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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:35:26 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:35:26 +0000
commitc906108c21474dfb4ed285bcc0ac6fe02cd400cc (patch)
treea0015aa5cedc19ccbab307251353a41722a3ae13 /gdb/config/m88k
parentcd946cff9ede3f30935803403f06f6ed30cad136 (diff)
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Initial creation of sourceware repositorygdb-4_18-branchpoint
Diffstat (limited to 'gdb/config/m88k')
-rw-r--r--gdb/config/m88k/cxux.mh7
-rw-r--r--gdb/config/m88k/cxux.mt3
-rw-r--r--gdb/config/m88k/delta88.mh7
-rw-r--r--gdb/config/m88k/delta88.mt3
-rw-r--r--gdb/config/m88k/delta88v4.mh7
-rw-r--r--gdb/config/m88k/delta88v4.mt3
-rw-r--r--gdb/config/m88k/m88k.mh5
-rw-r--r--gdb/config/m88k/m88k.mt3
-rw-r--r--gdb/config/m88k/nm-cxux.h32
-rw-r--r--gdb/config/m88k/nm-delta88v4.h21
-rw-r--r--gdb/config/m88k/nm-m88k.h24
-rw-r--r--gdb/config/m88k/tm-cxux.h59
-rw-r--r--gdb/config/m88k/tm-delta88.h26
-rw-r--r--gdb/config/m88k/tm-delta88v4.h30
-rw-r--r--gdb/config/m88k/tm-m88k.h620
-rw-r--r--gdb/config/m88k/xm-cxux.h66
-rw-r--r--gdb/config/m88k/xm-delta88.h45
-rw-r--r--gdb/config/m88k/xm-delta88v4.h22
-rw-r--r--gdb/config/m88k/xm-dgux.h58
-rw-r--r--gdb/config/m88k/xm-m88k.h20
20 files changed, 1061 insertions, 0 deletions
diff --git a/gdb/config/m88k/cxux.mh b/gdb/config/m88k/cxux.mh
new file mode 100644
index 0000000..cb02225
--- /dev/null
+++ b/gdb/config/m88k/cxux.mh
@@ -0,0 +1,7 @@
+# Host: Motorola 88k running CX/UX
+
+XM_FILE= xm-cxux.h
+XDEPFILES=
+
+NAT_FILE= nm-cxux.h
+NATDEPFILES= infptrace.o inftarg.o fork-child.o cxux-nat.o corelow.o core-aout.o
diff --git a/gdb/config/m88k/cxux.mt b/gdb/config/m88k/cxux.mt
new file mode 100644
index 0000000..295de84
--- /dev/null
+++ b/gdb/config/m88k/cxux.mt
@@ -0,0 +1,3 @@
+# Target: Motorola 88k running Harris CX/UX
+TDEPFILES= m88k-tdep.o remote-bug.o
+TM_FILE= tm-cxux.h
diff --git a/gdb/config/m88k/delta88.mh b/gdb/config/m88k/delta88.mh
new file mode 100644
index 0000000..824967a
--- /dev/null
+++ b/gdb/config/m88k/delta88.mh
@@ -0,0 +1,7 @@
+# Host: Motorola 88k running SVR3
+
+XM_FILE= xm-delta88.h
+XDEPFILES=
+
+NAT_FILE= nm-m88k.h
+NATDEPFILES= infptrace.o inftarg.o fork-child.o m88k-nat.o corelow.o core-aout.o
diff --git a/gdb/config/m88k/delta88.mt b/gdb/config/m88k/delta88.mt
new file mode 100644
index 0000000..c8e669b
--- /dev/null
+++ b/gdb/config/m88k/delta88.mt
@@ -0,0 +1,3 @@
+# Target: Motorola 88k running SVR3
+TDEPFILES= m88k-tdep.o
+TM_FILE= tm-delta88.h
diff --git a/gdb/config/m88k/delta88v4.mh b/gdb/config/m88k/delta88v4.mh
new file mode 100644
index 0000000..82be883
--- /dev/null
+++ b/gdb/config/m88k/delta88v4.mh
@@ -0,0 +1,7 @@
+# Host: Motorola 88k running SVR4
+
+XM_FILE= xm-delta88v4.h
+XDEPFILES=
+
+NAT_FILE= nm-delta88v4.h
+NATDEPFILES= fork-child.o m88k-nat.o corelow.o core-regset.o procfs.o solib.o
diff --git a/gdb/config/m88k/delta88v4.mt b/gdb/config/m88k/delta88v4.mt
new file mode 100644
index 0000000..7797d4b
--- /dev/null
+++ b/gdb/config/m88k/delta88v4.mt
@@ -0,0 +1,3 @@
+# Target: Motorola 88k running SVR4
+TDEPFILES= m88k-tdep.o
+TM_FILE= tm-delta88v4.h
diff --git a/gdb/config/m88k/m88k.mh b/gdb/config/m88k/m88k.mh
new file mode 100644
index 0000000..6933265
--- /dev/null
+++ b/gdb/config/m88k/m88k.mh
@@ -0,0 +1,5 @@
+# Host: Motorola 88000 running DGUX
+XDEPFILES=
+XM_FILE= xm-dgux.h
+NAT_FILE= nm-m88k.h
+NATDEPFILES= infptrace.o inftarg.o fork-child.o m88k-nat.o
diff --git a/gdb/config/m88k/m88k.mt b/gdb/config/m88k/m88k.mt
new file mode 100644
index 0000000..ca3fab4
--- /dev/null
