/* Print and select stack frames for GDB, the GNU debugger.
- Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
+ Copyright 1986, 87, 89, 91, 92, 93, 94, 95, 96, 1998
+ Free Software Foundation, Inc.
This file is part of GDB.
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+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 "symtab.h"
#include "gdbtypes.h"
#include "breakpoint.h"
#include "demangle.h"
#include "inferior.h"
+#include "annotate.h"
+#include "symfile.h"
+#include "objfiles.h"
-static void
-return_command PARAMS ((char *, int));
+/* Prototypes for exported functions. */
-static void
-down_command PARAMS ((char *, int));
+void args_info PARAMS ((char *, int));
-static void
-down_silently_command PARAMS ((char *, int));
+void locals_info PARAMS ((char *, int));
-static void
-up_command PARAMS ((char *, int));
+void (*selected_frame_level_changed_hook) PARAMS ((int));
-static void
-up_silently_command PARAMS ((char *, int));
+void _initialize_stack PARAMS ((void));
-static void
-frame_command PARAMS ((char *, int));
+/* Prototypes for local functions. */
-static void
-select_frame_command PARAMS ((char *, int));
+static void return_command PARAMS ((char *, int));
-static void
-args_info PARAMS ((char *, int));
+static void down_command PARAMS ((char *, int));
-static void
-print_frame_arg_vars PARAMS ((FRAME, FILE *));
+static void down_silently_base PARAMS ((char *));
-static void
-catch_info PARAMS ((char *, int));
+static void down_silently_command PARAMS ((char *, int));
-static void
-locals_info PARAMS ((char *, int));
+static void up_command PARAMS ((char *, int));
-static void
-print_frame_label_vars PARAMS ((FRAME, int, FILE *));
+static void up_silently_base PARAMS ((char *));
-static void
-print_frame_local_vars PARAMS ((FRAME, FILE *));
+static void up_silently_command PARAMS ((char *, int));
-static int
-print_block_frame_labels PARAMS ((struct block *, int *, FILE *));
+void frame_command PARAMS ((char *, int));
-static int
-print_block_frame_locals PARAMS ((struct block *, FRAME, FILE *));
+static void select_frame_command PARAMS ((char *, int));
-static void
-backtrace_command PARAMS ((char *, int));
+static void print_frame_arg_vars PARAMS ((struct frame_info *, GDB_FILE *));
-static FRAME
-parse_frame_specification PARAMS ((char *));
+static void catch_info PARAMS ((char *, int));
-static void
-frame_info PARAMS ((char *, int));
+static void args_plus_locals_info PARAMS ((char *, int));
+
+static void print_frame_label_vars PARAMS ((struct frame_info *,
+ int,
+ 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));
+
+struct frame_info *parse_frame_specification PARAMS ((char *));
+static void frame_info PARAMS ((char *, int));
extern int addressprint; /* Print addresses, or stay symbolic only? */
extern int info_verbose; /* Verbosity of symbol reading msgs */
/* The "selected" stack frame is used by default for local and arg access.
May be zero, for no selected frame. */
-FRAME selected_frame;
+struct frame_info *selected_frame;
/* Level of the selected frame:
0 for innermost, 1 for its caller, ...
