Annotation of src/external/gpl3/binutils/dist/elfcpp/powerpc.h, Revision 1.1.1.4
1.1 skrll 1: // powerpc.h -- ELF definitions specific to EM_PPC and EM_PPC64 -*- C++ -*-
2:
1.1.1.4 ! christos 3: // Copyright (C) 2008-2016 Free Software Foundation, Inc.
1.1 skrll 4: // Written by David S. Miller <davem@davemloft.net>.
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_POWERPC_H
33: #define ELFCPP_POWERPC_H
34:
35: namespace elfcpp
36: {
37:
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.
43: enum
44: {
45: R_POWERPC_NONE = 0,
46: R_POWERPC_ADDR32 = 1,
47: R_POWERPC_ADDR24 = 2,
48: R_POWERPC_ADDR16 = 3,
49: R_POWERPC_ADDR16_LO = 4,
50: R_POWERPC_ADDR16_HI = 5,
51: R_POWERPC_ADDR16_HA = 6,
52: R_POWERPC_ADDR14 = 7,
53: R_POWERPC_ADDR14_BRTAKEN = 8,
54: R_POWERPC_ADDR14_BRNTAKEN = 9,
55: R_POWERPC_REL24 = 10,
56: R_POWERPC_REL14 = 11,
57: R_POWERPC_REL14_BRTAKEN = 12,
58: R_POWERPC_REL14_BRNTAKEN = 13,
59: R_POWERPC_GOT16 = 14,
60: R_POWERPC_GOT16_LO = 15,
61: R_POWERPC_GOT16_HI = 16,
62: R_POWERPC_GOT16_HA = 17,
63: R_PPC_PLTREL24 = 18,
64: R_POWERPC_COPY = 19,
65: R_POWERPC_GLOB_DAT = 20,
66: R_POWERPC_JMP_SLOT = 21,
67: R_POWERPC_RELATIVE = 22,
68: R_PPC_LOCAL24PC = 23,
69: R_POWERPC_UADDR32 = 24,
70: R_POWERPC_UADDR16 = 25,
71: R_POWERPC_REL32 = 26,
72: R_POWERPC_PLT32 = 27,
73: R_POWERPC_PLTREL32 = 28,
74: R_POWERPC_PLT16_LO = 29,
75: R_POWERPC_PLT16_HI = 30,
76: R_POWERPC_PLT16_HA = 31,
77: R_PPC_SDAREL16 = 32,
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,
83: R_PPC64_ADDR64 = 38,
84: R_PPC64_ADDR16_HIGHER = 39,
85: R_PPC64_ADDR16_HIGHERA = 40,
86: R_PPC64_ADDR16_HIGHEST = 41,
87: R_PPC64_ADDR16_HIGHESTA = 42,
88: R_PPC64_UADDR64 = 43,
89: R_PPC64_REL64 = 44,
90: R_PPC64_PLT64 = 45,
91: R_PPC64_PLTREL64 = 46,
92: R_PPC64_TOC16 = 47,
93: R_PPC64_TOC16_LO = 48,
94: R_PPC64_TOC16_HI = 49,
95: R_PPC64_TOC16_HA = 50,
96: R_PPC64_TOC = 51,
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,
112: R_POWERPC_TLS = 67,
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,
1.1.1.3 christos 140: R_PPC_TLSGD = 95,
1.1 skrll 141: R_PPC64_TPREL16_DS = 95,
1.1.1.3 christos 142: R_PPC_TLSLD = 96,
1.1 skrll 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,
1.1.1.3 christos 149: R_PPC64_DTPREL16_DS = 101,
1.1 skrll 150: R_PPC_EMB_NADDR16 = 102,
1.1.1.3 christos 151: R_PPC64_DTPREL16_LO_DS = 102,
1.1 skrll 152: R_PPC_EMB_NADDR16_LO = 103,
1.1.1.3 christos 153: R_PPC64_DTPREL16_HIGHER = 103,
1.1 skrll 154: R_PPC_EMB_NADDR16_HI = 104,
1.1.1.3 christos 155: R_PPC64_DTPREL16_HIGHERA = 104,
1.1 skrll 156: R_PPC_EMB_NADDR16_HA = 105,
1.1.1.3 christos 157: R_PPC64_DTPREL16_HIGHEST = 105,
