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1.1 root 1: /* aoutos.h -- operating system specific defines to be used when
2: targeting GCC for some system that uses a.out file format.
3: Copyright (C) 1992 Free Software Foundation, Inc.
4:
5: Written by Ron Guilmette ([email protected]).
6:
7: This file is part of GNU CC.
8:
9: GNU CC is free software; you can redistribute it and/or modify
10: it under the terms of the GNU General Public License as published by
11: the Free Software Foundation; either version 2, or (at your option)
12: any later version.
13:
14: GNU CC is distributed in the hope that it will be useful,
15: but WITHOUT ANY WARRANTY; without even the implied warranty of
16: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: GNU General Public License for more details.
18:
19: You should have received a copy of the GNU General Public License
20: along with GNU CC; see the file COPYING. If not, write to
21: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
22:
23: /* To use this file, make up a file with a name like:
24:
25: ?????aout.h
26:
27: where ????? is replaced by the name of the basic hardware that you
28: are targeting for. Then, in the file ?????aout.h, put something
29: like:
30:
31: #include "?????.h"
32: #include "aoutos.h"
33:
34: followed by any really system-specific defines (or overrides of
35: defines) which you find that you need. Now, modify the configure
36: or configure.in script to properly use the new ?????aout.h file
37: when configuring for the system. */
38:
39: /* Define a symbol indicating that we are using aoutos.h. */
40: #define USING_AOUTOS_H
41:
42: /* A C statement (sans semicolon) to output an element in the table of
43: global constructors.
44: If using GNU LD, tell it that this is part of the static destructor set.
45: This code works for any machine provided you use GNU as/ld.
46: If not using GNU LD, rely on a "collect" program to look for names defined
47: in the particular form we choose as global constructor function names. */
48:
49: #define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
50: do { \
51: if (flag_gnu_linker) \
52: { \
53: /* Output an N_SETT (0x16, 22.) for the name. */ \
54: fprintf (FILE, "%s \"___CTOR_LIST__\",22,0,0,", ASM_STABS_OP); \
55: assemble_name (FILE, NAME); \
56: fputc ('\n', FILE); \
57: } \
58: } while (0)
59:
60:
61: /* A C statement (sans semicolon) to output an element in the table of
62: global destructors. */
63:
64: #define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \
65: do { \
66: if (flag_gnu_linker) \
67: { \
68: /* Output an N_SETT (0x16, 22.) for the name. */ \
69: fprintf (FILE, "%s \"___DTOR_LIST__\",22,0,0,", ASM_STABS_OP); \
70: assemble_name (FILE, NAME); \
71: fputc ('\n', FILE); \
72: } \
73: } while (0)
74:
75: /* Likewise for entries we want to record for garbage collection.
76: Garbage collection is still under development. */
77:
78: #define ASM_OUTPUT_GC_ENTRY(FILE,NAME) \
79: do { \
80: if (flag_gnu_linker) \
81: { \
82: /* Output an N_SETT (0x16, 22.) for the name. */ \
83: fprintf (FILE, "%s \"___PTR_LIST__\",22,0,0,", ASM_STABS_OP); \
84: assemble_name (FILE, NAME); \
85: fputc ('\n', FILE); \
86: } \
87: } while (0)
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