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32 Commits

Author SHA1 Message Date
nils polek
37843d9356 Added a debug menue 2024-01-15 12:43:49 +00:00
nils polek
6cc2ff87ca Stack uses only references and equation objects 2024-01-15 11:48:21 +00:00
nils polek
f29f500d0c added some shit 2024-01-14 20:09:51 +00:00
nils polek
23e787eb5e added pushr popr 2024-01-14 17:39:11 +00:00
nils polek
94fb404c71 Added nja njc and Makefile 2024-01-14 17:11:09 +00:00
847f68bb29 fix error 2023-12-28 22:29:30 +01:00
da06afd43b update version to 8 2023-12-28 22:28:35 +01:00
9421d34756 add heap and stack args (not yet implemented) 2023-12-28 22:25:40 +01:00
Nils Polek
60bdfd7843 Added DUB 2023-12-10 00:24:17 +01:00
bdb0ce63b8 fix dfbnjkhghjdfsbg 2023-12-10 00:18:20 +01:00
dcb665f5a6 update debug 2023-12-10 00:00:59 +01:00
Nils Polek
82dc5f28cc abc 2023-12-09 23:43:33 +01:00
8be99c5244 update debug 2023-12-09 23:15:11 +01:00
742f050b24 update debug 2023-12-09 23:14:19 +01:00
14025d3b08 update debug 2023-12-09 23:12:33 +01:00
3f12378110 update debug 2023-12-09 23:11:42 +01:00
2cb94eaf76 update debug 2023-12-09 23:10:31 +01:00
9d64b87a09 update debug 2023-12-09 23:10:23 +01:00
b87ebbe841 update debug 2023-12-09 23:03:32 +01:00
829735eb8c update debug 2023-12-09 22:57:26 +01:00
44f70a1777 update debug 2023-12-09 22:51:27 +01:00
5a7338f91c update debug 2023-12-09 22:49:44 +01:00
a8999f4ec2 update debug 2023-12-09 22:43:53 +01:00
c0a5e694c0 update debug
fix call not jumping
2023-12-09 22:42:46 +01:00
Nils Polek
61a138fdee versin v 2023-12-09 22:40:18 +01:00
55af679c39 fix jump not working right 2023-12-09 22:10:02 +01:00
27400289f5 update debug 2023-12-09 22:00:13 +01:00
c0d25212af fix printProgram 2023-12-09 21:56:17 +01:00
10a6883750 update debug mode 2023-12-09 21:55:12 +01:00
Nils Polek
33a2994c29 Commit with mistake 2023-12-09 21:40:42 +01:00
Nils Polek
7390df9ee0 Aufgabe 2 Fertig 2023-12-09 20:35:15 +01:00
Nils Polek
83dae77e31 aufgabe 2 stack overflow 2023-12-09 19:45:15 +01:00
41 changed files with 646 additions and 458 deletions

View File

@@ -3,6 +3,9 @@
# Compiler
CC = gcc
# program to Run
F = prog.bin
# Compiler flags
CFLAGS = -g -Wall -std=c99 -pedantic
@@ -19,8 +22,11 @@ all:
clean:
rm -f $(OBJ) $(TARGET)
debug: all
./$(TARGET) --debug $(F)
run: all
./$(TARGET)
./$(TARGET) $(F)
nja: ./nja/nja$(V)
./nja/nja$(V) $(IN) $(OUT)

21
SDA.c
View File

@@ -4,24 +4,23 @@
#ifndef SDA
#define SDA
#include <stdio.h>
#include "stackslot.c"
struct sda {
unsigned int *sda;
int size;
int *size;
ObjRef *sda;
};
int getSDA(unsigned int offset, struct sda *sda) {
return sda->sda[offset];
ObjRef getSDA(int i, struct sda s) {
return s.sda[i];
}
void setSDA(unsigned int offset, int value, struct sda *sda) {
sda->sda[offset] = value;
void setSDA(int point, ObjRef val, struct sda s) {
s.sda[point] = val;
}
void printSDA(struct sda *sda) {
printf("SDA:\n");
for (int i = 0; i < sda->size; ++i) {
printf("[%d] = %d\n", i, sda->sda[i]);
void printSDA(struct sda s) {
for (int i = 0; i < *s.size; i++) {
printf("%i\n", *(int *)getSDA(i, s)->data);
}
}

View File

@@ -6,13 +6,13 @@
#include <stdlib.h>
#include "program.c"
unsigned int fromFile(char *path, struct program *program) {
unsigned int fromFile(char *path, struct program program) {
unsigned int countInstructions;
unsigned int staticVars;
FILE *fptr;
fptr = fopen(path, "r");
if (fptr == NULL) {
printf("Error: cannot open code file %s\n", path);
printf("Error: cannot open code file %s", path);
exit(EXIT_FAILURE);
}
unsigned int buffer[4];

View File

@@ -1,5 +1,7 @@
#ifndef CONSTS
#define CONSTS
#define VERSION 4
#define VERSION 5
#endif
#endif /* ifndef CONSTS
#define CONSTS
#define VERSION 2; */

40
debugMenu.c Normal file
View File

@@ -0,0 +1,40 @@
#ifndef DEBUGMENU
#define DEBUGMENU
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "stack.c"
#include "stack.c"
void inspect(struct stack s, int fp){
char input[20];
printf("DEBUG [inspect]: stack, datam object?");
fgets(input,20,stdin);
if (input[0] == 's') printStack(s, fp);
if (input[0] == 'd'){/* todo */ }
if (input[0] == 'o'){/* todo */}
}
void list(){
//todo
}
void breakpoint(){
//todo
}
void debugMenu(int fp, struct stack stack, int* debug){
char input[20];
while (true) {
printf("DEBUG: inspect, list, breakpoint, run, step, quit?");
fgets(input, 20, stdin);
printf("%s",input);
if(input[0] == 'i') {inspect(stack,fp);}
if(input[0] == 'l') list();
if(input[0] == 'b') breakpoint();
if(input[0] == 's') break;
if(input[0] == 'r') {*debug = 0; break;};
if(input[0] == 'q') exit(0);
strcpy(input, "");
}
}
#endif /* ifndef DEBUGMENU */

View File

@@ -34,5 +34,8 @@
#define CALL 26
#define RET 27
#define DROP 28
#define PUSHR 29
#define POPR 30
#define DUP 31
#endif /* ifndef INSREUKTION */

BIN
nja-mac

Binary file not shown.

