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FFmpeg/libavutil/x86_cpu.h

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  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 AVUTIL_X86_CPU_H

  22. #define AVUTIL_X86_CPU_H

  23. 

  24. #include <stdint.h>

  25. #include "config.h"

  26. 

  27. #ifdef 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. #endif

  66. 

  67. #if defined(ARCH_X86_64) || (defined(ARCH_X86_32) && defined(HAVE_EBX_AVAILABLE) && defined(HAVE_EBP_AVAILABLE))

  68. #    define HAVE_7REGS 1

  69. #endif

  70. 

  71. #if defined(ARCH_X86_64) || (defined(ARCH_X86_32) && (defined(HAVE_EBX_AVAILABLE) || defined(HAVE_EBP_AVAILABLE)))

  72. #    define HAVE_6REGS 1

  73. #endif

  74. 

  75. #if defined(ARCH_X86_64) && defined(PIC)

  76. #    define BROKEN_RELOCATIONS 1

  77. #endif

  78. 

  79. #endif /* AVUTIL_X86_CPU_H */