| # 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 |