2403 lines
72 KiB
C
2403 lines
72 KiB
C
/*-
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* SPDX-License-Identifier: BSD-4-Clause
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*
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* Copyright 1997 Sean Eric Fagan
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Sean Eric Fagan
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* 4. Neither the name of the author may be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* This file has routines used to print out system calls and their
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* arguments.
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*/
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#include <sys/capsicum.h>
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#include <sys/types.h>
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#define _WANT_FREEBSD11_KEVENT
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#include <sys/event.h>
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#include <sys/ioccom.h>
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#include <sys/mount.h>
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#include <sys/ptrace.h>
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#include <sys/resource.h>
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#include <sys/socket.h>
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#define _WANT_FREEBSD11_STAT
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#include <sys/stat.h>
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#include <sys/un.h>
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#include <sys/wait.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <assert.h>
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#include <ctype.h>
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#include <err.h>
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#include <fcntl.h>
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#include <poll.h>
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#include <sched.h>
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#include <signal.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sysdecode.h>
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#include <unistd.h>
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#include <vis.h>
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#include <contrib/cloudabi/cloudabi_types_common.h>
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#include "truss.h"
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#include "extern.h"
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#include "syscall.h"
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/*
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* This should probably be in its own file, sorted alphabetically.
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*/
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static struct syscall decoded_syscalls[] = {
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/* Native ABI */
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{ .name = "__acl_aclcheck_fd", .ret_type = 1, .nargs = 3,
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.args = { { Int, 0 }, { Acltype, 1 }, { Ptr, 2 } } },
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{ .name = "__acl_aclcheck_file", .ret_type = 1, .nargs = 3,
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.args = { { Name, 0 }, { Acltype, 1 }, { Ptr, 2 } } },
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{ .name = "__acl_aclcheck_link", .ret_type = 1, .nargs = 3,
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.args = { { Name, 0 }, { Acltype, 1 }, { Ptr, 2 } } },
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{ .name = "__acl_delete_fd", .ret_type = 1, .nargs = 2,
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.args = { { Int, 0 }, { Acltype, 1 } } },
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{ .name = "__acl_delete_file", .ret_type = 1, .nargs = 2,
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.args = { { Name, 0 }, { Acltype, 1 } } },
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{ .name = "__acl_delete_link", .ret_type = 1, .nargs = 2,
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.args = { { Name, 0 }, { Acltype, 1 } } },
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{ .name = "__acl_get_fd", .ret_type = 1, .nargs = 3,
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.args = { { Int, 0 }, { Acltype, 1 }, { Ptr, 2 } } },
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{ .name = "__acl_get_file", .ret_type = 1, .nargs = 3,
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.args = { { Name, 0 }, { Acltype, 1 }, { Ptr, 2 } } },
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{ .name = "__acl_get_link", .ret_type = 1, .nargs = 3,
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.args = { { Name, 0 }, { Acltype, 1 }, { Ptr, 2 } } },
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{ .name = "__acl_set_fd", .ret_type = 1, .nargs = 3,
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.args = { { Int, 0 }, { Acltype, 1 }, { Ptr, 2 } } },
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{ .name = "__acl_set_file", .ret_type = 1, .nargs = 3,
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.args = { { Name, 0 }, { Acltype, 1 }, { Ptr, 2 } } },
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{ .name = "__acl_set_link", .ret_type = 1, .nargs = 3,
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.args = { { Name, 0 }, { Acltype, 1 }, { Ptr, 2 } } },
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{ .name = "__cap_rights_get", .ret_type = 1, .nargs = 3,
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.args = { { Int, 0 }, { Int, 1 }, { CapRights | OUT, 2 } } },
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{ .name = "__getcwd", .ret_type = 1, .nargs = 2,
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.args = { { Name | OUT, 0 }, { Int, 1 } } },
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{ .name = "_umtx_op", .ret_type = 1, .nargs = 5,
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.args = { { Ptr, 0 }, { Umtxop, 1 }, { LongHex, 2 }, { Ptr, 3 },
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{ Ptr, 4 } } },
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{ .name = "accept", .ret_type = 1, .nargs = 3,
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.args = { { Int, 0 }, { Sockaddr | OUT, 1 }, { Ptr | OUT, 2 } } },
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{ .name = "access", .ret_type = 1, .nargs = 2,
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.args = { { Name | IN, 0 }, { Accessmode, 1 } } },
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{ .name = "bind", .ret_type = 1, .nargs = 3,
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.args = { { Int, 0 }, { Sockaddr | IN, 1 }, { Socklent, 2 } } },
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{ .name = "bindat", .ret_type = 1, .nargs = 4,
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.args = { { Atfd, 0 }, { Int, 1 }, { Sockaddr | IN, 2 },
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{ Int, 3 } } },
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{ .name = "break", .ret_type = 1, .nargs = 1,
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.args = { { Ptr, 0 } } },
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{ .name = "cap_fcntls_get", .ret_type = 1, .nargs = 2,
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.args = { { Int, 0 }, { CapFcntlRights | OUT, 1 } } },
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{ .name = "cap_fcntls_limit", .ret_type = 1, .nargs = 2,
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.args = { { Int, 0 }, { CapFcntlRights, 1 } } },
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{ .name = "cap_getmode", .ret_type = 1, .nargs = 1,
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.args = { { PUInt | OUT, 0 } } },
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{ .name = "cap_rights_limit", .ret_type = 1, .nargs = 2,
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.args = { { Int, 0 }, { CapRights, 1 } } },
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{ .name = "chdir", .ret_type = 1, .nargs = 1,
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.args = { { Name, 0 } } },
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{ .name = "chflags", .ret_type = 1, .nargs = 2,
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.args = { { Name | IN, 0 }, { FileFlags, 1 } } },
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{ .name = "chflagsat", .ret_type = 1, .nargs = 4,
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.args = { { Atfd, 0 }, { Name | IN, 1 }, { FileFlags, 2 },
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{ Atflags, 3 } } },
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{ .name = "chmod", .ret_type = 1, .nargs = 2,
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.args = { { Name, 0 }, { Octal, 1 } } },
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{ .name = "chown", .ret_type = 1, .nargs = 3,
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.args = { { Name, 0 }, { Int, 1 }, { Int, 2 } } },
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{ .name = "chroot", .ret_type = 1, .nargs = 1,
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.args = { { Name, 0 } } },
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{ .name = "clock_gettime", .ret_type = 1, .nargs = 2,
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.args = { { Int, 0 }, { Timespec | OUT, 1 } } },
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{ .name = "close", .ret_type = 1, .nargs = 1,
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.args = { { Int, 0 } } },
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{ .name = "compat11.fstat", .ret_type = 1, .nargs = 2,
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.args = { { Int, 0 }, { Stat11 | OUT, 1 } } },
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{ .name = "compat11.fstatat", .ret_type = 1, .nargs = 4,
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.args = { { Atfd, 0 }, { Name | IN, 1 }, { Stat11 | OUT, 2 },
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{ Atflags, 3 } } },
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{ .name = "compat11.kevent", .ret_type = 1, .nargs = 6,
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.args = { { Int, 0 }, { Kevent11, 1 }, { Int, 2 },
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{ Kevent11 | OUT, 3 }, { Int, 4 }, { Timespec, 5 } } },
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{ .name = "compat11.lstat", .ret_type = 1, .nargs = 2,
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.args = { { Name | IN, 0 }, { Stat11 | OUT, 1 } } },
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{ .name = "compat11.stat", .ret_type = 1, .nargs = 2,
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.args = { { Name | IN, 0 }, { Stat11 | OUT, 1 } } },
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{ .name = "connect", .ret_type = 1, .nargs = 3,
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.args = { { Int, 0 }, { Sockaddr | IN, 1 }, { Socklent, 2 } } },
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{ .name = "connectat", .ret_type = 1, .nargs = 4,
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.args = { { Atfd, 0 }, { Int, 1 }, { Sockaddr | IN, 2 },
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{ Int, 3 } } },
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{ .name = "dup", .ret_type = 1, .nargs = 1,
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.args = { { Int, 0 } } },
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{ .name = "dup2", .ret_type = 1, .nargs = 2,
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.args = { { Int, 0 }, { Int, 1 } } },
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{ .name = "eaccess", .ret_type = 1, .nargs = 2,
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.args = { { Name | IN, 0 }, { Accessmode, 1 } } },
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{ .name = "execve", .ret_type = 1, .nargs = 3,
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.args = { { Name | IN, 0 }, { ExecArgs | IN, 1 },
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{ ExecEnv | IN, 2 } } },
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{ .name = "exit", .ret_type = 0, .nargs = 1,
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.args = { { Hex, 0 } } },
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{ .name = "extattr_delete_fd", .ret_type = 1, .nargs = 3,
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.args = { { Int, 0 }, { Extattrnamespace, 1 }, { Name, 2 } } },
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{ .name = "extattr_delete_file", .ret_type = 1, .nargs = 3,
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.args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 } } },
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{ .name = "extattr_delete_link", .ret_type = 1, .nargs = 3,
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.args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 } } },
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{ .name = "extattr_get_fd", .ret_type = 1, .nargs = 5,
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.args = { { Int, 0 }, { Extattrnamespace, 1 }, { Name, 2 },
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{ BinString | OUT, 3 }, { Sizet, 4 } } },
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{ .name = "extattr_get_file", .ret_type = 1, .nargs = 5,
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.args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 },
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{ BinString | OUT, 3 }, { Sizet, 4 } } },
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{ .name = "extattr_get_link", .ret_type = 1, .nargs = 5,
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.args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 },
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{ BinString | OUT, 3 }, { Sizet, 4 } } },
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{ .name = "extattr_list_fd", .ret_type = 1, .nargs = 4,
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.args = { { Int, 0 }, { Extattrnamespace, 1 }, { BinString | OUT, 2 },
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{ Sizet, 3 } } },
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{ .name = "extattr_list_file", .ret_type = 1, .nargs = 4,
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.args = { { Name, 0 }, { Extattrnamespace, 1 }, { BinString | OUT, 2 },
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{ Sizet, 3 } } },
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{ .name = "extattr_list_link", .ret_type = 1, .nargs = 4,
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.args = { { Name, 0 }, { Extattrnamespace, 1 }, { BinString | OUT, 2 },
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{ Sizet, 3 } } },
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{ .name = "extattr_set_fd", .ret_type = 1, .nargs = 5,
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.args = { { Int, 0 }, { Extattrnamespace, 1 }, { Name, 2 },
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{ BinString | IN, 3 }, { Sizet, 4 } } },
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{ .name = "extattr_set_file", .ret_type = 1, .nargs = 5,
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.args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 },
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{ BinString | IN, 3 }, { Sizet, 4 } } },
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{ .name = "extattr_set_link", .ret_type = 1, .nargs = 5,
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.args = { { Name, 0 }, { Extattrnamespace, 1 }, { Name, 2 },
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{ BinString | IN, 3 }, { Sizet, 4 } } },
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{ .name = "extattrctl", .ret_type = 1, .nargs = 5,
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.args = { { Name, 0 }, { Hex, 1 }, { Name, 2 },
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{ Extattrnamespace, 3 }, { Name, 4 } } },
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{ .name = "faccessat", .ret_type = 1, .nargs = 4,
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.args = { { Atfd, 0 }, { Name | IN, 1 }, { Accessmode, 2 },
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{ Atflags, 3 } } },
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{ .name = "fchflags", .ret_type = 1, .nargs = 2,
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.args = { { Int, 0 }, { FileFlags, 1 } } },
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{ .name = "fchmod", .ret_type = 1, .nargs = 2,
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.args = { { Int, 0 }, { Octal, 1 } } },
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{ .name = "fchmodat", .ret_type = 1, .nargs = 4,
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.args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 }, { Atflags, 3 } } },
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{ .name = "fchown", .ret_type = 1, .nargs = 3,
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.args = { { Int, 0 }, { Int, 1 }, { Int, 2 } } },
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{ .name = "fchownat", .ret_type = 1, .nargs = 5,
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.args = { { Atfd, 0 }, { Name, 1 }, { Int, 2 }, { Int, 3 },
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{ Atflags, 4 } } },
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{ .name = "fcntl", .ret_type = 1, .nargs = 3,
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.args = { { Int, 0 }, { Fcntl, 1 }, { Fcntlflag, 2 } } },
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{ .name = "flock", .ret_type = 1, .nargs = 2,
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.args = { { Int, 0 }, { Flockop, 1 } } },
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{ .name = "fstat", .ret_type = 1, .nargs = 2,
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.args = { { Int, 0 }, { Stat | OUT, 1 } } },
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{ .name = "fstatat", .ret_type = 1, .nargs = 4,
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.args = { { Atfd, 0 }, { Name | IN, 1 }, { Stat | OUT, 2 },
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{ Atflags, 3 } } },
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{ .name = "fstatfs", .ret_type = 1, .nargs = 2,
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.args = { { Int, 0 }, { StatFs | OUT, 1 } } },
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{ .name = "ftruncate", .ret_type = 1, .nargs = 2,
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.args = { { Int | IN, 0 }, { QuadHex | IN, 1 } } },
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{ .name = "futimens", .ret_type = 1, .nargs = 2,
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.args = { { Int, 0 }, { Timespec2 | IN, 1 } } },
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{ .name = "futimes", .ret_type = 1, .nargs = 2,
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.args = { { Int, 0 }, { Timeval2 | IN, 1 } } },
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{ .name = "futimesat", .ret_type = 1, .nargs = 3,
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.args = { { Atfd, 0 }, { Name | IN, 1 }, { Timeval2 | IN, 2 } } },
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{ .name = "getdirentries", .ret_type = 1, .nargs = 4,
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.args = { { Int, 0 }, { BinString | OUT, 1 }, { Int, 2 },
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{ PQuadHex | OUT, 3 } } },
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{ .name = "getfsstat", .ret_type = 1, .nargs = 3,
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.args = { { Ptr, 0 }, { Long, 1 }, { Getfsstatmode, 2 } } },
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{ .name = "getitimer", .ret_type = 1, .nargs = 2,
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.args = { { Int, 0 }, { Itimerval | OUT, 2 } } },
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{ .name = "getpeername", .ret_type = 1, .nargs = 3,
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.args = { { Int, 0 }, { Sockaddr | OUT, 1 }, { Ptr | OUT, 2 } } },
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{ .name = "getpgid", .ret_type = 1, .nargs = 1,
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.args = { { Int, 0 } } },
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{ .name = "getpriority", .ret_type = 1, .nargs = 2,
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.args = { { Priowhich, 0 }, { Int, 1 } } },
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{ .name = "getrlimit", .ret_type = 1, .nargs = 2,
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.args = { { Resource, 0 }, { Rlimit | OUT, 1 } } },
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{ .name = "getrusage", .ret_type = 1, .nargs = 2,
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.args = { { RusageWho, 0 }, { Rusage | OUT, 1 } } },
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{ .name = "getsid", .ret_type = 1, .nargs = 1,
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.args = { { Int, 0 } } },
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{ .name = "getsockname", .ret_type = 1, .nargs = 3,
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.args = { { Int, 0 }, { Sockaddr | OUT, 1 }, { Ptr | OUT, 2 } } },
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{ .name = "getsockopt", .ret_type = 1, .nargs = 5,
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.args = { { Int, 0 }, { Sockoptlevel, 1 }, { Sockoptname, 2 },
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{ Ptr | OUT, 3 }, { Ptr | OUT, 4 } } },
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|
{ .name = "gettimeofday", .ret_type = 1, .nargs = 2,
|
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.args = { { Timeval | OUT, 0 }, { Ptr, 1 } } },
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|
{ .name = "ioctl", .ret_type = 1, .nargs = 3,
|
|
.args = { { Int, 0 }, { Ioctl, 1 }, { Ptr, 2 } } },
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{ .name = "kevent", .ret_type = 1, .nargs = 6,
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.args = { { Int, 0 }, { Kevent, 1 }, { Int, 2 }, { Kevent | OUT, 3 },
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{ Int, 4 }, { Timespec, 5 } } },
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|
{ .name = "kill", .ret_type = 1, .nargs = 2,
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|
.args = { { Int | IN, 0 }, { Signal | IN, 1 } } },
|
|
{ .name = "kldfind", .ret_type = 1, .nargs = 1,
|
|
.args = { { Name | IN, 0 } } },
|
|
{ .name = "kldfirstmod", .ret_type = 1, .nargs = 1,
|
|
.args = { { Int, 0 } } },
|
|
{ .name = "kldload", .ret_type = 1, .nargs = 1,
|
|
.args = { { Name | IN, 0 } } },
|
|
{ .name = "kldnext", .ret_type = 1, .nargs = 1,
|
|
.args = { { Int, 0 } } },
|
|
{ .name = "kldstat", .ret_type = 1, .nargs = 2,
|
|
.args = { { Int, 0 }, { Ptr, 1 } } },
|
|
{ .name = "kldsym", .ret_type = 1, .nargs = 3,
|
|
.args = { { Int, 0 }, { Kldsymcmd, 1 }, { Ptr, 2 } } },
|
|
{ .name = "kldunload", .ret_type = 1, .nargs = 1,
|
|
.args = { { Int, 0 } } },
|
|
{ .name = "kldunloadf", .ret_type = 1, .nargs = 2,
|
|
.args = { { Int, 0 }, { Kldunloadflags, 1 } } },
|
|
{ .name = "kse_release", .ret_type = 0, .nargs = 1,
|
|
.args = { { Timespec, 0 } } },
|
|
{ .name = "lchflags", .ret_type = 1, .nargs = 2,
|
|
.args = { { Name | IN, 0 }, { FileFlags, 1 } } },
|
|
{ .name = "lchmod", .ret_type = 1, .nargs = 2,
|
|
.args = { { Name, 0 }, { Octal, 1 } } },
|
|
{ .name = "lchown", .ret_type = 1, .nargs = 3,
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|
.args = { { Name, 0 }, { Int, 1 }, { Int, 2 } } },
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|
{ .name = "link", .ret_type = 1, .nargs = 2,
