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/cvs/libcoro/coro.c
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Comparing libcoro/coro.c (file contents):
Revision 1.23 by root, Thu Nov 30 18:21:14 2006 UTC vs.
Revision 1.26 by root, Fri Apr 27 19:35:28 2007 UTC

… …
65 65
66static volatile coro_func coro_init_func; 66static volatile coro_func coro_init_func;
67static volatile void *coro_init_arg; 67static volatile void *coro_init_arg;
68static volatile coro_context *new_coro, *create_coro; 68static volatile coro_context *new_coro, *create_coro;
69 69
70/* what we really want to detect here is wether we use a new-enough version of GAS */
71/* instead, check for gcc 3 and ELF and hope for the best */
72#if __GNUC__ >= 3 && __ELF__
73# define HAVE_CFI 1
74#endif
75
70static void 76static void
71coro_init (void) 77coro_init (void)
72{ 78{
73 volatile coro_func func = coro_init_func; 79 volatile coro_func func = coro_init_func;
74 volatile void *arg = coro_init_arg; 80 volatile void *arg = coro_init_arg;
… …
88/* trampoline signal handler */ 94/* trampoline signal handler */
89static void 95static void
90trampoline (int sig) 96trampoline (int sig)
91{ 97{
92 if (setjmp (((coro_context *)new_coro)->env)) 98 if (setjmp (((coro_context *)new_coro)->env))
99 {
100#if HAVE_CFI
101 asm (".cfi_startproc");
102#endif
93 coro_init (); /* start it */ 103 coro_init (); /* start it */
104#if HAVE_CFI
105 asm (".cfi_endproc");
106#endif
107 }
94 else 108 else
95 trampoline_count++; 109 trampoline_count++;
96} 110}
97 111
98# endif 112# endif
… …
201#endif 215#endif
202 216
203# elif CORO_LINUX 217# elif CORO_LINUX
204 218
205 _setjmp (ctx->env); 219 _setjmp (ctx->env);
206#if defined(__GLIBC__) && defined(__GLIBC_MINOR__) \
207 && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined(JB_PC) && defined(JB_SP) 220#if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (JB_PC) && defined (JB_SP)
208 ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; 221 ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init;
209 ctx->env[0].__jmpbuf[JB_SP] = (long)STACK_ADJUST_PTR (sptr,ssize); 222 ctx->env[0].__jmpbuf[JB_SP] = (long)STACK_ADJUST_PTR (sptr, ssize);
210#elif defined(__GLIBC__) && defined(__GLIBC_MINOR__) \
211 && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined(__mc68000__) 223#elif __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (__mc68000__)
212 ctx->env[0].__jmpbuf[0].__aregs[0] = (long int)coro_init; 224 ctx->env[0].__jmpbuf[0].__aregs[0] = (long int)coro_init;
213 ctx->env[0].__jmpbuf[0].__sp = (int *)((char *)sptr + ssize); 225 ctx->env[0].__jmpbuf[0].__sp = (int *)((char *)sptr + ssize);
214#elif defined(__GNU_LIBRARY__) && defined(__i386__) 226#elif defined (__GNU_LIBRARY__) && defined (__i386__)
215 ctx->env[0].__jmpbuf[0].__pc = (char *)coro_init; 227 ctx->env[0].__jmpbuf[0].__pc = (char *)coro_init;
216 ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize); 228 ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize);
217#elif defined(__GNU_LIBRARY__) && defined(__amd64__) 229#elif defined (__GNU_LIBRARY__) && defined (__amd64__)
218 ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; 230 ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init;
219 ctx->env[0].__jmpbuf[JB_RSP] = (long)STACK_ADJUST_PTR (sptr,ssize); 231 ctx->env[0].__jmpbuf[JB_RSP] = (long)STACK_ADJUST_PTR (sptr, ssize);
220#else 232#else
221#error "linux libc or architecture not supported" 233#error "linux libc or architecture not supported"
222#endif 234#endif
223 235
224# elif CORO_IRIX 236# elif CORO_IRIX
225 237
226 setjmp (ctx->env); 238 setjmp (ctx->env);
227 ctx->env[JB_PC] = (__uint64_t)coro_init; 239 ctx->env[JB_PC] = (__uint64_t)coro_init;
228 ctx->env[JB_SP] = (__uint64_t)STACK_ADJUST_PTR (sptr,ssize); 240 ctx->env[JB_SP] = (__uint64_t)STACK_ADJUST_PTR (sptr, ssize);
229 241
230# endif 242# endif
231 243
232 coro_transfer ((coro_context *)create_coro, (coro_context *)new_coro); 244 coro_transfer ((coro_context *)create_coro, (coro_context *)new_coro);
233 245

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