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ヘルプC言語系/呼び出し規約/x86/"WINAPI"他 (v1)
C言語系 / 呼び出し規約 / x86 / "WINAPI"他 (v1)
id: 627 所有者: msakamoto-sf
作成日: 2010-03-17 17:52:51
カテゴリ: Assembler C言語 Windows
カテゴリ: Assembler C言語 Windows
"WINAPI", "CALLBACK", "APIENTRY"はヘッダーファイルで定義された呼び出し規約で、実際にどの呼び出し規約("__stdcall", "__cdecl", "__pascal", ...)になるかは OS/コンパイラによって異なってくるので、使用する場合は注意が必要。
ただし、2010年現在の Win32 APIプラットフォームにおいては基本的にどれも "__stdcall" と考えて良い。
VC++2008, Borland C++ Compiler共に、この3つは"__stdcall"にdefineされている。
- サンプルコード(winapis.c)
- VC++2008 Express Edtion
- Borland C++ Compiler
- MinGW/MSYS
- OpenWatcom Compiler(16bit)
- OpenWatcom Compiler(32bit)
サンプルコード(winapis.c)
WINAPI, CALLBACK, APIENTRY はWin32API用なので、使うにはWindows用のヘッダーファイルをincludeする必要がある。今回は "windows.h" をincludeした。
#include <stdio.h> #include <windows.h> int WINAPI foo1(int a, int b, int c, int d, int e) { return a + b + c + d + e; } int CALLBACK foo2(int a, int b, int c, int d, int e) { return a + b + c + d + e; } int APIENTRY foo3(int a, int b, int c, int d, int e) { return a + b + c + d + e; } int main(int argc, char *argv[]) { printf("foo1() = %d\n", foo1(1, 2, 3, 4, 5)); printf("foo2() = %d\n", foo2(6, 7, 8, 9, 0)); printf("foo3() = %d\n", foo3(10, 20, 30, 40, 50)); return 0; }
VC++2008 Express Edtion
プリプロセス結果およびアセンブラ出力から、"__stdcall" にdefineされている事が分かる。
コンパイル＆リンク＆実行
> cl /FAs /TC /Od /nologo /c winapis.c > link /SUBSYSTEM:CONSOLE /NOLOGO /OUT:winapis.exe winapis.obj > winapis.exe foo1() = 15 foo2() = 30 foo3() = 150
プリプロセス結果を生成：
> cl /P /TC /Od /nologo /c winapis.c
プリプロセス結果：
#line 3 "winapis.c" int __stdcall foo1(int a, int b, int c, int d, int e) { return a + b + c + d + e; } int __stdcall foo2(int a, int b, int c, int d, int e) { return a + b + c + d + e; } int __stdcall foo3(int a, int b, int c, int d, int e) { return a + b + c + d + e; } int main(int argc, char *argv[]) { printf("foo1() = %d\n", foo1(1, 2, 3, 4, 5)); printf("foo2() = %d\n", foo2(6, 7, 8, 9, 0)); printf("foo3() = %d\n", foo3(10, 20, 30, 40, 50)); return 0; }
アセンブラ出力(winapis.asm)
; Listing generated by Microsoft (R) Optimizing Compiler Version 15.00.30729.01
TITLE C:\in_vitro\c\cc_vc\winapis.c
.686P
.XMM
include listing.inc
.model flat
INCLUDELIB LIBCMT
INCLUDELIB OLDNAMES
_DATA SEGMENT
$SG78612 DB 'foo1() = %d', 0aH, 00H
ORG $+3
$SG78613 DB 'foo2() = %d', 0aH, 00H
ORG $+3
$SG78614 DB 'foo3() = %d', 0aH, 00H
_DATA ENDS
PUBLIC _foo1@20
; Function compile flags: /Odtp
; File c:\in_vitro\c\cc_vc\winapis.c
_TEXT SEGMENT
_a$ = 8 ; size = 4
_b$ = 12 ; size = 4
_c$ = 16 ; size = 4
_d$ = 20 ; size = 4
_e$ = 24 ; size = 4
_foo1@20 PROC
; 6 : { return a + b + c + d + e; }
push ebp
mov ebp, esp
mov eax, DWORD PTR _a$[ebp]
add eax, DWORD PTR _b$[ebp]
add eax, DWORD PTR _c$[ebp]
add eax, DWORD PTR _d$[ebp]
add eax, DWORD PTR _e$[ebp]
pop ebp
ret 20 ; 00000014H
_foo1@20 ENDP
_TEXT ENDS
PUBLIC _foo2@20
; Function compile flags: /Odtp
_TEXT SEGMENT
_a$ = 8 ; size = 4
_b$ = 12 ; size = 4
_c$ = 16 ; size = 4
_d$ = 20 ; size = 4
_e$ = 24 ; size = 4
_foo2@20 PROC
; 10 : { return a + b + c + d + e; }
push ebp
mov ebp, esp
mov eax, DWORD PTR _a$[ebp]
add eax, DWORD PTR _b$[ebp]
add eax, DWORD PTR _c$[ebp]
add eax, DWORD PTR _d$[ebp]
add eax, DWORD PTR _e$[ebp]
pop ebp
ret 20 ; 00000014H
_foo2@20 ENDP
_TEXT ENDS
PUBLIC _foo3@20
; Function compile flags: /Odtp
_TEXT SEGMENT
_a$ = 8 ; size = 4
_b$ = 12 ; size = 4
_c$ = 16 ; size = 4
_d$ = 20 ; size = 4
_e$ = 24 ; size = 4
_foo3@20 PROC
; 14 : { return a + b + c + d + e; }
push ebp
mov ebp, esp
mov eax, DWORD PTR _a$[ebp]
add eax, DWORD PTR _b$[ebp]
add eax, DWORD PTR _c$[ebp]
add eax, DWORD PTR _d$[ebp]
add eax, DWORD PTR _e$[ebp]
pop ebp
ret 20 ; 00000014H
_foo3@20 ENDP
_TEXT ENDS
PUBLIC _main
EXTRN _printf:PROC
; Function compile flags: /Odtp
_TEXT SEGMENT
_argc$ = 8 ; size = 4
_argv$ = 12 ; size = 4
_main PROC
; 16 : int main(int argc, char *argv[]) {
push ebp
mov ebp, esp
; 17 : printf("foo1() = %d\n", foo1(1, 2, 3, 4, 5));
push 5
push 4
push 3
push 2
push 1
call _foo1@20
push eax
push OFFSET $SG78612
call _printf
add esp, 8
; 18 : printf("foo2() = %d\n", foo2(6, 7, 8, 9, 0));
push 0
push 9
push 8
push 7
push 6
call _foo2@20
push eax
push OFFSET $SG78613
call _printf
add esp, 8
; 19 : printf("foo3() = %d\n", foo3(10, 20, 30, 40, 50));
push 50 ; 00000032H
push 40 ; 00000028H
push 30 ; 0000001eH
push 20 ; 00000014H
push 10 ; 0000000aH
call _foo3@20
push eax
push OFFSET $SG78614
call _printf
add esp, 8
; 20 : return 0;
xor eax, eax
; 21 : }
pop ebp
ret 0
_main ENDP
_TEXT ENDS
END
Borland C++ Compiler
プリプロセス結果およびアセンブラ出力から、"__stdcall" にdefineされている事が分かる。
アセンブラコードを生成
> bcc32 -S winapis.c
コンパイル＆実行
> bcc32 winapis.c > winapis.exe foo1() = 15 foo2() = 30 foo3() = 150
プリプロセス結果を生成：
> cpp32 winapis.c
プリプロセス結果：
/* winapis.c 3: */ /* winapis.c 4: */int __stdcall /* winapis.c 5: */foo1(int a, int b, int c, int d, int e) /* winapis.c 6: */{ return a + b + c + d + e; } /* winapis.c 7: */ /* winapis.c 8: */int __stdcall /* winapis.c 9: */foo2(int a, int b, int c, int d, int e) /* winapis.c 10: */{ return a + b + c + d + e; } /* winapis.c 11: */ /* winapis.c 12: */int __stdcall /* winapis.c 13: */foo3(int a, int b, int c, int d, int e) /* winapis.c 14: */{ return a + b + c + d + e; } /* winapis.c 15: */ /* winapis.c 16: */int main(int argc, char *argv[]) { /* winapis.c 17: */printf("foo1() = %d\n", foo1(1, 2, 3, 4, 5)); /* winapis.c 18: */printf("foo2() = %d\n", foo2(6, 7, 8, 9, 0)); /* winapis.c 19: */printf("foo3() = %d\n", foo3(10, 20, 30, 40, 50)); /* winapis.c 20: */return 0; /* winapis.c 21: */}
アセンブラ出力(winapis.asm)
.386p
ifdef ??version
if ??version GT 500H
.mmx
endif
endif
model flat
ifndef ??version
?debug macro
endm
endif
?debug S "winapis.c"
?debug T "winapis.c"
_TEXT segment dword public use32 'CODE'
_TEXT ends
_DATA segment dword public use32 'DATA'
_DATA ends
_BSS segment dword public use32 'BSS'
_BSS ends
DGROUP group _BSS,_DATA
_TEXT segment dword public use32 'CODE'
foo1 proc near
?live1@0:
;
; foo1(int a, int b, int c, int d, int e)
;
push ebp
mov ebp,esp
;
; { return a + b + c + d + e; }
;
@1:
mov eax,dword ptr [ebp+8]
add eax,dword ptr [ebp+12]
add eax,dword ptr [ebp+16]
add eax,dword ptr [ebp+20]
add eax,dword ptr [ebp+24]
@3:
@2:
pop ebp
ret 20
foo1 endp
foo2 proc near
?live1@48:
;
; foo2(int a, int b, int c, int d, int e)
;
push ebp
mov ebp,esp
;
; { return a + b + c + d + e; }
;
@4:
mov eax,dword ptr [ebp+8]
add eax,dword ptr [ebp+12]
add eax,dword ptr [ebp+16]
add eax,dword ptr [ebp+20]
add eax,dword ptr [ebp+24]
@6:
@5:
pop ebp
ret 20
foo2 endp
foo3 proc near
?live1@96:
;
; foo3(int a, int b, int c, int d, int e)
;
push ebp
mov ebp,esp
;
; { return a + b + c + d + e; }
;
@7:
mov eax,dword ptr [ebp+8]
add eax,dword ptr [ebp+12]
add eax,dword ptr [ebp+16]
add eax,dword ptr [ebp+20]
add eax,dword ptr [ebp+24]
@9:
@8:
pop ebp
ret 20
foo3 endp
_main proc near
?live1@144:
;
; int main(int argc, char *argv[]) {
;
push ebp
mov ebp,esp
;
; printf("foo1() = %d\n", foo1(1, 2, 3, 4, 5));
;
@10:
push 5
push 4
push 3
push 2
push 1
call foo1
push eax
push offset s@
call _printf
add esp,8
;
; printf("foo2() = %d\n", foo2(6, 7, 8, 9, 0));
;
push 0
push 9
push 8
push 7
push 6
call foo2
push eax
push offset s@+13
call _printf
add esp,8
;
; printf("foo3() = %d\n", foo3(10, 20, 30, 40, 50));
;
push 50
push 40
push 30
push 20
push 10
call foo3
push eax
push offset s@+26
call _printf
add esp,8
;
; return 0;
;
xor eax,eax
;
; }
;
@12:
@11:
pop ebp
ret
_main endp
_TEXT ends
_DATA segment dword public use32 'DATA'
s@ label byte
; s@+0:
db "foo1() = %d",10,0
; s@+13:
db "foo2() = %d",10,0
; s@+26:
db "foo3() = %d",10,0
align 4
_DATA ends
_TEXT segment dword public use32 'CODE'
_TEXT ends
public foo1
public foo2
public foo3
public _main
extrn __setargv__:near
extrn _printf:near
?debug C 9F757569642E6C6962
?debug C 9F757569642E6C6962
?debug D "C:\in_vitro\apps\borland\bcc55\include\imm.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\mcx.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\winsvc.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\commdlg.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\oleauto.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\propidl.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\oaidl.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\msxml.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\servprov.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\oleidl.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\urlmon.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\cguid.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\objidl.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\unknwn.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\search.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\stdlib.h" 10521 10272
