https://github.com/HemangGadhavi updated https://github.com/llvm/llvm-project/pull/173239
>From 522fa9a5c07c1a2ae0384e4ff0b572244ec03803 Mon Sep 17 00:00:00 2001 From: HemangGadhavi <[email protected]> Date: Mon, 22 Dec 2025 04:09:53 -0600 Subject: [PATCH] [lldb][AIX] Added base file for AIX Register Context PPC64 --- .../source/Plugins/Process/AIX/CMakeLists.txt | 1 + .../AIX/NativeRegisterContextAIX_ppc64.cpp | 169 ++++++++++++++++++ .../AIX/NativeRegisterContextAIX_ppc64.h | 64 +++++++ .../Utility/lldb-ppc64-register-enums.h | 68 +++++++ 4 files changed, 302 insertions(+) create mode 100644 lldb/source/Plugins/Process/AIX/NativeRegisterContextAIX_ppc64.cpp create mode 100644 lldb/source/Plugins/Process/AIX/NativeRegisterContextAIX_ppc64.h diff --git a/lldb/source/Plugins/Process/AIX/CMakeLists.txt b/lldb/source/Plugins/Process/AIX/CMakeLists.txt index 3a6d9ec118e60..f1f9121822736 100644 --- a/lldb/source/Plugins/Process/AIX/CMakeLists.txt +++ b/lldb/source/Plugins/Process/AIX/CMakeLists.txt @@ -2,6 +2,7 @@ add_lldb_library(lldbPluginProcessAIX NativeProcessAIX.cpp NativeThreadAIX.cpp NativeRegisterContextAIX.cpp + NativeRegisterContextAIX_ppc64.cpp LINK_COMPONENTS Support diff --git a/lldb/source/Plugins/Process/AIX/NativeRegisterContextAIX_ppc64.cpp b/lldb/source/Plugins/Process/AIX/NativeRegisterContextAIX_ppc64.cpp new file mode 100644 index 0000000000000..aba785753055c --- /dev/null +++ b/lldb/source/Plugins/Process/AIX/NativeRegisterContextAIX_ppc64.cpp @@ -0,0 +1,169 @@ +//===------ NativeRegisterContextAIX_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 +// +//===----------------------------------------------------------------------===// + +#if defined(__powerpc64__) + +#include "NativeRegisterContextAIX_ppc64.h" + +using namespace lldb; +using namespace lldb_private; +using namespace lldb_private::process_aix; + +static const uint32_t g_gpr_regnums_ppc64[] = { + gpr_r0_ppc64, gpr_r1_ppc64, gpr_r2_ppc64, gpr_r3_ppc64, + gpr_r4_ppc64, gpr_r5_ppc64, gpr_r6_ppc64, gpr_r7_ppc64, + gpr_r8_ppc64, gpr_r9_ppc64, gpr_r10_ppc64, gpr_r11_ppc64, + gpr_r12_ppc64, gpr_r13_ppc64, gpr_r14_ppc64, gpr_r15_ppc64, + gpr_r16_ppc64, gpr_r17_ppc64, gpr_r18_ppc64, gpr_r19_ppc64, + gpr_r20_ppc64, gpr_r21_ppc64, gpr_r22_ppc64, gpr_r23_ppc64, + gpr_r24_ppc64, gpr_r25_ppc64, gpr_r26_ppc64, gpr_r27_ppc64, + gpr_r28_ppc64, gpr_r29_ppc64, gpr_r30_ppc64, gpr_r31_ppc64, + gpr_cr_ppc64, gpr_msr_ppc64, gpr_xer_ppc64, gpr_lr_ppc64, + gpr_ctr_ppc64, gpr_pc_ppc64, + LLDB_INVALID_REGNUM // register sets need to end with this flag +}; + +static const uint32_t g_fpr_regnums_ppc64[] = { + fpr_f0_ppc64, fpr_f1_ppc64, fpr_f2_ppc64, fpr_f3_ppc64, + fpr_f4_ppc64, fpr_f5_ppc64, fpr_f6_ppc64, fpr_f7_ppc64, + fpr_f8_ppc64, fpr_f9_ppc64, fpr_f10_ppc64, fpr_f11_ppc64, + fpr_f12_ppc64, fpr_f13_ppc64, fpr_f14_ppc64, fpr_f15_ppc64, + fpr_f16_ppc64, fpr_f17_ppc64, fpr_f18_ppc64, fpr_f19_ppc64, + fpr_f20_ppc64, fpr_f21_ppc64, fpr_f22_ppc64, fpr_f23_ppc64, + fpr_f24_ppc64, fpr_f25_ppc64, fpr_f26_ppc64, fpr_f27_ppc64, + fpr_f28_ppc64, fpr_f29_ppc64, fpr_f30_ppc64, fpr_f31_ppc64, + fpr_fpscr_ppc64, + LLDB_INVALID_REGNUM // register sets need to end with this flag +}; + +static const uint32_t g_vmx_regnums_ppc64[] = { + vmx_vr0_ppc64, vmx_vr1_ppc64, vmx_vr2_ppc64, vmx_vr3_ppc64, + vmx_vr4_ppc64, vmx_vr5_ppc64, vmx_vr6_ppc64, vmx_vr7_ppc64, + vmx_vr8_ppc64, vmx_vr9_ppc64, vmx_vr10_ppc64, vmx_vr11_ppc64, + vmx_vr12_ppc64, vmx_vr13_ppc64, vmx_vr14_ppc64, vmx_vr15_ppc64, + vmx_vr16_ppc64, vmx_vr17_ppc64, vmx_vr18_ppc64, vmx_vr19_ppc64, + vmx_vr20_ppc64, vmx_vr21_ppc64, vmx_vr22_ppc64, vmx_vr23_ppc64, + vmx_vr24_ppc64, vmx_vr25_ppc64, vmx_vr26_ppc64, vmx_vr27_ppc64, + vmx_vr28_ppc64, vmx_vr29_ppc64, vmx_vr30_ppc64, vmx_vr31_ppc64, + vmx_vscr_ppc64, vmx_vrsave_ppc64, + LLDB_INVALID_REGNUM // register sets need to end with this flag +}; + +static const uint32_t g_vsx_regnums_ppc64[] = { + vsx_vs0_ppc64, vsx_vs1_ppc64, vsx_vs2_ppc64, vsx_vs3_ppc64, + vsx_vs4_ppc64, vsx_vs5_ppc64, vsx_vs6_ppc64, vsx_vs7_ppc64, + vsx_vs8_ppc64, vsx_vs9_ppc64, vsx_vs10_ppc64, vsx_vs11_ppc64, + vsx_vs12_ppc64, vsx_vs13_ppc64, vsx_vs14_ppc64, vsx_vs15_ppc64, + vsx_vs16_ppc64, vsx_vs17_ppc64, vsx_vs18_ppc64, vsx_vs19_ppc64, + vsx_vs20_ppc64, vsx_vs21_ppc64, vsx_vs22_ppc64, vsx_vs23_ppc64, + vsx_vs24_ppc64, vsx_vs25_ppc64, vsx_vs26_ppc64, vsx_vs27_ppc64, + vsx_vs28_ppc64, vsx_vs29_ppc64, vsx_vs30_ppc64, vsx_vs31_ppc64, + vsx_vs32_ppc64, vsx_vs33_ppc64, vsx_vs34_ppc64, vsx_vs35_ppc64, + vsx_vs36_ppc64, vsx_vs37_ppc64, vsx_vs38_ppc64, vsx_vs39_ppc64, + vsx_vs40_ppc64, vsx_vs41_ppc64, vsx_vs42_ppc64, vsx_vs43_ppc64, + vsx_vs44_ppc64, vsx_vs45_ppc64, vsx_vs46_ppc64, vsx_vs47_ppc64, + vsx_vs48_ppc64, vsx_vs49_ppc64, vsx_vs50_ppc64, vsx_vs51_ppc64, + vsx_vs52_ppc64, vsx_vs53_ppc64, vsx_vs54_ppc64, vsx_vs55_ppc64, + vsx_vs56_ppc64, vsx_vs57_ppc64, vsx_vs58_ppc64, vsx_vs59_ppc64, + vsx_vs60_ppc64, vsx_vs61_ppc64, vsx_vs62_ppc64, vsx_vs63_ppc64, + LLDB_INVALID_REGNUM // register sets need to end with this flag +}; + +// Number of register sets provided by this context. +static constexpr int k_num_register_sets = 4; + +static const RegisterSet g_reg_sets_ppc64[k_num_register_sets] = { + {"General Purpose Registers", "gpr", k_num_gpr_registers_ppc64, + g_gpr_regnums_ppc64}, + {"Floating Point Registers", "fpr", k_num_fpr_registers_ppc64, + g_fpr_regnums_ppc64}, + {"AltiVec/VMX Registers", "vmx", k_num_vmx_registers_ppc64, + g_vmx_regnums_ppc64}, + {"VSX Registers", "vsx", k_num_vsx_registers_ppc64, g_vsx_regnums_ppc64}, +}; + +NativeRegisterContextAIX_ppc64::NativeRegisterContextAIX_ppc64( + const ArchSpec &target_arch, NativeThreadProtocol &native_thread) + : NativeRegisterContextAIX(native_thread) { + if (target_arch.GetMachine() != llvm::Triple::ppc64) + llvm_unreachable("Unhandled target architecture."); +} + +uint32_t NativeRegisterContextAIX_ppc64::GetRegisterSetCount() const { + return k_num_register_sets; +} + +const RegisterSet * +NativeRegisterContextAIX_ppc64::GetRegisterSet(uint32_t set_index) const { + if (set_index < k_num_register_sets) + return &g_reg_sets_ppc64[set_index]; + + return nullptr; +} + +uint32_t NativeRegisterContextAIX_ppc64::GetUserRegisterCount() const { + uint32_t count = 0; + for (uint32_t set_index = 0; set_index < k_num_register_sets; ++set_index) + count += g_reg_sets_ppc64[set_index].num_registers; + return count; +} + +Status +NativeRegisterContextAIX_ppc64::ReadRegister(const RegisterInfo *reg_info, + RegisterValue ®_value) { + return Status("unimplemented"); +} + +Status +NativeRegisterContextAIX_ppc64::WriteRegister(const RegisterInfo *reg_info, + const RegisterValue ®_value) { + return Status("unimplemented"); +} + +Status NativeRegisterContextAIX_ppc64::ReadAllRegisterValues( + lldb::WritableDataBufferSP &data_sp) { + return Status("unimplemented"); +} + +Status NativeRegisterContextAIX_ppc64::WriteAllRegisterValues( + const lldb::DataBufferSP &data_sp) { + return Status("unimplemented"); +} + +bool NativeRegisterContextAIX_ppc64::IsGPR(unsigned reg) const { + return reg <= k_last_gpr_ppc64; +} + +bool NativeRegisterContextAIX_ppc64::IsFPR(unsigned reg) const { + return (k_first_fpr_ppc64 <= reg && reg <= k_last_fpr_ppc64); +} + +bool NativeRegisterContextAIX_ppc64::IsVMX(unsigned reg) const { + return (reg >= k_first_vmx_ppc64) && (reg <= k_last_vmx_ppc64); +} + +bool NativeRegisterContextAIX_ppc64::IsVSX(unsigned reg) const { + return (reg >= k_first_vsx_ppc64) && (reg <= k_last_vsx_ppc64); +} + +uint32_t NativeRegisterContextAIX_ppc64::CalculateFprOffset( + const RegisterInfo *reg_info) const { + return 0; +} + +uint32_t NativeRegisterContextAIX_ppc64::CalculateVmxOffset( + const RegisterInfo *reg_info) const { + return 0; +} + +uint32_t NativeRegisterContextAIX_ppc64::CalculateVsxOffset( + const RegisterInfo *reg_info) const { + return 0; +} + +#endif // defined(__powerpc64__) diff --git a/lldb/source/Plugins/Process/AIX/NativeRegisterContextAIX_ppc64.h b/lldb/source/Plugins/Process/AIX/NativeRegisterContextAIX_ppc64.h new file mode 100644 index 0000000000000..77f75777737d1 --- /dev/null +++ b/lldb/source/Plugins/Process/AIX/NativeRegisterContextAIX_ppc64.h @@ -0,0 +1,64 @@ +//===------ NativeRegisterContextAIX_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 +// +//===----------------------------------------------------------------------===// + +#if defined(__powerpc64__) + +#ifndef LLDB_SOURCE_PLUGINS_PROCESS_AIX_NATIVEREGISTERCONTEXTAIX_PPC64_H +#define LLDB_SOURCE_PLUGINS_PROCESS_AIX_NATIVEREGISTERCONTEXTAIX_PPC64_H + +#include "Plugins/Process/AIX/NativeRegisterContextAIX.h" +#include "Plugins/Process/Utility/lldb-ppc64-register-enums.h" + +namespace lldb_private { +namespace process_aix { + +class NativeProcessAIX; + +class NativeRegisterContextAIX_ppc64 : public NativeRegisterContextAIX { +public: + NativeRegisterContextAIX_ppc64(const ArchSpec &target_arch, + NativeThreadProtocol &native_thread); + + uint32_t GetRegisterSetCount() const override; + + uint32_t GetUserRegisterCount() const override; + + const RegisterSet *GetRegisterSet(uint32_t set_index) const