pull in ncruces/go-sqlite3 v0.20.3 with tetratelabs/wazero v1.8.2 (#3574)

go.mod

@@ -62,7 +62,7 @@ require (
 	github.com/miekg/dns v1.1.62
 	github.com/minio/minio-go/v7 v7.0.80
 	github.com/mitchellh/mapstructure v1.5.0
-	github.com/ncruces/go-sqlite3 v0.20.2
+	github.com/ncruces/go-sqlite3 v0.20.3
 	github.com/oklog/ulid v1.3.1
 	github.com/prometheus/client_golang v1.20.5
 	github.com/spf13/cobra v1.8.1
@@ -73,7 +73,7 @@ require (
 	github.com/superseriousbusiness/oauth2/v4 v4.3.2-SSB.0.20230227143000-f4900831d6c8
 	github.com/tdewolff/minify/v2 v2.21.2
 	github.com/technologize/otel-go-contrib v1.1.1
-	github.com/tetratelabs/wazero v1.8.1
+	github.com/tetratelabs/wazero v1.8.2
 	github.com/tomnomnom/linkheader v0.0.0-20180905144013-02ca5825eb80
 	github.com/ulule/limiter/v3 v3.11.2
 	github.com/uptrace/bun v1.2.6

go.sum

@@ -434,8 +434,8 @@ github.com/moul/http2curl v1.0.0 h1:dRMWoAtb+ePxMlLkrCbAqh4TlPHXvoGUSQ323/9Zahs=
 github.com/moul/http2curl v1.0.0/go.mod h1:8UbvGypXm98wA/IqH45anm5Y2Z6ep6O31QGOAZ3H0fQ=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
-github.com/ncruces/go-sqlite3 v0.20.2 h1:cMLIwrLZQuCWVCEOowSqlIlpzgbag3jnYVW4NM5u01M=
+github.com/ncruces/go-sqlite3 v0.20.3 h1:+4G4uEqOeusF0yRuQVUl9fuoEebUolwQSnBUjYBLYIw=
-github.com/ncruces/go-sqlite3 v0.20.2/go.mod h1:yL4ZNWGsr1/8pcLfpPW1RT1WFdvyeHonrgIwwi4rvkg=
+github.com/ncruces/go-sqlite3 v0.20.3/go.mod h1:ojLIAB243gtz68Eo283Ps+k9PyR3dvzS+9/RgId4+AA=
 github.com/ncruces/go-strftime v0.1.9 h1:bY0MQC28UADQmHmaF5dgpLmImcShSi2kHU9XLdhx/f4=
 github.com/ncruces/go-strftime v0.1.9/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
 github.com/ncruces/julianday v1.0.0 h1:fH0OKwa7NWvniGQtxdJRxAgkBMolni2BjDHaWTxqt7M=
@@ -553,8 +553,8 @@ github.com/tdewolff/test v1.0.11-0.20240106005702-7de5f7df4739 h1:IkjBCtQOOjIn03
 github.com/tdewolff/test v1.0.11-0.20240106005702-7de5f7df4739/go.mod h1:XPuWBzvdUzhCuxWO1ojpXsyzsA5bFoS3tO/Q3kFuTG8=
 github.com/technologize/otel-go-contrib v1.1.1 h1:wZH9aSPNWZWIkEh3vfaKfMb15AJ80jJ1aVj/4GZdqIw=
 github.com/technologize/otel-go-contrib v1.1.1/go.mod h1:dCN/wj2WyUO8aFZFdIN+6tfJHImjTML/8r2YVYAy3So=
-github.com/tetratelabs/wazero v1.8.1 h1:NrcgVbWfkWvVc4UtT4LRLDf91PsOzDzefMdwhLfA550=
+github.com/tetratelabs/wazero v1.8.2 h1:yIgLR/b2bN31bjxwXHD8a3d+BogigR952csSDdLYEv4=
-github.com/tetratelabs/wazero v1.8.1/go.mod h1:yAI0XTsMBhREkM/YDAK/zNou3GoiAce1P6+rp/wQhjs=
+github.com/tetratelabs/wazero v1.8.2/go.mod h1:yAI0XTsMBhREkM/YDAK/zNou3GoiAce1P6+rp/wQhjs=
 github.com/tidwall/btree v0.0.0-20191029221954-400434d76274 h1:G6Z6HvJuPjG6XfNGi/feOATzeJrfgTNJY+rGrHbA04E=
 github.com/tidwall/btree v0.0.0-20191029221954-400434d76274/go.mod h1:huei1BkDWJ3/sLXmO+bsCNELL+Bp2Kks9OLyQFkzvA8=
 github.com/tidwall/buntdb v1.1.2 h1:noCrqQXL9EKMtcdwJcmuVKSEjqu1ua99RHHgbLTEHRo=

vendor/github.com/ncruces/go-sqlite3/README.md

@@ -77,7 +77,7 @@ It also benefits greatly from [SQLite's](https://sqlite.org/testing.html) and
 Every commit is [tested](https://github.com/ncruces/go-sqlite3/wiki/Test-matrix) on
 Linux (amd64/arm64/386/riscv64/ppc64le/s390x), macOS (amd64/arm64),
 Windows (amd64), FreeBSD (amd64), OpenBSD (amd64), NetBSD (amd64),
-illumos (amd64), and Solaris (amd64).
+DragonFly BSD (amd64), illumos (amd64), and Solaris (amd64).
 
 The Go VFS is tested by running SQLite's
 [mptest](https://github.com/sqlite/sqlite/blob/master/mptest/mptest.c).
@@ -90,6 +90,17 @@ Perfomance of the [`database/sql`](https://pkg.go.dev/database/sql) driver is
 The Wasm and VFS layers are also tested by running SQLite's
 [speedtest1](https://github.com/sqlite/sqlite/blob/master/test/speedtest1.c).
 
+### FAQ, issues, new features
+
+For questions, please see [Discussions](https://github.com/ncruces/go-sqlite3/discussions/categories/q-a).
+
+Also, post there if you used this driver for something interesting
+([_"Show and tell"_](https://github.com/ncruces/go-sqlite3/discussions/categories/show-and-tell)),
+have an [idea](https://github.com/ncruces/go-sqlite3/discussions/categories/ideas)…
+
+The [Issue](https://github.com/ncruces/go-sqlite3/issues) tracker is for bugs we want fixed,
+and features we're working on, planning to work on, or asking for help with.
+
 ### Alternatives
 
 - [`modernc.org/sqlite`](https://pkg.go.dev/modernc.org/sqlite)

vendor/github.com/ncruces/go-sqlite3/embed/README.md

@@ -1,6 +1,6 @@
 # Embeddable Wasm build of SQLite
 
-This folder includes an embeddable Wasm build of SQLite 3.47.0 for use with
+This folder includes an embeddable Wasm build of SQLite 3.47.1 for use with
 [`github.com/ncruces/go-sqlite3`](https://pkg.go.dev/github.com/ncruces/go-sqlite3).
 
