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17 lines
323 B
ArmAsm
17 lines
323 B
ArmAsm
/* https://cirosantilli.com/linux-kernel-module-cheat#x86-exchange-instructions */
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#include <lkmc.h>
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LKMC_PROLOGUE
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mov $0, %rax
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mov $1, %rbx
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xchg %rbx, %rax
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LKMC_ASSERT_EQ(%rax, $1)
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LKMC_ASSERT_EQ(%rbx, $0)
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xchg %rbx, %rax
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LKMC_ASSERT_EQ(%rax, $0)
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LKMC_ASSERT_EQ(%rbx, $1)
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LKMC_EPILOGUE
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