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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6324 | serge | 1 | /* NDS32 ELF support for BFD. |
| 2 | Copyright (C) 2012-2015 Free Software Foundation, Inc. |
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| 3 | Contributed by Andes Technology Corporation. |
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| 4 | |||
| 5 | This file is part of BFD, the Binary File Descriptor library. |
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| 6 | |||
| 7 | This program is free software; you can redistribute it and/or modify |
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| 8 | it under the terms of the GNU General Public License as published by |
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| 9 | the Free Software Foundation; either version 3 of the License, or |
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| 10 | (at your option) any later version. |
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| 11 | |||
| 12 | This program is distributed in the hope that it will be useful, |
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | GNU General Public License for more details. |
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| 16 | |||
| 17 | You should have received a copy of the GNU General Public License |
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| 18 | along with this program; if not, write to the Free Software |
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| 19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA |
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| 20 | 02110-1301, USA. */ |
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| 21 | |||
| 22 | #ifndef _ELF_NDS32_H |
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| 23 | #define _ELF_NDS32_H |
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| 24 | |||
| 25 | #include "elf/reloc-macros.h" |
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| 26 | |||
| 27 | /* Relocations. */ |
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| 28 | START_RELOC_NUMBERS (elf_nds32_reloc_type) |
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| 29 | RELOC_NUMBER (R_NDS32_NONE, 0) |
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| 30 | /* REL relocations. */ |
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| 31 | RELOC_NUMBER (R_NDS32_16, 1) |
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| 32 | RELOC_NUMBER (R_NDS32_32, 2) |
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| 33 | RELOC_NUMBER (R_NDS32_20, 3) |
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| 34 | RELOC_NUMBER (R_NDS32_9_PCREL, 4) |
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| 35 | RELOC_NUMBER (R_NDS32_15_PCREL, 5) |
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| 36 | RELOC_NUMBER (R_NDS32_17_PCREL, 6) |
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| 37 | RELOC_NUMBER (R_NDS32_25_PCREL, 7) |
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| 38 | RELOC_NUMBER (R_NDS32_HI20, 8) |
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| 39 | RELOC_NUMBER (R_NDS32_LO12S3, 9) |
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| 40 | RELOC_NUMBER (R_NDS32_LO12S2, 10) |
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| 41 | RELOC_NUMBER (R_NDS32_LO12S1, 11) |
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| 42 | RELOC_NUMBER (R_NDS32_LO12S0, 12) |
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| 43 | RELOC_NUMBER (R_NDS32_SDA15S3, 13) |
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| 44 | RELOC_NUMBER (R_NDS32_SDA15S2, 14) |
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| 45 | RELOC_NUMBER (R_NDS32_SDA15S1, 15) |
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| 46 | RELOC_NUMBER (R_NDS32_SDA15S0, 16) |
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| 47 | RELOC_NUMBER (R_NDS32_GNU_VTINHERIT, 17) |
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| 48 | RELOC_NUMBER (R_NDS32_GNU_VTENTRY, 18) |
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| 49 | |||
| 50 | /* RELA relocations. */ |
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| 51 | RELOC_NUMBER (R_NDS32_16_RELA, 19) |
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| 52 | RELOC_NUMBER (R_NDS32_32_RELA, 20) |
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| 53 | RELOC_NUMBER (R_NDS32_20_RELA, 21) |
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| 54 | RELOC_NUMBER (R_NDS32_9_PCREL_RELA, 22) |
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| 55 | RELOC_NUMBER (R_NDS32_15_PCREL_RELA, 23) |
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| 56 | RELOC_NUMBER (R_NDS32_17_PCREL_RELA, 24) |
