diff options
Diffstat (limited to 'contrib/llvm-project/lldb/source/API/SBInstructionList.cpp')
| -rw-r--r-- | contrib/llvm-project/lldb/source/API/SBInstructionList.cpp | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/API/SBInstructionList.cpp b/contrib/llvm-project/lldb/source/API/SBInstructionList.cpp new file mode 100644 index 000000000000..cce923bf04a4 --- /dev/null +++ b/contrib/llvm-project/lldb/source/API/SBInstructionList.cpp @@ -0,0 +1,210 @@ +//===-- SBInstructionList.cpp -----------------------------------*- C++ -*-===// +// +// 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/SBInstructionList.h" +#include "SBReproducerPrivate.h" +#include "lldb/API/SBAddress.h" +#include "lldb/API/SBInstruction.h" +#include "lldb/API/SBStream.h" +#include "lldb/Core/Disassembler.h" +#include "lldb/Core/Module.h" +#include "lldb/Symbol/SymbolContext.h" +#include "lldb/Utility/Stream.h" + +using namespace lldb; +using namespace lldb_private; + +SBInstructionList::SBInstructionList() : m_opaque_sp() { + LLDB_RECORD_CONSTRUCTOR_NO_ARGS(SBInstructionList); +} + +SBInstructionList::SBInstructionList(const SBInstructionList &rhs) + : m_opaque_sp(rhs.m_opaque_sp) { + LLDB_RECORD_CONSTRUCTOR(SBInstructionList, (const lldb::SBInstructionList &), + rhs); +} + +const SBInstructionList &SBInstructionList:: +operator=(const SBInstructionList &rhs) { + LLDB_RECORD_METHOD( + const lldb::SBInstructionList &, + SBInstructionList, operator=,(const lldb::SBInstructionList &), rhs); + + if (this != &rhs) + m_opaque_sp = rhs.m_opaque_sp; + return LLDB_RECORD_RESULT(*this); +} + +SBInstructionList::~SBInstructionList() {} + +bool SBInstructionList::IsValid() const { + LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBInstructionList, IsValid); + return this->operator bool(); +} +SBInstructionList::operator bool() const { + LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBInstructionList, operator bool); + + return m_opaque_sp.get() != nullptr; +} + +size_t SBInstructionList::GetSize() { + LLDB_RECORD_METHOD_NO_ARGS(size_t, SBInstructionList, GetSize); + + if (m_opaque_sp) + return m_opaque_sp->GetInstructionList().GetSize(); + return 0; +} + +SBInstruction SBInstructionList::GetInstructionAtIndex(uint32_t idx) { + LLDB_RECORD_METHOD(lldb::SBInstruction, SBInstructionList, + GetInstructionAtIndex, (uint32_t), idx); + + SBInstruction inst; + if (m_opaque_sp && idx < m_opaque_sp->GetInstructionList().GetSize()) + inst.SetOpaque( + m_opaque_sp, + m_opaque_sp->GetInstructionList().GetInstructionAtIndex(idx)); + return LLDB_RECORD_RESULT(inst); +} + +size_t SBInstructionList::GetInstructionsCount(const SBAddress &start, + const SBAddress &end, + bool canSetBreakpoint) { + LLDB_RECORD_METHOD(size_t, SBInstructionList, GetInstructionsCount, + (const lldb::SBAddress &, const lldb::SBAddress &, bool), + start, end, canSetBreakpoint); + + size_t num_instructions = GetSize(); + size_t i = 0; + SBAddress addr; + size_t lower_index = 0; + size_t upper_index = 0; + size_t instructions_to_skip = 0; + for (i = 0; i < num_instructions; ++i) { + addr = GetInstructionAtIndex(i).GetAddress(); + if (start == addr) + lower_index = i; + if (end == addr) + upper_index = i; + } + if (canSetBreakpoint) + for (i = lower_index; i <= upper_index; ++i) { + SBInstruction insn = GetInstructionAtIndex(i); + if (!insn.CanSetBreakpoint()) + ++instructions_to_skip; + } + return