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internal/wasm-tools, syscall: update to wasm-tools-go@v0.3.1 (#4577)

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* internal/wasm-tools, internal/cm: update wasm-tools-go to v0.3.1 and regenerate bindings

* syscall: use new (cm.Result).Result() method instead of OK() and Err()
This commit is contained in:
Randy Reddig
2024-11-04 23:32:17 +01:00
committed by GitHub
parent 5862b481a4
commit c02a8141c7
4 changed files with 90 additions and 86 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/internal/cm/result.go
+10
View File
@@ -71,6 +71,16 @@ func (r *result[Shape, OK, Err]) Err() *Err {
return (*Err)(unsafe.Pointer(&r.data))
}
// Result returns (OK, zero value of Err, false) if r represents the OK case,
// or (zero value of OK, Err, true) if r represents the error case.
// This does not have a pointer receiver, so it can be chained.
func (r result[Shape, OK, Err]) Result() (ok OK, err Err, isErr bool) {
if r.isErr {
return ok, *(*Err)(unsafe.Pointer(&r.data)), true
}
return *(*OK)(unsafe.Pointer(&r.data)), err, false
}
// This function is sized so it can be inlined and optimized away.
func (r *result[Shape, OK, Err]) validate() {
var shape Shape
src/syscall/libc_wasip2.go
+72 -75
View File
@@ -162,8 +162,8 @@ func readStream(stream *wasiStream, buf *byte, count uint, offset int64) int {
}
libcErrno = 0
result := stream.in.BlockingRead(uint64(count))
if err := result.Err(); err != nil {
list, err, isErr := stream.in.BlockingRead(uint64(count)).Result()
if isErr {
if err.Closed() {
libcErrno = 0
return 0
@@ -174,9 +174,7 @@ func readStream(stream *wasiStream, buf *byte, count uint, offset int64) int {
return -1
}
dst := unsafe.Slice(buf, count)
list := result.OK()
copy(dst, list.Slice())
copy(unsafe.Slice(buf, count), list.Slice())
return int(list.Len())
}
@@ -202,8 +200,8 @@ func writeStream(stream *wasiStream, buf *byte, count uint, offset int64) int {
if len > remaining {
len = remaining
}
result := stream.out.BlockingWriteAndFlush(cm.ToList(src[:len]))
if err := result.Err(); err != nil {
_, err, isErr := stream.out.BlockingWriteAndFlush(cm.ToList(src[:len])).Result()
if isErr {
if err.Closed() {
libcErrno = 0
return 0
@@ -248,13 +246,13 @@ func pread(fd int32, buf *byte, count uint, offset int64) int {
return -1
}
result := streams.d.Read(types.FileSize(count), types.FileSize(offset))
if err := result.Err(); err != nil {
libcErrno = errorCodeToErrno(*err)
listEOF, err, isErr := streams.d.Read(types.FileSize(count), types.FileSize(offset)).Result()
if isErr {
libcErrno = errorCodeToErrno(err)
return -1
}
list := result.OK().F0
list := listEOF.F0
copy(unsafe.Slice(buf, count), list.Slice())
// TODO(dgryski): EOF bool is ignored?
