/* Print and select stack frames for GDB, the GNU debugger.
Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007
- Free Software Foundation, Inc.
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008,
+ 2009 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "value.h"
#include "regcache.h"
#include "solib.h"
#include "valprint.h"
+#include "gdbthread.h"
+#include "cp-support.h"
+#include "disasm.h"
#include "gdb_assert.h"
#include <ctype.h>
void (*deprecated_selected_frame_level_changed_hook) (int);
+/* The possible choices of "set print frame-arguments, and the value
+ of this setting. */
+
+static const char *print_frame_arguments_choices[] =
+ {"all", "scalars", "none", NULL};
+static const char *print_frame_arguments = "scalars";
+
/* Prototypes for local functions. */
static void print_frame_local_vars (struct frame_info *, int,
args.print_what = ui_out_is_mi_like_p (uiout) ? LOC_AND_ADDRESS : print_what;
args.print_args = 1;
- catch_errors (print_stack_frame_stub, &args, "", RETURN_MASK_ALL);
+ catch_errors (print_stack_frame_stub, &args, "", RETURN_MASK_ERROR);
}
struct print_args_args
of arguments according to the stack frame (or -1 if the number of
arguments is unknown). */
-/* Note that currently the "number of argumentss 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
- ints of argumentss according to the stack frame". */
+ ints of arguments according to the stack frame". */
static void
print_frame_args (struct symbol *func, struct frame_info *frame,
int args_printed = 0;
struct cleanup *old_chain, *list_chain;
struct ui_stream *stb;
+ /* True if we should print arguments, false otherwise. */
+ int print_args = strcmp (print_frame_arguments, "none");
+ /* True in "summary" mode, false otherwise. */
+ int summary = !strcmp (print_frame_arguments, "scalars");
stb = ui_out_stream_new (uiout);
old_chain = make_cleanup_ui_out_stream_delete (stb);
/* Keep track of the highest stack argument offset seen, and
skip over any kinds of symbols we don't care about. */
+ if (!SYMBOL_IS_ARGUMENT (sym))
+ continue;
+
switch (SYMBOL_CLASS (sym))
{
case LOC_ARG:
/* We care about types of symbols, but don't need to
keep track of stack offsets in them. */
- case LOC_REGPARM:
+ case LOC_REGISTER:
case LOC_REGPARM_ADDR:
- case LOC_LOCAL_ARG:
- case LOC_BASEREG_ARG:
- case LOC_COMPUTED_ARG:
- break;
-
- /* Other types of symbols we just skip over. */
+ case LOC_COMPUTED:
+ case LOC_OPTIMIZED_OUT:
default:
- continue;
+ break;
}
/* We have to look up the symbol because arguments can have
parameter names occur on the RS/6000, for traceback
tables. FIXME, should we even print them? */
- if (*DEPRECATED_SYMBOL_NAME (sym))
+ if (*SYMBOL_LINKAGE_NAME (sym))
{
struct symbol *nsym;
- nsym = lookup_symbol (DEPRECATED_SYMBOL_NAME (sym),
- b, VAR_DOMAIN, NULL, NULL);
- if (SYMBOL_CLASS (nsym) == LOC_REGISTER)
+ nsym = lookup_symbol (SYMBOL_LINKAGE_NAME (sym),
+ b, VAR_DOMAIN, NULL);
+ gdb_assert (nsym != NULL);
+ if (SYMBOL_CLASS (nsym) == LOC_REGISTER
+ && !SYMBOL_IS_ARGUMENT (nsym))
{
/* There is a LOC_ARG/LOC_REGISTER pair. This means
that it was passed on the stack and loaded into a
annotate_arg_name_end ();
ui_out_text (uiout, "=");
- /* Avoid value_print because it will deref ref parameters.
- We just want to print their addresses. Print ??? for
- args whose address we do not know. We pass 2 as
- "recurse" to val_print because our standard indentation
- here is 4 spaces, and val_print indents 2 for each
- recurse. */
- val = read_var_value (sym, frame);
-
- annotate_arg_value (val == NULL ? NULL : value_type (val));
+ if (print_args)
+ {
+ /* Avoid value_print because it will deref ref parameters.
