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libavutil/x86_cpu.h

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00001 /*
00002  * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
00003  *
00004  * This file is part of FFmpeg.
00005  *
00006  * FFmpeg is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Lesser General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2.1 of the License, or (at your option) any later version.
00010  *
00011  * FFmpeg is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public
00017  * License along with FFmpeg; if not, write to the Free Software
00018  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00019  */
00020 
00021 #ifndef AVUTIL_X86_CPU_H
00022 #define AVUTIL_X86_CPU_H
00023 
00024 #include <stdint.h>
00025 #include "config.h"
00026 
00027 #if ARCH_X86_64
00028 #    define REG_a "rax"
00029 #    define REG_b "rbx"
00030 #    define REG_c "rcx"
00031 #    define REG_d "rdx"
00032 #    define REG_D "rdi"
00033 #    define REG_S "rsi"
00034 #    define PTR_SIZE "8"
00035 typedef int64_t x86_reg;
00036 
00037 #    define REG_SP "rsp"
00038 #    define REG_BP "rbp"
00039 #    define REGBP   rbp
00040 #    define REGa    rax
00041 #    define REGb    rbx
00042 #    define REGc    rcx
00043 #    define REGd    rdx
00044 #    define REGSP   rsp
00045 
00046 #elif ARCH_X86_32
00047 
00048 #    define REG_a "eax"
00049 #    define REG_b "ebx"
00050 #    define REG_c "ecx"
00051 #    define REG_d "edx"
00052 #    define REG_D "edi"
00053 #    define REG_S "esi"
00054 #    define PTR_SIZE "4"
00055 typedef int32_t x86_reg;
00056 
00057 #    define REG_SP "esp"
00058 #    define REG_BP "ebp"
00059 #    define REGBP   ebp
00060 #    define REGa    eax
00061 #    define REGb    ebx
00062 #    define REGc    ecx
00063 #    define REGd    edx
00064 #    define REGSP   esp
00065 #else
00066 typedef int x86_reg;
00067 #endif
00068 
00069 #define HAVE_7REGS (ARCH_X86_64 || (HAVE_EBX_AVAILABLE && HAVE_EBP_AVAILABLE))
00070 #define HAVE_6REGS (ARCH_X86_64 || (HAVE_EBX_AVAILABLE || HAVE_EBP_AVAILABLE))
00071 
00072 #if ARCH_X86_64 && defined(PIC)
00073 #    define BROKEN_RELOCATIONS 1
00074 #endif
00075 
00076 #endif /* AVUTIL_X86_CPU_H */

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