add_subdirectory(lib/ExecutionEngine/JIT)
add_subdirectory(lib/Target)
add_subdirectory(lib/AsmParser)
-add_subdirectory(lib/Debugger)
add_subdirectory(lib/Archive)
add_subdirectory(projects)
+++ /dev/null
-//===- Debugger.h - LLVM debugger library interface -------------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines the LLVM source-level debugger library interface.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_DEBUGGER_DEBUGGER_H
-#define LLVM_DEBUGGER_DEBUGGER_H
-
-#include <string>
-#include <vector>
-
-namespace llvm {
- class Module;
- class InferiorProcess;
- class LLVMContext;
-
- /// Debugger class - This class implements the LLVM source-level debugger.
- /// This allows clients to handle the user IO processing without having to
- /// worry about how the debugger itself works.
- ///
- class Debugger {
- // State the debugger needs when starting and stopping the program.
- std::vector<std::string> ProgramArguments;
-
- // The environment to run the program with. This should eventually be
- // changed to vector of strings when we allow the user to edit the
- // environment.
- const char * const *Environment;
-
- // Program - The currently loaded program, or null if none is loaded.
- Module *Program;
-
- // Process - The currently executing inferior process.
- InferiorProcess *Process;
-
- Debugger(const Debugger &); // DO NOT IMPLEMENT
- void operator=(const Debugger &); // DO NOT IMPLEMENT
- public:
- Debugger();
- ~Debugger();
-
- //===------------------------------------------------------------------===//
- // Methods for manipulating and inspecting the execution environment.
- //
-
- /// initializeEnvironment - Specify the environment the program should run
- /// with. This is used to initialize the environment of the program to the
- /// environment of the debugger.
- void initializeEnvironment(const char *const *envp) {
- Environment = envp;
- }
-
- /// setWorkingDirectory - Specify the working directory for the program to
- /// be started from.
- void setWorkingDirectory(const std::string &Dir) {
- // FIXME: implement
- }
-
- template<typename It>
- void setProgramArguments(It I, It E) {
- ProgramArguments.assign(I, E);
- }
- unsigned getNumProgramArguments() const {
- return static_cast<unsigned>(ProgramArguments.size());
- }
- const std::string &getProgramArgument(unsigned i) const {
- return ProgramArguments[i];
- }
-
-
- //===------------------------------------------------------------------===//
- // Methods for manipulating and inspecting the program currently loaded.
- //
-
- /// isProgramLoaded - Return true if there is a program currently loaded.
- ///
- bool isProgramLoaded() const { return Program != 0; }
-
- /// getProgram - Return the LLVM module corresponding to the program.
- ///
- Module *getProgram() const { return Program; }
-
- /// getProgramPath - Get the path of the currently loaded program, or an
- /// empty string if none is loaded.
- std::string getProgramPath() const;
-
- /// loadProgram - If a program is currently loaded, unload it. Then search
- /// the PATH for the specified program, loading it when found. If the
- /// specified program cannot be found, an exception is thrown to indicate
- /// the error.
- void loadProgram(const std::string &Path, LLVMContext& Context);
-
- /// unloadProgram - If a program is running, kill it, then unload all traces
- /// of the current program. If no program is loaded, this method silently
- /// succeeds.
- void unloadProgram();
-
- //===------------------------------------------------------------------===//
- // Methods for manipulating and inspecting the program currently running.
- //
- // If the program is running, and the debugger is active, then we know that
- // the program has stopped. This being the case, we can inspect the
- // program, ask it for its source location, set breakpoints, etc.
- //
-
- /// isProgramRunning - Return true if a program is loaded and has a
- /// currently active instance.
- bool isProgramRunning() const { return Process != 0; }
-
- /// getRunningProcess - If there is no program running, throw an exception.
- /// Otherwise return the running process so that it can be inspected by the
- /// debugger.
- const InferiorProcess &getRunningProcess() const {
- if (Process == 0) throw "No process running.";
- return *Process;
- }
-
- /// createProgram - Create an instance of the currently loaded program,
- /// killing off any existing one. This creates the program and stops it at
- /// the first possible moment. If there is no program loaded or if there is
- /// a problem starting the program, this method throws an exception.
- void createProgram();
-
- /// killProgram - If the program is currently executing, kill off the
- /// process and free up any state related to the currently running program.
- /// If there is no program currently running, this just silently succeeds.
- /// If something horrible happens when killing the program, an exception
- /// gets thrown.
- void killProgram();
-
-
- //===------------------------------------------------------------------===//
- // Methods for continuing execution. These methods continue the execution
- // of the program by some amount. If the program is successfully stopped,
- // execution returns, otherwise an exception is thrown.
- //
- // NOTE: These methods should always be used in preference to directly
- // accessing the Dbg object, because these will delete the Process object if
- // the process unexpectedly dies.
- //
-
- /// stepProgram - Implement the 'step' command, continuing execution until
- /// the next possible stop point.
- void stepProgram();
-
- /// nextProgram - Implement the 'next' command, continuing execution until
- /// the next possible stop point that is in the current function.
- void nextProgram();
-
- /// finishProgram - Implement the 'finish' command, continuing execution
- /// until the specified frame ID returns.
- void finishProgram(void *Frame);
-
- /// contProgram - Implement the 'cont' command, continuing execution until
- /// the next breakpoint is encountered.
- void contProgram();
- };
-
- class NonErrorException {
- std::string Message;
- public:
- NonErrorException(const std::string &M) : Message(M) {}
- const std::string &getMessage() const { return Message; }
- };
-
-} // end namespace llvm
-
-#endif
+++ /dev/null
-//===- InferiorProcess.h - Represent the program being debugged -*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines the InferiorProcess class, which is used to represent,
-// inspect, and manipulate a process under the control of the LLVM debugger.
-//
-// This is an abstract class which should allow various different types of
-// implementations. Initially we implement a unix specific debugger backend
-// that does not require code generator support, but we could eventually use
-// code generator support with ptrace, support windows based targets, supported
-// remote targets, etc.
-//
-// If the inferior process unexpectedly dies, an attempt to communicate with it
-// will cause an InferiorProcessDead exception to be thrown, indicating the exit
-// code of the process. When this occurs, no methods on the InferiorProcess
-// class should be called except for the destructor.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_DEBUGGER_INFERIORPROCESS_H
-#define LLVM_DEBUGGER_INFERIORPROCESS_H
-
-#include <string>
-#include <vector>
-
-namespace llvm {
- class Module;
- class GlobalVariable;
-
- /// InferiorProcessDead exception - This class is thrown by methods that
- /// communicate with the interior process if the process unexpectedly exits or
- /// dies. The instance variable indicates what the exit code of the process
- /// was, or -1 if unknown.
- class InferiorProcessDead {
- int ExitCode;
- public:
- InferiorProcessDead(int EC) : ExitCode(EC) {}
- int getExitCode() const { return ExitCode; }
- };
-
- /// InferiorProcess class - This class represents the process being debugged
- /// by the debugger. Objects of this class should not be stack allocated,
- /// because the destructor can throw exceptions.
- ///
- class InferiorProcess {
- Module *M;
- protected:
- InferiorProcess(Module *m) : M(m) {}
- public:
- /// create - Create an inferior process of the specified module, and
- /// stop it at the first opportunity. If there is a problem starting the
- /// program (for example, it has no main), throw an exception.
- static InferiorProcess *create(Module *M,
- const std::vector<std::string> &Arguments,
- const char * const *envp);
-
- // InferiorProcess destructor - Kill the current process. If something
- // terrible happens, we throw an exception from the destructor.
- virtual ~InferiorProcess() {}
-
- //===------------------------------------------------------------------===//
- // Status methods - These methods return information about the currently
- // stopped process.
- //
-
- /// getStatus - Return a status message that is specific to the current type
- /// of inferior process that is created. This can return things like the
- /// PID of the inferior or other potentially interesting things.
- virtual std::string getStatus() const {
- return "";
- }
-
- //===------------------------------------------------------------------===//
- // Methods for inspecting the call stack.
- //
-
- /// getPreviousFrame - Given the descriptor for the current stack frame,
- /// return the descriptor for the caller frame. This returns null when it
- /// runs out of frames. If Frame is null, the initial frame should be
- /// returned.
- virtual void *getPreviousFrame(void *Frame) const = 0;
-
- /// getSubprogramDesc - Return the subprogram descriptor for the current
- /// stack frame.
- virtual const GlobalVariable *getSubprogramDesc(void *Frame) const = 0;
-
- /// getFrameLocation - This method returns the source location where each
- /// stack frame is stopped.
- virtual void getFrameLocation(void *Frame, unsigned &LineNo,
- unsigned &ColNo,
- const GlobalVariable *&SourceDesc) const = 0;
-
- //===------------------------------------------------------------------===//
- // Methods for manipulating breakpoints.
- //
-
- /// addBreakpoint - This method adds a breakpoint at the specified line,
- /// column, and source file, and returns a unique identifier for it.
- ///
- /// It is up to the debugger to determine whether or not there is actually a
- /// stop-point that corresponds with the specified location.
- virtual unsigned addBreakpoint(unsigned LineNo, unsigned ColNo,
- const GlobalVariable *SourceDesc) = 0;
-
- /// removeBreakpoint - This deletes the breakpoint with the specified ID
- /// number.
- virtual void removeBreakpoint(unsigned ID) = 0;
-
-
- //===------------------------------------------------------------------===//
- // Execution methods - These methods cause the program to continue execution
- // by some amount. If the program successfully stops, this returns.
- // Otherwise, if the program unexpectedly terminates, an InferiorProcessDead
- // exception is thrown.
- //
-
- /// stepProgram - Implement the 'step' command, continuing execution until
- /// the next possible stop point.
- virtual void stepProgram() = 0;
-
- /// finishProgram - Implement the 'finish' command, continuing execution
- /// until the current function returns.
- virtual void finishProgram(void *Frame) = 0;
-
- /// contProgram - Implement the 'cont' command, continuing execution until
- /// a breakpoint is encountered.
- virtual void contProgram() = 0;
- };
-} // end namespace llvm
-
-#endif
+++ /dev/null
-//===- ProgramInfo.h - Information about the loaded program -----*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines various pieces of information about the currently loaded
-// program. One instance of this object is created every time a program is
-// loaded, and destroyed every time it is unloaded.
-//
-// The various pieces of information gathered about the source program are all
-// designed to be extended by various SourceLanguage implementations. This
-// allows source languages to keep any extended information that they support in
-// the derived class portions of the class.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_DEBUGGER_PROGRAMINFO_H
-#define LLVM_DEBUGGER_PROGRAMINFO_H
-
-#include "llvm/System/TimeValue.h"
-#include <string>
-#include <map>
-#include <vector>
-
-namespace llvm {
- class GlobalVariable;
- class Module;
- class SourceFile;
- struct SourceLanguage;
- class ProgramInfo;
-
- /// SourceLanguageCache - SourceLanguage implementations are allowed to cache
- /// stuff in the ProgramInfo object. The only requirement we have on these
- /// instances is that they are destroyable.
- struct SourceLanguageCache {
- virtual ~SourceLanguageCache() {}
- };
-
- /// SourceFileInfo - One instance of this structure is created for each
- /// source file in the program.
- ///
- class SourceFileInfo {
- /// BaseName - The filename of the source file.
- std::string BaseName;
-
- /// Directory - The working directory of this source file when it was
- /// compiled.
- std::string Directory;
-
- /// Version - The version of the LLVM debug information that this file was
- /// compiled with.
- unsigned Version;
-
- /// Language - The source language that the file was compiled with. This
- /// pointer is never null.
- ///
- const SourceLanguage *Language;
-
- /// Descriptor - The LLVM Global Variable which describes the source file.
- ///
- const GlobalVariable *Descriptor;
-
- /// SourceText - The body of this source file, or null if it has not yet
- /// been loaded.
- mutable SourceFile *SourceText;
- public:
- SourceFileInfo(const GlobalVariable *Desc, const SourceLanguage &Lang);
- ~SourceFileInfo();
-
- const std::string &getBaseName() const { return BaseName; }
- const std::string &getDirectory() const { return Directory; }
- unsigned getDebugVersion() const { return Version; }
- const GlobalVariable *getDescriptor() const { return Descriptor; }
- SourceFile &getSourceText() const;
-
- const SourceLanguage &getLanguage() const { return *Language; }
- };
-
-
- /// SourceFunctionInfo - An instance of this class is used to represent each
- /// source function in the program.
- ///
- class SourceFunctionInfo {
- /// Name - This contains an abstract name that is potentially useful to the
- /// end-user. If there is no explicit support for the current language,
- /// then this string is used to identify the function.
- std::string Name;
-
- /// Descriptor - The descriptor for this function.
- ///
- const GlobalVariable *Descriptor;
-
- /// SourceFile - The file that this function is defined in.
- ///
- const SourceFileInfo *SourceFile;
-
- /// LineNo, ColNo - The location of the first stop-point in the function.
- /// These are computed on demand.
- mutable unsigned LineNo, ColNo;
-
- public:
- SourceFunctionInfo(ProgramInfo &PI, const GlobalVariable *Desc);
- virtual ~SourceFunctionInfo() {}
-
- /// getSymbolicName - Return a human-readable symbolic name to identify the
- /// function (for example, in stack traces).
- virtual std::string getSymbolicName() const { return Name; }
-
- /// getDescriptor - This returns the descriptor for the function.
- ///
- const GlobalVariable *getDescriptor() const { return Descriptor; }
-
- /// getSourceFile - This returns the source file that defines the function.
- ///
- const SourceFileInfo &getSourceFile() const { return *SourceFile; }
-
- /// getSourceLocation - This method returns the location of the first
- /// stopping point in the function. If the body of the function cannot be
- /// found, this returns zeros for both values.
- void getSourceLocation(unsigned &LineNo, unsigned &ColNo) const;
- };
-
-
- /// ProgramInfo - This object contains information about the loaded program.
- /// When a new program is loaded, an instance of this class is created. When
- /// the program is unloaded, the instance is destroyed. This object basically
- /// manages the lazy computation of information useful for the debugger.
- class ProgramInfo {
- Module *M;
-
- /// ProgramTimeStamp - This is the timestamp of the executable file that we
- /// currently have loaded into the debugger.
- sys::TimeValue ProgramTimeStamp;
-
- /// SourceFiles - This map is used to transform source file descriptors into
- /// their corresponding SourceFileInfo objects. This mapping owns the
- /// memory for the SourceFileInfo objects.
- ///
- bool SourceFilesIsComplete;
- std::map<const GlobalVariable*, SourceFileInfo*> SourceFiles;
-
- /// SourceFileIndex - Mapping from source file basenames to the information
- /// about the file. Note that there can be filename collisions, so this is
- /// a multimap. This map is populated incrementally as the user interacts
- /// with the program, through the getSourceFileFromDesc method. If ALL of
- /// the source files are needed, the getSourceFiles() method scans the
- /// entire program looking for them.
- ///
- std::multimap<std::string, SourceFileInfo*> SourceFileIndex;
-
- /// SourceFunctions - This map contains entries functions in the source
- /// program. If SourceFunctionsIsComplete is true, then this is ALL of the
- /// functions in the program are in this map.
