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This reverts commit ffc528aed56b9e2c171137da28690a9bb6861b0b. It was
applied unapproved.
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Introduce
run_dump_test_o32l
run_dump_test_n32l
run_dump_test_n64l
Which use `-march=from-abi` for pre-R6 testcases,
like micromips/mips16e etc.
For cases doesn't use run_dump_test_*, we use
-mips32r2 for micromips32
-mips1 for mips16-32
-march=from-abi for testcases to o32/n32/n64 both/all.
Replace `addi` with `addiu` for some cases for both r6 and pre-R6.
Introduce some new testcases for r6 with FPXX/FP64.
Introduce new testcase: comdat-reloc-r6.
Skip `default` in mips_arch_list_matching if triple is mipsisa*, due to:
1)it will cannot match mipsr6@*.d: since mips32rN/mips64rN
will always be used, it won't be a problem.
2)some test think -march=mips64rN will alway true for mipsisa64rN,
which is not true now.
This patch fix testsuite for all r6-default gnu triples:
mipsisa32r6-linux-gnu
mipsisa32r6el-linux-gnu
mips-img-linux-gnu
mipsel-img-linux-gnu
mipsisa64r6-linux-gnu
mipsisa64r6el-linux-gnu
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The addressable signed 32-bit range for n64 MIPS `.got.plt' references
is from 0xffffffff7fff8000 to 0x7fff7fff, due to how the composition of
an LUI and an LD instruction works for address calculation in the 64-bit
addressing mode, such as when CP0.Status.UX=1.
We currently have a range check in `mips_finish_exec_plt', however it is
not correct as it verifies that the `.got.plt' start address referred is
between 0xffffffff80000000 and 0x7fffffff. It is also implemented as an
assertion rather than a proper error message despite that the situation
can be triggered by user input. Additionally there is no check made for
individual `.got.plt' entries referred even though they can be out of
range while the `.got.plt' start address is not.
Fix all these problems and use the correct range for the check, limiting
it to n64 output files, and then issue a proper error message both in
`mips_finish_exec_plt' and in `_bfd_mips_elf_finish_dynamic_symbol',
suggesting the use of the `-Ttext-segment=...' option that will often
work and with the default linker scripts in particular. Add suitable
tests covering boundary cases.
bfd/
PR ld/22966
* elfxx-mips.c (_bfd_mips_elf_finish_dynamic_symbol): Verify the
`.got.plt' entry referred is in range.
(mips_finish_exec_plt): Correct the range check for `.got.plt'
start. Replace the assertion used for that with a proper error
message.
ld/
PR ld/22966
* testsuite/ld-mips-elf/n64-plt-1.dd: New test.
* testsuite/ld-mips-elf/n64-plt-1.gd: New test.
* testsuite/ld-mips-elf/n64-plt-2.ed: New test.
* testsuite/ld-mips-elf/n64-plt-3.ed: New test.
* testsuite/ld-mips-elf/n64-plt-4.dd: New test.
* testsuite/ld-mips-elf/n64-plt-4.gd: New test.
* testsuite/ld-mips-elf/n64-plt-1.ld: New test linker script.
* testsuite/ld-mips-elf/n64-plt-2.ld: New test linker script.
* testsuite/ld-mips-elf/n64-plt-3.ld: New test linker script.
* testsuite/ld-mips-elf/n64-plt-4.ld: New test linker script.
* testsuite/ld-mips-elf/n64-plt.s: New test source.
* testsuite/ld-mips-elf/n64-plt-lib.s: New test source.
* testsuite/ld-mips-elf/mips-elf.exp: Run the new tests.
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