1# REQUIRES: x86 2# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o 3# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %p/Inputs/comdat-discarded-reloc.s -o %t2.o 4# RUN: ld.lld -gc-sections --noinhibit-exec %t2.o %t.o -o /dev/null 5# RUN: ld.lld -r %t2.o %t.o -o %t 2>&1 | FileCheck --check-prefix=WARN %s 6# RUN: llvm-readobj -r %t | FileCheck --check-prefix=RELOC %s 7 8## ELF spec doesn't allow a relocation to point to a deduplicated 9## COMDAT section. Unfortunately this happens in practice (e.g. .eh_frame) 10## Test case checks we do not crash. 11 12# WARN: warning: relocation refers to a discarded section: .text.bar1 13# WARN-NEXT: >>> referenced by {{.*}}.o:(.rela.text.bar2+0x0) 14# WARN-NOT: warning 15 16# RELOC: .rela.eh_frame { 17# RELOC-NEXT: R_X86_64_NONE 18# RELOC-NEXT: } 19# RELOC-NEXT: .rela.debug_foo { 20# RELOC-NEXT: R_X86_64_NONE 21# RELOC-NEXT: } 22# RELOC-NEXT: .rela.gcc_except_table { 23# RELOC-NEXT: R_X86_64_NONE 24# RELOC-NEXT: } 25 26.globl group 27group: 28.section .text.bar1,"aG",@progbits,group,comdat 29 30## .text.bar1 in this file is discarded. Warn on the relocation. 31.section .text.bar2,"ax" 32.globl bar 33bar: 34 .quad .text.bar1 35 36## Don't warn on .eh_frame, .debug*, .zdebug*, or .gcc_except_table 37.section .eh_frame,"a",@unwind 38 .quad .text.bar1 39 40.section .debug_foo 41 .quad .text.bar1 42 43.section .gcc_except_table,"a" 44 .quad .text.bar1 45