uprobes.h 1.4 KB

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  1. #ifndef _ASM_UPROBES_H
  2. #define _ASM_UPROBES_H
  3. /*
  4. * User-space Probes (UProbes) for powerpc
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation; either version 2 of the License, or
  9. * (at your option) any later version.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License
  17. * along with this program; if not, write to the Free Software
  18. * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19. *
  20. * Copyright IBM Corporation, 2007-2012
  21. *
  22. * Adapted from the x86 port by Ananth N Mavinakayanahalli <ananth@in.ibm.com>
  23. */
  24. #include <linux/notifier.h>
  25. #include <asm/probes.h>
  26. typedef ppc_opcode_t uprobe_opcode_t;
  27. #define MAX_UINSN_BYTES 4
  28. #define UPROBE_XOL_SLOT_BYTES (MAX_UINSN_BYTES)
  29. /* The following alias is needed for reference from arch-agnostic code */
  30. #define UPROBE_SWBP_INSN BREAKPOINT_INSTRUCTION
  31. #define UPROBE_SWBP_INSN_SIZE 4 /* swbp insn size in bytes */
  32. struct arch_uprobe {
  33. union {
  34. u32 insn;
  35. u32 ixol;
  36. };
  37. };
  38. struct arch_uprobe_task {
  39. unsigned long saved_trap_nr;
  40. };
  41. #endif /* _ASM_UPROBES_H */