1 /* TI C6X ELF support for BFD. 2 Copyright (C) 2010-2016 Free Software Foundation, Inc. 3 4 This file is part of BFD, the Binary File Descriptor library. 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program; if not, write to the Free Software 18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 19 MA 02110-1301, USA. */ 20 21 #ifndef _ELF_TIC6X_H 22 #define _ELF_TIC6X_H 23 24 #include "elf/reloc-macros.h" 25 26 /* Relocation types. */ 27 START_RELOC_NUMBERS (elf_tic6x_reloc_type) 28 RELOC_NUMBER (R_C6000_NONE, 0) 29 RELOC_NUMBER (R_C6000_ABS32, 1) 30 RELOC_NUMBER (R_C6000_ABS16, 2) 31 RELOC_NUMBER (R_C6000_ABS8, 3) 32 RELOC_NUMBER (R_C6000_PCR_S21, 4) 33 RELOC_NUMBER (R_C6000_PCR_S12, 5) 34 RELOC_NUMBER (R_C6000_PCR_S10, 6) 35 RELOC_NUMBER (R_C6000_PCR_S7, 7) 36 RELOC_NUMBER (R_C6000_ABS_S16, 8) 37 RELOC_NUMBER (R_C6000_ABS_L16, 9) 38 RELOC_NUMBER (R_C6000_ABS_H16, 10) 39 RELOC_NUMBER (R_C6000_SBR_U15_B, 11) 40 RELOC_NUMBER (R_C6000_SBR_U15_H, 12) 41 RELOC_NUMBER (R_C6000_SBR_U15_W, 13) 42 RELOC_NUMBER (R_C6000_SBR_S16, 14) 43 RELOC_NUMBER (R_C6000_SBR_L16_B, 15) 44 RELOC_NUMBER (R_C6000_SBR_L16_H, 16) 45 RELOC_NUMBER (R_C6000_SBR_L16_W, 17) 46 RELOC_NUMBER (R_C6000_SBR_H16_B, 18) 47 RELOC_NUMBER (R_C6000_SBR_H16_H, 19) 48 RELOC_NUMBER (R_C6000_SBR_H16_W, 20) 49 RELOC_NUMBER (R_C6000_SBR_GOT_U15_W, 21) 50 RELOC_NUMBER (R_C6000_SBR_GOT_L16_W, 22) 51 RELOC_NUMBER (R_C6000_SBR_GOT_H16_W, 23) 52 RELOC_NUMBER (R_C6000_DSBT_INDEX, 24) 53 RELOC_NUMBER (R_C6000_PREL31, 25) 54 RELOC_NUMBER (R_C6000_COPY, 26) 55 RELOC_NUMBER (R_C6000_JUMP_SLOT, 27) 56 RELOC_NUMBER (R_C6000_EHTYPE, 28) 57 RELOC_NUMBER (R_C6000_PCR_H16, 29) 58 RELOC_NUMBER (R_C6000_PCR_L16, 30) 59 RELOC_NUMBER (R_C6000_ALIGN, 253) 60 RELOC_NUMBER (R_C6000_FPHEAD, 254) 61 RELOC_NUMBER (R_C6000_NOCMP, 255) 62 END_RELOC_NUMBERS (R_TIC6X_max) 63 64 /* Processor-specific flags. */ 65 66 /* File contains static relocation information. */ 67 #define EF_C6000_REL 0x1 68 69 /* Processor-specific section types. */ 70 71 /* Unwind function table for stack unwinding. */ 72 #define SHT_C6000_UNWIND 0x70000001 73 74 /* DLL dynamic linking pre-emption map. */ 75 #define SHT_C6000_PREEMPTMAP 0x70000002 76 77 /* Object file compatibility attributes. */ 78 #define SHT_C6000_ATTRIBUTES 0x70000003 79 80 /* Intermediate code for link-time optimization. */ 81 #define SHT_TI_ICODE 0x7F000000 82 83 /* Symbolic cross reference information. */ 84 #define SHT_TI_XREF 0x7F000001 85 86 /* Reserved. */ 87 #define SHT_TI_HANDLER 0x7F000002 88 89 /* Compressed data for initializing C variables. */ 90 #define SHT_TI_INITINFO 0x7F000003 91 92 /* Extended program header attributes. */ 93 #define SHT_TI_PHATTRS 0x7F000004 94 95 /* Processor specific section indices. These sections do not actually 96 exist. Symbols with a st_shndx field corresponding to one of these 97 values have a special meaning. */ 98 99 /* Small data area common symbol. */ 100 #define SHN_TIC6X_SCOMMON SHN_LORESERVE 101 102 /* Processor-specific segment types. */ 103 104 /* Extended Segment Attributes. */ 105 #define PT_C6000_PHATTR 0x70000000 106 107 /* Processor-specific dynamic tags. */ 108 109 /* Undocumented. */ 110 #define DT_C6000_GSYM_OFFSET 0x6000000D 111 112 /* Undocumented. */ 113 #define DT_C6000_GSTR_OFFSET 0x6000000F 114 115 /* Statically linked base address of data segment. */ 116 #define DT_C6000_DSBT_BASE 0x70000000 117 118 /* Number of entries in this module's DSBT. */ 119 #define DT_C6000_DSBT_SIZE 0x70000001 120 121 /* Undocumented. */ 122 #define DT_C6000_PREEMPTMAP 0x70000002 123 124 /* The hard-coded DSBT index for this module, if any. */ 125 #define DT_C6000_DSBT_INDEX 0x70000003 126 127 /* Extended program header attributes. */ 128 129 /* Terminate a segment. */ 130 #define PHA_NULL 0x0 131 132 /* Segment's address bound to the final address. */ 133 #define PHA_BOUND 0x1 134 135 /* Segment cannot be further relocated. */ 136 #define PHA_READONLY 0x2 137 138 /* Build attributes. */ 139 enum 140 { 141 #define TAG(tag, value) tag = value, 142 #include "elf/tic6x-attrs.h" 143 #undef TAG 144 Tag_C6XABI_last 145 }; 146 147 /* Values for Tag_ISA. GNU-specific names; the ABI does not specify 148 names for these values. */ 149 enum 150 { 151 C6XABI_Tag_ISA_none = 0, 152 C6XABI_Tag_ISA_C62X = 1, 153 C6XABI_Tag_ISA_C67X = 3, 154 C6XABI_Tag_ISA_C67XP = 4, 155 C6XABI_Tag_ISA_C64X = 6, 156 C6XABI_Tag_ISA_C64XP = 7, 157 C6XABI_Tag_ISA_C674X = 8 158 }; 159 160 /* Special section names. */ 161 #define ELF_STRING_C6000_unwind ".c6xabi.exidx" 162 #define ELF_STRING_C6000_unwind_info ".c6xabi.extab" 163 #define ELF_STRING_C6000_unwind_once ".gnu.linkonce.c6xabi.exidx." 164 #define ELF_STRING_C6000_unwind_info_once ".gnu.linkonce.c6xabi.extab." 165 166 #endif /* _ELF_TIC6X_H */ 167
