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Diffstat (limited to 'distrib/sdl-1.2.12/src/stdlib/SDL_stdlib.c')
-rw-r--r--distrib/sdl-1.2.12/src/stdlib/SDL_stdlib.c620
1 files changed, 0 insertions, 620 deletions
diff --git a/distrib/sdl-1.2.12/src/stdlib/SDL_stdlib.c b/distrib/sdl-1.2.12/src/stdlib/SDL_stdlib.c
deleted file mode 100644
index b9c3bac..0000000
--- a/distrib/sdl-1.2.12/src/stdlib/SDL_stdlib.c
+++ /dev/null
@@ -1,620 +0,0 @@
-/*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997-2006 Sam Lantinga
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
- Sam Lantinga
- slouken@libsdl.org
-*/
-#include "SDL_config.h"
-
-/* This file contains portable stdlib functions for SDL */
-
-#include "SDL_stdinc.h"
-
-#ifndef HAVE_LIBC
-/* These are some C runtime intrinsics that need to be defined */
-
-#if defined(_MSC_VER)
-
-#ifndef __FLTUSED__
-#define __FLTUSED__
-#ifdef __cplusplus
- extern "C"
-#endif
- __declspec(selectany) int _fltused=1;
-#endif
-
-/* Float to long */
-void __declspec(naked) _ftol()
-{
- __asm {
- push ebp
- mov ebp,esp
- sub esp,20h
- and esp,0FFFFFFF0h
- fld st(0)
- fst dword ptr [esp+18h]
- fistp qword ptr [esp+10h]
- fild qword ptr [esp+10h]
- mov edx,dword ptr [esp+18h]
- mov eax,dword ptr [esp+10h]
- test eax,eax
- je integer_QnaN_or_zero
-arg_is_not_integer_QnaN:
- fsubp st(1),st
- test edx,edx
- jns positive
- fstp dword ptr [esp]
- mov ecx,dword ptr [esp]
- xor ecx,80000000h
- add ecx,7FFFFFFFh
- adc eax,0
- mov edx,dword ptr [esp+14h]
- adc edx,0
- jmp localexit
-positive:
- fstp dword ptr [esp]
- mov ecx,dword ptr [esp]
- add ecx,7FFFFFFFh
- sbb eax,0
- mov edx,dword ptr [esp+14h]
- sbb edx,0
- jmp localexit
-integer_QnaN_or_zero:
- mov edx,dword ptr [esp+14h]
- test edx,7FFFFFFFh
- jne arg_is_not_integer_QnaN
- fstp dword ptr [esp+18h]
- fstp dword ptr [esp+18h]
-localexit:
- leave
- ret
- }
-}
-void __declspec(naked) _ftol2_sse()
-{
- _ftol();
-}
-
-/* 64-bit math operators for 32-bit systems */
-void __declspec(naked) _allmul()
-{
- __asm {
- push ebp
- mov ebp,esp
- push edi
- push esi
- push ebx
- sub esp,0Ch
- mov eax,dword ptr [ebp+10h]
- mov edi,dword ptr [ebp+8]
- mov ebx,eax
- mov esi,eax
- sar esi,1Fh
- mov eax,dword ptr [ebp+8]
- mul ebx
- imul edi,esi
- mov ecx,edx
- mov dword ptr [ebp-18h],eax
- mov edx,dword ptr [ebp+0Ch]
- add ecx,edi
- imul ebx,edx
- mov eax,dword ptr [ebp-18h]
- lea ebx,[ebx+ecx]
- mov dword ptr [ebp-14h],ebx
- mov edx,dword ptr [ebp-14h]
- add esp,0Ch
- pop ebx
- pop esi
- pop edi
- pop ebp
- ret
- }
-}
-void __declspec(naked) _alldiv()
-{
- __asm {
- push edi
- push esi
- push ebx
- xor edi,edi
- mov eax,dword ptr [esp+14h]
- or eax,eax
- jge L1
- inc edi
- mov edx,dword ptr [esp+10h]
- neg eax
- neg edx
- sbb eax,0
- mov dword ptr [esp+14h],eax
- mov dword ptr [esp+10h],edx
-L1:
- mov eax,dword ptr [esp+1Ch]
- or eax,eax
- jge L2
- inc edi
- mov edx,dword ptr [esp+18h]
- neg eax
- neg edx
- sbb eax,0
- mov dword ptr [esp+1Ch],eax
- mov dword ptr [esp+18h],edx
-L2:
- or eax,eax
- jne L3
- mov ecx,dword ptr [esp+18h]
- mov eax,dword ptr [esp+14h]
- xor edx,edx
- div ecx
- mov ebx,eax
- mov eax,dword ptr [esp+10h]
- div ecx
- mov edx,ebx
- jmp L4
-L3:
- mov ebx,eax
- mov ecx,dword ptr [esp+18h]
- mov edx,dword ptr [esp+14h]
- mov eax,dword ptr [esp+10h]
-L5:
- shr ebx,1
- rcr ecx,1
- shr edx,1
- rcr eax,1
- or ebx,ebx
- jne L5
- div ecx
- mov esi,eax
- mul dword ptr [esp+1Ch]
- mov ecx,eax
- mov eax,dword ptr [esp+18h]
- mul esi
- add edx,ecx
- jb L6
- cmp edx,dword ptr [esp+14h]
- ja L6
- jb L7
- cmp eax,dword ptr [esp+10h]
- jbe L7
-L6:
- dec esi
-L7:
- xor edx,edx
- mov eax,esi
-L4:
- dec edi
- jne L8
- neg edx
- neg eax
- sbb edx,0
-L8:
- pop ebx
- pop esi
- pop edi
- ret 10h
- }
-}
-void __declspec(naked) _aulldiv()
-{
- __asm {
- push ebx
- push esi
- mov eax,dword ptr [esp+18h]
- or eax,eax
- jne L1
- mov ecx,dword ptr [esp+14h]
- mov eax,dword ptr [esp+10h]
- xor edx,edx
- div ecx
- mov ebx,eax
- mov eax,dword ptr [esp+0Ch]
- div ecx
- mov edx,ebx
- jmp L2
-L1:
- mov ecx,eax
- mov ebx,dword ptr [esp+14h]
- mov edx,dword ptr [esp+10h]
- mov eax,dword ptr [esp+0Ch]
-L3:
- shr ecx,1
- rcr ebx,1
- shr edx,1
- rcr eax,1
- or ecx,ecx
- jne L3
- div ebx
- mov esi,eax
- mul dword ptr [esp+18h]
- mov ecx,eax
- mov eax,dword ptr [esp+14h]
- mul esi
- add edx,ecx
- jb L4
- cmp edx,dword ptr [esp+10h]
- ja L4
- jb L5
- cmp eax,dword ptr [esp+0Ch]
- jbe L5
-L4:
- dec esi
-L5:
- xor edx,edx
- mov eax,esi
-L2:
- pop esi
- pop ebx
- ret 10h
- }
-}
-void __declspec(naked) _allrem()
-{
- __asm {
- push ebx
- push edi
- xor edi,edi
- mov eax,dword ptr [esp+10h]
- or eax,eax
- jge L1
- inc edi
- mov edx,dword ptr [esp+0Ch]
- neg eax
- neg edx
- sbb eax,0
- mov dword ptr [esp+10h],eax
- mov dword ptr [esp+0Ch],edx
-L1:
- mov eax,dword ptr [esp+18h]
- or eax,eax
- jge L2
- mov edx,dword ptr [esp+14h]
- neg eax
- neg edx
- sbb eax,0
- mov dword ptr [esp+18h],eax
