From: Ozkan Sezer <sezeroz@gmail.com>
Date: Thu, 19 Mar 2009 10:40:32 +0000 (+0000)
Subject: re PR target/39063 (libgcc2.c:mprotect() for mingw, incompatible pointer type warning)
X-Git-Tag: releases/gcc-4.4.0~221
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=234952b3832aa8dd302680b1b51a0645b3c2f90f;p=thirdparty%2Fgcc.git

re PR target/39063 (libgcc2.c:mprotect() for mingw, incompatible pointer type warning)

	PR target/39063
	* libgcc2.c (mprotect): Do not use signed arguments for
	VirtualProtect, use DWORD arguments.  Also fix the 'may
	be used uninitialized' warning for the np variable.

From-SVN: r144957
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9b7c4b24968f..d5ebcedfad7c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
+
+	PR target/39063
+	* libgcc2.c (mprotect): Do not use signed arguments for
+	VirtualProtect, use DWORD arguments.  Also fix the 'may
+	be used uninitialized' warning for the np variable.
+
 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/39496
diff --git a/gcc/libgcc2.c b/gcc/libgcc2.c
index 0966ac216c23..369c29f6abff 100644
--- a/gcc/libgcc2.c
+++ b/gcc/libgcc2.c
@@ -2068,7 +2068,7 @@ getpagesize (void)
 int
 mprotect (char *addr, int len, int prot)
 {
-  int np, op;
+  DWORD np, op;
 
   if (prot == 7)
     np = 0x40;
@@ -2082,6 +2082,8 @@ mprotect (char *addr, int len, int prot)
     np = 0x02;
   else if (prot == 0)
     np = 0x01;
+  else
+    return -1;
 
   if (VirtualProtect (addr, len, np, &op))
     return 0;