proc-utils.h revision 98944 
1/* Machine independent support for SVR4 /proc (process file system) for GDB.
2   Copyright 1999, 2000 Free Software Foundation, Inc.
3
4This file is part of GDB.
5
6This program is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 2 of the License, or
9(at your option) any later version.
10
11This program is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with this program; if not, write to the Free Software Foundation,
18Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
19
20
21/*
22 * Pretty-print functions for /proc data
23 */
24
25extern void
26proc_prettyprint_why (unsigned long why, unsigned long what, int verbose);
27
28extern void
29proc_prettyprint_syscalls (sysset_t *sysset, int verbose);
30
31extern void
32proc_prettyprint_syscall (int num, int verbose);
33
34extern void proc_prettyprint_flags (unsigned long flags, int verbose);
35
36extern void
37proc_prettyfprint_signalset (FILE *file, sigset_t *sigset, int verbose);
38
39extern void
40proc_prettyfprint_faultset (FILE *file, fltset_t *fltset, int verbose);
41
42extern void
43proc_prettyfprint_syscall (FILE *file, int num, int verbose);
44
45extern void
46proc_prettyfprint_signal (FILE *file, int signo, int verbose);
47
48extern void
49proc_prettyfprint_flags (FILE *file, unsigned long flags, int verbose);
50
51extern void
52proc_prettyfprint_why (FILE *file, unsigned long why,
53		       unsigned long what, int verbose);
54
55extern void
56proc_prettyfprint_fault (FILE *file, int faultno, int verbose);
57
58extern void
59proc_prettyfprint_syscalls (FILE *file, sysset_t *sysset, int verbose);
60
61extern void
62proc_prettyfprint_status (long, int, int, int);
63
64/*
65 * Trace functions for /proc api.
66 */
67
68extern  int   write_with_trace (int, void *, size_t, char *, int);
69extern  off_t lseek_with_trace (int, off_t,  int,    char *, int);
70extern  int   ioctl_with_trace (int, long, void *, char *, int);
71extern  pid_t wait_with_trace  (int *, char *, int);
72extern  int   open_with_trace  (char *, int, char *, int);
73extern  int   close_with_trace (int, char *, int);
74extern  void  procfs_note      (char *, char *, int);
75
76#ifdef PROCFS_TRACE
77/*
78 * Debugging code:
79 *
80 * These macros allow me to trace the system calls that we make
81 * to control the child process.  This is quite handy for comparing
82 * with the older version of procfs.
83 */
84
85#define write(X,Y,Z)   write_with_trace (X, Y, Z, __FILE__, __LINE__)
86#define lseek(X,Y,Z)   lseek_with_trace (X, Y, Z, __FILE__, __LINE__)
87#define ioctl(X,Y,Z)   ioctl_with_trace (X, Y, Z, __FILE__, __LINE__)
88#define open(X,Y)      open_with_trace  (X, Y,    __FILE__, __LINE__)
89#define close(X)       close_with_trace (X,       __FILE__, __LINE__)
90#define wait(X)        wait_with_trace  (X,       __FILE__, __LINE__)
91#endif
92#define PROCFS_NOTE(X) procfs_note      (X,       __FILE__, __LINE__)
93#define PROC_PRETTYFPRINT_STATUS(X,Y,Z,T) \
94     proc_prettyfprint_status (X, Y, Z, T)
95
96/* Define the type (and more importantly the width) of the control
97   word used to write to the /proc/PID/ctl file. */
98#if defined (PROC_CTL_WORD_TYPE)
99typedef PROC_CTL_WORD_TYPE procfs_ctl_t;
100#else
101typedef long procfs_ctl_t;
102#endif
103