xref: /llvm-project/llvm/test/tools/llvm-readobj/ELF/linker-options.test (revision a6436b0b3a7fd9f13d7a059a6a78544a7e0b702f)
1## Check that we can use the --elf-linker-options option
2## to dump SHT_LLVM_LINKER_OPTIONS sections.
3
4# RUN: yaml2obj --docnum=1 %s -o %t1
5# RUN: llvm-readobj --elf-linker-options %t1 2>&1 | FileCheck %s -DFILE=%t1
6
7# CHECK:      LinkerOptions [
8# CHECK:        option 0: value 0
9# CHECK:        option 1: value 1
10# CHECK-NEXT:   warning: '[[FILE]]': SHT_LLVM_LINKER_OPTIONS section at index 2 is broken: an incomplete key-value pair was found. The last possible key was: "c"
11# CHECK-NEXT:   warning: '[[FILE]]': SHT_LLVM_LINKER_OPTIONS section at index 4 is broken: the content is not null-terminated
12# CHECK-NEXT:   warning: '[[FILE]]': unable to read the content of the SHT_LLVM_LINKER_OPTIONS section: section [index 5] has a sh_offset (0xffffffff) + sh_size (0x8) that is greater than the file size (0x370)
13# CHECK-NEXT:   option 3: value 3
14# CHECK-NEXT: ]
15
16--- !ELF
17FileHeader:
18  Class: ELFCLASS64
19  Data:  ELFDATA2LSB
20  Type:  ET_REL
21Sections:
22## Case 1: a correct case.
23  - Name: .linker-options.valid1
24    Type: SHT_LLVM_LINKER_OPTIONS
25    Options:
26      - Name:  option 0
27        Value: value 0
28      - Name:  option 1
29        Value: value 1
30## Case 2: check we do not attempt to dump data from outside the SHT_LLVM_LINKER_OPTIONS section
31##         when it contains an incomplete key-value pair.
32  - Name:    .linker-options.incomplete
33    Type:    SHT_LLVM_LINKER_OPTIONS
34    Content: "610062006300" ## 'a', '\0', 'b', '\0', 'c', '\0'
35  - Type:    Fill
36    Pattern: "FF"
37    Size:    "1"
38## Case 3: in case of an empty section we dump nothing.
39  - Name:    .linker-options.empty
40    Type:    SHT_LLVM_LINKER_OPTIONS
41    Content: ""
42## Case 4: check we do not attempt to dump data from outside the SHT_LLVM_LINKER_OPTIONS section
43##         when it is not null-terminated.
44  - Name:    .linker-options.nonul
45    Type:    SHT_LLVM_LINKER_OPTIONS
46    Content: "61"
47## Case 5: check we report a warning when it is not possible to read
48##         the content of the SHT_LLVM_LINKER_OPTIONS section.
49  - Name:     .linker-options.broken.content
50    Type:     SHT_LLVM_LINKER_OPTIONS
51    ShOffset: 0xffffffff
52    Options:
53      - Name:  foo
54        Value: bar
55## Case 6: another correct case to show we do not stop dumping after reporting a warning.
56  - Name: .linker-options.valid2
57    Type: SHT_LLVM_LINKER_OPTIONS
58    Options:
59      - Name:  option 3
60        Value: value 3
61
62## llvm-readelf doesn't support --elf-linker-options yet.
63# RUN: llvm-readelf --elf-linker-options %t1 2>&1 | FileCheck %s --check-prefix=READELF
64
65# READELF: printELFLinkerOptions not implemented!
66