/* Generic static probe support for GDB.
- Copyright (C) 2012-2016 Free Software Foundation, Inc.
+ Copyright (C) 2012-2024 Free Software Foundation, Inc.
This file is part of GDB.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-#include "defs.h"
#include "probe.h"
#include "command.h"
#include "cli/cli-cmds.h"
#include "progspace.h"
#include "filenames.h"
#include "linespec.h"
-#include "gdb_regex.h"
+#include "gdbsupport/gdb_regex.h"
#include "frame.h"
#include "arch-utils.h"
#include "value.h"
#include "ax-gdb.h"
#include "location.h"
#include <ctype.h>
+#include <algorithm>
+#include <optional>
-typedef struct bound_probe bound_probe_s;
-DEF_VEC_O (bound_probe_s);
+/* Class that implements the static probe methods for "any" probe. */
-\f
+class any_static_probe_ops : public static_probe_ops
+{
+public:
+ /* See probe.h. */
+ bool is_linespec (const char **linespecp) const override;
+
+ /* See probe.h. */
+ void get_probes (std::vector<std::unique_ptr<probe>> *probesp,
+ struct objfile *objfile) const override;
+
+ /* See probe.h. */
+ const char *type_name () const override;
+
+ /* See probe.h. */
+ std::vector<struct info_probe_column> gen_info_probes_table_header
+ () const override;
+};
+
+/* Static operations associated with a generic probe. */
+
+const any_static_probe_ops any_static_probe_ops {};
+
+/* A helper for parse_probes that decodes a probe specification in
+ SEARCH_PSPACE. It appends matching SALs to RESULT. */
+
+static void
+parse_probes_in_pspace (const static_probe_ops *spops,
+ struct program_space *search_pspace,
+ const char *objfile_namestr,
+ const char *provider,
+ const char *name,
+ std::vector<symtab_and_line> *result)
+{
+ for (objfile *objfile : search_pspace->objfiles ())
+ {
+ if (!objfile->sf || !objfile->sf->sym_probe_fns)
+ continue;
+
+ if (objfile_namestr
+ && FILENAME_CMP (objfile_name (objfile), objfile_namestr) != 0
+ && FILENAME_CMP (lbasename (objfile_name (objfile)),
+ objfile_namestr) != 0)
+ continue;
+
+ const std::vector<std::unique_ptr<probe>> &probes
+ = objfile->sf->sym_probe_fns->sym_get_probes (objfile);
+
+ for (auto &p : probes)
+ {
+ if (spops != &any_static_probe_ops && p->get_static_ops () != spops)
+ continue;
+
+ if (provider != NULL && p->get_provider () != provider)
+ continue;
+
+ if (p->get_name () != name)
+ continue;
+
+ symtab_and_line sal;
+ sal.pc = p->get_relocated_address (objfile);
+ sal.explicit_pc = 1;
+ sal.section = find_pc_overlay (sal.pc);
+ sal.pspace = search_pspace;
+ sal.prob = p.get ();
+ sal.objfile = objfile;
+
+ result->push_back (std::move (sal));
+ }
+ }
+}
/* See definition in probe.h. */
-struct symtabs_and_lines
-parse_probes (const struct event_location *location,
+std::vector<symtab_and_line>
+parse_probes (const location_spec *locspec,
+ struct program_space *search_pspace,
struct linespec_result *canonical)
{
char *arg_end, *arg;
char *objfile_namestr = NULL, *provider = NULL, *name, *p;
- struct cleanup *cleanup;
- struct symtabs_and_lines result;
- struct objfile *objfile;
- struct program_space *pspace;
- const struct probe_ops *probe_ops;
const char *arg_start, *cs;
- result.sals = NULL;
- result.nelts = 0;
-
- gdb_assert (event_location_type (location) == PROBE_LOCATION);
- arg_start = get_probe_location (location);
+ gdb_assert (locspec->type () == PROBE_LOCATION_SPEC);
+ arg_start = locspec->to_string ();
cs = arg_start;
- probe_ops = probe_linespec_to_ops (&cs);
- if (probe_ops == NULL)
+ const static_probe_ops *spops = probe_linespec_to_static_ops (&cs);
+ if (spops == NULL)
error (_("'%s' is not a probe linespec"), arg_start);
arg = (char *) cs;
arg_end = skip_to_space (arg);
/* We make a copy here so we can write over parts with impunity. */
- arg = savestring (arg, arg_end - arg);
- cleanup = make_cleanup (xfree, arg);
+ std::string copy (arg, arg_end - arg);
+ arg = ©[0];
/* Extract each word from the argument, separated by ":"s. */
p = strchr (arg, ':');
if (objfile_namestr && *objfile_namestr == '\0')
error (_("invalid objfile name"));
- ALL_PSPACES (pspace)
- ALL_PSPACE_OBJFILES (pspace, objfile)
- {
- VEC (probe_p) *probes;
- struct probe *probe;
- int ix;
-
- if (!objfile->sf || !objfile->sf->sym_probe_fns)
- continue;
-
- if (objfile_namestr
- && FILENAME_CMP (objfile_name (objfile), objfile_namestr) != 0
- && FILENAME_CMP (lbasename (objfile_name (objfile)),
- objfile_namestr) != 0)
- continue;
-
- probes = objfile->sf->sym_probe_fns->sym_get_probes (objfile);
-
- for (ix = 0; VEC_iterate (probe_p, probes, ix, probe); ix++)
- {
- struct symtab_and_line *sal;
-
- if (probe_ops != &probe_ops_any && probe->pops != probe_ops)
- continue;
-
- if (provider && strcmp (probe->provider, provider) != 0)
- continue;
-
- if (strcmp (probe->name, name) != 0)
- continue;
-
- ++result.nelts;
- result.sals = XRESIZEVEC (struct symtab_and_line, result.sals,
- result.nelts);
- sal = &result.sals[result.nelts - 1];
-
- init_sal (sal);
-
- sal->pc = get_probe_address (probe, objfile);
- sal->explicit_pc = 1;
- sal->section = find_pc_overlay (sal->pc);
- sal->pspace = pspace;
- sal->probe = probe;
- sal->objfile = objfile;
- }
- }
+ std::vector<symtab_and_line> result;
+ if (search_pspace != NULL)
+ {
+ parse_probes_in_pspace (spops, search_pspace, objfile_namestr,
+ provider, name, &result);
+ }
+ else
+ {
