1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2022 Dmitry Chagin <[email protected]> 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 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. 14 * 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 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/cdefs.h> 29 __FBSDID("$FreeBSD$"); 30 31 #include <sys/types.h> 32 #include <sys/proc.h> 33 #include <stdbool.h> 34 #include <stdio.h> 35 #include <sysdecode.h> 36 37 #include "support.h" 38 39 #ifdef __aarch64__ 40 #include <arm64/linux/linux.h> 41 #elif __i386__ 42 #include <i386/linux/linux.h> 43 #elif __amd64__ 44 #ifdef COMPAT_32BIT 45 #include <amd64/linux32/linux.h> 46 #else 47 #include <amd64/linux/linux.h> 48 #endif 49 #else 50 #error "Unsupported Linux arch" 51 #endif 52 53 #include <compat/linux/linux.h> 54 #include <compat/linux/linux_timer.h> 55 56 #define X(a,b) { a, #b }, 57 #define XEND { 0, NULL } 58 59 #define TABLE_START(n) static struct name_table n[] = { 60 #define TABLE_ENTRY X 61 #define TABLE_END XEND }; 62 63 #include "tables_linux.h" 64 65 #undef TABLE_START 66 #undef TABLE_ENTRY 67 #undef TABLE_END 68 69 static const char *linux_signames[] = { 70 [LINUX_SIGHUP] = "SIGHUP", 71 [LINUX_SIGINT] = "SIGINT", 72 [LINUX_SIGQUIT] = "SIGQUIT", 73 [LINUX_SIGILL] = "SIGILL", 74 [LINUX_SIGTRAP] = "SIGTRAP", 75 [LINUX_SIGABRT] = "SIGABRT", 76 [LINUX_SIGBUS] = "SIGBUS", 77 [LINUX_SIGFPE] = "SIGFPE", 78 [LINUX_SIGKILL] = "SIGKILL", 79 [LINUX_SIGUSR1] = "SIGUSR1", 80 [LINUX_SIGSEGV] = "SIGSEGV", 81 [LINUX_SIGUSR2] = "SIGUSR2", 82 [LINUX_SIGPIPE] = "SIGPIPE", 83 [LINUX_SIGALRM] = "SIGALRM", 84 [LINUX_SIGTERM] = "SIGTERM", 85 [LINUX_SIGSTKFLT] = "SIGSTKFLT", 86 [LINUX_SIGCHLD] = "SIGCHLD", 87 [LINUX_SIGCONT] = "SIGCONT", 88 [LINUX_SIGSTOP] = "SIGSTOP", 89 [LINUX_SIGTSTP] = "SIGTSTP", 90 [LINUX_SIGTTIN] = "SIGTTIN", 91 [LINUX_SIGTTOU] = "SIGTTOU", 92 [LINUX_SIGURG] = "SIGURG", 93 [LINUX_SIGXCPU] = "SIGXCPU", 94 [LINUX_SIGXFSZ] = "SIGXFSZ", 95 [LINUX_SIGVTALRM] = "SIGVTALRM", 96 [LINUX_SIGPROF] = "SIGPROF", 97 [LINUX_SIGWINCH] = "SIGWINCH", 98 [LINUX_SIGIO] = "SIGIO", 99 [LINUX_SIGPWR] = "SIGPWR", 100 [LINUX_SIGSYS] = "SIGSYS", 101 102 [LINUX_SIGRTMIN] = "SIGCANCEL", 103 [LINUX_SIGRTMIN + 1] = "SIGSETXID", 104 [LINUX_SIGRTMIN + 2] = "SIGRT2", 105 [LINUX_SIGRTMIN + 3] = "SIGRT3", 106 [LINUX_SIGRTMIN + 4] = "SIGRT4", 107 [LINUX_SIGRTMIN + 5] = "SIGRT5", 108 [LINUX_SIGRTMIN + 6] = "SIGRT6", 109 [LINUX_SIGRTMIN + 7] = "SIGRT7", 110 [LINUX_SIGRTMIN + 8] = "SIGRT8", 111 [LINUX_SIGRTMIN + 9] = "SIGRT9", 112 [LINUX_SIGRTMIN + 10] = "SIGRT10", 113 [LINUX_SIGRTMIN + 11] = "SIGRT11", 114 [LINUX_SIGRTMIN + 12] = "SIGRT12", 115 [LINUX_SIGRTMIN + 13] = "SIGRT13", 116 [LINUX_SIGRTMIN + 14] = "SIGRT14", 117 [LINUX_SIGRTMIN + 15] = "SIGRT15", 118 [LINUX_SIGRTMIN + 16] = "SIGRT16", 119 [LINUX_SIGRTMIN + 17] = "SIGRT17", 120 [LINUX_SIGRTMIN + 18] = "SIGRT18", 121 [LINUX_SIGRTMIN + 19] = "SIGRT19", 122 [LINUX_SIGRTMIN + 20] = "SIGRT20", 123 [LINUX_SIGRTMIN + 21] = "SIGRT21", 124 [LINUX_SIGRTMIN + 22] = "SIGRT22", 125 [LINUX_SIGRTMIN + 23] = "SIGRT23", 126 [LINUX_SIGRTMIN + 24] = "SIGRT24", 127 [LINUX_SIGRTMIN + 25] = "SIGRT25", 128 [LINUX_SIGRTMIN + 26] = "SIGRT26", 129 [LINUX_SIGRTMIN + 27] = "SIGRT27", 130 [LINUX_SIGRTMIN + 28] = "SIGRT28", 131 [LINUX_SIGRTMIN + 29] = "SIGRT29", 132 [LINUX_SIGRTMIN + 30] = "SIGRT30", 133 [LINUX_SIGRTMIN + 31] = "SIGRT31", 134 [LINUX_SIGRTMIN + 32] = "SIGRTMAX", 135 }; 136 _Static_assert(nitems(linux_signames) == LINUX_SIGRTMAX + 1, 137 "invalid entries count in linux_signames"); 138 139 void 140 sysdecode_linux_clockid(FILE *fp, clockid_t which) 141 { 142 const char *str; 143 clockid_t ci; 144 pid_t pid; 145 146 if (which >= 0) { 147 str = lookup_value(clockids, which); 148 if (str == NULL) 149 fprintf(fp, "UNKNOWN(%d)", which); 150 else 151 fputs(str, fp); 152 return; 153 } 154 if ((which & LINUX_CLOCKFD_MASK) == LINUX_CLOCKFD_MASK) { 155 fputs("INVALID PERTHREAD|CLOCKFD", fp); 156 goto pidp; 157 } 158 ci = LINUX_CPUCLOCK_WHICH(which); 159 if (LINUX_CPUCLOCK_PERTHREAD(which) == true) 160 fputs("THREAD|", fp); 161 else 162 fputs("PROCESS|", fp); 163 str = lookup_value(clockcpuids, ci); 164 if (str != NULL) 165 fputs(str, fp); 166 else { 167 if (ci == LINUX_CLOCKFD) 168 fputs("CLOCKFD", fp); 169 else 170 fprintf(fp, "UNKNOWN(%d)", which); 171 } 172 173 pidp: 174 pid = LINUX_CPUCLOCK_ID(which); 175 fprintf(fp, "(%d)", pid); 176 } 177 178 const char * 179 sysdecode_linux_signal(int sig) 180 { 181 182 if ((unsigned)sig < nitems(linux_signames)) 183 return (linux_signames[sig]); 184 return (NULL); 185 } 186