BIN
nja/nja4

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BIN
nja/nja5

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BIN
nja/nja6

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BIN
nja/nja7

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BIN
nja/nja8

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BIN
njvm-3

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386
njvm.c
View File

@@ -1,303 +1,251 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "consts.c"
#include "instruktion.c"
#include "code.c"
#include "stack.c"
#include "program.c"
#include "codeReader.c"
#include "SDA.c"
#include "reg.c"
#include "debugMenu.c"
// Program
struct program *program;
// SDA
int fp;
// Debug
int debug = 0;
// Stack
struct stack stack;
#define SIZE 1000
//Register
struct reg reg;
// Program
struct program program;
// SDA
struct sda sda;
unsigned fp;
void version(void) {
printf("Ninja Virtual Machine version %i (compiled %s, %s)\n", VERSION, __DATE__, __TIME__);
printf("Ninja Virtual Machine version %i (compiled %s, %s)\n", 0, __DATE__, __TIME__);
}
void help(void) {
printf("Usage: ./njvm [options] <code file>\n\t--debug\tstart virtual machine in debug mode\n\t--version\tshow version and exit\n\t--help\t\tshow this help and exit\n");
}
void execute(struct program *program, struct sda *sda) {
struct stack stack;
stack.size = 1000;
stack.currentFrame = 0;
struct stack callStack;
callStack.size = 1000;
callStack.currentFrame = 0;
for (int i = 0; i < stack.size; ++i) {
struct stackFrame *frame = malloc(sizeof(struct stackFrame));
frame->fp = malloc(sizeof(int) * stack.size);
frame->sp = malloc(sizeof(int) * stack.size);
frame->bp = NULL;
stack.frames[i] = frame;
}
for (int i = 0; i < callStack.size; ++i) {
struct stackFrame *frame = malloc(sizeof(struct stackFrame));
frame->fp = malloc(sizeof(int) * stack.size);
frame->sp = malloc(sizeof(int) * stack.size);
frame->bp = NULL;
callStack.frames[i] = frame;
}
struct stackFrame *currentFrame = NULL;
//struct stackFrame *currentCallFrame = NULL;
unsigned int tmp;
void execute(struct program program) {
int i;
int intInput;
unsigned int temp;
char charInput;
for (int i = 0; i < program->size; ++i) {
unsigned int instruction = program->program[i];
if (i >= program->size) {
printf("Error: Jump out of program memory\n");
goto end;
}
switch (instruction >> 24) {
StackSlot tempSlot;
for (i = 0; i < *program.size; ++i) {
if (debug == 1) debugMenu(fp,stack,&debug);
switch (program.program[i] >> 24) {
case HALT:
if (debug == 1) printf("halt\n");
goto end;
case PUSHC:
if (debug == 1) printf("PUSHC %d\n", SIGN_EXTEND(IMMEDIATE(instruction)));
push(&stack, SIGN_EXTEND(IMMEDIATE(instruction)));
if (debug == 1) printf("pushc: %i\n", IMMEDIATE(program.program[i]));
push(stack, stackSlotWithObjRef(getIntObj(SIGN_EXTEND(IMMEDIATE(program.program[i])))));
break;
case ADD:
if (debug == 1) printf("ADD\n");
push(&stack, pop(&stack) + pop(&stack));
if (debug == 1) printf("add: %i + %i\n",peek(stack, 2),peek(stack, 1));
push(stack, stackSlotWithObjRef(getIntObj(getIntValfromStackSlot(pop(stack)) + getIntValfromStackSlot(pop(stack)))));
break;
case SUB:
tmp = pop(&stack);
if (debug == 1) printf("SUB\n");
if (debug == 1) printf("tmp: %d\n", tmp);
push(&stack, pop(&stack) - tmp);
if (debug == 1) printf("sub: %i - %i\n", peek(stack, 2), peek(stack, 1));
temp = getIntValfromStackSlot(pop(stack));
push(stack, stackSlotWithObjRef(getIntObj(getIntValfromStackSlot(pop(stack)) - temp)));
break;
case MUL:
if (debug == 1) printf("MUL\n");
push(&stack, pop(&stack) * pop(&stack));
if (debug == 1) printf("mul: %i * %i\n", peek(stack, 2), peek(stack, 1));
push(stack, stackSlotWithObjRef(getIntObj(getIntValfromStackSlot(pop(stack)) * getIntValfromStackSlot(pop(stack)))));
break;
case DIV:
tmp = pop(&stack);
if (debug == 1) printf("DIV\n");
if (debug == 1) printf("tmp: %d\n", tmp);
push(&stack, pop(&stack) / tmp);
if (debug == 1) printf("div: %i / %i\n", peek(stack, 2), peek(stack, 1));
temp = getIntValfromStackSlot(pop(stack));
push(stack, stackSlotWithObjRef(getIntObj(getIntValfromStackSlot(pop(stack)) / temp)));
break;
case MOD:
tmp = pop(&stack);
if (debug == 1) printf("MOD\n");
if (debug == 1) printf("tmp: %d\n", tmp);
push(&stack, pop(&stack) % tmp);
if (debug == 1) printf("mod: %i %% %i\n", peek(stack, 2), peek(stack, 1));
temp = getIntValfromStackSlot(pop(stack));
push(stack, stackSlotWithObjRef(getIntObj(getIntValfromStackSlot(pop(stack)))));
break;
case RDINT:
if (debug == 1) printf("rdint\n");
scanf("%i", &intInput);
if (debug == 1) printf("RDINT %d\n", intInput);
push(&stack, intInput);
push(stack, stackSlotWithObjRef(getIntObj(intInput)));
if (debug == 1) printf("pushed %i\n", intInput);
break;
case WRINT:
if (debug == 1) printf("WRINT\n");
printf("%i", pop(&stack));
if (debug == 1) printf("wrint: %i\n", peek(stack, 1));
printf("%i", getIntValfromStackSlot(pop(stack)));
break;
case RDCHR:
if (debug == 1) printf("rdchr\n");
scanf("%c", &charInput);
if (debug == 1) printf("RDCHR %c\n", charInput);
push(&stack, charInput);
push(stack, stackSlotWithObjRef(getIntObj(charInput)));
