lld/test/ELF/version-script.s

   1 # REQUIRES: x86
   2
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/shared.s -o %t2.o
   4 # RUN: ld.lld -shared %t2.o -soname shared -o %t2.so
   5
   6 # RUN: echo "{ global: foo1; foo3; local: *; };" > %t.script
   7 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
   8 # RUN: ld.lld --version-script %t.script -shared %t.o %t2.so -o %t.so --fatal-warnings
   9 # RUN: llvm-readelf --dyn-syms %t.so | FileCheck --check-prefix=DSO %s
  10
  11 # RUN: echo "# comment" > %t3.script
  12 # RUN: echo "{ local: *; # comment" >> %t3.script
  13 # RUN: echo -n "}; # comment" >> %t3.script
  14 # RUN: ld.lld --version-script %t3.script -shared %t.o %t2.so -o %t3.so
  15 # RUN: llvm-readelf --dyn-syms %t3.so | FileCheck --check-prefix=DSO2 %s
  16
  17 ## Also check that both "global:" and "global :" forms are accepted
  18 # RUN: echo "VERSION_1.0 { global : foo1; local : *; };" > %t4.script
  19 # RUN: echo "VERSION_2.0 { global: foo3; local: *; };" >> %t4.script
  20 # RUN: ld.lld --version-script %t4.script -shared %t.o %t2.so -o %t4.so --fatal-warnings
  21 # RUN: llvm-readelf --dyn-syms %t4.so | FileCheck --check-prefix=VERDSO %s
  22
  23 # RUN: echo "VERSION_1.0 { global: foo1; local: *; };" > %t5.script
  24 # RUN: echo "{ global: foo3; local: *; };" >> %t5.script
  25 # RUN: not ld.lld --version-script %t5.script -shared %t.o %t2.so -o /dev/null 2>&1 | \
  26 # RUN:   FileCheck -check-prefix=ERR1 %s
  27 # ERR1: anonymous version definition is used in combination with other version definitions
  28
  29 # RUN: echo "{ global: foo1; local: *; };" > %t5.script
  30 # RUN: echo "VERSION_2.0 { global: foo3; local: *; };" >> %t5.script
  31 # RUN: not ld.lld --version-script %t5.script -shared %t.o %t2.so -o /dev/null 2>&1 | \
  32 # RUN:   FileCheck -check-prefix=ERR2 %s
  33 # ERR2: EOF expected, but got VERSION_2.0
  34
  35 # RUN: echo "{ foo1; foo2; };" > %t.list
  36 # RUN: ld.lld --version-script %t.script --dynamic-list %t.list %t.o %t2.so -o %t2
  37 # RUN: llvm-readobj %t2 > /dev/null
  38
  39 ## Check that we can handle multiple "--version-script" options.
  40 # RUN: echo "VERSION_1.0 { global : foo1; local : *; };" > %t7a.script
  41 # RUN: echo "VERSION_2.0 { global: foo3; local: *; };" > %t7b.script
  42 # RUN: ld.lld --version-script %t7a.script --version-script %t7b.script -shared %t.o %t2.so -o %t7.so
  43 # RUN: llvm-readelf --dyn-syms %t7.so | FileCheck --check-prefix=VERDSO %s
  44
  45 # DSO:      bar{{$}}
  46 # DSO-NEXT: foo1{{$}}
  47 # DSO-NEXT: foo3{{$}}
  48 # DSO-NOT:  {{.}}
  49
  50 # DSO2:      bar{{$}}
  51 # DSO2-NOT:  {{.}}
  52
  53 # VERDSO:      bar{{$}}
  54 # VERDSO-NEXT: foo1@@VERSION_1.0
  55 # VERDSO-NEXT: foo3@@VERSION_2.0
  56 # VERDSO-NOT:  {{.}}
  57
  58 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
  59 # RUN: ld.lld --hash-style=sysv -shared %t.o %t2.so -o %t.so
  60 # RUN: llvm-readelf --dyn-syms %t.so | FileCheck --check-prefix=ALL %s
  61
  62 # RUN: echo "{ global: foo1; foo3; };" > %t2.script
  63 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
  64 # RUN: ld.lld --hash-style=sysv --version-script %t2.script -shared %t.o %t2.so -o %t.so
  65 # RUN: llvm-readelf --dyn-syms %t.so | FileCheck --check-prefix=ALL %s
  66
  67 # ALL:      foo1{{$}}
  68 # ALL-NEXT: bar{{$}}
  69 # ALL-NEXT: foo2{{$}}
  70 # ALL-NEXT: foo3{{$}}
  71 # ALL-NEXT: _start{{$}}
  72 # ALL-NOT:  {{.}}
  73
  74 # RUN: echo "VERSION_1.0 { global: foo1; foo1; local: *; };" > %t8.script
  75 # RUN: ld.lld --version-script %t8.script -shared %t.o -o /dev/null --fatal-warnings
  76
  77 .globl foo1
  78 foo1:
  79   call bar@PLT
  80   ret
  81
  82 .globl foo2
  83 foo2:
  84   ret
  85
  86 .globl foo3
  87 foo3:
  88   call foo2@PLT
  89   ret
  90
  91 .globl _start
  92 _start:
  93   ret