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libclosure/lightning/asm-common.h
jpenner d793f81b51 This is the real 0.1 release, I think.
2004-08-18 12:59:40 +00:00

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C
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/******************************** -*- C -*- ****************************
*
* Dynamic assembler support
*
***********************************************************************/
/***********************************************************************
*
* Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
* Written by Paolo Bonzini.
*
* This file is part of GNU lightning.
*
* GNU lightning 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 2.1, or (at your option)
* any later version.
*
* GNU lightning 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 GNU lightning; see the file COPYING.LESSER; if not, write to the
* Free Software Foundation, 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*
***********************************************************************/
#ifndef __lightning_asm_common_h
#define __lightning_asm_common_h_
#ifndef _ASM_SAFETY
#define JITFAIL(MSG) 0
#else
#if defined __GNUC__ && (__GNUC__ == 3 ? __GNUC_MINOR__ >= 2 : __GNUC__ > 3)
#define JITFAIL(MSG) jit_fail(MSG, __FILE__, __LINE__, __func__)
#else
#define JITFAIL(MSG) jit_fail(MSG, __FILE__, __LINE__, __FUNCTION__)
#endif
#endif
#if defined __GNUC__ && (__GNUC__ == 3 ? __GNUC_MINOR__ >= 2 : __GNUC__ > 3)
#define JITSORRY(MSG) jit_fail("sorry, unimplemented: " MSG, __FILE__, __LINE__, __func__)
#else
#define JITSORRY(MSG) jit_fail("sorry, unimplemented: " MSG, __FILE__, __LINE__, __FUNCTION__)
#endif
#ifdef __GNUC__
#define JIT_UNUSED __attribute__((unused))
#else
#define JIT_UNUSED
#endif
/* NextStep 2.0 cc is really gcc 1.93 but it defines __GNUC__ = 2 and
does not implement __extension__. But that compiler doesn't define
__GNUC_MINOR__. */
#ifdef __GNUC__
#if __GNUC__ < 2 || (defined(__NeXT__) && !__GNUC_MINOR__)
#define __extension__
#endif
#define _TEMPD(type, var)
#define _TEMP(type, var, val, body) __extension__ ({ \
register struct { type var } _jitl; _jitl.var = val; \
body; \
})
#else
/* Between loading a global and calling a subroutine, we choose the lesser
* evil. */
#define _TEMPD(type, var) static type var;
#define _TEMP(type, var, val, body) ((var = val), body)
#endif
typedef char _sc;
typedef unsigned char _uc;
typedef unsigned short _us;
typedef unsigned int _ui;
typedef long _sl;
typedef unsigned long _ul;
#define _UC(X) ((_uc )(X))
#define _US(X) ((_us )(X))
#define _UI(X) ((_ui )(X))
#define _SL(X) ((_sl )(X))
#define _UL(X) ((_ul )(X))
# define _PUC(X) ((_uc *)(X))
# define _PUS(X) ((_us *)(X))
# define _PUI(X) ((_ui *)(X))
# define _PSL(X) ((_sl *)(X))
# define _PUL(X) ((_ul *)(X))
#define _B(B) ((*_PUC(_jit.pc)++)= _UC((B)& 0xff))
#define _W(W) ((*_PUS(_jit.pc)++)= _US((W)&0xffff))
