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1 /* Definitions of target machine for gcc for Renesas / SuperH SH using ELF.
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2 Copyright (C) 1996, 1997, 2000, 2001, 2002, 2004, 2005, 2007
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3 Free Software Foundation, Inc.
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4 Contributed by Ian Lance Taylor <ian@cygnus.com>.
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5
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6 This file is part of GCC.
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7
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8 GCC is free software; you can redistribute it and/or modify
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9 it under the terms of the GNU General Public License as published by
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10 the Free Software Foundation; either version 3, or (at your option)
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11 any later version.
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12
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13 GCC is distributed in the hope that it will be useful,
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14 but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 GNU General Public License for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with GCC; see the file COPYING3. If not see
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20 <http://www.gnu.org/licenses/>. */
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21
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22 /* Let sh.c know this is ELF. */
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23 #undef TARGET_ELF
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24 #define TARGET_ELF 1
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25
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26 /* Generate DWARF2 debugging information and make it the default */
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27 #define DWARF2_DEBUGGING_INFO 1
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28
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29 #undef PREFERRED_DEBUGGING_TYPE
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30 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
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31
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32 /* use a more compact format for line information */
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33 #define DWARF2_ASM_LINE_DEBUG_INFO 1
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34
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35 /* WCHAR_TYPE / WCHAR_TYPE_SIZE are defined to long int / BITS_PER_WORD in
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36 svr4.h, but these work out as 64 bit for shmedia64. */
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37 #undef WCHAR_TYPE
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38 /* #define WCHAR_TYPE (TARGET_SH5 ? "int" : "long int") */
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39 #define WCHAR_TYPE SH_ELF_WCHAR_TYPE
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40
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41 #undef WCHAR_TYPE_SIZE
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42 #define WCHAR_TYPE_SIZE 32
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43
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44
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45 /* The prefix to add to user-visible assembler symbols. */
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46
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47 #undef LOCAL_LABEL_PREFIX
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48 #define LOCAL_LABEL_PREFIX "."
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49
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50 #undef SIZE_TYPE
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51 #define SIZE_TYPE (TARGET_SH5 ? "long unsigned int" : "unsigned int")
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52
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53 #undef PTRDIFF_TYPE
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54 #define PTRDIFF_TYPE (TARGET_SH5 ? "long int" : "int")
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55
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56 /* Pass -ml and -mrelax to the assembler and linker. */
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57 #undef ASM_SPEC
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58 #define ASM_SPEC SH_ASM_SPEC
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59
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60 #undef LINK_SPEC
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61 #define LINK_SPEC SH_LINK_SPEC
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62 #undef LINK_EMUL_PREFIX
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63 #if TARGET_ENDIAN_DEFAULT == MASK_LITTLE_ENDIAN
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64 #define LINK_EMUL_PREFIX "sh%{!mb:l}elf"
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65 #else
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66 #define LINK_EMUL_PREFIX "sh%{ml:l}elf"
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67 #endif
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68
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69 /* svr4.h undefined DBX_REGISTER_NUMBER, so we need to define it
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70 again. */
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71 #define DBX_REGISTER_NUMBER(REGNO) SH_DBX_REGISTER_NUMBER (REGNO)
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72
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73 #undef ASM_GENERATE_INTERNAL_LABEL
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74 #define ASM_GENERATE_INTERNAL_LABEL(STRING, PREFIX, NUM) \
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75 sprintf ((STRING), "*%s%s%ld", LOCAL_LABEL_PREFIX, (PREFIX), (long)(NUM))
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76
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77 #define DBX_LINES_FUNCTION_RELATIVE 1
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78 #define DBX_OUTPUT_NULL_N_SO_AT_MAIN_SOURCE_FILE_END
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79
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80 #undef STARTFILE_SPEC
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81 #define STARTFILE_SPEC \
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82 "%{!shared: crt1.o%s} crti.o%s \
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83 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
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84
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85 #undef ENDFILE_SPEC
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86 #define ENDFILE_SPEC \
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87 "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
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88
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89 /* ASM_OUTPUT_CASE_LABEL is defined in elfos.h. With it,
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90 a redundant .align was generated. */
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91 #undef ASM_OUTPUT_CASE_LABEL
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