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111
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1 /* Target definitions for GNU compiler for PowerPC running System V.4
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131
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2 Copyright (C) 1995-2018 Free Software Foundation, Inc.
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111
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3 Contributed by Cygnus Support.
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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 it
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8 under the terms of the GNU General Public License as published
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9 by the Free Software Foundation; either version 3, or (at your
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10 option) any later version.
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11
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12 GCC is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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15 License for more details.
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16
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17 Under Section 7 of GPL version 3, you are granted additional
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18 permissions described in the GCC Runtime Library Exception, version
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19 3.1, as published by the Free Software Foundation.
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20
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21 You should have received a copy of the GNU General Public License and
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22 a copy of the GCC Runtime Library Exception along with this program;
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23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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24 <http://www.gnu.org/licenses/>. */
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25
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26 /* Yes! We are ELF. */
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27 #define TARGET_OBJECT_FORMAT OBJECT_ELF
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28
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29 /* Default ABI to compile code for. */
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30 #define DEFAULT_ABI rs6000_current_abi
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31
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32 /* Default ABI to use. */
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33 #define RS6000_ABI_NAME "sysv"
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34
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35 /* Override rs6000.h definition. */
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36 #undef ASM_DEFAULT_SPEC
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37 #define ASM_DEFAULT_SPEC "-mppc"
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38
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39 #define TARGET_TOC (TARGET_64BIT \
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40 || (TARGET_MINIMAL_TOC \
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41 && flag_pic > 1) \
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42 || DEFAULT_ABI != ABI_V4)
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43
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44 #define TARGET_BITFIELD_TYPE (! TARGET_NO_BITFIELD_TYPE)
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45 #define TARGET_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN)
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46 #define TARGET_PROTOTYPE target_prototype
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47 #define TARGET_NO_PROTOTYPE (! TARGET_PROTOTYPE)
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48 #define TARGET_NO_TOC (! TARGET_TOC)
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49 #define TARGET_NO_EABI (! TARGET_EABI)
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50 #define TARGET_REGNAMES rs6000_regnames
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51
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52 #ifdef HAVE_AS_REL16
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53 #undef TARGET_SECURE_PLT
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54 #define TARGET_SECURE_PLT secure_plt
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55 #endif
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56
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57 #define SDATA_DEFAULT_SIZE 8
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58
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59 /* The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
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60 get control in TARGET_OPTION_OVERRIDE. */
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61
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62 #define SUBTARGET_OVERRIDE_OPTIONS \
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63 do { \
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64 if (!global_options_set.x_g_switch_value) \
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65 g_switch_value = SDATA_DEFAULT_SIZE; \
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66 \
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67 if (rs6000_abi_name == NULL) \
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68 rs6000_abi_name = RS6000_ABI_NAME; \
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69 \
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70 if (!strcmp (rs6000_abi_name, "sysv")) \
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71 rs6000_current_abi = ABI_V4; \
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72 else if (!strcmp (rs6000_abi_name, "sysv-noeabi")) \
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73 { \
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74 rs6000_current_abi = ABI_V4; \
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75 rs6000_isa_flags &= ~ OPTION_MASK_EABI; \
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76 } \
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77 else if (!strcmp (rs6000_abi_name, "sysv-eabi") \
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78 || !strcmp (rs6000_abi_name, "eabi")) \
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79 { \
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80 rs6000_current_abi = ABI_V4; \
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81 rs6000_isa_flags |= OPTION_MASK_EABI; \
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82 } \
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83 else if (!strcmp (rs6000_abi_name, "aixdesc")) \
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84 rs6000_current_abi = ABI_AIX; \
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85 else if (!strcmp (rs6000_abi_name, "freebsd") \
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86 || !strcmp (rs6000_abi_name, "linux")) \
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87 { \
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88 if (TARGET_64BIT) \
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89 rs6000_current_abi = ABI_AIX; \
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90 else \
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91 rs6000_current_abi = ABI_V4; \
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92 } \
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93 else if (!strcmp (rs6000_abi_name, "netbsd")) \
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94 rs6000_current_abi = ABI_V4; \
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95 else if (!strcmp (rs6000_abi_name, "openbsd")) \
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96 rs6000_current_abi = ABI_V4; \
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97 else if (!strcmp (rs6000_abi_name, "i960-old")) \
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98 { \
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99 rs6000_current_abi = ABI_V4; \
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100 rs6000_isa_flags |= (OPTION_MASK_LITTLE_ENDIAN | OPTION_MASK_EABI); \
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101 rs6000_isa_flags &= ~OPTION_MASK_STRICT_ALIGN; \
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102 TARGET_NO_BITFIELD_WORD = 1; \
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103 } \
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104 else \
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105 { \
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106 rs6000_current_abi = ABI_V4; \
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107 error ("bad value for -mcall-%s", rs6000_abi_name); \
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108 } \
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109 \
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110 if (rs6000_sdata_name) \
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111 { \
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112 if (!strcmp (rs6000_sdata_name, "none")) \
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113 rs6000_sdata = SDATA_NONE; \
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114 else if (!strcmp (rs6000_sdata_name, "data")) \
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115 rs6000_sdata = SDATA_DATA; \
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116 else if (!strcmp (rs6000_sdata_name, "default")) \
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117 rs6000_sdata = (TARGET_EABI) ? SDATA_EABI : SDATA_SYSV; \
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118 else if (!strcmp (rs6000_sdata_name, "sysv")) \
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119 rs6000_sdata = SDATA_SYSV; \
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120 else if (!strcmp (rs6000_sdata_name, "eabi")) \
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121 rs6000_sdata = SDATA_EABI; \
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122 else \
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123 error ("bad value for -msdata=%s", rs6000_sdata_name); \
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124 } \
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125 else if (DEFAULT_ABI == ABI_V4) \
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126 { \
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127 rs6000_sdata = SDATA_DATA; \
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128 rs6000_sdata_name = "data"; \
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129 } \
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130 else \
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131 { \
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132 rs6000_sdata = SDATA_NONE; \
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133 rs6000_sdata_name = "none"; \
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134 } \
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135 \
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136 if (TARGET_RELOCATABLE && \
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137 (rs6000_sdata == SDATA_EABI || rs6000_sdata == SDATA_SYSV)) \
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138 { \
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139 rs6000_sdata = SDATA_DATA; \
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140 error ("-mrelocatable and -msdata=%s are incompatible", \
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141 rs6000_sdata_name); \
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142 } \
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143 \
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144 else if (flag_pic && DEFAULT_ABI == ABI_V4 \
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145 && (rs6000_sdata == SDATA_EABI \
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146 || rs6000_sdata == SDATA_SYSV)) \
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147 { \
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148 rs6000_sdata = SDATA_DATA; \
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149 error ("-f%s and -msdata=%s are incompatible", \
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150 (flag_pic > 1) ? "PIC" : "pic", \
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151 rs6000_sdata_name); \
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152 } \
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153 \
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154 if ((rs6000_sdata != SDATA_NONE && DEFAULT_ABI != ABI_V4) \
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155 || (rs6000_sdata == SDATA_EABI && !TARGET_EABI)) \
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156 { \
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157 rs6000_sdata = SDATA_NONE; \
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158 error ("-msdata=%s and -mcall-%s are incompatible", \
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159 rs6000_sdata_name, rs6000_abi_name); \
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160 } \
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161 \
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162 targetm.have_srodata_section = rs6000_sdata == SDATA_EABI; \
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163 \
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164 if (TARGET_RELOCATABLE && !TARGET_MINIMAL_TOC) \
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165 { \
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166 rs6000_isa_flags |= OPTION_MASK_MINIMAL_TOC; \
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167 error ("-mrelocatable and -mno-minimal-toc are incompatible"); \
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168 } \
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169 \
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170 if (TARGET_RELOCATABLE && rs6000_current_abi != ABI_V4) \
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171 { \
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172 rs6000_isa_flags &= ~OPTION_MASK_RELOCATABLE; \
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173 error ("-mrelocatable and -mcall-%s are incompatible", \
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174 rs6000_abi_name); \
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175 } \
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176 \
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177 if (!TARGET_64BIT && flag_pic > 1 && rs6000_current_abi != ABI_V4) \
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178 { \
