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| 1 // Copyright 2008 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are |
| 4 // met: |
| 5 // |
| 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided |
| 11 // with the distribution. |
| 12 // * Neither the name of Google Inc. nor the names of its |
| 13 // contributors may be used to endorse or promote products derived |
| 14 // from this software without specific prior written permission. |
| 15 // |
| 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 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. |
| 27 |
| 28 #ifndef V8_VIRTUAL_FRAME_INL_H_ |
| 29 #define V8_VIRTUAL_FRAME_INL_H_ |
| 30 |
| 31 namespace v8 { namespace internal { |
| 32 |
| 33 |
| 34 // ------------------------------------------------------------------------- |
| 35 // VirtualFrame inline functions. |
| 36 |
| 37 #define __ masm_-> |
| 38 |
| 39 void VirtualFrame::PushTryHandler(HandlerType type) { |
| 40 // Grow the expression stack by handler size less two (the return address |
| 41 // is already pushed by a call instruction, and PushTryHandler from the |
| 42 // macro assembler will leave the top of stack in the eax register to be |
| 43 // pushed separately). |
| 44 height_ += (kHandlerSize - 2); |
| 45 __ PushTryHandler(IN_JAVASCRIPT, type); |
| 46 // TODO(1222589): remove the reliance of PushTryHandler on a cached TOS |
| 47 Push(eax); |
| 48 } |
| 49 |
| 50 |
| 51 void VirtualFrame::CallStub(CodeStub* stub, int frame_arg_count) { |
| 52 ASSERT(frame_arg_count >= 0); |
| 53 ASSERT(height_ >= frame_arg_count); |
| 54 height_ -= frame_arg_count; |
| 55 __ CallStub(stub); |
| 56 } |
| 57 |
| 58 |
| 59 void VirtualFrame::CallRuntime(Runtime::Function* f, int frame_arg_count) { |
| 60 ASSERT(frame_arg_count >= 0); |
| 61 ASSERT(height_ >= frame_arg_count); |
| 62 height_ -= frame_arg_count; |
| 63 __ CallRuntime(f, frame_arg_count); |
| 64 } |
| 65 |
| 66 |
| 67 void VirtualFrame::CallRuntime(Runtime::FunctionId id, int frame_arg_count) { |
| 68 ASSERT(frame_arg_count >= 0); |
| 69 ASSERT(height_ >= frame_arg_count); |
| 70 height_ -= frame_arg_count; |
| 71 __ CallRuntime(id, frame_arg_count); |
| 72 } |
| 73 |
| 74 |
| 75 void VirtualFrame::InvokeBuiltin(Builtins::JavaScript id, |
| 76 InvokeFlag flag, |
| 77 int frame_arg_count) { |
| 78 ASSERT(frame_arg_count >= 0); |
| 79 ASSERT(height_ >= frame_arg_count); |
| 80 height_ -= frame_arg_count; |
| 81 __ InvokeBuiltin(id, flag); |
| 82 } |
| 83 |
| 84 |
| 85 void VirtualFrame::CallCode(Handle<Code> code, |
| 86 RelocInfo::Mode rmode, |
| 87 int frame_arg_count) { |
| 88 ASSERT(frame_arg_count >= 0); |
| 89 ASSERT(height_ >= frame_arg_count); |
| 90 height_ -= frame_arg_count; |
| 91 __ call(code, rmode); |
| 92 } |
| 93 |
| 94 |
| 95 void VirtualFrame::Drop(int count) { |
| 96 ASSERT(count >= 0); |
| 97 ASSERT(height_ >= count); |
| 98 if (count > 0) { |
| 99 __ add(Operand(esp), Immediate(count * kPointerSize)); |
| 100 height_ -= count; |
| 101 } |
| 102 } |
| 103 |
| 104 |
| 105 void VirtualFrame::Pop() { |
| 106 ASSERT(height_ > 0); |
| 107 __ add(Operand(esp), Immediate(kPointerSize)); |
| 108 height_--; |
| 109 } |
| 110 |
| 111 |
| 112 void VirtualFrame::Pop(Register reg) { |
| 113 ASSERT(height_ > 0); |
| 114 __ pop(reg); |
| 115 height_--; |
| 116 } |
| 117 |
| 118 |
| 119 void VirtualFrame::Pop(Operand operand) { |
| 120 ASSERT(height_ > 0); |
| 121 __ pop(operand); |
| 122 height_--; |
| 123 } |
| 124 |
| 125 |
| 126 void VirtualFrame::Push(Register reg) { |
| 127 height_++; |
| 128 __ push(reg); |
| 129 } |
| 130 |
| 131 |
| 132 void VirtualFrame::Push(Operand operand) { |
| 133 height_++; |
| 134 __ push(operand); |
| 135 } |
| 136 |
| 137 |
| 138 void VirtualFrame::Push(Immediate immediate) { |
| 139 height_++; |
| 140 __ push(immediate); |
| 141 } |
| 142 |
| 143 #undef __ |
| 144 |
| 145 } } // namespace v8::internal |
| 146 |
| 147 #endif // V8_VIRTUAL_FRAME_INL_H_ |
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