diff options
Diffstat (limited to 'pkg/marshal/primitive')
-rw-r--r-- | pkg/marshal/primitive/primitive_abi_autogen_unsafe.go | 209 |
1 files changed, 64 insertions, 145 deletions
diff --git a/pkg/marshal/primitive/primitive_abi_autogen_unsafe.go b/pkg/marshal/primitive/primitive_abi_autogen_unsafe.go index 8a3b4dd5d..f35d5eea1 100644 --- a/pkg/marshal/primitive/primitive_abi_autogen_unsafe.go +++ b/pkg/marshal/primitive/primitive_abi_autogen_unsafe.go @@ -12,7 +12,6 @@ import ( "gvisor.dev/gvisor/pkg/gohacks" "gvisor.dev/gvisor/pkg/hostarch" "gvisor.dev/gvisor/pkg/marshal" - "gvisor.dev/gvisor/pkg/safecopy" "io" "reflect" "runtime" @@ -54,12 +53,12 @@ func (i *Int16) Packed() bool { // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. func (i *Int16) MarshalUnsafe(dst []byte) { - safecopy.CopyIn(dst, unsafe.Pointer(i)) + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i), uintptr(len(dst))) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. func (i *Int16) UnmarshalUnsafe(src []byte) { - safecopy.CopyOut(unsafe.Pointer(i), src) + gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(len(src))) } // CopyOutN implements marshal.Marshallable.CopyOutN. @@ -178,14 +177,9 @@ func MarshalUnsafeInt16Slice(src []Int16, dst []byte) (int, error) { } size := (*Int16)(nil).SizeBytes() - ptr := unsafe.Pointer(&src) - val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) - - length, err := safecopy.CopyIn(dst[:(size*count)], val) - // Since we bypassed the compiler's escape analysis, indicate that src - // must live until the use above. - runtime.KeepAlive(src) // escapes: replaced by intrinsic. - return length, err + dst = dst[:size*count] + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(dst))) + return size*count, nil } // UnmarshalUnsafeInt16Slice is like Int16.UnmarshalUnsafe, but for a []Int16. @@ -196,14 +190,9 @@ func UnmarshalUnsafeInt16Slice(dst []Int16, src []byte) (int, error) { } size := (*Int16)(nil).SizeBytes() - ptr := unsafe.Pointer(&dst) - val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) - - length, err := safecopy.CopyOut(val, src[:(size*count)]) - // Since we bypassed the compiler's escape analysis, indicate that dst - // must live until the use above. - runtime.KeepAlive(dst) // escapes: replaced by intrinsic. - return length, err + src = src[:(size*count)] + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(src))) + return size*count, nil } // SizeBytes implements marshal.Marshallable.SizeBytes. @@ -231,12 +220,12 @@ func (i *Int32) Packed() bool { // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. func (i *Int32) MarshalUnsafe(dst []byte) { - safecopy.CopyIn(dst, unsafe.Pointer(i)) + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i), uintptr(len(dst))) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. func (i *Int32) UnmarshalUnsafe(src []byte) { - safecopy.CopyOut(unsafe.Pointer(i), src) + gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(len(src))) } // CopyOutN implements marshal.Marshallable.CopyOutN. @@ -355,14 +344,9 @@ func MarshalUnsafeInt32Slice(src []Int32, dst []byte) (int, error) { } size := (*Int32)(nil).SizeBytes() - ptr := unsafe.Pointer(&src) - val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) - - length, err := safecopy.CopyIn(dst[:(size*count)], val) - // Since we bypassed the compiler's escape analysis, indicate that src - // must live until the use above. - runtime.KeepAlive(src) // escapes: replaced by intrinsic. - return length, err + dst = dst[:size*count] + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(dst))) + return size*count, nil } // UnmarshalUnsafeInt32Slice is like Int32.UnmarshalUnsafe, but for a []Int32. @@ -373,14 +357,9 @@ func UnmarshalUnsafeInt32Slice(dst []Int32, src []byte) (int, error) { } size := (*Int32)(nil).SizeBytes() - ptr := unsafe.Pointer(&dst) - val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) - - length, err := safecopy.CopyOut(val, src[:(size*count)]) - // Since we bypassed the compiler's escape analysis, indicate that dst - // must live until the use above. - runtime.KeepAlive(dst) // escapes: replaced by intrinsic. - return length, err + src = src[:(size*count)] + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(src))) + return size*count, nil } // SizeBytes implements marshal.Marshallable.SizeBytes. @@ -408,12 +387,12 @@ func (i *Int64) Packed() bool { // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. func (i *Int64) MarshalUnsafe(dst []byte) { - safecopy.CopyIn(dst, unsafe.Pointer(i)) + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i), uintptr(len(dst))) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. func (i *Int64) UnmarshalUnsafe(src []byte) { - safecopy.CopyOut(unsafe.Pointer(i), src) + gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(len(src))) } // CopyOutN implements marshal.Marshallable.CopyOutN. @@ -532,14 +511,9 @@ func MarshalUnsafeInt64Slice(src []Int64, dst []byte) (int, error) { } size := (*Int64)(nil).SizeBytes() - ptr := unsafe.Pointer(&src) - val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) - - length, err := safecopy.CopyIn(dst[:(size*count)], val) - // Since we bypassed the compiler's escape analysis, indicate that src - // must live until the use above. - runtime.KeepAlive(src) // escapes: replaced by intrinsic. - return length, err + dst = dst[:size*count] + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(dst))) + return size*count, nil } // UnmarshalUnsafeInt64Slice is like Int64.UnmarshalUnsafe, but for a []Int64. @@ -550,14 +524,9 @@ func UnmarshalUnsafeInt64Slice(dst []Int64, src []byte) (int, error) { } size := (*Int64)(nil).SizeBytes() - ptr := unsafe.Pointer(&dst) - val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) - - length, err := safecopy.CopyOut(val, src[:(size*count)]) - // Since we bypassed the compiler's escape analysis, indicate that dst - // must live until the use above. - runtime.KeepAlive(dst) // escapes: replaced by intrinsic. - return length, err + src = src[:(size*count)] + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(src))) + return size*count, nil } // SizeBytes implements marshal.Marshallable.SizeBytes. @@ -585,12 +554,12 @@ func (i *Int8) Packed() bool { // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. func (i *Int8) MarshalUnsafe(dst []byte) { - safecopy.CopyIn(dst, unsafe.Pointer(i)) + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(i), uintptr(len(dst))) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. func (i *Int8) UnmarshalUnsafe(src []byte) { - safecopy.CopyOut(unsafe.Pointer(i), src) + gohacks.Memmove(unsafe.Pointer(i), unsafe.Pointer(&src[0]), uintptr(len(src))) } // CopyOutN implements marshal.Marshallable.CopyOutN. @@ -709,14 +678,9 @@ func MarshalUnsafeInt8Slice(src []Int8, dst []byte) (int, error) { } size := (*Int8)(nil).SizeBytes() - ptr := unsafe.Pointer(&src) - val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) - - length, err := safecopy.CopyIn(dst[:(size*count)], val) - // Since we bypassed the compiler's escape analysis, indicate that src - // must live until the use above. - runtime.KeepAlive(src) // escapes: replaced by intrinsic. - return length, err + dst = dst[:size*count] + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(dst))) + return size*count, nil } // UnmarshalUnsafeInt8Slice is like Int8.UnmarshalUnsafe, but for a []Int8. @@ -727,14 +691,9 @@ func UnmarshalUnsafeInt8Slice(dst []Int8, src []byte) (int, error) { } size := (*Int8)(nil).SizeBytes() - ptr := unsafe.Pointer(&dst) - val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) - - length, err := safecopy.CopyOut(val, src[:(size*count)]) - // Since we bypassed the compiler's escape analysis, indicate that dst - // must live