Initial revision

1 files changed, 0 insertions, 1251 deletions

diff --git a/gdb/valops.c b/gdb/valops.c
deleted file mode 100644
index 873518b..0000000
--- a/gdb/valops.c
+++ /dev/null
@@ -1,1251 +0,0 @@
-/* Perform non-arithmetic operations on values, for GDB.
-   Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc.
-
-This file is part of GDB.
-
-GDB 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 1, or (at your option)
-any later version.
-
-GDB 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 GDB; see the file COPYING.  If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
-
-#include "stdio.h"
-#include "defs.h"
-#include "param.h"
-#include "symtab.h"
-#include "value.h"
-#include "frame.h"
-#include "inferior.h"
-
-/* Cast value ARG2 to type TYPE and return as a value.
-   More general than a C cast: accepts any two types of the same length,
-   and if ARG2 is an lvalue it can be cast into anything at all.  */
-
-value
-value_cast (type, arg2)
-     struct type *type;
-     register value arg2;
-{
-  register enum type_code code1;
-  register enum type_code code2;
-  register int scalar;
-
-  /* Coerce arrays but not enums.  Enums will work as-is
-     and coercing them would cause an infinite recursion.  */
-  if (TYPE_CODE (VALUE_TYPE (arg2)) != TYPE_CODE_ENUM)
-    COERCE_ARRAY (arg2);
-
-  code1 = TYPE_CODE (type);
-  code2 = TYPE_CODE (VALUE_TYPE (arg2));
-  scalar = (code2 == TYPE_CODE_INT || code2 == TYPE_CODE_FLT
-	    || code2 == TYPE_CODE_ENUM);
-
-  if (code1 == TYPE_CODE_FLT && scalar)
-    return value_from_double (type, value_as_double (arg2));
-  else if ((code1 == TYPE_CODE_INT || code1 == TYPE_CODE_ENUM)
-	   && (scalar || code2 == TYPE_CODE_PTR))
-    return value_from_long (type, value_as_long (arg2));
-  else if (TYPE_LENGTH (type) == TYPE_LENGTH (VALUE_TYPE (arg2)))
-    {
-      VALUE_TYPE (arg2) = type;
-      return arg2;
-    }
-  else if (VALUE_LVAL (arg2) == lval_memory)
-    {
-      return value_at (type, VALUE_ADDRESS (arg2) + VALUE_OFFSET (arg2));
-    }
-  else
-    error ("Invalid cast.");
-}
-
-/* Create a value of type TYPE that is zero, and return it.  */
-
-value
-value_zero (type, lv)
-     struct type *type;
-     enum lval_type lv;
-{
-  register value val = allocate_value (type);
-
-  bzero (VALUE_CONTENTS (val), TYPE_LENGTH (type));
-  VALUE_LVAL (val) = lv;
-
-  return val;
-}
-
-/* Return the value with a specified type located at specified address.  */
-
-value
-value_at (type, addr)
-     struct type *type;
-     CORE_ADDR addr;
-{
-  register value val = allocate_value (type);
-  int temp;
-
-  temp = read_memory (addr, VALUE_CONTENTS (val), TYPE_LENGTH (type));
-  if (temp)
-    {
-      if (have_inferior_p ())
-	print_sys_errmsg ("ptrace", temp);
-      /* Actually, address between addr and addr + len was out of bounds. */
-      error ("Cannot read memory: address 0x%x out of bounds.", addr);
-    }
-
-  VALUE_LVAL (val) = lval_memory;
-  VALUE_ADDRESS (val) = addr;
-
-  return val;
-}
-
-/* Store the contents of FROMVAL into the location of TOVAL.
-   Return a new value with the location of TOVAL and contents of FROMVAL.  */
-
-value
-value_assign (toval, fromval)
-     register value toval, fromval;
-{
-  register struct type *type = VALUE_TYPE (toval);
-  register value val;
-  char raw_buffer[MAX_REGISTER_RAW_SIZE];
-  char virtual_buffer[MAX_REGISTER_VIRTUAL_SIZE];
-  int use_buffer = 0;
-
-  extern CORE_ADDR find_saved_register ();
-
-  COERCE_ARRAY (fromval);
-
-  if (VALUE_LVAL (toval) != lval_internalvar)
-    fromval = value_cast (type, fromval);
-
-  /* If TOVAL is a special machine register requiring conversion
-     of program values to a special raw format,
-     convert FROMVAL's contents now, with result in `raw_buffer',
-     and set USE_BUFFER to the number of bytes to write.  */
-
-  if (VALUE_REGNO (toval) >= 0
-      && REGISTER_CONVERTIBLE (VALUE_REGNO (toval)))
-    {
