1  /* Xtensa/Elf 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_SECTION_TYPE_FLAGS xtensa_multibss_section_type_flags
      22  
      23  #undef ASM_APP_ON
      24  #define ASM_APP_ON "#APP\n"
      25  
      26  #undef ASM_APP_OFF
      27  #define ASM_APP_OFF "#NO_APP\n"
      28  
      29  #undef SIZE_TYPE
      30  #define SIZE_TYPE "unsigned int"
      31  
      32  #undef PTRDIFF_TYPE
      33  #define PTRDIFF_TYPE "int"
      34  
      35  #undef WCHAR_TYPE
      36  #define WCHAR_TYPE "short unsigned int"
      37  
      38  #undef WCHAR_TYPE_SIZE
      39  #define WCHAR_TYPE_SIZE 16
      40  
      41  #undef ASM_SPEC
      42  #define ASM_SPEC \
      43   "%{mtext-section-literals:--text-section-literals} \
      44    %{mno-text-section-literals:--no-text-section-literals} \
      45    %{mtarget-align:--target-align} \
      46    %{mno-target-align:--no-target-align} \
      47    %{mlongcalls:--longcalls} \
      48    %{mno-longcalls:--no-longcalls} \
      49    %{mauto-litpools:--auto-litpools} \
      50    %{mno-auto-litpools:--no-auto-litpools} \
      51    %{mabi=windowed:--abi-windowed} \
      52    %{mabi=call0:--abi-call0}"
      53  
      54  #undef LIB_SPEC
      55  #define LIB_SPEC "-lc -lsim -lc -lhandlers-sim -lhal"
      56  
      57  #undef STARTFILE_SPEC
      58  #define STARTFILE_SPEC \
      59    "crt1-sim%O%s crt0%O%s crti%O%s crtbegin%O%s _vectors%O%s"
      60  
      61  #undef ENDFILE_SPEC
      62  #define ENDFILE_SPEC "crtend%O%s crtn%O%s"
      63  
      64  #undef LINK_SPEC
      65  #define LINK_SPEC \
      66   "%{shared:-shared} \
      67    %{!shared: \
      68      %{!static: \
      69        %{rdynamic:-export-dynamic} \
      70      %{static:-static}}} \
      71    %{mabi=windowed:--abi-windowed} \
      72    %{mabi=call0:--abi-call0}"
      73  
      74  #undef LOCAL_LABEL_PREFIX
      75  #define LOCAL_LABEL_PREFIX	"."
      76  
      77  /* Avoid dots for compatibility with VxWorks.  */
      78  #undef NO_DOLLAR_IN_LABEL
      79  #define NO_DOT_IN_LABEL
      80  
      81  /* Do not force "-fpic" for this target.  */
      82  #define XTENSA_ALWAYS_PIC 0
      83  
      84  #undef DEBUGGER_REGNO
      85  
      86  /* Search for headers in $tooldir/arch/include and for libraries and
      87     startfiles in $tooldir/arch/lib.  */
      88  #define GCC_DRIVER_HOST_INITIALIZATION \
      89    do { \
      90      char *tooldir, *archdir; \
      91      tooldir = concat (tooldir_base_prefix, spec_machine, \
      92  		      dir_separator_str, NULL); \
      93      if (!IS_ABSOLUTE_PATH (tooldir)) \
      94        tooldir = concat (standard_exec_prefix, spec_machine, dir_separator_str, \
      95  			spec_version, dir_separator_str, tooldir, NULL); \
      96      archdir = concat (tooldir, "arch", dir_separator_str, NULL); \
      97      add_prefix (&startfile_prefixes, \
      98  		concat (archdir, "lib", dir_separator_str, NULL), \
      99  		"GCC", PREFIX_PRIORITY_LAST, 0, 1); \
     100      add_prefix (&include_prefixes, archdir, \
     101  		"GCC", PREFIX_PRIORITY_LAST, 0, 0); \
     102    } while (0)