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https://github.com/Ed94/raddebugger.git
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This commit is contained in:
Nikita Smith
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// Copyright (c) 2024 Epic Games Tools
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// Licensed under the MIT license (https://opensource.org/license/mit/)
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#pragma once
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typedef struct LNK_Section
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{
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Arena *arena;
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U64 id;
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String8 name;
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String8 symbol_name;
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COFF_SectionFlags flags;
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String8 sort_index;
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LNK_ChunkManager *cman;
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LNK_Chunk *root;
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// overwhelming number of chunks don't have sort index and grouping
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// them speeds up sort step
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LNK_Chunk *nosort_chunk;
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LNK_RelocList reloc_list;
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B32 emit_header; // TODO: this is a hack to make reloc serializer work in resource converter
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B32 has_layout;
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B32 is_loose;
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B32 is_merged;
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U64 merge_sect_id;
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U64 *id_map;
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U64 isect;
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U64 virt_off;
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U64 file_off;
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LNK_ChunkLayout layout;
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} LNK_Section;
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typedef struct LNK_SectionNode
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{
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struct LNK_SectionNode *next;
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LNK_Section data;
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} LNK_SectionNode;
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typedef struct LNK_SectionList
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{
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U64 count;
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LNK_SectionNode *first;
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LNK_SectionNode *last;
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} LNK_SectionList;
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typedef struct LNK_SectionArray
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{
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U64 count;
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LNK_Section *v;
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} LNK_SectionArray;
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typedef struct LNK_SectionPtrArray
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{
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U64 count;
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LNK_Section **v;
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} LNK_SectionPtrArray;
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typedef struct LNK_SectionTable
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{
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Arena *arena;
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U64 section_virt_off;
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U64 sect_align;
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U64 file_align;
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U64 id_max;
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LNK_SectionList list;
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LNK_SectionList merge_list;
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LNK_SectionList empties_list;
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LNK_SectionNode *null_sect;
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} LNK_SectionTable;
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////////////////////////////////
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typedef struct
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{
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COFF_MachineType machine;
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Rng1U64 *range_arr;
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LNK_Section **sect_arr;
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} LNK_SectionDataBuilder;
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////////////////////////////////
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internal LNK_SectionNode * lnk_section_list_remove(LNK_SectionList *list, String8 name);
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internal LNK_SectionNode * lnk_section_list_search_node(LNK_SectionList *list, String8 name);
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internal LNK_Section * lnk_section_list_search(LNK_SectionList *list, String8 name);
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internal LNK_SectionArray lnk_section_array_from_list(Arena *arena, LNK_SectionList list);
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internal LNK_SectionPtrArray lnk_section_ptr_array_from_list(Arena *arena, LNK_SectionList list);
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internal void lnk_section_associate_chunks(LNK_Section *sect, LNK_Chunk *head, LNK_Chunk *associate);
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internal LNK_Reloc * lnk_section_push_reloc(LNK_Section *sect, LNK_Chunk *chunk, LNK_RelocType type, U64 apply_off, LNK_Symbol *symbol);
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internal LNK_Reloc * lnk_section_push_reloc_undefined(LNK_Section *sect, LNK_Chunk *chunk, LNK_RelocType type, U64 apply_off, String8 undefined_symbol_name, LNK_SymbolScopeFlags scope_flags);
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internal void lnk_section_merge(LNK_Section *dst, LNK_Section *src);
