58 lines
2.4 KiB
C
58 lines
2.4 KiB
C
/* Target signal numbers for GDB and the GDB remote protocol.
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Copyright (C) 1986-2016 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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#ifndef GDB_SIGNALS_H
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#define GDB_SIGNALS_H
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/* The numbering of these signals is chosen to match traditional unix
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signals (insofar as various unices use the same numbers, anyway).
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It is also the numbering of the GDB remote protocol. Other remote
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protocols, if they use a different numbering, should make sure to
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translate appropriately.
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Since these numbers have actually made it out into other software
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(stubs, etc.), you mustn't disturb the assigned numbering. If you
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need to add new signals here, add them to the end of the explicitly
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numbered signals, at the comment marker. Add them unconditionally,
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not within any #if or #ifdef.
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This is based strongly on Unix/POSIX signals for several reasons:
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(1) This set of signals represents a widely-accepted attempt to
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represent events of this sort in a portable fashion, (2) we want a
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signal to make it from wait to child_wait to the user intact, (3) many
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remote protocols use a similar encoding. However, it is
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recognized that this set of signals has limitations (such as not
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distinguishing between various kinds of SIGSEGV, or not
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distinguishing hitting a breakpoint from finishing a single step).
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So in the future we may get around this either by adding additional
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signals for breakpoint, single-step, etc., or by adding signal
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codes; the latter seems more in the spirit of what BSD, System V,
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etc. are doing to address these issues. */
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/* For an explanation of what each signal means, see
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gdb_signal_to_string. */
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enum gdb_signal
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{
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#define SET(symbol, constant, name, string) \
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symbol = constant,
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#include "gdb/signals.def"
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#undef SET
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};
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#endif /* #ifndef GDB_SIGNALS_H */
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