+++ b/gdb/config/m88k/m88k.mt
@@ -0,0 +1,3 @@
+# Target: Motorola 88k Binary Compatibility Standard
+TDEPFILES= m88k-tdep.o remote-bug.o
+TM_FILE= tm-m88k.h
diff --git a/gdb/config/m88k/nm-cxux.h b/gdb/config/m88k/nm-cxux.h
new file mode 100644
index 0000000..fec9536
--- /dev/null
+++ b/gdb/config/m88k/nm-cxux.h
@@ -0,0 +1,32 @@
+/* Native definitions for Motorola 88K running Harris CX/UX
+ Copyright 1993, 1994 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+/* Override the standard fetch/store definitions. */
+
+#define FETCH_INFERIOR_REGISTERS
+
+#define REGISTER_U_ADDR(addr, blockend, regno) \
+ (addr) = m88k_register_u_addr ((blockend),(regno));
+
+#define ATTACH_DETACH
+
+#define PTRACE_ATTACH 128
+#define PTRACE_DETACH 129
+
+
diff --git a/gdb/config/m88k/nm-delta88v4.h b/gdb/config/m88k/nm-delta88v4.h
new file mode 100644
index 0000000..9c1a30e
--- /dev/null
+++ b/gdb/config/m88k/nm-delta88v4.h
@@ -0,0 +1,21 @@
+/* Native machine description for Motorola Delta 88 box, for GDB.
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#include "m88k/nm-m88k.h"
+#include "nm-sysv4.h"
diff --git a/gdb/config/m88k/nm-m88k.h b/gdb/config/m88k/nm-m88k.h
new file mode 100644
index 0000000..95eca0a
--- /dev/null
+++ b/gdb/config/m88k/nm-m88k.h
@@ -0,0 +1,24 @@
+/* Native support macros for m88k, for GDB.
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#define FETCH_INFERIOR_REGISTERS
+
+#define REGISTER_U_ADDR(addr, blockend, regno) \
+ (addr) = m88k_register_u_addr ((blockend),(regno));
diff --git a/gdb/config/m88k/tm-cxux.h b/gdb/config/m88k/tm-cxux.h
new file mode 100644
index 0000000..e59c6da
--- /dev/null
+++ b/gdb/config/m88k/tm-cxux.h
@@ -0,0 +1,59 @@
+/* Target definitions for m88k running Harris CX/UX.
+ Copyright 1993, 1994 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#define HARRIS_TARGET 1
+
+#define CXUX_TARGET 1
+
+/* Type of X registers, as supplied by the OS */
+
+typedef struct {
+ long w1, w2, w3, w4;
+} X_REGISTER_RAW_TYPE;
+
+#define X_REGISTER_VIRTUAL_TYPE double
+
+#include "m88k/tm-m88k.h"
+
+#define ADD_SHARED_SYMBOL_FILES(args,have_tty) add_shared_symbol_files ()
+
+#define CONVERT_REGISTER_ADDRESS
+
+/* Always allocate space for both, but recognize that the m88100 has no
+ FP_REGS. */
+
+#undef ARCH_NUM_REGS
+#define ARCH_NUM_REGS (target_is_m88110 ? (GP_REGS + FP_REGS) : (GP_REGS))
+
+/* Don't need this grotesquerie. */
+
+#undef SHIFT_INST_REGS
+
+/* Extended registers are treated as 16 bytes by Harris' OS's.
+ We treat them as 16 bytes here for consistency's sake. */
+
+#undef REGISTER_RAW_SIZE
+#define REGISTER_RAW_SIZE(N) ((N) < XFP_REGNUM ? 4 : 16)
+
+#undef REGISTER_BYTE
+#define REGISTER_BYTE(N) \
+ ((N) >= XFP_REGNUM \
+ ? (((GP_REGS) * REGISTER_RAW_SIZE(0)) + \
+ (((N) - XFP_REGNUM) * REGISTER_RAW_SIZE(XFP_REGNUM))) \
+ : ((N) * REGISTER_RAW_SIZE(0)))
diff --git a/gdb/config/m88k/tm-delta88.h b/gdb/config/m88k/tm-delta88.h
new file mode 100644
index 0000000..c0a9c4a
--- /dev/null
+++ b/gdb/config/m88k/tm-delta88.h
@@ -0,0 +1,26 @@
+/* Target machine description for Motorola Delta 88 box, for GDB.
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#include "m88k/tm-m88k.h"
+
+#define DELTA88
+
+#define IN_SIGTRAMP(pc, name) ((name) && STREQ ("_sigcode", (name)))
+#define SIGTRAMP_FRAME_FIXUP(frame) (frame) += 0x20
+#define SIGTRAMP_SP_FIXUP(sp) (sp) = read_memory_integer((sp), 4)
diff --git a/gdb/config/m88k/tm-delta88v4.h b/gdb/config/m88k/tm-delta88v4.h
new file mode 100644
index 0000000..112a4a6
--- /dev/null
+++ b/gdb/config/m88k/tm-delta88v4.h
@@ -0,0 +1,30 @@
+/* Target machine description for Motorola Delta 88 box, for GDB.
