llvm-project/bolt/test/X86/dwarf5-debug-names-union.test
Alexander Yermolovich 50c0e679b9
[BOLT][DWARF] Add support for DW_TAG_union_type to DebugNames. (#119023)
Adding support for DW_TAG_union_type for DebugNames acceleration tables.
2024-12-06 15:45:52 -08:00

497 lines
22 KiB
Plaintext

# RUN: llvm-mc -dwarf-version=5 -filetype=obj -triple x86_64-unknown-linux %s -o %tmain.o
# RUN: %clang %cflags -gdwarf-5 %tmain.o -o %tmain.exe
# RUN: llvm-bolt %tmain.exe -o %tmain.exe.bolt --update-debug-sections
# RUN: llvm-dwarfdump --debug-names %tmain.exe.bolt > %tlog.txt
# RUN: cat %tlog.txt | FileCheck -check-prefix=BOLT %s
## This test checks that bolt correctly generates entry for DW_TAG_union_type for .debug_name section.
# BOLT: Abbreviations [
# BOLT-NEXT: Abbreviation [[ABBREV1:0x[0-9a-f]*]] {
# BOLT-NEXT: Tag: DW_TAG_subprogram
# BOLT-NEXT: DW_IDX_die_offset: DW_FORM_ref4
# BOLT-NEXT: DW_IDX_parent: DW_FORM_flag_present
# BOLT-NEXT: }
# BOLT-NEXT: Abbreviation [[ABBREV2:0x[0-9a-f]*]] {
# BOLT-NEXT: Tag: DW_TAG_base_type
# BOLT-NEXT: DW_IDX_die_offset: DW_FORM_ref4
# BOLT-NEXT: DW_IDX_parent: DW_FORM_flag_present
# BOLT-NEXT: }
# BOLT-NEXT: Abbreviation [[ABBREV3:0x[0-9a-f]*]] {
# BOLT-NEXT: Tag: DW_TAG_union_type
# BOLT-NEXT: DW_IDX_die_offset: DW_FORM_ref4
# BOLT-NEXT: DW_IDX_parent: DW_FORM_ref4
# BOLT-NEXT: }
# BOLT-NEXT: Abbreviation [[ABBREV4:0x[0-9a-f]*]] {
# BOLT-NEXT: Tag: DW_TAG_structure_type
# BOLT-NEXT: DW_IDX_die_offset: DW_FORM_ref4
# BOLT-NEXT: DW_IDX_parent: DW_FORM_ref4
# BOLT-NEXT: }
# BOLT-NEXT: ]
# BOLT-NEXT: Bucket 0 [
# BOLT-NEXT: EMPTY
# BOLT-NEXT: ]
# BOLT-NEXT: Bucket 1 [
# BOLT-NEXT: Name 1 {
# BOLT-NEXT: Hash: 0x7C9A7F6A
# BOLT-NEXT: String: {{.+}} "main"
# BOLT-NEXT: Entry @ [[ENTRY:0x[0-9a-f]*]] {
# BOLT-NEXT: Abbrev: [[ABBREV1]]
# BOLT-NEXT: Tag: DW_TAG_subprogram
# BOLT-NEXT: DW_IDX_die_offset: 0x00000024
# BOLT-NEXT: DW_IDX_parent: <parent not indexed>
# BOLT-NEXT: }
# BOLT-NEXT: }
# BOLT-NEXT: ]
# BOLT-NEXT: Bucket 2 [
# BOLT-NEXT: EMPTY
# BOLT-NEXT: ]
# BOLT-NEXT: Bucket 3 [
# BOLT-NEXT: Name 2 {
# BOLT-NEXT: Hash: 0xB888030
# BOLT-NEXT: String: {{.+}} "int"
# BOLT-NEXT: Entry @ {{.+}} {
# BOLT-NEXT: Abbrev: [[ABBREV2]]
# BOLT-NEXT: Tag: DW_TAG_base_type
# BOLT-NEXT: DW_IDX_die_offset: 0x00000083
# BOLT-NEXT: DW_IDX_parent: <parent not indexed>
# BOLT-NEXT: }
# BOLT-NEXT: }
# BOLT-NEXT: Name 3 {
# BOLT-NEXT: Hash: 0xED0F01B4
# BOLT-NEXT: String: {{.+}} "MyUnion"
# BOLT-NEXT: Entry @ {{.+}} {
# BOLT-NEXT: Abbrev: [[ABBREV3]]
# BOLT-NEXT: Tag: DW_TAG_union_type
# BOLT-NEXT: DW_IDX_die_offset: 0x00000049
# BOLT-NEXT: DW_IDX_parent: Entry @ [[ENTRY]]
# BOLT-NEXT: }
# BOLT-NEXT: }
# BOLT-NEXT: ]
# BOLT-NEXT: Bucket 4 [
# BOLT-NEXT: Name 4 {
# BOLT-NEXT: Hash: 0x8AB681F0
# BOLT-NEXT: String: {{.