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raddbg nil tables, autofill empty tables with 1-sized nils; use element-from-idx wrapper to bounds-check and nilify all out-of-bounds raddbg table accesses

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This commit is contained in:
Ryan Fleury
2024-01-31 08:43:33 -08:00
parent a6f42502ec
commit 385014adcb
13 changed files with 174 additions and 166 deletions
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src/type_graph/type_graph.c
+6 -6
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@@ -331,7 +331,7 @@ tg_type_from_graph_raddbg_key(Arena *arena, TG_Graph *graph, RADDBG_Parsed *rdbg
case TG_KeyKind_Ext:
{
U64 type_node_idx = key.u64[0];
if(0 <= type_node_idx && type_node_idx < rdbg->type_node_count)
if(0 <= type_node_idx && type_node_idx < rdbg->type_nodes_count)
{
RADDBG_TypeNode *rdbg_type = &rdbg->type_nodes[type_node_idx];
TG_Kind kind = tg_kind_from_raddbg_type_kind(rdbg_type->kind);
@@ -348,12 +348,12 @@ tg_type_from_graph_raddbg_key(Arena *arena, TG_Graph *graph, RADDBG_Parsed *rdbg
U32 members_count = 0;
{
U32 udt_idx = rdbg_type->user_defined.udt_idx;
if(0 <= udt_idx && udt_idx < rdbg->udt_count)
if(0 <= udt_idx && udt_idx < rdbg->udts_count)
{
RADDBG_UDT *udt = &rdbg->udts[udt_idx];
members_count = udt->member_count;
members = push_array(arena, TG_Member, members_count);
if(members_count != 0 && 0 <= udt->member_first && udt->member_first+udt->member_count <= rdbg->member_count)
if(members_count != 0 && 0 <= udt->member_first && udt->member_first+udt->member_count <= rdbg->members_count)
{
for(U32 member_idx = udt->member_first;
member_idx < udt->member_first+udt->member_count;
@@ -361,7 +361,7 @@ tg_type_from_graph_raddbg_key(Arena *arena, TG_Graph *graph, RADDBG_Parsed *rdbg
{
RADDBG_Member *src = &rdbg->members[member_idx];
TG_Kind member_type_kind = TG_Kind_Null;
if(src->type_idx < rdbg->type_node_count)
if(src->type_idx < rdbg->type_nodes_count)
{
RADDBG_TypeNode *member_type = &rdbg->type_nodes[src->type_idx];
member_type_kind = tg_kind_from_raddbg_type_kind(member_type->kind);
@@ -406,12 +406,12 @@ tg_type_from_graph_raddbg_key(Arena *arena, TG_Graph *graph, RADDBG_Parsed *rdbg
U32 enum_vals_count = 0;
{
U32 udt_idx = rdbg_type->user_defined.udt_idx;
if(0 <= udt_idx && udt_idx < rdbg->udt_count)
if(0 <= udt_idx && udt_idx < rdbg->udts_count)
{
RADDBG_UDT *udt = &rdbg->udts[udt_idx];
enum_vals_count = udt->member_count;
enum_vals = push_array(arena, TG_EnumVal, enum_vals_count);
if(0 <= udt->member_first && udt->member_first+udt->member_count < rdbg->enum_member_count)
if(0 <= udt->member_first && udt->member_first+udt->member_count < rdbg->enum_members_count)
{
for(U32 member_idx = udt->member_first;
member_idx < udt->member_first+udt->member_count;