until the use above. - runtime.KeepAlive(dst) // escapes: replaced by intrinsic. - return length, err + src = src[:(size*count)] + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(src))) + return size*count, nil } // SizeBytes implements marshal.Marshallable.SizeBytes. @@ -762,12 +721,12 @@ func (u *Uint16) Packed() bool { // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. func (u *Uint16) MarshalUnsafe(dst []byte) { - safecopy.CopyIn(dst, unsafe.Pointer(u)) + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(u), uintptr(len(dst))) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. func (u *Uint16) UnmarshalUnsafe(src []byte) { - safecopy.CopyOut(unsafe.Pointer(u), src) + gohacks.Memmove(unsafe.Pointer(u), unsafe.Pointer(&src[0]), uintptr(len(src))) } // CopyOutN implements marshal.Marshallable.CopyOutN. @@ -886,14 +845,9 @@ func MarshalUnsafeUint16Slice(src []Uint16, dst []byte) (int, error) { } size := (*Uint16)(nil).SizeBytes() - ptr := unsafe.Pointer(&src) - val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) - - length, err := safecopy.CopyIn(dst[:(size*count)], val) - // Since we bypassed the compiler's escape analysis, indicate that src - // must live until the use above. - runtime.KeepAlive(src) // escapes: replaced by intrinsic. - return length, err + dst = dst[:size*count] + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(dst))) + return size*count, nil } // UnmarshalUnsafeUint16Slice is like Uint16.UnmarshalUnsafe, but for a []Uint16. @@ -904,14 +858,9 @@ func UnmarshalUnsafeUint16Slice(dst []Uint16, src []byte) (int, error) { } size := (*Uint16)(nil).SizeBytes() - ptr := unsafe.Pointer(&dst) - val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) - - length, err := safecopy.CopyOut(val, src[:(size*count)]) - // Since we bypassed the compiler's escape analysis, indicate that dst - // must live until the use above. - runtime.KeepAlive(dst) // escapes: replaced by intrinsic. - return length, err + src = src[:(size*count)] + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(src))) + return size*count, nil } // SizeBytes implements marshal.Marshallable.SizeBytes. @@ -939,12 +888,12 @@ func (u *Uint32) Packed() bool { // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. func (u *Uint32) MarshalUnsafe(dst []byte) { - safecopy.CopyIn(dst, unsafe.Pointer(u)) + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(u), uintptr(len(dst))) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. func (u *Uint32) UnmarshalUnsafe(src []byte) { - safecopy.CopyOut(unsafe.Pointer(u), src) + gohacks.Memmove(unsafe.Pointer(u), unsafe.Pointer(&src[0]), uintptr(len(src))) } // CopyOutN implements marshal.Marshallable.CopyOutN. @@ -1063,14 +1012,9 @@ func MarshalUnsafeUint32Slice(src []Uint32, dst []byte) (int, error) { } size := (*Uint32)(nil).SizeBytes() - ptr := unsafe.Pointer(&src) - val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) - - length, err := safecopy.CopyIn(dst[:(size*count)], val) - // Since we bypassed the compiler's escape analysis, indicate that src - // must live until the use above. - runtime.KeepAlive(src) // escapes: replaced by intrinsic. - return length, err + dst = dst[:size*count] + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(dst))) + return size*count, nil } // UnmarshalUnsafeUint32Slice is like Uint32.UnmarshalUnsafe, but for a []Uint32. @@ -1081,14 +1025,9 @@ func UnmarshalUnsafeUint32Slice(dst []Uint32, src []byte) (int, error) { } size := (*Uint32)(nil).SizeBytes() - ptr := unsafe.Pointer(&dst) - val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) - - length, err := safecopy.CopyOut(val, src[:(size*count)]) - // Since we bypassed the compiler's escape analysis, indicate that dst - // must live until the use above. - runtime.KeepAlive(dst) // escapes: replaced by intrinsic. - return length, err + src = src[:(size*count)] + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(src))) + return size*count, nil } // SizeBytes implements marshal.Marshallable.SizeBytes. @@ -1116,12 +1055,12 @@ func (u *Uint64) Packed() bool { // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. func (u *Uint64) MarshalUnsafe(dst []byte) { - safecopy.CopyIn(dst, unsafe.Pointer(u)) + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(u), uintptr(len(dst))) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. func (u *Uint64) UnmarshalUnsafe(src []byte) { - safecopy.CopyOut(unsafe.Pointer(u), src) + gohacks.Memmove(unsafe.Pointer(u), unsafe.Pointer(&src[0]), uintptr(len(src))) } // CopyOutN implements marshal.Marshallable.CopyOutN. @@ -1240,14 +1179,9 @@ func MarshalUnsafeUint64Slice(src []Uint64, dst []byte) (int, error) { } size := (*Uint64)(nil).SizeBytes() - ptr := unsafe.Pointer(&src) - val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) - - length, err := safecopy.CopyIn(dst[:(size*count)], val) - // Since we bypassed the compiler's escape analysis, indicate that src - // must live until the use above. - runtime.KeepAlive(src) // escapes: replaced by intrinsic. - return length, err + dst = dst[:size*count] + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(dst))) + return size*count, nil } // UnmarshalUnsafeUint64Slice is like Uint64.UnmarshalUnsafe, but for a []Uint64. @@ -1258,14 +1192,9 @@ func UnmarshalUnsafeUint64Slice(dst []Uint64, src []byte) (int, error) { } size := (*Uint64)(nil).SizeBytes() - ptr := unsafe.Pointer(&dst) - val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) - - length, err := safecopy.CopyOut(val, src[:(size*count)]) - // Since we bypassed the compiler's escape analysis, indicate that dst - // must live until the use above. - runtime.KeepAlive(dst) // escapes: replaced by intrinsic. - return length, err + src = src[:(size*count)] + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(src))) + return size*count, nil } // SizeBytes implements marshal.Marshallable.SizeBytes. @@ -1293,12 +1222,12 @@ func (u *Uint8) Packed() bool { // MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe. func (u *Uint8) MarshalUnsafe(dst []byte) { - safecopy.CopyIn(dst, unsafe.Pointer(u)) + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(u), uintptr(len(dst))) } // UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe. func (u *Uint8) UnmarshalUnsafe(src []byte) { - safecopy.CopyOut(unsafe.Pointer(u), src) + gohacks.Memmove(unsafe.Pointer(u), unsafe.Pointer(&src[0]), uintptr(len(src))) } // CopyOutN implements marshal.Marshallable.CopyOutN. @@ -1417,14 +1346,9 @@ func MarshalUnsafeUint8Slice(src []Uint8, dst []byte) (int, error) { } size := (*Uint8)(nil).SizeBytes() - ptr := unsafe.Pointer(&src) - val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) - - length, err := safecopy.CopyIn(dst[:(size*count)], val) - // Since we bypassed the compiler's escape analysis, indicate that src - // must live until the use above. - runtime.KeepAlive(src) // escapes: replaced by intrinsic. - return length, err + dst = dst[:size*count] + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(dst))) + return size*count, nil } // UnmarshalUnsafeUint8Slice is like Uint8.UnmarshalUnsafe, but for a []Uint8. @@ -1435,13 +1359,8 @@ func UnmarshalUnsafeUint8Slice(dst []Uint8, src []byte) (int, error) { } size := (*Uint8)(nil).SizeBytes() - ptr := unsafe.Pointer(&dst) - val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data)) - - length, err := safecopy.CopyOut(val, src[:(size*count)]) - // Since we bypassed the compiler's escape analysis, indicate that dst - // must live until the use above. - runtime.KeepAlive(dst) // escapes: replaced by intrinsic. - return length, err + src = src[:(size*count)] + gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&src[0]), uintptr(len(src))) + return size*count, nil } |