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Annotation of researchv10no/cmd/adb/seq/mchpr.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * code to print the name of a signal
        !             3:  * machine-dependent for less than obvious reasons
        !             4:  * this for sequent
        !             5:  */
        !             6: 
        !             7: #include "defs.h"
        !             8: #include "regs.h"
        !             9: #include "space.h"
        !            10: #include <signal.h>
        !            11: #include <sys/param.h>
        !            12: 
        !            13: static char *signals[] = {
        !            14:        "",
        !            15:        "hangup",
        !            16:        "interrupt",
        !            17:        "quit",
        !            18:        "illegal instruction",
        !            19:        "trace/BPT",
        !            20:        "IOT",
        !            21:        "EMT",
        !            22:        "floating exception",
        !            23:        "killed",
        !            24:        "bus error",
        !            25:        "memory fault",
        !            26:        "bad system call",
        !            27:        "broken pipe",
        !            28:        "alarm call",
        !            29:        "terminated",
        !            30:        "urgent condition",
        !            31:        "stopped",
        !            32:        "stop (tty)",
        !            33:        "continue (signal)",
        !            34:        "child termination",
        !            35:        "stop (tty input)",
        !            36:        "stop (tty output)",
        !            37:        "input available (signal)",
        !            38:        "cpu timelimit",
        !            39:        "file sizelimit",
        !            40:        "virtual alarm",
        !            41:        "profile alarm",
        !            42:        "signal 28",
        !            43:        "signal 29",
        !            44:        "signal 30",
        !            45:        "signal 31",
        !            46: };
        !            47: 
        !            48: static char *illinames[] = {
        !            49:        "privileged instruction",
        !            50:        "reserved operand"
        !            51: };
        !            52: static char *fpenames[] = {
        !            53:        "integer divide by zero",
        !            54:        "floating underflow ",
        !            55:        "floating overflow",
        !            56:        "floating divide by zero",
        !            57:        "floating illegal instruction",
        !            58:        "floating invalid operation",
        !            59:        "floating inexact result",
        !            60:        "",
        !            61: };
        !            62: 
        !            63: sigprint()
        !            64: {
        !            65:        if ((signo>=0) && (signo<sizeof signals/sizeof signals[0]))
        !            66:                prints(signals[signo]);
        !            67:        switch (signo) {
        !            68: 
        !            69:        case SIGFPE:
        !            70:                if ((sigcode > 0
        !            71:                &&  sigcode < sizeof fpenames / sizeof fpenames[0]))
        !            72:                        printf(" (%s)", fpenames[sigcode]);
        !            73:                break;
        !            74: 
        !            75:        case SIGILL:
        !            76:                if ((sigcode >= 0
        !            77:                &&  sigcode < sizeof illinames / sizeof illinames[0]))
        !            78:                        printf(" (%s)", illinames[sigcode]);
        !            79:                break;
        !            80:        }
        !            81: }
        !            82: 
        !            83: printpc()
        !            84: {
        !            85: 
        !            86:        dot = (ADDR)rtow(rget(PC));
        !            87:        psymoff((WORD)dot, INSTSP, "?%16t");
        !            88:        printins(SYMF|INSTSP);
        !            89:        printc(EOR);
        !            90: }

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