From 4d210288d335827b47aac453c89f4b9bc9f2847f Mon Sep 17 00:00:00 2001
From: Andrew Cagney <cagney@redhat.com>
Date: Thu, 22 Aug 2002 21:52:45 +0000
Subject: Obsolete i960.
---
gdb/config/i960/tm-i960.h | 690 +++++++++++++++++++++++-----------------------
1 file changed, 345 insertions(+), 345 deletions(-)
(limited to 'gdb/config/i960/tm-i960.h')
diff --git a/gdb/config/i960/tm-i960.h b/gdb/config/i960/tm-i960.h
index a0ae164a658..91bdf91f14e 100644
--- a/gdb/config/i960/tm-i960.h
+++ b/gdb/config/i960/tm-i960.h
@@ -1,345 +1,345 @@
-/* Parameters for target machine Intel 960, for GDB, the GNU debugger.
-
- Copyright 1990, 1991, 1993, 1994, 1996, 1998, 1999, 2000, 2002 Free
- Software Foundation, Inc.
-
- Contributed by Intel Corporation.
- 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. */
-
-/* Definitions to target GDB to any i960. */
-
-#ifndef I80960
-#define I80960
-#endif
-
-#include "doublest.h"
-
-/* Hook for the SYMBOL_CLASS of a parameter when decoding DBX symbol
- information. In the i960, parameters can be stored as locals or as
- args, depending on the type of the debug record.
-
- From empirical observation, gcc960 uses N_LSYM to indicate
- arguments passed in registers and then copied immediately
- to the frame, and N_PSYM to indicate arguments passed in a
- g14-relative argument block. */
-
-#define DBX_PARM_SYMBOL_CLASS(type) ((type == N_LSYM)? LOC_LOCAL_ARG: LOC_ARG)
-
-/* Offset from address of function to start of its code.
- Zero on most machines. */
-
-#define FUNCTION_START_OFFSET 0
-
-/* Advance ip across any function entry prologue instructions
- to reach some "real" code. */
-
-#define SKIP_PROLOGUE(ip) (i960_skip_prologue (ip))
-extern CORE_ADDR i960_skip_prologue ();
-
-/* Immediately after a function call, return the saved ip.
- 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))
-extern CORE_ADDR saved_pc_after_call ();
-
-/* Stack grows upward */
-
-#define INNER_THAN(lhs,rhs) ((lhs) > (rhs))
-
-/* 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 NUM_REGS 40
-
-/* Initializer for an array of names of registers.
- There should be NUM_REGS strings in this initializer. */
-
-#define REGISTER_NAMES { \
- /* 0 */ "pfp", "sp", "rip", "r3", "r4", "r5", "r6", "r7", \
- /* 8 */ "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",\
- /* 16 */ "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7", \
- /* 24 */ "g8", "g9", "g10", "g11", "g12", "g13", "g14", "fp", \
- /* 32 */ "pcw", "ac", "tc", "ip", "fp0", "fp1", "fp2", "fp3",\
-}
-
-/* Register numbers of various important registers (used to index
- into arrays of register names and register values). */
-
-#define R0_REGNUM 0 /* First local register */
-#define SP_REGNUM 1 /* Contains address of top of stack */
-#define RIP_REGNUM 2 /* Return instruction pointer (local r2) */
-#define R15_REGNUM 15 /* Last local register */
-#define G0_REGNUM 16 /* First global register */
-#define G13_REGNUM 29 /* g13 - holds struct return address */
-#define G14_REGNUM 30 /* g14 - ptr to arg block / leafproc return address */
-#define FP_REGNUM 31 /* Contains address of executing stack frame */
-#define PCW_REGNUM 32 /* process control word */
-#define ACW_REGNUM 33 /* arithmetic control word */
-#define TCW_REGNUM 34 /* trace control word */
-#define IP_REGNUM 35 /* instruction pointer */
-#define FP0_REGNUM 36 /* First floating point register */
-
-/* Some registers have more than one name */
-
-#define PC_REGNUM IP_REGNUM /* GDB refers to ip as the Program Counter */
-#define PFP_REGNUM R0_REGNUM /* Previous frame pointer */
-
-/* Total amount of space needed to store our copies of the machine's
- register state, the array `registers'. */
-#define REGISTER_BYTES ((36*4) + (4*10))
-
-/* Index within `registers' of the first byte of the space for register N. */
-
-#define REGISTER_BYTE(N) ( (N) < FP0_REGNUM ? \
- (4*(N)) : ((10*(N)) - (6*FP0_REGNUM)) )
-
-/* The i960 has register windows, sort of. */
-
