Lines Matching defs:buf
20 u64 stack_size, *buf;
22 buf = malloc(STACK_SIZE);
23 if (!buf) {
33 free(buf);
40 memcpy(buf, (void *) sp, stack_size);
46 __msan_unpoison(buf, stack_size);
48 stack->data = (char *) buf;
57 u64 *buf;
59 buf = malloc(sizeof(u64) * PERF_REGS_MAX);
60 if (!buf) {
67 * Assignments to buf in the assembly function perf_regs_load aren't
71 memset(buf, 0, sizeof(u64) * PERF_REGS_MAX);
73 perf_regs_load(buf);
75 regs->regs = buf;
78 return sample_ustack(sample, thread, buf);