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https://github.com/ClickHouse/ClickHouse.git
synced 2024-10-16 05:20:51 +00:00
75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
#if !defined(__APPLE__) && !defined(__FreeBSD__)
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#include <malloc.h>
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#endif
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#include <execinfo.h>
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#include <string.h>
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#include <sstream>
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#include <Common/StackTrace.h>
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#include <common/demangle.h>
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/// Arcadia compatibility DEVTOOLS-3976
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#if defined(BACKTRACE_INCLUDE)
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#include BACKTRACE_INCLUDE
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#endif
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#if !defined(BACKTRACE_FUNC)
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#define BACKTRACE_FUNC backtrace
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#endif
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StackTrace::StackTrace()
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{
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frames_size = BACKTRACE_FUNC(frames, STACK_TRACE_MAX_DEPTH);
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}
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std::string StackTrace::toString() const
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{
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char ** symbols = backtrace_symbols(frames, frames_size);
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std::stringstream res;
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if (!symbols)
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return "Cannot get symbols for stack trace.\n";
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try
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{
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for (size_t i = 0, size = frames_size; i < size; ++i)
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{
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/// We do "demangling" of names. The name is in parenthesis, before the '+' character.
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char * name_start = nullptr;
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char * name_end = nullptr;
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std::string demangled_name;
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int status = 0;
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if (nullptr != (name_start = strchr(symbols[i], '('))
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&& nullptr != (name_end = strchr(name_start, '+')))
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{
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++name_start;
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*name_end = '\0';
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demangled_name = demangle(name_start, status);
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*name_end = '+';
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}
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res << i << ". ";
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if (0 == status && name_start && name_end)
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{
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res.write(symbols[i], name_start - symbols[i]);
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res << demangled_name << name_end;
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}
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else
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res << symbols[i];
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res << std::endl;
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}
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}
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catch (...)
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{
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free(symbols);
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throw;
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}
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free(symbols);
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return res.str();
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}
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