+Tue Apr 15 15:08:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
+
+ * sim-assert.h (SIM_ASSERT, ASSERT): Allow these macros to
+ be overriden.
+
+Wed Apr 9 16:06:44 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
+
+ * sim-basics.h: Only bring in config.h and tconfig.h if
+ HAVE_CONFIG_H.
+
+Mon Apr 7 11:39:45 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
+
+ * sim-config.h (WITH_TARGET_WORD_MSB): New Macro. Define the bit
+ numbering convention of the target.
+ * sim-config.c (print_sim_config): Print WITH_TARGET_WORD_BITSIZE
+ and WITH_TARGET_WORD_MSB.
+ (sim_config): When possible, check for consistency with bitsize
+ and msb.
+
+ * sim-bits.h: Allow MSB to be other than zero.
+ * sim-bits.c: Ditto.
+ * sim-n-bits.h: Ditto.
+
+ * sim-bits.h (MSMASK*): New macros - converce to LSMASK*.
+ * sim-n-bits.h (MSMASKEDn): Ditto.
+
+Mon Apr 14 16:29:21 1997 Ian Lance Taylor <ian@cygnus.com>
+
+ * Makefile.in (INSTALL): Change install.sh to install-sh.
+
Mon Apr 7 10:46:38 1997 Doug Evans <dje@canuck.cygnus.com>
* sim-base.h (sim_state_base): Move `magic' to end of struct.
--- /dev/null
+/* This file is part of the program psim.
+
+ Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>
+ Copyright (C) 1997, Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+ */
+
+
+#ifndef _SIM_BASICS_H_
+#define _SIM_BASICS_H_
+
+
+/* Basic configuration */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+/* Basic host dependant mess - hopefully <stdio.h> + <stdarg.h> will
+ bring potential conflicts out in the open */
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <setjmp.h>
+
+#ifndef NULL
+#define NULL 0
+#endif
+
+
+
+
+/* Some versions of GCC include an attribute operator, define it */
+
+#if !defined (__attribute__)
+#if (!defined(__GNUC__) \
+ || (__GNUC__ < 2) \
+ || (__GNUC__ == 2 && __GNUC_MINOR__ < 6))
+#define __attribute__(arg)
+#endif
+#endif
+
+
+
+/* Memory management with an allocator that clears memory before use. */
+
+void *zalloc (unsigned long size);
+
+#define ZALLOC(TYPE) (TYPE*)zalloc(sizeof (TYPE))
+
+void zfree(void*);
+
+
+
+/* Global types that code manipulates */
+
+typedef struct _device device;
+
+
+/* Address access attributes */
+typedef enum _access_type {
+ access_invalid = 0,
+ access_read = 1,
+ access_write = 2,
+ access_read_write = 3,
+ access_exec = 4,
+ access_read_exec = 5,
+ access_write_exec = 6,
+ access_read_write_exec = 7,
+} access_type;
+
+
+/* Address attachement types */
+typedef enum _attach_type {
+ attach_invalid,
+ attach_raw_memory,
+ attach_callback,
+ /* ... */
+} attach_type;
+
+
+
+/* Basic definitions - ordered so that nothing calls what comes after
+ it */
+
+#ifdef HAVE_CONFIG_H
+#include "tconfig.h"
+#endif
+#include "ansidecl.h"
+#include "callback.h"
+#include "remote-sim.h"
+
+#include "sim-config.h"
+
+#include "sim-base.h"
+
+#include "sim-inline.h"
+
+#include "sim-types.h"
+#include "sim-bits.h"
+#include "sim-endian.h"
+
+#endif /* _SIM_BASICS_H_ */
#ifndef _PSIM_CONFIG_H_
#define _PSIM_CONFIG_H_
+/* Host dependant:
+
+ The CPP below defines information about the compilation host. In
+ particular it defines the macro's:
+
+ WITH_HOST_BYTE_ORDER The byte order of the host. Could
+ be any of LITTLE_ENDIAN, BIG_ENDIAN
+ or 0 (unknown). Those macro's also
+ need to be defined.
