Compiler projects using llvm
# Binary and .o was generated by:
# 1) clang++ -g -gsplit-dwarf=single splitdwarf-single-issue.cpp -O3 -o splitdwarf-single-issue.s -S
# 2) Split in to two .s by making a copy and removing .dwo sections from skeleton .s.
#
# Input .cpp file
# __attribute__((nodebug)) __attribute__((optnone)) void f1() {
# }
#
# __attribute__((always_inline)) inline void f2() {
#
#   f1();
# }
#
# int main() {
#
#   f2();
# }

# RUN: rm -rf %t
# RUN: mkdir -p %t
# RUN: llvm-mc --filetype=obj --triple=x86_64-pc-linux %s -o %t/symbolize-debug-fission-single -g
# RUN: llvm-mc --filetype=obj --triple=x86_64-pc-linux %s --defsym INCDWO=1 -o %t/symbolize-debug-fission-single.o -g
# RUN: cd %t
# RUN: llvm-symbolizer  0x0000000000000011 -a --obj=%t/symbolize-debug-fission-single \
# RUN:   | FileCheck %s

# CHECK:      0x11
# CHECK-NEXT: f2()
# CHECK-NEXT: {{.*}}splitdwarf-single-issue.cpp:7:3
# CHECK-NEXT: main
# CHECK-NEXT: {{.*}}splitdwarf-single-issue.cpp:13:3

	.text
	.file	"splitdwarf-single-issue.cpp"
	.globl	_Z2f1v                          # -- Begin function _Z2f1v
	.p2align	4, 0x90
	.type	_Z2f1v,@function
_Z2f1v:                                 # @_Z2f1v
.Lfunc_begin0:
	.cfi_startproc
# %bb.0:                                # %entry
	retq
.Lfunc_end0:
	.size	_Z2f1v, .Lfunc_end0-_Z2f1v
	.cfi_endproc
                                        # -- End function
	.globl	main                            # -- Begin function main
	.p2align	4, 0x90
	.type	main,@function
main:                                   # @main
.Lfunc_begin1:
	.file	1 "." "splitdwarf-single-issue.cpp"
	.loc	1 11 0                          # splitdwarf-single-issue.cpp:11:0
	.cfi_startproc
# %bb.0:                                # %entry
	pushq	%rax
	.cfi_def_cfa_offset 16
.Ltmp0:
	.loc	1 7 3 prologue_end              # splitdwarf-single-issue.cpp:7:3
	callq	_Z2f1v
.Ltmp1:
	.loc	1 15 1                          # splitdwarf-single-issue.cpp:15:1
	xorl	%eax, %eax
	popq	%rcx
	.cfi_def_cfa_offset 8
	retq
.Ltmp2:
.Lfunc_end1:
	.size	main, .Lfunc_end1-main
	.cfi_endproc
                                        # -- End function
	.section	.debug_abbrev,"",@progbits
	.byte	1                               # Abbreviation Code
	.byte	17                              # DW_TAG_compile_unit
	.byte	0                               # DW_CHILDREN_no
	.byte	16                              # DW_AT_stmt_list
	.byte	23                              # DW_FORM_sec_offset
	.byte	27                              # DW_AT_comp_dir
	.byte	14                              # DW_FORM_strp
	.ascii	"\264B"                         # DW_AT_GNU_pubnames
	.byte	25                              # DW_FORM_flag_present
	.ascii	"\260B"                         # DW_AT_GNU_dwo_name
	.byte	14                              # DW_FORM_strp
	.ascii	"\261B"                         # DW_AT_GNU_dwo_id
	.byte	7                               # DW_FORM_data8
	.byte	17                              # DW_AT_low_pc
	.byte	1                               # DW_FORM_addr
	.byte	18                              # DW_AT_high_pc
	.byte	6                               # DW_FORM_data4
	.ascii	"\263B"                         # DW_AT_GNU_addr_base
	.byte	23                              # DW_FORM_sec_offset
	.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	4                               # DWARF version number
	.long	.debug_abbrev                   # Offset Into Abbrev. Section
	.byte	8                               # Address Size (in bytes)
	.byte	1                               # Abbrev [1] 0xb:0x25 DW_TAG_compile_unit
	.long	.Lline_table_start0             # DW_AT_stmt_list
	.long	.Lskel_string0                  # DW_AT_comp_dir
                                        # DW_AT_GNU_pubnames
	.long	.Lskel_string1                  # DW_AT_GNU_dwo_name
	.quad	-4321749769762995760            # DW_AT_GNU_dwo_id
	.quad	.Lfunc_begin1                   # DW_AT_low_pc
	.long	.Lfunc_end1-.Lfunc_begin1       # DW_AT_high_pc
	.long	.Laddr_table_base0              # DW_AT_GNU_addr_base
.Ldebug_info_end0:
	.section	.debug_str,"MS",@progbits,1
.Lskel_string0:
	.asciz	"." # string offset=0
.Lskel_string1:
	.asciz	"symbolize-debug-fission-single.o"     # string offset=37
	.section	.debug_addr,"",@progbits
.Laddr_table_base0:
	.quad	.Lfunc_begin1
	.quad	.Ltmp0
	.section	.debug_gnu_pubnames,"",@progbits
