github.com/varialus/godfly@v0.0.0-20130904042352-1934f9f095ab/src/libmach/obj.h (about)

     1  // Inferno libmach/obj.h
     2  // http://code.google.com/p/inferno-os/source/browse/utils/libmach/obj.h
     3  //
     4  // 	Copyright © 1994-1999 Lucent Technologies Inc.
     5  // 	Power PC support Copyright © 1995-2004 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  // 	Revisions Copyright © 2000-2004 Lucent Technologies Inc. and others.
     9  //	Portions Copyright © 2009 The Go Authors.  All rights reserved.
    10  //
    11  // Permission is hereby granted, free of charge, to any person obtaining a copy
    12  // of this software and associated documentation files (the "Software"), to deal
    13  // in the Software without restriction, including without limitation the rights
    14  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    15  // copies of the Software, and to permit persons to whom the Software is
    16  // furnished to do so, subject to the following conditions:
    17  //
    18  // The above copyright notice and this permission notice shall be included in
    19  // all copies or substantial portions of the Software.
    20  //
    21  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    22  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    23  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
    24  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    25  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    26  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    27  // THE SOFTWARE.
    28  
    29  /*
    30   * obj.h -- defs for dealing with object files
    31   */
    32  
    33  typedef enum Kind		/* variable defs and references in obj */
    34  {
    35  	aNone,			/* we don't care about this prog */
    36  	aName,			/* introduces a name */
    37  	aText,			/* starts a function */
    38  	aData,			/* references to a global object */
    39  } Kind;
    40  
    41  typedef struct	Prog	Prog;
    42  
    43  struct Prog		/* info from .$O files */
    44  {
    45  	Kind	kind;		/* what kind of symbol */
    46  	char	type;		/* type of the symbol: ie, 'T', 'a', etc. */
    47  	char	sym;		/* index of symbol's name */
    48  	char	*id;		/* name for the symbol, if it introduces one */
    49  	uint	sig;		/* type signature for symbol */
    50  };
    51  
    52  #define UNKNOWN	'?'
    53  void		_offset(int, vlong);