diff options
Diffstat (limited to 'include/llvm/Support/Dwarf.h')
-rw-r--r-- | include/llvm/Support/Dwarf.h | 333 |
1 files changed, 35 insertions, 298 deletions
diff --git a/include/llvm/Support/Dwarf.h b/include/llvm/Support/Dwarf.h index 47b00b1..c294a72 100644 --- a/include/llvm/Support/Dwarf.h +++ b/include/llvm/Support/Dwarf.h @@ -20,6 +20,7 @@ #ifndef LLVM_SUPPORT_DWARF_H #define LLVM_SUPPORT_DWARF_H +#include "llvm/ADT/StringRef.h" #include "llvm/Support/Compiler.h" #include "llvm/Support/DataTypes.h" @@ -36,15 +37,11 @@ namespace dwarf { // enumeration base type. enum LLVMConstants : uint32_t { - // llvm mock tags - DW_TAG_invalid = ~0U, // Tag for invalid results. - - DW_TAG_auto_variable = 0x100, // Tag for local (auto) variables. - DW_TAG_arg_variable = 0x101, // Tag for argument variables. - DW_TAG_expression = 0x102, // Tag for complex address expressions. - - DW_TAG_user_base = 0x1000, // Recommended base for user tags. + // 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. + // 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. @@ -57,82 +54,11 @@ const uint32_t DW_CIE_ID = UINT32_MAX; const uint64_t DW64_CIE_ID = UINT64_MAX; enum Tag : uint16_t { - 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, - DW_TAG_type_unit = 0x41, - DW_TAG_rvalue_reference_type = 0x42, - DW_TAG_template_alias = 0x43, - - // New in DWARF 5: - DW_TAG_coarray_type = 0x44, - DW_TAG_generic_subrange = 0x45, - DW_TAG_dynamic_type = 0x46, - - DW_TAG_MIPS_loop = 0x4081, - DW_TAG_format_label = 0x4101, - DW_TAG_function_template = 0x4102, - DW_TAG_class_template = 0x4103, - DW_TAG_GNU_template_template_param = 0x4106, - DW_TAG_GNU_template_parameter_pack = 0x4107, - DW_TAG_GNU_formal_parameter_pack = 0x4108, +#define HANDLE_DW_TAG(ID, NAME) DW_TAG_##NAME = ID, +#include "llvm/Support/Dwarf.def" DW_TAG_lo_user = 0x4080, - DW_TAG_APPLE_property = 0x4200, - DW_TAG_hi_user = 0xffff + DW_TAG_hi_user = 0xffff, + DW_TAG_user_base = 0x1000 // Recommended base for user tags. }; inline bool isType(Tag T) { @@ -363,190 +289,15 @@ enum Form : uint16_t { }; enum LocationAtom { - // 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_lit2 = 0x32, - DW_OP_lit3 = 0x33, - DW_OP_lit4 = 0x34, - DW_OP_lit5 = 0x35, - DW_OP_lit6 = 0x36, - DW_OP_lit7 = 0x37, - DW_OP_lit8 = 0x38, - DW_OP_lit9 = 0x39, - DW_OP_lit10 = 0x3a, - DW_OP_lit11 = 0x3b, - DW_OP_lit12 = 0x3c, - DW_OP_lit13 = 0x3d, - DW_OP_lit14 = 0x3e, - DW_OP_lit15 = 0x3f, - DW_OP_lit16 = 0x40, - DW_OP_lit17 = 0x41, - DW_OP_lit18 = 0x42, - DW_OP_lit19 = 0x43, - DW_OP_lit20 = 0x44, - DW_OP_lit21 = 0x45, - DW_OP_lit22 = 0x46, - DW_OP_lit23 = 0x47, - DW_OP_lit24 = 0x48, - DW_OP_lit25 = 0x49, - DW_OP_lit26 = 0x4a, - DW_OP_lit27 = 0x4b, - DW_OP_lit28 = 0x4c, - DW_OP_lit29 = 0x4d, - DW_OP_lit30 = 0x4e, - DW_OP_lit31 = 0x4f, - DW_OP_reg0 = 0x50, - DW_OP_reg1 = 