forked from OSchip/llvm-project
174 lines
7.5 KiB
ArmAsm
174 lines
7.5 KiB
ArmAsm
# REQUIRES: aarch64
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# RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %s -o %t.o
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# RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %p/Inputs/aarch64-btipac1.s -o %t1.o
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# RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %p/Inputs/aarch64-func3.s -o %t3.o
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# RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu %p/Inputs/aarch64-func3-btipac.s -o %t3btipac.o
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## Build shared library with all inputs having BTI and PAC, expect PLT
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## entries supporting both PAC and BTI. For a shared library this means:
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## PLT[0] has bti c at start
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## PLT[n] has autia1716 before br x17
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# RUN: ld.lld %t1.o %t3btipac.o --shared --soname=t.so -o %t.so
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# RUN: llvm-readelf -n %t.so | FileCheck --check-prefix BTIPACPROP %s
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# RUN: llvm-objdump -d --mattr=+v8.5a --no-show-raw-insn %t.so | FileCheck --check-prefix BTIPACSO %s
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# RUN: llvm-readelf --dynamic-table %t.so | FileCheck --check-prefix BTIPACDYN %s
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# BTIPACSO: Disassembly of section .text:
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# BTIPACSO: 0000000000010348 <func2>:
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# BTIPACSO-NEXT: 10348: bl 0x10380 <func3@plt>
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# BTIPACSO-NEXT: ret
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# BTIPACSO: 0000000000010350 <func3>:
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# BTIPACSO-NEXT: 10350: ret
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# BTIPACSO: Disassembly of section .plt:
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# BTIPACSO: 0000000000010360 <.plt>:
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# BTIPACSO-NEXT: 10360: bti c
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# BTIPACSO-NEXT: stp x16, x30, [sp, #-16]!
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# BTIPACSO-NEXT: adrp x16, 0x30000
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# BTIPACSO-NEXT: ldr x17, [x16, #1136]
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# BTIPACSO-NEXT: add x16, x16, #1136
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# BTIPACSO-NEXT: br x17
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# BTIPACSO-NEXT: nop
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# BTIPACSO-NEXT: nop
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# BTIPACSO: 0000000000010380 <func3@plt>:
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# BTIPACSO-NEXT: 10380: adrp x16, 0x30000
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# BTIPACSO-NEXT: ldr x17, [x16, #1144]
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# BTIPACSO-NEXT: add x16, x16, #1144
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# BTIPACSO-NEXT: br x17
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# BTIPACPROP: Properties: aarch64 feature: BTI, PAC
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# BTIPACDYN: 0x0000000070000001 (AARCH64_BTI_PLT)
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# BTIPACDYN-NOT: 0x0000000070000003 (AARCH64_PAC_PLT)
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## Make an executable with both BTI and PAC properties. Expect:
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## PLT[0] bti c as first instruction
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## PLT[n] bti n as first instruction
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# RUN: ld.lld %t.o %t3btipac.o %t.so -o %t.exe
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# RUN: llvm-readelf -n %t.exe | FileCheck --check-prefix=BTIPACPROP %s
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# RUN: llvm-objdump -d --mattr=+v8.5a --no-show-raw-insn %t.exe | FileCheck --check-prefix BTIPACEX %s
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# RUN: llvm-readelf --dynamic-table %t.exe | FileCheck --check-prefix BTIPACDYNEX %s
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# BTIPACEX: Disassembly of section .text:
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# BTIPACEX: 0000000000210370 <func1>:
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# BTIPACEX-NEXT: 210370: bl 0x2103a0 <func2@plt>
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# BTIPACEX-NEXT: ret
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# BTIPACEX-NEXT: ret
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# BTIPACEX: 000000000021037c <func3>:
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# BTIPACEX-NEXT: 21037c: ret
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# BTIPACEX: Disassembly of section .plt:
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# BTIPACEX: 0000000000210380 <.plt>:
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# BTIPACEX-NEXT: 210380: bti c
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# BTIPACEX-NEXT: stp x16, x30, [sp, #-16]!
