1*a9fa9459Szrj// arm-reloc.def -- ARM relocation definitions. 2*a9fa9459Szrj 3*a9fa9459Szrj// Copyright (C) 2010-2016 Free Software Foundation, Inc. 4*a9fa9459Szrj// Written by Doug Kwan <dougkwan@google.com>. 5*a9fa9459Szrj 6*a9fa9459Szrj// This file is part of gold. 7*a9fa9459Szrj 8*a9fa9459Szrj// This program is free software; you can redistribute it and/or modify 9*a9fa9459Szrj// it under the terms of the GNU General Public License as published by 10*a9fa9459Szrj// the Free Software Foundation; either version 3 of the License, or 11*a9fa9459Szrj// (at your option) any later version. 12*a9fa9459Szrj 13*a9fa9459Szrj// This program is distributed in the hope that it will be useful, 14*a9fa9459Szrj// but WITHOUT ANY WARRANTY; without even the implied warranty of 15*a9fa9459Szrj// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16*a9fa9459Szrj// GNU General Public License for more details. 17*a9fa9459Szrj 18*a9fa9459Szrj// You should have received a copy of the GNU General Public License 19*a9fa9459Szrj// along with this program; if not, write to the Free Software 20*a9fa9459Szrj// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 21*a9fa9459Szrj// MA 02110-1301, USA. 22*a9fa9459Szrj 23*a9fa9459Szrj// The information here is based on the official ARM document "ELF for ARM 24*a9fa9459Szrj// Architecture" (Document number ARM IHI 0044C). The first five columns of 25*a9fa9459Szrj// the table below are derived from Table 4-8 in the ARM ELF document. Each 26*a9fa9459Szrj// relocation from Table 4-8 corresponds to one relocation definition in the 27*a9fa9459Szrj// table below. A relocation definition has the following information: 28*a9fa9459Szrj// 29*a9fa9459Szrj// Name: This is the name of the relocation without the "R_ARM_" prefix. 30*a9fa9459Szrj// 31*a9fa9459Szrj// Type: Relocation type. There are four. 32*a9fa9459Szrj// - STATIC for static relocations processed by a static linker. 33*a9fa9459Szrj// - DYNAMIC for dynamic relocations processed by a dynamic linker. 34*a9fa9459Szrj// - PRIVATE for R_ARM_PRIVATE_<n> private relocation type. 35*a9fa9459Szrj// - OBSOLETE for old relocation types no longer used. 36*a9fa9459Szrj// We do not use DEPRECATED as a distinct type since we still have to 37*a9fa9459Szrj// handle deprecated relocations so we one of the types above. 38*a9fa9459Szrj// 39*a9fa9459Szrj// Deprecated: Whether this is a deprecated relocation type. The linker 40*a9fa9459Szrj// is expected to handle these though they should not be generated by fully 41*a9fa9459Szrj// conforming tool-chains. 42*a9fa9459Szrj// 43*a9fa9459Szrj// Operation: An expression specifying how the linker should perform a 44*a9fa9459Szrj// relocation. If there is no operation or the operation cannot be 45*a9fa9459Szrj// specified, it is "NONE". 