1// aarch64.h -- ELF definitions specific to AARCH64  -*- C++ -*-
2
3// Copyright (C) 2014-2017 Free Software Foundation, Inc.
4// Written by Jing Yu (jingyu@google.com)
5
6// This file is part of elfcpp.
7
8// This program is free software; you can redistribute it and/or
9// modify it under the terms of the GNU Library General Public License
10// as published by the Free Software Foundation; either version 2, or
11// (at your option) any later version.
12
13// In addition to the permissions in the GNU Library General Public
14// License, the Free Software Foundation gives you unlimited
15// permission to link the compiled version of this file into
16// combinations with other programs, and to distribute those
17// combinations without any restriction coming from the use of this
18// file.  (The Library Public License restrictions do apply in other
19// respects; for example, they cover modification of the file, and
20/// distribution when not linked into a combined executable.)
21
22// This program is distributed in the hope that it will be useful, but
23// WITHOUT ANY WARRANTY; without even the implied warranty of
24// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
25// Library General Public License for more details.
26
27// You should have received a copy of the GNU Library General Public
28// License along with this program; if not, write to the Free Software
29// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
30// 02110-1301, USA.
31
32#ifndef ELFCPP_AARCH64_H
33#define ELFCPP_AARCH64_H
34
35namespace elfcpp
36{
37
38// The relocation type information is taken from:
39//
40//   ELF for the ARM 64-bit Architecture (AArch64)
41//   Document number: ARM IHI 0056B, current through AArch64 ABI release 1.0
42//   Date of Issue: 22nd May, 2013
43//
44
45enum
46{
47  // Null relocation codes
48  R_AARCH64_NONE = 0,		// None
49  R_AARCH64_withdrawn = 256,	// Treat as R_AARCH64_NONE
50
51  // Static relocations
52  R_AARCH64_ABS64 = 257,	// S + A
53  R_AARCH64_ABS32 = 258,	// S + A
54  R_AARCH64_ABS16 = 259,	// S + A
55  R_AARCH64_PREL64 = 260,	// S + A - P
56  R_AARCH64_PREL32 = 261,	// S + A - P
57  R_AARCH64_PREL16 = 262,	// S + A - P
58  R_AARCH64_MOVW_UABS_G0 = 263,		// S + A
59  R_AARCH64_MOVW_UABS_G0_NC = 264,	// S + A
60  R_AARCH64_MOVW_UABS_G1 = 265,		// S + A
61  R_AARCH64_MOVW_UABS_G1_NC = 266,	// S + A
62  R_AARCH64_MOVW_UABS_G2 = 267,		// S + A
63  R_AARCH64_MOVW_UABS_G2_NC = 268,	// S + A
64  R_AARCH64_MOVW_UABS_G3 = 269,		// S + A
65  R_AARCH64_MOVW_SABS_G0 = 270,		// S + A
66  R_AARCH64_MOVW_SABS_G1 = 271,		// S + A
67  R_AARCH64_MOVW_SABS_G2 = 272,		// S + A
68  R_AARCH64_LD_PREL_LO19 = 273,		// S + A - P
69  R_AARCH64_ADR_PREL_LO21 = 274,	// S + A - P
70  R_AARCH64_ADR_PREL_PG_HI21 = 275,	// Page(S+A) - Page(P)
71  R_AARCH64_ADR_PREL_PG_HI21_NC = 276,	// Page(S+A) - Page(P)
72  R_AARCH64_ADD_ABS_LO12_NC = 277,	// S + A
73  R_AARCH64_LDST8_ABS_LO12_NC = 278,	// S + A
74  R_AARCH64_TSTBR14 = 279,		// S + A - P
75  R_AARCH64_CONDBR19 = 280,		// S + A - P
76  R_AARCH64_JUMP26 = 282,		// S + A - P
77  R_AARCH64_CALL26 = 283,		// S + A - P