+ for (struct program_space *pspace : program_spaces)
+ parse_probes_in_pspace (spops, pspace, objfile_namestr,
+ provider, name, &result);
+ }
- if (result.nelts == 0)
+ if (result.empty ())
{
throw_error (NOT_FOUND_ERROR,
_("No probe matching objfile=`%s', provider=`%s', name=`%s'"),
if (canonical)
{
- char *canon;
-
- canon = savestring (arg_start, arg_end - arg_start);
- make_cleanup (xfree, canon);
+ std::string canon (arg_start, arg_end - arg_start);
canonical->special_display = 1;
canonical->pre_expanded = 1;
- canonical->location = new_probe_location (canon);
+ canonical->locspec = new_probe_location_spec (std::move (canon));
}
- do_cleanups (cleanup);
-
return result;
}
/* See definition in probe.h. */
-VEC (probe_p) *
+std::vector<probe *>
find_probes_in_objfile (struct objfile *objfile, const char *provider,
const char *name)
{
- VEC (probe_p) *probes, *result = NULL;
- int ix;
- struct probe *probe;
+ std::vector<probe *> result;
if (!objfile->sf || !objfile->sf->sym_probe_fns)
- return NULL;
+ return result;
- probes = objfile->sf->sym_probe_fns->sym_get_probes (objfile);
- for (ix = 0; VEC_iterate (probe_p, probes, ix, probe); ix++)
+ const std::vector<std::unique_ptr<probe>> &probes
+ = objfile->sf->sym_probe_fns->sym_get_probes (objfile);
+ for (auto &p : probes)
{
- if (strcmp (probe->provider, provider) != 0)
+ if (p->get_provider () != provider)
continue;
- if (strcmp (probe->name, name) != 0)
+ if (p->get_name () != name)
continue;
- VEC_safe_push (probe_p, result, probe);
+ result.push_back (p.get ());
}
return result;
struct bound_probe
find_probe_by_pc (CORE_ADDR pc)
{
- struct objfile *objfile;
struct bound_probe result;
result.objfile = NULL;
- result.probe = NULL;
+ result.prob = NULL;
- ALL_OBJFILES (objfile)
- {
- VEC (probe_p) *probes;
- int ix;
- struct probe *probe;
-
- if (!objfile->sf || !objfile->sf->sym_probe_fns
- || objfile->sect_index_text == -1)
- continue;
-
- /* If this proves too inefficient, we can replace with a hash. */
- probes = objfile->sf->sym_probe_fns->sym_get_probes (objfile);
- for (ix = 0; VEC_iterate (probe_p, probes, ix, probe); ix++)
- if (get_probe_address (probe, objfile) == pc)
- {
- result.objfile = objfile;
- result.probe = probe;
- return result;
- }
- }
+ for (objfile *objfile : current_program_space->objfiles ())
+ {
+ if (!objfile->sf || !objfile->sf->sym_probe_fns
+ || objfile->sect_index_text == -1)
+ continue;
+
+ /* If this proves too inefficient, we can replace with a hash. */
+ const std::vector<std::unique_ptr<probe>> &probes
+ = objfile->sf->sym_probe_fns->sym_get_probes (objfile);
+ for (auto &p : probes)
+ if (p->get_relocated_address (objfile) == pc)
+ {
+ result.objfile = objfile;
+ result.prob = p.get ();
+ return result;
+ }
+ }
return result;
}
\f
/* Make a vector of probes matching OBJNAME, PROVIDER, and PROBE_NAME.
- If POPS is not NULL, only probes of this certain probe_ops will match.
- Each argument is a regexp, or NULL, which matches anything. */
+ If SPOPS is not &any_static_probe_ops, only probes related to this
+ specific static probe ops will match. Each argument is a regexp,
+ or NULL, which matches anything. */
-static VEC (bound_probe_s) *
-collect_probes (char *objname, char *provider, char *probe_name,
- const struct probe_ops *pops)
+static std::vector<bound_probe>
+collect_probes (const std::string &objname, const std::string &provider,
+ const std::string &probe_name, const static_probe_ops *spops)
{
- struct objfile *objfile;
- VEC (bound_probe_s) *result = NULL;
- struct cleanup *cleanup, *cleanup_temps;
- regex_t obj_pat, prov_pat, probe_pat;
-
- cleanup = make_cleanup (VEC_cleanup (bound_probe_s), &result);
-
- cleanup_temps = make_cleanup (null_cleanup, NULL);
- if (provider != NULL)
- compile_rx_or_error (&prov_pat, provider, _("Invalid provider regexp"));
- if (probe_name != NULL)
- compile_rx_or_error (&probe_pat, probe_name, _("Invalid probe regexp"));
- if (objname != NULL)
- compile_rx_or_error (&obj_pat, objname, _("Invalid object file regexp"));
-
- ALL_OBJFILES (objfile)
+ std::vector<bound_probe> result;
+ std::optional<compiled_regex> obj_pat, prov_pat, probe_pat;
+
+ if (!provider.empty ())
+ prov_pat.emplace (provider.c_str (), REG_NOSUB,
+ _("Invalid provider regexp"));
+ if (!probe_name.empty ())
+ probe_pat.emplace (probe_name.c_str (), REG_NOSUB,
+ _("Invalid probe regexp"));
+ if (!objname.empty ())
+ obj_pat.emplace (objname.c_str (), REG_NOSUB,
+ _("Invalid object file regexp"));
+
+ for (objfile *objfile : current_program_space->objfiles ())
{
- VEC (probe_p) *probes;
- struct probe *probe;
- int ix;
-
if (! objfile->sf || ! objfile->sf->sym_probe_fns)
continue;
- if (objname)
+ if (obj_pat)
{
- if (regexec (&obj_pat, objfile_name (objfile), 0, NULL, 0) != 0)
+ if (obj_pat->exec (objfile_name (objfile), 0, NULL, 0) != 0)
continue;
}
- probes = objfile->sf->sym_probe_fns->sym_get_probes (objfile);
+ const std::vector<std::unique_ptr<probe>> &probes
+ = objfile->sf->sym_probe_fns->sym_get_probes (objfile);
- for (ix = 0; VEC_iterate (probe_p, probes, ix, probe); ix++)
+ for (auto &p : probes)
{
- struct bound_probe bound;
-
- if (pops != NULL && probe->pops != pops)
+ if (spops != &any_static_probe_ops && p->get_static_ops () != spops)
continue;
- if (provider
- && regexec (&prov_pat, probe->provider, 0, NULL, 0) != 0)
