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 #if !defined(__DYNGEN_EXEC_H__)
  21 #define __DYNGEN_EXEC_H__
  22
  23 #include <stddef.h>
  24
  25 typedef unsigned char uint8_t;
  26 typedef unsigned short uint16_t;
  27 typedef unsigned int uint32_t;
  28 /* XXX may be done for all 64 bits targets ? */
  29 #if defined (__x86_64__)
  30 typedef unsigned long uint64_t;
  31 #else
  32 typedef unsigned long long uint64_t;
  33 #endif
  34
  35 typedef signed char int8_t;
  36 typedef signed short int16_t;
  37 typedef signed int int32_t;
  38 #if defined (__x86_64__)
  39 typedef signed long int64_t;
  40 #else
  41 typedef signed long long int64_t;
  42 #endif
  43
  44 #define INT8_MIN                (-128)
  45 #define INT16_MIN               (-32767-1)
  46 #define INT32_MIN               (-2147483647-1)
  47 #define INT64_MIN               (-(int64_t)(9223372036854775807)-1)
  48 #define INT8_MAX                (127)
  49 #define INT16_MAX               (32767)
  50 #define INT32_MAX               (2147483647)
  51 #define INT64_MAX               ((int64_t)(9223372036854775807))
  52 #define UINT8_MAX               (255)
  53 #define UINT16_MAX              (65535)
  54 #define UINT32_MAX              (4294967295U)
  55 #define UINT64_MAX              ((uint64_t)(18446744073709551615))
  56
  57 typedef struct FILE FILE;
  58 extern int fprintf(FILE *, const char *, ...);
  59 extern int printf(const char *, ...);
  60 #undef NULL
  61 #define NULL 0
  62 #ifdef _BSD
  63 #include <ieeefp.h>
  64 #else
  65 #include <fenv.h>
  66 #endif
  67
  68 #ifdef __i386__
  69 #define AREG0 "ebp"
  70 #define AREG1 "ebx"
  71 #define AREG2 "esi"
  72 #define AREG3 "edi"
  73 #endif
  74 #ifdef __x86_64__
  75 #define AREG0 "rbp"
  76 #define AREG1 "rbx"
  77 #define AREG2 "r12"
  78 #define AREG3 "r13"
  79 #define AREG4 "r14"
  80 #define AREG5 "r15"
  81 #endif
  82 #ifdef __powerpc__
  83 #define AREG0 "r27"
  84 #define AREG1 "r24"
  85 #define AREG2 "r25"
  86 #define AREG3 "r26"
  87 /* XXX: suppress this hack */
  88 #if defined(CONFIG_USER_ONLY)
  89 #define AREG4 "r16"
  90 #define AREG5 "r17"
  91 #define AREG6 "r18"
  92 #define AREG7 "r19"
  93 #define AREG8 "r20"
  94 #define AREG9 "r21"
  95 #define AREG10 "r22"
  96 #define AREG11 "r23"
  97 #endif
  98 #define USE_INT_TO_FLOAT_HELPERS
  99 #define BUGGY_GCC_DIV64
 100 #endif
 101 #ifdef __arm__
 102 #define AREG0 "r7"
 103 #define AREG1 "r4"
 104 #define AREG2 "r5"
 105 #define AREG3 "r6"
 106 #endif
 107 #ifdef __mips__
 108 #define AREG0 "s3"
 109 #define AREG1 "s0"
 110 #define AREG2 "s1"
 111 #define AREG3 "s2"
 112 #endif
 113 #ifdef __sparc__
 114 #define AREG0 "g6"
 115 #define AREG1 "g1"
 116 #define AREG2 "g2"
 117 #define AREG3 "g3"
 118 #define AREG4 "l0"
 119 #define AREG5 "l1"
 120 #define AREG6 "l2"
 121 #define AREG7 "l3"
 122 #define AREG8 "l4"
 123 #define AREG9 "l5"
 124 #define AREG10 "l6"
 125 #define AREG11 "l7"
 126 #define USE_FP_CONVERT
 127 #endif
 128 #ifdef __s390__
 129 #define AREG0 "r10"
 130 #define AREG1 "r7"
