--- /dev/null
+//===- llvm/Support/Dwarf.def - Dwarf definitions ---------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Macros for running through Dwarf enumerators.
+//
+//===----------------------------------------------------------------------===//
+
+// TODO: Add other DW-based macros.
+#if !(defined HANDLE_DW_TAG || defined HANDLE_DW_OP || \
+ defined HANDLE_DW_LANG || defined HANDLE_DW_ATE || \
+ defined HANDLE_DW_VIRTUALITY)
+#error "Missing macro definition of HANDLE_DW*"
+#endif
+
+#ifndef HANDLE_DW_TAG
+#define HANDLE_DW_TAG(ID, NAME)
+#endif
+
+#ifndef HANDLE_DW_OP
+#define HANDLE_DW_OP(ID, NAME)
+#endif
+
+#ifndef HANDLE_DW_LANG
+#define HANDLE_DW_LANG(ID, NAME)
+#endif
+
+#ifndef HANDLE_DW_ATE
+#define HANDLE_DW_ATE(ID, NAME)
+#endif
+
+#ifndef HANDLE_DW_VIRTUALITY
+#define HANDLE_DW_VIRTUALITY(ID, NAME)
+#endif
+
+HANDLE_DW_TAG(0x0001, array_type)
+HANDLE_DW_TAG(0x0002, class_type)
+HANDLE_DW_TAG(0x0003, entry_point)
+HANDLE_DW_TAG(0x0004, enumeration_type)
+HANDLE_DW_TAG(0x0005, formal_parameter)
+HANDLE_DW_TAG(0x0008, imported_declaration)
+HANDLE_DW_TAG(0x000a, label)
+HANDLE_DW_TAG(0x000b, lexical_block)
+HANDLE_DW_TAG(0x000d, member)
+HANDLE_DW_TAG(0x000f, pointer_type)
+HANDLE_DW_TAG(0x0010, reference_type)
+HANDLE_DW_TAG(0x0011, compile_unit)
+HANDLE_DW_TAG(0x0012, string_type)
+HANDLE_DW_TAG(0x0013, structure_type)
+HANDLE_DW_TAG(0x0015, subroutine_type)
+HANDLE_DW_TAG(0x0016, typedef)
+HANDLE_DW_TAG(0x0017, union_type)
+HANDLE_DW_TAG(0x0018, unspecified_parameters)
+HANDLE_DW_TAG(0x0019, variant)
+HANDLE_DW_TAG(0x001a, common_block)
+HANDLE_DW_TAG(0x001b, common_inclusion)
+HANDLE_DW_TAG(0x001c, inheritance)
+HANDLE_DW_TAG(0x001d, inlined_subroutine)
+HANDLE_DW_TAG(0x001e, module)
+HANDLE_DW_TAG(0x001f, ptr_to_member_type)
+HANDLE_DW_TAG(0x0020, set_type)
+HANDLE_DW_TAG(0x0021, subrange_type)
+HANDLE_DW_TAG(0x0022, with_stmt)
+HANDLE_DW_TAG(0x0023, access_declaration)
+HANDLE_DW_TAG(0x0024, base_type)
+HANDLE_DW_TAG(0x0025, catch_block)
+HANDLE_DW_TAG(0x0026, const_type)
+HANDLE_DW_TAG(0x0027, constant)
+HANDLE_DW_TAG(0x0028, enumerator)
+HANDLE_DW_TAG(0x0029, file_type)
+HANDLE_DW_TAG(0x002a, friend)
+HANDLE_DW_TAG(0x002b, namelist)
+HANDLE_DW_TAG(0x002c, namelist_item)
+HANDLE_DW_TAG(0x002d, packed_type)
+HANDLE_DW_TAG(0x002e, subprogram)
+HANDLE_DW_TAG(0x002f, template_type_parameter)
+HANDLE_DW_TAG(0x0030, template_value_parameter)
+HANDLE_DW_TAG(0x0031, thrown_type)
+HANDLE_DW_TAG(0x0032, try_block)
+HANDLE_DW_TAG(0x0033, variant_part)
+HANDLE_DW_TAG(0x0034, variable)
+HANDLE_DW_TAG(0x0035, volatile_type)
+HANDLE_DW_TAG(0x0036, dwarf_procedure)
+HANDLE_DW_TAG(0x0037, restrict_type)
+HANDLE_DW_TAG(0x0038, interface_type)
+HANDLE_DW_TAG(0x0039, namespace)
+HANDLE_DW_TAG(0x003a, imported_module)
+HANDLE_DW_TAG(0x003b, unspecified_type)
+HANDLE_DW_TAG(0x003c, partial_unit)
+HANDLE_DW_TAG(0x003d, imported_unit)
+HANDLE_DW_TAG(0x003f, condition)
+HANDLE_DW_TAG(0x0040, shared_type)
+HANDLE_DW_TAG(0x0041, type_unit)
+HANDLE_DW_TAG(0x0042, rvalue_reference_type)
+HANDLE_DW_TAG(0x0043, template_alias)
+
+// New in DWARF v5.
+HANDLE_DW_TAG(0x0044, coarray_type)
+HANDLE_DW_TAG(0x0045, generic_subrange)
+HANDLE_DW_TAG(0x0046, dynamic_type)
+
+// User-defined tags.
+HANDLE_DW_TAG(0x4081, MIPS_loop)
+HANDLE_DW_TAG(0x4101, format_label)
+HANDLE_DW_TAG(0x4102, function_template)
+HANDLE_DW_TAG(0x4103, class_template)
+HANDLE_DW_TAG(0x4106, GNU_template_template_param)
+HANDLE_DW_TAG(0x4107, GNU_template_parameter_pack)
+HANDLE_DW_TAG(0x4108, GNU_formal_parameter_pack)
+HANDLE_DW_TAG(0x4200, APPLE_property)
+HANDLE_DW_TAG(0xb000, BORLAND_property)
+HANDLE_DW_TAG(0xb001, BORLAND_Delphi_string)
+HANDLE_DW_TAG(0xb002, BORLAND_Delphi_dynamic_array)
+HANDLE_DW_TAG(0xb003, BORLAND_Delphi_set)
+HANDLE_DW_TAG(0xb004, BORLAND_Delphi_variant)
+
+HANDLE_DW_OP(0x03, addr)
+HANDLE_DW_OP(0x06, deref)
+HANDLE_DW_OP(0x08, const1u)
+HANDLE_DW_OP(0x09, const1s)
+HANDLE_DW_OP(0x0a, const2u)
+HANDLE_DW_OP(0x0b, const2s)
+HANDLE_DW_OP(0x0c, const4u)
+HANDLE_DW_OP(0x0d, const4s)
+HANDLE_DW_OP(0x0e, const8u)
+HANDLE_DW_OP(0x0f, const8s)
+HANDLE_DW_OP(0x10, constu)
+HANDLE_DW_OP(0x11, consts)
+HANDLE_DW_OP(0x12, dup)
+HANDLE_DW_OP(0x13, drop)
+HANDLE_DW_OP(0x14, over)
+HANDLE_DW_OP(0x15, pick)
+HANDLE_DW_OP(0x16, swap)
+HANDLE_DW_OP(0x17, rot)
+HANDLE_DW_OP(0x18, xderef)
+HANDLE_DW_OP(0x19, abs)
+HANDLE_DW_OP(0x1a, and)
+HANDLE_DW_OP(0x1b, div)
+HANDLE_DW_OP(0x1c, minus)
+HANDLE_DW_OP(0x1d, mod)
+HANDLE_DW_OP(0x1e, mul)
+HANDLE_DW_OP(0x1f, neg)
+HANDLE_DW_OP(0x20, not)
+HANDLE_DW_OP(0x21, or )
+HANDLE_DW_OP(0x22, plus)
+HANDLE_DW_OP(0x23, plus_uconst)
+HANDLE_DW_OP(0x24, shl)
+HANDLE_DW_OP(0x25, shr)
+HANDLE_DW_OP(0x26, shra)
+HANDLE_DW_OP(0x27, xor)
+HANDLE_DW_OP(0x2f, skip)
+HANDLE_DW_OP(0x28, bra)
+HANDLE_DW_OP(0x29, eq)
+HANDLE_DW_OP(0x2a, ge)
+HANDLE_DW_OP(0x2b, gt)
+HANDLE_DW_OP(0x2c, le)
+HANDLE_DW_OP(0x2d, lt)
+HANDLE_DW_OP(0x2e, ne)
+HANDLE_DW_OP(0x30, lit0)
+HANDLE_DW_OP(0x31, lit1)
+HANDLE_DW_OP(0x32, lit2)
+HANDLE_DW_OP(0x33, lit3)
+HANDLE_DW_OP(0x34, lit4)
+HANDLE_DW_OP(0x35, lit5)
+HANDLE_DW_OP(0x36, lit6)
+HANDLE_DW_OP(0x37, lit7)
+HANDLE_DW_OP(0x38, lit8)
+HANDLE_DW_OP(0x39, lit9)
+HANDLE_DW_OP(0x3a, lit10)
+HANDLE_DW_OP(0x3b, lit11)
+HANDLE_DW_OP(0x3c, lit12)
+HANDLE_DW_OP(0x3d, lit13)
+HANDLE_DW_OP(0x3e, lit14)
+HANDLE_DW_OP(0x3f, lit15)
+HANDLE_DW_OP(0x40, lit16)
+HANDLE_DW_OP(0x41, lit17)
+HANDLE_DW_OP(0x42, lit18)
+HANDLE_DW_OP(0x43, lit19)
+HANDLE_DW_OP(0x44, lit20)
+HANDLE_DW_OP(0x45, lit21)
+HANDLE_DW_OP(0x46, lit22)
+HANDLE_DW_OP(0x47, lit23)
+HANDLE_DW_OP(0x48, lit24)
+HANDLE_DW_OP(0x49, lit25)
+HANDLE_DW_OP(0x4a, lit26)
+HANDLE_DW_OP(0x4b, lit27)
+HANDLE_DW_OP(0x4c, lit28)
+HANDLE_DW_OP(0x4d, lit29)
+HANDLE_DW_OP(0x4e, lit30)
+HANDLE_DW_OP(0x4f, lit31)
+HANDLE_DW_OP(0x50, reg0)
+HANDLE_DW_OP(0x51, reg1)
+HANDLE_DW_OP(0x52, reg2)
+HANDLE_DW_OP(0x53, reg3)
+HANDLE_DW_OP(0x54, reg4)
+HANDLE_DW_OP(0x55, reg5)
+HANDLE_DW_OP(0x56, reg6)
+HANDLE_DW_OP(0x57, reg7)
+HANDLE_DW_OP(0x58, reg8)
+HANDLE_DW_OP(0x59, reg9)
+HANDLE_DW_OP(0x5a, reg10)
+HANDLE_DW_OP(0x5b, reg11)
+HANDLE_DW_OP(0x5c, reg12)
+HANDLE_DW_OP(0x5d, reg13)
+HANDLE_DW_OP(0x5e, reg14)
+HANDLE_DW_OP(0x5f, reg15)
+HANDLE_DW_OP(0x60, reg16)
+HANDLE_DW_OP(0x61, reg17)
+HANDLE_DW_OP(0x62, reg18)
+HANDLE_DW_OP(0x63, reg19)
+HANDLE_DW_OP(0x64, reg20)
+HANDLE_DW_OP(0x65, reg21)
+HANDLE_DW_OP(0x66, reg22)
+HANDLE_DW_OP(0x67, reg23)
+HANDLE_DW_OP(0x68, reg24)
+HANDLE_DW_OP(0x69, reg25)
+HANDLE_DW_OP(0x6a, reg26)
+HANDLE_DW_OP(0x6b, reg27)
+HANDLE_DW_OP(0x6c, reg28)
+HANDLE_DW_OP(0x6d, reg29)
+HANDLE_DW_OP(0x6e, reg30)
+HANDLE_DW_OP(0x6f, reg31)
+HANDLE_DW_OP(0x70, breg0)
+HANDLE_DW_OP(0x71, breg1)
+HANDLE_DW_OP(0x72, breg2)
+HANDLE_DW_OP(0x73, breg3)
+HANDLE_DW_OP(0x74, breg4)
+HANDLE_DW_OP(0x75, breg5)
+HANDLE_DW_OP(0x76, breg6)
+HANDLE_DW_OP(0x77, breg7)
+HANDLE_DW_OP(0x78, breg8)
+HANDLE_DW_OP(0x79, breg9)
+HANDLE_DW_OP(0x7a, breg10)
+HANDLE_DW_OP(0x7b, breg11)
+HANDLE_DW_OP(0x7c, breg12)
+HANDLE_DW_OP(0x7d, breg13)
+HANDLE_DW_OP(0x7e, breg14)
+HANDLE_DW_OP(0x7f, breg15)
+HANDLE_DW_OP(0x80, breg16)
+HANDLE_DW_OP(0x81, breg17)
+HANDLE_DW_OP(0x82, breg18)
+HANDLE_DW_OP(0x83, breg19)
+HANDLE_DW_OP(0x84, breg20)
+HANDLE_DW_OP(0x85, breg21)
+HANDLE_DW_OP(0x86, breg22)
+HANDLE_DW_OP(0x87, breg23)
+HANDLE_DW_OP(0x88, breg24)
+HANDLE_DW_OP(0x89, breg25)
+HANDLE_DW_OP(0x8a, breg26)
+HANDLE_DW_OP(0x8b, breg27)
+HANDLE_DW_OP(0x8c, breg28)
+HANDLE_DW_OP(0x8d, breg29)
+HANDLE_DW_OP(0x8e, breg30)
+HANDLE_DW_OP(0x8f, breg31)
+HANDLE_DW_OP(0x90, regx)
+HANDLE_DW_OP(0x91, fbreg)
+HANDLE_DW_OP(0x92, bregx)
+HANDLE_DW_OP(0x93, piece)
+HANDLE_DW_OP(0x94, deref_size)
+HANDLE_DW_OP(0x95, xderef_size)
+HANDLE_DW_OP(0x96, nop)
+HANDLE_DW_OP(0x97, push_object_address)
+HANDLE_DW_OP(0x98, call2)
+HANDLE_DW_OP(0x99, call4)
+HANDLE_DW_OP(0x9a, call_ref)
+HANDLE_DW_OP(0x9b, form_tls_address)
+HANDLE_DW_OP(0x9c, call_frame_cfa)
+HANDLE_DW_OP(0x9d, bit_piece)
+HANDLE_DW_OP(0x9e, implicit_value)
+HANDLE_DW_OP(0x9f, stack_value)
+
+// Extensions for GNU-style thread-local storage.
+HANDLE_DW_OP(0xe0, GNU_push_tls_address)
+
+// Extensions for Fission proposal.
+HANDLE_DW_OP(0xfb, GNU_addr_index)
+HANDLE_DW_OP(0xfc, GNU_const_index)
+
+// DWARF languages.
+HANDLE_DW_LANG(0x0001, C89)
+HANDLE_DW_LANG(0x0002, C)
+HANDLE_DW_LANG(0x0003, Ada83)
+HANDLE_DW_LANG(0x0004, C_plus_plus)
+HANDLE_DW_LANG(0x0005, Cobol74)
+HANDLE_DW_LANG(0x0006, Cobol85)
+HANDLE_DW_LANG(0x0007, Fortran77)
+HANDLE_DW_LANG(0x0008, Fortran90)
+HANDLE_DW_LANG(0x0009, Pascal83)
+HANDLE_DW_LANG(0x000a, Modula2)
+HANDLE_DW_LANG(0x000b, Java)
+HANDLE_DW_LANG(0x000c, C99)
+HANDLE_DW_LANG(0x000d, Ada95)
+HANDLE_DW_LANG(0x000e, Fortran95)
+HANDLE_DW_LANG(0x000f, PLI)
+HANDLE_DW_LANG(0x0010, ObjC)
+HANDLE_DW_LANG(0x0011, ObjC_plus_plus)
+HANDLE_DW_LANG(0x0012, UPC)
+HANDLE_DW_LANG(0x0013, D)
+
+// New in DWARF 5:
+HANDLE_DW_LANG(0x0014, Python)
+HANDLE_DW_LANG(0x0015, OpenCL)
+HANDLE_DW_LANG(0x0016, Go)
+HANDLE_DW_LANG(0x0017, Modula3)
+HANDLE_DW_LANG(0x0018, Haskell)
+HANDLE_DW_LANG(0x0019, C_plus_plus_03)
+HANDLE_DW_LANG(0x001a, C_plus_plus_11)
+HANDLE_DW_LANG(0x001b, OCaml)
+HANDLE_DW_LANG(0x001c, Rust)
+HANDLE_DW_LANG(0x001d, C11)
+HANDLE_DW_LANG(0x001e, Swift)
+HANDLE_DW_LANG(0x001f, Julia)
+HANDLE_DW_LANG(0x0020, Dylan)
+HANDLE_DW_LANG(0x0021, C_plus_plus_14)
+HANDLE_DW_LANG(0x0022, Fortran03)
+HANDLE_DW_LANG(0x0023, Fortran08)
+HANDLE_DW_LANG(0x8001, Mips_Assembler)
+HANDLE_DW_LANG(0xb000, BORLAND_Delphi)
+
+// DWARF attribute type encodings.
+HANDLE_DW_ATE(0x01, address)
+HANDLE_DW_ATE(0x02, boolean)
+HANDLE_DW_ATE(0x03, complex_float)
+HANDLE_DW_ATE(0x04, float)
+HANDLE_DW_ATE(0x05, signed)
+HANDLE_DW_ATE(0x06, signed_char)
+HANDLE_DW_ATE(0x07, unsigned)
+HANDLE_DW_ATE(0x08, unsigned_char)
+HANDLE_DW_ATE(0x09, imaginary_float)
+HANDLE_DW_ATE(0x0a, packed_decimal)
+HANDLE_DW_ATE(0x0b, numeric_string)
+HANDLE_DW_ATE(0x0c, edited)
+HANDLE_DW_ATE(0x0d, signed_fixed)
+HANDLE_DW_ATE(0x0e, unsigned_fixed)
+HANDLE_DW_ATE(0x0f, decimal_float)
+HANDLE_DW_ATE(0x10, UTF)
+
+// DWARF virtuality codes.
+HANDLE_DW_VIRTUALITY(0x00, none)
+HANDLE_DW_VIRTUALITY(0x01, virtual)
+HANDLE_DW_VIRTUALITY(0x02, pure_virtual)
+
+#undef HANDLE_DW_TAG
+#undef HANDLE_DW_OP
+#undef HANDLE_DW_LANG
+#undef HANDLE_DW_ATE
+#undef HANDLE_DW_VIRTUALITY
--- /dev/null
+//===-- llvm/Support/Dwarf.h ---Dwarf Constants------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// \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
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/Compiler.h"
+#include "llvm/Support/DataTypes.h"
+
+namespace llvm {
+
+namespace dwarf {
+
+//===----------------------------------------------------------------------===//
+// 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 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.
+};
+
+// 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.
+};
+
+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_name = 0x03,
+ DW_AT_ordering = 0x09,
+ DW_AT_byte_size = 0x0b,
+ DW_AT_bit_offset = 0x0c,
+ DW_AT_bit_size = 0x0d,
+ DW_AT_stmt_list = 0x10,
+ DW_AT_low_pc = 0x11,
+ DW_AT_high_pc = 0x12,
+ DW_AT_language = 0x13,
+ DW_AT_discr = 0x15,
+ DW_AT_discr_value = 0x16,
+ DW_AT_visibility = 0x17,
+ DW_AT_import = 0x18,
+ DW_AT_string_length = 0x19,
+ DW_AT_common_reference = 0x1a,
+ DW_AT_comp_dir = 0x1b,
+ DW_AT_const_value = 0x1c,
+ DW_AT_containing_type = 0x1d,
+ DW_AT_default_value = 0x1e,
+ DW_AT_inline = 0x20,
+ DW_AT_is_optional = 0x21,
+ DW_AT_lower_bound = 0x22,
+ DW_AT_producer = 0x25,
+ DW_AT_prototyped = 0x27,
+ DW_AT_return_addr = 0x2a,
+ DW_AT_start_scope = 0x2c,
+ DW_AT_bit_stride = 0x2e,
+ DW_AT_upper_bound = 0x2f,
+ DW_AT_abstract_origin = 0x31,
+ DW_AT_accessibility = 0x32,
+ DW_AT_address_class = 0x33,
+ DW_AT_artificial = 0x34,
+ DW_AT_base_types = 0x35,
+ DW_AT_calling_convention = 0x36,
+ DW_AT_count = 0x37,
+ DW_AT_data_member_location = 0x38,
+ DW_AT_decl_column = 0x39,
+ DW_AT_decl_file = 0x3a,
+ DW_AT_decl_line = 0x3b,
+ DW_AT_declaration = 0x3c,
+ DW_AT_discr_list = 0x3d,
+ DW_AT_encoding = 0x3e,
+ DW_AT_external = 0x3f,
+ DW_AT_frame_base = 0x40,
+ DW_AT_friend = 0x41,
+ DW_AT_identifier_case = 0x42,
+ DW_AT_macro_info = 0x43,
+ DW_AT_namelist_item = 0x44,
+ DW_AT_priority = 0x45,
+ DW_AT_segment = 0x46,
+ DW_AT_specification = 0x47,
+ DW_AT_static_link = 0x48,
+ DW_AT_type = 0x49,
+ DW_AT_use_location = 0x4a,
+ DW_AT_variable_parameter = 0x4b,
+ DW_AT_virtuality = 0x4c,
+ DW_AT_vtable_elem_location = 0x4d,
+ DW_AT_allocated = 0x4e,
+ DW_AT_associated = 0x4f,
+ DW_AT_data_location = 0x50,
+ DW_AT_byte_stride = 0x51,
+ DW_AT_entry_pc = 0x52,
+ DW_AT_use_UTF8 = 0x53,
+ DW_AT_extension = 0x54,
+ DW_AT_ranges = 0x55,
+ DW_AT_trampoline = 0x56,
+ DW_AT_call_column = 0x57,
+ DW_AT_call_file = 0x58,
+ DW_AT_call_line = 0x59,
+ DW_AT_description = 0x5a,
+ DW_AT_binary_scale = 0x5b,
+ DW_AT_decimal_scale = 0x5c,
+ DW_AT_small = 0x5d,
+ DW_AT_decimal_sign = 0x5e,
+ DW_AT_digit_count = 0x5f,
+ DW_AT_picture_string = 0x60,
+ DW_AT_mutable = 0x61,
+ DW_AT_threads_scaled = 0x62,
+ DW_AT_explicit = 0x63,
+ DW_AT_object_pointer = 0x64,
+ DW_AT_endianity = 0x65,
+ 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_macros = 0x79,
+
+ 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_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_GNU_template_name = 0x2110,
+
+ DW_AT_GNU_odr_signature = 0x210f,
+ DW_AT_GNU_macros = 0x2119,
+
+ // 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_flags = 0x3fe2,
+ DW_AT_APPLE_isa = 0x3fe3,
+ 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_block4 = 0x04,
+ DW_FORM_data2 = 0x05,
+ DW_FORM_data4 = 0x06,
+ DW_FORM_data8 = 0x07,
+ DW_FORM_string = 0x08,
+ DW_FORM_block = 0x09,
+ DW_FORM_block1 = 0x0a,
+ DW_FORM_data1 = 0x0b,
+ DW_FORM_flag = 0x0c,
+ DW_FORM_sdata = 0x0d,
+ DW_FORM_strp = 0x0e,
+ DW_FORM_udata = 0x0f,
+ DW_FORM_ref_addr = 0x10,
+ DW_FORM_ref1 = 0x11,
+ DW_FORM_ref2 = 0x12,
+ DW_FORM_ref4 = 0x13,
+ 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
+};
+
+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
+};
+
+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
+};
+
+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
+};
+
+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
+};
+
+enum AccessAttribute {
+ // Accessibility codes
+ DW_ACCESS_public = 0x01,
+ DW_ACCESS_protected = 0x02,
+ DW_ACCESS_private = 0x03
+};
+
+enum VisibilityAttribute {
+ // Visibility codes
+ DW_VIS_local = 0x01,
+ DW_VIS_exported = 0x02,
+ 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
+};
+
+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
+};
+
+enum CallingConvention {
+ // Calling convention codes
+ DW_CC_normal = 0x01,
+ DW_CC_program = 0x02,
+ DW_CC_nocall = 0x03,
+ DW_CC_lo_user = 0x40,
+ 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
+};
+
+enum ArrayDimensionOrdering {
+ // Array ordering
