-/* Parameters for execution on a z8000 series machine.
-
- Copyright 1992, 1993, 1994, 1998, 1999, 2000, 2001, 2002 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. */
-
-/* NOTE: cagney/2002-11-24: This is a guess. */
-#define DEPRECATED_USE_GENERIC_DUMMY_FRAMES 0
-#define CALL_DUMMY_LOCATION ON_STACK
-#define DEPRECATED_PC_IN_CALL_DUMMY(pc, sp, frame_address) deprecated_pc_in_call_dummy_on_stack (pc, sp, frame_address)
-
-#undef TARGET_INT_BIT
-#undef TARGET_LONG_BIT
-#undef TARGET_SHORT_BIT
-#undef TARGET_PTR_BIT
-
-#define TARGET_SHORT_BIT 16
-#define TARGET_INT_BIT 16
-#define TARGET_LONG_BIT 32
-#define TARGET_PTR_BIT (BIG ? 32: 16)
-
-/* 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) (z8k_skip_prologue (ip))
-extern CORE_ADDR z8k_skip_prologue (CORE_ADDR 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. */
-
-
-extern int z8k_saved_pc_after_call (struct frame_info *frame);
-#define SAVED_PC_AFTER_CALL(frame) z8k_saved_pc_after_call(frame)
-
-/* Stack grows downward. */
-
-#define INNER_THAN(lhs,rhs) ((lhs) < (rhs))
-
-/* Sequence of bytes for breakpoint instruction. */
-
-#define BREAKPOINT {0x36,0x00}
-
-/* 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
-
-/* Say how long registers are. */
-
-#define REGISTER_TYPE unsigned int
-
-#define NUM_REGS 23 /* 16 registers + 1 ccr + 1 pc + 3 debug
- regs + fake fp + fake sp */
-#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. On the z8k, all but the pc are 2 bytes, but we
- keep them all as 4 bytes and trim them on I/O */
-
-
-#define REGISTER_RAW_SIZE(N) (((N) < 16)? 2:4)
-
-/* Number of bytes of storage in the program's representation
- for register N. */
-
-#define REGISTER_VIRTUAL_SIZE(N) REGISTER_RAW_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
-
-/* Return the GDB type object for the "standard" data type
- of data in register N. */
-
-#define REGISTER_VIRTUAL_TYPE(N) \
- (REGISTER_VIRTUAL_SIZE(N) == 2? builtin_type_unsigned_int : builtin_type_long)
-
-#define DEPRECATED_INIT_FRAME_PC(x,y) (init_frame_pc_noop (x, y))
-#define INIT_FRAME_PC_FIRST(x,y) (init_frame_pc_noop (x, y))
-
-#define REGISTER_NAMES \
- {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
- "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \
- "ccr", "pc", "cycles","insts","time","fp","sp"}
-
-/* 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 CCR_REGNUM 16 /* Contains processor status */
-#define PC_REGNUM 17 /* Contains program counter */
-#define CYCLES_REGNUM 18
-#define INSTS_REGNUM 19
-#define TIME_REGNUM 20
-#define FP_REGNUM 21 /* Contains fp, whatever memory model */
-#define SP_REGNUM 22 /* Conatins sp, whatever memory model */
-
-
-
-#define PTR_SIZE (BIG ? 4: 2)
-#define PTR_MASK (BIG ? 0xff00ffff : 0x0000ffff)
-
-/* 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) internal_error (__FILE__, __LINE__, "failed internal consistency check");
-
-/* 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. This is assuming that floating point values are returned
- as doubles in d0/d1. */
-
-
-#define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
- memcpy(VALBUF, REGBUF + REGISTER_BYTE(2), TYPE_LENGTH(TYPE));
-
-/* Write into appropriate registers a function return value
- of type TYPE, given in virtual format. */
-
-#define DEPRECATED_STORE_RETURN_VALUE(TYPE,VALBUF) internal_error (__FILE__, __LINE__, "failed internal consistency check");
-
-/* 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 DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(CORE_ADDR *)(REGBUF))
-\f
-/* 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.
- In the case of the Z8000, the frame's nominal address
- is the address of a ptr sized byte word containing the calling
- frame's address. */
-
-extern CORE_ADDR z8k_frame_chain (struct frame_info *thisframe);
-#define FRAME_CHAIN(thisframe) z8k_frame_chain(thisframe);
-
-
-
-/* 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_look_for_prologue (FI))
-
-extern CORE_ADDR z8k_frame_saved_pc (struct frame_info *frame);
-#define FRAME_SAVED_PC(FRAME) z8k_frame_saved_pc(FRAME)
-
-#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
- now that the C compiler delays popping them. */
-#if !defined (FRAME_NUM_ARGS)
-#define FRAME_NUM_ARGS(fi) (-1)
-#endif
-
-/* Return number of bytes at start of arglist that are not really args. */
-
-#define FRAME_ARGS_SKIP 8
-
-struct frame_info;
-extern void z8k_frame_init_saved_regs (struct frame_info *);
-#define FRAME_INIT_SAVED_REGS(fi) z8k_frame_init_saved_regs (fi)
-\f
-
-/* Things needed for making the inferior call functions.
- It seems like every m68k based machine has almost identical definitions
- in the individual machine's configuration files. Most other cpu types
- (mips, i386, etc) have routines in their *-tdep.c files to handle this
- for most configurations. The m68k family should be able to do this as
- well. These macros can still be overridden when necessary. */
-
-/* The CALL_DUMMY macro is the sequence of instructions, as disassembled
- by gdb itself:
-
- fmovemx fp0-fp7,sp@- 0xf227 0xe0ff
- moveml d0-a5,sp@- 0x48e7 0xfffc
- clrw sp@- 0x4267
- movew ccr,sp@- 0x42e7
-
- /..* The arguments are pushed at this point by GDB;
- no code is needed in the dummy for this.
- The CALL_DUMMY_START_OFFSET gives the position of
- the following jsr instruction. *../
-
- jsr @#0x32323232 0x4eb9 0x3232 0x3232
- addal #0x69696969,sp 0xdffc 0x6969 0x6969
- trap #<your BPT_VECTOR number here> 0x4e4?
- nop 0x4e71
-
- Note this is CALL_DUMMY_LENGTH bytes (28 for the above example).
- We actually start executing at the jsr, since the pushing of the
- registers is done by PUSH_DUMMY_FRAME. If this were real code,
- the arguments for the function called by the jsr would be pushed
- between the moveml and the jsr, and we could allow it to execute through.
- But the arguments have to be pushed by GDB after the PUSH_DUMMY_FRAME is
- done, and we cannot allow the moveml to push the registers again lest
- they be taken for the arguments. */
-
-
-#define CALL_DUMMY { 0 }
-#define CALL_DUMMY_LENGTH 24 /* Size of CALL_DUMMY */
-#define CALL_DUMMY_START_OFFSET 8 /* Offset to jsr instruction */
-
-
-/* Insert the specified number of args and function address
- into a call sequence of the above form stored at DUMMYNAME.
