/* Print and select stack frames for GDB, the GNU debugger.
- Copyright 1986, 87, 89, 91, 92, 93, 94, 95, 96, 98, 1999
- Free Software Foundation, Inc.
+ Copyright 1986, 1987, 1989, 1991-1996, 1998-2000 Free Software Foundation, Inc.
This file is part of GDB.
#include "annotate.h"
#include "symfile.h"
#include "objfiles.h"
+#ifdef UI_OUT
+#include "ui-out.h"
+#endif
/* Prototypes for exported functions. */
static void select_frame_command PARAMS ((char *, int));
-static void print_frame_arg_vars PARAMS ((struct frame_info *, GDB_FILE *));
+static void print_frame_arg_vars (struct frame_info *, struct ui_file *);
static void catch_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_label_vars (struct frame_info *, int,
+ struct ui_file *);
+
+static void print_frame_local_vars (struct frame_info *, int,
+ struct ui_file *);
-static void print_frame_local_vars PARAMS ((struct frame_info *,
- int,
- GDB_FILE *));
+static int print_block_frame_labels (struct block *, int *,
+ struct ui_file *);
-static int print_block_frame_labels PARAMS ((struct block *, int *,
- GDB_FILE *));
+static int print_block_frame_locals (struct block *,
+ struct frame_info *,
+ int,
+ struct ui_file *);
-static int print_block_frame_locals PARAMS ((struct block *,
- struct frame_info *,
- int,
- GDB_FILE *));
+static void print_frame (struct frame_info *fi,
+ int level,
+ int source,
+ int args,
+ struct symtab_and_line sal);
static void print_frame_info_base PARAMS ((struct frame_info *, int, int, int));
{
struct symbol *func;
struct frame_info *fi;
- GDB_FILE *stream;
+ struct ui_file *stream;
};
static int print_args_stub PARAMS ((PTR));
}
/* 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
- */
+ 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:
+ SRC_LINE: Print only source line
+ LOCATION: Print only location
+ LOC_AND_SRC: Print location and source line. */
static void
print_frame_info_base (fi, level, source, args)
int args;
{
struct symtab_and_line sal;
- struct symbol *func;
- register char *funname = 0;
- enum language funlang = language_unknown;
+ int source_print;
+ int location_print;
#if 0
char buf[MAX_REGISTER_RAW_SIZE];
&& !fi->next->signal_handler_caller
&& !frame_in_dummy (fi->next));
+ location_print = (source == LOCATION
+ || source == LOC_AND_ADDRESS
+ || source == SRC_AND_LOC);
+
+ if (location_print || !sal.symtab)
+ print_frame (fi, level, source, args, sal);
+
+ source_print = (source == SRC_LINE || source == SRC_AND_LOC);
+
+ if (source_print && sal.symtab)
+ {
+ int done = 0;
+ int mid_statement = (source == SRC_LINE) && (fi->pc != sal.pc);
+
+ if (annotation_level)
+ done = identify_source_line (sal.symtab, sal.line, mid_statement,
+ fi->pc);
+ if (!done)
+ {
+ if (addressprint && mid_statement && !tui_version)
+ {
+#ifdef UI_OUT
+ ui_out_field_core_addr (uiout, "addr", fi->pc);
+ ui_out_text (uiout, "\t");
+#else
+ print_address_numeric (fi->pc, 1, gdb_stdout);
+ printf_filtered ("\t");
+#endif
+ }
+ 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);
+
+ annotate_frame_end ();
+
+ gdb_flush (gdb_stdout);
+}
+
+static void
+print_frame (struct frame_info *fi,
+ int level,
+ int source,
+ int args,
+ struct symtab_and_line sal)
+{
+ struct symbol *func;
+ register char *funname = 0;
+ enum language funlang = language_unknown;
+#ifdef UI_OUT
+ struct ui_stream *stb;
+ struct cleanup *old_chain;
+
+ stb = ui_out_stream_new (uiout);
+ old_chain = make_cleanup ((make_cleanup_func) ui_out_stream_delete, stb);
+#endif /* UI_OUT */
+
func = find_pc_function (fi->pc);
if (func)
{
}
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.)
