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rr_print.cpp
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/*
* ____ ____ _____
* | _ \| _ \| ___| _ ________
* | |_) | |_) | |_ | | | |_ /_ /
* | _ <| _ <| _|| |_| |/ / / /
* |_| \_\_| \_\_| \__,_/___/___|
*
* Copyright (C) National University of Singapore
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "rr_info.cpp"
static const char SIG_INFO[][10] =
{
"0",
"SIGHUP",
"SIGINT",
"SIGQUIT",
"SIGILL",
"SIGTRAP",
"SIGABRT",
"SIGBUS",
"SIGFPE",
"SIGKILL",
"SIGUSR1",
"SIGSEGV",
"SIGUSR2",
"SIGPIPE",
"SIGALRM",
"SIGTERM",
"SIGSTKFLT",
"SIGCHLD",
"SIGCONT",
"SIGSTOP",
"SIGTSTP",
"SIGTTIN",
"SIGTTOU",
"SIGURG",
"SIGXCPU",
"SIGXFSZ",
"SIGVTALRM",
"SIGPROF",
"SIGWINCH",
"SIGIO",
"SIGPWR",
"SIGSYS",
"SIG32",
"SIG33",
"SIG34",
"SIG35",
"SIG36",
"SIG37",
"SIG38",
"SIG39",
"SIG40",
"SIG41",
"SIG42",
"SIG43",
"SIG44",
"SIG45",
"SIG46",
"SIG47",
"SIG48",
"SIG49",
"SIG50",
"SIG51",
"SIG52",
"SIG53",
"SIG54",
"SIG55",
"SIG56",
"SIG57",
"SIG58",
"SIG59",
"SIG60",
"SIG61",
"SIG62",
"SIG63",
"SIG64",
};
static const char ERRNO_INFO[][16] =
{
"0",
"EPERM",
"ENOENT",
"ESRCH",
"EINTR",
"EIO",
"ENXIO",
"E2BIG",
"ENOEXEC",
"EBADF",
"ECHILD",
"EAGAIN",
"ENOMEM",
"EACCES",
"EFAULT",
"ENOTBLK",
"EBUSY",
"EEXIST",
"EXDEV",
"ENODEV",
"ENOTDIR",
"EISDIR",
"EINVAL",
"ENFILE",
"EMFILE",
"ENOTTY",
"ETXTBSY",
"EFBIG",
"ENOSPC",
"ESPIPE",
"EROFS",
"EMLINK",
"EPIPE",
"EDOM",
"ERANGE",
"EDEADLK",
"ENAMETOOLONG",
"ENOLCK",
"ENOSYS",
"ENOTEMPTY",
"ELOOP",
"EWOULDBLOCK",
"ENOMSG",
"EIDRM",
"ECHRNG",
"EL2NSYNC",
"EL3HLT",
"EL3RST",
"ELNRNG",
"EUNATCH",
"ENOCSI",
"EL2HLT",
"EBADE",
"EBADR",
"EXFULL",
"ENOANO",
"EBADRQC",
"EBADSLT",
"EDEADLOCK",
"EBFONT",
"ENOSTR",
"ENODATA",
"ETIME",
"ENOSR",
"ENONET",
"ENOPKG",
"EREMOTE",
"ENOLINK",
"EADV",
"ESRMNT",
"ECOMM",
"EPROTO",
"EMULTIHOP",
"EDOTDOT",
"EBADMSG",
"EOVERFLOW",
"ENOTUNIQ",
"EBADFD",
"EREMCHG",
"ELIBACC",
"ELIBBAD",
"ELIBSCN",
"ELIBMAX",
"ELIBEXEC",
"EILSEQ",
"ERESTART",
"ESTRPIPE",
"EUSERS",
"ENOTSOCK",
"EDESTADDRREQ",
"EMSGSIZE",
"EPROTOTYPE",
"ENOPROTOOPT",
"EPROTONOSUPPORT",
"ESOCKTNOSUPPORT",
"EOPNOTSUPP",
"EPFNOSUPPORT",
"EAFNOSUPPORT",
"EADDRINUSE",
"EADDRNOTAVAIL",
"ENETDOWN",
"ENETUNREACH",
"ENETRESET",
"ECONNABORTED",
"ECONNRESET",
"ENOBUFS",
"EISCONN",
"ENOTCONN",
"ESHUTDOWN",
"ETOOMANYREFS",
"ETIMEDOUT",
"ECONNREFUSED",
"EHOSTDOWN",
"EHOSTUNREACH",
"EALREADY",
"EINPROGRESS",
"ESTALE",
"EUCLEAN",
"ENOTNAM",
"ENAVAIL",
"EISNAM",
"EREMOTEIO",
"EDQUOT",
"ENOMEDIUM",
"EMEDIUMTYPE",
"ECANCELED",
"ENOKEY",
"EKEYEXPIRED",
"EKEYREVOKED",
"EKEYREJECTED",
"EOWNERDEAD",
"ENOTRECOVERABLE",
"ERFKILL",
"EHWPOISON",
"ENOTSUP",
};
struct PRINTER
{
char *buf = NULL;
size_t size = 0;
size_t i = 0;
const char *str(void)
{
return (buf == NULL? "": buf);
}
void reserve(size_t n);
bool put(char c);
bool put(const char *s);
bool PRINTF(2, 3) format(const char *fmt, ...);
PRINTER &reset(void)
{
i = 0;
return *this;
}
size_t len(void)
{
return i;
}
~PRINTER()
{
xfree(buf);
}
};
void PRINTER::reserve(size_t n)
{
if (size - i < n)
{
size += n - (size - i) + /*extra=*/64;
size *= 3;
size /= 2;
buf = (char *)xrealloc(buf, size);
}
}
bool PRINTER::put(char c)
{
reserve(2);
buf[i++] = c;
buf[i] = '\0';
return true;
}
bool PRINTER::put(const char *s)
{
size_t n = strlen(s);
reserve(n+1);
memcpy(buf+i, s, n+1);
i += n;
return true;
}
bool PRINTER::format(const char *fmt, ...)
{
va_list ap, aq;
va_start(ap, fmt);
va_copy(aq, ap);
int r = vsnprintf(NULL, SIZE_MAX, fmt, ap);
if (r >= 0)
{
reserve(r+1);
r = vsnprintf(buf+i, r+1, fmt, aq);
i += (r >= 0? r: 0);
}
if (r < 0)
put("???");
va_end(ap);
va_end(aq);
return true;
}
static const char *signal_name(int sig)
{
if (sig == 0 || (size_t)sig >= sizeof(SIG_INFO) / sizeof(SIG_INFO[0]))
return "???";
else
return SIG_INFO[sig];
}
static const char *errno_name(int err)
{
if (err == 0 || (size_t)err >= sizeof(ERRNO_INFO) / sizeof(ERRNO_INFO[0]))
return "???";
else
return ERRNO_INFO[err];
}
static void print_char(PRINTER &P, char c)
{
if (option_hex)
P.format("%.2X", (uint8_t)c);
else
{
if (escape_char(c))
P.put('.');
else
P.put(c);
}
}
static void print_buf(PRINTER &P, const void *buf_0, ssize_t len)
{
if (buf_0 == NULL)
{
P.put("NULL");
return;
}
P.put('\"');
const char *buf = (char *)buf_0;
for (ssize_t i = 0; i < len; i++)
print_char(P, buf[i]);
P.put('\"');
}
static void print_buf_2(PRINTER &P, const void *buf, const socklen_t *len)
{
print_buf(P, (len == NULL? NULL: buf), (len == NULL? 0: *len));
}
static void print_len_2(PRINTER &P, ssize_t *len)
{
if (len == NULL)
P.put("NULL");
else
P.format("%zd", *len);
}
static void print_ptr(PRINTER &P, const void *ptr)
{
if (ptr == NULL)
P.put("NULL");
else
P.format("%p", ptr);
}
static void print_iov(PRINTER &P, const struct iovec *iov, size_t iovcnt,
size_t max = SIZE_MAX)
{
P.put('[');
for (size_t i = 0; i < iovcnt && max != 0; i++)
{
P.format("%s", (i > 0? ",": ""));
size_t len = MIN(max, iov[i].iov_len);
print_buf(P, iov[i].iov_base, len);
max -= iov[i].iov_len;
}
P.put(']');
}
static void print_iov_struct(PRINTER &P, const struct iovec *iov,
size_t iovcnt)
{
P.put('[');
for (size_t i = 0; i < iovcnt; i++)
P.format("%s{%p,%zu}", (i > 0? ",": ""), iov[i].iov_base,
iov[i].iov_len);
P.put(']');
}
static void print_output(PRINTER &P, const struct iovec *iov,
size_t iovcnt)
{
for (size_t i = 0; i < iovcnt; i++)
{
const char *buf = (char *)iov[i].iov_base;
for (size_t j = 0; j < iov[i].iov_len; j++)
{
char c = buf[j];
if (escape_char(c) && !isspace(c))
