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Diffstat (limited to 'gdb/proc-why.c')
| -rw-r--r-- | gdb/proc-why.c | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/gdb/proc-why.c b/gdb/proc-why.c new file mode 100644 index 0000000..958eeb4 --- /dev/null +++ b/gdb/proc-why.c @@ -0,0 +1,181 @@ +/* Machine independent support for SVR4 /proc (process file system) for GDB. + Copyright 1999 Free Software Foundation, Inc. + Written by Michael Snyder at Cygnus Solutions. + Based on work by Fred Fish, Stu Grossman, Geoff Noer, and others. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software Foundation, +Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +/* + * Pretty-print the pr_why value. + * + * Arguments: unsigned long flags, int verbose + * + */ + +#include "defs.h" + +#if defined(NEW_PROC_API) +#define _STRUCTURED_PROC 1 +#endif + +#include <stdio.h> +#include <sys/types.h> +#include <sys/procfs.h> + +#include "proc-utils.h" + +/* Much of the information used in the /proc interface, particularly for + printing status information, is kept as tables of structures of the + following form. These tables can be used to map numeric values to + their symbolic names and to a string that describes their specific use. */ + +struct trans { + int value; /* The numeric value */ + char *name; /* The equivalent symbolic value */ + char *desc; /* Short description of value */ +}; + +/* Translate values in the pr_why field of the prstatus struct. */ + +static struct trans pr_why_table[] = +{ +#if defined (PR_REQUESTED) + /* All platforms */ + { PR_REQUESTED, "PR_REQUESTED", + "Directed to stop by debugger via P(IO)CSTOP or P(IO)CWSTOP" }, +#endif +#if defined (PR_SIGNALLED) + /* All platforms */ + { PR_SIGNALLED, "PR_SIGNALLED", "Receipt of a traced signal" }, +#endif +#if defined (PR_SYSENTRY) + /* All platforms */ + { PR_SYSENTRY, "PR_SYSENTRY", "Entry to a traced system call" }, +#endif +#if defined (PR_SYSEXIT) + /* All platforms */ + { PR_SYSEXIT, "PR_SYSEXIT", "Exit from a traced system call" }, +#endif +#if defined (PR_JOBCONTROL) + /* All platforms */ + { PR_JOBCONTROL, "PR_JOBCONTROL", "Default job control stop signal action" }, +#endif +#if defined (PR_FAULTED) + /* All platforms */ + { PR_FAULTED, "PR_FAULTED", "Incurred a traced hardware fault" }, +#endif +#if defined (PR_SUSPENDED) + /* Solaris and UnixWare */ + { PR_SUSPENDED, "PR_SUSPENDED", "Process suspended" }, +#endif +#if defined (PR_CHECKPOINT) + /* Solaris only */ + { PR_CHECKPOINT, "PR_CHECKPOINT", "Process stopped at checkpoint" }, +#endif +#if defined (PR_FORKSTOP) + /* OSF only */ + { PR_FORKSTOP, "PR_FORKSTOP", "Process stopped at end of fork call" }, +#endif +#if defined (PR_TCRSTOP) + /* OSF only */ + { PR_TCRSTOP, "PR_TCRSTOP", "Process stopped on thread creation" }, +#endif +#if defined (PR_TTSTOP) + /* OSF only */ + { PR_TTSTOP, "PR_TTSTOP", "Process stopped on thread termination" }, +#endif +#if defined (PR_DEAD) + /* OSF only */ + { PR_DEAD, "PR_DEAD", "Process stopped in exit system call" }, +#endif +}; + +void +proc_prettyfprint_why (file, why, what, verbose) + FILE *file; + unsigned long why; + unsigned long what; + int verbose; +{ + int i; + + if (why == 0) + return; + + for (i = 0; i < sizeof (pr_why_table) / sizeof (pr_why_table[0]); i++) + if (why == pr_why_table[i].value) + { + fprintf (file, "%s ", pr_why_table[i].name); + if (verbose) + fprintf (file, ": %s ", pr_why_table[i].desc); + + switch (why) { +#ifdef PR_REQUESTED + case PR_REQUESTED: + break; /* Nothing more to print. */ +#endif +#ifdef PR_SIGNALLED + case PR_SIGNALLED: + proc_prettyfprint_signal (file, what, verbose); + break; +#endif +#ifdef PR_FAULTED + case PR_FAULTED: + proc_prettyfprint_fault (file, what, verbose); + break; +#endif +#ifdef PR_SYSENTRY + case PR_SYSENTRY: + fprintf (file, "Entry to "); + proc_prettyfprint_syscall (file, what, verbose); + break; +#endif +#ifdef PR_SYSEXIT + case PR_SYSEXIT: + fprintf (file, "Exit from "); + proc_prettyfprint_syscall (file, what, verbose); + break; +#endif +#ifdef PR_JOBCONTROL + case PR_JOBCONTROL: + proc_prettyfprint_signal (file, what, verbose); + break; +#endif +#ifdef PR_DEAD + case PR_DEAD: + fprintf (file, "Exit status: %d\n", what); + break; +#endif + default: + fprintf (file, "Unknown why %ld, what %ld\n", why, what); + break; + } + fprintf (file, "\n"); + + return; + } + fprintf (file, "Unknown pr_why.\n"); +} + +void +proc_prettyprint_why (why, what, verbose) + unsigned long why; + unsigned long what; + int verbose; +{ + proc_prettyfprint_why (stdout, why, what, verbose); +} |