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1# REQUIRES: x862# RUN: rm -rf %t; split-file %s %t3 4## With -flat_namespace, non-weak extern symbols in dylibs become interposable.5## Check that we generate the correct bindings for them. The test also includes6## other symbol types like weak externs to verify we continue to do the same7## (correct) thing even when `-flat_namespace` is enabled, instead of generating8## spurious bindings.9 10# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-macos -o %t/foo.o %t/foo.s11# RUN: %lld -lSystem -flat_namespace -o %t/foo %t/foo.o12# RUN: %lld -lSystem -flat_namespace -fixup_chains -o %t/chained %t/foo.o13# RUN: %lld -lSystem -dylib -flat_namespace -o %t/foo.dylib %t/foo.o14# RUN: %lld -lSystem -dylib -flat_namespace -fixup_chains -o %t/chained.dylib %t/foo.o15# RUN: %lld -lSystem -bundle -flat_namespace -o %t/foo.bundle %t/foo.o16# RUN: %lld -lSystem -bundle -flat_namespace -fixup_chains -o %t/chained.bundle %t/foo.o17# RUN: llvm-objdump --macho --syms --rebase --bind --lazy-bind --weak-bind %t/foo | \18# RUN: FileCheck %s --check-prefixes=SYMS,EXEC --implicit-check-not=_private_extern19# RUN: llvm-objdump --macho --syms %t/chained >> %t/chained.objdump20# RUN: llvm-objdump --macho --dyld-info %t/chained >> %t/chained.objdump21# RUN: FileCheck %s --check-prefixes=SYMS,CHAINED-EXEC < %t/chained.objdump22# RUN: llvm-objdump --macho --syms %t/chained.dylib >> %t/dylib.objdump23# RUN: llvm-objdump --macho --dyld-info %t/chained.dylib >> %t/dylib.objdump24# RUN: FileCheck %s --check-prefixes=SYMS,CHAINED-DYLIB < %t/dylib.objdump25# RUN: llvm-objdump --macho --syms %t/chained.bundle >> %t/bundle.objdump26# RUN: llvm-objdump --macho --dyld-info %t/chained.bundle >> %t/bundle.objdump27# RUN: FileCheck %s --check-prefixes=SYMS,CHAINED-DYLIB < %t/bundle.objdump28 29# SYMS: SYMBOL TABLE:30# SYMS-DAG: [[#%x, EXTERN_REF:]] l O __DATA,__data _extern_ref31# SYMS-DAG: [[#%x, LOCAL_REF:]] l O __DATA,__data _local_ref32# SYMS-DAG: [[#%x, WEAK_REF:]] l O __DATA,__data _weak_ref33# SYMS-DAG: [[#%x, TLV_REF:]] g O __DATA,__thread_vars _tlv34 35## Executables with -flat_namespace don't have interposable externs.36# EXEC: Rebase table:37# EXEC-NEXT: segment section address type38# EXEC-DAG: __DATA __la_symbol_ptr 0x[[#%X, WEAK_LAZY:]] pointer39# EXEC-DAG: __DATA __data 0x[[#%.8X, EXTERN_REF]] pointer40# EXEC-DAG: __DATA __data 0x[[#%.8X, LOCAL_REF]] pointer41# EXEC-DAG: __DATA __data 0x[[#%.8X, WEAK_REF]] pointer42# EXEC-EMPTY:43# EXEC-NEXT: Bind table:44# EXEC-NEXT: segment section address type addend dylib symbol45# EXEC-EMPTY:46# EXEC-NEXT: Lazy bind table:47# EXEC-NEXT: segment section address dylib symbol48# EXEC-EMPTY:49# EXEC-NEXT: Weak bind table:50# EXEC-NEXT: segment section address type addend symbol51# EXEC-NEXT: __DATA __la_symbol_ptr 0x[[#%.8X, WEAK_LAZY]] pointer 0 _weak_extern52# EXEC-NEXT: __DATA __data 0x[[#%.8X, WEAK_REF]] pointer 0 _weak_extern53# EXEC-EMPTY:54 55# CHAINED-EXEC: dyld information:56# CHAINED-EXEC-NEXT: segment section address pointer type addend dylib symbol/vm address57# CHAINED-EXEC-DAG: __DATA_CONST __got {{.