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111
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1 /* Definitions for PA_RISC with ELF format
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2 Copyright (C) 1999-2017 Free Software Foundation, Inc.
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3
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4 This file is part of GCC.
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5
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6 GCC is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 3, or (at your option)
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9 any later version.
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10
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11 GCC is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with GCC; see the file COPYING3. If not see
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18 <http://www.gnu.org/licenses/>. */
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19
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20
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21 #undef TARGET_OS_CPP_BUILTINS
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22 #define TARGET_OS_CPP_BUILTINS() \
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23 do \
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24 { \
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25 OPENBSD_OS_CPP_BUILTINS(); \
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26 builtin_assert ("machine=bigendian"); \
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27 } \
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28 while (0)
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29
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30 /* Our profiling scheme doesn't LP labels and counter words. */
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31 #define NO_DEFERRED_PROFILE_COUNTERS 1
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32
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33 #undef STRING_ASM_OP
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34 #define STRING_ASM_OP "\t.stringz\t"
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35
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36 #define TEXT_SECTION_ASM_OP "\t.text"
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37 #define DATA_SECTION_ASM_OP "\t.data"
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38 #define BSS_SECTION_ASM_OP "\t.section\t.bss"
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39
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40 /* We want local labels to start with period if made with asm_fprintf. */
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41 #undef LOCAL_LABEL_PREFIX
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42 #define LOCAL_LABEL_PREFIX "."
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43
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44 /* Define these to generate the Linux/ELF/SysV style of internal
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45 labels all the time - i.e. to be compatible with
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46 ASM_GENERATE_INTERNAL_LABEL in <elfos.h>. Compare these with the
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47 ones in pa.h and note the lack of dollar signs in these. FIXME:
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48 shouldn't we fix pa.h to use ASM_GENERATE_INTERNAL_LABEL instead? */
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49
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50 #undef ASM_OUTPUT_ADDR_VEC_ELT
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51 #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
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52 fprintf (FILE, "\t.word .L%d\n", VALUE)
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53
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54 #undef ASM_OUTPUT_ADDR_DIFF_ELT
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55 #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
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56 fprintf (FILE, "\t.word .L%d-.L%d\n", VALUE, REL)
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57
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58 /* Use the default. */
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59 #undef ASM_OUTPUT_LABEL
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60
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61 /* NOTE: (*targetm.asm_out.internal_label)() is defined for us by elfos.h, and
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62 does what we want (i.e. uses colons). It must be compatible with
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63 ASM_GENERATE_INTERNAL_LABEL(), so do not define it here. */
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64
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65 /* Use the default. */
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66 #undef ASM_OUTPUT_INTERNAL_LABEL
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67
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68 /* Use the default. */
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69 #undef TARGET_ASM_GLOBALIZE_LABEL
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70
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71 /* FIXME: Hacked from the <elfos.h> one so that we avoid multiple
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72 labels in a function declaration (since pa.c seems determined to do
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73 it differently) */
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74
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75 #undef ASM_DECLARE_FUNCTION_NAME
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76 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
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77 do \
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78 { \
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79 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function"); \
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80 ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \
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81 } \
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82 while (0)
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83
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84 /* As well as globalizing the label, we need to encode the label
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85 to ensure a plabel is generated in an indirect call. */
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86
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87 #undef ASM_OUTPUT_EXTERNAL_LIBCALL
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88 #define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \
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89 do \
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90 { \
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91 if (!FUNCTION_NAME_P (XSTR (FUN, 0))) \
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92 pa_encode_label (FUN); \
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93 (*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0)); \
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94 } \
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95 while (0)
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96
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97 /* This says how to output an assembler line to define a global common symbol
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98 with size SIZE (in bytes) and alignment ALIGN (in bits). */
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99
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100 #undef ASM_OUTPUT_ALIGNED_COMMON
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101 #define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
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102 pa_asm_output_aligned_common (FILE, NAME, SIZE, ALIGN)
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103
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104 /* This says how to output an assembler line to define a local common symbol
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105 with size SIZE (in bytes) and alignment ALIGN (in bits). This macro
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106 controls how the assembler definitions of uninitialized static variables
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107 are output. */
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108
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109 #undef ASM_OUTPUT_ALIGNED_LOCAL
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110 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
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111 pa_asm_output_aligned_local (FILE, NAME, SIZE, ALIGN)
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112
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113 /* OpenBSD always uses gas. */
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114 #undef TARGET_GAS
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115 #define TARGET_GAS 1
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116
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117 /* Layout of source language data types. */
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118
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119 /* This must agree with <machine/_types.h> */
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120 #undef SIZE_TYPE
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121 #define SIZE_TYPE "long unsigned int"
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122
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123 #undef PTRDIFF_TYPE
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124 #define PTRDIFF_TYPE "long int"
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125
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126 #undef WCHAR_TYPE
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127 #define WCHAR_TYPE "int"
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128
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129 #undef WCHAR_TYPE_SIZE
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130 #define WCHAR_TYPE_SIZE 32
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131
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132 #undef WINT_TYPE
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133 #define WINT_TYPE "int"
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134
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135 #undef LINK_SPEC
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136 #define LINK_SPEC \
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137 "%{!shared:%{!nostdlib:%{!r:%{!e*:-e __start}}}} \
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138 %{shared:-shared} %{R*} \
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139 %{static:-Bstatic} \
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140 %{!static:-Bdynamic} \
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141 %{assert*} \
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142 -dynamic-linker /usr/libexec/ld.so"
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143
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144 #undef STARTFILE_SPEC
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145 #define STARTFILE_SPEC "\
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146 %{!shared: %{pg:gcrt0%O%s} %{!pg:%{p:gcrt0%O%s} %{!p:crt0%O%s}} \
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147 crtbegin%O%s} %{shared:crtbeginS%O%s}"
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148
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149 #undef ENDFILE_SPEC
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150 #define ENDFILE_SPEC "%{!shared:crtend%O%s} %{shared:crtendS%O%s}"
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151
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152 #define OBSD_HAS_CORRECT_SPECS
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153
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154 #define HAVE_ENABLE_EXECUTE_STACK
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