gdb/proc-utils.h

   1 /* Machine independent support for SVR4 /proc (process file system) for GDB.
   2    Copyright (C) 1999, 2000, 2007, 2008 Free Software Foundation, Inc.
   3
   4    This file is part of GDB.
   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 3 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, see <http://www.gnu.org/licenses/>.  */
  18
  19
  20 /*
  21  * Pretty-print functions for /proc data
  22  */
  23
  24 extern void proc_prettyprint_why (unsigned long why, unsigned long what,
  25                                   int verbose);
  26
  27 extern void proc_prettyprint_syscalls (sysset_t *sysset, int verbose);
  28
  29 extern void proc_prettyprint_syscall (int num, int verbose);
  30
  31 extern void proc_prettyprint_flags (unsigned long flags, int verbose);
  32
  33 extern void proc_prettyfprint_signalset (FILE *file, sigset_t *sigset,
  34                                          int verbose);
  35
  36 extern void proc_prettyfprint_faultset (FILE *file, fltset_t *fltset,
  37                                         int verbose);
  38
  39 extern void proc_prettyfprint_syscall (FILE *file, int num, int verbose);
  40
  41 extern void proc_prettyfprint_signal (FILE *file, int signo, int verbose);
  42
  43 extern void proc_prettyfprint_flags (FILE *file, unsigned long flags,
  44                                      int verbose);
  45
  46 extern void proc_prettyfprint_why (FILE *file, unsigned long why,
  47                                    unsigned long what, int verbose);
  48
  49 extern void proc_prettyfprint_fault (FILE *file, int faultno, int verbose);
  50
  51 extern void proc_prettyfprint_syscalls (FILE *file, sysset_t *sysset,
  52                                         int verbose);
  53
  54 extern void proc_prettyfprint_status (long, int, int, int);
  55
  56 /*
  57  * Trace functions for /proc api.
  58  */
  59
  60 extern  int   write_with_trace (int, void *, size_t, char *, int);
  61 extern  off_t lseek_with_trace (int, off_t,  int,    char *, int);
  62 extern  int   ioctl_with_trace (int, long, void *, char *, int);
  63 extern  pid_t wait_with_trace  (int *, char *, int);
  64 extern  int   open_with_trace  (char *, int, char *, int);
  65 extern  int   close_with_trace (int, char *, int);
  66 extern  void  procfs_note      (char *, char *, int);
  67
  68 #ifdef PROCFS_TRACE
  69 /*
  70  * Debugging code:
  71  *
  72  * These macros allow me to trace the system calls that we make
  73  * to control the child process.  This is quite handy for comparing
  74  * with the older version of procfs.
  75  */
  76
  77 #define write(X,Y,Z)   write_with_trace (X, Y, Z, __FILE__, __LINE__)
  78 #define lseek(X,Y,Z)   lseek_with_trace (X, Y, Z, __FILE__, __LINE__)
  79 #define ioctl(X,Y,Z)   ioctl_with_trace (X, Y, Z, __FILE__, __LINE__)
  80 #define open(X,Y)      open_with_trace  (X, Y,    __FILE__, __LINE__)
  81 #define close(X)       close_with_trace (X,       __FILE__, __LINE__)
  82 #define wait(X)        wait_with_trace  (X,       __FILE__, __LINE__)
  83 #endif
  84 #define PROCFS_NOTE(X) procfs_note      (X,       __FILE__, __LINE__)
  85 #define PROC_PRETTYFPRINT_STATUS(X,Y,Z,T) \
  86      proc_prettyfprint_status (X, Y, Z, T)
  87
  88 /* Define the type (and more importantly the width) of the control
  89    word used to write to the /proc/PID/ctl file. */
  90 #if defined (PROC_CTL_WORD_TYPE)
  91 typedef PROC_CTL_WORD_TYPE procfs_ctl_t;
  92 #else
  93 typedef long procfs_ctl_t;
  94 #endif