mirror of
https://github.com/rwinkhart/go-winio.git
synced 2026-08-28 04:46:50 -04:00
Kevin Parsons
0112307ab4
The ETW registration handle is defined to be 64-bits on all platforms. The Go type previously used a uintptr which created problems on 32-bit systems. This change adds a new wrapper file which receives a 64-bit handle for the functions defined in it, and correctly passes it to the native ETW functions either as-is (on 64-bit) or as two 32-bit values (on 32-bit). This required a minor change in mksyscall_windows.go, to allow multiple syscalls that map to the same underlying function without causing a duplicate definition error in the generated file.
21 lines
1.8 KiB
Go
21 lines
1.8 KiB
Go
// Package etw provides support for TraceLogging-based ETW (Event Tracing
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// for Windows). TraceLogging is a format of ETW events that are self-describing
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// (the event contains information on its own schema). This allows them to be
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// decoded without needing a separate manifest with event information. The
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// implementation here is based on the information found in
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// TraceLoggingProvider.h in the Windows SDK, which implements TraceLogging as a
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// set of C macros.
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package etw
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//go:generate go run mksyscall_windows.go -output zsyscall_windows.go etw.go
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//sys eventRegister(providerId *windows.GUID, callback uintptr, callbackContext uintptr, providerHandle *providerHandle) (win32err error) = advapi32.EventRegister
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//sys eventUnregister_64(providerHandle providerHandle) (win32err error) = advapi32.EventUnregister
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//sys eventWriteTransfer_64(providerHandle providerHandle, descriptor *eventDescriptor, activityID *windows.GUID, relatedActivityID *windows.GUID, dataDescriptorCount uint32, dataDescriptors *eventDataDescriptor) (win32err error) = advapi32.EventWriteTransfer
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//sys eventSetInformation_64(providerHandle providerHandle, class eventInfoClass, information uintptr, length uint32) (win32err error) = advapi32.EventSetInformation
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//sys eventUnregister_32(providerHandle_low uint32, providerHandle_high uint32) (win32err error) = advapi32.EventUnregister
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//sys eventWriteTransfer_32(providerHandle_low uint32, providerHandle_high uint32, descriptor *eventDescriptor, activityID *windows.GUID, relatedActivityID *windows.GUID, dataDescriptorCount uint32, dataDescriptors *eventDataDescriptor) (win32err error) = advapi32.EventWriteTransfer
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//sys eventSetInformation_32(providerHandle_low uint32, providerHandle_high uint32, class eventInfoClass, information uintptr, length uint32) (win32err error) = advapi32.EventSetInformation
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