syscall: use internal/asan and internal/msan

Now with internal/asan and internal/msan available we can cleanup
syscall's duplicated definitions.

For #64611

Change-Id: If714d04ed2d32a4ed27305b3e3dc64ba8cdd1b61
GitHub-Last-Rev: e52fff1
GitHub-Pull-Request: #65935
Reviewed-on: https://go-review.googlesource.com/c/go/+/566755
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: qiulaidongfeng <2645477756@qq.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>

Author: mauri870

src/syscall/asan.go

@@ -8,8 +8,10 @@ package syscall
 
 import (
 	errorspkg "errors"
+	"internal/asan"
 	"internal/bytealg"
 	"internal/itoa"
+	"internal/msan"
 	"internal/oserror"
 	"internal/race"
 	"runtime"
@@ -187,11 +189,11 @@ func Read(fd int, p []byte) (n int, err error) {
 			race.Acquire(unsafe.Pointer(&ioSync))
 		}
 	}
-	if msanenabled && n > 0 {
-		msanWrite(unsafe.Pointer(&p[0]), n)
+	if msan.Enabled && n > 0 {
+		msan.Write(unsafe.Pointer(&p[0]), uintptr(n))
 	}
-	if asanenabled && n > 0 {
-		asanWrite(unsafe.Pointer(&p[0]), n)
+	if asan.Enabled && n > 0 {
+		asan.Write(unsafe.Pointer(&p[0]), n)
 	}
 	return
 }
@@ -211,11 +213,11 @@ func Write(fd int, p []byte) (n int, err error) {
 	if race.Enabled && n > 0 {
 		race.ReadRange(unsafe.Pointer(&p[0]), n)
 	}
-	if msanenabled && n > 0 {
-		msanRead(unsafe.Pointer(&p[0]), n)
+	if msan.Enabled && n > 0 {
+		msan.Read(unsafe.Pointer(&p[0]), uintptr(n))
 	}
-	if asanenabled && n > 0 {
-		asanRead(unsafe.Pointer(&p[0]), n)
+	if asan.Enabled && n > 0 {
+		asan.Read(unsafe.Pointer(&p[0]), n)
 	}
 	return
 }
@@ -230,11 +232,11 @@ func Pread(fd int, p []byte, offset int64) (n int, err error) {
 			race.Acquire(unsafe.Pointer(&ioSync))
 		}
 	}
-	if msanenabled && n > 0 {
-		msanWrite(unsafe.Pointer(&p[0]), n)
+	if msan.Enabled && n > 0 {
+		msan.Write(unsafe.Pointer(&p[0]), uintptr(n))
 	}
-	if asanenabled && n > 0 {
-		asanWrite(unsafe.Pointer(&p[0]), n)
+	if asan.Enabled && n > 0 {
+		asan.Write(unsafe.Pointer(&p[0]), n)
 	}
 	return
 }
@@ -247,11 +249,11 @@ func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
 	if race.Enabled && n > 0 {
 		race.ReadRange(unsafe.Pointer(&p[0]), n)
 	}
-	if msanenabled && n > 0 {
-		msanRead(unsafe.Pointer(&p[0]), n)
+	if msan.Enabled && n > 0 {
+		msan.Read(unsafe.Pointer(&p[0]), uintptr(n))
 	}
-	if asanenabled && n > 0 {
-		asanRead(unsafe.Pointer(&p[0]), n)
+	if asan.Enabled && n > 0 {
+		asan.Read(unsafe.Pointer(&p[0]), n)
 	}
 	return
 }

src/syscall/asan0.go

@@ -8,8 +8,10 @@ package syscall
 
 import (
 	errorspkg "errors"
+	"internal/asan"
 	"internal/bytealg"
 	"internal/itoa"
+	"internal/msan"
 	"internal/oserror"
 	"internal/race"
 	"runtime"
@@ -446,11 +448,11 @@ func ReadFile(fd Handle, p []byte, done *uint32, overlapped *Overlapped) error {
 		}
 		race.Acquire(unsafe.Pointer(&ioSync))
 	}
-	if msanenabled && *done > 0 {
-		msanWrite(unsafe.Pointer(&p[0]), int(*done))
+	if msan.Enabled && *done > 0 {
+		msan.Write(unsafe.Pointer(&p[0]), uintptr(*done))
 	}
-	if asanenabled && *done > 0 {
-		asanWrite(unsafe.Pointer(&p[0]), int(*done))
+	if asan.Enabled && *done > 0 {
+		asan.Write(unsafe.Pointer(&p[0]), int(*done))
 	}
 	return err
 }
@@ -463,11 +465,11 @@ func WriteFile(fd Handle, p []byte, done *uint32, overlapped *Overlapped) error
 	if race.Enabled && *done > 0 {
 		race.ReadRange(unsafe.Pointer(&p[0]), int(*done))
 	}
-	if msanenabled && *done > 0 {
-		msanRead(unsafe.Pointer(&p[0]), int(*done))
+	if msan.Enabled && *done > 0 {
+		msan.Read(unsafe.Pointer(&p[0]), uintptr(*done))
 	}
-	if asanenabled && *done > 0 {
-		asanRead(unsafe.Pointer(&p[0]), int(*done))
+	if asan.Enabled && *done > 0 {
+		asan.Read(unsafe.Pointer(&p[0]), int(*done))
 	}
 	return err
 }