[Bug translator/4915] imperfect prologue searching heuristics for inlined functions

["fche at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

------- Additional Comments From fche at redhat dot com  2007-08-14 17:22 -------
I'm seeing some debugging info errors for sys_open and sys_access on
2.6.9-55.0.2.EL[smp].  They don't fit quite into the current "trouble cases"
for the prologue searcher (resolve_prologue_endings), in that what seems
to be happening is that a small function without a prologue calls an inlined
friend that does have a real prologue.  The gcc-emitted debugging info appears
to be valid (or at least plausible) for an int parameter, but a char* sibling
is invalid until the inlined prologue of the second function.

I don't know whether it's worth trying to improve the systemtap-side heuristics,
or beat on the old compiler.  Or neither?  Opinions please?


-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Incorrect code for accessing|imperfect prologue searching
                   |function argument           |heuristics for inlined
                   |                            |functions


http://sourceware.org/bugzilla/show_bug.cgi?id=4915

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