracee, long *syscall, long *ret)  in __change_syscall()  argument
1961 		       pid_t tracee, long syscall)  in change_syscall_nr()  argument
1963 	__change_syscall(_metadata, tracee, &syscall, NULL);  in change_syscall_nr()
1968 			pid_t tracee, long ret)  in change_syscall_ret()  argument
1972 	__change_syscall(_metadata, tracee, &syscall, &ret);  in change_syscall_ret()
1975 void tracer_seccomp(struct __test_metadata *_metadata, pid_t tracee,  in tracer_seccomp()  argument
1987 	ret = ptrace(PTRACE_GETEVENTMSG, tracee, NULL, &msg);  in tracer_seccomp()
1994 		EXPECT_EQ(__NR_getpid, get_syscall(_metadata, tracee));  in tracer_seccomp()
1995 		change_syscall_nr(_metadata, tracee, __NR_getppid);  in tracer_seccomp()
1999 		EXPECT_EQ(__NR_gettid, get_syscall(_metadata, tracee));  in tracer_seccomp()
2000 		change_syscall_ret(_metadata, tracee, 45000);  in tracer_seccomp()
2004 		EXPECT_EQ(__NR_openat, get_syscall(_metadata, tracee));  in tracer_seccomp()
2005 		change_syscall_ret(_metadata, tracee, -ESRCH);  in tracer_seccomp()
2009 		EXPECT_EQ(__NR_getppid, get_syscall(_metadata, tracee));  in tracer_seccomp()
2014 			kill(tracee, SIGKILL);  in tracer_seccomp()
2026 void tracer_ptrace(struct __test_metadata *_metadata, pid_t tracee,  in tracer_ptrace()  argument
2048 	ret = ptrace(PTRACE_GETEVENTMSG, tracee, NULL, &msg);  in tracer_ptrace()
2061 		self->syscall_nr = get_syscall(_metadata, tracee);  in tracer_ptrace()
2092 	__change_syscall(_metadata, tracee, syscall_nr, syscall_ret);  in tracer_ptrace()