1#ifndef __ASM_SH_ELF_H 2#define __ASM_SH_ELF_H 3 4#include <asm/auxvec.h> 5#include <asm/ptrace.h> 6#include <asm/user.h> 7 8/* SH relocation types */ 9#define R_SH_NONE 0 10#define R_SH_DIR32 1 11#define R_SH_REL32 2 12#define R_SH_DIR8WPN 3 13#define R_SH_IND12W 4 14#define R_SH_DIR8WPL 5 15#define R_SH_DIR8WPZ 6 16#define R_SH_DIR8BP 7 17#define R_SH_DIR8W 8 18#define R_SH_DIR8L 9 19#define R_SH_SWITCH16 25 20#define R_SH_SWITCH32 26 21#define R_SH_USES 27 22#define R_SH_COUNT 28 23#define R_SH_ALIGN 29 24#define R_SH_CODE 30 25#define R_SH_DATA 31 26#define R_SH_LABEL 32 27#define R_SH_SWITCH8 33 28#define R_SH_GNU_VTINHERIT 34 29#define R_SH_GNU_VTENTRY 35 30#define R_SH_TLS_GD_32 144 31#define R_SH_TLS_LD_32 145 32#define R_SH_TLS_LDO_32 146 33#define R_SH_TLS_IE_32 147 34#define R_SH_TLS_LE_32 148 35#define R_SH_TLS_DTPMOD32 149 36#define R_SH_TLS_DTPOFF32 150 37#define R_SH_TLS_TPOFF32 151 38#define R_SH_GOT32 160 39#define R_SH_PLT32 161 40#define R_SH_COPY 162 41#define R_SH_GLOB_DAT 163 42#define R_SH_JMP_SLOT 164 43#define R_SH_RELATIVE 165 44#define R_SH_GOTOFF 166 45#define R_SH_GOTPC 167 46/* Keep this the last entry. */ 47#define R_SH_NUM 256 48 49/* 50 * ELF register definitions.. 51 */ 52 53typedef unsigned long elf_greg_t; 54 55#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t)) 56typedef elf_greg_t elf_gregset_t[ELF_NGREG]; 57 58typedef struct user_fpu_struct elf_fpregset_t; 59 60/* 61 * This is used to ensure we don't load something for the wrong architecture. 62 */ 63#define elf_check_arch(x) ( (x)->e_machine == EM_SH ) 64 65/* 66 * These are used to set parameters in the core dumps. 67 */ 68#define ELF_CLASS ELFCLASS32 69#ifdef __LITTLE_ENDIAN__ 70#define ELF_DATA ELFDATA2LSB 71#else 72#define ELF_DATA ELFDATA2MSB 73#endif 74#define ELF_ARCH EM_SH 75 76#define USE_ELF_CORE_DUMP 77#define ELF_EXEC_PAGESIZE PAGE_SIZE 78 79/* This is the location that an ET_DYN program is loaded if exec'ed. Typical 80 use of this is to invoke "./ld.so someprog" to test out a new version of 81 the loader. We need to make sure that it is out of the way of the program 82 that it will "exec", and that there is sufficient room for the brk. */ 83 84#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) 85 86 87#define ELF_CORE_COPY_REGS(_dest,_regs) \ 88 memcpy((char *) &_dest, (char *) _regs, \ 89 sizeof(struct pt_regs)); 90 91/* This yields a mask that user programs can use to figure out what 92 instruction set this CPU supports. This could be done in user space, 93 but it's not easy, and we've already done it here. */ 94 95#define ELF_HWCAP (boot_cpu_data.flags) 96 97/* This yields a string that ld.so will use to load implementation 98 specific libraries for optimization. This is more specific in 99 intent than poking at uname or /proc/cpuinfo. 100 101 For the moment, we have only optimizations for the Intel generations, 102 but that could change... */ 103 104#define ELF_PLATFORM (NULL) 105 106#define ELF_PLAT_INIT(_r, load_addr) \ 107 do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \ 108 _r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \ 109 _r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \ 110 _r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; \ 111 _r->sr = SR_FD; } while (0) 112 113#ifdef __KERNEL__ 114#define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT) 115struct task_struct; 116extern int dump_task_regs (struct task_struct *, elf_gregset_t *); 117extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *); 118 119#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs) 120#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs) 121#endif 122 123#ifdef CONFIG_VSYSCALL 124/* vDSO has arch_setup_additional_pages */ 125#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 126struct linux_binprm; 127extern int arch_setup_additional_pages(struct linux_binprm *bprm, 128 int executable_stack); 129 130extern unsigned int vdso_enabled; 131extern void __kernel_vsyscall; 132 133#define VDSO_BASE ((unsigned long)current->mm->context.vdso) 134#define VDSO_SYM(x) (VDSO_BASE + (unsigned long)(x)) 135 136#define ARCH_DLINFO \ 137do { \ 138 if (vdso_enabled) \ 139 NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE); \ 140} while (0) 141#endif /* CONFIG_VSYSCALL */ 142 143#endif /* __ASM_SH_ELF_H */ 144