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| author | esmeyi <esme.yi@ibm.com> | 2023-05-08 00:55:27 -0400 |
|---|---|---|
| committer | esmeyi <esme.yi@ibm.com> | 2023-05-08 00:55:27 -0400 |
| commit | 52ae3b5725441dca252c6e7bbbb23fc7c316a591 (patch) | |
| tree | 7c5a6deb10dc23086e5e0e97308613ffa9acfca9 /llvm/lib/MC/MCDwarf.cpp | |
| parent | 231ef2104d15c306f0e362db649cf241ac575d09 (diff) | |
| download | llvm-52ae3b5725441dca252c6e7bbbb23fc7c316a591.zip llvm-52ae3b5725441dca252c6e7bbbb23fc7c316a591.tar.gz llvm-52ae3b5725441dca252c6e7bbbb23fc7c316a591.tar.bz2 | |
[DWARF][MC] improve the error message when DwarfLineStrSection is null.
Summary: Currently the crush info is ambiguous when DwarfLineStrSection is null. The patch adds an assertion in the constructor of MCDwarfLineStr when DwarfLineStrSection is null.
Reviewed By: shchenz
Differential Revision: https://reviews.llvm.org/D149121
Diffstat (limited to 'llvm/lib/MC/MCDwarf.cpp')
| -rw-r--r-- | llvm/lib/MC/MCDwarf.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/llvm/lib/MC/MCDwarf.cpp b/llvm/lib/MC/MCDwarf.cpp index 6acfd08..9506b5c 100644 --- a/llvm/lib/MC/MCDwarf.cpp +++ b/llvm/lib/MC/MCDwarf.cpp @@ -78,9 +78,12 @@ static inline uint64_t ScaleAddrDelta(MCContext &Context, uint64_t AddrDelta) { MCDwarfLineStr::MCDwarfLineStr(MCContext &Ctx) { UseRelocs = Ctx.getAsmInfo()->doesDwarfUseRelocationsAcrossSections(); - if (UseRelocs) - LineStrLabel = - Ctx.getObjectFileInfo()->getDwarfLineStrSection()->getBeginSymbol(); + if (UseRelocs) { + MCSection *DwarfLineStrSection = + Ctx.getObjectFileInfo()->getDwarfLineStrSection(); + assert(DwarfLineStrSection && "DwarfLineStrSection must not be NULL"); + LineStrLabel = DwarfLineStrSection->getBeginSymbol(); + } } // |