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1 /* $Id: elf.h,v 1.22 2000/07/12 01:27:08 davem Exp $ */
2 #ifndef __ASMSPARC_ELF_H
3 #define __ASMSPARC_ELF_H
6 * ELF register definitions..
9 #include <asm/ptrace.h>
14 #define STT_REGISTER 13
17 * Sparc ELF relocation types
19 #define R_SPARC_NONE 0
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
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
52 #define R_SPARC_OLO10 33
53 #define R_SPARC_WDISP16 40
54 #define R_SPARC_WDISP19 41
59 /* Bits present in AT_HWCAP, primarily for Sparc32. */
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
68 /* For the most part we present code dumps in the format
71 typedef unsigned long elf_greg_t
;
73 typedef elf_greg_t elf_gregset_t
[ELF_NGREG
];
77 unsigned long pr_regs
[32];
80 unsigned long __unused
;
82 unsigned char pr_qcnt
;
83 unsigned char pr_q_entrysize
;
85 unsigned int pr_q
[64];
89 #include <asm/uaccess.h>
96 * PSR, PC, nPC, Y, WIM, TBR
98 #define ELF_CORE_COPY_REGS(__elf_regs, __pt_regs) \
99 do { unsigned long *dest = &(__elf_regs[0]); \
100 struct pt_regs *src = (__pt_regs); \
101 unsigned long __user *sp; \
102 memcpy(&dest[0], &src->u_regs[0], \
103 sizeof(unsigned long) * 16); \
104 /* Don't try this at home kids... */ \
105 sp = (unsigned long __user *) src->u_regs[14]; \
106 copy_from_user(&dest[16], sp, \
107 sizeof(unsigned long) * 16); \
108 dest[32] = src->psr; \
109 dest[33] = src->pc; \
110 dest[34] = src->npc; \
112 dest[36] = dest[37] = 0; /* XXX */ \
113 } while(0); /* Janitors: Don't touch this semicolon. */
115 #define ELF_CORE_COPY_TASK_REGS(__tsk, __elf_regs) \
116 ({ ELF_CORE_COPY_REGS((*(__elf_regs)), (__tsk)->thread.kregs); 1; })
119 * This is used to ensure we don't load something for the wrong architecture.
121 #define elf_check_arch(x) ((x)->e_machine == EM_SPARC)
124 * These are used to set parameters in the core dumps.
126 #define ELF_ARCH EM_SPARC
127 #define ELF_CLASS ELFCLASS32
128 #define ELF_DATA ELFDATA2MSB
130 #define USE_ELF_CORE_DUMP
132 #define ELF_EXEC_PAGESIZE 4096
134 #define ELF_EXEC_PAGESIZE 8192
138 /* This is the location that an ET_DYN program is loaded if exec'ed. Typical
139 use of this is to invoke "./ld.so someprog" to test out a new version of
140 the loader. We need to make sure that it is out of the way of the program
141 that it will "exec", and that there is sufficient room for the brk. */
143 #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE)
145 /* This yields a mask that user programs can use to figure out what
146 instruction set this cpu supports. This can NOT be done in userspace
149 /* Sun4c has none of the capabilities, most sun4m's have them all.
150 * XXX This is gross, set some global variable at boot time. -DaveM
152 #define ELF_HWCAP ((ARCH_SUN4C_SUN4) ? 0 : \
153 (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \
155 ((srmmu_modtype != Cypress && \
156 srmmu_modtype != Cypress_vE && \
157 srmmu_modtype != Cypress_vD) ? \
158 HWCAP_SPARC_MULDIV : 0)))
160 /* This yields a string that ld.so will use to load implementation
161 specific libraries for optimization. This is more specific in
162 intent than poking at uname or /proc/cpuinfo. */
164 #define ELF_PLATFORM (NULL)
166 #define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX)
168 #endif /* !(__ASMSPARC_ELF_H) */