Initial language runtime support for RenderScript.

Plan is to have this initialized on a per-process basis somewhat the same as the ObjC library on module loading, but this commit is simply the foundation work and will be incrementally built upon to add that detection functionality.

Differential Revision: http://reviews.llvm.org/D8896

llvm-svn: 234503

10 files changed, 510 insertions, 0 deletions

diff --git a/lldb/cmake/LLDBDependencies.cmake b/lldb/cmake/LLDBDependencies.cmake
index 4c74c3d14bd..580ec006b4b 100644
--- a/lldb/cmake/LLDBDependencies.cmake
+++ b/lldb/cmake/LLDBDependencies.cmake
@@ -41,6 +41,7 @@ set( LLDB_USED_LIBS
   lldbPluginUnwindAssemblyInstEmulation
   lldbPluginUnwindAssemblyX86
   lldbPluginAppleObjCRuntime
+  lldbPluginRenderScriptRuntime
   lldbPluginCXXItaniumABI
   lldbPluginABIMacOSX_arm
   lldbPluginABIMacOSX_arm64
diff --git a/lldb/lib/Makefile b/lldb/lib/Makefile
index 161dbc89895..4afeb5db25b 100644
--- a/lldb/lib/Makefile
+++ b/lldb/lib/Makefile
@@ -50,6 +50,7 @@ USEDLIBS = lldbAPI.a \
 	lldbPluginInstrumentationRuntimeAddressSanitizer.a \
 	lldbPluginLanguageRuntimeCPlusPlusItaniumABI.a \
 	lldbPluginLanguageRuntimeObjCAppleObjCRuntime.a \
+	lldbPluginLanguageRuntimeRenderScriptRuntime.a \
 	lldbPluginMemoryHistoryASan.a \
 	lldbPluginObjectContainerBSDArchive.a \
 	lldbPluginObjectContainerUniversalMachO.a \
diff --git a/lldb/source/API/SystemInitializerFull.cpp b/lldb/source/API/SystemInitializerFull.cpp
index dc4cd03f055..9b941965800 100644
--- a/lldb/source/API/SystemInitializerFull.cpp
+++ b/lldb/source/API/SystemInitializerFull.cpp
@@ -30,6 +30,7 @@
 #include "Plugins/LanguageRuntime/CPlusPlus/ItaniumABI/ItaniumABILanguageRuntime.h"
 #include "Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV1.h"
 #include "Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.h"
+#include "Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.h"
 #include "Plugins/MemoryHistory/asan/MemoryHistoryASan.h"
 #include "Plugins/Platform/gdb-server/PlatformRemoteGDBServer.h"
 #include "Plugins/Process/elf-core/ProcessElfCore.h"
@@ -258,6 +259,7 @@ SystemInitializerFull::Initialize()
     AppleObjCRuntimeV2::Initialize();
     AppleObjCRuntimeV1::Initialize();
     SystemRuntimeMacOSX::Initialize();
+    RenderScriptRuntime::Initialize();
 
 #if defined(__linux__)
     //----------------------------------------------------------------------
@@ -361,6 +363,7 @@ SystemInitializerFull::Terminate()
     AppleObjCRuntimeV2::Terminate();
     AppleObjCRuntimeV1::Terminate();
     SystemRuntimeMacOSX::Terminate();
+    RenderScriptRuntime::Terminate();
 
 #if defined(__APPLE__)
     ProcessMachCore::Terminate();
diff --git a/lldb/source/Plugins/LanguageRuntime/CMakeLists.txt b/lldb/source/Plugins/LanguageRuntime/CMakeLists.txt
index 034ae1545ae..c62791445a9 100644
--- a/lldb/source/Plugins/LanguageRuntime/CMakeLists.txt
+++ b/lldb/source/Plugins/LanguageRuntime/CMakeLists.txt
@@ -1,2 +1,3 @@
 add_subdirectory(CPlusPlus)
 add_subdirectory(ObjC)
+add_subdirectory(RenderScript)
diff --git a/lldb/source/Plugins/LanguageRuntime/RenderScript/CMakeLists.txt b/lldb/source/Plugins/LanguageRuntime/RenderScript/CMakeLists.txt
new file mode 100644
index 00000000000..d944d76c495
--- /dev/null
+++ b/lldb/source/Plugins/LanguageRuntime/RenderScript/CMakeLists.txt
@@ -0,0 +1 @@
+add_subdirectory(RenderScriptRuntime)
diff --git a/lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/CMakeLists.txt b/lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/CMakeLists.txt
new file mode 100644
index 00000000000..ab36d42239d
--- /dev/null
+++ b/lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/CMakeLists.txt
@@ -0,0 +1,5 @@
+set(LLVM_NO_RTTI 1)
+
+add_lldb_library(lldbPluginRenderScriptRuntime
+  RenderScriptRuntime.cpp
+  )
diff --git a/lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/Makefile b/lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/Makefile
new file mode 100644
index 00000000000..6c9769b9c3e
--- /dev/null
+++ b/lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/Makefile
@@ -0,0 +1,14 @@
+##===- Source/Plugins/LangRuntime/RenderScript/RenderScriptRuntime/Makefile ----*- Makefile -*-===##
+# 
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+# 
+##===----------------------------------------------------------------------===##
+
+LLDB_LEVEL := ../../../../..
