X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FSupport%2FDwarf.h;h=0f3354143849b33c01d9df4555d031727dceb118;hb=118a0659ab8a4d0e0af343b88e5fa71a5c1eb6a6;hp=2a48f3c3076c7eb4d6d166e8aee4428412fedf65;hpb=e9db5e29e3af91eec572bfeb8dcec908213298b0;p=oota-llvm.git diff --git a/include/llvm/Support/Dwarf.h b/include/llvm/Support/Dwarf.h index 2a48f3c3076..0f335414384 100644 --- a/include/llvm/Support/Dwarf.h +++ b/include/llvm/Support/Dwarf.h @@ -16,49 +16,59 @@ #ifndef LLVM_SUPPORT_DWARF_H #define LLVM_SUPPORT_DWARF_H +#include "llvm/Support/Compiler.h" +#include "llvm/Support/DataTypes.h" + namespace llvm { //===----------------------------------------------------------------------===// // Debug info constants. -enum { - LLVMDebugVersion = (9 << 16), // Current version of debug information. - LLVMDebugVersion8 = (8 << 16), // Cconstant for version 8. - LLVMDebugVersion7 = (7 << 16), // Constant for version 7. - 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. +enum LLVM_ENUM_INT_TYPE(uint32_t) { + LLVMDebugVersion = (12 << 16), // Current version of debug information. + LLVMDebugVersion11 = (11 << 16), // Constant for version 11. + LLVMDebugVersion10 = (10 << 16), // Constant for version 10. + LLVMDebugVersion9 = (9 << 16), // Constant for version 9. + LLVMDebugVersion8 = (8 << 16), // Constant for version 8. + LLVMDebugVersion7 = (7 << 16), // Constant for version 7. + 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 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://dwarf.freestandards.org. // // Do not mix the following two enumerations sets. DW_TAG_invalid changes the // enumeration base type. -enum llvm_dwarf_constants { +enum LLVMConstants LLVM_ENUM_INT_TYPE(uint32_t) { // llvm mock tags - DW_TAG_invalid = ~0U, // Tag for invalid results. + 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_return_variable = 0x102, // Tag for return variables. - DW_TAG_vector_type = 0x103, // Tag for vector types. + DW_TAG_auto_variable = 0x100, // Tag for local (auto) variables. + DW_TAG_arg_variable = 0x101, // Tag for argument variables. - DW_TAG_user_base = 0x1000, // Recommended base for user tags. + 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. + DWARF_VERSION = 4, // Default dwarf version we output. + DW_CIE_VERSION = 1, // Common frame information version. + 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, +// 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 Constants { // Tags DW_TAG_array_type = 0x01, DW_TAG_class_type = 0x02, @@ -117,8 +127,18 @@ enum dwarf_constants { DW_TAG_imported_unit = 0x3d, DW_TAG_condition = 0x3f, DW_TAG_shared_type = 0x40, - DW_TAG_rvalue_reference_type = 0x41, + DW_TAG_type_unit = 0x41, + DW_TAG_rvalue_reference_type = 0x42, + DW_TAG_template_alias = 0x43, + 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, DW_TAG_lo_user = 0x4080, + DW_TAG_APPLE_property = 0x4200, DW_TAG_hi_user = 0xffff, // Children flag @@ -212,16 +232,55 @@ enum dwarf_constants { 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, + + 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, // Apple extensions. DW_AT_APPLE_optimized = 0x3fe1, @@ -235,6 +294,8 @@ enum dwarf_constants { 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, // Attribute form encodings DW_FORM_addr = 0x01, @@ -258,6 +319,14 @@ enum dwarf_constants { 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, // Operation encodings DW_OP_addr = 0x03, @@ -411,9 +480,16 @@ enum dwarf_constants { 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, DW_OP_lo_user = 0xe0, DW_OP_hi_user = 0xff, + // Extensions for Fission proposal. + DW_OP_GNU_addr_index = 0xfb, + DW_OP_GNU_const_index = 0xfc, + // Encoding attribute values DW_ATE_address = 0x01, DW_ATE_boolean = 0x02, @@ -430,6 +506,7 @@ enum dwarf_constants { DW_ATE_signed_fixed = 0x0d, DW_ATE_unsigned_fixed = 0x0e, DW_ATE_decimal_float = 0x0f, + DW_ATE_UTF = 0x10, DW_ATE_lo_user = 0x80, DW_ATE_hi_user = 0xff, @@ -482,7 +559,9 @@ enum dwarf_constants { DW_LANG_ObjC_plus_plus = 0x0011, DW_LANG_UPC = 0x0012, DW_LANG_D = 0x0013, + DW_LANG_Python = 0x0014, DW_LANG_lo_user = 0x8000, + DW_LANG_Mips_Assembler = 0x8001, DW_LANG_hi_user = 0xffff, // Identifier case codes @@ -531,6 +610,7 @@ enum dwarf_constants { 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, @@ -569,6 +649,9 @@ enum dwarf_constants { 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, @@ -682,6 +765,84 @@ const char *MacinfoString(unsigned Encoding); /// CallFrameString - Return the string for the specified call frame instruction /// encodings. const char *CallFrameString(unsigned Encoding); + +// 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. + + // DW_ATOM_type_flags values. + + // Always set for C++, only set for ObjC if this is the @implementation for a + // class. + DW_FLAG_type_implementation = 2u, + + // Hash functions. + + // Daniel J. Bernstein hash. + DW_hash_function_djb = 0u +}; + +/// AtomTypeString - Return the string for the specified Atom type. +const char *AtomTypeString(unsigned Atom); + +// 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 +}; + +const char *GDBIndexEntryKindString(GDBIndexEntryKind Kind); + +enum GDBIndexEntryLinkage { + GIEL_EXTERNAL, + GIEL_STATIC +}; + +const char *GDBIndexEntryLinkageString(GDBIndexEntryLinkage Linkage); + +/// 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((Value & KIND_MASK) >> + KIND_OFFSET)), + Linkage(static_cast((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 } // End of namespace llvm