mirror of
https://sourceware.org/git/binutils-gdb.git
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4a94e36819
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
228 lines
6.9 KiB
Python
228 lines
6.9 KiB
Python
# Copyright 2014-2022 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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# This file is part of the GDB testsuite. It test the xmethods support
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# in the Python extension language.
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import gdb
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import re
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from gdb.xmethod import XMethod
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from gdb.xmethod import XMethodMatcher, XMethodWorker
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from gdb.xmethod import SimpleXMethodMatcher
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def A_plus_A(obj, opr):
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print("From Python <A_plus_A>:")
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return obj["a"] + opr["a"]
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def plus_plus_A(obj):
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print("From Python <plus_plus_A>:")
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return obj["a"] + 1
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def A_geta(obj):
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print("From Python <A_geta>:")
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return obj["a"]
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def A_getarrayind(obj, index):
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print("From Python <A_getarrayind>:")
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return obj["array"][index]
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def A_indexoper(obj, index):
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return obj["array"][index].reference_value()
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def B_indexoper(obj, index):
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return obj["array"][index].const_value().reference_value()
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type_A = gdb.parse_and_eval("(dop::A *) 0").type.target()
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type_B = gdb.parse_and_eval("(dop::B *) 0").type.target()
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type_int = gdb.parse_and_eval("(int *) 0").type.target()
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# The E class matcher and worker test two things:
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# 1. xmethod returning None.
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# 2. Matcher returning a list of workers.
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class E_method_char_worker(XMethodWorker):
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def __init__(self):
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pass
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def get_arg_types(self):
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return gdb.lookup_type("char")
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def get_result_type(self, obj, arg):
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return gdb.lookup_type("void")
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def __call__(self, obj, arg):
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print("From Python <E_method_char>")
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return None
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class E_method_int_worker(XMethodWorker):
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def __init__(self):
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pass
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def get_arg_types(self):
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return gdb.lookup_type("int")
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# Note: get_result_type method elided on purpose
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def __call__(self, obj, arg):
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print("From Python <E_method_int>")
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return None
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class E_method_matcher(XMethodMatcher):
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def __init__(self):
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XMethodMatcher.__init__(self, "E_methods")
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self.methods = [XMethod("method_int"), XMethod("method_char")]
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def match(self, class_type, method_name):
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class_tag = class_type.unqualified().tag
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if not re.match("^dop::E$", class_tag):
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return None
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if not re.match("^method$", method_name):
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return None
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workers = []
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if self.methods[0].enabled:
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workers.append(E_method_int_worker())
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if self.methods[1].enabled:
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workers.append(E_method_char_worker())
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return workers
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# The G class method matcher and worker illustrate how to write
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# xmethod matchers and workers for template classes and template
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# methods.
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class G_size_diff_worker(XMethodWorker):
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def __init__(self, class_template_type, method_template_type):
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self._class_template_type = class_template_type
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self._method_template_type = method_template_type
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def get_arg_types(self):
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pass
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def __call__(self, obj):
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print("From Python G<>::size_diff()")
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return self._method_template_type.sizeof - self._class_template_type.sizeof
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class G_size_mul_worker(XMethodWorker):
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def __init__(self, class_template_type, method_template_val):
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self._class_template_type = class_template_type
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self._method_template_val = method_template_val
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def get_arg_types(self):
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pass
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def __call__(self, obj):
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print("From Python G<>::size_mul()")
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return self._class_template_type.sizeof * self._method_template_val
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class G_mul_worker(XMethodWorker):
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def __init__(self, class_template_type, method_template_type):
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self._class_template_type = class_template_type
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self._method_template_type = method_template_type
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def get_arg_types(self):
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return self._method_template_type
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def __call__(self, obj, arg):
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print("From Python G<>::mul()")
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return obj["t"] * arg
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class G_methods_matcher(XMethodMatcher):
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def __init__(self):
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XMethodMatcher.__init__(self, "G_methods")
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self.methods = [XMethod("size_diff"), XMethod("size_mul"), XMethod("mul")]
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def _is_enabled(self, name):
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for method in self.methods:
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if method.name == name and method.enabled:
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return True
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def match(self, class_type, method_name):
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class_tag = class_type.unqualified().tag
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if not re.match("^dop::G<[ ]*[_a-zA-Z][ _a-zA-Z0-9]*>$", class_tag):
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return None
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t_name = class_tag[7:-1]
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try:
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t_type = gdb.lookup_type(t_name)
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except gdb.error:
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return None
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if re.match("^size_diff<[ ]*[_a-zA-Z][ _a-zA-Z0-9]*>$", method_name):
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if not self._is_enabled("size_diff"):
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return None
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t1_name = method_name[10:-1]
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try:
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t1_type = gdb.lookup_type(t1_name)
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return G_size_diff_worker(t_type, t1_type)
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except gdb.error:
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return None
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if re.match("^size_mul<[ ]*[0-9]+[ ]*>$", method_name):
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if not self._is_enabled("size_mul"):
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return None
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m_val = int(method_name[9:-1])
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return G_size_mul_worker(t_type, m_val)
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if re.match("^mul<[ ]*[_a-zA-Z][ _a-zA-Z0-9]*>$", method_name):
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if not self._is_enabled("mul"):
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return None
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t1_name = method_name[4:-1]
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try:
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t1_type = gdb.lookup_type(t1_name)
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return G_mul_worker(t_type, t1_type)
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except gdb.error:
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return None
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global_dm_list = [
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SimpleXMethodMatcher(
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r"A_plus_A",
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r"^dop::A$",
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r"operator\+",
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A_plus_A,
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# This is a replacement, hence match the arg type
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# exactly!
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type_A.const().reference(),
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),
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SimpleXMethodMatcher(r"plus_plus_A", r"^dop::A$", r"operator\+\+", plus_plus_A),
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SimpleXMethodMatcher(r"A_geta", r"^dop::A$", r"^geta$", A_geta),
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SimpleXMethodMatcher(
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r"A_getarrayind", r"^dop::A$", r"^getarrayind$", A_getarrayind, type_int
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),
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SimpleXMethodMatcher(
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r"A_indexoper", r"^dop::A$", r"operator\[\]", A_indexoper, type_int
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),
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SimpleXMethodMatcher(
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r"B_indexoper", r"^dop::B$", r"operator\[\]", B_indexoper, type_int
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),
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]
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for matcher in global_dm_list:
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gdb.xmethod.register_xmethod_matcher(gdb, matcher)
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gdb.xmethod.register_xmethod_matcher(gdb.current_progspace(), G_methods_matcher())
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gdb.xmethod.register_xmethod_matcher(gdb.current_progspace(), E_method_matcher())
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