1/* Machine-independent support for Solaris /proc (process file system) 2 3 Copyright (C) 1999-2023 Free Software Foundation, Inc. 4 5 Written by Michael Snyder at Cygnus Solutions. 6 Based on work by Fred Fish, Stu Grossman, Geoff Noer, and others. 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 3 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, see <http://www.gnu.org/licenses/>. */ 20 21#include "defs.h" 22 23#include <sys/types.h> 24#include <sys/procfs.h> 25 26#include "proc-utils.h" 27 28/* Much of the information used in the /proc interface, particularly 29 for printing status information, is kept as tables of structures of 30 the following form. These tables can be used to map numeric values 31 to their symbolic names and to a string that describes their 32 specific use. */ 33 34struct trans 35{ 36 int value; /* The numeric value. */ 37 const char *name; /* The equivalent symbolic value. */ 38 const char *desc; /* Short description of value. */ 39}; 40 41/* Translate values in the pr_why field of a `struct prstatus' or 42 `struct lwpstatus'. */ 43 44static struct trans pr_why_table[] = 45{ 46 { PR_REQUESTED, "PR_REQUESTED", 47 "Directed to stop by debugger via P(IO)CSTOP or P(IO)CWSTOP" }, 48 { PR_SIGNALLED, "PR_SIGNALLED", "Receipt of a traced signal" }, 49 { PR_SYSENTRY, "PR_SYSENTRY", "Entry to a traced system call" }, 50 { PR_SYSEXIT, "PR_SYSEXIT", "Exit from a traced system call" }, 51 { PR_JOBCONTROL, "PR_JOBCONTROL", "Default job control stop signal action" }, 52 { PR_FAULTED, "PR_FAULTED", "Incurred a traced hardware fault" }, 53 { PR_SUSPENDED, "PR_SUSPENDED", "Process suspended" }, 54 { PR_CHECKPOINT, "PR_CHECKPOINT", "Process stopped at checkpoint" }, 55}; 56 57/* Pretty-print the pr_why field of a `struct prstatus' or `struct 58 lwpstatus'. */ 59 60void 61proc_prettyfprint_why (FILE *file, unsigned long why, unsigned long what, 62 int verbose) 63{ 64 int i; 65 66 if (why == 0) 67 return; 68 69 for (i = 0; i < ARRAY_SIZE (pr_why_table); i++) 70 if (why == pr_why_table[i].value) 71 { 72 fprintf (file, "%s ", pr_why_table[i].name); 73 if (verbose) 74 fprintf (file, ": %s ", pr_why_table[i].desc); 75 76 switch (why) { 77 case PR_REQUESTED: 78 break; /* Nothing more to print. */ 79 case PR_SIGNALLED: 80 proc_prettyfprint_signal (file, what, verbose); 81 break; 82 case PR_FAULTED: 83 proc_prettyfprint_fault (file, what, verbose); 84 break; 85 case PR_SYSENTRY: 86 fprintf (file, "Entry to "); 87 proc_prettyfprint_syscall (file, what, verbose); 88 break; 89 case PR_SYSEXIT: 90 fprintf (file, "Exit from "); 91 proc_prettyfprint_syscall (file, what, verbose); 92 break; 93 case PR_JOBCONTROL: 94 proc_prettyfprint_signal (file, what, verbose); 95 break; 96 default: 97 fprintf (file, "Unknown why %ld, what %ld\n", why, what); 98 break; 99 } 100 fprintf (file, "\n"); 101 102 return; 103 } 104 105 fprintf (file, "Unknown pr_why.\n"); 106} 107 108void 109proc_prettyprint_why (unsigned long why, unsigned long what, int verbose) 110{ 111 proc_prettyfprint_why (stdout, why, what, verbose); 112} 113