diff options
Diffstat (limited to 'src/link/MachO')
| -rw-r--r-- | src/link/MachO/DebugSymbols.zig | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/src/link/MachO/DebugSymbols.zig b/src/link/MachO/DebugSymbols.zig index b3eb5cd5a7..19bca5a43b 100644 --- a/src/link/MachO/DebugSymbols.zig +++ b/src/link/MachO/DebugSymbols.zig @@ -1332,8 +1332,43 @@ fn addDbgInfoType( // DW.AT.name, DW.FORM.string try dbg_info_buffer.writer().print("{}\x00", .{ty}); } else { - log.debug("TODO implement .debug_info for type '{}'", .{ty}); - try dbg_info_buffer.append(abbrev_pad1); + // Non-pointer optionals are structs: struct { .maybe = *, .val = * } + var buf = try arena.create(Type.Payload.ElemType); + const payload_ty = ty.optionalChild(buf); + // DW.AT.structure_type + try dbg_info_buffer.append(abbrev_struct_type); + // DW.AT.byte_size, DW.FORM.sdata + const abi_size = ty.abiSize(target); + try leb128.writeULEB128(dbg_info_buffer.writer(), abi_size); + // DW.AT.name, DW.FORM.string + try dbg_info_buffer.writer().print("{}\x00", .{ty}); + // DW.AT.member + try dbg_info_buffer.ensureUnusedCapacity(7); + dbg_info_buffer.appendAssumeCapacity(abbrev_struct_member); + // DW.AT.name, DW.FORM.string + dbg_info_buffer.appendSliceAssumeCapacity("maybe"); + dbg_info_buffer.appendAssumeCapacity(0); + // DW.AT.type, DW.FORM.ref4 + var index = dbg_info_buffer.items.len; + try dbg_info_buffer.resize(index + 4); + try relocs.append(.{ .ty = Type.bool, .reloc = @intCast(u32, index) }); + // DW.AT.data_member_location, DW.FORM.sdata + try dbg_info_buffer.ensureUnusedCapacity(6); + dbg_info_buffer.appendAssumeCapacity(0); + // DW.AT.member + dbg_info_buffer.appendAssumeCapacity(abbrev_struct_member); + // DW.AT.name, DW.FORM.string + dbg_info_buffer.appendSliceAssumeCapacity("val"); + dbg_info_buffer.appendAssumeCapacity(0); + // DW.AT.type, DW.FORM.ref4 + index = dbg_info_buffer.items.len; + try dbg_info_buffer.resize(index + 4); + try relocs.append(.{ .ty = payload_ty, .reloc = @intCast(u32, index) }); + // DW.AT.data_member_location, DW.FORM.sdata + const offset = abi_size - payload_ty.abiSize(target); + try leb128.writeULEB128(dbg_info_buffer.writer(), offset); + // DW.AT.structure_type delimit children + try dbg_info_buffer.append(0); } }, .Pointer => { |