+
+ */
+
+
+/* NetBSD:
+
+ NetBSD is easy, everything you could ever want is in a header file
+ (well almost :-) */
+
+#if defined(__NetBSD__)
+# include <machine/endian.h>
+# if (WITH_HOST_BYTE_ORDER == 0)
+# undef WITH_HOST_BYTE_ORDER
+# define WITH_HOST_BYTE_ORDER BYTE_ORDER
+# endif
+# if (BYTE_ORDER != WITH_HOST_BYTE_ORDER)
+# error "host endian incorrectly configured, check config.h"
+# endif
+#endif
+
+/* Linux is similarly easy. */
+
+#if defined(__linux__)
+# include <endian.h>
+# include <asm/byteorder.h>
+# if defined(__LITTLE_ENDIAN) && !defined(LITTLE_ENDIAN)
+# define LITTLE_ENDIAN __LITTLE_ENDIAN
+# endif
+# if defined(__BIG_ENDIAN) && !defined(BIG_ENDIAN)
+# define BIG_ENDIAN __BIG_ENDIAN
+# endif
+# if defined(__BYTE_ORDER) && !defined(BYTE_ORDER)
+# define BYTE_ORDER __BYTE_ORDER
+# endif
+# if (WITH_HOST_BYTE_ORDER == 0)
+# undef WITH_HOST_BYTE_ORDER
+# define WITH_HOST_BYTE_ORDER BYTE_ORDER
+# endif
+# if (BYTE_ORDER != WITH_HOST_BYTE_ORDER)
+# error "host endian incorrectly configured, check config.h"
+# endif
+#endif
+
+/* INSERT HERE - hosts that have available LITTLE_ENDIAN and
+ BIG_ENDIAN macro's */
+
+
+/* Some hosts don't define LITTLE_ENDIAN or BIG_ENDIAN, help them out */
+
+#ifndef LITTLE_ENDIAN
+#define LITTLE_ENDIAN 1234
+#endif
+#ifndef BIG_ENDIAN
+#define BIG_ENDIAN 4321
+#endif
+
+
+/* SunOS on SPARC:
+
+ Big endian last time I looked */
+
+#if defined(sparc) || defined(__sparc__)
+# if (WITH_HOST_BYTE_ORDER == 0)
+# undef WITH_HOST_BYTE_ORDER
+# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
+# endif
+# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
+# error "sun was big endian last time I looked ..."
+# endif
+#endif
+
+
+/* Random x86
+
+ Little endian last time I looked */
+
+#if defined(i386) || defined(i486) || defined(i586) || defined (i686) || defined(__i386__) || defined(__i486__) || defined(__i586__) || defined (__i686__)
+# if (WITH_HOST_BYTE_ORDER == 0)
+# undef WITH_HOST_BYTE_ORDER
+# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
+# endif
+# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
+# error "x86 was little endian last time I looked ..."
+# endif
+#endif
+
+#if (defined (__i486__) || defined (__i586__) || defined (__i686__)) && defined(__GNUC__) && WITH_BSWAP
+#undef htonl
+#undef ntohl
+#define htonl(IN) __extension__ ({ int _out; __asm__ ("bswap %0" : "=r" (_out) : "0" (IN)); _out; })
+#define ntohl(IN) __extension__ ({ int _out; __asm__ ("bswap %0" : "=r" (_out) : "0" (IN)); _out; })
+#endif
+
+/* Power or PowerPC running AIX */
+#if defined(_POWER) && defined(_AIX)
+# if (WITH_HOST_BYTE_ORDER == 0)
+# undef WITH_HOST_BYTE_ORDER
+# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
+# endif
+# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
+# error "Power/PowerPC AIX was big endian last time I looked ..."
+# endif
+#endif
+
+/* Solaris running PowerPC */
+#if defined(__PPC) && defined(__sun__)
+# if (WITH_HOST_BYTE_ORDER == 0)
+# undef WITH_HOST_BYTE_ORDER
+# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
+# endif
+# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
+# error "Solaris on PowerPCs was little endian last time I looked ..."
+# endif
+#endif
+
+/* HP/PA */
+#if defined(__hppa__)
+# if (WITH_HOST_BYTE_ORDER == 0)
+# undef WITH_HOST_BYTE_ORDER
+# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
+# endif
+# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
+# error "HP/PA was big endian last time I looked ..."
