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[Bug libc/10096] New: Adjust STT_GNU_IFUNC to support targets with OPDs (hppa, ia64)
- From: "carlos at codesourcery dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: 24 Apr 2009 03:21:55 -0000
- Subject: [Bug libc/10096] New: Adjust STT_GNU_IFUNC to support targets with OPDs (hppa, ia64)
- Reply-to: sourceware-bugzilla at sourceware dot org
Targets that use OPDs can't directly call through the function descriptor
returned by DL_FIXUP_MAKE_VALUE. The following patch adds STT_GNU_IFUNC support
for targets with OPDs. The patch creates a new macro DL_FIXUP_CALL_VALUE in
dl-lookupcfg.h. The new macro is used to call the value returned by
DL_FIXUP_MAKE_VALUE, and on targets with OPDs the macro can be used to adjust
the way in which the returned function descriptor is called.
No regressions on hppa-linux-gnu. ia64 will need a similar patch.
If a core maintainer thinks this is a good solution, please apply the libc patch.
Thank you.
--
Summary: Adjust STT_GNU_IFUNC to support targets with OPDs (hppa,
ia64)
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: libc
AssignedTo: drepper at redhat dot com
ReportedBy: carlos at codesourcery dot com
CC: glibc-bugs at sources dot redhat dot com
GCC build triplet: hppa-linux-gnu
GCC host triplet: hppa-linux-gnu
GCC target triplet: hppa-linux-gnu
http://sourceware.org/bugzilla/show_bug.cgi?id=10096
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