-      int regno = VALUE_REGNO (toval);
-      if (VALUE_TYPE (fromval) != REGISTER_VIRTUAL_TYPE (regno))
-	fromval = value_cast (REGISTER_VIRTUAL_TYPE (regno), fromval);
-      bcopy (VALUE_CONTENTS (fromval), virtual_buffer,
-	     REGISTER_VIRTUAL_SIZE (regno));
-      REGISTER_CONVERT_TO_RAW (regno, virtual_buffer, raw_buffer);
-      use_buffer = REGISTER_RAW_SIZE (regno);
-    }
-
-  switch (VALUE_LVAL (toval))
-    {
-    case lval_internalvar:
-      set_internalvar (VALUE_INTERNALVAR (toval), fromval);
-      break;
-
-    case lval_internalvar_component:
-      set_internalvar_component (VALUE_INTERNALVAR (toval),
-				 VALUE_OFFSET (toval),
-				 VALUE_BITPOS (toval),
-				 VALUE_BITSIZE (toval),
-				 fromval);
-      break;
-
-    case lval_memory:
-      if (VALUE_BITSIZE (toval))
-	{
-	  int val;
-	  read_memory (VALUE_ADDRESS (toval) + VALUE_OFFSET (toval),
-		       &val, sizeof val);
-	  modify_field (&val, (int) value_as_long (fromval),
-			VALUE_BITPOS (toval), VALUE_BITSIZE (toval));
-	  write_memory (VALUE_ADDRESS (toval) + VALUE_OFFSET (toval),
-			&val, sizeof val);
-	}
-      else if (use_buffer)
-	write_memory (VALUE_ADDRESS (toval) + VALUE_OFFSET (toval),
-		      raw_buffer, use_buffer);
-      else
-	write_memory (VALUE_ADDRESS (toval) + VALUE_OFFSET (toval),
-		      VALUE_CONTENTS (fromval), TYPE_LENGTH (type));
-      break;
-
-    case lval_register:
-      if (VALUE_BITSIZE (toval))
-	{
-	  int val;
-
-	  read_register_bytes (VALUE_ADDRESS (toval) + VALUE_OFFSET (toval),
-			       &val, sizeof val);
-	  modify_field (&val, (int) value_as_long (fromval),
-			VALUE_BITPOS (toval), VALUE_BITSIZE (toval));
-	  write_register_bytes (VALUE_ADDRESS (toval) + VALUE_OFFSET (toval),
-				&val, sizeof val);
-	}
-      else if (use_buffer)
-	write_register_bytes (VALUE_ADDRESS (toval) + VALUE_OFFSET (toval),
-			      raw_buffer, use_buffer);
-      else
-	write_register_bytes (VALUE_ADDRESS (toval) + VALUE_OFFSET (toval),
-			      VALUE_CONTENTS (fromval), TYPE_LENGTH (type));
-      break;
-
-    case lval_reg_frame_relative:
-      {
-	/* value is stored in a series of registers in the frame
-	   specified by the structure.  Copy that value out, modify
-	   it, and copy it back in.  */
-	int amount_to_copy = (VALUE_BITSIZE (toval) ? 1 : TYPE_LENGTH (type));
-	int reg_size = REGISTER_RAW_SIZE (VALUE_FRAME_REGNUM (toval));
-	int byte_offset = VALUE_OFFSET (toval) % reg_size;
-	int reg_offset = VALUE_OFFSET (toval) / reg_size;
-	int amount_copied;
-	char *buffer = (char *) alloca (amount_to_copy);
-	int regno;
-	FRAME frame;
-	CORE_ADDR addr;
-
-	/* Figure out which frame this is in currently.  */
-	for (frame = get_current_frame ();
-	     frame && FRAME_FP (frame) != VALUE_FRAME (toval);
-	     frame = get_prev_frame (frame))
-	  ;
-
-	if (!frame)
-	  error ("Value being assigned to is no longer active.");
-
-	amount_to_copy += (reg_size - amount_to_copy % reg_size);
-
-	/* Copy it out.  */
-	for ((regno = VALUE_FRAME_REGNUM (toval) + reg_offset,
-	      amount_copied = 0);
-	     amount_copied < amount_to_copy;
-	     amount_copied += reg_size, regno++)
-	  {
-	    addr = find_saved_register (frame, regno);
-	    if (addr == 0)
-	      read_register_bytes (REGISTER_BYTE (regno),
-				   buffer + amount_copied,
-				   reg_size);
-	    else
-	      read_memory (addr, buffer + amount_copied, reg_size);
-	  }
-
-	/* Modify what needs to be modified.  */
-	if (VALUE_BITSIZE (toval))
-	  modify_field (buffer + byte_offset,
-			(int) value_as_long (fromval),
-			VALUE_BITPOS (toval), VALUE_BITSIZE (toval));
-	else if (use_buffer)
-	  bcopy (raw_buffer, buffer + byte_offset, use_buffer);
-	else
-	  bcopy (VALUE_CONTENTS (fromval), buffer + byte_offset,
-		 TYPE_LENGTH (type));
-
-	/* Copy it back.  */
-	for ((regno = VALUE_FRAME_REGNUM (toval) + reg_offset,
-	      amount_copied = 0);
-	     amount_copied < amount_to_copy;
-	     amount_copied += reg_size, regno++)
