osfmk/i386/bsd_i386.c

251 	x86_saved_state32_t	*regs;
254 	regs = saved_state32(state);
256 	trapno = regs->eax;
258 	kprintf("machdep_syscall(0x%08x) code=%d\n", regs, trapno);
265 		regs->eax = (unsigned int)kern_invalid(NULL);
274 		if (copyin((user_addr_t) regs->uesp + sizeof (int),
276 			regs->eax = KERN_INVALID_ADDRESS;
284 		regs->eax = (*entry->routine.args_0)();
287 		regs->eax = (*entry->routine.args_1)(args[0]);
290 		regs->eax = (*entry->routine.args_2)(args[0],args[1]);
294 			regs->eax = (*entry->routine.args_3)(args[0],args[1],args[2]);
301 				regs->eax = error;
302 				regs->efl |= EFL_CF;	/* carry bit */
304 				regs->eax = rval;
305 				regs->efl &= ~EFL_CF;
310 		regs->eax = (*entry->routine.args_4)(args[0], args[1], args[2], args[3]);
319 	DEBUG_KPRINT_SYSCALL_MDEP("machdep_syscall: retval=%u\n", regs->eax);
333 	x86_saved_state64_t	*regs;
336 	regs = saved_state64(state);
338 	trapno = (int)(regs->rax & SYSCALL_NUMBER_MASK);
344 		regs->rax = (unsigned int)kern_invalid(NULL);
353 		regs->rax = (*entry->routine.args_0)();
356 		regs->rax = (*entry->routine.args64_1)(regs->rdi);
364 	DEBUG_KPRINT_SYSCALL_MDEP("machdep_syscall: retval=%llu\n", regs->rax);
450 	x86_saved_state32_t	*regs;
453 	regs = saved_state32(state);
455 	call_number = -(regs->eax);
461 	kprintf("mach_call_munger(0x%08x) code=%d\n", regs, call_number);
472 			"mach_call_munger: kern_invalid 0x%x\n", regs->eax);
479 		retval = mach_call_arg_munger32(regs->uesp, argc, call_number, &args);
481 			regs->eax = retval;
507 	regs->eax = retval;
516 __private_extern__ void mach_call_munger64(x86_saved_state_t *regs);
524 	x86_saved_state64_t	*regs;
527 	regs = saved_state64(state);
529 	call_number = (int)(regs->rax & SYSCALL_NUMBER_MASK);
537 		regs->rdi, regs->rsi, regs->rdx, regs->r10, 0);
540 	        i386_exception(EXC_SYSCALL, regs->rax, 1);
546 	        i386_exception(EXC_SYSCALL, regs->rax, 1);
556 	        if (copyin((user_addr_t)(regs->isf.rsp + sizeof(user_addr_t)), (char *)&regs->v_arg6, copyin_count)) {
557 		        regs->rax = KERN_INVALID_ARGUMENT;
568 	regs->rax = (uint64_t)mach_call((void *)(&regs->rdi));
570 	DEBUG_KPRINT_SYSCALL_MACH( "mach_call_munger64: retval=0x%llx\n", regs->rax);
574 		regs->rax, 0, 0, 0, 0);