brief.s 9.68 KB
# RUN: llvm-mc %s -filetype obj -triple x86_64-apple-darwin -o - \
# RUN: | llvm-dwarfdump --debug-info --debug-line - \
# RUN: | FileCheck %s
# RUN: llvm-mc %s -filetype obj -triple x86_64-apple-darwin -o - \
# RUN: | llvm-dwarfdump --debug-info --debug-line - -o %t
# RUN: cat %t | FileCheck %s

# CHECK-NOT: .debug_abbrev contents:
#
# CHECK: .debug_info contents:
# CHECK: DW_TAG_compile_unit
# CHECK-NOT: DW_FORM
# CHECK: DW_AT_name        ("brief.c")
# CHECK: DW_AT_name      ("main")
# CHECK: DW_AT_name      ("int")
# CHECK-NOT: debug_str
# CHECK-NOT: DW_AT_type {{.*}} =>

# CHECK: Address            Line   Column File   ISA Discriminator Flags
# CHECK-NEXT:------------------ ------ ------ ------ --- ------------- -------------
# CHECK-NEXT:0x0000000000000000      1      0      1   0             0  is_stmt
# CHECK-NEXT:0x0000000000000006      1     12      1   0             0  is_stmt prologue_end
# CHECK-NEXT:0x0000000000000008      1     12      1   0             0  is_stmt end_sequence

# CHECK-NOT: {{.*}} contents:

# This test is meant to verify that without specifying -verbose DW_FORMs and
# abbreviation codes are hidden from .debug_info section. Furthermore it
# verifies that it also hides .debug_str and die reference offsets into the CU
# and that the .debug_line table is printed rather than the opcodes.

