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1 /* Definitions of target machine GNU compiler. VMS common version.
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2 Copyright (C) 2003-2020 Free Software Foundation, Inc.
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3 Contributed by Douglas B Rupp (rupp@gnat.com).
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 3, or (at your option)
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10 any later version.
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11
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12 GCC is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21 #define TARGET_OBJECT_SUFFIX ".obj"
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22 #define TARGET_EXECUTABLE_SUFFIX ".exe"
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23
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24 #define TARGET_OS_CPP_BUILTINS() \
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25 do { \
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26 builtin_define_std ("vms"); \
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27 builtin_define_std ("VMS"); \
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28 builtin_assert ("system=vms"); \
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29 SUBTARGET_OS_CPP_BUILTINS(); \
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30 builtin_define ("__int64=long long"); \
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31 if (flag_vms_pointer_size == VMS_POINTER_SIZE_32) \
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32 builtin_define ("__INITIAL_POINTER_SIZE=32"); \
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33 else if (flag_vms_pointer_size == VMS_POINTER_SIZE_64) \
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34 builtin_define ("__INITIAL_POINTER_SIZE=64"); \
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35 if (POINTER_SIZE == 64) \
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36 builtin_define ("__LONG_POINTERS=1"); \
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37 builtin_define_with_int_value ("__CRTL_VER", vms_c_get_crtl_ver ()); \
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38 builtin_define_with_int_value ("__VMS_VER", vms_c_get_vms_ver ()); \
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39 } while (0)
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40
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41 extern void vms_c_register_includes (const char *, const char *, int);
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42 #define TARGET_EXTRA_INCLUDES vms_c_register_includes
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43
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44 /* Tell compiler we want to support VMS pragmas */
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45 #define REGISTER_TARGET_PRAGMAS() vms_c_register_pragma ()
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46
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47 /* By default, allow $ to be part of an identifier. */
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48 #define DOLLARS_IN_IDENTIFIERS 2
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49
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50 #undef TARGET_ABI_OPEN_VMS
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51 #define TARGET_ABI_OPEN_VMS 1
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52
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53 /* "long" is 32 bits, but 64 bits for Ada. */
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54 #undef LONG_TYPE_SIZE
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55 #define LONG_TYPE_SIZE 32
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56 #define ADA_LONG_TYPE_SIZE 64
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57
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58 /* Pointer is 32 bits but the hardware has 64-bit addresses, sign extended. */
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59 #undef POINTER_SIZE
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60 #define POINTER_SIZE (flag_vms_pointer_size == VMS_POINTER_SIZE_NONE ? 32 : 64)
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61 #define POINTERS_EXTEND_UNSIGNED 0
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62
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63 /* Always a 32 bit type. */
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64 #undef SIZE_TYPE
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65 #define SIZE_TYPE "unsigned int"
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66
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67 /* ???: Defined as a 'int' by dec-c, but obstack.h doesn't like it. */
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68 #undef PTRDIFF_TYPE
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69 #define PTRDIFF_TYPE (flag_vms_pointer_size == VMS_POINTER_SIZE_NONE ? \
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70 "int" : "long long int")
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71
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72 #define SIZETYPE (flag_vms_pointer_size == VMS_POINTER_SIZE_NONE ? \
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73 "unsigned int" : "long long unsigned int")
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74
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75 #define C_COMMON_OVERRIDE_OPTIONS vms_c_common_override_options ()
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76
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77 /* VMS doesn't support other sections than .text for code. */
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78 #define TARGET_ASM_FUNCTION_SECTION vms_function_section
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79
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80 /* Always use 8 bytes addresses in dwarf2 debug info. The default value doesn't
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81 work as it may be 4 bytes, which won't match gas default (8 bytes for ia64),
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82 and will thus produce incorrect values. */
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83 #define DWARF2_ADDR_SIZE 8
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84
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85 /* No libm on VMS. */
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86 #define MATH_LIBRARY ""
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87
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88 /* Special VMS debugger symbol to record the entry point. */
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89 #define VMS_DEBUG_MAIN_POINTER "TRANSFER$BREAK$GO"
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90
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91 #undef TARGET_LIBC_HAS_FUNCTION
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92 #define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function
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