1 | /* Score ELF support for BFD. |
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2 | Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc. |
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3 | Contributed by |
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4 | Brain.lin (brain.lin@sunplusct.com) |
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5 | Mei Ligang (ligang@sunnorth.com.cn) |
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6 | Pei-Lin Tsai (pltsai@sunplus.com) |
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7 | |
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8 | This file is part of BFD, the Binary File Descriptor library. |
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9 | |
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10 | This program is free software; you can redistribute it and/or modify |
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11 | it under the terms of the GNU General Public License as published by |
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12 | the Free Software Foundation; either version 3 of the License, or |
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13 | (at your option) any later version. |
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14 | |
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15 | This program is distributed in the hope that it will be useful, |
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16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 | GNU General Public License for more details. |
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19 | |
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20 | You should have received a copy of the GNU General Public License |
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21 | along with this program; if not, write to the Free Software Foundation, |
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22 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
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23 | |
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24 | #ifndef _ELF_SCORE_H |
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25 | #define _ELF_SCORE_H |
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26 | |
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27 | #include "elf/reloc-macros.h" |
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28 | |
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29 | #define SCORE_SIMULATOR_ACTIVE 1 |
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30 | #define OPC_PTMASK 0xc0000000 /* Parity-bit Mask. */ |
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31 | #define OPC16_PTMASK 0x00008000 |
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32 | /* The parity-bit denotes. */ |
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33 | #define OPC_32 0xc0000000 /* Denotes 32b instruction, (default). */ |
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34 | #define OPC_16 0x00000000 /* Denotes 16b instruction. */ |
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35 | #define OPC_PE 0x8000 /* Denotes parallel-execution instructions. */ |
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36 | #define GP_DISP_LABEL "_gp_disp" |
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37 | |
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38 | /* Processor specific flags for the ELF header e_flags field: */ |
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39 | #define EF_SCORE_MACH 0xffff0000 |
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40 | #define EF_OMIT_PIC_FIXDD 0x0fff0000 |
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41 | #define E_SCORE_MACH_SCORE3 0x00030000 |
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42 | #define E_SCORE_MACH_SCORE7 0x00070000 |
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43 | |
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44 | /* File contains position independent code. */ |
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45 | #define EF_SCORE_PIC 0x80000000 |
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46 | |
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47 | /* Fix data dependency. */ |
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48 | #define EF_SCORE_FIXDEP 0x40000000 |
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49 | |
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50 | /* Defined and allocated common symbol. Value is virtual address. If |
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51 | relocated, alignment must be preserved. */ |
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52 | #define SHN_SCORE_TEXT (SHN_LORESERVE + 1) |
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53 | #define SHN_SCORE_DATA (SHN_LORESERVE + 2) |
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54 | /* Small common symbol. */ |
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55 | #define SHN_SCORE_SCOMMON (SHN_LORESERVE + 3) |
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56 | |
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57 | /* Processor specific section flags. */ |
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58 | |
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59 | /* This section must be in the global data area. */ |
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60 | #define SHF_SCORE_GPREL 0x10000000 |
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61 | |
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62 | /* This section should be merged. */ |
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63 | #define SHF_SCORE_MERGE 0x20000000 |
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64 | |
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65 | /* This section contains address data of size implied by section |
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66 | element size. */ |
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67 | #define SHF_SCORE_ADDR 0x40000000 |
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68 | |
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69 | /* This section contains string data. */ |
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70 | #define SHF_SCORE_STRING 0x80000000 |
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71 | |
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72 | /* This section may not be stripped. */ |
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73 | #define SHF_SCORE_NOSTRIP 0x08000000 |
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74 | |
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75 | /* This section is local to threads. */ |
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76 | #define SHF_SCORE_LOCAL 0x04000000 |
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77 | |
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78 | /* Linker should generate implicit weak names for this section. */ |
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79 | #define SHF_SCORE_NAMES 0x02000000 |
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80 | |
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81 | /* Section contais text/data which may be replicated in other sections. |
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82 | Linker should retain only one copy. */ |
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83 | #define SHF_SCORE_NODUPES 0x01000000 |
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84 | |
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85 | /* Processor specific dynamic array tags. */ |
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86 | |
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87 | /* Base address of the segment. */ |
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88 | #define DT_SCORE_BASE_ADDRESS 0x70000001 |
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89 | /* Number of local global offset table entries. */ |
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90 | #define DT_SCORE_LOCAL_GOTNO 0x70000002 |
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91 | /* Number of entries in the .dynsym section. */ |
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92 | #define DT_SCORE_SYMTABNO 0x70000003 |
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93 | /* Index of first dynamic symbol in global offset table. */ |
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94 | #define DT_SCORE_GOTSYM 0x70000004 |
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95 | /* Index of first external dynamic symbol not referenced locally. */ |
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96 | #define DT_SCORE_UNREFEXTNO 0x70000005 |
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97 | /* Number of page table entries in global offset table. */ |
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98 | #define DT_SCORE_HIPAGENO 0x70000006 |
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99 | |
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100 | |
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101 | /* Processor specific section types. */ |
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102 | |
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103 | |
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104 | /* Relocation types. */ |
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105 | START_RELOC_NUMBERS (elf_score_reloc_type) |
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106 | RELOC_NUMBER (R_SCORE_NONE, 0) |
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107 | RELOC_NUMBER (R_SCORE_HI16, 1) |
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108 | RELOC_NUMBER (R_SCORE_LO16, 2) |
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109 | RELOC_NUMBER (R_SCORE_BCMP, 3) |
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110 | RELOC_NUMBER (R_SCORE_24, 4) |
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111 | RELOC_NUMBER (R_SCORE_PC19, 5) |
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112 | RELOC_NUMBER (R_SCORE16_11, 6) |
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113 | RELOC_NUMBER (R_SCORE16_PC8, 7) |
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114 | RELOC_NUMBER (R_SCORE_ABS32, 8) |
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115 | RELOC_NUMBER (R_SCORE_ABS16, 9) |
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116 | RELOC_NUMBER (R_SCORE_DUMMY2, 10) |
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117 | RELOC_NUMBER (R_SCORE_GP15, 11) |
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118 | RELOC_NUMBER (R_SCORE_GNU_VTINHERIT, 12) |
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119 | RELOC_NUMBER (R_SCORE_GNU_VTENTRY, 13) |
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120 | RELOC_NUMBER (R_SCORE_GOT15, 14) |
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121 | RELOC_NUMBER (R_SCORE_GOT_LO16, 15) |
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122 | RELOC_NUMBER (R_SCORE_CALL15, 16) |
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123 | RELOC_NUMBER (R_SCORE_GPREL32, 17) |
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124 | RELOC_NUMBER (R_SCORE_REL32, 18) |
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125 | RELOC_NUMBER (R_SCORE_DUMMY_HI16, 19) |
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126 | RELOC_NUMBER (R_SCORE_IMM30, 20) |
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127 | RELOC_NUMBER (R_SCORE_IMM32, 21) |
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128 | END_RELOC_NUMBERS (R_SCORE_max) |
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129 | |
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130 | #endif /* _ELF_SCORE_H */ |
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