 131 #define AREG2 "r8"
 132 #define AREG3 "r9"
 133 #endif
 134 #ifdef __alpha__
 135 /* Note $15 is the frame pointer, so anything in op-i386.c that would
 136    require a frame pointer, like alloca, would probably loose.  */
 137 #define AREG0 "$15"
 138 #define AREG1 "$9"
 139 #define AREG2 "$10"
 140 #define AREG3 "$11"
 141 #define AREG4 "$12"
 142 #define AREG5 "$13"
 143 #define AREG6 "$14"
 144 #endif
 145 #ifdef __mc68000
 146 #define AREG0 "%a5"
 147 #define AREG1 "%a4"
 148 #define AREG2 "%d7"
 149 #define AREG3 "%d6"
 150 #define AREG4 "%d5"
 151 #endif
 152 #ifdef __ia64__
 153 #define AREG0 "r27"
 154 #define AREG1 "r24"
 155 #define AREG2 "r25"
 156 #define AREG3 "r26"
 157 #endif
 158
 159 /* force GCC to generate only one epilog at the end of the function */
 160 #define FORCE_RET() asm volatile ("");
 161
 162 #ifndef OPPROTO
 163 #define OPPROTO
 164 #endif
 165
 166 #define xglue(x, y) x ## y
 167 #define glue(x, y) xglue(x, y)
 168 #define stringify(s)    tostring(s)
 169 #define tostring(s)     #s
 170
 171 #ifdef __alpha__
 172 /* the symbols are considered non exported so a br immediate is generated */
 173 #define __hidden __attribute__((visibility("hidden")))
 174 #else
 175 #define __hidden
 176 #endif
 177
 178 #ifdef __alpha__
 179 /* Suggested by Richard Henderson. This will result in code like
 180         ldah $0,__op_param1($29)        !gprelhigh
 181         lda $0,__op_param1($0)          !gprellow
 182    We can then conveniently change $29 to $31 and adapt the offsets to
 183    emit the appropriate constant.  */
 184 extern int __op_param1 __hidden;
 185 extern int __op_param2 __hidden;
 186 extern int __op_param3 __hidden;
 187 #define PARAM1 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param1)); _r; })
 188 #define PARAM2 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param2)); _r; })
 189 #define PARAM3 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param3)); _r; })
 190 #else
 191 extern int __op_param1, __op_param2, __op_param3;
 192 #define PARAM1 ((long)(&__op_param1))
 193 #define PARAM2 ((long)(&__op_param2))
 194 #define PARAM3 ((long)(&__op_param3))
 195 #endif
 196
 197 extern int __op_jmp0, __op_jmp1, __op_jmp2, __op_jmp3;
 198
 199 #ifdef __i386__
 200 #define EXIT_TB() asm volatile ("ret")
 201 #endif
 202 #ifdef __x86_64__
 203 #define EXIT_TB() asm volatile ("ret")
 204 #endif
 205 #ifdef __powerpc__
 206 #define EXIT_TB() asm volatile ("blr")
 207 #endif
 208 #ifdef __s390__
 209 #define EXIT_TB() asm volatile ("br %r14")
 210 #endif
 211 #ifdef __alpha__
 212 #define EXIT_TB() asm volatile ("ret")
 213 #endif
 214 #ifdef __ia64__
 215 #define EXIT_TB() asm volatile ("br.ret.sptk.many b0;;")
 216 #endif
 217 #ifdef __sparc__
 218 #define EXIT_TB() asm volatile ("jmpl %i0 + 8, %g0\n" \
 219                                 "nop")
 220 #endif
 221 #ifdef __arm__
 222 #define EXIT_TB() asm volatile ("b exec_loop")
 223 #endif
 224 #ifdef __mc68000
 225 #define EXIT_TB() asm volatile ("rts")
 226 #endif
 227
 228 #endif /* !defined(__DYNGEN_EXEC_H__) */