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Add support for reading frame registers to Python API.

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The ability to read registers is needed to use Frame Filter API to
display the frames created by JIT compilers.

gdb/ChangeLog:

2014-08-29  Sasha Smundak  <asmundak@google.com>

	* python/py-frame.c (frapy_read_register): New function.

gdb/doc/ChangeLog:

2014-08-26  Sasha Smundak  <asmundak@google.com>

	* python.texi (Frames in Python): Add read_register description.

gdb/testsuite/ChangeLog:

2014-08-26  Sasha Smundak  <asmundak@google.com>

	* gdb.python/py-frame.exp: Test Frame.read_register.
This commit is contained in:
Sasha Smundak
2014-09-03 16:34:47 -07:00
committed by Doug Evans
parent ac740bc7a9
commit 5f3b99cfed
7 changed files with 77 additions and 0 deletions
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gdb/doc/python.texi
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@@ -3589,6 +3589,13 @@ Return the frame's symtab and line object.
@xref{Symbol Tables In Python}.
@end defun
@defun Frame.read_register (register)
Return the value of @var{register} in this frame. The @var{register}
argument must be a string (e.g., @code{'sp'} or @code{'rax'}).
Returns a @code{Gdb.Value} object. Throws an exception if @var{register}
does not exist.
@end defun
@defun Frame.read_var (variable @r{[}, block@r{]})
Return the value of @var{variable} in this frame. If the optional
argument @var{block} is provided, search for the variable from that