lldb/source/API/SBSymbol.cpp

   1 //===-- SBSymbol.cpp --------------------------------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "lldb/API/SBSymbol.h"
  10 #include "SBReproducerPrivate.h"
  11 #include "lldb/API/SBStream.h"
  12 #include "lldb/Core/Disassembler.h"
  13 #include "lldb/Core/Module.h"
  14 #include "lldb/Symbol/Symbol.h"
  15 #include "lldb/Target/ExecutionContext.h"
  16 #include "lldb/Target/Target.h"
  17
  18 using namespace lldb;
  19 using namespace lldb_private;
  20
  21 SBSymbol::SBSymbol() : m_opaque_ptr(nullptr) {
  22   LLDB_RECORD_CONSTRUCTOR_NO_ARGS(SBSymbol);
  23 }
  24
  25 SBSymbol::SBSymbol(lldb_private::Symbol *lldb_object_ptr)
  26     : m_opaque_ptr(lldb_object_ptr) {}
  27
  28 SBSymbol::SBSymbol(const lldb::SBSymbol &rhs) : m_opaque_ptr(rhs.m_opaque_ptr) {
  29   LLDB_RECORD_CONSTRUCTOR(SBSymbol, (const lldb::SBSymbol &), rhs);
  30 }
  31
  32 const SBSymbol &SBSymbol::operator=(const SBSymbol &rhs) {
  33   LLDB_RECORD_METHOD(const lldb::SBSymbol &,
  34                      SBSymbol, operator=,(const lldb::SBSymbol &), rhs);
  35
  36   m_opaque_ptr = rhs.m_opaque_ptr;
  37   return LLDB_RECORD_RESULT(*this);
  38 }
  39
  40 SBSymbol::~SBSymbol() { m_opaque_ptr = nullptr; }
  41
  42 void SBSymbol::SetSymbol(lldb_private::Symbol *lldb_object_ptr) {
  43   m_opaque_ptr = lldb_object_ptr;
  44 }
  45
  46 bool SBSymbol::IsValid() const {
  47   LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBSymbol, IsValid);
  48   return this->operator bool();
  49 }
  50 SBSymbol::operator bool() const {
  51   LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBSymbol, operator bool);
  52
  53   return m_opaque_ptr != nullptr;
  54 }
  55
  56 const char *SBSymbol::GetName() const {
  57   LLDB_RECORD_METHOD_CONST_NO_ARGS(const char *, SBSymbol, GetName);
  58
  59   const char *name = nullptr;
  60   if (m_opaque_ptr)
  61     name = m_opaque_ptr->GetName().AsCString();
  62
  63   return name;
  64 }
  65
  66 const char *SBSymbol::GetDisplayName() const {
  67   LLDB_RECORD_METHOD_CONST_NO_ARGS(const char *, SBSymbol, GetDisplayName);
  68
  69   const char *name = nullptr;
  70   if (m_opaque_ptr)
  71     name = m_opaque_ptr->GetMangled()
  72                .GetDisplayDemangledName(m_opaque_ptr->GetLanguage())
  73                .AsCString();
  74
  75   return name;
  76 }
  77
  78 const char *SBSymbol::GetMangledName() const {
  79   LLDB_RECORD_METHOD_CONST_NO_ARGS(const char *, SBSymbol, GetMangledName);
  80
  81   const char *name = nullptr;
  82   if (m_opaque_ptr)
  83     name = m_opaque_ptr->GetMangled().GetMangledName().AsCString();
  84   return name;
  85 }
  86
  87 bool SBSymbol::operator==(const SBSymbol &rhs) const {
  88   LLDB_RECORD_METHOD_CONST(bool, SBSymbol, operator==,(const lldb::SBSymbol &),
  89                            rhs);
  90
  91   return m_opaque_ptr == rhs.m_opaque_ptr;
  92 }
  93
