Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(195)

Side by Side Diff: runtime/vm/debugger_x64.cc

Issue 1192103004: VM: New calling convention for generated code. (Closed) Base URL: git@github.com:dart-lang/sdk.git@master
Patch Set: Created 5 years, 6 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2011, 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" 5 #include "vm/globals.h"
6 #if defined(TARGET_ARCH_X64) 6 #if defined(TARGET_ARCH_X64)
7 7
8 #include "vm/debugger.h" 8 #include "vm/debugger.h"
9 9
10 #include "vm/assembler.h" 10 #include "vm/assembler.h"
11 #include "vm/code_patcher.h" 11 #include "vm/code_patcher.h"
12 #include "vm/cpu.h" 12 #include "vm/cpu.h"
13 #include "vm/instructions.h" 13 #include "vm/instructions.h"
14 #include "vm/stub_code.h" 14 #include "vm/stub_code.h"
15 15
16 namespace dart { 16 namespace dart {
17 17
18 uword CodeBreakpoint::OrigStubAddress() const { 18 RawCode* CodeBreakpoint::OrigStubAddress() const {
19 return saved_value_; 19 return saved_value_;
20 } 20 }
21 21
22 22
23 void CodeBreakpoint::PatchCode() { 23 void CodeBreakpoint::PatchCode() {
24 ASSERT(!is_enabled_); 24 ASSERT(!is_enabled_);
25 StubCode* stub_code = Isolate::Current()->stub_code(); 25 StubCode* stub_code = Isolate::Current()->stub_code();
26 uword stub_target = 0; 26 Code& stub_target = Code::Handle();
27 switch (breakpoint_kind_) { 27 switch (breakpoint_kind_) {
28 case RawPcDescriptors::kIcCall: 28 case RawPcDescriptors::kIcCall:
29 case RawPcDescriptors::kUnoptStaticCall: 29 case RawPcDescriptors::kUnoptStaticCall:
30 stub_target = stub_code->ICCallBreakpointEntryPoint(); 30 stub_target = stub_code->ICCallBreakpointCode();
31 break; 31 break;
32 case RawPcDescriptors::kRuntimeCall: 32 case RawPcDescriptors::kRuntimeCall:
33 stub_target = stub_code->RuntimeCallBreakpointEntryPoint(); 33 stub_target = stub_code->RuntimeCallBreakpointCode();
34 break; 34 break;
35 default: 35 default:
36 UNREACHABLE(); 36 UNREACHABLE();
37 } 37 }
38 const Code& code = Code::Handle(code_); 38 const Code& code = Code::Handle(code_);
39 saved_value_ = CodePatcher::GetStaticCallTargetAt(pc_, code); 39 saved_value_ = CodePatcher::GetStaticCallTargetAt(pc_, code);
40 CodePatcher::PatchPoolPointerCallAt(pc_, code, stub_target); 40 CodePatcher::PatchPoolPointerCallAt(pc_, code, stub_target);
41 is_enabled_ = true; 41 is_enabled_ = true;
42 } 42 }
43 43
44 44
45 void CodeBreakpoint::RestoreCode() { 45 void CodeBreakpoint::RestoreCode() {
46 ASSERT(is_enabled_); 46 ASSERT(is_enabled_);
47 const Code& code = Code::Handle(code_); 47 const Code& code = Code::Handle(code_);
48 switch (breakpoint_kind_) { 48 switch (breakpoint_kind_) {
49 case RawPcDescriptors::kIcCall: 49 case RawPcDescriptors::kIcCall:
50 case RawPcDescriptors::kUnoptStaticCall: 50 case RawPcDescriptors::kUnoptStaticCall:
51 case RawPcDescriptors::kRuntimeCall: { 51 case RawPcDescriptors::kRuntimeCall: {
52 CodePatcher::PatchPoolPointerCallAt(pc_, code, saved_value_); 52 CodePatcher::PatchPoolPointerCallAt(
53 pc_, code, Code::Handle(saved_value_));
53 break; 54 break;
54 } 55 }
55 default: 56 default:
56 UNREACHABLE(); 57 UNREACHABLE();
57 } 58 }
58 is_enabled_ = false; 59 is_enabled_ = false;
59 } 60 }
60 61
61 62
62 } // namespace dart 63 } // namespace dart
63 64
64 #endif // defined TARGET_ARCH_X64 65 #endif // defined TARGET_ARCH_X64
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698