lld/test/ELF/aarch64-feature-pac.s

   1 # REQUIRES: aarch64
   2 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %s -o %t.o
   3 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %p/Inputs/aarch64-pac1.s -o %t1.o
   4 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %p/Inputs/aarch64-func3.s -o %t2.o
   5 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %p/Inputs/aarch64-func3-pac.s -o %t3.o
   6 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %p/Inputs/aarch64-func2.s -o %tno.o
   7
   8 ## We do not add PAC support when the inputs don't have the .note.gnu.property
   9 ## field.
  10
  11 # RUN: ld.lld %tno.o %t3.o --shared -o %tno.so
  12 # RUN: llvm-objdump --no-print-imm-hex -d --mattr=+v8.3a --no-show-raw-insn %tno.so | FileCheck --check-prefix=NOPAC %s
  13 # RUN: llvm-readelf -x .got.plt %tno.so | FileCheck --check-prefix SOGOTPLT %s
  14 # RUN: llvm-readelf --dynamic-table %tno.so | FileCheck --check-prefix NOPACDYN %s
  15
  16 # NOPAC: 00000000000102b8 <func2>:
  17 # NOPAC-NEXT:    102b8: bl      0x102f0 <func3@plt>
  18 # NOPAC-NEXT:           ret
  19 # NOPAC: Disassembly of section .plt:
  20 # NOPAC: 00000000000102d0 <.plt>:
  21 # NOPAC-NEXT:    102d0: stp     x16, x30, [sp, #-16]!
  22 # NOPAC-NEXT:           adrp    x16, 0x30000
  23 # NOPAC-NEXT:           ldr     x17, [x16, #960]
  24 # NOPAC-NEXT:           add     x16, x16, #960
  25 # NOPAC-NEXT:           br      x17
  26 # NOPAC-NEXT:           nop
  27 # NOPAC-NEXT:           nop
  28 # NOPAC-NEXT:           nop
  29 # NOPAC: 00000000000102f0 <func3@plt>:
  30 # NOPAC-NEXT:    102f0: adrp    x16, 0x30000
  31 # NOPAC-NEXT:           ldr     x17, [x16, #968]
  32 # NOPAC-NEXT:           add     x16, x16, #968
  33 # NOPAC-NEXT:           br      x17
  34
  35 # SOGOTPLT: Hex dump of section '.got.plt':
  36 # SOGOTPLT-NEXT: 0x000303b0 00000000 00000000 00000000 00000000
  37 # SOGOTPLT-NEXT: 0x000303c0 00000000 00000000 d0020100 00000000
  38
  39 # NOPACDYN-NOT:   0x0000000070000001 (AARCH64_BTI_PLT)
  40 # NOPACDYN-NOT:   0x0000000070000003 (AARCH64_PAC_PLT)
  41
  42 # RUN: ld.lld %t1.o %t3.o --shared --soname=t.so -o %t.so
  43 # RUN: llvm-readelf -n %t.so | FileCheck --check-prefix PACPROP %s
  44 # RUN: llvm-objdump --no-print-imm-hex -d --mattr=+v8.3a --no-show-raw-insn %t.so | FileCheck --check-prefix PACSO %s
  45 # RUN: llvm-readelf -x .got.plt %t.so | FileCheck --check-prefix SOGOTPLT2 %s
  46 # RUN: llvm-readelf --dynamic-table %t.so |  FileCheck --check-prefix PACDYN %s
  47
  48 ## PAC has no effect on PLT[0], for PLT[N].
  49 # PACSO: 0000000000010348 <func2>:
  50 # PACSO-NEXT:    10348:         bl      0x10380 <func3@plt>
  51 # PACSO-NEXT:                   ret
  52 # PACSO: 0000000000010350 <func3>:
  53 # PACSO-NEXT:    10350:         ret
  54 # PACSO: Disassembly of section .plt:
  55 # PACSO: 0000000000010360 <.plt>:
  56 # PACSO-NEXT:    10360:         stp     x16, x30, [sp, #-16]!
