mirror of
git://source.winehq.org/git/wine.git
synced 2024-11-01 02:46:32 +00:00
1695 lines
55 KiB
C
1695 lines
55 KiB
C
/*
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* DLL imports support
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*
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* Copyright 2000, 2004 Alexandre Julliard
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* Copyright 2000 Eric Pouech
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <assert.h>
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#include <ctype.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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#include "wine/list.h"
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#include "build.h"
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/* standard C functions that are also exported from ntdll */
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static const char *stdc_names[] =
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{
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"abs",
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"atan",
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"atoi",
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"atol",
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"bsearch",
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"ceil",
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"cos",
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"fabs",
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"floor",
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"isalnum",
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"isalpha",
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"iscntrl",
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"isdigit",
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"isgraph",
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"islower",
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"isprint",
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"ispunct",
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"isspace",
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"isupper",
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"iswalpha",
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"iswctype",
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"iswdigit",
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"iswlower",
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"iswspace",
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"iswxdigit",
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"isxdigit",
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"labs",
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"log",
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"mbstowcs",
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"memchr",
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"memcmp",
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"memcpy",
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"memmove",
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"memset",
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"pow",
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"qsort",
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"sin",
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"sprintf",
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"sqrt",
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"sscanf",
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"strcat",
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"strchr",
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"strcmp",
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"strcpy",
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"strcspn",
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"strlen",
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"strncat",
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"strncmp",
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"strncpy",
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"strnlen",
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"strpbrk",
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"strrchr",
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"strspn",
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"strstr",
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"strtol",
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"strtoul",
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"swprintf",
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"tan",
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"tolower",
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"toupper",
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"towlower",
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"towupper",
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"vsprintf",
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"wcscat",
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"wcschr",
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"wcscmp",
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"wcscpy",
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"wcscspn",
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"wcslen",
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"wcsncat",
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"wcsncmp",
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"wcsncpy",
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"wcspbrk",
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"wcsrchr",
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"wcsspn",
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"wcsstr",
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"wcstok",
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"wcstol",
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"wcstombs",
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"wcstoul"
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};
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static const struct strarray stdc_functions = { ARRAY_SIZE(stdc_names), ARRAY_SIZE(stdc_names), stdc_names };
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struct import_func
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{
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const char *name;
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const char *export_name;
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int ordinal;
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int hint;
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};
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struct import
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{
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struct list entry; /* entry in global dll list */
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char *dll_name; /* exported file name of the dll */
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char *c_name; /* dll name as a C-compatible identifier */
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char *full_name; /* full name of the input file */
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dev_t dev; /* device/inode of the input file */
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ino_t ino;
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ORDDEF **exports; /* functions exported from this dll */
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int nb_exports; /* number of exported functions */
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struct import_func *imports; /* functions we want to import from this dll */
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int nb_imports; /* number of imported functions */
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int max_imports; /* size of imports array */
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};
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static struct strarray undef_symbols; /* list of undefined symbols */
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static struct strarray extra_ld_symbols; /* list of extra symbols that ld should resolve */
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static struct strarray delayed_imports; /* list of delayed import dlls */
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static struct strarray ext_link_imports; /* list of external symbols to link to */
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static struct list dll_imports = LIST_INIT( dll_imports );
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static struct list dll_delayed = LIST_INIT( dll_delayed );
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static struct strarray as_files;
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static const char import_func_prefix[] = "__wine$func$";
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static const char import_ord_prefix[] = "__wine$ord$";
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/* compare function names; helper for resolve_imports */
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static int name_cmp( const char **name, const char **entry )
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{
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return strcmp( *name, *entry );
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}
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/* compare function names; helper for resolve_imports */
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static int func_cmp( const void *func1, const void *func2 )
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{
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const ORDDEF *odp1 = *(const ORDDEF * const *)func1;
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const ORDDEF *odp2 = *(const ORDDEF * const *)func2;
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return strcmp( odp1->name ? odp1->name : odp1->export_name,
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odp2->name ? odp2->name : odp2->export_name );
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}
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/* remove a name from a name table */
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static inline void remove_name( struct strarray *table, unsigned int idx )
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{
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assert( idx < table->count );
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memmove( table->str + idx, table->str + idx + 1,
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(table->count - idx - 1) * sizeof(*table->str) );
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table->count--;
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}
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/* locate a name in a (sorted) list */
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static inline const char *find_name( const char *name, struct strarray table )
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{
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return strarray_bsearch( &table, name, name_cmp );
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}
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/* sort a name table */
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static inline void sort_names( struct strarray *table )
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{
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strarray_qsort( table, name_cmp );
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}
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/* locate an export in a (sorted) export list */
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static inline ORDDEF *find_export( const char *name, ORDDEF **table, int size )
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{
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ORDDEF func, *odp, **res = NULL;
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func.name = func.export_name = xstrdup(name);
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odp = &func;
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if (table) res = bsearch( &odp, table, size, sizeof(*table), func_cmp );
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free( func.name );
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return res ? *res : NULL;
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}
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static const char valid_chars[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_.";
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/* encode a dll name into a linker-compatible name */
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static char *encode_dll_name( const char *name )
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{
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char *p, *ret;
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int len = strlen(name);
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if (strendswith( name, ".dll" )) len -= 4;
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if (strspn( name, valid_chars ) >= len) return strmake( "%.*s", len, name );
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ret = p = xmalloc( len * 4 + 1 );
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for ( ; len > 0; len--, name++)
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{
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if (!strchr( valid_chars, *name )) p += sprintf( p, "$x%02x", *name );
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else *p++ = *name;
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}
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*p = 0;
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return ret;
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}
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/* decode a linker-compatible dll name */
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static char *decode_dll_name( const char **name )
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{
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const char *src = *name;
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char *p, *ret;
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ret = p = xmalloc( strlen( src ) + 5 );
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for ( ; *src; src++, p++)
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{
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if (*src != '$')
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{
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*p = *src;
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}
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else if (src[1] == 'x') /* hex escape */
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{
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int val = 0;
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src += 2;
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if (*src >= '0' && *src <= '9') val += *src - '0';
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else if (*src >= 'A' && *src <= 'F') val += *src - 'A' + 10;
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else if (*src >= 'a' && *src <= 'f') val += *src - 'a' + 10;
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else return NULL;
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val *= 16;
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src++;
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if (*src >= '0' && *src <= '9') val += *src - '0';
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else if (*src >= 'A' && *src <= 'F') val += *src - 'A' + 10;
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else if (*src >= 'a' && *src <= 'f') val += *src - 'a' + 10;
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else return NULL;
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*p = val;
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}
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else break; /* end of dll name */
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}
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*p = 0;
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if (!strchr( ret, '.' )) strcpy( p, ".dll" );
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*name = src;
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return ret;
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}
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/* free an import structure */
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static void free_imports( struct import *imp )
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{
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free( imp->exports );
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free( imp->imports );
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free( imp->dll_name );
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free( imp->c_name );
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free( imp->full_name );
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free( imp );
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}
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/* check whether a given dll is imported in delayed mode */
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static int is_delayed_import( const char *name )
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{
