lld/test/ELF/openbsd-phdr.s

   1 # REQUIRES: x86
   2 # RUN: rm -rf %t && split-file %s %t && cd %t
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-openbsd randomdata.s -o randomdata.o
   4 # RUN: ld.lld randomdata.o -o randomdata
   5 # RUN: llvm-readelf -S -l randomdata | FileCheck %s --check-prefix=RANDOMDATA
   6
   7 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-openbsd /dev/null -o wxneeded.o
   8 # RUN: ld.lld -z wxneeded wxneeded.o -o wxneeded
   9 # RUN: llvm-readelf -l wxneeded | FileCheck %s --check-prefix=WXNEEDED
  10
  11 # RUN: ld.lld -T lds randomdata.o -o out
  12 # RUN: llvm-readelf -S -l out | FileCheck %s --check-prefixes=RANDOMDATA,CHECK
  13
  14 # RANDOMDATA: Name                Type     Address            Off             Size   ES Flg Lk Inf Al
  15 # RANDOMDATA: .openbsd.randomdata PROGBITS [[ADDR:[0-9a-f]+]] [[O:[0-9a-f]+]] 000008 00   A  0   0  1
  16
  17 # WXNEEDED:   Type              Offset   VirtAddr           PhysAddr           FileSiz  MemSiz   Flg Align
  18 # WXNEEDED:   OPENBSD_WXNEEDED  0x000000 0x0000000000000000 0x0000000000000000 0x000000 0x000000 E   0
  19
  20 # RANDOMDATA: Type              Offset   VirtAddr           PhysAddr           FileSiz  MemSiz   Flg Align
  21 # RANDOMDATA: OPENBSD_RANDOMIZE 0x[[O]]  0x[[ADDR]]         0x[[ADDR]]         0x000008 0x000008 R   0x1
  22 # CHECK-NEXT: OPENBSD_BOOTDATA  0x000000 0x0000000000000000 0x0000000000000000 0x000000 0x000000 R   0
  23 # CHECK-NEXT: OPENBSD_MUTABLE   0x000000 0x0000000000000000 0x0000000000000000 0x000000 0x000000 R   0
  24 # CHECK-NEXT: OPENBSD_SYSCALLS  0x000000 0x0000000000000000 0x0000000000000000 0x000000 0x000000 R   0
  25 # CHECK-NEXT: OPENBSD_WXNEEDED  0x000000 0x0000000000000000 0x0000000000000000 0x000000 0x000000 R   0
  26
  27 #--- randomdata.s
  28 .section .openbsd.randomdata, "a"
  29 .quad 0
  30
  31 #--- lds
  32 PHDRS {
  33   text PT_LOAD FILEHDR PHDRS;
  34   rand PT_OPENBSD_RANDOMIZE;
  35   boot PT_OPENBSD_BOOTDATA;
  36   mutable PT_OPENBSD_MUTABLE;
  37   syscalls PT_OPENBSD_SYSCALLS;
  38   wxneeded PT_OPENBSD_WXNEEDED;
  39 }
  40 SECTIONS {
  41   . = SIZEOF_HEADERS;
  42   .text : { *(.text) }
  43   .openbsd.randomdata : { *(.openbsd.randomdata) } : rand
  44 }