lld/test/ELF/x86-64-feature-cet.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64 %p/Inputs/x86-64-cet1.s -o %t1.o
   4 # RUN: llvm-mc -filetype=obj -triple=x86_64 %p/Inputs/x86-64-cet2.s -o %t2.o
   5 # RUN: llvm-mc -filetype=obj -triple=x86_64 %p/Inputs/x86-64-cet3.s -o %t3.o
   6 # RUN: llvm-mc -filetype=obj -triple=x86_64 %p/Inputs/x86-64-cet4.s -o %t4.o
   7
   8 # RUN: ld.lld -e func1 %t.o %t1.o -o %t
   9 # RUN: llvm-readelf -n %t | FileCheck --check-prefix=CET --match-full-lines %s
  10
  11 # RUN: ld.lld -e func1 %t.o %t2.o -o %t
  12 # RUN: llvm-readelf -n %t | FileCheck --check-prefix=CET --match-full-lines %s
  13
  14 # CET: Properties: x86 feature: IBT, SHSTK
  15
  16 # RUN: ld.lld -e func1 %t.o %t3.o -o %t
  17 # RUN: llvm-readelf -S %t | FileCheck --check-prefix=NOCET %s
  18
  19 # NOCET:     Section Headers
  20 # NOCET-NOT: .note.gnu.property
  21
  22 # RUN: ld.lld -e func1 %t.o %t3.o -o %t -z force-ibt 2>&1 \
  23 # RUN:   | FileCheck --check-prefix=WARN %s
  24 # WARN: {{.*}}.o: -z force-ibt: file does not have GNU_PROPERTY_X86_FEATURE_1_IBT property
  25
  26 # RUN:not ld.lld -e func1 %t.o %t3.o -o /dev/null -z cet-report=something 2>&1 \
  27 # RUN:   | FileCheck --check-prefix=REPORT_INVALID %s
  28 # REPORT_INVALID: error: -z cet-report= parameter something is not recognized
  29 # REPORT_INVALID-EMPTY:
  30
  31 # RUN: ld.lld -e func1 %t.o %t3.o -o /dev/null  -z force-ibt -z cet-report=warning 2>&1 \
  32 # RUN:   | FileCheck --check-prefix=REPORT_FORCE %s
  33 # REPORT_FORCE: {{.*}}.o: -z cet-report: file does not have GNU_PROPERTY_X86_FEATURE_1_IBT property
  34 # REPORT_FORCE: {{.*}}.o: -z cet-report: file does not have GNU_PROPERTY_X86_FEATURE_1_SHSTK property
  35 # REPORT_FORCE-EMPTY:
  36
  37 # RUN: ld.lld -e func1 %t.o %t3.o -o /dev/null -z cet-report=warning 2>&1 \
  38 # RUN:   | FileCheck --check-prefix=CET_REPORT_WARN %s
  39 # CET_REPORT_WARN: {{.*}}.o: -z cet-report: file does not have GNU_PROPERTY_X86_FEATURE_1_IBT property
  40 # CET_REPORT_WARN: {{.*}}.o: -z cet-report: file does not have GNU_PROPERTY_X86_FEATURE_1_SHSTK property
  41 # CET_REPORT_WARN-EMPTY:
  42
  43 # RUN: not ld.lld -e func1 %t.o %t3.o -o /dev/null -z cet-report=error 2>&1 \
  44 # RUN:   | FileCheck --check-prefix=CET_REPORT_ERROR %s
  45 # CET_REPORT_ERROR: {{.*}}.o: -z cet-report: file does not have GNU_PROPERTY_X86_FEATURE_1_IBT property
  46 # CET_REPORT_ERROR: {{.*}}.o: -z cet-report: file does not have GNU_PROPERTY_X86_FEATURE_1_SHSTK property
  47 # CET_REPORT_ERROR-EMPTY:
  48
  49 # RUN: ld.lld -e func1 %t.o %t4.o -o %t
  50 # RUN: llvm-readelf -n %t | FileCheck --check-prefix=NOSHSTK %s
  51
  52 # Check .note.gnu.protery without property SHSTK.
