derek.holloway
7502bf64a4
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37 lines
1.4 KiB
ArmAsm
37 lines
1.4 KiB
ArmAsm
## Test that BOLT errs when detecting the target
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## of a direct call/branch is a invalid instruction
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# REQUIRES: system-linux
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# RUN: rm -rf %t && mkdir -p %t && cd %t
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# RUN: llvm-mc -filetype=obj -triple aarch64-unknown-linux %s -o main.o
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# RUN: %clang %cflags %t/main.o -o main.exe -Wl,-q
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# RUN: llvm-bolt %t/main.exe -o %t/main.exe.bolt -lite=0 2>&1 | FileCheck %s --check-prefix=CHECK-TARGETS
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# CHECK-TARGETS: BOLT-WARNING: corrupted control flow detected in function external_corrupt: an external branch/call targets an invalid instruction in function external_func at address 0x{{[0-9a-f]+}}; ignoring both functions
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# CHECK-TARGETS: BOLT-WARNING: corrupted control flow detected in function internal_corrupt: an internal branch/call targets an invalid instruction at address 0x{{[0-9a-f]+}}; ignoring this function
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.globl internal_corrupt
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.type internal_corrupt,@function
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internal_corrupt:
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b constant_island_0 // targeting the data in code
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constant_island_0:
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.word 0xffffffff
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.size internal_corrupt,.-internal_corrupt
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.globl external_corrupt
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.type external_corrupt,@function
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external_corrupt:
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b constant_island_1 // targeting the data in code externally
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.size external_corrupt,.-external_corrupt
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.globl external_func
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.type external_func,@function
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external_func:
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add x0, x0, x1
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constant_island_1:
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.word 0xffffffff // data in code
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ret
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.size external_func,.-external_func
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