+LIBRARYNAME := lldbPluginLanguageRuntimeRenderScriptRuntime
+BUILD_ARCHIVE = 1
+
+include $(LLDB_LEVEL)/Makefile
diff --git a/lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp b/lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp
new file mode 100644
index 00000000000..f35051af5b3
--- /dev/null
+++ b/lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp
@@ -0,0 +1,356 @@
+//===-- RenderScriptRuntime.cpp ---------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "RenderScriptRuntime.h"
+
+#include "lldb/Core/ConstString.h"
+#include "lldb/Core/Debugger.h"
+#include "lldb/Core/Error.h"
+#include "lldb/Core/Log.h"
+#include "lldb/Core/PluginManager.h"
+#include "lldb/Symbol/Symbol.h"
+#include "lldb/Target/Process.h"
+#include "lldb/Target/Target.h"
+#include "lldb/Interpreter/Args.h"
+#include "lldb/Interpreter/Options.h"
+#include "lldb/Interpreter/CommandInterpreter.h"
+#include "lldb/Interpreter/CommandReturnObject.h"
+#include "lldb/Interpreter/CommandObjectMultiword.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+//------------------------------------------------------------------
+// Static Functions
+//------------------------------------------------------------------
+LanguageRuntime *
+RenderScriptRuntime::CreateInstance(Process *process, lldb::LanguageType language)
+{
+
+    if (language == eLanguageTypeExtRenderScript)
+        return new RenderScriptRuntime(process);
+    else
+        return NULL;
+}
+
+void
+RenderScriptRuntime::Initialize()
+{
+    PluginManager::RegisterPlugin(GetPluginNameStatic(), "RenderScript language support", CreateInstance);
+}
+
+void
+RenderScriptRuntime::Terminate()
+{
+    PluginManager::UnregisterPlugin(CreateInstance);
+}
+
+lldb_private::ConstString
+RenderScriptRuntime::GetPluginNameStatic()
+{
+    static ConstString g_name("renderscript");
+    return g_name;
+}
+
+//------------------------------------------------------------------
+// PluginInterface protocol
+//------------------------------------------------------------------
+lldb_private::ConstString
+RenderScriptRuntime::GetPluginName()
+{
+    return GetPluginNameStatic();
+}
+
+uint32_t
+RenderScriptRuntime::GetPluginVersion()
+{
+    return 1;
+}
+
+bool
+RenderScriptRuntime::IsVTableName(const char *name)
+{
+    return false;
+}
+
+bool
+RenderScriptRuntime::GetDynamicTypeAndAddress(ValueObject &in_value, lldb::DynamicValueType use_dynamic,
+                                              TypeAndOrName &class_type_or_name, Address &address)
+{
+    return false;
+}
+
+bool
+RenderScriptRuntime::CouldHaveDynamicValue(ValueObject &in_value)
+{
+    return false;
+}
+
+lldb::BreakpointResolverSP
+RenderScriptRuntime::CreateExceptionResolver(Breakpoint *bkpt, bool catch_bp, bool throw_bp)
+{
+    BreakpointResolverSP resolver_sp;
+    return resolver_sp;
+}
+
+bool
+RenderScriptRuntime::LoadModule(const lldb::ModuleSP &module_sp)
+{
+    if (module_sp)
+    {
+        for (const auto &rs_module : m_rsmodules)
+        {
+            if (rs_module.m_module == module_sp)
+                return false;
+        }
+        RSModuleDescriptor module_desc(module_sp);
+        if (module_desc.ParseRSInfo())
+        {
+            m_rsmodules.push_back(module_desc);
+            return true;
+        }
+    }
+    return false;
+}
+
+// The maximum line length of an .rs.info packet
+#define MAXLINE 500
+
+// The .rs.info symbol in renderscript modules contains a string which needs to be parsed.
