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progress on /opt:ref

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Link the debugger and strip unreferenced sections
TODO: Mark referenced undefined symbols for unresolved symbol reporting
This commit is contained in:
Nikita Smith committed 2025-08-07 17:36:11 -07:00
1 parent e1d6b9f319
commit 9a1f96bda2
6 files changed
+621 -656
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src/linker/lnk_symbol_table.h
+12 -8
View File
@@ -32,10 +32,10 @@ typedef struct LNK_SymbolUndefined
typedef struct LNK_Symbol
{
String8 name;
B32 is_live;
union {
LNK_SymbolDefined defined;
LNK_SymbolLib lib;
LNK_SymbolUndefined undef;
} u;
} LNK_Symbol;
@@ -112,7 +112,6 @@ typedef struct
internal LNK_Symbol * lnk_make_defined_symbol(Arena *arena, String8 name, struct LNK_Obj *obj, U32 symbol_idx);
internal LNK_Symbol * lnk_make_lib_symbol(Arena *arena, String8 name, struct LNK_Lib *lib, U64 member_offset);
internal LNK_Symbol * lnk_make_undefined_symbol(Arena *arena, String8 name, struct LNK_Obj *obj);
// --- Symbol Containers ------------------------------------------------------
@@ -126,9 +125,16 @@ internal LNK_SymbolArray lnk_symbol_array_from_list(Arena *arena, LNK_Symbol
// --- Symbol Hash Trie --------------------------------------------------------
internal void lnk_symbol_hash_trie_insert_or_replace(Arena *arena, LNK_SymbolHashTrieChunkList *chunks, LNK_SymbolHashTrie **trie, U64 hash, LNK_SymbolScope scope, LNK_Symbol *symbol);
internal LNK_SymbolHashTrie * lnk_symbol_hash_trie_search(LNK_SymbolHashTrie *trie, U64 hash, String8 name);
internal void lnk_symbol_hash_trie_remove(LNK_SymbolHashTrie *trie);
internal void lnk_symbol_hash_trie_insert_or_replace(Arena *arena, LNK_SymbolHashTrieChunkList *chunks, LNK_SymbolHashTrie **trie, U64 hash, LNK_SymbolScope scope, LNK_Symbol *symbol);
internal LNK_SymbolHashTrie * lnk_symbol_hash_trie_search(LNK_SymbolHashTrie *trie, U64 hash, String8 name);
internal void lnk_symbol_hash_trie_remove(LNK_SymbolHashTrie *trie);
internal LNK_SymbolHashTrieChunk ** lnk_array_from_symbol_hash_trie_chunk_list(Arena *arena, LNK_SymbolHashTrieChunkList *lists, U64 lists_count, U64 *count_out);
// --- Symbol Helpers ----------------------------------------------------------
internal COFF_ParsedSymbol lnk_parsed_symbol_from_defined(LNK_Symbol *symbol);
internal B32 lnk_mark_symbol_live(LNK_Symbol *symbol);
internal LNK_SymbolDefined lnk_default_symbol_from_weak(LNK_SymbolTable *symtab, LNK_SymbolDefined symbol);
// --- Symbol Table ------------------------------------------------------------
@@ -139,7 +145,7 @@ internal void lnk_symbol_table_push(LNK_SymbolTable *symtab, LNK_Sy
internal LNK_Symbol * lnk_symbol_table_search(LNK_SymbolTable *symtab, LNK_SymbolScope scope, String8 name);
internal LNK_Symbol * lnk_symbol_table_searchf(LNK_SymbolTable *symtab, LNK_SymbolScope scope, char *fmt, ...);
internal void lnk_finalize_weak_symbols(TP_Arena *arena, TP_Context *tp, LNK_SymbolTable *symtab);
internal void lnk_replace_weak_symbols_with_default_symbols(TP_Context *tp, LNK_SymbolTable *symtab);
// --- Symbol Contrib Helpers --------------------------------------------------
@@ -149,5 +155,3 @@ internal U64 lnk_sect_off_from_symbol(LNK_Symbol *symbol);
internal U64 lnk_virt_off_from_symbol(COFF_SectionHeader **section_table, LNK_Symbol *symbol);
internal U64 lnk_file_off_from_symbol(COFF_SectionHeader **section_table, LNK_Symbol *symbol);
internal COFF_ParsedSymbol lnk_parsed_symbol_from_defined(LNK_Symbol *symbol);