29 lines
615 B
C++
29 lines
615 B
C++
#include <ucontext.h>
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namespace factor
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{
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inline static void *ucontext_stack_pointer(void *uap)
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{
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ucontext_t *ucontext = (ucontext_t *)uap;
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return (void *)ucontext->uc_mcontext.gregs[7];
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}
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inline static unsigned int uap_fpu_status(void *uap)
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{
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// XXX mxcsr not available in i386 ucontext
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ucontext_t *ucontext = (ucontext_t *)uap;
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return ucontext->uc_mcontext.fpregs->sw;
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}
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inline static void uap_clear_fpu_status(void *uap)
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{
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ucontext_t *ucontext = (ucontext_t *)uap;
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ucontext->uc_mcontext.fpregs->sw = 0;
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}
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#define UAP_PROGRAM_COUNTER(ucontext) \
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(((ucontext_t *)(ucontext))->uc_mcontext.gregs[14])
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}
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