dlls/msvcp90/cxx.h

   1 /*
   2  * Copyright 2012 Piotr Caban for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "wine/asm.h"
  20
  21 #ifdef _WIN64
  22
  23 #define VTABLE_ADD_FUNC(name) "\t.quad " THISCALL_NAME(name) "\n"
  24
  25 #define __ASM_VTABLE(name,funcs) \
  26     __asm__(".data\n" \
  27             "\t.balign 8\n" \
  28             "\t.quad " __ASM_NAME(#name "_rtti") "\n" \
  29             "\t.globl " __ASM_NAME("MSVCP_" #name "_vtable") "\n" \
  30             __ASM_NAME("MSVCP_" #name "_vtable") ":\n" \
  31             funcs "\n\t.text")
  32
  33 #else
  34
  35 #define VTABLE_ADD_FUNC(name) "\t.long " THISCALL_NAME(name) "\n"
  36
  37 #define __ASM_VTABLE(name,funcs) \
  38     __asm__(".data\n" \
  39             "\t.balign 4\n" \
  40             "\t.long " __ASM_NAME(#name "_rtti") "\n" \
  41             "\t.globl " __ASM_NAME("MSVCP_" #name "_vtable") "\n" \
  42             __ASM_NAME("MSVCP_" #name "_vtable") ":\n" \
  43             funcs "\n\t.text")
  44
  45 #endif /* _WIN64 */
  46
  47 #ifndef __x86_64__
  48
  49 #define DEFINE_RTTI_DATA(name, off, base_classes_no, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) \
  50     static type_info name ## _type_info = { \
  51         &MSVCP_type_info_vtable, \
  52         NULL, \
  53         mangled_name \
  54     }; \
  55 \
  56 static const rtti_base_descriptor name ## _rtti_base_descriptor = { \
  57     &name ##_type_info, \
  58     base_classes_no, \
  59     { 0, -1, 0}, \
  60     64 \
  61 }; \
  62 \
  63 static const rtti_base_array name ## _rtti_base_array = { \
  64     { \
  65         &name ## _rtti_base_descriptor, \
  66         cl1, \
  67         cl2, \
  68         cl3, \
  69         cl4, \
  70         cl5, \
  71         cl6, \
  72         cl7, \
  73         cl8, \
  74         cl9, \
  75     } \
  76 }; \
  77 \
  78 static const rtti_object_hierarchy name ## _hierarchy = { \
  79     0, \
  80     0, \
  81     base_classes_no+1, \
  82     &name ## _rtti_base_array \
  83 }; \
  84 \
  85 const rtti_object_locator name ## _rtti = { \
  86     0, \
  87     off, \
  88     0, \
  89     &name ## _type_info, \
  90     &name ## _hierarchy \
  91 };
  92
  93 #define DEFINE_CXX_TYPE_INFO(type) \
  94 static const cxx_type_info type ## _cxx_type_info = { \
  95     0, \
  96     & type ##_type_info, \
  97     { 0, -1, 0 }, \
  98     sizeof(type), \
  99     (cxx_copy_ctor)THISCALL(MSVCP_ ## type ##_copy_ctor) \
 100 };
 101
 102 #define DEFINE_CXX_DATA(type, base_no, cl1, cl2, cl3, cl4, dtor)  \
 103 DEFINE_CXX_TYPE_INFO(type) \
 104 \
 105 static const cxx_type_info_table type ## _cxx_type_table = { \
 106     base_no+1, \
 107     { \
 108         & type ## _cxx_type_info, \
 109         cl1, \
 110         cl2, \
 111         cl3, \
 112         cl4  \
 113     } \
 114 }; \
 115 \
 116 static const cxx_exception_type type ## _cxx_type = { \
 117     0, \
 118     (cxx_copy_ctor)THISCALL(dtor), \
 119     NULL, \
 120     & type ## _cxx_type_table \
 121 };
 122
 123 #else
 124
 125 #define DEFINE_RTTI_DATA(name, off, base_classes_no, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) \
 126     static type_info name ## _type_info = { \
 127         &MSVCP_type_info_vtable, \
 128         NULL, \
 129         mangled_name \
 130     }; \
 131 \
 132 static rtti_base_descriptor name ## _rtti_base_descriptor = { \
 133     0xdeadbeef, \
 134     base_classes_no, \
 135     { 0, -1, 0}, \
 136     64 \
 137 }; \
 138 \
 139 static rtti_base_array name ## _rtti_base_array = { \
 140     { \
 141         0xdeadbeef, \
 142         0xdeadbeef, \
 143         0xdeadbeef, \
 144         0xdeadbeef, \
 145         0xdeadbeef, \
 146         0xdeadbeef, \
 147         0xdeadbeef, \
 148         0xdeadbeef, \
 149         0xdeadbeef, \
 150         0xdeadbeef, \
 151     } \
 152 }; \
 153 \
 154 static rtti_object_hierarchy name ## _hierarchy = { \
 155     0, \
 156     0, \
 157     base_classes_no+1, \
 158     0xdeadbeef \
 159 }; \
 160 \
 161 rtti_object_locator name ## _rtti = { \
 162     1, \
 163     off, \
 164     0, \
 165     0xdeadbeef, \
 166     0xdeadbeef, \
 167     0xdeadbeef \
 168 };\
 169 \
 170 static void init_ ## name ## _rtti(char *base) \
 171 { \
 172     name ## _rtti_base_descriptor.type_descriptor = (char*)&name ## _type_info - base; \
 173     name ## _rtti_base_array.bases[0] = (char*)&name ## _rtti_base_descriptor - base; \
 174     name ## _rtti_base_array.bases[1] = (char*)cl1 - base; \
 175     name ## _rtti_base_array.bases[2] = (char*)cl2 - base; \
 176     name ## _rtti_base_array.bases[3] = (char*)cl3 - base; \
 177     name ## _rtti_base_array.bases[4] = (char*)cl4 - base; \
 178     name ## _rtti_base_array.bases[5] = (char*)cl5 - base; \
 179     name ## _rtti_base_array.bases[6] = (char*)cl6 - base; \
 180     name ## _rtti_base_array.bases[7] = (char*)cl7 - base; \
 181     name ## _rtti_base_array.bases[8] = (char*)cl8 - base; \
 182     name ## _rtti_base_array.bases[9] = (char*)cl9 - base; \
 183     name ## _hierarchy.base_classes = (char*)&name ## _rtti_base_array - base; \
 184     name ## _rtti.type_descriptor = (char*)&name ## _type_info - base; \
 185     name ## _rtti.type_hierarchy = (char*)&name ## _hierarchy - base; \
 186     name ## _rtti.object_locator = (char*)&name ## _rtti - base; \
 187 }
 188
 189 #define DEFINE_CXX_TYPE_INFO(type) \
 190 static cxx_type_info type ## _cxx_type_info = { \
 191     0, \
 192     0xdeadbeef, \
 193     { 0, -1, 0 }, \
 194     sizeof(type), \
 195     0xdeadbeef \
 196 }; \
 197 \
 198 static void init_ ## type ## _cxx_type_info(char *base) \
 199 { \
 200     type ## _cxx_type_info.type_info  = (char *)&type ## _type_info - base; \
 201     type ## _cxx_type_info.copy_ctor  = (char *)MSVCP_ ## type ## _copy_ctor - base; \
 202 }
 203
 204 #define DEFINE_CXX_DATA(type, base_no, cl1, cl2, cl3, cl4, dtor)  \
 205 \
 206 DEFINE_CXX_TYPE_INFO(type) \
 207 \
 208 static cxx_type_info_table type ## _cxx_type_table = { \
 209     base_no+1, \
 210     { \
 211         0xdeadbeef, \
 212         0xdeadbeef, \
 213         0xdeadbeef, \
 214         0xdeadbeef, \
 215         0xdeadbeef  \
 216     } \
 217 }; \
 218 \
 219 static cxx_exception_type type ##_cxx_type = { \
 220     0, \
 221     0xdeadbeef, \
 222     0, \
 223     0xdeadbeef \
 224 }; \
 225 \
 226 static void init_ ## type ## _cxx(char *base) \
 227 { \
 228     init_ ## type ## _cxx_type_info(base); \
 229     type ## _cxx_type_table.info[0]   = (char *)&type ## _cxx_type_info - base; \
 230     type ## _cxx_type_table.info[1]   = (char *)cl1 - base; \
 231     type ## _cxx_type_table.info[2]   = (char *)cl2 - base; \
 232     type ## _cxx_type_table.info[3]   = (char *)cl3 - base; \
 233     type ## _cxx_type_table.info[4]   = (char *)cl4 - base; \
 234     type ## _cxx_type.destructor      = (char *)dtor - base; \
 235     type ## _cxx_type.type_info_table = (char *)&type ## _cxx_type_table - base; \
 236 }
 237
 238 #endif
 239
 240 #define DEFINE_RTTI_DATA0(name, off, mangled_name) \
 241     DEFINE_RTTI_DATA(name, off, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
