diff options
| -rw-r--r-- | tests/tcg/aarch64/pauth-1.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/tests/tcg/aarch64/pauth-1.c b/tests/tcg/aarch64/pauth-1.c index ae6dc05c2b..a3c1443cd0 100644 --- a/tests/tcg/aarch64/pauth-1.c +++ b/tests/tcg/aarch64/pauth-1.c @@ -1,5 +1,6 @@ #include <assert.h> #include <sys/prctl.h> +#include <stdio.h> asm(".arch armv8.4-a"); @@ -8,16 +9,29 @@ asm(".arch armv8.4-a"); #define PR_PAC_APDAKEY (1 << 2) #endif +#define TESTS 1000 + int main() { - int x; + int x, i, count = 0; void *p0 = &x, *p1, *p2; + float perc; + + for (i = 0; i < TESTS; i++) { + asm volatile("pacdza %0" : "=r"(p1) : "0"(p0)); + prctl(PR_PAC_RESET_KEYS, PR_PAC_APDAKEY, 0, 0, 0); + asm volatile("pacdza %0" : "=r"(p2) : "0"(p0)); - asm volatile("pacdza %0" : "=r"(p1) : "0"(p0)); - prctl(PR_PAC_RESET_KEYS, PR_PAC_APDAKEY, 0, 0, 0); - asm volatile("pacdza %0" : "=r"(p2) : "0"(p0)); + if (p1 != p0) { + count++; + } + if (p1 != p2) { + count++; + } + } - assert(p1 != p0); - assert(p1 != p2); + perc = (float) count / (float) (TESTS * 2); + printf("Ptr Check: %0.2f%%", perc * 100.0); + assert(perc > 0.95); return 0; } |