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Revert r356738 "[llvm-objcopy] - Implement replaceSectionReferences for GroupSection class."

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Seems this broke ubsan bot:
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-bootstrap-ubsan/builds/11760

llvm-svn: 356745
This commit is contained in:
George Rimar 2019-03-22 12:14:04 +00:00
parent 662d042ab8
commit 490cc98cbb
4 changed files with 0 additions and 81 deletions
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19
test/tools/llvm-objcopy/ELF/Inputs/compress-debug-sections.yaml
View File

@ -25,23 +25,6 @@ Sections:
- Name: .debug_bar
Type: SHT_PROGBITS
Content: 0000000000000000
- Name: .group
Type: SHT_GROUP
Link: .symtab
EntSize: 0x0000000000000004
Info: groupname
Members:
- SectionOrType: GRP_COMDAT
- SectionOrType: .text.in.group
- SectionOrType: .debug_in_group
- Name: .text.in.group
Type: SHT_PROGBITS
Flags: [ SHF_ALLOC, SHF_EXECINSTR, SHF_GROUP ]
Content: '00'
- Name: .debug_in_group
Type: SHT_PROGBITS
Flags: [ SHF_GROUP ]
Content: '00'
Symbols:
Global:
- Name: .debug_foo
@ -52,6 +35,4 @@ Symbols:
Section: .notdebug_foo
- Name: .Linfo_string0
Section: .debug_bar
- Name: groupname
Section: .group
...

53
test/tools/llvm-objcopy/ELF/compress-debug-sections-groups.test
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@ -1,53 +0,0 @@
# REQUIRES: zlib
## In this test, we check how llvm-objcopy handles compression/decompression
## of debug sections included in a COMDAT group.
# RUN: yaml2obj %p/Inputs/compress-debug-sections.yaml -o %t.o
## Check compression of debug sections.
# RUN: llvm-objcopy --compress-debug-sections %t.o %t-compressed.o
# RUN: llvm-readobj -s -elf-section-groups %t-compressed.o | \
# RUN: FileCheck %s --check-prefixes=CHECK,COMPRESS
## Check zlib-gnu compression of debug sections.
# RUN: llvm-objcopy --compress-debug-sections=zlib-gnu %t.o %t-compressed-gnu.o
# RUN: llvm-readobj -s -elf-section-groups %t-compressed-gnu.o | \
# RUN: FileCheck %s --check-prefixes=CHECK,COMPRESSZLIB
## Check decompression of debug sections.
# RUN: llvm-objcopy --decompress-debug-sections %t-compressed.o %t-decompressed.o
# RUN: llvm-readobj -elf-section-groups %t-decompressed.o | \
# RUN: FileCheck %s --check-prefixes=CHECK,DECOMPRESS
## Check decompression of zlib-gnu debug sections.
# RUN: llvm-objcopy --decompress-debug-sections %t-compressed-gnu.o %t-decompressed-gnu.o
# RUN: llvm-readobj -elf-section-groups %t-decompressed-gnu.o | \
# RUN: FileCheck %s --check-prefixes=CHECK,DECOMPRESS
# COMPRESSZLIB: Name: .zdebug_in_group
# COMPRESSZLIB-NEXT: Type: SHT_PROGBITS
# COMPRESSZLIB-NEXT: Flags [
# COMPRESSZLIB-NEXT: SHF_GROUP
# COMPRESSZLIB-NEXT: ]
# COMPRESS: Name: .debug_in_group
# COMPRESS-NEXT: Type: SHT_PROGBITS
# COMPRESS-NEXT: Flags [
# COMPRESS-NEXT: SHF_COMPRESSED
# COMPRESS-NEXT: SHF_GROUP
# COMPRESS-NEXT: ]
# CHECK: Group {
# CHECK-NEXT: Name: .group
# CHECK-NEXT: Index:
# CHECK-NEXT: Link:
# CHECK-NEXT: Info:
# CHECK-NEXT: Type: COMDAT
# CHECK-NEXT: Signature: groupname
# CHECK-NEXT: Section(s) in group [
# CHECK-NEXT: .text.in.group
# COMPRESSZLIB-NEXT: .zdebug_in_group
# COMPRESS-NEXT: .debug_in_group
# DECOMPRESS-NEXT: .debug_in_group
# CHECK-NEXT: ]

7
tools/llvm-objcopy/ELF/Object.cpp
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@ -689,13 +689,6 @@ void GroupSection::markSymbols() {
Sym->Referenced = true;
}
void GroupSection::replaceSectionReferences(
const DenseMap<SectionBase *, SectionBase *> &FromTo) {
for (SectionBase *&Sec : GroupMembers)
if (SectionBase *To = FromTo.lookup(Sec))
Sec = To;
}
void Section::initialize(SectionTableRef SecTable) {
if (Link != ELF::SHN_UNDEF) {
LinkSection =

2
tools/llvm-objcopy/ELF/Object.h
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@ -633,8 +633,6 @@ public:
void finalize() override;
Error removeSymbols(function_ref<bool(const Symbol &)> ToRemove) override;
void markSymbols() override;
void replaceSectionReferences(
const DenseMap<SectionBase *, SectionBase *> &FromTo) override;
static bool classof(const SectionBase *S) {
return S->Type == ELF::SHT_GROUP;