bd35e83bcf
Reviewed by: emaste Differential Revision: https://reviews.freebsd.org/D40150 MFC after: 1 week
261 lines
6.5 KiB
C
261 lines
6.5 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2022 Dmitry Chagin <dchagin@FreeBSD.org>
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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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*
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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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#include <sys/types.h>
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#include <sys/proc.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <sysdecode.h>
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#include "support.h"
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#ifdef __aarch64__
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#include <arm64/linux/linux.h>
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#elif __i386__
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#include <i386/linux/linux.h>
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#elif __amd64__
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#ifdef COMPAT_32BIT
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#include <amd64/linux32/linux.h>
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#else
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#include <amd64/linux/linux.h>
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#endif
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#else
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#error "Unsupported Linux arch"
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#endif
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#include <compat/linux/linux.h>
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#include <compat/linux/linux_file.h>
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#include <compat/linux/linux_fork.h>
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#include <compat/linux/linux_time.h>
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#define X(a,b) { a, #b },
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#define XEND { 0, NULL }
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#define TABLE_START(n) static struct name_table n[] = {
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#define TABLE_ENTRY X
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#define TABLE_END XEND };
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#include "tables_linux.h"
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#undef TABLE_START
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#undef TABLE_ENTRY
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#undef TABLE_END
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static const char *linux_signames[] = {
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[LINUX_SIGHUP] = "SIGHUP",
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[LINUX_SIGINT] = "SIGINT",
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[LINUX_SIGQUIT] = "SIGQUIT",
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[LINUX_SIGILL] = "SIGILL",
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[LINUX_SIGTRAP] = "SIGTRAP",
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[LINUX_SIGABRT] = "SIGABRT",
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[LINUX_SIGBUS] = "SIGBUS",
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[LINUX_SIGFPE] = "SIGFPE",
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[LINUX_SIGKILL] = "SIGKILL",
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[LINUX_SIGUSR1] = "SIGUSR1",
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[LINUX_SIGSEGV] = "SIGSEGV",
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[LINUX_SIGUSR2] = "SIGUSR2",
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[LINUX_SIGPIPE] = "SIGPIPE",
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[LINUX_SIGALRM] = "SIGALRM",
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[LINUX_SIGTERM] = "SIGTERM",
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[LINUX_SIGSTKFLT] = "SIGSTKFLT",
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[LINUX_SIGCHLD] = "SIGCHLD",
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[LINUX_SIGCONT] = "SIGCONT",
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[LINUX_SIGSTOP] = "SIGSTOP",
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[LINUX_SIGTSTP] = "SIGTSTP",
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[LINUX_SIGTTIN] = "SIGTTIN",
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[LINUX_SIGTTOU] = "SIGTTOU",
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[LINUX_SIGURG] = "SIGURG",
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[LINUX_SIGXCPU] = "SIGXCPU",
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[LINUX_SIGXFSZ] = "SIGXFSZ",
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[LINUX_SIGVTALRM] = "SIGVTALRM",
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[LINUX_SIGPROF] = "SIGPROF",
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[LINUX_SIGWINCH] = "SIGWINCH",
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[LINUX_SIGIO] = "SIGIO",
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[LINUX_SIGPWR] = "SIGPWR",
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[LINUX_SIGSYS] = "SIGSYS",
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[LINUX_SIGRTMIN] = "SIGCANCEL",
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[LINUX_SIGRTMIN + 1] = "SIGSETXID",
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[LINUX_SIGRTMIN + 2] = "SIGRT2",
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[LINUX_SIGRTMIN + 3] = "SIGRT3",
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[LINUX_SIGRTMIN + 4] = "SIGRT4",
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[LINUX_SIGRTMIN + 5] = "SIGRT5",
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[LINUX_SIGRTMIN + 6] = "SIGRT6",
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[LINUX_SIGRTMIN + 7] = "SIGRT7",
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[LINUX_SIGRTMIN + 8] = "SIGRT8",
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[LINUX_SIGRTMIN + 9] = "SIGRT9",
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[LINUX_SIGRTMIN + 10] = "SIGRT10",
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[LINUX_SIGRTMIN + 11] = "SIGRT11",
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[LINUX_SIGRTMIN + 12] = "SIGRT12",
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[LINUX_SIGRTMIN + 13] = "SIGRT13",
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[LINUX_SIGRTMIN + 14] = "SIGRT14",
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[LINUX_SIGRTMIN + 15] = "SIGRT15",
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[LINUX_SIGRTMIN + 16] = "SIGRT16",
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[LINUX_SIGRTMIN + 17] = "SIGRT17",
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[LINUX_SIGRTMIN + 18] = "SIGRT18",
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[LINUX_SIGRTMIN + 19] = "SIGRT19",
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[LINUX_SIGRTMIN + 20] = "SIGRT20",
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[LINUX_SIGRTMIN + 21] = "SIGRT21",
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[LINUX_SIGRTMIN + 22] = "SIGRT22",
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[LINUX_SIGRTMIN + 23] = "SIGRT23",
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[LINUX_SIGRTMIN + 24] = "SIGRT24",
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[LINUX_SIGRTMIN + 25] = "SIGRT25",
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[LINUX_SIGRTMIN + 26] = "SIGRT26",
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[LINUX_SIGRTMIN + 27] = "SIGRT27",
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[LINUX_SIGRTMIN + 28] = "SIGRT28",
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[LINUX_SIGRTMIN + 29] = "SIGRT29",
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[LINUX_SIGRTMIN + 30] = "SIGRT30",
