1 //===-- RenderScriptRuntime.h -----------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef liblldb_RenderScriptRuntime_h_
11 #define liblldb_RenderScriptRuntime_h_
21 // Other libraries and framework includes
22 #include "llvm/ADT/SmallVector.h"
23 #include "llvm/ADT/StringRef.h"
25 #include "lldb/Core/Module.h"
26 #include "lldb/Expression/LLVMUserExpression.h"
27 #include "lldb/Target/CPPLanguageRuntime.h"
28 #include "lldb/Target/LanguageRuntime.h"
29 #include "lldb/lldb-private.h"
31 namespace lldb_private {
32 namespace lldb_renderscript {
34 typedef uint32_t RSSlot;
35 class RSModuleDescriptor;
36 struct RSGlobalDescriptor;
37 struct RSKernelDescriptor;
38 struct RSReductionDescriptor;
39 struct RSScriptGroupDescriptor;
41 typedef std::shared_ptr<RSModuleDescriptor> RSModuleDescriptorSP;
42 typedef std::shared_ptr<RSGlobalDescriptor> RSGlobalDescriptorSP;
43 typedef std::shared_ptr<RSKernelDescriptor> RSKernelDescriptorSP;
44 typedef std::shared_ptr<RSScriptGroupDescriptor> RSScriptGroupDescriptorSP;
49 RSCoordinate() : x(), y(), z(){};
51 bool operator==(const lldb_renderscript::RSCoordinate &rhs) {
52 return x == rhs.x && y == rhs.y && z == rhs.z;
56 // Breakpoint Resolvers decide where a breakpoint is placed, so having our own
57 // allows us to limit the search scope to RS kernel modules. As well as check
58 // for .expand kernels as a fallback.
59 class RSBreakpointResolver : public BreakpointResolver {
61 RSBreakpointResolver(Breakpoint *bp, ConstString name)
62 : BreakpointResolver(bp, BreakpointResolver::NameResolver),
63 m_kernel_name(name) {}
65 void GetDescription(Stream *strm) override {
67 strm->Printf("RenderScript kernel breakpoint for '%s'",
68 m_kernel_name.AsCString());
71 void Dump(Stream *s) const override {}
73 Searcher::CallbackReturn SearchCallback(SearchFilter &filter,
74 SymbolContext &context, Address *addr,
75 bool containing) override;
77 Searcher::Depth GetDepth() override { return Searcher::eDepthModule; }
79 lldb::BreakpointResolverSP
80 CopyForBreakpoint(Breakpoint &breakpoint) override {
81 lldb::BreakpointResolverSP ret_sp(
82 new RSBreakpointResolver(&breakpoint, m_kernel_name));
87 ConstString m_kernel_name;
90 class RSReduceBreakpointResolver : public BreakpointResolver {
92 enum ReduceKernelTypeFlags {
93 eKernelTypeAll = ~(0),
95 eKernelTypeAccum = (1 << 0),
96 eKernelTypeInit = (1 << 1),
97 eKernelTypeComb = (1 << 2),
98 eKernelTypeOutC = (1 << 3),
99 eKernelTypeHalter = (1 << 4)
102 RSReduceBreakpointResolver(
103 Breakpoint *breakpoint, ConstString reduce_name,
104 std::vector<lldb_renderscript::RSModuleDescriptorSP> *rs_modules,
105 int kernel_types = eKernelTypeAll)
106 : BreakpointResolver(breakpoint, BreakpointResolver::NameResolver),
107 m_reduce_name(reduce_name), m_rsmodules(rs_modules),
108 m_kernel_types(kernel_types) {
109 // The reduce breakpoint resolver handles adding breakpoints for named
111 // Breakpoints will be resolved for all constituent kernels in the named
115 void GetDescription(Stream *strm) override {
117 strm->Printf("RenderScript reduce breakpoint for '%s'",
118 m_reduce_name.AsCString());
121 void Dump(Stream *s) const override {}
123 Searcher::CallbackReturn SearchCallback(SearchFilter &filter,
124 SymbolContext &context, Address *addr,
125 bool containing) override;
127 Searcher::Depth GetDepth() override { return Searcher::eDepthModule; }
129 lldb::BreakpointResolverSP
130 CopyForBreakpoint(Breakpoint &breakpoint) override {
131 lldb::BreakpointResolverSP ret_sp(new RSReduceBreakpointResolver(
132 &breakpoint, m_reduce_name, m_rsmodules, m_kernel_types));
137 ConstString m_reduce_name; // The name of the reduction
138 std::vector<lldb_renderscript::RSModuleDescriptorSP> *m_rsmodules;
142 struct RSKernelDescriptor {
144 RSKernelDescriptor(const RSModuleDescriptor *module, llvm::StringRef name,
146 : m_module(module), m_name(name), m_slot(slot) {}
148 void Dump(Stream &strm) const;
150 const RSModuleDescriptor *m_module;
155 struct RSGlobalDescriptor {
157 RSGlobalDescriptor(const RSModuleDescriptor *module, llvm::StringRef name)
158 : m_module(module), m_name(name) {}
160 void Dump(Stream &strm) const;
162 const RSModuleDescriptor *m_module;
166 struct RSReductionDescriptor {
167 RSReductionDescriptor(const RSModuleDescriptor *module, uint32_t sig,
168 uint32_t accum_data_size, llvm::StringRef name,
169 llvm::StringRef init_name, llvm::StringRef accum_name,
170 llvm::StringRef comb_name, llvm::StringRef outc_name,
171 llvm::StringRef halter_name = ".")
172 : m_module(module), m_reduce_name(name), m_init_name(init_name),
173 m_accum_name(accum_name), m_comb_name(comb_name),
174 m_outc_name(outc_name), m_halter_name(halter_name) {
175 // TODO Check whether the combiner is an autogenerated name, and track
179 void Dump(Stream &strm) const;
181 const RSModuleDescriptor *m_module;
182 ConstString m_reduce_name; // This is the name given to the general reduction
183 // as a group as passed to pragma
184 // reduce(m_reduce_name). There is no kernel function with this name
185 ConstString m_init_name; // The name of the initializer name. "." if no
187 ConstString m_accum_name; // The accumulator function name. "." if not given
188 ConstString m_comb_name; // The name of the combiner function. If this was not
189 // given, a name is generated by the
191 ConstString m_outc_name; // The name of the outconverter
193 ConstString m_halter_name; // The name of the halter function. XXX This is not
194 // yet specified by the RenderScript
195 // compiler or runtime, and its semantics and existence is still under
197 // RenderScript Contributors
198 RSSlot m_accum_sig; // metatdata signature for this reduction (bitwise mask of
199 // type information (see
200 // libbcc/include/bcinfo/MetadataExtractor.h
201 uint32_t m_accum_data_size; // Data size of the accumulator function input
202 bool m_comb_name_generated; // Was the combiner name generated by the compiler
205 class RSModuleDescriptor {
206 std::string m_slang_version;
207 std::string m_bcc_version;
209 bool ParseVersionInfo(llvm::StringRef *, size_t n_lines);
211 bool ParseExportForeachCount(llvm::StringRef *, size_t n_lines);
213 bool ParseExportVarCount(llvm::StringRef *, size_t n_lines);
215 bool ParseExportReduceCount(llvm::StringRef *, size_t n_lines);
217 bool ParseBuildChecksum(llvm::StringRef *, size_t n_lines);
219 bool ParsePragmaCount(llvm::StringRef *, size_t n_lines);
222 RSModuleDescriptor(const lldb::ModuleSP &module) : m_module(module) {}
224 ~RSModuleDescriptor() = default;
228 void Dump(Stream &strm) const;
230 void WarnIfVersionMismatch(Stream *s) const;
232 const lldb::ModuleSP m_module;
233 std::vector<RSKernelDescriptor> m_kernels;
234 std::vector<RSGlobalDescriptor> m_globals;
235 std::vector<RSReductionDescriptor> m_reductions;
236 std::map<std::string, std::string> m_pragmas;
237 std::string m_resname;
240 struct RSScriptGroupDescriptor {
246 std::vector<Kernel> m_kernels;
249 typedef std::vector<RSScriptGroupDescriptorSP> RSScriptGroupList;
251 class RSScriptGroupBreakpointResolver : public BreakpointResolver {
253 RSScriptGroupBreakpointResolver(Breakpoint *bp, const ConstString &name,
254 const RSScriptGroupList &groups,
256 : BreakpointResolver(bp, BreakpointResolver::NameResolver),
257 m_group_name(name), m_script_groups(groups),
258 m_stop_on_all(stop_on_all) {}
260 void GetDescription(Stream *strm) override {
262 strm->Printf("RenderScript ScriptGroup breakpoint for '%s'",
263 m_group_name.AsCString());
266 void Dump(Stream *s) const override {}
268 Searcher::CallbackReturn SearchCallback(SearchFilter &filter,
269 SymbolContext &context, Address *addr,
270 bool containing) override;
272 Searcher::Depth GetDepth() override { return Searcher::eDepthModule; }
274 lldb::BreakpointResolverSP
275 CopyForBreakpoint(Breakpoint &breakpoint) override {
276 lldb::BreakpointResolverSP ret_sp(new RSScriptGroupBreakpointResolver(
277 &breakpoint, m_group_name, m_script_groups, m_stop_on_all));
282 const RSScriptGroupDescriptorSP
283 FindScriptGroup(const ConstString &name) const {
284 for (auto sg : m_script_groups) {
285 if (ConstString::Compare(sg->m_name, name) == 0)
288 return RSScriptGroupDescriptorSP();
291 ConstString m_group_name;
292 const RSScriptGroupList &m_script_groups;
295 } // namespace lldb_renderscript
297 class RenderScriptRuntime : public lldb_private::CPPLanguageRuntime {
307 ~RenderScriptRuntime() override;
309 //------------------------------------------------------------------
311 //------------------------------------------------------------------
312 static void Initialize();
314 static void Terminate();
316 static lldb_private::LanguageRuntime *
317 CreateInstance(Process *process, lldb::LanguageType language);
319 static lldb::CommandObjectSP
320 GetCommandObject(CommandInterpreter &interpreter);
322 static lldb_private::ConstString GetPluginNameStatic();
324 static bool IsRenderScriptModule(const lldb::ModuleSP &module_sp);
326 static ModuleKind GetModuleKind(const lldb::ModuleSP &module_sp);
328 static void ModulesDidLoad(const lldb::ProcessSP &process_sp,
329 const ModuleList &module_list);
331 bool IsVTableName(const char *name) override;
333 bool GetDynamicTypeAndAddress(ValueObject &in_value,
334 lldb::DynamicValueType use_dynamic,
335 TypeAndOrName &class_type_or_name,
337 Value::ValueType &value_type) override;
339 TypeAndOrName FixUpDynamicType(const TypeAndOrName &type_and_or_name,
340 ValueObject &static_value) override;
342 bool CouldHaveDynamicValue(ValueObject &in_value) override;
344 lldb::BreakpointResolverSP CreateExceptionResolver(Breakpoint *bp,
346 bool throw_bp) override;
348 bool LoadModule(const lldb::ModuleSP &module_sp);
350 void DumpModules(Stream &strm) const;
352 void DumpContexts(Stream &strm) const;
354 void DumpKernels(Stream &strm) const;
356 bool DumpAllocation(Stream &strm, StackFrame *frame_ptr, const uint32_t id);
358 void ListAllocations(Stream &strm, StackFrame *frame_ptr,
359 const uint32_t index);
361 bool RecomputeAllAllocations(Stream &strm, StackFrame *frame_ptr);
363 bool PlaceBreakpointOnKernel(
364 lldb::TargetSP target, Stream &messages, const char *name,
365 const lldb_renderscript::RSCoordinate *coords = nullptr);
367 bool PlaceBreakpointOnReduction(