 The following optional features are compiled in:

vendor/github.com/ncruces/go-sqlite3/go.work.sum

@@ -9,5 +9,6 @@ golang.org/x/term v0.22.0/go.mod h1:F3qCibpT5AMpCRfhfT53vVJwhLtIVHhB9XDjfFvnMI4=
 golang.org/x/term v0.23.0/go.mod h1:DgV24QBUrK6jhZXl+20l6UWznPlwAHm1Q1mGHtydmSk=
 golang.org/x/term v0.24.0/go.mod h1:lOBK/LVxemqiMij05LGJ0tzNr8xlmwBRJ81PX6wVLH8=
 golang.org/x/term v0.25.0/go.mod h1:RPyXicDX+6vLxogjjRxjgD2TKtmAO6NZBsBRfrOLu7M=
+golang.org/x/term v0.26.0/go.mod h1:Si5m1o57C5nBNQo5z1iq+XDijt21BDBDp2bK0QI8e3E=
 golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
 golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d/go.mod h1:aiJjzUbINMkxbQROHiO6hDPo2LHcIPhhQsa9DLh0yGk=

vendor/github.com/ncruces/go-sqlite3/vfs/README.md

@@ -30,7 +30,6 @@ like SQLite.
 
 You can also opt into a cross-platform locking implementation
 with the `sqlite3_dotlk` build tag.
-The only requirement is an atomic `os.Mkdir`.
 
 Otherwise, file locking is not supported, and you must use
 [`nolock=1`](https://sqlite.org/uri.html#urinolock)

vendor/github.com/ncruces/go-sqlite3/vfs/cksm.go

@@ -101,6 +101,14 @@ func (c cksmFile) Pragma(name string, value string) (string, error) {
 	return "", _NOTFOUND
 }
 
+func (c cksmFile) DeviceCharacteristics() DeviceCharacteristic {
+	res := c.File.DeviceCharacteristics()
+	if c.verifyCksm {
+		res &^= IOCAP_SUBPAGE_READ
+	}
+	return res
+}
+
 func (c cksmFile) fileControl(ctx context.Context, mod api.Module, op _FcntlOpcode, pArg uint32) _ErrorCode {
 	switch op {
 	case _FCNTL_CKPT_START:

vendor/github.com/ncruces/go-sqlite3/vfs/const.go

@@ -177,6 +177,7 @@ func (e _ErrorCode) Error() string {
 	IOCAP_POWERSAFE_OVERWRITE   DeviceCharacteristic = 0x00001000
 	IOCAP_IMMUTABLE             DeviceCharacteristic = 0x00002000
 	IOCAP_BATCH_ATOMIC          DeviceCharacteristic = 0x00004000
+	IOCAP_SUBPAGE_READ          DeviceCharacteristic = 0x00008000
 )
 
 // https://sqlite.org/c3ref/c_fcntl_begin_atomic_write.html

vendor/github.com/ncruces/go-sqlite3/vfs/file.go

@@ -187,7 +187,7 @@ func (f *vfsFile) SectorSize() int {
 }
 
 func (f *vfsFile) DeviceCharacteristics() DeviceCharacteristic {
-	var res DeviceCharacteristic
+	res := IOCAP_SUBPAGE_READ
 	if osBatchAtomic(f.File) {
 		res |= IOCAP_BATCH_ATOMIC
 	}

vendor/github.com/ncruces/go-sqlite3/vfs/os_bsd.go

@@ -15,9 +15,15 @@ func osGetSharedLock(file *os.File) _ErrorCode {
 func osGetReservedLock(file *os.File) _ErrorCode {
 	rc := osLock(file, unix.LOCK_EX|unix.LOCK_NB, _IOERR_LOCK)
 	if rc == _BUSY {
-		// The documentation states the lock is upgraded by releasing the previous lock,
+		// The documentation states that a lock is upgraded by
-		// then acquiring the new lock.
+		// releasing the previous lock, then acquiring the new lock.
-		// This is a race, so return BUSY_SNAPSHOT to ensure the transaction is aborted.
+		// Going over the source code of various BSDs, though,
+		// with LOCK_NB, the lock is not released,
+		// and EAGAIN is returned holding the shared lock.
+		// Still, if we're already in a transaction, we want to abort it,
+		// so return BUSY_SNAPSHOT here. If there's no transaction active,
+		// SQLite will change this back to SQLITE_BUSY,
+		// and invoke the busy handler if appropriate.
 		return _BUSY_SNAPSHOT
 	}
 	return rc
@@ -33,9 +39,11 @@ func osGetExclusiveLock(file *os.File, state *LockLevel) _ErrorCode {
 func osDowngradeLock(file *os.File, _ LockLevel) _ErrorCode {
 	rc := osLock(file, unix.LOCK_SH|unix.LOCK_NB, _IOERR_RDLOCK)
 	if rc == _BUSY {
-		// The documentation states the lock is upgraded by releasing the previous lock,
+		// The documentation states that a lock is downgraded by
-		// then acquiring the new lock.
+		// releasing the previous lock then acquiring the new lock.
-		// This is a race, so return IOERR_RDLOCK to ensure the transaction is aborted.
+		// Going over the source code of various BSDs, though,
+		// with LOCK_SH|LOCK_NB this should never happen.
+		// Return IOERR_RDLOCK, as BUSY would cause an assert to fail.
 		return _IOERR_RDLOCK
 	}
 	return _OK
@@ -50,7 +58,10 @@ func osReleaseLock(file *os.File, _ LockLevel) _ErrorCode {
 }
 
 func osCheckReservedLock(file *os.File) (bool, _ErrorCode) {
-	// Test the RESERVED lock.
+	// Test the RESERVED lock with fcntl(F_GETLK).
+	// This only works on systems where fcntl and flock are compatible.
+	// However, SQLite only calls this while holding a shared lock,
+	// so the difference is immaterial.
 	lock, rc := osTestLock(file, _RESERVED_BYTE, 1)
 	return lock == unix.F_WRLCK, rc
 }

vendor/github.com/ncruces/go-sqlite3/vfs/os_dotlk.go

@@ -28,7 +28,8 @@ func osGetSharedLock(file *os.File) _ErrorCode {
 	name := file.Name()
 	locker := vfsDotLocks[name]
 	if locker == nil {
-		err := os.Mkdir(name+".lock", 0777)
+		f, err := os.OpenFile(name+".lock", os.O_RDWR|os.O_CREATE|os.O_EXCL, 0666)
+		f.Close()
 		if errors.Is(err, fs.ErrExist) {
 			return _BUSY // Another process has the lock.
 		}

vendor/github.com/ncruces/go-sqlite3/vfs/os_windows.go

@@ -50,14 +50,17 @@ func osGetExclusiveLock(file *os.File, state *LockLevel) _ErrorCode {
 
 	if rc != _OK {
 		// Reacquire the SHARED lock.
-		osReadLock(file, _SHARED_FIRST, _SHARED_SIZE, 0)
+		if rc := osReadLock(file, _SHARED_FIRST, _SHARED_SIZE, 0); rc != _OK {
+			// notest // this should never happen
+			return _IOERR_RDLOCK
+		}
 	}
 	return rc
 }
 
 func osDowngradeLock(file *os.File, state LockLevel) _ErrorCode {
 	if state >= LOCK_EXCLUSIVE {
-		// Release the EXCLUSIVE lock.
+		// Release the EXCLUSIVE lock while holding the PENDING lock.
 		osUnlock(file, _SHARED_FIRST, _SHARED_SIZE)
 
 		// Reacquire the SHARED lock.
@@ -78,7 +81,7 @@ func osDowngradeLock(file *os.File, state LockLevel) _ErrorCode {
 }
 
 func osReleaseLock(file *os.File, state LockLevel) _ErrorCode {
-	// Release all locks.
+	// Release all locks, PENDING must be last.
 	if state >= LOCK_RESERVED {
 		osUnlock(file, _RESERVED_BYTE, 1)
 	}

vendor/github.com/ncruces/go-sqlite3/vfs/shm_bsd.go

@@ -14,52 +14,52 @@
 	"github.com/ncruces/go-sqlite3/internal/util"
 )
 
-type vfsShmFile struct {
+type vfsShmParent struct {
 	*os.File
 	info os.FileInfo
 
-	refs int // +checklocks:vfsShmFilesMtx
+	refs int // +checklocks:vfsShmListMtx
 
 	lock [_SHM_NLOCK]int16 // +checklocks:Mutex
 	sync.Mutex
 }
 
 var (
-	// +checklocks:vfsShmFilesMtx
+	// +checklocks:vfsShmListMtx
-	vfsShmFiles    []*vfsShmFile
+	vfsShmList    []*vfsShmParent
-	vfsShmFilesMtx sync.Mutex
+	vfsShmListMtx sync.Mutex
 )
 
 type vfsShm struct {
-	*vfsShmFile
+	*vfsShmParent
 	path    string
 	lock    [_SHM_NLOCK]bool
 	regions []*util.MappedRegion
 }
 
 func (s *vfsShm) Close() error {
-	if s.vfsShmFile == nil {
+	if s.vfsShmParent == nil {
 		return nil
 	}
 
-	vfsShmFilesMtx.Lock()
+	vfsShmListMtx.Lock()
-	defer vfsShmFilesMtx.Unlock()
+	defer vfsShmListMtx.Unlock()
 
 	// Unlock everything.
 	s.shmLock(0, _SHM_NLOCK, _SHM_UNLOCK)
 
 	// Decrease reference count.
-	if s.vfsShmFile.refs > 0 {
+	if s.vfsShmParent.refs > 0 {
-		s.vfsShmFile.refs--
+		s.vfsShmParent.refs--
-		s.vfsShmFile = nil
+		s.vfsShmParent = nil
 		return nil
 	}
 
 	err := s.File.Close()
-	for i, g := range vfsShmFiles {
+	for i, g := range vfsShmList {
-		if g == s.vfsShmFile {
+		if g == s.vfsShmParent {
-			vfsShmFiles[i] = nil
+			vfsShmList[i] = nil
-			s.vfsShmFile = nil
+			s.vfsShmParent = nil
 			return err
 		}
 	}
@@ -67,7 +67,7 @@ func (s *vfsShm) Close() error {
 }
 
 func (s *vfsShm) shmOpen() _ErrorCode {
-	if s.vfsShmFile != nil {
+	if s.vfsShmParent != nil {
 		return _OK
 	}
 
@@ -85,13 +85,13 @@ func (s *vfsShm) shmOpen() _ErrorCode {
 		return _IOERR_FSTAT
 	}
 
-	vfsShmFilesMtx.Lock()
+	vfsShmListMtx.Lock()
-	defer vfsShmFilesMtx.Unlock()
+	defer vfsShmListMtx.Unlock()
 
 	// Find a shared file, increase the reference count.
-	for _, g := range vfsShmFiles {
+	for _, g := range vfsShmList {
 		if g != nil && os.SameFile(fi, g.info) {
-			s.vfsShmFile = g
+			s.vfsShmParent = g
 			g.refs++
 			return _OK
 		}
@@ -107,18 +107,18 @@ func (s *vfsShm) shmOpen() _ErrorCode {
 	}
 
 	// Add the new shared file.
-	s.vfsShmFile = &vfsShmFile{
+	s.vfsShmParent = &vfsShmParent{
 		File: f,
 		info: fi,
 	}
 	f = nil // Don't close the file.
-	for i, g := range vfsShmFiles {
+	for i, g := range vfsShmList {
 		if g == nil {
-			vfsShmFiles[i] = s.vfsShmFile
+			vfsShmList[i] = s.vfsShmParent
 			return _OK
 		}
 	}
-	vfsShmFiles = append(vfsShmFiles, s.vfsShmFile)
+	vfsShmList = append(vfsShmList, s.vfsShmParent)
 	return _OK
 }
 
@@ -157,57 +157,11 @@ func (s *vfsShm) shmMap(ctx context.Context, mod api.Module, id, size int32, ext
 func (s *vfsShm) shmLock(offset, n int32, flags _ShmFlag) _ErrorCode {
 	s.Lock()
 	defer s.Unlock()
-
+	return s.shmMemLock(offset, n, flags)
-	switch {
-	case flags&_SHM_UNLOCK != 0:
-		for i := offset; i < offset+n; i++ {
-			if s.lock[i] {
-				if s.vfsShmFile.lock[i] == 0 {
-					panic(util.AssertErr())
-				}
-				if s.vfsShmFile.lock[i] <= 0 {
-					s.vfsShmFile.lock[i] = 0
-				} else {
-					s.vfsShmFile.lock[i]--
-				}
-				s.lock[i] = false
-			}
-		}
-	case flags&_SHM_SHARED != 0:
-		for i := offset; i < offset+n; i++ {
-			if s.lock[i] {
-				panic(util.AssertErr())
-			}
-			if s.vfsShmFile.lock[i]+1 <= 0 {
-				return _BUSY
-			}
-		}
-		for i := offset; i < offset+n; i++ {
-			s.vfsShmFile.lock[i]++
-			s.lock[i] = true
-		}
-	case flags&_SHM_EXCLUSIVE != 0:
-		for i := offset; i < offset+n; i++ {
-			if s.lock[i] {
-				panic(util.AssertErr())
-			}
-			if s.vfsShmFile.lock[i] != 0 {
-				return _BUSY
-			}
-		}
-		for i := offset; i < offset+n; i++ {
-			s.vfsShmFile.lock[i] = -1
-			s.lock[i] = true
-		}
-	default:
-		panic(util.AssertErr())
-	}
-
-	return _OK
 }
 
 func (s *vfsShm) shmUnmap(delete bool) {
-	if s.vfsShmFile == nil {
+	if s.vfsShmParent == nil {
 		return
 	}
 

vendor/github.com/ncruces/go-sqlite3/vfs/shm_copy.go

@@ -31,7 +31,10 @@
 //
 // https://sqlite.org/walformat.html#the_wal_index_file_format
 
-func (s *vfsShm) shmAcquire() {
+func (s *vfsShm) shmAcquire(ptr *_ErrorCode) {
+	if ptr != nil && *ptr != _OK {
+		return
+	}
 	if len(s.ptrs) == 0 || shmUnmodified(s.shadow[0][:], s.shared[0][:]) {
 		return
 	}
@@ -69,7 +72,7 @@ func (s *vfsShm) shmRelease() {
 
 func (s *vfsShm) shmBarrier() {
 	s.Lock()
-	s.shmAcquire()
+	s.shmAcquire(nil)
 	s.shmRelease()
 	s.Unlock()
 }

vendor/github.com/ncruces/go-sqlite3/vfs/shm_dotlk.go

@@ -13,22 +13,22 @@
 	"github.com/tetratelabs/wazero/api"
 )
 
-type vfsShmBuffer struct {
+type vfsShmParent struct {
 	shared [][_WALINDEX_PGSZ]byte
-	refs   int // +checklocks:vfsShmBuffersMtx
+	refs   int // +checklocks:vfsShmListMtx
 
 	lock [_SHM_NLOCK]int16 // +checklocks:Mutex
 	sync.Mutex
 }
 
 var (
-	// +checklocks:vfsShmBuffersMtx
+	// +checklocks:vfsShmListMtx
-	vfsShmBuffers    = map[string]*vfsShmBuffer{}
+	vfsShmList    = map[string]*vfsShmParent{}
-	vfsShmBuffersMtx sync.Mutex
+	vfsShmListMtx sync.Mutex
 )
 
 type vfsShm struct {
-	*vfsShmBuffer
+	*vfsShmParent
 	mod    api.Module
 	alloc  api.Function
 	free   api.Function
@@ -40,20 +40,20 @@ type vfsShm struct {
 }
 
 func (s *vfsShm) Close() error {
-	if s.vfsShmBuffer == nil {
+	if s.vfsShmParent == nil {
 		return nil
 	}
 
-	vfsShmBuffersMtx.Lock()
+	vfsShmListMtx.Lock()
-	defer vfsShmBuffersMtx.Unlock()
+	defer vfsShmListMtx.Unlock()
 
 	// Unlock everything.
 	s.shmLock(0, _SHM_NLOCK, _SHM_UNLOCK)
 
 	// Decrease reference count.
-	if s.vfsShmBuffer.refs > 0 {
+	if s.vfsShmParent.refs > 0 {
-		s.vfsShmBuffer.refs--
+		s.vfsShmParent.refs--
-		s.vfsShmBuffer = nil
+		s.vfsShmParent = nil
 		return nil
 	}
 
@@ -61,22 +61,22 @@ func (s *vfsShm) Close() error {
 	if err != nil && !errors.Is(err, fs.ErrNotExist) {
 		return _IOERR_UNLOCK
 	}
-	delete(vfsShmBuffers, s.path)
+	delete(vfsShmList, s.path)
-	s.vfsShmBuffer = nil
+	s.vfsShmParent = nil
 	return nil
 }
 
 func (s *vfsShm) shmOpen() _ErrorCode {
-	if s.vfsShmBuffer != nil {
+	if s.vfsShmParent != nil {
 		return _OK
 	}
 
-	vfsShmBuffersMtx.Lock()
+	vfsShmListMtx.Lock()
-	defer vfsShmBuffersMtx.Unlock()
+	defer vfsShmListMtx.Unlock()
 
 	// Find a shared buffer, increase the reference count.
-	if g, ok := vfsShmBuffers[s.path]; ok {
+	if g, ok := vfsShmList[s.path]; ok {
-		s.vfsShmBuffer = g
+		s.vfsShmParent = g
 		g.refs++
 		return _OK
 	}
@@ -92,8 +92,8 @@ func (s *vfsShm) shmOpen() _ErrorCode {
 	}
 
 	// Add the new shared buffer.
-	s.vfsShmBuffer = &vfsShmBuffer{}
+	s.vfsShmParent = &vfsShmParent{}
-	vfsShmBuffers[s.path] = s.vfsShmBuffer
+	vfsShmList[s.path] = s.vfsShmParent
 	return _OK
 }
 
@@ -112,7 +112,7 @@ func (s *vfsShm) shmMap(ctx context.Context, mod api.Module, id, size int32, ext
 
 	s.Lock()
 	defer s.Unlock()
-	defer s.shmAcquire()
+	defer s.shmAcquire(nil)
 
 	// Extend shared memory.
 	if int(id) >= len(s.shared) {
@@ -125,7 +125,6 @@ func (s *vfsShm) shmMap(ctx context.Context, mod api.Module, id, size int32, ext
 	// Allocate shadow memory.
 	if int(id) >= len(s.shadow) {
 		s.shadow = append(s.shadow, make([][_WALINDEX_PGSZ]byte, int(id)-len(s.shadow)+1)...)
-		s.shadow[0][4] = 1 // force invalidation
 	}
 
 	// Allocate local memory.
@@ -141,70 +140,26 @@ func (s *vfsShm) shmMap(ctx context.Context, mod api.Module, id, size int32, ext
 		s.ptrs = append(s.ptrs, uint32(s.stack[0]))
 	}
 
+	s.shadow[0][4] = 1
 	return s.ptrs[id], _OK
 }
 
-func (s *vfsShm) shmLock(offset, n int32, flags _ShmFlag) _ErrorCode {
+func (s *vfsShm) shmLock(offset, n int32, flags _ShmFlag) (rc _ErrorCode) {
 	s.Lock()
 	defer s.Unlock()
 
 	switch {
 	case flags&_SHM_LOCK != 0:
-		defer s.shmAcquire()
+		defer s.shmAcquire(&rc)
 	case flags&_SHM_EXCLUSIVE != 0:
 		s.shmRelease()
 	}
 
