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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [gdb/] [stack.c] - Diff between revs 227 and 816

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/* Print and select stack frames for GDB, the GNU debugger.
/* Print and select stack frames for GDB, the GNU debugger.
 
 
   Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
   Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
   1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008,
   1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008,
   2009, 2010 Free Software Foundation, Inc.
   2009, 2010 Free Software Foundation, Inc.
 
 
   This file is part of GDB.
   This file is part of GDB.
 
 
   This program is free software; you can redistribute it and/or modify
   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
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
   (at your option) any later version.
 
 
   This program is distributed in the hope that it will be useful,
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   GNU General Public License for more details.
 
 
   You should have received a copy of the GNU General Public License
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 
#include "defs.h"
#include "defs.h"
#include "value.h"
#include "value.h"
#include "symtab.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "gdbtypes.h"
#include "expression.h"
#include "expression.h"
#include "language.h"
#include "language.h"
#include "frame.h"
#include "frame.h"
#include "gdbcmd.h"
#include "gdbcmd.h"
#include "gdbcore.h"
#include "gdbcore.h"
#include "target.h"
#include "target.h"
#include "source.h"
#include "source.h"
#include "breakpoint.h"
#include "breakpoint.h"
#include "demangle.h"
#include "demangle.h"
#include "inferior.h"
#include "inferior.h"
#include "annotate.h"
#include "annotate.h"
#include "ui-out.h"
#include "ui-out.h"
#include "block.h"
#include "block.h"
#include "stack.h"
#include "stack.h"
#include "dictionary.h"
#include "dictionary.h"
#include "exceptions.h"
#include "exceptions.h"
#include "reggroups.h"
#include "reggroups.h"
#include "regcache.h"
#include "regcache.h"
#include "solib.h"
#include "solib.h"
#include "valprint.h"
#include "valprint.h"
#include "gdbthread.h"
#include "gdbthread.h"
#include "cp-support.h"
#include "cp-support.h"
#include "disasm.h"
#include "disasm.h"
#include "inline-frame.h"
#include "inline-frame.h"
 
 
#include "gdb_assert.h"
#include "gdb_assert.h"
#include <ctype.h>
#include <ctype.h>
#include "gdb_string.h"
#include "gdb_string.h"
 
 
void (*deprecated_selected_frame_level_changed_hook) (int);
void (*deprecated_selected_frame_level_changed_hook) (int);
 
 
/* The possible choices of "set print frame-arguments, and the value
/* The possible choices of "set print frame-arguments, and the value
   of this setting.  */
   of this setting.  */
 
 
static const char *print_frame_arguments_choices[] =
static const char *print_frame_arguments_choices[] =
  {"all", "scalars", "none", NULL};
  {"all", "scalars", "none", NULL};
static const char *print_frame_arguments = "scalars";
static const char *print_frame_arguments = "scalars";
 
 
/* Prototypes for local functions. */
/* Prototypes for local functions. */
 
 
static void print_frame_local_vars (struct frame_info *, int,
static void print_frame_local_vars (struct frame_info *, int,
                                    struct ui_file *);
                                    struct ui_file *);
 
 
static void print_frame (struct frame_info *frame, int print_level,
static void print_frame (struct frame_info *frame, int print_level,
                         enum print_what print_what,  int print_args,
                         enum print_what print_what,  int print_args,
                         struct symtab_and_line sal);
                         struct symtab_and_line sal);
 
 
/* Zero means do things normally; we are interacting directly with the
/* Zero means do things normally; we are interacting directly with the
   user.  One means print the full filename and linenumber when a
   user.  One means print the full filename and linenumber when a
   frame is printed, and do so in a format emacs18/emacs19.22 can
   frame is printed, and do so in a format emacs18/emacs19.22 can
   parse.  Two means print similar annotations, but in many more
   parse.  Two means print similar annotations, but in many more
   cases and in a slightly different syntax.  */
   cases and in a slightly different syntax.  */
 
 
int annotation_level = 0;
int annotation_level = 0;


 
 
struct print_stack_frame_args
struct print_stack_frame_args
{
{
  struct frame_info *frame;
  struct frame_info *frame;
  int print_level;
  int print_level;
  enum print_what print_what;
  enum print_what print_what;
  int print_args;
  int print_args;
};
};
 
 
/* Show or print the frame arguments; stub for catch_errors.  */
/* Show or print the frame arguments; stub for catch_errors.  */
 
 
static int
static int
print_stack_frame_stub (void *args)
print_stack_frame_stub (void *args)
{
{
  struct print_stack_frame_args *p = args;
  struct print_stack_frame_args *p = args;
  int center = (p->print_what == SRC_LINE || p->print_what == SRC_AND_LOC);
  int center = (p->print_what == SRC_LINE || p->print_what == SRC_AND_LOC);
 
 
  print_frame_info (p->frame, p->print_level, p->print_what, p->print_args);
  print_frame_info (p->frame, p->print_level, p->print_what, p->print_args);
  set_current_sal_from_frame (p->frame, center);
  set_current_sal_from_frame (p->frame, center);
  return 0;
  return 0;
}
}
 
 
/* Return 1 if we should display the address in addition to the location,
/* Return 1 if we should display the address in addition to the location,
   because we are in the middle of a statement.  */
   because we are in the middle of a statement.  */
 
 
static int
static int
frame_show_address (struct frame_info *frame,
frame_show_address (struct frame_info *frame,
                    struct symtab_and_line sal)
                    struct symtab_and_line sal)
{
{
  /* If there is a line number, but no PC, then there is no location
  /* If there is a line number, but no PC, then there is no location
     information associated with this sal.  The only way that should
     information associated with this sal.  The only way that should
     happen is for the call sites of inlined functions (SAL comes from
     happen is for the call sites of inlined functions (SAL comes from
     find_frame_sal).  Otherwise, we would have some PC range if the
     find_frame_sal).  Otherwise, we would have some PC range if the
     SAL came from a line table.  */
     SAL came from a line table.  */
  if (sal.line != 0 && sal.pc == 0 && sal.end == 0)
  if (sal.line != 0 && sal.pc == 0 && sal.end == 0)
    {
    {
      if (get_next_frame (frame) == NULL)
      if (get_next_frame (frame) == NULL)
        gdb_assert (inline_skipped_frames (inferior_ptid) > 0);
        gdb_assert (inline_skipped_frames (inferior_ptid) > 0);
      else
      else
        gdb_assert (get_frame_type (get_next_frame (frame)) == INLINE_FRAME);
        gdb_assert (get_frame_type (get_next_frame (frame)) == INLINE_FRAME);
      return 0;
      return 0;
    }
    }
 
 
  return get_frame_pc (frame) != sal.pc;
  return get_frame_pc (frame) != sal.pc;
}
}
 
 
/* Show or print a stack frame FRAME briefly.  The output is format
/* Show or print a stack frame FRAME briefly.  The output is format
   according to PRINT_LEVEL and PRINT_WHAT printing the frame's
   according to PRINT_LEVEL and PRINT_WHAT printing the frame's
   relative level, function name, argument list, and file name and
   relative level, function name, argument list, and file name and
   line number.  If the frame's PC is not at the beginning of the
   line number.  If the frame's PC is not at the beginning of the
   source line, the actual PC is printed at the beginning.  */
   source line, the actual PC is printed at the beginning.  */
 
 
void
void
print_stack_frame (struct frame_info *frame, int print_level,
print_stack_frame (struct frame_info *frame, int print_level,
                   enum print_what print_what)
                   enum print_what print_what)
{
{
  struct print_stack_frame_args args;
  struct print_stack_frame_args args;
 
 
  args.frame = frame;
  args.frame = frame;
  args.print_level = print_level;
  args.print_level = print_level;
  args.print_what = print_what;
  args.print_what = print_what;
  /* For mi, alway print location and address.  */
  /* For mi, alway print location and address.  */
  args.print_what = ui_out_is_mi_like_p (uiout) ? LOC_AND_ADDRESS : print_what;
  args.print_what = ui_out_is_mi_like_p (uiout) ? LOC_AND_ADDRESS : print_what;
  args.print_args = 1;
  args.print_args = 1;
 
 
  catch_errors (print_stack_frame_stub, &args, "", RETURN_MASK_ERROR);
  catch_errors (print_stack_frame_stub, &args, "", RETURN_MASK_ERROR);
}
}
 
 
struct print_args_args
struct print_args_args
{
{
  struct symbol *func;
  struct symbol *func;
  struct frame_info *frame;
  struct frame_info *frame;
  struct ui_file *stream;
  struct ui_file *stream;
};
};
 
 
static int print_args_stub (void *args);
static int print_args_stub (void *args);
 
 
/* Print nameless arguments of frame FRAME on STREAM, where START is
/* Print nameless arguments of frame FRAME on STREAM, where START is
   the offset of the first nameless argument, and NUM is the number of
   the offset of the first nameless argument, and NUM is the number of
   nameless arguments to print.  FIRST is nonzero if this is the first
   nameless arguments to print.  FIRST is nonzero if this is the first
   argument (not just the first nameless argument).  */
   argument (not just the first nameless argument).  */
 
 
static void
static void
print_frame_nameless_args (struct frame_info *frame, long start, int num,
print_frame_nameless_args (struct frame_info *frame, long start, int num,
                           int first, struct ui_file *stream)
                           int first, struct ui_file *stream)
{
{
  struct gdbarch *gdbarch = get_frame_arch (frame);
  struct gdbarch *gdbarch = get_frame_arch (frame);
  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
  int i;
  int i;
  CORE_ADDR argsaddr;
  CORE_ADDR argsaddr;
  long arg_value;
  long arg_value;
 
 
  for (i = 0; i < num; i++)
  for (i = 0; i < num; i++)
    {
    {
      QUIT;
      QUIT;
      argsaddr = get_frame_args_address (frame);
      argsaddr = get_frame_args_address (frame);
      if (!argsaddr)
      if (!argsaddr)
        return;
        return;
      arg_value = read_memory_integer (argsaddr + start,
      arg_value = read_memory_integer (argsaddr + start,
                                       sizeof (int), byte_order);
                                       sizeof (int), byte_order);
      if (!first)
      if (!first)
        fprintf_filtered (stream, ", ");
        fprintf_filtered (stream, ", ");
      fprintf_filtered (stream, "%ld", arg_value);
      fprintf_filtered (stream, "%ld", arg_value);
      first = 0;
      first = 0;
      start += sizeof (int);
      start += sizeof (int);
    }
    }
}
}
 
 
/* Print the arguments of frame FRAME on STREAM, given the function
/* Print the arguments of frame FRAME on STREAM, given the function
   FUNC running in that frame (as a symbol), where NUM is the number
   FUNC running in that frame (as a symbol), where NUM is the number
   of arguments according to the stack frame (or -1 if the number of
   of arguments according to the stack frame (or -1 if the number of
   arguments is unknown).  */
   arguments is unknown).  */
 
 
/* Note that currently the "number of arguments according to the
/* Note that currently the "number of arguments according to the
   stack frame" is only known on VAX where i refers to the "number of
   stack frame" is only known on VAX where i refers to the "number of
   ints of arguments according to the stack frame".  */
   ints of arguments according to the stack frame".  */
 
 
static void
static void
print_frame_args (struct symbol *func, struct frame_info *frame,
print_frame_args (struct symbol *func, struct frame_info *frame,
                  int num, struct ui_file *stream)
                  int num, struct ui_file *stream)
{
{
  int first = 1;
  int first = 1;
  /* Offset of next stack argument beyond the one we have seen that is
  /* Offset of next stack argument beyond the one we have seen that is
     at the highest offset, or -1 if we haven't come to a stack
     at the highest offset, or -1 if we haven't come to a stack
     argument yet.  */
     argument yet.  */
  long highest_offset = -1;
  long highest_offset = -1;
  /* Number of ints of arguments that we have printed so far.  */
  /* Number of ints of arguments that we have printed so far.  */
  int args_printed = 0;
  int args_printed = 0;
  struct cleanup *old_chain, *list_chain;
  struct cleanup *old_chain, *list_chain;
  struct ui_stream *stb;
  struct ui_stream *stb;
  /* True if we should print arguments, false otherwise.  */
  /* True if we should print arguments, false otherwise.  */
  int print_args = strcmp (print_frame_arguments, "none");
  int print_args = strcmp (print_frame_arguments, "none");
  /* True in "summary" mode, false otherwise.  */
  /* True in "summary" mode, false otherwise.  */
  int summary = !strcmp (print_frame_arguments, "scalars");
  int summary = !strcmp (print_frame_arguments, "scalars");
 
 
  stb = ui_out_stream_new (uiout);
  stb = ui_out_stream_new (uiout);
  old_chain = make_cleanup_ui_out_stream_delete (stb);
  old_chain = make_cleanup_ui_out_stream_delete (stb);
 
 
  if (func)
  if (func)
    {
    {
      struct block *b = SYMBOL_BLOCK_VALUE (func);
      struct block *b = SYMBOL_BLOCK_VALUE (func);
      struct dict_iterator iter;
      struct dict_iterator iter;
      struct symbol *sym;
      struct symbol *sym;
      struct value *val;
      struct value *val;
 
 
      ALL_BLOCK_SYMBOLS (b, iter, sym)
      ALL_BLOCK_SYMBOLS (b, iter, sym)
        {
        {
          QUIT;
          QUIT;
 
 
          /* Keep track of the highest stack argument offset seen, and
          /* Keep track of the highest stack argument offset seen, and
             skip over any kinds of symbols we don't care about.  */
             skip over any kinds of symbols we don't care about.  */
 
 
          if (!SYMBOL_IS_ARGUMENT (sym))
          if (!SYMBOL_IS_ARGUMENT (sym))
            continue;
            continue;
 
 
          switch (SYMBOL_CLASS (sym))
          switch (SYMBOL_CLASS (sym))
            {
            {
            case LOC_ARG:
            case LOC_ARG:
            case LOC_REF_ARG:
            case LOC_REF_ARG:
              {
              {
                long current_offset = SYMBOL_VALUE (sym);
                long current_offset = SYMBOL_VALUE (sym);
                int arg_size = TYPE_LENGTH (SYMBOL_TYPE (sym));
                int arg_size = TYPE_LENGTH (SYMBOL_TYPE (sym));
 
 
                /* Compute address of next argument by adding the size of
                /* Compute address of next argument by adding the size of
                   this argument and rounding to an int boundary.  */
                   this argument and rounding to an int boundary.  */
                current_offset =
                current_offset =
                  ((current_offset + arg_size + sizeof (int) - 1)
                  ((current_offset + arg_size + sizeof (int) - 1)
                   & ~(sizeof (int) - 1));
                   & ~(sizeof (int) - 1));
 
 
                /* If this is the highest offset seen yet, set
                /* If this is the highest offset seen yet, set
                   highest_offset.  */
                   highest_offset.  */
                if (highest_offset == -1
                if (highest_offset == -1
                    || (current_offset > highest_offset))
                    || (current_offset > highest_offset))
                  highest_offset = current_offset;
                  highest_offset = current_offset;
 
 
                /* Add the number of ints we're about to print to
                /* Add the number of ints we're about to print to
                   args_printed.  */
                   args_printed.  */
                args_printed += (arg_size + sizeof (int) - 1) / sizeof (int);
                args_printed += (arg_size + sizeof (int) - 1) / sizeof (int);
              }
              }
 
 
              /* We care about types of symbols, but don't need to
              /* We care about types of symbols, but don't need to
                 keep track of stack offsets in them.  */
                 keep track of stack offsets in them.  */
            case LOC_REGISTER:
            case LOC_REGISTER:
            case LOC_REGPARM_ADDR:
            case LOC_REGPARM_ADDR:
            case LOC_COMPUTED:
            case LOC_COMPUTED:
            case LOC_OPTIMIZED_OUT:
            case LOC_OPTIMIZED_OUT:
            default:
            default:
              break;
              break;
            }
            }
 
 
          /* We have to look up the symbol because arguments can have
          /* We have to look up the symbol because arguments can have
             two entries (one a parameter, one a local) and the one we
             two entries (one a parameter, one a local) and the one we
             want is the local, which lookup_symbol will find for us.
             want is the local, which lookup_symbol will find for us.
             This includes gcc1 (not gcc2) on SPARC when passing a
             This includes gcc1 (not gcc2) on SPARC when passing a
             small structure and gcc2 when the argument type is float
             small structure and gcc2 when the argument type is float
             and it is passed as a double and converted to float by
             and it is passed as a double and converted to float by
             the prologue (in the latter case the type of the LOC_ARG
             the prologue (in the latter case the type of the LOC_ARG
             symbol is double and the type of the LOC_LOCAL symbol is
             symbol is double and the type of the LOC_LOCAL symbol is
             float).  */
             float).  */
          /* But if the parameter name is null, don't try it.  Null
          /* But if the parameter name is null, don't try it.  Null
             parameter names occur on the RS/6000, for traceback
             parameter names occur on the RS/6000, for traceback
             tables.  FIXME, should we even print them?  */
             tables.  FIXME, should we even print them?  */
 
 
          if (*SYMBOL_LINKAGE_NAME (sym))
          if (*SYMBOL_LINKAGE_NAME (sym))
            {
            {
              struct symbol *nsym;
              struct symbol *nsym;
              nsym = lookup_symbol (SYMBOL_LINKAGE_NAME (sym),
              nsym = lookup_symbol (SYMBOL_LINKAGE_NAME (sym),
                                    b, VAR_DOMAIN, NULL);
                                    b, VAR_DOMAIN, NULL);
              gdb_assert (nsym != NULL);
              gdb_assert (nsym != NULL);
              if (SYMBOL_CLASS (nsym) == LOC_REGISTER
              if (SYMBOL_CLASS (nsym) == LOC_REGISTER
                  && !SYMBOL_IS_ARGUMENT (nsym))
                  && !SYMBOL_IS_ARGUMENT (nsym))
                {
                {
                  /* There is a LOC_ARG/LOC_REGISTER pair.  This means
                  /* There is a LOC_ARG/LOC_REGISTER pair.  This means
                     that it was passed on the stack and loaded into a
                     that it was passed on the stack and loaded into a
                     register, or passed in a register and stored in a
                     register, or passed in a register and stored in a
                     stack slot.  GDB 3.x used the LOC_ARG; GDB
                     stack slot.  GDB 3.x used the LOC_ARG; GDB
                     4.0-4.11 used the LOC_REGISTER.
                     4.0-4.11 used the LOC_REGISTER.
 
 
                     Reasons for using the LOC_ARG:
                     Reasons for using the LOC_ARG:
 
 
                     (1) Because find_saved_registers may be slow for
                     (1) Because find_saved_registers may be slow for
                         remote debugging.
                         remote debugging.
 
 
                     (2) Because registers are often re-used and stack
                     (2) Because registers are often re-used and stack
                         slots rarely (never?) are.  Therefore using
                         slots rarely (never?) are.  Therefore using
                         the stack slot is much less likely to print
                         the stack slot is much less likely to print
                         garbage.
                         garbage.
 
 
                     Reasons why we might want to use the LOC_REGISTER:
                     Reasons why we might want to use the LOC_REGISTER:
 
 
                     (1) So that the backtrace prints the same value
                     (1) So that the backtrace prints the same value
                         as "print foo".  I see no compelling reason
                         as "print foo".  I see no compelling reason
                         why this needs to be the case; having the
                         why this needs to be the case; having the
                         backtrace print the value which was passed
                         backtrace print the value which was passed
                         in, and "print foo" print the value as
                         in, and "print foo" print the value as
                         modified within the called function, makes
                         modified within the called function, makes
                         perfect sense to me.
                         perfect sense to me.
 
 
                     Additional note: It might be nice if "info args"
                     Additional note: It might be nice if "info args"
                     displayed both values.
                     displayed both values.
 
 
                     One more note: There is a case with SPARC
                     One more note: There is a case with SPARC
                     structure passing where we need to use the
                     structure passing where we need to use the
                     LOC_REGISTER, but this is dealt with by creating
                     LOC_REGISTER, but this is dealt with by creating
                     a single LOC_REGPARM in symbol reading.  */
                     a single LOC_REGPARM in symbol reading.  */
 
 
                  /* Leave sym (the LOC_ARG) alone.  */
                  /* Leave sym (the LOC_ARG) alone.  */
                  ;
                  ;
                }
                }
              else
              else
                sym = nsym;
                sym = nsym;
            }
            }
 
 
          /* Print the current arg.  */
          /* Print the current arg.  */
          if (!first)
          if (!first)
            ui_out_text (uiout, ", ");
            ui_out_text (uiout, ", ");
          ui_out_wrap_hint (uiout, "    ");
          ui_out_wrap_hint (uiout, "    ");
 
 
          annotate_arg_begin ();
          annotate_arg_begin ();
 
 
          list_chain = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
          list_chain = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
          fprintf_symbol_filtered (stb->stream, SYMBOL_PRINT_NAME (sym),
          fprintf_symbol_filtered (stb->stream, SYMBOL_PRINT_NAME (sym),
                                   SYMBOL_LANGUAGE (sym),
                                   SYMBOL_LANGUAGE (sym),
                                   DMGL_PARAMS | DMGL_ANSI);
                                   DMGL_PARAMS | DMGL_ANSI);
          ui_out_field_stream (uiout, "name", stb);
          ui_out_field_stream (uiout, "name", stb);
          annotate_arg_name_end ();
          annotate_arg_name_end ();
          ui_out_text (uiout, "=");
          ui_out_text (uiout, "=");
 
 
          if (print_args)
          if (print_args)
            {
            {
              /* Avoid value_print because it will deref ref parameters.
              /* Avoid value_print because it will deref ref parameters.
                 We just want to print their addresses.  Print ??? for
                 We just want to print their addresses.  Print ??? for
                 args whose address we do not know.  We pass 2 as
                 args whose address we do not know.  We pass 2 as
                 "recurse" to val_print because our standard indentation
                 "recurse" to val_print because our standard indentation
                 here is 4 spaces, and val_print indents 2 for each
                 here is 4 spaces, and val_print indents 2 for each
                 recurse.  */
                 recurse.  */
              val = read_var_value (sym, frame);
              val = read_var_value (sym, frame);
 
 
              annotate_arg_value (val == NULL ? NULL : value_type (val));
              annotate_arg_value (val == NULL ? NULL : value_type (val));
 
 
              if (val)
              if (val)
                {
                {
                  const struct language_defn *language;
                  const struct language_defn *language;
                  struct value_print_options opts;
                  struct value_print_options opts;
 
 
                  /* Use the appropriate language to display our symbol,
                  /* Use the appropriate language to display our symbol,
                     unless the user forced the language to a specific
                     unless the user forced the language to a specific
                     language.  */
                     language.  */
                  if (language_mode == language_mode_auto)
                  if (language_mode == language_mode_auto)
                    language = language_def (SYMBOL_LANGUAGE (sym));
                    language = language_def (SYMBOL_LANGUAGE (sym));
                  else
                  else
                    language = current_language;
                    language = current_language;
 
 
                  get_raw_print_options (&opts);
                  get_raw_print_options (&opts);
                  opts.deref_ref = 0;
                  opts.deref_ref = 0;
                  opts.summary = summary;
                  opts.summary = summary;
                  common_val_print (val, stb->stream, 2, &opts, language);
                  common_val_print (val, stb->stream, 2, &opts, language);
                  ui_out_field_stream (uiout, "value", stb);
                  ui_out_field_stream (uiout, "value", stb);
                }
                }
              else
              else
                ui_out_text (uiout, "???");
                ui_out_text (uiout, "???");
            }
            }
          else
          else
            ui_out_text (uiout, "...");
            ui_out_text (uiout, "...");
 
 
 
 
          /* Invoke ui_out_tuple_end.  */
          /* Invoke ui_out_tuple_end.  */
          do_cleanups (list_chain);
          do_cleanups (list_chain);
 
 
          annotate_arg_end ();
          annotate_arg_end ();
 
 
          first = 0;
          first = 0;
        }
        }
    }
    }
 
 
  /* Don't print nameless args in situations where we don't know
  /* Don't print nameless args in situations where we don't know
     enough about the stack to find them.  */
     enough about the stack to find them.  */
  if (num != -1)
  if (num != -1)
    {
    {
      long start;
      long start;
 
 
      if (highest_offset == -1)
      if (highest_offset == -1)
        start = gdbarch_frame_args_skip (get_frame_arch (frame));
        start = gdbarch_frame_args_skip (get_frame_arch (frame));
      else
      else
        start = highest_offset;
        start = highest_offset;
 
 
      print_frame_nameless_args (frame, start, num - args_printed,
      print_frame_nameless_args (frame, start, num - args_printed,
                                 first, stream);
                                 first, stream);
    }
    }
 
 
  do_cleanups (old_chain);
  do_cleanups (old_chain);
}
}
 
 
/* Stub for catch_errors.  */
/* Stub for catch_errors.  */
 
 
static int
static int
print_args_stub (void *args)
print_args_stub (void *args)
{
{
  struct print_args_args *p = args;
  struct print_args_args *p = args;
  struct gdbarch *gdbarch = get_frame_arch (p->frame);
  struct gdbarch *gdbarch = get_frame_arch (p->frame);
  int numargs;
  int numargs;
 
 
  if (gdbarch_frame_num_args_p (gdbarch))
  if (gdbarch_frame_num_args_p (gdbarch))
    {
    {
      numargs = gdbarch_frame_num_args (gdbarch, p->frame);
      numargs = gdbarch_frame_num_args (gdbarch, p->frame);
      gdb_assert (numargs >= 0);
      gdb_assert (numargs >= 0);
    }
    }
  else
  else
    numargs = -1;
    numargs = -1;
  print_frame_args (p->func, p->frame, numargs, p->stream);
  print_frame_args (p->func, p->frame, numargs, p->stream);
  return 0;
  return 0;
}
}
 
 
/* Set the current source and line to the location given by frame
/* Set the current source and line to the location given by frame
   FRAME, if possible.  When CENTER is true, adjust so the relevant
   FRAME, if possible.  When CENTER is true, adjust so the relevant
   line is in the center of the next 'list'.  */
   line is in the center of the next 'list'.  */
 
 
void
void
set_current_sal_from_frame (struct frame_info *frame, int center)
set_current_sal_from_frame (struct frame_info *frame, int center)
{
{
  struct symtab_and_line sal;
  struct symtab_and_line sal;
 
 
  find_frame_sal (frame, &sal);
  find_frame_sal (frame, &sal);
  if (sal.symtab)
  if (sal.symtab)
    {
    {
      if (center)
      if (center)
        sal.line = max (sal.line - get_lines_to_list () / 2, 1);
        sal.line = max (sal.line - get_lines_to_list () / 2, 1);
      set_current_source_symtab_and_line (&sal);
      set_current_source_symtab_and_line (&sal);
    }
    }
}
}
 
 
/* If ON, GDB will display disassembly of the next source line when
/* If ON, GDB will display disassembly of the next source line when
   execution of the program being debugged stops.
   execution of the program being debugged stops.
   If AUTO (which is the default), or there's no line info to determine
   If AUTO (which is the default), or there's no line info to determine
   the source line of the next instruction, display disassembly of next
   the source line of the next instruction, display disassembly of next
   instruction instead.  */
   instruction instead.  */
 
 
static enum auto_boolean disassemble_next_line;
static enum auto_boolean disassemble_next_line;
 
 
static void
static void
show_disassemble_next_line (struct ui_file *file, int from_tty,
show_disassemble_next_line (struct ui_file *file, int from_tty,
                                 struct cmd_list_element *c,
                                 struct cmd_list_element *c,
                                 const char *value)
                                 const char *value)
{
{
  fprintf_filtered (file, _("\
  fprintf_filtered (file, _("\
Debugger's willingness to use disassemble-next-line is %s.\n"),
Debugger's willingness to use disassemble-next-line is %s.\n"),
                    value);
                    value);
}
}
 
 
/* Show assembly codes; stub for catch_errors.  */
/* Show assembly codes; stub for catch_errors.  */
 
 
struct gdb_disassembly_stub_args
struct gdb_disassembly_stub_args
{
{
  struct gdbarch *gdbarch;
  struct gdbarch *gdbarch;
  int how_many;
  int how_many;
  CORE_ADDR low;
  CORE_ADDR low;
  CORE_ADDR high;
  CORE_ADDR high;
};
};
 
 
static void
static void
gdb_disassembly_stub (void *args)
gdb_disassembly_stub (void *args)
{
{
  struct gdb_disassembly_stub_args *p = args;
  struct gdb_disassembly_stub_args *p = args;
  gdb_disassembly (p->gdbarch, uiout, 0,
  gdb_disassembly (p->gdbarch, uiout, 0,
                   DISASSEMBLY_RAW_INSN, p->how_many,
                   DISASSEMBLY_RAW_INSN, p->how_many,
                   p->low, p->high);
                   p->low, p->high);
}
}
 
 
/* Use TRY_CATCH to catch the exception from the gdb_disassembly
/* Use TRY_CATCH to catch the exception from the gdb_disassembly
   because it will be broken by filter sometime.  */
   because it will be broken by filter sometime.  */
 
 
static void
static void
do_gdb_disassembly (struct gdbarch *gdbarch,
do_gdb_disassembly (struct gdbarch *gdbarch,
                    int how_many, CORE_ADDR low, CORE_ADDR high)
                    int how_many, CORE_ADDR low, CORE_ADDR high)
{
{
  volatile struct gdb_exception exception;
  volatile struct gdb_exception exception;
  struct gdb_disassembly_stub_args args;
  struct gdb_disassembly_stub_args args;
 
 
  args.gdbarch = gdbarch;
  args.gdbarch = gdbarch;
  args.how_many = how_many;
  args.how_many = how_many;
  args.low = low;
  args.low = low;
  args.high = high;
  args.high = high;
  TRY_CATCH (exception, RETURN_MASK_ALL)
  TRY_CATCH (exception, RETURN_MASK_ALL)
    {
    {
      gdb_disassembly_stub (&args);
      gdb_disassembly_stub (&args);
    }
    }
  /* If an exception was thrown while doing the disassembly, print
  /* If an exception was thrown while doing the disassembly, print
     the error message, to give the user a clue of what happened.  */
     the error message, to give the user a clue of what happened.  */
  if (exception.reason == RETURN_ERROR)
  if (exception.reason == RETURN_ERROR)
    exception_print (gdb_stderr, exception);
    exception_print (gdb_stderr, exception);
}
}
 
 
/* Print information about frame FRAME.  The output is format according
/* Print information about frame FRAME.  The output is format according
   to PRINT_LEVEL and PRINT_WHAT and PRINT ARGS.  The meaning of
   to PRINT_LEVEL and PRINT_WHAT and PRINT ARGS.  The meaning of
   PRINT_WHAT is:
   PRINT_WHAT is:
 
 
   SRC_LINE: Print only source line.
   SRC_LINE: Print only source line.
   LOCATION: Print only location.
   LOCATION: Print only location.
   LOC_AND_SRC: Print location and source line.
   LOC_AND_SRC: Print location and source line.
 
 
   Used in "where" output, and to emit breakpoint or step
   Used in "where" output, and to emit breakpoint or step
   messages.  */
   messages.  */
 
 
void
void
print_frame_info (struct frame_info *frame, int print_level,
print_frame_info (struct frame_info *frame, int print_level,
                  enum print_what print_what, int print_args)
                  enum print_what print_what, int print_args)
{
{
  struct gdbarch *gdbarch = get_frame_arch (frame);
  struct gdbarch *gdbarch = get_frame_arch (frame);
  struct symtab_and_line sal;
  struct symtab_and_line sal;
  int source_print;
  int source_print;
  int location_print;
  int location_print;
 
 
  if (get_frame_type (frame) == DUMMY_FRAME
  if (get_frame_type (frame) == DUMMY_FRAME
      || get_frame_type (frame) == SIGTRAMP_FRAME
      || get_frame_type (frame) == SIGTRAMP_FRAME
      || get_frame_type (frame) == ARCH_FRAME)
      || get_frame_type (frame) == ARCH_FRAME)
    {
    {
      struct cleanup *uiout_cleanup
      struct cleanup *uiout_cleanup
        = make_cleanup_ui_out_tuple_begin_end (uiout, "frame");
        = make_cleanup_ui_out_tuple_begin_end (uiout, "frame");
 
 
      annotate_frame_begin (print_level ? frame_relative_level (frame) : 0,
      annotate_frame_begin (print_level ? frame_relative_level (frame) : 0,
                            gdbarch, get_frame_pc (frame));
                            gdbarch, get_frame_pc (frame));
 
 
      /* Do this regardless of SOURCE because we don't have any source
      /* Do this regardless of SOURCE because we don't have any source
         to list for this frame.  */
         to list for this frame.  */
      if (print_level)
      if (print_level)
        {
        {
          ui_out_text (uiout, "#");
          ui_out_text (uiout, "#");
          ui_out_field_fmt_int (uiout, 2, ui_left, "level",
          ui_out_field_fmt_int (uiout, 2, ui_left, "level",
                                frame_relative_level (frame));
                                frame_relative_level (frame));
        }
        }
      if (ui_out_is_mi_like_p (uiout))
      if (ui_out_is_mi_like_p (uiout))
        {
        {
          annotate_frame_address ();
          annotate_frame_address ();
          ui_out_field_core_addr (uiout, "addr",
          ui_out_field_core_addr (uiout, "addr",
                                  gdbarch, get_frame_pc (frame));
                                  gdbarch, get_frame_pc (frame));
          annotate_frame_address_end ();
          annotate_frame_address_end ();
        }
        }
 
 
      if (get_frame_type (frame) == DUMMY_FRAME)
      if (get_frame_type (frame) == DUMMY_FRAME)
        {
        {
          annotate_function_call ();
          annotate_function_call ();
          ui_out_field_string (uiout, "func", "<function called from gdb>");
          ui_out_field_string (uiout, "func", "<function called from gdb>");
        }
        }
      else if (get_frame_type (frame) == SIGTRAMP_FRAME)
      else if (get_frame_type (frame) == SIGTRAMP_FRAME)
        {
        {
          annotate_signal_handler_caller ();
          annotate_signal_handler_caller ();
          ui_out_field_string (uiout, "func", "<signal handler called>");
          ui_out_field_string (uiout, "func", "<signal handler called>");
        }
        }
      else if (get_frame_type (frame) == ARCH_FRAME)
      else if (get_frame_type (frame) == ARCH_FRAME)
        {
        {
          ui_out_field_string (uiout, "func", "<cross-architecture call>");
          ui_out_field_string (uiout, "func", "<cross-architecture call>");
        }
        }
      ui_out_text (uiout, "\n");
      ui_out_text (uiout, "\n");
      annotate_frame_end ();
      annotate_frame_end ();
 
 
      do_cleanups (uiout_cleanup);
      do_cleanups (uiout_cleanup);
      return;
      return;
    }
    }
 