-	  {
-	    addr = find_saved_register (frame, regno);
-	    if (addr == 0)
-	      write_register_bytes (REGISTER_BYTE (regno),
-				    buffer + amount_copied,
-				    reg_size);
-	    else
-	      write_memory (addr, buffer + amount_copied, reg_size);
-	  }
-      }
-      break;
-	
-
-    default:
-      error ("Left side of = operation is not an lvalue.");
-    }
-
-  /* Return a value just like TOVAL except with the contents of FROMVAL
-     (except in the case of the type if TOVAL is an internalvar).  */
-
-  if (VALUE_LVAL (toval) == lval_internalvar
-      || VALUE_LVAL (toval) == lval_internalvar_component)
-    {
-      type = VALUE_TYPE (fromval);
-    }
-
-  val = allocate_value (type);
-  bcopy (toval, val, VALUE_CONTENTS (val) - (char *) val);
-  bcopy (VALUE_CONTENTS (fromval), VALUE_CONTENTS (val), TYPE_LENGTH (type));
-  VALUE_TYPE (val) = type;
-  
-  return val;
-}
-
-/* Extend a value VAL to COUNT repetitions of its type.  */
-
-value
-value_repeat (arg1, count)
-     value arg1;
-     int count;
-{
-  register value val;
-
-  if (VALUE_LVAL (arg1) != lval_memory)
-    error ("Only values in memory can be extended with '@'.");
-  if (count < 1)
-    error ("Invalid number %d of repetitions.", count);
-
-  val = allocate_repeat_value (VALUE_TYPE (arg1), count);
-
-  read_memory (VALUE_ADDRESS (arg1) + VALUE_OFFSET (arg1),
-	       VALUE_CONTENTS (val),
-	       TYPE_LENGTH (VALUE_TYPE (val)) * count);
-  VALUE_LVAL (val) = lval_memory;
-  VALUE_ADDRESS (val) = VALUE_ADDRESS (arg1) + VALUE_OFFSET (arg1);
-
-  return val;
-}
-
-value
-value_of_variable (var)
-     struct symbol *var;
-{
-  return read_var_value (var, (FRAME) 0);
-}
-
-/* Given a value which is an array, return a value which is
-   a pointer to its first element.  */
-
-value
-value_coerce_array (arg1)
-     value arg1;
-{
-  register struct type *type;
-  register value val;
-
-  if (VALUE_LVAL (arg1) != lval_memory)
-    error ("Attempt to take address of value not located in memory.");
-
-  /* Get type of elements.  */
-  if (TYPE_CODE (VALUE_TYPE (arg1)) == TYPE_CODE_ARRAY)
-    type = TYPE_TARGET_TYPE (VALUE_TYPE (arg1));
-  else
-    /* A phony array made by value_repeat.
-       Its type is the type of the elements, not an array type.  */
-    type = VALUE_TYPE (arg1);
-
-  /* Get the type of the result.  */
-  type = lookup_pointer_type (type);
-  val = value_from_long (builtin_type_long,
-		       (LONGEST) (VALUE_ADDRESS (arg1) + VALUE_OFFSET (arg1)));
-  VALUE_TYPE (val) = type;
-  return val;
-}
-
-/* Return a pointer value for the object for which ARG1 is the contents.  */
-
-value
-value_addr (arg1)
-     value arg1;
-{
-  register struct type *type;
-  register value val, arg1_coerced;
-
-  /* Taking the address of an array is really a no-op
-     once the array is coerced to a pointer to its first element.  */
-  arg1_coerced = arg1;
-  COERCE_ARRAY (arg1_coerced);
-  if (arg1 != arg1_coerced)
-    return arg1_coerced;
-
-  if (VALUE_LVAL (arg1) != lval_memory)
-    error ("Attempt to take address of value not located in memory.");
-
-  /* Get the type of the result.  */
-  type = lookup_pointer_type (VALUE_TYPE (arg1));
-  val = value_from_long (builtin_type_long,
-		(LONGEST) (VALUE_ADDRESS (arg1) + VALUE_OFFSET (arg1)));
-  VALUE_TYPE (val) = type;
-  return val;
-}
-
-/* Given a value of a pointer type, apply the C unary * operator to it.  */
-
-value
-value_ind (arg1)
-     value arg1;
-{
-  /* Must do this before COERCE_ARRAY, otherwise an infinite loop
-     will result */
-  if (TYPE_CODE (VALUE_TYPE (arg1)) == TYPE_CODE_REF)
-    return value_at (TYPE_TARGET_TYPE (VALUE_TYPE (arg1)),
-		     (CORE_ADDR) value_as_long (arg1));
-
-  COERCE_ARRAY (arg1);
-
-  if (TYPE_CODE (VALUE_TYPE (arg1)) == TYPE_CODE_MEMBER)
-    error ("not implemented: member types in value_ind");
-
-  /* Allow * on an integer so we can cast it to whatever we want.
