summaryrefslogtreecommitdiff
path: root/vendor/github.com/bytedance/sonic/internal/loader/loader_windows.go
diff options
context:
space:
mode:
authorLibravatar dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>2023-11-27 13:15:03 +0000
committerLibravatar GitHub <noreply@github.com>2023-11-27 13:15:03 +0000
commit66b77acb1c8b86f0be3836ccaf31683c0bfa317a (patch)
tree9a255a8ea8ef97229b6d75d17de45bdac1755be9 /vendor/github.com/bytedance/sonic/internal/loader/loader_windows.go
parent[bugfix] Add Actor to outgoing poll vote Create; other fixes (#2384) (diff)
downloadgotosocial-66b77acb1c8b86f0be3836ccaf31683c0bfa317a.tar.xz
[chore]: Bump github.com/gin-contrib/cors from 1.4.0 to 1.5.0 (#2388)
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Diffstat (limited to 'vendor/github.com/bytedance/sonic/internal/loader/loader_windows.go')
-rw-r--r--vendor/github.com/bytedance/sonic/internal/loader/loader_windows.go111
1 files changed, 0 insertions, 111 deletions
diff --git a/vendor/github.com/bytedance/sonic/internal/loader/loader_windows.go b/vendor/github.com/bytedance/sonic/internal/loader/loader_windows.go
deleted file mode 100644
index 4053ee9bb..000000000
--- a/vendor/github.com/bytedance/sonic/internal/loader/loader_windows.go
+++ /dev/null
@@ -1,111 +0,0 @@
-//go:build windows
-// +build windows
-
-/*
- * Copyright 2021 ByteDance Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package loader
-
-import (
- `fmt`
- `os`
- `reflect`
- `syscall`
- `unsafe`
-)
-
-const (
- MEM_COMMIT = 0x00001000
- MEM_RESERVE = 0x00002000
-)
-
-var (
- libKernel32 = syscall.NewLazyDLL("KERNEL32.DLL")
- libKernel32_VirtualAlloc = libKernel32.NewProc("VirtualAlloc")
- libKernel32_VirtualProtect = libKernel32.NewProc("VirtualProtect")
-)
-
-type Loader []byte
-type Function unsafe.Pointer
-
-func (self Loader) Load(fn string, fp int, args int, argPtrs []bool, localPtrs []bool) (f Function) {
- p := os.Getpagesize()
- n := (((len(self) - 1) / p) + 1) * p
-
- /* register the function */
- m := mmap(n)
- v := fmt.Sprintf("runtime.__%s_%x", fn, m)
-
- registerFunction(v, m, uintptr(n), fp, args, uintptr(len(self)), argPtrs, localPtrs)
-
- /* reference as a slice */
- s := *(*[]byte)(unsafe.Pointer(&reflect.SliceHeader {
- Data : m,
- Cap : n,
- Len : len(self),
- }))
-
- /* copy the machine code, and make it executable */
- copy(s, self)
- mprotect(m, n)
- return Function(&m)
-}
-
-func mmap(nb int) uintptr {
- addr, err := winapi_VirtualAlloc(0, nb, MEM_COMMIT|MEM_RESERVE, syscall.PAGE_READWRITE)
- if err != nil {
- panic(err)
- }
- return addr
-}
-
-func mprotect(p uintptr, nb int) (oldProtect int) {
- err := winapi_VirtualProtect(p, nb, syscall.PAGE_EXECUTE_READ, &oldProtect)
- if err != nil {
- panic(err)
- }
- return
-}
-
-// winapi_VirtualAlloc allocate memory
-// Doc: https://docs.microsoft.com/en-us/windows/win32/api/memoryapi/nf-memoryapi-virtualalloc
-func winapi_VirtualAlloc(lpAddr uintptr, dwSize int, flAllocationType int, flProtect int) (uintptr, error) {
- r1, _, err := libKernel32_VirtualAlloc.Call(
- lpAddr,
- uintptr(dwSize),
- uintptr(flAllocationType),
- uintptr(flProtect),
- )
- if r1 == 0 {
- return 0, err
- }
- return r1, nil
-}
-
-// winapi_VirtualProtect change memory protection
-// Doc: https://docs.microsoft.com/en-us/windows/win32/api/memoryapi/nf-memoryapi-virtualprotect
-func winapi_VirtualProtect(lpAddr uintptr, dwSize int, flNewProtect int, lpflOldProtect *int) error {
- r1, _, err := libKernel32_VirtualProtect.Call(
- lpAddr,
- uintptr(dwSize),
- uintptr(flNewProtect),
- uintptr(unsafe.Pointer(lpflOldProtect)),
- )
- if r1 == 0 {
- return err
- }
- return nil
-}