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61baf725ec
This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.
gdb/ChangeLog:
Update copyright year range in all GDB files.
76 lines
2.7 KiB
Plaintext
76 lines
2.7 KiB
Plaintext
# Copyright 2012-2017 Free Software Foundation, Inc.
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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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#
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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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#
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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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# The in-memory cache.
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array set gdb_data_cache {}
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# A helper for gdb_caching_proc that handles the caching.
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proc gdb_do_cache {name} {
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global gdb_data_cache objdir
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global GDB_PARALLEL
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# See if some other process wrote the cache file. Cache value per
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# "board" to handle runs with multiple options
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# (e.g. unix/{-m32,-64}) correctly. We use "file join" here
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# because we later use this in a real filename.
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set cache_name [file join [target_info name] $name]
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if {[info exists gdb_data_cache($cache_name)]} {
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verbose "$name: returning '$gdb_data_cache($cache_name)' from cache" 2
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return $gdb_data_cache($cache_name)
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}
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if {[info exists GDB_PARALLEL]} {
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set cache_filename [make_gdb_parallel_path cache $cache_name]
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if {[file exists $cache_filename]} {
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set fd [open $cache_filename]
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set gdb_data_cache($cache_name) [read -nonewline $fd]
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close $fd
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verbose "$name: returning '$gdb_data_cache($cache_name)' from file cache" 2
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return $gdb_data_cache($cache_name)
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}
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}
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set real_name gdb_real__$name
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set gdb_data_cache($cache_name) [uplevel 1 $real_name]
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if {[info exists GDB_PARALLEL]} {
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verbose "$name: returning '$gdb_data_cache($cache_name)' and writing file" 2
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file mkdir [file dirname $cache_filename]
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# Make sure to write the results file atomically.
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set fd [open $cache_filename.[pid] w]
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puts $fd $gdb_data_cache($cache_name)
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close $fd
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file rename -force -- $cache_filename.[pid] $cache_filename
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}
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return $gdb_data_cache($cache_name)
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}
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# Define a new proc named NAME that takes no arguments. BODY is the
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# body of the proc. The proc will evaluate BODY and cache the
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# results, both in memory and, if GDB_PARALLEL is defined, in the
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# filesystem for use across invocations of dejagnu.
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proc gdb_caching_proc {name body} {
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# Define the underlying proc that we'll call.
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set real_name gdb_real__$name
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proc $real_name {} $body
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# Define the advertised proc.
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proc $name {} [list gdb_do_cache $name]
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}
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