*}} {{.*}} bind 0x0 weak _weak_extern58# CHAINED-EXEC-DAG: __DATA __data 0x[[#%x, EXTERN_REF]] {{.*}} rebase {{.*}}59# CHAINED-EXEC-DAG: __DATA __data 0x[[#%x, WEAK_REF]] {{.*}} bind 0x0 weak _weak_extern60# CHAINED-EXEC-DAG: __DATA __data 0x[[#%x, LOCAL_REF]] {{.*}} rebase {{.*}}61# CHAINED-EXEC-EMPTY:62 63# DYLIB: Rebase table:64# DYLIB-NEXT: segment section address type65# DYLIB-DAG: __DATA __la_symbol_ptr 0x[[#%X, WEAK_LAZY:]] pointer66# DYLIB-DAG: __DATA __la_symbol_ptr 0x[[#%X, EXTERN_LAZY:]] pointer67# DYLIB-DAG: __DATA __data 0x[[#%.8X, EXTERN_REF]] pointer68# DYLIB-DAG: __DATA __data 0x[[#%.8X, LOCAL_REF]] pointer69# DYLIB-DAG: __DATA __data 0x[[#%.8X, WEAK_REF]] pointer70# DYLIB-DAG: __DATA __thread_ptrs 0x[[#%.8X, TLV_REF]] pointer71# DYLIB-EMPTY:72# DYLIB-NEXT: Bind table:73# DYLIB-NEXT: segment section address type addend dylib symbol74# DYLIB-DAG: __DATA_CONST __got {{.*}} pointer 0 flat-namespace dyld_stub_binder75# DYLIB-DAG: __DATA __data 0x[[#%.8X, EXTERN_REF]] pointer 0 flat-namespace _extern76# DYLIB-DAG: __DATA __thread_ptrs 0x[[#%.8X, TLV_REF]] pointer 0 flat-namespace _tlv77# DYLIB-EMPTY:78# DYLIB-NEXT: Lazy bind table:79# DYLIB-NEXT: segment section address dylib symbol80# DYLIB-NEXT: __DATA __la_symbol_ptr 0x[[#%.8X, EXTERN_LAZY]] flat-namespace _extern81# DYLIB-EMPTY:82# DYLIB-NEXT: Weak bind table:83# DYLIB-NEXT: segment section address type addend symbol84# DYLIB-NEXT: __DATA __la_symbol_ptr 0x[[#%.8X, WEAK_LAZY]] pointer 0 _weak_extern85# DYLIB-NEXT: __DATA __data 0x[[#%.8X, WEAK_REF]] pointer 0 _weak_extern86# DYLIB-EMPTY:87 88# CHAINED-DYLIB: dyld information:89# CHAINED-DYLIB-NEXT: segment section address pointer type addend dylib symbol/vm address90# CHAINED-DYLIB-DAG: __DATA_CONST __got {{.*}} {{.*}} bind 0x0 weak _weak_extern91# CHAINED-DYLIB-DAG: __DATA_CONST __got {{.*}} {{.*}} bind 0x0 flat-namespace _extern92# CHAINED-DYLIB-DAG: __DATA __data 0x[[#%x, EXTERN_REF]] {{.*}} bind 0x0 flat-namespace _extern93# CHAINED-DYLIB-DAG: __DATA __data 0x[[#%x, WEAK_REF]] {{.*}} bind 0x0 weak _weak_extern94# CHAINED-DYLIB-DAG: __DATA __data 0x[[#%x, LOCAL_REF]] {{.*}} rebase {{.*}}95# CHAINED-DYLIB-DAG: __DATA __thread_ptrs 0x[[#%x, TLV_REF]] {{.*}} bind 0x0 flat-namespace _tlv96# CHAINED-DYLIB-EMPTY:97 98#--- foo.s99 100.globl _main, _extern, _weak_extern, _tlv101.weak_definition _weak_extern102.private_extern _private_extern103 104_extern:105 retq106_weak_extern:107 retq108_private_extern:109 retq110_local:111 retq112 113_main:114 callq _extern115 callq _weak_extern116 callq _private_extern117 callq _local118 mov _tlv@TLVP(%rip), %rax119 retq120 121.data122_extern_ref:123.quad _extern124_weak_ref:125.quad _weak_extern126_local_ref:127.quad _local128 129.section __DATA,__thread_vars,thread_local_variables130_tlv:131 132.subsections_via_symbols133