1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASMSPARC_ELF_H
3 #define __ASMSPARC_ELF_H
4
5 /*
6 * ELF register definitions..
7 */
8
9 #include <asm/ptrace.h>
10
11 /*
12 * Sparc section types
13 */
14 #define STT_REGISTER 13
15
16 /*
17 * Sparc ELF relocation types
18 */
19 #define R_SPARC_NONE 0
20 #define R_SPARC_8 1
21 #define R_SPARC_16 2
22 #define R_SPARC_32 3
23 #define R_SPARC_DISP8 4
24 #define R_SPARC_DISP16 5
25 #define R_SPARC_DISP32 6
26 #define R_SPARC_WDISP30 7
27 #define R_SPARC_WDISP22 8
28 #define R_SPARC_HI22 9
29 #define R_SPARC_22 10
30 #define R_SPARC_13 11
31 #define R_SPARC_LO10 12
32 #define R_SPARC_GOT10 13
33 #define R_SPARC_GOT13 14
34 #define R_SPARC_GOT22 15
35 #define R_SPARC_PC10 16
36 #define R_SPARC_PC22 17
37 #define R_SPARC_WPLT30 18
38 #define R_SPARC_COPY 19
39 #define R_SPARC_GLOB_DAT 20
40 #define R_SPARC_JMP_SLOT 21
41 #define R_SPARC_RELATIVE 22
42 #define R_SPARC_UA32 23
43 #define R_SPARC_PLT32 24
44 #define R_SPARC_HIPLT22 25
45 #define R_SPARC_LOPLT10 26
46 #define R_SPARC_PCPLT32 27
47 #define R_SPARC_PCPLT22 28
48 #define R_SPARC_PCPLT10 29
49 #define R_SPARC_10 30
50 #define R_SPARC_11 31
51 #define R_SPARC_64 32
52 #define R_SPARC_OLO10 33
53 #define R_SPARC_WDISP16 40
54 #define R_SPARC_WDISP19 41
55 #define R_SPARC_7 43
56 #define R_SPARC_5 44
57 #define R_SPARC_6 45
58
59 /* Bits present in AT_HWCAP, primarily for Sparc32. */
60
61 #define HWCAP_SPARC_FLUSH 1 /* CPU supports flush instruction. */
62 #define HWCAP_SPARC_STBAR 2
63 #define HWCAP_SPARC_SWAP 4
64 #define HWCAP_SPARC_MULDIV 8
65 #define HWCAP_SPARC_V9 16
66 #define HWCAP_SPARC_ULTRA3 32
67
68 #define CORE_DUMP_USE_REGSET
69
70 /* Format is:
71 * G0 --> G7
72 * O0 --> O7
73 * L0 --> L7
74 * I0 --> I7
75 * PSR, PC, nPC, Y, WIM, TBR
76 */
77 typedef unsigned long elf_greg_t;
78 #define ELF_NGREG 38
79 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
80
81 typedef struct {
82 union {
83 unsigned long pr_regs[32];
84 double pr_dregs[16];
85 } pr_fr;
86 unsigned long __unused;
87 unsigned long pr_fsr;
88 unsigned char pr_qcnt;
89 unsigned char pr_q_entrysize;
90 unsigned char pr_en;
91 unsigned int pr_q[64];
92 } elf_fpregset_t;
93
94 #include <asm/mbus.h>
95
96 /*
97 * This is used to ensure we don't load something for the wrong architecture.
98 */
99 #define elf_check_arch(x) ((x)->e_machine == EM_SPARC)
100
101 /*
102 * These are used to set parameters in the core dumps.
103 */
104 #define ELF_ARCH EM_SPARC
105 #define ELF_CLASS ELFCLASS32
106 #define ELF_DATA ELFDATA2MSB
107
108 #define ELF_EXEC_PAGESIZE 4096
109
110
111 /* This is the location that an ET_DYN program is loaded if exec'ed. Typical
112 use of this is to invoke "./ld.so someprog" to test out a new version of
113 the loader. We need to make sure that it is out of the way of the program
114 that it will "exec", and that there is sufficient room for the brk. */
115
116 #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE)
117
118 /* This yields a mask that user programs can use to figure out what
119 instruction set this cpu supports. This can NOT be done in userspace
120 on Sparc. */
121
122 /* Most sun4m's have them all. */
123 #define ELF_HWCAP (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \
124 HWCAP_SPARC_SWAP | HWCAP_SPARC_MULDIV)
125
126 /* This yields a string that ld.so will use to load implementation
127 specific libraries for optimization. This is more specific in
128 intent than poking at uname or /proc/cpuinfo. */
129
130 #define ELF_PLATFORM (NULL)
131
132 #endif /* !(__ASMSPARC_ELF_H) */
133
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