1252 	struct iovec iov;  in get_syscall()  local
1255 	iov.iov_base = &regs;  in get_syscall()
1256 	iov.iov_len = sizeof(regs);  in get_syscall()
1257 	EXPECT_EQ(0, ptrace(PTRACE_GETREGSET, tracee, NT_PRSTATUS, &iov)) {  in get_syscall()
1269 	struct iovec iov;  in change_syscall()  local
1273 	iov.iov_base = &regs;  in change_syscall()
1274 	iov.iov_len = sizeof(regs);  in change_syscall()
1275 	ret = ptrace(PTRACE_GETREGSET, tracee, NT_PRSTATUS, &iov);  in change_syscall()
1298 		iov.iov_base = &syscall;  in change_syscall()
1299 		iov.iov_len = sizeof(syscall);  in change_syscall()
1301 			     &iov);  in change_syscall()
1315 	iov.iov_base = &regs;  in change_syscall()
1316 	iov.iov_len = sizeof(regs);  in change_syscall()
1317 	ret = ptrace(PTRACE_SETREGSET, tracee, NT_PRSTATUS, &iov);  in change_syscall()