-extern void i960_get_saved_register (char *raw_buffer,
- int *optimized,
- CORE_ADDR *addrp,
- struct frame_info *frame,
- int regnum,
- enum lval_type *lval);
-
-#define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) \
- i960_get_saved_register(raw_buffer, optimized, addrp, frame, regnum, lval)
-
-
-/* Number of bytes of storage in the actual machine representation
- for register N. On the i960, all regs are 4 bytes except for floating
- point, which are 10. NINDY only sends us 8 byte values for these,
- which is a pain, but VxWorks handles this correctly, so we must. */
-
-#define REGISTER_RAW_SIZE(N) ( (N) < FP0_REGNUM ? 4 : 10 )
-
-/* Number of bytes of storage in the program's representation for register N. */
-
-#define REGISTER_VIRTUAL_SIZE(N) ( (N) < FP0_REGNUM ? 4 : 8 )
-
-/* Largest value REGISTER_RAW_SIZE can have. */
-
-#define MAX_REGISTER_RAW_SIZE 10
-
-/* Largest value REGISTER_VIRTUAL_SIZE can have. */
-
-#define MAX_REGISTER_VIRTUAL_SIZE 8
-
-#include "floatformat.h"
-
-#define TARGET_LONG_DOUBLE_FORMAT &floatformat_i960_ext
-
-/* Return the GDB type object for the "standard" data type
- of data in register N. */
-
-struct type *i960_register_type (int regnum);
-#define REGISTER_VIRTUAL_TYPE(N) i960_register_type (N)
-
-/* Macros for understanding function return values... */
-
-/* Does the specified function use the "struct returning" convention
- or the "value returning" convention? The "value returning" convention
- almost invariably returns the entire value in registers. The
- "struct returning" convention often returns the entire value in
- memory, and passes a pointer (out of or into the function) saying
- where the value (is or should go).
-
- Since this sometimes depends on whether it was compiled with GCC,
- this is also an argument. This is used in call_function to build a
- stack, and in value_being_returned to print return values.
-
- On i960, a structure is returned in registers g0-g3, if it will fit.
- If it's more than 16 bytes long, g13 pointed to it on entry. */
-
-extern use_struct_convention_fn i960_use_struct_convention;
-#define USE_STRUCT_CONVENTION(gcc_p, type) i960_use_struct_convention (gcc_p, type)
-
-/* 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 only called if USE_STRUCT_CONVENTION for this
- type is 0.
-
- On the i960 we just take as many bytes as we need from G0 through G3. */
-
-#define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
- memcpy(VALBUF, REGBUF+REGISTER_BYTE(G0_REGNUM), TYPE_LENGTH (TYPE))
-
-/* If USE_STRUCT_CONVENTION produces a 1,
- 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).
-
- Address of where to put structure was passed in in global
- register g13 on entry. God knows what's in g13 now. The
- (..., 0) below is to make it appear to return a value, though
- actually all it does is call error(). */
-
-#define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
- (error("Don't know where large structure is returned on i960"), 0)
-
-/* Write into appropriate registers a function return value
- of type TYPE, given in virtual format, for "value returning" functions.
-
- For 'return' command: not (yet) implemented for i960. */
-
-#define STORE_RETURN_VALUE(TYPE,VALBUF) \
- error ("Returning values from functions is not implemented in i960 gdb")
-
-/* 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) \
- error ("Returning values from functions is not implemented in i960 gdb")
-
-/* 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. */
-
-/* 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 arg_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) \
- ((fi)->fsr = 0, (fi)->arg_pointer = -1)
-
-/* On the i960, we get the chain pointer by reading the PFP saved
- on the stack and clearing the status bits. */
-
-#define FRAME_CHAIN(thisframe) \
- (read_memory_integer (FRAME_FP(thisframe), 4) & ~0xf)
-
-/* FRAME_CHAIN_VALID returns zero if the given frame is the outermost one
- and has no caller.
