derek.holloway
7502bf64a4
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133 lines
6.5 KiB
ArmAsm
133 lines
6.5 KiB
ArmAsm
# REQUIRES: x86
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# RUN: rm -rf %t; split-file %s %t
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## With -flat_namespace, non-weak extern symbols in dylibs become interposable.
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## Check that we generate the correct bindings for them. The test also includes
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## other symbol types like weak externs to verify we continue to do the same
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## (correct) thing even when `-flat_namespace` is enabled, instead of generating
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## spurious bindings.
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# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-macos -o %t/foo.o %t/foo.s
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# RUN: %lld -lSystem -flat_namespace -o %t/foo %t/foo.o
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# RUN: %lld -lSystem -flat_namespace -fixup_chains -o %t/chained %t/foo.o
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# RUN: %lld -lSystem -dylib -flat_namespace -o %t/foo.dylib %t/foo.o
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# RUN: %lld -lSystem -dylib -flat_namespace -fixup_chains -o %t/chained.dylib %t/foo.o
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# RUN: %lld -lSystem -bundle -flat_namespace -o %t/foo.bundle %t/foo.o
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# RUN: %lld -lSystem -bundle -flat_namespace -fixup_chains -o %t/chained.bundle %t/foo.o
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# RUN: llvm-objdump --macho --syms --rebase --bind --lazy-bind --weak-bind %t/foo | \
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# RUN: FileCheck %s --check-prefixes=SYMS,EXEC --implicit-check-not=_private_extern
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# RUN: llvm-objdump --macho --syms %t/chained >> %t/chained.objdump
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# RUN: llvm-objdump --macho --dyld-info %t/chained >> %t/chained.objdump
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# RUN: FileCheck %s --check-prefixes=SYMS,CHAINED-EXEC < %t/chained.objdump
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# RUN: llvm-objdump --macho --syms %t/chained.dylib >> %t/dylib.objdump
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# RUN: llvm-objdump --macho --dyld-info %t/chained.dylib >> %t/dylib.objdump
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# RUN: FileCheck %s --check-prefixes=SYMS,CHAINED-DYLIB < %t/dylib.objdump
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# RUN: llvm-objdump --macho --syms %t/chained.bundle >> %t/bundle.objdump
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# RUN: llvm-objdump --macho --dyld-info %t/chained.bundle >> %t/bundle.objdump
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# RUN: FileCheck %s --check-prefixes=SYMS,CHAINED-DYLIB < %t/bundle.objdump
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# SYMS: SYMBOL TABLE:
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# SYMS-DAG: [[#%x, EXTERN_REF:]] l O __DATA,__data _extern_ref
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# SYMS-DAG: [[#%x, LOCAL_REF:]] l O __DATA,__data _local_ref
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# SYMS-DAG: [[#%x, WEAK_REF:]] l O __DATA,__data _weak_ref
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# SYMS-DAG: [[#%x, TLV_REF:]] g O __DATA,__thread_vars _tlv
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## Executables with -flat_namespace don't have interposable externs.
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# EXEC: Rebase table:
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# EXEC-NEXT: segment section address type
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# EXEC-DAG: __DATA __la_symbol_ptr 0x[[#%X, WEAK_LAZY:]] pointer
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# EXEC-DAG: __DATA __data 0x[[#%.8X, EXTERN_REF]] pointer
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# EXEC-DAG: __DATA __data 0x[[#%.8X, LOCAL_REF]] pointer
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# EXEC-DAG: __DATA __data 0x[[#%.8X, WEAK_REF]] pointer
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# EXEC-EMPTY:
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# EXEC-NEXT: Bind table:
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# EXEC-NEXT: segment section address type addend dylib symbol
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# EXEC-EMPTY:
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# EXEC-NEXT: Lazy bind table:
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# EXEC-NEXT: segment section address dylib symbol
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# EXEC-EMPTY:
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# EXEC-NEXT: Weak bind table:
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# EXEC-NEXT: segment section address type addend symbol
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# EXEC-NEXT: __DATA __la_symbol_ptr 0x[[#%.8X, WEAK_LAZY]] pointer 0 _weak_extern
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# EXEC-NEXT: __DATA __data 0x[[#%.8X, WEAK_REF]] pointer 0 _weak_extern
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# EXEC-EMPTY:
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# CHAINED-EXEC: dyld information:
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# CHAINED-EXEC-NEXT: segment section address pointer type addend dylib symbol/vm address
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# CHAINED-EXEC-DAG: __DATA_CONST __got {{.*}} {{.*}} bind 0x0 weak _weak_extern
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# CHAINED-EXEC-DAG: __DATA __data 0x[[#%x, EXTERN_REF]] {{.*}} rebase {{.*}}
