summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/include/uapi/asm/elf.h
blob: 7e39c9146a71f63c1701118ec4a2e16a243341b5 (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
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
/*
 * ELF register definitions..
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */
#ifndef _UAPI_ASM_POWERPC_ELF_H
#define _UAPI_ASM_POWERPC_ELF_H


#include <linux/types.h>

#include <asm/ptrace.h>
#include <asm/cputable.h>
#include <asm/auxvec.h>

/* PowerPC relocations defined by the ABIs */
#define R_PPC_NONE		0
#define R_PPC_ADDR32		1	/* 32bit absolute address */
#define R_PPC_ADDR24		2	/* 26bit address, 2 bits ignored.  */
#define R_PPC_ADDR16		3	/* 16bit absolute address */
#define R_PPC_ADDR16_LO		4	/* lower 16bit of absolute address */
#define R_PPC_ADDR16_HI		5	/* high 16bit of absolute address */
#define R_PPC_ADDR16_HA		6	/* adjusted high 16bit */
#define R_PPC_ADDR14		7	/* 16bit address, 2 bits ignored */
#define R_PPC_ADDR14_BRTAKEN	8
#define R_PPC_ADDR14_BRNTAKEN	9
#define R_PPC_REL24		10	/* PC relative 26 bit */
#define R_PPC_REL14		11	/* PC relative 16 bit */
#define R_PPC_REL14_BRTAKEN	12
#define R_PPC_REL14_BRNTAKEN	13
#define R_PPC_GOT16		14
#define R_PPC_GOT16_LO		15
#define R_PPC_GOT16_HI		16
#define R_PPC_GOT16_HA		17
#define R_PPC_PLTREL24		18
#define R_PPC_COPY		19
#define R_PPC_GLOB_DAT		20
#define R_PPC_JMP_SLOT		21
#define R_PPC_RELATIVE		22
#define R_PPC_LOCAL24PC		23
#define R_PPC_UADDR32		24
#define R_PPC_UADDR16		25
#define R_PPC_REL32		26
#define R_PPC_PLT32		27
#define R_PPC_PLTREL32		28
#define R_PPC_PLT16_LO		29
#define R_PPC_PLT16_HI		30
#define R_PPC_PLT16_HA		31
#define R_PPC_SDAREL16		32
#define R_PPC_SECTOFF		33
#define R_PPC_SECTOFF_LO	34
#define R_PPC_SECTOFF_HI	35
#define R_PPC_SECTOFF_HA	36

/* PowerPC relocations defined for the TLS access ABI.  */
#define R_PPC_TLS		67 /* none	(sym+add)@tls */
#define R_PPC_DTPMOD32		68 /* word32	(sym+add)@dtpmod */
#define R_PPC_TPREL16		69 /* half16*	(sym+add)@tprel */
#define R_PPC_TPREL16_LO	70 /* half16	(sym+add)@tprel@l */
#define R_PPC_TPREL16_HI	71 /* half16	(sym+add)@tprel@h */
#define R_PPC_TPREL16_HA	72 /* half16	(sym+add)@tprel@ha */
#define R_PPC_TPREL32		73 /* word32	(sym+add)@tprel */
#define R_PPC_DTPREL16		74 /* half16*	(sym+add)@dtprel */
#define R_PPC_DTPREL16_LO	75 /* half16	(sym+add)@dtprel@l */
#define R_PPC_DTPREL16_HI	76 /* half16	(sym+add)@dtprel@h */
#define R_PPC_DTPREL16_HA	77 /* half16	(sym+add)@dtprel@ha */
#define R_PPC_DTPREL32		78 /* word32	(sym+add)@dtprel */
#define R_PPC_GOT_TLSGD16	79 /* half16*	(sym+add)@got@tlsgd */
#define R_PPC_GOT_TLSGD16_LO	80 /* half16	(sym+add)@got@tlsgd@l */
#define R_PPC_GOT_TLSGD16_HI	81 /* half16	(sym+add)@got@tlsgd@h */
#define R_PPC_GOT_TLSGD16_HA	82 /* half16	(sym+add)@got@tlsgd@ha */
#define R_PPC_GOT_TLSLD16	83 /* half16*	(sym+add)@got@tlsld */
#define R_PPC_GOT_TLSLD16_LO	84 /* half16	(sym+add)@got@tlsld@l */
#define R_PPC_GOT_TLSLD16_HI	85 /* half16	(sym+add)@got@tlsld@h */
#define R_PPC_GOT_TLSLD16_HA	86 /* half16	(sym+add)@got@tlsld@ha */
#define R_PPC_GOT_TPREL16	87 /* half16*	(sym+add)@got@tprel */
#define R_PPC_GOT_TPREL16_LO	88 /* half16	(sym+add)@got@tprel@l */
#define R_PPC_GOT_TPREL16_HI	89 /* half16	(sym+add)@got@tprel@h */
#define R_PPC_GOT_TPREL16_HA	90 /* half16	(sym+add)@got@tprel@ha */
#define R_PPC_GOT_DTPREL16	91 /* half16*	(sym+add)@got@dtprel */
#define R_PPC_GOT_DTPREL16_LO	92 /* half16*	(sym+add)@got@dtprel@l */
#define R_PPC_GOT_DTPREL16_HI	93 /* half16*	(sym+add)@got@dtprel@h */
#define R_PPC_GOT_DTPREL16_HA	94 /* half16*	(sym+add)@got@dtprel@ha */