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unsigned int i;
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for (i = 0; i < delayed_imports.count; i++)
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{
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if (!strcmp( delayed_imports.str[i], name )) return 1;
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}
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return 0;
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}
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/* find an imported dll from its name */
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static struct import *find_import_dll( const char *name )
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{
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struct import *import;
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LIST_FOR_EACH_ENTRY( import, &dll_imports, struct import, entry )
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if (!strcasecmp( import->dll_name, name )) return import;
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LIST_FOR_EACH_ENTRY( import, &dll_delayed, struct import, entry )
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if (!strcasecmp( import->dll_name, name )) return import;
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return NULL;
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}
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/* open the .so library for a given dll in a specified path */
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static char *try_library_path( const char *path, const char *name )
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{
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char *buffer;
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int fd;
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buffer = strmake( "%s/lib%s.def", path, name );
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/* check if the file exists */
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if ((fd = open( buffer, O_RDONLY )) != -1)
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{
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close( fd );
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return buffer;
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}
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free( buffer );
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return NULL;
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}
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/* find the .def import library for a given dll */
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static char *find_library( const char *name )
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{
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char *fullname;
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unsigned int i;
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for (i = 0; i < lib_path.count; i++)
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{
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if ((fullname = try_library_path( lib_path.str[i], name ))) return fullname;
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}
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fatal_error( "could not open .def file for %s\n", name );
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return NULL;
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}
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/* read in the list of exported symbols of an import library */
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static DLLSPEC *read_import_lib( struct import *imp )
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{
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FILE *f;
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int i;
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struct stat stat;
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struct import *prev_imp;
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DLLSPEC *spec = alloc_dll_spec();
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f = open_input_file( NULL, imp->full_name );
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fstat( fileno(f), &stat );
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imp->dev = stat.st_dev;
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imp->ino = stat.st_ino;
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if (!parse_def_file( f, spec )) exit( 1 );
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close_input_file( f );
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/* check if we already imported that library from a different file */
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if ((prev_imp = find_import_dll( spec->file_name )))
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{
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if (prev_imp->dev != imp->dev || prev_imp->ino != imp->ino)
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fatal_error( "%s and %s have the same export name '%s'\n",
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prev_imp->full_name, imp->full_name, spec->file_name );
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free_dll_spec( spec );
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return NULL; /* the same file was already loaded, ignore this one */
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}
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if (spec->nb_entry_points)
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{
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imp->exports = xmalloc( spec->nb_entry_points * sizeof(*imp->exports) );
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for (i = 0; i < spec->nb_entry_points; i++)
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imp->exports[imp->nb_exports++] = &spec->entry_points[i];
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qsort( imp->exports, imp->nb_exports, sizeof(*imp->exports), func_cmp );
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}
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return spec;
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}
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/* build the dll exported name from the import lib name or path */
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static char *get_dll_name( const char *name, const char *filename )
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{
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char *ret;
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if (filename)
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{
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const char *basename = get_basename( filename );
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if (!strncmp( basename, "lib", 3 )) basename += 3;
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ret = xmalloc( strlen(basename) + 5 );
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strcpy( ret, basename );
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if (strendswith( ret, ".def" )) ret[strlen(ret)-4] = 0;
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}
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else
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{
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ret = xmalloc( strlen(name) + 5 );
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strcpy( ret, name );
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}
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if (!strchr( ret, '.' )) strcat( ret, ".dll" );
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return ret;
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}
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/* add a dll to the list of imports */
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void add_import_dll( const char *name, const char *filename )
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{
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DLLSPEC *spec;
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char *dll_name = get_dll_name( name, filename );
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struct import *imp = xmalloc( sizeof(*imp) );
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memset( imp, 0, sizeof(*imp) );
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if (filename) imp->full_name = xstrdup( filename );
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else imp->full_name = find_library( name );
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if (!(spec = read_import_lib( imp )))
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{
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free_imports( imp );
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return;
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}
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imp->dll_name = spec->file_name ? spec->file_name : dll_name;
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imp->c_name = make_c_identifier( imp->dll_name );
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if (is_delayed_import( imp->dll_name ))
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list_add_tail( &dll_delayed, &imp->entry );
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else
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list_add_tail( &dll_imports, &imp->entry );
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}
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/* add a library to the list of delayed imports */
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void add_delayed_import( const char *name )
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{
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struct import *imp;
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char *fullname = get_dll_name( name, NULL );
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strarray_add( &delayed_imports, fullname );
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if ((imp = find_import_dll( fullname )))
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{
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list_remove( &imp->entry );
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list_add_tail( &dll_delayed, &imp->entry );
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}
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}
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/* add a symbol to the list of extra symbols that ld must resolve */
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void add_extra_ld_symbol( const char *name )
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{
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strarray_add( &extra_ld_symbols, name );
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}
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/* retrieve an imported dll, adding one if necessary */
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static struct import *add_static_import_dll( const char *name )
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{
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struct import *import;
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if ((import = find_import_dll( name ))) return import;
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import = xmalloc( sizeof(*import) );
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memset( import, 0, sizeof(*import) );
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import->dll_name = xstrdup( name );
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import->full_name = xstrdup( name );
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import->c_name = make_c_identifier( name );
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if (is_delayed_import( name ))
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list_add_tail( &dll_delayed, &import->entry );
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else
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list_add_tail( &dll_imports, &import->entry );
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return import;
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}
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/* add a function to the list of imports from a given dll */
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static void add_import_func( struct import *imp, const char *name, const char *export_name,
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int ordinal, int hint )
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{
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if (imp->nb_imports == imp->max_imports)
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{
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imp->max_imports *= 2;
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if (imp->max_imports < 32) imp->max_imports = 32;
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imp->imports = xrealloc( imp->imports, imp->max_imports * sizeof(*imp->imports) );
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}
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imp->imports[imp->nb_imports].name = name;
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imp->imports[imp->nb_imports].export_name = export_name;
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imp->imports[imp->nb_imports].ordinal = ordinal;
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imp->imports[imp->nb_imports].hint = hint;
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imp->nb_imports++;
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}
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/* add an import for an undefined function of the form __wine$func$ */
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static void add_undef_import( const char *name, int is_ordinal )
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{
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char *dll_name = decode_dll_name( &name );
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int ordinal = 0;
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struct import *import;
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if (!dll_name) return;
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if (*name++ != '$') return;
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while (*name >= '0' && *name <= '9') ordinal = 10 * ordinal + *name++ - '0';
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if (*name++ != '$') return;
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if (!use_msvcrt && find_name( name, stdc_functions )) return;
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import = add_static_import_dll( dll_name );
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if (is_ordinal)
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add_import_func( import, NULL, xstrdup( name ), ordinal, 0 );
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else
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add_import_func( import, xstrdup( name ), NULL, ordinal, 0 );
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free( dll_name );
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}
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/* check if the spec file exports any stubs */
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static int has_stubs( const DLLSPEC *spec )
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{
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int i;
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if (unix_lib) return 0;
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for (i = 0; i < spec->nb_entry_points; i++)
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{
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ORDDEF *odp = &spec->entry_points[i];
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if (odp->type == TYPE_STUB) return 1;
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}
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return 0;
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}
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/* add the extra undefined symbols that will be contained in the generated spec file itself */
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static void add_extra_undef_symbols( DLLSPEC *spec )
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{
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add_extra_ld_symbol( spec->init_func );
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if (spec->type == SPEC_WIN16) add_extra_ld_symbol( "DllMain" );
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if (has_stubs( spec )) add_extra_ld_symbol( "__wine_spec_unimplemented_stub" );
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if (delayed_imports.count) add_extra_ld_symbol( "__wine_spec_delay_load" );
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}
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/* check if a given imported dll is not needed, taking forwards into account */
|
|
static int check_unused( const struct import* imp, const DLLSPEC *spec )
|
|
{
|
|
int i;
|
|
const char *file_name = imp->dll_name;
|
|
size_t len = strlen( file_name );
|
|
const char *p = strchr( file_name, '.' );
|
|
if (p && !strcasecmp( p, ".dll" )) len = p - file_name;
|
|
|
|
for (i = spec->base; i <= spec->limit; i++)
|
|
{
|
|
ORDDEF *odp = spec->ordinals[i];
|
|
if (!odp || !(odp->flags & FLAG_FORWARD)) continue;
|
|
if (!strncasecmp( odp->link_name, file_name, len ) &&
|
|
odp->link_name[len] == '.')
|
|
return 0; /* found a forward, it is used */
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/* check if a given forward does exist in one of the imported dlls */
|
|
static void check_undefined_forwards( DLLSPEC *spec )
|
|
{
|
|
struct import *imp;
|
|
char *link_name, *api_name, *dll_name, *p;
|
|
int i;
|
|
|
|
if (unix_lib) return;
|
|
|
|
for (i = 0; i < spec->nb_entry_points; i++)
|
|
{
|
|
ORDDEF *odp = &spec->entry_points[i];
|
|
|
|
if (!(odp->flags & FLAG_FORWARD)) continue;
|
|
|
|
link_name = xstrdup( odp->link_name );
|
|
p = strrchr( link_name, '.' );
|
|
*p = 0;
|
|
api_name = p + 1;
|
|
dll_name = get_dll_name( link_name, NULL );
|
|
|
|
if ((imp = find_import_dll( dll_name )))
|
|
{
|
|
if (!find_export( api_name, imp->exports, imp->nb_exports ))
|
|
warning( "%s:%d: forward '%s' not found in %s\n",
|
|
spec->src_name, odp->lineno, odp->link_name, imp->dll_name );
|
|
}
|
|
else warning( "%s:%d: forward '%s' not found in the imported dll list\n",
|
|
spec->src_name, odp->lineno, odp->link_name );
|
|
free( link_name );
|
|
free( dll_name );
|
|
}
|
|
}
|
|
|
|
/* flag the dll exports that link to an undefined symbol */
|
|
static void check_undefined_exports( DLLSPEC *spec )
|
|
{
|
|
int i;
|
|
|
|
if (unix_lib) return;
|
|
|
|
for (i = 0; i < spec->nb_entry_points; i++)
|
|
{
|
|
ORDDEF *odp = &spec->entry_points[i];
|
|
if (odp->type == TYPE_STUB || odp->type == TYPE_ABS || odp->type == TYPE_VARIABLE) continue;
|
|
if (odp->flags & FLAG_FORWARD) continue;
|
|
if (odp->flags & FLAG_SYSCALL) continue;
|
|
if (find_name( odp->link_name, undef_symbols ))
|
|
{
|
|
switch(odp->type)
|
|
{
|
|
case TYPE_PASCAL:
|
|
case TYPE_STDCALL:
|
|
case TYPE_CDECL:
|
|
case TYPE_VARARGS:
|
|
if (link_ext_symbols)
|
|
{
|
|
odp->flags |= FLAG_EXT_LINK;
|
|
strarray_add( &ext_link_imports, odp->link_name );
|
|
}
|
|
else error( "%s:%d: function '%s' not defined\n",
|
|
spec->src_name, odp->lineno, odp->link_name );
|
|
break;
|
|
default:
|
|
if (!strcmp( odp->link_name, "__wine_syscall_dispatcher" )) break;
|
|
error( "%s:%d: external symbol '%s' is not a function\n",
|
|
spec->src_name, odp->lineno, odp->link_name );
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* create a .o file that references all the undefined symbols we want to resolve */
|
|
static char *create_undef_symbols_file( DLLSPEC *spec )
|
|
{
|
|
char *as_file, *obj_file;
|
|
int i;
|
|
unsigned int j;
|
|
|
|
if (unix_lib) return NULL;
|
|
|
|
as_file = open_temp_output_file( ".s" );
|
|
output( "\t.data\n" );
|
|
|
|
for (i = 0; i < spec->nb_entry_points; i++)
|
|
{
|
|
ORDDEF *odp = &spec->entry_points[i];
|
|
if (odp->type == TYPE_STUB || odp->type == TYPE_ABS || odp->type == TYPE_VARIABLE) continue;
|
|
if (odp->flags & FLAG_FORWARD) continue;
|
|
if (odp->flags & FLAG_SYSCALL) continue;
|
|
output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name( get_link_name( odp )));
|
|
}
|
|
for (j = 0; j < extra_ld_symbols.count; j++)
|
|
output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name(extra_ld_symbols.str[j]) );
|
|
fclose( output_file );
|
|
|
|
obj_file = get_temp_file_name( output_file_name, ".o" );
|
|
assemble_file( as_file, obj_file );
|
|
return obj_file;
|
|
}
|
|
|
|
/* combine a list of object files with ld into a single object file */
|
|
/* returns the name of the combined file */
|
|
static const char *ldcombine_files( DLLSPEC *spec, struct strarray files )
|
|
{
|
|
char *ld_tmp_file, *undef_file;
|
|
struct strarray args = get_ld_command();
|
|
|
|
undef_file = create_undef_symbols_file( spec );
|
|
ld_tmp_file = get_temp_file_name( output_file_name, ".o" );
|
|
|
|
strarray_add( &args, "-r" );
|
|
strarray_add( &args, "-o" );
|
|
strarray_add( &args, ld_tmp_file );
|
|
if (undef_file) strarray_add( &args, undef_file );
|
|
strarray_addall( &args, files );
|
|
spawn( args );
|
|
return ld_tmp_file;
|
|
}
|
|
|
|
/* read in the list of undefined symbols */
|
|
void read_undef_symbols( DLLSPEC *spec, struct strarray files )
|
|
{
|
|
size_t prefix_len;
|
|
FILE *f;
|
|
const char *prog = get_nm_command();
|
|
char *cmd, buffer[1024], name_prefix[16];
|
|
int err;
|
|
const char *name;
|
|
|
|
if (!files.count) return;
|
|
|
|
add_extra_undef_symbols( spec );
|
|
|
|
strcpy( name_prefix, asm_name("") );
|
|
prefix_len = strlen( name_prefix );
|
|
|
|
name = ldcombine_files( spec, files );
|
|
|
|
cmd = strmake( "%s -u %s", prog, name );
|
|
if (verbose)
|
|
fprintf( stderr, "%s\n", cmd );
|
|
if (!(f = popen( cmd, "r" )))
|
|
fatal_error( "Cannot execute '%s'\n", cmd );
|
|
|
|
while (fgets( buffer, sizeof(buffer), f ))
|
|
{
|
|
char *p = buffer + strlen(buffer) - 1;
|
|
if (p < buffer) continue;
|
|
if (*p == '\n') *p-- = 0;
|
|
p = buffer;
|
|
while (*p == ' ') p++;
|
|
if (p[0] == 'U' && p[1] == ' ' && p[2]) p += 2;
|
|
if (prefix_len && !strncmp( p, name_prefix, prefix_len )) p += prefix_len;
|
|
if (!strncmp( p, import_func_prefix, strlen(import_func_prefix) ))
|
|
add_undef_import( p + strlen( import_func_prefix ), 0 );
|
|
else if (!strncmp( p, import_ord_prefix, strlen(import_ord_prefix) ))
|
|
add_undef_import( p + strlen( import_ord_prefix ), 1 );
|
|
else if (use_msvcrt || !find_name( p, stdc_functions ))
|
|
strarray_add( &undef_symbols, xstrdup( p ));
|
|
}
|
|
if ((err = pclose( f ))) warning( "%s failed with status %d\n", cmd, err );
|
|
free( cmd );
|
|
}
|
|
|
|
void resolve_dll_imports( DLLSPEC *spec, struct list *list )
|
|
{
|
|
unsigned int j;
|
|
struct import *imp, *next;
|
|
ORDDEF *odp;
|
|
|
|
LIST_FOR_EACH_ENTRY_SAFE( imp, next, list, struct import, entry )
|
|
{
|
|
for (j = 0; j < undef_symbols.count; j++)
|
|
{
|
|
odp = find_export( undef_symbols.str[j], imp->exports, imp->nb_exports );
|
|
if (odp)
|
|
{
|
|
if (odp->flags & FLAG_PRIVATE) continue;
|
|
if (odp->type != TYPE_STDCALL && odp->type != TYPE_CDECL)
|
|
warning( "winebuild: Data export '%s' cannot be imported from %s\n",
|
|
odp->link_name, imp->dll_name );
|
|
else
|
|
{
|
|
add_import_func( imp, (odp->flags & FLAG_NONAME) ? NULL : odp->name,
|
|
odp->export_name, odp->ordinal, odp->hint );
|
|
remove_name( &undef_symbols, j-- );
|
|
}
|
|
}
|
|
}
|
|
if (!imp->nb_imports)
|
|
{
|
|
/* the dll is not used, get rid of it */
|
|
if (check_unused( imp, spec ))
