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support full secure build

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daanx 2024-12-22 17:25:58 -08:00
parent 516e644359
commit 773fe7ae5b
7 changed files with 82 additions and 37 deletions
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4
src/os.c
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@ -536,8 +536,8 @@ static uint8_t* mi_os_claim_huge_pages(size_t pages, size_t* total_size) {
start = huge_start;
if (start == 0) {
// Initialize the start address after the 32TiB area
start = ((uintptr_t)32 << 40); // 32TiB virtual start address
#if (MI_SECURE>0 || MI_DEBUG==0) // security: randomize start of huge pages unless in debug mode
start = ((uintptr_t)8 << 40); // 8TiB virtual start address
#if (MI_SECURE>0 || MI_DEBUG==0) // security: randomize start of huge pages unless in debug mode
uintptr_t r = _mi_heap_random_next(mi_prim_get_default_heap());
start = start + ((uintptr_t)MI_HUGE_OS_PAGE_SIZE * ((r>>17) & 0x0FFF)); // (randomly 12bits)*1GiB == between 0 to 4TiB
#endif