Author: Hemang Gadhavi Date: 2026-02-11T16:11:03+05:30 New Revision: 6b7dd97b1ff9a15b993eb81ab49d1048c312803b
URL: https://github.com/llvm/llvm-project/commit/6b7dd97b1ff9a15b993eb81ab49d1048c312803b DIFF: https://github.com/llvm/llvm-project/commit/6b7dd97b1ff9a15b993eb81ab49d1048c312803b.diff LOG: [lldb][AIX] Added RegisterInfo file for PPC64 (#165367) This PR is in reference to porting LLDB on AIX. Link to discussions on llvm discourse and github: 1. https://discourse.llvm.org/t/port-lldb-to-ibm-aix/80640 2. https://github.com/llvm/llvm-project/issues/101657 The complete changes for porting are present in this draft PR: https://github.com/llvm/llvm-project/pull/102601 - Added register information file for PPC64 big-endian architecture (used by AIX) Added: lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_ppc64.cpp lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_ppc64.h Modified: lldb/source/Plugins/Process/Utility/CMakeLists.txt Removed: ################################################################################ diff --git a/lldb/source/Plugins/Process/Utility/CMakeLists.txt b/lldb/source/Plugins/Process/Utility/CMakeLists.txt index 9148465607b7d..88e5353cd5a79 100644 --- a/lldb/source/Plugins/Process/Utility/CMakeLists.txt +++ b/lldb/source/Plugins/Process/Utility/CMakeLists.txt @@ -58,6 +58,7 @@ add_lldb_library(lldbPluginProcessUtility RegisterInfoPOSIX_arm64.cpp RegisterInfoPOSIX_loongarch64.cpp RegisterInfoPOSIX_ppc64le.cpp + RegisterInfoPOSIX_ppc64.cpp RegisterInfoPOSIX_riscv32.cpp RegisterInfoPOSIX_riscv64.cpp StopInfoMachException.cpp diff --git a/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_ppc64.cpp b/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_ppc64.cpp new file mode 100644 index 0000000000000..1550f00bea28e --- /dev/null +++ b/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_ppc64.cpp @@ -0,0 +1,61 @@ +//===-- RegisterInfoPOSIX_ppc64.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 <cassert> +#include <cstddef> +#include <vector> + +#include "lldb/lldb-defines.h" +#include "llvm/Support/Compiler.h" + +#include "RegisterInfoPOSIX_ppc64.h" + +// Include RegisterInfoPOSIX_ppc64 to declare our g_register_infos_ppc64 +#define DECLARE_REGISTER_INFOS_PPC64_STRUCT +#include "RegisterInfos_ppc64.h" +#undef DECLARE_REGISTER_INFOS_PPC64_STRUCT + +static const lldb_private::RegisterInfo * +GetRegisterInfoPtr(const lldb_private::ArchSpec &target_arch) { + switch (target_arch.GetMachine()) { + case llvm::Triple::ppc64: + return g_register_infos_ppc64; + default: + assert(false && "Unhandled target architecture."); + return nullptr; + } +} + +static uint32_t +GetRegisterInfoCount(const lldb_private::ArchSpec &target_arch) { + switch (target_arch.GetMachine()) { + case llvm::Triple::ppc64: + return static_cast<uint32_t>(sizeof(g_register_infos_ppc64) / + sizeof(g_register_infos_ppc64[0])); + default: + assert(false && "Unhandled target architecture."); + return 0; + } +} + +RegisterInfoPOSIX_ppc64::RegisterInfoPOSIX_ppc64( + const lldb_private::ArchSpec &target_arch) + : lldb_private::RegisterInfoInterface(target_arch), + m_register_info_p(GetRegisterInfoPtr(target_arch)), + m_register_info_count(GetRegisterInfoCount(target_arch)) {} + +size_t RegisterInfoPOSIX_ppc64::GetGPRSize() const { return sizeof(GPR_PPC64); } + +const lldb_private::RegisterInfo * +RegisterInfoPOSIX_ppc64::GetRegisterInfo() const { + return m_register_info_p; +} + +uint32_t RegisterInfoPOSIX_ppc64::GetRegisterCount() const { + return m_register_info_count; +} diff --git a/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_ppc64.h b/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_ppc64.h new file mode 100644 index 0000000000000..4805883e5b848 --- /dev/null +++ b/lldb/source/Plugins/Process/Utility/RegisterInfoPOSIX_ppc64.h @@ -0,0 +1,31 @@ +//===-- RegisterInfoPOSIX_ppc64.h -------------------------------*- 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 +// +//===----------------------------------------------------------------------===// + +#ifndef LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERINFOPOSIX_PPC64_H +#define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERINFOPOSIX_PPC64_H + +#include "RegisterInfoInterface.h" +#include "lldb/Target/RegisterContext.h" +#include "lldb/lldb-private.h" + +class RegisterInfoPOSIX_ppc64 : public lldb_private::RegisterInfoInterface { +public: + RegisterInfoPOSIX_ppc64(const lldb_private::ArchSpec &target_arch); + + size_t GetGPRSize() const override; + + const lldb_private::RegisterInfo *GetRegisterInfo() const override; + + uint32_t GetRegisterCount() const override; + +private: + const lldb_private::RegisterInfo *m_register_info_p; + uint32_t m_register_info_count; +}; + +#endif // #ifndef LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_REGISTERINFOPOSIX_PPC64_H _______________________________________________ lldb-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
