1/* $Id: elf.h,v 1.1.1.1 2007/08/03 18:53:36 Exp $ */ 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/* 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 75typedef 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 92/* 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; \ 114} while(0); /* Janitors: Don't touch this semicolon. */ 115 116#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#define ELF_HWCAP ((ARCH_SUN4C_SUN4) ? 0 : \ 151 (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \ 152 HWCAP_SPARC_SWAP | \ 153 ((srmmu_modtype != Cypress && \ 154 srmmu_modtype != Cypress_vE && \ 155 srmmu_modtype != Cypress_vD) ? \ 156 HWCAP_SPARC_MULDIV : 0))) 157 158/* This yields a string that ld.so will use to load implementation 159 specific libraries for optimization. This is more specific in 160 intent than poking at uname or /proc/cpuinfo. */ 161 162#define ELF_PLATFORM (NULL) 163 164#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX) 165 166#endif /* __KERNEL__ */ 167 168#endif /* !(__ASMSPARC_ELF_H) */ 169