override; + + Status ReadRegister(const RegisterInfo *reg_info, + RegisterValue ®_value) override; + + Status WriteRegister(const RegisterInfo *reg_info, + const RegisterValue ®_value) override; + + Status ReadAllRegisterValues(lldb::WritableDataBufferSP &data_sp) override; + + Status WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override; + +private: + bool IsGPR(unsigned reg) const; + + bool IsFPR(unsigned reg) const; + + bool IsVMX(unsigned reg) const; + + bool IsVSX(unsigned reg) const; + + uint32_t CalculateFprOffset(const RegisterInfo *reg_info) const; + + uint32_t CalculateVmxOffset(const RegisterInfo *reg_info) const; + + uint32_t CalculateVsxOffset(const RegisterInfo *reg_info) const; +}; + +} // namespace process_aix +} // namespace lldb_private + +#endif // #ifndef LLDB_SOURCE_PLUGINS_PROCESS_AIX_NATIVEREGISTERCONTEXTAIX_H + +#endif // defined(__powerpc64__) diff --git a/lldb/source/Plugins/Process/Utility/lldb-ppc64-register-enums.h b/lldb/source/Plugins/Process/Utility/lldb-ppc64-register-enums.h index 40a75c006d843..19525b2c4ee34 100644 --- a/lldb/source/Plugins/Process/Utility/lldb-ppc64-register-enums.h +++ b/lldb/source/Plugins/Process/Utility/lldb-ppc64-register-enums.h @@ -127,10 +127,78 @@ enum { vmx_vrsave_ppc64, k_last_vmx_ppc64 = vmx_vrsave_ppc64, + k_first_vsx_ppc64, + vsx_vs0_ppc64 = k_first_vsx_ppc64, + vsx_vs1_ppc64, + vsx_vs2_ppc64, + vsx_vs3_ppc64, + vsx_vs4_ppc64, + vsx_vs5_ppc64, + vsx_vs6_ppc64, + vsx_vs7_ppc64, + vsx_vs8_ppc64, + vsx_vs9_ppc64, + vsx_vs10_ppc64, + vsx_vs11_ppc64, + vsx_vs12_ppc64, + vsx_vs13_ppc64, + vsx_vs14_ppc64, + vsx_vs15_ppc64, + vsx_vs16_ppc64, + vsx_vs17_ppc64, + vsx_vs18_ppc64, + vsx_vs19_ppc64, + vsx_vs20_ppc64, + vsx_vs21_ppc64, + vsx_vs22_ppc64, + vsx_vs23_ppc64, + vsx_vs24_ppc64, + vsx_vs25_ppc64, + vsx_vs26_ppc64, + vsx_vs27_ppc64, + vsx_vs28_ppc64, + vsx_vs29_ppc64, + vsx_vs30_ppc64, + vsx_vs31_ppc64, + vsx_vs32_ppc64, + vsx_vs33_ppc64, + vsx_vs34_ppc64, + vsx_vs35_ppc64, + vsx_vs36_ppc64, + vsx_vs37_ppc64, + vsx_vs38_ppc64, + vsx_vs39_ppc64, + vsx_vs40_ppc64, + vsx_vs41_ppc64, + vsx_vs42_ppc64, + vsx_vs43_ppc64, + vsx_vs44_ppc64, + vsx_vs45_ppc64, + vsx_vs46_ppc64, + vsx_vs47_ppc64, + vsx_vs48_ppc64, + vsx_vs49_ppc64, + vsx_vs50_ppc64, + vsx_vs51_ppc64, + vsx_vs52_ppc64, + vsx_vs53_ppc64, + vsx_vs54_ppc64, + vsx_vs55_ppc64, + vsx_vs56_ppc64, + vsx_vs57_ppc64, + vsx_vs58_ppc64, + vsx_vs59_ppc64, + vsx_vs60_ppc64, + vsx_vs61_ppc64, + vsx_vs62_ppc64, + vsx_vs63_ppc64, + k_last_vsx_ppc64 = vsx_vs63_ppc64, + k_num_registers_ppc64, k_num_gpr_registers_ppc64 = k_last_gpr_ppc64 - k_first_gpr_ppc64 + 1, k_num_fpr_registers_ppc64 = k_last_fpr_ppc64 - k_first_fpr_ppc64 + 1, k_num_vmx_registers_ppc64 = k_last_vmx_ppc64 - k_first_vmx_ppc64 + 1, + k_num_vsx_registers_ppc64 = k_last_vsx_ppc64 - k_first_vsx_ppc64 + 1, }; #endif // LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_LLDB_PPC64_REGISTER_ENUMS_H _______________________________________________ lldb-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
