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Apply Aton's LLVM patch for PR973: Linux ctors / dtors support.

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llvm-svn: 31303
This commit is contained in:
Evan Cheng 2006-10-31 01:26:55 +00:00
parent fe7c10d900
commit a8168f310e
1 changed files with 22 additions and 4 deletions
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26
lib/Target/X86/X86AsmPrinter.cpp
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@ -145,10 +145,11 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) {
unsigned Align = TD->getPreferredAlignmentLog(I);
if (C->isNullValue() && /* FIXME: Verify correct */
!I->hasSection() &&
(I->hasInternalLinkage() || I->hasWeakLinkage() ||
I->hasLinkOnceLinkage() ||
(Subtarget->isTargetDarwin() &&
I->hasExternalLinkage() && !I->hasSection()))) {
I->hasExternalLinkage()))) {
if (Size == 0) Size = 1; // .comm Foo, 0 is undefined, avoid it.
if (I->hasExternalLinkage()) {
O << "\t.globl\t" << name << "\n";
@ -185,14 +186,14 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) {
} else if (Subtarget->isTargetCygwin()) {
std::string SectionName(".section\t.data$linkonce." +
name +
",\"aw\"\n");
",\"aw\"");
SwitchToDataSection(SectionName.c_str(), I);
O << "\t.globl " << name << "\n"
<< "\t.linkonce same_size\n";
} else {
std::string SectionName("\t.section\t.llvm.linkonce.d." +
name +
",\"aw\",@progbits\n");
",\"aw\",@progbits");
SwitchToDataSection(SectionName.c_str(), I);
O << "\t.weak " << name << "\n";
}
@ -215,7 +216,24 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) {
break;
}
}
SwitchToDataSection(TAI->getDataSection(), I);
// FIXME: special handling for ".ctors" & ".dtors" sections
if (I->hasSection() &&
(I->getSection() == ".ctors" ||
I->getSection() == ".dtors")) {
std::string SectionName = ".section " + I->getSection();
if (Subtarget->isTargetCygwin()) {
SectionName += ",\"aw\"";
} else {
assert(!Subtarget->isTargetDarwin());
SectionName += ",\"aw\",@progbits";
}
SwitchToDataSection(SectionName.c_str());
} else {
SwitchToDataSection(TAI->getDataSection(), I);
}
break;
}
default: