gdb/proc-utils.h

   1 /* Machine independent support for SVR4 /proc (process file system) for GDB.
   2    Copyright (C) 1999, 2000, 2007, 2008, 2009, 2010
   3    Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 /* From proc-why.c */
  21
  22 /*
  23  * Pretty-print functions for /proc data
  24  */
  25
  26 extern void proc_prettyprint_why (unsigned long why, unsigned long what,
  27                                   int verbose);
  28
  29 extern void proc_prettyprint_syscalls (sysset_t *sysset, int verbose);
  30
  31 extern void proc_prettyprint_syscall (int num, int verbose);
  32
  33 extern void proc_prettyprint_flags (unsigned long flags, int verbose);
  34
  35 extern void proc_prettyfprint_signalset (FILE *file, sigset_t *sigset,
  36                                          int verbose);
  37
  38 extern void proc_prettyfprint_faultset (FILE *file, fltset_t *fltset,
  39                                         int verbose);
  40
  41 extern void proc_prettyfprint_syscall (FILE *file, int num, int verbose);
  42
  43 extern void proc_prettyfprint_signal (FILE *file, int signo, int verbose);
  44
  45 extern void proc_prettyfprint_flags (FILE *file, unsigned long flags,
  46                                      int verbose);
  47
  48 extern void proc_prettyfprint_why (FILE *file, unsigned long why,
  49                                    unsigned long what, int verbose);
  50
  51 extern void proc_prettyfprint_fault (FILE *file, int faultno, int verbose);
  52
  53 extern void proc_prettyfprint_syscalls (FILE *file, sysset_t *sysset,
  54                                         int verbose);
  55
  56 extern void proc_prettyfprint_status (long, int, int, int);
  57
  58
  59 /* From proc-api.c */
  60
  61 /*
  62  * Trace functions for /proc api.
  63  */
  64
  65 extern  int   write_with_trace (int, void *, size_t, char *, int);
  66 extern  off_t lseek_with_trace (int, off_t,  int,    char *, int);
  67 extern  int   ioctl_with_trace (int, long, void *, char *, int);
  68 extern  pid_t wait_with_trace  (int *, char *, int);
  69 extern  int   open_with_trace  (char *, int, char *, int);
  70 extern  int   close_with_trace (int, char *, int);
  71 extern  void  procfs_note      (char *, char *, int);
  72
  73 #ifdef PROCFS_TRACE
  74 /*
  75  * Debugging code:
  76  *
  77  * These macros allow me to trace the system calls that we make
  78  * to control the child process.  This is quite handy for comparing
  79  * with the older version of procfs.
  80  */
  81
  82 #define write(X,Y,Z)   write_with_trace (X, Y, Z, __FILE__, __LINE__)
  83 #define lseek(X,Y,Z)   lseek_with_trace (X, Y, Z, __FILE__, __LINE__)
  84 #define ioctl(X,Y,Z)   ioctl_with_trace (X, Y, Z, __FILE__, __LINE__)
  85 #define open(X,Y)      open_with_trace  (X, Y,    __FILE__, __LINE__)
  86 #define close(X)       close_with_trace (X,       __FILE__, __LINE__)
  87 #define wait(X)        wait_with_trace  (X,       __FILE__, __LINE__)
  88 #endif
  89 #define PROCFS_NOTE(X) procfs_note      (X,       __FILE__, __LINE__)
  90 #define PROC_PRETTYFPRINT_STATUS(X,Y,Z,T) \
  91      proc_prettyfprint_status (X, Y, Z, T)
  92
  93 /* Define the type (and more importantly the width) of the control
  94    word used to write to the /proc/PID/ctl file. */
  95 #if defined (PROC_CTL_WORD_TYPE)
  96 typedef PROC_CTL_WORD_TYPE procfs_ctl_t;
  97 #else
  98 typedef long procfs_ctl_t;
  99 #endif