1/* Machine independent support for SVR4 /proc (process file system) for GDB.
2   Copyright (C) 1999, 2000, 2007 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
20/*
21 * Pretty-print functions for /proc data
22 */
23
24extern void proc_prettyprint_why (unsigned long why, unsigned long what,
25				  int verbose);
26
27extern void proc_prettyprint_syscalls (sysset_t *sysset, int verbose);
28
29extern void proc_prettyprint_syscall (int num, int verbose);
30
31extern void proc_prettyprint_flags (unsigned long flags, int verbose);
32
33extern void proc_prettyfprint_signalset (FILE *file, sigset_t *sigset,
34					 int verbose);
35
36extern void proc_prettyfprint_faultset (FILE *file, fltset_t *fltset,
37					int verbose);
38
39extern void proc_prettyfprint_syscall (FILE *file, int num, int verbose);
40
41extern void proc_prettyfprint_signal (FILE *file, int signo, int verbose);
42
43extern void proc_prettyfprint_flags (FILE *file, unsigned long flags,
44				     int verbose);
45
46extern void proc_prettyfprint_why (FILE *file, unsigned long why,
47				   unsigned long what, int verbose);
48
49extern void proc_prettyfprint_fault (FILE *file, int faultno, int verbose);
50
51extern void proc_prettyfprint_syscalls (FILE *file, sysset_t *sysset,
52					int verbose);
53
54extern void proc_prettyfprint_status (long, int, int, int);
55
56/*
57 * Trace functions for /proc api.
58 */
59
60extern  int   write_with_trace (int, void *, size_t, char *, int);
61extern  off_t lseek_with_trace (int, off_t,  int,    char *, int);
62extern  int   ioctl_with_trace (int, long, void *, char *, int);
63extern  pid_t wait_with_trace  (int *, char *, int);
64extern  int   open_with_trace  (char *, int, char *, int);
65extern  int   close_with_trace (int, char *, int);
66extern  void  procfs_note      (char *, char *, int);
67
68#ifdef PROCFS_TRACE
69/*
70 * Debugging code:
71 *
72 * These macros allow me to trace the system calls that we make
73 * to control the child process.  This is quite handy for comparing
74 * with the older version of procfs.
75 */
76
77#define write(X,Y,Z)   write_with_trace (X, Y, Z, __FILE__, __LINE__)
78#define lseek(X,Y,Z)   lseek_with_trace (X, Y, Z, __FILE__, __LINE__)
79#define ioctl(X,Y,Z)   ioctl_with_trace (X, Y, Z, __FILE__, __LINE__)
80#define open(X,Y)      open_with_trace  (X, Y,    __FILE__, __LINE__)
81#define close(X)       close_with_trace (X,       __FILE__, __LINE__)
82#define wait(X)        wait_with_trace  (X,       __FILE__, __LINE__)
83#endif
84#define PROCFS_NOTE(X) procfs_note      (X,       __FILE__, __LINE__)
85#define PROC_PRETTYFPRINT_STATUS(X,Y,Z,T) \
86     proc_prettyfprint_status (X, Y, Z, T)
87
88/* Define the type (and more importantly the width) of the control
89   word used to write to the /proc/PID/ctl file. */
90#if defined (PROC_CTL_WORD_TYPE)
91typedef PROC_CTL_WORD_TYPE procfs_ctl_t;
92#else
93typedef long procfs_ctl_t;
94#endif
95