trace: reimplement the DTRACE function so it doesn't use a vector

At the same time, rename the trace flags to debug flags since they
have broader usage than simply tracing.  This means that
--trace-flags is now --debug-flags and --trace-help is now --debug-help

src/python/m5/debug.py

@@ -29,3 +29,65 @@
 import internal
 
 from internal.debug import schedBreakCycle, setRemoteGDBPort
+
+def help():
+    print "Base Flags:"
+    for flag in flags.basic:
+        print "    %s: %s" % (flag, flags.descriptions[flag])
+    print
+    print "Compound Flags:"
+    for flag in flags.compound:
+        if flag == 'All':
+            continue
+        print "    %s: %s" % (flag, flags.descriptions[flag])
+        util.printList(flags.compoundMap[flag], indent=8)
+        print
+
+class AllFlags(object):
+    def __init__(self):
+        self._version = -1
+        self._dict = {}
+
+    def _update(self):
+        current_version = internal.debug.getAllFlagsVersion()
+        if self._version == current_version:
+            return
+
+        self._dict.clear()
+        for flag in internal.debug.getAllFlags():
+            self._dict[flag.name()] = flag
+        self._version = current_version
+
+    def __contains__(self, item):
+        self._update()
+        return item in self._dict
+
+    def __getitem__(self, item):
+        self._update()
+        return self._dict[item]
+
+    def keys(self):
+        self._update()
+        return self._dict.keys()
+
+    def values(self):
+        self._update()
+        return self._dict.values()
+
+    def items(self):
+        self._update()
+        return self._dict.items()
+
+    def iterkeys(self):
+        self._update()
+        return self._dict.iterkeys()
+
+    def itervalues(self):
+        self._update()
+        return self._dict.itervalues()
+
+    def iteritems(self):
+        self._update()
+        return self._dict.iteritems()
+
+flags = AllFlags()

src/python/m5/main.py

@@ -98,15 +98,15 @@ add_option("--dump-config", metavar="FILE", default="config.ini",
 set_group("Debugging Options")
 add_option("--debug-break", metavar="TIME[,TIME]", action='append', split=',',
     help="Cycle to create a breakpoint")
+add_option("--debug-help", action='store_true',
+    help="Print help on debug flags")
+add_option("--debug-flags", metavar="FLAG[,FLAG]", action='append', split=',',
+    help="Sets the flags for debugging (-FLAG disables a flag)")
 add_option("--remote-gdb-port", type='int', default=7000,
     help="Remote gdb base port (set to 0 to disable listening)")
 
 # Tracing options
 set_group("Trace Options")
-add_option("--trace-help", action='store_true',
-    help="Print help on trace flags")
-add_option("--trace-flags", metavar="FLAG[,FLAG]", action='append', split=',',
-    help="Sets the flags for tracing (-FLAG disables a flag)")
 add_option("--trace-start", metavar="TIME", type='int',
     help="Start tracing at TIME (must be in ticks)")
 add_option("--trace-file", metavar="FILE", default="cout",
@@ -214,10 +214,10 @@ def main():
         print info.README
         print
 
-    if options.trace_help:
+    if options.debug_help:
         done = True
         check_tracing()
-        trace.help()
+        debug.help()
 
     if options.list_sim_objects:
         import SimObject
@@ -284,30 +284,25 @@ def main():
     for when in options.debug_break:
         debug.schedBreakCycle(int(when))
 
-    if options.trace_flags:
+    if options.debug_flags:
         check_tracing()
 
         on_flags = []
         off_flags = []
-        for flag in options.trace_flags:
+        for flag in options.debug_flags:
             off = False
             if flag.startswith('-'):
                 flag = flag[1:]
                 off = True
-            if flag not in trace.flags.all and flag != "All":
-                print >>sys.stderr, "invalid trace flag '%s'" % flag
+
+            if flag not in debug.flags:
+                print >>sys.stderr, "invalid debug flag '%s'" % flag
                 sys.exit(1)
 
             if off:
-                off_flags.append(flag)
+                debug.flags[flag].disable()
             else:
-                on_flags.append(flag)
-
-        for flag in on_flags:
-            trace.set(flag)
-
-        for flag in off_flags:
-            trace.clear(flag)
+                debug.flags[flag].enable()
 
     if options.trace_start:
         check_tracing()

src/python/m5/trace.py

@@ -27,26 +27,12 @@
 # Authors: Nathan Binkert
 
 import internal
-import traceflags as flags
 import util
 
-from internal.trace import clear, output, set, ignore
+from internal.trace import output, ignore
 
 def disable():
     internal.trace.cvar.enabled = False
 
 def enable():
     internal.trace.cvar.enabled = True
-
-def help():
-    print "Base Flags:"
-    for flag in flags.basic:
-        print "    %s: %s" % (flag, flags.descriptions[flag])
-    print
-    print "Compound Flags:"
-    for flag in flags.compound:
-        if flag == 'All':
-            continue
-        print "    %s: %s" % (flag, flags.descriptions[flag])
-        util.printList(flags.compoundMap[flag], indent=8)
-        print

src/python/swig/debug.i

@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2006 The Regents of The University of Michigan
+ * Copyright (c) 2010 The Hewlett-Packard Development Company
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -31,11 +32,62 @@
 %module(package="m5.internal") debug
 
 %{
+#include <cassert>
+#include <map>
+#include <string>
+#include <vector>
+
+#include "base/debug.hh"
 #include "base/types.hh"
 #include "sim/debug.hh"
+
+using namespace std;
+
+typedef map<string, Debug::Flag *> FlagsMap;
+typedef vector<Debug::Flag *> FlagsVec;
+
+namespace Debug {
+extern int allFlagsVersion;
+FlagsMap &allFlags();
+}
+
+inline int
+getAllFlagsVersion()
+{
+    return Debug::allFlagsVersion;
+}
+
+inline FlagsVec
+getAllFlags()
+{
+    FlagsMap &flagsMap = Debug::allFlags();
+
+    FlagsVec flags(flagsMap.size());
+
+    int index = 0;
+    FlagsMap::iterator i = flagsMap.begin();
+    FlagsMap::iterator end = flagsMap.end();
+    for (; i != end; ++i) {
+        assert(index < flags.size());
+        flags[index++] = i->second;
+    }
+
+    return flags;
+}
+
 %}
 
+%ignore Debug::SimpleFlag::operator!;
+
+%include <std_string.i>
+%include <std_vector.i>
 %include <stdint.i>
 
+%include "base/debug.hh"
 %include "base/types.hh"
 %include "sim/debug.hh"
+
+%template(AllFlags) std::vector<Debug::Flag *>;
+
+int getAllFlagsVersion();
+std::vector<Debug::Flag *> getAllFlags();

src/python/swig/trace.i

@@ -40,18 +40,6 @@ output(const char *filename)
     Trace::setOutput(filename);
 }
 
-inline void
-set(const char *flag)
-{
-    Trace::changeFlag(flag, true);
-}
-
-inline void
-clear(const char *flag)
-{
-    Trace::changeFlag(flag, false);
-}
-
 inline void
 ignore(const char *expr)
 {
@@ -61,10 +49,6 @@ ignore(const char *expr)
 using Trace::enabled;
 %}
 
-%inline %{
 extern void output(const char *string);
-extern void set(const char *string);
-extern void clear(const char *string);
 extern void ignore(const char *expr);
 extern bool enabled;
-%}