//
//===----------------------------------------------------------------------===//
//
-// This file contains constants used for implementing Dwarf debug support. For
-// Details on the Dwarf 3 specfication see DWARF Debugging Information Format
-// V.3 reference manual http://dwarf.freestandards.org ,
+// \file
+// \brief This file contains constants used for implementing Dwarf
+// debug support.
+//
+// For details on the Dwarf specfication see the latest DWARF Debugging
+// Information Format standard document on http://www.dwarfstd.org. This
+// file often includes support for non-released standard features.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SUPPORT_DWARF_H
#define LLVM_SUPPORT_DWARF_H
-namespace llvm {
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/Compiler.h"
+#include "llvm/Support/DataTypes.h"
-//===----------------------------------------------------------------------===//
-// Debug info constants.
-
-enum {
- LLVMDebugVersion = (7 << 16), // Current version of debug information.
- LLVMDebugVersion6 = (6 << 16), // Constant for version 6.
- LLVMDebugVersion5 = (5 << 16), // Constant for version 5.
- LLVMDebugVersion4 = (4 << 16), // Constant for version 4.
- LLVMDebugVersionMask = 0xffff0000 // Mask for version number.
-};
+namespace llvm {
namespace dwarf {
//===----------------------------------------------------------------------===//
-// Dwarf constants as gleaned from the DWARF Debugging Information Format V.3
-// reference manual http://dwarf.freestandards.org .
+// Dwarf constants as gleaned from the DWARF Debugging Information Format V.4
+// reference manual http://www.dwarfstd.org/.
//
// Do not mix the following two enumerations sets. DW_TAG_invalid changes the
// enumeration base type.
-enum llvm_dwarf_constants {
- // llvm mock tags
- DW_TAG_invalid = ~0U, // Tag for invalid results.
-
- DW_TAG_anchor = 0, // Tag for descriptor anchors.
- DW_TAG_auto_variable = 0x100, // Tag for local (auto) variables.
- DW_TAG_arg_variable = 0x101, // Tag for argument variables.
- DW_TAG_return_variable = 0x102, // Tag for return variables.
-
- DW_TAG_vector_type = 0x103, // Tag for vector types.
-
- DW_TAG_user_base = 0x1000, // Recommended base for user tags.
-
- DW_CIE_VERSION = 1, // Common frame information version.
- DW_CIE_ID = 0xffffffff // Common frame information mark.
+enum LLVMConstants : uint32_t {
+ // LLVM mock tags (see also llvm/Support/Dwarf.def).
+ DW_TAG_invalid = ~0U, // Tag for invalid results.
+ DW_VIRTUALITY_invalid = ~0U, // Virtuality for invalid results.
+ DW_MACINFO_invalid = ~0U, // Macinfo type for invalid results.
+
+ // Other constants.
+ DWARF_VERSION = 4, // Default dwarf version we output.
+ DW_PUBTYPES_VERSION = 2, // Section version number for .debug_pubtypes.
+ DW_PUBNAMES_VERSION = 2, // Section version number for .debug_pubnames.
+ DW_ARANGES_VERSION = 2 // Section version number for .debug_aranges.
