diff options
Diffstat (limited to 'arch/m68knommu/include/asm/elf.h')
-rw-r--r-- | arch/m68knommu/include/asm/elf.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/arch/m68knommu/include/asm/elf.h b/arch/m68knommu/include/asm/elf.h new file mode 100644 index 000000000000..27f0ec70fba8 --- /dev/null +++ b/arch/m68knommu/include/asm/elf.h | |||
@@ -0,0 +1,110 @@ | |||
1 | #ifndef __ASMm68k_ELF_H | ||
2 | #define __ASMm68k_ELF_H | ||
3 | |||
4 | /* | ||
5 | * ELF register definitions.. | ||
6 | */ | ||
7 | |||
8 | #include <asm/ptrace.h> | ||
9 | #include <asm/user.h> | ||
10 | |||
11 | /* | ||
12 | * 68k ELF relocation types | ||
13 | */ | ||
14 | #define R_68K_NONE 0 | ||
15 | #define R_68K_32 1 | ||
16 | #define R_68K_16 2 | ||
17 | #define R_68K_8 3 | ||
18 | #define R_68K_PC32 4 | ||
19 | #define R_68K_PC16 5 | ||
20 | #define R_68K_PC8 6 | ||
21 | #define R_68K_GOT32 7 | ||
22 | #define R_68K_GOT16 8 | ||
23 | #define R_68K_GOT8 9 | ||
24 | #define R_68K_GOT32O 10 | ||
25 | #define R_68K_GOT16O 11 | ||
26 | #define R_68K_GOT8O 12 | ||
27 | #define R_68K_PLT32 13 | ||
28 | #define R_68K_PLT16 14 | ||
29 | #define R_68K_PLT8 15 | ||
30 | #define R_68K_PLT32O 16 | ||
31 | #define R_68K_PLT16O 17 | ||
32 | #define R_68K_PLT8O 18 | ||
33 | #define R_68K_COPY 19 | ||
34 | #define R_68K_GLOB_DAT 20 | ||
35 | #define R_68K_JMP_SLOT 21 | ||
36 | #define R_68K_RELATIVE 22 | ||
37 | |||
38 | typedef unsigned long elf_greg_t; | ||
39 | |||
40 | #define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t)) | ||
41 | typedef elf_greg_t elf_gregset_t[ELF_NGREG]; | ||
42 | |||
43 | typedef struct user_m68kfp_struct elf_fpregset_t; | ||
44 | |||
45 | /* | ||
46 | * This is used to ensure we don't load something for the wrong architecture. | ||
47 | */ | ||
48 | #define elf_check_arch(x) ((x)->e_machine == EM_68K) | ||
49 | |||
50 | /* | ||
51 | * These are used to set parameters in the core dumps. | ||
52 | */ | ||
53 | #define ELF_CLASS ELFCLASS32 | ||
54 | #define ELF_DATA ELFDATA2MSB | ||
55 | #define ELF_ARCH EM_68K | ||
56 | |||
57 | /* For SVR4/m68k the function pointer to be registered with `atexit' is | ||
58 | passed in %a1. Although my copy of the ABI has no such statement, it | ||
59 | is actually used on ASV. */ | ||
60 | #define ELF_PLAT_INIT(_r, load_addr) _r->a1 = 0 | ||
61 | |||
62 | #define USE_ELF_CORE_DUMP | ||
63 | #define ELF_EXEC_PAGESIZE 4096 | ||
64 | |||
65 | /* This is the location that an ET_DYN program is loaded if exec'ed. Typical | ||
66 | use of this is to invoke "./ld.so someprog" to test out a new version of | ||
67 | the loader. We need to make sure that it is out of the way of the program | ||
68 | that it will "exec", and that there is sufficient room for the brk. */ | ||
69 | |||
70 | #define ELF_ET_DYN_BASE 0xD0000000UL | ||
71 | |||
72 | #define ELF_CORE_COPY_REGS(pr_reg, regs) \ | ||
73 | /* Bleech. */ \ | ||
74 | pr_reg[0] = regs->d1; \ | ||
75 | pr_reg[1] = regs->d2; \ | ||
76 | pr_reg[2] = regs->d3; \ | ||
77 | pr_reg[3] = regs->d4; \ | ||
78 | pr_reg[4] = regs->d5; \ | ||
79 | pr_reg[7] = regs->a0; \ | ||
80 | pr_reg[8] = regs->a1; \ | ||
81 | pr_reg[14] = regs->d0; \ | ||
82 | pr_reg[15] = rdusp(); \ | ||
83 | pr_reg[16] = 0 /* regs->orig_d0 */; \ | ||
84 | pr_reg[17] = regs->sr; \ | ||
85 | pr_reg[18] = regs->pc; \ | ||
86 | /* pr_reg[19] = (regs->format << 12) | regs->vector; */ \ | ||
87 | { \ | ||
88 | struct switch_stack *sw = ((struct switch_stack *)regs) - 1; \ | ||
89 | pr_reg[5] = sw->d6; \ | ||
90 | pr_reg[6] = sw->d7; \ | ||
91 | pr_reg[10] = sw->a3; \ | ||
92 | pr_reg[11] = sw->a4; \ | ||
93 | pr_reg[12] = sw->a5; \ | ||
94 | pr_reg[13] = sw->a6; \ | ||
95 | } | ||
96 | |||
97 | /* This yields a mask that user programs can use to figure out what | ||
98 | instruction set this cpu supports. */ | ||
99 | |||
100 | #define ELF_HWCAP (0) | ||
101 | |||
102 | /* This yields a string that ld.so will use to load implementation | ||
103 | specific libraries for optimization. This is more specific in | ||
104 | intent than poking at uname or /proc/cpuinfo. */ | ||
105 | |||
106 | #define ELF_PLATFORM (NULL) | ||
107 | |||
108 | #define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX) | ||
109 | |||
110 | #endif | ||