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Issue 2664273002: [wasm] Acquire the context for TrapIf from a wasm frame (Closed)
Patch Set: Created 3 years, 10 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 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 "src/compiler/code-generator.h" 5 #include "src/compiler/code-generator.h"
6 6
7 #include "src/compilation-info.h" 7 #include "src/compilation-info.h"
8 #include "src/compiler/code-generator-impl.h" 8 #include "src/compiler/code-generator-impl.h"
9 #include "src/compiler/gap-resolver.h" 9 #include "src/compiler/gap-resolver.h"
10 #include "src/compiler/node-matchers.h" 10 #include "src/compiler/node-matchers.h"
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1707 private: 1707 private:
1708 void GenerateCallToTrap(Runtime::FunctionId trap_id) { 1708 void GenerateCallToTrap(Runtime::FunctionId trap_id) {
1709 if (trap_id == Runtime::kNumFunctions) { 1709 if (trap_id == Runtime::kNumFunctions) {
1710 // We cannot test calls to the runtime in cctest/test-run-wasm. 1710 // We cannot test calls to the runtime in cctest/test-run-wasm.
1711 // Therefore we emit a call to C here instead of a call to the runtime. 1711 // Therefore we emit a call to C here instead of a call to the runtime.
1712 __ PrepareCallCFunction(0, esi); 1712 __ PrepareCallCFunction(0, esi);
1713 __ CallCFunction( 1713 __ CallCFunction(
1714 ExternalReference::wasm_call_trap_callback_for_testing(isolate()), 1714 ExternalReference::wasm_call_trap_callback_for_testing(isolate()),
1715 0); 1715 0);
1716 } else { 1716 } else {
1717 __ Move(esi, isolate()->native_context()); 1717 __ Move(esi, Smi::kZero);
1718 gen_->AssembleSourcePosition(instr_); 1718 gen_->AssembleSourcePosition(instr_);
1719 __ CallRuntime(trap_id); 1719 __ CallRuntime(trap_id);
1720 } 1720 }
1721 ReferenceMap* reference_map = 1721 ReferenceMap* reference_map =
1722 new (gen_->zone()) ReferenceMap(gen_->zone()); 1722 new (gen_->zone()) ReferenceMap(gen_->zone());
1723 gen_->RecordSafepoint(reference_map, Safepoint::kSimple, 0, 1723 gen_->RecordSafepoint(reference_map, Safepoint::kSimple, 0,
1724 Safepoint::kNoLazyDeopt); 1724 Safepoint::kNoLazyDeopt);
1725 } 1725 }
1726 1726
1727 bool frame_elided_; 1727 bool frame_elided_;
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2301 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc; 2301 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc;
2302 __ Nop(padding_size); 2302 __ Nop(padding_size);
2303 } 2303 }
2304 } 2304 }
2305 2305
2306 #undef __ 2306 #undef __
2307 2307
2308 } // namespace compiler 2308 } // namespace compiler
2309 } // namespace internal 2309 } // namespace internal
2310 } // namespace v8 2310 } // namespace v8
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