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1da177e4 LT |
1 | #ifndef __ASMARM_ELF_H |
2 | #define __ASMARM_ELF_H | |
3 | ||
f393e99d DW |
4 | #include <asm/hwcap.h> |
5 | ||
1da177e4 LT |
6 | /* |
7 | * ELF register definitions.. | |
8 | */ | |
1da177e4 LT |
9 | #include <asm/ptrace.h> |
10 | #include <asm/user.h> | |
1da177e4 LT |
11 | |
12 | typedef unsigned long elf_greg_t; | |
13 | typedef unsigned long elf_freg_t[3]; | |
14 | ||
4a5222ca RK |
15 | #define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t)) |
16 | typedef elf_greg_t elf_gregset_t[ELF_NGREG]; | |
17 | ||
18 | typedef struct user_fp elf_fpregset_t; | |
4a5222ca | 19 | |
1da177e4 | 20 | #define EM_ARM 40 |
8ec53663 RK |
21 | |
22 | #define EF_ARM_EABI_MASK 0xff000000 | |
23 | #define EF_ARM_EABI_UNKNOWN 0x00000000 | |
24 | #define EF_ARM_EABI_VER1 0x01000000 | |
25 | #define EF_ARM_EABI_VER2 0x02000000 | |
26 | #define EF_ARM_EABI_VER3 0x03000000 | |
27 | #define EF_ARM_EABI_VER4 0x04000000 | |
28 | #define EF_ARM_EABI_VER5 0x05000000 | |
29 | ||
30 | #define EF_ARM_BE8 0x00800000 /* ABI 4,5 */ | |
31 | #define EF_ARM_LE8 0x00400000 /* ABI 4,5 */ | |
32 | #define EF_ARM_MAVERICK_FLOAT 0x00000800 /* ABI 0 */ | |
33 | #define EF_ARM_VFP_FLOAT 0x00000400 /* ABI 0 */ | |
34 | #define EF_ARM_SOFT_FLOAT 0x00000200 /* ABI 0 */ | |
35 | #define EF_ARM_OLD_ABI 0x00000100 /* ABI 0 */ | |
36 | #define EF_ARM_NEW_ABI 0x00000080 /* ABI 0 */ | |
37 | #define EF_ARM_ALIGN8 0x00000040 /* ABI 0 */ | |
38 | #define EF_ARM_PIC 0x00000020 /* ABI 0 */ | |
39 | #define EF_ARM_MAPSYMSFIRST 0x00000010 /* ABI 2 */ | |
40 | #define EF_ARM_APCS_FLOAT 0x00000010 /* ABI 0, floats in fp regs */ | |
41 | #define EF_ARM_DYNSYMSUSESEGIDX 0x00000008 /* ABI 2 */ | |
42 | #define EF_ARM_APCS_26 0x00000008 /* ABI 0 */ | |
43 | #define EF_ARM_SYMSARESORTED 0x00000004 /* ABI 1,2 */ | |
44 | #define EF_ARM_INTERWORK 0x00000004 /* ABI 0 */ | |
45 | #define EF_ARM_HASENTRY 0x00000002 /* All */ | |
46 | #define EF_ARM_RELEXEC 0x00000001 /* All */ | |
1da177e4 | 47 | |
ae51e609 PG |
48 | #define R_ARM_NONE 0 |
49 | #define R_ARM_PC24 1 | |
50 | #define R_ARM_ABS32 2 | |
51 | #define R_ARM_CALL 28 | |
52 | #define R_ARM_JUMP24 29 | |
53 | #define R_ARM_V4BX 40 | |
54 | #define R_ARM_PREL31 42 | |
55 | #define R_ARM_MOVW_ABS_NC 43 | |
56 | #define R_ARM_MOVT_ABS 44 | |
1da177e4 | 57 | |
1da177e4 LT |
58 | /* |
59 | * These are used to set parameters in the core dumps. | |
60 | */ | |
61 | #define ELF_CLASS ELFCLASS32 | |
62 | #ifdef __ARMEB__ | |
718a30a5 | 63 | #define ELF_DATA ELFDATA2MSB |
1da177e4 | 64 | #else |
718a30a5 | 65 | #define ELF_DATA ELFDATA2LSB |
1da177e4 LT |
66 | #endif |
67 | #define ELF_ARCH EM_ARM | |
68 | ||
4a5222ca RK |
69 | /* |
70 | * This yields a string that ld.so will use to load implementation | |
71 | * specific libraries for optimization. This is more specific in | |
72 | * intent than poking at uname or /proc/cpuinfo. | |
73 | * | |
74 | * For now we just provide a fairly general string that describes the | |
75 | * processor family. This could be made more specific later if someone | |
76 | * implemented optimisations that require it. 26-bit CPUs give you | |
77 | * "v1l" for ARM2 (no SWP) and "v2l" for anything else (ARM1 isn't | |
78 | * supported). 32-bit CPUs give you "v3[lb]" for anything based on an | |
79 | * ARM6 or ARM7 core and "armv4[lb]" for anything based on a StrongARM-1 | |
80 | * core. | |
81 | */ | |
82 | #define ELF_PLATFORM_SIZE 8 | |
83 | #define ELF_PLATFORM (elf_platform) | |
84 | ||
85 | extern char elf_platform[]; | |
4a5222ca | 86 | |
8ec53663 | 87 | struct elf32_hdr; |
4a5222ca RK |
88 | |
89 | /* | |
8ec53663 | 90 | * This is used to ensure we don't load something for the wrong architecture. |
4a5222ca | 91 | */ |
8ec53663 RK |
92 | extern int elf_check_arch(const struct elf32_hdr *); |
93 | #define elf_check_arch elf_check_arch | |
4a5222ca | 94 | |
8ec53663 RK |
95 | extern int arm_elf_read_implies_exec(const struct elf32_hdr *, int); |
96 | #define elf_read_implies_exec(ex,stk) arm_elf_read_implies_exec(&(ex), stk) | |
6ff6340a | 97 | |
1da177e4 LT |
98 | #define USE_ELF_CORE_DUMP |
99 | #define ELF_EXEC_PAGESIZE 4096 | |
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 (2 * TASK_SIZE / 3) | |
107 | ||
108 | /* When the program starts, a1 contains a pointer to a function to be | |
109 | registered with atexit, as per the SVR4 ABI. A value of 0 means we | |
110 | have no such handler. */ | |
111 | #define ELF_PLAT_INIT(_r, load_addr) (_r)->ARM_r0 = 0 | |
112 | ||
8ec53663 | 113 | extern void elf_set_personality(const struct elf32_hdr *); |
0b592682 | 114 | #define SET_PERSONALITY(ex) elf_set_personality(&(ex)) |
1da177e4 LT |
115 | |
116 | #endif |