gdb/gdb_proc_service.h - gdb

Data types defined

Macros defined

Source code

  1. /* <proc_service.h> replacement for systems that don't have it.
  2.    Copyright (C) 2000-2015 Free Software Foundation, Inc.

  4.    This file is part of GDB.

  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 3 of the License, or
  9.    (at your option) any later version.

  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.

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

  19. #ifndef GDB_PROC_SERVICE_H
  20. ‌#define GDB_PROC_SERVICE_H

  22. #include <sys/types.h>

  24. #ifdef HAVE_PROC_SERVICE_H
  25. #include <proc_service.h>

  27. #else /* HAVE_PROC_SERVICE_H */

  29. /* The following fallback definitions have been imported and adjusted
  30.    from glibc's proc_service.h  */

  32. /* Callback interface for libthread_db, functions users must define.
  33.    Copyright (C) 1999,2002,2003 Free Software Foundation, Inc.
  34.    This file is part of the GNU C Library.

  36.    The GNU C Library is free software; you can redistribute it and/or
  37.    modify it under the terms of the GNU Lesser General Public
  38.    License as published by the Free Software Foundation; either
  39.    version 2.1 of the License, or (at your option) any later version.

  41.    The GNU C Library is distributed in the hope that it will be useful,
  42.    but WITHOUT ANY WARRANTY; without even the implied warranty of
  43.    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  44.    Lesser General Public License for more details.

  46.    You should have received a copy of the GNU Lesser General Public
  47.    License along with the GNU C Library; if not, see
  48.    <http://www.gnu.org/licenses/>.  */

  50. /* The definitions in this file must correspond to those in the debugger.  */

  52. #ifdef HAVE_SYS_PROCFS_H
  53. #include <sys/procfs.h>
  54. #endif

  56. #include "gregset.h"

  58. /* Functions in this interface return one of these status codes.  */
  59. typedef enum
  60. {
  61.   PS_OK,                /* Generic "call succeeded".  */
  62.   PS_ERR,                /* Generic error. */
  63.   PS_BADPID,                /* Bad process handle.  */
  64.   PS_BADLID,                /* Bad LWP identifier.  */
  65.   PS_BADADDR,                /* Bad address.  */
  66.   PS_NOSYM,                /* Could not find given symbol.  */
  67.   PS_NOFREGS                /* FPU register set not available for given LWP.  */
  68. ‌} ps_err_e;

  70. #ifndef HAVE_LWPID_T
  71. ‌typedef unsigned int lwpid_t;
  72. #endif

  74. #ifndef HAVE_PSADDR_T
  75. ‌typedef void *psaddr_t;
  76. #endif

  78. #ifndef HAVE_PRGREGSET_T
  79. ‌typedef gdb_gregset_t prgregset_t;
  80. #endif

  82. #ifndef HAVE_PRFPREGSET_T
  83. ‌typedef gdb_fpregset_t prfpregset_t;
  84. #endif

  86. /* This type is opaque in this interface.  It's defined by the user of
  87.    libthread_db.  GDB's version is defined below.  */
  88. struct ps_prochandle;


  91. /* Read or write process memory at the given address.  */
  92. extern ps_err_e ps_pdread (struct ps_prochandle *,
  93.                            psaddr_t, void *, size_t);
  94. extern ps_err_e ps_pdwrite (struct ps_prochandle *,
  95.                             psaddr_t, const void *, size_t);
  96. extern ps_err_e ps_ptread (struct ps_prochandle *,
  97.                            psaddr_t, void *, size_t);
  98. extern ps_err_e ps_ptwrite (struct ps_prochandle *,
  99.                             psaddr_t, const void *, size_t);


  102. /* Get and set the given LWP's general or FPU register set.  */
  103. extern ps_err_e ps_lgetregs (struct ps_prochandle *,
  104.                              lwpid_t, prgregset_t);
  105. extern ps_err_e ps_lsetregs (struct ps_prochandle *,
  106.                              lwpid_t, const prgregset_t);
  107. extern ps_err_e ps_lgetfpregs (struct ps_prochandle *,
  108.                                lwpid_t, prfpregset_t *);
  109. extern ps_err_e ps_lsetfpregs (struct ps_prochandle *,
  110.                                lwpid_t, const prfpregset_t *);

  112. /* Return the PID of the process.  */
  113. extern pid_t ps_getpid (struct ps_prochandle *);

  115. /* Fetch the special per-thread address associated with the given LWP.
  116.    This call is only used on a few platforms (most use a normal register).
  117.    The meaning of the `int' parameter is machine-dependent.  */
  118. extern ps_err_e ps_get_thread_area (const struct ps_prochandle *,
  119.                                     lwpid_t, int, psaddr_t *);


  122. /* Look up the named symbol in the named DSO in the symbol tables
  123.    associated with the process being debugged, filling in *SYM_ADDR
  124.    with the corresponding run-time address.  */
  125. extern ps_err_e ps_pglobal_lookup (struct ps_prochandle *,
  126.                                    const char *object_name,
  127.                                    const char *sym_name,
  128.                                    psaddr_t *sym_addr);


  131. /* Stop or continue the entire process.  */
  132. extern ps_err_e ps_pstop (struct ps_prochandle *);
  133. extern ps_err_e ps_pcontinue (struct ps_prochandle *);

  135. /* Stop or continue the given LWP alone.  */
  136. extern ps_err_e ps_lstop (struct ps_prochandle *, lwpid_t);
  137. extern ps_err_e ps_lcontinue (struct ps_prochandle *, lwpid_t);

  139. /* The following are only defined in/called by Solaris.  */

  141. /* Get size of extra register set.  */
  142. extern ps_err_e ps_lgetxregsize (struct ps_prochandle *ph,
  143.                                  lwpid_t lwpid, int *xregsize);
  144. /* Get extra register set.  */
  145. extern ps_err_e ps_lgetxregs (struct ps_prochandle *ph, lwpid_t lwpid,
  146.                               caddr_t xregset);
  147. extern ps_err_e ps_lsetxregs (struct ps_prochandle *ph, lwpid_t lwpid,
  148.                               caddr_t xregset);

  150. /* Log a message (sends to gdb_stderr).  */
  151. extern void ps_plog (const char *fmt, ...);

  153. #endif /* HAVE_PROC_SERVICE_H */

  155. /* Fix-up some broken systems.  */

  157. /* Unfortunately glibc 2.1.3 was released with a broken prfpregset_t
  158.    type.  We let configure check for this lossage, and make
  159.    appropriate typedefs here.  */

  161. #ifdef PRFPREGSET_T_BROKEN
  162. ‌typedef gdb_fpregset_t gdb_prfpregset_t;
  163. #else
  164. ‌typedef prfpregset_t gdb_prfpregset_t;
  165. #endif

  167. /* GDB specific structure that identifies the target process.  */
  168. ‌struct ps_prochandle
  169. {
  170.   /* The LWP we use for memory reads.  */
  171.   ptid_t ptid;
  172. };

  174. #endif /* gdb_proc_service.h */