| 1 | // arm-reloc.def -- ARM relocation definitions. |
| 2 | |
| 3 | // Copyright 2010 Free Software Foundation, Inc. |
| 4 | // Written by Doug Kwan <dougkwan@google.com>. |
| 5 | |
| 6 | // This file is part of gold. |
| 7 | |
| 8 | // This program is free software; you can redistribute it and/or modify |
| 9 | // it under the terms of the GNU General Public License as published by |
| 10 | // the Free Software Foundation; either version 3 of the License, or |
| 11 | // (at your option) any later version. |
| 12 | |
| 13 | // This program is distributed in the hope that it will be useful, |
| 14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | // GNU General Public License for more details. |
| 17 | |
| 18 | // You should have received a copy of the GNU General Public License |
| 19 | // along with this program; if not, write to the Free Software |
| 20 | // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 21 | // MA 02110-1301, USA. |
| 22 | |
| 23 | // The information here is based on the official ARM document "ELF for ARM |
| 24 | // Architecture" (Document number ARM IHI 0044C). The first five columns of |
| 25 | // the table below are derived from Table 4-8 in the ARM ELF document. Each |
| 26 | // relocation from Table 4-8 corresponds to one relocation definition in the |
| 27 | // table below. A relocation definition has the following information: |
| 28 | // |
| 29 | // Name: This is the name of the relocation without the "R_ARM_" prefix. |
| 30 | // |
| 31 | // Type: Relocation type. There are four. |
| 32 | // - STATIC for static relocations processed by a static linker. |
| 33 | // - DYNAMIC for dynamic relocations processed by a dynamic linker. |
| 34 | // - PRIVATE for R_ARM_PRIVATE_<n> private relocation type. |
| 35 | // - OBSOLETE for old relocation types no longer used. |
| 36 | // We do not use DEPRECATED as a distinct type since we still have to |
| 37 | // handle deprecated relocations so we one of the types above. |
| 38 | // |
| 39 | // Deprecated: Whether this is a deprecated relocation type. The linker |
| 40 | // is expected to handle these though they should not be generated by fully |
| 41 | // conforming tool-chains. |
| 42 | // |
| 43 | // Operation: An expression specifying how the linker should perform a |
| 44 | // relocation. If there is no operation or the operation cannot be |
| 45 | // specified, it is "NONE". |
| 46 | // |
| 47 | // Implemented: Whether this is implemented by the gold. |
| 48 | // |
| 49 | // Group_index: For a group relocation type, it is one of 0, 1 or 2. For |
| 50 | // a non-group relocation type, it is -1. |
| 51 | // |
| 52 | // Overflow: Whether gold should check for overflow. This is "No" by default |
| 53 | // for relocation types DYNAMIC, PRIVATE and OBSOLETE. |
| 54 | // |
| 55 | // Overflow-----------------------------------------------------------------+ |
| 56 | // Group index----------------------------------------------------------+ | |
| 57 | // Implemented-------------------------------------------------------+ | | |
| 58 | // Operation-------------------------------+ | | | |
| 59 | // Class----------------------------+ | | | | |
| 60 | // Deprecated--------------------+ | | | | | |
| 61 | // Type----------------+ | | | | | | |
| 62 | // Name | | | | | | | |
| 63 | // | | | | | | | | |
| 64 | RD(NONE , STATIC , N, MISC , NONE , Y, -1, N) |
| 65 | RD(PC24 , STATIC , Y, ARM , ((S + A) | T) - P , Y, -1, Y) |
| 66 | RD(ABS32 , STATIC , N, DATA , (S + A) | T , Y, -1, N) |
| 67 | RD(REL32 , STATIC , N, DATA , ((S + A) | T) - P , Y, -1, N) |
| 68 | RD(LDR_PC_G0 , STATIC , N, ARM , S + A - P , Y, 0, Y) |
| 69 | RD(ABS16 , STATIC , N, DATA , S + A , Y, -1, Y) |
| 70 | RD(ABS12 , STATIC , N, ARM , S + A , Y, -1, Y) |
| 71 | RD(THM_ABS5 , STATIC , N, THM16, S + A , Y, -1, Y) |
| 72 | RD(ABS8 , STATIC , N, DATA , S + A , Y, -1, Y) |
| 73 | RD(SBREL32 , STATIC , N, DATA , ((S + A) | T) - B(S) , N, -1, N) |
| 74 | RD(THM_CALL , STATIC , N, THM32, ((S + A) | T) - P , Y, -1, Y) |
| 75 | RD(THM_PC8 , STATIC , N, THM16, S + A - Pa , Y, -1, Y) |
| 76 | RD(BREL_ADJ , DYNAMIC , N, DATA , DELTA_B(S) + A , Y, -1, N) |
| 77 | RD(TLS_DESC , DYNAMIC , N, DATA , NONE , Y, -1, N) |
| 78 | RD(THM_SWI8 , OBSOLETE, N, NONE , NONE , N, -1, N) |
| 79 | RD(XPC25 , OBSOLETE, N, NONE , NONE , N, -1, N) |
| 80 | RD(THM_XPC22 , OBSOLETE, N, NONE , NONE , N, -1, N) |
| 81 | RD(TLS_DTPMOD32 , DYNAMIC , N, DATA , Module(S) , Y, -1, N) |
| 82 | RD(TLS_DTPOFF32 , DYNAMIC , N, DATA , S + A - TLS , Y, -1, N) |
| 83 | RD(TLS_TPOFF32 , DYNAMIC , N, DATA , S + A - tp , Y, -1, N) |
| 84 | RD(COPY , DYNAMIC , N, MISC , NONE , Y, -1, N) |
| 85 | RD(GLOB_DAT , DYNAMIC , N, DATA , (S + A) | T , Y, -1, N) |
| 86 | RD(JUMP_SLOT , DYNAMIC , N, DATA , (S + A) | T , Y, -1, N) |
| 87 | RD(RELATIVE , DYNAMIC , N, DATA , B(S) + A , Y, -1, N) |
| 88 | RD(GOTOFF32 , STATIC , N, DATA , ((S + A) | T) - GOT_ORG, Y, -1, N) |
| 89 | RD(BASE_PREL , STATIC , N, DATA , B(S) + A - P , Y, -1, N) |
| 90 | RD(GOT_BREL , STATIC , N, DATA , GOT(S) + A - GOT_ORG , Y, -1, N) |
| 91 | RD(PLT32 , STATIC , Y, ARM , ((S + A) | T) - P , Y, -1, Y) |
| 92 | RD(CALL , STATIC , N, ARM , ((S + A) | T) - P , Y, -1, Y) |
| 93 | RD(JUMP24 , STATIC , N, ARM , ((S + A) | T) - P , Y, -1, Y) |
| 94 | RD(THM_JUMP24 , STATIC , N, THM32, ((S + A) | T) - P , Y, -1, Y) |
| 95 | RD(BASE_ABS , STATIC , N, DATA , B(S) + A , Y, -1, N) |
| 96 | RD(ALU_PCREL_7_0 , OBSOLETE, N, NONE , NONE , N, -1, N) |
| 97 | RD(ALU_PCREL_15_8 , OBSOLETE, N, NONE , NONE , N, -1, N) |
| 98 | RD(ALU_PCREL_23_15 , OBSOLETE, N, NONE , NONE , N, -1, N) |
| 99 | RD(LDR_SBREL_11_0_NC , STATIC , Y, ARM , S + A - B(S) , N, -1, N) |
| 100 | RD(ALU_SBREL_19_12_NC, STATIC , Y, ARM , S + A - B(S) , N, -1, N) |
| 101 | RD(ALU_SBREL_27_20_CK, STATIC , Y, ARM , S + A - B(S) , N, -1, Y) |
| 102 | RD(TARGET1 , STATIC , N, MISC , NONE , Y, -1, N) |
| 103 | RD(SBREL31 , STATIC , Y, DATA , ((S + A) | T) - B(S) , N, -1, N) |
| 104 | RD(V4BX , STATIC , N, MISC , NONE , Y, -1, N) |
| 105 | RD(TARGET2 , STATIC , N, MISC , NONE , Y, -1, N) |
