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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* $Id: elf.h,v 1.22 2000/07/12 01:27:08 davem Exp $ */
2#ifndef __ASMSPARC_ELF_H
3#define __ASMSPARC_ELF_H
4
5/*
6 * ELF register definitions..
7 */
8
Linus Torvalds1da177e2005-04-16 15:20:36 -07009#include <asm/ptrace.h>
10
Linus Torvalds1da177e2005-04-16 15:20:36 -070011/*
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/* For the most part we present code dumps in the format
69 * Solaris does.
70 */
71typedef unsigned long elf_greg_t;
72#define ELF_NGREG 38
73typedef elf_greg_t elf_gregset_t[ELF_NGREG];
74
David Woodhouse6cf431d2006-10-20 00:29:33 -070075typedef struct {
76 union {
77 unsigned long pr_regs[32];
78 double pr_dregs[16];
79 } pr_fr;
80 unsigned long __unused;
81 unsigned long pr_fsr;
82 unsigned char pr_qcnt;
83 unsigned char pr_q_entrysize;
84 unsigned char pr_en;
85 unsigned int pr_q[64];
86} elf_fpregset_t;
87
88#ifdef __KERNEL__
89#include <asm/mbus.h>
90#include <asm/uaccess.h>
91
Linus Torvalds1da177e2005-04-16 15:20:36 -070092/* Format is:
93 * G0 --> G7
94 * O0 --> O7
95 * L0 --> L7
96 * I0 --> I7
97 * PSR, PC, nPC, Y, WIM, TBR
98 */
99#define ELF_CORE_COPY_REGS(__elf_regs, __pt_regs) \
100do { unsigned long *dest = &(__elf_regs[0]); \
101 struct pt_regs *src = (__pt_regs); \
102 unsigned long __user *sp; \
103 memcpy(&dest[0], &src->u_regs[0], \
104 sizeof(unsigned long) * 16); \
105 /* Don't try this at home kids... */ \
106 sp = (unsigned long __user *) src->u_regs[14]; \
107 copy_from_user(&dest[16], sp, \
108 sizeof(unsigned long) * 16); \
109 dest[32] = src->psr; \
110 dest[33] = src->pc; \
111 dest[34] = src->npc; \
112 dest[35] = src->y; \
113 dest[36] = dest[37] = 0; /* XXX */ \
David Woodhouse6cf431d2006-10-20 00:29:33 -0700114} while(0); /* Janitors: Don't touch this semicolon. */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115
116#define ELF_CORE_COPY_TASK_REGS(__tsk, __elf_regs) \
117 ({ ELF_CORE_COPY_REGS((*(__elf_regs)), (__tsk)->thread.kregs); 1; })
118
119/*
120 * This is used to ensure we don't load something for the wrong architecture.
121 */
122#define elf_check_arch(x) ((x)->e_machine == EM_SPARC)
123
124/*
125 * These are used to set parameters in the core dumps.
126 */
127#define ELF_ARCH EM_SPARC
128#define ELF_CLASS ELFCLASS32
129#define ELF_DATA ELFDATA2MSB
130
131#define USE_ELF_CORE_DUMP
132#ifndef CONFIG_SUN4
133#define ELF_EXEC_PAGESIZE 4096
134#else
135#define ELF_EXEC_PAGESIZE 8192
136#endif
137
138
139/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
140 use of this is to invoke "./ld.so someprog" to test out a new version of
141 the loader. We need to make sure that it is out of the way of the program
142 that it will "exec", and that there is sufficient room for the brk. */
143
144#define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE)
145
146/* This yields a mask that user programs can use to figure out what
147 instruction set this cpu supports. This can NOT be done in userspace
148 on Sparc. */
149
150/* Sun4c has none of the capabilities, most sun4m's have them all.
151 * XXX This is gross, set some global variable at boot time. -DaveM
152 */
153#define ELF_HWCAP ((ARCH_SUN4C_SUN4) ? 0 : \
154 (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \
155 HWCAP_SPARC_SWAP | \
156 ((srmmu_modtype != Cypress && \
157 srmmu_modtype != Cypress_vE && \
158 srmmu_modtype != Cypress_vD) ? \
159 HWCAP_SPARC_MULDIV : 0)))
160
161/* This yields a string that ld.so will use to load implementation
162 specific libraries for optimization. This is more specific in
163 intent than poking at uname or /proc/cpuinfo. */
164
165#define ELF_PLATFORM (NULL)
166
Linus Torvalds1da177e2005-04-16 15:20:36 -0700167#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX)
David Woodhouse6cf431d2006-10-20 00:29:33 -0700168
169#endif /* __KERNEL__ */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700170
171#endif /* !(__ASMSPARC_ELF_H) */