/* keep this the last entry. */
#define R_PPC_NUM		95


#define ELF_NGREG	48	/* includes nip, msr, lr, etc. */
#define ELF_NFPREG	33	/* includes fpscr */

typedef unsigned long elf_greg_t64;
typedef elf_greg_t64 elf_gregset_t64[ELF_NGREG];

typedef unsigned int elf_greg_t32;
typedef elf_greg_t32 elf_gregset_t32[ELF_NGREG];
typedef elf_gregset_t32 compat_elf_gregset_t;

/*
 * ELF_ARCH, CLASS, and DATA are used to set parameters in the core dumps.
 */
#ifdef __powerpc64__
# define ELF_NVRREG32	33	/* includes vscr & vrsave stuffed together */
# define ELF_NVRREG	34	/* includes vscr & vrsave in split vectors */
# define ELF_NVSRHALFREG 32	/* Half the vsx registers */
# define ELF_GREG_TYPE	elf_greg_t64
# define ELF_ARCH	EM_PPC64
# define ELF_CLASS	ELFCLASS64
typedef elf_greg_t64 elf_greg_t;
typedef elf_gregset_t64 elf_gregset_t;
#else
# define ELF_NEVRREG	34	/* includes acc (as 2) */
# define ELF_NVRREG	33	/* includes vscr */
# define ELF_GREG_TYPE	elf_greg_t32
# define ELF_ARCH	EM_PPC
# define ELF_CLASS	ELFCLASS32
typedef elf_greg_t32 elf_greg_t;
typedef elf_gregset_t32 elf_gregset_t;
#endif /* __powerpc64__ */

#ifdef __BIG_ENDIAN__
#define ELF_DATA	ELFDATA2MSB
#else
#define ELF_DATA	ELFDATA2LSB
#endif

/* Floating point registers */
typedef double elf_fpreg_t;
typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];

/* Altivec registers */
/*
 * The entries with indexes 0-31 contain the corresponding vector registers. 
 * The entry with index 32 contains the vscr as the last word (offset 12) 
 * within the quadword.  This allows the vscr to be stored as either a 
 * quadword (since it must be copied via a vector register to/from storage) 
 * or as a word.  
 *
 * 64-bit kernel notes: The entry at index 33 contains the vrsave as the first  
 * word (offset 0) within the quadword.
 *
 * This definition of the VMX state is compatible with the current PPC32 
 * ptrace interface.  This allows signal handling and ptrace to use the same 
 * structures.  This also simplifies the implementation of a bi-arch 
 * (combined (32- and 64-bit) gdb.
 *
 * Note that it's _not_ compatible with 32 bits ucontext which stuffs the
 * vrsave along with vscr and so only uses 33 vectors for the register set
 */
typedef __vector128 elf_vrreg_t;
typedef elf_vrreg_t elf_vrregset_t[ELF_NVRREG];
#ifdef __powerpc64__
typedef elf_vrreg_t elf_vrregset_t32[ELF_NVRREG32];
typedef elf_fpreg_t elf_vsrreghalf_t32[ELF_NVSRHALFREG];
#endif


