diff options
Diffstat (limited to 'contrib/llvm-project/lldb/source/API/SBFunction.cpp')
-rw-r--r-- | contrib/llvm-project/lldb/source/API/SBFunction.cpp | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/API/SBFunction.cpp b/contrib/llvm-project/lldb/source/API/SBFunction.cpp new file mode 100644 index 000000000000..6a97352fc2c2 --- /dev/null +++ b/contrib/llvm-project/lldb/source/API/SBFunction.cpp @@ -0,0 +1,245 @@ +//===-- SBFunction.cpp ----------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#include "lldb/API/SBFunction.h" +#include "lldb/API/SBAddressRange.h" +#include "lldb/API/SBProcess.h" +#include "lldb/API/SBStream.h" +#include "lldb/Core/Disassembler.h" +#include "lldb/Core/Module.h" +#include "lldb/Symbol/CompileUnit.h" +#include "lldb/Symbol/Function.h" +#include "lldb/Symbol/Type.h" +#include "lldb/Symbol/VariableList.h" +#include "lldb/Target/ExecutionContext.h" +#include "lldb/Target/Target.h" +#include "lldb/Utility/Instrumentation.h" + +using namespace lldb; +using namespace lldb_private; + +SBFunction::SBFunction() { LLDB_INSTRUMENT_VA(this); } + +SBFunction::SBFunction(lldb_private::Function *lldb_object_ptr) + : m_opaque_ptr(lldb_object_ptr) {} + +SBFunction::SBFunction(const lldb::SBFunction &rhs) + : m_opaque_ptr(rhs.m_opaque_ptr) { + LLDB_INSTRUMENT_VA(this, rhs); +} + +const SBFunction &SBFunction::operator=(const SBFunction &rhs) { + LLDB_INSTRUMENT_VA(this, rhs); + + m_opaque_ptr = rhs.m_opaque_ptr; + return *this; +} + +SBFunction::~SBFunction() { m_opaque_ptr = nullptr; } + +bool SBFunction::IsValid() const { + LLDB_INSTRUMENT_VA(this); + return this->operator bool(); +} +SBFunction::operator bool() const { + LLDB_INSTRUMENT_VA(this); + + return m_opaque_ptr != nullptr; +} + +const char *SBFunction::GetName() const { + LLDB_INSTRUMENT_VA(this); + + if (m_opaque_ptr) + return m_opaque_ptr->GetName().AsCString(); + + return nullptr; +} + +const char *SBFunction::GetDisplayName() const { + LLDB_INSTRUMENT_VA(this); + + if (m_opaque_ptr) + return m_opaque_ptr->GetMangled().GetDisplayDemangledName().AsCString(); + + return nullptr; +} + +const char *SBFunction::GetMangledName() const { + LLDB_INSTRUMENT_VA(this); + + if (m_opaque_ptr) + return m_opaque_ptr->GetMangled().GetMangledName().AsCString(); + return nullptr; +} + +bool SBFunction::operator==(const SBFunction &rhs) const { + LLDB_INSTRUMENT_VA(this, rhs); + + return m_opaque_ptr == rhs.m_opaque_ptr; +} + +bool SBFunction::operator!=(const SBFunction &rhs) const { + LLDB_INSTRUMENT_VA(this, rhs); + + return m_opaque_ptr != rhs.m_opaque_ptr; +} + +bool SBFunction::GetDescription(SBStream &s) { + LLDB_INSTRUMENT_VA(this, s); + + if (m_opaque_ptr) { + s.Printf("SBFunction: id = 0x%8.8" PRIx64 ", name = %s", + m_opaque_ptr->GetID(), m_opaque_ptr->GetName().AsCString()); + Type *func_type = m_opaque_ptr->GetType(); + if (func_type) + s.Printf(", type = %s", func_type->GetName().AsCString()); + return true; + } + s.Printf("No value"); + return false; +} + +SBInstructionList SBFunction::GetInstructions(SBTarget target) { + LLDB_INSTRUMENT_VA(this, target); + + return GetInstructions(target, nullptr); +} + +SBInstructionList SBFunction::GetInstructions(SBTarget target, + const char *flavor) { + LLDB_INSTRUMENT_VA(this, target, flavor); + + SBInstructionList sb_instructions; + if (m_opaque_ptr) { + TargetSP target_sp(target.GetSP()); + std::unique_lock<std::recursive_mutex> lock; + ModuleSP module_sp( + m_opaque_ptr->GetAddressRange().GetBaseAddress().GetModule()); + if (target_sp && module_sp) { + lock = std::unique_lock<std::recursive_mutex>(target_sp->GetAPIMutex()); + const bool force_live_memory = true; + sb_instructions.SetDisassembler(Disassembler::DisassembleRange( + module_sp->GetArchitecture(), nullptr, flavor, *target_sp, + m_opaque_ptr->GetAddressRange(), force_live_memory)); + } + } + return sb_instructions; +} + +lldb_private::Function *SBFunction::get() { return m_opaque_ptr; } + +void SBFunction::reset(lldb_private::Function *lldb_object_ptr) { + m_opaque_ptr = lldb_object_ptr; +} + +SBAddress SBFunction::GetStartAddress() { + LLDB_INSTRUMENT_VA(this); + + SBAddress addr; + if (m_opaque_ptr) + addr.SetAddress(m_opaque_ptr->GetAddressRange().GetBaseAddress()); + return addr; +} + +SBAddress SBFunction::GetEndAddress() { + LLDB_INSTRUMENT_VA(this); + + SBAddress addr; + if (m_opaque_ptr) { + addr_t byte_size = m_opaque_ptr->GetAddressRange().GetByteSize(); + if (byte_size > 0) { + addr.SetAddress(m_opaque_ptr->GetAddressRange().GetBaseAddress()); + addr->Slide(byte_size); + } + } + return addr; +} + +lldb::SBAddressRangeList SBFunction::GetRanges() { + LLDB_INSTRUMENT_VA(this); + + lldb::SBAddressRangeList ranges; + if (m_opaque_ptr) { + lldb::SBAddressRange range; + (*range.m_opaque_up) = m_opaque_ptr->GetAddressRange(); + ranges.Append(std::move(range)); + } + + return ranges; +} + +const char *SBFunction::GetArgumentName(uint32_t arg_idx) { + LLDB_INSTRUMENT_VA(this, arg_idx); + + if (!m_opaque_ptr) + return nullptr; + + Block &block = m_opaque_ptr->GetBlock(true); + VariableListSP variable_list_sp = block.GetBlockVariableList(true); + if (!variable_list_sp) + return nullptr; + + VariableList arguments; + variable_list_sp->AppendVariablesWithScope(eValueTypeVariableArgument, + arguments, true); + lldb::VariableSP variable_sp = arguments.GetVariableAtIndex(arg_idx); + if (!variable_sp) + return nullptr; + + return variable_sp->GetName().GetCString(); +} + +uint32_t SBFunction::GetPrologueByteSize() { + LLDB_INSTRUMENT_VA(this); + + if (m_opaque_ptr) + return m_opaque_ptr->GetPrologueByteSize(); + return 0; +} + +SBType SBFunction::GetType() { + LLDB_INSTRUMENT_VA(this); + + SBType sb_type; + if (m_opaque_ptr) { + Type *function_type = m_opaque_ptr->GetType(); + if (function_type) + sb_type.ref().SetType(function_type->shared_from_this()); + } + return sb_type; +} + +SBBlock SBFunction::GetBlock() { + LLDB_INSTRUMENT_VA(this); + + SBBlock sb_block; + if (m_opaque_ptr) + sb_block.SetPtr(&m_opaque_ptr->GetBlock(true)); + return sb_block; +} + +lldb::LanguageType SBFunction::GetLanguage() { + LLDB_INSTRUMENT_VA(this); + + if (m_opaque_ptr) { + if (m_opaque_ptr->GetCompileUnit()) + return m_opaque_ptr->GetCompileUnit()->GetLanguage(); + } + return lldb::eLanguageTypeUnknown; +} + +bool SBFunction::GetIsOptimized() { + LLDB_INSTRUMENT_VA(this); + + if (m_opaque_ptr) { + if (m_opaque_ptr->GetCompileUnit()) + return m_opaque_ptr->GetCompileUnit()->GetIsOptimized(); + } + return false; +} |