80 lines
3.6 KiB
C
80 lines
3.6 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ This program is free software; you can redistribute it and/or modify │
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│ it under the terms of the GNU General Public License as published by │
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│ the Free Software Foundation; version 2 of the License. │
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│ │
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│ This program is distributed in the hope that it will be useful, but │
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│ WITHOUT ANY WARRANTY; without even the implied warranty of │
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│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
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│ General Public License for more details. │
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│ │
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│ You should have received a copy of the GNU General Public License │
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│ along with this program; if not, write to the Free Software │
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│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
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│ 02110-1301 USA │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/internal.h"
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#include "libc/calls/struct/siginfo.h"
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#include "libc/calls/ucontext.h"
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#include "libc/nt/enum/exceptionhandleractions.h"
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#include "libc/nt/signals.h"
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#include "libc/nt/struct/ntexceptionpointers.h"
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#include "libc/nt/struct/ntexceptionrecord.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/sig.h"
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textwindows unsigned __wincrash(struct NtExceptionPointers *ep) {
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int sig;
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struct Goodies {
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ucontext_t ctx;
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struct siginfo si;
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} g;
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switch (ep->ExceptionRecord->ExceptionCode) {
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case kNtSignalBreakpoint:
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sig = SIGTRAP;
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break;
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case kNtSignalIllegalInstruction:
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case kNtSignalPrivInstruction:
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sig = SIGILL;
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break;
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case kNtSignalGuardPage:
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case kNtSignalAccessViolation:
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case kNtSignalInPageError:
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sig = SIGSEGV;
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break;
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case kNtSignalInvalidHandle:
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case kNtSignalInvalidParameter:
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case kNtSignalAssertionFailure:
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sig = SIGABRT;
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break;
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case kNtSignalFltDenormalOperand:
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case kNtSignalFltDivideByZero:
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case kNtSignalFltInexactResult:
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case kNtSignalFltInvalidOperation:
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case kNtSignalFltOverflow:
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case kNtSignalFltStackCheck:
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case kNtSignalFltUnderflow:
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case kNtSignalIntegerDivideByZero:
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case kNtSignalFloatMultipleFaults:
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case kNtSignalFloatMultipleTraps:
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sig = SIGFPE;
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break;
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case kNtSignalDllNotFound:
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case kNtSignalOrdinalNotFound:
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case kNtSignalEntrypointNotFound:
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case kNtSignalDllInitFailed:
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sig = SIGSYS;
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break;
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default:
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return kNtExceptionContinueSearch;
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}
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memset(&g, 0, sizeof(g));
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ntcontext2linux(&g.ctx, ep->ContextRecord);
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return __sigenter(sig, &g.si, &g.ctx) ? kNtExceptionContinueExecution
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: kNtExceptionContinueSearch;
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}
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