+ We just want to print their addresses. Print ??? for
+ args whose address we do not know. We pass 2 as
+ "recurse" to val_print because our standard indentation
+ here is 4 spaces, and val_print indents 2 for each
+ recurse. */
+ val = read_var_value (sym, frame);
+
+ annotate_arg_value (val == NULL ? NULL : value_type (val));
+
+ if (val)
+ {
+ const struct language_defn *language;
+ struct value_print_options opts;
+
+ /* Use the appropriate language to display our symbol,
+ unless the user forced the language to a specific
+ language. */
+ if (language_mode == language_mode_auto)
+ language = language_def (SYMBOL_LANGUAGE (sym));
+ else
+ language = current_language;
+
+ get_raw_print_options (&opts);
+ opts.deref_ref = 0;
+ opts.summary = summary;
+ common_val_print (val, stb->stream, 2, &opts, language);
+ ui_out_field_stream (uiout, "value", stb);
+ }
+ else
+ ui_out_text (uiout, "???");
+ }
+ else
+ ui_out_text (uiout, "...");
- if (val)
- {
- common_val_print (val, stb->stream, 0, 0, 2, Val_no_prettyprint);
- ui_out_field_stream (uiout, "value", stb);
- }
- else
- ui_out_text (uiout, "???");
/* Invoke ui_out_tuple_end. */
do_cleanups (list_chain);
long start;
if (highest_offset == -1)
- start = gdbarch_frame_args_skip (current_gdbarch);
+ start = gdbarch_frame_args_skip (get_frame_arch (frame));
else
start = highest_offset;
print_args_stub (void *args)
{
struct print_args_args *p = args;
+ struct gdbarch *gdbarch = get_frame_arch (p->frame);
int numargs;
- if (gdbarch_frame_num_args_p (current_gdbarch))
+ if (gdbarch_frame_num_args_p (gdbarch))
{
- numargs = gdbarch_frame_num_args (current_gdbarch, p->frame);
+ numargs = gdbarch_frame_num_args (gdbarch, p->frame);
gdb_assert (numargs >= 0);
}
else
}
}
+/* If ON, GDB will display disassembly of the next source line when
+ execution of the program being debugged stops.
+ 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
+ instruction instead. */
+
+static enum auto_boolean disassemble_next_line;
+
+static void
+show_disassemble_next_line (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c,
+ const char *value)
+{
+ fprintf_filtered (file, _("\
+Debugger's willingness to use disassemble-next-line is %s.\n"),
+ value);
+}
+
+/* Show assembly codes; stub for catch_errors. */
+
+struct gdb_disassembly_stub_args
+{
+ int how_many;
+ CORE_ADDR low;
+ CORE_ADDR high;
+};
+
+static void
+gdb_disassembly_stub (void *args)
+{
+ struct gdb_disassembly_stub_args *p = args;
+ gdb_disassembly (uiout, 0, 0, p->how_many, p->low, p->high);
+}
+
+/* Use TRY_CATCH to catch the exception from the gdb_disassembly
+ because it will be broken by filter sometime. */
+
+static void
+do_gdb_disassembly (int how_many, CORE_ADDR low, CORE_ADDR high)
+{
+ volatile struct gdb_exception exception;
+ struct gdb_disassembly_stub_args args;
+
+ args.how_many = how_many;
+ args.low = low;
+ args.high = high;
+ TRY_CATCH (exception, RETURN_MASK_ALL)
+ {
+ gdb_disassembly_stub (&args);
+ }
+ /* If an exception was thrown while doing the disassembly, print
+ the error message, to give the user a clue of what happened. */
+ if (exception.reason == RETURN_ERROR)
+ exception_print (gdb_stderr, exception);
+}
+
/* Print information about frame FRAME. The output is format according
to PRINT_LEVEL and PRINT_WHAT and PRINT ARGS. The meaning of
PRINT_WHAT is:
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
+ the line debug messages for $pc, output the next instruction. */
+ if ((disassemble_next_line == AUTO_BOOLEAN_AUTO
+ || disassemble_next_line == AUTO_BOOLEAN_TRUE)
+ && source_print && !sal.symtab)
+ do_gdb_disassembly (1, get_frame_pc (frame), get_frame_pc (frame) + 1);
+
if (source_print && sal.symtab)
{
int done = 0;
sal.line + 1, 0);
else
{
+ struct value_print_options opts;
+ get_user_print_options (&opts);
/* We used to do this earlier, but that is clearly
wrong. This function is used by many different
parts of gdb, including normal_stop in infrun.c,
line. Only the command line really wants this
behavior. Other UIs probably would like the
ability to decide for themselves if it is desired. */
- if (addressprint && mid_statement)
+ if (opts.addressprint && mid_statement)
{
ui_out_field_core_addr (uiout, "addr", get_frame_pc (frame));
ui_out_text (uiout, "\t");
print_source_lines (sal.symtab, sal.line, sal.line + 1, 0);
}
}
+
+ /* If disassemble-next-line is set to on and there is line debug
+ messages, output assembly codes for next line. */
+ if (disassemble_next_line == AUTO_BOOLEAN_TRUE)
+ do_gdb_disassembly (-1, get_frame_pc (frame), sal.end);
}
if (print_what != LOCATION)
gdb_flush (gdb_stdout);
}
-static void
-print_frame (struct frame_info *frame, int print_level,
- enum print_what print_what, int print_args,
- struct symtab_and_line sal)
+/* Attempt to obtain the FUNNAME and FUNLANG of the function corresponding
+ to FRAME. */
+void
+find_frame_funname (struct frame_info *frame, char **funname,
+ enum language *funlang)
{
struct symbol *func;
- char *funname = NULL;
- enum language funlang = language_unknown;
- struct ui_stream *stb;
- struct cleanup *old_chain, *list_chain;
- stb = ui_out_stream_new (uiout);
- old_chain = make_cleanup_ui_out_stream_delete (stb);
+ *funname = NULL;
+ *funlang = language_unknown;
func = find_pc_function (get_frame_address_in_block (frame));
if (func)
/* We also don't know anything about the function besides
its address and name. */
func = 0;
- funname = DEPRECATED_SYMBOL_NAME (msymbol);
- funlang = SYMBOL_LANGUAGE (msymbol);
+ *funname = SYMBOL_PRINT_NAME (msymbol);
+ *funlang = SYMBOL_LANGUAGE (msymbol);
}
else
{
- funname = DEPRECATED_SYMBOL_NAME (func);
- funlang = SYMBOL_LANGUAGE (func);
- if (funlang == language_cplus)
+ *funname = SYMBOL_PRINT_NAME (func);
+ *funlang = SYMBOL_LANGUAGE (func);
+ if (*funlang == language_cplus)
{
/* It seems appropriate to use SYMBOL_PRINT_NAME() here,
to display the demangled name that we already have
stored in the symbol table, but we stored a version
with DMGL_PARAMS turned on, and here we don't want to
- display parameters. So call the demangler again, with
- DMGL_ANSI only.
-
- Yes, printf_symbol_filtered() will again try to
- demangle the name on the fly, but the issue is that
- if cplus_demangle() fails here, it will fail there
- too. So we want to catch the failure (where DEMANGLED
- is NULL below) here, while we still have our hands on
- the function symbol.) */
- char *demangled = cplus_demangle (funname, DMGL_ANSI);
- if (demangled == NULL)
- /* If the demangler fails, try the demangled name from
- the symbol table. That'll have parameters, but
- that's preferable to displaying a mangled name. */
- funname = SYMBOL_PRINT_NAME (func);
+ display parameters. So remove the parameters. */
+ char *func_only = cp_remove_params (*funname);
+ if (func_only)
+ {
+ *funname = func_only;
+ make_cleanup (xfree, func_only);
+ }
}
}
}
if (msymbol != NULL)
{
- funname = DEPRECATED_SYMBOL_NAME (msymbol);
- funlang = SYMBOL_LANGUAGE (msymbol);
+ *funname = SYMBOL_PRINT_NAME (msymbol);
