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create-diff-object: ignore .llvm.* sections 

Clang FDO adds a new, ignorable ELF section, .llvm.call-graph-profile

Generalize to ignore all .llvm.*

Signed-off-by: Pete Swain <swine@google.com>
Signed-off-by: Joe Lawrence <joe.lawrence@redhat.com> [subject line]
This commit is contained in:
Pete Swain 2022-09-27 15:56:06 -04:00 committed by Joe Lawrence
parent 3704057244
commit 85781b7ea7
1 changed files with 2 additions and 1 deletions
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3
kpatch-build/create-diff-object.c
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@ -2718,7 +2718,8 @@ static void kpatch_mark_ignored_sections(struct kpatch_elf *kelf)
list_for_each_entry(sec, &kelf->sections, list) { list_for_each_entry(sec, &kelf->sections, list) {
if (!strncmp(sec->name, ".discard", 8) || if (!strncmp(sec->name, ".discard", 8) ||
!strncmp(sec->name, ".rela.discard", 13) || !strncmp(sec->name, ".rela.discard", 13) ||
!strncmp(sec->name, ".llvm_addrsig", 13)) !strncmp(sec->name, ".llvm_addrsig", 13) ||
!strncmp(sec->name, ".llvm.", 6))
sec->ignore = 1; sec->ignore = 1;
} }