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38 lines
948 B
C++
38 lines
948 B
C++
#pragma once
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#include "types.h"
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class JitCodeBuffer
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{
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public:
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JitCodeBuffer(size_t size = 64 * 1024 * 1024, size_t far_code_size = 0);
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~JitCodeBuffer();
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void Reset();
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void* GetFreeCodePointer() const { return m_free_code_ptr; }
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size_t GetFreeCodeSpace() const { return (m_code_size - m_code_used); }
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void CommitCode(size_t length);
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void* GetFreeFarCodePointer() const { return m_free_far_code_ptr; }
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size_t GetFreeFarCodeSpace() const { return (m_far_code_size - m_far_code_used); }
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void CommitFarCode(size_t length);
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/// Adjusts the free code pointer to the specified alignment, padding with bytes.
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/// Assumes alignment is a power-of-two.
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void Align(u32 alignment, u8 padding_value);
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private:
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void* m_code_ptr;
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void* m_free_code_ptr;
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size_t m_code_size;
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size_t m_code_used;
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void* m_far_code_ptr;
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void* m_free_far_code_ptr;
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size_t m_far_code_size;
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size_t m_far_code_used;
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size_t m_total_size;
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};
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