|
|
warning( "winebuild: %s imported but no symbols used\n", imp->dll_name );
|
|
list_remove( &imp->entry );
|
|
free_imports( imp );
|
|
}
|
|
}
|
|
}
|
|
|
|
/* resolve the imports for a Win32 module */
|
|
void resolve_imports( DLLSPEC *spec )
|
|
{
|
|
check_undefined_forwards( spec );
|
|
resolve_dll_imports( spec, &dll_imports );
|
|
resolve_dll_imports( spec, &dll_delayed );
|
|
sort_names( &undef_symbols );
|
|
check_undefined_exports( spec );
|
|
}
|
|
|
|
/* check if symbol is still undefined */
|
|
int is_undefined( const char *name )
|
|
{
|
|
return find_name( name, undef_symbols ) != NULL;
|
|
}
|
|
|
|
/* output the get_pc thunk if needed */
|
|
void output_get_pc_thunk(void)
|
|
{
|
|
assert( target.cpu == CPU_i386 );
|
|
output( "\n\t.text\n" );
|
|
output( "\t.align %d\n", get_alignment(4) );
|
|
output( "\t%s\n", func_declaration("__wine_spec_get_pc_thunk_eax") );
|
|
output( "%s:\n", asm_name("__wine_spec_get_pc_thunk_eax") );
|
|
output_cfi( ".cfi_startproc" );
|
|
output( "\tmovl (%%esp),%%eax\n" );
|
|
output( "\tret\n" );
|
|
output_cfi( ".cfi_endproc" );
|
|
output_function_size( "__wine_spec_get_pc_thunk_eax" );
|
|
}
|
|
|
|
/* output a single import thunk */
|
|
static void output_import_thunk( const char *name, const char *table, int pos )
|
|
{
|
|
output( "\n\t.align %d\n", get_alignment(4) );
|
|
output( "\t%s\n", func_declaration(name) );
|
|
output( "%s\n", asm_globl(name) );
|
|
output_cfi( ".cfi_startproc" );
|
|
|
|
switch (target.cpu)
|
|
{
|
|
case CPU_i386:
|
|
if (!UsePIC)
|
|
{
|
|
output( "\tjmp *(%s+%d)\n", table, pos );
|
|
}
|
|
else
|
|
{
|
|
output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
|
|
output( "1:\tjmp *%s+%d-1b(%%eax)\n", table, pos );
|
|
needs_get_pc_thunk = 1;
|
|
}
|
|
break;
|
|
case CPU_x86_64:
|
|
output( "\tjmpq *%s+%d(%%rip)\n", table, pos );
|
|
break;
|
|
case CPU_ARM:
|
|
if (UsePIC)
|
|
{
|
|
output( "\tldr ip, 2f\n");
|
|
output( "1:\tadd ip, pc\n" );
|
|
output( "\tldr pc, [ip]\n");
|
|
output( "2:\t.long %s+%u-1b-%u\n", table, pos, thumb_mode ? 4 : 8 );
|
|
}
|
|
else
|
|
{
|
|
output( "\tldr ip, 1f\n");
|
|
output( "\tldr pc, [ip]\n");
|
|
output( "1:\t.long %s+%u\n", table, pos );
|
|
}
|
|
break;
|
|
case CPU_ARM64:
|
|
output( "\tadrp x16, %s\n", arm64_page( table ) );
|
|
output( "\tadd x16, x16, #%s\n", arm64_pageoff( table ) );
|
|
if (pos & ~0x7fff) output( "\tadd x16, x16, #%u\n", pos & ~0x7fff );
|
|
output( "\tldr x16, [x16, #%u]\n", pos & 0x7fff );
|
|
output( "\tbr x16\n" );
|
|
break;
|
|
}
|
|
output_cfi( ".cfi_endproc" );
|
|
output_function_size( name );
|
|
}
|
|
|
|
/* check if we need an import directory */
|
|
int has_imports(void)
|
|
{
|
|
return !list_empty( &dll_imports );
|
|
}
|
|
|
|
/* output the import table of a Win32 module */
|
|
static void output_immediate_imports(void)
|
|
{
|
|
int i, j;
|
|
struct import *import;
|
|
|
|
if (list_empty( &dll_imports )) return; /* no immediate imports */
|
|
|
|
/* main import header */
|
|
|
|
output( "\n/* import table */\n" );
|
|
output( "\n\t.data\n" );
|
|
output( "\t.align %d\n", get_alignment(4) );
|
|
output( ".L__wine_spec_imports:\n" );
|
|
|
|
/* list of dlls */
|
|
|
|
j = 0;
|
|
LIST_FOR_EACH_ENTRY( import, &dll_imports, struct import, entry )
|
|
{
|
|
output_rva( ".L__wine_spec_import_data_names + %d", j * get_ptr_size() ); /* OriginalFirstThunk */
|
|
output( "\t.long 0\n" ); /* TimeDateStamp */
|
|
output( "\t.long 0\n" ); /* ForwarderChain */
|
|
output_rva( ".L__wine_spec_import_name_%s", import->c_name ); /* Name */
|
|
output_rva( ".L__wine_spec_import_data_ptrs + %d", j * get_ptr_size() ); /* FirstThunk */
|
|
j += import->nb_imports + 1;
|
|
}
|
|
output( "\t.long 0\n" ); /* OriginalFirstThunk */
|
|
output( "\t.long 0\n" ); /* TimeDateStamp */
|
|
output( "\t.long 0\n" ); /* ForwarderChain */
|
|
output( "\t.long 0\n" ); /* Name */
|
|
output( "\t.long 0\n" ); /* FirstThunk */
|
|
|
|
output( "\n\t.align %d\n", get_alignment(get_ptr_size()) );
|
|
/* output the names twice, once for OriginalFirstThunk and once for FirstThunk */
|
|
for (i = 0; i < 2; i++)
|
|
{
|
|
output( ".L__wine_spec_import_data_%s:\n", i ? "ptrs" : "names" );
|
|
LIST_FOR_EACH_ENTRY( import, &dll_imports, struct import, entry )
|
|
{
|
|
for (j = 0; j < import->nb_imports; j++)
|
|
{
|
|
struct import_func *func = &import->imports[j];
|
|
if (i)
|
|
{
|
|
if (func->name) output( "__imp_%s:\n", asm_name( func->name ));
|
|
else if (func->export_name) output( "__imp_%s:\n", asm_name( func->export_name ));
|
|
}
|
|
if (func->name)
|
|
output( "\t%s .L__wine_spec_import_data_%s_%s-.L__wine_spec_rva_base\n",
|
|
get_asm_ptr_keyword(), import->c_name, func->name );
|
|
else
|
|
{
|
|
if (get_ptr_size() == 8)
|
|
output( "\t.quad 0x800000000000%04x\n", func->ordinal );
|
|
else
|
|
output( "\t.long 0x8000%04x\n", func->ordinal );
|
|
}
|
|
}
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() );
|
|
}
|
|
}
|
|
output( ".L__wine_spec_imports_end:\n" );
|
|
|
|
LIST_FOR_EACH_ENTRY( import, &dll_imports, struct import, entry )
|
|
{
|
|
for (j = 0; j < import->nb_imports; j++)
|
|
{
|
|
struct import_func *func = &import->imports[j];
|
|
if (!func->name) continue;
|
|
output( "\t.align %d\n", get_alignment(2) );
|
|
output( ".L__wine_spec_import_data_%s_%s:\n", import->c_name, func->name );
|
|
output( "\t.short %d\n", func->hint );
|
|
output( "\t%s \"%s\"\n", get_asm_string_keyword(), func->name );
|
|
}
|
|
}
|
|
|
|
LIST_FOR_EACH_ENTRY( import, &dll_imports, struct import, entry )
|
|
{
|
|
output( ".L__wine_spec_import_name_%s:\n\t%s \"%s\"\n",
|
|
import->c_name, get_asm_string_keyword(), import->dll_name );
|
|
}
|
|
}
|
|
|
|
/* output the import thunks of a Win32 module */
|
|
static void output_immediate_import_thunks(void)
|
|
{
|
|
int j, pos;
|
|
struct import *import;
|
|
static const char import_thunks[] = "__wine_spec_import_thunks";
|
|
|
|
if (list_empty( &dll_imports )) return;
|
|
|
|
output( "\n/* immediate import thunks */\n\n" );
|
|
output( "\t.text\n" );
|
|
output( "\t.align %d\n", get_alignment(8) );
|
|
output( "%s:\n", asm_name(import_thunks));
|
|
|
|
pos = 0;
|
|
LIST_FOR_EACH_ENTRY( import, &dll_imports, struct import, entry )
|
|
{
|
|
for (j = 0; j < import->nb_imports; j++, pos += get_ptr_size())
