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add address hint to primitive allocation API

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daanx 2024-11-16 16:57:37 -08:00
parent b27d154ffd
commit 0e76fe3798
8 changed files with 29 additions and 23 deletions
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22
src/prim/windows/prim.c
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@ -123,7 +123,7 @@ void _mi_prim_mem_init( mi_os_mem_config_t* config )
const size_t vbits = MI_INTPTR_BITS - mi_clz((uintptr_t)si.lpMaximumApplicationAddress);
config->virtual_address_bits = vbits;
}
// get physical memory
// get physical memory
ULONGLONG memInKiB = 0;
if (GetPhysicallyInstalledSystemMemory(&memInKiB)) {
if (memInKiB > 0 && memInKiB < (SIZE_MAX / MI_KiB)) {
@ -203,7 +203,7 @@ static void* win_virtual_alloc_prim_once(void* addr, size_t size, size_t try_ali
}
#endif
// on modern Windows try use VirtualAlloc2 for aligned allocation
if (try_alignment > 1 && (try_alignment % _mi_os_page_size()) == 0 && pVirtualAlloc2 != NULL) {
if (addr == NULL && try_alignment > 1 && (try_alignment % _mi_os_page_size()) == 0 && pVirtualAlloc2 != NULL) {
MI_MEM_ADDRESS_REQUIREMENTS reqs = { 0, 0, 0 };
reqs.Alignment = try_alignment;
MI_MEM_EXTENDED_PARAMETER param = { {0, 0}, {0} };
@ -291,14 +291,14 @@ static void* win_virtual_alloc(void* addr, size_t size, size_t try_alignment, DW
return p;
}
int _mi_prim_alloc(size_t size, size_t try_alignment, bool commit, bool allow_large, bool* is_large, bool* is_zero, void** addr) {
int _mi_prim_alloc(void* hint_addr, size_t size, size_t try_alignment, bool commit, bool allow_large, bool* is_large, bool* is_zero, void** addr) {
mi_assert_internal(size > 0 && (size % _mi_os_page_size()) == 0);
mi_assert_internal(commit || !allow_large);
mi_assert_internal(try_alignment > 0);
*is_zero = true;
int flags = MEM_RESERVE;
if (commit) { flags |= MEM_COMMIT; }
*addr = win_virtual_alloc(NULL, size, try_alignment, flags, false, allow_large, is_large);
*addr = win_virtual_alloc(hint_addr, size, try_alignment, flags, false, allow_large, is_large);
return (*addr != NULL ? 0 : (int)GetLastError());
}
@ -629,8 +629,8 @@ static void NTAPI mi_win_main(PVOID module, DWORD reason, LPVOID reserved) {
_mi_process_done();
}
else if (reason==DLL_THREAD_DETACH && !_mi_is_redirected()) {
_mi_thread_done(NULL);
}
_mi_thread_done(NULL);
}
}
@ -693,7 +693,7 @@ static void NTAPI mi_win_main(PVOID module, DWORD reason, LPVOID reserved) {
#pragma data_seg()
#pragma data_seg(".CRT$XLY")
PIMAGE_TLS_CALLBACK _mi_tls_callback_post[] = { &mi_win_main_detach };
#pragma data_seg()
#pragma data_seg()
#endif
#if defined(__cplusplus)
@ -707,13 +707,13 @@ static void NTAPI mi_win_main(PVOID module, DWORD reason, LPVOID reserved) {
MI_UNUSED(heap);
}
#else // deprecated: statically linked, use fiber api
#else // deprecated: statically linked, use fiber api
#if defined(_MSC_VER) // on clang/gcc use the constructor attribute (in `src/prim/prim.c`)
// MSVC: use data section magic for static libraries
// See <https://www.codeguru.com/cpp/misc/misc/applicationcontrol/article.php/c6945/Running-Code-Before-and-After-Main.htm>
#define MI_PRIM_HAS_PROCESS_ATTACH 1
static int mi_process_attach(void) {
mi_win_main(NULL,DLL_PROCESS_ATTACH,NULL);
atexit(&_mi_process_done);
@ -766,9 +766,9 @@ static void NTAPI mi_win_main(PVOID module, DWORD reason, LPVOID reserved) {
}
#endif
// ----------------------------------------------------
// ----------------------------------------------------
// Communicate with the redirection module on Windows
// ----------------------------------------------------
// ----------------------------------------------------
#if defined(MI_SHARED_LIB) && !defined(MI_WIN_NOREDIRECT)
#define MI_PRIM_HAS_ALLOCATOR_INIT 1