| 106 | RD(PREL31 , STATIC , N, DATA , ((S + A) | T) - P , Y, -1, Y) |
| 107 | RD(MOVW_ABS_NC , STATIC , N, ARM , (S + A) | T , Y, -1, N) |
| 108 | RD(MOVT_ABS , STATIC , N, ARM , S + A , Y, -1, Y) |
| 109 | RD(MOVW_PREL_NC , STATIC , N, ARM , ((S + A) | T) - P , Y, -1, N) |
| 110 | RD(MOVT_PREL , STATIC , N, ARM , (S + A) - P , Y, -1, Y) |
| 111 | RD(THM_MOVW_ABS_NC , STATIC , N, THM32, (S + A) | T , Y, -1, N) |
| 112 | RD(THM_MOVT_ABS , STATIC , N, THM32, S + A , Y, -1, N) |
| 113 | RD(THM_MOVW_PREL_NC , STATIC , N, THM32, ((S + A) | T) - P , Y, -1, N) |
| 114 | RD(THM_MOVT_PREL , STATIC , N, THM32, S + A - P , Y, -1, N) |
| 115 | RD(THM_JUMP19 , STATIC , N, THM32, ((S + A) | T) - P , Y, -1, Y) |
| 116 | RD(THM_JUMP6 , STATIC , N, THM16, S + A - P , Y, -1, Y) |
| 117 | RD(THM_ALU_PREL_11_0 , STATIC , N, THM32, ((S + A) | T) - Pa , Y, -1, Y) |
| 118 | RD(THM_PC12 , STATIC , N, THM32, S + A - Pa , Y, -1, Y) |
| 119 | RD(ABS32_NOI , STATIC , N, DATA , S + A , Y, -1, N) |
| 120 | RD(REL32_NOI , STATIC , N, DATA , S + A - P , N, -1, N) |
| 121 | RD(ALU_PC_G0_NC , STATIC , N, ARM , ((S + A) | T) - P , Y, 0, N) |
| 122 | RD(ALU_PC_G0 , STATIC , N, ARM , ((S + A) | T) - P , Y, 0, Y) |
| 123 | RD(ALU_PC_G1_NC , STATIC , N, ARM , ((S + A) | T) - P , Y, 1, N) |
| 124 | RD(ALU_PC_G1 , STATIC , N, ARM , ((S + A) | T) - P , Y, 1, Y) |
| 125 | RD(ALU_PC_G2 , STATIC , N, ARM , ((S + A) | T) - P , Y, 2, Y) |
| 126 | RD(LDR_PC_G1 , STATIC , N, ARM , S + A - P , Y, 1, Y) |
| 127 | RD(LDR_PC_G2 , STATIC , N, ARM , S + A - P , Y, 2, Y) |
| 128 | RD(LDRS_PC_G0 , STATIC , N, ARM , S + A - P , Y, 0, Y) |
| 129 | RD(LDRS_PC_G1 , STATIC , N, ARM , S + A - P , Y, 1, Y) |
| 130 | RD(LDRS_PC_G2 , STATIC , N, ARM , S + A - P , Y, 2, Y) |
| 131 | RD(LDC_PC_G0 , STATIC , N, ARM , S + A - P , Y, 0, Y) |
| 132 | RD(LDC_PC_G1 , STATIC , N, ARM , S + A - P , Y, 1, Y) |
| 133 | RD(LDC_PC_G2 , STATIC , N, ARM , S + A - P , Y, 2, Y) |
| 134 | RD(ALU_SB_G0_NC , STATIC , N, ARM , ((S + A) | T) - B(S) , Y, 0, N) |
| 135 | RD(ALU_SB_G0 , STATIC , N, ARM , ((S + A) | T) - B(S) , Y, 0, Y) |
| 136 | RD(ALU_SB_G1_NC , STATIC , N, ARM , ((S + A) | T) - B(S) , Y, 1, N) |
| 137 | RD(ALU_SB_G1 , STATIC , N, ARM , ((S + A) | T) - B(S) , Y, 1, Y) |
| 138 | RD(ALU_SB_G2 , STATIC , N, ARM , ((S + A) | T) - B(S) , Y, 2, Y) |
| 139 | RD(LDR_SB_G0 , STATIC , N, ARM , S + A - B(S) , Y, 0, Y) |
| 140 | RD(LDR_SB_G1 , STATIC , N, ARM , S + A - B(S) , Y, 1, Y) |
| 141 | RD(LDR_SB_G2 , STATIC , N, ARM , S + A - B(S) , Y, 2, Y) |
| 142 | RD(LDRS_SB_G0 , STATIC , N, ARM , S + A - B(S) , Y, 0, Y) |
| 143 | RD(LDRS_SB_G1 , STATIC , N, ARM , S + A - B(S) , Y, 1, Y) |
| 144 | RD(LDRS_SB_G2 , STATIC , N, ARM , S + A - B(S) , Y, 2, Y) |
| 145 | RD(LDC_SB_G0 , STATIC , N, ARM , S + A - B(S) , Y, 0, Y) |
| 146 | RD(LDC_SB_G1 , STATIC , N, ARM , S + A - B(S) , Y, 1, Y) |
| 147 | RD(LDC_SB_G2 , STATIC , N, ARM , S + A - B(S) , Y, 2, Y) |
| 148 | RD(MOVW_BREL_NC , STATIC , N, ARM , ((S + A) | T) - B(S) , Y, -1, N) |
