dlls/winecrt0/exception.c

   1 /*
   2  * Support functions for Wine exception handling
   3  *
   4  * Copyright (c) 1999, 2010 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include "winternl.h"
  23 #include "wine/exception.h"
  24 #include "wine/asm.h"
  25
  26 #if defined(__GNUC__) || defined(__clang__)
  27
  28 #if defined(__i386__)
  29
  30 __ASM_GLOBAL_FUNC( __wine_setjmpex,
  31                    "movl 4(%esp),%ecx\n\t"   /* jmp_buf */
  32                    "movl %ebp,0(%ecx)\n\t"   /* jmp_buf.Ebp */
  33                    "movl %ebx,4(%ecx)\n\t"   /* jmp_buf.Ebx */
  34                    "movl %edi,8(%ecx)\n\t"   /* jmp_buf.Edi */
  35                    "movl %esi,12(%ecx)\n\t"  /* jmp_buf.Esi */
  36                    "movl %esp,16(%ecx)\n\t"  /* jmp_buf.Esp */
  37                    "movl 0(%esp),%eax\n\t"
  38                    "movl %eax,20(%ecx)\n\t"  /* jmp_buf.Eip */
  39                    "xorl %eax,%eax\n\t"
  40                    "ret" )
  41
  42 __ASM_GLOBAL_FUNC( __wine_longjmp,
  43                    "movl 4(%esp),%ecx\n\t"   /* jmp_buf */
  44                    "movl 8(%esp),%eax\n\t"   /* retval */
  45                    "movl 0(%ecx),%ebp\n\t"   /* jmp_buf.Ebp */
  46                    "movl 4(%ecx),%ebx\n\t"   /* jmp_buf.Ebx */
  47                    "movl 8(%ecx),%edi\n\t"   /* jmp_buf.Edi */
  48                    "movl 12(%ecx),%esi\n\t"  /* jmp_buf.Esi */
  49                    "movl 16(%ecx),%esp\n\t"  /* jmp_buf.Esp */
  50                    "addl $4,%esp\n\t"        /* get rid of return address */
  51                    "jmp *20(%ecx)\n\t"       /* jmp_buf.Eip */ )
  52
  53 __ASM_GLOBAL_FUNC( __wine_rtl_unwind,
  54                    "pushl %ebp\n\t"
  55                    __ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
  56                    __ASM_CFI(".cfi_rel_offset %ebp,0\n\t")
  57                    "movl %esp,%ebp\n\t"
  58                    __ASM_CFI(".cfi_def_cfa_register %ebp\n\t")
  59                    "subl $8,%esp\n\t"
  60                    "pushl $0\n\t"       /* retval */
  61                    "pushl 12(%ebp)\n\t" /* record */
  62                    "pushl 16(%ebp)\n\t" /* target */
  63                    "pushl 8(%ebp)\n\t"  /* frame */
  64                    "call " __ASM_STDCALL("RtlUnwind",16) "\n\t"
  65                    "call *16(%ebp)" )
  66
  67 #elif defined(__x86_64__)
  68
  69 __ASM_GLOBAL_FUNC( __wine_setjmpex,
  70                    "movq %rdx,(%rcx)\n\t"          /* jmp_buf->Frame */
  71                    "movq %rbx,0x8(%rcx)\n\t"       /* jmp_buf->Rbx */
  72                    "leaq 0x8(%rsp),%rax\n\t"
  73                    "movq %rax,0x10(%rcx)\n\t"      /* jmp_buf->Rsp */
  74                    "movq %rbp,0x18(%rcx)\n\t"      /* jmp_buf->Rbp */
  75                    "movq %rsi,0x20(%rcx)\n\t"      /* jmp_buf->Rsi */
  76                    "movq %rdi,0x28(%rcx)\n\t"      /* jmp_buf->Rdi */
  77                    "movq %r12,0x30(%rcx)\n\t"      /* jmp_buf->R12 */
  78                    "movq %r13,0x38(%rcx)\n\t"      /* jmp_buf->R13 */
  79                    "movq %r14,0x40(%rcx)\n\t"      /* jmp_buf->R14 */
  80                    "movq %r15,0x48(%rcx)\n\t"      /* jmp_buf->R15 */
  81                    "movq (%rsp),%rax\n\t"
  82                    "movq %rax,0x50(%rcx)\n\t"      /* jmp_buf->Rip */
  83                    "movdqa %xmm6,0x60(%rcx)\n\t"   /* jmp_buf->Xmm6 */
  84                    "movdqa %xmm7,0x70(%rcx)\n\t"   /* jmp_buf->Xmm7 */
  85                    "movdqa %xmm8,0x80(%rcx)\n\t"   /* jmp_buf->Xmm8 */
  86                    "movdqa %xmm9,0x90(%rcx)\n\t"   /* jmp_buf->Xmm9 */
  87                    "movdqa %xmm10,0xa0(%rcx)\n\t"  /* jmp_buf->Xmm10 */
  88                    "movdqa %xmm11,0xb0(%rcx)\n\t"  /* jmp_buf->Xmm11 */
  89                    "movdqa %xmm12,0xc0(%rcx)\n\t"  /* jmp_buf->Xmm12 */
  90                    "movdqa %xmm13,0xd0(%rcx)\n\t"  /* jmp_buf->Xmm13 */
  91                    "movdqa %xmm14,0xe0(%rcx)\n\t"  /* jmp_buf->Xmm14 */
  92                    "movdqa %xmm15,0xf0(%rcx)\n\t"  /* jmp_buf->Xmm15 */
  93                    "xorq %rax,%rax\n\t"
  94                    "retq" )
  95
  96 __ASM_GLOBAL_FUNC( __wine_longjmp,
  97                    "movq %rdx,%rax\n\t"            /* retval */
  98                    "movq 0x8(%rcx),%rbx\n\t"       /* jmp_buf->Rbx */
  99                    "movq 0x18(%rcx),%rbp\n\t"      /* jmp_buf->Rbp */
 100                    "movq 0x20(%rcx),%rsi\n\t"      /* jmp_buf->Rsi */
 101                    "movq 0x28(%rcx),%rdi\n\t"      /* jmp_buf->Rdi */
 102                    "movq 0x30(%rcx),%r12\n\t"      /* jmp_buf->R12 */
 103                    "movq 0x38(%rcx),%r13\n\t"      /* jmp_buf->R13 */
 104                    "movq 0x40(%rcx),%r14\n\t"      /* jmp_buf->R14 */
 105                    "movq 0x48(%rcx),%r15\n\t"      /* jmp_buf->R15 */
 106                    "movdqa 0x60(%rcx),%xmm6\n\t"   /* jmp_buf->Xmm6 */
 107                    "movdqa 0x70(%rcx),%xmm7\n\t"   /* jmp_buf->Xmm7 */
 108                    "movdqa 0x80(%rcx),%xmm8\n\t"   /* jmp_buf->Xmm8 */
 109                    "movdqa 0x90(%rcx),%xmm9\n\t"   /* jmp_buf->Xmm9 */
 110                    "movdqa 0xa0(%rcx),%xmm10\n\t"  /* jmp_buf->Xmm10 */
 111                    "movdqa 0xb0(%rcx),%xmm11\n\t"  /* jmp_buf->Xmm11 */
 112                    "movdqa 0xc0(%rcx),%xmm12\n\t"  /* jmp_buf->Xmm12 */
 113                    "movdqa 0xd0(%rcx),%xmm13\n\t"  /* jmp_buf->Xmm13 */
 114                    "movdqa 0xe0(%rcx),%xmm14\n\t"  /* jmp_buf->Xmm14 */
 115                    "movdqa 0xf0(%rcx),%xmm15\n\t"  /* jmp_buf->Xmm15 */
 116                    "movq 0x50(%rcx),%rdx\n\t"      /* jmp_buf->Rip */
 117                    "movq 0x10(%rcx),%rsp\n\t"      /* jmp_buf->Rsp */
 118                    "jmp *%rdx" )
 119
 120 __ASM_GLOBAL_FUNC( __wine_rtl_unwind,
 121                    "pushq %rbp\n\t"
 122                    __ASM_SEH(".seh_pushreg %rbp\n\t")
 123                    __ASM_CFI(".cfi_adjust_cfa_offset 8\n\t")
 124                    __ASM_CFI(".cfi_rel_offset %rbp,0\n\t")
 125                    "movq %rsp,%rbp\n\t"
 126                    __ASM_SEH(".seh_setframe %rbp,0\n\t")
 127                    __ASM_CFI(".cfi_def_cfa_register %rbp\n\t")
 128                    "subq $0x20,%rsp\n\t"
 129                    __ASM_SEH(".seh_stackalloc 0x20\n\t")
 130                    __ASM_SEH(".seh_endprologue\n\t")
 131                    "movq %r8,%r9\n\t"  /* retval = final target */
 132                    "movq %rdx,%r8\n\t" /* record */
 133                    "leaq __wine_unwind_trampoline(%rip),%rdx\n\t"  /* target = trampoline */
 134                    "call " __ASM_NAME("RtlUnwind") "\n"
 135                    "__wine_unwind_trampoline:\n\t"
 136                    /* we need an extra call to make sure the stack is correctly aligned */
 137                    "callq *%rax" )
 138
 139 #elif defined(__arm__)
 140
 141 __ASM_GLOBAL_FUNC( __wine_setjmpex,
 142                    "str r1, [r0]\n\t"              /* jmp_buf->Frame */
 143                    "str r4, [r0, #0x4]\n\t"        /* jmp_buf->R4 */
 144                    "str r5, [r0, #0x8]\n\t"        /* jmp_buf->R5 */
 145                    "str r6, [r0, #0xc]\n\t"        /* jmp_buf->R6 */
 146                    "str r7, [r0, #0x10]\n\t"       /* jmp_buf->R7 */
 147                    "str r8, [r0, #0x14]\n\t"       /* jmp_buf->R8 */
 148                    "str r9, [r0, #0x18]\n\t"       /* jmp_buf->R9 */
 149                    "str r10, [r0, #0x1c]\n\t"      /* jmp_buf->R10 */
 150                    "str r11, [r0, #0x20]\n\t"      /* jmp_buf->R11 */
 151                    "str sp, [r0, #0x24]\n\t"       /* jmp_buf->Sp */
 152                    "str lr, [r0, #0x28]\n\t"       /* jmp_buf->Pc */
 153 #ifndef __SOFTFP__
 154                    "vmrs r2, fpscr\n\t"
 155                    "str r2, [r0, #0x2c]\n\t"       /* jmp_buf->Fpscr */
 156                    "vstr d8,  [r0, #0x30]\n\t"     /* jmp_buf->D[0] */
 157                    "vstr d9,  [r0, #0x38]\n\t"     /* jmp_buf->D[1] */
 158                    "vstr d10, [r0, #0x40]\n\t"     /* jmp_buf->D[2] */
 159                    "vstr d11, [r0, #0x48]\n\t"     /* jmp_buf->D[3] */
 160                    "vstr d12, [r0, #0x50]\n\t"     /* jmp_buf->D[4] */
 161                    "vstr d13, [r0, #0x58]\n\t"     /* jmp_buf->D[5] */
 162                    "vstr d14, [r0, #0x60]\n\t"     /* jmp_buf->D[6] */
 163                    "vstr d15, [r0, #0x68]\n\t"     /* jmp_buf->D[7] */
 164 #endif
 165                    "mov r0, #0\n\t"
 166                    "bx lr" )
 167
 168 __ASM_GLOBAL_FUNC( __wine_longjmp,
 169                    "ldr r4, [r0, #0x4]\n\t"        /* jmp_buf->R4 */
 170                    "ldr r5, [r0, #0x8]\n\t"        /* jmp_buf->R5 */
 171                    "ldr r6, [r0, #0xc]\n\t"        /* jmp_buf->R6 */
 172                    "ldr r7, [r0, #0x10]\n\t"       /* jmp_buf->R7 */
 173                    "ldr r8, [r0, #0x14]\n\t"       /* jmp_buf->R8 */
 174                    "ldr r9, [r0, #0x18]\n\t"       /* jmp_buf->R9 */
 175                    "ldr r10, [r0, #0x1c]\n\t"      /* jmp_buf->R10 */
 176                    "ldr r11, [r0, #0x20]\n\t"      /* jmp_buf->R11 */
 177                    "ldr sp, [r0, #0x24]\n\t"       /* jmp_buf->Sp */
 178                    "ldr r2, [r0, #0x28]\n\t"       /* jmp_buf->Pc */
 179 #ifndef __SOFTFP__
 180                    "ldr r3, [r0, #0x2c]\n\t"       /* jmp_buf->Fpscr */
 181                    "vmsr fpscr, r3\n\t"
 182                    "vldr d8,  [r0, #0x30]\n\t"     /* jmp_buf->D[0] */
 183                    "vldr d9,  [r0, #0x38]\n\t"     /* jmp_buf->D[1] */
 184                    "vldr d10, [r0, #0x40]\n\t"     /* jmp_buf->D[2] */
 185                    "vldr d11, [r0, #0x48]\n\t"     /* jmp_buf->D[3] */
 186                    "vldr d12, [r0, #0x50]\n\t"     /* jmp_buf->D[4] */
 187                    "vldr d13, [r0, #0x58]\n\t"     /* jmp_buf->D[5] */
 188                    "vldr d14, [r0, #0x60]\n\t"     /* jmp_buf->D[6] */
 189                    "vldr d15, [r0, #0x68]\n\t"     /* jmp_buf->D[7] */
 190 #endif
 191                    "mov r0, r1\n\t"                /* retval */
 192                    "bx r2" )
 193
 194 void __cdecl __wine_rtl_unwind( EXCEPTION_REGISTRATION_RECORD* frame, EXCEPTION_RECORD *record,
 195                                 void (*target)(void) )
 196 {
 197     RtlUnwind( frame, target, record, 0 );
 198     for (;;) target();
 199 }
 200
 201 #elif defined(__aarch64__)
 202
 203 __ASM_GLOBAL_FUNC( __wine_setjmpex,
 204                    "str x1,       [x0]\n\t"        /* jmp_buf->Frame */
 205                    "stp x19, x20, [x0, #0x10]\n\t" /* jmp_buf->X19, X20 */
 206                    "stp x21, x22, [x0, #0x20]\n\t" /* jmp_buf->X21, X22 */
 207                    "stp x23, x24, [x0, #0x30]\n\t" /* jmp_buf->X23, X24 */
 208                    "stp x25, x26, [x0, #0x40]\n\t" /* jmp_buf->X25, X26 */
 209                    "stp x27, x28, [x0, #0x50]\n\t" /* jmp_buf->X27, X28 */
 210                    "stp x29, x30, [x0, #0x60]\n\t" /* jmp_buf->Fp,  Lr  */
 211                    "mov x2,  sp\n\t"
 212                    "str x2,       [x0, #0x70]\n\t" /* jmp_buf->Sp */
 213                    "mrs x2,  fpcr\n\t"
 214                    "str w2,       [x0, #0x78]\n\t" /* jmp_buf->Fpcr */
 215                    "mrs x2,  fpsr\n\t"
 216                    "str w2,       [x0, #0x7c]\n\t" /* jmp_buf->Fpsr */
 217                    "stp d8,  d9,  [x0, #0x80]\n\t" /* jmp_buf->D[0-1] */
 218                    "stp d10, d11, [x0, #0x90]\n\t" /* jmp_buf->D[2-3] */
 219                    "stp d12, d13, [x0, #0xa0]\n\t" /* jmp_buf->D[4-5] */
 220                    "stp d14, d15, [x0, #0xb0]\n\t" /* jmp_buf->D[6-7] */
 221                    "mov x0, #0\n\t"
 222                    "ret" )
 223
 224 __ASM_GLOBAL_FUNC( __wine_longjmp,
 225                    "ldp x19, x20, [x0, #0x10]\n\t" /* jmp_buf->X19, X20 */
 226                    "ldp x21, x22, [x0, #0x20]\n\t" /* jmp_buf->X21, X22 */
 227                    "ldp x23, x24, [x0, #0x30]\n\t" /* jmp_buf->X23, X24 */
 228                    "ldp x25, x26, [x0, #0x40]\n\t" /* jmp_buf->X25, X26 */
 229                    "ldp x27, x28, [x0, #0x50]\n\t" /* jmp_buf->X27, X28 */
 230                    "ldp x29, x30, [x0, #0x60]\n\t" /* jmp_buf->Fp,  Lr  */
 231                    "ldr x2,       [x0, #0x70]\n\t" /* jmp_buf->Sp */
 232                    "mov sp,  x2\n\t"
 233                    "ldr w2,       [x0, #0x78]\n\t" /* jmp_buf->Fpcr */
 234                    "msr fpcr, x2\n\t"
 235                    "ldr w2,       [x0, #0x7c]\n\t" /* jmp_buf->Fpsr */
