mirror of https://github.com/xemu-project/xemu.git
24 lines
443 B
C
24 lines
443 B
C
#include <assert.h>
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#include <sys/prctl.h>
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asm(".arch armv8.4-a");
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#ifndef PR_PAC_RESET_KEYS
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#define PR_PAC_RESET_KEYS 54
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#define PR_PAC_APDAKEY (1 << 2)
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#endif
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int main()
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{
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int x;
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void *p0 = &x, *p1, *p2;
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asm volatile("pacdza %0" : "=r"(p1) : "0"(p0));
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prctl(PR_PAC_RESET_KEYS, PR_PAC_APDAKEY, 0, 0, 0);
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asm volatile("pacdza %0" : "=r"(p2) : "0"(p0));
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assert(p1 != p0);
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assert(p1 != p2);
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return 0;
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}
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