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38 | # define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss) - 8) |
38 | # define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss) - 8) |
39 | # define STACK_ADJUST_SIZE(sp,ss) ((ss) - 8) |
39 | # define STACK_ADJUST_SIZE(sp,ss) ((ss) - 8) |
40 | # elif __i386__ && CORO_LINUX |
40 | # elif __i386__ && CORO_LINUX |
41 | # define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss)) |
41 | # define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss)) |
42 | # define STACK_ADJUST_SIZE(sp,ss) (ss) |
42 | # define STACK_ADJUST_SIZE(sp,ss) (ss) |
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43 | # elif __amd64__ && CORO_LINUX |
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44 | # define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss) - 8) |
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45 | # define STACK_ADJUST_SIZE(sp,ss) (ss) |
43 | # else |
46 | # else |
44 | # define STACK_ADJUST_PTR(sp,ss) (sp) |
47 | # define STACK_ADJUST_PTR(sp,ss) (sp) |
45 | # define STACK_ADJUST_SIZE(sp,ss) (ss) |
48 | # define STACK_ADJUST_SIZE(sp,ss) (ss) |
46 | # endif |
49 | # endif |
47 | #endif |
50 | #endif |
48 | |
51 | |
49 | #if CORO_SJLJ || CORO_LOOSE || CORO_LINUX || CORO_IRIX |
52 | #if CORO_SJLJ || CORO_LOSER || CORO_LINUX || CORO_IRIX |
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53 | |
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54 | #include <stdlib.h> |
50 | |
55 | |
51 | #if CORO_SJLJ |
56 | #if CORO_SJLJ |
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57 | # include <stdio.h> |
52 | # include <signal.h> |
58 | # include <signal.h> |
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59 | # include <unistd.h> |
53 | #endif |
60 | #endif |
54 | |
61 | |
55 | static volatile coro_func coro_init_func; |
62 | static volatile coro_func coro_init_func; |
56 | static volatile void *coro_init_arg; |
63 | static volatile void *coro_init_arg; |
57 | static volatile coro_context *new_coro, *create_coro; |
64 | static volatile coro_context *new_coro, *create_coro; |
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102 | ctx->uc.uc_stack.ss_size = (size_t) STACK_ADJUST_SIZE (sptr,ssize); |
109 | ctx->uc.uc_stack.ss_size = (size_t) STACK_ADJUST_SIZE (sptr,ssize); |
103 | ctx->uc.uc_stack.ss_flags = 0; |
110 | ctx->uc.uc_stack.ss_flags = 0; |
104 | |
111 | |
105 | makecontext (&(ctx->uc), (void (*)()) coro, 1, arg); |
112 | makecontext (&(ctx->uc), (void (*)()) coro, 1, arg); |
106 | |
113 | |
107 | #elif CORO_SJLJ || CORO_LOOSE || CORO_LINUX || CORO_IRIX |
114 | #elif CORO_SJLJ || CORO_LOSER || CORO_LINUX || CORO_IRIX |
108 | |
115 | |
109 | # if CORO_SJLJ |
116 | # if CORO_SJLJ |
110 | stack_t ostk, nstk; |
117 | stack_t ostk, nstk; |
111 | struct sigaction osa, nsa; |
118 | struct sigaction osa, nsa; |
112 | sigset_t nsig, osig; |
119 | sigset_t nsig, osig; |
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158 | abort (); |
165 | abort (); |
159 | |
166 | |
160 | if (~ostk.ss_flags & SS_DISABLE) |
167 | if (~ostk.ss_flags & SS_DISABLE) |
161 | sigaltstack (&ostk, 0); |
168 | sigaltstack (&ostk, 0); |
162 | |
169 | |
163 | sigaction (SIGUSR1, &osa, 0); |
170 | sigaction (SIGUSR2, &osa, 0); |
164 | |
171 | |
165 | sigprocmask (SIG_SETMASK, &osig, 0); |
172 | sigprocmask (SIG_SETMASK, &osig, 0); |
166 | |
173 | |
167 | # elif CORO_LOOSE |
174 | # elif CORO_LOSER |
168 | |
175 | |
169 | setjmp (ctx->env); |
176 | setjmp (ctx->env); |
170 | ctx->env[7] = (long)((char *)sptr + ssize); |
177 | ctx->env[7] = (long)((char *)sptr + ssize); |
171 | ctx->env[8] = (long)coro_init; |
178 | ctx->env[8] = (long)coro_init; |
172 | |
179 | |
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184 | #elif defined(__GNU_LIBRARY__) && defined(__i386__) |
191 | #elif defined(__GNU_LIBRARY__) && defined(__i386__) |
185 | ctx->env[0].__jmpbuf[0].__pc = (char *)coro_init; |
192 | ctx->env[0].__jmpbuf[0].__pc = (char *)coro_init; |
186 | ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize); |
193 | ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize); |
187 | #elif defined(__GNU_LIBRARY__) && defined(__amd64__) |
194 | #elif defined(__GNU_LIBRARY__) && defined(__amd64__) |
188 | ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; |
195 | ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; |
189 | ctx->env[0].__jmpbuf[JB_RSP] = (long)((char *)sptr + ssize); |
196 | ctx->env[0].__jmpbuf[JB_RSP] = (long)STACK_ADJUST_PTR (sptr,ssize); |
190 | #else |
197 | #else |
191 | #error "linux libc or architecture not supported" |
198 | #error "linux libc or architecture not supported" |
192 | #endif |
199 | #endif |
193 | |
200 | |
194 | # elif CORO_IRIX |
201 | # elif CORO_IRIX |