| 1 | // aarch64-reloc.def -- AArch64 relocation definitions. |
| 2 | |
| 3 | // Copyright (C) 2014-2019 Free Software Foundation, Inc. |
| 4 | // Written by Han Shen <shenhan@google.com> and Jing Yu <jingyu@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 | // |
| 24 | // |
| 25 | // Insn modified by relocation, see enum Reloc_inst -------------------------------------------------------------------------------------------------+ |
| 26 | // Symbol reference type -----------------------------------------------------------------------------+ | |
| 27 | // Portion off X to retrieve -------------------------------------------------------------------+ | | |
| 28 | // Checking function, see Note(A)---------------------------------------+ | | | |
| 29 | // Group index---------------------------------------------------+ | | | | |
| 30 | // Implemented----------------------------------------------+ | | | | | |
| 31 | // Class-------------------------------------+ | | | | | | |
| 32 | // Type----------------------------+ | | | | | | | |
| 33 | // Name | | | | | | | | |
| 34 | // | | | | | | | | | |
| 35 | ARD(NONE , STATIC , NONE , Y, -1, 0,0 , 0,0 , 0 , DATA ) |
| 36 | // Above is from Table 4-5, Null relocation codes |
| 37 | |
| 38 | ARD(ABS64 , STATIC , DATA , Y, -1, 0,0 , 0,0 , Symbol::ABSOLUTE_REF , DATA ) |
| 39 | ARD(ABS32 , STATIC , DATA , Y, -1, 31,32 , 0,0 , Symbol::ABSOLUTE_REF , DATA ) |
| 40 | ARD(ABS16 , STATIC , DATA , Y, -1, 15,16 , 0,0 , Symbol::ABSOLUTE_REF , DATA ) |
| 41 | ARD(PREL64 , STATIC , DATA , Y, -1, 0,0 , 0,0 , Symbol::RELATIVE_REF , DATA ) |
| 42 | ARD(PREL32 , STATIC , DATA , Y, -1, 31,32 , 0,0 , Symbol::RELATIVE_REF , DATA ) |
| 43 | ARD(PREL16 , STATIC , DATA , Y, -1, 15,16 , 0,0 , Symbol::RELATIVE_REF , DATA ) |
| 44 | // Above is from Table 4-6, Data relocations, 257-262. |
| 45 | |
| 46 | ARD(MOVW_UABS_G0 , STATIC , AARCH64 , Y, 0, 0,16 , 0,15 , Symbol::ABSOLUTE_REF , MOVW ) |
| 47 | ARD(MOVW_UABS_G0_NC , STATIC , AARCH64 , Y, 0, 0,0 , 0,15 , Symbol::ABSOLUTE_REF , MOVW ) |
| 48 | ARD(MOVW_UABS_G1 , STATIC , AARCH64 , Y, 0, 0,32 , 16,31 , Symbol::ABSOLUTE_REF , MOVW ) |
| 49 | ARD(MOVW_UABS_G1_NC , STATIC , AARCH64 , Y, 0, 0,0 , 16,31 , Symbol::ABSOLUTE_REF , MOVW ) |
| 50 | ARD(MOVW_UABS_G2 , STATIC , AARCH64 , Y, 0, 0,48 , 32,47 , Symbol::ABSOLUTE_REF , MOVW ) |
| 51 | ARD(MOVW_UABS_G2_NC , STATIC , AARCH64 , Y, 0, 0,0 , 32,47 , Symbol::ABSOLUTE_REF , MOVW ) |
| 52 | ARD(MOVW_UABS_G3 , STATIC , AARCH64 , Y, 0, 0,0 , 48,63 , Symbol::ABSOLUTE_REF , MOVW ) |
| 53 | // Above is from Table 4-7, Group relocations to create a 16-, 32-, 48-, or 64-bit unsigned data value or address inline. |
| 54 | |
| 55 | ARD(MOVW_SABS_G0 , STATIC , AARCH64 , Y, 0, 16,16 , 0,15 , Symbol::ABSOLUTE_REF , MOVW ) |
| 56 | ARD(MOVW_SABS_G1 , STATIC , AARCH64 , Y, 0, 32,32 , 16,31 , Symbol::ABSOLUTE_REF , MOVW ) |
| 57 | ARD(MOVW_SABS_G2 , STATIC , AARCH64 , Y, 0, 48,48 , 32,47 , Symbol::ABSOLUTE_REF , MOVW ) |
| 58 | // Above is from Table 4-8, Group relocations to create a 16, 32, 48, or 64 bit signed data or offset value inline. |
| 59 | |
| 60 | ARD(LD_PREL_LO19 , STATIC , AARCH64 , Y, -1, 20,20 , 2,20 , Symbol::RELATIVE_REF , LDST ) |
| 61 | ARD(ADR_PREL_LO21 , STATIC , AARCH64 , Y, -1, 20,20 , 0,20 , Symbol::RELATIVE_REF , ADR ) |
| 62 | ARD(ADR_PREL_PG_HI21 , STATIC , AARCH64 , Y, -1, 32,32 , 12,32 , Symbol::RELATIVE_REF , ADRP ) |
| 63 | ARD(ADR_PREL_PG_HI21_NC , STATIC , AARCH64 , Y, -1, 0,0 , 12,32 , Symbol::RELATIVE_REF , ADRP ) |
| 64 | ARD(ADD_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,0 , 0,11 , Symbol::ABSOLUTE_REF , ADD ) |
| 65 | ARD(LDST8_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,0 , 0,11 , Symbol::ABSOLUTE_REF , LDST ) |
| 66 | ARD(LDST16_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN2 , 1,11 , Symbol::ABSOLUTE_REF , LDST ) |
| 67 | ARD(LDST32_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN4 , 2,11 , Symbol::ABSOLUTE_REF , LDST ) |
| 68 | ARD(LDST64_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN8 , 3,11 , Symbol::ABSOLUTE_REF , LDST ) |
| 69 | ARD(LDST128_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN16 , 4,11 , Symbol::ABSOLUTE_REF , LDST ) |
| 70 | // Above 10 relocs are from Table 4-9, Relocations to generate 19, 21 and 33 bit PC-relative addresses. |
| 71 | |
| 72 | ARD(ADR_GOT_PAGE , STATIC , AARCH64 , Y, -1, 32,32 , 12,32 , Symbol::RELATIVE_REF , ADRP ) |
| 73 | ARD(LD64_GOT_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN8 , 3,11 , Symbol::ABSOLUTE_REF , LDST ) |
| 74 | ARD(LD64_GOTPAGE_LO15 , STATIC , AARCH64 , Y, -1, 0,15 , 3,14 , Symbol::RELATIVE_REF , LDST ) |
| 75 | // Above 2 relocs are from Table 4-14, GOT-relative instruction relocations. (Some relocs in the table are not implemented yet.) |
| 76 | |
| 77 | ARD(TSTBR14 , STATIC , CFLOW , N, -1, 15,15 , 2,15 , (Symbol::FUNCTION_CALL|Symbol::ABSOLUTE_REF) , TBZNZ ) |
| 78 | ARD(CONDBR19 , STATIC , CFLOW , N, -1, 20,20 , 2,20 , (Symbol::FUNCTION_CALL|Symbol::ABSOLUTE_REF) , CONDB ) |
| 79 | ARD(CALL26 , STATIC , CFLOW , Y, -1, 27,27 , 2,27 , (Symbol::FUNCTION_CALL|Symbol::RELATIVE_REF) , CALL ) |
| 80 | ARD(JUMP26 , STATIC , CFLOW , Y, -1, 27,27 , 2,27 , (Symbol::FUNCTION_CALL|Symbol::RELATIVE_REF) , B ) |
| 81 | // Above is from Table 4-10, Relocations for control-flow instructions, |
| 82 | // 279-283. |
| 83 | |
| 84 | ARD(TLSGD_ADR_PAGE21 , STATIC , AARCH64 , Y, -1, 32,32 , 12,32 , Symbol::TLS_REF , ADRP ) |
| 85 | ARD(TLSGD_ADD_LO12_NC , STATIC , AARCH64 , Y, -1, 0,0 , 0,11 , Symbol::TLS_REF , ADD ) |
| 86 | // Above is from Table 4-15, General Dynamic TLS relocations, 512-516. |
| 87 | |
| 88 | ARD(TLSLD_ADR_PAGE21 , STATIC , AARCH64 , Y, -1, 32,32 , 12,32 , Symbol::TLS_REF , ADRP ) |
| 89 | ARD(TLSLD_ADD_LO12_NC , STATIC , AARCH64 , Y, -1, 0,0 , 0,11 , Symbol::TLS_REF , ADD ) |
| 90 | ARD(TLSLD_MOVW_DTPREL_G1 , STATIC , AARCH64 , Y, 1, 32,32 , 16,31 , Symbol::TLS_REF , ADRP ) |
| 91 | ARD(TLSLD_MOVW_DTPREL_G0_NC , STATIC , AARCH64 , Y, 0, 0,0 , 0,15 , Symbol::TLS_REF , MOVW ) |
| 92 | ARD(TLSLD_ADD_DTPREL_HI12 , STATIC , AARCH64 , Y, -1, 0,24 , 12,23 , Symbol::TLS_REF , ADD ) |
| 93 | ARD(TLSLD_ADD_DTPREL_LO12_NC , STATIC , AARCH64 , Y, -1, 0,0 , 0,11 , Symbol::TLS_REF , ADD ) |
