1  /* Xtensa Linux configuration.
       2     Derived from the configuration for GCC for Intel i386 running Linux.
       3     Copyright (C) 2001-2023 Free Software Foundation, Inc.
       4  
       5  This file is part of GCC.
       6  
       7  GCC is free software; you can redistribute it and/or modify it under
       8  the terms of the GNU General Public License as published by the Free
       9  Software Foundation; either version 3, or (at your option) any later
      10  version.
      11  
      12  GCC is distributed in the hope that it will be useful, but WITHOUT ANY
      13  WARRANTY; without even the implied warranty of MERCHANTABILITY or
      14  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
      15  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  #define TARGET_OS_CPP_BUILTINS() GNU_USER_TARGET_OS_CPP_BUILTINS()
      22  
      23  #undef SUBTARGET_CPP_SPEC
      24  #define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
      25  
      26  #undef SIZE_TYPE
      27  #define SIZE_TYPE "unsigned int"
      28  
      29  #undef PTRDIFF_TYPE
      30  #define PTRDIFF_TYPE "int"
      31  
      32  #undef WCHAR_TYPE
      33  #define WCHAR_TYPE "long int"
      34  
      35  #undef WCHAR_TYPE_SIZE
      36  #define WCHAR_TYPE_SIZE 32
      37  
      38  #undef ASM_SPEC
      39  #define ASM_SPEC \
      40   "%{mtext-section-literals:--text-section-literals} \
      41    %{mno-text-section-literals:--no-text-section-literals} \
      42    %{mtarget-align:--target-align} \
      43    %{mno-target-align:--no-target-align} \
      44    %{mlongcalls:--longcalls} \
      45    %{mno-longcalls:--no-longcalls} \
      46    %{mauto-litpools:--auto-litpools} \
      47    %{mno-auto-litpools:--no-auto-litpools} \
      48    %{mabi=windowed:--abi-windowed} \
      49    %{mabi=call0:--abi-call0}"
      50  
      51  #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
      52  
      53  #undef LINK_SPEC
      54  #define LINK_SPEC \
      55   "%{shared:-shared} \
      56    %{!shared: \
      57      %{!static:%{!static-pie: \
      58        %{rdynamic:-export-dynamic} \
      59        -dynamic-linker " GNU_USER_DYNAMIC_LINKER "}} \
      60      %{static-pie:-static -pie --no-dynamic-linker -z text} \
      61      %{static:-static}} \
      62    %{mabi=windowed:--abi-windowed} \
      63    %{mabi=call0:--abi-call0}"
      64  
      65  #undef LOCAL_LABEL_PREFIX
      66  #define LOCAL_LABEL_PREFIX	"."
      67  
      68  /* Always enable "-fpic" for Xtensa Linux.  */
      69  #define XTENSA_ALWAYS_PIC 1
      70  
      71  #undef DEBUGGER_REGNO
      72  
      73  #define TARGET_ASM_FILE_END file_end_indicate_exec_stack