}
}
-/* Set a breakpoint according to ARG (function, linenum or *address)
- flag: first bit : 0 non-temporary, 1 temporary.
- second bit : 0 normal breakpoint, 1 hardware breakpoint. */
+/* Set a breakpoint. This function is shared between
+ CLI and MI functions for setting a breakpoint.
+ This function has two major modes of operations,
+ selected by the PARSE_CONDITION_AND_THREAD parameter.
+ If non-zero, the function will parse arg, extracting
+ breakpoint location, address and thread. Otherwise,
+ ARG is just the location of breakpoint, with condition
+ and thread specified by the COND_STRING and THREAD
+ parameters. */
static int
-break_command_1 (char *arg, int flag, int from_tty)
+break_command_really (char *arg, char *cond_string, int thread,
+ int parse_condition_and_thread,
+ int tempflag, int hardwareflag,
+ enum auto_boolean pending_break_support,
+ int from_tty)
{
struct gdb_exception e;
- int tempflag, hardwareflag;
struct symtabs_and_lines sals;
struct symtab_and_line pending_sal;
- char *cond_string = NULL;
char *copy_arg;
char *err_msg;
char *addr_start = arg;
struct captured_parse_breakpoint_args parse_args;
int i;
int pending = 0;
- int thread = -1;
int ignore_count = 0;
int not_found = 0;
- hardwareflag = flag & BP_HARDWAREFLAG;
- tempflag = flag & BP_TEMPFLAG;
-
sals.sals = NULL;
sals.nelts = 0;
addr_string = NULL;
breakpoint. */
if (!pending)
{
- /* Here we only parse 'arg' to separate condition
- from thread number, so parsing in context of first
- sal is OK. When setting the breakpoint we'll
- re-parse it in context of each sal. */
- find_condition_and_thread (arg, sals.sals[0].pc, &cond_string, &thread);
- if (cond_string)
- make_cleanup (xfree, cond_string);
+ if (parse_condition_and_thread)
+ {
+ /* Here we only parse 'arg' to separate condition
+ from thread number, so parsing in context of first
+ sal is OK. When setting the breakpoint we'll
+ re-parse it in context of each sal. */
+ cond_string = NULL;
+ thread = -1;
+ find_condition_and_thread (arg, sals.sals[0].pc, &cond_string, &thread);
+ if (cond_string)
+ make_cleanup (xfree, cond_string);
+ }
+ else
+ {
+ /* Create a private copy of condition string. */
+ if (cond_string)
+ {
+ cond_string = xstrdup (cond_string);
+ make_cleanup (xfree, cond_string);
+ }
+ }
create_breakpoints (sals, addr_string, cond_string,
hardwareflag ? bp_hardware_breakpoint
: bp_breakpoint,
: bp_breakpoint);
set_breakpoint_count (breakpoint_count + 1);
b->number = breakpoint_count;
- b->thread = thread;
+ b->thread = -1;
b->addr_string = addr_string[0];
- b->cond_string = cond_string;
+ b->cond_string = NULL;
b->ignore_count = ignore_count;
b->disposition = tempflag ? disp_del : disp_donttouch;
b->condition_not_parsed = 1;
return GDB_RC_OK;
}
-/* Set a breakpoint of TYPE/DISPOSITION according to ARG (function,
- linenum or *address) with COND and IGNORE_COUNT. */
-
-struct captured_breakpoint_args
- {
- char *address;
- char *condition;
- int hardwareflag;
- int tempflag;
- int thread;
- int ignore_count;
- };
-
+/* Set a breakpoint.
+ ARG is a string describing breakpoint address,
+ condition, and thread.
