Support for .text relocations, implementing TargetELFWriter overloaded methods for x86/x86_64.
Use a map to track global values to their symbol table indexes
Code cleanup and small fixes

llvm-svn: 73894

llvm-svn: 73209

Emission for globals, using the correct data sections
Function alignment can be computed for each target using TargetELFWriterInfo
Some small fixes

llvm-svn: 73201

llvm-svn: 72986

llvm-svn: 45418

llvm-svn: 33585

llvm-svn: 33571

one should.

llvm-svn: 32845

rework the hacks that had us passing OStream in. We pass in std::ostream*
instead, check for null, and then dispatch to the correct print() method.

llvm-svn: 32636

now cerr, cout, and NullStream resp.

llvm-svn: 32298

soon replace all uses of those objects.

llvm-svn: 31817