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# CHAINED-EXEC-DAG: __DATA __data 0x[[#%x, WEAK_REF]] {{.*}} bind 0x0 weak _weak_extern
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# CHAINED-EXEC-DAG: __DATA __data 0x[[#%x, LOCAL_REF]] {{.*}} rebase {{.*}}
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# CHAINED-EXEC-EMPTY:
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# DYLIB: Rebase table:
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# DYLIB-NEXT: segment section address type
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# DYLIB-DAG: __DATA __la_symbol_ptr 0x[[#%X, WEAK_LAZY:]] pointer
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# DYLIB-DAG: __DATA __la_symbol_ptr 0x[[#%X, EXTERN_LAZY:]] pointer
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# DYLIB-DAG: __DATA __data 0x[[#%.8X, EXTERN_REF]] pointer
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# DYLIB-DAG: __DATA __data 0x[[#%.8X, LOCAL_REF]] pointer
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# DYLIB-DAG: __DATA __data 0x[[#%.8X, WEAK_REF]] pointer
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# DYLIB-DAG: __DATA __thread_ptrs 0x[[#%.8X, TLV_REF]] pointer
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# DYLIB-EMPTY:
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# DYLIB-NEXT: Bind table:
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# DYLIB-NEXT: segment section address type addend dylib symbol
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# DYLIB-DAG: __DATA_CONST __got {{.*}} pointer 0 flat-namespace dyld_stub_binder
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# DYLIB-DAG: __DATA __data 0x[[#%.8X, EXTERN_REF]] pointer 0 flat-namespace _extern
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# DYLIB-DAG: __DATA __thread_ptrs 0x[[#%.8X, TLV_REF]] pointer 0 flat-namespace _tlv
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# DYLIB-EMPTY:
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# DYLIB-NEXT: Lazy bind table:
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# DYLIB-NEXT: segment section address dylib symbol
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# DYLIB-NEXT: __DATA __la_symbol_ptr 0x[[#%.8X, EXTERN_LAZY]] flat-namespace _extern
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# DYLIB-EMPTY:
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# DYLIB-NEXT: Weak bind table:
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# DYLIB-NEXT: segment section address type addend symbol
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# DYLIB-NEXT: __DATA __la_symbol_ptr 0x[[#%.8X, WEAK_LAZY]] pointer 0 _weak_extern
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# DYLIB-NEXT: __DATA __data 0x[[#%.8X, WEAK_REF]] pointer 0 _weak_extern
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# DYLIB-EMPTY:
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# CHAINED-DYLIB: dyld information:
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# CHAINED-DYLIB-NEXT: segment section address pointer type addend dylib symbol/vm address
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# CHAINED-DYLIB-DAG: __DATA_CONST __got {{.*}} {{.*}} bind 0x0 weak _weak_extern
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# CHAINED-DYLIB-DAG: __DATA_CONST __got {{.*}} {{.*}} bind 0x0 flat-namespace _extern
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# CHAINED-DYLIB-DAG: __DATA __data 0x[[#%x, EXTERN_REF]] {{.*}} bind 0x0 flat-namespace _extern
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# CHAINED-DYLIB-DAG: __DATA __data 0x[[#%x, WEAK_REF]] {{.*}} bind 0x0 weak _weak_extern
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# CHAINED-DYLIB-DAG: __DATA __data 0x[[#%x, LOCAL_REF]] {{.*}} rebase {{.*}}
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# CHAINED-DYLIB-DAG: __DATA __thread_ptrs 0x[[#%x, TLV_REF]] {{.*}} bind 0x0 flat-namespace _tlv
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# CHAINED-DYLIB-EMPTY:
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#--- foo.s
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.globl _main, _extern, _weak_extern, _tlv
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.weak_definition _weak_extern
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.private_extern _private_extern
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_extern:
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retq
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_weak_extern:
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retq
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_private_extern:
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retq
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_local:
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retq
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_main:
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callq _extern
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callq _weak_extern
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callq _private_extern
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callq _local
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mov _tlv@TLVP(%rip), %rax
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retq
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.data
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_extern_ref:
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.quad _extern
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_weak_ref:
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.quad _weak_extern
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_local_ref:
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.quad _local
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.section __DATA,__thread_vars,thread_local_variables
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_tlv:
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.subsections_via_symbols
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