+ DW_ORD_row_major = 0x00,
+ DW_ORD_col_major = 0x01
+};
+
+enum DiscriminantList {
+ // Discriminant descriptor values
+ DW_DSC_label = 0x00,
+ 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_set_file = 0x04,
+ DW_LNS_set_column = 0x05,
+ DW_LNS_negate_stmt = 0x06,
+ DW_LNS_set_basic_block = 0x07,
+ DW_LNS_const_add_pc = 0x08,
+ DW_LNS_fixed_advance_pc = 0x09,
+ DW_LNS_set_prologue_end = 0x0a,
+ DW_LNS_set_epilogue_begin = 0x0b,
+ 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
+};
+
+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
+};
+
+enum MacroEntryType {
+ // Macro Information Entry Type Encodings
+ DW_MACRO_define = 0x01,
+ DW_MACRO_undef = 0x02,
+ DW_MACRO_start_file = 0x03,
+ DW_MACRO_end_file = 0x04,
+ DW_MACRO_define_indirect = 0x05,
+ DW_MACRO_undef_indirect = 0x06,
+ DW_MACRO_transparent_include = 0x07,
+ DW_MACRO_define_indirect_sup = 0x08,
+ DW_MACRO_undef_indirect_sup = 0x09,
+ DW_MACRO_transparent_include_sup = 0x0a,
+ DW_MACRO_define_indirectx = 0x0b,
+ DW_MACRO_undef_indirectx = 0x0c,
+ DW_MACRO_lo_user = 0xe0,
+ DW_MACRO_hi_user = 0xff
+};
+
+enum CallFrameInfo {
+ // Call frame instruction encodings
+ DW_CFA_extended = 0x00,
+ DW_CFA_nop = 0x00,
+ DW_CFA_advance_loc = 0x40,
+ DW_CFA_offset = 0x80,
+ DW_CFA_restore = 0xc0,
+ DW_CFA_set_loc = 0x01,
+ DW_CFA_advance_loc1 = 0x02,
+ DW_CFA_advance_loc2 = 0x03,
+ DW_CFA_advance_loc4 = 0x04,
+ DW_CFA_offset_extended = 0x05,
+ DW_CFA_restore_extended = 0x06,
+ DW_CFA_undefined = 0x07,
+ DW_CFA_same_value = 0x08,
+ DW_CFA_register = 0x09,
+ DW_CFA_remember_state = 0x0a,
+ DW_CFA_restore_state = 0x0b,
+ DW_CFA_def_cfa = 0x0c,
+ DW_CFA_def_cfa_register = 0x0d,
+ DW_CFA_def_cfa_offset = 0x0e,
+ DW_CFA_def_cfa_expression = 0x0f,
+ DW_CFA_expression = 0x10,
+ DW_CFA_offset_extended_sf = 0x11,
+ DW_CFA_def_cfa_sf = 0x12,
+ DW_CFA_def_cfa_offset_sf = 0x13,
+ 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
+};
+
+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_uleb128 = 0x01,
+ DW_EH_PE_udata2 = 0x02,
+ DW_EH_PE_udata4 = 0x03,
+ DW_EH_PE_udata8 = 0x04,
+ DW_EH_PE_sleb128 = 0x09,
+ DW_EH_PE_sdata2 = 0x0A,
+ DW_EH_PE_sdata4 = 0x0B,
+ DW_EH_PE_sdata8 = 0x0C,
+ DW_EH_PE_signed = 0x08,
+ DW_EH_PE_pcrel = 0x10,
+ DW_EH_PE_textrel = 0x20,
+ DW_EH_PE_datarel = 0x30,
+ DW_EH_PE_funcrel = 0x40,
+ DW_EH_PE_aligned = 0x50,
+ DW_EH_PE_indirect = 0x80
+};
+
+// 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
+};
+
+/// 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
+};
+
+// 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
+};
+
+// 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
+};
+
+enum GDBIndexEntryLinkage {
+ GIEL_EXTERNAL,
+ GIEL_STATIC
+};
+
+/// \defgroup DwarfConstantsDumping Dwarf constants dumping functions
+///
+/// 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);
+const char *LanguageString(unsigned Language);
+const char *CaseString(unsigned Case);
+const char *ConventionString(unsigned Convention);
+const char *InlineCodeString(unsigned Code);
+const char *ArrayOrderString(unsigned Order);
+const char *DiscriminantString(unsigned Discriminant);
+const char *LNStandardString(unsigned Standard);
+const char *LNExtendedString(unsigned Encoding);
+const char *MacinfoString(unsigned Encoding);
+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.
+/// \li \a getMacinfo() returns \a DW_MACINFO_invalid on invalid input.
+///
+/// @{
+unsigned getTag(StringRef TagString);
+unsigned getOperationEncoding(StringRef OperationEncodingString);
+unsigned getVirtuality(StringRef VirtualityString);
+unsigned getLanguage(StringRef LanguageString);
+unsigned getAttributeEncoding(StringRef EncodingString);
+unsigned getMacinfo(StringRef MacinfoString);
+/// @}
+
+/// \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
+
+} // End of namespace llvm
+
+#endif
--- /dev/null
+//===-- llvm/Support/ELF.h - ELF constants and data structures --*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This header contains common, non-processor-specific data structures and
+// constants for the ELF file format.
+//
+// The details of the ELF32 bits in this file are largely based on the Tool
+// Interface Standard (TIS) Executable and Linking Format (ELF) Specification
+// Version 1.2, May 1995. The ELF64 stuff is based on ELF-64 Object File Format
+// Version 1.5, Draft 2, May 1998 as well as OpenBSD header files.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_ELF_H
+#define LLVM_SUPPORT_ELF_H
+
+#include "llvm/Support/Compiler.h"
+#include "llvm/Support/DataTypes.h"
+#include <cstring>
+
+namespace llvm {
+
+namespace ELF {
+
+typedef uint32_t Elf32_Addr; // Program address
+typedef uint32_t Elf32_Off; // File offset
+typedef uint16_t Elf32_Half;
+typedef uint32_t Elf32_Word;
+typedef int32_t Elf32_Sword;
+
+typedef uint64_t Elf64_Addr;
+typedef uint64_t Elf64_Off;
+typedef uint16_t Elf64_Half;
+typedef uint32_t Elf64_Word;
+typedef int32_t Elf64_Sword;
+typedef uint64_t Elf64_Xword;
+typedef int64_t Elf64_Sxword;
+
+// Object file magic string.
+static const char ElfMagic[] = { 0x7f, 'E', 'L', 'F', '\0' };
+
+// e_ident size and indices.
+enum {
+ EI_MAG0 = 0, // File identification index.
+ EI_MAG1 = 1, // File identification index.
+ EI_MAG2 = 2, // File identification index.
+ EI_MAG3 = 3, // File identification index.
+ EI_CLASS = 4, // File class.
+ EI_DATA = 5, // Data encoding.
+ EI_VERSION = 6, // File version.
+ EI_OSABI = 7, // OS/ABI identification.
+ EI_ABIVERSION = 8, // ABI version.
+ EI_PAD = 9, // Start of padding bytes.
+ EI_NIDENT = 16 // Number of bytes in e_ident.
+};
+
+struct Elf32_Ehdr {
+ unsigned char e_ident[EI_NIDENT]; // ELF Identification bytes
+ Elf32_Half e_type; // Type of file (see ET_* below)
+ Elf32_Half e_machine; // Required architecture for this file (see EM_*)
+ Elf32_Word e_version; // Must be equal to 1
+ Elf32_Addr e_entry; // Address to jump to in order to start program
+ Elf32_Off e_phoff; // Program header table's file offset, in bytes
+ Elf32_Off e_shoff; // Section header table's file offset, in bytes
+ Elf32_Word e_flags; // Processor-specific flags
+ Elf32_Half e_ehsize; // Size of ELF header, in bytes
+ Elf32_Half e_phentsize; // Size of an entry in the program header table
+ Elf32_Half e_phnum; // Number of entries in the program header table
+ Elf32_Half e_shentsize; // Size of an entry in the section header table
+ Elf32_Half e_shnum; // Number of entries in the section header table
+ Elf32_Half e_shstrndx; // Sect hdr table index of sect name string table
+ bool checkMagic() const {
+ return (memcmp(e_ident, ElfMagic, strlen(ElfMagic))) == 0;
+ }
+ unsigned char getFileClass() const { return e_ident[EI_CLASS]; }
+ unsigned char getDataEncoding() const { return e_ident[EI_DATA]; }
+};
+
+// 64-bit ELF header. Fields are the same as for ELF32, but with different
+// types (see above).