 
  /* If FRAME is not the innermost frame, that normally means that
  /* If FRAME is not the innermost frame, that normally means that
     FRAME->pc points to *after* the call instruction, and we want to
     FRAME->pc points to *after* the call instruction, and we want to
     get the line containing the call, never the next line.  But if
     get the line containing the call, never the next line.  But if
     the next frame is a SIGTRAMP_FRAME or a DUMMY_FRAME, then the
     the next frame is a SIGTRAMP_FRAME or a DUMMY_FRAME, then the
     next frame was not entered as the result of a call, and we want
     next frame was not entered as the result of a call, and we want
     to get the line containing FRAME->pc.  */
     to get the line containing FRAME->pc.  */
  find_frame_sal (frame, &sal);
  find_frame_sal (frame, &sal);
 
 
  location_print = (print_what == LOCATION
  location_print = (print_what == LOCATION
                    || print_what == LOC_AND_ADDRESS
                    || print_what == LOC_AND_ADDRESS
                    || print_what == SRC_AND_LOC);
                    || print_what == SRC_AND_LOC);
 
 
  if (location_print || !sal.symtab)
  if (location_print || !sal.symtab)
    print_frame (frame, print_level, print_what, print_args, sal);
    print_frame (frame, print_level, print_what, print_args, sal);
 
 
  source_print = (print_what == SRC_LINE || print_what == SRC_AND_LOC);
  source_print = (print_what == SRC_LINE || print_what == SRC_AND_LOC);
 
 
  /* If disassemble-next-line is set to auto or on and doesn't have
  /* If disassemble-next-line is set to auto or on and doesn't have
     the line debug messages for $pc, output the next instruction.  */
     the line debug messages for $pc, output the next instruction.  */
  if ((disassemble_next_line == AUTO_BOOLEAN_AUTO
  if ((disassemble_next_line == AUTO_BOOLEAN_AUTO
       || disassemble_next_line == AUTO_BOOLEAN_TRUE)
       || disassemble_next_line == AUTO_BOOLEAN_TRUE)
      && source_print && !sal.symtab)
      && source_print && !sal.symtab)
    do_gdb_disassembly (get_frame_arch (frame), 1,
    do_gdb_disassembly (get_frame_arch (frame), 1,
                        get_frame_pc (frame), get_frame_pc (frame) + 1);
                        get_frame_pc (frame), get_frame_pc (frame) + 1);
 
 
  if (source_print && sal.symtab)
  if (source_print && sal.symtab)
    {
    {
      int done = 0;
      int done = 0;
      int mid_statement = ((print_what == SRC_LINE)
      int mid_statement = ((print_what == SRC_LINE)
                           && frame_show_address (frame, sal));
                           && frame_show_address (frame, sal));
 
 
      if (annotation_level)
      if (annotation_level)
        done = identify_source_line (sal.symtab, sal.line, mid_statement,
        done = identify_source_line (sal.symtab, sal.line, mid_statement,
                                     get_frame_pc (frame));
                                     get_frame_pc (frame));
      if (!done)
      if (!done)
        {
        {
          if (deprecated_print_frame_info_listing_hook)
          if (deprecated_print_frame_info_listing_hook)
            deprecated_print_frame_info_listing_hook (sal.symtab,
            deprecated_print_frame_info_listing_hook (sal.symtab,
                                                      sal.line,
                                                      sal.line,
                                                      sal.line + 1, 0);
                                                      sal.line + 1, 0);
          else
          else
            {
            {
              struct value_print_options opts;
              struct value_print_options opts;
              get_user_print_options (&opts);
              get_user_print_options (&opts);
              /* We used to do this earlier, but that is clearly
              /* We used to do this earlier, but that is clearly
                 wrong. This function is used by many different
                 wrong. This function is used by many different
                 parts of gdb, including normal_stop in infrun.c,
                 parts of gdb, including normal_stop in infrun.c,
                 which uses this to print out the current PC
                 which uses this to print out the current PC
                 when we stepi/nexti into the middle of a source
                 when we stepi/nexti into the middle of a source
                 line. Only the command line really wants this
                 line. Only the command line really wants this
                 behavior. Other UIs probably would like the
                 behavior. Other UIs probably would like the
                 ability to decide for themselves if it is desired.  */
                 ability to decide for themselves if it is desired.  */
              if (opts.addressprint && mid_statement)
              if (opts.addressprint && mid_statement)
                {
                {
                  ui_out_field_core_addr (uiout, "addr",
                  ui_out_field_core_addr (uiout, "addr",
                                          gdbarch, get_frame_pc (frame));
                                          gdbarch, get_frame_pc (frame));
                  ui_out_text (uiout, "\t");
                  ui_out_text (uiout, "\t");
                }
                }
 
 
              print_source_lines (sal.symtab, sal.line, sal.line + 1, 0);
              print_source_lines (sal.symtab, sal.line, sal.line + 1, 0);
            }
            }
        }
        }
 
 
      /* If disassemble-next-line is set to on and there is line debug
      /* If disassemble-next-line is set to on and there is line debug
         messages, output assembly codes for next line.  */
         messages, output assembly codes for next line.  */
      if (disassemble_next_line == AUTO_BOOLEAN_TRUE)
      if (disassemble_next_line == AUTO_BOOLEAN_TRUE)
        do_gdb_disassembly (get_frame_arch (frame), -1, sal.pc, sal.end);
        do_gdb_disassembly (get_frame_arch (frame), -1, sal.pc, sal.end);
    }
    }
 
 
  if (print_what != LOCATION)
  if (print_what != LOCATION)
    set_default_breakpoint (1, sal.pspace,
    set_default_breakpoint (1, sal.pspace,
                            get_frame_pc (frame), sal.symtab, sal.line);
                            get_frame_pc (frame), sal.symtab, sal.line);
 
 
  annotate_frame_end ();
  annotate_frame_end ();
 
 
  gdb_flush (gdb_stdout);
  gdb_flush (gdb_stdout);
}
}
 
 
/* Attempt to obtain the FUNNAME and FUNLANG of the function corresponding
/* Attempt to obtain the FUNNAME and FUNLANG of the function corresponding
   to FRAME.  */
   to FRAME.  */
void
void
find_frame_funname (struct frame_info *frame, char **funname,
find_frame_funname (struct frame_info *frame, char **funname,
                    enum language *funlang)
                    enum language *funlang)
{
{
  struct symbol *func;
  struct symbol *func;
 
 
  *funname = NULL;
  *funname = NULL;
  *funlang = language_unknown;
  *funlang = language_unknown;
 
 
  func = get_frame_function (frame);
  func = get_frame_function (frame);
  if (func)
  if (func)
    {
    {
      /* In certain pathological cases, the symtabs give the wrong
      /* In certain pathological cases, the symtabs give the wrong
         function (when we are in the first function in a file which
         function (when we are in the first function in a file which
         is compiled without debugging symbols, the previous function
         is compiled without debugging symbols, the previous function
         is compiled with debugging symbols, and the "foo.o" symbol
         is compiled with debugging symbols, and the "foo.o" symbol
         that is supposed to tell us where the file with debugging
         that is supposed to tell us where the file with debugging
         symbols ends has been truncated by ar because it is longer
         symbols ends has been truncated by ar because it is longer
         than 15 characters).  This also occurs if the user uses asm()
         than 15 characters).  This also occurs if the user uses asm()
         to create a function but not stabs for it (in a file compiled
         to create a function but not stabs for it (in a file compiled
         with -g).
         with -g).
 
 
         So look in the minimal symbol tables as well, and if it comes
         So look in the minimal symbol tables as well, and if it comes
         up with a larger address for the function use that instead.
         up with a larger address for the function use that instead.
         I don't think this can ever cause any problems; there
         I don't think this can ever cause any problems; there
         shouldn't be any minimal symbols in the middle of a function;
         shouldn't be any minimal symbols in the middle of a function;
         if this is ever changed many parts of GDB will need to be
         if this is ever changed many parts of GDB will need to be
         changed (and we'll create a find_pc_minimal_function or some
         changed (and we'll create a find_pc_minimal_function or some
         such).  */
         such).  */
 
 
      struct minimal_symbol *msymbol = NULL;
      struct minimal_symbol *msymbol = NULL;
 
 
      /* Don't attempt to do this for inlined functions, which do not
      /* Don't attempt to do this for inlined functions, which do not
         have a corresponding minimal symbol.  */
         have a corresponding minimal symbol.  */
      if (!block_inlined_p (SYMBOL_BLOCK_VALUE (func)))
      if (!block_inlined_p (SYMBOL_BLOCK_VALUE (func)))
        msymbol
        msymbol
          = lookup_minimal_symbol_by_pc (get_frame_address_in_block (frame));
          = lookup_minimal_symbol_by_pc (get_frame_address_in_block (frame));
 
 
      if (msymbol != NULL
      if (msymbol != NULL
          && (SYMBOL_VALUE_ADDRESS (msymbol)
          && (SYMBOL_VALUE_ADDRESS (msymbol)
              > BLOCK_START (SYMBOL_BLOCK_VALUE (func))))
              > BLOCK_START (SYMBOL_BLOCK_VALUE (func))))
        {
        {
          /* We also don't know anything about the function besides
          /* We also don't know anything about the function besides
             its address and name.  */
             its address and name.  */
          func = 0;
          func = 0;
          *funname = SYMBOL_PRINT_NAME (msymbol);
          *funname = SYMBOL_PRINT_NAME (msymbol);
          *funlang = SYMBOL_LANGUAGE (msymbol);
          *funlang = SYMBOL_LANGUAGE (msymbol);
        }
        }
      else
      else
        {
        {
          *funname = SYMBOL_PRINT_NAME (func);
          *funname = SYMBOL_PRINT_NAME (func);
          *funlang = SYMBOL_LANGUAGE (func);
          *funlang = SYMBOL_LANGUAGE (func);
          if (*funlang == language_cplus)
          if (*funlang == language_cplus)
            {
            {
              /* It seems appropriate to use SYMBOL_PRINT_NAME() here,
              /* It seems appropriate to use SYMBOL_PRINT_NAME() here,
                 to display the demangled name that we already have
                 to display the demangled name that we already have
                 stored in the symbol table, but we stored a version
                 stored in the symbol table, but we stored a version
                 with DMGL_PARAMS turned on, and here we don't want to
                 with DMGL_PARAMS turned on, and here we don't want to
                 display parameters.  So remove the parameters.  */
                 display parameters.  So remove the parameters.  */
              char *func_only = cp_remove_params (*funname);
              char *func_only = cp_remove_params (*funname);
              if (func_only)
              if (func_only)
                {
                {
                  *funname = func_only;
                  *funname = func_only;
                  make_cleanup (xfree, func_only);
                  make_cleanup (xfree, func_only);
                }
                }
            }
            }
        }
        }
    }
    }
  else
  else
    {
    {
      struct minimal_symbol *msymbol =
      struct minimal_symbol *msymbol =
        lookup_minimal_symbol_by_pc (get_frame_address_in_block (frame));
        lookup_minimal_symbol_by_pc (get_frame_address_in_block (frame));
 
 
      if (msymbol != NULL)
      if (msymbol != NULL)
        {
        {
          *funname = SYMBOL_PRINT_NAME (msymbol);
          *funname = SYMBOL_PRINT_NAME (msymbol);
          *funlang = SYMBOL_LANGUAGE (msymbol);
          *funlang = SYMBOL_LANGUAGE (msymbol);
        }
        }
    }
    }
}
}
 
 
static void
static void
print_frame (struct frame_info *frame, int print_level,
print_frame (struct frame_info *frame, int print_level,
             enum print_what print_what, int print_args,
             enum print_what print_what, int print_args,
             struct symtab_and_line sal)
             struct symtab_and_line sal)
{
{
  struct gdbarch *gdbarch = get_frame_arch (frame);
  struct gdbarch *gdbarch = get_frame_arch (frame);
  char *funname = NULL;
  char *funname = NULL;
  enum language funlang = language_unknown;
  enum language funlang = language_unknown;
  struct ui_stream *stb;
  struct ui_stream *stb;
  struct cleanup *old_chain, *list_chain;
  struct cleanup *old_chain, *list_chain;
  struct value_print_options opts;
  struct value_print_options opts;
 
 
  stb = ui_out_stream_new (uiout);
  stb = ui_out_stream_new (uiout);
  old_chain = make_cleanup_ui_out_stream_delete (stb);
  old_chain = make_cleanup_ui_out_stream_delete (stb);
 
 
  find_frame_funname (frame, &funname, &funlang);
  find_frame_funname (frame, &funname, &funlang);
 
 
  annotate_frame_begin (print_level ? frame_relative_level (frame) : 0,
  annotate_frame_begin (print_level ? frame_relative_level (frame) : 0,
                        gdbarch, get_frame_pc (frame));
                        gdbarch, get_frame_pc (frame));
 
 
  list_chain = make_cleanup_ui_out_tuple_begin_end (uiout, "frame");
  list_chain = make_cleanup_ui_out_tuple_begin_end (uiout, "frame");
 
 
  if (print_level)
  if (print_level)
    {
    {
      ui_out_text (uiout, "#");
      ui_out_text (uiout, "#");
      ui_out_field_fmt_int (uiout, 2, ui_left, "level",
      ui_out_field_fmt_int (uiout, 2, ui_left, "level",
                            frame_relative_level (frame));
                            frame_relative_level (frame));
    }
    }
  get_user_print_options (&opts);
  get_user_print_options (&opts);
  if (opts.addressprint)
  if (opts.addressprint)
    if (frame_show_address (frame, sal) || !sal.symtab
    if (frame_show_address (frame, sal) || !sal.symtab
        || print_what == LOC_AND_ADDRESS)
        || print_what == LOC_AND_ADDRESS)
      {
      {
        annotate_frame_address ();
        annotate_frame_address ();
        ui_out_field_core_addr (uiout, "addr", gdbarch, get_frame_pc (frame));
        ui_out_field_core_addr (uiout, "addr", gdbarch, get_frame_pc (frame));
        annotate_frame_address_end ();
        annotate_frame_address_end ();
        ui_out_text (uiout, " in ");
        ui_out_text (uiout, " in ");
      }
      }
  annotate_frame_function_name ();
  annotate_frame_function_name ();
  fprintf_symbol_filtered (stb->stream, funname ? funname : "??",
  fprintf_symbol_filtered (stb->stream, funname ? funname : "??",
                           funlang, DMGL_ANSI);
                           funlang, DMGL_ANSI);
  ui_out_field_stream (uiout, "func", stb);
  ui_out_field_stream (uiout, "func", stb);
  ui_out_wrap_hint (uiout, "   ");
  ui_out_wrap_hint (uiout, "   ");
  annotate_frame_args ();
  annotate_frame_args ();
 
 
  ui_out_text (uiout, " (");
  ui_out_text (uiout, " (");
  if (print_args)
  if (print_args)
    {
    {
      struct print_args_args args;
      struct print_args_args args;
      struct cleanup *args_list_chain;
      struct cleanup *args_list_chain;
      args.frame = frame;
      args.frame = frame;
      args.func = find_pc_function (get_frame_address_in_block (frame));
      args.func = find_pc_function (get_frame_address_in_block (frame));
      args.stream = gdb_stdout;
      args.stream = gdb_stdout;
      args_list_chain = make_cleanup_ui_out_list_begin_end (uiout, "args");
      args_list_chain = make_cleanup_ui_out_list_begin_end (uiout, "args");
      catch_errors (print_args_stub, &args, "", RETURN_MASK_ERROR);
      catch_errors (print_args_stub, &args, "", RETURN_MASK_ERROR);
      /* FIXME: ARGS must be a list. If one argument is a string it
      /* FIXME: ARGS must be a list. If one argument is a string it
          will have " that will not be properly escaped.  */
          will have " that will not be properly escaped.  */
      /* Invoke ui_out_tuple_end.  */
      /* Invoke ui_out_tuple_end.  */
      do_cleanups (args_list_chain);
      do_cleanups (args_list_chain);
      QUIT;
      QUIT;
    }
    }
  ui_out_text (uiout, ")");
  ui_out_text (uiout, ")");
  if (sal.symtab && sal.symtab->filename)
  if (sal.symtab && sal.symtab->filename)
    {
    {
      annotate_frame_source_begin ();
      annotate_frame_source_begin ();
      ui_out_wrap_hint (uiout, "   ");
      ui_out_wrap_hint (uiout, "   ");
      ui_out_text (uiout, " at ");
      ui_out_text (uiout, " at ");
      annotate_frame_source_file ();
      annotate_frame_source_file ();
      ui_out_field_string (uiout, "file", sal.symtab->filename);
      ui_out_field_string (uiout, "file", sal.symtab->filename);
      if (ui_out_is_mi_like_p (uiout))
      if (ui_out_is_mi_like_p (uiout))
        {
        {
          const char *fullname = symtab_to_fullname (sal.symtab);
          const char *fullname = symtab_to_fullname (sal.symtab);
          if (fullname != NULL)
          if (fullname != NULL)
            ui_out_field_string (uiout, "fullname", fullname);
            ui_out_field_string (uiout, "fullname", fullname);
        }
        }
      annotate_frame_source_file_end ();
      annotate_frame_source_file_end ();
      ui_out_text (uiout, ":");
      ui_out_text (uiout, ":");
      annotate_frame_source_line ();
      annotate_frame_source_line ();
      ui_out_field_int (uiout, "line", sal.line);
      ui_out_field_int (uiout, "line", sal.line);
      annotate_frame_source_end ();
      annotate_frame_source_end ();
    }
    }
 
 
  if (!funname || (!sal.symtab || !sal.symtab->filename))
  if (!funname || (!sal.symtab || !sal.symtab->filename))
    {
    {
#ifdef PC_SOLIB
#ifdef PC_SOLIB
      char *lib = PC_SOLIB (get_frame_pc (frame));
      char *lib = PC_SOLIB (get_frame_pc (frame));
#else
#else
      char *lib = solib_name_from_address (get_frame_program_space (frame),
      char *lib = solib_name_from_address (get_frame_program_space (frame),
                                           get_frame_pc (frame));
                                           get_frame_pc (frame));
#endif
#endif
      if (lib)
      if (lib)
        {
        {
          annotate_frame_where ();
          annotate_frame_where ();
          ui_out_wrap_hint (uiout, "  ");
          ui_out_wrap_hint (uiout, "  ");
          ui_out_text (uiout, " from ");
          ui_out_text (uiout, " from ");
          ui_out_field_string (uiout, "from", lib);
          ui_out_field_string (uiout, "from", lib);
        }
        }
    }
    }
 
