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1 | #ifndef __ASM_SH64_ELF_H |
2 | #define __ASM_SH64_ELF_H | |
3 | ||
4 | /* | |
5 | * This file is subject to the terms and conditions of the GNU General Public | |
6 | * License. See the file "COPYING" in the main directory of this archive | |
7 | * for more details. | |
8 | * | |
9 | * include/asm-sh64/elf.h | |
10 | * | |
11 | * Copyright (C) 2000, 2001 Paolo Alberelli | |
12 | * | |
13 | */ | |
14 | ||
15 | /* | |
16 | * ELF register definitions.. | |
17 | */ | |
18 | ||
19 | #include <asm/ptrace.h> | |
20 | #include <asm/user.h> | |
21 | #include <asm/byteorder.h> | |
22 | ||
23 | typedef unsigned long elf_greg_t; | |
24 | ||
25 | #define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t)) | |
26 | typedef elf_greg_t elf_gregset_t[ELF_NGREG]; | |
27 | ||
28 | typedef struct user_fpu_struct elf_fpregset_t; | |
29 | ||
30 | /* | |
31 | * This is used to ensure we don't load something for the wrong architecture. | |
32 | */ | |
33 | #define elf_check_arch(x) ( (x)->e_machine == EM_SH ) | |
34 | ||
35 | /* | |
36 | * These are used to set parameters in the core dumps. | |
37 | */ | |
38 | #define ELF_CLASS ELFCLASS32 | |
39 | #ifdef __LITTLE_ENDIAN__ | |
40 | #define ELF_DATA ELFDATA2LSB | |
41 | #else | |
42 | #define ELF_DATA ELFDATA2MSB | |
43 | #endif | |
44 | #define ELF_ARCH EM_SH | |
45 | ||
46 | #define USE_ELF_CORE_DUMP | |
47 | #define ELF_EXEC_PAGESIZE 4096 | |
48 | ||
49 | /* This is the location that an ET_DYN program is loaded if exec'ed. Typical | |
50 | use of this is to invoke "./ld.so someprog" to test out a new version of | |
51 | the loader. We need to make sure that it is out of the way of the program | |
52 | that it will "exec", and that there is sufficient room for the brk. */ | |
53 | ||
54 | #define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) | |
55 | ||
56 | #define R_SH_DIR32 1 | |
57 | #define R_SH_REL32 2 | |
58 | #define R_SH_IMM_LOW16 246 | |
59 | #define R_SH_IMM_LOW16_PCREL 247 | |
60 | #define R_SH_IMM_MEDLOW16 248 | |
61 | #define R_SH_IMM_MEDLOW16_PCREL 249 | |
62 | ||
63 | #define ELF_CORE_COPY_REGS(_dest,_regs) \ | |
64 | memcpy((char *) &_dest, (char *) _regs, \ | |
65 | sizeof(struct pt_regs)); | |
66 | ||
67 | /* This yields a mask that user programs can use to figure out what | |
68 | instruction set this CPU supports. This could be done in user space, | |
69 | but it's not easy, and we've already done it here. */ | |
70 | ||
71 | #define ELF_HWCAP (0) | |
72 | ||
73 | /* This yields a string that ld.so will use to load implementation | |
74 | specific libraries for optimization. This is more specific in | |
75 | intent than poking at uname or /proc/cpuinfo. | |
76 | ||
77 | For the moment, we have only optimizations for the Intel generations, | |
78 | but that could change... */ | |
79 | ||
80 | #define ELF_PLATFORM (NULL) | |
81 | ||
82 | #define ELF_PLAT_INIT(_r, load_addr) \ | |
83 | do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \ | |
84 | _r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \ | |
85 | _r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \ | |
86 | _r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; _r->regs[15]=0; \ | |
87 | _r->regs[16]=0; _r->regs[17]=0; _r->regs[18]=0; _r->regs[19]=0; \ | |
88 | _r->regs[20]=0; _r->regs[21]=0; _r->regs[22]=0; _r->regs[23]=0; \ | |
89 | _r->regs[24]=0; _r->regs[25]=0; _r->regs[26]=0; _r->regs[27]=0; \ | |
90 | _r->regs[28]=0; _r->regs[29]=0; _r->regs[30]=0; _r->regs[31]=0; \ | |
91 | _r->regs[32]=0; _r->regs[33]=0; _r->regs[34]=0; _r->regs[35]=0; \ | |
92 | _r->regs[36]=0; _r->regs[37]=0; _r->regs[38]=0; _r->regs[39]=0; \ | |
93 | _r->regs[40]=0; _r->regs[41]=0; _r->regs[42]=0; _r->regs[43]=0; \ | |
94 | _r->regs[44]=0; _r->regs[45]=0; _r->regs[46]=0; _r->regs[47]=0; \ | |
95 | _r->regs[48]=0; _r->regs[49]=0; _r->regs[50]=0; _r->regs[51]=0; \ | |
96 | _r->regs[52]=0; _r->regs[53]=0; _r->regs[54]=0; _r->regs[55]=0; \ | |
97 | _r->regs[56]=0; _r->regs[57]=0; _r->regs[58]=0; _r->regs[59]=0; \ | |
98 | _r->regs[60]=0; _r->regs[61]=0; _r->regs[62]=0; \ | |
99 | _r->tregs[0]=0; _r->tregs[1]=0; _r->tregs[2]=0; _r->tregs[3]=0; \ | |
100 | _r->tregs[4]=0; _r->tregs[5]=0; _r->tregs[6]=0; _r->tregs[7]=0; \ | |
101 | _r->sr = SR_FD | SR_MMU; } while (0) | |
102 | ||
103 | #ifdef __KERNEL__ | |
104 | #define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT) | |
105 | #endif | |
106 | ||
107 | #endif /* __ASM_SH64_ELF_H */ |