};
-enum dwarf_constants {
- DWARF_VERSION = 2,
-
- // Tags
- DW_TAG_array_type = 0x01,
- DW_TAG_class_type = 0x02,
- DW_TAG_entry_point = 0x03,
- DW_TAG_enumeration_type = 0x04,
- DW_TAG_formal_parameter = 0x05,
- DW_TAG_imported_declaration = 0x08,
- DW_TAG_label = 0x0a,
- DW_TAG_lexical_block = 0x0b,
- DW_TAG_member = 0x0d,
- DW_TAG_pointer_type = 0x0f,
- DW_TAG_reference_type = 0x10,
- DW_TAG_compile_unit = 0x11,
- DW_TAG_string_type = 0x12,
- DW_TAG_structure_type = 0x13,
- DW_TAG_subroutine_type = 0x15,
- DW_TAG_typedef = 0x16,
- DW_TAG_union_type = 0x17,
- DW_TAG_unspecified_parameters = 0x18,
- DW_TAG_variant = 0x19,
- DW_TAG_common_block = 0x1a,
- DW_TAG_common_inclusion = 0x1b,
- DW_TAG_inheritance = 0x1c,
- DW_TAG_inlined_subroutine = 0x1d,
- DW_TAG_module = 0x1e,
- DW_TAG_ptr_to_member_type = 0x1f,
- DW_TAG_set_type = 0x20,
- DW_TAG_subrange_type = 0x21,
- DW_TAG_with_stmt = 0x22,
- DW_TAG_access_declaration = 0x23,
- DW_TAG_base_type = 0x24,
- DW_TAG_catch_block = 0x25,
- DW_TAG_const_type = 0x26,
- DW_TAG_constant = 0x27,
- DW_TAG_enumerator = 0x28,
- DW_TAG_file_type = 0x29,
- DW_TAG_friend = 0x2a,
- DW_TAG_namelist = 0x2b,
- DW_TAG_namelist_item = 0x2c,
- DW_TAG_packed_type = 0x2d,
- DW_TAG_subprogram = 0x2e,
- DW_TAG_template_type_parameter = 0x2f,
- DW_TAG_template_value_parameter = 0x30,
- DW_TAG_thrown_type = 0x31,
- DW_TAG_try_block = 0x32,
- DW_TAG_variant_part = 0x33,
- DW_TAG_variable = 0x34,
- DW_TAG_volatile_type = 0x35,
- DW_TAG_dwarf_procedure = 0x36,
- DW_TAG_restrict_type = 0x37,
- DW_TAG_interface_type = 0x38,
- DW_TAG_namespace = 0x39,
- DW_TAG_imported_module = 0x3a,
- DW_TAG_unspecified_type = 0x3b,
- DW_TAG_partial_unit = 0x3c,
- DW_TAG_imported_unit = 0x3d,
- DW_TAG_condition = 0x3f,
- DW_TAG_shared_type = 0x40,
+// Special ID values that distinguish a CIE from a FDE in DWARF CFI.
+// Not inside an enum because a 64-bit value is needed.
+const uint32_t DW_CIE_ID = UINT32_MAX;
+const uint64_t DW64_CIE_ID = UINT64_MAX;
+
+enum Tag : uint16_t {
+#define HANDLE_DW_TAG(ID, NAME) DW_TAG_##NAME = ID,
+#include "llvm/Support/Dwarf.def"
DW_TAG_lo_user = 0x4080,
DW_TAG_hi_user = 0xffff,
+ DW_TAG_user_base = 0x1000 // Recommended base for user tags.
+};
- // Children flag
- DW_CHILDREN_no = 0x00,
- DW_CHILDREN_yes = 0x01,
-
+inline bool isType(Tag T) {
+ switch (T) {
+ case DW_TAG_array_type:
+ case DW_TAG_class_type:
+ case DW_TAG_interface_type:
+ case DW_TAG_enumeration_type:
+ case DW_TAG_pointer_type:
+ case DW_TAG_reference_type:
+ case DW_TAG_rvalue_reference_type:
+ case DW_TAG_string_type:
+ case DW_TAG_structure_type:
+ case DW_TAG_subroutine_type:
+ case DW_TAG_union_type:
+ case DW_TAG_ptr_to_member_type:
+ case DW_TAG_set_type:
+ case DW_TAG_subrange_type:
+ case DW_TAG_base_type:
+ case DW_TAG_const_type:
+ case DW_TAG_file_type:
+ case DW_TAG_packed_type:
+ case DW_TAG_volatile_type:
+ case DW_TAG_typedef:
+ return true;
+ default:
+ return false;
+ }
