diff options
Diffstat (limited to 'gcc-4.9/libgcc/config/i386/enable-execute-stack-mingw32.c')
-rw-r--r-- | gcc-4.9/libgcc/config/i386/enable-execute-stack-mingw32.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/config/i386/enable-execute-stack-mingw32.c b/gcc-4.9/libgcc/config/i386/enable-execute-stack-mingw32.c new file mode 100644 index 000000000..24f06e1f3 --- /dev/null +++ b/gcc-4.9/libgcc/config/i386/enable-execute-stack-mingw32.c @@ -0,0 +1,38 @@ +/* Implement __enable_execute_stack for Windows32. + Copyright (C) 2011-2014 Free Software Foundation, Inc. + + This file is part of GCC. + + GCC is free software; you can redistribute it and/or modify it under + the terms of the GNU General Public License as published by the Free + Software Foundation; either version 3, or (at your option) any later + version. + + GCC is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + for more details. + + Under Section 7 of GPL version 3, you are granted additional + permissions described in the GCC Runtime Library Exception, version + 3.1, as published by the Free Software Foundation. + + You should have received a copy of the GNU General Public License and + a copy of the GCC Runtime Library Exception along with this program; + see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <windows.h> + +extern void __enable_execute_stack (void *); + +void +__enable_execute_stack (void *addr) +{ + MEMORY_BASIC_INFORMATION b; + + if (!VirtualQuery (addr, &b, sizeof(b))) + abort (); + VirtualProtect (b.BaseAddress, b.RegionSize, PAGE_EXECUTE_READWRITE, + &b.Protect); +} |