int selected_frame_level;
-/* Nonzero means print the full filename and linenumber
- when a frame is printed, and do so in a format programs can parse. */
+/* Zero means do things normally; we are interacting directly with the
+ user. One means print the full filename and linenumber when a
+ frame is printed, and do so in a format emacs18/emacs19.22 can
+ parse. Two means print similar annotations, but in many more
+ cases and in a slightly different syntax. */
-int frame_file_full_name = 0;
+int annotation_level = 0;
\f
-/* Print a stack frame briefly. FRAME should be the frame id
+struct print_stack_frame_args {
+ struct frame_info *fi;
+ int level;
+ int source;
+ int args;
+};
+
+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 (args)
+ char *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 (args)
+ char *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;
+
+ 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 (args)
+ char *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;
+}
+
+/* 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. */
+
+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, (char *)&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 SOURCE is -1, print ONLY the source line. */
void
-print_stack_frame (frame, level, source)
- FRAME frame;
+show_and_print_stack_frame (fi, level, source)
+ struct frame_info *fi;
int level;
int source;
{
- struct frame_info *fi;
+ struct print_stack_frame_args args;
- fi = get_frame_info (frame);
+ args.fi = fi;
+ args.level = level;
+ args.source = source;
+ args.args = 1;
- print_frame_info (fi, level, source, 1);
+ catch_errors (show_and_print_stack_frame_stub, (char *)&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;
+ 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, (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,
+ (char *)&args, "", RETURN_MASK_ALL);
}
struct print_args_args {
static int print_args_stub PARAMS ((char *));
/* Pass the args the way catch_errors wants them. */
+
static int
print_args_stub (args)
char *args;
{
int numargs;
struct print_args_args *p = (struct print_args_args *)args;
+
FRAME_NUM_ARGS (numargs, (p->fi));
- print_frame_args (p->func, p->fi, numargs, stdout);
+ print_frame_args (p->func, p->fi, numargs, gdb_stdout);
return 0;
}
-void
-print_frame_info (fi, level, source, args)
+/* 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
+ */
+
+static void
+print_frame_info_base (fi, level, source, args)
struct frame_info *fi;
- register int level;
+ int level;
int source;
int args;
{
struct symbol *func;
register char *funname = 0;
enum language funlang = language_unknown;
- int numargs;
- if (PC_IN_CALL_DUMMY (fi->pc, read_sp (), fi->frame))
+#if 0
+ char buf[MAX_REGISTER_RAW_SIZE];
+ CORE_ADDR sp;
+
+ /* 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);
+ sp = extract_address (buf, REGISTER_RAW_SIZE (SP_REGNUM));
+
+ /* This is not a perfect test, because if a function alloca's some
+ memory, puts some code there, and then jumps into it, then the test
+ will succeed even though there is no call dummy. Probably best is
+ to check for a bp_call_dummy breakpoint. */
+ if (PC_IN_CALL_DUMMY (fi->pc, sp, fi->frame))
+#else
+ if (frame_in_dummy (fi))
+#endif
{
+ 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. */
if (level >= 0)
printf_filtered ("#%-2d ", level);
+ annotate_function_call ();
printf_filtered ("<function called from gdb>\n");
+ annotate_frame_end ();
return;
}
if (fi->signal_handler_caller)
{
+ 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. */
if (level >= 0)
printf_filtered ("#%-2d ", level);
+ annotate_signal_handler_caller ();
printf_filtered ("<signal handler called>\n");
+ annotate_frame_end ();
return;
}
- sal = find_pc_line (fi->pc, fi->next);
+ /* If fi is not the innermost frame, that normally means that fi->pc
+ points to *after* the call instruction, and we want to get the line
+ containing the call, never the next line. But if the next frame is
+ a signal_handler_caller or a dummy frame, then the next frame was
+ not entered as the result of a call, and we want to get the line
+ containing fi->pc. */
+ sal =
+ find_pc_line (fi->pc,
+ fi->next != NULL
+ && !fi->next->signal_handler_caller
+ && !frame_in_dummy (fi->next));
+
func = find_pc_function (fi->pc);
if (func)
{
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).
+ 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.
- FIXME: (Not necessarily true. What about text labels) */
+ 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)
> BLOCK_START (SYMBOL_BLOCK_VALUE (func))))
{
+#if 0
+ /* There is no particular reason to think the line number
+ information is wrong. Someone might have just put in
+ a label with asm() but left the line numbers alone. */
/* In this case we have no way of knowing the source file
and line number, so don't print them. */
sal.symtab = 0;
+#endif
/* We also don't know anything about the function besides
its address and name. */
func = 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);
if (source >= 0 || !sal.symtab)
{
+ annotate_frame_begin (level == -1 ? 0 : level, fi->pc);
+
if (level >= 0)
printf_filtered ("#%-2d ", level);
if (addressprint)
if (fi->pc != sal.pc || !sal.symtab)
- printf_filtered ("%s in ", local_hex_string(fi->pc));
- fprintf_symbol_filtered (stdout, funname ? funname : "??", funlang,
- DMGL_NO_OPTS);
+ {
+ annotate_frame_address ();
+ print_address_numeric (fi->pc, 1, gdb_stdout);
+ annotate_frame_address_end ();
+ printf_filtered (" in ");
+ }
+ annotate_frame_function_name ();
+ fprintf_symbol_filtered (gdb_stdout, funname ? funname : "??", funlang,
+ DMGL_ANSI);
wrap_here (" ");
- fputs_filtered (" (", stdout);
+ annotate_frame_args ();
+ fputs_filtered (" (", gdb_stdout);
if (args)
{
struct print_args_args args;
args.fi = fi;
args.func = func;
- catch_errors (print_args_stub, (char *)&args, "", RETURN_MASK_ERROR);
+ catch_errors (print_args_stub, (char *)&args, "", RETURN_MASK_ALL);
+ QUIT;
}
printf_filtered (")");
if (sal.symtab && sal.symtab->filename)
{
+ annotate_frame_source_begin ();
wrap_here (" ");
- printf_filtered (" at %s:%d", sal.symtab->filename, sal.line);
+ printf_filtered (" at ");
+ annotate_frame_source_file ();
+ printf_filtered ("%s", sal.symtab->filename);
+ annotate_frame_source_file_end ();
+ printf_filtered (":");
+ annotate_frame_source_line ();
+ printf_filtered ("%d", sal.line);
+ annotate_frame_source_end ();
}
#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 (!funname) {
- wrap_here (" ");
- printf_filtered (" from %s", PC_LOAD_SEGMENT (fi->pc));
- }
+ if (!funname)
+ {
+ annotate_frame_where ();
+ wrap_here (" ");
+ printf_filtered (" from %s", PC_LOAD_SEGMENT (fi->pc));
+ }
+#endif
+#ifdef PC_SOLIB
+ if (!funname || (!sal.symtab || !sal.symtab->filename))
+ {
+ char *lib = PC_SOLIB (fi->pc);
+ if (lib)
+ {
+ annotate_frame_where ();
+ wrap_here (" ");
+ printf_filtered (" from %s", lib);
+ }
+ }
#endif
printf_filtered ("\n");
}
{
int done = 0;
int mid_statement = source < 0 && fi->pc != sal.pc;
- if (frame_file_full_name)
+ if (annotation_level)
done = identify_source_line (sal.symtab, sal.line, mid_statement,
fi->pc);
if (!done)
{
- if (addressprint && mid_statement)
- printf_filtered ("%s\t", local_hex_string(fi->pc));
- print_source_lines (sal.symtab, sal.line, sal.line + 1, 0);
+ 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 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);
}
if (source != 0)
set_default_breakpoint (1, fi->pc, sal.symtab, sal.line);
- fflush (stdout);
+ annotate_frame_end ();
+
+ gdb_flush (gdb_stdout);
}
+\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 FRAME
+void
+stack_publish_stopped_with_no_frame()
+{
+ TUIDO(((TuiOpaqueFuncPtr)tuiUpdateOnEnd));
+
+ return;
+}
+
+/* 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). */
+
+struct frame_info *
parse_frame_specification (frame_exp)
char *frame_exp;
{
int numargs = 0;
- int arg1, arg2, arg3;
#define MAXARGS 4
- int args[MAXARGS];
+ CORE_ADDR args[MAXARGS];
if (frame_exp)
{
case 1:
{
int level = args[0];
- FRAME fid = find_relative_frame (get_current_frame (), &level);
- FRAME tfid;
+ struct frame_info *fid =
+ find_relative_frame (get_current_frame (), &level);
+ struct frame_info *tfid;
if (level == 0)
/* find_relative_frame was successful */
return fid;
+ /* If SETUP_ARBITRARY_FRAME is defined, then frame specifications
+ take at least 2 addresses. It is important to detect this case
+ here so that "frame 100" does not give a confusing error message
+ like "frame specification requires two addresses". This of course
+ does not solve the "frame 100" problem for machines on which
+ a frame specification can be made with one address. To solve
+ that, we need a new syntax for a specifying a frame by address.
+ I think the cleanest syntax is $frame(0x45) ($frame(0x23,0x45) for
+ two args, etc.), but people might think that is too much typing,
+ so I guess *0x23,0x45 would be a possible alternative (commas
+ really should be used instead of spaces to delimit; using spaces
+ normally works in an expression). */
+#ifdef SETUP_ARBITRARY_FRAME
+ error ("No frame %d", args[0]);
+#endif
+
/* If (s)he specifies the frame with an address, he deserves what
(s)he gets. Still, give the highest one that matches. */
for (fid = get_current_frame ();
- fid && FRAME_FP (fid) != args[0];
+ fid && fid->frame != args[0];
fid = get_prev_frame (fid))
;
if (fid)
while ((tfid = get_prev_frame (fid)) &&
- (FRAME_FP (tfid) == args[0]))
+ (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.
- Fall through to default case; it's up to SETUP_ARBITRARY_FRAME
- to complain if it doesn't like a single arg. */
+ perhaps we can create one with a single argument. */
}
default:
char *addr_exp;
int from_tty;
{
- FRAME frame;
struct frame_info *fi;
- struct frame_saved_regs fsr;
struct symtab_and_line sal;
struct symbol *func;
struct symtab *s;
- FRAME calling_frame;
- int i, count;
+ struct frame_info *calling_frame_info;
+ int i, count, numregs;
char *funname = 0;
enum language funlang = language_unknown;
if (!target_has_stack)
error ("No stack.");
- frame = parse_frame_specification (addr_exp);
- if (!frame)
+ fi = parse_frame_specification (addr_exp);
+ if (fi == NULL)
error ("Invalid frame specified.");
- fi = get_frame_info (frame);
- sal = find_pc_line (fi->pc, fi->next);
- func = get_frame_function (frame);
+ sal = find_pc_line (fi->pc,
+ fi->next != NULL
+ && !fi->next->signal_handler_caller
+ && !frame_in_dummy (fi->next));
+ func = get_frame_function (fi);
s = find_pc_symtab(fi->pc);
if (func)
{
- funname = SYMBOL_NAME (func);
- funlang = SYMBOL_LANGUAGE (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
{
funlang = SYMBOL_LANGUAGE (msymbol);
}
}
- calling_frame = get_prev_frame (frame);
-
- if (!addr_exp && selected_frame_level >= 0) {
- printf_filtered ("Stack level %d, frame at %s:\n",
- selected_frame_level,
- local_hex_string(FRAME_FP(frame)));
- } else {
- printf_filtered ("Stack frame at %s:\n",
- local_hex_string(FRAME_FP(frame)));
- }
- printf_filtered (" %s = %s",
- reg_names[PC_REGNUM],
- local_hex_string(fi->pc));
+ calling_frame_info = get_prev_frame (fi);
+
+ if (!addr_exp && selected_frame_level >= 0)
+ {
+ printf_filtered ("Stack level %d, frame at ", selected_frame_level);
+ print_address_numeric (fi->frame, 1, gdb_stdout);
+ printf_filtered (":\n");
+ }
+ else
+ {
+ printf_filtered ("Stack frame at ");
+ print_address_numeric (fi->frame, 1, gdb_stdout);
+ printf_filtered (":\n");
+ }
+ printf_filtered (" %s = ", REGISTER_NAME (PC_REGNUM));
+ print_address_numeric (fi->pc, 1, gdb_stdout);
wrap_here (" ");
if (funname)
{
printf_filtered (" in ");
- fprintf_symbol_filtered (stdout, funname, funlang,
+ fprintf_symbol_filtered (gdb_stdout, funname, funlang,
DMGL_ANSI | DMGL_PARAMS);
}
wrap_here (" ");
printf_filtered (" (%s:%d)", sal.symtab->filename, sal.line);
puts_filtered ("; ");
wrap_here (" ");
- printf_filtered ("saved %s %s\n", reg_names[PC_REGNUM],
- local_hex_string(FRAME_SAVED_PC (frame)));
+ printf_filtered ("saved %s ", REGISTER_NAME (PC_REGNUM));
+ print_address_numeric (FRAME_SAVED_PC (fi), 1, gdb_stdout);
+ printf_filtered ("\n");
{
int frameless = 0;
printf_filtered (" (FRAMELESS),");
}
- if (calling_frame)
- printf_filtered (" called by frame at %s",
- local_hex_string(FRAME_FP (calling_frame)));
- if (fi->next && calling_frame)
+ if (calling_frame_info)
+ {
+ printf_filtered (" called by frame at ");
