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Add getSymbolAlignment to the ObjectFile interface.

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For regular object files this is only meaningful for common symbols. An object
file format with direct support for atoms should be able to provide alignment
information for all symbols.

This replaces getCommonSymbolAlignment and fixes
test-common-symbols-alignment.ll on darwin. This also includes a fix to
MachOObjectFile::getSymbolFlags. It was marking undefined symbols as common
(already tested by existing mcjit tests now that it is used).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180736 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2013-04-29 22:24:22 +00:00
parent d8b2da1136
commit 59a0e79631
10 changed files with 51 additions and 21 deletions
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7
include/llvm/Object/ObjectFile.h
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@ -217,6 +217,8 @@ public:
/// mapped).
error_code getAddress(uint64_t &Result) const;
error_code getFileOffset(uint64_t &Result) const;
/// @brief Get the alignment of this symbol as the actual value (not log 2).
error_code getAlignment(uint32_t &Result) const;
error_code getSize(uint64_t &Result) const;
error_code getType(SymbolRef::Type &Result) const;
@ -292,6 +294,7 @@ protected:
virtual error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const = 0;
virtual error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const = 0;
virtual error_code getSymbolFileOffset(DataRefImpl Symb, uint64_t &Res)const=0;
virtual error_code getSymbolAlignment(DataRefImpl Symb, uint32_t &Res) const;
virtual error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const = 0;
virtual error_code getSymbolType(DataRefImpl Symb,
SymbolRef::Type &Res) const = 0;
@ -425,6 +428,10 @@ inline error_code SymbolRef::getFileOffset(uint64_t &Result) const {
return OwningObject->getSymbolFileOffset(SymbolPimpl, Result);
}
inline error_code SymbolRef::getAlignment(uint32_t &Result) const {
return OwningObject->getSymbolAlignment(SymbolPimpl, Result);
}
inline error_code SymbolRef::getSize(uint64_t &Result) const {
return OwningObject->getSymbolSize(SymbolPimpl, Result);
}