internal/manual,internal/rawalloc: Reduce max array size to support MIPS.

Author: ajsutton

internal/manual/manual_32bit.go

@@ -2,8 +2,8 @@
 // of this source code is governed by a BSD-style license that can be found in
 // the LICENSE file.
 
-//go:build 386 || amd64p32 || arm || armbe || mips || mipsle || mips64p32 || mips64p32le || ppc || sparc
-// +build 386 amd64p32 arm armbe mips mipsle mips64p32 mips64p32le ppc sparc
+//go:build 386 || amd64p32 || arm || armbe || ppc || sparc
+// +build 386 amd64p32 arm armbe ppc sparc
 
 package manual
 

internal/manual/manual_mips.go

@@ -0,0 +1,13 @@
+// Copyright 2020 The LevelDB-Go and Pebble Authors. All rights reserved. Use
+// of this source code is governed by a BSD-style license that can be found in
+// the LICENSE file.
+
+//go:build mips || mipsle || mips64p32 || mips64p32le
+// +build mips mipsle mips64p32 mips64p32le
+
+package manual
+
+const (
+	// MaxArrayLen is a safe maximum length for slices on this architecture.
+	MaxArrayLen = 1 << 30
+)

internal/rawalloc/rawalloc_32bit.go

@@ -12,8 +12,8 @@
 // implied. See the License for the specific language governing
 // permissions and limitations under the License.
 
-//go:build 386 || amd64p32 || arm || armbe || mips || mipsle || mips64p32 || mips64p32le || ppc || sparc
-// +build 386 amd64p32 arm armbe mips mipsle mips64p32 mips64p32le ppc sparc
+//go:build 386 || amd64p32 || arm || armbe || ppc || sparc
+// +build 386 amd64p32 arm armbe ppc sparc
 
 package rawalloc
 

internal/rawalloc/rawalloc_mips.go

@@ -0,0 +1,22 @@
+// Copyright 2014 The Cockroach Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+// implied. See the License for the specific language governing
+// permissions and limitations under the License.
+
+//go:build mips || mipsle || mips64p32 || mips64p32le
+// +build mips mipsle mips64p32 mips64p32le
+
+package rawalloc
+
+const (
+	maxArrayLen = 1 << 30
+)