47 lines
1.2 KiB
Go
47 lines
1.2 KiB
Go
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//go:build windows
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package main
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import (
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"fmt"
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"syscall"
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"unsafe"
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"golang.org/x/sys/windows"
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)
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type exceptionRecord struct {
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ExceptionCode uint32
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ExceptionFlags uint32
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ExceptionRecord uintptr
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ExceptionAddress uintptr
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NumberParameters uint32
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ExceptionInformation [15]uintptr
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}
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type exceptionPointers struct {
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ExceptionRecord uintptr
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ContextRecord uintptr
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}
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var hardCrashCallback uintptr
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var procSetUnhandledExceptionFilter = windows.NewLazySystemDLL("kernel32.dll").NewProc("SetUnhandledExceptionFilter")
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func installHardCrashReporter() {
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hardCrashCallback = syscall.NewCallback(func(info uintptr) uintptr {
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detail := "unhandled native exception"
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if info != 0 {
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ptrs := (*exceptionPointers)(unsafe.Pointer(info))
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if ptrs.ExceptionRecord != 0 {
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rec := (*exceptionRecord)(unsafe.Pointer(ptrs.ExceptionRecord))
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detail = fmt.Sprintf("exception=0x%08x address=0x%x flags=0x%x", rec.ExceptionCode, rec.ExceptionAddress, rec.ExceptionFlags)
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}
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}
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path := writeCrashLog("hard crash: "+detail, nil)
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writePendingCrashReport("crash", detail, path)
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return 0
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})
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procSetUnhandledExceptionFilter.Call(hardCrashCallback)
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}
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