Changeset 21999 for trunk/include/excpt.h
- Timestamp:
- Apr 18, 2012, 10:46:37 PM (13 years ago)
- File:
-
- 1 edited
-
trunk/include/excpt.h (modified) (5 diffs)
Legend:
- Unmodified
- Added
- Removed
-
trunk/include/excpt.h
r21636 r21999 43 43 44 44 struct ___seh_EXCEPTION_FRAME; 45 typedef int (*__seh_PEXCEPTION_HANDLER)(PEXCEPTION_RECORD, 46 struct ___seh_EXCEPTION_FRAME *, 47 PCONTEXT, PVOID); 45 46 #ifdef ODIN_FORCE_WIN32_TIB 47 48 typedef int (*__seh_PEXCEPTION_HANDLER_WIN32)(PEXCEPTION_RECORD, 49 struct ___seh_EXCEPTION_FRAME *, 50 PCONTEXT, PVOID); 48 51 49 52 #pragma pack(1) … … 52 55 { 53 56 /* + 0 */ struct ___seh_EXCEPTION_FRAME *pPrev; 54 /* + 4 */ __seh_PEXCEPTION_HANDLER pHandler;57 /* + 4 */ __seh_PEXCEPTION_HANDLER_WIN32 pHandler; 55 58 /* + 8 */ void *pFilterCallback; 56 59 /* +12 */ void *pHandlerCallback; … … 72 75 #pragma pack() 73 76 74 extern int __seh_handler(PEXCEPTION_RECORD pRec, 77 extern int __seh_handler_win32(PEXCEPTION_RECORD pRec, 78 struct ___seh_EXCEPTION_FRAME *pFrame, 79 PCONTEXT pContext, PVOID pVoid); 80 81 #else /* ODIN_FORCE_WIN32_TIB */ 82 83 typedef int (*__seh_PEXCEPTION_HANDLER)(PVOID, 84 struct ___seh_EXCEPTION_FRAME *, 85 PVOID, PVOID); 86 87 #pragma pack(1) 88 89 typedef struct ___seh_EXCEPTION_FRAME 90 { 91 /* + 0 */ struct ___seh_EXCEPTION_FRAME *pPrev; 92 /* + 4 */ __seh_PEXCEPTION_HANDLER pHandler; 93 /* + 8 */ void *pFilterCallback; 94 /* +12 */ void *pHandlerCallback; 95 /* +16 */ void *pHandlerContext; 96 /* +20 */ int filterResult; 97 /* +24 */ DWORD EBX; 98 /* +28 */ DWORD ESI; 99 /* +32 */ DWORD EDI; 100 /* +36 */ DWORD EBP; 101 /* +40 */ DWORD ESP; 102 /* +44 */ EXCEPTION_POINTERS Pointers; 103 /* +52 */ int state; 104 } 105 __seh_EXCEPTION_FRAME; 106 107 #pragma pack() 108 109 extern int __seh_handler(PVOID pRec, 75 110 struct ___seh_EXCEPTION_FRAME *pFrame, 76 PCONTEXT pContext, PVOID pVoid); 111 PVOID pContext, PVOID pVoid); 112 113 #endif /* ODIN_FORCE_WIN32_TIB */ 77 114 78 115 #define _exception_code() (__seh_frame.Pointers.ExceptionRecord->ExceptionCode) … … 85 122 #define GetExceptionInformation (PEXCEPTION_POINTERS)_exception_info 86 123 124 #ifdef ODIN_FORCE_WIN32_TIB 125 87 126 #define __try \ 88 127 volatile __seh_EXCEPTION_FRAME __seh_frame; \ 89 __seh_frame.pHandler = __seh_handler ;\128 __seh_frame.pHandler = __seh_handler_win32; \ 90 129 __seh_frame.Pointers.ExceptionRecord = NULL; \ 91 130 __seh_frame.Pointers.ContextRecord = NULL; \ … … 201 240 continue; 202 241 242 #else /* ODIN_FORCE_WIN32_TIB */ 243 244 #define __try \ 245 volatile __seh_EXCEPTION_FRAME __seh_frame; \ 246 __seh_frame.pHandler = __seh_handler; \ 247 __seh_frame.Pointers.ExceptionRecord = NULL; \ 248 __seh_frame.Pointers.ContextRecord = NULL; \ 249 __seh_frame.state = 0; \ 250 /* install OS/2 exception handler (note: EDX is in clobber too since it \ 251 * may carry any value when we jump back to pFilterCallback from the \ 252 * handler */ \ 253 __asm__ ("leal %0, %%ecx; " \ 254 "pushl %%fs; " \ 255 "pushl $Dos32TIB; " \ 256 "popl %%fs; " \ 257 "movl %%fs:0, %%eax; " \ 258 "movl %%eax, 0(%%ecx); " \ 259 "movl $0f, 8(%%ecx); " \ 260 "movl %%ebx, 24(%%ecx); " \ 261 "movl %%esi, 28(%%ecx); " \ 262 "movl %%edi, 32(%%ecx); " \ 263 "movl %%ebp, 36(%%ecx); " \ 264 "movl %%esp, 40(%%ecx); " \ 265 "movl %%ecx, %%fs:0; " \ 266 "popl %%fs; " \ 267 \ 268 "\n0: /* pFilterCallback */ \n" \ 269 \ 270 : : "m" (__seh_frame) \ 271 : "%eax", "%ecx", "%edx"); \ 272 for (; __seh_frame.state <= 3; ++__seh_frame.state) \ 273 if (__seh_frame.state == 0) \ 274 { \ 275 { 276 277 #define __except(filter_expr) \ 278 } \ 279 /* cause the next state to be 3 */ \ 280 __seh_frame.state = 2; \ 281 } \ 282 else if (__seh_frame.state == 1) { \ 283 /* execption caught, call filter expression */ \ 284 __seh_frame.filterResult = (filter_expr); \ 285 __asm__("leal %0, %%ebx; jmp *%1" \ 286 : : "m"(__seh_frame), "m"(__seh_frame.pHandlerCallback) \ 287 : "%ebx"); \ 288 } \ 289 else if (__seh_frame.state == 3) \ 290 /* remove exception handler */ \ 291 __asm__ ("leal %0, %%ecx; " \ 292 "pushl %%fs; " \ 293 "pushl $Dos32TIB; " \ 294 "popl %%fs; " \ 295 "movl 0(%%ecx), %%eax; " \ 296 "movl %%eax, %%fs:0; " \ 297 "popl %%fs; " \ 298 : : "m"(__seh_frame) \ 299 : "%eax", "%ecx"); \ 300 else /* __seh_frame.state == 2 -> execute except block */ 301 302 #define __finally \ 303 } \ 304 /* cause the next state to be 2 */ \ 305 __seh_frame.state = 1; \ 306 } \ 307 else if (__seh_frame.state == 1) { \ 308 /* execption caught, handle and proceed to the filally block */ \ 309 __seh_frame.filterResult = EXCEPTION_EXECUTE_HANDLER; \ 310 __asm__("leal %0, %%ebx; jmp *%1" \ 311 : : "m"(__seh_frame), "m"(__seh_frame.pHandlerCallback) \ 312 : "%ebx"); \ 313 } \ 314 else if (__seh_frame.state == 3) \ 315 /* remove exception handler */ \ 316 __asm__ ("leal %0, %%ecx; " \ 317 "pushl %%fs; " \ 318 "pushl $Dos32TIB; " \ 319 "popl %%fs; " \ 320 "movl 0(%%ecx), %%eax; " \ 321 "movl %%eax, %%fs:0; " \ 322 "popl %%fs; " \ 323 : : "m"(__seh_frame) \ 324 : "%eax", "%ecx"); \ 325 else /* __seh_frame.state == 2 -> execute finally block */ 326 327 #define __leave \ 328 /* cause the next state to be 2 */ \ 329 __seh_frame.state = 1; \ 330 continue; 331 332 #endif /* ODIN_FORCE_WIN32_TIB */ 333 203 334 #else /* defined(__GNUC__) */ 204 335
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