From 616585bbff926d806f154a0ae45f327c63abe54f Mon Sep 17 00:00:00 2001 From: Nicolas Geoffray Date: Fri, 21 Dec 2007 12:19:44 +0000 Subject: [PATCH] Enable EH for linux/ppc32 targets git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45281 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/PowerPC/PPCISelLowering.cpp | 20 ++++++++---------- lib/Target/PowerPC/PPCTargetAsmInfo.cpp | 28 +++++++++++++++++++++---- 2 files changed, 33 insertions(+), 15 deletions(-) diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp index 5dbe801591c..411899c45e0 100644 --- a/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/lib/Target/PowerPC/PPCISelLowering.cpp @@ -167,14 +167,12 @@ PPCTargetLowering::PPCTargetLowering(PPCTargetMachine &TM) // Support label based line numbers. setOperationAction(ISD::LOCATION, MVT::Other, Expand); setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand); - if (!TM.getSubtarget().isDarwin()) { - setOperationAction(ISD::LABEL, MVT::Other, Expand); - } else { - setOperationAction(ISD::EXCEPTIONADDR, MVT::i64, Expand); - setOperationAction(ISD::EHSELECTION, MVT::i64, Expand); - setOperationAction(ISD::EXCEPTIONADDR, MVT::i32, Expand); - setOperationAction(ISD::EHSELECTION, MVT::i32, Expand); - } + + setOperationAction(ISD::EXCEPTIONADDR, MVT::i64, Expand); + setOperationAction(ISD::EHSELECTION, MVT::i64, Expand); + setOperationAction(ISD::EXCEPTIONADDR, MVT::i32, Expand); + setOperationAction(ISD::EHSELECTION, MVT::i32, Expand); + // We want to legalize GlobalAddress and ConstantPool nodes into the // appropriate instructions to materialize the address. @@ -1771,9 +1769,9 @@ static SDOperand LowerCALL(SDOperand Op, SelectionDAG &DAG, // If the callee is a GlobalAddress/ExternalSymbol node (quite common, every // direct call is) turn it into a TargetGlobalAddress/TargetExternalSymbol // node so that legalize doesn't hack it. - if (GlobalAddressSDNode *G = dyn_cast(Callee)) - Callee = DAG.getTargetGlobalAddress(G->getGlobal(), Callee.getValueType()); - else if (ExternalSymbolSDNode *S = dyn_cast(Callee)) + //if (GlobalAddressSDNode *G = dyn_cast(Callee)) + // Callee = DAG.getTargetGlobalAddress(G->getGlobal(), Callee.getValueType()); + if (ExternalSymbolSDNode *S = dyn_cast(Callee)) Callee = DAG.getTargetExternalSymbol(S->getSymbol(), Callee.getValueType()); else if (SDNode *Dest = isBLACompatibleAddress(Callee, DAG)) // If this is an absolute destination address, use the munged value. diff --git a/lib/Target/PowerPC/PPCTargetAsmInfo.cpp b/lib/Target/PowerPC/PPCTargetAsmInfo.cpp index 4a374133c1a..f90c0f78ee9 100644 --- a/lib/Target/PowerPC/PPCTargetAsmInfo.cpp +++ b/lib/Target/PowerPC/PPCTargetAsmInfo.cpp @@ -28,10 +28,6 @@ PPCTargetAsmInfo::PPCTargetAsmInfo(const PPCTargetMachine &TM) { InlineAsmEnd = "# InlineAsm End"; AssemblerDialect = TM.getSubtargetImpl()->getAsmFlavor(); - NeedsSet = true; - DwarfEHFrameSection = - ".section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support"; - DwarfExceptionSection = ".section __DATA,__gcc_except_tab"; } DarwinTargetAsmInfo::DarwinTargetAsmInfo(const PPCTargetMachine &TM) @@ -60,7 +56,12 @@ DarwinTargetAsmInfo::DarwinTargetAsmInfo(const PPCTargetMachine &TM) HiddenDirective = "\t.private_extern\t"; SupportsExceptionHandling = true; NeedsIndirectEncoding = true; + NeedsSet = true; BSSSection = 0; + + DwarfEHFrameSection = + ".section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support"; + DwarfExceptionSection = ".section __DATA,__gcc_except_tab"; DwarfAbbrevSection = ".section __DWARF,__debug_abbrev,regular,debug"; DwarfInfoSection = ".section __DWARF,__debug_info,regular,debug"; @@ -98,6 +99,9 @@ LinuxTargetAsmInfo::LinuxTargetAsmInfo(const PPCTargetMachine &TM) WeakRefDirective = "\t.weak\t"; BSSSection = "\t.section\t\".sbss\",\"aw\",@nobits"; + // Debug Information + AbsoluteDebugSectionOffsets = true; + SupportsDebugInformation = true; DwarfAbbrevSection = "\t.section\t.debug_abbrev,\"\",@progbits"; DwarfInfoSection = "\t.section\t.debug_info,\"\",@progbits"; DwarfLineSection = "\t.section\t.debug_line,\"\",@progbits"; @@ -109,4 +113,20 @@ LinuxTargetAsmInfo::LinuxTargetAsmInfo(const PPCTargetMachine &TM) DwarfARangesSection = "\t.section\t.debug_aranges,\"\",@progbits"; DwarfRangesSection = "\t.section\t.debug_ranges,\"\",@progbits"; DwarfMacInfoSection = "\t.section\t.debug_macinfo,\"\",@progbits"; + + ReadOnlySection = "\t.section\t.rodata"; + FourByteConstantSection = "\t.section\t.rodata.cst4,\"aM\",@progbits,4"; + EightByteConstantSection = "\t.section\t.rodata.cst8,\"aM\",@progbits,8"; + SixteenByteConstantSection = "\t.section\t.rodata.cst16,\"aM\",@progbits,16"; + PCSymbol = "."; + + // Set up DWARF directives + HasLEB128 = true; // Target asm supports leb128 directives (little-endian) + + // Exceptions handling + if (!TM.getSubtargetImpl()->isPPC64()) + SupportsExceptionHandling = true; + AbsoluteEHSectionOffsets = false; + DwarfEHFrameSection = "\t.section\t.eh_frame,\"aw\",@progbits"; + DwarfExceptionSection = "\t.section\t.gcc_except_table,\"a\",@progbits"; }