78  R_AARCH64_LDST16_ABS_LO12_NC = 284,	// S + A
79  R_AARCH64_LDST32_ABS_LO12_NC = 285,	// S + A
80  R_AARCH64_LDST64_ABS_LO12_NC = 286,	// S + A
81  R_AARCH64_MOVW_PREL_G0 = 287,		// S + A - P
82  R_AARCH64_MOVW_PREL_G0_NC = 288,	// S + A - P
83  R_AARCH64_MOVW_PREL_G1 = 289,		// S + A - P
84  R_AARCH64_MOVW_PREL_G1_NC = 290,	// S + A - P
85  R_AARCH64_MOVW_PREL_G2 = 291,		// S + A - P
86  R_AARCH64_MOVW_PREL_G2_NC = 292,	// S + A - P
87  R_AARCH64_MOVW_PREL_G3 = 293,		// S + A - P
88  R_AARCH64_LDST128_ABS_LO12_NC = 299,	// S + A
89  R_AARCH64_MOVW_GOTOFF_G0 = 300,	// G(GDAT(S+A))-GOT
90  R_AARCH64_MOVW_GOTOFF_G0_NC = 301,	// G(GDAT(S+A))-GOT
91  R_AARCH64_MOVW_GOTOFF_G1 = 302,	// G(GDAT(S+A))-GOT
92  R_AARCH64_MOVW_GOTOFF_G1_NC = 303,	// G(GDAT(S+A))-GOT
93  R_AARCH64_MOVW_GOTOFF_G2 = 304,	// G(GDAT(S+A))-GOT
94  R_AARCH64_MOVW_GOTOFF_G2_NC = 305,	// G(GDAT(S+A))-GOT
95  R_AARCH64_MOVW_GOTOFF_G3 = 306,	// G(GDAT(S+A))-GOT
96  R_AARCH64_GOTREL64 = 307,		// S + A - GOT
97  R_AARCH64_GOTREL32 = 308,		// S + A - GOT
98  R_AARCH64_GOT_LD_PREL19 = 309,	// G(GDAT(S+A))-P
99  R_AARCH64_LD64_GOTOFF_LO15 = 310,	// G(GDAT(S+A))-GOT
100  R_AARCH64_ADR_GOT_PAGE = 311,		// Page(G(GDAT(S+A)))-Page(P)
101  R_AARCH64_LD64_GOT_LO12_NC = 312,	// G(GDAT(S+A))
102  R_AARCH64_LD64_GOTPAGE_LO15 = 313,	// G(GDAT(S+A))-Page(GOT)
103
104  // Relocations for thread-local storage
105  R_AARCH64_TLSGD_ADR_PREL21 = 512,		// G(GTLSIDX(S,A)) - P
106  R_AARCH64_TLSGD_ADR_PAGE21 = 513,		// Page(G(GTLSIDX(S,A)))-Page(P)
107  R_AARCH64_TLSGD_ADD_LO12_NC = 514,		// G(GTLSICX(S,A))
108  R_AARCH64_TLSGD_MOVW_G1 = 515,		// G(GTLSIDX(S,A)) - GOT
109  R_AARCH64_TLSGD_MOVW_G0_NC = 516,		// G(GTLSIDX(S,A)) - GOT
110
111  R_AARCH64_TLSLD_ADR_PREL21 = 517,		// G(GLDM(S)) - P
112  R_AARCH64_TLSLD_ADR_PAGE21 = 518,		// Page(G(GLDM(S))) - Page(P)
113  R_AARCH64_TLSLD_ADD_LO12_NC = 519,		// G(GLDM(S))
114  R_AARCH64_TLSLD_MOVW_G1 = 520,		// G(GLDM(S)) - GOT
115  R_AARCH64_TLSLD_MOVW_G0_NC = 521,		// G(GLDM(S)) - GOT
116  R_AARCH64_TLSLD_LD_PREL19 = 522,		// G(GLDM(S)) - P
117  R_AARCH64_TLSLD_MOVW_DTPREL_G2 = 523,		// DTPREL(S+A)
118  R_AARCH64_TLSLD_MOVW_DTPREL_G1 = 524,		// DTPREL(S+A)
119  R_AARCH64_TLSLD_MOVW_DTPREL_G1_NC = 525,	// DTPREL(S+A)
120  R_AARCH64_TLSLD_MOVW_DTPREL_G0 = 526,		// DTPREL(S+A)
121  R_AARCH64_TLSLD_MOVW_DTPREL_G0_NC = 527,	// DTPREL(S+A)
122  R_AARCH64_TLSLD_ADD_DTPREL_HI12 = 528,	// DTPREL(S+A)
123  R_AARCH64_TLSLD_ADD_DTPREL_LO12 = 529,	// DTPREL(S+A)
124  R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC = 530,	// DTPREL(S+A)
125  R_AARCH64_TLSLD_LDST8_DTPREL_LO12 = 531,	// DTPREL(S+A)
126  R_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC = 532,	// DTPREL(S+A)
127  R_AARCH64_TLSLD_LDST16_DTPREL_LO12 = 533,	// DTPREL(S+A)
128  R_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC = 534,	// DTPREL(S+A)
129  R_AARCH64_TLSLD_LDST32_DTPREL_LO12 = 535,	// DTPREL(S+A)
130  R_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC = 536,	// DTPREL(S+A)
131  R_AARCH64_TLSLD_LDST64_DTPREL_LO12 = 537,	// DTPREL(S+A)
