/* NLM (NetWare Loadable Module) support for BFD.
- Copyright (C) 1993 Free Software Foundation, Inc.
+ Copyright (C) 1993-2016 Free Software Foundation, Inc.
Written by Fred Fish @ Cygnus Support
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-This program 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 General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ This program 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 General Public License for more details.
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
/* This file is part of NLM support for BFD, and contains the portions
- that are common to both the internal and external representations. */
-
-/* Semi-portable string concatenation in cpp.
- The NLM_CAT4 hack is to avoid a problem with some strict ANSI C
- preprocessors. The problem is, "32_" or "64_" are not a valid
- preprocessing tokens, and we don't want extra underscores (e.g.,
- "nlm_32_"). The XNLM_CAT2 macro will cause the inner NLM_CAT macros
- to be evaluated first, producing still-valid pp-tokens. Then the
- final concatenation can be done. (Sigh.) */
-
-#ifdef SABER
-# define NLM_CAT(a,b) a##b
-# define NLM_CAT3(a,b,c) a##b##c
-# define NLM_CAT4(a,b,c,d) a##b##c##d
-#else
-# ifdef __STDC__
-# define NLM_CAT(a,b) a##b
-# define NLM_CAT3(a,b,c) a##b##c
-# define XNLM_CAT2(a,b) NLM_CAT(a,b)
-# define NLM_CAT4(a,b,c,d) XNLM_CAT2(NLM_CAT(a,b),NLM_CAT(c,d))
-# else
-# define NLM_CAT(a,b) a/**/b
-# define NLM_CAT3(a,b,c) a/**/b/**/c
-# define NLM_CAT4(a,b,c,d) a/**/b/**/c/**/d
-# endif
-#endif
+ that are common to both the internal and external representations. */
/* If NLM_ARCH_SIZE is not defined, default to 32. NLM_ARCH_SIZE is
- optionally defined by the application. */
+ optionally defined by the application. */
#ifndef NLM_ARCH_SIZE
# define NLM_ARCH_SIZE 32
#endif
+/* Due to horrible details of ANSI macro expansion, we can't use CONCAT4
+ for NLM_NAME. CONCAT2 is used in BFD_JUMP_TABLE macros, and some of
+ them will expand to tokens that themselves are macros defined in terms
+ of NLM_NAME. If NLM_NAME were defined using CONCAT4 (which is itself
+ defined in bfd-in.h using CONCAT2), ANSI preprocessor rules say that
+ the CONCAT2 within NLM_NAME should not be expanded.
+ So use another name. */
+#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
+#ifdef SABER
+#define NLM_CAT4(a,b,c,d) a##b##c##d
+#else
+/* This hack is to avoid a problem with some strict ANSI C preprocessors.
+ The problem is, "32_" is not a valid preprocessing token, and we don't
+ want extra underscores (e.g., "nlm_32_"). The NLM_XCAT2 macro will
+ cause the inner CAT2 macros to be evaluated first, producing
+ still-valid pp-tokens. Then the final concatenation can be done. */
+#define NLM_CAT2(a,b) a##b
+#define NLM_XCAT2(a,b) NLM_CAT2(a,b)
+#define NLM_CAT4(a,b,c,d) NLM_XCAT2(NLM_CAT2(a,b),NLM_CAT2(c,d))
+#endif
+#else
+#define NLM_CAT4(a,b,c,d) a/**/b/**/c/**/d
+#endif
+
#if NLM_ARCH_SIZE == 32
# define NLM_TARGET_LONG_SIZE 4
# define NLM_TARGET_ADDRESS_SIZE 4
projects / deliverable / binutils-gdb.git / blobdiff