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[PR/24474] Add gdb.lookup_static_symbol to the python API

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Similar to lookup_global_symbol, except that it checks the
STATIC_SCOPE.

gdb/ChangeLog:

2019-07-30  Christian Biesinger  <cbiesinger@google.com>

	PR/24474: Add a function to lookup static variables.
	* NEWS: Mention this new function.
	* python/py-symbol.c (gdbpy_lookup_static_symbol): New function.
	* python/python-internal.h (gdbpy_lookup_static_symbol): New function.
	* python/python.c (python_GdbMethods): Add new function.

gdb/doc/ChangeLog:

2019-07-30  Christian Biesinger  <cbiesinger@google.com>

	* python.texi (Symbols In Python): Document new function
	gdb.lookup_static_symbol.

gdb/testsuite/ChangeLog:

2019-07-30  Christian Biesinger  <cbiesinger@google.com>

	* gdb.python/py-symbol.c: Add a static variable and one in an anonymous
	namespace.
	* gdb.python/py-symbol.exp: Test gdb.lookup_static_symbol.
This commit is contained in:
Christian Biesinger
2019-07-30 11:04:37 -05:00
parent 5c4dde850c
commit 2906593ffe
10 changed files with 116 additions and 0 deletions
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19
gdb/doc/python.texi
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@@ -4847,6 +4847,25 @@ The result is a @code{gdb.Symbol} object or @code{None} if the symbol
is not found.
@end defun
@findex gdb.lookup_static_symbol
@defun gdb.lookup_static_symbol (name @r{[}, domain@r{]})
This function searches for a global symbol with static linkage by name.
The search scope can be restricted to by the domain argument.
@var{name} is the name of the symbol. It must be a string.
The optional @var{domain} argument restricts the search to the domain type.
The @var{domain} argument must be a domain constant defined in the @code{gdb}
module and described later in this chapter.
The result is a @code{gdb.Symbol} object or @code{None} if the symbol
is not found.
Note that this function will not find function-scoped static variables. To look
up such variables, iterate over the variables of the function's
@code{gdb.Block} and check that @code{block.addr_class} is
@code{gdb.SYMBOL_LOC_STATIC}.
@end defun
A @code{gdb.Symbol} object has the following attributes:
@defvar Symbol.type