1 /* Machine independent support for SVR4 /proc (process file system) for GDB. 2 Copyright 1999, 2000 Free Software Foundation, Inc. 3 Written by Michael Snyder at Cygnus Solutions. 4 Based on work by Fred Fish, Stu Grossman, Geoff Noer, and others. 5 6 This file is part of GDB. 7 8 This program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 2 of the License, or 11 (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program; if not, write to the Free Software Foundation, 20 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 21 22 /* 23 * Pretty-print the pr_why value. 24 * 25 * Arguments: unsigned long flags, int verbose 26 * 27 */ 28 29 #include "defs.h" 30 31 #if defined(NEW_PROC_API) 32 #define _STRUCTURED_PROC 1 33 #endif 34 35 #include <stdio.h> 36 #include <sys/types.h> 37 #include <sys/procfs.h> 38 39 #include "proc-utils.h" 40 41 /* Much of the information used in the /proc interface, particularly for 42 printing status information, is kept as tables of structures of the 43 following form. These tables can be used to map numeric values to 44 their symbolic names and to a string that describes their specific use. */ 45 46 struct trans { 47 int value; /* The numeric value */ 48 char *name; /* The equivalent symbolic value */ 49 char *desc; /* Short description of value */ 50 }; 51 52 /* Translate values in the pr_why field of the prstatus struct. */ 53 54 static struct trans pr_why_table[] = 55 { 56 #if defined (PR_REQUESTED) 57 /* All platforms */ 58 { PR_REQUESTED, "PR_REQUESTED", 59 "Directed to stop by debugger via P(IO)CSTOP or P(IO)CWSTOP" }, 60 #endif 61 #if defined (PR_SIGNALLED) 62 /* All platforms */ 63 { PR_SIGNALLED, "PR_SIGNALLED", "Receipt of a traced signal" }, 64 #endif 65 #if defined (PR_SYSENTRY) 66 /* All platforms */ 67 { PR_SYSENTRY, "PR_SYSENTRY", "Entry to a traced system call" }, 68 #endif 69 #if defined (PR_SYSEXIT) 70 /* All platforms */ 71 { PR_SYSEXIT, "PR_SYSEXIT", "Exit from a traced system call" }, 72 #endif 73 #if defined (PR_JOBCONTROL) 74 /* All platforms */ 75 { PR_JOBCONTROL, "PR_JOBCONTROL", "Default job control stop signal action" }, 76 #endif 77 #if defined (PR_FAULTED) 78 /* All platforms */ 79 { PR_FAULTED, "PR_FAULTED", "Incurred a traced hardware fault" }, 80 #endif 81 #if defined (PR_SUSPENDED) 82 /* Solaris and UnixWare */ 83 { PR_SUSPENDED, "PR_SUSPENDED", "Process suspended" }, 84 #endif 85 #if defined (PR_CHECKPOINT) 86 /* Solaris only */ 87 { PR_CHECKPOINT, "PR_CHECKPOINT", "Process stopped at checkpoint" }, 88 #endif 89 #if defined (PR_FORKSTOP) 90 /* OSF only */ 91 { PR_FORKSTOP, "PR_FORKSTOP", "Process stopped at end of fork call" }, 92 #endif 93 #if defined (PR_TCRSTOP) 94 /* OSF only */ 95 { PR_TCRSTOP, "PR_TCRSTOP", "Process stopped on thread creation" }, 96 #endif 97 #if defined (PR_TTSTOP) 98 /* OSF only */ 99 { PR_TTSTOP, "PR_TTSTOP", "Process stopped on thread termination" }, 100 #endif 101 #if defined (PR_DEAD) 102 /* OSF only */ 103 { PR_DEAD, "PR_DEAD", "Process stopped in exit system call" }, 104 #endif 105 }; 106 107 void 108 proc_prettyfprint_why (FILE *file, unsigned long why, unsigned long what, 109 int verbose) 110 { 111 int i; 112 113 if (why == 0) 114 return; 115 116 for (i = 0; i < sizeof (pr_why_table) / sizeof (pr_why_table[0]); i++) 117 if (why == pr_why_table[i].value) 118 { 119 fprintf (file, "%s ", pr_why_table[i].name); 120 if (verbose) 121 fprintf (file, ": %s ", pr_why_table[i].desc); 122 123 switch (why) { 124 #ifdef PR_REQUESTED 125 case PR_REQUESTED: 126 break; /* Nothing more to print. */ 127 #endif 128 #ifdef PR_SIGNALLED 129 case PR_SIGNALLED: 130 proc_prettyfprint_signal (file, what, verbose); 131 break; 132 #endif 133 #ifdef PR_FAULTED 134 case PR_FAULTED: 135 proc_prettyfprint_fault (file, what, verbose); 136 break; 137 #endif 138 #ifdef PR_SYSENTRY 139 case PR_SYSENTRY: 140 fprintf (file, "Entry to "); 141 proc_prettyfprint_syscall (file, what, verbose); 142 break; 143 #endif 144 #ifdef PR_SYSEXIT 145 case PR_SYSEXIT: 146 fprintf (file, "Exit from "); 147 proc_prettyfprint_syscall (file, what, verbose); 148 break; 149 #endif 150 #ifdef PR_JOBCONTROL 151 case PR_JOBCONTROL: 152 proc_prettyfprint_signal (file, what, verbose); 153 break; 154 #endif 155 #ifdef PR_DEAD 156 case PR_DEAD: 157 fprintf (file, "Exit status: %ld\n", what); 158 break; 159 #endif 160 default: 161 fprintf (file, "Unknown why %ld, what %ld\n", why, what); 162 break; 163 } 164 fprintf (file, "\n"); 165 166 return; 167 } 168 fprintf (file, "Unknown pr_why.\n"); 169 } 170 171 void 172 proc_prettyprint_why (unsigned long why, unsigned long what, int verbose) 173 { 174 proc_prettyfprint_why (stdout, why, what, verbose); 175 } 176