# REQUIRES: x86 # LINK_ORDER cnamed sections are not kept alive by the __start_* reference. # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o # RUN: ld.lld --gc-sections -z start-stop-gc -z nostart-stop-gc %t.o -o %t # RUN: llvm-objdump --section-headers -t %t | FileCheck %s ## With -z start-stop-gc (default), non-SHF_LINK_ORDER C identifier name ## sections are not retained by __start_/__stop_ references. # RUN: ld.lld --gc-sections %t.o -o %t # RUN: llvm-readelf -S -s %t | FileCheck %s --check-prefix=GC # RUN: ld.lld --gc-sections -z start-stop-gc %t.o -o %t1 # RUN: llvm-readelf -S -s %t1 | FileCheck %s --check-prefix=GC # CHECK: Sections: # CHECK-NOT: yy # CHECK: xx {{.*}} DATA # CHECK-NOT: yy # CHECK: SYMBOL TABLE: # CHECK: xx 0000000000000000 .protected __start_xx # CHECK: w *UND* 0000000000000000 __start_yy # GC: Section Headers: # GC-NOT: xx # GC-NOT: yy # GC: WEAK DEFAULT UND __start_xx # GC: WEAK DEFAULT UND __start_yy .weak __start_xx .weak __start_yy .global _start _start: .quad __start_xx .quad __start_yy .section xx,"a" .quad 0 .section .foo,"a" .quad 0 .section yy,"ao",@progbits,.foo .quad 0