| # REQUIRES: x86 |
| |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %tundefined.o |
| # RUN: echo "foo=42" | llvm-mc -filetype=obj -triple=x86_64-unknown-linux - -o %tdefined.o |
| # RUN: echo "call foo" | llvm-mc -filetype=obj -triple=x86_64-unknown-linux - -o %treference.o |
| |
| # RUN: echo "SECTIONS { .bar : { PROVIDE(foo = .); } }" > %t.script |
| |
| # Case 1: Provided symbol is undefined and not referenced - empty section should be removed. |
| # RUN: ld.lld %tundefined.o -T %t.script -o %t1.elf |
| # RUN: llvm-readobj --sections %t1.elf | FileCheck %s --check-prefix=NOSECTION |
| |
| # Case 2: Provided symbol is undefined and referenced - empty section should not be removed. |
| # RUN: ld.lld %tundefined.o %treference.o -T %t.script -o %t2.elf |
| # RUN: llvm-readobj --sections %t2.elf | FileCheck %s --check-prefix=SECTION |
| |
| # Case 3: Provided symbol is defined and not referenced - empty section should be removed. |
| # RUN: ld.lld %tdefined.o -T %t.script -o %t3.elf |
| # RUN: llvm-readobj --sections %t3.elf | FileCheck %s --check-prefix=NOSECTION |
| |
| # Case 4: Provided symbol is defined and referenced - empty section should not be removed. |
| # RUN: ld.lld %tdefined.o %treference.o -T %t.script -o %t4.elf |
| # RUN: llvm-readobj --sections %t4.elf | FileCheck %s --check-prefix=SECTION |
| |
| .global _start |
| _start: |
| ret |
| |
| # SECTION: .bar |
| # NOSECTION-NOT: .bar |