-	switch {
+	return s.shmMemLock(offset, n, flags)
-	case flags&_SHM_UNLOCK != 0:
-		for i := offset; i < offset+n; i++ {
-			if s.lock[i] {
-				if s.vfsShmBuffer.lock[i] == 0 {
-					panic(util.AssertErr())
-				}
-				if s.vfsShmBuffer.lock[i] <= 0 {
-					s.vfsShmBuffer.lock[i] = 0
-				} else {
-					s.vfsShmBuffer.lock[i]--
-				}
-				s.lock[i] = false
-			}
-		}
-	case flags&_SHM_SHARED != 0:
-		for i := offset; i < offset+n; i++ {
-			if s.lock[i] {
-				panic(util.AssertErr())
-			}
-			if s.vfsShmBuffer.lock[i]+1 <= 0 {
-				return _BUSY
-			}
-		}
-		for i := offset; i < offset+n; i++ {
-			s.vfsShmBuffer.lock[i]++
-			s.lock[i] = true
-		}
-	case flags&_SHM_EXCLUSIVE != 0:
-		for i := offset; i < offset+n; i++ {
-			if s.lock[i] {
-				panic(util.AssertErr())
-			}
-			if s.vfsShmBuffer.lock[i] != 0 {
-				return _BUSY
-			}
-		}
-		for i := offset; i < offset+n; i++ {
-			s.vfsShmBuffer.lock[i] = -1
-			s.lock[i] = true
-		}
-	default:
-		panic(util.AssertErr())
-	}
-
-	return _OK
 }
 
 func (s *vfsShm) shmUnmap(delete bool) {
-	if s.vfsShmBuffer == nil {
+	if s.vfsShmParent == nil {
 		return
 	}
 	defer s.Close()

vendor/github.com/ncruces/go-sqlite3/vfs/shm_memlk.go

@@ -0,0 +1,55 @@
+//go:build ((freebsd || openbsd || netbsd || dragonfly || illumos) && (386 || arm || amd64 || arm64 || riscv64 || ppc64le) && !sqlite3_nosys) || sqlite3_flock || sqlite3_dotlk
+
+package vfs
+
+import "github.com/ncruces/go-sqlite3/internal/util"
+
+// +checklocks:s.Mutex
+func (s *vfsShm) shmMemLock(offset, n int32, flags _ShmFlag) _ErrorCode {
+	switch {
+	case flags&_SHM_UNLOCK != 0:
+		for i := offset; i < offset+n; i++ {
+			if s.lock[i] {
+				if s.vfsShmParent.lock[i] == 0 {
+					panic(util.AssertErr())
+				}
+				if s.vfsShmParent.lock[i] <= 0 {
+					s.vfsShmParent.lock[i] = 0
+				} else {
+					s.vfsShmParent.lock[i]--
+				}
+				s.lock[i] = false
+			}
+		}
+	case flags&_SHM_SHARED != 0:
+		for i := offset; i < offset+n; i++ {
+			if s.lock[i] {
+				panic(util.AssertErr())
+			}
+			if s.vfsShmParent.lock[i]+1 <= 0 {
+				return _BUSY
+			}
+		}
+		for i := offset; i < offset+n; i++ {
+			s.vfsShmParent.lock[i]++
+			s.lock[i] = true
+		}
+	case flags&_SHM_EXCLUSIVE != 0:
+		for i := offset; i < offset+n; i++ {
+			if s.lock[i] {
+				panic(util.AssertErr())
+			}
+			if s.vfsShmParent.lock[i] != 0 {
+				return _BUSY
+			}
+		}
+		for i := offset; i < offset+n; i++ {
+			s.vfsShmParent.lock[i] = -1
+			s.lock[i] = true
+		}
+	default:
+		panic(util.AssertErr())
+	}
+
+	return _OK
+}

vendor/github.com/ncruces/go-sqlite3/vfs/shm_windows.go

@@ -64,7 +64,7 @@ func (s *vfsShm) shmOpen() _ErrorCode {
 	return osReadLock(s.File, _SHM_DMS, 1, time.Millisecond)
 }
 
-func (s *vfsShm) shmMap(ctx context.Context, mod api.Module, id, size int32, extend bool) (uint32, _ErrorCode) {
+func (s *vfsShm) shmMap(ctx context.Context, mod api.Module, id, size int32, extend bool) (_ uint32, rc _ErrorCode) {
 	// Ensure size is a multiple of the OS page size.
 	if size != _WALINDEX_PGSZ || (windows.Getpagesize()-1)&_WALINDEX_PGSZ != 0 {
 		return 0, _IOERR_SHMMAP
@@ -78,7 +78,7 @@ func (s *vfsShm) shmMap(ctx context.Context, mod api.Module, id, size int32, ext
 		return 0, rc
 	}
 
-	defer s.shmAcquire()
+	defer s.shmAcquire(&rc)
 
 	// Check if file is big enough.
 	o, err := s.Seek(0, io.SeekEnd)
@@ -107,7 +107,6 @@ func (s *vfsShm) shmMap(ctx context.Context, mod api.Module, id, size int32, ext
 	// Allocate shadow memory.
 	if int(id) >= len(s.shadow) {
 		s.shadow = append(s.shadow, make([][_WALINDEX_PGSZ]byte, int(id)-len(s.shadow)+1)...)
-		s.shadow[0][4] = 1 // force invalidation
 	}
 
 	// Allocate local memory.
@@ -123,22 +122,23 @@ func (s *vfsShm) shmMap(ctx context.Context, mod api.Module, id, size int32, ext
 		s.ptrs = append(s.ptrs, uint32(s.stack[0]))
 	}
 
+	s.shadow[0][4] = 1
 	return s.ptrs[id], _OK
 }
 
-func (s *vfsShm) shmLock(offset, n int32, flags _ShmFlag) _ErrorCode {
+func (s *vfsShm) shmLock(offset, n int32, flags _ShmFlag) (rc _ErrorCode) {
-	switch {
-	case flags&_SHM_LOCK != 0:
-		defer s.shmAcquire()
-	case flags&_SHM_EXCLUSIVE != 0:
-		s.shmRelease()
-	}
-
 	var timeout time.Duration
 	if s.blocking {
 		timeout = time.Millisecond
 	}
 
+	switch {
+	case flags&_SHM_LOCK != 0:
+		defer s.shmAcquire(&rc)
+	case flags&_SHM_EXCLUSIVE != 0:
+		s.shmRelease()
+	}
+
 	switch {
 	case flags&_SHM_UNLOCK != 0:
 		return osUnlock(s.File, _SHM_BASE+uint32(offset), uint32(n))

vendor/github.com/tetratelabs/wazero/README.md

@@ -96,14 +96,21 @@ systems are ones we test, but that doesn't necessarily mean other operating
 system versions won't work.
 
