summaryrefslogtreecommitdiff
path: root/gnu-stabs.h
blob: 3cdc91def869cb8980ec50c058c9ea0312050759 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
#error This file is obsolete.

/* Copyright (C) 1991, 1992, 1994 Free Software Foundation, Inc.
This file is part of the GNU C Library.

The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.

The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB.  If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA.  */

#ifndef	__GNU_STABS_H

#define	__GNU_STABS_H	1

#ifdef	HAVE_GNU_LD

/* Alias a function:
   	function_alias(creat, _creat, int, (file, mode),
		       DEFUN(creat, (file, mode),
		             CONST char *file AND int mode))
   Yes, this is very repetitive.  Nothing you can do about it, so shut up.  */
#define	function_alias(name, _name, type, args, defun) \
  symbol_alias (_name, name);

#define function_alias_void(name, _name, args, defun) \
  symbol_alias (_name, name);

#ifdef NO_UNDERSCORES
#define __SYMBOL_PREFIX
#else
#define __SYMBOL_PREFIX "_"
#endif

/* Make references to ALIAS refer to SYMBOL.  */
#define	symbol_alias(symbol, alias)	\
  asm(".stabs \"" __SYMBOL_PREFIX #alias "\",11,0,0,0\n"\
      ".stabs \"" __SYMBOL_PREFIX #symbol "\",1,0,0,0")

/* Issue a warning message from the linker whenever SYMBOL is referenced.  */
#define	warn_references(symbol, msg)	\
  asm(".stabs \"" msg "\",30,0,0,0\n"	\
      ".stabs \"" __SYMBOL_PREFIX #symbol "\",1,0,0,0")

#define	stub_warning(name) \
  warn_references(name, \
		  "warning: " #name " is not implemented and will always fail")

#define	text_set_element(set, symbol)	\
  asm(".stabs \"" __SYMBOL_PREFIX #set "\",23,0,0," __SYMBOL_PREFIX #symbol)
#define	data_set_element(set, symbol)	\
  asm(".stabs \"" __SYMBOL_PREFIX #set "\",25,0,0," __SYMBOL_PREFIX #symbol)
#define	bss_set_element(set, symbol)	\
  asm(".stabs \"" __SYMBOL_PREFIX #set "\",27,0,0," __SYMBOL_PREFIX #symbol)

#else	/* No GNU stabs.  */

#define	function_alias(name, _name, type, args, defun) \
  type defun { return _name args; }

#define function_alias_void(name, _name, args, defun) \
  void defun { _name args; }

#endif	/* GNU stabs.  */

#endif	/* gnu-stabs.h  */