+}} "MyStruct"
# BOLT-NEXT: Entry @ [[ENTRY2:0x[0-9a-f]*]] {
# BOLT-NEXT: Abbrev: [[ABBREV4]]
# BOLT-NEXT: Tag: DW_TAG_structure_type
# BOLT-NEXT: DW_IDX_die_offset: 0x00000062
# BOLT-NEXT: DW_IDX_parent: Entry @ [[ENTRY]]
# BOLT-NEXT: }
# BOLT-NEXT: }
# BOLT-NEXT: Name 5 {
# BOLT-NEXT: Hash: 0x8EEF3866
# BOLT-NEXT: String: {{.+}} "MyUnion2"
# BOLT-NEXT: Entry @ {{.+}} {
# BOLT-NEXT: Abbrev: [[ABBREV3]]
# BOLT-NEXT: Tag: DW_TAG_union_type
# BOLT-NEXT: DW_IDX_die_offset: 0x00000071
# BOLT-NEXT: DW_IDX_parent: Entry @ [[ENTRY2]]
## int main() {
## union MyUnion {
## int a;
## int b;
## };
## struct MyStruct {
## union MyUnion2 {
## int a;
## };
## MyUnion2 myUnion2;
## };
## MyUnion myEnum;
## myEnum.a = 5;
## MyStruct myStruct;
## return myEnum.a + myStruct.myUnion2.a;
## }
.text
.file "main.cpp"
.globl main # -- Begin function main
.p2align 4, 0x90
.type main,@function
main: # @main
.Lfunc_begin0:
.file 0 "union" "main.cpp" md5 0xb75b2512f2daa57bbcfe0c29f56d95f4
.loc 0 1 0 # main.cpp:1:0
retq
.Lfunc_end0:
.size main, .-main
# -- End function
.section .debug_abbrev,"",@progbits
.byte 1 # Abbreviation Code
.byte 17 # DW_TAG_compile_unit
.byte 1 # DW_CHILDREN_yes
.byte 37 # DW_AT_producer
.byte 37 # DW_FORM_strx1
.byte 19 # DW_AT_language
.byte 5 # DW_FORM_data2
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 114 # DW_AT_str_offsets_base
.byte 23 # DW_FORM_sec_offset
.byte 16 # DW_AT_stmt_list
.byte 23 # DW_FORM_sec_offset
.byte 27 # DW_AT_comp_dir
.byte 37 # DW_FORM_strx1
.byte 17 # DW_AT_low_pc
.byte 27 # DW_FORM_addrx
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 115 # DW_AT_addr_base
.byte 23 # DW_FORM_sec_offset
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 2 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_CHILDREN_yes
.byte 17 # DW_AT_low_pc
.byte 27 # DW_FORM_addrx
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 64 # DW_AT_frame_base
.byte 24 # DW_FORM_exprloc
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 63 # DW_AT_external
.byte 25 # DW_FORM_flag_present
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 3 # Abbreviation Code
.byte 52 # DW_TAG_variable
.byte 0 # DW_CHILDREN_no
.byte 2 # DW_AT_location
.byte 24 # DW_FORM_exprloc
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 4 # Abbreviation Code
.byte 23 # DW_TAG_union_type
.byte 1 # DW_CHILDREN_yes
.byte 54 # DW_AT_calling_convention
.byte 11 # DW_FORM_data1
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 11 # DW_AT_byte_size
.byte 11 # DW_FORM_data1
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 5 # Abbreviation Code
