dyngen-exec.h

   1 /*
   2  *  dyngen defines for micro operation code
   3  *
   4  *  Copyright (c) 2003 Fabrice Bellard
   5  *
   6  * This library 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 of the License, or (at your option) any later version.
  10  *
  11  * This library 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 this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20 typedef unsigned char uint8_t;
  21 typedef unsigned short uint16_t;
  22 typedef unsigned int uint32_t;
  23 typedef unsigned long long uint64_t;
  24
  25 typedef signed char int8_t;
  26 typedef signed short int16_t;
  27 typedef signed int int32_t;
  28 typedef signed long long int64_t;
  29
  30 #define bswap32(x) \
  31 ({ \
  32         uint32_t __x = (x); \
  33         ((uint32_t)( \
  34                 (((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
  35                 (((uint32_t)(__x) & (uint32_t)0x0000ff00UL) <<  8) | \
  36                 (((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >>  8) | \
  37                 (((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )); \
  38 })
  39
  40 typedef struct FILE FILE;
  41 extern int fprintf(FILE *, const char *, ...);
  42 extern int printf(const char *, ...);
  43 #define NULL 0
  44 #include <fenv.h>
  45
  46 #ifdef __i386__
  47 #define AREG0 "ebp"
  48 #define AREG1 "ebx"
  49 #define AREG2 "esi"
  50 #define AREG3 "edi"
  51 #endif
  52 #ifdef __powerpc__
  53 #define AREG0 "r27"
  54 #define AREG1 "r24"
  55 #define AREG2 "r25"
  56 #define AREG3 "r26"
  57 /* XXX: suppress this hack */
  58 #if defined(CONFIG_USER_ONLY)
  59 #define AREG4 "r16"
  60 #define AREG5 "r17"
  61 #define AREG6 "r18"
  62 #define AREG7 "r19"
  63 #define AREG8 "r20"
  64 #define AREG9 "r21"
  65 #define AREG10 "r22"
  66 #define AREG11 "r23"
  67 #endif
  68 #define USE_INT_TO_FLOAT_HELPERS
  69 #define BUGGY_GCC_DIV64
  70 #endif
  71 #ifdef __arm__
  72 #define AREG0 "r7"
  73 #define AREG1 "r4"
  74 #define AREG2 "r5"
  75 #define AREG3 "r6"
  76 #endif
  77 #ifdef __mips__
  78 #define AREG0 "s3"
  79 #define AREG1 "s0"
  80 #define AREG2 "s1"
  81 #define AREG3 "s2"
  82 #endif
  83 #ifdef __sparc__
  84 #define AREG0 "g6"
  85 #define AREG1 "g1"
  86 #define AREG2 "g2"
  87 #define AREG3 "g3"
  88 #define AREG4 "l0"
  89 #define AREG5 "l1"
  90 #define AREG6 "l2"
  91 #define AREG7 "l3"
  92 #define AREG8 "l4"
  93 #define AREG9 "l5"
  94 #define AREG10 "l6"
  95 #define AREG11 "l7"
  96 #define USE_FP_CONVERT
  97 #endif
  98 #ifdef __s390__
  99 #define AREG0 "r10"
 100 #define AREG1 "r7"
 101 #define AREG2 "r8"
 102 #define AREG3 "r9"
 103 #endif
 104 #ifdef __alpha__
 105 /* Note $15 is the frame pointer, so anything in op-i386.c that would
 106    require a frame pointer, like alloca, would probably loose.  */
 107 #define AREG0 "$15"
 108 #define AREG1 "$9"
 109 #define AREG2 "$10"
 110 #define AREG3 "$11"
 111 #define AREG4 "$12"
 112 #define AREG5 "$13"
 113 #define AREG6 "$14"
 114 #endif
 115 #ifdef __mc68000
 116 #define AREG0 "%a5"
 117 #define AREG1 "%a4"
 118 #define AREG2 "%d7"
 119 #define AREG3 "%d6"
 120 #define AREG4 "%d5"
 121 #endif
 122 #ifdef __ia64__
 123 #define AREG0 "r27"
 124 #define AREG1 "r24"
 125 #define AREG2 "r25"
 126 #define AREG3 "r26"
 127 #endif
 128
 129 /* force GCC to generate only one epilog at the end of the function */
 130 #define FORCE_RET() asm volatile ("");
 131
 132 #ifndef OPPROTO
 133 #define OPPROTO
 134 #endif
 135
 136 #define xglue(x, y) x ## y
 137 #define glue(x, y) xglue(x, y)
 138 #define stringify(s)    tostring(s)
 139 #define tostring(s)     #s
 140
 141 #ifdef __alpha__
 142 /* the symbols are considered non exported so a br immediate is generated */
 143 #define __hidden __attribute__((visibility("hidden")))
 144 #else
 145 #define __hidden
 146 #endif
 147
 148 #ifdef __alpha__
 149 /* Suggested by Richard Henderson. This will result in code like
 150         ldah $0,__op_param1($29)        !gprelhigh
 151         lda $0,__op_param1($0)          !gprellow
 152    We can then conveniently change $29 to $31 and adapt the offsets to
 153    emit the appropriate constant.  */
 154 extern int __op_param1 __hidden;
 155 extern int __op_param2 __hidden;
 156 extern int __op_param3 __hidden;
 157 #define PARAM1 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param1)); _r; })
 158 #define PARAM2 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param2)); _r; })
 159 #define PARAM3 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param3)); _r; })
 160 #else
 161 extern int __op_param1, __op_param2, __op_param3;
 162 #define PARAM1 ((long)(&__op_param1))
 163 #define PARAM2 ((long)(&__op_param2))
 164 #define PARAM3 ((long)(&__op_param3))
 165 #endif
 166
 167 extern int __op_jmp0, __op_jmp1, __op_jmp2, __op_jmp3;
 168
 169 #ifdef __i386__
 170 #define EXIT_TB() asm volatile ("ret")
 171 #endif
 172 #ifdef __powerpc__
 173 #define EXIT_TB() asm volatile ("blr")
 174 #endif
 175 #ifdef __s390__
 176 #define EXIT_TB() asm volatile ("br %r14")
 177 #endif
 178 #ifdef __alpha__
 179 #define EXIT_TB() asm volatile ("ret")
 180 #endif
 181 #ifdef __ia64__
 182 #define EXIT_TB() asm volatile ("br.ret.sptk.many b0;;")
 183 #endif
 184 #ifdef __sparc__
 185 #define EXIT_TB() asm volatile ("jmpl %i0 + 8, %g0\n" \
 186                                 "nop")
 187 #endif
 188 #ifdef __arm__
 189 #define EXIT_TB() asm volatile ("b exec_loop")
 190 #endif
 191 #ifdef __mc68000
 192 #define EXIT_TB() asm volatile ("rts")
 193 #endif