+ if (prov_pat
+ && prov_pat->exec (p->get_provider ().c_str (), 0, NULL, 0) != 0)
continue;
- if (probe_name
- && regexec (&probe_pat, probe->name, 0, NULL, 0) != 0)
+ if (probe_pat
+ && probe_pat->exec (p->get_name ().c_str (), 0, NULL, 0) != 0)
continue;
- bound.objfile = objfile;
- bound.probe = probe;
- VEC_safe_push (bound_probe_s, result, &bound);
+ result.emplace_back (p.get (), objfile);
}
}
- do_cleanups (cleanup_temps);
- discard_cleanups (cleanup);
return result;
}
/* A qsort comparison function for bound_probe_s objects. */
-static int
-compare_probes (const void *a, const void *b)
+static bool
+compare_probes (const bound_probe &a, const bound_probe &b)
{
- const struct bound_probe *pa = (const struct bound_probe *) a;
- const struct bound_probe *pb = (const struct bound_probe *) b;
int v;
- v = strcmp (pa->probe->provider, pb->probe->provider);
- if (v)
- return v;
+ v = a.prob->get_provider ().compare (b.prob->get_provider ());
+ if (v != 0)
+ return v < 0;
- v = strcmp (pa->probe->name, pb->probe->name);
- if (v)
- return v;
+ v = a.prob->get_name ().compare (b.prob->get_name ());
+ if (v != 0)
+ return v < 0;
- if (pa->probe->address < pb->probe->address)
- return -1;
- if (pa->probe->address > pb->probe->address)
- return 1;
+ if (a.prob->get_address () != b.prob->get_address ())
+ return a.prob->get_address () < b.prob->get_address ();
- return strcmp (objfile_name (pa->objfile), objfile_name (pb->objfile));
+ return strcmp (objfile_name (a.objfile), objfile_name (b.objfile)) < 0;
}
/* Helper function that generate entries in the ui_out table being
crafted by `info_probes_for_ops'. */
static void
-gen_ui_out_table_header_info (VEC (bound_probe_s) *probes,
- const struct probe_ops *p)
+gen_ui_out_table_header_info (const std::vector<bound_probe> &probes,
+ const static_probe_ops *spops)
{
/* `headings' refers to the names of the columns when printing `info
probes'. */
- VEC (info_probe_column_s) *headings = NULL;
- struct cleanup *c;
- info_probe_column_s *column;
- size_t headings_size;
- int ix;
-
- gdb_assert (p != NULL);
-
- if (p->gen_info_probes_table_header == NULL
- && p->gen_info_probes_table_values == NULL)
- return;
-
- gdb_assert (p->gen_info_probes_table_header != NULL
- && p->gen_info_probes_table_values != NULL);
-
- c = make_cleanup (VEC_cleanup (info_probe_column_s), &headings);
- p->gen_info_probes_table_header (&headings);
+ gdb_assert (spops != NULL);
- headings_size = VEC_length (info_probe_column_s, headings);
+ std::vector<struct info_probe_column> headings
+ = spops->gen_info_probes_table_header ();
- for (ix = 0;
- VEC_iterate (info_probe_column_s, headings, ix, column);
- ++ix)
+ for (const info_probe_column &column : headings)
{
- struct bound_probe *probe;
- int jx;
- size_t size_max = strlen (column->print_name);
+ size_t size_max = strlen (column.print_name);
- for (jx = 0; VEC_iterate (bound_probe_s, probes, jx, probe); ++jx)
+ for (const bound_probe &probe : probes)
{
/* `probe_fields' refers to the values of each new field that this
probe will display. */
- VEC (const_char_ptr) *probe_fields = NULL;
- struct cleanup *c2;
- const char *val;
- int kx;
- if (probe->probe->pops != p)
+ if (probe.prob->get_static_ops () != spops)
continue;
- c2 = make_cleanup (VEC_cleanup (const_char_ptr), &probe_fields);
- p->gen_info_probes_table_values (probe->probe, &probe_fields);
+ std::vector<const char *> probe_fields
+ = probe.prob->gen_info_probes_table_values ();
- gdb_assert (VEC_length (const_char_ptr, probe_fields)
- == headings_size);
+ gdb_assert (probe_fields.size () == headings.size ());
- for (kx = 0; VEC_iterate (const_char_ptr, probe_fields, kx, val);
- ++kx)
+ for (const char *val : probe_fields)
{
/* It is valid to have a NULL value here, which means that the
backend does not have something to write and this particular
if (val == NULL)
continue;
- size_max = max (strlen (val), size_max);
+ size_max = std::max (strlen (val), size_max);
}
- do_cleanups (c2);
}
- ui_out_table_header (current_uiout, size_max, ui_left,
- column->field_name, column->print_name);
+ current_uiout->table_header (size_max, ui_left,
+ column.field_name, column.print_name);
}
-
- do_cleanups (c);
}
/* Helper function to print not-applicable strings for all the extra
- columns defined in a probe_ops. */
+ columns defined in a static_probe_ops. */
static void
-print_ui_out_not_applicables (const struct probe_ops *pops)
+print_ui_out_not_applicables (const static_probe_ops *spops)
{
- struct cleanup *c;
- VEC (info_probe_column_s) *headings = NULL;
- info_probe_column_s *column;
- int ix;
-
- if (pops->gen_info_probes_table_header == NULL)
- return;
-
- c = make_cleanup (VEC_cleanup (info_probe_column_s), &headings);
- pops->gen_info_probes_table_header (&headings);
+ std::vector<struct info_probe_column> headings
+ = spops->gen_info_probes_table_header ();
- for (ix = 0;
- VEC_iterate (info_probe_column_s, headings, ix, column);
- ++ix)
- ui_out_field_string (current_uiout, column->field_name, _("n/a"));
-
- do_cleanups (c);
+ for (const info_probe_column &column : headings)
+ current_uiout->field_string (column.field_name, _("n/a"));
}
/* Helper function to print extra information about a probe and an objfile
represented by PROBE. */
static void
-print_ui_out_info (struct probe *probe)
