llvm/test/tools/llvm-objcopy/MachO/redefine-symbol.s

   1 # REQUIRES: x86-registered-target
   2
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-macos %s -o %t
   4
   5 ## A non-existent symbol does not error.
   6 # RUN: llvm-objcopy --redefine-sym _func=_cnuf1234 --redefine-sym _foo=_ba --redefine-sym=_notexist= %t %t2 2>&1 | count 0
   7 # RUN: llvm-readobj --symbols %t2 | FileCheck %s
   8
   9 # RUN: echo '_func _cnuf1234 #rename func' > %t.rename.txt
  10 # RUN: echo '  _foo _ba ' >> %t.rename.txt
  11 # RUN: echo '_notexist _notexist' >> %t.rename.txt
  12 # RUN: llvm-objcopy --redefine-syms %t.rename.txt %t %t3 2>&1 | count 0
  13 # RUN: cmp %t2 %t3
  14
  15 # CHECK:      Symbol {
  16 # CHECK-NEXT:   Name: _ba (1)
  17 # CHECK-NEXT:   Extern
  18 # CHECK-NEXT:   Type: Section (0xE)
  19 # CHECK-NEXT:   Section: __const (0x2)
  20 # CHECK-NEXT:   RefType: UndefinedNonLazy (0x0)
  21 # CHECK-NEXT:   Flags [ (0x0)
  22 # CHECK-NEXT:   ]
  23 # CHECK-NEXT:   Value: 0x0
  24 # CHECK-NEXT: }
  25 # CHECK-NEXT: Symbol {
  26 # CHECK-NEXT:   Name: _cnuf1234 (5)
  27 # CHECK-NEXT:   Extern
  28 # CHECK-NEXT:   Type: Section (0xE)
  29 # CHECK-NEXT:   Section: __text (0x1)
  30 # CHECK-NEXT:   RefType: UndefinedNonLazy (0x0)
  31 # CHECK-NEXT:   Flags [ (0x0)
  32 # CHECK-NEXT:   ]
  33 # CHECK-NEXT:   Value: 0x0
  34 # CHECK-NEXT: }
  35
  36 ## Check that --redefine-sym executes before --strip-symbol.
  37 # RUN: llvm-objcopy --strip-symbol _foo --redefine-sym _foo=_ba %t %t.notstripped
  38 # RUN: llvm-readobj --symbols %t.notstripped | FileCheck %s --check-prefix=NOTSTRIPPED
  39 # NOTSTRIPPED: Name: _ba
  40 # NOTSTRIPPED: Name: _func
  41
  42 ## FIXME: _ba should be stripped after --strip-symbol is implemented.
  43 # RUN: llvm-objcopy --strip-symbol _ba --redefine-sym _foo=_ba %t %t.noba
  44 # RUN: llvm-readobj --symbols %t.noba | FileCheck %s --check-prefix=NOTSTRIPPED
  45
  46 .globl _func
  47 _func:
  48
  49 .section __TEXT,__const
  50 .globl _foo
  51 _foo: