aboutsummaryrefslogtreecommitdiff
path: root/elfcpp/aarch64.h
blob: 3069221afd4403d1fa120fd220fd50a520c57619 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
// aarch64.h -- ELF definitions specific to AARCH64  -*- C++ -*-

// Copyright (C) 2014-2021 Free Software Foundation, Inc.
// Written by Jing Yu (jingyu@google.com)

// This file is part of elfcpp.

// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public License
// as published by the Free Software Foundation; either version 2, or
// (at your option) any later version.

// In addition to the permissions in the GNU Library General Public
// License, the Free Software Foundation gives you unlimited
// permission to link the compiled version of this file into
// combinations with other programs, and to distribute those
// combinations without any restriction coming from the use of this
// file.  (The Library Public License restrictions do apply in other
// respects; for example, they cover modification of the file, and
/// distribution when not linked into a combined executable.)

// 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
// Library General Public License for more details.

// You should have received a copy of the GNU Library 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.

#ifndef ELFCPP_AARCH64_H
#define ELFCPP_AARCH64_H

namespace elfcpp
{

// The relocation type information is taken from:
//
//   ELF for the ARM 64-bit Architecture (AArch64)
//   Document number: ARM IHI 0056B, current through AArch64 ABI release 1.0
//   Date of Issue: 22nd May, 2013
//

enum
{
  // Null relocation codes
  R_AARCH64_NONE = 0,		// None
  R_AARCH64_withdrawn = 256,	// Treat as R_AARCH64_NONE

  // Static relocations
  R_AARCH64_ABS64 = 257,	// S + A
  R_AARCH64_ABS32 = 258,	// S + A
  R_AARCH64_ABS16 = 259,	// S + A
  R_AARCH64_PREL64 = 260,	// S + A - P
  R_AARCH64_PREL32 = 261,	// S + A - P
  R_AARCH64_PREL16 = 262,	// S + A - P
  R_AARCH64_MOVW_UABS_G0 = 263,		// S + A
  R_AARCH64_MOVW_UABS_G0_NC = 264,	// S + A
  R_AARCH64_MOVW_UABS_G1 = 265,		// S + A
  R_AARCH64_MOVW_UABS_G1_NC = 266,	// S + A
  R_AARCH64_MOVW_UABS_G2 = 267,		// S + A
  R_AARCH64_MOVW_UABS_G2_NC = 268,	// S + A
  R_AARCH64_MOVW_UABS_G3 = 269,		// S + A
  R_AARCH64_MOVW_SABS_G0 = 270,		// S + A
  R_AARCH64_MOVW_SABS_G1 = 271,		// S + A
  R_AARCH64_MOVW_SABS_G2 = 272,		// S + A
  R_AARCH64_LD_PREL_LO19 = 273,		// S + A - P
  R_AARCH64_ADR_PREL_LO21 = 274,	// S + A - P
  R_AARCH64_ADR_PREL_PG_HI21 = 275,	// Page(S+A) - Page(P)
  R_AARCH64_ADR_PREL_PG_HI21_NC = 276,	// Page(S+A) - Page(P)
  R_AARCH64_ADD_ABS_LO12_NC = 277,	// S + A
  R_AARCH64_LDST8_ABS_LO12_NC = 278,	// S + A
  R_AARCH64_TSTBR14 = 279,		// S + A - P
  R_AARCH64_CONDBR19 = 280,		// S + A - P
  R_AARCH64_JUMP26 = 282,		// S + A - P
  R_AARCH64_CALL26 = 283,		// S + A - P
  R_AARCH64_LDST16_ABS_LO12_NC = 284,	// S + A
  R_AARCH64_LDST32_ABS_LO12_NC = 285,	// S + A
  R_AARCH64_LDST64_ABS_LO12_NC = 286,	// S + A
  R_AARCH64_MOVW_PREL_G0 = 287,		// S + A - P
  R_AARCH64_MOVW_PREL_G0_NC = 288,	// S + A - P
  R_AARCH64_MOVW_PREL_G1 = 289,		// S + A - P
  R_AARCH64_MOVW_PREL_G1_NC = 290,	// S + A - P
  R_AARCH64_MOVW_PREL_G2 = 291,		// S + A - P
  R_AARCH64_MOVW_PREL_G2_NC = 292,	// S + A - P
  R_AARCH64_MOVW_PREL_G3 = 293,		// S + A - P
  R_AARCH64_LDST128_ABS_LO12_NC = 299,	// S + A
  R_AARCH64_MOVW_GOTOFF_G0 = 300,	// G(GDAT(S+A))-GOT
  R_AARCH64_MOVW_GOTOFF_G0_NC = 301,	// G(GDAT(S+A))-GOT
  R_AARCH64_MOVW_GOTOFF_G1 = 302,	// G(GDAT(S+A))-GOT
  R_AARCH64_MOVW_GOTOFF_G1_NC = 303,	// G(GDAT(S+A))-GOT
  R_AARCH64_MOVW_GOTOFF_G2 = 304,	// G(GDAT(S+A))-GOT
  R_AARCH64_MOVW_GOTOFF_G2_NC = 305,	// G(GDAT(S+A))-GOT
  R_AARCH64_MOVW_GOTOFF_G3 = 306,	// G(GDAT(S+A))-GOT
  R_AARCH64_GOTREL64 = 307,		// S + A - GOT
  R_AARCH64_GOTREL32 = 308,		// S + A - GOT
  R_AARCH64_GOT_LD_PREL19 = 309,	// G(GDAT(S+A))-P
  R_AARCH64_LD64_GOTOFF_LO15 = 310,	// G(GDAT(S+A))-GOT
  R_AARCH64_ADR_GOT_PAGE = 311,		// Page(G(GDAT(S+A)))-Page(P)
  R_AARCH64_LD64_GOT_LO12_NC = 312,	// G(GDAT(S+A))
  R_AARCH64_LD64_GOTPAGE_LO15 = 313,	// G(GDAT(S+A))-Page(GOT)

  // Relocations for thread-local storage
  R_AARCH64_TLSGD_ADR_PREL21 = 512,		// G(GTLSIDX(S,A)) - P
  R_AARCH64_TLSGD_ADR_PAGE21 = 513,		// Page(G(GTLSIDX(S,A)))-Page(P)
  R_AARCH64_TLSGD_ADD_LO12_NC = 514,		// G(GTLSICX(S,A))
  R_AARCH64_TLSGD_MOVW_G1 = 515,		// G(GTLSIDX(S,A)) - GOT
  R_AARCH64_TLSGD_MOVW_G0_NC = 516,		// G(GTLSIDX(S,A)) - GOT

  R_AARCH64_TLSLD_ADR_PREL21 = 517,		// G(GLDM(S)) - P
  R_AARCH64_TLSLD_ADR_PAGE21 = 518,		// Page(G(GLDM(S))) - Page(P)
  R_AARCH64_TLSLD_ADD_LO12_NC = 519,		// G(GLDM(S))
  R_AARCH64_TLSLD_MOVW_G1 = 520,		// G(GLDM(S)) - GOT
  R_AARCH64_TLSLD_MOVW_G0_NC = 521,		// G(GLDM(S)) - GOT
  R_AARCH64_TLSLD_LD_PREL19 = 522,		// G(GLDM(S)) - P
  R_AARCH64_TLSLD_MOVW_DTPREL_G2 = 523,		// DTPREL(S+A)
  R_AARCH64_TLSLD_MOVW_DTPREL_G1 = 524,		// DTPREL(S+A)
  R_AARCH64_TLSLD_MOVW_DTPREL_G1_NC = 525,	// DTPREL(S+A)
  R_AARCH64_TLSLD_MOVW_DTPREL_G0 = 526,		// DTPREL(S+A)
  R_AARCH64_TLSLD_MOVW_DTPREL_G0_NC = 527,	// DTPREL(S+A)
  R_AARCH64_TLSLD_ADD_DTPREL_HI12 = 528,	// DTPREL(S+A)
  R_AARCH64_TLSLD_ADD_DTPREL_LO12 = 529,	// DTPREL(S+A)
  R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC = 530,	// DTPREL(S+A)
  R_AARCH64_TLSLD_LDST8_DTPREL_LO12 = 531,	// DTPREL(S+A)
  R_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC = 532,	// DTPREL(S+A)
  R_AARCH64_TLSLD_LDST16_DTPREL_LO12 = 533,	// DTPREL(S+A)
  R_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC = 534,	// DTPREL(S+A)
  R_AARCH64_TLSLD_LDST32_DTPREL_LO12 = 535,	// DTPREL(S+A)
  R_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC = 536,	// DTPREL(S+A)
  R_AARCH64_TLSLD_LDST64_DTPREL_LO12 = 537,	// DTPREL(S+A)
  R_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC = 538,	// DTPREL(S+A)
  R_AARCH64_TLSIE_MOVW_GOTTPREL_G1 = 539,	// G(GTPREL(S+A)) - GOT
  R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC = 540,	// G(GTPREL(S+A)) - GOT
  R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 = 541,	// Page(G(GTPREL(S+A)))-Page(P)
  R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC = 542,	// G(GTPREL(S+A))
  R_AARCH64_TLSIE_LD_GOTTPREL_PREL19 = 543,	// G(GTPREL(S+A)) - P
  R_AARCH64_TLSLE_MOVW_TPREL_G2 = 544,		// TPREL(S+A)
  R_AARCH64_TLSLE_MOVW_TPREL_G1 = 545,		// TPREL(S+A)
  R_AARCH64_TLSLE_MOVW_TPREL_G1_NC = 546,	// TPREL(S+A)
  R_AARCH64_TLSLE_MOVW_TPREL_G0 = 547,		// TPREL(S+A)
  R_AARCH64_TLSLE_MOVW_TPREL_G0_NC = 548,	// TPREL(S+A)
  R_AARCH64_TLSLE_ADD_TPREL_HI12 = 549,		// TPREL(S+A)
  R_AARCH64_TLSLE_ADD_TPREL_LO12 = 550,		// TPREL(S+A)
  R_AARCH64_TLSLE_ADD_TPREL_LO12_NC = 551,	// TPREL(S+A)
  R_AARCH64_TLSLE_LDST8_TPREL_LO12 = 552,	// TPREL(S+A)
  R_AARCH64_TLSLE_LDST8_TPREL_LO12_NC = 553,	// TPREL(S+A)
  R_AARCH64_TLSLE_LDST16_TPREL_LO12 = 554,	// TPREL(S+A)
  R_AARCH64_TLSLE_LDST16_TPREL_LO12_NC = 555,	// TPREL(S+A)
  R_AARCH64_TLSLE_LDST32_TPREL_LO12 = 556,	// TPREL(S+A)
  R_AARCH64_TLSLE_LDST32_TPREL_LO12_NC = 557,	// TPREL(S+A)
  R_AARCH64_TLSLE_LDST64_TPREL_LO12 = 558,	// TPREL(S+A)
  R_AARCH64_TLSLE_LDST64_TPREL_LO12_NC = 559,	// TPREL(S+A)
  R_AARCH64_TLSDESC_LD_PREL19 = 560,	// G(GTLSDESC(S+A)) - P
  R_AARCH64_TLSDESC_ADR_PREL21 = 561,	// G(GTLSDESC(S+A)) - P
  R_AARCH64_TLSDESC_ADR_PAGE21 = 562,	// Page(G(GTLSDESC(S+A)))-Page(P)
  R_AARCH64_TLSDESC_LD64_LO12 = 563,	// G(GTLSDESC(S+A))
  R_AARCH64_TLSDESC_ADD_LO12 = 564,	// G(GTLSDESC(S+A))
  R_AARCH64_TLSDESC_OFF_G1 = 565,	// G(GTLSDESC(S+A)) - GOT
  R_AARCH64_TLSDESC_OFF_G0_NC = 566,	// G(GTLSDESC(S+A)) - GOT
  R_AARCH64_TLSDESC_LDR = 567,		// None
  R_AARCH64_TLSDESC_ADD = 568,		// None
  R_AARCH64_TLSDESC_CALL = 569,		// None
  R_AARCH64_TLSLE_LDST128_TPREL_LO12 = 570,	// TPREL(S+A)
  R_AARCH64_TLSLE_LDST128_TPREL_LO12_NC = 571,	// TPREL(S+A)
  R_AARCH64_TLSLD_LDST128_DTPREL_LO12 = 572,	// DTPREL(S+A)
  R_AARCH64_TLSLD_LDST128_DTPREL_LO12_NC = 573,	// DTPREL(S+A)

  // Dynamic relocations
  R_AARCH64_COPY = 1024,
  R_AARCH64_GLOB_DAT = 1025,		// S + A
  R_AARCH64_JUMP_SLOT = 1026,		// S + A
  R_AARCH64_RELATIVE = 1027,		// Delta(S) + A
  // Note (shenhan): the following 2 relocs are different from elf spec from
  // arm.  In elf docs, TLS_DTPMOD64 is defined as 1029, TLS_DTPREL64 1028.
  // While actually the bfd linker (and the dynamic linker) treates TLS_DTPMOD64
  // as 1028, TLS_DTPREL64 1029.  See binutils-gdb/include/elf/aarch64.h.
  R_AARCH64_TLS_DTPMOD64 = 1028,	// LDM(S)
  R_AARCH64_TLS_DTPREL64 = 1029,	// DTPREL(S+A)
  R_AARCH64_TLS_TPREL64 = 1030,		// TPREL(S+A)
  R_AARCH64_TLSDESC = 1031,		// TLSDESC(S+A)
  R_AARCH64_IRELATIVE = 1032,		// Indirect(Delta(S) + A)
};

} // End namespace elfcpp.

#endif // !defined(ELFCPP_AARCH64_H)