1 | /* |
1 | /* |
2 | * Copyright (c) 2001-2006 Marc Alexander Lehmann <schmorp@schmorp.de> |
2 | * Copyright (c) 2001-2008 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, |
8 | * this list of conditions and the following disclaimer. |
8 | * this list of conditions and the following disclaimer. |
9 | * |
9 | * |
10 | * 2. Redistributions in binary form must reproduce the above copyright |
10 | * 2. Redistributions in binary form must reproduce the above copyright |
11 | * notice, this list of conditions and the following disclaimer in the |
11 | * notice, this list of conditions and the following disclaimer in the |
12 | * documentation and/or other materials provided with the distribution. |
12 | * documentation and/or other materials provided with the distribution. |
13 | * |
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14 | * 3. The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
13 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
14 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
15 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
16 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
17 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
… | |
… | |
23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
20 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
21 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
22 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
23 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | * |
24 | * |
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25 | * Alternatively, the contents of this file may be used under the terms of |
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26 | * the GNU General Public License ("GPL") version 2 or any later version, |
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27 | * in which case the provisions of the GPL are applicable instead of |
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28 | * the above. If you wish to allow the use of your version of this file |
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29 | * only under the terms of the GPL and not to allow others to use your |
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30 | * version of this file under the BSD license, indicate your decision |
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31 | * by deleting the provisions above and replace them with the notice |
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32 | * and other provisions required by the GPL. If you do not delete the |
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33 | * provisions above, a recipient may use your version of this file under |
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34 | * either the BSD or the GPL. |
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35 | * |
28 | * This library is modelled strictly after Ralf S. Engelschalls article at |
36 | * This library is modelled strictly after Ralf S. Engelschalls article at |
29 | * http://www.gnu.org/software/pth/rse-pmt.ps. So most of the credit must |
37 | * http://www.gnu.org/software/pth/rse-pmt.ps. So most of the credit must |
30 | * go to Ralf S. Engelschall <rse@engelschall.com>. |
38 | * go to Ralf S. Engelschall <rse@engelschall.com>. |
31 | */ |
39 | */ |
32 | |
40 | |
33 | #include "coro.h" |
41 | #include "coro.h" |
34 | |
42 | |
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43 | #include <string.h> |
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44 | |
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45 | /*****************************************************************************/ |
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46 | /* ucontext/setjmp/asm backends */ |
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47 | /*****************************************************************************/ |
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48 | #if CORO_UCONTEXT || CORO_SJLJ || CORO_LOSER || CORO_LINUX || CORO_IRIX || CORO_ASM |
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49 | |
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50 | # if CORO_UCONTEXT |
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51 | # include <stddef.h> |
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52 | # endif |
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53 | |
35 | #if !defined(STACK_ADJUST_PTR) |
54 | # if !defined(STACK_ADJUST_PTR) |
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55 | # if __sgi |
36 | /* IRIX is decidedly NON-unix */ |
56 | /* IRIX is decidedly NON-unix */ |
37 | # if __sgi |
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38 | # define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss) - 8) |
57 | # define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss) - 8) |
39 | # define STACK_ADJUST_SIZE(sp,ss) ((ss) - 8) |
58 | # define STACK_ADJUST_SIZE(sp,ss) ((ss) - 8) |
40 | # elif __i386__ && CORO_LINUX |
59 | # elif (__i386__ && CORO_LINUX) || (_M_IX86 && CORO_LOSER) |
41 | # define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss)) |
60 | # define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss)) |
42 | # define STACK_ADJUST_SIZE(sp,ss) (ss) |
