lld/test/ELF/linkerscript/sections-constraint.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
   3 # RUN: echo "SECTIONS { \
   4 # RUN:  .writable : ONLY_IF_RW { *(.writable) } \
   5 # RUN:  .readable : ONLY_IF_RO { *(.readable) }}" > %t.script
   6 # RUN: ld.lld -o %t1 --script %t.script %t
   7 # RUN: llvm-objdump --section-headers %t1 | \
   8 # RUN:   FileCheck -check-prefix=BASE %s
   9 # BASE: Sections:
  10 # BASE-NEXT: Idx Name          Size
  11 # BASE-NEXT:   0               00000000
  12 # BASE:   .writable     00000004
  13 # BASE:   .readable     00000004
  14
  15 # RUN: echo "SECTIONS { \
  16 # RUN:  .foo : ONLY_IF_RO { *(.foo.*) } \
  17 # RUN:  .writable : ONLY_IF_RW { *(.writable) } \
  18 # RUN:  .readable : ONLY_IF_RO { *(.readable) }}" > %t2.script
  19 # RUN: ld.lld -o %t2 --script %t2.script %t
  20 # RUN: llvm-objdump --section-headers %t2 | \
  21 # RUN:   FileCheck -check-prefix=NO1 %s
  22 # NO1: Sections:
  23 # NO1-NEXT: Idx Name          Size
  24 # NO1-NEXT: 0               00000000
  25 # NO1:  .writable     00000004
  26 # NO1:  .foo.2        00000004
  27 # NO1:  .readable     00000004
  28 # NO1:  .foo.1        00000004
  29
  30 .global _start
  31 _start:
  32   nop
  33
  34 .section .writable, "aw"
  35 writable:
  36  .long 1
  37
  38 .section .readable, "a"
  39 readable:
  40  .long 2
  41
  42 .section .foo.1, "awx"
  43  .long 0
  44
  45 .section .foo.2, "aw"
  46  .long 0