diff options
Diffstat (limited to 'src/pkg/runtime/windows/mem.c')
| -rw-r--r-- | src/pkg/runtime/windows/mem.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/pkg/runtime/windows/mem.c b/src/pkg/runtime/windows/mem.c index 19d11ce8d..54d77da37 100644 --- a/src/pkg/runtime/windows/mem.c +++ b/src/pkg/runtime/windows/mem.c @@ -48,7 +48,14 @@ runtime·SysFree(void *v, uintptr n) void* runtime·SysReserve(void *v, uintptr n) { - return runtime·stdcall(runtime·VirtualAlloc, 4, v, n, MEM_RESERVE, 0); + // v is just a hint. + // First try at v. + v = runtime·stdcall(runtime·VirtualAlloc, 4, v, n, MEM_RESERVE, PAGE_EXECUTE_READWRITE); + if(v != nil) + return v; + + // Next let the kernel choose the address. + return runtime·stdcall(runtime·VirtualAlloc, 4, nil, n, MEM_RESERVE, PAGE_EXECUTE_READWRITE); } void |