[Bug ld/25829] New: Several ld tests fail for 16-bit targets like pdp11-aout

[casner at acm dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=25829

            Bug ID: 25829
           Summary: Several ld tests fail for 16-bit targets like
                    pdp11-aout
           Product: binutils
           Version: 2.35 (HEAD)
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: ld
          Assignee: unassigned at sourceware dot org
          Reporter: casner at acm dot org
  Target Milestone: ---

Several tests in ld/testsuite/ld-scripts fail for the pdp11-aout target because
address and/or size constants used in the tests are larger than will fit in a
16-bit address space.  The choice of those constants is arbitrary, though,
often just following the example test case that was submitted when the bug was
filed.  None of those tests are performing an operation where the numerical
size of the constant is significant.  Thus, these tests can be fixed for
targets with 16-bit address spaces just by scaling down the constants.

A related problem is the use of .long for references to test symbols.  That
requires a 32-bit relocation, which a 16-bit target can't do.  Changing to
.dc.a allows the relocation to fit the target address size.

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