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

   1 # REQUIRES: aarch64
   2
   3 # RUN: rm -rf %t && split-file %s %t && cd %t
   4
   5 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu abi-tag1.s -o tag1.o
   6 # RUN: cp tag1.o tag1a.o
   7 # RUN: ld.lld -shared tag1.o tag1a.o -o tagok.so
   8 # RUN: llvm-readelf -n tagok.so | FileCheck --check-prefix OK %s
   9
  10 # OK: AArch64 PAuth ABI core info: platform 0x2a (unknown), version 0x1
  11
  12 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu abi-tag2.s -o tag2.o
  13 # RUN: not ld.lld tag1.o tag1a.o tag2.o -o /dev/null 2>&1 | FileCheck --check-prefix ERR1 %s
  14
  15 # ERR1:      error: incompatible values of AArch64 PAuth core info found
  16 # ERR1-NEXT: >>> tag1.o: 0x2a000000000000000{{1|2}}00000000000000
  17 # ERR1-NEXT: >>> tag2.o: 0x2a000000000000000{{1|2}}00000000000000
  18
  19 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu abi-tag-short.s -o short.o
  20 # RUN: not ld.lld short.o -o /dev/null 2>&1 | FileCheck --check-prefix ERR2 %s
  21
  22 # ERR2: error: short.o:(.note.gnu.property+0x0): GNU_PROPERTY_AARCH64_FEATURE_PAUTH entry is invalid: expected 16 bytes, but got 12
  23
  24 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu abi-tag-long.s -o long.o
  25 # RUN: not ld.lld long.o -o /dev/null 2>&1 | FileCheck --check-prefix ERR3 %s
  26
  27 # ERR3: error: long.o:(.note.gnu.property+0x0): GNU_PROPERTY_AARCH64_FEATURE_PAUTH entry is invalid: expected 16 bytes, but got 24
  28
  29 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu abi-tag-multiple.s -o multiple.o
  30 # RUN: not ld.lld multiple.o -o /dev/null 2>&1 | FileCheck --check-prefix ERR4 %s
  31 # ERR4: error: multiple.o:(.note.gnu.property+0x0): multiple GNU_PROPERTY_AARCH64_FEATURE_PAUTH entries are not supported
  32
  33 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu no-info.s -o noinfo1.o
  34 # RUN: cp noinfo1.o noinfo2.o
  35 # RUN: not ld.lld -z pauth-report=error noinfo1.o tag1.o noinfo2.o -o /dev/null 2>&1 | FileCheck --check-prefix ERR5 %s
  36 # RUN: ld.lld -z pauth-report=warning noinfo1.o tag1.o noinfo2.o -o /dev/null 2>&1 | FileCheck --check-prefix WARN1 %s
  37 # RUN: ld.lld -z pauth-report=none noinfo1.o tag1.o noinfo2.o --fatal-warnings -o /dev/null
  38
  39 # ERR5:      error: noinfo1.o: -z pauth-report: file does not have AArch64 PAuth core info while 'tag1.o' has one
  40 # ERR5-NEXT: error: noinfo2.o: -z pauth-report: file does not have AArch64 PAuth core info while 'tag1.o' has one
  41 # WARN1:      warning: noinfo1.o: -z pauth-report: file does not have AArch64 PAuth core info while 'tag1.o' has one
  42 # WARN1-NEXT: warning: noinfo2.o: -z pauth-report: file does not have AArch64 PAuth core info while 'tag1.o' has one
  43
  44 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu abi-tag-zero.s            -o tag-zero.o
  45 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %p/Inputs/aarch64-func2.s -o func2.o
  46 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %p/Inputs/aarch64-func3.s -o func3.o
  47 # RUN: ld.lld func3.o --shared -o func3.so
  48 # RUN: ld.lld tag1.o func2.o func3.so -z pac-plt --shared -o pacplt-nowarn --fatal-warnings
  49 # RUN: ld.lld tag-zero.o func2.o func3.so -z pac-plt --shared -o pacplt-warn 2>&1 | FileCheck --check-prefix WARN2 %s
  50
  51 # WARN2:      warning: tag-zero.o: -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
  52 # WARN2-NEXT: warning: func2.o: -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
  53
  54 # RUN: llvm-readelf -d pacplt-nowarn | FileCheck --check-prefix=PACPLTTAG %s
  55 # RUN: llvm-readelf -d pacplt-warn   | FileCheck --check-prefix=PACPLTTAG %s
  56
  57 # PACPLTTAG:      0x0000000070000003 (AARCH64_PAC_PLT)
  58
  59 # RUN: llvm-objdump -d pacplt-nowarn | FileCheck --check-prefixes=PACPLT,NOHINT -DA=10380 -DB=478 -DC=480 %s
  60 # RUN: llvm-objdump -d pacplt-warn   | FileCheck --check-prefixes=PACPLT,HINT   -DA=10390 -DB=488 -DC=490 %s
  61
  62 # PACPLT: Disassembly of section .text:
  63 # PACPLT:      <func2>:
  64 # PACPLT-NEXT:     bl      0x[[A]] <func3@plt>
  65 # PACPLT-NEXT:     ret
  66 # PACPLT: Disassembly of section .plt:
  67 # PACPLT:      <.plt>:
  68 # PACPLT-NEXT:     stp     x16, x30, [sp, #-0x10]!