- bool SourceFunctionsIsComplete;
- std::map<const GlobalVariable*, SourceFunctionInfo*> SourceFunctions;
-
- /// LanguageCaches - Each source language is permitted to keep a per-program
- /// cache of information specific to whatever it needs. This vector is
- /// effectively a small map from the languages that are active in the
- /// program to their caches. This can be accessed by the language by the
- /// "getLanguageCache" method.
- std::vector<std::pair<const SourceLanguage*,
- SourceLanguageCache*> > LanguageCaches;
- public:
- ProgramInfo(Module *m);
- ~ProgramInfo();
-
- /// getProgramTimeStamp - Return the time-stamp of the program when it was
- /// loaded.
- sys::TimeValue getProgramTimeStamp() const { return ProgramTimeStamp; }
-
- //===------------------------------------------------------------------===//
- // Interfaces to the source code files that make up the program.
- //
-
- /// getSourceFile - Return source file information for the specified source
- /// file descriptor object, adding it to the collection as needed. This
- /// method always succeeds (is unambiguous), and is always efficient.
- ///
- const SourceFileInfo &getSourceFile(const GlobalVariable *Desc);
-
- /// getSourceFile - Look up the file with the specified name. If there is
- /// more than one match for the specified filename, prompt the user to pick
- /// one. If there is no source file that matches the specified name, throw
- /// an exception indicating that we can't find the file. Otherwise, return
- /// the file information for that file.
- ///
- /// If the source file hasn't been discovered yet in the program, this
- /// method might have to index the whole program by calling the
- /// getSourceFiles() method.
- ///
- const SourceFileInfo &getSourceFile(const std::string &Filename);
-
- /// getSourceFiles - Index all of the source files in the program and return
- /// them. This information is lazily computed the first time that it is
- /// requested. Since this information can take a long time to compute, the
- /// user is given a chance to cancel it. If this occurs, an exception is
- /// thrown.
- const std::map<const GlobalVariable*, SourceFileInfo*> &
- getSourceFiles(bool RequiresCompleteMap = true);
-
- //===------------------------------------------------------------------===//
- // Interfaces to the functions that make up the program.
- //
-
- /// getFunction - Return source function information for the specified
- /// function descriptor object, adding it to the collection as needed. This
- /// method always succeeds (is unambiguous), and is always efficient.
- ///
- const SourceFunctionInfo &getFunction(const GlobalVariable *Desc);
-
- /// getSourceFunctions - Index all of the functions in the program and
- /// return them. This information is lazily computed the first time that it
- /// is requested. Since this information can take a long time to compute,
- /// the user is given a chance to cancel it. If this occurs, an exception
- /// is thrown.
- const std::map<const GlobalVariable*, SourceFunctionInfo*> &
- getSourceFunctions(bool RequiresCompleteMap = true);
-
- /// addSourceFunctionsRead - Return true if the source functions map is
- /// complete: that is, all functions in the program have been read in.
- bool allSourceFunctionsRead() const { return SourceFunctionsIsComplete; }
-
- /// getLanguageCache - This method is used to build per-program caches of
- /// information, such as the functions or types visible to the program.
- /// This can be used by SourceLanguage implementations because it requires
- /// an accessible [sl]::CacheType typedef, where [sl] is the C++ type of the
- /// source-language subclass.
- template<typename SL>
- typename SL::CacheType &getLanguageCache(const SL *L) {
- for (unsigned i = 0, e = LanguageCaches.size(); i != e; ++i)
- if (LanguageCaches[i].first == L)
- return *(typename SL::CacheType*)LanguageCaches[i].second;
- typename SL::CacheType *NewCache = L->createSourceLanguageCache(*this);
- LanguageCaches.push_back(std::make_pair(L, NewCache));
- return *NewCache;
- }
- };
-
-} // end namespace llvm
-
-#endif
+++ /dev/null
-//===- RuntimeInfo.h - Information about running program --------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines classes that capture various pieces of information about
-// the currently executing, but stopped, program. One instance of this object
-// is created every time a program is stopped, and destroyed every time it
-// starts running again. This object's main goal is to make access to runtime
-// information easy and efficient, by caching information as requested.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_DEBUGGER_RUNTIMEINFO_H
-#define LLVM_DEBUGGER_RUNTIMEINFO_H
-
-#include <vector>
-#include <cassert>
-
-namespace llvm {
- class ProgramInfo;
- class RuntimeInfo;
- class InferiorProcess;
- class GlobalVariable;
- class SourceFileInfo;
-
- /// StackFrame - One instance of this structure is created for each stack
- /// frame that is active in the program.
- ///
- class StackFrame {
- RuntimeInfo &RI;
- void *FrameID;
- const GlobalVariable *FunctionDesc;
-
- /// LineNo, ColNo, FileInfo - This information indicates WHERE in the source
- /// code for the program the stack frame is located.
- unsigned LineNo, ColNo;
- const SourceFileInfo *SourceInfo;
- public:
- StackFrame(RuntimeInfo &RI, void *ParentFrameID);
-
- StackFrame &operator=(const StackFrame &RHS) {
- FrameID = RHS.FrameID;
- FunctionDesc = RHS.FunctionDesc;
- return *this;
- }
-
- /// getFrameID - return the low-level opaque frame ID of this stack frame.
- ///
- void *getFrameID() const { return FrameID; }
-
- /// getFunctionDesc - Return the descriptor for the function that contains
- /// this stack frame, or null if it is unknown.
- ///
- const GlobalVariable *getFunctionDesc();
-
- /// getSourceLocation - Return the source location that this stack frame is
- /// sitting at.
- void getSourceLocation(unsigned &LineNo, unsigned &ColNo,
- const SourceFileInfo *&SourceInfo);
- };
-
-
- /// RuntimeInfo - This class collects information about the currently running
- /// process. It is created whenever the program stops execution for the
- /// debugger, and destroyed whenver execution continues.
- class RuntimeInfo {
- /// ProgInfo - This object contains static information about the program.
- ///
- ProgramInfo *ProgInfo;
-
- /// IP - This object contains information about the actual inferior process
- /// that we are communicating with and aggregating information from.
- const InferiorProcess &IP;
-
- /// CallStack - This caches information about the current stack trace of the
- /// program. This is lazily computed as needed.
- std::vector<StackFrame> CallStack;
-
- /// CurrentFrame - The user can traverse the stack frame with the
- /// up/down/frame family of commands. This index indicates the current
- /// stack frame.
- unsigned CurrentFrame;
-
- public:
- RuntimeInfo(ProgramInfo *PI, const InferiorProcess &ip)
- : ProgInfo(PI), IP(ip), CurrentFrame(0) {
- // Make sure that the top of stack has been materialized. If this throws
- // an exception, something is seriously wrong and the RuntimeInfo object
- // would be unusable anyway.
- getStackFrame(0);
- }
-
- ProgramInfo &getProgramInfo() { return *ProgInfo; }
- const InferiorProcess &getInferiorProcess() const { return IP; }
-
- //===------------------------------------------------------------------===//
- // Methods for inspecting the call stack of the program.
- //
-
- /// getStackFrame - Materialize the specified stack frame and return it. If
- /// the specified ID is off of the bottom of the stack, throw an exception
- /// indicating the problem.
- StackFrame &getStackFrame(unsigned ID) {
- if (ID >= CallStack.size())
- materializeFrame(ID);
- return CallStack[ID];
- }
-
- /// getCurrentFrame - Return the current stack frame object that the user is
- /// inspecting.
- StackFrame &getCurrentFrame() {
- assert(CallStack.size() > CurrentFrame &&
- "Must have materialized frame before making it current!");
- return CallStack[CurrentFrame];
- }
-
- /// getCurrentFrameIdx - Return the current frame the user is inspecting.
- ///
- unsigned getCurrentFrameIdx() const { return CurrentFrame; }
-
- /// setCurrentFrameIdx - Set the current frame index to the specified value.
- /// Note that the specified frame must have been materialized with
- /// getStackFrame before it can be made current.
- void setCurrentFrameIdx(unsigned Idx) {
- assert(Idx < CallStack.size() &&
- "Must materialize frame before making it current!");
- CurrentFrame = Idx;
- }
- private:
- /// materializeFrame - Create and process all frames up to and including the
- /// specified frame number. This throws an exception if the specified frame
- /// ID is nonexistant.
- void materializeFrame(unsigned ID);
- };
-}
-
-#endif
+++ /dev/null
-//===- SourceFile.h - Class to represent a source code file -----*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines the SourceFile class which is used to represent a single
-// file of source code in the program, caching data from the file to make access
-// efficient.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_DEBUGGER_SOURCEFILE_H
-#define LLVM_DEBUGGER_SOURCEFILE_H
-
-#include "llvm/System/Path.h"
-#include "llvm/ADT/OwningPtr.h"
-#include <vector>
-
-namespace llvm {
- class GlobalVariable;
- class MemoryBuffer;
-
- class SourceFile {
- /// Filename - This is the full path of the file that is loaded.
- ///
- sys::Path Filename;
-
- /// Descriptor - The debugging descriptor for this source file. If there
- /// are multiple descriptors for the same file, this is just the first one
- /// encountered.
- ///
- const GlobalVariable *Descriptor;
-
- /// This is the memory mapping for the file so we can gain access to it.
- OwningPtr<MemoryBuffer> File;
-
- /// LineOffset - This vector contains a mapping from source line numbers to
- /// their offsets in the file. This data is computed lazily, the first time
- /// it is asked for. If there are zero elements allocated in this vector,
- /// then it has not yet been computed.
- mutable std::vector<unsigned> LineOffset;
-
- public:
- /// SourceFile constructor - Read in the specified source file if it exists,
- /// but do not build the LineOffsets table until it is requested. This will
- /// NOT throw an exception if the file is not found, if there is an error
- /// reading it, or if the user cancels the operation. Instead, it will just
- /// be an empty source file.
- SourceFile(const std::string &fn, const GlobalVariable *Desc);
-
- ~SourceFile();
-
- /// getDescriptor - Return the debugging decriptor for this source file.
- ///
- const GlobalVariable *getDescriptor() const { return Descriptor; }
-
- /// getFilename - Return the fully resolved path that this file was loaded
- /// from.
- const std::string &getFilename() const { return Filename.str(); }
-
- /// getSourceLine - Given a line number, return the start and end of the
- /// line in the file. If the line number is invalid, or if the file could
- /// not be loaded, null pointers are returned for the start and end of the
- /// file. Note that line numbers start with 0, not 1. This also strips off
- /// any newlines from the end of the line, to ease formatting of the text.
- void getSourceLine(unsigned LineNo, const char *&LineStart,
- const char *&LineEnd) const;
-
- /// getNumLines - Return the number of lines the source file contains.
- ///
- unsigned getNumLines() const {
- if (LineOffset.empty()) calculateLineOffsets();
- return static_cast<unsigned>(LineOffset.size());
- }
-
- private:
- /// calculateLineOffsets - Compute the LineOffset vector for the current
- /// file.
- void calculateLineOffsets() const;
- };
-} // end namespace llvm
-
-#endif
+++ /dev/null
-//===- SourceLanguage.h - Interact with source languages --------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines the abstract SourceLanguage interface, which is used by the
-// LLVM debugger to parse source-language expressions and render program objects
-// into a human readable string. In general, these classes perform all of the
-// analysis and interpretation of the language-specific debugger information.
-//
-// This interface is designed to be completely stateless, so all methods are
-// const.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_DEBUGGER_SOURCELANGUAGE_H
-#define LLVM_DEBUGGER_SOURCELANGUAGE_H
-
-#include <string>
-
-namespace llvm {
- class GlobalVariable;
- class SourceFileInfo;
- class SourceFunctionInfo;
- class ProgramInfo;
- class RuntimeInfo;
-
- struct SourceLanguage {
- virtual ~SourceLanguage() {}
-
- /// getSourceLanguageName - This method is used to implement the 'show
- /// language' command in the debugger.
- virtual const char *getSourceLanguageName() const = 0;
-
- //===------------------------------------------------------------------===//
- // Methods used to implement debugger hooks.
- //
-
- /// printInfo - Implementing this method allows the debugger to use
- /// language-specific 'info' extensions, e.g., 'info selectors' for objc.
- /// This method should return true if the specified string is recognized.
- ///
- virtual bool printInfo(const std::string &What) const {
- return false;
- }
-
- /// lookupFunction - Given a textual function name, return the
- /// SourceFunctionInfo descriptor for that function, or null if it cannot be
- /// found. If the program is currently running, the RuntimeInfo object
- /// provides information about the current evaluation context, otherwise it
- /// will be null.
- ///
- virtual SourceFunctionInfo *lookupFunction(const std::string &FunctionName,
- ProgramInfo &PI,
- RuntimeInfo *RI = 0) const {
- return 0;
- }
-
-
- //===------------------------------------------------------------------===//
- // Methods used to parse various pieces of program information.
- //
-
- /// createSourceFileInfo - This method can be implemented by the front-end
- /// if it needs to keep track of information beyond what the debugger
- /// requires.
- virtual SourceFileInfo *
- createSourceFileInfo(const GlobalVariable *Desc, ProgramInfo &PI) const;
-
- /// createSourceFunctionInfo - This method can be implemented by the derived
- /// SourceLanguage if it needs to keep track of more information than the
- /// SourceFunctionInfo has.
- virtual SourceFunctionInfo *
- createSourceFunctionInfo(const GlobalVariable *Desc, ProgramInfo &PI) const;
-
-
- //===------------------------------------------------------------------===//
- // Static methods used to get instances of various source languages.
- //
-
- /// get - This method returns a source-language instance for the specified
- /// Dwarf 3 language identifier. If the language is unknown, an object is
- /// returned that can support some minimal operations, but is not terribly
- /// bright.
- static const SourceLanguage &get(unsigned ID);
-
- /// get*Instance() - These methods return specific instances of languages.
- ///
- static const SourceLanguage &getCFamilyInstance();
- static const SourceLanguage &getCPlusPlusInstance();
- static const SourceLanguage &getUnknownLanguageInstance();
- };
-}
-
-#endif
+++ /dev/null
-add_llvm_library(LLVMDebugger
- Debugger.cpp
- ProgramInfo.cpp
- RuntimeInfo.cpp
- SourceFile.cpp
- SourceLanguage-CFamily.cpp
- SourceLanguage-CPlusPlus.cpp
- SourceLanguage-Unknown.cpp
- SourceLanguage.cpp
- )
+++ /dev/null
-//===-- Debugger.cpp - LLVM debugger library implementation ---------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains the main implementation of the LLVM debugger library.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Debugger/Debugger.h"
-#include "llvm/Module.h"
-#include "llvm/ModuleProvider.h"
-#include "llvm/Bitcode/ReaderWriter.h"
-#include "llvm/Debugger/InferiorProcess.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/ADT/StringExtras.h"
-#include <cstdlib>
-#include <memory>
-using namespace llvm;
-
-/// Debugger constructor - Initialize the debugger to its initial, empty, state.
-///
-Debugger::Debugger() : Environment(0), Program(0), Process(0) {
-}
-
-Debugger::~Debugger() {
- // Killing the program could throw an exception. We don't want to progagate
- // the exception out of our destructor though.