-     This returns an int, which seems like the most C-like thing
-     to do.  "long long" variables are rare enough that
-     BUILTIN_TYPE_LONGEST would seem to be a mistake.  */
-  if (TYPE_CODE (VALUE_TYPE (arg1)) == TYPE_CODE_INT)
-    return value_at (builtin_type_int,
-		     (CORE_ADDR) value_as_long (arg1));
-  else if (TYPE_CODE (VALUE_TYPE (arg1)) == TYPE_CODE_PTR)
-    return value_at (TYPE_TARGET_TYPE (VALUE_TYPE (arg1)),
-		     (CORE_ADDR) value_as_long (arg1));
-  else if (TYPE_CODE (VALUE_TYPE (arg1)) == TYPE_CODE_REF)
-    return value_at (TYPE_TARGET_TYPE (VALUE_TYPE (arg1)),
-		     (CORE_ADDR) value_as_long (arg1));
-  error ("Attempt to take contents of a non-pointer value.");
-}
-
-/* Pushing small parts of stack frames.  */
-
-/* Push one word (the size of object that a register holds).  */
-
-CORE_ADDR
-push_word (sp, buffer)
-     CORE_ADDR sp;
-     REGISTER_TYPE buffer;
-{
-  register int len = sizeof (REGISTER_TYPE);
-
-#if 1 INNER_THAN 2
-  sp -= len;
-  write_memory (sp, &buffer, len);
-#else /* stack grows upward */
-  write_memory (sp, &buffer, len);
-  sp += len;
-#endif /* stack grows upward */
-
-  return sp;
-}
-
-/* Push LEN bytes with data at BUFFER.  */
-
-CORE_ADDR
-push_bytes (sp, buffer, len)
-     CORE_ADDR sp;
-     char *buffer;
-     int len;
-{
-#if 1 INNER_THAN 2
-  sp -= len;
-  write_memory (sp, buffer, len);
-#else /* stack grows upward */
-  write_memory (sp, buffer, len);
-  sp += len;
-#endif /* stack grows upward */
-
-  return sp;
-}
-
-/* Push onto the stack the specified value VALUE.  */
-
-CORE_ADDR
-value_push (sp, arg)
-     register CORE_ADDR sp;
-     value arg;
-{
-  register int len = TYPE_LENGTH (VALUE_TYPE (arg));
-
-#if 1 INNER_THAN 2
-  sp -= len;
-  write_memory (sp, VALUE_CONTENTS (arg), len);
-#else /* stack grows upward */
-  write_memory (sp, VALUE_CONTENTS (arg), len);
-  sp += len;
-#endif /* stack grows upward */
-
-  return sp;
-}
-
-/* Perform the standard coercions that are specified
-   for arguments to be passed to C functions.  */
-
-value
-value_arg_coerce (arg)
-     value arg;
-{
-  register struct type *type;
-
-  COERCE_ENUM (arg);
-
-  type = VALUE_TYPE (arg);
-
-  if (TYPE_CODE (type) == TYPE_CODE_INT
-      && TYPE_LENGTH (type) < sizeof (int))
-    return value_cast (builtin_type_int, arg);
-
-  if (type == builtin_type_float)
-    return value_cast (builtin_type_double, arg);
-
-  return arg;
-}
-
-/* Push the value ARG, first coercing it as an argument
-   to a C function.  */
-
-CORE_ADDR
-value_arg_push (sp, arg)
-     register CORE_ADDR sp;
-     value arg;
-{
-  return value_push (sp, value_arg_coerce (arg));
-}
-
-/* Perform a function call in the inferior.
-   ARGS is a vector of values of arguments (NARGS of them).
-   FUNCTION is a value, the function to be called.
-   Returns a value representing what the function returned.
-   May fail to return, if a breakpoint or signal is hit
-   during the execution of the function.  */
-
-value
-call_function (function, nargs, args)
-     value function;
-     int nargs;
-     value *args;
-{
-  register CORE_ADDR sp;
-  register int i;
-  CORE_ADDR start_sp;
-  static REGISTER_TYPE dummy[] = CALL_DUMMY;
-  REGISTER_TYPE dummy1[sizeof dummy / sizeof (REGISTER_TYPE)];
-  CORE_ADDR old_sp;
-  struct type *value_type;
-  unsigned char struct_return;
-  CORE_ADDR struct_addr;
-  struct inferior_status inf_status;
-  struct cleanup *old_chain;
-
-  if (!have_inferior_p ())
-    error ("Cannot invoke functions if the inferior is not running.");
-
-  save_inferior_status (&inf_status, 1);
-  old_chain = make_cleanup (restore_inferior_status, &inf_status);
-
-  /* PUSH_DUMMY_FRAME is responsible for saving the inferior registers
-     (and POP_FRAME for restoring them).  (At least on most machines)
-     they are saved on the stack in the inferior.  */
-  PUSH_DUMMY_FRAME;
-
-  old_sp = sp = read_register (SP_REGNUM);
-
-#if 1 INNER_THAN 2		/* Stack grows down */
-  sp -= sizeof dummy;
-  start_sp = sp;
-#else				/* Stack grows up */
-  start_sp = sp;
-  sp += sizeof dummy;
-#endif
-
-  {
-    register CORE_ADDR funaddr;
-    register struct type *ftype = VALUE_TYPE (function);
-    register enum type_code code = TYPE_CODE (ftype);
-
-    /* If it's a member function, just look at the function
-       part of it.  */
-
-    /* Determine address to call.  */
-    if (code == TYPE_CODE_FUNC || code == TYPE_CODE_METHOD)
-      {
-	funaddr = VALUE_ADDRESS (function);
-	value_type = TYPE_TARGET_TYPE (ftype);
-      }
-    else if (code == TYPE_CODE_PTR)
-      {
-	funaddr = value_as_long (function);
-	if (TYPE_CODE (TYPE_TARGET_TYPE (ftype)) == TYPE_CODE_FUNC
-	    || TYPE_CODE (TYPE_TARGET_TYPE (ftype)) == TYPE_CODE_METHOD)
-	  value_type = TYPE_TARGET_TYPE (TYPE_TARGET_TYPE (ftype));
-	else
-	  value_type = builtin_type_int;
-      }
-    else if (code == TYPE_CODE_INT)
-      {
-	/* Handle the case of functions lacking debugging info.