  94 bool SBSymbol::operator!=(const SBSymbol &rhs) const {
  95   LLDB_RECORD_METHOD_CONST(bool, SBSymbol, operator!=,(const lldb::SBSymbol &),
  96                            rhs);
  97
  98   return m_opaque_ptr != rhs.m_opaque_ptr;
  99 }
 100
 101 bool SBSymbol::GetDescription(SBStream &description) {
 102   LLDB_RECORD_METHOD(bool, SBSymbol, GetDescription, (lldb::SBStream &),
 103                      description);
 104
 105   Stream &strm = description.ref();
 106
 107   if (m_opaque_ptr) {
 108     m_opaque_ptr->GetDescription(&strm, lldb::eDescriptionLevelFull, nullptr);
 109   } else
 110     strm.PutCString("No value");
 111
 112   return true;
 113 }
 114
 115 SBInstructionList SBSymbol::GetInstructions(SBTarget target) {
 116   LLDB_RECORD_METHOD(lldb::SBInstructionList, SBSymbol, GetInstructions,
 117                      (lldb::SBTarget), target);
 118
 119   return LLDB_RECORD_RESULT(GetInstructions(target, nullptr));
 120 }
 121
 122 SBInstructionList SBSymbol::GetInstructions(SBTarget target,
 123                                             const char *flavor_string) {
 124   LLDB_RECORD_METHOD(lldb::SBInstructionList, SBSymbol, GetInstructions,
 125                      (lldb::SBTarget, const char *), target, flavor_string);
 126
 127   SBInstructionList sb_instructions;
 128   if (m_opaque_ptr) {
 129     ExecutionContext exe_ctx;
 130     TargetSP target_sp(target.GetSP());
 131     std::unique_lock<std::recursive_mutex> lock;
 132     if (target_sp) {
 133       lock = std::unique_lock<std::recursive_mutex>(target_sp->GetAPIMutex());
 134
 135       target_sp->CalculateExecutionContext(exe_ctx);
 136     }
 137     if (m_opaque_ptr->ValueIsAddress()) {
 138       const Address &symbol_addr = m_opaque_ptr->GetAddressRef();
 139       ModuleSP module_sp = symbol_addr.GetModule();
 140       if (module_sp) {
 141         AddressRange symbol_range(symbol_addr, m_opaque_ptr->GetByteSize());
 142         const bool prefer_file_cache = false;
 143         sb_instructions.SetDisassembler(Disassembler::DisassembleRange(
 144             module_sp->GetArchitecture(), nullptr, flavor_string, exe_ctx,
 145             symbol_range, prefer_file_cache));
 146       }
 147     }
 148   }
 149   return LLDB_RECORD_RESULT(sb_instructions);
 150 }
 151
 152 lldb_private::Symbol *SBSymbol::get() { return m_opaque_ptr; }
 153
 154 void SBSymbol::reset(lldb_private::Symbol *symbol) { m_opaque_ptr = symbol; }
 155
 156 SBAddress SBSymbol::GetStartAddress() {
 157   LLDB_RECORD_METHOD_NO_ARGS(lldb::SBAddress, SBSymbol, GetStartAddress);
 158
 159   SBAddress addr;
 160   if (m_opaque_ptr && m_opaque_ptr->ValueIsAddress()) {
 161     addr.SetAddress(&m_opaque_ptr->GetAddressRef());
 162   }
 163   return LLDB_RECORD_RESULT(addr);
 164 }
 165
 166 SBAddress SBSymbol::GetEndAddress() {
 167   LLDB_RECORD_METHOD_NO_ARGS(lldb::SBAddress, SBSymbol, GetEndAddress);
 168
 169   SBAddress addr;
 170   if (m_opaque_ptr && m_opaque_ptr->ValueIsAddress()) {
