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