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eliminate forward reference parsing work in non-forward-reference cases

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Ryan Fleury
2024-02-17 12:31:15 -08:00
parent e752eebfc9
commit cfe089de8c
1 changed files with 21 additions and 17 deletions
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src/raddbgi_from_pdb/raddbgi_from_pdb.c
+21 -17
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@@ -947,14 +947,12 @@ p2r_convert(Arena *arena, P2R_ConvertIn *in)
//////////////////////////////////////////////////////////////
//- rjf: types pass 1: produce type forward resolution map
//
U64 type_fwd_map_count = 0;
CV_TypeId *type_fwd_map = 0;
CV_TypeId itype_first = tpi_leaf->itype_first;
CV_TypeId itype_opl = tpi_leaf->itype_opl;
ProfScope("types pass 1: produce type forward resolution map")
{
type_fwd_map_count = (U64)itype_opl;
type_fwd_map = push_array(arena, CV_TypeId, type_fwd_map_count);
type_fwd_map = push_array(arena, CV_TypeId, (U64)itype_opl);
for(CV_TypeId itype = itype_first; itype < itype_opl; itype += 1)
{
//- rjf: determine if this itype resolves to another
@@ -976,18 +974,21 @@ p2r_convert(Arena *arena, P2R_ConvertIn *in)
case CV_LeafKind_CLASS:
case CV_LeafKind_STRUCTURE:
{
// rjf: unpack leaf
// rjf: unpack leaf header
CV_LeafStruct *lf_struct = (CV_LeafStruct *)itype_leaf_first;
U8 *numeric_ptr = (U8 *)(lf_struct + 1);
CV_NumericParsed size = cv_numeric_from_data_range(numeric_ptr, itype_leaf_opl);
U8 *name_ptr = numeric_ptr + size.encoded_size;
String8 name = str8_cstring_capped(name_ptr, itype_leaf_opl);
U8 *unique_name_ptr = name_ptr + name.size + 1;
String8 unique_name = str8_cstring_capped(unique_name_ptr, itype_leaf_opl);
// rjf: has fwd ref flag -> lookup itype that this itype resolves to
if(lf_struct->props & CV_TypeProp_FwdRef)
{
// rjf: unpack rest of leaf
U8 *numeric_ptr = (U8 *)(lf_struct + 1);
CV_NumericParsed size = cv_numeric_from_data_range(numeric_ptr, itype_leaf_opl);
U8 *name_ptr = numeric_ptr + size.encoded_size;
String8 name = str8_cstring_capped(name_ptr, itype_leaf_opl);
U8 *unique_name_ptr = name_ptr + name.size + 1;
String8 unique_name = str8_cstring_capped(unique_name_ptr, itype_leaf_opl);
// rjf: lookup
B32 do_unique_name_lookup = (((lf_struct->props & CV_TypeProp_Scoped) != 0) &&
((lf_struct->props & CV_TypeProp_HasUniqueName) != 0));
itype_fwd = pdb_tpi_first_itype_from_name(tpi_hash, tpi_leaf, do_unique_name_lookup?unique_name:name, do_unique_name_lookup);
@@ -998,18 +999,21 @@ p2r_convert(Arena *arena, P2R_ConvertIn *in)
case CV_LeafKind_CLASS2:
case CV_LeafKind_STRUCT2:
{
// rjf: unpack leaf
// rjf: unpack leaf header
CV_LeafStruct2 *lf_struct = (CV_LeafStruct2 *)itype_leaf_first;
U8 *numeric_ptr = (U8 *)(lf_struct + 1);
CV_NumericParsed size = cv_numeric_from_data_range(numeric_ptr, itype_leaf_opl);
U8 *name_ptr = (U8 *)numeric_ptr + size.encoded_size;
String8 name = str8_cstring_capped(name_ptr, itype_leaf_opl);
U8 *unique_name_ptr = name_ptr + name.size + 1;
String8 unique_name = str8_cstring_capped(unique_name_ptr, itype_leaf_opl);
// rjf: has fwd ref flag -> lookup itype that this itype resolves to
if(lf_struct->props & CV_TypeProp_FwdRef)
{
// rjf: unpack rest of leaf
U8 *numeric_ptr = (U8 *)(lf_struct + 1);
CV_NumericParsed size = cv_numeric_from_data_range(numeric_ptr, itype_leaf_opl);
U8 *name_ptr = (U8 *)numeric_ptr + size.encoded_size;
String8 name = str8_cstring_capped(name_ptr, itype_leaf_opl);
U8 *unique_name_ptr = name_ptr + name.size + 1;
String8 unique_name = str8_cstring_capped(unique_name_ptr, itype_leaf_opl);
// rjf: lookup
B32 do_unique_name_lookup = (((lf_struct->props & CV_TypeProp_Scoped) != 0) &&
((lf_struct->props & CV_TypeProp_HasUniqueName) != 0));
itype_fwd = pdb_tpi_first_itype_from_name(tpi_hash, tpi_leaf, do_unique_name_lookup?unique_name:name, do_unique_name_lookup);