	.section	__TEXT,__text,regular,pure_instructions
	.macosx_version_min 10, 12
	.globl	_main                   ## -- Begin function main
	.p2align	4, 0x90
_main:                                  ## @main
Lfunc_begin0:
	.file	1 "brief.c"
	.loc	1 1 0                   ## brief.c: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
	xorl	%eax, %eax
Ltmp0:
	.loc	1 1 12 prologue_end     ## brief.c:1:12
	popq	%rbp
	retq
Ltmp1:
Lfunc_end0:
	.cfi_endproc
                                        ## -- End function
	.section	__DWARF,__debug_str,regular,debug
Linfo_string:
	.asciz	"clang version 6.0.0 (trunk 311115) (llvm/trunk 311188)" ## string offset=0
	.asciz	"brief.c"               ## string offset=55
	.asciz	"/private/tmp"          ## string offset=63
	.asciz	"main"                  ## string offset=76
	.asciz	"int"                   ## string offset=81
	.section	__DWARF,__debug_abbrev,regular,debug
Lsection_abbrev:
	.byte	1                       ## Abbreviation Code
	.byte	17                      ## DW_TAG_compile_unit
	.byte	1                       ## DW_CHILDREN_yes
	.byte	37                      ## DW_AT_producer
	.byte	14                      ## DW_FORM_strp
	.byte	19                      ## DW_AT_language
	.byte	5                       ## DW_FORM_data2
	.byte	3                       ## DW_AT_name
	.byte	14                      ## DW_FORM_strp
	.byte	16                      ## DW_AT_stmt_list
	.byte	23                      ## DW_FORM_sec_offset
	.byte	27                      ## DW_AT_comp_dir
	.byte	14                      ## DW_FORM_strp
	.byte	17                      ## DW_AT_low_pc
	.byte	1                       ## DW_FORM_addr
	.byte	18                      ## DW_AT_high_pc
	.byte	6                       ## DW_FORM_data4
	.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	1                       ## DW_FORM_addr
	.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	14                      ## DW_FORM_strp
	.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	14                      ## DW_FORM_strp
	.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	__DWARF,__debug_info,regular,debug
Lsection_info:
Lcu_begin0:
	.long	71                      ## Length of Unit
	.short	4                       ## DWARF version number
Lset0 = Lsection_abbrev-Lsection_abbrev ## Offset Into Abbrev. Section
	.long	Lset0
	.byte	8                       ## Address Size (in bytes)
	.byte	1                       ## Abbrev [1] 0xb:0x40 DW_TAG_compile_unit
	.long	0                       ## DW_AT_producer
	.short	12                      ## DW_AT_language
	.long	55                      ## DW_AT_name
Lset1 = Lline_table_start0-Lsection_line ## DW_AT_stmt_list
	.long	Lset1
	.long	63                      ## DW_AT_comp_dir
	.quad	Lfunc_begin0            ## DW_AT_low_pc
Lset2 = Lfunc_end0-Lfunc_begin0         ## DW_AT_high_pc
	.long	Lset2
	.byte	2                       ## Abbrev [2] 0x2a:0x19 DW_TAG_subprogram
	.quad	Lfunc_begin0            ## DW_AT_low_pc
Lset3 = Lfunc_end0-Lfunc_begin0         ## DW_AT_high_pc
	.long	Lset3
	.byte	1                       ## DW_AT_frame_base
	.byte	86
	.long	76                      ## DW_AT_name
	.byte	1                       ## DW_AT_decl_file
	.byte	1                       ## DW_AT_decl_line
	.long	67                      ## DW_AT_type
                                        ## DW_AT_external
	.byte	3                       ## Abbrev [3] 0x43:0x7 DW_TAG_base_type
	.long	81                      ## DW_AT_name
	.byte	5                       ## DW_AT_encoding
	.byte	4                       ## DW_AT_byte_size
	.byte	0                       ## End Of Children Mark
	.section	__DWARF,__debug_ranges,regular,debug
Ldebug_range:
	.section	__DWARF,__debug_macinfo,regular,debug
Ldebug_macinfo:
Lcu_macro_begin0:
	.byte	0                       ## End Of Macro List Mark
	.section	__DWARF,__apple_names,regular,debug
Lnames_begin:
	.long	1212240712              ## Header Magic
	.short	1                       ## Header Version
	.short	0                       ## Header Hash Function
	.long	1                       ## Header Bucket Count
	.long	1                       ## Header Hash Count
	.long	12                      ## Header Data Length
	.long	0                       ## HeaderData Die Offset Base
	.long	1                       ## HeaderData Atom Count
	.short	1                       ## DW_ATOM_die_offset
	.short	6                       ## DW_FORM_data4
	.long	0                       ## Bucket 0
	.long	2090499946              ## Hash in Bucket 0
	.long	LNames0-Lnames_begin    ## Offset in Bucket 0
LNames0:
	.long	76                      ## main
	.long	1                       ## Num DIEs
	.long	42
	.long	0
	.section	__DWARF,__apple_objc,regular,debug
Lobjc_begin:
	.long	1212240712              ## Header Magic
	.short	1                       ## Header Version
	.short	0                       ## Header Hash Function
	.long	1                       ## Header Bucket Count
	.long	0                       ## Header Hash Count
	.long	12                      ## Header Data Length
	.long	0                       ## HeaderData Die Offset Base
	.long	1                       ## HeaderData Atom Count
	.short	1                       ## DW_ATOM_die_offset
	.short	6                       ## DW_FORM_data4
	.long	-1                      ## Bucket 0
	.section	__DWARF,__apple_namespac,regular,debug
Lnamespac_begin:
	.long	1212240712              ## Header Magic
	.short	1                       ## Header Version
	.short	0                       ## Header Hash Function
	.long	1                       ## Header Bucket Count
	.long	0                       ## Header Hash Count
	.long	12                      ## Header Data Length
	.long	0                       ## HeaderData Die Offset Base
	.long	1                       ## HeaderData Atom Count
	.short	1                       ## DW_ATOM_die_offset
	.short	6                       ## DW_FORM_data4
	.long	-1                      ## Bucket 0
	.section	__DWARF,__apple_types,regular,debug
Ltypes_begin:
	.long	1212240712              ## Header Magic
	.short	1                       ## Header Version
	.short	0                       ## Header Hash Function
	.long	1                       ## Header Bucket Count
	.long	1                       ## Header Hash Count
	.long	20                      ## Header Data Length
	.long	0                       ## HeaderData Die Offset Base
	.long	3                       ## HeaderData Atom Count
	.short	1                       ## DW_ATOM_die_offset
	.short	6                       ## DW_FORM_data4
	.short	3                       ## DW_ATOM_die_tag
	.short	5                       ## DW_FORM_data2
	.short	4                       ## DW_ATOM_type_flags
	.short	11                      ## DW_FORM_data1
	.long	0                       ## Bucket 0
	.long	193495088               ## Hash in Bucket 0
	.long	Ltypes0-Ltypes_begin    ## Offset in Bucket 0
Ltypes0:
	.long	81                      ## int
	.long	1                       ## Num DIEs
	.long	67
	.short	36
	.byte	0
	.long	0

.subsections_via_symbols
	.section	__DWARF,__debug_line,regular,debug
Lsection_line:
Lline_table_start0: