1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
# RUN: llvm-mc -triple=x86_64-pc-linux -filetype=obj %s > %t
# RUN: not llvm-dwarfdump %t 2> %t.err | FileCheck %s
# RUN: FileCheck %s < %t.err -check-prefix=ERR
# CHECK: DW_AT_name ("x0")
# CHECK-NEXT: DW_AT_location (0x0000000c
# CHECK-NEXT: [0x0000000000000000, 0x0000000000000002): DW_OP_reg5 RDI
# CHECK-NEXT: [0x0000000000000002, 0x0000000000000003): DW_OP_reg0 RAX)
# CHECK: DW_AT_name ("x1")
# CHECK-NEXT: DW_AT_location (0xdeadbeef: )
# ERR: error: offset 0xdeadbeef is beyond the end of data at 0x34
# CHECK: DW_AT_name ("x2")
# CHECK-NEXT: DW_AT_location (0x00000025
# ERR: error: unexpected end of data at offset 0x34 while reading [0x34, 0xdeadbf23)
.type f,@function
f: # @f
.Lfunc_begin0:
movl %edi, %eax
.Ltmp0:
retq
.Ltmp1:
.Lfunc_end0:
.size f, .Lfunc_end0-f
.section .debug_str,"MS",@progbits,1
.Linfo_string0:
.asciz "Hand-written DWARF"
.Linfo_string3:
.asciz "f"
.Linfo_string4:
.asciz "int"
.Lx0:
.asciz "x0"
.Lx1:
.asciz "x1"
.Lx2:
.asciz "x2"
.section .debug_loclists,"",@progbits
.long .Ldebug_loclist_table_end0-.Ldebug_loclist_table_start0 # Length
.Ldebug_loclist_table_start0:
.short 5 # Version
.byte 8 # Address size
.byte 0 # Segment selector size
.long 0 # Offset entry count
.Lloclists_table_base0:
.Ldebug_loc0:
.byte 8 # DW_LLE_start_length
.quad .Lfunc_begin0-.Lfunc_begin0 # starting offset
.uleb128 .Ltmp0-.Lfunc_begin0 # size
.byte 1 # Loc expr size
.byte 85 # super-register DW_OP_reg5
.byte 8 # DW_LLE_start_length
.quad .Ltmp0-.Lfunc_begin0 # starting offset
.uleb128 .Lfunc_end0-.Ltmp0 # size
.byte 1 # Loc expr size
.byte 80 # super-register DW_OP_reg0
.byte 0 # DW_LLE_end_of_list
.Ldebug_loc2:
.byte 8 # DW_LLE_start_length
.quad .Lfunc_begin0-.Lfunc_begin0 # starting offset
.uleb128 .Ltmp0-.Lfunc_begin0 # size
.uleb128 0xdeadbeef # Loc expr size
.Ldebug_loclist_table_end0:
.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 14 # DW_FORM_strp
.byte 19 # DW_AT_language
.byte 5 # DW_FORM_data2
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 2 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_CHILDREN_yes
.byte 3 # DW_AT_name
.byte 14 # DW_FORM_strp
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 3 # Abbreviation Code
.byte 5 # DW_TAG_formal_parameter
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 14 # DW_FORM_strp
.byte 2 # DW_AT_location
.byte 23 # DW_FORM_sec_offset
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 4 # 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 .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] 0xb:0x50 DW_TAG_compile_unit
.long .Linfo_string0 # DW_AT_producer
.short 12 # DW_AT_language
.byte 2 # Abbrev [2] 0x2a:0x29 DW_TAG_subprogram
.long .Linfo_string3 # DW_AT_name
.byte 3 # Abbrev [3] DW_TAG_formal_parameter
.long .Lx0 # DW_AT_name
.long .Ldebug_loc0 # DW_AT_location
.byte 3 # Abbrev [3] DW_TAG_formal_parameter
.long .Lx1 # DW_AT_name
.long 0xdeadbeef # DW_AT_location
.byte 3 # Abbrev [3] DW_TAG_formal_parameter
.long .Lx2 # DW_AT_name
.long .Ldebug_loc2 # DW_AT_location
.byte 0 # End Of Children Mark
.byte 0 # End Of Children Mark
.Ldebug_info_end0:
|
