sh: makecontext: fix stack alignment
parent
f9a3f65f5b
commit
dd7ef8a806
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@ -30,7 +30,7 @@ libucontext_makecontext(libucontext_ucontext_t *ucp, void (*func)(void), int arg
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int i;
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/* set up and align the stack */
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sp = (libucontext_greg_t *) (((uintptr_t) ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size) & 0x4);
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sp = (libucontext_greg_t *) (((uintptr_t) ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size) & -4L);
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sp -= argc > 4 ? argc - 4 : 0;
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/* set up the context */
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