xref: /llvm-project/llvm/test/tools/llvm-readobj/ELF/hex-dump.test (revision 24f22b3f93f950348cbff35feb7ad9a5d16d916d)
1## Test that the -x alias can be used flexibly. Create a baseline and ensure
2## all other combinations are identical.
3# RUN: yaml2obj --docnum=1 %s -o %t
4# RUN: llvm-readelf --file-header --hex-dump=.shstrtab %t > %t.hexdump.out
5# RUN: llvm-readelf -h --hex-dump .shstrtab %t | cmp %t.hexdump.out -
6# RUN: llvm-readelf -h -x .shstrtab %t | cmp %t.hexdump.out -
7# RUN: llvm-readelf -h -x.shstrtab %t | cmp %t.hexdump.out -
8# RUN: llvm-readelf -hx .shstrtab %t | cmp %t.hexdump.out -
9# RUN: llvm-readelf -hx.shstrtab %t | cmp %t.hexdump.out -
10
11## A basic correctness check to verify that the .shstrtab section has index 2.
12# RUN: llvm-readelf -S %t | FileCheck %s --check-prefix=ELF-SEC
13# ELF-SEC: [ 2] .shstrtab
14
15## Test we dump the section only once when the option is specified multiple times for the same section.
16# RUN: llvm-readobj -x 2 -x 2 -x .shstrtab -x .shstrtab %t 2>&1 \
17# RUN:   | FileCheck %s --check-prefix=ELF
18## Test warnings reported when an unknown section name and index are specified.
19# RUN: llvm-readobj -x 2 -x .shstrtab -x 3 -x not_exist %t 2>&1 \
20# RUN:   | FileCheck %s -DFILE=%t --check-prefixes=ELF-WARN,ELF
21
22# ELF-WARN: warning: '[[FILE]]': could not find section 'not_exist'
23# ELF-WARN: warning: '[[FILE]]': could not find section 3
24# ELF:      Hex dump of section '.shstrtab':
25# ELF-NEXT: 0x00000000 002e7368 73747274 6162002e 73747274 ..shstrtab..strt
26# ELF-NEXT: 0x00000010 616200                              ab.
27# ELF-NOT:  {{.}}
28
29## This test shows that we include the tool name in an error/warning message.
30# RUN: llvm-readelf -x 10 %t 2>&1 | FileCheck --check-prefix=WARN %s -DTOOL=readelf
31# RUN: llvm-readobj -x 10 %t 2>&1 | FileCheck --check-prefix=WARN %s -DTOOL=readobj
32
33# WARN: llvm-[[TOOL]]{{(\.exe)?}}: warning: '{{.*}}': could not find section 10
34
35--- !ELF
36FileHeader:
37  Class: ELFCLASS32
38  Data:  ELFDATA2LSB
39  Type:  ET_DYN
40
41## Test that llvm-readelf emits the correct number of spaces between the hex data
42## and its ascii representation.
43
44## a) When the hex data doesn't fill a column other than the last one.
45# RUN: yaml2obj --docnum=2 -DSIZE=18 %s -o %t2.out1
46# RUN: llvm-readelf --hex-dump=.sec %t2.out1 | \
47# RUN:   FileCheck %s --match-full-lines --strict-whitespace --check-prefix=SPACES1
48
49#      SPACES1:{{^$}}
50# SPACES1-NEXT:Hex dump of section '.sec':
51# SPACES1-NEXT:0x00000000 00000000 00000000 00000000 00000000 ................
52# SPACES1-NEXT:0x00000010 0000                                ..
53
54## b) When the hex data doesn't fill the last column.
55# RUN: yaml2obj --docnum=2 -DSIZE=30 %s -o %t2.out2
56# RUN: llvm-readelf --hex-dump=.sec %t2.out2 | \
57# RUN:   FileCheck %s --match-full-lines --strict-whitespace --check-prefix=SPACES2
58
59#      SPACES2:{{^$}}
60# SPACES2-NEXT:Hex dump of section '.sec':
61# SPACES2-NEXT:0x00000000 00000000 00000000 00000000 00000000 ................
62# SPACES2-NEXT:0x00000010 00000000 00000000 00000000 0000     ..............
63
64## c) When the hex data fills a column.
65# RUN: yaml2obj --docnum=2 -DSIZE=28 %s -o %t2.out3
66# RUN: llvm-readelf --hex-dump=.sec %t2.out3 | \
67# RUN:   FileCheck %s --match-full-lines --strict-whitespace --check-prefix=SPACES3
68
69#      SPACES3:{{^$}}
70# SPACES3-NEXT:Hex dump of section '.sec':
71# SPACES3-NEXT:0x00000000 00000000 00000000 00000000 00000000 ................
72# SPACES3-NEXT:0x00000010 00000000 00000000 00000000          ............
73
74--- !ELF
75FileHeader:
76  Class: ELFCLASS32
77  Data:  ELFDATA2LSB
78  Type:  ET_DYN
79Sections:
80  - Name: .sec
81    Type: SHT_PROGBITS
82    Size: [[SIZE]]
83