|
|
{
|
|
struct import_func *func = &import->imports[j];
|
|
output_import_thunk( func->name ? func->name : func->export_name,
|
|
".L__wine_spec_import_data_ptrs", pos );
|
|
}
|
|
pos += get_ptr_size();
|
|
}
|
|
output_function_size( import_thunks );
|
|
}
|
|
|
|
/* output the delayed import table of a Win32 module */
|
|
static void output_delayed_imports( const DLLSPEC *spec )
|
|
{
|
|
int j, mod;
|
|
struct import *import;
|
|
|
|
if (list_empty( &dll_delayed )) return;
|
|
|
|
output( "\n/* delayed imports */\n\n" );
|
|
output( "\t.data\n" );
|
|
output( "\t.align %d\n", get_alignment(get_ptr_size()) );
|
|
output( "%s\n", asm_globl("__wine_spec_delay_imports") );
|
|
|
|
/* list of dlls */
|
|
|
|
j = mod = 0;
|
|
LIST_FOR_EACH_ENTRY( import, &dll_delayed, struct import, entry )
|
|
{
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* grAttrs */
|
|
output( "\t%s .L__wine_delay_name_%s\n", /* szName */
|
|
get_asm_ptr_keyword(), import->c_name );
|
|
output( "\t%s .L__wine_delay_modules+%d\n", /* phmod */
|
|
get_asm_ptr_keyword(), mod * get_ptr_size() );
|
|
output( "\t%s .L__wine_delay_IAT+%d\n", /* pIAT */
|
|
get_asm_ptr_keyword(), j * get_ptr_size() );
|
|
output( "\t%s .L__wine_delay_INT+%d\n", /* pINT */
|
|
get_asm_ptr_keyword(), j * get_ptr_size() );
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pBoundIAT */
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pUnloadIAT */
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* dwTimeStamp */
|
|
j += import->nb_imports;
|
|
mod++;
|
|
}
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* grAttrs */
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* szName */
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* phmod */
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pIAT */
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pINT */
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pBoundIAT */
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pUnloadIAT */
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* dwTimeStamp */
|
|
|
|
output( "\n.L__wine_delay_IAT:\n" );
|
|
LIST_FOR_EACH_ENTRY( import, &dll_delayed, struct import, entry )
|
|
{
|
|
for (j = 0; j < import->nb_imports; j++)
|
|
{
|
|
struct import_func *func = &import->imports[j];
|
|
const char *name = func->name ? func->name : func->export_name;
|
|
output( "__imp_%s:\n", asm_name( name ));
|
|
output( "\t%s __wine_delay_imp_%s_%s\n",
|
|
get_asm_ptr_keyword(), import->c_name, name );
|
|
}
|
|
}
|
|
|
|
output( "\n.L__wine_delay_INT:\n" );
|
|
LIST_FOR_EACH_ENTRY( import, &dll_delayed, struct import, entry )
|
|
{
|
|
for (j = 0; j < import->nb_imports; j++)
|
|
{
|
|
struct import_func *func = &import->imports[j];
|
|
if (!func->name)
|
|
output( "\t%s %d\n", get_asm_ptr_keyword(), func->ordinal );
|
|
else
|
|
output( "\t%s .L__wine_delay_data_%s_%s\n",
|
|
get_asm_ptr_keyword(), import->c_name, func->name );
|
|
}
|
|
}
|
|
|
|
output( "\n.L__wine_delay_modules:\n" );
|
|
LIST_FOR_EACH_ENTRY( import, &dll_delayed, struct import, entry )
|
|
{
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() );
|
|
}
|
|
|
|
LIST_FOR_EACH_ENTRY( import, &dll_delayed, struct import, entry )
|
|
{
|
|
output( ".L__wine_delay_name_%s:\n", import->c_name );
|
|
output( "\t%s \"%s\"\n", get_asm_string_keyword(), import->dll_name );
|
|
}
|
|
|
|
LIST_FOR_EACH_ENTRY( import, &dll_delayed, struct import, entry )
|
|
{
|
|
for (j = 0; j < import->nb_imports; j++)
|
|
{
|
|
struct import_func *func = &import->imports[j];
|
|
if (!func->name) continue;
|
|
output( ".L__wine_delay_data_%s_%s:\n", import->c_name, func->name );
|
|
output( "\t%s \"%s\"\n", get_asm_string_keyword(), func->name );
|
|
}
|
|
}
|
|
output_function_size( "__wine_spec_delay_imports" );
|
|
}
|
|
|
|
/* output the delayed import thunks of a Win32 module */
|
|
static void output_delayed_import_thunks( const DLLSPEC *spec )
|
|
{
|
|
int idx, j, pos;
|
|
struct import *import;
|
|
static const char delayed_import_loaders[] = "__wine_spec_delayed_import_loaders";
|
|
static const char delayed_import_thunks[] = "__wine_spec_delayed_import_thunks";
|
|
|
|
if (list_empty( &dll_delayed )) return;
|
|
|
|
output( "\n/* delayed import thunks */\n\n" );
|
|
output( "\t.text\n" );
|
|
output( "\t.align %d\n", get_alignment(8) );
|
|
output( "%s:\n", asm_name(delayed_import_loaders));
|
|
output( "\t%s\n", func_declaration("__wine_delay_load_asm") );
|
|
output( "%s:\n", asm_name("__wine_delay_load_asm") );
|
|
output_cfi( ".cfi_startproc" );
|
|
switch (target.cpu)
|
|
{
|
|
case CPU_i386:
|
|
output( "\tpushl %%ecx\n" );
|
|
output_cfi( ".cfi_adjust_cfa_offset 4" );
|
|
output( "\tpushl %%edx\n" );
|
|
output_cfi( ".cfi_adjust_cfa_offset 4" );
|
|
output( "\tpushl %%eax\n" );
|
|
output_cfi( ".cfi_adjust_cfa_offset 4" );
|
|
output( "\tcall %s\n", asm_name("__wine_spec_delay_load") );
|
|
output_cfi( ".cfi_adjust_cfa_offset -4" );
|
|
output( "\tpopl %%edx\n" );
|
|
output_cfi( ".cfi_adjust_cfa_offset -4" );
|
|
output( "\tpopl %%ecx\n" );
|
|
output_cfi( ".cfi_adjust_cfa_offset -4" );
|
|
output( "\tjmp *%%eax\n" );
|
|
break;
|
|
case CPU_x86_64:
|
|
output( "\tsubq $0x98,%%rsp\n" );
|
|
output_cfi( ".cfi_adjust_cfa_offset 0x98" );
|
|
output( "\tmovq %%rdx,0x88(%%rsp)\n" );
|
|
output( "\tmovq %%rcx,0x80(%%rsp)\n" );
|
|
output( "\tmovq %%r8,0x78(%%rsp)\n" );
|
|
output( "\tmovq %%r9,0x70(%%rsp)\n" );
|
|
output( "\tmovq %%r10,0x68(%%rsp)\n" );
|
|
output( "\tmovq %%r11,0x60(%%rsp)\n" );
|
|
output( "\tmovups %%xmm0,0x50(%%rsp)\n" );
|
|
output( "\tmovups %%xmm1,0x40(%%rsp)\n" );
|
|
output( "\tmovups %%xmm2,0x30(%%rsp)\n" );
|
|
output( "\tmovups %%xmm3,0x20(%%rsp)\n" );
|
|
output( "\tmovq %%rax,%%rcx\n" );
|
|
output( "\tcall %s\n", asm_name("__wine_spec_delay_load") );
|
|
output( "\tmovups 0x20(%%rsp),%%xmm3\n" );
|
|
output( "\tmovups 0x30(%%rsp),%%xmm2\n" );
|
|
output( "\tmovups 0x40(%%rsp),%%xmm1\n" );
|
|
output( "\tmovups 0x50(%%rsp),%%xmm0\n" );
|
|
output( "\tmovq 0x60(%%rsp),%%r11\n" );
|
|
output( "\tmovq 0x68(%%rsp),%%r10\n" );
|
|
output( "\tmovq 0x70(%%rsp),%%r9\n" );
|
|
output( "\tmovq 0x78(%%rsp),%%r8\n" );
|
|
output( "\tmovq 0x80(%%rsp),%%rcx\n" );
|
|
output( "\tmovq 0x88(%%rsp),%%rdx\n" );
|
|
