unit-tests/test-cases/switch-jump-table/Makefile

   1 ##
   2 # Copyright (c) 2008 Apple Inc. All rights reserved.
   3 #
   4 # @APPLE_LICENSE_HEADER_START@
   5 #
   6 # This file contains Original Code and/or Modifications of Original Code
   7 # as defined in and that are subject to the Apple Public Source License
   8 # Version 2.0 (the 'License'). You may not use this file except in
   9 # compliance with the License. Please obtain a copy of the License at
  10 # http://www.opensource.apple.com/apsl/ and read it before using this
  11 # file.
  12 #
  13 # The Original Code and all software distributed under the License are
  14 # distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15 # EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16 # INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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  18 # Please see the License for the specific language governing rights and
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  21 # @APPLE_LICENSE_HEADER_END@
  22 ##
  23 TESTROOT = ../..
  24 include ${TESTROOT}/include/common.makefile
  25
  26 #
  27 # Test that -mdynamic-no-pic jump table in the middle of
  28 # a function does not  cause relocations.
  29 #
  30 # <rdar://problem/5847206> SPEC2000/eon built with -mdynamic-no-pic won't run
  31 #
  32
  33 run: all
  34
  35 all:
  36         # check jump table in a weak function
  37         ${CC} ${CCFLAGS} main.c switch.s -o main
  38         otool -rv main | grep _foo | ${FAIL_IF_STDIN}
  39         otool -rv main | grep _bar | ${FAIL_IF_STDIN}
  40         # check jump table in a regular function with -flat_namespace
  41         ${CC} ${CCFLAGS} main.c switch.s -o main  -flat_namespace
  42         otool -rv main | grep _foo | ${FAIL_IF_STDIN}
  43         otool -rv main | grep _bar | ${FAIL_IF_STDIN}
  44         # check jump table in a regular function that is interposable
  45         ${CC} ${CCFLAGS} main.c switch.s -o main  -Wl,-interposable_list,interpose.exp
  46         otool -rv main | grep _foo | ${FAIL_IF_STDIN}
  47         otool -rv main | grep _bar | ${FAIL_IF_STDIN}
  48         # check jump table with -pie, should have no external and some local relocations
  49         ${CC} ${CCFLAGS} main.c switch.s -o main  -Wl,-pie -read_only_relocs suppress
  50         otool -rv main | grep "External relocation" | ${FAIL_IF_STDIN}
  51         otool -rv main | grep "Local relocation" | ${FAIL_IF_EMPTY}
  52         ${PASS_IFF_GOOD_MACHO} main
  53
  54
  55 clean:
  56         rm -f main