| Index: minilibc/common.inc |
| — | — | @@ -16,4 +16,6 @@ |
| 17 | 17 | ; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
| 18 | 18 |
|
| 19 | 19 | EXTERN C itoachars:ptr byte
|
| 20 | | -EXTERN C memset_ptr:ptr dword |
| \ No newline at end of file |
| | 20 | +EXTERN C memset_ptr:ptr dword
|
| | 21 | +EXTERN C strlen:proc
|
| | 22 | +EXTERN C memcpy:proc |
| \ No newline at end of file |
| Index: minilibc/minilibc.vcxproj |
| — | — | @@ -102,6 +102,12 @@ |
| 103 | 103 | <CustomBuild Include="strlen_x86.asm">
|
| 104 | 104 | <FileType>Document</FileType>
|
| 105 | 105 | </CustomBuild>
|
| | 106 | + <CustomBuild Include="strcpy_x86.asm">
|
| | 107 | + <FileType>Document</FileType>
|
| | 108 | + </CustomBuild>
|
| | 109 | + <CustomBuild Include="strncpy_x86.asm">
|
| | 110 | + <FileType>Document</FileType>
|
| | 111 | + </CustomBuild>
|
| 106 | 112 | </ItemGroup>
|
| 107 | 113 | <ItemGroup>
|
| 108 | 114 | <ClCompile Include="common.c">
|
| Index: minilibc/minilibc.vcxproj.filters |
| — | — | @@ -36,6 +36,12 @@ |
| 37 | 37 | <CustomBuild Include="strlen_x86.asm">
|
| 38 | 38 | <Filter>Source Files</Filter>
|
| 39 | 39 | </CustomBuild>
|
| | 40 | + <CustomBuild Include="strcpy_x86.asm">
|
| | 41 | + <Filter>Source Files</Filter>
|
| | 42 | + </CustomBuild>
|
| | 43 | + <CustomBuild Include="strncpy_x86.asm">
|
| | 44 | + <Filter>Source Files</Filter>
|
| | 45 | + </CustomBuild>
|
| 40 | 46 | </ItemGroup>
|
| 41 | 47 | <ItemGroup>
|
| 42 | 48 | <ClCompile Include="exit.c">
|
| Index: minilibc/strcpy_x86.asm |
| — | — | @@ -0,0 +1,35 @@ |
| | 2 | +; DXGL
|
| | 3 | +; Copyright (C) 2012 William Feely
|
| | 4 | +
|
| | 5 | +; This library is free software; you can redistribute it and/or
|
| | 6 | +; modify it under the terms of the GNU Lesser General Public
|
| | 7 | +; License as published by the Free Software Foundation; either
|
| | 8 | +; version 2.1 of the License, or (at your option) any later version.
|
| | 9 | +
|
| | 10 | +; This library is distributed in the hope that it will be useful,
|
| | 11 | +; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| | 12 | +; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
| | 13 | +; Lesser General Public License for more details.
|
| | 14 | +
|
| | 15 | +; You should have received a copy of the GNU Lesser General Public
|
| | 16 | +; License along with this library; if not, write to the Free Software
|
| | 17 | +; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
| | 18 | +
|
| | 19 | +.model flat, c
|
| | 20 | +.code
|
| | 21 | +INCLUDE common.inc
|
| | 22 | +
|
| | 23 | +strcpy PROC dest:ptr byte, src:ptr byte
|
| | 24 | + push src
|
| | 25 | + call strlen
|
| | 26 | + add esp, 4
|
| | 27 | + push eax
|
| | 28 | + push src
|
| | 29 | + push dest
|
| | 30 | + call memcpy
|
| | 31 | + add esp, 12
|
| | 32 | + mov eax, dest
|
| | 33 | + ret
|
| | 34 | +strcpy ENDP
|
| | 35 | +
|
| | 36 | +end |
| \ No newline at end of file |
| Index: minilibc/strlen_x86.asm |
| — | — | @@ -0,0 +1,67 @@ |
| | 2 | +; DXGL
|
| | 3 | +; Copyright (C) 2012 William Feely
|
| | 4 | +
|
| | 5 | +; This library is free software; you can redistribute it and/or
|
| | 6 | +; modify it under the terms of the GNU Lesser General Public
|
| | 7 | +; License as published by the Free Software Foundation; either
|
| | 8 | +; version 2.1 of the License, or (at your option) any later version.
|
| | 9 | +
|
| | 10 | +; This library is distributed in the hope that it will be useful,
|
| | 11 | +; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| | 12 | +; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
| | 13 | +; Lesser General Public License for more details.
|
| | 14 | +
|
| | 15 | +; You should have received a copy of the GNU Lesser General Public
|
| | 16 | +; License along with this library; if not, write to the Free Software
|
| | 17 | +; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
| | 18 | +
|
| | 19 | +.model flat, c
|
| | 20 | +.code
|
| | 21 | +INCLUDE common.inc
|
| | 22 | +
|
| | 23 | +strlen PROC string:ptr byte
|
| | 24 | + push ecx
|
| | 25 | + push ebx
|
| | 26 | + push esi
|
| | 27 | + mov eax, string
|
| | 28 | + and eax, 3
|
| | 29 | + jnz aligned_loop
|
| | 30 | +unaligned_loop:
|
| | 31 | + mov ecx, 0
|
| | 32 | + mov esi, string
|
| | 33 | + test byte ptr [esi],0
|
| | 34 | + jz return
|
| | 35 | + dec eax
|
| | 36 | + inc esi
|
| | 37 | + inc ecx
|
| | 38 | + jz aligned_loop
|
| | 39 | + jmp unaligned_loop
|
| | 40 | +aligned_loop:
|
| | 41 | + mov eax, dword ptr [esi]
|
| | 42 | + mov ebx, eax
|
| | 43 | + and ebx, 0FFh
|
| | 44 | + jz return
|
| | 45 | + inc ecx
|
| | 46 | + mov ebx, eax
|
| | 47 | + and ebx, 0FF00h
|
| | 48 | + jz return
|
| | 49 | + inc ecx
|
| | 50 | + mov ebx, eax
|
| | 51 | + and ebx, 0FF0000h
|
| | 52 | + jz return
|
| | 53 | + inc ecx
|
| | 54 | + mov ebx, eax
|
| | 55 | + and ebx, 0FF000000h
|
| | 56 | + jz return
|
| | 57 | + inc ecx
|
| | 58 | + add esi, 4
|
| | 59 | + jmp aligned_loop
|
| | 60 | +return:
|
| | 61 | + mov eax, ecx
|
| | 62 | + pop esi
|
| | 63 | + pop ebx
|
| | 64 | + pop ecx
|
| | 65 | + ret
|
| | 66 | +strlen ENDP
|
| | 67 | +
|
| | 68 | +end |
| \ No newline at end of file |
| Index: minilibc/strncpy_x86.asm |
| — | — | @@ -0,0 +1,41 @@ |
| | 2 | +; DXGL
|
| | 3 | +; Copyright (C) 2012 William Feely
|
| | 4 | +
|
| | 5 | +; This library is free software; you can redistribute it and/or
|
| | 6 | +; modify it under the terms of the GNU Lesser General Public
|
| | 7 | +; License as published by the Free Software Foundation; either
|
| | 8 | +; version 2.1 of the License, or (at your option) any later version.
|
| | 9 | +
|
| | 10 | +; This library is distributed in the hope that it will be useful,
|
| | 11 | +; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| | 12 | +; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
| | 13 | +; Lesser General Public License for more details.
|
| | 14 | +
|
| | 15 | +; You should have received a copy of the GNU Lesser General Public
|
| | 16 | +; License along with this library; if not, write to the Free Software
|
| | 17 | +; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
| | 18 | +
|
| | 19 | +.model flat, c
|
| | 20 | +.code
|
| | 21 | +INCLUDE common.inc
|
| | 22 | +
|
| | 23 | +strncpy PROC dest:ptr byte, src:ptr byte, count:dword
|
| | 24 | + push src
|
| | 25 | + call strlen
|
| | 26 | + add esp, 4
|
| | 27 | + cmp eax, count
|
| | 28 | + jl shortstring
|
| | 29 | + push count
|
| | 30 | + jmp longstring
|
| | 31 | +shortstring:
|
| | 32 | + push eax
|
| | 33 | +longstring:
|
| | 34 | + push src
|
| | 35 | + push dest
|
| | 36 | + call memcpy
|
| | 37 | + add esp, 12
|
| | 38 | + mov eax, dest
|
| | 39 | + ret
|
| | 40 | +strncpy ENDP
|
| | 41 | +
|
| | 42 | +end |
| \ No newline at end of file |