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authorFred Fish <fnf@specifix.com>1993-03-23 01:19:58 +0000
committerFred Fish <fnf@specifix.com>1993-03-23 01:19:58 +0000
commit5076de826cefc4cd828a8cf4cd6940d9a82f9e70 (patch)
treed6a1288826d5e971b6f88cfa048f8f51b8ec3543 /gdb/config/h8500
parent8256379df2a7043fdf6327a0190ab667cfbb84bf (diff)
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* config/{*.mt, *.mh}: All target and host makefile fragment
config files moved to an appropriate config/<cpu> subdirectory. * nm-*, xm-*, tm-*: All native, host, and target files, which get linked to nm.h, xm.h, and tm.h respectively by configure, moved to appropriate config/<cpu> subdirectory.
Diffstat (limited to 'gdb/config/h8500')
-rw-r--r--gdb/config/h8500/h8500hms.mt3
-rw-r--r--gdb/config/h8500/tm-h8500.h293
2 files changed, 296 insertions, 0 deletions
diff --git a/gdb/config/h8500/h8500hms.mt b/gdb/config/h8500/h8500hms.mt
new file mode 100644
index 0000000..eb64daa
--- /dev/null
+++ b/gdb/config/h8500/h8500hms.mt
@@ -0,0 +1,3 @@
+# Target: H8500 with HMS monitor and H8 simulator
+TDEPFILES= exec.o h8500-tdep.o remote-hms.o remote-sim.o ../sim/h8500/compile.o
+TM_FILE= tm-h8500.h
diff --git a/gdb/config/h8500/tm-h8500.h b/gdb/config/h8500/tm-h8500.h
new file mode 100644
index 0000000..5105c6a
--- /dev/null
+++ b/gdb/config/h8500/tm-h8500.h
@@ -0,0 +1,293 @@
+/* Parameters for execution on a H8/500 series machine.
+ Copyright (C) 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+/* Contributed by Steve Chamberlain sac@cygnus.com */
+
+
+
+#define IEEE_FLOAT 1
+
+/* Define the bit, byte, and word ordering of the machine. */
+
+#define TARGET_BYTE_ORDER BIG_ENDIAN
+
+#undef TARGET_INT_BIT
+#define TARGET_INT_BIT 16
+
+#undef TARGET_PTR_BIT
+#define TARGET_PTR_BIT (minimum_mode ? 16 : 32)
+
+
+/* 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(ip) {(ip) = h8500_skip_prologue(ip);}
+extern CORE_ADDR h8500_skip_prologue ();
+
+
+/* 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) saved_pc_after_call(frame)
+
+
+/* Stack grows downward. */
+
+#define INNER_THAN <
+
+/* Illegal instruction - used by the simulator for breakpoint
+ detection */
+#define BREAKPOINT {0x0b}
+
+
+/* If your kernel resets the pc after the trap happens you may need to
+ define this before including this file. */
+
+#define DECR_PC_AFTER_BREAK 0
+
+
+/* Nonzero if instruction at PC is a return instruction. */
+
+#define ABOUT_TO_RETURN(pc) about_to_return(pc)
+
+/* Return 1 if P points to an invalid floating point value. */
+
+#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */
+
+/* Say how long registers are. */
+
+#define REGISTER_TYPE unsigned long
+
+/* Say how much memory is needed to store a copy of the register set */
+
+#define REGISTER_BYTES ((NUM_REGS)*4)
+
+/* Index within `registers' of the first byte of the space for
+ register N. */
+
+#define REGISTER_BYTE(N) ((N)*4)
+
+/* Number of bytes of storage in the actual machine representation
+ for register N. */
+
+#define REGISTER_RAW_SIZE(N) register_raw_size(N)
+
+#define REGISTER_VIRTUAL_SIZE(N) register_virtual_size(N)
+
+/* Largest value REGISTER_RAW_SIZE can have. */
+
+#define MAX_REGISTER_RAW_SIZE 4
+
+/* Largest value REGISTER_VIRTUAL_SIZE can have. */
+
+#define MAX_REGISTER_VIRTUAL_SIZE 4
+
+/* Nonzero if register N requires conversion
+ from raw format to virtual format. */
+
+#define REGISTER_CONVERTIBLE(N) 1
+
+/* Convert data from raw format for register REGNUM
+ to virtual format for register REGNUM. */
+
+#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \
+ register_convert_to_virtual(REGNUM, FROM, TO)
+
+/* Convert data from virtual format for register REGNUM
+ to raw format for register REGNUM. */
+
+#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \
+ register_convert_to_raw(REGNUM, FROM, TO)
+
+/* Return the GDB type object for the "standard" data type
+ of data in register N. */
+struct type *register_virtual_type();
+
+#define REGISTER_VIRTUAL_TYPE(N) register_virtual_type(N)
+
+
+/* Initializer for an array of names of registers.
+ Entries beyond the first NUM_REGS are ignored. */
+
+#define REGISTER_NAMES \
+ {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
+ "pr0", "pr1","pr2","pr3","pr4","pr5","pr6","pr7", \
+ "ccr","pc", \
+ "cp","dp","ep","tp" }
+
+/* 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 0
+#define R1 1
+#define R2 2
+#define R3 3
+#define R4 4
+#define R5 5
+#define R6 6
+#define R7 7
+
+#define PR0 8 /* R0-R7 with seg prefixed */
+#define PR1 9
+#define PR2 10
+#define PR3 11
+#define PR4 12
+#define PR5 13
+#define PR6 14
+#define PR7 15
+
+#define SP_REGNUM PR7 /* Contains address of top of stack */
+#define FP_REGNUM PR6 /* Contains address of executing stack frame */
+
+#define CCR_REGNUM 16 /* Contains processor status */
+#define PC_REGNUM 17 /* Contains program counter */
+
+#define SEG_C 18 /* Segment registers */
+#define SEG_D 19
+#define SEG_E 20
+#define SEG_T 21
+
+#define NUM_REGS 22
+
+#define PTR_SIZE (minimum_mode ? 2: 4)
+#define PTR_MASK (minimum_mode ? 0x0000ffff : 0x00ffffff)
+
+/* Store the address of the place in which to copy the structure the
+ subroutine will return. This is called from call_function. */
+
+/*#define STORE_STRUCT_RETURN(ADDR, SP) \
+ { write_register (0, (ADDR)); abort(); }*/
+
+/* Extract from an array REGBUF containing the (raw) register state
+ a function return value of type TYPE, and copy that, in virtual format,
+ into VALBUF. */
+
+#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
+ bcopy ((char *)(REGBUF), VALBUF, TYPE_LENGTH(TYPE))
+
+
+/* Write into appropriate registers a function return value
+ of type TYPE, given in virtual format. Assumes floats are passed
+ in d0/d1. */
+
+
+#define STORE_RETURN_VALUE(TYPE,VALBUF) \
+ write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE))
+
+
+/* Extract from an array REGBUF containing the (raw) register state
+ the address in which a function should return its structure value,
+ as a CORE_ADDR (or an expression that can be used as one). */
+
+#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(CORE_ADDR *)(REGBUF))
+
+
+/* Define other aspects of the stack frame. */
+
+/* A macro that tells us whether the function invocation represented
+ by FI does not have a frame on the stack associated with it. If it
+ does not, FRAMELESS is set to 1, else 0. */
+#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \
+ (FRAMELESS) = frameless_look_for_prologue(FI)
+
+/* Any function with a frame looks like this
+ SECOND ARG
+ FIRST ARG
+ RET PC
+ SAVED R2
+ SAVED R3
+ SAVED FP <-FP POINTS HERE
+ LOCALS0
+ LOCALS1 <-SP POINTS HERE
+
+ */
+#define FRAME_SAVED_PC(FRAME) frame_saved_pc(FRAME)
+
+#define FRAME_ARGS_ADDRESS(fi) frame_args_address(fi)
+
+#define FRAME_LOCALS_ADDRESS(fi) frame_locals_address(fi);
+
+/* Set VAL to the number of args passed to frame described by FI.
+ Can set VAL to -1, meaning no way to tell. */
+
+/* We can't tell how many args there are
+ now that the C compiler delays popping them. */
+
+#define FRAME_NUM_ARGS(val,fi) (val = -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. */
+
+#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \
+ frame_find_saved_regs(frame_info, &(frame_saved_regs))
+
+
+/* Push an empty stack frame, to record the current PC, etc. */
+
+/*#define PUSH_DUMMY_FRAME { h8300_push_dummy_frame (); }*/
+
+/* Discard from the stack the innermost frame, restoring all registers. */
+
+#define POP_FRAME { h8300_pop_frame (); }
+
+#define SHORT_INT_MAX 32767
+#define SHORT_INT_MIN -32768
+
+
+
+#define BEFORE_MAIN_LOOP_HOOK \
+ hms_before_main_loop();
+
+
+#define NAMES_HAVE_UNDERSCORE
+
+typedef unsigned short INSN_WORD;
+
+#define ADDR_BITS_REMOVE(addr) ((addr) & 0xffffff)
+#define ADDR_BITS_SET(addr) (((addr)))
+
+#define read_memory_short(x) (read_memory_integer(x,2) & 0xffff)
+#define DONT_USE_REMOTE
+
+
+#define PRINT_REGISTER_HOOK(regno) print_register_hook(regno)
+
+
+int minimum_mode;
+
+#define CALL_DUMMY_LENGTH 10