  69 # PACPLT-NEXT:     adrp    x16, 0x30000 <func3+0x30000>
  70 # PACPLT-NEXT:     ldr     x17, [x16, #0x[[B]]]
  71 # PACPLT-NEXT:     add     x16, x16, #0x[[B]]
  72 # PACPLT-NEXT:     br      x17
  73 # PACPLT-NEXT:     nop
  74 # PACPLT-NEXT:     nop
  75 # PACPLT-NEXT:     nop
  76 # PACPLT:      <func3@plt>:
  77 # PACPLT-NEXT:     adrp    x16, 0x30000 <func3+0x30000>
  78 # PACPLT-NEXT:     ldr     x17, [x16, #0x[[C]]]
  79 # PACPLT-NEXT:     add     x16, x16, #0x[[C]]
  80 # NOHINT-NEXT:     braa    x17, x16
  81 # NOHINT-NEXT:     nop
  82 # HINT-NEXT:       autia1716
  83 # HINT-NEXT:       br      x17
  84 # PACPLT-NEXT:     nop
  85
  86 #--- abi-tag-short.s
  87
  88 .section ".note.gnu.property", "a"
  89 .long 4
  90 .long 20
  91 .long 5
  92 .asciz "GNU"
  93 .long 0xc0000001
  94 .long 12
  95 .quad 2
  96 .long 31
  97
  98 #--- abi-tag-long.s
  99
 100 .section ".note.gnu.property", "a"
 101 .long 4
 102 .long 32
 103 .long 5
 104 .asciz "GNU"
 105 .long 0xc0000001
 106 .long 24
 107 .quad 2
 108 .quad 31
 109 .quad 0
 110
 111 #--- abi-tag-multiple.s
 112
 113 .section ".note.gnu.property", "a"
 114 .long 4
 115 .long 48
 116 .long 5
 117 .asciz "GNU"
 118 .long 0xc0000001
 119 .long 16
 120 .quad 42 // platform
 121 .quad 1  // version
 122 .long 0xc0000001
 123 .long 16
 124 .quad 42 // platform
 125 .quad 1  // version
 126
 127 #--- abi-tag1.s
 128
 129 .section ".note.gnu.property", "a"
 130 .long 4
 131 .long 24
 132 .long 5
 133 .asciz "GNU"
 134 .long 0xc0000001
 135 .long 16
 136 .quad 42 // platform
 137 .quad 1  // version
 138
 139 #--- abi-tag2.s
 140
 141 .section ".note.gnu.property", "a"
 142 .long 4
 143 .long 24
 144 .long 5
 145 .asciz "GNU"
 146 .long 0xc0000001
 147 .long 16
 148 .quad 42 // platform
 149 .quad 2  // version
 150
 151 #--- abi-tag-zero.s
 152
 153 .section ".note.gnu.property", "a"
 154 .long 4
 155 .long 24
 156 .long 5
 157 .asciz "GNU"
 158 .long 0xc0000001
 159 .long 16
 160 .quad 0  // platform
 161 .quad 0  // version
 162
 163 #--- no-info.s
 164
 165 ## define _start to avoid missing entry warning and use --fatal-warnings to assert no diagnostic
 166 ## allow multiple definitions of _start for simplicity
 167 .weak _start;
 168 _start: