| //===-- RegisterInfoPOSIX_loongarch64.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 <lldb/Utility/Flags.h> |
| #include <stddef.h> |
| |
| #include "lldb/lldb-defines.h" |
| #include "llvm/Support/Compiler.h" |
| |
| #include "RegisterInfoPOSIX_loongarch64.h" |
| |
| #define GPR_OFFSET(idx) ((idx)*8 + 0) |
| #define FPR_OFFSET(idx) ((idx)*8 + sizeof(RegisterInfoPOSIX_loongarch64::GPR)) |
| #define FCC_OFFSET(idx) ((idx)*1 + 32 * 8 + sizeof(RegisterInfoPOSIX_loongarch64::GPR)) |
| #define FCSR_OFFSET (8 * 1 + 32 * 8 + sizeof(RegisterInfoPOSIX_loongarch64::GPR)) |
| |
| #define REG_CONTEXT_SIZE \ |
| (sizeof(RegisterInfoPOSIX_loongarch64::GPR) + \ |
| sizeof(RegisterInfoPOSIX_loongarch64::FPR)) |
| |
| #define DECLARE_REGISTER_INFOS_LOONGARCH64_STRUCT |
| #include "RegisterInfos_loongarch64.h" |
| #undef DECLARE_REGISTER_INFOS_LOONGARCH64_STRUCT |
| |
| const lldb_private::RegisterInfo * |
| RegisterInfoPOSIX_loongarch64::GetRegisterInfoPtr( |
| const lldb_private::ArchSpec &target_arch) { |
| switch (target_arch.GetMachine()) { |
| case llvm::Triple::loongarch64: |
| return g_register_infos_loongarch64; |
| default: |
| assert(false && "Unhandled target architecture."); |
| return nullptr; |
| } |
| } |
| |
| uint32_t RegisterInfoPOSIX_loongarch64::GetRegisterInfoCount( |
| const lldb_private::ArchSpec &target_arch) { |
| switch (target_arch.GetMachine()) { |
| case llvm::Triple::loongarch64: |
| return static_cast<uint32_t>(sizeof(g_register_infos_loongarch64) / |
| sizeof(g_register_infos_loongarch64[0])); |
| default: |
| assert(false && "Unhandled target architecture."); |
| return 0; |
| } |
| } |
| |
| // Number of register sets provided by this context. |
| enum { |
| k_num_gpr_registers = gpr_last_loongarch - gpr_first_loongarch + 1, |
| k_num_fpr_registers = fpr_last_loongarch - fpr_first_loongarch + 1, |
| k_num_register_sets = 2 |
| }; |
| |
| // LoongArch64 general purpose registers. |
| static const uint32_t g_gpr_regnums_loongarch64[] = { |
| gpr_r0_loongarch, gpr_r1_loongarch, gpr_r2_loongarch, |
| gpr_r3_loongarch, gpr_r4_loongarch, gpr_r5_loongarch, |
| gpr_r6_loongarch, gpr_r7_loongarch, gpr_r8_loongarch, |
| gpr_r9_loongarch, gpr_r10_loongarch, gpr_r11_loongarch, |
| gpr_r12_loongarch, gpr_r13_loongarch, gpr_r14_loongarch, |
| gpr_r15_loongarch, gpr_r16_loongarch, gpr_r17_loongarch, |
| gpr_r18_loongarch, gpr_r19_loongarch, gpr_r20_loongarch, |
| gpr_r21_loongarch, gpr_r22_loongarch, gpr_r23_loongarch, |
| gpr_r24_loongarch, gpr_r25_loongarch, gpr_r26_loongarch, |
| gpr_r27_loongarch, gpr_r28_loongarch, gpr_r29_loongarch, |
| gpr_r30_loongarch, gpr_r31_loongarch, gpr_orig_a0_loongarch, |
| gpr_pc_loongarch, gpr_badv_loongarch, gpr_reserved0_loongarch, |
| gpr_reserved1_loongarch, gpr_reserved2_loongarch, gpr_reserved3_loongarch, |
| gpr_reserved4_loongarch, gpr_reserved5_loongarch, gpr_reserved6_loongarch, |
| gpr_reserved7_loongarch, gpr_reserved8_loongarch, gpr_reserved9_loongarch, |
| LLDB_INVALID_REGNUM}; |
| |
| static_assert(((sizeof g_gpr_regnums_loongarch64 / |
| sizeof g_gpr_regnums_loongarch64[0]) - |
| 1) == k_num_gpr_registers, |