- try {
- killProgram();
- } catch (const char *) {
- } catch (const std::string &) {
- }
-
- unloadProgram();
-}
-
-/// getProgramPath - Get the path of the currently loaded program, or an
-/// empty string if none is loaded.
-std::string Debugger::getProgramPath() const {
- return Program ? Program->getModuleIdentifier() : "";
-}
-
-static Module *
-getMaterializedModuleProvider(const std::string &Filename,
- LLVMContext& C) {
- std::auto_ptr<MemoryBuffer> Buffer;
- Buffer.reset(MemoryBuffer::getFileOrSTDIN(Filename.c_str()));
- if (Buffer.get())
- return ParseBitcodeFile(Buffer.get(), C);
- return 0;
-}
-
-/// loadProgram - If a program is currently loaded, unload it. Then search
-/// the PATH for the specified program, loading it when found. If the
-/// specified program cannot be found, an exception is thrown to indicate the
-/// error.
-void Debugger::loadProgram(const std::string &Filename, LLVMContext& C) {
- if ((Program = getMaterializedModuleProvider(Filename, C)) ||
- (Program = getMaterializedModuleProvider(Filename+".bc", C)))
- return; // Successfully loaded the program.
-
- // Search the program path for the file...
- if (const char *PathS = getenv("PATH")) {
- std::string Path = PathS;
-
- std::string Directory = getToken(Path, ":");
- while (!Directory.empty()) {
- if ((Program = getMaterializedModuleProvider(Directory +"/"+ Filename, C))
- || (Program = getMaterializedModuleProvider(Directory +"/"+ Filename
- + ".bc", C)))
- return; // Successfully loaded the program.
-
- Directory = getToken(Path, ":");
- }
- }
-
- throw "Could not find program '" + Filename + "'!";
-}
-
-/// unloadProgram - If a program is running, kill it, then unload all traces
-/// of the current program. If no program is loaded, this method silently
-/// succeeds.
-void Debugger::unloadProgram() {
- if (!isProgramLoaded()) return;
- killProgram();
- delete Program;
- Program = 0;
-}
-
-
-/// createProgram - Create an instance of the currently loaded program,
-/// killing off any existing one. This creates the program and stops it at
-/// the first possible moment. If there is no program loaded or if there is a
-/// problem starting the program, this method throws an exception.
-void Debugger::createProgram() {
- if (!isProgramLoaded())
- throw "Cannot start program: none is loaded.";
-
- // Kill any existing program.
- killProgram();
-
- // Add argv[0] to the arguments vector..
- std::vector<std::string> Args(ProgramArguments);
- Args.insert(Args.begin(), getProgramPath());
-
- // Start the new program... this could throw if the program cannot be started.
- Process = InferiorProcess::create(Program, Args, Environment);
-}
-
-InferiorProcess *
-InferiorProcess::create(Module *M, const std::vector<std::string> &Arguments,
- const char * const *envp) {
- throw"No supported binding to inferior processes (debugger not implemented).";
-}
-
-/// killProgram - If the program is currently executing, kill off the
-/// process and free up any state related to the currently running program. If
-/// there is no program currently running, this just silently succeeds.
-void Debugger::killProgram() {
- // The destructor takes care of the dirty work.
- try {
- delete Process;
- } catch (...) {
- Process = 0;
- throw;
- }
- Process = 0;
-}
-
-/// stepProgram - Implement the 'step' command, continuing execution until
-/// the next possible stop point.
-void Debugger::stepProgram() {
- assert(isProgramRunning() && "Cannot step if the program isn't running!");
- try {
- Process->stepProgram();
- } catch (InferiorProcessDead &IPD) {
- killProgram();
- throw NonErrorException("The program stopped with exit code " +
- itostr(IPD.getExitCode()));
- } catch (...) {
- killProgram();
- throw;
- }
-}
-
-/// nextProgram - Implement the 'next' command, continuing execution until
-/// the next possible stop point that is in the current function.
-void Debugger::nextProgram() {
- assert(isProgramRunning() && "Cannot next if the program isn't running!");
- try {
- // This should step the process. If the process enters a function, then it
- // should 'finish' it. However, figuring this out is tricky. In
- // particular, the program can do any of:
- // 0. Not change current frame.
- // 1. Entering or exiting a region within the current function
- // (which changes the frame ID, but which we shouldn't 'finish')
- // 2. Exiting the current function (which changes the frame ID)
- // 3. Entering a function (which should be 'finish'ed)
- // For this reason, we have to be very careful about when we decide to do
- // the 'finish'.
-
- // Get the current frame, but don't trust it. It could change...
- void *CurrentFrame = Process->getPreviousFrame(0);
-
- // Don't trust the current frame: get the caller frame.
- void *ParentFrame = Process->getPreviousFrame(CurrentFrame);
-
- // Ok, we have some information, run the program one step.
- Process->stepProgram();
-
- // Where is the new frame? The most common case, by far is that it has not
- // been modified (Case #0), in which case we don't need to do anything more.
- void *NewFrame = Process->getPreviousFrame(0);
- if (NewFrame != CurrentFrame) {
- // Ok, the frame changed. If we are case #1, then the parent frame will
- // be identical.
- void *NewParentFrame = Process->getPreviousFrame(NewFrame);
- if (ParentFrame != NewParentFrame) {
- // Ok, now we know we aren't case #0 or #1. Check to see if we entered
- // a new function. If so, the parent frame will be "CurrentFrame".
- if (CurrentFrame == NewParentFrame)
- Process->finishProgram(NewFrame);
- }
- }
-
- } catch (InferiorProcessDead &IPD) {
- killProgram();
- throw NonErrorException("The program stopped with exit code " +
- itostr(IPD.getExitCode()));
- } catch (...) {
- killProgram();
- throw;
- }
-}
-
-/// finishProgram - Implement the 'finish' command, continuing execution
-/// until the specified frame ID returns.
-void Debugger::finishProgram(void *Frame) {
- assert(isProgramRunning() && "Cannot cont if the program isn't running!");
- try {
- Process->finishProgram(Frame);
- } catch (InferiorProcessDead &IPD) {
- killProgram();
- throw NonErrorException("The program stopped with exit code " +
- itostr(IPD.getExitCode()));
- } catch (...) {
- killProgram();
- throw;
- }
-}
-
-/// contProgram - Implement the 'cont' command, continuing execution until
-/// the next breakpoint is encountered.
-void Debugger::contProgram() {
- assert(isProgramRunning() && "Cannot cont if the program isn't running!");
- try {
- Process->contProgram();
- } catch (InferiorProcessDead &IPD) {
- killProgram();
- throw NonErrorException("The program stopped with exit code " +
- itostr(IPD.getExitCode()));
- } catch (...) {
- killProgram();
- throw;
- }
-}
+++ /dev/null
-##===- lib/Debugger/Makefile -------------------------------*- Makefile -*-===##
-#
-# The LLVM Compiler Infrastructure
-#
-# This file is distributed under the University of Illinois Open Source
-# License. See LICENSE.TXT for details.
-#
-##===----------------------------------------------------------------------===##
-
-LEVEL = ../..
-LIBRARYNAME = LLVMDebugger
-EXTRA_DIST = README.txt
-REQUIRES_EH := 1
-BUILD_ARCHIVE = 1
-
-include $(LEVEL)/Makefile.common
+++ /dev/null
-//===-- ProgramInfo.cpp - Compute and cache info about a program ----------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the ProgramInfo and related classes, by sorting through
-// the loaded Module.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Debugger/ProgramInfo.h"
-#include "llvm/Constants.h"
-#include "llvm/Analysis/ValueTracking.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Intrinsics.h"
-#include "llvm/IntrinsicInst.h"
-#include "llvm/Instructions.h"
-#include "llvm/Module.h"
-#include "llvm/Debugger/SourceFile.h"
-#include "llvm/Debugger/SourceLanguage.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/Support/SlowOperationInformer.h"
-#include "llvm/ADT/STLExtras.h"
-using namespace llvm;
-
-/// getGlobalVariablesUsing - Return all of the global variables which have the
-/// specified value in their initializer somewhere.
-static void getGlobalVariablesUsing(Value *V,
- std::vector<GlobalVariable*> &Found) {
- for (Value::use_iterator I = V->use_begin(), E = V->use_end(); I != E; ++I) {
- if (GlobalVariable *GV = dyn_cast<GlobalVariable>(*I))
- Found.push_back(GV);
- else if (Constant *C = dyn_cast<Constant>(*I))
- getGlobalVariablesUsing(C, Found);
- }
-}
-
-/// getNextStopPoint - Follow the def-use chains of the specified LLVM value,
-/// traversing the use chains until we get to a stoppoint. When we do, return
-/// the source location of the stoppoint. If we don't find a stoppoint, return
-/// null.
-static const GlobalVariable *getNextStopPoint(const Value *V, unsigned &LineNo,
- unsigned &ColNo) {
- // The use-def chains can fork. As such, we pick the lowest numbered one we
- // find.
- const GlobalVariable *LastDesc = 0;
- unsigned LastLineNo = ~0;
- unsigned LastColNo = ~0;
-
- for (Value::use_const_iterator UI = V->use_begin(), E = V->use_end();
- UI != E; ++UI) {
- bool ShouldRecurse = true;
- if (cast<Instruction>(*UI)->getOpcode() == Instruction::PHI) {
- // Infinite loops == bad, ignore PHI nodes.
- ShouldRecurse = false;
- } else if (const CallInst *CI = dyn_cast<CallInst>(*UI)) {
-
- // If we found a stop point, check to see if it is earlier than what we
- // already have. If so, remember it.
- if (CI->getCalledFunction())
- if (const DbgStopPointInst *SPI = dyn_cast<DbgStopPointInst>(CI)) {
- unsigned CurLineNo = SPI->getLine();
- unsigned CurColNo = SPI->getColumn();
- const GlobalVariable *CurDesc = 0;
- const Value *Op = SPI->getContext();
-
- if ((CurDesc = dyn_cast<GlobalVariable>(Op)) &&
- (LineNo < LastLineNo ||
- (LineNo == LastLineNo && ColNo < LastColNo))) {
- LastDesc = CurDesc;
- LastLineNo = CurLineNo;
- LastColNo = CurColNo;
- }
- ShouldRecurse = false;
- }
- }
-
- // If this is not a phi node or a stopping point, recursively scan the users
- // of this instruction to skip over region.begin's and the like.
- if (ShouldRecurse) {
- unsigned CurLineNo, CurColNo;
- if (const GlobalVariable *GV = getNextStopPoint(*UI, CurLineNo,CurColNo)){
- if (LineNo < LastLineNo || (LineNo == LastLineNo && ColNo < LastColNo)){
- LastDesc = GV;
- LastLineNo = CurLineNo;
- LastColNo = CurColNo;
- }
- }
- }
- }
-
- if (LastDesc) {
- LineNo = LastLineNo != ~0U ? LastLineNo : 0;
- ColNo = LastColNo != ~0U ? LastColNo : 0;
- }
- return LastDesc;
-}
-
-
-//===----------------------------------------------------------------------===//
-// SourceFileInfo implementation
-//
-
-SourceFileInfo::SourceFileInfo(const GlobalVariable *Desc,
- const SourceLanguage &Lang)
- : Language(&Lang), Descriptor(Desc) {
- Version = 0;
- SourceText = 0;
-
- if (Desc && Desc->hasInitializer())
- if (ConstantStruct *CS = dyn_cast<ConstantStruct>(Desc->getInitializer()))
- if (CS->getNumOperands() > 4) {
- if (ConstantInt *CUI = dyn_cast<ConstantInt>(CS->getOperand(1)))
- Version = CUI->getZExtValue();
-
- if (!GetConstantStringInfo(CS->getOperand(3), BaseName))
- BaseName = "";
- if (!GetConstantStringInfo(CS->getOperand(4), Directory))
- Directory = "";
- }
-}
-
-SourceFileInfo::~SourceFileInfo() {
- delete SourceText;
-}
-
-SourceFile &SourceFileInfo::getSourceText() const {
- // FIXME: this should take into account the source search directories!
- if (SourceText == 0) { // Read the file in if we haven't already.
- sys::Path tmpPath;
- if (!Directory.empty())
- tmpPath.set(Directory);
- tmpPath.appendComponent(BaseName);
- if (tmpPath.canRead())
- SourceText = new SourceFile(tmpPath.str(), Descriptor);
- else
- SourceText = new SourceFile(BaseName, Descriptor);
- }
- return *SourceText;
-}
-
-
-//===----------------------------------------------------------------------===//
-// SourceFunctionInfo implementation
-//
-SourceFunctionInfo::SourceFunctionInfo(ProgramInfo &PI,
- const GlobalVariable *Desc)
- : Descriptor(Desc) {
- LineNo = ColNo = 0;
- if (Desc && Desc->hasInitializer())
- if (ConstantStruct *CS = dyn_cast<ConstantStruct>(Desc->getInitializer()))
- if (CS->getNumOperands() > 2) {
- // Entry #1 is the file descriptor.
- if (const GlobalVariable *GV =
- dyn_cast<GlobalVariable>(CS->getOperand(1)))
- SourceFile = &PI.getSourceFile(GV);
-
- // Entry #2 is the function name.
- if (!GetConstantStringInfo(CS->getOperand(2), Name))
- Name = "";
- }
-}
-
-/// getSourceLocation - This method returns the location of the first stopping
-/// point in the function.
-void SourceFunctionInfo::getSourceLocation(unsigned &RetLineNo,
- unsigned &RetColNo) const {
- // If we haven't computed this yet...
- if (!LineNo) {
- // Look at all of the users of the function descriptor, looking for calls to
- // %llvm.dbg.func.start.
- for (Value::use_const_iterator UI = Descriptor->use_begin(),
- E = Descriptor->use_end(); UI != E; ++UI)
- if (const CallInst *CI = dyn_cast<CallInst>(*UI))
- if (const Function *F = CI->getCalledFunction())
- if (F->getIntrinsicID() == Intrinsic::dbg_func_start) {
- // We found the start of the function. Check to see if there are
- // any stop points on the use-list of the function start.
- const GlobalVariable *SD = getNextStopPoint(CI, LineNo, ColNo);
- if (SD) { // We found the first stop point!
- // This is just a sanity check.
- if (getSourceFile().getDescriptor() != SD)
- outs() << "WARNING: first line of function is not in the"
- << " file that the function descriptor claims it is in.\n";
- break;
- }
- }
- }
- RetLineNo = LineNo; RetColNo = ColNo;
-}
-
-//===----------------------------------------------------------------------===//
-// ProgramInfo implementation
-//
-
-ProgramInfo::ProgramInfo(Module *m) : M(m), ProgramTimeStamp(0,0) {
- assert(M && "Cannot create program information with a null module!");
- sys::PathWithStatus ModPath(M->getModuleIdentifier());
- const sys::FileStatus *Stat = ModPath.getFileStatus();
- if (Stat)
- ProgramTimeStamp = Stat->getTimestamp();
-
- SourceFilesIsComplete = false;
- SourceFunctionsIsComplete = false;
-}
-
-ProgramInfo::~ProgramInfo() {
- // Delete cached information about source program objects...
