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Add a helper to printing BE of LE depending on the format.

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The gnu ar format uses BE numbers. The BSD one uses LE. Add a helper for one or the
other. NFC for now, just removes some noise from the following patch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241808 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2015-07-09 15:13:41 +00:00
parent cdc323b2b7
commit 3696927846
1 changed files with 10 additions and 6 deletions
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16
lib/Object/ArchiveWriter.cpp
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@ -91,8 +91,12 @@ static void printWithSpacePadding(raw_fd_ostream &OS, T Data, unsigned Size,
}
}
static void print32BE(raw_ostream &Out, uint32_t Val) {
support::endian::Writer<support::big>(Out).write(Val);
static void print32(raw_ostream &Out, object::Archive::Kind Kind,
uint32_t Val) {
if (Kind == object::Archive::K_GNU)
support::endian::Writer<support::big>(Out).write(Val);
else
support::endian::Writer<support::little>(Out).write(Val);
}
static void printRestOfMemberHeader(raw_fd_ostream &Out,
@ -200,7 +204,7 @@ writeSymbolTable(raw_fd_ostream &Out, object::Archive::Kind Kind,
if (!StartOffset) {
printGNUSmallMemberHeader(Out, "", sys::TimeValue::now(), 0, 0, 0, 0);
StartOffset = Out.tell();
print32BE(Out, 0);
print32(Out, Kind, 0);
}
for (const object::BasicSymbolRef &S : Obj.symbols()) {
@ -216,7 +220,7 @@ writeSymbolTable(raw_fd_ostream &Out, object::Archive::Kind Kind,
NameOS << '\0';
++NumSyms;
MemberOffsetRefs.push_back(MemberNum);
print32BE(Out, 0);
print32(Out, Kind, 0);
}
}
Out << NameOS.str();
@ -231,7 +235,7 @@ writeSymbolTable(raw_fd_ostream &Out, object::Archive::Kind Kind,
Out.seek(StartOffset - 12);
printWithSpacePadding(Out, Pos - StartOffset, 10);
Out.seek(StartOffset);
print32BE(Out, NumSyms);
print32(Out, Kind, NumSyms);
Out.seek(Pos);
return StartOffset + 4;
}
@ -335,7 +339,7 @@ llvm::writeArchive(StringRef ArcName,
if (MemberReferenceOffset) {
Out.seek(MemberReferenceOffset);
for (unsigned MemberNum : MemberOffsetRefs)
print32BE(Out, MemberOffset[MemberNum]);
print32(Out, Kind, MemberOffset[MemberNum]);
}
Output.keep();