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| 57 | RELOC_NUMBER (R_NDS32_25_PCREL_RELA, 25) |
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| 58 | RELOC_NUMBER (R_NDS32_HI20_RELA, 26) |
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| 59 | RELOC_NUMBER (R_NDS32_LO12S3_RELA, 27) |
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| 60 | RELOC_NUMBER (R_NDS32_LO12S2_RELA, 28) |
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| 61 | RELOC_NUMBER (R_NDS32_LO12S1_RELA, 29) |
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| 62 | RELOC_NUMBER (R_NDS32_LO12S0_RELA, 30) |
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| 63 | RELOC_NUMBER (R_NDS32_SDA15S3_RELA, 31) |
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| 64 | RELOC_NUMBER (R_NDS32_SDA15S2_RELA, 32) |
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| 65 | RELOC_NUMBER (R_NDS32_SDA15S1_RELA, 33) |
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| 66 | RELOC_NUMBER (R_NDS32_SDA15S0_RELA, 34) |
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| 67 | RELOC_NUMBER (R_NDS32_RELA_GNU_VTINHERIT, 35) |
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| 68 | RELOC_NUMBER (R_NDS32_RELA_GNU_VTENTRY, 36) |
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| 69 | |||
| 70 | RELOC_NUMBER (R_NDS32_GOT20, 37) |
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| 71 | RELOC_NUMBER (R_NDS32_25_PLTREL, 38) |
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| 72 | RELOC_NUMBER (R_NDS32_COPY, 39) |
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| 73 | RELOC_NUMBER (R_NDS32_GLOB_DAT, 40) |
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| 74 | RELOC_NUMBER (R_NDS32_JMP_SLOT, 41) |
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| 75 | RELOC_NUMBER (R_NDS32_RELATIVE, 42) |
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| 76 | RELOC_NUMBER (R_NDS32_GOTOFF, 43) |
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| 77 | RELOC_NUMBER (R_NDS32_GOTPC20, 44) |
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| 78 | RELOC_NUMBER (R_NDS32_GOT_HI20, 45) |
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| 79 | RELOC_NUMBER (R_NDS32_GOT_LO12, 46) |
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| 80 | RELOC_NUMBER (R_NDS32_GOTPC_HI20, 47) |
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| 81 | RELOC_NUMBER (R_NDS32_GOTPC_LO12, 48) |
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| 82 | RELOC_NUMBER (R_NDS32_GOTOFF_HI20, 49) |
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| 83 | RELOC_NUMBER (R_NDS32_GOTOFF_LO12, 50) |
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| 84 | RELOC_NUMBER (R_NDS32_INSN16, 51) |
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| 85 | RELOC_NUMBER (R_NDS32_LABEL, 52) |
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| 86 | RELOC_NUMBER (R_NDS32_LONGCALL1, 53) |
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| 87 | RELOC_NUMBER (R_NDS32_LONGCALL2, 54) |
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| 88 | RELOC_NUMBER (R_NDS32_LONGCALL3, 55) |
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| 89 | RELOC_NUMBER (R_NDS32_LONGJUMP1, 56) |
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| 90 | RELOC_NUMBER (R_NDS32_LONGJUMP2, 57) |
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| 91 | RELOC_NUMBER (R_NDS32_LONGJUMP3, 58) |
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| 92 | RELOC_NUMBER (R_NDS32_LOADSTORE, 59) |
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| 93 | RELOC_NUMBER (R_NDS32_9_FIXED_RELA, 60) |
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| 94 | RELOC_NUMBER (R_NDS32_15_FIXED_RELA, 61) |
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| 95 | RELOC_NUMBER (R_NDS32_17_FIXED_RELA, 62) |
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| 96 | RELOC_NUMBER (R_NDS32_25_FIXED_RELA, 63) |
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| 97 | RELOC_NUMBER (R_NDS32_PLTREL_HI20, 64) /* This is obsoleted. */ |
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| 98 | RELOC_NUMBER (R_NDS32_PLTREL_LO12, 65) /* This is obsoleted. */ |
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| 99 | RELOC_NUMBER (R_NDS32_PLT_GOTREL_HI20, 66) |
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| 100 | RELOC_NUMBER (R_NDS32_PLT_GOTREL_LO12, 67) |
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| 101 | RELOC_NUMBER (R_NDS32_SDA12S2_DP_RELA, 68) |
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| 102 | RELOC_NUMBER (R_NDS32_SDA12S2_SP_RELA, 69) |
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| 103 | RELOC_NUMBER (R_NDS32_LO12S2_DP_RELA, 70) |
