| # REQUIRES: x86 |
| |
| # RUN: rm -rf %t; split-file %s %t |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-macos %t/default.s -o %t/default.o |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-macos %t/lazydef.s -o %t/lazydef.o |
| # RUN: llvm-ar --format=darwin rcs %t/lazydef.a %t/lazydef.o |
| |
| ## Check that mixing exported and unexported symbol options yields an error |
| # RUN: not %lld -dylib %t/default.o -o /dev/null \ |
| # RUN: -exported_symbol a -unexported_symbol b 2>&1 | \ |
| # RUN: FileCheck --check-prefix=CONFLICT %s |
| |
| # CONFLICT: error: cannot use both -exported_symbol* and -unexported_symbol* options |
| # CONFLICT-NEXT: >>> ignoring unexports |
| |
| ## Check that an exported literal name with no symbol definition yields an error |
| ## but that an exported glob-pattern with no matching symbol definition is OK |
| # RUN: not %lld -dylib %t/default.o -o /dev/null \ |
| # RUN: -exported_symbol absent_literal \ |
| # RUN: -exported_symbol absent_gl?b 2>&1 | \ |
| # RUN: FileCheck --check-prefix=UNDEF %s |
| |
| # UNDEF: error: undefined symbol: absent_literal |
| # UNDEF-NEXT: >>> referenced by -exported_symbol(s_list) |
| # UNDEF-NOT: error: {{.*}} absent_gl{{.}}b |
| |
| ## Check that dynamic_lookup suppresses the error |
| # RUN: %lld -dylib %t/default.o -undefined dynamic_lookup -o %t/dyn-lookup \ |
| # RUN: -exported_symbol absent_literal |
| # RUN: llvm-objdump --macho --syms %t/dyn-lookup | FileCheck %s --check-prefix=DYN |
| # DYN: *UND* absent_literal |
| |
| ## Check that exported literal symbols are present in output's |
| ## symbol table, even lazy symbols which would otherwise be omitted |
| # RUN: %lld -dylib %t/default.o %t/lazydef.a -o %t/lazydef \ |
| # RUN: -exported_symbol _keep_globl \ |
| # RUN: -exported_symbol _keep_lazy |
| # RUN: llvm-objdump --syms %t/lazydef | \ |
| # RUN: FileCheck --check-prefix=EXPORT %s |
| |
| # EXPORT-DAG: g F __TEXT,__text _keep_globl |
| # EXPORT-DAG: g F __TEXT,__text _keep_lazy |
| |
| ## Check that exported symbol is global |
| # RUN: %no_fatal_warnings_lld -dylib %t/default.o -o %t/hidden-export \ |
| # RUN: -exported_symbol _private_extern 2>&1 | \ |
| # RUN: FileCheck --check-prefix=PRIVATE %s |
| |
| # PRIVATE: warning: cannot export hidden symbol _private_extern |
| |
| ## Check that we still hide the other symbols despite the warning |
| # RUN: llvm-objdump --macho --exports-trie %t/hidden-export | \ |
| # RUN: FileCheck --check-prefix=EMPTY-TRIE %s |
| # EMPTY-TRIE: Exports trie: |
| # EMPTY-TRIE-EMPTY: |
| |
| ## Check that the export trie is unaltered |
| # RUN: %lld -dylib %t/default.o -o %t/default |
| # RUN: llvm-objdump --macho --exports-trie %t/default | \ |
| # RUN: FileCheck --check-prefix=DEFAULT %s |
| |
| # DEFAULT-LABEL: Exports trie: |
| # DEFAULT-DAG: _hide_globl |
| # DEFAULT-DAG: _keep_globl |
| # DEFAULT-NOT: _private_extern |
| |
| ## Check that the export trie is shaped by an allow list and then |
| ## by a deny list. Both lists are designed to yield the same result. |
| |
| ## Check the allow list |
| # RUN: %lld -dylib %t/default.o -o %t/allowed \ |
| # RUN: -exported_symbol _keep_globl |
| # RUN: llvm-objdump --macho --exports-trie %t/allowed | \ |
| # RUN: FileCheck --check-prefix=TRIE %s |
| # RUN: llvm-nm -m %t/allowed | \ |
| # RUN: FileCheck --check-prefix=NM %s |
| |
| ## Check the deny list |
| # RUN: %lld -dylib %t/default.o -o %t/denied \ |
| # RUN: -unexported_symbol _hide_globl |
| # RUN: llvm-objdump --macho --exports-trie %t/denied | \ |
| # RUN: FileCheck --check-prefix=TRIE %s |
| # RUN: llvm-nm -m %t/denied | \ |
| # RUN: FileCheck --check-prefix=NM %s |
| |
| # TRIE-LABEL: Exports trie: |
| # TRIE-DAG: _keep_globl |
| # TRIE-NOT: _hide_globl |