61 | # define STACK_ADJUST_SIZE(sp,ss) (ss) |
43 | # elif __amd64__ && CORO_LINUX |
62 | # elif (__amd64__ && CORO_LINUX) || ((_M_AMD64 || _M_IA64) && CORO_LOSER) |
44 | # define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss) - 8) |
63 | # define STACK_ADJUST_PTR(sp,ss) ((char *)(sp) + (ss) - 8) |
45 | # define STACK_ADJUST_SIZE(sp,ss) (ss) |
64 | # define STACK_ADJUST_SIZE(sp,ss) (ss) |
46 | # else |
65 | # else |
47 | # define STACK_ADJUST_PTR(sp,ss) (sp) |
66 | # define STACK_ADJUST_PTR(sp,ss) (sp) |
48 | # define STACK_ADJUST_SIZE(sp,ss) (ss) |
67 | # define STACK_ADJUST_SIZE(sp,ss) (ss) |
49 | # endif |
68 | # endif |
50 | #endif |
69 | # endif |
51 | |
70 | |
52 | #if CORO_UCONTEXT |
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53 | # include <stddef.h> |
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54 | #endif |
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55 | |
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56 | #if CORO_SJLJ || CORO_LOSER || CORO_LINUX || CORO_IRIX |
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57 | |
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58 | #include <stdlib.h> |
71 | # include <stdlib.h> |
59 | |
72 | |
60 | #if CORO_SJLJ |
73 | # if CORO_SJLJ |
61 | # include <stdio.h> |
74 | # include <stdio.h> |
62 | # include <signal.h> |
75 | # include <signal.h> |
63 | # include <unistd.h> |
76 | # include <unistd.h> |
64 | #endif |
77 | # endif |
65 | |
78 | |
66 | static volatile coro_func coro_init_func; |
79 | static coro_func coro_init_func; |
67 | static volatile void *coro_init_arg; |
80 | static void *coro_init_arg; |
68 | static volatile coro_context *new_coro, *create_coro; |
81 | static coro_context *new_coro, *create_coro; |
69 | |
82 | |
70 | static void |
83 | static void |
71 | coro_init (void) |
84 | coro_init (void) |
72 | { |
85 | { |
73 | volatile coro_func func = coro_init_func; |
86 | volatile coro_func func = coro_init_func; |
74 | volatile void *arg = coro_init_arg; |
87 | volatile void *arg = coro_init_arg; |
75 | |
88 | |
76 | coro_transfer ((coro_context *)new_coro, (coro_context *)create_coro); |
89 | coro_transfer (new_coro, create_coro); |
77 | |
90 | |
78 | func ((void *)arg); |
91 | func ((void *)arg); |
79 | |
92 | |
80 | /* the new coro returned. bad. just abort() for now */ |
93 | /* the new coro returned. bad. just abort() for now */ |
81 | abort (); |
94 | abort (); |
82 | } |
95 | } |
83 | |
96 | |
84 | # if CORO_SJLJ |
97 | # if CORO_SJLJ |
85 | |
98 | |
86 | static volatile int trampoline_count; |
99 | static volatile int trampoline_done; |
87 | |
100 | |
88 | /* trampoline signal handler */ |
101 | /* trampoline signal handler */ |
89 | static void |
102 | static void |
90 | trampoline (int sig) |
103 | trampoline (int sig) |
91 | { |
104 | { |
92 | if (setjmp (((coro_context *)new_coro)->env)) |
105 | if (coro_setjmp (new_coro->env)) |
93 | coro_init (); /* start it */ |
106 | coro_init (); /* start it */ |
94 | else |
107 | else |
95 | trampoline_count++; |
108 | trampoline_done = 1; |
96 | } |
109 | } |
97 | |
110 | |
98 | # endif |
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99 | |
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100 | #endif |
111 | # endif |
101 | |
112 | |
102 | /* initialize a machine state */ |
113 | # if CORO_ASM |
103 | void coro_create (coro_context *ctx, |
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104 | coro_func coro, void *arg, |
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105 | void *sptr, long ssize) |
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106 | { |
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107 | #if CORO_UCONTEXT |
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108 | |
114 | |
109 | getcontext (&(ctx->uc)); |
115 | asm ( |
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116 | ".text\n" |
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117 | ".globl coro_transfer\n" |
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118 | ".type coro_transfer, @function\n" |
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119 | "coro_transfer:\n" |
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120 | #if __amd64 |
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121 | #define NUM_SAVED 6 |
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122 | "\tpush %rbp\n" |
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123 | "\tpush %rbx\n" |
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124 | "\tpush %r12\n" |
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125 | "\tpush %r13\n" |
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126 | "\tpush %r14\n" |
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127 | "\tpush %r15\n" |
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128 | "\tmov %rsp, (%rdi)\n" |
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129 | "\tmov (%rsi), %rsp\n" |
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130 | "\tpop %r15\n" |
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131 | "\tpop %r14\n" |
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132 | "\tpop %r13\n" |
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133 | "\tpop %r12\n" |
