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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" |
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120 | /* windows, of course, gives a shit on the amd64 ABI and uses different registers */ |
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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" |
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130 | #if CORO_WIN_TIB |
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131 | "\tpush %gs:0x0\n" |
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132 | "\tpush %gs:0x8\n" |
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133 | "\tpush %gs:0xc\n" |
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134 | #endif |
128 | "\tmov %rsp, (%rdi)\n" |
135 | "\tmov %rsp, (%rdi)\n" |
129 | "\tmov (%rsi), %rsp\n" |
136 | "\tmov (%rsi), %rsp\n" |
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137 | #if CORO_WIN_TIB |
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138 | "\tpop %gs:0xc\n" |
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139 | "\tpop %gs:0x8\n" |
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140 | "\tpop %gs:0x0\n" |
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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" |
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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" |
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154 | #if CORO_WIN_TIB |
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155 | "\tpush %fs:0\n" |
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156 | "\tpush %fs:4\n" |
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157 | "\tpush %fs:8\n" |
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158 | #endif |
142 | "\tmov %esp, (%eax)\n" |
159 | "\tmov %esp, (%eax)\n" |
143 | "\tmov (%edx), %esp\n" |
160 | "\tmov (%edx), %esp\n" |
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161 | #if CORO_WIN_TIB |
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162 | "\tpop %fs:8\n" |
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163 | "\tpop %fs:4\n" |
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164 | "\tpop %fs:0\n" |
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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 |
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188 | perror ("sigaction"); |
210 | perror ("sigaction"); |
189 | abort (); |
211 | abort (); |
190 | } |
212 | } |
191 | |
213 | |
192 | /* set the new stack */ |
214 | /* set the new stack */ |
193 | nstk.ss_sp = STACK_ADJUST_PTR (sptr,ssize); /* yes, some platforms (IRIX) get this wrong. */ |
215 | nstk.ss_sp = STACK_ADJUST_PTR (sptr, ssize); /* yes, some platforms (IRIX) get this wrong. */ |
194 | nstk.ss_size = STACK_ADJUST_SIZE (sptr,ssize); |
216 | nstk.ss_size = STACK_ADJUST_SIZE (sptr, ssize); |
195 | nstk.ss_flags = 0; |
217 | nstk.ss_flags = 0; |
196 | |
218 | |
197 | if (sigaltstack (&nstk, &ostk) < 0) |
219 | if (sigaltstack (&nstk, &ostk) < 0) |
198 | { |
220 | { |
199 | perror ("sigaltstack"); |
221 | perror ("sigaltstack"); |
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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 |
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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 |
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254 | ctx->env[7] = (long) coro_init; |
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255 | ctx->env[6] = (long) ((char *)sptr + ssize) - sizeof (long); |
231 | #elif defined(__MINGW32__) |
256 | #elif defined(__MINGW32__) |
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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; |
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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; |
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302 | |
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303 | #if CORO_WIN_TIB |
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304 | *--ctx->sp = 0; /* ExceptionList */ |
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305 | *--ctx->sp = (char *)sptr + ssize; /* StackBase */ |
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306 | *--ctx->sp = sptr; /* StackLimit */ |
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307 | #endif |
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308 | |
277 | ctx->sp -= NUM_SAVED; |
309 | ctx->sp -= NUM_SAVED; |
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310 | memset (ctx->sp, 0, sizeof (*ctx->sp) * NUM_SAVED); |
278 | |
311 | |
279 | # elif CORO_UCONTEXT |
312 | # elif CORO_UCONTEXT |
280 | |
313 | |
281 | getcontext (&(ctx->uc)); |
314 | getcontext (&(ctx->uc)); |
282 | |
315 | |
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370 | args.arg = arg; |
403 | args.arg = arg; |
371 | args.self = ctx; |
404 | args.self = ctx; |
372 | args.main = &nctx; |
405 | args.main = &nctx; |
373 | |
406 | |
374 | pthread_attr_init (&attr); |
407 | pthread_attr_init (&attr); |
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408 | #if __UCLIBC__ |
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409 | /* exists, but is borked */ |
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410 | /*pthread_attr_setstacksize (&attr, (size_t)ssize);*/ |
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411 | #else |
375 | pthread_attr_setstack (&attr, sptr, (size_t)ssize); |
412 | pthread_attr_setstack (&attr, sptr, (size_t)ssize); |
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413 | #endif |
376 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
414 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
377 | pthread_create (&ctx->id, &attr, coro_init, &args); |
415 | pthread_create (&ctx->id, &attr, coro_init, &args); |
378 | |
416 | |
379 | coro_transfer (args.main, args.self); |
417 | coro_transfer (args.main, args.self); |
380 | } |
418 | } |