46*a9fa9459Szrj// 47*a9fa9459Szrj// Implemented: Whether this is implemented by the gold. 48*a9fa9459Szrj// 49*a9fa9459Szrj// Group_index: For a group relocation type, it is one of 0, 1 or 2. For 50*a9fa9459Szrj// a non-group relocation type, it is -1. 51*a9fa9459Szrj// 52*a9fa9459Szrj// Overflow: Whether gold should check for overflow. This is "No" by default 53*a9fa9459Szrj// for relocation types DYNAMIC, PRIVATE and OBSOLETE. 54*a9fa9459Szrj// 55*a9fa9459Szrj// Overflow-----------------------------------------------------------------+ 56*a9fa9459Szrj// Group index----------------------------------------------------------+ | 57*a9fa9459Szrj// Implemented-------------------------------------------------------+ | | 58*a9fa9459Szrj// Operation-------------------------------+ | | | 59*a9fa9459Szrj// Class----------------------------+ | | | | 60*a9fa9459Szrj// Deprecated--------------------+ | | | | | 61*a9fa9459Szrj// Type----------------+ | | | | | | 62*a9fa9459Szrj// Name | | | | | | | 63*a9fa9459Szrj// | | | | | | | | 64*a9fa9459SzrjRD(NONE , STATIC , N, MISC , NONE , Y, -1, N) 65*a9fa9459SzrjRD(PC24 , STATIC , Y, ARM , ((S + A) | T) - P , Y, -1, Y) 66*a9fa9459SzrjRD(ABS32 , STATIC , N, DATA , (S + A) | T , Y, -1, N) 67*a9fa9459SzrjRD(REL32 , STATIC , N, DATA , ((S + A) | T) - P , Y, -1, N) 68*a9fa9459SzrjRD(LDR_PC_G0 , STATIC , N, ARM , S + A - P , Y, 0, Y) 69*a9fa9459SzrjRD(ABS16 , STATIC , N, DATA , S + A , Y, -1, Y) 70*a9fa9459SzrjRD(ABS12 , STATIC , N, ARM , S + A , Y, -1, Y) 71*a9fa9459SzrjRD(THM_ABS5 , STATIC , N, THM16, S + A , Y, -1, Y) 72*a9fa9459SzrjRD(ABS8 , STATIC , N, DATA , S + A , Y, -1, Y) 73*a9fa9459SzrjRD(SBREL32 , STATIC , N, DATA , ((S + A) | T) - B(S) , N, -1, N) 74*a9fa9459SzrjRD(THM_CALL , STATIC , N, THM32, ((S + A) | T) - P , Y, -1, Y) 75*a9fa9459SzrjRD(THM_PC8 , STATIC , N, THM16, S + A - Pa , Y, -1, Y) 76*a9fa9459SzrjRD(BREL_ADJ , DYNAMIC , N, DATA , DELTA_B(S) + A , Y, -1, N) 77*a9fa9459SzrjRD(TLS_DESC , DYNAMIC , N, DATA , NONE , Y, -1, N) 78*a9fa9459SzrjRD(THM_SWI8 , OBSOLETE, N, NONE , NONE , N, -1, N) 79*a9fa9459SzrjRD(XPC25 , OBSOLETE, N, NONE , NONE , N, -1, N) 80*a9fa9459SzrjRD(THM_XPC22 , OBSOLETE, N, NONE , NONE , N, -1, N) 81*a9fa9459SzrjRD(TLS_DTPMOD32 , DYNAMIC , N, DATA , Module(S) , Y, -1, N) 82*a9fa9459SzrjRD(TLS_DTPOFF32 , DYNAMIC , N, DATA , S + A - TLS , Y, -1, N) 83*a9fa9459SzrjRD(TLS_TPOFF32 , DYNAMIC , N, DATA , S + A - tp , Y, -1, N) 84*a9fa9459SzrjRD(COPY , DYNAMIC , N, MISC , NONE , Y, -1, N) 85*a9fa9459SzrjRD(GLOB_DAT , DYNAMIC , N, DATA , (S + A) | T , Y, -1, N) 86*a9fa9459SzrjRD(JUMP_SLOT , DYNAMIC , N, DATA , (S + A) | T , Y, -1, N) 87*a9fa9459SzrjRD(RELATIVE , DYNAMIC , N, DATA , B(S) + A , Y, -1, N) 88*a9fa9459SzrjRD(GOTOFF32 , STATIC , N, DATA , ((S + A) | T) - GOT_ORG, Y, -1, N) 89*a9fa9459SzrjRD(BASE_PREL , STATIC , N, DATA , B(S) + A - P , Y, -1, N) 90*a9fa9459SzrjRD(GOT_BREL , STATIC , N, DATA , GOT(S) + A - GOT_ORG , Y, -1, N) 91*a9fa9459SzrjRD(PLT32 , STATIC , Y, ARM , ((S + A) | T) - P , Y, -1, Y) 92*a9fa9459SzrjRD(CALL , STATIC , N, ARM , ((S + A) | T) - P , Y, -1, Y) 93*a9fa9459SzrjRD(JUMP24 , STATIC , N, ARM , ((S + A) | T) - P , Y, -1, Y) 94*a9fa9459SzrjRD(THM_JUMP24 , STATIC , N, THM32, ((S + A) | T) - P , Y, -1, Y) 95*a9fa9459SzrjRD(BASE_ABS , STATIC , N, DATA , B(S) + A , Y, -1, N) 96*a9fa9459SzrjRD(ALU_PCREL_7_0 , OBSOLETE, N, NONE , NONE , N, -1, N) 97*a9fa9459SzrjRD(ALU_PCREL_15_8 , OBSOLETE, N, NONE , NONE , N, -1, N) 98*a9fa9459SzrjRD(ALU_PCREL_23_15 , OBSOLETE, N, NONE , NONE , N, -1, N) 99*a9fa9459SzrjRD(LDR_SBREL_11_0_NC , STATIC , Y, ARM , S + A - B(S) , N, -1, N) 100*a9fa9459SzrjRD(ALU_SBREL_19_12_NC, STATIC , Y, ARM , S + A - B(S) , N, -1, N) 101*a9fa9459SzrjRD(ALU_SBREL_27_20_CK, STATIC , Y, ARM , S + A - B(S) , N, -1, Y) 102*a9fa9459SzrjRD(TARGET1 , STATIC , N, MISC , NONE , Y, -1, N) 103*a9fa9459SzrjRD(SBREL31 , STATIC , Y, DATA , ((S + A) | T) - B(S) , N, -1, N) 104*a9fa9459SzrjRD(V4BX , STATIC , N, MISC , NONE , Y, -1, N) 105*a9fa9459SzrjRD(TARGET2 , STATIC , N, MISC , NONE , Y, -1, N) 106*a9fa9459SzrjRD(PREL31 , STATIC , N, DATA , ((S + A) | T) - P , Y, -1, Y) 107*a9fa9459SzrjRD(MOVW_ABS_NC , STATIC , N, ARM , (S + A) | T , Y, -1, N) 108*a9fa9459SzrjRD(MOVT_ABS , STATIC , N, ARM , S + A , Y, -1, Y) 109*a9fa9459SzrjRD(MOVW_PREL_NC , STATIC , N, ARM , ((S + A) | T) - P , Y, -1, N) 110*a9fa9459SzrjRD(MOVT_PREL , STATIC , N, ARM , (S + A) - P , Y, -1, Y) 111*a9fa9459SzrjRD(THM_MOVW_ABS_NC , STATIC , N, THM32, (S + A) | T , Y, -1, N) 112*a9fa9459SzrjRD(THM_MOVT_ABS , STATIC , N, THM32, S + A , Y, -1, N) 113*a9fa9459SzrjRD(THM_MOVW_PREL_NC , STATIC , N, THM32, ((S + A) | T) - P , Y, -1, N) 114*a9fa9459SzrjRD(THM_MOVT_PREL , STATIC , N, THM32, S + A - P , Y, -1, N) 115*a9fa9459SzrjRD(THM_JUMP19 , STATIC , N, THM32, ((S + A) | T) - P , Y, -1, Y) 116*a9fa9459SzrjRD(THM_JUMP6 , STATIC , N, THM16, S + A - P , Y, -1, Y) 117*a9fa9459SzrjRD(THM_ALU_PREL_11_0 , STATIC , N, THM32, ((S + A) | T) - Pa , Y, -1, Y) 118*a9fa9459SzrjRD(THM_PC12 , STATIC , N, THM32, S + A - Pa , Y, -1, Y) 119*a9fa9459SzrjRD(ABS32_NOI , STATIC , N, DATA , S + A , Y, -1, N) 120*a9fa9459SzrjRD(REL32_NOI , STATIC , N, DATA , S + A - P , N, -1, N) 121*a9fa9459SzrjRD(ALU_PC_G0_NC , STATIC , N, ARM , ((S + A) | T) - P , Y, 0, N) 