Correct debug info for basic composite types (e.g. string, any)

This commit is contained in:
gingerBill
2021-03-22 15:36:18 +00:00
parent 8ab1b32fe1
commit bf46a3f1d3

View File

@@ -1540,6 +1540,30 @@ LLVMMetadataRef lb_debug_type_internal_proc(lbModule *m, Type *type) {
return LLVMDIBuilderCreateSubroutineType(m->debug_builder, file, parameters, parameter_count, flags);
}
LLVMMetadataRef lb_debug_struct_field(lbModule *m, String const &name, Type *type, u64 offset_in_bits) {
unsigned field_line = 1;
LLVMDIFlags field_flags = LLVMDIFlagZero;
AstPackage *pkg = m->info->runtime_package;
GB_ASSERT(pkg->files.count != 0);
LLVMMetadataRef file = lb_get_llvm_metadata(m, pkg->files[0]);
LLVMMetadataRef scope = file;
return LLVMDIBuilderCreateMemberType(m->debug_builder, scope, cast(char const *)name.text, name.len, file, field_line,
8*cast(u64)type_size_of(type), 8*cast(u32)type_align_of(type), offset_in_bits,
field_flags, lb_debug_type(m, type)
);
}
LLVMMetadataRef lb_debug_basic_struct(lbModule *m, String const &name, u64 size_in_bits, u32 align_in_bits, LLVMMetadataRef *elements, unsigned element_count) {
AstPackage *pkg = m->info->runtime_package;
GB_ASSERT(pkg->files.count != 0);
LLVMMetadataRef file = lb_get_llvm_metadata(m, pkg->files[0]);
LLVMMetadataRef scope = file;
return LLVMDIBuilderCreateStructType(m->debug_builder, scope, cast(char const *)name.text, name.len, file, 1, size_in_bits, align_in_bits, LLVMDIFlagZero, nullptr, elements, element_count, 0, nullptr, "", 0);
}
LLVMMetadataRef lb_debug_type_internal(lbModule *m, Type *type) {
Type *original_type = type;
@@ -1581,40 +1605,36 @@ LLVMMetadataRef lb_debug_type_internal(lbModule *m, Type *type) {
// Basic_complex32,
case Basic_complex64:
{
unsigned element_count = 0;
LLVMMetadataRef elements[2] = {};
elements[0] = lb_debug_type(m, t_f32);
elements[1] = lb_debug_type(m, t_f32);
return LLVMDIBuilderCreateStructType(m->debug_builder, nullptr, "complex64", 9, nullptr, 0, 64, 32, LLVMDIFlagZero, nullptr, elements, element_count, 0, nullptr, "", 0);
elements[0] = lb_debug_struct_field(m, str_lit("real"), t_f32, 0);
elements[1] = lb_debug_struct_field(m, str_lit("imag"), t_f32, 4);
return lb_debug_basic_struct(m, str_lit("complex64"), 64, 32, elements, gb_count_of(elements));
}
case Basic_complex128:
{
unsigned element_count = 0;
LLVMMetadataRef elements[2] = {};
elements[0] = lb_debug_type(m, t_f64);
elements[1] = lb_debug_type(m, t_f64);
return LLVMDIBuilderCreateStructType(m->debug_builder, nullptr, "complex128", 10, nullptr, 0, 128, 64, LLVMDIFlagZero, nullptr, elements, element_count, 0, nullptr, "", 0);
elements[0] = lb_debug_struct_field(m, str_lit("real"), t_f64, 0);
elements[1] = lb_debug_struct_field(m, str_lit("imag"), t_f64, 8);
return lb_debug_basic_struct(m, str_lit("complex128"), 128, 64, elements, gb_count_of(elements));
}
case Basic_quaternion128:
{
unsigned element_count = 0;
LLVMMetadataRef elements[4] = {};
elements[0] = lb_debug_type(m, t_f32);
elements[1] = lb_debug_type(m, t_f32);
elements[2] = lb_debug_type(m, t_f32);
elements[3] = lb_debug_type(m, t_f32);
return LLVMDIBuilderCreateStructType(m->debug_builder, nullptr, "quaternion128", 13, nullptr, 0, 128, 32, LLVMDIFlagZero, nullptr, elements, element_count, 0, nullptr, "", 0);
elements[0] = lb_debug_struct_field(m, str_lit("imag"), t_f32, 0);
elements[1] = lb_debug_struct_field(m, str_lit("jmag"), t_f32, 4);
elements[2] = lb_debug_struct_field(m, str_lit("kmag"), t_f32, 8);
elements[3] = lb_debug_struct_field(m, str_lit("real"), t_f32, 12);
return lb_debug_basic_struct(m, str_lit("quaternion128"), 128, 32, elements, gb_count_of(elements));
}
case Basic_quaternion256:
{
unsigned element_count = 0;
LLVMMetadataRef elements[4] = {};
elements[0] = lb_debug_type(m, t_f64);
elements[1] = lb_debug_type(m, t_f64);
elements[2] = lb_debug_type(m, t_f64);
elements[3] = lb_debug_type(m, t_f64);
return LLVMDIBuilderCreateStructType(m->debug_builder, nullptr, "quaternion256", 13, nullptr, 0, 256, 32, LLVMDIFlagZero, nullptr, elements, element_count, 0, nullptr, "", 0);
elements[0] = lb_debug_struct_field(m, str_lit("imag"), t_f64, 0);
elements[1] = lb_debug_struct_field(m, str_lit("jmag"), t_f64, 8);
elements[2] = lb_debug_struct_field(m, str_lit("kmag"), t_f64, 16);
elements[3] = lb_debug_struct_field(m, str_lit("real"), t_f64, 24);
return lb_debug_basic_struct(m, str_lit("quaternion256"), 256, 32, elements, gb_count_of(elements));
}
case Basic_int: return LLVMDIBuilderCreateBasicType(m->debug_builder, "int", 3, word_bits, LLVMDWARFTypeEncoding_Signed, LLVMDIFlagZero);
@@ -1628,11 +1648,10 @@ LLVMMetadataRef lb_debug_type_internal(lbModule *m, Type *type) {
}
case Basic_string:
{
unsigned element_count = 0;
LLVMMetadataRef elements[2] = {};
elements[0] = lb_debug_type(m, t_u8_ptr);
elements[1] = lb_debug_type(m, t_int);
return LLVMDIBuilderCreateStructType(m->debug_builder, nullptr, "string", 6, nullptr, 0, 2*word_bits, word_bits, LLVMDIFlagZero, nullptr, elements, element_count, 0, nullptr, "", 0);
elements[0] = lb_debug_struct_field(m, str_lit("data"), t_u8_ptr, 0);
elements[1] = lb_debug_struct_field(m, str_lit("len"), t_int, word_bits);
return lb_debug_basic_struct(m, str_lit("string"), 2*word_bits, word_bits, elements, gb_count_of(elements));
}
case Basic_cstring:
{
@@ -1641,11 +1660,10 @@ LLVMMetadataRef lb_debug_type_internal(lbModule *m, Type *type) {
}
case Basic_any:
{
unsigned element_count = 0;
LLVMMetadataRef elements[2] = {};
elements[0] = lb_debug_type(m, t_rawptr);
elements[1] = lb_debug_type(m, t_typeid);
return LLVMDIBuilderCreateStructType(m->debug_builder, nullptr, "any", 3, nullptr, 0, 2*word_bits, word_bits, LLVMDIFlagZero, nullptr, elements, element_count, 0, nullptr, "", 0);
elements[0] = lb_debug_struct_field(m, str_lit("data"), t_rawptr, 0);
elements[1] = lb_debug_struct_field(m, str_lit("id"), t_typeid, word_bits);
return lb_debug_basic_struct(m, str_lit("any"), 2*word_bits, word_bits, elements, gb_count_of(elements));
}
case Basic_typeid: return LLVMDIBuilderCreateBasicType(m->debug_builder, "typeid", 6, word_bits, 0, LLVMDIFlagZero);
@@ -1704,23 +1722,21 @@ LLVMMetadataRef lb_debug_type_internal(lbModule *m, Type *type) {
case Type_Slice:
{
unsigned element_count = 0;
LLVMMetadataRef elements[2] = {};
elements[0] = LLVMDIBuilderCreatePointerType(m->debug_builder, lb_debug_type(m, type->Slice.elem), word_bits, word_bits, 0, nullptr, 0);
elements[1] = lb_debug_type(m, t_int);