+ *funlang = SYMBOL_LANGUAGE (msymbol);
}
}
+}
+
+static void
+print_frame (struct frame_info *frame, int print_level,
+ enum print_what print_what, int print_args,
+ struct symtab_and_line sal)
+{
+ char *funname = NULL;
+ enum language funlang = language_unknown;
+ struct ui_stream *stb;
+ struct cleanup *old_chain, *list_chain;
+ struct value_print_options opts;
+
+ stb = ui_out_stream_new (uiout);
+ old_chain = make_cleanup_ui_out_stream_delete (stb);
+
+ find_frame_funname (frame, &funname, &funlang);
annotate_frame_begin (print_level ? frame_relative_level (frame) : 0,
get_frame_pc (frame));
ui_out_field_fmt_int (uiout, 2, ui_left, "level",
frame_relative_level (frame));
}
- if (addressprint)
+ get_user_print_options (&opts);
+ if (opts.addressprint)
if (get_frame_pc (frame) != sal.pc || !sal.symtab
|| print_what == LOC_AND_ADDRESS)
{
struct print_args_args args;
struct cleanup *args_list_chain;
args.frame = frame;
- args.func = func;
+ args.func = find_pc_function (get_frame_address_in_block (frame));
args.stream = gdb_stdout;
args_list_chain = make_cleanup_ui_out_list_begin_end (uiout, "args");
- catch_errors (print_args_stub, &args, "", RETURN_MASK_ALL);
+ catch_errors (print_args_stub, &args, "", RETURN_MASK_ERROR);
/* FIXME: ARGS must be a list. If one argument is a string it
will have " that will not be properly escaped. */
/* Invoke ui_out_tuple_end. */
#ifdef PC_SOLIB
char *lib = PC_SOLIB (get_frame_pc (frame));
#else
- char *lib = solib_address (get_frame_pc (frame));
+ char *lib = solib_name_from_address (get_frame_pc (frame));
#endif
if (lib)
{
do_cleanups (old_chain);
}
\f
-/* Show the frame info. If this is the tui, it will be shown in the
- source display otherwise, nothing is done. */
-
-void
-show_stack_frame (struct frame_info *frame)
-{
-}
-\f
/* Read a frame specification in whatever the appropriate format is
from FRAME_EXP. Call error(), printing MESSAGE, if the
{
int i;
for (i = 0; i < numargs; i++)
- addrs[i] = value_as_address (args[0]);
+ addrs[i] = value_as_address (args[i]);
}
/* Assume that the single arg[0] is an address, use that to identify
enum language funlang = language_unknown;
const char *pc_regname;
int selected_frame_p;
+ struct gdbarch *gdbarch;
+ struct cleanup *back_to = make_cleanup (null_cleanup, NULL);
fi = parse_frame_specification_1 (addr_exp, "No stack.", &selected_frame_p);
+ gdbarch = get_frame_arch (fi);
/* Name of the value returned by get_frame_pc(). Per comments, "pc"
is not a good name. */
- if (PC_REGNUM >= 0)
- /* OK, this is weird. The PC_REGNUM hardware register's value can
+ if (gdbarch_pc_regnum (gdbarch) >= 0)
+ /* OK, this is weird. The gdbarch_pc_regnum hardware register's value can
easily not match that of the internal value returned by
get_frame_pc(). */
- pc_regname = REGISTER_NAME (PC_REGNUM);
+ pc_regname = gdbarch_register_name (gdbarch, gdbarch_pc_regnum (gdbarch));
else
- /* But then, this is weird to. Even without PC_REGNUM, an
+ /* But then, this is weird to. Even without gdbarch_pc_regnum, an
architectures will often have a hardware register called "pc",
and that register's value, again, can easily not match
get_frame_pc(). */
s = find_pc_symtab (get_frame_pc (fi));
if (func)
{
- /* It seems appropriate to use SYMBOL_PRINT_NAME() here, to
- display the demangled name that we already have stored in the
- symbol table, but we stored a version with DMGL_PARAMS turned
- on, and here we don't want to display parameters. So call the
- demangler again, with DMGL_ANSI only.
