xref: /llvm-project/bolt/test/X86/dwarf5-debug-line.s (revision 11791ae7b0b05b8bd8d806331ff51da618912cf8)

# REQUIRES: system-linux

# RUN: llvm-mc -dwarf-version=5 -filetype=obj -triple x86_64-unknown-linux %s -o %t1.o
# RUN: %clang %cflags -dwarf-5 %t1.o -o %t.exe -Wl,-q
# RUN: llvm-bolt %t.exe -o %t.bolt --update-debug-sections
# RUN: llvm-dwarfdump --show-form --verbose --debug-line %t.exe | FileCheck --check-prefix=PRECHECK %s
# RUN: llvm-dwarfdump --show-form --verbose --debug-line %t.bolt | FileCheck --check-prefix=POSTCHECK %s

## This test checks that DWARF5 .debug_line is handled correctly.

# PRECHECK: version: 5
# PRECHECK: include_directories[  0] =  .debug_line_str
# PRECHECK-SAME: ] = "."
# PRECHECK-NEXT: file_names[  0]:
# PRECHECK-NEXT: name:  .debug_line_str
# PRECHECK-SAME: = "main.cpp"
# PRECHECK-NEXT: dir_index: 0
# PRECHECK-NEXT: md5_checksum: bb12fec8d002b1f0e06f7dee4604c6cc
# PRECHECK-NOT: file_names[  1]:

# POSTCHECK: version: 5
# POSTCHECK: include_directories[  0] =  .debug_line_str
# POSTCHECK-SAME: ] = "."
# POSTCHECK-NEXT: file_names[  0]:
# POSTCHECK-NEXT: name:  .debug_line_str
# POSTCHECK-SAME: ] = "main.cpp"
# POSTCHECK-NEXT: dir_index: 0
# POSTCHECK-NEXT: md5_checksum: bb12fec8d002b1f0e06f7dee4604c6cc
# POSTCHECK-NOT: file_names[  1]:

# int main() {
#    return 0;
# }

	.text
	.file	"main.cpp"
	.globl	main                            # -- Begin function main
	.p2align	4, 0x90
	.type	main,@function
main:                                   # @main
.Lfunc_begin0:
	.file	0 "." "main.cpp" md5 0xbb12fec8d002b1f0e06f7dee4604c6cc
	.loc	0 1 0                           # main.cpp:1:0
	.cfi_startproc
# %bb.0:                                # %entry
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset %rbp, -16
	movq	%rsp, %rbp
	.cfi_def_cfa_register %rbp
	movl	$0, -4(%rbp)
.Ltmp0:
	.loc	0 2 3 prologue_end              # main.cpp:2:3
	xorl	%eax, %eax
	popq	%rbp
	.cfi_def_cfa %rsp, 8
	retq
.Ltmp1:
.Lfunc_end0:
	.size	main, .Lfunc_end0-main
	.cfi_endproc
                                        # -- 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	0                               # DW_CHILDREN_no
	.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	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:0x2b 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] 0x23:0xf 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	50                              # DW_AT_type
                                        # DW_AT_external
	.byte	3                               # Abbrev [3] 0x32:0x4 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	24                              # Length of String Offsets Set
	.short	5
	.short	0
.Lstr_offsets_base0:
	.section	.debug_str,"MS",@progbits,1
.Linfo_string0:
	.asciz	"clang version 15.0.0" # string offset=0
.Linfo_string1:
	.asciz	"main.cpp"                      # string offset=134
.Linfo_string2:
	.asciz	"." # string offset=143
.Linfo_string3:
	.asciz	"main"                          # string offset=180
.Linfo_string4:
	.asciz	"int"                           # string offset=185
	.section	.debug_str_offsets,"",@progbits
	.long	.Linfo_string0
	.long	.Linfo_string1
	.long	.Linfo_string2
	.long	.Linfo_string3
	.long	.Linfo_string4
	.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:
	.ident	"clang version 15.0.0"
	.section	".note.GNU-stack","",@progbits
	.addrsig
	.section	.debug_line,"",@progbits
.Lline_table_start0: