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FIxing corruption in callbacks

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Signed-off-by: Kyle Wojtaszek <kylewo@microsoft.com>
This commit is contained in:
Kyle Wojtaszek
2021-10-12 14:31:04 -07:00
parent 8f85a06205
commit 4c72048b5c
3 changed files with 9 additions and 6 deletions
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pkg/etw/sample/sample.go
+3
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@@ -7,6 +7,7 @@ import (
"bufio"
"fmt"
"os"
"runtime"
"github.com/Microsoft/go-winio/pkg/etw"
"github.com/Microsoft/go-winio/pkg/guid"
@@ -18,6 +19,8 @@ func callback(sourceID guid.GUID, state etw.ProviderState, level etw.Level, matc
}
func main() {
fmt.Printf("Running on %s/%s\n", runtime.GOOS, runtime.GOARCH)
group, err := guid.FromString("12341234-abcd-abcd-abcd-123412341234")
if err != nil {
logrus.Error(err)
pkg/etw/wrapper_32.go
+1 -1
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@@ -59,7 +59,7 @@ func eventSetInformation(
// For x86, the matchAny and matchAll keywords need to be assembled from two
// 32-bit integers, because the max size of an argument is uintptr, but those
// two arguments are actually 64-bit integers.
func providerCallbackAdapter(sourceID *guid.GUID, state uint32, level uint8, matchAnyKeyword_low uint32, matchAnyKeyword_high uint32, matchAllKeyword_low uint32, matchAllKeyword_high uint32, filterData uintptr, i uintptr) uintptr {
func providerCallbackAdapter(sourceID *guid.GUID, state uint32, level uint32, matchAnyKeyword_low uint32, matchAnyKeyword_high uint32, matchAllKeyword_low uint32, matchAllKeyword_high uint32, filterData uintptr, i uintptr) uintptr {
matchAnyKeyword := uint64(matchAnyKeyword_high)<<32 | uint64(matchAnyKeyword_low)
matchAllKeyword := uint64(matchAllKeyword_high)<<32 | uint64(matchAllKeyword_low)
providerCallback(*sourceID, ProviderState(state), Level(level), uint64(matchAnyKeyword), uint64(matchAllKeyword), filterData, i)
pkg/etw/wrapper_64.go
+1 -1
View File
@@ -46,7 +46,7 @@ func eventSetInformation(
// for provider notifications. Because Go has trouble with callback arguments of
// different size, it has only pointer-sized arguments, which are then cast to
// the appropriate types when calling providerCallback.
func providerCallbackAdapter(sourceID *guid.GUID, state uint32, level uint8, matchAnyKeyword uintptr, matchAllKeyword uintptr, filterData uintptr, i uintptr) uintptr {
func providerCallbackAdapter(sourceID *guid.GUID, state uintptr, level uintptr, matchAnyKeyword uintptr, matchAllKeyword uintptr, filterData uintptr, i uintptr) uintptr {
providerCallback(*sourceID, ProviderState(state), Level(level), uint64(matchAnyKeyword), uint64(matchAllKeyword), filterData, i)
return 0
}