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UserspaceEmulator: Use the base address of instructions in backtraces
Instead of using SoftCPU::eip() which points at the *next* instruction most of the time, stash away a "base EIP" so we can use it when making backtraces. This makes the correct line number show up! :^)
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2 changed files with 8 additions and 6 deletions
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@ -56,6 +56,9 @@ public:
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explicit SoftCPU(Emulator&);
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void dump() const;
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u32 base_eip() const { return m_base_eip; }
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void save_base_eip() { m_base_eip = m_eip; }
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u32 eip() const { return m_eip; }
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void set_eip(u32 eip)
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{
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@ -981,6 +984,7 @@ private:
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bool m_flags_tainted { false };
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u32 m_eip { 0 };
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u32 m_base_eip { 0 };
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const u8* m_cached_code_ptr { nullptr };
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const u8* m_cached_code_end { nullptr };
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