.byte 13 # DW_TAG_member
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 56 # DW_AT_data_member_location
.byte 11 # DW_FORM_data1
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 6 # Abbreviation Code
.byte 19 # DW_TAG_structure_type
.byte 1 # DW_CHILDREN_yes
.byte 54 # DW_AT_calling_convention
.byte 11 # DW_FORM_data1
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 11 # DW_AT_byte_size
.byte 11 # DW_FORM_data1
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 7 # Abbreviation Code
.byte 36 # DW_TAG_base_type
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 62 # DW_AT_encoding
.byte 11 # DW_FORM_data1
.byte 11 # DW_AT_byte_size
.byte 11 # DW_FORM_data1
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 0 # EOM(3)
.section .debug_info,"",@progbits
.Lcu_begin0:
.long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
.Ldebug_info_start0:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
.byte 1 # Abbrev [1] 0xc:0x7b DW_TAG_compile_unit
.byte 0 # DW_AT_producer
.short 33 # DW_AT_language
.byte 1 # DW_AT_name
.long .Lstr_offsets_base0 # DW_AT_str_offsets_base
.long .Lline_table_start0 # DW_AT_stmt_list
.byte 2 # DW_AT_comp_dir
.byte 0 # DW_AT_low_pc
.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
.long .Laddr_table_base0 # DW_AT_addr_base
.byte 2 # Abbrev [2] 0x23:0x5f DW_TAG_subprogram
.byte 0 # DW_AT_low_pc
.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
.byte 1 # DW_AT_frame_base
.byte 86
.byte 3 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 1 # DW_AT_decl_line
.long 130 # DW_AT_type
# DW_AT_external
.byte 3 # Abbrev [3] 0x32:0xb DW_TAG_variable
.byte 2 # DW_AT_location
.byte 145
.byte 120
.byte 5 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 12 # DW_AT_decl_line
.long 72 # DW_AT_type
.byte 3 # Abbrev [3] 0x3d:0xb DW_TAG_variable
.byte 2 # DW_AT_location
.byte 145
.byte 116
.byte 9 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 14 # DW_AT_decl_line
.long 97 # DW_AT_type
.byte 4 # Abbrev [4] 0x48:0x19 DW_TAG_union_type
.byte 5 # DW_AT_calling_convention
.byte 8 # DW_AT_name
.byte 4 # DW_AT_byte_size
.byte 0 # DW_AT_decl_file
.byte 2 # DW_AT_decl_line
.byte 5 # Abbrev [5] 0x4e:0x9 DW_TAG_member
.byte 6 # DW_AT_name
.long 130 # DW_AT_type
.byte 0 # DW_AT_decl_file
.byte 3 # DW_AT_decl_line
.byte 0 # DW_AT_data_member_location
.byte 5 # Abbrev [5] 0x57:0x9 DW_TAG_member
.byte 7 # DW_AT_name
.long 130 # DW_AT_type
.byte 0 # DW_AT_decl_file
.byte 4 # DW_AT_decl_line
.byte 0 # DW_AT_data_member_location
.byte 0 # End Of Children Mark
.byte 6 # Abbrev [6] 0x61:0x20 DW_TAG_structure_type
.byte 5 # DW_AT_calling_convention
.byte 12 # DW_AT_name
.byte 4 # DW_AT_byte_size
.byte 0 # DW_AT_decl_file
.byte 6 # DW_AT_decl_line
.byte 5 # Abbrev [5] 0x67:0x9 DW_TAG_member
.byte 10 # DW_AT_name
.long 112 # DW_AT_type
.byte 0 # DW_AT_decl_file
.byte 10 # DW_AT_decl_line
.byte 0 # DW_AT_data_member_location
.byte 4 # Abbrev [4] 0x70:0x10 DW_TAG_union_type
.byte 5 # DW_AT_calling_convention
.byte 11 # DW_AT_name
.byte 4 # DW_AT_byte_size
.byte 0 # DW_AT_decl_file
.byte 7 # DW_AT_decl_line
.byte 5 # Abbrev [5] 0x76:0x9 DW_TAG_member
.byte 6 # DW_AT_name
.long 130 # DW_AT_type
.byte 0 # DW_AT_decl_file
.byte 8 # DW_AT_decl_line
.byte 0 # DW_AT_data_member_location
.byte 0 # End Of Children Mark
.byte 0 # End Of Children Mark
.byte 0 # End Of Children Mark
.byte 7 # Abbrev [7] 0x82:0x4 DW_TAG_base_type
.byte 4 # DW_AT_name
.byte 5 # DW_AT_encoding
.byte 4 # DW_AT_byte_size
.byte 0 # End Of Children Mark
.Ldebug_info_end0:
.section .debug_str_offsets,"",@progbits
.long 56 # Length of String Offsets Set
.short 5
.short 0
.Lstr_offsets_base0:
.section .debug_str,"MS",@progbits,1
.Linfo_string0:
.asciz "clang version 20.0.0git" # string offset=0
.Linfo_string1:
.asciz "main.cpp" # string offset=24
.Linfo_string2:
.asciz "union" # string offset=33
.Linfo_string3:
.asciz "main" # string offset=77
.Linfo_string4:
.asciz "int" # string offset=82
.Linfo_string5:
.asciz "myEnum" # string offset=86
.Linfo_string6:
.asciz "MyUnion" # string offset=93
.Linfo_string7:
.asciz "a" # string offset=101
.Linfo_string8:
.asciz "b" # string offset=103
.Linfo_string9:
.asciz "myStruct" # string offset=105
.Linfo_string10:
.asciz "MyStruct" # string offset=114
.Linfo_string11:
.asciz "myUnion2" # string offset=123
.Linfo_string12:
.asciz "MyUnion2" # string offset=132
.section .debug_str_offsets,"",@progbits
.long .Linfo_string0
.long .Linfo_string1
.long .Linfo_string2
.long .Linfo_string3
.long .Linfo_string4
.long .Linfo_string5
.long .Linfo_string7
.long .Linfo_string8
.long .Linfo_string6
.long .Linfo_string9
.long .Linfo_string11
.long .Linfo_string12
.long .Linfo_string10
.section .debug_addr,"",@progbits
.long .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution
.Ldebug_addr_start0:
.short 5 # DWARF version number
.byte 8 # Address size
.byte 0 # Segment selector size
.Laddr_table_base0:
.quad .Lfunc_begin0
.Ldebug_addr_end0:
.section .debug_names,"",@progbits
.long .Lnames_end0-.Lnames_start0 # Header: unit length
.Lnames_start0:
.short 5 # Header: version
.short 0 # Header: padding
.long 1 # Header: compilation unit count
.long 0 # Header: local type unit count
.long 0 # Header: foreign type unit count
.long 5 # Header: bucket count
.long 5 # Header: name count
.long .Lnames_abbrev_end0-.Lnames_abbrev_start0 # Header: abbreviation table size
