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 /* Copied from dlls/msvcrt/cxx.h */
  22 #undef __thiscall
  23 #ifdef __i386__  /* thiscall functions are i386-specific */
  24
  25 #define THISCALL(func) __thiscall_ ## func
  26 #define THISCALL_NAME(func) __ASM_NAME("__thiscall_" #func)
  27 #define __thiscall __stdcall
  28 #define DEFINE_THISCALL_WRAPPER(func,args) \
  29     extern void THISCALL(func)(void); \
  30     __ASM_GLOBAL_FUNC(__thiscall_ ## func, \
  31                       "popl %eax\n\t" \
  32                       "pushl %ecx\n\t" \
  33                       "pushl %eax\n\t" \
  34                       "jmp " __ASM_NAME(#func) __ASM_STDCALL(args) )
  35 #else /* __i386__ */
  36
  37 #define THISCALL(func) func
  38 #define THISCALL_NAME(func) __ASM_NAME(#func)
  39 #define __thiscall __cdecl
  40 #define DEFINE_THISCALL_WRAPPER(func,args) /* nothing */
  41
  42 #endif /* __i386__ */
  43
  44 #ifdef _WIN64
  45
  46 #define VTABLE_ADD_FUNC(name) "\t.quad " THISCALL_NAME(name) "\n"
  47
  48 #define __ASM_VTABLE(name,funcs) \
  49     __asm__(".data\n" \
  50             "\t.balign 8\n" \
  51             "\t.quad " __ASM_NAME(#name "_rtti") "\n" \
  52             "\t.globl " __ASM_NAME("MSVCP_" #name "_vtable") "\n" \
  53             __ASM_NAME("MSVCP_" #name "_vtable") ":\n" \
  54             funcs "\n\t.text")
  55
  56 #else
  57
  58 #define VTABLE_ADD_FUNC(name) "\t.long " THISCALL_NAME(name) "\n"
  59
  60 #define __ASM_VTABLE(name,funcs) \
  61     __asm__(".data\n" \
  62             "\t.balign 4\n" \
  63             "\t.long " __ASM_NAME(#name "_rtti") "\n" \
  64             "\t.globl " __ASM_NAME("MSVCP_" #name "_vtable") "\n" \
  65             __ASM_NAME("MSVCP_" #name "_vtable") ":\n" \
  66             funcs "\n\t.text")
  67
  68 #endif /* _WIN64 */
  69
  70 #ifndef __x86_64__
  71
  72 #define DEFINE_RTTI_DATA(name, off, base_classes_no, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) \
  73     static type_info name ## _type_info = { \
  74         &MSVCP_type_info_vtable, \
  75         NULL, \
  76         mangled_name \
  77     }; \
  78 \
  79 static const rtti_base_descriptor name ## _rtti_base_descriptor = { \
  80     &name ##_type_info, \
  81     base_classes_no, \
  82     { 0, -1, 0}, \
  83     64 \
  84 }; \
  85 \
  86 static const rtti_base_array name ## _rtti_base_array = { \
  87     { \
  88         &name ## _rtti_base_descriptor, \
  89         cl1, \
  90         cl2, \
  91         cl3, \
  92         cl4, \
  93         cl5, \
  94         cl6, \
  95         cl7, \
  96         cl8, \
  97         cl9, \
  98     } \
  99 }; \
 100 \
 101 static const rtti_object_hierarchy name ## _hierarchy = { \
 102     0, \
 103     0, \
 104     base_classes_no+1, \
 105     &name ## _rtti_base_array \
 106 }; \
 107 \
 108 const rtti_object_locator name ## _rtti = { \
 109     0, \
 110     off, \
 111     0, \
 112     &name ## _type_info, \
 113     &name ## _hierarchy \
 114 };
 115
 116 #define DEFINE_CXX_TYPE_INFO(type) \
 117 static const cxx_type_info type ## _cxx_type_info = { \
 118     0, \
 119     & type ##_type_info, \
 120     { 0, -1, 0 }, \
 121     sizeof(type), \
 122     (cxx_copy_ctor)THISCALL(MSVCP_ ## type ##_copy_ctor) \
 123 };
 124
 125 #define DEFINE_CXX_DATA(type, base_no, cl1, cl2, cl3, cl4, dtor)  \
 126 DEFINE_CXX_TYPE_INFO(type) \
 127 \
 128 static const cxx_type_info_table type ## _cxx_type_table = { \
 129     base_no+1, \
 130     { \
 131         & type ## _cxx_type_info, \
 132         cl1, \
 133         cl2, \
 134         cl3, \
 135         cl4  \
 136     } \
 137 }; \
 138 \
 139 static const cxx_exception_type type ## _cxx_type = { \
 140     0, \
 141     (cxx_copy_ctor)THISCALL(dtor), \
 142     NULL, \
 143     & type ## _cxx_type_table \
 144 };
 145
 146 #else
 147
 148 #define DEFINE_RTTI_DATA(name, off, base_classes_no, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) \
 149     static type_info name ## _type_info = { \
 150         &MSVCP_type_info_vtable, \
 151         NULL, \
 152         mangled_name \
 153     }; \
 154 \
 155 static rtti_base_descriptor name ## _rtti_base_descriptor = { \
 156     0xdeadbeef, \
 157     base_classes_no, \
 158     { 0, -1, 0}, \
 159     64 \
 160 }; \
 161 \
 162 static rtti_base_array name ## _rtti_base_array = { \
 163     { \
 164         0xdeadbeef, \
 165         0xdeadbeef, \
 166         0xdeadbeef, \
 167         0xdeadbeef, \
 168         0xdeadbeef, \
 169         0xdeadbeef, \
 170         0xdeadbeef, \
 171         0xdeadbeef, \
 172         0xdeadbeef, \
 173         0xdeadbeef, \
 174     } \
 175 }; \
 176 \
 177 static rtti_object_hierarchy name ## _hierarchy = { \
 178     0, \
 179     0, \
 180     base_classes_no+1, \
 181     0xdeadbeef \
 182 }; \
 183 \
 184 rtti_object_locator name ## _rtti = { \
 185     1, \
 186     off, \
 187     0, \
 188     0xdeadbeef, \
 189     0xdeadbeef, \
 190     0xdeadbeef \
 191 };\
 192 \
 193 static void init_ ## name ## _rtti(char *base) \
 194 { \
 195     name ## _rtti_base_descriptor.type_descriptor = (char*)&name ## _type_info - base; \
 196     name ## _rtti_base_array.bases[0] = (char*)&name ## _rtti_base_descriptor - base; \
 197     name ## _rtti_base_array.bases[1] = (char*)cl1 - base; \
 198     name ## _rtti_base_array.bases[2] = (char*)cl2 - base; \
 199     name ## _rtti_base_array.bases[3] = (char*)cl3 - base; \
 200     name ## _rtti_base_array.bases[4] = (char*)cl4 - base; \
 201     name ## _rtti_base_array.bases[5] = (char*)cl5 - base; \
 202     name ## _rtti_base_array.bases[6] = (char*)cl6 - base; \
 203     name ## _rtti_base_array.bases[7] = (char*)cl7 - base; \
 204     name ## _rtti_base_array.bases[8] = (char*)cl8 - base; \
 205     name ## _rtti_base_array.bases[9] = (char*)cl9 - base; \
 206     name ## _hierarchy.base_classes = (char*)&name ## _rtti_base_array - base; \
 207     name ## _rtti.type_descriptor = (char*)&name ## _type_info - base; \
 208     name ## _rtti.type_hierarchy = (char*)&name ## _hierarchy - base; \
 209     name ## _rtti.object_locator = (char*)&name ## _rtti - base; \
 210 }
 211
 212 #define DEFINE_CXX_TYPE_INFO(type) \
 213 static cxx_type_info type ## _cxx_type_info = { \
 214     0, \
 215     0xdeadbeef, \
 216     { 0, -1, 0 }, \
 217     sizeof(type), \
 218     0xdeadbeef \
 219 }; \
 220 \
 221 static void init_ ## type ## _cxx_type_info(char *base) \
 222 { \
 223     type ## _cxx_type_info.type_info  = (char *)&type ## _type_info - base; \
 224     type ## _cxx_type_info.copy_ctor  = (char *)MSVCP_ ## type ## _copy_ctor - base; \
 225 }
 226
 227 #define DEFINE_CXX_DATA(type, base_no, cl1, cl2, cl3, cl4, dtor)  \
 228 \
 229 DEFINE_CXX_TYPE_INFO(type) \
 230 \
 231 static cxx_type_info_table type ## _cxx_type_table = { \
 232     base_no+1, \
 233     { \
 234         0xdeadbeef, \
 235         0xdeadbeef, \
 236         0xdeadbeef, \
 237         0xdeadbeef, \
 238         0xdeadbeef  \
 239     } \
 240 }; \
 241 \
 242 static cxx_exception_type type ##_cxx_type = { \
 243     0, \
 244     0xdeadbeef, \
 245     0, \
 246     0xdeadbeef \
 247 }; \
 248 \
 249 static void init_ ## type ## _cxx(char *base) \
 250 { \
 251     init_ ## type ## _cxx_type_info(base); \
 252     type ## _cxx_type_table.info[0]   = (char *)&type ## _cxx_type_info - base; \
 253     type ## _cxx_type_table.info[1]   = (char *)cl1 - base; \
 254     type ## _cxx_type_table.info[2]   = (char *)cl2 - base; \
 255     type ## _cxx_type_table.info[3]   = (char *)cl3 - base; \