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# BTIPACEX-NEXT: adrp x16, 0x230000
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# BTIPACEX-NEXT: ldr x17, [x16, #1192]
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# BTIPACEX-NEXT: add x16, x16, #1192
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# BTIPACEX-NEXT: br x17
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# BTIPACEX-NEXT: nop
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# BTIPACEX-NEXT: nop
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# BTIPACEX: 00000000002103a0 <func2@plt>:
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# BTIPACEX-NEXT: 2103a0: bti c
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# BTIPACEX-NEXT: adrp x16, 0x230000
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# BTIPACEX-NEXT: ldr x17, [x16, #1200]
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# BTIPACEX-NEXT: add x16, x16, #1200
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# BTIPACEX-NEXT: br x17
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# BTIPACDYNEX: 0x0000000070000001 (AARCH64_BTI_PLT)
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# BTIPACDYNEX-NOT: 0x0000000070000003 (AARCH64_PAC_PLT)
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## Check that combinations of BTI+PAC with 0 properties results in standard PLT
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# RUN: ld.lld %t.o %t3.o %t.so -o %t.exe
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# RUN: llvm-objdump -d --mattr=+v8.5a --no-show-raw-insn %t.exe | FileCheck --check-prefix EX %s
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# RUN: llvm-readelf --dynamic-table %t.exe | FileCheck --check-prefix=NODYN %s
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# EX: Disassembly of section .text:
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# EX: 00000000002102e0 <func1>:
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# EX-NEXT: 2102e0: bl 0x210310 <func2@plt>
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# EX-NEXT: ret
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# EX-NEXT: ret
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# EX: 00000000002102ec <func3>:
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# EX-NEXT: 2102ec: ret
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# EX: Disassembly of section .plt:
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# EX: 00000000002102f0 <.plt>:
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# EX-NEXT: 2102f0: stp x16, x30, [sp, #-16]!
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# EX-NEXT: adrp x16, 0x230000
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# EX-NEXT: ldr x17, [x16, #1024]
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# EX-NEXT: add x16, x16, #1024
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# EX-NEXT: br x17
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# EX-NEXT: nop
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# EX-NEXT: nop
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# EX-NEXT: nop
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# EX: 0000000000210310 <func2@plt>:
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# EX: 210310: adrp x16, 0x230000
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# EX-NEXT: ldr x17, [x16, #1032]
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# EX-NEXT: add x16, x16, #1032
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# EX-NEXT: br x17
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# NODYN-NOT: 0x0000000070000001 (AARCH64_BTI_PLT)
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# NODYN-NOT: 0x0000000070000003 (AARCH64_PAC_PLT)
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## Check that combination of -z pac-plt and -z force-bti warns for the file that
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## doesn't contain the BTI property, but generates PAC and BTI PLT sequences.
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## The -z pac-plt doesn't warn as it is not required for correctness.
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## Expect:
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## PLT[0] bti c as first instruction
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## PLT[n] bti n as first instruction, autia1716 before br x17
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# 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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# 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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# RUN: llvm-readelf -n %t.exe | FileCheck --check-prefix=BTIPACPROP %s
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# RUN: llvm-objdump -d --mattr=+v8.5a --no-show-raw-insn %t.exe | FileCheck --check-prefix BTIPACEX2 %s
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# RUN: llvm-readelf --dynamic-table %t.exe | FileCheck --check-prefix BTIPACDYN2 %s
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.section ".note.gnu.property", "a"
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.long 4
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.long 0x10
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.long 0x5
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.asciz "GNU"
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.long 0xc0000000 // GNU_PROPERTY_AARCH64_FEATURE_1_AND
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.long 4
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.long 3 // GNU_PROPERTY_AARCH64_FEATURE_1_BTI and PAC
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.long 0
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.text
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.globl _start
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.type func1,%function
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func1:
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bl func2
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ret
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.globl func3
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.type func3,%function
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ret
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# BTIPACEX2: Disassembly of section .text:
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# BTIPACEX2: 0000000000210370 <func1>:
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# BTIPACEX2-NEXT: 210370: bl 0x2103a0 <func2@plt>
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# BTIPACEX2-NEXT: ret
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# BTIPACEX2-NEXT: ret
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# BTIPACEX2: 000000000021037c <func3>:
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# BTIPACEX2-NEXT: 21037c: ret
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# BTIPACEX2: Disassembly of section .plt:
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# BTIPACEX2: 0000000000210380 <.plt>:
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# BTIPACEX2-NEXT: 210380: bti c
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# BTIPACEX2-NEXT: stp x16, x30, [sp, #-16]!
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# BTIPACEX2-NEXT: adrp x16, 0x230000
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# BTIPACEX2-NEXT: ldr x17, [x16, #1208]
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# BTIPACEX2-NEXT: add x16, x16, #1208
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# BTIPACEX2-NEXT: br x17
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# BTIPACEX2-NEXT: nop
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# BTIPACEX2-NEXT: nop
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# BTIPACEX2: 00000000002103a0 <func2@plt>:
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# BTIPACEX2-NEXT: 2103a0: bti c
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# BTIPACEX2-NEXT: adrp x16, 0x230000
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# BTIPACEX2-NEXT: ldr x17, [x16, #1216]
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# BTIPACEX2-NEXT: add x16, x16, #1216
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# BTIPACEX2-NEXT: autia1716
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# BTIPACEX2-NEXT: br x17
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# BTIPACDYN2: 0x0000000070000001 (AARCH64_BTI_PLT)
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# BTIPACDYN2-NEXT: 0x0000000070000003 (AARCH64_PAC_PLT)
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