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9363c7c3 JY |
1 | // aarch64-reloc.def -- AArch64 relocation definitions. |
2 | ||
3 | // Copyright (C) 2014 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(ABS64 , STATIC , DATA , Y, -1, 0,0 , 0,0 , Symbol::ABSOLUTE_REF , DATA ) | |
36 | ARD(ABS32 , STATIC , DATA , Y, -1, 31,32 , 0,0 , Symbol::ABSOLUTE_REF , DATA ) | |
37 | ARD(ABS16 , STATIC , DATA , Y, -1, 15,16 , 0,0 , Symbol::ABSOLUTE_REF , DATA ) | |
38 | ARD(PREL64 , STATIC , DATA , Y, -1, 0,0 , 0,0 , Symbol::RELATIVE_REF , DATA ) | |
39 | ARD(PREL32 , STATIC , DATA , Y, -1, 31,32 , 0,0 , Symbol::RELATIVE_REF , DATA ) | |
40 | ARD(PREL16 , STATIC , DATA , Y, -1, 15,16 , 0,0 , Symbol::RELATIVE_REF , DATA ) | |
41 | // Above is from Table 4-6, Data relocations, 257-262. | |
42 | ||
43 | ARD(ADR_PREL_PG_HI21 , STATIC , AARCH64 , Y, -1, 32,32 , 12,32 , Symbol::RELATIVE_REF , ADRP ) | |
44 | ARD(ADR_PREL_PG_HI21_NC , STATIC , AARCH64 , Y, -1, 0,0 , 12,32 , Symbol::RELATIVE_REF , ADRP ) | |
45 | ARD(LDST8_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,0 , 0,11 , Symbol::ABSOLUTE_REF , LDST ) | |
46 | ARD(LDST16_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN2 , 1,11 , Symbol::ABSOLUTE_REF , LDST ) | |
47 | ARD(LDST32_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN4 , 2,11 , Symbol::ABSOLUTE_REF , LDST ) | |
48 | ARD(LDST64_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN8 , 3,11 , Symbol::ABSOLUTE_REF , LDST ) | |
49 | ARD(LDST128_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN16 , 4,11 , Symbol::ABSOLUTE_REF , LDST ) | |
50 | ARD(ADD_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,0 , 0,11 , Symbol::ABSOLUTE_REF , ADD ) | |
51 | ARD(ADR_GOT_PAGE , STATIC , AARCH64 , Y, -1, 32,32 , 12,32 , Symbol::RELATIVE_REF , ADRP ) | |
52 | ARD(LD64_GOT_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN8 , 3,11 , Symbol::ABSOLUTE_REF , LDST ) | |
53 | ARD(TSTBR14 , STATIC , CFLOW , N, -1, 15,15 , 2,15 , Symbol::ABSOLUTE_REF , TBZNZ ) | |
54 | ARD(CONDBR19 , STATIC , CFLOW , N, -1, 20,20 , 2,20 , Symbol::ABSOLUTE_REF , CONDB ) | |
55 | ARD(CALL26 , STATIC , CFLOW , Y, -1, 27,27 , 2,27 , (Symbol::FUNCTION_CALL|Symbol::RELATIVE_REF) , CALL ) | |
56 | ARD(JUMP26 , STATIC , CFLOW , Y, -1, 27,27 , 2,27 , (Symbol::FUNCTION_CALL|Symbol::RELATIVE_REF) , B ) | |
57 | // Above is from Table 4-10, Relocations for control-flow instructions, | |
58 | // 279-283. | |
59 | ||
60 | ARD(TLSIE_MOVW_GOTTPREL_G1 , STATIC , AARCH64 , N, -1, 0,0 , 16,31 , Symbol::ABSOLUTE_REF , MOVW ) | |
61 | ARD(TLSIE_MOVW_GOTTPREL_G0_NC , STATIC , AARCH64 , N, -1, 0,0 , 0,15 , Symbol::ABSOLUTE_REF , MOVW ) | |
62 | ARD(TLSIE_ADR_GOTTPREL_PAGE21 , STATIC , AARCH64 , Y, -1, 32,32 , 12,32 , Symbol::ABSOLUTE_REF , ADRP ) | |
63 | ARD(TLSIE_LD64_GOTTPREL_LO12_NC , STATIC , AARCH64 , N, -1, 32,32 , 12,32 , Symbol::ABSOLUTE_REF , LDST ) | |
64 | ARD(TLSIE_LD_GOTTPREL_PREL19 , STATIC , AARCH64 , N, -1, 20,20 , 2,20 , Symbol::ABSOLUTE_REF , LD ) | |
65 | // Above is from Table 4-17, Initial Exec TLS relocations, 539-543. | |
66 | ||
67 | // Note - | |
68 | // A - Checking X, (L,U), if L == 0 && U == 0, no check. Otherwise, L!=0, | |
69 | // check that -2^L<=X<2^U. Also an extra alignment check could be embeded | |
70 | // into U. |