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Diffstat (limited to 'sim/common/sim-bits.c')
| -rw-r--r-- | sim/common/sim-bits.c | 273 |
1 files changed, 0 insertions, 273 deletions
diff --git a/sim/common/sim-bits.c b/sim/common/sim-bits.c deleted file mode 100644 index da07ff7..0000000 --- a/sim/common/sim-bits.c +++ /dev/null @@ -1,273 +0,0 @@ -/* The common simulator framework for GDB, the GNU Debugger. - - Copyright 2002 Free Software Foundation, Inc. - - Contributed by Andrew Cagney and Red Hat. - - This file is part of GDB. - - 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_BITS_C_ -#define _SIM_BITS_C_ - -#include "sim-basics.h" -#include "sim-assert.h" -#include "sim-io.h" - - -INLINE_SIM_BITS\ -(unsigned_word) -LSMASKED (unsigned_word val, - int start, - int stop) -{ - /* NOTE - start, stop can wrap */ - val &= LSMASK (start, stop); - return val; -} - - -INLINE_SIM_BITS\ -(unsigned_word) -MSMASKED (unsigned_word val, - int start, - int stop) -{ - /* NOTE - start, stop can wrap */ - val &= MSMASK (start, stop); - return val; -} - - -INLINE_SIM_BITS\ -(unsigned_word) -LSEXTRACTED (unsigned_word val, - int start, - int stop) -{ - ASSERT (start >= stop); -#if (WITH_TARGET_WORD_BITSIZE == 64) - return LSEXTRACTED64 (val, start, stop); -#endif -#if (WITH_TARGET_WORD_BITSIZE == 32) - if (stop >= 32) - return 0; - else - { - if (start < 32) - val &= LSMASK (start, 0); - val >>= stop; - return val; - } -#endif -#if (WITH_TARGET_WORD_BITSIZE == 16) - if (stop >= 16) - return 0; - else - { - if (start < 16) - val &= LSMASK (start, 0); - val >>= stop; - return val; - } -#endif -} - - -INLINE_SIM_BITS\ -(unsigned_word) -MSEXTRACTED (unsigned_word val, - int start, - int stop) -{ - ASSERT (start <= stop); -#if (WITH_TARGET_WORD_BITSIZE == 64) - return MSEXTRACTED64 (val, start, stop); -#endif -#if (WITH_TARGET_WORD_BITSIZE == 32) - if (stop < 32) - return 0; - else - { - if (start >= 32) - val &= MSMASK (start, 64 - 1); - val >>= (64 - stop - 1); - return val; - } -#endif -#if (WITH_TARGET_WORD_BITSIZE == 16) - if (stop < 16) - return 0; - else - { - if (start >= 16) - val &= MSMASK (start, 64 - 1); - val >>= (64 - stop - 1); - return val; - } -#endif -} - - -INLINE_SIM_BITS\ -(unsigned_word) -LSINSERTED (unsigned_word val, - int start, - int stop) -{ - ASSERT (start >= stop); -#if (WITH_TARGET_WORD_BITSIZE == 64) - return LSINSERTED64 (val, start, stop); -#endif -#if (WITH_TARGET_WORD_BITSIZE == 32) - /* Bit numbers are 63..0, even for 32 bit targets. - On 32 bit targets we ignore 63..32 */ - if (stop >= 32) - return 0; - else - { - val <<= stop; - val &= LSMASK (start, stop); - return val; - } -#endif -#if (WITH_TARGET_WORD_BITSIZE == 16) - /* Bit numbers are 63..0, even for 16 bit targets. - On 16 bit targets we ignore 63..16 */ - if (stop >= 16) - return 0; - else - { - val <<= stop; - val &= LSMASK (start, stop); - return val; - } -#endif -} - -INLINE_SIM_BITS\ -(unsigned_word) -MSINSERTED (unsigned_word val, - int start, - int stop) -{ - ASSERT (start <= stop); -#if (WITH_TARGET_WORD_BITSIZE == 64) - return MSINSERTED64 (val, start, stop); -#endif -#if (WITH_TARGET_WORD_BITSIZE == 32) - /* Bit numbers are 0..63, even for 32 bit targets. - On 32 bit targets we ignore 0..31. */ - if (stop < 32) - return 0; - else - { - val <<= ((64 - 1) - stop); - val &= MSMASK (start, stop); - return val; - } -#endif -#if (WITH_TARGET_WORD_BITSIZE == 16) - /* Bit numbers are 0..63, even for 16 bit targets. - On 16 bit targets we ignore 0..47. */ - if (stop < 32 + 16) - return 0; - else - { - val <<= ((64 - 1) - stop); - val &= MSMASK (start, stop); - return val; - } -#endif -} - - - -INLINE_SIM_BITS\ -(unsigned_word) -LSSEXT (signed_word val, - int sign_bit) -{ - ASSERT (sign_bit < 64); -#if (WITH_TARGET_WORD_BITSIZE == 64) - return LSSEXT64 (val, sign_bit); -#endif -#if (WITH_TARGET_WORD_BITSIZE == 32) - if (sign_bit >= 32) - return val; - else { - val = LSSEXT32 (val, sign_bit); - return val; - } -#endif -#if (WITH_TARGET_WORD_BITSIZE == 16) - if (sign_bit >= 16) - return val; - else { - val = LSSEXT16 (val, sign_bit); - return val; - } -#endif -} - -INLINE_SIM_BITS\ -(unsigned_word) -MSSEXT (signed_word val, - int sign_bit) -{ - ASSERT (sign_bit < 64); -#if (WITH_TARGET_WORD_BITSIZE == 64) - return MSSEXT64 (val, sign_bit); -#endif -#if (WITH_TARGET_WORD_BITSIZE == 32) - if (sign_bit < 32) - return val; - else { - val = MSSEXT32 (val, sign_bit - 32); - return val; - } -#endif -#if (WITH_TARGET_WORD_BITSIZE == 16) - if (sign_bit < 32 + 16) - return val; - else { - val = MSSEXT16 (val, sign_bit - 32 - 16); - return val; - } -#endif -} - - - -#define N 8 -#include "sim-n-bits.h" -#undef N - -#define N 16 -#include "sim-n-bits.h" -#undef N - -#define N 32 -#include "sim-n-bits.h" -#undef N - -#define N 64 -#include "sim-n-bits.h" -#undef N - -#endif /* _SIM_BITS_C_ */ |