mirror of
https://github.com/golang/go.git
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8c195bdf12
First draft of converted Go compiler, using rsc.io/c2go rev 83d795a. Change-Id: I29f4c7010de07d2ff1947bbca9865879d83c32c3 Reviewed-on: https://go-review.googlesource.com/4851 Reviewed-by: Rob Pike <r@golang.org>
147 lines
1.9 KiB
Go
147 lines
1.9 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package obj
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import (
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"fmt"
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"math"
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"os"
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"strings"
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)
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// go-specific code shared across loaders (5l, 6l, 8l).
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var Framepointer_enabled int
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var Fieldtrack_enabled int
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var Zprog Prog
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// Toolchain experiments.
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// These are controlled by the GOEXPERIMENT environment
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// variable recorded when the toolchain is built.
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// This list is also known to cmd/gc.
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var exper = []struct {
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name string
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val *int
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}{
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struct {
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name string
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val *int
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}{"fieldtrack", &Fieldtrack_enabled},
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struct {
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name string
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val *int
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}{"framepointer", &Framepointer_enabled},
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}
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func addexp(s string) {
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var i int
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for i = 0; i < len(exper); i++ {
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if exper[i].name == s {
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if exper[i].val != nil {
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*exper[i].val = 1
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}
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return
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}
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}
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fmt.Printf("unknown experiment %s\n", s)
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os.Exit(2)
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}
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func linksetexp() {
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for _, f := range strings.Split(goexperiment, ",") {
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if f != "" {
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addexp(f)
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}
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}
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}
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// replace all "". with pkg.
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func Expandpkg(t0 string, pkg string) string {
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return strings.Replace(t0, `"".`, pkg+".", -1)
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}
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func double2ieee(ieee *uint64, f float64) {
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*ieee = math.Float64bits(f)
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}
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func Nopout(p *Prog) {
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p.As = ANOP
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p.Scond = Zprog.Scond
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p.From = Zprog.From
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p.From3 = Zprog.From3
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p.Reg = Zprog.Reg
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p.To = Zprog.To
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}
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func Nocache(p *Prog) {
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p.Optab = 0
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p.From.Class = 0
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p.From3.Class = 0
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p.To.Class = 0
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}
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/*
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* bv.c
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*/
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/*
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* closure.c
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*/
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/*
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* const.c
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*/
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/*
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* cplx.c
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*/
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/*
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* dcl.c
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*/
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/*
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* esc.c
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*/
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/*
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* export.c
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*/
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/*
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* fmt.c
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*/
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/*
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* gen.c
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*/
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/*
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* init.c
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*/
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/*
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* inl.c
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*/
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/*
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* lex.c
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*/
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func Expstring() string {
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buf := "X"
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for i := range exper {
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if *exper[i].val != 0 {
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buf += "," + exper[i].name
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}
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}
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if buf == "X" {
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buf += ",none"
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}
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return "X:" + buf[2:]
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}
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