OpenBSD-4.6/usr.bin/pcc/arm/macdefs.h
/* $OpenBSD: macdefs.h,v 1.3 2008/04/11 20:45:52 stefan Exp $ */
/*
* Copyright (c) 2003 Anders Magnusson (ragge@ludd.luth.se).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Machine-dependent defines for both passes.
*/
/*
* Convert (multi-)character constant to integer.
*/
#define makecc(val,i) lastcon = (lastcon<<8)|((val<<24)>>24);
/*
* Storage space requirements
*/
#define SZCHAR 8
#define SZBOOL 32
#define SZINT 32
#define SZFLOAT 32
#define SZDOUBLE 64
#define SZLDOUBLE 64
#define SZLONG 32
#define SZSHORT 16
#define SZLONGLONG 64
#define SZPOINT(t) 32
/*
* Alignment constraints
*/
#define ALCHAR 8
#define ALBOOL 32
#define ALINT 32
#define ALFLOAT 32
#define ALDOUBLE 32
#define ALLDOUBLE 32
#define ALLONG 32
#define ALLONGLONG 32
#define ALSHORT 16
#define ALPOINT 32
#define ALSTRUCT 32
#define ALSTACK 32
/*
* Min/max values.
*/
#define MIN_CHAR -128
#define MAX_CHAR 127
#define MAX_UCHAR 255
#define MIN_SHORT -32768
#define MAX_SHORT 32767
#define MAX_USHORT 65535
#define MIN_INT -1
#define MAX_INT 0x7fffffff
#define MAX_UNSIGNED 0xffffffff
#define MIN_LONG MIN_INT
#define MAX_LONG MAX_INT
#define MAX_ULONG MAX_UNSIGNED
#define MIN_LONGLONG 0x8000000000000000LL
#define MAX_LONGLONG 0x7fffffffffffffffLL
#define MAX_ULONGLONG 0xffffffffffffffffULL
#define BOOL_TYPE INT /* what used to store _Bool */
#define WCHAR_TYPE INT /* what used to store wchar_t */
/*
* Use large-enough types.
*/
typedef long long CONSZ;
typedef unsigned long long U_CONSZ;
typedef long long OFFSZ;
#define CONFMT "#%lld" /* format for printing constants */
#define LABFMT ".L%d" /* format for printing labels */
#define STABLBL "LL%d" /* format for stab (debugging) labels */
#define STAB_LINE_ABSOLUTE /* S_LINE fields use absolute addresses */
#undef FIELDOPS /* no bit-field instructions */
#define ENUMSIZE(high,low) INT /* enums are always stored in full int */
/* Definitions mostly used in pass2 */
#define BYTEOFF(x) ((x)&03)
#define wdal(k) (BYTEOFF(k)==0)
#define BITOOR(x) (x) /* bit offset to oreg offset XXX die! */
#define STOARG(p)
#define STOFARG(p)
#define STOSTARG(p)
#define szty(t) (((t) == DOUBLE || (t) == LDOUBLE || \
(t) == LONGLONG || (t) == ULONGLONG) ? 2 : 1)
#define R0 0
#define R1 1
#define R2 2
#define R3 3
#define R4 4
#define R5 5
#define R6 6
#define R7 7
#define R8 8
#define R9 9
#define R10 10
#define FP 11
#define IP 12
#define SP 13
#define LR 14
#define PC 15
#define R0R1 16
#define R1R2 17
#define R2R3 18
#define R3R4 19
#define R4R5 20
#define R5R6 21
#define R6R7 22
#define R7R8 23
#define R8R9 24
#define R9R10 25
#define F0 26
#define F1 27
#define F2 28
#define F3 29
#define F4 30
#define F5 31
#define F6 32
#define F7 33
#define NUMCLASS 3
#define MAXREGS 34
#define RSTATUS \
