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core/debugger: memory breakpoint support

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This commit is contained in:
Liam 2022-06-06 12:56:01 -04:00
parent f86b770ff7
commit 208ed712f4
19 changed files with 520 additions and 64 deletions
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13
src/core/arm/arm_interface.h
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@ -5,6 +5,7 @@
#pragma once
#include <array>
#include <span>
#include <vector>
#include <dynarmic/interface/halt_reason.h>
@ -19,13 +20,16 @@ struct PageTable;
namespace Kernel {
enum class VMAPermission : u8;
}
enum class DebugWatchpointType : u8;
struct DebugWatchpoint;
} // namespace Kernel
namespace Core {
class System;
class CPUInterruptHandler;
using CPUInterrupts = std::array<CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES>;
using WatchpointArray = std::array<Kernel::DebugWatchpoint, Core::Hardware::NUM_WATCHPOINTS>;
/// Generic ARMv8 CPU interface
class ARM_Interface {
@ -170,6 +174,7 @@ public:
virtual void SaveContext(ThreadContext64& ctx) = 0;
virtual void LoadContext(const ThreadContext32& ctx) = 0;
virtual void LoadContext(const ThreadContext64& ctx) = 0;
void LoadWatchpointArray(const WatchpointArray& wp);
/// Clears the exclusive monitor's state.
virtual void ClearExclusiveState() = 0;
@ -198,18 +203,24 @@ public:
static constexpr Dynarmic::HaltReason break_loop = Dynarmic::HaltReason::UserDefined2;
static constexpr Dynarmic::HaltReason svc_call = Dynarmic::HaltReason::UserDefined3;
static constexpr Dynarmic::HaltReason breakpoint = Dynarmic::HaltReason::UserDefined4;
static constexpr Dynarmic::HaltReason watchpoint = Dynarmic::HaltReason::UserDefined5;
protected:
/// System context that this ARM interface is running under.
System& system;
CPUInterrupts& interrupt_handlers;
const WatchpointArray* watchpoints;
bool uses_wall_clock;
static void SymbolicateBacktrace(Core::System& system, std::vector<BacktraceEntry>& out);
const Kernel::DebugWatchpoint* MatchingWatchpoint(
VAddr addr, u64 size, Kernel::DebugWatchpointType access_type) const;
virtual Dynarmic::HaltReason RunJit() = 0;
virtual Dynarmic::HaltReason StepJit() = 0;
virtual u32 GetSvcNumber() const = 0;
virtual const Kernel::DebugWatchpoint* HaltedWatchpoint() const = 0;
virtual void RewindBreakpointInstruction() = 0;
};
} // namespace Core