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Set the thumb flag for thumb symbols coming from an ELF file

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Without setting the flag there is no way to determine if a symbol
points to an arm or to a thumb function as the LSB of the address
masked out in all getter function.

Note: Currently the thumb flag is only used for MachO files so
adding a test to this change is not possible. It will be used
by the upcoming fix for llvm-objdump for disassembling thumb
functions what is easily testable.

Differential revision: http://reviews.llvm.org/D17956

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@265387 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tamas Berghammer 2016-04-05 12:11:40 +00:00
parent f0a7cfdba2
commit 2b45afffa0
1 changed files with 2 additions and 0 deletions
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2
include/llvm/Object/ELFObjectFile.h
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@ -494,6 +494,8 @@ uint32_t ELFObjectFile<ELFT>::getSymbolFlags(DataRefImpl Sym) const {
Name.startswith("$a"))
Result |= SymbolRef::SF_FormatSpecific;
}
if (ESym->getType() == ELF::STT_FUNC && (ESym->st_value & 1) == 1)
Result |= SymbolRef::SF_Thumb;
}
if (ESym->st_shndx == ELF::SHN_UNDEF)