llvm-project/lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.h

353 lines
11 KiB
C++

//===-- 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
#include <array>
#include <map>
#include <memory>
#include <string>
#include <vector>
// 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 {
namespace lldb_renderscript {
typedef uint32_t RSSlot;
class RSModuleDescriptor;
struct RSGlobalDescriptor;
struct RSKernelDescriptor;
typedef std::shared_ptr<RSModuleDescriptor> RSModuleDescriptorSP;
typedef std::shared_ptr<RSGlobalDescriptor> RSGlobalDescriptorSP;
typedef std::shared_ptr<RSKernelDescriptor> RSKernelDescriptorSP;
// Breakpoint Resolvers decide where a breakpoint is placed,
// so having our own allows us to limit the search scope to RS kernel modules.
// As well as check for .expand kernels as a fallback.
class RSBreakpointResolver : public BreakpointResolver
{
public:
RSBreakpointResolver(Breakpoint *bkpt, ConstString name):
BreakpointResolver (bkpt, BreakpointResolver::NameResolver),
m_kernel_name(name)
{
}
void
GetDescription(Stream *strm) override
{
if (strm)
strm->Printf("RenderScript kernel breakpoint for '%s'", m_kernel_name.AsCString());
}
void
Dump(Stream *s) const override
{
}
Searcher::CallbackReturn
SearchCallback(SearchFilter &filter,
SymbolContext &context,
Address *addr,
bool containing) override;
Searcher::Depth
GetDepth() override
{
return Searcher::eDepthModule;
}
lldb::BreakpointResolverSP
CopyForBreakpoint(Breakpoint &breakpoint) override
{
lldb::BreakpointResolverSP ret_sp(new RSBreakpointResolver(&breakpoint, m_kernel_name));
return ret_sp;
}
protected:
ConstString m_kernel_name;
};
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;
};
class RSModuleDescriptor
{
public:
RSModuleDescriptor(const lldb::ModuleSP &module)
: m_module(module)
{
}
~RSModuleDescriptor() = default;
bool ParseRSInfo();
void Dump(Stream &strm) const;
const lldb::ModuleSP m_module;
std::vector<RSKernelDescriptor> m_kernels;
std::vector<RSGlobalDescriptor> m_globals;
std::map<std::string, std::string> m_pragmas;
std::string m_resname;
};
} // namespace lldb_renderscript
class RenderScriptRuntime : public lldb_private::CPPLanguageRuntime
{
public:
enum ModuleKind
{
eModuleKindIgnored,
eModuleKindLibRS,
eModuleKindDriver,
eModuleKindImpl,
eModuleKindKernelObj
};
~RenderScriptRuntime() override;
//------------------------------------------------------------------
// Static Functions
//------------------------------------------------------------------
static void Initialize();
static void Terminate();
static lldb_private::LanguageRuntime *CreateInstance(Process *process, lldb::LanguageType language);
static lldb::CommandObjectSP GetCommandObject(CommandInterpreter& interpreter);
static lldb_private::ConstString GetPluginNameStatic();
static bool IsRenderScriptModule(const lldb::ModuleSP &module_sp);
static ModuleKind GetModuleKind(const lldb::ModuleSP &module_sp);
static void ModulesDidLoad(const lldb::ProcessSP& process_sp, const ModuleList &module_list );
bool IsVTableName(const char *name) override;
bool GetDynamicTypeAndAddress(ValueObject &in_value, lldb::DynamicValueType use_dynamic,
TypeAndOrName &class_type_or_name, Address &address,
Value::ValueType &value_type) override;
TypeAndOrName
FixUpDynamicType(const TypeAndOrName& type_and_or_name,
ValueObject& static_value) override;
bool CouldHaveDynamicValue(ValueObject &in_value) override;
lldb::BreakpointResolverSP CreateExceptionResolver(Breakpoint *bkpt, bool catch_bp, bool throw_bp) override;
bool LoadModule(const lldb::ModuleSP &module_sp);
bool ProbeModules(const ModuleList module_list);
void DumpModules(Stream &strm) const;
void DumpContexts(Stream &strm) const;
void DumpKernels(Stream &strm) const;
bool DumpAllocation(Stream &strm, StackFrame* frame_ptr, const uint32_t id);
void ListAllocations(Stream &strm, StackFrame* frame_ptr, bool recompute);
void PlaceBreakpointOnKernel(Stream &strm, const char *name, const std::array<int,3> coords,
Error &error, lldb::TargetSP target);
void SetBreakAllKernels(bool do_break, lldb::TargetSP target);
void Status(Stream &strm) const;
size_t GetAlternateManglings(const ConstString &mangled, std::vector<ConstString> &alternates) override {
return static_cast<size_t>(0);
}
void ModulesDidLoad(const ModuleList &module_list) override;
bool LoadAllocation(Stream &strm, const uint32_t alloc_id, const char* filename, StackFrame* frame_ptr);
bool SaveAllocation(Stream &strm, const uint32_t alloc_id, const char* filename, StackFrame* frame_ptr);
void Update();
void Initiate();
//------------------------------------------------------------------
// PluginInterface protocol
//------------------------------------------------------------------
lldb_private::ConstString GetPluginName() override;
uint32_t GetPluginVersion() override;
protected:
struct ScriptDetails;
struct AllocationDetails;
struct Element;
void InitSearchFilter(lldb::TargetSP target)
{
if (!m_filtersp)
m_filtersp.reset(new SearchFilterForUnconstrainedSearches(target));
}
void FixupScriptDetails(lldb_renderscript::RSModuleDescriptorSP rsmodule_sp);
void LoadRuntimeHooks(lldb::ModuleSP module, ModuleKind kind);
bool RefreshAllocation(AllocationDetails* allocation, StackFrame* frame_ptr);
bool EvalRSExpression(const char* expression, StackFrame* frame_ptr, uint64_t* result);
lldb::BreakpointSP CreateKernelBreakpoint(const ConstString& name);
void BreakOnModuleKernels(const lldb_renderscript::RSModuleDescriptorSP rsmodule_sp);
struct RuntimeHook;
typedef void (RenderScriptRuntime::*CaptureStateFn)(RuntimeHook* hook_info, ExecutionContext &context); // Please do this!