+}
+
+enum Attribute : uint16_t {
// Attributes
DW_AT_sibling = 0x01,
DW_AT_location = 0x02,
DW_AT_elemental = 0x66,
DW_AT_pure = 0x67,
DW_AT_recursive = 0x68,
+ DW_AT_signature = 0x69,
+ DW_AT_main_subprogram = 0x6a,
+ DW_AT_data_bit_offset = 0x6b,
+ DW_AT_const_expr = 0x6c,
+ DW_AT_enum_class = 0x6d,
+ DW_AT_linkage_name = 0x6e,
+
+ // New in DWARF 5:
+ DW_AT_string_length_bit_size = 0x6f,
+ DW_AT_string_length_byte_size = 0x70,
+ DW_AT_rank = 0x71,
+ DW_AT_str_offsets_base = 0x72,
+ DW_AT_addr_base = 0x73,
+ DW_AT_ranges_base = 0x74,
+ DW_AT_dwo_id = 0x75,
+ DW_AT_dwo_name = 0x76,
+ DW_AT_reference = 0x77,
+ DW_AT_rvalue_reference = 0x78,
+
+ DW_AT_lo_user = 0x2000,
+ DW_AT_hi_user = 0x3fff,
+
+ DW_AT_MIPS_loop_begin = 0x2002,
+ DW_AT_MIPS_tail_loop_begin = 0x2003,
+ DW_AT_MIPS_epilog_begin = 0x2004,
+ DW_AT_MIPS_loop_unroll_factor = 0x2005,
+ DW_AT_MIPS_software_pipeline_depth = 0x2006,
DW_AT_MIPS_linkage_name = 0x2007,
- DW_AT_sf_names = 0x2101,
+ DW_AT_MIPS_stride = 0x2008,
+ DW_AT_MIPS_abstract_name = 0x2009,
+ DW_AT_MIPS_clone_origin = 0x200a,
+ DW_AT_MIPS_has_inlines = 0x200b,
+ DW_AT_MIPS_stride_byte = 0x200c,
+ DW_AT_MIPS_stride_elem = 0x200d,
+ DW_AT_MIPS_ptr_dopetype = 0x200e,
+ DW_AT_MIPS_allocatable_dopetype = 0x200f,
+ DW_AT_MIPS_assumed_shape_dopetype = 0x2010,
+
+ // This one appears to have only been implemented by Open64 for
+ // fortran and may conflict with other extensions.
+ DW_AT_MIPS_assumed_size = 0x2011,
+
+ // GNU extensions
+ DW_AT_sf_names = 0x2101,
DW_AT_src_info = 0x2102,
DW_AT_mac_info = 0x2103,
DW_AT_src_coords = 0x2104,
DW_AT_body_begin = 0x2105,
DW_AT_body_end = 0x2106,
DW_AT_GNU_vector = 0x2107,
- DW_AT_lo_user = 0x2000,
- DW_AT_hi_user = 0x3fff,
+ DW_AT_GNU_template_name = 0x2110,
+
+ DW_AT_GNU_odr_signature = 0x210f,
+
+ // Extensions for Fission proposal.
+ DW_AT_GNU_dwo_name = 0x2130,
+ DW_AT_GNU_dwo_id = 0x2131,
+ DW_AT_GNU_ranges_base = 0x2132,
+ DW_AT_GNU_addr_base = 0x2133,
+ DW_AT_GNU_pubnames = 0x2134,
+ DW_AT_GNU_pubtypes = 0x2135,
+ DW_AT_GNU_discriminator = 0x2136,
+
+ // Borland extensions.
+ DW_AT_BORLAND_property_read = 0x3b11,
+ DW_AT_BORLAND_property_write = 0x3b12,
+ DW_AT_BORLAND_property_implements = 0x3b13,
+ DW_AT_BORLAND_property_index = 0x3b14,
+ DW_AT_BORLAND_property_default = 0x3b15,
+ DW_AT_BORLAND_Delphi_unit = 0x3b20,
+ DW_AT_BORLAND_Delphi_class = 0x3b21,
+ DW_AT_BORLAND_Delphi_record = 0x3b22,
+ DW_AT_BORLAND_Delphi_metaclass = 0x3b23,
+ DW_AT_BORLAND_Delphi_constructor = 0x3b24,
+ DW_AT_BORLAND_Delphi_destructor = 0x3b25,
+ DW_AT_BORLAND_Delphi_anonymous_method = 0x3b26,
+ DW_AT_BORLAND_Delphi_interface = 0x3b27,
+ DW_AT_BORLAND_Delphi_ABI = 0x3b28,
+ DW_AT_BORLAND_Delphi_return = 0x3b29,
+ DW_AT_BORLAND_Delphi_frameptr = 0x3b30,
+ DW_AT_BORLAND_closure = 0x3b31,
+
+ // LLVM project extensions.
+ DW_AT_LLVM_include_path = 0x3e00,
+ DW_AT_LLVM_config_macros = 0x3e01,
+ DW_AT_LLVM_isysroot = 0x3e02,
// Apple extensions.
