-/* Parameters for execution on a Hitachi Super-H machine.
- Copyright (C) 1993 Free Software Foundation, Inc.
+/* Target-specific definition for a Hitachi Super-H.
+ Copyright (C) 1993, 2000 Free Software Foundation, Inc.
-This file is part of GDB.
+ 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 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.
+ 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. */
+ 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. */
/* Contributed by Steve Chamberlain sac@cygnus.com */
-#define GDB_TARGET_IS_SH
-
-#define IEEE_FLOAT 1
-
-/* Define the bit, byte, and word ordering of the machine. */
-
-#define TARGET_BYTE_ORDER BIG_ENDIAN
-
-
-/* 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. */
-
-extern CORE_ADDR sh_skip_prologue ();
-#define SKIP_PROLOGUE(ip) \
- {(ip) = sh_skip_prologue(ip);}
-
-
-/* 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.
-
- The return address is the value saved in the PR register + 4 */
-
-#define SAVED_PC_AFTER_CALL(frame) \
- (ADDR_BITS_REMOVE(read_register(PR_REGNUM))+4)
-
-/* Stack grows downward. */
-
-#define INNER_THAN <
-
-/* Illegal instruction - used by the simulator for breakpoint
- detection */
-
-#define BREAKPOINT {0xc3, 0xff} /* 0xc3ff is trapa #ff */
-
-
-/* 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) (read_memory_integer(pc,2) == 0x000b)
-
-/* 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 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) 4
-
-#define REGISTER_VIRTUAL_SIZE(N) 4
-
-/* 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) (0)
-
-/* Convert data from raw format for register REGNUM
- to virtual format for register REGNUM. */
-
-#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \
- { memcpy ((TO), (FROM), 4); }
-
-/* Convert data from virtual format for register REGNUM
- to raw format for register REGNUM. */
-
-#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \
- { memcpy ((TO), (FROM), 4); }
-
-/* Return the GDB type object for the "standard" data type
- of data in register N. */
-
-#define REGISTER_VIRTUAL_TYPE(N) builtin_type_int
-
-/* 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", \
- "r8", "r9", "r10","r11","r12","r13","r14","r15",\
- "pc", "pr","gbr","vbr","mach","macl","sr","ticks","cycles","insts" }
-
-#define NUM_REGS 25
-
-/* 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 FP_REGNUM 14
-#define SP_REGNUM 15
-#define PC_REGNUM 16
-#define PR_REGNUM 17
-#define GBR_REGNUM 18
-#define VBR_REGNUM 19
-#define MACH_REGNUM 20
-#define MACL_REGNUM 21
-#define CR_REGNUM 22
-
-/* Store the address of the place in which to copy the structure the
- subroutine will return. This is called from call_function.
-
- We store structs through a pointer passed in R4 */
-
-#define STORE_STRUCT_RETURN(ADDR, SP) \
- { write_register (4, (ADDR)); }
-
-/* 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.
-
- Things always get returned in R4/R5 */
-
-#define STORE_RETURN_VALUE(TYPE,VALBUF) \
- write_register_bytes (REGISTER_BYTE(4), 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))
-\f
-
-/* Define other aspects of the stack frame.
- we keep a copy of the worked out return pc lying around, since it
- is a useful bit of info */
-
-#define EXTRA_FRAME_INFO \
- CORE_ADDR return_pc;
-
-#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \
- init_extra_frame_info(fromleaf, fi)
-
-/* 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)
-
-CORE_ADDR h8500_frame_chain (/* FRAME thisframe */);
-
-#define FRAME_CHAIN(FRAME) sh_frame_chain(FRAME)
-#define FRAME_SAVED_PC(FRAME) ((FRAME)->return_pc)
-#define FRAME_ARGS_ADDRESS(fi) (fi)->frame
-#define FRAME_LOCALS_ADDRESS(fi) (fi)->frame
-
-/* 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 */
-
-#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))
-
-#define NAMES_HAVE_UNDERSCORE
-
-typedef unsigned short INSN_WORD;
-
-#define ADDR_BITS_REMOVE(addr) ((addr) & 0xfffff)
-#define ADDR_BITS_SET(addr) (addr)
-
-#define CALL_DUMMY_LENGTH 10
-
-/* Discard from the stack the innermost frame,
- restoring all saved registers. */
-
-#define POP_FRAME pop_frame();
+#define GDB_MULTI_ARCH 1
+
+/* Information that is dependent on the processor variant. */
+struct gdbarch_tdep
+ {
+ int FPUL_REGNUM; /* sh3e, sh4 */
+ int FPSCR_REGNUM; /* sh3e, sh4 */
+ int DSR_REGNUM; /* sh-dsp, sh3-dsp */
+ int FP15_REGNUM; /* sh3e, sh4 */
+ int A0G_REGNUM; /* sh-dsp, sh3-dsp */
+ int A0_REGNUM; /* sh-dsp, sh3-dsp */
+ int A1G_REGNUM; /* sh-dsp, sh3-dsp */
+ int A1_REGNUM; /* sh-dsp, sh3-dsp */
+ int M0_REGNUM; /* sh-dsp, sh3-dsp */
+ int M1_REGNUM; /* sh-dsp, sh3-dsp */
+ int X0_REGNUM; /* sh-dsp, sh3-dsp */
+ int X1_REGNUM; /* sh-dsp, sh3-dsp */
+ int Y0_REGNUM; /* sh-dsp, sh3-dsp */
+ int Y1_REGNUM; /* sh-dsp, sh3-dsp */
+ int MOD_REGNUM; /* sh-dsp, sh3-dsp */
+ int SSR_REGNUM; /* sh3, sh3-dsp, sh3e, sh4 */
+ int SPC_REGNUM; /* sh3, sh3-dsp, sh3e, sh4 */
+ int RS_REGNUM; /* sh-dsp, sh3-dsp */
+ int RE_REGNUM; /* sh-dsp, sh3-dsp */
+ int DR0_REGNUM; /* sh4 */
+ int DR2_REGNUM; /* sh4 */
+ int DR4_REGNUM; /* sh4 */
+ int DR6_REGNUM; /* sh4 */
+ int DR8_REGNUM; /* sh4 */
+ int DR10_REGNUM; /* sh4 */
+ int DR12_REGNUM; /* sh4 */
+ int DR14_REGNUM; /* sh4 */
+ int FV0_REGNUM; /* sh4 */
+ int FV4_REGNUM; /* sh4 */
+ int FV8_REGNUM; /* sh4 */
+ int FV12_REGNUM; /* sh4 */
+ };
+
+/* Registers common to all the SH variants. */
+enum
+ {
+ R0_REGNUM = 0,
+ STRUCT_RETURN_REGNUM = 2,
+ ARG0_REGNUM = 4,
+ ARGLAST_REGNUM = 7,
+ PR_REGNUM = 17,
+ GBR_REGNUM = 18,
+ VBR_REGNUM = 19,
+ MACH_REGNUM = 20,
+ MACL_REGNUM = 21,
+ SR_REGNUM = 22
+ };
+
+/* Define DO_REGISTERS_INFO() to do machine-specific formatting
+ of register dumps. */
+extern void sh_do_registers_info (int regnum, int fpregs);
+#undef DO_REGISTERS_INFO
+#define DO_REGISTERS_INFO(REGNUM, FP) sh_do_registers_info(REGNUM, FP)
+
+#define NUM_REALREGS 59 /* used in remote-e7000.c which is not multiarched. */
+
+#define REGISTER_TYPE long /* used in standalone.c */
+
+#define BIG_REMOTE_BREAKPOINT { 0xc3, 0x20 } /* Used in remote.c */
+#define LITTLE_REMOTE_BREAKPOINT { 0x20, 0xc3 } /* Used in remote.c */
+
+/*#define NOP {0x20, 0x0b}*/ /* Who uses this???*/
projects / deliverable / binutils-gdb.git / blobdiff