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Diffstat (limited to 'src/3rdparty/v8/src/x64/simulator-x64.h')
-rw-r--r-- | src/3rdparty/v8/src/x64/simulator-x64.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/3rdparty/v8/src/x64/simulator-x64.h b/src/3rdparty/v8/src/x64/simulator-x64.h new file mode 100644 index 0000000..cfaa5b8 --- /dev/null +++ b/src/3rdparty/v8/src/x64/simulator-x64.h @@ -0,0 +1,71 @@ +// Copyright 2011 the V8 project authors. All rights reserved. +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following +// disclaimer in the documentation and/or other materials provided +// with the distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived +// from this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#ifndef V8_X64_SIMULATOR_X64_H_ +#define V8_X64_SIMULATOR_X64_H_ + +#include "allocation.h" + +namespace v8 { +namespace internal { + +// Since there is no simulator for the x64 architecture the only thing we can +// do is to call the entry directly. +// TODO(X64): Don't pass p0, since it isn't used? +#define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4) \ + (entry(p0, p1, p2, p3, p4)) + +typedef int (*regexp_matcher)(String*, int, const byte*, + const byte*, int*, Address, int, Isolate*); + +// Call the generated regexp code directly. The code at the entry address should +// expect eight int/pointer sized arguments and return an int. +#define CALL_GENERATED_REGEXP_CODE(entry, p0, p1, p2, p3, p4, p5, p6, p7) \ + (FUNCTION_CAST<regexp_matcher>(entry)(p0, p1, p2, p3, p4, p5, p6, p7)) + +#define TRY_CATCH_FROM_ADDRESS(try_catch_address) \ + (reinterpret_cast<TryCatch*>(try_catch_address)) + +// The stack limit beyond which we will throw stack overflow errors in +// generated code. Because generated code on x64 uses the C stack, we +// just use the C stack limit. +class SimulatorStack : public v8::internal::AllStatic { + public: + static inline uintptr_t JsLimitFromCLimit(uintptr_t c_limit) { + return c_limit; + } + + static inline uintptr_t RegisterCTryCatch(uintptr_t try_catch_address) { + return try_catch_address; + } + + static inline void UnregisterCTryCatch() { } +}; + +} } // namespace v8::internal + +#endif // V8_X64_SIMULATOR_X64_H_ |