import gdb-2000-01-24 snapshot

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);
+}