llvm/test/ExecutionEngine/JITLink/X86/MachO_test_harness_harness.s

   1 # RUN: rm -rf %t && mkdir -p %t
   2 # RUN: llvm-mc -triple=x86_64-apple-macosx10.9 -filetype=obj \
   3 # RUN:   -o %t/file_to_test.o %S/Inputs/MachO_test_harness_test.s
   4 # RUN: llvm-mc -triple=x86_64-apple-macosx10.9 -filetype=obj \
   5 # RUN:   -o %t/test_harness.o %s
   6 # RUN: not llvm-jitlink -noexec -check %s %t/file_to_test.o \
   7 # RUN:    -harness %t/test_harness.o
   8 # RUN: llvm-jitlink -noexec -phony-externals -check %s %t/file_to_test.o \
   9 # RUN:    -harness %t/test_harness.o
  10 #
  11 # Check that we
  12 #   (1) Can call global symbols in the test object.
  13 #   (2) Can call private symbols in the test object.
  14 #   (3) Can interpose global symbols in the test object.
  15 #   (4) Can interpose private symbols in the test object.
  16 #   (5) Don't need to resolve unused externals in the test object.
  17
  18 .section        __TEXT,__text,regular,pure_instructions
  19
  20   .globl        _public_func_to_interpose
  21         .p2align        4, 0x90
  22 _public_func_to_interpose:
  23         retq
  24
  25         .globl  _private_func_to_interpose
  26         .p2align        4, 0x90
  27 _private_func_to_interpose:
  28         retq
  29
  30         .globl  _main
  31         .p2align        4, 0x90
  32 _main:
  33         callq   _public_func_to_test
  34         callq   _private_func_to_test
  35   xorl  %eax, %eax
  36         retq
  37
  38         .section        __DATA,__data
  39
  40 # Check that the harness and test file agree on the address of the addresses
  41 # of the interposes:
  42
  43 # jitlink-check: *{8}_public_func_to_interpose_as_seen_by_harness = \
  44 # jitlink-check:   *{8}_public_func_to_interpose_as_seen_by_test
  45
  46 # jitlink-check: *{8}_private_func_to_interpose_as_seen_by_harness = \
  47 # jitlink-check:   *{8}_private_func_to_interpose_as_seen_by_test
  48
  49   .globl        _public_func_to_interpose_as_seen_by_harness
  50         .p2align        3
  51 _public_func_to_interpose_as_seen_by_harness:
  52         .quad   _public_func_to_interpose
  53
  54         .globl  _private_func_to_interpose_as_seen_by_harness
  55         .p2align        3
  56 _private_func_to_interpose_as_seen_by_harness:
  57         .quad   _private_func_to_interpose
  58
  59 # We need to reference the *_as_seen_by_test pointers used above to ensure
  60 # that they're not dead-stripped as unused.
  61   .globl  _anchor_test_case_pointers
  62   .p2align  3
  63 _anchor_test_case_pointers:
  64   .quad _public_func_to_interpose_as_seen_by_test
  65   .quad _private_func_to_interpose_as_seen_by_test
  66
  67 .subsections_via_symbols