| 1 |
330 |
jeremybenn |
/* Machine independent support for SVR4 /proc (process file system) for GDB.
|
| 2 |
|
|
Copyright (C) 1999, 2000, 2007, 2008, 2009, 2010
|
| 3 |
|
|
Free Software Foundation, Inc.
|
| 4 |
|
|
|
| 5 |
|
|
This file is part of GDB.
|
| 6 |
|
|
|
| 7 |
|
|
This program is free software; you can redistribute it and/or modify
|
| 8 |
|
|
it under the terms of the GNU General Public License as published by
|
| 9 |
|
|
the Free Software Foundation; either version 3 of the License, or
|
| 10 |
|
|
(at your option) any later version.
|
| 11 |
|
|
|
| 12 |
|
|
This program is distributed in the hope that it will be useful,
|
| 13 |
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 14 |
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 15 |
|
|
GNU General Public License for more details.
|
| 16 |
|
|
|
| 17 |
|
|
You should have received a copy of the GNU General Public License
|
| 18 |
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
| 19 |
|
|
|
| 20 |
|
|
/* From proc-why.c */
|
| 21 |
|
|
|
| 22 |
|
|
/*
|
| 23 |
|
|
* Pretty-print functions for /proc data
|
| 24 |
|
|
*/
|
| 25 |
|
|
|
| 26 |
|
|
extern void proc_prettyprint_why (unsigned long why, unsigned long what,
|
| 27 |
|
|
int verbose);
|
| 28 |
|
|
|
| 29 |
|
|
extern void proc_prettyprint_syscalls (sysset_t *sysset, int verbose);
|
| 30 |
|
|
|
| 31 |
|
|
extern void proc_prettyprint_syscall (int num, int verbose);
|
| 32 |
|
|
|
| 33 |
|
|
extern void proc_prettyprint_flags (unsigned long flags, int verbose);
|
| 34 |
|
|
|
| 35 |
|
|
extern void proc_prettyfprint_signalset (FILE *file, sigset_t *sigset,
|
| 36 |
|
|
int verbose);
|
| 37 |
|
|
|
| 38 |
|
|
extern void proc_prettyfprint_faultset (FILE *file, fltset_t *fltset,
|
| 39 |
|
|
int verbose);
|
| 40 |
|
|
|
| 41 |
|
|
extern void proc_prettyfprint_syscall (FILE *file, int num, int verbose);
|
| 42 |
|
|
|
| 43 |
|
|
extern void proc_prettyfprint_signal (FILE *file, int signo, int verbose);
|
| 44 |
|
|
|
| 45 |
|
|
extern void proc_prettyfprint_flags (FILE *file, unsigned long flags,
|
| 46 |
|
|
int verbose);
|
| 47 |
|
|
|
| 48 |
|
|
extern void proc_prettyfprint_why (FILE *file, unsigned long why,
|
| 49 |
|
|
unsigned long what, int verbose);
|
| 50 |
|
|
|
| 51 |
|
|
extern void proc_prettyfprint_fault (FILE *file, int faultno, int verbose);
|
| 52 |
|
|
|
| 53 |
|
|
extern void proc_prettyfprint_syscalls (FILE *file, sysset_t *sysset,
|
| 54 |
|
|
int verbose);
|
| 55 |
|
|
|
| 56 |
|
|
extern void proc_prettyfprint_status (long, int, int, int);
|
| 57 |
|
|
|
| 58 |
|
|
|
| 59 |
|
|
/* From proc-api.c */
|
| 60 |
|
|
|
| 61 |
|
|
/*
|
| 62 |
|
|
* Trace functions for /proc api.
|
| 63 |
|
|
*/
|
| 64 |
|
|
|
| 65 |
|
|
extern int write_with_trace (int, void *, size_t, char *, int);
|
| 66 |
|
|
extern off_t lseek_with_trace (int, off_t, int, char *, int);
|
| 67 |
|
|
extern int ioctl_with_trace (int, long, void *, char *, int);
|
| 68 |
|
|
extern pid_t wait_with_trace (int *, char *, int);
|
| 69 |
|
|
extern int open_with_trace (char *, int, char *, int);
|
| 70 |
|
|
extern int close_with_trace (int, char *, int);
|
| 71 |
|
|
extern void procfs_note (char *, char *, int);
|
| 72 |
|
|
|
| 73 |
|
|
#ifdef PROCFS_TRACE
|
| 74 |
|
|
/*
|
| 75 |
|
|
* Debugging code:
|
| 76 |
|
|
*
|
| 77 |
|
|
* These macros allow me to trace the system calls that we make
|
| 78 |
|
|
* to control the child process. This is quite handy for comparing
|
| 79 |
|
|
* with the older version of procfs.
|
| 80 |
|
|
*/
|
| 81 |
|
|
|
| 82 |
|
|
#define write(X,Y,Z) write_with_trace (X, Y, Z, __FILE__, __LINE__)
|
| 83 |
|
|
#define lseek(X,Y,Z) lseek_with_trace (X, Y, Z, __FILE__, __LINE__)
|
| 84 |
|
|
#define ioctl(X,Y,Z) ioctl_with_trace (X, Y, Z, __FILE__, __LINE__)
|
| 85 |
|
|
#define open(X,Y) open_with_trace (X, Y, __FILE__, __LINE__)
|
| 86 |
|
|
#define close(X) close_with_trace (X, __FILE__, __LINE__)
|
| 87 |
|
|
#define wait(X) wait_with_trace (X, __FILE__, __LINE__)
|
| 88 |
|
|
#endif
|
| 89 |
|
|
#define PROCFS_NOTE(X) procfs_note (X, __FILE__, __LINE__)
|
| 90 |
|
|
#define PROC_PRETTYFPRINT_STATUS(X,Y,Z,T) \
|
| 91 |
|
|
proc_prettyfprint_status (X, Y, Z, T)
|
| 92 |
|
|
|
| 93 |
|
|
/* Define the type (and more importantly the width) of the control
|
| 94 |
|
|
word used to write to the /proc/PID/ctl file. */
|
| 95 |
|
|
#if defined (PROC_CTL_WORD_TYPE)
|
| 96 |
|
|
typedef PROC_CTL_WORD_TYPE procfs_ctl_t;
|
| 97 |
|
|
#else
|
| 98 |
|
|
typedef long procfs_ctl_t;
|
| 99 |
|
|
#endif
|
