1 files changed, 0 insertions, 78 deletions
diff --git a/src/pkg/runtime/mgc0.h b/src/pkg/runtime/mgc0.h
deleted file mode 100644
index d04b5cab8..000000000
--- a/src/pkg/runtime/mgc0.h
+++ /dev/null
@@ -1,78 +0,0 @@
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Garbage collector (GC)
-
-enum {
-	ScanStackByFrames = 1,
-
-	// Four bits per word (see #defines below).
-	gcBits = 4,
-	wordsPerBitmapByte = 8/gcBits,
-
-	// GC type info programs.
-	// The programs allow to store type info required for GC in a compact form.
-	// Most importantly arrays take O(1) space instead of O(n).
-	// The program grammar is:
-	//
-	// Program = {Block} "insEnd"
-	// Block = Data | Array
-	// Data = "insData" DataSize DataBlock
-	// DataSize = int // size of the DataBlock in bit pairs, 1 byte
-	// DataBlock = binary // dense GC mask (2 bits per word) of size ]DataSize/4[ bytes
-	// Array = "insArray" ArrayLen Block "insArrayEnd"
-	// ArrayLen = int // length of the array, 8 bytes (4 bytes for 32-bit arch)
-	//
-	// Each instruction (insData, insArray, etc) is 1 byte.
-	// For example, for type struct { x []byte; y [20]struct{ z int; w *byte }; }
-	// the program looks as:
-	//
-	// insData 3 (BitsMultiWord BitsSlice BitsScalar)
-	//	insArray 20 insData 2 (BitsScalar BitsPointer) insArrayEnd insEnd
-	//
-	// Total size of the program is 17 bytes (13 bytes on 32-bits).
-	// The corresponding GC mask would take 43 bytes (it would be repeated
-	// because the type has odd number of words).
-	insData = 1,
-	insArray,
-	insArrayEnd,
-	insEnd,
-
-	// Pointer map
-	BitsPerPointer	= 2,
-	BitsMask	= (1<<BitsPerPointer)-1,
-	PointersPerByte	= 8/BitsPerPointer,
-
-	BitsDead	= 0,
-	BitsScalar	= 1,
-	BitsPointer	= 2,
-	BitsMultiWord	= 3,
-	// BitsMultiWord will be set for the first word of a multi-word item.
-	// When it is set, one of the following will be set for the second word.
-	// NOT USED ANYMORE: BitsString	= 0,
-	// NOT USED ANYMORE: BitsSlice	= 1,
-	BitsIface	= 2,
-	BitsEface	= 3,
-
-	// 64 bytes cover objects of size 1024/512 on 64/32 bits, respectively.
-	MaxGCMask	= 64,
-};
-
-// Bits in per-word bitmap.
-// #defines because we shift the values beyond 32 bits.
-//
-// Each word in the bitmap describes wordsPerBitmapWord words
-// of heap memory.  There are 4 bitmap bits dedicated to each heap word,
-// so on a 64-bit system there is one bitmap word per 16 heap words.
-//
-// The bitmap starts at mheap.arena_start and extends *backward* from
-// there.  On a 64-bit system the off'th word in the arena is tracked by
-// the off/16+1'th word before mheap.arena_start.  (On a 32-bit system,
-// the only difference is that the divisor is 8.)
-
-#define bitBoundary	((uintptr)1) // boundary of an object
-#define bitMarked	((uintptr)2) // marked object
-
-#define bitMask		((uintptr)bitBoundary|bitMarked)
-#define bitPtrMask	((uintptr)BitsMask<<2)