gdb/proc-utils.h

   1 /* Machine independent support for SVR4 /proc (process file system) for GDB.
   2    Copyright (C) 1999, 2000, 2007, 2008, 2009 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 /* From proc-why.c */
  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 /* From proc-api.c */
  59
  60 /*
  61  * Trace functions for /proc api.
  62  */
  63
  64 extern  int   write_with_trace (int, void *, size_t, char *, int);
  65 extern  off_t lseek_with_trace (int, off_t,  int,    char *, int);
  66 extern  int   ioctl_with_trace (int, long, void *, char *, int);
  67 extern  pid_t wait_with_trace  (int *, char *, int);
  68 extern  int   open_with_trace  (char *, int, char *, int);
  69 extern  int   close_with_trace (int, char *, int);
  70 extern  void  procfs_note      (char *, char *, int);
  71
  72 #ifdef PROCFS_TRACE
  73 /*
  74  * Debugging code:
  75  *
  76  * These macros allow me to trace the system calls that we make
  77  * to control the child process.  This is quite handy for comparing
  78  * with the older version of procfs.
  79  */
  80
  81 #define write(X,Y,Z)   write_with_trace (X, Y, Z, __FILE__, __LINE__)
  82 #define lseek(X,Y,Z)   lseek_with_trace (X, Y, Z, __FILE__, __LINE__)
  83 #define ioctl(X,Y,Z)   ioctl_with_trace (X, Y, Z, __FILE__, __LINE__)
  84 #define open(X,Y)      open_with_trace  (X, Y,    __FILE__, __LINE__)
  85 #define close(X)       close_with_trace (X,       __FILE__, __LINE__)
  86 #define wait(X)        wait_with_trace  (X,       __FILE__, __LINE__)
  87 #endif
  88 #define PROCFS_NOTE(X) procfs_note      (X,       __FILE__, __LINE__)
  89 #define PROC_PRETTYFPRINT_STATUS(X,Y,Z,T) \
  90      proc_prettyfprint_status (X, Y, Z, T)
  91
  92 /* Define the type (and more importantly the width) of the control
  93    word used to write to the /proc/PID/ctl file. */
  94 #if defined (PROC_CTL_WORD_TYPE)
  95 typedef PROC_CTL_WORD_TYPE procfs_ctl_t;
  96 #else
  97 typedef long procfs_ctl_t;
  98 #endif
  99
 100
 101 /* From procfs.c */
 102
 103 extern ptid_t procfs_first_available (void);