.long 8 # Header: augmentation string size
.ascii "LLVM0700" # Header: augmentation string
.long .Lcu_begin0 # Compilation unit 0
.long 0 # Bucket 0
.long 1 # Bucket 1
.long 0 # Bucket 2
.long 2 # Bucket 3
.long 4 # Bucket 4
.long 2090499946 # Hash in Bucket 1
.long 193495088 # Hash in Bucket 3
.long -317783628 # Hash in Bucket 3
.long -1967750672 # Hash in Bucket 4
.long -1896925082 # Hash in Bucket 4
.long .Linfo_string3 # String in Bucket 1: main
.long .Linfo_string4 # String in Bucket 3: int
.long .Linfo_string6 # String in Bucket 3: MyUnion
.long .Linfo_string10 # String in Bucket 4: MyStruct
.long .Linfo_string12 # String in Bucket 4: MyUnion2
.long .Lnames0-.Lnames_entries0 # Offset in Bucket 1
.long .Lnames1-.Lnames_entries0 # Offset in Bucket 3
.long .Lnames2-.Lnames_entries0 # Offset in Bucket 3
.long .Lnames3-.Lnames_entries0 # Offset in Bucket 4
.long .Lnames4-.Lnames_entries0 # Offset in Bucket 4
.Lnames_abbrev_start0:
.byte 1 # Abbrev code
.byte 46 # DW_TAG_subprogram
.byte 3 # DW_IDX_die_offset
.byte 19 # DW_FORM_ref4
.byte 4 # DW_IDX_parent
.byte 25 # DW_FORM_flag_present
.byte 0 # End of abbrev
.byte 0 # End of abbrev
.byte 2 # Abbrev code
.byte 36 # DW_TAG_base_type
.byte 3 # DW_IDX_die_offset
.byte 19 # DW_FORM_ref4
.byte 4 # DW_IDX_parent
.byte 25 # DW_FORM_flag_present
.byte 0 # End of abbrev
.byte 0 # End of abbrev
.byte 3 # Abbrev code
.byte 23 # DW_TAG_union_type
.byte 3 # DW_IDX_die_offset
.byte 19 # DW_FORM_ref4
.byte 4 # DW_IDX_parent
.byte 19 # DW_FORM_ref4
.byte 0 # End of abbrev
.byte 0 # End of abbrev
.byte 4 # Abbrev code
.byte 19 # DW_TAG_structure_type
.byte 3 # DW_IDX_die_offset
.byte 19 # DW_FORM_ref4
.byte 4 # DW_IDX_parent
.byte 19 # DW_FORM_ref4
.byte 0 # End of abbrev
.byte 0 # End of abbrev
.byte 0 # End of abbrev list
.Lnames_abbrev_end0:
.Lnames_entries0:
.Lnames0:
.L3:
.byte 1 # Abbreviation code
.long 35 # DW_IDX_die_offset
.byte 0 # DW_IDX_parent
# End of list: main
.Lnames1:
.L1:
.byte 2 # Abbreviation code
.long 130 # DW_IDX_die_offset
.byte 0 # DW_IDX_parent
# End of list: int
.Lnames2:
.L4:
.byte 3 # Abbreviation code
.long 72 # DW_IDX_die_offset
.long .L3-.Lnames_entries0 # DW_IDX_parent
.byte 0 # End of list: MyUnion
.Lnames3:
.L2:
.byte 4 # Abbreviation code
.long 97 # DW_IDX_die_offset
.long .L3-.Lnames_entries0 # DW_IDX_parent
.byte 0 # End of list: MyStruct
.Lnames4:
.L0:
.byte 3 # Abbreviation code
.long 112 # DW_IDX_die_offset
.long .L2-.Lnames_entries0 # DW_IDX_parent
.byte 0 # End of list: MyUnion2
.p2align 2, 0x0
.Lnames_end0:
.ident "clang version 20.0.0git"
.section ".note.GNU-stack","",@progbits
.addrsig
.section .debug_line,"",@progbits
.Lline_table_start0: