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内存布局图
内存布局图 - 代码演示
#import <UIKit/UIKit.h>
#import "AppDelegate.h"
int a = 10;
int b;
int main(int argc, char * argv[]) {
@autoreleasepool {
static int c = 20;
static int d;
int e;
int f = 20;
NSString *str = @"123";
NSObject *obj = [[NSObject alloc] init];
NSLog(@"\n&a=%p\n&b=%p\n&c=%p\n&d=%p\n&e=%p\n&f=%p\nstr=%p\nobj=%p\n",
&a, &b, &c, &d, &e, &f, str, obj);
return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
}
}
/*
字符串常量
str=0x10dfa0068
已初始化的全局变量、静态变量
&a =0x10dfa0db8
&c =0x10dfa0dbc
未初始化的全局变量、静态变量
&d =0x10dfa0e80
&b =0x10dfa0e84
堆
obj=0x608000012210
栈
&f =0x7ffee1c60fe0
&e =0x7ffee1c60fe4
*/
