[release-branch.r58] cgo: handle new Apple LLVM-based gcc from Xcode 4.2release.r58.1

««« CL 4607045 / 142f0bc0d6e7
cgo: handle new Apple LLVM-based gcc from Xcode 4.2

That gcc does not include enumerator names and values
in its DWARF debug output.  Create a data block from which
we can read the values instead.

Fixes #1881.

R=iant
CC=golang-dev
https://golang.org/cl/4607045
»»»

R=adg
CC=golang-dev
https://golang.org/cl/4708042

1 files changed, 6 insertions, 0 deletions

diff --git a/src/pkg/debug/elf/file.go b/src/pkg/debug/elf/file.go
index 9ae8b413d9..220ab94083 100644
--- a/src/pkg/debug/elf/file.go
+++ b/src/pkg/debug/elf/file.go
@@ -546,6 +546,12 @@ func (f *File) DWARF() (*dwarf.Data, os.Error) {
 	return dwarf.New(abbrev, nil, nil, info, nil, nil, nil, str)
 }
 
+// Symbols returns the symbol table for f.
+func (f *File) Symbols() ([]Symbol, os.Error) {
+	sym, _, err := f.getSymbols(SHT_SYMTAB)
+	return sym, err
+}
+
 type ImportedSymbol struct {
 	Name    string
 	Version string