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Issue 274016: Use the USE_ARM_EABI macro consistently rather than the gcc-specific... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 11 years, 2 months ago
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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. 1 // Copyright 2006-2009 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 27
28 #ifndef V8_OBJECTS_H_ 28 #ifndef V8_OBJECTS_H_
29 #define V8_OBJECTS_H_ 29 #define V8_OBJECTS_H_
30 30
31 #include "builtins.h" 31 #include "builtins.h"
32 #include "code-stubs.h" 32 #include "code-stubs.h"
33 #include "smart-pointer.h" 33 #include "smart-pointer.h"
34 #include "unicode-inl.h" 34 #include "unicode-inl.h"
35 #if V8_TARGET_ARCH_ARM
36 #include "arm/constants-arm.h"
37 #endif
35 38
36 // 39 //
37 // All object types in the V8 JavaScript are described in this file. 40 // All object types in the V8 JavaScript are described in this file.
38 // 41 //
39 // Inheritance hierarchy: 42 // Inheritance hierarchy:
40 // - Object 43 // - Object
41 // - Smi (immediate small integer) 44 // - Smi (immediate small integer)
42 // - Failure (immediate for marking failed operation) 45 // - Failure (immediate for marking failed operation)
43 // - HeapObject (superclass for everything allocated in the heap) 46 // - HeapObject (superclass for everything allocated in the heap)
44 // - JSObject 47 // - JSObject
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1280 #ifdef DEBUG 1283 #ifdef DEBUG
1281 void HeapNumberVerify(); 1284 void HeapNumberVerify();
1282 #endif 1285 #endif
1283 1286
1284 // Layout description. 1287 // Layout description.
1285 static const int kValueOffset = HeapObject::kHeaderSize; 1288 static const int kValueOffset = HeapObject::kHeaderSize;
1286 // IEEE doubles are two 32 bit words. The first is just mantissa, the second 1289 // IEEE doubles are two 32 bit words. The first is just mantissa, the second
1287 // is a mixture of sign, exponent and mantissa. Our current platforms are all 1290 // is a mixture of sign, exponent and mantissa. Our current platforms are all
1288 // little endian apart from non-EABI arm which is little endian with big 1291 // little endian apart from non-EABI arm which is little endian with big
1289 // endian floating point word ordering! 1292 // endian floating point word ordering!
1290 #if !defined(V8_HOST_ARCH_ARM) || __ARM_EABI__ 1293 #if !defined(V8_HOST_ARCH_ARM) || defined(USE_ARM_EABI)
1291 static const int kMantissaOffset = kValueOffset; 1294 static const int kMantissaOffset = kValueOffset;
1292 static const int kExponentOffset = kValueOffset + 4; 1295 static const int kExponentOffset = kValueOffset + 4;
1293 #else 1296 #else
1294 static const int kMantissaOffset = kValueOffset + 4; 1297 static const int kMantissaOffset = kValueOffset + 4;
1295 static const int kExponentOffset = kValueOffset; 1298 static const int kExponentOffset = kValueOffset;
1296 # define BIG_ENDIAN_FLOATING_POINT 1 1299 # define BIG_ENDIAN_FLOATING_POINT 1
1297 #endif 1300 #endif
1298 static const int kSize = kValueOffset + kDoubleSize; 1301 static const int kSize = kValueOffset + kDoubleSize;
1299 1302
1300 static const uint32_t kSignMask = 0x80000000u; 1303 static const uint32_t kSignMask = 0x80000000u;
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4886 } else { 4889 } else {
4887 value &= ~(1 << bit_position); 4890 value &= ~(1 << bit_position);
4888 } 4891 }
4889 return value; 4892 return value;
4890 } 4893 }
4891 }; 4894 };
4892 4895
4893 } } // namespace v8::internal 4896 } } // namespace v8::internal
4894 4897
4895 #endif // V8_OBJECTS_H_ 4898 #endif // V8_OBJECTS_H_
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