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llvm-mirror/lib/Support/Dwarf.cpp
Alexey Samsonov 5c64f0995b [DWARF parser] Add basic support for DWZ DWARF multifile extensions. 
This change implements basic support for DWARF alternate sections
proposal: http://www.dwarfstd.org/ShowIssue.php?issue=120604.1&type=open

LLVM tools now understand new forms: DW_FORM_GNU_ref_alt and
DW_FORM_GNU_strp_alt, which are used as references to .debug_info and
.debug_str sections respectively, stored in a separate file, and
possibly shared between different executables / shared objects.

llvm-dwarfdump and llvm-symbolizer don't yet know how to access this
alternate debug file (usually pointed by .gnu_debugaltlink section),
but they can at lease properly parse and dump regular files, which
refer to it.

This change should fix crashes of llvm-dwarfdump and llvm-symbolizer on
files produced by running "dwz" tool. Such files are already installed
on some modern Linux distributions.

llvm-svn: 237721
2015-05-19 20:29:28 +00:00

591 lines
26 KiB
C++
Raw Blame History

//===-- llvm/Support/Dwarf.cpp - Dwarf Framework ----------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains support for generic dwarf information.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/Dwarf.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/Support/ErrorHandling.h"
using namespace llvm;
using namespace dwarf;
const char *llvm::dwarf::TagString(unsigned Tag) {
switch (Tag) {
default: return nullptr;
#define HANDLE_DW_TAG(ID, NAME) \
case DW_TAG_##NAME: \
return "DW_TAG_" #NAME;
#include "llvm/Support/Dwarf.def"
}
}
unsigned llvm::dwarf::getTag(StringRef TagString) {
return StringSwitch<unsigned>(TagString)
#define HANDLE_DW_TAG(ID, NAME) .Case("DW_TAG_" #NAME, DW_TAG_##NAME)
#include "llvm/Support/Dwarf.def"
.Default(DW_TAG_invalid);
}
const char *llvm::dwarf::ChildrenString(unsigned Children) {
switch (Children) {
case DW_CHILDREN_no: return "DW_CHILDREN_no";
case DW_CHILDREN_yes: return "DW_CHILDREN_yes";
}
return nullptr;
}
const char *llvm::dwarf::AttributeString(unsigned Attribute) {
switch (Attribute) {
case DW_AT_sibling: return "DW_AT_sibling";
case DW_AT_location: return "DW_AT_location";
case DW_AT_name: return "DW_AT_name";
case DW_AT_ordering: return "DW_AT_ordering";
case DW_AT_byte_size: return "DW_AT_byte_size";
case DW_AT_bit_offset: return "DW_AT_bit_offset";
case DW_AT_bit_size: return "DW_AT_bit_size";
case DW_AT_stmt_list: return "DW_AT_stmt_list";
case DW_AT_low_pc: return "DW_AT_low_pc";
case DW_AT_high_pc: return "DW_AT_high_pc";
case DW_AT_language: return "DW_AT_language";
case DW_AT_discr: return "DW_AT_discr";
case DW_AT_discr_value: return "DW_AT_discr_value";
case DW_AT_visibility: return "DW_AT_visibility";
case DW_AT_import: return "DW_AT_import";
case DW_AT_string_length: return "DW_AT_string_length";
case DW_AT_common_reference: return "DW_AT_common_reference";
case DW_AT_comp_dir: return "DW_AT_comp_dir";
case DW_AT_const_value: return "DW_AT_const_value";
case DW_AT_containing_type: return "DW_AT_containing_type";
case DW_AT_default_value: return "DW_AT_default_value";
case DW_AT_inline: return "DW_AT_inline";
case DW_AT_is_optional: return "DW_AT_is_optional";
