X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FX86%2FX86COFFMachineModuleInfo.cpp;h=e01ff41ed1989a8dfdd182f9f832223fa65cf95a;hb=fef904d0e824a2c587f8c1063b6c4fbf47fec898;hp=ea527955e37af4db569e2fa1b7c539554590c2af;hpb=5957c84e09b177aecf8b430c33fd75a36575fb57;p=oota-llvm.git diff --git a/lib/Target/X86/X86COFFMachineModuleInfo.cpp b/lib/Target/X86/X86COFFMachineModuleInfo.cpp index ea527955e37..e01ff41ed19 100644 --- a/lib/Target/X86/X86COFFMachineModuleInfo.cpp +++ b/lib/Target/X86/X86COFFMachineModuleInfo.cpp @@ -1,4 +1,4 @@ -//===-- llvm/CodeGen/X86COFFMachineModuleInfo.cpp -------------------------===// +//===-- X86COFFMachineModuleInfo.cpp - X86 COFF MMI Impl ------------------===// // // The LLVM Compiler Infrastructure // @@ -12,115 +12,9 @@ //===----------------------------------------------------------------------===// #include "X86COFFMachineModuleInfo.h" -#include "X86MachineFunctionInfo.h" -#include "llvm/DerivedTypes.h" -#include "llvm/Function.h" -#include "llvm/MC/MCContext.h" -#include "llvm/MC/MCSymbol.h" -#include "llvm/Target/TargetData.h" -#include "llvm/ADT/SmallString.h" -#include "llvm/Support/raw_ostream.h" using namespace llvm; -X86COFFMachineModuleInfo::X86COFFMachineModuleInfo(const MachineModuleInfo &) { -} -X86COFFMachineModuleInfo::~X86COFFMachineModuleInfo() { -} - -void X86COFFMachineModuleInfo::AddFunctionInfo(const Function *F, - const X86MachineFunctionInfo &Val) { - FunctionInfoMap[F] = Val; -} - - -static X86MachineFunctionInfo calculateFunctionInfo(const Function *F, - const TargetData &TD) { - X86MachineFunctionInfo Info; - uint64_t Size = 0; - - switch (F->getCallingConv()) { - case CallingConv::X86_StdCall: - Info.setDecorationStyle(StdCall); - break; - case CallingConv::X86_FastCall: - Info.setDecorationStyle(FastCall); - break; - default: - return Info; - } - - unsigned argNum = 1; - for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end(); - AI != AE; ++AI, ++argNum) { - const Type* Ty = AI->getType(); - - // 'Dereference' type in case of byval parameter attribute - if (F->paramHasAttr(argNum, Attribute::ByVal)) - Ty = cast(Ty)->getElementType(); - - // Size should be aligned to DWORD boundary - Size += ((TD.getTypeAllocSize(Ty) + 3)/4)*4; - } - - // We're not supporting tooooo huge arguments :) - Info.setBytesToPopOnReturn((unsigned int)Size); - return Info; -} - - -/// DecorateCygMingName - Query FunctionInfoMap and use this information for -/// various name decorations for Cygwin and MingW. -void X86COFFMachineModuleInfo::DecorateCygMingName(SmallVectorImpl &Name, - const GlobalValue *GV, - const TargetData &TD) { - const Function *F = dyn_cast(GV); - if (!F) return; - - // Save function name for later type emission. - if (F->isDeclaration()) - CygMingStubs.insert(StringRef(Name.data(), Name.size())); - - // We don't want to decorate non-stdcall or non-fastcall functions right now - CallingConv::ID CC = F->getCallingConv(); - if (CC != CallingConv::X86_StdCall && CC != CallingConv::X86_FastCall) - return; - - const X86MachineFunctionInfo *Info; - - FMFInfoMap::const_iterator info_item = FunctionInfoMap.find(F); - if (info_item == FunctionInfoMap.end()) { - // Calculate apropriate function info and populate map - FunctionInfoMap[F] = calculateFunctionInfo(F, TD); - Info = &FunctionInfoMap[F]; - } else { - Info = &info_item->second; - } - - if (Info->getDecorationStyle() == None) return; - const FunctionType *FT = F->getFunctionType(); - - // "Pure" variadic functions do not receive @0 suffix. - if (!FT->isVarArg() || FT->getNumParams() == 0 || - (FT->getNumParams() == 1 && F->hasStructRetAttr())) - raw_svector_ostream(Name) << '@' << Info->getBytesToPopOnReturn(); - - if (Info->getDecorationStyle() == FastCall) { - if (Name[0] == '_') - Name[0] = '@'; - else - Name.insert(Name.begin(), '@'); - } +X86COFFMachineModuleInfo::~X86COFFMachineModuleInfo() { } -/// DecorateCygMingName - Query FunctionInfoMap and use this information for -/// various name decorations for Cygwin and MingW. -void X86COFFMachineModuleInfo::DecorateCygMingName(MCSymbol *&Name, - MCContext &Ctx, - const GlobalValue *GV, - const TargetData &TD) { - SmallString<128> NameStr(Name->getName().begin(), Name->getName().end()); - DecorateCygMingName(NameStr, GV, TD); - - Name = Ctx.GetOrCreateSymbol(NameStr.str()); -}