Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 169 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..c53e05a
--- /dev/null
+++ b/sim/common/sim-n-endian.h
@@ -0,0 +1,169 @@
+/*  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
+
+#include "symcat.h"
+
+/* 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)
+
+/* TAGS: endian_t2h_1 endian_t2h_2 endian_t2h_4 endian_t2h_8 endian_t2h_16 */
+
+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);
+  }
+}
+
+/* TAGS: endian_h2t_1 endian_h2t_2 endian_h2t_4 endian_h2t_8 endian_h2t_16 */
+
+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);
+  }
+}
+
+/* TAGS: swap_1 swap_2 swap_4 swap_8 swap_16 */
+
+INLINE_SIM_ENDIAN\
+(unsigned_N)
+swap_N(unsigned_N raw_in)
+{
+  _SWAP_N(return,raw_in);
+}
+
+/* TAGS: endian_h2be_1 endian_h2be_2 endian_h2be_4 endian_h2be_8 endian_h2be_16 */
+
+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);
+  }
+}
+
+/* TAGS: endian_be2h_1 endian_be2h_2 endian_be2h_4 endian_be2h_8 endian_be2h_16 */
+
+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);
+  }
+}
+
+/* TAGS: endian_h2le_1 endian_h2le_2 endian_h2le_4 endian_h2le_8 endian_h2le_16 */
+
+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);
+  }
+}
+
+/* TAGS: endian_le2h_1 endian_le2h_2 endian_le2h_4 endian_le2h_8 endian_le2h_16 */
+
+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);
+  }
+}
+
+/* TAGS: offset_1 offset_2 offset_4 offset_8 offset_16 */
+
+INLINE_SIM_ENDIAN\
+(void*)
+offset_N (unsigned_N *x,
+	  unsigned sizeof_word,
+	  unsigned word)
+{
+  char *in = (char*)x;
+  char *out;
+  unsigned offset = sizeof_word * word;
+  ASSERT (offset + sizeof_word <= sizeof(unsigned_N));
+  ASSERT (word < (sizeof (unsigned_N) / sizeof_word));
+  ASSERT ((sizeof (unsigned_N) % sizeof_word) == 0);
+  if (WITH_HOST_BYTE_ORDER == LITTLE_ENDIAN)
+    {
+      out = in + sizeof (unsigned_N) - offset - sizeof_word;
+    }
+  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