-	   Their values are characters since their addresses are char */
-	if (TYPE_LENGTH (ftype) == 1)
-	  funaddr = value_as_long (value_addr (function));
-	else
-	  /* Handle integer used as address of a function.  */
-	  funaddr = value_as_long (function);
-
-	value_type = builtin_type_int;
-      }
-    else
-      error ("Invalid data type for function to be called.");
-
-    /* Are we returning a value using a structure return or a normal
-       value return? */
-
-    struct_return = using_struct_return (function, funaddr, value_type);
-
-    /* Create a call sequence customized for this function
-       and the number of arguments for it.  */
-    bcopy (dummy, dummy1, sizeof dummy);
-    FIX_CALL_DUMMY (dummy1, start_sp, funaddr, nargs, value_type);
-  }
-
-#ifndef CANNOT_EXECUTE_STACK
-  write_memory (start_sp, dummy1, sizeof dummy);
-
-#else
-  /* Convex Unix prohibits executing in the stack segment. */
-  /* Hope there is empty room at the top of the text segment. */
-  {
-    extern CORE_ADDR text_end;
-    static checked = 0;
-    if (!checked)
-      for (start_sp = text_end - sizeof dummy; start_sp < text_end; ++start_sp)
-	if (read_memory_integer (start_sp, 1) != 0)
-	  error ("text segment full -- no place to put call");
-    checked = 1;
-    sp = old_sp;
-    start_sp = text_end - sizeof dummy;
-    write_memory (start_sp, dummy1, sizeof dummy);
-  }
-#endif /* CANNOT_EXECUTE_STACK */
-#ifdef STACK_ALIGN
-  /* If stack grows down, we must leave a hole at the top. */
-  {
-    int len = 0;
-
-    /* Reserve space for the return structure to be written on the
-       stack, if necessary */
-
-    if (struct_return)
-      len += TYPE_LENGTH (value_type);
-    
-    for (i = nargs - 1; i >= 0; i--)
-      len += TYPE_LENGTH (VALUE_TYPE (value_arg_coerce (args[i])));
-#ifdef CALL_DUMMY_STACK_ADJUST
-    len += CALL_DUMMY_STACK_ADJUST;
-#endif
-#if 1 INNER_THAN 2
-    sp -= STACK_ALIGN (len) - len;
-#else
-    sp += STACK_ALIGN (len) - len;
-#endif
-  }
-#endif /* STACK_ALIGN */
-
-    /* Reserve space for the return structure to be written on the
-       stack, if necessary */
-
-    if (struct_return)
-      {
-#if 1 INNER_THAN 2
-	sp -= TYPE_LENGTH (value_type);
-	struct_addr = sp;
-#else
-	struct_addr = sp;
-	sp += TYPE_LENGTH (value_type);
-#endif
-      }
-    
-  for (i = nargs - 1; i >= 0; i--)
-    sp = value_arg_push (sp, args[i]);
-
-#ifdef CALL_DUMMY_STACK_ADJUST
-#if 1 INNER_THAN 2
-  sp -= CALL_DUMMY_STACK_ADJUST;
-#else
-  sp += CALL_DUMMY_STACK_ADJUST;
-#endif
-#endif /* CALL_DUMMY_STACK_ADJUST */
-
-  /* Store the address at which the structure is supposed to be
-     written.  Note that this (and the code which reserved the space
-     above) assumes that gcc was used to compile this function.  Since
-     it doesn't cost us anything but space and if the function is pcc
-     it will ignore this value, we will make that assumption.
-
-     Also note that on some machines (like the sparc) pcc uses this
-     convention in a slightly twisted way also.  */
-
-  if (struct_return)
-    STORE_STRUCT_RETURN (struct_addr, sp);
-
-  /* Write the stack pointer.  This is here because the statement above
-     might fool with it */
-  write_register (SP_REGNUM, sp);
-
-  /* Figure out the value returned by the function.  */
-  {
-    char retbuf[REGISTER_BYTES];
-
-    /* Execute the stack dummy routine, calling FUNCTION.
-       When it is done, discard the empty frame
-       after storing the contents of all regs into retbuf.  */
-    run_stack_dummy (start_sp + CALL_DUMMY_START_OFFSET, retbuf);
-
-    do_cleanups (old_chain);
-
-    return value_being_returned (value_type, retbuf, struct_return);
-  }
-}
-
-/* Create a value for a string constant:
-   Call the function malloc in the inferior to get space for it,
-   then copy the data into that space
-   and then return the address with type char *.
-   PTR points to the string constant data; LEN is number of characters.  */
-
-value
-value_string (ptr, len)
-     char *ptr;
-     int len;
-{
-  register value val;
-  register struct symbol *sym;
-  value blocklen;
-  register char *copy = (char *) alloca (len + 1);
-  char *i = ptr;
-  register char *o = copy, *ibeg = ptr;
-  register int c;
-
-  /* Copy the string into COPY, processing escapes.
-     We could not conveniently process them in expread
-     because the string there wants to be a substring of the input.  */
-
-  while (i - ibeg < len)
-    {
-      c = *i++;
-      if (c == '\\')
-	{
-	  c = parse_escape (&i);
-	  if (c == -1)
-	    continue;
-	}
-      *o++ = c;
-    }
-  *o = 0;
-
-  /* Get the length of the string after escapes are processed.  */
-
-  len = o - copy;
-
-  /* Find the address of malloc in the inferior.  */
-
-  sym = lookup_symbol ("malloc", 0, VAR_NAMESPACE, 0);
-  if (sym != 0)
-    {
-      if (SYMBOL_CLASS (sym) != LOC_BLOCK)
-	error ("\"malloc\" exists in this program but is not a function.");
-      val = value_of_variable (sym);
-    }
-  else
-    {
-      register int i;
-      for (i = 0; i < misc_function_count; i++)
-	if (!strcmp (misc_function_vector[i].name, "malloc"))
-	  break;
-      if (i < misc_function_count)
-	val = value_from_long (builtin_type_long,
-			     (LONGEST) misc_function_vector[i].address);
-      else
-	error ("String constants require the program to have a function \"malloc\".");
-    }
-
-  blocklen = value_from_long (builtin_type_int, (LONGEST) (len + 1));
-  val = call_function (val, 1, &blocklen);
-  if (value_zerop (val))
-    error ("No memory available for string constant.");
-  write_memory ((CORE_ADDR) value_as_long (val), copy, len + 1);
-  VALUE_TYPE (val) = lookup_pointer_type (builtin_type_char);
-  return val;
-}
-
-/* Given ARG1, a value of type (pointer to a)* structure/union,
-   extract the component named NAME from the ultimate target structure/union
-   and return it as a value with its appropriate type.
-   ERR is used in the error message if ARG1's type is wrong.
-
-   C++: ARGS is a list of argument types to aid in the selection of
-   an appropriate method. Also, handle derived types.
-
-   STATIC_MEMFUNCP, if non-NULL, points to a caller-supplied location
-   where the truthvalue of whether the function that was resolved was
-   a static member function or not.
-
-   ERR is an error message to be printed in case the field is not found.  */
-
-value
-value_struct_elt (arg1, args, name, static_memfuncp, err)
-     register value arg1, *args;
-     char *name;
-     int *static_memfuncp;
-     char *err;
-{
-  register struct type *t;
-  register int i;
-  int found = 0;
-
-  struct type *baseclass;
-
-  COERCE_ARRAY (arg1);
-
-  t = VALUE_TYPE (arg1);
-
-  /* Follow pointers until we get to a non-pointer.  */
-
-  while (TYPE_CODE (t) == TYPE_CODE_PTR || TYPE_CODE (t) == TYPE_CODE_REF)
-    {
-      arg1 = value_ind (arg1);
-      COERCE_ARRAY (arg1);
-      t = VALUE_TYPE (arg1);
-    }
-
-  if (TYPE_CODE (t) == TYPE_CODE_MEMBER)
-    error ("not implemented: member type in value_struct_elt");
-
-  if (TYPE_CODE (t) != TYPE_CODE_STRUCT
-      && TYPE_CODE (t) != TYPE_CODE_UNION)
-    error ("Attempt to extract a component of a value that is not a %s.", err);
-
-  baseclass = t;
-
-  /* Assume it's not, unless we see that it is.  */
-  if (static_memfuncp)
-    *static_memfuncp =0;
-
-  if (!args)
-    {
-      /* if there are no arguments ...do this...  */
-
-      /* Try as a variable first, because if we succeed, there
-	 is less work to be done.  */
-      while (t)
-	{
-	  for (i = TYPE_NFIELDS (t) - 1; i >= 0; i--)
-	    {
-	      char *t_field_name = TYPE_FIELD_NAME (t, i);
-	      if (t_field_name && !strcmp (t_field_name, name))
-		{
-		  found = 1;
-		  break;
-		}
-	    }
-
-	  if (i >= 0)
-	    return TYPE_FIELD_STATIC (t, i)
-	      ? value_static_field (t, name, i) : value_field (arg1, i);
-
-	  if (TYPE_N_BASECLASSES (t) == 0)
-	    break;
-
-	  t = TYPE_BASECLASS (t, 1);
-	  VALUE_TYPE (arg1) = t; /* side effect! */
-	}
-
-      /* C++: If it was not found as a data field, then try to
-         return it as a pointer to a method.  */
-      t = baseclass;
-      VALUE_TYPE (arg1) = t;	/* side effect! */
-
-      if (destructor_name_p (name, t))
-	error ("use `info method' command to print out value of destructor");
-
-      while (t)
-	{
-	  for (i = TYPE_NFN_FIELDS (t) - 1; i >= 0; --i)
-	    {
-	      if (! strcmp (TYPE_FN_FIELDLIST_NAME (t, i), name))
-		{
-		  error ("use `info method' command to print value of method \"%s\"", name);
-		}
-	    }
-
-	  if (TYPE_N_BASECLASSES (t) == 0)
-	    break;
-
-	  t = TYPE_BASECLASS (t, 1);
-	}
-
-      if (found == 0)
-	error ("There is no field named %s.", name);
-      return 0;
-    }
-
-  if (destructor_name_p (name, t))
-    {
-      if (!args[1])
-	{
-	  /* destructors are a special case.  */
-	  return (value)value_fn_field (arg1, 0,
-					TYPE_FN_FIELDLIST_LENGTH (t, 0));
-	}
-      else
-	{
-	  error ("destructor should not have any argument");
-	}
-    }
-
-  /*   This following loop is for methods with arguments.  */
-  while (t)
-    {
-      /* Look up as method first, because that is where we
-	 expect to find it first.  */
-      for (i = TYPE_NFN_FIELDS (t) - 1; i >= 0; i--)
-	{
-	  struct fn_field *f = TYPE_FN_FIELDLIST1 (t, i);
-
-	  if (!strcmp (TYPE_FN_FIELDLIST_NAME (t, i), name))
-	    {
-	      int j;
-	      struct fn_field *f = TYPE_FN_FIELDLIST1 (t, i);
-
-	      found = 1;
-	      for (j = TYPE_FN_FIELDLIST_LENGTH (t, i) - 1; j >= 0; --j)
-		if (!typecmp (TYPE_FN_FIELD_STATIC_P (f, j),
-			      TYPE_FN_FIELD_ARGS (f, j), args))
-		  {
-		    if (TYPE_FN_FIELD_VIRTUAL_P (f, j))
-		      return (value)value_virtual_fn_field (arg1, f, j, t);
-		    if (TYPE_FN_FIELD_STATIC_P (f, j) && static_memfuncp)
-		      *static_memfuncp = 1;
-		    return (value)value_fn_field (arg1, i, j);
-		  }
-	    }
-	}
-
-      if (TYPE_N_BASECLASSES (t) == 0)
-	break;
-      
-      t = TYPE_BASECLASS (t, 1);
-      VALUE_TYPE (arg1) = t;	/* side effect! */
-    }
-
-  if (found)
-    {
-      error ("Structure method %s not defined for arglist.", name);
-      return 0;
-    }
-  else
-    {
-      /* See if user tried to invoke data as function */
-      t = baseclass;
-      while (t)
-	{
-	  for (i = TYPE_NFIELDS (t) - 1; i >= 0; i--)
-	    {
-	      char *t_field_name = TYPE_FIELD_NAME (t, i);
-	      if (t_field_name && !strcmp (t_field_name, name))
-		{
-		  found = 1;
-		  break;
-		}
-	    }
-
-	  if (i >= 0)
-	    return TYPE_FIELD_STATIC (t, i)
-	      ? value_static_field (t, name, i) : value_field (arg1, i);
-
-	  if (TYPE_N_BASECLASSES (t) == 0)
-	    break;
-
-	  t = TYPE_BASECLASS (t, 1);
-	  VALUE_TYPE (arg1) = t; /* side effect! */
-	}
-      error ("Structure has no component named %s.", name);
-    }
-}
-
-/* C++: return 1 is NAME is a legitimate name for the destructor
-   of type TYPE.  If TYPE does not have a destructor, or
-   if NAME is inappropriate for TYPE, an error is signaled.  */
-int
-destructor_name_p (name, type)
-     char *name;
-     struct type *type;
-{
-  /* destructors are a special case.  */
-  char *dname = TYPE_NAME (type);
-
-  if (name[0] == '~')
-    {
-      if (! TYPE_HAS_DESTRUCTOR (type))
-	error ("type `%s' does not have destructor defined",
-	       TYPE_NAME (type));
-      /* Skip past the "struct " at the front.  */
-      while (*dname++ != ' ') ;
-      if (strcmp (dname, name+1))
-	error ("destructor specification error");
-      else
-	return 1;
-    }
-  return 0;
-}
-
-/* C++: Given ARG1, a value of type (pointer to a)* structure/union,
-   return 1 if the component named NAME from the ultimate
-   target structure/union is defined, otherwise, return 0.  */
-
-int
-check_field (arg1, name)
-     register value arg1;
-     char *name;
-{
-  register struct type *t;
-  register int i;
-  int found = 0;
-
-  struct type *baseclass;
-
-  COERCE_ARRAY (arg1);
-
-  t = VALUE_TYPE (arg1);
-
-  /* Follow pointers until we get to a non-pointer.  */
-
-  while (TYPE_CODE (t) == TYPE_CODE_PTR || TYPE_CODE (t) == TYPE_CODE_REF)
-    t = TYPE_TARGET_TYPE (t);
-
-  if (TYPE_CODE (t) == TYPE_CODE_MEMBER)
-    error ("not implemented: member type in check_field");
-
-  if (TYPE_CODE (t) != TYPE_CODE_STRUCT
-      && TYPE_CODE (t) != TYPE_CODE_UNION)
-    error ("Internal error: `this' is not an aggregate");
-
-  baseclass = t;
-
-  while (t)
-    {
-      for (i = TYPE_NFIELDS (t) - 1; i >= 0; i--)
-	{
-	  char *t_field_name = TYPE_FIELD_NAME (t, i);
-	  if (t_field_name && !strcmp (t_field_name, name))
-	    {
-	      return 1;
-	    }
-	}
-      if (TYPE_N_BASECLASSES (t) == 0)
-	break;
-
-      t = TYPE_BASECLASS (t, 1);
-    }
-
-  /* C++: If it was not found as a data field, then try to
-     return it as a pointer to a method.  */
-  t = baseclass;
-  VALUE_TYPE (arg1) = t;	/* side effect! */
-
-  /* Destructors are a special case.  */
-  if (destructor_name_p (name, t))
-    return 1;
-
-  while (t)
-    {
-      for (i = TYPE_NFN_FIELDS (t) - 1; i >= 0; --i)
-	{
-	  if (!strcmp (TYPE_FN_FIELDLIST_NAME (t, i), name))
-	    return 1;
-	}
-
-      if (TYPE_N_BASECLASSES (t) == 0)
-	break;
-
-      t = TYPE_BASECLASS (t, 1);
-    }
-  return 0;
-}
-
-/* C++: Given an aggregate type DOMAIN, and a member name NAME,
-   return the address of this member as a pointer to member
-   type.  If INTYPE is non-null, then it will be the type
-   of the member we are looking for.  This will help us resolve
-   pointers to member functions.  */
-
-value
-value_struct_elt_for_address (domain, intype, name)
-     struct type *domain, *intype;
-     char *name;
-{
-  register struct type *t = domain;
-  register int i;
-  int found = 0;
-  value v;
-
-  struct type *baseclass;
-
-  if (TYPE_CODE (t) != TYPE_CODE_STRUCT
-      && TYPE_CODE (t) != TYPE_CODE_UNION)
-    error ("Internal error: non-aggregate type to value_struct_elt_for_address");
-
-  baseclass = t;
-
-  while (t)
-    {
-      for (i = TYPE_NFIELDS (t) - 1; i >= 0; i--)
-	{
-	  char *t_field_name = TYPE_FIELD_NAME (t, i);
-	  if (t_field_name && !strcmp (t_field_name, name))
-	    {
-	      if (TYPE_FIELD_PACKED (t, i))
-		error ("pointers to bitfield members not allowed");
-
-	      v = value_from_long (builtin_type_int,
-				   (LONGEST) (TYPE_FIELD_BITPOS (t, i) >> 3));
-	      VALUE_TYPE (v) = lookup_pointer_type (
-		      lookup_member_type (TYPE_FIELD_TYPE (t, i), baseclass));
-	      return v;
-	    }
-	}
-
-      if (TYPE_N_BASECLASSES (t) == 0)
-	break;
-
-      t = TYPE_BASECLASS (t, 1);
-    }
-
-  /* C++: If it was not found as a data field, then try to
-     return it as a pointer to a method.  */
-  t = baseclass;
-
-  /* Destructors are a special case.  */
-  if (destructor_name_p (name, t))
-    {
-      error ("pointers to destructors not implemented yet");
-    }
-
-  /* Perform all necessary dereferencing.  */
-  while (intype && TYPE_CODE (intype) == TYPE_CODE_PTR)
-    intype = TYPE_TARGET_TYPE (intype);
-
-  while (t)
-    {
-      for (i = TYPE_NFN_FIELDS (t) - 1; i >= 0; --i)
-	{
-	  if (!strcmp (TYPE_FN_FIELDLIST_NAME (t, i), name))
-	    {
-	      int j = TYPE_FN_FIELDLIST_LENGTH (t, i);
-	      struct fn_field *f = TYPE_FN_FIELDLIST1 (t, i);
-
-	      if (intype == 0 && j > 1)
-		error ("non-unique member `%s' requires type instantiation", name);
-	      if (intype)
-		{
-		  while (j--)
-		    if (TYPE_FN_FIELD_TYPE (f, j) == intype)
-		      break;
-		  if (j < 0)
-		    error ("no member function matches that type instantiation");
-		}
-	      else
-		j = 0;
-
-	      if (TYPE_FN_FIELD_VIRTUAL_P (f, j))
-		{
-		  v = value_from_long (builtin_type_long,
-				       (LONGEST) TYPE_FN_FIELD_VOFFSET (f, j));
-		}
-	      else
-		{
-		  struct symbol *s = lookup_symbol (TYPE_FN_FIELD_PHYSNAME (f, j),
-						    0, VAR_NAMESPACE, 0);
-		  v = locate_var_value (s, 0);
-		}
-	      VALUE_TYPE (v) = lookup_pointer_type (lookup_member_type (TYPE_FN_FIELD_TYPE (f, j), baseclass));
-	      return v;
-	    }
-	}
-
-      if (TYPE_N_BASECLASSES (t) == 0)
-	break;
-
-      t = TYPE_BASECLASS (t, 1);
-    }
-  return 0;
-}
-
-/* Compare two argument lists and return the position in which they differ,
-   or zero if equal.
-
-   STATICP is nonzero if the T1 argument list came from a
-   static member function.
-
-   For non-static member functions, we ignore the first argument,
-   which is the type of the instance variable.  This is because we want
-   to handle calls with objects from derived classes.  This is not
-   entirely correct: we should actually check to make sure that a
-   requested operation is type secure, shouldn't we?  */
-
-int
-typecmp (staticp, t1, t2)
-     int staticp;
-     struct type *t1[];
-     value t2[];
-{
-  int i;
-
-  if (staticp && t1 == 0)
-    return t2[1] != 0;
-  if (t1 == 0)
-    return 1;
-  if (t1[0]->code == TYPE_CODE_VOID) return 0;
-  if (t1[!staticp] == 0) return 0;
-  for (i = !staticp; t1[i] && t1[i]->code != TYPE_CODE_VOID; i++)
-    {
-      if (! t2[i]
-	  || t1[i]->code != t2[i]->type->code
-	  || t1[i]->target_type != t2[i]->type->target_type)
-	return i+1;
-    }
-  if (!t1[i]) return 0;
-  return t2[i] ? i+1 : 0;
-}
-
-/* C++: return the value of the class instance variable, if one exists.
-   Flag COMPLAIN signals an error if the request is made in an
-   inappropriate context.  */
-value
-value_of_this (complain)
-     int complain;
-{
-  extern FRAME selected_frame;
-  struct symbol *func, *sym;
-  char *funname = 0;
-  struct block *b;
-  int i;
-
-  if (selected_frame == 0)
-    if (complain)
-      error ("no frame selected");
-    else return 0;
-
-  func = get_frame_function (selected_frame);
-  if (func)
-    funname = SYMBOL_NAME (func);
-  else
-    if (complain)
-      error ("no `this' in nameless context");
-    else return 0;
-
-  b = SYMBOL_BLOCK_VALUE (func);
-  i = BLOCK_NSYMS (b);
-  if (i <= 0)
-    if (complain)
-      error ("no args, no `this'");
-    else return 0;
-
-  sym = BLOCK_SYM (b, 0);
-  if (strncmp ("$this", SYMBOL_NAME (sym), 5))
-    if (complain)
-      error ("current stack frame not in method");
-    else return 0;
-
-  return read_var_value (sym, selected_frame);
-}