| # REQUIRES: aarch64 |
| # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %s -o %t.o |
| # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %p/Inputs/aarch64-btipac1.s -o %t1.o |
| # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %p/Inputs/aarch64-func3.s -o %t3.o |
| # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %p/Inputs/aarch64-func3-btipac.s -o %t3btipac.o |
| |
| ## Build shared library with all inputs having BTI and PAC, expect PLT |
| ## entries supporting both PAC and BTI. For a shared library this means: |
| ## PLT[0] has bti c at start |
| ## PLT[n] has autia1716 before br x17 |
| |
| # RUN: ld.lld %t1.o %t3btipac.o --shared --soname=t.so -o %t.so |
| # RUN: llvm-readelf -n %t.so | FileCheck --check-prefix BTIPACPROP %s |
| # RUN: llvm-objdump -d --mattr=+v8.5a --no-show-raw-insn %t.so | FileCheck --check-prefix BTIPACSO %s |
| # RUN: llvm-readelf --dynamic-table %t.so | FileCheck --check-prefix BTIPACDYN %s |
| |
| # BTIPACSO: Disassembly of section .text: |
| # BTIPACSO: 0000000000010348 <func2>: |
| # BTIPACSO-NEXT: 10348: bl 0x10380 <func3@plt> |
| # BTIPACSO-NEXT: ret |
| # BTIPACSO: 0000000000010350 <func3>: |
| # BTIPACSO-NEXT: 10350: ret |
| # BTIPACSO: Disassembly of section .plt: |
| # BTIPACSO: 0000000000010360 <.plt>: |
| # BTIPACSO-NEXT: 10360: bti c |
| # BTIPACSO-NEXT: stp x16, x30, [sp, #-16]! |
| # BTIPACSO-NEXT: adrp x16, 0x30000 |
| # BTIPACSO-NEXT: ldr x17, [x16, #1144] |
| # BTIPACSO-NEXT: add x16, x16, #1144 |
| # BTIPACSO-NEXT: br x17 |
| # BTIPACSO-NEXT: nop |
| # BTIPACSO-NEXT: nop |
| # BTIPACSO: 0000000000010380 <func3@plt>: |
| # BTIPACSO-NEXT: 10380: adrp x16, 0x30000 |
| # BTIPACSO-NEXT: ldr x17, [x16, #1152] |
| # BTIPACSO-NEXT: add x16, x16, #1152 |
| # BTIPACSO-NEXT: br x17 |
| |
| # BTIPACPROP: Properties: aarch64 feature: BTI, PAC |
| |
| # BTIPACDYN: 0x0000000070000001 (AARCH64_BTI_PLT) |
| # BTIPACDYN-NOT: 0x0000000070000003 (AARCH64_PAC_PLT) |
| |
| ## Make an executable with both BTI and PAC properties. Expect: |
| ## PLT[0] bti c as first instruction |
| ## PLT[n] bti n as first instruction |
| |
| # RUN: ld.lld %t.o %t3btipac.o %t.so -o %t.exe |
| # RUN: llvm-readelf -n %t.exe | FileCheck --check-prefix=BTIPACPROP %s |
| # RUN: llvm-objdump -d --mattr=+v8.5a --no-show-raw-insn %t.exe | FileCheck --check-prefix BTIPACEX %s |
| # RUN: llvm-readelf --dynamic-table %t.exe | FileCheck --check-prefix BTIPACDYNEX %s |
| |
| # BTIPACEX: Disassembly of section .text: |
| # BTIPACEX: 0000000000210370 <func1>: |
| # BTIPACEX-NEXT: 210370: bl 0x2103a0 <func2@plt> |
| # BTIPACEX-NEXT: ret |
| # BTIPACEX-NEXT: ret |
| # BTIPACEX: 000000000021037c <func3>: |
| # BTIPACEX-NEXT: 21037c: ret |
| # BTIPACEX: Disassembly of section .plt: |
| # BTIPACEX: 0000000000210380 <.plt>: |
| # BTIPACEX-NEXT: 210380: bti c |
| # BTIPACEX-NEXT: stp x16, x30, [sp, #-16]! |
| # BTIPACEX-NEXT: adrp x16, 0x230000 |
| # BTIPACEX-NEXT: ldr x17, [x16, #1192] |
| # BTIPACEX-NEXT: add x16, x16, #1192 |
| # BTIPACEX-NEXT: br x17 |
| # BTIPACEX-NEXT: nop |
| # BTIPACEX-NEXT: nop |
| # BTIPACEX: 00000000002103a0 <func2@plt>: |
| # BTIPACEX-NEXT: 2103a0: adrp x16, 0x230000 |
| # BTIPACEX-NEXT: ldr x17, [x16, #1200] |
| # BTIPACEX-NEXT: add x16, x16, #1200 |
| # BTIPACEX-NEXT: br x17 |
| # BTIPACEX-NEXT: nop |
| # BTIPACEX-NEXT: nop |
| |
| # BTIPACDYNEX: 0x0000000070000001 (AARCH64_BTI_PLT) |
| # BTIPACDYNEX-NOT: 0x0000000070000003 (AARCH64_PAC_PLT) |
| |
| ## Check that combinations of BTI+PAC with 0 properties results in standard PLT |
| |
| # RUN: ld.lld %t.o %t3.o %t.so -o %t.exe |
| # RUN: llvm-objdump -d --mattr=+v8.5a --no-show-raw-insn %t.exe | FileCheck --check-prefix EX %s |
| # RUN: llvm-readelf --dynamic-table %t.exe | FileCheck --check-prefix=NODYN %s |
| |
| # EX: Disassembly of section .text: |
| # EX: 00000000002102e0 <func1>: |
| # EX-NEXT: 2102e0: bl 0x210310 <func2@plt> |
| # EX-NEXT: ret |
| # EX-NEXT: ret |
| # EX: 00000000002102ec <func3>: |
| # EX-NEXT: 2102ec: ret |
| # EX: Disassembly of section .plt: |
| # EX: 00000000002102f0 <.plt>: |
| # EX-NEXT: 2102f0: stp x16, x30, [sp, #-16]! |
| # EX-NEXT: adrp x16, 0x230000 |
| # EX-NEXT: ldr x17, [x16, #1024] |
| # EX-NEXT: add x16, x16, #1024 |
| # EX-NEXT: br x17 |
| # EX-NEXT: nop |
| # EX-NEXT: nop |
| # EX-NEXT: nop |
| # EX: 0000000000210310 <func2@plt>: |
| # EX: 210310: adrp x16, 0x230000 |
| # EX-NEXT: ldr x17, [x16, #1032] |
| # EX-NEXT: add x16, x16, #1032 |
| # EX-NEXT: br x17 |
| |
| # NODYN-NOT: 0x0000000070000001 (AARCH64_BTI_PLT) |
| # NODYN-NOT: 0x0000000070000003 (AARCH64_PAC_PLT) |
| |
| ## Check that combination of -z pac-plt and -z force-bti warns for the file that |
| ## doesn't contain the BTI property, but generates PAC and BTI PLT sequences. |
| ## The -z pac-plt doesn't warn as it is not required for correctness. |
| ## Expect: |
| ## PLT[0] bti c as first instruction |
| ## PLT[n] bti n as first instruction, autia1716 before br x17 |
| |
| # 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 |
| |
| # FORCE-WARN: aarch64-feature-btipac.s.tmp3.o: -z force-bti: file does not have GNU_PROPERTY_AARCH64_FEATURE_1_BTI property |
| |
| # RUN: llvm-readelf -n %t.exe | FileCheck --check-prefix=BTIPACPROP %s |
| # RUN: llvm-objdump -d --mattr=+v8.5a --no-show-raw-insn %t.exe | FileCheck --check-prefix BTIPACEX2 %s |
| # RUN: llvm-readelf --dynamic-table %t.exe | FileCheck --check-prefix BTIPACDYN2 %s |
| .section ".note.gnu.property", "a" |
| .long 4 |
| .long 0x10 |
| .long 0x5 |
| .asciz "GNU" |
| |
| .long 0xc0000000 // GNU_PROPERTY_AARCH64_FEATURE_1_AND |
| .long 4 |
| .long 3 // GNU_PROPERTY_AARCH64_FEATURE_1_BTI and PAC |
| .long 0 |
| |
| .text |
| .globl _start |
| .type func1,%function |
| func1: |
| bl func2 |
| ret |
| .globl func3 |
| .type func3,%function |
| ret |
| |
| # BTIPACEX2: Disassembly of section .text: |
| # BTIPACEX2: 0000000000210370 <func1>: |
| # BTIPACEX2-NEXT: 210370: bl 0x2103a0 <func2@plt> |
| # BTIPACEX2-NEXT: ret |
| # BTIPACEX2-NEXT: ret |
| # BTIPACEX2: 000000000021037c <func3>: |
| # BTIPACEX2-NEXT: 21037c: ret |
| # BTIPACEX2: Disassembly of section .plt: |
| # BTIPACEX2: 0000000000210380 <.plt>: |
| # BTIPACEX2-NEXT: 210380: bti c |
| # BTIPACEX2-NEXT: stp x16, x30, [sp, #-16]! |
| # BTIPACEX2-NEXT: adrp x16, 0x230000 |
| # BTIPACEX2-NEXT: ldr x17, [x16, #1208] |
| # BTIPACEX2-NEXT: add x16, x16, #1208 |
| # BTIPACEX2-NEXT: br x17 |
| # BTIPACEX2-NEXT: nop |
| # BTIPACEX2-NEXT: nop |
| # BTIPACEX2: 00000000002103a0 <func2@plt>: |
| # BTIPACEX2-NEXT: 2103a0: adrp x16, 0x230000 |
| # BTIPACEX2-NEXT: ldr x17, [x16, #1216] |
| # BTIPACEX2-NEXT: add x16, x16, #1216 |
| # BTIPACEX2-NEXT: autia1716 |
| # BTIPACEX2-NEXT: br x17 |
| # BTIPACEX2-NEXT: nop |
| |
| # BTIPACDYN2: 0x0000000070000001 (AARCH64_BTI_PLT) |
| # BTIPACDYN2-NEXT: 0x0000000070000003 (AARCH64_PAC_PLT) |