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internal void lnk_section_build_data(LNK_Section *sect, COFF_MachineType machine);
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internal String8 lnk_make_section_sort_index(Arena *arena, String8 name, COFF_SectionFlags flags, U64 section_index);
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internal LNK_Chunk * lnk_section_push_chunk_raw(LNK_Section *sect, LNK_Chunk *parent, void *data_ptr, U64 data_size, String8 sort_index);
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internal LNK_Chunk * lnk_section_push_chunk_data(LNK_Section *sect, LNK_Chunk *parent, String8 data, String8 sort_index);
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internal LNK_Chunk * lnk_section_push_chunk_u32(LNK_Section *sect, LNK_Chunk *parent, U32 value, String8 sort_index);
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internal LNK_Chunk * lnk_section_push_chunk_u64(LNK_Section *sect, LNK_Chunk *parent, U32 value, String8 sort_index);
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internal LNK_Chunk * lnk_section_push_chunk_bss(LNK_Section *sect, LNK_Chunk *parent, U64 size, String8 sort_index);
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internal LNK_Chunk * lnk_section_push_chunk_list(LNK_Section *sect, LNK_Chunk *parent, String8 sort_index);
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internal LNK_SectionTable * lnk_section_table_alloc(U64 section_virt_off, U64 sect_align, U64 file_align);
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internal void lnk_section_table_release(LNK_SectionTable **st_ptr);
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internal LNK_Section * lnk_section_table_push(LNK_SectionTable *st, String8 name, COFF_SectionFlags flags);
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internal LNK_Section * lnk_section_table_push_null(LNK_SectionTable *st);
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internal void lnk_section_table_remove(LNK_SectionTable *st, LNK_SymbolTable *symtab, String8 name);
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internal LNK_Section * lnk_section_table_search(LNK_SectionTable *st, String8 name);
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internal LNK_Section * lnk_section_table_search_id(LNK_SectionTable *st, U64 id);
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internal void lnk_section_table_merge(LNK_SectionTable *st, LNK_MergeDirectiveList merge_list);
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internal void lnk_section_table_remove_empties(LNK_SectionTable *st, LNK_SymbolTable *symtab);
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internal void lnk_section_table_build_data(TP_Context *tp, LNK_SectionTable *st, COFF_MachineType machine);
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internal void lnk_section_table_assign_virtual_offsets(LNK_SectionTable *st);
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internal void lnk_section_table_assign_file_offsets(LNK_SectionTable *st);
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internal void lnk_section_table_assign_indices(LNK_SectionTable *st);
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internal String8 lnk_section_table_serialize(Arena *arena, LNK_SectionTable *st);
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internal LNK_ChunkPtr ** lnk_chunk_id_map_from_section_table(Arena *arena, LNK_SectionTable *st);
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internal LNK_Section ** lnk_sect_id_map_from_section_table(Arena *arena, LNK_SectionTable *st);
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internal LNK_ChunkRef lnk_get_final_chunk_ref(LNK_Section **sect_id_map, LNK_ChunkRef chunk_ref);
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internal LNK_Section * lnk_sect_from_chunk_ref(LNK_Section **sect_id_map, LNK_ChunkRef chunk_ref);
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internal LNK_Chunk * lnk_chunk_from_chunk_ref(LNK_Section **sect_id_map, LNK_ChunkPtr **chunk_id_map, LNK_ChunkRef chunk_ref);
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internal U64 lnk_isect_from_chunk_ref(LNK_Section **sect_id_map, LNK_ChunkRef chunk_ref);
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internal U64 lnk_off_from_chunk_ref(LNK_Section **sect_id_map, LNK_ChunkRef chunk_ref);
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internal U64 lnk_virt_off_from_chunk_ref(LNK_Section **sect_id_map, LNK_ChunkRef chunk_ref);
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internal U64 lnk_file_off_from_chunk_ref(LNK_Section **sect_id_map, LNK_ChunkRef chunk_ref);
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internal U64 lnk_virt_size_from_chunk_ref(LNK_Section **sect_id_map, LNK_ChunkRef chunk_ref);
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internal U64 lnk_file_size_from_chunk_ref(LNK_Section **sect_id_map, LNK_ChunkRef chunk_ref);
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internal String8 lnk_data_from_chunk_ref(LNK_Section **sect_id_map, LNK_ChunkRef chunk_ref);
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internal String8 lnk_data_from_chunk_ref_no_pad(LNK_Section **sect_id_map, LNK_ChunkRef chunk_ref);
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internal ISectOff lnk_sc_from_chunk_ref(LNK_Section **sect_id_map, LNK_ChunkRef chunk_ref);
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internal U64 lnk_virt_off_from_reloc(LNK_Section **sect_id_map, LNK_Reloc *reloc);
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internal U64 lnk_isect_from_symbol(LNK_Section **sect_id_map, LNK_Symbol *symbol);
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internal U64 lnk_sect_off_from_symbol(LNK_Section **sect_id_map, LNK_Symbol *symbol);
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internal U64 lnk_virt_off_from_symbol(LNK_Section **sect_id_map, LNK_Symbol *symbol);
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internal U64 lnk_file_off_from_symbol(LNK_Section **sect_id_map, LNK_Symbol *symbol);
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internal U64 lnk_virt_size_from_symbol(LNK_Section **sect_id_map, LNK_Symbol *symbol);
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internal U64 lnk_file_size_from_symbol(LNK_Section **sect_id_map, LNK_Symbol *symbol);
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#if LNK_DEBUG_CHUNKS
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internal void lnk_dump_chunks(LNK_SectionTable *st);
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#endif
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