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win: make sure not to call VirtualAlloc with null during jit alloc

This commit is contained in:
Flyinghead 2021-07-16 17:35:29 +02:00
parent e112f2d8af
commit a604a3904f
1 changed files with 2 additions and 2 deletions
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4
core/windows/win_vmem.cpp
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@ -159,12 +159,12 @@ static void* vmem_platform_prepare_jit_block_template(void *code_area, unsigned
uintptr_t try_addr_below = base_addr - i;
// We need to make sure there's no address wrap around the end of the addrspace (meaning: int overflow).
if (try_addr_above > base_addr) {
if (try_addr_above != 0 && try_addr_above > base_addr) {
void *ptr = mapper((void*)try_addr_above, size);
if (ptr)
return ptr;
}
if (try_addr_below < base_addr) {
if (try_addr_below != 0 && try_addr_below < base_addr) {
void *ptr = mapper((void*)try_addr_below, size);
if (ptr)
return ptr;