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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., 51 Franklin Street, Fifth Floor, Boston MA  02110-1301 USA

 */

#if !defined(__DYNGEN_EXEC_H__)

#define __DYNGEN_EXEC_H__

/* prevent Solaris from trying to typedef FILE in gcc's

   include/floatingpoint.h which will conflict with the

   definition down below */

#ifdef __sun__

#define _FILEDEFED

#endif

/* 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>

#ifdef __OpenBSD__

#include <sys/types.h>

#else

typedef unsigned char uint8_t;

typedef unsigned short uint16_t;

typedef unsigned int uint32_t;

// Linux/Sparc64 defines uint64_t

#if !(defined (__sparc_v9__) && defined(__linux__)) && !(defined(__APPLE__) && defined(__x86_64__))

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

#if defined (__x86_64__) || defined(__ia64) || defined(__s390x__) || defined(__alpha__) || defined(_ARCH_PPC64)

typedef unsigned long uint64_t;

#else

typedef unsigned long long uint64_t;

#endif

#endif

/* if Solaris/__sun__, don't typedef int8_t, as it will be typedef'd

   prior to this and will cause an error in compliation, conflicting

   with /usr/include/sys/int_types.h, line 75 */

#ifndef __sun__

typedef signed char int8_t;

#endif

typedef signed short int16_t;

typedef signed int int32_t;

// Linux/Sparc64 defines int64_t

#if !(defined (__sparc_v9__) && defined(__linux__)) && !(defined(__APPLE__) && defined(__x86_64__))

#if defined (__x86_64__) || defined(__ia64) || defined(__s390x__) || defined(__alpha__) || defined(_ARCH_PPC64)

typedef signed long int64_t;

#else

typedef signed long long int64_t;

#endif

#endif

#endif

/* XXX: This may be wrong for 64-bit ILP32 hosts.  */

typedef void * host_reg_t;

#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))

#ifdef HOST_BSD

typedef struct __sFILE FILE;

#else

typedef struct FILE FILE;

#endif

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

extern int fputs(const char *, FILE *);

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

#undef NULL

#define NULL 0

#if defined(__i386__)

#define AREG0 "ebp"

#define AREG1 "ebx"

#define AREG2 "esi"

#elif defined(__x86_64__)

#define AREG0 "r14"

#define AREG1 "r15"

#define AREG2 "r12"

#elif defined(_ARCH_PPC)

#define AREG0 "r27"

#define AREG1 "r24"

#define AREG2 "r25"

#elif defined(__arm__)

#define AREG0 "r7"

#define AREG1 "r4"

#define AREG2 "r5"

#elif defined(__hppa__)

#define AREG0 "r17"

#define AREG1 "r14"

#define AREG2 "r15"

#elif defined(__mips__)

#define AREG0 "fp"

#define AREG1 "s0"

#define AREG2 "s1"

#elif defined(__sparc__)

#ifdef HOST_SOLARIS

#define AREG0 "g2"

#define AREG1 "g3"

#define AREG2 "g4"

#else

#ifdef __sparc_v9__

#define AREG0 "g5"

#define AREG1 "g6"

#define AREG2 "g7"

#else

#define AREG0 "g6"

#define AREG1 "g1"

#define AREG2 "g2"

#endif

#endif

#elif defined(__s390__)

#define AREG0 "r10"

#define AREG1 "r7"

#define AREG2 "r8"

#elif defined(__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"

#elif defined(__mc68000)

#define AREG0 "%a5"

#define AREG1 "%a4"

#define AREG2 "%d7"

#elif defined(__ia64__)

#define AREG0 "r7"

#define AREG1 "r4"

#define AREG2 "r5"

#else

#error unsupported CPU

#endif

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

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

#define stringify(s)        tostring(s)

#define tostring(s)        #s

/* The return address may point to the start of the next instruction.

   Subtracting one gets us the call instruction itself.  */

#if defined(__s390__)

# define GETPC() ((void*)(((unsigned long)__builtin_return_address(0) & 0x7fffffffUL) - 1))

#elif defined(__arm__)

/* Thumb return addresses have the low bit set, so we need to subtract two.

   This is still safe in ARM mode because instructions are 4 bytes.  */

# define GETPC() ((void *)((unsigned long)__builtin_return_address(0) - 2))

#else

# define GETPC() ((void *)((unsigned long)__builtin_return_address(0) - 1))

#endif

#endif /* !defined(__DYNGEN_EXEC_H__) */