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catch_errors() takes PTR argument/func instead of char* argument/func.

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Update breakpoint.c.
Fix (?) cover_target_enable_exception_callback().  Wasn't returning a
value.
This commit is contained in:
Andrew Cagney 1999-01-17 23:23:42 +00:00
parent 2bef607561
commit 6e45c399c1
3 changed files with 63 additions and 46 deletions
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18
gdb/ChangeLog
View File

@ -1,3 +1,21 @@
Mon Jan 18 08:47:02 1999 Andrew Cagney <cagney@b1.cygnus.com>
* defs.h (catch_errors_ftype): Define.
(catch_errors): Replace char* arg with PTR arg.
* top.c (catch_errors): Update
* breakpoint.c (bpstat_stop_status, bpstat_stop_status,
delete_breakpoint, breakpoint_re_set): Delete all casts in call to
catch_errors.
(breakpoint_cond_eval, watchpoint_check,
cover_target_enable_exception_callback, breakpoint_re_set_one):
Arg is PTR not char*.
* breakpoint.c (cover_target_enable_exception_callback): Change
type to int. Check for cast values of 0 and -1. Return a result!
(insert_breakpoints): Move declaration of SAL and ARGS to where
they are used.
1999-01-16 Fernando Nasser <fnasser@totem.to.cygnus.com>
* remote.c (remote_query): new function - creates proper interface

