http://sourceware.org/bugzilla/show_bug.cgi?id=13391
Bug #: 13391
Summary: .rofixup section size mismatch
Product: binutils
Version: 2.23 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: ld
AssignedTo: unassig...@sourceware.org
ReportedBy: stuart.hender...@analog.com
Classification: Unclassified
I'm looking into a problem I'm seeing with the Blackfin linker (binutils 2.21 &
HEAD) when I move to gcc-4.5 (from gcc-4.3). When compiling the example at the
bottom (-O3 -g FDPIC), I get the following error:
bin/ld: LINKER BUG: .rofixup section size mismatch
bin/ld: final link failed: Nonrepresentable section on output
i.e. the fixup section size is smaller than the fixup relocation count * 4.
The problem appears to be caused by gcc 4.5's emission of a series of:
.picptr funcdesc(_callback)
in the .debug_info section which aren't being handled correctly.
I can workaround the error by just not counting relocsfd for R_BFIN_FUNCDESCs
in sections without the SEC_ALLOC flag, but this doesn't seem like the
appropriate fix.
Example:
static int CallFunctionRec(int (*fun)()) {
CallFunctionRec(fun);
return 1;
}
static int CallFunction(int (*fun)()) {
return CallFunctionRec(fun);
}
static int callback() {
return 0;
}
int main() {
CallFunction(callback);
return 0;
}
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