132  R_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC = 538,	// DTPREL(S+A)
133  R_AARCH64_TLSIE_MOVW_GOTTPREL_G1 = 539,	// G(GTPREL(S+A)) - GOT
134  R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC = 540,	// G(GTPREL(S+A)) - GOT
135  R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 = 541,	// Page(G(GTPREL(S+A)))-Page(P)
136  R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC = 542,	// G(GTPREL(S+A))
137  R_AARCH64_TLSIE_LD_GOTTPREL_PREL19 = 543,	// G(GTPREL(S+A)) - P
138  R_AARCH64_TLSLE_MOVW_TPREL_G2 = 544,		// TPREL(S+A)
139  R_AARCH64_TLSLE_MOVW_TPREL_G1 = 545,		// TPREL(S+A)
140  R_AARCH64_TLSLE_MOVW_TPREL_G1_NC = 546,	// TPREL(S+A)
141  R_AARCH64_TLSLE_MOVW_TPREL_G0 = 547,		// TPREL(S+A)
142  R_AARCH64_TLSLE_MOVW_TPREL_G0_NC = 548,	// TPREL(S+A)
143  R_AARCH64_TLSLE_ADD_TPREL_HI12 = 549,		// TPREL(S+A)
144  R_AARCH64_TLSLE_ADD_TPREL_LO12 = 550,		// TPREL(S+A)
145  R_AARCH64_TLSLE_ADD_TPREL_LO12_NC = 551,	// TPREL(S+A)
146  R_AARCH64_TLSLE_LDST8_TPREL_LO12 = 552,	// TPREL(S+A)
147  R_AARCH64_TLSLE_LDST8_TPREL_LO12_NC = 553,	// TPREL(S+A)
148  R_AARCH64_TLSLE_LDST16_TPREL_LO12 = 554,	// TPREL(S+A)
149  R_AARCH64_TLSLE_LSDT16_TPREL_LO12_NC = 555,	// TPREL(S+A)
150  R_AARCH64_TLSLE_LDST32_TPREL_LO12 = 556,	// TPREL(S+A)
151  R_AARCH64_TLSLE_LDST32_TPREL_LO12_NC = 557,	// TPREL(S+A)
152  R_AARCH64_TLSLE_LDST64_TPREL_LO12 = 558,	// TPREL(S+A)
153  R_AARCH64_TLSLE_LDST64_TPREL_LO12_NC = 559,	// TPREL(S+A)
154  R_AARCH64_TLSDESC_LD_PREL19 = 560,	// G(GTLSDESC(S+A)) - P
155  R_AARCH64_TLSDESC_ADR_PREL21 = 561,	// G(GTLSDESC(S+A)) - P
156  R_AARCH64_TLSDESC_ADR_PAGE21 = 562,	// Page(G(GTLSDESC(S+A)))-Page(P)
157  R_AARCH64_TLSDESC_LD64_LO12 = 563,	// G(GTLSDESC(S+A))
158  R_AARCH64_TLSDESC_ADD_LO12 = 564,	// G(GTLSDESC(S+A))
159  R_AARCH64_TLSDESC_OFF_G1 = 565,	// G(GTLSDESC(S+A)) - GOT
160  R_AARCH64_TLSDESC_OFF_G0_NC = 566,	// G(GTLSDESC(S+A)) - GOT
161  R_AARCH64_TLSDESC_LDR = 567,		// None
162  R_AARCH64_TLSDESC_ADD = 568,		// None
163  R_AARCH64_TLSDESC_CALL = 569,		// None
164  R_AARCH64_TLSLE_LDST128_TPREL_LO12 = 570,	// TPREL(S+A)
165  R_AARCH64_TLSLE_LDST128_TPREL_LO12_NC = 571,	// TPREL(S+A)
166  R_AARCH64_TLSLD_LDST128_DTPREL_LO12 = 572,	// DTPREL(S+A)
167  R_AARCH64_TLSLD_LDST128_DTPREL_LO12_NC = 573,	// DTPREL(S+A)
168
169  // Dynamic relocations
170  R_AARCH64_COPY = 1024,
171  R_AARCH64_GLOB_DAT = 1025,		// S + A
172  R_AARCH64_JUMP_SLOT = 1026,		// S + A
173  R_AARCH64_RELATIVE = 1027,		// Delta(S) + A
174  // Note (shenhan): the following 2 relocs are different from elf spec from
175  // arm.  In elf docs, TLS_DTPMOD64 is defined as 1029, TLS_DTPREL64 1028.
176  // While actually the bfd linker (and the dynamic linker) treates TLS_DTPMOD64
177  // as 1028, TLS_DTPREL64 1029.  See binutils-gdb/include/elf/aarch64.h.
178  R_AARCH64_TLS_DTPMOD64 = 1028,	// LDM(S)
179  R_AARCH64_TLS_DTPREL64 = 1029,	// DTPREL(S+A)
180  R_AARCH64_TLS_TPREL64 = 1030,		// TPREL(S+A)
181  R_AARCH64_TLSDESC = 1031,		// TLSDESC(S+A)
182  R_AARCH64_IRELATIVE = 1032,		// Indirect(Delta(S) + A)
183};
184
185} // End namespace elfcpp.
186
187#endif // !defined(ELFCPP_AARCH64_H)
188