From: Cherry Zhang <cherryyz@google.com>
Date: Sat, 25 Apr 2020 01:55:24 +0000 (-0400)
Subject: [dev.link] cmd/link: use new dodata on MIPS(64) and RISCV64
X-Git-Tag: go1.15beta1~270^2^2~21
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=aa74fce005b3ac35de79e799efb712f48c177256;p=gostls13.git

[dev.link] cmd/link: use new dodata on MIPS(64) and RISCV64

They also don't need to do anything for Adddynrel. So we can just
enable it.

Change-Id: If85fceca63a7b3cb5a09e5db224c3018060e86de
Reviewed-on: https://go-review.googlesource.com/c/go/+/229993
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/link/internal/ld/main.go b/src/cmd/link/internal/ld/main.go
index 8c86fd7236..6893fa8784 100644
--- a/src/cmd/link/internal/ld/main.go
+++ b/src/cmd/link/internal/ld/main.go
@@ -204,8 +204,11 @@ func Main(arch *sys.Arch, theArch Arch) {
 		// New dodata() is currently only implemented for selected targets.
 		switch {
 		case ctxt.IsElf():
-			if !(ctxt.IsAMD64() || ctxt.Is386() ||
-				ctxt.IsARM() || ctxt.IsARM64() || ctxt.IsS390X()) {
+			switch {
+			case ctxt.Is386(), ctxt.IsAMD64(), ctxt.IsARM(), ctxt.IsARM64(),
+				ctxt.IsMIPS(), ctxt.IsMIPS64(), ctxt.IsRISCV64(), ctxt.IsS390X():
+				// supported
+			default:
 				*flagnewDoData = false
 			}
 		case ctxt.IsDarwin():
diff --git a/src/cmd/link/internal/ld/target.go b/src/cmd/link/internal/ld/target.go
index 78e41f09be..102b6c5436 100644
--- a/src/cmd/link/internal/ld/target.go
+++ b/src/cmd/link/internal/ld/target.go
@@ -100,10 +100,22 @@ func (t *Target) IsAMD64() bool {
 	return t.Arch.Family == sys.AMD64
 }
 
+func (t *Target) IsMIPS() bool {
+	return t.Arch.Family == sys.MIPS
+}
+
+func (t *Target) IsMIPS64() bool {
+	return t.Arch.Family == sys.MIPS64
+}
+
 func (t *Target) IsPPC64() bool {
 	return t.Arch.Family == sys.PPC64
 }
 
+func (t *Target) IsRISCV64() bool {
+	return t.Arch.Family == sys.RISCV64
+}
+
 func (t *Target) IsS390X() bool {
 	return t.Arch.Family == sys.S390X
 }