[llvm] r239113 - [Object, ELF] Don't call llvm_unreachable() from createELFObjectFile.
Rafael Espíndola
rafael.espindola at gmail.com
Fri Jun 5 20:04:25 PDT 2015
Interesting, does the regular dwarf dump also returns with 0?
Not that you changed it, I just noticed the test.
Thanks,
Rafael
On Jun 4, 2015 7:16 PM, "Alexey Samsonov" <vonosmas at gmail.com> wrote:
> Author: samsonov
> Date: Thu Jun 4 17:58:25 2015
> New Revision: 239113
>
> URL: http://llvm.org/viewvc/llvm-project?rev=239113&view=rev
> Log:
> [Object, ELF] Don't call llvm_unreachable() from createELFObjectFile.
>
> Instead, return a proper error code from factory.
>
> Added:
> llvm/trunk/test/DebugInfo/Inputs/invalid.elf.2
> Modified:
> llvm/trunk/lib/Object/ELFObjectFile.cpp
> llvm/trunk/test/DebugInfo/dwarfdump-invalid.test
>
> Modified: llvm/trunk/lib/Object/ELFObjectFile.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Object/ELFObjectFile.cpp?rev=239113&r1=239112&r2=239113&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Object/ELFObjectFile.cpp (original)
> +++ llvm/trunk/lib/Object/ELFObjectFile.cpp Thu Jun 4 17:58:25 2015
> @@ -38,7 +38,7 @@ ObjectFile::createELFObjectFile(MemoryBu
> 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(MemoryBu
> 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)
>
> Added: llvm/trunk/test/DebugInfo/Inputs/invalid.elf.2
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/Inputs/invalid.elf.2?rev=239113&view=auto
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/Inputs/invalid.elf.2 (added)
> +++ llvm/trunk/test/DebugInfo/Inputs/invalid.elf.2 Thu Jun 4 17:58:25 2015
> @@ -0,0 +1 @@
> + ELF 'L:þB“ ELF ï
> \ No newline at end of file
>
> Modified: llvm/trunk/test/DebugInfo/dwarfdump-invalid.test
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/dwarfdump-invalid.test?rev=239113&r1=239112&r2=239113&view=diff
>
> ==============================================================================
> --- llvm/trunk/test/DebugInfo/dwarfdump-invalid.test (original)
> +++ llvm/trunk/test/DebugInfo/dwarfdump-invalid.test Thu Jun 4 17:58:25
> 2015
> @@ -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
>
>
>
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