aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/libgcc/config/i386/enable-execute-stack-mingw32.c
diff options
context:
space:
mode:
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.c38
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);
+}