[Lldb-commits] [lldb] r345680 - Revert r345678 (build failure on Linux machines).
Kuba Mracek via lldb-commits
lldb-commits at lists.llvm.org
Tue Oct 30 17:29:17 PDT 2018
Author: kuba.brecka
Date: Tue Oct 30 17:29:17 2018
New Revision: 345680
URL: http://llvm.org/viewvc/llvm-project?rev=345680&view=rev
Log:
Revert r345678 (build failure on Linux machines).
Modified:
lldb/trunk/include/lldb/API/SBVariablesOptions.h
lldb/trunk/include/lldb/Interpreter/OptionGroupVariable.h
lldb/trunk/include/lldb/Interpreter/ScriptInterpreter.h
lldb/trunk/include/lldb/Target/StackFrame.h
lldb/trunk/include/lldb/Target/StackFrameRecognizer.h
lldb/trunk/include/lldb/lldb-forward.h
lldb/trunk/lldb.xcodeproj/project.pbxproj
lldb/trunk/packages/Python/lldbsuite/test/functionalities/frame-recognizer/Makefile
lldb/trunk/packages/Python/lldbsuite/test/functionalities/frame-recognizer/TestFrameRecognizer.py
lldb/trunk/packages/Python/lldbsuite/test/functionalities/frame-recognizer/main.m
lldb/trunk/packages/Python/lldbsuite/test/functionalities/frame-recognizer/recognizer.py
lldb/trunk/scripts/Python/python-wrapper.swig
lldb/trunk/scripts/interface/SBVariablesOptions.i
lldb/trunk/source/API/SBFrame.cpp
lldb/trunk/source/API/SBVariablesOptions.cpp
lldb/trunk/source/API/SystemInitializerFull.cpp
lldb/trunk/source/Commands/CommandObjectFrame.cpp
lldb/trunk/source/Interpreter/OptionGroupVariable.cpp
lldb/trunk/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
lldb/trunk/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.h
lldb/trunk/source/Target/CMakeLists.txt
lldb/trunk/source/Target/StackFrame.cpp
lldb/trunk/source/Target/StackFrameRecognizer.cpp
lldb/trunk/www/python-reference.html
Modified: lldb/trunk/include/lldb/API/SBVariablesOptions.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/API/SBVariablesOptions.h?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/include/lldb/API/SBVariablesOptions.h (original)
+++ lldb/trunk/include/lldb/API/SBVariablesOptions.h Tue Oct 30 17:29:17 2018
@@ -33,10 +33,6 @@ public:
void SetIncludeArguments(bool);
- bool GetIncludeRecognizedArguments() const;
-
- void SetIncludeRecognizedArguments(bool);
-
bool GetIncludeLocals() const;
void SetIncludeLocals(bool);
Modified: lldb/trunk/include/lldb/Interpreter/OptionGroupVariable.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Interpreter/OptionGroupVariable.h?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/include/lldb/Interpreter/OptionGroupVariable.h (original)
+++ lldb/trunk/include/lldb/Interpreter/OptionGroupVariable.h Tue Oct 30 17:29:17 2018
@@ -39,8 +39,6 @@ public:
bool include_frame_options : 1,
show_args : 1, // Frame option only (include_frame_options == true)
- show_recognized_args : 1, // Frame option only (include_frame_options ==
- // true)
show_locals : 1, // Frame option only (include_frame_options == true)
show_globals : 1, // Frame option only (include_frame_options == true)
use_regex : 1, show_scope : 1, show_decl : 1;
Modified: lldb/trunk/include/lldb/Interpreter/ScriptInterpreter.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Interpreter/ScriptInterpreter.h?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/include/lldb/Interpreter/ScriptInterpreter.h (original)
+++ lldb/trunk/include/lldb/Interpreter/ScriptInterpreter.h Tue Oct 30 17:29:17 2018
@@ -174,17 +174,6 @@ public:
}
virtual StructuredData::GenericSP
- CreateFrameRecognizer(const char *class_name) {
- return StructuredData::GenericSP();
- }
-
- virtual lldb::ValueObjectListSP GetRecognizedArguments(
- const StructuredData::ObjectSP &implementor,
- lldb::StackFrameSP frame_sp) {
- return lldb::ValueObjectListSP();
- }
-
- virtual StructuredData::GenericSP
OSPlugin_CreatePluginObject(const char *class_name,
lldb::ProcessSP process_sp) {
return StructuredData::GenericSP();
Modified: lldb/trunk/include/lldb/Target/StackFrame.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Target/StackFrame.h?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/include/lldb/Target/StackFrame.h (original)
+++ lldb/trunk/include/lldb/Target/StackFrame.h Tue Oct 30 17:29:17 2018
@@ -544,8 +544,6 @@ public:
void CalculateExecutionContext(ExecutionContext &exe_ctx) override;
- lldb::RecognizedStackFrameSP GetRecognizedFrame();
-
protected:
friend class StackFrameList;
@@ -580,7 +578,6 @@ private:
ValueObjectList m_variable_list_value_objects; // Value objects for each
// variable in
// m_variable_list_sp
- lldb::RecognizedStackFrameSP m_recognized_frame_sp;
StreamString m_disassembly;
std::recursive_mutex m_mutex;
Modified: lldb/trunk/include/lldb/Target/StackFrameRecognizer.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Target/StackFrameRecognizer.h?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/include/lldb/Target/StackFrameRecognizer.h (original)
+++ lldb/trunk/include/lldb/Target/StackFrameRecognizer.h Tue Oct 30 17:29:17 2018
@@ -1,129 +0,0 @@
-//===-- StackFrameRecognizer.h ----------------------------------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef liblldb_StackFrameRecognizer_h_
-#define liblldb_StackFrameRecognizer_h_
-
-// C Includes
-// C++ Includes
-// Other libraries and framework includes
-// Project includes
-#include "lldb/Core/ValueObjectList.h"
-#include "lldb/Symbol/VariableList.h"
-#include "lldb/Utility/StructuredData.h"
-#include "lldb/lldb-private-forward.h"
-#include "lldb/lldb-public.h"
-
-namespace lldb_private {
-
-/// @class RecognizedStackFrame
-///
-/// This class provides extra information about a stack frame that was
-/// provided by a specific stack frame recognizer. Right now, this class only
-/// holds recognized arguments (via GetRecognizedArguments).
-
-class RecognizedStackFrame
- : std::enable_shared_from_this<RecognizedStackFrame> {
-public:
- virtual lldb::ValueObjectListSP GetRecognizedArguments() {
- return m_arguments;
- }
- virtual ~RecognizedStackFrame(){};
-
-protected:
- lldb::ValueObjectListSP m_arguments;
-};
-
-/// @class StackFrameRecognizer
-///
-/// A base class for frame recognizers. Subclasses (actual frame recognizers)
-/// should implement RecognizeFrame to provide a RecognizedStackFrame for a
-/// given stack frame.
-
-class StackFrameRecognizer
- : std::enable_shared_from_this<StackFrameRecognizer> {
-public:
- virtual lldb::RecognizedStackFrameSP RecognizeFrame(
- lldb::StackFrameSP frame) {
- return lldb::RecognizedStackFrameSP();
- };
- virtual std::string GetName() {
- return "";
- }
-
- virtual ~StackFrameRecognizer(){};
-};
-
-#ifndef LLDB_DISABLE_PYTHON
-
-/// @class ScriptedStackFrameRecognizer
-///
-/// Python implementation for frame recognizers. An instance of this class
-/// tracks a particular Python classobject, which will be asked to recognize
-/// stack frames.
-
-class ScriptedStackFrameRecognizer : public StackFrameRecognizer {
- lldb_private::ScriptInterpreter *m_interpreter;
- lldb_private::StructuredData::ObjectSP m_python_object_sp;
- std::string m_python_class;
-
-public:
- ScriptedStackFrameRecognizer(lldb_private::ScriptInterpreter *interpreter,
- const char *pclass);
- ~ScriptedStackFrameRecognizer() {}
-
- std::string GetName() override {
- return GetPythonClassName();
- }
-
- const char *GetPythonClassName() { return m_python_class.c_str(); }
-
- lldb::RecognizedStackFrameSP RecognizeFrame(
- lldb::StackFrameSP frame) override;
-
-private:
- DISALLOW_COPY_AND_ASSIGN(ScriptedStackFrameRecognizer);
-};
-
-#endif
-
-/// @class StackFrameRecognizerManager
-///
-/// Static class that provides a registry of known stack frame recognizers.
-/// Has static methods to add, enumerate, remove, query and invoke recognizers.
