// aarch64-reloc.def -- AArch64 relocation definitions. // Copyright (C) 2014 Free Software Foundation, Inc. // Written by Han Shen <shenhan@google.com> and Jing Yu <jingyu@google.com>. // This file is part of gold. // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 3 of the License, or // (at your option) any later version. // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, // MA 02110-1301, USA. // // // // Insn modified by relocation, see enum Reloc_inst -------------------------------------------------------------------------------------------------+ // Symbol reference type -----------------------------------------------------------------------------+ | // Portion off X to retrieve -------------------------------------------------------------------+ | | // Checking function, see Note(A)---------------------------------------+ | | | // Group index---------------------------------------------------+ | | | | // Implemented----------------------------------------------+ | | | | | // Class-------------------------------------+ | | | | | | // Type----------------------------+ | | | | | | | // Name | | | | | | | | // | | | | | | | | | ARD(ABS64 , STATIC , DATA , Y, -1, 0,0 , 0,0 , Symbol::ABSOLUTE_REF , DATA ) ARD(ABS32 , STATIC , DATA , Y, -1, 31,32 , 0,0 , Symbol::ABSOLUTE_REF , DATA ) ARD(ABS16 , STATIC , DATA , Y, -1, 15,16 , 0,0 , Symbol::ABSOLUTE_REF , DATA ) ARD(PREL64 , STATIC , DATA , Y, -1, 0,0 , 0,0 , Symbol::RELATIVE_REF , DATA ) ARD(PREL32 , STATIC , DATA , Y, -1, 31,32 , 0,0 , Symbol::RELATIVE_REF , DATA ) ARD(PREL16 , STATIC , DATA , Y, -1, 15,16 , 0,0 , Symbol::RELATIVE_REF , DATA ) // Above is from Table 4-6, Data relocations, 257-262. ARD(LD_PREL_LO19 , STATIC , AARCH64 , Y, -1, 20,20 , 2,20 , Symbol::RELATIVE_REF , LDST ) ARD(ADR_PREL_LO21 , STATIC , AARCH64 , Y, -1, 20,20 , 0,20 , Symbol::RELATIVE_REF , ADR ) ARD(ADR_PREL_PG_HI21 , STATIC , AARCH64 , Y, -1, 32,32 , 12,32 , Symbol::RELATIVE_REF , ADRP ) ARD(ADR_PREL_PG_HI21_NC , STATIC , AARCH64 , Y, -1, 0,0 , 12,32 , Symbol::RELATIVE_REF , ADRP ) ARD(ADD_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,0 , 0,11 , Symbol::ABSOLUTE_REF , ADD ) ARD(LDST8_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,0 , 0,11 , Symbol::ABSOLUTE_REF , LDST ) ARD(LDST16_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN2 , 1,11 , Symbol::ABSOLUTE_REF , LDST ) ARD(LDST32_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN4 , 2,11 , Symbol::ABSOLUTE_REF , LDST ) ARD(LDST64_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN8 , 3,11 , Symbol::ABSOLUTE_REF , LDST ) ARD(LDST128_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN16 , 4,11 , Symbol::ABSOLUTE_REF , LDST ) // Above 10 relocs are from Table 4-9, Relocations to generate 19, 21 and 33 bit PC-relative addresses. ARD(ADR_GOT_PAGE , STATIC , AARCH64 , Y, -1, 32,32 , 12,32 , Symbol::RELATIVE_REF , ADRP ) ARD(LD64_GOT_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN8 , 3,11 , Symbol::ABSOLUTE_REF , LDST ) // Above 2 relocs are from Table 4-14, GOT-relative instruction relocations. (Some relocs in the table are not implemented yet.) ARD(TSTBR14 , STATIC , CFLOW , N, -1, 15,15 , 2,15 , (Symbol::FUNCTION_CALL|Symbol::ABSOLUTE_REF) , TBZNZ ) ARD(CONDBR19 , STATIC , CFLOW , N, -1, 20,20 , 2,20 , (Symbol::FUNCTION_CALL|Symbol::ABSOLUTE_REF) , CONDB ) ARD(CALL26 , STATIC , CFLOW , Y, -1, 27,27 , 2,27 , (Symbol::FUNCTION_CALL|Symbol::RELATIVE_REF) , CALL ) ARD(JUMP26 , STATIC , CFLOW , Y, -1, 27,27 , 2,27 , (Symbol::FUNCTION_CALL|Symbol::RELATIVE_REF) , B ) // Above is from Table 4-10, Relocations for control-flow instructions, // 279-283. ARD(TLSGD_ADR_PAGE21 , STATIC , AARCH64 , Y, -1, 32,32 , 12,32 , Symbol::TLS_REF , ADRP ) ARD(TLSGD_ADD_LO12_NC , STATIC , AARCH64 , Y, -1, 0,0 , 0,11 , Symbol::TLS_REF , ADD ) // Above is from Table 4-15, General Dynamic TLS relocations, 512-516. ARD(TLSLD_ADR_PAGE21 , STATIC , AARCH64 , Y, -1, 32,32 , 12,32 , Symbol::TLS_REF , ADRP ) ARD(TLSLD_ADD_LO12_NC , STATIC , AARCH64 , Y, -1, 0,0 , 0,11 , Symbol::TLS_REF , ADD ) ARD(TLSLD_MOVW_DTPREL_G1 , STATIC , AARCH64 , Y, 1, 32,32 , 16,31 , Symbol::TLS_REF , ADRP ) ARD(TLSLD_MOVW_DTPREL_G0_NC , STATIC , AARCH64 , Y, 0, 0,0 , 0,15 , Symbol::TLS_REF , MOVW ) ARD(TLSLD_ADD_DTPREL_HI12 , STATIC , AARCH64 , Y, -1, 0,24 , 12,23 , Symbol::TLS_REF , ADD ) ARD(TLSLD_ADD_DTPREL_LO12_NC , STATIC , AARCH64 , Y, -1, 0,0 , 0,11 , Symbol::TLS_REF , ADD ) // Above is from Table 4-16, Local Dynamic TLS relocations, 517-573. ARD(TLSIE_MOVW_GOTTPREL_G1 , STATIC , AARCH64 , N, -1, 32,32 , 16,31 , Symbol::TLS_REF , MOVW ) ARD(TLSIE_MOVW_GOTTPREL_G0_NC , STATIC , AARCH64 , N, -1, 0,0 , 0,15 , Symbol::TLS_REF , MOVW ) ARD(TLSIE_ADR_GOTTPREL_PAGE21 , STATIC , AARCH64 , Y, -1, 32,32 , 12,32 , Symbol::TLS_REF , ADRP ) ARD(TLSIE_LD64_GOTTPREL_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN8 , 3,11 , Symbol::TLS_REF , LDST ) ARD(TLSIE_LD_GOTTPREL_PREL19 , STATIC , AARCH64 , N, -1, 20,20 , 2,20 , Symbol::TLS_REF , LD ) // Above is from Table 4-17, Initial Exec TLS relocations, 539-543. ARD(TLSLE_MOVW_TPREL_G2 , STATIC , AARCH64 , Y, 2, 48,48 , 32,47 , Symbol::TLS_REF , MOVW ) ARD(TLSLE_MOVW_TPREL_G1 , STATIC , AARCH64 , Y, 1, 32,32 , 16,31 , Symbol::TLS_REF , MOVW ) ARD(TLSLE_MOVW_TPREL_G1_NC , STATIC , AARCH64 , Y, 1, 0,0 , 16,31 , Symbol::TLS_REF , MOVW ) ARD(TLSLE_MOVW_TPREL_G0 , STATIC , AARCH64 , Y, 0, 16,16 , 0,15 , Symbol::TLS_REF , MOVW ) ARD(TLSLE_MOVW_TPREL_G0_NC , STATIC , AARCH64 , Y, 0, 0,0 , 0,15 , Symbol::TLS_REF , MOVW ) ARD(TLSLE_ADD_TPREL_HI12 , STATIC , AARCH64 , Y, -1, 0,24 , 12,23 , Symbol::TLS_REF , ADD ) ARD(TLSLE_ADD_TPREL_LO12 , STATIC , AARCH64 , Y, -1, 0,12 , 0,11 , Symbol::TLS_REF , ADD ) ARD(TLSLE_ADD_TPREL_LO12_NC , STATIC , AARCH64 , Y, -1, 0,0 , 0,11 , Symbol::TLS_REF , ADD ) // Above is from Table 4-18, Local Exec TLS relocations, 544-571. ARD(TLSDESC_ADR_PAGE21 , STATIC , AARCH64 , Y, -1, 32,32 , 12,32 , Symbol::TLS_REF , ADRP ) ARD(TLSDESC_LD64_LO12 , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN8 , 3,11 , Symbol::TLS_REF , LDST ) ARD(TLSDESC_ADD_LO12 , STATIC , AARCH64 , Y, -1, 0,0 , 0,11 , Symbol::TLS_REF , ADD ) ARD(TLSDESC_CALL , STATIC , CFLOW , Y, -1, 0,0 , 0,0 , Symbol::TLS_REF , CALL ) // Above is from Table 4-19, TLS descriptor relocations, 560-569. // Note - // A - Checking X, (L,U), if L == 0 && U == 0, no check. Otherwise, L!=0, // check that -2^L<=X<2^U. Also an extra alignment check could be embeded // into U.