#include "llvm/Target/TargetOptions.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/StringExtras.h"
-#include <set>
+#include "llvm/ADT/StringSet.h"
using namespace llvm;
STATISTIC(EmittedInsts, "Number of machine instrs printed");
namespace {
struct VISIBILITY_HIDDEN PPCAsmPrinter : public AsmPrinter {
- std::set<std::string> FnStubs, GVStubs;
+ StringSet<> FnStubs, GVStubs, HiddenGVStubs;
const PPCSubtarget &Subtarget;
PPCAsmPrinter(raw_ostream &O, TargetMachine &TM, const TargetAsmInfo *T)
/// PPCLinuxAsmPrinter - PowerPC assembly printer, customized for Linux
struct VISIBILITY_HIDDEN PPCLinuxAsmPrinter : public PPCAsmPrinter {
-
- DwarfWriter DW;
+ DwarfWriter *DW;
MachineModuleInfo *MMI;
PPCLinuxAsmPrinter(raw_ostream &O, PPCTargetMachine &TM,
const TargetAsmInfo *T)
- : PPCAsmPrinter(O, TM, T), DW(O, this, T), MMI(0) {
+ : PPCAsmPrinter(O, TM, T), DW(0), MMI(0) {
}
virtual const char *getPassName() const {
void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
AU.addRequired<MachineModuleInfo>();
+ AU.addRequired<DwarfWriter>();
PPCAsmPrinter::getAnalysisUsage(AU);
}
/// OS X
struct VISIBILITY_HIDDEN PPCDarwinAsmPrinter : public PPCAsmPrinter {
- DwarfWriter DW;
+ DwarfWriter *DW;
MachineModuleInfo *MMI;
-
+ raw_ostream &OS;
PPCDarwinAsmPrinter(raw_ostream &O, PPCTargetMachine &TM,
const TargetAsmInfo *T)
- : PPCAsmPrinter(O, TM, T), DW(O, this, T), MMI(0) {
+ : PPCAsmPrinter(O, TM, T), DW(0), MMI(0), OS(O) {
}
virtual const char *getPassName() const {
void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
AU.addRequired<MachineModuleInfo>();
+ AU.addRequired<DwarfWriter>();
PPCAsmPrinter::getAnalysisUsage(AU);
}
// External or weakly linked global variables need non-lazily-resolved stubs
if (TM.getRelocationModel() != Reloc::Static) {
- if (((GV->isDeclaration() || GV->hasWeakLinkage() ||
- GV->hasLinkOnceLinkage() || GV->hasCommonLinkage()))) {
- GVStubs.insert(Name);
- printSuffixedName(Name, "$non_lazy_ptr");
+ if (GV->isDeclaration() || GV->mayBeOverridden()) {
+ if (GV->hasHiddenVisibility()) {
+ if (!GV->isDeclaration() && !GV->hasCommonLinkage())
+ O << Name;
+ else {
+ HiddenGVStubs.insert(Name);
+ printSuffixedName(Name, "$non_lazy_ptr");
+ }
+ } else {
+ GVStubs.insert(Name);
+ printSuffixedName(Name, "$non_lazy_ptr");
+ }
if (GV->hasExternalWeakLinkage())
ExtWeakSymbols.insert(GV);
return;
}
O << Name;
- if (MO.getOffset() > 0)
- O << "+" << MO.getOffset();
- else if (MO.getOffset() < 0)
- O << MO.getOffset();
+ printOffset(MO.getOffset());
if (GV->hasExternalWeakLinkage())
ExtWeakSymbols.insert(GV);
void PPCAsmPrinter::EmitExternalGlobal(const GlobalVariable *GV) {
std::string Name = getGlobalLinkName(GV);
if (TM.getRelocationModel() != Reloc::Static) {
- GVStubs.insert(Name);
+ if (GV->hasHiddenVisibility())
+ HiddenGVStubs.insert(Name);
+ else
+ GVStubs.insert(Name);
printSuffixedName(Name, "$non_lazy_ptr");
return;
}
switch (F->getLinkage()) {
default: assert(0 && "Unknown linkage type!");
+ case Function::PrivateLinkage:
case Function::InternalLinkage: // Symbols default to internal.
break;
case Function::ExternalLinkage:
O << CurrentFnName << ":\n";
// Emit pre-function debug information.
- DW.BeginFunction(&MF);
+ DW->BeginFunction(&MF);
// Print out code for the function.
for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
// Print out jump tables referenced by the function.
EmitJumpTableInfo(MF.getJumpTableInfo(), MF);
+ SwitchToSection(TAI->SectionForGlobal(F));
+
// Emit post-function debug information.
- DW.EndFunction(&MF);
+ DW->EndFunction(&MF);
O.flush();
bool Result = AsmPrinter::doInitialization(M);
// Emit initial debug information.
- DW.BeginModule(&M);
-
- // AsmPrinter::doInitialization should have done this analysis.
