lld/test/ELF/gc-sections-local-sym.s

   1 // REQUIRES: x86
   2
   3 /// When copying local symbols, skip those defined in discarded sections.
   4
   5 // RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
   6 // RUN: ld.lld %t -o %t2 -shared --gc-sections
   7 // RUN: llvm-readobj --symbols -S --section-data %t2 | FileCheck %s
   8
   9 .global foo
  10 foo:
  11
  12 .section .bar,"a"
  13 zed:
  14
  15 // CHECK:      Name: .strtab
  16 // CHECK-NEXT: Type: SHT_STRTAB
  17 // CHECK-NEXT: Flags [
  18 // CHECK-NEXT: ]
  19 // CHECK-NEXT: Address:
  20 // CHECK-NEXT: Offset:
  21 // CHECK-NEXT: Size:
  22 // CHECK-NEXT: Link:
  23 // CHECK-NEXT: Info:
  24 // CHECK-NEXT: AddressAlignment:
  25 // CHECK-NEXT: EntrySize:
  26 // CHECK-NEXT: SectionData (
  27 // CHECK-NEXT:   0000: 00666F6F 005F4459 4E414D49 4300      |.foo._DYNAMIC.|
  28 // CHECK-NEXT: )
  29
  30 // CHECK:      Symbols [
  31 // CHECK-NEXT:   Symbol {
  32 // CHECK-NEXT:     Name:  (0)
  33 // CHECK-NEXT:     Value: 0x0
  34 // CHECK-NEXT:     Size: 0
  35 // CHECK-NEXT:     Binding: Local
  36 // CHECK-NEXT:     Type: None
  37 // CHECK-NEXT:     Other: 0
  38 // CHECK-NEXT:     Section: Undefined
  39 // CHECK-NEXT:   }
  40 // CHECK-NEXT:   Symbol {
  41 // CHECK-NEXT:     Name: _DYNAMIC
  42 // CHECK-NEXT:     Value:
  43 // CHECK-NEXT:     Size: 0
  44 // CHECK-NEXT:     Binding: Local
  45 // CHECK-NEXT:     Type: None
  46 // CHECK-NEXT:     Other [ (0x2)
  47 // CHECK-NEXT:       STV_HIDDEN
  48 // CHECK-NEXT:     ]
  49 // CHECK-NEXT:     Section: .dynamic
  50 // CHECK-NEXT:   }
  51 // CHECK-NEXT:   Symbol {
  52 // CHECK-NEXT:     Name: foo
  53 // CHECK-NEXT:     Value:
  54 // CHECK-NEXT:     Size:
  55 // CHECK-NEXT:     Binding: Global
  56 // CHECK-NEXT:     Type: None
  57 // CHECK-NEXT:     Other:
  58 // CHECK-NEXT:     Section: .text
  59 // CHECK-NEXT:   }
  60 // CHECK-NEXT: ]