	.long	.LpubNames_end0-.LpubNames_start0 # Length of Public Names Info
.LpubNames_start0:
	.short	2                               # DWARF Version
	.long	.Lcu_begin0                     # Offset of Compilation Unit Info
	.long	48                              # Compilation Unit Length
	.long	31                              # DIE offset
	.byte	48                              # Attributes: FUNCTION, EXTERNAL
	.asciz	"main"                          # External Name
	.long	25                              # DIE offset
	.byte	48                              # Attributes: FUNCTION, EXTERNAL
	.asciz	"f2"                            # External Name
	.long	0                               # End Mark
.LpubNames_end0:
	.section	.debug_gnu_pubtypes,"",@progbits
	.long	.LpubTypes_end0-.LpubTypes_start0 # Length of Public Types Info
.LpubTypes_start0:
	.short	2                               # DWARF Version
	.long	.Lcu_begin0                     # Offset of Compilation Unit Info
	.long	48                              # Compilation Unit Length
	.long	60                              # DIE offset
	.byte	144                             # Attributes: TYPE, STATIC
	.asciz	"int"                           # External Name
	.long	0                               # End Mark
.LpubTypes_end0:
	.ident	"clang version 13.0.0 (https://github.com/llvm/llvm-project.git f0363d3d38b9a3b831b1bb6fa602eff54ac928fa)"
	.section	".note.GNU-stack","",@progbits
	.addrsig
	.section	.debug_line,"",@progbits
.Lline_table_start0:
.ifdef INCDWO
	.section	.debug_str.dwo,"eMS",@progbits,1
.Linfo_string0:
	.asciz	"_Z2f2v"                        # string offset=0
.Linfo_string1:
	.asciz	"f2"                            # string offset=7
.Linfo_string2:
	.asciz	"main"                          # string offset=10
.Linfo_string3:
	.asciz	"int"                           # string offset=15
.Linfo_string4:
	.asciz	"clang version 13.0.0 (https://github.com/llvm/llvm-project.git f0363d3d38b9a3b831b1bb6fa602eff54ac928fa)" # string offset=19
.Linfo_string5:
	.asciz	"splitdwarf-single-issue.cpp"   # string offset=124
.Linfo_string6:
	.asciz	"symbolize-debug-fission-single.o"     # string offset=152
	.section	.debug_str_offsets.dwo,"e",@progbits
	.long	0
	.long	7
	.long	10
	.long	15
	.long	19
	.long	124
	.long	152
	.section	.debug_info.dwo,"e",@progbits
	.long	.Ldebug_info_dwo_end0-.Ldebug_info_dwo_start0 # Length of Unit
.Ldebug_info_dwo_start0:
	.short	4                               # DWARF version number
	.long	0                               # Offset Into Abbrev. Section
	.byte	8                               # Address Size (in bytes)
	.byte	1                               # Abbrev [1] 0xb:0x36 DW_TAG_compile_unit
	.byte	4                               # DW_AT_producer
	.short	33                              # DW_AT_language
	.byte	5                               # DW_AT_name
	.byte	6                               # DW_AT_GNU_dwo_name
	.quad	-4321749769762995760            # DW_AT_GNU_dwo_id
	.byte	2                               # Abbrev [2] 0x19:0x6 DW_TAG_subprogram
	.byte	0                               # DW_AT_linkage_name
	.byte	1                               # DW_AT_name
	.byte	1                               # DW_AT_decl_file
	.byte	5                               # DW_AT_decl_line
                                        # DW_AT_external
	.byte	1                               # DW_AT_inline
	.byte	3                               # Abbrev [3] 0x1f:0x1d DW_TAG_subprogram
	.byte	0                               # DW_AT_low_pc
	.long	.Lfunc_end1-.Lfunc_begin1       # DW_AT_high_pc
	.byte	1                               # DW_AT_frame_base
	.byte	87
                                        # DW_AT_GNU_all_call_sites
	.byte	2                               # DW_AT_name
	.byte	1                               # DW_AT_decl_file
	.byte	11                              # DW_AT_decl_line
	.long	60                              # DW_AT_type
                                        # DW_AT_external
	.byte	4                               # Abbrev [4] 0x2e:0xd DW_TAG_inlined_subroutine
	.long	25                              # DW_AT_abstract_origin
	.byte	1                               # DW_AT_low_pc
	.long	.Ltmp1-.Ltmp0                   # DW_AT_high_pc
	.byte	1                               # DW_AT_call_file
	.byte	13                              # DW_AT_call_line
	.byte	3                               # DW_AT_call_column