?debug D "C:\in_vitro\apps\borland\bcc55\include\objbase.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\ole2.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\prsht.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\winspool.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\winsmcrd.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\winioctl.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\rpcnsip.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\rpcndr.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\wtypes.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\winscard.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\winefs.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\wincrypt.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\qos.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\winsock2.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\winperf.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\shellapi.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\rpcasync.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\rpcnterr.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\rpcnsi.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\rpcdcep.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\rpcdce.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\rpc.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\nb30.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\mmsystem.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\lzexpand.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\dlgs.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\ddeml.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\dde.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\cderr.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\winnetwk.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\winreg.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\winver.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\wincon.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\winnls.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\tvout.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\winuser.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\pshpack1.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\wingdi.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\winerror.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\winbase.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\pshpack8.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\pshpack2.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\poppack.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\pshpack4.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\mem.h" 10521 10272
?debug D "C:\in_vitro\apps\borland\bcc55\include\_loc.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\locale.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\_str.h" 10521 10272
?debug D "C:\in_vitro\apps\borland\bcc55\include\string.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\guiddef.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\basetsd.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\mbctype.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\ctype.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\winnt.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\windef.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\stdarg.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\excpt.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\windows.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\_nfile.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\_null.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\_defs.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\_stddef.h" 10339 10240
?debug D "C:\in_vitro\apps\borland\bcc55\include\stdio.h" 10339 10240
?debug D "winapis.c" 15473 36482
end
MinGW/MSYS
OpenWatcom Compiler(16bit)
OpenWatcom Compiler(32bit)
プレーンテキスト形式でダウンロード
表示中のバージョン : 1
現在のバージョン : 3
更新者: msakamoto-sf
更新日: 2010-03-19 20:32:19
md5:a639fbdc235b7f64ba769b2ac563810e
sha1:2d0b62d932ed85397c756359c1e166ca32271583
現在のバージョン : 3
更新者: msakamoto-sf
更新日: 2010-03-19 20:32:19
md5:a639fbdc235b7f64ba769b2ac563810e
sha1:2d0b62d932ed85397c756359c1e166ca32271583
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