1 | /* |
1 | /* |
2 | * Copyright (c) 2001 Marc Alexander Lehmann <pcg@goof.com> |
2 | * Copyright (c) 2001-2005 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, |
… | |
… | |
46 | # endif |
46 | # endif |
47 | #endif |
47 | #endif |
48 | |
48 | |
49 | #if CORO_SJLJ || CORO_LOOSE || CORO_LINUX || CORO_IRIX |
49 | #if CORO_SJLJ || CORO_LOOSE || CORO_LINUX || CORO_IRIX |
50 | |
50 | |
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51 | #if CORO_SJLJ |
51 | #include <signal.h> |
52 | # include <signal.h> |
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53 | #endif |
52 | |
54 | |
53 | static volatile coro_func coro_init_func; |
55 | static volatile coro_func coro_init_func; |
54 | static volatile void *coro_init_arg; |
56 | static volatile void *coro_init_arg; |
55 | static volatile coro_context *new_coro, *create_coro; |
57 | static volatile coro_context *new_coro, *create_coro; |
56 | |
58 | |
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72 | |
74 | |
73 | static volatile int trampoline_count; |
75 | static volatile int trampoline_count; |
74 | |
76 | |
75 | /* trampoline signal handler */ |
77 | /* trampoline signal handler */ |
76 | static void |
78 | static void |
77 | trampoline(int sig) |
79 | trampoline (int sig) |
78 | { |
80 | { |
79 | if (setjmp (((coro_context *)new_coro)->env)) |
81 | if (setjmp (((coro_context *)new_coro)->env)) |
80 | coro_init (); /* start it */ |
82 | coro_init (); /* start it */ |
81 | else |
83 | else |
82 | trampoline_count++; |
84 | trampoline_count++; |
… | |
… | |
180 | ctx->env[0].__jmpbuf[0].__aregs[0] = (long int)coro_init; |
182 | ctx->env[0].__jmpbuf[0].__aregs[0] = (long int)coro_init; |
181 | ctx->env[0].__jmpbuf[0].__sp = (int *)((char *)sptr + ssize); |
183 | ctx->env[0].__jmpbuf[0].__sp = (int *)((char *)sptr + ssize); |
182 | #elif defined(__GNU_LIBRARY__) && defined(__i386__) |
184 | #elif defined(__GNU_LIBRARY__) && defined(__i386__) |
183 | ctx->env[0].__jmpbuf[0].__pc = (char *)coro_init; |
185 | ctx->env[0].__jmpbuf[0].__pc = (char *)coro_init; |
184 | ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize); |
186 | ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize); |
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187 | #elif defined(__GNU_LIBRARY__) && defined(__amd64__) |
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188 | ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; |
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189 | ctx->env[0].__jmpbuf[JB_RSP] = (long)((char *)sptr + ssize); |
185 | #else |
190 | #else |
186 | #error "linux libc or architecture not supported" |
191 | #error "linux libc or architecture not supported" |
187 | #endif |
192 | #endif |
188 | |
193 | |
189 | # elif CORO_IRIX |
194 | # elif CORO_IRIX |