llvm-project

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# REQUIRES: x86
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# RUN: rm -rf %t; split-file %s %t
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## ld64 ignores the __objc_imageinfo section entirely if there is no actual
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## ObjC class + category data in the file. LLD doesn't yet do this check, but
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## to make this test work for both linkers, I am inserting an appropriate class
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## definition into each test file.
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# RUN: cat %t/no-category-cls.s   %t/foo-cls.s > %t/no-category-cls-1.s
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# RUN: cat %t/with-category-cls.s %t/foo-cls.s > %t/with-category-cls-1.s
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# RUN: cat %t/ignored-flags.s     %t/foo-cls.s > %t/ignored-flags-1.s
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# RUN: cat %t/invalid-version.s   %t/foo-cls.s > %t/invalid-version-1.s
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# RUN: cat %t/invalid-size.s      %t/foo-cls.s > %t/invalid-size-1.s
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# RUN: cat %t/swift-version-1.s   %t/foo-cls.s > %t/swift-version-1-1.s
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# RUN: cat %t/swift-version-2.s   %t/foo-cls.s > %t/swift-version-2-1.s
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# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/no-category-cls-1.s   -o %t/no-category-cls.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/with-category-cls-1.s -o %t/with-category-cls.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/ignored-flags-1.s     -o %t/ignored-flags.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/invalid-version-1.s   -o %t/invalid-version.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/swift-version-1-1.s   -o %t/swift-version-1.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/swift-version-2-1.s   -o %t/swift-version-2.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/invalid-size-1.s      -o %t/invalid-size.o
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# RUN: %lld -dylib -lSystem %t/with-category-cls.o -o %t/test-with-cat
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# RUN: llvm-objdump --macho --section="__DATA_CONST,__objc_imageinfo" --syms \
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# RUN:   %t/test-with-cat | FileCheck %s --check-prefix=HAS-CAT-CLS \
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# RUN:   --implicit-check-not=_discard_me
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# RUN: %lld -dylib -lSystem %t/no-category-cls.o -o %t/test-no-cat
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# RUN: llvm-objdump --macho --section="__DATA_CONST,__objc_imageinfo" --syms \
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# RUN:   %t/test-no-cat | FileCheck %s --check-prefix=NO-CAT-CLS \
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# RUN:   --implicit-check-not=_discard_me
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# RUN: %lld -dylib -lSystem %t/no-category-cls.o %t/with-category-cls.o -o %t/test1
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# RUN: llvm-objdump --macho --section="__DATA_CONST,__objc_imageinfo" %t/test1 \
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# RUN:   | FileCheck %s --check-prefix=NO-CAT-CLS
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# RUN: %lld -dylib -lSystem %t/with-category-cls.o %t/ignored-flags.o -o %t/test2
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# RUN: llvm-objdump --macho --section="__DATA_CONST,__objc_imageinfo" %t/test2 \
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# RUN:   | FileCheck %s --check-prefix=HAS-CAT-CLS
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# RUN: %lld -dylib -lSystem %t/no-category-cls.o %t/ignored-flags.o -o %t/test3
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# RUN: llvm-objdump --macho --section="__DATA_CONST,__objc_imageinfo" %t/test3 \
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# RUN:   | FileCheck %s --check-prefix=NO-CAT-CLS
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# RUN: %no-fatal-warnings-lld -dylib -lSystem %t/with-category-cls.o \
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# RUN:   %t/invalid-version.o -o %t/test4 2>&1 | FileCheck %s \
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# RUN:   --check-prefix=IMAGE-VERSION
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# RUN: llvm-objdump --macho --section="__DATA_CONST,__objc_imageinfo" %t/test4 \
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# RUN:   | FileCheck %s --check-prefix=NO-CAT-CLS
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# RUN: %no-fatal-warnings-lld -dylib -lSystem %t/no-category-cls.o \
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# RUN:   %t/invalid-version.o -o %t/test5 2>&1 | FileCheck %s \
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# RUN:   --check-prefix=IMAGE-VERSION
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# RUN: llvm-objdump --macho --section="__DATA_CONST,__objc_imageinfo" %t/test5 \
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# RUN:   | FileCheck %s --check-prefix=NO-CAT-CLS
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# RUN: %no-fatal-warnings-lld -dylib -lSystem %t/with-category-cls.o \
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# RUN:   %t/invalid-size.o -o %t/test6 2>&1 | FileCheck %s \
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# RUN:   --check-prefix=INVALID-SIZE
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# RUN: llvm-objdump --macho --section="__DATA_CONST,__objc_imageinfo" %t/test6 \
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# RUN:   | FileCheck %s --check-prefix=NO-CAT-CLS
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# RUN: not %lld -dylib -lSystem %t/swift-version-1.o %t/swift-version-2.o -o \
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# RUN:   /dev/null 2>&1 | FileCheck %s --check-prefix=SWIFT-MISMATCH-12
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# RUN: not %lld -dylib -lSystem %t/swift-version-2.o %t/swift-version-1.o -o \
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# RUN:   /dev/null 2>&1 | FileCheck %s --check-prefix=SWIFT-MISMATCH-21
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## with-category-cls.o does not have a Swift version (it's set to zero) and
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## should be compatible with any Swift version.
