/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2022 Dmitry Chagin <dchagin@FreeBSD.orf>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/proc.h>
#include <stdbool.h>
#include <stdio.h>
#include <sysdecode.h>
#include "support.h"
#ifdef __aarch64__
#include <arm64/linux/linux.h>
#elif __i386__
#include <i386/linux/linux.h>
#elif __amd64__
#ifdef COMPAT_32BIT
#include <amd64/linux32/linux.h>
#else
#include <amd64/linux/linux.h>
#endif
#else
#error "Unsupported Linux arch"
#endif
#include <compat/linux/linux.h>
#include <compat/linux/linux_timer.h>
#define X(a,b) { a, #b },
#define XEND { 0, NULL }
#define TABLE_START(n) static struct name_table n[] = {
#define TABLE_ENTRY X
#define TABLE_END XEND };
#include "tables_linux.h"
#undef TABLE_START
#undef TABLE_ENTRY
#undef TABLE_END
static const char *linux_signames[] = {
[LINUX_SIGHUP] = "SIGHUP",
[LINUX_SIGINT] = "SIGINT",
[LINUX_SIGQUIT] = "SIGQUIT",
[LINUX_SIGILL] = "SIGILL",
[LINUX_SIGTRAP] = "SIGTRAP",
[LINUX_SIGABRT] = "SIGABRT",
[LINUX_SIGBUS] = "SIGBUS",
[LINUX_SIGFPE] = "SIGFPE",
[LINUX_SIGKILL] = "SIGKILL",
[LINUX_SIGUSR1] = "SIGUSR1",
[LINUX_SIGSEGV] = "SIGSEGV",
[LINUX_SIGUSR2] = "SIGUSR2",
[LINUX_SIGPIPE] = "SIGPIPE",
[LINUX_SIGALRM] = "SIGALRM",
[LINUX_SIGTERM] = "SIGTERM",
[LINUX_SIGSTKFLT] = "SIGSTKFLT",
[LINUX_SIGCHLD] = "SIGCHLD",
[LINUX_SIGCONT] = "SIGCONT",
[LINUX_SIGSTOP] = "SIGSTOP",
[LINUX_SIGTSTP] = "SIGTSTP",
[LINUX_SIGTTIN] = "SIGTTIN",
[LINUX_SIGTTOU] = "SIGTTOU",
[LINUX_SIGURG] = "SIGURG",
[LINUX_SIGXCPU] = "SIGXCPU",
[LINUX_SIGXFSZ] = "SIGXFSZ",
[LINUX_SIGVTALRM] = "SIGVTALRM",
[LINUX_SIGPROF] = "SIGPROF",
[LINUX_SIGWINCH] = "SIGWINCH",
[LINUX_SIGIO] = "SIGIO",
[LINUX_SIGPWR] = "SIGPWR",
[LINUX_SIGSYS] = "SIGSYS",
[LINUX_SIGRTMIN] = "SIGCANCEL",
[LINUX_SIGRTMIN + 1] = "SIGSETXID",
[LINUX_SIGRTMIN + 2] = "SIGRT2",
[LINUX_SIGRTMIN + 3] = "SIGRT3",
[LINUX_SIGRTMIN + 4] = "SIGRT4",
[LINUX_SIGRTMIN + 5] = "SIGRT5",
[LINUX_SIGRTMIN + 6] = "SIGRT6",
[LINUX_SIGRTMIN + 7] = "SIGRT7",
[LINUX_SIGRTMIN + 8] = "SIGRT8",
[LINUX_SIGRTMIN + 9] = "SIGRT9",
[LINUX_SIGRTMIN + 10] = "SIGRT10",
[LINUX_SIGRTMIN + 11] = "SIGRT11",
[LINUX_SIGRTMIN + 12] = "SIGRT12",
[LINUX_SIGRTMIN + 13] = "SIGRT13",
[LINUX_SIGRTMIN + 14] = "SIGRT14",
[LINUX_SIGRTMIN + 15] = "SIGRT15",
[LINUX_SIGRTMIN + 16] = "SIGRT16",
[LINUX_SIGRTMIN + 17] = "SIGRT17",
[LINUX_SIGRTMIN + 18] = "SIGRT18",
[LINUX_SIGRTMIN + 19] = "SIGRT19",
[LINUX_SIGRTMIN + 20] = "SIGRT20",
[LINUX_SIGRTMIN + 21] = "SIGRT21",
[LINUX_SIGRTMIN + 22] = "SIGRT22",
[LINUX_SIGRTMIN + 23] = "SIGRT23",
[LINUX_SIGRTMIN + 24] = "SIGRT24",
[LINUX_SIGRTMIN + 25] = "SIGRT25",
[LINUX_SIGRTMIN + 26] = "SIGRT26",
[LINUX_SIGRTMIN + 27] = "SIGRT27",
[LINUX_SIGRTMIN + 28] = "SIGRT28",
[LINUX_SIGRTMIN + 29] = "SIGRT29",
[LINUX_SIGRTMIN + 30] = "SIGRT30",
[LINUX_SIGRTMIN + 31] = "SIGRT31",
[LINUX_SIGRTMIN + 32] = "SIGRTMAX",
};
_Static_assert(nitems(linux_signames) == LINUX_SIGRTMAX + 1,
"invalid entries count in linux_signames");
void
sysdecode_linux_clockid(FILE *fp, clockid_t which)
{
const char *str;
clockid_t ci;
pid_t pid;
if (which >= 0) {
str = lookup_value(clockids, which);
if (str == NULL)
fprintf(fp, "UNKNOWN(%d)", which);
else
fputs(str, fp);
return;
}
if ((which & LINUX_CLOCKFD_MASK) == LINUX_CLOCKFD_MASK) {
fputs("INVALID PERTHREAD|CLOCKFD", fp);
goto pidp;
}
ci = LINUX_CPUCLOCK_WHICH(which);
if (LINUX_CPUCLOCK_PERTHREAD(which) == true)
fputs("THREAD|", fp);
else
fputs("PROCESS|", fp);
str = lookup_value(clockcpuids, ci);
if (str != NULL)
fputs(str, fp);
else {
if (ci == LINUX_CLOCKFD)
fputs("CLOCKFD", fp);
else
fprintf(fp, "UNKNOWN(%d)", which);
}
pidp:
pid = LINUX_CPUCLOCK_ID(which);
fprintf(fp, "(%d)", pid);
}
const char *
sysdecode_linux_signal(int sig)
{
if ((unsigned)sig < nitems(linux_signames))
return (linux_signames[sig]);
return (NULL);
}
const char *
sysdecode_linux_sigprocmask_how(int how)
{
return (lookup_value(sigprocmaskhow, how));
}
bool
sysdecode_linux_clock_flags(FILE *fp, int flags, int *rem)
{
return (print_mask_int(fp, clockflags, flags, rem));
}