+ print_address_numeric (calling_frame_info->frame, 1, gdb_stdout);
+ }
+ if (fi->next && calling_frame_info)
puts_filtered (",");
wrap_here (" ");
if (fi->next)
- printf_filtered (" caller of frame at %s",
- local_hex_string (fi->next->frame));
- if (fi->next || calling_frame)
+ {
+ printf_filtered (" caller of frame at ");
+ print_address_numeric (fi->next->frame, 1, gdb_stdout);
+ }
+ if (fi->next || calling_frame_info)
puts_filtered ("\n");
if (s)
- printf_filtered(" source language %s.\n", language_str(s->language));
+ printf_filtered (" source language %s.\n", language_str (s->language));
#ifdef PRINT_EXTRA_FRAME_INFO
PRINT_EXTRA_FRAME_INFO (fi);
int numargs;
if (arg_list == 0)
- printf_filtered (" Arglist at unknown address.\n");
+ printf_filtered (" Arglist at unknown address.\n");
else
{
- printf_filtered (" Arglist at %s,", local_hex_string(arg_list));
+ printf_filtered (" Arglist at ");
+ print_address_numeric (arg_list, 1, gdb_stdout);
+ printf_filtered (",");
FRAME_NUM_ARGS (numargs, fi);
if (numargs < 0)
puts_filtered (" 1 arg: ");
else
printf_filtered (" %d args: ", numargs);
- print_frame_args (func, fi, numargs, stdout);
+ print_frame_args (func, fi, numargs, gdb_stdout);
puts_filtered ("\n");
}
}
CORE_ADDR arg_list = FRAME_LOCALS_ADDRESS (fi);
if (arg_list == 0)
- printf_filtered (" Locals at unknown address,");
+ printf_filtered (" Locals at unknown address,");
else
- printf_filtered (" Locals at %s,", local_hex_string(arg_list));
- }
-
-#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 %s\n",
- local_hex_string(fsr.regs[SP_REGNUM]));
- count = 0;
- for (i = 0; i < NUM_REGS; 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 %s", reg_names[i],
- local_hex_string(fsr.regs[i]));
- count++;
+ printf_filtered (" Locals at ");
+ print_address_numeric (arg_list, 1, gdb_stdout);
+ printf_filtered (",");
}
- if (count)
- 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
if (arg)
error ("\"Info backtrace-limit\" takes no arguments.");
- printf ("Backtrace limit: %d.\n", backtrace_limit);
+ printf_unfiltered ("Backtrace limit: %d.\n", backtrace_limit);
}
#endif
/* Print briefly all stack frames or just the innermost COUNT frames. */
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;
register int count;
- register FRAME frame;
register int i;
- register FRAME trailing;
+ register struct frame_info *trailing;
register int trailing_level;
if (!target_has_stack)
count = parse_and_eval_address (count_exp);
if (count < 0)
{
- FRAME current;
+ struct frame_info *current;
count = -count;
if people have strong opinions against reading symbols for
backtrace this may have to be an option. */
i = count;
- for (frame = trailing;
- frame != NULL && i--;
- frame = get_prev_frame (frame))
+ for (fi = trailing;
+ fi != NULL && i--;
+ fi = get_prev_frame (fi))
{
QUIT;
- fi = get_frame_info (frame);
ps = find_pc_psymtab (fi->pc);
if (ps)
PSYMTAB_TO_SYMTAB (ps); /* Force syms to come in */
}
}
- for (i = 0, frame = trailing;
- frame && count--;
- i++, frame = get_prev_frame (frame))
+ for (i = 0, fi = trailing;
+ fi && count--;
+ i++, fi = get_prev_frame (fi))
{
QUIT;
- fi = get_frame_info (frame);
- print_frame_info (fi, trailing_level + i, 0, 1);
+
+ /* 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_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 (frame && from_tty)
+ 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, (char *)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 && subsetCompare(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 (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, frame, stream)
+print_block_frame_locals (b, fi, num_tabs, stream)
struct block *b;
- register FRAME frame;
- register FILE *stream;
