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2 Commits

Author SHA1 Message Date
nilspolek
91b36a53d5 changed stack size 2024-01-26 19:13:42 +01:00
nilspolek
169217fd2c changed stack size 2024-01-26 17:01:07 +01:00
17 changed files with 115 additions and 66 deletions

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@ -13,7 +13,7 @@ target_include_directories(njvm PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/bigint/build
# Add the library
add_library(bigint STATIC ${CMAKE_SOURCE_DIR}/bigint/src/bigint.c
support.c
heap.c)
GC.c)
# Include directories for the bigint library
target_include_directories(bigint PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/bigint/build/include)

52
GC.c Normal file
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@ -0,0 +1,52 @@
#ifndef GC
#define GC
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "stackslot.c"
#include "stack.c"
#include "bigint.h"
#include "instruktion.c"
#include "record.c"
typedef struct {
unsigned int freiZeiger;
unsigned int size;
ObjRef *data;
} *heapPartRef;
// Stack
struct stack stack;
#define SIZE 64
//Register
struct stack reg;
heapPartRef primary;
heapPartRef secondary;
unsigned int heapSize;
void initHeap(int size){
heapSize = 2 * sizeof (unsigned int) + size;
if ((primary = malloc(heapSize)) == NULL) perror("malloc");
if ((secondary = malloc(heapSize)) == NULL) perror("malloc");
}
// nimmt obj und copier es in den secondary Speicher
void copy(ObjRef obj){
if(obj->brokenHeart == true) return;
obj->brokenHeart = true;
if (IS_PRIMITIVE(obj)){
obj->forward_pointer = memcpy(secondary->data[secondary->freiZeiger],obj,obj->size);
secondary->freiZeiger += obj->size;
} else {
GET_ELEMENT_COUNT(obj);
obj->forward_pointer = memcpy(secondary->data[secondary->freiZeiger],obj,sizeof(*obj) + (GET_ELEMENT_COUNT(obj) * sizeof(void *)));
secondary->freiZeiger += sizeof(*obj) + (GET_ELEMENT_COUNT(obj) * sizeof(void *));
for (int i = 0; i < GET_ELEMENT_COUNT(obj); ++i) {
copy(getField(obj,i));
}
}
}
#endif

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11
heap.c
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@ -1,11 +0,0 @@
//
// Created by Nils Polek on 23.01.24.
//
typedef struct {
int size;
int hcurrent;
}heap;
//void* alloc(int size){
// return {}
//}

12
njvm.c
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@ -9,22 +9,15 @@
#include "debugMenu.c"
#include "bigint.h"
#include "record.c"
#include "GC.c"
// Debug
int debug = 0;
// Stack
struct stack stack;
#define SIZE 64
//Register
struct stack reg;
// Program
struct program program;
// SDA
struct sda sda;
unsigned fp;
void version(void) {
@ -313,7 +306,6 @@ void tests(void) {
int main(int argc, char *argv[]) {
// Initialize the Stack
int size = SIZE;
int current = 0;

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njvm.o

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@ -1,9 +1,11 @@
#ifndef OBJREF
#define OBJREF
typedef struct {
unsigned int size;
unsigned char data[1];
#include <stdbool.h>
typedef struct ObjRef{
unsigned int size;
unsigned char data[1];
} *ObjRef;
#endif /* ifndef OBJREF

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@ -7,6 +7,10 @@
#include <stdio.h>
#include <stdlib.h>
#include "stackslot.c"
#include "sda.c"
// SDA
struct sda sda;
struct stack {
int* size;
@ -17,7 +21,7 @@ struct stack {
typedef struct {
unsigned int size;
ObjRef *refs;
}ObjRefContainer;
}ObjRefContainer;
void printStack(struct stack stack, int fp) {
printf("Stack\nSize:\t\t%i\nCurrent:\t%i\n", *stack.size, *stack.current);

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@ -1,57 +1,66 @@
#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];
typedef struct ObjRef{
bool brokenHeart;
struct ObjRef *forward_pointer;
unsigned int size;
unsigned char data[1];
} *ObjRef;
typedef struct{
bool isObjRef;
union {
ObjRef objRef;
int number;
} u;
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;
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 getValFromIntObj(ObjRef iref) {
return *(int *) iref->data;
}
int getIntValfromStackSlot(StackSlot s){
if(s.isObjRef){
return *(int *)s.u.objRef->data;
}
return s.u.number;
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;
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 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;
StackSlot stackSlotWitchNumber(int val) {
StackSlot *stackSlot;
stackSlot = malloc(sizeof(StackSlot));
stackSlot->isObjRef = false;
stackSlot->u.number = val;
return *stackSlot;
}
#endif

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@ -1,3 +1,4 @@
#include "support.h"
#include <stdio.h>
#include <stdlib.h>

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support.o

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