P.put('.');
else
P.put(c);
}
}
}
static void print_open_flags(PRINTER &P, int flags, int mode)
{
bool r = false;
switch (flags & O_ACCMODE)
{
case O_RDONLY: r = P.put("O_RDONLY"); break;
case O_WRONLY: r = P.put("O_WRONLY"); break;
case O_RDWR: r = P.put("O_RDWR"); break;
default: r = P.format("0x%x", flags & O_ACCMODE); break;
}
flags &= ~O_ACCMODE;
if (flags & O_APPEND) r = P.format("%sO_APPEND", (r? "|": ""));
if (flags & O_CLOEXEC) r = P.format("%sO_CLOEXEC", (r? "|": ""));
if (flags & O_CREAT) r = P.format("%sO_CREAT", (r? "|": ""));
if (flags & O_EXCL) r = P.format("%sO_EXCL", (r? "|": ""));
if (flags & O_NOFOLLOW) r = P.format("%sO_NOFOLLOW", (r? "|": ""));
if (flags & O_NONBLOCK) r = P.format("%sO_NONBLOCK", (r? "|": ""));
if (flags & O_TRUNC) r = P.format("%sO_TRUNC", (r? "|": ""));
bool creat = ((flags & O_CREAT) != 0);
flags &= ~(O_APPEND | O_CLOEXEC | O_CREAT | O_EXCL | O_NOFOLLOW |
O_NONBLOCK | O_TRUNC);
if (flags != 0x0) P.format("%s0x%x", (r? "|": ""), flags);
if (creat) P.format(",%o", mode);
}
static void print_prot_flags(PRINTER &P, int flags)
{
bool r = false;
if (flags == 0x0)
{
P.put("PROT_NONE");
return;
}
if (flags & PROT_READ) r = P.format("%sPROT_READ", (r? "|": ""));
if (flags & PROT_WRITE) r = P.format("%sPROT_WRITE", (r? "|": ""));
if (flags & PROT_EXEC) r = P.format("%sPROT_EXEC", (r? "|": ""));
flags &= ~(PROT_READ | PROT_WRITE | PROT_EXEC);
if (flags != 0x0) P.format("%s0x%x", (r? "|": ""), flags);
}
static void print_map_flags(PRINTER &P, int flags)
{
bool r = false;
if (flags & MAP_SHARED) r = P.format("%sMAP_SHARED", (r? "|": ""));
if (flags & MAP_PRIVATE) r = P.format("%sMAP_PRIVATE", (r? "|": ""));
if (flags & MAP_ANONYMOUS) r = P.format("%sMAP_ANONYMOUS", (r? "|": ""));
if (flags & MAP_FIXED) r = P.format("%sMAP_FIXED", (r? "|": ""));
if (flags & MAP_NORESERVE) r = P.format("%sMAP_NORESERVE", (r? "|": ""));
if (flags & MAP_POPULATE) r = P.format("%sMAP_POPULATE", (r? "|": ""));
flags &= ~(MAP_SHARED | MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED |
MAP_NORESERVE | MAP_POPULATE);
if (flags != 0x0) P.format("%s0x%x", (r? "|": ""), flags);
}
static void print_timeval(PRINTER &P, const struct timeval *tv)
{
if (tv == NULL)
P.put("NULL");
else
P.format("%luus",
1000000 * (size_t)tv->tv_sec + (size_t)tv->tv_usec);
}
static void print_timespec(PRINTER &P, const struct timespec *ts)
{
if (ts == NULL)
P.put("NULL");
else
P.format("%luns",
1000000000 * (size_t)ts->tv_sec + (size_t)ts->tv_nsec);
}
static void print_stat_buf(PRINTER &P, const struct stat *buf)
{
const char *type = "???";
switch (buf->st_mode & S_IFMT)
{
case S_IFSOCK: type = "S_IFSOCK"; break;
case S_IFLNK : type = "S_IFLNK"; break;
case S_IFREG : type = "S_IFREG"; break;
