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
134
135
136
137
138
139
140
141
142
143
144
145
146
|
# DW_AT_ranges can use DW_FORM_sec_offset (instead of DW_FORM_rnglistx).
# In such case DW_AT_rnglists_base does not need to be present.
# REQUIRES: x86
# RUN: llvm-mc -triple=x86_64-pc-linux -filetype=obj %s > %t
# RUN: %lldb %t -o "image lookup -v -s lookup_rnglists" \
# RUN: -o exit | FileCheck %s
# Failure was the block range 1..2 was not printed plus:
# error: DW_AT_range-DW_FORM_sec_offset.s.tmp {0x0000003f}: DIE has DW_AT_ranges(0xc) attribute, but range extraction failed (missing or invalid range list table), please file a bug and attach the file at the start of this error message
# CHECK-LABEL: image lookup -v -s lookup_rnglists
# CHECK: Function: id = {0x00000029}, name = "rnglists", range = [0x0000000000000000-0x0000000000000003)
# CHECK: Blocks: id = {0x00000029}, range = [0x00000000-0x00000003)
# CHECK-NEXT: id = {0x0000003f}, range = [0x00000001-0x00000002)
# RUN: llvm-mc -triple=x86_64-pc-linux -filetype=obj \
# RUN: --defsym RNGLISTX=0 %s > %t-rnglistx
# RUN: %lldb %t-rnglistx -o "image lookup -v -s lookup_rnglists" \
# RUN: -o exit 2>&1 | FileCheck --check-prefix=RNGLISTX %s
# RNGLISTX-LABEL: image lookup -v -s lookup_rnglists
# RNGLISTX: error: {{.*}} {0x0000003f}: DIE has DW_AT_ranges(DW_FORM_rnglistx 0x0) attribute, but range extraction failed (DW_FORM_rnglistx cannot be used without DW_AT_rnglists_base for CU at 0x00000000), please file a bug and attach the file at the start of this error message
# RUN: llvm-mc -triple=x86_64-pc-linux -filetype=obj \
# RUN: --defsym RNGLISTX=0 --defsym RNGLISTBASE=0 %s > %t-rnglistbase
# RUN: %lldb %t-rnglistbase -o "image lookup -v -s lookup_rnglists" \
# RUN: -o exit 2>&1 | FileCheck --check-prefix=RNGLISTBASE %s
# RNGLISTBASE-LABEL: image lookup -v -s lookup_rnglists
# RNGLISTBASE: error: {{.*}}-rnglistbase {0x00000043}: DIE has DW_AT_ranges(DW_FORM_rnglistx 0x0) attribute, but range extraction failed (invalid range list table index 0; OffsetEntryCount is 0, DW_AT_rnglists_base is 24), please file a bug and attach the file at the start of this error message
.text
rnglists:
nop
.Lblock1_begin:
lookup_rnglists:
nop
.Lblock1_end:
nop
.Lrnglists_end:
.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 8 # DW_FORM_string
.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
.ifdef RNGLISTBASE
.byte 0x74 # DW_AT_rnglists_base
.byte 23 # DW_FORM_sec_offset
.endif
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 2 # 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 3 # DW_AT_name
.byte 8 # DW_FORM_string
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 5 # Abbreviation Code
.byte 11 # DW_TAG_lexical_block
.byte 0 # DW_CHILDREN_no
.byte 85 # DW_AT_ranges
.ifndef RNGLISTX
.byte 0x17 # DW_FORM_sec_offset
.else
.byte 0x23 # DW_FORM_rnglistx
.endif
.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:0x5f DW_TAG_compile_unit
.asciz "Hand-written DWARF" # DW_AT_producer
.byte 0 # DW_AT_low_pc
.long .Lrnglists_end-rnglists # DW_AT_high_pc
.long .Laddr_table_base0 # DW_AT_addr_base
.ifdef RNGLISTBASE
.long .Ldebug_ranges1 # DW_AT_rnglists_base
.endif
.byte 2 # Abbrev [2] 0x2b:0x37 DW_TAG_subprogram
.quad rnglists # DW_AT_low_pc
.long .Lrnglists_end-rnglists # DW_AT_high_pc
.asciz "rnglists" # DW_AT_name
.byte 5 # Abbrev [5] 0x52:0xf DW_TAG_lexical_block
.ifndef RNGLISTX
.long .Ldebug_ranges1 # DW_AT_ranges DW_FORM_sec_offset
.else
.uleb128 0 # DW_AT_ranges DW_FORM_rnglistx
.endif
.byte 0 # End Of Children Mark
.byte 0 # End Of Children Mark
.Ldebug_info_end0:
.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 rnglists
.Ldebug_addr_end0:
.section .debug_rnglists,"",@progbits
.long .Ldebug_rnglist_table_end0-.Ldebug_rnglist_table_start0 # Length
.Ldebug_rnglist_table_start0:
.short 5 # Version
.byte 8 # Address size
.byte 0 # Segment selector size
.long 0 # Offset entry count
.Ldebug_rnglist_table_end0:
.long .Ldebug_rnglist_table_end1-.Ldebug_rnglist_table_start1 # Length
.Ldebug_rnglist_table_start1:
.short 5 # Version
.byte 8 # Address size
.byte 0 # Segment selector size
.long 0 # Offset entry count
.Ldebug_ranges1:
.byte 4 # DW_RLE_offset_pair
.uleb128 .Lblock1_begin-rnglists # starting offset
.uleb128 .Lblock1_end-rnglists # ending offset
.byte 0 # DW_RLE_end_of_list
.Ldebug_rnglist_table_end1:
|
