2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright 2001 Jamey Wood
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/linker_set.h>
31 #include <sys/queue.h>
33 #define FOLLOWFORKS 0x00000001
34 #define RELATIVETIMESTAMPS 0x00000002
35 #define ABSOLUTETIMESTAMPS 0x00000004
36 #define NOSIGS 0x00000008
37 #define EXECVEARGS 0x00000010
38 #define EXECVEENVS 0x00000020
39 #define COUNTONLY 0x00000040
40 #define DISPLAYTIDS 0x00000080
47 * The lookup of normal system calls are optimized by using a fixed
48 * array for the first 1024 system calls that can be indexed directly.
49 * Unknown system calls with other IDs are stored in a linked list.
51 #define SYSCALL_NORMAL_COUNT 1024
53 struct extra_syscall {
54 STAILQ_ENTRY(extra_syscall) entries;
61 enum sysdecode_abi abi;
62 int (*fetch_args)(struct trussinfo *, u_int);
63 int (*fetch_retval)(struct trussinfo *, long *, int *);
64 STAILQ_HEAD(, extra_syscall) extra_syscalls;
65 struct syscall *syscalls[SYSCALL_NORMAL_COUNT];
68 #define PROCABI(abi) DATA_SET(procabi, abi)
71 * This is confusingly named. It holds per-thread state about the
72 * currently executing system call. syscall.h defines a struct
73 * syscall that holds metadata used to format system call arguments.
75 * NB: args[] stores the raw argument values (e.g. from registers)
76 * passed to the system call. s_args[] stores a string representation
77 * of a system call's arguments. These do not necessarily map one to
78 * one. A system call description may omit individual arguments
79 * (padding) or combine adjacent arguments (e.g. when passing an off_t
80 * argument on a 32-bit system). The nargs member contains the count
81 * of valid pointers in s_args[], not args[].
83 struct current_syscall {
87 unsigned long args[10];
88 char *s_args[10]; /* the printable arguments */
93 LIST_ENTRY(threadinfo) entries;
94 struct procinfo *proc;
97 struct current_syscall cs;
98 struct timespec before;
99 struct timespec after;
103 LIST_ENTRY(procinfo) entries;
107 LIST_HEAD(, threadinfo) threadlist;
116 struct timespec start_time;
118 struct threadinfo *curthread;
120 LIST_HEAD(, procinfo) proclist;