case S_IFBLK : type = "S_IFBLK"; break;
case S_IFDIR : type = "S_IFDIR"; break;
case S_IFCHR : type = "S_IFCHR"; break;
case S_IFIFO : type = "S_IFIFO"; break;
}
P.format("{%lu,%lu,0%o|%s,%lu,%d,%d,%zd,%zd,%zd,%zd,", buf->st_dev,
buf->st_ino, buf->st_mode & ~S_IFMT, type, buf->st_nlink, buf->st_uid,
buf->st_gid, buf->st_rdev, buf->st_size, buf->st_blksize,
buf->st_blocks);
print_timespec(P, &buf->st_atim);
P.put(',');
print_timespec(P, &buf->st_mtim);
P.put(',');
print_timespec(P, &buf->st_ctim);
P.put('}');
}
static void print_poll_events(PRINTER &P, short events)
{
bool r = false;
if (events & POLLHUP) r = P.format("POLLHUP");
if (events & POLLIN) r = P.format("%sPOLLIN", (r? "|": ""));
if (events & POLLOUT) r = P.format("%sPOLLOUT", (r? "|": ""));
if (events & POLLPRI) r = P.format("%sPOLLPRI", (r? "|": ""));
if (events & POLLERR) r = P.format("%sPOLLERR", (r? "|": ""));
if (events & POLLNVAL) r = P.format("%sPOLLERR", (r? "|": ""));
events &= ~(POLLHUP | POLLIN | POLLOUT | POLLPRI | POLLERR | POLLNVAL);
if (events) r = P.format("%s0x%x", (r? "|": ""), events);
P.format("%s", (r? "": "0x0"));
}
#define EPOLLIN 0x01
#define EPOLLPRI 0x02
#define EPOLLOUT 0x04
#define EPOLLERR 0x08
#define EPOLLHUP 0x10
static void print_epoll_events(PRINTER &P, uint32_t events)
{
bool r = false;
if (events & EPOLLHUP) r = P.format("EPOLLHUP");
if (events & EPOLLIN) r = P.format("%sEPOLLIN", (r? "|": ""));
if (events & EPOLLOUT) r = P.format("%sEPOLLOUT", (r? "|": ""));
if (events & EPOLLPRI) r = P.format("%sEPOLLPRI", (r? "|": ""));
if (events & EPOLLERR) r = P.format("%sEPOLLERR", (r? "|": ""));
events &= ~(EPOLLHUP | EPOLLIN | EPOLLOUT | EPOLLPRI | EPOLLERR);
if (events) r = P.format("%s0x%x", (r? "|": ""), events);
P.format("%s", (r? "": "0x0"));
}
static void print_pollfds(PRINTER &P, const struct pollfd *fds, size_t size)
{
size_t nfds = size / sizeof(struct pollfd);
P.put('[');
for (size_t i = 0; i < nfds; i++)
{
P.format("%s{%d,", (i > 0? ",": ""), fds[i].fd);
print_poll_events(P, fds[i].events);
P.put(',');
print_poll_events(P, fds[i].revents);
P.put('}');
}
P.put(']');
}
static void print_signal(PRINTER &P, int sig)
{
if ((size_t)sig <= sizeof(SIG_INFO) / sizeof(SIG_INFO[0]))
P.put(SIG_INFO[sig]);
else
P.format("%d", sig);
}
static void print_fd_set(PRINTER &P, const fd_set *fds)
{
if (fds == NULL)
{
P.put("NULL");
return;
}
P.put('[');
int r = 0;
for (size_t fd = 0; fd < FD_NBITS; fd++)
{
if (FD_ISSET(fd, fds))
r = P.format("%s%d", (r > 0? ",": ""), (int)fd);
}
P.put(']');
}
static void print_whence(PRINTER &P, int whence)
{
switch (whence)
{
case SEEK_SET: P.put("SEEK_SET"); break;
case SEEK_CUR: P.put("SEEK_CUR"); break;
case SEEK_END: P.put("SEEK_END"); break;
default: P.format("0x%x", whence); break;
}
}