| 149 | RD(MOVT_BREL , STATIC , N, ARM , S + A - B(S) , Y, -1, Y) |
| 150 | RD(MOVW_BREL , STATIC , N, ARM , ((S + A) | T) - B(S) , Y, -1, Y) |
| 151 | RD(THM_MOVW_BREL_NC , STATIC , N, THM32, ((S + A) | T) - B(S) , Y, -1, N) |
| 152 | RD(THM_MOVT_BREL , STATIC , N, THM32, S + A - B(S) , Y, -1, N) |
| 153 | RD(THM_MOVW_BREL , STATIC , N, THM32, ((S + A) | T) - B(S) , Y, -1, Y) |
| 154 | RD(TLS_GOTDESC , STATIC , N, DATA , NONE , Y, -1, N) |
| 155 | RD(TLS_CALL , STATIC , N, ARM , NONE , N, -1, Y) |
| 156 | RD(TLS_DESCSEQ , STATIC , N, ARM , NONE , N, -1, Y) |
| 157 | RD(THM_TLS_CALL , STATIC , N, THM32, NONE , N, -1, Y) |
| 158 | RD(PLT32_ABS , STATIC , N, DATA , PLT(S) + A , N, -1, N) |
| 159 | RD(GOT_ABS , STATIC , N, DATA , GOT(S) + A , N, -1, N) |
| 160 | RD(GOT_PREL , STATIC , N, DATA , GOT(S) + A - P , Y, -1, N) |
| 161 | RD(GOT_BREL12 , STATIC , N, ARM , GOT(S) + A - GOT_ORG , N, -1, Y) |
| 162 | RD(GOTOFF12 , STATIC , N, ARM , S + A - GOT_ORG , N, -1, Y) |
| 163 | RD(GOTRELAX , STATIC , N, MISC , NONE , N, -1, N) |
| 164 | RD(GNU_VTENTRY , STATIC , Y, DATA , NONE , Y, -1, N) |
| 165 | RD(GNU_VTINHERIT , STATIC , Y, DATA , NONE , Y, -1, N) |
| 166 | RD(THM_JUMP11 , STATIC , N, THM16, S + A - P , Y, -1, Y) |
| 167 | RD(THM_JUMP8 , STATIC , N, THM16, S + A - P , Y, -1, Y) |
| 168 | RD(TLS_GD32 , STATIC , N, DATA , GOT(S) + A - P , Y, -1, N) |
| 169 | RD(TLS_LDM32 , STATIC , N, DATA , GOT(S) + A - P , Y, -1, N) |
| 170 | RD(TLS_LDO32 , STATIC , N, DATA , S + A - TLS , Y, -1, N) |
| 171 | RD(TLS_IE32 , STATIC , N, DATA , GOT(S) + A - P , Y, -1, N) |
| 172 | RD(TLS_LE32 , STATIC , N, DATA , S + A - tp , Y, -1, N) |
| 173 | RD(TLS_LDO12 , STATIC , N, ARM , S + A - TLS , N, -1, Y) |
| 174 | RD(TLS_LE12 , STATIC , N, ARM , S + A - tp , N, -1, Y) |
| 175 | RD(TLS_IE12GP , STATIC , N, ARM , GOT(S) + A - GOT_ORG , N, -1, Y) |
| 176 | RD(PRIVATE_0 , PRIVATE , N, NONE , NONE , N, -1, N) |
| 177 | RD(PRIVATE_1 , PRIVATE , N, NONE , NONE , N, -1, N) |
| 178 | RD(PRIVATE_2 , PRIVATE , N, NONE , NONE , N, -1, N) |
| 179 | RD(PRIVATE_3 , PRIVATE , N, NONE , NONE , N, -1, N) |
| 180 | RD(PRIVATE_4 , PRIVATE , N, NONE , NONE , N, -1, N) |
| 181 | RD(PRIVATE_5 , PRIVATE , N, NONE , NONE , N, -1, N) |
| 182 | RD(PRIVATE_6 , PRIVATE , N, NONE , NONE , N, -1, N) |
| 183 | RD(PRIVATE_7 , PRIVATE , N, NONE , NONE , N, -1, N) |
| 184 | RD(PRIVATE_8 , PRIVATE , N, NONE , NONE , N, -1, N) |
| 185 | RD(PRIVATE_9 , PRIVATE , N, NONE , NONE , N, -1, N) |
| 186 | RD(PRIVATE_10 , PRIVATE , N, NONE , NONE , N, -1, N) |
| 187 | RD(PRIVATE_11 , PRIVATE , N, NONE , NONE , N, -1, N) |
| 188 | RD(PRIVATE_12 , PRIVATE , N, NONE , NONE , N, -1, N) |
| 189 | RD(PRIVATE_13 , PRIVATE , N, NONE , NONE , N, -1, N) |
| 190 | RD(PRIVATE_14 , PRIVATE , N, NONE , NONE , N, -1, N) |
| 191 | RD(PRIVATE_15 , PRIVATE , N, NONE , NONE , N, -1, N) |
| 192 | RD(ME_TOO , OBSOLETE, N, NONE , NONE , N, -1, N) |
| 193 | RD(THM_TLS_DESCSEQ16 , STATIC , N, THM16, NONE , N, -1, Y) |
| 194 | RD(THM_TLS_DESCSEQ32 , STATIC , N, THM32, NONE , N, -1, Y) |