1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2 /*
3  * ELF register definitions..
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License
7  * as published by the Free Software Foundation; either version
8  * 2 of the License, or (at your option) any later version.
9  */
10 #ifndef _UAPI_ASM_POWERPC_ELF_H
11 #define _UAPI_ASM_POWERPC_ELF_H
12 
13 
14 #include <linux/types.h>
15 
16 #include <asm/ptrace.h>
17 #include <asm/cputable.h>
18 #include <asm/auxvec.h>
19 
20 /* PowerPC relocations defined by the ABIs */
21 #define R_PPC_NONE		0
22 #define R_PPC_ADDR32		1	/* 32bit absolute address */
23 #define R_PPC_ADDR24		2	/* 26bit address, 2 bits ignored.  */
24 #define R_PPC_ADDR16		3	/* 16bit absolute address */
25 #define R_PPC_ADDR16_LO		4	/* lower 16bit of absolute address */
26 #define R_PPC_ADDR16_HI		5	/* high 16bit of absolute address */
27 #define R_PPC_ADDR16_HA		6	/* adjusted high 16bit */
28 #define R_PPC_ADDR14		7	/* 16bit address, 2 bits ignored */
29 #define R_PPC_ADDR14_BRTAKEN	8
30 #define R_PPC_ADDR14_BRNTAKEN	9
31 #define R_PPC_REL24		10	/* PC relative 26 bit */
32 #define R_PPC_REL14		11	/* PC relative 16 bit */
33 #define R_PPC_REL14_BRTAKEN	12
34 #define R_PPC_REL14_BRNTAKEN	13
35 #define R_PPC_GOT16		14
36 #define R_PPC_GOT16_LO		15
37 #define R_PPC_GOT16_HI		16
38 #define R_PPC_GOT16_HA		17
39 #define R_PPC_PLTREL24		18
40 #define R_PPC_COPY		19
41 #define R_PPC_GLOB_DAT		20
42 #define R_PPC_JMP_SLOT		21
43 #define R_PPC_RELATIVE		22
44 #define R_PPC_LOCAL24PC		23
45 #define R_PPC_UADDR32		24
46 #define R_PPC_UADDR16		25
47 #define R_PPC_REL32		26
48 #define R_PPC_PLT32		27
49 #define R_PPC_PLTREL32		28
50 #define R_PPC_PLT16_LO		29
51 #define R_PPC_PLT16_HI		30
52 #define R_PPC_PLT16_HA		31
53 #define R_PPC_SDAREL16		32
54 #define R_PPC_SECTOFF		33
55 #define R_PPC_SECTOFF_LO	34
56 #define R_PPC_SECTOFF_HI	35
57 #define R_PPC_SECTOFF_HA	36
58 
59 /* PowerPC relocations defined for the TLS access ABI.  */
60 #define R_PPC_TLS		67 /* none	(sym+add)@tls */
61 #define R_PPC_DTPMOD32		68 /* word32	(sym+add)@dtpmod */
62 #define R_PPC_TPREL16		69 /* half16*	(sym+add)@tprel */
63 #define R_PPC_TPREL16_LO	70 /* half16	(sym+add)@tprel@l */
64 #define R_PPC_TPREL16_HI	71 /* half16	(sym+add)@tprel@h */
65 #define R_PPC_TPREL16_HA	72 /* half16	(sym+add)@tprel@ha */
66 #define R_PPC_TPREL32		73 /* word32	(sym+add)@tprel */
67 #define R_PPC_DTPREL16		74 /* half16*	(sym+add)@dtprel */
68 #define R_PPC_DTPREL16_LO	75 /* half16	(sym+add)@dtprel@l */
69 #define R_PPC_DTPREL16_HI	76 /* half16	(sym+add)@dtprel@h */
70 #define R_PPC_DTPREL16_HA	77 /* half16	(sym+add)@dtprel@ha */
71 #define R_PPC_DTPREL32		78 /* word32	(sym+add)@dtprel */
72 #define R_PPC_GOT_TLSGD16	79 /* half16*	(sym+add)@got@tlsgd */
73 #define R_PPC_GOT_TLSGD16_LO	80 /* half16	(sym+add)@got@tlsgd@l */
74 #define R_PPC_GOT_TLSGD16_HI	81 /* half16	(sym+add)@got@tlsgd@h */