return LLVMDIBuilderCreateStructType(m->debug_builder, nullptr, "", 0, nullptr, 0, 2*word_bits, word_bits, LLVMDIFlagZero, nullptr, elements, element_count, 0, nullptr, "", 0);
elements[0] = lb_debug_struct_field(m, str_lit("data"), alloc_type_pointer(type->Slice.elem), 0);
elements[1] = lb_debug_struct_field(m, str_lit("len"), t_int, word_bits);
return lb_debug_basic_struct(m, str_lit("<anonymous-slice>"), 2*word_bits, word_bits, elements, gb_count_of(elements));
}
break;
case Type_DynamicArray:
{
unsigned element_count = 0;
LLVMMetadataRef elements[4] = {};
elements[0] = LLVMDIBuilderCreatePointerType(m->debug_builder, lb_debug_type(m, type->DynamicArray.elem), word_bits, word_bits, 0, nullptr, 0);
elements[1] = lb_debug_type(m, t_int);
elements[2] = lb_debug_type(m, t_int);
elements[3] = lb_debug_type(m, t_allocator);
return LLVMDIBuilderCreateStructType(m->debug_builder, nullptr, "", 0, nullptr, 0, 5*word_bits, word_bits, LLVMDIFlagZero, nullptr, elements, element_count, 0, nullptr, "", 0);
elements[0] = lb_debug_struct_field(m, str_lit("data"), alloc_type_pointer(type->DynamicArray.elem), 0*word_bits);
elements[1] = lb_debug_struct_field(m, str_lit("len"), t_int, 1*word_bits);
elements[2] = lb_debug_struct_field(m, str_lit("cap"), t_int, 2*word_bits);
elements[3] = lb_debug_struct_field(m, str_lit("allocator"), t_allocator, 3*word_bits);
return lb_debug_basic_struct(m, str_lit("<anonymous-dynamic-array>"), 5*word_bits, word_bits, elements, gb_count_of(elements));
}
break;
@@ -1891,9 +1907,9 @@ LLVMMetadataRef lb_debug_type_internal(lbModule *m, Type *type) {
{
unsigned element_count = 0;
LLVMMetadataRef elements[2] = {};
LLVMMetadataRef idx_type = lb_debug_type(m, type->RelativeSlice.base_integer);
elements[0] = idx_type;
elements[1] = idx_type;
Type *base_integer = type->RelativeSlice.base_integer;
elements[0] = lb_debug_struct_field(m, str_lit("data_offset"), base_integer, 0);
elements[1] = lb_debug_struct_field(m, str_lit("len"), base_integer, 8*type_size_of(base_integer));
return LLVMDIBuilderCreateStructType(m->debug_builder, nullptr, "", 0, nullptr, 0, 2*word_bits, word_bits, LLVMDIFlagZero, nullptr, elements, element_count, 0, nullptr, "", 0);
}
}
@@ -2771,6 +2787,84 @@ LLVMValueRef OdinLLVMBuildTransmute(lbProcedure *p, LLVMValueRef val, LLVMTypeRe
}
void lb_add_debug_local_variable(lbProcedure *p, LLVMValueRef ptr, Type *type, Token const &token) {
if (p->debug_info == nullptr) {
return;
}
if (type == nullptr) {
return;
}
if (type == t_invalid) {
return;
}
if (p->body == nullptr) {
return;
}
lbModule *m = p->module;
String const &name = token.string;
if (name == "" || name == "_") {
return;
}
AstFile *file = p->body->file;
LLVMMetadataRef llvm_scope = lb_get_current_debug_scope(p);
LLVMMetadataRef llvm_file = lb_get_llvm_metadata(m, file);
GB_ASSERT(llvm_scope != nullptr);
if (llvm_file == nullptr) {
llvm_file = LLVMDIScopeGetFile(llvm_scope);
}
if (llvm_file == nullptr) {
return;
}
unsigned alignment_in_bits = cast(unsigned)(8*type_align_of(type));
LLVMDIFlags flags = LLVMDIFlagZero;
LLVMBool always_preserve = false;
LLVMMetadataRef debug_type = lb_debug_type(m, type);
LLVMMetadataRef var_info = LLVMDIBuilderCreateAutoVariable(
m->debug_builder, llvm_scope,
cast(char const *)name.text, cast(size_t)name.len,
llvm_file, token.pos.line,
