diff options
Diffstat (limited to 'executor/executor_bsd.h')
| -rw-r--r-- | executor/executor_bsd.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/executor/executor_bsd.h b/executor/executor_bsd.h index a642d91e1..45d0cfe84 100644 --- a/executor/executor_bsd.h +++ b/executor/executor_bsd.h @@ -80,6 +80,25 @@ static void cover_open(cover_t* cov, bool extra) cov->data_end = cov->data + mmap_alloc_size; } +static void cover_protect(cover_t* cov) +{ +#if GOOS_freebsd + size_t mmap_alloc_size = kCoverSize * KCOV_ENTRY_SIZE; + long page_size = sysconf(_SC_PAGESIZE); + if (page_size > 0) + mprotect(cov->data + page_size, mmap_alloc_size - page_size, + PROT_READ); +#endif +} + +static void cover_unprotect(cover_t* cov) +{ +#if GOOS_freebsd + size_t mmap_alloc_size = kCoverSize * KCOV_ENTRY_SIZE; + mprotect(cov->data, mmap_alloc_size, PROT_READ | PROT_WRITE); +#endif +} + static void cover_enable(cover_t* cov, bool collect_comps, bool extra) { int kcov_mode = collect_comps ? KCOV_MODE_TRACE_CMP : KCOV_MODE_TRACE_PC; |