 256     type ## _cxx_type_table.info[4]   = (char *)cl4 - base; \
 257     type ## _cxx_type.destructor      = (char *)dtor - base; \
 258     type ## _cxx_type.type_info_table = (char *)&type ## _cxx_type_table - base; \
 259 }
 260
 261 #endif
 262
 263 #define DEFINE_RTTI_DATA0(name, off, mangled_name) \
 264     DEFINE_RTTI_DATA(name, off, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
 265 #define DEFINE_RTTI_DATA1(name, off, cl1, mangled_name) \
 266     DEFINE_RTTI_DATA(name, off, 1, cl1, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
 267 #define DEFINE_RTTI_DATA2(name, off, cl1, cl2, mangled_name) \
 268     DEFINE_RTTI_DATA(name, off, 2, cl1, cl2, NULL, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
 269 #define DEFINE_RTTI_DATA3(name, off, cl1, cl2, cl3, mangled_name) \
 270     DEFINE_RTTI_DATA(name, off, 3, cl1, cl2, cl3, NULL, NULL, NULL, NULL, NULL, NULL, mangled_name)
 271 #define DEFINE_RTTI_DATA4(name, off, cl1, cl2, cl3, cl4, mangled_name) \
 272     DEFINE_RTTI_DATA(name, off, 4, cl1, cl2, cl3, cl4, NULL, NULL, NULL, NULL, NULL, mangled_name)
 273 #define DEFINE_RTTI_DATA8(name, off, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, mangled_name) \
 274     DEFINE_RTTI_DATA(name, off, 8, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, NULL, mangled_name)
 275 #define DEFINE_RTTI_DATA9(name, off, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name) \
 276     DEFINE_RTTI_DATA(name, off, 9, cl1, cl2, cl3, cl4, cl5, cl6, cl7, cl8, cl9, mangled_name)
 277
 278 #define DEFINE_CXX_DATA0(name, dtor) \
 279     DEFINE_CXX_DATA(name, 0, NULL, NULL, NULL, NULL, dtor)
 280 #define DEFINE_CXX_DATA1(name, cl1, dtor) \
 281     DEFINE_CXX_DATA(name, 1, cl1, NULL, NULL, NULL, dtor)
 282 #define DEFINE_CXX_DATA2(name, cl1, cl2, dtor) \
 283     DEFINE_CXX_DATA(name, 2, cl1, cl2, NULL, NULL, dtor)
 284 #define DEFINE_CXX_DATA3(name, cl1, cl2, cl3, dtor) \
 285     DEFINE_CXX_DATA(name, 3, cl1, cl2, cl3, NULL, dtor)
 286 #define DEFINE_CXX_DATA4(name, cl1, cl2, cl3, cl4, dtor) \
 287     DEFINE_CXX_DATA(name, 4, cl1, cl2, cl3, cl4, dtor)
 288
 289 #ifdef __i386__
 290
 291 #define CALL_VTBL_FUNC(this, off, ret, type, args) ((ret (WINAPI*)type)&vtbl_wrapper_##off)args
 292
 293 extern void *vtbl_wrapper_0;
 294 extern void *vtbl_wrapper_4;
 295 extern void *vtbl_wrapper_8;
 296 extern void *vtbl_wrapper_12;
 297 extern void *vtbl_wrapper_16;
 298 extern void *vtbl_wrapper_20;
 299 extern void *vtbl_wrapper_24;
 300 extern void *vtbl_wrapper_28;
 301 extern void *vtbl_wrapper_32;
 302 extern void *vtbl_wrapper_36;
 303 extern void *vtbl_wrapper_40;
 304 extern void *vtbl_wrapper_44;
 305 extern void *vtbl_wrapper_48;
 306 extern void *vtbl_wrapper_52;
 307 extern void *vtbl_wrapper_56;
 308
 309 #else
 310
 311 #define CALL_VTBL_FUNC(this, off, ret, type, args) ((ret (__cdecl***)type)this)[0][off/4]args
 312
 313 #endif
 314
 315 /* exception object */
 316 typedef void (*vtable_ptr)(void);
 317 typedef struct __exception
 318 {
 319     const vtable_ptr *vtable;
 320     char             *name;    /* Name of this exception, always a new copy for each object */
 321     int               do_free; /* Whether to free 'name' in our dtor */
 322 } exception;
 323
 324 /* Internal: throws selected exception */
 325 typedef enum __exception_type {
 326     EXCEPTION_RERAISE,
 327     EXCEPTION,
 328     EXCEPTION_BAD_ALLOC,
 329     EXCEPTION_BAD_CAST,
 330     EXCEPTION_LOGIC_ERROR,
 331     EXCEPTION_LENGTH_ERROR,
 332     EXCEPTION_OUT_OF_RANGE,
 333     EXCEPTION_INVALID_ARGUMENT,
 334     EXCEPTION_RUNTIME_ERROR,
 335     EXCEPTION_FAILURE,
 336     EXCEPTION_RANGE_ERROR,
 337 } exception_type;
 338 void throw_exception(exception_type, const char *);
 339
 340 /* rtti */
 341 typedef struct __type_info
 342 {
 343     const vtable_ptr *vtable;
 344     char              *name;         /* Unmangled name, allocated lazily */
 345     char               mangled[128]; /* Variable length, but we declare it large enough for static RTTI */
 346 } type_info;
 347
 348 extern const vtable_ptr MSVCP_type_info_vtable;
 349
 350 /* offsets for computing the this pointer */
 351 typedef struct
 352 {
 353     int         this_offset;   /* offset of base class this pointer from start of object */
 354     int         vbase_descr;   /* offset of virtual base class descriptor */
 355     int         vbase_offset;  /* offset of this pointer offset in virtual base class descriptor */
 356 } this_ptr_offsets;
 357
 358 /* dlls/msvcrt/cppexcept.h */
 359 typedef void (*cxx_copy_ctor)(void);
 360
 361 #ifndef __x86_64__
 362
 363 typedef struct _rtti_base_descriptor
 364 {
 365     const type_info *type_descriptor;
 366     int num_base_classes;
 367     this_ptr_offsets offsets;    /* offsets for computing the this pointer */
 368     unsigned int attributes;
 369 } rtti_base_descriptor;
 370
 371 typedef struct _rtti_base_array
 372 {
 373     const rtti_base_descriptor *bases[10]; /* First element is the class itself */
 374 } rtti_base_array;
 375
 376 typedef struct _rtti_object_hierarchy
 377 {
 378     unsigned int signature;
 379     unsigned int attributes;
 380     int array_len; /* Size of the array pointed to by 'base_classes' */
 381     const rtti_base_array *base_classes;
 382 } rtti_object_hierarchy;
 383
 384 typedef struct _rtti_object_locator
 385 {
 386     unsigned int signature;
 387     int base_class_offset;
 388     unsigned int flags;
 389     const type_info *type_descriptor;
 390     const rtti_object_hierarchy *type_hierarchy;
 391 } rtti_object_locator;
 392
 393 typedef struct
 394 {
 395     UINT flags;
 396     const type_info *type_info;
 397     this_ptr_offsets offsets;
 398     unsigned int size;
 399     cxx_copy_ctor copy_ctor;
 400 } cxx_type_info;
 401
 402 typedef struct
 403 {
 404     UINT count;
 405     const cxx_type_info *info[5];
 406 } cxx_type_info_table;
 407
 408 typedef struct
 409 {
 410     UINT flags;
 411     void (*destructor)(void);
 412     void* /*cxx_exc_custom_handler*/ custom_handler;
 413     const cxx_type_info_table *type_info_table;
 414 } cxx_exception_type;
 415
 416 #else
 417
 418 typedef struct
 419 {
 420     unsigned int type_descriptor;
 421     int num_base_classes;
 422     this_ptr_offsets offsets;    /* offsets for computing the this pointer */
 423     unsigned int attributes;
 424 } rtti_base_descriptor;
 425
 426 typedef struct
 427 {
 428     unsigned int bases[10]; /* First element is the class itself */
 429 } rtti_base_array;
 430
 431 typedef struct
 432 {
 433     unsigned int signature;
 434     unsigned int attributes;
 435     int array_len; /* Size of the array pointed to by 'base_classes' */
 436     unsigned int base_classes;
 437 } rtti_object_hierarchy;
 438
 439 typedef struct
 440 {
 441     unsigned int signature;
 442     int base_class_offset;
 443     unsigned int flags;
 444     unsigned int type_descriptor;
 445     unsigned int type_hierarchy;
 446     unsigned int object_locator;
 447 } rtti_object_locator;
 448
 449 typedef struct
 450 {
 451     UINT flags;
 452     unsigned int type_info;
 453     this_ptr_offsets offsets;
 454     unsigned int size;
 455     unsigned int copy_ctor;
 456 } cxx_type_info;
 457
 458 typedef struct
 459 {
 460     UINT count;
 461     unsigned int info[5];
 462 } cxx_type_info_table;
 463
 464 typedef struct
 465 {
 466     UINT flags;
 467     unsigned int destructor;
 468     unsigned int custom_handler;
 469     unsigned int type_info_table;
 470 } cxx_exception_type;
 471
 472 #endif