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1 /* Definitions of target machine for GCC, for SPARC64, ELF.
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2 Copyright (C) 1994, 1995, 1996, 1997, 1998, 2000, 2004, 2005, 2007
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3 Free Software Foundation, Inc.
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4 Contributed by Doug Evans, dje@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 #undef TARGET_VERSION
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23 #define TARGET_VERSION fprintf (stderr, " (sparc64-elf)")
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24
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25 /* A 64 bit v9 compiler in a Medium/Anywhere code model environment. */
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26 #undef TARGET_DEFAULT
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27 #define TARGET_DEFAULT \
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28 (MASK_V9 + MASK_PTR64 + MASK_64BIT + MASK_HARD_QUAD \
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29 + MASK_APP_REGS + MASK_FPU + MASK_STACK_BIAS + MASK_LONG_DOUBLE_128)
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30
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31 #undef SPARC_DEFAULT_CMODEL
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32 #define SPARC_DEFAULT_CMODEL CM_EMBMEDANY
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33
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34 /* Don't assume anything about the header files. */
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35 #define NO_IMPLICIT_EXTERN_C
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36
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37 /* __svr4__ is used by the C library (FIXME) */
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38 #undef CPP_SUBTARGET_SPEC
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39 #define CPP_SUBTARGET_SPEC "-D__svr4__"
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40
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41 #undef MD_EXEC_PREFIX
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42 #undef MD_STARTFILE_PREFIX
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43
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44 #undef ASM_SPEC
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45 #define ASM_SPEC "\
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46 %{v:-V} -s %{fpic|fPIC|fpie|fPIE:-K PIC} \
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47 %{mlittle-endian:-EL} \
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48 %(asm_cpu) %(asm_arch) \
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49 "
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50
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51 /* This is taken from sol2.h. */
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52 #undef LINK_SPEC
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53 #define LINK_SPEC "\
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54 %{v:-V} \
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55 %{mlittle-endian:-EL} \
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56 "
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57
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58 /* We need something a little simpler for the embedded environment.
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59 Profiling doesn't really work yet so we just copy the default. */
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60 #undef STARTFILE_SPEC
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61 #define STARTFILE_SPEC "\
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62 %{!shared:%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}} \
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63 crtbegin.o%s \
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64 "
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65
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66 #undef ENDFILE_SPEC
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67 #define ENDFILE_SPEC \
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68 "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
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69 crtend.o%s"
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70
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71 /* Use the default (for now). */
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72 #undef LIB_SPEC
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73
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74 /* This defines which switch letters take arguments.
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75 It is as in svr4.h but with -R added. */
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76 #undef SWITCH_TAKES_ARG
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77 #define SWITCH_TAKES_ARG(CHAR) \
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78 (DEFAULT_SWITCH_TAKES_ARG(CHAR) \
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79 || (CHAR) == 'R' \
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80 || (CHAR) == 'h' \
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81 || (CHAR) == 'z')
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82
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83 #undef BYTES_BIG_ENDIAN
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84 #define BYTES_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN)
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85
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86 #undef WORDS_BIG_ENDIAN
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87 #define WORDS_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN)
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88
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89 #undef LOCAL_LABEL_PREFIX
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90 #define LOCAL_LABEL_PREFIX "."
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91
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92 /* This is how to store into the string LABEL
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93 the symbol_ref name of an internal numbered label where
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94 PREFIX is the class of label and NUM is the number within the class.
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95 This is suitable for output with `assemble_name'. */
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96
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97 #undef ASM_GENERATE_INTERNAL_LABEL
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98 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
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99 sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM))
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100
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101 /* ??? This should be 32 bits for v9 but what can we do? */
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102 #undef WCHAR_TYPE
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103 #define WCHAR_TYPE "short unsigned int"
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104
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105 #undef WCHAR_TYPE_SIZE
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106 #define WCHAR_TYPE_SIZE 16
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107
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108 #undef LONG_DOUBLE_TYPE_SIZE
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109 #define LONG_DOUBLE_TYPE_SIZE 128
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