lld/test/ELF/bss.s

   1 // REQUIRES: x86
   2 // RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
   3 // RUN: ld.lld %t -o %t2
   4 // RUN: llvm-readobj --sections %t2 | FileCheck %s
   5
   6 // Test that bss takes no space on disk.
   7
   8 // CHECK:        Name: .bss
   9 // CHECK-NEXT:   Type: SHT_NOBITS
  10 // CHECK-NEXT:   Flags [
  11 // CHECK-NEXT:     SHF_ALLOC
  12 // CHECK-NEXT:     SHF_WRITE
  13 // CHECK-NEXT:   ]
  14 // CHECK-NEXT:   Address:
  15 // CHECK-NEXT:   Offset: 0x[[OFFSET:.*]]
  16 // CHECK-NEXT:   Size: 4
  17 // CHECK-NEXT:   Link: 0
  18 // CHECK-NEXT:   Info: 0
  19 // CHECK-NEXT:   AddressAlignment:
  20 // CHECK-NEXT:   EntrySize: 0
  21 // CHECK-NEXT: }
  22 // CHECK-NEXT: Section {
  23 // CHECK-NEXT:   Index:
  24 // CHECK-NEXT:   Name:
  25 // CHECK-NEXT:   Type:
  26 // CHECK-NEXT:   Flags [
  27 // CHECK-NEXT:     SHF_MERGE
  28 // CHECK-NEXT:     SHF_STRINGS
  29 // CHECK-NEXT:   ]
  30 // CHECK-NEXT: Address:
  31 // CHECK-NEXT: Offset: 0x[[OFFSET]]
  32
  33         .global _start
  34 _start:
  35
  36         .bss
  37         .zero 4