1 // TestCall.cpp : Defines the entry point for the console application. 2 // 3 4 #include "stdafx.h" 5 #include <windows.h> 6 #include <stdio.h> 7 8 9 int __stdcall test_stdcall(char para1, char para2) 10 { 11 para1 = para2; 12 return 0; 13 14 } 15 16 int __cdecl test_cdecl(char para, ...) 17 { 18 char p = '\n'; 19 20 va_list marker; 21 22 va_start( marker, para ); 23 24 while( p != '\0' ) 25 { 26 p = va_arg( marker, char); 27 printf("%c\n", p); 28 29 } 30 31 va_end( marker ); 32 33 return 0; 34 35 } 36 37 int pascal test_pascal(char para1, char para2) 38 { 39 return 0; 40 41 } 42 43 int __fastcall test_fastcall(char para1, char para2, char para3, char para4) 44 { 45 para1 = (char)1; 46 para2 = (char)2; 47 para3 = (char)3; 48 para4 = (char)4; 49 50 return 0; 51 52 } 53 __declspec(naked) void __stdcall test_naked(char para1, char para2) 54 { 55 __asm 56 { 57 push ebp 58 mov ebp, esp 59 60 push eax 61 62 mov al,byte ptr [ebp + 0Ch] 63 xchg byte ptr [ebp + 8],al 64 65 pop eax 66 pop ebp 67 ret 8 68 } 69 70 71 72 // return ; 73 74 } 75 76 77 int main(int argc, char* argv[]) 78 { 79 test_stdcall( 'a', 'b' ); 80 81 test_cdecl( 'c','d','e','f','g' ,'h' ,'\0'); 82 83 test_pascal( 'e', 'f' ); 84 85 test_fastcall( 'g', 'h', 'i', 'j' ); 86 87 test_naked( 'k', 'l'); 88 89 return 0; 90 } 91
vc自身的调试信息：
1 76: { 2 004011C0 push ebp 3 004011C1 mov ebp,esp 4 004011C3 sub esp,40h 5 004011C6 push ebx 6 004011C7 push esi 7 004011C8 push edi 8 004011C9 lea edi,[ebp-40h] 9 004011CC mov ecx,10h 10 004011D1 mov eax,0CCCCCCCCh 11 004011D6 rep stos dword ptr [edi] 12 77: test_stdcall( 'a', 'b' ); 13 004011D8 push 62h ;push 'b' 14 004011DA push 61h ;push 'a' 15 004011DC call @ILT+15(test_stdcall) (00401014) 16 78: 17 79: test_cdecl( 'c','d','e','f','g' ,'h' ,'\0'); 18 004011E1 push 0 19 004011E3 push 68h 20 004011E5 push 67h 21 004011E7 push 66h 22 004011E9 push 65h 23 004011EB push 64h 24 004011ED push 63h 25 004011EF call @ILT+0(test_cdecl) (00401005) 26 004011F4 add esp,1Ch ;由调用函数负责平衡堆栈 27 80: 28 81: test_pascal( 'e', 'f' ); 29 004011F7 push 66h 30 004011F9 push 65h 31 004011FB call @ILT+10(test_pascal) (0040100f) 32 82: 33 83: test_fastcall( 'g', 'h', 'i', 'j' ); 34 00401200 push 6Ah 35 00401202 push 69h 36 00401204 mov dl,68h 37 00401206 mov cl,67h 38 00401208 call @ILT+5(test_fastcall) (0040100a) 39 84: 40 85: test_naked( 'k', 'l'); 41 0040120D push 6Ch 42 0040120F push 6Bh 43 00401211 call @ILT+25(test_naked) (0040101e) 44 86: 45 87: return 0; 46 00401216 xor eax,eax 47 88: } 48 00401218 pop edi 49 00401219 pop esi 50 0040121A pop ebx 51 0040121B add esp,40h 52 0040121E cmp ebp,esp 53 00401220 call __chkesp (004012d0) 54 00401225 mov esp,ebp 55 00401227 pop ebp 56 00401228 ret
怎么老感觉和书上的有差别呢？？？