/* Print and select stack frames for GDB, the GNU debugger.
- Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995
+ Copyright 1986, 87, 89, 91, 92, 93, 94, 95, 96, 98, 1999
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
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+#include <ctype.h>
#include "defs.h"
#include "gdb_string.h"
#include "value.h"
#include "demangle.h"
#include "inferior.h"
#include "annotate.h"
+#include "symfile.h"
+#include "objfiles.h"
+
+/* Prototypes for exported functions. */
+
+void args_info PARAMS ((char *, int));
+
+void locals_info PARAMS ((char *, int));
+
+void (*selected_frame_level_changed_hook) PARAMS ((int));
+
+void _initialize_stack PARAMS ((void));
+
+/* Prototypes for local functions. */
static void return_command PARAMS ((char *, int));
static void down_command PARAMS ((char *, int));
+static void down_silently_base PARAMS ((char *));
+
static void down_silently_command PARAMS ((char *, int));
static void up_command PARAMS ((char *, int));
+static void up_silently_base PARAMS ((char *));
+
static void up_silently_command PARAMS ((char *, int));
-static void frame_command PARAMS ((char *, int));
+void frame_command PARAMS ((char *, int));
-static void select_frame_command PARAMS ((char *, int));
+static void current_frame_command PARAMS ((char *, int));
-static void args_info PARAMS ((char *, int));
+static void select_frame_command PARAMS ((char *, int));
static void print_frame_arg_vars PARAMS ((struct frame_info *, GDB_FILE *));
static void catch_info PARAMS ((char *, int));
-static void locals_info PARAMS ((char *, int));
+static void args_plus_locals_info PARAMS ((char *, int));
-static void print_frame_label_vars PARAMS ((struct frame_info *, int,
+static void print_frame_label_vars PARAMS ((struct frame_info *,
+ int,
GDB_FILE *));
-static void print_frame_local_vars PARAMS ((struct frame_info *, GDB_FILE *));
+static void print_frame_local_vars PARAMS ((struct frame_info *,
+ int,
+ GDB_FILE *));
static int print_block_frame_labels PARAMS ((struct block *, int *,
GDB_FILE *));
static int print_block_frame_locals PARAMS ((struct block *,
struct frame_info *,
+ int,
GDB_FILE *));
+static void print_frame_info_base PARAMS ((struct frame_info *, int, int, int));
+
+static void print_stack_frame_base PARAMS ((struct frame_info *, int, int));
+
static void backtrace_command PARAMS ((char *, int));
-static struct frame_info *parse_frame_specification PARAMS ((char *));
+struct frame_info *parse_frame_specification PARAMS ((char *));
static void frame_info PARAMS ((char *, int));
cases and in a slightly different syntax. */
int annotation_level = 0;
-
\f
-struct print_stack_frame_args {
- struct frame_info *fi;
- int level;
- int source;
- int args;
-};
-static int print_stack_frame_stub PARAMS ((char *));
+struct print_stack_frame_args
+ {
+ struct frame_info *fi;
+ int level;
+ int source;
+ int args;
+ };
-/* Pass the args the way catch_errors wants them. */
+static int print_stack_frame_base_stub PARAMS ((char *));
+
+/* Show and print the frame arguments.
+ Pass the args the way catch_errors wants them. */
+static int show_and_print_stack_frame_stub PARAMS ((void *args));
+static int
+show_and_print_stack_frame_stub (args)
+ void *args;
+{
+ struct print_stack_frame_args *p = (struct print_stack_frame_args *) args;
+
+ /* Reversed order of these so tuiDo() doesn't occur
+ * in the middle of "Breakpoint 1 ... [location]" printing = RT
+ */
+ if (tui_version)
+ print_frame_info_base (p->fi, p->level, p->source, p->args);
+ print_frame_info (p->fi, p->level, p->source, p->args);
+
+ return 0;
+}
+
+/* Show or print the frame arguments.
+ Pass the args the way catch_errors wants them. */
+static int print_stack_frame_stub PARAMS ((void *args));
static int
print_stack_frame_stub (args)
+ void *args;
+{
+ struct print_stack_frame_args *p = (struct print_stack_frame_args *) args;
+
+ if (tui_version)
+ print_frame_info (p->fi, p->level, p->source, p->args);
+ else
+ print_frame_info_base (p->fi, p->level, p->source, p->args);
+ return 0;
+}
+
+/* Print a stack frame briefly. FRAME_INFI should be the frame info
+ and LEVEL should be its level in the stack (or -1 for level not
+ defined). */
+
+/* Pass the args the way catch_errors wants them. */
+static int
+print_stack_frame_base_stub (args)
char *args;
{
- struct print_stack_frame_args *p = (struct print_stack_frame_args *)args;
+ struct print_stack_frame_args *p = (struct print_stack_frame_args *) args;
- print_frame_info (p->fi, p->level, p->source, p->args);
+ print_frame_info_base (p->fi, p->level, p->source, p->args);
+ return 0;
+}
+
+/* print the frame arguments to the terminal.
+ Pass the args the way catch_errors wants them. */
+static int print_only_stack_frame_stub PARAMS ((void *));
+static int
+print_only_stack_frame_stub (args)
+ void *args;
+{
+ struct print_stack_frame_args *p = (struct print_stack_frame_args *) args;
+
+ print_frame_info_base (p->fi, p->level, p->source, p->args);
return 0;
}
If SOURCE is 1, print the source line as well.