 171     lldb::addr_t range_size = m_opaque_ptr->GetByteSize();
 172     if (range_size > 0) {
 173       addr.SetAddress(&m_opaque_ptr->GetAddressRef());
 174       addr->Slide(m_opaque_ptr->GetByteSize());
 175     }
 176   }
 177   return LLDB_RECORD_RESULT(addr);
 178 }
 179
 180 uint32_t SBSymbol::GetPrologueByteSize() {
 181   LLDB_RECORD_METHOD_NO_ARGS(uint32_t, SBSymbol, GetPrologueByteSize);
 182
 183   if (m_opaque_ptr)
 184     return m_opaque_ptr->GetPrologueByteSize();
 185   return 0;
 186 }
 187
 188 SymbolType SBSymbol::GetType() {
 189   LLDB_RECORD_METHOD_NO_ARGS(lldb::SymbolType, SBSymbol, GetType);
 190
 191   if (m_opaque_ptr)
 192     return m_opaque_ptr->GetType();
 193   return eSymbolTypeInvalid;
 194 }
 195
 196 bool SBSymbol::IsExternal() {
 197   LLDB_RECORD_METHOD_NO_ARGS(bool, SBSymbol, IsExternal);
 198
 199   if (m_opaque_ptr)
 200     return m_opaque_ptr->IsExternal();
 201   return false;
 202 }
 203
 204 bool SBSymbol::IsSynthetic() {
 205   LLDB_RECORD_METHOD_NO_ARGS(bool, SBSymbol, IsSynthetic);
 206
 207   if (m_opaque_ptr)
 208     return m_opaque_ptr->IsSynthetic();
 209   return false;
 210 }
 211
 212 namespace lldb_private {
 213 namespace repro {
 214
 215 template <>
 216 void RegisterMethods<SBSymbol>(Registry &R) {
 217   LLDB_REGISTER_CONSTRUCTOR(SBSymbol, ());
 218   LLDB_REGISTER_CONSTRUCTOR(SBSymbol, (const lldb::SBSymbol &));
 219   LLDB_REGISTER_METHOD(const lldb::SBSymbol &,
 220                        SBSymbol, operator=,(const lldb::SBSymbol &));
 221   LLDB_REGISTER_METHOD_CONST(bool, SBSymbol, IsValid, ());
 222   LLDB_REGISTER_METHOD_CONST(bool, SBSymbol, operator bool, ());
 223   LLDB_REGISTER_METHOD_CONST(const char *, SBSymbol, GetName, ());
 224   LLDB_REGISTER_METHOD_CONST(const char *, SBSymbol, GetDisplayName, ());
 225   LLDB_REGISTER_METHOD_CONST(const char *, SBSymbol, GetMangledName, ());
 226   LLDB_REGISTER_METHOD_CONST(bool,
 227                              SBSymbol, operator==,(const lldb::SBSymbol &));
 228   LLDB_REGISTER_METHOD_CONST(bool,
 229                              SBSymbol, operator!=,(const lldb::SBSymbol &));
 230   LLDB_REGISTER_METHOD(bool, SBSymbol, GetDescription, (lldb::SBStream &));
 231   LLDB_REGISTER_METHOD(lldb::SBInstructionList, SBSymbol, GetInstructions,
 232                        (lldb::SBTarget));
 233   LLDB_REGISTER_METHOD(lldb::SBInstructionList, SBSymbol, GetInstructions,
 234                        (lldb::SBTarget, const char *));
 235   LLDB_REGISTER_METHOD(lldb::SBAddress, SBSymbol, GetStartAddress, ());
 236   LLDB_REGISTER_METHOD(lldb::SBAddress, SBSymbol, GetEndAddress, ());
 237   LLDB_REGISTER_METHOD(uint32_t, SBSymbol, GetPrologueByteSize, ());
 238   LLDB_REGISTER_METHOD(lldb::SymbolType, SBSymbol, GetType, ());
 239   LLDB_REGISTER_METHOD(bool, SBSymbol, IsExternal, ());
 240   LLDB_REGISTER_METHOD(bool, SBSymbol, IsSynthetic, ());
 241 }
 242
 243 }
 244 }