lld/test/ELF/gnustack.s

   1 # REQUIRES: x86
   2 # RUN: rm -rf %t && split-file %s %t && cd %t
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64 a.s -o a.o
   4 # RUN: llvm-mc -filetype=obj -triple=x86_64 x.s -o x.o
   5 # RUN: llvm-mc -filetype=obj -triple=x86_64 nox.s -o nox.o
   6
   7 # RUN: ld.lld a.o -z execstack -o out
   8 # RUN: llvm-readobj --program-headers -S out | FileCheck --check-prefix=RWX %s
   9
  10 # RUN: ld.lld a.o -o out
  11 # RUN: llvm-readobj --program-headers -S out | FileCheck --check-prefix=RW %s
  12
  13 # RUN: ld.lld a.o -o out -z noexecstack
  14 # RUN: llvm-readobj --program-headers -S out | FileCheck --check-prefix=RW %s
  15
  16 # RUN: ld.lld a.o -o out -z nognustack
  17 # RUN: llvm-readobj --program-headers -s out | FileCheck --check-prefix=NOGNUSTACK %s
  18
  19 # RW:      Type: PT_GNU_STACK
  20 # RW-NEXT: Offset: 0x0
  21 # RW-NEXT: VirtualAddress: 0x0
  22 # RW-NEXT: PhysicalAddress: 0x0
  23 # RW-NEXT: FileSize: 0
  24 # RW-NEXT: MemSize: 0
  25 # RW-NEXT: Flags [
  26 # RW-NEXT:   PF_R
  27 # RW-NEXT:   PF_W
  28 # RW-NEXT: ]
  29 # RW-NEXT: Alignment: 0
  30
  31 # RWX:      Type: PT_GNU_STACK
  32 # RWX-NEXT: Offset: 0x0
  33 # RWX-NEXT: VirtualAddress: 0x0
  34 # RWX-NEXT: PhysicalAddress: 0x0
  35 # RWX-NEXT: FileSize: 0
  36 # RWX-NEXT: MemSize: 0
  37 # RWX-NEXT: Flags [
  38 # RWX-NEXT:   PF_R
  39 # RWX-NEXT:   PF_W
  40 # RWX-NEXT:   PF_X
  41 # RWX-NEXT: ]
  42 # RWX-NEXT: Alignment: 0
  43
  44 # NOGNUSTACK-NOT: Type: PT_GNU_STACK
  45
  46 # RUN: not ld.lld a.o x.o nox.o x.o 2>&1 | FileCheck %s --check-prefix=ERR --implicit-check-not=error:
  47 # RUN: not ld.lld a.o x.o nox.o x.o -z nognustack 2>&1 | FileCheck %s --check-prefix=ERR --implicit-check-not=error:
  48 # ERR-COUNT-2: error: x.o: requires an executable stack, but -z execstack is not specified
  49
  50 # RUN: ld.lld a.o x.o nox.o x.o -z execstack --fatal-warnings
  51 # RUN: ld.lld -r x.o --fatal-warnings
  52
  53 #--- a.s
  54 .globl _start
  55 _start:
  56
  57 #--- x.s
  58 .section .note.GNU-stack,"x"
  59
  60 #--- nox.s
  61 .section .note.GNU-stack,""