From: Russ Cox <rsc@golang.org>
Date: Mon, 15 Feb 2021 16:26:58 +0000 (-0500)
Subject: runtime: delete gosave (dead code)
X-Git-Tag: go1.17beta1~1488
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=b110a43628;p=gostls13.git

runtime: delete gosave (dead code)

Change-Id: Ie811526534df8622d89c5b1b81dbe19ece1c962b
Reviewed-on: https://go-review.googlesource.com/c/go/+/292110
Trust: Russ Cox <rsc@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
---

diff --git a/src/runtime/proc.go b/src/runtime/proc.go
index ccfe085691..dbb430fd25 100644
--- a/src/runtime/proc.go
+++ b/src/runtime/proc.go
@@ -3482,7 +3482,7 @@ func save(pc, sp uintptr) {
 // This is called only from the go syscall library and cgocall,
 // not from the low-level system calls used by the runtime.
 //
-// Entersyscall cannot split the stack: the gosave must
+// Entersyscall cannot split the stack: the save must
 // make g->sched refer to the caller's stack segment, because
 // entersyscall is going to return immediately after.
 //
diff --git a/src/runtime/stack.go b/src/runtime/stack.go
index 8c90e7b46f..d971e5e26f 100644
--- a/src/runtime/stack.go
+++ b/src/runtime/stack.go
@@ -1089,7 +1089,7 @@ func nilfunc() {
 }
 
 // adjust Gobuf as if it executed a call to fn
-// and then did an immediate gosave.
+// and then stopped before the first instruction in fn.
 func gostartcallfn(gobuf *gobuf, fv *funcval) {
 	var fn unsafe.Pointer
 	if fv != nil {
diff --git a/src/runtime/stubs.go b/src/runtime/stubs.go
index c0cc95ec65..b9b313a711 100644
--- a/src/runtime/stubs.go
+++ b/src/runtime/stubs.go
@@ -169,6 +169,7 @@ func noescape(p unsafe.Pointer) unsafe.Pointer {
 // This in turn calls cgocallbackg, which is where we'll find
 // pointer-declared arguments.
 func cgocallback(fn, frame, ctxt uintptr)
+
 func gogo(buf *gobuf)
 
 //go:noescape
diff --git a/src/runtime/sys_wasm.go b/src/runtime/sys_wasm.go
index 3ed621f92e..057ed4ccd9 100644
--- a/src/runtime/sys_wasm.go
+++ b/src/runtime/sys_wasm.go
@@ -27,7 +27,7 @@ func wasmTruncU()
 func wasmExit(code int32)
 
 // adjust Gobuf as it if executed a call to fn with context ctxt
-// and then did an immediate gosave.
+// and then stopped before the first instruction in fn.
 func gostartcall(buf *gobuf, fn, ctxt unsafe.Pointer) {
 	sp := buf.sp
 	sp -= sys.PtrSize
diff --git a/src/runtime/sys_x86.go b/src/runtime/sys_x86.go
index 5b7a666679..8f21585d28 100644
--- a/src/runtime/sys_x86.go
+++ b/src/runtime/sys_x86.go
@@ -12,7 +12,7 @@ import (
 )
 
 // adjust Gobuf as if it executed a call to fn with context ctxt
-// and then did an immediate gosave.
+// and then stopped before the first instruction in fn.
 func gostartcall(buf *gobuf, fn, ctxt unsafe.Pointer) {
 	sp := buf.sp
 	sp -= sys.PtrSize