case DW_AT_lower_bound: return "DW_AT_lower_bound";
case DW_AT_producer: return "DW_AT_producer";
case DW_AT_prototyped: return "DW_AT_prototyped";
case DW_AT_return_addr: return "DW_AT_return_addr";
case DW_AT_start_scope: return "DW_AT_start_scope";
case DW_AT_bit_stride: return "DW_AT_bit_stride";
case DW_AT_upper_bound: return "DW_AT_upper_bound";
case DW_AT_abstract_origin: return "DW_AT_abstract_origin";
case DW_AT_accessibility: return "DW_AT_accessibility";
case DW_AT_address_class: return "DW_AT_address_class";
case DW_AT_artificial: return "DW_AT_artificial";
case DW_AT_base_types: return "DW_AT_base_types";
case DW_AT_calling_convention: return "DW_AT_calling_convention";
case DW_AT_count: return "DW_AT_count";
case DW_AT_data_member_location: return "DW_AT_data_member_location";
case DW_AT_decl_column: return "DW_AT_decl_column";
case DW_AT_decl_file: return "DW_AT_decl_file";
case DW_AT_decl_line: return "DW_AT_decl_line";
case DW_AT_declaration: return "DW_AT_declaration";
case DW_AT_discr_list: return "DW_AT_discr_list";
case DW_AT_encoding: return "DW_AT_encoding";
case DW_AT_external: return "DW_AT_external";
case DW_AT_frame_base: return "DW_AT_frame_base";
case DW_AT_friend: return "DW_AT_friend";
case DW_AT_identifier_case: return "DW_AT_identifier_case";
case DW_AT_macro_info: return "DW_AT_macro_info";
case DW_AT_namelist_item: return "DW_AT_namelist_item";
case DW_AT_priority: return "DW_AT_priority";
case DW_AT_segment: return "DW_AT_segment";
case DW_AT_specification: return "DW_AT_specification";
case DW_AT_static_link: return "DW_AT_static_link";
case DW_AT_type: return "DW_AT_type";
case DW_AT_use_location: return "DW_AT_use_location";
case DW_AT_variable_parameter: return "DW_AT_variable_parameter";
case DW_AT_virtuality: return "DW_AT_virtuality";
case DW_AT_vtable_elem_location: return "DW_AT_vtable_elem_location";
case DW_AT_allocated: return "DW_AT_allocated";
case DW_AT_associated: return "DW_AT_associated";
case DW_AT_data_location: return "DW_AT_data_location";
case DW_AT_byte_stride: return "DW_AT_byte_stride";
case DW_AT_entry_pc: return "DW_AT_entry_pc";
case DW_AT_use_UTF8: return "DW_AT_use_UTF8";
case DW_AT_extension: return "DW_AT_extension";
case DW_AT_ranges: return "DW_AT_ranges";
case DW_AT_trampoline: return "DW_AT_trampoline";
case DW_AT_call_column: return "DW_AT_call_column";
case DW_AT_call_file: return "DW_AT_call_file";
case DW_AT_call_line: return "DW_AT_call_line";
case DW_AT_description: return "DW_AT_description";
case DW_AT_binary_scale: return "DW_AT_binary_scale";
case DW_AT_decimal_scale: return "DW_AT_decimal_scale";
case DW_AT_small: return "DW_AT_small";
case DW_AT_decimal_sign: return "DW_AT_decimal_sign";
case DW_AT_digit_count: return "DW_AT_digit_count";
case DW_AT_picture_string: return "DW_AT_picture_string";
case DW_AT_mutable: return "DW_AT_mutable";
case DW_AT_threads_scaled: return "DW_AT_threads_scaled";
case DW_AT_explicit: return "DW_AT_explicit";
case DW_AT_object_pointer: return "DW_AT_object_pointer";
case DW_AT_endianity: return "DW_AT_endianity";
case DW_AT_elemental: return "DW_AT_elemental";
case DW_AT_pure: return "DW_AT_pure";
case DW_AT_recursive: return "DW_AT_recursive";
