From 805654077252b0f34fb4323a519618ffad5a611e Mon Sep 17 00:00:00 2001
From: Cherry Mui <cherryyz@google.com>
Date: Tue, 14 May 2024 21:39:30 -0400
Subject: [PATCH] cmd/internal/obj: print symbol index at -S=3

When the compiler or assembler's -S flag is set to 3 or higher,
print the symbol index, for debugging.

Change-Id: Ia7a42b0c017105ef12fd97b3e52de0e155b0cf2e
Reviewed-on: https://go-review.googlesource.com/c/go/+/585655
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Than McIntosh <thanm@google.com>
---
 src/cmd/internal/obj/objfile.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/cmd/internal/obj/objfile.go b/src/cmd/internal/obj/objfile.go
index ecc583ce4f..3da8c30640 100644
--- a/src/cmd/internal/obj/objfile.go
+++ b/src/cmd/internal/obj/objfile.go
@@ -839,6 +839,9 @@ func (ctxt *Link) writeSymDebugNamed(s *LSym, name string) {
 	ver := ""
 	if ctxt.Debugasm > 1 {
 		ver = fmt.Sprintf("<%d>", s.ABI())
+		if ctxt.Debugasm > 2 {
+			ver += fmt.Sprintf("<idx %d %d>", s.PkgIdx, s.SymIdx)
+		}
 	}
 	fmt.Fprintf(ctxt.Bso, "%s%s ", name, ver)
 	if s.Type != 0 {
-- 
2.48.1