forked from OSchip/llvm-project
374 lines
12 KiB
C++
374 lines
12 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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#include <array>
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#include <map>
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#include <memory>
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#include <string>
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#include <vector>
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// Other libraries and framework includes
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// Project includes
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#include "lldb/Core/Module.h"
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#include "lldb/Expression/LLVMUserExpression.h"
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#include "lldb/Target/CPPLanguageRuntime.h"
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#include "lldb/Target/LanguageRuntime.h"
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#include "lldb/lldb-private.h"
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namespace lldb_private {
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namespace lldb_renderscript {
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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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typedef std::array<uint32_t, 3> RSCoordinate;
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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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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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void GetDescription(Stream *strm) override {
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if (strm)
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strm->Printf("RenderScript kernel breakpoint for '%s'",
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m_kernel_name.AsCString());
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}
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void Dump(Stream *s) const override {}
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Searcher::CallbackReturn SearchCallback(SearchFilter &filter,
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SymbolContext &context, Address *addr,
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bool containing) override;
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Searcher::Depth GetDepth() override { return Searcher::eDepthModule; }
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lldb::BreakpointResolverSP
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CopyForBreakpoint(Breakpoint &breakpoint) override {
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lldb::BreakpointResolverSP ret_sp(
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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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public:
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RSKernelDescriptor(const RSModuleDescriptor *module, const char *name,
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uint32_t slot)
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: m_module(module), m_name(name), m_slot(slot) {}
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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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public:
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RSGlobalDescriptor(const RSModuleDescriptor *module, const char *name)
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: m_module(module), m_name(name) {}
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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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public:
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RSModuleDescriptor(const lldb::ModuleSP &module) : m_module(module) {}
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~RSModuleDescriptor() = default;
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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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} // namespace lldb_renderscript
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class RenderScriptRuntime : public lldb_private::CPPLanguageRuntime {
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public:
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enum ModuleKind {
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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() override;
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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 *
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CreateInstance(Process *process, lldb::LanguageType language);
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static lldb::CommandObjectSP
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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,
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const ModuleList &module_list);
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bool IsVTableName(const char *name) override;
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bool GetDynamicTypeAndAddress(ValueObject &in_value,
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lldb::DynamicValueType use_dynamic,
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TypeAndOrName &class_type_or_name,
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Address &address,
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Value::ValueType &value_type) override;
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TypeAndOrName FixUpDynamicType(const TypeAndOrName &type_and_or_name,
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ValueObject &static_value) override;
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bool CouldHaveDynamicValue(ValueObject &in_value) override;
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lldb::BreakpointResolverSP CreateExceptionResolver(Breakpoint *bkpt,
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bool catch_bp,
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bool throw_bp) override;
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bool LoadModule(const lldb::ModuleSP &module_sp);
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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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bool DumpAllocation(Stream &strm, StackFrame *frame_ptr, const uint32_t id);
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void ListAllocations(Stream &strm, StackFrame *frame_ptr,
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const uint32_t index);
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bool RecomputeAllAllocations(Stream &strm, StackFrame *frame_ptr);
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void PlaceBreakpointOnKernel(Stream &strm, const char *name,
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const std::array<int, 3> coords, Error &error,
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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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void ModulesDidLoad(const ModuleList &module_list) override;
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bool LoadAllocation(Stream &strm, const uint32_t alloc_id,
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const char *filename, StackFrame *frame_ptr);
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bool SaveAllocation(Stream &strm, const uint32_t alloc_id,
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const char *filename, StackFrame *frame_ptr);
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void Update();
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void Initiate();
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//------------------------------------------------------------------
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// PluginInterface protocol
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//------------------------------------------------------------------
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lldb_private::ConstString GetPluginName() override;
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uint32_t GetPluginVersion() override;
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static bool GetKernelCoordinate(lldb_renderscript::RSCoordinate &coord,
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Thread *thread_ptr);
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protected:
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struct ScriptDetails;
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struct AllocationDetails;
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struct Element;
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void InitSearchFilter(lldb::TargetSP target) {
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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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bool RefreshAllocation(AllocationDetails *allocation, StackFrame *frame_ptr);
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bool EvalRSExpression(const char *expression, StackFrame *frame_ptr,
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uint64_t *result);
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lldb::BreakpointSP CreateKernelBreakpoint(const ConstString &name);
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void BreakOnModuleKernels(
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const lldb_renderscript::RSModuleDescriptorSP rsmodule_sp);
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struct RuntimeHook;
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typedef void (RenderScriptRuntime::*CaptureStateFn)(
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RuntimeHook *hook_info,
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ExecutionContext &context); // Please do this!
