lld/test/ELF/undef-suggest-version.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
   3 # RUN: echo 'v1 {bar;};' > %t.ver
   4 # RUN: ld.lld -shared --version-script %t.ver %t.o -o %t.so
   5
   6 ## For an unversioned undefined symbol, check we can suggest the symbol with the
   7 ## default version.
   8 # RUN: echo 'call bat' | llvm-mc -filetype=obj -triple=x86_64 - -o %tdef1.o
   9 # RUN: not ld.lld %t.so %tdef1.o -o /dev/null 2>&1 | FileCheck --check-prefix=DEFAULT1 %s
  10
  11 # DEFAULT1:      error: undefined symbol: bat
  12 # DEFAULT1-NEXT: >>> referenced by {{.*}}.o:(.text+0x1)
  13 # DEFAULT1-NEXT: >>> did you mean: bar{{$}}
  14 # DEFAULT1-NEXT: >>> defined in: {{.*}}.so
  15
  16 ## For a versioned undefined symbol, check we can suggest the symbol with the
  17 ## default version.
  18 # RUN: echo '.symver bar.v2,bar@v2; call bar.v2' | llvm-mc -filetype=obj -triple=x86_64 - -o %tdef2.o
  19 # RUN: not ld.lld %t.so %tdef2.o -o /dev/null 2>&1 | FileCheck --check-prefix=DEFAULT2 %s
  20
  21 # DEFAULT2:      error: undefined symbol: bar@v2
  22 # DEFAULT2-NEXT: >>> referenced by {{.*}}.o:(.text+0x1)
  23 # DEFAULT2-NEXT: >>> did you mean: bar{{$}}
  24 # DEFAULT2-NEXT: >>> defined in: {{.*}}.so
  25
  26 ## For an unversioned undefined symbol, check we can suggest a symbol with
  27 ## a non-default version.
  28 # RUN: echo 'call foo; call _Z3fooi' | llvm-mc -filetype=obj -triple=x86_64 - -o %thidden1.o
  29 # RUN: not ld.lld %t.so %thidden1.o -o /dev/null 2>&1 | FileCheck --check-prefix=HIDDEN1 %s
  30
  31 # HIDDEN1:      error: undefined symbol: foo
  32 # HIDDEN1-NEXT: >>> referenced by {{.*}}.o:(.text+0x1)
  33 # HIDDEN1-NEXT: >>> did you mean: foo@v1
  34 # HIDDEN1-NEXT: >>> defined in: {{.*}}.so
  35 # HIDDEN1-EMPTY:
  36 # HIDDEN1-NEXT: error: undefined symbol: foo(int)
  37 # HIDDEN1-NEXT: >>> referenced by {{.*}}.o:(.text+0x6)
  38 # HIDDEN1-NEXT: >>> did you mean: foo(int)@v1
  39 # HIDDEN1-NEXT: >>> defined in: {{.*}}.so
  40
  41 ## For a versioned undefined symbol, check we can suggest a symbol with
  42 ## a different version.
  43 # RUN: echo '.symver foo.v2,foo@v2; call foo.v2' | llvm-mc -filetype=obj -triple=x86_64 - -o %thidden2.o
  44 # RUN: not ld.lld %t.so %thidden2.o -o /dev/null 2>&1 | FileCheck --check-prefix=HIDDEN2 %s
  45
  46 # HIDDEN2:      error: undefined symbol: foo@v2
  47 # HIDDEN2-NEXT: >>> referenced by {{.*}}.o:(.text+0x1)
  48 # HIDDEN2-NEXT: >>> did you mean: foo@v1
  49 # HIDDEN2-NEXT: >>> defined in: {{.*}}.so
  50
  51 ## %t.so exports bar@@v1 and two VERSYM_HIDDEN symbols: foo@v1 and _Z3fooi@v1.
  52 .globl foo.v1, _Z3fooi.v1, bar
  53 .symver foo.v1,foo@v1
  54 .symver _Z3fooi.v1,_Z3fooi@v1
  55 foo.v1:
  56 _Z3fooi.v1:
  57 bar: