1 //===-- llvm/CodeGen/DwarfWriter.h - Dwarf Framework ------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by James M. Laskey and is distributed under the
6 // University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains support for writing dwarf debug info into asm files.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_CODEGEN_DWARFPRINTER_H
15 #define LLVM_CODEGEN_DWARFPRINTER_H
17 //===----------------------------------------------------------------------===//
18 // Dwarf constants as gleaned from the DWARF Debugging Information Format V.3
19 // reference manual http://dwarf.freestandards.org.
21 enum dwarf_constants {
23 DW_TAG_array_type = 0x01,
24 DW_TAG_class_type = 0x02,
25 DW_TAG_entry_point = 0x03,
26 DW_TAG_enumeration_type = 0x04,
27 DW_TAG_formal_parameter = 0x05,
28 DW_TAG_imported_declaration = 0x08,
30 DW_TAG_lexical_block = 0x0b,
32 DW_TAG_pointer_type = 0x0f,
33 DW_TAG_reference_type = 0x10,
34 DW_TAG_compile_unit = 0x11,
35 DW_TAG_string_type = 0x12,
36 DW_TAG_structure_type = 0x13,
37 DW_TAG_subroutine_type = 0x15,
38 DW_TAG_typedef = 0x16,
39 DW_TAG_union_type = 0x17,
40 DW_TAG_unspecified_parameters = 0x18,
41 DW_TAG_variant = 0x19,
42 DW_TAG_common_block = 0x1a,
43 DW_TAG_common_inclusion = 0x1b,
44 DW_TAG_inheritance = 0x1c,
45 DW_TAG_inlined_subroutine = 0x1d,
47 DW_TAG_ptr_to_member_type = 0x1f,
48 DW_TAG_set_type = 0x20,
49 DW_TAG_subrange_type = 0x21,
50 DW_TAG_with_stmt = 0x22,
51 DW_TAG_access_declaration = 0x23,
52 DW_TAG_base_type = 0x24,
53 DW_TAG_catch_block = 0x25,
54 DW_TAG_const_type = 0x26,
55 DW_TAG_constant = 0x27,
56 DW_TAG_enumerator = 0x28,
57 DW_TAG_file_type = 0x29,
59 DW_TAG_namelist = 0x2b,
60 DW_TAG_namelist_item = 0x2c,
61 DW_TAG_packed_type = 0x2d,
62 DW_TAG_subprogram = 0x2e,
63 DW_TAG_template_type_parameter = 0x2f,
64 DW_TAG_template_value_parameter = 0x30,
65 DW_TAG_thrown_type = 0x31,
66 DW_TAG_try_block = 0x32,
67 DW_TAG_variant_part = 0x33,
68 DW_TAG_variable = 0x34,
69 DW_TAG_volatile_type = 0x35,
70 DW_TAG_dwarf_procedure = 0x36,
71 DW_TAG_restrict_type = 0x37,
72 DW_TAG_interface_type = 0x38,
73 DW_TAG_namespace = 0x39,
74 DW_TAG_imported_module = 0x3a,
75 DW_TAG_unspecified_type = 0x3b,
76 DW_TAG_partial_unit = 0x3c,
77 DW_TAG_imported_unit = 0x3d,
78 DW_TAG_condition = 0x3f,
79 DW_TAG_shared_type = 0x40,
80 DW_TAG_lo_user = 0x4080,
81 DW_TAG_hi_user = 0xffff,
84 DW_CHILDREN_no = 0x00,
85 DW_CHILDREN_yes = 0x01,
89 DW_AT_location = 0x02,
91 DW_AT_ordering = 0x09,
92 DW_AT_byte_size = 0x0b,
93 DW_AT_bit_offset = 0x0c,
94 DW_AT_bit_size = 0x0d,
95 DW_AT_stmt_list = 0x10,
98 DW_AT_language = 0x13,
100 DW_AT_discr_value = 0x16,
101 DW_AT_visibility = 0x17,
103 DW_AT_string_length = 0x19,
104 DW_AT_common_reference = 0x1a,
105 DW_AT_comp_dir = 0x1b,
106 DW_AT_const_value = 0x1c,
107 DW_AT_containing_type = 0x1d,
108 DW_AT_default_value = 0x1e,
110 DW_AT_is_optional = 0x21,
111 DW_AT_lower_bound = 0x22,
112 DW_AT_producer = 0x25,
113 DW_AT_prototyped = 0x27,
114 DW_AT_return_addr = 0x2a,
115 DW_AT_start_scope = 0x2c,
116 DW_AT_bit_stride = 0x2e,
117 DW_AT_upper_bound = 0x2f,
118 DW_AT_abstract_origin = 0x31,
119 DW_AT_accessibility = 0x32,
