lld/test/MachO/archive-symbol-resolution.s

   1 # REQUIRES: x86
   2 # RUN: rm -rf %t; split-file %s %t
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/g.s  -o %t/g.o
   4 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/f1.s -o %t/f1.o
   5 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/f2.s -o %t/f2.o
   6 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/fg.s -o %t/fg.o
   7 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/test.s -o %t/test.o
   8 # RUN: %lld -dylib -o %t/libf1.dylib %t/f1.o -lSystem
   9
  10 # RUN: llvm-ar rcs %t/libf2_g.a %t/f2.o %t/g.o
  11 # RUN: llvm-ar rcs %t/libfg.a %t/fg.o
  12
  13 ## (Strong) dylib symbols and archive symbols have equal precedence.
  14
  15 # RUN: %lld %t/libf1.dylib %t/libf2_g.a %t/test.o -o %t/test.out -lSystem
  16 # RUN: llvm-objdump --syms --macho --lazy-bind %t/test.out | FileCheck %s --check-prefix DYLIB-FIRST
  17 # DYLIB-FIRST:      SYMBOL TABLE:
  18 # DYLIB-FIRST-DAG:  __TEXT,test_g g
  19 # DYLIB-FIRST:      Lazy bind table:
  20 # DYLIB-FIRST-NEXT: segment  section            address       dylib            symbol
  21 # DYLIB-FIRST-NEXT: __DATA   __la_symbol_ptr    {{[0-9a-z]+}} libf1            f
  22
  23 # RUN: %lld %t/libf2_g.a %t/libf1.dylib %t/test.o -o %t/test.out -lSystem
  24 # RUN: llvm-objdump --syms --macho --lazy-bind %t/test.out | FileCheck %s --check-prefix ARCHIVE-FIRST
  25 # ARCHIVE-FIRST:      SYMBOL TABLE:
  26 # ARCHIVE-FIRST-DAG:  __TEXT,test_f2 f
  27 # ARCHIVE-FIRST-DAG:  __TEXT,test_g g
  28 # ARCHIVE-FIRST:      Lazy bind table:
  29 # ARCHIVE-FIRST-NEXT: segment  section            address       dylib            symbol
  30 # ARCHIVE-FIRST-EMPTY:
  31
  32 ## Once an archive member is fetched, all the extern symbols in that member
  33 ## take precedence over dylib symbols of the same name.
  34 # RUN: %lld %t/libf1.dylib %t/libfg.a %t/test.o -o %t/test.out -lSystem
  35 # RUN: llvm-objdump --syms --macho --lazy-bind %t/test.out | FileCheck %s --check-prefix ARCHIVE-PRIORITY
  36 # ARCHIVE-PRIORITY:      SYMBOL TABLE:
  37 # ARCHIVE-PRIORITY-DAG:  __TEXT,test_fg f
  38 # ARCHIVE-PRIORITY-DAG:  __TEXT,test_fg g
  39 # ARCHIVE-PRIORITY:      Lazy bind table:
  40 # ARCHIVE-PRIORITY-NEXT: segment  section            address       dylib            symbol
  41 # ARCHIVE-PRIORITY-EMPTY:
  42
  43 #--- g.s
  44 .global f, g
  45 .section __TEXT,test_g
  46 g:
  47   callq f
  48
  49 #--- f1.s
  50 .global f
  51 .section __TEXT,test_f1
  52 f:
  53   ret
  54
  55 #--- f2.s
  56 .global f
  57 .section __TEXT,test_f2
  58 f:
  59   ret
  60
  61 #--- fg.s
  62 .global f, g
  63 .section __TEXT,test_fg
  64 f:
  65   ret
  66 g:
  67   callq f
  68
  69 #--- test.s
  70 .global g
  71 .global _main
  72 _main:
  73   callq g
  74   ret