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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 <limits.h> // For LONG_MIN, LONG_MAX. | 5 #include <limits.h> // For LONG_MIN, LONG_MAX. |
6 | 6 |
7 #include "src/v8.h" | 7 #include "src/v8.h" |
8 | 8 |
9 #if V8_TARGET_ARCH_MIPS | 9 #if V8_TARGET_ARCH_MIPS |
10 | 10 |
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3236 // pushing on the stack. | 3236 // pushing on the stack. |
3237 // Set up the code object (t1) and the state (t2) for pushing. | 3237 // Set up the code object (t1) and the state (t2) for pushing. |
3238 unsigned state = | 3238 unsigned state = |
3239 StackHandler::IndexField::encode(handler_index) | | 3239 StackHandler::IndexField::encode(handler_index) | |
3240 StackHandler::KindField::encode(kind); | 3240 StackHandler::KindField::encode(kind); |
3241 li(t1, Operand(CodeObject()), CONSTANT_SIZE); | 3241 li(t1, Operand(CodeObject()), CONSTANT_SIZE); |
3242 li(t2, Operand(state)); | 3242 li(t2, Operand(state)); |
3243 | 3243 |
3244 // Push the frame pointer, context, state, and code object. | 3244 // Push the frame pointer, context, state, and code object. |
3245 if (kind == StackHandler::JS_ENTRY) { | 3245 if (kind == StackHandler::JS_ENTRY) { |
3246 DCHECK_EQ(Smi::FromInt(0), 0); | 3246 DCHECK_EQ(static_cast<Smi*>(0), Smi::FromInt(0)); |
3247 // The second zero_reg indicates no context. | 3247 // The second zero_reg indicates no context. |
3248 // The first zero_reg is the NULL frame pointer. | 3248 // The first zero_reg is the NULL frame pointer. |
3249 // The operands are reversed to match the order of MultiPush/Pop. | 3249 // The operands are reversed to match the order of MultiPush/Pop. |
3250 Push(zero_reg, zero_reg, t2, t1); | 3250 Push(zero_reg, zero_reg, t2, t1); |
3251 } else { | 3251 } else { |
3252 MultiPush(t1.bit() | t2.bit() | cp.bit() | fp.bit()); | 3252 MultiPush(t1.bit() | t2.bit() | cp.bit() | fp.bit()); |
3253 } | 3253 } |
3254 | 3254 |
3255 // Link the current handler as the next handler. | 3255 // Link the current handler as the next handler. |
3256 li(t2, Operand(ExternalReference(Isolate::kHandlerAddress, isolate()))); | 3256 li(t2, Operand(ExternalReference(Isolate::kHandlerAddress, isolate()))); |
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6157 } | 6157 } |
6158 if (mag.shift > 0) sra(result, result, mag.shift); | 6158 if (mag.shift > 0) sra(result, result, mag.shift); |
6159 srl(at, dividend, 31); | 6159 srl(at, dividend, 31); |
6160 Addu(result, result, Operand(at)); | 6160 Addu(result, result, Operand(at)); |
6161 } | 6161 } |
6162 | 6162 |
6163 | 6163 |
6164 } } // namespace v8::internal | 6164 } } // namespace v8::internal |
6165 | 6165 |
6166 #endif // V8_TARGET_ARCH_MIPS | 6166 #endif // V8_TARGET_ARCH_MIPS |
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