If SOURCE is -1, print ONLY the source line. */
+static void
+print_stack_frame_base (fi, level, source)
+ struct frame_info *fi;
+ int level;
+ int source;
+{
+ struct print_stack_frame_args args;
+
+ args.fi = fi;
+ args.level = level;
+ args.source = source;
+ args.args = 1;
+
+ catch_errors (print_stack_frame_stub, &args, "", RETURN_MASK_ALL);
+}
+
+/* Show and print a stack frame briefly. FRAME_INFI should be the frame info
+ and LEVEL should be its level in the stack (or -1 for level not defined).
+ This prints the level, the function executing, the arguments,
+ and the file name and line number.
+ If the pc is not at the beginning of the source line,
+ the actual pc is printed at the beginning.
+
+ If SOURCE is 1, print the source line as well.
+ If SOURCE is -1, print ONLY the source line. */
+
+void
+show_and_print_stack_frame (fi, level, source)
+ struct frame_info *fi;
+ int level;
+ int source;
+{
+ struct print_stack_frame_args args;
+
+ args.fi = fi;
+ args.level = level;
+ args.source = source;
+ args.args = 1;
+
+ catch_errors (show_and_print_stack_frame_stub, &args, "", RETURN_MASK_ALL);
+}
+
+
+/* Show or print a stack frame briefly. FRAME_INFI should be the frame info
+ and LEVEL should be its level in the stack (or -1 for level not defined).
+ This prints the level, the function executing, the arguments,
+ and the file name and line number.
+ If the pc is not at the beginning of the source line,
+ the actual pc is printed at the beginning.
+
+ If SOURCE is 1, print the source line as well.
+ If SOURCE is -1, print ONLY the source line. */
+
void
print_stack_frame (fi, level, source)
struct frame_info *fi;
args.source = source;
args.args = 1;
- catch_errors (print_stack_frame_stub, (char *)&args, "", RETURN_MASK_ERROR);
+ catch_errors (print_stack_frame_stub, (char *) &args, "", RETURN_MASK_ALL);
+}
+
+/* Print a stack frame briefly. FRAME_INFI should be the frame info
+ and LEVEL should be its level in the stack (or -1 for level not defined).
+ This prints the level, the function executing, the arguments,
+ and the file name and line number.
+ If the pc is not at the beginning of the source line,
+ the actual pc is printed at the beginning.
+
+ If SOURCE is 1, print the source line as well.
+ If SOURCE is -1, print ONLY the source line. */
+
+void
+print_only_stack_frame (fi, level, source)
+ struct frame_info *fi;
+ int level;
+ int source;
+{
+ struct print_stack_frame_args args;
+
+ args.fi = fi;
+ args.level = level;
+ args.source = source;
+ args.args = 1;
+
+ catch_errors (print_only_stack_frame_stub, &args, "", RETURN_MASK_ALL);
}
-struct print_args_args {
+struct print_args_args
+{
struct symbol *func;
struct frame_info *fi;
+ GDB_FILE *stream;
};
-static int print_args_stub PARAMS ((char *));
+static int print_args_stub PARAMS ((PTR));
/* Pass the args the way catch_errors wants them. */
static int
print_args_stub (args)
- char *args;
+ PTR args;
{
int numargs;
- struct print_args_args *p = (struct print_args_args *)args;
+ struct print_args_args *p = (struct print_args_args *) args;
- FRAME_NUM_ARGS (numargs, (p->fi));
- print_frame_args (p->func, p->fi, numargs, gdb_stdout);
+ numargs = FRAME_NUM_ARGS (p->fi);
+ print_frame_args (p->func, p->fi, numargs, p->stream);
return 0;
}
-/* LEVEL is the level of the frame, or -1 if it is the innermost frame
- but we don't want to print the level. */
+/* Print information about a frame for frame "fi" at level "level".
+ * Used in "where" output, also used to emit breakpoint or step messages.
+ * LEVEL is the level of the frame, or -1 if it is the innermost frame
+ * but we don't want to print the level.
+ * The meaning of the SOURCE argument is:
+ * -1: Print only source line
+ * 0: Print only location
+ * 1: Print location and source line
+ */
-void
-print_frame_info (fi, level, source, args)
+static void
+print_frame_info_base (fi, level, source, args)
struct frame_info *fi;
- register int level;
+ int level;
int source;
int args;
{
/* On the 68k, this spends too much time in m68k_find_saved_regs. */
/* Get the value of SP_REGNUM relative to the frame. */
- get_saved_register (buf, (int *)NULL, (CORE_ADDR *)NULL,
- FRAME_INFO_ID (fi), SP_REGNUM, (enum lval_type *)NULL);
+ get_saved_register (buf, (int *) NULL, (CORE_ADDR *) NULL,
+ FRAME_INFO_ID (fi), SP_REGNUM, (enum lval_type *) NULL);
sp = extract_address (buf, REGISTER_RAW_SIZE (SP_REGNUM));
/* This is not a perfect test, because if a function alloca's some
annotate_frame_begin (level == -1 ? 0 : level, fi->pc);
/* Do this regardless of SOURCE because we don't have any source
- to list for this frame. */
+ to list for this frame. */
if (level >= 0)
printf_filtered ("#%-2d ", level);
annotate_function_call ();
annotate_frame_begin (level == -1 ? 0 : level, fi->pc);
/* Do this regardless of SOURCE because we don't have any source
- to list for this frame. */
+ to list for this frame. */
if (level >= 0)
printf_filtered ("#%-2d ", level);
annotate_signal_handler_caller ();
if (func)
{
/* In certain pathological cases, the symtabs give the wrong
- function (when we are in the first function in a file which
- is compiled without debugging symbols, the previous function
- is compiled with debugging symbols, and the "foo.o" symbol
- that is supposed to tell us where the file with debugging symbols
- ends has been truncated by ar because it is longer than 15
- characters). This also occurs if the user uses asm() to create
- a function but not stabs for it (in a file compiled -g).
