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* [Bug breakpoints/11662] agent expressions can't represent all DWARF locations
[not found] <bug-11662-4717@http.sourceware.org/bugzilla/>
@ 2011-05-17 14:48 ` tromey at redhat dot com
0 siblings, 0 replies; 2+ messages in thread
From: tromey at redhat dot com @ 2011-05-17 14:48 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=11662
--- Comment #2 from Tom Tromey <tromey at redhat dot com> 2011-05-17 14:48:12 UTC ---
The DWARF->AX compiler also does not handle the typed DWARF extension.
See Bug 12617 for links. At least integral types of various sizes
could be supported.
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* [Bug breakpoints/11662] agent expressions can't represent all DWARF locations
2010-06-02 21:11 [Bug breakpoints/11662] New: " tromey at redhat dot com
@ 2010-06-02 22:27 ` tromey at redhat dot com
0 siblings, 0 replies; 2+ messages in thread
From: tromey at redhat dot com @ 2010-06-02 22:27 UTC (permalink / raw)
To: gdb-prs
------- Additional Comments From tromey at redhat dot com 2010-06-02 22:27 -------
Also, DWARF does not have many restrictions on how an expression
can manipulate the stack. For example, a DWARF expression may
push any number of values, while only the last value is used.
Branching can mean that the number of values on the stack at
any given point is not constant.
One simple way to deal with this problem would be to add new agent
opcodes to mark the stack depth and then pop to the mark.
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2011-05-17 14:48 ` [Bug breakpoints/11662] agent expressions can't represent all DWARF locations tromey at redhat dot com
2010-06-02 21:11 [Bug breakpoints/11662] New: " tromey at redhat dot com
2010-06-02 22:27 ` [Bug breakpoints/11662] " tromey at redhat dot com
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