1# REQUIRES: x86 2# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/shared.s -o %t2.o 3# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/gc-sections-shared.s -o %t3.o 4# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/gc-sections-shared2.s -o %t4.o 5# RUN: ld.lld -shared %t2.o -o %t2.so 6# RUN: ld.lld -shared %t3.o -o %t3.so 7# RUN: ld.lld -shared %t4.o -o %t4.so 8# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o 9# RUN: ld.lld --gc-sections --export-dynamic-symbol foo -o %t %t.o --as-needed %t2.so %t3.so %t4.so 10# RUN: llvm-readelf -d --dyn-symbols %t | FileCheck %s 11 12# This test the property that we have a needed line for every undefined. 13# It would also be OK to keep bar2 and the need for %t2.so 14# At the same time, weak symbols should not cause adding DT_NEEDED; 15# this case is checked with symbol qux and %t4.so. 16 17# CHECK-NOT: NEEDED 18# CHECK: (NEEDED) Shared library: [{{.*}}3.so] 19# CHECK-NOT: NEEDED 20 21# CHECK-DAG: FUNC WEAK DEFAULT UND qux 22# CHECK-DAG: NOTYPE GLOBAL DEFAULT 6 bar 23# CHECK-DAG: FUNC GLOBAL DEFAULT UND baz 24# CHECK-DAG: NOTYPE GLOBAL DEFAULT 6 foo 25 26# Test with %t.o at the end too. 27# RUN: ld.lld --gc-sections --export-dynamic-symbol foo -o %t --as-needed %t2.so %t3.so %t4.so %t.o 28# RUN: llvm-readelf --dynamic-table --dyn-symbols %t | FileCheck --check-prefix=CHECK %s 29 30.section .text.foo, "ax" 31.globl foo 32foo: 33.long bar - . 34 35.section .text.bar, "ax" 36.globl bar 37bar: 38ret 39 40.section .text._start, "ax" 41.globl _start 42.weak qux 43_start: 44.long baz - . 45.long qux - . 46ret 47 48.section .text.unused, "ax" 49.long bar2 - . 50