gcc/config/fuchsia.h

   1 /* Base configuration file for all Fuchsia targets.
   2    Copyright (C) 2017-2018 Free Software Foundation, Inc.
   3    Contributed by Google.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 3, or (at your option)
  10 any later version.
  11
  12 GCC is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.  */
  20
  21 /* Common Fuchsia configuration.  */
  22
  23 #undef  STARTFILE_SPEC
  24 #define STARTFILE_SPEC "%{!shared: crt1%O%s} crtbegin%O%s"
  25
  26 #undef  ENDFILE_SPEC
  27 #define ENDFILE_SPEC "crtend%O%s"
  28
  29 /* When neither pic nor pie has been specified, use PIE.  */
  30 #undef  CC1_SPEC
  31 #define CC1_SPEC "%{!fno-pic:%{!fno-PIC:%{!fpic:%{!fPIC:" \
  32                    "%{!fno-pie:%{!fno-PIE:%{!fpie:%{!fPIE: -fPIE}}}}}}}}"
  33
  34 #undef  LIB_SPEC
  35 #define LIB_SPEC "--start-group" \
  36                  " -lmxio -lmagenta -lc -llaunchpad" \
  37                  "%{!static: -lgcc_s}" \
  38                  " --end-group"
  39
  40 #undef  LINK_SPEC
  41 #define LINK_SPEC "-z max-page-size=4096" \
  42                   " -z combreloc" \
  43                   " -z relro" \
  44                   " -z now" \
  45                   " -z text" \
  46                   "%{!hash-style: --hash-style=gnu}" \
  47                   "%{!no-eh-frame-hdr: --eh-frame-hdr}" \
  48                   "%{!no-build-id: --build-id}" \
  49                   "%{shared: -shared}" \
  50                   "%{!shared:%{!static:%{!dynamic-linker: -dynamic-linker=ld.so.1}}}"
  51
  52 /* We are using MUSL as our libc.  */
  53 #undef  OPTION_MUSL
  54 #define OPTION_MUSL 1
  55
  56 #ifndef TARGET_SUB_OS_CPP_BUILTINS
  57 #define TARGET_SUB_OS_CPP_BUILTINS()
  58 #endif
  59
  60 #undef  TARGET_OS_CPP_BUILTINS
  61 #define TARGET_OS_CPP_BUILTINS()                \
  62   do                                            \
  63     {                                           \
  64       builtin_define ("__fuchsia__");           \
  65       TARGET_SUB_OS_CPP_BUILTINS();             \
  66     }                                           \
  67   while (false)
  68