Changeset 213859 in webkit for trunk/Source/JavaScriptCore/tools/CodeProfile.cpp

Timestamp:

Mar 13, 2017, 12:09:07 PM (8 years ago)

Author:

Yusuke Suzuki

Message:

[JSC][Linux] Allow profilers to demangle C++ names
​https://bugs.webkit.org/show_bug.cgi?id=169559

Reviewed by Michael Catanzaro.

Linux also offers dladdr & demangling feature.
Thus, we can use it to show the names in profilers.
For example, SamplingProfiler tells us the C function names.

• runtime/SamplingProfiler.cpp:

(JSC::SamplingProfiler::StackFrame::displayName):

• tools/CodeProfile.cpp:

(JSC::symbolName):

File:

• trunk/Source/JavaScriptCore/tools/CodeProfile.cpp (modified) (2 diffs)

trunk/Source/JavaScriptCore/tools/CodeProfile.cpp

@@ -33 +33 @@
 #include <wtf/text/WTFString.h>
 
-#if OS(DARWIN)
+#if OS(DARWIN) || OS(LINUX)
 #include <cxxabi.h>
 #include <dlfcn.h>
@@ -56 +56 @@
 static const char* symbolName(void* address)
 {
-#if OS(DARWIN)
+#if OS(DARWIN) || OS(LINUX)
     Dl_info info;
     if (!dladdr(address, &info) || !info.dli_sname)