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factor out weak symbol resolution logic and apply it to the symbol table

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when building link context
This commit is contained in:
Nikita Smith
2025-07-23 16:09:48 -07:00
committed by Ryan Fleury
parent 7cd5a670e3
commit d32667546d
9 changed files with 516 additions and 727 deletions
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src/linker/lnk_obj.c
+20 -1
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@@ -352,7 +352,6 @@ THREAD_POOL_TASK_FUNC(lnk_input_coff_symbol_table)
case COFF_SymbolValueInterp_Weak: {
LNK_Symbol *defn = lnk_make_defined_symbol(arena, symbol.name, obj, symbol_idx);
lnk_symbol_table_push_(task->symtab, arena, worker_id, LNK_SymbolScope_Defined, defn);
lnk_symbol_list_push(arena, &task->weak_lists[worker_id], defn);
} break;
case COFF_SymbolValueInterp_Common: {
@@ -466,6 +465,19 @@ lnk_coff_section_header_from_section_number(LNK_Obj *obj, U64 section_number)
return section_header;
}
internal B32
lnk_try_comdat_props_from_section_number(LNK_Obj *obj, U32 section_number, COFF_ComdatSelectType *select_out, U32 *section_length_out, U32 *check_sum_out)
{
Assert(section_number > 0);
U32 symbol_idx = obj->comdats[section_number-1];
if (symbol_idx != max_U32) {
COFF_ParsedSymbol secdef = lnk_parsed_symbol_from_coff_symbol_idx(obj, symbol_idx);
coff_parse_secdef(secdef, obj->header.is_big_obj, select_out, 0, section_length_out, check_sum_out);
return 1;
}
return 0;
}
internal B32
lnk_is_coff_section_debug(LNK_Obj *obj, U64 sect_idx)
{
@@ -533,6 +545,13 @@ lnk_collect_obj_sections(TP_Context *tp, TP_Arena *arena, U64 objs_count, LNK_Ob
return task.out_lists;
}
internal B32
lnk_obj_is_before(void *raw_a, void *raw_b)
{
LNK_Obj *a = raw_a, *b = raw_b;
return a->input_idx < b->input_idx;
}
internal void
lnk_parse_msvc_linker_directive(Arena *arena, LNK_Obj *obj, LNK_DirectiveInfo *directive_info, String8 buffer)
{