1 // SPDX-License-Identifier: GPL-2.0
9 #include "tests/tests.h"
11 #define STACK_SIZE 8192
13 static int sample_ustack(struct perf_sample *sample,
14 struct thread *thread, u64 *regs)
16 struct stack_dump *stack = &sample->user_stack;
21 buf = malloc(STACK_SIZE);
23 pr_debug("failed to allocate sample uregs data\n");
27 sp = (unsigned long) regs[PERF_REG_ARM_SP];
29 map = maps__find(thread__maps(thread), (u64)sp);
31 pr_debug("failed to get stack map\n");
36 stack_size = map__end(map) - sp;
37 stack_size = stack_size > STACK_SIZE ? STACK_SIZE : stack_size;
39 memcpy(buf, (void *) sp, stack_size);
40 stack->data = (char *) buf;
41 stack->size = stack_size;
45 int test__arch_unwind_sample(struct perf_sample *sample,
46 struct thread *thread)
48 struct regs_dump *regs = &sample->user_regs;
51 buf = calloc(1, sizeof(u64) * PERF_REGS_MAX);
53 pr_debug("failed to allocate sample uregs data\n");
58 regs->abi = PERF_SAMPLE_REGS_ABI;
60 regs->mask = PERF_REGS_MASK;
62 return sample_ustack(sample, thread, buf);