- We use the BFD routines to store a big-endian value of known size. */
-
-#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \
-{ bfd_putb32 (fun, (char *) dummyname + CALL_DUMMY_START_OFFSET + 2); \
- bfd_putb32 (nargs*4, (char *) dummyname + CALL_DUMMY_START_OFFSET + 8); }
-
-/* Push an empty stack frame, to record the current PC, etc. */
-
-#define PUSH_DUMMY_FRAME { z8k_push_dummy_frame (); }
-
-extern void z8k_push_dummy_frame (void);
-
-extern void z8k_pop_frame (void);
-
-/* Discard from the stack the innermost frame, restoring all registers. */
-
-#define POP_FRAME { z8k_pop_frame (); }
-
-/* Offset from SP to first arg on stack at first instruction of a function */
-
-#define SP_ARG0 (1 * 4)
-
-extern CORE_ADDR z8k_addr_bits_remove (CORE_ADDR);
-#define ADDR_BITS_REMOVE(addr) z8k_addr_bits_remove (addr)
-int sim_z8001_mode;
-#define BIG (sim_z8001_mode)
-
-#define read_memory_short(x) (read_memory_integer(x,2) & 0xffff)
-
-#define NO_STD_REGS
-
-extern void z8k_do_registers_info (int regnum, int all);
-#define DEPRECATED_DO_REGISTERS_INFO(REGNUM,ALL) \
- z8k_do_registers_info (REGNUM, ALL)
-
-extern void z8k_set_pointer_size (int newsize);
-#define INIT_EXTRA_SYMTAB_INFO \
- z8k_set_pointer_size(objfile->obfd->arch_info->bits_per_address);
-
-#define REGISTER_SIZE 4
+// OBSOLETE /* Parameters for execution on a z8000 series machine.
+// OBSOLETE
+// OBSOLETE Copyright 1992, 1993, 1994, 1998, 1999, 2000, 2001, 2002 Free
+// OBSOLETE Software Foundation, Inc.
+// OBSOLETE
+// OBSOLETE This file is part of GDB.
+// OBSOLETE
+// OBSOLETE This program is free software; you can redistribute it and/or modify
+// OBSOLETE it under the terms of the GNU General Public License as published by
+// OBSOLETE the Free Software Foundation; either version 2 of the License, or
+// OBSOLETE (at your option) any later version.
+// OBSOLETE
+// OBSOLETE This program is distributed in the hope that it will be useful,
+// OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of
+// OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// OBSOLETE GNU General Public License for more details.
+// OBSOLETE
+// OBSOLETE You should have received a copy of the GNU General Public License
+// OBSOLETE along with this program; if not, write to the Free Software
+// OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330,
+// OBSOLETE Boston, MA 02111-1307, USA. */
+// OBSOLETE
+// OBSOLETE /* NOTE: cagney/2002-11-24: This is a guess. */
+// OBSOLETE #define DEPRECATED_USE_GENERIC_DUMMY_FRAMES 0
+// OBSOLETE #define CALL_DUMMY_LOCATION ON_STACK
+// OBSOLETE #define DEPRECATED_PC_IN_CALL_DUMMY(pc, sp, frame_address) deprecated_pc_in_call_dummy_on_stack (pc, sp, frame_address)
+// OBSOLETE
+// OBSOLETE #undef TARGET_INT_BIT
+// OBSOLETE #undef TARGET_LONG_BIT
+// OBSOLETE #undef TARGET_SHORT_BIT
+// OBSOLETE #undef TARGET_PTR_BIT
+// OBSOLETE
+// OBSOLETE #define TARGET_SHORT_BIT 16
+// OBSOLETE #define TARGET_INT_BIT 16
+// OBSOLETE #define TARGET_LONG_BIT 32
+// OBSOLETE #define TARGET_PTR_BIT (BIG ? 32: 16)
+// OBSOLETE
+// OBSOLETE /* Offset from address of function to start of its code.
+// OBSOLETE Zero on most machines. */
+// OBSOLETE
+// OBSOLETE #define FUNCTION_START_OFFSET 0
+// OBSOLETE
+// OBSOLETE /* Advance PC across any function entry prologue instructions
+// OBSOLETE to reach some "real" code. */
+// OBSOLETE
+// OBSOLETE #define SKIP_PROLOGUE(ip) (z8k_skip_prologue (ip))
+// OBSOLETE extern CORE_ADDR z8k_skip_prologue (CORE_ADDR ip);
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE /* Immediately after a function call, return the saved pc.
+// OBSOLETE Can't always go through the frames for this because on some machines
+// OBSOLETE the new frame is not set up until the new function executes
+// OBSOLETE some instructions. */
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE extern int z8k_saved_pc_after_call (struct frame_info *frame);
+// OBSOLETE #define SAVED_PC_AFTER_CALL(frame) z8k_saved_pc_after_call(frame)
+// OBSOLETE
+// OBSOLETE /* Stack grows downward. */
+// OBSOLETE
+// OBSOLETE #define INNER_THAN(lhs,rhs) ((lhs) < (rhs))
+// OBSOLETE
+// OBSOLETE /* Sequence of bytes for breakpoint instruction. */
+// OBSOLETE
+// OBSOLETE #define BREAKPOINT {0x36,0x00}
+// OBSOLETE
+// OBSOLETE /* If your kernel resets the pc after the trap happens you may need to
+// OBSOLETE define this before including this file. */
+// OBSOLETE
+// OBSOLETE #define DECR_PC_AFTER_BREAK 0
+// OBSOLETE
+// OBSOLETE /* Say how long registers are. */
+// OBSOLETE
+// OBSOLETE #define REGISTER_TYPE unsigned int
+// OBSOLETE
+// OBSOLETE #define NUM_REGS 23 /* 16 registers + 1 ccr + 1 pc + 3 debug
+// OBSOLETE regs + fake fp + fake sp */
+// OBSOLETE #define REGISTER_BYTES (NUM_REGS *4)
+// OBSOLETE
+// OBSOLETE /* Index within `registers' of the first byte of the space for
+// OBSOLETE register N. */
+// OBSOLETE
+// OBSOLETE #define REGISTER_BYTE(N) ((N)*4)
+// OBSOLETE
+// OBSOLETE /* Number of bytes of storage in the actual machine representation
+// OBSOLETE for register N. On the z8k, all but the pc are 2 bytes, but we
+// OBSOLETE keep them all as 4 bytes and trim them on I/O */
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE #define REGISTER_RAW_SIZE(N) (((N) < 16)? 2:4)
+// OBSOLETE
+// OBSOLETE /* Number of bytes of storage in the program's representation
+// OBSOLETE for register N. */
+// OBSOLETE
+// OBSOLETE #define REGISTER_VIRTUAL_SIZE(N) REGISTER_RAW_SIZE(N)
+// OBSOLETE
+// OBSOLETE /* Largest value REGISTER_RAW_SIZE can have. */
+// OBSOLETE
+// OBSOLETE #define MAX_REGISTER_RAW_SIZE 4
+// OBSOLETE
+// OBSOLETE /* Largest value REGISTER_VIRTUAL_SIZE can have. */
+// OBSOLETE
+// OBSOLETE #define MAX_REGISTER_VIRTUAL_SIZE 4
+// OBSOLETE
+// OBSOLETE /* Return the GDB type object for the "standard" data type
+// OBSOLETE of data in register N. */
+// OBSOLETE
+// OBSOLETE #define REGISTER_VIRTUAL_TYPE(N) \
+// OBSOLETE (REGISTER_VIRTUAL_SIZE(N) == 2? builtin_type_unsigned_int : builtin_type_long)
+// OBSOLETE
+// OBSOLETE #define DEPRECATED_INIT_FRAME_PC(x,y) (init_frame_pc_noop (x, y))
+// OBSOLETE #define INIT_FRAME_PC_FIRST(x,y) (init_frame_pc_noop (x, y))
+// OBSOLETE
+// OBSOLETE #define REGISTER_NAMES \
+// OBSOLETE {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
+// OBSOLETE "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \
+// OBSOLETE "ccr", "pc", "cycles","insts","time","fp","sp"}
+// OBSOLETE
+// OBSOLETE /* Register numbers of various important registers.
