29 lines
738 B
C++
29 lines
738 B
C++
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#if defined(WITH_LTTNG) && !defined(_WIN32)
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#include <dlfcn.h>
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#include <cxxabi.h>
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#endif
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const char * get_symbol(void * funptr) {
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#define SYMBOL_UNKNOWN "UNKNOWN"
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#if defined(WITH_LTTNG) && !defined(_WIN32)
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#define SYMBOL_LAMBDA "[lambda]"
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if (funptr == 0) {
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return SYMBOL_LAMBDA;
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}
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Dl_info info;
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if (dladdr(funptr, &info) == 0) {
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return SYMBOL_UNKNOWN;
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}
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char * demangled = nullptr;
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int status;
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demangled = abi::__cxa_demangle(info.dli_sname, NULL, 0, &status);
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// Use demangled symbol if possible
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const char * demangled_val = (status == 0 ? demangled : info.dli_sname);
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return (demangled_val != 0 ? demangled_val : SYMBOL_UNKNOWN);
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#else
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return SYMBOL_UNKNOWN;
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#endif
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}
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