src/basic/architecture.h

   1 #pragma once
   2
   3 /***
   4   This file is part of systemd.
   5
   6   Copyright 2014 Lennart Poettering
   7
   8   systemd is free software; you can redistribute it and/or modify it
   9   under the terms of the GNU Lesser General Public License as published by
  10   the Free Software Foundation; either version 2.1 of the License, or
  11   (at your option) any later version.
  12
  13   systemd is distributed in the hope that it will be useful, but
  14   WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16   Lesser General Public License for more details.
  17
  18   You should have received a copy of the GNU Lesser General Public License
  19   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  20 ***/
  21
  22 #include <endian.h>
  23
  24 #include "macro.h"
  25 #include "util.h"
  26
  27 /* A cleaned up architecture definition. We don't want to get lost in
  28  * processor features, models, generations or even ABIs. Hence we
  29  * focus on general family, and distinguish word width and
  30  * endianness. */
  31
  32 enum {
  33         ARCHITECTURE_X86 = 0,
  34         ARCHITECTURE_X86_64,
  35         ARCHITECTURE_PPC,
  36         ARCHITECTURE_PPC_LE,
  37         ARCHITECTURE_PPC64,
  38         ARCHITECTURE_PPC64_LE,
  39         ARCHITECTURE_IA64,
  40         ARCHITECTURE_PARISC,
  41         ARCHITECTURE_PARISC64,
  42         ARCHITECTURE_S390,
  43         ARCHITECTURE_S390X,
  44         ARCHITECTURE_SPARC,
  45         ARCHITECTURE_SPARC64,
  46         ARCHITECTURE_MIPS,
  47         ARCHITECTURE_MIPS_LE,
  48         ARCHITECTURE_MIPS64,
  49         ARCHITECTURE_MIPS64_LE,
  50         ARCHITECTURE_ALPHA,
  51         ARCHITECTURE_ARM,
  52         ARCHITECTURE_ARM_BE,
  53         ARCHITECTURE_ARM64,
  54         ARCHITECTURE_ARM64_BE,
  55         ARCHITECTURE_SH,
  56         ARCHITECTURE_SH64,
  57         ARCHITECTURE_M68K,
  58         ARCHITECTURE_TILEGX,
  59         ARCHITECTURE_CRIS,
  60         _ARCHITECTURE_MAX,
  61         _ARCHITECTURE_INVALID = -1
  62 };
  63
  64 int uname_architecture(void);
  65
  66 /*
  67  * LIB_ARCH_TUPLE should resolve to the local library path
  68  * architecture tuple systemd is built for, according to the Debian
  69  * tuple list:
  70  *
  71  * https://wiki.debian.org/Multiarch/Tuples
  72  *
  73  * This is used in library search paths that should understand
  74  * Debian's paths on all distributions.
  75  */
  76
  77 #if defined(__x86_64__)
  78 #  define native_architecture() ARCHITECTURE_X86_64
  79 #  define LIB_ARCH_TUPLE "x86_64-linux-gnu"
  80 #  define SECONDARY_ARCHITECTURE ARCHITECTURE_X86
  81 #elif defined(__i386__)
  82 #  define native_architecture() ARCHITECTURE_X86
  83 #  define LIB_ARCH_TUPLE "i386-linux-gnu"
  84 #elif defined(__powerpc64__)
  85 #  if __BYTE_ORDER == __BIG_ENDIAN
  86 #    define native_architecture() ARCHITECTURE_PPC64
  87 #    define LIB_ARCH_TUPLE "ppc64-linux-gnu"
  88 #    define SECONDARY_ARCHITECTURE ARCHITECTURE_PPC
  89 #  else
  90 #    define native_architecture() ARCHITECTURE_PPC64_LE
  91 #    define LIB_ARCH_TUPLE  "powerpc64le-linux-gnu"
  92 #    define SECONDARY_ARCHITECTURE ARCHITECTURE_PPC_LE
  93 #  endif
  94 #elif defined(__powerpc__)
  95 #  if __BYTE_ORDER == __BIG_ENDIAN
  96 #    define native_architecture() ARCHITECTURE_PPC
  97 #    define LIB_ARCH_TUPLE "powerpc-linux-gnu"
  98 #  else
  99 #    define native_architecture() ARCHITECTURE_PPC_LE
 100 #    error "Missing LIB_ARCH_TUPLE for PPCLE"
 101 #  endif
 102 #elif defined(__ia64__)
 103 #  define native_architecture() ARCHITECTURE_IA64