+// OBSOLETE Note that some of these values are "real" register numbers,
+// OBSOLETE and correspond to the general registers of the machine,
+// OBSOLETE and some are "phony" register numbers which are too large
+// OBSOLETE to be actual register numbers as far as the user is concerned
+// OBSOLETE but do serve to get the desired values when passed to read_register. */
+// OBSOLETE
+// OBSOLETE #define CCR_REGNUM 16 /* Contains processor status */
+// OBSOLETE #define PC_REGNUM 17 /* Contains program counter */
+// OBSOLETE #define CYCLES_REGNUM 18
+// OBSOLETE #define INSTS_REGNUM 19
+// OBSOLETE #define TIME_REGNUM 20
+// OBSOLETE #define FP_REGNUM 21 /* Contains fp, whatever memory model */
+// OBSOLETE #define SP_REGNUM 22 /* Conatins sp, whatever memory model */
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE #define PTR_SIZE (BIG ? 4: 2)
+// OBSOLETE #define PTR_MASK (BIG ? 0xff00ffff : 0x0000ffff)
+// OBSOLETE
+// OBSOLETE /* Store the address of the place in which to copy the structure the
+// OBSOLETE subroutine will return. This is called from call_function. */
+// OBSOLETE
+// OBSOLETE #define STORE_STRUCT_RETURN(ADDR, SP) internal_error (__FILE__, __LINE__, "failed internal consistency check");
+// OBSOLETE
+// OBSOLETE /* Extract from an array REGBUF containing the (raw) register state
+// OBSOLETE a function return value of type TYPE, and copy that, in virtual format,
+// OBSOLETE into VALBUF. This is assuming that floating point values are returned
+// OBSOLETE as doubles in d0/d1. */
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE #define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
+// OBSOLETE memcpy(VALBUF, REGBUF + REGISTER_BYTE(2), TYPE_LENGTH(TYPE));
+// OBSOLETE
+// OBSOLETE /* Write into appropriate registers a function return value
+// OBSOLETE of type TYPE, given in virtual format. */
+// OBSOLETE
+// OBSOLETE #define DEPRECATED_STORE_RETURN_VALUE(TYPE,VALBUF) internal_error (__FILE__, __LINE__, "failed internal consistency check");
+// OBSOLETE
+// OBSOLETE /* Extract from an array REGBUF containing the (raw) register state
+// OBSOLETE the address in which a function should return its structure value,
+// OBSOLETE as a CORE_ADDR (or an expression that can be used as one). */
+// OBSOLETE
+// OBSOLETE #define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(CORE_ADDR *)(REGBUF))
+// OBSOLETE \f
+// OBSOLETE /* Describe the pointer in each stack frame to the previous stack frame
+// OBSOLETE (its caller). */
+// OBSOLETE
+// OBSOLETE /* FRAME_CHAIN takes a frame's nominal address and produces the frame's
+// OBSOLETE chain-pointer.
+// OBSOLETE In the case of the Z8000, the frame's nominal address
+// OBSOLETE is the address of a ptr sized byte word containing the calling
+// OBSOLETE frame's address. */
+// OBSOLETE
+// OBSOLETE extern CORE_ADDR z8k_frame_chain (struct frame_info *thisframe);
+// OBSOLETE #define FRAME_CHAIN(thisframe) z8k_frame_chain(thisframe);
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE /* Define other aspects of the stack frame. */
+// OBSOLETE
+// OBSOLETE /* A macro that tells us whether the function invocation represented
+// OBSOLETE by FI does not have a frame on the stack associated with it. If it
+// OBSOLETE does not, FRAMELESS is set to 1, else 0. */
+// OBSOLETE #define FRAMELESS_FUNCTION_INVOCATION(FI) \
+// OBSOLETE (frameless_look_for_prologue (FI))
+// OBSOLETE
+// OBSOLETE extern CORE_ADDR z8k_frame_saved_pc (struct frame_info *frame);
+// OBSOLETE #define FRAME_SAVED_PC(FRAME) z8k_frame_saved_pc(FRAME)
+// OBSOLETE
+// OBSOLETE #define FRAME_ARGS_ADDRESS(fi) ((fi)->frame)
+// OBSOLETE
+// OBSOLETE #define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame)
+// OBSOLETE
+// OBSOLETE /* Set VAL to the number of args passed to frame described by FI.
+// OBSOLETE Can set VAL to -1, meaning no way to tell. */
+// OBSOLETE
+// OBSOLETE /* We can't tell how many args there are
+// OBSOLETE now that the C compiler delays popping them. */
+// OBSOLETE #if !defined (FRAME_NUM_ARGS)
+// OBSOLETE #define FRAME_NUM_ARGS(fi) (-1)
+// OBSOLETE #endif
+// OBSOLETE
+// OBSOLETE /* Return number of bytes at start of arglist that are not really args. */
+// OBSOLETE
+// OBSOLETE #define FRAME_ARGS_SKIP 8
+// OBSOLETE
+// OBSOLETE struct frame_info;
+// OBSOLETE extern void z8k_frame_init_saved_regs (struct frame_info *);
+// OBSOLETE #define FRAME_INIT_SAVED_REGS(fi) z8k_frame_init_saved_regs (fi)
+// OBSOLETE \f
+// OBSOLETE
+// OBSOLETE /* Things needed for making the inferior call functions.
+// OBSOLETE It seems like every m68k based machine has almost identical definitions
+// OBSOLETE in the individual machine's configuration files. Most other cpu types
+// OBSOLETE (mips, i386, etc) have routines in their *-tdep.c files to handle this
+// OBSOLETE for most configurations. The m68k family should be able to do this as
+// OBSOLETE well. These macros can still be overridden when necessary. */
+// OBSOLETE
+// OBSOLETE /* The CALL_DUMMY macro is the sequence of instructions, as disassembled
+// OBSOLETE by gdb itself:
+// OBSOLETE
+// OBSOLETE fmovemx fp0-fp7,sp@- 0xf227 0xe0ff
+// OBSOLETE moveml d0-a5,sp@- 0x48e7 0xfffc
+// OBSOLETE clrw sp@- 0x4267
+// OBSOLETE movew ccr,sp@- 0x42e7
+// OBSOLETE
+// OBSOLETE /..* The arguments are pushed at this point by GDB;
+// OBSOLETE no code is needed in the dummy for this.
+// OBSOLETE The CALL_DUMMY_START_OFFSET gives the position of
+// OBSOLETE the following jsr instruction. *../
+// OBSOLETE
+// OBSOLETE jsr @#0x32323232 0x4eb9 0x3232 0x3232
+// OBSOLETE addal #0x69696969,sp 0xdffc 0x6969 0x6969
+// OBSOLETE trap #<your BPT_VECTOR number here> 0x4e4?
+// OBSOLETE nop 0x4e71
+// OBSOLETE
+// OBSOLETE Note this is CALL_DUMMY_LENGTH bytes (28 for the above example).
+// OBSOLETE We actually start executing at the jsr, since the pushing of the
+// OBSOLETE registers is done by PUSH_DUMMY_FRAME. If this were real code,
+// OBSOLETE the arguments for the function called by the jsr would be pushed
+// OBSOLETE between the moveml and the jsr, and we could allow it to execute through.
+// OBSOLETE But the arguments have to be pushed by GDB after the PUSH_DUMMY_FRAME is
+// OBSOLETE done, and we cannot allow the moveml to push the registers again lest
+// OBSOLETE they be taken for the arguments. */
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE #define CALL_DUMMY { 0 }
+// OBSOLETE #define CALL_DUMMY_LENGTH 24 /* Size of CALL_DUMMY */
+// OBSOLETE #define CALL_DUMMY_START_OFFSET 8 /* Offset to jsr instruction */
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE /* Insert the specified number of args and function address
+// OBSOLETE into a call sequence of the above form stored at DUMMYNAME.
