src/shared/architecture.h

   1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
   2
   3 #pragma once
   4
   5 /***
   6   This file is part of systemd.
   7
   8   Copyright 2014 Lennart Poettering
   9
  10   systemd is free software; you can redistribute it and/or modify it
  11   under the terms of the GNU Lesser General Public License as published by
  12   the Free Software Foundation; either version 2.1 of the License, or
  13   (at your option) any later version.
  14
  15   systemd is distributed in the hope that it will be useful, but
  16   WITHOUT ANY WARRANTY; without even the implied warranty of
  17   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18   Lesser General Public License for more details.
  19
  20   You should have received a copy of the GNU Lesser General Public License
  21   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  22 ***/
  23
  24 #include "util.h"
  25
  26 typedef enum Architecture {
  27         ARCHITECTURE_X86 = 0,
  28         ARCHITECTURE_X86_64,
  29         ARCHITECTURE_PPC,
  30         ARCHITECTURE_PPC_LE,
  31         ARCHITECTURE_PPC64,
  32         ARCHITECTURE_PPC64_LE,
  33         ARCHITECTURE_IA64,
  34         ARCHITECTURE_PARISC,
  35         ARCHITECTURE_PARISC64,
  36         ARCHITECTURE_S390,
  37         ARCHITECTURE_S390X,
  38         ARCHITECTURE_SPARC,
  39         ARCHITECTURE_SPARC64,
  40         ARCHITECTURE_MIPS,
  41         ARCHITECTURE_MIPS64,
  42         ARCHITECTURE_ALPHA,
  43         ARCHITECTURE_ARM,
  44         ARCHITECTURE_ARM_BE,
  45         ARCHITECTURE_ARM64,
  46         ARCHITECTURE_ARM64_BE,
  47         ARCHITECTURE_SH,
  48         ARCHITECTURE_SH64,
  49         ARCHITECTURE_M68K,
  50         ARCHITECTURE_TILEGX,
  51         _ARCHITECTURE_MAX,
  52         _ARCHITECTURE_INVALID = -1
  53 } Architecture;
  54
  55 Architecture uname_architecture(void);
  56
  57 #if defined(__x86_64__)
  58 #  define native_architecture() ARCHITECTURE_X86_64
  59 #elif defined(__i386__)
  60 #  define native_architecture() ARCHITECTURE_X86
  61 #elif defined(__powerpc64__)
  62 #  if defined(WORDS_BIGENDIAN)
  63 #    define native_architecture() ARCHITECTURE_PPC64
  64 #  else
  65 #    define native_architecture() ARCHITECTURE_PPC64_LE
  66 #  endif
  67 #elif defined(__powerpc__)
  68 #  if defined(WORDS_BIGENDIAN)
  69 #    define native_architecture() ARCHITECTURE_PPC
  70 #  else
  71 #    define native_architecture() ARCHITECTURE_PPC_LE
  72 #  endif
  73 #elif defined(__ia64__)
  74 #  define native_architecture() ARCHITECTURE_IA64
  75 #elif defined(__hppa64__)
  76 #  define native_architecture() ARCHITECTURE_PARISC64
  77 #elif defined(__hppa__)
  78 #  define native_architecture() ARCHITECTURE_PARISC
  79 #elif defined(__s390x__)
  80 #  define native_architecture() ARCHITECTURE_S390X
  81 #elif defined(__s390__)
  82 #  define native_architecture() ARCHITECTURE_S390
  83 #elif defined(__sparc64__)
  84 #  define native_architecture() ARCHITECTURE_SPARC64
  85 #elif defined(__sparc__)
  86 #  define native_architecture() ARCHITECTURE_SPARC
  87 #elif defined(__mips64__)
  88 #  define native_architecture() ARCHITECTURE_MIPS64
  89 #elif defined(__mips__)
  90 #  define native_architecture() ARCHITECTURE_MIPS
  91 #elif defined(__alpha__)
  92 #  define native_architecture() ARCHITECTURE_ALPHA
  93 #elif defined(__aarch64__)
  94 #  if defined(WORDS_BIGENDIAN)
  95 #    define native_architecture() ARCHITECTURE_ARM64_BE
  96 #  else
  97 #    define native_architecture() ARCHITECTURE_ARM64
  98 #  endif
  99 #elif defined(__arm__)
 100 #  if defined(WORDS_BIGENDIAN)
 101 #    define native_architecture() ARCHITECTURE_ARM_BE
 102 #  else
 103 #    define native_architecture() ARCHITECTURE_ARM
 104 #  endif
 105 #elif defined(__sh64__)
 106 #  define native_architecture() ARCHITECTURE_SH64
 107 #elif defined(__sh__)
 108 #  define native_architecture() ARCHITECTURE_SH
 109 #elif defined(__m68k__)
 110 #  define native_architecture() ARCHITECTURE_M68K
 111 #elif defined(__tilegx__)
 112 #  define native_architecture() ARCHITECTURE_TILEGX
 113 #else
 114 #error "Please register your architecture here!"
 115 #endif
 116
 117 const char *architecture_to_string(Architecture a) _const_;
 118 Architecture architecture_from_string(const char *s) _pure_;