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 /* A cleaned up architecture definition. We don't want to get lost in
  27  * processor features, models, generations or even ABIs. Hence we
  28  * focus on general family, and distuignish word width and
  29  * endianess. */
  30
  31 typedef enum Architecture {
  32         ARCHITECTURE_X86 = 0,
  33         ARCHITECTURE_X86_64,
  34         ARCHITECTURE_PPC,
  35         ARCHITECTURE_PPC_LE,
  36         ARCHITECTURE_PPC64,
  37         ARCHITECTURE_PPC64_LE,
  38         ARCHITECTURE_IA64,
  39         ARCHITECTURE_PARISC,
  40         ARCHITECTURE_PARISC64,
  41         ARCHITECTURE_S390,
  42         ARCHITECTURE_S390X,
  43         ARCHITECTURE_SPARC,
  44         ARCHITECTURE_SPARC64,
  45         ARCHITECTURE_MIPS,
  46         ARCHITECTURE_MIPS_LE,
  47         ARCHITECTURE_MIPS64,
  48         ARCHITECTURE_MIPS64_LE,
  49         ARCHITECTURE_ALPHA,
  50         ARCHITECTURE_ARM,
  51         ARCHITECTURE_ARM_BE,
  52         ARCHITECTURE_ARM64,
  53         ARCHITECTURE_ARM64_BE,
  54         ARCHITECTURE_SH,
  55         ARCHITECTURE_SH64,
  56         ARCHITECTURE_M68K,
  57         ARCHITECTURE_TILEGX,
  58         ARCHITECTURE_CRIS,
  59         _ARCHITECTURE_MAX,
  60         _ARCHITECTURE_INVALID = -1
  61 } Architecture;
  62
  63 Architecture uname_architecture(void);
  64
  65 /*
  66  * LIB_ARCH_TUPLE should resolve to the local library path
  67  * architecture tuple systemd is built for, according to the Debian
  68  * tuple list:
  69  *
  70  * https://wiki.debian.org/Multiarch/Tuples
  71  *
  72  * This is used in library search paths that should understand
  73  * Debian's paths on all distributions.
  74  */
  75
  76 #if defined(__x86_64__)
  77 #  define native_architecture() ARCHITECTURE_X86_64
  78 #  define LIB_ARCH_TUPLE "x86_64-linux-gnu"
  79 #elif defined(__i386__)
  80 #  define native_architecture() ARCHITECTURE_X86
  81 #  define LIB_ARCH_TUPLE "i386-linux-gnu"
  82 #elif defined(__powerpc64__)
  83 #  if __BYTE_ORDER == __BIG_ENDIAN
  84 #    define native_architecture() ARCHITECTURE_PPC64
  85 #    define LIB_ARCH_TUPLE "ppc64-linux-gnu"
  86 #  else
  87 #    define native_architecture() ARCHITECTURE_PPC64_LE
  88 #    error "Missing LIB_ARCH_TUPLE for PPC64LE"
  89 #  endif
  90 #elif defined(__powerpc__)
  91 #  if __BYTE_ORDER == __BIG_ENDIAN
  92 #    define native_architecture() ARCHITECTURE_PPC
  93 #    define LIB_ARCH_TUPLE "powerpc-linux-gnu"
  94 #  else
  95 #    define native_architecture() ARCHITECTURE_PPC_LE
  96 #    error "Missing LIB_ARCH_TUPLE for PPCLE"
  97 #  endif
  98 #elif defined(__ia64__)
  99 #  define native_architecture() ARCHITECTURE_IA64
 100 #  define LIB_ARCH_TUPLE "ia64-linux-gnu"
 101 #elif defined(__hppa64__)
 102 #  define native_architecture() ARCHITECTURE_PARISC64
 103 #  error "Missing LIB_ARCH_TUPLE for HPPA64"
 104 #elif defined(__hppa__)
 105 #  define native_architecture() ARCHITECTURE_PARISC
 106 #  define LIB_ARCH_TUPLE "hppa‑linux‑gnu"
 107 #elif defined(__s390x__)
 108 #  define native_architecture() ARCHITECTURE_S390X
 109 #  define LIB_ARCH_TUPLE "s390x-linux-gnu"
