Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | #ifndef __ASM_SH64_ELF_H |
| 2 | #define __ASM_SH64_ELF_H |
| 3 | |
| 4 | /* |
| 5 | * This file is subject to the terms and conditions of the GNU General Public |
| 6 | * License. See the file "COPYING" in the main directory of this archive |
| 7 | * for more details. |
| 8 | * |
| 9 | * include/asm-sh64/elf.h |
| 10 | * |
| 11 | * Copyright (C) 2000, 2001 Paolo Alberelli |
| 12 | * |
| 13 | */ |
| 14 | |
| 15 | /* |
| 16 | * ELF register definitions.. |
| 17 | */ |
| 18 | |
| 19 | #include <asm/ptrace.h> |
| 20 | #include <asm/user.h> |
| 21 | #include <asm/byteorder.h> |
| 22 | |
| 23 | typedef unsigned long elf_greg_t; |
| 24 | |
| 25 | #define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t)) |
| 26 | typedef elf_greg_t elf_gregset_t[ELF_NGREG]; |
| 27 | |
| 28 | typedef struct user_fpu_struct elf_fpregset_t; |
| 29 | |
| 30 | /* |
| 31 | * This is used to ensure we don't load something for the wrong architecture. |
| 32 | */ |
| 33 | #define elf_check_arch(x) ( (x)->e_machine == EM_SH ) |
| 34 | |
| 35 | /* |
| 36 | * These are used to set parameters in the core dumps. |
| 37 | */ |
| 38 | #define ELF_CLASS ELFCLASS32 |
| 39 | #ifdef __LITTLE_ENDIAN__ |
| 40 | #define ELF_DATA ELFDATA2LSB |
| 41 | #else |
| 42 | #define ELF_DATA ELFDATA2MSB |
| 43 | #endif |
| 44 | #define ELF_ARCH EM_SH |
| 45 | |
| 46 | #define USE_ELF_CORE_DUMP |
| 47 | #define ELF_EXEC_PAGESIZE 4096 |
| 48 | |
| 49 | /* This is the location that an ET_DYN program is loaded if exec'ed. Typical |
| 50 | use of this is to invoke "./ld.so someprog" to test out a new version of |
| 51 | the loader. We need to make sure that it is out of the way of the program |
| 52 | that it will "exec", and that there is sufficient room for the brk. */ |
| 53 | |
| 54 | #define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) |
| 55 | |
| 56 | #define R_SH_DIR32 1 |
| 57 | #define R_SH_REL32 2 |
| 58 | #define R_SH_IMM_LOW16 246 |
| 59 | #define R_SH_IMM_LOW16_PCREL 247 |
| 60 | #define R_SH_IMM_MEDLOW16 248 |
| 61 | #define R_SH_IMM_MEDLOW16_PCREL 249 |
| 62 | |
| 63 | #define ELF_CORE_COPY_REGS(_dest,_regs) \ |
| 64 | memcpy((char *) &_dest, (char *) _regs, \ |
| 65 | sizeof(struct pt_regs)); |
| 66 | |
| 67 | /* This yields a mask that user programs can use to figure out what |
| 68 | instruction set this CPU supports. This could be done in user space, |
| 69 | but it's not easy, and we've already done it here. */ |
| 70 | |
| 71 | #define ELF_HWCAP (0) |
| 72 | |
| 73 | /* This yields a string that ld.so will use to load implementation |
| 74 | specific libraries for optimization. This is more specific in |
| 75 | intent than poking at uname or /proc/cpuinfo. |
| 76 | |
| 77 | For the moment, we have only optimizations for the Intel generations, |
| 78 | but that could change... */ |
| 79 | |
| 80 | #define ELF_PLATFORM (NULL) |
| 81 | |
| 82 | #define ELF_PLAT_INIT(_r, load_addr) \ |
| 83 | do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \ |
| 84 | _r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \ |
| 85 | _r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \ |
| 86 | _r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; _r->regs[15]=0; \ |
| 87 | _r->regs[16]=0; _r->regs[17]=0; _r->regs[18]=0; _r->regs[19]=0; \ |
| 88 | _r->regs[20]=0; _r->regs[21]=0; _r->regs[22]=0; _r->regs[23]=0; \ |
| 89 | _r->regs[24]=0; _r->regs[25]=0; _r->regs[26]=0; _r->regs[27]=0; \ |
| 90 | _r->regs[28]=0; _r->regs[29]=0; _r->regs[30]=0; _r->regs[31]=0; \ |
| 91 | _r->regs[32]=0; _r->regs[33]=0; _r->regs[34]=0; _r->regs[35]=0; \ |
| 92 | _r->regs[36]=0; _r->regs[37]=0; _r->regs[38]=0; _r->regs[39]=0; \ |
| 93 | _r->regs[40]=0; _r->regs[41]=0; _r->regs[42]=0; _r->regs[43]=0; \ |
| 94 | _r->regs[44]=0; _r->regs[45]=0; _r->regs[46]=0; _r->regs[47]=0; \ |
| 95 | _r->regs[48]=0; _r->regs[49]=0; _r->regs[50]=0; _r->regs[51]=0; \ |
| 96 | _r->regs[52]=0; _r->regs[53]=0; _r->regs[54]=0; _r->regs[55]=0; \ |
| 97 | _r->regs[56]=0; _r->regs[57]=0; _r->regs[58]=0; _r->regs[59]=0; \ |
| 98 | _r->regs[60]=0; _r->regs[61]=0; _r->regs[62]=0; \ |
| 99 | _r->tregs[0]=0; _r->tregs[1]=0; _r->tregs[2]=0; _r->tregs[3]=0; \ |
| 100 | _r->tregs[4]=0; _r->tregs[5]=0; _r->tregs[6]=0; _r->tregs[7]=0; \ |
| 101 | _r->sr = SR_FD | SR_MMU; } while (0) |
| 102 | |
| 103 | #ifdef __KERNEL__ |
| 104 | #define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT) |
| 105 | #endif |
| 106 | |
| 107 | #endif /* __ASM_SH64_ELF_H */ |