index 82355063221a893741a35bf139d0fa0adde8b162..b1b1aad2f8c4a4b712b31ebb16e3447524b831d6 100644 (file)
#include <cctype>
using namespace llvm;
-/// EmitDwarfRegOp - Emit dwarf register operation.
-void ARMAsmPrinter::EmitDwarfRegOp(const MachineLocation &MLoc,
- bool Indirect) const {
- const TargetRegisterInfo *RI = TM.getRegisterInfo();
- if (RI->getDwarfRegNum(MLoc.getReg(), false) != -1) {
- AsmPrinter::EmitDwarfRegOp(MLoc, Indirect);
- return;
- }
- assert(MLoc.isReg() && !Indirect &&
- "This doesn't support offset/indirection - implement it if needed");
- unsigned Reg = MLoc.getReg();
- if (Reg >= ARM::S0 && Reg <= ARM::S31) {
- assert(ARM::S0 + 31 == ARM::S31 && "Unexpected ARM S register numbering");
- // S registers are described as bit-pieces of a register
- // S[2x] = DW_OP_regx(256 + (x>>1)) DW_OP_bit_piece(32, 0)
- // S[2x+1] = DW_OP_regx(256 + (x>>1)) DW_OP_bit_piece(32, 32)
-
- unsigned SReg = Reg - ARM::S0;
- bool odd = SReg & 0x1;
- unsigned Rx = 256 + (SReg >> 1);
-
- OutStreamer.AddComment("DW_OP_regx for S register");
- EmitInt8(dwarf::DW_OP_regx);
-
- OutStreamer.AddComment(Twine(SReg));
- EmitULEB128(Rx);
-
- if (odd) {
- OutStreamer.AddComment("DW_OP_bit_piece 32 32");
- EmitInt8(dwarf::DW_OP_bit_piece);
- EmitULEB128(32);
- EmitULEB128(32);
- } else {
- OutStreamer.AddComment("DW_OP_bit_piece 32 0");
- EmitInt8(dwarf::DW_OP_bit_piece);
- EmitULEB128(32);
- EmitULEB128(0);
- }
- } else if (Reg >= ARM::Q0 && Reg <= ARM::Q15) {
- assert(ARM::Q0 + 15 == ARM::Q15 && "Unexpected ARM Q register numbering");
- // Q registers Q0-Q15 are described by composing two D registers together.
- // Qx = DW_OP_regx(256+2x) DW_OP_piece(8) DW_OP_regx(256+2x+1)
- // DW_OP_piece(8)
-
- unsigned QReg = Reg - ARM::Q0;
- unsigned D1 = 256 + 2 * QReg;
- unsigned D2 = D1 + 1;
-
- OutStreamer.AddComment("DW_OP_regx for Q register: D1");
- EmitInt8(dwarf::DW_OP_regx);
- EmitULEB128(D1);
- OutStreamer.AddComment("DW_OP_piece 8");
- EmitInt8(dwarf::DW_OP_piece);
- EmitULEB128(8);
-
- OutStreamer.AddComment("DW_OP_regx for Q register: D2");
- EmitInt8(dwarf::DW_OP_regx);
- EmitULEB128(D2);
- OutStreamer.AddComment("DW_OP_piece 8");
- EmitInt8(dwarf::DW_OP_piece);
- EmitULEB128(8);
- }
-}
-
void ARMAsmPrinter::EmitFunctionBodyEnd() {
// Make sure to terminate any constant pools that were at the end
// of the function.
// Now any user defined text sections from function attributes.
for (Module::iterator F = M.begin(), e = M.end(); F != e; ++F)
if (!F->isDeclaration() && !F->hasAvailableExternallyLinkage())
- TextSections.insert(TLOFMacho.SectionForGlobal(F, Mang, TM));
+ TextSections.insert(TLOFMacho.SectionForGlobal(F, *Mang, TM));
// Now the coalescable sections.
TextSections.insert(TLOFMacho.getTextCoalSection());
TextSections.insert(TLOFMacho.getConstTextCoalSection());
}
}
-extern cl::opt<bool> DisableARMEHABI;
-
// Simple pseudo-instructions have their lowering (with expansion to real
// instructions) auto-generated.
#include "ARMGenMCPseudoLowering.inc"
}
// Emit unwinding stuff for frame-related instructions
- if (Subtarget->isTargetEHABICompatible() && !DisableARMEHABI &&
+ if (Subtarget->isTargetEHABICompatible() &&
MI->getFlag(MachineInstr::FrameSetup))
EmitUnwindingInstruction(MI);