+ FLAG specifies if a breakpoint is hardware on,
+ and if breakpoint is temporary, using BP_HARDWARE_FLAG
+ and BP_TEMPFLAG. */
+
static int
-do_captured_breakpoint (struct ui_out *uiout, void *data)
+break_command_1 (char *arg, int flag, int from_tty)
{
- struct captured_breakpoint_args *args = data;
- struct symtabs_and_lines sals;
- struct expression **cond;
- struct cleanup *old_chain;
- struct cleanup *breakpoint_chain = NULL;
- int i;
- char **addr_string;
- char *cond_string = 0;
+ int hardwareflag = flag & BP_HARDWAREFLAG;
+ int tempflag = flag & BP_TEMPFLAG;
- char *address_end;
-
- /* Parse the source and lines spec. Delay check that the expression
- didn't contain trailing garbage until after cleanups are in
- place. */
- sals.sals = NULL;
- sals.nelts = 0;
- address_end = args->address;
- addr_string = NULL;
- parse_breakpoint_sals (&address_end, &sals, &addr_string, 0);
-
- if (!sals.nelts)
- return GDB_RC_NONE;
-
- /* Create a chain of things at always need to be cleaned up. */
- old_chain = make_cleanup (null_cleanup, 0);
-
- /* Always have a addr_string array, even if it is empty. */
- make_cleanup (xfree, addr_string);
-
- /* Make sure that all storage allocated to SALS gets freed. */
- make_cleanup (xfree, sals.sals);
-
- /* Allocate space for all the cond expressions. */
- cond = xcalloc (sals.nelts, sizeof (struct expression *));
- make_cleanup (xfree, cond);
-
- /* ----------------------------- SNIP -----------------------------
- Anything added to the cleanup chain beyond this point is assumed
- to be part of a breakpoint. If the breakpoint create goes
- through then that memory is not cleaned up. */
- breakpoint_chain = make_cleanup (null_cleanup, 0);
-
- /* Mark the contents of the addr_string for cleanup. These go on
- the breakpoint_chain and only occure if the breakpoint create
- fails. */
- for (i = 0; i < sals.nelts; i++)
- {
- if (addr_string[i] != NULL)
- make_cleanup (xfree, addr_string[i]);
- }
-
- /* Wait until now before checking for garbage at the end of the
- address. That way cleanups can take care of freeing any
- memory. */
- if (*address_end != '\0')
- error (_("Garbage %s following breakpoint address"), address_end);
-
- /* Resolve all line numbers to PC's. */
- breakpoint_sals_to_pc (&sals, args->address);
-
- if (args->condition != NULL)
- {
- cond_string = xstrdup (args->condition);
- make_cleanup (xfree, cond_string);
- }
-
- create_breakpoints (sals, addr_string, args->condition,
- args->hardwareflag ? bp_hardware_breakpoint : bp_breakpoint,
- args->tempflag ? disp_del : disp_donttouch,
- args->thread, args->ignore_count, 0/*from-tty*/);
-
- /* That's it. Discard the cleanups for data inserted into the
- breakpoint. */
- discard_cleanups (breakpoint_chain);
- /* But cleanup everything else. */
- do_cleanups (old_chain);
- return GDB_RC_OK;
+ return break_command_really (arg,
+ NULL, 0, 1 /* parse arg */,
+ tempflag, hardwareflag,
+ pending_break_support, from_tty);
}
+
enum gdb_rc
gdb_breakpoint (char *address, char *condition,
int hardwareflag, int tempflag,
int thread, int ignore_count,
char **error_message)
{
- struct captured_breakpoint_args args;
- args.address = address;
- args.condition = condition;
- args.hardwareflag = hardwareflag;
- args.tempflag = tempflag;
- args.thread = thread;
- args.ignore_count = ignore_count;
- if (catch_exceptions_with_msg (uiout, do_captured_breakpoint, &args,
- error_message, RETURN_MASK_ALL) < 0)
- return GDB_RC_FAIL;
- else
- return GDB_RC_OK;
+ return break_command_really (address, condition, thread,
+ 0 /* condition and thread are valid. */,
+ tempflag, hardwareflag,
+ AUTO_BOOLEAN_FALSE /* no pending. */,
+ 0);
}
projects / thirdparty / binutils-gdb.git / commitdiff
