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Issue 100103011: Changes to support dprof and Observatory profiler UIs (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 6 years, 11 months 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" 5 #include "vm/globals.h"
6 #if defined(TARGET_OS_MACOS) 6 #if defined(TARGET_OS_MACOS)
7 7
8 #include "vm/native_symbol.h" 8 #include "vm/native_symbol.h"
9 #include "vm/thread.h" 9 #include "vm/thread.h"
10 10
11 #include <cxxabi.h> // NOLINT 11 #include <cxxabi.h> // NOLINT
12 #include <dlfcn.h> // NOLINT 12 #include <dlfcn.h> // NOLINT
13 13
14 namespace dart { 14 namespace dart {
15 15
16 void NativeSymbolResolver::InitOnce() { 16 void NativeSymbolResolver::InitOnce() {
17 } 17 }
18 18
19 19
20 void NativeSymbolResolver::ShutdownOnce() { 20 void NativeSymbolResolver::ShutdownOnce() {
21 } 21 }
22 22
23 23
24 char* NativeSymbolResolver::LookupSymbolName(uintptr_t pc) { 24 char* NativeSymbolResolver::LookupSymbolName(uintptr_t pc, uintptr_t* start) {
25 Dl_info info; 25 Dl_info info;
26 int r = dladdr(reinterpret_cast<void*>(pc), &info); 26 int r = dladdr(reinterpret_cast<void*>(pc), &info);
27 if (r == 0) { 27 if (r == 0) {
28 return NULL; 28 return NULL;
29 } 29 }
30 if (info.dli_sname == NULL) { 30 if (info.dli_sname == NULL) {
31 return NULL; 31 return NULL;
32 } 32 }
33 if (start != NULL) {
34 *start = reinterpret_cast<uintptr_t>(info.dli_saddr);
35 }
33 int status; 36 int status;
34 char* demangled = abi::__cxa_demangle(info.dli_sname, NULL, NULL, &status); 37 char* demangled = abi::__cxa_demangle(info.dli_sname, NULL, NULL, &status);
35 if (status == 0) { 38 if (status == 0) {
36 return demangled; 39 return demangled;
37 } 40 }
38 return strdup(info.dli_sname); 41 return strdup(info.dli_sname);
39 } 42 }
40 43
41 44
42 void NativeSymbolResolver::FreeSymbolName(char* name) { 45 void NativeSymbolResolver::FreeSymbolName(char* name) {
43 free(name); 46 free(name);
44 } 47 }
45 48
46 49
47 } // namespace dart 50 } // namespace dart
48 51
49 #endif // defined(TARGET_OS_MACOS) 52 #endif // defined(TARGET_OS_MACOS)
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