	.byte	0                               # End Of Children Mark
	.byte	5                               # Abbrev [5] 0x3c:0x4 DW_TAG_base_type
	.byte	3                               # DW_AT_name
	.byte	5                               # DW_AT_encoding
	.byte	4                               # DW_AT_byte_size
	.byte	0                               # End Of Children Mark
.Ldebug_info_dwo_end0:
	.section	.debug_abbrev.dwo,"e",@progbits
	.byte	1                               # Abbreviation Code
	.byte	17                              # DW_TAG_compile_unit
	.byte	1                               # DW_CHILDREN_yes
	.byte	37                              # DW_AT_producer
	.ascii	"\202>"                         # DW_FORM_GNU_str_index
	.byte	19                              # DW_AT_language
	.byte	5                               # DW_FORM_data2
	.byte	3                               # DW_AT_name
	.ascii	"\202>"                         # DW_FORM_GNU_str_index
	.ascii	"\260B"                         # DW_AT_GNU_dwo_name
	.ascii	"\202>"                         # DW_FORM_GNU_str_index
	.ascii	"\261B"                         # DW_AT_GNU_dwo_id
	.byte	7                               # DW_FORM_data8
	.byte	0                               # EOM(1)
	.byte	0                               # EOM(2)
	.byte	2                               # Abbreviation Code
	.byte	46                              # DW_TAG_subprogram
	.byte	0                               # DW_CHILDREN_no
	.byte	110                             # DW_AT_linkage_name
	.ascii	"\202>"                         # DW_FORM_GNU_str_index
	.byte	3                               # DW_AT_name
	.ascii	"\202>"                         # DW_FORM_GNU_str_index
	.byte	58                              # DW_AT_decl_file
	.byte	11                              # DW_FORM_data1
	.byte	59                              # DW_AT_decl_line
	.byte	11                              # DW_FORM_data1
	.byte	63                              # DW_AT_external
	.byte	25                              # DW_FORM_flag_present
	.byte	32                              # DW_AT_inline
	.byte	11                              # DW_FORM_data1
	.byte	0                               # EOM(1)
	.byte	0                               # EOM(2)
	.byte	3                               # Abbreviation Code
	.byte	46                              # DW_TAG_subprogram
	.byte	1                               # DW_CHILDREN_yes
	.byte	17                              # DW_AT_low_pc
	.ascii	"\201>"                         # DW_FORM_GNU_addr_index
	.byte	18                              # DW_AT_high_pc
	.byte	6                               # DW_FORM_data4
	.byte	64                              # DW_AT_frame_base
	.byte	24                              # DW_FORM_exprloc
	.ascii	"\227B"                         # DW_AT_GNU_all_call_sites
	.byte	25                              # DW_FORM_flag_present
	.byte	3                               # DW_AT_name
	.ascii	"\202>"                         # DW_FORM_GNU_str_index
	.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	4                               # Abbreviation Code
	.byte	29                              # DW_TAG_inlined_subroutine
	.byte	0                               # DW_CHILDREN_no
	.byte	49                              # DW_AT_abstract_origin
	.byte	19                              # DW_FORM_ref4
	.byte	17                              # DW_AT_low_pc
	.ascii	"\201>"                         # DW_FORM_GNU_addr_index
	.byte	18                              # DW_AT_high_pc
	.byte	6                               # DW_FORM_data4
	.byte	88                              # DW_AT_call_file
	.byte	11                              # DW_FORM_data1
	.byte	89                              # DW_AT_call_line
	.byte	11                              # DW_FORM_data1
	.byte	87                              # DW_AT_call_column
	.byte	11                              # DW_FORM_data1
	.byte	0                               # EOM(1)
	.byte	0                               # EOM(2)
	.byte	5                               # Abbreviation Code
	.byte	36                              # DW_TAG_base_type
	.byte	0                               # DW_CHILDREN_no
	.byte	3                               # DW_AT_name
	.ascii	"\202>"                         # DW_FORM_GNU_str_index
	.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)
.endif