afcidk

CONFIG_MODULE_SIG = n
TARGET_MODULE := test_mutex

obj-m := $(TARGET_MODULE).o
ccflags-y := -std=gnu99 -Wno-declaration-after-statement

KDIR := /lib/modules/$(shell uname -r)/build
PWD := $(shell pwd)

all: client

afcidk

PWD := $(shell pwd)
KDIR = /usr/src/linux-headers-$(shell uname -r)/

MODULE_NAME = floating
obj-m := $(MODULE_NAME).o
ccflags-y := -std=gnu99 -Wno-declaration-after-statement -mhard-float

all: clean integer_ver float_ver
	gnuplot plot.gp

afcidk

// Reference: https://gcc.gnu.org/onlinedocs/gcc-4.7.2/gcc/Function-Attributes.html

#include <stdio.h>

extern void func(void);

void print_hi(void) {
    printf("hello~\n");
}

afcidk

CC = gcc
SIZE = 100000

all: macro function

macro: base.c
	$(CC) -o macro base.c -DMACRO -g -DNAME=\"macro.log\"

function: base.c
	$(CC) -o function base.c -g -DNAME=\"func.log\"

afcidk

void wrong_change(int number) {
   int num;
   num = number;
   num++;
}

afcidk

#include<stdio.h>

void wrong_change(int);
void correct_change(int*);


int main() {
   int number = 5;
   printf("the number now is : %d\n",number);