 We currently test Linux (Ubuntu and scratch), MacOS and Windows as packaged by
-[GitHub Actions][11], as well compilation of 32-bit Linux and 64-bit FreeBSD.
+[GitHub Actions][11], as well as nested VMs running on Linux for FreeBSD, NetBSD,
+OpenBSD, DragonFly BSD, illumos and Solaris.
+
+We also test cross compilation for many `GOOS` and `GOARCH` combinations.
 
 * Interpreter
   * Linux is tested on amd64 (native) as well arm64 and riscv64 via emulation.
-  * MacOS and Windows are only tested on amd64.
+  * Windows, FreeBSD, NetBSD, OpenBSD, DragonFly BSD, illumos and Solaris are
+    tested only on amd64.
+  * macOS is tested only on arm64.
 * Compiler
   * Linux is tested on amd64 (native) as well arm64 via emulation.
-  * MacOS and Windows are only tested on amd64.
+  * Windows, FreeBSD, NetBSD, DragonFly BSD, illumos and Solaris are
+    tested only on amd64.
+  * macOS is tested only on arm64.
 
 wazero has no dependencies and doesn't require CGO. This means it can also be
 embedded in an application that doesn't use an operating system. This is a main

vendor/github.com/tetratelabs/wazero/config_supported.go

@@ -5,10 +5,15 @@
 //
 // Meanwhile, users who know their runtime.GOOS can operate with the compiler
 // may choose to use NewRuntimeConfigCompiler explicitly.
-//go:build (amd64 || arm64) && (darwin || linux || freebsd || windows)
+//go:build (amd64 || arm64) && (linux || darwin || freebsd || netbsd || dragonfly || solaris || windows)
 
 package wazero
 
+import "github.com/tetratelabs/wazero/internal/platform"
+
 func newRuntimeConfig() RuntimeConfig {
+	if platform.CompilerSupported() {
 		return NewRuntimeConfigCompiler()
 	}
+	return NewRuntimeConfigInterpreter()
+}

vendor/github.com/tetratelabs/wazero/config_unsupported.go

@@ -1,5 +1,5 @@
 // This is the opposite constraint of config_supported.go
-//go:build !(amd64 || arm64) || !(darwin || linux || freebsd || windows)
+//go:build !(amd64 || arm64) || !(linux || darwin || freebsd || netbsd || dragonfly || solaris || windows)
 
 package wazero
 

vendor/github.com/tetratelabs/wazero/experimental/memory.go

@@ -43,7 +43,7 @@ type LinearMemory interface {
 }
 
 // WithMemoryAllocator registers the given MemoryAllocator into the given
-// context.Context.
+// context.Context. The context must be passed when initializing a module.
 func WithMemoryAllocator(ctx context.Context, allocator MemoryAllocator) context.Context {
 	if allocator != nil {
 		return context.WithValue(ctx, expctxkeys.MemoryAllocatorKey{}, allocator)

vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/backend/isa/amd64/machine.go

@@ -2196,7 +2196,7 @@ func (m *machine) Encode(ctx context.Context) (err error) {
 }
 
 // ResolveRelocations implements backend.Machine.
-func (m *machine) ResolveRelocations(refToBinaryOffset []int, binary []byte, relocations []backend.RelocationInfo, _ []int) {
+func (m *machine) ResolveRelocations(refToBinaryOffset []int, _ int, binary []byte, relocations []backend.RelocationInfo, _ []int) {
 	for _, r := range relocations {
 		offset := r.Offset
 		calleeFnOffset := refToBinaryOffset[r.FuncRef]

vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/backend/isa/arm64/machine_relocation.go

@@ -21,7 +21,7 @@
 
 	// trampolineIslandInterval is the range of the trampoline island.
 	// Half of the range is used for the trampoline island, and the other half is used for the function.
-	trampolineIslandInterval = maxUnconditionalBranchOffset / 2
+	trampolineIslandInterval = (maxUnconditionalBranchOffset - 1) / 2
 
 	// maxNumFunctions explicitly specifies the maximum number of functions that can be allowed in a single executable.
 	maxNumFunctions = trampolineIslandInterval >> 6
@@ -42,12 +42,13 @@ func (m *machine) CallTrampolineIslandInfo(numFunctions int) (interval, size int
 // ResolveRelocations implements backend.Machine ResolveRelocations.
 func (m *machine) ResolveRelocations(
 	refToBinaryOffset []int,
+	importedFns int,
 	executable []byte,
 	relocations []backend.RelocationInfo,
 	callTrampolineIslandOffsets []int,
 ) {
 	for _, islandOffset := range callTrampolineIslandOffsets {
-		encodeCallTrampolineIsland(refToBinaryOffset, islandOffset, executable)
+		encodeCallTrampolineIsland(refToBinaryOffset, importedFns, islandOffset, executable)
 	}
 
 	for _, r := range relocations {
@@ -71,11 +72,15 @@ func (m *machine) ResolveRelocations(
 // encodeCallTrampolineIsland encodes a trampoline island for the given functions.
 // Each island consists of a trampoline instruction sequence for each function.
 // Each trampoline instruction sequence consists of 4 instructions + 32-bit immediate.
-func encodeCallTrampolineIsland(refToBinaryOffset []int, islandOffset int, executable []byte) {
+func encodeCallTrampolineIsland(refToBinaryOffset []int, importedFns int, islandOffset int, executable []byte) {
-	for i := 0; i < len(refToBinaryOffset); i++ {
+	// We skip the imported functions: they don't need trampolines
+	// and are not accounted for.
+	binaryOffsets := refToBinaryOffset[importedFns:]
+
+	for i := 0; i < len(binaryOffsets); i++ {
 		trampolineOffset := islandOffset + trampolineCallSize*i
 
-		fnOffset := refToBinaryOffset[i]
+		fnOffset := binaryOffsets[i]
 		diff := fnOffset - (trampolineOffset + 16)
 		if diff > math.MaxInt32 || diff < math.MinInt32 {
 			// This case even amd64 can't handle. 4GB is too big.

vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/backend/machine.go

@@ -77,11 +77,13 @@
 
 		// ResolveRelocations resolves the relocations after emitting machine code.
 		//  * refToBinaryOffset: the map from the function reference (ssa.FuncRef) to the executable offset.
+		//  * importedFns: the max index of the imported functions at the beginning of refToBinaryOffset
 		//  * executable: the binary to resolve the relocations.
 		//  * relocations: the relocations to resolve.
 		//  * callTrampolineIslandOffsets: the offsets of the trampoline islands in the executable.
 		ResolveRelocations(
 			refToBinaryOffset []int,
+			importedFns int,
 			executable []byte,
 			relocations []RelocationInfo,
 			callTrampolineIslandOffsets []int,

vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/engine.go

@@ -314,7 +314,7 @@ func (e *engine) compileModule(ctx context.Context, module *wasm.Module, listene
 
