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/*
* Copyright (c) 2025 Apple Inc. All rights reserved.
*
* 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 APPLE INC. ``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 APPLE INC. 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 "config.h"
#include "MARReportCrashPrivate.h"
#ifdef __APPLE__
#if !USE(SYSTEM_MALLOC)
#include <bmalloc/BPlatform.h>
#if BENABLE(LIBPAS)
#include <bmalloc/pas_mar_report_crash.h>
#endif
#endif
#if !USE(SYSTEM_MALLOC) && BENABLE(LIBPAS)
ALWAYS_INLINE pas_mar_backtrace* toInternalRepresentation(PASMARCrashReportBacktraceRef backtrace)
{
return reinterpret_cast<pas_mar_backtrace*>(backtrace);
}
ALWAYS_INLINE pas_mar_crash_report* toInternalRepresentation(PASMARCrashReportRef report)
{
return reinterpret_cast<pas_mar_crash_report*>(report);
}
#endif /* !USE(SYSTEM_MALLOC) && BENABLE(LIBPAS) */
kern_return_t MARReportCrashExtractResults(vm_address_t faultAddress, mach_vm_address_t marGlobalRegistry, unsigned version, task_t task, PASMARCrashReportRef report, crash_reporter_memory_reader_t crmReader)
{
#if !USE(SYSTEM_MALLOC)
#if BENABLE(LIBPAS)
return pas_mar_extract_crash_report(faultAddress, marGlobalRegistry, version, task, toInternalRepresentation(report), crmReader);
#endif
#endif
UNUSED_PARAM(faultAddress);
UNUSED_PARAM(marGlobalRegistry);
UNUSED_PARAM(version);
UNUSED_PARAM(task);
UNUSED_PARAM(report);
UNUSED_PARAM(crmReader);
return KERN_FAILURE;
}
#if !USE(SYSTEM_MALLOC) && BENABLE(LIBPAS)
PASMARCrashReportRef MARCrashReportCreate()
{
void* result = fastMalloc(sizeof(pas_mar_crash_report));
return reinterpret_cast<PASMARCrashReportRef>(new (result) pas_mar_crash_report);
}
void MARCrashReportRelease(PASMARCrashReportRef report)
{
fastFree(report);
}
unsigned MARCrashReportGetVersion(PASMARCrashReportRef report)
{
return toInternalRepresentation(report)->report_version;
}
const char* MARCrashReportGetErrorType(PASMARCrashReportRef report)
{
return toInternalRepresentation(report)->error_type;
}
const char* MARCrashReportGetConfidence(PASMARCrashReportRef report)
{
return toInternalRepresentation(report)->confidence;
}
vm_address_t MARCrashReportGetFaultAddress(PASMARCrashReportRef report)
{
return toInternalRepresentation(report)->fault_address;
}
size_t MARCrashReportGetAllocationSizeBytes(PASMARCrashReportRef report)
{
return toInternalRepresentation(report)->allocation_size_bytes;
}
PASMARCrashReportBacktraceRef MARCrashReportGetAllocationBacktrace(PASMARCrashReportRef report)
{
return reinterpret_cast<PASMARCrashReportBacktraceRef>(&toInternalRepresentation(report)->allocation_backtrace);
}
PASMARCrashReportBacktraceRef MARCrashReportGetDeallocationBacktrace(PASMARCrashReportRef report)
{
return reinterpret_cast<PASMARCrashReportBacktraceRef>(&toInternalRepresentation(report)->deallocation_backtrace);
}
unsigned MARCrashReportBacktraceGetNumFrames(PASMARCrashReportBacktraceRef backtrace)
{
return toInternalRepresentation(backtrace)->num_frames;
}
void** MARCrashReportBacktraceGetBacktraceBuffer(PASMARCrashReportBacktraceRef backtrace)
{
return toInternalRepresentation(backtrace)->backtrace_buffer;
}
#else
IGNORE_CLANG_WARNINGS_BEGIN("missing-noreturn")
PASMARCrashReportRef MARCrashReportCreate()
{
ASSERT_NOT_REACHED();
return nullptr;
}
void MARCrashReportRelease(PASMARCrashReportRef)
{
ASSERT_NOT_REACHED();
}
unsigned MARCrashReportGetVersion(PASMARCrashReportRef)
{
ASSERT_NOT_REACHED();
return 0;
}
const char* MARCrashReportGetErrorType(PASMARCrashReportRef)
{
ASSERT_NOT_REACHED();
return nullptr;
}
const char* MARCrashReportGetConfidence(PASMARCrashReportRef)
{
ASSERT_NOT_REACHED();
return nullptr;
}
vm_address_t MARCrashReportGetFaultAddress(PASMARCrashReportRef)
{
ASSERT_NOT_REACHED();
return 0;
}
size_t MARCrashReportGetAllocationSizeBytes(PASMARCrashReportRef)
{
ASSERT_NOT_REACHED();
return 0;
}
PASMARCrashReportBacktraceRef MARCrashReportGetAllocationBacktrace(PASMARCrashReportRef)
{
ASSERT_NOT_REACHED();
return nullptr;
}
PASMARCrashReportBacktraceRef MARCrashReportGetDeallocationBacktrace(PASMARCrashReportRef)
{
ASSERT_NOT_REACHED();
return nullptr;
}
unsigned MARCrashReportBacktraceGetNumFrames(PASMARCrashReportBacktraceRef)
{
ASSERT_NOT_REACHED();
return 0;
}
void** MARCrashReportBacktraceGetBacktraceBuffer(PASMARCrashReportBacktraceRef)
{
ASSERT_NOT_REACHED();
return nullptr;
}
IGNORE_CLANG_WARNINGS_END // "missing-noreturn"
#endif /* !USE(SYSTEM_MALLOC) && BENABLE(LIBPAS) */
#endif /* __APPLE__ */
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