 110 #elif defined(__s390__)
 111 #  define native_architecture() ARCHITECTURE_S390
 112 #  define LIB_ARCH_TUPLE "s390-linux-gnu"
 113 #elif defined(__sparc64__)
 114 #  define native_architecture() ARCHITECTURE_SPARC64
 115 #  define LIB_ARCH_TUPLE "sparc64-linux-gnu"
 116 #elif defined(__sparc__)
 117 #  define native_architecture() ARCHITECTURE_SPARC
 118 #  define LIB_ARCH_TUPLE "sparc-linux-gnu"
 119 #elif defined(__mips64__)
 120 #  if __BYTE_ORDER == __BIG_ENDIAN
 121 #    define native_architecture() ARCHITECTURE_MIPS64
 122 #    error "Missing LIB_ARCH_TUPLE for MIPS64"
 123 #  else
 124 #    define native_architecture() ARCHITECTURE_MIPS64_LE
 125 #    error "Missing LIB_ARCH_TUPLE for MIPS64_LE"
 126 #  endif
 127 #elif defined(__mips__)
 128 #  if __BYTE_ORDER == __BIG_ENDIAN
 129 #    define native_architecture() ARCHITECTURE_MIPS
 130 #    define LIB_ARCH_TUPLE "mips-linux-gnu"
 131 #  else
 132 #    define native_architecture() ARCHITECTURE_MIPS_LE
 133 #    define LIB_ARCH_TUPLE "mipsel-linux-gnu"
 134 #endif
 135 #elif defined(__alpha__)
 136 #  define native_architecture() ARCHITECTURE_ALPHA
 137 #  define LIB_ARCH_TUPLE "alpha-linux-gnu"
 138 #elif defined(__aarch64__)
 139 #  if __BYTE_ORDER == __BIG_ENDIAN
 140 #    define native_architecture() ARCHITECTURE_ARM64_BE
 141 #    define LIB_ARCH_TUPLE "aarch64_be-linux-gnu"
 142 #  else
 143 #    define native_architecture() ARCHITECTURE_ARM64
 144 #    define LIB_ARCH_TUPLE "aarch64-linux-gnu"
 145 #  endif
 146 #elif defined(__arm__)
 147 #  if __BYTE_ORDER == __BIG_ENDIAN
 148 #    define native_architecture() ARCHITECTURE_ARM_BE
 149 #    if defined(__ARM_EABI__)
 150 #      if defined(__ARM_PCS_VFP)
 151 #        define LIB_ARCH_TUPLE "armeb-linux-gnueabihf"
 152 #      else
 153 #        define LIB_ARCH_TUPLE "armeb-linux-gnueabi"
 154 #      endif
 155 #    else
 156 #      define LIB_ARCH_TUPLE "armeb-linux-gnu"
 157 #    endif
 158 #  else
 159 #    define native_architecture() ARCHITECTURE_ARM
 160 #    if defined(__ARM_EABI__)
 161 #      if defined(__ARM_PCS_VFP)
 162 #        define LIB_ARCH_TUPLE "arm-linux-gnueabihf"
 163 #      else
 164 #        define LIB_ARCH_TUPLE "arm-linux-gnueabi"
 165 #      endif
 166 #    else
 167 #      define LIB_ARCH_TUPLE "arm-linux-gnu"
 168 #    endif
 169 #  endif
 170 #elif defined(__sh64__)
 171 #  define native_architecture() ARCHITECTURE_SH64
 172 #  error "Missing LIB_ARCH_TUPLE for SH64"
 173 #elif defined(__sh__)
 174 #  define native_architecture() ARCHITECTURE_SH
 175 #  define LIB_ARCH_TUPLE "sh4-linux-gnu"
 176 #elif defined(__m68k__)
 177 #  define native_architecture() ARCHITECTURE_M68K
 178 #  define LIB_ARCH_TUPLE "m68k-linux-gnu"
 179 #elif defined(__tilegx__)
 180 #  define native_architecture() ARCHITECTURE_TILEGX
 181 #  error "Missing LIB_ARCH_TUPLE for TILEGX"
 182 #elif defined(__cris__)
 183 #  define native_architecture() ARCHITECTURE_CRIS
 184 #  error "Missing LIB_ARCH_TUPLE for CRIS"
 185 #else
 186 #error "Please register your architecture here!"
 187 #endif
 188
 189 const char *architecture_to_string(Architecture a) _const_;
 190 Architecture architecture_from_string(const char *s) _pure_;