if (debug == 1) printf("pushed %c\n", charInput);
break;
case WRCHR:
if (debug == 1) printf("WRCHR\n");
printf("%c", pop(&stack));
if (debug == 1) printf("wrchr: %c\n", peek(stack, 1));
printf("%c", getIntValfromStackSlot(pop(stack)));
break;
case PUSHG:
if (debug == 1) printf("PUSHG %d\n", SIGN_EXTEND(IMMEDIATE(instruction)));
currentFrame = stack.frames[stack.currentFrame];
currentFrame->bp = currentFrame->sp;
*currentFrame->sp++ = getSDA(SIGN_EXTEND(IMMEDIATE(instruction)), sda);
if (debug == 1) printf("pushg: %i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
push(stack, stackSlotWithObjRef(getSDA(SIGN_EXTEND(IMMEDIATE(program.program[i])), sda)));
break;
case POPG:
if (debug == 1) printf("POPG %d\n", SIGN_EXTEND(IMMEDIATE(instruction)));
currentFrame = stack.frames[stack.currentFrame];
currentFrame->bp = currentFrame->sp;
setSDA(SIGN_EXTEND(IMMEDIATE(instruction)), pop(&stack), sda);
if (debug == 1) printf("popg: %i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
setSDA(SIGN_EXTEND(IMMEDIATE(program.program[i])), pop(stack).u.objRef, sda);
break;
case ASF:
if (debug == 1) printf("ASF %d\n", SIGN_EXTEND(IMMEDIATE(instruction)));
currentFrame = stack.frames[stack.currentFrame];
push(&stack, *currentFrame->sp);
*currentFrame->sp = stack.currentFrame;
currentFrame->bp = currentFrame->sp;
stack.currentFrame += SIGN_EXTEND(IMMEDIATE(instruction));
if (debug == 1) printf("asf: %i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
push(stack, stackSlotWitchNumber(fp));
fp = *stack.current;
*stack.current = *stack.current + SIGN_EXTEND(IMMEDIATE(program.program[i]));
break;
case RSF:
if (debug == 1) printf("RSF\n");
stack.currentFrame = pop(&stack);
currentFrame = stack.frames[stack.currentFrame];
currentFrame->bp = NULL;
break;
case PUSHL:
printf("PUSHL %d\n", SIGN_EXTEND(IMMEDIATE(instruction)));
currentFrame = stack.frames[stack.currentFrame];
currentFrame->bp = currentFrame->sp;
int x = SIGN_EXTEND(IMMEDIATE(instruction));
push(&stack, currentFrame->fp[x]);
if (debug == 1) printf("rsf: %i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
*stack.current = fp;
if (debug == 1) printf("pop: %i\n", peek(stack, 1));
tempSlot = pop(stack) ;
fp = getIntValfromStackSlot(tempSlot);
break;
case POPL:
if (debug == 1) printf("POPL %d\n", SIGN_EXTEND(IMMEDIATE(instruction)));
currentFrame = stack.frames[stack.currentFrame];
currentFrame->fp[SIGN_EXTEND(IMMEDIATE(instruction))] = pop(&stack);
if (debug == 1) printf("popl: %i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
stack.stack[fp + SIGN_EXTEND(IMMEDIATE(program.program[i]))] = pop(stack);
break;
case EQ:
if (debug == 1) printf("EQ\n");
if (pop(&stack) == pop(&stack)) {
push(&stack, 1);
} else {
push(&stack, 0);
}
case PUSHL:
if (debug == 1) printf("pushl: %i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
push(stack, stack.stack[fp + SIGN_EXTEND(IMMEDIATE(program.program[i]))]);
break;
case NE:
if (debug == 1) printf("NE\n");
if (pop(&stack) != pop(&stack)) {
push(&stack, 1);
} else {
push(&stack, 0);
}
if (debug == 1) printf("ne: %i != %i\n", peek(stack, 2), peek(stack, 1));
if (getIntValfromStackSlot(pop(stack)) != getIntValfromStackSlot(pop(stack))) push(stack, stackSlotWitchNumber(1));
else push(stack, stackSlotWitchNumber(0));
break;
case EQ:
if (debug == 1) printf("eq: %i == %i\n", peek(stack, 2), peek(stack, 1));
if (getIntValfromStackSlot(pop(stack)) == getIntValfromStackSlot(pop(stack))) push(stack, stackSlotWitchNumber(1));
else push(stack, stackSlotWitchNumber(0));
break;
case LT:
if (debug == 1) printf("LT\n");
tmp = pop(&stack);
if (pop(&stack) < tmp) {
push(&stack, 1);
} else {
push(&stack, 0);
}
if (debug == 1) printf("lt: %i < %i\n", peek(stack, 2), peek(stack, 1));
temp = getIntValfromStackSlot(pop(stack));
if (getIntValfromStackSlot(pop(stack)) < temp) push(stack, stackSlotWitchNumber(1));
else push(stack, stackSlotWitchNumber(0));
break;
case LE:
if (debug == 1) printf("LE\n");
tmp = pop(&stack);
if (pop(&stack) <= tmp) {
push(&stack, 1);
} else {
push(&stack, 0);
}
if (debug == 1) printf("le: %i <= %i\n", peek(stack, 2), peek(stack, 1));
temp = getIntValfromStackSlot(pop(stack));
if (getIntValfromStackSlot(pop(stack)) <= temp) push(stack, stackSlotWitchNumber(1));
else push(stack, stackSlotWitchNumber(0));
break;
case GT:
if (debug == 1) printf("GT\n");
if (debug == 1) printf("peek(1): %d\n", peek(&stack, 1));
if (debug == 1) printf("peek(2): %d\n", peek(&stack, 2));
if (debug == 1) printf("peek(1) > peek(2): %d\n", peek(&stack, 2) > peek(&stack, 1));
tmp = pop(&stack);
if (pop(&stack) > tmp) {
push(&stack, 1);
} else {
push(&stack, 0);
}
if (debug == 1) printf("gt: %i > %i\n", peek(stack, 2), peek(stack, 1));
temp = getIntValfromStackSlot(pop(stack));
if (getIntValfromStackSlot(pop(stack)) > temp) push(stack, stackSlotWitchNumber(1));
else push(stack, stackSlotWitchNumber(0));
break;
case GE:
if (debug == 1) printf("GE\n");
tmp = pop(&stack);
if (pop(&stack) >= tmp) {
push(&stack, 1);
} else {
push(&stack, 0);
}
if (debug == 1) printf("ge: %i >= %i\n", peek(stack, 2), peek(stack, 1));
temp = getIntValfromStackSlot(pop(stack));
