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/cvs/libcoro/coro.c
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Comparing libcoro/coro.c (file contents):
Revision 1.8 by root, Sun Sep 16 01:34:36 2001 UTC vs.
Revision 1.15 by root, Mon Mar 21 14:35:22 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
52# include <stdio.h>
51#include <signal.h> 53# include <signal.h>
54#endif
52 55
53static volatile coro_func coro_init_func; 56static volatile coro_func coro_init_func;
54static volatile void *coro_init_arg; 57static volatile void *coro_init_arg;
55static volatile coro_context *new_coro, *create_coro; 58static volatile coro_context *new_coro, *create_coro;
56 59
… …
72 75
73static volatile int trampoline_count; 76static volatile int trampoline_count;
74 77
75/* trampoline signal handler */ 78/* trampoline signal handler */
76static void 79static void
77trampoline(int sig) 80trampoline (int sig)
78{ 81{
79 if (setjmp (((coro_context *)new_coro)->env)) 82 if (setjmp (((coro_context *)new_coro)->env))
80 coro_init (); /* start it */ 83 coro_init (); /* start it */
81 else 84 else
82 trampoline_count++; 85 trampoline_count++;
… …
94#if CORO_UCONTEXT 97#if CORO_UCONTEXT
95 98
96 getcontext (&(ctx->uc)); 99 getcontext (&(ctx->uc));
97 100
98 ctx->uc.uc_link = 0; 101 ctx->uc.uc_link = 0;
99 ctx->uc.uc_stack.ss_sp = STACK_ADJUST_PTR(sptr,ssize); 102 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); 103 ctx->uc.uc_stack.ss_size = (size_t) STACK_ADJUST_SIZE (sptr,ssize);
101 ctx->uc.uc_stack.ss_flags = 0; 104 ctx->uc.uc_stack.ss_flags = 0;
102 105
103 makecontext (&(ctx->uc), (void (*)()) coro, 1, arg); 106 makecontext (&(ctx->uc), (void (*)()) coro, 1, arg);
104 107
… …
130 133
131 if (sigaction (SIGUSR2, &nsa, &osa)) 134 if (sigaction (SIGUSR2, &nsa, &osa))
132 perror ("sigaction"); 135 perror ("sigaction");
133 136
134 /* set the new stack */ 137 /* set the new stack */
135 nstk.ss_sp = STACK_ADJUST(sptr,ssize); /* yes, some platforms (IRIX) get this wrong. */ 138 nstk.ss_sp = STACK_ADJUST_PTR (sptr,ssize); /* yes, some platforms (IRIX) get this wrong. */
136 nstk.ss_size = STACK_ADJUST_SIZE (sptr,ssize); 139 nstk.ss_size = STACK_ADJUST_SIZE (sptr,ssize);
137 nstk.ss_flags = 0; 140 nstk.ss_flags = 0;
138 141
139 if (sigaltstack (&nstk, &ostk) < 0) 142 if (sigaltstack (&nstk, &ostk) < 0)
140 perror ("sigaltstack"); 143 perror ("sigaltstack");
… …
163 sigprocmask (SIG_SETMASK, &osig, 0); 166 sigprocmask (SIG_SETMASK, &osig, 0);
164 167
165# elif CORO_LOOSE 168# elif CORO_LOOSE
166 169
167 setjmp (ctx->env); 170 setjmp (ctx->env);
168 ctx->env[7] = (int)((char *)sptr + ssize); 171 ctx->env[7] = (long)((char *)sptr + ssize);
169 ctx->env[8] = (int)coro_init; 172 ctx->env[8] = (long)coro_init;
170 173
171# elif CORO_LINUX 174# elif CORO_LINUX
172 175
173 setjmp (ctx->env); 176 setjmp (ctx->env);
174#if defined(__GLIBC__) && defined(__GLIBC_MINOR__) \ 177#if defined(__GLIBC__) && defined(__GLIBC_MINOR__) \
175 && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined(JB_PC) && defined(JB_SP) 178 && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined(JB_PC) && defined(JB_SP)
176 ctx->env[0].__jmpbuf[JB_PC] = (int)coro_init; 179 ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init;
177 ctx->env[0].__jmpbuf[JB_SP] = (int)STACK_ADJUST_PTR(sptr,ssize); 180 ctx->env[0].__jmpbuf[JB_SP] = (long)STACK_ADJUST_PTR (sptr,ssize);
178#elif defined(__GLIBC__) && defined(__GLIBC_MINOR__) \ 181#elif defined(__GLIBC__) && defined(__GLIBC_MINOR__) \
179 && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined(__mc68000__) 182 && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined(__mc68000__)
180 ctx->env[0].__jmpbuf[0].__aregs[0] = (long int)coro_init; 183 ctx->env[0].__jmpbuf[0].__aregs[0] = (long int)coro_init;
181 ctx->env[0].__jmpbuf[0].__sp = (int *)((char *)sptr + ssize); 184 ctx->env[0].__jmpbuf[0].__sp = (int *)((char *)sptr + ssize);
182#elif defined(__GNU_LIBRARY__) && defined(__i386__) 185#elif defined(__GNU_LIBRARY__) && defined(__i386__)
183 ctx->env[0].__jmpbuf[0].__pc = (char *)coro_init; 186 ctx->env[0].__jmpbuf[0].__pc = (char *)coro_init;
184 ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize); 187 ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize);
188#elif defined(__GNU_LIBRARY__) && defined(__amd64__)
189 ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init;
190 ctx->env[0].__jmpbuf[JB_RSP] = (long)((char *)sptr + ssize);
185#else 191#else
186#error "linux libc or architecture not supported" 192#error "linux libc or architecture not supported"
187#endif 193#endif
188 194
189# elif CORO_IRIX 195# elif CORO_IRIX
190 196
191 setjmp (ctx->env); 197 setjmp (ctx->env);
192 ctx->env[JB_PC] = (__uint64_t)coro_init; 198 ctx->env[JB_PC] = (__uint64_t)coro_init;
193 ctx->env[JB_SP] = (__uint64_t)STACK_ADJUST_PTR(sptr,ssize); 199 ctx->env[JB_SP] = (__uint64_t)STACK_ADJUST_PTR (sptr,ssize);
194 200
195# endif 201# endif
196 202
197 coro_transfer ((coro_context *)create_coro, (coro_context *)new_coro); 203 coro_transfer ((coro_context *)create_coro, (coro_context *)new_coro);
198 204

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