static void print_socket_domain(PRINTER &P, int domain)
{
switch (domain)
{
case AF_UNSPEC: P.put("AF_UNSPEC"); break;
case AF_UNIX: P.put("AF_UNIX"); break;
case AF_INET: P.put("AF_INET"); break;
case AF_INET6: P.put("AF_INET6"); break;
default: P.format("0x%x", domain); break;
}
}
#define SOCK_NONBLOCK 00004000
#define SOCK_CLOEXEC 02000000
static void print_socket_type(PRINTER &P, int type)
{
if (type & SOCK_NONBLOCK) P.put("SOCK_NONBLOCK|");
if (type & SOCK_CLOEXEC) P.put("SOCK_CLOEXEC|");
type &= ~(SOCK_NONBLOCK | SOCK_CLOEXEC);
switch (type)
{
case SOCK_STREAM: P.put("SOCK_STREAM"); break;
case SOCK_DGRAM: P.put("SOCK_DGRAM"); break;
case SOCK_RAW: P.put("SOCK_RAW"); break;
case SOCK_SEQPACKET: P.put("SOCK_SEQPACKET"); break;
case SOCK_PACKET: P.put("SOCK_PACKET"); break;
default: P.format("0x%x", type); break;
}
}
static void print_socket_protocol(PRINTER &P, int protocol)
{
switch (protocol)
{
case IPPROTO_ICMP: P.put("IPPROTO_ICMP"); break;
case IPPROTO_TCP: P.put("IPPROTO_TCP"); break;
case IPPROTO_UDP: P.put("IPPROTO_UDP"); break;
default: P.format("0x%x", protocol); break;
}
}
struct sockaddr_nl
{
sa_family_t nl_family;
uint16_t nl_pad;
uint32_t nl_pid;
uint32_t nl_groups;
};
static void print_sockaddr(PRINTER &P, const struct sockaddr *addr,
const socklen_t *addrlen_ptr)
{
if (addr == NULL || addrlen_ptr == NULL)
{
P.put("NULL");
return;
}
if (*addrlen_ptr < (socklen_t)sizeof(sa_family_t))
{
P.put("<empty>");
return;
}
socklen_t addrlen = *addrlen_ptr;
switch (addr->sa_family)
{
case AF_INET:
{
const struct sockaddr_in *Addr = (struct sockaddr_in *)addr;
if (addrlen != sizeof(struct sockaddr_in))
goto bad_addr;
P.format("ip://%d.%d.%d.%d:%u",
(Addr->sin_addr.s_addr >> 0) & 0xFF,
(Addr->sin_addr.s_addr >> 8) & 0xFF,
(Addr->sin_addr.s_addr >> 16) & 0xFF,
(Addr->sin_addr.s_addr >> 24) & 0xFF,
ntohs(Addr->sin_port));
break;
}
case AF_INET6:
{
const struct sockaddr_in6 *Addr = (struct sockaddr_in6 *)addr;
if (addrlen != sizeof(struct sockaddr_in6))
goto bad_addr;
P.format("ip6://%x:%x:%x:%x:%x:%x:%x:%x:%u",
ntohs(Addr->sin6_addr.s6_addr16[0]),
ntohs(Addr->sin6_addr.s6_addr16[1]),
ntohs(Addr->sin6_addr.s6_addr16[2]),
ntohs(Addr->sin6_addr.s6_addr16[3]),
ntohs(Addr->sin6_addr.s6_addr16[4]),
ntohs(Addr->sin6_addr.s6_addr16[5]),
ntohs(Addr->sin6_addr.s6_addr16[6]),
ntohs(Addr->sin6_addr.s6_addr16[7]),
ntohs(Addr->sin6_port));
break;
}
case AF_UNIX:
{
const struct sockaddr_un *Addr = (struct sockaddr_un *)addr;
ssize_t offset = sizeof(Addr->sun_family);
if (addrlen < offset + 1)
goto bad_addr;
P.put("unix://");
ssize_t i = 0, len;
if (Addr->sun_path[0] == '\0')
{
i++;
P.put('@');
len = addrlen - offset;
}
else
{
len = addrlen - offset - 1;
len = strnlen(Addr->sun_path, len);
}
for (; i < len; i++)
