ffmpeg_files/x86_cpu.h

   1 /*
   2  * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
   3  *
   4  * This file is part of FFmpeg.
   5  *
   6  * FFmpeg is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * FFmpeg is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with FFmpeg; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #ifndef MP_AVUTIL_X86_CPU_H
  22 #define MP_AVUTIL_X86_CPU_H
  23
  24 #include <stdint.h>
  25 #include "config.h"
  26
  27 #if ARCH_X86_64
  28 #    define REG_a "rax"
  29 #    define REG_b "rbx"
  30 #    define REG_c "rcx"
  31 #    define REG_d "rdx"
  32 #    define REG_D "rdi"
  33 #    define REG_S "rsi"
  34 #    define PTR_SIZE "8"
  35 typedef int64_t x86_reg;
  36
  37 #    define REG_SP "rsp"
  38 #    define REG_BP "rbp"
  39 #    define REGBP   rbp
  40 #    define REGa    rax
  41 #    define REGb    rbx
  42 #    define REGc    rcx
  43 #    define REGd    rdx
  44 #    define REGSP   rsp
  45
  46 #elif ARCH_X86_32
  47
  48 #    define REG_a "eax"
  49 #    define REG_b "ebx"
  50 #    define REG_c "ecx"
  51 #    define REG_d "edx"
  52 #    define REG_D "edi"
  53 #    define REG_S "esi"
  54 #    define PTR_SIZE "4"
  55 typedef int32_t x86_reg;
  56
  57 #    define REG_SP "esp"
  58 #    define REG_BP "ebp"
  59 #    define REGBP   ebp
  60 #    define REGa    eax
  61 #    define REGb    ebx
  62 #    define REGc    ecx
  63 #    define REGd    edx
  64 #    define REGSP   esp
  65 #else
  66 typedef int x86_reg;
  67 #endif
  68
  69 #define HAVE_7REGS (ARCH_X86_64 || (HAVE_EBX_AVAILABLE && HAVE_EBP_AVAILABLE))
  70 #define HAVE_6REGS (ARCH_X86_64 || (HAVE_EBX_AVAILABLE || HAVE_EBP_AVAILABLE))
  71
  72 #if ARCH_X86_64 && defined(PIC)
  73 #    define BROKEN_RELOCATIONS 1
  74 #endif
  75
  76 #endif /* AVUTIL_X86_CPU_H */