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134 | "\tpop %rbx\n" |
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135 | "\tpop %rbp\n" |
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136 | #elif __i386 |
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137 | #define NUM_SAVED 4 |
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138 | "\tpush %ebp\n" |
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139 | "\tpush %ebx\n" |
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140 | "\tpush %esi\n" |
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141 | "\tpush %edi\n" |
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142 | "\tmov %esp, (%eax)\n" |
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143 | "\tmov (%edx), %esp\n" |
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144 | "\tpop %edi\n" |
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145 | "\tpop %esi\n" |
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146 | "\tpop %ebx\n" |
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147 | "\tpop %ebp\n" |
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148 | #else |
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149 | #error unsupported architecture |
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150 | #endif |
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151 | "\tret\n" |
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152 | ); |
110 | |
153 | |
111 | ctx->uc.uc_link = 0; |
154 | # endif |
112 | ctx->uc.uc_stack.ss_sp = STACK_ADJUST_PTR (sptr,ssize); |
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113 | ctx->uc.uc_stack.ss_size = (size_t) STACK_ADJUST_SIZE (sptr,ssize); |
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114 | ctx->uc.uc_stack.ss_flags = 0; |
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115 | |
155 | |
116 | makecontext (&(ctx->uc), (void (*)()) coro, 1, arg); |
156 | void |
117 | |
157 | coro_create (coro_context *ctx, coro_func coro, void *arg, void *sptr, long ssize) |
118 | #elif CORO_SJLJ || CORO_LOSER || CORO_LINUX || CORO_IRIX |
158 | { |
119 | |
159 | coro_context nctx; |
120 | # if CORO_SJLJ |
160 | # if CORO_SJLJ |
121 | stack_t ostk, nstk; |
161 | stack_t ostk, nstk; |
122 | struct sigaction osa, nsa; |
162 | struct sigaction osa, nsa; |
123 | sigset_t nsig, osig; |
163 | sigset_t nsig, osig; |
124 | # endif |
164 | # endif |
125 | coro_context nctx; |
165 | |
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166 | if (!coro) |
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167 | return; |
126 | |
168 | |
127 | coro_init_func = coro; |
169 | coro_init_func = coro; |
128 | coro_init_arg = arg; |
170 | coro_init_arg = arg; |
129 | |
171 | |
130 | new_coro = ctx; |
172 | new_coro = ctx; |
… | |
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156 | { |
198 | { |
157 | perror ("sigaltstack"); |
199 | perror ("sigaltstack"); |
158 | abort (); |
200 | abort (); |
159 | } |
201 | } |
160 | |
202 | |
161 | trampoline_count = 0; |
203 | trampoline_done = 0; |
162 | kill (getpid (), SIGUSR2); |
204 | kill (getpid (), SIGUSR2); |
163 | sigfillset (&nsig); sigdelset (&nsig, SIGUSR2); |
205 | sigfillset (&nsig); sigdelset (&nsig, SIGUSR2); |
164 | |
206 | |
165 | while (!trampoline_count) |
207 | while (!trampoline_done) |
166 | sigsuspend (&nsig); |
208 | sigsuspend (&nsig); |
167 | |
209 | |
168 | sigaltstack (0, &nstk); |
210 | sigaltstack (0, &nstk); |
169 | nstk.ss_flags = SS_DISABLE; |
211 | nstk.ss_flags = SS_DISABLE; |
170 | if (sigaltstack (&nstk, 0) < 0) |
212 | if (sigaltstack (&nstk, 0) < 0) |
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176 | |
218 | |
177 | if (~ostk.ss_flags & SS_DISABLE) |
219 | if (~ostk.ss_flags & SS_DISABLE) |
178 | sigaltstack (&ostk, 0); |
220 | sigaltstack (&ostk, 0); |
179 | |
221 | |
180 | sigaction (SIGUSR2, &osa, 0); |
222 | sigaction (SIGUSR2, &osa, 0); |
181 | |
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182 | sigprocmask (SIG_SETMASK, &osig, 0); |
223 | sigprocmask (SIG_SETMASK, &osig, 0); |
183 | |
224 | |
184 | # elif CORO_LOSER |
225 | # elif CORO_LOSER |
185 | |
226 | |
186 | setjmp (ctx->env); |
227 | coro_setjmp (ctx->env); |
187 | #if __CYGWIN__ |
228 | #if __CYGWIN__ |
188 | ctx->env[7] = (long)((char *)sptr + ssize); |
229 | ctx->env[7] = (long)((char *)sptr + ssize) - sizeof (long); |
189 | ctx->env[8] = (long)coro_init; |
230 | ctx->env[8] = (long)coro_init; |
190 | #elif defined(_M_IX86) |
231 | #elif defined(_M_IX86) |
191 | ((_JUMP_BUFFER *)&ctx->env)->Eip = (long)coro_init; |
232 | ((_JUMP_BUFFER *)&ctx->env)->Eip = (long)coro_init; |
192 | ((_JUMP_BUFFER *)&ctx->env)->Esp = (long)STACK_ADJUST_PTR (sptr,ssize); |
233 | ((_JUMP_BUFFER *)&ctx->env)->Esp = (long)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); |
193 | #elif defined(_M_AMD64) |
234 | #elif defined(_M_AMD64) |
194 | ((_JUMP_BUFFER *)&ctx->env)->Rip = (__int64)coro_init; |
235 | ((_JUMP_BUFFER *)&ctx->env)->Rip = (__int64)coro_init; |
195 | ((_JUMP_BUFFER *)&ctx->env)->Rsp = (__int64)STACK_ADJUST_PTR (sptr,ssize); |
236 | ((_JUMP_BUFFER *)&ctx->env)->Rsp = (__int64)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); |
196 | #elif defined(_M_IA64) |
237 | #elif defined(_M_IA64) |
197 | ((_JUMP_BUFFER *)&ctx->env)->StIIP = (__int64)coro_init; |
238 | ((_JUMP_BUFFER *)&ctx->env)->StIIP = (__int64)coro_init; |
198 | ((_JUMP_BUFFER *)&ctx->env)->IntSp = (__int64)STACK_ADJUST_PTR (sptr,ssize); |
239 | ((_JUMP_BUFFER *)&ctx->env)->IntSp = (__int64)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); |
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240 | #else |
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241 | #error "microsoft libc or architecture not supported" |
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242 | #endif |
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243 | |
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244 | # elif CORO_LINUX |
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245 | |
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246 | coro_setjmp (ctx->env); |
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247 | #if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (JB_PC) && defined (JB_SP) |
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248 | ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; |
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249 | ctx->env[0].__jmpbuf[JB_SP] = (long)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); |
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250 | #elif __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (__mc68000__) |
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251 | ctx->env[0].__jmpbuf[0].__aregs[0] = (long int)coro_init; |
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252 | ctx->env[0].__jmpbuf[0].__sp = (int *)((char *)sptr + ssize) - sizeof (long); |
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253 | #elif defined (__GNU_LIBRARY__) && defined (__i386__) |
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254 | ctx->env[0].__jmpbuf[0].__pc = (char *)coro_init; |
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255 | ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize) - sizeof (long); |
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256 | #elif defined (__GNU_LIBRARY__) && defined (__amd64__) |
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257 | ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; |
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258 | ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize) - sizeof (long); |
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259 | #else |
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260 | #error "linux libc or architecture not supported" |
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261 | #endif |
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262 | |
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263 | # elif CORO_IRIX |
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264 | |
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265 | coro_setjmp (ctx->env, 0); |
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266 | ctx->env[JB_PC] = (__uint64_t)coro_init; |
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267 | ctx->env[JB_SP] = (__uint64_t)STACK_ADJUST_PTR (sptr, ssize) - sizeof (long); |
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268 | |
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269 | # elif CORO_ASM |
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270 | |
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271 | ctx->sp = (void **)(ssize + (char *)sptr); |
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272 | *--ctx->sp = (void *)abort; /* needed for alignment only */ |
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273 | *--ctx->sp = (void *)coro_init; |
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274 | ctx->sp -= NUM_SAVED; |
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275 | |
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276 | # elif CORO_UCONTEXT |
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277 | |
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278 | getcontext (&(ctx->uc)); |
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279 | |
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280 | ctx->uc.uc_link = 0; |
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281 | ctx->uc.uc_stack.ss_sp = sptr; |
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282 | ctx->uc.uc_stack.ss_size = (size_t)ssize; |
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283 | ctx->uc.uc_stack.ss_flags = 0; |
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284 | |
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285 | makecontext (&(ctx->uc), (void (*)())coro_init, 0); |
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286 | |
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287 | # endif |
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288 | |
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289 | coro_transfer (create_coro, new_coro); |
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290 | } |
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291 | |
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292 | /*****************************************************************************/ |