- for (std::map<const GlobalVariable*, SourceFileInfo*>::iterator
- I = SourceFiles.begin(), E = SourceFiles.end(); I != E; ++I)
- delete I->second;
- for (std::map<const GlobalVariable*, SourceFunctionInfo*>::iterator
- I = SourceFunctions.begin(), E = SourceFunctions.end(); I != E; ++I)
- delete I->second;
-
- // Delete the source language caches.
- for (unsigned i = 0, e = LanguageCaches.size(); i != e; ++i)
- delete LanguageCaches[i].second;
-}
-
-
-//===----------------------------------------------------------------------===//
-// SourceFileInfo tracking...
-//
-
-/// getSourceFile - Return source file information for the specified source file
-/// descriptor object, adding it to the collection as needed. This method
-/// always succeeds (is unambiguous), and is always efficient.
-///
-const SourceFileInfo &
-ProgramInfo::getSourceFile(const GlobalVariable *Desc) {
- SourceFileInfo *&Result = SourceFiles[Desc];
- if (Result) return *Result;
-
- // Figure out what language this source file comes from...
- unsigned LangID = 0; // Zero is unknown language
- if (Desc && Desc->hasInitializer())
- if (ConstantStruct *CS = dyn_cast<ConstantStruct>(Desc->getInitializer()))
- if (CS->getNumOperands() > 2)
- if (ConstantInt *CUI = dyn_cast<ConstantInt>(CS->getOperand(2)))
- LangID = CUI->getZExtValue();
-
- const SourceLanguage &Lang = SourceLanguage::get(LangID);
- SourceFileInfo *New = Lang.createSourceFileInfo(Desc, *this);
-
- // FIXME: this should check to see if there is already a Filename/WorkingDir
- // pair that matches this one. If so, we shouldn't create the duplicate!
- //
- SourceFileIndex.insert(std::make_pair(New->getBaseName(), New));
- return *(Result = New);
-}
-
-
-/// getSourceFiles - Index all of the source files in the program and return
-/// a mapping of it. This information is lazily computed the first time
-/// that it is requested. Since this information can take a long time to
-/// compute, the user is given a chance to cancel it. If this occurs, an
-/// exception is thrown.
-const std::map<const GlobalVariable*, SourceFileInfo*> &
-ProgramInfo::getSourceFiles(bool RequiresCompleteMap) {
- // If we have a fully populated map, or if the client doesn't need one, just
- // return what we have.
- if (SourceFilesIsComplete || !RequiresCompleteMap)
- return SourceFiles;
-
- // Ok, all of the source file descriptors (compile_unit in dwarf terms),
- // should be on the use list of the llvm.dbg.translation_units global.
- //
- GlobalVariable *Units =
- M->getGlobalVariable("llvm.dbg.translation_units",
- StructType::get(M->getContext()));
- if (Units == 0)
- throw "Program contains no debugging information!";
-
- std::vector<GlobalVariable*> TranslationUnits;
- getGlobalVariablesUsing(Units, TranslationUnits);
-
- SlowOperationInformer SOI("building source files index");
-
- // Loop over all of the translation units found, building the SourceFiles
- // mapping.
- for (unsigned i = 0, e = TranslationUnits.size(); i != e; ++i) {
- getSourceFile(TranslationUnits[i]);
- if (SOI.progress(i+1, e))
- throw "While building source files index, operation cancelled.";
- }
-
- // Ok, if we got this far, then we indexed the whole program.
- SourceFilesIsComplete = true;
- return SourceFiles;
-}
-
-/// getSourceFile - Look up the file with the specified name. If there is
-/// more than one match for the specified filename, prompt the user to pick
-/// one. If there is no source file that matches the specified name, throw
-/// an exception indicating that we can't find the file. Otherwise, return
-/// the file information for that file.
-const SourceFileInfo &ProgramInfo::getSourceFile(const std::string &Filename) {
- std::multimap<std::string, SourceFileInfo*>::const_iterator Start, End;
- getSourceFiles();
- tie(Start, End) = SourceFileIndex.equal_range(Filename);
-
- if (Start == End) throw "Could not find source file '" + Filename + "'!";
- const SourceFileInfo &SFI = *Start->second;
- ++Start;
- if (Start == End) return SFI;
-
- throw "FIXME: Multiple source files with the same name not implemented!";
-}
-
-
-//===----------------------------------------------------------------------===//
-// SourceFunctionInfo tracking...
-//
-
-
-/// getFunction - Return function information for the specified function
-/// descriptor object, adding it to the collection as needed. This method
-/// always succeeds (is unambiguous), and is always efficient.
-///
-const SourceFunctionInfo &
-ProgramInfo::getFunction(const GlobalVariable *Desc) {
- SourceFunctionInfo *&Result = SourceFunctions[Desc];
- if (Result) return *Result;
-
- // Figure out what language this function comes from...
- const GlobalVariable *SourceFileDesc = 0;
- if (Desc && Desc->hasInitializer())
- if (ConstantStruct *CS = dyn_cast<ConstantStruct>(Desc->getInitializer()))
- if (CS->getNumOperands() > 0)
- if (const GlobalVariable *GV =
- dyn_cast<GlobalVariable>(CS->getOperand(1)))
- SourceFileDesc = GV;
-
- const SourceLanguage &Lang = getSourceFile(SourceFileDesc).getLanguage();
- return *(Result = Lang.createSourceFunctionInfo(Desc, *this));
-}
-
-
-// getSourceFunctions - Index all of the functions in the program and return
-// them. This information is lazily computed the first time that it is
-// requested. Since this information can take a long time to compute, the user
-// is given a chance to cancel it. If this occurs, an exception is thrown.
-const std::map<const GlobalVariable*, SourceFunctionInfo*> &
-ProgramInfo::getSourceFunctions(bool RequiresCompleteMap) {
- if (SourceFunctionsIsComplete || !RequiresCompleteMap)
- return SourceFunctions;
-
- // Ok, all of the source function descriptors (subprogram in dwarf terms),
- // should be on the use list of the llvm.dbg.translation_units global.
- //
- GlobalVariable *Units =
- M->getGlobalVariable("llvm.dbg.globals", StructType::get(M->getContext()));
- if (Units == 0)
- throw "Program contains no debugging information!";
-
- std::vector<GlobalVariable*> Functions;
- getGlobalVariablesUsing(Units, Functions);
-
- SlowOperationInformer SOI("building functions index");
-
- // Loop over all of the functions found, building the SourceFunctions mapping.
- for (unsigned i = 0, e = Functions.size(); i != e; ++i) {
- getFunction(Functions[i]);
- if (SOI.progress(i+1, e))
- throw "While functions index, operation cancelled.";
- }
-
- // Ok, if we got this far, then we indexed the whole program.
- SourceFunctionsIsComplete = true;
- return SourceFunctions;
-}
+++ /dev/null
-//===-- llvm/lib/Debugger/ - LLVM Debugger interfaces ---------------------===//
-
-This directory contains the implementation of the LLVM debugger backend. This
-directory builds into a library which can be used by various debugger
-front-ends to debug LLVM programs. The current command line LLVM debugger,
-llvm-db is currently the only client of this library, but others could be
-built, to provide a GUI front-end for example.
+++ /dev/null
-//===-- RuntimeInfo.cpp - Compute and cache info about running program ----===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the RuntimeInfo and related classes, by querying and
-// cachine information from the running inferior process.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Debugger/InferiorProcess.h"
-#include "llvm/Debugger/ProgramInfo.h"
-#include "llvm/Debugger/RuntimeInfo.h"
-using namespace llvm;
-
-//===----------------------------------------------------------------------===//
-// StackFrame class implementation
-
-StackFrame::StackFrame(RuntimeInfo &ri, void *ParentFrameID)
- : RI(ri), SourceInfo(0) {
- FrameID = RI.getInferiorProcess().getPreviousFrame(ParentFrameID);
- if (FrameID == 0) throw "Stack frame does not exist!";
-
- // Compute lazily as needed.
- FunctionDesc = 0;
-}
-
-const GlobalVariable *StackFrame::getFunctionDesc() {
- if (FunctionDesc == 0)
- FunctionDesc = RI.getInferiorProcess().getSubprogramDesc(FrameID);
- return FunctionDesc;
-}
-
-/// getSourceLocation - Return the source location that this stack frame is
-/// sitting at.
-void StackFrame::getSourceLocation(unsigned &lineNo, unsigned &colNo,
- const SourceFileInfo *&sourceInfo) {
- if (SourceInfo == 0) {
- const GlobalVariable *SourceDesc = 0;
- RI.getInferiorProcess().getFrameLocation(FrameID, LineNo,ColNo, SourceDesc);
- SourceInfo = &RI.getProgramInfo().getSourceFile(SourceDesc);
- }
-
- lineNo = LineNo;
- colNo = ColNo;
- sourceInfo = SourceInfo;
-}
-
-//===----------------------------------------------------------------------===//
-// RuntimeInfo class implementation
-
-/// materializeFrame - Create and process all frames up to and including the
-/// specified frame number. This throws an exception if the specified frame
-/// ID is nonexistant.
-void RuntimeInfo::materializeFrame(unsigned ID) {
- assert(ID >= CallStack.size() && "no need to materialize this frame!");
- void *CurFrame = 0;
- if (!CallStack.empty())
- CurFrame = CallStack.back().getFrameID();
-
- while (CallStack.size() <= ID) {
- CallStack.push_back(StackFrame(*this, CurFrame));
- CurFrame = CallStack.back().getFrameID();
- }
-}
+++ /dev/null
-//===-- SourceFile.cpp - SourceFile implementation for the debugger -------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the SourceFile class for the LLVM debugger.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Debugger/SourceFile.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include <cassert>
-using namespace llvm;
-
-static const char EmptyFile = 0;
-
-SourceFile::SourceFile(const std::string &fn, const GlobalVariable *Desc)
- : Filename(fn), Descriptor(Desc) {
- File.reset(MemoryBuffer::getFileOrSTDIN(fn));
-
- // On error, return an empty buffer.
- if (File == 0)
- File.reset(MemoryBuffer::getMemBuffer(&EmptyFile, &EmptyFile));
-}
-
-SourceFile::~SourceFile() {
-}
-
-
-/// calculateLineOffsets - Compute the LineOffset vector for the current file.
-///
-void SourceFile::calculateLineOffsets() const {
- assert(LineOffset.empty() && "Line offsets already computed!");
- const char *BufPtr = File->getBufferStart();
- const char *FileStart = BufPtr;
- const char *FileEnd = File->getBufferEnd();
- do {
- LineOffset.push_back(BufPtr-FileStart);
-
- // Scan until we get to a newline.
- while (BufPtr != FileEnd && *BufPtr != '\n' && *BufPtr != '\r')
- ++BufPtr;
-
- if (BufPtr != FileEnd) {
- ++BufPtr; // Skip over the \n or \r
- if (BufPtr[-1] == '\r' && BufPtr != FileEnd && BufPtr[0] == '\n')
- ++BufPtr; // Skip over dos/windows style \r\n's
- }
- } while (BufPtr != FileEnd);
-}
-
-
-/// getSourceLine - Given a line number, return the start and end of the line
-/// in the file. If the line number is invalid, or if the file could not be
-/// loaded, null pointers are returned for the start and end of the file. Note
-/// that line numbers start with 0, not 1.
-void SourceFile::getSourceLine(unsigned LineNo, const char *&LineStart,
- const char *&LineEnd) const {
- LineStart = LineEnd = 0;
- if (LineOffset.empty()) calculateLineOffsets();
-
- // Asking for an out-of-range line number?
- if (LineNo >= LineOffset.size()) return;
-
- // Otherwise, they are asking for a valid line, which we can fulfill.
- LineStart = File->getBufferStart()+LineOffset[LineNo];
-
- if (LineNo+1 < LineOffset.size())
- LineEnd = File->getBufferStart()+LineOffset[LineNo+1];
- else
- LineEnd = File->getBufferEnd();
-
- // If the line ended with a newline, strip it off.
- while (LineEnd != LineStart && (LineEnd[-1] == '\n' || LineEnd[-1] == '\r'))
- --LineEnd;
-
- assert(LineEnd >= LineStart && "We somehow got our pointers swizzled!");
-}
+++ /dev/null
-//===-- SourceLanguage-CFamily.cpp - C family SourceLanguage impl ---------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the SourceLanguage class for the C family of languages
-// (K&R C, C89, C99, etc).
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Debugger/SourceLanguage.h"
-using namespace llvm;
-
-#if 0
-namespace {
- struct CSL : public SourceLanguage {
- } TheCSourceLanguageInstance;
-}
-#endif
-
-const SourceLanguage &SourceLanguage::getCFamilyInstance() {
- return get(0); // We don't have an implementation for C yet fall back on
- // generic
-}
+++ /dev/null
-//===-- SourceLanguage-CPlusPlus.cpp - C++ SourceLanguage impl ------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the SourceLanguage class for the C++ language.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Debugger/SourceLanguage.h"
-using namespace llvm;
-
-#if 0
-namespace {
- struct CPPSL : public SourceLanguage {
- } TheCPlusPlusLanguageInstance;
-}
-#endif
-
-const SourceLanguage &SourceLanguage::getCPlusPlusInstance() {
- return get(0); // We don't have an implementation for C yet fall back on
- // generic
-}
+++ /dev/null
-//===-- SourceLanguage-Unknown.cpp - Implement itf for unknown languages --===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// If the LLVM debugger does not have a module for a particular language, it
-// falls back on using this one to perform the source-language interface. This
-// interface is not wonderful, but it gets the job done.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Debugger/SourceLanguage.h"
-#include "llvm/Debugger/ProgramInfo.h"
-#include "llvm/Support/raw_ostream.h"
-#include <cassert>
-using namespace llvm;
-
-//===----------------------------------------------------------------------===//
-// Implement the SourceLanguage cache for the Unknown language.
-//
-
-namespace {
- /// SLUCache - This cache allows for efficient lookup of source functions by
- /// name.
- ///
- struct SLUCache : public SourceLanguageCache {
- ProgramInfo &PI;
- std::multimap<std::string, SourceFunctionInfo*> FunctionMap;
- public:
- SLUCache(ProgramInfo &pi);
-
- typedef std::multimap<std::string, SourceFunctionInfo*>::const_iterator
- fm_iterator;
-
- std::pair<fm_iterator, fm_iterator>
- getFunction(const std::string &Name) const {
- return FunctionMap.equal_range(Name);
- }
-
- SourceFunctionInfo *addSourceFunction(SourceFunctionInfo *SF) {
- FunctionMap.insert(std::make_pair(SF->getSymbolicName(), SF));
- return SF;
- }
- };
-}
-
-SLUCache::SLUCache(ProgramInfo &pi) : PI(pi) {
-}
-
-
-//===----------------------------------------------------------------------===//
-// Implement SourceLanguageUnknown class, which is used to handle unrecognized
-// languages.
-//
-
-namespace {
- static struct SLU : public SourceLanguage {
- //===------------------------------------------------------------------===//
- // Implement the miscellaneous methods...
