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/*

 *  dyngen defines for micro operation code

 *

 *  Copyright (c) 2003 Fabrice Bellard

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 */

#if !defined(__DYNGEN_EXEC_H__)

#define __DYNGEN_EXEC_H__

/* NOTE: standard headers should be used with special care at this

   point because host CPU registers are used as global variables. Some

   host headers do not allow that. */

#include <stddef.h>

typedef unsigned char uint8_t;

typedef unsigned short uint16_t;

typedef unsigned int uint32_t;

/* XXX may be done for all 64 bits targets ? */

#if defined (__x86_64__)

typedef unsigned long uint64_t;

#else

typedef unsigned long long uint64_t;

#endif

typedef signed char int8_t;

typedef signed short int16_t;

typedef signed int int32_t;

#if defined (__x86_64__)

typedef signed long int64_t;

#else

typedef signed long long int64_t;

#endif

#define INT8_MIN                (-128)

#define INT16_MIN                (-32767-1)

#define INT32_MIN                (-2147483647-1)

#define INT64_MIN                (-(int64_t)(9223372036854775807)-1)

#define INT8_MAX                (127)

#define INT16_MAX                (32767)

#define INT32_MAX                (2147483647)

#define INT64_MAX                ((int64_t)(9223372036854775807))

#define UINT8_MAX                (255)

#define UINT16_MAX                (65535)

#define UINT32_MAX                (4294967295U)

#define UINT64_MAX                ((uint64_t)(18446744073709551615))

typedef struct FILE FILE;

extern int fprintf(FILE *, const char *, ...);

extern int printf(const char *, ...);

#undef NULL

#define NULL 0

#if defined(_BSD) && !defined(__APPLE__)

#include <ieeefp.h>

#define FE_TONEAREST   FP_RN

#define FE_DOWNWARD    FP_RM

#define FE_UPWARD      FP_RP

#define FE_TOWARDZERO  FP_RZ

#define fesetround(x)  fpsetround(x)

#else

#include <fenv.h>

#endif

#ifdef __i386__

#define AREG0 "ebp"

#define AREG1 "ebx"

#define AREG2 "esi"

#define AREG3 "edi"

#endif

#ifdef __x86_64__

#define AREG0 "rbp"

#define AREG1 "rbx"

#define AREG2 "r12"

#define AREG3 "r13"

#define AREG4 "r14"

#define AREG5 "r15"

#endif

#ifdef __powerpc__

#define AREG0 "r27"

#define AREG1 "r24"

#define AREG2 "r25"

#define AREG3 "r26"

/* XXX: suppress this hack */

#if defined(CONFIG_USER_ONLY)

#define AREG4 "r16"

#define AREG5 "r17"

#define AREG6 "r18"

#define AREG7 "r19"

#define AREG8 "r20"

#define AREG9 "r21"

#define AREG10 "r22"

#define AREG11 "r23"

#endif

#define USE_INT_TO_FLOAT_HELPERS

#define BUGGY_GCC_DIV64

#endif

#ifdef __arm__

#define AREG0 "r7"

#define AREG1 "r4"

#define AREG2 "r5"

#define AREG3 "r6"

#endif

#ifdef __mips__

#define AREG0 "s3"

#define AREG1 "s0"

#define AREG2 "s1"

#define AREG3 "s2"

#endif

#ifdef __sparc__

#define AREG0 "g6"

#define AREG1 "g1"

#define AREG2 "g2"

#define AREG3 "g3"

#define AREG4 "l0"

#define AREG5 "l1"

#define AREG6 "l2"

#define AREG7 "l3"

#define AREG8 "l4"

#define AREG9 "l5"

#define AREG10 "l6"

#define AREG11 "l7"

#define USE_FP_CONVERT

#endif

#ifdef __s390__

#define AREG0 "r10"

#define AREG1 "r7"

#define AREG2 "r8"

#define AREG3 "r9"

#endif

#ifdef __alpha__

/* Note $15 is the frame pointer, so anything in op-i386.c that would

   require a frame pointer, like alloca, would probably loose.  */

#define AREG0 "$15"

#define AREG1 "$9"

#define AREG2 "$10"

#define AREG3 "$11"

#define AREG4 "$12"

#define AREG5 "$13"

#define AREG6 "$14"

#endif

#ifdef __mc68000

#define AREG0 "%a5"

#define AREG1 "%a4"

#define AREG2 "%d7"

#define AREG3 "%d6"

#define AREG4 "%d5"

#endif

#ifdef __ia64__

#define AREG0 "r27"

#define AREG1 "r24"

#define AREG2 "r25"

#define AREG3 "r26"

#endif

/* force GCC to generate only one epilog at the end of the function */

#define FORCE_RET() asm volatile ("");

#ifndef OPPROTO

#define OPPROTO

#endif

#define xglue(x, y) x ## y

#define glue(x, y) xglue(x, y)

#define stringify(s)        tostring(s)

#define tostring(s)        #s

#ifdef __alpha__

/* the symbols are considered non exported so a br immediate is generated */

#define __hidden __attribute__((visibility("hidden")))

#else

#define __hidden 

#endif

#if defined(__alpha__)

/* Suggested by Richard Henderson. This will result in code like

        ldah $0,__op_param1($29)        !gprelhigh

        lda $0,__op_param1($0)          !gprellow

   We can then conveniently change $29 to $31 and adapt the offsets to

   emit the appropriate constant.  */

extern int __op_param1 __hidden;

extern int __op_param2 __hidden;

extern int __op_param3 __hidden;

#define PARAM1 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param1)); _r; })

#define PARAM2 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param2)); _r; })

#define PARAM3 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param3)); _r; })

#else

#if defined(__APPLE__)

static int __op_param1, __op_param2, __op_param3;

#else

extern int __op_param1, __op_param2, __op_param3;

#endif

#define PARAM1 ((long)(&__op_param1))

#define PARAM2 ((long)(&__op_param2))

#define PARAM3 ((long)(&__op_param3))

#endif /* !defined(__alpha__) */

extern int __op_jmp0, __op_jmp1, __op_jmp2, __op_jmp3;

#if defined(_WIN32) || defined(__APPLE__)

#define ASM_NAME(x) "_" #x

#else

#define ASM_NAME(x) #x

#endif

#ifdef __i386__

#define EXIT_TB() asm volatile ("ret")

#define GOTO_LABEL_PARAM(n) asm volatile ("jmp " ASM_NAME(__op_gen_label) #n)

#endif

#ifdef __x86_64__

#define EXIT_TB() asm volatile ("ret")

#define GOTO_LABEL_PARAM(n) asm volatile ("jmp " ASM_NAME(__op_gen_label) #n)

#endif

#ifdef __powerpc__

#define EXIT_TB() asm volatile ("blr")

#define GOTO_LABEL_PARAM(n) asm volatile ("b " ASM_NAME(__op_gen_label) #n)

#endif

#ifdef __s390__

#define EXIT_TB() asm volatile ("br %r14")

#endif

#ifdef __alpha__

#define EXIT_TB() asm volatile ("ret")

#endif

#ifdef __ia64__

#define EXIT_TB() asm volatile ("br.ret.sptk.many b0;;")

#endif

#ifdef __sparc__

#define EXIT_TB() asm volatile ("jmpl %i0 + 8, %g0\n" \

                                "nop")

#endif

#ifdef __arm__

#define EXIT_TB() asm volatile ("b exec_loop")

#endif

#ifdef __mc68000

#define EXIT_TB() asm volatile ("rts")

#endif

#endif /* !defined(__DYNGEN_EXEC_H__) */