case DW_AT_signature: return "DW_AT_signature";
case DW_AT_main_subprogram: return "DW_AT_main_subprogram";
case DW_AT_data_bit_offset: return "DW_AT_data_bit_offset";
case DW_AT_const_expr: return "DW_AT_const_expr";
case DW_AT_enum_class: return "DW_AT_enum_class";
case DW_AT_linkage_name: return "DW_AT_linkage_name";
case DW_AT_string_length_bit_size: return "DW_AT_string_length_bit_size";
case DW_AT_string_length_byte_size: return "DW_AT_string_length_byte_size";
case DW_AT_rank: return "DW_AT_rank";
case DW_AT_str_offsets_base: return "DW_AT_str_offsets_base";
case DW_AT_addr_base: return "DW_AT_addr_base";
case DW_AT_ranges_base: return "DW_AT_ranges_base";
case DW_AT_dwo_id: return "DW_AT_dwo_id";
case DW_AT_dwo_name: return "DW_AT_dwo_name";
case DW_AT_reference: return "DW_AT_reference";
case DW_AT_rvalue_reference: return "DW_AT_rvalue_reference";
case DW_AT_MIPS_loop_begin: return "DW_AT_MIPS_loop_begin";
case DW_AT_MIPS_tail_loop_begin: return "DW_AT_MIPS_tail_loop_begin";
case DW_AT_MIPS_epilog_begin: return "DW_AT_MIPS_epilog_begin";
case DW_AT_MIPS_loop_unroll_factor: return "DW_AT_MIPS_loop_unroll_factor";
case DW_AT_MIPS_software_pipeline_depth:
return "DW_AT_MIPS_software_pipeline_depth";
case DW_AT_MIPS_linkage_name: return "DW_AT_MIPS_linkage_name";
case DW_AT_MIPS_stride: return "DW_AT_MIPS_stride";
case DW_AT_MIPS_abstract_name: return "DW_AT_MIPS_abstract_name";
case DW_AT_MIPS_clone_origin: return "DW_AT_MIPS_clone_origin";
case DW_AT_MIPS_has_inlines: return "DW_AT_MIPS_has_inlines";
case DW_AT_MIPS_stride_byte: return "DW_AT_MIPS_stride_byte";
case DW_AT_MIPS_stride_elem: return "DW_AT_MIPS_stride_elem";
case DW_AT_MIPS_ptr_dopetype: return "DW_AT_MIPS_ptr_dopetype";
case DW_AT_MIPS_allocatable_dopetype:
return "DW_AT_MIPS_allocatable_dopetype";
case DW_AT_MIPS_assumed_shape_dopetype:
return "DW_AT_MIPS_assumed_shape_dopetype";
case DW_AT_sf_names: return "DW_AT_sf_names";
case DW_AT_src_info: return "DW_AT_src_info";
case DW_AT_mac_info: return "DW_AT_mac_info";
case DW_AT_src_coords: return "DW_AT_src_coords";
case DW_AT_body_begin: return "DW_AT_body_begin";
case DW_AT_body_end: return "DW_AT_body_end";
case DW_AT_GNU_vector: return "DW_AT_GNU_vector";
case DW_AT_GNU_template_name: return "DW_AT_GNU_template_name";
case DW_AT_GNU_odr_signature: return "DW_AT_GNU_odr_signature";
case DW_AT_MIPS_assumed_size: return "DW_AT_MIPS_assumed_size";
case DW_AT_lo_user: return "DW_AT_lo_user";
case DW_AT_hi_user: return "DW_AT_hi_user";
case DW_AT_APPLE_optimized: return "DW_AT_APPLE_optimized";
case DW_AT_APPLE_flags: return "DW_AT_APPLE_flags";
case DW_AT_APPLE_isa: return "DW_AT_APPLE_isa";
case DW_AT_APPLE_block: return "DW_AT_APPLE_block";
case DW_AT_APPLE_major_runtime_vers: return "DW_AT_APPLE_major_runtime_vers";
case DW_AT_APPLE_runtime_class: return "DW_AT_APPLE_runtime_class";
case DW_AT_APPLE_omit_frame_ptr: return "DW_AT_APPLE_omit_frame_ptr";
case DW_AT_APPLE_property_name: return "DW_AT_APPLE_property_name";
case DW_AT_APPLE_property_getter: return "DW_AT_APPLE_property_getter";
case DW_AT_APPLE_property_setter: return "DW_AT_APPLE_property_setter";
case DW_AT_APPLE_property_attribute: return "DW_AT_APPLE_property_attribute";
case DW_AT_APPLE_property: return "DW_AT_APPLE_property";
case DW_AT_APPLE_objc_complete_type: return "DW_AT_APPLE_objc_complete_type";
// DWARF5 Fission Extension Attribute
case DW_AT_GNU_dwo_name: return "DW_AT_GNU_dwo_name";
case DW_AT_GNU_dwo_id: return "DW_AT_GNU_dwo_id";
case DW_AT_GNU_ranges_base: return "DW_AT_GNU_ranges_base";
case DW_AT_GNU_addr_base: return "DW_AT_GNU_addr_base";
case DW_AT_GNU_pubnames: return "DW_AT_GNU_pubnames";
case DW_AT_GNU_pubtypes: return "DW_AT_GNU_pubtypes";
}
return nullptr;
}
const char *llvm::dwarf::FormEncodingString(unsigned Encoding) {
switch (Encoding) {
case DW_FORM_addr: return "DW_FORM_addr";
case DW_FORM_block2: return "DW_FORM_block2";
case DW_FORM_block4: return "DW_FORM_block4";
case DW_FORM_data2: return "DW_FORM_data2";
case DW_FORM_data4: return "DW_FORM_data4";
case DW_FORM_data8: return "DW_FORM_data8";
case DW_FORM_string: return "DW_FORM_string";
case DW_FORM_block: return "DW_FORM_block";
case DW_FORM_block1: return "DW_FORM_block1";
case DW_FORM_data1: return "DW_FORM_data1";
case DW_FORM_flag: return "DW_FORM_flag";
case DW_FORM_sdata: return "DW_FORM_sdata";
case DW_FORM_strp: return "DW_FORM_strp";
case DW_FORM_udata: return "DW_FORM_udata";
case DW_FORM_ref_addr: return "DW_FORM_ref_addr";
case DW_FORM_ref1: return "DW_FORM_ref1";
case DW_FORM_ref2: return "DW_FORM_ref2";
case DW_FORM_ref4: return "DW_FORM_ref4";
case DW_FORM_ref8: return "DW_FORM_ref8";
case DW_FORM_ref_udata: return "DW_FORM_ref_udata";
case DW_FORM_indirect: return "DW_FORM_indirect";
case DW_FORM_sec_offset: return "DW_FORM_sec_offset";
case DW_FORM_exprloc: return "DW_FORM_exprloc";
case DW_FORM_flag_present: return "DW_FORM_flag_present";
case DW_FORM_ref_sig8: return "DW_FORM_ref_sig8";
// DWARF5 Fission Extension Forms
case DW_FORM_GNU_addr_index: return "DW_FORM_GNU_addr_index";
case DW_FORM_GNU_str_index: return "DW_FORM_GNU_str_index";
// Alternate debug sections proposal (output of "dwz" tool).
case DW_FORM_GNU_ref_alt: return "DW_FORM_GNU_ref_alt";
case DW_FORM_GNU_strp_alt: return "DW_FORM_GNU_strp_alt";
}
return nullptr;
}
const char *llvm::dwarf::OperationEncodingString(unsigned Encoding) {
switch (Encoding) {
default: return nullptr;
#define HANDLE_DW_OP(ID, NAME) \
case DW_OP_##NAME: \
return "DW_OP_" #NAME;
#include "llvm/Support/Dwarf.def"
}
}
unsigned llvm::dwarf::getOperationEncoding(StringRef OperationEncodingString) {
return StringSwitch<unsigned>(OperationEncodingString)
#define HANDLE_DW_OP(ID, NAME) .Case("DW_OP_" #NAME, DW_OP_##NAME)
#include "llvm/Support/Dwarf.def"
.Default(0);
}
const char *llvm::dwarf::AttributeEncodingString(unsigned Encoding) {
switch (Encoding) {
default: return nullptr;
#define HANDLE_DW_ATE(ID, NAME) \
case DW_ATE_##NAME: \
return "DW_ATE_" #NAME;
#include "llvm/Support/Dwarf.def"
}
}
unsigned llvm::dwarf::getAttributeEncoding(StringRef EncodingString) {
return StringSwitch<unsigned>(EncodingString)
#define HANDLE_DW_ATE(ID, NAME) .Case("DW_ATE_" #NAME, DW_ATE_##NAME)
#include "llvm/Support/Dwarf.def"
.Default(0);
}
const char *llvm::dwarf::DecimalSignString(unsigned Sign) {
switch (Sign) {
case DW_DS_unsigned: return "DW_DS_unsigned";
case DW_DS_leading_overpunch: return "DW_DS_leading_overpunch";
case DW_DS_trailing_overpunch: return "DW_DS_trailing_overpunch";
case DW_DS_leading_separate: return "DW_DS_leading_separate";
case DW_DS_trailing_separate: return "DW_DS_trailing_separate";
}
return nullptr;
}
const char *llvm::dwarf::EndianityString(unsigned Endian) {
switch (Endian) {
case DW_END_default: return "DW_END_default";
case DW_END_big: return "DW_END_big";
case DW_END_little: return "DW_END_little";
case DW_END_lo_user: return "DW_END_lo_user";
case DW_END_hi_user: return "DW_END_hi_user";
}
return nullptr;
}
const char *llvm::dwarf::AccessibilityString(unsigned Access) {
switch (Access) {
// Accessibility codes
case DW_ACCESS_public: return "DW_ACCESS_public";
case DW_ACCESS_protected: return "DW_ACCESS_protected";
case DW_ACCESS_private: return "DW_ACCESS_private";
}
return nullptr;
}
const char *llvm::dwarf::VisibilityString(unsigned Visibility) {
switch (Visibility) {
case DW_VIS_local: return "DW_VIS_local";
case DW_VIS_exported: return "DW_VIS_exported";
case DW_VIS_qualified: return "DW_VIS_qualified";
}
return nullptr;
}
const char *llvm::dwarf::VirtualityString(unsigned Virtuality) {
switch (Virtuality) {
default:
return nullptr;
#define HANDLE_DW_VIRTUALITY(ID, NAME) \
case DW_VIRTUALITY_##NAME: \
return "DW_VIRTUALITY_" #NAME;
#include "llvm/Support/Dwarf.def"
}
}
unsigned llvm::dwarf::getVirtuality(StringRef VirtualityString) {
return StringSwitch<unsigned>(VirtualityString)
#define HANDLE_DW_VIRTUALITY(ID, NAME) \
.Case("DW_VIRTUALITY_" #NAME, DW_VIRTUALITY_##NAME)
#include "llvm/Support/Dwarf.def"
.Default(DW_VIRTUALITY_invalid);
}
const char *llvm::dwarf::LanguageString(unsigned Language) {
switch (Language) {
default:
return nullptr;
#define HANDLE_DW_LANG(ID, NAME) \
case DW_LANG_##NAME: \
return "DW_LANG_" #NAME;
#include "llvm/Support/Dwarf.def"
}
}
unsigned llvm::dwarf::getLanguage(StringRef LanguageString) {
return StringSwitch<unsigned>(LanguageString)
#define HANDLE_DW_LANG(ID, NAME) .Case("DW_LANG_" #NAME, DW_LANG_##NAME)
#include "llvm/Support/Dwarf.def"
.Default(0);
}
const char *llvm::dwarf::CaseString(unsigned Case) {
switch (Case) {
case DW_ID_case_sensitive: return "DW_ID_case_sensitive";
case DW_ID_up_case: return "DW_ID_up_case";
case DW_ID_down_case: return "DW_ID_down_case";
case DW_ID_case_insensitive: return "DW_ID_case_insensitive";
}
return nullptr;
}
const char *llvm::dwarf::ConventionString(unsigned Convention) {
switch (Convention) {
case DW_CC_normal: return "DW_CC_normal";
case DW_CC_program: return "DW_CC_program";
case DW_CC_nocall: return "DW_CC_nocall";
case DW_CC_lo_user: return "DW_CC_lo_user";
case DW_CC_hi_user: return "DW_CC_hi_user";
}
return nullptr;
}
const char *llvm::dwarf::InlineCodeString(unsigned Code) {
switch (Code) {
case DW_INL_not_inlined: return "DW_INL_not_inlined";
case DW_INL_inlined: return "DW_INL_inlined";
case DW_INL_declared_not_inlined: return "DW_INL_declared_not_inlined";
case DW_INL_declared_inlined: return "DW_INL_declared_inlined";
}
return nullptr;
}
const char *llvm::dwarf::ArrayOrderString(unsigned Order) {
switch (Order) {
case DW_ORD_row_major: return "DW_ORD_row_major";
case DW_ORD_col_major: return "DW_ORD_col_major";
