xref: /llvm-project/lldb/test/Shell/SymbolFile/DWARF/x86/array-sizes.s (revision aee49255074fd4ef38d97e6e70cbfbf2f9fd0fa7)
1*8a64d80aSDavid Spickett# This tests a bug where we would incorrectly parse the size of an array if that
2*8a64d80aSDavid Spickett# size happened to match an existing DIE offset. This happened because we
3*8a64d80aSDavid Spickett# misinterpreted that value as a reference to a DIE specifying the VLA size even
4*8a64d80aSDavid Spickett# though the form was a data form (as it should be).
5*8a64d80aSDavid Spickett
6*8a64d80aSDavid Spickett# REQUIRES: lld
7*8a64d80aSDavid Spickett
8*8a64d80aSDavid Spickett# RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj > %t.o
9*8a64d80aSDavid Spickett# RUN: ld.lld %t.o -o %t
10*8a64d80aSDavid Spickett# RUN: lldb-test symbols %t | FileCheck %s
11*8a64d80aSDavid Spickett
12*8a64d80aSDavid Spickett# CHECK: Variable{0x0000001e}, name = "X"
13*8a64d80aSDavid Spickett# CHECK-SAME: type = {0000000000000033} 0x{{[0-9A-F]*}} (char[56])
14*8a64d80aSDavid Spickett
15*8a64d80aSDavid Spickett
16*8a64d80aSDavid Spickett# Generated from "char X[47];"
17*8a64d80aSDavid Spickett# The array size was modified by hand.
18*8a64d80aSDavid Spickett
19*8a64d80aSDavid Spickett	.text
20*8a64d80aSDavid Spickett	.file	"-"
21*8a64d80aSDavid Spickett	.file	1 "/tmp" "<stdin>"
22*8a64d80aSDavid Spickett	.type	X,@object               # @X
23*8a64d80aSDavid Spickett	.comm	X,63,16
24*8a64d80aSDavid Spickett	.section	.debug_str,"MS",@progbits,1
25*8a64d80aSDavid Spickett.Linfo_string0:
26*8a64d80aSDavid Spickett	.asciz	"clang version 8.0.0 (trunk 349604) (llvm/trunk 349608)" # string offset=0
27*8a64d80aSDavid Spickett.Linfo_string1:
28*8a64d80aSDavid Spickett	.asciz	"-"                     # string offset=55
29*8a64d80aSDavid Spickett.Linfo_string2:
30*8a64d80aSDavid Spickett	.asciz	"/tmp"                  # string offset=57
31*8a64d80aSDavid Spickett.Linfo_string3:
32*8a64d80aSDavid Spickett	.asciz	"X"                     # string offset=62
33*8a64d80aSDavid Spickett.Linfo_string4:
34*8a64d80aSDavid Spickett	.asciz	"char"                  # string offset=64
35*8a64d80aSDavid Spickett.Linfo_string5:
36*8a64d80aSDavid Spickett	.asciz	"__ARRAY_SIZE_TYPE__"   # string offset=69
37*8a64d80aSDavid Spickett	.section	.debug_abbrev,"",@progbits
38*8a64d80aSDavid Spickett	.byte	1                       # Abbreviation Code
39*8a64d80aSDavid Spickett	.byte	17                      # DW_TAG_compile_unit
40*8a64d80aSDavid Spickett	.byte	1                       # DW_CHILDREN_yes
41*8a64d80aSDavid Spickett	.byte	37                      # DW_AT_producer
42*8a64d80aSDavid Spickett	.byte	14                      # DW_FORM_strp
43*8a64d80aSDavid Spickett	.byte	19                      # DW_AT_language
44*8a64d80aSDavid Spickett	.byte	5                       # DW_FORM_data2
45*8a64d80aSDavid Spickett	.byte	3                       # DW_AT_name
46*8a64d80aSDavid Spickett	.byte	14                      # DW_FORM_strp
47*8a64d80aSDavid Spickett	.byte	16                      # DW_AT_stmt_list
48*8a64d80aSDavid Spickett	.byte	23                      # DW_FORM_sec_offset
49*8a64d80aSDavid Spickett	.byte	27                      # DW_AT_comp_dir
50*8a64d80aSDavid Spickett	.byte	14                      # DW_FORM_strp
51*8a64d80aSDavid Spickett	.byte	0                       # EOM(1)
52*8a64d80aSDavid Spickett	.byte	0                       # EOM(2)
53*8a64d80aSDavid Spickett	.byte	2                       # Abbreviation Code
