| /* |
| * 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. |
| */ |
| |
| #include "defs.h" |
| #include <fcntl.h> |
| #if HAVE_SYS_UIO_H |
| # include <sys/uio.h> |
| #endif |
| |
| int |
| sys_read(struct tcb *tcp) |
| { |
| if (entering(tcp)) { |
| printfd(tcp, tcp->u_arg[0]); |
| tprints(", "); |
| } else { |
| if (syserror(tcp)) |
| tprintf("%#lx", tcp->u_arg[1]); |
| else |
| printstr(tcp, tcp->u_arg[1], tcp->u_rval); |
| tprintf(", %lu", tcp->u_arg[2]); |
| } |
| return 0; |
| } |
| |
| int |
| sys_write(struct tcb *tcp) |
| { |
| if (entering(tcp)) { |
| printfd(tcp, tcp->u_arg[0]); |
| tprints(", "); |
| printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]); |
| tprintf(", %lu", tcp->u_arg[2]); |
| } |
| return 0; |
| } |
| |
| #if HAVE_SYS_UIO_H |
| /* |
| * data_size limits the cumulative size of printed data. |
| * Example: recvmsg returing a short read. |
| */ |
| void |
| tprint_iov_upto(struct tcb *tcp, unsigned long len, unsigned long addr, int decode_iov, unsigned long data_size) |
| { |
| #if SUPPORTED_PERSONALITIES > 1 |
| union { |
| struct { u_int32_t base; u_int32_t len; } iov32; |
| struct { u_int64_t base; u_int64_t len; } iov64; |
| } iov; |
| #define sizeof_iov \ |
| (current_wordsize == 4 ? sizeof(iov.iov32) : sizeof(iov.iov64)) |
| #define iov_iov_base \ |
| (current_wordsize == 4 ? (uint64_t) iov.iov32.base : iov.iov64.base) |
| #define iov_iov_len \ |
| (current_wordsize == 4 ? (uint64_t) iov.iov32.len : iov.iov64.len) |
| #else |
| struct iovec iov; |
| #define sizeof_iov sizeof(iov) |
| #define iov_iov_base iov.iov_base |
| #define iov_iov_len iov.iov_len |
| #endif |
| unsigned long size, cur, end, abbrev_end; |
| int failed = 0; |
| |
| if (!len) { |
| tprints("[]"); |
| return; |
| } |
| size = len * sizeof_iov; |
| end = addr + size; |
| if (!verbose(tcp) || size / sizeof_iov != len || end < addr) { |
| tprintf("%#lx", addr); |
| return; |
| } |
| if (abbrev(tcp)) { |
| abbrev_end = addr + max_strlen * sizeof_iov; |
| if (abbrev_end < addr) |
| abbrev_end = end; |
| } else { |
| abbrev_end = end; |
| } |
| tprints("["); |
| for (cur = addr; cur < end; cur += sizeof_iov) { |
| if (cur > addr) |
| tprints(", "); |
| if (cur >= abbrev_end) { |
| tprints("..."); |
| break; |
| } |
| if (umoven(tcp, cur, sizeof_iov, (char *) &iov) < 0) { |
| tprints("?"); |
| failed = 1; |
| break; |
| } |
| tprints("{"); |
| if (decode_iov) { |
| unsigned long len = iov_iov_len; |
| if (len > data_size) |
| len = data_size; |
| data_size -= len; |
| printstr(tcp, (long) iov_iov_base, len); |
| } else |
| tprintf("%#lx", (long) iov_iov_base); |
| tprintf(", %lu}", (unsigned long)iov_iov_len); |
| } |
| tprints("]"); |
| if (failed) |
| tprintf(" %#lx", addr); |
| #undef sizeof_iov |
| #undef iov_iov_base |
| #undef iov_iov_len |
| } |
| |
| void |
| tprint_iov(struct tcb *tcp, unsigned long len, unsigned long addr, int decode_iov) |
| { |
| tprint_iov_upto(tcp, len, addr, decode_iov, (unsigned long) -1L); |
| } |
| |
| int |
| sys_readv(struct tcb *tcp) |
| { |
| if (entering(tcp)) { |
| printfd(tcp, tcp->u_arg[0]); |
| tprints(", "); |
| } else { |
| if (syserror(tcp)) { |
| tprintf("%#lx, %lu", |
| tcp->u_arg[1], tcp->u_arg[2]); |
| return 0; |
| } |
| tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1); |
| tprintf(", %lu", tcp->u_arg[2]); |
| } |
| return 0; |
| } |
| |
| int |
| sys_writev(struct tcb *tcp) |
| { |
| if (entering(tcp)) { |
| printfd(tcp, tcp->u_arg[0]); |
| tprints(", "); |
| tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1); |
| tprintf(", %lu", tcp->u_arg[2]); |
| } |
| return 0; |
| } |
| #endif |
| |
| /* The SH4 ABI does allow long longs in odd-numbered registers, but |
| does not allow them to be split between registers and memory - and |
| there are only four argument registers for normal functions. As a |
| result pread takes an extra padding argument before the offset. This |
| was changed late in the 2.4 series (around 2.4.20). */ |
| #if defined(SH) |
| #define PREAD_OFFSET_ARG 4 |
| #else |
| #define PREAD_OFFSET_ARG 3 |
| #endif |
| |
| int |
| sys_pread(struct tcb *tcp) |
| { |
| if (entering(tcp)) { |
| printfd(tcp, tcp->u_arg[0]); |
| tprints(", "); |
| } else { |
| if (syserror(tcp)) |
| tprintf("%#lx", tcp->u_arg[1]); |
| else |
| printstr(tcp, tcp->u_arg[1], tcp->u_rval); |
| tprintf(", %lu, ", tcp->u_arg[2]); |
| printllval_aligned(tcp, "%llu", PREAD_OFFSET_ARG); |
| } |
| return 0; |
| } |
| |
| int |
| sys_pwrite(struct tcb *tcp) |
| { |
| if (entering(tcp)) { |
| printfd(tcp, tcp->u_arg[0]); |
| tprints(", "); |
| printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]); |
| tprintf(", %lu, ", tcp->u_arg[2]); |
| printllval_aligned(tcp, "%llu", PREAD_OFFSET_ARG); |
| } |
| return 0; |
| } |
| |
| #if HAVE_SYS_UIO_H |
| int |
| sys_preadv(struct tcb *tcp) |
| { |
| if (entering(tcp)) { |
| printfd(tcp, tcp->u_arg[0]); |
| tprints(", "); |
| } else { |
| if (syserror(tcp)) { |
| tprintf("%#lx, %lu", tcp->u_arg[1], tcp->u_arg[2]); |
| return 0; |
| } |
| tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1); |
| tprintf(", %lu, ", tcp->u_arg[2]); |
| printllval_unaligned(tcp, "%llu", 3); |
| } |
| return 0; |
| } |
| |
| int |
| sys_pwritev(struct tcb *tcp) |
| { |
| if (entering(tcp)) { |
| printfd(tcp, tcp->u_arg[0]); |
| tprints(", "); |
| tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1); |
| tprintf(", %lu, ", tcp->u_arg[2]); |
| printllval_unaligned(tcp, "%llu", 3); |
| } |
| return 0; |
| } |
| #endif /* HAVE_SYS_UIO_H */ |
| |
| static void |
| print_off_t(struct tcb *tcp, long addr) |
| { |
| unsigned long offset; |
| |
| if (!addr) { |
| tprints("NULL"); |
| return; |
| } |
| |
| #if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4 |
| if (current_wordsize == 4) { |
| uint32_t off; |
| |
| if (umove(tcp, addr, &off) < 0) |
| tprintf("%#lx", addr); |
| else |
| tprintf("[%u]", off); |
| } else |
| #endif |
| if (umove(tcp, addr, &offset) < 0) |
| tprintf("%#lx", addr); |
| else |
| tprintf("[%lu]", offset); |
| } |
| |
| int |
| sys_sendfile(struct tcb *tcp) |
| { |
| if (entering(tcp)) { |
| printfd(tcp, tcp->u_arg[0]); |
| tprints(", "); |
| printfd(tcp, tcp->u_arg[1]); |
| tprints(", "); |
| print_off_t(tcp, tcp->u_arg[2]); |
| tprintf(", %lu", tcp->u_arg[3]); |
| } |
| return 0; |
| } |
| |
| void |
| print_loff_t(struct tcb *tcp, long addr) |
| { |
| loff_t offset; |
| |
| if (!addr) |
| tprints("NULL"); |
| else if (umove(tcp, addr, &offset) < 0) |
| tprintf("%#lx", addr); |
| else |
| tprintf("[%llu]", (unsigned long long int) offset); |
| } |
| |
| int |
| sys_sendfile64(struct tcb *tcp) |
| { |
| if (entering(tcp)) { |
| printfd(tcp, tcp->u_arg[0]); |
| tprints(", "); |
| printfd(tcp, tcp->u_arg[1]); |
| tprints(", "); |
| print_loff_t(tcp, tcp->u_arg[2]); |
| tprintf(", %lu", tcp->u_arg[3]); |
| } |
| return 0; |
| } |
| |
| #include "xlat/splice_flags.h" |
| |
| int |
| sys_tee(struct tcb *tcp) |
| { |
| if (entering(tcp)) { |
| /* int fd_in */ |
| printfd(tcp, tcp->u_arg[0]); |
| tprints(", "); |
| /* int fd_out */ |
| printfd(tcp, tcp->u_arg[1]); |
| tprints(", "); |
| /* size_t len */ |
| tprintf("%lu, ", tcp->u_arg[2]); |
| /* unsigned int flags */ |
| printflags(splice_flags, tcp->u_arg[3], "SPLICE_F_???"); |
| } |
| return 0; |
| } |
| |
| int |
| sys_splice(struct tcb *tcp) |
| { |
| if (entering(tcp)) { |
| /* int fd_in */ |
| printfd(tcp, tcp->u_arg[0]); |
| tprints(", "); |
| /* loff_t *off_in */ |
| print_loff_t(tcp, tcp->u_arg[1]); |
| tprints(", "); |
| /* int fd_out */ |
| printfd(tcp, tcp->u_arg[2]); |
| tprints(", "); |
| /* loff_t *off_out */ |
| print_loff_t(tcp, tcp->u_arg[3]); |
| tprints(", "); |
| /* size_t len */ |
| tprintf("%lu, ", tcp->u_arg[4]); |
| /* unsigned int flags */ |
| printflags(splice_flags, tcp->u_arg[5], "SPLICE_F_???"); |
| } |
| return 0; |
| } |
| |
| int |
| sys_vmsplice(struct tcb *tcp) |
| { |
| if (entering(tcp)) { |
| /* int fd */ |
| printfd(tcp, tcp->u_arg[0]); |
| tprints(", "); |
| /* const struct iovec *iov, unsigned long nr_segs */ |
| tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1); |
| tprintf(", %lu, ", tcp->u_arg[2]); |
| /* unsigned int flags */ |
| printflags(splice_flags, tcp->u_arg[3], "SPLICE_F_???"); |
| } |
| return 0; |
| } |
| |
| int |
| sys_ioctl(struct tcb *tcp) |
| { |
| const struct_ioctlent *iop; |
| |
| if (entering(tcp)) { |
| printfd(tcp, tcp->u_arg[0]); |
| tprints(", "); |
| iop = ioctl_lookup(tcp->u_arg[1]); |
| if (iop) { |
| tprints(iop->symbol); |
| while ((iop = ioctl_next_match(iop))) |
| tprintf(" or %s", iop->symbol); |
| } else |
| tprintf("%#lx", tcp->u_arg[1]); |
| ioctl_decode(tcp, tcp->u_arg[1], tcp->u_arg[2]); |
| } |
| else { |
| int ret = ioctl_decode(tcp, tcp->u_arg[1], tcp->u_arg[2]); |
| if (!ret) |
| tprintf(", %#lx", tcp->u_arg[2]); |
| else |
| return ret - 1; |
| } |
| return 0; |
| } |