+// OBSOLETE We use the BFD routines to store a big-endian value of known size. */
+// OBSOLETE
+// OBSOLETE #define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \
+// OBSOLETE { bfd_putb32 (fun, (char *) dummyname + CALL_DUMMY_START_OFFSET + 2); \
+// OBSOLETE bfd_putb32 (nargs*4, (char *) dummyname + CALL_DUMMY_START_OFFSET + 8); }
+// OBSOLETE
+// OBSOLETE /* Push an empty stack frame, to record the current PC, etc. */
+// OBSOLETE
+// OBSOLETE #define PUSH_DUMMY_FRAME { z8k_push_dummy_frame (); }
+// OBSOLETE
+// OBSOLETE extern void z8k_push_dummy_frame (void);
+// OBSOLETE
+// OBSOLETE extern void z8k_pop_frame (void);
+// OBSOLETE
+// OBSOLETE /* Discard from the stack the innermost frame, restoring all registers. */
+// OBSOLETE
+// OBSOLETE #define POP_FRAME { z8k_pop_frame (); }
+// OBSOLETE
+// OBSOLETE /* Offset from SP to first arg on stack at first instruction of a function */
+// OBSOLETE
+// OBSOLETE #define SP_ARG0 (1 * 4)
+// OBSOLETE
+// OBSOLETE extern CORE_ADDR z8k_addr_bits_remove (CORE_ADDR);
+// OBSOLETE #define ADDR_BITS_REMOVE(addr) z8k_addr_bits_remove (addr)
+// OBSOLETE int sim_z8001_mode;
+// OBSOLETE #define BIG (sim_z8001_mode)
+// OBSOLETE
+// OBSOLETE #define read_memory_short(x) (read_memory_integer(x,2) & 0xffff)
+// OBSOLETE
+// OBSOLETE #define NO_STD_REGS
+// OBSOLETE
+// OBSOLETE extern void z8k_do_registers_info (int regnum, int all);
+// OBSOLETE #define DEPRECATED_DO_REGISTERS_INFO(REGNUM,ALL) \
+// OBSOLETE z8k_do_registers_info (REGNUM, ALL)
+// OBSOLETE
+// OBSOLETE extern void z8k_set_pointer_size (int newsize);
+// OBSOLETE #define INIT_EXTRA_SYMTAB_INFO \
+// OBSOLETE z8k_set_pointer_size(objfile->obfd->arch_info->bits_per_address);
+// OBSOLETE
+// OBSOLETE #define REGISTER_SIZE 4
-/* Target-machine dependent code for Zilog Z8000, for GDB.
-
- Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
- 2002, 2003 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. */
-
-/*
- Contributed by Steve Chamberlain
- sac@cygnus.com
- */
-
-#include "defs.h"
-#include "frame.h"
-#include "symtab.h"
-#include "gdbcmd.h"
-#include "gdbtypes.h"
-#include "dis-asm.h"
-#include "gdbcore.h"
-#include "regcache.h"
-
-#include "value.h" /* For read_register() */
-
-
-static int read_memory_pointer (CORE_ADDR x);
-
-/* Return the saved PC from this frame.
-
- If the frame has a memory copy of SRP_REGNUM, use that. If not,
- just use the register SRP_REGNUM itself. */
-
-CORE_ADDR
-z8k_frame_saved_pc (struct frame_info *frame)
-{
- return read_memory_pointer (frame->frame + (BIG ? 4 : 2));
-}
-
-#define IS_PUSHL(x) (BIG ? ((x & 0xfff0) == 0x91e0):((x & 0xfff0) == 0x91F0))
-#define IS_PUSHW(x) (BIG ? ((x & 0xfff0) == 0x93e0):((x & 0xfff0)==0x93f0))
-#define IS_MOVE_FP(x) (BIG ? x == 0xa1ea : x == 0xa1fa)
-#define IS_MOV_SP_FP(x) (BIG ? x == 0x94ea : x == 0x0d76)
-#define IS_SUB2_SP(x) (x==0x1b87)
-#define IS_MOVK_R5(x) (x==0x7905)
-#define IS_SUB_SP(x) ((x & 0xffff) == 0x020f)
-#define IS_PUSH_FP(x) (BIG ? (x == 0x93ea) : (x == 0x93fa))
-
-/* work out how much local space is on the stack and
- return the pc pointing to the first push */
-
-static CORE_ADDR
-skip_adjust (CORE_ADDR pc, int *size)
-{
- *size = 0;
-
- if (IS_PUSH_FP (read_memory_short (pc))
- && IS_MOV_SP_FP (read_memory_short (pc + 2)))
- {
- /* This is a function with an explict frame pointer */
- pc += 4;
- *size += 2; /* remember the frame pointer */
- }
-
- /* remember any stack adjustment */
- if (IS_SUB_SP (read_memory_short (pc)))
- {
- *size += read_memory_short (pc + 2);
- pc += 4;
- }
- return pc;
-}
-
-static CORE_ADDR examine_frame (CORE_ADDR, CORE_ADDR * regs, CORE_ADDR);
-static CORE_ADDR
-examine_frame (CORE_ADDR pc, CORE_ADDR *regs, CORE_ADDR sp)
-{
- int w = read_memory_short (pc);
- int offset = 0;
- int regno;
-
- for (regno = 0; regno < NUM_REGS; regno++)
- regs[regno] = 0;
-
- while (IS_PUSHW (w) || IS_PUSHL (w))
- {
- /* work out which register is being pushed to where */
- if (IS_PUSHL (w))
- {
- regs[w & 0xf] = offset;
- regs[(w & 0xf) + 1] = offset + 2;
- offset += 4;
- }
- else
- {
- regs[w & 0xf] = offset;
- offset += 2;
- }
- pc += 2;
- w = read_memory_short (pc);
- }
-
- if (IS_MOVE_FP (w))
- {
- /* We know the fp */
-
- }
- else if (IS_SUB_SP (w))
- {
- /* Subtracting a value from the sp, so were in a function
- which needs stack space for locals, but has no fp. We fake up
- the values as if we had an fp */
- regs[FP_REGNUM] = sp;
- }
- else
- {
- /* This one didn't have an fp, we'll fake it up */
- regs[SP_REGNUM] = sp;
- }
- /* stack pointer contains address of next frame */
- /* regs[fp_regnum()] = fp; */
- regs[SP_REGNUM] = sp;
- return pc;
-}
-
-CORE_ADDR
-z8k_skip_prologue (CORE_ADDR start_pc)
-{
- CORE_ADDR dummy[NUM_REGS];
-
- return examine_frame (start_pc, dummy, 0);
-}
-
-CORE_ADDR
-z8k_addr_bits_remove (CORE_ADDR addr)
-{
- return (addr & PTR_MASK);
-}
-
-static int
-read_memory_pointer (CORE_ADDR x)
-{
- return read_memory_integer (ADDR_BITS_REMOVE (x), BIG ? 4 : 2);
-}
-
-CORE_ADDR
-z8k_frame_chain (struct frame_info *thisframe)
-{
- if (!inside_entry_file (get_frame_pc (thisframe)))
- {
- return read_memory_pointer (thisframe->frame);
- }
- return 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. */
-
-void
-z8k_frame_init_saved_regs (struct frame_info *frame_info)
-{
- CORE_ADDR pc;
- int w;
-
- frame_saved_regs_zalloc (frame_info);
- pc = get_pc_function_start (get_frame_pc (frame_info));
-
- /* wander down the instruction stream */
- examine_frame (pc, frame_info->saved_regs, frame_info->frame);
-
-}
-
-void
-z8k_push_dummy_frame (void)
-{
- internal_error (__FILE__, __LINE__, "failed internal consistency check");
-}
-
-int
-gdb_print_insn_z8k (bfd_vma memaddr, disassemble_info *info)
-{
- if (BIG)
- return print_insn_z8001 (memaddr, info);
- else
- return print_insn_z8002 (memaddr, info);
-}
-
-/* Fetch the instruction at ADDR, returning 0 if ADDR is beyond LIM or
- is not the address of a valid instruction, the address of the next
- instruction beyond ADDR otherwise. *PWORD1 receives the first word
- of the instruction. */
-
-CORE_ADDR
-NEXT_PROLOGUE_INSN (CORE_ADDR addr, CORE_ADDR lim, short *pword1)
-{
- char buf[2];
- if (addr < lim + 8)
- {
- read_memory (addr, buf, 2);
- *pword1 = extract_signed_integer (buf, 2);
-
- return addr + 2;
- }
- return 0;
-}
-
-#if 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.
-
- We cache the result of doing this in the frame_cache_obstack, since
- it is fairly expensive. */
-
-void
-frame_find_saved_regs (struct frame_info *fip, struct frame_saved_regs *fsrp)
-{
- int locals;
- CORE_ADDR pc;
- CORE_ADDR adr;
- int i;
-
- memset (fsrp, 0, sizeof *fsrp);
-
- pc = skip_adjust (get_pc_function_start (get_frame_pc (fip)), &locals);
-
- {
- adr = get_frame_base (fip) - locals;
- for (i = 0; i < 8; i++)
- {
- int word = read_memory_short (pc);
-
- pc += 2;
- if (IS_PUSHL (word))
- {
- fsrp->regs[word & 0xf] = adr;
- fsrp->regs[(word & 0xf) + 1] = adr - 2;
- adr -= 4;
- }
- else if (IS_PUSHW (word))
- {
- fsrp->regs[word & 0xf] = adr;
- adr -= 2;
- }
- else
- break;
- }
-
- }
-
- fsrp->regs[PC_REGNUM] = fip->frame + 4;
- fsrp->regs[FP_REGNUM] = fip->frame;
-
-}
-#endif
-
-int
-z8k_saved_pc_after_call (struct frame_info *frame)
-{
- return ADDR_BITS_REMOVE
- (read_memory_integer (read_register (SP_REGNUM), PTR_SIZE));
-}
-
-
-void
-extract_return_value (struct type *type, char *regbuf, char *valbuf)
-{
- int b;
- int len = TYPE_LENGTH (type);
-
- for (b = 0; b < len; b += 2)
- {
- int todo = len - b;
-
- if (todo > 2)
- todo = 2;
- memcpy (valbuf + b, regbuf + b, todo);
- }
-}
-
-void
-write_return_value (struct type *type, char *valbuf)
-{
- int reg;
- int len;
-
- for (len = 0; len < TYPE_LENGTH (type); len += 2)
- deprecated_write_register_bytes (REGISTER_BYTE (len / 2 + 2),
- valbuf + len, 2);
-}
-
-void
-store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
-{
- write_register (2, addr);
-}
-
-
-static void
-z8k_print_register_hook (int regno)
-{
- if ((regno & 1) == 0 && regno < 16)
- {
- unsigned char l[4];
-
- frame_register_read (deprecated_selected_frame, regno, l + 0);
- frame_register_read (deprecated_selected_frame, regno + 1, l + 2);
- printf_unfiltered ("\t");
- printf_unfiltered ("0x%02x%02x%02x%02x", l[0], l[1], l[2], l[3]);
- }
-
- if ((regno & 3) == 0 && regno < 16)
- {
- unsigned char l[8];
-
- frame_register_read (deprecated_selected_frame, regno, l + 0);
- frame_register_read (deprecated_selected_frame, regno + 1, l + 2);
- frame_register_read (deprecated_selected_frame, regno + 2, l + 4);
- frame_register_read (deprecated_selected_frame, regno + 3, l + 6);
-
- printf_unfiltered ("\t");
- printf_unfiltered ("0x%02x%02x%02x%02x%02x%02x%02x%02x",
- l[0], l[1], l[2], l[3], l[4], l[5], l[6], l[7]);
- }
- if (regno == 15)
- {
- unsigned short rval;
- int i;
-
- frame_register_read (deprecated_selected_frame, regno, (char *) (&rval));
-
- printf_unfiltered ("\n");
- for (i = 0; i < 10; i += 2)
- {
- printf_unfiltered ("(sp+%d=%04x)", i,
- (unsigned int)read_memory_short (rval + i));
- }
- }
-}
-
-static void
-z8k_print_registers_info (struct gdbarch *gdbarch,
- struct ui_file *file,
- struct frame_info *frame,
- int regnum, int print_all)
-{
- int i;
- const int numregs = NUM_REGS + NUM_PSEUDO_REGS;
- char *raw_buffer = alloca (MAX_REGISTER_RAW_SIZE);
- char *virtual_buffer = alloca (MAX_REGISTER_VIRTUAL_SIZE);
-
- for (i = 0; i < numregs; i++)
- {
- /* Decide between printing all regs, non-float / vector regs, or
- specific reg. */
- if (regnum == -1)
- {
- if (!print_all)
- {
- if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
- continue;
- if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i)))
- continue;
- }
- }
- else
- {
- if (i != regnum)
- continue;
- }
-
- /* If the register name is empty, it is undefined for this
- processor, so don't display anything. */
- if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0')
- continue;
-
- fputs_filtered (REGISTER_NAME (i), file);
- print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), file);
-
- /* Get the data in raw format. */
- if (! frame_register_read (frame, i, raw_buffer))
- {
- fprintf_filtered (file, "*value not available*\n");
- continue;
- }
-
- /* FIXME: cagney/2002-08-03: This code shouldn't be necessary.
- The function frame_register_read() should have returned the
- pre-cooked register so no conversion is necessary. */
- /* Convert raw data to virtual format if necessary. */
- if (REGISTER_CONVERTIBLE (i))
- {
- REGISTER_CONVERT_TO_VIRTUAL (i, REGISTER_VIRTUAL_TYPE (i),
- raw_buffer, virtual_buffer);
- }
- else
- {
- memcpy (virtual_buffer, raw_buffer,
- REGISTER_VIRTUAL_SIZE (i));
- }
-
- /* If virtual format is floating, print it that way, and in raw
- hex. */
- if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
- {
- int j;
-
- val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
- file, 0, 1, 0, Val_pretty_default);
-
- fprintf_filtered (file, "\t(raw 0x");
- for (j = 0; j < REGISTER_RAW_SIZE (i); j++)
- {
- int idx;
- if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
- idx = j;
- else
- idx = REGISTER_RAW_SIZE (i) - 1 - j;
- fprintf_filtered (file, "%02x", (unsigned char) raw_buffer[idx]);
- }
- fprintf_filtered (file, ")");
- }
- else
- {
- /* Print the register in hex. */
- val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
- file, 'x', 1, 0, Val_pretty_default);
- /* If not a vector register, print it also according to its
- natural format. */
- if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i)) == 0)
- {
- fprintf_filtered (file, "\t");
- val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
- file, 0, 1, 0, Val_pretty_default);
- }
- }
-
- /* Some z8k specific info. */
- z8k_print_register_hook (i);
-
- fprintf_filtered (file, "\n");
- }
-}
-
-void
-z8k_do_registers_info (int regnum, int all)
-{
- z8k_print_registers_info (current_gdbarch, gdb_stdout,
- deprecated_selected_frame, regnum, all);
-}
-
-void
-z8k_pop_frame (void)
-{
-}
-
-struct cmd_list_element *setmemorylist;
-
-void
-z8k_set_pointer_size (int newsize)
-{
- static int oldsize = 0;
-
- if (oldsize != newsize)
- {
- printf_unfiltered ("pointer size set to %d bits\n", newsize);
- oldsize = newsize;
- if (newsize == 32)
- {
- BIG = 1;
- }
- else
- {
- BIG = 0;
- }
- /* FIXME: This code should be using the GDBARCH framework to
- handle changed type sizes. If this problem is ever fixed
- (the direct reference to _initialize_gdbtypes() below
- eliminated) then Makefile.in should be updated so that
- z8k-tdep.c is again compiled with -Werror. */
- _initialize_gdbtypes ();
- }
-}
-
-static void
-segmented_command (char *args, int from_tty)
-{
- z8k_set_pointer_size (32);
-}
-
-static void
-unsegmented_command (char *args, int from_tty)
-{
- z8k_set_pointer_size (16);
-}
-
-static void
-set_memory (char *args, int from_tty)
-{
- printf_unfiltered ("\"set memory\" must be followed by the name of a memory subcommand.\n");
- help_list (setmemorylist, "set memory ", -1, gdb_stdout);
-}
-
-void
-_initialize_z8ktdep (void)
-{
- tm_print_insn = gdb_print_insn_z8k;
-
- add_prefix_cmd ("memory", no_class, set_memory,
- "set the memory model", &setmemorylist, "set memory ", 0,
- &setlist);
- add_cmd ("segmented", class_support, segmented_command,
- "Set segmented memory model.", &setmemorylist);
- add_cmd ("unsegmented", class_support, unsegmented_command,
- "Set unsegmented memory model.", &setmemorylist);
-
-}
+// OBSOLETE /* Target-machine dependent code for Zilog Z8000, for GDB.
+// OBSOLETE
+// OBSOLETE Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+// OBSOLETE 2002, 2003 Free Software Foundation, Inc.
+// OBSOLETE
+// OBSOLETE This file is part of GDB.
+// OBSOLETE
+// OBSOLETE This program is free software; you can redistribute it and/or modify
+// OBSOLETE it under the terms of the GNU General Public License as published by
+// OBSOLETE the Free Software Foundation; either version 2 of the License, or
+// OBSOLETE (at your option) any later version.
+// OBSOLETE
+// OBSOLETE This program is distributed in the hope that it will be useful,
+// OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of
+// OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// OBSOLETE GNU General Public License for more details.
+// OBSOLETE
+// OBSOLETE You should have received a copy of the GNU General Public License
+// OBSOLETE along with this program; if not, write to the Free Software
+// OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330,
+// OBSOLETE Boston, MA 02111-1307, USA. */
+// OBSOLETE
+// OBSOLETE /*
+// OBSOLETE Contributed by Steve Chamberlain
+// OBSOLETE sac@cygnus.com
+// OBSOLETE */
+// OBSOLETE
+// OBSOLETE #include "defs.h"
+// OBSOLETE #include "frame.h"
+// OBSOLETE #include "symtab.h"
+// OBSOLETE #include "gdbcmd.h"
+// OBSOLETE #include "gdbtypes.h"
+// OBSOLETE #include "dis-asm.h"
+// OBSOLETE #include "gdbcore.h"
+// OBSOLETE #include "regcache.h"
+// OBSOLETE
+// OBSOLETE #include "value.h" /* For read_register() */
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE static int read_memory_pointer (CORE_ADDR x);
+// OBSOLETE
+// OBSOLETE /* Return the saved PC from this frame.
+// OBSOLETE
+// OBSOLETE If the frame has a memory copy of SRP_REGNUM, use that. If not,
+// OBSOLETE just use the register SRP_REGNUM itself. */
+// OBSOLETE
+// OBSOLETE CORE_ADDR
+// OBSOLETE z8k_frame_saved_pc (struct frame_info *frame)
+// OBSOLETE {
+// OBSOLETE return read_memory_pointer (frame->frame + (BIG ? 4 : 2));
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE #define IS_PUSHL(x) (BIG ? ((x & 0xfff0) == 0x91e0):((x & 0xfff0) == 0x91F0))
+// OBSOLETE #define IS_PUSHW(x) (BIG ? ((x & 0xfff0) == 0x93e0):((x & 0xfff0)==0x93f0))
+// OBSOLETE #define IS_MOVE_FP(x) (BIG ? x == 0xa1ea : x == 0xa1fa)
+// OBSOLETE #define IS_MOV_SP_FP(x) (BIG ? x == 0x94ea : x == 0x0d76)
+// OBSOLETE #define IS_SUB2_SP(x) (x==0x1b87)
+// OBSOLETE #define IS_MOVK_R5(x) (x==0x7905)
+// OBSOLETE #define IS_SUB_SP(x) ((x & 0xffff) == 0x020f)
+// OBSOLETE #define IS_PUSH_FP(x) (BIG ? (x == 0x93ea) : (x == 0x93fa))
+// OBSOLETE
+// OBSOLETE /* work out how much local space is on the stack and
+// OBSOLETE return the pc pointing to the first push */
+// OBSOLETE
+// OBSOLETE static CORE_ADDR
+// OBSOLETE skip_adjust (CORE_ADDR pc, int *size)
+// OBSOLETE {
+// OBSOLETE *size = 0;
+// OBSOLETE
+// OBSOLETE if (IS_PUSH_FP (read_memory_short (pc))
+// OBSOLETE && IS_MOV_SP_FP (read_memory_short (pc + 2)))
+// OBSOLETE {
+// OBSOLETE /* This is a function with an explict frame pointer */
+// OBSOLETE pc += 4;
+// OBSOLETE *size += 2; /* remember the frame pointer */
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* remember any stack adjustment */
+// OBSOLETE if (IS_SUB_SP (read_memory_short (pc)))
+// OBSOLETE {
+// OBSOLETE *size += read_memory_short (pc + 2);
+// OBSOLETE pc += 4;
+// OBSOLETE }
+// OBSOLETE return pc;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static CORE_ADDR examine_frame (CORE_ADDR, CORE_ADDR * regs, CORE_ADDR);
+// OBSOLETE static CORE_ADDR
+// OBSOLETE examine_frame (CORE_ADDR pc, CORE_ADDR *regs, CORE_ADDR sp)
+// OBSOLETE {
+// OBSOLETE int w = read_memory_short (pc);
+// OBSOLETE int offset = 0;
+// OBSOLETE int regno;
+// OBSOLETE
+// OBSOLETE for (regno = 0; regno < NUM_REGS; regno++)
+// OBSOLETE regs[regno] = 0;
+// OBSOLETE
+// OBSOLETE while (IS_PUSHW (w) || IS_PUSHL (w))
+// OBSOLETE {
+// OBSOLETE /* work out which register is being pushed to where */
+// OBSOLETE if (IS_PUSHL (w))
+// OBSOLETE {
+// OBSOLETE regs[w & 0xf] = offset;
+// OBSOLETE regs[(w & 0xf) + 1] = offset + 2;
+// OBSOLETE offset += 4;
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE regs[w & 0xf] = offset;
+// OBSOLETE offset += 2;
+// OBSOLETE }
+// OBSOLETE pc += 2;
+// OBSOLETE w = read_memory_short (pc);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE if (IS_MOVE_FP (w))
+// OBSOLETE {
+// OBSOLETE /* We know the fp */
+// OBSOLETE
+// OBSOLETE }
+// OBSOLETE else if (IS_SUB_SP (w))
+// OBSOLETE {
+// OBSOLETE /* Subtracting a value from the sp, so were in a function
+// OBSOLETE which needs stack space for locals, but has no fp. We fake up
+// OBSOLETE the values as if we had an fp */
+// OBSOLETE regs[FP_REGNUM] = sp;
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE /* This one didn't have an fp, we'll fake it up */
+// OBSOLETE regs[SP_REGNUM] = sp;
+// OBSOLETE }
+// OBSOLETE /* stack pointer contains address of next frame */
+// OBSOLETE /* regs[fp_regnum()] = fp; */
+// OBSOLETE regs[SP_REGNUM] = sp;
+// OBSOLETE return pc;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE CORE_ADDR
+// OBSOLETE z8k_skip_prologue (CORE_ADDR start_pc)
+// OBSOLETE {
+// OBSOLETE CORE_ADDR dummy[NUM_REGS];
+// OBSOLETE
+// OBSOLETE return examine_frame (start_pc, dummy, 0);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE CORE_ADDR
+// OBSOLETE z8k_addr_bits_remove (CORE_ADDR addr)
+// OBSOLETE {
+// OBSOLETE return (addr & PTR_MASK);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static int
+// OBSOLETE read_memory_pointer (CORE_ADDR x)
+// OBSOLETE {
+// OBSOLETE return read_memory_integer (ADDR_BITS_REMOVE (x), BIG ? 4 : 2);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE CORE_ADDR
+// OBSOLETE z8k_frame_chain (struct frame_info *thisframe)
+// OBSOLETE {
+// OBSOLETE if (!inside_entry_file (get_frame_pc (thisframe)))
+// OBSOLETE {
+// OBSOLETE return read_memory_pointer (thisframe->frame);
+// OBSOLETE }
+// OBSOLETE return 0;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Put here the code to store, into a struct frame_saved_regs,
+// OBSOLETE the addresses of the saved registers of frame described by FRAME_INFO.
