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Rev | Author | Line No. | Line |
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5191 | serge | 1 | /* TI C6X ELF support for BFD. |
6324 | serge | 2 | Copyright (C) 2010-2015 Free Software Foundation, Inc. |
5191 | serge | 3 | |
4 | This file is part of BFD, the Binary File Descriptor library. |
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5 | |||
6 | This program 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 of the License, or |
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9 | (at your option) any later version. |
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10 | |||
11 | This program 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 | |||
16 | You should have received a copy of the GNU General Public License |
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17 | along with this program; if not, write to the Free Software |
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18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
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19 | MA 02110-1301, USA. */ |
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20 | |||
21 | #ifndef _ELF_TIC6X_H |
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22 | #define _ELF_TIC6X_H |
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23 | |||
24 | #include "elf/reloc-macros.h" |
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25 | |||
26 | /* Relocation types. */ |
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27 | START_RELOC_NUMBERS (elf_tic6x_reloc_type) |
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28 | RELOC_NUMBER (R_C6000_NONE, 0) |
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29 | RELOC_NUMBER (R_C6000_ABS32, 1) |
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30 | RELOC_NUMBER (R_C6000_ABS16, 2) |
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31 | RELOC_NUMBER (R_C6000_ABS8, 3) |
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32 | RELOC_NUMBER (R_C6000_PCR_S21, 4) |
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33 | RELOC_NUMBER (R_C6000_PCR_S12, 5) |
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34 | RELOC_NUMBER (R_C6000_PCR_S10, 6) |
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35 | RELOC_NUMBER (R_C6000_PCR_S7, 7) |
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36 | RELOC_NUMBER (R_C6000_ABS_S16, 8) |
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37 | RELOC_NUMBER (R_C6000_ABS_L16, 9) |
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38 | RELOC_NUMBER (R_C6000_ABS_H16, 10) |
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39 | RELOC_NUMBER (R_C6000_SBR_U15_B, 11) |
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40 | RELOC_NUMBER (R_C6000_SBR_U15_H, 12) |
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41 | RELOC_NUMBER (R_C6000_SBR_U15_W, 13) |
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42 | RELOC_NUMBER (R_C6000_SBR_S16, 14) |
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43 | RELOC_NUMBER (R_C6000_SBR_L16_B, 15) |
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44 | RELOC_NUMBER (R_C6000_SBR_L16_H, 16) |
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45 | RELOC_NUMBER (R_C6000_SBR_L16_W, 17) |
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46 | RELOC_NUMBER (R_C6000_SBR_H16_B, 18) |
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47 | RELOC_NUMBER (R_C6000_SBR_H16_H, 19) |
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48 | RELOC_NUMBER (R_C6000_SBR_H16_W, 20) |
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49 | RELOC_NUMBER (R_C6000_SBR_GOT_U15_W, 21) |
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50 | RELOC_NUMBER (R_C6000_SBR_GOT_L16_W, 22) |
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51 | RELOC_NUMBER (R_C6000_SBR_GOT_H16_W, 23) |
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52 | RELOC_NUMBER (R_C6000_DSBT_INDEX, 24) |
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53 | RELOC_NUMBER (R_C6000_PREL31, 25) |
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54 | RELOC_NUMBER (R_C6000_COPY, 26) |
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55 | RELOC_NUMBER (R_C6000_JUMP_SLOT, 27) |
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56 | RELOC_NUMBER (R_C6000_EHTYPE, 28) |
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57 | RELOC_NUMBER (R_C6000_PCR_H16, 29) |
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58 | RELOC_NUMBER (R_C6000_PCR_L16, 30) |
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59 | RELOC_NUMBER (R_C6000_ALIGN, 253) |
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60 | RELOC_NUMBER (R_C6000_FPHEAD, 254) |
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61 | RELOC_NUMBER (R_C6000_NOCMP, 255) |
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62 | END_RELOC_NUMBERS (R_TIC6X_max) |
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63 | |||
64 | /* Processor-specific flags. */ |
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65 | |||
66 | /* File contains static relocation information. */ |
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67 | #define EF_C6000_REL 0x1 |
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68 | |||
69 | /* Processor-specific section types. */ |
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70 | |||
71 | /* Unwind function table for stack unwinding. */ |
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72 | #define SHT_C6000_UNWIND 0x70000001 |
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73 | |||
74 | /* DLL dynamic linking pre-emption map. */ |
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75 | #define SHT_C6000_PREEMPTMAP 0x70000002 |
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76 | |||
77 | /* Object file compatibility attributes. */ |
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78 | #define SHT_C6000_ATTRIBUTES 0x70000003 |
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79 | |||
80 | /* Intermediate code for link-time optimization. */ |
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81 | #define SHT_TI_ICODE 0x7F000000 |
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82 | |||
83 | /* Symbolic cross reference information. */ |
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84 | #define SHT_TI_XREF 0x7F000001 |
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85 | |||
86 | /* Reserved. */ |
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87 | #define SHT_TI_HANDLER 0x7F000002 |
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88 | |||
89 | /* Compressed data for initializing C variables. */ |
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90 | #define SHT_TI_INITINFO 0x7F000003 |
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91 | |||
92 | /* Extended program header attributes. */ |
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93 | #define SHT_TI_PHATTRS 0x7F000004 |
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94 | |||
95 | /* Processor specific section indices. These sections do not actually |
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96 | exist. Symbols with a st_shndx field corresponding to one of these |
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97 | values have a special meaning. */ |
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98 | |||
99 | /* Small data area common symbol. */ |
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100 | #define SHN_TIC6X_SCOMMON SHN_LORESERVE |
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101 | |||
102 | /* Processor-specific segment types. */ |
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103 | |||
104 | /* Extended Segment Attributes. */ |
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105 | #define PT_C6000_PHATTR 0x70000000 |
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106 | |||
107 | /* Processor-specific dynamic tags. */ |
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108 | |||
109 | /* Undocumented. */ |
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110 | #define DT_C6000_GSYM_OFFSET 0x6000000D |
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111 | |||
112 | /* Undocumented. */ |
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113 | #define DT_C6000_GSTR_OFFSET 0x6000000F |
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114 | |||
115 | /* Statically linked base address of data segment. */ |
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116 | #define DT_C6000_DSBT_BASE 0x70000000 |
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117 | |||
118 | /* Number of entries in this module's DSBT. */ |
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119 | #define DT_C6000_DSBT_SIZE 0x70000001 |
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120 | |||
121 | /* Undocumented. */ |
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122 | #define DT_C6000_PREEMPTMAP 0x70000002 |
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123 | |||
124 | /* The hard-coded DSBT index for this module, if any. */ |
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125 | #define DT_C6000_DSBT_INDEX 0x70000003 |
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126 | |||
127 | /* Extended program header attributes. */ |
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128 | |||
129 | /* Terminate a segment. */ |
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130 | #define PHA_NULL 0x0 |
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131 | |||
132 | /* Segment's address bound to the final address. */ |
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133 | #define PHA_BOUND 0x1 |
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134 | |||
135 | /* Segment cannot be further relocated. */ |
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136 | #define PHA_READONLY 0x2 |
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137 | |||
138 | /* Build attributes. */ |
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139 | enum |
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140 | { |
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141 | #define TAG(tag, value) tag = value, |
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142 | #include "elf/tic6x-attrs.h" |
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143 | #undef TAG |
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144 | Tag_C6XABI_last |
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145 | }; |
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146 | |||
147 | /* Values for Tag_ISA. GNU-specific names; the ABI does not specify |
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148 | names for these values. */ |
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149 | enum |
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150 | { |
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151 | C6XABI_Tag_ISA_none = 0, |
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152 | C6XABI_Tag_ISA_C62X = 1, |
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153 | C6XABI_Tag_ISA_C67X = 3, |
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154 | C6XABI_Tag_ISA_C67XP = 4, |
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155 | C6XABI_Tag_ISA_C64X = 6, |
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156 | C6XABI_Tag_ISA_C64XP = 7, |
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157 | C6XABI_Tag_ISA_C674X = 8 |
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158 | }; |
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159 | |||
160 | /* Special section names. */ |
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161 | #define ELF_STRING_C6000_unwind ".c6xabi.exidx" |
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162 | #define ELF_STRING_C6000_unwind_info ".c6xabi.extab" |
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163 | #define ELF_STRING_C6000_unwind_once ".gnu.linkonce.c6xabi.exidx." |
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164 | #define ELF_STRING_C6000_unwind_info_once ".gnu.linkonce.c6xabi.extab." |
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165 | |||
166 | #endif /* _ELF_TIC6X_H */ |