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1da177e4 LT |
1 | #ifndef __ASMARM_ELF_H |
2 | #define __ASMARM_ELF_H | |
3 | ||
4 | /* | |
5 | * ELF register definitions.. | |
6 | */ | |
7 | ||
8 | #include <asm/ptrace.h> | |
9 | #include <asm/procinfo.h> | |
10 | ||
11 | //FIXME - is it always 32K ? | |
12 | ||
13 | #define ELF_EXEC_PAGESIZE 32768 | |
14 | #define SET_PERSONALITY(ex,ibcs2) set_personality(PER_LINUX) | |
15 | ||
16 | typedef unsigned long elf_greg_t; | |
17 | typedef unsigned long elf_freg_t[3]; | |
18 | ||
19 | #define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t)) | |
20 | typedef elf_greg_t elf_gregset_t[ELF_NGREG]; | |
21 | ||
22 | typedef struct { void *null; } elf_fpregset_t; | |
23 | ||
24 | /* | |
25 | * This is used to ensure we don't load something for the wrong architecture. | |
26 | * We can only execute 26-bit code. | |
27 | */ | |
28 | ||
29 | #define EM_ARM 40 | |
30 | #define EF_ARM_APCS26 0x08 | |
31 | ||
32 | //#define elf_check_arch(x) ( ((x)->e_machine == EM_ARM) && ((x)->e_flags & EF_ARM_APCS26) ) FIXME!!!!! - this looks OK, but the flags seem to be wrong. | |
33 | #define elf_check_arch(x) (1) | |
34 | ||
35 | /* | |
36 | * These are used to set parameters in the core dumps. | |
37 | */ | |
38 | #define ELF_CLASS ELFCLASS32 | |
718a30a5 | 39 | #define ELF_DATA ELFDATA2LSB |
1da177e4 LT |
40 | #define ELF_ARCH EM_ARM |
41 | ||
42 | #define USE_ELF_CORE_DUMP | |
43 | ||
44 | /* This is the location that an ET_DYN program is loaded if exec'ed. Typical | |
45 | use of this is to invoke "./ld.so someprog" to test out a new version of | |
46 | the loader. We need to make sure that it is out of the way of the program | |
47 | that it will "exec", and that there is sufficient room for the brk. */ | |
48 | ||
49 | #define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) | |
50 | ||
51 | /* When the program starts, a1 contains a pointer to a function to be | |
52 | registered with atexit, as per the SVR4 ABI. A value of 0 means we | |
53 | have no such handler. */ | |
54 | #define ELF_PLAT_INIT(_r, load_addr) (_r)->ARM_r0 = 0 | |
55 | ||
56 | /* This yields a mask that user programs can use to figure out what | |
57 | instruction set this cpu supports. */ | |
58 | ||
59 | extern unsigned int elf_hwcap; | |
60 | #define ELF_HWCAP (elf_hwcap) | |
61 | ||
62 | /* This yields a string that ld.so will use to load implementation | |
63 | specific libraries for optimization. This is more specific in | |
64 | intent than poking at uname or /proc/cpuinfo. */ | |
65 | ||
66 | /* For now we just provide a fairly general string that describes the | |
67 | processor family. This could be made more specific later if someone | |
68 | implemented optimisations that require it. 26-bit CPUs give you | |
69 | "v1l" for ARM2 (no SWP) and "v2l" for anything else (ARM1 isn't | |
70 | supported). | |
71 | */ | |
72 | ||
73 | #define ELF_PLATFORM_SIZE 8 | |
74 | extern char elf_platform[]; | |
75 | #define ELF_PLATFORM (elf_platform) | |
76 | ||
77 | #endif |