122*a9fa9459SzrjRD(ALU_PC_G0 , STATIC , N, ARM , ((S + A) | T) - P , Y, 0, Y) 123*a9fa9459SzrjRD(ALU_PC_G1_NC , STATIC , N, ARM , ((S + A) | T) - P , Y, 1, N) 124*a9fa9459SzrjRD(ALU_PC_G1 , STATIC , N, ARM , ((S + A) | T) - P , Y, 1, Y) 125*a9fa9459SzrjRD(ALU_PC_G2 , STATIC , N, ARM , ((S + A) | T) - P , Y, 2, Y) 126*a9fa9459SzrjRD(LDR_PC_G1 , STATIC , N, ARM , S + A - P , Y, 1, Y) 127*a9fa9459SzrjRD(LDR_PC_G2 , STATIC , N, ARM , S + A - P , Y, 2, Y) 128*a9fa9459SzrjRD(LDRS_PC_G0 , STATIC , N, ARM , S + A - P , Y, 0, Y) 129*a9fa9459SzrjRD(LDRS_PC_G1 , STATIC , N, ARM , S + A - P , Y, 1, Y) 130*a9fa9459SzrjRD(LDRS_PC_G2 , STATIC , N, ARM , S + A - P , Y, 2, Y) 131*a9fa9459SzrjRD(LDC_PC_G0 , STATIC , N, ARM , S + A - P , Y, 0, Y) 132*a9fa9459SzrjRD(LDC_PC_G1 , STATIC , N, ARM , S + A - P , Y, 1, Y) 133*a9fa9459SzrjRD(LDC_PC_G2 , STATIC , N, ARM , S + A - P , Y, 2, Y) 134*a9fa9459SzrjRD(ALU_SB_G0_NC , STATIC , N, ARM , ((S + A) | T) - B(S) , Y, 0, N) 135*a9fa9459SzrjRD(ALU_SB_G0 , STATIC , N, ARM , ((S + A) | T) - B(S) , Y, 0, Y) 136*a9fa9459SzrjRD(ALU_SB_G1_NC , STATIC , N, ARM , ((S + A) | T) - B(S) , Y, 1, N) 137*a9fa9459SzrjRD(ALU_SB_G1 , STATIC , N, ARM , ((S + A) | T) - B(S) , Y, 1, Y) 138*a9fa9459SzrjRD(ALU_SB_G2 , STATIC , N, ARM , ((S + A) | T) - B(S) , Y, 2, Y) 139*a9fa9459SzrjRD(LDR_SB_G0 , STATIC , N, ARM , S + A - B(S) , Y, 0, Y) 140*a9fa9459SzrjRD(LDR_SB_G1 , STATIC , N, ARM , S + A - B(S) , Y, 1, Y) 141*a9fa9459SzrjRD(LDR_SB_G2 , STATIC , N, ARM , S + A - B(S) , Y, 2, Y) 142*a9fa9459SzrjRD(LDRS_SB_G0 , STATIC , N, ARM , S + A - B(S) , Y, 0, Y) 143*a9fa9459SzrjRD(LDRS_SB_G1 , STATIC , N, ARM , S + A - B(S) , Y, 1, Y) 144*a9fa9459SzrjRD(LDRS_SB_G2 , STATIC , N, ARM , S + A - B(S) , Y, 2, Y) 145*a9fa9459SzrjRD(LDC_SB_G0 , STATIC , N, ARM , S + A - B(S) , Y, 0, Y) 146*a9fa9459SzrjRD(LDC_SB_G1 , STATIC , N, ARM , S + A - B(S) , Y, 1, Y) 147*a9fa9459SzrjRD(LDC_SB_G2 , STATIC , N, ARM , S + A - B(S) , Y, 2, Y) 148*a9fa9459SzrjRD(MOVW_BREL_NC , STATIC , N, ARM , ((S + A) | T) - B(S) , Y, -1, N) 149*a9fa9459SzrjRD(MOVT_BREL , STATIC , N, ARM , S + A - B(S) , Y, -1, Y) 150*a9fa9459SzrjRD(MOVW_BREL , STATIC , N, ARM , ((S + A) | T) - B(S) , Y, -1, Y) 151*a9fa9459SzrjRD(THM_MOVW_BREL_NC , STATIC , N, THM32, ((S + A) | T) - B(S) , Y, -1, N) 152*a9fa9459SzrjRD(THM_MOVT_BREL , STATIC , N, THM32, S + A - B(S) , Y, -1, N) 153*a9fa9459SzrjRD(THM_MOVW_BREL , STATIC , N, THM32, ((S + A) | T) - B(S) , Y, -1, Y) 154*a9fa9459SzrjRD(TLS_GOTDESC , STATIC , N, DATA , NONE , Y, -1, N) 155*a9fa9459SzrjRD(TLS_CALL , STATIC , N, ARM , NONE , N, -1, Y) 156*a9fa9459SzrjRD(TLS_DESCSEQ , STATIC , N, ARM , NONE , N, -1, Y) 157*a9fa9459SzrjRD(THM_TLS_CALL , STATIC , N, THM32, NONE , N, -1, Y) 158*a9fa9459SzrjRD(PLT32_ABS , STATIC , N, DATA , PLT(S) + A , N, -1, N) 159*a9fa9459SzrjRD(GOT_ABS , STATIC , N, DATA , GOT(S) + A , N, -1, N) 160*a9fa9459SzrjRD(GOT_PREL , STATIC , N, DATA , GOT(S) + A - P , Y, -1, N) 161*a9fa9459SzrjRD(GOT_BREL12 , STATIC , N, ARM , GOT(S) + A - GOT_ORG , N, -1, Y) 162*a9fa9459SzrjRD(GOTOFF12 , STATIC , N, ARM , S + A - GOT_ORG , N, -1, Y) 163*a9fa9459SzrjRD(GOTRELAX , STATIC , N, MISC , NONE , N, -1, N) 164*a9fa9459SzrjRD(GNU_VTENTRY , STATIC , Y, DATA , NONE , Y, -1, N) 165*a9fa9459SzrjRD(GNU_VTINHERIT , STATIC , Y, DATA , NONE , Y, -1, N) 166*a9fa9459SzrjRD(THM_JUMP11 , STATIC , N, THM16, S + A - P , Y, -1, Y) 167*a9fa9459SzrjRD(THM_JUMP8 , STATIC , N, THM16, S + A - P , Y, -1, Y) 168*a9fa9459SzrjRD(TLS_GD32 , STATIC , N, DATA , GOT(S) + A - P , Y, -1, N) 169*a9fa9459SzrjRD(TLS_LDM32 , STATIC , N, DATA , GOT(S) + A - P , Y, -1, N) 170*a9fa9459SzrjRD(TLS_LDO32 , STATIC , N, DATA , S + A - TLS , Y, -1, N) 171*a9fa9459SzrjRD(TLS_IE32 , STATIC , N, DATA , GOT(S) + A - P , Y, -1, N) 172*a9fa9459SzrjRD(TLS_LE32 , STATIC , N, DATA , S + A - tp , Y, -1, N) 173*a9fa9459SzrjRD(TLS_LDO12 , STATIC , N, ARM , S + A - TLS , N, -1, Y) 174*a9fa9459SzrjRD(TLS_LE12 , STATIC , N, ARM , S + A - tp , N, -1, Y) 175*a9fa9459SzrjRD(TLS_IE12GP , STATIC , N, ARM , GOT(S) + A - GOT_ORG , N, -1, Y) 176*a9fa9459SzrjRD(PRIVATE_0 , PRIVATE , N, NONE , NONE , N, -1, N) 177*a9fa9459SzrjRD(PRIVATE_1 , PRIVATE , N, NONE , NONE , N, -1, N) 178*a9fa9459SzrjRD(PRIVATE_2 , PRIVATE , N, NONE , NONE , N, -1, N) 179*a9fa9459SzrjRD(PRIVATE_3 , PRIVATE , N, NONE , NONE , N, -1, N) 180*a9fa9459SzrjRD(PRIVATE_4 , PRIVATE , N, NONE , NONE , N, -1, N) 181*a9fa9459SzrjRD(PRIVATE_5 , PRIVATE , N, NONE , NONE , N, -1, N) 182*a9fa9459SzrjRD(PRIVATE_6 , PRIVATE , N, NONE , NONE , N, -1, N) 183*a9fa9459SzrjRD(PRIVATE_7 , PRIVATE , N, NONE , NONE , N, -1, N) 184*a9fa9459SzrjRD(PRIVATE_8 , PRIVATE , N, NONE , NONE , N, -1, N) 185*a9fa9459SzrjRD(PRIVATE_9 , PRIVATE , N, NONE , NONE , N, -1, N) 186*a9fa9459SzrjRD(PRIVATE_10 , PRIVATE , N, NONE , NONE , N, -1, N) 187*a9fa9459SzrjRD(PRIVATE_11 , PRIVATE , N, NONE , NONE , N, -1, N) 188*a9fa9459SzrjRD(PRIVATE_12 , PRIVATE , N, NONE , NONE , N, -1, N) 189*a9fa9459SzrjRD(PRIVATE_13 , PRIVATE , N, NONE , NONE , N, -1, N) 190*a9fa9459SzrjRD(PRIVATE_14 , PRIVATE , N, NONE , NONE , N, -1, N) 191*a9fa9459SzrjRD(PRIVATE_15 , PRIVATE , N, NONE , NONE , N, -1, N) 192*a9fa9459SzrjRD(ME_TOO , OBSOLETE, N, NONE , NONE , N, -1, N) 193*a9fa9459SzrjRD(THM_TLS_DESCSEQ16 , STATIC , N, THM16, NONE , N, -1, Y) 194*a9fa9459SzrjRD(THM_TLS_DESCSEQ32 , STATIC , N, THM32, NONE , N, -1, Y) 195