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| 1 // Copyright 2009 the V8 project authors. All rights reserved. |
| 2 // |
| 3 // Copyright IBM Corp. 2012, 2013. All rights reserved. |
| 4 // |
| 5 // Use of this source code is governed by a BSD-style license that can be |
| 6 // found in the LICENSE file. |
| 7 |
| 8 #include "src/v8.h" |
| 9 |
| 10 #if V8_TARGET_ARCH_PPC |
| 11 |
| 12 #include "src/ppc/constants-ppc.h" |
| 13 |
| 14 |
| 15 namespace v8 { |
| 16 namespace internal { |
| 17 |
| 18 // These register names are defined in a way to match the native disassembler |
| 19 // formatting. See for example the command "objdump -d <binary file>". |
| 20 const char* Registers::names_[kNumRegisters] = { |
| 21 "r0", "sp", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", |
| 22 "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r18", "r19", "r20", "r21", |
| 23 "r22", "r23", "r24", "r25", "r26", "r27", "r28", "r29", "r30", "fp"}; |
| 24 |
| 25 |
| 26 // List of alias names which can be used when referring to PPC registers. |
| 27 const Registers::RegisterAlias Registers::aliases_[] = {{10, "sl"}, |
| 28 {11, "r11"}, |
| 29 {12, "r12"}, |
| 30 {13, "r13"}, |
| 31 {14, "r14"}, |
| 32 {15, "r15"}, |
| 33 {kNoRegister, NULL}}; |
| 34 |
| 35 |
| 36 const char* Registers::Name(int reg) { |
| 37 const char* result; |
| 38 if ((0 <= reg) && (reg < kNumRegisters)) { |
| 39 result = names_[reg]; |
| 40 } else { |
| 41 result = "noreg"; |
| 42 } |
| 43 return result; |
| 44 } |
| 45 |
| 46 |
| 47 const char* FPRegisters::names_[kNumFPRegisters] = { |
| 48 "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", "d8", "d9", "d10", |
| 49 "d11", "d12", "d13", "d14", "d15", "d16", "d17", "d18", "d19", "d20", "d21", |
| 50 "d22", "d23", "d24", "d25", "d26", "d27", "d28", "d29", "d30", "d31"}; |
| 51 |
| 52 |
| 53 const char* FPRegisters::Name(int reg) { |
| 54 DCHECK((0 <= reg) && (reg < kNumFPRegisters)); |
| 55 return names_[reg]; |
| 56 } |
| 57 |
| 58 |
| 59 int FPRegisters::Number(const char* name) { |
| 60 for (int i = 0; i < kNumFPRegisters; i++) { |
| 61 if (strcmp(names_[i], name) == 0) { |
| 62 return i; |
| 63 } |
| 64 } |
| 65 |
| 66 // No register with the requested name found. |
| 67 return kNoRegister; |
| 68 } |
| 69 |
| 70 |
| 71 int Registers::Number(const char* name) { |
| 72 // Look through the canonical names. |
| 73 for (int i = 0; i < kNumRegisters; i++) { |
| 74 if (strcmp(names_[i], name) == 0) { |
| 75 return i; |
| 76 } |
| 77 } |
| 78 |
| 79 // Look through the alias names. |
| 80 int i = 0; |
| 81 while (aliases_[i].reg != kNoRegister) { |
| 82 if (strcmp(aliases_[i].name, name) == 0) { |
| 83 return aliases_[i].reg; |
| 84 } |
| 85 i++; |
| 86 } |
| 87 |
| 88 // No register with the requested name found. |
| 89 return kNoRegister; |
| 90 } |
| 91 } |
| 92 } // namespace v8::internal |
| 93 |
| 94 #endif // V8_TARGET_ARCH_PPC |
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