1 /* Machine-independent support for SVR4 /proc (process file system)
3 Copyright (C) 1999-2015 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
27 #include <sys/types.h>
28 #include <sys/procfs.h>
30 #include "proc-utils.h"
32 /* Much of the information used in the /proc interface, particularly
33 for printing status information, is kept as tables of structures of
34 the following form. These tables can be used to map numeric values
35 to their symbolic names and to a string that describes their
40 int value
; /* The numeric value. */
41 char *name
; /* The equivalent symbolic value. */
42 char *desc
; /* Short description of value. */
45 /* Translate values in the pr_why field of a `struct prstatus' or
46 `struct lwpstatus'. */
48 static struct trans pr_why_table
[] =
50 #if defined (PR_REQUESTED)
52 { PR_REQUESTED
, "PR_REQUESTED",
53 "Directed to stop by debugger via P(IO)CSTOP or P(IO)CWSTOP" },
55 #if defined (PR_SIGNALLED)
57 { PR_SIGNALLED
, "PR_SIGNALLED", "Receipt of a traced signal" },
59 #if defined (PR_SYSENTRY)
61 { PR_SYSENTRY
, "PR_SYSENTRY", "Entry to a traced system call" },
63 #if defined (PR_SYSEXIT)
65 { PR_SYSEXIT
, "PR_SYSEXIT", "Exit from a traced system call" },
67 #if defined (PR_JOBCONTROL)
69 { PR_JOBCONTROL
, "PR_JOBCONTROL", "Default job control stop signal action" },
71 #if defined (PR_FAULTED)
73 { PR_FAULTED
, "PR_FAULTED", "Incurred a traced hardware fault" },
75 #if defined (PR_SUSPENDED)
77 { PR_SUSPENDED
, "PR_SUSPENDED", "Process suspended" },
79 #if defined (PR_CHECKPOINT)
81 { PR_CHECKPOINT
, "PR_CHECKPOINT", "Process stopped at checkpoint" },
83 #if defined (PR_FORKSTOP)
85 { PR_FORKSTOP
, "PR_FORKSTOP", "Process stopped at end of fork call" },
87 #if defined (PR_TCRSTOP)
89 { PR_TCRSTOP
, "PR_TCRSTOP", "Process stopped on thread creation" },
91 #if defined (PR_TTSTOP)
93 { PR_TTSTOP
, "PR_TTSTOP", "Process stopped on thread termination" },
97 { PR_DEAD
, "PR_DEAD", "Process stopped in exit system call" },
101 /* Pretty-print the pr_why field of a `struct prstatus' or `struct
105 proc_prettyfprint_why (FILE *file
, unsigned long why
, unsigned long what
,
113 for (i
= 0; i
< ARRAY_SIZE (pr_why_table
); i
++)
114 if (why
== pr_why_table
[i
].value
)
116 fprintf (file
, "%s ", pr_why_table
[i
].name
);
118 fprintf (file
, ": %s ", pr_why_table
[i
].desc
);
123 break; /* Nothing more to print. */
127 proc_prettyfprint_signal (file
, what
, verbose
);
132 proc_prettyfprint_fault (file
, what
, verbose
);
137 fprintf (file
, "Entry to ");
138 proc_prettyfprint_syscall (file
, what
, verbose
);
143 fprintf (file
, "Exit from ");
144 proc_prettyfprint_syscall (file
, what
, verbose
);
149 proc_prettyfprint_signal (file
, what
, verbose
);
154 fprintf (file
, "Exit status: %ld\n", what
);
158 fprintf (file
, "Unknown why %ld, what %ld\n", why
, what
);
161 fprintf (file
, "\n");
166 fprintf (file
, "Unknown pr_why.\n");
170 proc_prettyprint_why (unsigned long why
, unsigned long what
, int verbose
)
172 proc_prettyfprint_why (stdout
, why
, what
, verbose
);
This page took 0.031966 seconds and 4 git commands to generate.