From 2481581938caf0b3139eb0f024522182a31c66b0 Mon Sep 17 00:00:00 2001
From: Alexandre Julliard <julliard@winehq.org>
Date: Fri, 10 May 2002 01:46:15 +0000
Subject: [PATCH] Build an explicit argument structure for mmap instead of
 relying on the stack layout.

---
 memory/virtual.c | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/memory/virtual.c b/memory/virtual.c
index 1ecbfb603ef..d41c24ad42f 100644
--- a/memory/virtual.c
+++ b/memory/virtual.c
@@ -753,13 +753,31 @@ static void *unaligned_mmap( void *addr, size_t length, unsigned int prot,
     if (!offset_high && (offset_low & page_mask))
     {
         int ret;
+
+        struct
+        {
+            void        *addr;
+            unsigned int length;
+            unsigned int prot;
+            unsigned int flags;
+            unsigned int fd;
+            unsigned int offset;
+        } args;
+
+        args.addr   = addr;
+        args.length = length;
+        args.prot   = prot;
+        args.flags  = flags;
+        args.fd     = fd;
+        args.offset = offset_low;
+
         __asm__ __volatile__("push %%ebx\n\t"
                              "movl %2,%%ebx\n\t"
                              "int $0x80\n\t"
                              "popl %%ebx"
                              : "=a" (ret)
                              : "0" (90), /* SYS_mmap */
-                               "g" (&addr) );
+                               "g" (&args) );
         if (ret < 0 && ret > -4096)
         {
             errno = -ret;