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/cvs/libcoro/coro.c
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Comparing libcoro/coro.c (file contents):
Revision 1.46 by root, Sat Jul 11 14:24:13 2009 UTC vs.
Revision 1.53 by root, Fri Dec 3 19:21:59 2010 UTC

115 asm ( 115 asm (
116 ".text\n" 116 ".text\n"
117 ".globl coro_transfer\n" 117 ".globl coro_transfer\n"
118 ".type coro_transfer, @function\n" 118 ".type coro_transfer, @function\n"
119 "coro_transfer:\n" 119 "coro_transfer:\n"
120 /* windows, of course, gives a shit on the amd64 ABI and uses different registers */
121 /* http://blogs.msdn.com/freik/archive/2005/03/17/398200.aspx */
120 #if __amd64 122 #if __amd64
121 #define NUM_SAVED 6 123 #define NUM_SAVED 6
122 "\tpush %rbp\n" 124 "\tpush %rbp\n"
123 "\tpush %rbx\n" 125 "\tpush %rbx\n"
124 "\tpush %r12\n" 126 "\tpush %r12\n"
125 "\tpush %r13\n" 127 "\tpush %r13\n"
126 "\tpush %r14\n" 128 "\tpush %r14\n"
127 "\tpush %r15\n" 129 "\tpush %r15\n"
130 #if CORO_WIN_TIB
131 "\tpush %gs:0x0\n"
132 "\tpush %gs:0x8\n"
133 "\tpush %gs:0xc\n"
134 #endif
128 "\tmov %rsp, (%rdi)\n" 135 "\tmov %rsp, (%rdi)\n"
129 "\tmov (%rsi), %rsp\n" 136 "\tmov (%rsi), %rsp\n"
137 #if CORO_WIN_TIB
138 "\tpop %gs:0xc\n"
139 "\tpop %gs:0x8\n"
140 "\tpop %gs:0x0\n"
141 #endif
130 "\tpop %r15\n" 142 "\tpop %r15\n"
131 "\tpop %r14\n" 143 "\tpop %r14\n"
132 "\tpop %r13\n" 144 "\tpop %r13\n"
133 "\tpop %r12\n" 145 "\tpop %r12\n"
134 "\tpop %rbx\n" 146 "\tpop %rbx\n"
137 #define NUM_SAVED 4 149 #define NUM_SAVED 4
138 "\tpush %ebp\n" 150 "\tpush %ebp\n"
139 "\tpush %ebx\n" 151 "\tpush %ebx\n"
140 "\tpush %esi\n" 152 "\tpush %esi\n"
141 "\tpush %edi\n" 153 "\tpush %edi\n"
154 #if CORO_WIN_TIB
155 "\tpush %fs:0\n"
156 "\tpush %fs:4\n"
157 "\tpush %fs:8\n"
158 #endif
142 "\tmov %esp, (%eax)\n" 159 "\tmov %esp, (%eax)\n"
143 "\tmov (%edx), %esp\n" 160 "\tmov (%edx), %esp\n"
161 #if CORO_WIN_TIB
162 "\tpop %fs:8\n"
163 "\tpop %fs:4\n"
164 "\tpop %fs:0\n"
165 #endif
144 "\tpop %edi\n" 166 "\tpop %edi\n"
145 "\tpop %esi\n" 167 "\tpop %esi\n"
146 "\tpop %ebx\n" 168 "\tpop %ebx\n"
147 "\tpop %ebp\n" 169 "\tpop %ebp\n"
148 #else 170 #else
223 sigprocmask (SIG_SETMASK, &osig, 0); 245 sigprocmask (SIG_SETMASK, &osig, 0);
224 246
225# elif CORO_LOSER 247# elif CORO_LOSER
226 248
227 coro_setjmp (ctx->env); 249 coro_setjmp (ctx->env);
228 #if __CYGWIN__ 250 #if __CYGWIN__ && __i386
251 ctx->env[8] = (long) coro_init;
229 ctx->env[7] = (long)((char *)sptr + ssize) - sizeof (long); 252 ctx->env[7] = (long) ((char *)sptr + ssize) - sizeof (long);
230 ctx->env[8] = (long)coro_init; 253 #elif __CYGWIN__ && __x86_64
254 ctx->env[7] = (long) coro_init;
255 ctx->env[6] = (long) ((char *)sptr + ssize) - sizeof (long);
231 #elif defined(__MINGW32__) 256 #elif defined(__MINGW32__)
257 ctx->env[5] = (long) coro_init;
232 ctx->env[4] = (long)((char *)sptr + ssize) - sizeof (long); 258 ctx->env[4] = (long) ((char *)sptr + ssize) - sizeof (long);
233 ctx->env[5] = (long)coro_init;
234 #elif defined(_M_IX86) 259 #elif defined(_M_IX86)
235 ((_JUMP_BUFFER *)&ctx->env)->Eip = (long)coro_init; 260 ((_JUMP_BUFFER *)&ctx->env)->Eip = (long) coro_init;
236 ((_JUMP_BUFFER *)&ctx->env)->Esp = (long)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); 261 ((_JUMP_BUFFER *)&ctx->env)->Esp = (long) STACK_ADJUST_PTR (sptr, ssize) - sizeof (long);
237 #elif defined(_M_AMD64) 262 #elif defined(_M_AMD64)
238 ((_JUMP_BUFFER *)&ctx->env)->Rip = (__int64)coro_init; 263 ((_JUMP_BUFFER *)&ctx->env)->Rip = (__int64) coro_init;
239 ((_JUMP_BUFFER *)&ctx->env)->Rsp = (__int64)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); 264 ((_JUMP_BUFFER *)&ctx->env)->Rsp = (__int64) STACK_ADJUST_PTR (sptr, ssize) - sizeof (__int64);
240 #elif defined(_M_IA64) 265 #elif defined(_M_IA64)
241 ((_JUMP_BUFFER *)&ctx->env)->StIIP = (__int64)coro_init; 266 ((_JUMP_BUFFER *)&ctx->env)->StIIP = (__int64) coro_init;
242 ((_JUMP_BUFFER *)&ctx->env)->IntSp = (__int64)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); 267 ((_JUMP_BUFFER *)&ctx->env)->IntSp = (__int64) STACK_ADJUST_PTR (sptr, ssize) - sizeof (__int64);
