//===-- 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 #include #include #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(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; }