  53 # NOSHSTK: Properties: x86 feature: IBT{{$}}
  54
  55 # RUN: ld.lld -shared %t1.o -soname=so -o %t1.so
  56 # RUN: ld.lld -e func1 %t.o %t1.so -o %t
  57 # RUN: llvm-readelf -n %t | FileCheck --check-prefix=CET --match-full-lines %s
  58 # RUN: llvm-readelf -x .got.plt %t | FileCheck --check-prefix=GOTPLT %s
  59 # RUN: llvm-objdump -d --no-show-raw-insn --print-imm-hex %t | FileCheck --check-prefix=DISASM %s
  60
  61 # GOTPLT:      Hex dump of section '.got.plt':
  62 # GOTPLT-NEXT: 203480 80232000 00000000 00000000 00000000
  63 # GOTPLT-NEXT: 203490 00000000 00000000 50132000 00000000
  64 # GOTPLT-NEXT: 2034a0 00000000 00000000
  65
  66 # DISASM:      Disassembly of section .text:
  67 # DISASM:      0000000000201330 <func1>:
  68 # DISASM-NEXT: 201330:       callq   0x201360 <func2+0x201360>
  69 # DISASM-NEXT: 201335:       callq   0x201370 <func2+0x201370>
  70 # DISASM-NEXT:               retq
  71
  72 # DISASM:      Disassembly of section .plt:
  73 # DISASM:      0000000000201340 <.plt>:
  74 # DISASM-NEXT: 201340:       pushq   0x2142(%rip)
  75 # DISASM-NEXT:               jmpq    *0x2144(%rip)
  76 # DISASM-NEXT:               nopl    (%rax)
  77 # DISASM-NEXT:               endbr64
  78 # DISASM-NEXT:               pushq   $0x0
  79 # DISASM-NEXT:               jmp     0x201340 <.plt>
  80 # DISASM-NEXT:               nop
  81
  82 # DISASM:      Disassembly of section .plt.sec:
  83 # DISASM:      0000000000201360 <.plt.sec>:
  84 # DISASM-NEXT: 201360:       endbr64
  85 # DISASM-NEXT:               jmpq    *0x212e(%rip)
  86 # DISASM-NEXT:               nopw    (%rax,%rax)
  87
  88 # DISASM:      Disassembly of section .iplt:
  89 # DISASM:      0000000000201370 <.iplt>:
  90 # DISASM-NEXT: 201370:       endbr64
  91 # DISASM-NEXT:               jmpq    *0x2126(%rip)
  92 # DISASM-NEXT:               nopw    (%rax,%rax)
  93
  94 ## If there is no PLT entry, don't create .plt section.
  95 # RUN: ld.lld -e 0 %t1.o -o %t.noplt
  96 # RUN: llvm-readelf -S %t.noplt | FileCheck %s --check-prefix=NOPLT
  97 # RUN: ld.lld -r %t1.o -o %t.noplt
  98 # RUN: llvm-readelf -S %t.noplt | FileCheck %s --check-prefix=NOPLT
  99
 100 # NOPLT:     [Nr] Name
 101 # NOPLT-NOT: .plt
 102 # NOPLT:     .note.gnu.property
 103 # NOPLT-NOT: .plt
 104
 105 .section ".note.gnu.property", "a"
 106 .long 4
 107 .long 0x10
 108 .long 0x5
 109 .asciz "GNU"
 110
 111 .long 0xc0000002 # GNU_PROPERTY_X86_FEATURE_1_AND
 112 .long 4
 113 .long 3          # GNU_PROPERTY_X86_FEATURE_1_IBT and SHSTK
 114 .long 0
 115
 116 .text
 117 .globl func1
 118 .type func1,@function
 119 func1:
 120   call func2
 121   call ifunc
 122   ret
 123
 124 .type ifunc,@gnu_indirect_function
 125 ifunc:
 126   ret