0x51, - DW_OP_reg2 = 0x52, - DW_OP_reg3 = 0x53, - DW_OP_reg4 = 0x54, - DW_OP_reg5 = 0x55, - DW_OP_reg6 = 0x56, - DW_OP_reg7 = 0x57, - DW_OP_reg8 = 0x58, - DW_OP_reg9 = 0x59, - DW_OP_reg10 = 0x5a, - DW_OP_reg11 = 0x5b, - DW_OP_reg12 = 0x5c, - DW_OP_reg13 = 0x5d, - DW_OP_reg14 = 0x5e, - DW_OP_reg15 = 0x5f, - DW_OP_reg16 = 0x60, - DW_OP_reg17 = 0x61, - DW_OP_reg18 = 0x62, - DW_OP_reg19 = 0x63, - DW_OP_reg20 = 0x64, - DW_OP_reg21 = 0x65, - DW_OP_reg22 = 0x66, - DW_OP_reg23 = 0x67, - DW_OP_reg24 = 0x68, - DW_OP_reg25 = 0x69, - DW_OP_reg26 = 0x6a, - DW_OP_reg27 = 0x6b, - DW_OP_reg28 = 0x6c, - DW_OP_reg29 = 0x6d, - DW_OP_reg30 = 0x6e, - DW_OP_reg31 = 0x6f, - DW_OP_breg0 = 0x70, - DW_OP_breg1 = 0x71, - DW_OP_breg2 = 0x72, - DW_OP_breg3 = 0x73, - DW_OP_breg4 = 0x74, - DW_OP_breg5 = 0x75, - DW_OP_breg6 = 0x76, - DW_OP_breg7 = 0x77, - DW_OP_breg8 = 0x78, - DW_OP_breg9 = 0x79, - DW_OP_breg10 = 0x7a, - DW_OP_breg11 = 0x7b, - DW_OP_breg12 = 0x7c, - DW_OP_breg13 = 0x7d, - DW_OP_breg14 = 0x7e, - DW_OP_breg15 = 0x7f, - DW_OP_breg16 = 0x80, - DW_OP_breg17 = 0x81, - DW_OP_breg18 = 0x82, - DW_OP_breg19 = 0x83, - DW_OP_breg20 = 0x84, - DW_OP_breg21 = 0x85, - DW_OP_breg22 = 0x86, - DW_OP_breg23 = 0x87, - DW_OP_breg24 = 0x88, - DW_OP_breg25 = 0x89, - DW_OP_breg26 = 0x8a, - DW_OP_breg27 = 0x8b, - DW_OP_breg28 = 0x8c, - DW_OP_breg29 = 0x8d, - DW_OP_breg30 = 0x8e, - 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, - DW_OP_bit_piece = 0x9d, - DW_OP_implicit_value = 0x9e, - DW_OP_stack_value = 0x9f, +#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, - - // Extensions for GNU-style thread-local storage. - DW_OP_GNU_push_tls_address = 0xe0, - - // Extensions for Fission proposal. - DW_OP_GNU_addr_index = 0xfb, - DW_OP_GNU_const_index = 0xfc + DW_OP_hi_user = 0xff }; enum TypeKind { - // 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_ATE_UTF = 0x10, +#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 }; @@ -584,45 +335,15 @@ enum VisibilityAttribute { }; enum VirtualityAttribute { - // Virtuality codes - DW_VIRTUALITY_none = 0x00, - DW_VIRTUALITY_virtual = 0x01, - DW_VIRTUALITY_pure_virtual = 0x02 +#define HANDLE_DW_VIRTUALITY(ID, NAME) DW_VIRTUALITY_##NAME = ID, +#include "llvm/Support/Dwarf.def" + DW_VIRTUALITY_max = 0x02 }; enum SourceLanguage { - // 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, - // New in DWARF 5: - DW_LANG_Python = 0x0014, - DW_LANG_OpenCL = 0x0015, - DW_LANG_Go = 0x0016, - DW_LANG_Modula3 = 0x0017, - DW_LANG_Haskell = 0x0018, - DW_LANG_C_plus_plus_03 = 0x0019, - DW_LANG_C_plus_plus_11 = 0x001a, - DW_LANG_OCaml = 0x001b, - +#define HANDLE_DW_LANG(ID, NAME) DW_LANG_##NAME = ID, +#include "llvm/Support/Dwarf.def" DW_LANG_lo_user = 0x8000, - DW_LANG_Mips_Assembler = 0x8001, DW_LANG_hi_user = 0xffff }; @@ -859,6 +580,22 @@ 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); |