/*
 * The requirements here are:
 * - keep the final alignment of sp (sp & 0xf)
 * - make sure the 32-bit value at the first 16 byte aligned position of
 *   AUXV is greater than 16 for glibc compatibility.
 *   AT_IGNOREPPC is used for that.
 * - for compatibility with glibc ARCH_DLINFO must always be defined on PPC,
 *   even if DLINFO_ARCH_ITEMS goes to zero or is undefined.
 * update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes
 */
#define ARCH_DLINFO							\
do {									\
	/* Handle glibc compatibility. */				\
	NEW_AUX_ENT(AT_IGNOREPPC, AT_IGNOREPPC);			\
	NEW_AUX_ENT(AT_IGNOREPPC, AT_IGNOREPPC);			\
	/* Cache size items */						\
	NEW_AUX_ENT(AT_DCACHEBSIZE, dcache_bsize);			\
	NEW_AUX_ENT(AT_ICACHEBSIZE, icache_bsize);			\
	NEW_AUX_ENT(AT_UCACHEBSIZE, ucache_bsize);			\
	VDSO_AUX_ENT(AT_SYSINFO_EHDR, current->mm->context.vdso_base);	\
} while (0)

/* PowerPC64 relocations defined by the ABIs */
#define R_PPC64_NONE    R_PPC_NONE
#define R_PPC64_ADDR32  R_PPC_ADDR32  /* 32bit absolute address.  */
#define R_PPC64_ADDR24  R_PPC_ADDR24  /* 26bit address, word aligned.  */
#define R_PPC64_ADDR16  R_PPC_ADDR16  /* 16bit absolute address. */
#define R_PPC64_ADDR16_LO R_PPC_ADDR16_LO /* lower 16bits of abs. address.  */
#define R_PPC64_ADDR16_HI R_PPC_ADDR16_HI /* high 16bits of abs. address. */
#define R_PPC64_ADDR16_HA R_PPC_ADDR16_HA /* adjusted high 16bits.  */
#define R_PPC64_ADDR14 R_PPC_ADDR14   /* 16bit address, word aligned.  */
#define R_PPC64_ADDR14_BRTAKEN  R_PPC_ADDR14_BRTAKEN
#define R_PPC64_ADDR14_BRNTAKEN R_PPC_ADDR14_BRNTAKEN
#define R_PPC64_REL24   R_PPC_REL24 /* PC relative 26 bit, word aligned.  */
#define R_PPC64_REL14   R_PPC_REL14 /* PC relative 16 bit. */
#define R_PPC64_REL14_BRTAKEN   R_PPC_REL14_BRTAKEN
#define R_PPC64_REL14_BRNTAKEN  R_PPC_REL14_BRNTAKEN
#define R_PPC64_GOT16     R_PPC_GOT16
#define R_PPC64_GOT16_LO  R_PPC_GOT16_LO
#define R_PPC64_GOT16_HI  R_PPC_GOT16_HI
#define R_PPC64_GOT16_HA  R_PPC_GOT16_HA

#define R_PPC64_COPY      R_PPC_COPY
#define R_PPC64_GLOB_DAT  R_PPC_GLOB_DAT
#define R_PPC64_JMP_SLOT  R_PPC_JMP_SLOT
#define R_PPC64_RELATIVE  R_PPC_RELATIVE

#define R_PPC64_UADDR32   R_PPC_UADDR32
#define R_PPC64_UADDR16   R_PPC_UADDR16
#define R_PPC64_REL32     R_PPC_REL32
#define R_PPC64_PLT32     R_PPC_PLT32
#define R_PPC64_PLTREL32  R_PPC_PLTREL32
#define R_PPC64_PLT16_LO  R_PPC_PLT16_LO
#define R_PPC64_PLT16_HI  R_PPC_PLT16_HI
#define R_PPC64_PLT16_HA  R_PPC_PLT16_HA

