| // Copyright 2021 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #if V8_TARGET_ARCH_LOONG64 |
| |
| #include "src/codegen/loong64/constants-loong64.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| // ----------------------------------------------------------------------------- |
| // Registers. |
| |
| // These register names are defined in a way to match the native disassembler |
| // formatting. See for example the command "objdump -d <binary file>". |
| const char* Registers::names_[kNumSimuRegisters] = { |
| "zero_reg", "ra", "tp", "sp", "a0", "a1", "a2", "a3", "a4", "a5", "a6", |
| "a7", "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8", "x_reg", |
| "fp", "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", "s8", "pc"}; |
| |
| // List of alias names which can be used when referring to registers. |
| const Registers::RegisterAlias Registers::aliases_[] = { |
| {0, "zero"}, {30, "cp"}, {kInvalidRegister, nullptr}}; |
| |
| const char* Registers::Name(int reg) { |
| const char* result; |
| if ((0 <= reg) && (reg < kNumSimuRegisters)) { |
| result = names_[reg]; |
| } else { |
| result = "noreg"; |
| } |
| return result; |
| } |
| |
| int Registers::Number(const char* name) { |
| // Look through the canonical names. |
| for (int i = 0; i < kNumSimuRegisters; i++) { |
| if (strcmp(names_[i], name) == 0) { |
| return i; |
| } |
| } |
| |
| // Look through the alias names. |
| int i = 0; |
| while (aliases_[i].reg != kInvalidRegister) { |
| if (strcmp(aliases_[i].name, name) == 0) { |
| return aliases_[i].reg; |
| } |
| i++; |
| } |
| |
| // No register with the reguested name found. |
| return kInvalidRegister; |
| } |
| |
| const char* FPURegisters::names_[kNumFPURegisters] = { |
| "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", "f8", "f9", "f10", |
| "f11", "f12", "f13", "f14", "f15", "f16", "f17", "f18", "f19", "f20", "f21", |
| "f22", "f23", "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31"}; |
| |
| // List of alias names which can be used when referring to LoongArch registers. |
| const FPURegisters::RegisterAlias FPURegisters::aliases_[] = { |
| {kInvalidRegister, nullptr}}; |
| |
| const char* FPURegisters::Name(int creg) { |
| const char* result; |
| if ((0 <= creg) && (creg < kNumFPURegisters)) { |
| result = names_[creg]; |
| } else { |
| result = "nocreg"; |
| } |
| return result; |
| } |
| |
| int FPURegisters::Number(const char* name) { |
| // Look through the canonical names. |
| for (int i = 0; i < kNumFPURegisters; i++) { |
| if (strcmp(names_[i], name) == 0) { |
| return i; |
| } |
| } |
| |
| // Look through the alias names. |
| int i = 0; |
| while (aliases_[i].creg != kInvalidRegister) { |
| if (strcmp(aliases_[i].name, name) == 0) { |
| return aliases_[i].creg; |
| } |
| i++; |
| } |
| |
| // No Cregister with the reguested name found. |
| return kInvalidFPURegister; |
| } |
| |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_TARGET_ARCH_LOONG64 |