xref: /llvm-project/lld/test/ELF/gc-sections-merge.s (revision b159906a9a45ba9d8655a29014d585203faf0629)
1// REQUIRES: x86
2// RUN: llvm-mc %s -o %t.o -filetype=obj -triple=x86_64-pc-linux
3// RUN: ld.lld %t.o -o %t.so -shared
4// RUN: ld.lld %t.o -o %t.gc.so -shared --gc-sections
5// RUN: llvm-readobj -S --section-data %t.so | FileCheck %s
6// RUN: llvm-readobj -S --section-data %t.gc.so | FileCheck --check-prefix=GC %s
7
8
9// CHECK:      Name: .rodata
10// CHECK-NEXT: Type: SHT_PROGBITS
11// CHECK-NEXT: Flags [
12// CHECK-NEXT:   SHF_ALLOC
13// CHECK-NEXT:   SHF_MERGE
14// CHECK-NEXT:   SHF_STRINGS
15// CHECK-NEXT: ]
16// CHECK-NEXT: Address:
17// CHECK-NEXT: Offset:
18// CHECK-NEXT: Size: 8
19// CHECK-NEXT: Link: 0
20// CHECK-NEXT: Info: 0
21// CHECK-NEXT: AddressAlignment: 1
22// CHECK-NEXT: EntrySize: 1
23// CHECK-NEXT: SectionData (
24// CHECK-NEXT:   0000: 666F6F00 62617200                    |foo.bar.|
25// CHECK-NEXT: )
26
27// GC:      Name: .rodata
28// GC-NEXT: Type: SHT_PROGBITS
29// GC-NEXT: Flags [
30// GC-NEXT:   SHF_ALLOC
31// GC-NEXT:   SHF_MERGE
32// GC-NEXT:   SHF_STRINGS
33// GC-NEXT: ]
34// GC-NEXT: Address:
35// GC-NEXT: Offset:
36// GC-NEXT: Size: 4
37// GC-NEXT: Link: 0
38// GC-NEXT: Info: 0
39// GC-NEXT: AddressAlignment: 1
40// GC-NEXT: EntrySize: 1
41// GC-NEXT: SectionData (
42// GC-NEXT:   0000: 666F6F00                                |foo.|
43// GC-NEXT: )
44
45        .section        .text.f,"ax",@progbits
46        .globl  f
47f:
48        leaq    .L.str(%rip), %rax
49        retq
50
51        .section        .text.g,"ax",@progbits
52        .hidden g
53        .globl  g
54g:
55        leaq    .L.str.1(%rip), %rax
56        retq
57
58        .section        .rodata.str1.1,"aMS",@progbits,1
59.L.str:
60        .asciz  "foo"
61.L.str.1:
62        .asciz  "bar"
63