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179 flag_pic = 0; \
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180 error ("-fPIC and -mcall-%s are incompatible", \
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181 rs6000_abi_name); \
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182 } \
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183 \
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184 if (TARGET_SECURE_PLT != secure_plt) \
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185 { \
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186 error ("-msecure-plt not supported by your assembler"); \
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187 } \
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188 \
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189 if (flag_pic > 1 && DEFAULT_ABI == ABI_V4) \
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190 { \
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191 /* Note: flag_pic should not change any option flags that would \
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192 be invalid with or pessimise -fno-PIC code. LTO turns off \
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193 flag_pic when linking/recompiling a fixed position executable. \
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194 However, if the objects were originally compiled with -fPIC, \
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195 then other target options forced on here by -fPIC are restored \
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196 when recompiling those objects without -fPIC. In particular \
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197 TARGET_RELOCATABLE must not be enabled here by flag_pic. */ \
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198 rs6000_isa_flags |= OPTION_MASK_MINIMAL_TOC; \
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199 TARGET_NO_FP_IN_TOC = 1; \
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200 } \
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201 \
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202 if (TARGET_RELOCATABLE) \
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203 { \
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204 if (!flag_pic) \
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205 flag_pic = 2; \
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206 TARGET_NO_FP_IN_TOC = 1; \
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207 } \
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208 } while (0)
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209
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210 #ifndef RS6000_BI_ARCH
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211 # define SUBSUBTARGET_OVERRIDE_OPTIONS \
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212 do { \
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213 if ((TARGET_DEFAULT ^ rs6000_isa_flags) & OPTION_MASK_64BIT) \
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214 error ("-m%s not supported in this configuration", \
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215 (rs6000_isa_flags & OPTION_MASK_64BIT) ? "64" : "32"); \
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216 } while (0)
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217 #endif
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218
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219 /* Override rs6000.h definition. */
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220 #undef TARGET_DEFAULT
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221 #define TARGET_DEFAULT 0
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222
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223 /* Override rs6000.h definition. */
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224 #undef PROCESSOR_DEFAULT
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225 #define PROCESSOR_DEFAULT PROCESSOR_PPC750
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226
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227 #define FIXED_R2 1
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228 /* System V.4 uses register 13 as a pointer to the small data area,
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229 so it is not available to the normal user. */
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230 #define FIXED_R13 1
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231
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232 /* Override default big endianism definitions in rs6000.h. */
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233 #undef BYTES_BIG_ENDIAN
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234 #undef WORDS_BIG_ENDIAN
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235 #define BYTES_BIG_ENDIAN (TARGET_BIG_ENDIAN)
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236 #define WORDS_BIG_ENDIAN (TARGET_BIG_ENDIAN)
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237
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238 /* Put jump tables in read-only memory, rather than in .text. */
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239 #define JUMP_TABLES_IN_TEXT_SECTION 0
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240
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241 /* Prefix and suffix to use to saving floating point. */
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242 #define SAVE_FP_PREFIX "_savefpr_"
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243 #define SAVE_FP_SUFFIX ""
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244
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245 /* Prefix and suffix to use to restoring floating point. */
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246 #define RESTORE_FP_PREFIX "_restfpr_"
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247 #define RESTORE_FP_SUFFIX ""
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248
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249 /* Type used for size_t, as a string used in a declaration. */
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250 #undef SIZE_TYPE
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251 #define SIZE_TYPE "unsigned int"
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252
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253 /* Type used for ptrdiff_t, as a string used in a declaration. */
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254 #define PTRDIFF_TYPE "int"
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255
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256 #undef WCHAR_TYPE
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257 #define WCHAR_TYPE "long int"
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258
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259 #undef WCHAR_TYPE_SIZE
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260 #define WCHAR_TYPE_SIZE 32
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261
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262 /* Make int foo : 8 not cause structures to be aligned to an int boundary. */
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263 /* Override elfos.h definition. */
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264 #undef PCC_BITFIELD_TYPE_MATTERS
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265 #define PCC_BITFIELD_TYPE_MATTERS (TARGET_BITFIELD_TYPE)
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266
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267 #undef BITFIELD_NBYTES_LIMITED
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268 #define BITFIELD_NBYTES_LIMITED (TARGET_NO_BITFIELD_WORD)
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269
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270 /* Define this macro to be the value 1 if instructions will fail to
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271 work if given data not on the nominal alignment. If instructions
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272 will merely go slower in that case, define this macro as 0. */
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273 #undef STRICT_ALIGNMENT
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274 #define STRICT_ALIGNMENT (TARGET_STRICT_ALIGN)
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275
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276 /* Define this macro if you wish to preserve a certain alignment for
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277 the stack pointer, greater than what the hardware enforces. The
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278 definition is a C expression for the desired alignment (measured
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279 in bits). This macro must evaluate to a value equal to or larger
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280 than STACK_BOUNDARY.
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281 For the SYSV ABI and variants the alignment of the stack pointer
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282 is usually controlled manually in rs6000.c. However, to maintain
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283 alignment across alloca () in all circumstances,
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284 PREFERRED_STACK_BOUNDARY needs to be set as well.
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285 This has the additional advantage of allowing a bigger maximum
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286 alignment of user objects on the stack. */
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287
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288 #undef PREFERRED_STACK_BOUNDARY
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289 #define PREFERRED_STACK_BOUNDARY 128
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290
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291 /* Real stack boundary as mandated by the appropriate ABI. */
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292 #define ABI_STACK_BOUNDARY \
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293 ((TARGET_EABI && !TARGET_ALTIVEC && !TARGET_ALTIVEC_ABI) ? 64 : 128)
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294
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295 /* An expression for the alignment of a structure field FIELD if the
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296 alignment computed in the usual way is COMPUTED. */
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297 #define ADJUST_FIELD_ALIGN(FIELD, TYPE, COMPUTED) \
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298 (rs6000_special_adjust_field_align_p ((TYPE), (COMPUTED)) \
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299 ? 128 : COMPUTED)
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300
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301 #undef BIGGEST_FIELD_ALIGNMENT
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302
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303 /* Use ELF style section commands. */
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304
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305 #define TEXT_SECTION_ASM_OP "\t.section\t\".text\""
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306
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307 #define DATA_SECTION_ASM_OP "\t.section\t\".data\""
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308
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309 #define BSS_SECTION_ASM_OP "\t.section\t\".bss\""
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310
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311 /* Override elfos.h definition. */
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312 #undef INIT_SECTION_ASM_OP
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313 #define INIT_SECTION_ASM_OP "\t.section\t\".init\",\"ax\""
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314
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315 /* Override elfos.h definition. */
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316 #undef FINI_SECTION_ASM_OP
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317 #define FINI_SECTION_ASM_OP "\t.section\t\".fini\",\"ax\""
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318
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319 #define TOC_SECTION_ASM_OP "\t.section\t\".got\",\"aw\""
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320
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321 /* Put PC relative got entries in .got2. */
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322 #define MINIMAL_TOC_SECTION_ASM_OP \
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323 (flag_pic ? "\t.section\t\".got2\",\"aw\"" : "\t.section\t\".got1\",\"aw\"")
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324
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325 #define SDATA_SECTION_ASM_OP "\t.section\t\".sdata\",\"aw\""
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326 #define SDATA2_SECTION_ASM_OP "\t.section\t\".sdata2\",\"a\""
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327 #define SBSS_SECTION_ASM_OP "\t.section\t\".sbss\",\"aw\",@nobits"
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328
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329 /* Override default elf definitions. */
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330 #define TARGET_ASM_INIT_SECTIONS rs6000_elf_asm_init_sections
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331 #undef TARGET_ASM_RELOC_RW_MASK
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332 #define TARGET_ASM_RELOC_RW_MASK rs6000_elf_reloc_rw_mask
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333 #undef TARGET_ASM_SELECT_RTX_SECTION
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334 #define TARGET_ASM_SELECT_RTX_SECTION rs6000_elf_select_rtx_section
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335
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336 /* Return nonzero if this entry is to be written into the constant pool
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337 in a special way. We do so if this is a SYMBOL_REF, LABEL_REF or a CONST
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338 containing one of them. If -mfp-in-toc (the default), we also do
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339 this for floating-point constants. We actually can only do this
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340 if the FP formats of the target and host machines are the same, but
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341 we can't check that since not every file that uses these target macros
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342 includes real.h.