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# RUN: %lld -dylib -lSystem %t/with-category-cls.o %t/swift-version-1.o -o %t/swift-v1
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# RUN: llvm-objdump --macho --section="__DATA_CONST,__objc_imageinfo" \
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# RUN:   %t/swift-v1 | FileCheck %s --check-prefix=SWIFT-V1
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# RUN: %lld -dylib -lSystem %t/with-category-cls.o %t/swift-version-2.o -o %t/swift-v2
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# RUN: llvm-objdump --macho --section="__DATA_CONST,__objc_imageinfo" \
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# RUN:   %t/swift-v2 | FileCheck %s --check-prefix=SWIFT-V2
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# HAS-CAT-CLS:       Contents of (__DATA_CONST,__objc_imageinfo) section
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# HAS-CAT-CLS:       00 00 00 40 00 00 00
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# HAS-CAT-CLS-EMPTY:
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# NO-CAT-CLS:       Contents of (__DATA_CONST,__objc_imageinfo) section
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# NO-CAT-CLS:       00 00 00 00 00 00 00
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# NO-CAT-CLS-EMPTY:
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# SWIFT-V1:       Contents of (__DATA_CONST,__objc_imageinfo) section
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# SWIFT-V1:       00 00 00 40 01 00 00
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# SWIFT-V1-EMPTY:
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# SWIFT-V2:       Contents of (__DATA_CONST,__objc_imageinfo) section
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# SWIFT-V2:       00 00 00 40 02 00 00
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# SWIFT-V2-EMPTY:
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# IMAGE-VERSION: warning: {{.*}}invalid-version.o: invalid __objc_imageinfo version
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# INVALID-SIZE: warning: {{.*}}invalid-size.o: invalid __objc_imageinfo size
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# SWIFT-MISMATCH-12: error: Swift version mismatch: {{.*}}swift-version-1.o has version 1.0 but {{.*}}swift-version-2.o has version 1.1
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# SWIFT-MISMATCH-21: error: Swift version mismatch: {{.*}}swift-version-2.o has version 1.1 but {{.*}}swift-version-1.o has version 1.0
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#--- no-category-cls.s
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.section __DATA,__objc_imageinfo,regular,no_dead_strip
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## ld64 discards any symbols in this section; we follow suit.
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_discard_me:
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.long 0
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.long 0
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#--- with-category-cls.s
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.section __DATA,__objc_imageinfo,regular,no_dead_strip
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_discard_me:
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.long 0
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.long 0x40 ## "has category class properties" flag
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#--- ignored-flags.s
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.section __DATA,__objc_imageinfo,regular,no_dead_strip
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.long 0
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## Only the 0x40 flag is carried through to the output binary.
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.long (0x40 | 0x20 | 0x4 | 0x2)
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#--- invalid-version.s
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.section __DATA,__objc_imageinfo,regular,no_dead_strip
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.long 1 ## only 0 is valid; the flag field below will not be parsed.
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.long 0x40
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#--- invalid-size.s
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.section __DATA,__objc_imageinfo
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.long 0
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#--- swift-version-1.s
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.section __DATA,__objc_imageinfo,regular,no_dead_strip
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.long 0
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.byte 0x40
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.byte 0x1 ## Swift version
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.short 0
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#--- swift-version-2.s
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.section __DATA,__objc_imageinfo,regular,no_dead_strip
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.long 0
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.byte 0x40
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.byte 0x2 ## Swift version
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.short 0
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#--- foo-cls.s
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.section __TEXT,__objc_classname,cstring_literals
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L_CAT_NAME:
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.asciz "barcat"
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.section __DATA,__objc_data
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.p2align 3
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_OBJC_CLASS_$_FooClass:
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.space 40
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.section __DATA,__objc_const
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.p2align 3
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__OBJC_$_CATEGORY_FooClass_$_barcat:
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.quad L_CAT_NAME
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.quad _OBJC_CLASS_$_FooClass
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.quad 0
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.quad 0
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.quad 0
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.quad 0
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.quad 0
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.long 64
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.space 4
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.section __DATA,__objc_catlist,regular,no_dead_strip
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.p2align 3
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.quad __OBJC_$_CATEGORY_FooClass_$_barcat
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