| 94 | // Above is from Table 4-16, Local Dynamic TLS relocations, 517-573. |
| 95 | |
| 96 | ARD(TLSIE_MOVW_GOTTPREL_G1 , STATIC , AARCH64 , N, -1, 32,32 , 16,31 , Symbol::TLS_REF , MOVW ) |
| 97 | ARD(TLSIE_MOVW_GOTTPREL_G0_NC , STATIC , AARCH64 , N, -1, 0,0 , 0,15 , Symbol::TLS_REF , MOVW ) |
| 98 | ARD(TLSIE_ADR_GOTTPREL_PAGE21 , STATIC , AARCH64 , Y, -1, 32,32 , 12,32 , Symbol::TLS_REF , ADRP ) |
| 99 | ARD(TLSIE_LD64_GOTTPREL_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN8 , 3,11 , Symbol::TLS_REF , LDST ) |
| 100 | ARD(TLSIE_LD_GOTTPREL_PREL19 , STATIC , AARCH64 , N, -1, 20,20 , 2,20 , Symbol::TLS_REF , LD ) |
| 101 | // Above is from Table 4-17, Initial Exec TLS relocations, 539-543. |
| 102 | |
| 103 | ARD(TLSLE_MOVW_TPREL_G2 , STATIC , AARCH64 , Y, 2, 48,48 , 32,47 , Symbol::TLS_REF , MOVW ) |
| 104 | ARD(TLSLE_MOVW_TPREL_G1 , STATIC , AARCH64 , Y, 1, 32,32 , 16,31 , Symbol::TLS_REF , MOVW ) |
| 105 | ARD(TLSLE_MOVW_TPREL_G1_NC , STATIC , AARCH64 , Y, 1, 0,0 , 16,31 , Symbol::TLS_REF , MOVW ) |
| 106 | ARD(TLSLE_MOVW_TPREL_G0 , STATIC , AARCH64 , Y, 0, 16,16 , 0,15 , Symbol::TLS_REF , MOVW ) |
| 107 | ARD(TLSLE_MOVW_TPREL_G0_NC , STATIC , AARCH64 , Y, 0, 0,0 , 0,15 , Symbol::TLS_REF , MOVW ) |
| 108 | ARD(TLSLE_ADD_TPREL_HI12 , STATIC , AARCH64 , Y, -1, 0,24 , 12,23 , Symbol::TLS_REF , ADD ) |
| 109 | ARD(TLSLE_ADD_TPREL_LO12 , STATIC , AARCH64 , Y, -1, 0,12 , 0,11 , Symbol::TLS_REF , ADD ) |
| 110 | ARD(TLSLE_ADD_TPREL_LO12_NC , STATIC , AARCH64 , Y, -1, 0,0 , 0,11 , Symbol::TLS_REF , ADD ) |
| 111 | ARD(TLSLE_LDST8_TPREL_LO12 , STATIC , AARCH64 , Y, -1, 0,12 , 0,11 , Symbol::TLS_REF , LDST ) |
| 112 | ARD(TLSLE_LDST8_TPREL_LO12_NC , STATIC , AARCH64 , Y, -1, 0,0 , 0,11 , Symbol::TLS_REF , LDST ) |
| 113 | ARD(TLSLE_LDST16_TPREL_LO12 , STATIC , AARCH64 , Y, -1, 0,12 , 1,11 , Symbol::TLS_REF , LDST ) |
| 114 | ARD(TLSLE_LDST16_TPREL_LO12_NC , STATIC , AARCH64 , Y, -1, 0,0 , 1,11 , Symbol::TLS_REF , LDST ) |
| 115 | ARD(TLSLE_LDST32_TPREL_LO12 , STATIC , AARCH64 , Y, -1, 0,12 , 2,11 , Symbol::TLS_REF , LDST ) |
| 116 | ARD(TLSLE_LDST32_TPREL_LO12_NC , STATIC , AARCH64 , Y, -1, 0,0 , 2,11 , Symbol::TLS_REF , LDST ) |
| 117 | ARD(TLSLE_LDST64_TPREL_LO12 , STATIC , AARCH64 , Y, -1, 0,12 , 3,11 , Symbol::TLS_REF , LDST ) |
| 118 | ARD(TLSLE_LDST64_TPREL_LO12_NC , STATIC , AARCH64 , Y, -1, 0,0 , 3,11 , Symbol::TLS_REF , LDST ) |
| 119 | // Above is from Table 4-18, Local Exec TLS relocations, 544-571. |
| 120 | |
| 121 | ARD(TLSDESC_ADR_PAGE21 , STATIC , AARCH64 , Y, -1, 32,32 , 12,32 , Symbol::TLS_REF , ADRP ) |
| 122 | ARD(TLSDESC_LD64_LO12 , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN8 , 3,11 , Symbol::TLS_REF , LDST ) |
| 123 | ARD(TLSDESC_ADD_LO12 , STATIC , AARCH64 , Y, -1, 0,0 , 0,11 , Symbol::TLS_REF , ADD ) |
| 124 | ARD(TLSDESC_CALL , STATIC , CFLOW , Y, -1, 0,0 , 0,0 , Symbol::TLS_REF , CALL ) |
| 125 | // Above is from Table 4-19, TLS descriptor relocations, 560-569. |
| 126 | |
| 127 | // Note - |
| 128 | // A - Checking X, (L,U), if L == 0 && U == 0, no check. Otherwise, L!=0, |
| 129 | // check that -2^L<=X<2^U. Also an extra alignment check could be embedded |
| 130 | // into U. |