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Apply a workaround to mitigate a quadratic performance hit in the linker when writing out secondary reloc sections.

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PR 26406
	* elf-bfd.h (struct bfd_elf_section_data): Add
	has_secondary_relocs field.
	* elf.c (_bfd_elf_copy_special_section_fields): Set the
	has_secondary_relocs field for sections which have associated
	secondary relocs.
	* elfcode.h (elf_write_relocs): Only call write_secondary_relocs
	on sections which have associated secondary relocs.
This commit is contained in:
Nick Clifton
2020-08-20 10:19:47 +01:00
parent c2fd7faea8
commit 44466e45c5
4 changed files with 34 additions and 7 deletions
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3
bfd/elfcode.h
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@ -999,7 +999,8 @@ elf_write_relocs (bfd *abfd, asection *sec, void *data)
(*swap_out) (abfd, &src_rela, dst_rela);
}
if (!bed->write_secondary_relocs (abfd, sec))
if (elf_section_data (sec)->has_secondary_relocs
&& !bed->write_secondary_relocs (abfd, sec))
{
*failedp = TRUE;
return;