From a920eb0cb08da30f4d7d4345f42067fdf8ce7b9b Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Mon, 3 Jun 2019 23:02:43 +0000
Subject: runtime: remove unnecessary functions calling between C and Go

    These functions were needed during the transition of the runtime from
    C to Go, but are no longer necessary.

    Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/179879

From-SVN: r271890
---
 libgo/go/runtime/stubs.go | 64 +----------------------------------------------
 1 file changed, 1 insertion(+), 63 deletions(-)

(limited to 'libgo/go')

diff --git a/libgo/go/runtime/stubs.go b/libgo/go/runtime/stubs.go
index 435cdf7..530997b 100644
--- a/libgo/go/runtime/stubs.go
+++ b/libgo/go/runtime/stubs.go
@@ -310,13 +310,6 @@ func errno() int
 func entersyscall()
 func entersyscallblock()
 
-// For gccgo to call from C code, so that the C code and the Go code
-// can share the memstats variable for now.
-//go:linkname getMstats runtime.getMstats
-func getMstats() *mstats {
-	return &memstats
-}
-
 // Get signal trampoline, written in C.
 func getSigtramp() uintptr
 
@@ -338,48 +331,12 @@ func dumpregs(*_siginfo_t, unsafe.Pointer)
 // Implemented in C for gccgo.
 func setRandomNumber(uint32)
 
-// Temporary for gccgo until we port proc.go.
-//go:linkname getsched runtime.getsched
-func getsched() *schedt {
-	return &sched
-}
-
-// Temporary for gccgo until we port proc.go.
-//go:linkname getCgoHasExtraM runtime.getCgoHasExtraM
-func getCgoHasExtraM() *bool {
-	return &cgoHasExtraM
-}
-
-// Temporary for gccgo until we port proc.go.
-//go:linkname getAllP runtime.getAllP
-func getAllP() **p {
-	return &allp[0]
-}
-
-// Temporary for gccgo until we port proc.go.
+// Called by gccgo's proc.c.
 //go:linkname allocg runtime.allocg
 func allocg() *g {
 	return new(g)
 }
 
-// Temporary for gccgo until we port the garbage collector.
-//go:linkname getallglen runtime.getallglen
-func getallglen() uintptr {
-	return allglen
-}
-
-// Temporary for gccgo until we port the garbage collector.
-//go:linkname getallg runtime.getallg
-func getallg(i int) *g {
-	return allgs[i]
-}
-
-// Temporary for gccgo until we port the garbage collector.
-//go:linkname getallm runtime.getallm
-func getallm() *m {
-	return allm
-}
-
 // Throw and rethrow an exception.
 func throwException()
 func rethrowException()
@@ -388,13 +345,6 @@ func rethrowException()
 // used by the stack unwinder.
 func unwindExceptionSize() uintptr
 
-// Temporary for gccgo until C code no longer needs it.
-//go:nosplit
-//go:linkname getPanicking runtime.getPanicking
-func getPanicking() uint32 {
-	return panicking
-}
-
 // Called by C code to set the number of CPUs.
 //go:linkname setncpu runtime.setncpu
 func setncpu(n int32) {
@@ -409,18 +359,6 @@ func setpagesize(s uintptr) {
 	}
 }
 
-// Called by C code during library initialization.
-//go:linkname runtime_m0 runtime.runtime_m0
-func runtime_m0() *m {
-	return &m0
-}
-
-// Temporary for gccgo until we port mgc.go.
-//go:linkname runtime_g0 runtime.runtime_g0
-func runtime_g0() *g {
-	return &g0
-}
-
 const uintptrMask = 1<<(8*sys.PtrSize) - 1
 
 type bitvector struct {
-- 
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