diff options
| author | Michael Tuexen <tuexen@freebsd.org> | 2018-12-29 16:10:49 +0100 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2018-12-29 19:17:28 +0100 |
| commit | 8d43fb9c5ec9d2afd4605d83b57d4b5fbf313114 (patch) | |
| tree | 879a90534d5dcd1600c11243db43004cbab3e393 /executor | |
| parent | e0cd1d2e842e0574df4acaca1cab2526114b68cd (diff) | |
executor: add clarifying comment for FreeBSD.
Diffstat (limited to 'executor')
| -rw-r--r-- | executor/executor_bsd.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/executor/executor_bsd.h b/executor/executor_bsd.h index c1b5bddb6..b359d4781 100644 --- a/executor/executor_bsd.h +++ b/executor/executor_bsd.h @@ -79,7 +79,13 @@ static void cover_open(cover_t* cov) fail("ioctl init trace write failed"); #endif +#if GOOS_freebsd + // FreeBSD only supports kcov on 64-bit platforms and always uses + // entries of type uint64_t. + size_t mmap_alloc_size = kCoverSize * sizeof(uint64_t); +#else size_t mmap_alloc_size = kCoverSize * (is_kernel_64_bit ? 8 : 4); +#endif char* mmap_ptr = (char*)mmap(NULL, mmap_alloc_size, PROT_READ | PROT_WRITE, MAP_SHARED, cov->fd, 0); |