| #ifndef __ASM_SH_ELF_H |
| #define __ASM_SH_ELF_H |
| |
| #include <linux/utsname.h> |
| #include <asm/auxvec.h> |
| #include <asm/ptrace.h> |
| #include <asm/user.h> |
| |
| /* ELF header e_flags defines */ |
| #define EF_SH_PIC 0x100 /* -fpic */ |
| #define EF_SH_FDPIC 0x8000 /* -mfdpic */ |
| |
| /* SH (particularly SHcompact) relocation types */ |
| #define R_SH_NONE 0 |
| #define R_SH_DIR32 1 |
| #define R_SH_REL32 2 |
| #define R_SH_DIR8WPN 3 |
| #define R_SH_IND12W 4 |
| #define R_SH_DIR8WPL 5 |
| #define R_SH_DIR8WPZ 6 |
| #define R_SH_DIR8BP 7 |
| #define R_SH_DIR8W 8 |
| #define R_SH_DIR8L 9 |
| #define R_SH_SWITCH16 25 |
| #define R_SH_SWITCH32 26 |
| #define R_SH_USES 27 |
| #define R_SH_COUNT 28 |
| #define R_SH_ALIGN 29 |
| #define R_SH_CODE 30 |
| #define R_SH_DATA 31 |
| #define R_SH_LABEL 32 |
| #define R_SH_SWITCH8 33 |
| #define R_SH_GNU_VTINHERIT 34 |
| #define R_SH_GNU_VTENTRY 35 |
| #define R_SH_TLS_GD_32 144 |
| #define R_SH_TLS_LD_32 145 |
| #define R_SH_TLS_LDO_32 146 |
| #define R_SH_TLS_IE_32 147 |
| #define R_SH_TLS_LE_32 148 |
| #define R_SH_TLS_DTPMOD32 149 |
| #define R_SH_TLS_DTPOFF32 150 |
| #define R_SH_TLS_TPOFF32 151 |
| #define R_SH_GOT32 160 |
| #define R_SH_PLT32 161 |
| #define R_SH_COPY 162 |
| #define R_SH_GLOB_DAT 163 |
| #define R_SH_JMP_SLOT 164 |
| #define R_SH_RELATIVE 165 |
| #define R_SH_GOTOFF 166 |
| #define R_SH_GOTPC 167 |
| |
| /* FDPIC relocs */ |
| #define R_SH_GOT20 70 |
| #define R_SH_GOTOFF20 71 |
| #define R_SH_GOTFUNCDESC 72 |
| #define R_SH_GOTFUNCDESC20 73 |
| #define R_SH_GOTOFFFUNCDESC 74 |
| #define R_SH_GOTOFFFUNCDESC20 75 |
| #define R_SH_FUNCDESC 76 |
| #define R_SH_FUNCDESC_VALUE 77 |
| |
| #if 0 /* XXX - later .. */ |
| #define R_SH_GOT20 198 |
| #define R_SH_GOTOFF20 199 |
| #define R_SH_GOTFUNCDESC 200 |
| #define R_SH_GOTFUNCDESC20 201 |
| #define R_SH_GOTOFFFUNCDESC 202 |
| #define R_SH_GOTOFFFUNCDESC20 203 |
| #define R_SH_FUNCDESC 204 |
| #define R_SH_FUNCDESC_VALUE 205 |
| #endif |
| |
| /* SHmedia relocs */ |
| #define R_SH_IMM_LOW16 246 |
| #define R_SH_IMM_LOW16_PCREL 247 |
| #define R_SH_IMM_MEDLOW16 248 |
| #define R_SH_IMM_MEDLOW16_PCREL 249 |
| /* Keep this the last entry. */ |
| #define R_SH_NUM 256 |
| |
| /* |
| * ELF register definitions.. |
| */ |
| |
| typedef unsigned long elf_greg_t; |
| |
| #define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t)) |
| typedef elf_greg_t elf_gregset_t[ELF_NGREG]; |
| |
| typedef struct user_fpu_struct elf_fpregset_t; |
| |
| /* |
| * These are used to set parameters in the core dumps. |
| */ |
| #define ELF_CLASS ELFCLASS32 |
| #ifdef __LITTLE_ENDIAN__ |
| #define ELF_DATA ELFDATA2LSB |
| #else |
| #define ELF_DATA ELFDATA2MSB |
| #endif |
| #define ELF_ARCH EM_SH |
| |
| #ifdef __KERNEL__ |
| /* |
| * This is used to ensure we don't load something for the wrong architecture. |
| */ |
| #define elf_check_arch(x) ((x)->e_machine == EM_SH) |
| #define elf_check_fdpic(x) ((x)->e_flags & EF_SH_FDPIC) |
| #define elf_check_const_displacement(x) ((x)->e_flags & EF_SH_PIC) |
| |
| #if defined(CONFIG_SUPERH32) && \ |
| (!defined(CONFIG_SH_FPU) && !defined(CONFIG_SH_DSP)) |
| /* |
| * Enable dump using regset for general purpose registers, use this as |
| * the default once the FPU and DSP registers are moved over also. |
| */ |
| #define CORE_DUMP_USE_REGSET |
| #endif |
| |
| #define USE_ELF_CORE_DUMP |
| #define ELF_FDPIC_CORE_EFLAGS EF_SH_FDPIC |
| #define ELF_EXEC_PAGESIZE PAGE_SIZE |
| |
| /* This is the location that an ET_DYN program is loaded if exec'ed. Typical |
| use of this is to invoke "./ld.so someprog" to test out a new version of |
| the loader. We need to make sure that it is out of the way of the program |
| that it will "exec", and that there is sufficient room for the brk. */ |
| |
| #define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) |
| |
| #define ELF_CORE_COPY_REGS(_dest,_regs) \ |
| memcpy((char *) &_dest, (char *) _regs, \ |
| sizeof(struct pt_regs)); |
| |
| /* This yields a mask that user programs can use to figure out what |
| instruction set this CPU supports. This could be done in user space, |
| but it's not easy, and we've already done it here. */ |
| |
| #define ELF_HWCAP (boot_cpu_data.flags) |
| |
| /* This yields a string that ld.so will use to load implementation |
| specific libraries for optimization. This is more specific in |
| intent than poking at uname or /proc/cpuinfo. |
| |
| For the moment, we have only optimizations for the Intel generations, |
| but that could change... */ |
| |
| #define ELF_PLATFORM (utsname()->machine) |
| |
| #ifdef __SH5__ |
| #define ELF_PLAT_INIT(_r, load_addr) \ |
| do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \ |
| _r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \ |
| _r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \ |
| _r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; _r->regs[15]=0; \ |
| _r->regs[16]=0; _r->regs[17]=0; _r->regs[18]=0; _r->regs[19]=0; \ |
| _r->regs[20]=0; _r->regs[21]=0; _r->regs[22]=0; _r->regs[23]=0; \ |
| _r->regs[24]=0; _r->regs[25]=0; _r->regs[26]=0; _r->regs[27]=0; \ |
| _r->regs[28]=0; _r->regs[29]=0; _r->regs[30]=0; _r->regs[31]=0; \ |
| _r->regs[32]=0; _r->regs[33]=0; _r->regs[34]=0; _r->regs[35]=0; \ |
| _r->regs[36]=0; _r->regs[37]=0; _r->regs[38]=0; _r->regs[39]=0; \ |
| _r->regs[40]=0; _r->regs[41]=0; _r->regs[42]=0; _r->regs[43]=0; \ |
| _r->regs[44]=0; _r->regs[45]=0; _r->regs[46]=0; _r->regs[47]=0; \ |
| _r->regs[48]=0; _r->regs[49]=0; _r->regs[50]=0; _r->regs[51]=0; \ |
| _r->regs[52]=0; _r->regs[53]=0; _r->regs[54]=0; _r->regs[55]=0; \ |
| _r->regs[56]=0; _r->regs[57]=0; _r->regs[58]=0; _r->regs[59]=0; \ |
