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[ELF] Don't discard excluded section if -r is used 

This conforms to GNU ld/gold behavior and fixes crash in case
excluded section also has associated relocation section

llvm-svn: 283214
This commit is contained in:
Eugene Leviant 2016-10-04 12:05:42 +00:00
parent 40be15cfb0
commit b90f3cf15b
2 changed files with 8 additions and 1 deletions
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2
lld/ELF/InputFiles.cpp
View File

@ -226,7 +226,7 @@ void elf::ObjectFile<ELFT>::initializeSections(
if (Sections[I] == &InputSection<ELFT>::Discarded)
continue;
if (Sec.sh_flags & SHF_EXCLUDE) {
if (!Config->Relocatable && (Sec.sh_flags & SHF_EXCLUDE)) {
Sections[I] = &InputSection<ELFT>::Discarded;
continue;
}

7
lld/test/ELF/exclude.s
View File

@ -2,11 +2,18 @@
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
# RUN: ld.lld -o %t1 %t
# RUN: llvm-objdump -section-headers %t1 | FileCheck %s
# RUN: ld.lld -r -o %t1 %t
# RUN: llvm-objdump -section-headers %t1 | FileCheck --check-prefix=RELOCATABLE %s
# CHECK-NOT: .aaa
# RELOCATABLE: .aaa
.globl _start
_start:
jmp _start
.section .aaa,"ae"
.quad .bbb
.section .bbb,"a"
.quad 0