+struct Elf64_Ehdr {
+ unsigned char e_ident[EI_NIDENT];
+ Elf64_Half e_type;
+ Elf64_Half e_machine;
+ Elf64_Word e_version;
+ Elf64_Addr e_entry;
+ Elf64_Off e_phoff;
+ Elf64_Off e_shoff;
+ Elf64_Word e_flags;
+ Elf64_Half e_ehsize;
+ Elf64_Half e_phentsize;
+ Elf64_Half e_phnum;
+ Elf64_Half e_shentsize;
+ Elf64_Half e_shnum;
+ Elf64_Half e_shstrndx;
+ bool checkMagic() const {
+ return (memcmp(e_ident, ElfMagic, strlen(ElfMagic))) == 0;
+ }
+ unsigned char getFileClass() const { return e_ident[EI_CLASS]; }
+ unsigned char getDataEncoding() const { return e_ident[EI_DATA]; }
+};
+
+// File types
+enum {
+ ET_NONE = 0, // No file type
+ ET_REL = 1, // Relocatable file
+ ET_EXEC = 2, // Executable file
+ ET_DYN = 3, // Shared object file
+ ET_CORE = 4, // Core file
+ ET_LOPROC = 0xff00, // Beginning of processor-specific codes
+ ET_HIPROC = 0xffff // Processor-specific
+};
+
+// Versioning
+enum {
+ EV_NONE = 0,
+ EV_CURRENT = 1
+};
+
+// Machine architectures
+// See current registered ELF machine architectures at:
+// http://www.uxsglobal.com/developers/gabi/latest/ch4.eheader.html
+enum {
+ EM_NONE = 0, // No machine
+ EM_M32 = 1, // AT&T WE 32100
+ EM_SPARC = 2, // SPARC
+ EM_386 = 3, // Intel 386
+ EM_68K = 4, // Motorola 68000
+ EM_88K = 5, // Motorola 88000
+ EM_IAMCU = 6, // Intel MCU
+ EM_860 = 7, // Intel 80860
+ EM_MIPS = 8, // MIPS R3000
+ EM_S370 = 9, // IBM System/370
+ EM_MIPS_RS3_LE = 10, // MIPS RS3000 Little-endian
+ EM_PARISC = 15, // Hewlett-Packard PA-RISC
+ EM_VPP500 = 17, // Fujitsu VPP500
+ EM_SPARC32PLUS = 18, // Enhanced instruction set SPARC
+ EM_960 = 19, // Intel 80960
+ EM_PPC = 20, // PowerPC
+ EM_PPC64 = 21, // PowerPC64
+ EM_S390 = 22, // IBM System/390
+ EM_SPU = 23, // IBM SPU/SPC
+ EM_V800 = 36, // NEC V800
+ EM_FR20 = 37, // Fujitsu FR20
+ EM_RH32 = 38, // TRW RH-32
+ EM_RCE = 39, // Motorola RCE
+ EM_ARM = 40, // ARM
+ EM_ALPHA = 41, // DEC Alpha
+ EM_SH = 42, // Hitachi SH
+ EM_SPARCV9 = 43, // SPARC V9
+ EM_TRICORE = 44, // Siemens TriCore
+ EM_ARC = 45, // Argonaut RISC Core
+ EM_H8_300 = 46, // Hitachi H8/300
+ EM_H8_300H = 47, // Hitachi H8/300H
+ EM_H8S = 48, // Hitachi H8S
+ EM_H8_500 = 49, // Hitachi H8/500
+ EM_IA_64 = 50, // Intel IA-64 processor architecture
+ EM_MIPS_X = 51, // Stanford MIPS-X
+ EM_COLDFIRE = 52, // Motorola ColdFire
+ EM_68HC12 = 53, // Motorola M68HC12
+ EM_MMA = 54, // Fujitsu MMA Multimedia Accelerator
+ EM_PCP = 55, // Siemens PCP
+ EM_NCPU = 56, // Sony nCPU embedded RISC processor
+ EM_NDR1 = 57, // Denso NDR1 microprocessor
+ EM_STARCORE = 58, // Motorola Star*Core processor
+ EM_ME16 = 59, // Toyota ME16 processor
+ EM_ST100 = 60, // STMicroelectronics ST100 processor
+ EM_TINYJ = 61, // Advanced Logic Corp. TinyJ embedded processor family
+ EM_X86_64 = 62, // AMD x86-64 architecture
+ EM_PDSP = 63, // Sony DSP Processor
+ EM_PDP10 = 64, // Digital Equipment Corp. PDP-10
+ EM_PDP11 = 65, // Digital Equipment Corp. PDP-11
+ EM_FX66 = 66, // Siemens FX66 microcontroller
+ EM_ST9PLUS = 67, // STMicroelectronics ST9+ 8/16 bit microcontroller
+ EM_ST7 = 68, // STMicroelectronics ST7 8-bit microcontroller
+ EM_68HC16 = 69, // Motorola MC68HC16 Microcontroller
+ EM_68HC11 = 70, // Motorola MC68HC11 Microcontroller
+ EM_68HC08 = 71, // Motorola MC68HC08 Microcontroller
+ EM_68HC05 = 72, // Motorola MC68HC05 Microcontroller
+ EM_SVX = 73, // Silicon Graphics SVx
+ EM_ST19 = 74, // STMicroelectronics ST19 8-bit microcontroller
+ EM_VAX = 75, // Digital VAX
+ EM_CRIS = 76, // Axis Communications 32-bit embedded processor
+ EM_JAVELIN = 77, // Infineon Technologies 32-bit embedded processor
+ EM_FIREPATH = 78, // Element 14 64-bit DSP Processor
+ EM_ZSP = 79, // LSI Logic 16-bit DSP Processor
+ EM_MMIX = 80, // Donald Knuth's educational 64-bit processor
+ EM_HUANY = 81, // Harvard University machine-independent object files
+ EM_PRISM = 82, // SiTera Prism
+ EM_AVR = 83, // Atmel AVR 8-bit microcontroller
+ EM_FR30 = 84, // Fujitsu FR30
+ EM_D10V = 85, // Mitsubishi D10V
+ EM_D30V = 86, // Mitsubishi D30V
+ EM_V850 = 87, // NEC v850
+ EM_M32R = 88, // Mitsubishi M32R
+ EM_MN10300 = 89, // Matsushita MN10300
+ EM_MN10200 = 90, // Matsushita MN10200
+ EM_PJ = 91, // picoJava
+ EM_OPENRISC = 92, // OpenRISC 32-bit embedded processor
+ EM_ARC_COMPACT = 93, // ARC International ARCompact processor (old
+ // spelling/synonym: EM_ARC_A5)
+ EM_XTENSA = 94, // Tensilica Xtensa Architecture
+ EM_VIDEOCORE = 95, // Alphamosaic VideoCore processor
+ EM_TMM_GPP = 96, // Thompson Multimedia General Purpose Processor
+ EM_NS32K = 97, // National Semiconductor 32000 series
+ EM_TPC = 98, // Tenor Network TPC processor
+ EM_SNP1K = 99, // Trebia SNP 1000 processor
+ EM_ST200 = 100, // STMicroelectronics (www.st.com) ST200
+ EM_IP2K = 101, // Ubicom IP2xxx microcontroller family
+ EM_MAX = 102, // MAX Processor
+ EM_CR = 103, // National Semiconductor CompactRISC microprocessor
+ EM_F2MC16 = 104, // Fujitsu F2MC16
+ EM_MSP430 = 105, // Texas Instruments embedded microcontroller msp430
+ EM_BLACKFIN = 106, // Analog Devices Blackfin (DSP) processor
+ EM_SE_C33 = 107, // S1C33 Family of Seiko Epson processors
+ EM_SEP = 108, // Sharp embedded microprocessor
+ EM_ARCA = 109, // Arca RISC Microprocessor
+ EM_UNICORE = 110, // Microprocessor series from PKU-Unity Ltd. and MPRC
+ // of Peking University
+ EM_EXCESS = 111, // eXcess: 16/32/64-bit configurable embedded CPU
+ EM_DXP = 112, // Icera Semiconductor Inc. Deep Execution Processor
+ EM_ALTERA_NIOS2 = 113, // Altera Nios II soft-core processor
+ EM_CRX = 114, // National Semiconductor CompactRISC CRX
+ EM_XGATE = 115, // Motorola XGATE embedded processor
+ EM_C166 = 116, // Infineon C16x/XC16x processor
+ EM_M16C = 117, // Renesas M16C series microprocessors
+ EM_DSPIC30F = 118, // Microchip Technology dsPIC30F Digital Signal
+ // Controller
+ EM_CE = 119, // Freescale Communication Engine RISC core
+ EM_M32C = 120, // Renesas M32C series microprocessors
+ EM_TSK3000 = 131, // Altium TSK3000 core
+ EM_RS08 = 132, // Freescale RS08 embedded processor
+ EM_SHARC = 133, // Analog Devices SHARC family of 32-bit DSP
+ // processors
+ EM_ECOG2 = 134, // Cyan Technology eCOG2 microprocessor
+ EM_SCORE7 = 135, // Sunplus S+core7 RISC processor
+ EM_DSP24 = 136, // New Japan Radio (NJR) 24-bit DSP Processor
+ EM_VIDEOCORE3 = 137, // Broadcom VideoCore III processor
+ EM_LATTICEMICO32 = 138, // RISC processor for Lattice FPGA architecture
+ EM_SE_C17 = 139, // Seiko Epson C17 family
+ EM_TI_C6000 = 140, // The Texas Instruments TMS320C6000 DSP family
+ EM_TI_C2000 = 141, // The Texas Instruments TMS320C2000 DSP family
+ EM_TI_C5500 = 142, // The Texas Instruments TMS320C55x DSP family
+ EM_MMDSP_PLUS = 160, // STMicroelectronics 64bit VLIW Data Signal Processor
+ EM_CYPRESS_M8C = 161, // Cypress M8C microprocessor
+ EM_R32C = 162, // Renesas R32C series microprocessors
+ EM_TRIMEDIA = 163, // NXP Semiconductors TriMedia architecture family
+ EM_HEXAGON = 164, // Qualcomm Hexagon processor
+ EM_8051 = 165, // Intel 8051 and variants
+ EM_STXP7X = 166, // STMicroelectronics STxP7x family of configurable
+ // and extensible RISC processors
+ EM_NDS32 = 167, // Andes Technology compact code size embedded RISC
+ // processor family
+ EM_ECOG1 = 168, // Cyan Technology eCOG1X family
+ EM_ECOG1X = 168, // Cyan Technology eCOG1X family
+ EM_MAXQ30 = 169, // Dallas Semiconductor MAXQ30 Core Micro-controllers
+ EM_XIMO16 = 170, // New Japan Radio (NJR) 16-bit DSP Processor
+ EM_MANIK = 171, // M2000 Reconfigurable RISC Microprocessor
+ EM_CRAYNV2 = 172, // Cray Inc. NV2 vector architecture
+ EM_RX = 173, // Renesas RX family
+ EM_METAG = 174, // Imagination Technologies META processor
+ // architecture
+ EM_MCST_ELBRUS = 175, // MCST Elbrus general purpose hardware architecture
+ EM_ECOG16 = 176, // Cyan Technology eCOG16 family
+ EM_CR16 = 177, // National Semiconductor CompactRISC CR16 16-bit
+ // microprocessor
+ EM_ETPU = 178, // Freescale Extended Time Processing Unit
+ EM_SLE9X = 179, // Infineon Technologies SLE9X core
+ EM_L10M = 180, // Intel L10M
+ EM_K10M = 181, // Intel K10M
+ EM_AARCH64 = 183, // ARM AArch64
+ EM_AVR32 = 185, // Atmel Corporation 32-bit microprocessor family
+ EM_STM8 = 186, // STMicroeletronics STM8 8-bit microcontroller
+ EM_TILE64 = 187, // Tilera TILE64 multicore architecture family
+ EM_TILEPRO = 188, // Tilera TILEPro multicore architecture family
+ EM_CUDA = 190, // NVIDIA CUDA architecture
+ EM_TILEGX = 191, // Tilera TILE-Gx multicore architecture family
+ EM_CLOUDSHIELD = 192, // CloudShield architecture family
+ EM_COREA_1ST = 193, // KIPO-KAIST Core-A 1st generation processor family
+ EM_COREA_2ND = 194, // KIPO-KAIST Core-A 2nd generation processor family
+ EM_ARC_COMPACT2 = 195, // Synopsys ARCompact V2
+ EM_OPEN8 = 196, // Open8 8-bit RISC soft processor core
+ EM_RL78 = 197, // Renesas RL78 family
+ EM_VIDEOCORE5 = 198, // Broadcom VideoCore V processor
+ EM_78KOR = 199, // Renesas 78KOR family
+ EM_56800EX = 200, // Freescale 56800EX Digital Signal Controller (DSC)
+ EM_BA1 = 201, // Beyond BA1 CPU architecture
+ EM_BA2 = 202, // Beyond BA2 CPU architecture
+ EM_XCORE = 203, // XMOS xCORE processor family
+ EM_MCHP_PIC = 204, // Microchip 8-bit PIC(r) family
+ EM_INTEL205 = 205, // Reserved by Intel
+ EM_INTEL206 = 206, // Reserved by Intel
+ EM_INTEL207 = 207, // Reserved by Intel
+ EM_INTEL208 = 208, // Reserved by Intel
+ EM_INTEL209 = 209, // Reserved by Intel
+ EM_KM32 = 210, // KM211 KM32 32-bit processor
+ EM_KMX32 = 211, // KM211 KMX32 32-bit processor
+ EM_KMX16 = 212, // KM211 KMX16 16-bit processor
+ EM_KMX8 = 213, // KM211 KMX8 8-bit processor
+ EM_KVARC = 214, // KM211 KVARC processor
+ EM_CDP = 215, // Paneve CDP architecture family
+ EM_COGE = 216, // Cognitive Smart Memory Processor
+ EM_COOL = 217, // iCelero CoolEngine
+ EM_NORC = 218, // Nanoradio Optimized RISC
+ EM_CSR_KALIMBA = 219, // CSR Kalimba architecture family
+ EM_AMDGPU = 224, // AMD GPU architecture
+
+ // A request has been made to the maintainer of the official registry for
+ // such numbers for an official value for WebAssembly. As soon as one is
+ // allocated, this enum will be updated to use it.
+ EM_WEBASSEMBLY = 0x4157, // WebAssembly architecture
+};
+
+// Object file classes.
+enum {
+ ELFCLASSNONE = 0,
+ ELFCLASS32 = 1, // 32-bit object file
+ ELFCLASS64 = 2 // 64-bit object file
+};
+
+// Object file byte orderings.
+enum {
+ ELFDATANONE = 0, // Invalid data encoding.
+ ELFDATA2LSB = 1, // Little-endian object file
+ ELFDATA2MSB = 2 // Big-endian object file
+};
+
+// OS ABI identification.
+enum {
+ ELFOSABI_NONE = 0, // UNIX System V ABI
+ ELFOSABI_HPUX = 1, // HP-UX operating system
+ ELFOSABI_NETBSD = 2, // NetBSD
+ ELFOSABI_GNU = 3, // GNU/Linux
+ ELFOSABI_LINUX = 3, // Historical alias for ELFOSABI_GNU.
