GuanXuetao | 87c1a3f | 2011-01-15 18:13:50 +0800 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/unicore32/include/asm/elf.h |
| 3 | * |
| 4 | * Code specific to PKUnity SoC and UniCore ISA |
| 5 | * |
| 6 | * Copyright (C) 2001-2010 GUAN Xue-tao |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
| 13 | #ifndef __UNICORE_ELF_H__ |
| 14 | #define __UNICORE_ELF_H__ |
| 15 | |
| 16 | #include <asm/hwcap.h> |
| 17 | |
| 18 | /* |
| 19 | * ELF register definitions.. |
| 20 | */ |
| 21 | #include <asm/ptrace.h> |
| 22 | |
| 23 | typedef unsigned long elf_greg_t; |
| 24 | typedef unsigned long elf_freg_t[3]; |
| 25 | |
| 26 | #define ELF_NGREG (sizeof(struct pt_regs) / sizeof(elf_greg_t)) |
| 27 | typedef elf_greg_t elf_gregset_t[ELF_NGREG]; |
| 28 | |
| 29 | typedef struct fp_state elf_fpregset_t; |
| 30 | |
| 31 | #define EM_UNICORE 110 |
| 32 | |
| 33 | #define R_UNICORE_NONE 0 |
| 34 | #define R_UNICORE_PC24 1 |
| 35 | #define R_UNICORE_ABS32 2 |
| 36 | #define R_UNICORE_CALL 28 |
| 37 | #define R_UNICORE_JUMP24 29 |
| 38 | |
| 39 | /* |
| 40 | * These are used to set parameters in the core dumps. |
| 41 | */ |
| 42 | #define ELF_CLASS ELFCLASS32 |
| 43 | #define ELF_DATA ELFDATA2LSB |
| 44 | #define ELF_ARCH EM_UNICORE |
| 45 | |
| 46 | /* |
| 47 | * This yields a string that ld.so will use to load implementation |
| 48 | * specific libraries for optimization. This is more specific in |
| 49 | * intent than poking at uname or /proc/cpuinfo. |
| 50 | * |
| 51 | */ |
| 52 | #define ELF_PLATFORM_SIZE 8 |
| 53 | #define ELF_PLATFORM (elf_platform) |
| 54 | |
| 55 | extern char elf_platform[]; |
| 56 | |
| 57 | struct elf32_hdr; |
| 58 | |
| 59 | /* |
| 60 | * This is used to ensure we don't load something for the wrong architecture. |
| 61 | */ |
| 62 | extern int elf_check_arch(const struct elf32_hdr *); |
| 63 | #define elf_check_arch elf_check_arch |
| 64 | |
| 65 | struct task_struct; |
| 66 | int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs); |
| 67 | #define ELF_CORE_COPY_TASK_REGS dump_task_regs |
| 68 | |
| 69 | #define ELF_EXEC_PAGESIZE 4096 |
| 70 | |
| 71 | /* This is the location that an ET_DYN program is loaded if exec'ed. Typical |
| 72 | use of this is to invoke "./ld.so someprog" to test out a new version of |
| 73 | the loader. We need to make sure that it is out of the way of the program |
| 74 | that it will "exec", and that there is sufficient room for the brk. */ |
| 75 | |
| 76 | #define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) |
| 77 | |
| 78 | /* When the program starts, a1 contains a pointer to a function to be |
| 79 | registered with atexit, as per the SVR4 ABI. A value of 0 means we |
| 80 | have no such handler. */ |
| 81 | #define ELF_PLAT_INIT(_r, load_addr) {(_r)->UCreg_00 = 0; } |
| 82 | |
| 83 | extern void elf_set_personality(const struct elf32_hdr *); |
| 84 | #define SET_PERSONALITY(ex) elf_set_personality(&(ex)) |
| 85 | |
| 86 | struct mm_struct; |
| 87 | extern unsigned long arch_randomize_brk(struct mm_struct *mm); |
| 88 | #define arch_randomize_brk arch_randomize_brk |
| 89 | |
| 90 | extern int vectors_user_mapping(void); |
| 91 | #define arch_setup_additional_pages(bprm, uses_interp) vectors_user_mapping() |
| 92 | #define ARCH_HAS_SETUP_ADDITIONAL_PAGES |
| 93 | |
| 94 | #endif |