os/linux/ccconfig.h

   1 /*      $Id: ccconfig.h,v 1.25.2.1 2014/12/06 09:55:29 ragge Exp $      */
   2
   3 /*
   4  * Copyright (c) 2004 Anders Magnusson (ragge@ludd.luth.se).
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 /*
  29  * Various settings that controls how the C compiler works.
  30  */
  31
  32 /* common cpp predefines */
  33 #define CPPADD  { "-D__linux__", "-D__ELF__", NULL, }
  34
  35 #define CRT0            "crt1.o"
  36 #define GCRT0           "gcrt1.o"
  37
  38 #define STARTLABEL "_start"
  39
  40 #if defined(mach_i386)
  41 #define CPPMDADD        { "-D__i386__", NULL, }
  42 #define DYNLINKER       { "-dynamic-linker", "/lib/ld-linux.so.2", NULL }
  43 #elif defined(mach_powerpc)
  44 #define CPPMDADD        { "-D__ppc__", NULL, }
  45 #define DYNLINKER       { "-dynamic-linker", "/lib/ld-linux.so.2", NULL }
  46 #elif defined(mach_amd64)
  47 #define CPPMDADD        { "-D__x86_64__", "-D__x86_64", "-D__amd64__", \
  48         "-D__amd64", "-D__LP64__", "-D_LP64", NULL, }
  49 #define DYNLINKER { "-dynamic-linker", "/lib64/ld-linux-x86-64.so.2", NULL }
  50 #ifndef MULTIARCH_PATH
  51 #define DEFLIBDIRS      { "/usr/lib64/", 0 }
  52 #else
  53 #define DEFLIBDIRS      { "/usr/lib64/", "/usr/lib/" MULTIARCH_PATH "/", 0 }
  54 #endif
  55 #elif defined(mach_mips)
  56 #define CPPMDADD { "-D__mips__", NULL, }
  57 #define DYNLINKER { "-dynamic-linker", "/lib/ld.so.1", NULL }
  58 #else
  59 #error defines for arch missing
  60 #endif
  61
  62 /* fixup small m options */
  63 #if defined(mach_amd64)
  64 #define PCC_EARLY_ARG_CHECK     {                                       \
  65         if (match(argp, "-m32")) {                                      \
  66                 argp = "-melf_i386";                                    \
  67         } else if (match(argp, "-m64")) {                               \
  68                 argp = "-melf_x86_64";                                  \
  69         }                                                               \
  70 }
  71 #endif