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
27  Machine: EM_X86_64
28Sections:
29  - Name:  .dynstr
30    Type:  SHT_STRTAB
31    Flags: [ SHF_ALLOC ]
32    Content: '00616161006262620063636300' ## 0,a,a,a,0,b,b,b,0,c,c,c,0
33  - Name:    .dynamic
34    Type:    SHT_DYNAMIC
35    Entries:
36      - Tag:   DT_STRTAB
37        Value: 0x0000000000000000
38      - Tag:   DT_NEEDED
39        Value: 0x9999999
40      - Tag:   DT_NEEDED
41        Value: 9
42      - Tag:   DT_NEEDED
43        Value: 1
44      - Tag:   DT_NEEDED
45        Value: 5
46      - Tag:   DT_NEEDED
47        Value: 0x1111111
48      - Tag:   DT_STRSZ
49        Value: 0xD
50      - Tag:   DT_NULL
51        Value: 0x0
52ProgramHeaders:
53  - Type: PT_LOAD
54    VAddr: 0x0
55    Sections:
56      - Section: .dynstr
57      - Section: .dynamic
58
59## Check what we print when the dynamic string table is empty.
60# RUN: yaml2obj %s --docnum=2 -o %t2
61# RUN: llvm-readobj --needed-libs %t2 2>&1 | \
62# RUN:   FileCheck %s -DFILE=%t2 --implicit-check-not=warning: --check-prefixes=EMPTY-DYNSTR,EMPTY-DYNSTR-LLVM
63# RUN: llvm-readelf --needed-libs %t2 2>&1 | \
64# RUN:   FileCheck %s -DFILE=%t2 --implicit-check-not=warning: --check-prefix=EMPTY-DYNSTR
65
66# EMPTY-DYNSTR:      warning: '[[FILE]]': string table at offset 0x78: unable to read the string at 0x78, it goes past the end of the table (0x78)
67# EMPTY-DYNSTR-LLVM: LoadName: <?>
68# EMPTY-DYNSTR:      NeededLibraries [
69# 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)
70# 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)
71# EMPTY-DYNSTR-NEXT:   <?>
72# EMPTY-DYNSTR-NEXT:   <?>
73# EMPTY-DYNSTR-NEXT: ]
74
75--- !ELF
76FileHeader:
77  Class:   ELFCLASS64
78  Data:    ELFDATA2LSB
79  Type:    ET_EXEC
80  Machine: EM_X86_64
81Sections:
82  - Name:  .dynstr
83    Type:  SHT_STRTAB
84    Flags: [ SHF_ALLOC ]
85    Size:  0
86  - Name:    .dynamic
87    Type:    SHT_DYNAMIC
88    Address: 0x1000
89    Entries:
90      - Tag:   DT_STRTAB
91        Value: 0x0000000000000000
92      - Tag:   DT_NEEDED
93        Value: 1
94      - Tag:   DT_NEEDED
95        Value: 2
96      - Tag:   DT_STRSZ
97        Value: 0x0
98      - Tag:   DT_NULL
99        Value: 0x0
100ProgramHeaders:
101  - Type: PT_LOAD
102    VAddr: 0x0
103    Sections:
104      - Section: .dynstr
105      - Section: .dynamic
106