Use std::vector in syscall_catchpoint
This changes syscall_catchpoint to use a std::vector rather than a VEC for "syscalls_to_be_caught". This simplifies the code a bit. ChangeLog 2017-07-22 Tom Tromey <tom@tromey.com> * break-catch-syscall.c (syscall_catchpoint) <syscalls_to_be_caught>: Now a std::vector<int> (~syscall_catchpoint): Remove. (insert_catch_syscall, remove_catch_syscall) (breakpoint_hit_catch_syscall, print_one_catch_syscall) (print_mention_catch_syscall, print_recreate_catch_syscall): Update. (create_syscall_event_catchpoint): Change type of "filter" parameter. (catch_syscall_split_args): Return a std::vector. (catch_syscall_command_1, catching_syscall_number_1): Update.
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Tom Tromey
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@ -1,3 +1,17 @@
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2017-07-22 Tom Tromey <tom@tromey.com>
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* break-catch-syscall.c (syscall_catchpoint)
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<syscalls_to_be_caught>: Now a std::vector<int>
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(~syscall_catchpoint): Remove.
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(insert_catch_syscall, remove_catch_syscall)
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(breakpoint_hit_catch_syscall, print_one_catch_syscall)
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(print_mention_catch_syscall, print_recreate_catch_syscall):
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Update.
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(create_syscall_event_catchpoint): Change type of "filter"
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parameter.
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(catch_syscall_split_args): Return a std::vector.
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(catch_syscall_command_1, catching_syscall_number_1): Update.
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2017-07-22 Tom Tromey <tom@tromey.com>
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* break-catch-throw.c (struct exception_catchpoint)
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@ -36,22 +36,12 @@
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struct syscall_catchpoint : public breakpoint
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{
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~syscall_catchpoint () override;
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/* Syscall numbers used for the 'catch syscall' feature. If no
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syscall has been specified for filtering, its value is NULL.
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Otherwise, it holds a list of all syscalls to be caught. The
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list elements are allocated with xmalloc. */
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VEC(int) *syscalls_to_be_caught;
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syscall has been specified for filtering, it is empty.
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Otherwise, it holds a list of all syscalls to be caught. */
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std::vector<int> syscalls_to_be_caught;
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};
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/* catch_syscall destructor. */
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syscall_catchpoint::~syscall_catchpoint ()
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{
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VEC_free (int, this->syscalls_to_be_caught);
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}
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static const struct inferior_data *catch_syscall_inferior_data = NULL;
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struct catch_syscall_inferior_data
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@ -106,15 +96,11 @@ insert_catch_syscall (struct bp_location *bl)
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= get_catch_syscall_inferior_data (inf);
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++inf_data->total_syscalls_count;
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if (!c->syscalls_to_be_caught)
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if (c->syscalls_to_be_caught.empty ())
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++inf_data->any_syscall_count;
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else
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{
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int i, iter;
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for (i = 0;
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VEC_iterate (int, c->syscalls_to_be_caught, i, iter);
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i++)
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for (int iter : c->syscalls_to_be_caught)
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{
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int elem;
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@ -157,15 +143,11 @@ remove_catch_syscall (struct bp_location *bl, enum remove_bp_reason reason)
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= get_catch_syscall_inferior_data (inf);
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--inf_data->total_syscalls_count;
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if (!c->syscalls_to_be_caught)
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if (c->syscalls_to_be_caught.empty ())
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--inf_data->any_syscall_count;
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else
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{
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int i, iter;
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for (i = 0;
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VEC_iterate (int, c->syscalls_to_be_caught, i, iter);
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i++)
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for (int iter : c->syscalls_to_be_caught)
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{
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int elem;
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if (iter >= VEC_length (int, inf_data->syscalls_counts))
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@ -207,13 +189,9 @@ breakpoint_hit_catch_syscall (const struct bp_location *bl,
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syscall_number = ws->value.syscall_number;
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/* Now, checking if the syscall is the same. */
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if (c->syscalls_to_be_caught)
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if (!c->syscalls_to_be_caught.empty ())
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{
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int i, iter;
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for (i = 0;
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VEC_iterate (int, c->syscalls_to_be_caught, i, iter);
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i++)
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for (int iter : c->syscalls_to_be_caught)
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if (syscall_number == iter)
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return 1;
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@ -296,20 +274,16 @@ print_one_catch_syscall (struct breakpoint *b,
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uiout->field_skip ("addr");
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annotate_field (5);
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if (c->syscalls_to_be_caught
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&& VEC_length (int, c->syscalls_to_be_caught) > 1)
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if (c->syscalls_to_be_caught.size () > 1)
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uiout->text ("syscalls \"");
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else
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uiout->text ("syscall \"");
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if (c->syscalls_to_be_caught)
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if (!c->syscalls_to_be_caught.empty ())
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{
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int i, iter;
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char *text = xstrprintf ("%s", "");
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for (i = 0;
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VEC_iterate (int, c->syscalls_to_be_caught, i, iter);
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i++)
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for (int iter : c->syscalls_to_be_caught)
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{
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char *x = text;
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struct syscall s;
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@ -346,23 +320,19 @@ print_mention_catch_syscall (struct breakpoint *b)
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struct syscall_catchpoint *c = (struct syscall_catchpoint *) b;
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struct gdbarch *gdbarch = b->loc->gdbarch;
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if (c->syscalls_to_be_caught)
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if (!c->syscalls_to_be_caught.empty ())
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{
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int i, iter;
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if (VEC_length (int, c->syscalls_to_be_caught) > 1)
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if (c->syscalls_to_be_caught.size () > 1)