 
  /* do_cleanups will call ui_out_tuple_end() for us.  */
  /* do_cleanups will call ui_out_tuple_end() for us.  */
  do_cleanups (list_chain);
  do_cleanups (list_chain);
  ui_out_text (uiout, "\n");
  ui_out_text (uiout, "\n");
  do_cleanups (old_chain);
  do_cleanups (old_chain);
}
}


 
 
/* Read a frame specification in whatever the appropriate format is
/* Read a frame specification in whatever the appropriate format is
   from FRAME_EXP.  Call error(), printing MESSAGE, if the
   from FRAME_EXP.  Call error(), printing MESSAGE, if the
   specification is in any way invalid (so this function never returns
   specification is in any way invalid (so this function never returns
   NULL).  When SEPECTED_P is non-NULL set its target to indicate that
   NULL).  When SEPECTED_P is non-NULL set its target to indicate that
   the default selected frame was used.  */
   the default selected frame was used.  */
 
 
static struct frame_info *
static struct frame_info *
parse_frame_specification_1 (const char *frame_exp, const char *message,
parse_frame_specification_1 (const char *frame_exp, const char *message,
                             int *selected_frame_p)
                             int *selected_frame_p)
{
{
  int numargs;
  int numargs;
  struct value *args[4];
  struct value *args[4];
  CORE_ADDR addrs[ARRAY_SIZE (args)];
  CORE_ADDR addrs[ARRAY_SIZE (args)];
 
 
  if (frame_exp == NULL)
  if (frame_exp == NULL)
    numargs = 0;
    numargs = 0;
  else
  else
    {
    {
      char *addr_string;
      char *addr_string;
      struct cleanup *tmp_cleanup;
      struct cleanup *tmp_cleanup;
 
 
      numargs = 0;
      numargs = 0;
      while (1)
      while (1)
        {
        {
          char *addr_string;
          char *addr_string;
          struct cleanup *cleanup;
          struct cleanup *cleanup;
          const char *p;
          const char *p;
 
 
          /* Skip leading white space, bail of EOL.  */
          /* Skip leading white space, bail of EOL.  */
          while (isspace (*frame_exp))
          while (isspace (*frame_exp))
            frame_exp++;
            frame_exp++;
          if (!*frame_exp)
          if (!*frame_exp)
            break;
            break;
 
 
          /* Parse the argument, extract it, save it.  */
          /* Parse the argument, extract it, save it.  */
          for (p = frame_exp;
          for (p = frame_exp;
               *p && !isspace (*p);
               *p && !isspace (*p);
               p++);
               p++);
          addr_string = savestring (frame_exp, p - frame_exp);
          addr_string = savestring (frame_exp, p - frame_exp);
          frame_exp = p;
          frame_exp = p;
          cleanup = make_cleanup (xfree, addr_string);
          cleanup = make_cleanup (xfree, addr_string);
 
 
          /* NOTE: Parse and evaluate expression, but do not use
          /* NOTE: Parse and evaluate expression, but do not use
             functions such as parse_and_eval_long or
             functions such as parse_and_eval_long or
             parse_and_eval_address to also extract the value.
             parse_and_eval_address to also extract the value.
             Instead value_as_long and value_as_address are used.
             Instead value_as_long and value_as_address are used.
             This avoids problems with expressions that contain
             This avoids problems with expressions that contain
             side-effects.  */
             side-effects.  */
          if (numargs >= ARRAY_SIZE (args))
          if (numargs >= ARRAY_SIZE (args))
            error (_("Too many args in frame specification"));
            error (_("Too many args in frame specification"));
          args[numargs++] = parse_and_eval (addr_string);
          args[numargs++] = parse_and_eval (addr_string);
 
 
          do_cleanups (cleanup);
          do_cleanups (cleanup);
        }
        }
    }
    }
 
 
  /* If no args, default to the selected frame.  */
  /* If no args, default to the selected frame.  */
  if (numargs == 0)
  if (numargs == 0)
    {
    {
      if (selected_frame_p != NULL)
      if (selected_frame_p != NULL)
        (*selected_frame_p) = 1;
        (*selected_frame_p) = 1;
      return get_selected_frame (message);
      return get_selected_frame (message);
    }
    }
 
 
  /* None of the remaining use the selected frame.  */
  /* None of the remaining use the selected frame.  */
  if (selected_frame_p != NULL)
  if (selected_frame_p != NULL)
    (*selected_frame_p) = 0;
    (*selected_frame_p) = 0;
 
 
  /* Assume the single arg[0] is an integer, and try using that to
  /* Assume the single arg[0] is an integer, and try using that to
     select a frame relative to current.  */
     select a frame relative to current.  */
  if (numargs == 1)
  if (numargs == 1)
    {
    {
      struct frame_info *fid;
      struct frame_info *fid;
      int level = value_as_long (args[0]);
      int level = value_as_long (args[0]);
      fid = find_relative_frame (get_current_frame (), &level);
      fid = find_relative_frame (get_current_frame (), &level);
      if (level == 0)
      if (level == 0)
        /* find_relative_frame was successful */
        /* find_relative_frame was successful */
        return fid;
        return fid;
    }
    }
 
 
  /* Convert each value into a corresponding address.  */
  /* Convert each value into a corresponding address.  */
  {
  {
    int i;
    int i;
    for (i = 0; i < numargs; i++)
    for (i = 0; i < numargs; i++)
      addrs[i] = value_as_address (args[i]);
      addrs[i] = value_as_address (args[i]);
  }
  }
 
 
  /* Assume that the single arg[0] is an address, use that to identify
  /* Assume that the single arg[0] is an address, use that to identify
     a frame with a matching ID.  Should this also accept stack/pc or
     a frame with a matching ID.  Should this also accept stack/pc or
     stack/pc/special.  */
     stack/pc/special.  */
  if (numargs == 1)
  if (numargs == 1)
    {
    {
      struct frame_id id = frame_id_build_wild (addrs[0]);
      struct frame_id id = frame_id_build_wild (addrs[0]);
      struct frame_info *fid;
      struct frame_info *fid;
 
 
      /* If (s)he specifies the frame with an address, he deserves
      /* If (s)he specifies the frame with an address, he deserves
         what (s)he gets.  Still, give the highest one that matches.
         what (s)he gets.  Still, give the highest one that matches.
         (NOTE: cagney/2004-10-29: Why highest, or outer-most, I don't
         (NOTE: cagney/2004-10-29: Why highest, or outer-most, I don't
         know).  */
         know).  */
      for (fid = get_current_frame ();
      for (fid = get_current_frame ();
           fid != NULL;
           fid != NULL;
           fid = get_prev_frame (fid))
           fid = get_prev_frame (fid))
        {
        {
          if (frame_id_eq (id, get_frame_id (fid)))
          if (frame_id_eq (id, get_frame_id (fid)))
            {
            {
              struct frame_info *prev_frame;
              struct frame_info *prev_frame;
 
 
              while (1)
              while (1)
                {
                {
                  prev_frame = get_prev_frame (fid);
                  prev_frame = get_prev_frame (fid);
                  if (!prev_frame
                  if (!prev_frame
                      || !frame_id_eq (id, get_frame_id (prev_frame)))
                      || !frame_id_eq (id, get_frame_id (prev_frame)))
                    break;
                    break;
                  fid = prev_frame;
                  fid = prev_frame;
                }
                }
              return fid;
              return fid;
            }
            }
        }
        }
      }
      }
 
 
  /* We couldn't identify the frame as an existing frame, but
  /* We couldn't identify the frame as an existing frame, but
     perhaps we can create one with a single argument.  */
     perhaps we can create one with a single argument.  */
  if (numargs == 1)
  if (numargs == 1)
    return create_new_frame (addrs[0], 0);
    return create_new_frame (addrs[0], 0);
  else if (numargs == 2)
  else if (numargs == 2)
    return create_new_frame (addrs[0], addrs[1]);
    return create_new_frame (addrs[0], addrs[1]);
  else
  else
    error (_("Too many args in frame specification"));
    error (_("Too many args in frame specification"));
}
}
 
 
static struct frame_info *
static struct frame_info *
parse_frame_specification (char *frame_exp)
parse_frame_specification (char *frame_exp)
{
{
  return parse_frame_specification_1 (frame_exp, NULL, NULL);
  return parse_frame_specification_1 (frame_exp, NULL, NULL);
}
}
 
 
/* Print verbosely the selected frame or the frame at address
/* Print verbosely the selected frame or the frame at address
   ADDR_EXP.  Absolutely all information in the frame is printed.  */
   ADDR_EXP.  Absolutely all information in the frame is printed.  */
 
 
static void
static void
frame_info (char *addr_exp, int from_tty)
frame_info (char *addr_exp, int from_tty)
{
{
  struct frame_info *fi;
  struct frame_info *fi;
  struct symtab_and_line sal;
  struct symtab_and_line sal;
  struct symbol *func;
  struct symbol *func;
  struct symtab *s;
  struct symtab *s;
  struct frame_info *calling_frame_info;
  struct frame_info *calling_frame_info;
  int i, count, numregs;
  int i, count, numregs;
  char *funname = 0;
  char *funname = 0;
  enum language funlang = language_unknown;
  enum language funlang = language_unknown;
  const char *pc_regname;
  const char *pc_regname;
  int selected_frame_p;
  int selected_frame_p;
  struct gdbarch *gdbarch;
  struct gdbarch *gdbarch;
  struct cleanup *back_to = make_cleanup (null_cleanup, NULL);
  struct cleanup *back_to = make_cleanup (null_cleanup, NULL);
 
 
  fi = parse_frame_specification_1 (addr_exp, "No stack.", &selected_frame_p);
  fi = parse_frame_specification_1 (addr_exp, "No stack.", &selected_frame_p);
  gdbarch = get_frame_arch (fi);
  gdbarch = get_frame_arch (fi);
 
 
  /* Name of the value returned by get_frame_pc().  Per comments, "pc"
  /* Name of the value returned by get_frame_pc().  Per comments, "pc"
     is not a good name.  */
     is not a good name.  */
  if (gdbarch_pc_regnum (gdbarch) >= 0)
  if (gdbarch_pc_regnum (gdbarch) >= 0)
    /* OK, this is weird.  The gdbarch_pc_regnum hardware register's value can
    /* OK, this is weird.  The gdbarch_pc_regnum hardware register's value can
       easily not match that of the internal value returned by
       easily not match that of the internal value returned by
       get_frame_pc().  */
       get_frame_pc().  */
    pc_regname = gdbarch_register_name (gdbarch, gdbarch_pc_regnum (gdbarch));
    pc_regname = gdbarch_register_name (gdbarch, gdbarch_pc_regnum (gdbarch));
  else
  else
    /* But then, this is weird to.  Even without gdbarch_pc_regnum, an
    /* But then, this is weird to.  Even without gdbarch_pc_regnum, an
       architectures will often have a hardware register called "pc",
       architectures will often have a hardware register called "pc",
       and that register's value, again, can easily not match
       and that register's value, again, can easily not match
       get_frame_pc().  */
       get_frame_pc().  */
    pc_regname = "pc";
    pc_regname = "pc";
 
 
  find_frame_sal (fi, &sal);
  find_frame_sal (fi, &sal);
  func = get_frame_function (fi);
  func = get_frame_function (fi);
  /* FIXME: cagney/2002-11-28: Why bother?  Won't sal.symtab contain
  /* FIXME: cagney/2002-11-28: Why bother?  Won't sal.symtab contain
     the same value?  */
     the same value?  */
  s = find_pc_symtab (get_frame_pc (fi));
  s = find_pc_symtab (get_frame_pc (fi));
  if (func)
  if (func)
    {
    {
      funname = SYMBOL_PRINT_NAME (func);
      funname = SYMBOL_PRINT_NAME (func);
      funlang = SYMBOL_LANGUAGE (func);
      funlang = SYMBOL_LANGUAGE (func);
      if (funlang == language_cplus)
      if (funlang == language_cplus)
        {
        {
          /* It seems appropriate to use SYMBOL_PRINT_NAME() here,
          /* It seems appropriate to use SYMBOL_PRINT_NAME() here,
             to display the demangled name that we already have
             to display the demangled name that we already have
             stored in the symbol table, but we stored a version
             stored in the symbol table, but we stored a version
             with DMGL_PARAMS turned on, and here we don't want to
             with DMGL_PARAMS turned on, and here we don't want to
             display parameters.  So remove the parameters.  */
             display parameters.  So remove the parameters.  */
          char *func_only = cp_remove_params (funname);
          char *func_only = cp_remove_params (funname);
          if (func_only)
          if (func_only)
            {
            {
              funname = func_only;
              funname = func_only;
              make_cleanup (xfree, func_only);
              make_cleanup (xfree, func_only);
            }
            }
        }
        }
    }
    }
  else
  else
    {
    {
      struct minimal_symbol *msymbol;
      struct minimal_symbol *msymbol;
 
 
      msymbol = lookup_minimal_symbol_by_pc (get_frame_pc (fi));
      msymbol = lookup_minimal_symbol_by_pc (get_frame_pc (fi));
      if (msymbol != NULL)
      if (msymbol != NULL)
        {
        {
          funname = SYMBOL_PRINT_NAME (msymbol);
          funname = SYMBOL_PRINT_NAME (msymbol);
          funlang = SYMBOL_LANGUAGE (msymbol);
          funlang = SYMBOL_LANGUAGE (msymbol);
        }
        }
    }
    }
  calling_frame_info = get_prev_frame (fi);
  calling_frame_info = get_prev_frame (fi);
 
 
  if (selected_frame_p && frame_relative_level (fi) >= 0)
  if (selected_frame_p && frame_relative_level (fi) >= 0)
    {
    {
      printf_filtered (_("Stack level %d, frame at "),
      printf_filtered (_("Stack level %d, frame at "),
                       frame_relative_level (fi));
                       frame_relative_level (fi));
    }
    }
  else
  else
    {
    {
      printf_filtered (_("Stack frame at "));
      printf_filtered (_("Stack frame at "));
    }
    }
  fputs_filtered (paddress (gdbarch, get_frame_base (fi)), gdb_stdout);
  fputs_filtered (paddress (gdbarch, get_frame_base (fi)), gdb_stdout);
  printf_filtered (":\n");
  printf_filtered (":\n");
  printf_filtered (" %s = ", pc_regname);
  printf_filtered (" %s = ", pc_regname);
  fputs_filtered (paddress (gdbarch, get_frame_pc (fi)), gdb_stdout);
  fputs_filtered (paddress (gdbarch, get_frame_pc (fi)), gdb_stdout);
 
 
  wrap_here ("   ");
  wrap_here ("   ");
  if (funname)
  if (funname)
    {
    {
      printf_filtered (" in ");
      printf_filtered (" in ");
      fprintf_symbol_filtered (gdb_stdout, funname, funlang,
      fprintf_symbol_filtered (gdb_stdout, funname, funlang,
                               DMGL_ANSI | DMGL_PARAMS);
                               DMGL_ANSI | DMGL_PARAMS);
    }
    }
  wrap_here ("   ");
  wrap_here ("   ");
  if (sal.symtab)
  if (sal.symtab)
    printf_filtered (" (%s:%d)", sal.symtab->filename, sal.line);
    printf_filtered (" (%s:%d)", sal.symtab->filename, sal.line);
  puts_filtered ("; ");
  puts_filtered ("; ");
  wrap_here ("    ");
  wrap_here ("    ");
  printf_filtered ("saved %s ", pc_regname);
  printf_filtered ("saved %s ", pc_regname);
  fputs_filtered (paddress (gdbarch, frame_unwind_caller_pc (fi)), gdb_stdout);
  fputs_filtered (paddress (gdbarch, frame_unwind_caller_pc (fi)), gdb_stdout);
  printf_filtered ("\n");
  printf_filtered ("\n");
 
 
  if (calling_frame_info == NULL)
  if (calling_frame_info == NULL)
    {
    {
      enum unwind_stop_reason reason;
      enum unwind_stop_reason reason;
 
 
      reason = get_frame_unwind_stop_reason (fi);
      reason = get_frame_unwind_stop_reason (fi);
      if (reason != UNWIND_NO_REASON)
      if (reason != UNWIND_NO_REASON)
        printf_filtered (_(" Outermost frame: %s\n"),
        printf_filtered (_(" Outermost frame: %s\n"),
                         frame_stop_reason_string (reason));
                         frame_stop_reason_string (reason));
    }
    }
  else if (get_frame_type (fi) == INLINE_FRAME)
  else if (get_frame_type (fi) == INLINE_FRAME)
    printf_filtered (" inlined into frame %d",
    printf_filtered (" inlined into frame %d",
                     frame_relative_level (get_prev_frame (fi)));
                     frame_relative_level (get_prev_frame (fi)));
  else
  else
    {
    {
      printf_filtered (" called by frame at ");
      printf_filtered (" called by frame at ");
      fputs_filtered (paddress (gdbarch, get_frame_base (calling_frame_info)),
      fputs_filtered (paddress (gdbarch, get_frame_base (calling_frame_info)),
                      gdb_stdout);
                      gdb_stdout);
    }
    }
  if (get_next_frame (fi) && calling_frame_info)
  if (get_next_frame (fi) && calling_frame_info)
    puts_filtered (",");
    puts_filtered (",");
  wrap_here ("   ");
  wrap_here ("   ");
  if (get_next_frame (fi))
  if (get_next_frame (fi))
    {
    {
      printf_filtered (" caller of frame at ");
      printf_filtered (" caller of frame at ");
      fputs_filtered (paddress (gdbarch, get_frame_base (get_next_frame (fi))),
      fputs_filtered (paddress (gdbarch, get_frame_base (get_next_frame (fi))),
                      gdb_stdout);
                      gdb_stdout);
    }
    }
  if (get_next_frame (fi) || calling_frame_info)
  if (get_next_frame (fi) || calling_frame_info)
    puts_filtered ("\n");
    puts_filtered ("\n");
 
 
  if (s)
  if (s)
    printf_filtered (" source language %s.\n",
    printf_filtered (" source language %s.\n",
                     language_str (s->language));
                     language_str (s->language));
 
