From 75b01beb2f82f41a78ab0b356f6e3e98754ee1f5 Mon Sep 17 00:00:00 2001 From: Anton Korobeynikov Date: Tue, 17 Oct 2006 20:29:49 +0000 Subject: Adding linkonce linkage codegeneration support for mingw32\cygwin targets. llvm-svn: 31011 --- llvm/lib/Target/X86/X86ATTAsmPrinter.cpp | 14 +++++++++++++- llvm/lib/Target/X86/X86AsmPrinter.cpp | 13 +++++++++++++ 2 files changed, 26 insertions(+), 1 deletion(-) (limited to 'llvm') diff --git a/llvm/lib/Target/X86/X86ATTAsmPrinter.cpp b/llvm/lib/Target/X86/X86ATTAsmPrinter.cpp index eef95d935d1..bb6bb3dbc13 100755 --- a/llvm/lib/Target/X86/X86ATTAsmPrinter.cpp +++ b/llvm/lib/Target/X86/X86ATTAsmPrinter.cpp @@ -89,8 +89,20 @@ bool X86ATTAsmPrinter::runOnMachineFunction(MachineFunction &MF) { EmitAlignment(4, F); // FIXME: This should be parameterized somewhere. O << "\t.globl\t" << CurrentFnName << "\n"; break; - case Function::WeakLinkage: case Function::LinkOnceLinkage: + if (Subtarget->isTargetDarwin()) { + O << "\t.globl\t" << CurrentFnName << "\n"; + O << "\t.weak_definition\t" << CurrentFnName << "\n"; + } else if (Subtarget->isTargetCygwin()) { + EmitAlignment(4, F); // FIXME: This should be parameterized somewhere. + O << "\t.linkonce discard\n"; + O << "\t.globl " << CurrentFnName << "\n"; + } else { + EmitAlignment(4, F); // FIXME: This should be parameterized somewhere. + O << "\t.weak " << CurrentFnName << "\n"; + } + break; + case Function::WeakLinkage: if (Subtarget->isTargetDarwin()) { O << "\t.globl\t" << CurrentFnName << "\n"; O << "\t.weak_definition\t" << CurrentFnName << "\n"; diff --git a/llvm/lib/Target/X86/X86AsmPrinter.cpp b/llvm/lib/Target/X86/X86AsmPrinter.cpp index 829219dac5b..2a3a2aaed44 100644 --- a/llvm/lib/Target/X86/X86AsmPrinter.cpp +++ b/llvm/lib/Target/X86/X86AsmPrinter.cpp @@ -174,6 +174,19 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) { } else { switch (I->getLinkage()) { case GlobalValue::LinkOnceLinkage: + if (Subtarget->isTargetDarwin()) { + O << "\t.globl " << name << "\n" + << "\t.weak_definition " << name << "\n"; + SwitchToDataSection(".section __DATA,__const_coal,coalesced", I); + } else if (Subtarget->isTargetCygwin()) { + O << "\t.section\t.llvm.linkonce.d." << name << ",\"aw\"\n" + << "\t.globl " << name << "\n" + << "\t.linkonce same_size\n"; + } else { + O << "\t.section\t.llvm.linkonce.d." << name << ",\"aw\",@progbits\n" + << "\t.weak " << name << "\n"; + } + break; case GlobalValue::WeakLinkage: if (Subtarget->isTargetDarwin()) { O << "\t.globl " << name << "\n" -- cgit v1.2.3