 104 #  define LIB_ARCH_TUPLE "ia64-linux-gnu"
 105 #elif defined(__hppa64__)
 106 #  define native_architecture() ARCHITECTURE_PARISC64
 107 #  error "Missing LIB_ARCH_TUPLE for HPPA64"
 108 #elif defined(__hppa__)
 109 #  define native_architecture() ARCHITECTURE_PARISC
 110 #  define LIB_ARCH_TUPLE "hppa‑linux‑gnu"
 111 #elif defined(__s390x__)
 112 #  define native_architecture() ARCHITECTURE_S390X
 113 #  define LIB_ARCH_TUPLE "s390x-linux-gnu"
 114 #  define SECONDARY_ARCHITECTURE ARCHITECTURE_S390
 115 #elif defined(__s390__)
 116 #  define native_architecture() ARCHITECTURE_S390
 117 #  define LIB_ARCH_TUPLE "s390-linux-gnu"
 118 #elif defined(__sparc64__)
 119 #  define native_architecture() ARCHITECTURE_SPARC64
 120 #  define LIB_ARCH_TUPLE "sparc64-linux-gnu"
 121 #elif defined(__sparc__)
 122 #  define native_architecture() ARCHITECTURE_SPARC
 123 #  define LIB_ARCH_TUPLE "sparc-linux-gnu"
 124 #elif defined(__mips64__)
 125 #  if __BYTE_ORDER == __BIG_ENDIAN
 126 #    define native_architecture() ARCHITECTURE_MIPS64
 127 #    error "Missing LIB_ARCH_TUPLE for MIPS64"
 128 #  else
 129 #    define native_architecture() ARCHITECTURE_MIPS64_LE
 130 #    error "Missing LIB_ARCH_TUPLE for MIPS64_LE"
 131 #  endif
 132 #elif defined(__mips__)
 133 #  if __BYTE_ORDER == __BIG_ENDIAN
 134 #    define native_architecture() ARCHITECTURE_MIPS
 135 #    define LIB_ARCH_TUPLE "mips-linux-gnu"
 136 #  else
 137 #    define native_architecture() ARCHITECTURE_MIPS_LE
 138 #    define LIB_ARCH_TUPLE "mipsel-linux-gnu"
 139 #  endif
 140 #elif defined(__alpha__)
 141 #  define native_architecture() ARCHITECTURE_ALPHA
 142 #  define LIB_ARCH_TUPLE "alpha-linux-gnu"
 143 #elif defined(__aarch64__)
 144 #  if __BYTE_ORDER == __BIG_ENDIAN
 145 #    define native_architecture() ARCHITECTURE_ARM64_BE
 146 #    define LIB_ARCH_TUPLE "aarch64_be-linux-gnu"
 147 #  else
 148 #    define native_architecture() ARCHITECTURE_ARM64
 149 #    define LIB_ARCH_TUPLE "aarch64-linux-gnu"
 150 #  endif
 151 #elif defined(__arm__)
 152 #  if __BYTE_ORDER == __BIG_ENDIAN
 153 #    define native_architecture() ARCHITECTURE_ARM_BE
 154 #    if defined(__ARM_EABI__)
 155 #      if defined(__ARM_PCS_VFP)
 156 #        define LIB_ARCH_TUPLE "armeb-linux-gnueabihf"
 157 #      else
 158 #        define LIB_ARCH_TUPLE "armeb-linux-gnueabi"
 159 #      endif
 160 #    else
 161 #      define LIB_ARCH_TUPLE "armeb-linux-gnu"
 162 #    endif
 163 #  else
 164 #    define native_architecture() ARCHITECTURE_ARM
 165 #    if defined(__ARM_EABI__)
 166 #      if defined(__ARM_PCS_VFP)
 167 #        define LIB_ARCH_TUPLE "arm-linux-gnueabihf"
 168 #      else
 169 #        define LIB_ARCH_TUPLE "arm-linux-gnueabi"
 170 #      endif
 171 #    else
 172 #      define LIB_ARCH_TUPLE "arm-linux-gnu"
 173 #    endif
 174 #  endif
 175 #elif defined(__sh64__)
 176 #  define native_architecture() ARCHITECTURE_SH64
 177 #  error "Missing LIB_ARCH_TUPLE for SH64"
 178 #elif defined(__sh__)
 179 #  define native_architecture() ARCHITECTURE_SH
 180 #  define LIB_ARCH_TUPLE "sh4-linux-gnu"
 181 #elif defined(__m68k__)
 182 #  define native_architecture() ARCHITECTURE_M68K
 183 #  define LIB_ARCH_TUPLE "m68k-linux-gnu"
 184 #elif defined(__tilegx__)
 185 #  define native_architecture() ARCHITECTURE_TILEGX
 186 #  error "Missing LIB_ARCH_TUPLE for TILEGX"
 187 #elif defined(__cris__)
 188 #  define native_architecture() ARCHITECTURE_CRIS
 189 #  error "Missing LIB_ARCH_TUPLE for CRIS"
 190 #else
 191 #  error "Please register your architecture here!"
 192 #endif
 193
 194 const char *architecture_to_string(int a) _const_;
 195 int architecture_from_string(const char *s) _pure_;