- MMI = getAnalysisToUpdate<MachineModuleInfo>();
+ MMI = getAnalysisIfAvailable<MachineModuleInfo>();
assert(MMI);
- DW.SetModuleInfo(MMI);
+ DW = getAnalysisIfAvailable<DwarfWriter>();
+ assert(DW && "DwarfWriter is not available");
+ DW->BeginModule(&M, MMI, O, this, TAI);
// GNU as handles section names wrapped in quotes
Mang->setUseQuotes(true);
Constant *C = GVar->getInitializer();
const Type *Type = C->getType();
- unsigned Size = TD->getABITypeSize(Type);
+ unsigned Size = TD->getTypePaddedSize(Type);
unsigned Align = TD->getPreferredAlignmentLog(GVar);
SwitchToSection(TAI->SectionForGlobal(GVar));
if (C->isNullValue() && /* FIXME: Verify correct */
!GVar->hasSection() &&
- (GVar->hasInternalLinkage() || GVar->hasExternalLinkage() ||
+ (GVar->hasLocalLinkage() || GVar->hasExternalLinkage() ||
GVar->mayBeOverridden())) {
if (Size == 0) Size = 1; // .comm Foo, 0 is undefined, avoid it.
O << "\t.type " << name << ", @object\n";
O << name << ":\n";
O << "\t.zero " << Size << '\n';
- } else if (GVar->hasInternalLinkage()) {
+ } else if (GVar->hasLocalLinkage()) {
O << TAI->getLCOMMDirective() << name << ',' << Size;
} else {
O << ".comm " << name << ',' << Size;
<< "\t.type " << name << ", @object\n";
// FALL THROUGH
case GlobalValue::InternalLinkage:
+ case GlobalValue::PrivateLinkage:
break;
default:
cerr << "Unknown linkage type!";
// TODO
// Emit initial debug information.
- DW.EndModule();
+ DW->EndModule();
return AsmPrinter::doFinalization(M);
}
switch (F->getLinkage()) {
default: assert(0 && "Unknown linkage type!");
+ case Function::PrivateLinkage:
case Function::InternalLinkage: // Symbols default to internal.
break;
case Function::ExternalLinkage:
O << CurrentFnName << ":\n";
// Emit pre-function debug information.
- DW.BeginFunction(&MF);
+ DW->BeginFunction(&MF);
// If the function is empty, then we need to emit *something*. Otherwise, the
// function's label might be associated with something that it wasn't meant to
EmitJumpTableInfo(MF.getJumpTableInfo(), MF);
// Emit post-function debug information.
- DW.EndFunction(&MF);
+ DW->EndFunction(&MF);
// We didn't modify anything.
return false;
bool Result = AsmPrinter::doInitialization(M);
// Emit initial debug information.
- DW.BeginModule(&M);
-
// We need this for Personality functions.
// AsmPrinter::doInitialization should have done this analysis.
- MMI = getAnalysisToUpdate<MachineModuleInfo>();
+ MMI = getAnalysisIfAvailable<MachineModuleInfo>();
assert(MMI);
- DW.SetModuleInfo(MMI);
+ DW = getAnalysisIfAvailable<DwarfWriter>();
+ assert(DW && "DwarfWriter is not available");
+ DW->BeginModule(&M, MMI, O, this, TAI);
// Darwin wants symbols to be quoted if they have complex names.
Mang->setUseQuotes(true);
Constant *C = GVar->getInitializer();
const Type *Type = C->getType();
- unsigned Size = TD->getABITypeSize(Type);
+ unsigned Size = TD->getTypePaddedSize(Type);
unsigned Align = TD->getPreferredAlignmentLog(GVar);
SwitchToSection(TAI->SectionForGlobal(GVar));
if (C->isNullValue() && /* FIXME: Verify correct */
!GVar->hasSection() &&
- (GVar->hasInternalLinkage() || GVar->hasExternalLinkage() ||
- GVar->mayBeOverridden())) {
+ (GVar->hasLocalLinkage() || GVar->hasExternalLinkage() ||
+ GVar->mayBeOverridden()) &&
+ TAI->SectionKindForGlobal(GVar) != SectionKind::RODataMergeStr) {
if (Size == 0) Size = 1; // .comm Foo, 0 is undefined, avoid it.