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343
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344 Unlike AIX, we don't key off of -mminimal-toc, but instead do not
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345 allow floating point constants in the TOC if -mrelocatable. */
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346
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347 #undef ASM_OUTPUT_SPECIAL_POOL_ENTRY_P
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348 #define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE) \
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349 (TARGET_TOC \
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350 && (GET_CODE (X) == SYMBOL_REF \
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351 || (GET_CODE (X) == CONST && GET_CODE (XEXP (X, 0)) == PLUS \
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352 && GET_CODE (XEXP (XEXP (X, 0), 0)) == SYMBOL_REF) \
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353 || GET_CODE (X) == LABEL_REF \
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354 || (GET_CODE (X) == CONST_INT \
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355 && GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode)) \
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356 || (!TARGET_NO_FP_IN_TOC \
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357 && GET_CODE (X) == CONST_DOUBLE \
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358 && SCALAR_FLOAT_MODE_P (GET_MODE (X)) \
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359 && BITS_PER_WORD == HOST_BITS_PER_INT)))
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360
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|
361 /* These macros generate the special .type and .size directives which
|
|
|
362 are used to set the corresponding fields of the linker symbol table
|
|
|
363 entries in an ELF object file under SVR4. These macros also output
|
|
|
364 the starting labels for the relevant functions/objects. */
|
|
|
365
|
|
|
366 /* Write the extra assembler code needed to declare a function properly.
|
|
|
367 Some svr4 assemblers need to also have something extra said about the
|
|
|
368 function's return value. We allow for that here. */
|
|
|
369
|
|
|
370 /* Override elfos.h definition. */
|
|
|
371 #undef ASM_DECLARE_FUNCTION_NAME
|
|
|
372 #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
|
|
|
373 rs6000_elf_declare_function_name ((FILE), (NAME), (DECL))
|
|
|
374
|
|
|
375 /* The USER_LABEL_PREFIX stuff is affected by the -fleading-underscore
|
|
|
376 flag. The LOCAL_LABEL_PREFIX variable is used by dbxelf.h. */
|
|
|
377
|
|
|
378 #define LOCAL_LABEL_PREFIX "."
|
|
|
379 #define USER_LABEL_PREFIX ""
|
|
|
380
|
|
|
381 #define ASM_OUTPUT_INTERNAL_LABEL_PREFIX(FILE,PREFIX) \
|
|
|
382 asm_fprintf (FILE, "%L%s", PREFIX)
|
|
|
383
|
|
|
384 /* Globalizing directive for a label. */
|
|
|
385 #define GLOBAL_ASM_OP "\t.globl "
|
|
|
386
|
|
|
387 /* This says how to output assembler code to declare an
|
|
|
388 uninitialized internal linkage data object. Under SVR4,
|
|
|
389 the linker seems to want the alignment of data objects
|
|
|
390 to depend on their types. We do exactly that here. */
|
|
|
391
|
|
|
392 #define LOCAL_ASM_OP "\t.local\t"
|
|
|
393
|
|
|
394 #define LCOMM_ASM_OP "\t.lcomm\t"
|
|
|
395
|
|
|
396 /* Describe how to emit uninitialized local items. */
|
|
|
397 #define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \
|
|
|
398 do { \
|
|
|
399 if ((DECL) && rs6000_elf_in_small_data_p (DECL)) \
|
|
|
400 { \
|
|
|
401 switch_to_section (sbss_section); \
|
|
|
402 ASM_OUTPUT_ALIGN (FILE, exact_log2 (ALIGN / BITS_PER_UNIT)); \
|
|
|
403 ASM_OUTPUT_LABEL (FILE, NAME); \
|
|
|
404 ASM_OUTPUT_SKIP (FILE, SIZE); \
|
|
|
405 if (!flag_inhibit_size_directive && (SIZE) > 0) \
|
|
|
406 ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, SIZE); \
|
|
|
407 } \
|
|
|
408 else \
|
|
|
409 { \
|
|
|
410 fprintf (FILE, "%s", LCOMM_ASM_OP); \
|
|
|
411 assemble_name ((FILE), (NAME)); \
|
|
|
412 fprintf ((FILE), "," HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \
|
|
|
413 (SIZE), (ALIGN) / BITS_PER_UNIT); \
|
|
|
414 } \
|
|
|
415 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \
|
|
|
416 } while (0)
|
|
|
417
|
|
|
418 /* Describe how to emit uninitialized external linkage items. */
|
|
|
419 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
|
|
|
420 do { \
|
|
|
421 ASM_OUTPUT_ALIGNED_DECL_LOCAL (FILE, DECL, NAME, SIZE, ALIGN); \
|
|
|
422 } while (0)
|
|
|
423
|
|
|
424 #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
|
|
|
425 /* To support -falign-* switches we need to use .p2align so
|
|
|
426 that alignment directives in code sections will be padded
|
|
|
427 with no-op instructions, rather than zeroes. */
|
|
|
428 #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
|
|
|
429 if ((LOG) != 0) \
|
|
|
430 { \
|
|
|
431 if ((MAX_SKIP) == 0) \
|
|
|
432 fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
|
|
|
433 else \
|
|
|
434 fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
|
|
|
435 }
|
|
|
436 #endif
|
|
|
437
|
|
|
438 /* This is how to output code to push a register on the stack.
|
|
|
439 It need not be very fast code.
|
|
|
440
|
|
|
441 On the rs6000, we must keep the backchain up to date. In order
|
|
|
442 to simplify things, always allocate 16 bytes for a push (System V
|
|
|
443 wants to keep stack aligned to a 16 byte boundary). */
|
|
|
444
|
|
|
445 #define ASM_OUTPUT_REG_PUSH(FILE, REGNO) \
|
|
|
446 do { \
|
|
|
447 if (DEFAULT_ABI == ABI_V4) \
|
|
|
448 asm_fprintf (FILE, \
|
|
|
449 "\tstwu %s,-16(%s)\n\tstw %s,12(%s)\n", \
|
|
|
450 reg_names[1], reg_names[1], reg_names[REGNO], \
|
|
|
451 reg_names[1]); \
|
|
|
452 } while (0)
|
|
|
453
|
|
|
454 /* This is how to output an insn to pop a register from the stack.