| # TRIE-NOT: _private_extern |
| |
| # NM-DAG: external _keep_globl |
| # NM-DAG: non-external (was a private external) _hide_globl |
| # NM-DAG: non-external (was a private external) _private_extern |
| |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-macos \ |
| # RUN: %t/symdefs.s -o %t/symdefs.o |
| |
| ## Check that only string-literal patterns match |
| ## Check that comments and blank lines are stripped from symbol list |
| # RUN: %lld -dylib %t/symdefs.o -o %t/literal \ |
| # RUN: -exported_symbols_list %t/literals.txt |
| # RUN: llvm-objdump --macho --exports-trie %t/literal | \ |
| # RUN: FileCheck --check-prefix=LITERAL %s |
| |
| # LITERAL-DAG: literal_only |
| # LITERAL-DAG: literal_also |
| # LITERAL-DAG: globby_also |
| # LITERAL-NOT: globby_only |
| |
| ## Check that only glob patterns match |
| ## Check that comments and blank lines are stripped from symbol list |
| # RUN: %lld -dylib %t/symdefs.o -o %t/globby \ |
| # RUN: -exported_symbols_list %t/globbys.txt |
| # RUN: llvm-objdump --macho --exports-trie %t/globby | \ |
| # RUN: FileCheck --check-prefix=GLOBBY %s |
| |
| # GLOBBY-DAG: literal_also |
| # GLOBBY-DAG: globby_only |
| # GLOBBY-DAG: globby_also |
| # GLOBBY-NOT: literal_only |
| |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-macos \ |
| # RUN: %t/autohide.s -o %t/autohide.o |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-macos \ |
| # RUN: %t/autohide-private-extern.s -o %t/autohide-private-extern.o |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-macos \ |
| # RUN: %t/glob-private-extern.s -o %t/glob-private-extern.o |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-macos \ |
| # RUN: %t/weak-private-extern.s -o %t/weak-private-extern.o |
| ## Test that we can export the autohide symbol but not when it's also |
| ## private-extern |
| # RUN: %lld -dylib -exported_symbol "_foo" %t/autohide.o -o %t/exp-autohide.dylib |
| # RUN: llvm-nm -g %t/exp-autohide.dylib | FileCheck %s --check-prefix=EXP-AUTOHIDE |
| |
| # RUN: not %lld -dylib -exported_symbol "_foo" %t/autohide-private-extern.o \ |
| # RUN: -o /dev/null 2>&1 | FileCheck %s --check-prefix=AUTOHIDE-PRIVATE |
| |
| # RUN: not %lld -dylib -exported_symbol "_foo" %t/autohide.o \ |
| # RUN: %t/glob-private-extern.o -o /dev/null 2>&1 | \ |
| # RUN: FileCheck %s --check-prefix=AUTOHIDE-PRIVATE |
| |
| # RUN: not %lld -dylib -exported_symbol "_foo" %t/autohide.o \ |
| # RUN: %t/weak-private-extern.o -o /dev/null 2>&1 | \ |
| # RUN: FileCheck %s --check-prefix=AUTOHIDE-PRIVATE |
| |
| # EXP-AUTOHIDE: T _foo |
| # AUTOHIDE-PRIVATE: error: cannot export hidden symbol _foo |
| |
| #--- default.s |
| |
| .globl _keep_globl, _hide_globl |
| _keep_globl: |
| retq |
| _hide_globl: |
| retq |
| .private_extern _private_extern |
| _private_extern: |
| retq |
| _private: |
| retq |
| |
| #--- lazydef.s |
| |
| .globl _keep_lazy |
| _keep_lazy: |
| retq |
| |
| #--- symdefs.s |
| |
| .globl literal_only, literal_also, globby_only, globby_also |
| literal_only: |
| retq |
| literal_also: |
| retq |
| globby_only: |
| retq |
| globby_also: |
| retq |
| |
| #--- literals.txt |
| |
| literal_only # comment |
| literal_also |
| |
| # globby_only |
| globby_also |
| |
| #--- globbys.txt |
| |
| # literal_only |
| l?ter[aeiou]l_*[^y] # comment |
| |
| *gl?bby_* |
| |
| #--- autohide.s |
| .globl _foo |
| .weak_def_can_be_hidden _foo |
| _foo: |
| retq |
| |
| #--- autohide-private-extern.s |
| .globl _foo |
| .weak_def_can_be_hidden _foo |
| .private_extern _foo |
| _foo: |
| retq |
| |
| #--- glob-private-extern.s |
| .global _foo |
| .private_extern _foo |
| _foo: |
| retq |
| |
| #--- weak-private-extern.s |
| .global _foo |
| .weak_definition _foo |
| .private_extern _foo |
| _foo: |
| retq |
