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kernel32: Determine 32/64-bitness from the PE architecture. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
oldstable
Alexandre Julliard 2018-09-27 14:23:52 +02:00
parent 9d3a5a969c
commit da40de3ced
1 changed files with 18 additions and 18 deletions
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36
dlls/kernel32/process.c
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@ -123,12 +123,9 @@ enum binary_type
BINARY_UNIX_LIB
};
#define BINARY_FLAG_64BIT 0x02
struct binary_info
{
enum binary_type type;
DWORD flags;
pe_image_info_t pe;
};
@ -173,6 +170,15 @@ static inline unsigned int is_path_prefix( const WCHAR *prefix, const WCHAR *fil
}
/***********************************************************************
* is_64bit_arch
*/
static inline BOOL is_64bit_arch( WORD machine )
{
return (machine == IMAGE_FILE_MACHINE_AMD64 || machine == IMAGE_FILE_MACHINE_ARM64);
}
/***********************************************************************
* get_pe_info
*/
@ -251,15 +257,12 @@ static void get_binary_info( HANDLE hfile, struct binary_info *info )
{
case STATUS_SUCCESS:
info->type = BINARY_PE;
if (info->pe.machine == IMAGE_FILE_MACHINE_AMD64 || info->pe.machine == IMAGE_FILE_MACHINE_ARM64)
info->flags |= BINARY_FLAG_64BIT;
return;
case STATUS_INVALID_IMAGE_WIN_32:
info->type = BINARY_PE;
return;
case STATUS_INVALID_IMAGE_WIN_64:
info->type = BINARY_PE;
info->flags |= BINARY_FLAG_64BIT;
return;
case STATUS_INVALID_IMAGE_WIN_16:
case STATUS_INVALID_IMAGE_NE_FORMAT:
@ -279,7 +282,6 @@ static void get_binary_info( HANDLE hfile, struct binary_info *info )
#else
BOOL byteswap = (header.elf.data == 2);
#endif
if (header.elf.class == 2) info->flags |= BINARY_FLAG_64BIT;
if (byteswap)
{
header.elf.type = RtlUshortByteSwap( header.elf.type );
@ -337,7 +339,6 @@ static void get_binary_info( HANDLE hfile, struct binary_info *info )
else if (header.macho.magic == 0xfeedface || header.macho.magic == 0xcefaedfe ||
header.macho.magic == 0xfeedfacf || header.macho.magic == 0xcffaedfe)
{
if ((header.macho.cputype >> 24) == 1) info->flags |= BINARY_FLAG_64BIT;
if (header.macho.magic == 0xcefaedfe || header.macho.magic == 0xcffaedfe)
{
header.macho.filetype = RtlUlongByteSwap( header.macho.filetype );
@ -371,7 +372,7 @@ static BOOL get_builtin_path( const WCHAR *libname, const WCHAR *ext, WCHAR *fil
WCHAR *file_part;
UINT len;
void *redir_disabled = 0;
unsigned int flags = (sizeof(void*) > sizeof(int) ? BINARY_FLAG_64BIT : 0);
BOOL is_64bit = (sizeof(void*) > sizeof(int));
/* builtin names cannot be empty or contain spaces */
if (!libname[0] || strchrW( libname, ' ' ) || strchrW( libname, '\t' )) return FALSE;
@ -387,11 +388,11 @@ static BOOL get_builtin_path( const WCHAR *libname, const WCHAR *ext, WCHAR *fil
if ((len = is_path_prefix( DIR_System, filename )))
{
if (is_wow64 && redir_disabled) flags = BINARY_FLAG_64BIT;
if (is_wow64 && redir_disabled) is_64bit = TRUE;
}
else if (DIR_SysWow64 && (len = is_path_prefix( DIR_SysWow64, filename )))
{
flags = 0;
is_64bit = FALSE;
}
else return FALSE;
@ -405,7 +406,7 @@ static BOOL get_builtin_path( const WCHAR *libname, const WCHAR *ext, WCHAR *fil
file_part = filename + len;
if (file_part > filename && file_part[-1] != '\\') *file_part++ = '\\';
strcpyW( file_part, libname );
if (is_wow64 && redir_disabled) flags = BINARY_FLAG_64BIT;
if (is_wow64 && redir_disabled) is_64bit = TRUE;
}
if (ext && !strchrW( file_part, '.' ))
{
@ -415,10 +416,9 @@ static BOOL get_builtin_path( const WCHAR *libname, const WCHAR *ext, WCHAR *fil
}
memset( binary_info, 0, sizeof(*binary_info) );
binary_info->type = BINARY_UNIX_LIB;
binary_info->flags = flags;
/* assume current arch */
#if defined(__i386__) || defined(__x86_64__)
binary_info->pe.machine = (flags & BINARY_FLAG_64BIT) ? IMAGE_FILE_MACHINE_AMD64 : IMAGE_FILE_MACHINE_I386;
binary_info->pe.machine = is_64bit ? IMAGE_FILE_MACHINE_AMD64 : IMAGE_FILE_MACHINE_I386;
#elif defined(__powerpc__)
binary_info->pe.machine = IMAGE_FILE_MACHINE_POWERPC;
#elif defined(__arm__) && !defined(__ARMEB__)
@ -2078,7 +2078,7 @@ static pid_t exec_loader( LPCWSTR cmd_line, unsigned int flags, int socketfd,
argv = build_argv( cmd_line, 1 );
if (!is_win64 ^ !(binary_info->flags & BINARY_FLAG_64BIT))
if (!is_win64 ^ !is_64bit_arch( binary_info->pe.machine ))
loader = get_alternate_loader( &wineloader );
if (exec_only || !(pid = fork())) /* child */
@ -2678,7 +2678,7 @@ static BOOL create_process_impl( LPCWSTR app_name, LPWSTR cmd_line, LPSECURITY_A
{
case BINARY_PE:
TRACE( "starting %s as Win%d binary (%s-%s, arch %04x)\n",
debugstr_w(name), (binary_info.flags & BINARY_FLAG_64BIT) ? 64 : 32,
debugstr_w(name), is_64bit_arch(binary_info.pe.machine) ? 64 : 32,
wine_dbgstr_longlong(binary_info.pe.base),
wine_dbgstr_longlong(binary_info.pe.base + binary_info.pe.map_size),
binary_info.pe.machine );
@ -2692,7 +2692,7 @@ static BOOL create_process_impl( LPCWSTR app_name, LPWSTR cmd_line, LPSECURITY_A
break;
case BINARY_UNIX_LIB:
TRACE( "starting %s as %d-bit Winelib app\n",
debugstr_w(name), (binary_info.flags & BINARY_FLAG_64BIT) ? 64 : 32 );
debugstr_w(name), is_64bit_arch(binary_info.pe.machine) ? 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;
@ -2830,7 +2830,7 @@ static void exec_process( LPCWSTR name )
{
case BINARY_PE:
TRACE( "starting %s as Win%d binary (%s-%s, arch %04x)\n",
debugstr_w(name), (binary_info.flags & BINARY_FLAG_64BIT) ? 64 : 32,
debugstr_w(name), is_64bit_arch(binary_info.pe.machine) ? 64 : 32,
wine_dbgstr_longlong(binary_info.pe.base),
wine_dbgstr_longlong(binary_info.pe.base + binary_info.pe.map_size),
binary_info.pe.machine );