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| author | Devang Patel <dpatel@apple.com> | 2011-04-26 00:12:46 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2011-04-26 00:12:46 +0000 |
| commit | 0c99861836741911300587c579d4f9d3fe1d2a39 (patch) | |
| tree | 7117357786298499eb2bde6c3761ff91ba5b85ee /lib/Target/ARM/ARMAsmPrinter.cpp | |
| parent | 9341d10f9443da6c6b0833f8a208afec69505f6e (diff) | |
| download | external_llvm-0c99861836741911300587c579d4f9d3fe1d2a39.zip external_llvm-0c99861836741911300587c579d4f9d3fe1d2a39.tar.gz external_llvm-0c99861836741911300587c579d4f9d3fe1d2a39.tar.bz2 | |
Let dwarf writer allocate extra space in the debug location expression. This space, if requested, will be used for complex addresses of the Blocks' variables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130178 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMAsmPrinter.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMAsmPrinter.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp index b8c117c..10cccda 100644 --- a/lib/Target/ARM/ARMAsmPrinter.cpp +++ b/lib/Target/ARM/ARMAsmPrinter.cpp @@ -173,10 +173,11 @@ getDebugValueLocation(const MachineInstr *MI) const { } /// EmitDwarfRegOp - Emit dwarf register operation. -void ARMAsmPrinter::EmitDwarfRegOp(const MachineLocation &MLoc) const { +void ARMAsmPrinter::EmitDwarfRegOp(const MachineLocation &MLoc, + unsigned ExtraExprSize) const { const TargetRegisterInfo *RI = TM.getRegisterInfo(); if (RI->getDwarfRegNum(MLoc.getReg(), false) != -1) - AsmPrinter::EmitDwarfRegOp(MLoc); + AsmPrinter::EmitDwarfRegOp(MLoc, ExtraExprSize); else { unsigned Reg = MLoc.getReg(); if (Reg >= ARM::S0 && Reg <= ARM::S31) { @@ -191,7 +192,7 @@ void ARMAsmPrinter::EmitDwarfRegOp(const MachineLocation &MLoc) const { OutStreamer.AddComment("Loc expr size"); // DW_OP_regx + ULEB + DW_OP_bit_piece + ULEB + ULEB // 1 + ULEB(Rx) + 1 + 1 + 1 - EmitInt16(4 + MCAsmInfo::getULEB128Size(Rx)); + EmitInt16(4 + MCAsmInfo::getULEB128Size(Rx) + ExtraExprSize); OutStreamer.AddComment("DW_OP_regx for S register"); EmitInt8(dwarf::DW_OP_regx); @@ -223,7 +224,8 @@ void ARMAsmPrinter::EmitDwarfRegOp(const MachineLocation &MLoc) const { // DW_OP_regx + ULEB + DW_OP_piece + ULEB(8) + // DW_OP_regx + ULEB + DW_OP_piece + ULEB(8); // 6 + ULEB(D1) + ULEB(D2) - EmitInt16(6 + MCAsmInfo::getULEB128Size(D1) + MCAsmInfo::getULEB128Size(D2)); + EmitInt16(6 + MCAsmInfo::getULEB128Size(D1) + + MCAsmInfo::getULEB128Size(D2) + ExtraExprSize); OutStreamer.AddComment("DW_OP_regx for Q register: D1"); EmitInt8(dwarf::DW_OP_regx); |