-
-class StackFrameRecognizerManager {
-public:
- static void AddRecognizer(lldb::StackFrameRecognizerSP recognizer,
- ConstString &module, ConstString &symbol,
- bool first_instruction_only = true);
-
- static void AddRecognizer(lldb::StackFrameRecognizerSP recognizer,
- lldb::RegularExpressionSP module,
- lldb::RegularExpressionSP symbol,
- bool first_instruction_only = true);
-
- static void ForEach(
- std::function<void(uint32_t recognizer_id, std::string recognizer_name,
- std::string module, std::string symbol,
- bool regexp)> const &callback);
-
- static bool RemoveRecognizerWithID(uint32_t recognizer_id);
-
- static void RemoveAllRecognizers();
-
- static lldb::StackFrameRecognizerSP GetRecognizerForFrame(
- lldb::StackFrameSP frame);
-
- static lldb::RecognizedStackFrameSP RecognizeFrame(lldb::StackFrameSP frame);
-};
-
-} // namespace lldb_private
-
-#endif // liblldb_StackFrameRecognizer_h_
Modified: lldb/trunk/include/lldb/lldb-forward.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/lldb-forward.h?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/include/lldb/lldb-forward.h (original)
+++ lldb/trunk/include/lldb/lldb-forward.h Tue Oct 30 17:29:17 2018
@@ -184,7 +184,6 @@ class ProcessInstanceInfoMatch;
class ProcessLaunchInfo;
class Property;
struct PropertyDefinition;
-class RecognizedStackFrame;
class RegisterCheckpoint;
class RegisterContext;
class RegisterLocation;
@@ -209,8 +208,6 @@ class SourceManagerImpl;
class StackFrame;
class StackFrameImpl;
class StackFrameList;
-class StackFrameRecognizer;
-class StackFrameRecognizerManager;
class StackID;
class StopInfo;
class Stoppoint;
@@ -417,8 +414,6 @@ typedef std::shared_ptr<lldb_private::Qu
typedef std::weak_ptr<lldb_private::Queue> QueueWP;
typedef std::shared_ptr<lldb_private::QueueItem> QueueItemSP;
typedef std::shared_ptr<lldb_private::REPL> REPLSP;
-typedef std::shared_ptr<lldb_private::RecognizedStackFrame>
- RecognizedStackFrameSP;
typedef std::shared_ptr<lldb_private::ScriptSummaryFormat>
ScriptSummaryFormatSP;
typedef std::shared_ptr<lldb_private::ScriptInterpreter> ScriptInterpreterSP;
@@ -434,8 +429,6 @@ typedef std::shared_ptr<lldb_private::St
typedef std::unique_ptr<lldb_private::StackFrame> StackFrameUP;
typedef std::weak_ptr<lldb_private::StackFrame> StackFrameWP;
typedef std::shared_ptr<lldb_private::StackFrameList> StackFrameListSP;
-typedef std::shared_ptr<lldb_private::StackFrameRecognizer>
- StackFrameRecognizerSP;
typedef std::shared_ptr<lldb_private::StopInfo> StopInfoSP;
typedef std::shared_ptr<lldb_private::StoppointLocation> StoppointLocationSP;
typedef std::shared_ptr<lldb_private::Stream> StreamSP;
Modified: lldb/trunk/lldb.xcodeproj/project.pbxproj
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/lldb.xcodeproj/project.pbxproj?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/lldb.xcodeproj/project.pbxproj (original)
+++ lldb/trunk/lldb.xcodeproj/project.pbxproj Tue Oct 30 17:29:17 2018
@@ -875,7 +875,6 @@
2689004C13353E0400698AC0 /* SourceManager.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 26BC7E8F10F1B85900F91463 /* SourceManager.cpp */; };
268900F313353E6F00698AC0 /* StackFrame.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 26BC7F3810F1B90C00F91463 /* StackFrame.cpp */; };
268900F413353E6F00698AC0 /* StackFrameList.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 26BC7F3910F1B90C00F91463 /* StackFrameList.cpp */; };
- 8CF46A6220522A9800423DDF /* StackFrameRecognizer.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 8CF46A6120522A9000423DDF /* StackFrameRecognizer.cpp */; };
268900F513353E6F00698AC0 /* StackID.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 26BC7F3A10F1B90C00F91463 /* StackID.cpp */; };
2689004D13353E0400698AC0 /* State.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 26BC7E9010F1B85900F91463 /* State.cpp */; };
9A3D43ED1F3237F900EB767C /* StateTest.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 9A3D43E21F3237D500EB767C /* StateTest.cpp */; };
@@ -2936,8 +2935,6 @@
26BC7DF510F1B81A00F91463 /* StackFrame.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = StackFrame.h; path = include/lldb/Target/StackFrame.h; sourceTree = "<group>"; };
26BC7F3910F1B90C00F91463 /* StackFrameList.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = StackFrameList.cpp; path = source/Target/StackFrameList.cpp; sourceTree = "<group>"; };
26BC7DF610F1B81A00F91463 /* StackFrameList.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = StackFrameList.h; path = include/lldb/Target/StackFrameList.h; sourceTree = "<group>"; };
- 8CF46A6120522A9000423DDF /* StackFrameRecognizer.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; name = StackFrameRecognizer.cpp; path = source/Target/StackFrameRecognizer.cpp; sourceTree = "<group>"; };
- 8CFDB67920467B390052B399 /* StackFrameRecognizer.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = StackFrameRecognizer.h; path = include/lldb/Target/StackFrameRecognizer.h; sourceTree = "<group>"; };
26BC7F3A10F1B90C00F91463 /* StackID.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = StackID.cpp; path = source/Target/StackID.cpp; sourceTree = "<group>"; };
26BC7DF710F1B81A00F91463 /* StackID.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = StackID.h; path = include/lldb/Target/StackID.h; sourceTree = "<group>"; };
26BC7E9010F1B85900F91463 /* State.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = State.cpp; path = source/Utility/State.cpp; sourceTree = "<group>"; };
@@ -5690,8 +5687,6 @@
26BC7F3810F1B90C00F91463 /* StackFrame.cpp */,
26BC7DF610F1B81A00F91463 /* StackFrameList.h */,
26BC7F3910F1B90C00F91463 /* StackFrameList.cpp */,
- 8CFDB67920467B390052B399 /* StackFrameRecognizer.h */,
- 8CF46A6120522A9000423DDF /* StackFrameRecognizer.cpp */,
26BC7DF710F1B81A00F91463 /* StackID.h */,
26BC7F3A10F1B90C00F91463 /* StackID.cpp */,
2615DB841208A9C90021781D /* StopInfo.h */,
@@ -8246,7 +8241,6 @@
268900F213353E6F00698AC0 /* SectionLoadList.cpp in Sources */,
268900F313353E6F00698AC0 /* StackFrame.cpp in Sources */,
268900F413353E6F00698AC0 /* StackFrameList.cpp in Sources */,
- 8CF46A6220522A9800423DDF /* StackFrameRecognizer.cpp in Sources */,
268900F513353E6F00698AC0 /* StackID.cpp in Sources */,
228B1B672113340200E61C70 /* ClangHighlighter.cpp in Sources */,
268900F613353E6F00698AC0 /* StopInfo.cpp in Sources */,
Modified: lldb/trunk/packages/Python/lldbsuite/test/functionalities/frame-recognizer/Makefile
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/functionalities/frame-recognizer/Makefile?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/packages/Python/lldbsuite/test/functionalities/frame-recognizer/Makefile (original)
+++ lldb/trunk/packages/Python/lldbsuite/test/functionalities/frame-recognizer/Makefile Tue Oct 30 17:29:17 2018
@@ -1,10 +0,0 @@
-LEVEL = ../../make
-
-OBJC_SOURCES := main.m
-
-CFLAGS_EXTRAS += -g0 # No debug info.
-MAKE_DSYM := NO
-
-include $(LEVEL)/Makefile.rules
-
-LDFLAGS += -framework Foundation
Modified: lldb/trunk/packages/Python/lldbsuite/test/functionalities/frame-recognizer/TestFrameRecognizer.py
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/functionalities/frame-recognizer/TestFrameRecognizer.py?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/packages/Python/lldbsuite/test/functionalities/frame-recognizer/TestFrameRecognizer.py (original)
+++ lldb/trunk/packages/Python/lldbsuite/test/functionalities/frame-recognizer/TestFrameRecognizer.py Tue Oct 30 17:29:17 2018
@@ -1,102 +0,0 @@
-# encoding: utf-8
-"""
-Test lldb's frame recognizers.
-"""
-
-import lldb
-from lldbsuite.test.decorators import *
-from lldbsuite.test.lldbtest import *
-from lldbsuite.test import lldbutil
-
-import recognizer
-
-class FrameRecognizerTestCase(TestBase):
-
- mydir = TestBase.compute_mydir(__file__)
- NO_DEBUG_INFO_TESTCASE = True
-
- @skipUnlessDarwin
- def test_frame_recognizer_1(self):
- self.build()
-
- target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
- self.assertTrue(target, VALID_TARGET)
-
- self.runCmd("command script import " + os.path.join(self.getSourceDir(), "recognizer.py"))
-
- self.expect("frame recognizer list",
- substrs=['no matching results found.'])
