projects / apple / ld64.git / blame
| Commit | Line | Data |
|---|---|---|
| 55e3d2f6 A |
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, | |
| 17 | # FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
| 18 | # Please see the License for the specific language governing rights and | |
| 19 | # limitations under the License. | |
| 20 | # | |
| 21 | # @APPLE_LICENSE_HEADER_END@ | |
| 22 | ## | |
| 23 | TESTROOT = ../.. | |
| 24 | include ${TESTROOT}/include/common.makefile | |
| 25 | ||
| 26 | # | |
| 27 | # <rdar://problem/6069861> ld -r for x86_64 is changing visibility of cstring constants | |
| 28 | # | |
| 29 | # In order to coalesce strings from different .o files, the linker internally | |
| 30 | # makes them weak/hidden. Test to make sure that weak/hidden does not leak out. | |
| 31 | # | |
| 32 | ||
| 33 | ifeq (${ARCH},x86_64) | |
| 34 | STRING_LABEL_COUNT = 3 | |
| 35 | else | |
| 36 | STRING_LABEL_COUNT = 1 | |
| 37 | endif | |
| 38 | ||
| 39 | ||
| 40 | ||
| 41 | run: all | |
| 42 | ||
| 43 | all: | |
| 44 | ${CC} ${CCFLAGS} -c foo.c -o foo.o | |
| 45 | ${CC} ${CCFLAGS} -c bar.c -o bar.o | |
| 46 | ${LD} -arch ${ARCH} -r foo.o bar.o -o foobar.o | |
| 47 | nm -nm foobar.o | grep __cstring | grep "weak private external" | ${FAIL_IF_STDIN} | |
| 48 | ${LD} -arch ${ARCH} -r foo.o bar.o -o foobar.o -keep_private_externs | |
| 49 | nm -nm foobar.o | grep __cstring | grep "weak private external" | ${FAIL_IF_STDIN} | |
| 50 | nm -m foobar.o | grep __cstring | wc -l | grep ${STRING_LABEL_COUNT} | ${FAIL_IF_EMPTY} | |
| 51 | ${CC} ${CCFLAGS} foo.o bar.o -dynamiclib -o libfoobar.dylib | |
| 52 | nm -m libfoobar.dylib | grep __cstring | wc -l | grep 1 | ${FAIL_IF_EMPTY} | |
| 53 | ${PASS_IFF} /usr/bin/true | |
| 54 | ||
| 55 | clean: | |
| 56 | rm foo.o bar.o foobar.o libfoobar.dylib |