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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __ASM_SPARC64_ELF_H
3#define __ASM_SPARC64_ELF_H
4
5/*
6 * ELF register definitions..
7 */
8
9#include <asm/ptrace.h>
10#include <asm/processor.h>
11#include <asm/extable_64.h>
12#include <asm/spitfire.h>
13#include <asm/adi.h>
14
15/*
16 * Sparc section types
17 */
18#define STT_REGISTER 13
19
20/*
21 * Sparc ELF relocation types
22 */
23#define R_SPARC_NONE 0
24#define R_SPARC_8 1
25#define R_SPARC_16 2
26#define R_SPARC_32 3
27#define R_SPARC_DISP8 4
28#define R_SPARC_DISP16 5
29#define R_SPARC_DISP32 6
30#define R_SPARC_WDISP30 7
31#define R_SPARC_WDISP22 8
32#define R_SPARC_HI22 9
33#define R_SPARC_22 10
34#define R_SPARC_13 11
35#define R_SPARC_LO10 12
36#define R_SPARC_GOT10 13
37#define R_SPARC_GOT13 14
38#define R_SPARC_GOT22 15
39#define R_SPARC_PC10 16
40#define R_SPARC_PC22 17
41#define R_SPARC_WPLT30 18
42#define R_SPARC_COPY 19
43#define R_SPARC_GLOB_DAT 20
44#define R_SPARC_JMP_SLOT 21
45#define R_SPARC_RELATIVE 22
46#define R_SPARC_UA32 23
47#define R_SPARC_PLT32 24
48#define R_SPARC_HIPLT22 25
49#define R_SPARC_LOPLT10 26
50#define R_SPARC_PCPLT32 27
51#define R_SPARC_PCPLT22 28
52#define R_SPARC_PCPLT10 29
53#define R_SPARC_10 30
54#define R_SPARC_11 31
55#define R_SPARC_64 32
56#define R_SPARC_OLO10 33
57#define R_SPARC_WDISP16 40
58#define R_SPARC_WDISP19 41
59#define R_SPARC_7 43
60#define R_SPARC_5 44
61#define R_SPARC_6 45
62
63/* Bits present in AT_HWCAP, primarily for Sparc32. */
64#define HWCAP_SPARC_FLUSH 0x00000001
65#define HWCAP_SPARC_STBAR 0x00000002
66#define HWCAP_SPARC_SWAP 0x00000004
67#define HWCAP_SPARC_MULDIV 0x00000008
68#define HWCAP_SPARC_V9 0x00000010
69#define HWCAP_SPARC_ULTRA3 0x00000020
70#define HWCAP_SPARC_BLKINIT 0x00000040
71#define HWCAP_SPARC_N2 0x00000080
72
73/* Solaris compatible AT_HWCAP bits. */
74#define AV_SPARC_MUL32 0x00000100 /* 32x32 multiply is efficient */
75#define AV_SPARC_DIV32 0x00000200 /* 32x32 divide is efficient */
76#define AV_SPARC_FSMULD 0x00000400 /* 'fsmuld' is efficient */
77#define AV_SPARC_V8PLUS 0x00000800 /* v9 insn available to 32bit */
78#define AV_SPARC_POPC 0x00001000 /* 'popc' is efficient */
79#define AV_SPARC_VIS 0x00002000 /* VIS insns available */
80#define AV_SPARC_VIS2 0x00004000 /* VIS2 insns available */
81#define AV_SPARC_ASI_BLK_INIT 0x00008000 /* block init ASIs available */
82#define AV_SPARC_FMAF 0x00010000 /* fused multiply-add */
83#define AV_SPARC_VIS3 0x00020000 /* VIS3 insns available */
84#define AV_SPARC_HPC 0x00040000 /* HPC insns available */
85#define AV_SPARC_RANDOM 0x00080000 /* 'random' insn available */
86#define AV_SPARC_TRANS 0x00100000 /* transaction insns available */
87#define AV_SPARC_FJFMAU 0x00200000 /* unfused multiply-add */
88#define AV_SPARC_IMA 0x00400000 /* integer multiply-add */
89#define AV_SPARC_ASI_CACHE_SPARING \
90 0x00800000 /* cache sparing ASIs available */
91#define AV_SPARC_PAUSE 0x01000000 /* PAUSE available */
92#define AV_SPARC_CBCOND 0x02000000 /* CBCOND insns available */
93
94/* Solaris decided to enumerate every single crypto instruction type
95 * in the AT_HWCAP bits. This is wasteful, since if crypto is present,
96 * you still need to look in the CFR register to see if the opcode is
97 * really available. So we simply advertise only "crypto" support.
98 */
99#define HWCAP_SPARC_CRYPTO 0x04000000 /* CRYPTO insns available */
100#define HWCAP_SPARC_ADI 0x08000000 /* ADI available */
101
102#define CORE_DUMP_USE_REGSET
103
104/*
105 * These are used to set parameters in the core dumps.
106 */
107#define ELF_ARCH EM_SPARCV9
108#define ELF_CLASS ELFCLASS64
109#define ELF_DATA ELFDATA2MSB
110
111/* Format of 64-bit elf_gregset_t is:
112 * G0 --> G7
113 * O0 --> O7
114 * L0 --> L7
115 * I0 --> I7
116 * TSTATE
117 * TPC
118 * TNPC
119 * Y
120 */
121typedef unsigned long elf_greg_t;
122#define ELF_NGREG 36
123typedef elf_greg_t elf_gregset_t[ELF_NGREG];
124
125typedef struct {
126 unsigned long pr_regs[32];
127 unsigned long pr_fsr;
128 unsigned long pr_gsr;
129 unsigned long pr_fprs;
130} elf_fpregset_t;
131
132/* Format of 32-bit elf_gregset_t is:
133 * G0 --> G7
134 * O0 --> O7
135 * L0 --> L7
136 * I0 --> I7
137 * PSR, PC, nPC, Y, WIM, TBR
138 */
139typedef unsigned int compat_elf_greg_t;
140#define COMPAT_ELF_NGREG 38
141typedef compat_elf_greg_t compat_elf_gregset_t[COMPAT_ELF_NGREG];
142
143typedef struct {
144 union {
145 unsigned int pr_regs[32];
146 unsigned long pr_dregs[16];
147 } pr_fr;
148 unsigned int __unused;
149 unsigned int pr_fsr;
150 unsigned char pr_qcnt;
151 unsigned char pr_q_entrysize;
152 unsigned char pr_en;
153 unsigned int pr_q[64];
154} compat_elf_fpregset_t;
155
156/* UltraSparc extensions. Still unused, but will be eventually. */
157typedef struct {
158 unsigned int pr_type;
159 unsigned int pr_align;
160 union {
161 struct {
162 union {
163 unsigned int pr_regs[32];
164 unsigned long pr_dregs[16];
165 long double pr_qregs[8];
166 } pr_xfr;
167 } pr_v8p;
168 unsigned int pr_xfsr;
169 unsigned int pr_fprs;
170 unsigned int pr_xg[8];
171 unsigned int pr_xo[8];
172 unsigned long pr_tstate;
173 unsigned int pr_filler[8];
174 } pr_un;
175} elf_xregset_t;
176
177/*
178 * This is used to ensure we don't load something for the wrong architecture.
179 */
180#define elf_check_arch(x) ((x)->e_machine == ELF_ARCH)
181#define compat_elf_check_arch(x) ((x)->e_machine == EM_SPARC || \
182 (x)->e_machine == EM_SPARC32PLUS)
183#define compat_start_thread start_thread32
184
185#define ELF_EXEC_PAGESIZE PAGE_SIZE
186
187/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
188 use of this is to invoke "./ld.so someprog" to test out a new version of
189 the loader. We need to make sure that it is out of the way of the program
190 that it will "exec", and that there is sufficient room for the brk. */
191
192#define ELF_ET_DYN_BASE 0x0000010000000000UL
193#define COMPAT_ELF_ET_DYN_BASE 0x0000000070000000UL
194
195extern unsigned long sparc64_elf_hwcap;
196#define ELF_HWCAP sparc64_elf_hwcap
197
198/* This yields a string that ld.so will use to load implementation
199 specific libraries for optimization. This is more specific in
200 intent than poking at uname or /proc/cpuinfo. */
201
202#define ELF_PLATFORM (NULL)
203
204#define SET_PERSONALITY(ex) \
205do { if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \
206 set_thread_flag(TIF_32BIT); \
207 else \
208 clear_thread_flag(TIF_32BIT); \
209 /* flush_thread will update pgd cache */ \
210 if (personality(current->personality) != PER_LINUX32) \
211 set_personality(PER_LINUX | \
212 (current->personality & (~PER_MASK))); \
213} while (0)
214
215extern unsigned int vdso_enabled;
216
217#define ARCH_DLINFO \
218do { \
219 extern struct adi_config adi_state; \
220 if (vdso_enabled) \
221 NEW_AUX_ENT(AT_SYSINFO_EHDR, \
222 (unsigned long)current->mm->context.vdso); \
223 NEW_AUX_ENT(AT_ADI_BLKSZ, adi_state.caps.blksz); \
224 NEW_AUX_ENT(AT_ADI_NBITS, adi_state.caps.nbits); \
225 NEW_AUX_ENT(AT_ADI_UEONADI, adi_state.caps.ue_on_adi); \
226} while (0)
227
228struct linux_binprm;
229
230#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
231extern int arch_setup_additional_pages(struct linux_binprm *bprm,
232 int uses_interp);
233#endif /* !(__ASM_SPARC64_ELF_H) */
1#ifndef __ASM_SPARC64_ELF_H
2#define __ASM_SPARC64_ELF_H
3
4/*
5 * ELF register definitions..
