gprofng/common/gp-defs.h

   1 /* Copyright (C) 2021 Free Software Foundation, Inc.
   2    Contributed by Oracle.
   3
   4    This file is part of GNU Binutils.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3, or (at your option)
   9    any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, 51 Franklin Street - Fifth Floor, Boston,
  19    MA 02110-1301, USA.  */
  20
  21 #ifndef _GP_DEFS_H_
  22 #define _GP_DEFS_H_
  23
  24 /* Define the ARCH and WSIZE predicates */
  25 /*
  26  * The way we define and use predicates is similar to the
  27  * standard #assert with one important exception:
  28  * if an argument of a predicate is not known the result
  29  * is 'false' and we want a compile time error to avoid
  30  * silent results from typos like ARCH(INTEL), COMPILER(gnu),
  31  * etc.
  32  */
  33 #define ARCH(x)             TOK_A_##x(ARCH)
  34 #define TOK_A_Aarch64(x)    x##_Aarch64
  35 #define TOK_A_SPARC(x)      x##_SPARC
  36 #define TOK_A_Intel(x)      x##_Intel
  37
  38 #define WSIZE(x)            TOK_W_##x(WSIZE)
  39 #define TOK_W_32(x)         x##_32
  40 #define TOK_W_64(x)         x##_64
  41
  42 #if defined(sparc) || defined(__sparcv9)
  43 #define ARCH_SPARC          1
  44 #elif defined(__i386__) || defined(__x86_64)
  45 #define ARCH_Intel          1
  46 #elif defined(__aarch64__)
  47 #define ARCH_Aarch64        1
  48 #else
  49 #error "Undefined platform"
  50 #endif
  51
  52 #if defined(__sparcv9) || defined(__x86_64) || defined(__aarch64__)
  53 #define WSIZE_64            1
  54 #else
  55 #define WSIZE_32            1
  56 #endif
  57
  58 #ifndef ATTRIBUTE_FALLTHROUGH
  59 # if (GCC_VERSION >= 7000)
  60 #  define ATTRIBUTE_FALLTHROUGH __attribute__ ((__fallthrough__))
  61 # else
  62 #  define ATTRIBUTE_FALLTHROUGH /* Fall through */
  63 # endif
  64 #endif
  65
  66 #endif