54*8a64d80aSDavid Spickett	.byte	52                      # DW_TAG_variable
55*8a64d80aSDavid Spickett	.byte	0                       # DW_CHILDREN_no
56*8a64d80aSDavid Spickett	.byte	3                       # DW_AT_name
57*8a64d80aSDavid Spickett	.byte	14                      # DW_FORM_strp
58*8a64d80aSDavid Spickett	.byte	73                      # DW_AT_type
59*8a64d80aSDavid Spickett	.byte	19                      # DW_FORM_ref4
60*8a64d80aSDavid Spickett	.byte	63                      # DW_AT_external
61*8a64d80aSDavid Spickett	.byte	25                      # DW_FORM_flag_present
62*8a64d80aSDavid Spickett	.byte	58                      # DW_AT_decl_file
63*8a64d80aSDavid Spickett	.byte	11                      # DW_FORM_data1
64*8a64d80aSDavid Spickett	.byte	59                      # DW_AT_decl_line
65*8a64d80aSDavid Spickett	.byte	11                      # DW_FORM_data1
66*8a64d80aSDavid Spickett	.byte	2                       # DW_AT_location
67*8a64d80aSDavid Spickett	.byte	24                      # DW_FORM_exprloc
68*8a64d80aSDavid Spickett	.byte	0                       # EOM(1)
69*8a64d80aSDavid Spickett	.byte	0                       # EOM(2)
70*8a64d80aSDavid Spickett	.byte	3                       # Abbreviation Code
71*8a64d80aSDavid Spickett	.byte	1                       # DW_TAG_array_type
72*8a64d80aSDavid Spickett	.byte	1                       # DW_CHILDREN_yes
73*8a64d80aSDavid Spickett	.byte	73                      # DW_AT_type
74*8a64d80aSDavid Spickett	.byte	19                      # DW_FORM_ref4
75*8a64d80aSDavid Spickett	.byte	0                       # EOM(1)
76*8a64d80aSDavid Spickett	.byte	0                       # EOM(2)
77*8a64d80aSDavid Spickett	.byte	4                       # Abbreviation Code
78*8a64d80aSDavid Spickett	.byte	33                      # DW_TAG_subrange_type
79*8a64d80aSDavid Spickett	.byte	0                       # DW_CHILDREN_no
80*8a64d80aSDavid Spickett	.byte	73                      # DW_AT_type
81*8a64d80aSDavid Spickett	.byte	19                      # DW_FORM_ref4
82*8a64d80aSDavid Spickett	.byte	55                      # DW_AT_count
83*8a64d80aSDavid Spickett	.byte	11                      # DW_FORM_data1
84*8a64d80aSDavid Spickett	.byte	0                       # EOM(1)
85*8a64d80aSDavid Spickett	.byte	0                       # EOM(2)
86*8a64d80aSDavid Spickett	.byte	5                       # Abbreviation Code
87*8a64d80aSDavid Spickett	.byte	36                      # DW_TAG_base_type
88*8a64d80aSDavid Spickett	.byte	0                       # DW_CHILDREN_no
89*8a64d80aSDavid Spickett	.byte	3                       # DW_AT_name
90*8a64d80aSDavid Spickett	.byte	14                      # DW_FORM_strp
91*8a64d80aSDavid Spickett	.byte	62                      # DW_AT_encoding
92*8a64d80aSDavid Spickett	.byte	11                      # DW_FORM_data1
93*8a64d80aSDavid Spickett	.byte	11                      # DW_AT_byte_size
94*8a64d80aSDavid Spickett	.byte	11                      # DW_FORM_data1
95*8a64d80aSDavid Spickett	.byte	0                       # EOM(1)
96*8a64d80aSDavid Spickett	.byte	0                       # EOM(2)
97*8a64d80aSDavid Spickett	.byte	6                       # Abbreviation Code
98*8a64d80aSDavid Spickett	.byte	36                      # DW_TAG_base_type
99*8a64d80aSDavid Spickett	.byte	0                       # DW_CHILDREN_no
100*8a64d80aSDavid Spickett	.byte	3                       # DW_AT_name
101*8a64d80aSDavid Spickett	.byte	14                      # DW_FORM_strp
102*8a64d80aSDavid Spickett	.byte	11                      # DW_AT_byte_size
103*8a64d80aSDavid Spickett	.byte	11                      # DW_FORM_data1
104*8a64d80aSDavid Spickett	.byte	62                      # DW_AT_encoding
105*8a64d80aSDavid Spickett	.byte	11                      # DW_FORM_data1
106*8a64d80aSDavid Spickett	.byte	0                       # EOM(1)
107*8a64d80aSDavid Spickett	.byte	0                       # EOM(2)
108*8a64d80aSDavid Spickett	.byte	0                       # EOM(3)
109*8a64d80aSDavid Spickett	.section	.debug_info,"",@progbits
110*8a64d80aSDavid Spickett.Lcu_begin0:
111*8a64d80aSDavid Spickett	.long	.Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
112*8a64d80aSDavid Spickett.Ldebug_info_start0:
113*8a64d80aSDavid Spickett	.short	4                       # DWARF version number
114*8a64d80aSDavid Spickett	.long	.debug_abbrev           # Offset Into Abbrev. Section
115*8a64d80aSDavid Spickett	.byte	8                       # Address Size (in bytes)
116*8a64d80aSDavid Spickett	.byte	1                       # Abbrev [1] 0xb:0x43 DW_TAG_compile_unit
117*8a64d80aSDavid Spickett	.long	.Linfo_string0          # DW_AT_producer
118*8a64d80aSDavid Spickett	.short	12                      # DW_AT_language
119*8a64d80aSDavid Spickett	.long	.Linfo_string1          # DW_AT_name
120*8a64d80aSDavid Spickett	.long	0                       # DW_AT_stmt_list
121*8a64d80aSDavid Spickett	.long	.Linfo_string2          # DW_AT_comp_dir
122*8a64d80aSDavid Spickett	.byte	2                       # Abbrev [2] 0x1e:0x15 DW_TAG_variable
123*8a64d80aSDavid Spickett	.long	.Linfo_string3          # DW_AT_name
124*8a64d80aSDavid Spickett	.long	51                      # DW_AT_type
125*8a64d80aSDavid Spickett                                        # DW_AT_external
126*8a64d80aSDavid Spickett	.byte	1                       # DW_AT_decl_file
127*8a64d80aSDavid Spickett	.byte	1                       # DW_AT_decl_line
128*8a64d80aSDavid Spickett	.byte	9                       # DW_AT_location
129*8a64d80aSDavid Spickett	.byte	3
130*8a64d80aSDavid Spickett	.quad	X
131*8a64d80aSDavid Spickett	.byte	3                       # Abbrev [3] 0x33:0xc DW_TAG_array_type
132*8a64d80aSDavid Spickett	.long	63                      # DW_AT_type
133*8a64d80aSDavid Spickett.Ldie:
134*8a64d80aSDavid Spickett	.byte	4                       # Abbrev [4] 0x38:0x6 DW_TAG_subrange_type
135*8a64d80aSDavid Spickett	.long	70                      # DW_AT_type
136*8a64d80aSDavid Spickett	.byte	.Ldie-.Lcu_begin0       # DW_AT_count - should match the offset of an existing die
137*8a64d80aSDavid Spickett	.byte	0                       # End Of Children Mark
138*8a64d80aSDavid Spickett	.byte	5                       # Abbrev [5] 0x3f:0x7 DW_TAG_base_type
139*8a64d80aSDavid Spickett	.long	.Linfo_string4          # DW_AT_name
140*8a64d80aSDavid Spickett	.byte	6                       # DW_AT_encoding
141*8a64d80aSDavid Spickett	.byte	1                       # DW_AT_byte_size
142*8a64d80aSDavid Spickett	.byte	6                       # Abbrev [6] 0x46:0x7 DW_TAG_base_type
143*8a64d80aSDavid Spickett	.long	.Linfo_string5          # DW_AT_name
144*8a64d80aSDavid Spickett	.byte	8                       # DW_AT_byte_size
145*8a64d80aSDavid Spickett	.byte	7                       # DW_AT_encoding
146*8a64d80aSDavid Spickett	.byte	0                       # End Of Children Mark
147*8a64d80aSDavid Spickett.Ldebug_info_end0:
148