Alexandre Julliard : kernel32: Add support for starting binaries in 32/ 64-bit mode from the other mode.
Alexandre Julliard
julliard at winehq.org
Tue Mar 30 10:39:43 CDT 2010
Module: wine
Branch: master
Commit: 808c29b908db64723ff37147b0a5dea5c95988ac
URL: http://source.winehq.org/git/wine.git/?a=commit;h=808c29b908db64723ff37147b0a5dea5c95988ac
Author: Alexandre Julliard <julliard at winehq.org>
Date: Mon Mar 29 17:57:02 2010 +0200
kernel32: Add support for starting binaries in 32/64-bit mode from the other mode.
---
dlls/kernel32/process.c | 62 ++++++++++++++++++++++++++++++++++++++++++----
1 files changed, 56 insertions(+), 6 deletions(-)
diff --git a/dlls/kernel32/process.c b/dlls/kernel32/process.c
index 30e7ca4..0a404bc 100644
--- a/dlls/kernel32/process.c
+++ b/dlls/kernel32/process.c
@@ -75,6 +75,7 @@ static UINT process_error_mode;
static DWORD shutdown_flags = 0;
static DWORD shutdown_priority = 0x280;
static BOOL is_wow64;
+static const int is_win64 = (sizeof(void *) > sizeof(int));
HMODULE kernel32_handle = 0;
@@ -868,9 +869,7 @@ static void init_windows_dirs(void)
ERR( "directory %s could not be created, error %u\n",
debugstr_w(DIR_System), GetLastError() );
-#ifndef _WIN64 /* SysWow64 is always defined on 64-bit */
- if (is_wow64)
-#endif
+ if (is_win64 || is_wow64) /* SysWow64 is always defined on 64-bit */
{
len = strlenW( DIR_Windows );
buffer = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) + sizeof(default_syswow64W) );
@@ -1581,6 +1580,49 @@ done:
return info;
}
+/***********************************************************************
+ * get_alternate_loader
+ *
+ * Get the name of the alternate (32 or 64 bit) Wine loader.
+ */
+static const char *get_alternate_loader( char **ret_env )
+{
+ char *env;
+ const char *loader = NULL;
+ const char *loader_env = getenv( "WINELOADER" );
+
+ *ret_env = NULL;
+
+ if (wine_get_build_dir()) loader = is_win64 ? "loader/wine32" : "server/../loader/wine";
+
+ if (loader_env)
+ {
+ int len = strlen( loader_env );
+ if (is_win64)
+ {
+ if (!(env = HeapAlloc( GetProcessHeap(), 0, sizeof("WINELOADER=") + len + 2 ))) return NULL;
+ strcpy( env, "WINELOADER=" );
+ strcat( env, loader_env );
+ strcat( env, "32" );
+ }
+ else
+ {
+ if (!(env = HeapAlloc( GetProcessHeap(), 0, sizeof("WINELOADER=") + len ))) return NULL;
+ strcpy( env, "WINELOADER=" );
+ strcat( env, loader_env );
+ len += sizeof("WINELOADER=") - 1;
+ if (!strcmp( env + len - 2, "32" )) env[len - 2] = 0;
+ }
+ if (!loader)
+ {
+ if ((loader = strrchr( env, '/' ))) loader++;
+ else loader = env;
+ }
+ }
+ if (!loader) loader = is_win64 ? "wine32" : "wine";
+ *ret_env = env;
+ return loader;
+}
/***********************************************************************
* create_process
@@ -1598,6 +1640,8 @@ static BOOL create_process( HANDLE hFile, LPCWSTR filename, LPWSTR cmd_line, LPW
HANDLE process_info;
WCHAR *env_end;
char *winedebug = NULL;
+ char *wineloader = NULL;
+ const char *loader = NULL;
char **argv;
startup_info_t *startup_info;
DWORD startup_info_size;
@@ -1605,7 +1649,7 @@ static BOOL create_process( HANDLE hFile, LPCWSTR filename, LPWSTR cmd_line, LPW
pid_t pid;
int err;
- if (sizeof(void *) == sizeof(int) && !is_wow64 && (binary_info->flags & BINARY_FLAG_64BIT))
+ if (!is_win64 && !is_wow64 && (binary_info->flags & BINARY_FLAG_64BIT))
{
ERR( "starting 64-bit process %s not supported on this platform\n", debugstr_w(filename) );
SetLastError( ERROR_BAD_EXE_FORMAT );
@@ -1698,6 +1742,9 @@ static BOOL create_process( HANDLE hFile, LPCWSTR filename, LPWSTR cmd_line, LPW
/* create the child process */
argv = build_argv( cmd_line, 1 );
+ if (!is_win64 ^ !(binary_info->flags & BINARY_FLAG_64BIT))
+ loader = get_alternate_loader( &wineloader );
+
if (exec_only || !(pid = fork())) /* child */
{
char preloader_reserve[64], socket_env[64];
@@ -1738,9 +1785,10 @@ static BOOL create_process( HANDLE hFile, LPCWSTR filename, LPWSTR cmd_line, LPW
putenv( preloader_reserve );
putenv( socket_env );
if (winedebug) putenv( winedebug );
+ if (wineloader) putenv( wineloader );
if (unixdir) chdir(unixdir);
- if (argv) wine_exec_wine_binary( NULL, argv, getenv("WINELOADER") );
+ if (argv) wine_exec_wine_binary( loader, argv, getenv("WINELOADER") );
_exit(1);
}
@@ -1751,6 +1799,7 @@ static BOOL create_process( HANDLE hFile, LPCWSTR filename, LPWSTR cmd_line, LPW
close( socketfd[0] );
HeapFree( GetProcessHeap(), 0, argv );
HeapFree( GetProcessHeap(), 0, winedebug );
+ HeapFree( GetProcessHeap(), 0, wineloader );
if (pid == -1)
{
FILE_SetDosError();
@@ -2072,7 +2121,8 @@ BOOL WINAPI DECLSPEC_HOTPATCH CreateProcessW( LPCWSTR app_name, LPWSTR cmd_line,
inherit, flags, startup_info, info, unixdir, &binary_info, FALSE );
break;
case BINARY_UNIX_LIB:
- TRACE( "starting %s as Winelib app\n", debugstr_w(name) );
+ TRACE( "starting %s as %d-bit Winelib app\n",
+ debugstr_w(name), (binary_info.flags & BINARY_FLAG_64BIT) ? 64 : 32 );
retv = create_process( hFile, name, tidy_cmdline, envW, cur_dir, process_attr, thread_attr,
inherit, flags, startup_info, info, unixdir, &binary_info, FALSE );
break;
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