================ @@ -0,0 +1,128 @@ +//===----------------------------------------------------------------------===// +// +// 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 "RegisterContextWasm.h" +#include "Plugins/Process/gdb-remote/GDBRemoteRegisterContext.h" +#include "ProcessWasm.h" +#include "ThreadWasm.h" +#include "lldb/Utility/LLDBLog.h" +#include "lldb/Utility/Log.h" +#include "lldb/Utility/RegisterValue.h" +#include "llvm/Support/Error.h" +#include <memory> + +using namespace lldb; +using namespace lldb_private; +using namespace lldb_private::process_gdb_remote; +using namespace lldb_private::wasm; + +RegisterContextWasm::RegisterContextWasm( + wasm::ThreadWasm &thread, uint32_t concrete_frame_idx, + GDBRemoteDynamicRegisterInfoSP reg_info_sp) + : GDBRemoteRegisterContext(thread, concrete_frame_idx, reg_info_sp, false, + false) {} + +RegisterContextWasm::~RegisterContextWasm() = default; + +uint32_t RegisterContextWasm::ConvertRegisterKindToRegisterNumber( + lldb::RegisterKind kind, uint32_t num) { + return num; +} + +size_t RegisterContextWasm::GetRegisterCount() { return 0; } + +const RegisterInfo *RegisterContextWasm::GetRegisterInfoAtIndex(size_t reg) { + uint32_t tag = (reg >> kTagShift) & kTagMask; + if (tag == WasmVirtualRegisterKinds::eNotAWasmLocation) + return m_reg_info_sp->GetRegisterInfoAtIndex(reg & kIndexMask); + + auto it = m_register_map.find(reg); + if (it == m_register_map.end()) { + WasmVirtualRegisterKinds kind = static_cast<WasmVirtualRegisterKinds>(tag); + std::tie(it, std::ignore) = m_register_map.insert( + {reg, + std::make_unique<WasmVirtualRegisterInfo>(kind, reg & kIndexMask)}); + } + return it->second.get(); +} + +size_t RegisterContextWasm::GetRegisterSetCount() { return 0; } + +const RegisterSet *RegisterContextWasm::GetRegisterSet(size_t reg_set) { + return nullptr; +} + +bool RegisterContextWasm::ReadRegister(const RegisterInfo *reg_info, + RegisterValue &value) { + if (reg_info->name) + return GDBRemoteRegisterContext::ReadRegister(reg_info, value); ---------------- DavidSpickett wrote:
What ends up here then? Would this just be reads of "pc"? Or can you get here by reading the runtime's host's registers? https://github.com/llvm/llvm-project/pull/151056 _______________________________________________ lldb-commits mailing list lldb-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