-
- self.runCmd("frame recognizer add -l recognizer.MyFrameRecognizer -s a.out -n foo")
-
- self.expect("frame recognizer list",
- substrs=['0: recognizer.MyFrameRecognizer, module a.out, function foo'])
-
- self.runCmd("frame recognizer add -l recognizer.MyOtherFrameRecognizer -s a.out -n bar -x")
-
- self.expect("frame recognizer list",
- substrs=['0: recognizer.MyFrameRecognizer, module a.out, function foo',
- '1: recognizer.MyOtherFrameRecognizer, module a.out, function bar (regexp)'
- ])
-
- self.runCmd("frame recognizer delete 0")
-
- self.expect("frame recognizer list",
- substrs=['1: recognizer.MyOtherFrameRecognizer, module a.out, function bar (regexp)'])
-
- self.runCmd("frame recognizer clear")
-
- self.expect("frame recognizer list",
- substrs=['no matching results found.'])
-
- self.runCmd("frame recognizer add -l recognizer.MyFrameRecognizer -s a.out -n foo")
-
- lldbutil.run_break_set_by_symbol(self, "foo")
- self.runCmd("r")
-
- self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
- substrs=['stopped', 'stop reason = breakpoint'])
-
- process = target.GetProcess()
- thread = process.GetSelectedThread()
- frame = thread.GetSelectedFrame()
-
- self.assertEqual(frame.GetSymbol().GetName(), "foo")
- self.assertFalse(frame.GetLineEntry().IsValid())
-
- self.expect("frame variable",
- substrs=['(int) a = 42', '(int) b = 56'])
-
- opts = lldb.SBVariablesOptions();
- opts.SetIncludeRecognizedArguments(True);
- variables = frame.GetVariables(opts);
-
- self.assertEqual(variables.GetSize(), 2)
- self.assertEqual(variables.GetValueAtIndex(0).name, "a")
- self.assertEqual(variables.GetValueAtIndex(0).signed, 42)
- self.assertEqual(variables.GetValueAtIndex(1).name, "b")
- self.assertEqual(variables.GetValueAtIndex(1).signed, 56)
-
- self.expect("frame recognizer info 0",
- substrs=['frame 0 is recognized by recognizer.MyFrameRecognizer'])
-
- self.expect("frame recognizer info 999", error=True,
- substrs=['no frame with index 999'])
-
- self.expect("frame recognizer info 1",
- substrs=['frame 1 not recognized by any recognizer'])
-
- # FIXME: The following doesn't work yet, but should be fixed.
- """
- lldbutil.run_break_set_by_symbol(self, "bar")
- self.runCmd("c")
-
- self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
- substrs=['stopped', 'stop reason = breakpoint'])
-
- self.expect("frame variable -t",
- substrs=['(int *) a = '])
-
- self.expect("frame variable -t *a",
- substrs=['*a = 78'])
- """
Modified: lldb/trunk/packages/Python/lldbsuite/test/functionalities/frame-recognizer/main.m
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/functionalities/frame-recognizer/main.m?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/packages/Python/lldbsuite/test/functionalities/frame-recognizer/main.m (original)
+++ lldb/trunk/packages/Python/lldbsuite/test/functionalities/frame-recognizer/main.m Tue Oct 30 17:29:17 2018
@@ -1,28 +0,0 @@
-//===-- main.m ------------------------------------------------*- ObjC -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#import <Foundation/Foundation.h>
-
-void foo(int a, int b)
-{
- printf("%d %d\n", a, b);
-}
-
-void bar(int *ptr)
-{
- printf("%d\n", *ptr);
-}
-
-int main (int argc, const char * argv[])
-{
- foo(42, 56);
- int i = 78;
- bar(&i);
- return 0;
-}
Modified: lldb/trunk/packages/Python/lldbsuite/test/functionalities/frame-recognizer/recognizer.py
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/functionalities/frame-recognizer/recognizer.py?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/packages/Python/lldbsuite/test/functionalities/frame-recognizer/recognizer.py (original)
+++ lldb/trunk/packages/Python/lldbsuite/test/functionalities/frame-recognizer/recognizer.py Tue Oct 30 17:29:17 2018
@@ -1,21 +0,0 @@
-# encoding: utf-8
-
-import lldb
-
-class MyFrameRecognizer(object):
- def get_recognized_arguments(self, frame):
- if frame.name == "foo":
- arg1 = frame.EvaluateExpression("$arg1").signed
- arg2 = frame.EvaluateExpression("$arg2").signed
- val1 = lldb.target.CreateValueFromExpression("a", "%d" % arg1)
- val2 = lldb.target.CreateValueFromExpression("b", "%d" % arg2)
- return [val1, val2]
- elif frame.name == "bar":
- arg1 = frame.EvaluateExpression("$arg1").signed
- val1 = lldb.target.CreateValueFromExpression("a", "(int *)%d" % arg1)
- return [val1]
- return []
-
-class MyOtherFrameRecognizer(object):
- def get_recognized_arguments(self, frame):
- return []
Modified: lldb/trunk/scripts/Python/python-wrapper.swig
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/scripts/Python/python-wrapper.swig?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/scripts/Python/python-wrapper.swig (original)
+++ lldb/trunk/scripts/Python/python-wrapper.swig Tue Oct 30 17:29:17 2018
@@ -785,52 +785,6 @@ LLDBSWIGPythonCreateOSPlugin
}
SWIGEXPORT void*
-LLDBSWIGPython_CreateFrameRecognizer
-(
- const char *python_class_name,
- const char *session_dictionary_name
-)
-{
- using namespace lldb_private;
-
- if (python_class_name == NULL || python_class_name[0] == '\0' || !session_dictionary_name)
- Py_RETURN_NONE;
-
- PyErr_Cleaner py_err_cleaner(true);
-
- auto dict = PythonModule::MainModule().ResolveName<PythonDictionary>(session_dictionary_name);
- auto pfunc = PythonObject::ResolveNameWithDictionary<PythonCallable>(python_class_name, dict);
-
- if (!pfunc.IsAllocated())
- Py_RETURN_NONE;
-
- auto result = pfunc();
-
- if (result.IsAllocated())
- return result.release();
-
- Py_RETURN_NONE;
-}
-
-SWIGEXPORT PyObject*
-LLDBSwigPython_GetRecognizedArguments
-(
- PyObject *implementor,
- const lldb::StackFrameSP& frame_sp
-)
-{
- using namespace lldb_private;
-
- static char callee_name[] = "get_recognized_arguments";
-
- lldb::SBFrame frame_sb(frame_sp);
- PyObject *arg = SBTypeToSWIGWrapper(frame_sb);
-
- PyObject* result = PyObject_CallMethodObjArgs(implementor, PyString_FromString(callee_name), arg, NULL);
- return result;
-}
-
-SWIGEXPORT void*
LLDBSWIGPython_GetDynamicSetting (void* module, const char* setting, const lldb::TargetSP& target_sp)
{
using namespace lldb_private;
Modified: lldb/trunk/scripts/interface/SBVariablesOptions.i
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/scripts/interface/SBVariablesOptions.i?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/scripts/interface/SBVariablesOptions.i (original)
+++ lldb/trunk/scripts/interface/SBVariablesOptions.i Tue Oct 30 17:29:17 2018
@@ -26,13 +26,7 @@ public:
void
SetIncludeArguments (bool);
-
- bool
- GetIncludeRecognizedArguments () const;
-
- void
- SetIncludeRecognizedArguments (bool);
-
+
bool
GetIncludeLocals () const;
Modified: lldb/trunk/source/API/SBFrame.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/API/SBFrame.cpp?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/source/API/SBFrame.cpp (original)
+++ lldb/trunk/source/API/SBFrame.cpp Tue Oct 30 17:29:17 2018
@@ -36,7 +36,6 @@
#include "lldb/Target/Process.h"
#include "lldb/Target/RegisterContext.h"
#include "lldb/Target/StackFrame.h"
-#include "lldb/Target/StackFrameRecognizer.h"
#include "lldb/Target/StackID.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
@@ -961,7 +960,6 @@ SBValueList SBFrame::GetVariables(const
const bool statics = options.GetIncludeStatics();
const bool arguments = options.GetIncludeArguments();
- const bool recognized_arguments = options.GetIncludeRecognizedArguments();
const bool locals = options.GetIncludeLocals();
const bool in_scope_only = options.GetInScopeOnly();
const bool include_runtime_support_values =
@@ -969,11 +967,10 @@ SBValueList SBFrame::GetVariables(const
const lldb::DynamicValueType use_dynamic = options.GetUseDynamic();
if (log)
- log->Printf(
- "SBFrame::GetVariables (arguments=%i, recognized_arguments=%i, "
- "locals=%i, statics=%i, in_scope_only=%i runtime=%i dynamic=%i)",
- arguments, recognized_arguments, locals, statics, in_scope_only,
- include_runtime_support_values, use_dynamic);
+ log->Printf("SBFrame::GetVariables (arguments=%i, locals=%i, statics=%i, "