 
  {
  {
    /* Address of the argument list for this frame, or 0.  */
    /* Address of the argument list for this frame, or 0.  */
    CORE_ADDR arg_list = get_frame_args_address (fi);
    CORE_ADDR arg_list = get_frame_args_address (fi);
    /* Number of args for this frame, or -1 if unknown.  */
    /* Number of args for this frame, or -1 if unknown.  */
    int numargs;
    int numargs;
 
 
    if (arg_list == 0)
    if (arg_list == 0)
      printf_filtered (" Arglist at unknown address.\n");
      printf_filtered (" Arglist at unknown address.\n");
    else
    else
      {
      {
        printf_filtered (" Arglist at ");
        printf_filtered (" Arglist at ");
        fputs_filtered (paddress (gdbarch, arg_list), gdb_stdout);
        fputs_filtered (paddress (gdbarch, arg_list), gdb_stdout);
        printf_filtered (",");
        printf_filtered (",");
 
 
        if (!gdbarch_frame_num_args_p (gdbarch))
        if (!gdbarch_frame_num_args_p (gdbarch))
          {
          {
            numargs = -1;
            numargs = -1;
            puts_filtered (" args: ");
            puts_filtered (" args: ");
          }
          }
        else
        else
          {
          {
            numargs = gdbarch_frame_num_args (gdbarch, fi);
            numargs = gdbarch_frame_num_args (gdbarch, fi);
            gdb_assert (numargs >= 0);
            gdb_assert (numargs >= 0);
            if (numargs == 0)
            if (numargs == 0)
              puts_filtered (" no args.");
              puts_filtered (" no args.");
            else if (numargs == 1)
            else if (numargs == 1)
              puts_filtered (" 1 arg: ");
              puts_filtered (" 1 arg: ");
            else
            else
              printf_filtered (" %d args: ", numargs);
              printf_filtered (" %d args: ", numargs);
          }
          }
        print_frame_args (func, fi, numargs, gdb_stdout);
        print_frame_args (func, fi, numargs, gdb_stdout);
        puts_filtered ("\n");
        puts_filtered ("\n");
      }
      }
  }
  }
  {
  {
    /* Address of the local variables for this frame, or 0.  */
    /* Address of the local variables for this frame, or 0.  */
    CORE_ADDR arg_list = get_frame_locals_address (fi);
    CORE_ADDR arg_list = get_frame_locals_address (fi);
 
 
    if (arg_list == 0)
    if (arg_list == 0)
      printf_filtered (" Locals at unknown address,");
      printf_filtered (" Locals at unknown address,");
    else
    else
      {
      {
        printf_filtered (" Locals at ");
        printf_filtered (" Locals at ");
        fputs_filtered (paddress (gdbarch, arg_list), gdb_stdout);
        fputs_filtered (paddress (gdbarch, arg_list), gdb_stdout);
        printf_filtered (",");
        printf_filtered (",");
      }
      }
  }
  }
 
 
  /* Print as much information as possible on the location of all the
  /* Print as much information as possible on the location of all the
     registers.  */
     registers.  */
  {
  {
    enum lval_type lval;
    enum lval_type lval;
    int optimized;
    int optimized;
    CORE_ADDR addr;
    CORE_ADDR addr;
    int realnum;
    int realnum;
    int count;
    int count;
    int i;
    int i;
    int need_nl = 1;
    int need_nl = 1;
 
 
    /* The sp is special; what's displayed isn't the save address, but
    /* The sp is special; what's displayed isn't the save address, but
       the value of the previous frame's sp.  This is a legacy thing,
       the value of the previous frame's sp.  This is a legacy thing,
       at one stage the frame cached the previous frame's SP instead
       at one stage the frame cached the previous frame's SP instead
       of its address, hence it was easiest to just display the cached
       of its address, hence it was easiest to just display the cached
       value.  */
       value.  */
    if (gdbarch_sp_regnum (gdbarch) >= 0)
    if (gdbarch_sp_regnum (gdbarch) >= 0)
      {
      {
        /* Find out the location of the saved stack pointer with out
        /* Find out the location of the saved stack pointer with out
           actually evaluating it.  */
           actually evaluating it.  */
        frame_register_unwind (fi, gdbarch_sp_regnum (gdbarch),
        frame_register_unwind (fi, gdbarch_sp_regnum (gdbarch),
                               &optimized, &lval, &addr,
                               &optimized, &lval, &addr,
                               &realnum, NULL);
                               &realnum, NULL);
        if (!optimized && lval == not_lval)
        if (!optimized && lval == not_lval)
          {
          {
            enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
            enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
            int sp_size = register_size (gdbarch, gdbarch_sp_regnum (gdbarch));
            int sp_size = register_size (gdbarch, gdbarch_sp_regnum (gdbarch));
            gdb_byte value[MAX_REGISTER_SIZE];
            gdb_byte value[MAX_REGISTER_SIZE];
            CORE_ADDR sp;
            CORE_ADDR sp;
            frame_register_unwind (fi, gdbarch_sp_regnum (gdbarch),
            frame_register_unwind (fi, gdbarch_sp_regnum (gdbarch),
                                   &optimized, &lval, &addr,
                                   &optimized, &lval, &addr,
                                   &realnum, value);
                                   &realnum, value);
            /* NOTE: cagney/2003-05-22: This is assuming that the
            /* NOTE: cagney/2003-05-22: This is assuming that the
               stack pointer was packed as an unsigned integer.  That
               stack pointer was packed as an unsigned integer.  That
               may or may not be valid.  */
               may or may not be valid.  */
            sp = extract_unsigned_integer (value, sp_size, byte_order);
            sp = extract_unsigned_integer (value, sp_size, byte_order);
            printf_filtered (" Previous frame's sp is ");
            printf_filtered (" Previous frame's sp is ");
            fputs_filtered (paddress (gdbarch, sp), gdb_stdout);
            fputs_filtered (paddress (gdbarch, sp), gdb_stdout);
            printf_filtered ("\n");
            printf_filtered ("\n");
            need_nl = 0;
            need_nl = 0;
          }
          }
        else if (!optimized && lval == lval_memory)
        else if (!optimized && lval == lval_memory)
          {
          {
            printf_filtered (" Previous frame's sp at ");
            printf_filtered (" Previous frame's sp at ");
            fputs_filtered (paddress (gdbarch, addr), gdb_stdout);
            fputs_filtered (paddress (gdbarch, addr), gdb_stdout);
            printf_filtered ("\n");
            printf_filtered ("\n");
            need_nl = 0;
            need_nl = 0;
          }
          }
        else if (!optimized && lval == lval_register)
        else if (!optimized && lval == lval_register)
          {
          {
            printf_filtered (" Previous frame's sp in %s\n",
            printf_filtered (" Previous frame's sp in %s\n",
                             gdbarch_register_name (gdbarch, realnum));
                             gdbarch_register_name (gdbarch, realnum));
            need_nl = 0;
            need_nl = 0;
          }
          }
        /* else keep quiet.  */
        /* else keep quiet.  */
      }
      }
 
 
    count = 0;
    count = 0;
    numregs = gdbarch_num_regs (gdbarch)
    numregs = gdbarch_num_regs (gdbarch)
              + gdbarch_num_pseudo_regs (gdbarch);
              + gdbarch_num_pseudo_regs (gdbarch);
    for (i = 0; i < numregs; i++)
    for (i = 0; i < numregs; i++)
      if (i != gdbarch_sp_regnum (gdbarch)
      if (i != gdbarch_sp_regnum (gdbarch)
          && gdbarch_register_reggroup_p (gdbarch, i, all_reggroup))
          && gdbarch_register_reggroup_p (gdbarch, i, all_reggroup))
        {
        {
          /* Find out the location of the saved register without
          /* Find out the location of the saved register without
             fetching the corresponding value.  */
             fetching the corresponding value.  */
          frame_register_unwind (fi, i, &optimized, &lval, &addr, &realnum,
          frame_register_unwind (fi, i, &optimized, &lval, &addr, &realnum,
                                 NULL);
                                 NULL);
          /* For moment, only display registers that were saved on the
          /* For moment, only display registers that were saved on the
             stack.  */
             stack.  */
          if (!optimized && lval == lval_memory)
          if (!optimized && lval == lval_memory)
            {
            {
              if (count == 0)
              if (count == 0)
                puts_filtered (" Saved registers:\n ");
                puts_filtered (" Saved registers:\n ");
              else
              else
                puts_filtered (",");
                puts_filtered (",");
              wrap_here (" ");
              wrap_here (" ");
              printf_filtered (" %s at ",
              printf_filtered (" %s at ",
                               gdbarch_register_name (gdbarch, i));
                               gdbarch_register_name (gdbarch, i));
              fputs_filtered (paddress (gdbarch, addr), gdb_stdout);
              fputs_filtered (paddress (gdbarch, addr), gdb_stdout);
              count++;
              count++;
            }
            }
        }
        }
    if (count || need_nl)
    if (count || need_nl)
      puts_filtered ("\n");
      puts_filtered ("\n");
  }
  }
 
 
  do_cleanups (back_to);
  do_cleanups (back_to);
}
}
 
 
/* Print briefly all stack frames or just the innermost COUNT_EXP
/* Print briefly all stack frames or just the innermost COUNT_EXP
   frames.  */
   frames.  */
 
 
static void
static void
backtrace_command_1 (char *count_exp, int show_locals, int from_tty)
backtrace_command_1 (char *count_exp, int show_locals, int from_tty)
{
{
  struct frame_info *fi;
  struct frame_info *fi;
  int count;
  int count;
  int i;
  int i;
  struct frame_info *trailing;
  struct frame_info *trailing;
  int trailing_level;
  int trailing_level;
 
 
  if (!target_has_stack)
  if (!target_has_stack)
    error (_("No stack."));
    error (_("No stack."));
 
 
  /* The following code must do two things.  First, it must set the
  /* The following code must do two things.  First, it must set the
     variable TRAILING to the frame from which we should start
     variable TRAILING to the frame from which we should start
     printing.  Second, it must set the variable count to the number
     printing.  Second, it must set the variable count to the number
     of frames which we should print, or -1 if all of them.  */
     of frames which we should print, or -1 if all of them.  */
  trailing = get_current_frame ();
  trailing = get_current_frame ();
 
 
  trailing_level = 0;
  trailing_level = 0;
  if (count_exp)
  if (count_exp)
    {
    {
      count = parse_and_eval_long (count_exp);
      count = parse_and_eval_long (count_exp);
      if (count < 0)
      if (count < 0)
        {
        {
          struct frame_info *current;
          struct frame_info *current;
 
 
          count = -count;
          count = -count;
 
 
          current = trailing;
          current = trailing;
          while (current && count--)
          while (current && count--)
            {
            {
              QUIT;
              QUIT;
              current = get_prev_frame (current);
              current = get_prev_frame (current);
            }
            }
 
 
          /* Will stop when CURRENT reaches the top of the stack.
          /* Will stop when CURRENT reaches the top of the stack.
             TRAILING will be COUNT below it.  */
             TRAILING will be COUNT below it.  */
          while (current)
          while (current)
            {
            {
              QUIT;
              QUIT;
              trailing = get_prev_frame (trailing);
              trailing = get_prev_frame (trailing);
              current = get_prev_frame (current);
              current = get_prev_frame (current);
              trailing_level++;
              trailing_level++;
            }
            }
 
 
          count = -1;
          count = -1;
        }
        }
    }
    }
  else
  else
    count = -1;
    count = -1;
 
 
  if (info_verbose)
  if (info_verbose)
    {
    {
      struct partial_symtab *ps;
      struct partial_symtab *ps;
 
 
      /* Read in symbols for all of the frames.  Need to do this in a
      /* Read in symbols for all of the frames.  Need to do this in a
         separate pass so that "Reading in symbols for xxx" messages
         separate pass so that "Reading in symbols for xxx" messages
         don't screw up the appearance of the backtrace.  Also if
         don't screw up the appearance of the backtrace.  Also if
         people have strong opinions against reading symbols for
         people have strong opinions against reading symbols for
         backtrace this may have to be an option.  */
         backtrace this may have to be an option.  */
      i = count;
      i = count;
      for (fi = trailing; fi != NULL && i--; fi = get_prev_frame (fi))
      for (fi = trailing; fi != NULL && i--; fi = get_prev_frame (fi))
        {
        {
          QUIT;
          QUIT;
          ps = find_pc_psymtab (get_frame_address_in_block (fi));
          ps = find_pc_psymtab (get_frame_address_in_block (fi));
          if (ps)
          if (ps)
            PSYMTAB_TO_SYMTAB (ps); /* Force syms to come in.  */
            PSYMTAB_TO_SYMTAB (ps); /* Force syms to come in.  */
        }
        }
    }
    }
 
 
  for (i = 0, fi = trailing; fi && count--; i++, fi = get_prev_frame (fi))
  for (i = 0, fi = trailing; fi && count--; i++, fi = get_prev_frame (fi))
    {
    {
      QUIT;
      QUIT;
 
 
      /* Don't use print_stack_frame; if an error() occurs it probably
      /* Don't use print_stack_frame; if an error() occurs it probably
         means further attempts to backtrace would fail (on the other
         means further attempts to backtrace would fail (on the other
         hand, perhaps the code does or could be fixed to make sure
         hand, perhaps the code does or could be fixed to make sure
         the frame->prev field gets set to NULL in that case).  */
         the frame->prev field gets set to NULL in that case).  */
      print_frame_info (fi, 1, LOCATION, 1);
      print_frame_info (fi, 1, LOCATION, 1);
      if (show_locals)
      if (show_locals)
        print_frame_local_vars (fi, 1, gdb_stdout);
        print_frame_local_vars (fi, 1, gdb_stdout);
 
 
      /* Save the last frame to check for error conditions.  */
      /* Save the last frame to check for error conditions.  */
      trailing = fi;
      trailing = fi;
    }
    }
 
 
  /* If we've stopped before the end, mention that.  */
  /* If we've stopped before the end, mention that.  */
  if (fi && from_tty)
  if (fi && from_tty)
    printf_filtered (_("(More stack frames follow...)\n"));
    printf_filtered (_("(More stack frames follow...)\n"));
 
 
  /* If we've run out of frames, and the reason appears to be an error
  /* If we've run out of frames, and the reason appears to be an error
     condition, print it.  */
     condition, print it.  */
  if (fi == NULL && trailing != NULL)
  if (fi == NULL && trailing != NULL)
    {
    {
      enum unwind_stop_reason reason;
      enum unwind_stop_reason reason;
 
 
      reason = get_frame_unwind_stop_reason (trailing);
      reason = get_frame_unwind_stop_reason (trailing);
      if (reason > UNWIND_FIRST_ERROR)
      if (reason > UNWIND_FIRST_ERROR)
        printf_filtered (_("Backtrace stopped: %s\n"),
        printf_filtered (_("Backtrace stopped: %s\n"),
                         frame_stop_reason_string (reason));
                         frame_stop_reason_string (reason));
    }
    }
}
}
 
 
struct backtrace_command_args
struct backtrace_command_args
{
{
  char *count_exp;
  char *count_exp;
  int show_locals;
  int show_locals;
  int from_tty;
  int from_tty;
};
};
 
