llvm/test/tools/llvm-objcopy/ELF/weaken.test

   1 # RUN: yaml2obj %s -o %t
   2 # RUN: llvm-objcopy --weaken-symbol Global -W Local -W Weak -W GnuUnique -W Missing %t %t2
   3 # RUN: llvm-readobj --symbols %t2 | FileCheck %s
   4 # RUN: llvm-objcopy --regex --weaken-symbol='[LGW].*' %t %t3
   5 # RUN: cmp %t2 %t3
   6 # RUN: echo "  Global  # comment" > %t-list.txt
   7 # RUN: echo "Local" >> %t-list.txt
   8 # RUN: echo "Weak" >> %t-list.txt
   9 # RUN: echo "GnuUnique" >> %t-list.txt
  10 # RUN: echo "Missing" >> %t-list.txt
  11 # RUN: echo " # comment" >> %t-list.txt
  12 # RUN: llvm-objcopy --weaken-symbols %t-list.txt %t %t4
  13 # RUN: cmp %t2 %t4
  14 # RUN: echo ".*al # Global + Local == .*al" > %t-list2.txt
  15 # RUN: echo "Weak # weak" >> %t-list2.txt
  16 # RUN: echo " Gnu.*" >> %t-list2.txt
  17 # RUN: llvm-objcopy --regex --weaken-symbols %t-list2.txt %t %t5
  18 # RUN: cmp %t2 %t5
  19
  20 !ELF
  21 FileHeader:
  22   Class:           ELFCLASS64
  23   Data:            ELFDATA2LSB
  24   Type:            ET_REL
  25   Machine:         EM_X86_64
  26 Sections:
  27   - Name:            .text
  28     Type:            SHT_PROGBITS
  29     Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
  30     Address:         0x1000
  31     AddressAlign:    0x0000000000000010
  32     Size:            64
  33 Symbols:
  34   - Name:     Local
  35     Type:     STT_FUNC
  36     Section:  .text
  37     Value:    0x1000
  38     Size:     8
  39   - Name:     Global
  40     Type:     STT_FUNC
  41     Size:     8
  42     Section:  .text
  43     Value:    0x1010
  44     Binding:  STB_GLOBAL
  45   - Name:     Weak
  46     Type:     STT_FUNC
  47     Size:     8
  48     Section:  .text
  49     Value:    0x1008
  50     Binding:  STB_WEAK
  51   - Name:     GnuUnique
  52     Section:  .text
  53     Binding:  STB_GNU_UNIQUE
  54   - Name:     Unspecified
  55     Section:  .text
  56     Binding:  STB_GLOBAL
  57
  58 #CHECK: Symbols [
  59 #CHECK-NEXT:  Symbol {
  60 #CHECK-NEXT:    Name:
  61 #CHECK-NEXT:    Value: 0x0
  62 #CHECK-NEXT:    Size: 0
  63 #CHECK-NEXT:    Binding: Local
  64 #CHECK-NEXT:    Type: None
  65 #CHECK-NEXT:    Other: 0
  66 #CHECK-NEXT:    Section: Undefined
  67 #CHECK-NEXT:  }
  68 #CHECK-NEXT:  Symbol {
  69 #CHECK-NEXT:    Name: Local
  70 #CHECK-NEXT:    Value: 0x1000
  71 #CHECK-NEXT:    Size: 8
  72 #CHECK-NEXT:    Binding: Local
  73 #CHECK-NEXT:    Type: Function
  74 #CHECK-NEXT:    Other: 0
  75 #CHECK-NEXT:    Section: .text
  76 #CHECK-NEXT:  }
  77 #CHECK-NEXT:  Symbol {
  78 #CHECK-NEXT:    Name: Global
  79 #CHECK-NEXT:    Value: 0x1010
  80 #CHECK-NEXT:    Size: 8
  81 #CHECK-NEXT:    Binding: Weak
  82 #CHECK-NEXT:    Type: Function
  83 #CHECK-NEXT:    Other: 0
  84 #CHECK-NEXT:    Section: .text
  85 #CHECK-NEXT:  }
  86 #CHECK-NEXT:  Symbol {
  87 #CHECK-NEXT:    Name: Weak
  88 #CHECK-NEXT:    Value: 0x1008
  89 #CHECK-NEXT:    Size: 8
  90 #CHECK-NEXT:    Binding: Weak
  91 #CHECK-NEXT:    Type: Function
  92 #CHECK-NEXT:    Other: 0
  93 #CHECK-NEXT:    Section: .text
  94 #CHECK-NEXT:  }
  95 #CHECK-NEXT:  Symbol {
  96 #CHECK-NEXT:    Name: GnuUnique
  97 #CHECK-NEXT:    Value: 0x0
  98 #CHECK-NEXT:    Size: 0
  99 #CHECK-NEXT:    Binding: Weak
 100 #CHECK-NEXT:    Type: None
 101 #CHECK-NEXT:    Other: 0
 102 #CHECK-NEXT:    Section: .text
 103 #CHECK-NEXT:  }
 104 #CHECK-NEXT:  Symbol {
 105 #CHECK-NEXT:    Name: Unspecified
 106 #CHECK-NEXT:    Value: 0x0
 107 #CHECK-NEXT:    Size: 0
 108 #CHECK-NEXT:    Binding: Global
 109 #CHECK-NEXT:    Type: None
 110 #CHECK-NEXT:    Other: 0
 111 #CHECK-NEXT:    Section: .text
 112 #CHECK-NEXT:  }
 113 #CHECK-NEXT:]