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[LINUX_SIGRTMIN + 31] = "SIGRT31",
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[LINUX_SIGRTMIN + 32] = "SIGRTMAX",
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};
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_Static_assert(nitems(linux_signames) == LINUX_SIGRTMAX + 1,
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"invalid entries count in linux_signames");
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void
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sysdecode_linux_clockid(FILE *fp, clockid_t which)
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{
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const char *str;
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clockid_t ci;
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pid_t pid;
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if (which >= 0) {
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str = lookup_value(clockids, which);
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if (str == NULL)
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fprintf(fp, "UNKNOWN(%d)", which);
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else
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fputs(str, fp);
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return;
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}
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if ((which & LINUX_CLOCKFD_MASK) == LINUX_CLOCKFD_MASK) {
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fputs("INVALID PERTHREAD|CLOCKFD", fp);
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goto pidp;
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}
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ci = LINUX_CPUCLOCK_WHICH(which);
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if (LINUX_CPUCLOCK_PERTHREAD(which) == true)
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fputs("THREAD|", fp);
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else
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fputs("PROCESS|", fp);
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str = lookup_value(clockcpuids, ci);
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if (str != NULL)
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fputs(str, fp);
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else {
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if (ci == LINUX_CLOCKFD)
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fputs("CLOCKFD", fp);
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else
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fprintf(fp, "UNKNOWN(%d)", which);
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}
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pidp:
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pid = LINUX_CPUCLOCK_ID(which);
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fprintf(fp, "(%d)", pid);
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}
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const char *
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sysdecode_linux_signal(int sig)
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{
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if ((unsigned)sig < nitems(linux_signames))
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return (linux_signames[sig]);
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return (NULL);
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}
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const char *
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sysdecode_linux_sigprocmask_how(int how)
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{
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return (lookup_value(sigprocmaskhow, how));
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}
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bool
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sysdecode_linux_clock_flags(FILE *fp, int flags, int *rem)
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{
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return (print_mask_int(fp, clockflags, flags, rem));
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}
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bool
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sysdecode_linux_atflags(FILE *fp, int flag, int *rem)
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{
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return (print_mask_int(fp, atflags, flag, rem));
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}
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bool
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sysdecode_linux_open_flags(FILE *fp, int flags, int *rem)
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{
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bool printed;
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int mode;
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uintmax_t val;
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mode = flags & LINUX_O_ACCMODE;
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flags &= ~LINUX_O_ACCMODE;
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switch (mode) {
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case LINUX_O_RDONLY:
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fputs("O_RDONLY", fp);
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printed = true;
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mode = 0;
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break;
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case LINUX_O_WRONLY:
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fputs("O_WRONLY", fp);
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printed = true;
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mode = 0;
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break;
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case LINUX_O_RDWR:
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fputs("O_RDWR", fp);
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printed = true;
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mode = 0;
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break;
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default:
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printed = false;
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}
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val = (unsigned)flags;
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print_mask_part(fp, openflags, &val, &printed);
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if (rem != NULL)
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*rem = val | mode;
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return (printed);
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}
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bool
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sysdecode_linux_clone_flags(FILE *fp, int flags, int *rem)
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{
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uintmax_t val;
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bool printed;
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int sig;
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sig = flags & LINUX_CSIGNAL;
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if (sig != 0)
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fprintf(fp, "(%s)", sysdecode_linux_signal(sig));
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val = (unsigned)flags & ~LINUX_CSIGNAL;
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print_mask_part(fp, cloneflags, &val, &printed);
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if (rem != NULL)
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*rem = val;
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return (printed);
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}
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