File:  [Qemu by Fabrice Bellard] / qemu / dyngen-exec.h
Revision 1.1.1.6 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 16:50:48 2018 UTC (3 years, 3 months ago) by root
Branches: qemu, MAIN
CVS tags: qemu0105, qemu0104, qemu0103, qemu0102, qemu0101, qemu0100, HEAD
qemu 0.10.0

    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 _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: #define AREG3 "edi"
  101: #elif defined(__x86_64__)
  102: #define AREG0 "r14"
  103: #define AREG1 "r15"
  104: #define AREG2 "r12"
  105: #define AREG3 "r13"
  106: //#define AREG4 "rbp"
  107: //#define AREG5 "rbx"
  108: #elif defined(_ARCH_PPC)
  109: #define AREG0 "r27"
  110: #define AREG1 "r24"
  111: #define AREG2 "r25"
  112: #define AREG3 "r26"
  113: /* XXX: suppress this hack */
  114: #if defined(CONFIG_USER_ONLY)
  115: #define AREG4 "r16"
  116: #define AREG5 "r17"
  117: #define AREG6 "r18"
  118: #define AREG7 "r19"
  119: #define AREG8 "r20"
  120: #define AREG9 "r21"
  121: #define AREG10 "r22"
  122: #define AREG11 "r23"
  123: #endif
  124: #elif defined(__arm__)
  125: #define AREG0 "r7"
  126: #define AREG1 "r4"
  127: #define AREG2 "r5"
  128: #define AREG3 "r6"
  129: #elif defined(__hppa__)
  130: #define AREG0 "r17"
  131: #define AREG1 "r14"
  132: #define AREG2 "r15"
  133: #define AREG3 "r16"
  134: #elif defined(__mips__)
  135: #define AREG0 "fp"
  136: #define AREG1 "s0"
  137: #define AREG2 "s1"
  138: #define AREG3 "s2"
  139: #define AREG4 "s3"
  140: #define AREG5 "s4"
  141: #define AREG6 "s5"
  142: #define AREG7 "s6"
  143: #define AREG8 "s7"
  144: #elif defined(__sparc__)
  145: #ifdef HOST_SOLARIS
  146: #define AREG0 "g2"
  147: #define AREG1 "g3"
  148: #define AREG2 "g4"
  149: #define AREG3 "g5"
  150: #define AREG4 "g6"
  151: #else
  152: #ifdef __sparc_v9__
  153: #define AREG0 "g5"
  154: #define AREG1 "g6"
  155: #define AREG2 "g7"
  156: #else
  157: #define AREG0 "g6"
  158: #define AREG1 "g1"
  159: #define AREG2 "g2"
  160: #define AREG3 "g3"
  161: #define AREG4 "l0"
  162: #define AREG5 "l1"
  163: #define AREG6 "l2"
  164: #define AREG7 "l3"
  165: #define AREG8 "l4"
  166: #define AREG9 "l5"
  167: #define AREG10 "l6"
  168: #define AREG11 "l7"
  169: #endif
  170: #endif
  171: #elif defined(__s390__)
  172: #define AREG0 "r10"
  173: #define AREG1 "r7"
  174: #define AREG2 "r8"
  175: #define AREG3 "r9"
  176: #elif defined(__alpha__)
  177: /* Note $15 is the frame pointer, so anything in op-i386.c that would
  178:    require a frame pointer, like alloca, would probably loose.  */
  179: #define AREG0 "$15"
  180: #define AREG1 "$9"
  181: #define AREG2 "$10"
  182: #define AREG3 "$11"
  183: #define AREG4 "$12"
  184: #define AREG5 "$13"
  185: #define AREG6 "$14"
  186: #elif defined(__mc68000)
  187: #define AREG0 "%a5"
  188: #define AREG1 "%a4"
  189: #define AREG2 "%d7"
  190: #define AREG3 "%d6"
  191: #define AREG4 "%d5"
  192: #elif defined(__ia64__)
  193: #define AREG0 "r7"
  194: #define AREG1 "r4"
  195: #define AREG2 "r5"
  196: #define AREG3 "r6"
  197: #else
  198: #error unsupported CPU
  199: #endif
  200: 
  201: #define xglue(x, y) x ## y
  202: #define glue(x, y) xglue(x, y)
  203: #define stringify(s)	tostring(s)
  204: #define tostring(s)	#s
  205: 
  206: /* The return address may point to the start of the next instruction.
  207:    Subtracting one gets us the call instruction itself.  */
  208: #if defined(__s390__)
  209: # define GETPC() ((void*)(((unsigned long)__builtin_return_address(0) & 0x7fffffffUL) - 1))
  210: #elif defined(__arm__)
  211: /* Thumb return addresses have the low bit set, so we need to subtract two.
  212:    This is still safe in ARM mode because instructions are 4 bytes.  */
  213: # define GETPC() ((void *)((unsigned long)__builtin_return_address(0) - 2))
  214: #else
  215: # define GETPC() ((void *)((unsigned long)__builtin_return_address(0) - 1))
  216: #endif
  217: 
  218: #endif /* !defined(__DYNGEN_EXEC_H__) */

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