elf.h 4.2 KB

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  1. #ifndef __ASMARM_ELF_H
  2. #define __ASMARM_ELF_H
  3. #include <asm/hwcap.h>
  4. /*
  5. * ELF register definitions..
  6. */
  7. #include <asm/ptrace.h>
  8. #include <asm/user.h>
  9. struct task_struct;
  10. typedef unsigned long elf_greg_t;
  11. typedef unsigned long elf_freg_t[3];
  12. #define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
  13. typedef elf_greg_t elf_gregset_t[ELF_NGREG];
  14. typedef struct user_fp elf_fpregset_t;
  15. #define EM_ARM 40
  16. #define EF_ARM_EABI_MASK 0xff000000
  17. #define EF_ARM_EABI_UNKNOWN 0x00000000
  18. #define EF_ARM_EABI_VER1 0x01000000
  19. #define EF_ARM_EABI_VER2 0x02000000
  20. #define EF_ARM_EABI_VER3 0x03000000
  21. #define EF_ARM_EABI_VER4 0x04000000
  22. #define EF_ARM_EABI_VER5 0x05000000
  23. #define EF_ARM_BE8 0x00800000 /* ABI 4,5 */
  24. #define EF_ARM_LE8 0x00400000 /* ABI 4,5 */
  25. #define EF_ARM_MAVERICK_FLOAT 0x00000800 /* ABI 0 */
  26. #define EF_ARM_VFP_FLOAT 0x00000400 /* ABI 0 */
  27. #define EF_ARM_SOFT_FLOAT 0x00000200 /* ABI 0 */
  28. #define EF_ARM_OLD_ABI 0x00000100 /* ABI 0 */
  29. #define EF_ARM_NEW_ABI 0x00000080 /* ABI 0 */
  30. #define EF_ARM_ALIGN8 0x00000040 /* ABI 0 */
  31. #define EF_ARM_PIC 0x00000020 /* ABI 0 */
  32. #define EF_ARM_MAPSYMSFIRST 0x00000010 /* ABI 2 */
  33. #define EF_ARM_APCS_FLOAT 0x00000010 /* ABI 0, floats in fp regs */
  34. #define EF_ARM_DYNSYMSUSESEGIDX 0x00000008 /* ABI 2 */
  35. #define EF_ARM_APCS_26 0x00000008 /* ABI 0 */
  36. #define EF_ARM_SYMSARESORTED 0x00000004 /* ABI 1,2 */
  37. #define EF_ARM_INTERWORK 0x00000004 /* ABI 0 */
  38. #define EF_ARM_HASENTRY 0x00000002 /* All */
  39. #define EF_ARM_RELEXEC 0x00000001 /* All */
  40. #define R_ARM_NONE 0
  41. #define R_ARM_PC24 1
  42. #define R_ARM_ABS32 2
  43. #define R_ARM_CALL 28
  44. #define R_ARM_JUMP24 29
  45. #define R_ARM_V4BX 40
  46. #define R_ARM_PREL31 42
  47. #define R_ARM_MOVW_ABS_NC 43
  48. #define R_ARM_MOVT_ABS 44
  49. #define R_ARM_THM_CALL 10
  50. #define R_ARM_THM_JUMP24 30
  51. #define R_ARM_THM_MOVW_ABS_NC 47
  52. #define R_ARM_THM_MOVT_ABS 48
  53. /*
  54. * These are used to set parameters in the core dumps.
  55. */
  56. #define ELF_CLASS ELFCLASS32
  57. #ifdef __ARMEB__
  58. #define ELF_DATA ELFDATA2MSB
  59. #else
  60. #define ELF_DATA ELFDATA2LSB
  61. #endif
  62. #define ELF_ARCH EM_ARM
  63. /*
  64. * This yields a string that ld.so will use to load implementation
  65. * specific libraries for optimization. This is more specific in
  66. * intent than poking at uname or /proc/cpuinfo.
  67. *
  68. * For now we just provide a fairly general string that describes the
  69. * processor family. This could be made more specific later if someone
  70. * implemented optimisations that require it. 26-bit CPUs give you
  71. * "v1l" for ARM2 (no SWP) and "v2l" for anything else (ARM1 isn't
  72. * supported). 32-bit CPUs give you "v3[lb]" for anything based on an
  73. * ARM6 or ARM7 core and "armv4[lb]" for anything based on a StrongARM-1
  74. * core.
  75. */
  76. #define ELF_PLATFORM_SIZE 8
  77. #define ELF_PLATFORM (elf_platform)
  78. extern char elf_platform[];
  79. struct elf32_hdr;
  80. /*
  81. * This is used to ensure we don't load something for the wrong architecture.
  82. */
  83. extern int elf_check_arch(const struct elf32_hdr *);
  84. #define elf_check_arch elf_check_arch
  85. #define vmcore_elf64_check_arch(x) (0)
  86. extern int arm_elf_read_implies_exec(const struct elf32_hdr *, int);
  87. #define elf_read_implies_exec(ex,stk) arm_elf_read_implies_exec(&(ex), stk)
  88. struct task_struct;
  89. int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs);
  90. #define ELF_CORE_COPY_TASK_REGS dump_task_regs
  91. #define CORE_DUMP_USE_REGSET
  92. #define ELF_EXEC_PAGESIZE 4096
  93. /* This is the location that an ET_DYN program is loaded if exec'ed. Typical
  94. use of this is to invoke "./ld.so someprog" to test out a new version of
  95. the loader. We need to make sure that it is out of the way of the program
  96. that it will "exec", and that there is sufficient room for the brk. */
  97. #define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
  98. /* When the program starts, a1 contains a pointer to a function to be
  99. registered with atexit, as per the SVR4 ABI. A value of 0 means we
  100. have no such handler. */
  101. #define ELF_PLAT_INIT(_r, load_addr) (_r)->ARM_r0 = 0
  102. extern void elf_set_personality(const struct elf32_hdr *);
  103. #define SET_PERSONALITY(ex) elf_set_personality(&(ex))
  104. struct mm_struct;
  105. extern unsigned long arch_randomize_brk(struct mm_struct *mm);
  106. #define arch_randomize_brk arch_randomize_brk
  107. #ifdef CONFIG_MMU
  108. #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
  109. struct linux_binprm;
  110. int arch_setup_additional_pages(struct linux_binprm *, int);
  111. #endif
  112. #endif