[LLVMbugs] [Bug 18308] New: Emitting an obj file using TargetMachine::addPassesToEmitFile (passManager, formattedStream, TargetMachine::CGFT_ObjectFile) creates a broken COFF object file
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Sun Dec 22 08:27:45 PST 2013
http://llvm.org/bugs/show_bug.cgi?id=18308
Bug ID: 18308
Summary: Emitting an obj file using
TargetMachine::addPassesToEmitFile (passManager,
formattedStream, TargetMachine::CGFT_ObjectFile)
creates a broken COFF object file
Product: libraries
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: Backend: X86
Assignee: unassignedbugs at nondot.org
Reporter: d.albuschat at gmail.com
CC: llvmbugs at cs.uiuc.edu
Classification: Unclassified
Created attachment 11772
--> http://llvm.org/bugs/attachment.cgi?id=11772&action=edit
Program that creates a broken COFF object file
I'm using the attached program to create an .obj file on Windows 8.1.
llvm and the test program are compiled with VS 2013.
I've integrated compiler-rt, clang and lld into my llvm checkout, if that
matters. Revision of llvm is 197877, as of Sunday, 22nd December at 11:23.
The program creates an obj file, but hat file is broken.
Here's what dumpbin says:
> dumpbin llvmPlaygroundDoWhile.obj
Microsoft (R) COFF/PE Dumper Version 11.00.60610.1
Copyright (C) Microsoft Corporation. All rights reserved.
Dump of file llvmPlaygroundDoWhile.obj
File Type: COFF OBJECT
llvmPlaygroundDoWhile.obj : warning LNK4040: Beschädigte Zeichenfolgentabelle
(Größe); Zeichenfolgentabelle wird ignoriert.
LINK : fatal error LNK1235: Beschädigte oder ungültige COFF-Symboltabelle.
Sorry for the German output. It says something like:
Damaged symboltable (size); Symboltable will be ignored.
LNK1235: Damaged or invalid COFF-Symboltable.
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