 
/* Stub for catch_errors.  */
/* Stub for catch_errors.  */
 
 
static int
static int
backtrace_command_stub (void *data)
backtrace_command_stub (void *data)
{
{
  struct backtrace_command_args *args = data;
  struct backtrace_command_args *args = data;
  backtrace_command_1 (args->count_exp, args->show_locals, args->from_tty);
  backtrace_command_1 (args->count_exp, args->show_locals, args->from_tty);
  return 0;
  return 0;
}
}
 
 
static void
static void
backtrace_command (char *arg, int from_tty)
backtrace_command (char *arg, int from_tty)
{
{
  struct cleanup *old_chain = NULL;
  struct cleanup *old_chain = NULL;
  int fulltrace_arg = -1, arglen = 0, argc = 0;
  int fulltrace_arg = -1, arglen = 0, argc = 0;
  struct backtrace_command_args btargs;
  struct backtrace_command_args btargs;
 
 
  if (arg)
  if (arg)
    {
    {
      char **argv;
      char **argv;
      int i;
      int i;
 
 
      argv = gdb_buildargv (arg);
      argv = gdb_buildargv (arg);
      old_chain = make_cleanup_freeargv (argv);
      old_chain = make_cleanup_freeargv (argv);
      argc = 0;
      argc = 0;
      for (i = 0; argv[i]; i++)
      for (i = 0; argv[i]; i++)
        {
        {
          unsigned int j;
          unsigned int j;
 
 
          for (j = 0; j < strlen (argv[i]); j++)
          for (j = 0; j < strlen (argv[i]); j++)
            argv[i][j] = tolower (argv[i][j]);
            argv[i][j] = tolower (argv[i][j]);
 
 
          if (fulltrace_arg < 0 && subset_compare (argv[i], "full"))
          if (fulltrace_arg < 0 && subset_compare (argv[i], "full"))
            fulltrace_arg = argc;
            fulltrace_arg = argc;
          else
          else
            {
            {
              arglen += strlen (argv[i]);
              arglen += strlen (argv[i]);
              argc++;
              argc++;
            }
            }
        }
        }
      arglen += argc;
      arglen += argc;
      if (fulltrace_arg >= 0)
      if (fulltrace_arg >= 0)
        {
        {
          if (arglen > 0)
          if (arglen > 0)
            {
            {
              arg = xmalloc (arglen + 1);
              arg = xmalloc (arglen + 1);
              memset (arg, 0, arglen + 1);
              memset (arg, 0, arglen + 1);
              for (i = 0; i < (argc + 1); i++)
              for (i = 0; i < (argc + 1); i++)
                {
                {
                  if (i != fulltrace_arg)
                  if (i != fulltrace_arg)
                    {
                    {
                      strcat (arg, argv[i]);
                      strcat (arg, argv[i]);
                      strcat (arg, " ");
                      strcat (arg, " ");
                    }
                    }
                }
                }
            }
            }
          else
          else
            arg = NULL;
            arg = NULL;
        }
        }
    }
    }
 
 
  btargs.count_exp = arg;
  btargs.count_exp = arg;
  btargs.show_locals = (fulltrace_arg >= 0);
  btargs.show_locals = (fulltrace_arg >= 0);
  btargs.from_tty = from_tty;
  btargs.from_tty = from_tty;
  catch_errors (backtrace_command_stub, &btargs, "", RETURN_MASK_ERROR);
  catch_errors (backtrace_command_stub, &btargs, "", RETURN_MASK_ERROR);
 
 
  if (fulltrace_arg >= 0 && arglen > 0)
  if (fulltrace_arg >= 0 && arglen > 0)
    xfree (arg);
    xfree (arg);
 
 
  if (old_chain)
  if (old_chain)
    do_cleanups (old_chain);
    do_cleanups (old_chain);
}
}
 
 
static void
static void
backtrace_full_command (char *arg, int from_tty)
backtrace_full_command (char *arg, int from_tty)
{
{
  struct backtrace_command_args btargs;
  struct backtrace_command_args btargs;
  btargs.count_exp = arg;
  btargs.count_exp = arg;
  btargs.show_locals = 1;
  btargs.show_locals = 1;
  btargs.from_tty = from_tty;
  btargs.from_tty = from_tty;
  catch_errors (backtrace_command_stub, &btargs, "", RETURN_MASK_ERROR);
  catch_errors (backtrace_command_stub, &btargs, "", RETURN_MASK_ERROR);
}
}


 
 
/* Print the local variables of a block B active in FRAME on STREAM.
/* Print the local variables of a block B active in FRAME on STREAM.
   Return 1 if any variables were printed; 0 otherwise.  */
   Return 1 if any variables were printed; 0 otherwise.  */
 
 
static int
static int
print_block_frame_locals (struct block *b, struct frame_info *frame,
print_block_frame_locals (struct block *b, struct frame_info *frame,
                          int num_tabs, struct ui_file *stream)
                          int num_tabs, struct ui_file *stream)
{
{
  struct dict_iterator iter;
  struct dict_iterator iter;
  struct symbol *sym;
  struct symbol *sym;
  int values_printed = 0;
  int values_printed = 0;
  int j;
  int j;
 
 
  ALL_BLOCK_SYMBOLS (b, iter, sym)
  ALL_BLOCK_SYMBOLS (b, iter, sym)
    {
    {
      switch (SYMBOL_CLASS (sym))
      switch (SYMBOL_CLASS (sym))
        {
        {
        case LOC_LOCAL:
        case LOC_LOCAL:
        case LOC_REGISTER:
        case LOC_REGISTER:
        case LOC_STATIC:
        case LOC_STATIC:
        case LOC_COMPUTED:
        case LOC_COMPUTED:
          if (SYMBOL_IS_ARGUMENT (sym))
          if (SYMBOL_IS_ARGUMENT (sym))
            break;
            break;
          values_printed = 1;
          values_printed = 1;
          print_variable_and_value (NULL, sym, frame, stream, 4 * num_tabs);
          print_variable_and_value (NULL, sym, frame, stream, 4 * num_tabs);
          break;
          break;
 
 
        default:
        default:
          /* Ignore symbols which are not locals.  */
          /* Ignore symbols which are not locals.  */
          break;
          break;
        }
        }
    }
    }
 
 
  return values_printed;
  return values_printed;
}
}
 
 
 
 
/* Same, but print labels.  */
/* Same, but print labels.  */
 
 
#if 0
#if 0
/* Commented out, as the code using this function has also been
/* Commented out, as the code using this function has also been
   commented out.  FIXME:brobecker/2009-01-13: Find out why the code
   commented out.  FIXME:brobecker/2009-01-13: Find out why the code
   was commented out in the first place.  The discussion introducing
   was commented out in the first place.  The discussion introducing
   this change (2007-12-04: Support lexical blocks and function bodies
   this change (2007-12-04: Support lexical blocks and function bodies
   that occupy non-contiguous address ranges) did not explain why
   that occupy non-contiguous address ranges) did not explain why
   this change was made.  */
   this change was made.  */
static int
static int
print_block_frame_labels (struct gdbarch *gdbarch, struct block *b,
print_block_frame_labels (struct gdbarch *gdbarch, struct block *b,
                          int *have_default, struct ui_file *stream)
                          int *have_default, struct ui_file *stream)
{
{
  struct dict_iterator iter;
  struct dict_iterator iter;
  struct symbol *sym;
  struct symbol *sym;
  int values_printed = 0;
  int values_printed = 0;
 
 
  ALL_BLOCK_SYMBOLS (b, iter, sym)
  ALL_BLOCK_SYMBOLS (b, iter, sym)
    {
    {
      if (strcmp (SYMBOL_LINKAGE_NAME (sym), "default") == 0)
      if (strcmp (SYMBOL_LINKAGE_NAME (sym), "default") == 0)
        {
        {
          if (*have_default)
          if (*have_default)
            continue;
            continue;
          *have_default = 1;
          *have_default = 1;
        }
        }
      if (SYMBOL_CLASS (sym) == LOC_LABEL)
      if (SYMBOL_CLASS (sym) == LOC_LABEL)
        {
        {
          struct symtab_and_line sal;
          struct symtab_and_line sal;
          struct value_print_options opts;
          struct value_print_options opts;
          sal = find_pc_line (SYMBOL_VALUE_ADDRESS (sym), 0);
          sal = find_pc_line (SYMBOL_VALUE_ADDRESS (sym), 0);
          values_printed = 1;
          values_printed = 1;
          fputs_filtered (SYMBOL_PRINT_NAME (sym), stream);
          fputs_filtered (SYMBOL_PRINT_NAME (sym), stream);
          get_user_print_options (&opts);
          get_user_print_options (&opts);
          if (opts.addressprint)
          if (opts.addressprint)
            {
            {
              fprintf_filtered (stream, " ");
              fprintf_filtered (stream, " ");
              fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (sym)),
              fputs_filtered (paddress (gdbarch, SYMBOL_VALUE_ADDRESS (sym)),
                              stream);
                              stream);
            }
            }
          fprintf_filtered (stream, " in file %s, line %d\n",
          fprintf_filtered (stream, " in file %s, line %d\n",
                            sal.symtab->filename, sal.line);
                            sal.symtab->filename, sal.line);
        }
        }
    }
    }
 
 
  return values_printed;
  return values_printed;
}
}
#endif
#endif
 
 
/* Print on STREAM all the local variables in frame FRAME, including
/* Print on STREAM all the local variables in frame FRAME, including
   all the blocks active in that frame at its current PC.
   all the blocks active in that frame at its current PC.
 
 
   Returns 1 if the job was done, or 0 if nothing was printed because
   Returns 1 if the job was done, or 0 if nothing was printed because
   we have no info on the function running in FRAME.  */
   we have no info on the function running in FRAME.  */
 
 
static void
static void
print_frame_local_vars (struct frame_info *frame, int num_tabs,
print_frame_local_vars (struct frame_info *frame, int num_tabs,
                        struct ui_file *stream)
                        struct ui_file *stream)
{
{
  struct block *block = get_frame_block (frame, 0);
  struct block *block = get_frame_block (frame, 0);
  int values_printed = 0;
  int values_printed = 0;
 
 
  if (block == 0)
  if (block == 0)
    {
    {
      fprintf_filtered (stream, "No symbol table info available.\n");
      fprintf_filtered (stream, "No symbol table info available.\n");
      return;
      return;
    }
    }
 
 
  while (block)
  while (block)
    {
    {
      if (print_block_frame_locals (block, frame, num_tabs, stream))
      if (print_block_frame_locals (block, frame, num_tabs, stream))
        values_printed = 1;
        values_printed = 1;
      /* After handling the function's top-level block, stop.  Don't
      /* After handling the function's top-level block, stop.  Don't
         continue to its superblock, the block of per-file symbols.
         continue to its superblock, the block of per-file symbols.
         Also do not continue to the containing function of an inlined
         Also do not continue to the containing function of an inlined
         function.  */
         function.  */
      if (BLOCK_FUNCTION (block))
      if (BLOCK_FUNCTION (block))
        break;
        break;
      block = BLOCK_SUPERBLOCK (block);
      block = BLOCK_SUPERBLOCK (block);
    }
    }
 
 
  if (!values_printed)
  if (!values_printed)
    fprintf_filtered (stream, _("No locals.\n"));
    fprintf_filtered (stream, _("No locals.\n"));
}
}
 
 
/* Same, but print labels.  */
/* Same, but print labels.  */
 
 
static void
static void
print_frame_label_vars (struct frame_info *frame, int this_level_only,
print_frame_label_vars (struct frame_info *frame, int this_level_only,
                        struct ui_file *stream)
                        struct ui_file *stream)
{
{
#if 1
#if 1
  fprintf_filtered (stream, "print_frame_label_vars disabled.\n");
  fprintf_filtered (stream, "print_frame_label_vars disabled.\n");
#else
#else
  struct blockvector *bl;
  struct blockvector *bl;
  struct block *block = get_frame_block (frame, 0);
  struct block *block = get_frame_block (frame, 0);
  struct gdbarch *gdbarch = get_frame_arch (frame);
  struct gdbarch *gdbarch = get_frame_arch (frame);
  int values_printed = 0;
  int values_printed = 0;
  int index, have_default = 0;
  int index, have_default = 0;
  char *blocks_printed;
  char *blocks_printed;
  CORE_ADDR pc = get_frame_pc (frame);
  CORE_ADDR pc = get_frame_pc (frame);
 
 
  if (block == 0)
  if (block == 0)
    {
    {
      fprintf_filtered (stream, "No symbol table info available.\n");
      fprintf_filtered (stream, "No symbol table info available.\n");
      return;
      return;
    }
    }
 
 
  bl = blockvector_for_pc (BLOCK_END (block) - 4, &index);
  bl = blockvector_for_pc (BLOCK_END (block) - 4, &index);
  blocks_printed = alloca (BLOCKVECTOR_NBLOCKS (bl) * sizeof (char));
  blocks_printed = alloca (BLOCKVECTOR_NBLOCKS (bl) * sizeof (char));
  memset (blocks_printed, 0, BLOCKVECTOR_NBLOCKS (bl) * sizeof (char));
  memset (blocks_printed, 0, BLOCKVECTOR_NBLOCKS (bl) * sizeof (char));
 
 
  while (block != 0)
  while (block != 0)
    {
    {
      CORE_ADDR end = BLOCK_END (block) - 4;
      CORE_ADDR end = BLOCK_END (block) - 4;
      int last_index;
      int last_index;
 
 
      if (bl != blockvector_for_pc (end, &index))
      if (bl != blockvector_for_pc (end, &index))
        error (_("blockvector blotch"));
        error (_("blockvector blotch"));
      if (BLOCKVECTOR_BLOCK (bl, index) != block)
      if (BLOCKVECTOR_BLOCK (bl, index) != block)
        error (_("blockvector botch"));
        error (_("blockvector botch"));
      last_index = BLOCKVECTOR_NBLOCKS (bl);
      last_index = BLOCKVECTOR_NBLOCKS (bl);
      index += 1;
      index += 1;
 
 
      /* Don't print out blocks that have gone by.  */
      /* Don't print out blocks that have gone by.  */
      while (index < last_index
      while (index < last_index
             && BLOCK_END (BLOCKVECTOR_BLOCK (bl, index)) < pc)
             && BLOCK_END (BLOCKVECTOR_BLOCK (bl, index)) < pc)
        index++;
        index++;
 
 
      while (index < last_index
      while (index < last_index
             && BLOCK_END (BLOCKVECTOR_BLOCK (bl, index)) < end)
             && BLOCK_END (BLOCKVECTOR_BLOCK (bl, index)) < end)
        {
        {
          if (blocks_printed[index] == 0)
          if (blocks_printed[index] == 0)
            {
            {
              if (print_block_frame_labels (gdbarch,
              if (print_block_frame_labels (gdbarch,
                                            BLOCKVECTOR_BLOCK (bl, index),
                                            BLOCKVECTOR_BLOCK (bl, index),
                                            &have_default, stream))
                                            &have_default, stream))
                values_printed = 1;
                values_printed = 1;
              blocks_printed[index] = 1;
              blocks_printed[index] = 1;
            }
            }
          index++;
          index++;
        }
        }
      if (have_default)
      if (have_default)
        return;
        return;
      if (values_printed && this_level_only)
      if (values_printed && this_level_only)
        return;
        return;
 
 
      /* After handling the function's top-level block, stop.  Don't
      /* After handling the function's top-level block, stop.  Don't
         continue to its superblock, the block of per-file symbols.
         continue to its superblock, the block of per-file symbols.
         Also do not continue to the containing function of an inlined
         Also do not continue to the containing function of an inlined
         function.  */
         function.  */
      if (BLOCK_FUNCTION (block))
      if (BLOCK_FUNCTION (block))
        break;
        break;
      block = BLOCK_SUPERBLOCK (block);
      block = BLOCK_SUPERBLOCK (block);
    }
    }
 
 
  if (!values_printed && !this_level_only)
  if (!values_printed && !this_level_only)
    fprintf_filtered (stream, _("No catches.\n"));
    fprintf_filtered (stream, _("No catches.\n"));
#endif
#endif
}
}
 
 
void
void
locals_info (char *args, int from_tty)
locals_info (char *args, int from_tty)
{
{
  print_frame_local_vars (get_selected_frame (_("No frame selected.")),
  print_frame_local_vars (get_selected_frame (_("No frame selected.")),
                          0, gdb_stdout);
                          0, gdb_stdout);
}
}
 
 
static void
static void
catch_info (char *ignore, int from_tty)
catch_info (char *ignore, int from_tty)
{
{
  struct symtab_and_line *sal;
  struct symtab_and_line *sal;
 