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|
.args = { { Name, 0 }, { Name, 1 } } },
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|
{ .name = "linkat", .ret_type = 1, .nargs = 5,
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|
.args = { { Atfd, 0 }, { Name, 1 }, { Atfd, 2 }, { Name, 3 },
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{ Atflags, 4 } } },
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|
{ .name = "listen", .ret_type = 1, .nargs = 2,
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|
.args = { { Int, 0 }, { Int, 1 } } },
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|
{ .name = "lseek", .ret_type = 2, .nargs = 3,
|
|
.args = { { Int, 0 }, { QuadHex, 1 }, { Whence, 2 } } },
|
|
{ .name = "lstat", .ret_type = 1, .nargs = 2,
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|
.args = { { Name | IN, 0 }, { Stat | OUT, 1 } } },
|
|
{ .name = "lutimes", .ret_type = 1, .nargs = 2,
|
|
.args = { { Name | IN, 0 }, { Timeval2 | IN, 1 } } },
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|
{ .name = "madvise", .ret_type = 1, .nargs = 3,
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|
.args = { { Ptr, 0 }, { Sizet, 1 }, { Madvice, 2 } } },
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|
{ .name = "minherit", .ret_type = 1, .nargs = 3,
|
|
.args = { { Ptr, 0 }, { Sizet, 1 }, { Minherit, 2 } } },
|
|
{ .name = "mkdir", .ret_type = 1, .nargs = 2,
|
|
.args = { { Name, 0 }, { Octal, 1 } } },
|
|
{ .name = "mkdirat", .ret_type = 1, .nargs = 3,
|
|
.args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 } } },
|
|
{ .name = "mkfifo", .ret_type = 1, .nargs = 2,
|
|
.args = { { Name, 0 }, { Octal, 1 } } },
|
|
{ .name = "mkfifoat", .ret_type = 1, .nargs = 3,
|
|
.args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 } } },
|
|
{ .name = "mknod", .ret_type = 1, .nargs = 3,
|
|
.args = { { Name, 0 }, { Octal, 1 }, { Int, 2 } } },
|
|
{ .name = "mknodat", .ret_type = 1, .nargs = 4,
|
|
.args = { { Atfd, 0 }, { Name, 1 }, { Octal, 2 }, { Int, 3 } } },
|
|
{ .name = "mlock", .ret_type = 1, .nargs = 2,
|
|
.args = { { Ptr, 0 }, { Sizet, 1 } } },
|
|
{ .name = "mlockall", .ret_type = 1, .nargs = 1,
|
|
.args = { { Mlockall, 0 } } },
|
|
{ .name = "mmap", .ret_type = 1, .nargs = 6,
|
|
.args = { { Ptr, 0 }, { Sizet, 1 }, { Mprot, 2 }, { Mmapflags, 3 },
|
|
{ Int, 4 }, { QuadHex, 5 } } },
|
|
{ .name = "modfind", .ret_type = 1, .nargs = 1,
|
|
.args = { { Name | IN, 0 } } },
|
|
{ .name = "mount", .ret_type = 1, .nargs = 4,
|
|
.args = { { Name, 0 }, { Name, 1 }, { Mountflags, 2 }, { Ptr, 3 } } },
|
|
{ .name = "mprotect", .ret_type = 1, .nargs = 3,
|
|
.args = { { Ptr, 0 }, { Sizet, 1 }, { Mprot, 2 } } },
|
|
{ .name = "msync", .ret_type = 1, .nargs = 3,
|
|
.args = { { Ptr, 0 }, { Sizet, 1 }, { Msync, 2 } } },
|
|
{ .name = "munlock", .ret_type = 1, .nargs = 2,
|
|
.args = { { Ptr, 0 }, { Sizet, 1 } } },
|
|
{ .name = "munmap", .ret_type = 1, .nargs = 2,
|
|
.args = { { Ptr, 0 }, { Sizet, 1 } } },
|
|
{ .name = "nanosleep", .ret_type = 1, .nargs = 1,
|
|
.args = { { Timespec, 0 } } },
|
|
{ .name = "nmount", .ret_type = 1, .nargs = 3,
|
|
.args = { { Ptr, 0 }, { UInt, 1 }, { Mountflags, 2 } } },
|
|
{ .name = "open", .ret_type = 1, .nargs = 3,
|
|
.args = { { Name | IN, 0 }, { Open, 1 }, { Octal, 2 } } },
|
|
{ .name = "openat", .ret_type = 1, .nargs = 4,
|
|
.args = { { Atfd, 0 }, { Name | IN, 1 }, { Open, 2 },
|
|
{ Octal, 3 } } },
|
|
{ .name = "pathconf", .ret_type = 1, .nargs = 2,
|
|
.args = { { Name | IN, 0 }, { Pathconf, 1 } } },
|
|
{ .name = "pipe", .ret_type = 1, .nargs = 1,
|
|
.args = { { PipeFds | OUT, 0 } } },
|
|
{ .name = "pipe2", .ret_type = 1, .nargs = 2,
|
|
.args = { { Ptr, 0 }, { Pipe2, 1 } } },
|
|
{ .name = "poll", .ret_type = 1, .nargs = 3,
|
|
.args = { { Pollfd, 0 }, { Int, 1 }, { Int, 2 } } },
|
|
{ .name = "posix_fadvise", .ret_type = 1, .nargs = 4,
|
|
.args = { { Int, 0 }, { QuadHex, 1 }, { QuadHex, 2 },
|
|
{ Fadvice, 3 } } },
|
|
{ .name = "posix_openpt", .ret_type = 1, .nargs = 1,
|
|
.args = { { Open, 0 } } },
|
|
{ .name = "pread", .ret_type = 1, .nargs = 4,
|
|
.args = { { Int, 0 }, { BinString | OUT, 1 }, { Sizet, 2 },
|
|
{ QuadHex, 3 } } },
|
|
{ .name = "procctl", .ret_type = 1, .nargs = 4,
|
|
.args = { { Idtype, 0 }, { Quad, 1 }, { Procctl, 2 }, { Ptr, 3 } } },
|
|
{ .name = "ptrace", .ret_type = 1, .nargs = 4,
|
|
.args = { { Ptraceop, 0 }, { Int, 1 }, { Ptr, 2 }, { Int, 3 } } },
|
|
{ .name = "pwrite", .ret_type = 1, .nargs = 4,
|
|
.args = { { Int, 0 }, { BinString | IN, 1 }, { Sizet, 2 },
|
|
{ QuadHex, 3 } } },
|
|
{ .name = "quotactl", .ret_type = 1, .nargs = 4,
|
|
.args = { { Name, 0 }, { Quotactlcmd, 1 }, { Int, 2 }, { Ptr, 3 } } },
|
|
{ .name = "read", .ret_type = 1, .nargs = 3,
|
|
.args = { { Int, 0 }, { BinString | OUT, 1 }, { Sizet, 2 } } },
|
|
{ .name = "readv", .ret_type = 1, .nargs = 3,
|
|
.args = { { Int, 0 }, { Iovec | OUT, 1 }, { Int, 2 } } },
|
|
{ .name = "readlink", .ret_type = 1, .nargs = 3,
|
|
.args = { { Name, 0 }, { Readlinkres | OUT, 1 }, { Sizet, 2 } } },
|
|
{ .name = "readlinkat", .ret_type = 1, .nargs = 4,
|
|
.args = { { Atfd, 0 }, { Name, 1 }, { Readlinkres | OUT, 2 },
|
|
{ Sizet, 3 } } },
|
|
{ .name = "reboot", .ret_type = 1, .nargs = 1,
|
|
.args = { { Reboothowto, 0 } } },
|
|
{ .name = "recvfrom", .ret_type = 1, .nargs = 6,
|
|
.args = { { Int, 0 }, { BinString | OUT, 1 }, { Sizet, 2 },
|
|
{ Msgflags, 3 }, { Sockaddr | OUT, 4 },
|
|
{ Ptr | OUT, 5 } } },
|
|
{ .name = "recvmsg", .ret_type = 1, .nargs = 3,
|
|
.args = { { Int, 0 }, { Ptr, 1 }, { Msgflags, 2 } } },
|
|
{ .name = "rename", .ret_type = 1, .nargs = 2,
|
|
.args = { { Name, 0 }, { Name, 1 } } },
|
|
{ .name = "renameat", .ret_type = 1, .nargs = 4,
|
|
.args = { { Atfd, 0 }, { Name, 1 }, { Atfd, 2 }, { Name, 3 } } },
|
|
{ .name = "rfork", .ret_type = 1, .nargs = 1,
|
|
.args = { { Rforkflags, 0 } } },
|
|
{ .name = "rmdir", .ret_type = 1, .nargs = 1,
|
|
.args = { { Name, 0 } } },
|
|
{ .name = "rtprio", .ret_type = 1, .nargs = 3,
|
|
.args = { { Rtpriofunc, 0 }, { Int, 1 }, { Ptr, 2 } } },
|
|
{ .name = "rtprio_thread", .ret_type = 1, .nargs = 3,
|
|
.args = { { Rtpriofunc, 0 }, { Int, 1 }, { Ptr, 2 } } },
|
|
{ .name = "sched_get_priority_max", .ret_type = 1, .nargs = 1,
|
|
.args = { { Schedpolicy, 0 } } },
|
|
{ .name = "sched_get_priority_min", .ret_type = 1, .nargs = 1,
|
|
.args = { { Schedpolicy, 0 } } },
|
|
{ .name = "sched_getparam", .ret_type = 1, .nargs = 2,
|
|
.args = { { Int, 0 }, { Schedparam | OUT, 1 } } },
|
|
{ .name = "sched_getscheduler", .ret_type = 1, .nargs = 1,
|
|
.args = { { Int, 0 } } },
|
|
{ .name = "sched_rr_get_interval", .ret_type = 1, .nargs = 2,
|
|
.args = { { Int, 0 }, { Timespec | OUT, 1 } } },
|
|
{ .name = "sched_setparam", .ret_type = 1, .nargs = 2,
|
|
.args = { { Int, 0 }, { Schedparam, 1 } } },
|
|
{ .name = "sched_setscheduler", .ret_type = 1, .nargs = 3,
|
|
.args = { { Int, 0 }, { Schedpolicy, 1 }, { Schedparam, 2 } } },
|
|
{ .name = "sctp_generic_recvmsg", .ret_type = 1, .nargs = 7,
|
|
.args = { { Int, 0 }, { Ptr | IN, 1 }, { Int, 2 },
|
|
{ Sockaddr | OUT, 3 }, { Ptr | OUT, 4 }, { Ptr | OUT, 5 },
|
|
{ Ptr | OUT, 6 } } },
|
|
{ .name = "sctp_generic_sendmsg", .ret_type = 1, .nargs = 7,
|
|
.args = { { Int, 0 }, { BinString | IN, 1 }, { Int, 2 },
|
|
{ Sockaddr | IN, 3 }, { Socklent, 4 }, { Ptr | IN, 5 },
|
|
{ Msgflags, 6 } } },
|
|
{ .name = "select", .ret_type = 1, .nargs = 5,
|
|
.args = { { Int, 0 }, { Fd_set, 1 }, { Fd_set, 2 }, { Fd_set, 3 },
|
|
{ Timeval, 4 } } },
|
|
{ .name = "sendmsg", .ret_type = 1, .nargs = 3,
|
|
.args = { { Int, 0 }, { Ptr, 1 }, { Msgflags, 2 } } },
|
|
{ .name = "sendto", .ret_type = 1, .nargs = 6,
|
|
.args = { { Int, 0 }, { BinString | IN, 1 }, { Sizet, 2 },
|
|
{ Msgflags, 3 }, { Sockaddr | IN, 4 },
|
|
{ Socklent | IN, 5 } } },
|
|
{ .name = "setitimer", .ret_type = 1, .nargs = 3,
|
|
.args = { { Int, 0 }, { Itimerval, 1 }, { Itimerval | OUT, 2 } } },
|
|
{ .name = "setpriority", .ret_type = 1, .nargs = 3,
|
|
.args = { { Priowhich, 0 }, { Int, 1 }, { Int, 2 } } },
|
|
{ .name = "setrlimit", .ret_type = 1, .nargs = 2,
|
|
.args = { { Resource, 0 }, { Rlimit | IN, 1 } } },
|
|
{ .name = "setsockopt", .ret_type = 1, .nargs = 5,
|
|
.args = { { Int, 0 }, { Sockoptlevel, 1 }, { Sockoptname, 2 },
|
|
{ Ptr | IN, 3 }, { Socklent, 4 } } },
|
|
{ .name = "shutdown", .ret_type = 1, .nargs = 2,
|
|
.args = { { Int, 0 }, { Shutdown, 1 } } },
|
|
{ .name = "sigaction", .ret_type = 1, .nargs = 3,
|
|
.args = { { Signal, 0 }, { Sigaction | IN, 1 },
|
|
{ Sigaction | OUT, 2 } } },
|
|
{ .name = "sigpending", .ret_type = 1, .nargs = 1,
|
|
.args = { { Sigset | OUT, 0 } } },
|
|
{ .name = "sigprocmask", .ret_type = 1, .nargs = 3,
|
|
.args = { { Sigprocmask, 0 }, { Sigset, 1 }, { Sigset | OUT, 2 } } },
|
|
{ .name = "sigqueue", .ret_type = 1, .nargs = 3,
|
|
.args = { { Int, 0 }, { Signal, 1 }, { LongHex, 2 } } },
|
|
{ .name = "sigreturn", .ret_type = 1, .nargs = 1,
|
|
.args = { { Ptr, 0 } } },
|
|
{ .name = "sigsuspend", .ret_type = 1, .nargs = 1,
|
|
.args = { { Sigset | IN, 0 } } },
|
|
{ .name = "sigtimedwait", .ret_type = 1, .nargs = 3,
|
|
.args = { { Sigset | IN, 0 }, { Siginfo | OUT, 1 },
|
|
{ Timespec | IN, 2 } } },
|
|
{ .name = "sigwait", .ret_type = 1, .nargs = 2,
|
|
.args = { { Sigset | IN, 0 }, { PSig | OUT, 1 } } },
|
|
{ .name = "sigwaitinfo", .ret_type = 1, .nargs = 2,
|
|
.args = { { Sigset | IN, 0 }, { Siginfo | OUT, 1 } } },
|
|
{ .name = "socket", .ret_type = 1, .nargs = 3,
|
|
.args = { { Sockdomain, 0 }, { Socktype, 1 }, { Sockprotocol, 2 } } },
|
|
{ .name = "stat", .ret_type = 1, .nargs = 2,
|
|
.args = { { Name | IN, 0 }, { Stat | OUT, 1 } } },
|
|
{ .name = "statfs", .ret_type = 1, .nargs = 2,
|
|
.args = { { Name | IN, 0 }, { StatFs | OUT, 1 } } },
|
|
{ .name = "symlink", .ret_type = 1, .nargs = 2,
|
|
.args = { { Name, 0 }, { Name, 1 } } },
|
|
{ .name = "symlinkat", .ret_type = 1, .nargs = 3,
|
|
.args = { { Name, 0 }, { Atfd, 1 }, { Name, 2 } } },
|
|
{ .name = "sysarch", .ret_type = 1, .nargs = 2,
|
|
.args = { { Sysarch, 0 }, { Ptr, 1 } } },
|
|
{ .name = "thr_kill", .ret_type = 1, .nargs = 2,
|
|
.args = { { Long, 0 }, { Signal, 1 } } },
|
|
{ .name = "thr_self", .ret_type = 1, .nargs = 1,
|
|
.args = { { Ptr, 0 } } },
|
|
{ .name = "thr_set_name", .ret_type = 1, .nargs = 2,
|
|
.args = { { Long, 0 }, { Name, 1 } } },
|
|
{ .name = "truncate", .ret_type = 1, .nargs = 2,
|
|
.args = { { Name | IN, 0 }, { QuadHex | IN, 1 } } },
|
|
#if 0
|
|
/* Does not exist */
|
|
{ .name = "umount", .ret_type = 1, .nargs = 2,
|
|
.args = { { Name, 0 }, { Int, 2 } } },
|
|
#endif
|
|
{ .name = "unlink", .ret_type = 1, .nargs = 1,
|
|
.args = { { Name, 0 } } },
|
|
{ .name = "unlinkat", .ret_type = 1, .nargs = 3,
|
|
.args = { { Atfd, 0 }, { Name, 1 }, { Atflags, 2 } } },
|
|
{ .name = "unmount", .ret_type = 1, .nargs = 2,
|
|
.args = { { Name, 0 }, { Mountflags, 1 } } },
|
|
{ .name = "utimensat", .ret_type = 1, .nargs = 4,
|
|
.args = { { Atfd, 0 }, { Name | IN, 1 }, { Timespec2 | IN, 2 },
|
|
{ Atflags, 3 } } },
|
|
{ .name = "utimes", .ret_type = 1, .nargs = 2,
|
|
.args = { { Name | IN, 0 }, { Timeval2 | IN, 1 } } },
|
|
{ .name = "utrace", .ret_type = 1, .nargs = 1,
|
|
.args = { { Utrace, 0 } } },
|
|
{ .name = "wait4", .ret_type = 1, .nargs = 4,
|
|
.args = { { Int, 0 }, { ExitStatus | OUT, 1 }, { Waitoptions, 2 },
|
|
{ Rusage | OUT, 3 } } },
|
|
{ .name = "wait6", .ret_type = 1, .nargs = 6,
|
|
.args = { { Idtype, 0 }, { Quad, 1 }, { ExitStatus | OUT, 2 },
|
|
{ Waitoptions, 3 }, { Rusage | OUT, 4 },
|
|
{ Siginfo | OUT, 5 } } },
|
|
{ .name = "write", .ret_type = 1, .nargs = 3,
|
|
.args = { { Int, 0 }, { BinString | IN, 1 }, { Sizet, 2 } } },
|
|
{ .name = "writev", .ret_type = 1, .nargs = 3,
|
|
.args = { { Int, 0 }, { Iovec | IN, 1 }, { Int, 2 } } },
|
|
|
|
/* Linux ABI */
|
|
{ .name = "linux_access", .ret_type = 1, .nargs = 2,
|
|
.args = { { Name, 0 }, { Accessmode, 1 } } },
|
|
{ .name = "linux_execve", .ret_type = 1, .nargs = 3,
|
|
.args = { { Name | IN, 0 }, { ExecArgs | IN, 1 },
|
|
{ ExecEnv | IN, 2 } } },
|
|
{ .name = "linux_lseek", .ret_type = 2, .nargs = 3,
|
|
.args = { { Int, 0 }, { Int, 1 }, { Whence, 2 } } },
|
|
{ .name = "linux_mkdir", .ret_type = 1, .nargs = 2,
|
|
.args = { { Name | IN, 0 }, { Int, 1 } } },
|
|
{ .name = "linux_newfstat", .ret_type = 1, .nargs = 2,
|
|
.args = { { Int, 0 }, { Ptr | OUT, 1 } } },
|
|
{ .name = "linux_newstat", .ret_type = 1, .nargs = 2,
|
|
.args = { { Name | IN, 0 }, { Ptr | OUT, 1 } } },
|
|
{ .name = "linux_open", .ret_type = 1, .nargs = 3,
|
|
.args = { { Name, 0 }, { Hex, 1 }, { Octal, 2 } } },
|
|
{ .name = "linux_readlink", .ret_type = 1, .nargs = 3,
|
|
.args = { { Name, 0 }, { Name | OUT, 1 }, { Sizet, 2 } } },
|
|
{ .name = "linux_socketcall", .ret_type = 1, .nargs = 2,
|
|
.args = { { Int, 0 }, { LinuxSockArgs, 1 } } },
|
|
{ .name = "linux_stat64", .ret_type = 1, .nargs = 2,
|
|
.args = { { Name | IN, 0 }, { Ptr | OUT, 1 } } },
|
|
|
|
/* CloudABI system calls. */
|
|
{ .name = "cloudabi_sys_clock_res_get", .ret_type = 1, .nargs = 1,
|
|
.args = { { CloudABIClockID, 0 } } },
|
|
{ .name = "cloudabi_sys_clock_time_get", .ret_type = 1, .nargs = 2,
|
|
.args = { { CloudABIClockID, 0 }, { CloudABITimestamp, 1 } } },
|
|
{ .name = "cloudabi_sys_condvar_signal", .ret_type = 1, .nargs = 3,
|
|
.args = { { Ptr, 0 }, { CloudABIMFlags, 1 }, { UInt, 2 } } },
|
|
{ .name = "cloudabi_sys_fd_close", .ret_type = 1, .nargs = 1,
|
|
.args = { { Int, 0 } } },
|
|
{ .name = "cloudabi_sys_fd_create1", .ret_type = 1, .nargs = 1,
|
|
.args = { { CloudABIFileType, 0 } } },
|
|
{ .name = "cloudabi_sys_fd_create2", .ret_type = 1, .nargs = 2,
|
|
.args = { { CloudABIFileType, 0 }, { PipeFds | OUT, 0 } } },
|
|
{ .name = "cloudabi_sys_fd_datasync", .ret_type = 1, .nargs = 1,
|
|
.args = { { Int, 0 } } },
|
|
{ .name = "cloudabi_sys_fd_dup", .ret_type = 1, .nargs = 1,
|
|
.args = { { Int, 0 } } },
|
|
{ .name = "cloudabi_sys_fd_replace", .ret_type = 1, .nargs = 2,
|
|
.args = { { Int, 0 }, { Int, 1 } } },
|
|
{ .name = "cloudabi_sys_fd_seek", .ret_type = 1, .nargs = 3,
|
|
.args = { { Int, 0 }, { Int, 1 }, { CloudABIWhence, 2 } } },
|
|
{ .name = "cloudabi_sys_fd_stat_get", .ret_type = 1, .nargs = 2,
|
|
.args = { { Int, 0 }, { CloudABIFDStat | OUT, 1 } } },
|
|
{ .name = "cloudabi_sys_fd_stat_put", .ret_type = 1, .nargs = 3,
|
|
.args = { { Int, 0 }, { CloudABIFDStat | IN, 1 },
|
|
{ ClouduABIFDSFlags, 2 } } },
|
|
{ .name = "cloudabi_sys_fd_sync", .ret_type = 1, .nargs = 1,
|
|
.args = { { Int, 0 } } },
|
|
{ .name = "cloudabi_sys_file_advise", .ret_type = 1, .nargs = 4,
|
|
.args = { { Int, 0 }, { Int, 1 }, { Int, 2 },
|
|
{ CloudABIAdvice, 3 } } },
|
|
{ .name = "cloudabi_sys_file_allocate", .ret_type = 1, .nargs = 3,
|
|
.args = { { Int, 0 }, { Int, 1 }, { Int, 2 } } },
|
|
{ .name = "cloudabi_sys_file_create", .ret_type = 1, .nargs = 3,
|
|
.args = { { Int, 0 }, { BinString | IN, 1 },
|
|
{ CloudABIFileType, 3 } } },
|
|
{ .name = "cloudabi_sys_file_link", .ret_type = 1, .nargs = 4,
|
|
.args = { { CloudABILookup, 0 }, { BinString | IN, 1 },
|
|
{ Int, 3 }, { BinString | IN, 4 } } },
|
|
{ .name = "cloudabi_sys_file_open", .ret_type = 1, .nargs = 4,
|
|
.args = { { Int, 0 }, { BinString | IN, 1 },
|
|
{ CloudABIOFlags, 3 }, { CloudABIFDStat | IN, 4 } } },
|
|
{ .name = "cloudabi_sys_file_readdir", .ret_type = 1, .nargs = 4,
|
|
.args = { { Int, 0 }, { BinString | OUT, 1 }, { Int, 2 },
|
|
{ Int, 3 } } },
|
|
{ .name = "cloudabi_sys_file_readlink", .ret_type = 1, .nargs = 4,
|
|
.args = { { Int, 0 }, { BinString | IN, 1 },
|
|
{ BinString | OUT, 3 }, { Int, 4 } } },
|
|
{ .name = "cloudabi_sys_file_rename", .ret_type = 1, .nargs = 4,
|
|
.args = { { Int, 0 }, { BinString | IN, 1 },
|
|
{ Int, 3 }, { BinString | IN, 4 } } },
|
|
{ .name = "cloudabi_sys_file_stat_fget", .ret_type = 1, .nargs = 2,
|
|
.args = { { Int, 0 }, { CloudABIFileStat | OUT, 1 } } },
|
|
{ .name = "cloudabi_sys_file_stat_fput", .ret_type = 1, .nargs = 3,
|
|
.args = { { Int, 0 }, { CloudABIFileStat | IN, 1 },
|
|
{ CloudABIFSFlags, 2 } } },
|
|
{ .name = "cloudabi_sys_file_stat_get", .ret_type = 1, .nargs = 3,
|
|
.args = { { CloudABILookup, 0 }, { BinString | IN, 1 },
|
|
{ CloudABIFileStat | OUT, 3 } } },
|
|
{ .name = "cloudabi_sys_file_stat_put", .ret_type = 1, .nargs = 4,
|
|
.args = { { CloudABILookup, 0 }, { BinString | IN, 1 },
|
|
{ CloudABIFileStat | IN, 3 }, { CloudABIFSFlags, 4 } } },
|
|
{ .name = "cloudabi_sys_file_symlink", .ret_type = 1, .nargs = 3,
|
|
.args = { { BinString | IN, 0 },
|
|
{ Int, 2 }, { BinString | IN, 3 } } },
|
|
{ .name = "cloudabi_sys_file_unlink", .ret_type = 1, .nargs = 3,
|
|
.args = { { Int, 0 }, { BinString | IN, 1 },
|
|
{ CloudABIULFlags, 3 } } },
|
|
{ .name = "cloudabi_sys_lock_unlock", .ret_type = 1, .nargs = 2,
|
|
.args = { { Ptr, 0 }, { CloudABIMFlags, 1 } } },
|
|
{ .name = "cloudabi_sys_mem_advise", .ret_type = 1, .nargs = 3,
|
|
.args = { { Ptr, 0 }, { Int, 1 }, { CloudABIAdvice, 2 } } },
|
|
{ .name = "cloudabi_sys_mem_map", .ret_type = 1, .nargs = 6,
|
|
.args = { { Ptr, 0 }, { Int, 1 }, { CloudABIMProt, 2 },
|
|
{ CloudABIMFlags, 3 }, { Int, 4 }, { Int, 5 } } },
|
|
{ .name = "cloudabi_sys_mem_protect", .ret_type = 1, .nargs = 3,
|
|
.args = { { Ptr, 0 }, { Int, 1 }, { CloudABIMProt, 2 } } },
|
|
{ .name = "cloudabi_sys_mem_sync", .ret_type = 1, .nargs = 3,
|
|
.args = { { Ptr, 0 }, { Int, 1 }, { CloudABIMSFlags, 2 } } },
|
|
{ .name = "cloudabi_sys_mem_unmap", .ret_type = 1, .nargs = 2,
|
|
.args = { { Ptr, 0 }, { Int, 1 } } },
|
|
{ .name = "cloudabi_sys_proc_exec", .ret_type = 1, .nargs = 5,
|
|
.args = { { Int, 0 }, { BinString | IN, 1 }, { Int, 2 },
|
|
{ IntArray, 3 }, { Int, 4 } } },
|
|
{ .name = "cloudabi_sys_proc_exit", .ret_type = 1, .nargs = 1,
|
|
.args = { { Int, 0 } } },
|
|
{ .name = "cloudabi_sys_proc_fork", .ret_type = 1, .nargs = 0 },
|
|
{ .name = "cloudabi_sys_proc_raise", .ret_type = 1, .nargs = 1,
|
|
.args = { { CloudABISignal, 0 } } },
|
|
{ .name = "cloudabi_sys_random_get", .ret_type = 1, .nargs = 2,
|
|
.args = { { BinString | OUT, 0 }, { Int, 1 } } },
|
|
{ .name = "cloudabi_sys_sock_shutdown", .ret_type = 1, .nargs = 2,
|
|
.args = { { Int, 0 }, { CloudABISDFlags, 1 } } },
|
|
{ .name = "cloudabi_sys_thread_exit", .ret_type = 1, .nargs = 2,
|
|
.args = { { Ptr, 0 }, { CloudABIMFlags, 1 } } },
|
|
{ .name = "cloudabi_sys_thread_yield", .ret_type = 1, .nargs = 0 },
|
|
|
|
{ .name = 0 },
|
|
};
|
|
static STAILQ_HEAD(, syscall) syscalls;
|
|
|
|
/* Xlat idea taken from strace */
|
|
struct xlat {
|
|
int val;
|
|
const char *str;
|
|
};
|
|
|
|
#define X(a) { a, #a },
|
|
#define XEND { 0, NULL }
|
|
|
|
static struct xlat poll_flags[] = {
|
|
X(POLLSTANDARD) X(POLLIN) X(POLLPRI) X(POLLOUT) X(POLLERR)
|
|
X(POLLHUP) X(POLLNVAL) X(POLLRDNORM) X(POLLRDBAND)
|
|
X(POLLWRBAND) X(POLLINIGNEOF) XEND
|
|
};
|
|
|
|
static struct xlat sigaction_flags[] = {
|
|
X(SA_ONSTACK) X(SA_RESTART) X(SA_RESETHAND) X(SA_NOCLDSTOP)
|
|
X(SA_NODEFER) X(SA_NOCLDWAIT) X(SA_SIGINFO) XEND
|
|
};
|
|
|
|
static struct xlat linux_socketcall_ops[] = {
|
|
X(LINUX_SOCKET) X(LINUX_BIND) X(LINUX_CONNECT) X(LINUX_LISTEN)
|
|
X(LINUX_ACCEPT) X(LINUX_GETSOCKNAME) X(LINUX_GETPEERNAME)
|
|
X(LINUX_SOCKETPAIR) X(LINUX_SEND) X(LINUX_RECV) X(LINUX_SENDTO)
|
|
X(LINUX_RECVFROM) X(LINUX_SHUTDOWN) X(LINUX_SETSOCKOPT)
|
|
X(LINUX_GETSOCKOPT) X(LINUX_SENDMSG) X(LINUX_RECVMSG)
|
|
XEND
|
|
};
|
|
|
|
#undef X
|
|
#define X(a) { CLOUDABI_##a, #a },
|
|
|
|
static struct xlat cloudabi_advice[] = {
|
|
X(ADVICE_DONTNEED) X(ADVICE_NOREUSE) X(ADVICE_NORMAL)
|
|
X(ADVICE_RANDOM) X(ADVICE_SEQUENTIAL) X(ADVICE_WILLNEED)
|
|
XEND
|
|
};
|
|
|
|
static struct xlat cloudabi_clockid[] = {
|
|
X(CLOCK_MONOTONIC) X(CLOCK_PROCESS_CPUTIME_ID)
|
|
X(CLOCK_REALTIME) X(CLOCK_THREAD_CPUTIME_ID)
|
|
XEND
|
|
};
|
|
|
|
static struct xlat cloudabi_fdflags[] = {
|
|
X(FDFLAG_APPEND) X(FDFLAG_DSYNC) X(FDFLAG_NONBLOCK)
|
|
X(FDFLAG_RSYNC) X(FDFLAG_SYNC)
|
|
XEND
|
|
};
|
|
|
|
static struct xlat cloudabi_fdsflags[] = {
|
|
X(FDSTAT_FLAGS) X(FDSTAT_RIGHTS)
|
|
XEND
|
|
};
|
|
|
|
static struct xlat cloudabi_filetype[] = {
|
|
X(FILETYPE_UNKNOWN) X(FILETYPE_BLOCK_DEVICE)
|
|
X(FILETYPE_CHARACTER_DEVICE) X(FILETYPE_DIRECTORY)
|
|
X(FILETYPE_PROCESS) X(FILETYPE_REGULAR_FILE)
|
|
X(FILETYPE_SHARED_MEMORY) X(FILETYPE_SOCKET_DGRAM)
|
|
X(FILETYPE_SOCKET_STREAM) X(FILETYPE_SYMBOLIC_LINK)
|
|
XEND
|
|
};
|
|
|
|
static struct xlat cloudabi_fsflags[] = {
|
|
X(FILESTAT_ATIM) X(FILESTAT_ATIM_NOW) X(FILESTAT_MTIM)
|
|
X(FILESTAT_MTIM_NOW) X(FILESTAT_SIZE)
|
|
XEND
|
|
};
|
|
|
|
static struct xlat cloudabi_mflags[] = {
|
|
X(MAP_ANON) X(MAP_FIXED) X(MAP_PRIVATE) X(MAP_SHARED)
|
|
XEND
|
|
};
|
|
|
|
static struct xlat cloudabi_mprot[] = {
|
|
X(PROT_EXEC) X(PROT_WRITE) X(PROT_READ)
|
|
XEND
|
|
};
|
|
|
|
static struct xlat cloudabi_msflags[] = {
|
|
X(MS_ASYNC) X(MS_INVALIDATE) X(MS_SYNC)
|
|
XEND
|
|
};
|
|
|
|
static struct xlat cloudabi_oflags[] = {
|
|
X(O_CREAT) X(O_DIRECTORY) X(O_EXCL) X(O_TRUNC)
|
|
XEND
|
|
};
|
|
|
|
static struct xlat cloudabi_sdflags[] = {
|
|
X(SHUT_RD) X(SHUT_WR)
|
|
XEND
|
|
};
|
|
|
|
static struct xlat cloudabi_signal[] = {
|
|
X(SIGABRT) X(SIGALRM) X(SIGBUS) X(SIGCHLD) X(SIGCONT) X(SIGFPE)
|
|
X(SIGHUP) X(SIGILL) X(SIGINT) X(SIGKILL) X(SIGPIPE) X(SIGQUIT)
|
|
X(SIGSEGV) X(SIGSTOP) X(SIGSYS) X(SIGTERM) X(SIGTRAP) X(SIGTSTP)
|
|
X(SIGTTIN) X(SIGTTOU) X(SIGURG) X(SIGUSR1) X(SIGUSR2)
|
|
X(SIGVTALRM) X(SIGXCPU) X(SIGXFSZ)
|
|
XEND
|
|
};
|
|
|
|
static struct xlat cloudabi_ulflags[] = {
|
|
X(UNLINK_REMOVEDIR)
|
|
XEND
|
|
};
|
|
|
|
static struct xlat cloudabi_whence[] = {
|
|
X(WHENCE_CUR) X(WHENCE_END) X(WHENCE_SET)
|
|
XEND
|
|
};
|
|
|
|
#undef X
|
|
#undef XEND
|
|
|
|
/*
|
|
* Searches an xlat array for a value, and returns it if found. Otherwise
|
|
* return a string representation.
|
|
*/
|
|
static const char *
|
|
lookup(struct xlat *xlat, int val, int base)
|
|
{
|
|
static char tmp[16];
|
|
|
|
for (; xlat->str != NULL; xlat++)
|
|
if (xlat->val == val)
|
|
return (xlat->str);
|
|
switch (base) {
|
|
case 8:
|
|
sprintf(tmp, "0%o", val);
|
|
break;
|
|
case 16:
|
|
sprintf(tmp, "0x%x", val);
|
|
break;
|
|
case 10:
|
|
sprintf(tmp, "%u", val);
|
|
break;
|
|
default:
|
|
errx(1,"Unknown lookup base");
|
|
break;
|
|
}
|
|
return (tmp);
|
|
}
|
|
|
|
static const char *
|
|
xlookup(struct xlat *xlat, int val)
|
|
{
|
|
|
|
return (lookup(xlat, val, 16));
|
|
}
|
|
|
|
/*
|
|
* Searches an xlat array containing bitfield values. Remaining bits
|
|
* set after removing the known ones are printed at the end:
|
|
* IN|0x400.
|
|
*/
|
|
static char *
|
|
xlookup_bits(struct xlat *xlat, int val)
|
|
{
|
|
int len, rem;
|
|
static char str[512];
|
|
|
|
len = 0;
|
|
rem = val;
|
|
for (; xlat->str != NULL; xlat++) {
|
|
if ((xlat->val & rem) == xlat->val) {
|
|
/*
|
|
* Don't print the "all-bits-zero" string unless all
|
|
* bits are really zero.
|
|
*/
|
|
if (xlat->val == 0 && val != 0)
|
|
continue;
|
|
len += sprintf(str + len, "%s|", xlat->str);
|
|
rem &= ~(xlat->val);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If we have leftover bits or didn't match anything, print
|
|
* the remainder.
|
|
*/
|
|
if (rem || len == 0)
|
|
len += sprintf(str + len, "0x%x", rem);
|
|
if (len && str[len - 1] == '|')
|
|
len--;
|
|
str[len] = 0;
|
|
return (str);
|
|
}
|
|
|
|
static void
|
|
print_integer_arg(const char *(*decoder)(int), FILE *fp, int value)
|
|
{
|
|
const char *str;
|
|
|
|
str = decoder(value);
|
|
if (str != NULL)
|
|
fputs(str, fp);
|
|
else
|
|
fprintf(fp, "%d", value);
|
|
}
|
|
|
|
static void
|
|
print_mask_arg(bool (*decoder)(FILE *, int, int *), FILE *fp, int value)
|
|
{
|
|
int rem;
|
|
|
|
if (!decoder(fp, value, &rem))
|
|
fprintf(fp, "0x%x", rem);
|
|
else if (rem != 0)
|
|
fprintf(fp, "|0x%x", rem);
|
|
}
|
|
|
|
static void
|
|
print_mask_arg32(bool (*decoder)(FILE *, uint32_t, uint32_t *), FILE *fp,
|
|
uint32_t value)
|
|
{
|
|
uint32_t rem;
|
|
|
|
if (!decoder(fp, value, &rem))
|
|
fprintf(fp, "0x%x", rem);
|
|
else if (rem != 0)
|
|
fprintf(fp, "|0x%x", rem);
|
|
}
|
|
|
|
#ifndef __LP64__
|
|
/*
|
|
* Add argument padding to subsequent system calls afater a Quad
|
|
* syscall arguments as needed. This used to be done by hand in the
|
|
* decoded_syscalls table which was ugly and error prone. It is
|
|
* simpler to do the fixup of offsets at initalization time than when
|
|
* decoding arguments.
|
|
*/
|
|
static void
|
|
quad_fixup(struct syscall *sc)
|
|
{
|
|
int offset, prev;
|
|
u_int i;
|
|
|
|
offset = 0;
|
|
prev = -1;
|
|
for (i = 0; i < sc->nargs; i++) {
|
|
/* This arg type is a dummy that doesn't use offset. */
|
|
if ((sc->args[i].type & ARG_MASK) == PipeFds)
|
|
continue;
|
|
|
|
assert(prev < sc->args[i].offset);
|
|
prev = sc->args[i].offset;
|
|
sc->args[i].offset += offset;
|
|
switch (sc->args[i].type & ARG_MASK) {
|
|
case Quad:
|
|
case QuadHex:
|
|
#ifdef __powerpc__
|
|
/*
|
|
* 64-bit arguments on 32-bit powerpc must be
|
|
* 64-bit aligned. If the current offset is
|
|
* not aligned, the calling convention inserts
|
|
* a 32-bit pad argument that should be skipped.
|
|
*/
|
|
if (sc->args[i].offset % 2 == 1) {
|
|
sc->args[i].offset++;
|
|
offset++;
|
|
}
|
|
#endif
|
|
offset++;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
void
|
|
init_syscalls(void)
|
|
{
|
|
struct syscall *sc;
|
|
|
|
STAILQ_INIT(&syscalls);
|
|
for (sc = decoded_syscalls; sc->name != NULL; sc++) {
|
|
#ifndef __LP64__
|
|
quad_fixup(sc);
|
|
#endif
|
|
STAILQ_INSERT_HEAD(&syscalls, sc, entries);
|
|
}
|
|
}
|
|
|
|
static struct syscall *
|
|
find_syscall(struct procabi *abi, u_int number)
|
|
{
|
|
struct extra_syscall *es;
|
|
|
|
if (number < nitems(abi->syscalls))
|
|
return (abi->syscalls[number]);
|
|
STAILQ_FOREACH(es, &abi->extra_syscalls, entries) {
|
|
if (es->number == number)
|
|
return (es->sc);
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
static void
|
|
add_syscall(struct procabi *abi, u_int number, struct syscall *sc)
|
|
{
|
|
struct extra_syscall *es;
|
|
|
|
if (number < nitems(abi->syscalls)) {
|
|
assert(abi->syscalls[number] == NULL);
|
|
abi->syscalls[number] = sc;
|
|
} else {
|
|
es = malloc(sizeof(*es));
|
|
es->sc = sc;
|
|
es->number = number;
|
|
STAILQ_INSERT_TAIL(&abi->extra_syscalls, es, entries);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If/when the list gets big, it might be desirable to do it
|
|
* as a hash table or binary search.
|
|
*/
|
|
struct syscall *
|
|
get_syscall(struct threadinfo *t, u_int number, u_int nargs)
|
|
{
|
|
struct syscall *sc;
|
|
const char *name;
|
|
char *new_name;
|
|
u_int i;
|
|
|
|
sc = find_syscall(t->proc->abi, number);
|
|
if (sc != NULL)
|
|
return (sc);
|
|
|
|
name = sysdecode_syscallname(t->proc->abi->abi, number);
|
|
if (name == NULL) {
|
|
asprintf(&new_name, "#%d", number);
|
|
name = new_name;
|
|
} else
|
|
new_name = NULL;
|
|
STAILQ_FOREACH(sc, &syscalls, entries) {
|
|
if (strcmp(name, sc->name) == 0) {
|
|
add_syscall(t->proc->abi, number, sc);
|
|
free(new_name);
|
|
return (sc);
|
|
}
|
|
}
|
|
|
|
/* It is unknown. Add it into the list. */
|
|
#if DEBUG
|
|
fprintf(stderr, "unknown syscall %s -- setting args to %d\n", name,
|
|
nargs);
|
|
#endif
|
|
|
|
sc = calloc(1, sizeof(struct syscall));
|
|
sc->name = name;
|
|
if (new_name != NULL)
|
|
sc->unknown = true;
|
|
sc->ret_type = 1;
|
|
sc->nargs = nargs;
|
|
for (i = 0; i < nargs; i++) {
|
|
sc->args[i].offset = i;
|
|
/* Treat all unknown arguments as LongHex. */
|
|
sc->args[i].type = LongHex;
|
|
}
|
|
STAILQ_INSERT_HEAD(&syscalls, sc, entries);
|
|
add_syscall(t->proc->abi, number, sc);
|
|
|
|
return (sc);
|
|
}
|
|
|
|
/*
|
|
* Copy a fixed amount of bytes from the process.
|
|
*/
|
|
static int
|
|
get_struct(pid_t pid, void *offset, void *buf, int len)
|
|
{
|
|
struct ptrace_io_desc iorequest;
|
|
|
|
iorequest.piod_op = PIOD_READ_D;
|
|
iorequest.piod_offs = offset;
|
|
iorequest.piod_addr = buf;
|
|
iorequest.piod_len = len;
|
|
if (ptrace(PT_IO, pid, (caddr_t)&iorequest, 0) < 0)
|
|
return (-1);
|
|
return (0);
|
|
}
|
|
|
|
#define MAXSIZE 4096
|
|
|
|
/*
|
|
* Copy a string from the process. Note that it is
|
|
* expected to be a C string, but if max is set, it will
|
|
* only get that much.
|
|
*/
|
|
static char *
|
|
get_string(pid_t pid, void *addr, int max)
|
|
{
|
|
struct ptrace_io_desc iorequest;
|
|
char *buf, *nbuf;
|
|
size_t offset, size, totalsize;
|
|
|
|
offset = 0;
|
|
if (max)
|
|
size = max + 1;
|
|
else {
|
|
/* Read up to the end of the current page. */
|
|
size = PAGE_SIZE - ((uintptr_t)addr % PAGE_SIZE);
|
|
if (size > MAXSIZE)
|
|
size = MAXSIZE;
|
|
}
|
|
totalsize = size;
|
|
buf = malloc(totalsize);
|
|
if (buf == NULL)
|
|
return (NULL);
|
|
for (;;) {
|
|
iorequest.piod_op = PIOD_READ_D;
|
|
iorequest.piod_offs = (char *)addr + offset;
|
|
iorequest.piod_addr = buf + offset;
|
|
iorequest.piod_len = size;
|
|
if (ptrace(PT_IO, pid, (caddr_t)&iorequest, 0) < 0) {
|
|
free(buf);
|
|
return (NULL);
|
|
}
|
|
if (memchr(buf + offset, '\0', size) != NULL)
|
|
return (buf);
|
|
offset += size;
|
|
if (totalsize < MAXSIZE && max == 0) {
|
|
size = MAXSIZE - totalsize;
|
|
if (size > PAGE_SIZE)
|
|
size = PAGE_SIZE;
|
|
nbuf = realloc(buf, totalsize + size);
|
|
if (nbuf == NULL) {
|
|
buf[totalsize - 1] = '\0';
|
|
return (buf);
|
|
}
|
|
buf = nbuf;
|
|
totalsize += size;
|
|
} else {
|
|
buf[totalsize - 1] = '\0';
|
|
return (buf);
|
|
}
|
|
}
|
|
}
|
|
|
|
static const char *
|
|
strsig2(int sig)
|
|
{
|
|
static char tmp[32];
|
|
const char *signame;
|
|
|
|
signame = sysdecode_signal(sig);
|
|
if (signame == NULL) {
|
|
snprintf(tmp, sizeof(tmp), "%d", sig);
|
|
signame = tmp;
|
|
}
|
|
return (signame);
|
|
}
|
|
|
|
static void
|
|
print_kevent(FILE *fp, struct kevent *ke)
|
|
{
|
|
|
|
switch (ke->filter) {
|
|
case EVFILT_READ:
|
|
case EVFILT_WRITE:
|
|
case EVFILT_VNODE:
|
|
case EVFILT_PROC:
|
|
case EVFILT_TIMER:
|
|
case EVFILT_PROCDESC:
|
|
case EVFILT_EMPTY:
|
|
fprintf(fp, "%ju", (uintmax_t)ke->ident);
|
|
break;
|
|
case EVFILT_SIGNAL:
|
|
fputs(strsig2(ke->ident), fp);
|
|
break;
|
|
default:
|
|
fprintf(fp, "%p", (void *)ke->ident);
|
|
}
|
|
fprintf(fp, ",");
|
|
print_integer_arg(sysdecode_kevent_filter, fp, ke->filter);
|
|
fprintf(fp, ",");
|
|
print_mask_arg(sysdecode_kevent_flags, fp, ke->flags);
|
|
fprintf(fp, ",");
|
|
sysdecode_kevent_fflags(fp, ke->filter, ke->fflags, 16);
|
|
fprintf(fp, ",%#jx,%p", (uintmax_t)ke->data, ke->udata);
|
|
}
|
|
|
|
static void
|
|
print_utrace(FILE *fp, void *utrace_addr, size_t len)
|
|
{
|
|
unsigned char *utrace_buffer;
|
|
|
|
fprintf(fp, "{ ");
|
|
if (sysdecode_utrace(fp, utrace_addr, len)) {
|
|
fprintf(fp, " }");
|
|
return;
|
|
}
|
|
|
|
utrace_buffer = utrace_addr;
|
|
fprintf(fp, "%zu:", len);
|
|
while (len--)
|
|
fprintf(fp, " %02x", *utrace_buffer++);
|
|
fprintf(fp, " }");
|
|
}
|
|
|
|
/*
|
|
* Converts a syscall argument into a string. Said string is
|
|
* allocated via malloc(), so needs to be free()'d. sc is
|
|
* a pointer to the syscall description (see above); args is
|
|
* an array of all of the system call arguments.
|
|
*/
|
|
char *
|
|
print_arg(struct syscall_args *sc, unsigned long *args, long *retval,
|
|
struct trussinfo *trussinfo)
|
|
{
|
|
FILE *fp;
|
|
char *tmp;
|
|
size_t tmplen;
|
|
pid_t pid;
|
|
|
|
fp = open_memstream(&tmp, &tmplen);
|
|
pid = trussinfo->curthread->proc->pid;
|
|
switch (sc->type & ARG_MASK) {
|
|
case Hex:
|
|
fprintf(fp, "0x%x", (int)args[sc->offset]);
|
|
break;
|
|
case Octal:
|
|
fprintf(fp, "0%o", (int)args[sc->offset]);
|
|
break;
|
|
case Int:
|
|
fprintf(fp, "%d", (int)args[sc->offset]);
|
|
break;
|
|
case UInt:
|
|
fprintf(fp, "%u", (unsigned int)args[sc->offset]);
|
|
break;
|
|
case PUInt: {
|
|
unsigned int val;
|
|
|
|
if (get_struct(pid, (void *)args[sc->offset], &val,
|
|
sizeof(val)) == 0)
|
|
fprintf(fp, "{ %u }", val);
|
|
else
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
case LongHex:
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
case Long:
|
|
fprintf(fp, "%ld", args[sc->offset]);
|
|
break;
|
|
case Sizet:
|
|
fprintf(fp, "%zu", (size_t)args[sc->offset]);
|
|
break;
|
|
case Name: {
|
|
/* NULL-terminated string. */
|
|
char *tmp2;
|
|
|
|
tmp2 = get_string(pid, (void*)args[sc->offset], 0);
|
|
fprintf(fp, "\"%s\"", tmp2);
|
|
free(tmp2);
|
|
break;
|
|
}
|
|
case BinString: {
|
|
/*
|
|
* Binary block of data that might have printable characters.
|
|
* XXX If type|OUT, assume that the length is the syscall's
|
|
* return value. Otherwise, assume that the length of the block
|
|
* is in the next syscall argument.
|
|
*/
|
|
int max_string = trussinfo->strsize;
|
|
char tmp2[max_string + 1], *tmp3;
|
|
int len;
|
|
int truncated = 0;
|
|
|
|
if (sc->type & OUT)
|
|
len = retval[0];
|
|
else
|
|
len = args[sc->offset + 1];
|
|
|
|
/*
|
|
* Don't print more than max_string characters, to avoid word
|
|
* wrap. If we have to truncate put some ... after the string.
|
|
*/
|
|
if (len > max_string) {
|
|
len = max_string;
|
|
truncated = 1;
|
|
}
|
|
if (len && get_struct(pid, (void*)args[sc->offset], &tmp2, len)
|
|
!= -1) {
|
|
tmp3 = malloc(len * 4 + 1);
|
|
while (len) {
|
|
if (strvisx(tmp3, tmp2, len,
|
|
VIS_CSTYLE|VIS_TAB|VIS_NL) <= max_string)
|
|
break;
|
|
len--;
|
|
truncated = 1;
|
|
}
|
|
fprintf(fp, "\"%s\"%s", tmp3, truncated ?
|
|
"..." : "");
|
|
free(tmp3);
|
|
} else {
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
}
|
|
break;
|
|
}
|
|
case ExecArgs:
|
|
case ExecEnv:
|
|
case StringArray: {
|
|
uintptr_t addr;
|
|
union {
|
|
char *strarray[0];
|
|
char buf[PAGE_SIZE];
|
|
} u;
|
|
char *string;
|
|
size_t len;
|
|
u_int first, i;
|
|
|
|
/*
|
|
* Only parse argv[] and environment arrays from exec calls
|
|
* if requested.
|
|
*/
|
|
if (((sc->type & ARG_MASK) == ExecArgs &&
|
|
(trussinfo->flags & EXECVEARGS) == 0) ||
|
|
((sc->type & ARG_MASK) == ExecEnv &&
|
|
(trussinfo->flags & EXECVEENVS) == 0)) {
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Read a page of pointers at a time. Punt if the top-level
|
|
* pointer is not aligned. Note that the first read is of
|
|
* a partial page.
|
|
*/
|
|
addr = args[sc->offset];
|
|
if (addr % sizeof(char *) != 0) {
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
|
|
len = PAGE_SIZE - (addr & PAGE_MASK);
|
|
if (get_struct(pid, (void *)addr, u.buf, len) == -1) {
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
|
|
fputc('[', fp);
|
|
first = 1;
|
|
i = 0;
|
|
while (u.strarray[i] != NULL) {
|
|
string = get_string(pid, u.strarray[i], 0);
|
|
fprintf(fp, "%s \"%s\"", first ? "" : ",", string);
|
|
free(string);
|
|
first = 0;
|
|
|
|
i++;
|
|
if (i == len / sizeof(char *)) {
|
|
addr += len;
|
|
len = PAGE_SIZE;
|
|
if (get_struct(pid, (void *)addr, u.buf, len) ==
|
|
-1) {
|
|
fprintf(fp, ", <inval>");
|
|
break;
|
|
}
|
|
i = 0;
|
|
}
|
|
}
|
|
fputs(" ]", fp);
|
|
break;
|
|
}
|
|
#ifdef __LP64__
|
|
case Quad:
|
|
fprintf(fp, "%ld", args[sc->offset]);
|
|
break;
|
|
case QuadHex:
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
#else
|
|
case Quad:
|
|
case QuadHex: {
|
|
unsigned long long ll;
|
|
|
|
#if _BYTE_ORDER == _LITTLE_ENDIAN
|
|
ll = (unsigned long long)args[sc->offset + 1] << 32 |
|
|
args[sc->offset];
|
|
#else
|
|
ll = (unsigned long long)args[sc->offset] << 32 |
|
|
args[sc->offset + 1];
|
|
#endif
|
|
if ((sc->type & ARG_MASK) == Quad)
|
|
fprintf(fp, "%lld", ll);
|
|
else
|
|
fprintf(fp, "0x%llx", ll);
|
|
break;
|
|
}
|
|
#endif
|
|
case PQuadHex: {
|
|
uint64_t val;
|
|
|
|
if (get_struct(pid, (void *)args[sc->offset], &val,
|
|
sizeof(val)) == 0)
|
|
fprintf(fp, "{ 0x%jx }", (uintmax_t)val);
|
|
else
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
case Ptr:
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
case Readlinkres: {
|
|
char *tmp2;
|
|
|
|
if (retval[0] == -1)
|
|
break;
|
|
tmp2 = get_string(pid, (void*)args[sc->offset], retval[0]);
|
|
fprintf(fp, "\"%s\"", tmp2);
|
|
free(tmp2);
|
|
break;
|
|
}
|
|
case Ioctl: {
|
|
const char *temp;
|
|
unsigned long cmd;
|
|
|
|
cmd = args[sc->offset];
|
|
temp = sysdecode_ioctlname(cmd);
|
|
if (temp)
|
|
fputs(temp, fp);
|
|
else {
|
|
fprintf(fp, "0x%lx { IO%s%s 0x%lx('%c'), %lu, %lu }",
|
|
cmd, cmd & IOC_OUT ? "R" : "",
|
|
cmd & IOC_IN ? "W" : "", IOCGROUP(cmd),
|
|
isprint(IOCGROUP(cmd)) ? (char)IOCGROUP(cmd) : '?',
|
|
cmd & 0xFF, IOCPARM_LEN(cmd));
|
|
}
|
|
break;
|
|
}
|
|
case Timespec: {
|
|
struct timespec ts;
|
|
|
|
if (get_struct(pid, (void *)args[sc->offset], &ts,
|
|
sizeof(ts)) != -1)
|
|
fprintf(fp, "{ %jd.%09ld }", (intmax_t)ts.tv_sec,
|
|
ts.tv_nsec);
|
|
else
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
case Timespec2: {
|
|
struct timespec ts[2];
|
|
const char *sep;
|
|
unsigned int i;
|
|
|
|
if (get_struct(pid, (void *)args[sc->offset], &ts, sizeof(ts))
|
|
!= -1) {
|
|
fputs("{ ", fp);
|
|
sep = "";
|
|
for (i = 0; i < nitems(ts); i++) {
|
|
fputs(sep, fp);
|
|
sep = ", ";
|
|
switch (ts[i].tv_nsec) {
|
|
case UTIME_NOW:
|
|
fprintf(fp, "UTIME_NOW");
|
|
break;
|
|
case UTIME_OMIT:
|
|
fprintf(fp, "UTIME_OMIT");
|
|
break;
|
|
default:
|
|
fprintf(fp, "%jd.%09ld",
|
|
(intmax_t)ts[i].tv_sec,
|
|
ts[i].tv_nsec);
|
|
break;
|
|
}
|
|
}
|
|
fputs(" }", fp);
|
|
} else
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
case Timeval: {
|
|
struct timeval tv;
|
|
|
|
if (get_struct(pid, (void *)args[sc->offset], &tv, sizeof(tv))
|
|
!= -1)
|
|
fprintf(fp, "{ %jd.%06ld }", (intmax_t)tv.tv_sec,
|
|
tv.tv_usec);
|
|
else
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
case Timeval2: {
|
|
struct timeval tv[2];
|
|
|
|
if (get_struct(pid, (void *)args[sc->offset], &tv, sizeof(tv))
|
|
!= -1)
|
|
fprintf(fp, "{ %jd.%06ld, %jd.%06ld }",
|
|
(intmax_t)tv[0].tv_sec, tv[0].tv_usec,
|
|
(intmax_t)tv[1].tv_sec, tv[1].tv_usec);
|
|
else
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
case Itimerval: {
|
|
struct itimerval itv;
|
|
|
|
if (get_struct(pid, (void *)args[sc->offset], &itv,
|
|
sizeof(itv)) != -1)
|
|
fprintf(fp, "{ %jd.%06ld, %jd.%06ld }",
|
|
(intmax_t)itv.it_interval.tv_sec,
|
|
itv.it_interval.tv_usec,
|
|
(intmax_t)itv.it_value.tv_sec,
|
|
itv.it_value.tv_usec);
|
|
else
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
case LinuxSockArgs:
|
|
{
|
|
struct linux_socketcall_args largs;
|
|
|
|
if (get_struct(pid, (void *)args[sc->offset], (void *)&largs,
|
|
sizeof(largs)) != -1)
|
|
fprintf(fp, "{ %s, 0x%lx }",
|
|
lookup(linux_socketcall_ops, largs.what, 10),
|
|
(long unsigned int)largs.args);
|
|
else
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
case Pollfd: {
|
|
/*
|
|
* XXX: A Pollfd argument expects the /next/ syscall argument
|
|
* to be the number of fds in the array. This matches the poll
|
|
* syscall.
|
|
*/
|
|
struct pollfd *pfd;
|
|
int numfds = args[sc->offset + 1];
|
|
size_t bytes = sizeof(struct pollfd) * numfds;
|
|
int i;
|
|
|
|
if ((pfd = malloc(bytes)) == NULL)
|
|
err(1, "Cannot malloc %zu bytes for pollfd array",
|
|
bytes);
|
|
if (get_struct(pid, (void *)args[sc->offset], pfd, bytes)
|
|
!= -1) {
|
|
fputs("{", fp);
|
|
for (i = 0; i < numfds; i++) {
|
|
fprintf(fp, " %d/%s", pfd[i].fd,
|
|
xlookup_bits(poll_flags, pfd[i].events));
|
|
}
|
|
fputs(" }", fp);
|
|
} else {
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
}
|
|
free(pfd);
|
|
break;
|
|
}
|
|
case Fd_set: {
|
|
/*
|
|
* XXX: A Fd_set argument expects the /first/ syscall argument
|
|
* to be the number of fds in the array. This matches the
|
|
* select syscall.
|
|
*/
|
|
fd_set *fds;
|
|
int numfds = args[0];
|
|
size_t bytes = _howmany(numfds, _NFDBITS) * _NFDBITS;
|
|
int i;
|
|
|
|
if ((fds = malloc(bytes)) == NULL)
|
|
err(1, "Cannot malloc %zu bytes for fd_set array",
|
|
bytes);
|
|
if (get_struct(pid, (void *)args[sc->offset], fds, bytes)
|
|
!= -1) {
|
|
fputs("{", fp);
|
|
for (i = 0; i < numfds; i++) {
|
|
if (FD_ISSET(i, fds))
|
|
fprintf(fp, " %d", i);
|
|
}
|
|
fputs(" }", fp);
|
|
} else
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
free(fds);
|
|
break;
|
|
}
|
|
case Signal:
|
|
fputs(strsig2(args[sc->offset]), fp);
|
|
break;
|
|
case Sigset: {
|
|
long sig;
|
|
sigset_t ss;
|
|
int i, first;
|
|
|
|
sig = args[sc->offset];
|
|
if (get_struct(pid, (void *)args[sc->offset], (void *)&ss,
|
|
sizeof(ss)) == -1) {
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
fputs("{ ", fp);
|
|
first = 1;
|
|
for (i = 1; i < sys_nsig; i++) {
|
|
if (sigismember(&ss, i)) {
|
|
fprintf(fp, "%s%s", !first ? "|" : "",
|
|
strsig2(i));
|
|
first = 0;
|
|
}
|
|
}
|
|
if (!first)
|
|
fputc(' ', fp);
|
|
fputc('}', fp);
|
|
break;
|
|
}
|
|
case Sigprocmask:
|
|
print_integer_arg(sysdecode_sigprocmask_how, fp,
|
|
args[sc->offset]);
|
|
break;
|
|
case Fcntlflag:
|
|
/* XXX: Output depends on the value of the previous argument. */
|
|
if (sysdecode_fcntl_arg_p(args[sc->offset - 1]))
|
|
sysdecode_fcntl_arg(fp, args[sc->offset - 1],
|
|
args[sc->offset], 16);
|
|
break;
|
|
case Open:
|
|
print_mask_arg(sysdecode_open_flags, fp, args[sc->offset]);
|
|
break;
|
|
case Fcntl:
|
|
print_integer_arg(sysdecode_fcntl_cmd, fp, args[sc->offset]);
|
|
break;
|
|
case Mprot:
|
|
print_mask_arg(sysdecode_mmap_prot, fp, args[sc->offset]);
|
|
break;
|
|
case Mmapflags:
|
|
print_mask_arg(sysdecode_mmap_flags, fp, args[sc->offset]);
|
|
break;
|
|
case Whence:
|
|
print_integer_arg(sysdecode_whence, fp, args[sc->offset]);
|
|
break;
|
|
case Sockdomain:
|
|
print_integer_arg(sysdecode_socketdomain, fp, args[sc->offset]);
|
|
break;
|
|
case Socktype:
|
|
print_mask_arg(sysdecode_socket_type, fp, args[sc->offset]);
|
|
break;
|
|
case Shutdown:
|
|
print_integer_arg(sysdecode_shutdown_how, fp, args[sc->offset]);
|
|
break;
|
|
case Resource:
|
|
print_integer_arg(sysdecode_rlimit, fp, args[sc->offset]);
|
|
break;
|
|
case RusageWho:
|
|
print_integer_arg(sysdecode_getrusage_who, fp, args[sc->offset]);
|
|
break;
|
|
case Pathconf:
|
|
print_integer_arg(sysdecode_pathconf_name, fp, args[sc->offset]);
|
|
break;
|
|
case Rforkflags:
|
|
print_mask_arg(sysdecode_rfork_flags, fp, args[sc->offset]);
|
|
break;
|
|
case Sockaddr: {
|
|
char addr[64];
|
|
struct sockaddr_in *lsin;
|
|
struct sockaddr_in6 *lsin6;
|
|
struct sockaddr_un *sun;
|
|
struct sockaddr *sa;
|
|
socklen_t len;
|
|
u_char *q;
|
|
|
|
if (args[sc->offset] == 0) {
|
|
fputs("NULL", fp);
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Extract the address length from the next argument. If
|
|
* this is an output sockaddr (OUT is set), then the
|
|
* next argument is a pointer to a socklen_t. Otherwise
|
|
* the next argument contains a socklen_t by value.
