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Diffstat (limited to 'vendor/github.com/bytedance/sonic/internal/jit/backend.go')
-rw-r--r--vendor/github.com/bytedance/sonic/internal/jit/backend.go120
1 files changed, 0 insertions, 120 deletions
diff --git a/vendor/github.com/bytedance/sonic/internal/jit/backend.go b/vendor/github.com/bytedance/sonic/internal/jit/backend.go
deleted file mode 100644
index 75e180415..000000000
--- a/vendor/github.com/bytedance/sonic/internal/jit/backend.go
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * 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 jit
-
-import (
- `fmt`
- `sync`
- _ `unsafe`
-
- `github.com/twitchyliquid64/golang-asm/asm/arch`
- `github.com/twitchyliquid64/golang-asm/obj`
- `github.com/twitchyliquid64/golang-asm/objabi`
-)
-
-type Backend struct {
- Ctxt *obj.Link
- Arch *arch.Arch
- Head *obj.Prog
- Tail *obj.Prog
- Prog []*obj.Prog
-}
-
-var (
- _progPool sync.Pool
-)
-
-//go:nosplit
-//go:linkname throw runtime.throw
-func throw(_ string)
-
-func newProg() *obj.Prog {
- if val := _progPool.Get(); val == nil {
- return new(obj.Prog)
- } else {
- return remProg(val.(*obj.Prog))
- }
-}
-
-func remProg(p *obj.Prog) *obj.Prog {
- *p = obj.Prog{}
- return p
-}
-
-func newBackend(name string) (ret *Backend) {
- ret = new(Backend)
- ret.Arch = arch.Set(name)
- ret.Ctxt = newLinkContext(ret.Arch.LinkArch)
- ret.Arch.Init(ret.Ctxt)
- return
-}
-
-func newLinkContext(arch *obj.LinkArch) (ret *obj.Link) {
- ret = obj.Linknew(arch)
- ret.Headtype = objabi.Hlinux
- ret.DiagFunc = diagLinkContext
- return
-}
-
-func diagLinkContext(str string, args ...interface{}) {
- throw(fmt.Sprintf(str, args...))
-}
-
-func (self *Backend) New() (ret *obj.Prog) {
- ret = newProg()
- ret.Ctxt = self.Ctxt
- self.Prog = append(self.Prog, ret)
- return
-}
-
-func (self *Backend) Append(p *obj.Prog) {
- if self.Head == nil {
- self.Head = p
- self.Tail = p
- } else {
- self.Tail.Link = p
- self.Tail = p
- }
-}
-
-func (self *Backend) Release() {
- self.Arch = nil
- self.Ctxt = nil
-
- /* return all the progs into pool */
- for _, p := range self.Prog {
- _progPool.Put(p)
- }
-
- /* clear all the references */
- self.Head = nil
- self.Tail = nil
- self.Prog = nil
-}
-
-func (self *Backend) Assemble() []byte {
- var sym obj.LSym
- var fnv obj.FuncInfo
-
- /* construct the function */
- sym.Func = &fnv
- fnv.Text = self.Head
-
- /* call the assembler */
- self.Arch.Assemble(self.Ctxt, &sym, self.New)
- return sym.P
-}