if (GVar->hasExternalLinkage()) {
O << "\t.globl " << name << '\n';
O << "\t.zerofill __DATA, __common, " << name << ", "
<< Size << ", " << Align;
- } else if (GVar->hasInternalLinkage()) {
+ } else if (GVar->hasLocalLinkage()) {
O << TAI->getLCOMMDirective() << name << ',' << Size << ',' << Align;
} else if (!GVar->hasCommonLinkage()) {
O << "\t.globl " << name << '\n'
O << "\t.globl " << name << '\n';
// FALL THROUGH
case GlobalValue::InternalLinkage:
+ case GlobalValue::PrivateLinkage:
break;
default:
cerr << "Unknown linkage type!";
// Output stubs for dynamically-linked functions
if (TM.getRelocationModel() == Reloc::PIC_) {
- for (std::set<std::string>::iterator i = FnStubs.begin(), e = FnStubs.end();
+ for (StringSet<>::iterator i = FnStubs.begin(), e = FnStubs.end();
i != e; ++i) {
SwitchToTextSection("\t.section __TEXT,__picsymbolstub1,symbol_stubs,"
"pure_instructions,32");
EmitAlignment(4);
- std::string p = *i;
- std::string L0p = (p[0]=='\"') ? "\"L0$" + p.substr(1) : "L0$" + p ;
+ const char *p = i->getKeyData();
+ bool hasQuote = p[0]=='\"';
printSuffixedName(p, "$stub");
O << ":\n";
- O << "\t.indirect_symbol " << *i << '\n';
+ O << "\t.indirect_symbol " << p << '\n';
O << "\tmflr r0\n";
- O << "\tbcl 20,31," << L0p << '\n';
- O << L0p << ":\n";
+ O << "\tbcl 20,31,";
+ if (hasQuote)
+ O << "\"L0$" << &p[1];
+ else
+ O << "L0$" << p;
+ O << '\n';
+ if (hasQuote)
+ O << "\"L0$" << &p[1];
+ else
+ O << "L0$" << p;
+ O << ":\n";
O << "\tmflr r11\n";
O << "\taddis r11,r11,ha16(";
printSuffixedName(p, "$lazy_ptr");
- O << "-" << L0p << ")\n";
+ O << "-";
+ if (hasQuote)
+ O << "\"L0$" << &p[1];
+ else
+ O << "L0$" << p;
+ O << ")\n";
O << "\tmtlr r0\n";
if (isPPC64)
O << "\tldu r12,lo16(";
else
O << "\tlwzu r12,lo16(";
printSuffixedName(p, "$lazy_ptr");
- O << "-" << L0p << ")(r11)\n";
+ O << "-";
+ if (hasQuote)
+ O << "\"L0$" << &p[1];
+ else
+ O << "L0$" << p;
+ O << ")(r11)\n";
O << "\tmtctr r12\n";
O << "\tbctr\n";
SwitchToDataSection(".lazy_symbol_pointer");
printSuffixedName(p, "$lazy_ptr");
O << ":\n";
- O << "\t.indirect_symbol " << *i << '\n';
+ O << "\t.indirect_symbol " << p << '\n';
if (isPPC64)
O << "\t.quad dyld_stub_binding_helper\n";
else
O << "\t.long dyld_stub_binding_helper\n";
}
} else {
- for (std::set<std::string>::iterator i = FnStubs.begin(), e = FnStubs.end();
+ for (StringSet<>::iterator i = FnStubs.begin(), e = FnStubs.end();
i != e; ++i) {
SwitchToTextSection("\t.section __TEXT,__symbol_stub1,symbol_stubs,"
"pure_instructions,16");
EmitAlignment(4);
- std::string p = *i;
+ const char *p = i->getKeyData();
printSuffixedName(p, "$stub");
O << ":\n";
- O << "\t.indirect_symbol " << *i << '\n';
+ O << "\t.indirect_symbol " << p << '\n';
O << "\tlis r11,ha16(";
printSuffixedName(p, "$lazy_ptr");
O << ")\n";
SwitchToDataSection(".lazy_symbol_pointer");
printSuffixedName(p, "$lazy_ptr");
O << ":\n";
- O << "\t.indirect_symbol " << *i << '\n';
+ O << "\t.indirect_symbol " << p << '\n';
if (isPPC64)
O << "\t.quad dyld_stub_binding_helper\n";
else
// Output stubs for external and common global variables.
if (!GVStubs.empty()) {
SwitchToDataSection(".non_lazy_symbol_pointer");
- for (std::set<std::string>::iterator I = GVStubs.begin(),
- E = GVStubs.end(); I != E; ++I) {
- std::string p = *I;
+ for (StringSet<>::iterator i = GVStubs.begin(), e = GVStubs.end();
+ i != e; ++i) {
+ std::string p = i->getKeyData();
printSuffixedName(p, "$non_lazy_ptr");
O << ":\n";
- O << "\t.indirect_symbol " << *I << '\n';
+ O << "\t.indirect_symbol " << p << '\n';
if (isPPC64)
O << "\t.quad\t0\n";
else
}
}
+ if (!HiddenGVStubs.empty()) {
+ SwitchToSection(TAI->getDataSection());
+ for (StringSet<>::iterator i = HiddenGVStubs.begin(), e = HiddenGVStubs.end();
+ i != e; ++i) {
+ std::string p = i->getKeyData();
+ EmitAlignment(isPPC64 ? 3 : 2);
+ printSuffixedName(p, "$non_lazy_ptr");
+ O << ":\n";
+ if (isPPC64)
+ O << "\t.quad\t";
+ else
+ O << "\t.long\t";
+ O << p << '\n';
+ }
+ }
+
+
// Emit initial debug information.
- DW.EndModule();
+ DW->EndModule();
// Funny Darwin hack: This flag tells the linker that no global symbols
// contain code that falls through to other global symbols (e.g. the obvious
projects / oota-llvm.git / blobdiff