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struct HookDefn {
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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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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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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>
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m_scriptMappings;
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std::map<lldb::addr_t, RuntimeHookSP> m_runtimeHooks;
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std::map<lldb::user_id_t, std::shared_ptr<uint32_t>> m_conditional_breaks;
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lldb::SearchFilterSP
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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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LLVMUserExpression::IRPasses *m_ir_passes;
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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,
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lldb::user_id_t break_id,
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lldb::user_id_t break_loc_id);
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static bool KernelBreakpointHit(void *baton, StoppointCallbackContext *ctx,
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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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void CaptureScriptInit(RuntimeHook *hook_info, ExecutionContext &context);
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void CaptureAllocationInit(RuntimeHook *hook_info, ExecutionContext &context);
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void CaptureAllocationDestroy(RuntimeHook *hook_info,
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ExecutionContext &context);
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void CaptureSetGlobalVar(RuntimeHook *hook_info, ExecutionContext &context);
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void CaptureScriptInvokeForEachMulti(RuntimeHook *hook_info,
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ExecutionContext &context);
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AllocationDetails *FindAllocByID(Stream &strm, const uint32_t alloc_id);
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std::shared_ptr<uint8_t> GetAllocationData(AllocationDetails *allocation,
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StackFrame *frame_ptr);
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void SetElementSize(Element &elem);
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static bool GetFrameVarAsUnsigned(const lldb::StackFrameSP,
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const char *var_name, uint64_t &val);
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void FindStructTypeName(Element &elem, StackFrame *frame_ptr);
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size_t PopulateElementHeaders(const std::shared_ptr<uint8_t> header_buffer,
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size_t offset, const Element &elem);
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size_t CalculateElementHeaderSize(const Element &elem);
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//
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// Helper functions for jitting the runtime
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//
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bool JITDataPointer(AllocationDetails *allocation, StackFrame *frame_ptr,
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uint32_t x = 0, uint32_t y = 0, uint32_t z = 0);
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bool JITTypePointer(AllocationDetails *allocation, StackFrame *frame_ptr);
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bool JITTypePacked(AllocationDetails *allocation, StackFrame *frame_ptr);
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bool JITElementPacked(Element &elem, const lldb::addr_t context,
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StackFrame *frame_ptr);
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bool JITAllocationSize(AllocationDetails *allocation, StackFrame *frame_ptr);
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bool JITSubelements(Element &elem, const lldb::addr_t context,
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StackFrame *frame_ptr);
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bool JITAllocationStride(AllocationDetails *allocation,
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StackFrame *frame_ptr);
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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
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// 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
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// address.
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// If an allocation does not exist for this address then nullptr will be
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// returned.
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AllocationDetails *LookUpAllocation(lldb::addr_t address);
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// Creates a new allocation with the specified address assigning a new ID and
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// removes
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// any previous stored allocation which has the same address.
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AllocationDetails *CreateAllocation(lldb::addr_t address);
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bool GetOverrideExprOptions(clang::TargetOptions &prototype) override;
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bool GetIRPasses(LLVMUserExpression::IRPasses &passes) override;
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};
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} // namespace lldb_private
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#endif // liblldb_RenderScriptRuntime_h_
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