|
|
*/
|
|
if (sc->type & OUT) {
|
|
if (get_struct(pid, (void *)args[sc->offset + 1],
|
|
&len, sizeof(len)) == -1) {
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
} else
|
|
len = args[sc->offset + 1];
|
|
|
|
/* If the length is too small, just bail. */
|
|
if (len < sizeof(*sa)) {
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
|
|
sa = calloc(1, len);
|
|
if (get_struct(pid, (void *)args[sc->offset], sa, len) == -1) {
|
|
free(sa);
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
|
|
switch (sa->sa_family) {
|
|
case AF_INET:
|
|
if (len < sizeof(*lsin))
|
|
goto sockaddr_short;
|
|
lsin = (struct sockaddr_in *)(void *)sa;
|
|
inet_ntop(AF_INET, &lsin->sin_addr, addr, sizeof(addr));
|
|
fprintf(fp, "{ AF_INET %s:%d }", addr,
|
|
htons(lsin->sin_port));
|
|
break;
|
|
case AF_INET6:
|
|
if (len < sizeof(*lsin6))
|
|
goto sockaddr_short;
|
|
lsin6 = (struct sockaddr_in6 *)(void *)sa;
|
|
inet_ntop(AF_INET6, &lsin6->sin6_addr, addr,
|
|
sizeof(addr));
|
|
fprintf(fp, "{ AF_INET6 [%s]:%d }", addr,
|
|
htons(lsin6->sin6_port));
|
|
break;
|
|
case AF_UNIX:
|
|
sun = (struct sockaddr_un *)sa;
|
|
fprintf(fp, "{ AF_UNIX \"%.*s\" }",
|
|
(int)(len - offsetof(struct sockaddr_un, sun_path)),
|
|
sun->sun_path);
|
|
break;
|
|
default:
|
|
sockaddr_short:
|
|
fprintf(fp,
|
|
"{ sa_len = %d, sa_family = %d, sa_data = {",
|
|
(int)sa->sa_len, (int)sa->sa_family);
|
|
for (q = (u_char *)sa->sa_data;
|
|
q < (u_char *)sa + len; q++)
|
|
fprintf(fp, "%s 0x%02x",
|
|
q == (u_char *)sa->sa_data ? "" : ",",
|
|
*q);
|
|
fputs(" } }", fp);
|
|
}
|
|
free(sa);
|
|
break;
|
|
}
|
|
case Sigaction: {
|
|
struct sigaction sa;
|
|
|
|
if (get_struct(pid, (void *)args[sc->offset], &sa, sizeof(sa))
|
|
!= -1) {
|
|
fputs("{ ", fp);
|
|
if (sa.sa_handler == SIG_DFL)
|
|
fputs("SIG_DFL", fp);
|
|
else if (sa.sa_handler == SIG_IGN)
|
|
fputs("SIG_IGN", fp);
|
|
else
|
|
fprintf(fp, "%p", sa.sa_handler);
|
|
fprintf(fp, " %s ss_t }",
|
|
xlookup_bits(sigaction_flags, sa.sa_flags));
|
|
} else
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
case Kevent: {
|
|
/*
|
|
* XXX XXX: The size of the array is determined by either the
|
|
* next syscall argument, or by the syscall return value,
|
|
* depending on which argument number we are. This matches the
|
|
* kevent syscall, but luckily that's the only syscall that uses
|
|
* them.
|
|
*/
|
|
struct kevent *ke;
|
|
int numevents = -1;
|
|
size_t bytes;
|
|
int i;
|
|
|
|
if (sc->offset == 1)
|
|
numevents = args[sc->offset+1];
|
|
else if (sc->offset == 3 && retval[0] != -1)
|
|
numevents = retval[0];
|
|
|
|
if (numevents >= 0) {
|
|
bytes = sizeof(struct kevent) * numevents;
|
|
if ((ke = malloc(bytes)) == NULL)
|
|
err(1,
|
|
"Cannot malloc %zu bytes for kevent array",
|
|
bytes);
|
|
} else
|
|
ke = NULL;
|
|
if (numevents >= 0 && get_struct(pid, (void *)args[sc->offset],
|
|
ke, bytes) != -1) {
|
|
fputc('{', fp);
|
|
for (i = 0; i < numevents; i++) {
|
|
fputc(' ', fp);
|
|
print_kevent(fp, &ke[i]);
|
|
}
|
|
fputs(" }", fp);
|
|
} else {
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
}
|
|
free(ke);
|
|
break;
|
|
}
|
|
case Kevent11: {
|
|
struct kevent_freebsd11 *ke11;
|
|
struct kevent ke;
|
|
int numevents = -1;
|
|
size_t bytes;
|
|
int i;
|
|
|
|
if (sc->offset == 1)
|
|
numevents = args[sc->offset+1];
|
|
else if (sc->offset == 3 && retval[0] != -1)
|
|
numevents = retval[0];
|
|
|
|
if (numevents >= 0) {
|
|
bytes = sizeof(struct kevent_freebsd11) * numevents;
|
|
if ((ke11 = malloc(bytes)) == NULL)
|
|
err(1,
|
|
"Cannot malloc %zu bytes for kevent array",
|
|
bytes);
|
|
} else
|
|
ke11 = NULL;
|
|
memset(&ke, 0, sizeof(ke));
|
|
if (numevents >= 0 && get_struct(pid, (void *)args[sc->offset],
|
|
ke11, bytes) != -1) {
|
|
fputc('{', fp);
|
|
for (i = 0; i < numevents; i++) {
|
|
fputc(' ', fp);
|
|
ke.ident = ke11[i].ident;
|
|
ke.filter = ke11[i].filter;
|
|
ke.flags = ke11[i].flags;
|
|
ke.fflags = ke11[i].fflags;
|
|
ke.data = ke11[i].data;
|
|
ke.udata = ke11[i].udata;
|
|
print_kevent(fp, &ke);
|
|
}
|
|
fputs(" }", fp);
|
|
} else {
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
}
|
|
free(ke11);
|
|
break;
|
|
}
|
|
case Stat: {
|
|
struct stat st;
|
|
|
|
if (get_struct(pid, (void *)args[sc->offset], &st, sizeof(st))
|
|
!= -1) {
|
|
char mode[12];
|
|
|
|
strmode(st.st_mode, mode);
|
|
fprintf(fp,
|
|
"{ mode=%s,inode=%ju,size=%jd,blksize=%ld }", mode,
|
|
(uintmax_t)st.st_ino, (intmax_t)st.st_size,
|
|
(long)st.st_blksize);
|
|
} else {
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
}
|
|
break;
|
|
}
|
|
case Stat11: {
|
|
struct freebsd11_stat st;
|
|
|
|
if (get_struct(pid, (void *)args[sc->offset], &st, sizeof(st))
|
|
!= -1) {
|
|
char mode[12];
|
|
|
|
strmode(st.st_mode, mode);
|
|
fprintf(fp,
|
|
"{ mode=%s,inode=%ju,size=%jd,blksize=%ld }", mode,
|
|
(uintmax_t)st.st_ino, (intmax_t)st.st_size,
|
|
(long)st.st_blksize);
|
|
} else {
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
}
|
|
break;
|
|
}
|
|
case StatFs: {
|
|
unsigned int i;
|
|
struct statfs buf;
|
|
|
|
if (get_struct(pid, (void *)args[sc->offset], &buf,
|
|
sizeof(buf)) != -1) {
|
|
char fsid[17];
|
|
|
|
bzero(fsid, sizeof(fsid));
|
|
if (buf.f_fsid.val[0] != 0 || buf.f_fsid.val[1] != 0) {
|
|
for (i = 0; i < sizeof(buf.f_fsid); i++)
|
|
snprintf(&fsid[i*2],
|
|
sizeof(fsid) - (i*2), "%02x",
|
|
((u_char *)&buf.f_fsid)[i]);
|
|
}
|
|
fprintf(fp,
|
|
"{ fstypename=%s,mntonname=%s,mntfromname=%s,"
|
|
"fsid=%s }", buf.f_fstypename, buf.f_mntonname,
|
|
buf.f_mntfromname, fsid);
|
|
} else
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
|
|
case Rusage: {
|
|
struct rusage ru;
|
|
|
|
if (get_struct(pid, (void *)args[sc->offset], &ru, sizeof(ru))
|
|
!= -1) {
|
|
fprintf(fp,
|
|
"{ u=%jd.%06ld,s=%jd.%06ld,in=%ld,out=%ld }",
|
|
(intmax_t)ru.ru_utime.tv_sec, ru.ru_utime.tv_usec,
|
|
(intmax_t)ru.ru_stime.tv_sec, ru.ru_stime.tv_usec,
|
|
ru.ru_inblock, ru.ru_oublock);
|
|
} else
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
case Rlimit: {
|
|
struct rlimit rl;
|
|
|
|
if (get_struct(pid, (void *)args[sc->offset], &rl, sizeof(rl))
|
|
!= -1) {
|
|
fprintf(fp, "{ cur=%ju,max=%ju }",
|
|
rl.rlim_cur, rl.rlim_max);
|
|
} else
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
case ExitStatus: {
|
|
int status;
|
|
|
|
if (get_struct(pid, (void *)args[sc->offset], &status,
|
|
sizeof(status)) != -1) {
|
|
fputs("{ ", fp);
|
|
if (WIFCONTINUED(status))
|
|
fputs("CONTINUED", fp);
|
|
else if (WIFEXITED(status))
|
|
fprintf(fp, "EXITED,val=%d",
|
|
WEXITSTATUS(status));
|
|
else if (WIFSIGNALED(status))
|
|
fprintf(fp, "SIGNALED,sig=%s%s",
|
|
strsig2(WTERMSIG(status)),
|
|
WCOREDUMP(status) ? ",cored" : "");
|
|
else
|
|
fprintf(fp, "STOPPED,sig=%s",
|
|
strsig2(WTERMSIG(status)));
|
|
fputs(" }", fp);
|
|
} else
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
case Waitoptions:
|
|
print_mask_arg(sysdecode_wait6_options, fp, args[sc->offset]);
|
|
break;
|
|
case Idtype:
|
|
print_integer_arg(sysdecode_idtype, fp, args[sc->offset]);
|
|
break;
|
|
case Procctl:
|
|
print_integer_arg(sysdecode_procctl_cmd, fp, args[sc->offset]);
|
|
break;
|
|
case Umtxop:
|
|
print_integer_arg(sysdecode_umtx_op, fp, args[sc->offset]);
|
|
break;
|
|
case Atfd:
|
|
print_integer_arg(sysdecode_atfd, fp, args[sc->offset]);
|
|
break;
|
|
case Atflags:
|
|
print_mask_arg(sysdecode_atflags, fp, args[sc->offset]);
|
|
break;
|
|
case Accessmode:
|
|
print_mask_arg(sysdecode_access_mode, fp, args[sc->offset]);
|
|
break;
|
|
case Sysarch:
|
|
print_integer_arg(sysdecode_sysarch_number, fp,
|
|
args[sc->offset]);
|
|
break;
|
|
case PipeFds:
|
|
/*
|
|
* The pipe() system call in the kernel returns its
|
|
* two file descriptors via return values. However,
|
|
* the interface exposed by libc is that pipe()
|
|
* accepts a pointer to an array of descriptors.
|
|
* Format the output to match the libc API by printing
|
|
* the returned file descriptors as a fake argument.
|
|
*
|
|
* Overwrite the first retval to signal a successful
|
|
* return as well.
|
|
*/
|
|
fprintf(fp, "{ %ld, %ld }", retval[0], retval[1]);
|
|
retval[0] = 0;
|
|
break;
|
|
case Utrace: {
|
|
size_t len;
|
|
void *utrace_addr;
|
|
|
|
len = args[sc->offset + 1];
|
|
utrace_addr = calloc(1, len);
|
|
if (get_struct(pid, (void *)args[sc->offset],
|
|
(void *)utrace_addr, len) != -1)
|
|
print_utrace(fp, utrace_addr, len);
|
|
else
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
free(utrace_addr);
|
|
break;
|
|
}
|
|
case IntArray: {
|
|
int descriptors[16];
|
|
unsigned long i, ndescriptors;
|
|
bool truncated;
|
|
|
|
ndescriptors = args[sc->offset + 1];
|
|
truncated = false;
|
|
if (ndescriptors > nitems(descriptors)) {
|
|
ndescriptors = nitems(descriptors);
|
|
truncated = true;
|
|
}
|
|
if (get_struct(pid, (void *)args[sc->offset],
|
|
descriptors, ndescriptors * sizeof(descriptors[0])) != -1) {
|
|
fprintf(fp, "{");
|
|
for (i = 0; i < ndescriptors; i++)
|
|
fprintf(fp, i == 0 ? " %d" : ", %d",
|
|
descriptors[i]);
|
|
fprintf(fp, truncated ? ", ... }" : " }");
|
|
} else
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
case Pipe2:
|
|
print_mask_arg(sysdecode_pipe2_flags, fp, args[sc->offset]);
|
|
break;
|
|
case CapFcntlRights: {
|
|
uint32_t rights;
|
|
|
|
if (sc->type & OUT) {
|
|
if (get_struct(pid, (void *)args[sc->offset], &rights,
|
|
sizeof(rights)) == -1) {
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
} else
|
|
rights = args[sc->offset];
|
|
print_mask_arg32(sysdecode_cap_fcntlrights, fp, rights);
|
|
break;
|
|
}
|
|
case Fadvice:
|
|
print_integer_arg(sysdecode_fadvice, fp, args[sc->offset]);
|
|
break;
|
|
case FileFlags: {
|
|
fflags_t rem;
|
|
|
|
if (!sysdecode_fileflags(fp, args[sc->offset], &rem))
|
|
fprintf(fp, "0x%x", rem);
|
|
else if (rem != 0)
|
|
fprintf(fp, "|0x%x", rem);
|
|
break;
|
|
}
|
|
case Flockop:
|
|
print_mask_arg(sysdecode_flock_operation, fp, args[sc->offset]);
|
|
break;
|
|
case Getfsstatmode:
|
|
print_integer_arg(sysdecode_getfsstat_mode, fp,
|
|
args[sc->offset]);
|
|
break;
|
|
case Kldsymcmd:
|
|
print_integer_arg(sysdecode_kldsym_cmd, fp, args[sc->offset]);
|
|
break;
|
|
case Kldunloadflags:
|
|
print_integer_arg(sysdecode_kldunload_flags, fp,
|
|
args[sc->offset]);
|
|
break;
|
|
case Madvice:
|
|
print_integer_arg(sysdecode_madvice, fp, args[sc->offset]);
|
|
break;
|
|
case Socklent:
|
|
fprintf(fp, "%u", (socklen_t)args[sc->offset]);
|
|
break;
|
|
case Sockprotocol: {
|
|
const char *temp;
|
|
int domain, protocol;
|
|
|
|
domain = args[sc->offset - 2];
|
|
protocol = args[sc->offset];
|
|
if (protocol == 0) {
|
|
fputs("0", fp);
|
|
} else {
|
|
temp = sysdecode_socket_protocol(domain, protocol);
|
|
if (temp) {
|
|
fputs(temp, fp);
|
|
} else {
|
|
fprintf(fp, "%d", protocol);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case Sockoptlevel:
|
|
print_integer_arg(sysdecode_sockopt_level, fp,
|
|
args[sc->offset]);
|
|
break;
|
|
case Sockoptname: {
|
|
const char *temp;
|
|
int level, name;
|
|
|
|
level = args[sc->offset - 1];
|
|
name = args[sc->offset];
|
|
temp = sysdecode_sockopt_name(level, name);
|
|
if (temp) {
|
|
fputs(temp, fp);
|
|
} else {
|
|
fprintf(fp, "%d", name);
|
|
}
|
|
break;
|
|
}
|
|
case Msgflags:
|
|
print_mask_arg(sysdecode_msg_flags, fp, args[sc->offset]);
|
|
break;
|
|
case CapRights: {
|
|
cap_rights_t rights;
|
|
|
|
if (get_struct(pid, (void *)args[sc->offset], &rights,
|
|
sizeof(rights)) != -1) {
|
|
fputs("{ ", fp);
|
|
sysdecode_cap_rights(fp, &rights);
|
|
fputs(" }", fp);
|
|
} else
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
case Acltype:
|
|
print_integer_arg(sysdecode_acltype, fp, args[sc->offset]);
|
|
break;
|
|
case Extattrnamespace:
|
|
print_integer_arg(sysdecode_extattrnamespace, fp,
|
|
args[sc->offset]);
|
|
break;
|
|
case Minherit:
|
|
print_integer_arg(sysdecode_minherit_inherit, fp,
|
|
args[sc->offset]);
|
|
break;
|
|
case Mlockall:
|
|
print_mask_arg(sysdecode_mlockall_flags, fp, args[sc->offset]);
|
|
break;
|
|
case Mountflags:
|
|
print_mask_arg(sysdecode_mount_flags, fp, args[sc->offset]);
|
|
break;
|
|
case Msync:
|
|
print_mask_arg(sysdecode_msync_flags, fp, args[sc->offset]);
|
|
break;
|
|
case Priowhich:
|
|
print_integer_arg(sysdecode_prio_which, fp, args[sc->offset]);
|
|
break;
|
|
case Ptraceop:
|
|
print_integer_arg(sysdecode_ptrace_request, fp,
|
|
args[sc->offset]);
|
|
break;
|
|
case Quotactlcmd:
|
|
if (!sysdecode_quotactl_cmd(fp, args[sc->offset]))
|
|
fprintf(fp, "%#x", (int)args[sc->offset]);
|
|
break;
|
|
case Reboothowto:
|
|
print_mask_arg(sysdecode_reboot_howto, fp, args[sc->offset]);
|
|
break;
|
|
case Rtpriofunc:
|
|
print_integer_arg(sysdecode_rtprio_function, fp,
|
|
args[sc->offset]);
|
|
break;
|
|
case Schedpolicy:
|
|
print_integer_arg(sysdecode_scheduler_policy, fp,
|
|
args[sc->offset]);
|
|
break;
|
|
case Schedparam: {
|
|
struct sched_param sp;
|
|
|
|
if (get_struct(pid, (void *)args[sc->offset], &sp,
|
|
sizeof(sp)) != -1)
|
|
fprintf(fp, "{ %d }", sp.sched_priority);
|
|
else
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
case PSig: {
|
|
int sig;
|
|
|
|
if (get_struct(pid, (void *)args[sc->offset], &sig,
|
|
sizeof(sig)) == 0)
|
|
fprintf(fp, "{ %s }", strsig2(sig));
|
|
else
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
case Siginfo: {
|
|
siginfo_t si;
|
|
|
|
if (get_struct(pid, (void *)args[sc->offset], &si,
|
|
sizeof(si)) != -1) {
|
|
fprintf(fp, "{ signo=%s", strsig2(si.si_signo));
|
|
decode_siginfo(fp, &si);
|
|
fprintf(fp, " }");
|
|
} else
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
#define IOV_LIMIT 16
|
|
case Iovec: {
|
|
/*
|
|
* Print argument as an array of struct iovec, where the next
|
|
* syscall argument is the number of elements of the array.
