1 /* TI C6X ELF support for BFD. 2 Copyright 2010, 2011 3 Free Software Foundation, Inc. 4 5 This file is part of BFD, the Binary File Descriptor library. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program; if not, write to the Free Software 19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 20 MA 02110-1301, USA. */ 21 22 #ifndef _ELF_TIC6X_H 23 #define _ELF_TIC6X_H 24 25 #include "elf/reloc-macros.h" 26 27 /* Relocation types. */ 28 START_RELOC_NUMBERS (elf_tic6x_reloc_type) 29 RELOC_NUMBER (R_C6000_NONE, 0) 30 RELOC_NUMBER (R_C6000_ABS32, 1) 31 RELOC_NUMBER (R_C6000_ABS16, 2) 32 RELOC_NUMBER (R_C6000_ABS8, 3) 33 RELOC_NUMBER (R_C6000_PCR_S21, 4) 34 RELOC_NUMBER (R_C6000_PCR_S12, 5) 35 RELOC_NUMBER (R_C6000_PCR_S10, 6) 36 RELOC_NUMBER (R_C6000_PCR_S7, 7) 37 RELOC_NUMBER (R_C6000_ABS_S16, 8) 38 RELOC_NUMBER (R_C6000_ABS_L16, 9) 39 RELOC_NUMBER (R_C6000_ABS_H16, 10) 40 RELOC_NUMBER (R_C6000_SBR_U15_B, 11) 41 RELOC_NUMBER (R_C6000_SBR_U15_H, 12) 42 RELOC_NUMBER (R_C6000_SBR_U15_W, 13) 43 RELOC_NUMBER (R_C6000_SBR_S16, 14) 44 RELOC_NUMBER (R_C6000_SBR_L16_B, 15) 45 RELOC_NUMBER (R_C6000_SBR_L16_H, 16) 46 RELOC_NUMBER (R_C6000_SBR_L16_W, 17) 47 RELOC_NUMBER (R_C6000_SBR_H16_B, 18) 48 RELOC_NUMBER (R_C6000_SBR_H16_H, 19) 49 RELOC_NUMBER (R_C6000_SBR_H16_W, 20) 50 RELOC_NUMBER (R_C6000_SBR_GOT_U15_W, 21) 51 RELOC_NUMBER (R_C6000_SBR_GOT_L16_W, 22) 52 RELOC_NUMBER (R_C6000_SBR_GOT_H16_W, 23) 53 RELOC_NUMBER (R_C6000_DSBT_INDEX, 24) 54 RELOC_NUMBER (R_C6000_PREL31, 25) 55 RELOC_NUMBER (R_C6000_COPY, 26) 56 RELOC_NUMBER (R_C6000_JUMP_SLOT, 27) 57 RELOC_NUMBER (R_C6000_EHTYPE, 28) 58 RELOC_NUMBER (R_C6000_PCR_H16, 29) 59 RELOC_NUMBER (R_C6000_PCR_L16, 30) 60 RELOC_NUMBER (R_C6000_ALIGN, 253) 61 RELOC_NUMBER (R_C6000_FPHEAD, 254) 62 RELOC_NUMBER (R_C6000_NOCMP, 255) 63 END_RELOC_NUMBERS (R_TIC6X_max) 64 65 /* Processor-specific flags. */ 66 67 /* File contains static relocation information. */ 68 #define EF_C6000_REL 0x1 69 70 /* Processor-specific section types. */ 71 72 /* Unwind function table for stack unwinding. */ 73 #define SHT_C6000_UNWIND 0x70000001 74 75 /* DLL dynamic linking pre-emption map. */ 76 #define SHT_C6000_PREEMPTMAP 0x70000002 77 78 /* Object file compatibility attributes. */ 79 #define SHT_C6000_ATTRIBUTES 0x70000003 80 81 /* Intermediate code for link-time optimization. */ 82 #define SHT_TI_ICODE 0x7F000000 83 84 /* Symbolic cross reference information. */ 85 #define SHT_TI_XREF 0x7F000001 86 87 /* Reserved. */ 88 #define SHT_TI_HANDLER 0x7F000002 89 90 /* Compressed data for initializing C variables. */ 91 #define SHT_TI_INITINFO 0x7F000003 92 93 /* Extended program header attributes. */ 94 #define SHT_TI_PHATTRS 0x7F000004 95 96 /* Processor specific section indices. These sections do not actually 97 exist. Symbols with a st_shndx field corresponding to one of these 98 values have a special meaning. */ 99 100 /* Small data area common symbol. */ 101 #define SHN_TIC6X_SCOMMON SHN_LORESERVE 102 103 /* Processor-specific segment types. */ 104 105 /* Extended Segment Attributes. */ 106 #define PT_C6000_PHATTR 0x70000000 107 108 /* Processor-specific dynamic tags. */ 109 110 /* Undocumented. */ 111 #define DT_C6000_GSYM_OFFSET 0x6000000D 112 113 /* Undocumented. */ 114 #define DT_C6000_GSTR_OFFSET 0x6000000F 115 116 /* Statically linked base address of data segment. */ 117 #define DT_C6000_DSBT_BASE 0x70000000 118 119 /* Number of entries in this module's DSBT. */ 120 #define DT_C6000_DSBT_SIZE 0x70000001 121 122 /* Undocumented. */ 123 #define DT_C6000_PREEMPTMAP 0x70000002 124 125 /* The hard-coded DSBT index for this module, if any. */ 126 #define DT_C6000_DSBT_INDEX 0x70000003 127 128 /* Extended program header attributes. */ 129 130 /* Terminate a segment. */ 131 #define PHA_NULL 0x0 132 133 /* Segment's address bound to the final address. */ 134 #define PHA_BOUND 0x1 135 136 /* Segment cannot be further relocated. */ 137 #define PHA_READONLY 0x2 138 139 /* Build attributes. */ 140 enum 141 { 142 #define TAG(tag, value) tag = value, 143 #include "elf/tic6x-attrs.h" 144 #undef TAG 145 Tag_C6XABI_last 146 }; 147 148 /* Values for Tag_ISA. GNU-specific names; the ABI does not specify 149 names for these values. */ 150 enum 151 { 152 C6XABI_Tag_ISA_none = 0, 153 C6XABI_Tag_ISA_C62X = 1, 154 C6XABI_Tag_ISA_C67X = 3, 155 C6XABI_Tag_ISA_C67XP = 4, 156 C6XABI_Tag_ISA_C64X = 6, 157 C6XABI_Tag_ISA_C64XP = 7, 158 C6XABI_Tag_ISA_C674X = 8 159 }; 160 161 #endif /* _ELF_TIC6X_H */ 162