diff options
Diffstat (limited to 'src/pkg/runtime/malloc_defs.go')
-rw-r--r-- | src/pkg/runtime/malloc_defs.go | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/src/pkg/runtime/malloc_defs.go b/src/pkg/runtime/malloc_defs.go deleted file mode 100644 index bfb96f409..000000000 --- a/src/pkg/runtime/malloc_defs.go +++ /dev/null @@ -1,130 +0,0 @@ -// Copyright 2010 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. - -// Go definitions of internal structures. Master is malloc.h - -package runtime - -import "unsafe" - -const ( - pageShift = 12 - pageSize = 1 << pageShift - pageMask = pageSize - 1 -) - -type pageID uintptr - -const ( - numSizeClasses = 67 - maxSmallSize = 32 << 10 - fixAllocChunk = 128 << 10 - maxMCacheListLen = 256 - maxMCacheSize = 2 << 20 - maxMHeapList = 1 << 8 // 1 << (20 - pageShift) - heapAllocChunk = 1 << 20 -) - -type mLink struct { - next *mLink -} - -type fixAlloc struct { - size uintptr - alloc func(uintptr) - first func(unsafe.Pointer, *byte) - arg unsafe.Pointer - list *mLink - chunk *byte - nchunk uint32 - inuse uintptr - sys uintptr -} - - -// MStats? used to be in extern.go - -type mCacheList struct { - list *mLink - nlist uint32 - nlistmin uint32 -} - -type mCache struct { - list [numSizeClasses]mCacheList - size uint64 - local_alloc int64 - local_objects int64 - next_sample int32 -} - -type mSpan struct { - next *mSpan - prev *mSpan - allnext *mSpan - start pageID - npages uintptr - freelist *mLink - ref uint32 - sizeclass uint32 - state uint32 - // union { - gcref *uint32 // sizeclass > 0 - // gcref0 uint32; // sizeclass == 0 - // } -} - -type mCentral struct { - lock - sizeclass int32 - nonempty mSpan - empty mSpan - nfree int32 -} - -type mHeap struct { - lock - free [maxMHeapList]mSpan - large mSpan - allspans *mSpan - map_ mHeapMap - min *byte - max *byte - closure_min *byte - closure_max *byte - - central [numSizeClasses]struct { - pad [64]byte - // union: mCentral - } - - spanalloc fixAlloc - cachealloc fixAlloc -} - -const ( - refFree = iota - refStack - refNone - refSome - refcountOverhead = 4 - refNoPointers = 0x80000000 - refHasFinalizer = 0x40000000 - refProfiled = 0x20000000 - refNoProfiling = 0x10000000 - refFlags = 0xFFFF0000 -) - -const ( - mProf_None = iota - mProf_Sample - mProf_All -) - -type finalizer struct { - next *finalizer - fn func(unsafe.Pointer) - arg unsafe.Pointer - nret int32 -} |