+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+#include "debugger.h"
+#include "hash.h"
+#include "cmem.h"
+#include "cerr.h"
#include "exec.h"
+/**
+ * アドレスに対応するハッシュ値を返す
+ *
+ * @return ハッシュ値
+ *
+ * @param adr アドレス
+ */
+unsigned adrhash(WORD adr);
+
+/**
+ * @brief ブレークポイント数
+ */
+static int bpscnt = 0;
+
+/**
+ * @brief ブレークポイント表
+ */
+static BPSTAB *bps[BPSTABSIZE];
+
+/**
+ * @brief ブレークポイントのエラー
+ */
+static CERR cerr_bps[] = {
+ { 101, "break point already defined" },
+ { 102, "break point table is full" },
+ { 103, "break point not found" },
+};
+
+/**
+ * @brief アドレスのハッシュ値を返す
+ *
+ * @return ハッシュ値
+ *
+ * @param adr アドレス
+ */
+unsigned adrhash(WORD adr);
+
+/**
+ * @brief ブレークポイントのエラーをエラーリストに追加する
+ *
+ * @return なし
+ */
+void addcerrlist_bps();
+
+
+unsigned adrhash(WORD adr)
+{
+ HKEY *key[1];
+ unsigned h;
+ key[0] = malloc_chk(sizeof(HKEY), "adrhash.key");
+ key[0]->type = INT;
+ key[0]->val.i = adr;
+ h = hash(1, key, BPSTABSIZE);
+ FREE(key[0]);
+ return h;
+}
+
+void addcerrlist_bps()
+{
+ addcerrlist(ARRAYSIZE(cerr_bps), cerr_bps);
+}
+
+bool getbps(WORD adr)
+{
+ BPSTAB *p;
+
+ for(p = bps[adrhash(adr)]; p != NULL; p = p->next) {
+ if(p->adr == adr) {
+ return true;
+ }
+ }
+ return false;
+}
+
+bool addbps(WORD adr)
+{
+ BPSTAB *p;
+ unsigned h;
+
+ /* 登録されたラベルを検索。すでに登録されている場合はエラー発生 */
+ if(getbps(adr) == true) {
+ setcerr(101, ""); /* breakpoint already defined */
+ return false;
+ }
+ /* メモリを確保 */
+ p = malloc_chk(sizeof(BPSTAB), "bps.next");
+ /* アドレスを設定 */
+ p->adr = adr;
+ /* ブレークポイント数を設定 */
+ bpscnt++;
+ /* ハッシュ表へ追加 */
+ p->next = bps[h = adrhash(adr)];
+ bps[h] = p;
+ return true;
+}
+
+bool delbps(WORD adr)
+{
+ BPSTAB *p, *q;
+ unsigned h;
+
+ p = bps[h = adrhash(adr)];
+ if(p->adr == adr && p->next != NULL) {
+ bps[h] = p->next;
+ FREE(p);
+ return true;
+ } else {
+ for(; p != NULL; p = p->next) {
+ if(p->adr == adr) {
+ q = p->next;
+ p->next = q->next;
+ FREE(p);
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+void printbps()
+{
+ int i;
+ BPSTAB *p;
+
+ fprintf(stdout, "breakpoints list\n");
+ for(i = 0; i < BPSTABSIZE; i++) {
+ for(p = bps[i]; p != NULL; p = p->next) {
+ fprintf(stdout, "#%04X\n", p->adr);
+ }
+ }
+}
+
+void freebps()
+{
+ int i;
+ BPSTAB *p, *q;
+
+ for(i = 0; i < BPSTABSIZE; i++) {
+ for(p = bps[i]; p != NULL; p = q) {
+ q = p->next;
+ FREE(p);
+ }
+ }
+}
+
+DBARGS *dbargstok(const char *str)
+{
+ DBARGS *args = malloc_chk(sizeof(DBARGS), "args");
+ char *p, *q, *r, *sepp; /* pは文字列全体の先頭位置、qはトークンの先頭位置、rは文字の位置 */
+ int sepc = ' ';
+
+ args->argc = 0;
+ if(str == NULL) {
+ return args;
+ }
+ p = q = r = strdup_chk(str, "argstok.p");
+ do {
+ while(*q == ' ' || *q == '\t'){
+ q = ++r;
+ }
+ sepp = r + strcspn(r, " ");
+ sepc = *sepp;
+ *sepp = '\0';
+ args->argv[(++args->argc)-1] = strdup_chk(q, "args.argv[]");
+ q = r = sepp + 1;
+ } while(sepc == ' ');
+ FREE(p);
+ return args;
+}
+
+DBCMDLINE *dblinetok(const char *line)
+{
+ char *tokens, *p, *sepp;
+ DBCMDLINE *dbcmdl = NULL;
+
+ if(*line == '\0') {
+ return NULL;
+ }
+ tokens = strdup_chk(line, "tokens");
+ p = tokens;
+ dbcmdl = malloc_chk(sizeof(DBCMDLINE), "dbcmdl");
+ /* コマンドと引数の取得 */
+ if(*p == '\n' || *p == '\0') { /* コマンドがない場合は、終了 */
+ dbcmdl->dbcmd = '\0';
+ } else {
+ /* コマンドの取得 */
+ sepp = p + strcspn(p, " \t\n");
+ *sepp = '\0';
+ dbcmdl->dbcmd = strdup_chk(p, "dbcmdl.dbcmd");
+ p = sepp + 1;
+ /* コマンドと引数の間の空白をスキップ */
+ while(*p == ' ' || *p == '\t') {
+ p++;
+ }
+ /* 改行までの文字列を取得 */
+ if((sepp = p + strcspn(p, "\n")) > p) {
+ *sepp = '\0';
+ dbcmdl->dbargs = dbargstok(p);
+ } else {
+ dbcmdl->dbargs = malloc_chk(sizeof(DBARGS), "dbcmdl.dbargs");
+ dbcmdl->dbargs->argc = 0;
+ }
+ }
+ FREE(tokens);
+ return dbcmdl;
+}
+
+bool stracmp(char *str1, int str2c, char *str2v[])
+{
+ int i;
+ for(i = 0; i < str2c; i++) {
+ if(strcmp(str1, str2v[i]) == 0) {
+ return true;
+ }
+ }
+ return false;
+}
+
void debugger()
{
- char *buf = malloc_chk(DBINSIZE + 1, "debugger.buf");
+ char *buf = malloc_chk(DBINSIZE + 1, "debugger.buf"), *cmd;
+ DBCMDLINE *dbcmdl = malloc_chk(sizeof(DBCMDLINE), "dbcmdl");
+ DBARGS *arg;
for( ; ;) {
fprintf(stdout, "COMET II (Type ? for help) > ");
fgets(buf, DBINSIZE, stdin);
- if(*buf == '\n' || *buf == 's') {
+ dbcmdl = dblinetok(buf);
+ cmd = dbcmdl->dbcmd;
+ arg = dbcmdl->dbargs;
+ if(*buf == '\n' || stracmp(cmd, 2, (char* []){"s", "step"})) {
break;
- } else if(*buf == 'c') {
+ } else if(stracmp(cmd, 2, (char* []){"c", "continue"})) {
execmode.debugger = false;
break;
- } else if(*buf == 't') {
- fprintf(stdout, "#%04X: Register::::\n", sys->cpu->pr);
- dspregister();
- } else if(*buf == 'd') {
- dumpmemory();
+ } else if(stracmp(cmd, 2, (char* []){"t", "trace"})) {
+ if(arg->argc > 0 && stracmp(arg->argv[0], 2, (char* []){"a", "auto"})) {
+ execmode.logical = false;
+ execmode.trace = true;
+ } else if(arg->argc > 0 && stracmp(arg->argv[0], 2, (char* []){"no", "noauto"})) {
+ execmode.trace = false;
+ } else {
+ fprintf(stdout, "#%04X: Register::::\n", sys->cpu->pr);
+ dspregister();
+ }
+ } else if(stracmp(cmd, 2, (char* []){"T", "tracelogical"})) {
+ if(arg->argc > 0 && stracmp(arg->argv[0], 2, (char* []){"a", "auto"})) {
+ execmode.logical = true;
+ execmode.trace = true;
+ } else if(arg->argc > 0 && stracmp(arg->argv[0], 2, (char* []){"no", "noauto"})) {
+ execmode.trace = false;
+ } else {
+ fprintf(stdout, "#%04X: Register::::\n", sys->cpu->pr);
+ dspregister();
+ }
+ } else if(stracmp(cmd, 2, (char* []){"d", "dump"})) {
+ if(arg->argc > 0 && stracmp(arg->argv[0], 2, (char* []){"a", "auto"})) {
+ execmode.dump = true;
+ } else if(arg->argc > 0 && stracmp(arg->argv[0], 2, (char* []){"no", "noauto"})) {
+ execmode.dump = false;
+ } else {
+ dumpmemory();
+ }
} else if(*buf == '?') {
fprintf(stdout, "s (default) -- Step by step running your program until next interaction.\n");
fprintf(stdout, "c -- Continue running your program.\n");
projects / YACASL2.git / blobdiff