  57 # PACSO-NEXT:                   adrp    x16, 0x30000
  58 # PACSO-NEXT:                   ldr     x17, [x16, #1120]
  59 # PACSO-NEXT:                   add     x16, x16, #1120
  60 # PACSO-NEXT:                   br      x17
  61 # PACSO-NEXT:                   nop
  62 # PACSO-NEXT:                   nop
  63 # PACSO-NEXT:                   nop
  64 # PACSO: 0000000000010380 <func3@plt>:
  65 # PACSO-NEXT:    10380:         adrp    x16, 0x30000
  66 # PACSO-NEXT:                   ldr     x17, [x16, #1128]
  67 # PACSO-NEXT:                   add     x16, x16, #1128
  68 # PACSO-NEXT:                   br      x17
  69
  70 # SOGOTPLT2: Hex dump of section '.got.plt':
  71 # SOGOTPLT2-NEXT: 0x00030450 00000000 00000000 00000000 00000000
  72 # SOGOTPLT2-NEXT: 0x00030460 00000000 00000000 60030100 00000000
  73
  74 # PACPROP: Properties:    aarch64 feature: PAC
  75
  76 # PACDYN-NOT:      0x0000000070000001 (AARCH64_BTI_PLT)
  77 # PACDYN-NOT:      0x0000000070000003 (AARCH64_PAC_PLT)
  78
  79 ## Turn on PAC entries with the -z pac-plt command line option. For files w/o
  80 ## GNU_PROPERTY_AARCH64_FEATURE_1_PAC set in GNU_PROPERTY_AARCH64_FEATURE_1_AND
  81 ## property, emit a warning.
  82
  83 # RUN: ld.lld %t.o %t2.o -z pac-plt %t.so -o %tpacplt.exe 2>&1 | FileCheck -DFILE=%t2.o --check-prefix WARN %s
  84
  85 # WARN: warning: [[FILE]]: -z pac-plt: file does not have GNU_PROPERTY_AARCH64_FEATURE_1_PAC property and no valid PAuth core info present for this link job
  86
  87 # RUN: llvm-readelf -n %tpacplt.exe | FileCheck --check-prefix=PACPROP %s
  88 # RUN: llvm-readelf --dynamic-table %tpacplt.exe | FileCheck --check-prefix PACDYN2 %s
  89 # RUN: llvm-objdump --no-print-imm-hex -d --mattr=+v8.3a --no-show-raw-insn %tpacplt.exe | FileCheck --check-prefix PACPLT %s
  90
  91 # PACPLT: Disassembly of section .text:
  92 # PACPLT: 0000000000210370 <func1>:
  93 # PACPLT-NEXT:   210370:        bl      0x2103a0 <func2@plt>
  94 # PACPLT-NEXT:                  ret
  95 # PACPLT: 0000000000210378 <func3>:
  96 # PACPLT-NEXT:   210378:        ret
  97 # PACPLT: Disassembly of section .plt:
  98 # PACPLT: 0000000000210380 <.plt>:
  99 # PACPLT-NEXT:   210380:        stp     x16, x30, [sp, #-16]!
 100 # PACPLT-NEXT:                  adrp    x16, 0x230000
 101 # PACPLT-NEXT:                  ldr     x17, [x16, #1192]
 102 # PACPLT-NEXT:                  add     x16, x16, #1192
 103 # PACPLT-NEXT:                  br      x17
 104 # PACPLT-NEXT:                  nop
 105 # PACPLT-NEXT:                  nop
 106 # PACPLT-NEXT:                  nop
 107 # PACPLT: 00000000002103a0 <func2@plt>:
 108 # PACPLT-NEXT:   2103a0:        adrp    x16, 0x230000
 109 # PACPLT-NEXT:                  ldr     x17, [x16, #1200]
 110 # PACPLT-NEXT:                  add     x16, x16, #1200
 111 # PACPLT-NEXT:                  autia1716
 112 # PACPLT-NEXT:                  br      x17
 113 # PACPLT-NEXT:                  nop
 114
 115 # PACDYN2-NOT:      0x0000000070000001 (AARCH64_BTI_PLT)
 116 # PACDYN2:      0x0000000070000003 (AARCH64_PAC_PLT)
 117
 118 .section ".note.gnu.property", "a"
 119 .long 4
 120 .long 0x10
 121 .long 0x5
 122 .asciz "GNU"
 123
 124 .long 0xc0000000 // GNU_PROPERTY_AARCH64_FEATURE_1_AND
 125 .long 4
 126 .long 2          // GNU_PROPERTY_AARCH64_FEATURE_1_PAC
 127 .long 0
 128
 129 .text
 130 .globl _start
 131 .type func1,%function
 132 func1:
 133   bl func2
 134   ret