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Support for ELF Visibility

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



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73201 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bruno Cardoso Lopes
2009-06-11 19:16:03 +00:00
parent 3590abfda0
commit c997d45ae5
8 changed files with 337 additions and 99 deletions
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lib/Target/X86/X86ELFWriterInfo.cpp
+20 -2
View File
@@ -12,8 +12,26 @@
//===----------------------------------------------------------------------===//
#include "X86ELFWriterInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/DerivedTypes.h"
using namespace llvm;
X86ELFWriterInfo::X86ELFWriterInfo(bool is64Bit) :
TargetELFWriterInfo(is64Bit ? EM_X86_64 : EM_386) {}
X86ELFWriterInfo::X86ELFWriterInfo(TargetMachine &TM)
: TargetELFWriterInfo(TM) {
bool is64Bit = TM.getTargetData()->getPointerSizeInBits() == 64;
EMachine = is64Bit ? EM_X86_64 : EM_386;
}
X86ELFWriterInfo::~X86ELFWriterInfo() {}
unsigned X86ELFWriterInfo::getFunctionAlignment(const Function *F) const {
unsigned FnAlign = 4;
if (F->hasFnAttr(Attribute::OptimizeForSize))
FnAlign = 1;
if (F->getAlignment())
FnAlign = Log2_32(F->getAlignment());
return (1 << FnAlign);
}