| /* |
| * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl> |
| * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl> |
| * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com> |
| * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl> |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * $Id$ |
| */ |
| |
| #include "defs.h" |
| |
| #include <fcntl.h> |
| #include <sys/file.h> |
| #ifdef LINUX |
| #include <inttypes.h> |
| #endif |
| #ifdef HAVE_SYS_EPOLL_H |
| #include <sys/epoll.h> |
| #endif |
| #ifdef HAVE_LIBAIO_H |
| #include <libaio.h> |
| #endif |
| |
| #if HAVE_LONG_LONG_OFF_T |
| /* |
| * Hacks for systems that have a long long off_t |
| */ |
| #define flock64 flock /* Horrid hack */ |
| #define printflock printflock64 /* Horrider hack */ |
| #endif |
| |
| |
| static const struct xlat fcntlcmds[] = { |
| { F_DUPFD, "F_DUPFD" }, |
| { F_GETFD, "F_GETFD" }, |
| { F_SETFD, "F_SETFD" }, |
| { F_GETFL, "F_GETFL" }, |
| { F_SETFL, "F_SETFL" }, |
| { F_GETLK, "F_GETLK" }, |
| { F_SETLK, "F_SETLK" }, |
| { F_SETLKW, "F_SETLKW" }, |
| { F_GETOWN, "F_GETOWN" }, |
| { F_SETOWN, "F_SETOWN" }, |
| #ifdef F_RSETLK |
| { F_RSETLK, "F_RSETLK" }, |
| #endif |
| #ifdef F_RSETLKW |
| { F_RSETLKW, "F_RSETLKW" }, |
| #endif |
| #ifdef F_RGETLK |
| { F_RGETLK, "F_RGETLK" }, |
| #endif |
| #ifdef F_CNVT |
| { F_CNVT, "F_CNVT" }, |
| #endif |
| #ifdef F_SETSIG |
| { F_SETSIG, "F_SETSIG" }, |
| #endif |
| #ifdef F_GETSIG |
| { F_GETSIG, "F_GETSIG" }, |
| #endif |
| #ifdef F_CHKFL |
| { F_CHKFL, "F_CHKFL" }, |
| #endif |
| #ifdef F_DUP2FD |
| { F_DUP2FD, "F_DUP2FD" }, |
| #endif |
| #ifdef F_ALLOCSP |
| { F_ALLOCSP, "F_ALLOCSP" }, |
| #endif |
| #ifdef F_ISSTREAM |
| { F_ISSTREAM, "F_ISSTREAM" }, |
| #endif |
| #ifdef F_PRIV |
| { F_PRIV, "F_PRIV" }, |
| #endif |
| #ifdef F_NPRIV |
| { F_NPRIV, "F_NPRIV" }, |
| #endif |
| #ifdef F_QUOTACL |
| { F_QUOTACL, "F_QUOTACL" }, |
| #endif |
| #ifdef F_BLOCKS |
| { F_BLOCKS, "F_BLOCKS" }, |
| #endif |
| #ifdef F_BLKSIZE |
| { F_BLKSIZE, "F_BLKSIZE" }, |
| #endif |
| #ifdef F_GETOWN |
| { F_GETOWN, "F_GETOWN" }, |
| #endif |
| #ifdef F_SETOWN |
| { F_SETOWN, "F_SETOWN" }, |
| #endif |
| #ifdef F_REVOKE |
| { F_REVOKE, "F_REVOKE" }, |
| #endif |
| #ifdef F_SETLK |
| { F_SETLK, "F_SETLK" }, |
| #endif |
| #ifdef F_SETLKW |
| { F_SETLKW, "F_SETLKW" }, |
| #endif |
| #ifdef F_FREESP |
| { F_FREESP, "F_FREESP" }, |
| #endif |
| #ifdef F_GETLK |
| { F_GETLK, "F_GETLK" }, |
| #endif |
| #ifdef F_SETLK64 |
| { F_SETLK64, "F_SETLK64" }, |
| #endif |
| #ifdef F_SETLKW64 |
| { F_SETLKW64, "F_SETLKW64" }, |
