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Side by Side Diff: src/arm/codegen-arm.cc

Issue 297303004: Revert 21502 - "Move OS::MemCopy and OS::MemMove out of platform to utils" (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 7 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "v8.h" 5 #include "v8.h"
6 6
7 #if V8_TARGET_ARCH_ARM 7 #if V8_TARGET_ARCH_ARM
8 8
9 #include "codegen.h" 9 #include "codegen.h"
10 #include "macro-assembler.h" 10 #include "macro-assembler.h"
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71 71
72 #if !defined(USE_SIMULATOR) 72 #if !defined(USE_SIMULATOR)
73 return FUNCTION_CAST<UnaryMathFunction>(buffer); 73 return FUNCTION_CAST<UnaryMathFunction>(buffer);
74 #else 74 #else
75 fast_exp_arm_machine_code = buffer; 75 fast_exp_arm_machine_code = buffer;
76 return &fast_exp_simulator; 76 return &fast_exp_simulator;
77 #endif 77 #endif
78 } 78 }
79 79
80 #if defined(V8_HOST_ARCH_ARM) 80 #if defined(V8_HOST_ARCH_ARM)
81 MemCopyUint8Function CreateMemCopyUint8Function(MemCopyUint8Function stub) { 81 OS::MemCopyUint8Function CreateMemCopyUint8Function(
82 OS::MemCopyUint8Function stub) {
82 #if defined(USE_SIMULATOR) 83 #if defined(USE_SIMULATOR)
83 return stub; 84 return stub;
84 #else 85 #else
85 if (!CpuFeatures::IsSupported(UNALIGNED_ACCESSES)) return stub; 86 if (!CpuFeatures::IsSupported(UNALIGNED_ACCESSES)) return stub;
86 size_t actual_size; 87 size_t actual_size;
87 byte* buffer = static_cast<byte*>(OS::Allocate(1 * KB, &actual_size, true)); 88 byte* buffer = static_cast<byte*>(OS::Allocate(1 * KB, &actual_size, true));
88 if (buffer == NULL) return stub; 89 if (buffer == NULL) return stub;
89 90
90 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size)); 91 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size));
91 92
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220 __ ldrb(temp1, MemOperand(src), ne); 221 __ ldrb(temp1, MemOperand(src), ne);
221 __ strb(temp1, MemOperand(dest), ne); 222 __ strb(temp1, MemOperand(dest), ne);
222 __ Ret(); 223 __ Ret();
223 224
224 CodeDesc desc; 225 CodeDesc desc;
225 masm.GetCode(&desc); 226 masm.GetCode(&desc);
226 ASSERT(!RelocInfo::RequiresRelocation(desc)); 227 ASSERT(!RelocInfo::RequiresRelocation(desc));
227 228
228 CPU::FlushICache(buffer, actual_size); 229 CPU::FlushICache(buffer, actual_size);
229 OS::ProtectCode(buffer, actual_size); 230 OS::ProtectCode(buffer, actual_size);
230 return FUNCTION_CAST<MemCopyUint8Function>(buffer); 231 return FUNCTION_CAST<OS::MemCopyUint8Function>(buffer);
231 #endif 232 #endif
232 } 233 }
233 234
234 235
235 // Convert 8 to 16. The number of character to copy must be at least 8. 236 // Convert 8 to 16. The number of character to copy must be at least 8.
236 MemCopyUint16Uint8Function CreateMemCopyUint16Uint8Function( 237 OS::MemCopyUint16Uint8Function CreateMemCopyUint16Uint8Function(
237 MemCopyUint16Uint8Function stub) { 238 OS::MemCopyUint16Uint8Function stub) {
238 #if defined(USE_SIMULATOR) 239 #if defined(USE_SIMULATOR)
239 return stub; 240 return stub;
240 #else 241 #else
241 if (!CpuFeatures::IsSupported(UNALIGNED_ACCESSES)) return stub; 242 if (!CpuFeatures::IsSupported(UNALIGNED_ACCESSES)) return stub;
242 size_t actual_size; 243 size_t actual_size;
243 byte* buffer = static_cast<byte*>(OS::Allocate(1 * KB, &actual_size, true)); 244 byte* buffer = static_cast<byte*>(OS::Allocate(1 * KB, &actual_size, true));
244 if (buffer == NULL) return stub; 245 if (buffer == NULL) return stub;
245 246
246 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size)); 247 MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size));
247 248
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307 __ strh(temp1, MemOperand(dest), ne); 308 __ strh(temp1, MemOperand(dest), ne);
308 __ Pop(pc, r4); 309 __ Pop(pc, r4);
309 } 310 }
310 311
311 CodeDesc desc; 312 CodeDesc desc;
312 masm.GetCode(&desc); 313 masm.GetCode(&desc);
313 314
314 CPU::FlushICache(buffer, actual_size); 315 CPU::FlushICache(buffer, actual_size);
315 OS::ProtectCode(buffer, actual_size); 316 OS::ProtectCode(buffer, actual_size);
316 317
317 return FUNCTION_CAST<MemCopyUint16Uint8Function>(buffer); 318 return FUNCTION_CAST<OS::MemCopyUint16Uint8Function>(buffer);
318 #endif 319 #endif
319 } 320 }
320 #endif 321 #endif
321 322
322 UnaryMathFunction CreateSqrtFunction() { 323 UnaryMathFunction CreateSqrtFunction() {
323 #if defined(USE_SIMULATOR) 324 #if defined(USE_SIMULATOR)
324 return &std::sqrt; 325 return &std::sqrt;
325 #else 326 #else
326 size_t actual_size; 327 size_t actual_size;
327 byte* buffer = static_cast<byte*>(OS::Allocate(1 * KB, &actual_size, true)); 328 byte* buffer = static_cast<byte*>(OS::Allocate(1 * KB, &actual_size, true));
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881 patcher.masm()->add(r0, pc, Operand(-8)); 882 patcher.masm()->add(r0, pc, Operand(-8));
882 patcher.masm()->ldr(pc, MemOperand(pc, -4)); 883 patcher.masm()->ldr(pc, MemOperand(pc, -4));
883 patcher.masm()->emit_code_stub_address(stub); 884 patcher.masm()->emit_code_stub_address(stub);
884 } 885 }
885 } 886 }
886 887
887 888
888 } } // namespace v8::internal 889 } } // namespace v8::internal
889 890
890 #endif // V8_TARGET_ARCH_ARM 891 #endif // V8_TARGET_ARCH_ARM
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