| /* %%%%%%%%%%%%%%%%%%%% (c) William Landi 1991 %%%%%%%%%%%%%%%%%%%%%%%%%%%% */ |
| /* Permission to use this code is granted as long as the copyright */ |
| /* notice remains in place. */ |
| |
| /* =========================== sim_debug.c ================================= */ |
| /* Main (driving) routine of the Simulator/Debugger. */ |
| |
| /* to compile (the simulator/debugger) use: */ |
| /* cc -o run sim_debug.c sym_tab.c stringI.c convert.c memory.c */ |
| /* machine.c debugger.c loadexe.c print.c instruct.c format.c */ |
| /* interupt.c instruct2.c -g -lm */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include "constants.h" |
| #include "boolean.h" |
| #include "memory.h" |
| #include "machine.h" |
| #include "debugger.h" |
| #include "loadexe.h" |
| #include "print.h" |
| |
| /* --------------------------------- Globals ------------------------------ */ |
| /* MAIN_ROUTINE Name of (program) module declared with */ |
| /* a START (main routine). */ |
| char MAIN_ROUTINE[LABEL_SIZE_1+1]; |
| |
| /* -------------------------------- main ---------------------------------- */ |
| int main(int argc,char **argv) |
| { |
| FILE *INPUT_STREAM; /* Input file stream */ |
| BOOLEAN DEBUG_MODE = TRUE_1; /* Flag that can turn off the debugging */ |
| /* feature. */ |
| BOOLEAN ERROR = FALSE_1; /* Was there an error loading the */ |
| /* executable? */ |
| |
| if (argc == 1) (void) printf("usage: run [-n] file\n"); |
| else { |
| int ARGUMENT = 1; /* Which argument of the command line */ |
| /* currently processing. */ |
| BOOLEAN FLAG; /* Just a temporary boolean. */ |
| |
| /* --------------------------------- Process command directives */ |
| if (ARGUMENT < argc) FLAG = (argv[ARGUMENT][0] == '-'); |
| while ( (ARGUMENT < argc) && FLAG) { |
| if (!strcmp(argv[ARGUMENT],"-n")) DEBUG_MODE = FALSE_1; |
| else |
| (void) printf("Illegal command directive, '%s'. Ignoring.\n", |
| argv[ARGUMENT]); |
| |
| if (ARGUMENT < argc) ARGUMENT ++; |
| if (ARGUMENT < argc) FLAG = (argv[ARGUMENT][0] == '-'); |
| } |
| |
| if (ARGUMENT >= argc) |
| (void) printf("run: requires a file name.\n"); |
| |
| |
| INIT_SYM_TAB(&SYM_TAB); /* Initialize the symbol table */ |
| CREATE_MEMORY(&MEMORY); /* Create/initialize the main memory. */ |
| if ( (INPUT_STREAM = fopen(argv[ARGUMENT],"r")) == NULL) { |
| (void) printf("%s: No such file or directory\n",argv[ARGUMENT]); |
| } else { |
| /* --------------------------------- Have a valid file: run it */ |
| LOAD(DEBUG_MODE,&ERROR,INPUT_STREAM); |
| if (!ERROR) DEBUGGER(DEBUG_MODE); |
| (void) fclose(INPUT_STREAM); |
| } |
| |
| } |
| return 0; |
| } |