+// The string is basic and is parsed on a line by line basis.
+bool
+RSModuleDescriptor::ParseRSInfo()
+{
+    const Symbol *info_sym = m_module->FindFirstSymbolWithNameAndType(ConstString(".rs.info"), eSymbolTypeData);
+    if (info_sym)
+    {
+        const addr_t addr = info_sym->GetAddress().GetFileAddress();
+        const addr_t size = info_sym->GetByteSize();
+        const FileSpec fs = m_module->GetFileSpec();
+
+        DataBufferSP buffer = fs.ReadFileContents(addr, size);
+
+        if (!buffer)
+            return false;
+
+        std::string info((const char *)buffer->GetBytes());
+
+        std::vector<std::string> info_lines;
+        size_t lpos = info.find_first_of("\n");
+        while (lpos != std::string::npos)
+        {
+            info_lines.push_back(info.substr(0, lpos));
+            info = info.substr(lpos + 1);
+            lpos = info.find_first_of("\n");
+        }
+        size_t offset = 0;
+        while (offset < info_lines.size())
+        {
+            std::string line = info_lines[offset];
+            // Parse directives
+            uint32_t numDefns = 0;
+            if (sscanf(line.c_str(), "exportVarCount: %u", &numDefns) == 1)
+            {
+                while (numDefns--)
+                    m_globals.push_back(RSGlobalDescriptor(*this, info_lines[++offset].c_str()));
+            }
+            else if (sscanf(line.c_str(), "exportFuncCount: %u", &numDefns) == 1)
+            {
+            }
+            else if (sscanf(line.c_str(), "exportForEachCount: %u", &numDefns) == 1)
+            {
+                char name[MAXLINE];
+                while (numDefns--)
+                {
+                    uint32_t slot = 0;
+                    name[0] = '\0';
+                    if (sscanf(info_lines[++offset].c_str(), "%u - %s", &slot, &name[0]) == 2)
+                    {
+                        m_kernels.push_back(RSKernelDescriptor(*this, name, slot));
+                    }
+                }
+            }
+            else if (sscanf(line.c_str(), "objectSlotCount: %u", &numDefns) == 1)
+            {
+            }
+
+            offset++;
+        }
+        return m_kernels.size() > 0;
+    }
+    return false;
+}
+
+bool
+RenderScriptRuntime::ProbeModules(const ModuleList module_list)
+{
+    bool rs_found = false;
+    size_t num_modules = module_list.GetSize();
+    for (size_t i = 0; i < num_modules; i++)
+    {
+        auto module = module_list.GetModuleAtIndex(i);
+        rs_found |= LoadModule(module);
+    }
+    return rs_found;
+}
+
+void
+RenderScriptRuntime::DumpModules(Stream &strm) const
+{
+    strm.Printf("RenderScript Modules:");
+    strm.EOL();
+    strm.IndentMore();
+    for (const auto &module : m_rsmodules)
+    {
+        module.Dump(strm);
+    }
+    strm.IndentLess();
+}
+
+void
+RSModuleDescriptor::Dump(Stream &strm) const
+{
+    strm.Indent();
+    m_module->GetFileSpec().Dump(&strm);
+    strm.EOL();
+    strm.IndentMore();
+    strm.Indent();
+    strm.Printf("Globals: %u", m_globals.size());
+    strm.EOL();
+    strm.IndentMore();
+    for (const auto &global : m_globals)
+    {
+        global.Dump(strm);
+    }
+    strm.IndentLess();
+    strm.Indent();
+    strm.Printf("Kernels: %u", m_kernels.size());
+    strm.EOL();
+    strm.IndentMore();
+    for (const auto &kernel : m_kernels)
+    {
+        kernel.Dump(strm);
+    }
+    strm.IndentLess(4);
+}
+
+void
+RSGlobalDescriptor::Dump(Stream &strm) const
+{
+    strm.Indent(m_name.AsCString());
+    strm.EOL();
+}
+
+void
+RSKernelDescriptor::Dump(Stream &strm) const
+{
+    strm.Indent(m_name.AsCString());
+    strm.EOL();
+}
+
+class CommandObjectRenderScriptRuntimeModuleProbe : public CommandObjectParsed
+{
+  private:
+  public:
+    CommandObjectRenderScriptRuntimeModuleProbe(CommandInterpreter &interpreter)
+        : CommandObjectParsed(interpreter, "renderscript module probe",