243 #else 268 #else
244 #error "microsoft libc or architecture not supported" 269 #error "microsoft libc or architecture not supported"
245 #endif 270 #endif
246 271
247# elif CORO_LINUX 272# elif CORO_LINUX
248 273
249 coro_setjmp (ctx->env); 274 coro_setjmp (ctx->env);
250 #if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (JB_PC) && defined (JB_SP) 275 #if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (JB_PC) && defined (JB_SP)
251 ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; 276 ctx->env[0].__jmpbuf[JB_PC] = (long) coro_init;
252 ctx->env[0].__jmpbuf[JB_SP] = (long)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); 277 ctx->env[0].__jmpbuf[JB_SP] = (long) STACK_ADJUST_PTR (sptr, ssize) - sizeof (long);
253 #elif __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (__mc68000__) 278 #elif __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (__mc68000__)
254 ctx->env[0].__jmpbuf[0].__aregs[0] = (long int)coro_init; 279 ctx->env[0].__jmpbuf[0].__aregs[0] = (long int)coro_init;
255 ctx->env[0].__jmpbuf[0].__sp = (int *)((char *)sptr + ssize) - sizeof (long); 280 ctx->env[0].__jmpbuf[0].__sp = (int *) ((char *)sptr + ssize) - sizeof (long);
256 #elif defined (__GNU_LIBRARY__) && defined (__i386__) 281 #elif defined (__GNU_LIBRARY__) && defined (__i386__)
257 ctx->env[0].__jmpbuf[0].__pc = (char *)coro_init; 282 ctx->env[0].__jmpbuf[0].__pc = (char *) coro_init;
258 ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize) - sizeof (long); 283 ctx->env[0].__jmpbuf[0].__sp = (void *) ((char *)sptr + ssize) - sizeof (long);
259 #elif defined (__GNU_LIBRARY__) && defined (__amd64__) 284 #elif defined (__GNU_LIBRARY__) && defined (__amd64__)
260 ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; 285 ctx->env[0].__jmpbuf[JB_PC] = (long) coro_init;
261 ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize) - sizeof (long); 286 ctx->env[0].__jmpbuf[0].__sp = (void *) ((char *)sptr + ssize) - sizeof (long);
262 #else 287 #else
263 #error "linux libc or architecture not supported" 288 #error "linux libc or architecture not supported"
264 #endif 289 #endif
265 290
266# elif CORO_IRIX 291# elif CORO_IRIX
267 292
268 coro_setjmp (ctx->env, 0); 293 coro_setjmp (ctx->env, 0);
269 ctx->env[JB_PC] = (__uint64_t)coro_init; 294 ctx->env[JB_PC] = (__uint64_t)coro_init;
270 ctx->env[JB_SP] = (__uint64_t)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); 295 ctx->env[JB_SP] = (__uint64_t)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long);
271 296
272# elif CORO_ASM 297# elif CORO_ASM
273 298
274 ctx->sp = (void **)(ssize + (char *)sptr); 299 ctx->sp = (void **)(ssize + (char *)sptr);
275 *--ctx->sp = (void *)abort; /* needed for alignment only */ 300 *--ctx->sp = (void *)abort; /* needed for alignment only */
276 *--ctx->sp = (void *)coro_init; 301 *--ctx->sp = (void *)coro_init;
302
303 #if CORO_WIN_TIB
304 *--ctx->sp = 0; /* ExceptionList */
305 *--ctx->sp = (char *)sptr + ssize; /* StackBase */
306 *--ctx->sp = sptr; /* StackLimit */
307 #endif
308
277 ctx->sp -= NUM_SAVED; 309 ctx->sp -= NUM_SAVED;
278 310
279# elif CORO_UCONTEXT 311# elif CORO_UCONTEXT
280 312
281 getcontext (&(ctx->uc)); 313 getcontext (&(ctx->uc));
370 args.arg = arg; 402 args.arg = arg;
371 args.self = ctx; 403 args.self = ctx;
372 args.main = &nctx; 404 args.main = &nctx;
373 405
374 pthread_attr_init (&attr); 406 pthread_attr_init (&attr);
407#if __UCLIBC__
408 pthread_attr_setstacksize (&attr, (size_t)ssize);
409#else
375 pthread_attr_setstack (&attr, sptr, (size_t)ssize); 410 pthread_attr_setstack (&attr, sptr, (size_t)ssize);
411#endif
376 pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); 412 pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
377 pthread_create (&ctx->id, &attr, coro_init, &args); 413 pthread_create (&ctx->id, &attr, coro_init, &args);
378 414
379 coro_transfer (args.main, args.self); 415 coro_transfer (args.main, args.self);
380 } 416 }

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