+ ELFOSABI_HURD = 4, // GNU/Hurd
+ ELFOSABI_SOLARIS = 6, // Solaris
+ ELFOSABI_AIX = 7, // AIX
+ ELFOSABI_IRIX = 8, // IRIX
+ ELFOSABI_FREEBSD = 9, // FreeBSD
+ ELFOSABI_TRU64 = 10, // TRU64 UNIX
+ ELFOSABI_MODESTO = 11, // Novell Modesto
+ ELFOSABI_OPENBSD = 12, // OpenBSD
+ ELFOSABI_OPENVMS = 13, // OpenVMS
+ ELFOSABI_NSK = 14, // Hewlett-Packard Non-Stop Kernel
+ ELFOSABI_AROS = 15, // AROS
+ ELFOSABI_FENIXOS = 16, // FenixOS
+ ELFOSABI_CLOUDABI = 17, // Nuxi CloudABI
+ ELFOSABI_C6000_ELFABI = 64, // Bare-metal TMS320C6000
+ ELFOSABI_AMDGPU_HSA = 64, // AMD HSA runtime
+ ELFOSABI_C6000_LINUX = 65, // Linux TMS320C6000
+ ELFOSABI_ARM = 97, // ARM
+ ELFOSABI_STANDALONE = 255 // Standalone (embedded) application
+};
+
+#define ELF_RELOC(name, value) name = value,
+
+// X86_64 relocations.
+enum {
+#include "ELFRelocs/x86_64.def"
+};
+
+// i386 relocations.
+enum {
+#include "ELFRelocs/i386.def"
+};
+
+// ELF Relocation types for PPC32
+enum {
+#include "ELFRelocs/PowerPC.def"
+};
+
+// Specific e_flags for PPC64
+enum {
+ // e_flags bits specifying ABI:
+ // 1 for original ABI using function descriptors,
+ // 2 for revised ABI without function descriptors,
+ // 0 for unspecified or not using any features affected by the differences.
+ EF_PPC64_ABI = 3
+};
+
+// Special values for the st_other field in the symbol table entry for PPC64.
+enum {
+ STO_PPC64_LOCAL_BIT = 5,
+ STO_PPC64_LOCAL_MASK = (7 << STO_PPC64_LOCAL_BIT)
+};
+static inline int64_t
+decodePPC64LocalEntryOffset(unsigned Other) {
+ unsigned Val = (Other & STO_PPC64_LOCAL_MASK) >> STO_PPC64_LOCAL_BIT;
+ return ((1 << Val) >> 2) << 2;
+}
+static inline unsigned
+encodePPC64LocalEntryOffset(int64_t Offset) {
+ unsigned Val = (Offset >= 4 * 4
+ ? (Offset >= 8 * 4
+ ? (Offset >= 16 * 4 ? 6 : 5)
+ : 4)
+ : (Offset >= 2 * 4
+ ? 3
+ : (Offset >= 1 * 4 ? 2 : 0)));
+ return Val << STO_PPC64_LOCAL_BIT;
+}
+
+// ELF Relocation types for PPC64
+enum {
+#include "ELFRelocs/PowerPC64.def"
+};
+
+// ELF Relocation types for AArch64
+enum {
+#include "ELFRelocs/AArch64.def"
+};
+
+// ARM Specific e_flags
+enum : unsigned {
+ EF_ARM_SOFT_FLOAT = 0x00000200U,
+ EF_ARM_VFP_FLOAT = 0x00000400U,
+ EF_ARM_EABI_UNKNOWN = 0x00000000U,
+ EF_ARM_EABI_VER1 = 0x01000000U,
+ EF_ARM_EABI_VER2 = 0x02000000U,
+ EF_ARM_EABI_VER3 = 0x03000000U,
+ EF_ARM_EABI_VER4 = 0x04000000U,
+ EF_ARM_EABI_VER5 = 0x05000000U,
+ EF_ARM_EABIMASK = 0xFF000000U
+};
+
+// ELF Relocation types for ARM
+enum {
+#include "ELFRelocs/ARM.def"
+};
+
+// AVR specific e_flags
+enum : unsigned {
+ EF_AVR_ARCH_AVR1 = 1,
+ EF_AVR_ARCH_AVR2 = 2,
+ EF_AVR_ARCH_AVR25 = 25,
+ EF_AVR_ARCH_AVR3 = 3,
+ EF_AVR_ARCH_AVR31 = 31,
+ EF_AVR_ARCH_AVR35 = 35,
+ EF_AVR_ARCH_AVR4 = 4,
+ EF_AVR_ARCH_AVR5 = 5,
+ EF_AVR_ARCH_AVR51 = 51,
+ EF_AVR_ARCH_AVR6 = 6,
+ EF_AVR_ARCH_AVRTINY = 100,
+ EF_AVR_ARCH_XMEGA1 = 101,
+ EF_AVR_ARCH_XMEGA2 = 102,
+ EF_AVR_ARCH_XMEGA3 = 103,
+ EF_AVR_ARCH_XMEGA4 = 104,
+ EF_AVR_ARCH_XMEGA5 = 105,
+ EF_AVR_ARCH_XMEGA6 = 106,
+ EF_AVR_ARCH_XMEGA7 = 107
+};
+
+// ELF Relocation types for AVR
+enum {
+#include "ELFRelocs/AVR.def"
+};
+
+// Mips Specific e_flags
+enum : unsigned {
+ EF_MIPS_NOREORDER = 0x00000001, // Don't reorder instructions
+ EF_MIPS_PIC = 0x00000002, // Position independent code
+ EF_MIPS_CPIC = 0x00000004, // Call object with Position independent code
+ EF_MIPS_ABI2 = 0x00000020, // File uses N32 ABI
+ EF_MIPS_32BITMODE = 0x00000100, // Code compiled for a 64-bit machine
+ // in 32-bit mode
+ EF_MIPS_FP64 = 0x00000200, // Code compiled for a 32-bit machine
+ // but uses 64-bit FP registers
+ EF_MIPS_NAN2008 = 0x00000400, // Uses IEE 754-2008 NaN encoding
+
+ // ABI flags
+ EF_MIPS_ABI_O32 = 0x00001000, // This file follows the first MIPS 32 bit ABI
+ EF_MIPS_ABI_O64 = 0x00002000, // O32 ABI extended for 64-bit architecture.
+ EF_MIPS_ABI_EABI32 = 0x00003000, // EABI in 32 bit mode.
+ EF_MIPS_ABI_EABI64 = 0x00004000, // EABI in 64 bit mode.
+ EF_MIPS_ABI = 0x0000f000, // Mask for selecting EF_MIPS_ABI_ variant.
+
+ // MIPS machine variant
+ EF_MIPS_MACH_3900 = 0x00810000, // Toshiba R3900
+ EF_MIPS_MACH_4010 = 0x00820000, // LSI R4010
+ EF_MIPS_MACH_4100 = 0x00830000, // NEC VR4100
+ EF_MIPS_MACH_4650 = 0x00850000, // MIPS R4650
+ EF_MIPS_MACH_4120 = 0x00870000, // NEC VR4120
+ EF_MIPS_MACH_4111 = 0x00880000, // NEC VR4111/VR4181
+ EF_MIPS_MACH_SB1 = 0x008a0000, // Broadcom SB-1
+ EF_MIPS_MACH_OCTEON = 0x008b0000, // Cavium Networks Octeon
+ EF_MIPS_MACH_XLR = 0x008c0000, // RMI Xlr
+ EF_MIPS_MACH_OCTEON2 = 0x008d0000, // Cavium Networks Octeon2
+ EF_MIPS_MACH_OCTEON3 = 0x008e0000, // Cavium Networks Octeon3
+ EF_MIPS_MACH_5400 = 0x00910000, // NEC VR5400
+ EF_MIPS_MACH_5900 = 0x00920000, // MIPS R5900
+ EF_MIPS_MACH_5500 = 0x00980000, // NEC VR5500
+ EF_MIPS_MACH_9000 = 0x00990000, // Unknown
+ EF_MIPS_MACH_LS2E = 0x00a00000, // ST Microelectronics Loongson 2E
+ EF_MIPS_MACH_LS2F = 0x00a10000, // ST Microelectronics Loongson 2F
+ EF_MIPS_MACH_LS3A = 0x00a20000, // Loongson 3A
+ EF_MIPS_MACH = 0x00ff0000, // EF_MIPS_MACH_xxx selection mask
+
+ // ARCH_ASE
+ EF_MIPS_MICROMIPS = 0x02000000, // microMIPS
+ EF_MIPS_ARCH_ASE_M16 =
+ 0x04000000, // Has Mips-16 ISA extensions
+ EF_MIPS_ARCH_ASE_MDMX =
+ 0x08000000, // Has MDMX multimedia extensions
+ EF_MIPS_ARCH_ASE = 0x0f000000, // Mask for EF_MIPS_ARCH_ASE_xxx flags
+
+ // ARCH
+ EF_MIPS_ARCH_1 = 0x00000000, // MIPS1 instruction set
+ EF_MIPS_ARCH_2 = 0x10000000, // MIPS2 instruction set
+ EF_MIPS_ARCH_3 = 0x20000000, // MIPS3 instruction set
+ EF_MIPS_ARCH_4 = 0x30000000, // MIPS4 instruction set
+ EF_MIPS_ARCH_5 = 0x40000000, // MIPS5 instruction set
+ EF_MIPS_ARCH_32 = 0x50000000, // MIPS32 instruction set per linux not elf.h
+ EF_MIPS_ARCH_64 = 0x60000000, // MIPS64 instruction set per linux not elf.h
+ EF_MIPS_ARCH_32R2 = 0x70000000, // mips32r2, mips32r3, mips32r5
+ EF_MIPS_ARCH_64R2 = 0x80000000, // mips64r2, mips64r3, mips64r5
+ EF_MIPS_ARCH_32R6 = 0x90000000, // mips32r6
+ EF_MIPS_ARCH_64R6 = 0xa0000000, // mips64r6
+ EF_MIPS_ARCH = 0xf0000000 // Mask for applying EF_MIPS_ARCH_ variant
+};
+
+// ELF Relocation types for Mips
+enum {
+#include "ELFRelocs/Mips.def"
+};
+
+// Special values for the st_other field in the symbol table entry for MIPS.
+enum {
+ STO_MIPS_OPTIONAL = 0x04, // Symbol whose definition is optional
+ STO_MIPS_PLT = 0x08, // PLT entry related dynamic table record
+ STO_MIPS_PIC = 0x20, // PIC func in an object mixes PIC/non-PIC
+ STO_MIPS_MICROMIPS = 0x80, // MIPS Specific ISA for MicroMips
+ STO_MIPS_MIPS16 = 0xf0 // MIPS Specific ISA for Mips16
+};
+
+// .MIPS.options section descriptor kinds
+enum {
+ ODK_NULL = 0, // Undefined
+ ODK_REGINFO = 1, // Register usage information
+ ODK_EXCEPTIONS = 2, // Exception processing options
+ ODK_PAD = 3, // Section padding options
+ ODK_HWPATCH = 4, // Hardware patches applied
+ ODK_FILL = 5, // Linker fill value
+ ODK_TAGS = 6, // Space for tool identification
+ ODK_HWAND = 7, // Hardware AND patches applied
+ ODK_HWOR = 8, // Hardware OR patches applied
+ ODK_GP_GROUP = 9, // GP group to use for text/data sections
+ ODK_IDENT = 10, // ID information
+ ODK_PAGESIZE = 11 // Page size information
+};
+
+// Hexagon-specific e_flags
+enum {
+ // Object processor version flags, bits[11:0]
+ EF_HEXAGON_MACH_V2 = 0x00000001, // Hexagon V2
+ EF_HEXAGON_MACH_V3 = 0x00000002, // Hexagon V3
+ EF_HEXAGON_MACH_V4 = 0x00000003, // Hexagon V4
+ EF_HEXAGON_MACH_V5 = 0x00000004, // Hexagon V5
+ EF_HEXAGON_MACH_V55 = 0x00000005, // Hexagon V55
+ EF_HEXAGON_MACH_V60 = 0x00000060, // Hexagon V60
+
+ // Highest ISA version flags
+ EF_HEXAGON_ISA_MACH = 0x00000000, // Same as specified in bits[11:0]
+ // of e_flags
+ EF_HEXAGON_ISA_V2 = 0x00000010, // Hexagon V2 ISA
+ EF_HEXAGON_ISA_V3 = 0x00000020, // Hexagon V3 ISA
+ EF_HEXAGON_ISA_V4 = 0x00000030, // Hexagon V4 ISA
+ EF_HEXAGON_ISA_V5 = 0x00000040, // Hexagon V5 ISA
+ EF_HEXAGON_ISA_V55 = 0x00000050, // Hexagon V55 ISA
+ EF_HEXAGON_ISA_V60 = 0x00000060, // Hexagon V60 ISA
+};
+
+// Hexagon-specific section indexes for common small data
+enum {
+ SHN_HEXAGON_SCOMMON = 0xff00, // Other access sizes
+ SHN_HEXAGON_SCOMMON_1 = 0xff01, // Byte-sized access
+ SHN_HEXAGON_SCOMMON_2 = 0xff02, // Half-word-sized access
+ SHN_HEXAGON_SCOMMON_4 = 0xff03, // Word-sized access
+ SHN_HEXAGON_SCOMMON_8 = 0xff04 // Double-word-size access
+};
+
+// ELF Relocation types for Hexagon
+enum {
+#include "ELFRelocs/Hexagon.def"
+};
+
+// ELF Relocation types for S390/zSeries
+enum {
+#include "ELFRelocs/SystemZ.def"
+};
+
+// ELF Relocation type for Sparc.
