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: llvm-mc -filetype=obj -triple=x86_64-pc-linux %p/Inputs/undef-debug2.s -o %t5.o
   7 # RUN: rm -f %t2.a
   8 # RUN: llvm-ar rc %t2.a %t2.o
   9 # RUN: not ld.lld --threads=1 %t.o %t2.a %t3.o %t4.o %t5.o -o /dev/null 2>&1 \
  10 # RUN:   | FileCheck %s --implicit-check-not="error:" --implicit-check-not="warning:"
  11 # RUN: not ld.lld --threads=1 -pie %t.o %t2.a %t3.o %t4.o %t5.o -o /dev/null 2>&1 \
  12 # RUN:   | FileCheck %s --implicit-check-not="error:" --implicit-check-not="warning:"
  13
  14 # CHECK:      error: undefined symbol: foo
  15 # CHECK-NEXT: >>> referenced by undef.s
  16 # CHECK-NEXT:                   {{.*}}:(.text+0x1)
  17
  18 # CHECK:      error: undefined symbol: bar
  19 # CHECK-NEXT: >>> referenced by undef.s
  20 # CHECK-NEXT: >>>               {{.*}}:(.text+0x6)
  21
  22 # CHECK:      error: undefined symbol: foo(int)
  23 # CHECK-NEXT: >>> referenced by undef.s
  24 # CHECK-NEXT: >>>               {{.*}}:(.text+0x10)
  25
  26 # CHECK:      error: undefined symbol: vtable for Foo
  27 # CHECK-NEXT: >>> referenced by undef.s
  28 # CHECK-NEXT: >>>               {{.*}}:(.text+0x15)
  29 # CHECK-NEXT: >>> the vtable symbol may be undefined because the class is missing its key function (see https://lld.llvm.org/missingkeyfunction)
  30
  31 # CHECK:      error: undefined symbol: foo(int)
  32 # CHECK-NEXT: >>> referenced by undef.s
  33 # CHECK-NEXT: >>>               {{.*}}:(.text+0x1A)
  34
  35 # CHECK:      error: undefined symbol: Pi
  36 # CHECK-NEXT: >>> referenced by undef.s
  37 # CHECK-NEXT: >>>               {{.*}}:(.text+0x1F)
  38
  39 # CHECK:      error: undefined symbol: D main
  40 # CHECK-NEXT: >>> referenced by undef.s
  41 # CHECK-NEXT: >>>               {{.*}}:(.text+0x24)
  42
  43 # CHECK:      error: undefined symbol: a::main
  44 # CHECK-NEXT: >>> referenced by undef.s
  45 # CHECK-NEXT: >>>               {{.*}}:(.text+0x29)
  46
  47 # CHECK:      error: undefined symbol: zed2
  48 # CHECK-NEXT: >>> referenced by {{.*}}.o:(.text+0x0) in archive {{.*}}2.a
  49
  50 # CHECK:      error: undefined symbol: zed3
  51 # CHECK-NEXT: >>> referenced by undef-debug.s:3 (dir{{/|\\}}undef-debug.s:3)
  52 # CHECK-NEXT: >>>               {{.*}}.o:(.text+0x0)
  53
  54 # CHECK:      error: undefined symbol: zed4
  55 # CHECK-NEXT: >>> referenced by undef-debug.s:7 (dir{{/|\\}}undef-debug.s:7)
  56 # CHECK-NEXT: >>>               {{.*}}.o:(.text.1+0x0)
  57
  58 # CHECK:      error: undefined symbol: zed5
  59 # CHECK-NEXT: >>> referenced by undef-debug.s:11 (dir{{/|\\}}undef-debug.s:11)
  60 # CHECK-NEXT: >>>               {{.*}}.o:(.text.2+0x0)
  61
  62 # Show that all line table problems are mentioned as soon as the object's line information
  63 # is requested, even if that particular part of the line information is not currently required.
  64 # Also show that the warnings are only printed once.
  65 # CHECK:      warning: unknown data in line table prologue at offset 0x00000000: parsing ended (at offset 0x00000037) before reaching the prologue end at offset 0x00000038
  66 # CHECK-NEXT: warning: parsing line table prologue at offset 0x0000005b: unsupported version 1
  67 # CHECK-NEXT: warning: last sequence in debug line table at offset 0x00000061 is not terminated
  68 # CHECK:      error: undefined symbol: zed6a
  69 # CHECK-NEXT: >>> referenced by undef-bad-debug.s:11 (dir{{/|\\}}undef-bad-debug.s:11)
  70 # CHECK-NEXT: >>>               {{.*}}4.o:(.text+0x0)
  71 # CHECK:      error: undefined symbol: zed6b
  72 # CHECK-NEXT: >>> referenced by undef-bad-debug.s:21 (dir{{/|\\}}undef-bad-debug.s:21)
  73 # CHECK-NEXT: >>>               {{.*}}4.o:(.text+0x8)
  74
  75 # Show that a problem in a line table that prevents further parsing of that
  76 # table means that no line information is displayed in the wardning.
  77 # CHECK:      error: undefined symbol: zed7
  78 # CHECK-NEXT: >>> referenced by {{.*}}4.o:(.text+0x10)
  79
  80 # Show that a problem with one line table's information doesn't affect getting information from
  81 # a different one in the same object.
  82 # CHECK:      error: undefined symbol: zed8
  83 # CHECK-NEXT: >>> referenced by undef-bad-debug2.s:11 (dir2{{/|\\}}undef-bad-debug2.s:11)
  84 # CHECK-NEXT: >>>               {{.*}}tmp4.o:(.text+0x18)
  85
  86 # CHECK:      error: undefined symbol: zed9
  87 # CHECK-NEXT: >>> referenced by undef-debug2.cc:3 (dir{{/|\\}}undef-debug2.cc:3)
  88 # CHECK-NEXT: >>>               {{.*}}tmp5.o:(ns::var)
  89
  90 # RUN: not ld.lld %t.o %t2.a -o /dev/null -no-demangle 2>&1 | \
  91 # RUN:   FileCheck -check-prefix=NO-DEMANGLE %s
  92 # NO-DEMANGLE: error: undefined symbol: _Z3fooi
  93
  94 .file "undef.s"
  95
  96   .globl _start
  97 _start:
  98   call foo
  99   call bar
 100   call zed1
 101   call _Z3fooi
 102   call _ZTV3Foo
 103   call __Z3fooi
 104   call Pi
 105   call _Dmain
 106   call _RNvC1a4main