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#pragma once |
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#include |
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#include |
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#include "string.h" |
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#include "refcnt.h" |
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namespace panda { |
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struct Stackframe: public Refcnt { |
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string file; |
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string library; |
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string name; |
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string mangled_name; |
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std::uint64_t address = 0; |
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std::uint64_t offset = 0; |
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std::uint64_t line_no = 0; |
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std::vector args; |
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}; |
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using StackframeSP = iptr; |
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using StackFrames = std::vector; |
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struct BacktraceBackend: Refcnt { |
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virtual bool produce_frame(StackFrames& result, size_t i) = 0; |
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}; |
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using BacktraceBackendSP = iptr; |
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struct BacktraceInfo : Refcnt { |
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BacktraceInfo(std::vector&& frames_) : frames(std::move(frames_)) {} |
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virtual ~BacktraceInfo(); |
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const std::vector& get_frames() const noexcept { return frames;} |
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virtual string to_string() const noexcept; |
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StackFrames frames; |
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}; |
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struct Backtrace; |
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using RawTrace = std::vector; |
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using RawTraceProducer = int(*)(void**, int); |
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using BacktraceProducer = BacktraceBackendSP(*)(const Backtrace& raw_traces); |
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struct Backtrace { |
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static const constexpr int max_depth = 50; |
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Backtrace () noexcept; |
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Backtrace (const Backtrace &other) noexcept; |
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virtual ~Backtrace (); |
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Backtrace& operator=(const Backtrace& other) = default; |
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iptr get_backtrace_info() const noexcept; |
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const RawTrace& get_trace () const noexcept { return buffer; } |
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static void install_producer(BacktraceProducer& producer); |
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static string dump_trace() noexcept; |
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std::vector buffer; |
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}; |
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template |
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struct bt : T, Backtrace { |
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template |
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bt (Args&&... args) noexcept : T(std::forward(args...)) {} |
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}; |
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struct exception : std::exception, Backtrace { |
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exception () noexcept; |
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exception (const string& whats) noexcept; |
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exception (const exception& oth) noexcept; |
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exception& operator= (const exception& oth) noexcept; |
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const char* what () const noexcept override; |
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virtual string whats () const noexcept; |
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private: |
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mutable string _whats; |
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}; |
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} |