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gdb/python: add a 'connection_num' attribute to Inferior objects

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Define a 'connection_num' attribute for Inferior objects.  The
read-only attribute is the ID of the connection of an inferior, as
printed by "info inferiors".  In GDB's internal terminology, that's
the process stratum target of the inferior.  If the inferior has no
target connection, the attribute is None.

gdb/ChangeLog:
2021-05-14  Tankut Baris Aktemur  <tankut.baris.aktemur@intel.com>

	* python/py-inferior.c (infpy_get_connection_num): New function.
	(inferior_object_getset): Add a new element for 'connection_num'.
	* NEWS: Mention the 'connection_num' attribute of Inferior objects.

gdb/doc/ChangeLog:
2021-05-14  Tankut Baris Aktemur  <tankut.baris.aktemur@intel.com>

	* python.texi (Inferiors In Python): Mention the 'connection_num'
	attribute.

gdb/testsuite/ChangeLog:
2021-05-14  Tankut Baris Aktemur  <tankut.baris.aktemur@intel.com>

	* gdb.python/py-inferior.exp: Add test cases for 'connection_num'.
This commit is contained in:
Tankut Baris Aktemur
2021-05-14 11:56:31 +02:00
parent 2f63ec5ccc
commit 55789354fc
7 changed files with 70 additions and 1 deletions
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6
gdb/doc/python.texi
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@@ -3065,6 +3065,12 @@ A @code{gdb.Inferior} object has the following attributes:
ID of inferior, as assigned by GDB.
@end defvar
@defvar Inferior.connection_num
ID of inferior's connection as assigned by @value{GDBN}, or None if
the inferior is not connected to a target.
@xref{Inferiors Connections and Programs}.
@end defvar
@defvar Inferior.pid
Process ID of the inferior, as assigned by the underlying operating
system.