projects / librseq.git / blame
| Commit | Line | Data |
|---|---|---|
| 01bd794d MJ |
1 | // SPDX-License-Identifier: MIT |
| 2 | // SPDX-FileCopyrightText: 2024 Michael Jeanson <mjeanson@efficios.com> | |
| 3 | ||
| 4 | #ifndef _GNU_SOURCE | |
| 5 | #define _GNU_SOURCE | |
| 6 | #endif | |
| 7 | #include <stdint.h> | |
| 8 | ||
| 9 | #include <rseq/rseq.h> | |
| 10 | ||
| 11 | #include "tap.h" | |
| 12 | ||
| 13 | #define NR_TESTS 5 | |
| 14 | ||
| 15 | /* | |
| 16 | * Check the state of the public symbols when the rseq syscall is available but | |
| 17 | * no thread has registered. | |
| 18 | */ | |
| 19 | ||
| 20 | int main(void) | |
| 21 | { | |
| 22 | struct rseq_abi *rseq_abi; | |
| 23 | ||
| 24 | plan_tests(NR_TESTS); | |
| 25 | ||
| 26 | if (!rseq_available(RSEQ_AVAILABLE_QUERY_KERNEL)) { | |
| 27 | skip(NR_TESTS, "rseq syscall unavailable"); | |
| 28 | goto end; | |
| 29 | } | |
| 30 | ||
| 31 | /* The syscall is available but the current thread is not registered. */ | |
| 32 | ||
| 33 | ok(rseq_flags == 0, "rseq_flags prior to registration is 0 (%d)", rseq_flags); | |
| 34 | ok(rseq_size >= 32, "rseq_size prior to registration is 32 or greater (%d)", rseq_size); | |
| 35 | ok(rseq_feature_size >= 20, "rseq_feature_size prior to registration is 20 or greater (%d)", rseq_feature_size); | |
| 36 | ok(rseq_offset != 0, "rseq_offset prior to registration is not 0 (%td)", rseq_offset); | |
| 37 | ||
| 38 | rseq_abi = rseq_get_abi(); | |
| 39 | ok((int32_t) rseq_abi->cpu_id == RSEQ_ABI_CPU_ID_UNINITIALIZED, | |
| 40 | "rseq->cpu_id is set to RSEQ_ABI_CPU_ID_UNINITIALIZED (%d)", | |
| 41 | (int32_t) rseq_abi->cpu_id); | |
| 42 | ||
| 43 | end: | |
| 44 | exit(exit_status()); | |
| 45 | } |