forked from factor/factor
/
os-linux-ppc.32.hpp
39 lines (32 loc) · 1.1 KB
/
os-linux-ppc.32.hpp
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#include <ucontext.h>
namespace factor
{
#define FRAME_RETURN_ADDRESS(frame,vm) *((void **)(vm->frame_successor(frame) + 1) + 1)
#define UAP_STACK_POINTER(ucontext) ((ucontext_t *)ucontext)->uc_mcontext.uc_regs->gregs[1]
#define UAP_PROGRAM_COUNTER(ucontext) (((ucontext_t *)ucontext)->uc_mcontext.uc_regs->gregs[32])
#define UAP_SET_TOC_POINTER(uap, ptr) (void)0
#define CODE_TO_FUNCTION_POINTER(code) (void)0
#define CODE_TO_FUNCTION_POINTER_CALLBACK(vm, code) (void)0
#define FUNCTION_CODE_POINTER(ptr) ptr
#define FUNCTION_TOC_POINTER(ptr) ptr
#define UAP_STACK_POINTER_TYPE unsigned long
inline static unsigned int uap_fpu_status(void *uap)
{
union {
double as_double;
unsigned int as_uint[2];
} tmp;
tmp.as_double = ((ucontext_t*) uap)->uc_mcontext.uc_regs->fpregs.fpscr;
return tmp.as_uint[1];
}
inline static void uap_clear_fpu_status(void *uap)
{
union {
double as_double;
unsigned int as_uint[2];
} tmp;
tmp.as_double = ((ucontext_t*) uap)->uc_mcontext.uc_regs->fpregs.fpscr;
tmp.as_uint[1] &= 0x0007f8ff;
((ucontext_t*) uap)->uc_mcontext.uc_regs->fpregs.fpscr = tmp.as_double;
}
}