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A64: Add Step

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Allow for stepping instruction-by-instruction
This commit is contained in:
MerryMage
2020-04-06 15:05:50 +01:00
parent 53e23efcef
commit f69c77391e
11 changed files with 108 additions and 32 deletions
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3
src/backend/x64/block_of_code.h
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@@ -51,6 +51,8 @@ public:
void RunCode(void* jit_state) const;
/// Runs emulated code from code_ptr.
void RunCodeFrom(void* jit_state, CodePtr code_ptr) const;
/// Runs emulated code from code_ptr for a single cycle.
void StepCode(void* jit_state, CodePtr code_ptr) const;
/// Code emitter: Returns to dispatcher
void ReturnFromRunCode(bool mxcsr_already_exited = false);
/// Code emitter: Returns to dispatcher, forces return to host
@@ -158,6 +160,7 @@ private:
using RunCodeFuncType = void(*)(void*);
using RunCodeFromFuncType = void(*)(void*, CodePtr);
RunCodeFuncType run_code = nullptr;
RunCodeFromFuncType step_code = nullptr;
RunCodeFromFuncType run_code_from = nullptr;
static constexpr size_t MXCSR_ALREADY_EXITED = 1 << 0;
static constexpr size_t FORCE_RETURN = 1 << 1;