| # REQUIRES: x86 |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux \ |
| # RUN: %p/Inputs/abs.s -o %tabs.o |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux \ |
| # RUN: %p/Inputs/shared.s -o %tshared.o |
| # RUN: rm -f %tar.a |
| # RUN: llvm-ar rcs %tar.a %tabs.o %tshared.o |
| |
| # Symbols from the archive are not in if not needed |
| # RUN: ld.lld -o %t1 %t.o %tar.a |
| # RUN: llvm-readobj --symbols %t1 | FileCheck --check-prefix=NO-UNDEFINED %s |
| # NO-UNDEFINED: Symbols [ |
| # NO-UNDEFINED-NOT: Name: abs |
| # NO-UNDEFINED-NOT: Name: big |
| # NO-UNDEFINED-NOT: Name: bar |
| # NO-UNDEFINED-NOT: Name: zed |
| # NO-UNDEFINED: ] |
| |
| # Symbols from the archive are in if needed, but only from the |
| # containing object file |
| # RUN: ld.lld -o %t2 %t.o %tar.a -u bar |
| # RUN: llvm-readobj --symbols %t2 | FileCheck --check-prefix=ONE-UNDEFINED %s |
| # ONE-UNDEFINED: Symbols [ |
| # ONE-UNDEFINED-NOT: Name: abs |
| # ONE-UNDEFINED-NOT: Name: big |
| # ONE-UNDEFINED: Name: bar |
| # ONE-UNDEFINED: Name: zed |
| # ONE-UNDEFINED: ] |
| |
| # Use the option couple of times, both short and long forms |
| # RUN: ld.lld -o %t3 %t.o %tar.a -u bar --undefined=abs |
| # RUN: llvm-readobj --symbols %t3 | FileCheck --check-prefix=TWO-UNDEFINED %s |
| # RUN: ld.lld -o %t3 %t.o %tar.a -u bar --undefined abs |
| # RUN: llvm-readobj --symbols %t3 | FileCheck --check-prefix=TWO-UNDEFINED %s |
| # TWO-UNDEFINED: Symbols [ |
| # TWO-UNDEFINED: Name: abs |
| # TWO-UNDEFINED: Name: big |
| # TWO-UNDEFINED: Name: bar |
| # TWO-UNDEFINED: Name: zed |
| # TWO-UNDEFINED: ] |
| # Now the same logic but linker script is used to set undefines |
| # RUN: echo "EXTERN( bar abs )" > %t.script |
| # RUN: ld.lld -o %t3 %t.o %tar.a %t.script |
| # RUN: llvm-readobj --symbols %t3 | FileCheck --check-prefix=TWO-UNDEFINED %s |
| |
| # Added undefined symbol may be left undefined without error, but |
| # shouldn't show up in the dynamic table. |
| # RUN: ld.lld -shared -o %t4 %t.o %tar.a -u unknown |
| # RUN: llvm-readobj --dyn-symbols %t4 | \ |
| # RUN: FileCheck --check-prefix=UNK-UNDEFINED-SO %s |
| # UNK-UNDEFINED-SO: DynamicSymbols [ |
| # UNK-UNDEFINED-SO-NOT: Name: unknown |
| # UNK-UNDEFINED-SO: ] |
| |
| # Added undefined symbols should appear in the dynamic table if necessary. |
| # RUN: ld.lld -shared -o %t5 %t.o -u export |
| # RUN: llvm-readobj --dyn-symbols %t5 | \ |
| # RUN: FileCheck --check-prefix=EXPORT-SO %s |
| # EXPORT-SO: DynamicSymbols [ |
| # EXPORT-SO: Name: export |
| # EXPORT-SO: ] |
| |
| .globl _start |
| _start: |
| |
| .globl export |
| export: |
