/* Everything about syscall catchpoints, for GDB.
- Copyright (C) 2009-2016 Free Software Foundation, Inc.
+ Copyright (C) 2009-2017 Free Software Foundation, Inc.
This file is part of GDB.
#include "xml-syscall.h"
/* An instance of this type is used to represent a syscall catchpoint.
- It includes a "struct breakpoint" as a kind of base class; users
- downcast to "struct breakpoint *" when needed. A breakpoint is
- really of this type iff its ops pointer points to
+ A breakpoint is really of this type iff its ops pointer points to
CATCH_SYSCALL_BREAKPOINT_OPS. */
-struct syscall_catchpoint
+struct syscall_catchpoint : public breakpoint
{
- /* The base class. */
- struct breakpoint base;
+ ~syscall_catchpoint () override;
/* Syscall numbers used for the 'catch syscall' feature. If no
syscall has been specified for filtering, its value is NULL.
VEC(int) *syscalls_to_be_caught;
};
-/* Implement the "dtor" breakpoint_ops method for syscall
- catchpoints. */
+/* catch_syscall destructor. */
-static void
-dtor_catch_syscall (struct breakpoint *b)
+syscall_catchpoint::~syscall_catchpoint ()
{
- struct syscall_catchpoint *c = (struct syscall_catchpoint *) b;
-
- VEC_free (int, c->syscalls_to_be_caught);
-
- base_breakpoint_ops.dtor (b);
+ VEC_free (int, this->syscalls_to_be_caught);
}
static const struct inferior_data *catch_syscall_inferior_data = NULL;
catchpoints. */
static int
-remove_catch_syscall (struct bp_location *bl)
+remove_catch_syscall (struct bp_location *bl, enum remove_bp_reason reason)
{
struct syscall_catchpoint *c = (struct syscall_catchpoint *) bl->owner;
struct inferior *inf = current_inferior ();
maybe_print_thread_hit_breakpoint (uiout);
if (b->disposition == disp_del)
- ui_out_text (uiout, "Temporary catchpoint ");
+ uiout->text ("Temporary catchpoint ");
else
- ui_out_text (uiout, "Catchpoint ");
- if (ui_out_is_mi_like_p (uiout))
+ uiout->text ("Catchpoint ");
+ if (uiout->is_mi_like_p ())
{
- ui_out_field_string (uiout, "reason",
+ uiout->field_string ("reason",
async_reason_lookup (last.kind == TARGET_WAITKIND_SYSCALL_ENTRY
? EXEC_ASYNC_SYSCALL_ENTRY
: EXEC_ASYNC_SYSCALL_RETURN));
- ui_out_field_string (uiout, "disp", bpdisp_text (b->disposition));
+ uiout->field_string ("disp", bpdisp_text (b->disposition));
}
- ui_out_field_int (uiout, "bkptno", b->number);
+ uiout->field_int ("bkptno", b->number);
if (last.kind == TARGET_WAITKIND_SYSCALL_ENTRY)
- ui_out_text (uiout, " (call to syscall ");
+ uiout->text (" (call to syscall ");
else
- ui_out_text (uiout, " (returned from syscall ");
+ uiout->text (" (returned from syscall ");
- if (s.name == NULL || ui_out_is_mi_like_p (uiout))
- ui_out_field_int (uiout, "syscall-number", last.value.syscall_number);
+ if (s.name == NULL || uiout->is_mi_like_p ())
+ uiout->field_int ("syscall-number", last.value.syscall_number);
if (s.name != NULL)
- ui_out_field_string (uiout, "syscall-name", s.name);
+ uiout->field_string ("syscall-name", s.name);
- ui_out_text (uiout, "), ");
+ uiout->text ("), ");
return PRINT_SRC_AND_LOC;
}
line up too nicely with the headers, but the effect is relatively
readable). */
if (opts.addressprint)
- ui_out_field_skip (uiout, "addr");
+ uiout->field_skip ("addr");
annotate_field (5);
if (c->syscalls_to_be_caught
&& VEC_length (int, c->syscalls_to_be_caught) > 1)
- ui_out_text (uiout, "syscalls \"");
+ uiout->text ("syscalls \"");
else
- ui_out_text (uiout, "syscall \"");
+ uiout->text ("syscall \"");
if (c->syscalls_to_be_caught)
{
}
/* Remove the last comma. */
text[strlen (text) - 2] = '\0';
- ui_out_field_string (uiout, "what", text);
+ uiout->field_string ("what", text);
}
else
- ui
_out_field_string (uiout, "what", "<any syscall>");
- ui_out_text (uiout, "\" ");
+ ui
out->field_string ("what", "<any syscall>");
+ uiout->text ("\" ");
- if (ui_out_is_mi_like_p (uiout))
- ui_out_field_string (uiout, "catch-type", "syscall");
+ if (uiout->is_mi_like_p ())
+ uiout->field_string ("catch-type", "syscall");
}
/* Implement the "print_mention" breakpoint_ops method for syscall
struct syscall_catchpoint *c;
struct gdbarch *gdbarch = get_current_arch ();
- c = XNEW (struct syscall_catchpoint);
- init_catchpoint (&c->base, gdbarch, tempflag, NULL, ops);
+ c = new syscall_catchpoint ();
+ init_catchpoint (c, gdbarch, tempflag, NULL, ops);
c->syscalls_to_be_caught = filter;
- install_breakpoint (0, &c->base, 1);
+ install_breakpoint (0, c, 1);
}
/* Splits the argument using space as delimiter. Returns an xmalloc'd
}
/* Complete syscall names. Used by "catch syscall". */
-static VEC (char_ptr) *
+
+static void
catch_syscall_completer (struct cmd_list_element *cmd,
+ completion_tracker &tracker,
const char *text, const char *word)
{
struct gdbarch *gdbarch = get_current_arch ();
struct cleanup *cleanups = make_cleanup (null_cleanup, NULL);
- VEC (char_ptr) *group_retlist = NULL;
- VEC (char_ptr) *syscall_retlist = NULL;
- VEC (char_ptr) *retlist = NULL;
const char **group_list = NULL;
const char **syscall_list = NULL;
const char *prefix;
{
/* Perform completion inside 'group:' namespace only. */
group_list = get_syscall_group_names (gdbarch);
- retlist = (group_list == NULL
- ? NULL : complete_on_enum (group_list, word, word));
+ if (group_list != NULL)
+ complete_on_enum (tracker, group_list, word, word);
}
else
{
make_cleanup (xfree, prefixed_group);
}
- syscall_retlist = ((syscall_list == NULL)
- ? NULL : complete_on_enum (syscall_list, word, word));
- group_retlist = ((group_list == NULL)
- ? NULL : complete_on_enum (group_list, word, word));
-
- retlist = VEC_merge (char_ptr, syscall_retlist, group_retlist);
+ if (syscall_list != NULL)
+ complete_on_enum (tracker, syscall_list, word, word);
+ if (group_list != NULL)
+ complete_on_enum (tracker, group_list, word, word);
}
- VEC_free (char_ptr, syscall_retlist);
- VEC_free (char_ptr, group_retlist);
xfree (syscall_list);
xfree (group_list);
do_cleanups (cleanups);
-
- return retlist;
}
static void
/* Syscall catchpoints. */
ops = &catch_syscall_breakpoint_ops;
*ops = base_breakpoint_ops;
- ops->dtor = dtor_catch_syscall;
ops->insert_location = insert_catch_syscall;
ops->remove_location = remove_catch_syscall;
ops->breakpoint_hit = breakpoint_hit_catch_syscall;
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