- */
+ /* 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. (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);
{
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.
- */
+ /* 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);
}
}
}
}
- if (source >= 0 || !sal.symtab)
- {
- annotate_frame_begin (level == -1 ? 0 : level, fi->pc);
+ 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)
- {
- 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);
+#ifdef UI_OUT
+ ui_out_list_begin (uiout, "frame");
+#endif
+
+ if (level >= 0)
+ {
+#ifdef UI_OUT
+ ui_out_text (uiout, "#");
+ ui_out_field_fmt (uiout, "level", "%-2d", level);
+ ui_out_spaces (uiout, 1);
+#else
+ printf_filtered ("#%-2d ", level);
+#endif
+ }
+ if (addressprint)
+ if (fi->pc != sal.pc || !sal.symtab || source == LOC_AND_ADDRESS)
+ {
+ annotate_frame_address ();
+#ifdef UI_OUT
+ ui_out_field_core_addr (uiout, "addr", fi->pc);
+ annotate_frame_address_end ();
+ ui_out_text (uiout, " in ");
+#else
+ print_address_numeric (fi->pc, 1, gdb_stdout);
+ annotate_frame_address_end ();
+ printf_filtered (" in ");
+#endif
+ }
+ annotate_frame_function_name ();
+#ifdef UI_OUT
+ fprintf_symbol_filtered (stb->stream, funname ? funname : "??", funlang,
+ DMGL_ANSI);
+ ui_out_field_stream (uiout, "func", stb);
+ ui_out_wrap_hint (uiout, " ");
+#else
+ fprintf_symbol_filtered (gdb_stdout, funname ? funname : "??", funlang,
+ DMGL_ANSI);
+ wrap_here (" ");
+#endif
+ annotate_frame_args ();
+
+#ifdef UI_OUT
+ ui_out_text (uiout, " (");
+#else
+ fputs_filtered (" (", gdb_stdout);
+#endif
+ if (args)
+ {
+ struct print_args_args args;
+ args.fi = fi;
+ args.func = func;
+ args.stream = gdb_stdout;
+#ifdef UI_OUT
+ ui_out_list_begin (uiout, "args");
+ catch_errors (print_args_stub, &args, "", RETURN_MASK_ALL);
+ /* FIXME: args must be a list. If one argument is a string it will
+ have " that will not be properly escaped. */
+ ui_out_list_end (uiout);
+#else
+ catch_errors (print_args_stub, &args, "", RETURN_MASK_ALL);
+#endif
+ QUIT;
+ }
+#ifdef UI_OUT
+ ui_out_text (uiout, ")");
+#else
+ printf_filtered (")");
+#endif
+ if (sal.symtab && sal.symtab->filename)
+ {
+ annotate_frame_source_begin ();
+#ifdef UI_OUT
+ ui_out_wrap_hint (uiout, " ");
+ ui_out_text (uiout, " at ");
+ annotate_frame_source_file ();
+ ui_out_field_string (uiout, "file", sal.symtab->filename);
+ annotate_frame_source_file_end ();
+ ui_out_text (uiout, ":");
+ annotate_frame_source_line ();
+ ui_out_field_int (uiout, "line", sal.line);
+#else
wrap_here (" ");
- annotate_frame_args ();
- fputs_filtered (" (", gdb_stdout);
- if (args)
- {
- struct print_args_args args;
- args.fi = fi;
- args.func = func;
- 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 (" ");
- 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 ();
- }
+ 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);
+#endif
+ annotate_frame_source_end ();
+ }
#ifdef PC_LOAD_SEGMENT
- /* If we couldn't print out function name but if can figure out what
+ /* 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 ();
- 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);
- }
- }
+ if (!funname)
+ {
+ annotate_frame_where ();
+#ifdef UI_OUT
+ ui_out_wrap_hint (uiout, " ");
+ ui_out_text (uiout, " from ");
+ ui_out_field_string (uiout, "from", PC_LOAD_SEGMENT (fi->pc));
