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3666a04883
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
92 lines
3.0 KiB
Python
92 lines
3.0 KiB
Python
# Copyright (C) 2011-2021 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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"""Configure GDB using the ELinOS environment."""
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import os
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import glob
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import gdb
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def warn(msg):
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print "warning: %s" % msg
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def get_elinos_environment():
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"""Return the ELinOS environment.
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If the ELinOS environment is properly set up, return a dictionary
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which contains:
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* The path to the ELinOS project at key 'project';
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* The path to the ELinOS CDK at key 'cdk';
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* The ELinOS target name at key 'target' (Eg. 'i486-linux');
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* A list of Xenomai install prefixes (which could be empty, if
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the ELinOS project does not include Xenomai) at key 'xenomai'.
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If one of these cannot be found, print a warning; the corresponding
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value in the returned dictionary will be None.
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"""
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result = {}
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for key in ("project", "cdk", "target"):
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var = "ELINOS_" + key.upper()
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if var in os.environ:
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result[key] = os.environ[var]
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else:
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warn("%s not set" % var)
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result[key] = None
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if result["project"] is not None:
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result["xenomai"] = glob.glob(result["project"] + "/xenomai-[0-9.]*")
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else:
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result["xenomai"] = []
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return result
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def elinos_init():
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"""Initialize debugger environment for ELinOS.
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Let the debugger know where to find the ELinOS libraries on host. This
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assumes that an ELinOS environment is properly set up. If some environment
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variables are missing, warn about which library may be missing.
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"""
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elinos_env = get_elinos_environment()
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solib_dirs = []
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# System libraries
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if None in (elinos_env[key] for key in ("cdk", "target")):
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warn("ELinOS system libraries will not be loaded")
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else:
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solib_prefix = "%s/%s" % (elinos_env["cdk"], elinos_env["target"])
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solib_dirs += ["%s/%s" % (solib_prefix, "lib")]
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gdb.execute("set solib-absolute-prefix %s" % solib_prefix)
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# Xenomai libraries. Those are optional, so have a lighter warning
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# if they cannot be located.
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if elinos_env["project"] is None:
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warn("Xenomai libraries may not be loaded")
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else:
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for dir in elinos_env['xenomai']:
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solib_dirs += ["%s/%s"
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% (dir, "xenomai-build/usr/realtime/lib")]
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if len(solib_dirs) != 0:
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gdb.execute("set solib-search-path %s" % ":".join(solib_dirs))
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if __name__ == "__main__":
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elinos_init()
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