cmd/compile,cmd/asm: dump sym ABI versions for -S=2
When -S=2 is in effect for the compiler/assembler, include symbol ABI
values for defined symbols and relocations. This is intended to help
make it easier to distinguish between a symbol and its ABI wrapper.
Change-Id: Ifbf71372392075f15363b40e882b2132406b7d6d
Reviewed-on: https://go-review.googlesource.com/c/go/+/255718
Trust: Than McIntosh <thanm@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Reviewed-by: David Chase <drchase@google.com>
diff --git a/src/cmd/internal/obj/objfile.go b/src/cmd/internal/obj/objfile.go
index 7bc4f49..aede5fe 100644
--- a/src/cmd/internal/obj/objfile.go
+++ b/src/cmd/internal/obj/objfile.go
@@ -663,7 +663,11 @@
}
func (ctxt *Link) writeSymDebugNamed(s *LSym, name string) {
- fmt.Fprintf(ctxt.Bso, "%s ", name)
+ ver := ""
+ if ctxt.Debugasm > 1 {
+ ver = fmt.Sprintf("<%d>", s.ABI())
+ }
+ fmt.Fprintf(ctxt.Bso, "%s%s ", name, ver)
if s.Type != 0 {
fmt.Fprintf(ctxt.Bso, "%v ", s.Type)
}
@@ -726,15 +730,19 @@
sort.Sort(relocByOff(s.R)) // generate stable output
for _, r := range s.R {
name := ""
+ ver := ""
if r.Sym != nil {
name = r.Sym.Name
+ if ctxt.Debugasm > 1 {
+ ver = fmt.Sprintf("<%d>", s.ABI())
+ }
} else if r.Type == objabi.R_TLS_LE {
name = "TLS"
}
if ctxt.Arch.InFamily(sys.ARM, sys.PPC64) {
- fmt.Fprintf(ctxt.Bso, "\trel %d+%d t=%d %s+%x\n", int(r.Off), r.Siz, r.Type, name, uint64(r.Add))
+ fmt.Fprintf(ctxt.Bso, "\trel %d+%d t=%d %s%s+%x\n", int(r.Off), r.Siz, r.Type, name, ver, uint64(r.Add))
} else {
- fmt.Fprintf(ctxt.Bso, "\trel %d+%d t=%d %s+%d\n", int(r.Off), r.Siz, r.Type, name, r.Add)
+ fmt.Fprintf(ctxt.Bso, "\trel %d+%d t=%d %s%s+%d\n", int(r.Off), r.Siz, r.Type, name, ver, r.Add)
}
}
}