1 files changed, 0 insertions, 95 deletions
diff --git a/vendor/github.com/tetratelabs/wazero/internal/platform/mmap_windows.go b/vendor/github.com/tetratelabs/wazero/internal/platform/mmap_windows.go
deleted file mode 100644
index 03a254d4a..000000000
--- a/vendor/github.com/tetratelabs/wazero/internal/platform/mmap_windows.go
+++ /dev/null
@@ -1,95 +0,0 @@
-package platform
-
-import (
-	"fmt"
-	"syscall"
-	"unsafe"
-)
-
-var (
-	kernel32           = syscall.NewLazyDLL("kernel32.dll")
-	procVirtualAlloc   = kernel32.NewProc("VirtualAlloc")
-	procVirtualProtect = kernel32.NewProc("VirtualProtect")
-	procVirtualFree    = kernel32.NewProc("VirtualFree")
-)
-
-const (
-	windows_MEM_COMMIT             uintptr = 0x00001000
-	windows_MEM_RELEASE            uintptr = 0x00008000
-	windows_PAGE_READWRITE         uintptr = 0x00000004
-	windows_PAGE_EXECUTE_READ      uintptr = 0x00000020
-	windows_PAGE_EXECUTE_READWRITE uintptr = 0x00000040
-)
-
-func munmapCodeSegment(code []byte) error {
-	return freeMemory(code)
-}
-
-// allocateMemory commits the memory region via the "VirtualAlloc" function.
-// See https://docs.microsoft.com/en-us/windows/win32/api/memoryapi/nf-memoryapi-virtualalloc
-func allocateMemory(size uintptr, protect uintptr) (uintptr, error) {
-	address := uintptr(0) // system determines where to allocate the region.
-	alloctype := windows_MEM_COMMIT
-	if r, _, err := procVirtualAlloc.Call(address, size, alloctype, protect); r == 0 {
-		return 0, fmt.Errorf("compiler: VirtualAlloc error: %w", ensureErr(err))
-	} else {
-		return r, nil
-	}
-}
-
-// freeMemory releases the memory region via the "VirtualFree" function.
-// See https://docs.microsoft.com/en-us/windows/win32/api/memoryapi/nf-memoryapi-virtualfree
-func freeMemory(code []byte) error {
-	address := unsafe.Pointer(&code[0])
-	size := uintptr(0) // size must be 0 because we're using MEM_RELEASE.
-	freetype := windows_MEM_RELEASE
-	if r, _, err := procVirtualFree.Call(uintptr(address), size, freetype); r == 0 {
-		return fmt.Errorf("compiler: VirtualFree error: %w", ensureErr(err))
-	}
-	return nil
-}
-
-func virtualProtect(address, size, newprotect uintptr, oldprotect *uint32) error {
-	if r, _, err := procVirtualProtect.Call(address, size, newprotect, uintptr(unsafe.Pointer(oldprotect))); r == 0 {
-		return fmt.Errorf("compiler: VirtualProtect error: %w", ensureErr(err))
-	}
-	return nil
-}
-
-func mmapCodeSegmentAMD64(size int) ([]byte, error) {
-	p, err := allocateMemory(uintptr(size), windows_PAGE_EXECUTE_READWRITE)
-	if err != nil {
-		return nil, err
-	}
-
-	return unsafe.Slice((*byte)(unsafe.Pointer(p)), size), nil
-}
-
-func mmapCodeSegmentARM64(size int) ([]byte, error) {
-	p, err := allocateMemory(uintptr(size), windows_PAGE_READWRITE)
-	if err != nil {
-		return nil, err
-	}
-
-	return unsafe.Slice((*byte)(unsafe.Pointer(p)), size), nil
-}
-
-var old = uint32(windows_PAGE_READWRITE)
-
-func MprotectRX(b []byte) (err error) {
-	err = virtualProtect(uintptr(unsafe.Pointer(&b[0])), uintptr(len(b)), windows_PAGE_EXECUTE_READ, &old)
-	return
-}
-
-// ensureErr returns syscall.EINVAL when the input error is nil.
-//
-// We are supposed to use "GetLastError" which is more precise, but it is not safe to execute in goroutines. While
-// "GetLastError" is thread-local, goroutines are not pinned to threads.
-//
-// See https://docs.microsoft.com/en-us/windows/win32/api/errhandlingapi/nf-errhandlingapi-getlasterror
-func ensureErr(err error) error {
-	if err != nil {
-		return err
-	}
-	return syscall.EINVAL
-}