2006-11-14 Maxim Grigoriev <maxim@tensilica.com>

	* NEWS: New port to Xtensa.
	* Makefile.in: Add dependencies for Xtensa files.
	* configure.tgt (xtensa*, xtensa*-*-elf*): New.
	* configure.host (xtensa*-*-elf*): New.
	* config/xtensa/xtensa.mt: New file.
	* xtensa-config.c: New file.
	* xtensa-tdep.h: New file.
	* xtensa-tdep.c: New file.

2006-11-14  Maxim Grigoriev  <maxim@tensilica.com>

	* gdb.texinfo (Contributors): Add contributors of Xtensa port.

1 files changed, 563 insertions, 0 deletions

diff --git a/gdb/xtensa-config.c b/gdb/xtensa-config.c
new file mode 100644
index 0000000..f904556
--- /dev/null
+++ b/gdb/xtensa-config.c
@@ -0,0 +1,563 @@
+/* Configuration for the Xtensa architecture for GDB, the GNU debugger.
+
+   Copyright (C) 2003, 2005, 2006 Free Software Foundation, Inc.
+
+   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., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
+
+#include "xtensa-config.h"
+#include "defs.h"
+#include "gdbarch.h"
+#include "xtensa-tdep.h"
+#include "gdbtypes.h"
+
+/* Check version of configuration file.  */
+#define XTENSA_CONFIG_VERSION 0x60
+#if XTENSA_TDEP_VERSION != XTENSA_CONFIG_VERSION
+#warning "xtensa-config.c version mismatch!"
+#endif
+
+
+/* Return the byte order from the configuration.
+   We need this function, because the byte order is needed even
+   before the target structure (tdep) has been set up.  */
+
+int
+xtensa_config_byte_order (void)
+{
+  return XCHAL_HAVE_BE ? BFD_ENDIAN_BIG : BFD_ENDIAN_LITTLE;
+}
+
+
+/* This routine returns the predefined architecture-dependent
+   parameter structure (tdep) and register map.  */
+
+struct gdbarch_tdep xtensa_tdep;
+
+struct gdbarch_tdep *
+xtensa_config_tdep (struct gdbarch_info *info)
+{
+  return &xtensa_tdep;
+}
+
+
+/* Masked registers.  */
+const int mask0[] = { 1, 96, 0, 4  };
+const int mask1[] = { 1, 96, 5, 1  };
+const int mask2[] = { 1, 96, 18, 1  };
+const int mask3[] = { 1, 96, 6, 2  };
+const int mask4[] = { 1, 96, 4, 1  };
+const int mask5[] = { 1, 96, 16, 2  };
+const int mask6[] = { 1, 96, 8, 4  };
+const int mask7[] = { 1, 95, 12, 20  };
+const int mask8[] = { 1, 95, 0, 1  };
+const int mask9[] = { 1, 108, 8, 4  };
+const int mask10[] = { 1, 109, 24, 8  };
+const int mask11[] = { 1, 109, 16, 8  };
+const int mask12[] = { 1, 109, 8, 8  };
+const int mask13[] = { 1, 110, 16, 2  };
+const int mask14[] = { 1, 111, 16, 2  };
+const int mask15[] = { 1, 67, 22, 10  };
+
+
+/* Register map.  */
+xtensa_register_t rmap[] = 
+{
+  { /* 0000 */ "ar0", 0, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000100, 0x0006, 0, 
+    0, 0 },
+  { /* 0001 */ "ar1", 4, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000101, 0x0006, 0, 
+    0, 0 },
+  { /* 0002 */ "ar2", 8, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000102, 0x0006, 0, 
+    0, 0 },
+  { /* 0003 */ "ar3", 12, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000103, 0x0006, 0, 
+    0, 0 },
+  { /* 0004 */ "ar4", 16, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000104, 0x0006, 0, 
+    0, 0 },
+  { /* 0005 */ "ar5", 20, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000105, 0x0006, 0, 
+    0, 0 },
+  { /* 0006 */ "ar6", 24, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000106, 0x0006, 0, 
+    0, 0 },
+  { /* 0007 */ "ar7", 28, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000107, 0x0006, 0, 
+    0, 0 },
+  { /* 0008 */ "ar8", 32, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000108, 0x0006, 0, 
+    0, 0 },
+  { /* 0009 */ "ar9", 36, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000109, 0x0006, 0, 