 	// Resolve relocations for local function calls.
 	if len(rels) > 0 {
-		machine.ResolveRelocations(refToBinaryOffset, executable, rels, callTrampolineIslandOffsets)
+		machine.ResolveRelocations(refToBinaryOffset, importedFns, executable, rels, callTrampolineIslandOffsets)
 	}
 
 	if runtime.GOARCH == "arm64" {

vendor/github.com/tetratelabs/wazero/internal/platform/cpuid.go

@@ -28,3 +28,8 @@ type CpuFeatureFlags interface {
 	CpuExtraFeatureAmd64ABM CpuFeature = 1 << 5
 	// Note: when adding new features, ensure that the feature is included in CpuFeatureFlags.Raw.
 )
+
+const (
+	// CpuFeatureArm64Atomic is the flag to query CpuFeatureFlags.Has for Large System Extensions capabilities on arm64
+	CpuFeatureArm64Atomic CpuFeature = 1 << 21
+)

vendor/github.com/tetratelabs/wazero/internal/platform/cpuid_amd64.go

@@ -1,4 +1,4 @@
-//go:build amd64 && !tinygo
+//go:build gc
 
 package platform
 
@@ -12,7 +12,7 @@ type cpuFeatureFlags struct {
 }
 
 // cpuid exposes the CPUID instruction to the Go layer (https://www.amd.com/system/files/TechDocs/25481.pdf)
-// implemented in impl_amd64.s
+// implemented in cpuid_amd64.s
 func cpuid(arg1, arg2 uint32) (eax, ebx, ecx, edx uint32)
 
 // cpuidAsBitmap combines the result of invoking cpuid to uint64 bitmap.
@@ -60,8 +60,9 @@ func (f *cpuFeatureFlags) HasExtra(cpuFeature CpuFeature) bool {
 
 // Raw implements the same method on the CpuFeatureFlags interface.
 func (f *cpuFeatureFlags) Raw() uint64 {
-	// Below, we only set the first 4 bits for the features we care about,
+	// Below, we only set bits for the features we care about,
-	// instead of setting all the unnecessary bits obtained from the CPUID instruction.
+	// instead of setting all the unnecessary bits obtained from the
+	// CPUID instruction.
 	var ret uint64
 	if f.Has(CpuFeatureAmd64SSE3) {
 		ret = 1 << 0

vendor/github.com/tetratelabs/wazero/internal/platform/cpuid_amd64.s

@@ -1,6 +1,9 @@
+//go:build gc
+
 #include "textflag.h"
 
 // lifted from github.com/intel-go/cpuid and src/internal/cpu/cpu_x86.s
+
 // func cpuid(arg1, arg2 uint32) (eax, ebx, ecx, edx uint32)
 TEXT ·cpuid(SB), NOSPLIT, $0-24
 	MOVL arg1+0(FP), AX
@@ -11,4 +14,3 @@ TEXT ·cpuid(SB), NOSPLIT, $0-24
 	MOVL CX, ecx+16(FP)
 	MOVL DX, edx+20(FP)
 	RET
-

vendor/github.com/tetratelabs/wazero/internal/platform/cpuid_arm64.go

@@ -0,0 +1,71 @@
+//go:build gc
+
+package platform
+
+import "runtime"
+
+// CpuFeatures exposes the capabilities for this CPU, queried via the Has, HasExtra methods.
+var CpuFeatures = loadCpuFeatureFlags()
+
+// cpuFeatureFlags implements CpuFeatureFlags interface.
+type cpuFeatureFlags struct {
+	isar0 uint64
+	isar1 uint64
+}
+
+// implemented in cpuid_arm64.s
+func getisar0() uint64
+
+// implemented in cpuid_arm64.s
+func getisar1() uint64
+
+func loadCpuFeatureFlags() CpuFeatureFlags {
+	switch runtime.GOOS {
+	case "darwin", "windows":
+		// These OSes do not allow userland to read the instruction set attribute registers,
+		// but basically require atomic instructions:
+		// - "darwin" is the desktop version (mobile version is "ios"),
+		//   and the M1 is a ARMv8.4.
+		// - "windows" requires them from Windows 11, see page 12
+		//   https://download.microsoft.com/download/7/8/8/788bf5ab-0751-4928-a22c-dffdc23c27f2/Minimum%20Hardware%20Requirements%20for%20Windows%2011.pdf
+		return &cpuFeatureFlags{
+			isar0: uint64(CpuFeatureArm64Atomic),
+			isar1: 0,
+		}
+	case "linux", "freebsd":
+		// These OSes allow userland to read the instruction set attribute registers,
+		// which is otherwise restricted to EL0:
+		// https://kernel.org/doc/Documentation/arm64/cpu-feature-registers.txt
+		// See these for contents of the registers:
+		// https://developer.arm.com/documentation/ddi0601/latest/AArch64-Registers/ID-AA64ISAR0-EL1--AArch64-Instruction-Set-Attribute-Register-0
+		// https://developer.arm.com/documentation/ddi0601/latest/AArch64-Registers/ID-AA64ISAR1-EL1--AArch64-Instruction-Set-Attribute-Register-1
+		return &cpuFeatureFlags{
+			isar0: getisar0(),
+			isar1: getisar1(),
+		}
+	default:
+		return &cpuFeatureFlags{}
+	}
+}
+
+// Has implements the same method on the CpuFeatureFlags interface.
+func (f *cpuFeatureFlags) Has(cpuFeature CpuFeature) bool {
+	return (f.isar0 & uint64(cpuFeature)) != 0
+}
+
+// HasExtra implements the same method on the CpuFeatureFlags interface.
+func (f *cpuFeatureFlags) HasExtra(cpuFeature CpuFeature) bool {
+	return (f.isar1 & uint64(cpuFeature)) != 0
+}
+
+// Raw implements the same method on the CpuFeatureFlags interface.
+func (f *cpuFeatureFlags) Raw() uint64 {
+	// Below, we only set bits for the features we care about,
+	// instead of setting all the unnecessary bits obtained from the
+	// instruction set attribute registers.
+	var ret uint64
+	if f.Has(CpuFeatureArm64Atomic) {
+		ret = 1 << 0
+	}
+	return ret
+}

