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/*
 * code to print the name of a signal
 * machine-dependent for less than obvious reasons
 * this for sequent
 */

#include "defs.h"
#include "regs.h"
#include "space.h"
#include <signal.h>
#include <sys/param.h>

static char *signals[] = {
	"",
	"hangup",
	"interrupt",
	"quit",
	"illegal instruction",
	"trace/BPT",
	"IOT",
	"EMT",
	"floating exception",
	"killed",
	"bus error",
	"memory fault",
	"bad system call",
	"broken pipe",
	"alarm call",
	"terminated",
	"urgent condition",
	"stopped",
	"stop (tty)",
	"continue (signal)",
	"child termination",
	"stop (tty input)",
	"stop (tty output)",
	"input available (signal)",
	"cpu timelimit",
	"file sizelimit",
	"virtual alarm",
	"profile alarm",
	"signal 28",
	"signal 29",
	"signal 30",
	"signal 31",
};

static char *illinames[] = {
	"privileged instruction",
	"reserved operand"
};
static char *fpenames[] = {
	"integer divide by zero",
	"floating underflow ",
	"floating overflow",
	"floating divide by zero",
	"floating illegal instruction",
	"floating invalid operation",
	"floating inexact result",
	"",
};

sigprint()
{
	if ((signo>=0) && (signo<sizeof signals/sizeof signals[0]))
		prints(signals[signo]);
	switch (signo) {

	case SIGFPE:
		if ((sigcode > 0
		&&  sigcode < sizeof fpenames / sizeof fpenames[0]))
			printf(" (%s)", fpenames[sigcode]);
		break;

	case SIGILL:
		if ((sigcode >= 0
		&&  sigcode < sizeof illinames / sizeof illinames[0]))
			printf(" (%s)", illinames[sigcode]);
		break;
	}
}

printpc()
{

	dot = (ADDR)rtow(rget(PC));
	psymoff((WORD)dot, INSTSP, "?%16t");
	printins(SYMF|INSTSP);
	printc(EOR);
}

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