-
- Yes, printf_symbol_filtered() will again try to demangle the
- name on the fly, but the issue is that if cplus_demangle()
- fails here, it will fail there too. So we want to catch the
- failure (where DEMANGLED is NULL below) here, while we still
- have our hands on the function symbol.) */
- funname = DEPRECATED_SYMBOL_NAME (func);
+ funname = SYMBOL_PRINT_NAME (func);
funlang = SYMBOL_LANGUAGE (func);
if (funlang == language_cplus)
{
- char *demangled = cplus_demangle (funname, DMGL_ANSI);
- /* If the demangler fails, try the demangled name from the
- symbol table. That'll have parameters, but that's
- preferable to displaying a mangled name. */
- if (demangled == NULL)
- funname = SYMBOL_PRINT_NAME (func);
+ /* It seems appropriate to use SYMBOL_PRINT_NAME() here,
+ to display the demangled name that we already have
+ stored in the symbol table, but we stored a version
+ with DMGL_PARAMS turned on, and here we don't want to
+ display parameters. So remove the parameters. */
+ char *func_only = cp_remove_params (funname);
+ if (func_only)
+ {
+ funname = func_only;
+ make_cleanup (xfree, func_only);
+ }
}
}
else
msymbol = lookup_minimal_symbol_by_pc (get_frame_pc (fi));
if (msymbol != NULL)
{
- funname = DEPRECATED_SYMBOL_NAME (msymbol);
+ funname = SYMBOL_PRINT_NAME (msymbol);
funlang = SYMBOL_LANGUAGE (msymbol);
}
}
{
printf_filtered (_("Stack frame at "));
}
- deprecated_print_address_numeric (get_frame_base (fi), 1, gdb_stdout);
+ fputs_filtered (paddress (get_frame_base (fi)), gdb_stdout);
printf_filtered (":\n");
printf_filtered (" %s = ", pc_regname);
- deprecated_print_address_numeric (get_frame_pc (fi), 1, gdb_stdout);
+ fputs_filtered (paddress (get_frame_pc (fi)), gdb_stdout);
wrap_here (" ");
if (funname)
puts_filtered ("; ");
wrap_here (" ");
printf_filtered ("saved %s ", pc_regname);
- deprecated_print_address_numeric (frame_pc_unwind (fi), 1, gdb_stdout);
+ fputs_filtered (paddress (frame_pc_unwind (fi)), gdb_stdout);
printf_filtered ("\n");
if (calling_frame_info == NULL)
if (calling_frame_info)
{
printf_filtered (" called by frame at ");
- deprecated_print_address_numeric (get_frame_base (calling_frame_info),
- 1, gdb_stdout);
+ fputs_filtered (paddress (get_frame_base (calling_frame_info)),
+ gdb_stdout);
}
if (get_next_frame (fi) && calling_frame_info)
puts_filtered (",");
if (get_next_frame (fi))
{
printf_filtered (" caller of frame at ");
- deprecated_print_address_numeric (get_frame_base (get_next_frame (fi)), 1,
- gdb_stdout);
+ fputs_filtered (paddress (get_frame_base (get_next_frame (fi))),
+ gdb_stdout);
}
if (get_next_frame (fi) || calling_frame_info)
puts_filtered ("\n");
else
{
printf_filtered (" Arglist at ");
- deprecated_print_address_numeric (arg_list, 1, gdb_stdout);
+ fputs_filtered (paddress (arg_list), gdb_stdout);
printf_filtered (",");
- if (!gdbarch_frame_num_args_p (current_gdbarch))
+ if (!gdbarch_frame_num_args_p (gdbarch))
{
numargs = -1;
puts_filtered (" args: ");
}
else
{
- numargs = gdbarch_frame_num_args (current_gdbarch, fi);
+ numargs = gdbarch_frame_num_args (gdbarch, fi);
gdb_assert (numargs >= 0);
if (numargs == 0)
puts_filtered (" no args.");
else
{
printf_filtered (" Locals at ");
- deprecated_print_address_numeric (arg_list, 1, gdb_stdout);
+ fputs_filtered (paddress (arg_list), gdb_stdout);
printf_filtered (",");
}
}
at one stage the frame cached the previous frame's SP instead
of its address, hence it was easiest to just display the cached
value. */
- if (SP_REGNUM >= 0)
+ if (gdbarch_sp_regnum (gdbarch) >= 0)
{
/* Find out the location of the saved stack pointer with out
actually evaluating it. */
- frame_register_unwind (fi, SP_REGNUM, &optimized, &lval, &addr,
+ frame_register_unwind (fi, gdbarch_sp_regnum (gdbarch),
+ &optimized, &lval, &addr,
&realnum, NULL);
