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WIP cache COFF symbol interp

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This commit is contained in:
Nikita Smith
2026-07-27 14:47:23 -07:00
committed by Ryan Fleury
parent a779d3f1a5
commit 4cc0f4813b
4 changed files with 98 additions and 42 deletions
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src/linker/lnk.c
+14 -25
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@@ -1701,35 +1701,24 @@ THREAD_POOL_TASK_FUNC(lnk_search_lib_task)
U64 i_begin = (c == start_chunk) ? start_idx : 0;
U64 i_end = (c == end_chunk) ? end_count : c->count;
for (U64 i = i_begin; i < i_end; i += 1) {
LNK_Symbol *symbol = c->v[i].symbol;
LNK_ObjSymbolRef symbol_ref = lnk_ref_from_symbol(symbol);
COFF_ParsedSymbol symbol_parsed = lnk_parsed_symbol_from_coff_symbol_idx_no_name(symbol_ref.obj, symbol_ref.symbol_idx);
COFF_SymbolValueInterpType symbol_interp = coff_interp_from_parsed_symbol(symbol_parsed);
LNK_Symbol *symbol = c->v[i].symbol;
LNK_SymbolSearchType search_type = lnk_search_type_from_symbol(symbol);
if (symbol_interp == COFF_SymbolValueInterp_Undefined) {
if (search_type == LNK_SymbolSearch_Undefined || search_type == LNK_SymbolSearch_WeakLibrary) {
U32 member_idx;
if (lnk_search_lib(lib, symbol->name, &member_idx)) {
lnk_queue_lib_member(arena, task->imports_hm, task->link->lib_member_infos_hm, member_ref_list, symbol, lib, lib_member_infos, member_idx);
}
} else if (symbol_interp == COFF_SymbolValueInterp_Weak) {
COFF_SymbolWeakExt *weak_ext = coff_parse_weak_tag(symbol_parsed, symbol_ref.obj->header.is_big_obj);
if (weak_ext->characteristics == COFF_WeakExt_SearchLibrary) {
U32 member_idx;
if (lnk_search_lib(lib, symbol->name, &member_idx)) {
lnk_queue_lib_member(arena, task->imports_hm, task->link->lib_member_infos_hm, member_ref_list, symbol, lib, lib_member_infos, member_idx);
}
} else if (weak_ext->characteristics == COFF_WeakExt_AntiDependency) {
if (search_anti_deps) {
LNK_ObjSymbolRef dep_symbol = {0};
if (lnk_resolve_weak_symbol(symtab, symbol_ref, &dep_symbol)) {
COFF_ParsedSymbol dep_parsed = lnk_parsed_symbol_from_coff_symbol_idx_no_name(dep_symbol.obj, dep_symbol.symbol_idx);
COFF_SymbolValueInterpType dep_interp = coff_interp_from_parsed_symbol(dep_parsed);
if (dep_interp == COFF_SymbolValueInterp_Weak) {
U32 member_idx;
if (lnk_search_lib(lib, symbol->name, &member_idx)) {
lnk_queue_lib_member(arena, task->imports_hm, task->link->lib_member_infos_hm, member_ref_list, symbol, lib, lib_member_infos, member_idx);
}
}
} else if (search_type == LNK_SymbolSearch_WeakAntiDependency && search_anti_deps) {
LNK_ObjSymbolRef symbol_ref = lnk_ref_from_symbol(symbol);
LNK_ObjSymbolRef dep_symbol = {0};
if (lnk_resolve_weak_symbol(symtab, symbol_ref, &dep_symbol)) {
COFF_ParsedSymbol dep_parsed = lnk_parsed_symbol_from_coff_symbol_idx_no_name(dep_symbol.obj, dep_symbol.symbol_idx);
COFF_SymbolValueInterpType dep_interp = coff_interp_from_parsed_symbol(dep_parsed);
if (dep_interp == COFF_SymbolValueInterp_Weak) {
U32 member_idx;
if (lnk_search_lib(lib, symbol->name, &member_idx)) {
lnk_queue_lib_member(arena, task->imports_hm, task->link->lib_member_infos_hm, member_ref_list, symbol, lib, lib_member_infos, member_idx);
}
}
}
@@ -1979,7 +1968,7 @@ lnk_link_inputs(TP_Context *tp,
// replace the import symbol with a stub, which is later replaced with the real import symbol once import obj is ready.
member_ref->link_symbol->first_ref = import_stub->first_ref;
member_ref->link_symbol->last_ref = import_stub->last_ref;
member_ref->link_symbol->last_ref_and_search_type = import_stub->last_ref_and_search_type;
// push import member for import obj generation
lnk_lib_member_ref_list_push_node(&link->imports, member_ref);