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llvm-objdump: don't crash when __compact_unwind has no relocs.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217433 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tim Northover 2014-09-09 10:45:06 +00:00
parent f29c5818bf
commit 4faf24b6b7
3 changed files with 11 additions and 0 deletions
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test/tools/llvm-objdump/Inputs/unwind-info-no-relocs.macho-x86_64 Executable file
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8
test/tools/llvm-objdump/macho-unwind-info-no-relocs.test Normal file
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@ -0,0 +1,8 @@
# RUN: llvm-objdump -unwind-info %p/Inputs/unwind-info-no-relocs.macho-x86_64 2>/dev/null | FileCheck %s
# Make sure we can deal with __compact_unwind sections that don't have helpful
# relocations.
# CHECK: Contents of __compact_unwind section:
# CHECK: Entry at offset 0x0:
# CHECK: start: 0x100000f7e

3
tools/llvm-objdump/MachODump.cpp
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@ -650,6 +650,9 @@ static void printUnwindRelocDest(const MachOObjectFile *Obj,
StringRef Name;
uint64_t Addend;
if (!Reloc.getObjectFile())
return;
findUnwindRelocNameAddend(Obj, Symbols, Reloc, Addr, Name, Addend);
outs() << Name;