+print_ui_out_info (probe *probe)
{
- int ix;
- int j = 0;
/* `values' refers to the actual values of each new field in the output
of `info probe'. `headings' refers to the names of each new field. */
- VEC (const_char_ptr) *values = NULL;
- VEC (info_probe_column_s) *headings = NULL;
- info_probe_column_s *column;
- struct cleanup *c;
-
gdb_assert (probe != NULL);
- gdb_assert (probe->pops != NULL);
-
- if (probe->pops->gen_info_probes_table_header == NULL
- && probe->pops->gen_info_probes_table_values == NULL)
- return;
-
- gdb_assert (probe->pops->gen_info_probes_table_header != NULL
- && probe->pops->gen_info_probes_table_values != NULL);
-
- c = make_cleanup (VEC_cleanup (info_probe_column_s), &headings);
- make_cleanup (VEC_cleanup (const_char_ptr), &values);
-
- probe->pops->gen_info_probes_table_header (&headings);
- probe->pops->gen_info_probes_table_values (probe, &values);
+ std::vector<struct info_probe_column> headings
+ = probe->get_static_ops ()->gen_info_probes_table_header ();
+ std::vector<const char *> values
+ = probe->gen_info_probes_table_values ();
- gdb_assert (VEC_length (info_probe_column_s, headings)
- == VEC_length (const_char_ptr, values));
+ gdb_assert (headings.size () == values.size ());
- for (ix = 0;
- VEC_iterate (info_probe_column_s, headings, ix, column);
- ++ix)
+ for (int ix = 0; ix < headings.size (); ++ix)
{
- const char *val = VEC_index (const_char_ptr, values, j++);
+ struct info_probe_column column = headings[ix];
+ const char *val = values[ix];
if (val == NULL)
- ui_out_field_skip (current_uiout, column->field_name);
+ current_uiout->field_skip (column.field_name);
else
- ui_out_field_string (current_uiout, column->field_name, val);
+ current_uiout->field_string (column.field_name, val);
}
-
- do_cleanups (c);
}
/* Helper function that returns the number of extra fields which POPS will
need. */
static int
-get_number_extra_fields (const struct probe_ops *pops)
+get_number_extra_fields (const static_probe_ops *spops)
{
- VEC (info_probe_column_s) *headings = NULL;
- struct cleanup *c;
- int n;
-
- if (pops->gen_info_probes_table_header == NULL)
- return 0;
-
- c = make_cleanup (VEC_cleanup (info_probe_column_s), &headings);
- pops->gen_info_probes_table_header (&headings);
-
- n = VEC_length (info_probe_column_s, headings);
-
- do_cleanups (c);
-
- return n;
+ return spops->gen_info_probes_table_header ().size ();
}
-/* Helper function that returns 1 if there is a probe in PROBES
- featuring the given POPS. It returns 0 otherwise. */
+/* Helper function that returns true if there is a probe in PROBES
+ featuring the given SPOPS. It returns false otherwise. */
-static int
-exists_probe_with_pops (VEC (bound_probe_s) *probes,
- const struct probe_ops *pops)
+static bool
+exists_probe_with_spops (const std::vector<bound_probe> &probes,
+ const static_probe_ops *spops)
{
- struct bound_probe *probe;
- int ix;
-
- for (ix = 0; VEC_iterate (bound_probe_s, probes, ix, probe); ++ix)
- if (probe->probe->pops == pops)
- return 1;
+ for (const bound_probe &probe : probes)
+ if (probe.prob->get_static_ops () == spops)
+ return true;
- return 0;
+ return false;
}
/* Helper function that parses a probe linespec of the form [PROVIDER
[PROBE [OBJNAME]]] from the provided string STR. */
static void
-parse_probe_linespec (const char *str, char **provider,
- char **probe_name, char **objname)
+parse_probe_linespec (const char *str, std::string *provider,
+ std::string *probe_name, std::string *objname)
{
- *probe_name = *objname = NULL;
+ *probe_name = *objname = "";
- *provider = extract_arg_const (&str);
- if (*provider != NULL)
+ *provider = extract_arg (&str);
+ if (!provider->empty ())
{
- *probe_name = extract_arg_const (&str);
- if (*probe_name != NULL)
- *objname = extract_arg_const (&str);
+ *probe_name = extract_arg (&str);
+ if (!probe_name->empty ())
+ *objname = extract_arg (&str);
}
}
/* See comment in probe.h. */
void
-info_probes_for_ops (const char *arg, int from_tty,
- const struct probe_ops *pops)
+info_probes_for_spops (const char *arg, int from_tty,
+ const static_probe_ops *spops)
{
- char *provider, *probe_name = NULL, *objname = NULL;
- struct cleanup *cleanup = make_cleanup (null_cleanup, NULL);
- VEC (bound_probe_s) *probes;
- int i, any_found;
+ std::string provider, probe_name, objname;
+ int any_found;
int ui_out_extra_fields = 0;
size_t size_addr;
size_t size_name = strlen ("Name");
size_t size_objname = strlen ("Object");
size_t size_provider = strlen ("Provider");
size_t size_type = strlen ("Type");
- struct bound_probe *probe;
struct gdbarch *gdbarch = get_current_arch ();
parse_probe_linespec (arg, &provider, &probe_name, &objname);
- make_cleanup (xfree, provider);
- make_cleanup (xfree, probe_name);
- make_cleanup (xfree, objname);
- probes = collect_probes (objname, provider, probe_name, pops);
- make_cleanup (VEC_cleanup (probe_p), &probes);
+ std::vector<bound_probe> probes
+ = collect_probes (objname, provider, probe_name, spops);
- if (pops == NULL)
+ if (spops == &any_static_probe_ops)
{
- const struct probe_ops *po;
- int ix;
-
- /* If the probe_ops is NULL, it means the user has requested a "simple"
- `info probes', i.e., she wants to print all information about all
- probes. For that, we have to identify how many extra fields we will
- need to add in the ui_out table.
-
- To do that, we iterate over all probe_ops, querying each one about
- its extra fields, and incrementing `ui_out_extra_fields' to reflect
- that number. But note that we ignore the probe_ops for which no probes
- are defined with the given search criteria. */
-
- for (ix = 0; VEC_iterate (probe_ops_cp, all_probe_ops, ix, po); ++ix)
- if (exists_probe_with_pops (probes, po))
+ /* If SPOPS is &any_static_probe_ops, it means the user has
+ requested a "simple" `info probes', i.e., she wants to print
+ all information about all probes. For that, we have to
+ identify how many extra fields we will need to add in the
+ ui_out table.
+
+ To do that, we iterate over all static_probe_ops, querying
+ each one about its extra fields, and incrementing
+ `ui_out_extra_fields' to reflect that number. But note that
+ we ignore the static_probe_ops for which no probes are
+ defined with the given search criteria. */
+
+ for (const static_probe_ops *po : all_static_probe_ops)
+ if (exists_probe_with_spops (probes, po))
ui_out_extra_fields += get_number_extra_fields (po);
}
else
- ui_out_extra_fields = get_number_extra_fields (pops);
-
- make_cleanup_ui_out_table_begin_end (current_uiout,
- 5 + ui_out_extra_fields,
- VEC_length (bound_probe_s, probes),
- "StaticProbes");
+ ui_out_extra_fields = get_number_extra_fields (spops);
- if (!VEC_empty (bound_probe_s, probes))
- qsort (VEC_address (bound_probe_s, probes),
- VEC_length (bound_probe_s, probes),
- sizeof (bound_probe_s), compare_probes);
+ {
+ ui_out_emit_table table_emitter (current_uiout,
+ 5 + ui_out_extra_fields,
+ probes.size (), "StaticProbes");
- /* What's the size of an address in our architecture? */
- size_addr = gdbarch_addr_bit (gdbarch) == 64 ? 18 : 10;
+ std::sort (probes.begin (), probes.end (), compare_probes);
- /* Determining the maximum size of each field (`type', `provider',
- `name' and `objname'). */
- for (i = 0; VEC_iterate (bound_probe_s, probes, i, probe); ++i)
- {
- const char *probe_type = probe->probe->pops->type_name (probe->probe);
+ /* What's the size of an address in our architecture? */
+ size_addr = gdbarch_addr_bit (gdbarch) == 64 ? 18 : 10;
- size_type = max (strlen (probe_type), size_type);
- size_name = max (strlen (probe->probe->name), size_name);
- size_provider = max (strlen (probe->probe->provider), size_provider);
- size_objname = max (strlen (objfile_name (probe->objfile)), size_objname);
- }
+ /* Determining the maximum size of each field (`type', `provider',
+ `name' and `objname'). */
+ for (const bound_probe &probe : probes)
+ {
+ const char *probe_type = probe.prob->get_static_ops ()->type_name ();
+
+ size_type = std::max (strlen (probe_type), size_type);
+ size_name = std::max (probe.prob->get_name ().size (), size_name);
+ size_provider = std::max (probe.prob->get_provider ().size (),
+ size_provider);
+ size_objname = std::max (strlen (objfile_name (probe.objfile)),
+ size_objname);
+ }
- ui_out_table_header (current_uiout, size_type, ui_left, "type", _("Type"));
- ui_out_table_header (current_uiout, size_provider, ui_left, "provider",
- _("Provider"));
- ui_out_table_header (current_uiout, size_name, ui_left, "name", _("Name"));
- ui_out_table_header (current_uiout, size_addr, ui_left, "addr", _("Where"));
+ current_uiout->table_header (size_type, ui_left, "type", _("Type"));
+ current_uiout->table_header (size_provider, ui_left, "provider",
+ _("Provider"));
+ current_uiout->table_header (size_name, ui_left, "name", _("Name"));
+ current_uiout->table_header (size_addr, ui_left, "addr", _("Where"));
- if (pops == NULL)
- {
- const struct probe_ops *po;
- int ix;
-
- /* We have to generate the table header for each new probe type
- that we will print. Note that this excludes probe types not
- having any defined probe with the search criteria. */
- for (ix = 0; VEC_iterate (probe_ops_cp, all_probe_ops, ix, po); ++ix)
- if (exists_probe_with_pops (probes, po))
- gen_ui_out_table_header_info (probes, po);
- }
- else
- gen_ui_out_table_header_info (probes, pops);
-
- ui_out_table_header (current_uiout, size_objname, ui_left, "object",
- _("Object"));
- ui_out_table_body (current_uiout);
+ if (spops == &any_static_probe_ops)
+ {
+ /* We have to generate the table header for each new probe type
+ that we will print. Note that this excludes probe types not
+ having any defined probe with the search criteria. */
+ for (const static_probe_ops *po : all_static_probe_ops)
+ if (exists_probe_with_spops (probes, po))
+ gen_ui_out_table_header_info (probes, po);
+ }
+ else
+ gen_ui_out_table_header_info (probes, spops);
- for (i = 0; VEC_iterate (bound_probe_s, probes, i, probe); ++i)
- {
- struct cleanup *inner;
- const char *probe_type = probe->probe->pops->type_name (probe->probe);
+ current_uiout->table_header (size_objname, ui_left, "object", _("Object"));
+ current_uiout->table_body ();
- inner = make_cleanup_ui_out_tuple_begin_end (current_uiout, "probe");
+ for (const bound_probe &probe : probes)
+ {
+ const char *probe_type = probe.prob->get_static_ops ()->type_name ();
- ui_out_field_string (current_uiout, "type",probe_type);
- ui_out_field_string (current_uiout, "provider", probe->probe->provider);