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| 104 | RELOC_NUMBER (R_NDS32_LO12S2_SP_RELA, 71) |
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| 105 | RELOC_NUMBER (R_NDS32_LO12S0_ORI_RELA, 72) |
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| 106 | RELOC_NUMBER (R_NDS32_SDA16S3_RELA, 73) |
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| 107 | RELOC_NUMBER (R_NDS32_SDA17S2_RELA, 74) |
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| 108 | RELOC_NUMBER (R_NDS32_SDA18S1_RELA, 75) |
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| 109 | RELOC_NUMBER (R_NDS32_SDA19S0_RELA, 76) |
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| 110 | RELOC_NUMBER (R_NDS32_DWARF2_OP1_RELA, 77) |
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| 111 | RELOC_NUMBER (R_NDS32_DWARF2_OP2_RELA, 78) |
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| 112 | RELOC_NUMBER (R_NDS32_DWARF2_LEB_RELA, 79) |
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| 113 | RELOC_NUMBER (R_NDS32_UPDATE_TA_RELA, 80) /* This is obsoleted. */ |
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| 114 | RELOC_NUMBER (R_NDS32_9_PLTREL, 81) |
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| 115 | RELOC_NUMBER (R_NDS32_PLT_GOTREL_LO20, 82) |
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| 116 | RELOC_NUMBER (R_NDS32_PLT_GOTREL_LO15, 83) |
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| 117 | RELOC_NUMBER (R_NDS32_PLT_GOTREL_LO19, 84) |
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| 118 | RELOC_NUMBER (R_NDS32_GOT_LO15, 85) |
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| 119 | RELOC_NUMBER (R_NDS32_GOT_LO19, 86) |
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| 120 | RELOC_NUMBER (R_NDS32_GOTOFF_LO15, 87) |
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| 121 | RELOC_NUMBER (R_NDS32_GOTOFF_LO19, 88) |
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| 122 | RELOC_NUMBER (R_NDS32_GOT15S2_RELA, 89) |
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| 123 | RELOC_NUMBER (R_NDS32_GOT17S2_RELA, 90) |
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| 124 | RELOC_NUMBER (R_NDS32_5_RELA, 91) |
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| 125 | RELOC_NUMBER (R_NDS32_10_UPCREL_RELA, 92) /* This is obsoleted. */ |
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| 126 | RELOC_NUMBER (R_NDS32_SDA_FP7U2_RELA, 93) |
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| 127 | RELOC_NUMBER (R_NDS32_WORD_9_PCREL_RELA, 94) |
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| 128 | RELOC_NUMBER (R_NDS32_25_ABS_RELA, 95) |
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| 129 | RELOC_NUMBER (R_NDS32_17IFC_PCREL_RELA, 96) |
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| 130 | RELOC_NUMBER (R_NDS32_10IFCU_PCREL_RELA, 97) |
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| 131 | RELOC_NUMBER (R_NDS32_TLS_LE_HI20, 98) |
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| 132 | RELOC_NUMBER (R_NDS32_TLS_LE_LO12, 99) |
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| 133 | RELOC_NUMBER (R_NDS32_TLS_IE_HI20, 100) |
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| 134 | RELOC_NUMBER (R_NDS32_TLS_IE_LO12S2, 101) |
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| 135 | RELOC_NUMBER (R_NDS32_TLS_TPOFF, 102) |
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| 136 | RELOC_NUMBER (R_NDS32_TLS_LE_20, 103) |
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| 137 | RELOC_NUMBER (R_NDS32_TLS_LE_15S0, 104) |
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| 138 | RELOC_NUMBER (R_NDS32_TLS_LE_15S1, 105) |
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| 139 | RELOC_NUMBER (R_NDS32_TLS_LE_15S2, 106) |
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| 140 | RELOC_NUMBER (R_NDS32_LONGCALL4, 107) |
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| 141 | RELOC_NUMBER (R_NDS32_LONGCALL5, 108) |
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| 142 | RELOC_NUMBER (R_NDS32_LONGCALL6, 109) |
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| 143 | RELOC_NUMBER (R_NDS32_LONGJUMP4, 110) |
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| 144 | RELOC_NUMBER (R_NDS32_LONGJUMP5, 111) |
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| 145 | RELOC_NUMBER (R_NDS32_LONGJUMP6, 112) |
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| 146 | RELOC_NUMBER (R_NDS32_LONGJUMP7, 113) |
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| 147 | |||
| 148 | RELOC_NUMBER (R_NDS32_RELAX_ENTRY, 192) |
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| 149 | RELOC_NUMBER (R_NDS32_GOT_SUFF, 193) |
