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126 | ".text\n" |
126 | ".text\n" |
127 | ".globl coro_transfer\n" |
127 | ".globl coro_transfer\n" |
128 | ".type coro_transfer, @function\n" |
128 | ".type coro_transfer, @function\n" |
129 | "coro_transfer:\n" |
129 | "coro_transfer:\n" |
130 | #if __amd64 |
130 | #if __amd64 |
131 | # define NUM_SAVED 5 |
131 | # define NUM_SAVED 6 |
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132 | "\tpush %rbp\n" |
132 | "\tpush %rbx\n" |
133 | "\tpush %rbx\n" |
133 | "\tpush %r12\n" |
134 | "\tpush %r12\n" |
134 | "\tpush %r13\n" |
135 | "\tpush %r13\n" |
135 | "\tpush %r14\n" |
136 | "\tpush %r14\n" |
136 | "\tpush %r15\n" |
137 | "\tpush %r15\n" |
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139 | "\tpop %r15\n" |
140 | "\tpop %r15\n" |
140 | "\tpop %r14\n" |
141 | "\tpop %r14\n" |
141 | "\tpop %r13\n" |
142 | "\tpop %r13\n" |
142 | "\tpop %r12\n" |
143 | "\tpop %r12\n" |
143 | "\tpop %rbx\n" |
144 | "\tpop %rbx\n" |
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145 | "\tpop %rbp\n" |
144 | #elif __i386 |
146 | #elif __i386 |
145 | # define NUM_SAVED 4 |
147 | # define NUM_SAVED 4 |
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148 | "\tpush %ebp\n" |
146 | "\tpush %ebx\n" |
149 | "\tpush %ebx\n" |
147 | "\tpush %esi\n" |
150 | "\tpush %esi\n" |
148 | "\tpush %edi\n" |
151 | "\tpush %edi\n" |
149 | "\tpush %ebp\n" |
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150 | "\tmov %esp, (%eax)\n" |
152 | "\tmov %esp, (%eax)\n" |
151 | "\tmov (%edx), %esp\n" |
153 | "\tmov (%edx), %esp\n" |
152 | "\tpop %ebp\n" |
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153 | "\tpop %edi\n" |
154 | "\tpop %edi\n" |
154 | "\tpop %esi\n" |
155 | "\tpop %esi\n" |
155 | "\tpop %ebx\n" |
156 | "\tpop %ebx\n" |
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157 | "\tpop %ebp\n" |
156 | #else |
158 | #else |
157 | # error unsupported architecture |
159 | # error unsupported architecture |
158 | #endif |
160 | #endif |
159 | "\tret\n" |
161 | "\tret\n" |
160 | ); |
162 | ); |
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207 | |
209 | |
208 | getcontext (&(ctx->uc)); |
210 | getcontext (&(ctx->uc)); |
209 | |
211 | |
210 | ctx->uc.uc_link = 0; |
212 | ctx->uc.uc_link = 0; |
211 | ctx->uc.uc_stack.ss_sp = STACK_ADJUST_PTR (sptr,ssize); |
213 | ctx->uc.uc_stack.ss_sp = STACK_ADJUST_PTR (sptr,ssize); |
212 | ctx->uc.uc_stack.ss_size = (size_t) STACK_ADJUST_SIZE (sptr,ssize); |
214 | ctx->uc.uc_stack.ss_size = (size_t)STACK_ADJUST_SIZE (sptr,ssize); |
213 | ctx->uc.uc_stack.ss_flags = 0; |
215 | ctx->uc.uc_stack.ss_flags = 0; |
214 | |
216 | |
215 | makecontext (&(ctx->uc), (void (*)()) coro, 1, arg); |
217 | makecontext (&(ctx->uc), (void (*)()) coro, 1, arg); |
216 | |
218 | |
217 | #elif CORO_SJLJ || CORO_LOSER || CORO_LINUX || CORO_IRIX || CORO_ASM |
219 | #elif CORO_SJLJ || CORO_LOSER || CORO_LINUX || CORO_IRIX || CORO_ASM |
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282 | |
284 | |
283 | # elif CORO_LOSER |
285 | # elif CORO_LOSER |
284 | |
286 | |
285 | setjmp (ctx->env); |
287 | setjmp (ctx->env); |
286 | #if __CYGWIN__ |
288 | #if __CYGWIN__ |
287 | ctx->env[7] = (long)((char *)sptr + ssize); |
289 | ctx->env[7] = (long)((char *)sptr + ssize) - sizeof (long); |
288 | ctx->env[8] = (long)coro_init; |
290 | ctx->env[8] = (long)coro_init; |
289 | #elif defined(_M_IX86) |
291 | #elif defined(_M_IX86) |
290 | ((_JUMP_BUFFER *)&ctx->env)->Eip = (long)coro_init; |
292 | ((_JUMP_BUFFER *)&ctx->env)->Eip = (long)coro_init; |
291 | ((_JUMP_BUFFER *)&ctx->env)->Esp = (long)STACK_ADJUST_PTR (sptr, ssize); |
293 | ((_JUMP_BUFFER *)&ctx->env)->Esp = (long)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); |
292 | #elif defined(_M_AMD64) |
294 | #elif defined(_M_AMD64) |
293 | ((_JUMP_BUFFER *)&ctx->env)->Rip = (__int64)coro_init; |
295 | ((_JUMP_BUFFER *)&ctx->env)->Rip = (__int64)coro_init; |
294 | ((_JUMP_BUFFER *)&ctx->env)->Rsp = (__int64)STACK_ADJUST_PTR (sptr, ssize); |
