lld/test/ELF/warn-unresolved-symbols.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t1.o
   3
   4 ## The link should fail with an undef error by default
   5 # RUN: not ld.lld %t1.o -o /dev/null 2>&1 | \
   6 # RUN: FileCheck -check-prefix=ERRUND %s
   7
   8 ## --error-unresolved-symbols should generate an error
   9 # RUN: not ld.lld %t1.o -o /dev/null --error-unresolved-symbols 2>&1 | \
  10 # RUN: FileCheck -check-prefix=ERRUND %s
  11
  12 ## --warn-unresolved-symbols should generate a warning
  13 # RUN: ld.lld %t1.o -o %t5 --warn-unresolved-symbols 2>&1 | \
  14 # RUN: FileCheck -check-prefix=WARNUND %s
  15
  16 ## Test that the last option wins
  17 # RUN: ld.lld %t1.o -o %t5 --error-unresolved-symbols --warn-unresolved-symbols 2>&1 | \
  18 # RUN:  FileCheck -check-prefix=WARNUND %s
  19 # RUN: not ld.lld %t1.o -o /dev/null --warn-unresolved-symbols --error-unresolved-symbols 2>&1 | \
  20 # RUN:  FileCheck -check-prefix=ERRUND %s
  21
  22 ## Do not report undefines if linking relocatable or shared.
  23 ## And while we're at it, check that we can accept single -
  24 ## variants of these options.
  25 # RUN: ld.lld -r %t1.o -o /dev/null -error-unresolved-symbols 2>&1 | \
  26 # RUN:  FileCheck -allow-empty -check-prefix=NOERR %s
  27 # RUN: ld.lld -shared %t1.o -o /dev/null --error-unresolved-symbols 2>&1 | \
  28 # RUN:  FileCheck -allow-empty -check-prefix=NOERR %s
  29 # RUN: ld.lld -r %t1.o -o /dev/null -warn-unresolved-symbols 2>&1 | \
  30 # RUN:  FileCheck -allow-empty -check-prefix=NOWARN %s
  31 # RUN: ld.lld -shared %t1.o -o /dev/null --warn-unresolved-symbols 2>&1 | \
  32 # RUN:  FileCheck -allow-empty -check-prefix=NOWARN %s
  33
  34 # ERRUND: error: undefined symbol: undef
  35 # ERRUND: >>> referenced by {{.*}}:(.text+0x1)
  36
  37 # WARNUND: warning: undefined symbol: undef
  38 # WARNUND: >>> referenced by {{.*}}:(.text+0x1)
  39
  40 # NOERR-NOT: error: undefined symbol: undef
  41 # NOERR-NOT: >>> referenced by {{.*}}:(.text+0x1)
  42
  43 # NOWARN-NOT: warning: undefined symbol: undef
  44 # NOWARN-NOT: >>> referenced by {{.*}}:(.text+0x1)
  45
  46 .globl _start
  47 _start:
  48
  49 .globl _shared
  50 _shared:
  51  callq undef@PLT