89
gdb/breakpoint.c
View File

@ -68,8 +68,7 @@ map_breakpoint_numbers PARAMS ((char *, void (*)(struct breakpoint *)));
static void
ignore_command PARAMS ((char *, int));
static int
breakpoint_re_set_one PARAMS ((char *));
static int breakpoint_re_set_one PARAMS ((PTR));
static void
clear_command PARAMS ((char *, int));
@ -116,8 +115,7 @@ breakpoint_1 PARAMS ((int, int));
static bpstat
bpstat_alloc PARAMS ((struct breakpoint *, bpstat));
static int
breakpoint_cond_eval PARAMS ((char *));
static int breakpoint_cond_eval PARAMS ((PTR));
static void
cleanup_executing_breakpoints PARAMS ((PTR));
@ -154,10 +152,9 @@ typedef struct {
int enable;
} args_for_catchpoint_enable;
static int watchpoint_check PARAMS ((char *));
static int watchpoint_check PARAMS ((PTR));
static struct symtab_and_line *
cover_target_enable_exception_callback PARAMS ((args_for_catchpoint_enable *));
static int cover_target_enable_exception_callback PARAMS ((PTR));
static int print_it_done PARAMS ((bpstat));
@ -647,8 +644,6 @@ insert_breakpoints ()
/* If we get here, we must have a callback mechanism for exception
events -- with g++ style embedded label support, we insert
ordinary breakpoints and not catchpoints. */
struct symtab_and_line * sal;
args_for_catchpoint_enable args;
sprintf (message, message1, b->number); /* Format possible error message */
val = target_insert_breakpoint(b->address, b->shadow_contents);
@ -663,25 +658,25 @@ insert_breakpoints ()
else
{
/* Bp set, now make sure callbacks are enabled */
args.kind = b->type == bp_catch_catch ? EX_EVENT_CATCH : EX_EVENT_THROW;
args.enable = 1;
sal = (struct symtab_and_line *)
catch_errors ((int (*) PARAMS ((char *)))
cover_target_enable_exception_callback,
(char *) &args,
message, RETURN_MASK_ALL);
if (sal && (sal != (struct symtab_and_line *) -1))
{
b->inserted = 1;
}
/* Check if something went wrong; sal == 0 can be ignored */
if (sal == (struct symtab_and_line *) -1)
{
/* something went wrong */
target_terminal_ours_for_output ();
fprintf_unfiltered (gdb_stderr, "Cannot insert catchpoint %d; disabling it\n", b->number);
b->enable = disabled;
}
int val;
args_for_catchpoint_enable args;
args.kind = b->type == bp_catch_catch ? EX_EVENT_CATCH : EX_EVENT_THROW;
args.enable = 1;
val = catch_errors (cover_target_enable_exception_callback,
&args,
message, RETURN_MASK_ALL);
if (val != 0 && val != -1)
{
b->inserted = 1;
}
/* Check if something went wrong; val == 0 can be ignored */
if (val == -1)
{
/* something went wrong */
target_terminal_ours_for_output ();
fprintf_unfiltered (gdb_stderr, "Cannot insert catchpoint %d; disabling it\n", b->number);
b->enable = disabled;
}
}
}
@ -1807,7 +1802,7 @@ bpstat_print (bs)
static int
breakpoint_cond_eval (exp)
char *exp;
PTR exp;
{
value_ptr mark = value_mark ();
int i = !value_true (evaluate_expression ((struct expression *)exp));
@ -1850,7 +1845,7 @@ bpstat_alloc (b, cbs)
static int
watchpoint_check (p)
char *p;
PTR p;
{
bpstat bs = (bpstat) p;
struct breakpoint *b;
@ -2079,8 +2074,7 @@ bpstat_stop_status (pc, not_a_breakpoint)
sprintf (message, message1, b->number);
if (b->type == bp_watchpoint || b->type == bp_hardware_watchpoint)
{
switch (catch_errors ((int (*) PARAMS ((char *))) watchpoint_check, (char *) bs, message,
RETURN_MASK_ALL))
switch (catch_errors (watchpoint_check, bs, message, RETURN_MASK_ALL))
{
case WP_DELETED:
/* We've already printed what needs to be printed. */
@ -2134,8 +2128,7 @@ bpstat_stop_status (pc, not_a_breakpoint)
}
}
if (found)
switch (catch_errors ((int (*) PARAMS ((char *))) watchpoint_check, (char *) bs, message,
RETURN_MASK_ALL))
switch (catch_errors (watchpoint_check, bs, message, RETURN_MASK_ALL))
{
case WP_DELETED:
/* We've already printed what needs to be printed. */
@ -2184,7 +2177,7 @@ bpstat_stop_status (pc, not_a_breakpoint)
so that the conditions will have the right context. */
select_frame (get_current_frame (), 0);
value_is_zero
= catch_errors ((int (*) PARAMS ((char *))) breakpoint_cond_eval, (char *)(b->cond),
= catch_errors (breakpoint_cond_eval, (b->cond),
"Error in testing breakpoint condition:\n",
RETURN_MASK_ALL);
/* FIXME-someday, should give breakpoint # */
@ -5014,11 +5007,19 @@ catch_exception_command_1 (ex_event, arg, tempflag, from_tty)
/* Cover routine to allow wrapping target_enable_exception_catchpoints
inside a catch_errors */
static struct symtab_and_line *
cover_target_enable_exception_callback (args)
args_for_catchpoint_enable * args;
static int
cover_target_enable_exception_callback (arg)
PTR arg;
{
target_enable_exception_callback (args->kind, args->enable);
args_for_catchpoint_enable *args = arg;
struct symtab_and_line *sal;
sal = target_enable_exception_callback (args->kind, args->enable);
if (sal == NULL)
return 0;
else if (sal == (struct symtab_and_line *) -1)
return -1;
else
return 1; /*is valid*/
}
@ -5548,9 +5549,8 @@ delete_breakpoint (bpt)
sprintf (message, message1, bpt->number); /* Format possible error msg */
args.kind = bpt->type == bp_catch_catch ? EX_EVENT_CATCH : EX_EVENT_THROW;
args.enable = 0;
(void) catch_errors ((int (*) PARAMS ((char *))) cover_target_enable_exception_callback,
(char *) &args,
message, RETURN_MASK_ALL);
catch_errors (cover_target_enable_exception_callback, &args,
message, RETURN_MASK_ALL);
}
@ -5703,7 +5703,7 @@ delete_command (arg, from_tty)
static int
breakpoint_re_set_one (bint)
char *bint;
PTR bint;
{
struct breakpoint *b = (struct breakpoint *)bint; /* get past catch_errs */
struct value *mark;
@ -5888,8 +5888,7 @@ breakpoint_re_set ()
ALL_BREAKPOINTS_SAFE (b, temp)
{
sprintf (message, message1, b->number); /* Format possible error msg */
catch_errors ((int (*) PARAMS ((char *))) breakpoint_re_set_one, (char *) b, message,
RETURN_MASK_ALL);
catch_errors (breakpoint_re_set_one, b, message, RETURN_MASK_ALL);
}
set_language (save_language);
input_radix = save_input_radix;

2
gdb/top.c
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@ -516,7 +516,7 @@ return_to_top_level (reason)
int
catch_errors (func, args, errstring, mask)
int (*func) PARAMS ((char *));
catch_errors_ftype *func;
PTR args;
char *errstring;
return_mask mask;