| "g_gpr_regnums_loongarch64 has wrong number of register infos"); |
| |
| // LoongArch64 floating point registers. |
| static const uint32_t g_fpr_regnums_loongarch64[] = { |
| fpr_f0_loongarch, fpr_f1_loongarch, fpr_f2_loongarch, |
| fpr_f3_loongarch, fpr_f4_loongarch, fpr_f5_loongarch, |
| fpr_f6_loongarch, fpr_f7_loongarch, fpr_f8_loongarch, |
| fpr_f9_loongarch, fpr_f10_loongarch, fpr_f11_loongarch, |
| fpr_f12_loongarch, fpr_f13_loongarch, fpr_f14_loongarch, |
| fpr_f15_loongarch, fpr_f16_loongarch, fpr_f17_loongarch, |
| fpr_f18_loongarch, fpr_f19_loongarch, fpr_f20_loongarch, |
| fpr_f21_loongarch, fpr_f22_loongarch, fpr_f23_loongarch, |
| fpr_f24_loongarch, fpr_f25_loongarch, fpr_f26_loongarch, |
| fpr_f27_loongarch, fpr_f28_loongarch, fpr_f29_loongarch, |
| fpr_f30_loongarch, fpr_f31_loongarch, fpr_fcc0_loongarch, |
| fpr_fcc1_loongarch, fpr_fcc2_loongarch, fpr_fcc3_loongarch, |
| fpr_fcc4_loongarch, fpr_fcc5_loongarch, fpr_fcc6_loongarch, |
| fpr_fcc7_loongarch, fpr_fcsr_loongarch, LLDB_INVALID_REGNUM}; |
| |
| static_assert(((sizeof g_fpr_regnums_loongarch64 / |
| sizeof g_fpr_regnums_loongarch64[0]) - |
| 1) == k_num_fpr_registers, |
| "g_fpr_regnums_loongarch64 has wrong number of register infos"); |
| |
| // Register sets for LoongArch64. |
| static const lldb_private::RegisterSet |
| g_reg_sets_loongarch64[k_num_register_sets] = { |
| {"General Purpose Registers", "gpr", k_num_gpr_registers, |
| g_gpr_regnums_loongarch64}, |
| {"Floating Point Registers", "fpr", k_num_fpr_registers, |
| g_fpr_regnums_loongarch64}}; |
| |
| RegisterInfoPOSIX_loongarch64::RegisterInfoPOSIX_loongarch64( |
| const lldb_private::ArchSpec &target_arch, lldb_private::Flags flags) |
| : lldb_private::RegisterInfoAndSetInterface(target_arch), |
| m_register_info_p(GetRegisterInfoPtr(target_arch)), |
| m_register_info_count(GetRegisterInfoCount(target_arch)) {} |
| |
| uint32_t RegisterInfoPOSIX_loongarch64::GetRegisterCount() const { |
| return m_register_info_count; |
| } |
| |
| size_t RegisterInfoPOSIX_loongarch64::GetGPRSize() const { |
| return sizeof(struct RegisterInfoPOSIX_loongarch64::GPR); |
| } |
| |
| size_t RegisterInfoPOSIX_loongarch64::GetFPRSize() const { |
| return sizeof(struct RegisterInfoPOSIX_loongarch64::FPR); |
| } |
| |
| const lldb_private::RegisterInfo * |
| RegisterInfoPOSIX_loongarch64::GetRegisterInfo() const { |
| return m_register_info_p; |
| } |
| |
| size_t RegisterInfoPOSIX_loongarch64::GetRegisterSetCount() const { |
| return k_num_register_sets; |
| } |
| |
| size_t RegisterInfoPOSIX_loongarch64::GetRegisterSetFromRegisterIndex( |
| uint32_t reg_index) const { |
| // coverity[unsigned_compare] |
| if (reg_index >= gpr_first_loongarch && reg_index <= gpr_last_loongarch) |
| return GPRegSet; |
| if (reg_index >= fpr_first_loongarch && reg_index <= fpr_last_loongarch) |
| return FPRegSet; |
| return LLDB_INVALID_REGNUM; |
| } |
| |
| const lldb_private::RegisterSet * |
| RegisterInfoPOSIX_loongarch64::GetRegisterSet(size_t set_index) const { |
| if (set_index < GetRegisterSetCount()) |
| return &g_reg_sets_loongarch64[set_index]; |
| return nullptr; |
| } |