if (!optimized && lval == not_lval)
{
gdb_byte value[MAX_REGISTER_SIZE];
CORE_ADDR sp;
- frame_register_unwind (fi, SP_REGNUM, &optimized, &lval, &addr,
+ frame_register_unwind (fi, gdbarch_sp_regnum (gdbarch),
+ &optimized, &lval, &addr,
&realnum, value);
/* NOTE: cagney/2003-05-22: This is assuming that the
stack pointer was packed as an unsigned integer. That
may or may not be valid. */
- sp = extract_unsigned_integer (value, register_size (current_gdbarch, SP_REGNUM));
+ sp = extract_unsigned_integer (value,
+ register_size (gdbarch,
+ gdbarch_sp_regnum (gdbarch)));
printf_filtered (" Previous frame's sp is ");
- deprecated_print_address_numeric (sp, 1, gdb_stdout);
+ fputs_filtered (paddress (sp), gdb_stdout);
printf_filtered ("\n");
need_nl = 0;
}
else if (!optimized && lval == lval_memory)
{
printf_filtered (" Previous frame's sp at ");
- deprecated_print_address_numeric (addr, 1, gdb_stdout);
+ fputs_filtered (paddress (addr), gdb_stdout);
printf_filtered ("\n");
need_nl = 0;
}
else if (!optimized && lval == lval_register)
{
printf_filtered (" Previous frame's sp in %s\n",
- REGISTER_NAME (realnum));
+ gdbarch_register_name (gdbarch, realnum));
need_nl = 0;
}
/* else keep quiet. */
}
count = 0;
- numregs = gdbarch_num_regs (current_gdbarch)
- + gdbarch_num_pseudo_regs (current_gdbarch);
+ numregs = gdbarch_num_regs (gdbarch)
+ + gdbarch_num_pseudo_regs (gdbarch);
for (i = 0; i < numregs; i++)
- if (i != SP_REGNUM
- && gdbarch_register_reggroup_p (current_gdbarch, i, all_reggroup))
+ if (i != gdbarch_sp_regnum (gdbarch)
+ && gdbarch_register_reggroup_p (gdbarch, i, all_reggroup))
{
/* Find out the location of the saved register without
fetching the corresponding value. */
else
puts_filtered (",");
wrap_here (" ");
- printf_filtered (" %s at ", REGISTER_NAME (i));
- deprecated_print_address_numeric (addr, 1, gdb_stdout);
+ printf_filtered (" %s at ",
+ gdbarch_register_name (gdbarch, i));
+ fputs_filtered (paddress (addr), gdb_stdout);
count++;
}
}
if (count || need_nl)
puts_filtered ("\n");
}
+
+ do_cleanups (back_to);
}
/* Print briefly all stack frames or just the innermost COUNT_EXP
char **argv;
int i;
- argv = buildargv (arg);
+ argv = gdb_buildargv (arg);
old_chain = make_cleanup_freeargv (argv);
argc = 0;
for (i = 0; argv[i]; i++)
case LOC_LOCAL:
case LOC_REGISTER:
case LOC_STATIC:
- case LOC_BASEREG:
case LOC_COMPUTED:
+ if (SYMBOL_IS_ARGUMENT (sym))
+ break;
values_printed = 1;
- for (j = 0; j < num_tabs; j++)
- fputs_filtered ("\t", stream);
- fputs_filtered (SYMBOL_PRINT_NAME (sym), stream);
- fputs_filtered (" = ", stream);
- print_variable_value (sym, frame, stream);
- fprintf_filtered (stream, "\n");
+ print_variable_and_value (NULL, sym, frame, stream, 4 * num_tabs);
break;
default:
ALL_BLOCK_SYMBOLS (b, iter, sym)
{
- if (strcmp (DEPRECATED_SYMBOL_NAME (sym), "default") == 0)
+ if (strcmp (SYMBOL_LINKAGE_NAME (sym), "default") == 0)
{
if (*have_default)
continue;
if (SYMBOL_CLASS (sym) == LOC_LABEL)
{
struct symtab_and_line sal;
+ struct value_print_options opts;
sal = find_pc_line (SYMBOL_VALUE_ADDRESS (sym), 0);
values_printed = 1;
fputs_filtered (SYMBOL_PRINT_NAME (sym), stream);
- if (addressprint)
+ get_user_print_options (&opts);
+ if (opts.addressprint)
{
fprintf_filtered (stream, " ");
- deprecated_print_address_numeric (SYMBOL_VALUE_ADDRESS (sym), 1, stream);
+ fputs_filtered (paddress (SYMBOL_VALUE_ADDRESS (sym)), stream);
}
fprintf_filtered (stream, " in file %s, line %d\n",
sal.symtab->filename, sal.line);
print_frame_label_vars (struct frame_info *frame, int this_level_only,
struct ui_file *stream)
{
+#if 1
+ fprintf_filtered (stream, "print_frame_label_vars disabled.\n");
+#else
struct blockvector *bl;
struct block *block = get_frame_block (frame, 0);
int values_printed = 0;
if (!values_printed && !this_level_only)
fprintf_filtered (stream, _("No catches.\n"));
+#endif
}
void
{
struct symtab_and_line *sal;
- /* Check for target support for exception handling */
- sal = target_enable_exception_callback (EX_EVENT_CATCH, 1);
- if (sal)
- {
- /* Currently not handling this. Ideally, here we should
- interact with the C++ runtime system to find the list of
- active handlers, etc. */
- fprintf_filtered (gdb_stdout, _("\
-Info catch not supported with this target/compiler combination.\n"));
- }
- else
- {
- /* Assume g++ compiled code; old GDB 4.16 behaviour. */
- print_frame_label_vars (get_selected_frame (_("No frame selected.")),
- 0, gdb_stdout);
- }
+ /* Assume g++ compiled code; old GDB 4.16 behaviour. */
+ print_frame_label_vars (get_selected_frame (_("No frame selected.")),
+ 0, gdb_stdout);
}
static void
b = SYMBOL_BLOCK_VALUE (func);
ALL_BLOCK_SYMBOLS (b, iter, sym)
{
- switch (SYMBOL_CLASS (sym))
+ /* Don't worry about things which aren't arguments. */
+ if (SYMBOL_IS_ARGUMENT (sym))
{
- case LOC_ARG:
- case LOC_LOCAL_ARG:
- case LOC_REF_ARG:
- case LOC_REGPARM:
- case LOC_REGPARM_ADDR:
- case LOC_BASEREG_ARG:
- case LOC_COMPUTED_ARG:
values_printed = 1;
- fputs_filtered (SYMBOL_PRINT_NAME (sym), stream);
- fputs_filtered (" = ", stream);
/* We have to look up the symbol because arguments can have
two entries (one a parameter, one a local) and the one we
float). There are also LOC_ARG/LOC_REGISTER pairs which
are not combined in symbol-reading. */
- sym2 = lookup_symbol (DEPRECATED_SYMBOL_NAME (sym),
- b, VAR_DOMAIN, NULL, NULL);
- print_variable_value (sym2, frame, stream);
- fprintf_filtered (stream, "\n");
- break;
-
- default:
- /* Don't worry about things which aren't arguments. */
- break;
+ sym2 = lookup_symbol (SYMBOL_LINKAGE_NAME (sym),
+ b, VAR_DOMAIN, NULL);
+ print_variable_and_value (SYMBOL_PRINT_NAME (sym), sym2,
+ frame, stream, 0);
}
}
struct block *
get_selected_block (CORE_ADDR *addr_in_block)
{
- if (!target_has_stack)
+ if (!has_stack_frames ())
return 0;
return get_frame_block (get_selected_frame (NULL), addr_in_block);
void
return_command (char *retval_exp, int from_tty)
{
+ struct frame_info *thisframe;
+ struct gdbarch *gdbarch;
struct symbol *thisfun;
struct value *return_value = NULL;
const char *query_prefix = "";
- thisfun = get_frame_function (get_selected_frame ("No selected frame."));
+ thisframe = get_selected_frame ("No selected frame.");
+ thisfun = get_frame_function (thisframe);
+ gdbarch = get_frame_arch (thisframe);
/* Compute the return value. If the computation triggers an error,
let it bail. If the return type can't be handled, set
message. */
if (retval_exp)
{
+ struct expression *retval_expr = parse_expression (retval_exp);
+ struct cleanup *old_chain = make_cleanup (xfree, retval_expr);
struct type *return_type = NULL;
/* Compute the return value. Should the computation fail, this
call throws an error. */
- return_value = parse_and_eval (retval_exp);
+ return_value = evaluate_expression (retval_expr);
/* Cast return value to the return type of the function. Should
the cast fail, this call throws an error. */
if (thisfun != NULL)
return_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (thisfun));
if (return_type == NULL)
- return_type = builtin_type_int;
+ {
+ if (retval_expr->elts[0].opcode != UNOP_CAST)
+ error (_("Return value type not available for selected "
+ "stack frame.\n"
+ "Please use an explicit cast of the value to return."));
+ return_type = value_type (return_value);
+ }
+ do_cleanups (old_chain);
CHECK_TYPEDEF (return_type);
return_value = value_cast (return_type, return_value);
is discarded, side effects such as "return i++" still
occur. */
return_value = NULL;
- /* FIXME: cagney/2004-01-17: If the architecture implements both