 236                    "msr fpsr, x2\n\t"
 237                    "ldp d8,  d9,  [x0, #0x80]\n\t" /* jmp_buf->D[0-1] */
 238                    "ldp d10, d11, [x0, #0x90]\n\t" /* jmp_buf->D[2-3] */
 239                    "ldp d12, d13, [x0, #0xa0]\n\t" /* jmp_buf->D[4-5] */
 240                    "ldp d14, d15, [x0, #0xb0]\n\t" /* jmp_buf->D[6-7] */
 241                    "mov x0, x1\n\t"                /* retval */
 242                    "ret" )
 243
 244 void __cdecl __wine_rtl_unwind( EXCEPTION_REGISTRATION_RECORD* frame, EXCEPTION_RECORD *record,
 245                                 void (*target)(void) )
 246 {
 247     RtlUnwind( frame, target, record, 0 );
 248     for (;;) target();
 249 }
 250
 251 #else
 252
 253 int __cdecl __wine_setjmpex( __wine_jmp_buf *buf, EXCEPTION_REGISTRATION_RECORD *frame )
 254 {
 255     return setjmp( buf );
 256 }
 257
 258 void __cdecl __wine_longjmp( __wine_jmp_buf *buf, int retval )
 259 {
 260     for (;;) longjmp( buf, retval );
 261 }
 262
 263 void __cdecl __wine_rtl_unwind( EXCEPTION_REGISTRATION_RECORD* frame, EXCEPTION_RECORD *record,
 264                                 void (*target)(void) )
 265 {
 266     RtlUnwind( frame, target, record, 0 );
 267     for (;;) target();
 268 }
 269
 270 #endif
 271
 272 static void DECLSPEC_NORETURN unwind_target(void)
 273 {
 274     __WINE_FRAME *wine_frame = (__WINE_FRAME *)__wine_get_frame();
 275     __wine_pop_frame( &wine_frame->frame );
 276     for (;;) __wine_longjmp( &wine_frame->jmp, 1 );
 277 }
 278
 279 static void DECLSPEC_NORETURN unwind_frame( EXCEPTION_RECORD *record,
 280                                             EXCEPTION_REGISTRATION_RECORD *frame )
 281 {
 282     __WINE_FRAME *wine_frame = (__WINE_FRAME *)frame;
 283
 284     /* hack to make GetExceptionCode() work in handler */
 285     wine_frame->ExceptionCode   = record->ExceptionCode;
 286     wine_frame->ExceptionRecord = wine_frame;
 287
 288     __wine_rtl_unwind( frame, record, unwind_target );
 289 }
 290
 291 DWORD __cdecl __wine_exception_handler( EXCEPTION_RECORD *record,
 292                                         EXCEPTION_REGISTRATION_RECORD *frame,
 293                                         CONTEXT *context,
 294                                         EXCEPTION_REGISTRATION_RECORD **pdispatcher )
 295 {
 296     __WINE_FRAME *wine_frame = (__WINE_FRAME *)frame;
 297     EXCEPTION_POINTERS ptrs;
 298
 299     if (record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND | EH_NESTED_CALL))
 300         return ExceptionContinueSearch;
 301
 302     ptrs.ExceptionRecord = record;
 303     ptrs.ContextRecord = context;
 304     switch(wine_frame->u.filter( &ptrs ))
 305     {
 306     case EXCEPTION_CONTINUE_SEARCH:
 307         return ExceptionContinueSearch;
 308     case EXCEPTION_CONTINUE_EXECUTION:
 309         return ExceptionContinueExecution;
 310     case EXCEPTION_EXECUTE_HANDLER:
 311         break;
 312     }
 313     unwind_frame( record, frame );
 314 }
 315
 316 DWORD __cdecl __wine_exception_ctx_handler( EXCEPTION_RECORD *record,
 317                                             EXCEPTION_REGISTRATION_RECORD *frame,
 318                                             CONTEXT *context,
