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Issue 12314012: Ensure deopt entries have no relocation information. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Ported to MIPS. Created 7 years, 10 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 // 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
(...skipping 76 matching lines...) Expand 10 before | Expand all | Expand 10 after
87 __ mov(edx, Operand(esp, 5 * kPointerSize)); 87 __ mov(edx, Operand(esp, 5 * kPointerSize));
88 TranscendentalCacheStub::GenerateOperation(&masm, type); 88 TranscendentalCacheStub::GenerateOperation(&masm, type);
89 // The return value is expected to be on ST(0) of the FPU stack. 89 // The return value is expected to be on ST(0) of the FPU stack.
90 __ pop(edi); 90 __ pop(edi);
91 __ pop(edx); 91 __ pop(edx);
92 __ pop(ebx); 92 __ pop(ebx);
93 __ Ret(); 93 __ Ret();
94 94
95 CodeDesc desc; 95 CodeDesc desc;
96 masm.GetCode(&desc); 96 masm.GetCode(&desc);
97 ASSERT(desc.reloc_size == 0); 97 ASSERT(!RelocInfo::RequiresRelocation(desc));
98 98
99 CPU::FlushICache(buffer, actual_size); 99 CPU::FlushICache(buffer, actual_size);
100 OS::ProtectCode(buffer, actual_size); 100 OS::ProtectCode(buffer, actual_size);
101 return FUNCTION_CAST<UnaryMathFunction>(buffer); 101 return FUNCTION_CAST<UnaryMathFunction>(buffer);
102 } 102 }
103 103
104 104
105 UnaryMathFunction CreateExpFunction() { 105 UnaryMathFunction CreateExpFunction() {
106 if (!CpuFeatures::IsSupported(SSE2)) return &exp; 106 if (!CpuFeatures::IsSupported(SSE2)) return &exp;
107 if (!FLAG_fast_math) return &exp; 107 if (!FLAG_fast_math) return &exp;
(...skipping 17 matching lines...) Expand all
125 125
126 __ pop(ebx); 126 __ pop(ebx);
127 __ pop(eax); 127 __ pop(eax);
128 __ movdbl(Operand(esp, 1 * kPointerSize), result); 128 __ movdbl(Operand(esp, 1 * kPointerSize), result);
129 __ fld_d(Operand(esp, 1 * kPointerSize)); 129 __ fld_d(Operand(esp, 1 * kPointerSize));
130 __ Ret(); 130 __ Ret();
131 } 131 }
132 132
133 CodeDesc desc; 133 CodeDesc desc;
134 masm.GetCode(&desc); 134 masm.GetCode(&desc);
135 ASSERT(!RelocInfo::RequiresRelocation(desc));
135 136
136 CPU::FlushICache(buffer, actual_size); 137 CPU::FlushICache(buffer, actual_size);
137 OS::ProtectCode(buffer, actual_size); 138 OS::ProtectCode(buffer, actual_size);
138 return FUNCTION_CAST<UnaryMathFunction>(buffer); 139 return FUNCTION_CAST<UnaryMathFunction>(buffer);
139 } 140 }
140 141
141 142
142 UnaryMathFunction CreateSqrtFunction() { 143 UnaryMathFunction CreateSqrtFunction() {
143 size_t actual_size; 144 size_t actual_size;
144 // Allocate buffer in executable space. 145 // Allocate buffer in executable space.
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157 __ movdbl(xmm0, Operand(esp, 1 * kPointerSize)); 158 __ movdbl(xmm0, Operand(esp, 1 * kPointerSize));
158 __ sqrtsd(xmm0, xmm0); 159 __ sqrtsd(xmm0, xmm0);
159 __ movdbl(Operand(esp, 1 * kPointerSize), xmm0); 160 __ movdbl(Operand(esp, 1 * kPointerSize), xmm0);
160 // Load result into floating point register as return value. 161 // Load result into floating point register as return value.
161 __ fld_d(Operand(esp, 1 * kPointerSize)); 162 __ fld_d(Operand(esp, 1 * kPointerSize));
162 __ Ret(); 163 __ Ret();
163 } 164 }
164 165
165 CodeDesc desc; 166 CodeDesc desc;
166 masm.GetCode(&desc); 167 masm.GetCode(&desc);
167 ASSERT(desc.reloc_size == 0); 168 ASSERT(!RelocInfo::RequiresRelocation(desc));
168 169
169 CPU::FlushICache(buffer, actual_size); 170 CPU::FlushICache(buffer, actual_size);
170 OS::ProtectCode(buffer, actual_size); 171 OS::ProtectCode(buffer, actual_size);
171 return FUNCTION_CAST<UnaryMathFunction>(buffer); 172 return FUNCTION_CAST<UnaryMathFunction>(buffer);
172 } 173 }
173 174
174 175
175 static void MemCopyWrapper(void* dest, const void* src, size_t size) { 176 static void MemCopyWrapper(void* dest, const void* src, size_t size) {
176 memcpy(dest, src, size); 177 memcpy(dest, src, size);
177 } 178 }
(...skipping 189 matching lines...) Expand 10 before | Expand all | Expand 10 after
367 __ mov(Operand(dst, count, times_1, -4), eax); 368 __ mov(Operand(dst, count, times_1, -4), eax);
368 369
369 __ mov(eax, Operand(esp, stack_offset + kDestinationOffset)); 370 __ mov(eax, Operand(esp, stack_offset + kDestinationOffset));
370 __ pop(esi); 371 __ pop(esi);
371 __ pop(edi); 372 __ pop(edi);
372 __ ret(0); 373 __ ret(0);
373 } 374 }
374 375
375 CodeDesc desc; 376 CodeDesc desc;
376 masm.GetCode(&desc); 377 masm.GetCode(&desc);
377 ASSERT(desc.reloc_size == 0); 378 ASSERT(!RelocInfo::RequiresRelocation(desc));
378 379
379 CPU::FlushICache(buffer, actual_size); 380 CPU::FlushICache(buffer, actual_size);
380 OS::ProtectCode(buffer, actual_size); 381 OS::ProtectCode(buffer, actual_size);
381 return FUNCTION_CAST<OS::MemCopyFunction>(buffer); 382 return FUNCTION_CAST<OS::MemCopyFunction>(buffer);
382 } 383 }
383 384
384 #undef __ 385 #undef __
385 386
386 // ------------------------------------------------------------------------- 387 // -------------------------------------------------------------------------
387 // Code generators 388 // Code generators
(...skipping 569 matching lines...) Expand 10 before | Expand all | Expand 10 after
957 Code* stub = GetCodeAgeStub(age, parity); 958 Code* stub = GetCodeAgeStub(age, parity);
958 CodePatcher patcher(sequence, young_length); 959 CodePatcher patcher(sequence, young_length);
959 patcher.masm()->call(stub->instruction_start(), RelocInfo::NONE32); 960 patcher.masm()->call(stub->instruction_start(), RelocInfo::NONE32);
960 } 961 }
961 } 962 }
962 963
963 964
964 } } // namespace v8::internal 965 } } // namespace v8::internal
965 966
966 #endif // V8_TARGET_ARCH_IA32 967 #endif // V8_TARGET_ARCH_IA32
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