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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | |
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. | |
4 | |
5 #include "vm/globals.h" | |
6 #if defined(TARGET_OS_LINUX) | |
7 | |
8 #include "vm/debuginfo.h" | |
9 | |
10 #include "vm/elfgen.h" | |
11 #include "vm/gdbjit_linux.h" | |
12 | |
13 namespace dart { | |
14 | |
15 DebugInfo::DebugInfo() { | |
16 handle_ = reinterpret_cast<void*>(new ElfGen()); | |
17 ASSERT(handle_ != NULL); | |
18 } | |
19 | |
20 | |
21 DebugInfo::~DebugInfo() { | |
22 ElfGen* elf_gen = reinterpret_cast<ElfGen*>(handle_); | |
23 delete elf_gen; | |
24 } | |
25 | |
26 | |
27 void DebugInfo::AddCode(uword pc, intptr_t size) { | |
28 ElfGen* elf_gen = reinterpret_cast<ElfGen*>(handle_); | |
29 elf_gen->AddCode(pc, size); | |
30 } | |
31 | |
32 | |
33 void DebugInfo::AddCodeRegion(const char* name, uword pc, intptr_t size) { | |
34 ElfGen* elf_gen = reinterpret_cast<ElfGen*>(handle_); | |
35 elf_gen->AddCodeRegion(name, pc, size); | |
36 } | |
37 | |
38 | |
39 bool DebugInfo::WriteToMemory(ByteBuffer* region) { | |
40 ElfGen* elf_gen = reinterpret_cast<ElfGen*>(handle_); | |
41 return elf_gen->WriteToMemory(region); | |
42 } | |
43 | |
44 | |
45 DebugInfo* DebugInfo::NewGenerator() { | |
46 return new DebugInfo(); | |
47 } | |
48 | |
49 | |
50 void DebugInfo::RegisterSection(const char* name, | |
51 uword entry_point, | |
52 intptr_t size) { | |
53 ElfGen* elf_section = new ElfGen(); | |
54 ASSERT(elf_section != NULL); | |
55 elf_section->AddCode(entry_point, size); | |
56 elf_section->AddCodeRegion(name, entry_point, size); | |
57 | |
58 ByteBuffer* dynamic_region = new ByteBuffer(); | |
59 ASSERT(dynamic_region != NULL); | |
60 | |
61 elf_section->WriteToMemory(dynamic_region); | |
62 | |
63 ::addDynamicSection(reinterpret_cast<const char*>(dynamic_region->data()), | |
64 dynamic_region->size()); | |
65 dynamic_region->set_data(NULL); | |
66 delete dynamic_region; | |
67 delete elf_section; | |
68 } | |
69 | |
70 | |
71 void DebugInfo::UnregisterAllSections() { | |
72 ::deleteDynamicSections(); | |
73 } | |
74 | |
75 } // namespace dart | |
76 | |
77 #endif // defined(TARGET_OS_LINUX) | |
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