diff options
Diffstat (limited to 'include/asm-sh/elf.h')
| -rw-r--r-- | include/asm-sh/elf.h | 75 |
1 files changed, 62 insertions, 13 deletions
diff --git a/include/asm-sh/elf.h b/include/asm-sh/elf.h index 12cc4b392bf..05092da1aa5 100644 --- a/include/asm-sh/elf.h +++ b/include/asm-sh/elf.h @@ -5,7 +5,7 @@ #include <asm/ptrace.h> #include <asm/user.h> -/* SH relocation types */ +/* SH (particularly SHcompact) relocation types */ #define R_SH_NONE 0 #define R_SH_DIR32 1 #define R_SH_REL32 2 @@ -43,6 +43,11 @@ #define R_SH_RELATIVE 165 #define R_SH_GOTOFF 166 #define R_SH_GOTPC 167 +/* 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 @@ -58,11 +63,6 @@ typedef elf_greg_t elf_gregset_t[ELF_NGREG]; typedef struct user_fpu_struct elf_fpregset_t; /* - * This is used to ensure we don't load something for the wrong architecture. - */ -#define elf_check_arch(x) ( (x)->e_machine == EM_SH ) - -/* * These are used to set parameters in the core dumps. */ #define ELF_CLASS ELFCLASS32 @@ -73,6 +73,12 @@ typedef struct user_fpu_struct elf_fpregset_t; #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 USE_ELF_CORE_DUMP #define ELF_EXEC_PAGESIZE PAGE_SIZE @@ -83,7 +89,6 @@ typedef struct user_fpu_struct elf_fpregset_t; #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)); @@ -101,16 +106,38 @@ typedef struct user_fpu_struct elf_fpregset_t; For the moment, we have only optimizations for the Intel generations, but that could change... */ -#define ELF_PLATFORM (NULL) +#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) +#endif -#ifdef __KERNEL__ #define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT) struct task_struct; extern int dump_task_regs (struct task_struct *, elf_gregset_t *); @@ -118,7 +145,6 @@ 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) -#endif #ifdef CONFIG_VSYSCALL /* vDSO has arch_setup_additional_pages */ @@ -133,12 +159,35 @@ 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 { \ - if (vdso_enabled) \ - NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE); \ + /* 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 /* CONFIG_VSYSCALL */ +#endif /* __KERNEL__ */ #endif /* __ASM_SH_ELF_H */ |