derek.holloway
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79 lines
2.1 KiB
ArmAsm
79 lines
2.1 KiB
ArmAsm
# This test checks that PointerAuthCFIAnalyzer pass ignores functions with
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# malformed .cfi_negate_ra_state sequences in the input binary.
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# The cases checked are:
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# - extra .cfi_negate_ra_state in Signed state: checked in foo,
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# - extra .cfi_negate_ra_state in Unsigned state: checked in bar,
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# - missing .cfi_negate_ra_state from PSign or PAuth instructions: checked in baz.
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# RUN: llvm-mc -filetype=obj -triple aarch64-unknown-unknown %s -o %t.o
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# RUN: %clang %cflags %t.o -o %t.exe -Wl,-q
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# RUN: llvm-bolt %t.exe -o %t.exe.bolt -v=1 --no-threads | FileCheck %s --check-prefix=CHECK-BOLT
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# CHECK-BOLT: BOLT-INFO: inconsistent RAStates in function foo: ptr authenticating inst encountered in Unsigned RA state
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# CHECK-BOLT: BOLT-INFO: inconsistent RAStates in function bar: ptr signing inst encountered in Signed RA state
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# CHECK-BOLT: BOLT-INFO: inconsistent RAStates in function baz: ptr sign/auth inst without .cfi_negate_ra_state
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# Check that the incorrect functions got ignored, so they are not in the new .text section
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# RUN: llvm-objdump %t.exe.bolt -d -j .text | FileCheck %s --check-prefix=CHECK-OBJDUMP
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# CHECK-OBJDUMP-NOT: <foo>:
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# CHECK-OBJDUMP-NOT: <bar>:
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# CHECK-OBJDUMP-NOT: <baz>:
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.text
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.globl foo
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.p2align 2
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.type foo,@function
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foo:
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.cfi_startproc
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hint #25
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.cfi_negate_ra_state
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mov x1, #0
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.cfi_negate_ra_state // Incorrect CFI in signed state
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hint #29
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.cfi_negate_ra_state
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ret
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.cfi_endproc
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.size foo, .-foo
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.text
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.globl bar
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.p2align 2
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.type bar,@function
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bar:
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.cfi_startproc
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mov x1, #0
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.cfi_negate_ra_state // Incorrect CFI in unsigned state
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hint #25
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.cfi_negate_ra_state
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mov x1, #0
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hint #29
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.cfi_negate_ra_state
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ret
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.cfi_endproc
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.size bar, .-bar
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.text
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.globl baz
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.p2align 2
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.type baz,@function
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baz:
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.cfi_startproc
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mov x1, #0
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hint #25
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.cfi_negate_ra_state
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mov x1, #0
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hint #29
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// Missing .cfi_negate_ra_state
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ret
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.cfi_endproc
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.size baz, .-baz
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.global _start
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.type _start, %function
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_start:
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b foo
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b bar
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b baz
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