lld/test/ELF/undef.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %p/Inputs/undef.s -o %t2.o
   4 # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %p/Inputs/undef-debug.s -o %t3.o
   5 # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %p/Inputs/undef-bad-debug.s -o %t4.o
   6 # RUN: rm -f %t2.a
   7 # RUN: llvm-ar rc %t2.a %t2.o
   8 # RUN: not ld.lld --threads=1 %t.o %t2.a %t3.o %t4.o -o /dev/null 2>&1 \
   9 # RUN:   | FileCheck %s --implicit-check-not="error:" --implicit-check-not="warning:"
  10 # RUN: not ld.lld --threads=1 -pie %t.o %t2.a %t3.o %t4.o -o /dev/null 2>&1 \
  11 # RUN:   | FileCheck %s --implicit-check-not="error:" --implicit-check-not="warning:"
  12
  13 # CHECK:      error: undefined symbol: foo
  14 # CHECK-NEXT: >>> referenced by undef.s
  15 # CHECK-NEXT:                   {{.*}}:(.text+0x1)
  16
  17 # CHECK:      error: undefined symbol: bar
  18 # CHECK-NEXT: >>> referenced by undef.s
  19 # CHECK-NEXT: >>>               {{.*}}:(.text+0x6)
  20
  21 # CHECK:      error: undefined symbol: foo(int)
  22 # CHECK-NEXT: >>> referenced by undef.s
  23 # CHECK-NEXT: >>>               {{.*}}:(.text+0x10)
  24
  25 # CHECK:      error: undefined symbol: vtable for Foo
  26 # CHECK-NEXT: >>> referenced by undef.s
  27 # CHECK-NEXT: >>>               {{.*}}:(.text+0x15)
  28 # CHECK-NEXT: >>> the vtable symbol may be undefined because the class is missing its key function (see https://lld.llvm.org/missingkeyfunction)
  29
  30 # CHECK:      error: undefined symbol: foo(int)
  31 # CHECK-NEXT: >>> referenced by undef.s
  32 # CHECK-NEXT: >>>               {{.*}}:(.text+0x1A)
  33
  34 # CHECK:      error: undefined symbol: Pi
  35 # CHECK-NEXT: >>> referenced by undef.s
  36 # CHECK-NEXT: >>>               {{.*}}:(.text+0x1F)
  37
  38 # CHECK:      error: undefined symbol: D main
  39 # CHECK-NEXT: >>> referenced by undef.s
  40 # CHECK-NEXT: >>>               {{.*}}:(.text+0x24)
  41
  42 # CHECK:      error: undefined symbol: a::main
  43 # CHECK-NEXT: >>> referenced by undef.s
  44 # CHECK-NEXT: >>>               {{.*}}:(.text+0x29)
  45
  46 # CHECK:      error: undefined symbol: zed2
  47 # CHECK-NEXT: >>> referenced by {{.*}}.o:(.text+0x0) in archive {{.*}}2.a
  48
  49 # CHECK:      error: undefined symbol: zed3
  50 # CHECK-NEXT: >>> referenced by undef-debug.s:3 (dir{{/|\\}}undef-debug.s:3)
  51 # CHECK-NEXT: >>>               {{.*}}.o:(.text+0x0)
  52
  53 # CHECK:      error: undefined symbol: zed4
  54 # CHECK-NEXT: >>> referenced by undef-debug.s:7 (dir{{/|\\}}undef-debug.s:7)
  55 # CHECK-NEXT: >>>               {{.*}}.o:(.text.1+0x0)
  56
  57 # CHECK:      error: undefined symbol: zed5
  58 # CHECK-NEXT: >>> referenced by undef-debug.s:11 (dir{{/|\\}}undef-debug.s:11)
  59 # CHECK-NEXT: >>>               {{.*}}.o:(.text.2+0x0)
  60
  61 # Show that all line table problems are mentioned as soon as the object's line information
  62 # is requested, even if that particular part of the line information is not currently required.
  63 # Also show that the warnings are only printed once.
  64 # CHECK:      warning: unknown data in line table prologue at offset 0x00000000: parsing ended (at offset 0x00000037) before reaching the prologue end at offset 0x00000038
  65 # CHECK-NEXT: warning: parsing line table prologue at offset 0x0000005b: unsupported version 1
  66 # CHECK-NEXT: warning: last sequence in debug line table at offset 0x00000061 is not terminated
  67 # CHECK:      error: undefined symbol: zed6a
  68 # CHECK-NEXT: >>> referenced by undef-bad-debug.s:11 (dir{{/|\\}}undef-bad-debug.s:11)
  69 # CHECK-NEXT: >>>               {{.*}}4.o:(.text+0x0)
  70 # CHECK:      error: undefined symbol: zed6b
  71 # CHECK-NEXT: >>> referenced by undef-bad-debug.s:21 (dir{{/|\\}}undef-bad-debug.s:21)
  72 # CHECK-NEXT: >>>               {{.*}}4.o:(.text+0x8)
  73
  74 # Show that a problem in a line table that prevents further parsing of that
  75 # table means that no line information is displayed in the wardning.
  76 # CHECK:      error: undefined symbol: zed7
  77 # CHECK-NEXT: >>> referenced by {{.*}}4.o:(.text+0x10)
  78
  79 # Show that a problem with one line table's information doesn't affect getting information from
  80 # a different one in the same object.
  81 # CHECK:      error: undefined symbol: zed8
  82 # CHECK-NEXT: >>> referenced by undef-bad-debug2.s:11 (dir2{{/|\\}}undef-bad-debug2.s:11)
  83 # CHECK-NEXT: >>>               {{.*}}tmp4.o:(.text+0x18)
  84
  85 # RUN: not ld.lld %t.o %t2.a -o /dev/null -no-demangle 2>&1 | \
  86 # RUN:   FileCheck -check-prefix=NO-DEMANGLE %s
  87 # NO-DEMANGLE: error: undefined symbol: _Z3fooi
  88
  89 .file "undef.s"
  90
  91   .globl _start
  92 _start:
  93   call foo
  94   call bar
  95   call zed1
  96   call _Z3fooi
  97   call _ZTV3Foo
  98   call __Z3fooi
  99   call Pi
 100   call _Dmain
 101   call _RNvC1a4main