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Add type info generation for bit_field

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gingerBill
2024-02-27 15:27:51 +00:00
parent 826cf1508b
commit c6ee025063
2 changed files with 77 additions and 8 deletions
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2
src/llvm_backend.cpp
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@@ -1104,6 +1104,8 @@ gb_internal lbProcedure *lb_create_startup_runtime(lbModule *main_module, lbProc
lb_begin_procedure_body(p);
lb_setup_type_info_data(main_module);
if (objc_names) {
LLVMBuildCall2(p->builder, lb_type_internal_for_procedures_raw(main_module, objc_names->type), objc_names->value, nullptr, 0, "");
}

83
src/llvm_backend_type.cpp
View File

@@ -62,6 +62,7 @@ gb_internal u64 lb_typeid_kind(lbModule *m, Type *type, u64 id=0) {
case Type_RelativePointer: kind = Typeid_Relative_Pointer; break;
case Type_RelativeMultiPointer: kind = Typeid_Relative_Multi_Pointer; break;
case Type_SoaPointer: kind = Typeid_SoaPointer; break;
case Type_BitField: kind = Typeid_Bit_Field; break;
}
return kind;
@@ -240,7 +241,7 @@ gb_internal LLVMTypeRef *lb_setup_modified_types_for_type_info(lbModule *m, isiz
return modified_types;
}
gb_internal void lb_setup_type_info_data_giant_array(lbModule *m, i64 global_type_info_data_entity_count, lbProcedure *p) { // NOTE(bill): Setup type_info data
gb_internal void lb_setup_type_info_data_giant_array(lbModule *m, i64 global_type_info_data_entity_count) { // NOTE(bill): Setup type_info data
auto const &ADD_GLOBAL_TYPE_INFO_ENTRY = [](lbModule *m, LLVMTypeRef type, isize index) -> LLVMValueRef {
char name[64] = {};
gb_snprintf(name, 63, "__$ti-%lld", cast(long long)index);
@@ -294,8 +295,10 @@ gb_internal void lb_setup_type_info_data_giant_array(lbModule *m, i64 global_typ
entries_handled[entry_index] = true;
LLVMTypeRef stype = modified_types[0];
if (t->kind != Type_Named) {
LLVMTypeRef stype = nullptr;
if (t->kind == Type_Named) {
stype = modified_types[0];
} else {
stype = modified_types[lb_typeid_kind(m, t)];
}
giant_const_values[entry_index] = ADD_GLOBAL_TYPE_INFO_ENTRY(m, stype, entry_index);
@@ -355,8 +358,10 @@ gb_internal void lb_setup_type_info_data_giant_array(lbModule *m, i64 global_typ
entries_handled[entry_index] = true;
LLVMTypeRef stype = modified_types[0];
if (t->kind != Type_Named) {
LLVMTypeRef stype = nullptr;
if (t->kind == Type_Named) {
stype = modified_types[0];
} else {
stype = modified_types[lb_typeid_kind(m, t)];
}
@@ -982,6 +987,69 @@ gb_internal void lb_setup_type_info_data_giant_array(lbModule *m, i64 global_typ
variant_value = llvm_const_named_struct(m, tag_type, vals, gb_count_of(vals));
}
break;
case Type_BitField:
{
tag_type = t_type_info_bit_field;
LLVMValueRef vals[6] = {};
vals[0] = get_type_info_ptr(m, t->BitField.backing_type);
isize count = t->BitField.fields.count;
if (count > 0) {
i64 names_offset = 0;
i64 types_offset = 0;
i64 bit_sizes_offset = 0;
i64 bit_offsets_offset = 0;
i64 tags_offset = 0;
lbValue memory_names = lb_type_info_member_names_offset (m, count, &names_offset);
lbValue memory_types = lb_type_info_member_types_offset (m, count, &types_offset);
lbValue memory_bit_sizes = lb_type_info_member_offsets_offset(m, count, &bit_sizes_offset);
lbValue memory_bit_offsets = lb_type_info_member_offsets_offset(m, count, &bit_offsets_offset);
lbValue memory_tags = lb_type_info_member_tags_offset (m, count, &tags_offset);
u64 bit_offset = 0;
for (isize source_index = 0; source_index < count; source_index++) {
Entity *f = t->BitField.fields[source_index];
u64 bit_size = cast(u64)t->BitField.bit_sizes[source_index];
lbValue index = lb_const_int(m, t_int, source_index);
if (f->token.string.len > 0) {
lb_global_type_info_member_names_values[names_offset+source_index] = lb_const_string(m, f->token.string).value;
}
lb_global_type_info_member_types_values[types_offset+source_index] = get_type_info_ptr(m, f->type);
lb_global_type_info_member_offsets_values[bit_sizes_offset+source_index] = lb_const_int(m, t_uintptr, bit_size).value;
lb_global_type_info_member_offsets_values[bit_offsets_offset+source_index] = lb_const_int(m, t_uintptr, bit_offset).value;
if (t->BitField.tags) {
String tag = t->BitField.tags[source_index];
if (tag.len > 0) {
lb_global_type_info_member_tags_values[tags_offset+source_index] = lb_const_string(m, tag).value;
}
}
bit_offset += bit_size;
}
lbValue cv = lb_const_int(m, t_int, count);
vals[1] = llvm_const_slice(m, memory_names, cv);
vals[2] = llvm_const_slice(m, memory_types, cv);
vals[3] = llvm_const_slice(m, memory_bit_sizes, cv);
vals[4] = llvm_const_slice(m, memory_bit_offsets, cv);
vals[5] = llvm_const_slice(m, memory_tags, cv);
}
for (isize i = 0; i < gb_count_of(vals); i++) {
if (vals[i] == nullptr) {
vals[i] = LLVMConstNull(lb_type(m, get_struct_field_type(tag_type, i)));
}
}
variant_value = llvm_const_named_struct(m, tag_type, vals, gb_count_of(vals));
break;
}
}
@@ -1034,12 +1102,11 @@ gb_internal void lb_setup_type_info_data_giant_array(lbModule *m, i64 global_typ
}
gb_internal void lb_setup_type_info_data(lbProcedure *p) { // NOTE(bill): Setup type_info data
gb_internal void lb_setup_type_info_data(lbModule *m) { // NOTE(bill): Setup type_info data
if (build_context.no_rtti) {
return;
}
lbModule *m = p->module;
i64 global_type_info_data_entity_count = 0;
@@ -1050,7 +1117,7 @@ gb_internal void lb_setup_type_info_data(lbProcedure *p) { // NOTE(bill): Setup
global_type_info_data_entity_count = type->Array.count;
if (true) {
lb_setup_type_info_data_giant_array(m, global_type_info_data_entity_count, p);
lb_setup_type_info_data_giant_array(m, global_type_info_data_entity_count);
}
LLVMValueRef data = lb_global_type_info_data_ptr(m).value;