368 lldb::TargetSP target, Stream &messages, const char *reduce_name,
369 const lldb_renderscript::RSCoordinate *coords = nullptr,
370 int kernel_types = ~(0));
372 bool PlaceBreakpointOnScriptGroup(lldb::TargetSP target, Stream &strm,
373 const ConstString &name, bool stop_on_all);
375 void SetBreakAllKernels(bool do_break, lldb::TargetSP target);
377 void Status(Stream &strm) const;
379 void ModulesDidLoad(const ModuleList &module_list) override;
381 bool LoadAllocation(Stream &strm, const uint32_t alloc_id,
382 const char *filename, StackFrame *frame_ptr);
384 bool SaveAllocation(Stream &strm, const uint32_t alloc_id,
385 const char *filename, StackFrame *frame_ptr);
391 const lldb_renderscript::RSScriptGroupList &GetScriptGroups() const {
392 return m_scriptGroups;
395 bool IsKnownKernel(const ConstString &name) {
396 for (const auto &module : m_rsmodules)
397 for (const auto &kernel : module->m_kernels)
398 if (kernel.m_name == name)
403 //------------------------------------------------------------------
404 // PluginInterface protocol
405 //------------------------------------------------------------------
406 lldb_private::ConstString GetPluginName() override;
408 uint32_t GetPluginVersion() override;
410 static bool GetKernelCoordinate(lldb_renderscript::RSCoordinate &coord,
413 bool ResolveKernelName(lldb::addr_t kernel_address, ConstString &name);
416 struct ScriptDetails;
417 struct AllocationDetails;
420 lldb_renderscript::RSScriptGroupList m_scriptGroups;
422 void InitSearchFilter(lldb::TargetSP target) {
424 m_filtersp.reset(new SearchFilterForUnconstrainedSearches(target));
427 void FixupScriptDetails(lldb_renderscript::RSModuleDescriptorSP rsmodule_sp);
429 void LoadRuntimeHooks(lldb::ModuleSP module, ModuleKind kind);
431 bool RefreshAllocation(AllocationDetails *alloc, StackFrame *frame_ptr);
433 bool EvalRSExpression(const char *expression, StackFrame *frame_ptr,
436 lldb::BreakpointSP CreateScriptGroupBreakpoint(const ConstString &name,
439 lldb::BreakpointSP CreateKernelBreakpoint(const ConstString &name);
441 lldb::BreakpointSP CreateReductionBreakpoint(const ConstString &name,
444 void BreakOnModuleKernels(
445 const lldb_renderscript::RSModuleDescriptorSP rsmodule_sp);
448 typedef void (RenderScriptRuntime::*CaptureStateFn)(
449 RuntimeHook *hook_info,
450 ExecutionContext &context); // Please do this!
454 const char *symbol_name_m32; // mangled name for the 32 bit architectures
455 const char *symbol_name_m64; // mangled name for the 64 bit archs
458 CaptureStateFn grabber;
462 lldb::addr_t address;
463 const HookDefn *defn;
464 lldb::BreakpointSP bp_sp;
467 typedef std::shared_ptr<RuntimeHook> RuntimeHookSP;
469 lldb::ModuleSP m_libRS;
470 lldb::ModuleSP m_libRSDriver;
471 lldb::ModuleSP m_libRSCpuRef;
472 std::vector<lldb_renderscript::RSModuleDescriptorSP> m_rsmodules;
474 std::vector<std::unique_ptr<ScriptDetails>> m_scripts;
475 std::vector<std::unique_ptr<AllocationDetails>> m_allocations;
477 std::map<lldb::addr_t, lldb_renderscript::RSModuleDescriptorSP>
479 std::map<lldb::addr_t, RuntimeHookSP> m_runtimeHooks;
480 std::map<lldb::user_id_t, std::unique_ptr<lldb_renderscript::RSCoordinate>>
481 m_conditional_breaks;
484 m_filtersp; // Needed to create breakpoints through Target API
487 bool m_debuggerPresentFlagged;
488 bool m_breakAllKernels;
489 static const HookDefn s_runtimeHookDefns[];
490 static const size_t s_runtimeHookCount;