-
- On the i960, each various target system type must define FRAME_CHAIN_VALID,
- since it differs between NINDY and VxWorks, the two currently supported
- targets types. We leave it undefined here. */
-
-
-/* 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. */
-
-CORE_ADDR leafproc_return (CORE_ADDR ip);
-#define FRAMELESS_FUNCTION_INVOCATION(FI) \
- (leafproc_return ((FI)->pc) != 0)
-
-/* Note that in the i960 architecture the return pointer is saved in the
- *caller's* stack frame.
-
- Make sure to zero low-order bits because of bug in 960CA A-step part
- (instruction addresses should always be word-aligned anyway). */
-
-#define FRAME_SAVED_PC(frame) \
- ((read_memory_integer(FRAME_CHAIN(frame)+8,4)) & ~3)
-
-/* On the i960, FRAME_ARGS_ADDRESS should return the value of
- g14 as passed into the frame, if known. We need a function for this.
- We cache this value in the frame info if we've already looked it up. */
-
-#define FRAME_ARGS_ADDRESS(fi) \
- (((fi)->arg_pointer != -1)? (fi)->arg_pointer: frame_args_address (fi, 0))
-extern CORE_ADDR frame_args_address (); /* i960-tdep.c */
-
-/* This is the same except it should return 0 when
- it does not really know where the args are, rather than guessing.
- This value is not cached since it is only used infrequently. */
-
-#define FRAME_ARGS_ADDRESS_CORRECT(fi) (frame_args_address (fi, 1))
-
-#define FRAME_LOCALS_ADDRESS(fi) (fi)->frame
-
-/* Set NUMARGS to the number of args passed to a frame.
- Can return -1, meaning no way to tell. */
-
-#define FRAME_NUM_ARGS(fi) (-1)
-
-/* Return number of bytes at start of arglist that are not really args. */
-
-#define FRAME_ARGS_SKIP 0
-
-/* Produce the positions of the saved registers in a stack frame. */
-
-#define FRAME_FIND_SAVED_REGS(frame_info_addr, sr) \
- frame_find_saved_regs (frame_info_addr, &sr)
-extern void frame_find_saved_regs (); /* See i960-tdep.c */
-
-/* Things needed for making calls to functions in the inferior process */
-
-/* Push an empty stack frame, to record the current ip, etc.
-
- Not (yet?) implemented for i960. */
-
-#define PUSH_DUMMY_FRAME \
-error("Function calls into the inferior process are not supported on the i960")
-
-/* Discard from the stack the innermost frame, restoring all registers. */
-
-
-void i960_pop_frame (void);
-#define POP_FRAME \
- i960_pop_frame ()
-
-
-/* This sequence of words is the instructions
-
- callx 0x00000000
- fmark
- */
-
-/* #define CALL_DUMMY { 0x86003000, 0x00000000, 0x66003e00 } */
-
- /* #define CALL_DUMMY_START_OFFSET 0 *//* Start execution at beginning of dummy */
-
-/* Indicate that we don't support calling inferior child functions. */
-
-#undef CALL_DUMMY
-
-/* Insert the specified number of args and function address
- into a call sequence of the above form stored at 'dummyname'.
-
- Ignore arg count on i960. */
-
-/* #define FIX_CALL_DUMMY(dummyname, fun, nargs) *(((int *)dummyname)+1) = fun */
-
-#undef FIX_CALL_DUMMY
-
-
-/* Interface definitions for kernel debugger KDB */
-/* (Not relevant to i960.) */
+// OBSOLETE /* Parameters for target machine Intel 960, for GDB, the GNU debugger.
+// OBSOLETE
+// OBSOLETE Copyright 1990, 1991, 1993, 1994, 1996, 1998, 1999, 2000, 2002 Free
+// OBSOLETE Software Foundation, Inc.
+// OBSOLETE
+// OBSOLETE Contributed by Intel Corporation.
+// 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 /* Definitions to target GDB to any i960. */
+// OBSOLETE
+// OBSOLETE #ifndef I80960
+// OBSOLETE #define I80960
+// OBSOLETE #endif
+// OBSOLETE
+// OBSOLETE #include "doublest.h"
+// OBSOLETE
+// OBSOLETE /* Hook for the SYMBOL_CLASS of a parameter when decoding DBX symbol
+// OBSOLETE information. In the i960, parameters can be stored as locals or as
+// OBSOLETE args, depending on the type of the debug record.