 319                                             EXCEPTION_REGISTRATION_RECORD **pdispatcher )
 320 {
 321     __WINE_FRAME *wine_frame = (__WINE_FRAME *)frame;
 322     EXCEPTION_POINTERS ptrs;
 323
 324     if (record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND | EH_NESTED_CALL))
 325         return ExceptionContinueSearch;
 326
 327     ptrs.ExceptionRecord = record;
 328     ptrs.ContextRecord = context;
 329     switch(wine_frame->u.filter_ctx( &ptrs, wine_frame->ctx ))
 330     {
 331     case EXCEPTION_CONTINUE_SEARCH:
 332         return ExceptionContinueSearch;
 333     case EXCEPTION_CONTINUE_EXECUTION:
 334         return ExceptionContinueExecution;
 335     case EXCEPTION_EXECUTE_HANDLER:
 336         break;
 337     }
 338     unwind_frame( record, frame );
 339 }
 340
 341 DWORD __cdecl __wine_exception_handler_page_fault( EXCEPTION_RECORD *record,
 342                                                    EXCEPTION_REGISTRATION_RECORD *frame,
 343                                                    CONTEXT *context,
 344                                                    EXCEPTION_REGISTRATION_RECORD **pdispatcher )
 345 {
 346     if (record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND | EH_NESTED_CALL))
 347         return ExceptionContinueSearch;
 348     if (record->ExceptionCode != STATUS_ACCESS_VIOLATION)
 349         return ExceptionContinueSearch;
 350     unwind_frame( record, frame );
 351 }
 352
 353 DWORD __cdecl __wine_exception_handler_all( EXCEPTION_RECORD *record,
 354                                             EXCEPTION_REGISTRATION_RECORD *frame,
 355                                             CONTEXT *context,
 356                                             EXCEPTION_REGISTRATION_RECORD **pdispatcher )
 357 {
 358     if (record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND | EH_NESTED_CALL))
 359         return ExceptionContinueSearch;
 360     unwind_frame( record, frame );
 361 }
 362
 363 DWORD __cdecl __wine_finally_handler( EXCEPTION_RECORD *record,
 364                                       EXCEPTION_REGISTRATION_RECORD *frame,
 365                                       CONTEXT *context,
 366                                       EXCEPTION_REGISTRATION_RECORD **pdispatcher )
 367 {
 368     if (record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND))
 369     {
 370         __WINE_FRAME *wine_frame = (__WINE_FRAME *)frame;
 371         wine_frame->u.finally_func( FALSE );
 372     }
 373     return ExceptionContinueSearch;
 374 }
 375
 376 DWORD __cdecl __wine_finally_ctx_handler( EXCEPTION_RECORD *record,
 377                                           EXCEPTION_REGISTRATION_RECORD *frame,
 378                                           CONTEXT *context,
 379                                           EXCEPTION_REGISTRATION_RECORD **pdispatcher )
 380 {
 381     if (record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND))
 382     {
 383         __WINE_FRAME *wine_frame = (__WINE_FRAME *)frame;
 384         wine_frame->u.finally_func_ctx( FALSE, wine_frame->ctx );
 385     }
 386     return ExceptionContinueSearch;
 387 }
 388
 389 #endif /* __GNUC__ || __clang__ */