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lxdream.org :: lxdream/src/x86dasm/symcat.h
lxdream 0.9.1
released Jun 29
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filename src/x86dasm/symcat.h
changeset 362:dc40e2064dc4
author nkeynes
date Tue Aug 28 08:46:54 2007 +0000 (14 years ago)
permissions -rw-r--r--
last change Add the i386 disassembler from binutils (why write your own if you don't
have to) to use for translator validation
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     1 /* Symbol concatenation utilities.
     3    Copyright (C) 1998, 2000 Free Software Foundation, Inc.
     5    This program is free software; you can redistribute it and/or modify
     6    it under the terms of the GNU General Public License as published by
     7    the Free Software Foundation; either version 2 of the License, or
     8    (at your option) any later version.
    10    This program is distributed in the hope that it will be useful,
    11    but WITHOUT ANY WARRANTY; without even the implied warranty of
    12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13    GNU General Public License for more details.
    15    You should have received a copy of the GNU General Public License along
    16    with this program; if not, write to the Free Software Foundation, Inc.,
    17    59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
    19 #ifndef SYM_CAT_H
    20 #define SYM_CAT_H
    22 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
    23 #define CONCAT2(a,b)	 a##b
    24 #define CONCAT3(a,b,c)	 a##b##c
    25 #define CONCAT4(a,b,c,d) a##b##c##d
    26 #define STRINGX(s) #s
    27 #else
    28 /* Note one should never pass extra whitespace to the CONCATn macros,
    29    e.g. CONCAT2(foo, bar) because traditonal C will keep the space between
    30    the two labels instead of concatenating them.  Instead, make sure to
    31    write CONCAT2(foo,bar).  */
    32 #define CONCAT2(a,b)	 a/**/b
    33 #define CONCAT3(a,b,c)	 a/**/b/**/c
    34 #define CONCAT4(a,b,c,d) a/**/b/**/c/**/d
    35 #define STRINGX(s) "s"
    36 #endif
    38 #define XCONCAT2(a,b)     CONCAT2(a,b)
    39 #define XCONCAT3(a,b,c)   CONCAT3(a,b,c)
    40 #define XCONCAT4(a,b,c,d) CONCAT4(a,b,c,d)
    42 /* Note the layer of indirection here is typically used to allow
    43    stringification of the expansion of macros.  I.e. "#define foo
    44    bar", "XSTRING(foo)", to yield "bar".  Be aware that this only
    45    works for __STDC__, not for traditional C which will still resolve
    46    to "foo".  */
    47 #define XSTRING(s) STRINGX(s) 
    49 #endif /* SYM_CAT_H */
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