1.1 skrll 158: R_PPC_EMB_SDAI16 = 106,
1.1.1.3 christos 159: R_PPC64_DTPREL16_HIGHESTA = 106,
1.1 skrll 160: R_PPC_EMB_SDA2I16 = 107,
1.1.1.3 christos 161: R_PPC64_TLSGD = 107,
1.1 skrll 162: R_PPC_EMB_SDA2REL = 108,
1.1.1.3 christos 163: R_PPC64_TLSLD = 108,
1.1 skrll 164: R_PPC_EMB_SDA21 = 109,
1.1.1.3 christos 165: R_PPC64_TOCSAVE = 109,
1.1 skrll 166: R_PPC_EMB_MRKREF = 110,
1.1.1.3 christos 167: R_PPC64_ADDR16_HIGH = 110,
1.1 skrll 168: R_PPC_EMB_RELSEC16 = 111,
1.1.1.3 christos 169: R_PPC64_ADDR16_HIGHA = 111,
1.1 skrll 170: R_PPC_EMB_RELST_LO = 112,
1.1.1.3 christos 171: R_PPC64_TPREL16_HIGH = 112,
1.1 skrll 172: R_PPC_EMB_RELST_HI = 113,
1.1.1.3 christos 173: R_PPC64_TPREL16_HIGHA = 113,
1.1 skrll 174: R_PPC_EMB_RELST_HA = 114,
1.1.1.3 christos 175: R_PPC64_DTPREL16_HIGH = 114,
1.1 skrll 176: R_PPC_EMB_BIT_FLD = 115,
1.1.1.3 christos 177: R_PPC64_DTPREL16_HIGHA = 115,
1.1 skrll 178: R_PPC_EMB_RELSDA = 116,
1.1.1.3 christos 179: R_PPC64_REL24_NOTOC = 116,
180: R_PPC64_ADDR64_LOCAL = 117,
181: R_PPC64_ENTRY = 118,
182:
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,
1.1.1.2 christos 200:
1.1.1.3 christos 201: R_POWERPC_REL16DX_HA = 246,
202: R_PPC64_JMP_IREL = 247,
1.1.1.2 christos 203: R_POWERPC_IRELATIVE = 248,
1.1.1.3 christos 204: R_POWERPC_REL16 = 249,
205: R_POWERPC_REL16_LO = 250,
206: R_POWERPC_REL16_HI = 251,
207: R_POWERPC_REL16_HA = 252,
1.1 skrll 208: R_POWERPC_GNU_VTINHERIT = 253,
209: R_POWERPC_GNU_VTENTRY = 254,
210: R_PPC_TOC16 = 255,
211: };
212:
213: // e_flags values defined for powerpc
214: enum
215: {
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. */
219: };
220:
1.1.1.3 christos 221: // e_flags values defined for powerpc64
222: enum
223: {
224: // ABI version
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.
228: EF_PPC64_ABI = 3
229: };
230:
231: enum
232: {
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
244: // at entry.
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.
249:
250: STO_PPC64_LOCAL_BIT = 5,
251: STO_PPC64_LOCAL_MASK = 0xE0
252: };
253:
254: // 3 bit other field to bytes.
255: static inline unsigned int
256: ppc64_decode_local_entry(unsigned int other)
257: {
258: return ((1 << other) >> 2) << 2;
259: }
260:
261: // bytes to field value.
262: static inline unsigned int
263: ppc64_encode_local_entry(unsigned int val)
264: {
265: return (val >= 4 * 4
266: ? (val >= 8 * 4
267: ? (val >= 16 * 4 ? 6 : 5)
268: : 4)
269: : (val >= 2 * 4
270: ? 3
271: : (val >= 1 * 4 ? 2 : 0)));
272: }
273:
1.1 skrll 274: } // End namespace elfcpp.
275:
276: #endif // !defined(ELFCPP_POWERPC_H)
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