DW_AT_APPLE_optimized = 0x3fe1,
DW_AT_APPLE_block = 0x3fe4,
DW_AT_APPLE_major_runtime_vers = 0x3fe5,
DW_AT_APPLE_runtime_class = 0x3fe6,
+ DW_AT_APPLE_omit_frame_ptr = 0x3fe7,
+ DW_AT_APPLE_property_name = 0x3fe8,
+ DW_AT_APPLE_property_getter = 0x3fe9,
+ DW_AT_APPLE_property_setter = 0x3fea,
+ DW_AT_APPLE_property_attribute = 0x3feb,
+ DW_AT_APPLE_objc_complete_type = 0x3fec,
+ DW_AT_APPLE_property = 0x3fed
+};
+enum Form : uint16_t {
// Attribute form encodings
DW_FORM_addr = 0x01,
DW_FORM_block2 = 0x03,
DW_FORM_ref8 = 0x14,
DW_FORM_ref_udata = 0x15,
DW_FORM_indirect = 0x16,
+ DW_FORM_sec_offset = 0x17,
+ DW_FORM_exprloc = 0x18,
+ DW_FORM_flag_present = 0x19,
+ DW_FORM_ref_sig8 = 0x20,
+
+ // Extensions for Fission proposal
+ DW_FORM_GNU_addr_index = 0x1f01,
+ DW_FORM_GNU_str_index = 0x1f02,
+
+ // Alternate debug sections proposal (output of "dwz" tool).
+ DW_FORM_GNU_ref_alt = 0x1f20,
+ DW_FORM_GNU_strp_alt = 0x1f21
+};
- // Operation encodings
- DW_OP_addr = 0x03,
- DW_OP_deref = 0x06,
- DW_OP_const1u = 0x08,
- DW_OP_const1s = 0x09,
- DW_OP_const2u = 0x0a,
- DW_OP_const2s = 0x0b,
- DW_OP_const4u = 0x0c,
- DW_OP_const4s = 0x0d,
- DW_OP_const8u = 0x0e,
- DW_OP_const8s = 0x0f,
- DW_OP_constu = 0x10,
- DW_OP_consts = 0x11,
- DW_OP_dup = 0x12,
- DW_OP_drop = 0x13,
- DW_OP_over = 0x14,
- DW_OP_pick = 0x15,
- DW_OP_swap = 0x16,
- DW_OP_rot = 0x17,
- DW_OP_xderef = 0x18,
- DW_OP_abs = 0x19,
- DW_OP_and = 0x1a,
- DW_OP_div = 0x1b,
- DW_OP_minus = 0x1c,
- DW_OP_mod = 0x1d,
- DW_OP_mul = 0x1e,
- DW_OP_neg = 0x1f,
- DW_OP_not = 0x20,
- DW_OP_or = 0x21,
- DW_OP_plus = 0x22,
- DW_OP_plus_uconst = 0x23,
- DW_OP_shl = 0x24,
- DW_OP_shr = 0x25,
- DW_OP_shra = 0x26,
- DW_OP_xor = 0x27,
- DW_OP_skip = 0x2f,
- DW_OP_bra = 0x28,
- DW_OP_eq = 0x29,
- DW_OP_ge = 0x2a,
- DW_OP_gt = 0x2b,
- DW_OP_le = 0x2c,
- DW_OP_lt = 0x2d,
- DW_OP_ne = 0x2e,
- DW_OP_lit0 = 0x30,
- DW_OP_lit1 = 0x31,
- DW_OP_lit31 = 0x4f,
- DW_OP_reg0 = 0x50,
- DW_OP_reg1 = 0x51,
- DW_OP_reg31 = 0x6f,
- DW_OP_breg0 = 0x70,
- DW_OP_breg1 = 0x71,
- DW_OP_breg31 = 0x8f,
- DW_OP_regx = 0x90,
- DW_OP_fbreg = 0x91,
- DW_OP_bregx = 0x92,
- DW_OP_piece = 0x93,
- DW_OP_deref_size = 0x94,
- DW_OP_xderef_size = 0x95,
- DW_OP_nop = 0x96,
- DW_OP_push_object_address = 0x97,
- DW_OP_call2 = 0x98,
- DW_OP_call4 = 0x99,
- DW_OP_call_ref = 0x9a,
- DW_OP_form_tls_address = 0x9b,
- DW_OP_call_frame_cfa = 0x9c,
+enum LocationAtom {
+#define HANDLE_DW_OP(ID, NAME) DW_OP_##NAME = ID,
+#include "llvm/Support/Dwarf.def"
DW_OP_lo_user = 0xe0,
- DW_OP_hi_user = 0xff,
-
- // Encoding attribute values
- DW_ATE_address = 0x01,
- DW_ATE_boolean = 0x02,
- DW_ATE_complex_float = 0x03,
- DW_ATE_float = 0x04,
- DW_ATE_signed = 0x05,
- DW_ATE_signed_char = 0x06,
- DW_ATE_unsigned = 0x07,
- DW_ATE_unsigned_char = 0x08,
- DW_ATE_imaginary_float = 0x09,
- DW_ATE_packed_decimal = 0x0a,
- DW_ATE_numeric_string = 0x0b,
- DW_ATE_edited = 0x0c,
- DW_ATE_signed_fixed = 0x0d,
- DW_ATE_unsigned_fixed = 0x0e,
- DW_ATE_decimal_float = 0x0f,
+ DW_OP_hi_user = 0xff
+};
+
+enum TypeKind {
+#define HANDLE_DW_ATE(ID, NAME) DW_ATE_##NAME = ID,
+#include "llvm/Support/Dwarf.def"
DW_ATE_lo_user = 0x80,
- DW_ATE_hi_user = 0xff,
+ DW_ATE_hi_user = 0xff
+};
+enum DecimalSignEncoding {
// Decimal sign attribute values
DW_DS_unsigned = 0x01,
DW_DS_leading_overpunch = 0x02,
DW_DS_trailing_overpunch = 0x03,
DW_DS_leading_separate = 0x04,
- DW_DS_trailing_separate = 0x05,
+ DW_DS_trailing_separate = 0x05
+};
+enum EndianityEncoding {
// Endianity attribute values
DW_END_default = 0x00,
DW_END_big = 0x01,
DW_END_little = 0x02,
DW_END_lo_user = 0x40,
- DW_END_hi_user = 0xff,
+ DW_END_hi_user = 0xff
+};
+enum AccessAttribute {
// Accessibility codes
DW_ACCESS_public = 0x01,
DW_ACCESS_protected = 0x02,
- DW_ACCESS_private = 0x03,
+ DW_ACCESS_private = 0x03
+};
+enum VisibilityAttribute {
// Visibility codes
DW_VIS_local = 0x01,
DW_VIS_exported = 0x02,
- DW_VIS_qualified = 0x03,
-
- // Virtuality codes
- DW_VIRTUALITY_none = 0x00,
- DW_VIRTUALITY_virtual = 0x01,
- DW_VIRTUALITY_pure_virtual = 0x02,
-
- // Language names
- DW_LANG_C89 = 0x0001,
- DW_LANG_C = 0x0002,
- DW_LANG_Ada83 = 0x0003,
- DW_LANG_C_plus_plus = 0x0004,
- DW_LANG_Cobol74 = 0x0005,
- DW_LANG_Cobol85 = 0x0006,
- DW_LANG_Fortran77 = 0x0007,
- DW_LANG_Fortran90 = 0x0008,
- DW_LANG_Pascal83 = 0x0009,
- DW_LANG_Modula2 = 0x000a,
- DW_LANG_Java = 0x000b,
- DW_LANG_C99 = 0x000c,
- DW_LANG_Ada95 = 0x000d,
- DW_LANG_Fortran95 = 0x000e,
- DW_LANG_PLI = 0x000f,
- DW_LANG_ObjC = 0x0010,
- DW_LANG_ObjC_plus_plus = 0x0011,
- DW_LANG_UPC = 0x0012,
- DW_LANG_D = 0x0013,
+ DW_VIS_qualified = 0x03
+};
+
+enum VirtualityAttribute {
+#define HANDLE_DW_VIRTUALITY(ID, NAME) DW_VIRTUALITY_##NAME = ID,
+#include "llvm/Support/Dwarf.def"
+ DW_VIRTUALITY_max = 0x02
+};
+
+enum SourceLanguage {
+#define HANDLE_DW_LANG(ID, NAME) DW_LANG_##NAME = ID,
+#include "llvm/Support/Dwarf.def"
DW_LANG_lo_user = 0x8000,
- DW_LANG_hi_user = 0xffff,
+ DW_LANG_hi_user = 0xffff
+};
+enum CaseSensitivity {
// Identifier case codes
DW_ID_case_sensitive = 0x00,
DW_ID_up_case = 0x01,
DW_ID_down_case = 0x02,
- DW_ID_case_insensitive = 0x03,
+ DW_ID_case_insensitive = 0x03
+};
+enum CallingConvention {
// Calling convention codes
DW_CC_normal = 0x01,
