1 files changed, 67 insertions, 0 deletions
diff --git a/src/cmd/nm/goobj.go b/src/cmd/nm/goobj.go
new file mode 100644
index 000000000..5e0817d95
--- /dev/null
+++ b/src/cmd/nm/goobj.go
@@ -0,0 +1,67 @@
+// 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
+}