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| author | Reid Kleckner <rnk@google.com> | 2015-09-16 16:26:29 +0000 |
|---|---|---|
| committer | Reid Kleckner <rnk@google.com> | 2015-09-16 16:26:29 +0000 |
| commit | 85dfb68e5004dd407c5a8cace921c5679ac56a77 (patch) | |
| tree | c0783fc45b02fce5821f6f2d2de16bb92f26494a | |
| parent | 815adacd227c35f3d2341fb23907179f5ff7de75 (diff) | |
| download | bcm5719-llvm-85dfb68e5004dd407c5a8cace921c5679ac56a77.tar.gz bcm5719-llvm-85dfb68e5004dd407c5a8cace921c5679ac56a77.zip | |
Add assembler fatal error for undefined assembler labels in COFF writer
llvm-svn: 247814
| -rw-r--r-- | llvm/lib/MC/WinCOFFObjectWriter.cpp | 5 | ||||
| -rw-r--r-- | llvm/test/MC/COFF/label-undefined.s | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/MC/WinCOFFObjectWriter.cpp b/llvm/lib/MC/WinCOFFObjectWriter.cpp index 6c696738b48..f251942161d 100644 --- a/llvm/lib/MC/WinCOFFObjectWriter.cpp +++ b/llvm/lib/MC/WinCOFFObjectWriter.cpp @@ -710,6 +710,11 @@ void WinCOFFObjectWriter::recordRelocation( Asm.getContext().reportFatalError(Fixup.getLoc(), Twine("symbol '") + A.getName() + "' can not be undefined"); + if (A.isTemporary() && A.isUndefined()) { + Asm.getContext().reportFatalError(Fixup.getLoc(), + Twine("assembler label '") + A.getName() + + "' can not be undefined"); + } MCSection *Section = Fragment->getParent(); diff --git a/llvm/test/MC/COFF/label-undefined.s b/llvm/test/MC/COFF/label-undefined.s new file mode 100644 index 00000000000..e5cfd3ca5a3 --- /dev/null +++ b/llvm/test/MC/COFF/label-undefined.s @@ -0,0 +1,4 @@ +// RUN: not llvm-mc -filetype=obj -triple i386-pc-win32 %s 2>&1 | FileCheck %s +// CHECK: assembler label 'Lundefined' can not be undefined + .text + movl Lundefined, %eax |