#define _I(I) ((*_PUI(_jit.pc)++)= _UI((I) ))
#define _L(L) ((*_PUL(_jit.pc)++)= _UL((L) ))
#define _MASK(N) ((unsigned)((1<<(N)))-1)
#define _siP(N,I) (!((((unsigned)(I))^(((unsigned)(I))<<1))&~_MASK(N)))
#define _uiP(N,I) (!(((unsigned)(I))&~_MASK(N)))
#define _suiP(N,I) (_siP(N,I) | _uiP(N,I))
#ifndef _ASM_SAFETY
#define _ck_s(W,I) (_UL(I) & _MASK(W))
#define _ck_u(W,I) (_UL(I) & _MASK(W))
#define _ck_su(W,I) (_UL(I) & _MASK(W))
#define _ck_d(W,I) (_UL(I) & _MASK(W))
#else
#define _ck_s(W,I) (_siP(W,I) ? (_UL(I) & _MASK(W)) : JITFAIL( "signed integer `"#I"' too large for "#W"-bit field"))
#define _ck_u(W,I) (_uiP(W,I) ? (_UL(I) & _MASK(W)) : JITFAIL("unsigned integer `"#I"' too large for "#W"-bit field"))
#define _ck_su(W,I) (_suiP(W,I) ? (_UL(I) & _MASK(W)) : JITFAIL( "integer `"#I"' too large for "#W"-bit field"))
#define _ck_d(W,I) (_siP(W,I) ? (_UL(I) & _MASK(W)) : JITFAIL( "displacement `"#I"' too large for "#W"-bit field"))
#endif
#define _s0P(I) ((I)==0)
#define _s8P(I) _siP(8,I)
#define _s16P(I) _siP(16,I)
#define _u8P(I) _uiP(8,I)
#define _u16P(I) _uiP(16,I)
#define _su8(I) _ck_su(8,I)
#define _su16(I) _ck_su(16,I)
#define _s1(I) _ck_s( 1,I)
#define _s2(I) _ck_s( 2,I)
#define _s3(I) _ck_s( 3,I)
#define _s4(I) _ck_s( 4,I)
#define _s5(I) _ck_s( 5,I)
#define _s6(I) _ck_s( 6,I)
#define _s7(I) _ck_s( 7,I)
#define _s8(I) _ck_s( 8,I)
#define _s9(I) _ck_s( 9,I)
#define _s10(I) _ck_s(10,I)
#define _s11(I) _ck_s(11,I)
#define _s12(I) _ck_s(12,I)
#define _s13(I) _ck_s(13,I)
#define _s14(I) _ck_s(14,I)
#define _s15(I) _ck_s(15,I)
#define _s16(I) _ck_s(16,I)
#define _s17(I) _ck_s(17,I)
#define _s18(I) _ck_s(18,I)
#define _s19(I) _ck_s(19,I)
#define _s20(I) _ck_s(20,I)
#define _s21(I) _ck_s(21,I)
#define _s22(I) _ck_s(22,I)
#define _s23(I) _ck_s(23,I)
#define _s24(I) _ck_s(24,I)
#define _s25(I) _ck_s(25,I)
#define _s26(I) _ck_s(26,I)
#define _s27(I) _ck_s(27,I)
#define _s28(I) _ck_s(28,I)
#define _s29(I) _ck_s(29,I)
#define _s30(I) _ck_s(30,I)
#define _s31(I) _ck_s(31,I)
#define _u1(I) _ck_u( 1,I)
#define _u2(I) _ck_u( 2,I)
#define _u3(I) _ck_u( 3,I)
#define _u4(I) _ck_u( 4,I)
#define _u5(I) _ck_u( 5,I)
#define _u6(I) _ck_u( 6,I)
#define _u7(I) _ck_u( 7,I)
#define _u8(I) _ck_u( 8,I)
#define _u9(I) _ck_u( 9,I)
#define _u10(I) _ck_u(10,I)
#define _u11(I) _ck_u(11,I)
#define _u12(I) _ck_u(12,I)
#define _u13(I) _ck_u(13,I)
#define _u14(I) _ck_u(14,I)
#define _u15(I) _ck_u(15,I)
#define _u16(I) _ck_u(16,I)
#define _u17(I) _ck_u(17,I)
#define _u18(I) _ck_u(18,I)
#define _u19(I) _ck_u(19,I)
#define _u20(I) _ck_u(20,I)
#define _u21(I) _ck_u(21,I)
#define _u22(I) _ck_u(22,I)
#define _u23(I) _ck_u(23,I)
#define _u24(I) _ck_u(24,I)
#define _u25(I) _ck_u(25,I)
#define _u26(I) _ck_u(26,I)
#define _u27(I) _ck_u(27,I)
#define _u28(I) _ck_u(28,I)
#define _u29(I) _ck_u(29,I)
#define _u30(I) _ck_u(30,I)
#define _u31(I) _ck_u(31,I)
#endif /* __lightning_asm_common_h */
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