1 /* Machine independent support for SVR4 /proc (process file system) for GDB. 2 Copyright (C) 1999-2017 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 /* From proc-why.c */ 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_signalset (sigset_t *sigset, int verbose); 33 34 extern void proc_prettyprint_signal (int signo, int verbose); 35 36 extern void proc_prettyprint_faultset (fltset_t *fltset, int verbose); 37 38 extern void proc_prettyprint_fault (int faultno, int verbose); 39 40 extern void proc_prettyprint_actionset (struct sigaction *actions, 41 int verbose); 42 43 extern void proc_prettyfprint_signalset (FILE *file, sigset_t *sigset, 44 int verbose); 45 46 extern void proc_prettyfprint_faultset (FILE *file, fltset_t *fltset, 47 int verbose); 48 49 extern void proc_prettyfprint_syscall (FILE *file, int num, int verbose); 50 51 extern void proc_prettyfprint_signal (FILE *file, int signo, int verbose); 52 53 extern void proc_prettyfprint_flags (FILE *file, unsigned long flags, 54 int verbose); 55 56 extern void proc_prettyfprint_why (FILE *file, unsigned long why, 57 unsigned long what, int verbose); 58 59 extern void proc_prettyfprint_fault (FILE *file, int faultno, int verbose); 60 61 extern void proc_prettyfprint_syscalls (FILE *file, sysset_t *sysset, 62 int verbose); 63 64 extern void proc_prettyfprint_status (long, int, int, int); 65 66 67 /* From proc-flags.c */ 68 69 /* 70 * Pretty-print the prstatus flags. 71 */ 72 73 extern void proc_prettyprint_flags (unsigned long flags, int verbose); 74 75 extern void proc_prettyfprint_flags (FILE *file, unsigned long flags, 76 int verbose); 77 78 79 /* From proc-api.c */ 80 81 /* 82 * Trace functions for /proc api. 83 */ 84 85 extern int write_with_trace (int, void *, size_t, char *, int); 86 extern off_t lseek_with_trace (int, off_t, int, char *, int); 87 extern int ioctl_with_trace (int, long, void *, char *, int); 88 extern pid_t wait_with_trace (int *, char *, int); 89 extern int open_with_trace (char *, int, char *, int); 90 extern int close_with_trace (int, char *, int); 91 extern void procfs_note (const char *, const char *, int); 92 93 #ifdef PROCFS_TRACE 94 /* 95 * Debugging code: 96 * 97 * These macros allow me to trace the system calls that we make 98 * to control the child process. This is quite handy for comparing 99 * with the older version of procfs. 100 */ 101 102 #define write(X,Y,Z) write_with_trace (X, Y, Z, __FILE__, __LINE__) 103 #define lseek(X,Y,Z) lseek_with_trace (X, Y, Z, __FILE__, __LINE__) 104 #define ioctl(X,Y,Z) ioctl_with_trace (X, Y, Z, __FILE__, __LINE__) 105 #define open(X,Y) open_with_trace (X, Y, __FILE__, __LINE__) 106 #define close(X) close_with_trace (X, __FILE__, __LINE__) 107 #define wait(X) wait_with_trace (X, __FILE__, __LINE__) 108 #endif 109 #define PROCFS_NOTE(X) procfs_note (X, __FILE__, __LINE__) 110 #define PROC_PRETTYFPRINT_STATUS(X,Y,Z,T) \ 111 proc_prettyfprint_status (X, Y, Z, T) 112 113 /* Define the type (and more importantly the width) of the control 114 word used to write to the /proc/PID/ctl file. */ 115 #if defined (PROC_CTL_WORD_TYPE) 116 typedef PROC_CTL_WORD_TYPE procfs_ctl_t; 117 #else 118 typedef long procfs_ctl_t; 119 #endif 120