@@ -285,14 +283,14 @@ func pwrite(fd int32, buf *byte, count uint, offset int64) int {
return -1
}
result := streams.d.Write(cm.NewList(buf, count), types.FileSize(offset))
if err := result.Err(); err != nil {
n, err, isErr := streams.d.Write(cm.NewList(buf, count), types.FileSize(offset)).Result()
if isErr {
// TODO(dgryski):
libcErrno = errorCodeToErrno(*err)
libcErrno = errorCodeToErrno(err)
return -1
}
return int(*result.OK())
return int(n)
}
// ssize_t lseek(int fd, off_t offset, int whence);
@@ -321,12 +319,12 @@ func lseek(fd int32, offset int64, whence int) int64 {
case 1: // SEEK_CUR
stream.offset += offset
case 2: // SEEK_END
result := stream.d.Stat()
if err := result.Err(); err != nil {
libcErrno = errorCodeToErrno(*err)
stat, err, isErr := stream.d.Stat().Result()
if isErr {
libcErrno = errorCodeToErrno(err)
return -1
}
stream.offset = int64(result.OK().Size) + offset
stream.offset = int64(stat.Size) + offset
}
return int64(stream.offset)
@@ -439,9 +437,9 @@ func mkdir(pathname *byte, mode uint32) int32 {
return -1
}
result := dir.d.CreateDirectoryAt(relPath)
if err := result.Err(); err != nil {
libcErrno = errorCodeToErrno(*err)
_, err, isErr := dir.d.CreateDirectoryAt(relPath).Result()
if isErr {
libcErrno = errorCodeToErrno(err)
return -1
}
@@ -459,9 +457,9 @@ func rmdir(pathname *byte) int32 {
return -1
}
result := dir.d.RemoveDirectoryAt(relPath)
if err := result.Err(); err != nil {
libcErrno = errorCodeToErrno(*err)
_, err, isErr := dir.d.RemoveDirectoryAt(relPath).Result()
if isErr {
libcErrno = errorCodeToErrno(err)
return -1
}
@@ -486,9 +484,9 @@ func rename(from, to *byte) int32 {
return -1
}
result := fromDir.d.RenameAt(fromRelPath, toDir.d, toRelPath)
if err := result.Err(); err != nil {
libcErrno = errorCodeToErrno(*err)
_, err, isErr := fromDir.d.RenameAt(fromRelPath, toDir.d, toRelPath).Result()
if isErr {
libcErrno = errorCodeToErrno(err)
return -1
}
@@ -520,9 +518,9 @@ func symlink(from, to *byte) int32 {
// TODO(dgryski): check fromDir == toDir?
result := fromDir.d.SymlinkAt(fromRelPath, toRelPath)
if err := result.Err(); err != nil {
libcErrno = errorCodeToErrno(*err)
_, err, isErr := fromDir.d.SymlinkAt(fromRelPath, toRelPath).Result()
if isErr {
libcErrno = errorCodeToErrno(err)
return -1
}
@@ -554,9 +552,9 @@ func link(from, to *byte) int32 {
// TODO(dgryski): check fromDir == toDir?
result := fromDir.d.LinkAt(0, fromRelPath, toDir.d, toRelPath)
if err := result.Err(); err != nil {
libcErrno = errorCodeToErrno(*err)
_, err, isErr := fromDir.d.LinkAt(0, fromRelPath, toDir.d, toRelPath).Result()
if isErr {
libcErrno = errorCodeToErrno(err)
return -1
}
@@ -587,9 +585,9 @@ func fsync(fd int32) int32 {
return -1
}
result := streams.d.SyncData()
if err := result.Err(); err != nil {
libcErrno = errorCodeToErrno(*err)
_, err, isErr := streams.d.SyncData().Result()
if isErr {
libcErrno = errorCodeToErrno(err)
return -1
}
@@ -607,13 +605,12 @@ func readlink(pathname *byte, buf *byte, count uint) int {
return -1
}
result := dir.d.ReadLinkAt(relPath)
if err := result.Err(); err != nil {
libcErrno = errorCodeToErrno(*err)
s, err, isErr := dir.d.ReadLinkAt(relPath).Result()
if isErr {
libcErrno = errorCodeToErrno(err)
return -1
}
s := *result.OK()
size := uintptr(count)
if size > uintptr(len(s)) {
size = uintptr(len(s))
@@ -634,9 +631,9 @@ func unlink(pathname *byte) int32 {
return -1
}
result := dir.d.UnlinkFileAt(relPath)