+ 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;
for (i = 0; i < nsyms; i++)
{
sym = BLOCK_SYM (b, i);
- if (SYMBOL_CLASS (sym) == LOC_LOCAL
- || SYMBOL_CLASS (sym) == LOC_REGISTER
- || SYMBOL_CLASS (sym) == LOC_STATIC)
+ switch (SYMBOL_CLASS (sym))
{
+ case LOC_LOCAL:
+ case LOC_REGISTER:
+ 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, frame, stream);
+ print_variable_value (sym, fi, stream);
fprintf_filtered (stream, "\n");
+ break;
+
+ default:
+ /* Ignore symbols which are not locals. */
+ break;
}
}
return values_printed;
print_block_frame_labels (b, have_default, stream)
struct block *b;
int *have_default;
- register FILE *stream;
+ register GDB_FILE *stream;
{
int nsyms;
register int i;
values_printed = 1;
fputs_filtered (SYMBOL_SOURCE_NAME (sym), stream);
if (addressprint)
- fprintf_filtered (stream, " %s",
- local_hex_string(SYMBOL_VALUE_ADDRESS (sym)));
+ {
+ fprintf_filtered (stream, " ");
+ print_address_numeric (SYMBOL_VALUE_ADDRESS (sym), 1, stream);
+ }
fprintf_filtered (stream, " in file %s, line %d\n",
sal.symtab->filename, sal.line);
}
on the function running in FRAME. */
static void
-print_frame_local_vars (frame, stream)
- register FRAME frame;
- register FILE *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 (frame);
+ register struct block *block = get_frame_block (fi);
register int values_printed = 0;
if (block == 0)
while (block != 0)
{
- if (print_block_frame_locals (block, frame, 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
/* Same, but print labels. */
static void
-print_frame_label_vars (frame, this_level_only, stream)
- register FRAME frame;
+print_frame_label_vars (fi, this_level_only, stream)
+ register struct frame_info *fi;
int this_level_only;
- register FILE *stream;
+ register GDB_FILE *stream;
{
register struct blockvector *bl;
- register struct block *block = get_frame_block (frame);
+ register struct block *block = get_frame_block (fi);
register int values_printed = 0;
int index, have_default = 0;
char *blocks_printed;
- struct frame_info *fi = get_frame_info (frame);
CORE_ADDR pc = fi->pc;
if (block == 0)
}
/* 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, stdout);
+ print_frame_local_vars (selected_frame, 0, gdb_stdout);
}
static void
char *ignore;
int from_tty;
{
+ 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.");
- print_frame_label_vars (selected_frame, 0, stdout);
+#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
-print_frame_arg_vars (frame, stream)
- register FRAME frame;
- register FILE *stream;
+print_frame_arg_vars (fi, stream)
+ register struct frame_info *fi;
+ register GDB_FILE *stream;
{
- struct symbol *func = get_frame_function (frame);
+ struct symbol *func = get_frame_function (fi);
register struct block *b;
int nsyms;
register int i;
for (i = 0; i < nsyms; i++)
{
sym = BLOCK_SYM (b, i);
- if (SYMBOL_CLASS (sym) == LOC_ARG
- || SYMBOL_CLASS (sym) == LOC_LOCAL_ARG
- || SYMBOL_CLASS (sym) == LOC_REF_ARG
- || SYMBOL_CLASS (sym) == LOC_REGPARM
- || SYMBOL_CLASS (sym) == LOC_REGPARM_ADDR)
+ switch (SYMBOL_CLASS (sym))
{
+ case LOC_ARG:
+ case LOC_LOCAL_ARG:
+ case LOC_REF_ARG:
+ case LOC_REGPARM:
+ case LOC_REGPARM_ADDR:
+ case LOC_BASEREG_ARG:
values_printed = 1;
fputs_filtered (SYMBOL_SOURCE_NAME (sym), stream);
fputs_filtered (" = ", stream);
sym2 = lookup_symbol (SYMBOL_NAME (sym),
b, VAR_NAMESPACE, (int *)NULL, (struct symtab **)NULL);
- print_variable_value (sym2, frame, stream);
+ print_variable_value (sym2, fi, stream);
fprintf_filtered (stream, "\n");
+ break;
+
+ default:
+ /* Don't worry about things which aren't arguments. */
+ break;
}
}
}
}
-static void
+void
args_info (ignore, from_tty)
char *ignore;
int from_tty;
{
if (!selected_frame)
