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2013-06-04 Gary Benson <gbenson@redhat.com> 

* probe.h (get_probe_argument_count): New declaration.
	(evaluate_probe_argument): Likewise.
	* probe.c (get_probe_argument_count): New function.
	(evaluate_probe_argument): Likewise.
	(probe_safe_evaluate_at_pc): Use the above new functions.
This commit is contained in:
Gary Benson 2013-06-04 12:50:21 +00:00
parent 845d47080b
commit 9ee6a5acd5
3 changed files with 54 additions and 9 deletions
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8
gdb/ChangeLog
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@ -1,3 +1,11 @@
2013-06-04 Gary Benson <gbenson@redhat.com>
* probe.h (get_probe_argument_count): New declaration.
(evaluate_probe_argument): Likewise.
* probe.c (get_probe_argument_count): New function.
(evaluate_probe_argument): Likewise.
(probe_safe_evaluate_at_pc): Use the above new functions.
2013-06-04 Alan Modra <amodra@gmail.com>
* ppc-tdep.h (ppc_insns_match_pattern): Update prototype.

45
gdb/probe.c
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@ -611,28 +611,55 @@ info_probes_command (char *arg, int from_tty)
/* See comments in probe.h. */
unsigned
get_probe_argument_count (struct probe *probe)
{
const struct sym_probe_fns *probe_fns;
gdb_assert (probe->objfile != NULL);
gdb_assert (probe->objfile->sf != NULL);
probe_fns = probe->objfile->sf->sym_probe_fns;
gdb_assert (probe_fns != NULL);
return probe_fns->sym_get_probe_argument_count (probe);
}
/* See comments in probe.h. */
struct value *
evaluate_probe_argument (struct probe *probe, unsigned n)
{
const struct sym_probe_fns *probe_fns;
gdb_assert (probe->objfile != NULL);
gdb_assert (probe->objfile->sf != NULL);
probe_fns = probe->objfile->sf->sym_probe_fns;
gdb_assert (probe_fns != NULL);
return probe_fns->sym_evaluate_probe_argument (probe, n);
}
/* See comments in probe.h. */
struct value *
probe_safe_evaluate_at_pc (struct frame_info *frame, unsigned n)
{
struct probe *probe;
const struct sym_probe_fns *probe_fns;
unsigned n_args;
probe = find_probe_by_pc (get_frame_pc (frame));
if (!probe)
return NULL;
gdb_assert (probe->objfile != NULL);
gdb_assert (probe->objfile->sf != NULL);
gdb_assert (probe->objfile->sf->sym_probe_fns != NULL);
probe_fns = probe->objfile->sf->sym_probe_fns;
n_args = probe_fns->sym_get_probe_argument_count (probe);
n_args = get_probe_argument_count (probe);
if (n >= n_args)
return NULL;
return probe_fns->sym_evaluate_probe_argument (probe, n);
return evaluate_probe_argument (probe, n);
}
/* See comment in probe.h. */

10
gdb/probe.h
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@ -214,6 +214,16 @@ extern void info_probes_for_ops (char *arg, int from_tty,
extern struct cmd_list_element **info_probes_cmdlist_get (void);
/* Return the argument count of the specified probe. */
extern unsigned get_probe_argument_count (struct probe *probe);
/* Evaluate argument N of the specified probe. N must be between 0
inclusive and get_probe_argument_count exclusive. */
extern struct value *evaluate_probe_argument (struct probe *probe,
unsigned n);
/* A convenience function that finds a probe at the PC in FRAME and
evaluates argument N, with 0 <= N < number_of_args. If there is no
probe at that location, or if the probe does not have enough arguments,