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150
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1 # REQUIRES: aarch64
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2 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %s -o %t.o
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3 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %p/Inputs/aarch64-btipac1.s -o %t1.o
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4 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %p/Inputs/aarch64-func3.s -o %t3.o
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5 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %p/Inputs/aarch64-func3-btipac.s -o %t3btipac.o
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6
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7 ## Build shared library with all inputs having BTI and PAC, expect PLT
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8 ## entries supporting both PAC and BTI. For a shared library this means:
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9 ## PLT[0] has bti c at start
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10 ## PLT[n] has autia1716 before br x17
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11
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12 # RUN: ld.lld %t1.o %t3btipac.o --shared --soname=t.so -o %t.so
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13 # RUN: llvm-readelf -n %t.so | FileCheck --check-prefix BTIPACPROP %s
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173
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14 # RUN: llvm-objdump -d --mattr=+v8.5a --no-show-raw-insn %t.so | FileCheck --check-prefix BTIPACSO %s
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150
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15 # RUN: llvm-readelf --dynamic-table %t.so | FileCheck --check-prefix BTIPACDYN %s
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16
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17 # BTIPACSO: Disassembly of section .text:
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173
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18 # BTIPACSO: 0000000000010348 <func2>:
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19 # BTIPACSO-NEXT: 10348: bl 0x10380 <func3@plt>
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150
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20 # BTIPACSO-NEXT: ret
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173
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21 # BTIPACSO: 0000000000010350 <func3>:
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150
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22 # BTIPACSO-NEXT: 10350: ret
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23 # BTIPACSO: Disassembly of section .plt:
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173
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24 # BTIPACSO: 0000000000010360 <.plt>:
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150
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25 # BTIPACSO-NEXT: 10360: bti c
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26 # BTIPACSO-NEXT: stp x16, x30, [sp, #-16]!
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27 # BTIPACSO-NEXT: adrp x16, #131072
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173
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28 # BTIPACSO-NEXT: ldr x17, [x16, #1136]
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29 # BTIPACSO-NEXT: add x16, x16, #1136
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150
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30 # BTIPACSO-NEXT: br x17
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31 # BTIPACSO-NEXT: nop
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32 # BTIPACSO-NEXT: nop
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173
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33 # BTIPACSO: 0000000000010380 <func3@plt>:
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150
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34 # BTIPACSO-NEXT: 10380: adrp x16, #131072
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173
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35 # BTIPACSO-NEXT: ldr x17, [x16, #1144]
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36 # BTIPACSO-NEXT: add x16, x16, #1144
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150
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37 # BTIPACSO-NEXT: br x17
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38
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39 # BTIPACPROP: Properties: aarch64 feature: BTI, PAC
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40
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41 # BTIPACDYN: 0x0000000070000001 (AARCH64_BTI_PLT)
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173
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42 # BTIPACDYN-NOT: 0x0000000070000003 (AARCH64_PAC_PLT)
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150
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43
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44 ## Make an executable with both BTI and PAC properties. Expect:
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45 ## PLT[0] bti c as first instruction
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173
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46 ## PLT[n] bti n as first instruction
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150
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47
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48 # RUN: ld.lld %t.o %t3btipac.o %t.so -o %t.exe
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49 # RUN: llvm-readelf -n %t.exe | FileCheck --check-prefix=BTIPACPROP %s
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173
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50 # RUN: llvm-objdump -d --mattr=+v8.5a --no-show-raw-insn %t.exe | FileCheck --check-prefix BTIPACEX %s
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51 # RUN: llvm-readelf --dynamic-table %t.exe | FileCheck --check-prefix BTIPACDYNEX %s
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150
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52
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53 # BTIPACEX: Disassembly of section .text:
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173
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54 # BTIPACEX: 0000000000210370 <func1>:
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55 # BTIPACEX-NEXT: 210370: bl 0x2103a0 <func2@plt>
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150
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56 # BTIPACEX-NEXT: ret
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57 # BTIPACEX-NEXT: ret
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173
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58 # BTIPACEX: 000000000021037c <func3>:
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150
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59 # BTIPACEX-NEXT: 21037c: ret
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60 # BTIPACEX: Disassembly of section .plt:
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173
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61 # BTIPACEX: 0000000000210380 <.plt>:
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150
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62 # BTIPACEX-NEXT: 210380: bti c
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63 # BTIPACEX-NEXT: stp x16, x30, [sp, #-16]!
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64 # BTIPACEX-NEXT: adrp x16, #131072
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173
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65 # BTIPACEX-NEXT: ldr x17, [x16, #1192]
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66 # BTIPACEX-NEXT: add x16, x16, #1192
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150
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67 # BTIPACEX-NEXT: br x17
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68 # BTIPACEX-NEXT: nop
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69 # BTIPACEX-NEXT: nop
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173
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70 # BTIPACEX: 00000000002103a0 <func2@plt>:
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150
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71 # BTIPACEX-NEXT: 2103a0: bti c
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72 # BTIPACEX-NEXT: adrp x16, #131072
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173
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73 # BTIPACEX-NEXT: ldr x17, [x16, #1200]
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74 # BTIPACEX-NEXT: add x16, x16, #1200
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150
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75 # BTIPACEX-NEXT: br x17
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76
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173
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77 # BTIPACDYNEX: 0x0000000070000001 (AARCH64_BTI_PLT)
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78 # BTIPACDYNEX-NOT: 0x0000000070000003 (AARCH64_PAC_PLT)
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79
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150
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80 ## Check that combinations of BTI+PAC with 0 properties results in standard PLT
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81
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82 # RUN: ld.lld %t.o %t3.o %t.so -o %t.exe
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173
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83 # RUN: llvm-objdump -d --mattr=+v8.5a --no-show-raw-insn %t.exe | FileCheck --check-prefix EX %s
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150
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84 # RUN: llvm-readelf --dynamic-table %t.exe | FileCheck --check-prefix=NODYN %s
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85
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86 # EX: Disassembly of section .text:
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173
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87 # EX: 00000000002102e0 <func1>:
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88 # EX-NEXT: 2102e0: bl 0x210310 <func2@plt>
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150
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89 # EX-NEXT: ret
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90 # EX-NEXT: ret
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173
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91 # EX: 00000000002102ec <func3>:
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150
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92 # EX-NEXT: 2102ec: ret
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93 # EX: Disassembly of section .plt:
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173
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94 # EX: 00000000002102f0 <.plt>:
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150
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95 # EX-NEXT: 2102f0: stp x16, x30, [sp, #-16]!
