1 /* Machine-independent support for SVR4 /proc (process file system)
3 Copyright (C) 1999, 2000, 2004, 2007, 2008 Free Software Foundation, Inc.
5 Written by Michael Snyder at Cygnus Solutions.
6 Based on work by Fred Fish, Stu Grossman, Geoff Noer, and others.
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.
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.
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/>. */
24 #define _STRUCTURED_PROC 1
28 #include <sys/types.h>
29 #include <sys/procfs.h>
31 #include "proc-utils.h"
33 /* Much of the information used in the /proc interface, particularly
34 for printing status information, is kept as tables of structures of
35 the following form. These tables can be used to map numeric values
36 to their symbolic names and to a string that describes their
41 int value
; /* The numeric value. */
42 char *name
; /* The equivalent symbolic value. */
43 char *desc
; /* Short description of value. */
46 /* Translate values in the pr_why field of a `struct prstatus' or
47 `struct lwpstatus'. */
49 static struct trans pr_why_table
[] =
51 #if defined (PR_REQUESTED)
53 { PR_REQUESTED
, "PR_REQUESTED",
54 "Directed to stop by debugger via P(IO)CSTOP or P(IO)CWSTOP" },
56 #if defined (PR_SIGNALLED)
58 { PR_SIGNALLED
, "PR_SIGNALLED", "Receipt of a traced signal" },
60 #if defined (PR_SYSENTRY)
62 { PR_SYSENTRY
, "PR_SYSENTRY", "Entry to a traced system call" },
64 #if defined (PR_SYSEXIT)
66 { PR_SYSEXIT
, "PR_SYSEXIT", "Exit from a traced system call" },
68 #if defined (PR_JOBCONTROL)
70 { PR_JOBCONTROL
, "PR_JOBCONTROL", "Default job control stop signal action" },
72 #if defined (PR_FAULTED)
74 { PR_FAULTED
, "PR_FAULTED", "Incurred a traced hardware fault" },
76 #if defined (PR_SUSPENDED)
77 /* Solaris and UnixWare. */
78 { PR_SUSPENDED
, "PR_SUSPENDED", "Process suspended" },
80 #if defined (PR_CHECKPOINT)
82 { PR_CHECKPOINT
, "PR_CHECKPOINT", "Process stopped at checkpoint" },
84 #if defined (PR_FORKSTOP)
86 { PR_FORKSTOP
, "PR_FORKSTOP", "Process stopped at end of fork call" },
88 #if defined (PR_TCRSTOP)
90 { PR_TCRSTOP
, "PR_TCRSTOP", "Process stopped on thread creation" },
92 #if defined (PR_TTSTOP)
94 { PR_TTSTOP
, "PR_TTSTOP", "Process stopped on thread termination" },
98 { PR_DEAD
, "PR_DEAD", "Process stopped in exit system call" },
102 /* Pretty-print the pr_why field of a `struct prstatus' or `struct
106 proc_prettyfprint_why (FILE *file
, unsigned long why
, unsigned long what
,
114 for (i
= 0; i
< ARRAY_SIZE (pr_why_table
); i
++)
115 if (why
== pr_why_table
[i
].value
)
117 fprintf (file
, "%s ", pr_why_table
[i
].name
);
119 fprintf (file
, ": %s ", pr_why_table
[i
].desc
);
124 break; /* Nothing more to print. */
128 proc_prettyfprint_signal (file
, what
, verbose
);
133 proc_prettyfprint_fault (file
, what
, verbose
);
138 fprintf (file
, "Entry to ");
139 proc_prettyfprint_syscall (file
, what
, verbose
);
144 fprintf (file
, "Exit from ");
145 proc_prettyfprint_syscall (file
, what
, verbose
);
150 proc_prettyfprint_signal (file
, what
, verbose
);
155 fprintf (file
, "Exit status: %ld\n", what
);
159 fprintf (file
, "Unknown why %ld, what %ld\n", why
, what
);
162 fprintf (file
, "\n");
167 fprintf (file
, "Unknown pr_why.\n");
171 proc_prettyprint_why (unsigned long why
, unsigned long what
, int verbose
)
173 proc_prettyfprint_why (stdout
, why
, what
, verbose
);
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