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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
David S. Miller5a4924d2008-02-07 04:36:02 -080068#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
Linus Torvalds1da177e2005-04-16 15:20:36 -070076 */
77typedef unsigned long elf_greg_t;
78#define ELF_NGREG 38
79typedef elf_greg_t elf_gregset_t[ELF_NGREG];
80
David Woodhouse6cf431d2006-10-20 00:29:33 -070081typedef 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
David Woodhouse6cf431d2006-10-20 00:29:33 -070094#include <asm/mbus.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070095
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 USE_ELF_CORE_DUMP
109#ifndef CONFIG_SUN4
110#define ELF_EXEC_PAGESIZE 4096
111#else
112#define ELF_EXEC_PAGESIZE 8192
113#endif
114
115
116/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
117 use of this is to invoke "./ld.so someprog" to test out a new version of
118 the loader. We need to make sure that it is out of the way of the program
119 that it will "exec", and that there is sufficient room for the brk. */
120
121#define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE)
122
123/* This yields a mask that user programs can use to figure out what
124 instruction set this cpu supports. This can NOT be done in userspace
125 on Sparc. */
126
127/* Sun4c has none of the capabilities, most sun4m's have them all.
128 * XXX This is gross, set some global variable at boot time. -DaveM
129 */
130#define ELF_HWCAP ((ARCH_SUN4C_SUN4) ? 0 : \
131 (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \
132 HWCAP_SPARC_SWAP | \
133 ((srmmu_modtype != Cypress && \
134 srmmu_modtype != Cypress_vE && \
135 srmmu_modtype != Cypress_vD) ? \
136 HWCAP_SPARC_MULDIV : 0)))
137
138/* This yields a string that ld.so will use to load implementation
139 specific libraries for optimization. This is more specific in
140 intent than poking at uname or /proc/cpuinfo. */
141
142#define ELF_PLATFORM (NULL)
143
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX)
David Woodhouse6cf431d2006-10-20 00:29:33 -0700145
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146#endif /* !(__ASMSPARC_ELF_H) */