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91 lines
3.6 KiB
C++
91 lines
3.6 KiB
C++
/*
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* Copyright (c) 2003, 2026, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "cds/aotMetaspace.hpp"
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#include "cds/cdsConfig.hpp"
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#include "cppstdlib/cstdlib.hpp"
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#include "runtime/arguments.hpp"
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#include "runtime/javaThread.hpp"
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#include "runtime/os.hpp"
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#include "utilities/debug.hpp"
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#include "utilities/vmError.hpp"
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LONG WINAPI crash_handler(struct _EXCEPTION_POINTERS* exceptionInfo) {
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DWORD exception_code = exceptionInfo->ExceptionRecord->ExceptionCode;
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VMError::report_and_die(nullptr, exception_code, nullptr, exceptionInfo->ExceptionRecord,
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exceptionInfo->ContextRecord);
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return EXCEPTION_CONTINUE_SEARCH;
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}
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void VMError::install_secondary_signal_handler() {
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SetUnhandledExceptionFilter(crash_handler);
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}
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// Write a hint to the stream in case siginfo relates to a segv/bus error
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// and the offending address points into CDS archive.
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void VMError::check_failing_cds_access(outputStream* st, const void* siginfo) {
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#if INCLUDE_CDS
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if (siginfo && CDSConfig::is_using_archive()) {
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const EXCEPTION_RECORD* const er = (const EXCEPTION_RECORD*)siginfo;
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if (er->ExceptionCode == EXCEPTION_IN_PAGE_ERROR &&
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er->NumberParameters >= 2) {
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const void* const fault_addr = (const void*) er->ExceptionInformation[1];
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if (fault_addr != nullptr) {
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if (AOTMetaspace::in_aot_cache(fault_addr)) {
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st->print("Error accessing class data sharing archive. "
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"Mapped file inaccessible during execution, possible disk/network problem.");
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}
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}
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}
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}
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#endif
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}
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// Error reporting cancellation: there is no easy way to implement this on Windows, because we do
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// not have an easy way to send signals to threads (aka to cause a win32 Exception in another
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// thread). We would need something like "RaiseException(HANDLE thread)"...
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void VMError::reporting_started() {}
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void VMError::interrupt_reporting_thread() {}
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void VMError::raise_fail_fast(const void* exrecord, const void* context) {
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DWORD flags = (exrecord == nullptr) ? FAIL_FAST_GENERATE_EXCEPTION_ADDRESS : 0;
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PEXCEPTION_RECORD exception_record = static_cast<PEXCEPTION_RECORD>(const_cast<void*>(exrecord));
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PCONTEXT ctx = static_cast<PCONTEXT>(const_cast<void*>(context));
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RaiseFailFastException(exception_record, ctx, flags);
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::abort();
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}
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bool VMError::was_assert_poison_crash(const void* siginfo) {
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#ifdef CAN_SHOW_REGISTERS_ON_ASSERT
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if (siginfo == nullptr) {
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return false;
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}
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const EXCEPTION_RECORD* const er = (EXCEPTION_RECORD*)siginfo;
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if (er->ExceptionCode == EXCEPTION_ACCESS_VIOLATION && er->NumberParameters >= 2) {
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return (void*)er->ExceptionInformation[1] == g_assert_poison_read_only;
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}
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#endif
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return false;
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}
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