{
char c = Addr->sun_path[i];
if (c != '@' && c != '\\' && !escape_char(c))
P.put(c);
else
{
P.put('\\');
unsigned d = ((c >> 4) & 0xF);
P.put(d < 10? '0' + d: 'a' + d - 10);
d = (c & 0xF);
P.put(d < 10? '0' + d: 'a' + d - 10);
}
}
break;
}
case /*AF_NETLINK=*/16:
{
const struct sockaddr_nl *Addr = (struct sockaddr_nl *)addr;
if (addrlen != sizeof(struct sockaddr_nl))
goto bad_addr;
P.format("netlink://%u:%x", Addr->nl_pid, Addr->nl_groups);
break;
}
bad_addr:
P.put("<invalid>");
break;
default:
P.put("<unknown>");
break;
}
}
static void print_int64_ptr(PRINTER &P, const int64_t *ptr)
{
if (ptr == NULL)
P.put("NULL");
else
P.format("{%ld}", *ptr);
}
static void print_int32_ptr(PRINTER &P, const int32_t *ptr)
{
if (ptr == NULL)
P.put("NULL");
else
P.format("{%d}", *ptr);
}
static void print_msghdr(PRINTER &P, const struct msghdr *msg, size_t max)
{
P.put('{');
print_sockaddr(P, (sockaddr *)msg->msg_name, &msg->msg_namelen);
P.put(',');
print_iov(P, msg->msg_iov, msg->msg_iovlen, max);
P.format(",%zu,", msg->msg_iovlen);
print_buf(P, msg->msg_control, msg->msg_controllen);
P.put(',');
P.format("0x%x", msg->msg_flags);
P.put('}');
}
static void print_msghdr_struct(PRINTER &P, const struct msghdr *msg)
{
P.format("{%p,%d,%p,%zu,%p,%zu,0x%x}",
msg->msg_name, msg->msg_namelen, msg->msg_iov, msg->msg_iovlen,
msg->msg_control, msg->msg_controllen, msg->msg_flags);
}
static void print_mmsghdr(PRINTER &P, const struct mmsghdr *mmsg, size_t max)
{
if (mmsg == NULL)
{
P.put("NULL");
return;
}
P.put('{');
print_msghdr(P, &mmsg->msg_hdr, max);
P.format(",%u}", mmsg->msg_len);
}
#define SHUT_RD 0
#define SHUT_WR 1
#define SHUT_RDWR 2
static void print_how(PRINTER &P, int how)
{
switch (how)
{
case SHUT_RD: P.put("SHUT_RD"); break;
case SHUT_WR: P.put("SHUT_WR"); break;
case SHUT_RDWR: P.put("SHUT_RDWR"); break;
default: P.format("0x%x", how); break;
}
}
#define CLONE_VM 0x00000100
#define CLONE_FS 0x00000200
#define CLONE_FILES 0x00000400
#define CLONE_SIGHAND 0x00000800
#define CLONE_PTRACE 0x00002000
#define CLONE_VFORK 0x00004000
#define CLONE_PARENT 0x00008000
#define CLONE_THREAD 0x00010000
#define CLONE_PARENT_SETTID 0x00100000
#define CLONE_CHILD_CLEARTID 0x00200000
#define CLONE_CHILD_SETTID 0x01000000
static void print_clone_flags(PRINTER &P, int flags)
{
bool r = false;
if (flags & CLONE_VM) r = P.format("%sCLONE_VM", (r? "|": ""));
if (flags & CLONE_FS) r = P.format("%sCLONE_FS", (r? "|": ""));
if (flags & CLONE_FILES) r = P.format("%sCLONE_FILES", (r? "|": ""));
if (flags & CLONE_SIGHAND)
r = P.format("%sCLONE_SIGHAND", (r? "|": ""));
if (flags & CLONE_PTRACE)
r = P.format("%sCLONE_PTRACE", (r? "|": ""));
if (flags & CLONE_VFORK)
r = P.format("%sCLONE_VFORK", (r? "|": ""));
if (flags & CLONE_PARENT)
