1 | /* |
1 | /* |
2 | * Copyright (c) 2001-2008 Marc Alexander Lehmann <schmorp@schmorp.de> |
2 | * Copyright (c) 2001-2009 Marc Alexander Lehmann <schmorp@schmorp.de> |
3 | * |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without modifica- |
4 | * Redistribution and use in source and binary forms, with or without modifica- |
5 | * tion, are permitted provided that the following conditions are met: |
5 | * tion, are permitted provided that the following conditions are met: |
6 | * |
6 | * |
7 | * 1. Redistributions of source code must retain the above copyright notice, |
7 | * 1. Redistributions of source code must retain the above copyright notice, |
… | |
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100 | |
100 | |
101 | /* trampoline signal handler */ |
101 | /* trampoline signal handler */ |
102 | static void |
102 | static void |
103 | trampoline (int sig) |
103 | trampoline (int sig) |
104 | { |
104 | { |
105 | if ( |
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106 | #if _XOPEN_UNIX > 0 |
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107 | _setjmp (new_coro->env) |
105 | if (coro_setjmp (new_coro->env)) |
108 | #else |
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109 | sigsetjmp (new_coro->env, 0) |
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110 | #endif |
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111 | ) { |
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112 | coro_init (); /* start it */ |
106 | coro_init (); /* start it */ |
113 | } |
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114 | else |
107 | else |
115 | trampoline_done = 1; |
108 | trampoline_done = 1; |
116 | } |
109 | } |
117 | |
110 | |
118 | # endif |
111 | # endif |
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… | |
123 | ".text\n" |
116 | ".text\n" |
124 | ".globl coro_transfer\n" |
117 | ".globl coro_transfer\n" |
125 | ".type coro_transfer, @function\n" |
118 | ".type coro_transfer, @function\n" |
126 | "coro_transfer:\n" |
119 | "coro_transfer:\n" |
127 | #if __amd64 |
120 | #if __amd64 |
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121 | #if CORO_WIN_TIB |
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122 | #define NUM_SAVED 6+3 |
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123 | "\tpush %fs:0x0\n" |
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124 | "\tpush %fs:0x8\n" |
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125 | "\tpush %fs:0xc\n" |
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126 | #else |
128 | #define NUM_SAVED 6 |
127 | #define NUM_SAVED 6 |
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128 | #endif |
129 | "\tpush %rbp\n" |
129 | "\tpush %rbp\n" |
130 | "\tpush %rbx\n" |
130 | "\tpush %rbx\n" |
131 | "\tpush %r12\n" |
131 | "\tpush %r12\n" |
132 | "\tpush %r13\n" |
132 | "\tpush %r13\n" |
133 | "\tpush %r14\n" |
133 | "\tpush %r14\n" |
… | |
… | |
138 | "\tpop %r14\n" |
138 | "\tpop %r14\n" |
139 | "\tpop %r13\n" |
139 | "\tpop %r13\n" |
140 | "\tpop %r12\n" |
140 | "\tpop %r12\n" |
141 | "\tpop %rbx\n" |
141 | "\tpop %rbx\n" |
142 | "\tpop %rbp\n" |
142 | "\tpop %rbp\n" |
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143 | #if CORO_WIN_TIB |
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144 | "\tpop %fs:0xc\n" |
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145 | "\tpop %fs:0x8\n" |
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146 | "\tpop %fs:0x0\n" |
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147 | #endif |
143 | #elif __i386 |
148 | #elif __i386 |
