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53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
#pragma once
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/*!
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* @file LinkedWord.h
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* A word (4 bytes), possibly with some linking info.
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*/
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#include <cstdint>
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#include <string>
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#include "common/util/assert.h"
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#include "common/common_types.h"
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namespace decompiler {
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class LinkedWord {
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public:
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explicit LinkedWord(uint32_t _data) : data(_data) {}
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enum Kind {
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PLAIN_DATA, // just plain data
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PTR, // pointer to a location
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HI_PTR, // lower 16-bits of this data are the upper 16 bits of a pointer
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LO_PTR, // lower 16-bits of this data are the lower 16 bits of a pointer
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SYM_PTR, // this is a pointer to a symbol
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EMPTY_PTR, // this is a pointer to the empty list
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SYM_OFFSET, // this is an offset of a symbol in the symbol table
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TYPE_PTR // this is a pointer to a type
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} kind = PLAIN_DATA;
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uint32_t data = 0;
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int label_id = -1;
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std::string symbol_name;
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u8 get_byte(int idx) const {
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assert(kind == PLAIN_DATA);
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switch (idx) {
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case 0:
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return data & 0xff;
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case 1:
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return (data >> 8) & 0xff;
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case 2:
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return (data >> 16) & 0xff;
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case 3:
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return (data >> 24) & 0xff;
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default:
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assert(false);
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return 0;
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}
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}
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};
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} // namespace decompiler
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