lab3.c

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int ga=28, gb = 39;    /* global  */
int gc, gd;

char *str1 ="0123456789";
char *str2 ="ABCDEFGHIJ";
char table[]="abcdefghijklmnopqrstuvwxyz\n";
char *str3;

extern int getsp(void);
void mem_dump(unsigned char *ptr, unsigned int len);

int m1_main(void)
{
	gc = 0xdeadbeef;
	gd = 0x0badc0de;
	
	printf("ga=%d\ngb=%d\ngc=0x%x\ngd=0x%x\n*str1=%s(str1=0x%x)\n*str2=%s(str2=0x%x)\ntable[]=%s\n",
			ga,gb,gc,gd,str1,str1,str2,str2,table);
	printf("sp=0x%x\npc=0x%x\n",getsp(),getpc());
	printf("Address of gc, gd = 0x%x, 0x%x\n", &gc, &gd);
	getc();
	
	mem_dump(table, 44);
	getc();
	
	mem_dump(str1, 12);
	getc();
	
	mem_dump(str2, 12);

	return 0;
}

void mem_dump(unsigned char *ptr, unsigned int len)
{
	int i;
	printf("Memory dump at address: 0x%x\n",ptr);
	for(i=0;i<len;i+=4)
		printf("0x%x : %02x %02x %02x %02x\n",
			&ptr[i],ptr[i+3],ptr[i+2],ptr[i+1],ptr[i]);
}