1# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o
2# RUN: not llvm-dwarfdump -verify %t.o | FileCheck --check-prefix=VERIFY %s
3
4# Check that the verifier correctly diagnoses various error conditions with
5# the usage of string indices and string offsets tables.
6
7        .section .debug_str,"MS",@progbits,1
8str_producer:
9        .asciz "Handmade DWARF producer"
10
11        .section .debug_str_offsets,"",@progbits
12# The string offsets table
13        .long .debug_str_offsets_segment0_end-.debug_str_offsets_base0+4
14        .short 5    # DWARF version
15        .short 0    # Padding
16.debug_str_offsets_base0:
17        .long str_producer
18        .long 1000  # Invalid string address.
19.debug_str_offsets_segment0_end:
20
21# A simple abbrev section with a basic compile unit DIE.
22        .section .debug_abbrev,"",@progbits
23        .byte 0x01  # Abbrev code
24        .byte 0x11  # DW_TAG_compile_unit
25        .byte 0x00  # DW_CHILDREN_no
26        .byte 0x25  # DW_AT_producer
27        .byte 0x1a  # DW_FORM_strx
28        .byte 0x72  # DW_AT_str_offsets_base
29        .byte 0x17  # DW_FORM_sec_offset
30        .byte 0x00  # EOM(1)
31        .byte 0x00  # EOM(2)
32
33        .section .debug_info,"",@progbits
34
35# The first unit's CU DIE has an invalid DW_AT_str_offsets_base which
36# renders any string index unresolvable.
37
38# DWARF v5 CU header.
39        .long  CU1_5_end-CU1_5_version  # Length of Unit
40CU1_5_version:
41        .short 5               # DWARF version number
42        .byte 1                # DWARF Unit Type
43        .byte 8                # Address Size (in bytes)
44        .long .debug_abbrev    # Offset Into Abbrev. Section
45# The compile-unit DIE, which has DW_AT_producer and DW_AT_str_offsets.
46        .byte 1                # Abbreviation code
47        .byte 0                # Index of string for DW_AT_producer.
48        .long 1000             # Bad value for DW_AT_str_offsets_base
49        .byte 0 # NULL
50CU1_5_end:
51
52# The second unit's CU DIE uses an invalid string index.
53
54# DWARF v5 CU header
55        .long  CU2_5_end-CU2_5_version  # Length of Unit
56CU2_5_version:
57        .short 5               # DWARF version number
58        .byte 1                # DWARF Unit Type
59        .byte 8                # Address Size (in bytes)
60        .long .debug_abbrev    # Offset Into Abbrev. Section
61# The compile-unit DIE, which has DW_AT_producer and DW_AT_str_offsets.
62        .byte 1                # Abbreviation code
63        .byte 100              # Invalid string index
64        .long .debug_str_offsets_base0
65        .byte 0 # NULL
66CU2_5_end:
67
68# The third unit's CU DIE uses a valid string index but the entry in the
69# string offsets table is invalid.
70
71# DWARF v5 CU header
72        .long  CU3_5_end-CU3_5_version  # Length of Unit
73CU3_5_version:
74        .short 5               # DWARF version number
75        .byte 1                # DWARF Unit Type
76        .byte 8                # Address Size (in bytes)
77        .long .debug_abbrev    # Offset Into Abbrev. Section
78# The compile-unit DIE, which has DW_AT_producer and DW_AT_str_offsets.
79        .byte 1                # Abbreviation code
80        .byte 1                # Index of string for DW_AT_producer.
81        .long .debug_str_offsets_base0
82        .byte 0 # NULL
83CU3_5_end:
84
85# VERIFY-DAG:      error: DW_FORM_strx used without a valid string offsets table:
86# VERIFY-DAG:      error: DW_FORM_strx uses index 100, which is too large:
87# VERIFY-DAG:      error: DW_FORM_strx uses index 1, but the referenced string offset
88# VERIFY-DAG-SAME: is beyond .debug_str bounds:
89