+ "in_scope_only=%i runtime=%i dynamic=%i)",
+ arguments, locals, statics, in_scope_only,
+ include_runtime_support_values, use_dynamic);
std::set<VariableSP> variable_set;
Process *process = exe_ctx.GetProcessPtr();
@@ -1034,20 +1031,6 @@ SBValueList SBFrame::GetVariables(const
}
}
}
- }
- if (recognized_arguments) {
- auto recognized_frame = frame->GetRecognizedFrame();
- if (recognized_frame) {
- ValueObjectListSP recognized_arg_list =
- recognized_frame->GetRecognizedArguments();
- if (recognized_arg_list) {
- for (auto &rec_value_sp : recognized_arg_list->GetObjects()) {
- SBValue value_sb;
- value_sb.SetSP(rec_value_sp, use_dynamic);
- value_list.Append(value_sb);
- }
- }
- }
}
} else {
if (log)
Modified: lldb/trunk/source/API/SBVariablesOptions.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/API/SBVariablesOptions.cpp?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/source/API/SBVariablesOptions.cpp (original)
+++ lldb/trunk/source/API/SBVariablesOptions.cpp Tue Oct 30 17:29:17 2018
@@ -16,9 +16,9 @@ using namespace lldb_private;
class VariablesOptionsImpl {
public:
VariablesOptionsImpl()
- : m_include_arguments(false), m_include_recognized_arguments(false),
- m_include_locals(false), m_include_statics(false),
- m_in_scope_only(false), m_include_runtime_support_values(false),
+ : m_include_arguments(false), m_include_locals(false),
+ m_include_statics(false), m_in_scope_only(false),
+ m_include_runtime_support_values(false),
m_use_dynamic(lldb::eNoDynamicValues) {}
VariablesOptionsImpl(const VariablesOptionsImpl &) = default;
@@ -31,14 +31,6 @@ public:
void SetIncludeArguments(bool b) { m_include_arguments = b; }
- bool GetIncludeRecognizedArguments() const {
- return m_include_recognized_arguments;
- }
-
- void SetIncludeRecognizedArguments(bool b) {
- m_include_recognized_arguments = b;
- }
-
bool GetIncludeLocals() const { return m_include_locals; }
void SetIncludeLocals(bool b) { m_include_locals = b; }
@@ -65,7 +57,6 @@ public:
private:
bool m_include_arguments : 1;
- bool m_include_recognized_arguments : 1;
bool m_include_locals : 1;
bool m_include_statics : 1;
bool m_in_scope_only : 1;
@@ -99,14 +90,6 @@ void SBVariablesOptions::SetIncludeArgum
m_opaque_ap->SetIncludeArguments(arguments);
}
-bool SBVariablesOptions::GetIncludeRecognizedArguments() const {
- return m_opaque_ap->GetIncludeRecognizedArguments();
-}
-
-void SBVariablesOptions::SetIncludeRecognizedArguments(bool arguments) {
- m_opaque_ap->SetIncludeRecognizedArguments(arguments);
-}
-
bool SBVariablesOptions::GetIncludeLocals() const {
return m_opaque_ap->GetIncludeLocals();
}
Modified: lldb/trunk/source/API/SystemInitializerFull.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/API/SystemInitializerFull.cpp?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/source/API/SystemInitializerFull.cpp (original)
+++ lldb/trunk/source/API/SystemInitializerFull.cpp Tue Oct 30 17:29:17 2018
@@ -235,13 +235,6 @@ LLDBSWIGPythonCreateOSPlugin(const char
const char *session_dictionary_name,
const lldb::ProcessSP &process_sp);
-extern "C" void *LLDBSWIGPython_CreateFrameRecognizer(
- const char *python_class_name,
- const char *session_dictionary_name);
-
-extern "C" void *LLDBSwigPython_GetRecognizedArguments(void *implementor,
- const lldb::StackFrameSP& frame_sp);
-
extern "C" bool LLDBSWIGPythonRunScriptKeywordProcess(
const char *python_function_name, const char *session_dictionary_name,
lldb::ProcessSP &process, std::string &output);
@@ -430,9 +423,7 @@ void SystemInitializerFull::InitializeSW
LLDBSwigPython_MightHaveChildrenSynthProviderInstance,
LLDBSwigPython_GetValueSynthProviderInstance, LLDBSwigPythonCallCommand,
LLDBSwigPythonCallCommandObject, LLDBSwigPythonCallModuleInit,
- LLDBSWIGPythonCreateOSPlugin, LLDBSWIGPython_CreateFrameRecognizer,
- LLDBSwigPython_GetRecognizedArguments,
- LLDBSWIGPythonRunScriptKeywordProcess,
+ LLDBSWIGPythonCreateOSPlugin, LLDBSWIGPythonRunScriptKeywordProcess,
LLDBSWIGPythonRunScriptKeywordThread,
LLDBSWIGPythonRunScriptKeywordTarget, LLDBSWIGPythonRunScriptKeywordFrame,
LLDBSWIGPythonRunScriptKeywordValue, LLDBSWIGPython_GetDynamicSetting,
Modified: lldb/trunk/source/Commands/CommandObjectFrame.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Commands/CommandObjectFrame.cpp?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/source/Commands/CommandObjectFrame.cpp (original)
+++ lldb/trunk/source/Commands/CommandObjectFrame.cpp Tue Oct 30 17:29:17 2018
@@ -24,7 +24,6 @@
#include "lldb/DataFormatters/ValueObjectPrinter.h"
#include "lldb/Host/Host.h"
#include "lldb/Host/OptionParser.h"
-#include "lldb/Host/StringConvert.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandReturnObject.h"
#include "lldb/Interpreter/OptionGroupFormat.h"
@@ -41,7 +40,6 @@
#include "lldb/Symbol/VariableList.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/StackFrame.h"
-#include "lldb/Target/StackFrameRecognizer.h"
#include "lldb/Target/StopInfo.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
@@ -717,23 +715,6 @@ protected:
result.SetStatus(eReturnStatusSuccessFinishResult);
}
- if (m_option_variable.show_recognized_args) {
- auto recognized_frame = frame->GetRecognizedFrame();
- if (recognized_frame) {
- ValueObjectListSP recognized_arg_list =
- recognized_frame->GetRecognizedArguments();
- if (recognized_arg_list) {
- for (auto &rec_value_sp : recognized_arg_list->GetObjects()) {
- options.SetFormat(m_option_format.GetFormat());
- options.SetVariableFormatDisplayLanguage(
- rec_value_sp->GetPreferredDisplayLanguage());
- options.SetRootValueObjectName(rec_value_sp->GetName().AsCString());
- rec_value_sp->Dump(result.GetOutputStream(), options);
- }
- }
- }
- }
-
if (m_interpreter.TruncationWarningNecessary()) {
result.GetOutputStream().Printf(m_interpreter.TruncationWarningText(),
m_cmd_name.c_str());
@@ -757,368 +738,6 @@ protected:
OptionGroupValueObjectDisplay m_varobj_options;
};
-#pragma mark CommandObjectFrameRecognizer
-
-static OptionDefinition g_frame_recognizer_add_options[] = {
- // clang-format off
- { LLDB_OPT_SET_ALL, false, "shlib", 's', OptionParser::eRequiredArgument, nullptr, {}, CommandCompletions::eModuleCompletion, eArgTypeShlibName, "Name of the module or shared library that this recognizer applies to." },
- { LLDB_OPT_SET_ALL, false, "function", 'n', OptionParser::eRequiredArgument, nullptr, {}, CommandCompletions::eSymbolCompletion, eArgTypeName, "Name of the function that this recognizer applies to." },
- { LLDB_OPT_SET_2, false, "python-class", 'l', OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypePythonClass, "Give the name of a Python class to use for this frame recognizer." },
- { LLDB_OPT_SET_ALL, false, "regex", 'x', OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeNone, "Function name and module name are actually regular expressions." }
- // clang-format on
-};
-
-class CommandObjectFrameRecognizerAdd : public CommandObjectParsed {
-private:
- class CommandOptions : public Options {
- public:
- CommandOptions() : Options() {}
- ~CommandOptions() override = default;
-
- Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
- ExecutionContext *execution_context) override {
- Status error;
- const int short_option = m_getopt_table[option_idx].val;
-
- switch (short_option) {
- case 'l':
- m_class_name = std::string(option_arg);
- break;
- case 's':
- m_module = std::string(option_arg);
- break;
- case 'n':
- m_function = std::string(option_arg);
- break;
- case 'x':
- m_regex = true;
- break;
- default:
- error.SetErrorStringWithFormat("unrecognized option '%c'",
- short_option);
- break;
- }
-
- return error;
- }
-
- void OptionParsingStarting(ExecutionContext *execution_context) override {
- m_module = "";
- m_function = "";
- m_class_name = "";
- m_regex = false;
- }
-
- llvm::ArrayRef<OptionDefinition> GetDefinitions() override {
- return llvm::makeArrayRef(g_frame_recognizer_add_options);
- }
-
- // Instance variables to hold the values for command options.
