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funcdata.go
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funcdata.go
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/*
* Copyright 2022 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 ssa
import (
`fmt`
`strings`
`github.com/cloudwego/frugal/internal/rt`
)
type FuncData struct {
Code []byte
Layout *FuncLayout
Liveness map[Pos]SlotSet
StackMap map[uintptr]*rt.StackMap
}
type FuncLayout struct {
Ins []IrNode
Start map[int]int
Block map[int]*BasicBlock
}
func (self *FuncLayout) String() string {
ni := len(self.Ins)
ns := len(self.Start)
ss := make([]string, 0, ni + ns)
/* print every instruction */
for i, ins := range self.Ins {
if bb, ok := self.Block[i]; !ok {
ss = append(ss, fmt.Sprintf("%06x | %s", i, ins))
} else {
ss = append(ss, fmt.Sprintf("%06x | bb_%d:", i, bb.Id), fmt.Sprintf("%06x | %s", i, ins))
}
}
/* join them together */
return fmt.Sprintf(
"FuncLayout {\n%s\n}",
strings.Join(ss, "\n"),
)
}