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#define DELTA88
+
+#include "m88k/tm-m88k.h"
+#include "tm-sysv4.h"
+
+/* If we don't define this, backtraces go on forever. */
+#define FRAME_CHAIN_VALID(fp,fi) alternate_frame_chain_valid (fp, fi)
+
+#define IN_SIGTRAMP(pc, name) ((name) && (STREQ ("signalhandler", (name)) \
+ || STREQ("sigacthandler", (name))))
+#define SIGTRAMP_SP_FIXUP(sp) (sp) = read_memory_integer((sp)+0xcd8, 4)
diff --git a/gdb/config/m88k/tm-m88k.h b/gdb/config/m88k/tm-m88k.h
new file mode 100644
index 0000000..390cdef
--- /dev/null
+++ b/gdb/config/m88k/tm-m88k.h
@@ -0,0 +1,620 @@
+/* Target machine description for generic Motorola 88000, for GDB.
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1993
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+/* g++ support is not yet included. */
+
+/* Define the bit, byte, and word ordering of the machine. */
+#define TARGET_BYTE_ORDER BIG_ENDIAN
+
+/* We cache information about saved registers in the frame structure,
+ to save us from having to re-scan function prologues every time
+ a register in a non-current frame is accessed. */
+
+#define EXTRA_FRAME_INFO \
+ struct frame_saved_regs *fsr; \
+ CORE_ADDR locals_pointer; \
+ CORE_ADDR args_pointer;
+
+/* Zero the frame_saved_regs pointer when the frame is initialized,
+ so that FRAME_FIND_SAVED_REGS () will know to allocate and
+ initialize a frame_saved_regs struct the first time it is called.
+ Set the arg_pointer to -1, which is not valid; 0 and other values
+ indicate real, cached values. */
+
+#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \
+ init_extra_frame_info (fromleaf, fi)
+extern void init_extra_frame_info ();
+
+#define IEEE_FLOAT
+
+/* Offset from address of function to start of its code.
+ Zero on most machines. */
+
+#define FUNCTION_START_OFFSET 0
+
+/* Advance PC across any function entry prologue instructions
+ to reach some "real" code. */
+
+#define SKIP_PROLOGUE(frompc) \
+ { (frompc) = skip_prologue (frompc); }
+extern CORE_ADDR skip_prologue ();
+
+/* The m88k kernel aligns all instructions on 4-byte boundaries. The
+ kernel also uses the least significant two bits for its own hocus
+ pocus. When gdb receives an address from the kernel, it needs to
+ preserve those right-most two bits, but gdb also needs to be careful
+ to realize that those two bits are not really a part of the address
+ of an instruction. Shrug. */
+
+extern CORE_ADDR m88k_addr_bits_remove PARAMS ((CORE_ADDR));
+#define ADDR_BITS_REMOVE(addr) m88k_addr_bits_remove (addr)
+
+/* Immediately after a function call, return the saved pc.
+ Can't always go through the frames for this because on some machines
+ the new frame is not set up until the new function executes
+ some instructions. */
+
+#define SAVED_PC_AFTER_CALL(frame) \
+ (ADDR_BITS_REMOVE (read_register (SRP_REGNUM)))
+
+/* Stack grows downward. */
+
+#define INNER_THAN(lhs,rhs) ((lhs) < (rhs))
+
+/* Sequence of bytes for breakpoint instruction. */
+
+/* instruction 0xF000D1FF is 'tb0 0,r0,511'
+ If Bit bit 0 of r0 is clear (always true),
+ initiate exception processing (trap).
+ */
+#define BREAKPOINT {0xF0, 0x00, 0xD1, 0xFF}
+
+/* Amount PC must be decremented by after a breakpoint.
+ This is often the number of bytes in BREAKPOINT
+ but not always. */
+
+#define DECR_PC_AFTER_BREAK 0
+
+/* Say how long (ordinary) registers are. This is a piece of bogosity
+ used in push_word and a few other places; REGISTER_RAW_SIZE is the
+ real way to know how big a register is. */
+
+#define REGISTER_SIZE 4
+
+/* Number of machine registers */
+
+#define GP_REGS (38)
+#define FP_REGS (32)
+#define NUM_REGS (GP_REGS + FP_REGS)
+
+/* Initializer for an array of names of registers.
+ There should be NUM_REGS strings in this initializer. */
+
+#define REGISTER_NAMES {\
+ "r0",\
+ "r1",\
+ "r2",\
+ "r3",\
+ "r4",\
+ "r5",\
+ "r6",\
+ "r7",\
+ "r8",\
+ "r9",\
+ "r10",\
+ "r11",\
+ "r12",\
+ "r13",\
+ "r14",\
+ "r15",\
+ "r16",\
+ "r17",\
+ "r18",\
+ "r19",\
+ "r20",\
+ "r21",\
+ "r22",\
+ "r23",\
+ "r24",\
+ "r25",\
+ "r26",\
+ "r27",\
+ "r28",\
+ "r29",\
+ "r30",\
+ "r31",\
+ "psr",\
+ "fpsr",\
+ "fpcr",\
+ "sxip",\
+ "snip",\
+ "sfip",\
+ "x0",\
+ "x1",\
+ "x2",\
+ "x3",\
+ "x4",\
+ "x5",\
+ "x6",\
+ "x7",\
+ "x8",\
+ "x9",\
+ "x10",\
+ "x11",\
+ "x12",\
+ "x13",\
+ "x14",\
+ "x15",\
+ "x16",\
+ "x17",\
+ "x18",\
+ "x19",\
+ "x20",\
+ "x21",\
+ "x22",\
+ "x23",\
+ "x24",\
+ "x25",\
+ "x26",\
+ "x27",\
+ "x28",\
+ "x29",\
+ "x30",\
+ "x31",\
+ "vbr",\
+ "dmt0",\
+ "dmd0",\
+ "dma0",\
+ "dmt1",\
+ "dmd1",\
+ "dma1",\
+ "dmt2",\
+ "dmd2",\
+ "dma2",\
+ "sr0",\
+ "sr1",\
+ "sr2",\
+ "sr3",\
+ "fpecr",\
+ "fphs1",\
+ "fpls1",\
+ "fphs2",\
+ "fpls2",\
+ "fppt",\
+ "fprh",\
+ "fprl",\
+ "fpit",\
+ "fpsr",\
+ "fpcr",\
+ }
+
+
+/* Register numbers of various important registers.
+ Note that some of these values are "real" register numbers,
+ and correspond to the general registers of the machine,
+ and some are "phony" register numbers which are too large
+ to be actual register numbers as far as the user is concerned
+ but do serve to get the desired values when passed to read_register. */
+
+#define R0_REGNUM 0 /* Contains the constant zero */
+#define SRP_REGNUM 1 /* Contains subroutine return pointer */
+#define RV_REGNUM 2 /* Contains simple return values */
+#define SRA_REGNUM 12 /* Contains address of struct return values */
+#define SP_REGNUM 31 /* Contains address of top of stack */
+
+/* Instruction pointer notes...
+
+ On the m88100:
+
+ * cr04 = sxip. On exception, contains the excepting pc (probably).
+ On rte, is ignored.
+
+ * cr05 = snip. On exception, contains the NPC (next pc). On rte,
+ pc is loaded from here.
+
+ * cr06 = sfip. On exception, contains the NNPC (next next pc). On
+ rte, the NPC is loaded from here.
+
+ * lower two bits of each are flag bits. Bit 1 is V means address
+ is valid. If address is not valid, bit 0 is ignored. Otherwise,
+ bit 0 is E and asks for an exception to be taken if this
+ instruction is executed.
+
+ On the m88110:
+
+ * cr04 = exip. On exception, contains the address of the excepting
+ pc (always). On rte, pc is loaded from here. Bit 0, aka the D
+ bit, is a flag saying that the offending instruction was in a
+ branch delay slot. If set, then cr05 contains the NPC.
+
+ * cr05 = enip. On exception, if the instruction pointed to by cr04
+ was in a delay slot as indicated by the bit 0 of cr04, aka the D
+ bit, the cr05 contains the NPC. Otherwise ignored.
+
+ * cr06 is invalid */
+
+/* Note that the Harris Unix kernels emulate the m88100's behavior on
+ the m88110. */
+
+#define SXIP_REGNUM 35 /* On m88100, Contains Shadow Execute
+ Instruction Pointer. */
+#define SNIP_REGNUM 36 /* On m88100, Contains Shadow Next
+ Instruction Pointer. */
+#define SFIP_REGNUM 37 /* On m88100, Contains Shadow Fetched
+ Intruction pointer. */
+
+#define EXIP_REGNUM 35 /* On m88110, Contains Exception
+ Executing Instruction Pointer. */
+#define ENIP_REGNUM 36 /* On m88110, Contains the Exception
+ Next Instruction Pointer. */
+
+#define PC_REGNUM SXIP_REGNUM /* Program Counter */
+#define NPC_REGNUM SNIP_REGNUM /* Next Program Counter */
+#define NNPC_REGNUM SFIP_REGNUM /* Next Next Program Counter */
+
+#define PSR_REGNUM 32 /* Processor Status Register */
+#define FPSR_REGNUM 33 /* Floating Point Status Register */
+#define FPCR_REGNUM 34 /* Floating Point Control Register */
+#define XFP_REGNUM 38 /* First Extended Float Register */
+#define X0_REGNUM XFP_REGNUM /* Which also contains the constant zero */
+
+/* This is rather a confusing lie. Our m88k port using a stack pointer value
+ for the frame address. Hence, the frame address and the frame pointer are
+ only indirectly related. The value of this macro is the register number
+ fetched by the machine "independent" portions of gdb when they want to know
+ about a frame address. Thus, we lie here and claim that FP_REGNUM is
+ SP_REGNUM. */
+#define FP_REGNUM SP_REGNUM /* Reg fetched to locate frame when pgm stops */
+#define ACTUAL_FP_REGNUM 30
+
+/* PSR status bit definitions. */
+
+#define PSR_MODE 0x80000000
+#define PSR_BYTE_ORDER 0x40000000
+#define PSR_SERIAL_MODE 0x20000000
+#define PSR_CARRY 0x10000000
+#define PSR_SFU_DISABLE 0x000003f0
+#define PSR_SFU1_DISABLE 0x00000008
+#define PSR_MXM 0x00000004
+#define PSR_IND 0x00000002
+#define PSR_SFRZ 0x00000001
+
+
+
+/* The following two comments come from the days prior to the m88110
+ port. The m88110 handles the instruction pointers differently. I
+ do not know what any m88110 kernels do as the m88110 port I'm
+ working with is for an embedded system. rich@cygnus.com
+ 13-sept-93. */
+
+/* BCS requires that the SXIP_REGNUM (or PC_REGNUM) contain the
+ address of the next instr to be executed when a breakpoint occurs.
+ Because the kernel gets the next instr (SNIP_REGNUM), the instr in
+ SNIP needs to be put back into SFIP, and the instr in SXIP should
+ be shifted to SNIP */
+
+/* Are you sitting down? It turns out that the 88K BCS (binary
+ compatibility standard) folks originally felt that the debugger
+ should be responsible for backing up the IPs, not the kernel (as is
+ usually done). Well, they have reversed their decision, and in
+ future releases our kernel will be handling the backing up of the
+ IPs. So, eventually, we won't need to do the SHIFT_INST_REGS
+ stuff. But, for now, since there are 88K systems out there that do
+ need the debugger to do the IP shifting, and since there will be
+ systems where the kernel does the shifting, the code is a little
+ more complex than perhaps it needs to be (we still go inside
+ SHIFT_INST_REGS, and if the shifting hasn't occurred then gdb goes
+ ahead and shifts). */
+
+extern int target_is_m88110;
+#define SHIFT_INST_REGS() \
+if (!target_is_m88110) \
+{ \
+ CORE_ADDR pc = read_register (PC_REGNUM); \
+ CORE_ADDR npc = read_register (NPC_REGNUM); \
+ if (pc != npc) \
+ { \
+ write_register (NNPC_REGNUM, npc); \
+ write_register (NPC_REGNUM, pc); \
+ } \
+}
+
+ /* Storing the following registers is a no-op. */
+#define CANNOT_STORE_REGISTER(regno) (((regno) == R0_REGNUM) \
+ || ((regno) == X0_REGNUM))
+
+ /* Number of bytes of storage in the actual machine representation
+ for register N. On the m88k, the general purpose registers are 4
+ bytes and the 88110 extended registers are 10 bytes. */
+
+#define REGISTER_RAW_SIZE(N) ((N) < XFP_REGNUM ? 4 : 10)
+
+ /* Total amount of space needed to store our copies of the machine's
+ register state, the array `registers'. */
+
+#define REGISTER_BYTES ((GP_REGS * REGISTER_RAW_SIZE(0)) \
+ + (FP_REGS * REGISTER_RAW_SIZE(XFP_REGNUM)))
+
+ /* Index within `registers' of the first byte of the space for
+ register N. */
+
+#define REGISTER_BYTE(N) (((N) * REGISTER_RAW_SIZE(0)) \
+ + ((N) >= XFP_REGNUM \
+ ? (((N) - XFP_REGNUM) \
+ * REGISTER_RAW_SIZE(XFP_REGNUM)) \
+ : 0))
+
+ /* Number of bytes of storage in the program's representation for
+ register N. On the m88k, all registers are 4 bytes excepting the
+ m88110 extended registers which are 8 byte doubles. */
+
+#define REGISTER_VIRTUAL_SIZE(N) ((N) < XFP_REGNUM ? 4 : 8)
+
+ /* Largest value REGISTER_RAW_SIZE can have. */
+
+#define MAX_REGISTER_RAW_SIZE (REGISTER_RAW_SIZE(XFP_REGNUM))
+
+ /* Largest value REGISTER_VIRTUAL_SIZE can have.
+ Are FPS1, FPS2, FPR "virtual" regisers? */
+
+#define MAX_REGISTER_VIRTUAL_SIZE (REGISTER_RAW_SIZE(XFP_REGNUM))
+
+ /* Nonzero if register N requires conversion
+ from raw format to virtual format. */
+
+#define REGISTER_CONVERTIBLE(N) ((N) >= XFP_REGNUM)
+
+#include "floatformat.h"
+
+/* Convert data from raw format for register REGNUM in buffer FROM
+ to virtual format with type TYPE in buffer TO. */
+
+#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,TYPE,FROM,TO) \
+{ \
+ double val; \
+ floatformat_to_double (&floatformat_m88110_ext, (FROM), &val); \
+ store_floating ((TO), TYPE_LENGTH (TYPE), val); \
+}
+
+/* Convert data from virtual format with type TYPE in buffer FROM
+ to raw format for register REGNUM in buffer TO. */
+
+#define REGISTER_CONVERT_TO_RAW(TYPE,REGNUM,FROM,TO) \
+{ \
+ double val = extract_floating ((FROM), TYPE_LENGTH (TYPE)); \
+ floatformat_from_double (&floatformat_m88110_ext, &val, (TO)); \
+}
+
+/* Return the GDB type object for the "standard" data type
+ of data in register N. */
+
+#define REGISTER_VIRTUAL_TYPE(N) \
+((N) >= XFP_REGNUM \
+ ? builtin_type_double \
+ : ((N) == PC_REGNUM || (N) == FP_REGNUM || (N) == SP_REGNUM \
+ ? lookup_pointer_type (builtin_type_void) : builtin_type_int))
+
+/* The 88k call/return conventions call for "small" values to be returned
+ into consecutive registers starting from r2. */
+
+#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
+ memcpy ((VALBUF), &(((char *)REGBUF)[REGISTER_BYTE(RV_REGNUM)]), TYPE_LENGTH (TYPE))
+
+#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(int *)(REGBUF))
+
+/* Write into appropriate registers a function return value
+ of type TYPE, given in virtual format. */
+
+#define STORE_RETURN_VALUE(TYPE,VALBUF) \
+ write_register_bytes (2*REGISTER_RAW_SIZE(0), (VALBUF), TYPE_LENGTH (TYPE))
+
+/* In COFF, if PCC says a parameter is a short or a char, do not
+ change it to int (it seems the convention is to change it). */
+
+#define BELIEVE_PCC_PROMOTION 1
+
+/* Describe the pointer in each stack frame to the previous stack frame
+ (its caller). */
+
+/* FRAME_CHAIN takes a frame's nominal address
+ and produces the frame's chain-pointer.
+
+ However, if FRAME_CHAIN_VALID returns zero,
+ it means the given frame is the outermost one and has no caller. */
+
+extern CORE_ADDR frame_chain ();
+extern int frame_chain_valid ();
+extern int frameless_function_invocation ();
+
+#define FRAME_CHAIN(thisframe) \
+ frame_chain (thisframe)
+
+#define FRAMELESS_FUNCTION_INVOCATION(frame, fromleaf) \
+ fromleaf = frameless_function_invocation (frame)
+
+/* Define other aspects of the stack frame. */
+
+#define FRAME_SAVED_PC(FRAME) \
+ frame_saved_pc (FRAME)
+extern CORE_ADDR frame_saved_pc ();
+
+#define FRAME_ARGS_ADDRESS(fi) \
+ frame_args_address (fi)
+extern CORE_ADDR frame_args_address ();
+
+#define FRAME_LOCALS_ADDRESS(fi) \
+ frame_locals_address (fi)
+extern CORE_ADDR frame_locals_address ();
+
+/* Return number of args passed to a frame.
+ Can return -1, meaning no way to tell. */
+
+#define FRAME_NUM_ARGS(numargs, fi) ((numargs) = -1)
+
+/* Return number of bytes at start of arglist that are not really args. */
+
+#define FRAME_ARGS_SKIP 0
+
+/* Put here the code to store, into a struct frame_saved_regs,
+ the addresses of the saved registers of frame described by FRAME_INFO.
+ This includes special registers such as pc and fp saved in special
+ ways in the stack frame. sp is even more special:
+ the address we return for it IS the sp for the next frame. */
+
+/* On the 88k, parameter registers get stored into the so called "homing"
+ area. This *always* happens when you compiled with GCC and use -g.
+ Also, (with GCC and -g) the saving of the parameter register values
+ always happens right within the function prologue code, so these register
+ values can generally be relied upon to be already copied into their
+ respective homing slots by the time you will normally try to look at
+ them (we hope).
+
+ Note that homing area stack slots are always at *positive* offsets from
+ the frame pointer. Thus, the homing area stack slots for the parameter
+ registers (passed values) for a given function are actually part of the
+ frame area of the caller. This is unusual, but it should not present
+ any special problems for GDB.
+
+ Note also that on the 88k, we are only interested in finding the
+ registers that might have been saved in memory. This is a subset of
+ the whole set of registers because the standard calling sequence allows
+ the called routine to clobber many registers.
+
+ We could manage to locate values for all of the so called "preserved"
+ registers (some of which may get saved within any particular frame) but
+ that would require decoding all of the tdesc information. That would be
+ nice information for GDB to have, but it is not strictly manditory if we
+ can live without the ability to look at values within (or backup to)
+ previous frames.