upper_index - lower_index - instructions_to_skip; +} + +void SBInstructionList::Clear() { + LLDB_RECORD_METHOD_NO_ARGS(void, SBInstructionList, Clear); + + m_opaque_sp.reset(); +} + +void SBInstructionList::AppendInstruction(SBInstruction insn) { + LLDB_RECORD_METHOD(void, SBInstructionList, AppendInstruction, + (lldb::SBInstruction), insn); +} + +void SBInstructionList::SetDisassembler(const lldb::DisassemblerSP &opaque_sp) { + m_opaque_sp = opaque_sp; +} + +void SBInstructionList::Print(FILE *out) { + LLDB_RECORD_METHOD(void, SBInstructionList, Print, (FILE *), out); + + if (out == nullptr) + return; +} + +bool SBInstructionList::GetDescription(lldb::SBStream &description) { + LLDB_RECORD_METHOD(bool, SBInstructionList, GetDescription, + (lldb::SBStream &), description); + + if (m_opaque_sp) { + size_t num_instructions = GetSize(); + if (num_instructions) { + // Call the ref() to make sure a stream is created if one deesn't exist + // already inside description... + Stream &sref = description.ref(); + const uint32_t max_opcode_byte_size = + m_opaque_sp->GetInstructionList().GetMaxOpcocdeByteSize(); + FormatEntity::Entry format; + FormatEntity::Parse("${addr}: ", format); + SymbolContext sc; + SymbolContext prev_sc; + for (size_t i = 0; i < num_instructions; ++i) { + Instruction *inst = + m_opaque_sp->GetInstructionList().GetInstructionAtIndex(i).get(); + if (inst == nullptr) + break; + + const Address &addr = inst->GetAddress(); + prev_sc = sc; + ModuleSP module_sp(addr.GetModule()); + if (module_sp) { + module_sp->ResolveSymbolContextForAddress( + addr, eSymbolContextEverything, sc); + } + + inst->Dump(&sref, max_opcode_byte_size, true, false, nullptr, &sc, + &prev_sc, &format, 0); + sref.EOL(); + } + return true; + } + } + return false; +} + +bool SBInstructionList::DumpEmulationForAllInstructions(const char *triple) { + LLDB_RECORD_METHOD(bool, SBInstructionList, DumpEmulationForAllInstructions, + (const char *), triple); + + if (m_opaque_sp) { + size_t len = GetSize(); + for (size_t i = 0; i < len; ++i) { + if (!GetInstructionAtIndex((uint32_t)i).DumpEmulation(triple)) + return false; + } + } + return true; +} + +namespace lldb_private { +namespace repro { + +template <> +void RegisterMethods<SBInstructionList>(Registry &R) { + LLDB_REGISTER_CONSTRUCTOR(SBInstructionList, ()); + LLDB_REGISTER_CONSTRUCTOR(SBInstructionList, + (const lldb::SBInstructionList &)); + LLDB_REGISTER_METHOD( + const lldb::SBInstructionList &, + SBInstructionList, operator=,(const lldb::SBInstructionList &)); + LLDB_REGISTER_METHOD_CONST(bool, SBInstructionList, IsValid, ()); + LLDB_REGISTER_METHOD_CONST(bool, SBInstructionList, operator bool, ()); + LLDB_REGISTER_METHOD(size_t, SBInstructionList, GetSize, ()); + LLDB_REGISTER_METHOD(lldb::SBInstruction, SBInstructionList, + GetInstructionAtIndex, (uint32_t)); + LLDB_REGISTER_METHOD( + size_t, SBInstructionList, GetInstructionsCount, + (const lldb::SBAddress &, const lldb::SBAddress &, bool)); + LLDB_REGISTER_METHOD(void, SBInstructionList, Clear, ()); + LLDB_REGISTER_METHOD(void, SBInstructionList, AppendInstruction, + (lldb::SBInstruction)); + LLDB_REGISTER_METHOD(void, SBInstructionList, Print, (FILE *)); + LLDB_REGISTER_METHOD(bool, SBInstructionList, GetDescription, + (lldb::SBStream &)); + LLDB_REGISTER_METHOD(bool, SBInstructionList, + DumpEmulationForAllInstructions, (const char *)); +} + +} +} |