| 1 | /* Machine independent support for SVR4 /proc (process file system) for GDB. |
| 2 | Copyright 1999, 2000 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 2 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, write to the Free Software Foundation, |
| 18 | Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 19 | |
| 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_flags (unsigned long flags, int verbose); |
| 33 | |
| 34 | extern void proc_prettyfprint_signalset (FILE *file, sigset_t *sigset, |
| 35 | int verbose); |
| 36 | |
| 37 | extern void proc_prettyfprint_faultset (FILE *file, fltset_t *fltset, |
| 38 | int verbose); |
| 39 | |
| 40 | extern void proc_prettyfprint_syscall (FILE *file, int num, int verbose); |
| 41 | |
| 42 | extern void proc_prettyfprint_signal (FILE *file, int signo, int verbose); |
| 43 | |
| 44 | extern void proc_prettyfprint_flags (FILE *file, unsigned long flags, |
| 45 | int verbose); |
| 46 | |
| 47 | extern void proc_prettyfprint_why (FILE *file, unsigned long why, |
| 48 | unsigned long what, int verbose); |
| 49 | |
| 50 | extern void proc_prettyfprint_fault (FILE *file, int faultno, int verbose); |
| 51 | |
| 52 | extern void proc_prettyfprint_syscalls (FILE *file, sysset_t *sysset, |
| 53 | int verbose); |
| 54 | |
| 55 | extern void proc_prettyfprint_status (long, int, int, int); |
| 56 | |
| 57 | /* |
| 58 | * Trace functions for /proc api. |
| 59 | */ |
| 60 | |
| 61 | extern int write_with_trace (int, void *, size_t, char *, int); |
| 62 | extern off_t lseek_with_trace (int, off_t, int, char *, int); |
| 63 | extern int ioctl_with_trace (int, long, void *, char *, int); |
| 64 | extern pid_t wait_with_trace (int *, char *, int); |
| 65 | extern int open_with_trace (char *, int, char *, int); |
| 66 | extern int close_with_trace (int, char *, int); |
| 67 | extern void procfs_note (char *, char *, int); |
| 68 | |
| 69 | #ifdef PROCFS_TRACE |
| 70 | /* |
| 71 | * Debugging code: |
| 72 | * |
| 73 | * These macros allow me to trace the system calls that we make |
| 74 | * to control the child process. This is quite handy for comparing |
| 75 | * with the older version of procfs. |
| 76 | */ |
| 77 | |
| 78 | #define write(X,Y,Z) write_with_trace (X, Y, Z, __FILE__, __LINE__) |
| 79 | #define lseek(X,Y,Z) lseek_with_trace (X, Y, Z, __FILE__, __LINE__) |
| 80 | #define ioctl(X,Y,Z) ioctl_with_trace (X, Y, Z, __FILE__, __LINE__) |
| 81 | #define open(X,Y) open_with_trace (X, Y, __FILE__, __LINE__) |
| 82 | #define close(X) close_with_trace (X, __FILE__, __LINE__) |
| 83 | #define wait(X) wait_with_trace (X, __FILE__, __LINE__) |
| 84 | #endif |
| 85 | #define PROCFS_NOTE(X) procfs_note (X, __FILE__, __LINE__) |
| 86 | #define PROC_PRETTYFPRINT_STATUS(X,Y,Z,T) \ |
| 87 | proc_prettyfprint_status (X, Y, Z, T) |
| 88 | |
| 89 | /* Define the type (and more importantly the width) of the control |
| 90 | word used to write to the /proc/PID/ctl file. */ |
| 91 | #if defined (PROC_CTL_WORD_TYPE) |
| 92 | typedef PROC_CTL_WORD_TYPE procfs_ctl_t; |
| 93 | #else |
| 94 | typedef long procfs_ctl_t; |
| 95 | #endif |