Lines Matching refs:poison
7 * VMX/VEC/Altivec register vr31 a known value, called poison, calling
11 * present child's poison will leak into parent's f31 or vr31 registers,
12 * otherwise, poison will never leak into parent's f31 and vr31 registers.
30 uint64_t poison = 0xdeadbeefc0dec0fe;
54 "mtvsrd 31, %[poison];" // f31 = poison
55 "mtvsrd 63, %[poison];" // vr31 = poison
57 : : [poison] "r" (poison) : );
114 * On leak 'unknown' will contain 'poison' value from child,
122 printf("Good, no poison or leaked value into FP registers\n");
162 * On leak 'unknown' will contain 'poison' value from child,
170 printf("Good, no poison or leaked value into VEC registers\n");