| # REQUIRES: x86 |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/shared.s -o %t2.o |
| # RUN: ld.lld -shared %t2.o -o %t2.so |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o |
| # RUN: ld.lld --gc-sections --export-dynamic-symbol foo -o %t %t.o --as-needed %t2.so |
| # RUN: llvm-readobj --dynamic-table --dyn-symbols %t | FileCheck %s |
| |
| # This test the property that we have a needed line for every undefined. |
| # It would also be OK to drop bar2 and the need for the .so |
| |
| # CHECK: DynamicSymbols [ |
| # CHECK-NEXT: Symbol { |
| # CHECK-NEXT: Name: |
| # CHECK-NEXT: Value: |
| # CHECK-NEXT: Size: |
| # CHECK-NEXT: Binding: Local |
| # CHECK-NEXT: Type: |
| # CHECK-NEXT: Other: |
| # CHECK-NEXT: Section: Undefined (0x0) |
| # CHECK-NEXT: } |
| # CHECK-NEXT: Symbol { |
| # CHECK-NEXT: Name: bar2 |
| # CHECK-NEXT: Value: |
| # CHECK-NEXT: Size: |
| # CHECK-NEXT: Binding: Global |
| # CHECK-NEXT: Type: |
| # CHECK-NEXT: Other: |
| # CHECK-NEXT: Section: Undefined |
| # CHECK-NEXT: } |
| # CHECK-NEXT: Symbol { |
| # CHECK-NEXT: Name: foo |
| # CHECK-NEXT: Value: |
| # CHECK-NEXT: Size: |
| # CHECK-NEXT: Binding: Global |
| # CHECK-NEXT: Type: |
| # CHECK-NEXT: Other: |
| # CHECK-NEXT: Section: .text |
| # CHECK-NEXT: } |
| # CHECK-NEXT: ] |
| |
| # CHECK: NEEDED Shared library: [{{.*}}.so] |
| |
| .section .text.foo, "ax" |
| .globl foo |
| foo: |
| call bar |
| |
| .section .text.bar, "ax" |
| .globl bar |
| bar: |
| ret |
| |
| .section .text._start, "ax" |
| .globl _start |
| _start: |
| ret |
| |
| .section .text.unused, "ax" |
| call bar2 |