# RUN: llvm-mc < %s -filetype obj -triple x86_64 -o - \
# RUN: | llvm-dwarfdump - | FileCheck %s
# Hand-written assembly roughly equivalent to this source code:
#
# struct t1 { };
# struct t2 { };
# template<typename ...T>
# struct S {};
# S<t1, t2, t1> s;
#
# To cover various scenarios, the test uses a mixture of DWARF v4 and v5 type
# units, and of llvm and gcc styles of referring to them.
# CHECK: DW_TAG_variable
# CHECK-NEXT: DW_AT_name ("s")
# CHECK-NEXT: DW_AT_type ({{.*}} "S<t1, t2, t1>")
# CHECK: DW_TAG_template_type_parameter
# CHECK-NEXT: DW_AT_type ({{.*}} "t1")
# CHECK: DW_TAG_template_type_parameter
# CHECK-NEXT: DW_AT_type ({{.*}} "t2")
# CHECK: DW_TAG_template_type_parameter
# CHECK-NEXT: DW_AT_type (0xdeadbeef00000001 "t1")
.set S_sig, 0xdeadbeef00000000
.set t1_sig, 0xdeadbeef00000001
.set t2_sig, 0xdeadbeef00000002
.section .debug_types,"G",@progbits,t1_sig,comdat
.Ltu_begin0:
.long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
.Ldebug_info_start0:
.short 4 # DWARF version number
.long .debug_abbrev # Offset Into Abbrev. Section
.byte 8 # Address Size (in bytes)
.quad t1_sig # Type Signature
.long .Lt1_def-.Ltu_begin0 # Type DIE Offset
.byte 10 # Abbrev [10] DW_TAG_type_unit
.short 33 # DW_AT_language
.Lt1_def:
.byte 11 # Abbrev [11] DW_TAG_structure_type
.long .Linfo_string6 # DW_AT_name
.byte 1 # DW_AT_byte_size
.byte 0 # End Of Children Mark
.Ldebug_info_end0:
.section .debug_info,"G",@progbits,t2_sig,comdat
.Ltu_begin1:
.long .Ldebug_info_end1-.Ldebug_info_start1 # Length of Unit
.Ldebug_info_start1:
.short 5 # DWARF version number
.byte 2 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
.quad t2_sig # Type Signature
.long .Lt2_def-.Ltu_begin1 # Type DIE Offset
.byte 1 # Abbrev [1] 0x18:0x12 DW_TAG_type_unit
.short 33 # DW_AT_language
.long .Lstr_offsets_base0 # DW_AT_str_offsets_base
.Lt2_def:
.byte 2 # Abbrev [2] 0x23:0x6 DW_TAG_structure_type
.byte 7 # DW_AT_name
.byte 1 # DW_AT_byte_size
.byte 0 # End Of Children Mark
.Ldebug_info_end1:
.section .debug_abbrev,"",@progbits
.byte 1 # Abbreviation Code
.byte 65 # DW_TAG_type_unit
.byte 1 # DW_CHILDREN_yes
.byte 19 # DW_AT_language
.byte 5 # DW_FORM_data2
.byte 114 # DW_AT_str_offsets_base
.byte 23 # DW_FORM_sec_offset
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 2 # Abbreviation Code
.byte 19 # DW_TAG_structure_type
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 11 # DW_AT_byte_size
.byte 11 # DW_FORM_data1
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 3 # 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 27 # DW_AT_comp_dir
.byte 37 # DW_FORM_strx1
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 4 # Abbreviation Code
.byte 52 # DW_TAG_variable
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 8 # DW_FORM_string
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 6 # Abbreviation Code
.ascii "\207\202\001" # DW_TAG_GNU_template_parameter_pack
.byte 1 # DW_CHILDREN_yes
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 7 # Abbreviation Code
.byte 47 # DW_TAG_template_type_parameter
.byte 0 # DW_CHILDREN_no
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 8 # 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 9 # Abbreviation Code
.byte 19 # DW_TAG_structure_type
.byte 0 # DW_CHILDREN_no
.byte 60 # DW_AT_declaration
.byte 25 # DW_FORM_flag_present
.byte 105 # DW_AT_signature
.byte 32 # DW_FORM_ref_sig8
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 10 # Abbreviation Code
.byte 65 # DW_TAG_type_unit
.byte 1 # DW_CHILDREN_yes
.byte 19 # DW_AT_language
.byte 5 # DW_FORM_data2
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 11 # Abbreviation Code
.byte 19 # DW_TAG_structure_type
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 14 # DW_FORM_strp
.byte 11 # DW_AT_byte_size
.byte 11 # DW_FORM_data1
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 12 # Abbreviation Code
.byte 47 # DW_TAG_template_type_parameter
.byte 0 # DW_CHILDREN_no
.byte 73 # DW_AT_type
.byte 32 # DW_FORM_ref_sig8
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 13 # Abbreviation Code
.byte 19 # DW_TAG_structure_type
.byte 1 # DW_CHILDREN_yes
.byte 3 # DW_AT_name
.byte 8 # DW_FORM_string
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 0 # EOM(3)
.section .debug_info,"",@progbits
.Lcu_begin0:
.long .Ldebug_info_end2-.Ldebug_info_start2 # Length of Unit
.Ldebug_info_start2:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
.byte 3 # Abbrev [3] 0xc:0x5f 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
.byte 2 # DW_AT_comp_dir
.byte 4 # Abbrev [4] DW_TAG_variable
.asciz "s" # DW_AT_name
.long .LS_decl-.Lcu_begin0 # DW_AT_type
.LS_decl:
.byte 9 # Abbrev [9] DW_TAG_structure_type
.quad S_sig # DW_AT_signature
.byte 8 # Abbrev [8] 0x54:0x4 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_end2:
.section .debug_info,"G",@progbits,S_sig,comdat
.Ltu_begin2:
.long .Ldebug_info_end3-.Ldebug_info_start3 # Length of Unit
.Ldebug_info_start3:
.short 5 # DWARF version number
.byte 2 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
.quad S_sig # Type Signature
.long .LS_def-.Ltu_begin2 # Type DIE Offset
.byte 1 # Abbrev [1] DW_TAG_type_unit
.short 33 # DW_AT_language
.long .Lstr_offsets_base0 # DW_AT_str_offsets_base
.LS_def:
.byte 13 # Abbrev [13] DW_TAG_structure_type
.asciz "S" # DW_AT_name (simplified template name)
.byte 6 # Abbrev [6] 0x46:0xd DW_TAG_GNU_template_parameter_pack
.byte 5 # DW_AT_name
.byte 7 # Abbrev [7] 0x48:0x5 DW_TAG_template_type_parameter
.long .Lt1_decl-.Ltu_begin2 # DW_AT_type
.byte 7 # Abbrev [7] 0x4d:0x5 DW_TAG_template_type_parameter
.long .Lt2_decl-.Ltu_begin2 # DW_AT_type
# Simulate DWARF emitted by GCC where the signature is directly in the type attribute.
.byte 12 # Abbrev [12] DW_TAG_template_type_parameter
.quad t1_sig # DW_AT_type
.byte 0 # End Of Children Mark
.byte 0 # End Of Children Mark
.Lt1_decl:
.byte 9 # Abbrev [9] 0x58:0x9 DW_TAG_structure_type
# DW_AT_declaration
.quad t1_sig # DW_AT_signature
.Lt2_decl:
.byte 9 # Abbrev [9] 0x61:0x9 DW_TAG_structure_type
# DW_AT_declaration
.quad t2_sig # DW_AT_signature
.byte 0 # End Of Children Mark
.Ldebug_info_end3:
.section .debug_str_offsets,"",@progbits
.long .Lstr_offsets_end-.Lstr_offsets_start # Length of String Offsets Set
.Lstr_offsets_start:
.short 5
.short 0
.Lstr_offsets_base0:
.section .debug_str,"MS",@progbits,1
.Linfo_string0:
.asciz "hand-written DWARF"
.Linfo_string1:
.asciz "test.cpp"
.Linfo_string2:
.asciz "/tmp"
.Linfo_string3:
.asciz "S"
.Linfo_string4:
.asciz "int"
.Linfo_string5:
.asciz "T"
.Linfo_string6:
.asciz "t1"
.Linfo_string7:
.asciz "t2"
.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_string6
.long .Linfo_string7
.Lstr_offsets_end:
Codebase Browser
llvm