Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 409 insertions, 0 deletions

diff --git a/sim/ppc/sim-endian.h b/sim/ppc/sim-endian.h
new file mode 100644
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--- /dev/null
+++ b/sim/ppc/sim-endian.h
@@ -0,0 +1,409 @@
+/*  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 _SIM_ENDIAN_H_
+#define _SIM_ENDIAN_H_
+
+
+/* C byte conversion functions */
+
+INLINE_SIM_ENDIAN(unsigned_1) endian_h2t_1(unsigned_1 x);
+INLINE_SIM_ENDIAN(unsigned_2) endian_h2t_2(unsigned_2 x);
+INLINE_SIM_ENDIAN(unsigned_4) endian_h2t_4(unsigned_4 x);
+INLINE_SIM_ENDIAN(unsigned_8) endian_h2t_8(unsigned_8 x);
+
+INLINE_SIM_ENDIAN(unsigned_1) endian_t2h_1(unsigned_1 x);
+INLINE_SIM_ENDIAN(unsigned_2) endian_t2h_2(unsigned_2 x);
+INLINE_SIM_ENDIAN(unsigned_4) endian_t2h_4(unsigned_4 x);
+INLINE_SIM_ENDIAN(unsigned_8) endian_t2h_8(unsigned_8 x);
+
+INLINE_SIM_ENDIAN(unsigned_1) swap_1(unsigned_1 x);
+INLINE_SIM_ENDIAN(unsigned_2) swap_2(unsigned_2 x);
+INLINE_SIM_ENDIAN(unsigned_4) swap_4(unsigned_4 x);
+INLINE_SIM_ENDIAN(unsigned_8) swap_8(unsigned_8 x);
+
+INLINE_SIM_ENDIAN(unsigned_1) endian_h2be_1(unsigned_1 x);
+INLINE_SIM_ENDIAN(unsigned_2) endian_h2be_2(unsigned_2 x);
+INLINE_SIM_ENDIAN(unsigned_4) endian_h2be_4(unsigned_4 x);
+INLINE_SIM_ENDIAN(unsigned_8) endian_h2be_8(unsigned_8 x);
+
+INLINE_SIM_ENDIAN(unsigned_1) endian_be2h_1(unsigned_1 x);
+INLINE_SIM_ENDIAN(unsigned_2) endian_be2h_2(unsigned_2 x);
+INLINE_SIM_ENDIAN(unsigned_4) endian_be2h_4(unsigned_4 x);
+INLINE_SIM_ENDIAN(unsigned_8) endian_be2h_8(unsigned_8 x);
+
+INLINE_SIM_ENDIAN(unsigned_1) endian_h2le_1(unsigned_1 x);
+INLINE_SIM_ENDIAN(unsigned_2) endian_h2le_2(unsigned_2 x);
+INLINE_SIM_ENDIAN(unsigned_4) endian_h2le_4(unsigned_4 x);
+INLINE_SIM_ENDIAN(unsigned_8) endian_h2le_8(unsigned_8 x);
+
+INLINE_SIM_ENDIAN(unsigned_1) endian_le2h_1(unsigned_1 x);
+INLINE_SIM_ENDIAN(unsigned_2) endian_le2h_2(unsigned_2 x);
+INLINE_SIM_ENDIAN(unsigned_4) endian_le2h_4(unsigned_4 x);
+INLINE_SIM_ENDIAN(unsigned_8) endian_le2h_8(unsigned_8 x);
+
+
+/* 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.  */
+
+/* SWAP */
+
+#define SWAP_1(X) swap_1(X)
+#define SWAP_2(X) swap_2(X)
+#define SWAP_4(X) swap_4(X)
+#define SWAP_8(X) swap_8(X)
+
+
+/* HOST to BE */
+
+#define H2BE_1(X) endian_h2be_1(X)
+#define H2BE_2(X) endian_h2be_2(X)
+#define H2BE_4(X) endian_h2be_4(X)
+#define H2BE_8(X) endian_h2be_8(X)
+#define BE2H_1(X) endian_be2h_1(X)
+#define BE2H_2(X) endian_be2h_2(X)
+#define BE2H_4(X) endian_be2h_4(X)
+#define BE2H_8(X) endian_be2h_8(X)
+
+
+/* HOST to LE */
+
+#define H2LE_1(X) endian_h2le_1(X)
+#define H2LE_2(X) endian_h2le_2(X)
+#define H2LE_4(X) endian_h2le_4(X)
+#define H2LE_8(X) endian_h2le_8(X)
+#define LE2H_1(X) endian_le2h_1(X)
+#define LE2H_2(X) endian_le2h_2(X)
+#define LE2H_4(X) endian_le2h_4(X)
+#define LE2H_8(X) endian_le2h_8(X)
+
+
+/* HOST to TARGET */
+
+#define H2T_1(X) endian_h2t_1(X)
+#define H2T_2(X) endian_h2t_2(X)
+#define H2T_4(X) endian_h2t_4(X)
+#define H2T_8(X) endian_h2t_8(X)
+#define T2H_1(X) endian_t2h_1(X)
+#define T2H_2(X) endian_t2h_2(X)
+#define T2H_4(X) endian_t2h_4(X)
+#define T2H_8(X) endian_t2h_8(X)