- ui_out_field_string (current_uiout, "name", probe->probe->name);
- ui_out_field_core_addr (current_uiout, "addr",
- probe->probe->arch,
- get_probe_address (probe->probe, probe->objfile));
+ ui_out_emit_tuple tuple_emitter (current_uiout, "probe");
- if (pops == NULL)
- {
- const struct probe_ops *po;
- int ix;
-
- for (ix = 0; VEC_iterate (probe_ops_cp, all_probe_ops, ix, po);
- ++ix)
- if (probe->probe->pops == po)
- print_ui_out_info (probe->probe);
- else if (exists_probe_with_pops (probes, po))
- print_ui_out_not_applicables (po);
- }
- else
- print_ui_out_info (probe->probe);
+ current_uiout->field_string ("type", probe_type);
+ current_uiout->field_string ("provider", probe.prob->get_provider ());
+ current_uiout->field_string ("name", probe.prob->get_name ());
+ current_uiout->field_core_addr ("addr", probe.prob->get_gdbarch (),
+ probe.prob->get_relocated_address
+ (probe.objfile));
- ui_out_field_string (current_uiout, "object",
- objfile_name (probe->objfile));
- ui_out_text (current_uiout, "\n");
+ if (spops == &any_static_probe_ops)
+ {
+ for (const static_probe_ops *po : all_static_probe_ops)
+ {
+ if (probe.prob->get_static_ops () == po)
+ print_ui_out_info (probe.prob);
+ else if (exists_probe_with_spops (probes, po))
+ print_ui_out_not_applicables (po);
+ }
+ }
+ else
+ print_ui_out_info (probe.prob);
- do_cleanups (inner);
- }
+ current_uiout->field_string ("object",
+ objfile_name (probe.objfile));
+ current_uiout->text ("\n");
+ }
- any_found = !VEC_empty (bound_probe_s, probes);
- do_cleanups (cleanup);
+ any_found = !probes.empty ();
+ }
if (!any_found)
- ui_out_message (current_uiout, 0, _("No probes matched.\n"));
+ current_uiout->message (_("No probes matched.\n"));
}
/* Implementation of the `info probes' command. */
static void
-info_probes_command (char *arg, int from_tty)
+info_probes_command (const char *arg, int from_tty)
{
- info_probes_for_ops (arg, from_tty, NULL);
+ info_probes_for_spops (arg, from_tty, &any_static_probe_ops);
}
/* Implementation of the `enable probes' command. */
static void
-enable_probes_command (char *arg, int from_tty)
+enable_probes_command (const char *arg, int from_tty)
{
- char *provider, *probe_name = NULL, *objname = NULL;
- struct cleanup *cleanup = make_cleanup (null_cleanup, NULL);
- VEC (bound_probe_s) *probes;
- struct bound_probe *probe;
- int i;
-
- parse_probe_linespec ((const char *) arg, &provider, &probe_name, &objname);
- make_cleanup (xfree, provider);
- make_cleanup (xfree, probe_name);
- make_cleanup (xfree, objname);
-
- probes = collect_probes (objname, provider, probe_name, NULL);
- if (VEC_empty (bound_probe_s, probes))
+ std::string provider, probe_name, objname;
+
+ parse_probe_linespec (arg, &provider, &probe_name, &objname);
+
+ std::vector<bound_probe> probes
+ = collect_probes (objname, provider, probe_name, &any_static_probe_ops);
+ if (probes.empty ())
{
- ui_out_message (current_uiout, 0, _("No probes matched.\n"));
- do_cleanups (cleanup);
+ current_uiout->message (_("No probes matched.\n"));
return;
}
/* Enable the selected probes, provided their backends support the
notion of enabling a probe. */
- for (i = 0; VEC_iterate (bound_probe_s, probes, i, probe); ++i)
+ for (const bound_probe &probe: probes)
{
- const struct probe_ops *pops = probe->probe->pops;
-
- if (pops->enable_probe != NULL)
+ if (probe.prob->get_static_ops ()->can_enable ())
{
- pops->enable_probe (probe->probe);
- ui_out_message (current_uiout, 0,
- _("Probe %s:%s enabled.\n"),
- probe->probe->provider, probe->probe->name);
+ probe.prob->enable ();
+ current_uiout->message (_("Probe %s:%s enabled.\n"),
+ probe.prob->get_provider ().c_str (),
+ probe.prob->get_name ().c_str ());
}
else
- ui_out_message (current_uiout, 0,
- _("Probe %s:%s cannot be enabled.\n"),
- probe->probe->provider, probe->probe->name);
+ current_uiout->message (_("Probe %s:%s cannot be enabled.\n"),
+ probe.prob->get_provider ().c_str (),
+ probe.prob->get_name ().c_str ());
}
-
- do_cleanups (cleanup);
}
/* Implementation of the `disable probes' command. */
static void
-disable_probes_command (char *arg, int from_tty)
+disable_probes_command (const char *arg, int from_tty)
{
- char *provider, *probe_name = NULL, *objname = NULL;
- struct cleanup *cleanup = make_cleanup (null_cleanup, NULL);
- VEC (bound_probe_s) *probes;
- struct bound_probe *probe;
- int i;
-
- parse_probe_linespec ((const char *) arg, &provider, &probe_name, &objname);
- make_cleanup (xfree, provider);
- make_cleanup (xfree, probe_name);
- make_cleanup (xfree, objname);
-
- probes = collect_probes (objname, provider, probe_name, NULL /* pops */);
- if (VEC_empty (bound_probe_s, probes))
+ std::string provider, probe_name, objname;
+
+ parse_probe_linespec (arg, &provider, &probe_name, &objname);
+
+ std::vector<bound_probe> probes
+ = collect_probes (objname, provider, probe_name, &any_static_probe_ops);
+ if (probes.empty ())
{
- ui_out_message (current_uiout, 0, _("No probes matched.\n"));
- do_cleanups (cleanup);
+ current_uiout->message (_("No probes matched.\n"));
return;
}
/* Disable the selected probes, provided their backends support the
notion of enabling a probe. */
- for (i = 0; VEC_iterate (bound_probe_s, probes, i, probe); ++i)