+# endif
+#endif
+
+/* Big endian MIPS */
+#if defined(__MIPSEB__)
+# if (WITH_HOST_BYTE_ORDER == 0)
+# undef WITH_HOST_BYTE_ORDER
+# define WITH_HOST_BYTE_ORDER BIG_ENDIAN
+# endif
+# if (WITH_HOST_BYTE_ORDER != BIG_ENDIAN)
+# error "MIPSEB was big endian last time I looked ..."
+# endif
+#endif
+
+/* Little endian MIPS */
+#if defined(__MIPSEL__)
+# if (WITH_HOST_BYTE_ORDER == 0)
+# undef WITH_HOST_BYTE_ORDER
+# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
+# endif
+# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
+# error "MIPSEL was little endian last time I looked ..."
+# endif
+#endif
+
+/* Windows NT */
+#if defined(__WIN32__)
+# if (WITH_HOST_BYTE_ORDER == 0)
+# undef WITH_HOST_BYTE_ORDER
+# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
+# endif
+# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
+# error "Windows NT was little endian last time I looked ..."
+# endif
+#endif
+
+/* Alpha running DEC unix */
+#if defined(__osf__) && defined(__alpha__)
+# if (WITH_HOST_BYTE_ORDER == 0)
+# undef WITH_HOST_BYTE_ORDER
+# define WITH_HOST_BYTE_ORDER LITTLE_ENDIAN
+# endif
+# if (WITH_HOST_BYTE_ORDER != LITTLE_ENDIAN)
+# error "AXP running DEC unix was little endian last time I looked ..."
+# endif
+#endif
+
+
+/* INSERT HERE - additional hosts that do not have LITTLE_ENDIAN and
+ BIG_ENDIAN definitions available. */
+
/* endianness of the host/target:
+/* Most significant bit of target:
+
+ Set this according to your target's bit numbering convention. For
+ the PowerPC it is zero, for many other targets it is 31 or 63.
+
+ For targets that can both have either 32 or 64 bit words and number
+ MSB as 31, 63. Define this to be (WITH_TARGET_WORD_BITSIZE - 1) */
+
+#ifndef WITH_TARGET_WORD_MSB
+#define WITH_TARGET_WORD_MSB 0
+#endif
+
+
+
/* Program environment:
Three environments are available - UEA (user), VEA (virtual) and
#error "N must be #defined"
#endif
+#include "sim-xcat.h"
+
/* NOTE: See end of file for #undef */
#define unsignedN XCONCAT2(unsigned,N)
#define signedN XCONCAT2(signed,N)
#define MASKEDn XCONCAT2(MASKED,N)
#define MASKn XCONCAT2(MASK,N)
#define LSMASKEDn XCONCAT2(LSMASKED,N)
+#define LSMASKn XCONCAT2(LSMASK,N)
+#define MSMASKEDn XCONCAT2(MSMASKED,N)
+#define MSMASKn XCONCAT2(MSMASK,N)
#define EXTRACTEDn XCONCAT2(EXTRACTED,N)
#define INSERTEDn XCONCAT2(INSERTED,N)
#define ROTn XCONCAT2(ROT,N)
INLINE_SIM_BITS\
(unsignedN)
-MASKEDn(unsignedN word,
- unsigned start,
- unsigned stop)
+MASKEDn (unsignedN word,
+ unsigned start,
+ unsigned stop)
{
- return (word & MASKn(start, stop));
+ return (word & MASKn (start, stop));
}
INLINE_SIM_BITS\
(unsignedN)
-LSMASKEDn(unsignedN word,
- unsigned nr_bits)
+LSMASKEDn (unsignedN word,
+ unsigned nr_bits)
{
- return (word & MASKn(N - nr_bits, N - 1));
+ return (word & LSMASKn (nr_bits));
}
INLINE_SIM_BITS\
(unsignedN)
-EXTRACTEDn(unsignedN val,
- unsigned start,
- unsigned stop)
+MSMASKEDn (unsignedN word,
+ unsigned nr_bits)
{
