| // Copyright 2009 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package gc |
| |
| import ( |
| "fmt" |
| "go/constant" |
| |
| "cmd/compile/internal/base" |
| "cmd/compile/internal/ir" |
| "cmd/compile/internal/typecheck" |
| "cmd/compile/internal/types" |
| "cmd/internal/bio" |
| ) |
| |
| func dumpasmhdr() { |
| b, err := bio.Create(base.Flag.AsmHdr) |
| if err != nil { |
| base.Fatalf("%v", err) |
| } |
| fmt.Fprintf(b, "// generated by compile -asmhdr from package %s\n\n", types.LocalPkg.Name) |
| for _, n := range typecheck.Target.AsmHdrDecls { |
| if n.Sym().IsBlank() { |
| continue |
| } |
| switch n.Op() { |
| case ir.OLITERAL: |
| t := n.Val().Kind() |
| if t == constant.Float || t == constant.Complex { |
| break |
| } |
| fmt.Fprintf(b, "#define const_%s %v\n", n.Sym().Name, n.Val().ExactString()) |
| |
| case ir.OTYPE: |
| t := n.Type() |
| if !t.IsStruct() || t.StructType().Map != nil || t.IsFuncArgStruct() { |
| break |
| } |
| fmt.Fprintf(b, "#define %s__size %d\n", n.Sym().Name, int(t.Size())) |
| for _, f := range t.Fields() { |
| if !f.Sym.IsBlank() { |
| fmt.Fprintf(b, "#define %s_%s %d\n", n.Sym().Name, f.Sym.Name, int(f.Offset)) |
| } |
| } |
| } |
| } |
| |
| b.Close() |
| } |