 242 #define DEFINE_RTTI_DATA1(name, off, cl1, mangled_name) \
 243     DEFINE_RTTI_DATA(name, off, 1, cl1, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
 244 #define DEFINE_RTTI_DATA2(name, off, cl1, cl2, mangled_name) \
 245     DEFINE_RTTI_DATA(name, off, 2, cl1, cl2, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
 246 #define DEFINE_RTTI_DATA3(name, off, cl1, cl2, cl3, mangled_name) \
 247     DEFINE_RTTI_DATA(name, off, 3, cl1, cl2, cl3, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
 248 #define DEFINE_RTTI_DATA4(name, off, cl1, cl2, cl3, cl4, mangled_name) \
 249     DEFINE_RTTI_DATA(name, off, 4, cl1, cl2, cl3, cl4, NULL, NULL, NULL, NULL, NULL, mangled_name)
 250 #define DEFINE_RTTI_DATA8(name, off, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, mangled_name) \
 251     DEFINE_RTTI_DATA(name, off, 8, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, NULL, mangled_name)
 252 #define DEFINE_RTTI_DATA9(name, off, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) \
 253     DEFINE_RTTI_DATA(name, off, 9, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name)
 254
 255 #define DEFINE_CXX_DATA0(name, dtor) \
 256     DEFINE_CXX_DATA(name, 0, NULL, NULL, NULL, NULL, dtor)
 257 #define DEFINE_CXX_DATA1(name, cl1, dtor) \
 258     DEFINE_CXX_DATA(name, 1, cl1, NULL, NULL, NULL, dtor)
 259 #define DEFINE_CXX_DATA2(name, cl1, cl2, dtor) \
 260     DEFINE_CXX_DATA(name, 2, cl1, cl2, NULL, NULL, dtor)
 261 #define DEFINE_CXX_DATA3(name, cl1, cl2, cl3, dtor) \
 262     DEFINE_CXX_DATA(name, 3, cl1, cl2, cl3, NULL, dtor)
 263 #define DEFINE_CXX_DATA4(name, cl1, cl2, cl3, cl4, dtor) \
 264     DEFINE_CXX_DATA(name, 4, cl1, cl2, cl3, cl4, dtor)
 265
 266 #ifdef __ASM_USE_THISCALL_WRAPPER
 267
 268 #define CALL_VTBL_FUNC(this, off, ret, type, args) ((ret (WINAPI*)type)&vtbl_wrapper_##off)args
 269
 270 extern void *vtbl_wrapper_0;
 271 extern void *vtbl_wrapper_4;
 272 extern void *vtbl_wrapper_8;
 273 extern void *vtbl_wrapper_12;
 274 extern void *vtbl_wrapper_16;
 275 extern void *vtbl_wrapper_20;
 276 extern void *vtbl_wrapper_24;
 277 extern void *vtbl_wrapper_28;
 278 extern void *vtbl_wrapper_32;
 279 extern void *vtbl_wrapper_36;
 280 extern void *vtbl_wrapper_40;
 281 extern void *vtbl_wrapper_44;
 282 extern void *vtbl_wrapper_48;
 283 extern void *vtbl_wrapper_52;
 284 extern void *vtbl_wrapper_56;
 285
 286 #else
 287
 288 #define CALL_VTBL_FUNC(this, off, ret, type, args) ((ret (__thiscall***)type)this)[0][off/4]args
 289
 290 #endif
 291
 292 /* exception object */
 293 typedef void (*vtable_ptr)(void);
 294 typedef struct __exception
 295 {
 296     const vtable_ptr *vtable;
 297     char             *name;    /* Name of this exception, always a new copy for each object */
 298     int               do_free; /* Whether to free 'name' in our dtor */
 299 } exception;
 300
 301 /* Internal: throws selected exception */
 302 typedef enum __exception_type {
 303     EXCEPTION_RERAISE,
 304     EXCEPTION,
 305     EXCEPTION_BAD_ALLOC,
 306     EXCEPTION_BAD_CAST,
 307     EXCEPTION_LOGIC_ERROR,
 308     EXCEPTION_LENGTH_ERROR,
 309     EXCEPTION_OUT_OF_RANGE,
 310     EXCEPTION_INVALID_ARGUMENT,
 311     EXCEPTION_RUNTIME_ERROR,
 312     EXCEPTION_FAILURE,
 313     EXCEPTION_RANGE_ERROR,
 314 } exception_type;
 315 void throw_exception(exception_type, const char *);
 316
 317 /* rtti */
 318 typedef struct __type_info
 319 {
 320     const vtable_ptr *vtable;
 321     char              *name;         /* Unmangled name, allocated lazily */
 322     char               mangled[128]; /* Variable length, but we declare it large enough for static RTTI */
