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);