+// OBSOLETE
+// OBSOLETE From empirical observation, gcc960 uses N_LSYM to indicate
+// OBSOLETE arguments passed in registers and then copied immediately
+// OBSOLETE to the frame, and N_PSYM to indicate arguments passed in a
+// OBSOLETE g14-relative argument block. */
+// OBSOLETE
+// OBSOLETE #define DBX_PARM_SYMBOL_CLASS(type) ((type == N_LSYM)? LOC_LOCAL_ARG: LOC_ARG)
+// 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 ip across any function entry prologue instructions
+// OBSOLETE to reach some "real" code. */
+// OBSOLETE
+// OBSOLETE #define SKIP_PROLOGUE(ip) (i960_skip_prologue (ip))
+// OBSOLETE extern CORE_ADDR i960_skip_prologue ();
+// OBSOLETE
+// OBSOLETE /* Immediately after a function call, return the saved ip.
+// 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
+// OBSOLETE executes some instructions. */
+// OBSOLETE
+// OBSOLETE #define SAVED_PC_AFTER_CALL(frame) (saved_pc_after_call (frame))
+// OBSOLETE extern CORE_ADDR saved_pc_after_call ();
+// OBSOLETE
+// OBSOLETE /* Stack grows upward */
+// OBSOLETE
+// OBSOLETE #define INNER_THAN(lhs,rhs) ((lhs) > (rhs))
+// OBSOLETE
+// OBSOLETE /* Say how long (ordinary) registers are. This is a piece of bogosity
+// OBSOLETE used in push_word and a few other places; REGISTER_RAW_SIZE is the
+// OBSOLETE real way to know how big a register is. */
+// OBSOLETE
+// OBSOLETE #define REGISTER_SIZE 4
+// OBSOLETE
+// OBSOLETE /* Number of machine registers */
+// OBSOLETE #define NUM_REGS 40
+// OBSOLETE
+// OBSOLETE /* Initializer for an array of names of registers.
+// OBSOLETE There should be NUM_REGS strings in this initializer. */
+// OBSOLETE
+// OBSOLETE #define REGISTER_NAMES { \
+// OBSOLETE /* 0 */ "pfp", "sp", "rip", "r3", "r4", "r5", "r6", "r7", \
+// OBSOLETE /* 8 */ "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",\
+// OBSOLETE /* 16 */ "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7", \
+// OBSOLETE /* 24 */ "g8", "g9", "g10", "g11", "g12", "g13", "g14", "fp", \
+// OBSOLETE /* 32 */ "pcw", "ac", "tc", "ip", "fp0", "fp1", "fp2", "fp3",\
+// OBSOLETE }
+// OBSOLETE
+// OBSOLETE /* Register numbers of various important registers (used to index
+// OBSOLETE into arrays of register names and register values). */
+// OBSOLETE
+// OBSOLETE #define R0_REGNUM 0 /* First local register */
+// OBSOLETE #define SP_REGNUM 1 /* Contains address of top of stack */
+// OBSOLETE #define RIP_REGNUM 2 /* Return instruction pointer (local r2) */
+// OBSOLETE #define R15_REGNUM 15 /* Last local register */
+// OBSOLETE #define G0_REGNUM 16 /* First global register */
+// OBSOLETE #define G13_REGNUM 29 /* g13 - holds struct return address */
+// OBSOLETE #define G14_REGNUM 30 /* g14 - ptr to arg block / leafproc return address */
+// OBSOLETE #define FP_REGNUM 31 /* Contains address of executing stack frame */
+// OBSOLETE #define PCW_REGNUM 32 /* process control word */
+// OBSOLETE #define ACW_REGNUM 33 /* arithmetic control word */
+// OBSOLETE #define TCW_REGNUM 34 /* trace control word */
+// OBSOLETE #define IP_REGNUM 35 /* instruction pointer */
+// OBSOLETE #define FP0_REGNUM 36 /* First floating point register */
+// OBSOLETE
+// OBSOLETE /* Some registers have more than one name */
+// OBSOLETE
+// OBSOLETE #define PC_REGNUM IP_REGNUM /* GDB refers to ip as the Program Counter */
+// OBSOLETE #define PFP_REGNUM R0_REGNUM /* Previous frame pointer */
+// OBSOLETE
