From 61d92d1317272c4528872b091a5308905dd00429 Mon Sep 17 00:00:00 2001 From: Sebastian Lackner Date: Sun, 8 Jul 2018 21:19:56 +0200 Subject: [PATCH] kernel32: Fill stack with meaningful values in call_process_entry mis-align workaround. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: André Hentschel Signed-off-by: Alexandre Julliard --- dlls/kernel32/process.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/dlls/kernel32/process.c b/dlls/kernel32/process.c index ff56e9a692e..7787a32d5fa 100644 --- a/dlls/kernel32/process.c +++ b/dlls/kernel32/process.c @@ -1042,7 +1042,9 @@ __ASM_GLOBAL_FUNC( call_process_entry, __ASM_CFI(".cfi_rel_offset %ebp,0\n\t") "movl %esp,%ebp\n\t" __ASM_CFI(".cfi_def_cfa_register %ebp\n\t") - "subl $12,%esp\n\t" /* deliberately mis-align the stack by 8, Doom 3 needs this */ + "pushl 4(%ebp)\n\t" /* deliberately mis-align the stack by 8, Doom 3 needs this */ + "pushl 4(%ebp)\n\t" /* Driller expects readable address at this offset */ + "pushl 4(%ebp)\n\t" "pushl 8(%ebp)\n\t" "call *12(%ebp)\n\t" "leave\n\t"