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printf_filtered (_("Catchpoint %d (syscalls"), b->number);
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else
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printf_filtered (_("Catchpoint %d (syscall"), b->number);
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for (i = 0;
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VEC_iterate (int, c->syscalls_to_be_caught, i, iter);
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i++)
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for (int iter : c->syscalls_to_be_caught)
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{
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struct syscall s;
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get_syscall_by_number (gdbarch, iter, &s);
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if (s.name)
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if (s.name != NULL)
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printf_filtered (" '%s' [%d]", s.name, s.number);
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else
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printf_filtered (" %d", s.number);
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@ -385,23 +355,17 @@ print_recreate_catch_syscall (struct breakpoint *b, struct ui_file *fp)
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fprintf_unfiltered (fp, "catch syscall");
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if (c->syscalls_to_be_caught)
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for (int iter : c->syscalls_to_be_caught)
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{
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int i, iter;
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struct syscall s;
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for (i = 0;
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VEC_iterate (int, c->syscalls_to_be_caught, i, iter);
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i++)
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{
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struct syscall s;
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get_syscall_by_number (gdbarch, iter, &s);
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if (s.name)
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fprintf_unfiltered (fp, " %s", s.name);
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else
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fprintf_unfiltered (fp, " %d", s.number);
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}
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get_syscall_by_number (gdbarch, iter, &s);
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if (s.name != NULL)
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fprintf_unfiltered (fp, " %s", s.name);
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else
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fprintf_unfiltered (fp, " %d", s.number);
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}
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print_recreate_thread (b, fp);
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}
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@ -418,7 +382,7 @@ syscall_catchpoint_p (struct breakpoint *b)
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}
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static void
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create_syscall_event_catchpoint (int tempflag, VEC(int) *filter,
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create_syscall_event_catchpoint (int tempflag, std::vector<int> &&filter,
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const struct breakpoint_ops *ops)
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{
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struct syscall_catchpoint *c;
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@ -431,13 +395,12 @@ create_syscall_event_catchpoint (int tempflag, VEC(int) *filter,
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install_breakpoint (0, c, 1);
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}
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/* Splits the argument using space as delimiter. Returns an xmalloc'd
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filter list, or NULL if no filtering is required. */
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static VEC(int) *
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/* Splits the argument using space as delimiter. */
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static std::vector<int>
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catch_syscall_split_args (char *arg)
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{
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VEC(int) *result = NULL;
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struct cleanup *cleanup = make_cleanup (VEC_cleanup (int), &result);
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std::vector<int> result;
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struct gdbarch *gdbarch = target_gdbarch ();
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while (*arg != '\0')
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@ -460,7 +423,7 @@ catch_syscall_split_args (char *arg)
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if (*endptr == '\0')
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{
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get_syscall_by_number (gdbarch, syscall_number, &s);
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VEC_safe_push (int, result, s.number);
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result.push_back (s.number);
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}
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else if (startswith (cur_name, "g:")
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|| startswith (cur_name, "group:"))
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@ -482,7 +445,7 @@ catch_syscall_split_args (char *arg)
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{
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/* Insert each syscall that are part of the group. No
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need to check if it is valid. */
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VEC_safe_push (int, result, syscall_list[i].number);
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result.push_back (syscall_list[i].number);
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}
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xfree (syscall_list);
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@ -500,11 +463,10 @@ catch_syscall_split_args (char *arg)
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error (_("Unknown syscall name '%s'."), cur_name);
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/* Ok, it's valid. */
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VEC_safe_push (int, result, s.number);
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result.push_back (s.number);
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}
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}
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discard_cleanups (cleanup);
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return result;
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}
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@ -515,7 +477,7 @@ catch_syscall_command_1 (char *arg, int from_tty,
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struct cmd_list_element *command)
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{
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int tempflag;
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VEC(int) *filter;
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std::vector<int> filter;
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struct syscall s;
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struct gdbarch *gdbarch = get_current_arch ();
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@ -542,10 +504,8 @@ this architecture yet."));
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if (arg != NULL)
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filter = catch_syscall_split_args (arg);
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else
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filter = NULL;
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create_syscall_event_catchpoint (tempflag, filter,
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create_syscall_event_catchpoint (tempflag, std::move (filter),
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&catch_syscall_breakpoint_ops);
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}
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@ -586,12 +546,9 @@ catching_syscall_number_1 (struct breakpoint *b,
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{
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struct syscall_catchpoint *c = (struct syscall_catchpoint *) b;
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if (c->syscalls_to_be_caught)
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if (!c->syscalls_to_be_caught.empty ())
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{
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int i, iter;
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for (i = 0;
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VEC_iterate (int, c->syscalls_to_be_caught, i, iter);
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i++)
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for (int iter : c->syscalls_to_be_caught)
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if (syscall_number == iter)
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return 1;
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}
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