Return to debugInfo.c CVS log

Up to [Previous NeXT emulator] / previous_trunk / src / debug

Annotation of previous_trunk/src/debug/debugInfo.c, revision 1.1

1.1     ! root        1: /*
        !             2:   Hatari - debuginfo.c
        !             3: 
        !             4:   This file is distributed under the GNU Public License, version 2 or at
        !             5:   your option any later version. Read the file gpl.txt for details.
        !             6: 
        !             7:   debuginfo.c - functions needed to show info about the atari HW & OS
        !             8:    components and "lock" that info to be shown on entering the debugger.
        !             9: */
        !            10: const char DebugInfo_fileid[] = "Hatari debuginfo.c : " __DATE__ " " __TIME__;
        !            11: 
        !            12: #include <stdio.h>
        !            13: #include <assert.h>
        !            14: #include <ctype.h>
        !            15: #include "main.h"
        !            16: #include "configuration.h"
        !            17: #include "debugInfo.h"
        !            18: #include "debugcpu.h"
        !            19: #include "debugui.h"
        !            20: #include "evaluate.h"
        !            21: #include "file.h"
        !            22: #include "ioMem.h"
        !            23: #include "m68000.h"
        !            24: #include "nextMemory.h"
        !            25: #include "screen.h"
        !            26: #include "video.h"
        !            27: 
        !            28: /* ------------------------------------------------------------------
        !            29:  * Next HW information
        !            30:  */
        !            31: 
        !            32: char* get_rtc_ram_info(void);
        !            33: 
        !            34: /**
        !            35:  * DebugInfo_Rtc : display the Videl registers values.
        !            36:  */
        !            37: static void DebugInfo_Rtc(Uint32 dummy) {
        !            38:     Update_StatusBar();
        !            39:        fprintf(stdout,"%s",get_rtc_ram_info());
        !            40: }
        !            41: 
        !            42: /* ------------------------------------------------------------------
        !            43:  * CPU and DSP information wrappers
        !            44:  */
        !            45: 
        !            46: /**
        !            47:  * Helper to call debugcpu.c and debugdsp.c debugger commands
        !            48:  */
        !            49: static void DebugInfo_CallCommand(int (*func)(int, char* []), const char *command, Uint32 arg)
        !            50: {
        !            51:        char cmdbuffer[16], argbuffer[12];
        !            52:        char *argv[] = { cmdbuffer, NULL };
        !            53:        int argc = 1;
        !            54: 
        !            55:        assert(strlen(command) < sizeof(cmdbuffer));
        !            56:        strcpy(cmdbuffer, command);
        !            57:        if (arg) {
        !            58:                sprintf(argbuffer, "$%x", arg);
        !            59:                argv[argc++] = argbuffer;
        !            60:        }
        !            61:        func(argc, argv);
        !            62: }
        !            63: 
        !            64: static void DebugInfo_CpuRegister(Uint32 arg)
        !            65: {
        !            66:        DebugInfo_CallCommand(DebugCpu_Register, "register", arg);
        !            67: }
        !            68: static void DebugInfo_CpuDisAsm(Uint32 arg)
        !            69: {
        !            70:        DebugInfo_CallCommand(DebugCpu_DisAsm, "disasm", arg);
        !            71: }
        !            72: static void DebugInfo_CpuMemDump(Uint32 arg)
        !            73: {
        !            74:        DebugInfo_CallCommand(DebugCpu_MemDump, "memdump", arg);
        !            75: }
        !            76: 
        !            77: static void DebugInfo_DspRegister(Uint32 arg)
        !            78: {
        !            79: }
        !            80: static void DebugInfo_DspDisAsm(Uint32 arg)
        !            81: {
        !            82: }
        !            83: 
        !            84: static void DebugInfo_DspMemDump(Uint32 arg)
        !            85: {
        !            86: }
        !            87: 
        !            88: /**
        !            89:  * Convert arguments to Uint32 arg suitable for DSP memdump callback
        !            90:  */
        !            91: static Uint32 DebugInfo_DspMemArgs(int argc, char *argv[])
        !            92: {
        !            93:        Uint32 value;
        !            94:        char space;
        !            95:        if (argc != 2) {
        !            96:                return 0;
        !            97:        }
        !            98:        space = toupper(argv[0][0]);
        !            99:        if ((space != 'X' && space != 'Y' && space != 'P') || argv[0][1]) {
        !           100:                fprintf(stderr, "ERROR: invalid DSP address space '%s'!\n", argv[0]);
        !           101:                return 0;
        !           102:        }
        !           103:        if (!Eval_Number(argv[1], &value) || value > 0xffff) {
        !           104:                fprintf(stderr, "ERROR: invalid DSP address '%s'!\n", argv[1]);
        !           105:                return 0;
        !           106:        }
        !           107:        return ((Uint32)space<<16) | value;
        !           108: }
        !           109: 
        !           110: 
        !           111: static void DebugInfo_RegAddr(Uint32 arg)
        !           112: {
        !           113: }
        !           114: 
        !           115: /**
        !           116:  * Convert arguments to Uint32 arg suitable for RegAddr callback
        !           117:  */
        !           118: static Uint32 DebugInfo_RegAddrArgs(int argc, char *argv[])
        !           119: {
        !           120:        Uint32 value, *regaddr;
        !           121:        if (argc != 2) {
        !           122:                return 0;
        !           123:        }
        !           124: 
        !           125:        if (strcmp(argv[0], "disasm") == 0) {
        !           126:                value = 'D';
        !           127:        } else if (strcmp(argv[0], "memdump") == 0) {
        !           128:                value = 'M';
        !           129:        } else {
        !           130:                fprintf(stderr, "ERROR: regaddr operation can be only 'disasm' or 'memdump', not '%s'!\n", argv[0]);
        !           131:                return 0;
        !           132:        }
        !           133: 
        !           134:        if (strlen(argv[1]) != 2 ||
        !           135:            (!DebugCpu_GetRegisterAddress(argv[1], &regaddr) &&
        !           136:             (toupper(argv[1][0]) != 'R' || !isdigit(argv[1][1]) || argv[1][2]))) {
        !           137:                /* not CPU register or Rx DSP register */
        !           138:                fprintf(stderr, "ERROR: invalid address/data register '%s'!\n", argv[1]);
        !           139:                return 0;
        !           140:        }
        !           141:        
        !           142:        value |= argv[1][0] << 24;
        !           143:        value |= argv[1][1] << 16;
        !           144:        value &= 0xffff00ff;
        !           145:        return value;
        !           146: }
        !           147: 
        !           148: 
        !           149: /* ------------------------------------------------------------------
        !           150:  * wrappers for command to parse debugger input file
        !           151:  */
        !           152: 
        !           153: /* file name to be given before calling the Parse function,
        !           154:  * needs to be set separately as it's a host pointer which
        !           155:  * can be 64-bit i.e. may not fit into Uint32.
        !           156:  */
        !           157: static char *parse_filename;
        !           158: 
        !           159: /**
        !           160:  * Parse and exec commands in the previously given debugger input file
        !           161:  */
        !           162: static void DebugInfo_FileParse(Uint32 dummy)
        !           163: {
        !           164:     if (parse_filename) {
        !           165:         DebugUI_ParseFile(parse_filename);
        !           166:     } else {
        !           167:        // fputs("ERROR: debugger input file name to parse isn't set!\n", stderr);
        !           168:     }
        !           169: }
        !           170: 
        !           171: /**
        !           172:  * Set which input file to parse.
        !           173:  * Return true if file exists, false on error
        !           174:  */
        !           175: static Uint32 DebugInfo_FileArgs(int argc, char *argv[])
        !           176: {
        !           177:     if (argc != 1) {
        !           178:         return false;
        !           179:     }
        !           180:     if (!File_Exists(argv[0])) {
        !           181:         fprintf(stderr, "ERROR: given file '%s' doesn't exist!\n", argv[0]);
        !           182:         return false;
        !           183:     }
        !           184:     if (parse_filename) {
        !           185:         free(parse_filename);
        !           186:     }
        !           187:     parse_filename = strdup(argv[0]);
        !           188:     return true;
        !           189: }
        !           190: 
        !           191: /* ------------------------------------------------------------------
        !           192:  * Debugger & readline TAB completion integration
        !           193:  */
        !           194: 
        !           195: /**
        !           196:  * Default information on entering the debugger
        !           197:  */
        !           198: static void DebugInfo_Default(Uint32 dummy)
        !           199: {
        !           200:        fprintf(stderr, "\nCPU=$%x, DSP=",
        !           201:                M68000_GetPC());
        !           202:                fprintf(stderr, "N/A\n");
        !           203: }
        !           204: 
        !           205: static const struct {
        !           206:        /* if overlaps with other functionality, list only for lock command */
        !           207:        bool lock;
        !           208:        const char *name;
        !           209:        void (*func)(Uint32 arg);
        !           210:        /* convert args in argv into single Uint32 for func */
        !           211:        Uint32 (*args)(int argc, char *argv[]);
        !           212:        const char *info;
        !           213: } infotable[] = {
        !           214:        { true, "default",   DebugInfo_Default,    NULL, "Show default debugger entry information" },
        !           215:        { true, "disasm",    DebugInfo_CpuDisAsm,  NULL, "Disasm CPU from PC or given <address>" },
        !           216:        { true, "dspdisasm", DebugInfo_DspDisAsm,  NULL, "Disasm DSP from given <address>" },
        !           217:        { true, "dspmemdump",DebugInfo_DspMemDump, DebugInfo_DspMemArgs, "Dump DSP memory from given <space> <address>" },
        !           218:        { true, "dspregs",   DebugInfo_DspRegister,NULL, "Show DSP registers values" },
        !           219:     { true, "file",      DebugInfo_FileParse, DebugInfo_FileArgs, "Parse commands from given debugger input <file>" },
        !           220:        { true, "memdump",   DebugInfo_CpuMemDump, NULL, "Dump CPU memory from given <address>" },
        !           221:        { true, "regaddr",   DebugInfo_RegAddr, DebugInfo_RegAddrArgs, "Show <disasm|memdump> from CPU/DSP address pointed by <register>" },
        !           222:        { true, "registers", DebugInfo_CpuRegister,NULL, "Show CPU registers values" },
        !           223:        { false,"rtc",     DebugInfo_Rtc,      NULL, "Show Next's RTC registers" }
        !           224: };
        !           225: 
        !           226: static int LockedFunction = 4; /* index for the "default" function */
        !           227: static Uint32 LockedArgument;
        !           228: 
        !           229: /**
        !           230:  * Show selected debugger session information
        !           231:  * (when debugger is (again) entered)
        !           232:  */
        !           233: void DebugInfo_ShowSessionInfo(void)
        !           234: {
        !           235:        infotable[LockedFunction].func(LockedArgument);
        !           236: }
        !           237: 
        !           238: 
        !           239: /**
        !           240:  * Readline match callback for info subcommand name completion.
        !           241:  * STATE = 0 -> different text from previous one.
        !           242:  * Return next match or NULL if no matches.
        !           243:  */
        !           244: static char *DebugInfo_Match(const char *text, int state, bool lock)
        !           245: {
        !           246:        static int i, len;
        !           247:        const char *name;
        !           248:        
        !           249:        if (!state) {
        !           250:                /* first match */
        !           251:                len = strlen(text);
        !           252:                i = 0;
        !           253:        }
        !           254:        /* next match */
        !           255:        while (i++ < ARRAYSIZE(infotable)) {
        !           256:                if (!lock && infotable[i-1].lock) {
        !           257:                        continue;
        !           258:                }
        !           259:                name = infotable[i-1].name;
        !           260:                if (strncmp(name, text, len) == 0)
        !           261:                        return (strdup(name));
        !           262:        }
        !           263:        return NULL;
        !           264: }
        !           265: char *DebugInfo_MatchLock(const char *text, int state)
        !           266: {
        !           267:        return DebugInfo_Match(text, state, true);
        !           268: }
        !           269: char *DebugInfo_MatchInfo(const char *text, int state)
        !           270: {
        !           271:        return DebugInfo_Match(text, state, false);
        !           272: }
        !           273: 
        !           274: 
        !           275: /**
        !           276:  * Show requested command information.
        !           277:  */
        !           278: int DebugInfo_Command(int nArgc, char *psArgs[])
        !           279: {
        !           280:        Uint32 value;
        !           281:        const char *cmd;
        !           282:        bool ok, lock;
        !           283:        int i, sub;
        !           284: 
        !           285:        sub = -1;
        !           286:        if (nArgc > 1) {
        !           287:                cmd = psArgs[1];                
        !           288:                /* which subcommand? */
        !           289:                for (i = 0; i < ARRAYSIZE(infotable); i++) {
        !           290:                        if (strcmp(cmd, infotable[i].name) == 0) {
        !           291:                                sub = i;
        !           292:                                break;
        !           293:                        }
        !           294:                }
        !           295:        }
        !           296: 
        !           297:        if (infotable[sub].args) {
        !           298:                /* value needs callback specific conversion */
        !           299:                value = infotable[sub].args(nArgc-2, psArgs+2);
        !           300:                ok = !!value;
        !           301:        } else {
        !           302:                if (nArgc > 2) {
        !           303:                        /* value is normal number */
        !           304:                        ok = Eval_Number(psArgs[2], &value);
        !           305:                } else {
        !           306:                        value = 0;
        !           307:                        ok = true;
        !           308:                }
        !           309:        }
        !           310: 
        !           311:        lock = (strcmp(psArgs[0], "lock") == 0);
        !           312:        
        !           313:        if (sub < 0 || !ok) {
        !           314:                /* no subcommand or something wrong with value, show info */
        !           315:                fprintf(stderr, "%s subcommands are:\n", psArgs[0]);
        !           316:                for (i = 0; i < ARRAYSIZE(infotable); i++) {
        !           317:                        if (!lock && infotable[i].lock) {
        !           318:                                continue;
        !           319:                        }
        !           320:                        fprintf(stderr, "- %s: %s\n",
        !           321:                                infotable[i].name, infotable[i].info);
        !           322:                }
        !           323:                return DEBUGGER_CMDDONE;
        !           324:        }
        !           325: 
        !           326:        if (lock) {
        !           327:                /* lock given subcommand and value */
        !           328:                LockedFunction = sub;
        !           329:                LockedArgument = value;
        !           330:                fprintf(stderr, "Locked %s output.\n", psArgs[1]);
        !           331:        } else {
        !           332:                /* do actual work */
        !           333:                infotable[sub].func(value);
        !           334:        }
        !           335:        return DEBUGGER_CMDDONE;
        !           336: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.