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// aarch64-reloc.def -- AArch64 relocation definitions.
// Copyright (C) 2014-2018 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(NONE , STATIC , NONE , Y, -1, 0,0 , 0,0 , 0 , DATA )
// Above is from Table 4-5, Null relocation codes
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(MOVW_UABS_G0 , STATIC , AARCH64 , Y, 0, 0,16 , 0,15 , Symbol::ABSOLUTE_REF , MOVW )
ARD(MOVW_UABS_G0_NC , STATIC , AARCH64 , Y, 0, 0,0 , 0,15 , Symbol::ABSOLUTE_REF , MOVW )
ARD(MOVW_UABS_G1 , STATIC , AARCH64 , Y, 0, 0,32 , 16,31 , Symbol::ABSOLUTE_REF , MOVW )
ARD(MOVW_UABS_G1_NC , STATIC , AARCH64 , Y, 0, 0,0 , 16,31 , Symbol::ABSOLUTE_REF , MOVW )
ARD(MOVW_UABS_G2 , STATIC , AARCH64 , Y, 0, 0,48 , 32,47 , Symbol::ABSOLUTE_REF , MOVW )
ARD(MOVW_UABS_G2_NC , STATIC , AARCH64 , Y, 0, 0,0 , 32,47 , Symbol::ABSOLUTE_REF , MOVW )
ARD(MOVW_UABS_G3 , STATIC , AARCH64 , Y, 0, 0,0 , 48,63 , Symbol::ABSOLUTE_REF , MOVW )
// Above is from Table 4-7, Group relocations to create a 16-, 32-, 48-, or 64-bit unsigned data value or address inline.
ARD(MOVW_SABS_G0 , STATIC , AARCH64 , Y, 0, 16,16 , 0,15 , Symbol::ABSOLUTE_REF , MOVW )
ARD(MOVW_SABS_G1 , STATIC , AARCH64 , Y, 0, 32,32 , 16,31 , Symbol::ABSOLUTE_REF , MOVW )
ARD(MOVW_SABS_G2 , STATIC , AARCH64 , Y, 0, 48,48 , 32,47 , Symbol::ABSOLUTE_REF , MOVW )
// Above is from Table 4-8, Group relocations to create a 16, 32, 48, or 64 bit signed data or offset value inline.
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 )
ARD(LD64_GOTPAGE_LO15 , STATIC , AARCH64 , Y, -1, 0,15 , 3,14 , Symbol::RELATIVE_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 embedded
// into U.
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