forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			297 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
			
		
		
	
	
			297 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
| # This test ensures that dwarfdump doesn't crash for malformed DWARF where a
 | |
| # DIE references itself.
 | |
| #
 | |
| # Source:
 | |
| #   void f();
 | |
| #   __attribute__((always_inline)) void g() {
 | |
| #     f();
 | |
| #   }
 | |
| #   void h() {
 | |
| #     g();
 | |
| #   };
 | |
| #
 | |
| # Compile with:
 | |
| #   clang inlined.c -S -g -o inlined.s
 | |
| #
 | |
| # RUN: llvm-mc %s -filetype obj -triple x86_64-apple-darwin -o - \
 | |
| # RUN:   | llvm-dwarfdump -debug-info - \
 | |
| # RUN:   | FileCheck %s
 | |
| 
 | |
| # CHECK: 0x0000005a:     DW_TAG_inlined_subroutine
 | |
| # CHECK-NEXT: DW_AT_abstract_origin (0x0000005a)
 | |
| 
 | |
| 	.section	__TEXT,__text,regular,pure_instructions
 | |
| 	.macosx_version_min 10, 13
 | |
| 	.globl	_g                      ## -- Begin function g
 | |
| 	.p2align	4, 0x90
 | |
| _g:                                     ## @g
 | |
| Lfunc_begin0:
 | |
| 	.file	1 "inlined.c"
 | |
| 	.loc	1 2 0                   ## inlined.c:2:0
 | |
| 	.cfi_startproc
 | |
| ## %bb.0:                               ## %entry
 | |
| 	pushq	%rbp
 | |
| 	.cfi_def_cfa_offset 16
 | |
| 	.cfi_offset %rbp, -16
 | |
| 	movq	%rsp, %rbp
 | |
| 	.cfi_def_cfa_register %rbp
 | |
| Ltmp0:
 | |
| 	.loc	1 3 3 prologue_end      ## inlined.c:3:3
 | |
| 	movb	$0, %al
 | |
| 	callq	_f
 | |
| 	.loc	1 4 1                   ## inlined.c:4:1
 | |
| 	popq	%rbp
 | |
| 	retq
 | |
| Ltmp1:
 | |
| Lfunc_end0:
 | |
| 	.cfi_endproc
 | |
|                                         ## -- End function
 | |
| 	.globl	_h                      ## -- Begin function h
 | |
| 	.p2align	4, 0x90
 | |
| _h:                                     ## @h
 | |
| Lfunc_begin1:
 | |
| 	.loc	1 5 0                   ## inlined.c:5:0
 | |
| 	.cfi_startproc
 | |
| ## %bb.0:                               ## %entry
 | |
| 	pushq	%rbp
 | |
| 	.cfi_def_cfa_offset 16
 | |
| 	.cfi_offset %rbp, -16
 | |
| 	movq	%rsp, %rbp
 | |
| 	.cfi_def_cfa_register %rbp
 | |
| Ltmp2:
 | |
| 	.loc	1 3 3 prologue_end      ## inlined.c:3:3
 | |
| 	movb	$0, %al
 | |
| 	callq	_f
 | |
| Ltmp3:
 | |
| 	.loc	1 7 1                   ## inlined.c:7:1
 | |
| 	popq	%rbp
 | |
| 	retq
 | |
| Ltmp4:
 | |
| Lfunc_end1:
 | |
| 	.cfi_endproc
 | |
|                                         ## -- End function
 | |
| 	.section	__DWARF,__debug_str,regular,debug
 | |
| Linfo_string:
 | |
| 	.asciz	"clang version 7.0.0 "  ## string offset=0
 | |
| 	.asciz	"inlined.c"             ## string offset=21
 | |
| 	.asciz	"/private/tmp"          ## string offset=31
 | |
| 	.asciz	"g"                     ## string offset=44
 | |
| 	.asciz	"h"                     ## string offset=46
 | |
| 	.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	49                      ## DW_AT_abstract_origin
 | |
| 	.byte	19                      ## DW_FORM_ref4
 | |
| 	.byte	0                       ## EOM(1)
 | |
| 	.byte	0                       ## EOM(2)
 | |
| 	.byte	3                       ## Abbreviation Code
 | |
| 	.byte	46                      ## DW_TAG_subprogram
 | |
| 	.byte	0                       ## DW_CHILDREN_no
 | |
| 	.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	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	4                       ## Abbreviation Code
 | |
| 	.byte	46                      ## DW_TAG_subprogram
 | |
| 	.byte	1                       ## DW_CHILDREN_yes
 | |
| 	.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	63                      ## DW_AT_external
 | |
| 	.byte	25                      ## DW_FORM_flag_present
 | |
| 	.byte	0                       ## EOM(1)
 | |
| 	.byte	0                       ## EOM(2)
 | |
| 	.byte	5                       ## 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
 | |
| 	.byte	1                       ## DW_FORM_addr
 | |
| 	.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	0                       ## EOM(1)
 | |
| 	.byte	0                       ## EOM(2)
 | |
| 	.byte	0                       ## EOM(3)
 | |
| 	.section	__DWARF,__debug_info,regular,debug
 | |
| Lsection_info:
 | |
| Lcu_begin0:
 | |
| 	.long	107                     ## 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:0x64 DW_TAG_compile_unit
 | |
| 	.long	0                       ## DW_AT_producer
 | |
| 	.short	12                      ## DW_AT_language
 | |
| 	.long	21                      ## DW_AT_name
 | |
| Lset1 = Lline_table_start0-Lsection_line ## DW_AT_stmt_list
 | |
| 	.long	Lset1
 | |
| 	.long	31                      ## DW_AT_comp_dir
 | |
| 	.quad	Lfunc_begin0            ## DW_AT_low_pc
 | |
| Lset2 = Lfunc_end1-Lfunc_begin0         ## DW_AT_high_pc
 | |
| 	.long	Lset2
 | |
| 	.byte	2                       ## Abbrev [2] 0x2a:0x13 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	61                      ## DW_AT_abstract_origin
 | |
| 	.byte	3                       ## Abbrev [3] 0x3d:0x8 DW_TAG_subprogram
 | |
| 	.long	44                      ## DW_AT_name
 | |
| 	.byte	1                       ## DW_AT_decl_file
 | |
| 	.byte	2                       ## DW_AT_decl_line
 | |
|                                         ## DW_AT_external
 | |
| 	.byte	1                       ## DW_AT_inline
 | |
| 	.byte	4                       ## Abbrev [4] 0x45:0x29 DW_TAG_subprogram
 | |
| 	.quad	Lfunc_begin1            ## DW_AT_low_pc
 | |
| Lset4 = Lfunc_end1-Lfunc_begin1         ## DW_AT_high_pc
 | |
| 	.long	Lset4
 | |
| 	.byte	1                       ## DW_AT_frame_base
 | |
| 	.byte	86
 | |
| 	.long	46                      ## DW_AT_name
 | |
| 	.byte	1                       ## DW_AT_decl_file
 | |
| 	.byte	5                       ## DW_AT_decl_line
 | |
|                                         ## DW_AT_external
 | |
| 	.byte	5                       ## Abbrev [5] 0x5a:0x13 DW_TAG_inlined_subroutine
 | |
| 	.long	90                      ## DW_AT_abstract_origin <- We modified the value so the DIE references itself.
 | |
| 	.quad	Ltmp2                   ## DW_AT_low_pc
 | |
| Lset5 = Ltmp3-Ltmp2                     ## DW_AT_high_pc
 | |
| 	.long	Lset5
 | |
| 	.byte	1                       ## DW_AT_call_file
 | |
| 	.byte	6                       ## DW_AT_call_line
 | |
| 	.byte	0                       ## End Of Children Mark
 | |
| 	.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	2                       ## Header Bucket Count
 | |
| 	.long	2                       ## 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	1                       ## Bucket 1
 | |
| 	.long	177676                  ## Hash in Bucket 0
 | |
| 	.long	177677                  ## Hash in Bucket 1
 | |
| 	.long	LNames0-Lnames_begin    ## Offset in Bucket 0
 | |
| 	.long	LNames1-Lnames_begin    ## Offset in Bucket 1
 | |
| LNames0:
 | |
| 	.long	44                      ## g
 | |
| 	.long	2                       ## Num DIEs
 | |
| 	.long	42
 | |
| 	.long	90
 | |
| 	.long	0
 | |
| LNames1:
 | |
| 	.long	46                      ## h
 | |
| 	.long	1                       ## Num DIEs
 | |
| 	.long	69
 | |
| 	.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	0                       ## 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	-1                      ## Bucket 0
 | |
| 
 | |
| .subsections_via_symbols
 | |
| 	.section	__DWARF,__debug_line,regular,debug
 | |
| Lsection_line:
 | |
| Lline_table_start0:
 |