if (getIntValfromStackSlot(pop(stack)) >= temp) push(stack, stackSlotWitchNumber(1));
else push(stack, stackSlotWitchNumber(0));
break;
case JMP:
if (debug == 1) printf("JMP %d\n", SIGN_EXTEND(IMMEDIATE(instruction)));
int j = SIGN_EXTEND(IMMEDIATE(program->program[i]));
if (debug == 1) printf("JMP %d\n", j);
if (j-- >= program->size) {
printf("Error: Jump out of program memory\n");
goto end;
}
i = j;
break;
case BRF: // branch on false
if (debug == 1) printf("BRF %d\nStack: %d\n", SIGN_EXTEND(IMMEDIATE(instruction)), pop(&stack));
if (pop(&stack) == 0) {
int j = SIGN_EXTEND(IMMEDIATE(program->program[i]));
if (j-- >= program->size) {
printf("Error: BRF out of program memory\n");
goto end;
}
i = j;
case BRF:
if (debug == 1) printf("brf: %i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
if (debug == 1) printf("pop: %i\n", peek(stack, 1));
if (getIntValfromStackSlot(pop(stack)) == 0) {
i = SIGN_EXTEND(IMMEDIATE(program.program[i])) - 1;
if (debug == 1) printf("new i: %i\n", i);
}
break;
case BRT:
if (debug == 1) printf("BRT %d\n", SIGN_EXTEND(IMMEDIATE(instruction)));
if (pop(&stack) == 1) {
int j = SIGN_EXTEND(IMMEDIATE(program->program[i]));
if (j-- >= program->size) {
printf("Error: BRT out of program memory\n");
goto end;
}
i = j;
if (debug == 1) printf("brt: %i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
if (debug == 1) printf("pop: %i\n", peek(stack, 1));
if (getIntValfromStackSlot(pop(stack)) == 1) {
i = SIGN_EXTEND(IMMEDIATE(program.program[i])) - 1;
if (debug == 1) printf("new i: %i\n", i);
}
break;
case JMP:
if (debug == 1) printf("jmp: %i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
i = SIGN_EXTEND(IMMEDIATE(program.program[i])) - 1;
if (debug == 1) printf("new i: %i\n", i);
break;
case CALL:
tmp = SIGN_EXTEND(IMMEDIATE(program->program[i]));
if (j-- >= program->size) {
printf("Error: Call out of program memory\n");
goto end;
}
push(&callStack, i + 1);
i = tmp;
if (debug == 1) printf("call: %i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
push(stack, stackSlotWitchNumber(i));
if (debug == 1) printf("push: %i\n", i + 1);
i = SIGN_EXTEND(IMMEDIATE(program.program[i])) - 1;
if (debug == 1) printf("new i: %i\n", i);
break;
case RET:
if (debug == 1) printf("RET\n");
tmp = pop(&callStack);
if (tmp-- >= program->size) {
printf("Error: Return out of program memory\n");
goto end;
}
i = tmp;
if (debug == 1) printf("ret\n");
if (debug == 1) printf("pop: %i\n", peek(stack, 1));
i = getIntValfromStackSlot(pop(stack));
if (debug == 1) printf("new i: %i\n", i);
break;
case DROP:
tmp = SIGN_EXTEND(IMMEDIATE(instruction));
if (debug == 1) printf("DROP %d\n", tmp);
for (int b = 0; b < tmp; ++b) {
pop(&stack);
}
if(debug ==1) printf("drop\n");
*stack.current = *stack.current - SIGN_EXTEND(IMMEDIATE(program.program[i]));
break;
case DUP:
if (debug==1) printf("dup\n");
temp = getIntValfromStackSlot(pop(stack));
push(stack, stackSlotWitchNumber(temp));
push(stack, stackSlotWitchNumber(temp));
break;
case POPR:
if (debug==1) printf("popr") ;
pushR(reg, getIntValfromStackSlot(pop(stack)));
if(debug == 1) printStackR(reg);
break;
case PUSHR:
if(debug == 1) printf("pushr");
push(stack, stackSlotWitchNumber(popR(reg)));
if(debug == 1) printStackR(reg);
break;
}
}
end:
return;
}
// run prog2.bin
void tests(void) {
printf("Test started\n");
/*struct sda *sda = malloc(sizeof(struct sda));
unsigned int s[1000];
sda->size = 1000;
sda->sda = s;
fromFile("prog2.bin", program);
execute(program, (struct sda *) &sda);*/
printf("Test finished\n");
}
int main(int argc, char *argv[]) {
// Initialize the Stack
struct stack stack;
int size = SIZE;
stack.size = size;
stack.currentFrame = 0;
int current = 0;
StackSlot s[SIZE];
stack.size = &size;
stack.current = &current;
stack.stack = s;
// Initialize the registery
int rSize = SIZE;
int rCurrent = 0;
unsigned int r[SIZE];
reg.size = &rSize;
reg.current = &rCurrent;
reg.stack = r;
// Initialize ProgrammSpeicher
int psize = SIZE;
int psize = 1000;
int saveProgram = 0;
unsigned int p[1000];
program = malloc(sizeof(struct program));
program->size = psize;
program->program = p;
program.size = &psize;
program.program = p;
program.saveProgram = &saveProgram;
// Initialize runtime variables
int run = 0;
int sizeSDA;
@@ -311,6 +259,12 @@ int main(int argc, char *argv[]) {
} else if (strcmp(argv[i], "--help") == 0) {
help();
return 0;
} else if (strcmp(argv[i], "--stack") == 0) {
i++;
// TODO: implement stack size
} else if(strcmp(argv[i], "--heap") == 0) {
i++;
// TODO: implement heap size
} else {
sizeSDA = fromFile(argv[i], program);
run = 1;
@@ -318,28 +272,20 @@ int main(int argc, char *argv[]) {
}
}
/*
* Debug mode
*/
if (debug) {
tests();
}
/*
* Run program
*/
if (run) {
printf("Ninja Virtual Machine started\n");
struct sda *sda = malloc(sizeof(struct sda));
unsigned int s[sizeSDA];
sda->size = sizeSDA;
sda->sda = s;
ObjRef s[sizeSDA];
sda.size = &sizeSDA;
sda.sda = s;
if (debug == 1) printProgram(program);
execute(program, (struct sda *) &sda);
execute(program);
printf("Ninja Virtual Machine stopped\n");
} else {
printf("Error: no code file specified\n");
return 1;
}
return 0;
}

BIN
prog.bin Normal file

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@@ -9,21 +9,23 @@
#include <stdio.h>
struct program {
int *size;
unsigned int *program;
int size;
int *saveProgram;
};
void copyToProgram(const unsigned int codeToCopy[], int size, struct program *program) {
void copyToProgram(const unsigned int codeToCopy[], int size, struct program program) {
for (int i = 0; i < size; ++i) {
program->program[i] = codeToCopy[i];
program.program[i] = codeToCopy[i];
}
program->size = size;
*program.size = size;
*program.saveProgram = 1;
}
void printProgram(struct program *program) {
void printProgram(struct program program) {
char c[10];
for (int i = 0; i < program->size; i++) {
switch (program->program[i] >> 24) {
for (int i = 0; i < *program.size; i++) {
switch (program.program[i] >> 24) {
case PUSHC:
strcpy(c, "pushc");
break;
@@ -76,43 +78,55 @@ void printProgram(struct program *program) {
strcpy(c, "popl");
break;
case EQ:
strcpy(c,"eq");
strcpy(c, "eq");
break;
case NE:
strcpy(c,"ne");
strcpy(c, "ne");
break;
case LT:
strcpy(c,"lt");
strcpy(c, "lt");
break;
case LE:
strcpy(c, "le");
break;
case GT:
strcpy(c,"gt");
strcpy(c, "gt");
break;
case GE:
strcpy(c,"ge");
strcpy(c, "ge");
break;
case JMP:
strcpy(c,"jmp");
strcpy(c, "jmp");
break;
case BRF:
strcpy(c, "brf");
break;
case BRT:
strcpy(c,"brt");
strcpy(c, "brt");
break;
case CALL:
strcpy(c,"call");
strcpy(c, "call");
break;
case RET:
strcpy(c,"ret");
strcpy(c, "ret");
break;
case DROP:
strcpy(c,"drop");
strcpy(c, "drop");
break;
case PUSHR:
strcpy(c, "pushr");
break;
case POPR:
strcpy(c, "popr");
break;
case DUP:
strcpy(c, "dup");
break;
default:
strcpy(c, "ERROR");
break;
}
IMMEDIATE(program->program[i]) ? printf("%03i:\t%s\t%i\n", i, c, SIGN_EXTEND(IMMEDIATE(program->program[i]))) : printf(
IMMEDIATE(program.program[i]) ? printf("%03i:\t%s\t%i\n", i, c, SIGN_EXTEND(IMMEDIATE(program.program[i]))) : printf(
"%03i:\t%s\n", i, c);
}
}

BIN
programs/nja Executable file

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@@ -1,11 +0,0 @@
pushc 3
pushc 4
add
pushc 10
pushc 6
sub
mul
wrint
pushc 10
wrchr
halt

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@@ -1,9 +0,0 @@
pushc -2
rdint
mul
pushc 3
add
wrint
pushc '\n'
wrchr
halt

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@@ -1,5 +0,0 @@
rdchr
wrint
pushc '\n'
wrchr
halt

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28
programs/prog02.asm Normal file
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@@ -0,0 +1,28 @@
//
// prog02.asm -- call/ret with args, but without ret value
//
asf 3
pushc 11
pushc 33
call proc
drop 2
rsf
halt
proc:
asf 2
pushl -4
wrint
pushc '\n'
wrchr
pushc 22
wrint
pushc '\n'
wrchr
pushl -3
wrint
pushc '\n'
wrchr
rsf
ret

32
programs/prog04.asm Normal file
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@@ -0,0 +1,32 @@
//
// prog04.asm -- call/ret with args, and with ret value
//
asf 3
pushc 11
wrint
pushc '\n'
wrchr
pushc 11
pushc 33
call proc
drop 2
pushr
wrint
pushc '\n'
wrchr
pushc 33
wrint
pushc '\n'
wrchr
rsf
halt
proc:
asf 2
pushl -3
pushl -4
sub
popr
rsf
ret

View File

@@ -0,0 +1,31 @@
//
// prog1.asm -- an assembler example with global variables
//
// global Integer x;
// global Integer y;
// x = 2;
// y = x + 3;
// x = 7 * y + x;
// writeInteger(x + -33);
// writeCharacter('\n');
pushc 2
popg 0
pushg 0
pushc 3
add
popg 1
pushc 7
pushg 1
mul
pushg 0
add
popg 0
pushg 0
pushc -33
add
wrint
pushc '\n'
wrchr
halt

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@@ -1,61 +1,9 @@
//
// prog1.asm -- an assembler example with global variables
//
//
// compute the gcd of two positive numbers
//
// global Integer x;
// global Integer y;
// x = readInteger();
// y = readInteger();
// while (x != y) {
// if (x > y) {
// x = x - y;
// } else {
// y = y - x;
// }
// }
// writeInteger(x);
// writeCharacter('\n');
// x = readInteger();
rdint
popg 0
// y = readInteger();
rdint
popg 1
// while ...
L1:
// x != y
pushg 0 // 4
pushg 1
ne
brf L2
// if ...
pushg 0
pushg 1
gt
brf L3
// x = x - y
pushg 0
pushg 1
sub
popg 0
jmp L4
L3:
// y = y - x
pushg 1 // 17
pushg 0
sub
popg 1
L4:
jmp L1 // 21
L2:
// writeInteger(x);
pushg 0 // 22
wrint
// writeCharacter('\n');
pushc '\n'
wrchr
pushc 1
asf 2
asf 4
pushc 23
asf 3
rsf
rsf
rsf
halt

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@@ -1,12 +1,12 @@
//
// prog2.asm -- an assembler example with local variables
// prog1.asm -- an assembler example with global variables
//
//
// compute the gcd of two positive numbers
//
// local Integer x;
// local Integer y;
// global Integer x;
// global Integer y;
// x = readInteger();
// y = readInteger();
// while (x != y) {
@@ -19,45 +19,43 @@
// writeInteger(x);
// writeCharacter('\n');
asf 2
// x = readInteger();
rdint
popl 0
popg 0
// y = readInteger();
rdint
popl 1
popg 1
// while ...
L1:
// x != y
pushl 0
pushl 1
pushg 0
pushg 1
ne
brf L2
// if ...
pushl 0
pushl 1
pushg 0
pushg 1
gt
brf L3
// x = x - y
pushl 0
pushl 1
pushg 0
pushg 1
sub
popl 0
popg 0
jmp L4
L3:
// y = y - x
pushl 1
pushl 0
pushg 1
pushg 0
sub
popl 1
popg 1
L4:
jmp L1
L2:
// writeInteger(x);
pushl 0
pushg 0
wrint
// writeCharacter('\n');
pushc '\n'
wrchr
rsf
halt

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@@ -1,35 +1,63 @@
//
// prog01.asm -- call/ret without args, and without ret value
// prog2.asm -- an assembler example with local variables
//
asf 3
pushc 11
wrint
pushc '\n'
wrchr
call proc
pushc 44
//
// compute the gcd of two positive numbers
//
// local Integer x;
// local Integer y;
// x = readInteger();
// y = readInteger();
// while (x != y) {
// if (x > y) {
// x = x - y;
// } else {
// y = y - x;
// }
// }
// writeInteger(x);
// writeCharacter('\n');
asf 2
// x = readInteger();
rdint
popl 0
// y = readInteger();
rdint
popl 1
// while ...
L1:
// x != y
pushl 0
pushl 1
ne
brf L2
// if ...
pushl 0
pushl 1
gt
brf L3
// x = x - y
pushl 0
pushl 1
sub
popl 0
jmp L4
L3:
// y = y - x
pushl 1
pushl 0
sub
popl 1
L4:
jmp L1
L2:
// writeInteger(x);
pushl 0
wrint
// writeCharacter('\n');
pushc '\n'
wrchr
rsf
halt
proc:
asf 2
pushc 22
wrint
pushc '\n'
wrchr
call proctwo
rsf
ret
proctwo:
asf 2
pushc 33
wrint
pushc '\n'
wrchr
rsf
ret

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@@ -1,28 +1,61 @@
//
// prog02.asm -- call/ret with args, but without ret value
// prog1.asm -- an assembler example with global variables
//
asf 3
pushc 11
pushc 33
call proc
drop 2
rsf
//
// compute the gcd of two positive numbers
//
// global Integer x;
// global Integer y;
// x = readInteger();
// y = readInteger();
// while (x != y) {
// if (x > y) {
// x = x - y;
// } else {
// y = y - x;
// }
// }
// writeInteger(x);
// writeCharacter('\n');
// x = readInteger();
rdint
popg 0
// y = readInteger();
rdint
popg 1
// while ...
L1:
// x != y
pushg 0
pushg 1
ne
brf L2
// if ...
pushg 0
pushg 1
gt
brf L3
// x = x - y
pushg 0
pushg 1
sub
popg 0
jmp L4
L3:
// y = y - x
pushg 1
pushg 0
sub
popg 1
L4:
jmp L1
L2:
// writeInteger(x);
pushg 0
wrint
// writeCharacter('\n');
pushc '\n'
wrchr
halt
proc:
asf 2
pushl -4
wrint
pushc '\n'
wrchr
pushc 22
wrint
pushc '\n'
wrchr
pushl -3
wrint
pushc '\n'
wrchr
rsf
ret

View File

@@ -1,28 +1,17 @@
//
// prog02.asm -- call/ret with args, but without ret value
// prog04.asm -- call/ret with args, and with ret value
//
asf 3
pushc 11
pushc 33
call proc
drop 2
rsf
halt
pushc 12
rdint
mul
wrint
call proc
halt
proc:
asf 2
pushl 4
wrint
pushc '\n'
wrchr
pushc 22
wrint
pushc '\n'
wrchr
pushl 3
wrint
pushc '\n'
wrchr
rsf
ret
asf 1
pushc '\n'
wrchr
rsf
ret

