diff options
Diffstat (limited to 'rts/linker/M32Alloc.c')
| -rw-r--r-- | rts/linker/M32Alloc.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/rts/linker/M32Alloc.c b/rts/linker/M32Alloc.c index 1a19df8471..ca5af8312c 100644 --- a/rts/linker/M32Alloc.c +++ b/rts/linker/M32Alloc.c @@ -256,7 +256,7 @@ m32_alloc_page(void) m32_free_page_pool_size --; return page; } else { - struct m32_page_t *page = mmapForLinker(getPageSize(),MAP_ANONYMOUS,-1,0); + struct m32_page_t *page = mmapForLinker(getPageSize(), PROT_READ | PROT_WRITE, MAP_ANONYMOUS, -1, 0); if (page > (struct m32_page_t *) 0xffffffff) { barf("m32_alloc_page: failed to get allocation in lower 32-bits"); } @@ -280,7 +280,7 @@ m32_allocator_new(bool executable) // Preallocate the initial M32_MAX_PAGES to ensure that they don't // fragment the memory. size_t pgsz = getPageSize(); - char* bigchunk = mmapForLinker(pgsz * M32_MAX_PAGES,MAP_ANONYMOUS,-1,0); + char* bigchunk = mmapForLinker(pgsz * M32_MAX_PAGES, PROT_READ | PROT_WRITE, MAP_ANONYMOUS,-1,0); if (bigchunk == NULL) barf("m32_allocator_init: Failed to map"); @@ -396,7 +396,7 @@ m32_alloc(struct m32_allocator_t *alloc, size_t size, size_t alignment) if (m32_is_large_object(size,alignment)) { // large object size_t alsize = ROUND_UP(sizeof(struct m32_page_t), alignment); - struct m32_page_t *page = mmapForLinker(alsize+size,MAP_ANONYMOUS,-1,0); + struct m32_page_t *page = mmapForLinker(alsize+size, PROT_READ | PROT_WRITE, MAP_ANONYMOUS,-1,0); page->filled_page.size = alsize + size; m32_allocator_push_filled_list(&alloc->unprotected_list, (struct m32_page_t *) page); return (char*) page + alsize; |