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fix udt resolution & emit correct null type

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This commit is contained in:
Nikita Smith
2024-10-18 16:00:50 -07:00
parent 2f5e55d52f
commit 3aa4b2ea03
2 changed files with 50 additions and 50 deletions
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src/linker/lnk_debug_info.c
+28 -21
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@@ -3180,10 +3180,10 @@ THREAD_POOL_TASK_FUNC(lnk_build_udt_name_hash_table_task)
U64 bucket_idx = best_idx;
if (new_bucket == 0) {
new_bucket = push_array(arena, LNK_UDTNameBucket, 1);
new_bucket->name = name;
new_bucket->leaf_idx = leaf_idx;
new_bucket = push_array(arena, LNK_UDTNameBucket, 1);
}
new_bucket->name = name;
new_bucket->leaf_idx = leaf_idx;
B32 is_inserted_or_updated = 0;
do {
@@ -3284,9 +3284,11 @@ lnk_push_converted_codeview_type(Arena *arena, RDIB_TypeChunkList *list, RDIB_Ty
{
RDIB_Type *type = rdib_type_chunk_list_push(arena, list, 8196);
type->final_idx = 0;
type->itype = itype;
type->itype = itype;
Assert(itype_map[itype] == 0);
itype_map[itype] = type;
return type;
}
@@ -3413,35 +3415,40 @@ lnk_push_basic_itypes(Arena *arena, RDIB_DataModel data_model, RDIB_Type **itype
internal RDIB_TypeRef
lnk_rdib_type_from_itype(LNK_ConvertTypesToRDI *task, CV_TypeIndex itype)
{
if (itype < CV_MinComplexTypeIndex) {
// Check for supported CodeView pointer formats:
// - near 64 bit
// - 64 bit
// - 32 bit
AssertAlways((itype >> 8) == /* near */ 0x1 ||
(itype >> 8) == /* 64 bit */ 0x6 ||
(itype >> 8) == /* 32 bit */ 0x4 ||
(itype >> 8) == 0);
RDIB_TypeRef result = &task->tpi_itype_map[0];
Rng1U64 tpi_range = task->itype_ranges[CV_TypeIndexSource_TPI];
if (itype < tpi_range.min) {
// check for supported CodeView pointer formats:
AssertAlways(BitExtract(itype, 8, 8) == /* near */ 0x1 ||
BitExtract(itype, 8, 8) == /* 32 bit */ 0x4 ||
BitExtract(itype, 8, 8) == /* 64 bit */ 0x6 ||
BitExtract(itype, 8, 8) == /* regular */ 0x0);
}
RDIB_TypeRef ref = &task->tpi_itype_map[0];
if (itype < task->itype_ranges[CV_TypeIndexSource_TPI].max) {
if (itype < tpi_range.max) {
CV_TypeIndex final_itype = itype;
if (itype > task->itype_ranges[CV_TypeIndexSource_TPI].min) {
CV_Leaf leaf = cv_debug_t_get_leaf(task->types[CV_TypeIndexSource_TPI], itype - task->itype_ranges[CV_TypeIndexSource_TPI].min);
// try to resovle forward reference (defn might be missing)
if (itype >= tpi_range.min) {
U64 leaf_idx = itype - tpi_range.min;
CV_Leaf leaf = cv_debug_t_get_leaf(task->types[CV_TypeIndexSource_TPI], leaf_idx);
if (cv_is_udt(leaf.kind)) {
CV_UDTInfo udt_info = cv_get_udt_info(leaf.kind, leaf.data);
if (udt_info.props & CV_TypeProp_FwdRef) {
String8 name = cv_name_from_udt_info(udt_info);
final_itype = lnk_udt_name_hash_table_lookup_itype(task->udt_name_buckets, task->udt_name_bucket_cap, name);
String8 name = cv_name_from_udt_info(udt_info);
CV_TypeIndex resolved_itype = lnk_udt_name_hash_table_lookup_itype(task->udt_name_buckets, task->udt_name_bucket_cap, name);
if (resolved_itype != 0) {
final_itype = resolved_itype;
}
}
}
}
ref = &task->tpi_itype_map[final_itype];
result = &task->tpi_itype_map[final_itype];
}
return ref;
return result;
}
internal RDI_MemberKind