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// Copyright 2013 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.
// Parsing of Go intermediate object files and archives.
package main
import (
"fmt"
"os"
)
func goobjName(id goobj_SymID) string {
if id.Version == 0 {
return id.Name
}
return fmt.Sprintf("%s<%d>", id.Name, id.Version)
}
func goobjSymbols(f *os.File) []Sym {
pkg, err := goobj_Parse(f, `""`)
if err != nil {
errorf("parsing %s: %v", f.Name(), err)
return nil
}
seen := make(map[goobj_SymID]bool)
var syms []Sym
for _, s := range pkg.Syms {
seen[s.goobj_SymID] = true
sym := Sym{Addr: uint64(s.Data.Offset), Name: goobjName(s.goobj_SymID), Size: int64(s.Size), Type: s.Type.Name, Code: '?'}
switch s.Kind {
case goobj_STEXT, goobj_SELFRXSECT:
sym.Code = 'T'
case goobj_STYPE, goobj_SSTRING, goobj_SGOSTRING, goobj_SGOFUNC, goobj_SRODATA, goobj_SFUNCTAB, goobj_STYPELINK, goobj_SSYMTAB, goobj_SPCLNTAB, goobj_SELFROSECT:
sym.Code = 'R'
case goobj_SMACHOPLT, goobj_SELFSECT, goobj_SMACHO, goobj_SMACHOGOT, goobj_SNOPTRDATA, goobj_SINITARR, goobj_SDATA, goobj_SWINDOWS:
sym.Code = 'D'
case goobj_SBSS, goobj_SNOPTRBSS, goobj_STLSBSS:
sym.Code = 'B'
case goobj_SXREF, goobj_SMACHOSYMSTR, goobj_SMACHOSYMTAB, goobj_SMACHOINDIRECTPLT, goobj_SMACHOINDIRECTGOT, goobj_SFILE, goobj_SFILEPATH, goobj_SCONST, goobj_SDYNIMPORT, goobj_SHOSTOBJ:
sym.Code = 'X' // should not see
}
if s.Version != 0 {
sym.Code += 'a' - 'A'
}
syms = append(syms, sym)
}
for _, s := range pkg.Syms {
for _, r := range s.Reloc {
if !seen[r.Sym] {
seen[r.Sym] = true
sym := Sym{Name: goobjName(r.Sym), Code: 'U'}
if s.Version != 0 {
// should not happen but handle anyway
sym.Code = 'u'
}
syms = append(syms, sym)
}
}
}
return syms
}
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