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[IRObjectFile] Propagate .weak attribute correctly for ASM symbols.

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PR: 28256
Differential Revision:  http://reviews.llvm.org/D21616

llvm-svn: 273474
This commit is contained in:
Davide Italiano
2016-06-22 20:48:15 +00:00
parent 84d6372010
commit ec7e29e941
4 changed files with 16 additions and 7 deletions
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14
llvm/lib/Object/RecordStreamer.cpp
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@@ -23,21 +23,26 @@ void RecordStreamer::markDefined(const MCSymbol &Symbol) {
case Used:
S = Defined;
break;
case GlobalWeak:
break;
}
}
void RecordStreamer::markGlobal(const MCSymbol &Symbol) {
void RecordStreamer::markGlobal(const MCSymbol &Symbol,
MCSymbolAttr Attribute) {
State &S = Symbols[Symbol.getName()];
switch (S) {
case DefinedGlobal:
case Defined:
S = DefinedGlobal;
S = (Attribute == MCSA_Weak) ? GlobalWeak : DefinedGlobal;
break;
case NeverSeen:
case Global:
case Used:
S = Global;
S = (Attribute == MCSA_Weak) ? GlobalWeak : Global;
break;
case GlobalWeak:
break;
}
}
@@ -48,6 +53,7 @@ void RecordStreamer::markUsed(const MCSymbol &Symbol) {
case DefinedGlobal:
case Defined:
case Global:
case GlobalWeak:
break;
case NeverSeen:
@@ -85,7 +91,7 @@ void RecordStreamer::EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) {
bool RecordStreamer::EmitSymbolAttribute(MCSymbol *Symbol,
MCSymbolAttr Attribute) {
if (Attribute == MCSA_Global || Attribute == MCSA_Weak)
markGlobal(*Symbol);
markGlobal(*Symbol, Attribute);
return true;
}