+// OBSOLETE This includes special registers such as pc and fp saved in special
+// OBSOLETE ways in the stack frame. sp is even more special:
+// OBSOLETE the address we return for it IS the sp for the next frame. */
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE z8k_frame_init_saved_regs (struct frame_info *frame_info)
+// OBSOLETE {
+// OBSOLETE CORE_ADDR pc;
+// OBSOLETE int w;
+// OBSOLETE
+// OBSOLETE frame_saved_regs_zalloc (frame_info);
+// OBSOLETE pc = get_pc_function_start (get_frame_pc (frame_info));
+// OBSOLETE
+// OBSOLETE /* wander down the instruction stream */
+// OBSOLETE examine_frame (pc, frame_info->saved_regs, frame_info->frame);
+// OBSOLETE
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE z8k_push_dummy_frame (void)
+// OBSOLETE {
+// OBSOLETE internal_error (__FILE__, __LINE__, "failed internal consistency check");
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE int
+// OBSOLETE gdb_print_insn_z8k (bfd_vma memaddr, disassemble_info *info)
+// OBSOLETE {
+// OBSOLETE if (BIG)
+// OBSOLETE return print_insn_z8001 (memaddr, info);
+// OBSOLETE else
+// OBSOLETE return print_insn_z8002 (memaddr, info);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Fetch the instruction at ADDR, returning 0 if ADDR is beyond LIM or
+// OBSOLETE is not the address of a valid instruction, the address of the next
+// OBSOLETE instruction beyond ADDR otherwise. *PWORD1 receives the first word
+// OBSOLETE of the instruction. */
+// OBSOLETE
+// OBSOLETE CORE_ADDR
+// OBSOLETE NEXT_PROLOGUE_INSN (CORE_ADDR addr, CORE_ADDR lim, short *pword1)
+// OBSOLETE {
+// OBSOLETE char buf[2];
+// OBSOLETE if (addr < lim + 8)
+// OBSOLETE {
+// OBSOLETE read_memory (addr, buf, 2);
+// OBSOLETE *pword1 = extract_signed_integer (buf, 2);
+// OBSOLETE
+// OBSOLETE return addr + 2;
+// OBSOLETE }
+// OBSOLETE return 0;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE #if 0
+// OBSOLETE /* Put here the code to store, into a struct frame_saved_regs,
+// OBSOLETE the addresses of the saved registers of frame described by FRAME_INFO.
+// OBSOLETE This includes special registers such as pc and fp saved in special
+// OBSOLETE ways in the stack frame. sp is even more special:
+// OBSOLETE the address we return for it IS the sp for the next frame.
+// OBSOLETE
+// OBSOLETE We cache the result of doing this in the frame_cache_obstack, since
+// OBSOLETE it is fairly expensive. */
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE frame_find_saved_regs (struct frame_info *fip, struct frame_saved_regs *fsrp)
+// OBSOLETE {
+// OBSOLETE int locals;
+// OBSOLETE CORE_ADDR pc;
+// OBSOLETE CORE_ADDR adr;
+// OBSOLETE int i;
+// OBSOLETE
+// OBSOLETE memset (fsrp, 0, sizeof *fsrp);
+// OBSOLETE
+// OBSOLETE pc = skip_adjust (get_pc_function_start (get_frame_pc (fip)), &locals);
+// OBSOLETE
+// OBSOLETE {
+// OBSOLETE adr = get_frame_base (fip) - locals;
+// OBSOLETE for (i = 0; i < 8; i++)
+// OBSOLETE {
+// OBSOLETE int word = read_memory_short (pc);
+// OBSOLETE
+// OBSOLETE pc += 2;
+// OBSOLETE if (IS_PUSHL (word))
+// OBSOLETE {
+// OBSOLETE fsrp->regs[word & 0xf] = adr;
+// OBSOLETE fsrp->regs[(word & 0xf) + 1] = adr - 2;
+// OBSOLETE adr -= 4;
+// OBSOLETE }
+// OBSOLETE else if (IS_PUSHW (word))
+// OBSOLETE {
+// OBSOLETE fsrp->regs[word & 0xf] = adr;
+// OBSOLETE adr -= 2;
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE break;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE fsrp->regs[PC_REGNUM] = fip->frame + 4;
+// OBSOLETE fsrp->regs[FP_REGNUM] = fip->frame;
+// OBSOLETE
+// OBSOLETE }
+// OBSOLETE #endif
+// OBSOLETE
+// OBSOLETE int
+// OBSOLETE z8k_saved_pc_after_call (struct frame_info *frame)
+// OBSOLETE {
+// OBSOLETE return ADDR_BITS_REMOVE
+// OBSOLETE (read_memory_integer (read_register (SP_REGNUM), PTR_SIZE));
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE extract_return_value (struct type *type, char *regbuf, char *valbuf)
+// OBSOLETE {
+// OBSOLETE int b;
+// OBSOLETE int len = TYPE_LENGTH (type);
+// OBSOLETE
+// OBSOLETE for (b = 0; b < len; b += 2)
+// OBSOLETE {
+// OBSOLETE int todo = len - b;
+// OBSOLETE
+// OBSOLETE if (todo > 2)
+// OBSOLETE todo = 2;
+// OBSOLETE memcpy (valbuf + b, regbuf + b, todo);
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE write_return_value (struct type *type, char *valbuf)
+// OBSOLETE {
+// OBSOLETE int reg;
+// OBSOLETE int len;
+// OBSOLETE
+// OBSOLETE for (len = 0; len < TYPE_LENGTH (type); len += 2)
+// OBSOLETE deprecated_write_register_bytes (REGISTER_BYTE (len / 2 + 2),
+// OBSOLETE valbuf + len, 2);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
+// OBSOLETE {
+// OBSOLETE write_register (2, addr);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE z8k_print_register_hook (int regno)
+// OBSOLETE {
+// OBSOLETE if ((regno & 1) == 0 && regno < 16)
+// OBSOLETE {
+// OBSOLETE unsigned char l[4];
+// OBSOLETE
+// OBSOLETE frame_register_read (deprecated_selected_frame, regno, l + 0);
+// OBSOLETE frame_register_read (deprecated_selected_frame, regno + 1, l + 2);
+// OBSOLETE printf_unfiltered ("\t");
+// OBSOLETE printf_unfiltered ("0x%02x%02x%02x%02x", l[0], l[1], l[2], l[3]);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE if ((regno & 3) == 0 && regno < 16)
+// OBSOLETE {
+// OBSOLETE unsigned char l[8];
+// OBSOLETE
+// OBSOLETE frame_register_read (deprecated_selected_frame, regno, l + 0);
+// OBSOLETE frame_register_read (deprecated_selected_frame, regno + 1, l + 2);
+// OBSOLETE frame_register_read (deprecated_selected_frame, regno + 2, l + 4);
+// OBSOLETE frame_register_read (deprecated_selected_frame, regno + 3, l + 6);
+// OBSOLETE
+// OBSOLETE printf_unfiltered ("\t");
+// OBSOLETE printf_unfiltered ("0x%02x%02x%02x%02x%02x%02x%02x%02x",
+// OBSOLETE l[0], l[1], l[2], l[3], l[4], l[5], l[6], l[7]);
+// OBSOLETE }
+// OBSOLETE if (regno == 15)
+// OBSOLETE {
+// OBSOLETE unsigned short rval;
+// OBSOLETE int i;
+// OBSOLETE
+// OBSOLETE frame_register_read (deprecated_selected_frame, regno, (char *) (&rval));
+// OBSOLETE
+// OBSOLETE printf_unfiltered ("\n");
+// OBSOLETE for (i = 0; i < 10; i += 2)
+// OBSOLETE {
+// OBSOLETE printf_unfiltered ("(sp+%d=%04x)", i,
+// OBSOLETE (unsigned int)read_memory_short (rval + i));
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE z8k_print_registers_info (struct gdbarch *gdbarch,
+// OBSOLETE struct ui_file *file,
+// OBSOLETE struct frame_info *frame,
+// OBSOLETE int regnum, int print_all)
+// OBSOLETE {
+// OBSOLETE int i;
+// OBSOLETE const int numregs = NUM_REGS + NUM_PSEUDO_REGS;
+// OBSOLETE char *raw_buffer = alloca (MAX_REGISTER_RAW_SIZE);
+// OBSOLETE char *virtual_buffer = alloca (MAX_REGISTER_VIRTUAL_SIZE);
+// OBSOLETE
+// OBSOLETE for (i = 0; i < numregs; i++)
+// OBSOLETE {
+// OBSOLETE /* Decide between printing all regs, non-float / vector regs, or
+// OBSOLETE specific reg. */
+// OBSOLETE if (regnum == -1)
+// OBSOLETE {
+// OBSOLETE if (!print_all)
+// OBSOLETE {
+// OBSOLETE if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
+// OBSOLETE continue;
+// OBSOLETE if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i)))
+// OBSOLETE continue;
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE if (i != regnum)
+// OBSOLETE continue;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* If the register name is empty, it is undefined for this
+// OBSOLETE processor, so don't display anything. */
+// OBSOLETE if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0')
+// OBSOLETE continue;
+// OBSOLETE
+// OBSOLETE fputs_filtered (REGISTER_NAME (i), file);
+// OBSOLETE print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), file);
+// OBSOLETE
+// OBSOLETE /* Get the data in raw format. */
+// OBSOLETE if (! frame_register_read (frame, i, raw_buffer))
+// OBSOLETE {
+// OBSOLETE fprintf_filtered (file, "*value not available*\n");
+// OBSOLETE continue;
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* FIXME: cagney/2002-08-03: This code shouldn't be necessary.
+// OBSOLETE The function frame_register_read() should have returned the
+// OBSOLETE pre-cooked register so no conversion is necessary. */
+// OBSOLETE /* Convert raw data to virtual format if necessary. */
+// OBSOLETE if (REGISTER_CONVERTIBLE (i))
+// OBSOLETE {
+// OBSOLETE REGISTER_CONVERT_TO_VIRTUAL (i, REGISTER_VIRTUAL_TYPE (i),
+// OBSOLETE raw_buffer, virtual_buffer);
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE memcpy (virtual_buffer, raw_buffer,
+// OBSOLETE REGISTER_VIRTUAL_SIZE (i));
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* If virtual format is floating, print it that way, and in raw
+// OBSOLETE hex. */
+// OBSOLETE if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
+// OBSOLETE {
+// OBSOLETE int j;
+// OBSOLETE
+// OBSOLETE val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
+// OBSOLETE file, 0, 1, 0, Val_pretty_default);
+// OBSOLETE
+// OBSOLETE fprintf_filtered (file, "\t(raw 0x");
+// OBSOLETE for (j = 0; j < REGISTER_RAW_SIZE (i); j++)
+// OBSOLETE {
+// OBSOLETE int idx;
+// OBSOLETE if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+// OBSOLETE idx = j;
+// OBSOLETE else
+// OBSOLETE idx = REGISTER_RAW_SIZE (i) - 1 - j;
+// OBSOLETE fprintf_filtered (file, "%02x", (unsigned char) raw_buffer[idx]);
+// OBSOLETE }
+// OBSOLETE fprintf_filtered (file, ")");
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE /* Print the register in hex. */
+// OBSOLETE val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
+// OBSOLETE file, 'x', 1, 0, Val_pretty_default);
+// OBSOLETE /* If not a vector register, print it also according to its
+// OBSOLETE natural format. */
+// OBSOLETE if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i)) == 0)
+// OBSOLETE {
+// OBSOLETE fprintf_filtered (file, "\t");
+// OBSOLETE val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
+// OBSOLETE file, 0, 1, 0, Val_pretty_default);
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Some z8k specific info. */
+// OBSOLETE z8k_print_register_hook (i);
+// OBSOLETE
+// OBSOLETE fprintf_filtered (file, "\n");
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE z8k_do_registers_info (int regnum, int all)
+// OBSOLETE {
+// OBSOLETE z8k_print_registers_info (current_gdbarch, gdb_stdout,
+// OBSOLETE deprecated_selected_frame, regnum, all);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE z8k_pop_frame (void)
+// OBSOLETE {
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE struct cmd_list_element *setmemorylist;
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE z8k_set_pointer_size (int newsize)
+// OBSOLETE {
+// OBSOLETE static int oldsize = 0;
+// OBSOLETE
+// OBSOLETE if (oldsize != newsize)
+// OBSOLETE {
+// OBSOLETE printf_unfiltered ("pointer size set to %d bits\n", newsize);
+// OBSOLETE oldsize = newsize;
+// OBSOLETE if (newsize == 32)
+// OBSOLETE {
+// OBSOLETE BIG = 1;
+// OBSOLETE }
+// OBSOLETE else
+// OBSOLETE {
+// OBSOLETE BIG = 0;
+// OBSOLETE }
+// OBSOLETE /* FIXME: This code should be using the GDBARCH framework to
+// OBSOLETE handle changed type sizes. If this problem is ever fixed
+// OBSOLETE (the direct reference to _initialize_gdbtypes() below
+// OBSOLETE eliminated) then Makefile.in should be updated so that
+// OBSOLETE z8k-tdep.c is again compiled with -Werror. */
+// OBSOLETE _initialize_gdbtypes ();
+// OBSOLETE }
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE segmented_command (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE z8k_set_pointer_size (32);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE unsegmented_command (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE z8k_set_pointer_size (16);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE static void
+// OBSOLETE set_memory (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE printf_unfiltered ("\"set memory\" must be followed by the name of a memory subcommand.\n");
+// OBSOLETE help_list (setmemorylist, "set memory ", -1, gdb_stdout);
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE void
+// OBSOLETE _initialize_z8ktdep (void)
+// OBSOLETE {
+// OBSOLETE tm_print_insn = gdb_print_insn_z8k;
+// OBSOLETE
+// OBSOLETE add_prefix_cmd ("memory", no_class, set_memory,
+// OBSOLETE "set the memory model", &setmemorylist, "set memory ", 0,
+// OBSOLETE &setlist);
+// OBSOLETE add_cmd ("segmented", class_support, segmented_command,
+// OBSOLETE "Set segmented memory model.", &setmemorylist);
+// OBSOLETE add_cmd ("unsegmented", class_support, unsegmented_command,
+// OBSOLETE "Set unsegmented memory model.", &setmemorylist);
+// OBSOLETE
+// OBSOLETE }
projects / binutils-gdb.git / commitdiff