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293 | /* pthread backend */ |
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294 | /*****************************************************************************/ |
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295 | #elif CORO_PTHREAD |
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296 | |
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297 | /* this mutex will be locked by the running coroutine */ |
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298 | pthread_mutex_t coro_mutex = PTHREAD_MUTEX_INITIALIZER; |
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299 | |
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300 | struct coro_init_args |
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301 | { |
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302 | coro_func func; |
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303 | void *arg; |
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304 | coro_context *self, *main; |
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305 | }; |
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306 | |
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307 | static pthread_t null_tid; |
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308 | |
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309 | /* I'd so love to cast pthread_mutex_unlock to void (*)(void *)... */ |
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310 | static void |
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311 | mutex_unlock_wrapper (void *arg) |
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312 | { |
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313 | pthread_mutex_unlock ((pthread_mutex_t *)arg); |
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314 | } |
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315 | |
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316 | static void * |
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317 | coro_init (void *args_) |
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318 | { |
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319 | struct coro_init_args *args = (struct coro_init_args *)args_; |
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320 | coro_func func = args->func; |
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321 | void *arg = args->arg; |
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322 | |
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323 | pthread_mutex_lock (&coro_mutex); |
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324 | |
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325 | /* we try to be good citizens and use deferred cancellation and cleanup handlers */ |
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326 | pthread_cleanup_push (mutex_unlock_wrapper, &coro_mutex); |
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327 | coro_transfer (args->self, args->main); |
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328 | func (arg); |
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329 | pthread_cleanup_pop (1); |
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330 | |
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331 | return 0; |
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332 | } |
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333 | |
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334 | void |
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335 | coro_transfer (coro_context *prev, coro_context *next) |
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336 | { |
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337 | pthread_cond_signal (&next->cv); |
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338 | pthread_cond_wait (&prev->cv, &coro_mutex); |
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339 | #if __FreeBSD__ /* freebsd is of course broken and needs manual testcancel calls... yay... */ |
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340 | pthread_testcancel (); |
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341 | #endif |
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342 | } |
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343 | |
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344 | void |
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345 | coro_create (coro_context *ctx, coro_func coro, void *arg, void *sptr, long ssize) |
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346 | { |
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347 | static coro_context nctx; |
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348 | static int once; |
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349 | |
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350 | if (!once) |
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351 | { |
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352 | once = 1; |
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353 | |
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354 | pthread_mutex_lock (&coro_mutex); |
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355 | pthread_cond_init (&nctx.cv, 0); |