DW_CC_program = 0x02,
DW_CC_nocall = 0x03,
DW_CC_lo_user = 0x40,
- DW_CC_hi_user = 0xff,
+ DW_CC_GNU_borland_fastcall_i386 = 0x41,
+ DW_CC_BORLAND_safecall = 0xb0,
+ DW_CC_BORLAND_stdcall = 0xb1,
+ DW_CC_BORLAND_pascal = 0xb2,
+ DW_CC_BORLAND_msfastcall = 0xb3,
+ DW_CC_BORLAND_msreturn = 0xb4,
+ DW_CC_BORLAND_thiscall = 0xb5,
+ DW_CC_BORLAND_fastcall = 0xb6,
+ DW_CC_hi_user = 0xff
+};
+enum InlineAttribute {
// Inline codes
DW_INL_not_inlined = 0x00,
DW_INL_inlined = 0x01,
DW_INL_declared_not_inlined = 0x02,
- DW_INL_declared_inlined = 0x03,
+ DW_INL_declared_inlined = 0x03
+};
+enum ArrayDimensionOrdering {
// Array ordering
DW_ORD_row_major = 0x00,
- DW_ORD_col_major = 0x01,
+ DW_ORD_col_major = 0x01
+};
+enum DiscriminantList {
// Discriminant descriptor values
DW_DSC_label = 0x00,
- DW_DSC_range = 0x01,
+ DW_DSC_range = 0x01
+};
+enum LineNumberOps {
// Line Number Standard Opcode Encodings
+ DW_LNS_extended_op = 0x00,
DW_LNS_copy = 0x01,
DW_LNS_advance_pc = 0x02,
DW_LNS_advance_line = 0x03,
DW_LNS_fixed_advance_pc = 0x09,
DW_LNS_set_prologue_end = 0x0a,
DW_LNS_set_epilogue_begin = 0x0b,
- DW_LNS_set_isa = 0x0c,
+ DW_LNS_set_isa = 0x0c
+};
+enum LineNumberExtendedOps {
// Line Number Extended Opcode Encodings
DW_LNE_end_sequence = 0x01,
DW_LNE_set_address = 0x02,
DW_LNE_define_file = 0x03,
+ DW_LNE_set_discriminator = 0x04,
DW_LNE_lo_user = 0x80,
- DW_LNE_hi_user = 0xff,
+ DW_LNE_hi_user = 0xff
+};
+enum MacinfoRecordType {
// Macinfo Type Encodings
DW_MACINFO_define = 0x01,
DW_MACINFO_undef = 0x02,
DW_MACINFO_start_file = 0x03,
DW_MACINFO_end_file = 0x04,
- DW_MACINFO_vendor_ext = 0xff,
+ DW_MACINFO_vendor_ext = 0xff
+};
+enum CallFrameInfo {
// Call frame instruction encodings
DW_CFA_extended = 0x00,
DW_CFA_nop = 0x00,
DW_CFA_val_offset = 0x14,
DW_CFA_val_offset_sf = 0x15,
DW_CFA_val_expression = 0x16,
+ DW_CFA_MIPS_advance_loc8 = 0x1d,
+ DW_CFA_GNU_window_save = 0x2d,
+ DW_CFA_GNU_args_size = 0x2e,
DW_CFA_lo_user = 0x1c,
- DW_CFA_hi_user = 0x3f,
+ DW_CFA_hi_user = 0x3f
+};
+
+enum Constants {
+ // Children flag
+ DW_CHILDREN_no = 0x00,
+ DW_CHILDREN_yes = 0x01,
DW_EH_PE_absptr = 0x00,
DW_EH_PE_omit = 0xff,
DW_EH_PE_indirect = 0x80
};
-/// TagString - Return the string for the specified tag.
-///
-const char *TagString(unsigned Tag);
+// Constants for debug_loc.dwo in the DWARF5 Split Debug Info Proposal
+enum LocationListEntry : unsigned char {
+ DW_LLE_end_of_list_entry,
+ DW_LLE_base_address_selection_entry,
+ DW_LLE_start_end_entry,
+ DW_LLE_start_length_entry,
+ DW_LLE_offset_pair_entry
+};
-/// ChildrenString - Return the string for the specified children flag.
-///
-const char *ChildrenString(unsigned Children);
+/// Contstants for the DW_APPLE_PROPERTY_attributes attribute.
+/// Keep this list in sync with clang's DeclSpec.h ObjCPropertyAttributeKind.
+enum ApplePropertyAttributes {
+ // Apple Objective-C Property Attributes
+ DW_APPLE_PROPERTY_readonly = 0x01,
+ DW_APPLE_PROPERTY_getter = 0x02,
+ DW_APPLE_PROPERTY_assign = 0x04,
+ DW_APPLE_PROPERTY_readwrite = 0x08,
+ DW_APPLE_PROPERTY_retain = 0x10,
+ DW_APPLE_PROPERTY_copy = 0x20,
+ DW_APPLE_PROPERTY_nonatomic = 0x40,
+ DW_APPLE_PROPERTY_setter = 0x80,
+ DW_APPLE_PROPERTY_atomic = 0x100,
+ DW_APPLE_PROPERTY_weak = 0x200,
+ DW_APPLE_PROPERTY_strong = 0x400,
+ DW_APPLE_PROPERTY_unsafe_unretained = 0x800
+};
-/// AttributeString - Return the string for the specified attribute.
-///
-const char *AttributeString(unsigned Attribute);
+// Constants for the DWARF5 Accelerator Table Proposal
+enum AcceleratorTable {
+ // Data layout descriptors.
+ DW_ATOM_null = 0u, // Marker as the end of a list of atoms.
+ DW_ATOM_die_offset = 1u, // DIE offset in the debug_info section.
+ DW_ATOM_cu_offset = 2u, // Offset of the compile unit header that contains the
+ // item in question.
+ DW_ATOM_die_tag = 3u, // A tag entry.
+ DW_ATOM_type_flags = 4u, // Set of flags for a type.
-/// FormEncodingString - Return the string for the specified form encoding.
-///
-const char *FormEncodingString(unsigned Encoding);
+ // DW_ATOM_type_flags values.
-/// OperationEncodingString - Return the string for the specified operation
-/// encoding.
-const char *OperationEncodingString(unsigned Encoding);
+ // Always set for C++, only set for ObjC if this is the @implementation for a
+ // class.
+ DW_FLAG_type_implementation = 2u,
-/// AttributeEncodingString - Return the string for the specified attribute
-/// encoding.
-const char *AttributeEncodingString(unsigned Encoding);
+ // Hash functions.
-/// DecimalSignString - Return the string for the specified decimal sign
-/// attribute.
-const char *DecimalSignString(unsigned Sign);
+ // Daniel J. Bernstein hash.
+ DW_hash_function_djb = 0u
+};
-/// EndianityString - Return the string for the specified endianity.
-///
-const char *EndianityString(unsigned Endian);
+// Constants for the GNU pubnames/pubtypes extensions supporting gdb index.
+enum GDBIndexEntryKind {
+ GIEK_NONE,
+ GIEK_TYPE,
+ GIEK_VARIABLE,
+ GIEK_FUNCTION,
+ GIEK_OTHER,
+ GIEK_UNUSED5,
+ GIEK_UNUSED6,
+ GIEK_UNUSED7
+};
-/// AccessibilityString - Return the string for the specified accessibility.
-///
-const char *AccessibilityString(unsigned Access);
+enum GDBIndexEntryLinkage {
+ GIEL_EXTERNAL,
+ GIEL_STATIC
+};
-/// VisibilityString - Return the string for the specified visibility.
+/// \defgroup DwarfConstantsDumping Dwarf constants dumping functions
///
-const char *VisibilityString(unsigned Visibility);
-
-/// VirtualityString - Return the string for the specified virtuality.
+/// All these functions map their argument's value back to the
+/// corresponding enumerator name or return nullptr if the value isn't
+/// known.
///
+/// @{
+const char *TagString(unsigned Tag);
+const char *ChildrenString(unsigned Children);
+const char *AttributeString(unsigned Attribute);
+const char *FormEncodingString(unsigned Encoding);
+const char *OperationEncodingString(unsigned Encoding);
+const char *AttributeEncodingString(unsigned Encoding);
+const char *DecimalSignString(unsigned Sign);
+const char *EndianityString(unsigned Endian);
+const char *AccessibilityString(unsigned Access);
+const char *VisibilityString(unsigned Visibility);
const char *VirtualityString(unsigned Virtuality);
-
-/// LanguageString - Return the string for the specified language.