| #endif |
| #ifdef F_FREESP64 |
| { F_FREESP64, "F_FREESP64" }, |
| #endif |
| #ifdef F_GETLK64 |
| { F_GETLK64, "F_GETLK64" }, |
| #endif |
| #ifdef F_SHARE |
| { F_SHARE, "F_SHARE" }, |
| #endif |
| #ifdef F_UNSHARE |
| { F_UNSHARE, "F_UNSHARE" }, |
| #endif |
| #ifdef F_SETLEASE |
| { F_SETLEASE, "F_SETLEASE" }, |
| #endif |
| #ifdef F_GETLEASE |
| { F_GETLEASE, "F_GETLEASE" }, |
| #endif |
| #ifdef F_NOTIFY |
| { F_NOTIFY, "F_NOTIFY" }, |
| #endif |
| #ifdef F_DUPFD_CLOEXEC |
| { F_DUPFD_CLOEXEC,"F_DUPFD_CLOEXEC"}, |
| #endif |
| { 0, NULL }, |
| }; |
| |
| static const struct xlat fdflags[] = { |
| #ifdef FD_CLOEXEC |
| { FD_CLOEXEC, "FD_CLOEXEC" }, |
| #endif |
| { 0, NULL }, |
| }; |
| |
| #ifdef LOCK_SH |
| |
| static const struct xlat flockcmds[] = { |
| { LOCK_SH, "LOCK_SH" }, |
| { LOCK_EX, "LOCK_EX" }, |
| { LOCK_NB, "LOCK_NB" }, |
| { LOCK_UN, "LOCK_UN" }, |
| { 0, NULL }, |
| }; |
| |
| #endif /* LOCK_SH */ |
| |
| static const struct xlat lockfcmds[] = { |
| { F_RDLCK, "F_RDLCK" }, |
| { F_WRLCK, "F_WRLCK" }, |
| { F_UNLCK, "F_UNLCK" }, |
| #ifdef F_EXLCK |
| { F_EXLCK, "F_EXLCK" }, |
| #endif |
| #ifdef F_SHLCK |
| { F_SHLCK, "F_SHLCK" }, |
| #endif |
| { 0, NULL }, |
| }; |
| |
| #ifdef F_NOTIFY |
| static const struct xlat notifyflags[] = { |
| #ifdef DN_ACCESS |
| { DN_ACCESS, "DN_ACCESS" }, |
| #endif |
| #ifdef DN_MODIFY |
| { DN_MODIFY, "DN_MODIFY" }, |
| #endif |
| #ifdef DN_CREATE |
| { DN_CREATE, "DN_CREATE" }, |
| #endif |
| #ifdef DN_DELETE |
| { DN_DELETE, "DN_DELETE" }, |
| #endif |
| #ifdef DN_RENAME |
| { DN_RENAME, "DN_RENAME" }, |
| #endif |
| #ifdef DN_ATTRIB |
| { DN_ATTRIB, "DN_ATTRIB" }, |
| #endif |
| #ifdef DN_MULTISHOT |
| { DN_MULTISHOT, "DN_MULTISHOT" }, |
| #endif |
| { 0, NULL }, |
| }; |
| #endif |
| |
| static const struct xlat whence[] = { |
| { SEEK_SET, "SEEK_SET" }, |
| { SEEK_CUR, "SEEK_CUR" }, |
| { SEEK_END, "SEEK_END" }, |
| { 0, NULL }, |
| }; |
| |
| #ifndef HAVE_LONG_LONG_OFF_T |
| /* fcntl/lockf */ |
| static void |
| printflock(struct tcb *tcp, long addr, int getlk) |
| { |
| struct flock fl; |
| |
| #if SUPPORTED_PERSONALITIES > 1 |
| if (personality_wordsize[current_personality] != sizeof(fl.l_start)) { |
| if (personality_wordsize[current_personality] == 4) { |
| /* 32-bit x86 app on x86_64 and similar cases */ |
| struct { |
| short int l_type; |
| short int l_whence; |
| int32_t l_start; /* off_t */ |
| int32_t l_len; /* off_t */ |
| int32_t l_pid; /* pid_t */ |
| } fl32; |
| if (umove(tcp, addr, &fl32) < 0) { |
| tprintf("{...}"); |
| return; |
| } |
| fl.l_type = fl32.l_type; |
| fl.l_whence = fl32.l_whence; |
| fl.l_start = fl32.l_start; |
| fl.l_len = fl32.l_len; |
| fl.l_pid = fl32.l_pid; |
| } else { |
| /* let people know we have a problem here */ |
| tprintf("{ <decode error: unsupported wordsize %d> }", |
| personality_wordsize[current_personality]); |
| return; |
| } |
| } else |
| #endif |
| { |
| if (umove(tcp, addr, &fl) < 0) { |
| tprintf("{...}"); |
| return; |
| } |
| } |
| tprintf("{type="); |
| printxval(lockfcmds, fl.l_type, "F_???"); |
| tprintf(", whence="); |
| printxval(whence, fl.l_whence, "SEEK_???"); |
| tprintf(", start=%ld, len=%ld", fl.l_start, fl.l_len); |
| if (getlk) |
| tprintf(", pid=%lu}", (unsigned long) fl.l_pid); |
| else |
| tprintf("}"); |
| } |
| #endif |
| |
| #if _LFS64_LARGEFILE || HAVE_LONG_LONG_OFF_T |
| /* fcntl/lockf */ |
| static void |
| printflock64(struct tcb *tcp, long addr, int getlk) |
| { |
| struct flock64 fl; |
| |
| if (umove(tcp, addr, &fl) < 0) { |
| tprintf("{...}"); |
| return; |
| } |
| tprintf("{type="); |
| printxval(lockfcmds, fl.l_type, "F_???"); |
| tprintf(", whence="); |
| printxval(whence, fl.l_whence, "SEEK_???"); |
| tprintf(", start=%lld, len=%lld", (long long) fl.l_start, (long long) fl.l_len); |
| if (getlk) |
| tprintf(", pid=%lu}", (unsigned long) fl.l_pid); |
| else |
| tprintf("}"); |
| } |
| #endif |
| |
| int |
| sys_fcntl(struct tcb *tcp) |
| { |
| if (entering(tcp)) { |
| printfd(tcp, tcp->u_arg[0]); |
| tprintf(", "); |
| printxval(fcntlcmds, tcp->u_arg[1], "F_???"); |
| switch (tcp->u_arg[1]) { |
| case F_SETFD: |
| tprintf(", "); |
| printflags(fdflags, tcp->u_arg[2], "FD_???"); |
| break; |
| case F_SETOWN: case F_DUPFD: |
| #ifdef F_DUPFD_CLOEXEC |
| case F_DUPFD_CLOEXEC: |
| #endif |
| tprintf(", %ld", tcp->u_arg[2]); |
| break; |
| case F_SETFL: |
| tprintf(", "); |
| tprint_open_modes(tcp->u_arg[2]); |
| break; |
| case F_SETLK: case F_SETLKW: |
| #ifdef F_FREESP |
| case F_FREESP: |
| #endif |
| tprintf(", "); |
| printflock(tcp, tcp->u_arg[2], 0); |
| break; |
| #if _LFS64_LARGEFILE |
| #ifdef F_FREESP64 |
| case F_FREESP64: |
| #endif |
| /* Linux glibc defines SETLK64 as SETLK, |
| even though the kernel has different values - as does Solaris. */ |
| #if defined(F_SETLK64) && F_SETLK64 + 0 != F_SETLK |
| case F_SETLK64: |
| #endif |
| #if defined(F_SETLKW64) && F_SETLKW64 + 0 != F_SETLKW |
| case F_SETLKW64: |
| #endif |
| tprintf(", "); |
| printflock64(tcp, tcp->u_arg[2], 0); |
| break; |
| #endif |
| #ifdef F_NOTIFY |
| case F_NOTIFY: |
| tprintf(", "); |
| printflags(notifyflags, tcp->u_arg[2], "DN_???"); |
| break; |
| #endif |