+ for (const bound_probe &probe : probes)
{
- const struct probe_ops *pops = probe->probe->pops;
-
- if (pops->disable_probe != NULL)
+ if (probe.prob->get_static_ops ()->can_enable ())
{
- pops->disable_probe (probe->probe);
- ui_out_message (current_uiout, 0,
- _("Probe %s:%s disabled.\n"),
- probe->probe->provider, probe->probe->name);
+ probe.prob->disable ();
+ current_uiout->message (_("Probe %s:%s disabled.\n"),
+ probe.prob->get_provider ().c_str (),
+ probe.prob->get_name ().c_str ());
}
else
- ui_out_message (current_uiout, 0,
- _("Probe %s:%s cannot be disabled.\n"),
- probe->probe->provider, probe->probe->name);
+ current_uiout->message (_("Probe %s:%s cannot be disabled.\n"),
+ probe.prob->get_provider ().c_str (),
+ probe.prob->get_name ().c_str ());
}
-
- do_cleanups (cleanup);
}
+static bool ignore_probes_p = false;
+static bool ignore_probes_idx = 0;
+static bool ignore_probes_verbose_p;
+static std::optional<compiled_regex> ignore_probes_prov_pat[2];
+static std::optional<compiled_regex> ignore_probes_name_pat[2];
+static std::optional<compiled_regex> ignore_probes_obj_pat[2];
+
/* See comments in probe.h. */
-CORE_ADDR
-get_probe_address (struct probe *probe, struct objfile *objfile)
+bool
+ignore_probe_p (const char *provider, const char *name,
+ const char *objfile_name, const char *type)
{
- return probe->pops->get_probe_address (probe, objfile);
+ if (!ignore_probes_p)
+ return false;
+
+ std::optional<compiled_regex> &re_prov
+ = ignore_probes_prov_pat[ignore_probes_idx];
+ std::optional<compiled_regex> &re_name
+ = ignore_probes_name_pat[ignore_probes_idx];
+ std::optional<compiled_regex> &re_obj
+ = ignore_probes_obj_pat[ignore_probes_idx];
+
+ bool res
+ = ((!re_prov
+ || re_prov->exec (provider, 0, NULL, 0) == 0)
+ && (!re_name
+ || re_name->exec (name, 0, NULL, 0) == 0)
+ && (!re_obj
+ || re_obj->exec (objfile_name, 0, NULL, 0) == 0));
+
+ if (res && ignore_probes_verbose_p)
+ gdb_printf (gdb_stdlog, _("Ignoring %s probe %s %s in %s.\n"),
+ type, provider, name, objfile_name);
+
+ return res;
}
-/* See comments in probe.h. */
+/* Implementation of the `maintenance ignore-probes' command. */
-unsigned
-get_probe_argument_count (struct probe *probe, struct frame_info *frame)
+static void
+ignore_probes_command (const char *arg, int from_tty)
{
- return probe->pops->get_probe_argument_count (probe, frame);
-}
+ std::string ignore_provider, ignore_probe_name, ignore_objname;
-/* See comments in probe.h. */
+ bool verbose_p = false;
+ if (arg != nullptr)
+ {
+ const char *idx = arg;
+ std::string s = extract_arg (&idx);
-int
-can_evaluate_probe_arguments (struct probe *probe)
-{
- return probe->pops->can_evaluate_probe_arguments (probe);
-}
+ if (strcmp (s.c_str (), "-reset") == 0)
+ {
+ if (*idx != '\0')
+ error (_("-reset: no arguments allowed"));
-/* See comments in probe.h. */
+ ignore_probes_p = false;
+ gdb_printf (gdb_stdout, _("ignore-probes filter has been reset\n"));
+ return;
+ }
-struct value *
-evaluate_probe_argument (struct probe *probe, unsigned n,
- struct frame_info *frame)
-{
- return probe->pops->evaluate_probe_argument (probe, n, frame);
+ if (strcmp (s.c_str (), "-verbose") == 0
+ || strcmp (s.c_str (), "-v") == 0)
+ {
+ verbose_p = true;
+ arg = idx;
+ }
+ }
+
+ parse_probe_linespec (arg, &ignore_provider, &ignore_probe_name,
+ &ignore_objname);
+
+ /* Parse the regular expressions, making sure that the old regular
+ expressions are still valid if an exception is throw. */
+ int new_ignore_probes_idx = 1 - ignore_probes_idx;
+ std::optional<compiled_regex> &re_prov
+ = ignore_probes_prov_pat[new_ignore_probes_idx];
+ std::optional<compiled_regex> &re_name
+ = ignore_probes_name_pat[new_ignore_probes_idx];
+ std::optional<compiled_regex> &re_obj
+ = ignore_probes_obj_pat[new_ignore_probes_idx];
+ re_prov.reset ();
+ re_name.reset ();
+ re_obj.reset ();
+ if (!ignore_provider.empty ())
+ re_prov.emplace (ignore_provider.c_str (), REG_NOSUB,
+ _("Invalid provider regexp"));
+ if (!ignore_probe_name.empty ())
+ re_name.emplace (ignore_probe_name.c_str (), REG_NOSUB,
+ _("Invalid probe regexp"));
+ if (!ignore_objname.empty ())
+ re_obj.emplace (ignore_objname.c_str (), REG_NOSUB,
+ _("Invalid object file regexp"));
+ ignore_probes_idx = new_ignore_probes_idx;
+
+ ignore_probes_p = true;
+ ignore_probes_verbose_p = verbose_p;
+ gdb_printf (gdb_stdout, _("ignore-probes filter has been set to:\n"));
+ gdb_printf (gdb_stdout, _("PROVIDER: '%s'\n"), ignore_provider.c_str ());
+ gdb_printf (gdb_stdout, _("PROBE_NAME: '%s'\n"), ignore_probe_name.c_str ());
+ gdb_printf (gdb_stdout, _("OBJNAME: '%s'\n"), ignore_objname.c_str ());
}
/* See comments in probe.h. */
struct value *
-probe_safe_evaluate_at_pc (struct frame_info *frame, unsigned n)
+probe_safe_evaluate_at_pc (const frame_info_ptr &frame, unsigned n)
{
struct bound_probe probe;
unsigned n_args;
probe = find_probe_by_pc (get_frame_pc (frame));
- if (!probe.probe)
+ if (!probe.prob)
return NULL;
- n_args = get_probe_argument_count (probe.probe, frame);
+ n_args = probe.prob->get_argument_count (get_frame_arch (frame));
if (n >= n_args)
return NULL;
- return evaluate_probe_argument (probe.probe, n, frame);