|
|
|
455 It need not be very fast code. */
|
|
|
456
|
|
|
457 #define ASM_OUTPUT_REG_POP(FILE, REGNO) \
|
|
|
458 do { \
|
|
|
459 if (DEFAULT_ABI == ABI_V4) \
|
|
|
460 asm_fprintf (FILE, \
|
|
|
461 "\tlwz %s,12(%s)\n\taddi %s,%s,16\n", \
|
|
|
462 reg_names[REGNO], reg_names[1], reg_names[1], \
|
|
|
463 reg_names[1]); \
|
|
|
464 } while (0)
|
|
|
465
|
|
|
466 extern int fixuplabelno;
|
|
|
467
|
|
|
468 /* Handle constructors specially for -mrelocatable. */
|
|
|
469 #define TARGET_ASM_CONSTRUCTOR rs6000_elf_asm_out_constructor
|
|
|
470 #define TARGET_ASM_DESTRUCTOR rs6000_elf_asm_out_destructor
|
|
|
471
|
|
|
472 /* This is the end of what might become sysv4.h. */
|
|
|
473
|
|
|
474 /* Use DWARF 2 debugging information by default. */
|
|
|
475 #undef PREFERRED_DEBUGGING_TYPE
|
|
|
476 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
|
|
|
477
|
|
|
478 /* Historically we have also supported stabs debugging. */
|
|
|
479 #define DBX_DEBUGGING_INFO 1
|
|
|
480
|
|
|
481 #define TARGET_ENCODE_SECTION_INFO rs6000_elf_encode_section_info
|
|
|
482 #define TARGET_IN_SMALL_DATA_P rs6000_elf_in_small_data_p
|
|
|
483
|
|
|
484 /* The ELF version doesn't encode [DS] or whatever at the end of symbols. */
|
|
|
485
|
|
|
486 #define RS6000_OUTPUT_BASENAME(FILE, NAME) \
|
|
|
487 assemble_name (FILE, NAME)
|
|
|
488
|
|
|
489 /* We have to output the stabs for the function name *first*, before
|
|
|
490 outputting its label. */
|
|
|
491
|
|
|
492 #define DBX_FUNCTION_FIRST
|
|
|
493
|
|
|
494 /* This is the end of what might become sysv4dbx.h. */
|
|
|
495
|
|
|
496 #define TARGET_OS_SYSV_CPP_BUILTINS() \
|
|
|
497 do \
|
|
|
498 { \
|
|
|
499 if (rs6000_isa_flags_explicit \
|
|
|
500 & OPTION_MASK_RELOCATABLE) \
|
|
|
501 builtin_define ("_RELOCATABLE"); \
|
|
|
502 } \
|
|
|
503 while (0)
|
|
|
504
|
|
|
505 #ifndef TARGET_OS_CPP_BUILTINS
|
|
|
506 #define TARGET_OS_CPP_BUILTINS() \
|
|
|
507 do \
|
|
|
508 { \
|
|
|
509 builtin_define_std ("PPC"); \
|
|
|
510 builtin_define_std ("unix"); \
|
|
|
511 builtin_define ("__svr4__"); \
|
|
|
512 builtin_assert ("system=unix"); \
|
|
|
513 builtin_assert ("system=svr4"); \
|
|
|
514 builtin_assert ("cpu=powerpc"); \
|
|
|
515 builtin_assert ("machine=powerpc"); \
|
|
|
516 TARGET_OS_SYSV_CPP_BUILTINS (); \
|
|
|
517 } \
|
|
|
518 while (0)
|
|
|
519 #endif
|
|
|
520
|
|
|
521 /* Select one of BIG_OPT, LITTLE_OPT or DEFAULT_OPT depending
|
|
|
522 on various -mbig, -mlittle and -mcall- options. */
|
|
|
523 #define ENDIAN_SELECT(BIG_OPT, LITTLE_OPT, DEFAULT_OPT) \
|
|
|
524 "%{mlittle|mlittle-endian:" LITTLE_OPT ";" \
|
|
|
525 "mbig|mbig-endian:" BIG_OPT ";" \
|
|
|
526 "mcall-i960-old:" LITTLE_OPT ";" \
|
|
|
527 ":" DEFAULT_OPT "}"
|
|
|
528
|
|
|
529 #define DEFAULT_ASM_ENDIAN " -mbig"
|
|
|
530
|
|
|
531 #undef ASM_SPEC
|
|
|
532 #define ASM_SPEC "%(asm_cpu) \
|
|
|
533 %{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}} \
|
|
|
534 %{mrelocatable} %{mrelocatable-lib} %{" FPIE_OR_FPIC_SPEC ":-K PIC} \
|
|
|
535 %{memb|msdata=eabi: -memb}" \
|
|
|
536 ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
|
|
|
537
|
|
|
538 #ifndef CC1_SECURE_PLT_DEFAULT_SPEC
|
|
|
539 #define CC1_SECURE_PLT_DEFAULT_SPEC ""
|
|
|
540 #endif
|
|
|
541 #ifndef LINK_SECURE_PLT_DEFAULT_SPEC
|
|
|
542 #define LINK_SECURE_PLT_DEFAULT_SPEC ""
|
|
|
543 #endif
|
|
|
544
|
|
|
545 /* Pass -G xxx to the compiler. */
|
|
|
546 #undef CC1_SPEC
|
|
|
547 #define CC1_SPEC "%{G*} %(cc1_cpu)" \
|
|
|
548 "%{meabi: %{!mcall-*: -mcall-sysv }} \
|
|
|
549 %{!meabi: %{!mno-eabi: \
|
|
|
550 %{mrelocatable: -meabi } \
|
|
|
551 %{mcall-freebsd: -mno-eabi } \
|
|
|
552 %{mcall-i960-old: -meabi } \
|
|
|
553 %{mcall-linux: -mno-eabi } \
|
|
|
554 %{mcall-netbsd: -mno-eabi } \
|
|
|
555 %{mcall-openbsd: -mno-eabi }}} \
|
|
|
556 %{msdata: -msdata=default} \
|
|
|
557 %{mno-sdata: -msdata=none} \
|
|
|
558 %{!mbss-plt: %{!msecure-plt: %(cc1_secure_plt_default)}} \
|
|
|
559 %{profile: -p}"
|
|
|
560
|
|
|
561 /* Default starting address if specified. */
|
|
|
562 #define LINK_START_SPEC "\
|
|
|
563 %{mads : %(link_start_ads) ; \
|
|
|
564 myellowknife : %(link_start_yellowknife) ; \
|
|
|
565 mmvme : %(link_start_mvme) ; \
|
|
|
566 msim : %(link_start_sim) ; \
|
|
|
567 mcall-freebsd: %(link_start_freebsd) ; \
|
|
|
568 mcall-linux : %(link_start_linux) ; \
|
|
|
569 mcall-netbsd : %(link_start_netbsd) ; \
|
|
|
570 mcall-openbsd: %(link_start_openbsd) ; \
|
|
|
571 : %(link_start_default) }"
|
|
|
572
|
|
|
573 #define LINK_START_DEFAULT_SPEC ""
|
|
|
574 #define LINK_SECURE_PLT_SPEC LINK_SECURE_PLT_DEFAULT_SPEC
|
|
|
575
|
|
|
576 #undef LINK_SPEC
|
|
|
577 #define LINK_SPEC "\
|
|
|
578 %{h*} %{v:-V} %{!msdata=none:%{G*}} %{msdata=none:-G0} \
|
|
|
579 %{R*} \
|
|
|
580 %(link_shlib) \
|
|
|
581 %{!T*: %(link_start) } \
|
|
|
582 %{!static: %{!mbss-plt: %(link_secure_plt)}} \
