[PATCH] D152587: [DWARF][M68k] Add new DW_CC for the new M68kRTD calling convention
Min-Yih Hsu via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Jun 9 14:48:39 PDT 2023
myhsu created this revision.
myhsu added reviewers: debug-info, aprantl, JDevlieghere.
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Add `DW_CC_LLVM_M68kRTD` to model the new `llvm::CallingConv::M68kRTD` (see D149864 <https://reviews.llvm.org/D149864>).
To my best understanding since DW_CC_LLVM_* are considered vendor extensions, we can just add it to LLVM without being ratified or even adding into GCC/GDB. Please let me know if I'm wrong.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D152587
Files:
llvm/include/llvm/BinaryFormat/Dwarf.def
llvm/lib/DebugInfo/DWARF/DWARFTypePrinter.cpp
Index: llvm/lib/DebugInfo/DWARF/DWARFTypePrinter.cpp
===================================================================
--- llvm/lib/DebugInfo/DWARF/DWARFTypePrinter.cpp
+++ llvm/lib/DebugInfo/DWARF/DWARFTypePrinter.cpp
@@ -620,6 +620,9 @@
case CallingConvention::DW_CC_LLVM_X86RegCall:
OS << " __attribute__((regcall))";
break;
+ case CallingConvention::DW_CC_LLVM_M68kRTD:
+ OS << " __attribute__((m68k_rtd))";
+ break;
}
}
Index: llvm/include/llvm/BinaryFormat/Dwarf.def
===================================================================
--- llvm/include/llvm/BinaryFormat/Dwarf.def
+++ llvm/include/llvm/BinaryFormat/Dwarf.def
@@ -1012,6 +1012,7 @@
HANDLE_DW_CC(0xc9, LLVM_PreserveMost)
HANDLE_DW_CC(0xca, LLVM_PreserveAll)
HANDLE_DW_CC(0xcb, LLVM_X86RegCall)
+HANDLE_DW_CC(0xcc, LLVM_M68kRTD)
// From GCC source code (include/dwarf2.h): This DW_CC_ value is not currently
// generated by any toolchain. It is used internally to GDB to indicate OpenCL
// C functions that have been compiled with the IBM XL C for OpenCL compiler and
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