lld/test/ELF/linkerscript/empty-synthetic-removed-flags.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
   3 # RUN: echo "SECTIONS { .foo : { *(.foo) } .bar : { *(.got.plt) BYTE(0x11) }}" > %t.script
   4 # RUN: ld.lld -o %t --script %t.script %t.o
   5 # RUN: llvm-readobj -S %t | FileCheck %s
   6
   7 ## We have ".got.plt" synthetic section with SHF_ALLOC|SHF_WRITE flags.
   8 ## It is empty, so linker removes it, but it has to keep ".got.plt" output
   9 ## section because of the BYTE command. Here we check that the output section
  10 ## still remembers what the flags of .got.plt are.
  11
  12 # CHECK:     Section {
  13 # CHECK:       Index: 2
  14 # CHECK:       Name: .bar
  15 # CHECK-NEXT:  Type: SHT_PROGBITS
  16 # CHECK-NEXT:  Flags [
  17 # CHECK-NEXT:    SHF_ALLOC
  18 # CHECK-NEXT:    SHF_WRITE
  19 # CHECK-NEXT:  ]
  20
  21 ## Check flags are not the same if we omit empty synthetic section in script.
  22 # RUN: echo "SECTIONS { .foo : { *(.foo) } .bar : { BYTE(0x11) }}" > %t.script
  23 # RUN: ld.lld -o %t --script %t.script %t.o
  24 # RUN: llvm-readobj -S %t | FileCheck --check-prefix=EMPTY %s
  25
  26 # EMPTY:     Section {
  27 # EMPTY:       Index: 2
  28 # EMPTY:       Name: .bar
  29 # EMPTY-NEXT:  Type: SHT_PROGBITS
  30 # EMPTY-NEXT:  Flags [
  31 # EMPTY-NEXT:    SHF_ALLOC
  32 # EMPTY-NEXT:  ]
  33
  34 .section .foo,"ax"
  35 .quad 0