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1394f032 BW |
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 | ||
19 | typedef unsigned long elf_greg_t; | |
20 | ||
21 | #define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t)) | |
22 | typedef elf_greg_t elf_gregset_t[ELF_NGREG]; | |
23 | ||
24 | typedef struct user_bfinfp_struct elf_fpregset_t; | |
25 | /* | |
26 | * This is used to ensure we don't load something for the wrong architecture. | |
27 | */ | |
28 | #define elf_check_arch(x) ((x)->e_machine == EM_BLACKFIN) | |
29 | ||
30 | #define elf_check_fdpic(x) ((x)->e_flags & EF_BFIN_FDPIC /* && !((x)->e_flags & EF_FRV_NON_PIC_RELOCS) */) | |
31 | #define elf_check_const_displacement(x) ((x)->e_flags & EF_BFIN_PIC) | |
32 | ||
33 | /* EM_BLACKFIN defined in linux/elf.h */ | |
34 | ||
35 | /* | |
36 | * These are used to set parameters in the core dumps. | |
37 | */ | |
38 | #define ELF_CLASS ELFCLASS32 | |
39 | #define ELF_DATA ELFDATA2LSB | |
40 | #define ELF_ARCH EM_BLACKFIN | |
41 | ||
42 | #define ELF_PLAT_INIT(_r) _r->p1 = 0 | |
43 | ||
44 | #define ELF_FDPIC_PLAT_INIT(_regs, _exec_map_addr, _interp_map_addr, _dynamic_addr) \ | |
45 | do { \ | |
46 | _regs->r7 = 0; \ | |
47 | _regs->p0 = _exec_map_addr; \ | |
48 | _regs->p1 = _interp_map_addr; \ | |
49 | _regs->p2 = _dynamic_addr; \ | |
50 | } while(0) | |
51 | ||
52 | #define USE_ELF_CORE_DUMP | |
53 | #define ELF_FDPIC_CORE_EFLAGS EF_BFIN_FDPIC | |
54 | #define ELF_EXEC_PAGESIZE 4096 | |
55 | ||
56 | #define R_unused0 0 /* relocation type 0 is not defined */ | |
57 | #define R_pcrel5m2 1 /*LSETUP part a */ | |
58 | #define R_unused1 2 /* relocation type 2 is not defined */ | |
59 | #define R_pcrel10 3 /* type 3, if cc jump <target> */ | |
60 | #define R_pcrel12_jump 4 /* type 4, jump <target> */ | |
61 | #define R_rimm16 5 /* type 0x5, rN = <target> */ | |
62 | #define R_luimm16 6 /* # 0x6, preg.l=<target> Load imm 16 to lower half */ | |
63 | #define R_huimm16 7 /* # 0x7, preg.h=<target> Load imm 16 to upper half */ | |
64 | #define R_pcrel12_jump_s 8 /* # 0x8 jump.s <target> */ | |
65 | #define R_pcrel24_jump_x 9 /* # 0x9 jump.x <target> */ | |
66 | #define R_pcrel24 10 /* # 0xa call <target> , not expandable */ | |
67 | #define R_unusedb 11 /* # 0xb not generated */ | |
68 | #define R_unusedc 12 /* # 0xc not used */ | |
69 | #define R_pcrel24_jump_l 13 /*0xd jump.l <target> */ | |
70 | #define R_pcrel24_call_x 14 /* 0xE, call.x <target> if <target> is above 24 bit limit call through P1 */ | |
71 | #define R_var_eq_symb 15 /* 0xf, linker should treat it same as 0x12 */ | |
72 | #define R_byte_data 16 /* 0x10, .byte var = symbol */ | |
73 | #define R_byte2_data 17 /* 0x11, .byte2 var = symbol */ | |
74 | #define R_byte4_data 18 /* 0x12, .byte4 var = symbol and .var var=symbol */ | |
75 | #define R_pcrel11 19 /* 0x13, lsetup part b */ | |
76 | #define R_unused14 20 /* 0x14, undefined */ | |
77 | #define R_unused15 21 /* not generated by VDSP 3.5 */ | |
78 | ||
79 | /* arithmetic relocations */ | |
80 | #define R_push 0xE0 | |
81 | #define R_const 0xE1 | |
82 | #define R_add 0xE2 | |
83 | #define R_sub 0xE3 | |
84 | #define R_mult 0xE4 | |
85 | #define R_div 0xE5 | |
86 | #define R_mod 0xE6 | |
87 | #define R_lshift 0xE7 | |
88 | #define R_rshift 0xE8 | |
89 | #define R_and 0xE9 | |
90 | #define R_or 0xEA | |
91 | #define R_xor 0xEB | |
92 | #define R_land 0xEC | |
93 | #define R_lor 0xED | |
94 | #define R_len 0xEE | |
95 | #define R_neg 0xEF | |
96 | #define R_comp 0xF0 | |
97 | #define R_page 0xF1 | |
98 | #define R_hwpage 0xF2 | |
99 | #define R_addr 0xF3 | |
100 | ||
101 | /* This is the location that an ET_DYN program is loaded if exec'ed. Typical | |
102 | use of this is to invoke "./ld.so someprog" to test out a new version of | |
103 | the loader. We need to make sure that it is out of the way of the program | |
104 | that it will "exec", and that there is sufficient room for the brk. */ | |
105 | ||
106 | #define ELF_ET_DYN_BASE 0xD0000000UL | |
107 | ||
108 | #define ELF_CORE_COPY_REGS(pr_reg, regs) \ | |
109 | memcpy((char *) &pr_reg, (char *)regs, \ | |
110 | sizeof(struct pt_regs)); | |
111 | ||
112 | /* This yields a mask that user programs can use to figure out what | |
113 | instruction set this cpu supports. */ | |
114 | ||
115 | #define ELF_HWCAP (0) | |
116 | ||
117 | /* This yields a string that ld.so will use to load implementation | |
118 | specific libraries for optimization. This is more specific in | |
119 | intent than poking at uname or /proc/cpuinfo. */ | |
120 | ||
121 | #define ELF_PLATFORM (NULL) | |
122 | ||
123 | #ifdef __KERNEL__ | |
124 | #define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX) | |
125 | #endif | |
126 | ||
127 | #endif |