r = P.format("%sCLONE_PARENT", (r? "|": ""));
if (flags & CLONE_THREAD)
r = P.format("%sCLONE_THREAD", (r? "|": ""));
if (flags & CLONE_PARENT_SETTID)
r = P.format("%sCLONE_PARENT_SETTID", (r? "|": ""));
if (flags & CLONE_CHILD_CLEARTID)
r = P.format("%sCLONE_CHILD_CLEARTID", (r? "|": ""));
if (flags & CLONE_CHILD_SETTID)
r = P.format("%sCLONE_CHILD_SETTID", (r? "|": ""));
flags &= ~(CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND |
CLONE_PTRACE | CLONE_VFORK | CLONE_PARENT | CLONE_THREAD |
CLONE_PARENT_SETTID | CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID);
if (flags) r = P.format("%s0x%x", (r? "|": ""), flags);
P.put(r? "": "0x0");
}
static void print_futex_op(PRINTER &P, int op)
{
if (op & FUTEX_PRIVATE_FLAG) P.put("FUTEX_PRIVATE_FLAG|");
if (op & FUTEX_CLOCK_REALTIME) P.put("FUTEX_CLOCK_REALTIME|");
op &= ~(FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME);
switch (op)
{
case FUTEX_WAIT: P.put("FUTEX_WAIT"); break;
case FUTEX_WAKE: P.put("FUTEX_WAKE"); break;
case FUTEX_REQUEUE: P.put("FUTEX_REQUEUE"); break;
case FUTEX_CMP_REQUEUE: P.put("FUTEX_CMP_REQUEUE"); break;
case FUTEX_WAKE_OP: P.put("FUTEX_WAKE_OP"); break;
case FUTEX_WAIT_BITSET: P.put("FUTEX_WAIT_BITSET"); break;
case FUTEX_WAKE_BITSET: P.put("FUTEX_WAKE_BITSET"); break;
case FUTEX_LOCK_PI: P.put("FUTEX_LOCK_PI"); break;
case FUTEX_TRYLOCK_PI: P.put("FUTEX_TRYLOCK_PI"); break;
case FUTEX_UNLOCK_PI: P.put("FUTEX_UNLOCK_PI"); break;
case FUTEX_CMP_REQUEUE_PI: P.put("FUTEX_CMP_REQUEUE_PI"); break;
case FUTEX_WAIT_REQUEUE_PI: P.put("FUTEX_WAIT_REQUEUE_PI"); break;
default: P.format("0x%x", op); break;
}
op &= ~0xFF;
if (op) P.format("|0x%x", op);
}
#define CLOCK_REALTIME 0
#define CLOCK_MONOTONIC 1
#define CLOCK_PROCESS_CPUTIME_ID 2
#define CLOCK_THREAD_CPUTIME_ID 3
#define CLOCK_MONOTONIC_RAW 4
static void print_clock(PRINTER &P, int clk)
{
switch (clk)
{
case CLOCK_REALTIME: P.put("CLOCK_REALTIME"); break;
case CLOCK_MONOTONIC: P.put("CLOCK_MONOTONIC"); break;
case CLOCK_PROCESS_CPUTIME_ID: P.put("CLOCK_PROCESS_CPUTIME_ID"); break;
case CLOCK_THREAD_CPUTIME_ID: P.put("CLOCK_THREAD_CPUTIME_ID"); break;
case CLOCK_MONOTONIC_RAW: P.put("CLOCK_MONOTONIC_RAW"); break;
default: P.format("%d", clk);
}
}
#define AT_FDCWD -100
static void print_dir(PRINTER &P, int dir)
{
if (dir == AT_FDCWD) P.put("AT_FDCWD");
else P.format("%d", dir);
}
static void print_utsname(PRINTER &P, const struct utsname *uname)
{
P.format("{\"%s\",\"%s\",\"%s\",\"%s\",\"%s\",\"%s\"}",
uname->sysname, uname->nodename, uname->release, uname->version,
uname->machine, uname->domainname);
}
struct dirent
{
uint64_t d_ino;
uint64_t d_off;
uint16_t d_reclen;
char d_name[];
};
struct dirent64
{
uint64_t d_ino;
uint64_t d_off;
uint16_t d_reclen;