+                              "Initiates a Probe of all loaded modules for kernels and other renderscript objects.",
+                              "renderscript module probe",
+                              eFlagRequiresTarget | eFlagRequiresProcess | eFlagProcessMustBeLaunched)
+    {
+    }
+
+    ~CommandObjectRenderScriptRuntimeModuleProbe() {}
+
+    bool
+    DoExecute(Args &command, CommandReturnObject &result)
+    {
+        const size_t argc = command.GetArgumentCount();
+        if (argc == 0)
+        {
+            Target *target = m_exe_ctx.GetTargetPtr();
+            RenderScriptRuntime *runtime =
+                (RenderScriptRuntime *)m_exe_ctx.GetProcessPtr()->GetLanguageRuntime(eLanguageTypeExtRenderScript);
+            auto module_list = target->GetImages();
+            bool new_rs_details = runtime->ProbeModules(module_list);
+            if (new_rs_details)
+            {
+                result.AppendMessage("New renderscript modules added to runtime model.");
+            }
+            result.SetStatus(eReturnStatusSuccessFinishResult);
+            return true;
+        }
+
+        result.AppendErrorWithFormat("'%s' takes no arguments", m_cmd_name.c_str());
+        result.SetStatus(eReturnStatusFailed);
+        return false;
+    }
+};
+
+class CommandObjectRenderScriptRuntimeModuleDump : public CommandObjectParsed
+{
+  private:
+  public:
+    CommandObjectRenderScriptRuntimeModuleDump(CommandInterpreter &interpreter)
+        : CommandObjectParsed(interpreter, "renderscript module dump",
+                              "Dumps renderscript specific information for all modules.", "renderscript module dump",
+                              eFlagRequiresProcess | eFlagProcessMustBeLaunched)
+    {
+    }
+
+    ~CommandObjectRenderScriptRuntimeModuleDump() {}
+
+    bool
+    DoExecute(Args &command, CommandReturnObject &result)
+    {
+        RenderScriptRuntime *runtime =
+            (RenderScriptRuntime *)m_exe_ctx.GetProcessPtr()->GetLanguageRuntime(eLanguageTypeExtRenderScript);
+        runtime->DumpModules(result.GetOutputStream());
+        result.SetStatus(eReturnStatusSuccessFinishResult);
+        return true;
+    }
+};
+
+class CommandObjectRenderScriptRuntimeModule : public CommandObjectMultiword
+{
+  private:
+  public:
+    CommandObjectRenderScriptRuntimeModule(CommandInterpreter &interpreter)
+        : CommandObjectMultiword(interpreter, "renderscript module", "Commands that deal with renderscript modules.",
+                                 NULL)
+    {
+        LoadSubCommand("probe", CommandObjectSP(new CommandObjectRenderScriptRuntimeModuleProbe(interpreter)));
+        LoadSubCommand("dump", CommandObjectSP(new CommandObjectRenderScriptRuntimeModuleDump(interpreter)));
+    }
+
+    ~CommandObjectRenderScriptRuntimeModule() {}
+};
+
+class CommandObjectRenderScriptRuntime : public CommandObjectMultiword
+{
+  public:
+    CommandObjectRenderScriptRuntime(CommandInterpreter &interpreter)
+        : CommandObjectMultiword(interpreter, "renderscript", "A set of commands for operating on renderscript.",
+                                 "renderscript <subcommand> [<subcommand-options>]")
+    {
+        LoadSubCommand("module", CommandObjectSP(new CommandObjectRenderScriptRuntimeModule(interpreter)));
+    }
+
+    ~CommandObjectRenderScriptRuntime() {}
+};
+RenderScriptRuntime::RenderScriptRuntime(Process *process)
+    : lldb_private::CPPLanguageRuntime(process)
+{
+    if (process)
+    {
+        CommandInterpreter &interpreter = process->GetTarget().GetDebugger().GetCommandInterpreter();
+        interpreter.AddCommand("renderscript", CommandObjectSP(new CommandObjectRenderScriptRuntime(interpreter)),
+                               true);
+    }
+}
diff --git a/lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.h b/lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.h
