1 | /* |
1 | /* |
2 | * Copyright (c) 2001-2009 Marc Alexander Lehmann <schmorp@schmorp.de> |
2 | * Copyright (c) 2001-2011 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, |
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85 | { |
85 | { |
86 | volatile coro_func func = coro_init_func; |
86 | volatile coro_func func = coro_init_func; |
87 | volatile void *arg = coro_init_arg; |
87 | volatile void *arg = coro_init_arg; |
88 | |
88 | |
89 | coro_transfer (new_coro, create_coro); |
89 | coro_transfer (new_coro, create_coro); |
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90 | |
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91 | #if __linux && __amd64 |
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92 | /* we blindly assume on any __linux with __amd64 we have a new enough gas with .cfi_undefined support */ |
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93 | asm (".cfi_undefined rip"); |
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94 | #endif |
90 | |
95 | |
91 | func ((void *)arg); |
96 | func ((void *)arg); |
92 | |
97 | |
93 | /* the new coro returned. bad. just abort() for now */ |
98 | /* the new coro returned. bad. just abort() for now */ |
94 | abort (); |
99 | abort (); |
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305 | *--ctx->sp = (char *)sptr + ssize; /* StackBase */ |
310 | *--ctx->sp = (char *)sptr + ssize; /* StackBase */ |
306 | *--ctx->sp = sptr; /* StackLimit */ |
311 | *--ctx->sp = sptr; /* StackLimit */ |
307 | #endif |
312 | #endif |
308 | |
313 | |
309 | ctx->sp -= NUM_SAVED; |
314 | ctx->sp -= NUM_SAVED; |
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315 | memset (ctx->sp, 0, sizeof (*ctx->sp) * NUM_SAVED); |
310 | |
316 | |
311 | # elif CORO_UCONTEXT |
317 | # elif CORO_UCONTEXT |
312 | |
318 | |
313 | getcontext (&(ctx->uc)); |
319 | getcontext (&(ctx->uc)); |
314 | |
320 | |