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authorAndrew Cagney <cagney@redhat.com>1997-03-14 15:13:58 +0000
committerAndrew Cagney <cagney@redhat.com>1997-03-14 15:13:58 +0000
commitf2de7dfd8cf1ffd6edc7ed650e709c7fa4488da1 (patch)
tree45023095bbd84ccadf676659aa9cc9220536793f /sim/common/sim-n-endian.h
parent35a78bd09b847d649fd42802049b5160ea1cea4a (diff)
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Add a number of per-simulator options: hostendian, endian, inline, warnings.
Rename *-n.h files to be dos compatible
Diffstat (limited to 'sim/common/sim-n-endian.h')
-rw-r--r--sim/common/sim-n-endian.h159
1 files changed, 159 insertions, 0 deletions
diff --git a/sim/common/sim-n-endian.h b/sim/common/sim-n-endian.h
new file mode 100644
index 0000000..840b467
--- /dev/null
+++ b/sim/common/sim-n-endian.h
@@ -0,0 +1,159 @@
+/* This file is part of the program psim.
+
+ Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
+
+ 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 N
+#error "N must be #defined"
+#endif
+
+/* NOTE: See end of file for #undef */
+#define unsigned_N XCONCAT2(unsigned_,N)
+#define endian_t2h_N XCONCAT2(endian_t2h_,N)
+#define endian_h2t_N XCONCAT2(endian_h2t_,N)
+#define _SWAP_N XCONCAT2(_SWAP_,N)
+#define swap_N XCONCAT2(swap_,N)
+#define endian_h2be_N XCONCAT2(endian_h2be_,N)
+#define endian_be2h_N XCONCAT2(endian_be2h_,N)
+#define endian_h2le_N XCONCAT2(endian_h2le_,N)
+#define endian_le2h_N XCONCAT2(endian_le2h_,N)
+#define offset_N XCONCAT2(offset_,N)
+
+
+INLINE_SIM_ENDIAN\
+(unsigned_N)
+endian_t2h_N(unsigned_N raw_in)
+{
+ if (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER) {
+ return raw_in;
+ }
+ else {
+ _SWAP_N(return,raw_in);
+ }
+}
+
+
+INLINE_SIM_ENDIAN\
+(unsigned_N)
+endian_h2t_N(unsigned_N raw_in)
+{
+ if (CURRENT_TARGET_BYTE_ORDER == CURRENT_HOST_BYTE_ORDER) {
+ return raw_in;
+ }
+ else {
+ _SWAP_N(return,raw_in);
+ }
+}
+
+
+INLINE_SIM_ENDIAN\
+(unsigned_N)
+swap_N(unsigned_N raw_in)
+{
+ _SWAP_N(return,raw_in);
+}
+
+
+
+INLINE_SIM_ENDIAN\
+(unsigned_N)
+endian_h2be_N(unsigned_N raw_in)
+{
+ if (CURRENT_HOST_BYTE_ORDER == BIG_ENDIAN) {
+ return raw_in;
+ }
+ else {
+ _SWAP_N(return,raw_in);
+ }
+}
+
+
+INLINE_SIM_ENDIAN\
+(unsigned_N)
+endian_be2h_N(unsigned_N raw_in)
+{
+ if (CURRENT_HOST_BYTE_ORDER == BIG_ENDIAN) {
+ return raw_in;
+ }
+ else {
+ _SWAP_N(return,raw_in);
+ }
+}
+
+
+INLINE_SIM_ENDIAN\
+(unsigned_N)
+endian_h2le_N(unsigned_N raw_in)
+{
+ if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) {
+ return raw_in;
+ }
+ else {
+ _SWAP_N(return,raw_in);
+ }
+}
+
+
+INLINE_SIM_ENDIAN\
+(unsigned_N)
+endian_le2h_N(unsigned_N raw_in)
+{
+ if (CURRENT_HOST_BYTE_ORDER == LITTLE_ENDIAN) {
+ return raw_in;
+ }
+ else {
+ _SWAP_N(return,raw_in);
+ }
+}
+
+
+
+INLINE_SIM_ENDIAN\
+(void*)
+offset_N(unsigned_N *x,
+ int sizeof_word,
+ int word)
+{
+ char *in = (char*)x;
+ char *out;
+ int offset = sizeof_word * word;
+ ASSERT(offset + sizeof_word <= sizeof(unsigned_N));
+ ASSERT(word < (sizeof_word / sizeof(unsigned_N)));
+ ASSERT((sizeof(unsigned_N) % sizeof_word) == 0);
+ if (WITH_HOST_BYTE_ORDER == LITTLE_ENDIAN) {
+ out = in + sizeof(unsigned_N) - offset;
+ }
+ else {
+ out = in + offset;
+ }
+ return out;
+}
+
+
+/* NOTE: See start of file for #define */
+#undef unsigned_N
+#undef endian_t2h_N
+#undef endian_h2t_N
+#undef _SWAP_N
+#undef swap_N
+#undef endian_h2be_N
+#undef endian_be2h_N
+#undef endian_h2le_N
+#undef endian_le2h_N
+#undef offset_N