uint8_t d_type;
char d_name[];
};
static void print_dirent(PRINTER &P, const struct dirent *entry, size_t size)
{
P.put('[');
for (int i = 0; ; i++)
{
if (size < sizeof(struct dirent))
break;
if (size < entry->d_reclen)
break;
P.format("%s{%lu,+%zu,%hu,\"%s\"}", (i > 0? ",": ""),
entry->d_ino, entry->d_off, entry->d_reclen, entry->d_name);
size_t reclen = entry->d_reclen;
entry = (struct dirent *)((uint8_t *)entry + reclen);
size -= reclen;
}
P.put(']');
}
static void print_dirent64(PRINTER &P, const struct dirent64 *entry,
size_t size)
{
P.put('[');
for (int i = 0; ; i++)
{
if (size < sizeof(struct dirent))
break;
if (size < entry->d_reclen)
break;
P.format("%s{%lu,+%zu,%hu,0x%.2x,\"%s\"}", (i > 0? ",": ""),
entry->d_ino, entry->d_off, entry->d_reclen,
entry->d_type, entry->d_name);
size_t reclen = entry->d_reclen;
entry = (struct dirent64 *)((uint8_t *)entry + reclen);
size -= reclen;
}
P.put(']');
}
static void print_ioctl(PRINTER &P, int cmd)
{
P.put(ioctl_info(cmd)->name);
}
static void print_ioctl_arg(PRINTER &P, int cmd, intptr_t arg)
{
size_t size = ioctl_info(cmd)->size;
if (size > 0)
print_buf(P, (const uint8_t *)arg, size);
else
P.format("%ld", arg);
}
static void print_sysinfo(PRINTER &P, const struct sysinfo *info)
{
P.format("{%ld,[%lu,%lu,%lu],%lu,%lu,%lu,%lu,%lu,%lu,%hu,%lu,%lu,%d}",
info->uptime, info->loads[0], info->loads[1], info->loads[2],
info->totalram, info->freeram, info->sharedram, info->bufferram,
info->totalswap, info->freeswap, info->procs, info->totalhigh,
info->freehigh, info->mem_unit);
}
static void print_sigaction(PRINTER &P, const struct ksigaction *action)
{
if (action == NULL)
{
P.put("NULL");
return;
}
P.format("{%p,",action->sa_handler_2);
bool r = false;
unsigned long flags = action->sa_flags;
if (flags & SA_NOCLDSTOP) r = P.format("%sSA_NOCLDSTOP", (r? "|": ""));
if (flags & SA_NOCLDWAIT) r = P.format("%sSA_NOCLDWAIT", (r? "|": ""));
if (flags & SA_SIGINFO) r = P.format("%sSA_SIGINFO", (r? "|": ""));
if (flags & SA_ONSTACK) r = P.format("%sSA_ONSTACK", (r? "|": ""));
if (flags & SA_RESTART) r = P.format("%sSA_RESTART", (r? "|": ""));
if (flags & SA_NODEFER) r = P.format("%sSA_NODEFER", (r? "|": ""));
if (flags & SA_RESETHAND) r = P.format("%sSA_RESETHAND", (r? "|": ""));
if (flags & SA_NOMASK) r = P.format("%sSA_NOMASK", (r? "|": ""));
if (flags & SA_ONESHOT) r = P.format("%sSA_ONESHOT", (r? "|": ""));
if (flags & SA_RESTORER) r = P.format("%sSA_RESTORER", (r? "|": ""));
flags &= ~(SA_NOCLDSTOP | SA_NOCLDWAIT | SA_SIGINFO | SA_ONSTACK |
SA_RESTART | SA_NODEFER | SA_RESETHAND | SA_NOMASK | SA_ONESHOT |
SA_RESTORER);
if (flags) P.format("%s0x%lx", (r? "|": ""), flags);
P.put(r? "": "0x0");
P.format(",%p,0x%lx}", action->sa_restorer, action->sa_mask);
}