# 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 # REQUIRES: x86 # 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: