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raddbg_from_pdb: cv struct2/class2 paths

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This commit is contained in:
Ryan Fleury
2024-01-25 13:23:50 -08:00
parent c8c5da4f4a
commit 1319a23f98
4 changed files with 77 additions and 6 deletions
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src/raddbg_convert/pdb/raddbg_codeview.h
+2 -3
View File
@@ -2709,7 +2709,7 @@ typedef struct CV_LeafVFPath{
// CV_TypeId[count] base;
} CV_LeafVFPath;
// (LeafKind: CLASS2, CLASS2)
// (LeafKind: CLASS2, STRUCT2)
typedef struct CV_LeafStruct2{
// NOTE: still reverse engineering this - if you find docs please help!
CV_TypeProps props;
@@ -2718,12 +2718,11 @@ typedef struct CV_LeafStruct2{
CV_TypeId derived_itype;
CV_TypeId vshape_itype;
U16 unknown2;
U16 size;
// CV_Numeric size
// U8[] name (null terminated)
// U8[] unique_name (null terminated)
} CV_LeafStruct2;
// (LeafIDKind: FUNC_ID)
typedef struct CV_LeafFuncId{
CV_ItemId scope_string_id;
src/raddbg_convert/pdb/raddbg_codeview_stringize.c
+1 -1
View File
@@ -2054,7 +2054,7 @@ cv_stringize_leaf_range(Arena *arena, String8List *out,
str8_list_pushf(arena, out, " derived_itype=%u\n", struct2->derived_itype);
str8_list_pushf(arena, out, " vshape_itype=%u\n", struct2->vshape_itype);
str8_list_pushf(arena, out, " unknown2=0x%x\n", struct2->unknown2);
str8_list_pushf(arena, out, " size=%u\n", struct2->size);
//str8_list_pushf(arena, out, " size=%u\n", struct2->size);
String8 name = str8_cstring_capped((U8*)(struct2 + 1), first + cap);
str8_list_pushf(arena, out, " name='%.*s'\n", str8_varg(name));
src/raddbg_convert/pdb/raddbg_from_pdb.c
+44 -2
View File
@@ -294,6 +294,38 @@ pdbconv_type_resolve_fwd(PDBCONV_Ctx *ctx, CV_TypeId itype){
}
}break;
case CV_LeafKind_CLASS2:
case CV_LeafKind_STRUCT2:
{
// TODO(allen): error if bad range
if (sizeof(CV_LeafStruct2) <= cap){
CV_LeafStruct2 *lf_struct = (CV_LeafStruct2*)first;
// size
U8 *numeric_ptr = (U8*)(lf_struct + 1);
CV_NumericParsed size = cv_numeric_from_data_range(numeric_ptr, first + cap);
// name
U8 *name_ptr = (U8 *)numeric_ptr + size.encoded_size;
String8 name = str8_cstring_capped((char*)name_ptr, first + cap);
// unique name
U8 *unique_name_ptr = name_ptr + name.size + 1;
String8 unique_name = str8_cstring_capped((char*)unique_name_ptr, first + cap);
if (lf_struct->props & CV_TypeProp_FwdRef){
B32 do_unique_name_lookup = ((lf_struct->props & CV_TypeProp_Scoped) != 0) &&
((lf_struct->props & CV_TypeProp_HasUniqueName) != 0);
if (do_unique_name_lookup){
result = pdb_tpi_first_itype_from_name(ctx->hash, ctx->leaf, unique_name, 1);
}
else{
result = pdb_tpi_first_itype_from_name(ctx->hash, ctx->leaf, name, 0);
}
}
}
}break;
case CV_LeafKind_UNION:
{
// TODO(allen): error if bad range
@@ -1371,10 +1403,20 @@ pdbconv_type_cons_leaf_record(PDBCONV_Ctx *ctx, CV_TypeId itype){
// TODO(allen): handle props
// size
U8 *numeric_ptr = (U8*)(lf_struct + 1);
CV_NumericParsed size = cv_numeric_from_data_range(numeric_ptr, first + cap);
U64 size_u64 = cv_u64_from_numeric(&size);
// name
U8 *name_ptr = (U8*)(lf_struct + 1);
U8 *name_ptr = numeric_ptr + size.encoded_size;
String8 name = str8_cstring_capped((char*)name_ptr, first + cap);
if(str8_match(name, str8_lit("Foo"), 0))
{
int x = 0;
}
// incomplete type
if (lf_struct->props & CV_TypeProp_FwdRef){
RADDBG_TypeKind type_kind = RADDBG_TypeKind_IncompleteStruct;
@@ -1390,7 +1432,7 @@ pdbconv_type_cons_leaf_record(PDBCONV_Ctx *ctx, CV_TypeId itype){
if (range->hdr.kind == CV_LeafKind_CLASS2){
type_kind = RADDBG_TypeKind_Class;
}
result = cons_type_udt(ctx->root, type_kind, name, lf_struct->size);
result = cons_type_udt(ctx->root, type_kind, name, size_u64);
// remember to revisit this for members
{
src/raddbg_convert/pdb/raddbg_pdb.c
+30
View File
@@ -846,6 +846,36 @@ pdb_tpi_itypes_from_name(Arena *arena, PDB_TpiHashParsed *tpi_hash, CV_LeafParse
}
}break;
case CV_LeafKind_CLASS2:
case CV_LeafKind_STRUCT2:
{
if (sizeof(CV_LeafStruct2) <= cap){
CV_LeafStruct2 *lf_struct = (CV_LeafStruct2*)first;
if (!(lf_struct->props & CV_TypeProp_FwdRef)){
// size
U8 *numeric_ptr = (U8*)(lf_struct + 1);
CV_NumericParsed size = cv_numeric_from_data_range(numeric_ptr, first + cap);
// name
U8 *name_ptr = numeric_ptr + size.encoded_size;
String8 name = str8_cstring_capped((char*)name_ptr, (char *)(first + cap));
// unique name
if (compare_unique_name){
if (lf_struct->props & CV_TypeProp_HasUniqueName) {
U8 *unique_name_ptr = name_ptr + name.size + 1;
String8 unique_name = str8_cstring_capped((char*)unique_name_ptr, (char *)(first + cap));
extracted_name = unique_name;
}
}
else{
extracted_name = name;
}
}
}
}break;
case CV_LeafKind_UNION:
{
if (sizeof(CV_LeafUnion) <= cap){