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])
21 #define UAP_SET_TOC_POINTER(uap, ptr) (void)0
23 #define CODE_TO_FUNCTION_POINTER(code) (void)0
24 #define CODE_TO_FUNCTION_POINTER_CALLBACK(vm, code) (void)0
25 #define FUNCTION_CODE_POINTER(ptr) ptr
26 #define FUNCTION_TOC_POINTER(ptr) ptr
28 #define UAP_STACK_POINTER_TYPE greg_t
30 /* Must match the leaf-stack-frame-size, signal-handler-stack-frame-size,
31 and stack-frame-size constants in basis/cpu/x86/64/unix/bootstrap.factor */
32 static const unsigned LEAF_FRAME_SIZE = 16;
33 static const unsigned SIGNAL_HANDLER_STACK_FRAME_SIZE = 160;
34 static const unsigned JIT_FRAME_SIZE = 32;