+enum {
+#include "ELFRelocs/Sparc.def"
+};
+
+// ELF Relocation types for WebAssembly
+enum {
+#include "ELFRelocs/WebAssembly.def"
+};
+
+#undef ELF_RELOC
+
+// Section header.
+struct Elf32_Shdr {
+ Elf32_Word sh_name; // Section name (index into string table)
+ Elf32_Word sh_type; // Section type (SHT_*)
+ Elf32_Word sh_flags; // Section flags (SHF_*)
+ Elf32_Addr sh_addr; // Address where section is to be loaded
+ Elf32_Off sh_offset; // File offset of section data, in bytes
+ Elf32_Word sh_size; // Size of section, in bytes
+ Elf32_Word sh_link; // Section type-specific header table index link
+ Elf32_Word sh_info; // Section type-specific extra information
+ Elf32_Word sh_addralign; // Section address alignment
+ Elf32_Word sh_entsize; // Size of records contained within the section
+};
+
+// Section header for ELF64 - same fields as ELF32, different types.
+struct Elf64_Shdr {
+ Elf64_Word sh_name;
+ Elf64_Word sh_type;
+ Elf64_Xword sh_flags;
+ Elf64_Addr sh_addr;
+ Elf64_Off sh_offset;
+ Elf64_Xword sh_size;
+ Elf64_Word sh_link;
+ Elf64_Word sh_info;
+ Elf64_Xword sh_addralign;
+ Elf64_Xword sh_entsize;
+};
+
+// Special section indices.
+enum {
+ SHN_UNDEF = 0, // Undefined, missing, irrelevant, or meaningless
+ SHN_LORESERVE = 0xff00, // Lowest reserved index
+ SHN_LOPROC = 0xff00, // Lowest processor-specific index
+ SHN_HIPROC = 0xff1f, // Highest processor-specific index
+ SHN_LOOS = 0xff20, // Lowest operating system-specific index
+ SHN_HIOS = 0xff3f, // Highest operating system-specific index
+ SHN_ABS = 0xfff1, // Symbol has absolute value; does not need relocation
+ SHN_COMMON = 0xfff2, // FORTRAN COMMON or C external global variables
+ SHN_XINDEX = 0xffff, // Mark that the index is >= SHN_LORESERVE
+ SHN_HIRESERVE = 0xffff // Highest reserved index
+};
+
+// Section types.
+enum : unsigned {
+ SHT_NULL = 0, // No associated section (inactive entry).
+ SHT_PROGBITS = 1, // Program-defined contents.
+ SHT_SYMTAB = 2, // Symbol table.
+ SHT_STRTAB = 3, // String table.
+ SHT_RELA = 4, // Relocation entries; explicit addends.
+ SHT_HASH = 5, // Symbol hash table.
+ SHT_DYNAMIC = 6, // Information for dynamic linking.
+ SHT_NOTE = 7, // Information about the file.
+ SHT_NOBITS = 8, // Data occupies no space in the file.
+ SHT_REL = 9, // Relocation entries; no explicit addends.
+ SHT_SHLIB = 10, // Reserved.
+ SHT_DYNSYM = 11, // Symbol table.
+ SHT_INIT_ARRAY = 14, // Pointers to initialization functions.
+ SHT_FINI_ARRAY = 15, // Pointers to termination functions.
+ SHT_PREINIT_ARRAY = 16, // Pointers to pre-init functions.
+ SHT_GROUP = 17, // Section group.
+ SHT_SYMTAB_SHNDX = 18, // Indices for SHN_XINDEX entries.
+ SHT_LOOS = 0x60000000, // Lowest operating system-specific type.
+ SHT_GNU_ATTRIBUTES= 0x6ffffff5, // Object attributes.
+ SHT_GNU_HASH = 0x6ffffff6, // GNU-style hash table.
+ SHT_GNU_verdef = 0x6ffffffd, // GNU version definitions.
+ SHT_GNU_verneed = 0x6ffffffe, // GNU version references.
+ SHT_GNU_versym = 0x6fffffff, // GNU symbol versions table.
+ SHT_HIOS = 0x6fffffff, // Highest operating system-specific type.
+ SHT_LOPROC = 0x70000000, // Lowest processor arch-specific type.
+ // Fixme: All this is duplicated in MCSectionELF. Why??
+ // Exception Index table
+ SHT_ARM_EXIDX = 0x70000001U,
+ // BPABI DLL dynamic linking pre-emption map
+ SHT_ARM_PREEMPTMAP = 0x70000002U,
+ // Object file compatibility attributes
+ SHT_ARM_ATTRIBUTES = 0x70000003U,
+ SHT_ARM_DEBUGOVERLAY = 0x70000004U,
+ SHT_ARM_OVERLAYSECTION = 0x70000005U,
+ SHT_HEX_ORDERED = 0x70000000, // Link editor is to sort the entries in
+ // this section based on their sizes
+ SHT_X86_64_UNWIND = 0x70000001, // Unwind information
+
+ SHT_MIPS_REGINFO = 0x70000006, // Register usage information
+ SHT_MIPS_OPTIONS = 0x7000000d, // General options
+ SHT_MIPS_ABIFLAGS = 0x7000002a, // ABI information.
+
+ SHT_HIPROC = 0x7fffffff, // Highest processor arch-specific type.
+ SHT_LOUSER = 0x80000000, // Lowest type reserved for applications.
+ SHT_HIUSER = 0xffffffff // Highest type reserved for applications.
+};
+
+// Section flags.
+enum : unsigned {
+ // Section data should be writable during execution.
+ SHF_WRITE = 0x1,
+
+ // Section occupies memory during program execution.
+ SHF_ALLOC = 0x2,
+
+ // Section contains executable machine instructions.
+ SHF_EXECINSTR = 0x4,
+
+ // The data in this section may be merged.
+ SHF_MERGE = 0x10,
+
+ // The data in this section is null-terminated strings.
+ SHF_STRINGS = 0x20,
+
+ // A field in this section holds a section header table index.
+ SHF_INFO_LINK = 0x40U,
+
+ // Adds special ordering requirements for link editors.
+ SHF_LINK_ORDER = 0x80U,
+
+ // This section requires special OS-specific processing to avoid incorrect
+ // behavior.
+ SHF_OS_NONCONFORMING = 0x100U,
+
+ // This section is a member of a section group.
+ SHF_GROUP = 0x200U,
+
+ // This section holds Thread-Local Storage.
+ SHF_TLS = 0x400U,
+
+ // This section is excluded from the final executable or shared library.
+ SHF_EXCLUDE = 0x80000000U,
+
+ // Start of target-specific flags.
+
+ /// XCORE_SHF_CP_SECTION - All sections with the "c" flag are grouped
+ /// together by the linker to form the constant pool and the cp register is
+ /// set to the start of the constant pool by the boot code.
+ XCORE_SHF_CP_SECTION = 0x800U,
+
+ /// XCORE_SHF_DP_SECTION - All sections with the "d" flag are grouped
+ /// together by the linker to form the data section and the dp register is
+ /// set to the start of the section by the boot code.
+ XCORE_SHF_DP_SECTION = 0x1000U,
+
+ SHF_MASKOS = 0x0ff00000,
+
+ // Bits indicating processor-specific flags.
+ SHF_MASKPROC = 0xf0000000,
+
+ // If an object file section does not have this flag set, then it may not hold
+ // more than 2GB and can be freely referred to in objects using smaller code
+ // models. Otherwise, only objects using larger code models can refer to them.
+ // For example, a medium code model object can refer to data in a section that
+ // sets this flag besides being able to refer to data in a section that does
+ // not set it; likewise, a small code model object can refer only to code in a
+ // section that does not set this flag.
+ SHF_X86_64_LARGE = 0x10000000,
+
+ // All sections with the GPREL flag are grouped into a global data area
+ // for faster accesses
+ SHF_HEX_GPREL = 0x10000000,
+
+ // Section contains text/data which may be replicated in other sections.
+ // Linker must retain only one copy.
+ SHF_MIPS_NODUPES = 0x01000000,
+
+ // Linker must generate implicit hidden weak names.
+ SHF_MIPS_NAMES = 0x02000000,
+
+ // Section data local to process.
+ SHF_MIPS_LOCAL = 0x04000000,
+
+ // Do not strip this section.
+ SHF_MIPS_NOSTRIP = 0x08000000,
+
+ // Section must be part of global data area.
+ SHF_MIPS_GPREL = 0x10000000,
+
+ // This section should be merged.
+ SHF_MIPS_MERGE = 0x20000000,
+
+ // Address size to be inferred from section entry size.
+ SHF_MIPS_ADDR = 0x40000000,
+
+ // Section data is string data by default.
+ SHF_MIPS_STRING = 0x80000000,
+
+ SHF_AMDGPU_HSA_GLOBAL = 0x00100000,
+ SHF_AMDGPU_HSA_READONLY = 0x00200000,
+ SHF_AMDGPU_HSA_CODE = 0x00400000,
+ SHF_AMDGPU_HSA_AGENT = 0x00800000
+};
+
+// Section Group Flags
+enum : unsigned {
+ GRP_COMDAT = 0x1,
+ GRP_MASKOS = 0x0ff00000,
+ GRP_MASKPROC = 0xf0000000
+};
+
+// Symbol table entries for ELF32.
+struct Elf32_Sym {
+ Elf32_Word st_name; // Symbol name (index into string table)
+ Elf32_Addr st_value; // Value or address associated with the symbol
+ Elf32_Word st_size; // Size of the symbol
+ unsigned char st_info; // Symbol's type and binding attributes
+ unsigned char st_other; // Must be zero; reserved
+ Elf32_Half st_shndx; // Which section (header table index) it's defined in
+
+ // These accessors and mutators correspond to the ELF32_ST_BIND,
+ // ELF32_ST_TYPE, and ELF32_ST_INFO macros defined in the ELF specification:
+ unsigned char getBinding() const { return st_info >> 4; }
+ unsigned char getType() const { return st_info & 0x0f; }
+ void setBinding(unsigned char b) { setBindingAndType(b, getType()); }
+ void setType(unsigned char t) { setBindingAndType(getBinding(), t); }
+ void setBindingAndType(unsigned char b, unsigned char t) {
+ st_info = (b << 4) + (t & 0x0f);
+ }
+};
+
+// Symbol table entries for ELF64.
+struct Elf64_Sym {
+ Elf64_Word st_name; // Symbol name (index into string table)
+ unsigned char st_info; // Symbol's type and binding attributes
+ unsigned char st_other; // Must be zero; reserved
+ Elf64_Half st_shndx; // Which section (header tbl index) it's defined in
+ Elf64_Addr st_value; // Value or address associated with the symbol
+ Elf64_Xword st_size; // Size of the symbol
+
+ // These accessors and mutators are identical to those defined for ELF32
+ // symbol table entries.
+ unsigned char getBinding() const { return st_info >> 4; }
+ unsigned char getType() const { return st_info & 0x0f; }
+ void setBinding(unsigned char b) { setBindingAndType(b, getType()); }
+ void setType(unsigned char t) { setBindingAndType(getBinding(), t); }
+ void setBindingAndType(unsigned char b, unsigned char t) {
+ st_info = (b << 4) + (t & 0x0f);
+ }
+};
+
+// The size (in bytes) of symbol table entries.
+enum {
+ SYMENTRY_SIZE32 = 16, // 32-bit symbol entry size
+ SYMENTRY_SIZE64 = 24 // 64-bit symbol entry size.
+};
+
+// Symbol bindings.