}
return nullptr;
}
const char *llvm::dwarf::DiscriminantString(unsigned Discriminant) {
switch (Discriminant) {
case DW_DSC_label: return "DW_DSC_label";
case DW_DSC_range: return "DW_DSC_range";
}
return nullptr;
}
const char *llvm::dwarf::LNStandardString(unsigned Standard) {
switch (Standard) {
case DW_LNS_copy: return "DW_LNS_copy";
case DW_LNS_advance_pc: return "DW_LNS_advance_pc";
case DW_LNS_advance_line: return "DW_LNS_advance_line";
case DW_LNS_set_file: return "DW_LNS_set_file";
case DW_LNS_set_column: return "DW_LNS_set_column";
case DW_LNS_negate_stmt: return "DW_LNS_negate_stmt";
case DW_LNS_set_basic_block: return "DW_LNS_set_basic_block";
case DW_LNS_const_add_pc: return "DW_LNS_const_add_pc";
case DW_LNS_fixed_advance_pc: return "DW_LNS_fixed_advance_pc";
case DW_LNS_set_prologue_end: return "DW_LNS_set_prologue_end";
case DW_LNS_set_epilogue_begin: return "DW_LNS_set_epilogue_begin";
case DW_LNS_set_isa: return "DW_LNS_set_isa";
}
return nullptr;
}
const char *llvm::dwarf::LNExtendedString(unsigned Encoding) {
switch (Encoding) {
// Line Number Extended Opcode Encodings
case DW_LNE_end_sequence: return "DW_LNE_end_sequence";
case DW_LNE_set_address: return "DW_LNE_set_address";
case DW_LNE_define_file: return "DW_LNE_define_file";
case DW_LNE_set_discriminator: return "DW_LNE_set_discriminator";
case DW_LNE_lo_user: return "DW_LNE_lo_user";
case DW_LNE_hi_user: return "DW_LNE_hi_user";
}
return nullptr;
}
const char *llvm::dwarf::MacinfoString(unsigned Encoding) {
switch (Encoding) {
// Macinfo Type Encodings
case DW_MACINFO_define: return "DW_MACINFO_define";
case DW_MACINFO_undef: return "DW_MACINFO_undef";
case DW_MACINFO_start_file: return "DW_MACINFO_start_file";
case DW_MACINFO_end_file: return "DW_MACINFO_end_file";
case DW_MACINFO_vendor_ext: return "DW_MACINFO_vendor_ext";
}
return nullptr;
}
const char *llvm::dwarf::CallFrameString(unsigned Encoding) {
switch (Encoding) {
case DW_CFA_nop: return "DW_CFA_nop";
case DW_CFA_advance_loc: return "DW_CFA_advance_loc";
case DW_CFA_offset: return "DW_CFA_offset";
case DW_CFA_restore: return "DW_CFA_restore";
case DW_CFA_set_loc: return "DW_CFA_set_loc";
case DW_CFA_advance_loc1: return "DW_CFA_advance_loc1";
case DW_CFA_advance_loc2: return "DW_CFA_advance_loc2";
case DW_CFA_advance_loc4: return "DW_CFA_advance_loc4";
case DW_CFA_offset_extended: return "DW_CFA_offset_extended";
case DW_CFA_restore_extended: return "DW_CFA_restore_extended";
case DW_CFA_undefined: return "DW_CFA_undefined";
case DW_CFA_same_value: return "DW_CFA_same_value";
case DW_CFA_register: return "DW_CFA_register";
case DW_CFA_remember_state: return "DW_CFA_remember_state";
case DW_CFA_restore_state: return "DW_CFA_restore_state";
case DW_CFA_def_cfa: return "DW_CFA_def_cfa";
case DW_CFA_def_cfa_register: return "DW_CFA_def_cfa_register";
case DW_CFA_def_cfa_offset: return "DW_CFA_def_cfa_offset";
case DW_CFA_def_cfa_expression: return "DW_CFA_def_cfa_expression";
case DW_CFA_expression: return "DW_CFA_expression";
case DW_CFA_offset_extended_sf: return "DW_CFA_offset_extended_sf";
case DW_CFA_def_cfa_sf: return "DW_CFA_def_cfa_sf";
case DW_CFA_def_cfa_offset_sf: return "DW_CFA_def_cfa_offset_sf";
