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Re: Attempt to fix remaining test suite failures on arm-* -- stuck


Richard Earnshaw <rearnsha@arm.com> writes:
[... helpful explanation snipped ...]
> I've attached a revised diff for tc-arm.c: it passes all the tests on
> arm-none-eabi.  However, I haven't had chance to try it on the other
> targets.

Thank you.  I can confirm that this fixes arm-none-eabi and causes no
regressions on the other targets in my list.  I am now seeing only
these failures, on arm-vxworks:

                === gas tests ===
FAIL: Unwind table generation
FAIL: TLS

Here's the .log report for those tests:

regexp_diff match failure
regexp "^0000000c R_ARM_PREL31      .text$"
line   "0000000c R_ARM_PREL31      .text+0x0000000c"
regexp_diff match failure
regexp "^00000008 R_ARM_NONE        __aeabi_unwind_cpp_pr1$"
line   "00000008 R_ARM_NONE        __aeabi_unwind_cpp_pr1+0x00000008"
regexp_diff match failure
regexp "^0000000c R_ARM_PREL31      .ARM.extab$"
line   "0000000c R_ARM_PREL31      .ARM.extab+0x0000000c"
regexp_diff match failure
regexp "^ 0000 00000000 (b0b0a880 04000000|80a8b0b0 00000004) 00000000  .*$"
line   " 0000 00000000 b0b0a880 00000000 00000000  ................"
regexp_diff match failure
regexp "^ 0010 (08000000 0c000000 0c000000 1c000000|00000008 0000000c 0000000c 0000001c)  .*$"
line   " 0010 00000000 00000000 00000000 00000000  ................"
regexp_diff match failure
regexp "^ 0020 (10000000 08849780|00000010 80978408)                    .*$"
line   " 0020 00000000 08849780                    ........        "
FAIL: Unwind table generation

regexp_diff match failure
regexp "^                       10: R_ARM_TLS_LDM32     b$"
line   "                        10: R_ARM_TLS_LDM32     b+0x4"
regexp_diff match failure
regexp "^                       14: R_ARM_TLS_IE32      c$"
line   "                        14: R_ARM_TLS_IE32      c+0x8"
FAIL: TLS

As I said in my earlier message, it's my belief that these failures
are spurious, a matter of VxWorks using RELA-format relocations, which
the test suite is not expecting.  I cannot prove that, though, nor do
I know what to do about it if so.

zw


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