xref: /llvm-project/llvm/test/tools/llvm-objcopy/ELF/remove-section-in-segment.test (revision a7a447be0fa934505f0c423fb97b91a68c1cc715)
1# Show that --remove-section removes sections in segments.
2
3# RUN: yaml2obj %s -o %t
4
5# Validate the offsets for the later parts of the test.
6# RUN: llvm-objcopy %t %t.copy
7# Skip to the start of the sections, which should be immediately after the
8# program header table (i.e. sizeof(Elf64_Ehdr) + sizeof(Elf64_Phdr) == 120).
9# RUN: od -t x1 -N 16 -j 120 %t.copy | FileCheck %s --check-prefix=COPY
10
11# COPY: 11 22 33 44 55 66 77 88
12
13# RUN: llvm-objcopy --remove-section non_alloc %t %t.nonalloc
14# RUN: llvm-readelf --sections %t.nonalloc | FileCheck %s --check-prefix=NONALLOC-SHDRS
15# RUN: od -t x1 -N 16 -j 120 %t.nonalloc | FileCheck %s --check-prefix=NONALLOC-BYTES
16
17# NONALLOC-SHDRS-NOT: non_alloc
18# NONALLOC-BYTES: 11 22 33 44 00 00 00 00
19
20# RUN: llvm-objcopy --remove-section shf_alloc %t %t.alloc
21# RUN: llvm-readelf --sections %t.alloc | FileCheck %s --check-prefix=ALLOC-SHDRS
22# RUN: od -t x1 -N 16 -j 120 %t.alloc | FileCheck %s --check-prefix=ALLOC-BYTES
23
24# ALLOC-SHDRS-NOT: shf_alloc
25# ALLOC-BYTES: 00 00 00 00 55 66 77 88
26
27--- !ELF
28FileHeader:
29  Class:   ELFCLASS64
30  Data:    ELFDATA2LSB
31  Type:    ET_EXEC
32  Machine: EM_X86_64
33Sections:
34  - Name:    shf_alloc
35    Type:    SHT_PROGBITS
36    Flags:   [SHF_ALLOC]
37    Content: '11223344'
38  - Name:    non_alloc
39    Type:    SHT_PROGBITS
40    Flags:   []
41    Content: '55667788'
42ProgramHeaders:
43  # Use an arbitrary segment type to show that the segment type is unimportant.
44  - Type: 0x61234567
45    FirstSec: shf_alloc
46    LastSec:  non_alloc
47