SAREG|TEMPREG, SAREG|TEMPREG, SAREG|TEMPREG, SAREG|TEMPREG, \
SAREG|PERMREG, SAREG|PERMREG, SAREG|PERMREG, SAREG|PERMREG, \
SAREG|PERMREG, SAREG|PERMREG, SAREG|PERMREG, \
0, 0, 0, 0, 0, \
SBREG|TEMPREG, SBREG|TEMPREG, SBREG|TEMPREG, SBREG, \
SBREG, SBREG, SBREG, SBREG, SBREG, SBREG, \
SCREG, SCREG, SCREG, SCREG, \
SCREG, SCREG, SCREG, SCREG, \
#define ROVERLAP \
{ R0R1, -1 }, \
{ R0R1, R1R2, -1 }, \
{ R1R2, R2R3, -1 }, \
{ R2R3, R3R4, -1 }, \
{ R3R4, R4R5, -1 }, \
{ R4R5, R5R6, -1 }, \
{ R5R6, R6R7, -1 }, \
{ R6R7, R7R8, -1 }, \
{ R7R8, R8R9, -1 }, \
{ R8R9, R9R10, -1 }, \
{ R9R10, -1 }, \
{ -1 }, \
{ -1 }, \
{ -1 }, \
{ -1 }, \
{ -1 }, \
{ R0, R1, R1R2, -1 }, \
{ R1, R2, R0R1, R2R3, -1 }, \
{ R2, R3, R1R2, R3R4, -1 }, \
{ R3, R4, R2R3, R4R5, -1 }, \
{ R4, R5, R3R4, R5R6, -1 }, \
{ R5, R6, R4R5, R6R7, -1 }, \
{ R6, R7, R5R6, R7R8, -1 }, \
{ R7, R8, R6R7, R8R9, -1 }, \
{ R8, R9, R7R8, R9R10, -1 }, \
{ R9, R10, R8R9, -1 }, \
{ -1, }, \
{ -1, }, \
{ -1, }, \
{ -1, }, \
{ -1, }, \
{ -1, }, \
{ -1, }, \
{ -1, }, \
#define BACKTEMP /* stack grows negatively for temporaries */
#define BACKAUTO /* stack grows negatively for automatics */
#define ARGINIT (4*8) /* # bits above fp where arguments start */
#define AUTOINIT (12*8) /* # bits above fp where automatics start */
#undef FIELDOPS /* no bit-field instructions */
#define RTOLBYTES 1 /* bytes are numbered right to left */
/* XXX - to die */
#define FPREG FP /* frame pointer */
/* Return a register class based on the type of the node */
#define PCLASS(p) (1 << gclass((p)->n_type))
#define GCLASS(x) (x < 16 ? CLASSA : x < 26 ? CLASSB : CLASSC)
#define DECRA(x,y) (((x) >> (y*6)) & 63) /* decode encoded regs */
#define ENCRD(x) (x) /* Encode dest reg in n_reg */
#define ENCRA1(x) ((x) << 6) /* A1 */
#define ENCRA2(x) ((x) << 12) /* A2 */
#define ENCRA(x,y) ((x) << (6+y*6)) /* encode regs in int */
#define RETREG(x) retreg(x)
int COLORMAP(int c, int *r);
int retreg(int ty);
int features(int f);
#define FEATURE_BIGENDIAN 0x00010000
#define FEATURE_HALFWORDS 0x00020000 /* ldrsh/ldrh, ldrsb */
#define FEATURE_EXTEND 0x00040000 /* sxth, sxtb, uxth, uxtb */
#define FEATURE_MUL 0x00080000
#define FEATURE_MULL 0x00100000
#define FEATURE_FPA 0x10000000
#define FEATURE_VFP 0x20000000
#define FEATURE_HARDFLOAT (FEATURE_FPA|FEATURE_VFP)
#define TARGET_STDARGS
#define TARGET_BUILTINS \
{ "__builtin_stdarg_start", arm_builtin_stdarg_start }, \
{ "__builtin_va_arg", arm_builtin_va_arg }, \
{ "__builtin_va_end", arm_builtin_va_end }, \
{ "__builtin_va_copy", arm_builtin_va_copy },
#define NODE struct node
struct node;
NODE *arm_builtin_stdarg_start(NODE *f, NODE *a);
NODE *arm_builtin_va_arg(NODE *f, NODE *a);
NODE *arm_builtin_va_end(NODE *f, NODE *a);
NODE *arm_builtin_va_copy(NODE *f, NODE *a);
#undef NODE
#define COM "\t@ "
#define NARGREGS 4