elf.h 3.5 KB

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  1. #ifndef __ASMCRIS_ARCH_ELF_H
  2. #define __ASMCRIS_ARCH_ELF_H
  3. #define ELF_MACH EF_CRIS_VARIANT_ANY_V0_V10
  4. /*
  5. * This is used to ensure we don't load something for the wrong architecture.
  6. */
  7. #define elf_check_arch(x) \
  8. ((x)->e_machine == EM_CRIS \
  9. && ((((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_ANY_V0_V10 \
  10. || (((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_COMMON_V10_V32))))
  11. /*
  12. * ELF register definitions..
  13. */
  14. #include <asm/ptrace.h>
  15. /* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program
  16. starts (a register; assume first param register for CRIS)
  17. contains a pointer to a function which might be
  18. registered using `atexit'. This provides a mean for the
  19. dynamic linker to call DT_FINI functions for shared libraries
  20. that have been loaded before the code runs.
  21. A value of 0 tells we have no such handler. */
  22. /* Explicitly set registers to 0 to increase determinism. */
  23. #define ELF_PLAT_INIT(_r, load_addr) do { \
  24. (_r)->r13 = 0; (_r)->r12 = 0; (_r)->r11 = 0; (_r)->r10 = 0; \
  25. (_r)->r9 = 0; (_r)->r8 = 0; (_r)->r7 = 0; (_r)->r6 = 0; \
  26. (_r)->r5 = 0; (_r)->r4 = 0; (_r)->r3 = 0; (_r)->r2 = 0; \
  27. (_r)->r1 = 0; (_r)->r0 = 0; (_r)->mof = 0; (_r)->srp = 0; \
  28. } while (0)
  29. /* The additional layer below is because the stack pointer is missing in
  30. the pt_regs struct, but needed in a core dump. pr_reg is a elf_gregset_t,
  31. and should be filled in according to the layout of the user_regs_struct
  32. struct; regs is a pt_regs struct. We dump all registers, though several are
  33. obviously unnecessary. That way there's less need for intelligence at
  34. the receiving end (i.e. gdb). */
  35. #define ELF_CORE_COPY_REGS(pr_reg, regs) \
  36. pr_reg[0] = regs->r0; \
  37. pr_reg[1] = regs->r1; \
  38. pr_reg[2] = regs->r2; \
  39. pr_reg[3] = regs->r3; \
  40. pr_reg[4] = regs->r4; \
  41. pr_reg[5] = regs->r5; \
  42. pr_reg[6] = regs->r6; \
  43. pr_reg[7] = regs->r7; \
  44. pr_reg[8] = regs->r8; \
  45. pr_reg[9] = regs->r9; \
  46. pr_reg[10] = regs->r10; \
  47. pr_reg[11] = regs->r11; \
  48. pr_reg[12] = regs->r12; \
  49. pr_reg[13] = regs->r13; \
  50. pr_reg[14] = rdusp(); /* sp */ \
  51. pr_reg[15] = regs->irp; /* pc */ \
  52. pr_reg[16] = 0; /* p0 */ \
  53. pr_reg[17] = rdvr(); /* vr */ \
  54. pr_reg[18] = 0; /* p2 */ \
  55. pr_reg[19] = 0; /* p3 */ \
  56. pr_reg[20] = 0; /* p4 */ \
  57. pr_reg[21] = (regs->dccr & 0xffff); /* ccr */ \
  58. pr_reg[22] = 0; /* p6 */ \
  59. pr_reg[23] = regs->mof; /* mof */ \
  60. pr_reg[24] = 0; /* p8 */ \
  61. pr_reg[25] = 0; /* ibr */ \
  62. pr_reg[26] = 0; /* irp */ \
  63. pr_reg[27] = regs->srp; /* srp */ \
  64. pr_reg[28] = 0; /* bar */ \
  65. pr_reg[29] = regs->dccr; /* dccr */ \
  66. pr_reg[30] = 0; /* brp */ \
  67. pr_reg[31] = rdusp(); /* usp */ \
  68. pr_reg[32] = 0; /* csrinstr */ \
  69. pr_reg[33] = 0; /* csraddr */ \
  70. pr_reg[34] = 0; /* csrdata */
  71. #endif