+    0, 0 },
+  { /* 0010 */ "ar10", 40, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000010a, 0x0006, 0, 
+    0, 0 },
+  { /* 0011 */ "ar11", 44, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000010b, 0x0006, 0, 
+    0, 0 },
+  { /* 0012 */ "ar12", 48, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000010c, 0x0006, 0, 
+    0, 0 },
+  { /* 0013 */ "ar13", 52, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000010d, 0x0006, 0, 
+    0, 0 },
+  { /* 0014 */ "ar14", 56, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000010e, 0x0006, 0, 
+    0, 0 },
+  { /* 0015 */ "ar15", 60, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000010f, 0x0006, 0, 
+    0, 0 },
+  { /* 0016 */ "ar16", 64, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000110, 0x0006, 0, 
+    0, 0 },
+  { /* 0017 */ "ar17", 68, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000111, 0x0006, 0, 
+    0, 0 },
+  { /* 0018 */ "ar18", 72, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000112, 0x0006, 0, 
+    0, 0 },
+  { /* 0019 */ "ar19", 76, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000113, 0x0006, 0, 
+    0, 0 },
+  { /* 0020 */ "ar20", 80, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000114, 0x0006, 0, 
+    0, 0 },
+  { /* 0021 */ "ar21", 84, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000115, 0x0006, 0, 
+    0, 0 },
+  { /* 0022 */ "ar22", 88, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000116, 0x0006, 0, 
+    0, 0 },
+  { /* 0023 */ "ar23", 92, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000117, 0x0006, 0, 
+    0, 0 },
+  { /* 0024 */ "ar24", 96, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000118, 0x0006, 0, 
+    0, 0 },
+  { /* 0025 */ "ar25", 100, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000119, 0x0006, 0, 
+    0, 0 },
+  { /* 0026 */ "ar26", 104, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000011a, 0x0006, 0, 
+    0, 0 },
+  { /* 0027 */ "ar27", 108, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000011b, 0x0006, 0, 
+    0, 0 },
+  { /* 0028 */ "ar28", 112, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000011c, 0x0006, 0, 
+    0, 0 },
+  { /* 0029 */ "ar29", 116, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000011d, 0x0006, 0, 
+    0, 0 },
+  { /* 0030 */ "ar30", 120, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000011e, 0x0006, 0, 
+    0, 0 },
+  { /* 0031 */ "ar31", 124, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000011f, 0x0006, 0, 
+    0, 0 },
+  { /* 0032 */ "ar32", 128, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000120, 0x0006, 0, 
+    0, 0 },
+  { /* 0033 */ "ar33", 132, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000121, 0x0006, 0, 
+    0, 0 },
+  { /* 0034 */ "ar34", 136, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000122, 0x0006, 0, 
+    0, 0 },
+  { /* 0035 */ "ar35", 140, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000123, 0x0006, 0, 
+    0, 0 },
+  { /* 0036 */ "ar36", 144, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000124, 0x0006, 0, 
+    0, 0 },
+  { /* 0037 */ "ar37", 148, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000125, 0x0006, 0, 
+    0, 0 },
+  { /* 0038 */ "ar38", 152, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000126, 0x0006, 0, 
+    0, 0 },
+  { /* 0039 */ "ar39", 156, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000127, 0x0006, 0, 
+    0, 0 },
+  { /* 0040 */ "ar40", 160, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000128, 0x0006, 0, 
+    0, 0 },
+  { /* 0041 */ "ar41", 164, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000129, 0x0006, 0, 
+    0, 0 },
+  { /* 0042 */ "ar42", 168, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000012a, 0x0006, 0, 
+    0, 0 },
+  { /* 0043 */ "ar43", 172, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000012b, 0x0006, 0, 
+    0, 0 },
+  { /* 0044 */ "ar44", 176, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000012c, 0x0006, 0, 
+    0, 0 },
+  { /* 0045 */ "ar45", 180, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000012d, 0x0006, 0, 
+    0, 0 },
+  { /* 0046 */ "ar46", 184, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000012e, 0x0006, 0, 
+    0, 0 },
+  { /* 0047 */ "ar47", 188, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000012f, 0x0006, 0, 
+    0, 0 },
+  { /* 0048 */ "ar48", 192, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000130, 0x0006, 0, 
+    0, 0 },
+  { /* 0049 */ "ar49", 196, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000131, 0x0006, 0, 
+    0, 0 },
+  { /* 0050 */ "ar50", 200, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000132, 0x0006, 0, 
+    0, 0 },
+  { /* 0051 */ "ar51", 204, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000133, 0x0006, 0, 
+    0, 0 },
+  { /* 0052 */ "ar52", 208, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000134, 0x0006, 0, 
+    0, 0 },
+  { /* 0053 */ "ar53", 212, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000135, 0x0006, 0, 
+    0, 0 },
+  { /* 0054 */ "ar54", 216, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000136, 0x0006, 0, 
+    0, 0 },
+  { /* 0055 */ "ar55", 220, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000137, 0x0006, 0, 
+    0, 0 },
+  { /* 0056 */ "ar56", 224, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000138, 0x0006, 0, 
+    0, 0 },
+  { /* 0057 */ "ar57", 228, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x00000139, 0x0006, 0, 
+    0, 0 },
+  { /* 0058 */ "ar58", 232, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000013a, 0x0006, 0, 
+    0, 0 },
+  { /* 0059 */ "ar59", 236, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000013b, 0x0006, 0, 
+    0, 0 },
+  { /* 0060 */ "ar60", 240, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000013c, 0x0006, 0, 
+    0, 0 },
+  { /* 0061 */ "ar61", 244, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000013d, 0x0006, 0, 
+    0, 0 },
+  { /* 0062 */ "ar62", 248, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000013e, 0x0006, 0, 
+    0, 0 },
+  { /* 0063 */ "ar63", 252, xtRegisterTypeArRegfile, 0x2, 0, 
+    32, 4, 4, 0x0000013f, 0x0006, 0, 
+    0, 0 },
+  { /* 0064 */ "lbeg", 256, xtRegisterTypeSpecialReg, 0x1100, 0, 
+    32, 4, 4, 0x00000200, 0x0006, 0, 
+    0, 0 },
+  { /* 0065 */ "lend", 260, xtRegisterTypeSpecialReg, 0x1100, 0, 
+    32, 4, 4, 0x00000201, 0x0006, 0, 
+    0, 0 },
+  { /* 0066 */ "lcount", 264, xtRegisterTypeSpecialReg, 0x1100, 0, 
+    32, 4, 4, 0x00000202, 0x0006, 0, 
+    0, 0 },
+  { /* 0067 */ "ptevaddr", 268, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x00000253, 0x0007, 0, 
+    0, 0 },
+  { /* 0068 */ "ddr", 272, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x00000268, 0x0007, 0, 
+    0, 0 },
+  { /* 0069 */ "interrupt", 276, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    17, 4, 4, 0x000002e2, 0x000b, 0, 
+    0, 0 },
+  { /* 0070 */ "intset", 280, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    17, 4, 4, 0x000002e2, 0x000d, 0, 
+    0, 0 },
+  { /* 0071 */ "intclear", 284, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    17, 4, 4, 0x000002e3, 0x000d, 0, 
+    0, 0 },
+  { /* 0072 */ "ccount", 288, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x000002ea, 0x000f, 0, 
+    0, 0 },
+  { /* 0073 */ "prid", 292, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x000002eb, 0x0003, 0, 
+    0, 0 },
+  { /* 0074 */ "icount", 296, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x000002ec, 0x000f, 0, 
+    0, 0 },
+  { /* 0075 */ "ccompare0", 300, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x000002f0, 0x000f, 0, 
+    0, 0 },
+  { /* 0076 */ "ccompare1", 304, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x000002f1, 0x000f, 0, 
+    0, 0 },
+  { /* 0077 */ "ccompare2", 308, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x000002f2, 0x000f, 0, 
+    0, 0 },
+  { /* 0078 */ "epc1", 312, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x000002b1, 0x0007, 0, 
+    0, 0 },
+  { /* 0079 */ "epc2", 316, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x000002b2, 0x0007, 0, 
+    0, 0 },
+  { /* 0080 */ "epc3", 320, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x000002b3, 0x0007, 0, 
+    0, 0 },
+  { /* 0081 */ "epc4", 324, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x000002b4, 0x0007, 0, 
+    0, 0 },
+  { /* 0082 */ "excsave1", 328, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x000002d1, 0x0007, 0, 
+    0, 0 },
+  { /* 0083 */ "excsave2", 332, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x000002d2, 0x0007, 0, 
+    0, 0 },
+  { /* 0084 */ "excsave3", 336, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x000002d3, 0x0007, 0, 
+    0, 0 },
+  { /* 0085 */ "excsave4", 340, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x000002d4, 0x0007, 0, 
+    0, 0 },
+  { /* 0086 */ "eps2", 344, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    19, 4, 4, 0x000002c2, 0x0007, 0, 
+    0, 0 },
+  { /* 0087 */ "eps3", 348, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    19, 4, 4, 0x000002c3, 0x0007, 0, 
+    0, 0 },
+  { /* 0088 */ "eps4", 352, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    19, 4, 4, 0x000002c4, 0x0007, 0, 
+    0, 0 },
+  { /* 0089 */ "exccause", 356, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    6, 4, 4, 0x000002e8, 0x0007, 0, 
+    0, 0 },
+  { /* 0090 */ "depc", 360, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x000002c0, 0x0007, 0, 
+    0, 0 },
+  { /* 0091 */ "excvaddr", 364, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x000002ee, 0x0007, 0, 
+    0, 0 },
+  { /* 0092 */ "windowbase", 368, xtRegisterTypeSpecialReg, 0x1002, 0, 
+    4, 4, 4, 0x00000248, 0x0007, 0, 
+    0, 0 },
+  { /* 0093 */ "windowstart", 372, xtRegisterTypeSpecialReg, 0x1002, 0, 
+    16, 4, 4, 0x00000249, 0x0007, 0, 
+    0, 0 },
+  { /* 0094 */ "sar", 376, xtRegisterTypeSpecialReg, 0x1100, 0, 
+    6, 4, 4, 0x00000203, 0x0006, 0, 
+    0, 0 },
+  { /* 0095 */ "litbase", 380, xtRegisterTypeSpecialReg, 0x1100, 0, 
+    32, 4, 4, 0x00000205, 0x0006, 0, 
+    0, 0 },
+  { /* 0096 */ "ps", 384, xtRegisterTypeSpecialReg, 0x1100, 0, 
+    19, 4, 4, 0x000002e6, 0x0007, 0, 
+    0, 0 },
+  { /* 0097 */ "misc0", 388, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x000002f4, 0x0007, 0, 
+    0, 0 },
+  { /* 0098 */ "misc1", 392, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x000002f5, 0x0007, 0, 
+    0, 0 },
+  { /* 0099 */ "intenable", 396, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    17, 4, 4, 0x000002e4, 0x0007, 0, 
+    0, 0 },
+  { /* 0100 */ "dbreaka0", 400, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x00000290, 0x0007, 0, 
+    0, 0 },
+  { /* 0101 */ "dbreakc0", 404, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x000002a0, 0x0007, 0, 
+    0, 0 },
+  { /* 0102 */ "dbreaka1", 408, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x00000291, 0x0007, 0, 
+    0, 0 },
+  { /* 0103 */ "dbreakc1", 412, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x000002a1, 0x0007, 0, 
+    0, 0 },
+  { /* 0104 */ "ibreaka0", 416, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x00000280, 0x0007, 0, 
+    0, 0 },
+  { /* 0105 */ "ibreaka1", 420, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x00000281, 0x0007, 0, 
+    0, 0 },
+  { /* 0106 */ "ibreakenable", 424, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    2, 4, 4, 0x00000260, 0x0007, 0, 
+    0, 0 },
+  { /* 0107 */ "icountlevel", 428, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    4, 4, 4, 0x000002ed, 0x0007, 0, 
+    0, 0 },
+  { /* 0108 */ "debugcause", 432, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    12, 4, 4, 0x000002e9, 0x0003, 0, 
+    0, 0 },
+  { /* 0109 */ "rasid", 436, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    32, 4, 4, 0x0000025a, 0x0007, 0, 
+    0, 0 },
+  { /* 0110 */ "itlbcfg", 440, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    18, 4, 4, 0x0000025b, 0x0007, 0, 
+    0, 0 },
+  { /* 0111 */ "dtlbcfg", 444, xtRegisterTypeSpecialReg, 0x1000, 0, 
+    18, 4, 4, 0x0000025c, 0x0007, 0, 
+    0, 0 },
+  { /* 0112 */ "threadptr", 448, xtRegisterTypeUserReg, 0x110, 0, 
+    32, 4, 4, 0x000003e7, 0x0006, 0, 
+    0, 0 },
+  { /* 0113 */ "pc", 452, xtRegisterTypeVirtual, 0x100, 0, 
+    32, 4, 4, 0x00000020, 0x0006, 0, 
+    0, 0 },
+  { /* 0114 */ "a0", 456, xtRegisterTypeWindow, 0x100, 0, 
+    32, 4, 4, 0x00000000, 0x0006, 0, 
+    0, 0 },
+  { /* 0115 */ "a1", 460, xtRegisterTypeWindow, 0x100, 0, 
+    32, 4, 4, 0x00000001, 0x0006, 0, 
+    0, 0 },
+  { /* 0116 */ "a2", 464, xtRegisterTypeWindow, 0x100, 0, 
+    32, 4, 4, 0x00000002, 0x0006, 0, 
+    0, 0 },
+  { /* 0117 */ "a3", 468, xtRegisterTypeWindow, 0x100, 0, 
+    32, 4, 4, 0x00000003, 0x0006, 0, 
+    0, 0 },
+  { /* 0118 */ "a4", 472, xtRegisterTypeWindow, 0x100, 0, 
+    32, 4, 4, 0x00000004, 0x0006, 0, 
+    0, 0 },
+  { /* 0119 */ "a5", 476, xtRegisterTypeWindow, 0x100, 0, 
+    32, 4, 4, 0x00000005, 0x0006, 0, 
+    0, 0 },
+  { /* 0120 */ "a6", 480, xtRegisterTypeWindow, 0x100, 0, 
+    32, 4, 4, 0x00000006, 0x0006, 0, 
+    0, 0 },
+  { /* 0121 */ "a7", 484, xtRegisterTypeWindow, 0x100, 0, 
+    32, 4, 4, 0x00000007, 0x0006, 0, 
+    0, 0 },
+  { /* 0122 */ "a8", 488, xtRegisterTypeWindow, 0x100, 0, 
+    32, 4, 4, 0x00000008, 0x0006, 0, 
+    0, 0 },
+  { /* 0123 */ "a9", 492, xtRegisterTypeWindow, 0x100, 0, 
+    32, 4, 4, 0x00000009, 0x0006, 0, 
+    0, 0 },
+  { /* 0124 */ "a10", 496, xtRegisterTypeWindow, 0x100, 0, 
+    32, 4, 4, 0x0000000a, 0x0006, 0, 
+    0, 0 },
+  { /* 0125 */ "a11", 500, xtRegisterTypeWindow, 0x100, 0, 
+    32, 4, 4, 0x0000000b, 0x0006, 0, 
+    0, 0 },
+  { /* 0126 */ "a12", 504, xtRegisterTypeWindow, 0x100, 0, 
+    32, 4, 4, 0x0000000c, 0x0006, 0, 
+    0, 0 },
+  { /* 0127 */ "a13", 508, xtRegisterTypeWindow, 0x100, 0, 
+    32, 4, 4, 0x0000000d, 0x0006, 0, 
+    0, 0 },
+  { /* 0128 */ "a14", 512, xtRegisterTypeWindow, 0x100, 0, 
+    32, 4, 4, 0x0000000e, 0x0006, 0, 
+    0, 0 },
+  { /* 0129 */ "a15", 516, xtRegisterTypeWindow, 0x100, 0, 
+    32, 4, 4, 0x0000000f, 0x0006, 0, 
+    0, 0 },
+  { /* 0130 */ "psintlevel", 520, xtRegisterTypeMapped, 0x1010, 0, 
+    4, 4, 4, 0x00002004, 0x0006, (xtensa_mask_t *) mask0, 
+    0, 0 },
+  { /* 0131 */ "psum", 524, xtRegisterTypeMapped, 0x1010, 0, 
+    1, 4, 4, 0x00002005, 0x0006, (xtensa_mask_t *) mask1, 
+    0, 0 },
+  { /* 0132 */ "pswoe", 528, xtRegisterTypeMapped, 0x1010, 0, 
+    1, 4, 4, 0x00002006, 0x0006, (xtensa_mask_t *) mask2, 
+    0, 0 },
+  { /* 0133 */ "psring", 532, xtRegisterTypeMapped, 0x1010, 0, 
+    2, 4, 4, 0x00002007, 0x0006, (xtensa_mask_t *) mask3, 
+    0, 0 },
+  { /* 0134 */ "psexcm", 536, xtRegisterTypeMapped, 0x1010, 0, 
+    1, 4, 4, 0x00002008, 0x0006, (xtensa_mask_t *) mask4, 
+    0, 0 },
+  { /* 0135 */ "pscallinc", 540, xtRegisterTypeMapped, 0x1010, 0, 
+    2, 4, 4, 0x00002009, 0x0006, (xtensa_mask_t *) mask5, 
+    0, 0 },
+  { /* 0136 */ "psowb", 544, xtRegisterTypeMapped, 0x1010, 0, 
+    4, 4, 4, 0x0000200a, 0x0006, (xtensa_mask_t *) mask6, 
+    0, 0 },
+  { /* 0137 */ "litbaddr", 548, xtRegisterTypeMapped, 0x1010, 0, 
+    20, 4, 4, 0x0000200b, 0x0006, (xtensa_mask_t *) mask7, 
+    0, 0 },
+  { /* 0138 */ "litben", 552, xtRegisterTypeMapped, 0x1010, 0, 
+    1, 4, 4, 0x0000200c, 0x0006, (xtensa_mask_t *) mask8, 
+    0, 0 },
+  { /* 0139 */ "dbnum", 556, xtRegisterTypeMapped, 0x1010, 0, 
+    4, 4, 4, 0x00002011, 0x0006, (xtensa_mask_t *) mask9, 
+    0, 0 },
+  { /* 0140 */ "asid3", 560, xtRegisterTypeMapped, 0x1010, 0, 
+    8, 4, 4, 0x00002012, 0x0006, (xtensa_mask_t *) mask10, 
+    0, 0 },
+  { /* 0141 */ "asid2", 564, xtRegisterTypeMapped, 0x1010, 0, 
+    8, 4, 4, 0x00002013, 0x0006, (xtensa_mask_t *) mask11, 
+    0, 0 },
+  { /* 0142 */ "asid1", 568, xtRegisterTypeMapped, 0x1010, 0, 
+    8, 4, 4, 0x00002014, 0x0006, (xtensa_mask_t *) mask12, 
+    0, 0 },
+  { /* 0143 */ "instpgszid4", 572, xtRegisterTypeMapped, 0x1010, 0, 
+    2, 4, 4, 0x00002015, 0x0006, (xtensa_mask_t *) mask13, 
+    0, 0 },
+  { /* 0144 */ "datapgszid4", 576, xtRegisterTypeMapped, 0x1010, 0, 
+    2, 4, 4, 0x00002016, 0x0006, (xtensa_mask_t *) mask14, 
+    0, 0 },
+  { /* 0145 */ "ptbase", 580, xtRegisterTypeMapped, 0x1010, 0, 
+    10, 4, 4, 0x00002017, 0x0006, (xtensa_mask_t *) mask15, 
+    0, 0 },
+};
+
+
+struct gdbarch_tdep xtensa_tdep =
+{
+  /* target_flags */			0,
+  /* spill_location */			-1,
+  /* spill_size */			0,
+  /* unused */				0,
+  /* call_abi */			0,
+  /* debug_interrupt_level */		XCHAL_DEBUGLEVEL,
+  /* icache_line_bytes */		XCHAL_ICACHE_LINESIZE,
+  /* dcache_line_bytes */		XCHAL_DCACHE_LINESIZE,
+  /* dcache_writeback */		XCHAL_DCACHE_IS_WRITEBACK,
+  /* isa_use_windowed_registers */	XCHAL_HAVE_WINDOWED,
+  /* isa_use_density_instructions */	XCHAL_HAVE_DENSITY,
+  /* isa_use_exceptions */		1,
+  /* isa_use_ext_l32r */		0 /* XCHAL_USE_ABSOLUTE_LITERALS */,
+  /* isa_max_insn_size */		3,
+  /* debug_num_ibreaks */		XCHAL_NUM_IBREAK,
+  /* debug_num_dbreaks */		XCHAL_NUM_DBREAK,
+  /* rmap */				rmap,
+  /* num_regs */			114,
+  /* num_pseudo_regs */			32,
+  /* num_aregs */			64,
+  /* num_contexts */			0,
+  /* ar_base */				0,
+  /* a0_base */				114,
+  /* wb_regnum */			92,
+  /* ws_regnum */			93,
+  /* pc_regnum */			113,
+  /* ps_regnum */			96,
+  /* lbeg_regnum */			64,
+  /* lend_regnum */			65,
+  /* lcount_regnum */			66,
+  /* sar_regnum */			94,
+  /* litbase_regnum */			0,
+  /* debugcause_regnum */		108,
+  /* exccause_regnum */			89,
+  /* excvaddr_regnum */			91,
+  /* max_register_raw_size */		4,
+  /* max_register_virtual_size */	4,
+  /* fp_layout */			0,
+  /* fp_layout_bytes */			0,
+  /* gregmap */				0
+};