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Fix SymbolRef::getAddress implementation for ELF. The 'value' field in symbol table entry should be treated differently for relocatable and relocated files. This patch fixes symbol addresses printed by llvm-nm for executables and shared objects.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164365 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alexey Samsonov
2012-09-21 07:08:08 +00:00
parent f17422181f
commit 01fa41a106
4 changed files with 39 additions and 10 deletions
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13
include/llvm/Object/ELF.h
View File

@ -951,7 +951,18 @@ error_code ELFObjectFile<target_endianness, is64Bits>
case ELF::STT_FUNC:
case ELF::STT_OBJECT:
case ELF::STT_NOTYPE:
Result = symb->st_value + (Section ? Section->sh_addr : 0);
bool IsRelocatable;
switch(Header->e_type) {
case ELF::ET_EXEC:
case ELF::ET_DYN:
IsRelocatable = false;
break;
default:
IsRelocatable = true;
}
Result = symb->st_value;
if (IsRelocatable && Section != 0)
Result += Section->sh_addr;
return object_error::success;
default:
Result = UnknownAddressOrSize;

2
include/llvm/Object/ObjectFile.h
View File

@ -212,6 +212,8 @@ public:
error_code getNext(SymbolRef &Result) const;
error_code getName(StringRef &Result) const;
/// Returns the symbol virtual address (i.e. address at which it will be
/// mapped).
error_code getAddress(uint64_t &Result) const;
error_code getFileOffset(uint64_t &Result) const;
error_code getSize(uint64_t &Result) const;