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Re: Contributing LLVM.org patches to gud.el
From: |
Eli Zaretskii |
Subject: |
Re: Contributing LLVM.org patches to gud.el |
Date: |
Wed, 11 Feb 2015 17:42:14 +0200 |
> Date: Tue, 10 Feb 2015 19:47:15 -0800
> From: Daniel Colascione <address@hidden>
> CC: address@hidden
>
> What exactly are the DWARF deficiencies that prevent a debugger from
> unwinding caller-saved registers to their original values? The
> specification seems more than powerful enough for the task.
In a recent enough GDB, those cases where you see <optimized out> are
not about caller-saved registers. They are about variables whose
location at the current value of PC is not recorded in DWARF info in a
way that a debugger can use to glean their values.
You can read more about this in the discussion which started here:
http://cygwin.com/ml/gdb/2014-09/msg00068.html
- Re: Contributing LLVM.org patches to gud.el, (continued)
- Re: Contributing LLVM.org patches to gud.el, Daniel Colascione, 2015/02/10
- Re: Contributing LLVM.org patches to gud.el, David Kastrup, 2015/02/11
- Re: Contributing LLVM.org patches to gud.el, Daniel Colascione, 2015/02/11
- Re: Contributing LLVM.org patches to gud.el, Stephen J. Turnbull, 2015/02/11
- Re: Contributing LLVM.org patches to gud.el, Eli Zaretskii, 2015/02/11
- Re: Contributing LLVM.org patches to gud.el, Eli Zaretskii, 2015/02/12
- Re: Contributing LLVM.org patches to gud.el, Daniel Colascione, 2015/02/12
- Re: Contributing LLVM.org patches to gud.el, Eli Zaretskii, 2015/02/12
- Re: Contributing LLVM.org patches to gud.el, Eli Zaretskii, 2015/02/11
- Re: Contributing LLVM.org patches to gud.el, Richard Stallman, 2015/02/11
- Re: Contributing LLVM.org patches to gud.el,
Eli Zaretskii <=
- Re: Contributing LLVM.org patches to gud.el, Eli Zaretskii, 2015/02/11
- Re: Contributing LLVM.org patches to gud.el, Stephen J. Turnbull, 2015/02/11
- Re: Contributing LLVM.org patches to gud.el, David Kastrup, 2015/02/12
- Re: Contributing LLVM.org patches to gud.el, Stephen J. Turnbull, 2015/02/12
- Re: Contributing LLVM.org patches to gud.el, Eli Zaretskii, 2015/02/12
- Re: Contributing LLVM.org patches to gud.el, Stephen J. Turnbull, 2015/02/10
- Re: Contributing LLVM.org patches to gud.el, Nicholas Allegra, 2015/02/11
- Re: Contributing LLVM.org patches to gud.el, Eli Zaretskii, 2015/02/11
- Re: Contributing LLVM.org patches to gud.el, Stefan Monnier, 2015/02/11
- Re: Contributing LLVM.org patches to gud.el, David Kastrup, 2015/02/11