+enum {
+ STB_LOCAL = 0, // Local symbol, not visible outside obj file containing def
+ STB_GLOBAL = 1, // Global symbol, visible to all object files being combined
+ STB_WEAK = 2, // Weak symbol, like global but lower-precedence
+ STB_GNU_UNIQUE = 10,
+ STB_LOOS = 10, // Lowest operating system-specific binding type
+ STB_HIOS = 12, // Highest operating system-specific binding type
+ STB_LOPROC = 13, // Lowest processor-specific binding type
+ STB_HIPROC = 15 // Highest processor-specific binding type
+};
+
+// Symbol types.
+enum {
+ STT_NOTYPE = 0, // Symbol's type is not specified
+ STT_OBJECT = 1, // Symbol is a data object (variable, array, etc.)
+ STT_FUNC = 2, // Symbol is executable code (function, etc.)
+ STT_SECTION = 3, // Symbol refers to a section
+ STT_FILE = 4, // Local, absolute symbol that refers to a file
+ STT_COMMON = 5, // An uninitialized common block
+ STT_TLS = 6, // Thread local data object
+ STT_GNU_IFUNC = 10, // GNU indirect function
+ STT_LOOS = 10, // Lowest operating system-specific symbol type
+ STT_HIOS = 12, // Highest operating system-specific symbol type
+ STT_LOPROC = 13, // Lowest processor-specific symbol type
+ STT_HIPROC = 15, // Highest processor-specific symbol type
+
+ // AMDGPU symbol types
+ STT_AMDGPU_HSA_KERNEL = 10,
+ STT_AMDGPU_HSA_INDIRECT_FUNCTION = 11,
+ STT_AMDGPU_HSA_METADATA = 12
+};
+
+enum {
+ STV_DEFAULT = 0, // Visibility is specified by binding type
+ STV_INTERNAL = 1, // Defined by processor supplements
+ STV_HIDDEN = 2, // Not visible to other components
+ STV_PROTECTED = 3 // Visible in other components but not preemptable
+};
+
+// Symbol number.
+enum {
+ STN_UNDEF = 0
+};
+
+// Special relocation symbols used in the MIPS64 ELF relocation entries
+enum {
+ RSS_UNDEF = 0, // None
+ RSS_GP = 1, // Value of gp
+ RSS_GP0 = 2, // Value of gp used to create object being relocated
+ RSS_LOC = 3 // Address of location being relocated
+};
+
+// Relocation entry, without explicit addend.
+struct Elf32_Rel {
+ Elf32_Addr r_offset; // Location (file byte offset, or program virtual addr)
+ Elf32_Word r_info; // Symbol table index and type of relocation to apply
+
+ // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE,
+ // and ELF32_R_INFO macros defined in the ELF specification:
+ Elf32_Word getSymbol() const { return (r_info >> 8); }
+ unsigned char getType() const { return (unsigned char) (r_info & 0x0ff); }
+ void setSymbol(Elf32_Word s) { setSymbolAndType(s, getType()); }
+ void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); }
+ void setSymbolAndType(Elf32_Word s, unsigned char t) {
+ r_info = (s << 8) + t;
+ }
+};
+
+// Relocation entry with explicit addend.
+struct Elf32_Rela {
+ Elf32_Addr r_offset; // Location (file byte offset, or program virtual addr)
+ Elf32_Word r_info; // Symbol table index and type of relocation to apply
+ Elf32_Sword r_addend; // Compute value for relocatable field by adding this
+
+ // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE,
+ // and ELF32_R_INFO macros defined in the ELF specification:
+ Elf32_Word getSymbol() const { return (r_info >> 8); }
+ unsigned char getType() const { return (unsigned char) (r_info & 0x0ff); }
+ void setSymbol(Elf32_Word s) { setSymbolAndType(s, getType()); }
+ void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); }
+ void setSymbolAndType(Elf32_Word s, unsigned char t) {
+ r_info = (s << 8) + t;
+ }
+};
+
+// Relocation entry, without explicit addend.
+struct Elf64_Rel {
+ Elf64_Addr r_offset; // Location (file byte offset, or program virtual addr).
+ Elf64_Xword r_info; // Symbol table index and type of relocation to apply.
+
+ // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE,
+ // and ELF64_R_INFO macros defined in the ELF specification:
+ Elf64_Word getSymbol() const { return (r_info >> 32); }
+ Elf64_Word getType() const {
+ return (Elf64_Word) (r_info & 0xffffffffL);
+ }
+ void setSymbol(Elf64_Word s) { setSymbolAndType(s, getType()); }
+ void setType(Elf64_Word t) { setSymbolAndType(getSymbol(), t); }
+ void setSymbolAndType(Elf64_Word s, Elf64_Word t) {
+ r_info = ((Elf64_Xword)s << 32) + (t&0xffffffffL);
+ }
+};
+
+// Relocation entry with explicit addend.
+struct Elf64_Rela {
+ Elf64_Addr r_offset; // Location (file byte offset, or program virtual addr).
+ Elf64_Xword r_info; // Symbol table index and type of relocation to apply.
+ Elf64_Sxword r_addend; // Compute value for relocatable field by adding this.
+
+ // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE,
+ // and ELF64_R_INFO macros defined in the ELF specification:
+ Elf64_Word getSymbol() const { return (r_info >> 32); }
+ Elf64_Word getType() const {
+ return (Elf64_Word) (r_info & 0xffffffffL);
+ }
+ void setSymbol(Elf64_Word s) { setSymbolAndType(s, getType()); }
+ void setType(Elf64_Word t) { setSymbolAndType(getSymbol(), t); }
+ void setSymbolAndType(Elf64_Word s, Elf64_Word t) {
+ r_info = ((Elf64_Xword)s << 32) + (t&0xffffffffL);
+ }
+};
+
+// Program header for ELF32.
+struct Elf32_Phdr {
+ Elf32_Word p_type; // Type of segment
+ Elf32_Off p_offset; // File offset where segment is located, in bytes
+ Elf32_Addr p_vaddr; // Virtual address of beginning of segment
+ Elf32_Addr p_paddr; // Physical address of beginning of segment (OS-specific)
+ Elf32_Word p_filesz; // Num. of bytes in file image of segment (may be zero)
+ Elf32_Word p_memsz; // Num. of bytes in mem image of segment (may be zero)
+ Elf32_Word p_flags; // Segment flags
+ Elf32_Word p_align; // Segment alignment constraint
+};
+
+// Program header for ELF64.
+struct Elf64_Phdr {
+ Elf64_Word p_type; // Type of segment
+ Elf64_Word p_flags; // Segment flags
+ Elf64_Off p_offset; // File offset where segment is located, in bytes
+ Elf64_Addr p_vaddr; // Virtual address of beginning of segment
+ Elf64_Addr p_paddr; // Physical addr of beginning of segment (OS-specific)
+ Elf64_Xword p_filesz; // Num. of bytes in file image of segment (may be zero)
+ Elf64_Xword p_memsz; // Num. of bytes in mem image of segment (may be zero)
+ Elf64_Xword p_align; // Segment alignment constraint
+};
+
+// Segment types.
+enum {
+ PT_NULL = 0, // Unused segment.
+ PT_LOAD = 1, // Loadable segment.
+ PT_DYNAMIC = 2, // Dynamic linking information.
+ PT_INTERP = 3, // Interpreter pathname.
+ PT_NOTE = 4, // Auxiliary information.
+ PT_SHLIB = 5, // Reserved.
+ PT_PHDR = 6, // The program header table itself.
+ PT_TLS = 7, // The thread-local storage template.
+ PT_LOOS = 0x60000000, // Lowest operating system-specific pt entry type.
+ PT_HIOS = 0x6fffffff, // Highest operating system-specific pt entry type.
+ PT_LOPROC = 0x70000000, // Lowest processor-specific program hdr entry type.
+ PT_HIPROC = 0x7fffffff, // Highest processor-specific program hdr entry type.
+
+ // x86-64 program header types.
+ // These all contain stack unwind tables.
+ PT_GNU_EH_FRAME = 0x6474e550,
+ PT_SUNW_EH_FRAME = 0x6474e550,
+ PT_SUNW_UNWIND = 0x6464e550,
+
+ PT_GNU_STACK = 0x6474e551, // Indicates stack executability.
+ PT_GNU_RELRO = 0x6474e552, // Read-only after relocation.
+
+ // ARM program header types.
+ PT_ARM_ARCHEXT = 0x70000000, // Platform architecture compatibility info
+ // These all contain stack unwind tables.
+ PT_ARM_EXIDX = 0x70000001,
+ PT_ARM_UNWIND = 0x70000001,
+
+ // MIPS program header types.
+ PT_MIPS_REGINFO = 0x70000000, // Register usage information.
+ PT_MIPS_RTPROC = 0x70000001, // Runtime procedure table.
+ PT_MIPS_OPTIONS = 0x70000002, // Options segment.
+ PT_MIPS_ABIFLAGS = 0x70000003, // Abiflags segment.
+
+ // AMDGPU program header types.
+ PT_AMDGPU_HSA_LOAD_GLOBAL_PROGRAM = 0x60000000,
+ PT_AMDGPU_HSA_LOAD_GLOBAL_AGENT = 0x60000001,
+ PT_AMDGPU_HSA_LOAD_READONLY_AGENT = 0x60000002,
+ PT_AMDGPU_HSA_LOAD_CODE_AGENT = 0x60000003,
+
+ // WebAssembly program header types.
+ PT_WEBASSEMBLY_FUNCTIONS = PT_LOPROC + 0, // Function definitions.
+};
+
+// Segment flag bits.
+enum : unsigned {
+ PF_X = 1, // Execute
+ PF_W = 2, // Write
+ PF_R = 4, // Read
+ PF_MASKOS = 0x0ff00000,// Bits for operating system-specific semantics.
+ PF_MASKPROC = 0xf0000000 // Bits for processor-specific semantics.
+};
+
+// Dynamic table entry for ELF32.
+struct Elf32_Dyn
+{
+ Elf32_Sword d_tag; // Type of dynamic table entry.
+ union
+ {
+ Elf32_Word d_val; // Integer value of entry.
+ Elf32_Addr d_ptr; // Pointer value of entry.
+ } d_un;
+};
+
+// Dynamic table entry for ELF64.
+struct Elf64_Dyn
+{
+ Elf64_Sxword d_tag; // Type of dynamic table entry.
+ union
+ {
+ Elf64_Xword d_val; // Integer value of entry.
+ Elf64_Addr d_ptr; // Pointer value of entry.
+ } d_un;
+};
+
+// Dynamic table entry tags.
+enum {
+ DT_NULL = 0, // Marks end of dynamic array.
+ DT_NEEDED = 1, // String table offset of needed library.
+ DT_PLTRELSZ = 2, // Size of relocation entries in PLT.
+ DT_PLTGOT = 3, // Address associated with linkage table.
+ DT_HASH = 4, // Address of symbolic hash table.
+ DT_STRTAB = 5, // Address of dynamic string table.
+ DT_SYMTAB = 6, // Address of dynamic symbol table.
+ DT_RELA = 7, // Address of relocation table (Rela entries).
+ DT_RELASZ = 8, // Size of Rela relocation table.
+ DT_RELAENT = 9, // Size of a Rela relocation entry.
+ DT_STRSZ = 10, // Total size of the string table.
+ DT_SYMENT = 11, // Size of a symbol table entry.
+ DT_INIT = 12, // Address of initialization function.
+ DT_FINI = 13, // Address of termination function.
+ DT_SONAME = 14, // String table offset of a shared objects name.
+ DT_RPATH = 15, // String table offset of library search path.
+ DT_SYMBOLIC = 16, // Changes symbol resolution algorithm.
+ DT_REL = 17, // Address of relocation table (Rel entries).
+ DT_RELSZ = 18, // Size of Rel relocation table.
+ DT_RELENT = 19, // Size of a Rel relocation entry.
+ DT_PLTREL = 20, // Type of relocation entry used for linking.
+ DT_DEBUG = 21, // Reserved for debugger.
+ DT_TEXTREL = 22, // Relocations exist for non-writable segments.
+ DT_JMPREL = 23, // Address of relocations associated with PLT.
+ DT_BIND_NOW = 24, // Process all relocations before execution.
+ DT_INIT_ARRAY = 25, // Pointer to array of initialization functions.
+ DT_FINI_ARRAY = 26, // Pointer to array of termination functions.