debug_type,
always_preserve, flags, alignment_in_bits
);
LLVMValueRef storage = ptr;
LLVMValueRef instr = ptr;
LLVMMetadataRef llvm_debug_loc = lb_debug_location_from_token_pos(p, token.pos);
LLVMMetadataRef llvm_expr = LLVMDIBuilderCreateExpression(m->debug_builder, nullptr, 0);
LLVMDIBuilderInsertDeclareBefore(m->debug_builder, storage, var_info, llvm_expr, llvm_debug_loc, instr);
}
void lb_add_debug_context_variable(lbProcedure *p, lbAddr const &ctx) {
if (!p->debug_info || !p->body) {
return;
}
LLVMMetadataRef loc = LLVMGetCurrentDebugLocation2(p->builder);
if (!loc) {
return;
}
TokenPos pos = {};
pos.file_id = p->body->file ? p->body->file->id : 0;
pos.line = LLVMDILocationGetLine(loc);
pos.column = LLVMDILocationGetColumn(loc);
Token token = {};
token.kind = Token_context;
token.string = str_lit("context");
token.pos = pos;
lb_add_debug_local_variable(p, ctx.addr.value, t_context, token);
}
void lb_begin_procedure_body(lbProcedure *p) {
DeclInfo *decl = decl_info_of_entity(p->entity);
if (decl != nullptr) {
@@ -2927,6 +3021,11 @@ void lb_begin_procedure_body(lbProcedure *p) {
if (pos.file_id != 0) {
LLVMSetCurrentDebugLocation2(p->builder, lb_debug_location_from_token_pos(p, pos));
}
if (p->context_stack.count != 0) {
lb_add_debug_context_variable(p, lb_find_or_generate_context_ptr(p));
}
}
}
@@ -3065,8 +3164,6 @@ lbValue lb_build_cond(lbProcedure *p, Ast *cond, lbBlock *true_block, lbBlock *f
return v;
}
lbAddr lb_add_local(lbProcedure *p, Type *type, Entity *e, bool zero_init, i32 param_index) {
GB_ASSERT(p->decl_block != p->curr_block);
LLVMPositionBuilderAtEnd(p->builder, p->decl_block->block);
@@ -3110,52 +3207,7 @@ lbAddr lb_add_local(lbProcedure *p, Type *type, Entity *e, bool zero_init, i32 p
if (e != nullptr) {
lb_add_entity(p->module, e, val);
if (p->debug_info) do {
lbModule *m = p->module;
String name = e->token.string;
if (name == "" || name == "_") {
break;
}
LLVMMetadataRef llvm_scope = lb_get_current_debug_scope(p);
LLVMMetadataRef llvm_file = lb_get_llvm_metadata(m, e->file);
GB_ASSERT(llvm_scope != nullptr);
if (llvm_file == nullptr) {
llvm_file = LLVMDIScopeGetFile(llvm_scope);
}
if (llvm_file == nullptr) {
break;
}
if (e->type == nullptr) {
break;
}
if (e->type == t_invalid) {
break;
}
LLVMDIFlags flags = LLVMDIFlagZero;
LLVMBool always_preserve = false;
LLVMMetadataRef debug_type = lb_debug_type(m, type);
LLVMMetadataRef var_info = LLVMDIBuilderCreateAutoVariable(
m->debug_builder, llvm_scope,
cast(char const *)name.text, cast(size_t)name.len,
llvm_file, e->token.pos.line,
debug_type,
always_preserve, flags, 8*alignment
);
LLVMValueRef storage = ptr;
LLVMValueRef instr = ptr;
LLVMMetadataRef llvm_debug_loc = lb_debug_location_from_token_pos(p, e->token.pos);
LLVMMetadataRef llvm_expr = LLVMDIBuilderCreateExpression(m->debug_builder, nullptr, 0);
LLVMDIBuilderInsertDeclareBefore(m->debug_builder, storage, var_info, llvm_expr, llvm_debug_loc, instr);
} while (false);
lb_add_debug_local_variable(p, ptr, type, e->token);
}
return lb_addr(val);
@@ -7156,6 +7208,8 @@ lbAddr lb_find_or_generate_context_ptr(lbProcedure *p) {
c.kind = lbAddr_Context;
lb_emit_init_context(p, c);
lb_push_context_onto_stack(p, c);
lb_add_debug_context_variable(p, c);
return c;
}