forked from Imagelibrary/binutils-gdb
213516ef31
This commit is the result of running the gdb/copyright.py script, which automated the update of the copyright year range for all source files managed by the GDB project to be updated to include year 2023.
158 lines
4.8 KiB
Python
158 lines
4.8 KiB
Python
# Caller-is functions.
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# Copyright (C) 2008-2023 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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import gdb
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import re
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class CallerIs(gdb.Function):
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"""Check the calling function's name.
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Usage: $_caller_is (NAME [, NUMBER-OF-FRAMES])
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Arguments:
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NAME: The name of the function to search for.
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NUMBER-OF-FRAMES: How many stack frames to traverse back from the currently
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selected frame to compare with. If the value is greater than the depth of
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the stack from that point then the result is False.
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The default is 1.
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Returns:
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True if the function's name at the specified frame is equal to NAME."""
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def __init__(self):
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super(CallerIs, self).__init__("_caller_is")
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def invoke(self, name, nframes=1):
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if nframes < 0:
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raise ValueError("nframes must be >= 0")
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frame = gdb.selected_frame()
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while nframes > 0:
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frame = frame.older()
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if frame is None:
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return False
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nframes = nframes - 1
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return frame.name() == name.string()
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class CallerMatches(gdb.Function):
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"""Compare the calling function's name with a regexp.
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Usage: $_caller_matches (REGEX [, NUMBER-OF-FRAMES])
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Arguments:
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REGEX: The regular expression to compare the function's name with.
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NUMBER-OF-FRAMES: How many stack frames to traverse back from the currently
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selected frame to compare with. If the value is greater than the depth of
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the stack from that point then the result is False.
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The default is 1.
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Returns:
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True if the function's name at the specified frame matches REGEX."""
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def __init__(self):
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super(CallerMatches, self).__init__("_caller_matches")
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def invoke(self, name, nframes=1):
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if nframes < 0:
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raise ValueError("nframes must be >= 0")
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frame = gdb.selected_frame()
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while nframes > 0:
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frame = frame.older()
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if frame is None:
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return False
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nframes = nframes - 1
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return re.match(name.string(), frame.name()) is not None
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class AnyCallerIs(gdb.Function):
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"""Check all calling function's names.
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Usage: $_any_caller_is (NAME [, NUMBER-OF-FRAMES])
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Arguments:
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NAME: The name of the function to search for.
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NUMBER-OF-FRAMES: How many stack frames to traverse back from the currently
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selected frame to compare with. If the value is greater than the depth of
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the stack from that point then the result is False.
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The default is 1.
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Returns:
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True if any function's name is equal to NAME."""
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def __init__(self):
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super(AnyCallerIs, self).__init__("_any_caller_is")
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def invoke(self, name, nframes=1):
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if nframes < 0:
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raise ValueError("nframes must be >= 0")
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frame = gdb.selected_frame()
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while nframes >= 0:
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if frame.name() == name.string():
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return True
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frame = frame.older()
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if frame is None:
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return False
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nframes = nframes - 1
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return False
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class AnyCallerMatches(gdb.Function):
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"""Compare all calling function's names with a regexp.
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Usage: $_any_caller_matches (REGEX [, NUMBER-OF-FRAMES])
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Arguments:
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REGEX: The regular expression to compare the function's name with.
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NUMBER-OF-FRAMES: How many stack frames to traverse back from the currently
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selected frame to compare with. If the value is greater than the depth of
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the stack from that point then the result is False.
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The default is 1.
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Returns:
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True if any function's name matches REGEX."""
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def __init__(self):
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super(AnyCallerMatches, self).__init__("_any_caller_matches")
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def invoke(self, name, nframes=1):
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if nframes < 0:
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raise ValueError("nframes must be >= 0")
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frame = gdb.selected_frame()
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name_re = re.compile(name.string())
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while nframes >= 0:
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if name_re.match(frame.name()) is not None:
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return True
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frame = frame.older()
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if frame is None:
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return False
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nframes = nframes - 1
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return False
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CallerIs()
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CallerMatches()
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AnyCallerIs()
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AnyCallerMatches()
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