296 | ((_JUMP_BUFFER *)&ctx->env)->Rsp = (__int64)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); |
295 | #elif defined(_M_IA64) |
297 | #elif defined(_M_IA64) |
296 | ((_JUMP_BUFFER *)&ctx->env)->StIIP = (__int64)coro_init; |
298 | ((_JUMP_BUFFER *)&ctx->env)->StIIP = (__int64)coro_init; |
297 | ((_JUMP_BUFFER *)&ctx->env)->IntSp = (__int64)STACK_ADJUST_PTR (sptr, ssize); |
299 | ((_JUMP_BUFFER *)&ctx->env)->IntSp = (__int64)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); |
298 | #else |
300 | #else |
299 | # error "microsoft libc or architecture not supported" |
301 | # error "microsoft libc or architecture not supported" |
300 | #endif |
302 | #endif |
301 | |
303 | |
302 | # elif CORO_LINUX |
304 | # elif CORO_LINUX |
303 | |
305 | |
304 | _setjmp (ctx->env); |
306 | _setjmp (ctx->env); |
305 | #if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (JB_PC) && defined (JB_SP) |
307 | #if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (JB_PC) && defined (JB_SP) |
306 | ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; |
308 | ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; |
307 | ctx->env[0].__jmpbuf[JB_SP] = (long)STACK_ADJUST_PTR (sptr, ssize); |
309 | ctx->env[0].__jmpbuf[JB_SP] = (long)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); |
308 | #elif __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (__mc68000__) |
310 | #elif __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (__mc68000__) |
309 | ctx->env[0].__jmpbuf[0].__aregs[0] = (long int)coro_init; |
311 | ctx->env[0].__jmpbuf[0].__aregs[0] = (long int)coro_init; |
310 | ctx->env[0].__jmpbuf[0].__sp = (int *)((char *)sptr + ssize); |
312 | ctx->env[0].__jmpbuf[0].__sp = (int *)((char *)sptr + ssize) - sizeof (long); |
311 | #elif defined (__GNU_LIBRARY__) && defined (__i386__) |
313 | #elif defined (__GNU_LIBRARY__) && defined (__i386__) |
312 | ctx->env[0].__jmpbuf[0].__pc = (char *)coro_init; |
314 | ctx->env[0].__jmpbuf[0].__pc = (char *)coro_init; |
313 | ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize); |
315 | ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize) - sizeof (long); |
314 | #elif defined (__GNU_LIBRARY__) && defined (__amd64__) |
316 | #elif defined (__GNU_LIBRARY__) && defined (__amd64__) |
315 | ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; |
317 | ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; |
316 | ctx->env[0].__jmpbuf[JB_RSP] = (long)STACK_ADJUST_PTR (sptr, ssize); |
318 | ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize) - sizeof (long); |
317 | #else |
319 | #else |
318 | # error "linux libc or architecture not supported" |
320 | # error "linux libc or architecture not supported" |
319 | #endif |
321 | #endif |
320 | |
322 | |
321 | # elif CORO_IRIX |
323 | # elif CORO_IRIX |
322 | |
324 | |
323 | setjmp (ctx->env); |
325 | setjmp (ctx->env); |
324 | ctx->env[JB_PC] = (__uint64_t)coro_init; |
326 | ctx->env[JB_PC] = (__uint64_t)coro_init; |
325 | ctx->env[JB_SP] = (__uint64_t)STACK_ADJUST_PTR (sptr, ssize); |
327 | ctx->env[JB_SP] = (__uint64_t)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); |
326 | |
328 | |
327 | # elif CORO_ASM |
329 | # elif CORO_ASM |
328 | |
330 | |
329 | ctx->sp = (volatile void **)(ssize + (char *)sptr); |
331 | ctx->sp = (volatile void **)(ssize + (char *)sptr); |
330 | /* we try to allow for both functions with and without frame pointers */ |
332 | *--ctx->sp = (void *)abort; /* needed for alignment only */ |
331 | *--ctx->sp = (void *)coro_init; |
333 | *--ctx->sp = (void *)coro_init; |
332 | { |
334 | ctx->sp -= NUM_SAVED; |
333 | int i; |
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334 | for (i = NUM_SAVED; i--; ) |
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335 | *--ctx->sp = 0; |
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336 | } |
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337 | |
335 | |
338 | # endif |
336 | # endif |
339 | |
337 | |
340 | coro_transfer ((coro_context *)create_coro, (coro_context *)new_coro); |
338 | coro_transfer ((coro_context *)create_coro, (coro_context *)new_coro); |
341 | |
339 | |