 
  /* Assume g++ compiled code; old GDB 4.16 behaviour.  */
  /* Assume g++ compiled code; old GDB 4.16 behaviour.  */
  print_frame_label_vars (get_selected_frame (_("No frame selected.")),
  print_frame_label_vars (get_selected_frame (_("No frame selected.")),
                          0, gdb_stdout);
                          0, gdb_stdout);
}
}
 
 
static void
static void
print_frame_arg_vars (struct frame_info *frame, struct ui_file *stream)
print_frame_arg_vars (struct frame_info *frame, struct ui_file *stream)
{
{
  struct symbol *func = get_frame_function (frame);
  struct symbol *func = get_frame_function (frame);
  struct block *b;
  struct block *b;
  struct dict_iterator iter;
  struct dict_iterator iter;
  struct symbol *sym, *sym2;
  struct symbol *sym, *sym2;
  int values_printed = 0;
  int values_printed = 0;
 
 
  if (func == 0)
  if (func == 0)
    {
    {
      fprintf_filtered (stream, _("No symbol table info available.\n"));
      fprintf_filtered (stream, _("No symbol table info available.\n"));
      return;
      return;
    }
    }
 
 
  b = SYMBOL_BLOCK_VALUE (func);
  b = SYMBOL_BLOCK_VALUE (func);
  ALL_BLOCK_SYMBOLS (b, iter, sym)
  ALL_BLOCK_SYMBOLS (b, iter, sym)
    {
    {
      /* Don't worry about things which aren't arguments.  */
      /* Don't worry about things which aren't arguments.  */
      if (SYMBOL_IS_ARGUMENT (sym))
      if (SYMBOL_IS_ARGUMENT (sym))
        {
        {
          values_printed = 1;
          values_printed = 1;
 
 
          /* We have to look up the symbol because arguments can have
          /* We have to look up the symbol because arguments can have
             two entries (one a parameter, one a local) and the one we
             two entries (one a parameter, one a local) and the one we
             want is the local, which lookup_symbol will find for us.
             want is the local, which lookup_symbol will find for us.
             This includes gcc1 (not gcc2) on the sparc when passing a
             This includes gcc1 (not gcc2) on the sparc when passing a
             small structure and gcc2 when the argument type is float
             small structure and gcc2 when the argument type is float
             and it is passed as a double and converted to float by
             and it is passed as a double and converted to float by
             the prologue (in the latter case the type of the LOC_ARG
             the prologue (in the latter case the type of the LOC_ARG
             symbol is double and the type of the LOC_LOCAL symbol is
             symbol is double and the type of the LOC_LOCAL symbol is
             float).  There are also LOC_ARG/LOC_REGISTER pairs which
             float).  There are also LOC_ARG/LOC_REGISTER pairs which
             are not combined in symbol-reading.  */
             are not combined in symbol-reading.  */
 
 
          sym2 = lookup_symbol (SYMBOL_LINKAGE_NAME (sym),
          sym2 = lookup_symbol (SYMBOL_LINKAGE_NAME (sym),
                                b, VAR_DOMAIN, NULL);
                                b, VAR_DOMAIN, NULL);
          print_variable_and_value (SYMBOL_PRINT_NAME (sym), sym2,
          print_variable_and_value (SYMBOL_PRINT_NAME (sym), sym2,
                                    frame, stream, 0);
                                    frame, stream, 0);
        }
        }
    }
    }
 
 
  if (!values_printed)
  if (!values_printed)
    fprintf_filtered (stream, _("No arguments.\n"));
    fprintf_filtered (stream, _("No arguments.\n"));
}
}
 
 
void
void
args_info (char *ignore, int from_tty)
args_info (char *ignore, int from_tty)
{
{
  print_frame_arg_vars (get_selected_frame (_("No frame selected.")),
  print_frame_arg_vars (get_selected_frame (_("No frame selected.")),
                        gdb_stdout);
                        gdb_stdout);
}
}
 
 
 
 
static void
static void
args_plus_locals_info (char *ignore, int from_tty)
args_plus_locals_info (char *ignore, int from_tty)
{
{
  args_info (ignore, from_tty);
  args_info (ignore, from_tty);
  locals_info (ignore, from_tty);
  locals_info (ignore, from_tty);
}
}


 
 
/* Select frame FRAME.  Also print the stack frame and show the source
/* Select frame FRAME.  Also print the stack frame and show the source
   if this is the tui version.  */
   if this is the tui version.  */
static void
static void
select_and_print_frame (struct frame_info *frame)
select_and_print_frame (struct frame_info *frame)
{
{
  select_frame (frame);
  select_frame (frame);
  if (frame)
  if (frame)
    print_stack_frame (frame, 1, SRC_AND_LOC);
    print_stack_frame (frame, 1, SRC_AND_LOC);
}
}


/* Return the symbol-block in which the selected frame is executing.
/* Return the symbol-block in which the selected frame is executing.
   Can return zero under various legitimate circumstances.
   Can return zero under various legitimate circumstances.
 
 
   If ADDR_IN_BLOCK is non-zero, set *ADDR_IN_BLOCK to the relevant
   If ADDR_IN_BLOCK is non-zero, set *ADDR_IN_BLOCK to the relevant
   code address within the block returned.  We use this to decide
   code address within the block returned.  We use this to decide
   which macros are in scope.  */
   which macros are in scope.  */
 
 
struct block *
struct block *
get_selected_block (CORE_ADDR *addr_in_block)
get_selected_block (CORE_ADDR *addr_in_block)
{
{
  if (!has_stack_frames ())
  if (!has_stack_frames ())
    return 0;
    return 0;
 
 
  return get_frame_block (get_selected_frame (NULL), addr_in_block);
  return get_frame_block (get_selected_frame (NULL), addr_in_block);
}
}
 
 
/* Find a frame a certain number of levels away from FRAME.
/* Find a frame a certain number of levels away from FRAME.
   LEVEL_OFFSET_PTR points to an int containing the number of levels.
   LEVEL_OFFSET_PTR points to an int containing the number of levels.
   Positive means go to earlier frames (up); negative, the reverse.
   Positive means go to earlier frames (up); negative, the reverse.
   The int that contains the number of levels is counted toward
   The int that contains the number of levels is counted toward
   zero as the frames for those levels are found.
   zero as the frames for those levels are found.
   If the top or bottom frame is reached, that frame is returned,
   If the top or bottom frame is reached, that frame is returned,
   but the final value of *LEVEL_OFFSET_PTR is nonzero and indicates
   but the final value of *LEVEL_OFFSET_PTR is nonzero and indicates
   how much farther the original request asked to go.  */
   how much farther the original request asked to go.  */
 
 
struct frame_info *
struct frame_info *
find_relative_frame (struct frame_info *frame, int *level_offset_ptr)
find_relative_frame (struct frame_info *frame, int *level_offset_ptr)
{
{
  /* Going up is simple: just call get_prev_frame enough times or
  /* Going up is simple: just call get_prev_frame enough times or
     until the initial frame is reached.  */
     until the initial frame is reached.  */
  while (*level_offset_ptr > 0)
  while (*level_offset_ptr > 0)
    {
    {
      struct frame_info *prev = get_prev_frame (frame);
      struct frame_info *prev = get_prev_frame (frame);
      if (!prev)
      if (!prev)
        break;
        break;
      (*level_offset_ptr)--;
      (*level_offset_ptr)--;
      frame = prev;
      frame = prev;
    }
    }
 
 
  /* Going down is just as simple.  */
  /* Going down is just as simple.  */
  while (*level_offset_ptr < 0)
  while (*level_offset_ptr < 0)
    {
    {
      struct frame_info *next = get_next_frame (frame);
      struct frame_info *next = get_next_frame (frame);
      if (!next)
      if (!next)
        break;
        break;
      (*level_offset_ptr)++;
      (*level_offset_ptr)++;
      frame = next;
      frame = next;
    }
    }
 
 
  return frame;
  return frame;
}
}
 
 
/* The "select_frame" command.  With no argument this is a NOP.
/* The "select_frame" command.  With no argument this is a NOP.
   Select the frame at level LEVEL_EXP if it is a valid level.
   Select the frame at level LEVEL_EXP if it is a valid level.
   Otherwise, treat LEVEL_EXP as an address expression and select it.
   Otherwise, treat LEVEL_EXP as an address expression and select it.
 
 
   See parse_frame_specification for more info on proper frame
   See parse_frame_specification for more info on proper frame
   expressions.  */
   expressions.  */
 
 
void
void
select_frame_command (char *level_exp, int from_tty)
select_frame_command (char *level_exp, int from_tty)
{
{
  select_frame (parse_frame_specification_1 (level_exp, "No stack.", NULL));
  select_frame (parse_frame_specification_1 (level_exp, "No stack.", NULL));
}
}
 
 
/* The "frame" command.  With no argument, print the selected frame
/* The "frame" command.  With no argument, print the selected frame
   briefly.  With an argument, behave like select_frame and then print
   briefly.  With an argument, behave like select_frame and then print
   the selected frame.  */
   the selected frame.  */
 
 
static void
static void
frame_command (char *level_exp, int from_tty)
frame_command (char *level_exp, int from_tty)
{
{
  select_frame_command (level_exp, from_tty);
  select_frame_command (level_exp, from_tty);
  print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC);
  print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC);
}
}
 
 
/* The XDB Compatibility command to print the current frame.  */
/* The XDB Compatibility command to print the current frame.  */
 
 
static void
static void
current_frame_command (char *level_exp, int from_tty)
current_frame_command (char *level_exp, int from_tty)
{
{
  print_stack_frame (get_selected_frame (_("No stack.")), 1, SRC_AND_LOC);
  print_stack_frame (get_selected_frame (_("No stack.")), 1, SRC_AND_LOC);
}
}
 
 
/* Select the frame up one or COUNT_EXP stack levels from the
/* Select the frame up one or COUNT_EXP stack levels from the
   previously selected frame, and print it briefly.  */
   previously selected frame, and print it briefly.  */
 
 
static void
static void
up_silently_base (char *count_exp)
up_silently_base (char *count_exp)
{
{
  struct frame_info *frame;
  struct frame_info *frame;
  int count = 1;
  int count = 1;
 
 
  if (count_exp)
  if (count_exp)
    count = parse_and_eval_long (count_exp);
    count = parse_and_eval_long (count_exp);
 
 
  frame = find_relative_frame (get_selected_frame ("No stack."), &count);
  frame = find_relative_frame (get_selected_frame ("No stack."), &count);
  if (count != 0 && count_exp == NULL)
  if (count != 0 && count_exp == NULL)
    error (_("Initial frame selected; you cannot go up."));
    error (_("Initial frame selected; you cannot go up."));
  select_frame (frame);
  select_frame (frame);
}
}
 
 
static void
static void
up_silently_command (char *count_exp, int from_tty)
up_silently_command (char *count_exp, int from_tty)
{
{
  up_silently_base (count_exp);
  up_silently_base (count_exp);
}
}
 
 
static void
static void
up_command (char *count_exp, int from_tty)
up_command (char *count_exp, int from_tty)
{
{
  up_silently_base (count_exp);
  up_silently_base (count_exp);
  print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC);
  print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC);
}
}
 
 
/* Select the frame down one or COUNT_EXP stack levels from the previously
/* Select the frame down one or COUNT_EXP stack levels from the previously
   selected frame, and print it briefly.  */
   selected frame, and print it briefly.  */
 
 
static void
static void
down_silently_base (char *count_exp)
down_silently_base (char *count_exp)
{
{
  struct frame_info *frame;
  struct frame_info *frame;
  int count = -1;
  int count = -1;
  if (count_exp)
  if (count_exp)
    count = -parse_and_eval_long (count_exp);
    count = -parse_and_eval_long (count_exp);
 
 
  frame = find_relative_frame (get_selected_frame ("No stack."), &count);
  frame = find_relative_frame (get_selected_frame ("No stack."), &count);
  if (count != 0 && count_exp == NULL)
  if (count != 0 && count_exp == NULL)
    {
    {
      /* We only do this if COUNT_EXP is not specified.  That way
      /* We only do this if COUNT_EXP is not specified.  That way
         "down" means to really go down (and let me know if that is
         "down" means to really go down (and let me know if that is
         impossible), but "down 9999" can be used to mean go all the
         impossible), but "down 9999" can be used to mean go all the
         way down without getting an error.  */
         way down without getting an error.  */
 
 
      error (_("Bottom (innermost) frame selected; you cannot go down."));
      error (_("Bottom (innermost) frame selected; you cannot go down."));
    }
    }
 
 
  select_frame (frame);
  select_frame (frame);
}
}
 
 
static void
static void
down_silently_command (char *count_exp, int from_tty)
down_silently_command (char *count_exp, int from_tty)
{
{
  down_silently_base (count_exp);
  down_silently_base (count_exp);
}
}
 
 
static void
static void
down_command (char *count_exp, int from_tty)
down_command (char *count_exp, int from_tty)
{
{
  down_silently_base (count_exp);
  down_silently_base (count_exp);
  print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC);
  print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC);
}
}


 
 
void
void
return_command (char *retval_exp, int from_tty)
return_command (char *retval_exp, int from_tty)
{
{
  struct frame_info *thisframe;
  struct frame_info *thisframe;
  struct gdbarch *gdbarch;
  struct gdbarch *gdbarch;
  struct symbol *thisfun;
  struct symbol *thisfun;
  struct value *return_value = NULL;
  struct value *return_value = NULL;
  const char *query_prefix = "";
  const char *query_prefix = "";
 
 
  thisframe = get_selected_frame ("No selected frame.");
  thisframe = get_selected_frame ("No selected frame.");
  thisfun = get_frame_function (thisframe);
  thisfun = get_frame_function (thisframe);
  gdbarch = get_frame_arch (thisframe);
  gdbarch = get_frame_arch (thisframe);
 
 
  if (get_frame_type (get_current_frame ()) == INLINE_FRAME)
  if (get_frame_type (get_current_frame ()) == INLINE_FRAME)
    error (_("Can not force return from an inlined function."));
    error (_("Can not force return from an inlined function."));
 
 
  /* Compute the return value.  If the computation triggers an error,
  /* Compute the return value.  If the computation triggers an error,
     let it bail.  If the return type can't be handled, set
     let it bail.  If the return type can't be handled, set
     RETURN_VALUE to NULL, and QUERY_PREFIX to an informational
     RETURN_VALUE to NULL, and QUERY_PREFIX to an informational
     message.  */
     message.  */
  if (retval_exp)
  if (retval_exp)
    {
    {
      struct expression *retval_expr = parse_expression (retval_exp);
      struct expression *retval_expr = parse_expression (retval_exp);
      struct cleanup *old_chain = make_cleanup (xfree, retval_expr);
      struct cleanup *old_chain = make_cleanup (xfree, retval_expr);
      struct type *return_type = NULL;
      struct type *return_type = NULL;
 
 
      /* Compute the return value.  Should the computation fail, this
      /* Compute the return value.  Should the computation fail, this
         call throws an error.  */
         call throws an error.  */
      return_value = evaluate_expression (retval_expr);
      return_value = evaluate_expression (retval_expr);
 
 
      /* Cast return value to the return type of the function.  Should
      /* Cast return value to the return type of the function.  Should
         the cast fail, this call throws an error.  */
         the cast fail, this call throws an error.  */
      if (thisfun != NULL)
      if (thisfun != NULL)
        return_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (thisfun));
        return_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (thisfun));
      if (return_type == NULL)
      if (return_type == NULL)
        {
        {
          if (retval_expr->elts[0].opcode != UNOP_CAST)
          if (retval_expr->elts[0].opcode != UNOP_CAST)
            error (_("Return value type not available for selected "
            error (_("Return value type not available for selected "
                     "stack frame.\n"
                     "stack frame.\n"
                     "Please use an explicit cast of the value to return."));
                     "Please use an explicit cast of the value to return."));
          return_type = value_type (return_value);
          return_type = value_type (return_value);
        }
        }
      do_cleanups (old_chain);
      do_cleanups (old_chain);
      CHECK_TYPEDEF (return_type);
      CHECK_TYPEDEF (return_type);
      return_value = value_cast (return_type, return_value);
      return_value = value_cast (return_type, return_value);
 
 
      /* Make sure the value is fully evaluated.  It may live in the
      /* Make sure the value is fully evaluated.  It may live in the
         stack frame we're about to pop.  */
         stack frame we're about to pop.  */
      if (value_lazy (return_value))
      if (value_lazy (return_value))
        value_fetch_lazy (return_value);
        value_fetch_lazy (return_value);
 
 
      if (TYPE_CODE (return_type) == TYPE_CODE_VOID)
      if (TYPE_CODE (return_type) == TYPE_CODE_VOID)
        /* If the return-type is "void", don't try to find the
        /* If the return-type is "void", don't try to find the
           return-value's location.  However, do still evaluate the
           return-value's location.  However, do still evaluate the
           return expression so that, even when the expression result
           return expression so that, even when the expression result
           is discarded, side effects such as "return i++" still
           is discarded, side effects such as "return i++" still
           occur.  */
           occur.  */
        return_value = NULL;
        return_value = NULL;
      else if (thisfun != NULL
      else if (thisfun != NULL
               && using_struct_return (gdbarch,
               && using_struct_return (gdbarch,
                                       SYMBOL_TYPE (thisfun), return_type))
                                       SYMBOL_TYPE (thisfun), return_type))
        {
        {
          query_prefix = "\
          query_prefix = "\
The location at which to store the function's return value is unknown.\n\
The location at which to store the function's return value is unknown.\n\
If you continue, the return value that you specified will be ignored.\n";
If you continue, the return value that you specified will be ignored.\n";
          return_value = NULL;
          return_value = NULL;
        }
        }
    }
    }
 
