http://sourceware.org/bugzilla/show_bug.cgi?id=14640
Bug #: 14640
Summary: gas generates broken relocations for symbols with weak
defs on microblaze
Product: binutils
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: gas
AssignedTo: unassig...@sourceware.org
ReportedBy: bug...@aerifal.cx
Classification: Unclassified
See this thread for a description of the issue and a patch, which is in
Xilinx's fork of binutils but does not seem to have made it upstream:
http://permalink.gmane.org/gmane.linux.uclinux.microblaze/11155
Basically, the issue is that gas thinks it can generate a 16-bit relative jump
when there's a local definition of the function, even if that definition is
weak and might be overridden by a strong definition that's outside of the
16-bit jump range. I'm in the process of porting musl libc to microblaze, and
this issue is a show-stopper since we make heavy use of weak definitions.
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