C++ (Cpp) dumpiov_in_msghdr Examples

Example #1

File: syscall.c Project: masatake/strace

static void
dumpio(struct tcb *tcp)
{
	if (syserror(tcp))
		return;

	int fd = tcp->u_arg[0];
	if (fd < 0)
		return;

	if (is_number_in_set(fd, read_set)) {
		switch (tcp->s_ent->sen) {
		case SEN_read:
		case SEN_pread:
		case SEN_recv:
		case SEN_recvfrom:
		case SEN_mq_timedreceive:
			dumpstr(tcp, tcp->u_arg[1], tcp->u_rval);
			return;
		case SEN_readv:
		case SEN_preadv:
		case SEN_preadv2:
			dumpiov_upto(tcp, tcp->u_arg[2], tcp->u_arg[1],
				     tcp->u_rval);
			return;
		case SEN_recvmsg:
			dumpiov_in_msghdr(tcp, tcp->u_arg[1], tcp->u_rval);
			return;
		case SEN_recvmmsg:
			dumpiov_in_mmsghdr(tcp, tcp->u_arg[1]);
			return;
		}
	}
	if (is_number_in_set(fd, write_set)) {
		switch (tcp->s_ent->sen) {
		case SEN_write:
		case SEN_pwrite:
		case SEN_send:
		case SEN_sendto:
		case SEN_mq_timedsend:
			dumpstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
			break;
		case SEN_writev:
		case SEN_pwritev:
		case SEN_pwritev2:
		case SEN_vmsplice:
			dumpiov_upto(tcp, tcp->u_arg[2], tcp->u_arg[1], -1);
			break;
		case SEN_sendmsg:
			dumpiov_in_msghdr(tcp, tcp->u_arg[1], -1);
			break;
		case SEN_sendmmsg:
			dumpiov_in_mmsghdr(tcp, tcp->u_arg[1]);
			break;
		}
	}
}

Example #2

File: syscall.c Project: bigzz/strace_android

static void
dumpio(struct tcb *tcp)
{
	int (*func)();

	if (syserror(tcp))
		return;
	if ((unsigned long) tcp->u_arg[0] >= num_quals)
		return;
	func = tcp->s_ent->sys_func;
	if (func == printargs)
		return;
	if (qual_flags[tcp->u_arg[0]] & QUAL_READ) {
		if (func == sys_read ||
		    func == sys_pread ||
		    func == sys_recv ||
		    func == sys_recvfrom) {
			dumpstr(tcp, tcp->u_arg[1], tcp->u_rval);
			return;
		} else if (func == sys_readv) {
			dumpiov(tcp, tcp->u_arg[2], tcp->u_arg[1]);
			return;
#if HAVE_SENDMSG
		} else if (func == sys_recvmsg) {
			dumpiov_in_msghdr(tcp, tcp->u_arg[1]);
			return;
		} else if (func == sys_recvmmsg) {
			dumpiov_in_mmsghdr(tcp, tcp->u_arg[1]);
			return;
#endif
		}
	}
	if (qual_flags[tcp->u_arg[0]] & QUAL_WRITE) {
		if (func == sys_write ||
		    func == sys_pwrite ||
		    func == sys_send ||
		    func == sys_sendto)
			dumpstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
		else if (func == sys_writev)
			dumpiov(tcp, tcp->u_arg[2], tcp->u_arg[1]);
#if HAVE_SENDMSG
		else if (func == sys_sendmsg)
			dumpiov_in_msghdr(tcp, tcp->u_arg[1]);
		else if (func == sys_sendmmsg)
			dumpiov_in_mmsghdr(tcp, tcp->u_arg[1]);
#endif
	}
}