 323 } type_info;
 324
 325 extern const vtable_ptr MSVCP_type_info_vtable;
 326
 327 /* offsets for computing the this pointer */
 328 typedef struct
 329 {
 330     int         this_offset;   /* offset of base class this pointer from start of object */
 331     int         vbase_descr;   /* offset of virtual base class descriptor */
 332     int         vbase_offset;  /* offset of this pointer offset in virtual base class descriptor */
 333 } this_ptr_offsets;
 334
 335 /* dlls/msvcrt/cppexcept.h */
 336 typedef void (*cxx_copy_ctor)(void);
 337
 338 #ifndef __x86_64__
 339
 340 typedef struct _rtti_base_descriptor
 341 {
 342     const type_info *type_descriptor;
 343     int num_base_classes;
 344     this_ptr_offsets offsets;    /* offsets for computing the this pointer */
 345     unsigned int attributes;
 346 } rtti_base_descriptor;
 347
 348 typedef struct _rtti_base_array
 349 {
 350     const rtti_base_descriptor *bases[10]; /* First element is the class itself */
 351 } rtti_base_array;
 352
 353 typedef struct _rtti_object_hierarchy
 354 {
 355     unsigned int signature;
 356     unsigned int attributes;
 357     int array_len; /* Size of the array pointed to by 'base_classes' */
 358     const rtti_base_array *base_classes;
 359 } rtti_object_hierarchy;
 360
 361 typedef struct _rtti_object_locator
 362 {
 363     unsigned int signature;
 364     int base_class_offset;
 365     unsigned int flags;
 366     const type_info *type_descriptor;
 367     const rtti_object_hierarchy *type_hierarchy;
 368 } rtti_object_locator;
 369
 370 typedef struct
 371 {
 372     UINT flags;
 373     const type_info *type_info;
 374     this_ptr_offsets offsets;
 375     unsigned int size;
 376     cxx_copy_ctor copy_ctor;
 377 } cxx_type_info;
 378
 379 typedef struct
 380 {
 381     UINT count;
 382     const cxx_type_info *info[5];
 383 } cxx_type_info_table;
 384
 385 typedef struct
 386 {
 387     UINT flags;
 388     void (*destructor)(void);
 389     void* /*cxx_exc_custom_handler*/ custom_handler;
 390     const cxx_type_info_table *type_info_table;
 391 } cxx_exception_type;
 392
 393 #else
 394
 395 typedef struct
 396 {
 397     unsigned int type_descriptor;
 398     int num_base_classes;
 399     this_ptr_offsets offsets;    /* offsets for computing the this pointer */
 400     unsigned int attributes;
 401 } rtti_base_descriptor;
 402
 403 typedef struct
 404 {
 405     unsigned int bases[10]; /* First element is the class itself */
 406 } rtti_base_array;
 407
 408 typedef struct
 409 {
 410     unsigned int signature;
 411     unsigned int attributes;
 412     int array_len; /* Size of the array pointed to by 'base_classes' */
 413     unsigned int base_classes;
 414 } rtti_object_hierarchy;
 415
 416 typedef struct
 417 {
 418     unsigned int signature;
 419     int base_class_offset;
 420     unsigned int flags;
 421     unsigned int type_descriptor;
 422     unsigned int type_hierarchy;
 423     unsigned int object_locator;
 424 } rtti_object_locator;
 425
 426 typedef struct
 427 {
 428     UINT flags;
 429     unsigned int type_info;
 430     this_ptr_offsets offsets;
 431     unsigned int size;
 432     unsigned int copy_ctor;
 433 } cxx_type_info;
 434
 435 typedef struct
 436 {
 437     UINT count;
 438     unsigned int info[5];
 439 } cxx_type_info_table;
 440
 441 typedef struct
 442 {
 443     UINT flags;
 444     unsigned int destructor;
 445     unsigned int custom_handler;
 446     unsigned int type_info_table;
 447 } cxx_exception_type;
 448
 449 #endif