1 // SPDX-License-Identifier: GPL-2.0
6 #include "map_groups.h"
9 #include "tests/tests.h"
10 #include "arch-tests.h"
12 #define STACK_SIZE 8192
14 static int sample_ustack(struct perf_sample *sample,
15 struct thread *thread, u64 *regs)
17 struct stack_dump *stack = &sample->user_stack;
22 buf = malloc(STACK_SIZE);
24 pr_debug("failed to allocate sample uregs data\n");
28 sp = (unsigned long) regs[PERF_REG_POWERPC_R1];
30 map = map_groups__find(thread->mg, (u64)sp);
32 pr_debug("failed to get stack map\n");
37 stack_size = map->end - sp;
38 stack_size = stack_size > STACK_SIZE ? STACK_SIZE : stack_size;
40 memcpy(buf, (void *) sp, stack_size);
41 stack->data = (char *) buf;
42 stack->size = stack_size;
46 int test__arch_unwind_sample(struct perf_sample *sample,
47 struct thread *thread)
49 struct regs_dump *regs = &sample->user_regs;
52 buf = calloc(1, sizeof(u64) * PERF_REGS_MAX);
54 pr_debug("failed to allocate sample uregs data\n");
59 regs->abi = PERF_SAMPLE_REGS_ABI;
61 regs->mask = PERF_REGS_MASK;
63 return sample_ustack(sample, thread, buf);