OTAWA  2.0
Framework to perform machine analysis and compute WCET.
otawa::CFGCollector Class Reference

#include <otawa/cfg/CFGCollector.h>

+ Inheritance diagram for otawa::CFGCollector:

Public Member Functions

 CFGCollector (p::declare &r=reg)
 
void configure (const PropList &props) override
 This method may be called for configuring a processor thanks to information passed in the property list. More...
 
voidinterfaceFor (const AbstractFeature &f) override
 Get the interface corresponding to the given feature. More...
 
- Public Member Functions inherited from otawa::AbstractCFGBuilder
 AbstractCFGBuilder (p::declare &r)
 
- Public Member Functions inherited from otawa::Processor
elm::String name (void) const
 
 Processor (AbstractRegistration &registration)
 For internal use only. More...
 
 Processor (const PropList &props)
 Build a new processor. More...
 
 Processor (elm::String name, elm::Version version, const PropList &props)
 Build a new processor with name and version. More...
 
 Processor (String name, Version version)
 Build a new processor with name and version. More...
 
 Processor (String name, Version version, AbstractRegistration &registration)
 For internal use only. More...
 
 Processor (void)
 Build a simple anonymous processor. More...
 
AbstractRegistrationregistration (void) const
 
elm::Version version (void) const
 
virtual ~Processor (void)
 
- Public Member Functions inherited from otawa::Monitor
void configure (const PropList &props, string name="")
 
bool isQuiet () const
 
bool isVerbose () const
 
bool logFor (log_level_t tested) const
 
log_level_t logLevel (void) const
 
 Monitor ()
 
 Monitor (Monitor &mon)
 Build a monitor by copy. More...
 
WorkSpaceworkspace (void)
 
 ~Monitor ()
 

Static Public Attributes

static p::declare reg
 CFGCollector registration. More...
 
- Static Public Attributes inherited from otawa::Processor
static p::id< boolCOLLECT_STATS
 This property allows to activate collection of statistics for the work of the current processor. More...
 
static p::id< elm::io::OutStream * > & LOG = otawa::LOG
 This property identifier is used for setting the log stream used by the processor to write messages (information, warning, error). More...
 
static p::id< string > & LOG_FOR = otawa::LOG_FOR
 Logging message will only be displayed for the named processor. More...
 
static p::id< log_level_t > & LOG_LEVEL = otawa::LOG_LEVEL
 Property passed in the configuration property list of a processor to select the log level between LOG_PROC, LOG_CFG or LOG_BB. More...
 
static Processornull = _null
 Singleton representing a null processor. More...
 
static p::id< elm::io::OutStream * > & OUTPUT = otawa::OUTPUT
 This property identifier is used for setting the output stream used by the processor to write results. More...
 
static p::id< Progress * > PROGRESS
 Record a progress listener for the execution of the processors. More...
 
static p::id< boolRECURSIVE
 
static p::declare reg
 
static p::id< elm::sys::time_tRUNTIME
 This property identifier is used to store in the statistics of a processor the overall run time of the processor work. More...
 
static p::id< PropList * > STATS
 This property identifiers is used to pass a property list to the processor that will be used to store statistics about the performed work. More...
 
static p::id< boolTIMED
 If the value of the associated property is true (default to false), time statistics will also be collected with other processor statistics. More...
 
static p::id< bool > & VERBOSE = otawa::VERBOSE
 This property activates the verbose mode of the processor: information about the processor work will be displayed. More...
 
- Static Public Attributes inherited from otawa::Monitor
static Monitornull = __null_mon
 Monitor that output nothing. More...
 

Protected Member Functions

void cleanup (WorkSpace *ws) override
 This method is called after the end of the processor analysis to let it do some clean up. More...
 
void destroy (WorkSpace *ws) override
 This method is called when the properties produced by a processor are no more useful and can be release. More...
 
void setup (WorkSpace *ws) override
 This method is called before an anlysis to let the processor do some initialization. More...
 
- Protected Member Functions inherited from otawa::AbstractCFGBuilder
CFGMakermaker (Inst *i)
 Get maker for the given instruction as function entry. More...
 
void processWorkSpace (WorkSpace *ws)
 Process the given framework. More...
 
- Protected Member Functions inherited from otawa::Processor
void addCleaner (const AbstractFeature &feature, Cleaner *cleaner)
 
template<class T >
void addDeletor (const AbstractFeature &feature, const Ref< T *, Identifier< T * > > &ref)
 
template<class T >
void addRemover (const AbstractFeature &feature, const Ref< T, Identifier< T > > &ref)
 
virtual void collectStats (WorkSpace *ws)
 This method is invoked if the user has required to collect statistics about the processor. More...
 
virtual void commit (WorkSpace *ws)
 This processor is called as soon as all the required and invalidated features has been removed to let the processor install its own properties. More...
 
virtual void dump (WorkSpace *ws, Output &out)
 Function called for debugging purpose when dump properties (otawa::DUMP, otawa::DUMP_FOR) are provided. More...
 
void invalidate (const AbstractFeature &feature)
 Usually called from a processor constructor, this method records a feature invalidated by the work of the current processor. More...
 
bool isAllocated (void) const
 
bool isCollectingStats (void) const
 
bool isDone () const
 
bool isDumping () const
 
bool isPrepared (void) const
 
bool isTimed (void) const
 
virtual void prepare (WorkSpace *ws)
 This method called to let the processor customize its requirements according to some generic feature. More...
 
Progressprogress (void)
 
void provide (const AbstractFeature &feature)
 Usually called from a processor constructor, this method records a feature provided by the work of the current processor. More...
 
void record (StatCollector *collector)
 Add a statistics collector to the current workspace collection. More...
 
bool recordsStats (void) const
 
void recordStat (const AbstractFeature &feature, StatCollector *collector)
 Add a statistics collector to the current workspace collection. More...
 
void require (const AbstractFeature &feature)
 Usually called from a processor constructor, this method records a required feature for the work of the current processor. More...
 
virtual void requireDyn (WorkSpace *ws, const PropList &props)
 Method called after registration requirements to support dynamic requirements. More...
 
void track (Cleaner *cleaner)
 Track the given cleaner, that is, record the cleaner in the analysis and trigger when the analysis is deleted. More...
 
template<class T >
void track (const AbstractFeature &feature, const Ref< T *, const Identifier< T * > > &ref)
 
template<class T >
void track (const AbstractFeature &feature, const Ref< T *, Identifier< T * > > &ref)
 
template<class T >
void track (const AbstractFeature &feature, const Ref< T, const Identifier< T > > &ref)
 
template<class T >
void track (const AbstractFeature &feature, const Ref< T, Identifier< T > > &ref)
 
template<class T >
T * track (const AbstractFeature &feature, T *object)
 
template<class T >
void track (const Ref< T *, const Identifier< T * > > &ref)
 
template<class T >
void track (const Ref< T, const Identifier< T > > &ref)
 
template<class T >
T * track (T *object)
 
void use (const AbstractFeature &feature)
 Usually called from a processor constructor, this method records a feature as used by the work of the current processor. More...
 
void warn (const String &message)
 Display a warning. More...
 
WorkSpaceworkspace (void) const
 
- Protected Member Functions inherited from otawa::Monitor
void setWorkspace (WorkSpace *workspace)
 Update the workspace in the monitor. More...
 

Private Attributes

Vector< Addressadded_cfgs
 
Vector< stringadded_funs
 
CFGCollectioncoll
 

Additional Inherited Members

- Public Types inherited from otawa::Monitor
enum  log_level_t {
  LOG_NONE = 0, LOG_PROC = 1, LOG_FILE = 2, LOG_DEPS = LOG_FILE,
  LOG_FUN = 3, LOG_CFG = LOG_FUN, LOG_BLOCK = 4, LOG_BB = LOG_BLOCK,
  LOG_INST = 5
}
 
typedef enum otawa::Monitor::log_level_t log_level_t
 
- Public Attributes inherited from otawa::Monitor
elm::io::Output log
 
elm::io::Output out
 
- Protected Attributes inherited from otawa::Processor
PropListstats
 
- Protected Attributes inherited from otawa::Monitor
t::uint32 flags
 
- Static Protected Attributes inherited from otawa::Processor
static const t::uint32 CLOSE_DUMP = 0x100 << CUSTOM_SHIFT
 
static const t::uint32 IS_ALLOCATED = 0x004 << CUSTOM_SHIFT
 
static const t::uint32 IS_COLLECTING = 0x010 << CUSTOM_SHIFT
 
static const t::uint32 IS_DONE = 0x040 << CUSTOM_SHIFT
 
static const t::uint32 IS_DUMPING = 0x080 << CUSTOM_SHIFT
 
static const t::uint32 IS_PREPARED = 0x008 << CUSTOM_SHIFT
 
static const t::uint32 IS_TIED = 0x020 << CUSTOM_SHIFT
 
static const t::uint32 IS_TIMED = 0x001 << CUSTOM_SHIFT
 
- Static Protected Attributes inherited from otawa::Monitor
static const t::uint32 CUSTOM_SHIFT = 16
 
static const t::uint32 IS_QUIET = 0x02
 
static const t::uint32 IS_VERBOSE = 0x01
 

Detailed Description

This processor is used to collect all CFG implied in a computation. It uses the otawa::ENTRY_CFG or otawa::TASK_ENTRY properties to find the base CFG and explore in depth the CFG along subprograms calls.

Configuration
  • ENTRY_CFGCFG of the entry of the current task,
  • TASK_ENTRY – name if the entry function of the current task,
  • CFGCollector::ADDED_CFG – CFG to add to the collection.
  • CFGCollector::ADDED_FUNCTION – function name to add to the collection.
Note
otawa::ENTRY_CFG is first looked on the WorkSpace and then in the configuration properties.
Provided Features
COLLECTED_CFG_FEATURE

Constructor & Destructor Documentation

◆ CFGCollector()

otawa::CFGCollector::CFGCollector ( p::declare r = reg)

Member Function Documentation

◆ cleanup()

void otawa::CFGCollector::cleanup ( WorkSpace ws)
overrideprotectedvirtual

This method is called after the end of the processor analysis to let it do some clean up.

Some data such as Identifiers set in in the processor analysis may still be used in the later analysis. Please refer to elm::addCleaner() to clean the such data when the feature provided by the processor analysis is removed/invalidated.

Parameters
wsWorkspace to work on.

Reimplemented from otawa::AbstractCFGBuilder.

References otawa::CFGCollection::add(), otawa::AbstractCFGBuilder::cleanup(), coll, otawa::CFGCollection::entry(), otawa::ENTRY_CFG, otawa::INVOLVED_CFGS, otawa::WorkSpace::name(), otawa::CFG::name(), and otawa::Processor::ws.

◆ configure()

void otawa::CFGCollector::configure ( const PropList props)
overridevirtual

This method may be called for configuring a processor thanks to information passed in the property list.

Parameters
propsConfiguration information.

Reimplemented from otawa::AbstractCFGBuilder.

References elm::Vector< class, class, class >::add(), Vector< string >::add(), added_cfgs, added_funs, otawa::AbstractCFGBuilder::configure(), otawa::Address::isNull(), otawa::Processor::name(), otawa::TASK_ADDRESS, and otawa::TASK_ENTRY.

◆ destroy()

void otawa::CFGCollector::destroy ( WorkSpace ws)
overrideprotectedvirtual

This method is called when the properties produced by a processor are no more useful and can be release.

This happens (a) when the workspace is release or (b) the features provided by the processor are invalidated.

The processor has to retain the properties of the provided features until this function is called.

The default implementation activates the clean list.

Reimplemented from otawa::Processor.

References coll, otawa::ENTRY_CFG, otawa::INVOLVED_CFGS, and otawa::Processor::ws.

◆ interfaceFor()

void * otawa::CFGCollector::interfaceFor ( const AbstractFeature feature)
overridevirtual

Get the interface corresponding to the given feature.

The feature can only be part of the processor provided feature. This function can only be called once the processor has been executed.

Parameters
featureFeature of the looked interface.
Returns
Null pointer or interface corresponding to the feature.

Reimplemented from otawa::Processor.

References coll.

◆ setup()

void otawa::CFGCollector::setup ( WorkSpace ws)
overrideprotectedvirtual

Member Data Documentation

◆ added_cfgs

Vector<Address> otawa::CFGCollector::added_cfgs
private

Referenced by configure(), and setup().

◆ added_funs

Vector<string> otawa::CFGCollector::added_funs
private

Referenced by configure(), and setup().

◆ coll

CFGCollection* otawa::CFGCollector::coll
private

Referenced by cleanup(), destroy(), and interfaceFor().

◆ reg

p::declare otawa::CFGCollector::reg
static
Initial value:
= p::init("otawa::CFGCollector", Version(2, 1, 0))
.require(LABEL_FEATURE)
.require(view::FEATURE)
.maker<CFGCollector>()

CFGCollector registration.


The documentation for this class was generated from the following files:
otawa::FLOW_FACTS_FEATURE
p::feature FLOW_FACTS_FEATURE
This feature ensures that the flow facts has been loaded.
otawa::LABEL_FEATURE
p::feature LABEL_FEATURE
This feature ensures that label or symbol information has been linked to the concerned instruction.
otawa::CFGCollector::CFGCollector
CFGCollector(p::declare &r=reg)
Definition: cfg_CFGCollector.cpp:180
otawa::COLLECTED_CFG_FEATURE
p::interfaced_feature< const CFGCollection > COLLECTED_CFG_FEATURE
This feature asserts that all CFG involved in the current computation has been collected and accessib...
otawa::view::FEATURE
p::feature FEATURE
Feature ensuring there is a view manager.