1 /* Changes made by LG Soft Oct 2004*/ 2 3 #ifndef __ASMBFIN_ELF_H 4 #define __ASMBFIN_ELF_H 5 6 /* 7 * ELF register definitions.. 8 */ 9 10 #include <asm/ptrace.h> 11 #include <asm/user.h> 12 13 /* Processor specific flags for the ELF header e_flags field. */ 14 #define EF_BFIN_PIC 0x00000001 /* -fpic */ 15 #define EF_BFIN_FDPIC 0x00000002 /* -mfdpic */ 16 #define EF_BFIN_CODE_IN_L1 0x00000010 /* --code-in-l1 */ 17 #define EF_BFIN_DATA_IN_L1 0x00000020 /* --data-in-l1 */ 18 #define EF_BFIN_CODE_IN_L2 0x00000040 /* --code-in-l2 */ 19 #define EF_BFIN_DATA_IN_L2 0x00000080 /* --data-in-l2 */ 20 21 typedef unsigned long elf_greg_t; 22 23 #define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t)) 24 typedef elf_greg_t elf_gregset_t[ELF_NGREG]; 25 26 typedef struct user_bfinfp_struct elf_fpregset_t; 27 /* 28 * This is used to ensure we don't load something for the wrong architecture. 29 */ 30 #define elf_check_arch(x) ((x)->e_machine == EM_BLACKFIN) 31 32 #define elf_check_fdpic(x) ((x)->e_flags & EF_BFIN_FDPIC /* && !((x)->e_flags & EF_FRV_NON_PIC_RELOCS) */) 33 #define elf_check_const_displacement(x) ((x)->e_flags & EF_BFIN_PIC) 34 35 /* EM_BLACKFIN defined in linux/elf.h */ 36 37 /* 38 * These are used to set parameters in the core dumps. 39 */ 40 #define ELF_CLASS ELFCLASS32 41 #define ELF_DATA ELFDATA2LSB 42 #define ELF_ARCH EM_BLACKFIN 43 44 #define ELF_PLAT_INIT(_r) _r->p1 = 0 45 46 #define ELF_FDPIC_PLAT_INIT(_regs, _exec_map_addr, _interp_map_addr, _dynamic_addr) \ 47 do { \ 48 _regs->r7 = 0; \ 49 _regs->p0 = _exec_map_addr; \ 50 _regs->p1 = _interp_map_addr; \ 51 _regs->p2 = _dynamic_addr; \ 52 } while(0) 53 54 #define USE_ELF_CORE_DUMP 55 #define ELF_FDPIC_CORE_EFLAGS EF_BFIN_FDPIC 56 #define ELF_EXEC_PAGESIZE 4096 57 58 #define R_unused0 0 /* relocation type 0 is not defined */ 59 #define R_pcrel5m2 1 /*LSETUP part a */ 60 #define R_unused1 2 /* relocation type 2 is not defined */ 61 #define R_pcrel10 3 /* type 3, if cc jump <target> */ 62 #define R_pcrel12_jump 4 /* type 4, jump <target> */ 63 #define R_rimm16 5 /* type 0x5, rN = <target> */ 64 #define R_luimm16 6 /* # 0x6, preg.l=<target> Load imm 16 to lower half */ 65 #define R_huimm16 7 /* # 0x7, preg.h=<target> Load imm 16 to upper half */ 66 #define R_pcrel12_jump_s 8 /* # 0x8 jump.s <target> */ 67 #define R_pcrel24_jump_x 9 /* # 0x9 jump.x <target> */ 68 #define R_pcrel24 10 /* # 0xa call <target> , not expandable */ 69 #define R_unusedb 11 /* # 0xb not generated */ 70 #define R_unusedc 12 /* # 0xc not used */ 71 #define R_pcrel24_jump_l 13 /*0xd jump.l <target> */ 72 #define R_pcrel24_call_x 14 /* 0xE, call.x <target> if <target> is above 24 bit limit call through P1 */ 73 #define R_var_eq_symb 15 /* 0xf, linker should treat it same as 0x12 */ 74 #define R_byte_data 16 /* 0x10, .byte var = symbol */ 75 #define R_byte2_data 17 /* 0x11, .byte2 var = symbol */ 76 #define R_byte4_data 18 /* 0x12, .byte4 var = symbol and .var var=symbol */ 77 #define R_pcrel11 19 /* 0x13, lsetup part b */ 78 #define R_unused14 20 /* 0x14, undefined */ 79 #define R_unused15 21 /* not generated by VDSP 3.5 */ 80 81 /* arithmetic relocations */ 82 #define R_push 0xE0 83 #define R_const 0xE1 84 #define R_add 0xE2 85 #define R_sub 0xE3 86 #define R_mult 0xE4 87 #define R_div 0xE5 88 #define R_mod 0xE6 89 #define R_lshift 0xE7 90 #define R_rshift 0xE8 91 #define R_and 0xE9 92 #define R_or 0xEA 93 #define R_xor 0xEB 94 #define R_land 0xEC 95 #define R_lor 0xED 96 #define R_len 0xEE 97 #define R_neg 0xEF 98 #define R_comp 0xF0 99 #define R_page 0xF1 100 #define R_hwpage 0xF2 101 #define R_addr 0xF3 102 103 /* This is the location that an ET_DYN program is loaded if exec'ed. Typical 104 use of this is to invoke "./ld.so someprog" to test out a new version of 105 the loader. We need to make sure that it is out of the way of the program 106 that it will "exec", and that there is sufficient room for the brk. */ 107 108 #define ELF_ET_DYN_BASE 0xD0000000UL 109 110 #define ELF_CORE_COPY_REGS(pr_reg, regs) \ 111 memcpy((char *) &pr_reg, (char *)regs, \ 112 sizeof(struct pt_regs)); 113 114 /* This yields a mask that user programs can use to figure out what 115 instruction set this cpu supports. */ 116 117 #define ELF_HWCAP (0) 118 119 /* This yields a string that ld.so will use to load implementation 120 specific libraries for optimization. This is more specific in 121 intent than poking at uname or /proc/cpuinfo. */ 122 123 #define ELF_PLATFORM (NULL) 124 125 #define SET_PERSONALITY(ex) set_personality(PER_LINUX) 126 127 #endif 128