C++ (Cpp) alpha_fp_emul_imprecise Beispiele

Beispiel #1

Datei: traps.c Projekt: curbthepain/android_kernel_us990_rev

asmlinkage void
do_entArith(unsigned long summary, unsigned long write_mask,
	    struct pt_regs *regs)
{
	long si_code = FPE_FLTINV;
	siginfo_t info;

	if (summary & 1) {
		/*                                                  
                                                        
                                                   */
		if (!amask(AMASK_PRECISE_TRAP))
			si_code = alpha_fp_emul(regs->pc - 4);
		else
			si_code = alpha_fp_emul_imprecise(regs, write_mask);
		if (si_code == 0)
			return;
	}
	die_if_kernel("Arithmetic fault", regs, 0, NULL);

	info.si_signo = SIGFPE;
	info.si_errno = 0;
	info.si_code = si_code;
	info.si_addr = (void __user *) regs->pc;
	send_sig_info(SIGFPE, &info, current);
}

Beispiel #2

Datei: traps.c Projekt: Lord-Devices/cm_kernel_samsung_hlte

asmlinkage void
do_entArith(unsigned long summary, unsigned long write_mask,
	    struct pt_regs *regs)
{
	long si_code = FPE_FLTINV;
	siginfo_t info;

	if (summary & 1) {
		/* Software-completion summary bit is set, so try to
		   emulate the instruction.  If the processor supports
		   precise exceptions, we don't have to search.  */
		if (!amask(AMASK_PRECISE_TRAP))
			si_code = alpha_fp_emul(regs->pc - 4);
		else
			si_code = alpha_fp_emul_imprecise(regs, write_mask);
		if (si_code == 0)
			return;
	}
	die_if_kernel("Arithmetic fault", regs, 0, NULL);

	info.si_signo = SIGFPE;
	info.si_errno = 0;
	info.si_code = si_code;
	info.si_addr = (void __user *) regs->pc;
	send_sig_info(SIGFPE, &info, current);
}

Beispiel #3

Datei: traps.c Projekt: chinnyannieb/empeg-hijack

asmlinkage void
do_entArith(unsigned long summary, unsigned long write_mask,
	    unsigned long a2, unsigned long a3, unsigned long a4,
	    unsigned long a5, struct pt_regs regs)
{
	if (summary & 1) {
		/* Software-completion summary bit is set, so try to
		   emulate the instruction.  */
		if (!amask(AMASK_PRECISE_TRAP)) {
			/* 21264 (except pass 1) has precise exceptions.  */
			if (alpha_fp_emul(regs.pc - 4))
				return;
		} else {
			if (alpha_fp_emul_imprecise(&regs, write_mask))
				return;
		}
	}

#if 0
	printk("%s: arithmetic trap at %016lx: %02lx %016lx\n",
		current->comm, regs.pc, summary, write_mask);
#endif
	die_if_kernel("Arithmetic fault", &regs, 0, 0);
	send_sig(SIGFPE, current, 1);
}