|
|
|
583 %(link_os)"
|
|
|
584
|
|
|
585 /* Shared libraries are not default. */
|
|
|
586 #define LINK_SHLIB_SPEC "\
|
|
|
587 %{!mshlib: %{!shared: %{!symbolic: -dn -Bstatic}}} \
|
|
|
588 %{static: } \
|
|
|
589 %{shared:-G -dy -z text } \
|
|
|
590 %{symbolic:-Bsymbolic -G -dy -z text }"
|
|
|
591
|
|
|
592 /* Any specific OS flags. */
|
|
|
593 #define LINK_OS_SPEC "\
|
|
|
594 %{mads : %(link_os_ads) ; \
|
|
|
595 myellowknife : %(link_os_yellowknife) ; \
|
|
|
596 mmvme : %(link_os_mvme) ; \
|
|
|
597 msim : %(link_os_sim) ; \
|
|
|
598 mcall-freebsd: %(link_os_freebsd) ; \
|
|
|
599 mcall-linux : %(link_os_linux) ; \
|
|
|
600 mcall-netbsd : %(link_os_netbsd) ; \
|
|
|
601 mcall-openbsd: %(link_os_openbsd) ; \
|
|
|
602 : %(link_os_default) }"
|
|
|
603
|
|
|
604 #define LINK_OS_DEFAULT_SPEC ""
|
|
|
605
|
|
|
606 #define DRIVER_SELF_SPECS "%{mfpu=none: %<mfpu=* \
|
|
|
607 %<msingle-float %<mdouble-float}"
|
|
|
608
|
|
|
609 /* Override rs6000.h definition. */
|
|
|
610 #undef CPP_SPEC
|
|
|
611 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \
|
|
|
612 %{mads : %(cpp_os_ads) ; \
|
|
|
613 myellowknife : %(cpp_os_yellowknife) ; \
|
|
|
614 mmvme : %(cpp_os_mvme) ; \
|
|
|
615 msim : %(cpp_os_sim) ; \
|
|
|
616 mcall-freebsd: %(cpp_os_freebsd) ; \
|
|
|
617 mcall-linux : %(cpp_os_linux) ; \
|
|
|
618 mcall-netbsd : %(cpp_os_netbsd) ; \
|
|
|
619 mcall-openbsd: %(cpp_os_openbsd) ; \
|
|
|
620 : %(cpp_os_default) }"
|
|
|
621
|
|
|
622 #define CPP_OS_DEFAULT_SPEC ""
|
|
|
623
|
|
|
624 #undef STARTFILE_SPEC
|
|
|
625 #define STARTFILE_SPEC "\
|
|
|
626 %{mads : %(startfile_ads) ; \
|
|
|
627 myellowknife : %(startfile_yellowknife) ; \
|
|
|
628 mmvme : %(startfile_mvme) ; \
|
|
|
629 msim : %(startfile_sim) ; \
|
|
|
630 mcall-freebsd: %(startfile_freebsd) ; \
|
|
|
631 mcall-linux : %(startfile_linux) ; \
|
|
|
632 mcall-netbsd : %(startfile_netbsd) ; \
|
|
|
633 mcall-openbsd: %(startfile_openbsd) ; \
|
|
|
634 : %(startfile_default) }"
|
|
|
635
|
|
|
636 #define STARTFILE_DEFAULT_SPEC "ecrti.o%s crtbegin.o%s"
|
|
|
637
|
|
|
638 #undef LIB_SPEC
|
|
|
639 #define LIB_SPEC "\
|
|
|
640 %{mads : %(lib_ads) ; \
|
|
|
641 myellowknife : %(lib_yellowknife) ; \
|
|
|
642 mmvme : %(lib_mvme) ; \
|
|
|
643 msim : %(lib_sim) ; \
|
|
|
644 mcall-freebsd: %(lib_freebsd) ; \
|
|
|
645 mcall-linux : %(lib_linux) ; \
|
|
|
646 mcall-netbsd : %(lib_netbsd) ; \
|
|
|
647 mcall-openbsd: %(lib_openbsd) ; \
|
|
|
648 : %(lib_default) }"
|
|
|
649
|
|
|
650 #define LIB_DEFAULT_SPEC "-lc"
|
|
|
651
|
|
|
652 #undef ENDFILE_SPEC
|
|
|
653 #define ENDFILE_SPEC "\
|
|
|
654 %{mads : %(endfile_ads) ; \
|
|
|
655 myellowknife : %(endfile_yellowknife) ; \
|
|
|
656 mmvme : %(endfile_mvme) ; \
|
|
|
657 msim : %(endfile_sim) ; \
|
|
|
658 mcall-freebsd: %(endfile_freebsd) ; \
|
|
|
659 mcall-linux : %(endfile_linux) ; \
|
|
|
660 mcall-netbsd : %(endfile_netbsd) ; \
|
|
|
661 mcall-openbsd: %(endfile_openbsd) ; \
|
|
|
662 : %(crtsavres_default) %(endfile_default) }"
|
|
|
663
|
|
|
664 #define CRTSAVRES_DEFAULT_SPEC ""
|
|
|
665
|
|
|
666 #define ENDFILE_DEFAULT_SPEC "crtend.o%s ecrtn.o%s"
|
|
|
667
|
|
|
668 /* Motorola ADS support. */
|
|
|
669 #define LIB_ADS_SPEC "--start-group -lads -lc --end-group"
|
|
|
670
|
|
|
671 #define STARTFILE_ADS_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
|
|
|
672
|
|
|
673 #define ENDFILE_ADS_SPEC "crtend.o%s ecrtn.o%s"
|
|
|
674
|
|
|
675 #define LINK_START_ADS_SPEC "-T ads.ld%s"
|
|
|
676
|
|
|
677 #define LINK_OS_ADS_SPEC ""
|
|
|
678
|
|
|
679 #define CPP_OS_ADS_SPEC ""
|
|
|
680
|
|
|
681 /* Motorola Yellowknife support. */
|
|
|
682 #define LIB_YELLOWKNIFE_SPEC "--start-group -lyk -lc --end-group"
|
|
|
683
|
|
|
684 #define STARTFILE_YELLOWKNIFE_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
|
|
|
685
|
|
|
686 #define ENDFILE_YELLOWKNIFE_SPEC "crtend.o%s ecrtn.o%s"
|
|
|
687
|
|
|
688 #define LINK_START_YELLOWKNIFE_SPEC "-T yellowknife.ld%s"
|
|
|
689
|
|
|
690 #define LINK_OS_YELLOWKNIFE_SPEC ""
|
|
|
691
|
|
|
692 #define CPP_OS_YELLOWKNIFE_SPEC ""
|
|
|
693
|
|
|
694 /* Motorola MVME support. */
|
|
|
695 #define LIB_MVME_SPEC "--start-group -lmvme -lc --end-group"
|
|
|
696
|
|
|
697 #define STARTFILE_MVME_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
|
|
|
698
|
|
|
699 #define ENDFILE_MVME_SPEC "crtend.o%s ecrtn.o%s"
|
|
|
700
|
|
|
701 #define LINK_START_MVME_SPEC "-Ttext 0x40000"
|
|
|
702
|
|
|
703 #define LINK_OS_MVME_SPEC ""
|
|
|
704
|
|
|
705 #define CPP_OS_MVME_SPEC ""
|
|
|
706
|
|
|
707 /* PowerPC simulator based on netbsd system calls support. */
|
|
|
708 #define LIB_SIM_SPEC "--start-group -lsim -lc --end-group"
|
|
|
709
|
|
|
710 #define STARTFILE_SIM_SPEC "ecrti.o%s sim-crt0.o%s crtbegin.o%s"
|
|
|
711
|
|
|
712 #define ENDFILE_SIM_SPEC "crtend.o%s ecrtn.o%s"
|
|
|
713
|
|
|
714 #define LINK_START_SIM_SPEC ""
|
|
|
715
|
|
|
716 #define LINK_OS_SIM_SPEC "-m elf32ppcsim"
|
|
|
717
|
|
|
718 #define CPP_OS_SIM_SPEC ""
|
|
|
719
|
|
|
720 /* FreeBSD support. */
|
|
|
721
|
|
|
722 #define CPP_OS_FREEBSD_SPEC "\
|
|
|
723 -D__PPC__ -D__ppc__ -D__PowerPC__ -D__powerpc__ \
|
|
|
724 -Acpu=powerpc -Amachine=powerpc"
|
|
|
725
|
|
|
726 #define STARTFILE_FREEBSD_SPEC FBSD_STARTFILE_SPEC
|
|
|
727 #define ENDFILE_FREEBSD_SPEC FBSD_ENDFILE_SPEC
|
|
|
728 #define LIB_FREEBSD_SPEC FBSD_LIB_SPEC
|
|
|
729 #define LINK_START_FREEBSD_SPEC ""
|
|
|
730
|
|
|
731 #define LINK_OS_FREEBSD_SPEC "\
|
|
|
732 %{p:%nconsider using '-pg' instead of '-p' with gprof(1)} \
|
|
|
733 %{v:-V} \
|
|
|
734 %{assert*} %{R*} %{rpath*} %{defsym*} \
|
|
|
735 %{shared:-Bshareable %{h*} %{soname*}} \
|
|
|
736 %{!shared: \
|
|
|
737 %{!static: \
|
|
|
738 %{rdynamic: -export-dynamic} \
|
|
|
739 -dynamic-linker %(fbsd_dynamic_linker) } \
|
|
|
740 %{static:-Bstatic}} \
|
|
|
741 %{symbolic:-Bsymbolic}"
|
|
|
742
|
|
|
743 /* GNU/Linux support. */
|
|
|
744 #define LIB_LINUX_SPEC "%{mnewlib: --start-group -llinux -lc --end-group } \
|
|
|
745 %{!mnewlib: %{pthread:-lpthread} %{shared:-lc} \
|
|
|
746 %{!shared: %{profile:-lc_p} %{!profile:-lc}}}"
|
|
|
747
|
|
|
748 #if ENABLE_OFFLOADING == 1
|
|
|
749 #define CRTOFFLOADBEGIN "%{fopenacc|fopenmp:crtoffloadbegin%O%s}"
|
|
|
750 #define CRTOFFLOADEND "%{fopenacc|fopenmp:crtoffloadend%O%s}"
|
|
|
751 #else
|
|
|
752 #define CRTOFFLOADBEGIN ""
|
|
|
753 #define CRTOFFLOADEND ""
|
|
|
754 #endif
|
|
|
755
|
|
|
756 #ifdef HAVE_LD_PIE
|
|
|
757 #define STARTFILE_LINUX_SPEC "\
|
|
|
758 %{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
|
|
|
759 %{mnewlib:ecrti.o%s;:crti.o%s} \
|
|
|
760 %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s} \
|
|
|
761 " CRTOFFLOADBEGIN
|
|
|
762 #else
|
|
|
763 #define STARTFILE_LINUX_SPEC "\
|
|
|
764 %{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \
|
|
|
765 %{mnewlib:ecrti.o%s;:crti.o%s} \
|
|
|
766 %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s} \
|
|
|
767 " CRTOFFLOADBEGIN
|
|
|
768 #endif
|
|
|
769
|
|
|
770 #define ENDFILE_LINUX_SPEC "\
|
|
|
771 %{shared|pie:crtendS.o%s;:crtend.o%s} \
|
|
|
772 %{mnewlib:ecrtn.o%s;:crtn.o%s} \
|
|
|
773 " CRTOFFLOADEND
|
|
|
774
|
|
|
775 #define LINK_START_LINUX_SPEC ""
|
|
|
776
|
|
|
777 #define MUSL_DYNAMIC_LINKER_E ENDIAN_SELECT("","le","")
|
|
|
778
|
|
|
779 #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
|
|
|
780 #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
|
|
|
781 #define MUSL_DYNAMIC_LINKER \
|
|
|
782 "/lib/ld-musl-powerpc" MUSL_DYNAMIC_LINKER_E "%{msoft-float:-sf}.so.1"
|
|
|
783 #if DEFAULT_LIBC == LIBC_UCLIBC
|
|
|
784 #define CHOOSE_DYNAMIC_LINKER(G, U, M) \
|
|
|
785 "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}"
|
|
|
786 #elif DEFAULT_LIBC == LIBC_MUSL
|
|
|
787 #define CHOOSE_DYNAMIC_LINKER(G, U, M) \
|
|
|
788 "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}"
|
|
|
789 #elif !defined (DEFAULT_LIBC) || DEFAULT_LIBC == LIBC_GLIBC
|
|
|
790 #define CHOOSE_DYNAMIC_LINKER(G, U, M) \
|
|
|
791 "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}"
|
|
|
792 #else
|
|
|
793 #error "Unsupported DEFAULT_LIBC"
|
|
|
794 #endif
|
|
|
795 #define GNU_USER_DYNAMIC_LINKER \
|
|
|
796 CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, \
|
|
|
797 MUSL_DYNAMIC_LINKER)
|
|
|
798
|
|
|
799 #define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
|
|
|
800 %{rdynamic:-export-dynamic} \
|
|
|
801 -dynamic-linker " GNU_USER_DYNAMIC_LINKER "}}"
|
|
|
802
|
|
|
803 #if defined(HAVE_LD_EH_FRAME_HDR)
|
|
|
804 # define LINK_EH_SPEC "%{!static|static-pie:--eh-frame-hdr} "
|
|
|
805 #endif
|
|
|
806
|
|
|
807 #define CPP_OS_LINUX_SPEC "-D__unix__ -D__gnu_linux__ -D__linux__ \
|
|
|
808 %{!undef: \
|
|
|
809 %{!ansi: \
|
|
|
810 %{!std=*:-Dunix -D__unix -Dlinux -D__linux} \
|
|
|
811 %{std=gnu*:-Dunix -D__unix -Dlinux -D__linux}}} \
|
|
|
812 -Asystem=linux -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}"
|
|
|
813
|
|
|
814 /* NetBSD support. */
|
|
|
815 #define LIB_NETBSD_SPEC "\
|
|
|
816 -lc"
|
|
|
817
|
|
|
818 #define STARTFILE_NETBSD_SPEC "\
|
|
|
819 ncrti.o%s crt0.o%s \
|
|
|
820 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
|
|
|
821
|
|
|
822 #define ENDFILE_NETBSD_SPEC "\
|
|
|
823 %{!shared:crtend.o%s} %{shared:crtendS.o%s} \
|
|
|
824 ncrtn.o%s"
|
|
|
825
|
|
|
826 #define LINK_START_NETBSD_SPEC "\
|
|
|
827 "
|
|
|
828
|
|
|
829 #define LINK_OS_NETBSD_SPEC "\
|
|
|
830 %{!shared: %{!static: \
|
|
|
831 %{rdynamic:-export-dynamic} \
|
|
|
832 -dynamic-linker /usr/libexec/ld.elf_so}}"
|
|
|
833
|
|
|
834 #define CPP_OS_NETBSD_SPEC "\
|
|
|
835 -D__powerpc__ -D__NetBSD__ -D__KPRINTF_ATTRIBUTE__"
|
|
|
836
|
|
|
837 /* OpenBSD support. */
|
|
|
838 #ifndef LIB_OPENBSD_SPEC
|
|
|