75 #define R_PPC_GOT_TLSGD16_HA	82 /* half16	(sym+add)@got@tlsgd@ha */
76 #define R_PPC_GOT_TLSLD16	83 /* half16*	(sym+add)@got@tlsld */
77 #define R_PPC_GOT_TLSLD16_LO	84 /* half16	(sym+add)@got@tlsld@l */
78 #define R_PPC_GOT_TLSLD16_HI	85 /* half16	(sym+add)@got@tlsld@h */
79 #define R_PPC_GOT_TLSLD16_HA	86 /* half16	(sym+add)@got@tlsld@ha */
80 #define R_PPC_GOT_TPREL16	87 /* half16*	(sym+add)@got@tprel */
81 #define R_PPC_GOT_TPREL16_LO	88 /* half16	(sym+add)@got@tprel@l */
82 #define R_PPC_GOT_TPREL16_HI	89 /* half16	(sym+add)@got@tprel@h */
83 #define R_PPC_GOT_TPREL16_HA	90 /* half16	(sym+add)@got@tprel@ha */
84 #define R_PPC_GOT_DTPREL16	91 /* half16*	(sym+add)@got@dtprel */
85 #define R_PPC_GOT_DTPREL16_LO	92 /* half16*	(sym+add)@got@dtprel@l */
86 #define R_PPC_GOT_DTPREL16_HI	93 /* half16*	(sym+add)@got@dtprel@h */
87 #define R_PPC_GOT_DTPREL16_HA	94 /* half16*	(sym+add)@got@dtprel@ha */
88 
89 /* keep this the last entry. */
90 #define R_PPC_NUM		95
91 
92 
93 #define ELF_NGREG	48	/* includes nip, msr, lr, etc. */
94 #define ELF_NFPREG	33	/* includes fpscr */
95 #define ELF_NVMX	34	/* includes all vector registers */
96 #define ELF_NVSX	32	/* includes all VSX registers */
97 #define ELF_NTMSPRREG	3	/* include tfhar, tfiar, texasr */
98 #define ELF_NEBB	3	/* includes ebbrr, ebbhr, bescr */
99 #define ELF_NPMU	5	/* includes siar, sdar, sier, mmcr2, mmcr0 */
100 #define ELF_NPKEY	3	/* includes amr, iamr, uamor */
101 
102 typedef unsigned long elf_greg_t64;
103 typedef elf_greg_t64 elf_gregset_t64[ELF_NGREG];
104 
105 typedef unsigned int elf_greg_t32;
106 typedef elf_greg_t32 elf_gregset_t32[ELF_NGREG];
107 typedef elf_gregset_t32 compat_elf_gregset_t;
108 
109 /*
110  * ELF_ARCH, CLASS, and DATA are used to set parameters in the core dumps.
111  */
112 #ifdef __powerpc64__
113 # define ELF_NVRREG32	33	/* includes vscr & vrsave stuffed together */
114 # define ELF_NVRREG	34	/* includes vscr & vrsave in split vectors */
115 # define ELF_NVSRHALFREG 32	/* Half the vsx registers */
116 # define ELF_GREG_TYPE	elf_greg_t64
117 # define ELF_ARCH	EM_PPC64
118 # define ELF_CLASS	ELFCLASS64
119 typedef elf_greg_t64 elf_greg_t;
120 typedef elf_gregset_t64 elf_gregset_t;
121 #else
122 # define ELF_NEVRREG	34	/* includes acc (as 2) */
123 # define ELF_NVRREG	33	/* includes vscr */
124 # define ELF_GREG_TYPE	elf_greg_t32
125 # define ELF_ARCH	EM_PPC
126 # define ELF_CLASS	ELFCLASS32
127 typedef elf_greg_t32 elf_greg_t;
128 typedef elf_gregset_t32 elf_gregset_t;
129 #endif /* __powerpc64__ */
130 
131 #ifdef __BIG_ENDIAN__
132 #define ELF_DATA	ELFDATA2MSB
133 #else
134 #define ELF_DATA	ELFDATA2LSB
135 #endif
136 
137 /* Floating point registers */
138 typedef double elf_fpreg_t;
139 typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
140 
141 /* Altivec registers */
142 /*
143  * The entries with indexes 0-31 contain the corresponding vector registers.
