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detect and error out on PDB linked with /DEBUG:FASTLINK

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This commit is contained in:
Nikita Smith
2025-02-25 14:42:10 -08:00
parent 6c5d2a05cb
commit a06f576161
4 changed files with 47 additions and 27 deletions
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src/pdb/pdb_parse.c
+40 -24
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@@ -74,34 +74,50 @@ pdb_info_from_data(Arena *arena, String8 data){
// table layout: epilogue
U32 epilogue_base_off = deleted_words_array_off + num_deleted_words*sizeof(U32);
// read table
if (hash_table_count > 0 && epilogue_base_off <= data.size){
PDB_InfoNode *first = 0;
PDB_InfoNode *last = 0;
U32 record_off = epilogue_base_off;
for (U32 i = 0; i < hash_table_count; i += 1, record_off += 8){
U32 *record = (U32*)(data.str + record_off);
U32 relative_name_off = record[0];
MSF_StreamNumber sn = (MSF_StreamNumber)record[1];
if (epilogue_base_off <= data.size){
U64 record_off = epilogue_base_off;
// read table
if (hash_table_count > 0) {
PDB_InfoNode *first = 0;
PDB_InfoNode *last = 0;
U32 name_off = names_base_off + relative_name_off;
String8 name = str8_cstring_capped((char*)(data.str + name_off),
(char*)(data.str + names_base_opl));
for (U32 i = 0; i < hash_table_count; i += 1, record_off += 8){
U32 *record = (U32*)(data.str + record_off);
U32 relative_name_off = record[0];
MSF_StreamNumber sn = (MSF_StreamNumber)record[1];
U32 name_off = names_base_off + relative_name_off;
String8 name = str8_cstring_capped((char*)(data.str + name_off),
(char*)(data.str + names_base_opl));
// push info node
PDB_InfoNode *node = push_array(arena, PDB_InfoNode, 1);
SLLQueuePush(first, last, node);
node->string = name;
node->sn = sn;
}
// push info node
PDB_InfoNode *node = push_array(arena, PDB_InfoNode, 1);
SLLQueuePush(first, last, node);
node->string = name;
node->sn = sn;
result = push_array(arena, PDB_Info, 1);
result->first = first;
result->last = last;
result->auth_guid = *auth_guid;
}
result = push_array(arena, PDB_Info, 1);
result->first = first;
result->last = last;
result->auth_guid = *auth_guid;
// read PDB features
PDB_FeatureFlags features = 0;
for (; record_off + sizeof(PDB_FeatureSig) <= data.size; ) {
PDB_FeatureSig sig = 0;
record_off += str8_deserial_read_struct(data, record_off, &sig);
switch (sig) {
case PDB_FeatureSig_NULL: break;
case PDB_FeatureSig_VC140: features |= PDB_FeatureFlag_HAS_ID_STREAM; break;
case PDB_FeatureSig_NO_TYPE_MERGE: features |= PDB_FeatureFlag_NO_TYPE_MERGE; break;
case PDB_FeatureSig_MINIMAL_DEBUG_INFO: features |= PDB_FeatureFlag_MINIMAL_DBG_INFO; break;
}
}
result->features = features;
}
}
}