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10e48e39 | 1 | /* Implement __enable_execute_stack for Windows32. |
7adcbafe | 2 | Copyright (C) 2011-2022 Free Software Foundation, Inc. |
10e48e39 RO |
3 | |
4 | This file is part of GCC. | |
5 | ||
6 | GCC is free software; you can redistribute it and/or modify it under | |
7 | the terms of the GNU General Public License as published by the Free | |
8 | Software Foundation; either version 3, or (at your option) any later | |
9 | version. | |
10 | ||
11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 | for more details. | |
15 | ||
16 | Under Section 7 of GPL version 3, you are granted additional | |
17 | permissions described in the GCC Runtime Library Exception, version | |
18 | 3.1, as published by the Free Software Foundation. | |
19 | ||
20 | You should have received a copy of the GNU General Public License and | |
21 | a copy of the GCC Runtime Library Exception along with this program; | |
22 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | <http://www.gnu.org/licenses/>. */ | |
24 | ||
25 | #include <windows.h> | |
26 | ||
27 | extern void __enable_execute_stack (void *); | |
28 | ||
29 | void | |
30 | __enable_execute_stack (void *addr) | |
31 | { | |
32 | MEMORY_BASIC_INFORMATION b; | |
33 | ||
34 | if (!VirtualQuery (addr, &b, sizeof(b))) | |
35 | abort (); | |
36 | VirtualProtect (b.BaseAddress, b.RegionSize, PAGE_EXECUTE_READWRITE, | |
37 | &b.Protect); | |
38 | } |