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Correctly handle references to section symbols.

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When processing assembly like

.long .text

we were creating a new undefined symbol .text. GAS on the other hand would
handle that as a reference to the .text section.

This patch implements that by creating the section symbols earlier so that
they are visible during asm parsing.

The patch also updates llvm-readobj to print the symbol number in the relocation
dump so that the test can differentiate between two sections with the same name.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219829 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2014-10-15 18:55:30 +00:00
parent 1338612c55
commit ad04f5db82
8 changed files with 160 additions and 52 deletions
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3
tools/llvm-readobj/ELFDumper.cpp
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@ -676,7 +676,8 @@ void ELFDumper<ELFT>::printRelocation(const Elf_Shdr *Sec,
DictScope Group(W, "Relocation");
W.printHex("Offset", Rel.r_offset);
W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
W.printString("Symbol", SymbolName.size() > 0 ? SymbolName : "-");
W.printNumber("Symbol", SymbolName.size() > 0 ? SymbolName : "-",
Rel.getSymbol(Obj->isMips64EL()));
W.printHex("Addend", Rel.r_addend);
} else {
raw_ostream& OS = W.startLine();