120 DW_AT_address_class = 0x33,
121 DW_AT_artificial = 0x34,
122 DW_AT_base_types = 0x35,
123 DW_AT_calling_convention = 0x36,
125 DW_AT_data_member_location = 0x38,
126 DW_AT_decl_column = 0x39,
127 DW_AT_decl_file = 0x3a,
128 DW_AT_decl_line = 0x3b,
129 DW_AT_declaration = 0x3c,
130 DW_AT_discr_list = 0x3d,
131 DW_AT_encoding = 0x3e,
132 DW_AT_external = 0x3f,
133 DW_AT_frame_base = 0x40,
135 DW_AT_identifier_case = 0x42,
136 DW_AT_macro_info = 0x43,
137 DW_AT_namelist_item = 0x44,
138 DW_AT_priority = 0x45,
139 DW_AT_segment = 0x46,
140 DW_AT_specification = 0x47,
141 DW_AT_static_link = 0x48,
143 DW_AT_use_location = 0x4a,
144 DW_AT_variable_parameter = 0x4b,
145 DW_AT_virtuality = 0x4c,
146 DW_AT_vtable_elem_location = 0x4d,
147 DW_AT_allocated = 0x4e,
148 DW_AT_associated = 0x4f,
149 DW_AT_data_location = 0x50,
150 DW_AT_byte_stride = 0x51,
151 DW_AT_entry_pc = 0x52,
152 DW_AT_use_UTF8 = 0x53,
153 DW_AT_extension = 0x54,
155 DW_AT_trampoline = 0x56,
156 DW_AT_call_column = 0x57,
157 DW_AT_call_file = 0x58,
158 DW_AT_call_line = 0x59,
159 DW_AT_description = 0x5a,
160 DW_AT_binary_scale = 0x5b,
161 DW_AT_decimal_scale = 0x5c,
163 DW_AT_decimal_sign = 0x5e,
164 DW_AT_digit_count = 0x5f,
165 DW_AT_picture_string = 0x60,
166 DW_AT_mutable = 0x61,
167 DW_AT_threads_scaled = 0x62,
168 DW_AT_explicit = 0x63,
169 DW_AT_object_pointer = 0x64,
170 DW_AT_endianity = 0x65,
171 DW_AT_elemental = 0x66,
173 DW_AT_recursive = 0x68,
174 DW_AT_lo_user = 0x2000,
175 DW_AT_hi_user = 0x3fff,
177 // Attribute form encodings
179 DW_FORM_block2 = 0x03,
180 DW_FORM_block4 = 0x04,
181 DW_FORM_data2 = 0x05,
182 DW_FORM_data4 = 0x06,
183 DW_FORM_data8 = 0x07,
184 DW_FORM_string = 0x08,
185 DW_FORM_block = 0x09,
186 DW_FORM_block1 = 0x0a,
187 DW_FORM_data1 = 0x0b,
189 DW_FORM_sdata = 0x0d,
191 DW_FORM_udata = 0x0f,
192 DW_FORM_ref_addr = 0x10,
197 DW_FORM_ref_udata = 0x15,
198 DW_FORM_indirect = 0x16,
200 // Operation encodings
203 DW_OP_const1u = 0x08,
204 DW_OP_const1s = 0x09,
205 DW_OP_const2u = 0x0a,
206 DW_OP_const2s = 0x0b,
207 DW_OP_const4u = 0x0c,
208 DW_OP_const4s = 0x0d,
209 DW_OP_const8u = 0x0e,
210 DW_OP_const8s = 0x0f,
230 DW_OP_plus_uconst = 0x23,
256 DW_OP_deref_size = 0x94,
257 DW_OP_xderef_size = 0x95,
259 DW_OP_push_object_address = 0x97,
262 DW_OP_call_ref = 0x9a,
263 DW_OP_form_tls_address = 0x9b,
264 DW_OP_call_frame_cfa = 0x9c,
265 DW_OP_lo_user = 0xe0,
266 DW_OP_hi_user = 0xff,
268 // Encoding attribute values
269 DW_ATE_address = 0x01,
270 DW_ATE_boolean = 0x02,
271 DW_ATE_complex_float = 0x03,
273 DW_ATE_signed = 0x05,
274 DW_ATE_signed_char = 0x06,
275 DW_ATE_unsigned = 0x07,
276 DW_ATE_unsigned_char = 0x08,
277 DW_ATE_imaginary_float = 0x09,
278 DW_ATE_packed_decimal = 0x0a,
279 DW_ATE_numeric_string = 0x0b,
280 DW_ATE_edited = 0x0c,
281 DW_ATE_signed_fixed = 0x0d,
282 DW_ATE_unsigned_fixed = 0x0e,
283 DW_ATE_decimal_float = 0x0f,
284 DW_ATE_lo_user = 0x80,
285 DW_ATE_hi_user = 0xff,
287 // Decimal sign attribute values
288 DW_DS_unsigned = 0x01,
289 DW_DS_leading_overpunch = 0x02,
290 DW_DS_trailing_overpunch = 0x03,
291 DW_DS_leading_separate = 0x04,
292 DW_DS_trailing_separate = 0x05,