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| 150 | RELOC_NUMBER (R_NDS32_GOTOFF_SUFF, 194) |
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| 151 | RELOC_NUMBER (R_NDS32_PLT_GOT_SUFF, 195) |
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| 152 | RELOC_NUMBER (R_NDS32_MULCALL_SUFF, 196) /* This is obsoleted. */ |
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| 153 | RELOC_NUMBER (R_NDS32_PTR, 197) |
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| 154 | RELOC_NUMBER (R_NDS32_PTR_COUNT, 198) |
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| 155 | RELOC_NUMBER (R_NDS32_PTR_RESOLVED, 199) |
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| 156 | RELOC_NUMBER (R_NDS32_PLTBLOCK, 200) /* This is obsoleted. */ |
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| 157 | RELOC_NUMBER (R_NDS32_RELAX_REGION_BEGIN, 201) |
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| 158 | RELOC_NUMBER (R_NDS32_RELAX_REGION_END, 202) |
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| 159 | RELOC_NUMBER (R_NDS32_MINUEND, 203) |
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| 160 | RELOC_NUMBER (R_NDS32_SUBTRAHEND, 204) |
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| 161 | RELOC_NUMBER (R_NDS32_DIFF8, 205) |
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| 162 | RELOC_NUMBER (R_NDS32_DIFF16, 206) |
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| 163 | RELOC_NUMBER (R_NDS32_DIFF32, 207) |
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| 164 | RELOC_NUMBER (R_NDS32_DIFF_ULEB128, 208) |
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| 165 | RELOC_NUMBER (R_NDS32_DATA, 209) |
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| 166 | RELOC_NUMBER (R_NDS32_TRAN, 210) |
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| 167 | RELOC_NUMBER (R_NDS32_TLS_LE_ADD, 211) |
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| 168 | RELOC_NUMBER (R_NDS32_TLS_LE_LS, 212) |
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| 169 | RELOC_NUMBER (R_NDS32_EMPTY, 213) |
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| 170 | |||
| 171 | END_RELOC_NUMBERS (R_NDS32_max) |
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| 172 | |||
| 173 | /* Processor specific section indices. These sections do not actually |
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| 174 | exist. Symbols with a st_shndx field corresponding to one of these |
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| 175 | values have a special meaning. */ |
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| 176 | |||
| 177 | /* Processor specific flags for the ELF header e_flags field. |
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| 178 | |||
| 179 | 31 28 27 8 7 4 3 0 |
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| 180 | --------------------------------------------- |
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| 181 | | ARCH | CONFUGURAION FIELD | ABI | ELF_VER | |
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| 182 | --------------------------------------------- */ |
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| 183 | |||
| 184 | /* Architechure definition. */ |
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| 185 | |||
| 186 | /* 4-bit (b31-b28) nds32 architecture field. |
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| 187 | We can have up to 15 architectures; 0000 is for unknown. */ |
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| 188 | #define EF_NDS_ARCH 0xF0000000 |
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| 189 | #define EF_NDS_ARCH_SHIFT 28 |
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| 190 | /* There could be more architectures. For now, only n1 and n1h. */ |
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| 191 | #define E_NDS_ARCH_STAR_RESERVED 0x00000000 |
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| 192 | #define E_NDS_ARCH_STAR_V1_0 0x10000000 |
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| 193 | #define E_NDS_ARCH_STAR_V2_0 0x20000000 |
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| 194 | #define E_NDS_ARCH_STAR_V3_0 0x30000000 |
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| 195 | #define E_NDS_ARCH_STAR_V3_M 0x40000000 |
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| 196 | #define E_NDS_ARCH_STAR_V0_9 0x90000000 /* Obsoleted. */ |
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| 197 | /* n1 code. */ |
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| 198 | #define E_N1_ARCH E_NDS_ARCH_STAR_V0_9 |
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| 199 | /* n1h code. */ |
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| 200 | #define E_N1H_ARCH E_NDS_ARCH_STAR_V1_0 |