839 #define LIB_OPENBSD_SPEC "%{!shared:%{pthread:-lpthread%{p:_p}%{!p:%{pg:_p}}}} %{!shared:-lc%{p:_p}%{!p:%{pg:_p}}}"
|
|
|
840 #endif
|
|
|
841
|
|
|
842 #ifndef STARTFILE_OPENBSD_SPEC
|
|
|
843 #define STARTFILE_OPENBSD_SPEC "\
|
|
|
844 %{!shared: %{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}}} \
|
|
|
845 %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
|
|
|
846 #endif
|
|
|
847
|
|
|
848 #ifndef ENDFILE_OPENBSD_SPEC
|
|
|
849 #define ENDFILE_OPENBSD_SPEC "\
|
|
|
850 %{!shared:crtend.o%s} %{shared:crtendS.o%s}"
|
|
|
851 #endif
|
|
|
852
|
|
|
853 #ifndef LINK_START_OPENBSD_SPEC
|
|
|
854 #define LINK_START_OPENBSD_SPEC "-Ttext 0x400074"
|
|
|
855 #endif
|
|
|
856
|
|
|
857 #ifndef LINK_OS_OPENBSD_SPEC
|
|
|
858 #define LINK_OS_OPENBSD_SPEC ""
|
|
|
859 #endif
|
|
|
860
|
|
|
861 #ifndef CPP_OS_OPENBSD_SPEC
|
|
|
862 #define CPP_OS_OPENBSD_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}"
|
|
|
863 #endif
|
|
|
864
|
|
|
865 /* Define any extra SPECS that the compiler needs to generate. */
|
|
|
866 /* Override rs6000.h definition. */
|
|
|
867 #undef SUBTARGET_EXTRA_SPECS
|
|
|
868 #define SUBTARGET_EXTRA_SPECS \
|
|
|
869 { "crtsavres_default", CRTSAVRES_DEFAULT_SPEC }, \
|
|
|
870 { "lib_ads", LIB_ADS_SPEC }, \
|
|
|
871 { "lib_yellowknife", LIB_YELLOWKNIFE_SPEC }, \
|
|
|
872 { "lib_mvme", LIB_MVME_SPEC }, \
|
|
|
873 { "lib_sim", LIB_SIM_SPEC }, \
|
|
|
874 { "lib_freebsd", LIB_FREEBSD_SPEC }, \
|
|
|
875 { "lib_linux", LIB_LINUX_SPEC }, \
|
|
|
876 { "lib_netbsd", LIB_NETBSD_SPEC }, \
|
|
|
877 { "lib_openbsd", LIB_OPENBSD_SPEC }, \
|
|
|
878 { "lib_default", LIB_DEFAULT_SPEC }, \
|
|
|
879 { "startfile_ads", STARTFILE_ADS_SPEC }, \
|
|
|
880 { "startfile_yellowknife", STARTFILE_YELLOWKNIFE_SPEC }, \
|
|
|
881 { "startfile_mvme", STARTFILE_MVME_SPEC }, \
|
|
|
882 { "startfile_sim", STARTFILE_SIM_SPEC }, \
|
|
|
883 { "startfile_freebsd", STARTFILE_FREEBSD_SPEC }, \
|
|
|
884 { "startfile_linux", STARTFILE_LINUX_SPEC }, \
|
|
|
885 { "startfile_netbsd", STARTFILE_NETBSD_SPEC }, \
|
|
|
886 { "startfile_openbsd", STARTFILE_OPENBSD_SPEC }, \
|
|
|
887 { "startfile_default", STARTFILE_DEFAULT_SPEC }, \
|
|
|
888 { "endfile_ads", ENDFILE_ADS_SPEC }, \
|
|
|
889 { "endfile_yellowknife", ENDFILE_YELLOWKNIFE_SPEC }, \
|
|
|
890 { "endfile_mvme", ENDFILE_MVME_SPEC }, \
|
|
|
891 { "endfile_sim", ENDFILE_SIM_SPEC }, \
|
|
|
892 { "endfile_freebsd", ENDFILE_FREEBSD_SPEC }, \
|
|
|
893 { "endfile_linux", ENDFILE_LINUX_SPEC }, \
|
|
|
894 { "endfile_netbsd", ENDFILE_NETBSD_SPEC }, \
|
|
|
895 { "endfile_openbsd", ENDFILE_OPENBSD_SPEC }, \
|
|
|
896 { "endfile_default", ENDFILE_DEFAULT_SPEC }, \
|
|
|
897 { "link_shlib", LINK_SHLIB_SPEC }, \
|
|
|
898 { "link_start", LINK_START_SPEC }, \
|
|
|
899 { "link_start_ads", LINK_START_ADS_SPEC }, \
|
|
|
900 { "link_start_yellowknife", LINK_START_YELLOWKNIFE_SPEC }, \
|
|
|
901 { "link_start_mvme", LINK_START_MVME_SPEC }, \
|
|
|
902 { "link_start_sim", LINK_START_SIM_SPEC }, \
|
|
|
903 { "link_start_freebsd", LINK_START_FREEBSD_SPEC }, \
|
|
|
904 { "link_start_linux", LINK_START_LINUX_SPEC }, \
|
|
|
905 { "link_start_netbsd", LINK_START_NETBSD_SPEC }, \
|
|
|
906 { "link_start_openbsd", LINK_START_OPENBSD_SPEC }, \
|
|
|
907 { "link_start_default", LINK_START_DEFAULT_SPEC }, \
|
|
|
908 { "link_os", LINK_OS_SPEC }, \
|
|
|
909 { "link_os_ads", LINK_OS_ADS_SPEC }, \
|
|
|
910 { "link_os_yellowknife", LINK_OS_YELLOWKNIFE_SPEC }, \
|
|
|
911 { "link_os_mvme", LINK_OS_MVME_SPEC }, \
|
|
|
912 { "link_os_sim", LINK_OS_SIM_SPEC }, \
|
|
|
913 { "link_os_freebsd", LINK_OS_FREEBSD_SPEC }, \
|
|
|
914 { "link_os_linux", LINK_OS_LINUX_SPEC }, \
|
|
|
915 { "link_os_netbsd", LINK_OS_NETBSD_SPEC }, \
|
|
|
916 { "link_os_openbsd", LINK_OS_OPENBSD_SPEC }, \
|
|
|
917 { "link_os_default", LINK_OS_DEFAULT_SPEC }, \
|
|
|
918 { "cc1_secure_plt_default", CC1_SECURE_PLT_DEFAULT_SPEC }, \
|
|
|
919 { "link_secure_plt", LINK_SECURE_PLT_SPEC }, \
|
|
|
920 { "cpp_os_ads", CPP_OS_ADS_SPEC }, \
|
|
|
921 { "cpp_os_yellowknife", CPP_OS_YELLOWKNIFE_SPEC }, \
|
|
|
922 { "cpp_os_mvme", CPP_OS_MVME_SPEC }, \
|
|
|
923 { "cpp_os_sim", CPP_OS_SIM_SPEC }, \
|
|
|
924 { "cpp_os_freebsd", CPP_OS_FREEBSD_SPEC }, \
|
|
|
925 { "cpp_os_linux", CPP_OS_LINUX_SPEC }, \
|
|
|
926 { "cpp_os_netbsd", CPP_OS_NETBSD_SPEC }, \
|
|
|
927 { "cpp_os_openbsd", CPP_OS_OPENBSD_SPEC }, \
|
|
|
928 { "cpp_os_default", CPP_OS_DEFAULT_SPEC }, \
|
|
|
929 { "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }, \
|
|
|
930 SUBSUBTARGET_EXTRA_SPECS
|
|
|
931
|
|
|
932 #define SUBSUBTARGET_EXTRA_SPECS
|
|
|
933
|
|
|
934 /* Define this macro as a C expression for the initializer of an
|
|
|
935 array of string to tell the driver program which options are
|
|
|
936 defaults for this target and thus do not need to be handled
|
|
|
937 specially when using `MULTILIB_OPTIONS'.
