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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
16typedef unsigned long elf_greg_t;
17typedef unsigned long elf_freg_t[3];
18
19#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
20typedef elf_greg_t elf_gregset_t[ELF_NGREG];
21
22typedef 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
39#define ELF_DATA ELFDATA2LSB
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
59extern 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
74extern char elf_platform[];
75#define ELF_PLATFORM (elf_platform)
76
77#endif