case DW_CFA_val_offset: return "DW_CFA_val_offset";
case DW_CFA_val_offset_sf: return "DW_CFA_val_offset_sf";
case DW_CFA_val_expression: return "DW_CFA_val_expression";
case DW_CFA_MIPS_advance_loc8: return "DW_CFA_MIPS_advance_loc8";
case DW_CFA_GNU_window_save: return "DW_CFA_GNU_window_save";
case DW_CFA_GNU_args_size: return "DW_CFA_GNU_args_size";
case DW_CFA_lo_user: return "DW_CFA_lo_user";
case DW_CFA_hi_user: return "DW_CFA_hi_user";
}
return nullptr;
}
const char *llvm::dwarf::ApplePropertyString(unsigned Prop) {
switch (Prop) {
case DW_APPLE_PROPERTY_readonly:
return "DW_APPLE_PROPERTY_readonly";
case DW_APPLE_PROPERTY_getter:
return "DW_APPLE_PROPERTY_getter";
case DW_APPLE_PROPERTY_assign:
return "DW_APPLE_PROPERTY_assign";
case DW_APPLE_PROPERTY_readwrite:
return "DW_APPLE_PROPERTY_readwrite";
case DW_APPLE_PROPERTY_retain:
return "DW_APPLE_PROPERTY_retain";
case DW_APPLE_PROPERTY_copy:
return "DW_APPLE_PROPERTY_copy";
case DW_APPLE_PROPERTY_nonatomic:
return "DW_APPLE_PROPERTY_nonatomic";
case DW_APPLE_PROPERTY_setter:
return "DW_APPLE_PROPERTY_setter";
case DW_APPLE_PROPERTY_atomic:
return "DW_APPLE_PROPERTY_atomic";
case DW_APPLE_PROPERTY_weak:
return "DW_APPLE_PROPERTY_weak";
case DW_APPLE_PROPERTY_strong:
return "DW_APPLE_PROPERTY_strong";
case DW_APPLE_PROPERTY_unsafe_unretained:
return "DW_APPLE_PROPERTY_unsafe_unretained";
}
return nullptr;
}
const char *llvm::dwarf::AtomTypeString(unsigned AT) {
switch (AT) {
case dwarf::DW_ATOM_null:
return "DW_ATOM_null";
case dwarf::DW_ATOM_die_offset:
return "DW_ATOM_die_offset";
case DW_ATOM_cu_offset:
return "DW_ATOM_cu_offset";
case DW_ATOM_die_tag:
return "DW_ATOM_die_tag";
case DW_ATOM_type_flags:
return "DW_ATOM_type_flags";
}
return nullptr;
}
const char *llvm::dwarf::GDBIndexEntryKindString(GDBIndexEntryKind Kind) {
switch (Kind) {
case GIEK_NONE:
return "NONE";
case GIEK_TYPE:
return "TYPE";
case GIEK_VARIABLE:
return "VARIABLE";
case GIEK_FUNCTION:
return "FUNCTION";
case GIEK_OTHER:
return "OTHER";
case GIEK_UNUSED5:
return "UNUSED5";
case GIEK_UNUSED6:
return "UNUSED6";
case GIEK_UNUSED7:
return "UNUSED7";
}
llvm_unreachable("Unknown GDBIndexEntryKind value");
}
const char *llvm::dwarf::GDBIndexEntryLinkageString(GDBIndexEntryLinkage Linkage) {
switch (Linkage) {
case GIEL_EXTERNAL:
return "EXTERNAL";
case GIEL_STATIC:
return "STATIC";
}
llvm_unreachable("Unknown GDBIndexEntryLinkage value");
}
const char *llvm::dwarf::AttributeValueString(uint16_t Attr, unsigned Val) {
switch (Attr) {
case DW_AT_accessibility:
return AccessibilityString(Val);
case DW_AT_virtuality:
return VirtualityString(Val);
case DW_AT_language:
return LanguageString(Val);
case DW_AT_encoding:
return AttributeEncodingString(Val);
case DW_AT_decimal_sign:
return DecimalSignString(Val);
case DW_AT_endianity:
return EndianityString(Val);
case DW_AT_visibility:
return VisibilityString(Val);
case DW_AT_identifier_case:
return CaseString(Val);
case DW_AT_calling_convention:
return ConventionString(Val);
case DW_AT_inline:
return InlineCodeString(Val);
case DW_AT_ordering:
return ArrayOrderString(Val);
case DW_AT_discr_value:
return DiscriminantString(Val);
}
return nullptr;
}
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