- return LSMASKEDn((((unsignedN)(val)) >> (N - stop - 1)),
- stop - start + 1);
+ return (word & MSMASKn (nr_bits));
}
INLINE_SIM_BITS\
(unsignedN)
-INSERTEDn(unsignedN val,
- unsigned start,
- unsigned stop)
+EXTRACTEDn (unsignedN val,
+ unsigned start,
+ unsigned stop)
{
- return (((unsignedN)(val)
- << _MAKE_SHIFT(N, stop))
- & MASKn(start, stop));
+ val <<= _MSB_SHIFT (N, start);
+ val >>= (_MSB_SHIFT (N, start) + _LSB_SHIFT (N, stop));
+ return val;
}
INLINE_SIM_BITS\
(unsignedN)
-ROTn(unsignedN val,
- int shift)
+INSERTEDn (unsignedN val,
+ unsigned start,
+ unsigned stop)
+{
+ val &= LSMASKn (_MAKE_WIDTH (start, stop));
+ val <<= _LSB_SHIFT (N, stop);
+ return val;
+}
+
+
+INLINE_SIM_BITS\
+(unsignedN)
+ROTn (unsignedN val,
+ int shift)
{
- unsignedN result;
if (shift > 0)
- return ROTRn(val, shift);
+ return ROTRn (val, shift);
else if (shift < 0)
- return ROTLn(val, -shift);
+ return ROTLn (val, -shift);
else
return val;
}
INLINE_SIM_BITS\
(unsignedN)
-ROTLn(unsignedN val,
- unsigned shift)
+ROTLn (unsignedN val,
+ unsigned shift)
{
unsignedN result;
- ASSERT(shift <= N);
+ ASSERT (shift <= N);
result = (((val) << (shift)) | ((val) >> ((N)-(shift))));
return result;
}
INLINE_SIM_BITS\
(unsignedN)
-ROTRn(unsignedN val,
- unsigned shift)
+ROTRn (unsignedN val,
+ unsigned shift)
{
unsignedN result;
- ASSERT(shift <= N);
+ ASSERT (shift <= N);
result = (((val) >> (shift)) | ((val) << ((N)-(shift))));
return result;
}
INLINE_SIM_BITS\
(unsignedN)
-SEXTn(signedN val,
- unsigned sign_bit)
+SEXTn (signedN val,
+ unsigned sign_bit)
{
/* make the sign-bit most significant and then smear it back into
position */
- ASSERT(sign_bit < N);
- return (val << sign_bit) >> sign_bit;
+ ASSERT (sign_bit < N);
+ val <<= _MSB_SHIFT (N, sign_bit);
+ val >>= _MSB_SHIFT (N, sign_bit);
+ return val;
}
#undef INSERTEDn
#undef EXTRACTEDn
#undef LSMASKEDn
+#undef LSMASKn
+#undef MSMASKEDn
+#undef MSMASKn
#undef MASKn
#undef MASKEDn
#undef signedN
Things-to-lose:
+common
+
Do-last:
d30v_files="configure configure.in ChangeLog Makefile.in"
--- /dev/null
+CFLAGS = -Wall -Werror -I../../common -I../../../include -g
+
+check: bits32m0.ok bits32m31.ok bits64m0.ok bits64m63.ok
+
+clean:
+ rm -f *.o
+ rm -f *.ok
+ rm -f bits32m0 bits32m31 bits64m0 bits64m63 bits-gen
+ rm -f tmp-*
+
+.SUFIXES: .ok
+%.ok: %
+ ./$<
+ touch $<.ok
+
+all: bits32m0 bits32m31 bits64m0 bits64m63
+
+bits32m0.c: bits-gen bits-tst.c
+ ./bits-gen 32 0 > tmp-bits32m0.c
+ cat bits-tst.c >> tmp-bits32m0.c
+ mv tmp-bits32m0.c bits32m0.c
+bits32m31.c: bits-gen bits-tst.c
+ ./bits-gen 32 31 > tmp-bits32m31.c
+ cat bits-tst.c >> tmp-bits32m31.c
+ mv tmp-bits32m31.c bits32m31.c
+bits64m0.c: bits-gen bits-tst.c
+ ./bits-gen 64 0 > tmp-bits64m0.c
+ cat bits-tst.c >> tmp-bits64m0.c
+ mv tmp-bits64m0.c bits64m0.c
+bits64m63.c: bits-gen bits-tst.c
+ ./bits-gen 64 63 > tmp-bits64m63.c
+ cat bits-tst.c >> tmp-bits64m63.c
+ mv tmp-bits64m63.c bits64m63.c
projects / binutils-gdb.git / commitdiff