+ DT_INIT_ARRAYSZ = 27, // Size of DT_INIT_ARRAY.
+ DT_FINI_ARRAYSZ = 28, // Size of DT_FINI_ARRAY.
+ DT_RUNPATH = 29, // String table offset of lib search path.
+ DT_FLAGS = 30, // Flags.
+ DT_ENCODING = 32, // Values from here to DT_LOOS follow the rules
+ // for the interpretation of the d_un union.
+
+ DT_PREINIT_ARRAY = 32, // Pointer to array of preinit functions.
+ DT_PREINIT_ARRAYSZ = 33, // Size of the DT_PREINIT_ARRAY array.
+
+ DT_LOOS = 0x60000000, // Start of environment specific tags.
+ DT_HIOS = 0x6FFFFFFF, // End of environment specific tags.
+ DT_LOPROC = 0x70000000, // Start of processor specific tags.
+ DT_HIPROC = 0x7FFFFFFF, // End of processor specific tags.
+
+ DT_GNU_HASH = 0x6FFFFEF5, // Reference to the GNU hash table.
+ DT_RELACOUNT = 0x6FFFFFF9, // ELF32_Rela count.
+ DT_RELCOUNT = 0x6FFFFFFA, // ELF32_Rel count.
+
+ DT_FLAGS_1 = 0X6FFFFFFB, // Flags_1.
+ DT_VERSYM = 0x6FFFFFF0, // The address of .gnu.version section.
+ DT_VERDEF = 0X6FFFFFFC, // The address of the version definition table.
+ DT_VERDEFNUM = 0X6FFFFFFD, // The number of entries in DT_VERDEF.
+ DT_VERNEED = 0X6FFFFFFE, // The address of the version Dependency table.
+ DT_VERNEEDNUM = 0X6FFFFFFF, // The number of entries in DT_VERNEED.
+
+ // Mips specific dynamic table entry tags.
+ DT_MIPS_RLD_VERSION = 0x70000001, // 32 bit version number for runtime
+ // linker interface.
+ DT_MIPS_TIME_STAMP = 0x70000002, // Time stamp.
+ DT_MIPS_ICHECKSUM = 0x70000003, // Checksum of external strings
+ // and common sizes.
+ DT_MIPS_IVERSION = 0x70000004, // Index of version string
+ // in string table.
+ DT_MIPS_FLAGS = 0x70000005, // 32 bits of flags.
+ DT_MIPS_BASE_ADDRESS = 0x70000006, // Base address of the segment.
+ DT_MIPS_MSYM = 0x70000007, // Address of .msym section.
+ DT_MIPS_CONFLICT = 0x70000008, // Address of .conflict section.
+ DT_MIPS_LIBLIST = 0x70000009, // Address of .liblist section.
+ DT_MIPS_LOCAL_GOTNO = 0x7000000a, // Number of local global offset
+ // table entries.
+ DT_MIPS_CONFLICTNO = 0x7000000b, // Number of entries
+ // in the .conflict section.
+ DT_MIPS_LIBLISTNO = 0x70000010, // Number of entries
+ // in the .liblist section.
+ DT_MIPS_SYMTABNO = 0x70000011, // Number of entries
+ // in the .dynsym section.
+ DT_MIPS_UNREFEXTNO = 0x70000012, // Index of first external dynamic symbol
+ // not referenced locally.
+ DT_MIPS_GOTSYM = 0x70000013, // Index of first dynamic symbol
+ // in global offset table.
+ DT_MIPS_HIPAGENO = 0x70000014, // Number of page table entries
+ // in global offset table.
+ DT_MIPS_RLD_MAP = 0x70000016, // Address of run time loader map,
+ // used for debugging.
+ DT_MIPS_DELTA_CLASS = 0x70000017, // Delta C++ class definition.
+ DT_MIPS_DELTA_CLASS_NO = 0x70000018, // Number of entries
+ // in DT_MIPS_DELTA_CLASS.
+ DT_MIPS_DELTA_INSTANCE = 0x70000019, // Delta C++ class instances.
+ DT_MIPS_DELTA_INSTANCE_NO = 0x7000001A, // Number of entries
+ // in DT_MIPS_DELTA_INSTANCE.
+ DT_MIPS_DELTA_RELOC = 0x7000001B, // Delta relocations.
+ DT_MIPS_DELTA_RELOC_NO = 0x7000001C, // Number of entries
+ // in DT_MIPS_DELTA_RELOC.
+ DT_MIPS_DELTA_SYM = 0x7000001D, // Delta symbols that Delta
+ // relocations refer to.
+ DT_MIPS_DELTA_SYM_NO = 0x7000001E, // Number of entries
+ // in DT_MIPS_DELTA_SYM.
+ DT_MIPS_DELTA_CLASSSYM = 0x70000020, // Delta symbols that hold
+ // class declarations.
+ DT_MIPS_DELTA_CLASSSYM_NO = 0x70000021, // Number of entries
+ // in DT_MIPS_DELTA_CLASSSYM.
+ DT_MIPS_CXX_FLAGS = 0x70000022, // Flags indicating information
+ // about C++ flavor.
+ DT_MIPS_PIXIE_INIT = 0x70000023, // Pixie information.
+ DT_MIPS_SYMBOL_LIB = 0x70000024, // Address of .MIPS.symlib
+ DT_MIPS_LOCALPAGE_GOTIDX = 0x70000025, // The GOT index of the first PTE
+ // for a segment
+ DT_MIPS_LOCAL_GOTIDX = 0x70000026, // The GOT index of the first PTE
+ // for a local symbol
+ DT_MIPS_HIDDEN_GOTIDX = 0x70000027, // The GOT index of the first PTE
+ // for a hidden symbol
+ DT_MIPS_PROTECTED_GOTIDX = 0x70000028, // The GOT index of the first PTE
+ // for a protected symbol
+ DT_MIPS_OPTIONS = 0x70000029, // Address of `.MIPS.options'.
+ DT_MIPS_INTERFACE = 0x7000002A, // Address of `.interface'.
+ DT_MIPS_DYNSTR_ALIGN = 0x7000002B, // Unknown.
+ DT_MIPS_INTERFACE_SIZE = 0x7000002C, // Size of the .interface section.
+ DT_MIPS_RLD_TEXT_RESOLVE_ADDR = 0x7000002D, // Size of rld_text_resolve
+ // function stored in the GOT.
+ DT_MIPS_PERF_SUFFIX = 0x7000002E, // Default suffix of DSO to be added
+ // by rld on dlopen() calls.
+ DT_MIPS_COMPACT_SIZE = 0x7000002F, // Size of compact relocation
+ // section (O32).
+ DT_MIPS_GP_VALUE = 0x70000030, // GP value for auxiliary GOTs.
+ DT_MIPS_AUX_DYNAMIC = 0x70000031, // Address of auxiliary .dynamic.
+ DT_MIPS_PLTGOT = 0x70000032, // Address of the base of the PLTGOT.
+ DT_MIPS_RWPLT = 0x70000034, // Points to the base
+ // of a writable PLT.
+ DT_MIPS_RLD_MAP_REL = 0x70000035 // Relative offset of run time loader
+ // map, used for debugging.
+};
+
+// DT_FLAGS values.
+enum {
+ DF_ORIGIN = 0x01, // The object may reference $ORIGIN.
+ DF_SYMBOLIC = 0x02, // Search the shared lib before searching the exe.
+ DF_TEXTREL = 0x04, // Relocations may modify a non-writable segment.
+ DF_BIND_NOW = 0x08, // Process all relocations on load.
+ DF_STATIC_TLS = 0x10 // Reject attempts to load dynamically.
+};
+
+// State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1 entry.
+enum {
+ DF_1_NOW = 0x00000001, // Set RTLD_NOW for this object.
+ DF_1_GLOBAL = 0x00000002, // Set RTLD_GLOBAL for this object.
+ DF_1_GROUP = 0x00000004, // Set RTLD_GROUP for this object.
+ DF_1_NODELETE = 0x00000008, // Set RTLD_NODELETE for this object.
+ DF_1_LOADFLTR = 0x00000010, // Trigger filtee loading at runtime.
+ DF_1_INITFIRST = 0x00000020, // Set RTLD_INITFIRST for this object.
+ DF_1_NOOPEN = 0x00000040, // Set RTLD_NOOPEN for this object.
+ DF_1_ORIGIN = 0x00000080, // $ORIGIN must be handled.
+ DF_1_DIRECT = 0x00000100, // Direct binding enabled.
+ DF_1_TRANS = 0x00000200,
+ DF_1_INTERPOSE = 0x00000400, // Object is used to interpose.
+ DF_1_NODEFLIB = 0x00000800, // Ignore default lib search path.
+ DF_1_NODUMP = 0x00001000, // Object can't be dldump'ed.
+ DF_1_CONFALT = 0x00002000, // Configuration alternative created.
+ DF_1_ENDFILTEE = 0x00004000, // Filtee terminates filters search.
+ DF_1_DISPRELDNE = 0x00008000, // Disp reloc applied at build time.
+ DF_1_DISPRELPND = 0x00010000, // Disp reloc applied at run-time.
+ DF_1_NODIRECT = 0x00020000, // Object has no-direct binding.
+ DF_1_IGNMULDEF = 0x00040000,
+ DF_1_NOKSYMS = 0x00080000,
+ DF_1_NOHDR = 0x00100000,
+ DF_1_EDITED = 0x00200000, // Object is modified after built.
+ DF_1_NORELOC = 0x00400000,
+ DF_1_SYMINTPOSE = 0x00800000, // Object has individual interposers.
+ DF_1_GLOBAUDIT = 0x01000000, // Global auditing required.
+ DF_1_SINGLETON = 0x02000000 // Singleton symbols are used.
+};
+
+// DT_MIPS_FLAGS values.
+enum {
+ RHF_NONE = 0x00000000, // No flags.
+ RHF_QUICKSTART = 0x00000001, // Uses shortcut pointers.
+ RHF_NOTPOT = 0x00000002, // Hash size is not a power of two.
+ RHS_NO_LIBRARY_REPLACEMENT = 0x00000004, // Ignore LD_LIBRARY_PATH.
+ RHF_NO_MOVE = 0x00000008, // DSO address may not be relocated.
+ RHF_SGI_ONLY = 0x00000010, // SGI specific features.
+ RHF_GUARANTEE_INIT = 0x00000020, // Guarantee that .init will finish
+ // executing before any non-init
+ // code in DSO is called.
+ RHF_DELTA_C_PLUS_PLUS = 0x00000040, // Contains Delta C++ code.
+ RHF_GUARANTEE_START_INIT = 0x00000080, // Guarantee that .init will start
+ // executing before any non-init
+ // code in DSO is called.
+ RHF_PIXIE = 0x00000100, // Generated by pixie.
+ RHF_DEFAULT_DELAY_LOAD = 0x00000200, // Delay-load DSO by default.
+ RHF_REQUICKSTART = 0x00000400, // Object may be requickstarted
+ RHF_REQUICKSTARTED = 0x00000800, // Object has been requickstarted
+ RHF_CORD = 0x00001000, // Generated by cord.
+ RHF_NO_UNRES_UNDEF = 0x00002000, // Object contains no unresolved
+ // undef symbols.
+ RHF_RLD_ORDER_SAFE = 0x00004000 // Symbol table is in a safe order.
+};
+
+// ElfXX_VerDef structure version (GNU versioning)
+enum {
+ VER_DEF_NONE = 0,
+ VER_DEF_CURRENT = 1
+};
+
+// VerDef Flags (ElfXX_VerDef::vd_flags)
+enum {
+ VER_FLG_BASE = 0x1,
+ VER_FLG_WEAK = 0x2,
+ VER_FLG_INFO = 0x4
+};
+
+// Special constants for the version table. (SHT_GNU_versym/.gnu.version)
+enum {
+ VER_NDX_LOCAL = 0, // Unversioned local symbol
+ VER_NDX_GLOBAL = 1, // Unversioned global symbol
+ VERSYM_VERSION = 0x7fff, // Version Index mask
+ VERSYM_HIDDEN = 0x8000 // Hidden bit (non-default version)
+};
+
+// ElfXX_VerNeed structure version (GNU versioning)
+enum {
+ VER_NEED_NONE = 0,
+ VER_NEED_CURRENT = 1
+};
+
+} // end namespace ELF
+
+} // end namespace llvm
+
+#endif