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| 201 | |||
| 202 | |||
| 203 | /* Configuration field definitioans. */ |
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| 204 | #define EF_NDS_INST 0x0FFFFF00 |
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| 205 | |||
| 206 | /* E_NDS_ARCH_STAR_V1_0 configuration fields. |
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| 207 | |||
| 208 | E_NDS_ARCH_STAR_V2_0 configuration fields. |
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| 209 | These are discarded in v2. |
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| 210 | * E_NDS32_HAS_MFUSR_PC_INST 0x00000100 |
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| 211 | * E_NDS32_HAS_DIV_INST 0x00002000 |
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| 212 | * E_NDS32_HAS_NO_MAC_INST 0x00100000 |
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| 213 | These are added in v2. |
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| 214 | * E_NDS32_HAS_DIV_DX_INST 0x00002000 |
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| 215 | * E_NDS32_HAS_MAC_DX_INST 0x00100000 */ |
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| 216 | |||
| 217 | /* MFUSR rt, PC and correct ISYNC, MSYNC instructions. |
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| 218 | Old N1213HC has no such instructions. */ |
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| 219 | #define E_NDS32_HAS_MFUSR_PC_INST 0x00000100 /* Reclaimed. */ |
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| 220 | #define E_NDS32_HAS_EX9_INST 0x00000100 /* v3, ELF 1.4. */ |
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| 221 | /* C/C++ performance extension instructions. */ |
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| 222 | #define E_NDS32_HAS_EXT_INST 0x00000200 |
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| 223 | /* Performance extension set II instructions. */ |
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| 224 | #define E_NDS32_HAS_EXT2_INST 0x00000400 |
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| 225 | /* Single precision Floating point processor instructions. */ |
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| 226 | #define E_NDS32_HAS_FPU_INST 0x00000800 |
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| 227 | /* Audio instructions with 32-bit audio dx.lo register. */ |
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| 228 | #define E_NDS32_HAS_AUDIO_INST 0x00001000 |
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| 229 | /* DIV instructions. */ |
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| 230 | #define E_NDS32_HAS_DIV_INST 0x00002000 /* Reclaimed. */ |
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| 231 | /* DIV instructions using d0/d1. */ |
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| 232 | #define E_NDS32_HAS_DIV_DX_INST 0x00002000 /* v2. */ |
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| 233 | /* 16-bit instructions. */ |
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| 234 | #define E_NDS32_HAS_16BIT_INST 0x00004000 /* Reclaimed. */ |
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| 235 | #define E_NDS32_HAS_IFC_INST 0x00004000 /* v3, ELF 1.4. */ |
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| 236 | /* String operation instructions. */ |
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| 237 | #define E_NDS32_HAS_STRING_INST 0x00008000 |
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| 238 | /* Reduced register file. */ |
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| 239 | #define E_NDS32_HAS_REDUCED_REGS 0x00010000 |
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| 240 | /* Video instructions. */ |
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| 241 | #define E_NDS32_HAS_VIDEO_INST 0x00020000 /* Reclaimed. */ |
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| 242 | #define E_NDS32_HAS_SATURATION_INST 0x00020000 /* v3, ELF 1.4. */ |
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| 243 | /* Encription instructions. */ |
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| 244 | #define E_NDS32_HAS_ENCRIPT_INST 0x00040000 |
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| 245 | /* Doulbe Precision Floating point processor instructions. */ |
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| 246 | #define E_NDS32_HAS_FPU_DP_INST 0x00080000 |
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| 247 | /* No MAC instruction used. */ |
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| 248 | #define E_NDS32_HAS_NO_MAC_INST 0x00100000 /* Reclaimed when V2/V3. */ |
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| 249 | /* MAC instruction using d0/d1. */ |
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| 250 | #define E_NDS32_HAS_MAC_DX_INST 0x00100000 /* v2. */ |
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| 251 | /* L2 cache instruction. */ |
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| 252 | #define E_NDS32_HAS_L2C_INST 0x00200000 |
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| 253 | /* FPU registers configuration when FPU SP/DP presents; 0x00c00000. */ |
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| 254 | #define E_NDS32_FPU_REG_CONF_SHIFT 22 |
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| 255 | #define E_NDS32_FPU_REG_CONF (0x3 << E_NDS32_FPU_REG_CONF_SHIFT) |
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| 256 | #define E_NDS32_FPU_REG_8SP_4DP 0x0 |
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| 257 | #define E_NDS32_FPU_REG_16SP_8DP 0x1 |
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| 258 | #define E_NDS32_FPU_REG_32SP_16DP 0x2 |
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| 259 | #define E_NDS32_FPU_REG_32SP_32DP 0x3 |
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| 260 | /* FPU MAC instruction used. */ |
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| 261 | #define E_NDS32_HAS_FPU_MAC_INST 0x01000000 |
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| 262 | /* << |
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| 263 | #define E_NDS32_NULL 0x02000000 |
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| 264 | /* PIC enabled. */ |
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| 265 | #define E_NDS32_HAS_PIC 0x04000000 |
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| 266 | /* Use custom section. */ |
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| 267 | #define E_NDS32_HAS_CUSTOM_SEC 0x08000000 |
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| 268 | |||
| 269 | /* 4-bit for ABI signature, allow up to 16 ABIs |
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| 270 | 0: for OLD ABI V0, phase out |
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| 271 | 1: for V1 , starting with V0 toolchain |
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| 272 | 2: for V2 |
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| 273 | 3: for V2FP (fs0, fs1 as function parameter) |
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| 274 | 4: for AABI */ |
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| 275 | /* Only old N1213HC use V0. |
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| 276 | New ABI is used due to return register is changed to r0 from r5. */ |
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| 277 | #define EF_NDS_ABI 0x000000F0 |
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| 278 | #define EF_NDS_ABI_SHIFT 4 |
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| 279 | #define E_NDS_ABI_V0 0x00000000 |
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| 280 | #define E_NDS_ABI_V1 0x00000010 |
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| 281 | #define E_NDS_ABI_V2 0x00000020 |
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| 282 | #define E_NDS_ABI_V2FP 0x00000030 |
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| 283 | #define E_NDS_ABI_AABI 0x00000040 |
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| 284 | #define E_NDS_ABI_V2FP_PLUS 0x00000050 |
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| 285 | |||
| 286 | /* This flag signifies the version of Andes ELF. |
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| 287 | Some more information may exist somewhere which is TBD. */ |
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| 288 | #define EF_NDS32_ELF_VERSION 0x0000000F |
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| 289 | #define EF_NDS32_ELF_VERSION_SHIFT 0 |
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| 290 | |||
| 291 | /* Andes ELF Version 1.3 and before. */ |
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| 292 | #define E_NDS32_ELF_VER_1_2 0x0 |
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| 293 | /* Andes ELF Version 1.31. */ |
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| 294 | #define E_NDS32_ELF_VER_1_3 0x1 |
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| 295 | /* Andes ELF Version 1.4. Change the way we fix .debug_* and .gcc_except_table. |
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| 296 | Change three bit for EX9, IFC and SAT. */ |
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| 297 | #define E_NDS32_ELF_VER_1_4 0x2 |
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| 298 | |||
| 299 | #endif |