+// OBSOLETE /* Total amount of space needed to store our copies of the machine's
+// OBSOLETE register state, the array `registers'. */
+// OBSOLETE #define REGISTER_BYTES ((36*4) + (4*10))
+// OBSOLETE
+// OBSOLETE /* Index within `registers' of the first byte of the space for register N. */
+// OBSOLETE
+// OBSOLETE #define REGISTER_BYTE(N) ( (N) < FP0_REGNUM ? \
+// OBSOLETE (4*(N)) : ((10*(N)) - (6*FP0_REGNUM)) )
+// OBSOLETE
+// OBSOLETE /* The i960 has register windows, sort of. */
+// OBSOLETE
+// OBSOLETE extern void i960_get_saved_register (char *raw_buffer,
+// OBSOLETE int *optimized,
+// OBSOLETE CORE_ADDR *addrp,
+// OBSOLETE struct frame_info *frame,
+// OBSOLETE int regnum,
+// OBSOLETE enum lval_type *lval);
+// OBSOLETE
+// OBSOLETE #define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) \
+// OBSOLETE i960_get_saved_register(raw_buffer, optimized, addrp, frame, regnum, lval)
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE /* Number of bytes of storage in the actual machine representation
+// OBSOLETE for register N. On the i960, all regs are 4 bytes except for floating
+// OBSOLETE point, which are 10. NINDY only sends us 8 byte values for these,
+// OBSOLETE which is a pain, but VxWorks handles this correctly, so we must. */
+// OBSOLETE
+// OBSOLETE #define REGISTER_RAW_SIZE(N) ( (N) < FP0_REGNUM ? 4 : 10 )
+// OBSOLETE
+// OBSOLETE /* Number of bytes of storage in the program's representation for register N. */
+// OBSOLETE
+// OBSOLETE #define REGISTER_VIRTUAL_SIZE(N) ( (N) < FP0_REGNUM ? 4 : 8 )
+// OBSOLETE
+// OBSOLETE /* Largest value REGISTER_RAW_SIZE can have. */
+// OBSOLETE
+// OBSOLETE #define MAX_REGISTER_RAW_SIZE 10
+// OBSOLETE
+// OBSOLETE /* Largest value REGISTER_VIRTUAL_SIZE can have. */
+// OBSOLETE
+// OBSOLETE #define MAX_REGISTER_VIRTUAL_SIZE 8
+// OBSOLETE
+// OBSOLETE #include "floatformat.h"
+// OBSOLETE
+// OBSOLETE #define TARGET_LONG_DOUBLE_FORMAT &floatformat_i960_ext
+// OBSOLETE
+// OBSOLETE /* Return the GDB type object for the "standard" data type
+// OBSOLETE of data in register N. */
+// OBSOLETE
+// OBSOLETE struct type *i960_register_type (int regnum);
+// OBSOLETE #define REGISTER_VIRTUAL_TYPE(N) i960_register_type (N)
+// OBSOLETE
+// OBSOLETE /* Macros for understanding function return values... */
+// OBSOLETE
+// OBSOLETE /* Does the specified function use the "struct returning" convention
+// OBSOLETE or the "value returning" convention? The "value returning" convention
+// OBSOLETE almost invariably returns the entire value in registers. The
+// OBSOLETE "struct returning" convention often returns the entire value in
+// OBSOLETE memory, and passes a pointer (out of or into the function) saying
+// OBSOLETE where the value (is or should go).
+// OBSOLETE
+// OBSOLETE Since this sometimes depends on whether it was compiled with GCC,
+// OBSOLETE this is also an argument. This is used in call_function to build a
+// OBSOLETE stack, and in value_being_returned to print return values.
+// OBSOLETE
+// OBSOLETE On i960, a structure is returned in registers g0-g3, if it will fit.
+// OBSOLETE If it's more than 16 bytes long, g13 pointed to it on entry. */
+// OBSOLETE
+// OBSOLETE extern use_struct_convention_fn i960_use_struct_convention;
+// OBSOLETE #define USE_STRUCT_CONVENTION(gcc_p, type) i960_use_struct_convention (gcc_p, type)
+// 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 only called if USE_STRUCT_CONVENTION for this
+// OBSOLETE type is 0.
