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elf.h
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1 #ifndef _ASM_SCORE_ELF_H
2 #define _ASM_SCORE_ELF_H
3 
4 #include <linux/ptrace.h>
5 
6 #define EM_SCORE7 135
7 
8 /* Relocation types. */
9 #define R_SCORE_NONE 0
10 #define R_SCORE_HI16 1
11 #define R_SCORE_LO16 2
12 #define R_SCORE_BCMP 3
13 #define R_SCORE_24 4
14 #define R_SCORE_PC19 5
15 #define R_SCORE16_11 6
16 #define R_SCORE16_PC8 7
17 #define R_SCORE_ABS32 8
18 #define R_SCORE_ABS16 9
19 #define R_SCORE_DUMMY2 10
20 #define R_SCORE_GP15 11
21 #define R_SCORE_GNU_VTINHERIT 12
22 #define R_SCORE_GNU_VTENTRY 13
23 #define R_SCORE_GOT15 14
24 #define R_SCORE_GOT_LO16 15
25 #define R_SCORE_CALL15 16
26 #define R_SCORE_GPREL32 17
27 #define R_SCORE_REL32 18
28 #define R_SCORE_DUMMY_HI16 19
29 #define R_SCORE_IMM30 20
30 #define R_SCORE_IMM32 21
31 
32 /* ELF register definitions */
33 typedef unsigned long elf_greg_t;
34 
35 #define ELF_NGREG (sizeof(struct pt_regs) / sizeof(elf_greg_t))
37 
38 /* Score does not have fp regs. */
39 typedef double elf_fpreg_t;
41 
42 #define elf_check_arch(x) ((x)->e_machine == EM_SCORE7)
43 
44 /*
45  * These are used to set parameters in the core dumps.
46  */
47 #define ELF_CLASS ELFCLASS32
48 
49 /*
50  * These are used to set parameters in the core dumps.
51  */
52 #define ELF_DATA ELFDATA2LSB
53 #define ELF_ARCH EM_SCORE7
54 
55 #define SET_PERSONALITY(ex) \
56 do { \
57  set_personality(PER_LINUX | (current->personality & (~PER_MASK))); \
58 } while (0)
59 
60 struct task_struct;
61 struct pt_regs;
62 
63 #define CORE_DUMP_USE_REGSET
64 #define ELF_EXEC_PAGESIZE PAGE_SIZE
65 
66 /* This yields a mask that user programs can use to figure out what
67  instruction set this cpu supports. This could be done in userspace,
68  but it's not easy, and we've already done it here. */
69 
70 #define ELF_HWCAP (0)
71 
72 /* This yields a string that ld.so will use to load implementation
73  specific libraries for optimization. This is more specific in
74  intent than poking at uname or /proc/cpuinfo.
75 
76  For the moment, we have only optimizations for the Intel generations,
77  but that could change... */
78 
79 #define ELF_PLATFORM (NULL)
80 
81 #define ELF_PLAT_INIT(_r, load_addr) \
82 do { \
83  _r->regs[1] = _r->regs[2] = _r->regs[3] = _r->regs[4] = 0; \
84  _r->regs[5] = _r->regs[6] = _r->regs[7] = _r->regs[8] = 0; \
85  _r->regs[9] = _r->regs[10] = _r->regs[11] = _r->regs[12] = 0; \
86  _r->regs[13] = _r->regs[14] = _r->regs[15] = _r->regs[16] = 0; \
87  _r->regs[17] = _r->regs[18] = _r->regs[19] = _r->regs[20] = 0; \
88  _r->regs[21] = _r->regs[22] = _r->regs[23] = _r->regs[24] = 0; \
89  _r->regs[25] = _r->regs[26] = _r->regs[27] = _r->regs[28] = 0; \
90  _r->regs[30] = _r->regs[31] = 0; \
91 } while (0)
92 
93 /* This is the location that an ET_DYN program is loaded if exec'ed. Typical
94  use of this is to invoke "./ld.so someprog" to test out a new version of
95  the loader. We need to make sure that it is out of the way of the program
96  that it will "exec", and that there is sufficient room for the brk. */
97 
98 #ifndef ELF_ET_DYN_BASE
99 #define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
100 #endif
101 
102 #endif /* _ASM_SCORE_ELF_H */