6 */
7
8#include <asm/ptrace.h>
9#include <asm/processor.h>
10#include <asm/uaccess.h>
11#include <asm/spitfire.h>
12
13/*
14 * Sparc section types
15 */
16#define STT_REGISTER 13
17
18/*
19 * Sparc ELF relocation types
20 */
21#define R_SPARC_NONE 0
22#define R_SPARC_8 1
23#define R_SPARC_16 2
24#define R_SPARC_32 3
25#define R_SPARC_DISP8 4
26#define R_SPARC_DISP16 5
27#define R_SPARC_DISP32 6
28#define R_SPARC_WDISP30 7
29#define R_SPARC_WDISP22 8
30#define R_SPARC_HI22 9
31#define R_SPARC_22 10
32#define R_SPARC_13 11
33#define R_SPARC_LO10 12
34#define R_SPARC_GOT10 13
35#define R_SPARC_GOT13 14
36#define R_SPARC_GOT22 15
37#define R_SPARC_PC10 16
38#define R_SPARC_PC22 17
39#define R_SPARC_WPLT30 18
40#define R_SPARC_COPY 19
41#define R_SPARC_GLOB_DAT 20
42#define R_SPARC_JMP_SLOT 21
43#define R_SPARC_RELATIVE 22
44#define R_SPARC_UA32 23
45#define R_SPARC_PLT32 24
46#define R_SPARC_HIPLT22 25
47#define R_SPARC_LOPLT10 26
48#define R_SPARC_PCPLT32 27
49#define R_SPARC_PCPLT22 28
50#define R_SPARC_PCPLT10 29
51#define R_SPARC_10 30
52#define R_SPARC_11 31
53#define R_SPARC_64 32
54#define R_SPARC_OLO10 33
55#define R_SPARC_WDISP16 40
56#define R_SPARC_WDISP19 41
57#define R_SPARC_7 43
58#define R_SPARC_5 44
59#define R_SPARC_6 45
60
61/* Bits present in AT_HWCAP, primarily for Sparc32. */
62#define HWCAP_SPARC_FLUSH 0x00000001
63#define HWCAP_SPARC_STBAR 0x00000002
64#define HWCAP_SPARC_SWAP 0x00000004
65#define HWCAP_SPARC_MULDIV 0x00000008
66#define HWCAP_SPARC_V9 0x00000010
67#define HWCAP_SPARC_ULTRA3 0x00000020
68#define HWCAP_SPARC_BLKINIT 0x00000040
69#define HWCAP_SPARC_N2 0x00000080
70
71/* Solaris compatible AT_HWCAP bits. */
72#define AV_SPARC_MUL32 0x00000100 /* 32x32 multiply is efficient */
73#define AV_SPARC_DIV32 0x00000200 /* 32x32 divide is efficient */
74#define AV_SPARC_FSMULD 0x00000400 /* 'fsmuld' is efficient */
75#define AV_SPARC_V8PLUS 0x00000800 /* v9 insn available to 32bit */
76#define AV_SPARC_POPC 0x00001000 /* 'popc' is efficient */
77#define AV_SPARC_VIS 0x00002000 /* VIS insns available */
78#define AV_SPARC_VIS2 0x00004000 /* VIS2 insns available */
79#define AV_SPARC_ASI_BLK_INIT 0x00008000 /* block init ASIs available */
80#define AV_SPARC_FMAF 0x00010000 /* fused multiply-add */
81#define AV_SPARC_VIS3 0x00020000 /* VIS3 insns available */
82#define AV_SPARC_HPC 0x00040000 /* HPC insns available */
83#define AV_SPARC_RANDOM 0x00080000 /* 'random' insn available */
84#define AV_SPARC_TRANS 0x00100000 /* transaction insns available */
85#define AV_SPARC_FJFMAU 0x00200000 /* unfused multiply-add */
86#define AV_SPARC_IMA 0x00400000 /* integer multiply-add */
87#define AV_SPARC_ASI_CACHE_SPARING \
88 0x00800000 /* cache sparing ASIs available */
89#define AV_SPARC_PAUSE 0x01000000 /* PAUSE available */
90#define AV_SPARC_CBCOND 0x02000000 /* CBCOND insns available */
91
92/* Solaris decided to enumerate every single crypto instruction type
93 * in the AT_HWCAP bits. This is wasteful, since if crypto is present,
94 * you still need to look in the CFR register to see if the opcode is
95 * really available. So we simply advertise only "crypto" support.
