gdb/proc-utils.h

   1 /* Machine independent support for SVR4 /proc (process file system) for GDB.
   2    Copyright (C) 1999-2018 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_signalset (sigset_t *sigset, int verbose);
  33
  34 extern void proc_prettyprint_signal (int signo, int verbose);
  35
  36 extern void proc_prettyprint_faultset (fltset_t *fltset, int verbose);
  37
  38 extern void proc_prettyprint_fault (int faultno, int verbose);
  39
  40 extern void proc_prettyprint_actionset (struct sigaction *actions,
  41                                         int verbose);
  42
  43 extern void proc_prettyfprint_signalset (FILE *file, sigset_t *sigset,
  44                                          int verbose);
  45
  46 extern void proc_prettyfprint_faultset (FILE *file, fltset_t *fltset,
  47                                         int verbose);
  48
  49 extern void proc_prettyfprint_syscall (FILE *file, int num, int verbose);
  50
  51 extern void proc_prettyfprint_signal (FILE *file, int signo, int verbose);
  52
  53 extern void proc_prettyfprint_flags (FILE *file, unsigned long flags,
  54                                      int verbose);
  55
  56 extern void proc_prettyfprint_why (FILE *file, unsigned long why,
  57                                    unsigned long what, int verbose);
  58
  59 extern void proc_prettyfprint_fault (FILE *file, int faultno, int verbose);
  60
  61 extern void proc_prettyfprint_syscalls (FILE *file, sysset_t *sysset,
  62                                         int verbose);
  63
  64 extern void proc_prettyfprint_status (long, int, int, int);
  65
  66
  67 /* From proc-flags.c */
  68
  69 /*
  70  * Pretty-print the prstatus flags.
  71  */
  72
  73 extern void proc_prettyprint_flags (unsigned long flags, int verbose);
  74
  75 extern void proc_prettyfprint_flags (FILE *file, unsigned long flags,
  76                                      int verbose);
  77
  78
  79 /* From proc-api.c */
  80
  81 /*
  82  * Trace functions for /proc api.
  83  */
  84
  85 extern  int   write_with_trace (int, void *, size_t, char *, int);
  86 extern  off_t lseek_with_trace (int, off_t,  int,    char *, int);
  87 extern  int   ioctl_with_trace (int, long, void *, char *, int);
  88 extern  pid_t wait_with_trace  (int *, char *, int);
  89 extern  int   open_with_trace  (char *, int, char *, int);
  90 extern  int   close_with_trace (int, char *, int);
  91 extern  void  procfs_note      (const char *, const char *, int);
  92
  93 #ifdef PROCFS_TRACE
  94 /*
  95  * Debugging code:
  96  *
  97  * These macros allow me to trace the system calls that we make
  98  * to control the child process.  This is quite handy for comparing
  99  * with the older version of procfs.
 100  */
 101
 102 #define write(X,Y,Z)   write_with_trace (X, Y, Z, __FILE__, __LINE__)
 103 #define lseek(X,Y,Z)   lseek_with_trace (X, Y, Z, __FILE__, __LINE__)
 104 #define ioctl(X,Y,Z)   ioctl_with_trace (X, Y, Z, __FILE__, __LINE__)
 105 #define open(X,Y)      open_with_trace  (X, Y,    __FILE__, __LINE__)
 106 #define close(X)       close_with_trace (X,       __FILE__, __LINE__)
 107 #define wait(X)        wait_with_trace  (X,       __FILE__, __LINE__)
 108 #endif
 109 #define PROCFS_NOTE(X) procfs_note      (X,       __FILE__, __LINE__)
 110 #define PROC_PRETTYFPRINT_STATUS(X,Y,Z,T) \
 111      proc_prettyfprint_status (X, Y, Z, T)
 112
 113 /* Define the type (and more importantly the width) of the control
 114    word used to write to the /proc/PID/ctl file.  */
 115 #if defined (PROC_CTL_WORD_TYPE)
 116 typedef PROC_CTL_WORD_TYPE procfs_ctl_t;
 117 #else
 118 typedef long procfs_ctl_t;
 119 #endif