+ return probe.prob->evaluate_argument (n, frame);
}
/* See comment in probe.h. */
-const struct probe_ops *
-probe_linespec_to_ops (const char **linespecp)
+const struct static_probe_ops *
+probe_linespec_to_static_ops (const char **linespecp)
{
- int ix;
- const struct probe_ops *probe_ops;
-
- for (ix = 0; VEC_iterate (probe_ops_cp, all_probe_ops, ix, probe_ops); ix++)
- if (probe_ops->is_linespec (linespecp))
- return probe_ops;
+ for (const static_probe_ops *ops : all_static_probe_ops)
+ if (ops->is_linespec (linespecp))
+ return ops;
return NULL;
}
return 0;
}
-/* Implementation of `is_linespec' method for `struct probe_ops'. */
+/* Implementation of `is_linespec' method. */
-static int
-probe_any_is_linespec (const char **linespecp)
+bool
+any_static_probe_ops::is_linespec (const char **linespecp) const
{
static const char *const keywords[] = { "-p", "-probe", NULL };
return probe_is_linespec_by_keyword (linespecp, keywords);
}
-/* Dummy method used for `probe_ops_any'. */
+/* Implementation of 'get_probes' method. */
-static void
-probe_any_get_probes (VEC (probe_p) **probesp, struct objfile *objfile)
+void
+any_static_probe_ops::get_probes (std::vector<std::unique_ptr<probe>> *probesp,
+ struct objfile *objfile) const
{
/* No probes can be provided by this dummy backend. */
}
-/* Operations associated with a generic probe. */
+/* Implementation of the 'type_name' method. */
-const struct probe_ops probe_ops_any =
+const char *
+any_static_probe_ops::type_name () const
{
- probe_any_is_linespec,
- probe_any_get_probes,
-};
+ return NULL;
+}
+
+/* Implementation of the 'gen_info_probes_table_header' method. */
+
+std::vector<struct info_probe_column>
+any_static_probe_ops::gen_info_probes_table_header () const
+{
+ return std::vector<struct info_probe_column> ();
+}
/* See comments in probe.h. */
subcommand.\n\
If you do not specify any argument, or specify `all', then the command\n\
will show information about all types of probes."),
- &info_probes_cmdlist, "info probes ",
- 0/*allow-unknown*/, &infolist);
+ &info_probes_cmdlist, 0/*allow-unknown*/, &infolist);
return &info_probes_cmdlist;
}
compute_probe_arg (struct gdbarch *arch, struct internalvar *ivar,
void *data)
{
- struct frame_info *frame = get_selected_frame (_("No frame selected"));
+ frame_info_ptr frame = get_selected_frame (_("No frame selected"));
CORE_ADDR pc = get_frame_pc (frame);
int sel = (int) (uintptr_t) data;
struct bound_probe pc_probe;
- const struct sym_probe_fns *pc_probe_fns;
unsigned n_args;
/* SEL == -1 means "_probe_argc". */
gdb_assert (sel >= -1);
pc_probe = find_probe_by_pc (pc);
- if (pc_probe.probe == NULL)
+ if (pc_probe.prob == NULL)
error (_("No probe at PC %s"), core_addr_to_string (pc));
- n_args = get_probe_argument_count (pc_probe.probe, frame);
+ n_args = pc_probe.prob->get_argument_count (arch);
if (sel == -1)
return value_from_longest (builtin_type (arch)->builtin_int, n_args);
error (_("Invalid probe argument %d -- probe has %u arguments available"),
sel, n_args);
- return evaluate_probe_argument (pc_probe.probe, sel, frame);
+ return pc_probe.prob->evaluate_argument (sel, frame);
}
/* This is called to compile one of the $_probe_arg* convenience
CORE_ADDR pc = expr->scope;
int sel = (int) (uintptr_t) data;
struct bound_probe pc_probe;
- const struct sym_probe_fns *pc_probe_fns;
int n_args;
- struct frame_info *frame = get_selected_frame (NULL);
/* SEL == -1 means "_probe_argc". */
gdb_assert (sel >= -1);
pc_probe = find_probe_by_pc (pc);
- if (pc_probe.probe == NULL)
+ if (pc_probe.prob == NULL)
error (_("No probe at PC %s"), core_addr_to_string (pc));
- n_args = get_probe_argument_count (pc_probe.probe, frame);
+ n_args = pc_probe.prob->get_argument_count (expr->gdbarch);
if (sel == -1)
{
error (_("Invalid probe argument %d -- probe has %d arguments available"),
sel, n_args);
- pc_probe.probe->pops->compile_to_ax (pc_probe.probe, expr, value, sel);
+ pc_probe.prob->compile_to_ax (expr, value, sel);
}
static const struct internalvar_funcs probe_funcs =
{
compute_probe_arg,
compile_probe_arg,
- NULL
};
-VEC (probe_ops_cp) *all_probe_ops;
-
-void _initialize_probe (void);
+std::vector<const static_probe_ops *> all_static_probe_ops;
+void _initialize_probe ();
void
-_initialize_probe (void)
+_initialize_probe ()
{
- VEC_safe_push (probe_ops_cp, all_probe_ops, &probe_ops_any);
+ all_static_probe_ops.push_back (&any_static_probe_ops);
create_internalvar_type_lazy ("_probe_argc", &probe_funcs,
(void *) (uintptr_t) -1);
all defined probes."),
&disablelist);
+ add_cmd ("ignore-probes", class_maintenance, ignore_probes_command, _("\
+Ignore probes.\n\
+Usage: maintenance ignore-probes [-v|-verbose] [PROVIDER [NAME [OBJECT]]]\n\
+ maintenance ignore-probes -reset\n\
+Each argument is a regular expression, used to select probes.\n\
+PROVIDER matches probe provider names.\n\
+NAME matches the probe names.\n\
+OBJECT matches the executable or shared library name.\n\
+If you do not specify any argument then the command will ignore\n\
+all defined probes. To reset the ignore-probes filter, use the -reset form.\n\
+Only supported for SystemTap probes."),
+ &maintenancelist);
}
projects / thirdparty / binutils-gdb.git / blobdiff