1  /* Definitions of target machine for gcc for Renesas / SuperH SH using ELF.
       2     Copyright (C) 1996-2023 Free Software Foundation, Inc.
       3     Contributed by Ian Lance Taylor <ian@cygnus.com>.
       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  /* Let sh.cc know this is ELF.  */
      22  #undef TARGET_ELF
      23  #define TARGET_ELF 1
      24  
      25  /* Generate DWARF2 debugging information and make it the default.  */
      26  #define DWARF2_DEBUGGING_INFO 1
      27  
      28  #undef PREFERRED_DEBUGGING_TYPE
      29  #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
      30  
      31  /* Use a more compact format for line information.  */
      32  #define DWARF2_ASM_LINE_DEBUG_INFO 1
      33  
      34  #undef WCHAR_TYPE
      35  #define WCHAR_TYPE SH_ELF_WCHAR_TYPE
      36     
      37  #undef WCHAR_TYPE_SIZE
      38  #define WCHAR_TYPE_SIZE 32
      39  
      40  
      41  /* The prefix to add to user-visible assembler symbols.  */
      42  #undef LOCAL_LABEL_PREFIX
      43  #define LOCAL_LABEL_PREFIX "."
      44  
      45  #undef SIZE_TYPE
      46  #define SIZE_TYPE ("unsigned int")
      47  
      48  #undef PTRDIFF_TYPE
      49  #define PTRDIFF_TYPE ("int")
      50  
      51  /* Pass -ml and -mrelax to the assembler and linker.  */
      52  #undef ASM_SPEC
      53  #define ASM_SPEC SH_ASM_SPEC
      54  
      55  #undef LINK_SPEC
      56  #define LINK_SPEC SH_LINK_SPEC
      57  #undef LINK_EMUL_PREFIX
      58  #if TARGET_ENDIAN_DEFAULT == MASK_LITTLE_ENDIAN
      59  #define LINK_EMUL_PREFIX "sh%{!mb:l}elf"
      60  #else
      61  #define LINK_EMUL_PREFIX "sh%{ml:l}elf"
      62  #endif
      63  
      64  #define DEBUGGER_REGNO(REGNO) SH_DEBUGGER_REGNO (REGNO)
      65  
      66  #undef ASM_GENERATE_INTERNAL_LABEL
      67  #define ASM_GENERATE_INTERNAL_LABEL(STRING, PREFIX, NUM) \
      68    sprintf ((STRING), "*%s%s%ld", LOCAL_LABEL_PREFIX, (PREFIX), (long)(NUM))
      69  
      70  #undef STARTFILE_SPEC
      71  #define STARTFILE_SPEC \
      72    "%{!shared: crt1.o%s} crti.o%s \
      73     %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
      74  
      75  #undef ENDFILE_SPEC
      76  #define ENDFILE_SPEC \
      77    "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
      78  
      79  #undef LIB_SPEC
      80  #define LIB_SPEC "-lc"
      81  
      82  /* ASM_OUTPUT_CASE_LABEL is defined in elfos.h.  With it,
      83     a redundant .align was generated.  */
      84  #undef  ASM_OUTPUT_CASE_LABEL