error ("No frame selected.");
- print_frame_arg_vars (selected_frame, stdout);
+ 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 FRAME, and note that its stack level is LEVEL.
+/* Select frame FI, and note that its stack level is LEVEL.
LEVEL may be -1 if an actual level number is not known. */
void
-select_frame (frame, level)
- FRAME frame;
+select_frame (fi, level)
+ struct frame_info *fi;
int level;
{
register struct symtab *s;
- selected_frame = frame;
+ 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 (frame)
+ if (fi)
{
- s = find_pc_symtab (get_frame_info (frame)->pc);
+ 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 */
+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);
+}
+
+
/* Store the selected frame and its level into *FRAMEP and *LEVELP.
If there is no selected frame, *FRAMEP is set to NULL. */
void
record_selected_frame (frameaddrp, levelp)
- FRAME_ADDR *frameaddrp;
+ CORE_ADDR *frameaddrp;
int *levelp;
{
- *frameaddrp = selected_frame ? FRAME_FP (selected_frame) : 0;
+ *frameaddrp = selected_frame ? selected_frame->frame : 0;
*levelp = selected_frame_level;
}
but the final value of *LEVEL_OFFSET_PTR is nonzero and indicates
how much farther the original request asked to go. */
-FRAME
+struct frame_info *
find_relative_frame (frame, level_offset_ptr)
- register FRAME frame;
- register int* level_offset_ptr;
+ register struct frame_info *frame;
+ register int *level_offset_ptr;
{
- register FRAME prev;
- register FRAME frame1;
+ register struct frame_info *prev;
+ register struct frame_info *frame1;
/* Going up is simple: just do get_prev_frame enough times
or until initial frame is reached. */
char *level_exp;
int from_tty;
{
- register FRAME frame, frame1;
+ register struct frame_info *frame, *frame1;
unsigned int level = 0;
if (!target_has_stack)
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. */
+
+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
from the previously selected frame, and print it briefly. */
/* ARGSUSED */
static void
-up_silently_command (count_exp, from_tty)
+up_silently_base (count_exp)
char *count_exp;
- int from_tty;
{
- register FRAME frame;
+ register struct frame_info *fi;
int count = 1, count1;
if (count_exp)
count = parse_and_eval_address (count_exp);
if (target_has_stack == 0 || selected_frame == 0)
error ("No stack.");
- frame = find_relative_frame (selected_frame, &count1);
+ fi = find_relative_frame (selected_frame, &count1);
if (count1 != 0 && count_exp == 0)
error ("Initial frame selected; you cannot go up.");
- select_frame (frame, selected_frame_level + count - count1);
+ 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
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 FRAME frame;
+ register struct frame_info *frame;
int count = -1, count1;
if (count_exp)
count = - parse_and_eval_address (count_exp);
frame = find_relative_frame (selected_frame, &count1);
if (count1 != 0 && count_exp == 0)
- error ("Bottom (i.e., innermost) frame selected; you cannot go down.");
+ {
+
+ /* 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. */
+
+ 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
int from_tty;
{
struct symbol *thisfun;
- FRAME_ADDR selected_frame_addr;
+ CORE_ADDR selected_frame_addr;
CORE_ADDR selected_frame_pc;
- FRAME frame;
- value return_value;
+ struct frame_info *frame;
+ value_ptr return_value = NULL;
if (selected_frame == NULL)
error ("No selected frame.");
thisfun = get_frame_function (selected_frame);
selected_frame_addr = FRAME_FP (selected_frame);
- selected_frame_pc = (get_frame_info (selected_frame))->pc;
+ selected_frame_pc = selected_frame->pc;
- /* Compute the return value (if any -- possibly getting errors here).
