75 lines
1.3 KiB
Go
75 lines
1.3 KiB
Go
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// +build ignore
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package main
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import (
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"flag"
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"fmt"
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"go/build"
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"log"
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"os"
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"path/filepath"
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"regexp"
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"sort"
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"golang.org/x/arch/x86/x86csv"
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)
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const csvname = "x86.v0.2.csv"
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var csvpath = flag.String(
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"csv",
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filepath.Join(build.Default.GOPATH, "src/golang.org/x/arch/x86", csvname),
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"path to "+csvname,
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)
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func UniqueOpCodes(instrs []*x86csv.Inst) []string {
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set := map[string]bool{}
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for _, i := range instrs {
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set[i.GoOpcode()] = true
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}
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opcodes := make([]string, 0, len(set))
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for opcode := range set {
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opcodes = append(opcodes, opcode)
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}
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sort.Strings(opcodes)
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return opcodes
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}
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var functionRegex = regexp.MustCompile(`^[A-Z0-9]+$`)
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func main() {
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flag.Parse()
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f, err := os.Open(*csvpath)
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if err != nil {
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log.Fatal(err)
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}
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defer f.Close()
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r := x86csv.NewReader(f)
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instrs, err := r.ReadAll()
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if err != nil {
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log.Fatal(err)
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}
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fmt.Print("package x86\n\nimport \"github.com/mmcloughlin/avo\"\n")
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for _, opcode := range UniqueOpCodes(instrs) {
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if !functionRegex.MatchString(opcode) {
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log.Printf("skip %s", opcode)
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continue
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}
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fmt.Printf("\nfunc %s(f *avo.Function, operands ...string) {\n", opcode)
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fmt.Printf("\tf.AddInstruction(avo.Instruction{\n")
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fmt.Printf("\t\tMnemonic: \"%s\",\n", opcode)
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fmt.Printf("\t\tOperands: operands,\n")
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fmt.Printf("\t})\n")
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fmt.Printf("}\n")
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}
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}
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