122 lines
3.4 KiB
C
122 lines
3.4 KiB
C
/* Support for complaint handling during symbol reading in GDB.
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Copyright (C) 1990-2018 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "complaints.h"
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#include "command.h"
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#include "gdbcmd.h"
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#include <unordered_map>
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/* Should each complaint message be self explanatory, or should we
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assume that a series of complaints is being produced? */
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enum complaint_series {
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/* Isolated self explanatory message. */
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ISOLATED_MESSAGE,
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/* First message of a series, but does not need to include any sort
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of explanation. */
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SHORT_FIRST_MESSAGE,
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};
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/* Map format strings to counters. */
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static std::unordered_map<const char *, int> counters;
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/* How to print the next complaint. */
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static complaint_series series;
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/* How many complaints about a particular thing should be printed
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before we stop whining about it? Default is no whining at all,
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since so many systems have ill-constructed symbol files. */
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int stop_whining = 0;
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/* See complaints.h. */
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void
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complaint_internal (const char *fmt, ...)
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{
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va_list args;
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if (counters[fmt]++ > stop_whining)
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return;
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va_start (args, fmt);
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if (deprecated_warning_hook)
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(*deprecated_warning_hook) (fmt, args);
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else
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{
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std::string msg = string_vprintf (fmt, args);
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wrap_here ("");
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begin_line ();
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if (series == ISOLATED_MESSAGE)
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fprintf_filtered (gdb_stderr, "During symbol reading, %s.\n",
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msg.c_str ());
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else
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fprintf_filtered (gdb_stderr, "%s...", msg.c_str ());
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}
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/* If GDB dumps core, we'd like to see the complaints first.
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Presumably GDB will not be sending so many complaints that this
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becomes a performance hog. */
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gdb_flush (gdb_stderr);
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va_end (args);
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}
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/* Clear out / initialize all complaint counters that have ever been
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incremented. If LESS_VERBOSE is 1, be less verbose about
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successive complaints, since the messages are appearing all
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together during a command that is reporting a contiguous block of
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complaints (rather than being interleaved with other messages). */
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void
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clear_complaints (int less_verbose)
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{
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counters.clear ();
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if (!less_verbose)
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series = ISOLATED_MESSAGE;
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else
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series = SHORT_FIRST_MESSAGE;
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}
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static void
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complaints_show_value (struct ui_file *file, int from_tty,
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struct cmd_list_element *cmd, const char *value)
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{
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fprintf_filtered (file, _("Max number of complaints about incorrect"
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" symbols is %s.\n"),
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value);
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}
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void
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_initialize_complaints (void)
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{
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add_setshow_zinteger_cmd ("complaints", class_support,
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&stop_whining, _("\
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Set max number of complaints about incorrect symbols."), _("\
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Show max number of complaints about incorrect symbols."), NULL,
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NULL, complaints_show_value,
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&setlist, &showlist);
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}
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