new file mode 100644
index 00000000000..111f0e4968d
--- /dev/null
+++ b/lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.h
@@ -0,0 +1,127 @@
+//===-- RenderScriptRuntime.h -----------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_RenderScriptRuntime_h_
+#define liblldb_RenderScriptRuntime_h_
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+#include "lldb/lldb-private.h"
+#include "lldb/Target/LanguageRuntime.h"
+#include "lldb/Target/CPPLanguageRuntime.h"
+#include "lldb/Core/Module.h"
+
+namespace lldb_private
+{
+
+typedef uint32_t RSSlot;
+class RSModuleDescriptor;
+
+struct RSKernelDescriptor
+{
+  public:
+    RSKernelDescriptor(const RSModuleDescriptor &module, const char *name, uint32_t slot)
+        : m_module(module)
+        , m_name(name)
+        , m_slot(slot)
+    {
+    }
+
+    void Dump(Stream &strm) const;
+
+    const RSModuleDescriptor &m_module;
+    ConstString m_name;
+    RSSlot m_slot;
+};
+
+struct RSGlobalDescriptor
+{
+  public:
+    RSGlobalDescriptor(const RSModuleDescriptor &module, const char *name)
+        : m_module(module)
+        , m_name(name)
+    {
+    }
+
+    void Dump(Stream &strm) const;
+
+    const RSModuleDescriptor &m_module;
+    ConstString m_name;
+    RSSlot m_slot;
+};
+
+class RSModuleDescriptor
+{
+  public:
+    RSModuleDescriptor(const lldb::ModuleSP &module)
+        : m_module(module)
+    {
+    }
+
+    ~RSModuleDescriptor() {}
+
+    bool ParseRSInfo();
+
+    void Dump(Stream &strm) const;
+
+    const lldb::ModuleSP m_module;
+    std::vector<RSKernelDescriptor> m_kernels;
+    std::vector<RSGlobalDescriptor> m_globals;
+};
+
+class RenderScriptRuntime : public lldb_private::CPPLanguageRuntime
+{
+  public:
+    ~RenderScriptRuntime() {}
+
+    //------------------------------------------------------------------
+    // Static Functions
+    //------------------------------------------------------------------
+    static void Initialize();
+
+    static void Terminate();
+
+    static lldb_private::LanguageRuntime *CreateInstance(Process *process, lldb::LanguageType language);
+
+    static lldb_private::ConstString GetPluginNameStatic();
+
+    //------------------------------------------------------------------
+    // PluginInterface protocol
+    //------------------------------------------------------------------
+    virtual lldb_private::ConstString GetPluginName();
+
+    virtual uint32_t GetPluginVersion();
+
+    virtual bool IsVTableName(const char *name);
+
+    virtual bool GetDynamicTypeAndAddress(ValueObject &in_value, lldb::DynamicValueType use_dynamic,
+                                          TypeAndOrName &class_type_or_name, Address &address);
+
+    virtual bool CouldHaveDynamicValue(ValueObject &in_value);
+
+    virtual lldb::BreakpointResolverSP CreateExceptionResolver(Breakpoint *bkpt, bool catch_bp, bool throw_bp);
+
+    bool LoadModule(const lldb::ModuleSP &module_sp);
+
+    bool ProbeModules(const ModuleList module_list);
+
+    void DumpModules(Stream &strm) const;
+
+  protected:
+    std::vector<RSModuleDescriptor> m_rsmodules;
+
+  private:
+    RenderScriptRuntime(Process *process); // Call CreateInstance instead.
+};
+
+} // namespace lldb_private
+
+#endif // liblldb_RenderScriptRuntime_h_
diff --git a/lldb/source/Plugins/Makefile b/lldb/source/Plugins/Makefile
index 80bbe4b75fb..06ae69ba938 100644
--- a/lldb/source/Plugins/Makefile
+++ b/lldb/source/Plugins/Makefile
@@ -23,6 +23,7 @@ PARALLEL_DIRS := ABI/MacOSX-arm ABI/MacOSX-arm64 ABI/MacOSX-i386 ABI/SysV-x86_64
 	UnwindAssembly/InstEmulation UnwindAssembly/x86 \
 	LanguageRuntime/CPlusPlus/ItaniumABI \
 	LanguageRuntime/ObjC/AppleObjCRuntime \
+	LanguageRuntime/RenderScript/RenderScriptRuntime \
 	DynamicLoader/POSIX-DYLD \
 	DynamicLoader/Hexagon-DYLD \
 	DynamicLoader/MacOSX-DYLD \