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356 | null_tid = pthread_self (); |
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357 | } |
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358 | |
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359 | pthread_cond_init (&ctx->cv, 0); |
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360 | |
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361 | if (coro) |
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362 | { |
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363 | pthread_attr_t attr; |
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364 | struct coro_init_args args; |
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365 | |
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366 | args.func = coro; |
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367 | args.arg = arg; |
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368 | args.self = ctx; |
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369 | args.main = &nctx; |
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370 | |
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371 | pthread_attr_init (&attr); |
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372 | pthread_attr_setstack (&attr, sptr, (size_t)ssize); |
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373 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
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374 | pthread_create (&ctx->id, &attr, coro_init, &args); |
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375 | |
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376 | coro_transfer (args.main, args.self); |
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377 | } |
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378 | else |
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379 | ctx->id = null_tid; |
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380 | } |
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381 | |
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382 | void |
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383 | coro_destroy (coro_context *ctx) |
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384 | { |
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385 | if (!pthread_equal (ctx->id, null_tid)) |
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386 | { |
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387 | pthread_cancel (ctx->id); |
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388 | pthread_mutex_unlock (&coro_mutex); |
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389 | pthread_join (ctx->id, 0); |
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390 | pthread_mutex_lock (&coro_mutex); |
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391 | } |
|
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392 | |
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393 | pthread_cond_destroy (&ctx->cv); |
|
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394 | } |
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395 | |
199 | #else |
396 | #else |
200 | #error "microsoft libc or architecture not supported" |
397 | # error unsupported backend |
201 | #endif |
398 | #endif |
202 | |
399 | |
203 | # elif CORO_LINUX |
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204 | |
|
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205 | _setjmp (ctx->env); |
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206 | #if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (JB_PC) && defined (JB_SP) |
|
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207 | ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; |
|
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208 | ctx->env[0].__jmpbuf[JB_SP] = (long)STACK_ADJUST_PTR (sptr, ssize); |
|
|
209 | #elif __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 0 && defined (__mc68000__) |
|
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210 | ctx->env[0].__jmpbuf[0].__aregs[0] = (long int)coro_init; |
|
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211 | ctx->env[0].__jmpbuf[0].__sp = (int *)((char *)sptr + ssize); |
|
|
212 | #elif defined (__GNU_LIBRARY__) && defined (__i386__) |
|
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213 | ctx->env[0].__jmpbuf[0].__pc = (char *)coro_init; |
|
|
214 | ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize); |
|
|
215 | #elif defined (__GNU_LIBRARY__) && defined (__amd64__) |
|
|
216 | ctx->env[0].__jmpbuf[JB_PC] = (long)coro_init; |
|
|
217 | ctx->env[0].__jmpbuf[JB_RSP] = (long)STACK_ADJUST_PTR (sptr, ssize); |
|
|
218 | #else |
|
|
219 | #error "linux libc or architecture not supported" |
|
|
220 | #endif |
|
|
221 | |
|
|
222 | # elif CORO_IRIX |
|
|
223 | |
|
|
224 | setjmp (ctx->env); |
|
|
225 | ctx->env[JB_PC] = (__uint64_t)coro_init; |
|
|
226 | ctx->env[JB_SP] = (__uint64_t)STACK_ADJUST_PTR (sptr, ssize); |
|
|
227 | |
|
|
228 | # endif |
|
|
229 | |
|
|
230 | coro_transfer ((coro_context *)create_coro, (coro_context *)new_coro); |
|
|
231 | |
|
|
232 | #else |
|
|
233 | error unsupported architecture |
|
|
234 | #endif |
|
|
235 | } |
|
|
236 | |
|
|