+// OBSOLETE
+// OBSOLETE On the i960 we just take as many bytes as we need from G0 through G3. */
+// OBSOLETE
+// OBSOLETE #define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
+// OBSOLETE memcpy(VALBUF, REGBUF+REGISTER_BYTE(G0_REGNUM), TYPE_LENGTH (TYPE))
+// OBSOLETE
+// OBSOLETE /* If USE_STRUCT_CONVENTION produces a 1,
+// 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 Address of where to put structure was passed in in global
+// OBSOLETE register g13 on entry. God knows what's in g13 now. The
+// OBSOLETE (..., 0) below is to make it appear to return a value, though
+// OBSOLETE actually all it does is call error(). */
+// OBSOLETE
+// OBSOLETE #define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
+// OBSOLETE (error("Don't know where large structure is returned on i960"), 0)
+// OBSOLETE
+// OBSOLETE /* Write into appropriate registers a function return value
+// OBSOLETE of type TYPE, given in virtual format, for "value returning" functions.
+// OBSOLETE
+// OBSOLETE For 'return' command: not (yet) implemented for i960. */
+// OBSOLETE
+// OBSOLETE #define STORE_RETURN_VALUE(TYPE,VALBUF) \
+// OBSOLETE error ("Returning values from functions is not implemented in i960 gdb")
+// 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) \
+// OBSOLETE error ("Returning values from functions is not implemented in i960 gdb")
+// OBSOLETE
+// 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
+// OBSOLETE and produces the frame's chain-pointer.
+// OBSOLETE
+// OBSOLETE However, if FRAME_CHAIN_VALID returns zero,
+// OBSOLETE it means the given frame is the outermost one and has no caller. */
+// OBSOLETE
+// OBSOLETE /* We cache information about saved registers in the frame structure,
+// OBSOLETE to save us from having to re-scan function prologues every time
+// OBSOLETE a register in a non-current frame is accessed. */
+// OBSOLETE
+// OBSOLETE #define EXTRA_FRAME_INFO \
+// OBSOLETE struct frame_saved_regs *fsr; \
+// OBSOLETE CORE_ADDR arg_pointer;
+// OBSOLETE
+// OBSOLETE /* Zero the frame_saved_regs pointer when the frame is initialized,
+// OBSOLETE so that FRAME_FIND_SAVED_REGS () will know to allocate and
+// OBSOLETE initialize a frame_saved_regs struct the first time it is called.
+// OBSOLETE Set the arg_pointer to -1, which is not valid; 0 and other values
+// OBSOLETE indicate real, cached values. */
+// OBSOLETE
+// OBSOLETE #define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \
+// OBSOLETE ((fi)->fsr = 0, (fi)->arg_pointer = -1)
+// OBSOLETE
+// OBSOLETE /* On the i960, we get the chain pointer by reading the PFP saved
+// OBSOLETE on the stack and clearing the status bits. */
+// OBSOLETE
+// OBSOLETE #define FRAME_CHAIN(thisframe) \
+// OBSOLETE (read_memory_integer (FRAME_FP(thisframe), 4) & ~0xf)
+// OBSOLETE
+// OBSOLETE /* FRAME_CHAIN_VALID returns zero if the given frame is the outermost one
+// OBSOLETE and has no caller.
+// OBSOLETE
+// OBSOLETE On the i960, each various target system type must define FRAME_CHAIN_VALID,
+// OBSOLETE since it differs between NINDY and VxWorks, the two currently supported
+// OBSOLETE targets types. We leave it undefined here. */
+// OBSOLETE
+// 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
+// OBSOLETE CORE_ADDR leafproc_return (CORE_ADDR ip);
+// OBSOLETE #define FRAMELESS_FUNCTION_INVOCATION(FI) \
+// OBSOLETE (leafproc_return ((FI)->pc) != 0)
+// OBSOLETE
+// OBSOLETE /* Note that in the i960 architecture the return pointer is saved in the
+// OBSOLETE *caller's* stack frame.
+// OBSOLETE
+// OBSOLETE Make sure to zero low-order bits because of bug in 960CA A-step part
+// OBSOLETE (instruction addresses should always be word-aligned anyway). */
+// OBSOLETE
+// OBSOLETE #define FRAME_SAVED_PC(frame) \
+// OBSOLETE ((read_memory_integer(FRAME_CHAIN(frame)+8,4)) & ~3)
+// OBSOLETE
+// OBSOLETE /* On the i960, FRAME_ARGS_ADDRESS should return the value of
+// OBSOLETE g14 as passed into the frame, if known. We need a function for this.
+// OBSOLETE We cache this value in the frame info if we've already looked it up. */
+// OBSOLETE
+// OBSOLETE #define FRAME_ARGS_ADDRESS(fi) \
+// OBSOLETE (((fi)->arg_pointer != -1)? (fi)->arg_pointer: frame_args_address (fi, 0))
+// OBSOLETE extern CORE_ADDR frame_args_address (); /* i960-tdep.c */
+// OBSOLETE
+// OBSOLETE /* This is the same except it should return 0 when
+// OBSOLETE it does not really know where the args are, rather than guessing.
+// OBSOLETE This value is not cached since it is only used infrequently. */
+// OBSOLETE
+// OBSOLETE #define FRAME_ARGS_ADDRESS_CORRECT(fi) (frame_args_address (fi, 1))
+// OBSOLETE
+// OBSOLETE #define FRAME_LOCALS_ADDRESS(fi) (fi)->frame
+// OBSOLETE
+// OBSOLETE /* Set NUMARGS to the number of args passed to a frame.
+// OBSOLETE Can return -1, meaning no way to tell. */
+// OBSOLETE
+// OBSOLETE #define FRAME_NUM_ARGS(fi) (-1)
+// OBSOLETE
+// OBSOLETE /* Return number of bytes at start of arglist that are not really args. */
+// OBSOLETE
+// OBSOLETE #define FRAME_ARGS_SKIP 0
+// OBSOLETE
+// OBSOLETE /* Produce the positions of the saved registers in a stack frame. */
+// OBSOLETE
+// OBSOLETE #define FRAME_FIND_SAVED_REGS(frame_info_addr, sr) \
+// OBSOLETE frame_find_saved_regs (frame_info_addr, &sr)
+// OBSOLETE extern void frame_find_saved_regs (); /* See i960-tdep.c */
+// OBSOLETE
+// OBSOLETE /* Things needed for making calls to functions in the inferior process */
+// OBSOLETE
+// OBSOLETE /* Push an empty stack frame, to record the current ip, etc.
+// OBSOLETE
+// OBSOLETE Not (yet?) implemented for i960. */
+// OBSOLETE
+// OBSOLETE #define PUSH_DUMMY_FRAME \
+// OBSOLETE error("Function calls into the inferior process are not supported on the i960")
+// OBSOLETE
+// OBSOLETE /* Discard from the stack the innermost frame, restoring all registers. */
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE void i960_pop_frame (void);
+// OBSOLETE #define POP_FRAME \
+// OBSOLETE i960_pop_frame ()
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE /* This sequence of words is the instructions
+// OBSOLETE
+// OBSOLETE callx 0x00000000
+// OBSOLETE fmark
+// OBSOLETE */
+// OBSOLETE
+// OBSOLETE /* #define CALL_DUMMY { 0x86003000, 0x00000000, 0x66003e00 } */
+// OBSOLETE
+// OBSOLETE /* #define CALL_DUMMY_START_OFFSET 0 *//* Start execution at beginning of dummy */
+// OBSOLETE
+// OBSOLETE /* Indicate that we don't support calling inferior child functions. */
+// OBSOLETE
+// OBSOLETE #undef CALL_DUMMY
+// OBSOLETE
+// OBSOLETE /* Insert the specified number of args and function address
+// OBSOLETE into a call sequence of the above form stored at 'dummyname'.
+// OBSOLETE
+// OBSOLETE Ignore arg count on i960. */
+// OBSOLETE
+// OBSOLETE /* #define FIX_CALL_DUMMY(dummyname, fun, nargs) *(((int *)dummyname)+1) = fun */
+// OBSOLETE
+// OBSOLETE #undef FIX_CALL_DUMMY
+// OBSOLETE
+// OBSOLETE
+// OBSOLETE /* Interface definitions for kernel debugger KDB */
+// OBSOLETE /* (Not relevant to i960.) */
--
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