forked from OSchip/llvm-project
311 lines
9.2 KiB
C++
311 lines
9.2 KiB
C++
//===-- RenderScriptRuntime.h -----------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef liblldb_RenderScriptRuntime_h_
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#define liblldb_RenderScriptRuntime_h_
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// C Includes
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// C++ Includes
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// Other libraries and framework includes
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// Project includes
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#include "lldb/lldb-private.h"
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#include "lldb/Target/LanguageRuntime.h"
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#include "lldb/Target/CPPLanguageRuntime.h"
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#include "lldb/Core/Module.h"
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namespace lldb_private
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{
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namespace lldb_renderscript
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{
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typedef uint32_t RSSlot;
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class RSModuleDescriptor;
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struct RSGlobalDescriptor;
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struct RSKernelDescriptor;
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typedef std::shared_ptr<RSModuleDescriptor> RSModuleDescriptorSP;
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typedef std::shared_ptr<RSGlobalDescriptor> RSGlobalDescriptorSP;
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typedef std::shared_ptr<RSKernelDescriptor> RSKernelDescriptorSP;
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// Breakpoint Resolvers decide where a breakpoint is placed,
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// so having our own allows us to limit the search scope to RS kernel modules.
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// As well as check for .expand kernels as a fallback.
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class RSBreakpointResolver : public BreakpointResolver
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{
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public:
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RSBreakpointResolver(Breakpoint *bkpt, ConstString name):
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BreakpointResolver (bkpt, BreakpointResolver::NameResolver),
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m_kernel_name(name)
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{
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}
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void
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GetDescription(Stream *strm) override
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{
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if (strm)
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strm->Printf("RenderScript kernel breakpoint for '%s'", m_kernel_name.AsCString());
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}
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void
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Dump(Stream *s) const override
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{
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}
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Searcher::CallbackReturn
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SearchCallback(SearchFilter &filter,
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SymbolContext &context,
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Address *addr,
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bool containing) override;
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Searcher::Depth
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GetDepth() override
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{
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return Searcher::eDepthModule;
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}
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lldb::BreakpointResolverSP
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CopyForBreakpoint(Breakpoint &breakpoint) override
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{
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lldb::BreakpointResolverSP ret_sp(new RSBreakpointResolver(&breakpoint, m_kernel_name));
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return ret_sp;
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}
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protected:
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ConstString m_kernel_name;
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};
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struct RSKernelDescriptor
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{
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public:
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RSKernelDescriptor(const RSModuleDescriptor *module, const char *name, uint32_t slot)
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: m_module(module)
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, m_name(name)
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, m_slot(slot)
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{
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}
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void Dump(Stream &strm) const;
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const RSModuleDescriptor *m_module;
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ConstString m_name;
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RSSlot m_slot;
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};
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struct RSGlobalDescriptor
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{
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public:
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RSGlobalDescriptor(const RSModuleDescriptor *module, const char *name )
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: m_module(module)
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, m_name(name)
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{
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}
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void Dump(Stream &strm) const;
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const RSModuleDescriptor *m_module;
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ConstString m_name;
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};
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class RSModuleDescriptor
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{
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public:
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RSModuleDescriptor(const lldb::ModuleSP &module)
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: m_module(module)
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{
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}
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~RSModuleDescriptor() {}
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bool ParseRSInfo();
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void Dump(Stream &strm) const;
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const lldb::ModuleSP m_module;
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std::vector<RSKernelDescriptor> m_kernels;
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std::vector<RSGlobalDescriptor> m_globals;
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std::map<std::string, std::string> m_pragmas;
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std::string m_resname;
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};
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} // end lldb_renderscript namespace
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class RenderScriptRuntime : public lldb_private::CPPLanguageRuntime
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{
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public:
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enum ModuleKind
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{
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eModuleKindIgnored,
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eModuleKindLibRS,
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eModuleKindDriver,
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eModuleKindImpl,
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eModuleKindKernelObj
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};
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~RenderScriptRuntime();
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//------------------------------------------------------------------
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// Static Functions
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//------------------------------------------------------------------
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static void Initialize();
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static void Terminate();
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static lldb_private::LanguageRuntime *CreateInstance(Process *process, lldb::LanguageType language);
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static lldb::CommandObjectSP GetCommandObject(CommandInterpreter& interpreter);
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static lldb_private::ConstString GetPluginNameStatic();