vendor/github.com/tetratelabs/wazero/internal/platform/cpuid_arm64.s

@@ -0,0 +1,21 @@
+//go:build gc
+
+#include "textflag.h"
+
+// lifted from github.com/golang/sys and cpu/cpu_arm64.s
+
+// func getisar0() uint64
+TEXT ·getisar0(SB), NOSPLIT, $0-8
+	// get Instruction Set Attributes 0 into x0
+	// mrs x0, ID_AA64ISAR0_EL1 = d5380600
+	WORD $0xd5380600
+	MOVD R0, ret+0(FP)
+	RET
+
+// func getisar1() uint64
+TEXT ·getisar1(SB), NOSPLIT, $0-8
+	// get Instruction Set Attributes 1 into x0
+	// mrs x0, ID_AA64ISAR1_EL1 = d5380620
+	WORD $0xd5380620
+	MOVD R0, ret+0(FP)
+	RET

vendor/github.com/tetratelabs/wazero/internal/platform/cpuid_unsupported.go

@@ -1,4 +1,4 @@
-//go:build !amd64 || tinygo
+//go:build !(amd64 || arm64) || !gc
 
 package platform
 

vendor/github.com/tetratelabs/wazero/internal/platform/mmap_other.go

@@ -1,5 +1,5 @@
 // Separated from linux which has support for huge pages.
-//go:build darwin || freebsd
+//go:build darwin || freebsd || netbsd || dragonfly || solaris
 
 package platform
 

vendor/github.com/tetratelabs/wazero/internal/platform/mmap_unix.go

@@ -1,10 +1,9 @@
-//go:build (darwin || linux || freebsd) && !tinygo
+//go:build (linux || darwin || freebsd || netbsd || dragonfly || solaris) && !tinygo
 
 package platform
 
 import (
 	"syscall"
-	"unsafe"
 )
 
 const (
@@ -31,17 +30,3 @@ func mmapCodeSegmentARM64(size int) ([]byte, error) {
 	// The region must be RW: RW for writing native codes.
 	return mmapCodeSegment(size, mmapProtARM64)
 }
-
-// MprotectRX is like syscall.Mprotect with RX permission, defined locally so that freebsd compiles.
-func MprotectRX(b []byte) (err error) {
-	var _p0 unsafe.Pointer
-	if len(b) > 0 {
-		_p0 = unsafe.Pointer(&b[0])
-	}
-	const prot = syscall.PROT_READ | syscall.PROT_EXEC
-	_, _, e1 := syscall.Syscall(syscall.SYS_MPROTECT, uintptr(_p0), uintptr(len(b)), uintptr(prot))
-	if e1 != 0 {
-		err = syscall.Errno(e1)
-	}
-	return
-}

vendor/github.com/tetratelabs/wazero/internal/platform/mmap_unsupported.go

@@ -1,4 +1,4 @@
-//go:build !(darwin || linux || freebsd || windows) || tinygo
+//go:build !(linux || darwin || freebsd || netbsd || dragonfly || solaris || windows) || tinygo
 
 package platform
 

vendor/github.com/tetratelabs/wazero/internal/platform/mprotect_bsd.go

@@ -0,0 +1,22 @@
+//go:build (freebsd || netbsd || dragonfly) && !tinygo
+
+package platform
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+// MprotectRX is like syscall.Mprotect with RX permission, defined locally so that BSD compiles.
+func MprotectRX(b []byte) (err error) {
+	var _p0 unsafe.Pointer
+	if len(b) > 0 {
+		_p0 = unsafe.Pointer(&b[0])
+	}
+	const prot = syscall.PROT_READ | syscall.PROT_EXEC
+	_, _, e1 := syscall.Syscall(syscall.SYS_MPROTECT, uintptr(_p0), uintptr(len(b)), uintptr(prot))
+	if e1 != 0 {
+		err = syscall.Errno(e1)
+	}
+	return
+}

vendor/github.com/tetratelabs/wazero/internal/platform/mprotect_syscall.go

@@ -0,0 +1,10 @@
+//go:build (linux || darwin) && !tinygo
+
+package platform
+
+import "syscall"
+
+// MprotectRX is like syscall.Mprotect with RX permission.
+func MprotectRX(b []byte) (err error) {
+	return syscall.Mprotect(b, syscall.PROT_READ|syscall.PROT_EXEC)
+}

vendor/github.com/tetratelabs/wazero/internal/platform/mprotect_unsupported.go

@@ -0,0 +1,9 @@
+//go:build solaris && !tinygo
+
+package platform
+
+import "syscall"
+
+func MprotectRX(b []byte) error {
+	return syscall.ENOTSUP
+}

vendor/github.com/tetratelabs/wazero/internal/platform/platform.go

@@ -11,15 +11,16 @@
 // archRequirementsVerified is set by platform-specific init to true if the platform is supported
 var archRequirementsVerified bool
 
-// CompilerSupported is exported for tests and includes constraints here and also the assembler.
+// CompilerSupported includes constraints here and also the assembler.
 func CompilerSupported() bool {
 	switch runtime.GOOS {
-	case "darwin", "windows", "linux", "freebsd":
+	case "linux", "darwin", "freebsd", "netbsd", "dragonfly", "windows":
+		return archRequirementsVerified
+	case "solaris", "illumos":
+		return runtime.GOARCH == "amd64" && archRequirementsVerified
 	default:
 		return false
 	}
-
-	return archRequirementsVerified
 }
 
 // MmapCodeSegment copies the code into the executable region and returns the byte slice of the region.

vendor/github.com/tetratelabs/wazero/internal/platform/platform_arm64.go

@@ -2,6 +2,6 @@
 
 // init verifies that the current CPU supports the required ARM64 features
 func init() {
-	// No further checks currently needed.
+	// Ensure atomic instructions are supported.
-	archRequirementsVerified = true
+	archRequirementsVerified = CpuFeatures.Has(CpuFeatureArm64Atomic)
 }

vendor/modules.txt

@@ -520,7 +520,7 @@ github.com/modern-go/reflect2
 # github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822
 ## explicit
 github.com/munnerz/goautoneg
-# github.com/ncruces/go-sqlite3 v0.20.2
+# github.com/ncruces/go-sqlite3 v0.20.3
 ## explicit; go 1.21
 github.com/ncruces/go-sqlite3
 github.com/ncruces/go-sqlite3/driver
@@ -852,7 +852,7 @@ github.com/tdewolff/parse/v2/strconv
 # github.com/technologize/otel-go-contrib v1.1.1
 ## explicit; go 1.17
 github.com/technologize/otel-go-contrib/otelginmetrics
-# github.com/tetratelabs/wazero v1.8.1
+# github.com/tetratelabs/wazero v1.8.2
 ## explicit; go 1.21
 github.com/tetratelabs/wazero
 github.com/tetratelabs/wazero/api