output( "\taddq $0x98,%%rsp\n" );
|
|
output_cfi( ".cfi_adjust_cfa_offset -0x98" );
|
|
output( "\tjmp *%%rax\n" );
|
|
break;
|
|
case CPU_ARM:
|
|
output( "\tpush {r0-r3,FP,LR}\n" );
|
|
output( "\tmov r0,IP\n" );
|
|
output( "\tbl %s\n", asm_name("__wine_spec_delay_load") );
|
|
output( "\tmov IP,r0\n");
|
|
output( "\tpop {r0-r3,FP,LR}\n" );
|
|
output( "\tbx IP\n");
|
|
break;
|
|
case CPU_ARM64:
|
|
output( "\tstp x29, x30, [sp,#-80]!\n" );
|
|
output( "\tmov x29, sp\n" );
|
|
output( "\tstp x0, x1, [sp,#16]\n" );
|
|
output( "\tstp x2, x3, [sp,#32]\n" );
|
|
output( "\tstp x4, x5, [sp,#48]\n" );
|
|
output( "\tstp x6, x7, [sp,#64]\n" );
|
|
output( "\tmov x0, x16\n" );
|
|
output( "\tbl %s\n", asm_name("__wine_spec_delay_load") );
|
|
output( "\tmov x16, x0\n" );
|
|
output( "\tldp x0, x1, [sp,#16]\n" );
|
|
output( "\tldp x2, x3, [sp,#32]\n" );
|
|
output( "\tldp x4, x5, [sp,#48]\n" );
|
|
output( "\tldp x6, x7, [sp,#64]\n" );
|
|
output( "\tldp x29, x30, [sp],#80\n" );
|
|
output( "\tbr x16\n" );
|
|
break;
|
|
}
|
|
output_cfi( ".cfi_endproc" );
|
|
output_function_size( "__wine_delay_load_asm" );
|
|
output( "\n" );
|
|
|
|
idx = 0;
|
|
LIST_FOR_EACH_ENTRY( import, &dll_delayed, struct import, entry )
|
|
{
|
|
for (j = 0; j < import->nb_imports; j++)
|
|
{
|
|
struct import_func *func = &import->imports[j];
|
|
const char *name = func->name ? func->name : func->export_name;
|
|
|
|
if (thumb_mode) output( "\t.thumb_func\n" );
|
|
output( "__wine_delay_imp_%s_%s:\n", import->c_name, name );
|
|
output_cfi( ".cfi_startproc" );
|
|
switch (target.cpu)
|
|
{
|
|
case CPU_i386:
|
|
case CPU_x86_64:
|
|
output( "\tmovl $%d,%%eax\n", (idx << 16) | j );
|
|
output( "\tjmp %s\n", asm_name("__wine_delay_load_asm") );
|
|
break;
|
|
case CPU_ARM:
|
|
output( "\tmov ip, #%u\n", j );
|
|
if (idx) output( "\tmovt ip, #%u\n", idx );
|
|
output( "\tb %s\n", asm_name("__wine_delay_load_asm") );
|
|
break;
|
|
case CPU_ARM64:
|
|
if (idx)
|
|
{
|
|
output( "\tmov x16, #0x%x\n", idx << 16 );
|
|
if (j) output( "\tmovk x16, #0x%x\n", j );
|
|
}
|
|
else output( "\tmov x16, #0x%x\n", j );
|
|
output( "\tb %s\n", asm_name("__wine_delay_load_asm") );
|
|
break;
|
|
}
|
|
output_cfi( ".cfi_endproc" );
|
|
}
|
|
idx++;
|
|
}
|
|
output_function_size( delayed_import_loaders );
|
|
|
|
output( "\n\t.align %d\n", get_alignment(get_ptr_size()) );
|
|
output( "%s:\n", asm_name(delayed_import_thunks));
|
|
pos = 0;
|
|
LIST_FOR_EACH_ENTRY( import, &dll_delayed, struct import, entry )
|
|
{
|
|
for (j = 0; j < import->nb_imports; j++, pos += get_ptr_size())
|
|
{
|
|
struct import_func *func = &import->imports[j];
|
|
output_import_thunk( func->name ? func->name : func->export_name,
|
|
".L__wine_delay_IAT", pos );
|
|
}
|
|
}
|
|
output_function_size( delayed_import_thunks );
|
|
}
|
|
|
|
/* output import stubs for exported entry points that link to external symbols */
|
|
static void output_external_link_imports( DLLSPEC *spec )
|
|
{
|
|
unsigned int i, pos;
|
|
|
|
if (!ext_link_imports.count) return; /* nothing to do */
|
|
|
|
sort_names( &ext_link_imports );
|
|
|
|
/* get rid of duplicate names */
|
|
for (i = 1; i < ext_link_imports.count; i++)
|
|
{
|
|
if (!strcmp( ext_link_imports.str[i-1], ext_link_imports.str[i] ))
|
|
remove_name( &ext_link_imports, i-- );
|
|
}
|
|
|
|
output( "\n/* external link thunks */\n\n" );
|
|
output( "\t.data\n" );
|
|
output( "\t.align %d\n", get_alignment(get_ptr_size()) );
|
|
output( ".L__wine_spec_external_links:\n" );
|
|
for (i = 0; i < ext_link_imports.count; i++)
|
|
output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name(ext_link_imports.str[i]) );
|
|
|
|
output( "\n\t.text\n" );
|
|
output( "\t.align %d\n", get_alignment(get_ptr_size()) );
|
|
output( "%s:\n", asm_name("__wine_spec_external_link_thunks") );
|
|
|
|
for (i = pos = 0; i < ext_link_imports.count; i++)
|
|
{
|
|
char *buffer = strmake( "__wine_spec_ext_link_%s", ext_link_imports.str[i] );
|
|
output_import_thunk( buffer, ".L__wine_spec_external_links", pos );
|
|
free( buffer );
|
|
pos += get_ptr_size();
|
|
}
|
|
output_function_size( "__wine_spec_external_link_thunks" );
|
|
}
|
|
|
|
/*******************************************************************
|
|
* output_stubs
|
|
*
|
|
* Output the functions for stub entry points
|
|
*/
|
|
void output_stubs( DLLSPEC *spec )
|
|
{
|
|
const char *name, *exp_name;
|
|
int i;
|
|
|
|
if (!has_stubs( spec )) return;
|
|
|
|
output( "\n/* stub functions */\n\n" );
|
|
output( "\t.text\n" );
|
|
|
|
for (i = 0; i < spec->nb_entry_points; i++)
|
|
{
|
|
ORDDEF *odp = &spec->entry_points[i];
|
|
if (odp->type != TYPE_STUB) continue;
|
|
|
|
name = get_stub_name( odp, spec );
|
|
exp_name = odp->name ? odp->name : odp->export_name;
|
|
output( "\t.align %d\n", get_alignment(4) );
|
|
output( "\t%s\n", func_declaration(name) );
|
|
output( "%s:\n", asm_name(name) );
|
|
output_cfi( ".cfi_startproc" );
|
|
|
|
switch (target.cpu)
|
|
{
|
|
case CPU_i386:
|
|
/* flesh out the stub a bit to make safedisc happy */
|
|
output(" \tnop\n" );
|
|
output(" \tnop\n" );
|
|
output(" \tnop\n" );
|
|
output(" \tnop\n" );
|
|
output(" \tnop\n" );
|
|
output(" \tnop\n" );
|
|
output(" \tnop\n" );
|
|
output(" \tnop\n" );
|
|
output(" \tnop\n" );
|
|
|
|
output( "\tsubl $12,%%esp\n" );
|
|
output_cfi( ".cfi_adjust_cfa_offset 12" );
|
|
if (UsePIC)
|
|
{
|
|
output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
|
|
output( "1:" );
|
|
needs_get_pc_thunk = 1;
|
|
if (exp_name)
|
|
{
|
|
output( "\tleal .L%s_string-1b(%%eax),%%ecx\n", name );
|
|
output( "\tmovl %%ecx,4(%%esp)\n" );
|
|
}
|
|
else
|
|
output( "\tmovl $%d,4(%%esp)\n", odp->ordinal );
|
|
output( "\tleal .L__wine_spec_file_name-1b(%%eax),%%ecx\n" );
|
|
output( "\tmovl %%ecx,(%%esp)\n" );
|
|
}
|
|
else
|
|
{
|
|
if (exp_name)
|
|
output( "\tmovl $.L%s_string,4(%%esp)\n", name );
|
|
else
|
|
output( "\tmovl $%d,4(%%esp)\n", odp->ordinal );
|
|
output( "\tmovl $.L__wine_spec_file_name,(%%esp)\n" );
|
|
}
|
|
output( "\tcall %s\n", asm_name("__wine_spec_unimplemented_stub") );
|
|
break;
|
|
case CPU_x86_64:
|
|
output( "\tsubq $0x28,%%rsp\n" );
|
|
output_cfi( ".cfi_adjust_cfa_offset 8" );
|
|
output( "\tleaq .L__wine_spec_file_name(%%rip),%%rcx\n" );
|
|
if (exp_name)
|
|
output( "leaq .L%s_string(%%rip),%%rdx\n", name );
|
|
else
|
|
output( "\tmovq $%d,%%rdx\n", odp->ordinal );
|
|
output( "\tcall %s\n", asm_name("__wine_spec_unimplemented_stub") );
|
|
break;
|
|
case CPU_ARM:
|
|
if (UsePIC)
|
|
{
|
|
output( "\tldr r0,3f\n");
|
|
output( "1:\tadd r0,PC\n");
|
|
output( "\tldr r1,3f+4\n");
|
|
if (exp_name) output( "2:\tadd r1,PC\n");
|
|
output( "\tbl %s\n", asm_name("__wine_spec_unimplemented_stub") );
|
|
output( "3:\t.long .L__wine_spec_file_name-1b-%u\n", thumb_mode ? 4 : 8 );
|
|
if (exp_name) output( "\t.long .L%s_string-2b-%u\n", name, thumb_mode ? 4 : 8 );
|
|
else output( "\t.long %u\n", odp->ordinal );
|
|
}
|
|
else
|
|
{
|
|
output( "\tmovw r0,:lower16:.L__wine_spec_file_name\n");
|
|
output( "\tmovt r0,:upper16:.L__wine_spec_file_name\n");
|
|
if (exp_name)
|
|
{
|
|
output( "\tmovw r1,:lower16:.L%s_string\n", name );
|
|
output( "\tmovt r1,:upper16:.L%s_string\n", name );
|
|
}
|
|
else output( "\tmov r1,#%u\n", odp->ordinal );
|
|
output( "\tbl %s\n", asm_name("__wine_spec_unimplemented_stub") );
|
|
}
|
|
break;
|
|
case CPU_ARM64:
|
|
output( "\tadrp x0, %s\n", arm64_page(".L__wine_spec_file_name") );
|
|
output( "\tadd x0, x0, #%s\n", arm64_pageoff(".L__wine_spec_file_name") );
|
|
if (exp_name)
|
|
{
|
|
char *sym = strmake( ".L%s_string", name );
|
|
output( "\tadrp x1, %s\n", arm64_page( sym ) );
|
|
output( "\tadd x1, x1, #%s\n", arm64_pageoff( sym ) );
|
|
free( sym );
|
|
}
|
|
else
|
|
output( "\tmov x1, %u\n", odp->ordinal );
|
|
output( "\tbl %s\n", asm_name("__wine_spec_unimplemented_stub") );
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
output_cfi( ".cfi_endproc" );
|
|
output_function_size( name );
|
|
}
|
|
|
|
output( "\t%s\n", get_asm_string_section() );
|
|
output( ".L__wine_spec_file_name:\n" );
|
|
output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name );
|
|
for (i = 0; i < spec->nb_entry_points; i++)
|
|
{
|
|
ORDDEF *odp = &spec->entry_points[i];
|
|
if (odp->type != TYPE_STUB) continue;
|
|
exp_name = odp->name ? odp->name : odp->export_name;
|
|
if (exp_name)
|
|
{
|
|
name = get_stub_name( odp, spec );
|
|
output( ".L%s_string:\n", name );
|
|
output( "\t%s \"%s\"\n", get_asm_string_keyword(), exp_name );
|
|
}
|
|
}
|
|
}
|
|
|
|
static int cmp_link_name( const void *e1, const void *e2 )
|
|
{
|
|
const ORDDEF *odp1 = *(const ORDDEF * const *)e1;
|
|
const ORDDEF *odp2 = *(const ORDDEF * const *)e2;
|
|
|
|
return strcmp( odp1->link_name, odp2->link_name );
|
|
}
|
|
|
|
|
|
/* output the functions for system calls */
|
|
void output_syscalls( DLLSPEC *spec )
|
|
{
|
|
int i, count;
|
|
ORDDEF **syscalls = NULL;
|
|
|
|
if (unix_lib) return;
|
|
|
|
for (i = count = 0; i < spec->nb_entry_points; i++)
|
|
{
|
|
ORDDEF *odp = &spec->entry_points[i];
|
|
if (!(odp->flags & FLAG_SYSCALL)) continue;
|
|
if (!syscalls) syscalls = xmalloc( (spec->nb_entry_points - i) * sizeof(*syscalls) );
|
|
syscalls[count++] = odp;
|
|
}
|
|
if (!count) return;
|
|
count = sort_func_list( syscalls, count, cmp_link_name );
|
|
|
|
output( "\n/* system calls */\n\n" );
|
|
output( "\t.text\n" );
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
ORDDEF *odp = syscalls[i];
|
|
const char *name = get_link_name(odp);
|
|
unsigned int id = (spec->syscall_table << 12) + i;
|
|
|
|
output( "\t.align %d\n", get_alignment(16) );
|
|
output( "\t%s\n", func_declaration(name) );
|
|
output( "%s\n", asm_globl(name) );
|
|
output_cfi( ".cfi_startproc" );
|
|
switch (target.cpu)
|
|
{
|
|
case CPU_i386:
|
|
if (UsePIC)
|
|
{
|
|
output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
|
|
output( "1:\tmovl %s-1b(%%eax),%%edx\n", asm_name("__wine_syscall_dispatcher") );
|
|
output( "\tmovl $%u,%%eax\n", id );
|
|
needs_get_pc_thunk = 1;
|
|
}
|
|
else
|
|
{
|
|
output( "\tmovl $%u,%%eax\n", id );
|
|
output( "\tmovl $%s,%%edx\n", asm_name("__wine_syscall") );
|
|
}
|
|
output( "\tcall *%%edx\n" );
|
|
output( "\tret $%u\n", odp->type == TYPE_STDCALL ? get_args_size( odp ) : 0 );
|
|
break;
|
|
case CPU_x86_64:
|
|
/* Chromium depends on syscall thunks having the same form as on
|
|
* Windows. For 64-bit systems the only viable form we can emulate is
|
|
* having an int $0x2e fallback. Since actually using an interrupt is
|
|
* expensive, and since for some reason Chromium doesn't actually
|
|
* validate that instruction, we can just put a jmp there instead. */
|
|
output( "\t.byte 0x4c,0x8b,0xd1\n" ); /* movq %rcx,%r10 */
|
|
output( "\t.byte 0xb8\n" ); /* movl $i,%eax */
|
|
output( "\t.long %u\n", id );
|
|
output( "\t.byte 0xf6,0x04,0x25,0x08,0x03,0xfe,0x7f,0x01\n" ); /* testb $1,0x7ffe0308 */
|
|
output( "\t.byte 0x75,0x03\n" ); /* jne 1f */
|
|
output( "\t.byte 0x0f,0x05\n" ); /* syscall */
|
|
output( "\t.byte 0xc3\n" ); /* ret */
|
|
output( "\tjmp 1f\n" );
|
|
output( "\t.byte 0xc3\n" ); /* ret */
|
|
if (is_pe())
|
|
{
|
|
output( "1:\t.byte 0xff,0x14,0x25\n" ); /* 1: callq *(0x7ffe1000) */
|
|
output( "\t.long 0x7ffe1000\n" );
|
|
}
|
|
else
|
|
{
|
|
output( "\tnop\n" );
|
|
output( "1:\tcallq *%s(%%rip)\n", asm_name("__wine_syscall_dispatcher") );
|
|
}
|
|
output( "\tret\n" );
|
|
break;
|
|
case CPU_ARM:
|
|
output( "\tpush {r0-r3}\n" );
|
|
output( "\tmovw ip, #%u\n", id );
|
|
output( "\tmov r3, lr\n" );
|
|
output( "\tbl %s\n", asm_name("__wine_syscall") );
|
|
output( "\tbx lr\n" );
|
|
break;
|
|
case CPU_ARM64:
|
|
output( "\tmov x8, #%u\n", id );
|
|
output( "\tmov x9, x30\n" );
|
|
output( "\tbl %s\n", asm_name("__wine_syscall" ));
|
|
output( "\tret\n" );
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
output_cfi( ".cfi_endproc" );
|
|
output_function_size( name );
|
|
}
|
|
|
|
switch (target.cpu)
|
|
{
|
|
case CPU_i386:
|
|
if (UsePIC) break;
|
|
output( "\t.align %d\n", get_alignment(16) );
|
|
output( "\t%s\n", func_declaration("__wine_syscall") );
|
|
output( "%s:\n", asm_name("__wine_syscall") );
|
|
output( "\tjmp *(%s)\n", asm_name("__wine_syscall_dispatcher") );
|
|
output_function_size( "__wine_syscall" );
|
|
break;
|
|
case CPU_ARM:
|
|
output( "\t.align %d\n", get_alignment(16) );
|
|
output( "\t%s\n", func_declaration("__wine_syscall") );
|
|
output( "%s:\n", asm_name("__wine_syscall") );
|
|
if (UsePIC)
|
|
{
|
|
output( "\tldr r0, 2f\n");
|
|
output( "1:\tadd r0, pc\n" );
|
|
}
|
|
else
|
|
{
|
|
output( "\tmovw r0, :lower16:%s\n", asm_name("__wine_syscall_dispatcher") );
|
|
output( "\tmovt r0, :upper16:%s\n", asm_name("__wine_syscall_dispatcher") );
|
|
}
|
|
output( "\tldr r0, [r0]\n");
|
|
output( "\tbx r0\n");
|
|
if (UsePIC) output( "2:\t.long %s-1b-%u\n", asm_name("__wine_syscall_dispatcher"), thumb_mode ? 4 : 8 );
|
|
output_function_size( "__wine_syscall" );
|
|
break;
|
|
case CPU_ARM64:
|
|
output( "\t.align %d\n", get_alignment(16) );
|
|
output( "\t%s\n", func_declaration("__wine_syscall") );
|
|
output( "%s:\n", asm_name("__wine_syscall") );
|
|
output( "\tadrp x16, %s\n", arm64_page( asm_name("__wine_syscall_dispatcher") ) );
|
|
output( "\tldr x16, [x16, #%s]\n", arm64_pageoff( asm_name("__wine_syscall_dispatcher") ) );
|
|
output( "\tbr x16\n");
|
|
output_function_size( "__wine_syscall" );
|
|
default:
|
|
break;
|
|
}
|
|
output( "\t.data\n" );
|
|
output( "\t.align %d\n", get_alignment( get_ptr_size() ) );
|
|
output( "%s\n", asm_globl("__wine_syscall_dispatcher") );
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() );
|
|
output( "\t.short %u\n", count );
|
|
for (i = 0; i < count; i++) output( "\t.byte %u\n", get_args_size( syscalls[i] ));
|
|
}
|
|
|
|
|
|
/* output the import and delayed import tables of a Win32 module */
|
|
void output_imports( DLLSPEC *spec )
|
|
{
|
|
if (is_pe()) return;
|
|
output_immediate_imports();
|
|
output_delayed_imports( spec );
|
|
output_immediate_import_thunks();
|
|
output_delayed_import_thunks( spec );
|
|
output_external_link_imports( spec );
|
|
}
|
|
|
|
/* create a new asm temp file */
|
|
static void new_output_as_file(void)
|
|
{
|
|
char *name;
|
|
|
|
if (output_file) fclose( output_file );
|
|
name = open_temp_output_file( ".s" );
|
|
strarray_add( &as_files, name );
|
|
}
|
|
|
|
/* assemble all the asm files */
|
|
static void assemble_files( const char *prefix )
|
|
{
|
|
unsigned int i;
|
|
|
|
if (output_file) fclose( output_file );
|
|
output_file = NULL;
|
|
|
|
for (i = 0; i < as_files.count; i++)
|
|
{
|
|
char *obj = get_temp_file_name( prefix, ".o" );
|
|
assemble_file( as_files.str[i], obj );
|
|
as_files.str[i] = obj;
|
|
}
|
|
}
|
|
|
|
/* build a library from the current asm files and any additional object files in argv */
|
|
static void build_library( const char *output_name, struct strarray files, int create )
|
|
{
|
|
struct strarray args;
|
|
|
|
if (!create || target.platform != PLATFORM_WINDOWS)
|
|
{
|
|
args = find_tool( "ar", NULL );
|
|
strarray_add( &args, create ? "rc" : "r" );
|
|
strarray_add( &args, output_name );
|
|
}
|
|
else
|
|
{
|
|
args = find_link_tool();
|
|
strarray_add( &args, "/lib" );
|
|
strarray_add( &args, strmake( "-out:%s", output_name ));
|
|
}
|
|
strarray_addall( &args, as_files );
|
|
strarray_addall( &args, files );
|
|
if (create) unlink( output_name );
|
|
spawn( args );
|
|
|
|
if (target.platform != PLATFORM_WINDOWS)
|
|
{
|
|
struct strarray ranlib = find_tool( "ranlib", NULL );
|
|
strarray_add( &ranlib, output_name );
|
|
spawn( ranlib );
|
|
}
|
|
}
|
|
|
|
/* create a Windows-style import library */
|
|
static void build_windows_import_lib( const char *lib_name, DLLSPEC *spec )
|
|
{
|
|
struct strarray args;
|
|
char *def_file;
|
|
|
|
def_file = open_temp_output_file( ".def" );
|
|
output_def_file( spec, 1 );
|
|
fclose( output_file );
|
|
|
|
args = find_tool( "dlltool", NULL );
|
|
strarray_add( &args, "-k" );
|
|
strarray_add( &args, strendswith( lib_name, ".delay.a" ) ? "-y" : "-l" );
|
|
strarray_add( &args, lib_name );
|
|
strarray_add( &args, "-d" );
|
|
strarray_add( &args, def_file );
|
|
|
|
switch (target.cpu)
|
|
{
|
|
case CPU_i386:
|
|
strarray_add( &args, "-m" );
|
|
strarray_add( &args, "i386" );
|
|
strarray_add( &args, "--as-flags=--32" );
|
|
break;
|
|
case CPU_x86_64:
|
|
strarray_add( &args, "-m" );
|
|
strarray_add( &args, "i386:x86-64" );
|
|
strarray_add( &args, "--as-flags=--64" );
|
|
break;
|
|
case CPU_ARM:
|
|
strarray_add( &args, "-m" );
|
|
strarray_add( &args, "arm" );
|
|
break;
|
|
case CPU_ARM64:
|
|
strarray_add( &args, "-m" );
|
|
strarray_add( &args, "arm64" );
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
spawn( args );
|
|
}
|
|
|
|
/* create a Unix-style import library */
|
|
static void build_unix_import_lib( DLLSPEC *spec )
|
|
{
|
|
int i, total;
|
|
const char *name, *prefix;
|
|
char *dll_name = encode_dll_name( spec->file_name );
|
|
|
|
/* entry points */
|
|
|
|
for (i = total = 0; i < spec->nb_entry_points; i++)
|
|
{
|
|
const ORDDEF *odp = &spec->entry_points[i];
|
|
|
|
if (odp->name) name = odp->name;
|
|
else if (odp->export_name) name = odp->export_name;
|
|
else continue;
|
|
|
|
if (odp->flags & FLAG_PRIVATE) continue;
|
|
total++;
|
|
|
|
/* C++ mangled names cannot be imported */
|
|
if (strpbrk( name, "?@" )) continue;
|
|
|
|
switch(odp->type)
|
|
{
|
|
case TYPE_VARARGS:
|
|
case TYPE_CDECL:
|
|
case TYPE_STDCALL:
|
|
prefix = (!odp->name || (odp->flags & FLAG_ORDINAL)) ? import_ord_prefix : import_func_prefix;
|
|
new_output_as_file();
|
|
output( "\t.text\n" );
|
|
output( "\n\t.align %d\n", get_alignment( get_ptr_size() ));
|
|
output( "\t%s\n", func_declaration( name ) );
|
|
output( "%s\n", asm_globl( name ) );
|
|
output( "\t%s %s%s$%u$%s\n", get_asm_ptr_keyword(),
|
|
asm_name( prefix ), dll_name, odp->ordinal, name );
|
|
output_function_size( name );
|
|
output_gnu_stack_note();
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
if (!total) warning( "%s: Import library doesn't export anything\n", spec->file_name );
|
|
|
|
if (!as_files.count) /* create a dummy file to avoid empty import libraries */
|
|
{
|
|
new_output_as_file();
|
|
output( "\t.text\n" );
|
|
}
|
|
|
|
assemble_files( spec->file_name );
|
|
free( dll_name );
|
|
}
|
|
|
|
/* output an import library for a Win32 module and additional object files */
|
|
void output_static_lib( DLLSPEC *spec, struct strarray files )
|
|
{
|
|
if (is_pe())
|
|
{
|
|
if (spec) build_windows_import_lib( output_file_name, spec );
|
|
if (files.count || !spec) build_library( output_file_name, files, !spec );
|
|
}
|
|
else
|
|
{
|
|
if (spec) build_unix_import_lib( spec );
|
|
build_library( output_file_name, files, 1 );
|
|
}
|
|
}
|