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Simplify the handling of iterators in ObjectFile.

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None of the object file formats reported error on iterator increment. In
retrospect, that is not too surprising: no object format stores symbols or
sections in a linked list or other structure that requires chasing pointers.
As a consequence, all error checking can be done on begin() and end().

This reduces the text segment of bin/llvm-readobj in my machine from 521233 to
518526 bytes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200442 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2014-01-30 02:49:50 +00:00
parent 6bf3966f7f
commit efdbec8b0a
25 changed files with 147 additions and 365 deletions
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4
tools/llvm-rtdyld/llvm-rtdyld.cpp
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@ -151,11 +151,9 @@ static int printLineInfoForInput() {
OwningPtr<DIContext> Context(DIContext::getDWARFContext(LoadedObject->getObjectFile()));
// Use symbol info to iterate functions in the object.
error_code ec;
for (object::symbol_iterator I = LoadedObject->begin_symbols(),
E = LoadedObject->end_symbols();
I != E && !ec;
I.increment(ec)) {
I != E; ++I) {
object::SymbolRef::Type SymType;
if (I->getType(SymType)) continue;
if (SymType == object::SymbolRef::ST_Function) {