144  * The entry with index 32 contains the vscr as the last word (offset 12)
145  * within the quadword.  This allows the vscr to be stored as either a
146  * quadword (since it must be copied via a vector register to/from storage)
147  * or as a word.
148  *
149  * 64-bit kernel notes: The entry at index 33 contains the vrsave as the first
150  * word (offset 0) within the quadword.
151  *
152  * This definition of the VMX state is compatible with the current PPC32
153  * ptrace interface.  This allows signal handling and ptrace to use the same
154  * structures.  This also simplifies the implementation of a bi-arch
155  * (combined (32- and 64-bit) gdb.
156  *
157  * Note that it's _not_ compatible with 32 bits ucontext which stuffs the
158  * vrsave along with vscr and so only uses 33 vectors for the register set
159  */
160 typedef __vector128 elf_vrreg_t;
161 typedef elf_vrreg_t elf_vrregset_t[ELF_NVRREG];
162 #ifdef __powerpc64__
163 typedef elf_vrreg_t elf_vrregset_t32[ELF_NVRREG32];
164 typedef elf_fpreg_t elf_vsrreghalf_t32[ELF_NVSRHALFREG];
165 #endif
166 
167 /* PowerPC64 relocations defined by the ABIs */
168 #define R_PPC64_NONE    R_PPC_NONE
169 #define R_PPC64_ADDR32  R_PPC_ADDR32  /* 32bit absolute address.  */
170 #define R_PPC64_ADDR24  R_PPC_ADDR24  /* 26bit address, word aligned.  */
171 #define R_PPC64_ADDR16  R_PPC_ADDR16  /* 16bit absolute address. */
172 #define R_PPC64_ADDR16_LO R_PPC_ADDR16_LO /* lower 16bits of abs. address.  */
173 #define R_PPC64_ADDR16_HI R_PPC_ADDR16_HI /* high 16bits of abs. address. */
174 #define R_PPC64_ADDR16_HA R_PPC_ADDR16_HA /* adjusted high 16bits.  */
175 #define R_PPC64_ADDR14 R_PPC_ADDR14   /* 16bit address, word aligned.  */
176 #define R_PPC64_ADDR14_BRTAKEN  R_PPC_ADDR14_BRTAKEN
177 #define R_PPC64_ADDR14_BRNTAKEN R_PPC_ADDR14_BRNTAKEN
178 #define R_PPC64_REL24   R_PPC_REL24 /* PC relative 26 bit, word aligned.  */
179 #define R_PPC64_REL14   R_PPC_REL14 /* PC relative 16 bit. */
180 #define R_PPC64_REL14_BRTAKEN   R_PPC_REL14_BRTAKEN
181 #define R_PPC64_REL14_BRNTAKEN  R_PPC_REL14_BRNTAKEN
182 #define R_PPC64_GOT16     R_PPC_GOT16
183 #define R_PPC64_GOT16_LO  R_PPC_GOT16_LO
184 #define R_PPC64_GOT16_HI  R_PPC_GOT16_HI
185 #define R_PPC64_GOT16_HA  R_PPC_GOT16_HA
186 
187 #define R_PPC64_COPY      R_PPC_COPY
188 #define R_PPC64_GLOB_DAT  R_PPC_GLOB_DAT
189 #define R_PPC64_JMP_SLOT  R_PPC_JMP_SLOT
190 #define R_PPC64_RELATIVE  R_PPC_RELATIVE
191 
192 #define R_PPC64_UADDR32   R_PPC_UADDR32
193 #define R_PPC64_UADDR16   R_PPC_UADDR16
194 #define R_PPC64_REL32     R_PPC_REL32
195 #define R_PPC64_PLT32     R_PPC_PLT32
196 #define R_PPC64_PLTREL32  R_PPC_PLTREL32
197 #define R_PPC64_PLT16_LO  R_PPC_PLT16_LO
198 #define R_PPC64_PLT16_HI  R_PPC_PLT16_HI
199 #define R_PPC64_PLT16_HA  R_PPC_PLT16_HA
200 
201 #define R_PPC64_SECTOFF     R_PPC_SECTOFF
202 #define R_PPC64_SECTOFF_LO  R_PPC_SECTOFF_LO
203 #define R_PPC64_SECTOFF_HI  R_PPC_SECTOFF_HI
204 #define R_PPC64_SECTOFF_HA  R_PPC_SECTOFF_HA
205 #define R_PPC64_ADDR30          37  /* word30 (S + A - P) >> 2.  */
206 #define R_PPC64_ADDR64          38  /* doubleword64 S + A.  */
207 #define R_PPC64_ADDR16_HIGHER   39  /* half16 #higher(S + A).  */
208 #define R_PPC64_ADDR16_HIGHERA  40  /* half16 #highera(S + A).  */
209 #define R_PPC64_ADDR16_HIGHEST  41  /* half16 #highest(S + A).  */
210 #define R_PPC64_ADDR16_HIGHESTA 42  /* half16 #highesta(S + A). */
211 #define R_PPC64_UADDR64     43  /* doubleword64 S + A.  */
212 #define R_PPC64_REL64       44  /* doubleword64 S + A - P.  */
213 #define R_PPC64_PLT64       45  /* doubleword64 L + A.  */
214 #define R_PPC64_PLTREL64    46  /* doubleword64 L + A - P.  */
215 #define R_PPC64_TOC16       47  /* half16* S + A - .TOC.  */
216 #define R_PPC64_TOC16_LO    48  /* half16 #lo(S + A - .TOC.).  */
217 #define R_PPC64_TOC16_HI    49  /* half16 #hi(S + A - .TOC.).  */
218 #define R_PPC64_TOC16_HA    50  /* half16 #ha(S + A - .TOC.).  */
219 #define R_PPC64_TOC         51  /* doubleword64 .TOC. */
220 #define R_PPC64_PLTGOT16    52  /* half16* M + A.  */
221 #define R_PPC64_PLTGOT16_LO 53  /* half16 #lo(M + A).  */
222 #define R_PPC64_PLTGOT16_HI 54  /* half16 #hi(M + A).  */
223 #define R_PPC64_PLTGOT16_HA 55  /* half16 #ha(M + A).  */
224 
225 #define R_PPC64_ADDR16_DS      56 /* half16ds* (S + A) >> 2.  */
226 #define R_PPC64_ADDR16_LO_DS   57 /* half16ds  #lo(S + A) >> 2.  */
227 #define R_PPC64_GOT16_DS       58 /* half16ds* (G + A) >> 2.  */
228 #define R_PPC64_GOT16_LO_DS    59 /* half16ds  #lo(G + A) >> 2.  */
229 #define R_PPC64_PLT16_LO_DS    60 /* half16ds  #lo(L + A) >> 2.  */
230 #define R_PPC64_SECTOFF_DS     61 /* half16ds* (R + A) >> 2.  */
231 #define R_PPC64_SECTOFF_LO_DS  62 /* half16ds  #lo(R + A) >> 2.  */
232 #define R_PPC64_TOC16_DS       63 /* half16ds* (S + A - .TOC.) >> 2.  */
233 #define R_PPC64_TOC16_LO_DS    64 /* half16ds  #lo(S + A - .TOC.) >> 2.  */
234 #define R_PPC64_PLTGOT16_DS    65 /* half16ds* (M + A) >> 2.  */
235 #define R_PPC64_PLTGOT16_LO_DS 66 /* half16ds  #lo(M + A) >> 2.  */
236 
237 /* PowerPC64 relocations defined for the TLS access ABI.  */
238 #define R_PPC64_TLS		67 /* none	(sym+add)@tls */
239 #define R_PPC64_DTPMOD64	68 /* doubleword64 (sym+add)@dtpmod */
240 #define R_PPC64_TPREL16		69 /* half16*	(sym+add)@tprel */
241 #define R_PPC64_TPREL16_LO	70 /* half16	(sym+add)@tprel@l */
242 #define R_PPC64_TPREL16_HI	71 /* half16	(sym+add)@tprel@h */
243 #define R_PPC64_TPREL16_HA	72 /* half16	(sym+add)@tprel@ha */
244 #define R_PPC64_TPREL64		73 /* doubleword64 (sym+add)@tprel */
245 #define R_PPC64_DTPREL16	74 /* half16*	(sym+add)@dtprel */
246 #define R_PPC64_DTPREL16_LO	75 /* half16	(sym+add)@dtprel@l */
