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* infrun.c, infcmd.c, breakpoint.c, main.c, symfile.c,

Browse Source 
breakpoint.h, tm-sun4os4.h, tm-sparc.h, sparc-tdep.c, tm-mips.h,
mips-tdep.h, tm-sun3.h, tm-68k.h, m68k-tdep.h:  Add support for
stepping (and nexting) through longjmp().  Also, cleanup
breakpoint handling quite a bit by creating explicit breakpoint
types instead of using magic breakpoint numbers.
Makefile.in:  Update version to 4.4.3
This commit is contained in:
Stu Grossman
1992-02-22 09:06:58 +00:00
parent 021959e249
commit 30875e1c4b
12 changed files with 1382 additions and 947 deletions
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190
gdb/main.c
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@@ -18,7 +18,6 @@ along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <stdio.h>
int fclose ();
#include "defs.h"
#include "gdbcmd.h"
#include "symtab.h"
@@ -26,6 +25,8 @@ int fclose ();
#include "signals.h"
#include "target.h"
#include "breakpoint.h"
#include "gdbtypes.h"
#include "expression.h"
#include "language.h"
#include "getopt.h"
@@ -58,6 +59,103 @@ int fclose ();
int original_stack_limit;
#endif
/* Prototypes for local functions */
static char *
symbol_completion_function PARAMS ((char *, int));
static void
command_loop PARAMS ((void));
static void
command_loop_marker PARAMS ((int));
static void
print_gdb_version PARAMS ((void));
static void
quit_command PARAMS ((char *, int));
static void
initialize_main PARAMS ((void));
static void
initialize_history PARAMS ((void));
static void
initialize_cmd_lists PARAMS ((void));
static void
float_handler PARAMS ((int));
static void
source_command PARAMS ((char *, int));
static void
cd_command PARAMS ((char *, int));
static void
print_gnu_advertisement PARAMS ((void));
static void
init_signals PARAMS ((void));
static void
read_command_file PARAMS ((FILE *));
static void
set_verbose PARAMS ((char *, int, struct cmd_list_element *));
static void
show_history PARAMS ((char *, int));
static void
set_history PARAMS ((char *, int));
static void
set_history_size_command PARAMS ((char *, int, struct cmd_list_element *));
static void
show_commands PARAMS ((char *, int));
static void
dump_me_command PARAMS ((char *, int));
static void
echo_command PARAMS ((char *, int));
static void
pwd_command PARAMS ((char *, int));
static void
show_version PARAMS ((char *, int));
static void
document_command PARAMS ((char *, int));
static void
define_command PARAMS ((char *, int));
static void
validate_comname PARAMS ((char *));
static void
help_command PARAMS ((char *, int));
static void
show_command PARAMS ((char *, int));
static void
info_command PARAMS ((char *, int));
static void
do_nothing PARAMS ((int));
static void
disconnect PARAMS ((int));
static void
source_cleanup PARAMS ((FILE *));
/* If this definition isn't overridden by the header files, assume
that isatty and fileno exist on this system. */
@@ -153,43 +251,12 @@ static char dirbuf[1024];
The function receives two args: an input stream,
and a prompt string. */
void (*window_hook) ();
void (*window_hook) PARAMS ((FILE *, char *));
extern int frame_file_full_name;
int epoch_interface;
int xgdb_verbose;
/* The external commands we call... */
extern void init_source_path ();
extern void directory_command ();
extern void exec_file_command ();
extern void symbol_file_command ();
extern void core_file_command ();
extern void tty_command ();
extern void help_list ();
extern void initialize_all_files ();
extern void init_malloc ();
/* Forward declarations for this file */
void free_command_lines ();
char *gdb_readline ();
char *command_line_input ();
static void initialize_history ();
static void initialize_main ();
static void initialize_cmd_lists ();
static void init_signals ();
static void quit_command ();
void command_loop ();
static void source_command ();
static void print_gdb_version ();
static void print_gnu_advertisement ();
static void float_handler ();
static void cd_command ();
static void read_command_file ();
char *getenv ();
/* gdb prints this when reading a command interactively */
static char *prompt;
@@ -209,6 +276,7 @@ char *baud_rate;
#ifndef STOP_SIGNAL
#ifdef SIGTSTP
#define STOP_SIGNAL SIGTSTP
static void stop_sig PARAMS ((int));
#endif
#endif
@@ -225,16 +293,15 @@ char *baud_rate;
jmp_buf to_top_level;
void
NORETURN void
return_to_top_level ()
{
quit_flag = 0;
immediate_quit = 0;
bpstat_clear_actions(stop_bpstat); /* Clear queued breakpoint commands */
clear_momentary_breakpoints ();
disable_current_display ();
do_cleanups (ALL_CLEANUPS);
longjmp (to_top_level, 1);
(NORETURN void) longjmp (to_top_level, 1);
}
/* Call FUNC with arg ARGS, catching any errors.
@@ -244,7 +311,7 @@ return_to_top_level ()
int
catch_errors (func, args, errstring)
int (*func) ();
int (*func) PARAMS ((char *));
char *args;
char *errstring;
{
@@ -274,7 +341,8 @@ catch_errors (func, args, errstring)
/* Handler for SIGHUP. */
static void
disconnect ()
disconnect (signo)
int signo;
{
kill_inferior_fast ();
signal (SIGHUP, SIG_DFL);
@@ -618,15 +686,13 @@ GDB manual (available as on-line info or a printed manual).\n", stderr);
/* Set the initial language. */
{
extern enum language deduce_language_from_filename ();
extern struct partial_symtab *find_main_psymtab ();
struct partial_symtab *pst = find_main_psymtab ();
enum language lang = language_unknown;
if (pst == NULL) ;
#if 0
/* A better solution would set the language when reading the psymtab.
This would win for symbol file formats that encode the langauge,
such as dwarf. But, we don't do that yet. FIXME */
such as DWARF. But, we don't do that yet. FIXME */
else if (pst->language != language_unknown)
lang = pst->language;
#endif
@@ -793,10 +859,10 @@ execute_command (p, from_tty)
}
else if (c->type == set_cmd || c->type == show_cmd)
do_setshow_command (arg, from_tty & caution, c);
else if (c->function == NO_FUNCTION)
else if (c->function.cfunc == NO_FUNCTION)
error ("That is not a command, just a help topic.");
else
(*c->function) (arg, from_tty & caution);
(*c->function.cfunc) (arg, from_tty & caution);
}
/* Tell the user if the language has changed (except first time). */
@@ -829,7 +895,7 @@ execute_command (p, from_tty)
}
/* ARGSUSED */
void
static void
command_loop_marker (foo)
int foo;
{
@@ -837,7 +903,7 @@ command_loop_marker (foo)
/* Read commands from `instream' and execute them
until end of file or error reading instream. */
void
static void
command_loop ()
{
struct cleanup *old_chain;
@@ -853,7 +919,7 @@ command_loop ()
if (instream == stdin && stdin_is_tty)
reinitialize_more_filter ();
old_chain = make_cleanup (command_loop_marker, 0);
command = command_line_input (instream == stdin ? prompt : 0,
command = command_line_input (instream == stdin ? prompt : (char *) NULL,
instream == stdin);
if (command == 0)
return;
@@ -927,9 +993,6 @@ gdb_readline (prrompt)
return result;
}
/* Declaration for fancy readline with command line editing. */
char *readline ();
/* Variables which control command line editing and history
substitution. These variables are given default values at the end
of this file. */
@@ -963,7 +1026,8 @@ noop_completer (text)
the cursor. You should pretend that the line ends at RL_POINT.
The result is NULL if there are no more completions, else a char
string which is a possible completion. */
char *
static char *
symbol_completion_function (text, state)
char *text;
int state;
@@ -1094,7 +1158,8 @@ symbol_completion_function (text, state)
#ifdef STOP_SIGNAL
static void
stop_sig ()
stop_sig (signo)
int signo;
{
#if STOP_SIGNAL == SIGTSTP
signal (SIGTSTP, SIG_DFL);
@@ -1114,15 +1179,14 @@ stop_sig ()
/* Initialize signal handlers. */
static void
do_nothing ()
do_nothing (signo)
int signo;
{
}
static void
init_signals ()
{
extern void request_quit ();
signal (SIGINT, request_quit);
/* If we initialize SIGQUIT to SIG_IGN, then the SIG_IGN will get
@@ -1160,7 +1224,7 @@ command_line_input (prrompt, repeat)
int repeat;
{
static char *linebuffer = 0;
static int linelength = 0;
static unsigned linelength = 0;
register char *p;
char *p1;
char *rl;
@@ -1354,7 +1418,7 @@ read_command_lines ()
while (1)
{
dont_repeat ();
p = command_line_input (0, instream == stdin);
p = command_line_input ((char *) NULL, instream == stdin);
if (p == NULL)
/* Treat end of file like "end". */
break;
@@ -1419,7 +1483,7 @@ free_command_lines (lptr)
void
add_info (name, fun, doc)
char *name;
void (*fun) ();
void (*fun) PARAMS ((char *, int));
char *doc;
{
add_cmd (name, no_class, fun, doc, &infolist);
@@ -1466,7 +1530,7 @@ void
add_com (name, class, fun, doc)
char *name;
enum command_class class;
void (*fun) ();
void (*fun) PARAMS ((char *, int));
char *doc;
{
add_cmd (name, class, fun, doc, &cmdlist);
@@ -1529,7 +1593,6 @@ define_command (comname, from_tty)
register struct command_line *cmds;
register struct cmd_list_element *c, *newc;
char *tem = comname;
extern void not_just_help_class_command ();
validate_comname (comname);
@@ -1856,7 +1919,7 @@ show_commands (args, from_tty)
than the number of the last command). Relative to history_base. */
int hist_len;
struct _hist_entry *history_get();
extern struct _hist_entry *history_get PARAMS ((int));
extern int history_base;
/* Print out some of the commands from the command history. */
@@ -1979,7 +2042,8 @@ set_verbose (args, from_tty, c)
}
static void
float_handler ()
float_handler (signo)
int signo;
{
/* This message is based on ANSI C, section 4.7. Note that integer
divide by zero causes this, so "float" is a misnomer. */
@@ -2138,7 +2202,7 @@ when gdb is started.");
"Set ",
&setlist),
add_show_from_set (c, &showlist);
c->function = set_verbose;
c->function.sfunc = set_verbose;
set_verbose (NULL, 0, c);
add_com ("dump-me", class_obscure, dump_me_command,
@@ -2176,7 +2240,7 @@ Without an argument, saving is enabled.", &sethistlist),
"Set the size of the command history, \n\
ie. the number of previous commands to keep a record of.", &sethistlist);
add_show_from_set (c, &showhistlist);
c->function = set_history_size_command;
c->function.sfunc = set_history_size_command;
add_show_from_set
(add_set_cmd ("filename", no_class, var_filename, (char *)&history_filename,