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96 # EX-NEXT: adrp x16, #131072
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97 # EX-NEXT: ldr x17, [x16, #1024]
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98 # EX-NEXT: add x16, x16, #1024
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99 # EX-NEXT: br x17
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100 # EX-NEXT: nop
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101 # EX-NEXT: nop
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102 # EX-NEXT: nop
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173
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103 # EX: 0000000000210310 <func2@plt>:
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150
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104 # EX: 210310: adrp x16, #131072
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105 # EX-NEXT: ldr x17, [x16, #1032]
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106 # EX-NEXT: add x16, x16, #1032
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107 # EX-NEXT: br x17
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108
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109 # NODYN-NOT: 0x0000000070000001 (AARCH64_BTI_PLT)
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110 # NODYN-NOT: 0x0000000070000003 (AARCH64_PAC_PLT)
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111
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112 ## Check that combination of -z pac-plt and -z force-bti warns for the file that
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113 ## doesn't contain the BTI property, but generates PAC and BTI PLT sequences.
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114 ## The -z pac-plt doesn't warn as it is not required for correctness.
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173
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115 ## Expect:
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116 ## PLT[0] bti c as first instruction
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117 ## PLT[n] bti n as first instruction, autia1716 before br x17
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150
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118
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119 # RUN: ld.lld %t.o %t3.o %t.so -z pac-plt -z force-bti -o %t.exe 2>&1 | FileCheck --check-prefix=FORCE-WARN %s
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120
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173
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121 # FORCE-WARN: aarch64-feature-btipac.s.tmp3.o: -z force-bti: file does not have GNU_PROPERTY_AARCH64_FEATURE_1_BTI property
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150
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122
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123 # RUN: llvm-readelf -n %t.exe | FileCheck --check-prefix=BTIPACPROP %s
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173
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124 # RUN: llvm-objdump -d --mattr=+v8.5a --no-show-raw-insn %t.exe | FileCheck --check-prefix BTIPACEX2 %s
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125 # RUN: llvm-readelf --dynamic-table %t.exe | FileCheck --check-prefix BTIPACDYN2 %s
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150
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126 .section ".note.gnu.property", "a"
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127 .long 4
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128 .long 0x10
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129 .long 0x5
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130 .asciz "GNU"
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131
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132 .long 0xc0000000 // GNU_PROPERTY_AARCH64_FEATURE_1_AND
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133 .long 4
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134 .long 3 // GNU_PROPERTY_AARCH64_FEATURE_1_BTI and PAC
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135 .long 0
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136
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137 .text
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138 .globl _start
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139 .type func1,%function
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140 func1:
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141 bl func2
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142 ret
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143 .globl func3
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144 .type func3,%function
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145 ret
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173
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146
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147 # BTIPACEX2: Disassembly of section .text:
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148 # BTIPACEX2: 0000000000210370 <func1>:
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149 # BTIPACEX2-NEXT: 210370: bl 0x2103a0 <func2@plt>
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150 # BTIPACEX2-NEXT: ret
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151 # BTIPACEX2-NEXT: ret
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152 # BTIPACEX2: 000000000021037c <func3>:
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153 # BTIPACEX2-NEXT: 21037c: ret
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154 # BTIPACEX2: Disassembly of section .plt:
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155 # BTIPACEX2: 0000000000210380 <.plt>:
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156 # BTIPACEX2-NEXT: 210380: bti c
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157 # BTIPACEX2-NEXT: stp x16, x30, [sp, #-16]!
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158 # BTIPACEX2-NEXT: adrp x16, #131072
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159 # BTIPACEX2-NEXT: ldr x17, [x16, #1208]
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160 # BTIPACEX2-NEXT: add x16, x16, #1208
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161 # BTIPACEX2-NEXT: br x17
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162 # BTIPACEX2-NEXT: nop
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163 # BTIPACEX2-NEXT: nop
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164 # BTIPACEX2: 00000000002103a0 <func2@plt>:
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165 # BTIPACEX2-NEXT: 2103a0: bti c
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166 # BTIPACEX2-NEXT: adrp x16, #131072
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167 # BTIPACEX2-NEXT: ldr x17, [x16, #1216]
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168 # BTIPACEX2-NEXT: add x16, x16, #1216
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169 # BTIPACEX2-NEXT: autia1716
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170 # BTIPACEX2-NEXT: br x17
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171
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172 # BTIPACDYN2: 0x0000000070000001 (AARCH64_BTI_PLT)
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173 # BTIPACDYN2-NEXT: 0x0000000070000003 (AARCH64_PAC_PLT) |