|
|
*/
|
|
struct iovec iov[IOV_LIMIT];
|
|
size_t max_string = trussinfo->strsize;
|
|
char tmp2[max_string + 1], *tmp3;
|
|
size_t len;
|
|
int i, iovcnt;
|
|
bool buf_truncated, iov_truncated;
|
|
|
|
iovcnt = args[sc->offset + 1];
|
|
if (iovcnt <= 0) {
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
if (iovcnt > IOV_LIMIT) {
|
|
iovcnt = IOV_LIMIT;
|
|
iov_truncated = true;
|
|
} else {
|
|
iov_truncated = false;
|
|
}
|
|
if (get_struct(pid, (void *)args[sc->offset],
|
|
&iov, iovcnt * sizeof(struct iovec)) == -1) {
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
|
|
fprintf(fp, "%s", "[");
|
|
for (i = 0; i < iovcnt; i++) {
|
|
len = iov[i].iov_len;
|
|
if (len > max_string) {
|
|
len = max_string;
|
|
buf_truncated = true;
|
|
} else {
|
|
buf_truncated = false;
|
|
}
|
|
fprintf(fp, "%s{", (i > 0) ? "," : "");
|
|
if (len && get_struct(pid, iov[i].iov_base, &tmp2, len)
|
|
!= -1) {
|
|
tmp3 = malloc(len * 4 + 1);
|
|
while (len) {
|
|
if (strvisx(tmp3, tmp2, len,
|
|
VIS_CSTYLE|VIS_TAB|VIS_NL) <=
|
|
(int)max_string)
|
|
break;
|
|
len--;
|
|
buf_truncated = true;
|
|
}
|
|
fprintf(fp, "\"%s\"%s", tmp3,
|
|
buf_truncated ? "..." : "");
|
|
free(tmp3);
|
|
} else {
|
|
fprintf(fp, "0x%p", iov[i].iov_base);
|
|
}
|
|
fprintf(fp, ",%zu}", iov[i].iov_len);
|
|
}
|
|
fprintf(fp, "%s%s", iov_truncated ? ",..." : "", "]");
|
|
break;
|
|
}
|
|
|
|
case CloudABIAdvice:
|
|
fputs(xlookup(cloudabi_advice, args[sc->offset]), fp);
|
|
break;
|
|
case CloudABIClockID:
|
|
fputs(xlookup(cloudabi_clockid, args[sc->offset]), fp);
|
|
break;
|
|
case ClouduABIFDSFlags:
|
|
fputs(xlookup_bits(cloudabi_fdsflags, args[sc->offset]), fp);
|
|
break;
|
|
case CloudABIFDStat: {
|
|
cloudabi_fdstat_t fds;
|
|
if (get_struct(pid, (void *)args[sc->offset], &fds, sizeof(fds))
|
|
!= -1) {
|
|
fprintf(fp, "{ %s, ",
|
|
xlookup(cloudabi_filetype, fds.fs_filetype));
|
|
fprintf(fp, "%s, ... }",
|
|
xlookup_bits(cloudabi_fdflags, fds.fs_flags));
|
|
} else
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
case CloudABIFileStat: {
|
|
cloudabi_filestat_t fsb;
|
|
if (get_struct(pid, (void *)args[sc->offset], &fsb, sizeof(fsb))
|
|
!= -1)
|
|
fprintf(fp, "{ %s, %ju }",
|
|
xlookup(cloudabi_filetype, fsb.st_filetype),
|
|
(uintmax_t)fsb.st_size);
|
|
else
|
|
fprintf(fp, "0x%lx", args[sc->offset]);
|
|
break;
|
|
}
|
|
case CloudABIFileType:
|
|
fputs(xlookup(cloudabi_filetype, args[sc->offset]), fp);
|
|
break;
|
|
case CloudABIFSFlags:
|
|
fputs(xlookup_bits(cloudabi_fsflags, args[sc->offset]), fp);
|
|
break;
|
|
case CloudABILookup:
|
|
if ((args[sc->offset] & CLOUDABI_LOOKUP_SYMLINK_FOLLOW) != 0)
|
|
fprintf(fp, "%d|LOOKUP_SYMLINK_FOLLOW",
|
|
(int)args[sc->offset]);
|
|
else
|
|
fprintf(fp, "%d", (int)args[sc->offset]);
|
|
break;
|
|
case CloudABIMFlags:
|
|
fputs(xlookup_bits(cloudabi_mflags, args[sc->offset]), fp);
|
|
break;
|
|
case CloudABIMProt:
|
|
fputs(xlookup_bits(cloudabi_mprot, args[sc->offset]), fp);
|
|
break;
|
|
case CloudABIMSFlags:
|
|
fputs(xlookup_bits(cloudabi_msflags, args[sc->offset]), fp);
|
|
break;
|
|
case CloudABIOFlags:
|
|
fputs(xlookup_bits(cloudabi_oflags, args[sc->offset]), fp);
|
|
break;
|
|
case CloudABISDFlags:
|
|
fputs(xlookup_bits(cloudabi_sdflags, args[sc->offset]), fp);
|
|
break;
|
|
case CloudABISignal:
|
|
fputs(xlookup(cloudabi_signal, args[sc->offset]), fp);
|
|
break;
|
|
case CloudABITimestamp:
|
|
fprintf(fp, "%lu.%09lus", args[sc->offset] / 1000000000,
|
|
args[sc->offset] % 1000000000);
|
|
break;
|
|
case CloudABIULFlags:
|
|
fputs(xlookup_bits(cloudabi_ulflags, args[sc->offset]), fp);
|
|
break;
|
|
case CloudABIWhence:
|
|
fputs(xlookup(cloudabi_whence, args[sc->offset]), fp);
|
|
break;
|
|
|
|
default:
|
|
errx(1, "Invalid argument type %d\n", sc->type & ARG_MASK);
|
|
}
|
|
fclose(fp);
|
|
return (tmp);
|
|
}
|
|
|
|
/*
|
|
* Print (to outfile) the system call and its arguments.
|
|
*/
|
|
void
|
|
print_syscall(struct trussinfo *trussinfo)
|
|
{
|
|
struct threadinfo *t;
|
|
const char *name;
|
|
char **s_args;
|
|
int i, len, nargs;
|
|
|
|
t = trussinfo->curthread;
|
|
|
|
name = t->cs.sc->name;
|
|
nargs = t->cs.nargs;
|
|
s_args = t->cs.s_args;
|
|
|
|
len = print_line_prefix(trussinfo);
|
|
len += fprintf(trussinfo->outfile, "%s(", name);
|
|
|
|
for (i = 0; i < nargs; i++) {
|
|
if (s_args[i] != NULL)
|
|
len += fprintf(trussinfo->outfile, "%s", s_args[i]);
|
|
else
|
|
len += fprintf(trussinfo->outfile,
|
|
"<missing argument>");
|
|
len += fprintf(trussinfo->outfile, "%s", i < (nargs - 1) ?
|
|
"," : "");
|
|
}
|
|
len += fprintf(trussinfo->outfile, ")");
|
|
for (i = 0; i < 6 - (len / 8); i++)
|
|
fprintf(trussinfo->outfile, "\t");
|
|
}
|
|
|
|
void
|
|
print_syscall_ret(struct trussinfo *trussinfo, int errorp, long *retval)
|
|
{
|
|
struct timespec timediff;
|
|
struct threadinfo *t;
|
|
struct syscall *sc;
|
|
int error;
|
|
|
|
t = trussinfo->curthread;
|
|
sc = t->cs.sc;
|
|
if (trussinfo->flags & COUNTONLY) {
|
|
timespecsubt(&t->after, &t->before, &timediff);
|
|
timespecadd(&sc->time, &timediff, &sc->time);
|
|
sc->ncalls++;
|
|
if (errorp)
|
|
sc->nerror++;
|
|
return;
|
|
}
|
|
|
|
print_syscall(trussinfo);
|
|
fflush(trussinfo->outfile);
|
|
|
|
if (retval == NULL) {
|
|
/*
|
|
* This system call resulted in the current thread's exit,
|
|
* so there is no return value or error to display.
|
|
*/
|
|
fprintf(trussinfo->outfile, "\n");
|
|
return;
|
|
}
|
|
|
|
if (errorp) {
|
|
error = sysdecode_abi_to_freebsd_errno(t->proc->abi->abi,
|
|
retval[0]);
|
|
fprintf(trussinfo->outfile, " ERR#%ld '%s'\n", retval[0],
|
|
error == INT_MAX ? "Unknown error" : strerror(error));
|
|
}
|
|
#ifndef __LP64__
|
|
else if (sc->ret_type == 2) {
|
|
off_t off;
|
|
|
|
#if _BYTE_ORDER == _LITTLE_ENDIAN
|
|
off = (off_t)retval[1] << 32 | retval[0];
|
|
#else
|
|
off = (off_t)retval[0] << 32 | retval[1];
|
|
#endif
|
|
fprintf(trussinfo->outfile, " = %jd (0x%jx)\n", (intmax_t)off,
|
|
(intmax_t)off);
|
|
}
|
|
#endif
|
|
else
|
|
fprintf(trussinfo->outfile, " = %ld (0x%lx)\n", retval[0],
|
|
retval[0]);
|
|
}
|
|
|
|
void
|
|
print_summary(struct trussinfo *trussinfo)
|
|
{
|
|
struct timespec total = {0, 0};
|
|
struct syscall *sc;
|
|
int ncall, nerror;
|
|
|
|
fprintf(trussinfo->outfile, "%-20s%15s%8s%8s\n",
|
|
"syscall", "seconds", "calls", "errors");
|
|
ncall = nerror = 0;
|
|
STAILQ_FOREACH(sc, &syscalls, entries)
|
|
if (sc->ncalls) {
|
|
fprintf(trussinfo->outfile, "%-20s%5jd.%09ld%8d%8d\n",
|
|
sc->name, (intmax_t)sc->time.tv_sec,
|
|
sc->time.tv_nsec, sc->ncalls, sc->nerror);
|
|
timespecadd(&total, &sc->time, &total);
|
|
ncall += sc->ncalls;
|
|
nerror += sc->nerror;
|
|
}
|
|
fprintf(trussinfo->outfile, "%20s%15s%8s%8s\n",
|
|
"", "-------------", "-------", "-------");
|
|
fprintf(trussinfo->outfile, "%-20s%5jd.%09ld%8d%8d\n",
|
|
"", (intmax_t)total.tv_sec, total.tv_nsec, ncall, nerror);
|
|
}
|