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149 | #if CORO_WIN_TIB |
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150 | #define NUM_SAVED 4+3 |
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151 | "\tpush %fs:0x0\n" |
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152 | "\tpush %fs:0x4\n" |
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153 | "\tpush %fs:0x8\n" |
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154 | #else |
144 | #define NUM_SAVED 4 |
155 | #define NUM_SAVED 4 |
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156 | #endif |
145 | "\tpush %ebp\n" |
157 | "\tpush %ebp\n" |
146 | "\tpush %ebx\n" |
158 | "\tpush %ebx\n" |
147 | "\tpush %esi\n" |
159 | "\tpush %esi\n" |
148 | "\tpush %edi\n" |
160 | "\tpush %edi\n" |
149 | "\tmov %esp, (%eax)\n" |
161 | "\tmov %esp, (%eax)\n" |
150 | "\tmov (%edx), %esp\n" |
162 | "\tmov (%edx), %esp\n" |
151 | "\tpop %edi\n" |
163 | "\tpop %edi\n" |
152 | "\tpop %esi\n" |
164 | "\tpop %esi\n" |
153 | "\tpop %ebx\n" |
165 | "\tpop %ebx\n" |
154 | "\tpop %ebp\n" |
166 | "\tpop %ebp\n" |
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167 | #if CORO_WIN_TIB |
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168 | "\tpop %fs:0x8\n" |
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169 | "\tpop %fs:0x4\n" |
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170 | "\tpop %fs:0x0\n" |
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171 | #endif |
155 | #else |
172 | #else |
156 | #error unsupported architecture |
173 | #error unsupported architecture |
157 | #endif |
174 | #endif |
158 | "\tret\n" |
175 | "\tret\n" |
159 | ); |
176 | ); |
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229 | sigaction (SIGUSR2, &osa, 0); |
246 | sigaction (SIGUSR2, &osa, 0); |
230 | sigprocmask (SIG_SETMASK, &osig, 0); |
247 | sigprocmask (SIG_SETMASK, &osig, 0); |
231 | |
248 | |
232 | # elif CORO_LOSER |
249 | # elif CORO_LOSER |
233 | |
250 | |
234 | setjmp (ctx->env); |
251 | coro_setjmp (ctx->env); |
235 | #if __CYGWIN__ |
252 | #if __CYGWIN__ && __i386 |
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253 | ctx->env[8] = (long) coro_init; |
236 | ctx->env[7] = (long)((char *)sptr + ssize) - sizeof (long); |
254 | ctx->env[7] = (long) ((char *)sptr + ssize) - sizeof (long); |
237 | ctx->env[8] = (long)coro_init; |
255 | #elif __CYGWIN__ && __x86_64 |
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256 | ctx->env[7] = (long) coro_init; |
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257 | ctx->env[6] = (long) ((char *)sptr + ssize) - sizeof (long); |
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258 | #elif defined(__MINGW32__) |
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259 | ctx->env[5] = (long) coro_init; |
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260 | ctx->env[4] = (long) ((char *)sptr + ssize) - sizeof (long); |
238 | #elif defined(_M_IX86) |
261 | #elif defined(_M_IX86) |
239 | ((_JUMP_BUFFER *)&ctx->env)->Eip = (long)coro_init; |
262 | ((_JUMP_BUFFER *)&ctx->env)->Eip = (long) coro_init; |
240 | ((_JUMP_BUFFER *)&ctx->env)->Esp = (long)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); |
263 | ((_JUMP_BUFFER *)&ctx->env)->Esp = (long) STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); |
241 | #elif defined(_M_AMD64) |
264 | #elif defined(_M_AMD64) |
242 | ((_JUMP_BUFFER *)&ctx->env)->Rip = (__int64)coro_init; |
265 | ((_JUMP_BUFFER *)&ctx->env)->Rip = (__int64) coro_init; |
243 | ((_JUMP_BUFFER *)&ctx->env)->Rsp = (__int64)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); |
266 | ((_JUMP_BUFFER *)&ctx->env)->Rsp = (__int64) STACK_ADJUST_PTR (sptr, ssize) - sizeof (__int64); |
244 | #elif defined(_M_IA64) |
267 | #elif defined(_M_IA64) |
245 | ((_JUMP_BUFFER *)&ctx->env)->StIIP = (__int64)coro_init; |
268 | ((_JUMP_BUFFER *)&ctx->env)->StIIP = (__int64) coro_init; |
246 | ((_JUMP_BUFFER *)&ctx->env)->IntSp = (__int64)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); |
269 | ((_JUMP_BUFFER *)&ctx->env)->IntSp = (__int64) STACK_ADJUST_PTR (sptr, ssize) - sizeof (__int64); |
247 | #else |
270 | #else |
248 | #error "microsoft libc or architecture not supported" |
271 | #error "microsoft libc or architecture not supported" |
249 | #endif |
272 | #endif |
250 | |
273 | |
251 | # elif CORO_LINUX |
274 | # elif CORO_LINUX |
252 | |
275 | |
253 | _setjmp (ctx->env); |
276 | coro_setjmp (ctx->env); |
254 | #if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (JB_PC) && defined (JB_SP) |
277 | #if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (JB_PC) && defined (JB_SP) |
255 | ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; |
278 | ctx->env[0].__jmpbuf[JB_PC] = (long) coro_init; |
256 | ctx->env[0].__jmpbuf[JB_SP] = (long)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); |
279 | ctx->env[0].__jmpbuf[JB_SP] = (long) STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); |
257 | #elif __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (__mc68000__) |
280 | #elif __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (__mc68000__) |
258 | ctx->env[0].__jmpbuf[0].__aregs[0] = (long int)coro_init; |
281 | ctx->env[0].__jmpbuf[0].__aregs[0] = (long int)coro_init; |
259 | ctx->env[0].__jmpbuf[0].__sp = (int *)((char *)sptr + ssize) - sizeof (long); |
282 | ctx->env[0].__jmpbuf[0].__sp = (int *) ((char *)sptr + ssize) - sizeof (long); |
260 | #elif defined (__GNU_LIBRARY__) && defined (__i386__) |
283 | #elif defined (__GNU_LIBRARY__) && defined (__i386__) |
261 | ctx->env[0].__jmpbuf[0].__pc = (char *)coro_init; |
284 | ctx->env[0].__jmpbuf[0].__pc = (char *) coro_init; |
262 | ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize) - sizeof (long); |
285 | ctx->env[0].__jmpbuf[0].__sp = (void *) ((char *)sptr + ssize) - sizeof (long); |
263 | #elif defined (__GNU_LIBRARY__) && defined (__amd64__) |
286 | #elif defined (__GNU_LIBRARY__) && defined (__amd64__) |
264 | ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; |
287 | ctx->env[0].__jmpbuf[JB_PC] = (long) coro_init; |
265 | ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize) - sizeof (long); |
288 | ctx->env[0].__jmpbuf[0].__sp = (void *) ((char *)sptr + ssize) - sizeof (long); |
266 | #else |
289 | #else |
267 | #error "linux libc or architecture not supported" |
290 | #error "linux libc or architecture not supported" |
268 | #endif |
291 | #endif |
269 | |
292 | |
270 | # elif CORO_IRIX |
293 | # elif CORO_IRIX |
271 | |
294 | |
272 | sigsetjmp (ctx->env, 0); |
295 | coro_setjmp (ctx->env, 0); |
273 | ctx->env[JB_PC] = (__uint64_t)coro_init; |
296 | ctx->env[JB_PC] = (__uint64_t)coro_init; |
274 | ctx->env[JB_SP] = (__uint64_t)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); |
297 | ctx->env[JB_SP] = (__uint64_t)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); |
275 | |
298 | |
276 | # elif CORO_ASM |
299 | # elif CORO_ASM |
277 | |
300 | |
278 | ctx->sp = (void **)(ssize + (char *)sptr); |
301 | ctx->sp = (void **)(ssize + (char *)sptr); |
279 | *--ctx->sp = (void *)abort; /* needed for alignment only */ |
302 | *--ctx->sp = (void *)abort; /* needed for alignment only */ |