491 LLVMUserExpression::IRPasses *m_ir_passes;
494 RenderScriptRuntime(Process *process); // Call CreateInstance instead.
496 static bool HookCallback(void *baton, StoppointCallbackContext *ctx,
497 lldb::user_id_t break_id,
498 lldb::user_id_t break_loc_id);
500 static bool KernelBreakpointHit(void *baton, StoppointCallbackContext *ctx,
501 lldb::user_id_t break_id,
502 lldb::user_id_t break_loc_id);
504 void HookCallback(RuntimeHook *hook_info, ExecutionContext &context);
506 // Callback function when 'debugHintScriptGroup2' executes on the target.
507 void CaptureDebugHintScriptGroup2(RuntimeHook *hook_info,
508 ExecutionContext &context);
510 void CaptureScriptInit(RuntimeHook *hook_info, ExecutionContext &context);
512 void CaptureAllocationInit(RuntimeHook *hook_info, ExecutionContext &context);
514 void CaptureAllocationDestroy(RuntimeHook *hook_info,
515 ExecutionContext &context);
517 void CaptureSetGlobalVar(RuntimeHook *hook_info, ExecutionContext &context);
519 void CaptureScriptInvokeForEachMulti(RuntimeHook *hook_info,
520 ExecutionContext &context);
522 AllocationDetails *FindAllocByID(Stream &strm, const uint32_t alloc_id);
524 std::shared_ptr<uint8_t> GetAllocationData(AllocationDetails *alloc,
525 StackFrame *frame_ptr);
527 void SetElementSize(Element &elem);
529 static bool GetFrameVarAsUnsigned(const lldb::StackFrameSP,
530 const char *var_name, uint64_t &val);
532 void FindStructTypeName(Element &elem, StackFrame *frame_ptr);
534 size_t PopulateElementHeaders(const std::shared_ptr<uint8_t> header_buffer,
535 size_t offset, const Element &elem);
537 size_t CalculateElementHeaderSize(const Element &elem);
539 void SetConditional(lldb::BreakpointSP bp, lldb_private::Stream &messages,
540 const lldb_renderscript::RSCoordinate &coord);
542 // Helper functions for jitting the runtime
545 bool JITDataPointer(AllocationDetails *alloc, StackFrame *frame_ptr,
546 uint32_t x = 0, uint32_t y = 0, uint32_t z = 0);
548 bool JITTypePointer(AllocationDetails *alloc, StackFrame *frame_ptr);
550 bool JITTypePacked(AllocationDetails *alloc, StackFrame *frame_ptr);
552 bool JITElementPacked(Element &elem, const lldb::addr_t context,
553 StackFrame *frame_ptr);
555 bool JITAllocationSize(AllocationDetails *alloc, StackFrame *frame_ptr);
557 bool JITSubelements(Element &elem, const lldb::addr_t context,
558 StackFrame *frame_ptr);
560 bool JITAllocationStride(AllocationDetails *alloc, StackFrame *frame_ptr);
562 // Search for a script detail object using a target address.
563 // If a script does not currently exist this function will return nullptr.
564 // If 'create' is true and there is no previous script with this address,
565 // then a new Script detail object will be created for this address and
567 ScriptDetails *LookUpScript(lldb::addr_t address, bool create);
569 // Search for a previously saved allocation detail object using a target
571 // If an allocation does not exist for this address then nullptr will be
573 AllocationDetails *LookUpAllocation(lldb::addr_t address);
575 // Creates a new allocation with the specified address assigning a new ID and
577 // any previous stored allocation which has the same address.
578 AllocationDetails *CreateAllocation(lldb::addr_t address);
580 bool GetOverrideExprOptions(clang::TargetOptions &prototype) override;
582 bool GetIRPasses(LLVMUserExpression::IRPasses &passes) override;
585 } // namespace lldb_private
587 #endif // liblldb_RenderScriptRuntime_h_