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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 #if V8_TARGET_ARCH_MIPS64 | 7 #if V8_TARGET_ARCH_MIPS64 |
8 | 8 |
9 #include "src/base/division-by-constant.h" | 9 #include "src/base/division-by-constant.h" |
10 #include "src/bootstrapper.h" | 10 #include "src/bootstrapper.h" |
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6081 RecordComment("Abort message: "); | 6081 RecordComment("Abort message: "); |
6082 RecordComment(msg); | 6082 RecordComment(msg); |
6083 } | 6083 } |
6084 | 6084 |
6085 if (FLAG_trap_on_abort) { | 6085 if (FLAG_trap_on_abort) { |
6086 stop(msg); | 6086 stop(msg); |
6087 return; | 6087 return; |
6088 } | 6088 } |
6089 #endif | 6089 #endif |
6090 | 6090 |
6091 // Check if Abort() has already been initialized. | 6091 li(a0, Operand(Smi::FromInt(reason))); |
6092 DCHECK(isolate()->builtins()->Abort()->IsHeapObject()); | 6092 push(a0); |
6093 | |
6094 Move(a0, Smi::FromInt(static_cast<int>(reason))); | |
6095 | |
6096 // Disable stub call restrictions to always allow calls to abort. | 6093 // Disable stub call restrictions to always allow calls to abort. |
6097 if (!has_frame_) { | 6094 if (!has_frame_) { |
6098 // We don't actually want to generate a pile of code for this, so just | 6095 // We don't actually want to generate a pile of code for this, so just |
6099 // claim there is a stack frame, without generating one. | 6096 // claim there is a stack frame, without generating one. |
6100 FrameScope scope(this, StackFrame::NONE); | 6097 FrameScope scope(this, StackFrame::NONE); |
6101 Call(isolate()->builtins()->Abort(), RelocInfo::CODE_TARGET); | 6098 CallRuntime(Runtime::kAbort); |
6102 } else { | 6099 } else { |
6103 Call(isolate()->builtins()->Abort(), RelocInfo::CODE_TARGET); | 6100 CallRuntime(Runtime::kAbort); |
6104 } | 6101 } |
6105 // Will not return here. | 6102 // Will not return here. |
6106 if (is_trampoline_pool_blocked()) { | 6103 if (is_trampoline_pool_blocked()) { |
6107 // If the calling code cares about the exact number of | 6104 // If the calling code cares about the exact number of |
6108 // instructions generated, we insert padding here to keep the size | 6105 // instructions generated, we insert padding here to keep the size |
6109 // of the Abort macro constant. | 6106 // of the Abort macro constant. |
6110 // Currently in debug mode with debug_code enabled the number of | 6107 // Currently in debug mode with debug_code enabled the number of |
6111 // generated instructions is 10, so we use this as a maximum value. | 6108 // generated instructions is 10, so we use this as a maximum value. |
6112 static const int kExpectedAbortInstructions = 10; | 6109 static const int kExpectedAbortInstructions = 10; |
6113 int abort_instructions = InstructionsGeneratedSince(&abort_start); | 6110 int abort_instructions = InstructionsGeneratedSince(&abort_start); |
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7337 if (mag.shift > 0) sra(result, result, mag.shift); | 7334 if (mag.shift > 0) sra(result, result, mag.shift); |
7338 srl(at, dividend, 31); | 7335 srl(at, dividend, 31); |
7339 Addu(result, result, Operand(at)); | 7336 Addu(result, result, Operand(at)); |
7340 } | 7337 } |
7341 | 7338 |
7342 | 7339 |
7343 } // namespace internal | 7340 } // namespace internal |
7344 } // namespace v8 | 7341 } // namespace v8 |
7345 | 7342 |
7346 #endif // V8_TARGET_ARCH_MIPS64 | 7343 #endif // V8_TARGET_ARCH_MIPS64 |
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