- mov dword ptr [esp+14h],edx
-L2:
- or eax,eax
- jne L3
- mov ecx,dword ptr [esp+14h]
- mov eax,dword ptr [esp+10h]
- xor edx,edx
- div ecx
- mov eax,dword ptr [esp+0Ch]
- div ecx
- mov eax,edx
- xor edx,edx
- dec edi
- jns L4
- jmp L8
-L3:
- mov ebx,eax
- mov ecx,dword ptr [esp+14h]
- mov edx,dword ptr [esp+10h]
- mov eax,dword ptr [esp+0Ch]
-L5:
- shr ebx,1
- rcr ecx,1
- shr edx,1
- rcr eax,1
- or ebx,ebx
- jne L5
- div ecx
- mov ecx,eax
- mul dword ptr [esp+18h]
- xchg eax,ecx
- mul dword ptr [esp+14h]
- add edx,ecx
- jb L6
- cmp edx,dword ptr [esp+10h]
- ja L6
- jb L7
- cmp eax,dword ptr [esp+0Ch]
- jbe L7
-L6:
- sub eax,dword ptr [esp+14h]
- sbb edx,dword ptr [esp+18h]
-L7:
- sub eax,dword ptr [esp+0Ch]
- sbb edx,dword ptr [esp+10h]
- dec edi
- jns L8
-L4:
- neg edx
- neg eax
- sbb edx,0
-L8:
- pop edi
- pop ebx
- ret 10h
- }
-}
-void __declspec(naked) _aullrem()
-{
- __asm {
- push ebx
- mov eax,dword ptr [esp+14h]
- or eax,eax
- jne L1
- mov ecx,dword ptr [esp+10h]
- mov eax,dword ptr [esp+0Ch]
- xor edx,edx
- div ecx
- mov eax,dword ptr [esp+8]
- div ecx
- mov eax,edx
- xor edx,edx
- jmp L2
-L1:
- mov ecx,eax
- mov ebx,dword ptr [esp+10h]
- mov edx,dword ptr [esp+0Ch]
- mov eax,dword ptr [esp+8]
-L3:
- shr ecx,1
- rcr ebx,1
- shr edx,1
- rcr eax,1
- or ecx,ecx
- jne L3
- div ebx
- mov ecx,eax
- mul dword ptr [esp+14h]
- xchg eax,ecx
- mul dword ptr [esp+10h]
- add edx,ecx
- jb L4
- cmp edx,dword ptr [esp+0Ch]
- ja L4
- jb L5
- cmp eax,dword ptr [esp+8]
- jbe L5
-L4:
- sub eax,dword ptr [esp+10h]
- sbb edx,dword ptr [esp+14h]
-L5:
- sub eax,dword ptr [esp+8]
- sbb edx,dword ptr [esp+0Ch]
- neg edx
- neg eax
- sbb edx,0
-L2:
- pop ebx
- ret 10h
- }
-}
-void __declspec(naked) _alldvrm()
-{
- __asm {
- push edi
- push esi
- push ebp
- xor edi,edi
- xor ebp,ebp
- mov eax,dword ptr [esp+14h]
- or eax,eax
- jge L1
- inc edi
- inc ebp
- mov edx,dword ptr [esp+10h]
- neg eax
- neg edx
- sbb eax,0
- mov dword ptr [esp+14h],eax
- mov dword ptr [esp+10h],edx
-L1:
- mov eax,dword ptr [esp+1Ch]
- or eax,eax
- jge L2
- inc edi
- mov edx,dword ptr [esp+18h]
- neg eax
- neg edx
- sbb eax,0
- mov dword ptr [esp+1Ch],eax
- mov dword ptr [esp+18h],edx
-L2:
- or eax,eax
- jne L3
- mov ecx,dword ptr [esp+18h]
- mov eax,dword ptr [esp+14h]
- xor edx,edx
- div ecx
- mov ebx,eax
- mov eax,dword ptr [esp+10h]
- div ecx
- mov esi,eax
- mov eax,ebx
- mul dword ptr [esp+18h]
- mov ecx,eax
- mov eax,esi
- mul dword ptr [esp+18h]
- add edx,ecx