| _r->regs[60]=0; _r->regs[61]=0; _r->regs[62]=0; \ |
| _r->tregs[0]=0; _r->tregs[1]=0; _r->tregs[2]=0; _r->tregs[3]=0; \ |
| _r->tregs[4]=0; _r->tregs[5]=0; _r->tregs[6]=0; _r->tregs[7]=0; \ |
| _r->sr = SR_FD | SR_MMU; } while (0) |
| #else |
| #define ELF_PLAT_INIT(_r, load_addr) \ |
| do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \ |
| _r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \ |
| _r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \ |
| _r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; \ |
| _r->sr = SR_FD; } while (0) |
| |
| #define ELF_FDPIC_PLAT_INIT(_r, _exec_map_addr, _interp_map_addr, \ |
| _dynamic_addr) \ |
| do { \ |
| _r->regs[0] = 0; \ |
| _r->regs[1] = 0; \ |
| _r->regs[2] = 0; \ |
| _r->regs[3] = 0; \ |
| _r->regs[4] = 0; \ |
| _r->regs[5] = 0; \ |
| _r->regs[6] = 0; \ |
| _r->regs[7] = 0; \ |
| _r->regs[8] = _exec_map_addr; \ |
| _r->regs[9] = _interp_map_addr; \ |
| _r->regs[10] = _dynamic_addr; \ |
| _r->regs[11] = 0; \ |
| _r->regs[12] = 0; \ |
| _r->regs[13] = 0; \ |
| _r->regs[14] = 0; \ |
| _r->sr = SR_FD; \ |
| } while (0) |
| #endif |
| |
| #define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT) |
| struct task_struct; |
| extern int dump_task_regs (struct task_struct *, elf_gregset_t *); |
| extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *); |
| |
| #define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs) |
| #define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs) |
| |
| #ifdef CONFIG_VSYSCALL |
| /* vDSO has arch_setup_additional_pages */ |
| #define ARCH_HAS_SETUP_ADDITIONAL_PAGES |
| struct linux_binprm; |
| extern int arch_setup_additional_pages(struct linux_binprm *bprm, |
| int executable_stack); |
| |
| extern unsigned int vdso_enabled; |
| extern void __kernel_vsyscall; |
| |
| #define VDSO_BASE ((unsigned long)current->mm->context.vdso) |
| #define VDSO_SYM(x) (VDSO_BASE + (unsigned long)(x)) |
| |
| #define VSYSCALL_AUX_ENT \ |
| if (vdso_enabled) \ |
| NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE); |
| #else |
| #define VSYSCALL_AUX_ENT |
| #endif /* CONFIG_VSYSCALL */ |
| |
| #ifdef CONFIG_SH_FPU |
| #define FPU_AUX_ENT NEW_AUX_ENT(AT_FPUCW, FPSCR_INIT) |
| #else |
| #define FPU_AUX_ENT |
| #endif |
| |
| extern int l1i_cache_shape, l1d_cache_shape, l2_cache_shape; |
| |
| /* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */ |
| #define ARCH_DLINFO \ |
| do { \ |
| /* Optional FPU initialization */ \ |
| FPU_AUX_ENT; \ |
| \ |
| /* Optional vsyscall entry */ \ |
| VSYSCALL_AUX_ENT; \ |
| \ |
| /* Cache desc */ \ |
| NEW_AUX_ENT(AT_L1I_CACHESHAPE, l1i_cache_shape); \ |
| NEW_AUX_ENT(AT_L1D_CACHESHAPE, l1d_cache_shape); \ |
| NEW_AUX_ENT(AT_L2_CACHESHAPE, l2_cache_shape); \ |
| } while (0) |
| |
| #endif /* __KERNEL__ */ |
| #endif /* __ASM_SH_ELF_H */ |