#include<stdio.h>
#include<stdlib.h>int global_ni;        // .bss
int global_iz = 0 ; // .bssint global_inz = 1; // .dataconst int global_const0 = 0;
const int global_const1 = 1;void function(void)
{int local_fni;int local_finz = 1;int local_fiz = 0 ;static int static_fni;static int static_finz = 1;static int static_fiz = 0 ;int *p2 = (int*)malloc(sizeof(int));printf("子函数 局部变量 : \n");printf(" local_fni: %p \n", &local_fni);printf(" local_finz: %p \n", &local_finz);printf(" local_fiz: %p \n", &local_fiz);printf("子函数 静态变量 : \n");printf(" static_fni: %p \n", &static_fni);printf(" static_finz: %p \n", &static_finz);printf(" static_fiz: %p \n", &static_fiz);printf("子函数 指针变量 : \n");printf(" p2 : %p \n", p2);printf("子函数地址 : \n");printf(" function : %p \n", function);
}int main(int argc, char **argv)
{int local_mni;int local_minz = 1;int local_miz = 0 ;static int static_mni;static int static_minz = 1;static int static_miz = 0 ;int *p1 = (int*)malloc(sizeof(int));const int local_const0 = 0;const int local_const1 = 1;char* str_ptr = "char";printf("主函数 局部变量 : \n");printf(" local_mni : %p \n", &local_mni);printf(" local_minz : %p \n", &local_minz);printf(" local_miz : %p \n", &local_miz);printf("const 变量: \n");printf(" local_const0 : %p \n", &local_const0);printf(" local_const1 : %p \n", &local_const1);printf(" global_const0 : %p \n", &global_const0);printf(" global_const1 : %p \n", &global_const1);printf("主函数 malloc指针变量 : \n");printf(" p1 : %p \n", p1);printf("全局变量 : \n");printf(" global_ni : %p \n", &global_ni);printf(" global_inz : %p \n", &global_inz);printf(" global_iz : %p \n", &global_iz);printf("主函数 静态变量 : \n");printf(" static_mni: %p \n", &static_mni);printf(" static_minz: %p \n", &static_minz);printf(" static_miz: %p \n", &static_miz);printf("字符串常量 : \n");printf(" str_ptr : %p \n", str_ptr);printf("主函数地址 : \n");printf(" main : %p \n", main);printf("= = = = = = = = = = = = = = = \n");function();return 0;
}/*
= = = = = = = = = = = = = = =
测试:arm-none-linux-gnueabi-gcc -o test main.c arm-none-linux-gnueabi-objdump -Dhs test > test.dis 分析:
Disassembly of section .text: 000083e0
{
子函数地址 : function :
主函数地址 : main :   }Disassembly of section .rodata: 000088c0
{
const 变量: 全局global_const0     global_const1
字符串常量 :  str_ptr
}
//.data中是初始化为非0的全局变量和静态变量
Disassembly of section .data: 00010d5c
{ global_inz     static_minz   static_finz
}    //.bss中是初始化为0以及没有初始化的全局变量和静态变量
Disassembly of section .bss: 00010d70
{global_iz   static_mni  static_miz     static_fni   static_fiz  global_ni    }堆空间: //动态的
{
主函数 malloc指针变量 : p1 :   子函数 malloc指针变量 : p2 :
}栈空间:    //动态的
{
子函数 局部变量 : local_fiz :   local_finz:   local_fni :   const 变量: 局部local_const1 :   local_const0 :   主函数 局部变量 : local_miz :   local_minz:   local_mni :
}
*/

test:     file format elf32-littlearmSections:
Idx Name          Size      VMA       LMA       File off  Algn0 .interp       00000013  00008134  00008134  00000134  2**0CONTENTS, ALLOC, LOAD, READONLY, DATA1 .note.ABI-tag 00000020  00008148  00008148  00000148  2**2CONTENTS, ALLOC, LOAD, READONLY, DATA, LINK_ONCE_SAME_CONTENTS2 .hash         0000003c  00008168  00008168  00000168  2**2CONTENTS, ALLOC, LOAD, READONLY, DATA3 .dynsym       000000a0  000081a4  000081a4  000001a4  2**2CONTENTS, ALLOC, LOAD, READONLY, DATA4 .dynstr       000000a7  00008244  00008244  00000244  2**0CONTENTS, ALLOC, LOAD, READONLY, DATA5 .gnu.version  00000014  000082ec  000082ec  000002ec  2**1CONTENTS, ALLOC, LOAD, READONLY, DATA6 .gnu.version_r 00000040  00008300  00008300  00000300  2**2CONTENTS, ALLOC, LOAD, READONLY, DATA7 .rel.dyn      00000008  00008340  00008340  00000340  2**2CONTENTS, ALLOC, LOAD, READONLY, DATA8 .rel.plt      00000030  00008348  00008348  00000348  2**2CONTENTS, ALLOC, LOAD, READONLY, DATA9 .init         0000000c  00008378  00008378  00000378  2**2CONTENTS, ALLOC, LOAD, READONLY, CODE10 .plt          0000005c  00008384  00008384  00000384  2**2CONTENTS, ALLOC, LOAD, READONLY, CODE11 .text         000004d8  000083e0  000083e0  000003e0  2**2CONTENTS, ALLOC, LOAD, READONLY, CODE12 .fini         00000008  000088b8  000088b8  000008b8  2**2CONTENTS, ALLOC, LOAD, READONLY, CODE13 .rodata       00000314  000088c0  000088c0  000008c0  2**2CONTENTS, ALLOC, LOAD, READONLY, DATA14 .ARM.extab    00000024  00008bd4  00008bd4  00000bd4  2**2CONTENTS, ALLOC, LOAD, READONLY, DATA15 .ARM.exidx    00000040  00008bf8  00008bf8  00000bf8  2**2CONTENTS, ALLOC, LOAD, READONLY, DATA16 .init_array   00000004  00010c38  00010c38  00000c38  2**2CONTENTS, ALLOC, LOAD, DATA17 .fini_array   00000004  00010c3c  00010c3c  00000c3c  2**2CONTENTS, ALLOC, LOAD, DATA18 .jcr          00000004  00010c40  00010c40  00000c40  2**2CONTENTS, ALLOC, LOAD, DATA19 .dynamic      000000f0  00010c44  00010c44  00000c44  2**2CONTENTS, ALLOC, LOAD, DATA20 .got          00000028  00010d34  00010d34  00000d34  2**2CONTENTS, ALLOC, LOAD, DATA21 .data         00000014  00010d5c  00010d5c  00000d5c  2**2CONTENTS, ALLOC, LOAD, DATA22 .bss          0000001c  00010d70  00010d70  00000d70  2**2ALLOC23 .ARM.attributes 0000002b  00000000  00000000  00000d70  2**0CONTENTS, READONLY24 .comment      0000002b  00000000  00000000  00000d9b  2**0CONTENTS, READONLY25 .debug_frame  00000044  00000000  00000000  00000dc8  2**2CONTENTS, READONLY, DEBUGGING