lld/test/ELF/emit-relocs-gc.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
   3
   4 ## Show that we emit .rela.bar, .rela.text and .rela.debug_info when GC is disabled.
   5 # RUN: ld.lld --emit-relocs %t.o -o %t
   6 # RUN: llvm-objdump %t --section-headers | FileCheck %s --check-prefix=NOGC
   7 # NOGC: .rela.text
   8 # NOGC: .rela.bar
   9 # NOGC: .rela.debug_info
  10
  11 ## GC collects .bar section and we exclude .rela.bar from output. We keep
  12 ## .rela.text because we keep .text. We keep .rela.debug_info because we keep
  13 ## non-SHF_ALLOC .debug_info.
  14 # RUN: ld.lld --gc-sections --emit-relocs --print-gc-sections %t.o -o %t \
  15 # RUN:   | FileCheck --check-prefix=MSG %s
  16 # MSG: removing unused section {{.*}}.o:(.bar)
  17 # MSG: removing unused section {{.*}}.o:(.rela.bar)
  18 # RUN: llvm-objdump %t --section-headers | FileCheck %s --check-prefix=GC --implicit-check-not=.rela.
  19 # GC:      .rela.text
  20 # GC-NEXT: .debug_info
  21 # GC-NEXT: .rela.debug_info
  22
  23 .section .bar,"a"
  24 .quad .bar
  25
  26 .text
  27 relocs:
  28 .quad _start
  29
  30 .global _start
  31 _start:
  32  nop
  33
  34 .section .debug_info,"",@progbits
  35 .quad .text