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48
reg.c Executable file
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@@ -0,0 +1,48 @@
//
// Created by Nils on 29.10.2023.
//
#ifndef REG
#define REG
#include <stdio.h>
#include <stdlib.h>
struct reg {
int* size;
int* current;
unsigned int *stack;
};
void printStackR(struct reg stack) {
printf("Regurn reg\nSize:\t\t%i\nCurrent:\t%i\n", *stack.size, *stack.current);
for (int i = *stack.current-1; i > 0; --i) {
printf("||%i||\n", stack.stack[i]);
}
}
void pushR(struct reg s, unsigned int value) {
if (*s.current >= *s.size) {
printf("Stack Overflow\n");
exit(EXIT_FAILURE);
}
s.stack[*s.current] = value;
*s.current=*s.current + 1;
}
unsigned int popR(struct reg s) {
if (*s.current == 0) {
printf("Stack Underflow\n");
exit(EXIT_FAILURE);
}
*s.current = *s.current -1;
return s.stack[*s.current];
}
unsigned int peekR(struct reg s, int steps) {
if (*s.current - steps < 0) {
printf("Stack Underflow\n");
exit(EXIT_FAILURE);
}
return s.stack[*s.current - steps];
}
#endif

65
stack.c
View File

@@ -3,46 +3,57 @@
//
#ifndef STACK
#define STACK
#define SIZE 1000
#include <stdio.h>
#include <stdlib.h>
struct stackFrame {
int *fp; // Frame pointer
int *sp; // Stack pointer
int *bp; // Base pointer
};
#include "stackslot.c"
struct stack {
int size;
int currentFrame;
struct stackFrame *frames[SIZE];
int* size;
int* current;
StackSlot *stack;
};
void printStack(struct stack *stack) {
printf("Stack:\n");
for (int i = 0; i < stack->size; ++i) {
printf("[%d] = %d\n", i, stack->frames[stack->currentFrame]->sp[i]);
void printStack(struct stack stack, int fp) {
printf("Stack\nSize:\t\t%i\nCurrent:\t%i\n", *stack.size, *stack.current);
for (int i = *stack.current -1; i >= 0; --i) {
printf("%i\t",i);
if(stack.stack[i].isObjRef){
printf("|%p|", stack.stack[i].u.objRef);
if(stack.stack[i].u.objRef->size == sizeof(int))
printf("(%i)",*(int *)stack.stack[i].u.objRef->data);
}else {
printf("|%i|", getIntValfromStackSlot(stack.stack[i]));
}
if(fp == i) printf("<-\tFP\n");
else if(*stack.current == i) printf("<-\tSP\n");
else printf("\n");
}
}
void push(struct stack *stack, unsigned int value) {
struct stackFrame *currentFrame = stack->frames[stack->currentFrame];
*(currentFrame->sp) = value;
currentFrame->sp++;
void push(struct stack s, StackSlot value) {
if (*s.current >= *s.size) {
printf("Stack Overflow\n");
exit(EXIT_FAILURE);
}
s.stack[*s.current] = value;
*s.current=*s.current + 1;
}
int pop(struct stack *stack) {
struct stackFrame *currentFrame = stack->frames[stack->currentFrame];
currentFrame->sp--;
return *(currentFrame->sp);
StackSlot pop(struct stack s) {
if (*s.current == 0) {
printf("Stack Underflow\n");
exit(EXIT_FAILURE);
}
*s.current = *s.current -1;
return s.stack[*s.current];
}
int peek(struct stack *stack, int steps) { // peek is pop without removing the value
struct stackFrame *currentFrame = stack->frames[stack->currentFrame];
return *(currentFrame->sp - steps);
int peek(struct stack s, int steps) {
if (*s.current - steps < 0) {
printf("Stack Underflow\n");
exit(EXIT_FAILURE);
}
return getIntValfromStackSlot(s.stack[*s.current - steps]);
}
#endif

57
stackslot.c Normal file
View File

@@ -0,0 +1,57 @@
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#ifndef STACKSLOT
#define STACKSLOT
typedef int Object;
typedef struct {
unsigned int size;
unsigned char data[1];
} *ObjRef;
typedef struct{
bool isObjRef;
union {
ObjRef objRef;
int number;
} u;
} StackSlot;
ObjRef getIntObj(int val){
ObjRef intObject;
unsigned int objSize = sizeof(unsigned int) + sizeof(int);
if ((intObject = malloc(objSize)) == NULL) {
perror("malloc");
}
*(int *)intObject->data=val;
intObject->size=sizeof(int);
return intObject;
}
int getValFromIntObj(ObjRef iref){
return *(int *)iref->data;
}
int getIntValfromStackSlot(StackSlot s){
if(s.isObjRef){
return *(int *)s.u.objRef->data;
}
return s.u.number;
}
void setValIntObj(ObjRef iref, int val){
iref->size=sizeof(int);
*(int *)iref->data=val;
}
StackSlot stackSlotWithObjRef(ObjRef val){
StackSlot *stackSlot;
stackSlot=malloc(sizeof(StackSlot));
stackSlot->isObjRef=true;
stackSlot->u.objRef=val;
return *stackSlot;
}
StackSlot stackSlotWitchNumber(int val){
StackSlot *stackSlot;
stackSlot= malloc(sizeof(StackSlot));
stackSlot->isObjRef=false;
stackSlot->u.number=val;
return *stackSlot;
}
#endif