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., 51 Franklin Street, Fifth Floor, Boston MA  02110-1301 USA
  19  */
  20 #if !defined(__DYNGEN_EXEC_H__)
  21 #define __DYNGEN_EXEC_H__
  22
  23 /* prevent Solaris from trying to typedef FILE in gcc's
  24    include/floatingpoint.h which will conflict with the
  25    definition down below */
  26 #ifdef __sun__
  27 #define _FILEDEFED
  28 #endif
  29
  30 /* NOTE: standard headers should be used with special care at this
  31    point because host CPU registers are used as global variables. Some
  32    host headers do not allow that. */
  33 #include <stddef.h>
  34
  35 #ifdef __OpenBSD__
  36 #include <sys/types.h>
  37 #else
  38 typedef unsigned char uint8_t;
  39 typedef unsigned short uint16_t;
  40 typedef unsigned int uint32_t;
  41 // Linux/Sparc64 defines uint64_t
  42 #if !(defined (__sparc_v9__) && defined(__linux__)) && !(defined(__APPLE__) && defined(__x86_64__))
  43 /* XXX may be done for all 64 bits targets ? */
  44 #if defined (__x86_64__) || defined(__ia64) || defined(__s390x__) || defined(__alpha__) || defined(_ARCH_PPC64)
  45 typedef unsigned long uint64_t;
  46 #else
  47 typedef unsigned long long uint64_t;
  48 #endif
  49 #endif
  50
  51 /* if Solaris/__sun__, don't typedef int8_t, as it will be typedef'd
  52    prior to this and will cause an error in compliation, conflicting
  53    with /usr/include/sys/int_types.h, line 75 */
  54 #ifndef __sun__
  55 typedef signed char int8_t;
  56 #endif
  57 typedef signed short int16_t;
  58 typedef signed int int32_t;
  59 // Linux/Sparc64 defines int64_t
  60 #if !(defined (__sparc_v9__) && defined(__linux__)) && !(defined(__APPLE__) && defined(__x86_64__))
  61 #if defined (__x86_64__) || defined(__ia64) || defined(__s390x__) || defined(__alpha__) || defined(_ARCH_PPC64)
  62 typedef signed long int64_t;
  63 #else
  64 typedef signed long long int64_t;
  65 #endif
  66 #endif
  67 #endif
  68
  69 /* XXX: This may be wrong for 64-bit ILP32 hosts.  */
  70 typedef void * host_reg_t;
  71
  72 #define INT8_MIN                (-128)
  73 #define INT16_MIN               (-32767-1)
  74 #define INT32_MIN               (-2147483647-1)
  75 #define INT64_MIN               (-(int64_t)(9223372036854775807)-1)
  76 #define INT8_MAX                (127)
  77 #define INT16_MAX               (32767)
  78 #define INT32_MAX               (2147483647)
  79 #define INT64_MAX               ((int64_t)(9223372036854775807))
  80 #define UINT8_MAX               (255)
  81 #define UINT16_MAX              (65535)
  82 #define UINT32_MAX              (4294967295U)
  83 #define UINT64_MAX              ((uint64_t)(18446744073709551615))
  84
  85 #ifdef HOST_BSD
  86 typedef struct __sFILE FILE;
  87 #else
  88 typedef struct FILE FILE;
  89 #endif
  90 extern int fprintf(FILE *, const char *, ...);
  91 extern int fputs(const char *, FILE *);
  92 extern int printf(const char *, ...);
  93 #undef NULL
  94 #define NULL 0
  95
  96 #if defined(__i386__)
  97 #define AREG0 "ebp"
  98 #define AREG1 "ebx"
  99 #define AREG2 "esi"
 100 #elif defined(__x86_64__)
 101 #define AREG0 "r14"
 102 #define AREG1 "r15"
 103 #define AREG2 "r12"
 104 #elif defined(_ARCH_PPC)
 105 #define AREG0 "r27"
 106 #define AREG1 "r24"
 107 #define AREG2 "r25"
 108 #elif defined(__arm__)
 109 #define AREG0 "r7"
 110 #define AREG1 "r4"
 111 #define AREG2 "r5"
 112 #elif defined(__hppa__)
 113 #define AREG0 "r17"
 114 #define AREG1 "r14"
 115 #define AREG2 "r15"
 116 #elif defined(__mips__)
 117 #define AREG0 "fp"
 118 #define AREG1 "s0"
 119 #define AREG2 "s1"
 120 #elif defined(__sparc__)
 121 #ifdef HOST_SOLARIS
 122 #define AREG0 "g2"
 123 #define AREG1 "g3"
 124 #define AREG2 "g4"
 125 #else
 126 #ifdef __sparc_v9__
 127 #define AREG0 "g5"
 128 #define AREG1 "g6"
 129 #define AREG2 "g7"
 130 #else
 131 #define AREG0 "g6"
 132 #define AREG1 "g1"
 133 #define AREG2 "g2"
 134 #endif
 135 #endif
 136 #elif defined(__s390__)
 137 #define AREG0 "r10"
 138 #define AREG1 "r7"
 139 #define AREG2 "r8"
 140 #elif defined(__alpha__)
 141 /* Note $15 is the frame pointer, so anything in op-i386.c that would
 142    require a frame pointer, like alloca, would probably loose.  */
 143 #define AREG0 "$15"
 144 #define AREG1 "$9"
 145 #define AREG2 "$10"
 146 #elif defined(__mc68000)
 147 #define AREG0 "%a5"
 148 #define AREG1 "%a4"
 149 #define AREG2 "%d7"
 150 #elif defined(__ia64__)
 151 #define AREG0 "r7"
 152 #define AREG1 "r4"
 153 #define AREG2 "r5"
 154 #else
 155 #error unsupported CPU
 156 #endif
 157
 158 #define xglue(x, y) x ## y
 159 #define glue(x, y) xglue(x, y)
 160 #define stringify(s)    tostring(s)
 161 #define tostring(s)     #s
 162
 163 /* The return address may point to the start of the next instruction.
 164    Subtracting one gets us the call instruction itself.  */
 165 #if defined(__s390__)
 166 # define GETPC() ((void*)(((unsigned long)__builtin_return_address(0) & 0x7fffffffUL) - 1))
 167 #elif defined(__arm__)
 168 /* Thumb return addresses have the low bit set, so we need to subtract two.
 169    This is still safe in ARM mode because instructions are 4 bytes.  */
 170 # define GETPC() ((void *)((unsigned long)__builtin_return_address(0) - 2))
 171 #else
 172 # define GETPC() ((void *)((unsigned long)__builtin_return_address(0) - 1))
 173 #endif
 174
 175 #endif /* !defined(__DYNGEN_EXEC_H__) */