gdb/proc-utils.h

   1 /* Machine independent support for SVR4 /proc (process file system) for GDB.
   2    Copyright (C) 1999-2020 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 #ifndef PROC_UTILS_H
  20 #define PROC_UTILS_H
  21
  22 /* From proc-why.c */
  23
  24 /*
  25  * Pretty-print functions for /proc data
  26  */
  27
  28 extern void proc_prettyprint_why (unsigned long why, unsigned long what,
  29                                   int verbose);
  30
  31 extern void proc_prettyprint_syscalls (sysset_t *sysset, int verbose);
  32
  33 extern void proc_prettyprint_syscall (int num, int verbose);
  34
  35 extern void proc_prettyprint_signalset (sigset_t *sigset, int verbose);
  36
  37 extern void proc_prettyprint_signal (int signo, int verbose);
  38
  39 extern void proc_prettyprint_faultset (fltset_t *fltset, int verbose);
  40
  41 extern void proc_prettyprint_fault (int faultno, int verbose);
  42
  43 extern void proc_prettyprint_actionset (struct sigaction *actions,
  44                                         int verbose);
  45
  46 extern void proc_prettyfprint_signalset (FILE *file, sigset_t *sigset,
  47                                          int verbose);
  48
  49 extern void proc_prettyfprint_faultset (FILE *file, fltset_t *fltset,
  50                                         int verbose);
  51
  52 extern void proc_prettyfprint_syscall (FILE *file, int num, int verbose);
  53
  54 extern void proc_prettyfprint_signal (FILE *file, int signo, int verbose);
  55
  56 extern void proc_prettyfprint_flags (FILE *file, unsigned long flags,
  57                                      int verbose);
  58
  59 extern void proc_prettyfprint_why (FILE *file, unsigned long why,
  60                                    unsigned long what, int verbose);
  61
  62 extern void proc_prettyfprint_fault (FILE *file, int faultno, int verbose);
  63
  64 extern void proc_prettyfprint_syscalls (FILE *file, sysset_t *sysset,
  65                                         int verbose);
  66
  67 extern void proc_prettyfprint_status (long, int, int, int);
  68
  69
  70 /* From proc-flags.c */
  71
  72 /*
  73  * Pretty-print the prstatus flags.
  74  */
  75
  76 extern void proc_prettyprint_flags (unsigned long flags, int verbose);
  77
  78 extern void proc_prettyfprint_flags (FILE *file, unsigned long flags,
  79                                      int verbose);
  80
  81
  82 /* From proc-api.c */
  83
  84 /*
  85  * Trace functions for /proc api.
  86  */
  87
  88 extern  int   write_with_trace (int, void *, size_t, char *, int);
  89 extern  off_t lseek_with_trace (int, off_t,  int,    char *, int);
  90 extern  int   ioctl_with_trace (int, long, void *, char *, int);
  91 extern  pid_t wait_with_trace  (int *, char *, int);
  92 extern  int   open_with_trace  (char *, int, char *, int);
  93 extern  int   close_with_trace (int, char *, int);
  94 extern  void  procfs_note      (const char *, const char *, int);
  95
  96 #ifdef PROCFS_TRACE
  97 /*
  98  * Debugging code:
  99  *
 100  * These macros allow me to trace the system calls that we make
 101  * to control the child process.  This is quite handy for comparing
 102  * with the older version of procfs.
 103  */
 104
 105 #define write(X,Y,Z)   write_with_trace (X, Y, Z, __FILE__, __LINE__)
 106 #define lseek(X,Y,Z)   lseek_with_trace (X, Y, Z, __FILE__, __LINE__)
 107 #define ioctl(X,Y,Z)   ioctl_with_trace (X, Y, Z, __FILE__, __LINE__)
 108 #define open(X,Y)      open_with_trace  (X, Y,    __FILE__, __LINE__)
 109 #define close(X)       close_with_trace (X,       __FILE__, __LINE__)
 110 #define wait(X)        wait_with_trace  (X,       __FILE__, __LINE__)
 111 #endif
 112 #define PROCFS_NOTE(X) procfs_note      (X,       __FILE__, __LINE__)
 113 #define PROC_PRETTYFPRINT_STATUS(X,Y,Z,T) \
 114      proc_prettyfprint_status (X, Y, Z, T)
 115
 116 /* Define the type (and more importantly the width) of the control
 117    word used to write to the /proc/PID/ctl file.  */
 118 typedef long procfs_ctl_t;
 119
 120 #endif /* PROC_UTILS_H */