96 */
97#define HWCAP_SPARC_CRYPTO 0x04000000 /* CRYPTO insns available */
98
99#define CORE_DUMP_USE_REGSET
100
101/*
102 * These are used to set parameters in the core dumps.
103 */
104#define ELF_ARCH EM_SPARCV9
105#define ELF_CLASS ELFCLASS64
106#define ELF_DATA ELFDATA2MSB
107
108/* Format of 64-bit elf_gregset_t is:
109 * G0 --> G7
110 * O0 --> O7
111 * L0 --> L7
112 * I0 --> I7
113 * TSTATE
114 * TPC
115 * TNPC
116 * Y
117 */
118typedef unsigned long elf_greg_t;
119#define ELF_NGREG 36
120typedef elf_greg_t elf_gregset_t[ELF_NGREG];
121
122typedef struct {
123 unsigned long pr_regs[32];
124 unsigned long pr_fsr;
125 unsigned long pr_gsr;
126 unsigned long pr_fprs;
127} elf_fpregset_t;
128
129/* Format of 32-bit elf_gregset_t is:
130 * G0 --> G7
131 * O0 --> O7
132 * L0 --> L7
133 * I0 --> I7
134 * PSR, PC, nPC, Y, WIM, TBR
135 */
136typedef unsigned int compat_elf_greg_t;
137#define COMPAT_ELF_NGREG 38
138typedef compat_elf_greg_t compat_elf_gregset_t[COMPAT_ELF_NGREG];
139
140typedef struct {
141 union {
142 unsigned int pr_regs[32];
143 unsigned long pr_dregs[16];
144 } pr_fr;
145 unsigned int __unused;
146 unsigned int pr_fsr;
147 unsigned char pr_qcnt;
148 unsigned char pr_q_entrysize;
149 unsigned char pr_en;
150 unsigned int pr_q[64];
151} compat_elf_fpregset_t;
152
153/* UltraSparc extensions. Still unused, but will be eventually. */
154typedef struct {
155 unsigned int pr_type;
156 unsigned int pr_align;
157 union {
158 struct {
159 union {
160 unsigned int pr_regs[32];
161 unsigned long pr_dregs[16];
162 long double pr_qregs[8];
163 } pr_xfr;
164 } pr_v8p;
165 unsigned int pr_xfsr;
166 unsigned int pr_fprs;
167 unsigned int pr_xg[8];
168 unsigned int pr_xo[8];
169 unsigned long pr_tstate;
170 unsigned int pr_filler[8];
171 } pr_un;
172} elf_xregset_t;
173
174/*
175 * This is used to ensure we don't load something for the wrong architecture.
176 */
177#define elf_check_arch(x) ((x)->e_machine == ELF_ARCH)
178#define compat_elf_check_arch(x) ((x)->e_machine == EM_SPARC || \
179 (x)->e_machine == EM_SPARC32PLUS)
180#define compat_start_thread start_thread32
181
182#define ELF_EXEC_PAGESIZE PAGE_SIZE
183
184/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
185 use of this is to invoke "./ld.so someprog" to test out a new version of
186 the loader. We need to make sure that it is out of the way of the program
187 that it will "exec", and that there is sufficient room for the brk. */
188
189#define ELF_ET_DYN_BASE 0x0000010000000000UL
190#define COMPAT_ELF_ET_DYN_BASE 0x0000000070000000UL
191
192extern unsigned long sparc64_elf_hwcap;
193#define ELF_HWCAP sparc64_elf_hwcap
194
195/* This yields a string that ld.so will use to load implementation
196 specific libraries for optimization. This is more specific in
197 intent than poking at uname or /proc/cpuinfo. */
198
199#define ELF_PLATFORM (NULL)
200
201#define SET_PERSONALITY(ex) \
202do { if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \
203 set_thread_flag(TIF_32BIT); \
204 else \
205 clear_thread_flag(TIF_32BIT); \
206 /* flush_thread will update pgd cache */ \
207 if (personality(current->personality) != PER_LINUX32) \
208 set_personality(PER_LINUX | \
209 (current->personality & (~PER_MASK))); \
210} while (0)
211
212#endif /* !(__ASM_SPARC64_ELF_H) */