 
  /* Does an interactive user really want to do this?  Include
  /* Does an interactive user really want to do this?  Include
     information, such as how well GDB can handle the return value, in
     information, such as how well GDB can handle the return value, in
     the query message.  */
     the query message.  */
  if (from_tty)
  if (from_tty)
    {
    {
      int confirmed;
      int confirmed;
      if (thisfun == NULL)
      if (thisfun == NULL)
        confirmed = query (_("%sMake selected stack frame return now? "),
        confirmed = query (_("%sMake selected stack frame return now? "),
                           query_prefix);
                           query_prefix);
      else
      else
        confirmed = query (_("%sMake %s return now? "), query_prefix,
        confirmed = query (_("%sMake %s return now? "), query_prefix,
                           SYMBOL_PRINT_NAME (thisfun));
                           SYMBOL_PRINT_NAME (thisfun));
      if (!confirmed)
      if (!confirmed)
        error (_("Not confirmed"));
        error (_("Not confirmed"));
    }
    }
 
 
  /* Discard the selected frame and all frames inner-to it.  */
  /* Discard the selected frame and all frames inner-to it.  */
  frame_pop (get_selected_frame (NULL));
  frame_pop (get_selected_frame (NULL));
 
 
  /* Store RETURN_VALUE in the just-returned register set.  */
  /* Store RETURN_VALUE in the just-returned register set.  */
  if (return_value != NULL)
  if (return_value != NULL)
    {
    {
      struct type *return_type = value_type (return_value);
      struct type *return_type = value_type (return_value);
      struct gdbarch *gdbarch = get_regcache_arch (get_current_regcache ());
      struct gdbarch *gdbarch = get_regcache_arch (get_current_regcache ());
      struct type *func_type = thisfun == NULL ? NULL : SYMBOL_TYPE (thisfun);
      struct type *func_type = thisfun == NULL ? NULL : SYMBOL_TYPE (thisfun);
 
 
      gdb_assert (gdbarch_return_value (gdbarch, func_type, return_type, NULL,
      gdb_assert (gdbarch_return_value (gdbarch, func_type, return_type, NULL,
                                        NULL, NULL)
                                        NULL, NULL)
                  == RETURN_VALUE_REGISTER_CONVENTION);
                  == RETURN_VALUE_REGISTER_CONVENTION);
      gdbarch_return_value (gdbarch, func_type, return_type,
      gdbarch_return_value (gdbarch, func_type, return_type,
                            get_current_regcache (), NULL /*read*/,
                            get_current_regcache (), NULL /*read*/,
                            value_contents (return_value) /*write*/);
                            value_contents (return_value) /*write*/);
    }
    }
 
 
  /* If we are at the end of a call dummy now, pop the dummy frame
  /* If we are at the end of a call dummy now, pop the dummy frame
     too.  */
     too.  */
  if (get_frame_type (get_current_frame ()) == DUMMY_FRAME)
  if (get_frame_type (get_current_frame ()) == DUMMY_FRAME)
    frame_pop (get_current_frame ());
    frame_pop (get_current_frame ());
 
 
  /* If interactive, print the frame that is now current.  */
  /* If interactive, print the frame that is now current.  */
  if (from_tty)
  if (from_tty)
    frame_command ("0", 1);
    frame_command ("0", 1);
  else
  else
    select_frame_command ("0", 0);
    select_frame_command ("0", 0);
}
}
 
 
/* Sets the scope to input function name, provided that the function
/* Sets the scope to input function name, provided that the function
   is within the current stack frame */
   is within the current stack frame */
 
 
struct function_bounds
struct function_bounds
{
{
  CORE_ADDR low, high;
  CORE_ADDR low, high;
};
};
 
 
static void
static void
func_command (char *arg, int from_tty)
func_command (char *arg, int from_tty)
{
{
  struct frame_info *frame;
  struct frame_info *frame;
  int found = 0;
  int found = 0;
  struct symtabs_and_lines sals;
  struct symtabs_and_lines sals;
  int i;
  int i;
  int level = 1;
  int level = 1;
  struct function_bounds *func_bounds = NULL;
  struct function_bounds *func_bounds = NULL;
 
 
  if (arg != NULL)
  if (arg != NULL)
    return;
    return;
 
 
  frame = parse_frame_specification ("0");
  frame = parse_frame_specification ("0");
  sals = decode_line_spec (arg, 1);
  sals = decode_line_spec (arg, 1);
  func_bounds = (struct function_bounds *) xmalloc (
  func_bounds = (struct function_bounds *) xmalloc (
                              sizeof (struct function_bounds) * sals.nelts);
                              sizeof (struct function_bounds) * sals.nelts);
  for (i = 0; (i < sals.nelts && !found); i++)
  for (i = 0; (i < sals.nelts && !found); i++)
    {
    {
      if (sals.sals[i].pc == 0
      if (sals.sals[i].pc == 0
          || find_pc_partial_function (sals.sals[i].pc, NULL,
          || find_pc_partial_function (sals.sals[i].pc, NULL,
                                       &func_bounds[i].low,
                                       &func_bounds[i].low,
                                       &func_bounds[i].high) == 0)
                                       &func_bounds[i].high) == 0)
        {
        {
          func_bounds[i].low = func_bounds[i].high = 0;
          func_bounds[i].low = func_bounds[i].high = 0;
        }
        }
    }
    }
 
 
  do
  do
    {
    {
      for (i = 0; (i < sals.nelts && !found); i++)
      for (i = 0; (i < sals.nelts && !found); i++)
        found = (get_frame_pc (frame) >= func_bounds[i].low
        found = (get_frame_pc (frame) >= func_bounds[i].low
                 && get_frame_pc (frame) < func_bounds[i].high);
                 && get_frame_pc (frame) < func_bounds[i].high);
      if (!found)
      if (!found)
        {
        {
          level = 1;
          level = 1;
          frame = find_relative_frame (frame, &level);
          frame = find_relative_frame (frame, &level);
        }
        }
    }
    }
  while (!found && level == 0);
  while (!found && level == 0);
 
 
  if (func_bounds)
  if (func_bounds)
    xfree (func_bounds);
    xfree (func_bounds);
 
 
  if (!found)
  if (!found)
    printf_filtered (_("'%s' not within current stack frame.\n"), arg);
    printf_filtered (_("'%s' not within current stack frame.\n"), arg);
  else if (frame != get_selected_frame (NULL))
  else if (frame != get_selected_frame (NULL))
    select_and_print_frame (frame);
    select_and_print_frame (frame);
}
}
 
 
/* Gets the language of the current frame.  */
/* Gets the language of the current frame.  */
 
 
enum language
enum language
get_frame_language (void)
get_frame_language (void)
{
{
  struct frame_info *frame = deprecated_safe_get_selected_frame ();
  struct frame_info *frame = deprecated_safe_get_selected_frame ();
 
 
  if (frame)
  if (frame)
    {
    {
      /* We determine the current frame language by looking up its
      /* We determine the current frame language by looking up its
         associated symtab.  To retrieve this symtab, we use the frame
         associated symtab.  To retrieve this symtab, we use the frame
         PC.  However we cannot use the frame PC as is, because it
         PC.  However we cannot use the frame PC as is, because it
         usually points to the instruction following the "call", which
         usually points to the instruction following the "call", which
         is sometimes the first instruction of another function.  So
         is sometimes the first instruction of another function.  So
         we rely on get_frame_address_in_block(), it provides us with
         we rely on get_frame_address_in_block(), it provides us with
         a PC that is guaranteed to be inside the frame's code
         a PC that is guaranteed to be inside the frame's code
         block.  */
         block.  */
      CORE_ADDR pc = get_frame_address_in_block (frame);
      CORE_ADDR pc = get_frame_address_in_block (frame);
      struct symtab *s = find_pc_symtab (pc);
      struct symtab *s = find_pc_symtab (pc);
 
 
      if (s)
      if (s)
        return s->language;
        return s->language;
    }
    }
 
 
  return language_unknown;
  return language_unknown;
}
}


 
 
/* Provide a prototype to silence -Wmissing-prototypes.  */
/* Provide a prototype to silence -Wmissing-prototypes.  */
void _initialize_stack (void);
void _initialize_stack (void);
 
 
void
void
_initialize_stack (void)
_initialize_stack (void)
{
{
#if 0
#if 0
  backtrace_limit = 30;
  backtrace_limit = 30;
#endif
#endif
 
 
  add_com ("return", class_stack, return_command, _("\
  add_com ("return", class_stack, return_command, _("\
Make selected stack frame return to its caller.\n\
Make selected stack frame return to its caller.\n\
Control remains in the debugger, but when you continue\n\
Control remains in the debugger, but when you continue\n\
execution will resume in the frame above the one now selected.\n\
execution will resume in the frame above the one now selected.\n\
If an argument is given, it is an expression for the value to return."));
If an argument is given, it is an expression for the value to return."));
 
 
  add_com ("up", class_stack, up_command, _("\
  add_com ("up", class_stack, up_command, _("\
Select and print stack frame that called this one.\n\
Select and print stack frame that called this one.\n\
An argument says how many frames up to go."));
An argument says how many frames up to go."));
  add_com ("up-silently", class_support, up_silently_command, _("\
  add_com ("up-silently", class_support, up_silently_command, _("\
Same as the `up' command, but does not print anything.\n\
Same as the `up' command, but does not print anything.\n\
This is useful in command scripts."));
This is useful in command scripts."));
 
 
  add_com ("down", class_stack, down_command, _("\
  add_com ("down", class_stack, down_command, _("\
Select and print stack frame called by this one.\n\
Select and print stack frame called by this one.\n\
An argument says how many frames down to go."));
An argument says how many frames down to go."));
  add_com_alias ("do", "down", class_stack, 1);
  add_com_alias ("do", "down", class_stack, 1);
  add_com_alias ("dow", "down", class_stack, 1);
  add_com_alias ("dow", "down", class_stack, 1);
  add_com ("down-silently", class_support, down_silently_command, _("\
  add_com ("down-silently", class_support, down_silently_command, _("\
Same as the `down' command, but does not print anything.\n\
Same as the `down' command, but does not print anything.\n\
This is useful in command scripts."));
This is useful in command scripts."));
 
 
  add_com ("frame", class_stack, frame_command, _("\
  add_com ("frame", class_stack, frame_command, _("\
Select and print a stack frame.\n\
Select and print a stack frame.\n\
With no argument, print the selected stack frame.  (See also \"info frame\").\n\
With no argument, print the selected stack frame.  (See also \"info frame\").\n\
An argument specifies the frame to select.\n\
An argument specifies the frame to select.\n\
It can be a stack frame number or the address of the frame.\n\
It can be a stack frame number or the address of the frame.\n\
With argument, nothing is printed if input is coming from\n\
With argument, nothing is printed if input is coming from\n\
a command file or a user-defined command."));
a command file or a user-defined command."));
 
 
  add_com_alias ("f", "frame", class_stack, 1);
  add_com_alias ("f", "frame", class_stack, 1);
 
 
  if (xdb_commands)
  if (xdb_commands)
    {
    {
      add_com ("L", class_stack, current_frame_command,
      add_com ("L", class_stack, current_frame_command,
               _("Print the current stack frame.\n"));
               _("Print the current stack frame.\n"));
      add_com_alias ("V", "frame", class_stack, 1);
      add_com_alias ("V", "frame", class_stack, 1);
    }
    }
  add_com ("select-frame", class_stack, select_frame_command, _("\
  add_com ("select-frame", class_stack, select_frame_command, _("\
Select a stack frame without printing anything.\n\
Select a stack frame without printing anything.\n\
An argument specifies the frame to select.\n\
An argument specifies the frame to select.\n\
It can be a stack frame number or the address of the frame.\n"));
It can be a stack frame number or the address of the frame.\n"));
 
 
  add_com ("backtrace", class_stack, backtrace_command, _("\
  add_com ("backtrace", class_stack, backtrace_command, _("\
Print backtrace of all stack frames, or innermost COUNT frames.\n\
Print backtrace of all stack frames, or innermost COUNT frames.\n\
With a negative argument, print outermost -COUNT frames.\n\
With a negative argument, print outermost -COUNT frames.\n\
Use of the 'full' qualifier also prints the values of the local variables.\n"));
Use of the 'full' qualifier also prints the values of the local variables.\n"));
  add_com_alias ("bt", "backtrace", class_stack, 0);
  add_com_alias ("bt", "backtrace", class_stack, 0);
  if (xdb_commands)
  if (xdb_commands)
    {
    {
      add_com_alias ("t", "backtrace", class_stack, 0);
      add_com_alias ("t", "backtrace", class_stack, 0);
      add_com ("T", class_stack, backtrace_full_command, _("\
      add_com ("T", class_stack, backtrace_full_command, _("\
Print backtrace of all stack frames, or innermost COUNT frames \n\
Print backtrace of all stack frames, or innermost COUNT frames \n\
and the values of the local variables.\n\
and the values of the local variables.\n\
With a negative argument, print outermost -COUNT frames.\n\
With a negative argument, print outermost -COUNT frames.\n\
Usage: T <count>\n"));
Usage: T <count>\n"));
    }
    }
 
 
  add_com_alias ("where", "backtrace", class_alias, 0);
  add_com_alias ("where", "backtrace", class_alias, 0);
  add_info ("stack", backtrace_command,
  add_info ("stack", backtrace_command,
            _("Backtrace of the stack, or innermost COUNT frames."));
            _("Backtrace of the stack, or innermost COUNT frames."));
  add_info_alias ("s", "stack", 1);
  add_info_alias ("s", "stack", 1);
  add_info ("frame", frame_info,
  add_info ("frame", frame_info,
            _("All about selected stack frame, or frame at ADDR."));
            _("All about selected stack frame, or frame at ADDR."));
  add_info_alias ("f", "frame", 1);
  add_info_alias ("f", "frame", 1);
  add_info ("locals", locals_info,
  add_info ("locals", locals_info,
            _("Local variables of current stack frame."));
            _("Local variables of current stack frame."));
  add_info ("args", args_info,
  add_info ("args", args_info,
            _("Argument variables of current stack frame."));
            _("Argument variables of current stack frame."));
  if (xdb_commands)
  if (xdb_commands)
    add_com ("l", class_info, args_plus_locals_info,
    add_com ("l", class_info, args_plus_locals_info,
             _("Argument and local variables of current stack frame."));
             _("Argument and local variables of current stack frame."));
 
 
  if (dbx_commands)
  if (dbx_commands)
    add_com ("func", class_stack, func_command, _("\
    add_com ("func", class_stack, func_command, _("\
Select the stack frame that contains <func>.\n\
Select the stack frame that contains <func>.\n\
Usage: func <name>\n"));
Usage: func <name>\n"));
 
 
  add_info ("catch", catch_info,
  add_info ("catch", catch_info,
            _("Exceptions that can be caught in the current stack frame."));
            _("Exceptions that can be caught in the current stack frame."));
 
 
  add_setshow_enum_cmd ("frame-arguments", class_stack,
  add_setshow_enum_cmd ("frame-arguments", class_stack,
                        print_frame_arguments_choices, &print_frame_arguments,
                        print_frame_arguments_choices, &print_frame_arguments,
                        _("Set printing of non-scalar frame arguments"),
                        _("Set printing of non-scalar frame arguments"),
                        _("Show printing of non-scalar frame arguments"),
                        _("Show printing of non-scalar frame arguments"),
                        NULL, NULL, NULL, &setprintlist, &showprintlist);
                        NULL, NULL, NULL, &setprintlist, &showprintlist);
 
 
  add_setshow_auto_boolean_cmd ("disassemble-next-line", class_stack,
  add_setshow_auto_boolean_cmd ("disassemble-next-line", class_stack,
                                &disassemble_next_line, _("\
                                &disassemble_next_line, _("\
Set whether to disassemble next source line or insn when execution stops."), _("\
Set whether to disassemble next source line or insn when execution stops."), _("\
Show whether to disassemble next source line or insn when execution stops."), _("\
Show whether to disassemble next source line or insn when execution stops."), _("\
If ON, GDB will display disassembly of the next source line, in addition\n\
If ON, GDB will display disassembly of the next source line, in addition\n\
to displaying the source line itself.  If the next source line cannot\n\
to displaying the source line itself.  If the next source line cannot\n\
be displayed (e.g., source is unavailable or there's no line info), GDB\n\
be displayed (e.g., source is unavailable or there's no line info), GDB\n\
will display disassembly of next instruction instead of showing the\n\
will display disassembly of next instruction instead of showing the\n\
source line.\n\
source line.\n\
If AUTO, display disassembly of next instruction only if the source line\n\
If AUTO, display disassembly of next instruction only if the source line\n\
cannot be displayed.\n\
cannot be displayed.\n\
If OFF (which is the default), never display the disassembly of the next\n\
If OFF (which is the default), never display the disassembly of the next\n\
source line."),
source line."),
                                NULL,
                                NULL,
                                show_disassemble_next_line,
                                show_disassemble_next_line,
                                &setlist, &showlist);
                                &setlist, &showlist);
  disassemble_next_line = AUTO_BOOLEAN_FALSE;
  disassemble_next_line = AUTO_BOOLEAN_FALSE;
 
 
#if 0
#if 0
  add_cmd ("backtrace-limit", class_stack, set_backtrace_limit_command, _(\
  add_cmd ("backtrace-limit", class_stack, set_backtrace_limit_command, _(\
"Specify maximum number of frames for \"backtrace\" to print by default."),
"Specify maximum number of frames for \"backtrace\" to print by default."),
           &setlist);
           &setlist);
  add_info ("backtrace-limit", backtrace_limit_info, _("\
  add_info ("backtrace-limit", backtrace_limit_info, _("\
The maximum number of frames for \"backtrace\" to print by default."));
The maximum number of frames for \"backtrace\" to print by default."));
#endif
#endif
}
}
 
 

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