-///
const char *LanguageString(unsigned Language);
-
-/// CaseString - Return the string for the specified identifier case.
-///
const char *CaseString(unsigned Case);
-
-/// ConventionString - Return the string for the specified calling convention.
-///
const char *ConventionString(unsigned Convention);
-
-/// InlineCodeString - Return the string for the specified inline code.
-///
const char *InlineCodeString(unsigned Code);
-
-/// ArrayOrderString - Return the string for the specified array order.
-///
const char *ArrayOrderString(unsigned Order);
-
-/// DiscriminantString - Return the string for the specified discriminant
-/// descriptor.
const char *DiscriminantString(unsigned Discriminant);
-
-/// LNStandardString - Return the string for the specified line number standard.
-///
const char *LNStandardString(unsigned Standard);
-
-/// LNExtendedString - Return the string for the specified line number extended
-/// opcode encodings.
const char *LNExtendedString(unsigned Encoding);
-
-/// MacinfoString - Return the string for the specified macinfo type encodings.
-///
const char *MacinfoString(unsigned Encoding);
-
-/// CallFrameString - Return the string for the specified call frame instruction
-/// encodings.
const char *CallFrameString(unsigned Encoding);
+const char *ApplePropertyString(unsigned);
+const char *AtomTypeString(unsigned Atom);
+const char *GDBIndexEntryKindString(GDBIndexEntryKind Kind);
+const char *GDBIndexEntryLinkageString(GDBIndexEntryLinkage Linkage);
+/// @}
+
+/// \defgroup DwarfConstantsParsing Dwarf constants parsing functions
+///
+/// These functions map their strings back to the corresponding enumeration
+/// value or return 0 if there is none, except for these exceptions:
+///
+/// \li \a getTag() returns \a DW_TAG_invalid on invalid input.
+/// \li \a getVirtuality() returns \a DW_VIRTUALITY_invalid on invalid input.
+///
+/// @{
+unsigned getTag(StringRef TagString);
+unsigned getOperationEncoding(StringRef OperationEncodingString);
+unsigned getVirtuality(StringRef VirtualityString);
+unsigned getLanguage(StringRef LanguageString);
+unsigned getAttributeEncoding(StringRef EncodingString);
+/// @}
+
+/// \brief Returns the symbolic string representing Val when used as a value
+/// for attribute Attr.
+const char *AttributeValueString(uint16_t Attr, unsigned Val);
+
+/// \brief Decsribes an entry of the various gnu_pub* debug sections.
+///
+/// The gnu_pub* kind looks like:
+///
+/// 0-3 reserved
+/// 4-6 symbol kind
+/// 7 0 == global, 1 == static
+///
+/// A gdb_index descriptor includes the above kind, shifted 24 bits up with the
+/// offset of the cu within the debug_info section stored in those 24 bits.
+struct PubIndexEntryDescriptor {
+ GDBIndexEntryKind Kind;
+ GDBIndexEntryLinkage Linkage;
+ PubIndexEntryDescriptor(GDBIndexEntryKind Kind, GDBIndexEntryLinkage Linkage)
+ : Kind(Kind), Linkage(Linkage) {}
+ /* implicit */ PubIndexEntryDescriptor(GDBIndexEntryKind Kind)
+ : Kind(Kind), Linkage(GIEL_EXTERNAL) {}
+ explicit PubIndexEntryDescriptor(uint8_t Value)
+ : Kind(static_cast<GDBIndexEntryKind>((Value & KIND_MASK) >>
+ KIND_OFFSET)),
+ Linkage(static_cast<GDBIndexEntryLinkage>((Value & LINKAGE_MASK) >>
+ LINKAGE_OFFSET)) {}
+ uint8_t toBits() { return Kind << KIND_OFFSET | Linkage << LINKAGE_OFFSET; }
+
+private:
+ enum {
+ KIND_OFFSET = 4,
+ KIND_MASK = 7 << KIND_OFFSET,
+ LINKAGE_OFFSET = 7,
+ LINKAGE_MASK = 1 << LINKAGE_OFFSET
+ };
+};
} // End of namespace dwarf
projects / oota-llvm.git / blobdiff