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77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
#include "MemoryAllocator/CodeBuffer/CodeBufferBase.h"
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#include "xnucxx/LiteMemOpt.h"
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// alk
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#include <iomanip>
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#include <iostream>
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CodeBufferBase *CodeBufferBase::Copy() {
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CodeBufferBase *result = new CodeBufferBase(this->getCapacity());
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result->EmitBuffer(this->getRawBuffer(), this->getSize());
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return result;
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}
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void CodeBufferBase::Emit8(uint8_t value) {
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DLOG(0, "[code buffer] Emit8 with %x, cursor %x", value, buffer_cursor);
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// Ensure the free space enough for the template T value
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this->ensureCapacity(sizeof(uint8_t) + this->getSize());
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*reinterpret_cast<uint8_t *>(buffer_cursor) = value;
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buffer_cursor += sizeof(uint8_t);
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}
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void CodeBufferBase::Emit16(uint16_t value) {
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DLOG(0, "[code buffer] Emit16 with %x, cursor %x", value, buffer_cursor);
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// Ensure the free space enough for the template T value
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this->ensureCapacity(sizeof(uint16_t) + this->getSize());
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*reinterpret_cast<uint16_t *>(buffer_cursor) = value;
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buffer_cursor += sizeof(uint16_t);
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}
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void CodeBufferBase::Emit32(uint32_t value) {
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DLOG(0, "[code buffer] Emit32 with %x, cursor %x", value, buffer_cursor);
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// Ensure the free space enough for the template T value
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this->ensureCapacity(sizeof(uint32_t) + this->getSize());
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*reinterpret_cast<uint32_t *>(buffer_cursor) = value;
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buffer_cursor += sizeof(uint32_t);
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}
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void CodeBufferBase::Emit64(uint64_t value) {
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DLOG(0, "[code buffer] Emit64 with %x, cursor %x", value, buffer_cursor);
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// Ensure the free space enough for the template T value
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this->ensureCapacity(sizeof(uint64_t) + this->getSize());
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*reinterpret_cast<uint64_t *>(buffer_cursor) = value;
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buffer_cursor += sizeof(uint64_t);
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}
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void CodeBufferBase::EmitBuffer(void *buffer, int buffer_size) {
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DLOG(0, "[code buffer] EmitBuffer with size %d, cursor %x", buffer_size, buffer_cursor);
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// Ensure the free space enough for the template T value
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this->ensureCapacity(buffer_size + this->getSize());
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_memcpy(buffer_cursor, buffer, buffer_size);
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buffer_cursor += buffer_size;
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}
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#if 0 // Template Advanced won't enable even in userspace
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template <typename T> T CodeBufferBase::Load(int offset) {
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return *reinterpret_cast<T *>(buffer + offset);
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}
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template <typename T> void CodeBufferBase::Store(int offset, T value) {
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*reinterpret_cast<T *>(buffer + offset) = value;
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}
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template <typename T> void CodeBufferBase::Emit(T value) {
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// Ensure the free space enough for the template T value
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ensureCapacity(sizeof(T) + getSize());
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*reinterpret_cast<T *>(buffer_cursor) = value;
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buffer_cursor += sizeof(T);
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}
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#endif
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