#define R_PPC64_SECTOFF     R_PPC_SECTOFF
#define R_PPC64_SECTOFF_LO  R_PPC_SECTOFF_LO
#define R_PPC64_SECTOFF_HI  R_PPC_SECTOFF_HI
#define R_PPC64_SECTOFF_HA  R_PPC_SECTOFF_HA
#define R_PPC64_ADDR30          37  /* word30 (S + A - P) >> 2.  */
#define R_PPC64_ADDR64          38  /* doubleword64 S + A.  */
#define R_PPC64_ADDR16_HIGHER   39  /* half16 #higher(S + A).  */
#define R_PPC64_ADDR16_HIGHERA  40  /* half16 #highera(S + A).  */
#define R_PPC64_ADDR16_HIGHEST  41  /* half16 #highest(S + A).  */
#define R_PPC64_ADDR16_HIGHESTA 42  /* half16 #highesta(S + A). */
#define R_PPC64_UADDR64     43  /* doubleword64 S + A.  */
#define R_PPC64_REL64       44  /* doubleword64 S + A - P.  */
#define R_PPC64_PLT64       45  /* doubleword64 L + A.  */
#define R_PPC64_PLTREL64    46  /* doubleword64 L + A - P.  */
#define R_PPC64_TOC16       47  /* half16* S + A - .TOC.  */
#define R_PPC64_TOC16_LO    48  /* half16 #lo(S + A - .TOC.).  */
#define R_PPC64_TOC16_HI    49  /* half16 #hi(S + A - .TOC.).  */
#define R_PPC64_TOC16_HA    50  /* half16 #ha(S + A - .TOC.).  */
#define R_PPC64_TOC         51  /* doubleword64 .TOC. */
#define R_PPC64_PLTGOT16    52  /* half16* M + A.  */
#define R_PPC64_PLTGOT16_LO 53  /* half16 #lo(M + A).  */
#define R_PPC64_PLTGOT16_HI 54  /* half16 #hi(M + A).  */
#define R_PPC64_PLTGOT16_HA 55  /* half16 #ha(M + A).  */

#define R_PPC64_ADDR16_DS      56 /* half16ds* (S + A) >> 2.  */
#define R_PPC64_ADDR16_LO_DS   57 /* half16ds  #lo(S + A) >> 2.  */
#define R_PPC64_GOT16_DS       58 /* half16ds* (G + A) >> 2.  */
#define R_PPC64_GOT16_LO_DS    59 /* half16ds  #lo(G + A) >> 2.  */
#define R_PPC64_PLT16_LO_DS    60 /* half16ds  #lo(L + A) >> 2.  */
#define R_PPC64_SECTOFF_DS     61 /* half16ds* (R + A) >> 2.  */
#define R_PPC64_SECTOFF_LO_DS  62 /* half16ds  #lo(R + A) >> 2.  */
#define R_PPC64_TOC16_DS       63 /* half16ds* (S + A - .TOC.) >> 2.  */
#define R_PPC64_TOC16_LO_DS    64 /* half16ds  #lo(S + A - .TOC.) >> 2.  */
#define R_PPC64_PLTGOT16_DS    65 /* half16ds* (M + A) >> 2.  */
#define R_PPC64_PLTGOT16_LO_DS 66 /* half16ds  #lo(M + A) >> 2.  */

