sysdeps/powerpc/sysdep.h

   1 /* Copyright (C) 1999-2023 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 /*
  19  * Powerpc Feature masks for the Aux Vector Hardware Capabilities (AT_HWCAP).
  20  * This entry is copied to _dl_hwcap or rtld_global._dl_hwcap during startup.
  21  */
  22 #define _SYSDEPS_SYSDEP_H 1
  23 #include <bits/hwcap.h>
  24
  25 #define PPC_FEATURE_970 (PPC_FEATURE_POWER4 + PPC_FEATURE_HAS_ALTIVEC)
  26
  27 #ifdef __ASSEMBLER__
  28
  29 /* Symbolic names for the registers.  The only portable way to write asm
  30    code is to use number but this produces really unreadable code.
  31    Therefore these symbolic names.  */
  32
  33 /* Integer registers.  */
  34 #define r0      0
  35 #define r1      1
  36 #define r2      2
  37 #define r3      3
  38 #define r4      4
  39 #define r5      5
  40 #define r6      6
  41 #define r7      7
  42 #define r8      8
  43 #define r9      9
  44 #define r10     10
  45 #define r11     11
  46 #define r12     12
  47 #define r13     13
  48 #define r14     14
  49 #define r15     15
  50 #define r16     16
  51 #define r17     17
  52 #define r18     18
  53 #define r19     19
  54 #define r20     20
  55 #define r21     21
  56 #define r22     22
  57 #define r23     23
  58 #define r24     24
  59 #define r25     25
  60 #define r26     26
  61 #define r27     27
  62 #define r28     28
  63 #define r29     29
  64 #define r30     30
  65 #define r31     31
  66
  67 /* Floating-point registers.  */
  68 #define fp0     0
  69 #define fp1     1
  70 #define fp2     2
  71 #define fp3     3
  72 #define fp4     4
  73 #define fp5     5
  74 #define fp6     6
  75 #define fp7     7
  76 #define fp8     8
  77 #define fp9     9
  78 #define fp10    10
  79 #define fp11    11
  80 #define fp12    12
  81 #define fp13    13
  82 #define fp14    14
  83 #define fp15    15
  84 #define fp16    16
  85 #define fp17    17
  86 #define fp18    18
  87 #define fp19    19
  88 #define fp20    20
  89 #define fp21    21
  90 #define fp22    22
  91 #define fp23    23
  92 #define fp24    24
  93 #define fp25    25
  94 #define fp26    26
  95 #define fp27    27
  96 #define fp28    28
  97 #define fp29    29
  98 #define fp30    30
  99 #define fp31    31
 100
 101 /* Condition code registers.  */
 102 #define cr0     0
 103 #define cr1     1
 104 #define cr2     2
 105 #define cr3     3
 106 #define cr4     4
 107 #define cr5     5
 108 #define cr6     6
 109 #define cr7     7
 110
 111 /* Vector registers. */
 112 #define v0      0
 113 #define v1      1
 114 #define v2      2
 115 #define v3      3
 116 #define v4      4
 117 #define v5      5
 118 #define v6      6
 119 #define v7      7
 120 #define v8      8
 121 #define v9      9
 122 #define v10     10
 123 #define v11     11
 124 #define v12     12
 125 #define v13     13
 126 #define v14     14
 127 #define v15     15
 128 #define v16     16
 129 #define v17     17
 130 #define v18     18
 131 #define v19     19
 132 #define v20     20
 133 #define v21     21
 134 #define v22     22
 135 #define v23     23
 136 #define v24     24
 137 #define v25     25
 138 #define v26     26
 139 #define v27     27
 140 #define v28     28
 141 #define v29     29
 142 #define v30     30
 143 #define v31     31
 144
 145 #define VRSAVE  256
 146
 147 /* The 32-bit words of a 64-bit dword are at these offsets in memory.  */
 148 #if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
 149 # define LOWORD 0
 150 # define HIWORD 4
 151 #else
 152 # define LOWORD 4
 153 # define HIWORD 0
 154 #endif
 155
 156 /* The high 16-bit word of a 64-bit dword is at this offset in memory.  */
 157 #if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
 158 # define HISHORT 6
 159 #else
 160 # define HISHORT 0
 161 #endif
 162
 163 /* This seems to always be the case on PPC.  */
 164 #define ALIGNARG(log2) log2
 165 #define ASM_SIZE_DIRECTIVE(name) .size name,.-name
 166
 167 #endif  /* __ASSEMBLER__ */