1#ifndef __ASMm68k_ELF_H 2#define __ASMm68k_ELF_H 3 4/* 5 * ELF register definitions.. 6 */ 7 8#include <linux/config.h> 9#include <asm/ptrace.h> 10#include <asm/user.h> 11 12typedef unsigned long elf_greg_t; 13 14#define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t)) 15typedef elf_greg_t elf_gregset_t[ELF_NGREG]; 16 17typedef struct user_m68kfp_struct elf_fpregset_t; 18 19/* 20 * This is used to ensure we don't load something for the wrong architecture. 21 */ 22#define elf_check_arch(x) ((x)->e_machine == EM_68K) 23 24/* 25 * These are used to set parameters in the core dumps. 26 */ 27#define ELF_CLASS ELFCLASS32 28#define ELF_DATA ELFDATA2MSB 29#define ELF_ARCH EM_68K 30 31/* For SVR4/m68k the function pointer to be registered with `atexit' is 32 passed in %a1. Although my copy of the ABI has no such statement, it 33 is actually used on ASV. */ 34#define ELF_PLAT_INIT(_r) _r->a1 = 0 35 36#define USE_ELF_CORE_DUMP 37#ifndef CONFIG_SUN3 38#define ELF_EXEC_PAGESIZE 4096 39#else 40#define ELF_EXEC_PAGESIZE 8192 41#endif 42 43/* This is the location that an ET_DYN program is loaded if exec'ed. Typical 44 use of this is to invoke "./ld.so someprog" to test out a new version of 45 the loader. We need to make sure that it is out of the way of the program 46 that it will "exec", and that there is sufficient room for the brk. */ 47 48#ifndef CONFIG_SUN3 49#define ELF_ET_DYN_BASE 0xD0000000UL 50#else 51#define ELF_ET_DYN_BASE 0x0D800000UL 52#endif 53 54#define ELF_CORE_COPY_REGS(pr_reg, regs) \ 55 /* Bleech. */ \ 56 pr_reg[0] = regs->d1; \ 57 pr_reg[1] = regs->d2; \ 58 pr_reg[2] = regs->d3; \ 59 pr_reg[3] = regs->d4; \ 60 pr_reg[4] = regs->d5; \ 61 pr_reg[7] = regs->a0; \ 62 pr_reg[8] = regs->a1; \ 63 pr_reg[9] = regs->a2; \ 64 pr_reg[14] = regs->d0; \ 65 pr_reg[15] = rdusp(); \ 66 pr_reg[16] = regs->orig_d0; \ 67 pr_reg[17] = regs->sr; \ 68 pr_reg[18] = regs->pc; \ 69 pr_reg[19] = (regs->format << 12) | regs->vector; \ 70 { \ 71 struct switch_stack *sw = ((struct switch_stack *)regs) - 1; \ 72 pr_reg[5] = sw->d6; \ 73 pr_reg[6] = sw->d7; \ 74 pr_reg[10] = sw->a3; \ 75 pr_reg[11] = sw->a4; \ 76 pr_reg[12] = sw->a5; \ 77 pr_reg[13] = sw->a6; \ 78 } 79 80/* This yields a mask that user programs can use to figure out what 81 instruction set this cpu supports. */ 82 83#define ELF_HWCAP (0) 84 85/* This yields a string that ld.so will use to load implementation 86 specific libraries for optimization. This is more specific in 87 intent than poking at uname or /proc/cpuinfo. */ 88 89#define ELF_PLATFORM (NULL) 90 91#ifdef __KERNEL__ 92#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX) 93#endif 94 95#endif 96