if err := result.Err(); err != nil {
libcErrno = errorCodeToErrno(*err)
_, err, isErr := dir.d.UnlinkFileAt(relPath).Result()
if isErr {
libcErrno = errorCodeToErrno(err)
return -1
}
@@ -661,13 +658,13 @@ func stat(pathname *byte, dst *Stat_t) int32 {
return -1
}
result := dir.d.StatAt(0, relPath)
if err := result.Err(); err != nil {
libcErrno = errorCodeToErrno(*err)
stat, err, isErr := dir.d.StatAt(0, relPath).Result()
if isErr {
libcErrno = errorCodeToErrno(err)
return -1
}
setStatFromWASIStat(dst, result.OK())
setStatFromWASIStat(dst, &stat)
return 0
}
@@ -690,13 +687,13 @@ func fstat(fd int32, dst *Stat_t) int32 {
libcErrno = EBADF
return -1
}
result := stream.d.Stat()
if err := result.Err(); err != nil {
libcErrno = errorCodeToErrno(*err)
stat, err, isErr := stream.d.Stat().Result()
if isErr {
libcErrno = errorCodeToErrno(err)
return -1
}
setStatFromWASIStat(dst, result.OK())
setStatFromWASIStat(dst, &stat)
return 0
}
@@ -745,13 +742,13 @@ func lstat(pathname *byte, dst *Stat_t) int32 {
return -1
}
result := dir.d.StatAt(0, relPath)
if err := result.Err(); err != nil {
libcErrno = errorCodeToErrno(*err)
stat, err, isErr := dir.d.StatAt(0, relPath).Result()
if isErr {
libcErrno = errorCodeToErrno(err)
return -1
}
setStatFromWASIStat(dst, result.OK())
setStatFromWASIStat(dst, &stat)
return 0
}
@@ -981,25 +978,25 @@ func open(pathname *byte, flags int32, mode uint32) int32 {
pflags &^= types.PathFlagsSymlinkFollow
}
result := dir.d.OpenAt(pflags, relPath, oflags, dflags)
if err := result.Err(); err != nil {
libcErrno = errorCodeToErrno(*err)
descriptor, err, isErr := dir.d.OpenAt(pflags, relPath, oflags, dflags).Result()
if isErr {
libcErrno = errorCodeToErrno(err)
return -1
}
stream := wasiFile{
d: *result.OK(),
d: descriptor,
oflag: flags,
refs: 1,
}
if flags&(O_WRONLY|O_APPEND) == (O_WRONLY | O_APPEND) {
result := stream.d.Stat()
if err := result.Err(); err != nil {
libcErrno = errorCodeToErrno(*err)
stat, err, isErr := stream.d.Stat().Result()
if isErr {
libcErrno = errorCodeToErrno(err)
return -1
}
stream.offset = int64(result.OK().Size)
stream.offset = int64(stat.Size)
}
libcfd := findFreeFD()
@@ -1112,13 +1109,13 @@ func fdopendir(fd int32) unsafe.Pointer {
return nil
}
result := stream.d.ReadDirectory()
if err := result.Err(); err != nil {
libcErrno = errorCodeToErrno(*err)
dir, err, isErr := stream.d.ReadDirectory().Result()
if isErr {
libcErrno = errorCodeToErrno(err)
return nil
}
return unsafe.Pointer(&libc_DIR{d: *result.OK()})
return unsafe.Pointer(&libc_DIR{d: dir})
}
// int fdclosedir(DIR *);
@@ -1153,13 +1150,13 @@ func readdir(dirp unsafe.Pointer) *Dirent {
return nil
}
result := dir.d.ReadDirectoryEntry()
if err := result.Err(); err != nil {
libcErrno = errorCodeToErrno(*err)
someEntry, err, isErr := dir.d.ReadDirectoryEntry().Result()
if isErr {
libcErrno = errorCodeToErrno(err)
return nil
}
entry := result.OK().Some()
entry := someEntry.Some()
if entry == nil {
libcErrno = 0
return nil
@@ -1311,9 +1308,9 @@ func chdir(name *byte) int {
return -1
}
result := dir.d.OpenAt(types.PathFlagsSymlinkFollow, rel, types.OpenFlagsDirectory, types.DescriptorFlagsRead)
if err := result.Err(); err != nil {
libcErrno = errorCodeToErrno(*err)
_, err, isErr := dir.d.OpenAt(types.PathFlagsSymlinkFollow, rel, types.OpenFlagsDirectory, types.DescriptorFlagsRead).Result()
if isErr {
libcErrno = errorCodeToErrno(err)
return -1
}