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Issue 51123003: VM: Fix checked mode crash (issue 13831). (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 7 years, 1 month ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_MIPS. 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_MIPS.
6 #if defined(TARGET_ARCH_MIPS) 6 #if defined(TARGET_ARCH_MIPS)
7 7
8 #include "vm/flow_graph_compiler.h" 8 #include "vm/flow_graph_compiler.h"
9 9
10 #include "vm/ast_printer.h" 10 #include "vm/ast_printer.h"
11 #include "vm/compiler.h" 11 #include "vm/compiler.h"
12 #include "vm/dart_entry.h" 12 #include "vm/dart_entry.h"
13 #include "vm/deopt_instructions.h" 13 #include "vm/deopt_instructions.h"
14 #include "vm/il_printer.h" 14 #include "vm/il_printer.h"
15 #include "vm/locations.h" 15 #include "vm/locations.h"
16 #include "vm/object_store.h" 16 #include "vm/object_store.h"
17 #include "vm/parser.h" 17 #include "vm/parser.h"
18 #include "vm/stack_frame.h" 18 #include "vm/stack_frame.h"
19 #include "vm/stub_code.h" 19 #include "vm/stub_code.h"
20 #include "vm/symbols.h" 20 #include "vm/symbols.h"
21 21
22 namespace dart { 22 namespace dart {
23 23
24 DEFINE_FLAG(bool, trap_on_deoptimization, false, "Trap on deoptimization."); 24 DEFINE_FLAG(bool, trap_on_deoptimization, false, "Trap on deoptimization.");
25 DECLARE_FLAG(int, optimization_counter_threshold); 25 DECLARE_FLAG(int, optimization_counter_threshold);
26 DECLARE_FLAG(int, reoptimization_counter_threshold); 26 DECLARE_FLAG(int, reoptimization_counter_threshold);
27 DECLARE_FLAG(bool, print_ast);
28 DECLARE_FLAG(bool, print_scopes);
29 DECLARE_FLAG(bool, enable_type_checks); 27 DECLARE_FLAG(bool, enable_type_checks);
30 DECLARE_FLAG(bool, eliminate_type_checks); 28 DECLARE_FLAG(bool, eliminate_type_checks);
31 29
32 30
33 FlowGraphCompiler::~FlowGraphCompiler() { 31 FlowGraphCompiler::~FlowGraphCompiler() {
34 // BlockInfos are zone-allocated, so their destructors are not called. 32 // BlockInfos are zone-allocated, so their destructors are not called.
35 // Verify the labels explicitly here. 33 // Verify the labels explicitly here.
36 for (int i = 0; i < block_info_.length(); ++i) { 34 for (int i = 0; i < block_info_.length(); ++i) {
37 ASSERT(!block_info_[i]->jump_label()->IsLinked()); 35 ASSERT(!block_info_[i]->jump_label()->IsLinked());
38 } 36 }
(...skipping 1167 matching lines...) Expand 10 before | Expand all | Expand 10 after
1206 __ TraceSimMsg("Initialize spill slots"); 1204 __ TraceSimMsg("Initialize spill slots");
1207 __ Comment("Initialize spill slots"); 1205 __ Comment("Initialize spill slots");
1208 const intptr_t slot_base = parsed_function().first_stack_local_index(); 1206 const intptr_t slot_base = parsed_function().first_stack_local_index();
1209 for (intptr_t i = 0; i < num_locals; ++i) { 1207 for (intptr_t i = 0; i < num_locals; ++i) {
1210 // Subtract index i (locals lie at lower addresses than FP). 1208 // Subtract index i (locals lie at lower addresses than FP).
1211 __ LoadImmediate(TMP, reinterpret_cast<int32_t>(Object::null())); 1209 __ LoadImmediate(TMP, reinterpret_cast<int32_t>(Object::null()));
1212 __ sw(TMP, Address(FP, (slot_base - i) * kWordSize)); 1210 __ sw(TMP, Address(FP, (slot_base - i) * kWordSize));
1213 } 1211 }
1214 } 1212 }
1215 1213
1216 if (FLAG_print_scopes) {
1217 // Print the function scope (again) after generating the prologue in order
1218 // to see annotations such as allocation indices of locals.
1219 if (FLAG_print_ast) {
1220 // Second printing.
1221 OS::Print("Annotated ");
1222 }
1223 AstPrinter::PrintFunctionScope(parsed_function());
1224 }
1225
1226 VisitBlocks(); 1214 VisitBlocks();
1227 1215
1228 __ break_(0); 1216 __ break_(0);
1229 GenerateDeferredCode(); 1217 GenerateDeferredCode();
1230 // Emit function patching code. This will be swapped with the first 5 bytes 1218 // Emit function patching code. This will be swapped with the first 5 bytes
1231 // at entry point. 1219 // at entry point.
1232 AddCurrentDescriptor(PcDescriptors::kPatchCode, 1220 AddCurrentDescriptor(PcDescriptors::kPatchCode,
1233 Isolate::kNoDeoptId, 1221 Isolate::kNoDeoptId,
1234 0); // No token position. 1222 0); // No token position.
1235 __ BranchPatchable(&StubCode::FixCallersTargetLabel()); 1223 __ BranchPatchable(&StubCode::FixCallersTargetLabel());
(...skipping 782 matching lines...) Expand 10 before | Expand all | Expand 10 after
2018 __ AddImmediate(SP, kDoubleSize); 2006 __ AddImmediate(SP, kDoubleSize);
2019 } 2007 }
2020 2008
2021 2009
2022 #undef __ 2010 #undef __
2023 2011
2024 2012
2025 } // namespace dart 2013 } // namespace dart
2026 2014
2027 #endif // defined TARGET_ARCH_MIPS 2015 #endif // defined TARGET_ARCH_MIPS
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