247 #define R_PPC64_DTPREL16_HI	76 /* half16	(sym+add)@dtprel@h */
248 #define R_PPC64_DTPREL16_HA	77 /* half16	(sym+add)@dtprel@ha */
249 #define R_PPC64_DTPREL64	78 /* doubleword64 (sym+add)@dtprel */
250 #define R_PPC64_GOT_TLSGD16	79 /* half16*	(sym+add)@got@tlsgd */
251 #define R_PPC64_GOT_TLSGD16_LO	80 /* half16	(sym+add)@got@tlsgd@l */
252 #define R_PPC64_GOT_TLSGD16_HI	81 /* half16	(sym+add)@got@tlsgd@h */
253 #define R_PPC64_GOT_TLSGD16_HA	82 /* half16	(sym+add)@got@tlsgd@ha */
254 #define R_PPC64_GOT_TLSLD16	83 /* half16*	(sym+add)@got@tlsld */
255 #define R_PPC64_GOT_TLSLD16_LO	84 /* half16	(sym+add)@got@tlsld@l */
256 #define R_PPC64_GOT_TLSLD16_HI	85 /* half16	(sym+add)@got@tlsld@h */
257 #define R_PPC64_GOT_TLSLD16_HA	86 /* half16	(sym+add)@got@tlsld@ha */
258 #define R_PPC64_GOT_TPREL16_DS	87 /* half16ds*	(sym+add)@got@tprel */
259 #define R_PPC64_GOT_TPREL16_LO_DS 88 /* half16ds (sym+add)@got@tprel@l */
260 #define R_PPC64_GOT_TPREL16_HI	89 /* half16	(sym+add)@got@tprel@h */
261 #define R_PPC64_GOT_TPREL16_HA	90 /* half16	(sym+add)@got@tprel@ha */
262 #define R_PPC64_GOT_DTPREL16_DS	91 /* half16ds*	(sym+add)@got@dtprel */
263 #define R_PPC64_GOT_DTPREL16_LO_DS 92 /* half16ds (sym+add)@got@dtprel@l */
264 #define R_PPC64_GOT_DTPREL16_HI	93 /* half16	(sym+add)@got@dtprel@h */
265 #define R_PPC64_GOT_DTPREL16_HA	94 /* half16	(sym+add)@got@dtprel@ha */
266 #define R_PPC64_TPREL16_DS	95 /* half16ds*	(sym+add)@tprel */
267 #define R_PPC64_TPREL16_LO_DS	96 /* half16ds	(sym+add)@tprel@l */
268 #define R_PPC64_TPREL16_HIGHER	97 /* half16	(sym+add)@tprel@higher */
269 #define R_PPC64_TPREL16_HIGHERA	98 /* half16	(sym+add)@tprel@highera */
270 #define R_PPC64_TPREL16_HIGHEST	99 /* half16	(sym+add)@tprel@highest */
271 #define R_PPC64_TPREL16_HIGHESTA 100 /* half16	(sym+add)@tprel@highesta */
272 #define R_PPC64_DTPREL16_DS	101 /* half16ds* (sym+add)@dtprel */
273 #define R_PPC64_DTPREL16_LO_DS	102 /* half16ds	(sym+add)@dtprel@l */
274 #define R_PPC64_DTPREL16_HIGHER	103 /* half16	(sym+add)@dtprel@higher */
275 #define R_PPC64_DTPREL16_HIGHERA 104 /* half16	(sym+add)@dtprel@highera */
276 #define R_PPC64_DTPREL16_HIGHEST 105 /* half16	(sym+add)@dtprel@highest */
277 #define R_PPC64_DTPREL16_HIGHESTA 106 /* half16	(sym+add)@dtprel@highesta */
278 #define R_PPC64_TLSGD		107
279 #define R_PPC64_TLSLD		108
280 #define R_PPC64_TOCSAVE		109
281 
282 #define R_PPC64_ENTRY		118
283 
284 #define R_PPC64_REL16		249
285 #define R_PPC64_REL16_LO	250
286 #define R_PPC64_REL16_HI	251
287 #define R_PPC64_REL16_HA	252
288 
289 /* Keep this the last entry.  */
290 #define R_PPC64_NUM		253
291 
292 /* There's actually a third entry here, but it's unused */
293 struct ppc64_opd_entry
294 {
295 	unsigned long funcaddr;
296 	unsigned long r2;
297 };
298 
299 
300 #endif /* _UAPI_ASM_POWERPC_ELF_H */
301