a.out-core.h 1.9 KB

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  1. /* a.out coredump register dumper
  2. *
  3. * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
  4. * Written by David Howells (dhowells@redhat.com)
  5. *
  6. * This program is free software; you can redistribute it and/or
  7. * modify it under the terms of the GNU General Public Licence
  8. * as published by the Free Software Foundation; either version
  9. * 2 of the Licence, or (at your option) any later version.
  10. */
  11. #ifndef _ASM_X86_A_OUT_CORE_H
  12. #define _ASM_X86_A_OUT_CORE_H
  13. #ifdef __KERNEL__
  14. #ifdef CONFIG_X86_32
  15. #include <linux/user.h>
  16. #include <linux/elfcore.h>
  17. #include <asm/debugreg.h>
  18. /*
  19. * fill in the user structure for an a.out core dump
  20. */
  21. static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump)
  22. {
  23. /* changed the size calculations - should hopefully work better. lbt */
  24. dump->magic = CMAGIC;
  25. dump->start_code = 0;
  26. dump->start_stack = regs->sp & ~(PAGE_SIZE - 1);
  27. dump->u_tsize = ((unsigned long)current->mm->end_code) >> PAGE_SHIFT;
  28. dump->u_dsize = ((unsigned long)(current->mm->brk + (PAGE_SIZE - 1)))
  29. >> PAGE_SHIFT;
  30. dump->u_dsize -= dump->u_tsize;
  31. dump->u_ssize = 0;
  32. aout_dump_debugregs(dump);
  33. if (dump->start_stack < TASK_SIZE)
  34. dump->u_ssize = ((unsigned long)(TASK_SIZE - dump->start_stack))
  35. >> PAGE_SHIFT;
  36. dump->regs.bx = regs->bx;
  37. dump->regs.cx = regs->cx;
  38. dump->regs.dx = regs->dx;
  39. dump->regs.si = regs->si;
  40. dump->regs.di = regs->di;
  41. dump->regs.bp = regs->bp;
  42. dump->regs.ax = regs->ax;
  43. dump->regs.ds = (u16)regs->ds;
  44. dump->regs.es = (u16)regs->es;
  45. dump->regs.fs = (u16)regs->fs;
  46. dump->regs.gs = get_user_gs(regs);
  47. dump->regs.orig_ax = regs->orig_ax;
  48. dump->regs.ip = regs->ip;
  49. dump->regs.cs = (u16)regs->cs;
  50. dump->regs.flags = regs->flags;
  51. dump->regs.sp = regs->sp;
  52. dump->regs.ss = (u16)regs->ss;
  53. dump->u_fpvalid = dump_fpu(regs, &dump->i387);
  54. }
  55. #endif /* CONFIG_X86_32 */
  56. #endif /* __KERNEL__ */
  57. #endif /* _ASM_X86_A_OUT_CORE_H */