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rewrite set linked symbol logic to respect declaration order in obj symbol table

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This commit is contained in:
Nikita Smith
2025-09-07 16:12:45 -07:00
committed by Ryan Fleury
parent 8a22910d9b
commit 00536f7ea8
1 changed files with 28 additions and 3 deletions
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src/linker/lnk_lib.c
+28 -3
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@@ -200,9 +200,34 @@ lnk_lib_list_push_parallel(TP_Context *tp, TP_Arena *arena, LNK_LibList *list, U
internal B32
lnk_lib_set_link_symbol(LNK_Lib *lib, U32 member_idx, LNK_Symbol *link_symbol)
{
LNK_Symbol *slot = ins_atomic_ptr_eval_cond_assign(&lib->was_member_linked[member_idx], link_symbol, 0);
B32 is_first_queue_attempt = (slot == 0);
return is_first_queue_attempt;
local_persist LNK_Symbol null_symbol;
LNK_Symbol *slot = ins_atomic_ptr_eval_assign(&lib->was_member_linked[member_idx], &null_symbol);
B32 is_first_set = (slot == 0);
for (;;) {
// update slot symbol if it is empty or link symbol comes before symbol in the slot
if (slot && slot != &null_symbol) {
if (lnk_symbol_is_before(slot, link_symbol)) {
slot = link_symbol;
}
} else {
slot = link_symbol;
}
// try to insert back updated slot symbol
LNK_Symbol *was_replaced = ins_atomic_ptr_eval_cond_assign(&lib->was_member_linked[member_idx], slot, &null_symbol);
// exit if slot symbol was null
if (was_replaced == &null_symbol) {
break;
}
// reload slot symbol
slot = ins_atomic_ptr_eval_assign(&lib->was_member_linked[member_idx], &null_symbol);
}
return is_first_set;
}
internal B32