- Call VALUE_CONTENTS to make sure we have fully evaluated it, since
- it might live in the stack frame we're about to pop. */
+ /* Compute the return value (if any -- possibly getting errors here). */
if (retval_exp)
{
+ struct type *return_type = NULL;
+
return_value = parse_and_eval (retval_exp);
- VALUE_CONTENTS (return_value);
+
+ /* Cast return value to the return type of the function. */
+ if (thisfun != NULL)
+ return_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (thisfun));
+ if (return_type == NULL)
+ return_type = builtin_type_int;
+ 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. */
+ if (VALUE_LAZY (return_value))
+ value_fetch_lazy (return_value);
}
/* If interactive, require confirmation. */
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_FP (frame = get_current_frame())
- || selected_frame_pc != (get_frame_info (frame))->pc )
+ while (selected_frame_addr != (frame = get_current_frame())->frame
+ || selected_frame_pc != frame->pc)
POP_FRAME;
/* Then pop that frame. */
if (from_tty)
frame_command ("0", 1);
+ else
+ select_frame_command ("0", 0);
}
-/* Gets the language of the current frame. */
+/* 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 (arg, from_tty)
+ char *arg;
+ int from_tty;
+{
+ if (arg != (char *)NULL)
+ {
+ struct frame_info *fp;
+ int found = 0;
+ struct symtabs_and_lines sals;
+ int i;
+ int level = 1;
+ struct function_bounds *funcBounds = (struct function_bounds *)NULL;
+
+ fp = parse_frame_specification("0");
+ sals = decode_line_spec(arg, 1);
+ funcBounds = (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,
+ &funcBounds[i].low,
+ &funcBounds[i].high) == 0)
+ {
+ funcBounds[i].low =
+ funcBounds[i].high = (CORE_ADDR)NULL;
+ }
+ }
+
+ do
+ {
+ for (i = 0; (i < sals.nelts && !found); i++)
+ found = (fp->pc >= funcBounds[i].low &&
+ fp->pc < funcBounds[i].high);
+ if (!found)
+ {
+ level = 1;
+ fp = find_relative_frame(fp, &level);
+ }
+ } while (!found && level == 0);
+
+ if (funcBounds)
+ free(funcBounds);
+
+ if (!found)
+ printf_filtered("'%s' not within current stack frame.\n", arg);
+ else if (fp != selected_frame) /* set the stack frame here! */
+ select_and_print_frame(fp);
+ }
+}
+
+/* Gets the language of the current frame. */
+
enum language
get_frame_language()
{
- register struct symtab *s;
- FRAME fr;
- enum language flang; /* The language of the current frame */
+ register struct symtab *s;
+ enum language flang; /* The language of the current frame */
- fr = get_frame_info(selected_frame);
- if(fr)
- {
- s = find_pc_symtab(fr->pc);
- if(s)
- flang = s->language;
+ if (selected_frame)
+ {
+ s = find_pc_symtab(selected_frame->pc);
+ if (s)
+ flang = s->language;
else
- flang = language_unknown;
- }
- else
- flang = language_unknown;
+ flang = language_unknown;
+ }
+ else
+ flang = language_unknown;
- return flang;
+ return flang;
}
\f
void
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.");