1## In this test we check the --needed-libs option.
2
3# RUN: yaml2obj %s --docnum=1 -o %t1
4# RUN: llvm-readobj --needed-libs %t1 2>&1 \
5# RUN:   | FileCheck %s -DFILE=%t1 --implicit-check-not=warning: --strict-whitespace --check-prefix=NEEDED-LIBS
6# RUN: llvm-readelf --needed-libs %t1 2>&1 \
7# RUN:   | FileCheck %s -DFILE=%t1 --implicit-check-not=warning: --strict-whitespace --check-prefix=NEEDED-LIBS
8
9## Check that library names are sorted when printed.
10## Document that we also sort error entries.
11
12#      NEEDED-LIBS:{{^}}NeededLibraries [{{$}}
13# NEEDED-LIBS-NEXT:  warning: '[[FILE]]': string table at offset 0x78: unable to read the string at 0x9999a11: it goes past the end of the table (0x85){{$}}
14# NEEDED-LIBS-NEXT:  warning: '[[FILE]]': string table at offset 0x78: unable to read the string at 0x1111189: it goes past the end of the table (0x85){{$}}
15# NEEDED-LIBS-NEXT:{{^}}  <?>{{$}}
16# NEEDED-LIBS-NEXT:{{^}}  <?>{{$}}
17# NEEDED-LIBS-NEXT:{{^}}  aaa{{$}}
18# NEEDED-LIBS-NEXT:{{^}}  bbb{{$}}
19# NEEDED-LIBS-NEXT:{{^}}  ccc{{$}}
20# NEEDED-LIBS-NEXT:{{^}}]{{$}}
21
22--- !ELF
23FileHeader:
24  Class: ELFCLASS64
25  Data:  ELFDATA2LSB
26  Type:  ET_EXEC
27Sections:
28  - Name:  .dynstr
29    Type:  SHT_STRTAB
30    Flags: [ SHF_ALLOC ]
31    Content: '00616161006262620063636300' ## 0,a,a,a,0,b,b,b,0,c,c,c,0
32  - Name:    .dynamic
33    Type:    SHT_DYNAMIC
34    Entries:
35      - Tag:   DT_STRTAB
36        Value: 0x0000000000000000
37      - Tag:   DT_NEEDED
38        Value: 0x9999999
39      - Tag:   DT_NEEDED
40        Value: 9
41      - Tag:   DT_NEEDED
42        Value: 1
43      - Tag:   DT_NEEDED
44        Value: 5
45      - Tag:   DT_NEEDED
46        Value: 0x1111111
47      - Tag:   DT_STRSZ
48        Value: [[SIZE=0xD]]
49      - Tag:   DT_NULL
50        Value: 0x0
51ProgramHeaders:
52  - Type: PT_LOAD
53    VAddr: 0x0
54    FirstSec: .dynstr
55    LastSec:  .dynamic
56
57## Check what we print when the dynamic string table is empty.
58# RUN: yaml2obj %s --docnum=2 -o %t2
59# RUN: llvm-readobj --needed-libs %t2 2>&1 | \
60# RUN:   FileCheck %s -DFILE=%t2 --implicit-check-not=warning: --check-prefix=EMPTY-DYNSTR
61# RUN: llvm-readelf --needed-libs %t2 2>&1 | \
62# RUN:   FileCheck %s -DFILE=%t2 --implicit-check-not=warning: --check-prefix=EMPTY-DYNSTR
63
64# EMPTY-DYNSTR:      NeededLibraries [
65# EMPTY-DYNSTR-NEXT: warning: '[[FILE]]': string table at offset 0x78: unable to read the string at 0x79: it goes past the end of the table (0x78)
66# EMPTY-DYNSTR-NEXT: warning: '[[FILE]]': string table at offset 0x78: unable to read the string at 0x7a: it goes past the end of the table (0x78)
67# EMPTY-DYNSTR-NEXT:   <?>
68# EMPTY-DYNSTR-NEXT:   <?>
69# EMPTY-DYNSTR-NEXT: ]
70
71--- !ELF
72FileHeader:
73  Class: ELFCLASS64
74  Data:  ELFDATA2LSB
75  Type:  ET_EXEC
76Sections:
77  - Name:  .dynstr
78    Type:  SHT_STRTAB
79    Flags: [ SHF_ALLOC ]
80    Size:  0
81  - Name:    .dynamic
82    Type:    SHT_DYNAMIC
83    Address: 0x1000
84    Entries:
85      - Tag:   DT_STRTAB
86        Value: 0x0000000000000000
87      - Tag:   DT_NEEDED
88        Value: 1
89      - Tag:   DT_NEEDED
90        Value: 2
91      - Tag:   DT_STRSZ
92        Value: 0x0
93      - Tag:   DT_NULL
94        Value: 0x0
95ProgramHeaders:
96  - Type:     PT_LOAD
97    VAddr:    0x0
98    FirstSec: .dynstr
99    LastSec:  .dynamic
100