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static bool IsRenderScriptModule(const lldb::ModuleSP &module_sp);
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static ModuleKind GetModuleKind(const lldb::ModuleSP &module_sp);
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static void ModulesDidLoad(const lldb::ProcessSP& process_sp, const ModuleList &module_list );
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//------------------------------------------------------------------
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// PluginInterface protocol
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//------------------------------------------------------------------
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virtual lldb_private::ConstString GetPluginName();
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virtual uint32_t GetPluginVersion();
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virtual bool IsVTableName(const char *name);
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virtual bool GetDynamicTypeAndAddress(ValueObject &in_value, lldb::DynamicValueType use_dynamic,
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TypeAndOrName &class_type_or_name, Address &address,
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Value::ValueType &value_type);
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virtual TypeAndOrName
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FixUpDynamicType (const TypeAndOrName& type_and_or_name,
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ValueObject& static_value);
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virtual bool CouldHaveDynamicValue(ValueObject &in_value);
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virtual lldb::BreakpointResolverSP CreateExceptionResolver(Breakpoint *bkpt, bool catch_bp, bool throw_bp);
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bool LoadModule(const lldb::ModuleSP &module_sp);
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bool ProbeModules(const ModuleList module_list);
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void DumpModules(Stream &strm) const;
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void DumpContexts(Stream &strm) const;
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void DumpKernels(Stream &strm) const;
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void AttemptBreakpointAtKernelName(Stream &strm, const char *name, Error &error, lldb::TargetSP target);
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void SetBreakAllKernels(bool do_break, lldb::TargetSP target);
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void Status(Stream &strm) const;
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virtual size_t GetAlternateManglings(const ConstString &mangled, std::vector<ConstString> &alternates) {
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return static_cast<size_t>(0);
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}
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virtual void ModulesDidLoad(const ModuleList &module_list );
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void Update();
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void Initiate();
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protected:
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void InitSearchFilter(lldb::TargetSP target)
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{
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if (!m_filtersp)
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m_filtersp.reset(new SearchFilterForUnconstrainedSearches(target));
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}
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void FixupScriptDetails(lldb_renderscript::RSModuleDescriptorSP rsmodule_sp);
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void LoadRuntimeHooks(lldb::ModuleSP module, ModuleKind kind);
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lldb::BreakpointSP CreateKernelBreakpoint(const ConstString& name);
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void BreakOnModuleKernels(const lldb_renderscript::RSModuleDescriptorSP rsmodule_sp);
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struct RuntimeHook;
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typedef void (RenderScriptRuntime::*CaptureStateFn)(RuntimeHook* hook_info, ExecutionContext &context); // Please do this!
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struct HookDefn
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{
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const char * name;
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const char * symbol_name_m32; // mangled name for the 32 bit architectures
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const char * symbol_name_m64; // mangled name for the 64 bit archs
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uint32_t version;
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ModuleKind kind;
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CaptureStateFn grabber;
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};
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struct RuntimeHook
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{
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lldb::addr_t address;
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const HookDefn *defn;
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lldb::BreakpointSP bp_sp;
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};
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typedef std::shared_ptr<RuntimeHook> RuntimeHookSP;
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struct ScriptDetails;
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struct AllocationDetails;
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lldb::ModuleSP m_libRS;
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lldb::ModuleSP m_libRSDriver;
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lldb::ModuleSP m_libRSCpuRef;
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std::vector<lldb_renderscript::RSModuleDescriptorSP> m_rsmodules;
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std::vector<std::unique_ptr<ScriptDetails>> m_scripts;
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std::vector<std::unique_ptr<AllocationDetails>> m_allocations;
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std::map<lldb::addr_t, lldb_renderscript::RSModuleDescriptorSP> m_scriptMappings;
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std::map<lldb::addr_t, RuntimeHookSP> m_runtimeHooks;
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lldb::SearchFilterSP m_filtersp; // Needed to create breakpoints through Target API
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bool m_initiated;
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bool m_debuggerPresentFlagged;
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bool m_breakAllKernels;
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static const HookDefn s_runtimeHookDefns[];
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static const size_t s_runtimeHookCount;
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private:
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RenderScriptRuntime(Process *process); // Call CreateInstance instead.
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static bool HookCallback(void *baton, StoppointCallbackContext *ctx, lldb::user_id_t break_id,
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lldb::user_id_t break_loc_id);
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void HookCallback(RuntimeHook* hook_info, ExecutionContext& context);
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bool GetArgSimple(ExecutionContext& context, uint32_t arg, uint64_t* data);
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void CaptureScriptInit1(RuntimeHook* hook_info, ExecutionContext& context);
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void CaptureAllocationInit1(RuntimeHook* hook_info, ExecutionContext& context);
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void CaptureSetGlobalVar1(RuntimeHook* hook_info, ExecutionContext& context);
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// Search for a script detail object using a target address.
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// If a script does not currently exist this function will return nullptr.
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// If 'create' is true and there is no previous script with this address,
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// then a new Script detail object will be created for this address and returned.
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ScriptDetails* LookUpScript(lldb::addr_t address, bool create);
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// Search for a previously saved allocation detail object using a target address.
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// If an allocation does not exist for this address then nullptr will be returned.
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// If 'create' is true and there is no previous allocation then a new allocation
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// detail object will be created for this address and returned.
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AllocationDetails* LookUpAllocation(lldb::addr_t address, bool create);
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};
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} // namespace lldb_private
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#endif // liblldb_RenderScriptRuntime_h_
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