| 1 | /* aoutos.h -- operating system specific defines to be used when |
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| 2 | targeting GCC for some system that uses a.out file format. |
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| 3 | Copyright (C) 1992 Free Software Foundation, Inc. |
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| 4 | |
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| 5 | Written by Ron Guilmette (rfg@netcom.com). |
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| 6 | |
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| 7 | This file is part of GNU CC. |
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| 8 | |
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| 9 | GNU CC is free software; you can redistribute it and/or modify |
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| 10 | it under the terms of the GNU General Public License as published by |
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| 11 | the Free Software Foundation; either version 2, or (at your option) |
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| 12 | any later version. |
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| 13 | |
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| 14 | GNU CC is distributed in the hope that it will be useful, |
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| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | GNU General Public License for more details. |
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| 18 | |
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| 19 | You should have received a copy of the GNU General Public License |
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| 20 | along with GNU CC; see the file COPYING. If not, write to |
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| 21 | the Free Software Foundation, 59 Temple Place - Suite 330, |
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| 22 | Boston, MA 02111-1307, USA. */ |
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| 23 | |
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| 24 | /* To use this file, make up a file with a name like: |
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| 25 | |
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| 26 | ?????aout.h |
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| 27 | |
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| 28 | where ????? is replaced by the name of the basic hardware that you |
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| 29 | are targeting for. Then, in the file ?????aout.h, put something |
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| 30 | like: |
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| 31 | |
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| 32 | #include "?????.h" |
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| 33 | #include "aoutos.h" |
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| 34 | |
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| 35 | followed by any really system-specific defines (or overrides of |
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| 36 | defines) which you find that you need. Now, modify the configure |
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| 37 | or configure.in script to properly use the new ?????aout.h file |
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| 38 | when configuring for the system. */ |
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| 39 | |
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| 40 | /* Define a symbol indicating that we are using aoutos.h. */ |
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| 41 | #define USING_AOUTOS_H |
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| 42 | |
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| 43 | /* A C statement (sans semicolon) to output an element in the table of |
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| 44 | global constructors. |
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| 45 | If using GNU LD, tell it that this is part of the static destructor set. |
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| 46 | This code works for any machine provided you use GNU as/ld. |
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| 47 | If not using GNU LD, rely on a "collect" program to look for names defined |
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| 48 | in the particular form we choose as global constructor function names. */ |
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| 49 | |
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| 50 | #define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \ |
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| 51 | do { \ |
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| 52 | if (flag_gnu_linker) \ |
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| 53 | { \ |
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| 54 | /* Output an N_SETT (0x16, 22.) for the name. */ \ |
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| 55 | fprintf (FILE, "%s \"___CTOR_LIST__\",22,0,0,", ASM_STABS_OP); \ |
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| 56 | assemble_name (FILE, NAME); \ |
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| 57 | fputc ('\n', FILE); \ |
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| 58 | } \ |
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| 59 | } while (0) |
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| 60 | |
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| 61 | |
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| 62 | /* A C statement (sans semicolon) to output an element in the table of |
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| 63 | global destructors. */ |
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| 64 | |
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| 65 | #define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \ |
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| 66 | do { \ |
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| 67 | if (flag_gnu_linker) \ |
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| 68 | { \ |
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| 69 | /* Output an N_SETT (0x16, 22.) for the name. */ \ |
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| 70 | fprintf (FILE, "%s \"___DTOR_LIST__\",22,0,0,", ASM_STABS_OP); \ |
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| 71 | assemble_name (FILE, NAME); \ |
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| 72 | fputc ('\n', FILE); \ |
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| 73 | } \ |
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| 74 | } while (0) |
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| 75 | |
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| 76 | /* Likewise for entries we want to record for garbage collection. |
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| 77 | Garbage collection is still under development. */ |
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| 78 | |
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| 79 | #define ASM_OUTPUT_GC_ENTRY(FILE,NAME) \ |
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| 80 | do { \ |
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| 81 | if (flag_gnu_linker) \ |
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| 82 | { \ |
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| 83 | /* Output an N_SETT (0x16, 22.) for the name. */ \ |
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| 84 | fprintf (FILE, "%s \"___PTR_LIST__\",22,0,0,", ASM_STABS_OP); \ |
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| 85 | assemble_name (FILE, NAME); \ |
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| 86 | fputc ('\n', FILE); \ |
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| 87 | } \ |
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| 88 | } while (0) |
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