rsc.io/go@v0.0.0-20150416155037-e040fd465409/src/cmd/internal/obj/stack.go (about)

     1  // Inferno utils/5l/span.c
     2  // http://code.google.com/p/inferno-os/source/browse/utils/5l/span.c
     3  //
     4  //	Copyright © 1994-1999 Lucent Technologies Inc.  All rights reserved.
     5  //	Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
     6  //	Portions Copyright © 1997-1999 Vita Nuova Limited
     7  //	Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
     8  //	Portions Copyright © 2004,2006 Bruce Ellis
     9  //	Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
    10  //	Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
    11  //	Portions Copyright © 2009 The Go Authors.  All rights reserved.
    12  //
    13  // Permission is hereby granted, free of charge, to any person obtaining a copy
    14  // of this software and associated documentation files (the "Software"), to deal
    15  // in the Software without restriction, including without limitation the rights
    16  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    17  // copies of the Software, and to permit persons to whom the Software is
    18  // furnished to do so, subject to the following conditions:
    19  //
    20  // The above copyright notice and this permission notice shall be included in
    21  // all copies or substantial portions of the Software.
    22  //
    23  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    24  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    25  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
    26  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    27  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    28  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    29  // THE SOFTWARE.
    30  
    31  package obj
    32  
    33  // Instruction layout.
    34  
    35  // Copyright 2011 The Go Authors.  All rights reserved.
    36  // Use of this source code is governed by a BSD-style
    37  // license that can be found in the LICENSE file.
    38  
    39  // For the linkers. Must match Go definitions.
    40  // TODO(rsc): Share Go definitions with linkers directly.
    41  
    42  const (
    43  	STACKSYSTEM = 0
    44  	StackSystem = STACKSYSTEM
    45  	StackBig    = 4096
    46  	StackGuard  = 640 + StackSystem
    47  	StackSmall  = 128
    48  	StackLimit  = StackGuard - StackSystem - StackSmall
    49  )
    50  
    51  const (
    52  	StackPreempt = -1314 // 0xfff...fade
    53  )