- std::string m_class_name;
- std::string m_module;
- std::string m_function;
- bool m_regex;
- };
-
- CommandOptions m_options;
-
- Options *GetOptions() override { return &m_options; }
-
-protected:
- bool DoExecute(Args &command, CommandReturnObject &result) override;
-
-public:
- CommandObjectFrameRecognizerAdd(CommandInterpreter &interpreter)
- : CommandObjectParsed(interpreter, "frame recognizer add",
- "Add a new frame recognizer.", nullptr),
- m_options() {
- SetHelpLong(R"(
-Frame recognizers allow for retrieving information about special frames based on
-ABI, arguments or other special properties of that frame, even without source
-code or debug info. Currently, one use case is to extract function arguments
-that would otherwise be unaccesible, or augment existing arguments.
-
-Adding a custom frame recognizer is possible by implementing a Python class
-and using the 'frame recognizer add' command. The Python class should have a
-'get_recognized_arguments' method and it will receive an argument of type
-lldb.SBFrame representing the current frame that we are trying to recognize.
-The method should return a (possibly empty) list of lldb.SBValue objects that
-represent the recognized arguments.
-
-An example of a recognizer that retrieves the file descriptor values from libc
-functions 'read', 'write' and 'close' follows:
-
- class LibcFdRecognizer(object):
- def get_recognized_arguments(self, frame):
- if frame.name in ["read", "write", "close"]:
- fd = frame.EvaluateExpression("$arg1").unsigned
- value = lldb.target.CreateValueFromExpression("fd", "(int)%d" % fd)
- return [value]
- return []
-
-The file containing this implementation can be imported via 'command script
-import' and then we can register this recognizer with 'frame recognizer add'.
-It's important to restrict the recognizer to the libc library (which is
-libsystem_kernel.dylib on macOS) to avoid matching functions with the same name
-in other modules:
-
-(lldb) command script import .../fd_recognizer.py
-(lldb) frame recognizer add -l fd_recognizer.LibcFdRecognizer -n read -s libsystem_kernel.dylib
-
-When the program is stopped at the beginning of the 'read' function in libc, we
-can view the recognizer arguments in 'frame variable':
-
-(lldb) b read
-(lldb) r
-Process 1234 stopped
-* thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 1.3
- frame #0: 0x00007fff06013ca0 libsystem_kernel.dylib`read
-(lldb) frame variable
-(int) fd = 3
-
- )");
- }
- ~CommandObjectFrameRecognizerAdd() override = default;
-};
-
-bool CommandObjectFrameRecognizerAdd::DoExecute(Args &command,
- CommandReturnObject &result) {
- if (m_options.m_class_name.empty()) {
- result.AppendErrorWithFormat(
- "%s needs a Python class name (-l argument).\n", m_cmd_name.c_str());
- result.SetStatus(eReturnStatusFailed);
- return false;
- }
-
- if (m_options.m_module.empty()) {
- result.AppendErrorWithFormat("%s needs a module name (-s argument).\n",
- m_cmd_name.c_str());
- result.SetStatus(eReturnStatusFailed);
- return false;
- }
-
- if (m_options.m_function.empty()) {
- result.AppendErrorWithFormat("%s needs a function name (-n argument).\n",
- m_cmd_name.c_str());
- result.SetStatus(eReturnStatusFailed);
- return false;
- }
-
- ScriptInterpreter *interpreter = m_interpreter.GetScriptInterpreter();
-
- if (interpreter &&
- !interpreter->CheckObjectExists(m_options.m_class_name.c_str())) {
- result.AppendWarning(
- "The provided class does not exist - please define it "
- "before attempting to use this frame recognizer");
- }
-
- StackFrameRecognizerSP recognizer_sp =
- StackFrameRecognizerSP(new ScriptedStackFrameRecognizer(
- interpreter, m_options.m_class_name.c_str()));
- if (m_options.m_regex) {
- auto module =
- RegularExpressionSP(new RegularExpression(m_options.m_module));
- auto func =
- RegularExpressionSP(new RegularExpression(m_options.m_function));
- StackFrameRecognizerManager::AddRecognizer(recognizer_sp, module, func);
- } else {
- auto module = ConstString(m_options.m_module);
- auto func = ConstString(m_options.m_function);
- StackFrameRecognizerManager::AddRecognizer(recognizer_sp, module, func);
- }
-
- result.SetStatus(eReturnStatusSuccessFinishNoResult);
- return result.Succeeded();
-}
-
-class CommandObjectFrameRecognizerClear : public CommandObjectParsed {
-public:
- CommandObjectFrameRecognizerClear(CommandInterpreter &interpreter)
- : CommandObjectParsed(interpreter, "frame recognizer clear",
- "Delete all frame recognizers.", nullptr) {}
-
- ~CommandObjectFrameRecognizerClear() override = default;
-
-protected:
- bool DoExecute(Args &command, CommandReturnObject &result) override {
- StackFrameRecognizerManager::RemoveAllRecognizers();
- result.SetStatus(eReturnStatusSuccessFinishResult);
- return result.Succeeded();
- }
-};
-
-class CommandObjectFrameRecognizerDelete : public CommandObjectParsed {
- public:
- CommandObjectFrameRecognizerDelete(CommandInterpreter &interpreter)
- : CommandObjectParsed(interpreter, "frame recognizer delete",
- "Delete an existing frame recognizer.", nullptr) {}
-
- ~CommandObjectFrameRecognizerDelete() override = default;
-
- protected:
- bool DoExecute(Args &command, CommandReturnObject &result) override {
- if (command.GetArgumentCount() == 0) {
- if (!m_interpreter.Confirm(
- "About to delete all frame recognizers, do you want to do that?",
- true)) {
- result.AppendMessage("Operation cancelled...");
- result.SetStatus(eReturnStatusFailed);
- return false;
- }
-
- StackFrameRecognizerManager::RemoveAllRecognizers();
- result.SetStatus(eReturnStatusSuccessFinishResult);
- return result.Succeeded();
- }
-
- if (command.GetArgumentCount() != 1) {
- result.AppendErrorWithFormat("'%s' takes zero or one arguments.\n",
- m_cmd_name.c_str());
- result.SetStatus(eReturnStatusFailed);
- return false;
- }
-
- uint32_t recognizer_id =
- StringConvert::ToUInt32(command.GetArgumentAtIndex(0), 0, 0);
-
- StackFrameRecognizerManager::RemoveRecognizerWithID(recognizer_id);
- result.SetStatus(eReturnStatusSuccessFinishResult);
- return result.Succeeded();
- }
-};
-
-class CommandObjectFrameRecognizerList : public CommandObjectParsed {
- public:
- CommandObjectFrameRecognizerList(CommandInterpreter &interpreter)
- : CommandObjectParsed(interpreter, "frame recognizer list",
- "Show a list of active frame recognizers.",
- nullptr) {}
-
- ~CommandObjectFrameRecognizerList() override = default;
-
- protected:
- bool DoExecute(Args &command, CommandReturnObject &result) override {
- bool any_printed = false;
- StackFrameRecognizerManager::ForEach(
- [&result, &any_printed](uint32_t recognizer_id, std::string name,
- std::string function, std::string symbol,
- bool regexp) {
- if (name == "") name = "(internal)";
- result.GetOutputStream().Printf(
- "%d: %s, module %s, function %s%s\n", recognizer_id, name.c_str(),
- function.c_str(), symbol.c_str(), regexp ? " (regexp)" : "");
- any_printed = true;
- });
-
- if (any_printed)
- result.SetStatus(eReturnStatusSuccessFinishResult);
- else {
- result.GetOutputStream().PutCString("no matching results found.\n");
- result.SetStatus(eReturnStatusSuccessFinishNoResult);
- }
- return result.Succeeded();
- }
-};
-
-class CommandObjectFrameRecognizerInfo : public CommandObjectParsed {
- public:
- CommandObjectFrameRecognizerInfo(CommandInterpreter &interpreter)
- : CommandObjectParsed(
- interpreter, "frame recognizer info",
- "Show which frame recognizer is applied a stack frame (if any).",
- nullptr) {
- CommandArgumentEntry arg;
- CommandArgumentData index_arg;
-
- // Define the first (and only) variant of this arg.
- index_arg.arg_type = eArgTypeFrameIndex;
- index_arg.arg_repetition = eArgRepeatPlain;
-
- // There is only one variant this argument could be; put it into the
- // argument entry.
- arg.push_back(index_arg);
-
- // Push the data for the first argument into the m_arguments vector.
- m_arguments.push_back(arg);
- }
-
- ~CommandObjectFrameRecognizerInfo() override = default;
-
- protected:
- bool DoExecute(Args &command, CommandReturnObject &result) override {
- Process *process = m_exe_ctx.GetProcessPtr();
- if (process == nullptr) {
- result.AppendError("no process");
- result.SetStatus(eReturnStatusFailed);
- return false;
- }
- Thread *thread = m_exe_ctx.GetThreadPtr();
- if (thread == nullptr) {
- result.AppendError("no thread");
- result.SetStatus(eReturnStatusFailed);
- return false;
- }
- if (command.GetArgumentCount() != 1) {
- result.AppendErrorWithFormat(
- "'%s' takes exactly one frame index argument.\n", m_cmd_name.c_str());
- result.SetStatus(eReturnStatusFailed);
- return false;
- }
-
- uint32_t frame_index =
- StringConvert::ToUInt32(command.GetArgumentAtIndex(0), 0, 0);
- StackFrameSP frame_sp = thread->GetStackFrameAtIndex(frame_index);
- if (!frame_sp) {
- result.AppendErrorWithFormat("no frame with index %u", frame_index);
- result.SetStatus(eReturnStatusFailed);
- return false;
- }
-
- auto recognizer =
- StackFrameRecognizerManager::GetRecognizerForFrame(frame_sp);
-
- Stream &output_stream = result.GetOutputStream();
- output_stream.Printf("frame %d ", frame_index);
- if (recognizer) {
- output_stream << "is recognized by ";
- output_stream << recognizer->GetName();
- } else {
- output_stream << "not recognized by any recognizer";
- }
- output_stream.EOL();
- result.SetStatus(eReturnStatusSuccessFinishResult);
- return result.Succeeded();
- }
-};
-
-class CommandObjectFrameRecognizer : public CommandObjectMultiword {
- public:
- CommandObjectFrameRecognizer(CommandInterpreter &interpreter)
- : CommandObjectMultiword(
- interpreter, "frame recognizer",
- "Commands for editing and viewing frame recognizers.",
- "frame recognizer [<sub-command-options>] ") {
- LoadSubCommand(
- "add",
- CommandObjectSP(new CommandObjectFrameRecognizerAdd(interpreter)));
- LoadSubCommand(
- "clear",
- CommandObjectSP(new CommandObjectFrameRecognizerClear(interpreter)));
- LoadSubCommand(
- "delete",
- CommandObjectSP(new CommandObjectFrameRecognizerDelete(interpreter)));
- LoadSubCommand(
- "list",
- CommandObjectSP(new CommandObjectFrameRecognizerList(interpreter)));
- LoadSubCommand(
- "info",
- CommandObjectSP(new CommandObjectFrameRecognizerInfo(interpreter)));
- }
-
- ~CommandObjectFrameRecognizer() override = default;
-};
-
#pragma mark CommandObjectMultiwordFrame
//-------------------------------------------------------------------------
@@ -1139,11 +758,6 @@ CommandObjectMultiwordFrame::CommandObje
CommandObjectSP(new CommandObjectFrameSelect(interpreter)));
LoadSubCommand("variable",
CommandObjectSP(new CommandObjectFrameVariable(interpreter)));
-#ifndef LLDB_DISABLE_PYTHON
- LoadSubCommand(
- "recognizer",
- CommandObjectSP(new CommandObjectFrameRecognizer(interpreter)));
-#endif
}
CommandObjectMultiwordFrame::~CommandObjectMultiwordFrame() = default;
Modified: lldb/trunk/source/Interpreter/OptionGroupVariable.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Interpreter/OptionGroupVariable.cpp?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/source/Interpreter/OptionGroupVariable.cpp (original)
+++ lldb/trunk/source/Interpreter/OptionGroupVariable.cpp Tue Oct 30 17:29:17 2018
@@ -28,9 +28,6 @@ static constexpr OptionDefinition g_vari
{LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "no-args", 'a',
OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeNone,
"Omit function arguments."},
- {LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "no-recognized-args", 't',
- OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeNone,
- "Omit recognized function arguments."},
{LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "no-locals", 'l',
OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeNone,
"Omit local variables."},
@@ -104,9 +101,6 @@ OptionGroupVariable::SetOptionValue(uint
case 's':
show_scope = true;
break;
- case 't':
- show_recognized_args = false;
- break;
case 'y':
error = summary.SetCurrentValue(option_arg);
break;
@@ -125,7 +119,6 @@ OptionGroupVariable::SetOptionValue(uint
void OptionGroupVariable::OptionParsingStarting(
ExecutionContext *execution_context) {
show_args = true; // Frame option only
- show_recognized_args = true; // Frame option only
show_locals = true; // Frame option only
show_globals = false; // Frame option only
show_decl = false;
Modified: lldb/trunk/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp (original)
+++ lldb/trunk/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp Tue Oct 30 17:29:17 2018
@@ -27,7 +27,6 @@
#include <string>
#include "lldb/API/SBValue.h"
-#include "lldb/API/SBFrame.h"
#include "lldb/Breakpoint/BreakpointLocation.h"
#include "lldb/Breakpoint/StoppointCallbackContext.h"
#include "lldb/Breakpoint/WatchpointOptions.h"
@@ -92,10 +91,6 @@ static ScriptInterpreterPython::SWIGPyth
g_swig_call_module_init = nullptr;
static ScriptInterpreterPython::SWIGPythonCreateOSPlugin
g_swig_create_os_plugin = nullptr;
-static ScriptInterpreterPython::SWIGPythonCreateFrameRecognizer
- g_swig_create_frame_recognizer = nullptr;
-static ScriptInterpreterPython::SWIGPythonGetRecognizedArguments
- g_swig_get_recognized_arguments = nullptr;
static ScriptInterpreterPython::SWIGPythonScriptKeyword_Process
g_swig_run_script_keyword_process = nullptr;
static ScriptInterpreterPython::SWIGPythonScriptKeyword_Thread
@@ -1503,61 +1498,6 @@ bool ScriptInterpreterPython::GenerateTy
return true;
}
-StructuredData::GenericSP ScriptInterpreterPython::CreateFrameRecognizer(
- const char *class_name) {
- if (class_name == nullptr || class_name[0] == '\0')
- return StructuredData::GenericSP();
-
- void *ret_val;
-
- {
- Locker py_lock(this, Locker::AcquireLock | Locker::NoSTDIN,
- Locker::FreeLock);
- ret_val =
- g_swig_create_frame_recognizer(class_name, m_dictionary_name.c_str());
- }
-
- return StructuredData::GenericSP(new StructuredPythonObject(ret_val));
-}
-
-lldb::ValueObjectListSP ScriptInterpreterPython::GetRecognizedArguments(
- const StructuredData::ObjectSP &os_plugin_object_sp,
- lldb::StackFrameSP frame_sp) {
- Locker py_lock(this, Locker::AcquireLock | Locker::NoSTDIN, Locker::FreeLock);
-
- if (!os_plugin_object_sp) return ValueObjectListSP();
-
- StructuredData::Generic *generic = os_plugin_object_sp->GetAsGeneric();
- if (!generic) return nullptr;
-
- PythonObject implementor(PyRefType::Borrowed,
- (PyObject *)generic->GetValue());
-
- if (!implementor.IsAllocated()) return ValueObjectListSP();
-
- PythonObject py_return(
- PyRefType::Owned,
- (PyObject *)g_swig_get_recognized_arguments(implementor.get(), frame_sp));
-
- // if it fails, print the error but otherwise go on
- if (PyErr_Occurred()) {
- PyErr_Print();
- PyErr_Clear();
- }
- if (py_return.get()) {
- PythonList result_list(PyRefType::Borrowed, py_return.get());
- ValueObjectListSP result = ValueObjectListSP(new ValueObjectList());
- for (int i = 0; i < result_list.GetSize(); i++) {
- PyObject *item = result_list.GetItemAtIndex(i).get();
- lldb::SBValue *sb_value_ptr =
- (lldb::SBValue *)g_swig_cast_to_sbvalue(item);
- if (sb_value_ptr->IsValid()) result->Append(sb_value_ptr->GetSP());
- }
- return result;
- }
- return ValueObjectListSP();
-}
-
StructuredData::GenericSP ScriptInterpreterPython::OSPlugin_CreatePluginObject(
const char *class_name, lldb::ProcessSP process_sp) {
if (class_name == nullptr || class_name[0] == '\0')
@@ -3245,8 +3185,6 @@ void ScriptInterpreterPython::Initialize
SWIGPythonCallCommandObject swig_call_command_object,
SWIGPythonCallModuleInit swig_call_module_init,
SWIGPythonCreateOSPlugin swig_create_os_plugin,
- SWIGPythonCreateFrameRecognizer swig_create_frame_recognizer,
- SWIGPythonGetRecognizedArguments swig_get_recognized_arguments,
SWIGPythonScriptKeyword_Process swig_run_script_keyword_process,
SWIGPythonScriptKeyword_Thread swig_run_script_keyword_thread,
SWIGPythonScriptKeyword_Target swig_run_script_keyword_target,
@@ -3275,8 +3213,6 @@ void ScriptInterpreterPython::Initialize
g_swig_call_command_object = swig_call_command_object;
g_swig_call_module_init = swig_call_module_init;
g_swig_create_os_plugin = swig_create_os_plugin;
- g_swig_create_frame_recognizer = swig_create_frame_recognizer;
- g_swig_get_recognized_arguments = swig_get_recognized_arguments;
g_swig_run_script_keyword_process = swig_run_script_keyword_process;
g_swig_run_script_keyword_thread = swig_run_script_keyword_thread;
g_swig_run_script_keyword_target = swig_run_script_keyword_target;
Modified: lldb/trunk/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.h?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.h (original)
+++ lldb/trunk/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.h Tue Oct 30 17:29:17 2018
@@ -94,12 +94,6 @@ public:
const char *session_dictionary_name,
const lldb::ProcessSP &process_sp);
- typedef void *(*SWIGPythonCreateFrameRecognizer)(
- const char *python_class_name, const char *session_dictionary_name);
-
- typedef void *(*SWIGPythonGetRecognizedArguments)(
- void *implementor, const lldb::StackFrameSP &frame_sp);
-
typedef size_t (*SWIGPythonCalculateNumChildren)(void *implementor,
uint32_t max);
@@ -238,13 +232,6 @@ public:
implementor_sp) override;
StructuredData::GenericSP
- CreateFrameRecognizer(const char *class_name) override;
-
- lldb::ValueObjectListSP
- GetRecognizedArguments(const StructuredData::ObjectSP &implementor,
- lldb::StackFrameSP frame_sp) override;
-
- StructuredData::GenericSP
OSPlugin_CreatePluginObject(const char *class_name,
lldb::ProcessSP process_sp) override;
@@ -439,8 +426,6 @@ public:
SWIGPythonCallCommandObject swig_call_command_object,
SWIGPythonCallModuleInit swig_call_module_init,
SWIGPythonCreateOSPlugin swig_create_os_plugin,
- SWIGPythonCreateFrameRecognizer swig_create_frame_recognizer,
- SWIGPythonGetRecognizedArguments swig_get_recognized_arguments,
SWIGPythonScriptKeyword_Process swig_run_script_keyword_process,
SWIGPythonScriptKeyword_Thread swig_run_script_keyword_thread,
SWIGPythonScriptKeyword_Target swig_run_script_keyword_target,
Modified: lldb/trunk/source/Target/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Target/CMakeLists.txt?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/source/Target/CMakeLists.txt (original)
+++ lldb/trunk/source/Target/CMakeLists.txt Tue Oct 30 17:29:17 2018
@@ -28,7 +28,6 @@ add_lldb_library(lldbTarget
SectionLoadList.cpp
StackFrame.cpp
StackFrameList.cpp
- StackFrameRecognizer.cpp
StackID.cpp
StopInfo.cpp
StructuredDataPlugin.cpp
Modified: lldb/trunk/source/Target/StackFrame.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Target/StackFrame.cpp?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/source/Target/StackFrame.cpp (original)
+++ lldb/trunk/source/Target/StackFrame.cpp Tue Oct 30 17:29:17 2018
@@ -31,7 +31,6 @@
#include "lldb/Target/ExecutionContext.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/RegisterContext.h"
-#include "lldb/Target/StackFrameRecognizer.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
#include "lldb/Utility/RegisterValue.h"
@@ -59,8 +58,7 @@ StackFrame::StackFrame(const ThreadSP &t
m_id(pc, cfa, nullptr), m_frame_code_addr(pc), m_sc(), m_flags(),
m_frame_base(), m_frame_base_error(), m_cfa_is_valid(cfa_is_valid),
m_stack_frame_kind(kind), m_variable_list_sp(),
- m_variable_list_value_objects(), m_recognized_frame_sp(), m_disassembly(),
- m_mutex() {
+ m_variable_list_value_objects(), m_disassembly(), m_mutex() {
// If we don't have a CFA value, use the frame index for our StackID so that
// recursive functions properly aren't confused with one another on a history
// stack.
@@ -84,8 +82,7 @@ StackFrame::StackFrame(const ThreadSP &t
m_frame_code_addr(pc), m_sc(), m_flags(), m_frame_base(),
m_frame_base_error(), m_cfa_is_valid(true),
m_stack_frame_kind(StackFrame::Kind::Regular), m_variable_list_sp(),
- m_variable_list_value_objects(), m_recognized_frame_sp(), m_disassembly(),
- m_mutex() {
+ m_variable_list_value_objects(), m_disassembly(), m_mutex() {
if (sc_ptr != nullptr) {
m_sc = *sc_ptr;
m_flags.Set(m_sc.GetResolvedMask());
@@ -110,8 +107,7 @@ StackFrame::StackFrame(const ThreadSP &t
m_frame_code_addr(pc_addr), m_sc(), m_flags(), m_frame_base(),
m_frame_base_error(), m_cfa_is_valid(true),
m_stack_frame_kind(StackFrame::Kind::Regular), m_variable_list_sp(),
- m_variable_list_value_objects(), m_recognized_frame_sp(), m_disassembly(),
- m_mutex() {
+ m_variable_list_value_objects(), m_disassembly(), m_mutex() {
if (sc_ptr != nullptr) {
m_sc = *sc_ptr;
m_flags.Set(m_sc.GetResolvedMask());
@@ -1956,11 +1952,3 @@ bool StackFrame::GetStatus(Stream &strm,
}
return true;
}
-
-RecognizedStackFrameSP StackFrame::GetRecognizedFrame() {
- if (!m_recognized_frame_sp) {
- m_recognized_frame_sp =
- StackFrameRecognizerManager::RecognizeFrame(CalculateStackFrame());
- }
- return m_recognized_frame_sp;
-}
Modified: lldb/trunk/source/Target/StackFrameRecognizer.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Target/StackFrameRecognizer.cpp?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/source/Target/StackFrameRecognizer.cpp (original)
+++ lldb/trunk/source/Target/StackFrameRecognizer.cpp Tue Oct 30 17:29:17 2018
@@ -1,190 +0,0 @@
-//===-- StackFrameRecognizer.cpp --------------------------------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// C Includes
-// C++ Includes
-#include <vector>
-// Other libraries and framework includes
-// Project includes
-#include "lldb/Core/Module.h"
-#include "lldb/Interpreter/ScriptInterpreter.h"
-#include "lldb/Symbol/Symbol.h"
-#include "lldb/Target/StackFrame.h"
-#include "lldb/Target/StackFrameRecognizer.h"
-#include "lldb/Utility/RegularExpression.h"
-
-using namespace lldb;
-using namespace lldb_private;
-
-class ScriptedRecognizedStackFrame : public RecognizedStackFrame {
-public:
- ScriptedRecognizedStackFrame(ValueObjectListSP args) {
- m_arguments = args;
- }
-};
-
-ScriptedStackFrameRecognizer::ScriptedStackFrameRecognizer(
- ScriptInterpreter *interpreter, const char *pclass)
- : m_interpreter(interpreter), m_python_class(pclass) {
- m_python_object_sp =
- m_interpreter->CreateFrameRecognizer(m_python_class.c_str());
-}
-
-RecognizedStackFrameSP
-ScriptedStackFrameRecognizer::RecognizeFrame(lldb::StackFrameSP frame) {
- if (!m_python_object_sp || !m_interpreter)
- return RecognizedStackFrameSP();
-
- ValueObjectListSP args =
- m_interpreter->GetRecognizedArguments(m_python_object_sp, frame);
-
- return RecognizedStackFrameSP(new ScriptedRecognizedStackFrame(args));
-}
-
-class StackFrameRecognizerManagerImpl {
-public:
- void AddRecognizer(StackFrameRecognizerSP recognizer, ConstString &module,
- ConstString &symbol, bool first_instruction_only) {
- m_recognizers.push_front({(uint32_t)m_recognizers.size(), false, recognizer, false, module, RegularExpressionSP(),
- symbol, RegularExpressionSP(),
- first_instruction_only});
- }
-
