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inline print*Stub and rearrange function stub printing to more closely match

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gv and hiddengv stub printing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74093 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-06-24 18:24:09 +00:00
parent 3a03f74349
commit 8f61f984b0
2 changed files with 31 additions and 41 deletions
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69
lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
View File

@ -1078,22 +1078,6 @@ void X86ATTAsmPrinter::printModuleLevelGV(const GlobalVariable* GVar) {
EmitGlobalConstant(C);
}
/// printGVStub - Print stub for a global value.
///
void X86ATTAsmPrinter::printGVStub(const char *GV) {
printSuffixedName(GV, "$non_lazy_ptr");
O << ":\n\t.indirect_symbol " << GV << "\n\t.long\t0\n";
}
/// printHiddenGVStub - Print stub for a hidden global value.
///
void X86ATTAsmPrinter::printHiddenGVStub(const char *GV) {
EmitAlignment(2);
printSuffixedName(GV, "$non_lazy_ptr");
O << ":\n" << TAI->getData32bitsDirective() << GV << '\n';
}
bool X86ATTAsmPrinter::doFinalization(Module &M) {
// Print out module-level global variables here.
for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
@ -1142,21 +1126,7 @@ bool X86ATTAsmPrinter::doFinalization(Module &M) {
if (Subtarget->isTargetDarwin()) {
SwitchToDataSection("");
// Output stubs for dynamically-linked functions
for (StringSet<>::iterator i = FnStubs.begin(), e = FnStubs.end();
i != e; ++i) {
SwitchToDataSection("\t.section __IMPORT,__jump_table,symbol_stubs,"
"self_modifying_code+pure_instructions,5", 0);
const char *p = i->getKeyData();
printSuffixedName(p, "$stub");
O << ":\n"
"\t.indirect_symbol " << p << "\n"
"\thlt ; hlt ; hlt ; hlt ; hlt\n";
}
O << '\n';
// Add the (possibly multiple) personalities to the set of global value
// stubs. Only referenced functions get into the Personalities list.
if (TAI->doesSupportExceptionHandling() && MMI && !Subtarget->is64Bit()) {
@ -1170,19 +1140,42 @@ bool X86ATTAsmPrinter::doFinalization(Module &M) {
}
}
// Output stubs for dynamically-linked functions
if (!FnStubs.empty()) {
for (StringSet<>::iterator I = FnStubs.begin(), E = FnStubs.end();
I != E; ++I) {
SwitchToDataSection("\t.section __IMPORT,__jump_table,symbol_stubs,"
"self_modifying_code+pure_instructions,5", 0);
const char *Name = I->getKeyData();
printSuffixedName(Name, "$stub");
O << ":\n"
"\t.indirect_symbol " << Name << "\n"
"\thlt ; hlt ; hlt ; hlt ; hlt\n";
}
O << '\n';
}
// Output stubs for external and common global variables.
if (!GVStubs.empty())
if (!GVStubs.empty()) {
SwitchToDataSection(
"\t.section __IMPORT,__pointers,non_lazy_symbol_pointers");
for (StringSet<>::iterator i = GVStubs.begin(), e = GVStubs.end();
i != e; ++i)
printGVStub(i->getKeyData());
for (StringSet<>::iterator I = GVStubs.begin(), E = GVStubs.end();
I != E; ++I) {
const char *Name = I->getKeyData();
printSuffixedName(Name, "$non_lazy_ptr");
O << ":\n\t.indirect_symbol " << Name << "\n\t.long\t0\n";
}
}
if (!HiddenGVStubs.empty()) {
SwitchToSection(TAI->getDataSection());
for (StringSet<>::iterator i = HiddenGVStubs.begin(), e = HiddenGVStubs.end();
i != e; ++i)
printHiddenGVStub(i->getKeyData());
for (StringSet<>::iterator I = HiddenGVStubs.begin(),
E = HiddenGVStubs.end(); I != E; ++I) {
EmitAlignment(2);
const char *Name = I->getKeyData();
printSuffixedName(Name, "$non_lazy_ptr");
O << ":\n" << TAI->getData32bitsDirective() << Name << '\n';
}
}
// Funny Darwin hack: This flag tells the linker that no global symbols

3
lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h
View File

@ -188,9 +188,6 @@ class VISIBILITY_HIDDEN X86ATTAsmPrinter : public AsmPrinter {
void printPICLabel(const MachineInstr *MI, unsigned Op);
void printModuleLevelGV(const GlobalVariable* GVar);
void printGVStub(const char *GV);
void printHiddenGVStub(const char *GV);
bool runOnMachineFunction(MachineFunction &F);
void emitFunctionHeader(const MachineFunction &MF);