/* PowerPC64 relocations defined for the TLS access ABI.  */
#define R_PPC64_TLS		67 /* none	(sym+add)@tls */
#define R_PPC64_DTPMOD64	68 /* doubleword64 (sym+add)@dtpmod */
#define R_PPC64_TPREL16		69 /* half16*	(sym+add)@tprel */
#define R_PPC64_TPREL16_LO	70 /* half16	(sym+add)@tprel@l */
#define R_PPC64_TPREL16_HI	71 /* half16	(sym+add)@tprel@h */
#define R_PPC64_TPREL16_HA	72 /* half16	(sym+add)@tprel@ha */
#define R_PPC64_TPREL64		73 /* doubleword64 (sym+add)@tprel */
#define R_PPC64_DTPREL16	74 /* half16*	(sym+add)@dtprel */
#define R_PPC64_DTPREL16_LO	75 /* half16	(sym+add)@dtprel@l */
#define R_PPC64_DTPREL16_HI	76 /* half16	(sym+add)@dtprel@h */
#define R_PPC64_DTPREL16_HA	77 /* half16	(sym+add)@dtprel@ha */
#define R_PPC64_DTPREL64	78 /* doubleword64 (sym+add)@dtprel */
#define R_PPC64_GOT_TLSGD16	79 /* half16*	(sym+add)@got@tlsgd */
#define R_PPC64_GOT_TLSGD16_LO	80 /* half16	(sym+add)@got@tlsgd@l */
#define R_PPC64_GOT_TLSGD16_HI	81 /* half16	(sym+add)@got@tlsgd@h */
#define R_PPC64_GOT_TLSGD16_HA	82 /* half16	(sym+add)@got@tlsgd@ha */
#define R_PPC64_GOT_TLSLD16	83 /* half16*	(sym+add)@got@tlsld */
#define R_PPC64_GOT_TLSLD16_LO	84 /* half16	(sym+add)@got@tlsld@l */
#define R_PPC64_GOT_TLSLD16_HI	85 /* half16	(sym+add)@got@tlsld@h */
#define R_PPC64_GOT_TLSLD16_HA	86 /* half16	(sym+add)@got@tlsld@ha */
#define R_PPC64_GOT_TPREL16_DS	87 /* half16ds*	(sym+add)@got@tprel */
#define R_PPC64_GOT_TPREL16_LO_DS 88 /* half16ds (sym+add)@got@tprel@l */
#define R_PPC64_GOT_TPREL16_HI	89 /* half16	(sym+add)@got@tprel@h */
#define R_PPC64_GOT_TPREL16_HA	90 /* half16	(sym+add)@got@tprel@ha */
#define R_PPC64_GOT_DTPREL16_DS	91 /* half16ds*	(sym+add)@got@dtprel */
#define R_PPC64_GOT_DTPREL16_LO_DS 92 /* half16ds (sym+add)@got@dtprel@l */
#define R_PPC64_GOT_DTPREL16_HI	93 /* half16	(sym+add)@got@dtprel@h */
#define R_PPC64_GOT_DTPREL16_HA	94 /* half16	(sym+add)@got@dtprel@ha */
#define R_PPC64_TPREL16_DS	95 /* half16ds*	(sym+add)@tprel */
#define R_PPC64_TPREL16_LO_DS	96 /* half16ds	(sym+add)@tprel@l */
#define R_PPC64_TPREL16_HIGHER	97 /* half16	(sym+add)@tprel@higher */
#define R_PPC64_TPREL16_HIGHERA	98 /* half16	(sym+add)@tprel@highera */
#define R_PPC64_TPREL16_HIGHEST	99 /* half16	(sym+add)@tprel@highest */
#define R_PPC64_TPREL16_HIGHESTA 100 /* half16	(sym+add)@tprel@highesta */
#define R_PPC64_DTPREL16_DS	101 /* half16ds* (sym+add)@dtprel */
#define R_PPC64_DTPREL16_LO_DS	102 /* half16ds	(sym+add)@dtprel@l */
#define R_PPC64_DTPREL16_HIGHER	103 /* half16	(sym+add)@dtprel@higher */
#define R_PPC64_DTPREL16_HIGHERA 104 /* half16	(sym+add)@dtprel@highera */
#define R_PPC64_DTPREL16_HIGHEST 105 /* half16	(sym+add)@dtprel@highest */
#define R_PPC64_DTPREL16_HIGHESTA 106 /* half16	(sym+add)@dtprel@highesta */

/* Keep this the last entry.  */
#define R_PPC64_NUM		107

/* There's actually a third entry here, but it's unused */
struct ppc64_opd_entry
{
	unsigned long funcaddr;
	unsigned long r2;
};


#endif /* _UAPI_ASM_POWERPC_ELF_H */