+
+
+/* CONVERT IN PLACE
+
+   These macros, given an argument of unknown size, swap its value in
+   place if a host/target conversion is required. */
+
+#define H2T(VARIABLE) \
+do { \
+  switch (sizeof(VARIABLE)) { \
+  case 1: VARIABLE = H2T_1(VARIABLE); break; \
+  case 2: VARIABLE = H2T_2(VARIABLE); break; \
+  case 4: VARIABLE = H2T_4(VARIABLE); break; \
+  case 8: VARIABLE = H2T_8(VARIABLE); break; \
+  } \
+} while (0)
+
+#define T2H(VARIABLE) \
+do { \
+  switch (sizeof(VARIABLE)) { \
+  case 1: VARIABLE = T2H_1(VARIABLE); break; \
+  case 2: VARIABLE = T2H_2(VARIABLE); break; \
+  case 4: VARIABLE = T2H_4(VARIABLE); break; \
+  case 8: VARIABLE = T2H_8(VARIABLE); break; \
+  } \
+} while (0)
+
+#define SWAP(VARIABLE) \
+do { \
+  switch (sizeof(VARIABLE)) { \
+  case 1: VARIABLE = SWAP_1(VARIABLE); break; \
+  case 2: VARIABLE = SWAP_2(VARIABLE); break; \
+  case 4: VARIABLE = SWAP_4(VARIABLE); break; \
+  case 8: VARIABLE = SWAP_8(VARIABLE); break; \
+  } \
+} while (0)
+
+#define H2BE(VARIABLE) \
+do { \
+  switch (sizeof(VARIABLE)) { \
+  case 1: VARIABLE = H2BE_1(VARIABLE); break; \
+  case 2: VARIABLE = H2BE_2(VARIABLE); break; \
+  case 4: VARIABLE = H2BE_4(VARIABLE); break; \
+  case 8: VARIABLE = H2BE_8(VARIABLE); break; \
+  } \
+} while (0)
+
+#define BE2H(VARIABLE) \
+do { \
+  switch (sizeof(VARIABLE)) { \
+  case 1: VARIABLE = BE2H_1(VARIABLE); break; \
+  case 2: VARIABLE = BE2H_2(VARIABLE); break; \
+  case 4: VARIABLE = BE2H_4(VARIABLE); break; \
+  case 8: VARIABLE = BE2H_8(VARIABLE); break; \
+  } \
+} while (0)
+
+#define H2LE(VARIABLE) \
+do { \
+  switch (sizeof(VARIABLE)) { \
+  case 1: VARIABLE = H2LE_1(VARIABLE); break; \
+  case 2: VARIABLE = H2LE_2(VARIABLE); break; \
+  case 4: VARIABLE = H2LE_4(VARIABLE); break; \
+  case 8: VARIABLE = H2LE_8(VARIABLE); break; \
+  } \
+} while (0)
+
+#define LE2H(VARIABLE) \
+do { \
+  switch (sizeof(VARIABLE)) { \
+  case 1: VARIABLE = LE2H_1(VARIABLE); break; \
+  case 2: VARIABLE = LE2H_2(VARIABLE); break; \
+  case 4: VARIABLE = LE2H_4(VARIABLE); break; \
+  case 8: VARIABLE = LE2H_8(VARIABLE); break; \
+  } \
+} while (0)
+
+
+
+/* TARGET WORD:
+
+   Byte swap a quantity the size of the targets word */
+
+#if (WITH_TARGET_WORD_BITSIZE == 64)
+#define H2T_word(X) H2T_8(X)
+#define T2H_word(X) T2H_8(X)
+#define H2BE_word(X) H2BE_8(X)
+#define BE2H_word(X) BE2H_8(X)
+#define H2LE_word(X) H2LE_8(X)
+#define LE2H_word(X) LE2H_8(X)
+#define SWAP_word(X) SWAP_8(X)
+#endif
+#if (WITH_TARGET_WORD_BITSIZE == 32)
+#define H2T_word(X) H2T_4(X)
+#define T2H_word(X) T2H_4(X)
+#define H2BE_word(X) H2BE_4(X)
+#define BE2H_word(X) BE2H_4(X)
+#define H2LE_word(X) H2LE_4(X)
+#define LE2H_word(X) LE2H_4(X)
+#define SWAP_word(X) SWAP_4(X)
+#endif
+
+
+/* TARGET CELL:
+
+   Byte swap a quantity the size of the targets IEEE 1275 memory cell */
+
+#define H2T_cell(X) H2T_4(X)
+#define T2H_cell(X) T2H_4(X)
+#define H2BE_cell(X) H2BE_4(X)
+#define BE2H_cell(X) BE2H_4(X)
+#define H2LE_cell(X) H2LE_4(X)
+#define LE2H_cell(X) LE2H_4(X)
+#define SWAP_cell(X) SWAP_4(X)
+
+
+#if (SIM_ENDIAN_INLINE & INCLUDE_MODULE)
+# include "sim-endian.c"
+#endif
+
+#endif /* _SIM_ENDIAN_H_ */