| #ifdef F_SETLEASE |
| case F_SETLEASE: |
| tprintf(", "); |
| printxval(lockfcmds, tcp->u_arg[2], "F_???"); |
| break; |
| #endif |
| } |
| } |
| else { |
| switch (tcp->u_arg[1]) { |
| case F_DUPFD: |
| #ifdef F_DUPFD_CLOEXEC |
| case F_DUPFD_CLOEXEC: |
| #endif |
| case F_SETFD: case F_SETFL: |
| case F_SETLK: case F_SETLKW: |
| case F_SETOWN: case F_GETOWN: |
| #ifdef F_NOTIFY |
| case F_NOTIFY: |
| #endif |
| #ifdef F_SETLEASE |
| case F_SETLEASE: |
| #endif |
| break; |
| case F_GETFD: |
| if (syserror(tcp) || tcp->u_rval == 0) |
| return 0; |
| tcp->auxstr = sprintflags("flags ", fdflags, tcp->u_rval); |
| return RVAL_HEX|RVAL_STR; |
| case F_GETFL: |
| if (syserror(tcp)) |
| return 0; |
| tcp->auxstr = sprint_open_modes(tcp->u_rval); |
| return RVAL_HEX|RVAL_STR; |
| case F_GETLK: |
| tprintf(", "); |
| printflock(tcp, tcp->u_arg[2], 1); |
| break; |
| #if _LFS64_LARGEFILE |
| #if defined(F_GETLK64) && F_GETLK64+0!=F_GETLK |
| case F_GETLK64: |
| #endif |
| tprintf(", "); |
| printflock64(tcp, tcp->u_arg[2], 1); |
| break; |
| #endif |
| #ifdef F_GETLEASE |
| case F_GETLEASE: |
| if (syserror(tcp)) |
| return 0; |
| tcp->auxstr = xlookup(lockfcmds, tcp->u_rval); |
| return RVAL_HEX|RVAL_STR; |
| #endif |
| default: |
| tprintf(", %#lx", tcp->u_arg[2]); |
| break; |
| } |
| } |
| return 0; |
| } |
| |
| #ifdef LOCK_SH |
| |
| int |
| sys_flock(struct tcb *tcp) |
| { |
| if (entering(tcp)) { |
| printfd(tcp, tcp->u_arg[0]); |
| tprintf(", "); |
| printflags(flockcmds, tcp->u_arg[1], "LOCK_???"); |
| } |
| return 0; |
| } |
| #endif /* LOCK_SH */ |
| |
| int |
| sys_close(struct tcb *tcp) |
| { |
| if (entering(tcp)) { |
| printfd(tcp, tcp->u_arg[0]); |
| } |
| return 0; |
| } |
| |
| int |
| sys_dup(struct tcb *tcp) |
| { |
| if (entering(tcp)) { |
| printfd(tcp, tcp->u_arg[0]); |
| } |
| return 0; |
| } |
| |
| static int |
| do_dup2(struct tcb *tcp, int flags_arg) |
| { |
| if (entering(tcp)) { |
| printfd(tcp, tcp->u_arg[0]); |
| tprintf(", "); |
| printfd(tcp, tcp->u_arg[1]); |
| if (flags_arg >= 0) { |
| tprintf(", "); |
| printflags(open_mode_flags, tcp->u_arg[flags_arg], "O_???"); |
| } |
| } |
| return 0; |
| } |
| |
| int |
| sys_dup2(struct tcb *tcp) |
| { |
| return do_dup2(tcp, -1); |
| } |
| |
| #ifdef LINUX |
| int |
| sys_dup3(struct tcb *tcp) |
| { |
| return do_dup2(tcp, 2); |
| } |
| #endif |
| |
| #if defined(ALPHA) || defined(FREEBSD) || defined(SUNOS4) |
| int |
| sys_getdtablesize(struct tcb *tcp) |
| { |
| return 0; |
| } |
| #endif /* ALPHA || FREEBSD || SUNOS4 */ |
| |
| static int |
| decode_select(struct tcb *tcp, long *args, enum bitness_t bitness) |
| { |
| int i, j, nfds; |
| unsigned int fdsize = ((((args[0] + 7) / 8) + sizeof(long) - 1) |
| & -sizeof(long)); |
| fd_set *fds; |
| static char outstr[1024]; |
| const char *sep; |
| long arg; |
| |
| if (entering(tcp)) { |
| fds = (fd_set *) malloc(fdsize); |
| if (fds == NULL) |
| fprintf(stderr, "out of memory\n"); |
| nfds = args[0]; |
| tprintf("%d", nfds); |
| for (i = 0; i < 3; i++) { |
| arg = args[i+1]; |
| if (arg == 0) { |
| tprintf(", NULL"); |
| continue; |
| } |
| if (fds == NULL || !verbose(tcp)) { |
| tprintf(", %#lx", arg); |
| continue; |
| } |
| if (umoven(tcp, arg, fdsize, (char *) fds) < 0) { |
| tprintf(", [?]"); |
| continue; |
| } |
| tprintf(", ["); |
| for (j = 0, sep = ""; j < nfds; j++) { |
| if (FD_ISSET(j, fds)) { |
| tprintf("%s", sep); |
| printfd(tcp, j); |
| sep = " "; |
| } |
| } |
| tprintf("]"); |
| } |
| free(fds); |
| tprintf(", "); |
| printtv_bitness(tcp, args[4], bitness, 0); |
| } |
| else |
| { |
| unsigned int cumlen = 0; |
| const char *sep = ""; |
| |
| if (syserror(tcp)) |
| return 0; |
| |
| if ((nfds = tcp->u_rval) == 0) { |
| tcp->auxstr = "Timeout"; |
| return RVAL_STR; |
| } |
| |
| fds = (fd_set *) malloc(fdsize); |
| if (fds == NULL) |
| fprintf(stderr, "out of memory\n"); |
| |
| outstr[0] = '\0'; |
| for (i = 0; i < 3; i++) { |
| int first = 1; |
| |
| tcp->auxstr = outstr; |
| arg = args[i+1]; |
| if (fds == NULL || !arg || |
| umoven(tcp, arg, fdsize, (char *) fds) < 0) |
| continue; |
| for (j = 0; j < args[0]; j++) { |
| if (FD_ISSET(j, fds)) { |
| char str[11 + 3 * sizeof(int)]; |
| |
| if (first) { |
| sprintf(str, "%s%s [%u", sep, |
| i == 0 ? "in" : |
| i == 1 ? "out" : |
| "except", j); |
| first = 0; |
| sep = ", "; |
| } |
| else |
| sprintf(str, " %u", j); |
| cumlen += strlen(str); |
| if (cumlen < sizeof(outstr)) |
| strcat(outstr, str); |
| nfds--; |
| } |
| } |
| if (cumlen) |
| strcat(outstr, "]"); |
| if (nfds == 0) |
| break; |
| } |
| free(fds); |
| #ifdef LINUX |
| /* This contains no useful information on SunOS. */ |
| if (args[4]) { |
| char str[128]; |
| |
| sprintf(str, "%sleft ", sep); |
| sprinttv(tcp, args[4], bitness, str + strlen(str)); |
| if ((cumlen += strlen(str)) < sizeof(outstr)) |
| strcat(outstr, str); |
| } |
| #endif /* LINUX */ |
| return RVAL_STR; |
| } |
| return 0; |
| } |
| |
| #ifdef LINUX |
| |
| int |
| sys_oldselect(struct tcb *tcp) |
| { |
| long args[5]; |
| |
| if (umoven(tcp, tcp->u_arg[0], sizeof args, (char *) args) < 0) { |
| tprintf("[...]"); |
| return 0; |
| } |
| return decode_select(tcp, args, BITNESS_CURRENT); |
| } |
| |
| #ifdef ALPHA |
| int |
| sys_osf_select(struct tcb *tcp) |
| { |
| long *args = tcp->u_arg; |
| return decode_select(tcp, args, BITNESS_32); |
| } |
| #endif |
| |
| static const struct xlat epollctls[] = { |
| #ifdef EPOLL_CTL_ADD |
| { EPOLL_CTL_ADD, "EPOLL_CTL_ADD" }, |
| #endif |
| #ifdef EPOLL_CTL_MOD |
| { EPOLL_CTL_MOD, "EPOLL_CTL_MOD" }, |
| #endif |
| #ifdef EPOLL_CTL_DEL |
| { EPOLL_CTL_DEL, "EPOLL_CTL_DEL" }, |
| #endif |
| { 0, NULL } |
| }; |
| |
| static const struct xlat epollevents[] = { |
| #ifdef EPOLLIN |
| { EPOLLIN, "EPOLLIN" }, |
| #endif |
| #ifdef EPOLLPRI |
| { EPOLLPRI, "EPOLLPRI" }, |
| #endif |
| #ifdef EPOLLOUT |
| { EPOLLOUT, "EPOLLOUT" }, |
| #endif |
| #ifdef EPOLLRDNORM |
| { EPOLLRDNORM, "EPOLLRDNORM" }, |
| #endif |
| #ifdef EPOLLRDBAND |
| { EPOLLRDBAND, "EPOLLRDBAND" }, |
| #endif |
| #ifdef EPOLLWRNORM |
| { EPOLLWRNORM, "EPOLLWRNORM" }, |
| #endif |
| #ifdef EPOLLWRBAND |
| { EPOLLWRBAND, "EPOLLWRBAND" }, |
| #endif |
| #ifdef EPOLLMSG |
| { EPOLLMSG, "EPOLLMSG" }, |
| #endif |
| #ifdef EPOLLERR |
| { EPOLLERR, "EPOLLERR" }, |
| #endif |
| #ifdef EPOLLHUP |
| { EPOLLHUP, "EPOLLHUP" }, |
| #endif |
| #ifdef EPOLLONESHOT |
| { EPOLLONESHOT, "EPOLLONESHOT" }, |
| #endif |
| #ifdef EPOLLET |
| { EPOLLET, "EPOLLET" }, |
| #endif |
| { 0, NULL } |
| }; |
| |
| int |
| sys_epoll_create(struct tcb *tcp) |
| { |
| if (entering(tcp)) |
| tprintf("%ld", tcp->u_arg[0]); |
| return 0; |
| } |
| |
| int |
| sys_epoll_create1(struct tcb *tcp) |
| { |
| if (entering(tcp)) |
| printflags(open_mode_flags, tcp->u_arg[0], "O_???"); |
| return 0; |
| } |
| |
| #ifdef HAVE_SYS_EPOLL_H |
| static void |
| print_epoll_event(struct epoll_event *ev) |
| { |
| tprintf("{"); |
| printflags(epollevents, ev->events, "EPOLL???"); |
| /* We cannot know what format the program uses, so print u32 and u64 |
| which will cover every value. */ |
| tprintf(", {u32=%" PRIu32 ", u64=%" PRIu64 "}}", |
| ev->data.u32, ev->data.u64); |
| } |
| #endif |
| |
| int |
| sys_epoll_ctl(struct tcb *tcp) |
| { |
| if (entering(tcp)) { |
| printfd(tcp, tcp->u_arg[0]); |
| tprintf(", "); |
| printxval(epollctls, tcp->u_arg[1], "EPOLL_CTL_???"); |
| tprintf(", "); |
| printfd(tcp, tcp->u_arg[2]); |
| tprintf(", "); |
| if (tcp->u_arg[3] == 0) |
| tprintf("NULL"); |
| else { |
| #ifdef HAVE_SYS_EPOLL_H |
| struct epoll_event ev; |
| if (umove(tcp, tcp->u_arg[3], &ev) == 0) |
| print_epoll_event(&ev); |
| else |
| #endif |
| tprintf("{...}"); |
| } |
| } |
| return 0; |
| } |
| |
| static void |
| epoll_wait_common(struct tcb *tcp) |
| { |
| if (entering(tcp)) { |
| printfd(tcp, tcp->u_arg[0]); |
| tprintf(", "); |
| } else { |
| if (syserror(tcp)) |
| tprintf("%lx", tcp->u_arg[1]); |
| else if (tcp->u_rval == 0) |
| tprintf("{}"); |
| else { |
| #ifdef HAVE_SYS_EPOLL_H |
| struct epoll_event ev, *start, *cur, *end; |
| int failed = 0; |
| |
| tprintf("{"); |
| start = (struct epoll_event *) tcp->u_arg[1]; |
| end = start + tcp->u_rval; |
| for (cur = start; cur < end; ++cur) { |
| if (cur > start) |
| tprintf(", "); |
| if (umove(tcp, (long) cur, &ev) == 0) |
| print_epoll_event(&ev); |
| else { |
| tprintf("?"); |
| failed = 1; |
| break; |
| } |
| } |
| tprintf("}"); |
| if (failed) |
| tprintf(" %#lx", (long) start); |
| #else |
| tprintf("{...}"); |
| #endif |
| } |
| tprintf(", %ld, %ld", tcp->u_arg[2], tcp->u_arg[3]); |
| } |
| } |
| |
| int |
| sys_epoll_wait(struct tcb *tcp) |
| { |
| epoll_wait_common(tcp); |
| return 0; |
| } |
| |
| int |
| sys_epoll_pwait(struct tcb *tcp) |
| { |
| epoll_wait_common(tcp); |
| if (exiting(tcp)) { |
| tprintf(", "); |
| print_sigset(tcp, tcp->u_arg[4], 0); |
| } |
| return 0; |
| } |
| |
| int |
| sys_io_setup(struct tcb *tcp) |
| { |
| if (entering(tcp)) |
| tprintf("%ld, ", tcp->u_arg[0]); |
| else { |
| if (syserror(tcp)) |
| tprintf("0x%0lx", tcp->u_arg[1]); |
| else { |
| unsigned long user_id; |
| if (umove(tcp, tcp->u_arg[1], &user_id) == 0) |
| tprintf("{%lu}", user_id); |
| else |
| tprintf("{...}"); |
| } |
| } |
| return 0; |
| } |
| |
| int |
| sys_io_destroy(struct tcb *tcp) |
| { |
| if (entering(tcp)) |
| tprintf("%lu", tcp->u_arg[0]); |
| return 0; |
| } |
| |
| int |
| sys_io_submit(struct tcb *tcp) |
| { |
| long nr; |
| if (entering(tcp)) { |
| tprintf("%lu, %ld, ", tcp->u_arg[0], tcp->u_arg[1]); |
| nr = tcp->u_arg[1]; |
| /* and if nr is negative? */ |
| if (nr == 0) |
| tprintf("{}"); |
| else { |
| #ifdef HAVE_LIBAIO_H |
| long i; |
| struct iocb *iocbp, **iocbs = (void *)tcp->u_arg[2]; |
| |
| for (i = 0; i < nr; i++, iocbs++) { |
| struct iocb iocb; |
| if (i == 0) |
| tprintf("{"); |
| else |
| tprintf(", "); |
| |
| if (umove(tcp, (unsigned long)iocbs, &iocbp) || |
| umove(tcp, (unsigned long)iocbp, &iocb)) { |
| tprintf("{...}"); |
| continue; |
| } |
| tprintf("{%p, %u, %hu, %hu, %d}", |
| iocb.data, iocb.key, |
| iocb.aio_lio_opcode, |
| iocb.aio_reqprio, iocb.aio_fildes); |
| } |
| if (i) |
| tprintf("}"); |
| #else |
| tprintf("{...}"); |
| #endif |
| } |
| } |
| return 0; |
| } |
| |
| int |
| sys_io_cancel(struct tcb *tcp) |
| { |
| if (entering(tcp)) { |
| #ifdef HAVE_LIBAIO_H |
| struct iocb iocb; |
| #endif |
| tprintf("%lu, ", tcp->u_arg[0]); |
| #ifdef HAVE_LIBAIO_H |
| if (umove(tcp, tcp->u_arg[1], &iocb) == 0) { |
| tprintf("{%p, %u, %hu, %hu, %d}, ", |
| iocb.data, iocb.key, |
| iocb.aio_lio_opcode, |
| iocb.aio_reqprio, iocb.aio_fildes); |
| } else |
| #endif |
| tprintf("{...}, "); |
| } else { |
| if (tcp->u_rval < 0) |
| tprintf("{...}"); |
| else { |
| #ifdef HAVE_LIBAIO_H |
| struct io_event event; |
| if (umove(tcp, tcp->u_arg[2], &event) == 0) |
| tprintf("{%p, %p, %ld, %ld}", |
| event.data, event.obj, |
| event.res, event.res2); |
| else |
| #endif |
| tprintf("{...}"); |
| } |
| } |
| return 0; |
| } |
| |
| int |
| sys_io_getevents(struct tcb *tcp) |
| { |
| if (entering(tcp)) { |
| tprintf("%ld, %ld, %ld, ", tcp->u_arg[0], tcp->u_arg[1], |
| tcp->u_arg[2]); |
| } else { |
| if (tcp->u_rval == 0) { |
| tprintf("{}"); |
| } else { |
| #ifdef HAVE_LIBAIO_H |
| struct io_event *events = (void *)tcp->u_arg[3]; |
| long i, nr = tcp->u_rval; |
| |
| for (i = 0; i < nr; i++, events++) { |
| struct io_event event; |
| |
| if (i == 0) |
| tprintf("{"); |
| else |
| tprintf(", "); |
| |
| if (umove(tcp, (unsigned long)events, &event) != 0) { |
| tprintf("{...}"); |
| continue; |
| } |
| tprintf("{%p, %p, %ld, %ld}", event.data, |
| event.obj, event.res, event.res2); |
| } |
| tprintf("}, "); |
| #else |
| tprintf("{...}"); |
| #endif |
| } |
| |
| print_timespec(tcp, tcp->u_arg[4]); |
| } |
| return 0; |
| } |
| #endif /* LINUX */ |
| |
| int |
| sys_select(struct tcb *tcp) |
| { |
| return decode_select(tcp, tcp->u_arg, BITNESS_CURRENT); |
| } |
| |
| #ifdef LINUX |
| int |
| sys_pselect6(struct tcb *tcp) |
| { |
| int rc = decode_select(tcp, tcp->u_arg, BITNESS_CURRENT); |
| if (entering(tcp)) { |
| struct { |
| void *ss; |
| unsigned long len; |
| } data; |
| if (umove(tcp, tcp->u_arg[5], &data) < 0) |
| tprintf(", %#lx", tcp->u_arg[5]); |
| else { |
| tprintf(", {"); |
| if (data.len < sizeof(long)) |
| tprintf("%#lx", (long)data.ss); |
| else |
| print_sigset(tcp, (long)data.ss, 0); |
| tprintf(", %lu}", data.len); |
| } |
| } |
| return rc; |
| } |
| |
| static int |
| do_eventfd(struct tcb *tcp, int flags_arg) |
| { |
| if (entering(tcp)) { |
| tprintf("%lu", tcp->u_arg[0]); |
| if (flags_arg >= 0) { |
| tprintf(", "); |
| printflags(open_mode_flags, tcp->u_arg[flags_arg], "O_???"); |
| } |
| } |
| return 0; |
| } |
| |
| int |
| sys_eventfd(struct tcb *tcp) |
| { |
| return do_eventfd(tcp, -1); |
| } |
| |
| int |
| sys_eventfd2(struct tcb *tcp) |
| { |
| return do_eventfd(tcp, 1); |
| } |
| #endif |