[Bug gold/20878] New: gold powerpc64 le linux fails to link large pie Linux kernel

[npiggin at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=20878

            Bug ID: 20878
           Summary: gold powerpc64 le linux fails to link large pie Linux
                    kernel
           Product: binutils
           Version: 2.28 (HEAD)
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gold
          Assignee: ccoutant at gmail dot com
          Reporter: npiggin at gmail dot com
                CC: ian at airs dot com
  Target Milestone: ---

powerpc64le Linux kernel configured with all options and CONFIG_RELOCATABLE
fails at the final link:

$ ~/src/binutils-gdb/gold/ld-new -EL -m elf64lppc -pie --build-id -X -o vmlinux
-T ./arch/powerpc/kernel/vmlinux.lds --whole-archive built-in.o
.tmp_kallsyms3.o
ld-new: stub group size is too large; retrying with 0x1500000
ld-new: stub group size is too large; retrying with 0xfc0000
built-in.o(arch/powerpc/kernel/setup-common.o):setup-common.c:function
setup_arch: error: relocation overflow
try relinking with a smaller --stub-group-size
built-in.o(arch/powerpc/kernel/setup-common.o):setup-common.c:function
setup_arch: error: relocation overflow
try relinking with a smaller --stub-group-size

ld.bfd succeeds:

$ ~/src/binutils-gdb/ld/ld-new -EL -m elf64lppc -pie --orphan-handling=warn
--build-id -X -o vmlinux -T ./arch/powerpc/kernel/vmlinux.lds --whole-archive
built-in.o .tmp_kallsyms3.o --stats
ld-new: linker stubs in 7 groups
ld-new:   branch       1132
ld-new:   toc adjust   0
ld-new:   long branch  7180
ld-new:   long toc adj 0
ld-new:   plt call     0
ld-new:   plt call toc 0
ld-new:   global entry 0
ld-new: total time in link: 7.040000
ld-new: data size 549404672
$ ls -l vmlinux
-rwxr-xr-x 1 npiggin npiggin 176679472 Nov 28 23:21 vmlinux

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