5 inline static unsigned int uap_fpu_status(void* uap) {
6 ucontext_t* ucontext = (ucontext_t*)uap;
7 return ucontext->uc_mcontext.fpregs->swd |
8 ucontext->uc_mcontext.fpregs->mxcsr;
11 inline static void uap_clear_fpu_status(void* uap) {
12 ucontext_t* ucontext = (ucontext_t*)uap;
13 ucontext->uc_mcontext.fpregs->swd = 0;
14 ucontext->uc_mcontext.fpregs->mxcsr &= 0xffffffc0;
17 #define UAP_STACK_POINTER(ucontext) \
18 (((ucontext_t*)ucontext)->uc_mcontext.gregs[15])
19 #define UAP_PROGRAM_COUNTER(ucontext) \
20 (((ucontext_t*)ucontext)->uc_mcontext.gregs[16])
22 #define CODE_TO_FUNCTION_POINTER(code) (void)0
23 #define CODE_TO_FUNCTION_POINTER_CALLBACK(vm, code) (void)0
24 #define FUNCTION_CODE_POINTER(ptr) ptr
25 #define FUNCTION_TOC_POINTER(ptr) ptr
27 // Must match the stack-frame-size constant in
28 // bootstrap/assembler/x86.64.unix.factor
29 static const unsigned JIT_FRAME_SIZE = 32;