gdb/nat/linux-ptrace.h - gdb

Macros defined

Source code

  1. /* Copyright (C) 2011-2015 Free Software Foundation, Inc.

  3.    This file is part of GDB.

  5.    This program is free software; you can redistribute it and/or modify
  6.    it under the terms of the GNU General Public License as published by
  7.    the Free Software Foundation; either version 3 of the License, or
  8.    (at your option) any later version.

  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.

  15.    You should have received a copy of the GNU General Public License
  16.    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

  18. #ifndef COMMON_LINUX_PTRACE_H
  19. ‌#define COMMON_LINUX_PTRACE_H

  21. struct buffer;

  23. #include <sys/ptrace.h>

  25. #ifdef __UCLIBC__
  26. #if !(defined(__UCLIBC_HAS_MMU__) || defined(__ARCH_HAS_MMU__))
  27. /* PTRACE_TEXT_ADDR and friends.  */
  28. #include <asm/ptrace.h>
  29. ‌#define HAS_NOMMU
  30. #endif
  31. #endif

  33. #if !defined(PTRACE_TYPE_ARG3)
  34. ‌#define PTRACE_TYPE_ARG3 void *
  35. #endif

  37. #if !defined(PTRACE_TYPE_ARG4)
  38. ‌#define PTRACE_TYPE_ARG4 void *
  39. #endif

  41. #ifndef PTRACE_GETSIGINFO
  42. ‌# define PTRACE_GETSIGINFO 0x4202
  43. ‌# define PTRACE_SETSIGINFO 0x4203
  44. #endif /* PTRACE_GETSIGINF */

  46. /* If the system headers did not provide the constants, hard-code the normal
  47.    values.  */
  48. #ifndef PTRACE_EVENT_FORK

  50. ‌#define PTRACE_SETOPTIONS        0x4200
  51. ‌#define PTRACE_GETEVENTMSG        0x4201

  53. /* options set using PTRACE_SETOPTIONS */
  54. ‌#define PTRACE_O_TRACESYSGOOD        0x00000001
  55. ‌#define PTRACE_O_TRACEFORK        0x00000002
  56. ‌#define PTRACE_O_TRACEVFORK        0x00000004
  57. ‌#define PTRACE_O_TRACECLONE        0x00000008
  58. ‌#define PTRACE_O_TRACEEXEC        0x00000010
  59. ‌#define PTRACE_O_TRACEVFORKDONE        0x00000020
  60. ‌#define PTRACE_O_TRACEEXIT        0x00000040

  62. /* Wait extended result codes for the above trace options.  */
  63. ‌#define PTRACE_EVENT_FORK        1
  64. ‌#define PTRACE_EVENT_VFORK        2
  65. ‌#define PTRACE_EVENT_CLONE        3
  66. ‌#define PTRACE_EVENT_EXEC        4
  67. ‌#define PTRACE_EVENT_VFORK_DONE        5
  68. ‌#define PTRACE_EVENT_EXIT        6

  70. #endif /* PTRACE_EVENT_FORK */

  72. #ifndef PTRACE_O_EXITKILL
  73. /* Only defined in Linux Kernel 3.8 or later.  */
  74. ‌#define PTRACE_O_EXITKILL        0x00100000
  75. #endif

  77. #if (defined __bfin__ || defined __frv__ || defined __sh__) \
  78.     && !defined PTRACE_GETFDPIC
  79. ‌#define PTRACE_GETFDPIC                31
  80. ‌#define PTRACE_GETFDPIC_EXEC        0
  81. ‌#define PTRACE_GETFDPIC_INTERP        1
  82. #endif

  84. /* We can't always assume that this flag is available, but all systems
  85.    with the ptrace event handlers also have __WALL, so it's safe to use
  86.    in some contexts.  */
  87. #ifndef __WALL
  88. ‌#define __WALL          0x40000000 /* Wait for any child.  */
  89. #endif

  91. extern void linux_ptrace_attach_fail_reason (pid_t pid, struct buffer *buffer);

  93. /* Find all possible reasons we could have failed to attach to PTID
  94.    and return them as a string.  ERR is the error PTRACE_ATTACH failed
  95.    with (an errno).  The result is stored in a static buffer.  This
  96.    string should be copied into a buffer by the client if the string
  97.    will not be immediately used, or if it must persist.  */
  98. extern char *linux_ptrace_attach_fail_reason_string (ptid_t ptid, int err);

  100. extern void linux_ptrace_init_warnings (void);
  101. extern void linux_enable_event_reporting (pid_t pid, int attached);
  102. extern void linux_disable_event_reporting (pid_t pid);
  103. extern int linux_supports_tracefork (void);
  104. extern int linux_supports_traceclone (void);
  105. extern int linux_supports_tracevforkdone (void);
  106. extern int linux_supports_tracesysgood (void);
  107. extern void linux_ptrace_set_additional_flags (int);
  108. extern int linux_ptrace_get_extended_event (int wstat);
  109. extern int linux_is_extended_waitstatus (int wstat);

  111. #endif /* COMMON_LINUX_PTRACE_H */