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[Object, ELF] Don't call llvm_unreachable() from createELFObjectFile.

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Instead, return a proper error code from factory.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239113 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alexey Samsonov 2015-06-04 22:58:25 +00:00
parent 3e407efb8b
commit 1ea35c2d52
3 changed files with 4 additions and 2 deletions
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4
lib/Object/ELFObjectFile.cpp
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@ -38,7 +38,7 @@ ObjectFile::createELFObjectFile(MemoryBufferRef Obj) {
else if (Ident.second == ELF::ELFDATA2MSB)
R.reset(new ELFObjectFile<ELFType<support::big, false>>(Obj, EC));
else
llvm_unreachable("Buffer is not an ELF object file!");
return object_error::parse_failed;
} else {
assert(Ident.first == ELF::ELFCLASS64);
if (Ident.second == ELF::ELFDATA2LSB)
@ -46,7 +46,7 @@ ObjectFile::createELFObjectFile(MemoryBufferRef Obj) {
else if (Ident.second == ELF::ELFDATA2MSB)
R.reset(new ELFObjectFile<ELFType<support::big, true>>(Obj, EC));
else
llvm_unreachable("Buffer is not an ELF object file!");
return object_error::parse_failed;
}
if (EC)

1
test/DebugInfo/Inputs/invalid.elf.2 Normal file
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@ -0,0 +1 @@
ELF'L:þB“ELFï

1
test/DebugInfo/dwarfdump-invalid.test
View File

@ -1,4 +1,5 @@
; Verify that llvm-dwarfdump doesn't crash on broken input files.
RUN: llvm-dwarfdump %p/Inputs/invalid.elf 2>&1 | FileCheck %s --check-prefix=INVALID-ELF
RUN: llvm-dwarfdump %p/Inputs/invalid.elf.2 2>&1 | FileCheck %s --check-prefix=INVALID-ELF
INVALID-ELF: Invalid data was encountered while parsing the file