ptrace.h 1.4 KB

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  1. /*
  2. * Ptrace definitions for the Hexagon architecture
  3. *
  4. * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
  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 version 2 and
  8. * only version 2 as published by the Free Software Foundation.
  9. *
  10. * This program is distributed in the hope that it will be useful,
  11. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13. * GNU General Public License for more details.
  14. *
  15. * You should have received a copy of the GNU General Public License
  16. * along with this program; if not, write to the Free Software
  17. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  18. * 02110-1301, USA.
  19. */
  20. #ifndef _ASM_PTRACE_H
  21. #define _ASM_PTRACE_H
  22. #include <asm/registers.h>
  23. #define instruction_pointer(regs) pt_elr(regs)
  24. #define user_stack_pointer(regs) ((regs)->r29)
  25. #define profile_pc(regs) instruction_pointer(regs)
  26. /* kprobe-based event tracer support */
  27. extern int regs_query_register_offset(const char *name);
  28. extern const char *regs_query_register_name(unsigned int offset);
  29. #define current_pt_regs() \
  30. ((struct pt_regs *) \
  31. ((unsigned long)current_thread_info() + THREAD_SIZE) - 1)
  32. #if CONFIG_HEXAGON_ARCH_VERSION >= 4
  33. #define arch_has_single_step() (1)
  34. #endif
  35. #endif