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/cvs/cvsroot/libcoro/coro.c
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Comparing cvsroot/libcoro/coro.c (file contents):
Revision 1.8 by root, Sun Sep 16 01:34:36 2001 UTC vs.
Revision 1.14 by root, Mon Mar 21 14:17:44 2005 UTC

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
51#if CORO_SJLJ
51#include <signal.h> 52# include <signal.h>
53#endif
52 54
53static volatile coro_func coro_init_func; 55static volatile coro_func coro_init_func;
54static volatile void *coro_init_arg; 56static volatile void *coro_init_arg;
55static volatile coro_context *new_coro, *create_coro; 57static volatile coro_context *new_coro, *create_coro;
56 58
… …
72 74
73static volatile int trampoline_count; 75static volatile int trampoline_count;
74 76
75/* trampoline signal handler */ 77/* trampoline signal handler */
76static void 78static void
77trampoline(int sig) 79trampoline (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++;
… …
94#if CORO_UCONTEXT 96#if CORO_UCONTEXT
95 97
96 getcontext (&(ctx->uc)); 98 getcontext (&(ctx->uc));
97 99
98 ctx->uc.uc_link = 0; 100 ctx->uc.uc_link = 0;
99 ctx->uc.uc_stack.ss_sp = STACK_ADJUST_PTR(sptr,ssize); 101 ctx->uc.uc_stack.ss_sp = STACK_ADJUST_PTR (sptr,ssize);
100 ctx->uc.uc_stack.ss_size = (size_t) STACK_ADJUST_SIZE (sptr,ssize); 102 ctx->uc.uc_stack.ss_size = (size_t) STACK_ADJUST_SIZE (sptr,ssize);
101 ctx->uc.uc_stack.ss_flags = 0; 103 ctx->uc.uc_stack.ss_flags = 0;
102 104
103 makecontext (&(ctx->uc), (void (*)()) coro, 1, arg); 105 makecontext (&(ctx->uc), (void (*)()) coro, 1, arg);
104 106
… …
130 132
131 if (sigaction (SIGUSR2, &nsa, &osa)) 133 if (sigaction (SIGUSR2, &nsa, &osa))
132 perror ("sigaction"); 134 perror ("sigaction");
133 135
134 /* set the new stack */ 136 /* set the new stack */
135 nstk.ss_sp = STACK_ADJUST(sptr,ssize); /* yes, some platforms (IRIX) get this wrong. */ 137 nstk.ss_sp = STACK_ADJUST_PTR (sptr,ssize); /* yes, some platforms (IRIX) get this wrong. */
136 nstk.ss_size = STACK_ADJUST_SIZE (sptr,ssize); 138 nstk.ss_size = STACK_ADJUST_SIZE (sptr,ssize);
137 nstk.ss_flags = 0; 139 nstk.ss_flags = 0;
138 140
139 if (sigaltstack (&nstk, &ostk) < 0) 141 if (sigaltstack (&nstk, &ostk) < 0)
140 perror ("sigaltstack"); 142 perror ("sigaltstack");
… …
163 sigprocmask (SIG_SETMASK, &osig, 0); 165 sigprocmask (SIG_SETMASK, &osig, 0);
164 166
165# elif CORO_LOOSE 167# elif CORO_LOOSE
166 168
167 setjmp (ctx->env); 169 setjmp (ctx->env);
168 ctx->env[7] = (int)((char *)sptr + ssize); 170 ctx->env[7] = (long)((char *)sptr + ssize);
169 ctx->env[8] = (int)coro_init; 171 ctx->env[8] = (long)coro_init;
170 172
171# elif CORO_LINUX 173# elif CORO_LINUX
172 174
173 setjmp (ctx->env); 175 setjmp (ctx->env);
174#if defined(__GLIBC__) && defined(__GLIBC_MINOR__) \ 176#if defined(__GLIBC__) && defined(__GLIBC_MINOR__) \
175 && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined(JB_PC) && defined(JB_SP) 177 && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined(JB_PC) && defined(JB_SP)
176 ctx->env[0].__jmpbuf[JB_PC] = (int)coro_init; 178 ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init;
177 ctx->env[0].__jmpbuf[JB_SP] = (int)STACK_ADJUST_PTR(sptr,ssize); 179 ctx->env[0].__jmpbuf[JB_SP] = (long)STACK_ADJUST_PTR (sptr,ssize);
178#elif defined(__GLIBC__) && defined(__GLIBC_MINOR__) \ 180#elif defined(__GLIBC__) && defined(__GLIBC_MINOR__) \
179 && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined(__mc68000__) 181 && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined(__mc68000__)
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);
187#elif defined(__GNU_LIBRARY__) && defined(__amd64__)
188 ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init;
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
190 195
191 setjmp (ctx->env); 196 setjmp (ctx->env);
192 ctx->env[JB_PC] = (__uint64_t)coro_init; 197 ctx->env[JB_PC] = (__uint64_t)coro_init;
193 ctx->env[JB_SP] = (__uint64_t)STACK_ADJUST_PTR(sptr,ssize); 198 ctx->env[JB_SP] = (__uint64_t)STACK_ADJUST_PTR (sptr,ssize);
194 199
195# endif 200# endif
196 201
197 coro_transfer ((coro_context *)create_coro, (coro_context *)new_coro); 202 coro_transfer ((coro_context *)create_coro, (coro_context *)new_coro);
198 203

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