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core/arm: separate backtrace collection

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This commit is contained in:
Liam
2022-04-20 20:17:48 -04:00
parent 75ec9f57a0
commit 0ca4dff62c
6 changed files with 98 additions and 90 deletions
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18
src/core/arm/arm_interface.h
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@ -100,6 +100,12 @@ public:
*/
virtual u64 GetPC() const = 0;
/**
* Get the current Stack Pointer
* @return Returns current SP
*/
virtual u64 GetSP() const = 0;
/**
* Get an ARM register
* @param index Register index
@ -182,17 +188,13 @@ public:
std::string name;
};
static std::vector<BacktraceEntry> GetBacktraceFromContext(System& system,
const ThreadContext32& ctx);
static std::vector<BacktraceEntry> GetBacktraceFromContext(System& system,
const ThreadContext64& ctx);
std::vector<BacktraceEntry> GetBacktrace() const;
virtual std::vector<BacktraceEntry> GetBacktrace() const = 0;
/// fp (= r29) points to the last frame record.
/// Note that this is the frame record for the *previous* frame, not the current one.
/// Note we need to subtract 4 from our last read to get the proper address
/// Frame records are two words long:
/// fp+0 : pointer to previous frame record
/// fp+8 : value of lr for frame
void LogBacktrace() const;
protected:
@ -200,6 +202,8 @@ protected:
System& system;
CPUInterrupts& interrupt_handlers;
bool uses_wall_clock;
static void SymbolicateBacktrace(Core::System& system, std::vector<BacktraceEntry>& out);
};
} // namespace Core