-
- So look in the minimal symbol tables as well, and if it comes
- up with a larger address for the function use that instead.
- I don't think this can ever cause any problems; there 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 changed (and we'll
- create a find_pc_minimal_function or some such). */
+ function (when we are in the first function in a file which
+ is compiled without debugging symbols, the previous function
+ is compiled with debugging symbols, and the "foo.o" symbol
+ that is supposed to tell us where the file with debugging symbols
+ ends has been truncated by ar because it is longer than 15
+ characters). This also occurs if the user uses asm() to create
+ a function but not stabs for it (in a file compiled -g).
+
+ So look in the minimal symbol tables as well, and if it comes
+ up with a larger address for the function use that instead.
+ I don't think this can ever cause any problems; there 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 changed (and we'll
+ create a find_pc_minimal_function or some such). */
struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (fi->pc);
if (msymbol != NULL
- && (SYMBOL_VALUE_ADDRESS (msymbol)
+ && (SYMBOL_VALUE_ADDRESS (msymbol)
> BLOCK_START (SYMBOL_BLOCK_VALUE (func))))
{
#if 0
}
else
{
+ /* I'd like to use SYMBOL_SOURCE_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. RT
+ * (Yes, I know that printf_symbol_filtered() will
+ * again try to demangle the name on the fly, but
+ * the issue is that if cplus_demangle() fails here,
+ * it'll fail there too. So we want to catch the failure
+ * ("demangled==NULL" case below) here, while we still
+ * have our hands on the function symbol.)
+ */
+ char *demangled;
funname = SYMBOL_NAME (func);
funlang = SYMBOL_LANGUAGE (func);
+ if (funlang == language_cplus)
+ {
+ demangled = cplus_demangle (funname, DMGL_ANSI);
+ if (demangled == NULL)
+ /* If the demangler fails, try the demangled name
+ * from the symbol table. This'll have parameters,
+ * but that's preferable to diplaying a mangled name.
+ */
+ funname = SYMBOL_SOURCE_NAME (func);
+ }
}
}
else
{
- register struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (fi->pc);
+ struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (fi->pc);
if (msymbol != NULL)
{
funname = SYMBOL_NAME (msymbol);
struct print_args_args args;
args.fi = fi;
args.func = func;
- catch_errors (print_args_stub, (char *)&args, "", RETURN_MASK_ERROR);
+ args.stream = gdb_stdout;
+ catch_errors (print_args_stub, &args, "", RETURN_MASK_ALL);
+ QUIT;
}
printf_filtered (")");
if (sal.symtab && sal.symtab->filename)
{
annotate_frame_source_begin ();
- wrap_here (" ");
+ wrap_here (" ");
printf_filtered (" at ");
annotate_frame_source_file ();
printf_filtered ("%s", sal.symtab->filename);
}
#ifdef PC_LOAD_SEGMENT
- /* If we couldn't print out function name but if can figure out what
- load segment this pc value is from, at least print out some info
- about its load segment. */
+ /* If we couldn't print out function name but if can figure out what
+ load segment this pc value is from, at least print out some info
+ about its load segment. */
if (!funname)
{
annotate_frame_where ();
}
#endif
#ifdef PC_SOLIB
- if (!funname)
+ if (!funname || (!sal.symtab || !sal.symtab->filename))
{
char *lib = PC_SOLIB (fi->pc);
if (lib)
fi->pc);
if (!done)
{
- if (addressprint && mid_statement)
+ if (addressprint && mid_statement && !tui_version)
{
print_address_numeric (fi->pc, 1, gdb_stdout);
printf_filtered ("\t");
}
if (print_frame_info_listing_hook)
print_frame_info_listing_hook (sal.symtab, sal.line, sal.line + 1, 0);
- else
+ else if (!tui_version)
print_source_lines (sal.symtab, sal.line, sal.line + 1, 0);
}
- current_source_line = max (sal.line - lines_to_list/2, 1);
+ current_source_line = max (sal.line - lines_to_list / 2, 1);
}
+
if (source != 0)
set_default_breakpoint (1, fi->pc, sal.symtab, sal.line);
gdb_flush (gdb_stdout);
}
+\f
+
+#if 0
+void
+stack_publish_stopped_with_no_frame ()
+{
+ TUIDO (((TuiOpaqueFuncPtr) tuiUpdateOnEnd));
+
+ return;
+}
+#endif
+
+/* Show or print the frame info. If this is the tui, it will be shown in
+ the source display */
+void
+print_frame_info (fi, level, source, args)
+ struct frame_info *fi;
+ register int level;
+ int source;
+ int args;
+{
+ if (!tui_version)
+ print_frame_info_base (fi, level, source, args);
+ else
+ {
+ if (fi && (frame_in_dummy (fi) || fi->signal_handler_caller))
+ print_frame_info_base (fi, level, source, args);
+ else
+ {
+ TUIDO (((TuiOpaqueFuncPtr) tui_vShowFrameInfo, fi));
+ }
+ }
+}
+
+/* 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 (fi)
+ struct frame_info *fi;
+{
+ TUIDO (((TuiOpaqueFuncPtr) tui_vShowFrameInfo, fi));
+}
+\f
/* Read a frame specification in whatever the appropriate format is.
Call error() if the specification is in any way invalid (i.e.
this function never returns NULL). */
-static struct frame_info *
+struct frame_info *
parse_frame_specification (frame_exp)
char *frame_exp;
{
int numargs = 0;
#define MAXARGS 4
CORE_ADDR args[MAXARGS];
-
+
if (frame_exp)
{
char *addr_string, *p;
struct cleanup *tmp_cleanup;
- while (*frame_exp == ' ') frame_exp++;
+ while (*frame_exp == ' ')
+ frame_exp++;
while (*frame_exp)
{
if (numargs > MAXARGS)
error ("Too many args in frame specification");
/* Parse an argument. */
- for (p = frame_exp; *p && *p != ' '; p++)
+ for (p = frame_exp; *p && *p != ' '; p++)
;
- addr_string = savestring(frame_exp, p - frame_exp);
+ addr_string = savestring (frame_exp, p - frame_exp);
{
tmp_cleanup = make_cleanup (free, addr_string);
}
/* Skip spaces, move to possible next arg. */
- while (*p == ' ') p++;
+ while (*p == ' ')
+ p++;
frame_exp = p;
}
}
{
int level = args[0];
struct frame_info *fid =
- find_relative_frame (get_current_frame (), &level);
+ find_relative_frame (get_current_frame (), &level);
struct frame_info *tfid;
if (level == 0)
while ((tfid = get_prev_frame (fid)) &&
(tfid->frame == args[0]))
fid = tfid;
-
+
/* We couldn't identify the frame as an existing frame, but
perhaps we can create one with a single argument. */
}
- default:
+ default:
#ifdef SETUP_ARBITRARY_FRAME
return SETUP_ARBITRARY_FRAME (numargs, args);
#else
/* Usual case. Do it here rather than have everyone supply
- a SETUP_ARBITRARY_FRAME that does this. */
+ a SETUP_ARBITRARY_FRAME that does this. */
if (numargs == 1)
return create_new_frame (args[0], 0);
error ("Too many args in frame specification");
int from_tty;
{
struct frame_info *fi;
- struct frame_saved_regs fsr;
struct symtab_and_line sal;
struct symbol *func;
struct symtab *s;
&& !fi->next->signal_handler_caller
&& !frame_in_dummy (fi->next));
func = get_frame_function (fi);
- s = find_pc_symtab(fi->pc);
+ s = find_pc_symtab (fi->pc);
if (func)
{
+ /* I'd like to use SYMBOL_SOURCE_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. RT
+ * (Yes, I know that printf_symbol_filtered() will
+ * again try to demangle the name on the fly, but
+ * the issue is that if cplus_demangle() fails here,
+ * it'll fail there too. So we want to catch the failure
+ * ("demangled==NULL" case below) here, while we still
+ * have our hands on the function symbol.)
+ */
+ char *demangled;
funname = SYMBOL_NAME (func);
funlang = SYMBOL_LANGUAGE (func);
+ if (funlang == language_cplus)
+ {
+ demangled = cplus_demangle (funname, DMGL_ANSI);
+ /* If the demangler fails, try the demangled name
+ * from the symbol table. This'll have parameters,
+ * but that's preferable to diplaying a mangled name.
+ */
+ if (demangled == NULL)
+ funname = SYMBOL_SOURCE_NAME (func);
+ }
}
else
{
print_address_numeric (fi->frame, 1, gdb_stdout);
printf_filtered (":\n");
}
- printf_filtered (" %s = ", reg_names[PC_REGNUM]);
+ printf_filtered (" %s = ", REGISTER_NAME (PC_REGNUM));
print_address_numeric (fi->pc, 1, gdb_stdout);
wrap_here (" ");
printf_filtered (" (%s:%d)", sal.symtab->filename, sal.line);
puts_filtered ("; ");
wrap_here (" ");
- printf_filtered ("saved %s ", reg_names[PC_REGNUM]);
+ printf_filtered ("saved %s ", REGISTER_NAME (PC_REGNUM));
print_address_numeric (FRAME_SAVED_PC (fi), 1, gdb_stdout);
printf_filtered ("\n");
{
- int frameless = 0;
-#ifdef FRAMELESS_FUNCTION_INVOCATION
- FRAMELESS_FUNCTION_INVOCATION (fi, frameless);
-#endif
+ int frameless;
+ frameless = FRAMELESS_FUNCTION_INVOCATION (fi);
if (frameless)
printf_filtered (" (FRAMELESS),");
}
print_address_numeric (arg_list, 1, gdb_stdout);
printf_filtered (",");
- FRAME_NUM_ARGS (numargs, fi);
+ numargs = FRAME_NUM_ARGS (fi);
if (numargs < 0)
puts_filtered (" args: ");
else if (numargs == 0)
}
}
-#if defined (FRAME_FIND_SAVED_REGS)
- get_frame_saved_regs (fi, &fsr);
- /* The sp is special; what's returned isn't the save address, but
- actually the value of the previous frame's sp. */
- printf_filtered (" Previous frame's sp is ");
- print_address_numeric (fsr.regs[SP_REGNUM], 1, gdb_stdout);
- printf_filtered ("\n");
- count = 0;
- numregs = ARCH_NUM_REGS;
- for (i = 0; i < numregs; i++)
- if (fsr.regs[i] && i != SP_REGNUM)
- {
- if (count == 0)
- puts_filtered (" Saved registers:\n ");
- else
- puts_filtered (",");
- wrap_here (" ");
- printf_filtered (" %s at ", reg_names[i]);
- print_address_numeric (fsr.regs[i], 1, gdb_stdout);
- count++;
- }
- if (count)
- puts_filtered ("\n");
-#else /* Have FRAME_FIND_SAVED_REGS. */
- /* We could get some information about saved registers by calling
- get_saved_register on each register. Which info goes with which frame
- is necessarily lost, however, and I suspect that the users don't care
- whether they get the info. */
- puts_filtered ("\n");
-#endif /* Have FRAME_FIND_SAVED_REGS. */
+ FRAME_INIT_SAVED_REGS (fi);
+ if (fi->saved_regs != NULL)
+ {
+ /* The sp is special; what's returned isn't the save address, but
+ actually the value of the previous frame's sp. */
+ printf_filtered (" Previous frame's sp is ");
+ print_address_numeric (fi->saved_regs[SP_REGNUM], 1, gdb_stdout);
+ printf_filtered ("\n");
+ count = 0;
+ numregs = ARCH_NUM_REGS;
+ for (i = 0; i < numregs; i++)
+ if (fi->saved_regs[i] && i != SP_REGNUM)
+ {
+ if (count == 0)
+ puts_filtered (" Saved registers:\n ");
+ else
+ puts_filtered (",");
+ wrap_here (" ");
+ printf_filtered (" %s at ", REGISTER_NAME (i));
+ print_address_numeric (fi->saved_regs[i], 1, gdb_stdout);
+ count++;
+ }
+ if (count)
+ puts_filtered ("\n");
+ }
+ else
+ {
+ /* We could get some information about saved registers by
+ calling get_saved_register on each register. Which info goes
+ with which frame is necessarily lost, however, and I suspect
+ that the users don't care whether they get the info. */
+ puts_filtered ("\n");
+ }
}
#if 0
/* Print briefly all stack frames or just the innermost COUNT frames. */
+static void backtrace_command_1 PARAMS ((char *count_exp, int show_locals, int from_tty));
static void
-backtrace_command (count_exp, from_tty)
+backtrace_command_1 (count_exp, show_locals, from_tty)
char *count_exp;
+ int show_locals;
int from_tty;
{
struct frame_info *fi;
QUIT;
current = get_prev_frame (current);
}
-
+
/* Will stop when CURRENT reaches the top of the stack. TRAILING
will be COUNT below it. */
while (current)
current = get_prev_frame (current);
trailing_level++;
}
-
+
count = -1;
}
}
if (info_verbose)
{
struct partial_symtab *ps;
-
+
/* Read in symbols for all of the frames. Need to do this in
- a separate pass so that "Reading in symbols for xxx" messages
- don't screw up the appearance of the backtrace. Also
- if people have strong opinions against reading symbols for
- backtrace this may have to be an option. */
+ a separate pass so that "Reading in symbols for xxx" messages
+ don't screw up the appearance of the backtrace. Also
+ if people have strong opinions against reading symbols for
+ backtrace this may have to be an option. */
i = count;
for (fi = trailing;
fi != NULL && i--;
QUIT;
/* Don't use print_stack_frame; if an error() occurs it probably
- means further attempts to backtrace would fail (on the other
- hand, perhaps the code does or could be fixed to make sure
- the frame->prev field gets set to NULL in that case). */
- print_frame_info (fi, trailing_level + i, 0, 1);
+ means further attempts to backtrace would fail (on the other
+ hand, perhaps the code does or could be fixed to make sure
+ the frame->prev field gets set to NULL in that case). */
+ print_frame_info_base (fi, trailing_level + i, 0, 1);
+ if (show_locals)
+ print_frame_local_vars (fi, 1, gdb_stdout);
}
/* If we've stopped before the end, mention that. */
if (fi && from_tty)
printf_filtered ("(More stack frames follow...)\n");
}
+
+static void
+backtrace_command (arg, from_tty)
+ char *arg;
+ int from_tty;
+{
+ struct cleanup *old_chain = (struct cleanup *) NULL;
+ char **argv = (char **) NULL;
+ int argIndicatingFullTrace = (-1), totArgLen = 0, argc = 0;
+ char *argPtr = arg;
+
+ if (arg != (char *) NULL)
+ {
+ int i;
+
+ argv = buildargv (arg);
+ old_chain = make_cleanup_freeargv (argv);
+ argc = 0;
+ for (i = 0; (argv[i] != (char *) NULL); i++)
+ {
+ int j;
+
+ for (j = 0; (j < strlen (argv[i])); j++)
+ argv[i][j] = tolower (argv[i][j]);
+
+ if (argIndicatingFullTrace < 0 && subset_compare (argv[i], "full"))
+ argIndicatingFullTrace = argc;
+ else
+ {
+ argc++;
+ totArgLen += strlen (argv[i]);
+ }
+ }
+ totArgLen += argc;
+ if (argIndicatingFullTrace >= 0)
+ {
+ if (totArgLen > 0)
+ {
+ argPtr = (char *) xmalloc (totArgLen + 1);
+ if (!argPtr)
+ nomem (0);
+ else
+ {
+ memset (argPtr, 0, totArgLen + 1);
+ for (i = 0; (i < (argc + 1)); i++)
+ {
+ if (i != argIndicatingFullTrace)
+ {
+ strcat (argPtr, argv[i]);
+ strcat (argPtr, " ");
+ }
+ }
+ }
+ }
+ else
+ argPtr = (char *) NULL;
+ }
+ }
+
+ backtrace_command_1 (argPtr, (argIndicatingFullTrace >= 0), from_tty);
+
+ if (argIndicatingFullTrace >= 0 && totArgLen > 0)
+ free (argPtr);
+
+ if (old_chain)
+ do_cleanups (old_chain);
+}
+
+static void backtrace_full_command PARAMS ((char *arg, int from_tty));
+static void
+backtrace_full_command (arg, from_tty)
+ char *arg;
+ int from_tty;
+{
+ backtrace_command_1 (arg, 1, from_tty);
+}
\f
+
/* Print the local variables of a block B active in FRAME.
Return 1 if any variables were printed; 0 otherwise. */
static int
-print_block_frame_locals (b, fi, stream)
+print_block_frame_locals (b, fi, num_tabs, stream)
struct block *b;
register struct frame_info *fi;
+ int num_tabs;
register GDB_FILE *stream;
{
int nsyms;
- register int i;
+ register int i, j;
register struct symbol *sym;
register int values_printed = 0;
case LOC_STATIC:
case LOC_BASEREG:
values_printed = 1;
+ for (j = 0; j < num_tabs; j++)
+ fputs_filtered ("\t", stream);
fputs_filtered (SYMBOL_SOURCE_NAME (sym), stream);
fputs_filtered (" = ", stream);
print_variable_value (sym, fi, stream);
on the function running in FRAME. */
static void
-print_frame_local_vars (fi, stream)
+print_frame_local_vars (fi, num_tabs, stream)
register struct frame_info *fi;
+ register int num_tabs;
register GDB_FILE *stream;
{
register struct block *block = get_frame_block (fi);
fprintf_filtered (stream, "No symbol table info available.\n");
return;
}
-
+
while (block != 0)
{
- if (print_block_frame_locals (block, fi, stream))
+ if (print_block_frame_locals (block, fi, num_tabs, stream))
values_printed = 1;
/* After handling the function's top-level block, stop.
- Don't continue to its superblock, the block of
- per-file symbols. */
+ Don't continue to its superblock, the block of
+ per-file symbols. */
if (BLOCK_FUNCTION (block))
break;
block = BLOCK_SUPERBLOCK (block);
return;
/* After handling the function's top-level block, stop.
- Don't continue to its superblock, the block of
- per-file symbols. */
+ Don't continue to its superblock, the block of
+ per-file symbols. */
if (BLOCK_FUNCTION (block))
break;
block = BLOCK_SUPERBLOCK (block);
}
/* ARGSUSED */
-static void
+void
locals_info (args, from_tty)
char *args;
int from_tty;
{
if (!selected_frame)
error ("No frame selected.");
- print_frame_local_vars (selected_frame, gdb_stdout);
+ print_frame_local_vars (selected_frame, 0, gdb_stdout);
}
static void
char *ignore;
int from_tty;
{
- if (!selected_frame)
- error ("No frame selected.");
- print_frame_label_vars (selected_frame, 0, gdb_stdout);
+ 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");
+#if 0
+ if (!selected_frame)
+ error ("No frame selected.");
+#endif
+ }
+ else
+ {
+ /* Assume g++ compiled code -- old v 4.16 behaviour */
+ if (!selected_frame)
+ error ("No frame selected.");
+
+ print_frame_label_vars (selected_frame, 0, gdb_stdout);
+ }
}
static void
are not combined in symbol-reading. */
sym2 = lookup_symbol (SYMBOL_NAME (sym),
- b, VAR_NAMESPACE, (int *)NULL, (struct symtab **)NULL);
+ b, VAR_NAMESPACE, (int *) NULL, (struct symtab **) NULL);
print_variable_value (sym2, fi, stream);
fprintf_filtered (stream, "\n");
break;
}
}
-static void
+void
args_info (ignore, from_tty)
char *ignore;
int from_tty;
error ("No frame selected.");
print_frame_arg_vars (selected_frame, gdb_stdout);
}
+
+
+static void
+args_plus_locals_info (ignore, from_tty)
+ char *ignore;
+ int from_tty;
+{
+ args_info (ignore, from_tty);
+ locals_info (ignore, from_tty);
+}
\f
+
/* Select frame FI, and note that its stack level is LEVEL.
LEVEL may be -1 if an actual level number is not known. */
selected_frame = fi;
selected_frame_level = level;
+ if (selected_frame_level_changed_hook)
+ selected_frame_level_changed_hook (level);
/* Ensure that symbols for this frame are read in. Also, determine the
source language of this frame, and switch to it if desired. */
if (fi)
- {
- s = find_pc_symtab (fi->pc);
- if (s
- && s->language != current_language->la_language
- && s->language != language_unknown
- && language_mode == language_mode_auto) {
- set_language(s->language);
+ {
+ s = find_pc_symtab (fi->pc);
+ if (s
+ && s->language != current_language->la_language
+ && s->language != language_unknown
+ && language_mode == language_mode_auto)
+ {
+ set_language (s->language);
+ }
+ /* elz: this if here fixes the problem with the pc not being displayed
+ in the tui asm layout, with no debug symbols. The value of s
+ would be 0 here, and select_source_symtab would abort the
+ command by calling the 'error' function */
+ if (s)
+ {
+ TUIDO (((TuiOpaqueFuncPtr) tui_vSelectSourceSymtab, s));
+ }
}
- }
}
+\f
+
+/* Select frame FI, noting that its stack level is LEVEL. Also print
+ the stack frame and show the source if this is the tui version. */
+void
+select_and_print_frame (fi, level)
+ struct frame_info *fi;
+ int level;
+{
+ select_frame (fi, level);
+ if (fi)
+ {
+ print_stack_frame (fi, level, 1);
+ TUIDO (((TuiOpaqueFuncPtr) tui_vCheckDataValues, fi));
+ }
+}
+\f
+
+/* Select frame FI, noting that its stack level is LEVEL. Be silent if
+ not the TUI */
+#if 0
+void
+select_and_maybe_print_frame (fi, level)
+ struct frame_info *fi;
+ int level;
+{
+ if (!tui_version)
+ select_frame (fi, level);
+ else
+ select_and_print_frame (fi, level);
+}
+#endif
+
/* Store the selected frame and its level into *FRAMEP and *LEVELP.
If there is no selected frame, *FRAMEP is set to NULL. */
/* Going down is just as simple. */
if (*level_offset_ptr < 0)
{
- while (*level_offset_ptr < 0) {
- frame1 = get_next_frame (frame);
- if (!frame1)
- break;
- frame = frame1;
- (*level_offset_ptr)++;
- }
+ while (*level_offset_ptr < 0)
+ {
+ frame1 = get_next_frame (frame);
+ if (!frame1)
+ break;
+ frame = frame1;
+ (*level_offset_ptr)++;
+ }
}
return frame;
}
/* Try to figure out what level this frame is. But if there is
no current stack, don't error out -- let the user set one. */
frame1 = 0;
- if (get_current_frame()) {
- for (frame1 = get_prev_frame (0);
- frame1 && frame1 != frame;
- frame1 = get_prev_frame (frame1))
- level++;
- }
+ if (get_current_frame ())
+ {
+ for (frame1 = get_prev_frame (0);
+ frame1 && frame1 != frame;
+ frame1 = get_prev_frame (frame1))
+ level++;
+ }
if (!frame1)
level = 0;
With arg, behaves like select_frame and then prints the selected
frame. */
-static void
+void
frame_command (level_exp, from_tty)
char *level_exp;
int from_tty;
{
select_frame_command (level_exp, from_tty);
- print_stack_frame (selected_frame, selected_frame_level, 1);
+ show_and_print_stack_frame (selected_frame, selected_frame_level, 1);
+}
+
+/* The XDB Compatibility command to print the current frame. */
+
+static void
+current_frame_command (level_exp, from_tty)
+ char *level_exp;
+ int from_tty;
+{
+ if (target_has_stack == 0 || selected_frame == 0)
+ error ("No stack.");
+ print_only_stack_frame (selected_frame, selected_frame_level, 1);
}
/* Select the frame up one or COUNT stack levels
/* ARGSUSED */
static void
-up_silently_command (count_exp, from_tty)
+up_silently_base (count_exp)
char *count_exp;
- int from_tty;
{
register struct frame_info *fi;
int count = 1, count1;
if (count_exp)
count = parse_and_eval_address (count_exp);
count1 = count;
-
+
if (target_has_stack == 0 || selected_frame == 0)
error ("No stack.");
select_frame (fi, selected_frame_level + count - count1);
}
+static void
+up_silently_command (count_exp, from_tty)
+ char *count_exp;
+ int from_tty;
+{
+ up_silently_base (count_exp);
+ if (tui_version)
+ print_stack_frame (selected_frame, selected_frame_level, 1);
+}
+
static void
up_command (count_exp, from_tty)
char *count_exp;
int from_tty;
{
- up_silently_command (count_exp, from_tty);
- print_stack_frame (selected_frame, selected_frame_level, 1);
+ up_silently_base (count_exp);
+ show_and_print_stack_frame (selected_frame, selected_frame_level, 1);
}
/* Select the frame down one or COUNT stack levels
/* ARGSUSED */
static void
-down_silently_command (count_exp, from_tty)
+down_silently_base (count_exp)
char *count_exp;
- int from_tty;
{
register struct frame_info *frame;
int count = -1, count1;
if (count_exp)
- count = - parse_and_eval_address (count_exp);
+ count = -parse_and_eval_address (count_exp);
count1 = count;
-
+
if (target_has_stack == 0 || selected_frame == 0)
error ("No stack.");
{
/* 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
- impossible), but "down 9999" can be used to mean go all the way
- down without getting an error. */
+ means to really go down (and let me know if that is
+ impossible), but "down 9999" can be used to mean go all the way
+ down without getting an error. */
error ("Bottom (i.e., innermost) frame selected; you cannot go down.");
}
select_frame (frame, selected_frame_level + count - count1);
}
+/* ARGSUSED */
+static void
+down_silently_command (count_exp, from_tty)
+ char *count_exp;
+ int from_tty;