+*/
+
+struct frame_saved_regs;
+struct frame_info;
+
+void frame_find_saved_regs PARAMS((struct frame_info *fi,
+ struct frame_saved_regs *fsr));
+
+#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \
+ frame_find_saved_regs (frame_info, &frame_saved_regs)
+
+
+#define POP_FRAME pop_frame ()
+extern void pop_frame ();
+
+/* Call function stuff contributed by Kevin Buettner of Motorola. */
+
+#define CALL_DUMMY_LOCATION AFTER_TEXT_END
+
+extern void m88k_push_dummy_frame();
+#define PUSH_DUMMY_FRAME m88k_push_dummy_frame()
+
+#define CALL_DUMMY { \
+0x67ff00c0, /* 0: subu #sp,#sp,0xc0 */ \
+0x243f0004, /* 4: st #r1,#sp,0x4 */ \
+0x245f0008, /* 8: st #r2,#sp,0x8 */ \
+0x247f000c, /* c: st #r3,#sp,0xc */ \
+0x249f0010, /* 10: st #r4,#sp,0x10 */ \
+0x24bf0014, /* 14: st #r5,#sp,0x14 */ \
+0x24df0018, /* 18: st #r6,#sp,0x18 */ \
+0x24ff001c, /* 1c: st #r7,#sp,0x1c */ \
+0x251f0020, /* 20: st #r8,#sp,0x20 */ \
+0x253f0024, /* 24: st #r9,#sp,0x24 */ \
+0x255f0028, /* 28: st #r10,#sp,0x28 */ \
+0x257f002c, /* 2c: st #r11,#sp,0x2c */ \
+0x259f0030, /* 30: st #r12,#sp,0x30 */ \
+0x25bf0034, /* 34: st #r13,#sp,0x34 */ \
+0x25df0038, /* 38: st #r14,#sp,0x38 */ \
+0x25ff003c, /* 3c: st #r15,#sp,0x3c */ \
+0x261f0040, /* 40: st #r16,#sp,0x40 */ \
+0x263f0044, /* 44: st #r17,#sp,0x44 */ \
+0x265f0048, /* 48: st #r18,#sp,0x48 */ \
+0x267f004c, /* 4c: st #r19,#sp,0x4c */ \
+0x269f0050, /* 50: st #r20,#sp,0x50 */ \
+0x26bf0054, /* 54: st #r21,#sp,0x54 */ \
+0x26df0058, /* 58: st #r22,#sp,0x58 */ \
+0x26ff005c, /* 5c: st #r23,#sp,0x5c */ \
+0x271f0060, /* 60: st #r24,#sp,0x60 */ \
+0x273f0064, /* 64: st #r25,#sp,0x64 */ \
+0x275f0068, /* 68: st #r26,#sp,0x68 */ \
+0x277f006c, /* 6c: st #r27,#sp,0x6c */ \
+0x279f0070, /* 70: st #r28,#sp,0x70 */ \
+0x27bf0074, /* 74: st #r29,#sp,0x74 */ \
+0x27df0078, /* 78: st #r30,#sp,0x78 */ \
+0x63df0000, /* 7c: addu #r30,#sp,0x0 */ \
+0x145f0000, /* 80: ld #r2,#sp,0x0 */ \
+0x147f0004, /* 84: ld #r3,#sp,0x4 */ \
+0x149f0008, /* 88: ld #r4,#sp,0x8 */ \
+0x14bf000c, /* 8c: ld #r5,#sp,0xc */ \
+0x14df0010, /* 90: ld #r6,#sp,0x10 */ \
+0x14ff0014, /* 94: ld #r7,#sp,0x14 */ \
+0x151f0018, /* 98: ld #r8,#sp,0x18 */ \
+0x153f001c, /* 9c: ld #r9,#sp,0x1c */ \
+0x5c200000, /* a0: or.u #r1,#r0,0x0 */ \
+0x58210000, /* a4: or #r1,#r1,0x0 */ \
+0xf400c801, /* a8: jsr #r1 */ \
+0xf000d1ff /* ac: tb0 0x0,#r0,0x1ff */ \
+}
+
+#define CALL_DUMMY_START_OFFSET 0x80
+#define CALL_DUMMY_LENGTH 0xb0
+
+/* FIXME: byteswapping. */
+#define FIX_CALL_DUMMY(dummy, pc, fun, nargs, args, type, gcc_p) \
+{ \
+ *(unsigned long *)((char *) (dummy) + 0xa0) |= \
+ (((unsigned long) (fun)) >> 16); \
+ *(unsigned long *)((char *) (dummy) + 0xa4) |= \
+ (((unsigned long) (fun)) & 0xffff); \
+ pc = text_end; \
+}
+
+/* Stack must be aligned on 64-bit boundaries when synthesizing
+ function calls. */
+
+#define STACK_ALIGN(addr) (((addr) + 7) & -8)
+
+#define STORE_STRUCT_RETURN(addr, sp) \
+ write_register (SRA_REGNUM, (addr))
+
+#define NEED_TEXT_START_END 1
+
+/* According to the MC88100 RISC Microprocessor User's Manual, section
+ 6.4.3.1.2:
+
+ ... can be made to return to a particular instruction by placing a
+ valid instruction address in the SNIP and the next sequential
+ instruction address in the SFIP (with V bits set and E bits clear).
+ The rte resumes execution at the instruction pointed to by the
+ SNIP, then the SFIP.
+
+ The E bit is the least significant bit (bit 0). The V (valid) bit is
+ bit 1. This is why we logical or 2 into the values we are writing
+ below. It turns out that SXIP plays no role when returning from an
+ exception so nothing special has to be done with it. We could even
+ (presumably) give it a totally bogus value.
+
+ -- Kevin Buettner
+*/
+
+#define TARGET_WRITE_PC(val, pid) { \
+ write_register_pid(SXIP_REGNUM, (long) val, pid); \
+ write_register_pid(SNIP_REGNUM, (long) val | 2, pid); \
+ write_register_pid(SFIP_REGNUM, ((long) val | 2) + 4, pid); \
+}
diff --git a/gdb/config/m88k/xm-cxux.h b/gdb/config/m88k/xm-cxux.h
new file mode 100644
index 0000000..582c613
--- /dev/null
+++ b/gdb/config/m88k/xm-cxux.h
@@ -0,0 +1,66 @@
+/* Host-machine dependent parameters for Motorola 88000, for GDB.