294 // Endianity attribute values
295 DW_END_default = 0x00,
297 DW_END_little = 0x02,
298 DW_END_lo_user = 0x40,
299 DW_END_hi_user = 0xff,
301 // Accessibility codes
302 DW_ACCESS_public = 0x01,
303 DW_ACCESS_protected = 0x02,
304 DW_ACCESS_private = 0x03,
308 DW_VIS_exported = 0x02,
309 DW_VIS_qualified = 0x03,
312 DW_VIRTUALITY_none = 0x00,
313 DW_VIRTUALITY_virtual = 0x01,
314 DW_VIRTUALITY_pure_virtual = 0x02,
317 DW_LANG_C89 = 0x0001,
319 DW_LANG_Ada83 = 0x0003,
320 DW_LANG_C_plus_plus = 0x0004,
321 DW_LANG_Cobol74 = 0x0005,
322 DW_LANG_Cobol85 = 0x0006,
323 DW_LANG_Fortran77 = 0x0007,
324 DW_LANG_Fortran90 = 0x0008,
325 DW_LANG_Pascal83 = 0x0009,
326 DW_LANG_Modula2 = 0x000a,
327 DW_LANG_Java = 0x000b,
328 DW_LANG_C99 = 0x000c,
329 DW_LANG_Ada95 = 0x000d,
330 DW_LANG_Fortran95 = 0x000e,
331 DW_LANG_PLI = 0x000f,
332 DW_LANG_ObjC = 0x0010,
333 DW_LANG_ObjC_plus_plus = 0x0011,
334 DW_LANG_UPC = 0x0012,
336 DW_LANG_lo_user = 0x8000,
337 DW_LANG_hi_user = 0xffff,
339 // Identifier case codes
340 DW_ID_case_sensitive = 0x00,
341 DW_ID_up_case = 0x01,
342 DW_ID_down_case = 0x02,
343 DW_ID_case_insensitive = 0x03,
345 // Calling convention codes
347 DW_CC_program = 0x02,
349 DW_CC_lo_user = 0x40,
350 DW_CC_hi_user = 0xff,
353 DW_INL_not_inlined = 0x00,
354 DW_INL_inlined = 0x01,
355 DW_INL_declared_not_inlined = 0x02,
356 DW_INL_declared_inlined = 0x03,
359 DW_ORD_row_major = 0x00,
360 DW_ORD_col_major = 0x01,
362 // Discriminant descriptor values
366 // Line Number Standard Opcode Encodings
368 DW_LNS_advance_pc = 0x02,
369 DW_LNS_advance_line = 0x03,
370 DW_LNS_set_file = 0x04,
371 DW_LNS_set_column = 0x05,
372 DW_LNS_negate_stmt = 0x06,
373 DW_LNS_set_basic_block = 0x07,
374 DW_LNS_const_add_pc = 0x08,
375 DW_LNS_fixed_advance_pc = 0x09,
376 DW_LNS_set_prologue_end = 0x0a,
377 DW_LNS_set_epilogue_begin = 0x0b,
378 DW_LNS_set_isa = 0x0c,
380 // Line Number Extended Opcode Encodings
381 DW_LNE_end_sequence = 0x01,
382 DW_LNE_set_address = 0x02,
383 DW_LNE_define_file = 0x03,
384 DW_LNE_lo_user = 0x80,
385 DW_LNE_hi_user = 0xff,
387 // Macinfo Type Encodings
388 DW_MACINFO_define = 0x01,
389 DW_MACINFO_undef = 0x02,
390 DW_MACINFO_start_file = 0x03,
391 DW_MACINFO_end_file = 0x04,
392 DW_MACINFO_vendor_ext = 0xff,
394 // Call frame instruction encodings
395 DW_CFA_advance_loc = 0x40,
396 DW_CFA_offset = 0x80,
397 DW_CFA_restore = 0xc0,
398 DW_CFA_set_loc = 0x01,
399 DW_CFA_advance_loc1 = 0x02,
400 DW_CFA_advance_loc2 = 0x03,
401 DW_CFA_advance_loc4 = 0x04,
402 DW_CFA_offset_extended = 0x05,
403 DW_CFA_restore_extended = 0x06,
404 DW_CFA_undefined = 0x07,
405 DW_CFA_same_value = 0x08,
406 DW_CFA_register = 0x09,
407 DW_CFA_remember_state = 0x0a,
408 DW_CFA_restore_state = 0x0b,
409 DW_CFA_def_cfa = 0x0c,
410 DW_CFA_def_cfa_register = 0x0d,
411 DW_CFA_def_cfa_offset = 0x0e,
412 DW_CFA_def_cfa_expression = 0x0f,
413 DW_CFA_expression = 0x10,
414 DW_CFA_offset_extended_sf = 0x11,
415 DW_CFA_def_cfa_sf = 0x12,
416 DW_CFA_def_cfa_offset_sf = 0x13,
417 DW_CFA_val_offset = 0x14,
418 DW_CFA_val_offset_sf = 0x15,
419 DW_CFA_val_expression = 0x16,
420 DW_CFA_lo_user = 0x1c,
421 DW_CFA_hi_user = 0x3f