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1da177e4 LT |
1 | #ifndef __V850_ELF_H__ |
2 | #define __V850_ELF_H__ | |
3 | ||
4 | /* | |
5 | * ELF register definitions.. | |
6 | */ | |
7 | ||
8 | #include <asm/ptrace.h> | |
9 | #include <asm/user.h> | |
10 | #include <asm/byteorder.h> | |
11 | ||
12 | typedef unsigned long elf_greg_t; | |
13 | ||
14 | #define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t)) | |
15 | typedef elf_greg_t elf_gregset_t[ELF_NGREG]; | |
16 | ||
17 | typedef struct user_fpu_struct elf_fpregset_t; | |
18 | ||
19 | /* | |
20 | * This is used to ensure we don't load something for the wrong architecture. | |
21 | */ | |
22 | #define elf_check_arch(x) \ | |
23 | ((x)->e_machine == EM_V850 || (x)->e_machine == EM_CYGNUS_V850) | |
24 | ||
25 | ||
26 | /* v850 relocation types. */ | |
27 | #define R_V850_NONE 0 | |
28 | #define R_V850_9_PCREL 1 | |
29 | #define R_V850_22_PCREL 2 | |
30 | #define R_V850_HI16_S 3 | |
31 | #define R_V850_HI16 4 | |
32 | #define R_V850_LO16 5 | |
33 | #define R_V850_32 6 | |
34 | #define R_V850_16 7 | |
35 | #define R_V850_8 8 | |
36 | #define R_V850_SDA_16_16_OFFSET 9 /* For ld.b, st.b, set1, clr1, | |
37 | not1, tst1, movea, movhi */ | |
38 | #define R_V850_SDA_15_16_OFFSET 10 /* For ld.w, ld.h, ld.hu, st.w, st.h */ | |
39 | #define R_V850_ZDA_16_16_OFFSET 11 /* For ld.b, st.b, set1, clr1, | |
40 | not1, tst1, movea, movhi */ | |
41 | #define R_V850_ZDA_15_16_OFFSET 12 /* For ld.w, ld.h, ld.hu, st.w, st.h */ | |
42 | #define R_V850_TDA_6_8_OFFSET 13 /* For sst.w, sld.w */ | |
43 | #define R_V850_TDA_7_8_OFFSET 14 /* For sst.h, sld.h */ | |
44 | #define R_V850_TDA_7_7_OFFSET 15 /* For sst.b, sld.b */ | |
45 | #define R_V850_TDA_16_16_OFFSET 16 /* For set1, clr1, not1, tst1, | |
46 | movea, movhi */ | |
47 | #define R_V850_NUM 17 | |
48 | ||
49 | ||
50 | /* | |
51 | * These are used to set parameters in the core dumps. | |
52 | */ | |
53 | #define ELF_CLASS ELFCLASS32 | |
54 | #ifdef __LITTLE_ENDIAN__ | |
55 | #define ELF_DATA ELFDATA2LSB | |
56 | #else | |
57 | #define ELF_DATA ELFDATA2MSB | |
58 | #endif | |
59 | #define ELF_ARCH EM_V850 | |
60 | ||
61 | #define USE_ELF_CORE_DUMP | |
62 | #define ELF_EXEC_PAGESIZE 4096 | |
63 | ||
64 | ||
65 | #define ELF_CORE_COPY_REGS(_dest,_regs) \ | |
66 | memcpy((char *) &_dest, (char *) _regs, \ | |
67 | sizeof(struct pt_regs)); | |
68 | ||
69 | /* This yields a mask that user programs can use to figure out what | |
70 | instruction set this CPU supports. This could be done in user space, | |
71 | but it's not easy, and we've already done it here. */ | |
72 | ||
73 | #define ELF_HWCAP (0) | |
74 | ||
75 | /* This yields a string that ld.so will use to load implementation | |
76 | specific libraries for optimization. This is more specific in | |
77 | intent than poking at uname or /proc/cpuinfo. | |
78 | ||
79 | For the moment, we have only optimizations for the Intel generations, | |
80 | but that could change... */ | |
81 | ||
82 | #define ELF_PLATFORM (NULL) | |
83 | ||
84 | #define ELF_PLAT_INIT(_r, load_addr) \ | |
85 | do { \ | |
86 | _r->gpr[0] = _r->gpr[1] = _r->gpr[2] = _r->gpr[3] = \ | |
87 | _r->gpr[4] = _r->gpr[5] = _r->gpr[6] = _r->gpr[7] = \ | |
88 | _r->gpr[8] = _r->gpr[9] = _r->gpr[10] = _r->gpr[11] = \ | |
89 | _r->gpr[12] = _r->gpr[13] = _r->gpr[14] = _r->gpr[15] = \ | |
90 | _r->gpr[16] = _r->gpr[17] = _r->gpr[18] = _r->gpr[19] = \ | |
91 | _r->gpr[20] = _r->gpr[21] = _r->gpr[22] = _r->gpr[23] = \ | |
92 | _r->gpr[24] = _r->gpr[25] = _r->gpr[26] = _r->gpr[27] = \ | |
93 | _r->gpr[28] = _r->gpr[29] = _r->gpr[30] = _r->gpr[31] = \ | |
94 | 0; \ | |
95 | } while (0) | |
96 | ||
97 | #ifdef __KERNEL__ | |
98 | #define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT) | |
99 | #endif | |
100 | ||
101 | #endif /* __V850_ELF_H__ */ |