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1993
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#include "m88k/xm-m88k.h"
+
+#define HOST_BYTE_ORDER BIG_ENDIAN
+
+#if !defined (USG)
+#define USG 1
+#endif
+
+#include <sys/param.h>
+
+#define x_foff _x_x._x_offset
+#define x_fname _x_name
+#define USER ptrace_user
+/*
+#define _BSD_WAIT_FLAVOR
+*/
+
+#define HAVE_TERMIO
+
+#ifndef USIZE
+#define USIZE 2048
+#ifndef UPAGES
+#define UPAGES USIZE
+#endif
+#endif
+#define NBPG NBPC
+
+/* Get rid of any system-imposed stack limit if possible. */
+
+#define SET_STACK_LIMIT_HUGE
+
+/* This is the amount to subtract from u.u_ar0
+ to get the offset in the core file of the register values. */
+
+/* Since registers r0 through r31 are stored directly in the struct ptrace_user,
+ (for m88k BCS)
+ the ptrace_user offsets are sufficient and KERNEL_U_ADDRESS can be 0 */
+
+#define KERNEL_U_ADDR 0
+
+/* The CX/UX C compiler doesn't permit complex expressions as array bounds. */
+#define STRICT_ANSI_BOUNDS
+
+#define CORE_REGISTER_ADDR(regno, reg_ptr) \
+ m88k_harris_core_register_addr(regno, reg_ptr)
+
diff --git a/gdb/config/m88k/xm-delta88.h b/gdb/config/m88k/xm-delta88.h
new file mode 100644
index 0000000..2166947
--- /dev/null
+++ b/gdb/config/m88k/xm-delta88.h
@@ -0,0 +1,45 @@
+/* Host machine description for Motorola Delta 88 system, for GDB.
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#include "m88k/xm-m88k.h"
+
+#if !defined (USG)
+#define USG 1
+#endif
+
+#include <sys/param.h>
+#include <sys/time.h>
+
+#define HAVE_TERMIO
+
+/*#define USIZE 2048*/
+/*#define NBPG NBPC*/
+/* Might be defined in <sys/param.h>. I suspect this define was a relic
+ from before when BFD did core files. */
+/* #define UPAGES USIZE */
+
+/* This is the amount to subtract from u.u_ar0
+ to get the offset in the core file of the register values. */
+
+/* Since registers r0 through r31 are stored directly in the struct ptrace_user,
+ (for m88k BCS)
+ the ptrace_user offsets are sufficient and KERNEL_U_ADDRESS can be 0 */
+
+#define KERNEL_U_ADDR 0
diff --git a/gdb/config/m88k/xm-delta88v4.h b/gdb/config/m88k/xm-delta88v4.h
new file mode 100644
index 0000000..55c9e2d
--- /dev/null
+++ b/gdb/config/m88k/xm-delta88v4.h
@@ -0,0 +1,22 @@
+/* Host machine description for Motorola Delta 88 box, for GDB.
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#include "m88k/xm-m88k.h"
+
+#include "xm-sysv4.h"
diff --git a/gdb/config/m88k/xm-dgux.h b/gdb/config/m88k/xm-dgux.h
new file mode 100644
index 0000000..b3608e7
--- /dev/null
+++ b/gdb/config/m88k/xm-dgux.h
@@ -0,0 +1,58 @@
+/* Host-machine dependent parameters for Motorola 88000, for GDB.
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1993
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#include "m88k/xm-m88k.h"
+
+#define HOST_BYTE_ORDER BIG_ENDIAN
+
+#if !defined (USG)
+#define USG 1
+#endif
+
+#include <sys/param.h>
+
+#ifdef __GNUC__
+#define memcpy __builtin_memcpy
+/* gcc doesn't have this, at least not gcc 1.92. */
+/* #define memset __builtin_memset */
+#define strcmp __builtin_strcmp
+#endif
+
+#define x_foff _x_x._x_offset
+#define x_fname _x_name
+#define USER ptrace_user
+#define _BSD_WAIT_FLAVOR
+
+#define HAVE_TERMIO
+
+#ifndef USIZE
+#define USIZE 2048
+#endif
+#define NBPG NBPC
+#define UPAGES USIZE
+
+/* This is the amount to subtract from u.u_ar0
+ to get the offset in the core file of the register values. */
+
+/* Since registers r0 through r31 are stored directly in the struct ptrace_user,
+ (for m88k BCS)
+ the ptrace_user offsets are sufficient and KERNEL_U_ADDRESS can be 0 */
+
+#define KERNEL_U_ADDR 0
diff --git a/gdb/config/m88k/xm-m88k.h b/gdb/config/m88k/xm-m88k.h
new file mode 100644
index 0000000..35620a0
--- /dev/null
+++ b/gdb/config/m88k/xm-m88k.h
@@ -0,0 +1,20 @@
+/* Host-machine dependent parameters for Motorola 88000, for GDB.
+ Copyright 1993 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#define HOST_BYTE_ORDER BIG_ENDIAN