lld/test/ELF/linkerscript/compress-debug-sections.s

   1 # REQUIRES: x86, zlib
   2
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux \
   4 # RUN:   %S/Inputs/compress-debug-sections.s -o %t1.o
   5 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t2.o
   6
   7 ## .debug_str section is mergeable. LLD would combine all of them into single
   8 ## mergeable synthetic section. We use -O0 here to disable merging, that
   9 ## allows to check that input sections has correctly assigned offsets.
  10
  11 # RUN: echo "SECTIONS { }" > %t.script
  12 # RUN: ld.lld -O0 %t1.o %t2.o %t.script -o %t1 --compress-debug-sections=zlib
  13 # RUN: llvm-dwarfdump -a %t1 | FileCheck %s
  14 # RUN: llvm-readobj -S %t1 | FileCheck %s --check-prefix=ZLIBFLAGS
  15
  16 # RUN: echo "SECTIONS { .debug_str 0 : { *(.debug_str) } }" > %t2.script
  17 # RUN: ld.lld -O0 %t1.o %t2.o %t2.script -o %t2 --compress-debug-sections=zlib
  18 # RUN: llvm-dwarfdump -a %t2 | FileCheck %s
  19 # RUN: llvm-readobj -S %t2 | FileCheck %s --check-prefix=ZLIBFLAGS
  20
  21 # CHECK:       .debug_str contents:
  22 # CHECK-NEXT:    CCC
  23 # CHECK-NEXT:    DDD
  24 # CHECK-NEXT:    AAA
  25 # CHECK-NEXT:    BBB
  26
  27 # ZLIBFLAGS:       Section {
  28 # ZLIBFLAGS:         Index:
  29 # ZLIBFLAGS:         Name: .debug_str
  30 # ZLIBFLAGS-NEXT:    Type: SHT_PROGBITS
  31 # ZLIBFLAGS-NEXT:    Flags [
  32 # ZLIBFLAGS-NEXT:      SHF_COMPRESSED
  33
  34 .section .debug_str,"MS",@progbits,1
  35   .asciz "AAA"
  36   .asciz "BBB"