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Re: [PATCH 1/2] Update _bfd_elf_symbol_refs_local_p/add UNDEFINED_WEAK_RESOLVED_TO_ZERO


On 10/9/17, H.J. Lu <hjl.tools@gmail.com> wrote:
> On 10/9/17, Alan Modra <amodra@gmail.com> wrote:
>> On Mon, Oct 09, 2017 at 04:01:39AM -0700, H.J. Lu wrote:
>>> On 10/9/17, Alan Modra <amodra@gmail.com> wrote:
>>> > On Sun, Oct 08, 2017 at 09:08:30PM -0700, H.J. Lu wrote:
>>> >> On 10/8/17, H.J. Lu <hjl.tools@gmail.com> wrote:
>>> >> > You are right.  This only works with
>>> >> >
>>> >> > CHECK_RELOCS_AFTER_OPEN_INPUT=yes
>>> >> >
>>> >> > which should also speedup check_relocs and GC.   It should be set
>>> >> > for all ELF targets.
>>> >> >
>>> >>
>>> >> Here is a patch which does that.
>>> >
>>> > I agree in principle, but I'd like to see some test results first.
>>> > Preferably with native targets where you can get access to hardware,
>>> > and with cross-compiler+libc installed where not, so at least most of
>>> > the testsuite is compiled and linked.
>>>
>>> I can prepare a patch and test it with cross binutils.  But I need help
>>> test non-x86 native binutils.  I can fix any issues if I can reproduce
>>> them
>>> on x86.
>>
>> I'm willing to help out in the conversion too, but the patch shouldn't
>> go in until the huge number of arm and aarch64 fails are investigated.
>> Besides arm and aarch64, I see these:
>>
>> cris-elf  +FAIL: ld-cris/pic-gc-72
>> cris-elf  +FAIL: ld-cris/pic-gc-73
>> cris-elf  +FAIL: ld-cris/tls-gc-68
>> cris-elf  +FAIL: ld-cris/tls-gc-69
>> cris-elf  +FAIL: ld-cris/tls-gc-70
>> cris-elf  +FAIL: ld-cris/tls-gc-71
>> cris-elf  +FAIL: ld-cris/tls-gc-75
>> cris-elf  +FAIL: ld-cris/tls-gc-79
>> frv-linux  -FAIL: ld-elf/pr13177
>> frv-linux  -FAIL: --gc-sections with multiple debug sections for a
>> function
>> section
>> m68k-elf  -FAIL: PR ld/21233 dynamic symbols with section GC
>> (--undefined)
>> m68k-elf  -FAIL: PR ld/21233 dynamic symbols with section GC
>> (--require-defined)
>> m68k-elf  -FAIL: PR ld/21233 dynamic symbols with section GC (EXTERN)
>> m68k-linux  -FAIL: PR ld/21233 dynamic symbols with section GC
>> (--undefined)
>> m68k-linux  -FAIL: PR ld/21233 dynamic symbols with section GC
>> (--require-defined)
>> m68k-linux  -FAIL: PR ld/21233 dynamic symbols with section GC (EXTERN)
>> mmix  +FAIL: ld-mmix/bpo-10
>> mmix  +FAIL: ld-mmix/bpo-22
>> mn10300-elf  +FAIL: ld-elf/pr12851
>> mn10300-elf  -FAIL: PR ld/21233 dynamic symbols with section GC
>> (--undefined)
>> mn10300-elf  -FAIL: PR ld/21233 dynamic symbols with section GC
>> (--require-defined)
>> mn10300-elf  -FAIL: PR ld/21233 dynamic symbols with section GC (EXTERN)
>> mn10300-elf  +FAIL: --gc-sections with multiple debug sections for a
>> function section
>> nios2-linux  -FAIL: PR ld/21233 dynamic symbols with section GC
>> (--undefined)
>> nios2-linux  -FAIL: PR ld/21233 dynamic symbols with section GC
>> (--require-defined)
>> nios2-linux  -FAIL: PR ld/21233 dynamic symbols with section GC (EXTERN)
>> powerpc64-linux  +FAIL: PR ld/13195
>> powerpc64-linux  +FAIL: Build rdynamic-1
>> powerpc64-linux  +FAIL: Build dynamic-1
>> score-elf  +FAIL: PR ld/14170
>> score-elf  +FAIL: Build pr17068.so
>> score-elf  +FAIL: pr17068 link --as-needed lib in group
>> score-elf  +FAIL: ld link shared library
>> score-elf  +FAIL: PROVIDE_HIDDEN test (auxiliary shared object)
>> score-elf  +FAIL: pr20022
>> score-elf  +FAIL: undefined symbols in shared lib
>>
>
> I will take a look at them.
>

I fixed most of arm and aarch64 regressions on users/hjl/check_relocs branch.
I will investigate the rest of them later.

-- 
H.J.


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