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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 <linux/config.h>
10 #include <asm/ptrace.h>
14 #include <asm/uaccess.h>
20 #define STT_REGISTER 13
23 * Sparc ELF relocation types
25 #define R_SPARC_NONE 0
29 #define R_SPARC_DISP8 4
30 #define R_SPARC_DISP16 5
31 #define R_SPARC_DISP32 6
32 #define R_SPARC_WDISP30 7
33 #define R_SPARC_WDISP22 8
34 #define R_SPARC_HI22 9
37 #define R_SPARC_LO10 12
38 #define R_SPARC_GOT10 13
39 #define R_SPARC_GOT13 14
40 #define R_SPARC_GOT22 15
41 #define R_SPARC_PC10 16
42 #define R_SPARC_PC22 17
43 #define R_SPARC_WPLT30 18
44 #define R_SPARC_COPY 19
45 #define R_SPARC_GLOB_DAT 20
46 #define R_SPARC_JMP_SLOT 21
47 #define R_SPARC_RELATIVE 22
48 #define R_SPARC_UA32 23
49 #define R_SPARC_PLT32 24
50 #define R_SPARC_HIPLT22 25
51 #define R_SPARC_LOPLT10 26
52 #define R_SPARC_PCPLT32 27
53 #define R_SPARC_PCPLT22 28
54 #define R_SPARC_PCPLT10 29
58 #define R_SPARC_OLO10 33
59 #define R_SPARC_WDISP16 40
60 #define R_SPARC_WDISP19 41
65 /* Bits present in AT_HWCAP, primarily for Sparc32. */
67 #define HWCAP_SPARC_FLUSH 1 /* CPU supports flush instruction. */
68 #define HWCAP_SPARC_STBAR 2
69 #define HWCAP_SPARC_SWAP 4
70 #define HWCAP_SPARC_MULDIV 8
71 #define HWCAP_SPARC_V9 16
72 #define HWCAP_SPARC_ULTRA3 32
74 /* For the most part we present code dumps in the format
77 typedef unsigned long elf_greg_t
;
79 typedef elf_greg_t elf_gregset_t
[ELF_NGREG
];
86 * PSR, PC, nPC, Y, WIM, TBR
88 #define ELF_CORE_COPY_REGS(__elf_regs, __pt_regs) \
89 do { unsigned long *dest = &(__elf_regs[0]); \
90 struct pt_regs *src = (__pt_regs); \
91 unsigned long __user *sp; \
92 memcpy(&dest[0], &src->u_regs[0], \
93 sizeof(unsigned long) * 16); \
94 /* Don't try this at home kids... */ \
95 sp = (unsigned long __user *) src->u_regs[14]; \
96 copy_from_user(&dest[16], sp, \
97 sizeof(unsigned long) * 16); \
98 dest[32] = src->psr; \
100 dest[34] = src->npc; \
102 dest[36] = dest[37] = 0; /* XXX */ \
103 } while(0); /* Janitors: Don't touch this colon. */
107 unsigned long pr_regs
[32];
110 unsigned long __unused
;
111 unsigned long pr_fsr
;
112 unsigned char pr_qcnt
;
113 unsigned char pr_q_entrysize
;
115 unsigned int pr_q
[64];
118 #define ELF_CORE_COPY_TASK_REGS(__tsk, __elf_regs) \
119 ({ ELF_CORE_COPY_REGS((*(__elf_regs)), (__tsk)->thread.kregs); 1; })
122 * This is used to ensure we don't load something for the wrong architecture.
124 #define elf_check_arch(x) ((x)->e_machine == EM_SPARC)
127 * These are used to set parameters in the core dumps.
129 #define ELF_ARCH EM_SPARC
130 #define ELF_CLASS ELFCLASS32
131 #define ELF_DATA ELFDATA2MSB
133 #define USE_ELF_CORE_DUMP
135 #define ELF_EXEC_PAGESIZE 4096
137 #define ELF_EXEC_PAGESIZE 8192
141 /* This is the location that an ET_DYN program is loaded if exec'ed. Typical
142 use of this is to invoke "./ld.so someprog" to test out a new version of
143 the loader. We need to make sure that it is out of the way of the program
144 that it will "exec", and that there is sufficient room for the brk. */
146 #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE)
148 /* This yields a mask that user programs can use to figure out what
149 instruction set this cpu supports. This can NOT be done in userspace
152 /* Sun4c has none of the capabilities, most sun4m's have them all.
153 * XXX This is gross, set some global variable at boot time. -DaveM
155 #define ELF_HWCAP ((ARCH_SUN4C_SUN4) ? 0 : \
156 (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \
158 ((srmmu_modtype != Cypress && \
159 srmmu_modtype != Cypress_vE && \
160 srmmu_modtype != Cypress_vD) ? \
161 HWCAP_SPARC_MULDIV : 0)))
163 /* This yields a string that ld.so will use to load implementation
164 specific libraries for optimization. This is more specific in
165 intent than poking at uname or /proc/cpuinfo. */
167 #define ELF_PLATFORM (NULL)
170 #define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX)
173 #endif /* !(__ASMSPARC_ELF_H) */