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objtool: Rework the elf_rebuild_reloc_section() logic

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commit 3a647607b57ad8346e659ddd3b951ac292c83690 upstream.

Instead of manually calling elf_rebuild_reloc_section() on sections
we've called elf_add_reloc() on, have elf_write() DTRT.

This makes it easier to add random relocations in places without
carefully tracking when we're done and need to flush what section.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
Link: https://lkml.kernel.org/r/20210326151259.754213408@infradead.org
[bwh: Backported to 5.10: drop changes in create_mcount_loc_sections()]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Zijlstra
2021-03-26 16:12:06 +01:00
committed by Greg Kroah-Hartman
parent d42fa5bf19
commit c9049cf480
4 changed files with 14 additions and 13 deletions
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3
tools/objtool/check.c
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@@ -542,9 +542,6 @@ static int create_static_call_sections(struct objtool_file *file)
idx++;
}
if (elf_rebuild_reloc_section(file->elf, reloc_sec))
return -1;
return 0;
}