+{
+ down_silently_base (count_exp);
+ if (tui_version)
+ print_stack_frame (selected_frame, selected_frame_level, 1);
+}
static void
down_command (count_exp, from_tty)
char *count_exp;
int from_tty;
{
- down_silently_command (count_exp, from_tty);
- print_stack_frame (selected_frame, selected_frame_level, 1);
+ down_silently_base (count_exp);
+ show_and_print_stack_frame (selected_frame, selected_frame_level, 1);
}
\f
static void
return_value = value_cast (return_type, return_value);
/* Make sure we have fully evaluated it, since
- it might live in the stack frame we're about to pop. */
+ it might live in the stack frame we're about to pop. */
if (VALUE_LAZY (return_value))
value_fetch_lazy (return_value);
}
/* NOTREACHED */
}
}
- else
- if (!query ("Make selected stack frame return now? "))
- error ("Not confirmed.");
+ else if (!query ("Make selected stack frame return now? "))
+ error ("Not confirmed.");
}
/* Do the real work. Pop until the specified frame is current. We
a POP_FRAME. The pc comparison makes this work even if the
selected frame shares its fp with another frame. */
- while (selected_frame_addr != (frame = get_current_frame())->frame
+ while (selected_frame_addr != (frame = get_current_frame ())->frame
|| selected_frame_pc != frame->pc)
POP_FRAME;
select_frame_command ("0", 0);
}
+/* Sets the scope to input function name, provided that the
+ function is within the current stack frame */
+
+struct function_bounds
+{
+ CORE_ADDR low, high;
+};
+
+static void func_command PARAMS ((char *arg, int from_tty));
+static void
+func_command (arg, from_tty)
+ char *arg;
+ int from_tty;
+{
+ struct frame_info *fp;
+ int found = 0;
+ struct symtabs_and_lines sals;
+ int i;
+ int level = 1;
+ struct function_bounds *func_bounds = (struct function_bounds *) NULL;
+
+ if (arg != (char *) NULL)
+ return;
+
+ fp = parse_frame_specification ("0");
+ sals = decode_line_spec (arg, 1);
+ func_bounds = (struct function_bounds *) xmalloc (
+ sizeof (struct function_bounds) * sals.nelts);
+ for (i = 0; (i < sals.nelts && !found); i++)
+ {
+ if (sals.sals[i].pc == (CORE_ADDR) 0 ||
+ find_pc_partial_function (sals.sals[i].pc,
+ (char **) NULL,
+ &func_bounds[i].low,
+ &func_bounds[i].high) == 0)
+ {
+ func_bounds[i].low =
+ func_bounds[i].high = (CORE_ADDR) NULL;
+ }
+ }
+
+ do
+ {
+ for (i = 0; (i < sals.nelts && !found); i++)
+ found = (fp->pc >= func_bounds[i].low &&
+ fp->pc < func_bounds[i].high);
+ if (!found)
+ {
+ level = 1;
+ fp = find_relative_frame (fp, &level);
+ }
+ }
+ while (!found && level == 0);
+
+ if (func_bounds)
+ free (func_bounds);
+
+ if (!found)
+ printf_filtered ("'%s' not within current stack frame.\n", arg);
+ else if (fp != selected_frame)
+ select_and_print_frame (fp, level);
+}
+
/* Gets the language of the current frame. */
enum language
-get_frame_language()
+get_frame_language ()
{
register struct symtab *s;
enum language flang; /* The language of the current frame */
-
+
if (selected_frame)
{
- s = find_pc_symtab(selected_frame->pc);
+ s = find_pc_symtab (selected_frame->pc);
if (s)
flang = s->language;
else
void
_initialize_stack ()
{
-#if 0
+#if 0
backtrace_limit = 30;
#endif
add_com_alias ("f", "frame", class_stack, 1);
+ if (xdb_commands)
+ {
+ add_com ("L", class_stack, current_frame_command,
+ "Print the current stack frame.\n");
+ add_com_alias ("V", "frame", class_stack, 1);
+ }
add_com ("select-frame", class_stack, select_frame_command,
"Select a stack frame without printing anything.\n\
An argument specifies the frame to select.\n\
add_com ("backtrace", class_stack, backtrace_command,
"Print backtrace of all stack frames, or innermost COUNT frames.\n\
-With a negative argument, print outermost -COUNT frames.");
+With a negative argument, print outermost -COUNT frames.\n\
+Use of the 'full' qualifier also prints the values of the local variables.\n");
add_com_alias ("bt", "backtrace", class_stack, 0);
+ if (xdb_commands)
+ {
+ add_com_alias ("t", "backtrace", class_stack, 0);
+ add_com ("T", class_stack, backtrace_full_command,
+ "Print backtrace of all stack frames, or innermost COUNT frames \n\
+and the values of the local variables.\n\
+With a negative argument, print outermost -COUNT frames.\n\
+Usage: T <count>\n");
+ }
+
add_com_alias ("where", "backtrace", class_alias, 0);
add_info ("stack", backtrace_command,
"Backtrace of the stack, or innermost COUNT frames.");
"Local variables of current stack frame.");
add_info ("args", args_info,
"Argument variables of current stack frame.");
+ if (xdb_commands)
+ add_com ("l", class_info, args_plus_locals_info,
+ "Argument and local variables of current stack frame.");
+
+ if (dbx_commands)
+ add_com ("func", class_stack, func_command,
+ "Select the stack frame that contains <func>.\nUsage: func <name>\n");
+
add_info ("catch", catch_info,
"Exceptions that can be caught in the current stack frame.");
#if 0
- add_cmd ("backtrace-limit", class_stack, set_backtrace_limit_command,
- "Specify maximum number of frames for \"backtrace\" to print by default.",
+ add_cmd ("backtrace-limit", class_stack, set_backtrace_limit_command,
+ "Specify maximum number of frames for \"backtrace\" to print by default.",
&setlist);
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
}
projects / deliverable / binutils-gdb.git / blobdiff