1 // powerpc.h -- ELF definitions specific to EM_PPC and EM_PPC64 -*- C++ -*-
3 // Copyright (C) 2008-2016 Free Software Foundation, Inc.
4 // Written by David S. Miller <davem@davemloft.net>.
6 // This file is part of elfcpp.
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.
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.)
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.
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
32 #ifndef ELFCPP_POWERPC_H
33 #define ELFCPP_POWERPC_H
38 // The relocation numbers for 32-bit and 64-bit powerpc are nearly
39 // identical. Therefore I've adopted the convention of using
40 // R_POWERPC_foo for values which are the same in R_PPC_* and R_PPC64_*.
41 // For relocations which are specific to the word size I will use
42 // R_PPC_foo or R_PPC64_foo.
49 R_POWERPC_ADDR16_LO
= 4,
50 R_POWERPC_ADDR16_HI
= 5,
51 R_POWERPC_ADDR16_HA
= 6,
53 R_POWERPC_ADDR14_BRTAKEN
= 8,
54 R_POWERPC_ADDR14_BRNTAKEN
= 9,
57 R_POWERPC_REL14_BRTAKEN
= 12,
58 R_POWERPC_REL14_BRNTAKEN
= 13,
60 R_POWERPC_GOT16_LO
= 15,
61 R_POWERPC_GOT16_HI
= 16,
62 R_POWERPC_GOT16_HA
= 17,
65 R_POWERPC_GLOB_DAT
= 20,
66 R_POWERPC_JMP_SLOT
= 21,
67 R_POWERPC_RELATIVE
= 22,
69 R_POWERPC_UADDR32
= 24,
70 R_POWERPC_UADDR16
= 25,
73 R_POWERPC_PLTREL32
= 28,
74 R_POWERPC_PLT16_LO
= 29,
75 R_POWERPC_PLT16_HI
= 30,
76 R_POWERPC_PLT16_HA
= 31,
78 R_POWERPC_SECTOFF
= 33,
79 R_POWERPC_SECTOFF_LO
= 34,
80 R_POWERPC_SECTOFF_HI
= 35,
81 R_POWERPC_SECTOFF_HA
= 36,
82 R_POWERPC_ADDR30
= 37,
84 R_PPC64_ADDR16_HIGHER
= 39,
85 R_PPC64_ADDR16_HIGHERA
= 40,
86 R_PPC64_ADDR16_HIGHEST
= 41,
87 R_PPC64_ADDR16_HIGHESTA
= 42,
91 R_PPC64_PLTREL64
= 46,
93 R_PPC64_TOC16_LO
= 48,
94 R_PPC64_TOC16_HI
= 49,
95 R_PPC64_TOC16_HA
= 50,
97 R_PPC64_PLTGOT16
= 52,
98 R_PPC64_PLTGOT16_LO
= 53,
99 R_PPC64_PLTGOT16_HI
= 54,
100 R_PPC64_PLTGOT16_HA
= 55,
101 R_PPC64_ADDR16_DS
= 56,
102 R_PPC64_ADDR16_LO_DS
= 57,
103 R_PPC64_GOT16_DS
= 58,
104 R_PPC64_GOT16_LO_DS
= 59,
105 R_PPC64_PLT16_LO_DS
= 60,
106 R_PPC64_SECTOFF_DS
= 61,
107 R_PPC64_SECTOFF_LO_DS
= 62,
108 R_PPC64_TOC16_DS
= 63,
109 R_PPC64_TOC16_LO_DS
= 64,
110 R_PPC64_PLTGOT16_DS
= 65,
111 R_PPC64_PLTGOT16_LO_DS
= 66,
113 R_POWERPC_DTPMOD
= 68,
114 R_POWERPC_TPREL16
= 69,
115 R_POWERPC_TPREL16_LO
= 70,
116 R_POWERPC_TPREL16_HI
= 71,
117 R_POWERPC_TPREL16_HA
= 72,
118 R_POWERPC_TPREL
= 73,
119 R_POWERPC_DTPREL16
= 74,
120 R_POWERPC_DTPREL16_LO
= 75,
121 R_POWERPC_DTPREL16_HI
= 76,
122 R_POWERPC_DTPREL16_HA
= 77,
123 R_POWERPC_DTPREL
= 78,
124 R_POWERPC_GOT_TLSGD16
= 79,
125 R_POWERPC_GOT_TLSGD16_LO
= 80,
126 R_POWERPC_GOT_TLSGD16_HI
= 81,
127 R_POWERPC_GOT_TLSGD16_HA
= 82,
128 R_POWERPC_GOT_TLSLD16
= 83,
129 R_POWERPC_GOT_TLSLD16_LO
= 84,
130 R_POWERPC_GOT_TLSLD16_HI
= 85,
131 R_POWERPC_GOT_TLSLD16_HA
= 86,
132 R_POWERPC_GOT_TPREL16
= 87,
133 R_POWERPC_GOT_TPREL16_LO
= 88,
134 R_POWERPC_GOT_TPREL16_HI
= 89,
135 R_POWERPC_GOT_TPREL16_HA
= 90,
136 R_POWERPC_GOT_DTPREL16
= 91,
137 R_POWERPC_GOT_DTPREL16_LO
= 92,
138 R_POWERPC_GOT_DTPREL16_HI
= 93,
139 R_POWERPC_GOT_DTPREL16_HA
= 94,
141 R_PPC64_TPREL16_DS
= 95,
143 R_PPC64_TPREL16_LO_DS
= 96,
144 R_PPC64_TPREL16_HIGHER
= 97,
145 R_PPC64_TPREL16_HIGHERA
= 98,
146 R_PPC64_TPREL16_HIGHEST
= 99,
147 R_PPC64_TPREL16_HIGHESTA
= 100,
148 R_PPC_EMB_NADDR32
= 101,
149 R_PPC64_DTPREL16_DS
= 101,
150 R_PPC_EMB_NADDR16
= 102,
151 R_PPC64_DTPREL16_LO_DS
= 102,
152 R_PPC_EMB_NADDR16_LO
= 103,
153 R_PPC64_DTPREL16_HIGHER
= 103,
154 R_PPC_EMB_NADDR16_HI
= 104,
155 R_PPC64_DTPREL16_HIGHERA
= 104,
156 R_PPC_EMB_NADDR16_HA
= 105,
157 R_PPC64_DTPREL16_HIGHEST
= 105,
158 R_PPC_EMB_SDAI16
= 106,
159 R_PPC64_DTPREL16_HIGHESTA
= 106,
160 R_PPC_EMB_SDA2I16
= 107,
162 R_PPC_EMB_SDA2REL
= 108,
164 R_PPC_EMB_SDA21
= 109,
165 R_PPC64_TOCSAVE
= 109,
166 R_PPC_EMB_MRKREF
= 110,
167 R_PPC64_ADDR16_HIGH
= 110,
168 R_PPC_EMB_RELSEC16
= 111,
169 R_PPC64_ADDR16_HIGHA
= 111,
170 R_PPC_EMB_RELST_LO
= 112,
171 R_PPC64_TPREL16_HIGH
= 112,
172 R_PPC_EMB_RELST_HI
= 113,
173 R_PPC64_TPREL16_HIGHA
= 113,
174 R_PPC_EMB_RELST_HA
= 114,
175 R_PPC64_DTPREL16_HIGH
= 114,
176 R_PPC_EMB_BIT_FLD
= 115,
177 R_PPC64_DTPREL16_HIGHA
= 115,
178 R_PPC_EMB_RELSDA
= 116,
179 R_PPC64_REL24_NOTOC
= 116,
180 R_PPC64_ADDR64_LOCAL
= 117,
183 R_PPC_VLE_REL8
= 216,
184 R_PPC_VLE_REL15
= 217,
185 R_PPC_VLE_REL24
= 218,
186 R_PPC_VLE_LO16A
= 219,
187 R_PPC_VLE_LO16D
= 220,
188 R_PPC_VLE_HI16A
= 221,
189 R_PPC_VLE_HI16D
= 222,
190 R_PPC_VLE_HA16A
= 223,
191 R_PPC_VLE_HA16D
= 224,
192 R_PPC_VLE_SDA21
= 225,
193 R_PPC_VLE_SDA21_LO
= 226,
194 R_PPC_VLE_SDAREL_LO16A
= 227,
195 R_PPC_VLE_SDAREL_LO16D
= 228,
196 R_PPC_VLE_SDAREL_HI16A
= 229,
197 R_PPC_VLE_SDAREL_HI16D
= 230,
198 R_PPC_VLE_SDAREL_HA16A
= 231,
199 R_PPC_VLE_SDAREL_HA16D
= 232,
201 R_POWERPC_REL16DX_HA
= 246,
202 R_PPC64_JMP_IREL
= 247,
203 R_POWERPC_IRELATIVE
= 248,
204 R_POWERPC_REL16
= 249,
205 R_POWERPC_REL16_LO
= 250,
206 R_POWERPC_REL16_HI
= 251,
207 R_POWERPC_REL16_HA
= 252,
208 R_POWERPC_GNU_VTINHERIT
= 253,
209 R_POWERPC_GNU_VTENTRY
= 254,
213 // e_flags values defined for powerpc
216 EF_PPC_EMB
= 0x80000000, // PowerPC embedded flag.
217 EF_PPC_RELOCATABLE
= 0x00010000, // PowerPC -mrelocatable flag. */
218 EF_PPC_RELOCATABLE_LIB
= 0x00008000, // PowerPC -mrelocatable-lib flag. */
221 // e_flags values defined for powerpc64
225 // 1 for original function descriptor using ABI,
226 // 2 for revised ABI without function descriptors,
227 // 0 for unspecified or not using any features affected by the differences.
233 // The ELFv2 ABI uses three bits in the symbol st_other field of a
234 // function definition to specify the number of instructions between a
235 // function's global entry point and local entry point.
236 // The global entry point is used when it is necessary to set up the
237 // toc pointer (r2) for the function. Callers must enter the global
238 // entry point with r12 set to the global entry point address. On
239 // return from the function, r2 may have a different value to that
240 // which it had on entry.
241 // The local entry point is used when r2 is known to already be valid
242 // for the function. There is no requirement on r12 when using the
243 // local entry point, and on return r2 will contain the same value as
245 // A value of zero in these bits means that the function has a single
246 // entry point with no requirement on r12 or r2, and that on return r2
247 // will contain the same value as at entry.
248 // Values of one and seven are reserved.
250 STO_PPC64_LOCAL_BIT
= 5,
251 STO_PPC64_LOCAL_MASK
= 0xE0
254 // 3 bit other field to bytes.
255 static inline unsigned int
256 ppc64_decode_local_entry(unsigned int other
)
258 return ((1 << other
) >> 2) << 2;
261 // bytes to field value.
262 static inline unsigned int
263 ppc64_encode_local_entry(unsigned int val
)
267 ? (val
>= 16 * 4 ? 6 : 5)
271 : (val
>= 1 * 4 ? 2 : 0)));
274 } // End namespace elfcpp.
276 #endif // !defined(ELFCPP_POWERPC_H)