2020-09-13 21:32:55 -04:00
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#pragma once
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2020-08-22 22:30:12 -04:00
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/*!
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* @file link_types.h
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* Types used in the linking data, shared between the object file generator and the kernel's linker.
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*/
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2021-02-09 20:59:14 -05:00
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#include "common_types.h"
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2020-08-22 22:30:12 -04:00
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enum LinkKind {
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LINK_TABLE_END = 0, //! no more linking data
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LINK_SYMBOL_OFFSET = 1, //! link a symbol (pointer to symbol table entry)
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LINK_TYPE_PTR = 2, //! link a pointer to a type.
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LINK_DISTANCE_TO_OTHER_SEG_64 = 3, //! link to another segment
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LINK_DISTANCE_TO_OTHER_SEG_32 = 4, //! link to another segment
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2020-12-19 15:21:29 -05:00
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LINK_PTR = 5, //! link a pointer within this segment
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2020-08-22 22:30:12 -04:00
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};
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enum SegmentTypes { MAIN_SEGMENT = 0, DEBUG_SEGMENT = 1, TOP_LEVEL_SEGMENT = 2 };
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constexpr int N_SEG = 3;
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/*!
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* Data at the front of the DGO.
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*/
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struct DgoHeader {
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u32 object_count;
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char name[60];
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};
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/*!
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* Data at the front of each OBJ.
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*/
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struct ObjectHeader {
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u32 size;
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char name[60];
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};
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2020-11-19 21:22:16 -05:00
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// Header for link data used for V2 linking data
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// used in GOAL and OpenGOAL
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struct LinkHeaderV2 {
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uint32_t type_tag; // always -1
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uint32_t length; // length of link data
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uint32_t version; // always 2
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};
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2020-11-24 20:48:38 -05:00
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// Header for link data used for V4
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struct LinkHeaderV4 {
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uint32_t type_tag; // always -1
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uint32_t length; // length of V2 link data found after object.
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uint32_t version; // always 4
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uint32_t code_size; // length of object data before link data starts
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};
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