- void AddRecognizer(StackFrameRecognizerSP recognizer,
- RegularExpressionSP module, RegularExpressionSP symbol,
- bool first_instruction_only) {
- m_recognizers.push_front({(uint32_t)m_recognizers.size(), false, recognizer, true, ConstString(), module,
- ConstString(), symbol, first_instruction_only});
- }
-
- void ForEach(
- std::function<void(uint32_t recognized_id, std::string recognizer_name, std::string module,
- std::string symbol, bool regexp)> const &callback) {
- for (auto entry : m_recognizers) {
- if (entry.is_regexp) {
- callback(entry.recognizer_id, entry.recognizer->GetName(), entry.module_regexp->GetText(),
- entry.symbol_regexp->GetText(), true);
- } else {
- callback(entry.recognizer_id, entry.recognizer->GetName(), entry.module.GetCString(),
- entry.symbol.GetCString(), false);
- }
- }
- }
-
- bool RemoveRecognizerWithID(uint32_t recognizer_id) {
- if (recognizer_id >= m_recognizers.size()) return false;
- if (m_recognizers[recognizer_id].deleted) return false;
- m_recognizers[recognizer_id].deleted = true;
- return true;
- }
-
- void RemoveAllRecognizers() {
- m_recognizers.clear();
- }
-
- StackFrameRecognizerSP GetRecognizerForFrame(StackFrameSP frame) {
- const SymbolContext &symctx =
- frame->GetSymbolContext(eSymbolContextModule | eSymbolContextFunction);
- ConstString function_name = symctx.GetFunctionName();
- ModuleSP module_sp = symctx.module_sp;
- if (!module_sp) return StackFrameRecognizerSP();
- ConstString module_name = module_sp->GetFileSpec().GetFilename();
- Symbol *symbol = symctx.symbol;
- if (!symbol) return StackFrameRecognizerSP();
- Address start_addr = symbol->GetAddress();
- Address current_addr = frame->GetFrameCodeAddress();
-
- for (auto entry : m_recognizers) {
- if (entry.deleted) continue;
- if (entry.module)
- if (entry.module != module_name) continue;
-
- if (entry.module_regexp)
- if (!entry.module_regexp->Execute(module_name.GetStringRef())) continue;
-
- if (entry.symbol)
- if (entry.symbol != function_name) continue;
-
- if (entry.symbol_regexp)
- if (!entry.symbol_regexp->Execute(function_name.GetStringRef()))
- continue;
-
- if (entry.first_instruction_only)
- if (start_addr != current_addr) continue;
-
- return entry.recognizer;
- }
- return StackFrameRecognizerSP();
- }
-
- RecognizedStackFrameSP RecognizeFrame(StackFrameSP frame) {
- auto recognizer = GetRecognizerForFrame(frame);
- if (!recognizer) return RecognizedStackFrameSP();
- return recognizer->RecognizeFrame(frame);
- }
-
- private:
- struct RegisteredEntry {
- uint32_t recognizer_id;
- bool deleted;
- StackFrameRecognizerSP recognizer;
- bool is_regexp;
- ConstString module;
- RegularExpressionSP module_regexp;
- ConstString symbol;
- RegularExpressionSP symbol_regexp;
- bool first_instruction_only;
- };
-
- std::deque<RegisteredEntry> m_recognizers;
-};
-
-StackFrameRecognizerManagerImpl &GetStackFrameRecognizerManagerImpl() {
- static StackFrameRecognizerManagerImpl instance =
- StackFrameRecognizerManagerImpl();
- return instance;
-}
-
-void StackFrameRecognizerManager::AddRecognizer(
- StackFrameRecognizerSP recognizer, ConstString &module, ConstString &symbol,
- bool first_instruction_only) {
- GetStackFrameRecognizerManagerImpl().AddRecognizer(recognizer, module, symbol,
- first_instruction_only);
-}
-
-void StackFrameRecognizerManager::AddRecognizer(
- StackFrameRecognizerSP recognizer, RegularExpressionSP module,
- RegularExpressionSP symbol, bool first_instruction_only) {
- GetStackFrameRecognizerManagerImpl().AddRecognizer(recognizer, module, symbol,
- first_instruction_only);
-}
-
-void StackFrameRecognizerManager::ForEach(
- std::function<void(uint32_t recognized_id, std::string recognizer_name, std::string module,
- std::string symbol, bool regexp)> const &callback) {
- GetStackFrameRecognizerManagerImpl().ForEach(callback);
-}
-
-void StackFrameRecognizerManager::RemoveAllRecognizers() {
- GetStackFrameRecognizerManagerImpl().RemoveAllRecognizers();
-}
-
-bool StackFrameRecognizerManager::RemoveRecognizerWithID(uint32_t recognizer_id) {
- return GetStackFrameRecognizerManagerImpl().RemoveRecognizerWithID(recognizer_id);
-}
-
-RecognizedStackFrameSP StackFrameRecognizerManager::RecognizeFrame(
- StackFrameSP frame) {
- return GetStackFrameRecognizerManagerImpl().RecognizeFrame(frame);
-}
-
-StackFrameRecognizerSP StackFrameRecognizerManager::GetRecognizerForFrame(
- lldb::StackFrameSP frame) {
- return GetStackFrameRecognizerManagerImpl().GetRecognizerForFrame(frame);
-}
Modified: lldb/trunk/www/python-reference.html
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/www/python-reference.html?rev=345680&r1=345679&r2=345680&view=diff
==============================================================================
--- lldb/trunk/www/python-reference.html (original)
+++ lldb/trunk/www/python-reference.html Tue Oct 30 17:29:17 2018
@@ -928,64 +928,11 @@ if target:
<font color=green># We do have a symbol, print some info for the symbol</font>
print symbol
</tt></pre></code>
- </div>
- <div class="postfooter"></div>
- </div>
+ </div>
+ <div class="postfooter"></div>
- <div class="post">
- <h1 class ="postheader">Writing LLDB frame recognizers in Python</h1>
- <div class="postcontent">
-
- <p>Frame recognizers allow for retrieving information about special frames based on
- ABI, arguments or other special properties of that frame, even without source
- code or debug info. Currently, one use case is to extract function arguments
- that would otherwise be unaccesible, or augment existing arguments.</p>
-
- <p>Adding a custom frame recognizer is done by implementing a Python class
- and using the '<b>frame recognizer add</b>' command. The Python class should have a
- '<b>get_recognized_arguments</b>' method and it will receive an argument of type
- <b>lldb.SBFrame</b> representing the current frame that we are trying to recognize.
- The method should return a (possibly empty) list of <b>lldb.SBValue</b> objects that
- represent the recognized arguments.</p>
-
- <p>An example of a recognizer that retrieves the file descriptor values from libc
- functions '<b>read</b>', '<b>write</b>' and '<b>close</b>' follows:</p>
-
-<code><pre><tt> class LibcFdRecognizer(object):
- def get_recognized_arguments(self, frame):
- if frame.name in ["read", "write", "close"]:
- fd = frame.EvaluateExpression("$arg1").unsigned
- value = lldb.target.CreateValueFromExpression("fd", "(int)%d" % fd)
- return [value]
- return []
-</tt></pre></code>
-
- <p>The file containing this implementation can be imported via '<b>command script
- import</b>' and then we can register this recognizer with '<b>frame recognizer add</b>'.
- It's important to restrict the recognizer to the libc library (which is
- libsystem_kernel.dylib on macOS) to avoid matching functions with the same name in other modules:</p>
-
-<code><pre><tt>(lldb) <b>command script import .../fd_recognizer.py</b>
-(lldb) <b>frame recognizer add -l fd_recognizer.LibcFdRecognizer -n read -s libsystem_kernel.dylib</b>
-</tt></pre></code>
-
- <p>When the program is stopped at the beginning of the '<b>read</b>' function in libc, we
- can view the recognizer arguments in '<b>frame variable</b>':</p>
-
-<code><pre><tt>(lldb) <b>b read</b>
-(lldb) <b>r</b>
-Process 1234 stopped
-* thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 1.3
- frame #0: 0x00007fff06013ca0 libsystem_kernel.dylib`read
-(lldb) <b>frame variable</b>
-(int) fd = 3
-</tt></pre></code>
-
- </div>
- <div class="postfooter"></div>
- </div>
-
- </div>
+ </div>
+ </div>
</div>
</body>
</html>
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