cmd/internal/objfile: recognize Mach-O __DATA_CONST segment as read-only data

Updates #38830.

Change-Id: I826c6b0a42bc8e48fcda556250ca4a95c73987eb
Reviewed-on: https://go-review.googlesource.com/c/go/+/253918
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>

diff --git a/src/cmd/internal/objfile/macho.go b/src/cmd/internal/objfile/macho.go
index fdb7e76dfce2bea4e8d91238944a748119ad922b..1d6963f7c45126e20d1643a4d43dc2d83811fd01 100644 (file)
--- a/src/cmd/internal/objfile/macho.go
+++ b/src/cmd/internal/objfile/macho.go
@@ -60,7 +60,7 @@ func (f *machoFile) symbols() ([]Sym, error) {
                } else if int(s.Sect) <= len(f.macho.Sections) {
                        sect := f.macho.Sections[s.Sect-1]
                        switch sect.Seg {
-                       case "__TEXT":
+                       case "__TEXT", "__DATA_CONST":
                                sym.Code = 'R'
                        case "__DATA":
                                sym.Code = 'D'