+#else
+ wrap_here (" ");
+ printf_filtered (" from %s", PC_LOAD_SEGMENT (fi->pc));
#endif
- printf_filtered ("\n");
}
+#endif /* PC_LOAD_SEGMENT */
- if ((source != 0) && sal.symtab)
+#ifdef PC_SOLIB
+ if (!funname || (!sal.symtab || !sal.symtab->filename))
{
- int done = 0;
- int mid_statement = source < 0 && fi->pc != sal.pc;
- if (annotation_level)
- done = identify_source_line (sal.symtab, sal.line, mid_statement,
- fi->pc);
- if (!done)
+ char *lib = PC_SOLIB (fi->pc);
+ if (lib)
{
- 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);
+ annotate_frame_where ();
+#ifdef UI_OUT
+ ui_out_wrap_hint (uiout, " ");
+ ui_out_text (uiout, " from ");
+ ui_out_field_string (uiout, "from", lib);
+#else
+ wrap_here (" ");
+ printf_filtered (" from %s", lib);
+#endif
}
- current_source_line = max (sal.line - lines_to_list / 2, 1);
}
+#endif /* PC_SOLIB */
- if (source != 0)
- set_default_breakpoint (1, fi->pc, sal.symtab, sal.line);
-
- annotate_frame_end ();
-
- gdb_flush (gdb_stdout);
+#ifdef UI_OUT
+ ui_out_list_end (uiout);
+ ui_out_text (uiout, "\n");
+ do_cleanups (old_chain);
+#else
+ printf_filtered ("\n");
+#endif
}
\f
printing. Second, it must set the variable count to the number
of frames which we should print, or -1 if all of them. */
trailing = get_current_frame ();
+
+ /* The target can be in a state where there is no valid frames
+ (e.g., just connected). */
+ if (trailing == NULL)
+ error ("No stack.");
+
trailing_level = 0;
if (count_exp)
{
argc = 0;
for (i = 0; (argv[i] != (char *) NULL); i++)
{
- int j;
+ unsigned int j;
for (j = 0; (j < strlen (argv[i])); j++)
argv[i][j] = tolower (argv[i][j]);
struct block *b;
register struct frame_info *fi;
int num_tabs;
- register GDB_FILE *stream;
+ register struct ui_file *stream;
{
int nsyms;
register int i, j;
print_block_frame_labels (b, have_default, stream)
struct block *b;
int *have_default;
- register GDB_FILE *stream;
+ register struct ui_file *stream;
{
int nsyms;
register int i;
print_frame_local_vars (fi, num_tabs, stream)
register struct frame_info *fi;
register int num_tabs;
- register GDB_FILE *stream;
+ register struct ui_file *stream;
{
register struct block *block = get_frame_block (fi);
register int values_printed = 0;
print_frame_label_vars (fi, this_level_only, stream)
register struct frame_info *fi;
int this_level_only;
- register GDB_FILE *stream;
+ register struct ui_file *stream;
{
register struct blockvector *bl;
register struct block *block = get_frame_block (fi);
static void
print_frame_arg_vars (fi, stream)
register struct frame_info *fi;
- register GDB_FILE *stream;
+ register struct ui_file *stream;
{
struct symbol *func = get_frame_function (fi);
register struct block *b;
frame expressions. */
/* ARGSUSED */
+#ifdef UI_OUT
+void
+select_frame_command_wrapper (level_exp, from_tty)
+ char *level_exp;
+ int from_tty;
+{
+ select_frame_command (level_exp, from_tty);
+}
+#endif
static void
select_frame_command (level_exp, from_tty)
char *level_exp;
show_and_print_stack_frame (selected_frame, selected_frame_level, 1);
}
\f
+#ifdef UI_OUT
+void
+return_command_wrapper (retval_exp, from_tty)
+ char *retval_exp;
+ int from_tty;
+{
+ return_command (retval_exp, from_tty);
+}
+#endif
static void
return_command (retval_exp, from_tty)
char *retval_exp;