1 // Copyright 2013 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package obj 6 7 // Garbage collector liveness bitmap generation. 8 9 // The command line flag -live causes this code to print debug information. 10 // The levels are: 11 // 12 // -live (aka -live=1): print liveness lists as code warnings at safe points 13 // -live=2: print an assembly listing with liveness annotations 14 // -live=3: print information during each computation phase (much chattier) 15 // 16 // Each level includes the earlier output as well. 17 18 // Copyright 2012 The Go Authors. All rights reserved. 19 // Use of this source code is governed by a BSD-style 20 // license that can be found in the LICENSE file. 21 22 // Used by cmd/gc. 23 24 const ( 25 InsData = 1 + iota 26 InsArray 27 InsArrayEnd 28 InsEnd 29 MaxGCMask = 65536 30 ) 31