- //
- virtual const char *getSourceLanguageName() const {
- return "unknown";
- }
-
- /// lookupFunction - Given a textual function name, return the
- /// SourceFunctionInfo descriptor for that function, or null if it cannot be
- /// found. If the program is currently running, the RuntimeInfo object
- /// provides information about the current evaluation context, otherwise it
- /// will be null.
- ///
- virtual SourceFunctionInfo *lookupFunction(const std::string &FunctionName,
- ProgramInfo &PI,
- RuntimeInfo *RI = 0) const;
-
- //===------------------------------------------------------------------===//
- // We do use a cache for information...
- //
- typedef SLUCache CacheType;
- SLUCache *createSourceLanguageCache(ProgramInfo &PI) const {
- return new SLUCache(PI);
- }
-
- /// createSourceFunctionInfo - Create the new object and inform the cache of
- /// the new function.
- virtual SourceFunctionInfo *
- createSourceFunctionInfo(const GlobalVariable *Desc, ProgramInfo &PI) const;
-
- } TheUnknownSourceLanguageInstance;
-}
-
-const SourceLanguage &SourceLanguage::getUnknownLanguageInstance() {
- return TheUnknownSourceLanguageInstance;
-}
-
-
-SourceFunctionInfo *
-SLU::createSourceFunctionInfo(const GlobalVariable *Desc,
- ProgramInfo &PI) const {
- SourceFunctionInfo *Result = new SourceFunctionInfo(PI, Desc);
- return PI.getLanguageCache(this).addSourceFunction(Result);
-}
-
-
-/// lookupFunction - Given a textual function name, return the
-/// SourceFunctionInfo descriptor for that function, or null if it cannot be
-/// found. If the program is currently running, the RuntimeInfo object
-/// provides information about the current evaluation context, otherwise it will
-/// be null.
-///
-SourceFunctionInfo *SLU::lookupFunction(const std::string &FunctionName,
- ProgramInfo &PI, RuntimeInfo *RI) const{
- SLUCache &Cache = PI.getLanguageCache(this);
- std::pair<SLUCache::fm_iterator, SLUCache::fm_iterator> IP
- = Cache.getFunction(FunctionName);
-
- if (IP.first == IP.second) {
- if (PI.allSourceFunctionsRead())
- return 0; // Nothing found
-
- // Otherwise, we might be able to find the function if we read all of them
- // in. Do so now.
- PI.getSourceFunctions();
- assert(PI.allSourceFunctionsRead() && "Didn't read in all functions?");
- return lookupFunction(FunctionName, PI, RI);
- }
-
- SourceFunctionInfo *Found = IP.first->second;
- ++IP.first;
- if (IP.first != IP.second)
- outs() << "Whoa, found multiple functions with the same name. I should"
- << " ask the user which one to use: FIXME!\n";
- return Found;
-}
+++ /dev/null
-//===-- SourceLanguage.cpp - Implement the SourceLanguage class -----------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the SourceLanguage class.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Debugger/SourceLanguage.h"
-#include "llvm/Debugger/ProgramInfo.h"
-using namespace llvm;
-
-const SourceLanguage &SourceLanguage::get(unsigned ID) {
- switch (ID) {
- case 1: // DW_LANG_C89
- case 2: // DW_LANG_C
- case 12: // DW_LANG_C99
- return getCFamilyInstance();
-
- case 4: // DW_LANG_C_plus_plus
- return getCPlusPlusInstance();
-
- case 3: // DW_LANG_Ada83
- case 5: // DW_LANG_Cobol74
- case 6: // DW_LANG_Cobol85
- case 7: // DW_LANG_Fortran77
- case 8: // DW_LANG_Fortran90
- case 9: // DW_LANG_Pascal83
- case 10: // DW_LANG_Modula2
- case 11: // DW_LANG_Java
- case 13: // DW_LANG_Ada95
- case 14: // DW_LANG_Fortran95
- default:
- return getUnknownLanguageInstance();
- }
-}
-
-
-SourceFileInfo *
-SourceLanguage::createSourceFileInfo(const GlobalVariable *Desc,
- ProgramInfo &PI) const {
- return new SourceFileInfo(Desc, *this);
-}
-
-SourceFunctionInfo *
-SourceLanguage::createSourceFunctionInfo(const GlobalVariable *Desc,
- ProgramInfo &PI) const {
- return new SourceFunctionInfo(PI, Desc);
-}
include $(LEVEL)/Makefile.config
PARALLEL_DIRS := VMCore AsmParser Bitcode Archive Analysis Transforms CodeGen \
- Target ExecutionEngine Debugger Linker MC CompilerDriver
+ Target ExecutionEngine Linker MC CompilerDriver
include $(LEVEL)/Makefile.common
add_subdirectory(lli)
add_subdirectory(llvm-extract)
-add_subdirectory(llvm-db)
add_subdirectory(bugpoint)
add_subdirectory(llvm-bcanalyzer)
PARALLEL_DIRS := opt llvm-as llvm-dis \
llc llvm-ranlib llvm-ar llvm-nm \
llvm-ld llvm-prof llvm-link \
- lli llvm-extract llvm-db \
+ lli llvm-extract \
bugpoint llvm-bcanalyzer llvm-stub \
llvm-mc llvmc
+++ /dev/null
-//===- CLICommand.h - Classes used to represent commands --------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines a small class hierarchy used to represent the various types
-// of commands in the CLI debugger front-end.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef CLICOMMAND_H
-#define CLICOMMAND_H
-
-#include <string>
-#include <vector>
-#include <cassert>
-
-namespace llvm {
- class CLIDebugger;
-
- /// CLICommand - Base class of the hierarchy, used to provide the abstract
- /// interface common to all commands.
- ///
- class CLICommand {
- /// ShortHelp, LongHelp - The short and long helps strings printed for the
- /// command. The ShortHelp string should be a single line of text without a
- /// newline. The LongHelp string should be a full description with
- /// terminating newline.
- std::string ShortHelp, LongHelp;
-
- /// RefCount - This contains the number of entries in the CLIDebugger
- /// CommandTable that points to this command.
- unsigned RefCount;
-
- /// OptionNames - This contains a list of names for the option. Keeping
- /// track of this is done just to make the help output more helpful.
- ///
- std::vector<std::string> OptionNames;
- public:
- CLICommand(const std::string &SH, const std::string &LH)
- : ShortHelp(SH), LongHelp(LH), RefCount(0) {}
-
- virtual ~CLICommand() {}
-
- /// addRef/dropRef - Implement a simple reference counting scheme to make
- /// sure we delete commands that are no longer used.
- void addRef() { ++RefCount; }
- void dropRef() {
- if (--RefCount == 0) delete this;
- }
-
- /// getPrimaryOptionName - Return the first name the option was added under.
- /// This is the name we report for the option in the help output.
- std::string getPrimaryOptionName() const {
- return OptionNames.empty() ? "" : OptionNames[0];
- }
-
- /// getOptionName - Return all of the names the option is registered as.
- ///
- const std::vector<std::string> &getOptionNames() const {
- return OptionNames;
- }
-
- /// addOptionName - Add a name that this option is known as.
- ///
- void addOptionName(const std::string &Name) {
- OptionNames.push_back(Name);
- }
-
- /// removeOptionName - Eliminate one of the names for this option.
- ///
- void removeOptionName(const std::string &Name) {
- unsigned i = 0;
- for (; OptionNames[i] != Name; ++i)
- assert(i+1 < OptionNames.size() && "Didn't find option name!");
- OptionNames.erase(OptionNames.begin()+i);
- }
-
-
- /// getShortHelp - Return the short help string for this command.
- ///
- const std::string &getShortHelp() { return ShortHelp; }
-
- /// getLongHelp - Return the long help string for this command, if it
- /// exists.
- const std::string &getLongHelp() { return LongHelp; }
-
- virtual void runCommand(CLIDebugger &D, std::string &Arguments) = 0;
- };
-
- /// BuiltinCLICommand - This class represents commands that are built directly
- /// into the debugger.
- class BuiltinCLICommand : public CLICommand {
- // Impl - Pointer to the method that implements the command
- void (CLIDebugger::*Impl)(std::string&);
- public:
- BuiltinCLICommand(const std::string &ShortHelp, const std::string &LongHelp,
- void (CLIDebugger::*impl)(std::string&))
- : CLICommand(ShortHelp, LongHelp), Impl(impl) {}
-
- void runCommand(CLIDebugger &D, std::string &Arguments) {
- (D.*Impl)(Arguments);
- }
- };
-}
-
-#endif
+++ /dev/null
-//===-- CLIDebugger.cpp - Command Line Interface to the Debugger ----------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains the main implementation of the Command Line Interface to
-// the debugger.
-//
-//===----------------------------------------------------------------------===//
-
-#include "CLIDebugger.h"
-#include "CLICommand.h"
-#include "llvm/Debugger/SourceFile.h"
-#include "llvm/ADT/StringExtras.h"
-#include <iostream>
-using namespace llvm;
-
-/// CLIDebugger constructor - This initializes the debugger to its default
-/// state, and initializes the command table.
-///
-CLIDebugger::CLIDebugger(LLVMContext& ctxt)
- : Context(ctxt), TheProgramInfo(0), TheRuntimeInfo(0),
- Prompt("(llvm-db) "), ListSize(10) {
- // Initialize instance variables
- CurrentFile = 0;
- LineListedStart = 1;
- LineListedEnd = 1;
- LastCurrentFrame = 0;
- CurrentLanguage = 0;
-
- CLICommand *C;
- //===--------------------------------------------------------------------===//
- // Program startup and shutdown options
- //
- addCommand("file", new BuiltinCLICommand(
- "Use specified file as the program to be debugged",
- "The debugger looks in the current directory and the program $PATH for the"
- " specified LLVM program. It then unloads the currently loaded program and"
- " loads the specified program.\n",
- &CLIDebugger::fileCommand));
-
- addCommand("create", new BuiltinCLICommand(
- "Start the program, halting its execution in main",
- "This command creates an instance of the current program, but stops"
- "\nexecution immediately.\n",
- &CLIDebugger::createCommand));
-
- addCommand("kill", new BuiltinCLICommand(
- "Kills the execution of the current program being debugged", "",
- &CLIDebugger::killCommand));
-
- addCommand("quit", new BuiltinCLICommand(
- "Exit the debugger", "",
- &CLIDebugger::quitCommand));
-
- //===--------------------------------------------------------------------===//
- // Program execution commands
- //
- addCommand("run", C = new BuiltinCLICommand(
- "Start the program running from the beginning", "",
- &CLIDebugger::runCommand));
- addCommand("r", C);
-
- addCommand("cont", C = new BuiltinCLICommand(
- "Continue program being debugged until the next stop point", "",
- &CLIDebugger::contCommand));
- addCommand("c", C); addCommand("fg", C);
-
- addCommand("step", C = new BuiltinCLICommand(
- "Step program until it reaches a new source line", "",
- &CLIDebugger::stepCommand));
- addCommand("s", C);
-
- addCommand("next", C = new BuiltinCLICommand(
- "Step program until it reaches a new source line, stepping over calls", "",
- &CLIDebugger::nextCommand));
- addCommand("n", C);
-
- addCommand("finish", new BuiltinCLICommand(
- "Execute until the selected stack frame returns",
- "Upon return, the value returned is printed and put in the value history.\n",
- &CLIDebugger::finishCommand));
-
- //===--------------------------------------------------------------------===//
- // Stack frame commands
- //
- addCommand("backtrace", C = new BuiltinCLICommand(
- "Print backtrace of all stack frames, or innermost COUNT frames",
- "FIXME: describe. Takes 'n', '-n' or 'full'\n",
- &CLIDebugger::backtraceCommand));
- addCommand("bt", C);
-
- addCommand("up", new BuiltinCLICommand(
- "Select and print stack frame that called this one",
- "An argument says how many frames up to go.\n",
- &CLIDebugger::upCommand));
-
- addCommand("down", new BuiltinCLICommand(
- "Select and print stack frame called by this one",
- "An argument says how many frames down go.\n",
- &CLIDebugger::downCommand));
-
- addCommand("frame", C = new BuiltinCLICommand(
- "Select and print a stack frame",
- "With no argument, print the selected stack frame. (See also 'info frame').\n"
- "An argument specifies the frame to select.\n",
- &CLIDebugger::frameCommand));
- addCommand("f", C);
-
- //===--------------------------------------------------------------------===//
- // Breakpoint related commands
- //
- addCommand("break", C = new BuiltinCLICommand(
- "Set breakpoint at specified line or function",
- "FIXME: describe.\n",
- &CLIDebugger::breakCommand));
- addCommand("b", C);
-
-
- //===--------------------------------------------------------------------===//
- // Miscellaneous commands
- //
- addCommand("info", new BuiltinCLICommand(
- "Generic command for showing things about the program being debugged",
- "info functions: display information about functions in the program.\ninfo"
- " source : display information about the current source file.\ninfo source"
- "s : Display source file names for the program\ninfo target : print status"
- " of inferior process\n",
- &CLIDebugger::infoCommand));
-
- addCommand("list", C = new BuiltinCLICommand(
- "List specified function or line",
- "FIXME: document\n",
- &CLIDebugger::listCommand));
- addCommand("l", C);
-
- addCommand("set", new BuiltinCLICommand(
- "Change program or debugger variable",
- "FIXME: document\n",
- &CLIDebugger::setCommand));
-
- addCommand("show", new BuiltinCLICommand(
- "Generic command for showing things about the debugger",
- "FIXME: document\n",
- &CLIDebugger::showCommand));
-
- addCommand("help", C = new BuiltinCLICommand(
- "Prints information about available commands", "",
- &CLIDebugger::helpCommand));
- addCommand("h", C);
-}
-
-
-/// addCommand - Add a command to the CommandTable, potentially displacing a
-/// preexisting command.
-void CLIDebugger::addCommand(const std::string &Option, CLICommand *Cmd) {
- assert(Cmd && "Cannot set a null command!");
- CLICommand *&CS = CommandTable[Option];
- if (CS == Cmd) return; // noop
-
- // If we already have a command, decrement the command's reference count.
- if (CS) {
- CS->removeOptionName(Option);
- CS->dropRef();
- }
- CS = Cmd;
-
- // Remember that we are using this command.
- Cmd->addRef();
- Cmd->addOptionName(Option);
-}
-
-static bool isValidPrefix(const std::string &Prefix, const std::string &Option){
- return Prefix.size() <= Option.size() &&
- Prefix == std::string(Option.begin(), Option.begin()+Prefix.size());
-}
-
-/// getCommand - This looks up the specified command using a fuzzy match.
-/// If the string exactly matches a command or is an unambiguous prefix of a
-/// command, it returns the command. Otherwise it throws an exception
-/// indicating the possible ambiguous choices.
-CLICommand *CLIDebugger::getCommand(const std::string &Command) {
-
- // Look up the command in the table.
- std::map<std::string, CLICommand*>::iterator CI =
- CommandTable.lower_bound(Command);
-
- if (Command == "") {
- throw "Null command should not get here!";
- } else if (CI == CommandTable.end() ||
- !isValidPrefix(Command, CI->first)) {
- // If this command has no relation to anything in the command table,
- // print the error message.
- throw "Unknown command: '" + Command +
- "'. Use 'help' for list of commands.";
- } else if (CI->first == Command) {
- // We have an exact match on the command
- return CI->second;
- } else {
- // Otherwise, we have a prefix match. Check to see if this is
- // unambiguous, and if so, run it.
- std::map<std::string, CLICommand*>::iterator CI2 = CI;
-
- // If the next command is a valid completion of this one, we are
- // ambiguous.
- if (++CI2 != CommandTable.end() && isValidPrefix(Command, CI2->first)) {
- std::string ErrorMsg =
- "Ambiguous command '" + Command + "'. Options: " + CI->first;
- for (++CI; CI != CommandTable.end() &&
- isValidPrefix(Command, CI->first); ++CI)
- ErrorMsg += ", " + CI->first;
- throw ErrorMsg;
- } else {
- // It's an unambiguous prefix of a command, use it.
- return CI->second;
- }
- }
-}
-
-
-/// run - Start the debugger, returning when the user exits the debugger. This
-/// starts the main event loop of the CLI debugger.
-///
-int CLIDebugger::run() {
- std::string Command;
- std::cout << Prompt;
-
- // Keep track of the last command issued, so that we can reissue it if the
- // user hits enter as the command.
- CLICommand *LastCommand = 0;
- std::string LastArgs;
-
- // Continue reading commands until the end of file.
- while (getline(std::cin, Command)) {
- std::string Arguments = Command;
-
- // Split off the command from the arguments to the command.
- Command = getToken(Arguments, " \t\n\v\f\r\\/;.*&");
-
- try {
- CLICommand *CurCommand;
-
- if (Command == "") {
- CurCommand = LastCommand;
- Arguments = LastArgs;
- } else {
- CurCommand = getCommand(Command);
- }
-
- // Save the command we are running in case the user wants us to repeat it
- // next time.
- LastCommand = CurCommand;
- LastArgs = Arguments;
-
- // Finally, execute the command.
- if (CurCommand)
- CurCommand->runCommand(*this, Arguments);
-
- } catch (int RetVal) {
- // The quit command exits the command loop by throwing an integer return
- // code.
- return RetVal;
- } catch (const std::string &Error) {
- std::cout << "Error: " << Error << "\n";
- } catch (const char *Error) {
- std::cout << "Error: " << Error << "\n";
- } catch (const NonErrorException &E) {
- std::cout << E.getMessage() << "\n";
- } catch (...) {
- std::cout << "ERROR: Debugger caught unexpected exception!\n";
- // Attempt to continue.
- }
-
- // Write the prompt to get the next bit of user input
- std::cout << Prompt;
- }
-
- return 0;
-}
-
-
-/// askYesNo - Ask the user a question, and demand a yes/no response. If
-/// the user says yes, return true.
-///
-bool CLIDebugger::askYesNo(const std::string &Message) const {
- std::string Answer;
- std::cout << Message << " (y or n) " << std::flush;
- while (getline(std::cin, Answer)) {
- std::string Val = getToken(Answer);
- if (getToken(Answer).empty()) {
- if (Val == "yes" || Val == "y" || Val == "YES" || Val == "Y" ||
- Val == "Yes")
- return true;
- if (Val == "no" || Val == "n" || Val == "NO" || Val == "N" ||
- Val == "No")
- return false;
- }
-
- std::cout << "Please answer y or n.\n" << Message << " (y or n) "
- << std::flush;
- }
-
- // Ran out of input?
- return false;
-}
+++ /dev/null
-//===- CLIDebugger.h - LLVM Command Line Interface Debugger -----*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines the CLIDebugger class, which implements a command line
-// interface to the LLVM Debugger library.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef CLIDEBUGGER_H
-#define CLIDEBUGGER_H
-
-#include "llvm/Debugger/Debugger.h"
-#include <map>
-
-namespace llvm {
- class CLICommand;
- class SourceFile;
- struct SourceLanguage;
- class ProgramInfo;
- class RuntimeInfo;
- class LLVMContext;
-
- /// CLIDebugger - This class implements the command line interface for the
- /// LLVM debugger.
- class CLIDebugger {
- LLVMContext& Context;
-
- /// Dbg - The low-level LLVM debugger object that we use to do our dirty
- /// work.
- Debugger Dbg;
-
- /// CommandTable - This table contains a mapping from command names to the
- /// CLICommand object that implements the command.
- std::map<std::string, CLICommand*> CommandTable;
-
- //===------------------------------------------------------------------===//
- // Data related to the program that is currently loaded. Note that the Dbg
- // variable also captures some information about the loaded program. This
- // pointer is non-null iff Dbg.isProgramLoaded() is true.
- //
- ProgramInfo *TheProgramInfo;
-
- //===------------------------------------------------------------------===//
- // Data related to the program that is currently executing, but has stopped.
- // Note that the Dbg variable also captures some information about the
- // loaded program. This pointer is non-null iff Dbg.isProgramRunning() is
- // true.
- //
- RuntimeInfo *TheRuntimeInfo;
-
- /// LastCurrentFrame - This variable holds the Frame ID of the top-level
- /// stack frame from the last time that the program was executed. We keep
- /// this because we only want to print the source location when the current
- /// function changes.
- void *LastCurrentFrame;
-
- //===------------------------------------------------------------------===//
- // Data directly exposed through the debugger prompt
- //
- std::string Prompt; // set prompt, show prompt
- unsigned ListSize; // set listsize, show listsize
-
- //===------------------------------------------------------------------===//
- // Data to support user interaction
- //
-
- /// CurrentFile - The current source file we are inspecting, or null if
- /// none.
- const SourceFile *CurrentFile;
- unsigned LineListedStart, LineListedEnd;
-
- /// CurrentLanguage - This contains the source language in use, if one is
- /// explicitly set by the user. If this is null (the default), the language
- /// is automatically determined from the current stack frame.
- ///
- const SourceLanguage *CurrentLanguage;
-
- public:
- CLIDebugger(LLVMContext& ctxt);
-
- /// getDebugger - Return the current LLVM debugger implementation being
- /// used.
- Debugger &getDebugger() { return Dbg; }
-
- /// run - Start the debugger, returning when the user exits the debugger.
- /// This starts the main event loop of the CLI debugger.
- ///
- int run();
-
- /// addCommand - Add a command to the CommandTable, potentially displacing a
- /// preexisting command.
- void addCommand(const std::string &Option, CLICommand *Cmd);
-
- /// addSourceDirectory - Add a directory to search when looking for the
- /// source code of the program.
- void addSourceDirectory(const std::string &Dir) {
- // FIXME: implement
- }
-
- /// getCurrentLanguage - Return the current source language that the user is
- /// playing around with. This is aquired from the current stack frame of a
- /// running program if one exists, but this value can be explicitly set by
- /// the user as well.
- const SourceLanguage &getCurrentLanguage() const;
-
- /// getProgramInfo - Return a reference to the ProgramInfo object for the
- /// currently loaded program. If there is no program loaded, throw an
- /// exception.
- ProgramInfo &getProgramInfo() const {
- if (TheProgramInfo == 0)
- throw "No program is loaded.";
- return *TheProgramInfo;
- }
-
- /// getRuntimeInfo - Return a reference to the current RuntimeInfo object.
- /// If there is no program running, throw an exception.
- RuntimeInfo &getRuntimeInfo() const {
- if (TheRuntimeInfo == 0)
- throw "No program is running.";
- return *TheRuntimeInfo;
- }
-
- private: // Internal implementation methods
-
- /// getCommand - This looks up the specified command using a fuzzy match.
- /// If the string exactly matches a command or is an unambiguous prefix of a
- /// command, it returns the command. Otherwise it throws an exception
- /// indicating the possible ambiguous choices.
- CLICommand *getCommand(const std::string &Command);
-
- /// askYesNo - Ask the user a question, and demand a yes/no response. If
- /// the user says yes, return true.
- bool askYesNo(const std::string &Message) const;
-
- /// printProgramLocation - Given a loaded and created child process that has
- /// stopped, print its current source location.
- void printProgramLocation(bool PrintLocation = true);
-
- /// eliminateRunInfo - We are about to run the program. Forget any state
- /// about how the program used to be stopped.
- void eliminateRunInfo();
-
- /// programStoppedSuccessfully - This method updates internal data
- /// structures to reflect the fact that the program just executed a while,
- /// and has successfully stopped.
- void programStoppedSuccessfully();
-
- public: /// Builtin debugger commands, invokable by the user
- // Program startup and shutdown options
- void fileCommand(std::string &Options); // file
- void createCommand(std::string &Options); // create
- void killCommand(std::string &Options); // kill
- void quitCommand(std::string &Options); // quit
-
- // Program execution commands
- void runCommand(std::string &Options); // run|r
- void contCommand(std::string &Options); // cont|c|fg
- void stepCommand(std::string &Options); // step|s [count]
- void nextCommand(std::string &Options); // next|n [count]
- void finishCommand(std::string &Options); // finish
-
- // Stack frame commands
- void backtraceCommand(std::string &Options); // backtrace|bt [count]
- void upCommand(std::string &Options); // up
- void downCommand(std::string &Options); // down
- void frameCommand(std::string &Options); // frame
-
-
- // Breakpoint related commands
- void breakCommand(std::string &Options); // break|b <id>
-
- // Miscellaneous commands
- void infoCommand(std::string &Options); // info
- void listCommand(std::string &Options); // list
- void setCommand(std::string &Options); // set
- void showCommand(std::string &Options); // show
- void helpCommand(std::string &Options); // help
-
- private:
- /// startProgramRunning - If the program has been updated, reload it, then
- /// start executing the program.
- void startProgramRunning();
-
- /// printSourceLine - Print the specified line of the current source file.
- /// If the specified line is invalid (the source file could not be loaded or
- /// the line number is out of range), don't print anything, but return true.
- bool printSourceLine(unsigned LineNo);
-
- /// parseLineSpec - Parses a line specifier, for use by the 'list' command.
- /// If SourceFile is returned as a void pointer, then it was not specified.
- /// If the line specifier is invalid, an exception is thrown.
- void parseLineSpec(std::string &LineSpec, const SourceFile *&SourceFile,
- unsigned &LineNo);
-
- /// parseProgramOptions - This method parses the Options string and loads it
- /// as options to be passed to the program. This is used by the run command
- /// and by 'set args'.
- void parseProgramOptions(std::string &Options);
- };
-}
-
-#endif
+++ /dev/null
-set(LLVM_LINK_COMPONENTS debugger)
-set(LLVM_REQUIRES_EH 1)
-
-add_llvm_tool(llvm-db
- CLIDebugger.cpp
- Commands.cpp
- llvm-db.cpp
- )
+++ /dev/null
-//===-- Commands.cpp - Implement various commands for the CLI -------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements many builtin user commands.
-//
-//===----------------------------------------------------------------------===//
-
-#include "CLIDebugger.h"
-#include "CLICommand.h"
-#include "llvm/Debugger/ProgramInfo.h"
-#include "llvm/Debugger/RuntimeInfo.h"
-#include "llvm/Debugger/SourceLanguage.h"
-#include "llvm/Debugger/SourceFile.h"
-#include "llvm/Debugger/InferiorProcess.h"
-#include "llvm/Support/FileUtilities.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/ADT/StringExtras.h"
-#include <cstdlib>
-using namespace llvm;
-
-/// getCurrentLanguage - Return the current source language that the user is
-/// playing around with. This is aquired from the current stack frame of a
-/// running program if one exists, but this value can be explicitly set by the
-/// user as well.
-const SourceLanguage &CLIDebugger::getCurrentLanguage() const {
- // If the user explicitly switched languages with 'set language', use what
- // they asked for.
- if (CurrentLanguage) {
- return *CurrentLanguage;
- } else if (Dbg.isProgramRunning()) {
- // Otherwise, if the program is running, infer the current language from it.
- const GlobalVariable *FuncDesc =
- getRuntimeInfo().getCurrentFrame().getFunctionDesc();
- return getProgramInfo().getFunction(FuncDesc).getSourceFile().getLanguage();
- } else {
- // Otherwise, default to C like GDB apparently does.
- return SourceLanguage::getCFamilyInstance();
- }
-}
-
-/// startProgramRunning - If the program has been updated, reload it, then
-/// start executing the program.
-void CLIDebugger::startProgramRunning() {
- eliminateRunInfo();
-
- // If the program has been modified, reload it!
- sys::PathWithStatus Program(Dbg.getProgramPath());
- std::string Err;
- const sys::FileStatus *Status = Program.getFileStatus(false, &Err);
- if (!Status)
- throw Err;
- if (TheProgramInfo->getProgramTimeStamp() != Status->getTimestamp()) {
- outs() << "'" << Program.str() << "' has changed; re-reading program.\n";
-
- // Unload an existing program. This kills the program if necessary.
- Dbg.unloadProgram();
- delete TheProgramInfo;
- TheProgramInfo = 0;
- CurrentFile = 0;
-
- Dbg.loadProgram(Program.str(), Context);
- TheProgramInfo = new ProgramInfo(Dbg.getProgram());
- }
-
- outs() << "Starting program: " << Dbg.getProgramPath() << "\n";
- Dbg.createProgram();
-
- // There was no current frame.
- LastCurrentFrame = 0;
-}
-
-/// printSourceLine - Print the specified line of the current source file.
-/// If the specified line is invalid (the source file could not be loaded or
-/// the line number is out of range), don't print anything, but return true.
-bool CLIDebugger::printSourceLine(unsigned LineNo) {
- assert(CurrentFile && "There is no current source file to print!");
- const char *LineStart, *LineEnd;
- CurrentFile->getSourceLine(LineNo-1, LineStart, LineEnd);
- if (LineStart == 0) return true;
- outs() << LineNo;
-
- // If this is the line the program is currently stopped at, print a marker.
- if (Dbg.isProgramRunning()) {
- unsigned CurLineNo, CurColNo;
- const SourceFileInfo *CurSFI;
- getRuntimeInfo().getCurrentFrame().getSourceLocation(CurLineNo, CurColNo,
- CurSFI);
-
- if (CurLineNo == LineNo && CurrentFile == &CurSFI->getSourceText())
- outs() << " ->";
- }
-
- outs() << "\t" << std::string(LineStart, LineEnd) << "\n";
- return false;
-}
-
-/// printProgramLocation - Print a line of the place where the current stack
-/// frame has stopped and the source line it is on.
-///
-void CLIDebugger::printProgramLocation(bool PrintLocation) {
- assert(Dbg.isProgramLoaded() && Dbg.isProgramRunning() &&
- "Error program is not loaded and running!");
-
- // Figure out where the program stopped...
- StackFrame &SF = getRuntimeInfo().getCurrentFrame();
- unsigned LineNo, ColNo;
- const SourceFileInfo *FileDesc;
- SF.getSourceLocation(LineNo, ColNo, FileDesc);
-
- // If requested, print out some program information about WHERE we are.
- if (PrintLocation) {
- // FIXME: print the current function arguments
- if (const GlobalVariable *FuncDesc = SF.getFunctionDesc())
- outs() << getProgramInfo().getFunction(FuncDesc).getSymbolicName();
- else
- outs() << "<unknown function>";
-
- CurrentFile = &FileDesc->getSourceText();
-
- outs() << " at " << CurrentFile->getFilename() << ":" << LineNo;
- if (ColNo) outs() << ":" << ColNo;
- outs() << "\n";
- }
-
- if (printSourceLine(LineNo))
- outs() << "<could not load source file>\n";
- else {
- LineListedStart = LineNo-ListSize/2+1;
- if ((int)LineListedStart < 1) LineListedStart = 1;
- LineListedEnd = LineListedStart+1;
- }
-}
-
-/// eliminateRunInfo - We are about to run the program. Forget any state
-/// about how the program used to be stopped.
-void CLIDebugger::eliminateRunInfo() {
- delete TheRuntimeInfo;
- TheRuntimeInfo = 0;
-}
-
-/// programStoppedSuccessfully - This method updates internal data
-/// structures to reflect the fact that the program just executed a while,
-/// and has successfully stopped.
-void CLIDebugger::programStoppedSuccessfully() {
- assert(TheRuntimeInfo==0 && "Someone forgot to release the old RuntimeInfo!");
-
- TheRuntimeInfo = new RuntimeInfo(TheProgramInfo, Dbg.getRunningProcess());
-
- // FIXME: if there are any breakpoints at the current location, print them as
- // well.
-
- // Since the program as successfully stopped, print its location.
- void *CurrentFrame = getRuntimeInfo().getCurrentFrame().getFrameID();
- printProgramLocation(CurrentFrame != LastCurrentFrame);
- LastCurrentFrame = CurrentFrame;
-}
-
-
-
-/// getUnsignedIntegerOption - Get an unsigned integer number from the Val
-/// string. Check to make sure that the string contains an unsigned integer
-/// token, and if not, throw an exception. If isOnlyOption is set, also throw
-/// an exception if there is extra junk at the end of the string.
-static unsigned getUnsignedIntegerOption(const char *Msg, std::string &Val,
- bool isOnlyOption = true) {
- std::string Tok = getToken(Val);
- if (Tok.empty() || (isOnlyOption && !getToken(Val).empty()))
- throw std::string(Msg) + " expects an unsigned integer argument.";
-
- char *EndPtr;
- unsigned Result = strtoul(Tok.c_str(), &EndPtr, 0);
- if (EndPtr != Tok.c_str()+Tok.size())
- throw std::string(Msg) + " expects an unsigned integer argument.";
-
- return Result;
-}
-
-/// getOptionalUnsignedIntegerOption - This method is just like
-/// getUnsignedIntegerOption, but if the argument value is not specified, a
-/// default is returned instead of causing an error.
-static unsigned
-getOptionalUnsignedIntegerOption(const char *Msg, unsigned Default,
- std::string &Val, bool isOnlyOption = true) {
- // Check to see if the value was specified...
- std::string TokVal = getToken(Val);
- if (TokVal.empty()) return Default;
-
- // If it was specified, add it back to the value we are parsing...
- Val = TokVal+Val;
-
- // And parse normally.
- return getUnsignedIntegerOption(Msg, Val, isOnlyOption);
-}
-
-
-/// parseProgramOptions - This method parses the Options string and loads it
-/// as options to be passed to the program. This is used by the run command
-/// and by 'set args'.
-void CLIDebugger::parseProgramOptions(std::string &Options) {
- // FIXME: tokenizing by whitespace is clearly incorrect. Instead we should
- // honor quotes and other things that a shell would. Also in the future we
- // should support redirection of standard IO.
-
- std::vector<std::string> Arguments;
- for (std::string A = getToken(Options); !A.empty(); A = getToken(Options))
- Arguments.push_back(A);
- Dbg.setProgramArguments(Arguments.begin(), Arguments.end());
-}
-
-
-//===----------------------------------------------------------------------===//
-// Program startup and shutdown options
-//===----------------------------------------------------------------------===//
-
-
-/// file command - If the user specifies an option, search the PATH for the
-/// specified program/bitcode file and load it. If the user does not specify
-/// an option, unload the current program.
-void CLIDebugger::fileCommand(std::string &Options) {
- std::string Prog = getToken(Options);
- if (!getToken(Options).empty())
- throw "file command takes at most one argument.";
-
- // Check to make sure the user knows what they are doing
- if (Dbg.isProgramRunning() &&
- !askYesNo("A program is already loaded. Kill it?"))
- return;
-
- // Unload an existing program. This kills the program if necessary.
- eliminateRunInfo();
- delete TheProgramInfo;
- TheProgramInfo = 0;
- Dbg.unloadProgram();
- CurrentFile = 0;
-
- // If requested, start the new program.
- if (Prog.empty()) {
- outs() << "Unloaded program.\n";
- } else {
- outs() << "Loading program... ";
- outs().flush();
- Dbg.loadProgram(Prog, Context);
- assert(Dbg.isProgramLoaded() &&
- "loadProgram succeeded, but not program loaded!");
- TheProgramInfo = new ProgramInfo(Dbg.getProgram());
- outs() << "successfully loaded '" << Dbg.getProgramPath() << "'!\n";
- }
-}
-
-
-void CLIDebugger::createCommand(std::string &Options) {
- if (!getToken(Options).empty())
- throw "create command does not take any arguments.";
- if (!Dbg.isProgramLoaded()) throw "No program loaded.";
- if (Dbg.isProgramRunning() &&
- !askYesNo("The program is already running. Restart from the beginning?"))
- return;
-
- // Start the program running.
- startProgramRunning();
-
- // The program stopped!
- programStoppedSuccessfully();
-}
-
-void CLIDebugger::killCommand(std::string &Options) {
- if (!getToken(Options).empty())
- throw "kill command does not take any arguments.";
- if (!Dbg.isProgramRunning())
- throw "No program is currently being run.";
-
- if (askYesNo("Kill the program being debugged?"))
- Dbg.killProgram();
- eliminateRunInfo();
-}
-
-void CLIDebugger::quitCommand(std::string &Options) {
- if (!getToken(Options).empty())
- throw "quit command does not take any arguments.";
-
- if (Dbg.isProgramRunning() &&
- !askYesNo("The program is running. Exit anyway?"))
- return;
-
- // Throw exception to get out of the user-input loop.
- throw 0;
-}
-
-
-//===----------------------------------------------------------------------===//
-// Program execution commands
-//===----------------------------------------------------------------------===//
-
-void CLIDebugger::runCommand(std::string &Options) {
- if (!Dbg.isProgramLoaded()) throw "No program loaded.";
- if (Dbg.isProgramRunning() &&
- !askYesNo("The program is already running. Restart from the beginning?"))
- return;
-
- // Parse all of the options to the run command, which specify program
- // arguments to run with.
- parseProgramOptions(Options);
-
- eliminateRunInfo();
-
- // Start the program running.
- startProgramRunning();
-
- // Start the program running...
- Options = "";
- contCommand(Options);
-}
-
-void CLIDebugger::contCommand(std::string &Options) {
- if (!getToken(Options).empty()) throw "cont argument not supported yet.";
- if (!Dbg.isProgramRunning()) throw "Program is not running.";
-
- eliminateRunInfo();
-
- Dbg.contProgram();
-
- // The program stopped!
- programStoppedSuccessfully();
-}
-
-void CLIDebugger::stepCommand(std::string &Options) {
- if (!Dbg.isProgramRunning()) throw "Program is not running.";
-
- // Figure out how many times to step.
- unsigned Amount =
- getOptionalUnsignedIntegerOption("'step' command", 1, Options);
-
- eliminateRunInfo();
-
- // Step the specified number of times.
- for (; Amount; --Amount)
- Dbg.stepProgram();
-
- // The program stopped!
- programStoppedSuccessfully();
-}
-
-void CLIDebugger::nextCommand(std::string &Options) {
- if (!Dbg.isProgramRunning()) throw "Program is not running.";
- unsigned Amount =
- getOptionalUnsignedIntegerOption("'next' command", 1, Options);
-
- eliminateRunInfo();
-
- for (; Amount; --Amount)
- Dbg.nextProgram();
-
- // The program stopped!
- programStoppedSuccessfully();
-}
-
-void CLIDebugger::finishCommand(std::string &Options) {
- if (!getToken(Options).empty())
- throw "finish command does not take any arguments.";
- if (!Dbg.isProgramRunning()) throw "Program is not running.";
-
- // Figure out where we are exactly. If the user requests that we return from
- // a frame that is not the top frame, make sure we get it.
- void *CurrentFrame = getRuntimeInfo().getCurrentFrame().getFrameID();
-
- eliminateRunInfo();
-
- Dbg.finishProgram(CurrentFrame);
-
- // The program stopped!
- programStoppedSuccessfully();
-}
-
-//===----------------------------------------------------------------------===//
-// Stack frame commands
-//===----------------------------------------------------------------------===//
-
-void CLIDebugger::backtraceCommand(std::string &Options) {
- // Accepts "full", n, -n
- if (!getToken(Options).empty())
- throw "FIXME: bt command argument not implemented yet!";
-
- RuntimeInfo &RI = getRuntimeInfo();
- ProgramInfo &PI = getProgramInfo();
-
- try {
- for (unsigned i = 0; ; ++i) {
- StackFrame &SF = RI.getStackFrame(i);
- outs() << "#" << i;
- if (i == RI.getCurrentFrameIdx())
- outs() << " ->";
- outs() << "\t" << SF.getFrameID() << " in ";
- if (const GlobalVariable *G = SF.getFunctionDesc())
- outs() << PI.getFunction(G).getSymbolicName();
-
- unsigned LineNo, ColNo;
- const SourceFileInfo *SFI;
- SF.getSourceLocation(LineNo, ColNo, SFI);
- if (!SFI->getBaseName().empty()) {
- outs() << " at " << SFI->getBaseName();
- if (LineNo) {
- outs() << ":" << LineNo;
- if (ColNo)
- outs() << ":" << ColNo;
- }
- }
-
- // FIXME: when we support shared libraries, we should print ' from foo.so'
- // if the stack frame is from a different object than the current one.
-
- outs() << "\n";
- }
- } catch (...) {
- // Stop automatically when we run off the bottom of the stack.
- }
-}
-
-void CLIDebugger::upCommand(std::string &Options) {
- unsigned Num =
- getOptionalUnsignedIntegerOption("'up' command", 1, Options);
-
- RuntimeInfo &RI = getRuntimeInfo();
- unsigned CurFrame = RI.getCurrentFrameIdx();
-
- // Check to see if we go can up the specified number of frames.
- try {
- RI.getStackFrame(CurFrame+Num);
- } catch (...) {
- if (Num == 1)
- throw "Initial frame selected; you cannot go up.";
- else
- throw "Cannot go up " + utostr(Num) + " frames!";
- }
-
- RI.setCurrentFrameIdx(CurFrame+Num);
- printProgramLocation();
-}
-
-void CLIDebugger::downCommand(std::string &Options) {
- unsigned Num =
- getOptionalUnsignedIntegerOption("'down' command", 1, Options);
-
- RuntimeInfo &RI = getRuntimeInfo();
- unsigned CurFrame = RI.getCurrentFrameIdx();
-
- // Check to see if we can go up the specified number of frames.
- if (CurFrame < Num) {
- if (Num == 1)
- throw "Bottom (i.e., innermost) frame selected; you cannot go down.";
- else
- throw "Cannot go down " + utostr(Num) + " frames!";
- }
-
- RI.setCurrentFrameIdx(CurFrame-Num);
- printProgramLocation();
-}
-
-void CLIDebugger::frameCommand(std::string &Options) {
- RuntimeInfo &RI = getRuntimeInfo();
- unsigned CurFrame = RI.getCurrentFrameIdx();
-
- unsigned Num =
- getOptionalUnsignedIntegerOption("'frame' command", CurFrame, Options);
-
- // Check to see if we go to the specified frame.
- RI.getStackFrame(Num);
-
- RI.setCurrentFrameIdx(Num);
- printProgramLocation();
-}
-
-
-//===----------------------------------------------------------------------===//
-// Breakpoint related commands
-//===----------------------------------------------------------------------===//
-
-void CLIDebugger::breakCommand(std::string &Options) {
- // Figure out where the user wants a breakpoint.
- const SourceFile *File;
- unsigned LineNo;
-
- // Check to see if the user specified a line specifier.
- std::string Option = getToken(Options); // strip whitespace
- if (!Option.empty()) {
- Options = Option + Options; // reconstruct string
-
- // Parse the line specifier.
- parseLineSpec(Options, File, LineNo);
- } else {
- // Build a line specifier for the current stack frame.
- throw "FIXME: breaking at the current location is not implemented yet!";
- }
-
- if (!File) File = CurrentFile;
- if (File == 0)
- throw "Unknown file to place breakpoint!";
-
- errs() << "Break: " << File->getFilename() << ":" << LineNo << "\n";
-
- throw "breakpoints not implemented yet!";
-}
-
-//===----------------------------------------------------------------------===//
-// Miscellaneous commands
-//===----------------------------------------------------------------------===//
-
-void CLIDebugger::infoCommand(std::string &Options) {
- std::string What = getToken(Options);
-
- if (What.empty() || !getToken(Options).empty()){
- std::string infoStr("info");
- helpCommand(infoStr);
- return;
- }
-
- if (What == "frame") {
- } else if (What == "functions") {
- const std::map<const GlobalVariable*, SourceFunctionInfo*> &Functions
- = getProgramInfo().getSourceFunctions();
- outs() << "All defined functions:\n";
- // FIXME: GDB groups these by source file. We could do that I guess.
- for (std::map<const GlobalVariable*, SourceFunctionInfo*>::const_iterator
- I = Functions.begin(), E = Functions.end(); I != E; ++I) {
- outs() << I->second->getSymbolicName() << "\n";
- }
-
- } else if (What == "source") {
- if (CurrentFile == 0)
- throw "No current source file.";
-
- // Get the SourceFile information for the current file.
- const SourceFileInfo &SF =
- getProgramInfo().getSourceFile(CurrentFile->getDescriptor());
-
- outs() << "Current source file is: " << SF.getBaseName() << "\n"
- << "Compilation directory is: " << SF.getDirectory() << "\n";
- if (unsigned NL = CurrentFile->getNumLines())
- outs() << "Located in: " << CurrentFile->getFilename() << "\n"
- << "Contains " << NL << " lines\n";
- else
- outs() << "Could not find source file.\n";
- outs() << "Source language is "
- << SF.getLanguage().getSourceLanguageName() << "\n";
-
- } else if (What == "sources") {
- const std::map<const GlobalVariable*, SourceFileInfo*> &SourceFiles =
- getProgramInfo().getSourceFiles();
- outs() << "Source files for the program:\n";
- for (std::map<const GlobalVariable*, SourceFileInfo*>::const_iterator I =
- SourceFiles.begin(), E = SourceFiles.end(); I != E;) {
- outs() << I->second->getDirectory() << "/"
- << I->second->getBaseName();
- ++I;
- if (I != E) outs() << ", ";
- }
- outs() << "\n";
- } else if (What == "target") {
- outs() << Dbg.getRunningProcess().getStatus();
- } else {
- // See if this is something handled by the current language.
- if (getCurrentLanguage().printInfo(What))
- return;
-
- throw "Unknown info command '" + What + "'. Try 'help info'.";
- }
-}
-
-/// parseLineSpec - Parses a line specifier, for use by the 'list' command.
-/// If SourceFile is returned as a void pointer, then it was not specified.
-/// If the line specifier is invalid, an exception is thrown.
-void CLIDebugger::parseLineSpec(std::string &LineSpec,
- const SourceFile *&SourceFile,
- unsigned &LineNo) {
- SourceFile = 0;
- LineNo = 0;
-
- // First, check to see if we have a : separator.
- std::string FirstPart = getToken(LineSpec, ":");
- std::string SecondPart = getToken(LineSpec, ":");
- if (!getToken(LineSpec).empty()) throw "Malformed line specification!";
-
- // If there is no second part, we must have either "function", "number",
- // "+offset", or "-offset".
- if (SecondPart.empty()) {
- if (FirstPart.empty()) throw "Malformed line specification!";
- if (FirstPart[0] == '+') {
- FirstPart.erase(FirstPart.begin(), FirstPart.begin()+1);
- // For +n, return LineListedEnd+n
- LineNo = LineListedEnd +
- getUnsignedIntegerOption("Line specifier '+'", FirstPart);
-
- } else if (FirstPart[0] == '-') {
- FirstPart.erase(FirstPart.begin(), FirstPart.begin()+1);
- // For -n, return LineListedEnd-n
- LineNo = LineListedEnd -
- getUnsignedIntegerOption("Line specifier '-'", FirstPart);
- if ((int)LineNo < 1) LineNo = 1;
- } else if (FirstPart[0] == '*') {
- throw "Address expressions not supported as source locations!";
- } else {
- // Ok, check to see if this is just a line number.
- std::string Saved = FirstPart;
- try {
- LineNo = getUnsignedIntegerOption("", Saved);
- } catch (...) {
- // Ok, it's not a valid line number. It must be a source-language
- // entity name.
- std::string Name = getToken(FirstPart);
- if (!getToken(FirstPart).empty())
- throw "Extra junk in line specifier after '" + Name + "'.";
- SourceFunctionInfo *SFI =
- getCurrentLanguage().lookupFunction(Name, getProgramInfo(),
- TheRuntimeInfo);
- if (SFI == 0)
- throw "Unknown identifier '" + Name + "'.";
-
- unsigned L, C;
- SFI->getSourceLocation(L, C);
- if (L == 0) throw "Could not locate '" + Name + "'!";
- LineNo = L;
- SourceFile = &SFI->getSourceFile().getSourceText();
- return;
- }
- }
-
- } else {
- // Ok, this must be a filename qualified line number or function name.
- // First, figure out the source filename.
- std::string SourceFilename = getToken(FirstPart);
- if (!getToken(FirstPart).empty())
- throw "Invalid filename qualified source location!";
-
- // Next, check to see if this is just a line number.
- std::string Saved = SecondPart;
- try {
- LineNo = getUnsignedIntegerOption("", Saved);
- } catch (...) {
- // Ok, it's not a valid line number. It must be a function name.
- throw "FIXME: Filename qualified function names are not support "
- "as line specifiers yet!";
- }
-
- // Ok, we got the line number. Now check out the source file name to make
- // sure it's all good. If it is, return it. If not, throw exception.
- SourceFile =&getProgramInfo().getSourceFile(SourceFilename).getSourceText();
- }
-}
-
-void CLIDebugger::listCommand(std::string &Options) {
- if (!Dbg.isProgramLoaded())
- throw "No program is loaded. Use the 'file' command.";
-
- // Handle "list foo," correctly, by returning " " as the second token
- Options += " ";
-
- std::string FirstLineSpec = getToken(Options, ",");
- std::string SecondLineSpec = getToken(Options, ",");
- if (!getToken(Options, ",").empty())
- throw "list command only expects two source location specifiers!";
-
- // StartLine, EndLine - The starting and ending line numbers to print.
- unsigned StartLine = 0, EndLine = 0;
-
- if (SecondLineSpec.empty()) { // No second line specifier provided?
- // Handle special forms like "", "+", "-", etc.
- std::string TmpSpec = FirstLineSpec;
- std::string Tok = getToken(TmpSpec);
- if (getToken(TmpSpec).empty() && (Tok == "" || Tok == "+" || Tok == "-")) {
- if (Tok == "+" || Tok == "") {
- StartLine = LineListedEnd;
- EndLine = StartLine + ListSize;
- } else {
- assert(Tok == "-");
- StartLine = LineListedStart-ListSize;
- EndLine = LineListedStart;
- if ((int)StartLine <= 0) StartLine = 1;
- }
- } else {
- // Must be a normal line specifier.
- const SourceFile *File;
- unsigned LineNo;
- parseLineSpec(FirstLineSpec, File, LineNo);
-
- // If the user only specified one file specifier, we should display
- // ListSize lines centered at the specified line.
- if (File != 0) CurrentFile = File;
- StartLine = LineNo - (ListSize+1)/2;
- if ((int)StartLine <= 0) StartLine = 1;
- EndLine = StartLine + ListSize;
- }
-
- } else {
- // Parse two line specifiers...
- const SourceFile *StartFile, *EndFile;
- unsigned StartLineNo, EndLineNo;
- parseLineSpec(FirstLineSpec, StartFile, StartLineNo);
- unsigned SavedLLE = LineListedEnd;
- LineListedEnd = StartLineNo;
- try {
- parseLineSpec(SecondLineSpec, EndFile, EndLineNo);
- } catch (...) {
- LineListedEnd = SavedLLE;
- throw;
- }
-
- // Inherit file specified by the first line spec if there was one.
- if (EndFile == 0) EndFile = StartFile;
-
- if (StartFile != EndFile)
- throw "Start and end line specifiers are in different files!";
- CurrentFile = StartFile;
- StartLine = StartLineNo;
- EndLine = EndLineNo+1;
- }
-
- assert((int)StartLine > 0 && (int)EndLine > 0 && StartLine <= EndLine &&
- "Error reading line specifiers!");
-
- // If there was no current file, and the user didn't specify one to list, we
- // have an error.
- if (CurrentFile == 0)
- throw "There is no current file to list.";
-
- // Remember for next time.
- LineListedStart = StartLine;
- LineListedEnd = StartLine;
-
- for (unsigned LineNo = StartLine; LineNo != EndLine; ++LineNo) {
- // Print the source line, unless it is invalid.
- if (printSourceLine(LineNo))
- break;
- LineListedEnd = LineNo+1;
- }
-
- // If we didn't print any lines, find out why.
- if (LineListedEnd == StartLine) {
- // See if we can read line #0 from the file, if not, we couldn't load the
- // file.
- const char *LineStart, *LineEnd;
- CurrentFile->getSourceLine(0, LineStart, LineEnd);
- if (LineStart == 0)
- throw "Could not load source file '" + CurrentFile->getFilename() + "'!";
- else
- outs() << "<end of file>\n";
- }
-}
-
-void CLIDebugger::setCommand(std::string &Options) {
- std::string What = getToken(Options);
-
- if (What.empty())
- throw "set command expects at least two arguments.";
- if (What == "args") {
- parseProgramOptions(Options);
- } else if (What == "language") {
- std::string Lang = getToken(Options);
- if (!getToken(Options).empty())
- throw "set language expects one argument at most.";
- if (Lang == "") {
- outs() << "The currently understood settings are:\n\n"
- << "local or auto Automatic setting based on source file\n"
- << "c Use the C language\n"
- << "c++ Use the C++ language\n"
- << "unknown Use when source language is not supported\n";
- } else if (Lang == "local" || Lang == "auto") {
- CurrentLanguage = 0;
- } else if (Lang == "c") {
- CurrentLanguage = &SourceLanguage::getCFamilyInstance();
- } else if (Lang == "c++") {
- CurrentLanguage = &SourceLanguage::getCPlusPlusInstance();
- } else if (Lang == "unknown") {
- CurrentLanguage = &SourceLanguage::getUnknownLanguageInstance();
- } else {
- throw "Unknown language '" + Lang + "'.";
- }
-
- } else if (What == "listsize") {
- ListSize = getUnsignedIntegerOption("'set prompt' command", Options);
- } else if (What == "prompt") {
- // Include any trailing whitespace or other tokens, but not leading
- // whitespace.
- Prompt = getToken(Options); // Strip leading whitespace
- Prompt += Options; // Keep trailing whitespace or other stuff
- } else {
- // FIXME: Try to parse this as a source-language program expression.
- throw "Don't know how to set '" + What + "'!";
- }
-}
-
-void CLIDebugger::showCommand(std::string &Options) {
- std::string What = getToken(Options);
-
- if (What.empty() || !getToken(Options).empty())
- throw "show command expects one argument.";
-
- if (What == "args") {
- outs() << "Argument list to give program when started is \"";
- // FIXME: This doesn't print stuff correctly if the arguments have spaces in
- // them, but currently the only way to get that is to use the --args command
- // line argument. This should really handle escaping all hard characters as
- // needed.
- for (unsigned i = 0, e = Dbg.getNumProgramArguments(); i != e; ++i)
- outs() << (i ? " " : "") << Dbg.getProgramArgument(i);
- outs() << "\"\n";
-
- } else if (What == "language") {
- outs() << "The current source language is '";
- if (CurrentLanguage)
- outs() << CurrentLanguage->getSourceLanguageName();
- else
- outs() << "auto; currently "
- << getCurrentLanguage().getSourceLanguageName();
- outs() << "'.\n";
- } else if (What == "listsize") {
- outs() << "Number of source lines llvm-db will list by default is "
- << ListSize << ".\n";
- } else if (What == "prompt") {
- outs() << "llvm-db's prompt is \"" << Prompt << "\".\n";
- } else {
- throw "Unknown show command '" + What + "'. Try 'help show'.";
- }
-}
-
-void CLIDebugger::helpCommand(std::string &Options) {
- // Print out all of the commands in the CommandTable
- std::string Command = getToken(Options);
- if (!getToken(Options).empty())
- throw "help command takes at most one argument.";
-
- // Getting detailed help on a particular command?
- if (!Command.empty()) {
- CLICommand *C = getCommand(Command);
- outs() << C->getShortHelp() << ".\n" << C->getLongHelp();
-
- // If there are aliases for this option, print them out.
- const std::vector<std::string> &Names = C->getOptionNames();
- if (Names.size() > 1) {
- outs() << "The '" << Command << "' command is known as: '"
- << Names[0] << "'";
- for (unsigned i = 1, e = Names.size(); i != e; ++i)
- outs() << ", '" << Names[i] << "'";
- outs() << "\n";
- }
-
- } else {
- unsigned MaxSize = 0;
- for (std::map<std::string, CLICommand*>::iterator I = CommandTable.begin(),
- E = CommandTable.end(); I != E; ++I)
- if (I->first.size() > MaxSize &&
- I->first == I->second->getPrimaryOptionName())
- MaxSize = I->first.size();
-
- // Loop over all of the commands, printing the short help version
- for (std::map<std::string, CLICommand*>::iterator I = CommandTable.begin(),
- E = CommandTable.end(); I != E; ++I)
- if (I->first == I->second->getPrimaryOptionName())
- outs() << I->first << std::string(MaxSize - I->first.size(), ' ')
- << " - " << I->second->getShortHelp() << "\n";
- }
-}
+++ /dev/null
-##===- tools/llvm-db/Makefile ------------------------------*- Makefile -*-===##
-#
-# The LLVM Compiler Infrastructure
-#
-# This file is distributed under the University of Illinois Open Source
-# License. See LICENSE.TXT for details.
-#
-##===----------------------------------------------------------------------===##
-
-LEVEL = ../..
-TOOLNAME = llvm-db
-LINK_COMPONENTS := debugger
-REQUIRES_EH := 1
-
-include $(LEVEL)/Makefile.common
+++ /dev/null
-//===- llvm-db.cpp - LLVM Debugger ----------------------------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This utility implements a simple text-mode front-end to the LLVM debugger
-// library.
-//
-//===----------------------------------------------------------------------===//
-
-#include "CLIDebugger.h"
-#include "llvm/LLVMContext.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/System/Signals.h"
-using namespace llvm;
-
-namespace {
- // Command line options for specifying the program to debug and options to use
- cl::opt<std::string>
- InputFile(cl::desc("<program>"), cl::Positional, cl::init(""));
-
- cl::list<std::string>
- InputArgs("args", cl::Positional, cl::desc("<program and arguments>"),
- cl::ZeroOrMore);
-
- // Command line options to control various directory related stuff
- cl::list<std::string>
- SourceDirectories("directory", cl::value_desc("directory"),
- cl::desc("Add directory to the search for source files"));
- cl::alias SDA("d", cl::desc("Alias for --directory"),
- cl::aliasopt(SourceDirectories));
-
- cl::opt<std::string>
- WorkingDirectory("cd", cl::desc("Use directory as current working directory"),
- cl::value_desc("directory"));
-
- // Command line options specific to the llvm-db debugger driver
- cl::opt<bool> Quiet("quiet", cl::desc("Do not print introductory messages"));
- cl::alias QA1("silent", cl::desc("Alias for -quiet"), cl::aliasopt(Quiet));
- cl::alias QA2("q", cl::desc("Alias for -quiet"), cl::aliasopt(Quiet));
-}
-
-//===----------------------------------------------------------------------===//
-// main Driver function
-//
-int main(int argc, char **argv, char * const *envp) {
- // Print a stack trace if we signal out.
- sys::PrintStackTraceOnErrorSignal();
- PrettyStackTraceProgram X(argc, argv);
-
- LLVMContext &Context = getGlobalContext();
- llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
- outs() << "NOTE: llvm-db is known useless right now.\n";
- try {
- cl::ParseCommandLineOptions(argc, argv,
- "llvm source-level debugger\n");
-
- if (!Quiet)
- outs() << "llvm-db: The LLVM source-level debugger\n";
-
- // Merge Inputfile and InputArgs into the InputArgs list...
- if (!InputFile.empty() && InputArgs.empty())
- InputArgs.push_back(InputFile);
-
- // Create the CLI debugger...
- CLIDebugger D(Context);
-
- // Initialize the debugger with the command line options we read...
- Debugger &Dbg = D.getDebugger();
-
- // Initialize the debugger environment.
- Dbg.initializeEnvironment(envp);
- Dbg.setWorkingDirectory(WorkingDirectory);
- for (unsigned i = 0, e = SourceDirectories.size(); i != e; ++i)
- D.addSourceDirectory(SourceDirectories[i]);
-
- if (!InputArgs.empty()) {
- try {
- D.fileCommand(InputArgs[0]);
- } catch (const std::string &Error) {
- outs() << "Error: " << Error << "\n";
- }
-
- Dbg.setProgramArguments(InputArgs.begin()+1, InputArgs.end());
- }
-
- // Now that we have initialized the debugger, run it.
- return D.run();
- } catch (const std::string& msg) {
- errs() << argv[0] << ": " << msg << "\n";
- } catch (...) {
- errs() << argv[0] << ": Unexpected unknown exception occurred.\n";
- }
- return 1;
-}
projects / oota-llvm.git / commitdiff