|
|
|
938
|
|
|
939 Do not define this macro if `MULTILIB_OPTIONS' is not defined in
|
|
|
940 the target makefile fragment or if none of the options listed in
|
|
|
941 `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */
|
|
|
942
|
|
|
943 #define MULTILIB_DEFAULTS { "mbig", "mcall-sysv" }
|
|
|
944
|
|
|
945 /* Define this macro if the code for function profiling should come
|
|
|
946 before the function prologue. Normally, the profiling code comes
|
|
|
947 after. */
|
|
|
948 #define PROFILE_BEFORE_PROLOGUE 1
|
|
|
949
|
|
|
950 /* Function name to call to do profiling. */
|
|
|
951 #define RS6000_MCOUNT "_mcount"
|
|
|
952
|
|
|
953 /* Select a format to encode pointers in exception handling data. CODE
|
|
|
954 is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is
|
|
|
955 true if the symbol may be affected by dynamic relocations. */
|
|
|
956 #define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) \
|
|
|
957 (flag_pic \
|
|
|
958 ? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel \
|
|
|
959 | DW_EH_PE_sdata4) \
|
|
|
960 : DW_EH_PE_absptr)
|
|
|
961
|
|
|
962 #define DOUBLE_INT_ASM_OP "\t.quad\t"
|
|
|
963
|
|
|
964 /* Generate entries in .fixup for relocatable addresses. */
|
|
|
965 #define RELOCATABLE_NEEDS_FIXUP 1
|
|
|
966
|
|
|
967 #define TARGET_ASM_FILE_END rs6000_elf_file_end
|
|
|
968
|
|
|
969 #undef TARGET_ASAN_SHADOW_OFFSET
|
|
|
970 #define TARGET_ASAN_SHADOW_OFFSET rs6000_asan_shadow_offset
|
|
|
971
|
|
|
972 /* This target uses the sysv4.opt file. */
|
|
|
973 #define TARGET_USES_SYSV4_OPT 1
|
|
|
974
|
|
|
975 /* Include order changes for musl, same as in generic linux.h. */
|
|
|
976 #if DEFAULT_LIBC == LIBC_MUSL
|
|
|
977 #define INCLUDE_DEFAULTS_MUSL_GPP \
|
|
|
978 { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1, \
|
|
|
979 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 }, \
|
|
|
980 { GPLUSPLUS_TOOL_INCLUDE_DIR, "G++", 1, 1, \
|
|
|
981 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 1 }, \
|
|
|
982 { GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1, \
|
|
|
983 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 },
|
|
|
984
|
|
|
985 #ifdef LOCAL_INCLUDE_DIR
|
|
|
986 #define INCLUDE_DEFAULTS_MUSL_LOCAL \
|
|
|
987 { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 2 }, \
|
|
|
988 { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 0 },
|
|
|
989 #else
|
|
|
990 #define INCLUDE_DEFAULTS_MUSL_LOCAL
|
|
|
991 #endif
|
|
|
992
|
|
|
993 #ifdef PREFIX_INCLUDE_DIR
|
|
|
994 #define INCLUDE_DEFAULTS_MUSL_PREFIX \
|
|
|
995 { PREFIX_INCLUDE_DIR, 0, 0, 1, 0, 0},
|
|
|
996 #else
|
|
|
997 #define INCLUDE_DEFAULTS_MUSL_PREFIX
|
|
|
998 #endif
|
|
|
999
|
|
|
1000 #ifdef CROSS_INCLUDE_DIR
|
|
|
1001 #define INCLUDE_DEFAULTS_MUSL_CROSS \
|
|
|
1002 { CROSS_INCLUDE_DIR, "GCC", 0, 0, 0, 0},
|
|
|
1003 #else
|
|
|
1004 #define INCLUDE_DEFAULTS_MUSL_CROSS
|
|
|
1005 #endif
|
|
|
1006
|
|
|
1007 #ifdef TOOL_INCLUDE_DIR
|
|
|
1008 #define INCLUDE_DEFAULTS_MUSL_TOOL \
|
|
|
1009 { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1, 0, 0},
|
|
|
1010 #else
|
|
|
1011 #define INCLUDE_DEFAULTS_MUSL_TOOL
|
|
|
1012 #endif
|
|
|
1013
|
|
|
1014 #ifdef NATIVE_SYSTEM_HEADER_DIR
|
|
|
1015 #define INCLUDE_DEFAULTS_MUSL_NATIVE \
|
|
|
1016 { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 2 }, \
|
|
|
1017 { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 0 },
|
|
|
1018 #else
|
|
|
1019 #define INCLUDE_DEFAULTS_MUSL_NATIVE
|
|
|
1020 #endif
|
|
|
1021
|
|
|
1022 #if defined (CROSS_DIRECTORY_STRUCTURE) && !defined (TARGET_SYSTEM_ROOT)
|
|
|
1023 # undef INCLUDE_DEFAULTS_MUSL_LOCAL
|
|
|
1024 # define INCLUDE_DEFAULTS_MUSL_LOCAL
|
|
|
1025 # undef INCLUDE_DEFAULTS_MUSL_NATIVE
|
|
|
1026 # define INCLUDE_DEFAULTS_MUSL_NATIVE
|
|
|
1027 #else
|
|
|
1028 # undef INCLUDE_DEFAULTS_MUSL_CROSS
|
|
|
1029 # define INCLUDE_DEFAULTS_MUSL_CROSS
|
|
|
1030 #endif
|
|
|
1031
|
|
|
1032 #undef INCLUDE_DEFAULTS
|
|
|
1033 #define INCLUDE_DEFAULTS \
|
|
|
1034 { \
|
|
|
1035 INCLUDE_DEFAULTS_MUSL_GPP \
|
|
|
1036 INCLUDE_DEFAULTS_MUSL_LOCAL \
|
|
|
1037 INCLUDE_DEFAULTS_MUSL_PREFIX \
|
|
|
1038 INCLUDE_DEFAULTS_MUSL_CROSS \
|
|
|
1039 INCLUDE_DEFAULTS_MUSL_TOOL \
|
|
|
1040 INCLUDE_DEFAULTS_MUSL_NATIVE \
|
|
|
1041 { GCC_INCLUDE_DIR, "GCC", 0, 1, 0, 0 }, \
|
|
|
1042 { 0, 0, 0, 0, 0, 0 } \
|
|
|
1043 }
|
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1044 #endif
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