procfs.h 3.4 KB

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  1. /* Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library; see the file COPYING.LIB. If
  13. not, see <http://www.gnu.org/licenses/>.  */
  14. #ifndef _SYS_PROCFS_H
  15. #define _SYS_PROCFS_H 1
  16. /* This is somewhat modelled after the file of the same name on SVR4
  17. systems. It provides a definition of the core file format for ELF
  18. used on Linux. It doesn't have anything to do with the /proc file
  19. system, even though Linux has one.
  20. Anyway, the whole purpose of this file is for GDB and GDB only.
  21. Don't read too much into it. Don't use it for anything other than
  22. GDB unless you know what you are doing. */
  23. #include <features.h>
  24. #include <sys/time.h>
  25. #include <sys/types.h>
  26. #include <sys/user.h>
  27. __BEGIN_DECLS
  28. /* Type for a general-purpose register. */
  29. typedef unsigned long elf_greg_t;
  30. /* No FP registers for kvx. */
  31. typedef struct {} elf_fpregset_t;
  32. /* And the whole bunch of them. We could have used `struct
  33. pt_regs' directly in the typedef, but tradition says that
  34. the register set is an array, which does have some peculiar
  35. semantics, so leave it that way. */
  36. #define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
  37. typedef elf_greg_t elf_gregset_t[ELF_NGREG];
  38. /* Signal info. */
  39. struct elf_siginfo
  40. {
  41. int si_signo; /* Signal number. */
  42. int si_code; /* Extra code. */
  43. int si_errno; /* Errno. */
  44. };
  45. /* Definitions to generate Intel SVR4-like core files. These mostly
  46. have the same names as the SVR4 types with "elf_" tacked on the
  47. front to prevent clashes with Linux definitions, and the typedef
  48. forms have been avoided. This is mostly like the SVR4 structure,
  49. but more Linuxy, with things that Linux does not support and which
  50. GDB doesn't really use excluded. */
  51. struct elf_prstatus
  52. {
  53. short int pr_cursig; /* Current signal. */
  54. __pid_t pr_pid;
  55. elf_gregset_t pr_reg; /* GP registers. */
  56. };
  57. #define ELF_PRARGSZ (80) /* Number of chars for args. */
  58. struct elf_prpsinfo
  59. {
  60. char pr_fname[16]; /* Filename of executable. */
  61. char pr_psargs[ELF_PRARGSZ]; /* Initial part of arg list. */
  62. };
  63. /* The rest of this file provides the types for emulation of the
  64. Solaris <proc_service.h> interfaces that should be implemented by
  65. users of libthread_db. */
  66. /* Addresses. */
  67. typedef void *psaddr_t;
  68. /* Register sets. Linux has different names. */
  69. typedef elf_gregset_t prgregset_t;
  70. typedef elf_fpregset_t prfpregset_t;
  71. /* We don't have any differences between processes and threads,
  72. therefore have only one PID type. */
  73. typedef __pid_t lwpid_t;
  74. /* Process status and info. In the end we do provide typedefs for them. */
  75. typedef struct elf_prstatus prstatus_t;
  76. typedef struct elf_prpsinfo prpsinfo_t;
  77. __END_DECLS
  78. #endif /* sys/procfs.h */