- jmp L4
-L3:
- mov ebx,eax
- mov ecx,dword ptr [esp+18h]
- mov edx,dword ptr [esp+14h]
- mov eax,dword ptr [esp+10h]
-L5:
- shr ebx,1
- rcr ecx,1
- shr edx,1
- rcr eax,1
- or ebx,ebx
- jne L5
- div ecx
- mov esi,eax
- mul dword ptr [esp+1Ch]
- mov ecx,eax
- mov eax,dword ptr [esp+18h]
- mul esi
- add edx,ecx
- jb L6
- cmp edx,dword ptr [esp+14h]
- ja L6
- jb L7
- cmp eax,dword ptr [esp+10h]
- jbe L7
-L6:
- dec esi
- sub eax,dword ptr [esp+18h]
- sbb edx,dword ptr [esp+1Ch]
-L7:
- xor ebx,ebx
-L4:
- sub eax,dword ptr [esp+10h]
- sbb edx,dword ptr [esp+14h]
- dec ebp
- jns L9
- neg edx
- neg eax
- sbb edx,0
-L9:
- mov ecx,edx
- mov edx,ebx
- mov ebx,ecx
- mov ecx,eax
- mov eax,esi
- dec edi
- jne L8
- neg edx
- neg eax
- sbb edx,0
-L8:
- pop ebp
- pop esi
- pop edi
- ret 10h
- }
-}
-void __declspec(naked) _aulldvrm()
-{
- __asm {
- push esi
- mov eax,dword ptr [esp+14h]
- or eax,eax
- jne L1
- mov ecx,dword ptr [esp+10h]
- mov eax,dword ptr [esp+0Ch]
- xor edx,edx
- div ecx
- mov ebx,eax
- mov eax,dword ptr [esp+8]
- div ecx
- mov esi,eax
- mov eax,ebx
- mul dword ptr [esp+10h]
- mov ecx,eax
- mov eax,esi
- mul dword ptr [esp+10h]
- add edx,ecx
- jmp L2
-L1:
- mov ecx,eax
- mov ebx,dword ptr [esp+10h]
- mov edx,dword ptr [esp+0Ch]
- mov eax,dword ptr [esp+8]
-L3:
- shr ecx,1
- rcr ebx,1
- shr edx,1
- rcr eax,1
- or ecx,ecx
- jne L3
- div ebx
- mov esi,eax
- mul dword ptr [esp+14h]
- mov ecx,eax
- mov eax,dword ptr [esp+10h]
- mul esi
- add edx,ecx
- jb L4
- cmp edx,dword ptr [esp+0Ch]
- ja L4
- jb L5
- cmp eax,dword ptr [esp+8]
- jbe L5
-L4:
- dec esi
- sub eax,dword ptr [esp+10h]
- sbb edx,dword ptr [esp+14h]
-L5:
- xor ebx,ebx
-L2:
- sub eax,dword ptr [esp+8]
- sbb edx,dword ptr [esp+0Ch]
- neg edx
- neg eax
- sbb edx,0
- mov ecx,edx
- mov edx,ebx
- mov ebx,ecx
- mov ecx,eax
- mov eax,esi
- pop esi
- ret 10h
- }
-}
-void __declspec(naked) _allshl()
-{
- __asm {
- cmp cl,40h
- jae RETZERO
- cmp cl,20h
- jae MORE32
- shld edx,eax,cl
- shl eax,cl
- ret
-MORE32:
- mov edx,eax
- xor eax,eax
- and cl,1Fh
- shl edx,cl
- ret
-RETZERO:
- xor eax,eax
- xor edx,edx
- ret
- }
-}
-void __declspec(naked) _aullshr()
-{
- __asm {
- cmp cl,40h
- jae RETZERO
- cmp cl,20h
- jae MORE32
- shrd eax,edx,cl
- shr edx,cl
- ret
-MORE32:
- mov eax,edx
- xor edx,edx
- and cl,1Fh
- shr eax,cl
- ret
-RETZERO:
- xor eax,eax
- xor edx,edx
- ret
- }
-}
-
-#endif /* MSC_VER */
-
-#endif /* !HAVE_LIBC */
generated by cgit v1.1 at 2024-04-28 21:39:27 +0000