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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 "platform/globals.h" | 5 #include "platform/globals.h" |
6 #if defined(TARGET_OS_ANDROID) | 6 #if defined(TARGET_OS_ANDROID) |
7 | 7 |
8 #include "vm/native_symbol.h" | 8 #include "vm/native_symbol.h" |
9 | 9 |
10 #include <dlfcn.h> // NOLINT | 10 #include <dlfcn.h> // NOLINT |
11 | 11 |
12 namespace dart { | 12 namespace dart { |
13 | 13 |
14 void NativeSymbolResolver::InitOnce() { | 14 void NativeSymbolResolver::InitOnce() {} |
15 } | |
16 | 15 |
17 | 16 |
18 void NativeSymbolResolver::ShutdownOnce() { | 17 void NativeSymbolResolver::ShutdownOnce() {} |
19 } | |
20 | 18 |
21 | 19 |
22 char* NativeSymbolResolver::LookupSymbolName(uintptr_t pc, uintptr_t* start) { | 20 char* NativeSymbolResolver::LookupSymbolName(uintptr_t pc, uintptr_t* start) { |
23 Dl_info info; | 21 Dl_info info; |
24 int r = dladdr(reinterpret_cast<void*>(pc), &info); | 22 int r = dladdr(reinterpret_cast<void*>(pc), &info); |
25 if (r == 0) { | 23 if (r == 0) { |
26 return NULL; | 24 return NULL; |
27 } | 25 } |
28 if (info.dli_sname == NULL) { | 26 if (info.dli_sname == NULL) { |
29 return NULL; | 27 return NULL; |
30 } | 28 } |
31 if (start != NULL) { | 29 if (start != NULL) { |
32 *start = reinterpret_cast<uintptr_t>(info.dli_saddr); | 30 *start = reinterpret_cast<uintptr_t>(info.dli_saddr); |
33 } | 31 } |
34 return strdup(info.dli_sname); | 32 return strdup(info.dli_sname); |
35 } | 33 } |
36 | 34 |
37 | 35 |
38 void NativeSymbolResolver::FreeSymbolName(char* name) { | 36 void NativeSymbolResolver::FreeSymbolName(char* name) { |
39 free(name); | 37 free(name); |
40 } | 38 } |
41 | 39 |
42 | 40 |
43 } // namespace dart | 41 } // namespace dart |
44 | 42 |
45 #endif // defined(TARGET_OS_ANDROID) | 43 #endif // defined(TARGET_OS_ANDROID) |
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