gdb/proc-utils.h

   1 /* Machine independent support for SVR4 /proc (process file system) for GDB.
   2    Copyright 1999, 2000 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 2 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, write to the Free Software Foundation,
  18 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  19
  20
  21 /*
  22  * Pretty-print functions for /proc data
  23  */
  24
  25 extern void proc_prettyprint_why (unsigned long why, unsigned long what,
  26                                   int verbose);
  27
  28 extern void proc_prettyprint_syscalls (sysset_t *sysset, int verbose);
  29
  30 extern void proc_prettyprint_syscall (int num, int verbose);
  31
  32 extern void proc_prettyprint_flags (unsigned long flags, int verbose);
  33
  34 extern void proc_prettyfprint_signalset (FILE *file, sigset_t *sigset,
  35                                          int verbose);
  36
  37 extern void proc_prettyfprint_faultset (FILE *file, fltset_t *fltset,
  38                                         int verbose);
  39
  40 extern void proc_prettyfprint_syscall (FILE *file, int num, int verbose);
  41
  42 extern void proc_prettyfprint_signal (FILE *file, int signo, int verbose);
  43
  44 extern void proc_prettyfprint_flags (FILE *file, unsigned long flags,
  45                                      int verbose);
  46
  47 extern void proc_prettyfprint_why (FILE *file, unsigned long why,
  48                                    unsigned long what, int verbose);
  49
  50 extern void proc_prettyfprint_fault (FILE *file, int faultno, int verbose);
  51
  52 extern void proc_prettyfprint_syscalls (FILE *file, sysset_t *sysset,
  53                                         int verbose);
  54
  55 extern void proc_prettyfprint_status (long, int, int, int);
  56
  57 /*
  58  * Trace functions for /proc api.
  59  */
  60
  61 extern  int   write_with_trace (int, void *, size_t, char *, int);
  62 extern  off_t lseek_with_trace (int, off_t,  int,    char *, int);
  63 extern  int   ioctl_with_trace (int, long, void *, char *, int);
  64 extern  pid_t wait_with_trace  (int *, char *, int);
  65 extern  int   open_with_trace  (char *, int, char *, int);
  66 extern  int   close_with_trace (int, char *, int);
  67 extern  void  procfs_note      (char *, char *, int);
  68
  69 #ifdef PROCFS_TRACE
  70 /*
  71  * Debugging code:
  72  *
  73  * These macros allow me to trace the system calls that we make
  74  * to control the child process.  This is quite handy for comparing
  75  * with the older version of procfs.
  76  */
  77
  78 #define write(X,Y,Z)   write_with_trace (X, Y, Z, __FILE__, __LINE__)
  79 #define lseek(X,Y,Z)   lseek_with_trace (X, Y, Z, __FILE__, __LINE__)
  80 #define ioctl(X,Y,Z)   ioctl_with_trace (X, Y, Z, __FILE__, __LINE__)
  81 #define open(X,Y)      open_with_trace  (X, Y,    __FILE__, __LINE__)
  82 #define close(X)       close_with_trace (X,       __FILE__, __LINE__)
  83 #define wait(X)        wait_with_trace  (X,       __FILE__, __LINE__)
  84 #endif
  85 #define PROCFS_NOTE(X) procfs_note      (X,       __FILE__, __LINE__)
  86 #define PROC_PRETTYFPRINT_STATUS(X,Y,Z,T) \
  87      proc_prettyfprint_status (X, Y, Z, T)
  88
  89 /* Define the type (and more importantly the width) of the control
  90    word used to write to the /proc/PID/ctl file. */
  91 #if defined (PROC_CTL_WORD_TYPE)
  92 typedef PROC_CTL_WORD_TYPE procfs_ctl_t;
  93 #else
  94 typedef long procfs_ctl_t;
  95 #endif