mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 11:37:35 +00:00
117 lines
4.4 KiB
C
117 lines
4.4 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2022 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/struct/siginfo-meta.internal.h"
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#include "libc/calls/struct/siginfo.h"
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#include "libc/dce.h"
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#include "libc/sysv/consts/sig.h"
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privileged void __siginfo2cosmo(siginfo_t *si, const union siginfo_meta *m) {
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void *si_addr;
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int32_t si_signo;
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int32_t si_errno;
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int32_t si_code;
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int32_t si_pid;
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int32_t si_uid;
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int32_t si_status;
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int32_t si_timerid;
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int32_t si_overrun;
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union sigval si_value;
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if (IsLinux()) {
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*si = m->linux;
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return;
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} else if (IsFreebsd()) {
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si_signo = m->freebsd.si_signo;
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si_errno = m->freebsd.si_errno;
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si_code = m->freebsd.si_code;
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si_pid = m->freebsd.si_pid;
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si_uid = m->freebsd.si_uid;
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si_status = m->freebsd.si_status;
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si_timerid = m->freebsd.si_timerid;
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si_overrun = m->freebsd.si_overrun;
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si_addr = m->freebsd.si_addr;
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si_value = m->freebsd.si_value;
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} else if (IsXnu()) {
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si_signo = m->xnu.si_signo;
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si_errno = m->xnu.si_errno;
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si_code = m->xnu.si_code;
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si_pid = m->xnu.si_pid;
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si_uid = m->xnu.si_uid;
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si_status = m->xnu.si_status;
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si_timerid = 0;
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si_overrun = 0;
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si_addr = m->xnu.si_addr;
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si_value = m->xnu.si_value;
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} else if (IsOpenbsd()) {
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si_signo = m->openbsd.si_signo;
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si_errno = m->openbsd.si_errno;
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si_code = m->openbsd.si_code;
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si_pid = m->openbsd.si_pid;
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si_uid = m->openbsd.si_uid;
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si_status = m->openbsd.si_status;
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si_timerid = 0;
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si_overrun = 0;
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si_addr = m->openbsd.si_addr;
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si_value = m->openbsd.si_value;
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} else if (IsNetbsd()) {
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si_signo = m->netbsd.si_signo;
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si_errno = m->netbsd.si_errno;
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si_code = m->netbsd.si_code;
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si_pid = m->netbsd.si_pid;
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si_uid = m->netbsd.si_uid;
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si_status = m->netbsd.si_status;
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si_timerid = 0;
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si_overrun = 0;
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si_addr = m->netbsd.si_addr;
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si_value = m->netbsd.si_value;
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} else {
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notpossible;
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}
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// Turn BUS_OBJERR into BUS_ADRERR for consistency with Linux.
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// See test/libc/calls/sigbus_test.c
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if (IsFreebsd() || IsOpenbsd()) {
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if (si_signo == 10 && si_code == 3) {
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si_code = 2;
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}
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}
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*si = (siginfo_t){0};
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si->si_signo = si_signo;
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si->si_errno = si_errno;
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si->si_code = si_code;
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si->si_value = si_value;
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if (si_signo == SIGILL || //
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si_signo == SIGFPE || //
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si_signo == SIGSEGV || //
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si_signo == SIGBUS || //
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si_signo == SIGTRAP) {
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si->si_addr = si_addr;
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} else if (si_signo == SIGCHLD) {
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si->si_status = si_status;
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si->si_pid = si_pid;
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si->si_uid = si_uid;
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} else if (si_signo == SIGALRM) {
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si->si_timerid = si_timerid;
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si->si_overrun = si_overrun;
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} else {
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si->si_pid = si_pid;
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si->si_uid = si_uid;
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}
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}
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