- return_value and extract_returned_value_address, should allow
- "return" to work - don't set return_value to NULL. */
- else if (!gdbarch_return_value_p (current_gdbarch)
- && (TYPE_CODE (return_type) == TYPE_CODE_STRUCT
- || TYPE_CODE (return_type) == TYPE_CODE_UNION))
- {
- /* NOTE: cagney/2003-10-20: Compatibility hack for legacy
- code. Old architectures don't expect STORE_RETURN_VALUE
- to be called with with a small struct that needs to be
- stored in registers. Don't start doing it now. */
- query_prefix = "\
-A structure or union return type is not supported by this architecture.\n\
-If you continue, the return value that you specified will be ignored.\n";
- return_value = NULL;
- }
- else if (using_struct_return (return_type, 0))
+ else if (thisfun != NULL
+ && using_struct_return (gdbarch,
+ SYMBOL_TYPE (thisfun), return_type))
{
query_prefix = "\
The location at which to store the function's return value is unknown.\n\
error (_("Not confirmed"));
}
- /* NOTE: cagney/2003-01-18: Is this silly? Rather than pop each
- frame in turn, should this code just go straight to the relevant
- frame and pop that? */
-
- /* First discard all frames inner-to the selected frame (making the
- selected frame current). */
- {
- struct frame_id selected_id = get_frame_id (get_selected_frame (NULL));
- while (!frame_id_eq (selected_id, get_frame_id (get_current_frame ())))
- {
- if (frame_id_inner (selected_id, get_frame_id (get_current_frame ())))
- /* Caught in the safety net, oops! We've gone way past the
- selected frame. */
- error (_("Problem while popping stack frames (corrupt stack?)"));
- frame_pop (get_current_frame ());
- }
- }
-
- /* Second discard the selected frame (which is now also the current
- frame). */
- frame_pop (get_current_frame ());
+ /* Discard the selected frame and all frames inner-to it. */
+ frame_pop (get_selected_frame (NULL));
/* Store RETURN_VALUE in the just-returned register set. */
if (return_value != NULL)
{
struct type *return_type = value_type (return_value);
- gdb_assert (gdbarch_return_value (current_gdbarch, return_type,
- NULL, NULL, NULL)
+ struct gdbarch *gdbarch = get_regcache_arch (get_current_regcache ());
+ struct type *func_type = thisfun == NULL ? NULL : SYMBOL_TYPE (thisfun);
+
+ gdb_assert (gdbarch_return_value (gdbarch, func_type, return_type, NULL,
+ NULL, NULL)
== RETURN_VALUE_REGISTER_CONVENTION);
- gdbarch_return_value (current_gdbarch, return_type,
- current_regcache, NULL /*read*/,
+ gdbarch_return_value (gdbarch, func_type, return_type,
+ get_current_regcache (), NULL /*read*/,
value_contents (return_value) /*write*/);
}
add_info ("catch", catch_info,
_("Exceptions that can be caught in the current stack frame."));
+ add_setshow_enum_cmd ("frame-arguments", class_stack,
+ print_frame_arguments_choices, &print_frame_arguments,
+ _("Set printing of non-scalar frame arguments"),
+ _("Show printing of non-scalar frame arguments"),
+ NULL, NULL, NULL, &setprintlist, &showprintlist);
+
+ add_setshow_auto_boolean_cmd ("disassemble-next-line", class_stack,
+ &disassemble_next_line, _("\
+Set 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\
+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\
+will display disassembly of next instruction instead of showing the\n\
+source line.\n\
+If AUTO, display disassembly of next instruction only if the source line\n\
+cannot be displayed.\n\
+If OFF (which is the default), never display the disassembly of the next\n\
+source line."),
+ NULL,
+ show_disassemble_next_line,
+ &setlist, &showlist);
+ disassemble_next_line = AUTO_BOOLEAN_FALSE;
+
#if 0
add_cmd ("backtrace-limit", class_stack, set_backtrace_limit_command, _(\
"Specify maximum number of frames for \"backtrace\" to print by default."),
projects / deliverable / binutils-gdb.git / blobdiff