struct HookDefn
{
const char * name;
const char * symbol_name_m32; // mangled name for the 32 bit architectures
const char * symbol_name_m64; // mangled name for the 64 bit archs
uint32_t version;
ModuleKind kind;
CaptureStateFn grabber;
};
struct RuntimeHook
{
lldb::addr_t address;
const HookDefn *defn;
lldb::BreakpointSP bp_sp;
};
typedef std::shared_ptr<RuntimeHook> RuntimeHookSP;
lldb::ModuleSP m_libRS;
lldb::ModuleSP m_libRSDriver;
lldb::ModuleSP m_libRSCpuRef;
std::vector<lldb_renderscript::RSModuleDescriptorSP> m_rsmodules;
std::vector<std::unique_ptr<ScriptDetails>> m_scripts;
std::vector<std::unique_ptr<AllocationDetails>> m_allocations;
std::map<lldb::addr_t, lldb_renderscript::RSModuleDescriptorSP> m_scriptMappings;
std::map<lldb::addr_t, RuntimeHookSP> m_runtimeHooks;
std::map<lldb::user_id_t, std::shared_ptr<int>> m_conditional_breaks;
lldb::SearchFilterSP m_filtersp; // Needed to create breakpoints through Target API
bool m_initiated;
bool m_debuggerPresentFlagged;
bool m_breakAllKernels;
static const HookDefn s_runtimeHookDefns[];
static const size_t s_runtimeHookCount;
private:
RenderScriptRuntime(Process *process); // Call CreateInstance instead.
static bool HookCallback(void *baton, StoppointCallbackContext *ctx, lldb::user_id_t break_id,
lldb::user_id_t break_loc_id);
static bool KernelBreakpointHit(void *baton, StoppointCallbackContext *ctx,
lldb::user_id_t break_id, lldb::user_id_t break_loc_id);
void HookCallback(RuntimeHook* hook_info, ExecutionContext& context);
bool GetArgSimple(ExecutionContext& context, uint32_t arg, uint64_t* data);
void CaptureScriptInit1(RuntimeHook* hook_info, ExecutionContext& context);
void CaptureAllocationInit1(RuntimeHook* hook_info, ExecutionContext& context);
void CaptureSetGlobalVar1(RuntimeHook* hook_info, ExecutionContext& context);
AllocationDetails* FindAllocByID(Stream &strm, const uint32_t alloc_id);
std::shared_ptr<uint8_t> GetAllocationData(AllocationDetails* allocation, StackFrame* frame_ptr);
void SetElementSize(Element& elem);
static bool GetFrameVarAsUnsigned(const lldb::StackFrameSP, const char* var_name, uint64_t& val);
void FindStructTypeName(Element& elem, StackFrame* frame_ptr);
//
// Helper functions for jitting the runtime
//
bool JITDataPointer(AllocationDetails* allocation, StackFrame* frame_ptr,
unsigned int x = 0, unsigned int y = 0, unsigned int z = 0);
bool JITTypePointer(AllocationDetails* allocation, StackFrame* frame_ptr);
bool JITTypePacked(AllocationDetails* allocation, StackFrame* frame_ptr);
bool JITElementPacked(Element& elem, const lldb::addr_t context, StackFrame* frame_ptr);
bool JITAllocationSize(AllocationDetails* allocation, StackFrame* frame_ptr);
bool JITSubelements(Element& elem, const lldb::addr_t context, StackFrame* frame_ptr);
bool JITAllocationStride(AllocationDetails* allocation, StackFrame* frame_ptr);
// Search for a script detail object using a target address.
// If a script does not currently exist this function will return nullptr.
// If 'create' is true and there is no previous script with this address,
// then a new Script detail object will be created for this address and returned.
ScriptDetails* LookUpScript(lldb::addr_t address, bool create);
// Search for a previously saved allocation detail object using a target address.
// If an allocation does not exist for this address then nullptr will be returned.
// If 'create' is true and there is no previous allocation then a new allocation
// detail object will be created for this address and returned.
AllocationDetails* LookUpAllocation(lldb::addr_t address, bool create);
};
} // namespace lldb_private
#endif // liblldb_RenderScriptRuntime_h_